1999-05-03 09:29:11 +02:00
|
|
|
|
/* Main program of GNU linker.
|
2002-02-10 20:12:13 +01:00
|
|
|
|
Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
|
2011-01-14 13:37:17 +01:00
|
|
|
|
2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
|
1999-05-03 09:29:11 +02:00
|
|
|
|
Free Software Foundation, Inc.
|
|
|
|
|
Written by Steve Chamberlain steve@cygnus.com
|
|
|
|
|
|
2007-07-06 16:09:45 +02:00
|
|
|
|
This file is part of the GNU Binutils.
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
2007-07-06 16:09:45 +02:00
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
2002-11-14 19:03:17 +01:00
|
|
|
|
it under the terms of the GNU General Public License as published by
|
2007-07-06 16:09:45 +02:00
|
|
|
|
the Free Software Foundation; either version 3 of the License, or
|
|
|
|
|
(at your option) any later version.
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
2007-07-06 16:09:45 +02:00
|
|
|
|
This program is distributed in the hope that it will be useful,
|
2002-11-14 19:03:17 +01:00
|
|
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
|
|
GNU General Public License for more details.
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
2002-11-14 19:03:17 +01:00
|
|
|
|
You should have received a copy of the GNU General Public License
|
2007-07-06 16:09:45 +02:00
|
|
|
|
along with this program; if not, write to the Free Software
|
|
|
|
|
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
|
|
|
|
|
MA 02110-1301, USA. */
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
#include "sysdep.h"
|
2007-04-26 16:47:00 +02:00
|
|
|
|
#include "bfd.h"
|
2001-09-19 07:33:36 +02:00
|
|
|
|
#include "safe-ctype.h"
|
1999-05-03 09:29:11 +02:00
|
|
|
|
#include "libiberty.h"
|
|
|
|
|
#include "progress.h"
|
|
|
|
|
#include "bfdlink.h"
|
2000-05-26 15:11:57 +02:00
|
|
|
|
#include "filenames.h"
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
#include "ld.h"
|
|
|
|
|
#include "ldmain.h"
|
|
|
|
|
#include "ldmisc.h"
|
|
|
|
|
#include "ldwrite.h"
|
|
|
|
|
#include "ldexp.h"
|
|
|
|
|
#include "ldlang.h"
|
2002-10-30 04:57:39 +01:00
|
|
|
|
#include <ldgram.h>
|
1999-05-03 09:29:11 +02:00
|
|
|
|
#include "ldlex.h"
|
|
|
|
|
#include "ldfile.h"
|
2000-07-11 05:42:41 +02:00
|
|
|
|
#include "ldemul.h"
|
1999-05-03 09:29:11 +02:00
|
|
|
|
#include "ldctor.h"
|
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
|
|
|
|
#ifdef ENABLE_PLUGINS
|
|
|
|
|
#include "plugin.h"
|
|
|
|
|
#include "plugin-api.h"
|
|
|
|
|
#include "libbfd.h"
|
|
|
|
|
#endif /* ENABLE_PLUGINS */
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
2003-02-25 11:32:33 +01:00
|
|
|
|
/* Somewhere above, sys/stat.h got included. */
|
1999-05-03 09:29:11 +02:00
|
|
|
|
#if !defined(S_ISDIR) && defined(S_IFDIR)
|
|
|
|
|
#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#include <string.h>
|
|
|
|
|
|
|
|
|
|
#ifdef HAVE_SBRK
|
2005-06-09 20:39:34 +02:00
|
|
|
|
#if !HAVE_DECL_SBRK
|
2003-06-28 07:28:54 +02:00
|
|
|
|
extern void *sbrk ();
|
1999-05-03 09:29:11 +02:00
|
|
|
|
#endif
|
|
|
|
|
#endif
|
|
|
|
|
|
2003-01-06 17:14:01 +01:00
|
|
|
|
#ifndef TARGET_SYSTEM_ROOT
|
|
|
|
|
#define TARGET_SYSTEM_ROOT ""
|
|
|
|
|
#endif
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* EXPORTS */
|
|
|
|
|
|
ld/
* ld.texinfo (INSERT): Describe.
* ldgram.y (ldgram_in_script, ldgram_had_equals): Delete.
(INSERT_K, AFTER, BEFORE): Add as tokens.
(ifile_p1): Handle INSERT statements.
(saved_script_handle, force_make_executable): Move to..
* ldmain.c: ..here.
(previous_script_handle): New global var.
* ldmain.h (saved_script_handle, force_make_executable): Declare.
(previous_script_handle): Likewise.
* ldlex.l (INSERT_K, AFTER, BEFORE): Add tokens.
* lexsup.c (parge_args <-T>): Set previous_script_handle.
* ldlang.c (lang_for_each_statement_worker): Handle insert statement.
(map_input_to_output_sections, print_statement): Likewise.
(lang_size_sections_1, lang_do_assignments_1): Likewise.
(insert_os_after): New function, extracted from..
(lang_insert_orphan): ..here.
(process_insert_statements): New function.
(lang_process): Call it.
(lang_add_insert): New function.
* ldlang.h (lang_insert_statement_enum): New.
(lang_insert_statement_type): New.
(lang_statement_union_type): Add insert_statement.
(lang_add_insert): Declare.
ld/testsuite/
* ld-spu/ovl.lnk: Delete overlay.
* ld-spu/ovl1.lnk: New file.
* ld-spu/ovl2.lnk: New file.
* ld-spu/ovl.d: Update.
* ld-spu/ovl2.d: Update.
2008-01-25 13:03:37 +01:00
|
|
|
|
FILE *saved_script_handle = NULL;
|
|
|
|
|
FILE *previous_script_handle = NULL;
|
|
|
|
|
bfd_boolean force_make_executable = FALSE;
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
char *default_target;
|
|
|
|
|
const char *output_filename = "a.out";
|
|
|
|
|
|
|
|
|
|
/* Name this program was invoked by. */
|
|
|
|
|
char *program_name;
|
|
|
|
|
|
2003-01-06 17:14:01 +01:00
|
|
|
|
/* The prefix for system library directories. */
|
2005-01-19 12:42:49 +01:00
|
|
|
|
const char *ld_sysroot;
|
2003-01-06 17:14:01 +01:00
|
|
|
|
|
2003-03-25 11:29:28 +01:00
|
|
|
|
/* The canonical representation of ld_sysroot. */
|
|
|
|
|
char * ld_canon_sysroot;
|
|
|
|
|
int ld_canon_sysroot_len;
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* Set by -G argument, for MIPS ECOFF target. */
|
|
|
|
|
int g_switch_value = 8;
|
|
|
|
|
|
|
|
|
|
/* Nonzero means print names of input files as processed. */
|
2002-11-30 09:39:46 +01:00
|
|
|
|
bfd_boolean trace_files;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
/* Nonzero means same, but note open failures, too. */
|
2002-11-30 09:39:46 +01:00
|
|
|
|
bfd_boolean trace_file_tries;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
/* Nonzero means version number was printed, so exit successfully
|
|
|
|
|
instead of complaining if no input files are given. */
|
2002-11-30 09:39:46 +01:00
|
|
|
|
bfd_boolean version_printed;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
/* Nonzero means link in every member of an archive. */
|
2002-11-30 09:39:46 +01:00
|
|
|
|
bfd_boolean whole_archive;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
2009-11-05 16:35:50 +01:00
|
|
|
|
/* True means only create DT_NEEDED entries for dynamic libraries
|
|
|
|
|
if they actually satisfy some reference in a regular object. */
|
|
|
|
|
bfd_boolean add_DT_NEEDED_for_regular;
|
|
|
|
|
|
|
|
|
|
/* True means create DT_NEEDED entries for dynamic libraries that
|
|
|
|
|
are DT_NEEDED by dynamic libraries specifically mentioned on
|
|
|
|
|
the command line. */
|
2009-11-06 17:50:59 +01:00
|
|
|
|
bfd_boolean add_DT_NEEDED_for_dynamic = TRUE;
|
2004-07-19 18:40:52 +02:00
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
/* TRUE if we should demangle symbol names. */
|
|
|
|
|
bfd_boolean demangling;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
args_type command_line;
|
|
|
|
|
|
|
|
|
|
ld_config_type config;
|
|
|
|
|
|
2004-10-04 18:45:51 +02:00
|
|
|
|
sort_type sort_section;
|
|
|
|
|
|
2005-01-19 12:42:49 +01:00
|
|
|
|
static const char *get_sysroot
|
|
|
|
|
(int, char **);
|
2003-02-25 11:32:33 +01:00
|
|
|
|
static char *get_emulation
|
2003-06-28 07:28:54 +02:00
|
|
|
|
(int, char **);
|
2003-02-25 11:32:33 +01:00
|
|
|
|
static bfd_boolean add_archive_element
|
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 bfd_link_info *, bfd *, const char *, bfd **);
|
2003-02-25 11:32:33 +01:00
|
|
|
|
static bfd_boolean multiple_definition
|
2011-04-20 02:11:33 +02:00
|
|
|
|
(struct bfd_link_info *, struct bfd_link_hash_entry *,
|
2003-06-28 07:28:54 +02:00
|
|
|
|
bfd *, asection *, bfd_vma);
|
2003-02-25 11:32:33 +01:00
|
|
|
|
static bfd_boolean multiple_common
|
2011-04-20 02:11:33 +02:00
|
|
|
|
(struct bfd_link_info *, struct bfd_link_hash_entry *,
|
|
|
|
|
bfd *, enum bfd_link_hash_type, bfd_vma);
|
2003-02-25 11:32:33 +01:00
|
|
|
|
static bfd_boolean add_to_set
|
2003-06-28 07:28:54 +02:00
|
|
|
|
(struct bfd_link_info *, struct bfd_link_hash_entry *,
|
|
|
|
|
bfd_reloc_code_real_type, bfd *, asection *, bfd_vma);
|
2003-02-25 11:32:33 +01:00
|
|
|
|
static bfd_boolean constructor_callback
|
2003-06-28 07:28:54 +02:00
|
|
|
|
(struct bfd_link_info *, bfd_boolean, const char *, bfd *,
|
|
|
|
|
asection *, bfd_vma);
|
2003-02-25 11:32:33 +01:00
|
|
|
|
static bfd_boolean warning_callback
|
2003-06-28 07:28:54 +02:00
|
|
|
|
(struct bfd_link_info *, const char *, const char *, bfd *,
|
|
|
|
|
asection *, bfd_vma);
|
2003-02-25 11:32:33 +01:00
|
|
|
|
static void warning_find_reloc
|
2003-06-28 07:28:54 +02:00
|
|
|
|
(bfd *, asection *, void *);
|
2003-02-25 11:32:33 +01:00
|
|
|
|
static bfd_boolean undefined_symbol
|
2003-06-28 07:28:54 +02:00
|
|
|
|
(struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma,
|
|
|
|
|
bfd_boolean);
|
2003-02-25 11:32:33 +01:00
|
|
|
|
static bfd_boolean reloc_overflow
|
2004-10-21 17:28:33 +02:00
|
|
|
|
(struct bfd_link_info *, struct bfd_link_hash_entry *, const char *,
|
|
|
|
|
const char *, bfd_vma, bfd *, asection *, bfd_vma);
|
2003-02-25 11:32:33 +01:00
|
|
|
|
static bfd_boolean reloc_dangerous
|
2003-06-28 07:28:54 +02:00
|
|
|
|
(struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma);
|
2003-02-25 11:32:33 +01:00
|
|
|
|
static bfd_boolean unattached_reloc
|
2003-06-28 07:28:54 +02:00
|
|
|
|
(struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma);
|
2003-02-25 11:32:33 +01:00
|
|
|
|
static bfd_boolean notice
|
2003-06-28 07:28:54 +02:00
|
|
|
|
(struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma);
|
2003-02-25 11:32:33 +01:00
|
|
|
|
|
|
|
|
|
static struct bfd_link_callbacks link_callbacks =
|
|
|
|
|
{
|
1999-05-03 09:29:11 +02:00
|
|
|
|
add_archive_element,
|
|
|
|
|
multiple_definition,
|
|
|
|
|
multiple_common,
|
|
|
|
|
add_to_set,
|
|
|
|
|
constructor_callback,
|
|
|
|
|
warning_callback,
|
|
|
|
|
undefined_symbol,
|
|
|
|
|
reloc_overflow,
|
|
|
|
|
reloc_dangerous,
|
|
|
|
|
unattached_reloc,
|
2005-06-03 11:52:50 +02:00
|
|
|
|
notice,
|
2007-02-21 17:43:50 +01:00
|
|
|
|
einfo,
|
bfd/
* elf32-spu.c (struct spu_link_hash_table): Add stack_analysis
and emit_stack_syms bitfields.
