Commit Graph

181 Commits

Author SHA1 Message Date
Rafael Ávila de Espíndola 0f72bf6f74 2010-09-09 Rafael Espindola <espindola@google.com>
* layout.cc (Layout::attach_allocated_section_to_segment): Don't put
	sections with different PF_X flags in the same segment.
	(Layout::find_first_load_seg): Search all segments to find the first
	one.
	* options.h (rosegment): New.
2010-09-09 15:29:01 +00:00
Rafael Ávila de Espíndola a657747874 2010-09-03 Rafael Espindola <espindola@google.com>
* layout.cc (Layout::set_segment_offsets): Always advance to a new page.
2010-09-09 00:13:08 +00:00
Nick Clifton 7f8cd84403 * README: Remove claim that MEMORY is not supported.
* expression.cc (script_exp_function_origin)
        (script_exp_function_length): Move from here to ...
        * script.cc: ... here.
        (script_set_section_region, script_add_memory)
        (script_parse_memory_attr, script_include_directive): New
        functions.
        * script-sections.cc
        (class Memory_region): New class.
        (class Output_section_definition): Add set_memory_region,
        set_section_vma, set_section_lma and get_section_name methods.
        (class Script_Sections): Add add_memory_region,
        find_memory_region, find_memory_region_origin,
        find_memory_region_length and set_memory_region methods.
        Have set_section_addresses method walk the list of set memory
        regions.
        Extend the print methos to display memory regions.
        * script-sections.h: Add prototypes for new methods.
        Add enum for MEMORY region attributes.
        * yyscript.y: Add support for parsing MEMORY regions.
        * script-c.h: Add prototypes for new functions.
        * testsuite/Makefile.am: Add test of MEMORY region functionality.
        * testsuite/Makefile.in: Regenerate.
        * testsuite/memory_test.sh: New script.
        * testsuite/memory_test.s: New assembler source file.
        * testsuite/memory_test.t: New linker script.
2010-09-08 16:10:33 +00:00
Nick Clifton ca09d69af1 * archive.cc: Formatting fixes: Remove whitespace between
typename and following asterisk.  Remove whitespace between
        function name and opening parenthesis.
        * archive.h: Likewise.
        * arm.cc: Likewise.
        * attributes.cc: Likewise.
        * attributes.h: Likewise.
        * common.cc: Likewise.
        * copy-relocs.cc: Likewise.
        * dirsearch.h: Likewise.
        * dynobj.cc: Likewise.
        * ehframe.cc: Likewise.
        * ehframe.h: Likewise.
        * expression.cc: Likewise.
        * fileread.cc: Likewise.
        * fileread.h: Likewise.
        * gc.h: Likewise.
        * gold-threads.cc: Likewise.
        * gold.cc: Likewise.
        * i386.cc: Likewise.
        * icf.h: Likewise.
        * incremental-dump.cc: Likewise.
        * incremental.cc: Likewise.
        * layout.cc: Likewise.
        * layout.h: Likewise.
        * main.cc: Likewise.
        * merge.cc: Likewise.
        * merge.h: Likewise.
        * object.cc: Likewise.
        * object.h: Likewise.
        * options.cc: Likewise.
        * options.h: Likewise.
        * output.cc: Likewise.
        * output.h: Likewise.
        * plugin.cc: Likewise.
        * plugin.h: Likewise.
        * powerpc.cc: Likewise.
        * reloc.cc: Likewise.
        * script-c.h: Likewise.
        * script-sections.cc: Likewise.
        * script.cc: Likewise.
        * stringpool.cc: Likewise.
        * symtab.cc: Likewise.
        * symtab.h: Likewise.
        * target.cc: Likewise.
        * timer.cc: Likewise.
        * timer.h: Likewise.
        * version.cc: Likewise.
        * x86_64.cc: Likewise.
2010-08-25 08:36:54 +00:00
Nick Clifton b8fa875047 PR 11899
* layout.cc (segment_precedes): Sort segments by their physical
        addresses, if they have been set.
2010-08-24 07:24:10 +00:00
Cary Coutant 0e70b9111a elfcpp/ChangeLog:
* elfcpp.h (enum SHT): Add SHT_GNU_INCREMENTAL_GOT_PLT.

gold/ChangeLog:

	* arm.cc (Target_arm::got_size): Add const.
	(Target_arm::got_entry_count): New function.
	(Target_arm::plt_entry_count): New function.
	(Target_arm::first_plt_entry_offset): New function.
	(Target_arm::plt_entry_size): New function.
	(Output_data_plt_arm::entry_count): New function.
	(Output_data_plt_arm::first_plt_entry_offset): New function.
	(Output_data_plt_arm::get_plt_entry_size): New function.
	* i386.cc (Target_i386::got_size): Add const.
	(Target_i386::got_entry_count): New function.
	(Target_i386::plt_entry_count): New function.
	(Target_i386::first_plt_entry_offset): New function.
	(Target_i386::plt_entry_size): New function.
	(Output_data_plt_i386::entry_count): New function.
	(Output_data_plt_i386::first_plt_entry_offset): New function.
	(Output_data_plt_i386::get_plt_entry_size): New function.
	* incremental-dump.cc (dump_incremental_inputs): Adjust call to
	find_incremental_inputs_sections.  Dump incremental_got_plt section.
	* incremental.cc: Include target.h.
	(Sized_incremental_binary::do_find_incremental_inputs_sections): Add
	parameter.  Adjust all callers.  Find incremental_got_plt section.
	(Incremental_inputs::create_data_sections): Create incremental_got_plt
	section.
	(Output_section_incremental_inputs::set_final_data_size): Calculate
	size of incremental_got_plt section.
	(Output_section_incremental_inputs::do_write): Write the
	incremental_got_plt section.
	(Got_plt_view_info): New struct.
	(Local_got_offset_visitor): New class.
	(Global_got_offset_visitor): New class.
	(Global_symbol_visitor_got_plt): New class.
	(Output_section_incremental_inputs::write_got_plt): New function.
	* incremental.h (Incremental_binary::find_incremental_inputs_sections):
	Add parameter.  Adjust all callers.
	(Incremental_binary::do_find_incremental_inputs_sections): Likewise.
	(Incremental_inputs::got_plt_section): New function.
	(Incremental_inputs::got_plt_section_): New data member.
	(Incremental_got_plt_reader): New class.
	* layout.cc (Layout::create_incremental_info_sections): Add the
	incremental_got_plt section.
	* object.h (Got_offset_list::get_list): New function.
	(Got offset_list::for_all_got_offsets): New function.
	(Sized_relobj::local_got_offset_list): New function.
	* powerpc.cc (Target_powerpc::got_size): Add const.
	(Target_powerpc::got_entry_count): New function.
	(Target_powerpc::plt_entry_count): New function.
	(Target_powerpc::first_plt_entry_offset): New function.
	(Target_powerpc::plt_entry_size): New function.
	(Output_data_plt_powerpc::entry_count): New function.
	(Output_data_plt_powerpc::first_plt_entry_offset): New function.
	(Output_data_plt_powerpc::get_plt_entry_size): New function.
