Commit Graph

112 Commits

Author SHA1 Message Date
Ian Lance Taylor ebcc83046f PR 10670
* options.h (class General_options): Add -x/--discard-all.
	* object.cc (Sized_relobj::do_count_local_symbols): Handle
	--discard-all.  If the local symbol needs a dynamic entry, check
	that before handling --discard-locals.
2009-12-30 20:23:29 +00:00
Ian Lance Taylor fa618ee47d * object.cc (Relobj::is_section_name_included): Fix formatting. 2009-12-29 00:24:31 +00:00
Doug Kwan d6344fb5ba 2009-12-16 Doug Kwan <dougkwan@google.com>
* arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
	sections.
	* object.cc (Sized_relobj::do_finalize_local_symbols): Handle
	relaxed input sections.
	* output.cc (Output_section::find_relaxed_input_section): Change
	return type to Output_relaxed_input_section pointer.  Adjust code
	for new type of relaxed_input_section_map_.
	* output.h (Output_section::find_relaxed_input_section): Change
	return type to Output_relaxed_input_section pointer.
	(Output_section::Output_relaxed_input_section_by_input_section_map):
	New type.
	(Output_section::relaxed_input_section_map_): Change type to
	Output_section::Output_relaxed_input_section_by_input_section_map.
	* symtab.cc (Symbol_table::compute_final_value): Handle relaxed
	input section.
2009-12-17 00:00:26 +00:00
Ian Lance Taylor 2ea9794110 Revert -Wshadow changes, all changes from:
2009-12-11  Doug Kwan  <dougkwan@google.com>
	2009-12-11  Nick Clifton  <nickc@redhat.com>
	* configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
2009-12-14 19:53:05 +00:00
Nick Clifton 91d6fa6a03 Add -Wshadow to the gcc command line options used when compiling the binutils.
Fix up all warnings generated by the addition of this switch.
2009-12-11 13:42:17 +00:00
Doug Kwan 05a352e6a7 2009-12-05 Doug Kwan <dougkwan@google.com>
elfcpp/ChangeLog:

	* arm.h: Define enums for Tag_CPU_arch EABI attribute.

gold/ChangeLog:
	* arm.cc (Target_arm::arm_info): Initialize new fields
	attributes_section and attributes_vendor.
	* i386.cc (Target_i386::i386_info): Same.
	* object.cc (Sized_relobj::do_layout): Skip attribute section.
	* gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
	fields attributes_section and attributes_vendor.
 	* sparc.cc (Target_sparc::sparc_info): Same.
	* target.h (Target::attributes_section, Target::attributes_vendor,
	Target::is_attributes_section, Target::attribute_arg_type,
	Target::attributes_order): New method definitions.
	(Target::Target_info::attributes_section,
	Target::Target_info::attributes_vendor): New fields.
	(Target::do_attribute_arg_type, Target::do_attributes_order): New
	virtual method definitions.
	* x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
	attributes_section and attributes_vendor.
	* testsuite/testfile.cc (Target_test::test_target_info): Same.
2009-12-06 02:49:46 +00:00
Doug Kwan ac33a407ac 2009-11-10 Doug Kwan <dougkwan@google.com>
* i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
	a format warning.
	* incremental.cc (open_incremental_binary): Initialized local
	variables to avoid warnings.
	* object.cc (make_elf_object): Ditto.
	* x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
	a format warning.
2009-11-09 23:07:30 +00:00
Doug Kwan 6c17254915 2009-10-20 Doug Kwan <dougkwan@google.com>
* object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
	symbols of relaxed input sections.
	* output.h (Output_section::find_relaxed_input_section): Make
	method public.
2009-10-21 00:45:52 +00:00
Sriraman Tallam 032ce4e9e3 * gc.h (gc_process_relocs): Check if icf is enabled using new
function.
	* gold.cc (queue_initial_tasks): Likewise.
	(queue_middle_tasks): Likewise.
