Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
/* Plugin control for the GNU linker.
|
2017-01-02 04:36:43 +01:00
|
|
|
Copyright (C) 2010-2017 Free Software Foundation, Inc.
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
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This file is part of the GNU Binutils.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#include "sysdep.h"
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#include "libiberty.h"
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#include "bfd.h"
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#include "bfdlink.h"
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#include "bfdver.h"
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#include "ld.h"
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#include "ldmain.h"
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#include "ldmisc.h"
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#include "ldexp.h"
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#include "ldlang.h"
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#include "ldfile.h"
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2016-07-16 06:02:16 +02:00
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#include "plugin-api.h"
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2015-02-11 14:01:03 +01:00
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#include "../bfd/plugin.h"
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Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
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#include "plugin.h"
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#include "elf-bfd.h"
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2015-02-06 18:05:35 +01:00
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#if HAVE_MMAP
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# include <sys/mman.h>
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# ifndef MAP_FAILED
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# define MAP_FAILED ((void *) -1)
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# endif
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# ifndef PROT_READ
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# define PROT_READ 0
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# endif
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# ifndef MAP_PRIVATE
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# define MAP_PRIVATE 0
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# endif
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#endif
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2015-02-05 14:00:52 +01:00
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#include <errno.h>
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#if !(defined(errno) || defined(_MSC_VER) && defined(_INC_ERRNO))
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extern int errno;
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#endif
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2010-10-15 18:21:41 +02:00
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#if !defined (HAVE_DLFCN_H) && defined (HAVE_WINDOWS_H)
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2011-03-28 12:27:07 +02:00
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#include <windows.h>
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2010-10-15 18:21:41 +02:00
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#endif
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
|
2011-03-05 00:44:01 +01:00
|
|
|
/* Report plugin symbols. */
|
|
|
|
bfd_boolean report_plugin_symbols;
|
|
|
|
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
/* The suffix to append to the name of the real (claimed) object file
|
|
|
|
when generating a dummy BFD to hold the IR symbols sent from the
|
2011-03-10 11:22:24 +01:00
|
|
|
plugin. For cosmetic use only; appears in maps, crefs etc. */
|
|
|
|
#define IRONLY_SUFFIX " (symbol from plugin)"
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
|
|
|
|
/* Stores a single argument passed to a plugin. */
|
|
|
|
typedef struct plugin_arg
|
|
|
|
{
|
|
|
|
struct plugin_arg *next;
|
|
|
|
const char *arg;
|
|
|
|
} plugin_arg_t;
|
|
|
|
|
|
|
|
/* Holds all details of a single plugin. */
|
|
|
|
typedef struct plugin
|
|
|
|
{
|
|
|
|
/* Next on the list of plugins, or NULL at end of chain. */
|
|
|
|
struct plugin *next;
|
|
|
|
/* The argument string given to --plugin. */
|
|
|
|
const char *name;
|
|
|
|
/* The shared library handle returned by dlopen. */
|
|
|
|
void *dlhandle;
|
|
|
|
/* The list of argument string given to --plugin-opt. */
|
|
|
|
plugin_arg_t *args;
|
|
|
|
/* Number of args in the list, for convenience. */
|
|
|
|
size_t n_args;
|
|
|
|
/* The plugin's event handlers. */
|
|
|
|
ld_plugin_claim_file_handler claim_file_handler;
|
|
|
|
ld_plugin_all_symbols_read_handler all_symbols_read_handler;
|
|
|
|
ld_plugin_cleanup_handler cleanup_handler;
|
|
|
|
/* TRUE if the cleanup handlers have been called. */
|
|
|
|
bfd_boolean cleanup_done;
|
|
|
|
} plugin_t;
|
|
|
|
|
2015-02-06 18:05:35 +01:00
|
|
|
typedef struct view_buffer
|
|
|
|
{
|
|
|
|
char *addr;
|
|
|
|
size_t filesize;
|
|
|
|
off_t offset;
|
|
|
|
} view_buffer_t;
|
|
|
|
|
2015-02-05 14:00:52 +01:00
|
|
|
/* The internal version of struct ld_plugin_input_file with a BFD
|
|
|
|
pointer. */
|
|
|
|
typedef struct plugin_input_file
|
|
|
|
{
|
|
|
|
bfd *abfd;
|
2015-02-06 18:05:35 +01:00
|
|
|
view_buffer_t view_buffer;
|
2015-02-05 14:00:52 +01:00
|
|
|
char *name;
|
|
|
|
int fd;
|
2015-02-11 02:01:17 +01:00
|
|
|
bfd_boolean use_mmap;
|
2015-02-05 14:00:52 +01:00
|
|
|
off_t offset;
|
|
|
|
off_t filesize;
|
|
|
|
} plugin_input_file_t;
|
|
|
|
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
/* The master list of all plugins. */
|
|
|
|
static plugin_t *plugins_list = NULL;
|
|
|
|
|
|
|
|
/* We keep a tail pointer for easy linking on the end. */
|
|
|
|
static plugin_t **plugins_tail_chain_ptr = &plugins_list;
|
|
|
|
|
|
|
|
/* The last plugin added to the list, for receiving args. */
|
|
|
|
static plugin_t *last_plugin = NULL;
|
|
|
|
|
|
|
|
/* The tail of the arg chain of the last plugin added to the list. */
|
|
|
|
static plugin_arg_t **last_plugin_args_tail_chain_ptr = NULL;
|
|
|
|
|
|
|
|
/* The plugin which is currently having a callback executed. */
|
|
|
|
static plugin_t *called_plugin = NULL;
|
|
|
|
|
|
|
|
/* Last plugin to cause an error, if any. */
|
|
|
|
static const char *error_plugin = NULL;
|
|
|
|
|
2011-04-20 02:11:33 +02:00
|
|
|
/* State of linker "notice" interface before we poked at it. */
|
PR ld/12365
PR ld/12672
bfd/
* bfd.c (BFD_PLUGIN): Define.
(BFD_FLAGS_SAVED, BFD_FLAGS_FOR_BFD_USE_MASK): Add BFD_PLUGIN.
* bfd-in2.h: Regenerate.
* elflink.c (elf_link_output_extsym): Strip undefined plugin syms.
* opncls.c (bfd_make_readable): Don't lose original bfd flags.
ld/
* ldfile.c (ldfile_try_open_bfd): Don't attempt any plugin action
when no_more_claiming.
* ldmain.c (add_archive_element): Likewise.
(multiple_definition): Remove plugin_multiple_definition call.
(notice): Remove plugin_notice call.
* ldlang.c (lang_list_insert_after, void lang_list_remove_tail): Move.
Delete prototype.
(plugin_insert): New static var.
(open_input_bfds): Only rescan libs after plugin insert point.
(lang_gc_sections): Omit plugin claimed files.
(lang_process): Set plugin_insert. Only rescan when plugin adds
objects.
* plugin.h (no_more_claiming): Declare.
(plugin_notice, plugin_multiple_definition): Don't declare.
* plugin.c: Formatting.
(orig_notice_all, orig_allow_multiple_defs, orig_callbacks,
plugin_callbacks): New static vars.
(no_more_claiming): Make global.
(plugin_cached_allow_multiple_defs): Delete.
(plugin_get_ir_dummy_bfd): Set SEC_EXCLUDE on dummy .text section,
use newer bfd_make_section variant. Make COMMON section too.
Error handling. Correct setting of gp size.
(asymbol_from_plugin_symbol): Properly cast last arg of concat.
(message): Likewise for ACONCAT.
(asymbol_from_plugin_symbol): Use our COMMON section.
(get_symbols): When report_plugin_symbols, show visibility too.
(init_non_ironly_hash): Move. Don't test non_ironly_hash.
(plugin_load_plugins): Save state of linker callbacks, set up to
call plugin_notice instead. Call init_non_ironly_hash here.
(plugin_call_all_symbols_read): Set plugin_multiple_definition in
plugin callbacks.
(plugin_notice): Rewrite.
(plugin_multiple_definition): Make static, call original callback.
ld/testsuite/
* ld-plugin/plugin-7.d: Adjust for plugin changes.
* ld-plugin/plugin-8.d: Likewise.
* ld-plugin/plugin.exp: Pass --verbose=2 for visibility test, and
compare ld output to..
* ld-plugin/plugin-12.d: New.
2011-04-18 01:15:13 +02:00
|
|
|
static bfd_boolean orig_notice_all;
|
|
|
|
|
|
|
|
/* Original linker callbacks, and the plugin version. */
|
|
|
|
static const struct bfd_link_callbacks *orig_callbacks;
|
|
|
|
static struct bfd_link_callbacks plugin_callbacks;
|
|
|
|
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
/* Set at all symbols read time, to avoid recursively offering the plugin
|
|
|
|
its own newly-added input files and libs to claim. */
|
PR ld/12365
PR ld/12672
bfd/
* bfd.c (BFD_PLUGIN): Define.
(BFD_FLAGS_SAVED, BFD_FLAGS_FOR_BFD_USE_MASK): Add BFD_PLUGIN.
* bfd-in2.h: Regenerate.
* elflink.c (elf_link_output_extsym): Strip undefined plugin syms.
* opncls.c (bfd_make_readable): Don't lose original bfd flags.
ld/
* ldfile.c (ldfile_try_open_bfd): Don't attempt any plugin action
when no_more_claiming.
* ldmain.c (add_archive_element): Likewise.
(multiple_definition): Remove plugin_multiple_definition call.
(notice): Remove plugin_notice call.
* ldlang.c (lang_list_insert_after, void lang_list_remove_tail): Move.
Delete prototype.
(plugin_insert): New static var.
(open_input_bfds): Only rescan libs after plugin insert point.
(lang_gc_sections): Omit plugin claimed files.
(lang_process): Set plugin_insert. Only rescan when plugin adds
objects.
* plugin.h (no_more_claiming): Declare.
(plugin_notice, plugin_multiple_definition): Don't declare.
* plugin.c: Formatting.
(orig_notice_all, orig_allow_multiple_defs, orig_callbacks,
plugin_callbacks): New static vars.
(no_more_claiming): Make global.
(plugin_cached_allow_multiple_defs): Delete.
(plugin_get_ir_dummy_bfd): Set SEC_EXCLUDE on dummy .text section,
use newer bfd_make_section variant. Make COMMON section too.
Error handling. Correct setting of gp size.
(asymbol_from_plugin_symbol): Properly cast last arg of concat.
(message): Likewise for ACONCAT.
(asymbol_from_plugin_symbol): Use our COMMON section.
(get_symbols): When report_plugin_symbols, show visibility too.
(init_non_ironly_hash): Move. Don't test non_ironly_hash.
(plugin_load_plugins): Save state of linker callbacks, set up to
call plugin_notice instead. Call init_non_ironly_hash here.
(plugin_call_all_symbols_read): Set plugin_multiple_definition in
plugin callbacks.
(plugin_notice): Rewrite.
(plugin_multiple_definition): Make static, call original callback.
ld/testsuite/
* ld-plugin/plugin-7.d: Adjust for plugin changes.
* ld-plugin/plugin-8.d: Likewise.
* ld-plugin/plugin.exp: Pass --verbose=2 for visibility test, and
compare ld output to..
* ld-plugin/plugin-12.d: New.
2011-04-18 01:15:13 +02:00
|
|
|
bfd_boolean no_more_claiming = FALSE;
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
|
2015-02-11 02:01:17 +01:00
|
|
|
#if HAVE_MMAP && HAVE_GETPAGESIZE
|
|
|
|
/* Page size used by mmap. */
|
|
|
|
static off_t plugin_pagesize;
|
|
|
|
#endif
|
|
|
|
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
/* List of tags to set in the constant leading part of the tv array. */
|
|
|
|
static const enum ld_plugin_tag tv_header_tags[] =
|
|
|
|
{
|
|
|
|
LDPT_MESSAGE,
|
|
|
|
LDPT_API_VERSION,
|
|
|
|
LDPT_GNU_LD_VERSION,
|
|
|
|
LDPT_LINKER_OUTPUT,
|
|
|
|
LDPT_OUTPUT_NAME,
|
|
|
|
LDPT_REGISTER_CLAIM_FILE_HOOK,
|
|
|
|
LDPT_REGISTER_ALL_SYMBOLS_READ_HOOK,
|
|
|
|
LDPT_REGISTER_CLEANUP_HOOK,
|
|
|
|
LDPT_ADD_SYMBOLS,
|
|
|
|
LDPT_GET_INPUT_FILE,
|
2015-01-28 19:27:31 +01:00
|
|
|
LDPT_GET_VIEW,
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
LDPT_RELEASE_INPUT_FILE,
|
|
|
|
LDPT_GET_SYMBOLS,
|
PR ld/13329
ld/
* plugin.c (tv_header_tags): Add LDPT_GET_SYMBOLS_V2.
(set_tv_header): Handle it. Adjust LDPT_GET_SYMBOLS. Return void.
(get_symbols): Add def_ironly_exp param. Return that value for
syms exported from shared libs.
(get_symbols_v1, get_symbols_v2): New wrapper functions.
* testplug.c: Update for above changes.
ld/testsuite/
* ld-plugin/plugin-1.d, * ld-plugin/plugin-2.d, * ld-plugin/plugin-3.d,
* ld-plugin/plugin-4.d, * ld-plugin/plugin-5.d, * ld-plugin/plugin-6.d,
* ld-plugin/plugin-7.d, * ld-plugin/plugin-8.d, * ld-plugin/plugin-9.d,
* ld-plugin/plugin-10.d, * ld-plugin/plugin-11.d: Update.
2011-10-06 12:07:17 +02:00
|
|
|
LDPT_GET_SYMBOLS_V2,
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
LDPT_ADD_INPUT_FILE,
|
|
|
|
LDPT_ADD_INPUT_LIBRARY,
|
|
|
|
LDPT_SET_EXTRA_LIBRARY_PATH
|
|
|
|
};
|
|
|
|
|
|
|
|
/* How many entries in the constant leading part of the tv array. */
|
|
|
|
static const size_t tv_header_size = ARRAY_SIZE (tv_header_tags);
|
|
|
|
|
PR ld/12365
PR ld/12672
bfd/
* bfd.c (BFD_PLUGIN): Define.
(BFD_FLAGS_SAVED, BFD_FLAGS_FOR_BFD_USE_MASK): Add BFD_PLUGIN.
* bfd-in2.h: Regenerate.
* elflink.c (elf_link_output_extsym): Strip undefined plugin syms.
* opncls.c (bfd_make_readable): Don't lose original bfd flags.
ld/
* ldfile.c (ldfile_try_open_bfd): Don't attempt any plugin action
when no_more_claiming.
* ldmain.c (add_archive_element): Likewise.
(multiple_definition): Remove plugin_multiple_definition call.
(notice): Remove plugin_notice call.
* ldlang.c (lang_list_insert_after, void lang_list_remove_tail): Move.
Delete prototype.
(plugin_insert): New static var.
(open_input_bfds): Only rescan libs after plugin insert point.
(lang_gc_sections): Omit plugin claimed files.
(lang_process): Set plugin_insert. Only rescan when plugin adds
objects.
* plugin.h (no_more_claiming): Declare.
(plugin_notice, plugin_multiple_definition): Don't declare.
* plugin.c: Formatting.
(orig_notice_all, orig_allow_multiple_defs, orig_callbacks,
plugin_callbacks): New static vars.
(no_more_claiming): Make global.
(plugin_cached_allow_multiple_defs): Delete.
(plugin_get_ir_dummy_bfd): Set SEC_EXCLUDE on dummy .text section,
use newer bfd_make_section variant. Make COMMON section too.
Error handling. Correct setting of gp size.
(asymbol_from_plugin_symbol): Properly cast last arg of concat.
(message): Likewise for ACONCAT.
(asymbol_from_plugin_symbol): Use our COMMON section.
(get_symbols): When report_plugin_symbols, show visibility too.
(init_non_ironly_hash): Move. Don't test non_ironly_hash.
(plugin_load_plugins): Save state of linker callbacks, set up to
call plugin_notice instead. Call init_non_ironly_hash here.
(plugin_call_all_symbols_read): Set plugin_multiple_definition in
plugin callbacks.
(plugin_notice): Rewrite.
(plugin_multiple_definition): Make static, call original callback.
ld/testsuite/
* ld-plugin/plugin-7.d: Adjust for plugin changes.
* ld-plugin/plugin-8.d: Likewise.
* ld-plugin/plugin.exp: Pass --verbose=2 for visibility test, and
compare ld output to..
* ld-plugin/plugin-12.d: New.
2011-04-18 01:15:13 +02:00
|
|
|
/* Forward references. */
|
2011-05-17 15:02:18 +02:00
|
|
|
static bfd_boolean plugin_notice (struct bfd_link_info *,
|
2014-08-12 03:13:33 +02:00
|
|
|
struct bfd_link_hash_entry *,
|
|
|
|
struct bfd_link_hash_entry *,
|
|
|
|
bfd *, asection *, bfd_vma, flagword);
|
PR ld/12365
PR ld/12672
bfd/
* bfd.c (BFD_PLUGIN): Define.
(BFD_FLAGS_SAVED, BFD_FLAGS_FOR_BFD_USE_MASK): Add BFD_PLUGIN.
* bfd-in2.h: Regenerate.
* elflink.c (elf_link_output_extsym): Strip undefined plugin syms.
* opncls.c (bfd_make_readable): Don't lose original bfd flags.
ld/
* ldfile.c (ldfile_try_open_bfd): Don't attempt any plugin action
when no_more_claiming.
* ldmain.c (add_archive_element): Likewise.
(multiple_definition): Remove plugin_multiple_definition call.
(notice): Remove plugin_notice call.
* ldlang.c (lang_list_insert_after, void lang_list_remove_tail): Move.
Delete prototype.
(plugin_insert): New static var.
(open_input_bfds): Only rescan libs after plugin insert point.
(lang_gc_sections): Omit plugin claimed files.
(lang_process): Set plugin_insert. Only rescan when plugin adds
objects.
* plugin.h (no_more_claiming): Declare.
(plugin_notice, plugin_multiple_definition): Don't declare.
* plugin.c: Formatting.
(orig_notice_all, orig_allow_multiple_defs, orig_callbacks,
plugin_callbacks): New static vars.
(no_more_claiming): Make global.
(plugin_cached_allow_multiple_defs): Delete.
(plugin_get_ir_dummy_bfd): Set SEC_EXCLUDE on dummy .text section,
use newer bfd_make_section variant. Make COMMON section too.
Error handling. Correct setting of gp size.
(asymbol_from_plugin_symbol): Properly cast last arg of concat.
(message): Likewise for ACONCAT.
(asymbol_from_plugin_symbol): Use our COMMON section.
(get_symbols): When report_plugin_symbols, show visibility too.
(init_non_ironly_hash): Move. Don't test non_ironly_hash.
(plugin_load_plugins): Save state of linker callbacks, set up to
call plugin_notice instead. Call init_non_ironly_hash here.
(plugin_call_all_symbols_read): Set plugin_multiple_definition in
plugin callbacks.
(plugin_notice): Rewrite.
(plugin_multiple_definition): Make static, call original callback.
ld/testsuite/
* ld-plugin/plugin-7.d: Adjust for plugin changes.
* ld-plugin/plugin-8.d: Likewise.
* ld-plugin/plugin.exp: Pass --verbose=2 for visibility test, and
compare ld output to..
* ld-plugin/plugin-12.d: New.