	* sparc.cc (Target_sparc::got_size): Add const.
	(Target_sparc::got_entry_count): New function.
	(Target_sparc::plt_entry_count): New function.
	(Target_sparc::first_plt_entry_offset): New function.
	(Target_sparc::plt_entry_size): New function.
	(Output_data_plt_sparc::entry_count): New function.
	(Output_data_plt_sparc::first_plt_entry_offset): New function.
	(Output_data_plt_sparc::get_plt_entry_size): New function.
	* symtab.h (Symbol::got_offset_list): New function.
	(Symbol_table::for_all_symbols): New function.
	* target.h (Sized_target::got_entry_count): New function.
	(Sized_target::plt_entry_count): New function.
	(Sized_target::plt_entry_size): New function.
	* x86_64.cc (Target_x86_64::got_size): Add const.
	(Target_x86_64::got_entry_count): New function.
	(Target_x86_64::plt_entry_count): New function.
	(Target_x86_64::first_plt_entry_offset): New function.
	(Target_x86_64::plt_entry_size): New function.
	(Output_data_plt_x86_64::entry_count): New function.
	(Output_data_plt_x86_64::first_plt_entry_offset): New function.
	(Output_data_plt_x86_64::get_plt_entry_size): New function.
2010-08-12 22:15:00 +00:00
Cary Coutant 09ec0418c0 elfcpp/ChangeLog:
* elfcpp.h (enum SHT): Add SHT_GNU_INCREMENTAL_SYMTAB,
	SHT_GNU_INCREMENTAL_RELOCS.

gold/ChangeLog:

	* archive.cc: Include incremental.h.
	(Archive::Archive): Initialize incremental_info_.
	(Archive::include_member): Record archive members in incremental info.
	(Add_archive_symbols::run): Record begin and end of an archive in
	incremental info.
	(Lib_group::include_member): Record objects in incremental info.
	* archive.h (Incremental_archive_entry): Forward declaration.
	(Archive::set_incremental_info): New member function.
	(Archive::incremental_info): New member function.
	(Archive::Unused_symbol_iterator): New class.
	(Archive::unused_symbols_begin): New member function.
	(Archive::unused_symbols_end): New member function.
	(Archive::incremental_info_): New data member.
	* incremental-dump.cc (find_input_containing_global): New function.
	(dump_incremental_inputs): Dump new incremental info sections.
	* incremental.cc: Include symtab.h.
	(Output_section_incremental_inputs): New class.
	(Sized_incremental_binary::do_find_incremental_inputs_sections): Support
	new incremental info sections.
	(Sized_incremental_binary::do_check_inputs): Likewise.
	(Incremental_inputs::report_archive): Remove.
	(Incremental_inputs::report_archive_begin): New function.
	(Incremental_inputs::report_archive_end): New function.
	(Incremental_inputs::report_object): New function.
	(Incremental_inputs::finalize_inputs): Remove.
	(Incremental_inputs::report_input_section): New function.
	(Incremental_inputs::report_script): Rewrite.
	(Incremental_inputs::finalize): Do nothing but finalize string table.
	(Incremental_inputs::create_incremental_inputs_section_data): Remove.
	(Incremental_inputs::sized_create_inputs_section_data): Remove.
	(Incremental_inputs::create_data_sections): New function.
	(Incremental_inputs::relocs_entsize): New function.
	(Output_section_incremental_inputs::set_final_data_size): New function.
	(Output_section_incremental_inputs::do_write): New function.
	(Output_section_incremental_inputs::write_header): New function.
	(Output_section_incremental_inputs::write_input_files): New function.
	(Output_section_incremental_inputs::write_info_blocks): New function.
	(Output_section_incremental_inputs::write_symtab): New function.
	* incremental.h (Incremental_script_entry): Forward declaration.
	(Incremental_object_entry): Forward declaration.
	(Incremental_archive_entry): Forward declaration.
	(Incremental_inputs): Forward declaration.
	(Incremental_inputs_header_data): Remove.
	(Incremental_inputs_header): Remove.
	(Incremental_inputs_header_write): Remove.
	(Incremental_inputs_entry_data): Remove.
	(Incremental_inputs_entry): Remove.
	(Incremental_inputs_entry_write): Remove.
	(enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
	(Incremental_binary::find_incremental_inputs_sections): Add parameters.
	(Incremental_binary::do_find_incremental_inputs_sections): Likewise.
	(Sized_ncremental_binary::do_find_incremental_inputs_sections):
	Likewise.
	(Incremental_input_entry): New class.
	(Incremental_script_entry): New class.
	(Incremental_object_entry): New class.
	(Incremental_archive_entry): New class.
	(Incremental_inputs::Incremental_inputs): Initialize new data members.
	(Incremental_inputs::report_inputs): Remove.
	(Incremental_inputs::report_archive): Remove.
	(Incremental_inputs::report_archive_begin): New function.
	(Incremental_inputs::report_archive_end): New function.
	(Incremental_inputs::report_object): Change prototype.
	(Incremental_inputs::report_input_section): New function.
	(Incremental_inputs::report_script): Change prototype.
	(Incremental_inputs::get_reloc_count): New function.
	(Incremental_inputs::set_reloc_count): New function.
	(Incremental_inputs::create_data_sections): New function.
	(Incremental_inputs::create_incremental_inputs_section_data): Remove.
	(Incremental_inputs::inputs_section): New function.
	(Incremental_inputs::symtab_section): New function.
	(Incremental_inputs::relocs_section): New function.
	(Incremental_inputs::get_stringpool): Add const.
	(Incremental_inputs::command_line): Add const.
	(Incremental_inputs::inputs): Remove.
	(Incremental_inputs::command_line_key): New function.
	(Incremental_inputs::input_file_count): New function.
	(Incremental_inputs::input_files): New function.
	(Incremental_inputs::relocs_entsize): New function.
	(Incremental_inputs::sized_create_inputs_section_data): Remove.
	(Incremental_inputs::finalize_inputs): Remove.
	(Incremental_inputs::Input_info): Remove.
	(Incremental_inputs::lock_): Remove.
	(Incremental_inputs::inputs_): Change type.
	(Incremental_inputs::inputs_map_): Remove.
	(Incremental_inputs::current_object_entry_): New data member.
	(Incremental_inputs::inputs_section_): New data member.
	(Incremental_inputs::symtab_section_): New data member.
	(Incremental_inputs::relocs_section_): New data member.
	(Incremental_inputs::reloc_count_): New data member.
	(Incremental_inputs_reader): New class.
	(Incremental_symtab_reader): New class.
	(Incremental_relocs_reader): New class.
	* layout.cc (Layout::finalize): Move finalization of incremental info
	and creation of incremental info sections to follow finalization of
	symbol table.  Set offsets for postprocessing sections.
	(Layout::create_incremental_info_sections): Call
	Incremental_inputs::create_data_sections.  Add incremental symtab
	and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
	sections to layout after input sections.
	* layout.h (struct Timespec): Forward declaration.
	(Layout::incremental_inputs): Add const.
	(Layout::create_incremental_info_sections): Add parameter.