	* object.cc (do_layout): Likewise.
	* symtab.cc (is_section_folded): Likewise.
	* main.cc (main): Likewise.
	* reloc.cc (Read_relocs::run): Likewise.
	(Sized_relobj::do_scan_relocs): Likewise.
	* icf.cc (is_function_ctor_or_dtor): New function.
	(Icf::find_identical_sections): Check if function is ctor or dtor when
	safe icf is chosen.
	* options.h (General_options::icf): Change option to be an enum.
	(Icf_status): New enum.
	(icf_enabled): New method.
	(icf_safe_folding): New method.
	(set_icf_status): New method.
	(icf_status_): New variable.
	* (options.cc) (General_options::finalize): Set icf_status_.
	* testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
	icf_test and icf_keep_unique_test to use the --icf enum flag.
	* testsuite/icf_safe_test.sh: New file.
	* testsuite/icf_safe_test.cc: New file.
2009-10-13 21:17:43 +00:00
Doug Kwan c0a6286595 2009-10-09 Doug Kwan <dougkwan@google.com>
* layout.cc (Layout::make_output_section): Call target hook to make
	ordinary output section.
	(Layout::finalize): Adjust parameter list of call the
	Target::may_relax().
	* layout.h (class Layout::section_list): New method.
	* merge.h (Output_merge_base::entsize): Change visibility to public.
	(Output_merge_base::is_string, Output_merge_base::do_is_string):
	New methods.
	(Output_merge_string::do_is_string): New method.
	* object.cc (Sized_relobj::do_setup): renamed from
	Sized_relobj::set_up.
	* object.h (Sized_relobj::adjust_shndx,
	Sized_relobj::initializ_input_to_output_maps,
	Sized_relobj::free_input_to_output_maps): Change visibilities to
	protected.
	(Sized_relobj::setup): Virtualize.
	(Sized_relobj::do_setup): New method declaration.
	(Sized_relobj::invalidate_section_offset,
	Sized_relobj::do_invalidate_section_offset): New method decfinitions.
	(Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
	* options.cc (parse_int): New function.
	* options.h (parse_int): New declaration.
	(DEFINE_int): New macro.
	(stub_group_size): New option.
	* output.cc (Output_section::Output_section): Initialize memebers
	merge_section_map_, merge_section_by_properties_map_,
	relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
	(Output_section::add_input_section): Handled deferred code-fill
	generation and remove an old comment.
	(Output_section::add_relaxed_input_section): New method definition.
	(Output_section::add_merge_input_section): Use merge section by
	properties map to speed to search.  Update merge section maps
	as appropriate.
	(Output_section::build_relaxation_map): New method definition.
	(Output_section::convert_input_sections_in_list_to_relaxed_sections):
	Same.
	(Output_section::relax_input_section): Renamed to
	Output_section::convert_input_sections_to_relaxed_sections and change
	interface to take a vector of pointers to relaxed sections.
	(Output_section::find_merge_section,
	Output_section::find_relaxed_input_section): New method definitions.
	(Output_section::is_input_address_mapped,
	Output_section::output_offset, Output_section::output_address):
	Use output section data maps to speed up searching.
	(Output_section::find_starting_output_address): Add comments.
	(Output_section::do_write,
	Output_section::write_to_postprocessing_buffer): Do code-fill
	generation as appropriate.
	(Output_section::get_input_sections): Invalidate relaxed input section
	map.
	(Output_section::restore_states): Adjust type of checkpoint .
	Invalidate relaxed input section map.
	* output.h (Output_merge_base): New class declaration.
	(Input_section_specifier): New class defintion.
	(class Output_relaxed_input_section) Change base class to
	Output_section_data_build.
	(Output_relaxed_input_section::Output_relaxed_input_section): Adjust
	base class initializer.
	(Output_section::add_relaxed_input_section): New method declaration.
	(Output_section::Input_section): Change visibility to protected.
     	(Output_section::Input_section::relobj,
	Output_section::Input_section::shndx): Handle relaxed input sections.
