Commit Graph

120 Commits

Author SHA1 Message Date
Ian Lance Taylor 8a5e3e08a6 * layout.cc (Layout::make_output_section): Call
Target::new_output_section.
	(Layout::attach_allocated_section_to_segment): Put large section
	sections in a separate load segment with the large segment flag
	set.
	(Layout::segment_precedes): Sort large data segments after other
	load segments.
	(align_file_offset): New static function.
	(Layout::set_segment_offsets): Use align_file_offset.
	* output.h (class Output_section): Add is_small_section_ and
	is_large_section_ fields.
	(Output_section::is_small_section): New function.
	(Output_section::set_is_small_section):  New function.
	(Output_section::is_large_section): New function.
	(Output_section::set_is_large_section): New function.
	(Output_section::is_large_data_section): New function.
	(class Output_segment): Add is_large_data_segment_ field.
	(Output_segment::is_large_data_segment): New function.
	(Output_segment::set_is_large_data_segment): New function.
	* output.cc (Output_section::Output_section): Initialize new
	fields.
	(Output_segment::Output_segment): Likewise.
	(Output_segment::add_output_section): Add assertion that large
	data sections always go in large data segments.  Force small data
	sections to the end of the list of data sections.  Force small BSS
	sections to the start of the list of BSS sections.  For large BSS
	sections to the end of the list of BSS sections.
	* symtab.h (class Symbol): Declare is_common_shndx.
	(Symbol::is_defined): Check Symbol::is_common_shndx.
	(Symbol::is_common): Likewise.
	(class Symbol_table): Define enum Commons_section_type.  Update
	declarations.  Add small_commons_ and large_commons_ fields.
	* symtab.cc (Symbol::is_common_shndx): New function.
	(Symbol_table::Symbol_table): Initialize new fields.
	(Symbol_table::add_from_object): Put small and large common
	symbols in the right list.
	(Symbol_table::sized_finalized_symbol): Check
	Symbol::is_common_shndx.
	(Symbol_table::sized_write_globals): Likewise.
	* common.cc (Symbol_table::do_allocate_commons): Allocate new
	common symbol lists.  Don't call do_allocate_commons_list if the
	list is empty.
	(Symbol_table::do_allocate_commons_list): Remove is_tls
	parameter.  Add comons_section_type parameter.  Change all
	callers.  Handle small and large common symbols.
	* object.cc (Sized_relobj::do_finalize_local_symbols): Check
	Symbol::is_common_shndx.
	* resolve.cc (symbol_to_bits): Likewise.
	* target.h (Target::small_common_shndx): New function.
	(Target::small_common_section_flags): New function.
	(Target::large_common_shndx): New function.
	(Target::large_common_section_flags): New function.
	(Target::new_output_section): New function.
	(Target::Target_info): Add small_common_shndx, large_common_shndx,
	small_common_section_flags, and large_common_section_flags
	fields.
	(Target::do_new_output_section): New virtual function.
	* arm.cc (Target_arm::arm_info): Initialize new fields.
	* i386.cc (Target_i386::i386_info): Likewise.
	* powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
	Likewise.
	* sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
	* x86_64.cc (Target_x86_64::x86_64_info): Likewise.
	(Target_x86_64::do_new_output_section): New function.
	* configure.ac: Define conditional MCMODEL_MEDIUM.
	* testsuite/Makefile.am (check_PROGRAMS): Add large.
	(large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
	(large_LDFLAGS): Define.
	* testsuite/large.c: New file.
	* testsuite/testfile.cc (Target_test::test_target_info):
	Initialize new fields.
	* configure, testsuite/Makefile.in: Rebuild.
2009-06-22 06:51:53 +00:00
Cary Coutant 6551490093 2009-05-19 Doug Kwan <dougkwan@google.com>
* archive.cc (Archive::Archive): Move constructor from archive.h
	to here.  Initialize no_export_.
	(Archive::get_elf_object_for_member): Set no_export flag of object.
	* archive.h (Archive::Archive): Move constructor body to
	archive.cc.
	(Archive::no_export): New method.
	(Archive::no_export_): New field.
	* object.h (Object::Object): Initialize no_export_ to false.
	(Object::no_export, Object::set_no_export): New methods.
	(Object::no_export_): New field.
	* options.cc (General_options::parse_exclude_libs): New method.
	(General_options::check_excluded_libs) Same.
	* options.h (exclude_libs): New option.