	* main.cc (main): Remove call to Incremental_inputs::report_inputs.
	* object.cc: Include incremental.h.
	(Relobj::finalize_incremental_relocs): New function.
	(Sized_relobj::do_layout): Record input sections in incremental info.
	* object.h (Object::output_section): New function.
	(Object::output_section_offset): Moved from Relobj.
	(Object::get_incremental_reloc_base): New function.
	(Object::get_incremental_reloc_count): New function.
	(Object::do_output_section): New function.
	(Object::do_output_section_offset): Moved from Relobj.
	(Object::do_get_incremental_reloc_base): New function.
	(Object::do_get_incremental_reloc_count): New function.
	(Object::Object): Initialize new data members.
	(Relobj::output_section): Renamed do_output_section and moved to
	protected.
	(Relobj::output_section_offset): Moved to Object.
	(Relobj::do_get_incremental_reloc_base): New function.
	(Relobj::do_get_incremental_reloc_count): New function.
	(Relobj::allocate_incremental_reloc_counts): New function.
	(Relobj::count_incremental_reloc): New function.
	(Relobj::finalize_incremental_relocs): New function.
	(Relobj::next_incremental_reloc_index): New function.
	(Relobj::reloc_counts_): New data member.
	(Relobj::reloc_bases_): New data member.
	(Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
	(Sized_relobj::relocate_sections): Add parameter.  Change all callers.
	(Sized_relobj::incremental_relocs_scan): New function.
	(Sized_relobj::incremental_relocs_scan_reltype): New function.
	(Sized_relobj::incremental_relocs_write): New function.
	(Sized_relobj::incremental_relocs_write_reltype): New function.
	* plugin.cc (Plugin_manager::add_input_file): Rewrite test for
	incremental link.
	* readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
	archives and object files elsewhere.
	(Add_symbols::run): Report object files here.
	(Finish_group::run): Report end of archive at end of group.
	* reloc.cc: Include layout.h, incremental.h.
	(Sized_relobj::do_read_relocs): Need relocations for incremental link.
	(Sized_relobj::do_scan_relocs): Record relocations for incremental link.
	(Sized_relobj::incremental_relocs_scan): New function.
	(Sized_relobj::incremental_relocs_scan_reltype): New function.
	(Sized_relobj::do_relocate_sections): Write incremental relocations.
	(Sized_relobj::incremental_relocs_write): New function.
	(Sized_relobj::incremental_relocs_write_reltype): New function.
	* script.cc (read_input_script): Rewrite test for incremental link.
	Change call to Incremental_inputs::report_script.
	* symtab.h (Symbol_table::first_global_index): New function.
	(Symbol_table::output_count): New function.
2010-08-12 22:01:11 +00:00
Ian Lance Taylor 1e3811b0c6 PR 11712
* layout.cc (relaxation_loop_body): If address of load segment is
	set, adjust address to include headers if possible.
2010-08-03 15:05:05 +00:00
Ian Lance Taylor 22f0da72ea 2010-08-03 Ian Lance Taylor <iant@google.com>
PR 11805
	* layout.h (enum Output_section_order): Define.
	(class Layout): Update declarations.
	* layout.cc (Layout::get_output_section): Add order parameter.
	Remove is_interp, is_dynamic_linker_section, is_last_relro, and
	is_first_non_relro parameters.  Change all callers.
	(Layout::choose_output_section): Likewise.
	(Layout::add_output_section_data): Likewise.
	(Layout::make_output_section): Likewise.  Set order.
	(Layout::default_section_order): New function.
	(Layout::layout_eh_frame): Call add_output_section_to_nonload.
	* output.cc (Output_section::Output_section): Initialize order_.
	Don't initialize deleted fields.
	(Output_segment::Output_segment): Don't initialize deleted
	fields.
	(Output_segment::add_output_section_to_load): New function
	replacing add_output_section.  Change all callers to call this or
	add_output_section_to_nonload.
	(Output_segment::add_output_section_to_nonload): New function.
	(Output_segment::remove_output_section): Rewrite.
	(Output_segment::add_initial_output_data): Likewise.
	(Output_segment::has_any_data_sections): Likewise.
	(Output_segment::is_first_section_relro): Likewise.
	(Output_segment::maximum_alignment): Likewise.
	(Output_segment::has_dynamic_reloc): New function replacing
	dynamic_reloc_count.  Change all callers.
	(Output_segment::has_dynamic_reloc_list): New function replacing
	dynamic_reloc_count_list.  Change all callers.
	(Output_segment::set_section_addresses): Rewrite.
	(Output_segment::set_offset): Rewrite.
	(Output_segment::find_first_and_last_list): Remove.
	(Output_segment::set_tls_offsets): Rewrite.
	(Output_segment::first_section_load_address): Likewise.
	(Output_segment::output_section_count): Likewise.
	(Output_segment::section_with_lowest_load_address): Likewise.
	(Output_segment::write_section_headers): Likewise.
	(Output_segment::print_sections_to_map): Likewise.
	* output.h (class Output_data): Remove dynamic_reloc_count_
	field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
	(Output_data::add_dynamic_reloc): Rewrite.
	(Output_data::has_dynamic_reloc): New function.
	(Output_data::dynamic_reloc_count): Remove.
	(class Output_section): Add order_ field.  Remvoe is_relro_local_,
	is_last_relro_, is_first_non_relro_, is_interp_,
	is_dynamic_linker_section_ fields.  Add order and set_order
	functions.  Remove is_relro_local, set_is_relro_local,
	is_last_relro, set_is_last_relro, is_first_non_relro,
	set_is_first_non_relro functions, is_interp, set_is_interp,
	is_dynamic_linker_section, and set_is_dynamic_linker_section
	functions.
	(class Output_segment): Change Output_data_list from std::list to
	std:;vector.  Add output_lists_ field.  Remove output_data_ and
	output_bss_ fields.  Update declarations.
2010-08-03 14:07:13 +00:00
Cary Coutant a2e4736229 * compressed_output.cc (zlib_decompress): New function.
(get_uncompressed_size): New function.
	(decompress_input_section): New function.
	* compressed_output.h (get_uncompressed_size): New function.
	(decompress_input_section): New function.
	* dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
	Handle compressed debug sections.
	* layout.cc (is_compressed_debug_section): New function.
	(Layout::output_section_name): Map compressed section names to
	canonical names.
	* layout.h (is_compressed_debug_section): New function.
	(is_debug_info_section): Recognize compressed debug sections.
	* merge.cc: Include compressed_output.h.
	(Output_merge_data::do_add_input_section): Handle compressed
	debug sections.
	(Output_merge_string::do_add_input_section): Handle compressed
	debug sections.
	* object.cc: Include compressed_output.h.
	(Sized_relobj::Sized_relobj): Initialize new data members.
	(build_compressed_section_map): New function.
	(Sized_relobj::do_read_symbols): Handle compressed debug sections.
	* object.h (Object::section_is_compressed): New method.
	(Object::do_section_is_compressed): New method.
	(Sized_relobj::Compressed_section_map): New type.
	(Sized_relobj::do_section_is_compressed): New method.
	(Sized_relobj::compressed_sections_): New data member.