	Output_section::input_sections) Change visibility to protected.  Also
	define overload to return a non-const pointer.
	(Output_section::Merge_section_properties): New class defintion.
	(Output_section::Merge_section_by_properties_map,
	Output_section::Output_section_data_by_input_section_map,
	Output_section::Relaxation_map): New types.
	(Output_section::relax_input_section): Rename method to
	Output_section::convert_input_sections_to_relaxed_sections and change
	interface to take a vector of relaxed section pointers.
	(Output_section::find_merge_section,
	Output_section::find_relaxed_input_section,
	Output_section::build_relaxation_map,
	Output_section::convert_input_sections_in_list_to_relaxed_sections):
	New method declarations.
	(Output_section::merge_section_map_
	Output_section::merge_section_by_properties_map_,
	Output_section::relaxed_input_section_map_,
	Output_section::is_relaxed_input_section_map_valid_,
	Output_section::generate_code_fills_at_write_): New data members.
	* script-sections.cc
	(Output_section_element_input::set_section_addresses): Call
	current_data_size and addralign methods of relaxed input sections.
	(Orphan_output_section::set_section_addresses): Call current_data_size
	and addralign methods of relaxed input sections.
	* symtab.cc (Symbol_table::compute_final_value): Extract template
	from the body of Symbol_table::sized_finalize_symbol.
	(Symbol_table::sized_finalized_symbol): Call
	Symbol_table::compute_final_value.
	* symtab.h (Symbol_table::Compute_final_value_status): New enum type.
	(Symbol_table::compute_final_value): New templated method declaration.
	* target.cc (Target::do_make_output_section): New method defintion.
	* target.h (Target::make_output_section): New method declaration.
	(Target::relax): Add more parameters for input objects, symbol table
	and layout.  Adjust call to do_relax.
	(Target::do_make_output_section): New method declaration.
	(Target::do_relax): Add parameters for input objects, symbol table
	and layout.
2009-10-09 23:18:19 +00:00
Ian Lance Taylor c549a6949c elfcpp/:
* elfcpp_file.h: Fix header guard.  Include <cstdio>.
	(class Elf_recognizer): New class, code from gold/object.cc.
	(Elf_file::find_section_by_type): New method.
gold/:
	* incremental.cc: Include <cstdarg> and "target-select.h".
	(vexplain_no_incremental): New function.
	(explain_no_incremental): New function.
	(Incremental_binary::error): New method.
	(Sized_incremental_binary::do_find_incremental_inputs_section): New
	method.
	(make_sized_incremental_binary): New function.
	(open_incremental_binary): New function.
	(can_incrementally_link_file): Add checks if output is ELF and has
	inputs section.
	* incremental.h: Include "elfcpp_file.h" and "output.h".
	(Incremental_binary): New class.
	(Sized_incremental_binary): New class.
	(open_incremental_binary): Declare.
	* object.cc (is_elf_object): Use
	elfcpp::Elf_recognizer::is_elf_file.
	(make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
	* output.h (Output_file::filesize): New method.
2009-10-09 16:40:51 +00:00
Ian Lance Taylor 364c7fa5c9 * options.h (class General_options): Define
split_stack_adjust_size parameter.
	* object.h (class Object): Add uses_split_stack_ and
	has_no_split_stack_ fields.  Add uses_split_stack and
	has_no_split_stack accessor functions.  Declare
	handle_split_stack_section.
	(class Reloc_symbol_changes): Define.
	(class Sized_relobj): Define Function_offsets.  Declare
	split_stack_adjust, split_stack_adjust_reltype, and
	find_functions.
	* object.cc (Object::handle_split_stack_section): New function.
	(Sized_relobj::do_layout): Call handle_split_stack_section.
	* dynobj.cc (Sized_dynobj::do_layout): Call
	handle_split_stack_section.