(get_sym_h): Read all symbols if stack analysis will be done.
(spu_elf_create_sections): Add stack_analysis and emit_stack_syms
params, and stash in hash table.
(is_hint): Split off from..
(is_branch): ..here. Adjust callers.
(spu_elf_size_stubs): Add stack_analysis param. Arrange to read
and keep all syms.
(write_one_stub): Fix mem leak.
(find_function_stack_adjust): New function.
(sort_syms_syms, sort_syms_psecs): New vars.
(sort_syms): New function.
(struct call_info, struct function_info): New.
(struct spu_elf_stack_info): New.
(alloc_stack_info, maybe_insert_function, func_name): New functions.
(is_nop, insns_at_end, check_function_ranges): Likewise.
(find_function, insert_callee, mark_functions_via_relocs): Likewise.
(pasted_function, interesting_section, discover_functions): Likewise.
(mark_non_root, call_graph_traverse, build_call_tree): Likewise.
(sum_stack, spu_elf_stack_analysis, spu_elf_final_link): Likewise.
(bfd_elf32_bfd_final_link): Define.
* elf32-spu.h (struct _spu_elf_section_data): Add stack_info field.
(spu_elf_create_sections, spu_elf_size_stubs): Update prototypes.
include/
* bfdlink.h (struct bfd_link_info): Add "info" and "minfo".
ld/
* ldmain.c (link_callbacks): Init info and minfo fields.
* ldmisc.c (minfo): Do nothing if no map file.
* emultempl/spuelf.em (stack_analysis, emit_stack_syms): New vars.
(spu_after_open): Adjust spu_elf_create_sections call.
(spu_before_allocation): Likewise for spu_elf_size_stubs.
(OPTION_SPU_STACK_ANALYSIS, OPTION_SPU_STACK_SYMS): Define.
(PARSE_AND_LIST_LONGOPTS): Add new entries.
(PARSE_AND_LIST_OPTIONS, PARSE_AND_LIST_ARGS_CASES): Likewise.
* gen-doc.texi: Add @set for SPU and other missing targets.
* ld.texinfo: Update man page selection to match gen-doc.texi.
Document SPU features.
2007-04-30 16:06:40 +02:00
|
|
|
|
info_msg,
|
|
|
|
|
minfo,
|
2007-02-21 17:43:50 +01:00
|
|
|
|
ldlang_override_segment_assignment
|
1999-05-03 09:29:11 +02:00
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
struct bfd_link_info link_info;
|
|
|
|
|
|
|
|
|
|
static void
|
2011-02-14 10:53:15 +01:00
|
|
|
|
ld_cleanup (void)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
2011-02-14 10:53:15 +01:00
|
|
|
|
bfd_cache_close_all ();
|
|
|
|
|
#ifdef ENABLE_PLUGINS
|
|
|
|
|
plugin_call_cleanup ();
|
|
|
|
|
#endif
|
|
|
|
|
if (output_filename && delete_output_file_on_failure)
|
|
|
|
|
unlink_if_ordinary (output_filename);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int
|
2003-06-28 07:28:54 +02:00
|
|
|
|
main (int argc, char **argv)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
char *emulation;
|
|
|
|
|
long start_time = get_run_time ();
|
|
|
|
|
|
|
|
|
|
#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
|
|
|
|
|
setlocale (LC_MESSAGES, "");
|
2001-09-19 07:33:36 +02:00
|
|
|
|
#endif
|
|
|
|
|
#if defined (HAVE_SETLOCALE)
|
|
|
|
|
setlocale (LC_CTYPE, "");
|
1999-05-03 09:29:11 +02:00
|
|
|
|
#endif
|
|
|
|
|
bindtextdomain (PACKAGE, LOCALEDIR);
|
|
|
|
|
textdomain (PACKAGE);
|
|
|
|
|
|
|
|
|
|
program_name = argv[0];
|
|
|
|
|
xmalloc_set_program_name (program_name);
|
|
|
|
|
|
|
|
|
|
START_PROGRESS (program_name, 0);
|
|
|
|
|
|
2005-09-30 18:37:32 +02:00
|
|
|
|
expandargv (&argc, &argv);
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
bfd_init ();
|
|
|
|
|
|
|
|
|
|
bfd_set_error_program_name (program_name);
|
|
|
|
|
|
2011-02-14 10:53:15 +01:00
|
|
|
|
xatexit (ld_cleanup);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
2005-01-19 12:42:49 +01:00
|
|
|
|
/* Set up the sysroot directory. */
|
|
|
|
|
ld_sysroot = get_sysroot (argc, argv);
|
|
|
|
|
if (*ld_sysroot)
|
2003-01-06 17:14:01 +01:00
|
|
|
|
{
|
2005-01-19 12:42:49 +01:00
|
|
|
|
if (*TARGET_SYSTEM_ROOT == 0)
|
2003-01-06 17:14:01 +01:00
|
|
|
|
{
|
2005-11-07 00:12:36 +01:00
|
|
|
|
einfo ("%P%F: this linker was not configured to use sysroots\n");
|
2005-01-19 12:42:49 +01:00
|
|
|
|
ld_sysroot = "";
|
2003-02-25 11:32:33 +01:00
|
|
|
|
}
|
2005-01-19 12:42:49 +01:00
|
|
|
|
else
|
|
|
|
|
ld_canon_sysroot = lrealpath (ld_sysroot);
|
2003-02-25 11:32:33 +01:00
|
|
|
|
}
|
2003-03-25 11:29:28 +01:00
|
|
|
|
if (ld_canon_sysroot)
|
|
|
|
|
ld_canon_sysroot_len = strlen (ld_canon_sysroot);
|
|
|
|
|
else
|
|
|
|
|
ld_canon_sysroot_len = -1;
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* Set the default BFD target based on the configured target. Doing
|
|
|
|
|
this permits the linker to be configured for a particular target,
|
|
|
|
|
and linked against a shared BFD library which was configured for
|
|
|
|
|
a different target. The macro TARGET is defined by Makefile. */
|
|
|
|
|
if (! bfd_set_default_target (TARGET))
|
|
|
|
|
{
|
|
|
|
|
einfo (_("%X%P: can't set BFD default target to `%s': %E\n"), TARGET);
|
|
|
|
|
xexit (1);
|
|
|
|
|
}
|
|
|
|
|
|
2001-10-20 15:49:00 +02:00
|
|
|
|
#if YYDEBUG
|
|
|
|
|
{
|
|
|
|
|
extern int yydebug;
|
|
|
|
|
yydebug = 1;
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
config.build_constructors = TRUE;
|
2007-03-28 16:42:28 +02:00
|
|
|
|
config.rpath_separator = ':';
|
2000-09-05 05:05:19 +02:00
|
|
|
|
config.split_by_reloc = (unsigned) -1;
|
|
|
|
|
config.split_by_file = (bfd_size_type) -1;
|
2007-05-07 17:04:53 +02:00
|
|
|
|
config.make_executable = TRUE;
|
|
|
|
|
config.magic_demand_paged = TRUE;
|
|
|
|
|
config.text_read_only = TRUE;
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
command_line.warn_mismatch = TRUE;
|
2007-05-03 11:24:16 +02:00
|
|
|
|
command_line.warn_search_mismatch = TRUE;
|
2009-01-26 16:23:39 +01:00
|
|
|
|
command_line.check_section_addresses = -1;
|
2009-11-26 14:45:25 +01:00
|
|
|
|
command_line.disable_target_specific_optimizations = -1;
|
2004-10-04 18:45:51 +02:00
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* We initialize DEMANGLING based on the environment variable
|
|
|
|
|
COLLECT_NO_DEMANGLE. The gcc collect2 program will demangle the
|
|
|
|
|
output of the linker, unless COLLECT_NO_DEMANGLE is set in the
|
|
|
|
|
environment. Acting the same way here lets us provide the same
|
|
|
|
|
interface by default. */
|
|
|
|
|
demangling = getenv ("COLLECT_NO_DEMANGLE") == NULL;
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
link_info.allow_undefined_version = TRUE;
|
2002-12-20 00:11:19 +01:00
|
|
|
|
link_info.keep_memory = TRUE;
|
|
|
|
|
link_info.combreloc = TRUE;
|
2002-12-23 13:05:38 +01:00
|
|
|
|
link_info.strip_discarded = TRUE;
|
include/
* bfdlink.h (struct bfd_link_info): Add emit_hash and
emit_gnu_hash bitfields.
include/elf/
* common.h (SHT_GNU_HASH, DT_GNU_HASH): Define.
ld/
* scripttempl/elf.sc: Add .gnu.hash section.
* emultempl/elf32.em (OPTION_HASH_STYLE): Define.
(gld${EMULATION_NAME}_add_options): Register --hash-style option.
(gld${EMULATION_NAME}_handle_option): Handle it.
(gld${EMULATION_NAME}_list_options): Document it.
* ldmain.c (main): Initialize emit_hash and emit_gnu_hash.
* ld.texinfo: Document --hash-style option.
bfd/
* elf.c (_bfd_elf_print_private_bfd_data): Handle DT_GNU_HASH.
(bfd_section_from_shdr, elf_fake_sections, assign_section_numbers):
Handle SHT_GNU_HASH.
(special_sections_g): Include .gnu.hash section.
(bfd_elf_gnu_hash): New function.
* elf-bfd.h (bfd_elf_gnu_hash, _bfd_elf_hash_symbol): New prototypes.
(struct elf_backend_data): Add elf_hash_symbol method.
* elflink.c (_bfd_elf_link_create_dynamic_sections): Create .hash
only if info->emit_hash, create .gnu.hash section if
info->emit_gnu_hash.
(struct collect_gnu_hash_codes): New type.
(elf_collect_gnu_hash_codes, elf_renumber_gnu_hash_syms,
_bfd_elf_hash_symbol): New functions.
(compute_bucket_count): Don't compute HASHCODES array, instead add
that and NSYMS as arguments. Use bed->s->sizeof_hash_entry
instead of bed->s->arch_size / 8. Fix .hash size estimation.
When not optimizing, use the number of hashed symbols rather than
dynsymcount.