	* output.cc (Output_section::add_input_section): Handle compressed
	debug sections.
	* reloc.cc: Include compressed_output.h.
	(Sized_relobj::write_sections): Handle compressed debug sections.
2010-07-12 17:59:58 +00:00
Cary Coutant a0506ccaf2 * layout.cc (gdb_sections): Add .debug_types.
(lines_only_debug_sections): Likewise.
2010-06-19 21:11:55 +00:00
Sriraman Tallam 6e9ba2ca9c * gold.h (is_wildcard_string): New function.
* layout.cc (Layout::layout): Pass this pointer to add_input_section.
	(Layout::layout_eh_frame): Ditto.
	(Layout::find_section_order_index): New method.
	(Layout::read_layout_from_file): New method.
	* layout.h (Layout::find_section_order_index): New method.
	(Layout::read_layout_from_file): New method.
	(Layout::input_section_position_): New private member.
	(Layout::input_section_glob_): New private member.
	* main.cc (main): Call read_layout_from_file here.
	* options.h (--section-ordering-file): New option.
	* output.cc (Output_section::input_section_order_specified_): New
	member.
	(Output_section::Output_section): Initialize new member.
	(Output_section::add_input_section): Add new parameter.
	Keep input sections when --section-ordering-file is used.
	(Output_section::set_final_data_size): Sort input sections when
	section ordering file is specified.
	(Output_section::Input_section_sort_entry): Add new parameter.
	Check sorting type.
	(Output_section::Input_section_sort_entry::compare_section_ordering):
	New method.
	(Output_section::Input_section_sort_compare::operator()): Change to
	consider section_order_index.
	(Output_section::Input_section_sort_init_fini_compare::operator()):
	Change to consider section_order_index.
	(Output_section::Input_section_sort_section_order_index_compare
	::operator()): New method.
	(Output_section::sort_attached_input_sections): Change to sort
	according to section order when specified.
	(Output_section::add_input_section<32, true>): Add new parameter.
	(Output_section::add_input_section<64, true>): Add new parameter.
	(Output_section::add_input_section<32, false>): Add new parameter.
	(Output_section::add_input_section<64, false>): Add new parameter.
	* output.h (Output_section::add_input_section): Add new parameter.
	(Output_section::input_section_order_specified): New
	method.
	(Output_section::set_input_section_order_specified): New method.
	(Input_section::Input_section): Initialize section_order_index_.
	(Input_section::section_order_index): New method.
	(Input_section::set_section_order_index): New method.
	(Input_section::section_order_index_): New member.
	(Input_section::Input_section_sort_section_order_index_compare): New
	struct.
	(Output_section::input_section_order_specified_): New member.
	* script-sections.cc (is_wildcard_string): Delete and move modified
	method to gold.h.
	(Output_section_element_input::Output_section_element_input): Modify
	call to is_wildcard_string.
	(Output_section_element_input::Input_section_pattern
	::Input_section_pattern): Ditto.
	(Output_section_element_input::Output_section_element_input): Ditto.
	* testsuite/Makefile.am (final_layout): New test case.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/final_layout.cc: New file.
	* testsuite/final_layout.sh: New file.
2010-06-01 23:37:58 +00:00
Ian Lance Taylor bd288ea21b * layout.cc (Layout::layout_reloc): In relocatable link don't
combine reloc sections for grouped sections.
2010-04-24 14:32:23 +00:00
Doug Kwan 1e5d2fb127 2010-04-09 Doug Kwan <dougkwan@google.com>
* layout.cc (Layout::choose_output_section): Handle script section
	types.
	(Layout::make_output_section_for_script): Add section type parameter.
	Handle script section types.
	* layout.h (Layout::make_output_section_for_script): Add section
	type parameter.
	* output.cc (Output_section::Output_section): Initialize data member
	is_noload_.
	(Output_section::do_reset_address_and_file_offset): Do not set address
	to 0 if section is a NOLOAD section.
	* output.h (Output_section::is_noload): New method.
	(Output_section::set_is_noload): Ditto.
	(Output_section::is_noload_): New data member.
	* script-c.h (Script_section_type): New enum type.
	(struct Parser_output_section_header): Add new file section_type.
	* script-sections.cc (Sections_element::output_section_name): Add
	parameter for returning script section type.
	(Output_section_definition::output_section_name): Ditto.
	(Output_section_definition::section_type)P; New method.
	(Output_section_definiton::script_section_type_name): Ditto.
	(Output_section_definition::script_section_type_): New data member.
	(Output_section_definition::Output_section_definition): Initialize
	data member Output_section_definition::script_section_type_.
	(Output_section_definition::create_sections): Pass script section type
	to Layout::make_output_section_for_script.
	(Output_section_definition::output_section_name): Return script
	section type to caller.
	(Output_section_definition::set_section_address): Do not advance
	dot value and load address if section type is NOLOAD.  Set address
	of NOLOAD sections regardless of section flags.
	(Output_section_definition::print): Print section type if it is
	not SCRIPT_SECTION_TYPE_NONE.
	(Output_section_definition::section_type): New method.
	(Output_section_definition::script_section_type_name): Ditto.
	(Script_sections::output_section_name): Add new parameter
	PSECTION_TYPE for returning script section type.  Pass it to
	section elements.  Handle discard sections.
	(Sort_output_sections::operator()): Handle NOLOAD sections.
	* script-sections.h (Script_sections::Section_type): New enum type.
   	(Script_sections::output_section_name): Add a new parameter for
	returning script section type.
	* script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
	INFO and NOLOAD.
	* yyscript.y (union): Add new field SECTION_TYPE.
	(COPY, DSECT, INFO, NOLOAD): New tokens.
	(opt_address_and_section_type): Change type to output_section_header.
	(section_type): New non-terminal
	(section_header): Handle section type.
 	(opt_address_and_section_type): Return section type value.
2010-04-09 17:32:58 +00:00
Doug Kwan 2a0ff005c8 2010-03-01 Doug Kwan <dougkwan@google.com>
* layout.cc (Layout::Layout): Force section types of .init_array*,
	.preinit_array* and .fini_array* sections.
	* output.cc (Output_section::Input_section_sort_entry::has_priority):
	Fix check of return value of std::string::find.().
	(Output_section::Input_section_sort_compare::operator()): Remove
	comment about .init_array.
	(Output_section::Input_section_sort_init_fini_compare::operator()):
	New method.
	(Output_section::sort_attached_input_sections): Handle .init_array
	and .fini_array specially.
	* output.h (Output_section::Inut_section_sort_compare): Update
	comment.
	(Output_section::Input_section_sort_init_fini_compare): New struct.
2010-03-01 21:43:50 +00:00
Doug Kwan 4a54abbbe9 2010-02-24 Doug Kwan <dougkwan@google.com>
* arm.cc (Arm_output_data_got): New class.
	(ARM_TCB_SIZE): New constant
	(Target_arm): Use Arm_output_data_got instead of Output_data_got.
	(Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
	If user uses a script with a SECTIONS clause, issue only a warning
	for a misplaced EXIDX input section.  Otherwise, issue an error.
 	(Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
	garbage collection.