	* reloc.cc (Sized_relobj::relocate_sections): Call
	split_stack_adjust for executable sections in split_stack
	objects.  Pass reloc_map to relocate_section.
	(Sized_relobj::split_stack_adjust): New function.
	(Sized_relobj::split_stack_adjust_reltype): New function.
	(Sized_relobj::find_functions): New function.
	* target-reloc.h: Include "object.h".
	(relocate_section): Add reloc_symbol_changes parameter.  Change
	all callers.
	* target.h (class Target): Add calls_non_split method.  Declare
	do_calls_non_split virtual method.  Declare match_view and
	set_view_to_nop.
	* target.cc: Include "elfcpp.h".
	(Target::do_calls_non_split): New function.
	(Target::match_view): New function.
	(Target::set_view_to_nop): New function.
	* gold.cc (queue_middle_tasks): Give an error if mixing
	split-stack and non-split-stack objects with -r.
	* i386.cc (Target_i386::relocate_section): Add
	reloc_symbol_changes parameter.
	(Target_i386::do_calls_non_split): New function.
	* x86_64.cc (Target_x86_64::relocate_section): Add
	reloc_symbol_changes parameter.
	(Target_x86_64::do_calls_non_split): New function.
	* arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
	parameter.
	* powerpc.cc (Target_powerpc::relocate_section): Add
	reloc_symbol_changes parameter.
	* sparc.cc (Target_sparc::relocate_section): Add
	reloc_symbol_changes parameter.
	* configure.ac: Call AM_CONDITIONAL for the default target.
	* configure: Rebuild.
	* testsuite/Makefile.am (TEST_AS): New variable.
	(check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
	(check_DATA): Add split_i386 and split_x86_64 files.
	(SPLIT_DEFSYMS): Define.
	(split_i386_[1234n].o): New targets.
	(split_i386_[124]): New targets.
	(split_i386_[1234r].stdout): New targets.
	(split_x86_64_[1234n].o): New targets.
	(split_x86_64_[124]): New targets.
	(split_x86_64_[1234r].stdout): New targets.
	(MOSTLYCLEANFILES): Add new executables.
	* testsuite/split_i386.sh: New file.
	* testsuite/split_x86_64.sh: New file.
	* testsuite/split_i386_1.s: New file.
	* testsuite/split_i386_2.s: New file.
	* testsuite/split_i386_3.s: New file.
	* testsuite/split_i386_4.s: New file.
	* testsuite/split_i386_n.s: New file.
	* testsuite/split_x86_64_1.s: New file.
	* testsuite/split_x86_64_2.s: New file.
	* testsuite/split_x86_64_3.s: New file.
	* testsuite/split_x86_64_4.s: New file.
	* testsuite/split_x86_64_n.s: New file.
	* testsuite/testfile.cc (Target_test): Update relocation_section
	function.
	* testsuite/Makefile.in: Rebuild.
2009-10-06 22:58:27 +00:00
Ian Lance Taylor 029ba97335 * object.h (class Object): Remove target_ field, and target,
sized_target, and set_target methods.
	(Object::sized_target): Remove.
	(class Sized_relobj): Update declarations.  Remove sized_target.
	* object.cc (Sized_relobj::setup): Remove target parameter.
	Change all callers.
	(Input_objects::add_object): Don't do anything with the target.
	(make_elf_sized_object): Add punconfigured parameter.  Change all
	callers.  Set or test parameter target.
	* dynobj.cc (Sized_dynobj::target): Remove target parameter.
	Change all callers.
	* parameters.cc (Parameters::set_target): Change parameter type to
	be non-const.
	(Parameters::default_target): Remove.
	(set_parameters_target): Change parameter type to be non-const.
	(parameters_force_valid_target): New function.
	(parameters_clear_target): New function.
	* parameters.h (class Parameters): Update declarations.  Remove
	default_target method.  Add sized_target and clear_target
	methods.  Change target_ to be non-const.
	(set_parameters_target): Update declaration.
	(parameters_force_valid_target): Declare.