2011-04-18 01:15:13 +02:00
|
|
|
|
2015-02-11 14:01:03 +01:00
|
|
|
static const bfd_target * plugin_object_p (bfd *);
|
|
|
|
|
2010-10-15 18:21:41 +02:00
|
|
|
#if !defined (HAVE_DLFCN_H) && defined (HAVE_WINDOWS_H)
|
|
|
|
|
|
|
|
#define RTLD_NOW 0 /* Dummy value. */
|
|
|
|
|
|
|
|
static void *
|
|
|
|
dlopen (const char *file, int mode ATTRIBUTE_UNUSED)
|
|
|
|
{
|
|
|
|
return LoadLibrary (file);
|
|
|
|
}
|
|
|
|
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|
|
|
static void *
|
|
|
|
dlsym (void *handle, const char *name)
|
|
|
|
{
|
|
|
|
return GetProcAddress (handle, name);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
|
|
|
dlclose (void *handle)
|
|
|
|
{
|
|
|
|
FreeLibrary (handle);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
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|
|
#endif /* !defined (HAVE_DLFCN_H) && defined (HAVE_WINDOWS_H) */
|
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2012-12-03 15:34:06 +01:00
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#ifndef HAVE_DLFCN_H
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static const char *
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dlerror (void)
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{
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return "";
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}
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#endif
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Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
/* Helper function for exiting with error status. */
|
|
|
|
static int
|
|
|
|
set_plugin_error (const char *plugin)
|
|
|
|
{
|
|
|
|
error_plugin = plugin;
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Test if an error occurred. */
|
|
|
|
static bfd_boolean
|
|
|
|
plugin_error_p (void)
|
|
|
|
{
|
|
|
|
return error_plugin != NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Return name of plugin which caused an error if any. */
|
2010-11-05 08:20:07 +01:00
|
|
|
const char *
|
|
|
|
plugin_error_plugin (void)
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
{
|
|
|
|
return error_plugin ? error_plugin : _("<no plugin>");
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Handle -plugin arg: find and load plugin, or return error. */
|
2012-12-03 15:34:06 +01:00
|
|
|
void
|
2010-11-05 08:20:07 +01:00
|
|
|
plugin_opt_plugin (const char *plugin)
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
{
|
|
|
|
plugin_t *newplug;
|
2016-07-04 17:55:04 +02:00
|
|
|
plugin_t *curplug = plugins_list;
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
|
|
|
|
newplug = xmalloc (sizeof *newplug);
|
|
|
|
memset (newplug, 0, sizeof *newplug);
|
|
|
|
newplug->name = plugin;
|
|
|
|
newplug->dlhandle = dlopen (plugin, RTLD_NOW);
|
|
|
|
if (!newplug->dlhandle)
|
2012-12-03 15:34:06 +01:00
|
|
|
einfo (_("%P%F: %s: error loading plugin: %s\n"), plugin, dlerror ());
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
|
2016-07-04 17:55:04 +02:00
|
|
|
/* Check if plugin has been loaded already. */
|
|
|
|
while (curplug)
|
|
|
|
{
|
|
|
|
if (newplug->dlhandle == curplug->dlhandle)
|
|
|
|
{
|
|
|
|
einfo (_("%P: %s: duplicated plugin\n"), plugin);
|
|
|
|
free (newplug);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
curplug = curplug->next;
|
|
|
|
}
|
|
|
|
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
/* Chain on end, so when we run list it is in command-line order. */
|
|
|
|
*plugins_tail_chain_ptr = newplug;
|
|
|
|
plugins_tail_chain_ptr = &newplug->next;
|
|
|
|
|
|
|
|
/* Record it as current plugin for receiving args. */
|
|
|
|
last_plugin = newplug;
|
|
|
|
last_plugin_args_tail_chain_ptr = &newplug->args;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Accumulate option arguments for last-loaded plugin, or return
|
|
|
|
error if none. */
|
2010-11-05 08:20:07 +01:00
|
|
|
int
|
|
|
|
plugin_opt_plugin_arg (const char *arg)
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
{
|
|
|
|
plugin_arg_t *newarg;
|
|
|
|
|
|
|
|
if (!last_plugin)
|
|
|
|
return set_plugin_error (_("<no plugin>"));
|
|
|
|
|
2014-08-06 05:59:38 +02:00
|
|
|
/* Ignore -pass-through= from GCC driver. */
|
|
|
|
if (*arg == '-')
|
|
|
|
{
|
|
|
|
const char *p = arg + 1;
|
|
|
|
|
|
|
|
if (*p == '-')
|
|
|
|
++p;
|
|
|
|
if (strncmp (p, "pass-through=", 13) == 0)
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
newarg = xmalloc (sizeof *newarg);
|
|
|
|
newarg->arg = arg;
|
|
|
|
newarg->next = NULL;
|
|
|
|
|
|
|
|
/* Chain on end to preserve command-line order. */
|
|
|
|
*last_plugin_args_tail_chain_ptr = newarg;
|
|
|
|
last_plugin_args_tail_chain_ptr = &newarg->next;
|
|
|
|
last_plugin->n_args++;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2015-01-28 21:56:18 +01:00
|
|
|
/* Generate a dummy BFD to represent an IR file, for any callers of
|
|
|
|
plugin_call_claim_file to use as the handle in the ld_plugin_input_file
|
|
|
|
struct that they build to pass in. The BFD is initially writable, so
|
|
|
|
that symbols can be added to it; it must be made readable after the
|
|
|
|
add_symbols hook has been called so that it can be read when linking. */
|
|
|
|
static bfd *
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
plugin_get_ir_dummy_bfd (const char *name, bfd *srctemplate)
|
|
|
|
{
|
2010-10-25 08:22:50 +02:00
|
|
|
bfd *abfd;
|
2015-12-10 17:11:07 +01:00
|
|
|
bfd_boolean bfd_plugin_target;
|
2010-10-25 08:22:50 +02:00
|
|
|
|
|
|
|
bfd_use_reserved_id = 1;
|
2015-12-10 17:11:07 +01:00
|
|
|
bfd_plugin_target = bfd_plugin_target_p (srctemplate->xvec);
|
PR ld/12365
PR ld/12672
bfd/
* bfd.c (BFD_PLUGIN): Define.
(BFD_FLAGS_SAVED, BFD_FLAGS_FOR_BFD_USE_MASK): Add BFD_PLUGIN.
* bfd-in2.h: Regenerate.
* elflink.c (elf_link_output_extsym): Strip undefined plugin syms.
* opncls.c (bfd_make_readable): Don't lose original bfd flags.
ld/
* ldfile.c (ldfile_try_open_bfd): Don't attempt any plugin action
when no_more_claiming.
* ldmain.c (add_archive_element): Likewise.
(multiple_definition): Remove plugin_multiple_definition call.
(notice): Remove plugin_notice call.
* ldlang.c (lang_list_insert_after, void lang_list_remove_tail): Move.
Delete prototype.
(plugin_insert): New static var.
(open_input_bfds): Only rescan libs after plugin insert point.
(lang_gc_sections): Omit plugin claimed files.
(lang_process): Set plugin_insert. Only rescan when plugin adds
objects.
* plugin.h (no_more_claiming): Declare.
(plugin_notice, plugin_multiple_definition): Don't declare.
* plugin.c: Formatting.
(orig_notice_all, orig_allow_multiple_defs, orig_callbacks,
plugin_callbacks): New static vars.
(no_more_claiming): Make global.
(plugin_cached_allow_multiple_defs): Delete.
(plugin_get_ir_dummy_bfd): Set SEC_EXCLUDE on dummy .text section,
use newer bfd_make_section variant. Make COMMON section too.
Error handling. Correct setting of gp size.
(asymbol_from_plugin_symbol): Properly cast last arg of concat.
(message): Likewise for ACONCAT.
(asymbol_from_plugin_symbol): Use our COMMON section.
(get_symbols): When report_plugin_symbols, show visibility too.
(init_non_ironly_hash): Move. Don't test non_ironly_hash.
(plugin_load_plugins): Save state of linker callbacks, set up to
call plugin_notice instead. Call init_non_ironly_hash here.
(plugin_call_all_symbols_read): Set plugin_multiple_definition in
plugin callbacks.
(plugin_notice): Rewrite.
(plugin_multiple_definition): Make static, call original callback.
ld/testsuite/
* ld-plugin/plugin-7.d: Adjust for plugin changes.
* ld-plugin/plugin-8.d: Likewise.
* ld-plugin/plugin.exp: Pass --verbose=2 for visibility test, and
compare ld output to..
* ld-plugin/plugin-12.d: New.
2011-04-18 01:15:13 +02:00
|
|
|
abfd = bfd_create (concat (name, IRONLY_SUFFIX, (const char *) NULL),
|
2015-12-10 17:11:07 +01:00
|
|
|
bfd_plugin_target ? link_info.output_bfd : srctemplate);
|
PR ld/12365
PR ld/12672
bfd/
* bfd.c (BFD_PLUGIN): Define.
(BFD_FLAGS_SAVED, BFD_FLAGS_FOR_BFD_USE_MASK): Add BFD_PLUGIN.
* bfd-in2.h: Regenerate.
* elflink.c (elf_link_output_extsym): Strip undefined plugin syms.
* opncls.c (bfd_make_readable): Don't lose original bfd flags.
ld/
* ldfile.c (ldfile_try_open_bfd): Don't attempt any plugin action
when no_more_claiming.
* ldmain.c (add_archive_element): Likewise.
(multiple_definition): Remove plugin_multiple_definition call.
(notice): Remove plugin_notice call.
* ldlang.c (lang_list_insert_after, void lang_list_remove_tail): Move.
Delete prototype.
(plugin_insert): New static var.
(open_input_bfds): Only rescan libs after plugin insert point.
(lang_gc_sections): Omit plugin claimed files.
(lang_process): Set plugin_insert. Only rescan when plugin adds
objects.
* plugin.h (no_more_claiming): Declare.
(plugin_notice, plugin_multiple_definition): Don't declare.
* plugin.c: Formatting.
(orig_notice_all, orig_allow_multiple_defs, orig_callbacks,
plugin_callbacks): New static vars.
(no_more_claiming): Make global.
(plugin_cached_allow_multiple_defs): Delete.
(plugin_get_ir_dummy_bfd): Set SEC_EXCLUDE on dummy .text section,
use newer bfd_make_section variant. Make COMMON section too.
Error handling. Correct setting of gp size.
(asymbol_from_plugin_symbol): Properly cast last arg of concat.
(message): Likewise for ACONCAT.
(asymbol_from_plugin_symbol): Use our COMMON section.
(get_symbols): When report_plugin_symbols, show visibility too.
(init_non_ironly_hash): Move. Don't test non_ironly_hash.
(plugin_load_plugins): Save state of linker callbacks, set up to
call plugin_notice instead. Call init_non_ironly_hash here.
(plugin_call_all_symbols_read): Set plugin_multiple_definition in
plugin callbacks.
(plugin_notice): Rewrite.
(plugin_multiple_definition): Make static, call original callback.
ld/testsuite/
* ld-plugin/plugin-7.d: Adjust for plugin changes.
* ld-plugin/plugin-8.d: Likewise.
* ld-plugin/plugin.exp: Pass --verbose=2 for visibility test, and
compare ld output to..
* ld-plugin/plugin-12.d: New.
2011-04-18 01:15:13 +02:00
|
|
|
if (abfd != NULL)
|
|
|
|
{
|
|
|
|
abfd->flags |= BFD_LINKER_CREATED | BFD_PLUGIN;
|
2015-02-11 14:01:03 +01:00
|
|
|
if (!bfd_make_writable (abfd))
|
|
|
|
goto report_error;
|
2015-12-10 17:11:07 +01:00
|
|
|
if (!bfd_plugin_target)
|
2015-02-11 14:01:03 +01:00
|
|
|
{
|
|
|
|
bfd_set_arch_info (abfd, bfd_get_arch_info (srctemplate));
|
|
|
|
bfd_set_gp_size (abfd, bfd_get_gp_size (srctemplate));
|
|
|
|
if (!bfd_copy_private_bfd_data (srctemplate, abfd))
|
|
|
|
goto report_error;
|
|
|
|
}
|
PR ld/12365
PR ld/12672
bfd/
* bfd.c (BFD_PLUGIN): Define.
(BFD_FLAGS_SAVED, BFD_FLAGS_FOR_BFD_USE_MASK): Add BFD_PLUGIN.
* bfd-in2.h: Regenerate.
* elflink.c (elf_link_output_extsym): Strip undefined plugin syms.
* opncls.c (bfd_make_readable): Don't lose original bfd flags.
ld/
* ldfile.c (ldfile_try_open_bfd): Don't attempt any plugin action
when no_more_claiming.
* ldmain.c (add_archive_element): Likewise.
(multiple_definition): Remove plugin_multiple_definition call.
(notice): Remove plugin_notice call.
* ldlang.c (lang_list_insert_after, void lang_list_remove_tail): Move.
Delete prototype.
(plugin_insert): New static var.
(open_input_bfds): Only rescan libs after plugin insert point.
(lang_gc_sections): Omit plugin claimed files.
(lang_process): Set plugin_insert. Only rescan when plugin adds
objects.
* plugin.h (no_more_claiming): Declare.
(plugin_notice, plugin_multiple_definition): Don't declare.
* plugin.c: Formatting.
(orig_notice_all, orig_allow_multiple_defs, orig_callbacks,
plugin_callbacks): New static vars.
(no_more_claiming): Make global.
(plugin_cached_allow_multiple_defs): Delete.
(plugin_get_ir_dummy_bfd): Set SEC_EXCLUDE on dummy .text section,
use newer bfd_make_section variant. Make COMMON section too.
Error handling. Correct setting of gp size.
(asymbol_from_plugin_symbol): Properly cast last arg of concat.
(message): Likewise for ACONCAT.
(asymbol_from_plugin_symbol): Use our COMMON section.
(get_symbols): When report_plugin_symbols, show visibility too.
(init_non_ironly_hash): Move. Don't test non_ironly_hash.
(plugin_load_plugins): Save state of linker callbacks, set up to
call plugin_notice instead. Call init_non_ironly_hash here.
(plugin_call_all_symbols_read): Set plugin_multiple_definition in
plugin callbacks.
(plugin_notice): Rewrite.
(plugin_multiple_definition): Make static, call original callback.
ld/testsuite/
* ld-plugin/plugin-7.d: Adjust for plugin changes.
* ld-plugin/plugin-8.d: Likewise.
* ld-plugin/plugin.exp: Pass --verbose=2 for visibility test, and
compare ld output to..
* ld-plugin/plugin-12.d: New.
2011-04-18 01:15:13 +02:00
|
|
|
{
|
|
|
|
flagword flags;
|
|
|
|
|
2011-08-17 02:39:41 +02:00
|
|
|
/* Create section to own the symbols. */
|
PR ld/12365
PR ld/12672
bfd/
* bfd.c (BFD_PLUGIN): Define.
(BFD_FLAGS_SAVED, BFD_FLAGS_FOR_BFD_USE_MASK): Add BFD_PLUGIN.
* bfd-in2.h: Regenerate.
* elflink.c (elf_link_output_extsym): Strip undefined plugin syms.
* opncls.c (bfd_make_readable): Don't lose original bfd flags.
ld/
* ldfile.c (ldfile_try_open_bfd): Don't attempt any plugin action
when no_more_claiming.
* ldmain.c (add_archive_element): Likewise.
(multiple_definition): Remove plugin_multiple_definition call.
(notice): Remove plugin_notice call.
* ldlang.c (lang_list_insert_after, void lang_list_remove_tail): Move.
Delete prototype.
(plugin_insert): New static var.
(open_input_bfds): Only rescan libs after plugin insert point.
(lang_gc_sections): Omit plugin claimed files.
(lang_process): Set plugin_insert. Only rescan when plugin adds
objects.
* plugin.h (no_more_claiming): Declare.
(plugin_notice, plugin_multiple_definition): Don't declare.
* plugin.c: Formatting.
(orig_notice_all, orig_allow_multiple_defs, orig_callbacks,
plugin_callbacks): New static vars.
(no_more_claiming): Make global.
(plugin_cached_allow_multiple_defs): Delete.
(plugin_get_ir_dummy_bfd): Set SEC_EXCLUDE on dummy .text section,
use newer bfd_make_section variant. Make COMMON section too.
Error handling. Correct setting of gp size.
(asymbol_from_plugin_symbol): Properly cast last arg of concat.
(message): Likewise for ACONCAT.
(asymbol_from_plugin_symbol): Use our COMMON section.
(get_symbols): When report_plugin_symbols, show visibility too.
(init_non_ironly_hash): Move. Don't test non_ironly_hash.
(plugin_load_plugins): Save state of linker callbacks, set up to
call plugin_notice instead. Call init_non_ironly_hash here.
(plugin_call_all_symbols_read): Set plugin_multiple_definition in
plugin callbacks.
(plugin_notice): Rewrite.
(plugin_multiple_definition): Make static, call original callback.
ld/testsuite/
* ld-plugin/plugin-7.d: Adjust for plugin changes.
* ld-plugin/plugin-8.d: Likewise.
* ld-plugin/plugin.exp: Pass --verbose=2 for visibility test, and
compare ld output to..
* ld-plugin/plugin-12.d: New.
2011-04-18 01:15:13 +02:00
|
|
|
flags = (SEC_CODE | SEC_HAS_CONTENTS | SEC_READONLY
|
|
|
|
| SEC_ALLOC | SEC_LOAD | SEC_KEEP | SEC_EXCLUDE);
|
|
|
|
if (bfd_make_section_anyway_with_flags (abfd, ".text", flags))
|
|
|
|
return abfd;
|
|
|
|
}
|
|
|
|
}
|
2015-02-11 14:01:03 +01:00
|
|
|
report_error:
|
PR ld/12365
PR ld/12672
bfd/
* bfd.c (BFD_PLUGIN): Define.
(BFD_FLAGS_SAVED, BFD_FLAGS_FOR_BFD_USE_MASK): Add BFD_PLUGIN.
* bfd-in2.h: Regenerate.
* elflink.c (elf_link_output_extsym): Strip undefined plugin syms.
* opncls.c (bfd_make_readable): Don't lose original bfd flags.
ld/
* ldfile.c (ldfile_try_open_bfd): Don't attempt any plugin action
when no_more_claiming.
* ldmain.c (add_archive_element): Likewise.
(multiple_definition): Remove plugin_multiple_definition call.
(notice): Remove plugin_notice call.
* ldlang.c (lang_list_insert_after, void lang_list_remove_tail): Move.
Delete prototype.
(plugin_insert): New static var.
(open_input_bfds): Only rescan libs after plugin insert point.
(lang_gc_sections): Omit plugin claimed files.
(lang_process): Set plugin_insert. Only rescan when plugin adds
objects.
* plugin.h (no_more_claiming): Declare.
(plugin_notice, plugin_multiple_definition): Don't declare.
* plugin.c: Formatting.
(orig_notice_all, orig_allow_multiple_defs, orig_callbacks,
plugin_callbacks): New static vars.
(no_more_claiming): Make global.
(plugin_cached_allow_multiple_defs): Delete.
(plugin_get_ir_dummy_bfd): Set SEC_EXCLUDE on dummy .text section,
use newer bfd_make_section variant. Make COMMON section too.
Error handling. Correct setting of gp size.
(asymbol_from_plugin_symbol): Properly cast last arg of concat.
(message): Likewise for ACONCAT.
(asymbol_from_plugin_symbol): Use our COMMON section.
(get_symbols): When report_plugin_symbols, show visibility too.
(init_non_ironly_hash): Move. Don't test non_ironly_hash.
(plugin_load_plugins): Save state of linker callbacks, set up to
call plugin_notice instead. Call init_non_ironly_hash here.
(plugin_call_all_symbols_read): Set plugin_multiple_definition in
plugin callbacks.
(plugin_notice): Rewrite.
(plugin_multiple_definition): Make static, call original callback.
ld/testsuite/
* ld-plugin/plugin-7.d: Adjust for plugin changes.
* ld-plugin/plugin-8.d: Likewise.
* ld-plugin/plugin.exp: Pass --verbose=2 for visibility test, and
compare ld output to..
* ld-plugin/plugin-12.d: New.
2011-04-18 01:15:13 +02:00
|
|
|
einfo (_("could not create dummy IR bfd: %F%E\n"));
|
|
|
|
return NULL;
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
}
|
|
|
|
|
2010-11-05 08:20:07 +01:00
|
|
|
/* Check if the BFD passed in is an IR dummy object file. */
|
2014-08-14 03:13:41 +02:00
|
|
|
static inline bfd_boolean
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
is_ir_dummy_bfd (const bfd *abfd)
|
|
|
|
{
|
2011-03-10 11:22:24 +01:00
|
|
|
/* ABFD can sometimes legitimately be NULL, e.g. when called from one
|
2014-08-14 03:13:41 +02:00
|
|
|
of the linker callbacks for a symbol in the *ABS* or *UND* sections. */
|
|
|
|
return abfd != NULL && (abfd->flags & BFD_PLUGIN) != 0;
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Helpers to convert between BFD and GOLD symbol formats. */
|
|
|
|
static enum ld_plugin_status
|
|
|
|
asymbol_from_plugin_symbol (bfd *abfd, asymbol *asym,
|
2010-11-21 21:36:25 +01:00
|
|
|
const struct ld_plugin_symbol *ldsym)
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
{
|
|
|
|
flagword flags = BSF_NO_FLAGS;
|
|
|
|
struct bfd_section *section;
|
|
|
|
|
|
|
|
asym->the_bfd = abfd;
|
2010-11-21 21:36:25 +01:00
|
|
|
asym->name = (ldsym->version
|
PR ld/12365
PR ld/12672
bfd/
* bfd.c (BFD_PLUGIN): Define.
(BFD_FLAGS_SAVED, BFD_FLAGS_FOR_BFD_USE_MASK): Add BFD_PLUGIN.
* bfd-in2.h: Regenerate.
* elflink.c (elf_link_output_extsym): Strip undefined plugin syms.
* opncls.c (bfd_make_readable): Don't lose original bfd flags.
ld/
* ldfile.c (ldfile_try_open_bfd): Don't attempt any plugin action
when no_more_claiming.
* ldmain.c (add_archive_element): Likewise.
(multiple_definition): Remove plugin_multiple_definition call.
(notice): Remove plugin_notice call.
* ldlang.c (lang_list_insert_after, void lang_list_remove_tail): Move.
Delete prototype.
(plugin_insert): New static var.
(open_input_bfds): Only rescan libs after plugin insert point.
(lang_gc_sections): Omit plugin claimed files.
(lang_process): Set plugin_insert. Only rescan when plugin adds
objects.
* plugin.h (no_more_claiming): Declare.
(plugin_notice, plugin_multiple_definition): Don't declare.
* plugin.c: Formatting.
(orig_notice_all, orig_allow_multiple_defs, orig_callbacks,
plugin_callbacks): New static vars.
(no_more_claiming): Make global.
(plugin_cached_allow_multiple_defs): Delete.
(plugin_get_ir_dummy_bfd): Set SEC_EXCLUDE on dummy .text section,
use newer bfd_make_section variant. Make COMMON section too.
Error handling. Correct setting of gp size.
(asymbol_from_plugin_symbol): Properly cast last arg of concat.
(message): Likewise for ACONCAT.
(asymbol_from_plugin_symbol): Use our COMMON section.
(get_symbols): When report_plugin_symbols, show visibility too.
(init_non_ironly_hash): Move. Don't test non_ironly_hash.
(plugin_load_plugins): Save state of linker callbacks, set up to
call plugin_notice instead. Call init_non_ironly_hash here.
(plugin_call_all_symbols_read): Set plugin_multiple_definition in
plugin callbacks.
(plugin_notice): Rewrite.
(plugin_multiple_definition): Make static, call original callback.
ld/testsuite/
* ld-plugin/plugin-7.d: Adjust for plugin changes.
* ld-plugin/plugin-8.d: Likewise.
