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binutils-gdb/gold/ChangeLog
Ian Lance Taylor 266d0a7434 * options.h (enum Incremental_disposition): Define. 
(class General_options): Add new options: --incremental,
	--incremental_changed, --incremental_unchanged,
	--incremental_unknown.  Add incremental_disposition_ and
	implicit_incremental_ fields.
	(General_options::incremental_disposition): New function.
	(class Position_dependent_options): Add incremental_disposition
	option.
	(Position_dependent_options::copy_from_options): Set incremental
	dispositions.
	* options.cc (General_options::parse_incremental_changed): New
	function.
        (General_options::parse_incremental_unchanged): New function.
        (General_options::parse_incremental_unknown): New function.
        (General_options::General_options): Initialize new fields
	incremental_disposition_ and implicit_incremental_.
        (General_options::finalize): Check for uasge of --incremental-*
	without --incremental.
2009-02-06 23:49:43 +00:00

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2009-02-06 Mikolaj Zalewski <mikolajz@google.com>
* options.h (enum Incremental_disposition): Define.
(class General_options): Add new options: --incremental,
--incremental_changed, --incremental_unchanged,
--incremental_unknown. Add incremental_disposition_ and
implicit_incremental_ fields.
(General_options::incremental_disposition): New function.
(class Position_dependent_options): Add incremental_disposition
option.
(Position_dependent_options::copy_from_options): Set incremental
dispositions.
* options.cc (General_options::parse_incremental_changed): New
function.
(General_options::parse_incremental_unchanged): New function.
(General_options::parse_incremental_unknown): New function.
(General_options::General_options): Initialize new fields
incremental_disposition_ and implicit_incremental_.
(General_options::finalize): Check for uasge of --incremental-*
without --incremental.
2009-02-06 Chris Demetriou <cgd@google.com>
* gold.h (gold_undefined_symbol): Change to take only a Symbol
pointer and to report location as the file name associated with
the symbol.
(gold_undefined_symbol_at_location): New function to replace the
old gold_undefined_symbol functionality.
* target-reloc.h (relocate_section): Update to use
gold_undefined_symbol_at_location.
* symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
Call gold_undefined_symbol function rather than gold_error.
* errors.h (Errors::undefined_symbol): Take location as a
string, rather than calculating it from a relocation.
* errors.cc (Errors::fatal): Print "fatal error:" before the
formatted message.
(Errors::error, Errors::error_at_location): Print "error: "
before the formatted message.
(Errors::undefined_symbol): Take location as a string, rather
than calculating it from a relocation.
(gold_undefined_symbol_at_location): New function akin to
old gold_undefined_symbol, calculates location from relocation.
(gold_undefined_symbol): Change to take only a Symbol pointer
and to report location as the file name associated with the symbol.
* testsuite/debug_msg.sh: Update for changed error messages.
* testsuite/undef_symbol.sh: Likewise.
2009-02-04 Duncan Sands <baldrick@free.fr>
PR 9812
* reduced_debug_output.h
(Output_reduced_debug_abbrev_section::failed): Use format for
gold_warning.
(Output_reduced_debug_info_section::faild): Likewise.
2009-01-31 Mikolaj Zalewski <mikolajz@google.com>
* script.cc (Lazy_demangler): New class.
(Version_script_info::get_symbol_version_helper): Demangle a
symbol only once.
2009-01-29 Cary Coutant <ccoutant@google.com>
* i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
to __tls_get_addr.
* x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2009-01-28 Ian Lance Taylor <iant@google.com>
* version.cc (version_string): Bump to 1.9.
* gold.h: Include <cstring> and <stdint.h>.
* version.cc: Include <cstdio>.
* object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
warning.
* reduced_debug_output.cc (insert_into_vector): Rename from
Insert_into_vector; change all callers. Use Swap_unaligned to
avoid aliasing issue; remove union since it is unnecessary.
2009-01-27 Sriraman Tallam <tmsriram@google.com>
* Makefile.am (CCFILES): Add gc.cc.
(HFILES): Add gc.h.
* Makefile.in: Regenerate.
* gold.cc (Gc_runner): New class.
(queue_initial_tasks): Call garbage collection related tasks
when corresponding options are invoked.
(queue_middle_gc_tasks): New function.
(queue_middle_tasks): Reorder tasks to allow relocs to be read and
processed early before laying out sections during garbage collection.
* gold.h (queue_middle_gc_tasks): New function.
(is_prefix_of): Move from "layout.cc".
* i386.cc (Target_i386::gc_process_relocs): New function.
* layout.cc (is_prefix_of): Remove. Move to "gold.h"
* main.cc (main): Create object of class "Garbage_collection".
* object.cc (Relobj::copy_symbols_data): New function.
(Relobj::is_section_name_included): New function.
(Sized_relobj::do_layout): Allow this function to be called twice
during garbage collection and defer layout of section during the
first call.
* object.h (Relobj::get_symbols_data): New function.
(Relobj::is_section_name_included): New function.
(Relobj::copy_symbols_data): New function.
(Relobj::set_symbols_data): New function.
(Relobj::get_relocs_data): New function.
(Relobj::set_relocs_data): New function.
(Relobj::is_output_section_offset_invalid): New pure virtual function.
(Relobj::gc_process_relocs): New function.
(Relobj::do_gc_process_relocs): New pure virtual function.
(Relobj::sd_): New data member.
(Sized_relobj::is_output_section_offset_invalid): New function.
(Sized_relobj::do_gc_process_relocs): New function.
* options.h (General_options::gc_sections): Modify to not be a no-op.
(General_options::print_gc_sections): New option.
* plugin.cc (Plugin_finish::run): Remove function call to
Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
* powerpc.cc (Target_powerpc::gc_process_relocs): New function.
* reloc.cc (Read_relocs::run): Add task to process relocs and
determine unreferenced sections when doing garbage collection.
(Gc_process_relocs): New class.
(Sized_relobj::do_gc_process_relocs): New function.
(Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
sections that are garbage collected.
* reloc.h (Gc_process_relocs): New class.
* sparc.cc (Target_sparc::gc_process_relocs): New function.
* symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
symbols whose corresponding sections are garbage collected.
(Symbol_table::Symbol_table): Add new parameter for the garbage
collection object.
(Symbol_table::gc_mark_undef_symbols): New function.
(Symbol_table::gc_mark_symbol_for_shlib): New function.
(Symbol_table::gc_mark_dyn_syms): New function.
(Symbol_table::resolve): Do not treat symbols seen in dynamic objects
as garbage.
(Symbol_table::add_from_object): Likewise.
(Symbol_table::add_from_relobj): When building shared objects, do not
treat externally visible symbols as garbage.
(Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
table information for static and relocatable links.
* symtab.h (Symbol_table::set_gc): New function.
(Symbol_table::gc): New function.
(Symbol_table::gc_mark_undef_symbols): New function.
(Symbol_table::gc_mark_symbol_for_shlib): New function.
(Symbol_table::gc_mark_dyn_syms): New function.
(Symbol_table::gc_): New data member.
* target.h (Sized_target::gc_process_relocs): New pure virtual
function.
* x86_64.cc (Target_x86_64::gc_process_relocs): New function.
* testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
2009-01-20 Chris Faylor <me.sourceware@sourceware.org>
* options.h (General_options::gc_sections): Define as a no-op for now.
(General_options::no_keep_memory): Ditto.
(General_options::Bshareable): Define.
* options.cc (General_options::finalize): Honor -Bshareable.
2009-01-20 Andreas Schwab <schwab@suse.de>
* powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
read the value in the contents, since we don't use it. Use the
template endianness when writing.
(Relocate::relocate): Use it for R_PPC_REL16_HA.
2009-01-19 Andreas Schwab <schwab@suse.de>
* configure.tgt (powerpc64-*): Fix targ_obj.
2009-01-15 Ian Lance Taylor <iant@google.com>
* object.cc (Sized_relobj::write_local_symbols): Don't write out
local symbols when stripping all symbols.
2009-01-14 Cary Coutant <ccoutant@google.com>
* output.cc (Output_reloc): Add explicit instantiations.
2009-01-14 Cary Coutant <ccoutant@google.com>
* archive.cc (Archive::get_elf_object_for_member): Remove call
to File_read::claim_for_plugin.
* descriptors.cc (Descriptors::open): Remove reference to
is_claimed.
(Descriptors::claim_for_plugin): Remove.
* descriptors.h (Descriptors::claim_for_plugin): Remove.
(Descriptors::is_claimed): Remove.
(claim_descriptor_for_plugin): Remove.
* fileread.cc (File_read::claim_for_plugin): Remove.
* fileread.h (File_read::claim_for_plugin): Remove.
(File_read::descriptor): Reopen descriptor if necessary.
* plugin.cc (Plugin::load): Add two new APIs to transfer vector.
(Plugin_manager::all_symbols_read): Add task parameter. Change
all callers.
(Plugin_manager::get_input_file): New function.
(Plugin_manager::release_input_file): New function.
(Pluginobj::Pluginobj): Add filesize parameter and initialize
corresponding data member.
(Sized_pluginobj::Sized_pluginobj): Add filesize parameter
and pass to base constructor. Change all callers.
(get_input_file, release_input_file): New functions.
(make_sized_plugin_object): Add filesize parameter. Change all callers.
* plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
(Plugin_manager::all_symbols_read): Add task parameter.
(Plugin_manager::get_input_file): New function.
(Plugin_manager::release_input_file): New function.
(Plugin_manager::task_): New data member.
(Pluginobj::Pluginobj): Add filesize parameter.
(Pluginobj::filename): New function.
(Pluginobj::descriptor): New function.
(Pluginobj::filesize): New function.
(Pluginobj::filesize_): New data member.
(Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
* readsyms.cc (Read_symbols::do_read_symbols): Remove call to
File_read::claim_for_plugin; use Object::unlock to unlock the file.
* testsuite/Makefile.am (plugin_test_4): New test case for plugins
with archive libraries.
* testsuite/Makefile.in: Regenerate.
* testsuite/plugin_test.c (struct sym_info): New type.
(get_input_file, release_input_file): New static variables.
(onload): Capture new transfer vector entries.
(claim_file_hook): Stop reading at end of file according to filesize.
Factor out parsing of readelf output into separate function.
(all_symbols_read_hook): Exercise get_input_file and release_input_file
APIs and get the source file name from the symbol table. Convert
source file name to corresponding object file name. Print info
message when adding new input files.
(parse_readelf_line): New function.
* testsuite/plugin_test_1.sh: Add checks for new info messages.
* testsuite/plugin_test_2.sh: Likewise.
* testsuite/plugin_test_3.sh: Likewise.
* testsuite/plugin_test_4.sh: New test case.
2009-01-07 Ian Lance Taylor <iant@google.com>
* version.cc (version_string): Bump to 1.8.
2008-12-23 Cary Coutant <ccoutant@google.com>
* gold.cc (gold_exit): Call plugin cleanup handlers on exit.
* plugin.cc (Plugin_manager::finish): Rename as
layout_deferred_objects. Move cleanup to separate function.
(Plugin_manager::cleanup): New function.
(Plugin_finish::run): Call layout_deferred_objects and cleanup
separately.
* plugin.h (Plugin_manager::finish): Rename as
layout_deferred_objects.
(Plugin_manager::cleanup): New function.
(Plugin_manager::cleanup_done): New field.
2008-12-23 Cary Coutant <ccoutant@google.com>
* plugin.cc (is_visible_from_outside): New function.
(Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
so we don't return "IR only" status for exported symbols or -r links.
* testsuite/Makefile.am (plugin_test_3): New test case.
* testsuite/Makefile.in: Regenerate.
* testsuite/plugin_test_3.sh: New file.
2008-12-22 Cary Coutant <ccoutant@google.com>
* object.cc (Sized_relobj::layout_section): New function.
(Sized_relobj::do_layout): Defer layout of input sections until after
plugin has provided replacement files.
(Sized_relobj::do_layout_deferred_sections): New function.
* object.h (Relobj::set_section_offset): Remove virtual keyword.
(Relobj::layout_deferred_sections): New function.
(Relobj::do_layout_deferred_sections): New function.
(Sized_relobj::do_layout_deferred_sections): New function.
(Sized_relobj::layout_section): New function.
(Sized_relobj::Deferred_layout): New structure.
(Sized_relobj::deferred_layout_): New field.
* plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
Change all callers. Layout deferred sections.
(class Plugin_finish): Renamed, was Plugin_cleanup. Change all
references.
(Plugin_hook::run): Move code from do_plugin_hook inline.
(Plugin_hook::do_plugin_hook): Remove.
* plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
(Plugin_manager::finish): Renamed, was cleanup.
(Plugin_manager::should_defer_layout): New function.
(Plugin_manager::add_deferred_layout_object): New function.
(Plugin_manager::Deferred_layout_list): New type.
(Plugin_manager::deferred_layout_objects_): New field.