	(parameters_clear_target): Declare.
	* readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
	as NULL if we aren't searching.
	(Add_symbols::run): Don't check for compatible target.
	* fileread.cc (Input_file::open_binary): Call
	parameters_force_valid_target.
	* gold.cc (queue_middle_tasks): Likewise.
	* plugin.cc (make_sized_plugin_object): Likewise.  Don't call
	set_target on object.
	* dynobj.h (class Sized_dynobj): Update declarations.
	* archive.cc (Archive::get_elf_object_for_member): Return NULL if
	make_elf_object returns NULL.
	(Archive::include_member): Don't check whether object target is
	compatible.
	* output.cc (Output_section::add_input_section): Get target from
	parameters.
	(Output_section::relax_input_section): Likewise.
	* reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
	parameters.
	(Sized_relobj::do_scan_relocs): Likewise.
	(Sized_relobj::relocate_sections): Likewise.
	* resolve.cc (Symbol_table::resolve): Likewise.
	* symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
	parameter.  Change all callers.
	(Symbol_table::add_from_object): Get target from parameters.
	(Symbol_table::add_from_relobj): Don't check object target.
	(Symbol_table::add_from_dynobj): Likewise.
	(Symbol_table::define_special_symbol): Get target from
	parameters.
	* symtab.h (class Symbol_table): Update declaration.
	* testsuite/binary_unittest.cc (gold_testsuite): Remove target
	parameter.  Change all callers.  Clear parameter target.
	(Binary_test): Test target here.
	* testsuite/object_unittest.cc (gold_testsuite): Remove
	target_test_pointer parameter.  Change all callers.
	(Object_test): Test target here.
2009-09-30 22:21:13 +00:00
Craig Silverstein 8c60465154 * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
* options.cc: Include <cerrno> and <fstream>.
	(General_options::finalize): Parse -retain-symbols-file tag.
	* options.h: New flag.
	(General_options): New method should_retain_symbol, new
	variable symbols_to_retain.
	* symtab.cc (Symbol_table::sized_finalize_symbol): Test
	should_retain_symbol map.
	* testsuite/Makefile.am (retain_symbols_file_test): New test.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/retain_symbols_file_test.sh: New file.
2009-09-18 20:03:22 +00:00
Doug Kwan f733487b04 2009-08-18 Doug Kwan <dougkwan@google.com>
* dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
	an elcpp::Ehdr as parameter.  Adjust call to set_target.
	* dynobj.h (Sized_dynobj::setup): Take a Target object instead of
	an elfcpp::Ehdr as parameter.
	* object.cc (Object::set_target): Remove the version that looks up
	a target and sets it.
	(Sized_relobj::setup): Take a Target object instead of
	an elfcpp::Ehdr as parameter.  Adjust call to set_target.
	(make_elf_sized_object): Find target and ask target to
	make an ELF object.
	* object.h: (Object::set_target): Remove the version that looks up
	a target and sets it.
	(Sized_relobj::setup): Take a Target object instead of
	an elfcpp:Ehdr as parameter.
	* target.cc: Include dynobj.h.
	(Target::do_make_elf_object_implementation): New.
 	(Target::do_make_elf_object): New.
	* target.h (Target::make_elf_object): New template declaration.
	(Target::do_make_elf_object): New method declarations.
	(Target::do_make_elf_object_implementation): New template declaration.
2009-08-18 23:49:29 +00:00
Sriraman Tallam ef15dade89 *** empty log message *** 2009-08-05 20:51:56 +00:00
Ian Lance Taylor 1ef4d87fe8 PR 10400
* layout.h: #include <map>.
	(class Kept_section): Change from struct to class.  Add accessors
	and setters.  Add section size to Comdat_group mapping.  Change
	Comdat_group to std::map.  Add is_comdat_ field.  Add
	linkonce_size field in union.
	(class Layout): Update declaration of find_or_add_kept_section.
	Don't declare find_kept_object.