(bfd_elf_size_dynamic_sections): Only add DT_HASH if info->emit_hash,
and ADD DT_GNU_HASH if info->emit_gnu_hash.
(bfd_elf_size_dynsym_hash_dynstr): Size .hash only if info->emit_hash,
adjust compute_bucket_count caller. Create and populate .gnu.hash
section if info->emit_gnu_hash.
(elf_link_output_extsym): Only populate .hash section if
finfo->hash_sec != NULL.
(bfd_elf_final_link): Adjust assertion. Handle DT_GNU_HASH.
* elfxx-target.h (elf_backend_hash_symbol): Define if not yet defined.
(elfNN_bed): Add elf_backend_hash_symbol.
* elf64-x86-64.c (elf64_x86_64_hash_symbol): New function.
(elf_backend_hash_symbol): Define.
* elf32-i386.c (elf_i386_hash_symbol): New function.
(elf_backend_hash_symbol): Define.
binutils/
* readelf.c (get_dynamic_type): Handle DT_GNU_HASH.
(get_section_type_name): Handle SHT_GNU_HASH.
(dynamic_info_DT_GNU_HASH): New variable.
(process_dynamic_section): Handle DT_GNU_HASH.
(process_symbol_table): Print also DT_GNU_HASH histogram.
ld/testsuite/
* ld-powerpc/tlsso32.r: Adjust.
* ld-powerpc/tlsso32.d: Adjust.
* ld-powerpc/tlsso32.g: Adjust.
* ld-powerpc/tlsso.r: Adjust.
* ld-powerpc/tlsso.g: Adjust.
* ld-powerpc/tlstocso.g: Adjust.
2006-07-10 23:40:25 +02:00
|
|
|
|
link_info.emit_hash = TRUE;
|
2007-05-31 17:04:52 +02:00
|
|
|
|
link_info.callbacks = &link_callbacks;
|
|
|
|
|
link_info.input_bfds_tail = &link_info.input_bfds;
|
1999-06-23 13:09:30 +02:00
|
|
|
|
/* SVR4 linkers seem to set DT_INIT and DT_FINI based on magic _init
|
|
|
|
|
and _fini symbols. We are compatible. */
|
|
|
|
|
link_info.init_function = "_init";
|
|
|
|
|
link_info.fini_function = "_fini";
|
2007-05-31 17:04:52 +02:00
|
|
|
|
link_info.relax_pass = 1;
|
2002-06-07 16:56:01 +02:00
|
|
|
|
link_info.pei386_auto_import = -1;
|
2001-08-23 17:14:18 +02:00
|
|
|
|
link_info.spare_dynamic_tags = 5;
|
2008-06-07 13:35:46 +02:00
|
|
|
|
link_info.path_separator = ':';
|
2006-05-30 18:45:32 +02:00
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
ldfile_add_arch ("");
|
|
|
|
|
emulation = get_emulation (argc, argv);
|
|
|
|
|
ldemul_choose_mode (emulation);
|
2001-12-04 00:15:28 +01:00
|
|
|
|
default_target = ldemul_choose_target (argc, argv);
|
2009-08-30 07:47:43 +02:00
|
|
|
|
config.maxpagesize = bfd_emul_get_maxpagesize (default_target);
|
|
|
|
|
config.commonpagesize = bfd_emul_get_commonpagesize (default_target);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
lang_init ();
|
|
|
|
|
ldemul_before_parse ();
|
2002-11-30 09:39:46 +01:00
|
|
|
|
lang_has_input_file = FALSE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
parse_args (argc, argv);
|
|
|
|
|
|
2004-05-21 17:38:04 +02:00
|
|
|
|
if (config.hash_table_size != 0)
|
|
|
|
|
bfd_hash_set_default_size (config.hash_table_size);
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
ldemul_set_symbols ();
|
|
|
|
|
|
2003-06-25 08:40:27 +02:00
|
|
|
|
if (link_info.relocatable)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
2009-01-26 16:23:39 +01:00
|
|
|
|
if (command_line.check_section_addresses < 0)
|
|
|
|
|
command_line.check_section_addresses = 0;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
if (link_info.shared)
|
|
|
|
|
einfo (_("%P%F: -r and -shared may not be used together\n"));
|
|
|
|
|
}
|
|
|
|
|
|
2007-01-19 16:13:29 +01:00
|
|
|
|
/* We may have -Bsymbolic, -Bsymbolic-functions, --dynamic-list-data,
|
|
|
|
|
--dynamic-list-cpp-new, --dynamic-list-cpp-typeinfo and
|
|
|
|
|
--dynamic-list FILE. -Bsymbolic and -Bsymbolic-functions are
|
|
|
|
|
for shared libraries. -Bsymbolic overrides all others and vice
|
|
|
|
|
versa. */
|
|
|
|
|
switch (command_line.symbolic)
|
|
|
|
|
{
|
|
|
|
|
case symbolic_unset:
|
|
|
|
|
break;
|
|
|
|
|
case symbolic:
|
|
|
|
|
/* -Bsymbolic is for shared library only. */
|
|
|
|
|
if (link_info.shared)
|
|
|
|
|
{
|
|
|
|
|
link_info.symbolic = TRUE;
|
|
|
|
|
/* Should we free the unused memory? */
|
|
|
|
|
link_info.dynamic_list = NULL;
|
|
|
|
|
command_line.dynamic_list = dynamic_list_unset;
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
case symbolic_functions:
|
|
|
|
|
/* -Bsymbolic-functions is for shared library only. */
|
|
|
|
|
if (link_info.shared)
|
|
|
|
|
command_line.dynamic_list = dynamic_list_data;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
switch (command_line.dynamic_list)
|
|
|
|
|
{
|
|
|
|
|
case dynamic_list_unset:
|
|
|
|
|
break;
|
|
|
|
|
case dynamic_list_data:
|
|
|
|
|
link_info.dynamic_data = TRUE;
|
|
|
|
|
case dynamic_list:
|
|
|
|
|
link_info.dynamic = TRUE;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
2001-07-11 16:19:05 +02:00
|
|
|
|
if (! link_info.shared)
|
|
|
|
|
{
|
|
|
|
|
if (command_line.filter_shlib)
|
2001-07-11 21:50:56 +02:00
|
|
|
|
einfo (_("%P%F: -F may not be used without -shared\n"));
|
2001-07-11 16:19:05 +02:00
|
|
|
|
if (command_line.auxiliary_filters)
|
2001-07-11 21:50:56 +02:00
|
|
|
|
einfo (_("%P%F: -f may not be used without -shared\n"));
|
2001-07-11 16:19:05 +02:00
|
|
|
|
}
|
|
|
|
|
|
2003-05-30 17:50:12 +02:00
|
|
|
|
if (! link_info.shared || link_info.pie)
|
|
|
|
|
link_info.executable = TRUE;
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* Treat ld -r -s as ld -r -S -x (i.e., strip all local symbols). I
|
|
|
|
|
don't see how else this can be handled, since in this case we
|
|
|
|
|
must preserve all externally visible symbols. */
|
2003-06-25 08:40:27 +02:00
|
|
|
|
if (link_info.relocatable && link_info.strip == strip_all)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
link_info.strip = strip_debugger;
|
2001-04-13 02:34:36 +02:00
|
|
|
|
if (link_info.discard == discard_sec_merge)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
link_info.discard = discard_all;
|
|
|
|
|
}
|
|
|
|
|
|
2007-01-19 15:51:27 +01:00
|
|
|
|
/* If we have not already opened and parsed a linker script,
|
|
|
|
|
try the default script from command line first. */
|
|
|
|
|
if (saved_script_handle == NULL
|
|
|
|
|
&& command_line.default_script != NULL)
|
|
|
|
|
{
|
|
|
|
|
ldfile_open_command_file (command_line.default_script);
|
|
|
|
|
parser_input = input_script;
|
|
|
|
|
yyparse ();
|
|
|
|
|
}
|
|
|
|
|
|
2001-08-12 09:59:28 +02:00
|
|
|
|
/* If we have not already opened and parsed a linker script
|
|
|
|
|
read the emulation's appropriate default script. */
|
2001-08-15 19:10:18 +02:00
|
|
|
|
if (saved_script_handle == NULL)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
int isfile;
|
2002-05-03 15:48:55 +02:00
|
|
|
|
char *s = ldemul_get_script (&isfile);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
if (isfile)
|
2009-04-06 02:47:09 +02:00
|
|
|
|
ldfile_open_default_command_file (s);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
else
|
2002-05-03 15:48:55 +02:00
|
|
|
|
{
|
1999-05-03 09:29:11 +02:00
|
|
|
|
lex_string = s;
|
|
|
|
|
lex_redirect (s);
|
|
|
|
|
}
|
|
|
|
|
parser_input = input_script;
|
|
|
|
|
yyparse ();
|
|
|
|
|
lex_string = NULL;
|
|
|
|
|
}
|
|
|
|
|
|
2001-08-12 09:59:28 +02:00
|
|
|
|
if (trace_file_tries)
|
|
|
|
|
{
|
2002-01-26 13:25:21 +01:00
|
|
|
|
if (saved_script_handle)
|
|
|
|
|
info_msg (_("using external linker script:"));
|
|
|
|
|
else
|
|
|
|
|
info_msg (_("using internal linker script:"));
|
|
|
|
|
info_msg ("\n==================================================\n");
|
2001-08-12 09:59:28 +02:00
|
|
|
|
|
|
|
|
|
if (saved_script_handle)
|
|
|
|
|
{
|
2001-09-16 06:25:33 +02:00
|
|
|
|
static const int ld_bufsz = 8193;
|
2001-08-12 09:59:28 +02:00
|
|
|
|
size_t n;
|
2009-09-11 17:27:38 +02:00
|
|
|
|
char *buf = (char *) xmalloc (ld_bufsz);
|
2001-08-12 09:59:28 +02:00
|
|
|
|
|
|
|
|
|
rewind (saved_script_handle);
|
2001-09-16 06:25:33 +02:00
|
|
|
|
while ((n = fread (buf, 1, ld_bufsz - 1, saved_script_handle)) > 0)
|
2001-08-12 09:59:28 +02:00
|
|
|
|
{
|
2002-05-03 15:48:55 +02:00
|
|
|
|
buf[n] = 0;
|
2001-08-12 09:59:28 +02:00
|
|
|
|
info_msg (buf);
|
|
|
|
|
}
|
|
|
|
|
rewind (saved_script_handle);
|
|
|
|
|
free (buf);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
int isfile;
|
|
|
|
|
|
2002-05-03 15:48:55 +02:00
|
|
|
|
info_msg (ldemul_get_script (&isfile));
|
2001-08-12 09:59:28 +02:00
|
|
|
|
}
|
2002-05-03 15:48:55 +02:00
|
|
|
|
|
2001-08-12 09:59:28 +02:00
|
|
|
|
info_msg ("\n==================================================\n");
|
|
|
|
|
}
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
lang_final ();
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
if (!lang_has_input_file)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
if (version_printed)
|
|
|
|
|
xexit (0);
|
|
|
|
|
einfo (_("%P%F: no input files\n"));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (trace_files)
|
2003-02-25 11:32:33 +01:00
|
|
|
|
info_msg (_("%P: mode %s\n"), emulation);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
ldemul_after_parse ();
|
|
|
|
|
|
|
|
|
|
if (config.map_filename)
|
|
|
|
|
{
|
|
|
|
|
if (strcmp (config.map_filename, "-") == 0)
|
|
|
|
|
{
|
|
|
|
|
config.map_file = stdout;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