* ld-plugin/plugin.exp: Pass --verbose=2 for visibility test, and
compare ld output to..
* ld-plugin/plugin-12.d: New.
2011-04-18 01:15:13 +02:00
|
|
|
? concat (ldsym->name, "@", ldsym->version, (const char *) NULL)
|
2010-11-21 21:36:25 +01:00
|
|
|
: ldsym->name);
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
asym->value = 0;
|
|
|
|
switch (ldsym->def)
|
|
|
|
{
|
|
|
|
case LDPK_WEAKDEF:
|
|
|
|
flags = BSF_WEAK;
|
|
|
|
/* FALLTHRU */
|
|
|
|
case LDPK_DEF:
|
|
|
|
flags |= BSF_GLOBAL;
|
2011-08-17 02:39:41 +02:00
|
|
|
if (ldsym->comdat_key)
|
|
|
|
{
|
|
|
|
char *name = concat (".gnu.linkonce.t.", ldsym->comdat_key,
|
|
|
|
(const char *) NULL);
|
|
|
|
section = bfd_get_section_by_name (abfd, name);
|
|
|
|
if (section != NULL)
|
|
|
|
free (name);
|
|
|
|
else
|
|
|
|
{
|
|
|
|
flagword sflags;
|
|
|
|
|
|
|
|
sflags = (SEC_CODE | SEC_HAS_CONTENTS | SEC_READONLY
|
|
|
|
| SEC_ALLOC | SEC_LOAD | SEC_KEEP | SEC_EXCLUDE
|
|
|
|
| SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD);
|
|
|
|
section = bfd_make_section_anyway_with_flags (abfd, name, sflags);
|
|
|
|
if (section == NULL)
|
|
|
|
return LDPS_ERR;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
section = bfd_get_section_by_name (abfd, ".text");
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
break;
|
|
|
|
|
|
|
|
case LDPK_WEAKUNDEF:
|
|
|
|
flags = BSF_WEAK;
|
|
|
|
/* FALLTHRU */
|
|
|
|
case LDPK_UNDEF:
|
|
|
|
section = bfd_und_section_ptr;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case LDPK_COMMON:
|
|
|
|
flags = BSF_GLOBAL;
|
|
|
|
section = bfd_com_section_ptr;
|
|
|
|
asym->value = ldsym->size;
|
2010-11-20 18:34:16 +01:00
|
|
|
/* For ELF targets, set alignment of common symbol to 1. */
|
|
|
|
if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
|
2011-04-20 02:22:08 +02:00
|
|
|
{
|
|
|
|
((elf_symbol_type *) asym)->internal_elf_sym.st_shndx = SHN_COMMON;
|
|
|
|
((elf_symbol_type *) asym)->internal_elf_sym.st_value = 1;
|
|
|
|
}
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
return LDPS_ERR;
|
|
|
|
}
|
|
|
|
asym->flags = flags;
|
|
|
|
asym->section = section;
|
|
|
|
|
|
|
|
/* Visibility only applies on ELF targets. */
|
|
|
|
if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
|
|
|
|
{
|
|
|
|
elf_symbol_type *elfsym = elf_symbol_from (abfd, asym);
|
2010-12-06 01:00:15 +01:00
|
|
|
unsigned char visibility;
|
|
|
|
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
if (!elfsym)
|
2010-12-06 01:53:20 +01:00
|
|
|
einfo (_("%P%F: %s: non-ELF symbol in ELF BFD!\n"), asym->name);
|
2010-12-06 01:00:15 +01:00
|
|
|
switch (ldsym->visibility)
|
|
|
|
{
|
|
|
|
default:
|
2010-12-06 01:53:20 +01:00
|
|
|
einfo (_("%P%F: unknown ELF symbol visibility: %d!\n"),
|
2010-12-06 01:00:15 +01:00
|
|
|
ldsym->visibility);
|
2016-10-05 08:22:24 +02:00
|
|
|
return LDPS_ERR;
|
|
|
|
|
2010-12-06 01:00:15 +01:00
|
|
|
case LDPV_DEFAULT:
|
|
|
|
visibility = STV_DEFAULT;
|
|
|
|
break;
|
|
|
|
case LDPV_PROTECTED:
|
|
|
|
visibility = STV_PROTECTED;
|
|
|
|
break;
|
|
|
|
case LDPV_INTERNAL:
|
|
|
|
visibility = STV_INTERNAL;
|
|
|
|
break;
|
|
|
|
case LDPV_HIDDEN:
|
|
|
|
visibility = STV_HIDDEN;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
elfsym->internal_elf_sym.st_other
|
|
|
|
= (visibility | (elfsym->internal_elf_sym.st_other
|
|
|
|
& ~ELF_ST_VISIBILITY (-1)));
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
return LDPS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Register a claim-file handler. */
|
|
|
|
static enum ld_plugin_status
|
|
|
|
register_claim_file (ld_plugin_claim_file_handler handler)
|
|
|
|
{
|
|
|
|
ASSERT (called_plugin);
|
|
|
|
called_plugin->claim_file_handler = handler;
|
|
|
|
return LDPS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Register an all-symbols-read handler. */
|
|
|
|
static enum ld_plugin_status
|
|
|
|
register_all_symbols_read (ld_plugin_all_symbols_read_handler handler)
|
|
|
|
{
|
|
|
|
ASSERT (called_plugin);
|
|
|
|
called_plugin->all_symbols_read_handler = handler;
|
|
|
|
return LDPS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Register a cleanup handler. */
|
|
|
|
static enum ld_plugin_status
|
|
|
|
register_cleanup (ld_plugin_cleanup_handler handler)
|
|
|
|
{
|
|
|
|
ASSERT (called_plugin);
|
|
|
|
called_plugin->cleanup_handler = handler;
|
|
|
|
return LDPS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Add symbols from a plugin-claimed input file. */
|
|
|
|
static enum ld_plugin_status
|
|
|
|
add_symbols (void *handle, int nsyms, const struct ld_plugin_symbol *syms)
|
|
|
|
{
|
|
|
|
asymbol **symptrs;
|
2015-02-05 14:00:52 +01:00
|
|
|
plugin_input_file_t *input = handle;
|
|
|
|
bfd *abfd = input->abfd;
|
2011-08-09 11:27:34 +02:00
|
|
|
int n;
|
2011-08-05 05:17:12 +02:00
|
|
|
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
ASSERT (called_plugin);
|
|
|
|
symptrs = xmalloc (nsyms * sizeof *symptrs);
|
2011-08-09 11:27:34 +02:00
|
|
|
for (n = 0; n < nsyms; n++)
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
{
|
|
|
|
enum ld_plugin_status rv;
|
2011-07-09 08:20:52 +02:00
|
|
|
asymbol *bfdsym;
|
|
|
|
|
|
|
|
bfdsym = bfd_make_empty_symbol (abfd);
|
2011-08-09 11:27:34 +02:00
|
|
|
symptrs[n] = bfdsym;
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
rv = asymbol_from_plugin_symbol (abfd, bfdsym, syms + n);
|
|
|
|
if (rv != LDPS_OK)
|
|
|
|
return rv;
|
|
|
|
}
|
2011-08-09 11:27:34 +02:00
|
|
|
bfd_set_symtab (abfd, symptrs, nsyms);
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
return LDPS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Get the input file information with an open (possibly re-opened)
|
|
|
|
file descriptor. */
|
|
|
|
static enum ld_plugin_status
|
2015-02-05 14:00:52 +01:00
|
|
|
get_input_file (const void *handle, struct ld_plugin_input_file *file)
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
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|
|
{
|
2015-02-05 14:00:52 +01:00
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|
|
const plugin_input_file_t *input = handle;
|
|
|
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|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
ASSERT (called_plugin);
|
2015-02-05 14:00:52 +01:00
|
|
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|
|
|
file->name = input->name;
|
|
|
|
file->offset = input->offset;
|
|
|
|
file->filesize = input->filesize;
|
|
|
|
file->handle = (void *) handle;
|
|
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return LDPS_OK;
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
}
|
|
|
|
|
2015-01-28 19:27:31 +01:00
|
|
|
/* Get view of the input file. */
|
|
|
|
static enum ld_plugin_status
|
2015-02-05 14:00:52 +01:00
|
|
|
get_view (const void *handle, const void **viewp)
|
2015-01-28 19:27:31 +01:00
|
|
|
{
|
2015-02-06 18:05:35 +01:00
|
|
|
plugin_input_file_t *input = (plugin_input_file_t *) handle;
|
2015-02-05 14:00:52 +01:00
|
|
|
char *buffer;
|
2015-02-06 18:05:35 +01:00
|
|
|
size_t size = input->filesize;
|
2015-02-11 02:01:17 +01:00
|
|
|
off_t offset = input->offset;
|
|
|
|
#if HAVE_MMAP && HAVE_GETPAGESIZE
|
|
|
|
off_t bias;
|
2015-02-10 14:28:26 +01:00
|
|
|
#endif
|
2015-02-05 14:00:52 +01:00
|
|
|
|
2015-01-28 19:27:31 +01:00
|
|
|
ASSERT (called_plugin);
|
2015-02-05 14:00:52 +01:00
|
|
|
|
2015-02-06 18:05:35 +01:00
|
|
|
/* FIXME: einfo should support %lld. */
|
|
|
|
if ((off_t) size != input->filesize)
|
|
|
|
einfo (_("%P%F: unsupported input file size: %s (%ld bytes)\n"),
|
|
|
|
input->name, (long) input->filesize);
|
2015-02-05 14:00:52 +01:00
|
|
|
|
2015-02-06 18:05:35 +01:00
|
|
|
/* Check the cached view buffer. */
|
|
|
|
if (input->view_buffer.addr != NULL
|
|
|
|
&& input->view_buffer.filesize == size
|
2015-02-11 02:01:17 +01:00
|
|
|
&& input->view_buffer.offset == offset)
|
2015-02-06 18:05:35 +01:00
|
|
|
{
|
|
|
|
*viewp = input->view_buffer.addr;
|
|
|
|
return LDPS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
input->view_buffer.filesize = size;
|
2015-02-11 02:01:17 +01:00
|
|
|
input->view_buffer.offset = offset;
|
2015-02-05 14:00:52 +01:00
|
|
|
|
2015-02-06 18:05:35 +01:00
|
|
|
#if HAVE_MMAP
|
2015-02-10 14:28:26 +01:00
|
|
|
# if HAVE_GETPAGESIZE
|
2015-02-11 02:01:17 +01:00
|
|
|
bias = offset % plugin_pagesize;
|
|
|
|
offset -= bias;
|
2015-02-10 14:28:26 +01:00
|
|
|
size += bias;
|
|
|
|
# endif
|
|
|
|
buffer = mmap (NULL, size, PROT_READ, MAP_PRIVATE, input->fd, offset);
|
|
|
|
if (buffer != MAP_FAILED)
|
2015-02-11 02:01:17 +01:00
|
|
|
{
|
|
|
|
input->use_mmap = TRUE;
|
|
|
|
# if HAVE_GETPAGESIZE
|
|
|
|
buffer += bias;
|
2015-02-10 14:46:38 +01:00
|
|
|
# endif
|
2015-02-11 02:01:17 +01:00
|
|
|
}
|
|
|
|
else
|
2015-02-06 18:05:35 +01:00
|
|
|
#endif
|
2015-02-05 14:00:52 +01:00
|
|
|
{
|
2015-02-06 18:05:35 +01:00
|
|
|
char *p;
|
|
|
|
|
2015-02-11 02:01:17 +01:00
|
|
|
input->use_mmap = FALSE;
|
|
|
|
|
|
|
|
if (lseek (input->fd, offset, SEEK_SET) < 0)
|
2015-02-06 18:05:35 +01:00
|
|
|
return LDPS_ERR;
|
|
|
|
|
|
|
|
buffer = bfd_alloc (input->abfd, size);
|
|
|
|
if (buffer == NULL)
|
|
|
|
return LDPS_ERR;
|
|
|
|
|
|
|
|
p = buffer;
|
|
|
|
do
|
2015-02-05 14:00:52 +01:00
|
|
|
{
|
2015-02-06 18:05:35 +01:00
|
|
|
ssize_t got = read (input->fd, p, size);
|
|
|
|
if (got == 0)
|
|
|
|
break;
|
|
|
|
else if (got > 0)
|
|
|
|
{
|
|
|
|
p += got;
|
|
|
|
size -= got;
|
|
|
|
}
|
|
|
|
else if (errno != EINTR)
|
|
|
|
return LDPS_ERR;
|
2015-02-05 14:00:52 +01:00
|
|
|
}
|
2015-02-06 18:05:35 +01:00
|
|
|
while (size > 0);
|
2015-02-05 14:00:52 +01:00
|
|
|
}
|
2015-02-06 18:05:35 +01:00
|
|
|
|
|
|
|
input->view_buffer.addr = buffer;
|
|
|
|
*viewp = buffer;
|
2015-02-05 14:00:52 +01:00
|
|
|
|
|
|
|
return LDPS_OK;
|
2015-01-28 19:27:31 +01:00
|
|
|
}
|
|
|
|
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
/* Release the input file. */
|
|
|
|
static enum ld_plugin_status
|
2015-02-05 14:00:52 +01:00
|
|
|
release_input_file (const void *handle)
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
{
|
2015-02-06 01:57:09 +01:00
|
|
|
plugin_input_file_t *input = (plugin_input_file_t *) handle;
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
ASSERT (called_plugin);
|
2015-02-05 14:00:52 +01:00
|
|
|
if (input->fd != -1)
|
2015-02-06 01:57:09 +01:00
|
|
|
{
|
|
|
|
close (input->fd);
|
|
|
|
input->fd = -1;
|
|
|
|
}
|
2015-02-05 14:00:52 +01:00
|
|
|
return LDPS_OK;
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
}
|
|
|
|
|
2010-11-19 04:31:06 +01:00
|
|
|
/* Return TRUE if a defined symbol might be reachable from outside the
|
|
|
|
universe of claimed objects. */
|
|
|
|
static inline bfd_boolean
|
2011-10-10 14:43:14 +02:00
|
|
|
is_visible_from_outside (struct ld_plugin_symbol *lsym,
|
2010-11-21 21:36:25 +01:00
|
|
|
struct bfd_link_hash_entry *blhe)
|
2010-11-19 04:31:06 +01:00
|
|
|
{
|
2011-04-24 12:02:14 +02:00
|
|
|
struct bfd_sym_chain *sym;
|
|
|
|
|
Add output_type to bfd_link_info
The "shared" field in bfd_link_info is set for both DSO and and PIE.
There are separate fields for executable and relocatable outputs. This
patch adds an "output_type" field:
enum output_type
{
type_unknown = 0,
type_executable,
type_dll,
type_relocatable
};
and a "pic" field to bfd_link_info to replace shared, executable and
relocatable fields so that we can use the "output_type" field to check
for output type and the "pic" field check if output is PIC. Macros,
bfd_link_executable, bfd_link_dll, bfd_link_relocatable, bfd_link_pic
and bfd_link_pie, are provided to check for output features.
bfd/
* bfd/aoutx.h: Replace shared, executable, relocatable and pie
fields with bfd_link_executable, bfd_link_dll,
bfd_link_relocatable, bfd_link_pic and bfd_link_pie.
* bfd/bout.c: Likewise.
* bfd/coff-alpha.c: Likewise.
* bfd/coff-arm.c: Likewise.
* bfd/coff-i386.c: Likewise.
* bfd/coff-i960.c: Likewise.
* bfd/coff-m68k.c: Likewise.
* bfd/coff-mcore.c: Likewise.
* bfd/coff-mips.c: Likewise.
* bfd/coff-ppc.c: Likewise.
* bfd/coff-rs6000.c: Likewise.
* bfd/coff-sh.c: Likewise.
* bfd/coff-tic80.c: Likewise.
* bfd/coff-x86_64.c: Likewise.
* bfd/coff64-rs6000.c: Likewise.
* bfd/coffgen.c: Likewise.
* bfd/cofflink.c: Likewise.
* bfd/ecoff.c: Likewise.
* bfd/ecofflink.c: Likewise.
* bfd/elf-bfd.h: Likewise.
* bfd/elf-eh-frame.c: Likewise.
* bfd/elf-ifunc.c: Likewise.
* bfd/elf-m10200.c: Likewise.
* bfd/elf-m10300.c: Likewise.
* bfd/elf-s390-common.c: Likewise.
* bfd/elf-vxworks.c: Likewise.
* bfd/elf.c: Likewise.
* bfd/elf32-arm.c: Likewise.
* bfd/elf32-avr.c: Likewise.
* bfd/elf32-bfin.c: Likewise.
* bfd/elf32-cr16.c: Likewise.
* bfd/elf32-cr16c.c: Likewise.
* bfd/elf32-cris.c: Likewise.
* bfd/elf32-crx.c: Likewise.
* bfd/elf32-d10v.c: Likewise.
* bfd/elf32-dlx.c: Likewise.
* bfd/elf32-epiphany.c: Likewise.
* bfd/elf32-fr30.c: Likewise.
* bfd/elf32-frv.c: Likewise.
* bfd/elf32-ft32.c: Likewise.
* bfd/elf32-h8300.c: Likewise.
* bfd/elf32-hppa.c: Likewise.
* bfd/elf32-i370.c: Likewise.
* bfd/elf32-i386.c: Likewise.
* bfd/elf32-i860.c: Likewise.
* bfd/elf32-ip2k.c: Likewise.
* bfd/elf32-iq2000.c: Likewise.
* bfd/elf32-lm32.c: Likewise.
* bfd/elf32-m32c.c: Likewise.
* bfd/elf32-m32r.c: Likewise.
* bfd/elf32-m68hc11.c: Likewise.
* bfd/elf32-m68hc1x.c: Likewise.
* bfd/elf32-m68k.c: Likewise.
* bfd/elf32-mcore.c: Likewise.
* bfd/elf32-mep.c: Likewise.
* bfd/elf32-metag.c: Likewise.
* bfd/elf32-microblaze.c: Likewise.
* bfd/elf32-moxie.c: Likewise.
* bfd/elf32-msp430.c: Likewise.
* bfd/elf32-mt.c: Likewise.
* bfd/elf32-nds32.c: Likewise.
* bfd/elf32-nios2.c: Likewise.
* bfd/elf32-or1k.c: Likewise.
* bfd/elf32-ppc.c: Likewise.
* bfd/elf32-rl78.c: Likewise.
* bfd/elf32-rx.c: Likewise.
* bfd/elf32-s390.c: Likewise.
* bfd/elf32-score.c: Likewise.
* bfd/elf32-score7.c: Likewise.
* bfd/elf32-sh-symbian.c: Likewise.
* bfd/elf32-sh.c: Likewise.
* bfd/elf32-sh64.c: Likewise.
* bfd/elf32-spu.c: Likewise.
* bfd/elf32-tic6x.c: Likewise.
* bfd/elf32-tilepro.c: Likewise.
* bfd/elf32-v850.c: Likewise.
* bfd/elf32-vax.c: Likewise.
* bfd/elf32-visium.c: Likewise.
* bfd/elf32-xc16x.c: Likewise.
* bfd/elf32-xstormy16.c: Likewise.
* bfd/elf32-xtensa.c: Likewise.
* bfd/elf64-alpha.c: Likewise.
* bfd/elf64-hppa.c: Likewise.
* bfd/elf64-ia64-vms.c: Likewise.
* bfd/elf64-mmix.c: Likewise.
* bfd/elf64-ppc.c: Likewise.
* bfd/elf64-s390.c: Likewise.
* bfd/elf64-sh64.c: Likewise.
* bfd/elf64-x86-64.c: Likewise.
* bfd/elflink.c: Likewise.
* bfd/elfnn-aarch64.c: Likewise.
* bfd/elfnn-ia64.c: Likewise.
* bfd/elfxx-mips.c: Likewise.
* bfd/elfxx-sparc.c: Likewise.
* bfd/elfxx-tilegx.c: Likewise.
* bfd/i386linux.c: Likewise.
* bfd/linker.c: Likewise.
* bfd/m68klinux.c: Likewise.
* bfd/pdp11.c: Likewise.
* bfd/pe-mips.c: Likewise.
* bfd/peXXigen.c: Likewise.
* bfd/reloc.c: Likewise.
* bfd/reloc16.c: Likewise.
* bfd/sparclinux.c: Likewise.
* bfd/sunos.c: Likewise.
* bfd/vms-alpha.c: Likewise.
* bfd/xcofflink.c: Likewise.
include/
* include/bfdlink.h (output_type): New enum.
(bfd_link_executable): New macro.
(bfd_link_dll): Likewise.
(bfd_link_relocatable): Likewise.
(bfd_link_pic): Likewise.
(bfd_link_pie): Likewise.
(bfd_link_info): Remove shared, executable, pie and relocatable.
Add output_type and pic.
ld/
* ld/ldctor.c: Replace shared, executable, relocatable and pie
fields with bfd_link_executable, bfd_link_dll,
bfd_link_relocatable, bfd_link_pic and bfd_link_pie.
* ld/ldemul.c: Likewise.
* ld/ldfile.c: Likewise.
* ld/ldlang.c: Likewise.
* ld/ldmain.c: Likewise.
* ld/ldwrite.c: Likewise.
* ld/lexsup.c: Likewise.
* ld/pe-dll.c: Likewise.
* ld/plugin.c: Likewise.
* ld/emultempl/aarch64elf.em: Likewise.
* ld/emultempl/aix.em: Likewise.
* ld/emultempl/alphaelf.em: Likewise.
* ld/emultempl/armcoff.em: Likewise.
* ld/emultempl/armelf.em: Likewise.
* ld/emultempl/avrelf.em: Likewise.
* ld/emultempl/beos.em: Likewise.