(Plugin_hook::do_plugin_hook): Remove.
2008-12-17 Ian Lance Taylor <iant@google.com>
* options.h (class General_options): Add --no case for
--export-dynamic.
2008-12-16 Cary Coutant <ccoutant@google.com>
* plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
vector.
(Plugin_manager::claim_file): Create plugin object even if
plugin did not call the add_symbols callback.
(Plugin_obj::get_symbol_resolution_info): Guard against plugin
asking for more symbols than were added.
* testsuite/Makefile.am (plugin_test_1): Add test case with
no global symbols.
(empty.syms): New target.
* testsuite/Makefile.in: Regenerate.
* testsuite/plugin_test.c (claim_file_hook): Add new debug
message. Don't call add_symbols if no globals.
(all_symbols_read_hook): Don't provide replacement for empty
claimed file.
2008-12-12 Ian Lance Taylor <iant@google.com>
* target-reloc.h (Default_scan_relocatable_relocs): Only discard
r_type == 0 for a local symbol with r_sym == 0.
(scan_relocatable_relocs): Pass r_sym to
local_non_section_strategy.
* reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
r_sym parameter.
* configure.ac: Update test for TLS descriptors: they are
supported as of glibc 2.9.
* configure: Rebuild.
2008-12-11 Ian Lance Taylor <iant@google.com>
PR 7091
* target-reloc.h (Default_scan_relocatable_relocs): For each
function, map r_type == 0 to RELOC_DISCARD.
2008-12-10 Cary Coutant <ccoutant@google.com>
* layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
object to override a kept COMDAT group from a plugin object.
2008-12-09 Ian Lance Taylor <iant@google.com>
PR 7088
* yyscript.y (file_cmd): Handle INPUT.
* testsuite/initpri1.c: Change all declarations to be full
prototypes by adding void, to avoid compiler warnings.
2008-12-05 Rafael Avila de Espindola <espindola@google.com>
* options.cc (General_options::parse_plugin_opt): New.
(General_options::add_plugin): The argument now is just the filename.
(General_options::add_plugin_option): New.
* options.h (plugin_opt): New.
(add_plugin): Change argument name.
(add_plugin_option): New.
* plugin.cc (Plugin::load): Don't parse the plugin option.
* plugin.h (Plugin::Plugin): Rename argument. Init filename_.
(Plugin::add_option): New.
(Plugin::args_): Change type.
(Plugin::filename_): New.
(Plugin_manager::add_plugin_option): New.
* testsuite/Makefile.am (plugin_test_1): Use new syntax.
* testsuite/Makefile.in: Regenerate.
2008-12-05 Cary Coutant <ccoutant@google.com>
* layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
Handle --strip-lto-sections option.
* options.h (strip_lto_sections): New option.
2008-12-01 Cary Coutant <ccoutant@google.com>
* plugin.cc (ld_plugin_message): Change format parameter to const.
Fix mismatch between new[] and delete.
2008-11-14 Cary Coutant <ccoutant@google.com>
* reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
instead of -1U.
2008-11-05 Craig Silverstein <csilvers@google.com>
* options.cc (General_options::parse_dynamic_list): New function.
* options.h (General_options): New flags dynamic_list,
dynamic_list_data, dynamic_list_cpp_new, and
dynamic_list_cpp_typeinfo. New variable dynamic_list_.
(General_options::in_dynamic_list): New function.
* script.cc (Lex::Mode): New enum DYNAMIC_LIST.
(Lex::can_start_name): Add support for DYNAMIC_LIST mode.
(Lex::can_continue_name): Likewise.
(yylex): Likewise.
(read_script_file): New parameter script_options.
(read_dynamic_list): New function.
(Script_options::define_dynamic_list): New function.
(dynamic_list_keyword_parsecodes): New variable.
(dynamic_list_keywords): New variable.
* script.h (Script_options::define_dynamic_list): New function
prototype.
(read_dynamic_list): New function prototype.
* symtab.cc (strprefix): New macro.
(Symbol::should_add_dynsym_entry): Support dynamic_list,
dynamic_list_data, dynamic_list_cpp_new, and
dynamic_list_cpp_typeinfo.
* yyscript.y (PARSING_DYNAMIC_LIST): New token.
(dynamic_list_expr): New rule.
(dynamic_list_nodes): Likewise.
(dynamic_list_node): Likewise.
* testsuite/Makefile.am (dynamic_list): New test.
* testsuite/Makefile.in: Regenerated.
* testsuite/dynamic_list.t: New file.
* testsuite/dynamic_list.sh: New file.
2008-11-05 Craig Silverstein <csilvers@google.com>
* testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
* testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
(t11_last): Likewise.
* testsuite/ver_test_6.c (main): Likewise.
2008-10-07 Cary Coutant <ccoutant@google.com>
* options.c (General_options::finalize): Add check for -static and
-shared.
* gold.cc (queue_middle_tasks): Assert that list of dynamic objects
is not empty.
2008-10-02 Cary Coutant <ccoutant@google.com>
* plugin.cc (make_sized_plugin_object): Fix conditional
compilation to work when not all targets are enabled.
2008-09-29 Cary Coutant <ccoutant@google.com>
* archive.cc (Archive::get_file_and_offset): Use filename instead
of name to get library path.
(Archive::include_member): Unlock external member of a thin archive.
* testsuite/Makefile.am (TEST_AR): New variable.
(thin_archive_test_1): New test.
(thin_archive_test_2): New test.
* testsuite/Makefile.in: Regenerate.
* testsuite/thin_archive_main.cc: New file.
* testsuite/thin_archive_test_1.cc: New file.
* testsuite/thin_archive_test_2.cc: New file.
* testsuite/thin_archive_test_3.cc: New file.
* testsuite/thin_archive_test_4.cc: New file.
2008-09-29 Cary Coutant <ccoutant@google.com>
* mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
* object.cc (Sized_relobj::do_layout): Use constant invalid_address
instead of -1U.
(Sized_relobj::do_finalize_local_symbols): Likewise.
(Sized_relobj::map_to_kept_section): Likewise.
* object.h (Sized_relobj::invalid_address): New constant.
(Sized_relobj::do_output_section_offset): Check for invalid_address
and return -1ULL.
* output.cc (Output_reloc::local_section_offset): Use constant
invalid_address instead of -1U.
(Output_reloc::get_address): Likewise.
(Output_section::output_address): Change -1U to -1ULL.
* output.h (Output_reloc::invalid_address): New constant.
* reloc.cc (Sized_relobj::write_sections): Use constant
invalid_address instead of -1U.
(Sized_relobj::relocate_sections): Likewise.
* symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
values for merge sections.
* target-reloc.h (relocate_for_relocatable): Use constant
invalid_address instead of -1U.
2008-09-19 Cary Coutant <ccoutant@google.com>
Add plugin functionality for link-time optimization (LTO).
* configure.ac (plugins): Add --enable-plugins option.
* configure: Regenerate.
* config.in: Regenerate.
* Makefile.am (LIBDL): New variable.
(CCFILES): Add plugin.cc.
(HFILES): Add plugin.h.
(ldadd_var): Add LIBDL.
* Makefile.in: Regenerate.
* archive.cc: Include "plugin.h".
(Archive::setup): Don't preread archive symbols when using a plugin.
(Archive::get_file_and_offset): Add memsize parameter. Change callers.
(Archive::get_elf_object_for_member): Call plugin hooks for claiming
files.
(Archive::include_member): Add symbols from plugin objects.
* archive.h (Archive::get_file_and_offset): Add memsize parameter.
* descriptors.cc (Descriptors::open): Check for file descriptors
abandoned by plugins.
(Descriptors::claim_for_plugin): New function.
* descriptors.h (Descriptors::claim_for_plugin): New function.
(Open_descriptor::is_claimed): New field.
(claim_descriptor_for_plugin): New function.
* fileread.cc (File_read::claim_for_plugin): New function.
* fileread.h (File_read::claim_for_plugin): New function.
(File_read::descriptor): New function.
* gold.cc: Include "plugin.h".
(queue_initial_tasks): Add task to call plugin hooks for generating
new object files.
* main.cc: Include "plugin.h".
(main): Load plugin libraries.
* object.h (Pluginobj): Declare.
(Object::pluginobj): New function.
(Object::do_pluginobj): New function.
(Object::set_target): New function.
* options.cc: Include "plugin.h".
(General_options::parse_plugin): New function.
(General_options::General_options): Initialize plugins_ field.
(General_options::add_plugin): New function.
* options.h (Plugin_manager): Declare.
(General_options): Add --plugin option.
(General_options::has_plugins): New function.
(General_options::plugins): New function.
(General_options::add_plugin): New function.
(General_options::plugins_): New field.
* plugin.cc: New file.
* plugin.h: New file.
* readsyms.cc: Include "plugin.h".
(Read_symbols::do_read_symbols): Check for archive before checking
for ELF file. Call plugin hooks to claim files.
* resolve.cc (Symbol_table::resolve): Record when symbol is referenced
from a real object file; force override when processing replacement
files.
* symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
(Symbol::init_base_object): Likewise.
(Symbol::init_base_output_data): Likewise.
(Symbol::init_base_output_segment): Likewise.
(Symbol::init_base_constant): Likewise.
(Symbol::init_base_undefined): Likewise.
(Symbol::output_section): Assert that object is not a plugin.
(Symbol_table::add_from_pluginobj): New function.
(Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
undefined.
(Symbol_table::sized_write_globals): Likewise.
(Symbol_table::add_from_pluginobj): Instantiate template.
* symtab.h (Sized_pluginobj): Declare.
(Symbol::in_real_elf): New function.
(Symbol::set_in_real_elf): New function.
(Symbol::in_real_elf_): New field.
(Symbol_table::add_from_pluginobj): New function.
* testsuite/Makefile.am (AM_CFLAGS): New variable.
(LIBDL): New variable.
(LDADD): Add LIBDL.
(check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
(check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
(check_DATA): Add plugin_test_1.err and plugin_test_2.err.
(MOSTLYCLEANFILES): Likewise.
* testsuite/Makefile.in: Regenerate.
* testsuite/plugin_test.c: New file.
* testsuite/plugin_test_1.sh: New file.
* testsuite/plugin_test_2.sh: New file.
2008-09-16 Ian Lance Taylor <iant@google.com>
* target-reloc.h (relocate_section): Check whether a symbol is
defined by the ABI before reporting an undefined symbol error.
* target.h (Target::is_defined_by_abi): Make parameter const.
(Target::do_is_defined_by_abi): Likewise.
* i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
* powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
* sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
* x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
* testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
* testsuite/Makefile.in: Rebuild.
* fileread.cc (make_view): Add casts to avoid warning.
2008-09-16 Alexandre Oliva <aoliva@redhat.com>
* i386.cc (Target_i386::define_tls_base_symbol): Update comments.
* x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
2008-09-16 Alexandre Oliva <aoliva@redhat.com>
* options.h (General_options::output_is_executable): New.
(General_options::output_is_pie): New.
* i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
for shared libraries.
* x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
2008-09-11 Chris Demetriou <cgd@google.com>
* options.h (origin): New -z option.
* layout.cc (Layout:finish_dynamic_section): If "-z origin"
is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
in DT_FLAGS_1.
2008-09-05 Cary Coutant <ccoutant@google.com>
* fileread.cc (File_read::make_view): Add check for attempt to map
beyond end of file.
2008-09-05 Cary Coutant <ccoutant@google.com>
* symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
explicit instantiations.
2008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
PR gold/6858
* options.cc (General_options::finalize): Allow undefined symbols
in shlibs if linking -shared.
PR gold/6859
* symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
symbols as not needing a dynsym entry.
2008-08-20 Craig Silverstein <csilvers@google.com>
* fileread.cc (File_read::open): Do not lock the file unless it
was successfully opened.
2008-08-14 Cary Coutant <ccoutant@google.com>
* x86_64.cc (Target_x86_64::Relocate::relocat_tls):
Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
* testsuite/tls_test.cc (struct int128): 128-bit struct
for testing TLS relocs with non-zero addend.
(v12): New TLS variable.
(t12): New test.
(t_last): Add check for v12.
* testsuite/tls_test.h (t12): New function.
* testsuite/tls_test_main.cc (thread_routine): Call new test.
2008-08-13 Ian Lance Taylor <iant@google.com>
* layout.cc (Layout::attach_allocated_section_to_segment): Don't
set tls_segment_ or relro_segment_.
(Layout::make_output_segment): Set tls_segment_ and relro_segment_
when appropriate.
* output.h (Output_section::clear_is_relro): New function.
* output.cc (Output_segment::add_output_section): Handle SHF_TLS
sections specially even when output_data_ is empty.
(Output_segment::maximum_alignment): When first section is relro,
only force alignment for PT_LOAD segments.
* script.cc (script_data_segment_align): New function.
(script_data_segment_relro_end): New function.