	(Target_arm::got_mode_index_entry): Handle static linking.
	(Target_arm::Scan::local): Ditto.
	(Target_arm::Scan::global): Ditto.
	(Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
	all incorrectly implemented relocations.
	(Target_arm::fix_exidx_coverage): Pass layout to
	Arm_output_section::fix_exidx_coverage.
	* layout.cc (Layout::section_name_mapping): Remove trailing dots
	from ".ARM.exidx." and ".ARM.extab.".
2010-02-24 20:45:12 +00:00
David S. Miller 612a8d3dbf * output.h (Output_data_dynamic::add_section_size): New method
that takes two Output_data objects.
	(Output_data_dynamic::Dynamic_entry): Create storage for secondary
	entry param.  Handle it in initializers.
	* output.cc (Output_data_dynamic::Dynamic_entry::write): For
	DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
	* layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
	arg.
	* layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
	and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
	* arm.cc (Target_arm::do_finalize_sections): Update to pass false
	for dynrel_includes_plt.
	* i386.cc (Target_i386::do_finalize_sections): Likewise.
	* x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
	* sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
	before .rela.plt
	(Target_sparc::do_finalize_sections): Update to pass true for
	dynrel_includes_plt.
	* powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
	output before .rela.plt
	(Target_powerpc::do_finalize_sections): Update to pass true for
	dynrel_includes_plt when 32-bit.
2010-02-09 20:29:44 +00:00
Doug Kwan 8923b24c4b 2010-01-22 Doug Kwan <dougkwan@google.com>
* arm.cc (Target_arm::do_relax): Record an output section for section
	offset adjustment it contains any stub table that has changed.
	* layout.cc (Layout::clean_up_after_relaxation): Adjust section
	offsets in an output section if necessary.
	* output.cc (Output_section::Output_section): Initialize
	section_offsets_need_adjustments_.
	(Output_section::add_input_section_for_script): Renamed to
	Output_section::add_simple_input_section.
	(Output_section::save_states): Add a comment.
	(Output_section::discard_states): New method defintion.
	(Output_section::adjust_section_offsets): Same.
	* output.h (Output_section::add_input_section_for_script): Renamed to
	Output_section::add_simple_input_section.
	(Output_section::discard_states): New method declaration.
	(Output_section::adjust_section_offsets): Same.
	(Output_section::section_offsets_need_adjustment,
	Output_section::set_section_offsets_need_adjustment): New method
	definitions.
	(Output_section::section_offsets_need_adjustment_): New data member.
	* script-sections.cc
	(Output_section_element_input::set_section_address): Adjust code for
	renaming of Output_section::add_input_section_for_script.
	(Orphan_output_section::set_section_address): Same.
2010-01-23 01:07:59 +00:00
Ian Lance Taylor 6b7dd3f3b1 PR 11072
* layout.cc (Layout::include_section): Remove .gnu_debuglink
	sections.
2010-01-08 21:07:34 +00:00
Ian Lance Taylor e291e7b9c9 PR 10287
PR 11063
	* i386.cc (class Target_i386): Change return type of plt_section
	to be non-const.
	(class Output_data_plt_i386): Add tls_desc_rel_ field.
	(Output_data_plt_i386::Output_data_plt_i386): Initialize
	tls_desc_rel_ field.
	(Output_data_plt_i386::rel_tls_desc): New function.
	(Target_i386::rel_tls_desc_section): New function.
	(Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
	(Target_i386::Scan::global): For R_386_TLS_GOTDESC put
	R_386_TLS_DESC reloc in rel_tls_desc_section.
	* x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
	Define struct Tlsdesc_info.
	(Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
	(Target_x86_64::do_reloc_symbol_index): New function.
	(Target_x86_64::add_tlsdesc_info): New function.
	(class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
	(Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
	tlsdesc_rel_ field.
	(Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
	all callers.
	(Output_data_plt_x86_64::rela_tlsdesc): New function.
	(Target_x86_64::rela_tlsdesc_section): New function.
	(Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
	handling.
	(Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
	(Target_x86_64::do_reloc_addend): New function.
	R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
	* output.h (class Output_reloc) [SHT_REL]: Add new constructor
	declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
	(Output_reloc::type): New function.
	(Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
	(Output_reloc::is_target_specific): New function.
	(Output_reloc::target_arg): New function.
	(class Output_reloc) [SHT_RELA]: Add four new constructors for
	absolute relocs and target specific relocs.
	(class Output_data_reloc) [SHT_REL]: Add add_absolute and
	add_target_specific.
	(class Output_data_reloc) [SHT_RELA]: Likewise.
	* output.cc (Output_reloc::Output_reloc): Add four new versions
	for absolute relocs and target specific relocs.
	(Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
	(Output_reloc::get_symbol_index): Likewise.
	(Output_reloc::local_section_offset): Check that local_sym_index_
	is not TARGET_CODE or 0.
	(Output_reloc::symbol_value): Likewise.
	(Output_reloc::write) [SHT_RELA]: Call target for target specific
	reloc.
	* target.h (class Target): Add reloc_symbol_index and reloc_addend
	functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
	functions.
	* layout.cc (add_target_dynamic_tags): Use output section for
	DT_PLTRELSZ and DT_JMPREL.
2010-01-08 19:33:18 +00:00
Ian Lance Taylor 3a44184e64 PR 11061
* output.h (class Output_reloc) [SHT_RELA]: Add is_relative
	function.
	(class Output_data_reloc_generic): Define.
	(class Output_data_reloc_base): Change base class to
	Output_data_reloc_generic.  Change add() method to call
	bump_relative_reloc_count for a relative reloc.  Remove
	sort_relocs_ field.
	* output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
	to sort_relocs().
	* layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
	Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
	appropriate.
	* layout.h (class Layout): Update declaration.
2010-01-07 21:09:31 +00:00
Ian Lance Taylor ea715a34a7 * output.h (class Output_data): Add const version of
output_section and do_output_section.
	(class Output_section_data): Add const version of
	do_output_section.
	(class Output_section): Likewise.
	* layout.cc (Layout::add_target_dynamic_tags): New function.
	* layout.h (class Layout): Update declarations.
	* arm.cc (Target_arm::do_finalize_sections): Use
	add_target_dynamic_tags.
	* i386.cc (Target_i386::do_finalize_sections): Likewise.
	* powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
	* sparc.cc (Target_sparc::do_finalize_sections): Likewise.
	* x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2010-01-07 20:43:35 +00:00
Ian Lance Taylor ffeef7dfa5 * options.h (class General_options): Add -z text and -z textoff.
* layout.cc (Layout::finish_dynamic_section): Implement -z text.
2010-01-07 18:16:24 +00:00
Sriraman Tallam f1ec9ded5c * gc.h (Garbage_collection::Cident_section_map): New typedef.
(Garbage_collection::cident_sections): New function.
	(Garbage_collection::add_cident_section): New function.
	(Garbage_collection::cident_sections_): New member.
	(gc_process_relocs): Add references to sections whose names are C
	identifiers.
	* gold.h (cident_section_start_prefix): New constant.
	(cident_section_stop_prefix): New constant.