config.map_file = fopen (config.map_filename, FOPEN_WT);
|
|
|
|
|
if (config.map_file == (FILE *) NULL)
|
|
|
|
|
{
|
|
|
|
|
bfd_set_error (bfd_error_system_call);
|
|
|
|
|
einfo (_("%P%F: cannot open map file %s: %E\n"),
|
|
|
|
|
config.map_filename);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
lang_process ();
|
|
|
|
|
|
|
|
|
|
/* Print error messages for any missing symbols, for any warning
|
2000-09-21 22:21:59 +02:00
|
|
|
|
symbols, and possibly multiple definitions. */
|
2003-06-25 08:40:27 +02:00
|
|
|
|
if (link_info.relocatable)
|
2008-02-15 04:35:53 +01:00
|
|
|
|
link_info.output_bfd->flags &= ~EXEC_P;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
else
|
2008-02-15 04:35:53 +01:00
|
|
|
|
link_info.output_bfd->flags |= EXEC_P;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
ldwrite ();
|
|
|
|
|
|
|
|
|
|
if (config.map_file != NULL)
|
|
|
|
|
lang_map ();
|
|
|
|
|
if (command_line.cref)
|
|
|
|
|
output_cref (config.map_file != NULL ? config.map_file : stdout);
|
|
|
|
|
if (nocrossref_list != NULL)
|
|
|
|
|
check_nocrossrefs ();
|
|
|
|
|
|
2005-09-30 19:45:54 +02:00
|
|
|
|
lang_finish ();
|
|
|
|
|
|
2003-06-25 08:40:27 +02:00
|
|
|
|
/* Even if we're producing relocatable output, some non-fatal errors should
|
1999-05-03 09:29:11 +02:00
|
|
|
|
be reported in the exit status. (What non-fatal errors, if any, do we
|
2003-06-25 08:40:27 +02:00
|
|
|
|
want to ignore for relocatable output?) */
|
2002-11-30 09:39:46 +01:00
|
|
|
|
if (!config.make_executable && !force_make_executable)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
2002-11-30 09:39:46 +01:00
|
|
|
|
if (trace_files)
|
2003-02-25 11:32:33 +01:00
|
|
|
|
einfo (_("%P: link errors found, deleting executable `%s'\n"),
|
|
|
|
|
output_filename);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
/* The file will be removed by remove_output. */
|
|
|
|
|
xexit (1);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
2008-02-15 04:35:53 +01:00
|
|
|
|
if (! bfd_close (link_info.output_bfd))
|
|
|
|
|
einfo (_("%F%B: final close failed: %E\n"), link_info.output_bfd);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
/* If the --force-exe-suffix is enabled, and we're making an
|
2000-09-21 22:21:59 +02:00
|
|
|
|
executable file and it doesn't end in .exe, copy it to one
|
|
|
|
|
which does. */
|
2003-06-25 08:40:27 +02:00
|
|
|
|
if (! link_info.relocatable && command_line.force_exe_suffix)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
int len = strlen (output_filename);
|
2003-02-25 11:32:33 +01:00
|
|
|
|
|
2000-09-21 22:21:59 +02:00
|
|
|
|
if (len < 4
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|| (strcasecmp (output_filename + len - 4, ".exe") != 0
|
|
|
|
|
&& strcasecmp (output_filename + len - 4, ".dll") != 0))
|
|
|
|
|
{
|
|
|
|
|
FILE *src;
|
|
|
|
|
FILE *dst;
|
|
|
|
|
const int bsize = 4096;
|
2009-09-11 17:27:38 +02:00
|
|
|
|
char *buf = (char *) xmalloc (bsize);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
int l;
|
2009-09-11 17:27:38 +02:00
|
|
|
|
char *dst_name = (char *) xmalloc (len + 5);
|
2003-02-25 11:32:33 +01:00
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
strcpy (dst_name, output_filename);
|
|
|
|
|
strcat (dst_name, ".exe");
|
|
|
|
|
src = fopen (output_filename, FOPEN_RB);
|
|
|
|
|
dst = fopen (dst_name, FOPEN_WB);
|
|
|
|
|
|
|
|
|
|
if (!src)
|
2003-06-28 07:28:54 +02:00
|
|
|
|
einfo (_("%X%P: unable to open for source of copy `%s'\n"),
|
|
|
|
|
output_filename);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
if (!dst)
|
2003-06-28 07:28:54 +02:00
|
|
|
|
einfo (_("%X%P: unable to open for destination of copy `%s'\n"),
|
|
|
|
|
dst_name);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
while ((l = fread (buf, 1, bsize, src)) > 0)
|
|
|
|
|
{
|
|
|
|
|
int done = fwrite (buf, 1, l, dst);
|
2003-02-25 11:32:33 +01:00
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
if (done != l)
|
2003-02-25 11:32:33 +01:00
|
|
|
|
einfo (_("%P: Error writing file `%s'\n"), dst_name);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
2003-02-25 11:32:33 +01:00
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
fclose (src);
|
|
|
|
|
if (fclose (dst) == EOF)
|
2003-02-25 11:32:33 +01:00
|
|
|
|
einfo (_("%P: Error closing file `%s'\n"), dst_name);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
free (dst_name);
|
|
|
|
|
free (buf);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
END_PROGRESS (program_name);
|
|
|
|
|
|
|
|
|
|
if (config.stats)
|
|
|
|
|
{
|
|
|
|
|
#ifdef HAVE_SBRK
|
2009-09-11 17:27:38 +02:00
|
|
|
|
char *lim = (char *) sbrk (0);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
#endif
|
|
|
|
|
long run_time = get_run_time () - start_time;
|
|
|
|
|
|
2011-01-14 13:37:17 +01:00
|
|
|
|
fflush (stdout);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
fprintf (stderr, _("%s: total time in link: %ld.%06ld\n"),
|
|
|
|
|
program_name, run_time / 1000000, run_time % 1000000);
|
|
|
|
|
#ifdef HAVE_SBRK
|
|
|
|
|
fprintf (stderr, _("%s: data size %ld\n"), program_name,
|
|
|
|
|
(long) (lim - (char *) &environ));
|
|
|
|
|
#endif
|
2011-01-14 13:37:17 +01:00
|
|
|
|
fflush (stderr);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Prevent remove_output from doing anything, after a successful link. */
|
|
|
|
|
output_filename = NULL;
|
|
|
|
|
|
|
|
|
|
xexit (0);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
2005-01-19 12:42:49 +01:00
|
|
|
|
/* If the configured sysroot is relocatable, try relocating it based on
|
|
|
|
|
default prefix FROM. Return the relocated directory if it exists,
|
|
|
|
|
otherwise return null. */
|
|
|
|
|
|
|
|
|
|
static char *
|
|
|
|
|
get_relative_sysroot (const char *from ATTRIBUTE_UNUSED)
|
|
|
|
|
{
|
|
|
|
|
#ifdef TARGET_SYSTEM_ROOT_RELOCATABLE
|
|
|
|
|
char *path;
|
|
|
|
|
struct stat s;
|
|
|
|
|
|
|
|
|
|
path = make_relative_prefix (program_name, from, TARGET_SYSTEM_ROOT);
|
|
|
|
|
if (path)
|
|
|
|
|
{
|
|
|
|
|
if (stat (path, &s) == 0 && S_ISDIR (s.st_mode))
|
|
|
|
|
return path;
|
|
|
|
|
free (path);
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Return the sysroot directory. Return "" if no sysroot is being used. */
|
|
|
|
|
|
|
|
|
|
static const char *
|
|
|
|
|
get_sysroot (int argc, char **argv)
|
|
|
|
|
{
|
|
|
|
|
int i;
|
|
|
|
|
const char *path;
|
|
|
|
|
|
|
|
|
|
for (i = 1; i < argc; i++)
|
2006-09-16 20:12:17 +02:00
|
|
|
|
if (CONST_STRNEQ (argv[i], "--sysroot="))
|
2005-01-19 12:42:49 +01:00
|
|
|
|
return argv[i] + strlen ("--sysroot=");
|
|
|
|
|
|
|
|
|
|
path = get_relative_sysroot (BINDIR);
|
|
|
|
|
if (path)
|
|
|
|
|
return path;
|
|
|
|
|
|
|
|
|
|
path = get_relative_sysroot (TOOLBINDIR);
|
|
|
|
|
if (path)
|
|
|
|
|
return path;
|
|
|
|
|
|
|
|
|
|
return TARGET_SYSTEM_ROOT;
|
|
|
|
|
}
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* We need to find any explicitly given emulation in order to initialize the
|
|
|
|
|
state that's needed by the lex&yacc argument parser (parse_args). */
|
|
|
|
|
|
|
|
|
|
static char *
|
2003-06-28 07:28:54 +02:00
|
|
|
|
get_emulation (int argc, char **argv)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
char *emulation;
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
emulation = getenv (EMULATION_ENVIRON);
|
|
|
|
|
if (emulation == NULL)
|
|
|
|
|
emulation = DEFAULT_EMULATION;
|
|
|
|
|
|
|
|
|
|
for (i = 1; i < argc; i++)
|
|
|
|
|
{
|
2006-09-16 20:12:17 +02:00
|
|
|
|
if (CONST_STRNEQ (argv[i], "-m"))
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
if (argv[i][2] == '\0')
|
|
|
|
|
{
|
|
|
|
|
/* -m EMUL */
|
|
|
|
|
if (i < argc - 1)
|
|
|
|
|
{
|
|
|
|
|
emulation = argv[i + 1];
|
|
|
|
|
i++;
|
|
|
|
|
}
|
|
|
|
|
else
|
2003-02-25 11:32:33 +01:00
|
|
|
|
einfo (_("%P%F: missing argument to -m\n"));
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
else if (strcmp (argv[i], "-mips1") == 0
|
|
|
|
|
|| strcmp (argv[i], "-mips2") == 0
|
|
|
|
|
|| strcmp (argv[i], "-mips3") == 0
|
2001-05-23 19:26:40 +02:00
|
|
|
|
|| strcmp (argv[i], "-mips4") == 0
|
2003-01-09 22:26:53 +01:00
|
|
|
|
|| strcmp (argv[i], "-mips5") == 0
|
|
|
|
|
|| strcmp (argv[i], "-mips32") == 0
|
|
|
|
|
|| strcmp (argv[i], "-mips32r2") == 0
|
[ bfd/ChangeLog ]
2003-09-30 Chris Demetriou <cgd@broadcom.com>
* archures.c (bfd_mach_mipsisa64r2): New define.
* bfd-in2.h: Regenerate.
* aoutx.h (NAME(aout,machine_type)): Handle bfd_mach_mipsisa64r2.
* cpu-mips.c (I_mipsisa64r2): New enum value.
(arch_info_struct): Add entry for I_mipsisa64r2.
* elfxx-mips.c (_bfd_elf_mips_mach)
(_bfd_mips_elf_print_private_bfd_data): Handle E_MIPS_ARCH_64R2.
(mips_set_isa_flags): Add bfd_mach_mipsisa64r2 case.
(mips_mach_extensions): Add entry for bfd_mach_mipsisa64r2.
[ binutils/ChangeLog ]
2003-09-30 Chris Demetriou <cgd@broadcom.com>
* readelf.c (get_machine_flags): Handle E_MIPS_ARCH_64R2.
[ gas/Changelog ]
2003-09-30 Chris Demetriou <cgd@broadcom.com>
* configure.in (mipsisa64r2, mipsisa64r2el, mipsisa64r2*): New CPUs.