	* layout.cc (Layout::find_or_add_kept_section): Remove candidate
	parameter.  Add object, shndx, is_comdat, and is_group_name
	parameters.  Change all callers.  Adjust for new Kept_section.
	(Layout::find_kept_object): Remove.
	* object.cc (Sized_relobj::include_section_group): Update use of
	Kept_section.  Rename secnum to shndx.  Only record
	Kept_comdat_section if sections are the same size.
	(Sized_relobj::include_linkonce_section): Update use of
	Kept_section.  Only record Kept_comdat_section if sections are the
	same size.  Set size of linkonce section.
	(Sized_relobj::map_to_kept_section): Update call to
	get_kept_comdat_section.
	* object.h (class Sized_relobj): Rename fields in
	Kept_comdat_section to drop trailing underscores; change object
	field to Relobj*.  Change Kept_comdat_section_table to store
	struct rather than pointer.
	(Sized_relobj::set_kept_comdat_section): Remove kept parameter.
	Add kept_object and kept_shndx parameters.  Change all callers.
	(Sized_relobj::get_kept_comdat_section): Change return type to
	bool.  Add kept_object and kept_shndx parameters.  Change all
	callers.
	* plugin.cc (Pluginobj::include_comdat_group): Update call to
	Layout::find_or_add_kept_section.
2009-07-17 01:07:33 +00:00
Ian Lance Taylor 8d63875c54 PR 10147
* object.cc (Object::section_contents): Don't try to get a view if
	the section has length zero.
	(Object::handle_gnu_warning_section): If the section is empty, use
	the name of the section as the warning.
2009-06-23 07:19:35 +00:00
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
Doug Kwan bb04269c74 2009-06-05 Doug Kwan <dougkwan@google.com>
* Makefile.am (CCFILES): Add target.cc.
	* Makefile.in: Regenerate.
	* i386.cc (class Target_i386): Define new virtual method to
	override do_is_local_label_name in parent.
	* object.cc (Sized_relobj::do_count_local_symbols): Discard
	local symbols if --discard-locals or -X is given.
	* options.h (class General_options): Declare new options
	'--discard-locals' and '-X' for discarding locals.
	* target.h (class Target): Define new methods is_local_label_name.
	Declare new virtual method do_is_local_label_name.
	* target.cc: New file.
	* testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
	(check_SCRIPTS): Add discard_locals_test.sh.
	(check_DATA): Add discard_local_tests.syms.
	(discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
	(discard_local_tests.syms, discard_locals_test.o): New make rules.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/discard_locals_test.c: New file.
	* testsuite/discard_locals_test.sh: Same.
2009-06-05 21:32:57 +00:00
Doug Kwan 805bb01c4b 2009-06-05 Doug Kwan <dougkwan@google.com>
* object.cc (Sized_relobj::Sized_relobj): Initialize
	discarded_eh_frame_shndx_ to -1U.
	(Sized_relobj::do_layout): Record index of a discard .eh_frame
	section.
	(Sized_relobj::do_count_local_symbols): Skip local symbols in
	a discarded .eh_frame section.
	(Sized_relobj::do_finalize_local_symbols): Ditto.
	* object.h (class Sized_relobj): Declare new member
	discarded_eh_frame_shndx_.
	* testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
	(local_labels_test.o, local_labels_test): New rules.
	* testsuite/Makefile.in: Regenerate.
2009-06-05 18:16:31 +00:00
Sriraman Tallam 531813adfc * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
kept comdat section was garbage collected.
	* testsuite/Makefile.am: Add test gc_comdat_test.sh.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/gc_comdat_test.sh: New file.
	* testsuite/gc_comdat_test_1.cc: New file.
	* testsuite/gc_comdat_test_2.cc: New file.
2009-05-22 18:31:22 +00:00
Ian Lance Taylor f6060a4d43 * object.cc (is_elf_object): Define.
* object.h (is_elf_object): Declare.