* ld/emultempl/cr16elf.em: Likewise.
* ld/emultempl/elf-generic.em: Likewise.
* ld/emultempl/elf32.em: Likewise.
* ld/emultempl/genelf.em: Likewise.
* ld/emultempl/generic.em: Likewise.
* ld/emultempl/gld960.em: Likewise.
* ld/emultempl/gld960c.em: Likewise.
* ld/emultempl/hppaelf.em: Likewise.
* ld/emultempl/irix.em: Likewise.
* ld/emultempl/linux.em: Likewise.
* ld/emultempl/lnk960.em: Likewise.
* ld/emultempl/m68hc1xelf.em: Likewise.
* ld/emultempl/m68kcoff.em: Likewise.
* ld/emultempl/m68kelf.em: Likewise.
* ld/emultempl/metagelf.em: Likewise.
* ld/emultempl/mipself.em: Likewise.
* ld/emultempl/mmo.em: Likewise.
* ld/emultempl/msp430.em: Likewise.
* ld/emultempl/nds32elf.em: Likewise.
* ld/emultempl/needrelax.em: Likewise.
* ld/emultempl/nios2elf.em: Likewise.
* ld/emultempl/pe.em: Likewise.
* ld/emultempl/pep.em: Likewise.
* ld/emultempl/ppc32elf.em: Likewise.
* ld/emultempl/ppc64elf.em: Likewise.
* ld/emultempl/sh64elf.em: Likewise.
* ld/emultempl/solaris2.em: Likewise.
* ld/emultempl/spuelf.em: Likewise.
* ld/emultempl/sunos.em: Likewise.
* ld/emultempl/tic6xdsbt.em: Likewise.
* ld/emultempl/ticoff.em: Likewise.
* ld/emultempl/v850elf.em: Likewise.
* ld/emultempl/vms.em: Likewise.
* ld/emultempl/vxworks.em: Likewise.
2015-08-18 14:51:03 +02:00
|
|
|
if (bfd_link_relocatable (&link_info))
|
2010-11-19 04:31:06 +01:00
|
|
|
return TRUE;
|
Add output_type to bfd_link_info
The "shared" field in bfd_link_info is set for both DSO and and PIE.
There are separate fields for executable and relocatable outputs. This
patch adds an "output_type" field:
enum output_type
{
type_unknown = 0,
type_executable,
type_dll,
type_relocatable
};
and a "pic" field to bfd_link_info to replace shared, executable and
relocatable fields so that we can use the "output_type" field to check
for output type and the "pic" field check if output is PIC. Macros,
bfd_link_executable, bfd_link_dll, bfd_link_relocatable, bfd_link_pic
and bfd_link_pie, are provided to check for output features.
bfd/
* bfd/aoutx.h: Replace shared, executable, relocatable and pie
fields with bfd_link_executable, bfd_link_dll,
bfd_link_relocatable, bfd_link_pic and bfd_link_pie.
* bfd/bout.c: Likewise.
* bfd/coff-alpha.c: Likewise.
* bfd/coff-arm.c: Likewise.
* bfd/coff-i386.c: Likewise.
* bfd/coff-i960.c: Likewise.
* bfd/coff-m68k.c: Likewise.
* bfd/coff-mcore.c: Likewise.
* bfd/coff-mips.c: Likewise.
* bfd/coff-ppc.c: Likewise.
* bfd/coff-rs6000.c: Likewise.
* bfd/coff-sh.c: Likewise.
* bfd/coff-tic80.c: Likewise.
* bfd/coff-x86_64.c: Likewise.
* bfd/coff64-rs6000.c: Likewise.
* bfd/coffgen.c: Likewise.
* bfd/cofflink.c: Likewise.
* bfd/ecoff.c: Likewise.
* bfd/ecofflink.c: Likewise.
* bfd/elf-bfd.h: Likewise.
* bfd/elf-eh-frame.c: Likewise.
* bfd/elf-ifunc.c: Likewise.
* bfd/elf-m10200.c: Likewise.
* bfd/elf-m10300.c: Likewise.
* bfd/elf-s390-common.c: Likewise.
* bfd/elf-vxworks.c: Likewise.
* bfd/elf.c: Likewise.
* bfd/elf32-arm.c: Likewise.
* bfd/elf32-avr.c: Likewise.
* bfd/elf32-bfin.c: Likewise.
* bfd/elf32-cr16.c: Likewise.
* bfd/elf32-cr16c.c: Likewise.
* bfd/elf32-cris.c: Likewise.
* bfd/elf32-crx.c: Likewise.
* bfd/elf32-d10v.c: Likewise.
* bfd/elf32-dlx.c: Likewise.
* bfd/elf32-epiphany.c: Likewise.
* bfd/elf32-fr30.c: Likewise.
* bfd/elf32-frv.c: Likewise.
* bfd/elf32-ft32.c: Likewise.
* bfd/elf32-h8300.c: Likewise.
* bfd/elf32-hppa.c: Likewise.
* bfd/elf32-i370.c: Likewise.
* bfd/elf32-i386.c: Likewise.
* bfd/elf32-i860.c: Likewise.
* bfd/elf32-ip2k.c: Likewise.
* bfd/elf32-iq2000.c: Likewise.
* bfd/elf32-lm32.c: Likewise.
* bfd/elf32-m32c.c: Likewise.
* bfd/elf32-m32r.c: Likewise.
* bfd/elf32-m68hc11.c: Likewise.
* bfd/elf32-m68hc1x.c: Likewise.
* bfd/elf32-m68k.c: Likewise.
* bfd/elf32-mcore.c: Likewise.
* bfd/elf32-mep.c: Likewise.
* bfd/elf32-metag.c: Likewise.
* bfd/elf32-microblaze.c: Likewise.
* bfd/elf32-moxie.c: Likewise.
* bfd/elf32-msp430.c: Likewise.
* bfd/elf32-mt.c: Likewise.
* bfd/elf32-nds32.c: Likewise.
* bfd/elf32-nios2.c: Likewise.
* bfd/elf32-or1k.c: Likewise.
* bfd/elf32-ppc.c: Likewise.
* bfd/elf32-rl78.c: Likewise.
* bfd/elf32-rx.c: Likewise.
* bfd/elf32-s390.c: Likewise.
* bfd/elf32-score.c: Likewise.
* bfd/elf32-score7.c: Likewise.
* bfd/elf32-sh-symbian.c: Likewise.
* bfd/elf32-sh.c: Likewise.
* bfd/elf32-sh64.c: Likewise.
* bfd/elf32-spu.c: Likewise.
* bfd/elf32-tic6x.c: Likewise.
* bfd/elf32-tilepro.c: Likewise.
* bfd/elf32-v850.c: Likewise.
* bfd/elf32-vax.c: Likewise.
* bfd/elf32-visium.c: Likewise.
* bfd/elf32-xc16x.c: Likewise.
* bfd/elf32-xstormy16.c: Likewise.
* bfd/elf32-xtensa.c: Likewise.
* bfd/elf64-alpha.c: Likewise.
* bfd/elf64-hppa.c: Likewise.
* bfd/elf64-ia64-vms.c: Likewise.
* bfd/elf64-mmix.c: Likewise.
* bfd/elf64-ppc.c: Likewise.
* bfd/elf64-s390.c: Likewise.
* bfd/elf64-sh64.c: Likewise.
* bfd/elf64-x86-64.c: Likewise.
* bfd/elflink.c: Likewise.
* bfd/elfnn-aarch64.c: Likewise.
* bfd/elfnn-ia64.c: Likewise.
* bfd/elfxx-mips.c: Likewise.
* bfd/elfxx-sparc.c: Likewise.
* bfd/elfxx-tilegx.c: Likewise.
* bfd/i386linux.c: Likewise.
* bfd/linker.c: Likewise.
* bfd/m68klinux.c: Likewise.
* bfd/pdp11.c: Likewise.
* bfd/pe-mips.c: Likewise.
* bfd/peXXigen.c: Likewise.
* bfd/reloc.c: Likewise.
* bfd/reloc16.c: Likewise.
* bfd/sparclinux.c: Likewise.
* bfd/sunos.c: Likewise.
* bfd/vms-alpha.c: Likewise.
* bfd/xcofflink.c: Likewise.
include/
* include/bfdlink.h (output_type): New enum.
(bfd_link_executable): New macro.
(bfd_link_dll): Likewise.
(bfd_link_relocatable): Likewise.
(bfd_link_pic): Likewise.
(bfd_link_pie): Likewise.
(bfd_link_info): Remove shared, executable, pie and relocatable.
Add output_type and pic.
ld/
* ld/ldctor.c: Replace shared, executable, relocatable and pie
fields with bfd_link_executable, bfd_link_dll,
bfd_link_relocatable, bfd_link_pic and bfd_link_pie.
* ld/ldemul.c: Likewise.
* ld/ldfile.c: Likewise.
* ld/ldlang.c: Likewise.
* ld/ldmain.c: Likewise.
* ld/ldwrite.c: Likewise.
* ld/lexsup.c: Likewise.
* ld/pe-dll.c: Likewise.
* ld/plugin.c: Likewise.
* ld/emultempl/aarch64elf.em: Likewise.
* ld/emultempl/aix.em: Likewise.
* ld/emultempl/alphaelf.em: Likewise.
* ld/emultempl/armcoff.em: Likewise.
* ld/emultempl/armelf.em: Likewise.
* ld/emultempl/avrelf.em: Likewise.
* ld/emultempl/beos.em: Likewise.
* ld/emultempl/cr16elf.em: Likewise.
* ld/emultempl/elf-generic.em: Likewise.
* ld/emultempl/elf32.em: Likewise.
* ld/emultempl/genelf.em: Likewise.
* ld/emultempl/generic.em: Likewise.
* ld/emultempl/gld960.em: Likewise.
* ld/emultempl/gld960c.em: Likewise.
* ld/emultempl/hppaelf.em: Likewise.
* ld/emultempl/irix.em: Likewise.
* ld/emultempl/linux.em: Likewise.
* ld/emultempl/lnk960.em: Likewise.
* ld/emultempl/m68hc1xelf.em: Likewise.
* ld/emultempl/m68kcoff.em: Likewise.
* ld/emultempl/m68kelf.em: Likewise.
* ld/emultempl/metagelf.em: Likewise.
* ld/emultempl/mipself.em: Likewise.
* ld/emultempl/mmo.em: Likewise.
* ld/emultempl/msp430.em: Likewise.
* ld/emultempl/nds32elf.em: Likewise.
* ld/emultempl/needrelax.em: Likewise.
* ld/emultempl/nios2elf.em: Likewise.
* ld/emultempl/pe.em: Likewise.
* ld/emultempl/pep.em: Likewise.
* ld/emultempl/ppc32elf.em: Likewise.
* ld/emultempl/ppc64elf.em: Likewise.
* ld/emultempl/sh64elf.em: Likewise.
* ld/emultempl/solaris2.em: Likewise.
* ld/emultempl/spuelf.em: Likewise.
* ld/emultempl/sunos.em: Likewise.
* ld/emultempl/tic6xdsbt.em: Likewise.
* ld/emultempl/ticoff.em: Likewise.
* ld/emultempl/v850elf.em: Likewise.
* ld/emultempl/vms.em: Likewise.
* ld/emultempl/vxworks.em: Likewise.
2015-08-18 14:51:03 +02:00
|
|
|
if (link_info.export_dynamic || bfd_link_dll (&link_info))
|
2010-11-19 04:31:06 +01:00
|
|
|
{
|
2011-09-16 03:15:20 +02:00
|
|
|
/* Check if symbol is hidden by version script. */
|
|
|
|
if (bfd_hide_sym_by_version (link_info.version_info,
|
|
|
|
blhe->root.string))
|
|
|
|
return FALSE;
|
2010-11-19 04:31:06 +01:00
|
|
|
/* Only ELF symbols really have visibility. */
|
|
|
|
if (bfd_get_flavour (link_info.output_bfd) == bfd_target_elf_flavour)
|
|
|
|
{
|
|
|
|
struct elf_link_hash_entry *el = (struct elf_link_hash_entry *)blhe;
|
|
|
|
int vis = ELF_ST_VISIBILITY (el->other);
|
|
|
|
return vis == STV_DEFAULT || vis == STV_PROTECTED;
|
|
|
|
}
|
|
|
|
/* On non-ELF targets, we can safely make inferences by considering
|
2010-11-21 21:36:25 +01:00
|
|
|
what visibility the plugin would have liked to apply when it first
|
2010-11-19 04:31:06 +01:00
|
|
|
sent us the symbol. During ELF symbol processing, visibility only
|
|
|
|
ever becomes more restrictive, not less, when symbols are merged,
|
|
|
|
so this is a conservative estimate; it may give false positives,
|
|
|
|
declaring something visible from outside when it in fact would
|
|
|
|
not have been, but this will only lead to missed optimisation
|
|
|
|
opportunities during LTRANS at worst; it will not give false
|
|
|
|
negatives, which can lead to the disastrous conclusion that the
|
|
|
|
related symbol is IRONLY. (See GCC PR46319 for an example.) */
|
2010-12-06 01:00:15 +01:00
|
|
|
return (lsym->visibility == LDPV_DEFAULT
|
|
|
|
|| lsym->visibility == LDPV_PROTECTED);
|
2010-11-19 04:31:06 +01:00
|
|
|
}
|
2011-04-24 12:02:14 +02:00
|
|
|
|
|
|
|
for (sym = &entry_symbol; sym != NULL; sym = sym->next)
|
|
|
|
if (sym->name
|
|
|
|
&& strcmp (sym->name, blhe->root.string) == 0)
|
|
|
|
return TRUE;
|
|
|
|
|
2010-11-19 04:31:06 +01:00
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
/* Get the symbol resolution info for a plugin-claimed input file. */
|
|
|
|
static enum ld_plugin_status
|
PR ld/13329
ld/
* plugin.c (tv_header_tags): Add LDPT_GET_SYMBOLS_V2.
(set_tv_header): Handle it. Adjust LDPT_GET_SYMBOLS. Return void.
(get_symbols): Add def_ironly_exp param. Return that value for
syms exported from shared libs.
(get_symbols_v1, get_symbols_v2): New wrapper functions.
* testplug.c: Update for above changes.
ld/testsuite/
* ld-plugin/plugin-1.d, * ld-plugin/plugin-2.d, * ld-plugin/plugin-3.d,
* ld-plugin/plugin-4.d, * ld-plugin/plugin-5.d, * ld-plugin/plugin-6.d,
* ld-plugin/plugin-7.d, * ld-plugin/plugin-8.d, * ld-plugin/plugin-9.d,
* ld-plugin/plugin-10.d, * ld-plugin/plugin-11.d: Update.
2011-10-06 12:07:17 +02:00
|
|
|
get_symbols (const void *handle, int nsyms, struct ld_plugin_symbol *syms,
|
|
|
|
int def_ironly_exp)
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
{
|
2015-02-05 14:00:52 +01:00
|
|
|
const plugin_input_file_t *input = handle;
|
|
|
|
const bfd *abfd = (const bfd *) input->abfd;
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
int n;
|
PR ld/13329
ld/
* plugin.c (tv_header_tags): Add LDPT_GET_SYMBOLS_V2.
(set_tv_header): Handle it. Adjust LDPT_GET_SYMBOLS. Return void.
(get_symbols): Add def_ironly_exp param. Return that value for
syms exported from shared libs.
(get_symbols_v1, get_symbols_v2): New wrapper functions.
* testplug.c: Update for above changes.
ld/testsuite/
* ld-plugin/plugin-1.d, * ld-plugin/plugin-2.d, * ld-plugin/plugin-3.d,
* ld-plugin/plugin-4.d, * ld-plugin/plugin-5.d, * ld-plugin/plugin-6.d,
* ld-plugin/plugin-7.d, * ld-plugin/plugin-8.d, * ld-plugin/plugin-9.d,
* ld-plugin/plugin-10.d, * ld-plugin/plugin-11.d: Update.
2011-10-06 12:07:17 +02:00
|
|
|
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
ASSERT (called_plugin);
|
|
|
|
for (n = 0; n < nsyms; n++)
|
|
|
|
{
|
|
|
|
struct bfd_link_hash_entry *blhe;
|
2010-11-19 04:31:06 +01:00
|
|
|
asection *owner_sec;
|
PR ld/13329
ld/
* plugin.c (tv_header_tags): Add LDPT_GET_SYMBOLS_V2.
(set_tv_header): Handle it. Adjust LDPT_GET_SYMBOLS. Return void.
(get_symbols): Add def_ironly_exp param. Return that value for
syms exported from shared libs.
(get_symbols_v1, get_symbols_v2): New wrapper functions.
* testplug.c: Update for above changes.
ld/testsuite/
* ld-plugin/plugin-1.d, * ld-plugin/plugin-2.d, * ld-plugin/plugin-3.d,
* ld-plugin/plugin-4.d, * ld-plugin/plugin-5.d, * ld-plugin/plugin-6.d,
* ld-plugin/plugin-7.d, * ld-plugin/plugin-8.d, * ld-plugin/plugin-9.d,
* ld-plugin/plugin-10.d, * ld-plugin/plugin-11.d: Update.
2011-10-06 12:07:17 +02:00
|
|
|
int res;
|
|
|
|
|
2011-03-10 11:27:50 +01:00
|
|
|
if (syms[n].def != LDPK_UNDEF)
|
|
|
|
blhe = bfd_link_hash_lookup (link_info.hash, syms[n].name,
|
|
|
|
FALSE, FALSE, TRUE);
|
|
|
|
else
|
|
|
|
blhe = bfd_wrapped_link_hash_lookup (link_info.output_bfd, &link_info,
|
|
|
|
syms[n].name, FALSE, FALSE, TRUE);
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
if (!blhe)
|
|
|
|
{
|
2016-05-13 01:50:34 +02:00
|
|
|
/* The plugin is called to claim symbols in an archive element
|
|
|
|
from plugin_object_p. But those symbols aren't needed to
|
|
|
|
create output. They are defined and referenced only within
|
|
|
|
IR. */
|
|
|
|
switch (syms[n].def)
|
|
|
|
{
|
|
|
|
default:
|
|
|
|
abort ();
|
|
|
|
case LDPK_UNDEF:
|
|
|
|
case LDPK_WEAKUNDEF:
|
|
|
|
res = LDPR_UNDEF;
|
|
|
|
break;
|
|
|
|
case LDPK_DEF:
|
|
|
|
case LDPK_WEAKDEF:
|
|
|
|
case LDPK_COMMON:
|
|
|
|
res = LDPR_PREVAILING_DEF_IRONLY;
|
|
|
|
break;
|
|
|
|
}
|
2011-03-05 00:44:01 +01:00
|
|
|
goto report_symbol;
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Determine resolution from blhe type and symbol's original type. */
|
|
|
|
if (blhe->type == bfd_link_hash_undefined
|
2010-11-21 21:36:25 +01:00
|
|
|
|| blhe->type == bfd_link_hash_undefweak)
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
{
|
PR ld/13329
ld/
* plugin.c (tv_header_tags): Add LDPT_GET_SYMBOLS_V2.
(set_tv_header): Handle it. Adjust LDPT_GET_SYMBOLS. Return void.
(get_symbols): Add def_ironly_exp param. Return that value for
syms exported from shared libs.
(get_symbols_v1, get_symbols_v2): New wrapper functions.
* testplug.c: Update for above changes.
ld/testsuite/
* ld-plugin/plugin-1.d, * ld-plugin/plugin-2.d, * ld-plugin/plugin-3.d,
* ld-plugin/plugin-4.d, * ld-plugin/plugin-5.d, * ld-plugin/plugin-6.d,
* ld-plugin/plugin-7.d, * ld-plugin/plugin-8.d, * ld-plugin/plugin-9.d,
* ld-plugin/plugin-10.d, * ld-plugin/plugin-11.d: Update.
2011-10-06 12:07:17 +02:00
|
|
|
res = LDPR_UNDEF;
|
2011-03-05 00:44:01 +01:00
|
|
|
goto report_symbol;
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
}
|
|
|
|
if (blhe->type != bfd_link_hash_defined
|
2010-11-21 21:36:25 +01:00
|
|
|
&& blhe->type != bfd_link_hash_defweak
|
|
|
|
&& blhe->type != bfd_link_hash_common)
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
{
|
|
|
|
/* We should not have a new, indirect or warning symbol here. */
|
2010-12-06 01:53:20 +01:00
|
|
|
einfo ("%P%F: %s: plugin symbol table corrupt (sym type %d)\n",
|
2010-11-21 21:36:25 +01:00
|
|
|
called_plugin->name, blhe->type);
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
}
|
|
|
|
|
2010-11-19 04:31:06 +01:00
|
|
|
/* Find out which section owns the symbol. Since it's not undef,
|
|
|
|
it must have an owner; if it's not a common symbol, both defs
|
|
|
|
and weakdefs keep it in the same place. */
|
PR ld/12365
PR ld/12672
bfd/
* bfd.c (BFD_PLUGIN): Define.
(BFD_FLAGS_SAVED, BFD_FLAGS_FOR_BFD_USE_MASK): Add BFD_PLUGIN.
* bfd-in2.h: Regenerate.
* elflink.c (elf_link_output_extsym): Strip undefined plugin syms.
* opncls.c (bfd_make_readable): Don't lose original bfd flags.
ld/
* ldfile.c (ldfile_try_open_bfd): Don't attempt any plugin action
when no_more_claiming.
* ldmain.c (add_archive_element): Likewise.
(multiple_definition): Remove plugin_multiple_definition call.
(notice): Remove plugin_notice call.
* ldlang.c (lang_list_insert_after, void lang_list_remove_tail): Move.
Delete prototype.
(plugin_insert): New static var.