	(General_options::check_excluded_libs): New method declaration.
	(General_options::excluded_libs_): New field.
	* symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
	default or protected visibility if an object has no-export flag set.
	testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
	(check_SCRIPTS): Add exclude_libs_test.sh.
	(check_DATA): Add exclude_libs_test.syms.
	(MOSTLYCLEANFILES): Add exclude_libs_test.syms,
	libexclude_libs_test_1.a and libexclude_libs_test_2.a.
	(exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
	exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
	(exclude_libs_test.syms, libexclude_libs_test_1.a,
	libexclude_libs_test_2.a): New rules.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/exclude_libs_test.c: New file.
	* testsuite/exclude_libs_test.sh: Ditto.
	* testsuite/exclude_libs_test_1.c: Ditto.
	* testsuite/exclude_libs_test_2.c: Ditto.
2009-05-19 22:14:17 +00:00
Ian Lance Taylor 8c50070107 * symtab.cc (Symbol_table::define_default_version): New function,
broken out of add_from_object.
	(Symbol_table::add_from_object): Call define_default_version.
	(Symbol_table::define_special_symbol): Add resolve_oldsym
	parameter.  Change all callers.  If the version for a symbol comes
	from a version script, resolve it with the symbol with the same
	name with no version.  Also add the symbol without a version if
	appropriate.
	(do_define_in_output_data): If resolving with oldsym, don't delete
	sym.
	(do_define_in_output_segment): Likewise.
	(do_define_as_constant): Likewise.
	* symtab.h (class Symbol_table): Update declarations.
2009-03-17 07:07:21 +00:00
Ian Lance Taylor b4ecf66bbe PR 6992
* symtab.cc (Symbol_table::sized_write_section_symbol): In a
	relocatable link set the value of the section symbol to zero.
	* object.cc (Sized_relobj::do_finalize_local_symbols): In a
	relocatable link don't include the section address in the local
	symbol value.
2009-02-28 17:53:16 +00:00
Ian Lance Taylor fd9d194f04 PR 6811
* options.h (class Search_directory): Add is_system_directory.
	(class General_options): Declare is_in_system_directory.
	* options.cc (get_relative_sysroot): Make static.
	(get_default_sysroot): Make static.
	(General_optoins::is_in_system_directory): New function.
	* fileread.cc (Input_file::is_in_system_directory): New function.
	* fileread.h (class Input_file): Declare is_in_system_directory.
	* object.h (class Object): Add is_in_system_directory.
	(class Input_objects): Remove system_library_directory_ field.
	* object.cc (Input_objects::add_object): Don't set
	system_library_directory_.
	(input_objects::found_in_system_library_directory): Remove.
	* symtab.cc (Symbol_table::write_globals): Remove input_objects
	parameter.  Change all callers.
	(Symbol_table::sized_write_globals): Likewise.
	(Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
	Call Object::is_in_system_directory.
	* symtab.h (class Symbol_table): Update declarations.
2009-02-28 04:39:57 +00:00
Ian Lance Taylor 0602e05a84 PR 9836
* symtab.cc (Symbol_table::add_from_object): If the visibility is
	hidden or internal, force the symbol to be local.
	* resolve.cc (Symbol::override_visibility): Define.
	(Symbol::override_base): Use override_visibility.
	(Symbol_table::resolve): Likewise.
	(Symbol::override_base_with_special): Likewise.
	(Symbol_table::override_with_special): If the visibility is hidden
	or internal, force the symbol to be local.
	* symtab.h (class Symbol): Add set_visibility and
	override_visibility.
	* testsuite/ver_test_1.sh: New file.
	* testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
	(check_DATA): Add ver_test_1.syms.
	(ver_test_1.syms): New target.
	* testsuite/Makefile.in: Rebuild.
2009-02-27 19:57:46 +00:00
Chris Demetriou f073bbf7e0 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.
2009-02-06 19:20:10 +00:00
Sriraman Tallam 6d03d481a0 2009-01-20 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.
2009-01-28 02:25:33 +00:00
Craig Silverstein c82fbeee59 * 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.
2008-11-06 07:23:31 +00:00
Cary Coutant eff458138e * 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.
2008-09-29 21:10:26 +00:00
Cary Coutant 89fc34211b Add plugin functionality for link-time optimization (LTO).
include/:
	* plugin-api.h: New file.

gold/:
	* 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.
2008-09-19 22:54:57 +00:00
Cary Coutant ae6dce4daa 2008-09-05 Cary Coutant <ccoutant@google.com>
* symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
	explicit instantiations.