* script-c.h (script_data_segment_align): Declare.
(script_data_segment_relro_end): Declare.
* script-sections.h (class Script_sections): Declare
data_segment_align and data_segment_relro_end. Add fields
segment_align_index_ and saw_relro_end_.
* script-sections.cc (class Sections_element): Add set_is_relro
virtual function. Add new bool* parameter to place_orphan_here.
Add get_output_section virtual function.
(class Output_section_definition): Add set_is_relro. Add new
bool* parameter to place_orphan_here. Add get_output_section.
Add is_relro_ field.
(Output_section_definition::Output_section_definition): Initialize
evaluated_address_, evaluated_load_address, evaluated_addralign_,
and is_relro_ fields.
(Output_section_definition::place_orphan_here): Add is_relro
parameter.
(Output_section_definition::set_section_addresses): Set relro for
output section.
(Output_section_definition::alternate_constraint): Likewise.
(class Orphan_output_section): Add new bool* parameter to
place_orphan_here. Add get_output_section.
(Orphan_output_section::place_orphan_here): Add is_relro
parameter.
(Script_sections::Script_sections): Initialize
data_segment_align_index_ and saw_relro_end_.
(Script_sections::data_segment_align): New function.
(Script_sections::data_segment_relro_end): New function.
(Script_sections::place_orphan): Set or clear is_relro.
(Script_sections::set_section_addresses): Force alignment of first
TLS section.
* yyscript.y (exp): Call script_data_segment_align and
script_data_segment_relro_end.
* testsuite/relro_script_test.t: New file.
* testsuite/relro_test.cc (using_script): Declare.
(t1, t2): Test using_script.
* testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
(relro_script_test_SOURCES): Define.
(relro_script_test_DEPENDENCIES): Define.
(relro_script_test_LDFLAGS): Define.
(relro_script_test_LDADD): Define.
(relro_script_test.so): New target.
* testsuite/Makefile.in: Rebuild.
2008-08-06 Cary Coutant <ccoutant@google.com>
* archive.cc (Archive::total_archives, Archive::total_members)
(Archive::total_members_loaded): New variables.
(Archive::setup): Add parameter. Add option to preread
archive symbols.
(Archive::read_armap): Add counter.
(Archive::get_file_and_offset): New function.
(Archive::get_elf_object_for_member): New function.
(Archive::read_all_symbols): New function.
(Archive::read_symbols): New function.
(Archive::add_symbols): Add counters.
(Archive::include_all_members): Use armap to find members if it's
already built.
(Archive::include_member): Skip reading symbols if already read.
Factored code into Archive::get_file_and_offset and
Archive::get_elf_object_for_member. Changed call to
Mapfile::report_include_archive_member.
(Archive::print_stats): New function.
* archive.h: Declare Object and Read_symbols_data classes.
(Archive::Archive): Add initializers for new members.
(Archive::setup): Add parameter.
(Archive::print_stats): New function.
(Archive::total_archives, Archive::total_members)
(Archive::total_members_loaded): New variables.
(Archive::get_file_and_offset): New function.
(Archive::get_elf_object_for_member): New function.
(Archive::read_all_symbols): New function.
(Archive::read_symbols): New function.
(Archive::Archive_member): New class.
(Archive::members_): New member.
(Archive::num_members_): New member.
* main.cc: Include archive.h.
(main): Call Archive::print_stats.
* mapfile.cc (Mapfile::report_include_archive_member): Delete
archive parameter; member_name is now the fully-decorated name.
* mapfile.h (Mapfile::report_include_archive_member): Likewise.
* options.h: (General_options): Add --preread-archive-symbols option.
* readsyms.cc (Read_symbols::do_read_symbols): Change call to
Archive::setup.
2008-08-04 Ian Lance Taylor <iant@google.com>
* symtab.h (Symbol::use_plt_offset): New function.
* i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
* powerpc.cc (Relocate::relocate): Likewise.
* sparc.cc (Relocate::relocate): Likewise.
* x86_64.cc (Relocate::relocate): Likewise.
* testsuite/weak_plt.sh: New test.
* testsuite/weak_plt_main.cc: New test.
* testsuite/weak_plt_shared.cc: New test.
* testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
(check_PROGRAMS): Add weak_plt.
(check_DATA): Add weak_plt_shared.so.
(weak_plt_main_pic.o, weak_plt): New targets.
(weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
* testsuite/Makefile.in: Rebuild.
* testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
gcctestdir/ld.
(weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
* testsuite/Makefile.in: Rebuild.
2008-08-04 Alan Modra <amodra@bigpond.net.au>
* Makefile.am (POTFILES.in): Set LC_ALL=C.
* Makefile.in: Regenerate.
* po/POTFILES.in: Regenerate.
2008-07-29 Ian Lance Taylor <iant@google.com>
* script.cc (Script_options::finalize_symbols): Finalize SECTIONS
symbols before other symbols.
* testsuite/script_test_2.cc (test_addr): Declare.
(test_addr_alias): Declare.
(main): Check that test_addr and test_addr_alias have the right
values.
* testsuite/script_test_2.t: Define test_addr_alias and
test_addr.
2008-07-24 Ian Lance Taylor <iant@google.com>
PR 5990
* descriptors.cc: New file.
* descriptors.h: New file.
* gold-threads.h (class Hold_optional_lock): New class.
* fileread.cc: Include "descriptors.h".
(File_read::~File_read): Release descriptor rather than closing
it.
(File_read::open) [file]: Call open_descriptor rather than open.
Set is_descriptor_opened_.
(File_read::open) [memory]: Assert that descriptor is not open.
(File_read::reopen_descriptor): New function.
(File_read::release): Release descriptor.
(File_read::do_read): Make non-const. Reopen descriptor.
(File_read::read): Make non-const.
(File_read::make_view): Reopen descriptor.
(File_read::do_readv): Likewise.
* fileread.h (class File_read): Add is_descriptor_opened_ field.
Update declarations.
* layout.cc: Include "descriptors.h".
(Layout::create_build_id): Use open_descriptor rather than open.
* output.cc: Include "descriptors.h".
(Output_file::open): Use open_descriptor rather than open.
* archive.cc (Archive::const_iterator): Change Archive to be
non-const.
(Archive::begin, Archive::end): Make non-const.
(Archive::count_members): Likewise.
* archive.h (class Archive): Update declarations.
* object.h (Object::read): Make non-const.
* Makefile.am (CCFILES): Add descriptors.cc.
(HFILES): Add descriptors.h.
* Makefile.in: Rebuild.
PR 6716
* gold.h: Always include <clocale>. Add Solaris workarounds
following code in binutils/sysdep.h.
PR 6048
* ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
this->eh_frame_hdr_ is NULL before using it.
* dynobj.cc (Versions::Versions): Update comment.
* dynobj.cc (Versions::Versions): If there is an soname, use it as
the base version name.
* stringpool.cc (Stringpool_template::add_with_length): Set key to
array size plus one.
(Stringpool_template::set_string_offsets): Subtract one from key
before using it as an array index.
(Stringpool_template::get_offset_with_length): Likewise.
(Stringpool_template::write_to_buffer): Likewise.
* stringpool.h (Stringpool_template::get_offset_from_key):
Likewise.
2008-07-23 Ian Lance Taylor <iant@google.com>
PR 6658
* object.h (Merged_symbol_value::value): Do our best to handle a
negative addend.
PR 6647
* script.cc (Version_script_info::get_versions): Don't add empty
version tag to return value.
(Version_script_info::get_symbol_version_helper): Change return
type to bool. Add pversion parameter. Change all callers.
(script_register_vers_node): Don't require a non-NULL tag.
* script.h (class Version_script_info): Update declarations.
(Version_script_info::get_symbol_version): Change return type to
bool. Add version parameter. Change all callers.
* symtab.cc (Sized_symbol::add_from_relobj): Rework version
handling. Handle an empty version from a version script.
(Symbol_table::define_special_symbol): Likewise.
* testsuite/ver_test_10.script: New file.
* testsuite/ver_test_10.sh: New file.
* testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
(check_DATA): Add ver_test_10.syms.
(ver_test_10.syms, ver_test_10.so): New target.
* testsuite/Makefile.in: Rebuild.
2008-07-23 Simon Baldwin <simonb@google.com>
* symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
to zero for undefined symbols from dynamic libraries.
2008-07-23 Ian Lance Taylor <iant@google.com>
* symtab.cc (Symbol_table::resolve): Remove version parameter.
Change all callers.
* symtab.h (class Symbol_table): Update declaration.
* testsuite/ver_test_9.cc: New file.
* testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
(ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
(ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
(ver_test_9.so, ver_test_9.o): New targets.
* testsuite/Makefile.in: Rebuild.
2008-07-22 Ian Lance Taylor <iant@google.com>
* options.h (class General_options): Define --check-sections.
* layout.cc (Layout::set_segment_offsets): Handle
--check-sections.
* options.h (class General_options): Define -n/--nmagic and
-N/--omagic.
* options.cc (General_options::finalize): For -n/--nmagic or
-N/--omagic, set -static.
* layout.cc (Layout::attach_allocated_section_to_segment): If
-N/--omagic, don't put read-only and read-write sections in
different segments.
(Layout::find_first_load_seg): If -N/--omagic, don't insist on
finding a read-only segment.
(Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
don't set the minimum segment alignment to the common page size,
and don't set the file offset to the address modulo the page size.
* script-sections.cc (Script_sections::create_segments): If
-n/--omagic, don't put read-only and read-write sections in
different segments.
* cref.cc: New file.
* cref.h: New file.
* options.h (class General_options): Add --print-symbol-counts.
* main.cc (main): Issue defined symbol report if requested.
* archive.cc (Archive::interpret_header): Make into a const member
function.
(Archive::add_symbols): Call Input_objects::archive_start and
archive_stop.
(Archive::const_iterator): Define new class.
(Archive::begin, Archive::end): New functions.
(Archive::include_all_members): Rewrite to use iterator.
(Archive::count_members): New function.
* archive.h (class Archive): Update declarations.
(Archive::filename): New function.
* object.cc: Include "cref.h".
(Sized_relobj::Sized_relobj): Initialize defined_count_.
(Sized_relobj::do_get_global_symbol_counts): New function.
(Input_objects::add_object): Add object to cross-referencer.
(Input_objects::archive_start): New function.
(Input_objects::archive_stop): New function.
(Input_objects::print_symbol_counts): New function.
* object.h: Declare Cref and Archive.
(Object::get_global_symbol_counts): New function.
(Object::do_get_global_symbol_counts): New pure virtual function.
(class Sized_relobj): Add defined_count_ field. Update
declarations.
(class Input_objects): Add cref_ field. Update constructor.
Update declarations.
* dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
defined_count_.
(Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
symbol counts.
(Sized_dynobj::do_get_global_symbol_counts): New function.
* dynobj.h (class Sized_dynobj): Add fields symbols_ and
defined_count_. Update declarations. Define Symbols typedef.
* symtab.cc (Symbol_table::add_from_relobj): Add defined
parameter. Change all callers.
(Symbol_table::add_from_dynobj): Add sympointers and defined
parameters. Change all callers.
* symtab.h (class Symbol_table): Update declarations.
* Makefile.am (CCFILES): Add cref.cc.
(HFILES): Add cref.h.
* Makefile.in: Rebuild.
2008-07-22 Simon Baldwin <simonb@google.com>
* symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
to zero when writing undefined symbols.
2008-07-22 Ian Lance Taylor <iant@google.com>
* output.cc (Output_section::add_input_section): Don't try to
merge empty merge sections.
2008-07-21 Craig Silverstein <csilvers@google.com>
* symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
Include symbol version in error message.
2008-07-20 Chris Demetriou <cgd@google.com>
* configure.ac (gold_cv_c_random_seed): New configured variable.
(RANDOM_SEED_CFLAGS): New substituted variable.
* Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
* configure: Rebuild.
* Makefile.in: Likewise.
* testsuite/Makefile.in: Likewise.
2008-07-18 Ian Lance Taylor <iant@google.com>
* symtab.cc (Symbol_table::add_from_object): Rewrite the case
where we see NAME/NULL and NAME/VERSION as separate symbols.
* testsuite/ver_test_main.cc (main): Call t4.
(t4, t4_2a): Define.
* testsuite/ver_test_2.cc (t4_2): Define.
* testsuite/ver_test_2.script: Put t4_2a in VER2.
* testsuite/ver_test_4.cc (t4_2a): Define.
* testsuite/ver_test_4.script: Put t4_2a in VER2.
* testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
2008-07-17 Ian Lance Taylor <iant@google.com>
* dynobj.cc (Versions::add_def): If we give an error about a
missing version, go ahead and create the version anyhow.
2008-07-10 Ian Lance Taylor <iant@google.com>
Handle output sections with more than 0x7fffffff bytes.