(open_input_bfds): Only rescan libs after plugin insert point.
(lang_gc_sections): Omit plugin claimed files.
(lang_process): Set plugin_insert. Only rescan when plugin adds
objects.
* plugin.h (no_more_claiming): Declare.
(plugin_notice, plugin_multiple_definition): Don't declare.
* plugin.c: Formatting.
(orig_notice_all, orig_allow_multiple_defs, orig_callbacks,
plugin_callbacks): New static vars.
(no_more_claiming): Make global.
(plugin_cached_allow_multiple_defs): Delete.
(plugin_get_ir_dummy_bfd): Set SEC_EXCLUDE on dummy .text section,
use newer bfd_make_section variant. Make COMMON section too.
Error handling. Correct setting of gp size.
(asymbol_from_plugin_symbol): Properly cast last arg of concat.
(message): Likewise for ACONCAT.
(asymbol_from_plugin_symbol): Use our COMMON section.
(get_symbols): When report_plugin_symbols, show visibility too.
(init_non_ironly_hash): Move. Don't test non_ironly_hash.
(plugin_load_plugins): Save state of linker callbacks, set up to
call plugin_notice instead. Call init_non_ironly_hash here.
(plugin_call_all_symbols_read): Set plugin_multiple_definition in
plugin callbacks.
(plugin_notice): Rewrite.
(plugin_multiple_definition): Make static, call original callback.
ld/testsuite/
* ld-plugin/plugin-7.d: Adjust for plugin changes.
* ld-plugin/plugin-8.d: Likewise.
* ld-plugin/plugin.exp: Pass --verbose=2 for visibility test, and
compare ld output to..
* ld-plugin/plugin-12.d: New.
2011-04-18 01:15:13 +02:00
|
|
|
owner_sec = (blhe->type == bfd_link_hash_common
|
|
|
|
? blhe->u.c.p->section
|
|
|
|
: blhe->u.def.section);
|
2010-11-19 04:31:06 +01:00
|
|
|
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
|
|
|
|
/* If it was originally undefined or common, then it has been
|
2010-11-21 21:36:25 +01:00
|
|
|
resolved; determine how. */
|
|
|
|
if (syms[n].def == LDPK_UNDEF
|
|
|
|
|| syms[n].def == LDPK_WEAKUNDEF
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
|| syms[n].def == LDPK_COMMON)
|
|
|
|
{
|
|
|
|
if (owner_sec->owner == link_info.output_bfd)
|
PR ld/13329
ld/
* plugin.c (tv_header_tags): Add LDPT_GET_SYMBOLS_V2.
(set_tv_header): Handle it. Adjust LDPT_GET_SYMBOLS. Return void.
(get_symbols): Add def_ironly_exp param. Return that value for
syms exported from shared libs.
(get_symbols_v1, get_symbols_v2): New wrapper functions.
* testplug.c: Update for above changes.
ld/testsuite/
* ld-plugin/plugin-1.d, * ld-plugin/plugin-2.d, * ld-plugin/plugin-3.d,
* ld-plugin/plugin-4.d, * ld-plugin/plugin-5.d, * ld-plugin/plugin-6.d,
* ld-plugin/plugin-7.d, * ld-plugin/plugin-8.d, * ld-plugin/plugin-9.d,
* ld-plugin/plugin-10.d, * ld-plugin/plugin-11.d: Update.
2011-10-06 12:07:17 +02:00
|
|
|
res = LDPR_RESOLVED_EXEC;
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
else if (owner_sec->owner == abfd)
|
PR ld/13329
ld/
* plugin.c (tv_header_tags): Add LDPT_GET_SYMBOLS_V2.
(set_tv_header): Handle it. Adjust LDPT_GET_SYMBOLS. Return void.
(get_symbols): Add def_ironly_exp param. Return that value for
syms exported from shared libs.
(get_symbols_v1, get_symbols_v2): New wrapper functions.
* testplug.c: Update for above changes.
ld/testsuite/
* ld-plugin/plugin-1.d, * ld-plugin/plugin-2.d, * ld-plugin/plugin-3.d,
* ld-plugin/plugin-4.d, * ld-plugin/plugin-5.d, * ld-plugin/plugin-6.d,
* ld-plugin/plugin-7.d, * ld-plugin/plugin-8.d, * ld-plugin/plugin-9.d,
* ld-plugin/plugin-10.d, * ld-plugin/plugin-11.d: Update.
2011-10-06 12:07:17 +02:00
|
|
|
res = LDPR_PREVAILING_DEF_IRONLY;
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
else if (is_ir_dummy_bfd (owner_sec->owner))
|
PR ld/13329
ld/
* plugin.c (tv_header_tags): Add LDPT_GET_SYMBOLS_V2.
(set_tv_header): Handle it. Adjust LDPT_GET_SYMBOLS. Return void.
(get_symbols): Add def_ironly_exp param. Return that value for
syms exported from shared libs.
(get_symbols_v1, get_symbols_v2): New wrapper functions.
* testplug.c: Update for above changes.
ld/testsuite/
* ld-plugin/plugin-1.d, * ld-plugin/plugin-2.d, * ld-plugin/plugin-3.d,
* ld-plugin/plugin-4.d, * ld-plugin/plugin-5.d, * ld-plugin/plugin-6.d,
* ld-plugin/plugin-7.d, * ld-plugin/plugin-8.d, * ld-plugin/plugin-9.d,
* ld-plugin/plugin-10.d, * ld-plugin/plugin-11.d: Update.
2011-10-06 12:07:17 +02:00
|
|
|
res = LDPR_RESOLVED_IR;
|
2011-01-05 15:25:26 +01:00
|
|
|
else if (owner_sec->owner != NULL
|
|
|
|
&& (owner_sec->owner->flags & DYNAMIC) != 0)
|
PR ld/13329
ld/
* plugin.c (tv_header_tags): Add LDPT_GET_SYMBOLS_V2.
(set_tv_header): Handle it. Adjust LDPT_GET_SYMBOLS. Return void.
(get_symbols): Add def_ironly_exp param. Return that value for
syms exported from shared libs.
(get_symbols_v1, get_symbols_v2): New wrapper functions.
* testplug.c: Update for above changes.
ld/testsuite/
* ld-plugin/plugin-1.d, * ld-plugin/plugin-2.d, * ld-plugin/plugin-3.d,
* ld-plugin/plugin-4.d, * ld-plugin/plugin-5.d, * ld-plugin/plugin-6.d,
* ld-plugin/plugin-7.d, * ld-plugin/plugin-8.d, * ld-plugin/plugin-9.d,
* ld-plugin/plugin-10.d, * ld-plugin/plugin-11.d: Update.
2011-10-06 12:07:17 +02:00
|
|
|
res = LDPR_RESOLVED_DYN;
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
else
|
PR ld/13329
ld/
* plugin.c (tv_header_tags): Add LDPT_GET_SYMBOLS_V2.
(set_tv_header): Handle it. Adjust LDPT_GET_SYMBOLS. Return void.
(get_symbols): Add def_ironly_exp param. Return that value for
syms exported from shared libs.
(get_symbols_v1, get_symbols_v2): New wrapper functions.
* testplug.c: Update for above changes.
ld/testsuite/
* ld-plugin/plugin-1.d, * ld-plugin/plugin-2.d, * ld-plugin/plugin-3.d,
* ld-plugin/plugin-4.d, * ld-plugin/plugin-5.d, * ld-plugin/plugin-6.d,
* ld-plugin/plugin-7.d, * ld-plugin/plugin-8.d, * ld-plugin/plugin-9.d,
* ld-plugin/plugin-10.d, * ld-plugin/plugin-11.d: Update.
2011-10-06 12:07:17 +02:00
|
|
|
res = LDPR_RESOLVED_EXEC;
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Was originally def, or weakdef. Does it prevail? If the
|
2010-11-21 21:36:25 +01:00
|
|
|
owner is the original dummy bfd that supplied it, then this
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
is the definition that has prevailed. */
|
PR ld/13329
ld/
* plugin.c (tv_header_tags): Add LDPT_GET_SYMBOLS_V2.
(set_tv_header): Handle it. Adjust LDPT_GET_SYMBOLS. Return void.
(get_symbols): Add def_ironly_exp param. Return that value for
syms exported from shared libs.
(get_symbols_v1, get_symbols_v2): New wrapper functions.
* testplug.c: Update for above changes.
ld/testsuite/
* ld-plugin/plugin-1.d, * ld-plugin/plugin-2.d, * ld-plugin/plugin-3.d,
* ld-plugin/plugin-4.d, * ld-plugin/plugin-5.d, * ld-plugin/plugin-6.d,
* ld-plugin/plugin-7.d, * ld-plugin/plugin-8.d, * ld-plugin/plugin-9.d,
* ld-plugin/plugin-10.d, * ld-plugin/plugin-11.d: Update.
2011-10-06 12:07:17 +02:00
|
|
|
else if (owner_sec->owner == link_info.output_bfd)
|
|
|
|
res = LDPR_PREEMPTED_REG;
|
2010-11-19 04:31:06 +01:00
|
|
|
else if (owner_sec->owner == abfd)
|
PR ld/13329
ld/
* plugin.c (tv_header_tags): Add LDPT_GET_SYMBOLS_V2.
(set_tv_header): Handle it. Adjust LDPT_GET_SYMBOLS. Return void.
(get_symbols): Add def_ironly_exp param. Return that value for
syms exported from shared libs.
(get_symbols_v1, get_symbols_v2): New wrapper functions.
* testplug.c: Update for above changes.
ld/testsuite/
* ld-plugin/plugin-1.d, * ld-plugin/plugin-2.d, * ld-plugin/plugin-3.d,
* ld-plugin/plugin-4.d, * ld-plugin/plugin-5.d, * ld-plugin/plugin-6.d,
* ld-plugin/plugin-7.d, * ld-plugin/plugin-8.d, * ld-plugin/plugin-9.d,
* ld-plugin/plugin-10.d, * ld-plugin/plugin-11.d: Update.
2011-10-06 12:07:17 +02:00
|
|
|
res = LDPR_PREVAILING_DEF_IRONLY;
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
|
|
|
|
/* Was originally def, weakdef, or common, but has been pre-empted. */
|
PR ld/13329
ld/
* plugin.c (tv_header_tags): Add LDPT_GET_SYMBOLS_V2.
(set_tv_header): Handle it. Adjust LDPT_GET_SYMBOLS. Return void.
(get_symbols): Add def_ironly_exp param. Return that value for
syms exported from shared libs.
(get_symbols_v1, get_symbols_v2): New wrapper functions.
* testplug.c: Update for above changes.
ld/testsuite/
* ld-plugin/plugin-1.d, * ld-plugin/plugin-2.d, * ld-plugin/plugin-3.d,
* ld-plugin/plugin-4.d, * ld-plugin/plugin-5.d, * ld-plugin/plugin-6.d,
* ld-plugin/plugin-7.d, * ld-plugin/plugin-8.d, * ld-plugin/plugin-9.d,
* ld-plugin/plugin-10.d, * ld-plugin/plugin-11.d: Update.
2011-10-06 12:07:17 +02:00
|
|
|
else if (is_ir_dummy_bfd (owner_sec->owner))
|
|
|
|
res = LDPR_PREEMPTED_IR;
|
|
|
|
else
|
|
|
|
res = LDPR_PREEMPTED_REG;
|
|
|
|
|
|
|
|
if (res == LDPR_PREVAILING_DEF_IRONLY)
|
|
|
|
{
|
|
|
|
/* We need to know if the sym is referenced from non-IR files. Or
|
|
|
|
even potentially-referenced, perhaps in a future final link if
|
|
|
|
this is a partial one, perhaps dynamically at load-time if the
|
|
|
|
symbol is externally visible. */
|
|
|
|
if (blhe->non_ir_ref)
|
|
|
|
res = LDPR_PREVAILING_DEF;
|
2011-10-10 14:43:14 +02:00
|
|
|
else if (is_visible_from_outside (&syms[n], blhe))
|
PR ld/13329
ld/
* plugin.c (tv_header_tags): Add LDPT_GET_SYMBOLS_V2.
(set_tv_header): Handle it. Adjust LDPT_GET_SYMBOLS. Return void.
(get_symbols): Add def_ironly_exp param. Return that value for
syms exported from shared libs.
(get_symbols_v1, get_symbols_v2): New wrapper functions.
* testplug.c: Update for above changes.
ld/testsuite/
* ld-plugin/plugin-1.d, * ld-plugin/plugin-2.d, * ld-plugin/plugin-3.d,
* ld-plugin/plugin-4.d, * ld-plugin/plugin-5.d, * ld-plugin/plugin-6.d,
* ld-plugin/plugin-7.d, * ld-plugin/plugin-8.d, * ld-plugin/plugin-9.d,
* ld-plugin/plugin-10.d, * ld-plugin/plugin-11.d: Update.
2011-10-06 12:07:17 +02:00
|
|
|
res = def_ironly_exp;
|
|
|
|
}
|
2011-03-05 00:44:01 +01:00
|
|
|
|
PR ld/12365
PR ld/12672
bfd/
* bfd.c (BFD_PLUGIN): Define.
(BFD_FLAGS_SAVED, BFD_FLAGS_FOR_BFD_USE_MASK): Add BFD_PLUGIN.
* bfd-in2.h: Regenerate.
* elflink.c (elf_link_output_extsym): Strip undefined plugin syms.
* opncls.c (bfd_make_readable): Don't lose original bfd flags.
ld/
* ldfile.c (ldfile_try_open_bfd): Don't attempt any plugin action
when no_more_claiming.
* ldmain.c (add_archive_element): Likewise.
(multiple_definition): Remove plugin_multiple_definition call.
(notice): Remove plugin_notice call.
* ldlang.c (lang_list_insert_after, void lang_list_remove_tail): Move.
Delete prototype.
(plugin_insert): New static var.
(open_input_bfds): Only rescan libs after plugin insert point.
(lang_gc_sections): Omit plugin claimed files.
(lang_process): Set plugin_insert. Only rescan when plugin adds
objects.
* plugin.h (no_more_claiming): Declare.
(plugin_notice, plugin_multiple_definition): Don't declare.
* plugin.c: Formatting.
(orig_notice_all, orig_allow_multiple_defs, orig_callbacks,
plugin_callbacks): New static vars.
(no_more_claiming): Make global.
(plugin_cached_allow_multiple_defs): Delete.
(plugin_get_ir_dummy_bfd): Set SEC_EXCLUDE on dummy .text section,
use newer bfd_make_section variant. Make COMMON section too.
Error handling. Correct setting of gp size.
(asymbol_from_plugin_symbol): Properly cast last arg of concat.
(message): Likewise for ACONCAT.
(asymbol_from_plugin_symbol): Use our COMMON section.
(get_symbols): When report_plugin_symbols, show visibility too.
(init_non_ironly_hash): Move. Don't test non_ironly_hash.
(plugin_load_plugins): Save state of linker callbacks, set up to
call plugin_notice instead. Call init_non_ironly_hash here.
(plugin_call_all_symbols_read): Set plugin_multiple_definition in
plugin callbacks.
(plugin_notice): Rewrite.
(plugin_multiple_definition): Make static, call original callback.
ld/testsuite/
* ld-plugin/plugin-7.d: Adjust for plugin changes.
* ld-plugin/plugin-8.d: Likewise.
* ld-plugin/plugin.exp: Pass --verbose=2 for visibility test, and
compare ld output to..
* ld-plugin/plugin-12.d: New.
2011-04-18 01:15:13 +02:00
|
|
|
report_symbol:
|
PR ld/13329
ld/
* plugin.c (tv_header_tags): Add LDPT_GET_SYMBOLS_V2.
(set_tv_header): Handle it. Adjust LDPT_GET_SYMBOLS. Return void.
(get_symbols): Add def_ironly_exp param. Return that value for
syms exported from shared libs.
(get_symbols_v1, get_symbols_v2): New wrapper functions.
* testplug.c: Update for above changes.
ld/testsuite/
* ld-plugin/plugin-1.d, * ld-plugin/plugin-2.d, * ld-plugin/plugin-3.d,
* ld-plugin/plugin-4.d, * ld-plugin/plugin-5.d, * ld-plugin/plugin-6.d,
* ld-plugin/plugin-7.d, * ld-plugin/plugin-8.d, * ld-plugin/plugin-9.d,
* ld-plugin/plugin-10.d, * ld-plugin/plugin-11.d: Update.
2011-10-06 12:07:17 +02:00
|
|
|
syms[n].resolution = res;
|
2011-03-05 00:44:01 +01:00
|
|
|
if (report_plugin_symbols)
|
PR ld/12365
PR ld/12672
bfd/
* bfd.c (BFD_PLUGIN): Define.
(BFD_FLAGS_SAVED, BFD_FLAGS_FOR_BFD_USE_MASK): Add BFD_PLUGIN.
* bfd-in2.h: Regenerate.
* elflink.c (elf_link_output_extsym): Strip undefined plugin syms.
* opncls.c (bfd_make_readable): Don't lose original bfd flags.
ld/
* ldfile.c (ldfile_try_open_bfd): Don't attempt any plugin action
when no_more_claiming.
* ldmain.c (add_archive_element): Likewise.
(multiple_definition): Remove plugin_multiple_definition call.
(notice): Remove plugin_notice call.
* ldlang.c (lang_list_insert_after, void lang_list_remove_tail): Move.
Delete prototype.
(plugin_insert): New static var.
(open_input_bfds): Only rescan libs after plugin insert point.
(lang_gc_sections): Omit plugin claimed files.
(lang_process): Set plugin_insert. Only rescan when plugin adds
objects.
* plugin.h (no_more_claiming): Declare.
(plugin_notice, plugin_multiple_definition): Don't declare.
* plugin.c: Formatting.
(orig_notice_all, orig_allow_multiple_defs, orig_callbacks,
plugin_callbacks): New static vars.
(no_more_claiming): Make global.
(plugin_cached_allow_multiple_defs): Delete.
(plugin_get_ir_dummy_bfd): Set SEC_EXCLUDE on dummy .text section,
use newer bfd_make_section variant. Make COMMON section too.
Error handling. Correct setting of gp size.
(asymbol_from_plugin_symbol): Properly cast last arg of concat.
(message): Likewise for ACONCAT.
(asymbol_from_plugin_symbol): Use our COMMON section.
(get_symbols): When report_plugin_symbols, show visibility too.
(init_non_ironly_hash): Move. Don't test non_ironly_hash.
(plugin_load_plugins): Save state of linker callbacks, set up to
call plugin_notice instead. Call init_non_ironly_hash here.
(plugin_call_all_symbols_read): Set plugin_multiple_definition in
plugin callbacks.
(plugin_notice): Rewrite.
(plugin_multiple_definition): Make static, call original callback.
ld/testsuite/
* ld-plugin/plugin-7.d: Adjust for plugin changes.
* ld-plugin/plugin-8.d: Likewise.
* ld-plugin/plugin.exp: Pass --verbose=2 for visibility test, and
compare ld output to..
* ld-plugin/plugin-12.d: New.
2011-04-18 01:15:13 +02:00
|
|
|
einfo (_("%P: %B: symbol `%s' "
|
|
|
|
"definition: %d, visibility: %d, resolution: %d\n"),
|
|
|
|
abfd, syms[n].name,
|
PR ld/13329
ld/
* plugin.c (tv_header_tags): Add LDPT_GET_SYMBOLS_V2.
(set_tv_header): Handle it. Adjust LDPT_GET_SYMBOLS. Return void.
(get_symbols): Add def_ironly_exp param. Return that value for
syms exported from shared libs.
(get_symbols_v1, get_symbols_v2): New wrapper functions.
* testplug.c: Update for above changes.
ld/testsuite/
* ld-plugin/plugin-1.d, * ld-plugin/plugin-2.d, * ld-plugin/plugin-3.d,
* ld-plugin/plugin-4.d, * ld-plugin/plugin-5.d, * ld-plugin/plugin-6.d,
* ld-plugin/plugin-7.d, * ld-plugin/plugin-8.d, * ld-plugin/plugin-9.d,
* ld-plugin/plugin-10.d, * ld-plugin/plugin-11.d: Update.
2011-10-06 12:07:17 +02:00
|
|
|
syms[n].def, syms[n].visibility, res);
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
}
|
|
|
|
return LDPS_OK;
|
|
|
|
}
|
|
|
|
|
PR ld/13329
ld/
* plugin.c (tv_header_tags): Add LDPT_GET_SYMBOLS_V2.
(set_tv_header): Handle it. Adjust LDPT_GET_SYMBOLS. Return void.
(get_symbols): Add def_ironly_exp param. Return that value for
syms exported from shared libs.
(get_symbols_v1, get_symbols_v2): New wrapper functions.
* testplug.c: Update for above changes.
ld/testsuite/
* ld-plugin/plugin-1.d, * ld-plugin/plugin-2.d, * ld-plugin/plugin-3.d,
* ld-plugin/plugin-4.d, * ld-plugin/plugin-5.d, * ld-plugin/plugin-6.d,
* ld-plugin/plugin-7.d, * ld-plugin/plugin-8.d, * ld-plugin/plugin-9.d,
* ld-plugin/plugin-10.d, * ld-plugin/plugin-11.d: Update.
