2009-10-15 Ian Lance Taylor * script.cc (Script_options::add_symbol_assignment): Always add a dot assginment to script_sections_. * script-sections.cc (Script_sections::add_dot_assignment): Initialize if necessary. * layout.cc (Layout::relaxation_loop_body): Don't crash if we see program headers with no load segment if there is a linker script. * 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. 2009-10-15 Doug Kwan * 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. 2009-10-14 Ian Lance Taylor * object.h (class Relocate_info): Add reloc_shdr and data_shdr fields. * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and data_shdr fields of relinfo. * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field. (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo. For R_386_TLS_LDO_32, adjust based on section flags. (Target_i386::Relocate::fix_up_ldo): Remove. 2009-10-13 Ian Lance Taylor 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. 2009-10-13 Bernhard Reutner-Fischer * options.h (class General_options): Add -init and -fini. * layout.cc (Layout::finish_dynamic_section): Emit given init and fini functions. 2009-10-13 Sriraman Tallam * 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. 2009-10-12 Sriraman Tallam * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove includes to gc.h and icf.h. * arm.cc: Include gc.h. * gold.cc: Likewise. * i386.cc: Likewise. * powerpc.cc: Likewise. * sparc.cc: Likewise. * x86_64.cc: Likewise. * gc.h: Include icf.h. 2009-10-11 Ian Lance Taylor * plugin.cc: Include "gold.h" before other header files. 2009-10-10 Chris Demetriou * options.h (Input_file_argument::Input_file_type): New enum. (Input_file_argument::is_lib_): Replace with... (Input_file_argument::type_): New member. (Input_file_argument::Input_file_argument): Take Input_file_type 'type' rather than boolean 'is_lib' as second argument. (Input_file_argument::is_lib): Use type_. (Input_file_argument::is_searched_file): New function. (Input_file_argument::may_need_search): Handle is_searched_file. * options.cc (General_options::parse_library): Support -l:filename. (General_options::parse_just_symbols): Update for Input_file_argument changes. (Command_line::process): Likewise. * archive.cc (Archive::get_file_and_offset): Likewise. * plugin.cc (Plugin_manager::release_input_file): Likewise. * script.cc (read_script_file, script_add_file): Likewise. * fileread.cc (Input_file::Input_file): Likewise. (Input_file::will_search_for): Handle is_searched_file. (Input_file::open): Likewise. * readsyms.cc (Read_symbols::get_name): Likewise. * testsuite/Makefile.am (searched_file_test): New test. * testsuite/Makefile.in: Regenerate. * testsuite/searched_file_test.cc: New file. * testsuite/searched_file_test_lib.cc: New file. 2009-10-09 Andrew Pinski Ian Lance Taylor * descriptor.cc: Include and "binary-io.h". (Descriptors::open): Open the files in binary mode always. * script.cc (Lex::get_token): Treat \r as whitespace. 2009-10-09 Ian Lance Taylor * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0. 2009-10-09 Andrew Pinski Ian Lance Taylor * configure.ac: Check for readv function also. * fileread.cc (readv): Define if not HAVE_READV. * fileread.h (File_read:: max_readv_entries): Set to 1 if readv does not exist. * config.in: Regenerate. * configure: Regenerate. 2009-10-09 Doug Kwan * 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 Andrew Pinski * pread.c: Include stdio.h. 2009-10-09 Andrew Pinski * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not defined. 2009-10-09 Andrew Pinski * 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 Viktor Kutuzov * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16, R_ARM_BASE_ABS. (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter. (Arm_relocate_functions::thm_abs5): New function. (Arm_relocate_functions::abs12): New function. (Arm_relocate_functions::abs16): New function. (Arm_relocate_functions::base_abs): New function. (Scan::check_non_pic): Handle R_ARM_ABS32_NOI. (Scan::local): Remove special handling of R_ARM_ABS8. Handle R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and R_ARM_BASE_ABS. (Scan::global): Likewise. (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16, R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS. (Relocatable_size_for_reloc::get_size_for_reloc): Handle R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and R_ARM_BASE_ABS. 2009-10-09 Viktor Kutuzov * arm.cc (Arm_relocate_functions::movw_prel_nc): New function. (Arm_relocate_functions::movt_prel): New function. (Arm_relocate_functions::thm_movw_prel_nc): New function. (Arm_relocate_functions::thm_movt_prel): New function. (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL, R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL. (Scan::global, Relocate::relocate): Likewise. (Relocatable_size_for_reloc::get_size_for_reloc): Likewise. 