* object.h (class Relobj): Change map_to_output_ to
output_sections_, and just keep a section pointer. Change all
uses. Move comdat group support to Sized_relobj.
(Relobj::is_section_specially_mapped): Remove.
(Relobj::output_section): Remove poff parameter. Change all
callers.
(Relobj::output_section_offset): New function.
(Relobj::set_section_offset): Rewrite.
(Relobj::map_to_output): Remove.
(Relobj::output_sections): New function.
(Relobj::do_output_section_offset): New pure virtual function.
(Relobj::do_set_section_offset): Likewise.
(class Sized_relobj): Add section_offsets_ field. Add comdat
group support from Relobj. Update declarations.
(Sized_relobj::get_output_section_offset): New function.
(Sized_relobj::do_output_section_offset): New function.
(Sized_relobj::do_set_section_offset): New function.
* object.cc (Relobj::output_section_address): Remove.
(Sized_relobj::Sized_relobj): Initialize new fields.
(Sized_relobj::include_section_group): Cast find_kept_object to
Sized_relobj.
(Sized_relobj::include_linkonce_section): Likewise.
(Sized_relobj::do_layout): Use separate arrays for output section
and output offset.
(Sized_relobj::do_count_local_symbols): Change map_to_output to
output_sections.
(Sized_relobj::do_finalize_local_symbols): Change map_to_output to
output_sections and section_offsets.
(Sized_relobj::write_local_symbols): Likewise.
(map_to_kept_section): Compute output address directly.
* reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
output_sections and section_offsets.
(Sized_relobj::write_sections): Likewise.
(Sized_relobj::relocate_sections): Likewise.
* symtab.cc (sized_finalize_symbol): Use output_section_offset.
* output.h (class Output_reloc): Update declarations. Change
u2_.relobj to Sized_relobj*.
(class Output_data_reloc): Change add functions to use
Sized_relobj*.
* output.cc (Output_reloc::Output_reloc): Change relobj to
Sized_relobj*.
(Output_reloc::local_section_offset): Change return type to
Elf_Addr. Use get_output_section_offset.
(Output_reloc::get_address): Likewise.
(Output_section::is_input_address_mapped): Don't call
is_section_specially_mapped.
(Output_section::output_offset): Likewise.
(Output_section::output_address): Likewise.
(Output_section::starting_output_address): Likewise.
* copy-relocs.cc (Copy_relocs::copy_reloc): Change object
parameter to Sized_relobj*.
(Copy_relocs::need_copy_reloc): Likewise.
(Copy_relocs::save): Likewise.
* copy-relocs.h (class Copy_relocs): Update declarations.
(class Copy_relocs::Copy_reloc_entry): Change constructor to use
Sized_relobj*. Change relobj_ field to Sized_relobj*.
* target-reloc.h (relocate_for_relocatable): Change
offset_in_output_section type to Elf_Addr. Change code that uses
it as well.
* layout.cc (Layout::layout): Always set *off.
* mapfile.cc (Mapfile::print_input_section): Use
output_section_offset.
* i386.cc (Target_i386::copy_reloc): Change object parameter to
Sized_relobj*.
* powerpc.cc (Target_powerpc::copy_reloc): Likewise.
* sparc.cc (Target_sparc::copy_reloc): Likewise.
* x86_64.cc (Target_x86_64::copy_reloc): Likewise.
2008-07-03 Ian Lance Taylor <iant@google.com>
* layout.cc (Layout::include_section): Do not discard unrecognized
SHT_STRTAB sections.
2008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
* script.cc (Lex::can_continue_name): Make '?' allowable in
version-script names.
* testsuite/version_script.map: Change glob pattern to use '?'
2008-06-30 Manish Singh <yosh@gimp.org>
PR 6585
* symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
Correct typo.
2008-06-30 Ian Lance Taylor <iant@google.com>
PR 6660
PR 6682
* powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
versions]: Don't try to read the value in the contents, since we
don't use it. Use the template endianness when writing.
2008-06-25 Cary Coutant <ccoutant@google.com>
* fileread.cc (File_read::make_view): Assert on zero-length view.
* object.cc (Sized_relobj::do_read_symbols): Don't try to read
symbol table when there are no symbols to read.
2008-06-23 Craig Silverstein <csilvers@google.com>
* version.cc (version_string): Bump to 1.7
2008-06-18 Craig Silverstein <csilvers@google.com>
* powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
constant 0xFFFF to type Valtype.
(Powerpc_relocate_functions::rel16_ha): Likewise.
2008-06-17 Ian Lance Taylor <iant@google.com>
* output.h (Output_section::Input_section): Initialize p2align_ to
zero for Output_section_data constructors.
(Output_section::Input_section::addralign): If not an input
section, return the alignment of the Output_section_data.
* testsuite/copy_test.cc: New file.
* testsuite/copy_test_1.cc: New file.
* testsuite/copy_test_2.cc: New file.
* testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
(copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
(copy_test_LDFLAGS, copy_test_LDADD): New variables.
(copy_test_1_pic.o, copy_test_1.so): New targets.
(copy_test_2_pic.o, copy_test_2.so): New targets.
* testsuite/Makefile.in: Rebuild.
* script-sections.cc (Script_sections::place_orphan): Initialize
local variable exact.
2008-06-13 David Edelsohn <edelsohn@gnu.org>
* powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
2008-06-12 David Edelsohn <edelsohn@gnu.org>
David S. Miller <davem@davemloft.net>
* powerpc.cc: New file.
* Makefile.am (TARGETSOURCES): Add powerpc.cc
(ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
* configure.tgt: Add entries for powerpc-* and powerpc64-*.
* Makefile.in: Rebuild.
2008-06-09 Ian Lance Taylor <iant@google.com>
* testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
<exception>.
(throwing, orig_terminate): New static variables.
(terminate_handler): New static function.
(t2): Set terminate handler.
2008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
PR 6584
* binary.cc (Binary_to_elf::sized_convert): Fix .data
alignment.
2008-05-30 Cary Coutant <ccoutant@google.com>
* archive.cc (Archive::include_all_members) Correct to step
over symbol table and extended name table in thin archives.
2008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
PR 6407
* target-reloc.h (relocate_for_relocatable): Fix new_offset
calculation.
2008-05-28 Caleb Howe <cshowe@google.com>
* reduced_debug_output.cc: New file.
* reduced_debug_output.h: New file.
* options.h (class General_options): Add --strip-debug-non-line.
* options.cc (General_options::finalize): Add strip_debug_non_line
to the strip heirarchy.
* layout.h (class Layout): Add debug_abbrev_ and debug_info_
fields.
* layout.cc: Include "reduced_debug_output.h".
(Layout::Layout): Initialize new fields.
(line_only_debug_sections): New static array.
(is_lines_only_debug_sections): New static inline function.
(Layout::include_section): Handle --strip-debug-non-line.
(Layout::make_output_section): If --strip-debug-non-line, build
new output sections for .debug_abbrev and .debug_info.
* dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
gold. Warn about possible overflow.
(read_signed_LEB_128): Likewise.
* dwarf_reader.h: (read_unsigned_LEB_128): Declare.
(read_signed_LEB_128): Declare.
* Makefile.am (CCFILES): Add reduced_debug_output.cc.
(HFILES): Add reduced_debug_output.h.
* Makefile.in: Rebuild.
2008-05-21 Ian Lance Taylor <iant@google.com>
* mapfile.cc: New file.
* mapfile.h: New file.
* options.h (class General_options): Add -M/--print-map and -Map.
* options.cc (General_options::finalize): Make -M equivalent to
-Map -.
* main.cc: Include <cstdio> and "mapfile.h".
(main): Open mapfile if requested.
* gold.cc (class Middle_runner): Add mapfile_ field. Update
constructor. Change caller.
(queue_initial_tasks): Add mapfile parameter. Change caller.
(queue_middle_tasks): Likewise.
* gold.h (queue_initial_tasks, queue_middle_tasks): Update
declarations.
* archive.cc: Include "mapfile.h".
(Archive::add_symbols): Add mapfile parameter. Change all
callers. Pass mapfile, symbol, and reason to include_member.
(Archive::include_all_members): Add mapfile parameter. Change all
callers.
(Archive::include_member): Add mapfile, sym, and why parameters.
Change all callers. Report inclusion to map file.
* archive.h: Include "fileread.h".
(class Archive): Update declarations.
(Archive::file): New const method.
(class Add_archive_symbols): Add mapfile_ field. Update
constructor. Change all callers.
* readsyms.h (class Read_symbols): Likewise.
(class Finish_group): Likewise.
(class Read_script): Likewise.
* common.cc: Include "mapfile.h".
(Symbol_table::allocate_commons): Add mapfile parameter. Change
all callers.
(Symbol_table::do_allocate_commons): Likewise.
(Symbol_table::do_allocate_commons_list): Likewise. Report common
symbol allocation to mapfile.
* common.h (class Allocate_commons_task): Add mapfile_ field.
Update constructor. Change all callers.
* symtab.h (class Symbol_table): Update declarations.
* layout.cc: Include "mapfile.h".
(Layout_task_runner::run): Print information to mapfile.
(Layout::create_gold_note): Change Output_data_fixed_space to
Output_data_zero_fill.
(Layout::create_build_id): Likewise.
(Layout::print_to_mapfile): New function.
* layout.h (class Layout_task_runner): Add mapfile_ field. Update
constructor. Change caller.
(class Layout): Declare print_to_mapfile.
* output.cc (Output_section::Input_section::print_to_mapfile): New
function.
(Output_section::add_input_section): If producing a map, always
add to input_sections_ list.
(Output_section::do_print_to_mapfile): New function.
(Output_segment::print_sections_to_mapfile): New function.
(Output_segment::print_section_list_to_mapfile): New function.
* output.h: Include "mapfile.h".
(Output_data::print_to_mapfile): New function.
(Output_data::do_print_to_mapfile): New virtual function.
(Output_segment_headers::do_print_to_mapfile): New function.
(Output_file_header::do_print_to_mapfile): New function.
(Output_data_const::do_print_to_mapfile): New function.
(class Output_data_const_buffer): Add map_name_ field. Update
constructor. Change all callers. Add do_print_to_mapfile
function.
(class Output_data_fixed_space): Likewise.
(class Output_data_space): Likewise.
(class Output_data_zero_fill): New class.
(Output_data_strtab::do_print_to_mapfile): New function.
(Output_data_reloc_base::do_print_to_mapfile): New function.
(Output_relocatable_relocs::do_print_to_mapfile): New function.
(Output_data_group::do_print_to_mapfile): New function.
(Output_data_got::do_print_to_mapfile): New function.
(Output_data_dynamic::do_print_to_mapfile): New function.
(Output_symtab_xindex::do_print_to_mapfile): New function.
(class Output_section): Declare do_print_to_mapflie. Declare
print_to_mapfile in Input_section.
(class Output_segment): Declare new functions.
* object.h (Sized_relobj::symbol_count): New function.
* script-sections.cc
(Output_section_element_dot_assignment::set_section_addresses):
Change Output_data_fixed_space to Output_data_zero_fill.
(Output_data_expression::do_print_to_mapfile): New function.
* script.cc (read_input_script): Add mapfile parameter. Change
all callers.
* script.h (read_input_script): Update declaration.
* ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
(Eh_frame::do_print_to_mapfile): New function.
* merge.h (Output_merge_data::do_print_to_mapfile): New function.
(Output_merge_string::do_print_to_mapfile): New function.
* i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
function.
* sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
function.
* x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
function.
* Makefile.am (CCFILES): Add mapfile.cc.
(HFILES): Add mapfile.h.
* Makefile.in: Rebuild.
2008-05-19 Ian Lance Taylor <iant@google.com>
* options.h (class General_options): Add -z relro.
* layout.cc (Layout::Layout): Initialize relro_segment_.
(Layout::add_output_section_data): Return the output section.
(Layout::make_output_section): Rcognize relro sections and mark
them appropriately.
(Layout::attach_allocated_section_to_segment): Put relro sections
in a PT_GNU_RELRO segment.
(Layout::create_initial_dynamic_sections): Mark the .dynamic
section as relro.
(Layout::segment_precedes): Sort PT_GNU_RELRO segments after
PT_TLS segments.
(Layout::linkonce_mapping): Map d.rel.ro.local to
.data.rel.ro.local.
(Layout::output_section_name): Us .data.rel.ro.local for any
section which begins with that.
* layout.h (class Layout): Update add_output_section_data
declaration. Add relro_segment_ field.
* output.cc (Output_section::Output_section): Initialize is_relro_
and is_relro_local_ fields.
(Output_segment::add_output_section): Group relro sections.
(Output_segment::is_first_section_relro): New function.
(Output_segment::maximum_alignment): If there is a relro section,
align the segment to the common page size.
(Output_segment::set_section_addresses): Track whether we are
looking at relro sections. If the last section is a relro
section, align to the common page size.