2011-10-06 12:07:17 +02:00
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static enum ld_plugin_status
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get_symbols_v1 (const void *handle, int nsyms, struct ld_plugin_symbol *syms)
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|
|
{
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return get_symbols (handle, nsyms, syms, LDPR_PREVAILING_DEF);
|
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}
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static enum ld_plugin_status
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get_symbols_v2 (const void *handle, int nsyms, struct ld_plugin_symbol *syms)
|
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{
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return get_symbols (handle, nsyms, syms, LDPR_PREVAILING_DEF_IRONLY_EXP);
|
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}
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|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
/* Add a new (real) input file generated by a plugin. */
|
|
|
|
static enum ld_plugin_status
|
|
|
|
add_input_file (const char *pathname)
|
|
|
|
{
|
2015-02-14 09:08:32 +01:00
|
|
|
lang_input_statement_type *is;
|
|
|
|
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
ASSERT (called_plugin);
|
2015-02-14 09:08:32 +01:00
|
|
|
is = lang_add_input_file (xstrdup (pathname), lang_input_file_is_file_enum,
|
|
|
|
NULL);
|
|
|
|
if (!is)
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
return LDPS_ERR;
|
2015-02-14 09:08:32 +01:00
|
|
|
is->flags.lto_output = 1;
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
return LDPS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Add a new (real) library required by a plugin. */
|
|
|
|
static enum ld_plugin_status
|
|
|
|
add_input_library (const char *pathname)
|
|
|
|
{
|
2015-02-14 09:08:32 +01:00
|
|
|
lang_input_statement_type *is;
|
|
|
|
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
ASSERT (called_plugin);
|
2015-02-14 09:08:32 +01:00
|
|
|
is = lang_add_input_file (xstrdup (pathname), lang_input_file_is_l_enum,
|
|
|
|
NULL);
|
|
|
|
if (!is)
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
return LDPS_ERR;
|
2015-02-14 09:08:32 +01:00
|
|
|
is->flags.lto_output = 1;
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
return LDPS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Set the extra library path to be used by libraries added via
|
|
|
|
add_input_library. */
|
|
|
|
static enum ld_plugin_status
|
|
|
|
set_extra_library_path (const char *path)
|
|
|
|
{
|
|
|
|
ASSERT (called_plugin);
|
2010-10-15 18:09:36 +02:00
|
|
|
ldfile_add_library_path (xstrdup (path), FALSE);
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
return LDPS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Issue a diagnostic message from a plugin. */
|
|
|
|
static enum ld_plugin_status
|
|
|
|
message (int level, const char *format, ...)
|
|
|
|
{
|
|
|
|
va_list args;
|
|
|
|
va_start (args, format);
|
|
|
|
|
|
|
|
switch (level)
|
|
|
|
{
|
|
|
|
case LDPL_INFO:
|
|
|
|
vfinfo (stdout, format, args, FALSE);
|
2010-12-06 22:47:43 +01:00
|
|
|
putchar ('\n');
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
break;
|
|
|
|
case LDPL_WARNING:
|
2015-02-11 21:16:07 +01:00
|
|
|
{
|
2016-03-21 17:31:46 +01:00
|
|
|
char *newfmt = concat ("%P: warning: ", format, "\n",
|
|
|
|
(const char *) NULL);
|
2015-02-11 21:16:07 +01:00
|
|
|
vfinfo (stdout, newfmt, args, TRUE);
|
2016-03-21 17:31:46 +01:00
|
|
|
free (newfmt);
|
2015-02-11 21:16:07 +01:00
|
|
|
}
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
break;
|
|
|
|
case LDPL_FATAL:
|
|
|
|
case LDPL_ERROR:
|
|
|
|
default:
|
PR ld/12365
PR ld/12672
bfd/
* bfd.c (BFD_PLUGIN): Define.
(BFD_FLAGS_SAVED, BFD_FLAGS_FOR_BFD_USE_MASK): Add BFD_PLUGIN.
* bfd-in2.h: Regenerate.
* elflink.c (elf_link_output_extsym): Strip undefined plugin syms.
* opncls.c (bfd_make_readable): Don't lose original bfd flags.
ld/
* ldfile.c (ldfile_try_open_bfd): Don't attempt any plugin action
when no_more_claiming.
* ldmain.c (add_archive_element): Likewise.
(multiple_definition): Remove plugin_multiple_definition call.
(notice): Remove plugin_notice call.
* ldlang.c (lang_list_insert_after, void lang_list_remove_tail): Move.
Delete prototype.
(plugin_insert): New static var.
(open_input_bfds): Only rescan libs after plugin insert point.
(lang_gc_sections): Omit plugin claimed files.
(lang_process): Set plugin_insert. Only rescan when plugin adds
objects.
* plugin.h (no_more_claiming): Declare.
(plugin_notice, plugin_multiple_definition): Don't declare.
* plugin.c: Formatting.
(orig_notice_all, orig_allow_multiple_defs, orig_callbacks,
plugin_callbacks): New static vars.
(no_more_claiming): Make global.
(plugin_cached_allow_multiple_defs): Delete.
(plugin_get_ir_dummy_bfd): Set SEC_EXCLUDE on dummy .text section,
use newer bfd_make_section variant. Make COMMON section too.
Error handling. Correct setting of gp size.
(asymbol_from_plugin_symbol): Properly cast last arg of concat.
(message): Likewise for ACONCAT.
(asymbol_from_plugin_symbol): Use our COMMON section.
(get_symbols): When report_plugin_symbols, show visibility too.
(init_non_ironly_hash): Move. Don't test non_ironly_hash.
(plugin_load_plugins): Save state of linker callbacks, set up to
call plugin_notice instead. Call init_non_ironly_hash here.
(plugin_call_all_symbols_read): Set plugin_multiple_definition in
plugin callbacks.
(plugin_notice): Rewrite.
(plugin_multiple_definition): Make static, call original callback.
ld/testsuite/
* ld-plugin/plugin-7.d: Adjust for plugin changes.
* ld-plugin/plugin-8.d: Likewise.
* ld-plugin/plugin.exp: Pass --verbose=2 for visibility test, and
compare ld output to..
* ld-plugin/plugin-12.d: New.
2011-04-18 01:15:13 +02:00
|
|
|
{
|
2016-03-21 17:31:46 +01:00
|
|
|
char *newfmt = concat (level == LDPL_FATAL ? "%P%F" : "%P%X",
|
|
|
|
": error: ", format, "\n",
|
|
|
|
(const char *) NULL);
|
PR ld/12365
PR ld/12672
bfd/
* bfd.c (BFD_PLUGIN): Define.
(BFD_FLAGS_SAVED, BFD_FLAGS_FOR_BFD_USE_MASK): Add BFD_PLUGIN.
* bfd-in2.h: Regenerate.
* elflink.c (elf_link_output_extsym): Strip undefined plugin syms.
* opncls.c (bfd_make_readable): Don't lose original bfd flags.
ld/
* ldfile.c (ldfile_try_open_bfd): Don't attempt any plugin action
when no_more_claiming.
* ldmain.c (add_archive_element): Likewise.
(multiple_definition): Remove plugin_multiple_definition call.
(notice): Remove plugin_notice call.
* ldlang.c (lang_list_insert_after, void lang_list_remove_tail): Move.
Delete prototype.
(plugin_insert): New static var.
(open_input_bfds): Only rescan libs after plugin insert point.
(lang_gc_sections): Omit plugin claimed files.
(lang_process): Set plugin_insert. Only rescan when plugin adds
objects.
* plugin.h (no_more_claiming): Declare.
(plugin_notice, plugin_multiple_definition): Don't declare.
* plugin.c: Formatting.
(orig_notice_all, orig_allow_multiple_defs, orig_callbacks,
plugin_callbacks): New static vars.
(no_more_claiming): Make global.
(plugin_cached_allow_multiple_defs): Delete.
(plugin_get_ir_dummy_bfd): Set SEC_EXCLUDE on dummy .text section,
use newer bfd_make_section variant. Make COMMON section too.
Error handling. Correct setting of gp size.
(asymbol_from_plugin_symbol): Properly cast last arg of concat.
(message): Likewise for ACONCAT.
(asymbol_from_plugin_symbol): Use our COMMON section.
(get_symbols): When report_plugin_symbols, show visibility too.
(init_non_ironly_hash): Move. Don't test non_ironly_hash.
(plugin_load_plugins): Save state of linker callbacks, set up to
call plugin_notice instead. Call init_non_ironly_hash here.
(plugin_call_all_symbols_read): Set plugin_multiple_definition in
plugin callbacks.
(plugin_notice): Rewrite.
(plugin_multiple_definition): Make static, call original callback.
ld/testsuite/
* ld-plugin/plugin-7.d: Adjust for plugin changes.
* ld-plugin/plugin-8.d: Likewise.
* ld-plugin/plugin.exp: Pass --verbose=2 for visibility test, and
compare ld output to..
* ld-plugin/plugin-12.d: New.
2011-04-18 01:15:13 +02:00
|
|
|
fflush (stdout);
|
|
|
|
vfinfo (stderr, newfmt, args, TRUE);
|
|
|
|
fflush (stderr);
|
2016-03-21 17:31:46 +01:00
|
|
|
free (newfmt);
|
PR ld/12365
PR ld/12672
bfd/
* bfd.c (BFD_PLUGIN): Define.
(BFD_FLAGS_SAVED, BFD_FLAGS_FOR_BFD_USE_MASK): Add BFD_PLUGIN.
* bfd-in2.h: Regenerate.
* elflink.c (elf_link_output_extsym): Strip undefined plugin syms.
* opncls.c (bfd_make_readable): Don't lose original bfd flags.
ld/
* ldfile.c (ldfile_try_open_bfd): Don't attempt any plugin action
when no_more_claiming.
* ldmain.c (add_archive_element): Likewise.
(multiple_definition): Remove plugin_multiple_definition call.
(notice): Remove plugin_notice call.
* ldlang.c (lang_list_insert_after, void lang_list_remove_tail): Move.
Delete prototype.
(plugin_insert): New static var.
(open_input_bfds): Only rescan libs after plugin insert point.
(lang_gc_sections): Omit plugin claimed files.
(lang_process): Set plugin_insert. Only rescan when plugin adds
objects.
* plugin.h (no_more_claiming): Declare.
(plugin_notice, plugin_multiple_definition): Don't declare.
* plugin.c: Formatting.
(orig_notice_all, orig_allow_multiple_defs, orig_callbacks,
plugin_callbacks): New static vars.
(no_more_claiming): Make global.
(plugin_cached_allow_multiple_defs): Delete.
(plugin_get_ir_dummy_bfd): Set SEC_EXCLUDE on dummy .text section,
use newer bfd_make_section variant. Make COMMON section too.
Error handling. Correct setting of gp size.
(asymbol_from_plugin_symbol): Properly cast last arg of concat.
(message): Likewise for ACONCAT.
(asymbol_from_plugin_symbol): Use our COMMON section.
(get_symbols): When report_plugin_symbols, show visibility too.
(init_non_ironly_hash): Move. Don't test non_ironly_hash.
(plugin_load_plugins): Save state of linker callbacks, set up to
call plugin_notice instead. Call init_non_ironly_hash here.
(plugin_call_all_symbols_read): Set plugin_multiple_definition in
plugin callbacks.
(plugin_notice): Rewrite.
(plugin_multiple_definition): Make static, call original callback.
ld/testsuite/
* ld-plugin/plugin-7.d: Adjust for plugin changes.
* ld-plugin/plugin-8.d: Likewise.
* ld-plugin/plugin.exp: Pass --verbose=2 for visibility test, and
compare ld output to..
* ld-plugin/plugin-12.d: New.
2011-04-18 01:15:13 +02:00
|
|
|
}
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
va_end (args);
|
|
|
|
return LDPS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Helper to size leading part of tv array and set it up. */
|
PR ld/13329
ld/
* plugin.c (tv_header_tags): Add LDPT_GET_SYMBOLS_V2.
(set_tv_header): Handle it. Adjust LDPT_GET_SYMBOLS. Return void.
(get_symbols): Add def_ironly_exp param. Return that value for
syms exported from shared libs.
(get_symbols_v1, get_symbols_v2): New wrapper functions.
* testplug.c: Update for above changes.
ld/testsuite/
* ld-plugin/plugin-1.d, * ld-plugin/plugin-2.d, * ld-plugin/plugin-3.d,
* ld-plugin/plugin-4.d, * ld-plugin/plugin-5.d, * ld-plugin/plugin-6.d,
* ld-plugin/plugin-7.d, * ld-plugin/plugin-8.d, * ld-plugin/plugin-9.d,
* ld-plugin/plugin-10.d, * ld-plugin/plugin-11.d: Update.
2011-10-06 12:07:17 +02:00
|
|
|
static void
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
set_tv_header (struct ld_plugin_tv *tv)
|
|
|
|
{
|
|
|
|
size_t i;
|
|
|
|
|
|
|
|
/* Version info. */
|
|
|
|
static const unsigned int major = (unsigned)(BFD_VERSION / 100000000UL);
|
|
|
|
static const unsigned int minor = (unsigned)(BFD_VERSION / 1000000UL) % 100;
|
|
|
|
|
|
|
|
for (i = 0; i < tv_header_size; i++)
|
|
|
|
{
|
|
|
|
tv[i].tv_tag = tv_header_tags[i];
|
|
|
|
#define TVU(x) tv[i].tv_u.tv_ ## x
|
|
|
|
switch (tv[i].tv_tag)
|
|
|
|
{
|
2010-11-21 21:36:25 +01:00
|
|
|
case LDPT_MESSAGE:
|
|
|
|
TVU(message) = message;
|
|
|
|
break;
|
|
|
|
case LDPT_API_VERSION:
|
|
|
|
TVU(val) = LD_PLUGIN_API_VERSION;
|
|
|
|
break;
|
|
|
|
case LDPT_GNU_LD_VERSION:
|
|
|
|
TVU(val) = major * 100 + minor;
|
|
|
|
break;
|
|
|
|
case LDPT_LINKER_OUTPUT:
|
2015-08-19 05:02:54 +02:00
|
|
|
TVU(val) = (bfd_link_relocatable (&link_info) ? LDPO_REL
|
|
|
|
: bfd_link_pde (&link_info) ? LDPO_EXEC
|
|
|
|
: bfd_link_pie (&link_info) ? LDPO_PIE
|
|
|
|
: LDPO_DYN);
|
2010-11-21 21:36:25 +01:00
|
|
|
break;
|
|
|
|
case LDPT_OUTPUT_NAME:
|
|
|
|
TVU(string) = output_filename;
|
|
|
|
break;
|
|
|
|
case LDPT_REGISTER_CLAIM_FILE_HOOK:
|
|
|
|
TVU(register_claim_file) = register_claim_file;
|
|
|
|
break;
|
|
|
|
case LDPT_REGISTER_ALL_SYMBOLS_READ_HOOK:
|
|
|
|
TVU(register_all_symbols_read) = register_all_symbols_read;
|
|
|
|
break;
|
|
|
|
case LDPT_REGISTER_CLEANUP_HOOK:
|
|
|
|
TVU(register_cleanup) = register_cleanup;
|
|
|
|
break;
|
|
|
|
case LDPT_ADD_SYMBOLS:
|
|
|
|
TVU(add_symbols) = add_symbols;
|
|
|
|
break;
|
|
|
|
case LDPT_GET_INPUT_FILE:
|
|
|
|
TVU(get_input_file) = get_input_file;
|
|
|
|
break;
|
2015-01-28 19:27:31 +01:00
|
|
|
case LDPT_GET_VIEW:
|
|
|
|
TVU(get_view) = get_view;
|
|
|
|
break;
|
2010-11-21 21:36:25 +01:00
|
|
|
case LDPT_RELEASE_INPUT_FILE:
|
|
|
|
TVU(release_input_file) = release_input_file;
|
|
|
|
break;
|
|
|
|
case LDPT_GET_SYMBOLS:
|
PR ld/13329
ld/
* plugin.c (tv_header_tags): Add LDPT_GET_SYMBOLS_V2.
(set_tv_header): Handle it. Adjust LDPT_GET_SYMBOLS. Return void.
(get_symbols): Add def_ironly_exp param. Return that value for
syms exported from shared libs.
(get_symbols_v1, get_symbols_v2): New wrapper functions.
* testplug.c: Update for above changes.
ld/testsuite/
* ld-plugin/plugin-1.d, * ld-plugin/plugin-2.d, * ld-plugin/plugin-3.d,
* ld-plugin/plugin-4.d, * ld-plugin/plugin-5.d, * ld-plugin/plugin-6.d,
* ld-plugin/plugin-7.d, * ld-plugin/plugin-8.d, * ld-plugin/plugin-9.d,
* ld-plugin/plugin-10.d, * ld-plugin/plugin-11.d: Update.
2011-10-06 12:07:17 +02:00
|
|
|
TVU(get_symbols) = get_symbols_v1;
|
|
|
|
break;
|
|
|
|
case LDPT_GET_SYMBOLS_V2:
|
|
|
|
TVU(get_symbols) = get_symbols_v2;
|
2010-11-21 21:36:25 +01:00
|
|
|
break;
|
|
|
|
case LDPT_ADD_INPUT_FILE:
|
|
|
|
TVU(add_input_file) = add_input_file;
|
|
|
|
break;
|
|
|
|
case LDPT_ADD_INPUT_LIBRARY:
|
|
|
|
TVU(add_input_library) = add_input_library;
|
|
|
|
break;
|
|
|
|
case LDPT_SET_EXTRA_LIBRARY_PATH:
|
|
|
|
TVU(set_extra_library_path) = set_extra_library_path;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
/* Added a new entry to the array without adding
|
|
|
|
a new case to set up its value is a bug. */
|
|
|
|
FAIL ();
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
}
|
|
|
|
#undef TVU
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Append the per-plugin args list and trailing LDPT_NULL to tv. */
|
|
|
|
static void
|
|
|
|
set_tv_plugin_args (plugin_t *plugin, struct ld_plugin_tv *tv)
|
|
|
|
{
|
|
|
|
plugin_arg_t *arg = plugin->args;
|
|
|
|
while (arg)
|
|
|
|
{
|
|
|
|
tv->tv_tag = LDPT_OPTION;
|
|
|
|
tv->tv_u.tv_string = arg->arg;
|
|
|
|
arg = arg->next;
|
|
|
|
tv++;
|
|
|
|
}
|
|
|
|
tv->tv_tag = LDPT_NULL;
|
|
|
|
tv->tv_u.tv_val = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Load up and initialise all plugins after argument parsing. */
|
2012-12-03 15:34:06 +01:00
|
|
|
void
|
2010-11-05 08:20:07 +01:00
|
|
|
plugin_load_plugins (void)
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
{
|
|
|
|
struct ld_plugin_tv *my_tv;
|
|
|
|
unsigned int max_args = 0;
|
|
|
|
plugin_t *curplug = plugins_list;
|
|
|
|
|
|
|
|
/* If there are no plugins, we need do nothing this run. */
|
|
|
|
if (!curplug)
|
2012-12-03 15:34:06 +01:00
|
|
|
return;
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
|
|
|
|
/* First pass over plugins to find max # args needed so that we
|
|
|
|
can size and allocate the tv array. */
|
|
|
|
while (curplug)
|
|
|
|
{
|
|
|
|
if (curplug->n_args > max_args)
|
|
|
|
max_args = curplug->n_args;
|
|
|
|
curplug = curplug->next;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Allocate tv array and initialise constant part. */
|
|
|
|
my_tv = xmalloc ((max_args + 1 + tv_header_size) * sizeof *my_tv);
|
|
|
|
set_tv_header (my_tv);
|
|
|
|
|
|
|
|
/* Pass over plugins again, activating them. */
|
|
|
|
curplug = plugins_list;
|
|
|
|
while (curplug)
|
|
|
|
{
|
|
|
|
enum ld_plugin_status rv;
|
2012-10-22 06:54:25 +02:00
|
|
|
ld_plugin_onload onloadfn;
|
|
|
|
|
|
|
|
onloadfn = (ld_plugin_onload) dlsym (curplug->dlhandle, "onload");
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
if (!onloadfn)
|
2012-10-22 06:54:25 +02:00
|
|
|
onloadfn = (ld_plugin_onload) dlsym (curplug->dlhandle, "_onload");
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
if (!onloadfn)
|
2012-12-03 15:34:06 +01:00
|
|
|
einfo (_("%P%F: %s: error loading plugin: %s\n"),
|
|
|
|
curplug->name, dlerror ());
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
set_tv_plugin_args (curplug, &my_tv[tv_header_size]);
|
|
|
|
called_plugin = curplug;
|
|
|
|
rv = (*onloadfn) (my_tv);
|
|
|
|
called_plugin = NULL;
|
|
|
|
if (rv != LDPS_OK)
|
2012-12-03 15:34:06 +01:00
|
|
|
einfo (_("%P%F: %s: plugin error: %d\n"), curplug->name, rv);
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
curplug = curplug->next;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Since plugin(s) inited ok, assume they're going to want symbol
|
|
|
|
resolutions, which needs us to track which symbols are referenced
|
|
|
|
by non-IR files using the linker's notice callback. */
|
PR ld/12365
PR ld/12672
bfd/
* bfd.c (BFD_PLUGIN): Define.
(BFD_FLAGS_SAVED, BFD_FLAGS_FOR_BFD_USE_MASK): Add BFD_PLUGIN.
* bfd-in2.h: Regenerate.
* elflink.c (elf_link_output_extsym): Strip undefined plugin syms.
* opncls.c (bfd_make_readable): Don't lose original bfd flags.
ld/
* ldfile.c (ldfile_try_open_bfd): Don't attempt any plugin action
when no_more_claiming.
* ldmain.c (add_archive_element): Likewise.
(multiple_definition): Remove plugin_multiple_definition call.
(notice): Remove plugin_notice call.
* ldlang.c (lang_list_insert_after, void lang_list_remove_tail): Move.
Delete prototype.
(plugin_insert): New static var.
(open_input_bfds): Only rescan libs after plugin insert point.
(lang_gc_sections): Omit plugin claimed files.
(lang_process): Set plugin_insert. Only rescan when plugin adds
objects.