* configure: Regenerate.
* config/tc-mips.c (imm2_expr): New variable.
(md_assemble, mips16_ip): Initialize imm2_expr.
(ISA_HAS_64BIT_REGS, ISA_HAS_DROR, ISA_HAS_ROR): Add ISA_MIPS64R2.
(macro_build): Handle +A, +B, +C, +E, +F, +G, and +H format operands.
(macro): Handle M_DEXT and M_DINS.
(validate_mips_insn): Handle +E, +F, +G, +H, and +I format operands.
(mips_ip): Likewise.
(OPTION_MIPS64R2): New define.
(md_longopts): New entry for -mips64r2 (OPTION_MIPS64R2).
OPTION_ASE_BASE): Increase to compensate for OPTION_MIPS64R2.
(md_parse_option): Handle OPTION_MIPS64R2.
(s_mipsset): Handle setting "mips64r2" ISA.
(mips_cpu_info_table): Add mips64r2.
(md_show_usage): Document -mips64r2 option.
* doc/as.texinfo: Docuemnt -mips64r2 option.
* doc/c-mips.texi: Likewise.
[ gas/testsuite/ChangeLog ]
2003-09-30 Chris Demetriou <cgd@broadcom.com>
* gas/mips/cp0-names-mips64r2.d: New file.
* gas/mips/cp0sel-names-mips64r2.d: New file.
* gas/mips/elf_arch_mips64r2.d: New file.
* gas/mips/hwr-names-mips64r2.d: New file.
* gas/mips/mips32r2-ill-fp64.l: New file.
* gas/mips/mips32r2-ill-fp64.s: New file.
* gas/mips/mips64r2-ill.l: New file.
* gas/mips/mips64r2-ill.s: New file.
* gas/mips/mips64r2.d: New file.
* gas/mips/mips64r2.s: New file.
* gas/mips/mips.exp: Define "mips64r2" arch, and run new tests.
[ include/elf/ChangeLog ]
2003-09-30 Chris Demetriou <cgd@broadcom.com>
* mips.h (E_MIPS_ARCH_64R2): New define.
[ include/opcode/ChangeLog ]
2003-09-30 Chris Demetriou <cgd@broadcom.com>
* mips.h: Document +E, +F, +G, +H, and +I operand types.
Update documentation of I, +B and +C operand types.
(INSN_ISA64R2, ISA_MIPS64R2, CPU_MIPS64R2): New defines.
(M_DEXT, M_DINS): New enum values.
[ ld/ChangeLog ]
2003-09-30 Chris Demetriou <cgd@broadcom.com>
* ldmain.c (get_emulation): Ignore "-mips64r2".
[ ld/testsuite/ChangeLog ]
2003-09-30 Chris Demetriou <cgd@broadcom.com>
* ld-mips-elf/mips-elf-flags.exp: Add tests for combinations
with MIPS64r2.
[ opcodes/ChangeLog ]
2003-09-30 Chris Demetriou <cgd@broadcom.com>
* mips-dis.c (mips_arch_choices): Add entry for "mips64r2"
(print_insn_args): Add handing for +E, +F, +G, and +H.
* mips-opc.c (I65): New define for MIPS64r2.
(mips_builtin_opcodes): Add "dext", "dextm", "dextu", "dins",
"dinsm", "dinsu", "drotl", "drotr", "drotr32", "drotrv", "dsbh",
and "dshd" for MIPS64r2. Adjust "dror", "dror32", and "drorv" to
be supported on MIPS64r2.
2003-09-30 18:17:15 +02:00
|
|
|
|
|| strcmp (argv[i], "-mips64") == 0
|
|
|
|
|
|| strcmp (argv[i], "-mips64r2") == 0)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
2001-10-19 01:44:17 +02:00
|
|
|
|
/* FIXME: The arguments -mips1, -mips2, -mips3, etc. are
|
1999-05-03 09:29:11 +02:00
|
|
|
|
passed to the linker by some MIPS compilers. They
|
|
|
|
|
generally tell the linker to use a slightly different
|
|
|
|
|
library path. Perhaps someday these should be
|
|
|
|
|
implemented as emulations; until then, we just ignore
|
|
|
|
|
the arguments and hope that nobody ever creates
|
|
|
|
|
emulations named ips1, ips2 or ips3. */
|
|
|
|
|
}
|
|
|
|
|
else if (strcmp (argv[i], "-m486") == 0)
|
|
|
|
|
{
|
|
|
|
|
/* FIXME: The argument -m486 is passed to the linker on
|
|
|
|
|
some Linux systems. Hope that nobody creates an
|
|
|
|
|
emulation named 486. */
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
/* -mEMUL */
|
|
|
|
|
emulation = &argv[i][2];
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return emulation;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void
|
2003-06-28 07:28:54 +02:00
|
|
|
|
add_ysym (const char *name)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
2003-06-28 07:28:54 +02:00
|
|
|
|
if (link_info.notice_hash == NULL)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
2009-09-11 17:27:38 +02:00
|
|
|
|
link_info.notice_hash =
|
|
|
|
|
(struct bfd_hash_table *) xmalloc (sizeof (struct bfd_hash_table));
|
2006-03-16 13:20:16 +01:00
|
|
|
|
if (!bfd_hash_table_init_n (link_info.notice_hash,
|
|
|
|
|
bfd_hash_newfunc,
|
|
|
|
|
sizeof (struct bfd_hash_entry),
|
|
|
|
|
61))
|
1999-05-03 09:29:11 +02:00
|
|
|
|
einfo (_("%P%F: bfd_hash_table_init failed: %E\n"));
|
2000-09-21 22:21:59 +02:00
|
|
|
|
}
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
2003-06-28 07:28:54 +02:00
|
|
|
|
if (bfd_hash_lookup (link_info.notice_hash, name, TRUE, TRUE) == NULL)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
einfo (_("%P%F: bfd_hash_lookup failed: %E\n"));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Record a symbol to be wrapped, from the --wrap option. */
|
|
|
|
|
|
|
|
|
|
void
|
2003-06-28 07:28:54 +02:00
|
|
|
|
add_wrap (const char *name)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
if (link_info.wrap_hash == NULL)
|
|
|
|
|
{
|
2009-09-11 17:27:38 +02:00
|
|
|
|
link_info.wrap_hash =
|
|
|
|
|
(struct bfd_hash_table *) xmalloc (sizeof (struct bfd_hash_table));
|
2006-03-16 13:20:16 +01:00
|
|
|
|
if (!bfd_hash_table_init_n (link_info.wrap_hash,
|
|
|
|
|
bfd_hash_newfunc,
|
|
|
|
|
sizeof (struct bfd_hash_entry),
|
|
|
|
|
61))
|
1999-05-03 09:29:11 +02:00
|
|
|
|
einfo (_("%P%F: bfd_hash_table_init failed: %E\n"));
|
|
|
|
|
}
|
2003-02-25 11:32:33 +01:00
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
if (bfd_hash_lookup (link_info.wrap_hash, name, TRUE, TRUE) == NULL)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
einfo (_("%P%F: bfd_hash_lookup failed: %E\n"));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Handle the -retain-symbols-file option. */
|
|
|
|
|
|
|
|
|
|
void
|
2003-06-28 07:28:54 +02:00
|
|
|
|
add_keepsyms_file (const char *filename)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
FILE *file;
|
|
|
|
|
char *buf;
|
|
|
|
|
size_t bufsize;
|
|
|
|
|
int c;
|
|
|
|
|
|
|
|
|
|
if (link_info.strip == strip_some)
|
|
|
|
|
einfo (_("%X%P: error: duplicate retain-symbols-file\n"));
|
|
|
|
|
|
|
|
|
|
file = fopen (filename, "r");
|
2003-06-28 07:28:54 +02:00
|
|
|
|
if (file == NULL)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
bfd_set_error (bfd_error_system_call);
|
|
|
|
|
einfo ("%X%P: %s: %E\n", filename);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
2009-09-11 17:27:38 +02:00
|
|
|
|
link_info.keep_hash = (struct bfd_hash_table *)
|
|
|
|
|
xmalloc (sizeof (struct bfd_hash_table));
|
2006-03-16 13:20:16 +01:00
|
|
|
|
if (!bfd_hash_table_init (link_info.keep_hash, bfd_hash_newfunc,
|
|
|
|
|
sizeof (struct bfd_hash_entry)))
|
1999-05-03 09:29:11 +02:00
|
|
|
|
einfo (_("%P%F: bfd_hash_table_init failed: %E\n"));
|
|
|
|
|
|
|
|
|
|
bufsize = 100;
|
2009-09-11 17:27:38 +02:00
|
|
|
|
buf = (char *) xmalloc (bufsize);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
c = getc (file);
|
|
|
|
|
while (c != EOF)
|
|
|
|
|
{
|
2001-09-19 07:33:36 +02:00
|
|
|
|
while (ISSPACE (c))
|
1999-05-03 09:29:11 +02:00
|
|
|
|
c = getc (file);
|
|
|
|
|
|
|
|
|
|
if (c != EOF)
|
|
|
|
|
{
|
|
|
|
|
size_t len = 0;
|
|
|
|
|
|
2001-09-19 07:33:36 +02:00
|
|
|
|
while (! ISSPACE (c) && c != EOF)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
buf[len] = c;
|
|
|
|
|
++len;
|
|
|
|
|
if (len >= bufsize)
|
|
|
|
|
{
|
|
|
|
|
bufsize *= 2;
|
2009-09-11 17:27:38 +02:00
|
|
|
|
buf = (char *) xrealloc (buf, bufsize);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
c = getc (file);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
buf[len] = '\0';
|
|
|
|
|
|
2003-06-28 07:28:54 +02:00
|
|
|
|
if (bfd_hash_lookup (link_info.keep_hash, buf, TRUE, TRUE) == NULL)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
einfo (_("%P%F: bfd_hash_lookup for insertion failed: %E\n"));
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (link_info.strip != strip_none)
|
|
|
|
|
einfo (_("%P: `-retain-symbols-file' overrides `-s' and `-S'\n"));
|
|
|
|
|
|
2003-03-31 20:13:25 +02:00
|
|
|
|
free (buf);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
link_info.strip = strip_some;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Callbacks from the BFD linker routines. */
|
|
|
|
|
|
|
|
|
|
/* This is called when BFD has decided to include an archive member in
|
|
|
|
|
a link. */
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
static bfd_boolean
|
2005-06-03 11:52:50 +02:00
|
|
|
|
add_archive_element (struct bfd_link_info *info,
|
2003-06-28 07:28:54 +02:00
|
|
|
|
bfd *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
|
|
|
|
const char *name,
|
|
|
|
|
bfd **subsbfd ATTRIBUTE_UNUSED)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
lang_input_statement_type *input;
|
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
|
|
|
|
lang_input_statement_type orig_input;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
2009-09-11 17:27:38 +02:00
|
|
|
|
input = (lang_input_statement_type *)
|
|
|
|
|
xcalloc (1, sizeof (lang_input_statement_type));
|
1999-05-03 09:29:11 +02:00
|
|
|
|
input->filename = abfd->filename;
|
|
|
|
|
input->local_sym_name = abfd->filename;
|
|
|
|
|
input->the_bfd = 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
|
|
|
|
/* Save the original data for trace files/tries below, as plugins
|
|
|
|
|
(if enabled) may possibly alter it to point to a replacement
|
|
|
|
|
BFD, but we still want to output the original BFD filename. */
|
|
|
|
|
orig_input = *input;
|
|
|
|
|
#ifdef ENABLE_PLUGINS
|
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 (bfd_my_archive (abfd) != NULL
|
|
|
|
|
&& plugin_active_plugins_p ()
|
|
|
|
|
&& !no_more_claiming)
|
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 must offer this archive member to the plugins to claim. */
|
|
|
|
|
int fd = open (bfd_my_archive (abfd)->filename, O_RDONLY | O_BINARY);
|
|
|
|
|
if (fd >= 0)
|
|
|
|
|
{
|
|
|
|
|
struct ld_plugin_input_file file;
|
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
|
|
|
|
/* Offset and filesize must refer to the individual archive
|
|
|
|
|
member, not the whole file, and must exclude the header.