(Output_segment::set_section_list_addresses): Add in_relro
parameter. Change all callers. Align to the page size when
moving from relro to non-relro section.
(Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
segment.
* output.h (class Output_section): Add is_relro_ and
is_relro_local_ fields.
(Output_section::is_relro): New function.
(Output_section::set_is_relro): New function.
(Output_section::is_relro_local): New function.
(Output_section::set_is_relro_local): New function.
(class Output_segment): Update declarations.
* i386.cc (Target_i386::got_section): Mark .got section as relro.
* sparc.cc (Target_sparc::got_section): Likewise.
* x86_64.cc (Target_x86_64::got_section): Likewise.
* testsuite/relro_test_main.cc: New file.
* testsuite/relro_test.cc: New file.
* testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
(relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
(relro_test_LDFLAGS, relro_test_LDADD): New variables.
(relro_test.so, relro_test_pic.o): New targets.
* testsuite/Makefile.in: Rebuild.
2008-05-16 Ian Lance Taylor <iant@google.com>
* output.cc (Output_segment::add_output_section): Remove front
parameter.
* output.h (class Output_segment): Remove
add_initial_output_section and overloaded add_output_section.
Update declaration of remaining add_output_section.
* layout.cc (Layout::create_interp): Call add_output_section
rather than add_initial_output_section.
(Layout::finish_dynamic_section): Likewise.
* i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
know the dynamic type.
* x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
field. Initialize it in constructor.
(Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
reloc.
* output.cc (Output_reloc::get_address): Change return type to
Elf_Addr.
* output.h (class Output_reloc): Update get_address declaration.
* x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
for section addresses.
2008-05-09 Ian Lance Taylor <iant@google.com>
PR 6493
* gold.cc (gold_nomem): Use return value of write.
2008-05-08 Ian Lance Taylor <iant@google.com>
* symtab.c (Symbol::init_base_output_data): Add version
parameter. Change all callers.
(Symbol::init_base_output_segment): Likewise.
(Symbol::init_base_constant): Likewise.
(Symbol::init_base_undefined): Likewise.
(Sized_symbol::init_output_data): Likewise.
(Sized_symbol::init_output_segment): Likewise.
(Sized_symbol::init_constant): Likewise.
(Sized_symbol::init_undefined): Likewise.
(Symbol_table::do_define_in_output_data): If the new symbol has a
version, mark it as the default.
(Symbol_table::do_define_in_output_segment): Likewise.
(Symbol_table::do_define_as_constant): Likewise.
* symtab.h (class Symbol): Update declarations.
(class Sized_symbol): Likewise.
* resolve.cc (Symbol::override_version): New function.
(Symbol::override_base): Call override_version.
(Symbol::override_base_with_special): Likewise.
* testsuite/ver_script_8.script: New file.
* testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
(ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
(ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
(ver_test_8_1.so, ver_test_8_2.so): New targets.
2008-05-06 Ian Lance Taylor <iant@google.com>
PR 6049
* options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
functions.
(class General_options): Remove existing --undefined, and add
--no-undefined instead. Add new --undefined as synonym for -u.
* archive.cc (Archive::add_symbols): Check whether symbol was
named with -u.
* gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
* symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
all uses. Add IS_UNDEFINED. Update declarations to split
different versions of init_base. Declare init_base_undefined.
(Symbol::is_defined): Handle IS_UNDEFINED.
(Symbol::is_undefined): Likewise.
(Symbol::is_weak_undefined): Call is_undefined.
(Symbol::is_absolute): Handle IS_CONSTANT.
(class Sized_symbol): Update declarations to split different
versions of init. Declare init_undefined.
(class Symbol_table): Declare new functions.
* symtab.cc (Symbol::init_base_object): Rename from init_base.
Change all callers.
(Symbol::init_base_output_data): Likewise.
(Symbol::init_base_output_segment): Likewise.
(Symbol::init_base_constant): Likewise.
(Symbol::init_base_undefined): New function.
(Sized_symbol::init_object): Rename from init. Change all
callers.
(Sized_symbol::init_output_data): Likewise.
(Sized_symbol::init_output_segment): Likewise.
(Sized_symbol::init_constant): Likewise.
(Sized_symbol::init_undefined): New function.
(Symbol_table::add_undefined_symbols_from_command_line): New
function.
(Symbol_table::do_add_undefined_symbols_from_command_line): New
function.
(Symbol::final_value_is_known): Handle IS_UNDEFINED.
(Symbol::output_section): Likewise.
(Symbol::set_output_section): Likewise.
(Symbol_table::sized_finalize_symbol): Likewise.
(Symbol_table::sized_write_globals): Likewise.
* resolve.cc (Symbol_table::should_override): Likewise.
(Symbol::override_base_with_special): Likewise.
* symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
symbol, change it to have default visibility.
* testsuite/protected_1.cc: New file.
* testsuite/protected_2.cc: New file.
* testsuite/protected_3.cc: New file.
* testsuite/protected_main_1.cc: New file.
* testsuite/protected_main_2.cc: New file.
* testsuite/protected_main_3.cc: New file.
* testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
(protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
(protected_1_LDFLAGS, protected_1_LDADD): Define.
(protected_1.so): New target.
(protected_1_pic.o, protected_2_pic.o): New targets.
(protected_3_pic.o): New target.
(check_PROGRAMS): Add protected_2.
(protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
(protected_2_LDFLAGS, protected_2_LDADD): Define.
* testsuite/Makefile.in: Rebuild.
* options.h (DEFINE_var): Add set_user_set_##varname__.
(DEFINE_bool_alias): New macro.
(class General_options): Define -Bstatic using DEFINE_bool_alias
rather than DEFINE_special. Add --undefined as an alias for -z
defs.
* options.cc (General_options::parse_Bstatic): Remove.
* options.h (class General_options): Add --fatal-warnings.
* main.cc (main): Implement --fatal-warnings.
* errors.h (Errors::warning_count): New function.
* options.h (class General_options): Add -Bsymbolic-functions.
* symtab.h (Symbol::is_preemptible): Check for
-Bsymbolic-functions.
2008-05-05 Ian Lance Taylor <iant@google.com>
* options.h (DEFINE_bool): For DASH_Z, create the negative option
as noVARNAME rather than no-VARNAME.
(class General_options): Add option -z combreloc.
* output.h (class Output_reloc) [SHT_REL]: Declare compare and
get_address.
(Output_reloc::sort_before) [SHT_REL]: New function.
(Output_reloc::sort_before) [SHT_RELA]: New function.
(class Output_data_reloc_base): Add sort_relocs_ field. Define
Sort_relocs_comparison.
(Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
parameter. Change all callers.
(Output_data_reloc::Output_data_reloc) [both versions]: Add
sort_relocs parameter. Change all callers.
* output.cc (Output_reloc::get_address): New function, broken out
of write_rel.
(Output_reloc::write_rel): Call it.
(Output_reloc::compare): New function.
(Output_data_reloc_base::do_write): Optionally sort relocs.
* configure.ac: If targ_extra_obj is set, link it in.
* configure.tgt: Initialize all variables.
(x86_64*): Set targ_extra_obj and targ_extra_size.
* configure: Rebuild.
* object.cc (Sized_relobj::include_section_group): Adjust section
indexes read from group data. Build vector to pass to
layout_group.
* layout.cc (Layout::layout_group): Add flags and shndxes
parameters. Remove contents parameter. Change caller. Update
explicit instantiations.
* layout.h (class Layout): Update layout_group declaration.
* output.cc (Output_data_group::Output_data_group): Add flags and
input_shndxes parameters. Remove contents parameter. Change
caller.
(Output_data_group::do_write): Change input_sections_ to
input_shndxes_.
* output.h (class Output_data_group): Update constructor
declaration. Rename input_sections_ to input_shndxes_.
* testsuite/many_sections_test.cc: Add template.
2008-04-30 Cary Coutant <ccoutant@google.com>
* target-reloc.h (relocate_section): Fix dead-pointer bug.
* layout.cc (Layout::include_section): Refactored check for debug
info section.
(Layout::add_comdat): Add new parameters. Change type
of signature parameter. Add object and shndx to signatures table.
(Layout::find_kept_object): New function.
* layout.h: Include <cstring>.
(Layout::is_debug_info_section): New function.
(Layout::add_comdat): Add new parameters.
(Layout::find_kept_object): New function.
(Layout::Kept_section): New struct.
(Layout::Signatures): Change type of map range.
* object.cc (Relobj::output_section_address): New function.
(Sized_relobj::include_section_group): Add new parameters. Change
calls to Layout::add_comdat. Change to build table of kept comdat
groups and table mapping discarded sections to kept sections.
(Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
(Sized_relobj::do_layout): Change calls to include_section_group and
include_linkonce_section.
(Sized_relobj::do_finalize_local_symbols): Do not set local symbol
value to zero when section is discarded.
(Sized_relobj::map_to_kept_section): New function.
* object.h (Relobj::output_section_address): New function.
(Relobj::Comdat_group): New type.
(Relobj::find_comdat_group): New function.
(Relobj::Comdat_group_table): New type.
(Relobj::Kept_comdat_section): New type.
(Relobj::Kept_comdat_section_table): New type.
(Relobj::add_comdat_group): New function.
(Relobj::set_kept_comdat_section): New function.
(Relobj::get_kept_comdat_section): New function.
(Relobj::comdat_groups_): New field.
(Relobj::kept_comdat_sections_): New field.
(Symbol_value::input_value): Update comment.
(Sized_relobj::map_to_kept_section) New function.
(Sized_relobj::include_linkonce_section): Add new parameter.
* target-reloc.h (Comdat_behavior): New type.
(get_comdat_behavior): New function.
(relocate_section): Add code to map a discarded section to the
corresponding kept section when applying a relocation.
2008-04-30 Craig Silverstein <csilvers@google.com>
* dwarf_reader.cc (next_generation_count): New static var.
(Addr2line_cache_entry): New struct.
(addr2line_cache): New static var.
(Dwarf_line_info::one_addr2line): Added caching.
(Dwarf_line_info::clear_addr2line_cache): New function.
* dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
cache-size parameter.
(Dwarf_line_info::one_addr2line_cache): New function.
* symtab.cc (Symbol_table::detect_odr_violations): Pass
new cache-size argument to one_addr2line(), and clear cache.
2008-04-28 Cary Coutant <ccoutant@google.com>
* i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
R_386_PC8 relocations.
2008-04-23 Ian Lance Taylor <iant@google.com>
* object.cc (Sized_relobj::include_section_group): Check for
invalid section group.
* object.cc (make_elf_object): Correct test for 64-bit ELF file
header size.
* readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
than read for file header.
* archive.cc (Archive::include_member): Likewise.
2008-04-23 Paolo Bonzini <bonzini@gnu.org>
* aclocal.m4: Regenerate.
* configure: Regenerate.
2008-04-19 Ian Lance Taylor <iant@google.com>
* version.cc (version_string): Bump to 1.6.
* testsuite/Makefile.am (many_sections_r_test): New target.
(many_sections_r_test_SOURCES): Remove.
(many_sections_r_test_DEPENDENCIES): Remove.
(many_sections_r_test_LDFLAGS): Remove.
(many_sections_r_test_LDADD): Remove.
* object.cc (Sized_relobj::do_add_symbols): Always pass
local_symbol_count_ to add_from_relobj.
* testsuite/Makefile.am (many_sections_check.h): Only check one in
every thousand variables.
* testsuite/Makefile.in: Rebuild.
* object.cc (Xindex::initialize_symtab_xindex): New function.
(Xindex::read_symtab_xindex): New function.
(Xindex::sym_xindex_to_shndx): New function.
(Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
available.
(Sized_relobj::do_initialize_xindex): New function.
(Sized_relobj::do_read_symbols): Adjust section links.
(Sized_relobj::symbol_section_and_value): Add is_ordinary
parameter. Change all callers.
(Sized_relobj::include_section_group): Adjust section links and
symbol section indexes.
(Sized_relobj::do_layout): Adjust section links.
(Sized_relobj::do_count_local_symbols): Adjust section links and
symbol section indexes.
(Sized_relobj::do_finalize_local_symbols): Distinguish between
ordinary and special symbols.
(Sized_relobj::write_local_symbols): Add symtab_xindex and
dynsym_xindex parameters. Change all callers. Adjust section
links. Use SHN_XINDEX when needed.
(Sized_relobj::get_symbol_location_info): Adjust section links.
Don't get fooled by special symbols.
* object.h (class Xindex): Define.
(class Object): Add xindex_ parameter. Declare virtual functoin
do_initialize_xindex.
(Object::adjust_sym_shndx): New function.
(Object::set_xindex): New protected function.
(class Symbol_value): Add is_ordinary_shndx_ field.
(Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
(Symbol_value::value): Assert ordinary section.
(Symbol_value::initialize_input_to_output_map): Likewise.
(Symbol_value::set_input_shndx): Add is_ordinary parameter.
Change all callers.