* plugin.h (no_more_claiming): Declare.
(plugin_notice, plugin_multiple_definition): Don't declare.
* plugin.c: Formatting.
(orig_notice_all, orig_allow_multiple_defs, orig_callbacks,
plugin_callbacks): New static vars.
(no_more_claiming): Make global.
(plugin_cached_allow_multiple_defs): Delete.
(plugin_get_ir_dummy_bfd): Set SEC_EXCLUDE on dummy .text section,
use newer bfd_make_section variant. Make COMMON section too.
Error handling. Correct setting of gp size.
(asymbol_from_plugin_symbol): Properly cast last arg of concat.
(message): Likewise for ACONCAT.
(asymbol_from_plugin_symbol): Use our COMMON section.
(get_symbols): When report_plugin_symbols, show visibility too.
(init_non_ironly_hash): Move. Don't test non_ironly_hash.
(plugin_load_plugins): Save state of linker callbacks, set up to
call plugin_notice instead. Call init_non_ironly_hash here.
(plugin_call_all_symbols_read): Set plugin_multiple_definition in
plugin callbacks.
(plugin_notice): Rewrite.
(plugin_multiple_definition): Make static, call original callback.
ld/testsuite/
* ld-plugin/plugin-7.d: Adjust for plugin changes.
* ld-plugin/plugin-8.d: Likewise.
* ld-plugin/plugin.exp: Pass --verbose=2 for visibility test, and
compare ld output to..
* ld-plugin/plugin-12.d: New.
2011-04-18 01:15:13 +02:00
|
|
|
orig_notice_all = link_info.notice_all;
|
|
|
|
orig_callbacks = link_info.callbacks;
|
|
|
|
plugin_callbacks = *orig_callbacks;
|
|
|
|
plugin_callbacks.notice = &plugin_notice;
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
link_info.notice_all = TRUE;
|
2014-08-12 03:01:41 +02:00
|
|
|
link_info.lto_plugin_active = TRUE;
|
PR ld/12365
PR ld/12672
bfd/
* bfd.c (BFD_PLUGIN): Define.
(BFD_FLAGS_SAVED, BFD_FLAGS_FOR_BFD_USE_MASK): Add BFD_PLUGIN.
* bfd-in2.h: Regenerate.
* elflink.c (elf_link_output_extsym): Strip undefined plugin syms.
* opncls.c (bfd_make_readable): Don't lose original bfd flags.
ld/
* ldfile.c (ldfile_try_open_bfd): Don't attempt any plugin action
when no_more_claiming.
* ldmain.c (add_archive_element): Likewise.
(multiple_definition): Remove plugin_multiple_definition call.
(notice): Remove plugin_notice call.
* ldlang.c (lang_list_insert_after, void lang_list_remove_tail): Move.
Delete prototype.
(plugin_insert): New static var.
(open_input_bfds): Only rescan libs after plugin insert point.
(lang_gc_sections): Omit plugin claimed files.
(lang_process): Set plugin_insert. Only rescan when plugin adds
objects.
* plugin.h (no_more_claiming): Declare.
(plugin_notice, plugin_multiple_definition): Don't declare.
* plugin.c: Formatting.
(orig_notice_all, orig_allow_multiple_defs, orig_callbacks,
plugin_callbacks): New static vars.
(no_more_claiming): Make global.
(plugin_cached_allow_multiple_defs): Delete.
(plugin_get_ir_dummy_bfd): Set SEC_EXCLUDE on dummy .text section,
use newer bfd_make_section variant. Make COMMON section too.
Error handling. Correct setting of gp size.
(asymbol_from_plugin_symbol): Properly cast last arg of concat.
(message): Likewise for ACONCAT.
(asymbol_from_plugin_symbol): Use our COMMON section.
(get_symbols): When report_plugin_symbols, show visibility too.
(init_non_ironly_hash): Move. Don't test non_ironly_hash.
(plugin_load_plugins): Save state of linker callbacks, set up to
call plugin_notice instead. Call init_non_ironly_hash here.
(plugin_call_all_symbols_read): Set plugin_multiple_definition in
plugin callbacks.
(plugin_notice): Rewrite.
(plugin_multiple_definition): Make static, call original callback.
ld/testsuite/
* ld-plugin/plugin-7.d: Adjust for plugin changes.
* ld-plugin/plugin-8.d: Likewise.
* ld-plugin/plugin.exp: Pass --verbose=2 for visibility test, and
compare ld output to..
* ld-plugin/plugin-12.d: New.
2011-04-18 01:15:13 +02:00
|
|
|
link_info.callbacks = &plugin_callbacks;
|
2015-02-11 02:01:17 +01:00
|
|
|
|
2015-02-11 14:01:03 +01:00
|
|
|
register_ld_plugin_object_p (plugin_object_p);
|
|
|
|
|
2015-02-11 02:01:17 +01:00
|
|
|
#if HAVE_MMAP && HAVE_GETPAGESIZE
|
2015-04-11 21:06:33 +02:00
|
|
|
plugin_pagesize = getpagesize ();
|
2015-02-11 02:01:17 +01:00
|
|
|
#endif
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Call 'claim file' hook for all plugins. */
|
2011-04-20 02:22:08 +02:00
|
|
|
static int
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
plugin_call_claim_file (const struct ld_plugin_input_file *file, int *claimed)
|
|
|
|
{
|
|
|
|
plugin_t *curplug = plugins_list;
|
|
|
|
*claimed = FALSE;
|
|
|
|
while (curplug && !*claimed)
|
|
|
|
{
|
|
|
|
if (curplug->claim_file_handler)
|
|
|
|
{
|
ld: Restore file offset after a plugin fails to claim a file
When using the plugin interface to claim an input file the claim method
from (possible) many plugins can be called on an input file. If these
claim methods read content from the input file then the file offset
stored in the underlying file descriptor will change.
As we share a file descriptor between the plugin interface (created with
dup in ld/plugin.c:plugin_object_p) and the input bfd object, then any
changes to the file offset in the file descriptor will effect the bfd
object. Also, as the changes to the file offset did not originate from
calls through the bfd interface, but instead came from the plugin
directly, then the bfd will not be aware that the file offset has
changed. This is a problem as the bfd library caches the file offset.
If the plugin decides not to claim an input file then, currently, we
leave the bfd in a state where the actual file offset is out of sync
with the cached file offset.
This problem came to light after a recent commit
7d0b9ebc1e0079271a7c7737b53bc026525eab64 (Don't include libbfd.h outside
of bfd, part 6) however, I don't believe that commit actual introduces
the bug, it just exposed the existing issue.
This commit solves the problem by backing up and restoring the file
offset for the file descriptor of the input file. The restore is only
done if the plugin does not claim the input file, as it is in this case
that the bfd library might be used again to try and identify the
unclaimed file.
ld/ChangeLog:
* plugin.c (plugin_call_claim_file): Restore the file offset after
an unsuccessful attempt to claim a file.
* testplug.c (bytes_to_read_before_claim): New global.
(record_read_length): New function, sets new global
bytes_to_read_before_claim.
(parse_option): Handle 'read:<NUMBER>' option.
(onclaim_file): Read file content before checking for claim.
* testsuite/ld-plugin/plugin-30.d: New file.
* testsuite/ld-plugin/plugin.exp: Add new test.
2016-07-18 22:00:00 +02:00
|
|
|
off_t cur_offset;
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
enum ld_plugin_status rv;
|
ld: Restore file offset after a plugin fails to claim a file
When using the plugin interface to claim an input file the claim method
from (possible) many plugins can be called on an input file. If these
claim methods read content from the input file then the file offset
stored in the underlying file descriptor will change.
As we share a file descriptor between the plugin interface (created with
dup in ld/plugin.c:plugin_object_p) and the input bfd object, then any
changes to the file offset in the file descriptor will effect the bfd
object. Also, as the changes to the file offset did not originate from
calls through the bfd interface, but instead came from the plugin
directly, then the bfd will not be aware that the file offset has
changed. This is a problem as the bfd library caches the file offset.
If the plugin decides not to claim an input file then, currently, we
leave the bfd in a state where the actual file offset is out of sync
with the cached file offset.
This problem came to light after a recent commit
7d0b9ebc1e0079271a7c7737b53bc026525eab64 (Don't include libbfd.h outside
of bfd, part 6) however, I don't believe that commit actual introduces
the bug, it just exposed the existing issue.
This commit solves the problem by backing up and restoring the file
offset for the file descriptor of the input file. The restore is only
done if the plugin does not claim the input file, as it is in this case
that the bfd library might be used again to try and identify the
unclaimed file.
ld/ChangeLog:
* plugin.c (plugin_call_claim_file): Restore the file offset after
an unsuccessful attempt to claim a file.
* testplug.c (bytes_to_read_before_claim): New global.
(record_read_length): New function, sets new global
bytes_to_read_before_claim.
(parse_option): Handle 'read:<NUMBER>' option.
(onclaim_file): Read file content before checking for claim.
* testsuite/ld-plugin/plugin-30.d: New file.
* testsuite/ld-plugin/plugin.exp: Add new test.
2016-07-18 22:00:00 +02:00
|
|
|
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
called_plugin = curplug;
|
ld: Restore file offset after a plugin fails to claim a file
When using the plugin interface to claim an input file the claim method
from (possible) many plugins can be called on an input file. If these
claim methods read content from the input file then the file offset
stored in the underlying file descriptor will change.
As we share a file descriptor between the plugin interface (created with
dup in ld/plugin.c:plugin_object_p) and the input bfd object, then any
changes to the file offset in the file descriptor will effect the bfd
object. Also, as the changes to the file offset did not originate from
calls through the bfd interface, but instead came from the plugin
directly, then the bfd will not be aware that the file offset has
changed. This is a problem as the bfd library caches the file offset.
If the plugin decides not to claim an input file then, currently, we
leave the bfd in a state where the actual file offset is out of sync
with the cached file offset.
This problem came to light after a recent commit
7d0b9ebc1e0079271a7c7737b53bc026525eab64 (Don't include libbfd.h outside
of bfd, part 6) however, I don't believe that commit actual introduces
the bug, it just exposed the existing issue.
This commit solves the problem by backing up and restoring the file
offset for the file descriptor of the input file. The restore is only
done if the plugin does not claim the input file, as it is in this case
that the bfd library might be used again to try and identify the
unclaimed file.
ld/ChangeLog:
* plugin.c (plugin_call_claim_file): Restore the file offset after
an unsuccessful attempt to claim a file.
* testplug.c (bytes_to_read_before_claim): New global.
(record_read_length): New function, sets new global
bytes_to_read_before_claim.
(parse_option): Handle 'read:<NUMBER>' option.
(onclaim_file): Read file content before checking for claim.
* testsuite/ld-plugin/plugin-30.d: New file.
* testsuite/ld-plugin/plugin.exp: Add new test.
2016-07-18 22:00:00 +02:00
|
|
|
cur_offset = lseek (file->fd, 0, SEEK_CUR);
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
rv = (*curplug->claim_file_handler) (file, claimed);
|
ld: Restore file offset after a plugin fails to claim a file
When using the plugin interface to claim an input file the claim method
from (possible) many plugins can be called on an input file. If these
claim methods read content from the input file then the file offset
stored in the underlying file descriptor will change.
As we share a file descriptor between the plugin interface (created with
dup in ld/plugin.c:plugin_object_p) and the input bfd object, then any
changes to the file offset in the file descriptor will effect the bfd
object. Also, as the changes to the file offset did not originate from
calls through the bfd interface, but instead came from the plugin
directly, then the bfd will not be aware that the file offset has
changed. This is a problem as the bfd library caches the file offset.
If the plugin decides not to claim an input file then, currently, we
leave the bfd in a state where the actual file offset is out of sync
with the cached file offset.
This problem came to light after a recent commit
7d0b9ebc1e0079271a7c7737b53bc026525eab64 (Don't include libbfd.h outside
of bfd, part 6) however, I don't believe that commit actual introduces
the bug, it just exposed the existing issue.
This commit solves the problem by backing up and restoring the file
offset for the file descriptor of the input file. The restore is only
done if the plugin does not claim the input file, as it is in this case
that the bfd library might be used again to try and identify the
unclaimed file.
ld/ChangeLog:
* plugin.c (plugin_call_claim_file): Restore the file offset after
an unsuccessful attempt to claim a file.
* testplug.c (bytes_to_read_before_claim): New global.
(record_read_length): New function, sets new global
bytes_to_read_before_claim.
(parse_option): Handle 'read:<NUMBER>' option.
(onclaim_file): Read file content before checking for claim.
* testsuite/ld-plugin/plugin-30.d: New file.
* testsuite/ld-plugin/plugin.exp: Add new test.
2016-07-18 22:00:00 +02:00
|
|
|
if (!*claimed)
|
|
|
|
lseek (file->fd, cur_offset, SEEK_SET);
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
called_plugin = NULL;
|
|
|
|
if (rv != LDPS_OK)
|
|
|
|
set_plugin_error (curplug->name);
|
|
|
|
}
|
|
|
|
curplug = curplug->next;
|
|
|
|
}
|
|
|
|
return plugin_error_p () ? -1 : 0;
|
|
|
|
}
|
|
|
|
|
2015-02-07 20:01:22 +01:00
|
|
|
/* Duplicates a character string with memory attached to ABFD. */
|
|
|
|
|
|
|
|
static char *
|
|
|
|
plugin_strdup (bfd *abfd, const char *str)
|
|
|
|
{
|
|
|
|
size_t strlength;
|
|
|
|
char *copy;
|
|
|
|
strlength = strlen (str) + 1;
|
|
|
|
copy = bfd_alloc (abfd, strlength);
|
|
|
|
if (copy == NULL)
|
|
|
|
einfo (_("%P%F: plugin_strdup failed to allocate memory: %s\n"),
|
|
|
|
bfd_get_error ());
|
|
|
|
memcpy (copy, str, strlength);
|
|
|
|
return copy;
|
|
|
|
}
|
|
|
|
|
2015-02-11 14:01:03 +01:00
|
|
|
static const bfd_target *
|
|
|
|
plugin_object_p (bfd *ibfd)
|
2011-04-20 02:22:08 +02:00
|
|
|
{
|
2015-02-11 14:01:03 +01:00
|
|
|
int claimed;
|
2015-02-05 14:00:52 +01:00
|
|
|
plugin_input_file_t *input;
|
2015-02-07 20:01:22 +01:00
|
|
|
struct ld_plugin_input_file file;
|
|
|
|
bfd *abfd;
|
2015-02-11 14:01:03 +01:00
|
|
|
|
|
|
|
/* Don't try the dummy object file. */
|
|
|
|
if ((ibfd->flags & BFD_PLUGIN) != 0)
|
|
|
|
return NULL;
|
|
|
|
|
2016-06-18 23:15:31 +02:00
|
|
|
if (ibfd->plugin_format != bfd_plugin_unknown)
|
2015-02-11 14:01:03 +01:00
|
|
|
{
|
|
|
|
if (ibfd->plugin_format == bfd_plugin_yes)
|
|
|
|
return ibfd->plugin_dummy_bfd->xvec;
|
|
|
|
else
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2011-04-20 02:22:08 +02:00
|
|
|
/* We create a dummy BFD, initially empty, to house whatever symbols
|
|
|
|
the plugin may want to add. */
|
2015-02-07 20:01:22 +01:00
|
|
|
abfd = plugin_get_ir_dummy_bfd (ibfd->filename, ibfd);
|
2015-02-05 14:00:52 +01:00
|
|
|
|
|
|
|
input = bfd_alloc (abfd, sizeof (*input));
|
|
|
|
if (input == NULL)
|
|
|
|
einfo (_("%P%F: plugin failed to allocate memory for input: %s\n"),
|
|
|
|
bfd_get_error ());
|
|
|
|
|
2016-07-16 06:02:16 +02:00
|
|
|
if (!bfd_plugin_open_input (ibfd, &file))
|
|
|
|
return NULL;
|
2015-02-07 20:01:22 +01:00
|
|
|
|
2016-07-16 06:02:16 +02:00
|
|
|
if (file.name == ibfd->filename)
|
|
|
|
{
|
2015-02-07 20:01:22 +01:00
|
|
|
/* We must copy filename attached to ibfd if it is not an archive
|
|
|
|
member since it may be freed by bfd_close below. */
|
2016-07-16 06:02:16 +02:00
|
|
|
file.name = plugin_strdup (abfd, file.name);
|
2015-02-07 20:01:22 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
file.handle = input;
|
2016-07-16 06:02:16 +02:00
|
|
|
/* The plugin API expects that the file descriptor won't be closed
|
|
|
|
and reused as done by the bfd file cache. So dup one. */
|
|
|
|
file.fd = dup (file.fd);
|
|
|
|
if (file.fd < 0)
|
|
|
|
return NULL;
|
2015-02-07 20:01:22 +01:00
|
|
|
|
2015-02-05 14:00:52 +01:00
|
|
|
input->abfd = abfd;
|
2015-02-06 18:05:35 +01:00
|
|
|
input->view_buffer.addr = NULL;
|
|
|
|
input->view_buffer.filesize = 0;
|
|
|
|
input->view_buffer.offset = 0;
|
2016-07-16 06:02:16 +02:00
|
|
|
input->fd = file.fd;
|
2015-02-11 04:02:07 +01:00
|
|
|
input->use_mmap = FALSE;
|
2016-07-16 06:02:16 +02:00
|
|
|
input->offset = file.offset;
|
|
|
|
input->filesize = file.filesize;
|
2015-02-07 20:01:22 +01:00
|
|
|
input->name = plugin_strdup (abfd, ibfd->filename);
|
2015-02-05 14:00:52 +01:00
|
|
|
|
2015-02-11 14:01:03 +01:00
|
|
|
claimed = 0;
|
|
|
|
|
2015-02-07 20:01:22 +01:00
|
|
|
if (plugin_call_claim_file (&file, &claimed))
|
2011-04-20 02:22:08 +02:00
|
|
|
einfo (_("%P%F: %s: plugin reported error claiming file\n"),
|
|
|
|
plugin_error_plugin ());
|
2015-02-05 14:00:52 +01:00
|
|
|
|
2016-07-16 06:02:16 +02:00
|
|
|
if (input->fd != -1 && !bfd_plugin_target_p (ibfd->xvec))
|
2015-02-05 14:00:52 +01:00
|
|
|
{
|
2015-02-11 14:01:03 +01:00
|
|
|
/* FIXME: fd belongs to us, not the plugin. GCC plugin, which
|
|
|
|
doesn't need fd after plugin_call_claim_file, doesn't use
|
|
|
|
BFD plugin target vector. Since GCC plugin doesn't call
|
|
|
|
release_input_file, we close it here. LLVM plugin, which
|
|
|
|
needs fd after plugin_call_claim_file and calls
|
|
|
|
release_input_file after it is done, uses BFD plugin target
|
|
|
|
vector. This scheme doesn't work when a plugin needs fd and
|
|
|
|
doesn't use BFD plugin target vector neither. */
|
2016-07-16 06:02:16 +02:00
|
|
|
close (input->fd);
|
2015-02-05 14:00:52 +01:00
|
|
|
input->fd = -1;
|
|
|
|
}
|
|
|
|
|
2011-04-20 02:22:08 +02:00
|
|
|
if (claimed)
|
|
|
|
{
|
2015-02-11 14:01:03 +01:00
|
|
|
ibfd->plugin_format = bfd_plugin_yes;
|
|
|
|
ibfd->plugin_dummy_bfd = abfd;
|
2015-02-07 20:01:22 +01:00
|
|
|
bfd_make_readable (abfd);
|
2015-02-11 14:01:03 +01:00
|
|
|
return abfd->xvec;
|
2011-04-20 02:22:08 +02:00
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
2015-02-11 02:01:17 +01:00
|
|
|
#if HAVE_MMAP
|
|
|
|
if (input->use_mmap)
|
|
|
|
{
|
|
|
|
/* If plugin didn't claim the file, unmap the buffer. */
|
|
|
|
char *addr = input->view_buffer.addr;
|
|
|
|
off_t size = input->view_buffer.filesize;
|
|
|
|
# if HAVE_GETPAGESIZE
|
|
|
|
off_t bias = input->view_buffer.offset % plugin_pagesize;
|
|
|
|
size += bias;
|
|
|
|
addr -= bias;
|
|
|
|
# endif
|
|
|
|
munmap (addr, size);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2011-04-20 02:22:08 +02:00
|
|
|
/* If plugin didn't claim the file, we don't need the dummy bfd.
|
|
|
|
Can't avoid speculatively creating it, alas. */
|
2015-02-11 14:01:03 +01:00
|
|
|
ibfd->plugin_format = bfd_plugin_no;
|
2015-02-05 14:00:52 +01:00
|
|
|
bfd_close_all_done (abfd);
|
2015-02-11 14:01:03 +01:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
plugin_maybe_claim (lang_input_statement_type *entry)
|
|
|
|
{
|
2016-10-31 10:44:18 +01:00
|
|
|
ASSERT (entry->header.type == lang_input_statement_enum);
|
2015-02-11 14:01:03 +01:00
|
|
|
if (plugin_object_p (entry->the_bfd))
|
|
|
|
{
|
|
|
|
bfd *abfd = entry->the_bfd->plugin_dummy_bfd;
|
|
|
|
|
|
|
|
/* Discard the real file's BFD and substitute the dummy one. */
|
|
|
|
|
2016-06-14 05:42:00 +02:00
|
|
|
/* We can't call bfd_close on archives. BFD archive handling
|
|
|
|
caches elements, and add_archive_element keeps pointers to
|
|
|
|
the_bfd and the_bfd->filename in a lang_input_statement_type
|
|
|
|
linker script statement. */
|
2015-02-11 14:01:03 +01:00
|
|
|
if (entry->the_bfd->my_archive == NULL)
|
|
|
|
bfd_close (entry->the_bfd);
|
|
|
|
entry->the_bfd = abfd;
|
|
|
|
entry->flags.claimed = 1;
|
2011-04-20 02:22:08 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
/* Call 'all symbols read' hook for all plugins. */
|
|
|
|
int
|
|
|
|
plugin_call_all_symbols_read (void)
|
|
|
|
{
|
|
|
|
plugin_t *curplug = plugins_list;
|
|
|
|
|
|
|
|
/* Disable any further file-claiming. */
|
|
|
|
no_more_claiming = TRUE;
|
|
|
|
|
|
|
|
while (curplug)
|
|
|
|
{
|
|
|
|
if (curplug->all_symbols_read_handler)
|
|
|
|
{
|
|
|
|
enum ld_plugin_status rv;
|
|
|
|
called_plugin = curplug;
|
|
|
|
rv = (*curplug->all_symbols_read_handler) ();
|
|
|
|
called_plugin = NULL;
|
|
|
|
if (rv != LDPS_OK)
|
|
|
|
set_plugin_error (curplug->name);
|
|
|
|
}
|
|
|
|
curplug = curplug->next;
|
|
|
|
}
|
|
|
|
return plugin_error_p () ? -1 : 0;
|
|
|
|
}
|
|
|
|
|
2010-12-06 13:44:51 +01:00
|
|
|
/* Call 'cleanup' hook for all plugins at exit. */
|
2011-02-14 10:53:15 +01:00
|
|
|
void
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
plugin_call_cleanup (void)
|
|
|
|
{
|
|
|
|
plugin_t *curplug = plugins_list;
|
|
|
|
while (curplug)
|
|
|
|
{
|
|
|
|
if (curplug->cleanup_handler && !curplug->cleanup_done)
|
|
|
|
{
|
|
|
|
enum ld_plugin_status rv;
|
|
|
|
curplug->cleanup_done = TRUE;
|
|
|
|
called_plugin = curplug;
|
|
|
|
rv = (*curplug->cleanup_handler) ();
|
|
|
|
called_plugin = NULL;
|
|
|
|
if (rv != LDPS_OK)
|
2012-12-03 15:34:06 +01:00
|
|
|
info_msg (_("%P: %s: error in plugin cleanup: %d (ignored)\n"),
|
|
|
|
curplug->name, rv);
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
dlclose (curplug->dlhandle);
|
|
|
|
}
|
|
|
|
curplug = curplug->next;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* To determine which symbols should be resolved LDPR_PREVAILING_DEF
|
|
|
|
and which LDPR_PREVAILING_DEF_IRONLY, we notice all the symbols as
|
2011-04-24 12:02:14 +02:00
|
|
|
the linker adds them to the linker hash table. Mark those
|
|
|
|
referenced from a non-IR file with non_ir_ref. We have to
|
|
|
|
notice_all symbols, because we won't necessarily know until later
|
|
|
|
which ones will be contributed by IR files. */
|
PR ld/12365
PR ld/12672
bfd/
* bfd.c (BFD_PLUGIN): Define.