|
|
|
|
|
Fortunately for us, that is how the data is stored in the
|
|
|
|
|
origin field of the bfd and in the arelt_data. */
|
|
|
|
|
file.name = bfd_my_archive (abfd)->filename;
|
|
|
|
|
file.offset = abfd->origin;
|
|
|
|
|
file.filesize = arelt_size (abfd);
|
|
|
|
|
file.fd = fd;
|
2011-04-20 02:22:08 +02:00
|
|
|
|
plugin_maybe_claim (&file, input);
|
|
|
|
|
if (input->claimed)
|
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
|
|
|
|
{
|
2011-03-10 11:25:02 +01:00
|
|
|
|
input->claim_archive = 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
|
|
|
|
*subsbfd = input->the_bfd;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
#endif /* ENABLE_PLUGINS */
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
ldlang_add_file (input);
|
|
|
|
|
|
2003-06-28 07:28:54 +02:00
|
|
|
|
if (config.map_file != NULL)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
2002-11-30 09:39:46 +01:00
|
|
|
|
static bfd_boolean header_printed;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
struct bfd_link_hash_entry *h;
|
|
|
|
|
bfd *from;
|
|
|
|
|
int len;
|
|
|
|
|
|
2005-06-03 11:52:50 +02:00
|
|
|
|
h = bfd_link_hash_lookup (info->hash, name, FALSE, FALSE, TRUE);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
if (h == NULL)
|
|
|
|
|
from = NULL;
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
switch (h->type)
|
|
|
|
|
{
|
|
|
|
|
default:
|
|
|
|
|
from = NULL;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case bfd_link_hash_defined:
|
|
|
|
|
case bfd_link_hash_defweak:
|
|
|
|
|
from = h->u.def.section->owner;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case bfd_link_hash_undefined:
|
|
|
|
|
case bfd_link_hash_undefweak:
|
|
|
|
|
from = h->u.undef.abfd;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case bfd_link_hash_common:
|
|
|
|
|
from = h->u.c.p->section->owner;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (! header_printed)
|
|
|
|
|
{
|
|
|
|
|
char buf[100];
|
|
|
|
|
|
2001-12-06 11:22:36 +01:00
|
|
|
|
sprintf (buf, _("Archive member included because of file (symbol)\n\n"));
|
1999-05-03 09:29:11 +02:00
|
|
|
|
minfo ("%s", buf);
|
2002-11-30 09:39:46 +01:00
|
|
|
|
header_printed = TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (bfd_my_archive (abfd) == NULL)
|
|
|
|
|
{
|
|
|
|
|
minfo ("%s", bfd_get_filename (abfd));
|
|
|
|
|
len = strlen (bfd_get_filename (abfd));
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
minfo ("%s(%s)", bfd_get_filename (bfd_my_archive (abfd)),
|
|
|
|
|
bfd_get_filename (abfd));
|
|
|
|
|
len = (strlen (bfd_get_filename (bfd_my_archive (abfd)))
|
|
|
|
|
+ strlen (bfd_get_filename (abfd))
|
|
|
|
|
+ 2);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (len >= 29)
|
|
|
|
|
{
|
|
|
|
|
print_nl ();
|
|
|
|
|
len = 0;
|
|
|
|
|
}
|
|
|
|
|
while (len < 30)
|
|
|
|
|
{
|
|
|
|
|
print_space ();
|
|
|
|
|
++len;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (from != NULL)
|
|
|
|
|
minfo ("%B ", from);
|
|
|
|
|
if (h != NULL)
|
|
|
|
|
minfo ("(%T)\n", h->root.string);
|
|
|
|
|
else
|
|
|
|
|
minfo ("(%s)\n", name);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (trace_files || trace_file_tries)
|
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
|
|
|
|
info_msg ("%I\n", &orig_input);
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* This is called when BFD has discovered a symbol which is defined
|
|
|
|
|
multiple times. */
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
static bfd_boolean
|
2011-04-20 02:11:33 +02:00
|
|
|
|
multiple_definition (struct bfd_link_info *info,
|
|
|
|
|
struct bfd_link_hash_entry *h,
|
2003-06-28 07:28:54 +02:00
|
|
|
|
bfd *nbfd,
|
|
|
|
|
asection *nsec,
|
|
|
|
|
bfd_vma nval)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
2011-04-20 02:11:33 +02:00
|
|
|
|
const char *name;
|
|
|
|
|
bfd *obfd;
|
|
|
|
|
asection *osec;
|
|
|
|
|
bfd_vma oval;
|
|
|
|
|
|
|
|
|
|
if (info->allow_multiple_definition)
|
|
|
|
|
return TRUE;
|
|
|
|
|
|
|
|
|
|
switch (h->type)
|
|
|
|
|
{
|
|
|
|
|
case bfd_link_hash_defined:
|
|
|
|
|
osec = h->u.def.section;
|
|
|
|
|
oval = h->u.def.value;
|
|
|
|
|
obfd = h->u.def.section->owner;
|
|
|
|
|
break;
|
|
|
|
|
case bfd_link_hash_indirect:
|
|
|
|
|
osec = bfd_ind_section_ptr;
|
|
|
|
|
oval = 0;
|
|
|
|
|
obfd = NULL;
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
abort ();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Ignore a redefinition of an absolute symbol to the
|
|
|
|
|
same value; it's harmless. */
|
|
|
|
|
if (h->type == bfd_link_hash_defined
|
|
|
|
|
&& bfd_is_abs_section (osec)
|
|
|
|
|
&& bfd_is_abs_section (nsec)
|
|
|
|
|
&& nval == oval)
|
|
|
|
|
return TRUE;
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* If either section has the output_section field set to
|
|
|
|
|
bfd_abs_section_ptr, it means that the section is being
|
|
|
|
|
discarded, and this is not really a multiple definition at all.
|
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
|
|
|
|
FIXME: It would be cleaner to somehow ignore symbols defined in
|
|
|
|
|
sections which are being discarded. */
|
1999-05-03 09:29:11 +02:00
|
|
|
|
if ((osec->output_section != NULL
|
|
|
|
|
&& ! bfd_is_abs_section (osec)
|
|
|
|
|
&& bfd_is_abs_section (osec->output_section))
|
|
|
|
|
|| (nsec->output_section != NULL
|
|
|
|
|
&& ! bfd_is_abs_section (nsec)
|
|
|
|
|
&& bfd_is_abs_section (nsec->output_section)))
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
2011-04-20 02:11:33 +02:00
|
|
|
|
name = h->root.string;
|
|
|
|
|
if (nbfd == NULL)
|
|
|
|
|
{
|
|
|
|
|
nbfd = obfd;
|
|
|
|
|
nsec = osec;
|
|
|
|
|
nval = oval;
|
|
|
|
|
obfd = NULL;
|
|
|
|
|
}
|
1999-05-03 09:29:11 +02:00
|
|
|
|
einfo (_("%X%C: multiple definition of `%T'\n"),
|
|
|
|
|
nbfd, nsec, nval, name);
|
2003-06-28 07:28:54 +02:00
|
|
|
|
if (obfd != NULL)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
einfo (_("%D: first defined here\n"), obfd, osec, oval);
|
2000-09-14 03:39:42 +02:00
|
|
|
|
|
2009-11-26 14:45:25 +01:00
|
|
|
|
if (RELAXATION_ENABLED)
|
2000-09-14 03:39:42 +02:00
|
|
|
|
{
|
|
|
|
|
einfo (_("%P: Disabling relaxation: it will not work with multiple definitions\n"));
|
2009-11-26 14:45:25 +01:00
|
|
|
|
command_line.disable_target_specific_optimizations = -1;
|
2000-09-14 03:39:42 +02:00
|
|
|
|
}
|
2000-09-21 22:21:59 +02:00
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* This is called when there is a definition of a common symbol, or
|
|
|
|
|
when a common symbol is found for a symbol that is already defined,
|
|
|
|
|
or when two common symbols are found. We only do something if
|
|
|
|
|
-warn-common was used. */
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
static bfd_boolean
|
2003-06-28 07:28:54 +02:00
|
|
|
|
multiple_common (struct bfd_link_info *info ATTRIBUTE_UNUSED,
|
2011-04-20 02:11:33 +02:00
|
|
|
|
struct bfd_link_hash_entry *h,
|
2003-06-28 07:28:54 +02:00
|
|
|
|
bfd *nbfd,
|
|
|
|
|
enum bfd_link_hash_type ntype,
|
|
|
|
|
bfd_vma nsize)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
2011-04-20 02:11:33 +02:00
|
|
|
|
const char *name;
|
|
|
|
|
bfd *obfd;
|
|
|
|
|
enum bfd_link_hash_type otype;
|
|
|
|
|
bfd_vma osize;
|
|
|
|
|
|
|
|
|
|
if (!config.warn_common)
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
2011-04-20 02:11:33 +02:00
|
|
|
|
name = h->root.string;
|
|
|
|
|
otype = h->type;
|
|
|
|
|
if (otype == bfd_link_hash_common)
|
|
|
|
|
{
|
|
|
|
|
obfd = h->u.c.p->section->owner;
|
|
|
|
|
osize = h->u.c.size;
|
|
|
|
|
}
|
|
|
|
|
else if (otype == bfd_link_hash_defined
|
|
|
|
|
|| otype == bfd_link_hash_defweak)
|
|
|
|
|
{
|
|
|
|
|
obfd = h->u.def.section->owner;
|
|
|
|
|
osize = 0;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
/* FIXME: It would nice if we could report the BFD which defined
|
|
|
|
|
an indirect symbol, but we don't have anywhere to store the
|
|
|
|
|
information. */
|
|
|
|
|
obfd = NULL;
|
|
|
|
|
osize = 0;
|
|
|
|
|
}
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
if (ntype == bfd_link_hash_defined
|
|
|
|
|
|| ntype == bfd_link_hash_defweak
|
|
|
|
|
|| ntype == bfd_link_hash_indirect)
|
|
|
|
|
{
|
|
|
|
|
ASSERT (otype == bfd_link_hash_common);
|
|
|
|
|
einfo (_("%B: warning: definition of `%T' overriding common\n"),
|
|
|
|
|
nbfd, name);
|
|
|
|
|
if (obfd != NULL)
|
|
|
|
|
einfo (_("%B: warning: common is here\n"), obfd);
|
|
|
|
|
}
|
|
|
|
|
else if (otype == bfd_link_hash_defined
|
|
|
|
|
|| otype == bfd_link_hash_defweak
|
|
|
|
|
|| otype == bfd_link_hash_indirect)
|
|
|
|
|
{
|
|
|
|
|
ASSERT (ntype == bfd_link_hash_common);
|
|
|
|
|
einfo (_("%B: warning: common of `%T' overridden by definition\n"),
|
|
|
|
|
nbfd, name);
|
|
|
|
|
if (obfd != NULL)
|
|
|
|
|
einfo (_("%B: warning: defined here\n"), obfd);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
ASSERT (otype == bfd_link_hash_common && ntype == bfd_link_hash_common);
|
|
|
|
|
if (osize > nsize)
|
|
|
|
|
{
|
|
|
|
|
einfo (_("%B: warning: common of `%T' overridden by larger common\n"),
|
|
|
|
|
nbfd, name);
|
|
|
|
|
if (obfd != NULL)
|
|
|
|
|
einfo (_("%B: warning: larger common is here\n"), obfd);
|
|
|
|
|
}
|
|
|
|
|