	(is_cident): New function.
	* layout.cc (Layout::define_section_symbols): Replace string constants
	with the newly defined constants.
	* object.cc (Sized_relobj::do_layout): Track sections whose names are
	C identifiers.
	* testsuite/Makefile.am: Add gc_orphan_section_test.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/gc_orphan_section_test.cc: New file.
	* testsuite/gc_orphan_section_test.sh: New file.
2010-01-07 07:14:30 +00:00
Ian Lance Taylor b9674e179b PR 10980
* options.h (class General_options): Add --warn-shared-textrel.
	* layout.cc (Layout::finish_dynamic_section): Implement
	--warn-shared-textrel.
2010-01-07 06:05:23 +00:00
Ian Lance Taylor a192ba0508 PR 10980
* options.cc (General_options::parse_section_start): New function.
	(General_options::section_start): New function.
	(General_options::General_options): Initialize all members.
	* options.h: Include <map>
	(class General_options): Add --section-start.  Add section_starts_
	member.
	* layout.cc (Layout::attach_allocated_section_to_segment): If
	--section-start was used, set the address of the segment.  Remove
	local sort_sections.
	(Layout::relaxation_loop_body): If the address of the load segment
	has been set by --section-start, don't use it.
	* output.h (Output_segment::update_flags_for_output_section): New
	function.
	* output.cc (Output_segment::add_output_section): Call
	update_flags_for_output_section.
2010-01-06 22:37:18 +00:00
Ian Lance Taylor 403a15dd3b PR 10979
* layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
	don't put the file header and segment headers in the text
	segment.
2009-12-31 05:43:29 +00:00
Ian Lance Taylor d7bb574500 PR 10979
* script.cc (read_input_script): If we see a new SECTIONS clause,
	and we have added an input section, give an error.
	* layout.h (class Layout): Add have_added_input_section function.
	Add have_added_input_section_ field.
	* layout.cc (Layout::Layout): Initialize
	have_added_input_section_.
	(Layout::layout): Set have_added_input_section_.
	(Layout::layout_eh_frame): Likewise.
2009-12-31 03:48:46 +00:00
Ian Lance Taylor 1b81fb710f PR 10450
* layout.cc (Layout::create_dynamic_symtab): Only set entsize of
	.gnu.hash table for a 32-bit target.
2009-12-30 07:45:32 +00:00
Ian Lance Taylor 1a2dff539b * layout.cc (Layout::Layout): Initialize increase_relro_.
(Layout::get_output_section): Add is_relro, is_last_relro, and
	is_first_non_relro parameters.  Change all callers.
	(Layout::choose_output_section): Likewise.
	(Layout::add_output_section_data): Likewise.
	(Layout::make_output_section): Likewise.
	(Layout::set_segment_offsets): Clear increase_relro when using a
	linker script.
	* layout.h (class Layout): Add increase_relro method.  Add
	increase_relro_ field.  Update declarations.
	* output.cc (Output_section::Output_section): Initialize
	is_last_relro_ and is_first_non_relro_.
	(Output_segment::add_output_section): Group relro sections is
	do_sort is true.  Handle is_last_relro and is_first_non_relro.
	(Output_segment::maximum_alignment): Remove relro handling.
	(Output_segment::set_section_addresses): Add increase_relro
	parameter.  Change all callers.  Add initial alignment to align
	relro sections on separate page.  Remove old relro handling.
	(Output_segment::set_section_list_addresses): Remove in_relro
	parameter.  Change all callers.
	(Output_segment::set_offset): Add increase parameter.  Change all
	callers.  Remove old relro handling.
	* output.h (class Output_section): Add new methods: is_last_relro,
	set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
	Add is_last_relro_ and is_first_non_relro_ fields.
	* i386.cc (Target_i386::got_section): Don't call set_is_relro.
	Create separate .got.plt section.  Call increase_relro.
	* x86_64.cc (Target_x86_64::got_section): Likewise.
	* testsuite/relro_script_test.t: Add .got.plt.
2009-12-30 06:57:17 +00:00
Ian Lance Taylor f0ba79e29c PR 10450
* layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
	(Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
	(Layout::finalize): Call set_dynamic_symbol_size.
	(Layout::set_dynamic_symbol_size): New function.
	* layout.h (class Layout): Add dynamic_symbol_ field.  Declare
	set_dynamic_symbol_size.
2009-12-30 04:16:50 +00:00
Ian Lance Taylor 99fff23b2e * symtab.h (class Symbol_table): Add enum Defined.
* resolve.cc (Symbol_table::should_override): Add defined
	parameter.  Change all callers.  Test whether object is NULL
	before calling a method on it.
	(Symbol_table::report_resolve_problem): Add defined parameter.
	Change all callers.
	(Symbol_table::should_override_with_special): Likewise.
	* symtab.cc (Symbol_table::define_in_output_data): Add defined
	parameter.  Change all callers.
	(Symbol_table::do_define_in_output_data): Likewise.
	(Symbol_table::define_in_output_segment): Likewise.
	(Symbol_table::do_define_in_output_segment): Likewise.
	(Symbol_table::define_as_constant): Likewise.
	(Symbol_table::do_define_as_constant): Likewise.
	* script.h (class Symbol_assignment): Add is_defsym parameter to
	constructor; change all callers.
	* script.cc (Script_options::add_symbol_assignment): Add is_defsym
	parameter.  Change all callers.  Add is_defsym_ field.
	(class Parser_closure): Add parsing_defsym parameter to
	constructor; change all callers.  Add parsing_defsym accessor
	function.  Add parsing_defsym_ field.
2009-12-29 00:31:48 +00:00
Ian Lance Taylor 0e0d5469b8 * layout.cc (Layout::create_shstrtab): Only write out after input
sections if we are compressing debug sections.
2009-12-15 22:20:25 +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 f59f41f3e6 2009-12-03 Doug Kwan <dougkwan@google.com>
* arm.cc: Remove comment about missing .ARM.exidx section symbols.
	(Target_arm::do_finalize_sections): Add parameter for symbol table
	pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
	* i386.cc (Target_i386::do_finalize_sections): Add an additional
	parameter for symbol table pointer.
	* layout.cc (Layout::finalize): Call Target::finalize_sections with
	an additional parameter for a pointer to symbol table.
	* powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
	parameter for a symbol table pointer.
	* sparc.cc (Target_sparc::do_finalize_sections): Ditto.
	* target.h (Target::finalize_sections, Target::do_finalize_sections):
	Ditto.
	* x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
	parameter for a symbol table pointer.
2009-12-03 23:13:55 +00:00
Ian Lance Taylor 594c8e5ede PR 10880
* object.h (class Object): Add is_needed and set_is_needed
	methods.  Add is_needed_ field.  Make bool fields into bitfields.
	* symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
	defined in a dynamic object and referenced by a regular object,
	set is_needed for the dynamic object.
	* layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
	if the file is marked with as_needed and it is not needed.
2009-11-05 06:24:39 +00:00
Ian Lance Taylor f5c870d25d * layout.cc (Layout::get_output_section): Add is_interp and
is_dynamic_linker_section parameters.  Change all callers.