(Symbol_value::input_shndx): Add is_ordinary parameter. Change
all callers.
(class Sized_relobj): Update declarations.
(Sized_relobj::local_symbol_input_shndx): Add is_ordinary
parameter. Change all callers.
(Sized_relobj::adjust_shndx): New function.
* dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
field.
(Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
(Sized_dynobj::read_dynsym_section): Adjust section links.
(Sized_dynobj::read_dynamic): Likewise.
(Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
section links.
(Sized_dynobj::do_initialize_xindex): New function.
* dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
do_initialize_xindex.
(Sized_dynobj::adjust_shndx): New function.
* layout.cc (Layout::Layout): Initialize symtab_xindex_ and
dynsym_xindex_ fields.
(Layout::finalize): Add a call to set_section_indexes before
creating the symtab sections.
(Layout::set_section_indexes): Don't do anything if the section
already has a section index.
(Layout::create_symtab_sections): Add shnum parameter. Change
caller. Create .symtab_shndx section if needed.
(Layout::create_shdrs): Add shstrtab_section parameter. Change
caller.
(Layout::allocated_output_section_count): New function.
(Layout::create_dynamic_symtab): Create .dynsym_shndx section if
needed.
* layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
fields. Update declarations.
(Layout::symtab_xindex): New function.
(Layout::dynsym_xindex): New function.
(class Write_symbols_task): Add layout_ field.
(Write_symbols_task::Write_symbols_task): Add layout parameter.
Change caller.
* output.cc (Output_section_headers::Output_section_headers): Add
shstrtab_section parameter. Change all callers.
(Output_section_headers::do_sized_write): Store overflow values
for section count and section string table section index in
section header zero.
(Output_file_header::do_sized_write): Check for overflow of
section count and section string table section index.
(Output_symtab_xindex::do_write): New function.
(Output_symtab_xindex::endian_do_write): New function.
* output.h (class Output_section_headers): Add shstrtab_section_.
Update declarations.
(class Output_symtab_xindex): Define.
(Output_section::has_out_shndx): New function.
* symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
field.
(Symbol::init_base): Add st_shndx and is_ordinary parameters.
Change all callers.
(Sized_symbol::init): Likewise.
(Symbol::output_section): Check for ordinary symbol.
(Symbol_table::add_from_object): Remove orig_sym parameter. Add
st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
callers.
(Symbol_table::add_from_relobj): Add symndx_offset parameter.
Change all callers. Simplify handling of symbols from sections
not included in the link.
(Symbol_table::add_from_dynobj): Handle ordinary symbol
distinction.
(Weak_alias_sorter::operator()): Assert that symbols are
ordinary.
(Symbol_table::sized_finalize_symbol): Handle ordinary symbol
distinction.
(Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
parameters. Change all callers.
(Symbol_table::sized_write_globals): Likewise. Handle ordinary
symbol distinction. Use SHN_XINDEX when needed.
(Symbol_table::write_section_symbol): Add symtab_xindex
parameter. Change all callers.
(Symbol_table::sized_write_section_symbol): Likewise. Use
SHN_XINDEX when needed.
* symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
declarations.
(Symbol::shndx): Add is_ordinary parameter. Change all callers.
(Symbol::is_defined): Check is_ordinary.
(Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
(Symbol::is_absolute, Symbol::is_common): Likewise.
(class Sized_symbol): Update declarations.
(class Symbol_table): Update declarations.
* resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
parameters. Change all callers.
(Sized_symbol::override): Likewise.
(Symbol_table::override): Likewise.
(symbol_to_bits): Add is_ordinary parameter. Change all callers.
(Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
is_ordinary, and orig_st_shndx parameters. Change all callers.
* copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
to be in an ordinary section.
* dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
object and is_ordinary parameters. Change all callers.
(Sized_dwarf_line_info::read_relocs): Add object parameter.
Change all callers. Don't add undefined or non-ordinary symbols
to reloc_map_.
(Sized_dwarf_line_info::read_line_mappings): Add object parameter.
Change all callers.
* dwarf_reader.h (class Sized_dwarf_line_info): Update
declarations.
* ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
* reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
(Sized_relobj::relocate_sections): Likewise.
* target-reloc.h (scan_relocs): Adjust section symbol index.
(scan_relocatable_relocs): Likewise.
* i386.cc (Scan::local): Check for ordinary symbols.
* sparc.cc (Scan::local): Likewise.
* x86_64.cc (Scan::local): Likewise.
* testsuite/binary_unittest.cc (Sized_binary_test): Update calls
to symbol_section_and_value.
* testsuite/many_sections_test.cc: New file.
* testsuite/Makefile.am (BUILT_SOURCES): Define.
(check_PROGRAMS): Add many_sections_test.
(many_sections_test_SOURCES): Define.
(many_sections_test_DEPENDENCIES): Define.
(many_sections_test_LDFLAGS): Define.
(BUILT_SOURCES): Add many_sections_define.h.
(many_sections_define.h): New target.
(BUILT_SOURCES): Add many_sections_check.h.
(many_sections_check.h): New target.
(check_PROGRAMS): Add many_sections_r_test.
(many_sections_r_test_SOURCES): Define.
(many_sections_r_test_DEPENDENCIES): Define.
(many_sections_r_test_LDFLAGS): Define.
(many_sections_r_test_LDADD): Define.
(many_sections_r_test.o): New target.
* testsuite/Makefile.in: Rebuild.
2008-04-17 Cary Coutant <ccoutant@google.com>
* errors.cc (Errors::info): New function.
(gold_info): New function.
* errors.h (Errors::info): New function.
* gold.h (gold_info): New function.
* object.cc (Input_objects::add_object): Print trace output.
* options.cc (options::parse_set): New function.
(General_options::parse_wrap): Deleted.
(General_options::General_options): Deleted initializer.
* options.h (options::String_set): New typedef.
(options::parse_set): New function.
(DEFINE_set): New macro.
(General_options::wrap): Changed to use DEFINE_set. Changed
callers of any_wrap_symbols and is_wrap_symbol.
(General_options::trace, General_options::trace_symbol):
New options.
(General_options::any_wrap_symbols, General_options::is_wrap_symbol)
(General_options::wrap_symbols_): Deleted.
* symtab.cc (Symbol_table::add_from_object): Print trace output.
2008-04-17 David S. Miller <davem@davemloft.net>
* options.cc (General_options::parse_V): New function.
* options.h: Add entries for -V and -Qy.
2008-04-17 Ian Lance Taylor <iant@google.com>
* common.cc (Symbol_table::allocate_commons): Remove options
parameter. Change caller.
(Symbol_table::do_allocate_commons): Remove options parameter.
Change caller. Just call do_allocate_commons_list twice.
(Symbol_table::do_allocate_commons_list): New function, broken out
of do_allocate_commons.
* common.h (class Allocate_commons_task): Remove options_ field.
Update constructor.
* symtab.cc (Symbol_table::Symbol_table): Initialize
tls_commons_.
(Symbol_table::add_from_object): Put TLS common symbols on
tls_commons_ list.
(Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
which are IN_OUTPUT_DATA.
* symtab.h (class Symbol_table): Add tls_commons_ field. Update
allocate_commons and do_allocate_commons declarations. Declare
do_allocate_commons_list.
* gold.cc (queue_middle_tasks): Update creation of
Allocate_commons_task to not pass options.
* testsuite/Makefile.am (INCLUDES): Add -I.. .
(TLS_TEST_C_FLAGS): New variable.
(tls_test_c_pic.o): New target.
(tls_test_shared.so): Link in tls_test_c_pic.o.
(tls_test_c_pic_ie.o): New target.
(tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
(tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
(tls_test_c.o): New target.
(tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
(tls_pic_test_LDADD): Likewise.
(tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
(tls_shared_gd_to_ie_test_LDADD): Likewise.
(tls_test_c_gnu2.o): New target.
(tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
tls_test_c_gnu2.o.
(tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
(tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
(tls_test_shared_nonpic.so): Link in tls_test_c.o.
* testsuite/tls_test.cc: Include "config.h".
(t_last): Call t11_last.
* testsuite/tls_test.h (t11, t11_last): Declare.
* testsuite/tls_test_c.c: New file.
* testsuite/tls_test_main.cc (thread_routine): Call t11.
* configure.ac: Check for OpenMP support.
* configure, config.in, Makefile.in: Rebuild.
* testsuite/Makefile.in: Rebuild.
2008-04-16 Cary Coutant <ccoutant@google.com>
* i386.cc (Target_i386::define_tls_base_symbol): New function.
(Target_i386::tls_base_symbol_defined_): New field.
(Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
(Target_i386::Scan::global): Likewise.
* symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
* x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
(Target_x86_64::tls_base_symbol_defined_): New field.
(Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
(Target_x86_64::Scan::global): Likewise.
2008-04-16 Cary Coutant <ccoutant@google.com>
* symtab.h (Symbol::is_strong_undefined): Removed unused function.
(Symbol::needs_plt_entry): Allow weak undefined symbols.
(Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
building shared libraries.
* testsuite/Makefile.am (weak_undef_nonpic_test): New target.
(weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
(weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
* testsuite/Makefile.in: Rebuild.
* testsuite/weak_undef.h: New file.
* testsuite/weak_undef_file1.cc: Add extra test cases.
* testsuite/weak_undef_file2.cc: Likewise.
* testsuite/weak_undef_test.cc: Likewise.
2008-04-16 David S. Miller <davem@davemloft.net>
* sparc.cc (Target_sparc::Scan): Change from struct to class.
Add issued_non_pic_error_ field. Declare check_non_pic.
(Target_sparc::Scan::check_non_pic): New function.
(Target_sparc::Scan::local): Call check_non_pic as appropriate.
(Target_sparc::Scan::global): Likewise.
* configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
* configure: Rebuild.
* options.h (DEFINE_enable): New macro.
(new_dtags): New enable option.
(initfirst, interpose, loadfltr, nodefaultlib,
nodelete, nodlopen, nodump): New -z options.
* layout.cc (Layout:finish_dynamic_section): If new
dtags enabled, emit DT_RUNPATH. Also, emit a
DT_FLAGS_1 containing any specified -z flags.
2008-04-16 Ian Lance Taylor <iant@google.com>
* copy-relocs.cc: New file.
* copy-relocs.h: New file.
* reloc.cc: Remove Copy_relocs code.
* reloc.h: Likewise.
* reloc-types.h (struct Reloc_types) [both versions]: Add
get_reloc_addend_noerror.
* output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
variants of add_global which take an addend which must be zero.
* i386.cc: Include "copy-relocs.h".
(class Target_i386): Change type of copy_relocs_ to variable,
update initializer.
(Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
Change all callers.
(Target_i386::do_finalize_sections): Change handling of
copy_relocs_.
* sparc.cc: Include "copy-relocs.h".
(class Target_sparc): Change type of copy_relocs_ to variable,
update initializer.
(Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
Change all callers.
(Target_sparc::do_finalize_sections): Change handling of
copy_relocs_.
* x86_64.cc: Include "copy-relocs.h".
(class Target_x86_64): Change type of copy_relocs_ to variable,
update initializer.
(Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
class. Change all callers.
(Target_x86_64::do_finalize_sections): Change handling of
copy_relocs_.
* Makefile.am (CCFILES): Add copy-relocs.cc.
(HFILES): Add copy-relocs.h.
* Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
* testsuite/script_test_4.sh: Permit leading zeroes.
2008-04-15 Ian Lance Taylor <iant@google.com>
* script-sections.cc (Script_sections::create_segments): Use
header_size_adjustment even when there is enough room for the
headers.
* testsuite/script_test_4.sh: New file.
* testsuite/script_test_4.t: New file.
* testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
(check_DATA): Add script_test_4.stdout.
(MOSTLYCLEANFILES): Likewise.
(script_test_4): New target.
(script_test_4.stdout): New target.
* testsuite/Makefile.in: Rebuild.
* sparc.cc: Add definitions for Output_data_plt_sparc class
constants.
2008-04-14 David S. Miller <davem@davemloft.net>
* sparc.cc: New file.
* Makefile.am (TARGETSOURCES): Add sparc.cc
(ALL_TARGETOBJS): Add sparc.$(OBJEXT)
* configure.tgt: Document targ_extra_size and
targ_extra_big_endian. Add entries for sparc-* and
sparc64-*.
* configure.ac: Handle targ_extra_size and
targ_extra_big_endian.
* Makefile.in: Rebuild.
* configure: Likewise.
* po/POTFILES.in: Likewise.
* po/gold.pot: Likewise.
2008-04-14 Ian Lance Taylor <iant@google.com>
* layout.cc (Layout::Layout): Initialize sections_are_attached_.
(Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
in the name/type/flags to section mapping. Don't call
allocate_output_section.
(Layout::choose_output_section): Change parameter from adjust_name
to is_input_section. Don't permit input sections after sections
are attached to segments. Don't call allocate_output_section.