else if (nsize > osize)
|
|
|
|
|
{
|
|
|
|
|
einfo (_("%B: warning: common of `%T' overriding smaller common\n"),
|
|
|
|
|
nbfd, name);
|
|
|
|
|
if (obfd != NULL)
|
|
|
|
|
einfo (_("%B: warning: smaller common is here\n"), obfd);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
einfo (_("%B: warning: multiple common of `%T'\n"), nbfd, name);
|
|
|
|
|
if (obfd != NULL)
|
|
|
|
|
einfo (_("%B: warning: previous common is here\n"), obfd);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* This is called when BFD has discovered a set element. H is the
|
|
|
|
|
entry in the linker hash table for the set. SECTION and VALUE
|
|
|
|
|
represent a value which should be added to the set. */
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
static bfd_boolean
|
2003-06-28 07:28:54 +02:00
|
|
|
|
add_to_set (struct bfd_link_info *info ATTRIBUTE_UNUSED,
|
|
|
|
|
struct bfd_link_hash_entry *h,
|
|
|
|
|
bfd_reloc_code_real_type reloc,
|
|
|
|
|
bfd *abfd,
|
|
|
|
|
asection *section,
|
|
|
|
|
bfd_vma value)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
if (config.warn_constructors)
|
|
|
|
|
einfo (_("%P: warning: global constructor %s used\n"),
|
|
|
|
|
h->root.string);
|
|
|
|
|
|
|
|
|
|
if (! config.build_constructors)
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
2003-06-28 07:28:54 +02:00
|
|
|
|
ldctor_add_set_entry (h, reloc, NULL, section, value);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
if (h->type == bfd_link_hash_new)
|
|
|
|
|
{
|
|
|
|
|
h->type = bfd_link_hash_undefined;
|
|
|
|
|
h->u.undef.abfd = abfd;
|
|
|
|
|
/* We don't call bfd_link_add_undef to add this to the list of
|
|
|
|
|
undefined symbols because we are going to define it
|
|
|
|
|
ourselves. */
|
|
|
|
|
}
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* This is called when BFD has discovered a constructor. This is only
|
|
|
|
|
called for some object file formats--those which do not handle
|
|
|
|
|
constructors in some more clever fashion. This is similar to
|
|
|
|
|
adding an element to a set, but less general. */
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
static bfd_boolean
|
2003-06-28 07:28:54 +02:00
|
|
|
|
constructor_callback (struct bfd_link_info *info,
|
|
|
|
|
bfd_boolean constructor,
|
|
|
|
|
const char *name,
|
|
|
|
|
bfd *abfd,
|
|
|
|
|
asection *section,
|
|
|
|
|
bfd_vma value)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
char *s;
|
|
|
|
|
struct bfd_link_hash_entry *h;
|
|
|
|
|
char set_name[1 + sizeof "__CTOR_LIST__"];
|
|
|
|
|
|
|
|
|
|
if (config.warn_constructors)
|
|
|
|
|
einfo (_("%P: warning: global constructor %s used\n"), name);
|
|
|
|
|
|
|
|
|
|
if (! config.build_constructors)
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
/* Ensure that BFD_RELOC_CTOR exists now, so that we can give a
|
|
|
|
|
useful error message. */
|
2008-02-15 04:35:53 +01:00
|
|
|
|
if (bfd_reloc_type_lookup (link_info.output_bfd, BFD_RELOC_CTOR) == NULL
|
2005-06-03 11:52:50 +02:00
|
|
|
|
&& (info->relocatable
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|| bfd_reloc_type_lookup (abfd, BFD_RELOC_CTOR) == NULL))
|
|
|
|
|
einfo (_("%P%F: BFD backend error: BFD_RELOC_CTOR unsupported\n"));
|
|
|
|
|
|
|
|
|
|
s = set_name;
|
|
|
|
|
if (bfd_get_symbol_leading_char (abfd) != '\0')
|
|
|
|
|
*s++ = bfd_get_symbol_leading_char (abfd);
|
|
|
|
|
if (constructor)
|
|
|
|
|
strcpy (s, "__CTOR_LIST__");
|
|
|
|
|
else
|
|
|
|
|
strcpy (s, "__DTOR_LIST__");
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
h = bfd_link_hash_lookup (info->hash, set_name, TRUE, TRUE, TRUE);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
if (h == (struct bfd_link_hash_entry *) NULL)
|
|
|
|
|
einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
|
|
|
|
|
if (h->type == bfd_link_hash_new)
|
|
|
|
|
{
|
|
|
|
|
h->type = bfd_link_hash_undefined;
|
|
|
|
|
h->u.undef.abfd = abfd;
|
|
|
|
|
/* We don't call bfd_link_add_undef to add this to the list of
|
|
|
|
|
undefined symbols because we are going to define it
|
|
|
|
|
ourselves. */
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ldctor_add_set_entry (h, BFD_RELOC_CTOR, name, section, value);
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* A structure used by warning_callback to pass information through
|
|
|
|
|
bfd_map_over_sections. */
|
|
|
|
|
|
2003-02-25 11:32:33 +01:00
|
|
|
|
struct warning_callback_info
|
|
|
|
|
{
|
2002-11-30 09:39:46 +01:00
|
|
|
|
bfd_boolean found;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
const char *warning;
|
|
|
|
|
const char *symbol;
|
|
|
|
|
asymbol **asymbols;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/* This is called when there is a reference to a warning symbol. */
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
static bfd_boolean
|
2003-06-28 07:28:54 +02:00
|
|
|
|
warning_callback (struct bfd_link_info *info ATTRIBUTE_UNUSED,
|
|
|
|
|
const char *warning,
|
|
|
|
|
const char *symbol,
|
|
|
|
|
bfd *abfd,
|
|
|
|
|
asection *section,
|
|
|
|
|
bfd_vma address)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
/* This is a hack to support warn_multiple_gp. FIXME: This should
|
|
|
|
|
have a cleaner interface, but what? */
|
|
|
|
|
if (! config.warn_multiple_gp
|
|
|
|
|
&& strcmp (warning, "using multiple gp values") == 0)
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
if (section != NULL)
|
2005-02-08 04:51:32 +01:00
|
|
|
|
einfo ("%C: %s%s\n", abfd, section, address, _("warning: "), warning);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
else if (abfd == NULL)
|
2005-02-08 04:51:32 +01:00
|
|
|
|
einfo ("%P: %s%s\n", _("warning: "), warning);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
else if (symbol == NULL)
|
2005-02-08 04:51:32 +01:00
|
|
|
|
einfo ("%B: %s%s\n", abfd, _("warning: "), warning);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
else
|
|
|
|
|
{
|
2009-12-11 14:42:17 +01:00
|
|
|
|
struct warning_callback_info cinfo;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
|
|
|
|
/* Look through the relocs to see if we can find a plausible
|
|
|
|
|
address. */
|
2008-08-17 05:12:50 +02:00
|
|
|
|
|
|
|
|
|
if (!bfd_generic_link_read_symbols (abfd))
|
|
|
|
|
einfo (_("%B%F: could not read symbols: %E\n"), abfd);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
2009-12-11 14:42:17 +01:00
|
|
|
|
cinfo.found = FALSE;
|
|
|
|
|
cinfo.warning = warning;
|
|
|
|
|
cinfo.symbol = symbol;
|
|
|
|
|
cinfo.asymbols = bfd_get_outsymbols (abfd);
|
|
|
|
|
bfd_map_over_sections (abfd, warning_find_reloc, &cinfo);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
2009-12-11 14:42:17 +01:00
|
|
|
|
if (! cinfo.found)
|
2005-02-08 04:51:32 +01:00
|
|
|
|
einfo ("%B: %s%s\n", abfd, _("warning: "), warning);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* This is called by warning_callback for each section. It checks the
|
|
|
|
|
relocs of the section to see if it can find a reference to the
|
|
|
|
|
symbol which triggered the warning. If it can, it uses the reloc
|
|
|
|
|
to give an error message with a file and line number. */
|
|
|
|
|
|
|
|
|
|
static void
|
2003-06-28 07:28:54 +02:00
|
|
|
|
warning_find_reloc (bfd *abfd, asection *sec, void *iarg)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
2009-09-11 17:27:38 +02:00
|
|
|
|
struct warning_callback_info *info = (struct warning_callback_info *) iarg;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
long relsize;
|
|
|
|
|
arelent **relpp;
|
|
|
|
|
long relcount;
|
|
|
|
|
arelent **p, **pend;
|
|
|
|
|
|
|
|
|
|
if (info->found)
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
relsize = bfd_get_reloc_upper_bound (abfd, sec);
|
|
|
|
|
if (relsize < 0)
|
|
|
|
|
einfo (_("%B%F: could not read relocs: %E\n"), abfd);
|
|
|
|
|
if (relsize == 0)
|
|
|
|
|
return;
|
|
|
|
|
|
2009-09-11 17:27:38 +02:00
|
|
|
|
relpp = (arelent **) xmalloc (relsize);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
relcount = bfd_canonicalize_reloc (abfd, sec, relpp, info->asymbols);
|
|
|
|
|
if (relcount < 0)
|
|
|
|
|
einfo (_("%B%F: could not read relocs: %E\n"), abfd);
|
|
|
|
|
|
|
|
|
|
p = relpp;
|
|
|
|
|
pend = p + relcount;
|
|
|
|
|
for (; p < pend && *p != NULL; p++)
|
|
|
|
|
{
|
|
|
|
|
arelent *q = *p;
|
|
|
|
|
|
|
|
|
|
if (q->sym_ptr_ptr != NULL
|
|
|
|
|
&& *q->sym_ptr_ptr != NULL
|
|
|
|
|
&& strcmp (bfd_asymbol_name (*q->sym_ptr_ptr), info->symbol) == 0)
|
|
|
|
|
{
|
|
|
|
|
/* We found a reloc for the symbol we are looking for. */
|
2005-02-08 04:51:32 +01:00
|
|
|
|
einfo ("%C: %s%s\n", abfd, sec, q->address, _("warning: "),
|
|
|
|
|
info->warning);
|
2002-11-30 09:39:46 +01:00
|
|
|
|
info->found = TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
free (relpp);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* This is called when an undefined symbol is found. */
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
static bfd_boolean
|
2003-06-28 07:28:54 +02:00
|
|
|
|
undefined_symbol (struct bfd_link_info *info ATTRIBUTE_UNUSED,
|
|
|
|
|
const char *name,
|
|
|
|
|
bfd *abfd,
|
|
|
|
|
asection *section,
|
|
|
|
|
bfd_vma address,
|
2003-08-12 18:46:17 +02:00
|
|
|
|
bfd_boolean error)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