	(Layout::choose_output_section): Likewise.
	(Layout::make_output_section): Likewise.
	(Layout::add_output_section_data): Add is_dynamic_linker_section
	parameter.  Change all callers.
	* layout.h (class Layout): Update declarations.
	* output.h (class Output_section): Add is_interp, set_is_interp,
	is_dynamic_linker_section, set_is_dynamic_linker_section methods.
	Add is_interp_, is_dynamic_linker_section_ fields.  Change
	generate_code_fills_at_write_ to a bitfield.
	* output.cc (Output_section::Output_sections): Initialize new
	fields.
	(Output_segment::add_output_section): Add do_sort parameter.
	Change all callers.
2009-11-04 15:56:03 +00:00
Doug Kwan d5b40221bc 2009-10-30 Doug Kwan <dougkwan@google.com>
elfcpp/ChangeLog:
	* arm.h (EF_ARM_BE8, EF_ARM_EABIMASK, EF_ARM_EABI_UNKNOWN,
	EF_ARM_EABI_VER1, EF_ARM_EABI_VER2, EF_ARM_EABI_VER3,
	EF_ARM_EABI_VER4, EF_ARM_EABI_VER5): New enums for processor-specific
	flags.
	(arm_eabi_version): New inline function.
	* elfcpp.h: Add a comment about DT_ENCODING.

gold/ChangeLog:
	* arm.cc (Arm_relobj::processor_specific_flags): New method
	definition.
	(Arm_relobj::do_read_symbols): New method declaration.
	(Arm_relobj::processor_specific_flags_): New data member declaration.
	(Arm_dynobj): New class definition.
	(Target_arm::do_finalize_sections): Add input_objects parameter.
	(Target_arm::do_adjust_elf_header): New method declaration.
	(Target_arm::are_eabi_versions_compatible,
	(Target_arm::merge_processor_specific_flags): New method declaration.
	(Target_arm::do_make_elf_object): New overloaded method definitions
	and declaration.
	(Arm_relobj::do_read_symbols): New method definition.
	(Arm_dynobj::do_read_symbols): Ditto.
	(Target_arm::do_finalize_sections): Add input_objects parameters.
	Merge processor-specific flags from all input objects.
	(Target_arm::are_eabi_versions_compatible,
	Target_arm::merge_processor_specific_flags,
	Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
	New method definitions.
	* i386.cc (Target_i386::do_finalize_sections): Add unnamed
	Input_objects pointer type parameter.
	* layout.cc (Layout::finalize): Pass input objects to target's.
	finalize_sections function.
	* output.cc (Output_file_header::do_sized_write): Set ELF file
	header's processor-specific flags.
	* powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
	Input_objects pointer type parameter.
	* sparc.cc (Target_sparc::do_finalize_sections): Same.
	* target.h (Input_objects): New forward class declaration.
	(Target::processor_specific_flags,
	Target::are_processor_specific_flags_sect): New method definitions.
	(Target::finalize_sections): Add input_objects parameter.
	(Target::Target): Initialize processor_specific_flags_ and
	are_processor_specific_flags_set_.
	(Target::do_finalize_sections): Add unnamed Input_objects pointer type
	parameter.
	(Target::set_processor_specific_flags): New method definition.
	(Target::processor_specific_flags_,
	Target::are_processor_specific_flags_set_): New data member
	declarations.
	* x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
	Input_objects pointer type parameter.
2009-10-30 18:49:59 +00:00
Ian Lance Taylor 68b6574b4d * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
program headers with no load segment if there is a linker script.
2009-10-16 05:16:09 +00:00
Ian Lance Taylor 661be1e21e * layout.cc (Layout::set_segment_offsets): Align the file offset
to the segment aligment for -N or -n with no load segment.
	* output.cc (Output_segment::add_output_section): Don't crash if
	the first section is a TLS section.
	(Output_segment::set_section_list_addresses): Print an error
	message if the address moves backward in a linker script.
	* script-sections.cc
	(Output_section_element_input::set_section_addresses): Don't
	increase *dot_value for a SHF_TLS/SHT_NOBITS section.
	(Orphan_output_section::set_section_addresses): Likewise.
2009-10-16 05:00:29 +00:00
Doug Kwan f15f61a7f3 2009-10-15 Doug Kwan <dougkwan@google.com>
* layout.cc (Layout::finish_dynamic_section): Generate tags
	DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
	DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
	used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
2009-10-15 18:17:48 +00:00
Ian Lance Taylor 374ad2854b Add support for -pie.
* options.h (class General_options): Add -pie and
	--pic-executable.
	(General_options::output_is_position_independent): Test -pie.
	(General_options::output_is_executable): Return true if not shared
	and not relocatable.
	(General_options::output_is_pie): Remove.
	* options.cc (General_options::finalize): Reject incompatible uses
	of -pie.
	* gold.cc (queue_middle_tasks): A -pie link is not static.
	* symtab.h (Symbol::needs_plt_entry): Return false if -pie.
	* symtab.cc (Symbol::final_value_is_known): Return false if
	output_is_position_independent.
	* layout.cc (Layout::set_segment_offsets): Start at address 0 if
	output_is_position_independent.
	* output.cc (Output_file_header::do_sized_write): Use ET_DYN if
	output_is_position_independent.
	* i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
	output_is_position_independent.
	* testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
	two_file_pie_test.
	(basic_pie_test.o, basic_pie_test): New targets.
	(two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
	(two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
	(two_file_pie_test): New target.
	* testsuite/Makefile.in: Rebuild.
	* README: Remove note saying that -pie is not supported.
2009-10-14 05:25:02 +00:00
Ian Lance Taylor c658516291 * options.h (class General_options): Add -init and -fini.
* layout.cc (Layout::finish_dynamic_section): Emit
	given init and fini functions.
2009-10-13 21:23:00 +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 75aea3d03d * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
Change read_shndx type to unsigned int.
	(Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
	int.
	(Sized_dwarf_line_info::read_line_mappings): Likewise.
	* dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
	Change read_shndx type to unsigned int.
	(Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
	int.
	(Sized_dwarf_line_info::read_line_mappings): Likewise.
	* layout.cc (Layout::create_symtab_sections): Cast the result of
	local_symcount * symsize to off_t in the gold_assert.
2009-10-09 23:05:21 +00:00
Doug Kwan 20e6d0d602 2009-09-17 Doug Kwan <dougkwan@google.com>
* debug.h (DEBUG_RELAXATION): New constant.
	(DEBUG_ALL): Add DEBUG_RELAXATION.
	(debug_string_to_enum): Add relaxation debug option.
	* layout.cc
	(Layout::Relaxation_debug_check::check_output_data_for_reset_values,
	Layout::Relaxation_debug_check::read_sections,
	Layout::Relaxation_debug_check::read_sections): New method definitions.
	(Layout::Layout): Initialize data members
	record_output_section_data_from_scrips_,
	script_output_section_data_list_ and relaxation_debug_check_.
	(Layout::save_segments, Layout::restore_segments,
	Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
	Layout::relaxation_loop_body): New method definitions.