(BFD_FLAGS_SAVED, BFD_FLAGS_FOR_BFD_USE_MASK): Add BFD_PLUGIN.
* bfd-in2.h: Regenerate.
* elflink.c (elf_link_output_extsym): Strip undefined plugin syms.
* opncls.c (bfd_make_readable): Don't lose original bfd flags.
ld/
* ldfile.c (ldfile_try_open_bfd): Don't attempt any plugin action
when no_more_claiming.
* ldmain.c (add_archive_element): Likewise.
(multiple_definition): Remove plugin_multiple_definition call.
(notice): Remove plugin_notice call.
* ldlang.c (lang_list_insert_after, void lang_list_remove_tail): Move.
Delete prototype.
(plugin_insert): New static var.
(open_input_bfds): Only rescan libs after plugin insert point.
(lang_gc_sections): Omit plugin claimed files.
(lang_process): Set plugin_insert. Only rescan when plugin adds
objects.
* plugin.h (no_more_claiming): Declare.
(plugin_notice, plugin_multiple_definition): Don't declare.
* plugin.c: Formatting.
(orig_notice_all, orig_allow_multiple_defs, orig_callbacks,
plugin_callbacks): New static vars.
(no_more_claiming): Make global.
(plugin_cached_allow_multiple_defs): Delete.
(plugin_get_ir_dummy_bfd): Set SEC_EXCLUDE on dummy .text section,
use newer bfd_make_section variant. Make COMMON section too.
Error handling. Correct setting of gp size.
(asymbol_from_plugin_symbol): Properly cast last arg of concat.
(message): Likewise for ACONCAT.
(asymbol_from_plugin_symbol): Use our COMMON section.
(get_symbols): When report_plugin_symbols, show visibility too.
(init_non_ironly_hash): Move. Don't test non_ironly_hash.
(plugin_load_plugins): Save state of linker callbacks, set up to
call plugin_notice instead. Call init_non_ironly_hash here.
(plugin_call_all_symbols_read): Set plugin_multiple_definition in
plugin callbacks.
(plugin_notice): Rewrite.
(plugin_multiple_definition): Make static, call original callback.
ld/testsuite/
* ld-plugin/plugin-7.d: Adjust for plugin changes.
* ld-plugin/plugin-8.d: Likewise.
* ld-plugin/plugin.exp: Pass --verbose=2 for visibility test, and
compare ld output to..
* ld-plugin/plugin-12.d: New.
2011-04-18 01:15:13 +02:00
|
|
|
static bfd_boolean
|
|
|
|
plugin_notice (struct bfd_link_info *info,
|
2011-04-24 12:02:14 +02:00
|
|
|
struct bfd_link_hash_entry *h,
|
2014-08-12 03:13:33 +02:00
|
|
|
struct bfd_link_hash_entry *inh,
|
PR ld/12365
PR ld/12672
bfd/
* bfd.c (BFD_PLUGIN): Define.
(BFD_FLAGS_SAVED, BFD_FLAGS_FOR_BFD_USE_MASK): Add BFD_PLUGIN.
* bfd-in2.h: Regenerate.
* elflink.c (elf_link_output_extsym): Strip undefined plugin syms.
* opncls.c (bfd_make_readable): Don't lose original bfd flags.
ld/
* ldfile.c (ldfile_try_open_bfd): Don't attempt any plugin action
when no_more_claiming.
* ldmain.c (add_archive_element): Likewise.
(multiple_definition): Remove plugin_multiple_definition call.
(notice): Remove plugin_notice call.
* ldlang.c (lang_list_insert_after, void lang_list_remove_tail): Move.
Delete prototype.
(plugin_insert): New static var.
(open_input_bfds): Only rescan libs after plugin insert point.
(lang_gc_sections): Omit plugin claimed files.
(lang_process): Set plugin_insert. Only rescan when plugin adds
objects.
* plugin.h (no_more_claiming): Declare.
(plugin_notice, plugin_multiple_definition): Don't declare.
* plugin.c: Formatting.
(orig_notice_all, orig_allow_multiple_defs, orig_callbacks,
plugin_callbacks): New static vars.
(no_more_claiming): Make global.
(plugin_cached_allow_multiple_defs): Delete.
(plugin_get_ir_dummy_bfd): Set SEC_EXCLUDE on dummy .text section,
use newer bfd_make_section variant. Make COMMON section too.
Error handling. Correct setting of gp size.
(asymbol_from_plugin_symbol): Properly cast last arg of concat.
(message): Likewise for ACONCAT.
(asymbol_from_plugin_symbol): Use our COMMON section.
(get_symbols): When report_plugin_symbols, show visibility too.
(init_non_ironly_hash): Move. Don't test non_ironly_hash.
(plugin_load_plugins): Save state of linker callbacks, set up to
call plugin_notice instead. Call init_non_ironly_hash here.
(plugin_call_all_symbols_read): Set plugin_multiple_definition in
plugin callbacks.
(plugin_notice): Rewrite.
(plugin_multiple_definition): Make static, call original callback.
ld/testsuite/
* ld-plugin/plugin-7.d: Adjust for plugin changes.
* ld-plugin/plugin-8.d: Likewise.
* ld-plugin/plugin.exp: Pass --verbose=2 for visibility test, and
compare ld output to..
* ld-plugin/plugin-12.d: New.
2011-04-18 01:15:13 +02:00
|
|
|
bfd *abfd,
|
|
|
|
asection *section,
|
2011-05-17 15:02:18 +02:00
|
|
|
bfd_vma value,
|
2014-08-12 03:13:33 +02:00
|
|
|
flagword flags)
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
{
|
2014-08-12 03:13:33 +02:00
|
|
|
struct bfd_link_hash_entry *orig_h = h;
|
|
|
|
|
2011-04-24 12:02:14 +02:00
|
|
|
if (h != NULL)
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
{
|
2011-05-16 02:58:11 +02:00
|
|
|
bfd *sym_bfd;
|
|
|
|
|
2014-08-12 03:13:33 +02:00
|
|
|
if (h->type == bfd_link_hash_warning)
|
|
|
|
h = h->u.i.link;
|
|
|
|
|
2013-02-16 18:50:20 +01:00
|
|
|
/* Nothing to do here if this def/ref is from an IR dummy BFD. */
|
PR ld/12365
PR ld/12672
bfd/
* bfd.c (BFD_PLUGIN): Define.
(BFD_FLAGS_SAVED, BFD_FLAGS_FOR_BFD_USE_MASK): Add BFD_PLUGIN.
* bfd-in2.h: Regenerate.
* elflink.c (elf_link_output_extsym): Strip undefined plugin syms.
* opncls.c (bfd_make_readable): Don't lose original bfd flags.
ld/
* ldfile.c (ldfile_try_open_bfd): Don't attempt any plugin action
when no_more_claiming.
* ldmain.c (add_archive_element): Likewise.
(multiple_definition): Remove plugin_multiple_definition call.
(notice): Remove plugin_notice call.
* ldlang.c (lang_list_insert_after, void lang_list_remove_tail): Move.
Delete prototype.
(plugin_insert): New static var.
(open_input_bfds): Only rescan libs after plugin insert point.
(lang_gc_sections): Omit plugin claimed files.
(lang_process): Set plugin_insert. Only rescan when plugin adds
objects.
* plugin.h (no_more_claiming): Declare.
(plugin_notice, plugin_multiple_definition): Don't declare.
* plugin.c: Formatting.
(orig_notice_all, orig_allow_multiple_defs, orig_callbacks,
plugin_callbacks): New static vars.
(no_more_claiming): Make global.
(plugin_cached_allow_multiple_defs): Delete.
(plugin_get_ir_dummy_bfd): Set SEC_EXCLUDE on dummy .text section,
use newer bfd_make_section variant. Make COMMON section too.
Error handling. Correct setting of gp size.
(asymbol_from_plugin_symbol): Properly cast last arg of concat.
(message): Likewise for ACONCAT.
(asymbol_from_plugin_symbol): Use our COMMON section.
(get_symbols): When report_plugin_symbols, show visibility too.
(init_non_ironly_hash): Move. Don't test non_ironly_hash.
(plugin_load_plugins): Save state of linker callbacks, set up to
call plugin_notice instead. Call init_non_ironly_hash here.
(plugin_call_all_symbols_read): Set plugin_multiple_definition in
plugin callbacks.
(plugin_notice): Rewrite.
(plugin_multiple_definition): Make static, call original callback.
ld/testsuite/
* ld-plugin/plugin-7.d: Adjust for plugin changes.
* ld-plugin/plugin-8.d: Likewise.
* ld-plugin/plugin.exp: Pass --verbose=2 for visibility test, and
compare ld output to..
* ld-plugin/plugin-12.d: New.
2011-04-18 01:15:13 +02:00
|
|
|
if (is_ir_dummy_bfd (abfd))
|
2013-02-16 18:50:20 +01:00
|
|
|
;
|
PR ld/12365
PR ld/12672
bfd/
* bfd.c (BFD_PLUGIN): Define.
(BFD_FLAGS_SAVED, BFD_FLAGS_FOR_BFD_USE_MASK): Add BFD_PLUGIN.
* bfd-in2.h: Regenerate.
* elflink.c (elf_link_output_extsym): Strip undefined plugin syms.
* opncls.c (bfd_make_readable): Don't lose original bfd flags.
ld/
* ldfile.c (ldfile_try_open_bfd): Don't attempt any plugin action
when no_more_claiming.
* ldmain.c (add_archive_element): Likewise.
(multiple_definition): Remove plugin_multiple_definition call.
(notice): Remove plugin_notice call.
* ldlang.c (lang_list_insert_after, void lang_list_remove_tail): Move.
Delete prototype.
(plugin_insert): New static var.
(open_input_bfds): Only rescan libs after plugin insert point.
(lang_gc_sections): Omit plugin claimed files.
(lang_process): Set plugin_insert. Only rescan when plugin adds
objects.
* plugin.h (no_more_claiming): Declare.
(plugin_notice, plugin_multiple_definition): Don't declare.
* plugin.c: Formatting.
(orig_notice_all, orig_allow_multiple_defs, orig_callbacks,
plugin_callbacks): New static vars.
(no_more_claiming): Make global.
(plugin_cached_allow_multiple_defs): Delete.
(plugin_get_ir_dummy_bfd): Set SEC_EXCLUDE on dummy .text section,
use newer bfd_make_section variant. Make COMMON section too.
Error handling. Correct setting of gp size.
(asymbol_from_plugin_symbol): Properly cast last arg of concat.
(message): Likewise for ACONCAT.
(asymbol_from_plugin_symbol): Use our COMMON section.
(get_symbols): When report_plugin_symbols, show visibility too.
(init_non_ironly_hash): Move. Don't test non_ironly_hash.
(plugin_load_plugins): Save state of linker callbacks, set up to
call plugin_notice instead. Call init_non_ironly_hash here.
(plugin_call_all_symbols_read): Set plugin_multiple_definition in
plugin callbacks.
(plugin_notice): Rewrite.
(plugin_multiple_definition): Make static, call original callback.
ld/testsuite/
* ld-plugin/plugin-7.d: Adjust for plugin changes.
* ld-plugin/plugin-8.d: Likewise.
* ld-plugin/plugin.exp: Pass --verbose=2 for visibility test, and
compare ld output to..
* ld-plugin/plugin-12.d: New.
2011-04-18 01:15:13 +02:00
|
|
|
|
2011-05-17 15:02:18 +02:00
|
|
|
/* Making an indirect symbol counts as a reference unless this
|
|
|
|
is a brand new symbol. */
|
2013-02-16 18:50:20 +01:00
|
|
|
else if (bfd_is_ind_section (section)
|
|
|
|
|| (flags & BSF_INDIRECT) != 0)
|
2011-05-17 15:02:18 +02:00
|
|
|
{
|
2014-08-12 03:13:33 +02:00
|
|
|
/* ??? Some of this is questionable. See comments in
|
|
|
|
_bfd_generic_link_add_one_symbol for case IND. */
|
2011-05-17 15:02:18 +02:00
|
|
|
if (h->type != bfd_link_hash_new)
|
|
|
|
{
|
|
|
|
h->non_ir_ref = TRUE;
|
2014-08-12 03:13:33 +02:00
|
|
|
inh->non_ir_ref = TRUE;
|
2011-05-17 15:02:18 +02:00
|
|
|
}
|
2014-08-12 03:13:33 +02:00
|
|
|
else if (inh->type == bfd_link_hash_new)
|
|
|
|
inh->non_ir_ref = TRUE;
|
2011-05-17 15:02:18 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Nothing to do here for warning symbols. */
|
|
|
|
else if ((flags & BSF_WARNING) != 0)
|
|
|
|
;
|
|
|
|
|
|
|
|
/* Nothing to do here for constructor symbols. */
|
|
|
|
else if ((flags & BSF_CONSTRUCTOR) != 0)
|
|
|
|
;
|
|
|
|
|
2011-04-24 12:02:14 +02:00
|
|
|
/* If this is a ref, set non_ir_ref. */
|
2011-05-17 15:02:18 +02:00
|
|
|
else if (bfd_is_und_section (section))
|
2013-02-16 18:54:37 +01:00
|
|
|
{
|
|
|
|
/* Replace the undefined dummy bfd with the real one. */
|
|
|
|
if ((h->type == bfd_link_hash_undefined
|
|
|
|
|| h->type == bfd_link_hash_undefweak)
|
2013-02-19 04:59:08 +01:00
|
|
|
&& (h->u.undef.abfd == NULL
|
|
|
|
|| (h->u.undef.abfd->flags & BFD_PLUGIN) != 0))
|
2013-02-16 18:54:37 +01:00
|
|
|
h->u.undef.abfd = abfd;
|
|
|
|
h->non_ir_ref = TRUE;
|
|
|
|
}
|
2011-04-24 12:02:14 +02:00
|
|
|
|
2016-06-20 02:23:50 +02:00
|
|
|
/* Otherwise, it must be a new def. */
|
|
|
|
else
|
2011-05-16 02:58:11 +02:00
|
|
|
{
|
2016-06-20 02:23:50 +02:00
|
|
|
/* A common symbol should be merged with other commons or
|
|
|
|
defs with the same name. In particular, a common ought
|
|
|
|
to be overridden by a def in a -flto object. In that
|
|
|
|
sense a common is also a ref. */
|
|
|
|
if (bfd_is_com_section (section))
|
|
|
|
h->non_ir_ref = TRUE;
|
|
|
|
|
|
|
|
/* Ensure any symbol defined in an IR dummy BFD takes on a
|
|
|
|
new value from a real BFD. Weak symbols are not normally
|
|
|
|
overridden by a new weak definition, and strong symbols
|
|
|
|
will normally cause multiple definition errors. Avoid
|
|
|
|
this by making the symbol appear to be undefined. */
|
|
|
|
if (((h->type == bfd_link_hash_defweak
|
|
|
|
|| h->type == bfd_link_hash_defined)
|
|
|
|
&& is_ir_dummy_bfd (sym_bfd = h->u.def.section->owner))
|
|
|
|
|| (h->type == bfd_link_hash_common
|
|
|
|
&& is_ir_dummy_bfd (sym_bfd = h->u.c.p->section->owner)))
|
|
|
|
{
|
|
|
|
h->type = bfd_link_hash_undefweak;
|
|
|
|
h->u.undef.abfd = sym_bfd;
|
|
|
|
}
|
2011-05-16 02:58:11 +02:00
|
|
|
}
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Continue with cref/nocrossref/trace-sym processing. */
|
2014-08-12 03:13:33 +02:00
|
|
|
if (orig_h == NULL
|
PR ld/12365
PR ld/12672
bfd/
* bfd.c (BFD_PLUGIN): Define.
(BFD_FLAGS_SAVED, BFD_FLAGS_FOR_BFD_USE_MASK): Add BFD_PLUGIN.
* bfd-in2.h: Regenerate.
* elflink.c (elf_link_output_extsym): Strip undefined plugin syms.
* opncls.c (bfd_make_readable): Don't lose original bfd flags.
ld/
* ldfile.c (ldfile_try_open_bfd): Don't attempt any plugin action
when no_more_claiming.
* ldmain.c (add_archive_element): Likewise.
(multiple_definition): Remove plugin_multiple_definition call.
(notice): Remove plugin_notice call.
* ldlang.c (lang_list_insert_after, void lang_list_remove_tail): Move.
Delete prototype.
(plugin_insert): New static var.
(open_input_bfds): Only rescan libs after plugin insert point.
(lang_gc_sections): Omit plugin claimed files.
(lang_process): Set plugin_insert. Only rescan when plugin adds
objects.
* plugin.h (no_more_claiming): Declare.
(plugin_notice, plugin_multiple_definition): Don't declare.
* plugin.c: Formatting.
(orig_notice_all, orig_allow_multiple_defs, orig_callbacks,
plugin_callbacks): New static vars.
(no_more_claiming): Make global.
(plugin_cached_allow_multiple_defs): Delete.
(plugin_get_ir_dummy_bfd): Set SEC_EXCLUDE on dummy .text section,
use newer bfd_make_section variant. Make COMMON section too.
Error handling. Correct setting of gp size.
(asymbol_from_plugin_symbol): Properly cast last arg of concat.
(message): Likewise for ACONCAT.
(asymbol_from_plugin_symbol): Use our COMMON section.
(get_symbols): When report_plugin_symbols, show visibility too.
(init_non_ironly_hash): Move. Don't test non_ironly_hash.
(plugin_load_plugins): Save state of linker callbacks, set up to
call plugin_notice instead. Call init_non_ironly_hash here.
(plugin_call_all_symbols_read): Set plugin_multiple_definition in
plugin callbacks.
(plugin_notice): Rewrite.
(plugin_multiple_definition): Make static, call original callback.
ld/testsuite/
* ld-plugin/plugin-7.d: Adjust for plugin changes.
* ld-plugin/plugin-8.d: Likewise.
* ld-plugin/plugin.exp: Pass --verbose=2 for visibility test, and
compare ld output to..
* ld-plugin/plugin-12.d: New.
2011-04-18 01:15:13 +02:00
|
|
|
|| orig_notice_all
|
|
|
|
|| (info->notice_hash != NULL
|
2014-08-12 03:13:33 +02:00
|
|
|
&& bfd_hash_lookup (info->notice_hash, orig_h->root.string,
|
2011-04-24 12:02:14 +02:00
|
|
|
FALSE, FALSE) != NULL))
|
2014-08-12 03:13:33 +02:00
|
|
|
return (*orig_callbacks->notice) (info, orig_h, inh,
|
|
|
|
abfd, section, value, flags);
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 03:31:33 +02:00
|
|
|
return TRUE;
|
|
|
|
}
|