static char *error_name;
|
|
|
|
|
static unsigned int error_count;
|
|
|
|
|
|
|
|
|
|
#define MAX_ERRORS_IN_A_ROW 5
|
|
|
|
|
|
|
|
|
|
if (config.warn_once)
|
|
|
|
|
{
|
|
|
|
|
static struct bfd_hash_table *hash;
|
|
|
|
|
|
|
|
|
|
/* Only warn once about a particular undefined symbol. */
|
|
|
|
|
if (hash == NULL)
|
|
|
|
|
{
|
2009-09-11 17:27:38 +02:00
|
|
|
|
hash = (struct bfd_hash_table *)
|
|
|
|
|
xmalloc (sizeof (struct bfd_hash_table));
|
2006-03-16 13:20:16 +01:00
|
|
|
|
if (!bfd_hash_table_init (hash, bfd_hash_newfunc,
|
|
|
|
|
sizeof (struct bfd_hash_entry)))
|
1999-05-03 09:29:11 +02:00
|
|
|
|
einfo (_("%F%P: bfd_hash_table_init failed: %E\n"));
|
|
|
|
|
}
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
if (bfd_hash_lookup (hash, name, FALSE, FALSE) != NULL)
|
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
if (bfd_hash_lookup (hash, name, TRUE, TRUE) == NULL)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
einfo (_("%F%P: bfd_hash_lookup failed: %E\n"));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* We never print more than a reasonable number of errors in a row
|
|
|
|
|
for a single symbol. */
|
2003-06-28 07:28:54 +02:00
|
|
|
|
if (error_name != NULL
|
1999-05-03 09:29:11 +02:00
|
|
|
|
&& strcmp (name, error_name) == 0)
|
|
|
|
|
++error_count;
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
error_count = 0;
|
2003-06-28 07:28:54 +02:00
|
|
|
|
if (error_name != NULL)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
free (error_name);
|
2001-05-02 18:42:55 +02:00
|
|
|
|
error_name = xstrdup (name);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (section != NULL)
|
|
|
|
|
{
|
|
|
|
|
if (error_count < MAX_ERRORS_IN_A_ROW)
|
2000-03-01 20:37:03 +01:00
|
|
|
|
{
|
2003-08-12 18:46:17 +02:00
|
|
|
|
if (error)
|
|
|
|
|
einfo (_("%X%C: undefined reference to `%T'\n"),
|
|
|
|
|
abfd, section, address, name);
|
|
|
|
|
else
|
|
|
|
|
einfo (_("%C: warning: undefined reference to `%T'\n"),
|
|
|
|
|
abfd, section, address, name);
|
2000-03-01 20:37:03 +01:00
|
|
|
|
}
|
1999-05-03 09:29:11 +02:00
|
|
|
|
else if (error_count == MAX_ERRORS_IN_A_ROW)
|
2003-08-12 18:46:17 +02:00
|
|
|
|
{
|
|
|
|
|
if (error)
|
|
|
|
|
einfo (_("%X%D: more undefined references to `%T' follow\n"),
|
|
|
|
|
abfd, section, address, name);
|
|
|
|
|
else
|
|
|
|
|
einfo (_("%D: warning: more undefined references to `%T' follow\n"),
|
|
|
|
|
abfd, section, address, name);
|
|
|
|
|
}
|
|
|
|
|
else if (error)
|
|
|
|
|
einfo ("%X");
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
if (error_count < MAX_ERRORS_IN_A_ROW)
|
2000-03-01 20:37:03 +01:00
|
|
|
|
{
|
2003-08-12 18:46:17 +02:00
|
|
|
|
if (error)
|
|
|
|
|
einfo (_("%X%B: undefined reference to `%T'\n"),
|
|
|
|
|
abfd, name);
|
|
|
|
|
else
|
|
|
|
|
einfo (_("%B: warning: undefined reference to `%T'\n"),
|
|
|
|
|
abfd, name);
|
2000-03-01 20:37:03 +01:00
|
|
|
|
}
|
1999-05-03 09:29:11 +02:00
|
|
|
|
else if (error_count == MAX_ERRORS_IN_A_ROW)
|
2003-08-12 18:46:17 +02:00
|
|
|
|
{
|
|
|
|
|
if (error)
|
|
|
|
|
einfo (_("%X%B: more undefined references to `%T' follow\n"),
|
|
|
|
|
abfd, name);
|
|
|
|
|
else
|
|
|
|
|
einfo (_("%B: warning: more undefined references to `%T' follow\n"),
|
|
|
|
|
abfd, name);
|
|
|
|
|
}
|
|
|
|
|
else if (error)
|
|
|
|
|
einfo ("%X");
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
2003-05-07 06:14:57 +02:00
|
|
|
|
/* Counter to limit the number of relocation overflow error messages
|
|
|
|
|
to print. Errors are printed as it is decremented. When it's
|
|
|
|
|
called and the counter is zero, a final message is printed
|
|
|
|
|
indicating more relocations were omitted. When it gets to -1, no
|
|
|
|
|
such errors are printed. If it's initially set to a value less
|
|
|
|
|
than -1, all such errors will be printed (--verbose does this). */
|
|
|
|
|
|
|
|
|
|
int overflow_cutoff_limit = 10;
|
|
|
|
|
|
1999-05-03 09:29:11 +02:00
|
|
|
|
/* This is called when a reloc overflows. */
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
static bfd_boolean
|
2003-06-28 07:28:54 +02:00
|
|
|
|
reloc_overflow (struct bfd_link_info *info ATTRIBUTE_UNUSED,
|
2004-10-21 17:28:33 +02:00
|
|
|
|
struct bfd_link_hash_entry *entry,
|
2003-06-28 07:28:54 +02:00
|
|
|
|
const char *name,
|
|
|
|
|
const char *reloc_name,
|
|
|
|
|
bfd_vma addend,
|
|
|
|
|
bfd *abfd,
|
|
|
|
|
asection *section,
|
|
|
|
|
bfd_vma address)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
2003-05-07 06:14:57 +02:00
|
|
|
|
if (overflow_cutoff_limit == -1)
|
|
|
|
|
return TRUE;
|
|
|
|
|
|
2005-06-03 11:52:50 +02:00
|
|
|
|
einfo ("%X%C:", abfd, section, address);
|
2003-05-07 06:14:57 +02:00
|
|
|
|
|
|
|
|
|
if (overflow_cutoff_limit >= 0
|
|
|
|
|
&& overflow_cutoff_limit-- == 0)
|
|
|
|
|
{
|
|
|
|
|
einfo (_(" additional relocation overflows omitted from the output\n"));
|
|
|
|
|
return TRUE;
|
|
|
|
|
}
|
|
|
|
|
|
2004-10-21 17:28:33 +02:00
|
|
|
|
if (entry)
|
|
|
|
|
{
|
|
|
|
|
while (entry->type == bfd_link_hash_indirect
|
|
|
|
|
|| entry->type == bfd_link_hash_warning)
|
|
|
|
|
entry = entry->u.i.link;
|
|
|
|
|
switch (entry->type)
|
|
|
|
|
{
|
|
|
|
|
case bfd_link_hash_undefined:
|
|
|
|
|
case bfd_link_hash_undefweak:
|
|
|
|
|
einfo (_(" relocation truncated to fit: %s against undefined symbol `%T'"),
|
|
|
|
|
reloc_name, entry->root.string);
|
|
|
|
|
break;
|
|
|
|
|
case bfd_link_hash_defined:
|
|
|
|
|
case bfd_link_hash_defweak:
|
|
|
|
|
einfo (_(" relocation truncated to fit: %s against symbol `%T' defined in %A section in %B"),
|
|
|
|
|
reloc_name, entry->root.string,
|
2005-05-10 03:06:04 +02:00
|
|
|
|
entry->u.def.section,
|
|
|
|
|
entry->u.def.section == bfd_abs_section_ptr
|
2008-02-15 04:35:53 +01:00
|
|
|
|
? link_info.output_bfd : entry->u.def.section->owner);
|
2004-10-21 17:28:33 +02:00
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
abort ();
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
einfo (_(" relocation truncated to fit: %s against `%T'"),
|
|
|
|
|
reloc_name, name);
|
1999-05-03 09:29:11 +02:00
|
|
|
|
if (addend != 0)
|
|
|
|
|
einfo ("+%v", addend);
|
|
|
|
|
einfo ("\n");
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* This is called when a dangerous relocation is made. */
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
static bfd_boolean
|
2003-06-28 07:28:54 +02:00
|
|
|
|
reloc_dangerous (struct bfd_link_info *info ATTRIBUTE_UNUSED,
|
|
|
|
|
const char *message,
|
|
|
|
|
bfd *abfd,
|
|
|
|
|
asection *section,
|
|
|
|
|
bfd_vma address)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
2005-06-03 11:52:50 +02:00
|
|
|
|
einfo (_("%X%C: dangerous relocation: %s\n"),
|
|
|
|
|
abfd, section, address, message);
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* This is called when a reloc is being generated attached to a symbol
|
|
|
|
|
that is not being output. */
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
static bfd_boolean
|
2003-06-28 07:28:54 +02:00
|
|
|
|
unattached_reloc (struct bfd_link_info *info ATTRIBUTE_UNUSED,
|
|
|
|
|
const char *name,
|
|
|
|
|
bfd *abfd,
|
|
|
|
|
asection *section,
|
|
|
|
|
bfd_vma address)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
2005-06-03 11:52:50 +02:00
|
|
|
|
einfo (_("%X%C: reloc refers to symbol `%T' which is not being output\n"),
|
|
|
|
|
abfd, section, address, name);
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* This is called if link_info.notice_all is set, or when a symbol in
|
|
|
|
|
link_info.notice_hash is found. Symbols are put in notice_hash
|
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
|
|
|
|
using the -y option, while notice_all is set if the --cref option
|
|
|
|
|
has been supplied, or if there are any NOCROSSREFS sections in the
|
|
|
|
|
linker script; and if plugins are active, since they need to monitor
|
|
|
|
|
all references from non-IR files. */
|
1999-05-03 09:29:11 +02:00
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
static bfd_boolean
|
2003-06-28 07:28:54 +02:00
|
|
|
|
notice (struct bfd_link_info *info,
|
|
|
|
|
const char *name,
|
|
|
|
|
bfd *abfd,
|
|
|
|
|
asection *section,
|
|
|
|
|
bfd_vma value)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
2006-07-19 03:50:23 +02:00
|
|
|
|
if (name == NULL)
|
|
|
|
|
{
|
|
|
|
|
if (command_line.cref || nocrossref_list != NULL)
|
2009-09-11 17:27:38 +02:00
|
|
|
|
return handle_asneeded_cref (abfd, (enum notice_asneeded_action) value);
|
2006-07-19 03:50:23 +02:00
|
|
|
|
return 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 (info->notice_hash != 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
|
|
|
|
&& bfd_hash_lookup (info->notice_hash, name, FALSE, FALSE) != NULL)
|
1999-05-03 09:29:11 +02:00
|
|
|
|
{
|
|
|
|
|
if (bfd_is_und_section (section))
|
|
|
|
|
einfo ("%B: reference to %s\n", abfd, name);
|
|
|
|
|
else
|
|
|
|
|
einfo ("%B: definition of %s\n", abfd, name);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (command_line.cref || nocrossref_list != NULL)
|
|
|
|
|
add_cref (name, abfd, section, value);
|
|
|
|
|
|
2002-11-30 09:39:46 +01:00
|
|
|
|
return TRUE;
|
1999-05-03 09:29:11 +02:00
|
|
|
|
}
|