(Layout::layout_eh_frame): Call update_flags_for_input_section,
not write_enable_output_section.
(Layout::make_output_section): Don't push to
unattached_section_list_ nor call attach_to_segment. Call
attach_section_to_segment if sections are attached.
(Layout::attach_sections_to_segments): New function.
(Layout::attach_section_to_segment): New function.
(Layout::attach_allocated_section_to_segment): Rename from
attach_to_segment. Remove flags parameter.
(Layout::allocate_output_section): Remove function.
(Layout::write_enable_output_section): Remove function.
* layout.h (class Layout): Update for above changes. Add new
field sections_are_attached_.
* output.h (Output_section::update_flags_for_input_section): New
function.
* output.cc (Output_section::add_input_section): Call
update_flags_for_input_section.
* gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
2008-04-11 Cary Coutant <ccoutant@google.com>
* i386.cc (Target_i386::got_mod_index_entry): Restore code previously
thought unnecessary.
* x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
2008-04-11 Ian Lance Taylor <iant@google.com>
* output.h (class Output_section_data): Remove inline definition
of set_addralign.
* output.cc (Output_section_data::set_addralign): New function.
2008-04-11 Cary Coutant <ccoutant@google.com>
Add support for TLS descriptors for i386 and x86_64.
* i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
(Target_i386::Relocate::tls_desc_gd_to_le): New function.
(Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
GOT_TYPE_TLS_DESC.
(Target_i386::got_mod_index_entry): Remove unnecessary code.
(Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
relocations.
(Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
Fix problem with initial-exec relocations.
(Target_i386::Relocate::relocate_tls): Likewise.
(Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
relaxation.
* output.cc (Output_data_dynamic::Dynamic_entry::write): Add
support for section-plus-offset dynamic table entries.
* output.h (Output_data_dynamic::add_section_plus_offset): New function.
(Output_data_dynamic::Dynamic_entry): Add support for
section-plus-offset dynamic table entries.
(Output_data_dynamic::Classification): Likewise.
(Output_data_dynamic::classification_): Renamed offset_.
* x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
(Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
(Target_x86_64::make_plt_section): New function.
(Target_x86_64::reserve_tlsdesc_entries): New function.
(Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
(Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
(Output_data_plt_x86_64::has_tlsdesc_entry): New function.
(Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
(Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
(Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
(Output_data_plt_x86_64::set_final_data_size): Move out of line;
add extra PLT entry for TLS descriptors.
(Output_data_plt_x86_64::got_): New field.
(Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
(Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
fields.
(Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
descriptors.
(Target_x86_64::make_plt_entry): Factor out make_plt_section.
(Target_x86_64::got_mod_index_entry): Remove unnecessary code.
(Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
R_386_TLS_DESC_CALL relocations.
(Target_x86_64::Scan::global): Likewise.
(Target_x86_64::do_finalize_sections): Add dynamic table entries
for TLS descriptors.
(Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
(Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
GD-to-IE relaxation.
* configure.ac: Export new conditional variables TLS_GNU2_DIALECT
and TLS_DESCRIPTORS.
* Makefile.in: Rebuild.
* configure: Rebuild.
* testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
(tls_test_shared2.so): New target.
(tls_shared_gd_to_ie_test_SOURCES): New variable.
(tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
(tls_shared_gd_to_ie_test_LDFLAGS): New variable.
(tls_shared_gd_to_ie_test_LDADD): New variable.
(tls_shared_gnu2_gd_to_ie_test): New target.
(tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
New targets.
(tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
(ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
(tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
(tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
(tls_shared_gnu2_test): New target.
(tls_test_gnu2_shared.so): New target.
(tls_shared_gnu2_test_SOURCES): New variable.
(tls_shared_gnu2_test_DEPENDENCIES): New variable.
(tls_shared_gnu2_test_LDFLAGS): New variable.
(tls_shared_gnu2_test_LDADD): New variable.
* testsuite/Makefile.in: Rebuild.
* testsuite/Makefile.
2008-04-11 Ian Lance Taylor <iant@google.com>
* testsuite/Makefile.am (justsyms_2r.o): Add dependency on
justsyms.t.
* testsuite/Makefile.in: Rebuild.
* testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
long.
* testsuite/script_test_2.cc (main): Adjust test.
2008-04-11 David S. Miller <davem@davemloft.net>
Ian Lance Taylor <iant@google.com>
* options.h (General_options): Add entries for '-Y' and
'-relax'.
* options.cc (General_options:finalize): If -Y was used, add those
entries to the library path instead of the default "/lib" and
"/usr/lib".
2008-04-11 David S. Miller <davem@davemloft.net>
* testsuite/justsyms.t: Start at 0x100.
* testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
* testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
long.
* testsuite/script_test_2.cc: Adjust string and section length
checks.
2008-04-09 Ian Lance Taylor <iant@google.com>
PR gold/5996
* script-sections.cc (Sections_element::allocate_to_segment): Add
orphan parameter.
(Output_section_definition::allocate_to_segment): Likewise.
(Orphan_output_section::allocate_to_segment): Likewise.
(Script_sections::attach_sections_using_phdrs_clause): Don't
propagate non-PT_LOAD segments to orphan sections.
* testsuite/Makefile.am (script_test_3.stdout): Generate using
readelf rather than objdump.
* testsuite/script_test_3.sh: Adjust accordingly. Test that
.interp section and PT_INTERP segment are the same size.
* testsuite/Makefile.in: Rebuild.
* symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
aliases for symbols defined in the same object.
* testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
(weak_alias_test_SOURCES): New variable.
(weak_alias_test_DEPENDENCIES): New variable.
(weak_alias_test_LDFLAGS): New variable.
(weak_alias_test_LDADD): New variable.
(weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
(weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
(weak_alias_test_3.o): New target.
(weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
* testsuite/weak_alias_test_main.cc: New file.
* testsuite/weak_alias_test_1.cc: New file.
* testsuite/weak_alias_test_2.cc: New file.
* testsuite/weak_alias_test_3.cc: New file.
2008-04-08 Ian Lance Taylor <iant@google.com>
* options.h (class General_options): Add --noinhibit-exec option.
* main.cc (main): Check --noinhibit-exec.
* options.h (class General_options): Define --wrap as a special
option. Add wrap_symbols_ field.
(General_options::any_wrap_symbols): New function.
(General_options::is_wrap_symbol): New function.
* options.cc (General_options::parse_wrap): New function.
(General_options::General_options): Initialize wrap_symbols_.
* symtab.cc (Symbol_table::wrap_symbol): New function.
(Symbol_table::add_from_object): Handle --wrap.
* symtab.h (class Symbol_table): Declare wrap_symbol.
* target.h (Target::wrap_char): New function.
(Target::Target_info): Add wrap_char field.
* i386.cc (Target_i386::i386_info): Initialize wrap_char.
* x86_64.cc (Target_x86_64::x86_64_info): Likewise.
* testsuite/testfile.cc (Target_test::test_target_info):
Likewise.
* errors.cc (Errors::undefined_symbol): Mention symbol version if
there is one.
* layout.h (class Layout): Add added_eh_frame_data_ field.
* layout.cc (Layout::Layout): Initialize new field.
(Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
output section until we find a section we merged successfully.
* object.cc (Sized_relobj::check_eh_frame_flags): Don't require
that the size be non-zero.
* merge.cc (Object_merge_map::get_output_offset): Remove inline
qualifier.
2008-04-08 Craig Silverstein <csilvers@google.com>
* configure.ac: Export new conditional variable HAVE_ZLIB.
* testsuite/Makefile.am (flagstest_o_specialfile): Condition
on HAVE_ZLIB.
(flagstest_o_specialfile_and_compress_debug_sections): Likewise.
* configure, Makefile.in, testsuite/Makefile.in: Rebuild.
2008-04-07 Ian Lance Taylor <iant@google.com>
* version.cc (version_string): Set to "1.5".
* x86_64.cc (Target_x86_64::Scan): Change from struct to class.
Add issued_non_pic_error_ field. Declare check_non_pic.
(Target_x86_64::Scan::check_non_pic): New function.
(Target_x86_64::Scan::local): Call check_non_pic as appropriate.
(Target_x86_64::Scan::global): Likewise.
* output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
addend parameter. Change caller. Handle merge sections.
(Output_reloc<SHT_REL>::symbol_value): Change parameter type from
Address to Addend. Don't add in the result of
local_section_offset, pass down the addend and use the returned
value.
* output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
Update declarations of local_section_offset and symbol_value.
* testsuite/two_file_test_1.cc (t18): New function.
* testsuite/two_file_test_2.cc (f18): New function.
* testsuite/two_file_test_main.cc (main): Call t18.
* testsuite/two_file_test.h (t18, f18): Declare.
* configure.ac: Don't test for objdump, c++filt, or readelf.
* testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
conditionals.
(TEST_READELF): New variable.
(TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
(check_PROGRAMS): Add two_file_strip_test.
(two_file_strip_test): New target.
(check_PROGRAMS): Add two_file_same_shared_strip_test.
(two_file_same_shared_strip_test_SOURCES): New variable.
(two_file_same_shared_strip_test_DEPENDENCIES): New variable.
(two_file_same_shared_strip_test_LDFLAGS): New variable.
(two_file_same_shared_strip_test_LDADD): New variable.
(two_file_shared_strip.so): New target.
(ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
(ver_test_5.syms, ver_test_7.syms): Likewise.
(ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
(strip_test_3.stdout): Use TEST_OBJDUMP.
* configure, Makefile.in, testsuite/Makefile.in: Rebuild.
2008-04-04 Cary Coutant <ccoutant@google.com>
* symtab.h (Symbol::is_weak_undefined): New function.
(Symbol::is_strong_undefined): New function.
(Symbol::is_absolute): New function.
(Symbol::needs_plt_entry): Exclude weak undefined symbols.
(Symbol::needs_dynamic_reloc): Exclude weak undefined and
absolute symbols.
* testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
(weak_undef_test): New target.
* testsuite/Makefile.in: Rebuild.
* testsuite/weak_undef_file1.cc: New file.
* testsuite/weak_undef_file2.cc: New file.
* testsuite/weak_undef_test.cc: New file.
2008-04-03 Craig Silverstein <csilvers@google.com>
* compressed_output.h (class Output_compressed_section): Use
unsigned buffer.
* compressed_output.cc (zlib_compress): Use unsigned buffers,
add zlib header.
(zlib_compressed_suffix): Removed.
(Output_compressed_section::set_final_data_size): Use unsigned
buffers.
* testsuite/Makefile.am (flagstest_compress_debug_sections):
Fix linker invocation.
(flagstest_o_specialfile_and_compress_debug_sections):
Likewise.
* testsuite/Makefile.in: Regenerated.
2008-04-02 David S. Miller <davem@davemloft.net>
* dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
2008-04-02 Craig Silverstein <csilvers@google.com>
* TODO: New file.
2008-04-02 Ian Lance Taylor <iant@google.com>
* fileread.cc (File_read::find_view): Add byteshift and vshifted
parameters. Update for new key type to views_. Change all
callers.
(File_read::read): Adjust for byteshift in returned view.
(File_read::add_view): New function, broken out of
find_and_make_view.
(File_read::make_view): New function, broken out of
find_and_make_view.
(File_read::find_or_make_view): Add offset and aligned
parameters. Rewrite accordingly. Change all callers.
(File_read::get_view): Add offset and aligned parameters. Adjust
for byteshift in return value.
(File_read::get_lasting_view): Likewise.
* fileread.h (class File_read): Update declarations.
(class File_read::View): Add byteshift_ field. Add byteshift to
constructor. Add byteshift method.
* archive.h (Archive::clear_uncached_views): New function.
(Archive::get_view): Add aligned parameter. Change all callers.
* object.h (Object::get_view): Add aligned parameter. Change all
callers.
(Object::get_lasting_view): Likewise.
* fileread.cc (File_read::release): Don't call clear_views if
there are multiple objects.
* fileread.h (File_read::clear_uncached_views): New function.
* archive.cc (Add_archive_symbols::run): Call clear_uncached_views
on the archive.
2008-03-31 Cary Coutant <ccoutant@google.com>
Add thin archive support.
* archive.cc (Archive::armagt): New const.
(Archive::setup): Remove task parameter and calls to unlock.
(Archive::unlock_nested_archives): New function.
(Archive::read_header): Add nested_off parameter. Change
all callers.
(Archive::interpret_header): Likewise.
(Archive::include_all_members): Change to handle thin
archives.
(Archive::include_member): Likewise.
* archive.h (Archive::Archive): Add new parameters and
initializers.
(Archive::armagt): New const.
(Archive::setup): Remove task parameter.
(Archive::unlock_nested_archives): New function.
(Archive::read_header): Add nested_off parameter.
(Archive::interpret_header): Likewise.
(Archive::Nested_archive_table): New typedef.
(Archive::is_thin_archive_): New field.
(Archive::nested_archives_): New field.