	* archive.cc (Archive::get_elf_object_for_member): Call
	is_elf_object.
	* readsymc.cc (Read_symbols::do_read_symbols): Likewise.
2009-03-24 18:42:10 +00:00
Ian Lance Taylor 15f8229bbf * readsyms.cc (Read_symbols::incompatible_warning): New function.
(Read_symbols::requeue): New function.
	(Read_symbols::do_read_symbols): If make_elf_object fails because
	the target type is not configured, and the file was searched for,
	issue a warning and retry with the next directory.
	(Add_symbols::run): If the file has an incompatible format, and
	it was searched for, requeue the Read_symbols task.  On error,
	release the object.
	* readsyms.h (class Read_symbols): Add dirindex_ field.  Add
	dirindex parameter to constructor.  Change all callers.  Declare
	incompatible_warning and requeue.
	(class Add_symbols): Add dirpath_, dirindex_, mapfile_,
	input_argument_ and input_group_ fields.  Add them to
	constructor.  Change all callers.
	(class Read_script): Add dirindex_ field.  Add it to constructor.
	Change all callers.
	* archive.cc (Archive::setup): Remove input_objects parameter.
	Change all callers.
	(Archive::get_file_and_offset): Likewise.
	(Archive::read_all_symbols): Likewise.
	(Archive::read_symbols): Likewise.
	(Archive::get_elf_object_for_member): Remove input_objects
	parameter.  Add punconfigured parameter.  Change all callers.
	(Archive::add_symbols): Change return type to bool.  Check return
	value of include_member.
	(Archive::include_all_members): Likewise.
	(Archive::include_member): Change return type to bool.  Return
	false if first included object has incompatible target.  Set
	included_member_ field.
	(Add_archive_symbols::run): If add_symbols returns false, requeue
	Read_symbols task.
	* archive.h (class Archive): Add included_member_ field.
	Initialize it in constructor.  Add input_file and searched_for
	methods.  Update declarations.
	(class Add_archive_symbols): Add dirpath_, dirindex_, and
	input_argument_ fields.  Add them to constructor.  Change all
	callers.
	* script.cc: Include "target-select.h".
	(class Parser_closure): Add skip_on_incompatible_target_ and
	found_incompatible_target_ fields.  Add
	skip_on_incompatible_target parameter to constructor.  Change all
	callers.  Add methods skip_on_incompatible_target,
	clear_skip_on_incompatible_target, found_incompatible_target, and
	set_found_incompatible_target.
	(read_input_script): Add dirindex parameter.  Change all callers.
	If parser finds an incompatible target, requeue Read_symbols
	task.
	(script_set_symbol): Clear skip_on_incompatible_target in
	closure.
	(script_add_assertion, script_parse_option): Likewise.
	(script_start_sections, script_add_phdr): Likewise.
	(script_check_output_format): New function.
	* script.h (read_input_script): Update declaration.
	* script-c.h (script_check_output_format): Declare.
	* yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
	(ignore_cmd): Remove OUTPUT_FORMAT.
	* fileread.cc (Input_file::Input_file): Add explicit this.
	(Input_file::will_search_for): New function.
	(Input_file::open): Add pindex parameter.  Change all callers.
	* fileread.h (class Input_file): Add input_file_argument method.
	Declare will_search_for.  Update declarations.
	* object.cc (make_elf_object): Add punconfigured parameter.
	Change all callers.
	* object.h (class Object): Make input_file public.  Add
	searched_for method.
	(make_elf_object): Update declaration.
	* dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
	restart search.
	* dirsearch.h (class Dirsearch): Update declaration.
	* options.h (class General_options): Add --warn-search-mismatch.
	* parameters.cc (Parameters::is_compatible_target): New function.
	* parameters.h (class Parameters): Declare is_compatible_target.
	* workqueue.cc (Workqueue::add_blocker): New function.
	* workqueue.h (class Workqueue): Declare add_blocker.