2008-09-06 01:13:00 +00:00
Kris Van Hees d7ab2a4705 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.
2008-08-28 14:51:04 +00:00
Ian Lance Taylor 057ead2231 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 23:44:02 +00:00
Chris Demetriou 58e54ac21d 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 16:19:59 +00:00
Ian Lance Taylor 95d14cd31e * 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.
2008-07-23 14:36:09 +00:00
Ian Lance Taylor 92de84a60c * 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 22:08:43 +00:00
Chris Demetriou 3f7c5e1d99 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 21:02:44 +00:00
Craig Silverstein 096b02cf4d 2008-07-21 Craig Silverstein <csilvers@google.com>
* symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
	Include symbol version in error message.
2008-07-21 23:36:29 +00:00
Ian Lance Taylor a18f591e92 * 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.
2008-07-18 07:03:27 +00:00
Ian Lance Taylor ef9beddf72 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.
2008-07-10 23:01:20 +00:00
Ian Lance Taylor 5adf97213b PR 6585
* symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
	Correct typo.
2008-06-30 18:16:31 +00:00
Ian Lance Taylor 75517b77b5 * 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.
2008-05-08 18:44:33 +00:00
Ian Lance Taylor f3e9c5c517 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.
2008-05-07 06:08:01 +00:00
Ian Lance Taylor 8bdcdf2c77 * 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.
2008-05-06 22:24:26 +00:00
Craig Silverstein e4e5049b7b * 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.
2008-05-01 00:25:33 +00:00
Ian Lance Taylor d491d34e93 * 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.
2008-04-19 18:30:58 +00:00
Cary Coutant c5818ff112 * 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 22:45:47 +00:00
Ian Lance Taylor 155a0dd763 * 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.
2008-04-17 07:12:00 +00:00
Cary Coutant edfbb02953 * 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.
2008-04-17 02:00:54 +00:00
Ian Lance Taylor a4bb589a17 Fix typo in comment in last commit. 2008-04-10 00:58:58 +00:00
Ian Lance Taylor 99a37bfda0 * 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.
2008-04-09 22:45:08 +00:00
Ian Lance Taylor 0864d55193 * 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.
2008-04-09 00:48:13 +00:00
Ian Lance Taylor 686c8caf41 * 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.
2008-03-29 08:39:26 +00:00
Ian Lance Taylor 479f65031f * 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.
2008-03-29 07:19:02 +00:00
Ian Lance Taylor 18e6b24e63 * 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.
2008-03-27 18:19:09 +00:00
Ian Lance Taylor 5871526fc2 * 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.
2008-03-27 06:11:57 +00:00
Ian Lance Taylor 04bf70729d 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.
2008-03-26 23:36:46 +00:00
Cary Coutant 0a65a3a740 * 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 18:37:16 +00:00
Ian Lance Taylor 086a18414a * 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.
2008-03-24 03:48:29 +00:00
Ian Lance Taylor be3e620119 Don't get confused about whether a symbol is the default version if we
see a later reference to it.  Add tests for this case.
2008-03-14 05:57:19 +00:00
Ian Lance Taylor 7d1a9ebbf2 Remove gcc 3.2 compatibility hacks. 2008-02-29 19:19:17 +00:00
Ian Lance Taylor 0dfbdef4c4 Support -d/--define-common. 2008-02-28 20:35:39 +00:00
Ian Lance Taylor 8851eccaec From Craig Silverstein: Have Parameters point to General_options. 2008-02-28 00:18:24 +00:00
Ian Lance Taylor caa9d5d919 Assignments in linker scripts override definitions from object files. 2008-02-13 01:20:38 +00:00
Ian Lance Taylor 77e655378d Track sections for expressions. 2008-02-09 01:22:17 +00:00
Ian Lance Taylor 5fe2a0f55b Even when stripping all symbols, we need to write out the dynamic
symbol table.
2008-02-07 04:35:41 +00:00
Ian Lance Taylor 88dd47ac00 Implement --just-symbols, including -R FILE. Fix symbol values when
doing a relocatable link.
2008-02-07 01:51:25 +00:00
Ian Lance Taylor fbfba50887 Support creating empty output when there are no input objects. 2008-02-06 20:32:10 +00:00
Ian Lance Taylor a445fddf82 Fully implement the SECTIONS clause. 2008-02-04 05:43:05 +00:00