(Archive::options_): New field.
(Archive::dirpath_): New field.
(Archive::task_): New field.
* readsyms.cc (Read_symbols::do_read_symbols): Add check
for thin archives. Pass additional parameters to
Archive::Archive. Unlock the archive file after calling
Archive::setup.
2008-03-29 Ian Lance Taylor <iant@google.com>
* symtab.cc (Symbol_table::do_define_as_constant): Don't force a
version symbol to be local.
* testsuite/ver_test_4.sh: New file.
* testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
(check_DATA): Add ver_test_4.syms.
(ver_test_4.syms): New target.
* testsuite/Makefile.in: Rebuild.
* output.cc
(Output_section::Input_section_sort_entry::has_priority): New
function.
(Output_section::Input_section_sort_entry::match_file_name): New
function.
(Output_section::Input_section_sort_entry::match_section_name):
Remove.
(Output_section::Input_section_sort_entry::match_section_name_prefix):
Remove.
(Output_section::Input_section_sort_entry::match_section_file):
Remove.
(Output_section::Input_section_sort_compare::operator()): Rewrite
using new Input_section_sort_entry functions. Sort crtbegin and
crtend first. Sort sections with no priority before sections with
a priority.
* testsuite/initpri1.c (d3): Check j != 4.
(cd5): New constructor/destructor function.
(main): Check j != 2.
* symtab.cc (Symbol_table::add_from_object): If we don't use the
new symbol when resolving, don't call set_is_default.
* testsuite/ver_test_7.cc: New file.
* testsuite/ver_test_7.sh: New file.
* testsuite/Makefile.am (ver_test_7.so): New target.
(ver_test_7.o): New target.
(check_SCRIPTS): Add ver_test_7.sh.
(check_DATA): Add ver_test_7.syms.
(ver_test_7.syms): New target.
2008-03-28 Ian Lance Taylor <iant@google.com>
* layout.cc (Layout::layout): If we see an input section with a
name that needs sorting, set the must_sort flag for the output
section.
(Layout::make_output_section): If the name of the output section
indicates that it might require sorting, set the may_sort flag.
* output.h (Output_section::may_sort_attached_input_sections): New
function.
(Output_section::set_may_sort_attached_input_sections): New
function.
(Output_section::must_sort_attached_input_sections): New
function.
(Output_section::set_must_sort_attached_input_sections): New
function.
(class Output_section): Declare Input_section_sort_entry. Define
Input_section_sort_compare. Declare
sort_attached_input_sections. Add new fields:
may_sort_attached_input_sections_,
must_sort_attached_input_sections_,
attached_input_sections_are_sorted_.
* output.cc (Output_section::Output_section): Initialize new
fields.
(Output_section::add_input_section): Add an entry to
input_sections_ if may_sort or must_sort are true.
(Output_section::set_final_data_size): Call
sort_attached_input_sections if necessary.
(Output_section::Input_section_sort_entry): Define new class.
(Output_section::Input_section_sort_compare::operator()): New
function.
(Output_section::sort_attached_input_sections): New function.
* configure.ac: Check whether the compiler supports constructor
priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
* testsuite/initpri1.c: New file.
* testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
CONSTRUCTOR_PRIORITY.
(initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
(initpri1_LDFLAGS): New variable.
* configure, Makefile.in, testsuite/Makefile.in: Rebuild.
2008-03-27 Ian Lance Taylor <iant@google.com>
* common.cc (Sort_commons::operator): Correct sorting algorithm.
* testsuite/common_test_1.c: New file.
* testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
(common_test_1_SOURCES): New variable.
(common_test_1_DEPENDENCIES): New variable.
(common_test_1_LDFLAGS): New variable.
* symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
and commons_ correctly when NAME/VERSION does not override
NAME/NULL.
* testsuite/ver_test_6.c: New file.
* testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
(ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
(ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
2008-03-26 Ian Lance Taylor <iant@google.com>
* symtab.cc (Symbol_table::add_from_relobj): Don't set the version
of an undefined symbol from a version script.
* testsuite/Makefile.am (ver_test_5.so): New target.
(ver_test_5.o): New target.
(check_SCRIPTS): Add ver_test_5.sh.
(check_DATA): Add ver_test_5.syms.
(ver_test_5.syms): New target.
* testsuite/ver_test_5.cc: New file.
* testsuite/ver_test_5.script: New file.
* testsuite/ver_test_5.sh: New file.
* Makefile.in, testsuite/Makefile.in: Rebuild.
PR gold/5986
Fix problems building gold with gcc 4.3.0.
* gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
(gold_error_at_location, gold_warning_at_location): Use it.
* configure.ac: Check whether we can compile and use a template
function with a printf attribute.
* x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
when jumping over bytes.
* object.cc: Instantiate Object::read_section_data.
* debug.h: Include <cstring>
* dwarf_reader.cc: Include <algorithm>
* main.cc: Include <cstring>.
* options.cc: Include <cstring>.
* output.cc: Include <cstring>.
* script.cc: Include <cstring>.
* script.h: Include <string>.
* symtab.cc: Include <cstring> and <algorithm>.
* target-select.cc: Include <cstring>.
* version.cc: Include <string>.
* testsuite/testmain.cc: Include <cstdlib>.
* configure, config.in: Rebuild.
2008-03-25 Ian Lance Taylor <iant@google.com>
* options.cc: Include "../bfd/bfdver.h".
(options::help): Print bug reporting address.
* version.cc (print_version): Adjust output for current value of
BFD_VERSION_STRING.
* NEWS: New file.
* options.cc (options::help): Print list of supported targets.
* target-select.h: Include <vector>.
(class Target_selector): Make machine_, size_, and is_big_endian_
fields const. Add bfd_name_ and instantiated_target_ fields.
(Target_selector::Target_selector): Add bfd_name parameter.
(Target_selector::recognize): Make non-virtual, call
do_recognize.
(Target_selector::recognize_by_name): Make non-virtual, call
do_recognize_by_name.
(Target_selector::supported_names): New function.
(Target_selector::bfd_name): New function.
(Target_selector::do_instantiate_target): New pure virtual
function.
(Target_selector::do_recognize): New virtual function.
(Target_selector::do_recognize_by_name): New virtual function.
(Target_selector::instantiate_target): New private function.
(supported_target_names): Declare.
* target-select.cc (Target_selector::Target_selector): Update for
new parameter and fields.
(select_target_by_name): Check that the name matches before
calling recognize_by_name.
(supported_target_names): New function.
* i386.cc (class Target_selector_i386): Update Target_selector
constructor call. Remove recognize and recognize_by_name. Add
do_instantiate_target.
* x86_64.cc (class Target_selector_x86_64): Likewise.
* testsuite/testfile.cc (class Target_selector_test): Update for
changes to Target_selector.
* README: Rewrite, with some notes on unsupported features.
2008-03-24 Cary Coutant <ccoutant@google.com>
* i386.cc (Target_i386::Got_type): New enum declaration.
(Target_i386::Scan::local): Updated callers of Output_data_got
member functions.
(Target_i386::Scan::global): Likewise.
(Target_i386::Relocate::relocate): Likewise.
(Target_i386::Relocate::relocate_tls): Likewise.
* object.h (Got_offset_list): New class.
(Sized_relobj::local_has_got_offset): Added got_type parameter.
(Sized_relobj::local_got_offset): Likewise.
(Sized_relobj::set_local_got_offset): Likewise.
(Sized_relobj::local_has_tls_got_offset): Removed.
(Sized_relobj::local_tls_got_offset): Removed.
(Sized_relobj::set_local_tls_got_offset): Removed.
(Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
* output.cc (Output_data_got::add_global): Added got_type parameter.
(Output_data_got::add_global_with_rel): Likewise.
(Output_data_got::add_global_with_rela): Likewise.
(Output_data_got::add_global_pair_with_rel): New function.
(Output_data_got::add_global_pair_with_rela): New function.
(Output_data_got::add_local): Added got_type parameter.
(Output_data_got::add_local_with_rel): Likewise.
(Output_data_got::add_local_with_rela): Likewise.
(Output_data_got::add_local_pair_with_rel): New function.
(Output_data_got::add_local_pair_with_rela): New function.
(Output_data_got::add_global_tls): Removed.
(Output_data_got::add_global_tls_with_rel): Removed.
(Output_data_got::add_global_tls_with_rela): Removed.
(Output_data_got::add_local_tls): Removed.
(Output_data_got::add_local_tls_with_rel): Removed.
(Output_data_got::add_local_tls_with_rela): Removed.
* output.h (Output_data_got::add_global): Added got_type parameter.
(Output_data_got::add_global_with_rel): Likewise.
(Output_data_got::add_global_with_rela): Likewise.
(Output_data_got::add_global_pair_with_rel): New function.
(Output_data_got::add_global_pair_with_rela): New function.
(Output_data_got::add_local): Added got_type parameter.
(Output_data_got::add_local_with_rel): Likewise.
(Output_data_got::add_local_with_rela): Likewise.
(Output_data_got::add_local_pair_with_rel): New function.
(Output_data_got::add_local_pair_with_rela): New function.
(Output_data_got::add_global_tls): Removed.
(Output_data_got::add_global_tls_with_rel): Removed.
(Output_data_got::add_global_tls_with_rela): Removed.
(Output_data_got::add_local_tls): Removed.
(Output_data_got::add_local_tls_with_rel): Removed.
(Output_data_got::add_local_tls_with_rela): Removed.
* resolve.cc (Symbol::override_base_with_special): Removed
reference to has_got_offset_ field.
* symtab.cc (Symbol::init_fields): Replaced initialization
of got_offset_ with got_offsets_. Removed initialization
of has_got_offset_
* symtab.h (Symbol::has_got_offset): Aded got_type parameter.
(Symbol::got_offset): Likewise.
(Symbol::set_got_offset): Likewise.
(Symbol::has_tls_got_offset): Removed.
(Symbol::tls_got_offset): Removed.
(Symbol::set_tls_got_offset): Removed.
(Symbol::got_offset_): Removed.
(Symbol::tls_mod_got_offset_): Removed.
(Symbol::tls_pair_got_offset_): Removed.
(Symbol::got_offsets_): New field.
(Symbol::has_got_offset): Removed.
(Symbol::has_tls_mod_got_offset): Removed.
(Symbol::has_tls_pair_got_offset): Removed.
* x86_64.cc (Target_x86_64::Got_type): New enum declaration.
(Target_x86_64::Scan::local): Updated callers of Output_data_got
member functions.
(Target_x86_64::Scan::global): Likewise.
(Target_x86_64::Relocate::relocate): Likewise.
(Target_x86_64::Relocate::relocate_tls): Likewise.
2008-03-25 Ben Elliston <bje@au.ibm.com>
* yyscript.y: Fix spelling error in comment.
2008-03-24 Ian Lance Taylor <iant@google.com>
* options.h (class General_options): Define build_id option.
* layout.h (class Layout): Declare write_build_id, create_note,
create_build_id. Add build_id_note_ member.
* layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
"libiberty.h", "md5.h", "sha1.h".
(Layout::Layout): Initialize eh_frame_data_,
eh_frame_hdr_section_, and build_id_note_.
(Layout::finalize): Call create_build_id.
(Layout::create_note): New function, broken out of
Layout::create_gold_note.
(Layout::create_gold_note): Call create_note.
(Layout::create_build_id): New function.
(Layout::write_build_id): New function.
(Close_task_runner::run): Call write_build_id.
* x86_64.cc: Correct license to GPLv3.
2008-03-23 Ian Lance Taylor <iant@google.com>
* options.cc: Include "demangle.h".
(parse_optional_string): New function.
(parse_long_option): Handle takes_optional_argument.
(parse_short_option): Update dash_z initializer. Handle
takes_optional_argument.
(General_options::General_options): Initialize do_demangle_.
(General_options::finalize): Set do_demangle_. Handle demangling
style.
* options.h (parse_optional_string): Declare.
(struct One_option): Add optional_arg field. Update constructor.
Update call constructor calls. Add takes_optional_argument
function.
(DEFINE_var): Add optional_arg__ parameter. Change all callers.
(DEFINE_optional_string): Define.
(General_options::demangle): Change from DEFINE_bool to
DEFINE_optional_string.
(General_options::no_demangle): New function.
(General_options::do_demangle): New function.
(General_options::set_do_demangle): New function.
(General_options::execstack_status_): Move definition to end of
class definition.
(General_options::static_): Likewise.
(General_options::do_demangle_): New field.
* object.cc (big_endian>::get_symbol_location_info): Call
Options::do_demangle, not Options::demangle.
* symtab.cc (demangle): Likewise.
2008-03-22 Ian Lance Taylor <iant@google.com>
* gold.h: Include <cstddef> and <sys/types.h>
* options.h: Include <cstring>.
2008-03-21 Ian Lance Taylor <iant@google.com>
* Added source code to GNU binutils.
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