	(Layout::finalize): Support relaxation.  Move section layout code to
	Layout::relaxation_loop_body.
	(Layout::set_asection_address_from_script): Move code for orphan
	section placement out.
	(Layout::place_orphan_sections_in_script): New method definition.
	* layout.h (Output_segment_headers, Output_file_header):
	New forward class declarations.
	(Layout::~Layout): Define.
	(Layout::new_output_section_data_from_script): New method definition.
	(Layout::place_orphan_sections_in_script): New method declaration.
	(Layout::Segment_states): New type declaration.
	(Layout::save_segments, Layout::restore_segments,
	Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
	Layout::relaxation_loop_body): New method declarations.
	(Layout::Output_section_data_list): New type declaration.
	(Layout::Relaxation_debug_check): New class definition.
	(Layout::record_output_section_data_from_script_,
	Layout::script_output_section_data_list_, Layout::segment_states_,
	Layout::relaxation_debug_check_): New data members.
	* output.cc: (Output_section_headers::do_size): New method definition.
	(Output_section_headers::Output_section_headers): Move size
	computation to Output_section_headers::do_size.
	(Output_segment_headers::do_size): New method definition.
	(Output_file_header::Output_file_header): Move size computation to
	Output_file_header::do_size and call it.
	(Output_file_header::do_size): New method definition.
	(Output_data_group::Output_data_group): Adjust call to
	Output_section_data.
	(Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
	(Output_symtab_xindex::do_write): Add array bound check.
 	(Output_section::Input_section::print_to_mapfile): Handle
	RELAXED_INPUT_SECTION_CODE.
	(Output_section::Output_section): Initialize data member checkpoint_.
	(Output_section::~Output_section): Delete checkpoint object pointed
	by checkpoint_.
	(Output_section::add_input_section): Always add an Input_section if
	relaxing.
	(Output_section::add_merge_input_section): Add assert.
	(Output_section::relax_input_section): New method definition.
	(Output_section::set_final_data_size): Set load address to zero for
	an unallocated section.
	(Output_section::do_address_and_file_offset_have_reset_values):
	New method definition.
	(Output_section::Input_section_sort_enty::Input_section_sort_enty):
	Handle relaxed input section.
	(Output_section::sort_attached_input_sections): Checkpoint input
	section list lazily.
	(Output_section::get_input_sections): Change type of input_sections to
	list of Simple_input_section pointers.  Checkpoint input section list
	lazily.  Also handle relaxed input sections.
	(Output_section::add_input_section_for_script): Take a reference to
	a Simple_input_section object instead of Relobj pointer and section
	index as parameter.  Handle relaxed input sections.
	(Output_section::save_states, Output_section::restore_states): New
	method definitions.
	* output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
	(Output_data::is_data_size_fixed): New method definition.
	(Output_data::reset_addresss_and_file_offset): Do not reset data size
	if it is fixed.
	(Output_data::address_and_file_offset_have_reset_values): New method
	definition.
	(Output_data::do_address_and_file_offset_have_reset_values): New method
	definition.
	(Output_data::set_data_size): Check that data size is not fixed.
	(Output_data::fix_data_size): New method definition.
	(Output_data::is_data_size_fixed_): New data member.
	(Output_section_headers::set_final_data_size): New method definition.
	(Output_section_headers::do_size): New method declaration.
	(Output_segment_headers::set_final_data_size): New method definition.
	(Output_segment_headers::do_size): New method declaration.
	(Output_file_header::set_final_data_size)::New method definition.
	(Output_file_header::do_size)::New method declaration.
	(Output_section_data::Output_section_data): Add new parameter
	is_data_size_fixed and use it to fix data size.
	(Output_data_const::Output_data_const): Adjust call to base class
	constructor and fix data size.
	(Output_data_const_buffer::Output_data_const_buffer): Adjust call to
	base class constructor and fix data size.
	(Output_data_fixed_space::Output_data_fixed_space): Adjust call to
	base class constructor and fix data size.
	(Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
	class constructor and fix data size.
	(Output_data_group::set_final_data_size): New method definition.
	(Output_data_dynamic::Dynamic_entry::tag): New method definition.
	(Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
	class constructor and fix data size.
	(Output_relaxed_input_section): New class definition.
	(Output_section::Simple_input_section): New class definition.
	(Output_section::get_input_sections): Adjust parameter list.
	(Output_section::add_input_section_for_script): Same.
	(Output_section::save_states, Output_section::restore_states,
	Output_section::do_address_and_file_offset_have_reset_values,
	(Output_section::Input_section::Input_section): Handle
	RELAXED_INPUT_SECTION_CODE.  Add new overload for
	Output_relaxed_input_section.
	(Output_section::Input_section::is_input_section,
	Output_section::Input_section::set_output_section): Handle relaxed
	input section.
	(Output_section::Input_section::is_relaxed_input_section,
	Output_section::Input_section::output_section_data,
	Output_section::Input_section::relaxed_input_section): New method
	definitions.
	(Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
	value.
	(Output_section::Input_section::u1_): Update comments.
	(Output_section::Input_section::u2_): Add new union member poris.
	(Output_section::Checkpoint_output_section): New classs definition.
	(Output_section::relax_input_section): New method declaration.
	(Output_section::checkpoint_): New data member.
	(Output_segment): Update comments.
	(Output_segment::Output_segment): Un-privatize copy constructor.
	(Output_segment::operator=): Un-privatize.
	* script-sections.cc (Output_section_element::Input_section_list):
	Change element type to Output_section::Simple_input_section.
	(Output_section_element_dot_assignment::set_section_addresses):
	Register output section data for relaxation clean up.
	(Output_data_exression::Output_data_expression): Adjust call to base
	constructor to fix data size.
	(Output_section_element_data::set_section_addresses): Register
	Output_data_expression object for relaxation clean up.
	(struct Input_section_info): Replace Relobj pointer and section index
	pair with Output_section::Simple_input_section and Convert struct to a
	class.
	(Input_section_sorter::operator()): Adjust access to
	Input_section_info data member to use accessors.
	(Output_section_element_input::set_section_addresses): Use layout
	parameter.  Adjust code to use Output_section::Simple_input_section
	and Input_secction_info classes.  Register filler for relaxation
	clean up.
	(Orphan_output_section::set_section_addresses): Replace Relobj pointer
	and section index pair with Output_section::Simple_input_section
	class.  Adjust code accordingly.
	(Phdrs_element::release_segment): New method definition.
	(Script_sections::attach_sections_using_phdrs_clause): Do not modify
	segment list.
	(Script_sections::release_segments): New method definition.
	* gold/script-sections.h (Script_sections::release_segments): New
	method declaration.
	* gold/target.h (Target::may_relax, Target::relax,
	Target::do_may_relax, Target::do_relax): New method definitions.
2009-09-18 01:10:38 +00:00
Sriraman Tallam ef15dade89 *** empty log message *** 2009-08-05 20:51:56 +00:00
Chris Demetriou c3b65ac4d0 2009-07-24 Chris Demetriou <cgd@google.com>
* layout.cc (is_compressible_debug_section): Fix incorrect
        comment about compressed section names.
2009-07-24 23:13:51 +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