2009-03-14 05:56:46 +00:00
Ian Lance Taylor 8a4c0b0d7e * layout.cc (Layout::find_or_add_kept_section): New function.
(Layout::add_comdat): Removed.
	* layout.h (struct Kept_section): Move out of class Layout.
	Remove trailing underscores from field names.  Add group_sections
	field.  Rename group_ field to is_group.  Change all uses.
	(class Layout): Declare find_or_add_kept_section, not add_comdat.
	* object.cc (Sized_relobj::Sized_relobj): Don't initialize
	comdat_groups_ field.
	(Sized_relobj::include_section_group): Use
	find_or_add_kept_section and Kept_section::group_sections.
	(Sized_relobj::include_linkonce_section): Likewise.
	* object.cc (class Sized_relobj): Don't define Comdat_group or
	Comdat_group_table.  Remove find_comdat_group and
	add_comdat_group.  Remove comdat_groups_ field.
	* plugin.cc (include_comdat_group): Use
	Layout::find_or_add_kept_section.
2009-03-01 22:22:02 +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 e29e076ab8 PR 7091
* output.cc (Output_section::find_starting_output_address): Rename
	from starting_output_address; add PADDR parameter; change return
	type.
	* output.h (class Output_section): Declare
	find_starting_output_address instead of starting_output_address.
	* object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
	section symbol for which we can't find a merge section.
2009-02-28 00:12:26 +00:00
Cary Coutant f488e4b0e9 (From Rafael Espindola)
* archive.cc (Archive::include_member): Update calls to add_symbols.
	* dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
	the Layout argument.
	* dynobj.h (do_add_symbols): Add the Layout argument.
	* object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
	Layout argument.
	* object.h (Object::add_symbols): Add the Layout argument.
	(Object::do_add_symbols): Add the Layout argument.
	(Sized_relobj::do_add_symbols): Add the Layout argument.
	* plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
	Unify the two versions.
	(Add_plugin_symbols): Remove.
	* plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
	(Sized_pluginobj::do_add_symbols): Unify the two versions.
	(Add_plugin_symbols): Remove.
	* readsyms.cc (Read_symbols::do_read_symbols): Update call to
	Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
	(Add_symbols::run): Make it work with Pulginobj.
2009-02-13 19:04:45 +00:00
Ian Lance Taylor 89dd16802f * object.cc (Sized_relobj::do_layout): Make info message start
with lower case letter.
2009-02-07 01:05:15 +00:00
Ian Lance Taylor e0ebcf42c2 * 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.
2009-01-28 20:09:18 +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
Ian Lance Taylor 99e9a495d5 * object.cc (Sized_relobj::write_local_symbols): Don't write out
local symbols when stripping all symbols.
2009-01-15 18:10:54 +00:00
Cary Coutant 5995b57073 * 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.
2008-12-23 02:02:20 +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
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
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
Cary Coutant 3f2e6a2da5 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.
2008-06-25 17:10:08 +00:00
Ian Lance Taylor 8825ac63ef * 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.
2008-05-05 19:16:43 +00:00
Cary Coutant e94cf12773 * 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.
2008-05-01 01:23:21 +00:00
Ian Lance Taylor 5543870269 * object.cc (Sized_relobj::include_section_group): Check for
invalid section group.
2008-04-23 17:40:19 +00:00
Ian Lance Taylor c165fb930a * object.cc (make_elf_object): Correct test for 64-bit ELF file
header size.
2008-04-23 17:32:53 +00:00
Ian Lance Taylor 7fcd3aa988 * object.cc (Sized_relobj::do_add_symbols): Always pass
local_symbol_count_ to add_from_relobj.
2008-04-19 19:34:41 +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 2c38906f72 * 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.
2008-04-09 00:26:48 +00:00
Ian Lance Taylor 39d0cb0e83 * 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.
2008-04-02 20:58:21 +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
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 d1f003c610 Fix handling of RELA relative relocs against local symbols in merge
sections.
2008-03-16 23:51:19 +00:00