2009-10-09 Mikolaj Zalewski * gold.cc: (queue_initial_tasks): Pass incremental_inputs to Incremental_checker. * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to unsigned int. (class Incremental_inputs_header): New class. (Incremental_inputs_header_writer): Edit comment. (Incremental_inputs_entry): New class. (Incremental_inputs_entry_writer): Edit comment. (Sized_incremental_binary::do_find_incremental_inputs_section): Add *strtab_shndx parameter, fill it. (Sized_incremental_binary::do_check_inputs): New method. (Incremental_checker::can_incrementally_link_output_file): Use Sized_incremental_binary::check_inputs. (Incremental_inputs::report_command_line): Save command line in command_line_. * incremental.h: (Incremental_binary::find_incremental_inputs_section): New method. (Incremental_binary::do_find_incremental_inputs_section): Add strtab_shndx parameter. (Incremental_binary::do_check_inputs): New pure virtual method. (Sized_incremental_binary::do_check_inputs): Declare. (Incremental_checker::Incremental_checker): Add incremental_inputs parameter, use it to initialize incremental_inputs_. (Incremental_checker::incremental_inputs_): New field. (Incremental_checker::command_line): New method. (Incremental_checker::inputs): New method. (Incremental_checker::command_line_): New field. 2009-10-09 Mikolaj Zalewski * incremental.cc: Include 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. 2009-10-07 Viktor Kutuzov * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend): New function. (Arm_relocate_functions::insert_val_arm_movw_movt): New function. (Arm_relocate_functions::extract_thumb_movw_movt_addend): New function. (Arm_relocate_functions::insert_val_thumb_movw_movt): New function. (Arm_relocate_functions::movw_abs_nc): New function. (Arm_relocate_functions::movt_abs): New function. (Arm_relocate_functions::thm_movw_abs_nc): New function. (Arm_relocate_functions::thm_movt_abs): New function. (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS, R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS. (Scan::global): Likewise. (Relocate::relocate): Likewise. (Relocatable_size_for_reloc::get_size_for_reloc): Likewise. 2009-10-07 Viktor Kutuzov * arm.cc (Arm_relocate_functions::got_prel) New function. (Scan::local, Scan::global): Handle R_ARM_GOT_PREL. (Relocate::relocate): Likewise. (Relocatable_size_for_reloc::get_size_for_reloc): Likewise. 2009-10-06 Ian Lance Taylor * 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 Ian Lance Taylor * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field. (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE. When handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push the address on ldo_addrs_. (Target_i386::Relocate::fix_up_ldo): New function. 2009-10-06 Rafael Espindola * plugin.cc (add_input_library): New. (Plugin::load): Add add_input_library to tv. (Plugin_manager::add_input_file): Add the is_lib argument. (add_input_file): Update call to Plugin_manager::add_input_file. (add_input_library): New. * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument. 2009-09-30 Doug Kwan * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function symbol and call Symbol::may_need_copy_reloc to determine if a copy reloc is needed. * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z nocopyreloc is given in command line. (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not given in command line. * i386.cc (Target_i386::may_need_copy_reloc): Remove. (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead of the removed Target_i386::may_need_copy_reloc. * options.h (copyreloc): New option with default value false. * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove. (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc instead of the removed Target_powerpc::may_need_copy_reloc. * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove. (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc instead of the removed Target_sparc::may_need_copy_reloc. * symtab.h (Symbol::may_need_copy_reloc): New method definition. * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove. (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc instead of the removed Target_x86_64::may_need_copy_reloc. 2009-09-30 Ian Lance Taylor * 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. 2009-09-26 Ian Lance Taylor * testsuite/initpri1.c: Don't try to use constructor priorities if compiling with gcc before 4.3. 2009-09-22 Mikolaj Zalewski * testsuite/retain_symbols_file_test.sh (check_present): Change output file name to retain_symbols_file_test.stdout. (check_absent): Likewise. 2009-09-18 Craig Silverstein * object.cc (Sized_relobj::do_count): Test should_retain_symbol map. * options.cc: Include and . (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 Nick Clifton * po/es.po: Updated Spanish translation. 2009-09-17 Doug Kwan * 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. 2009-09-17 Viktor Kutuzov * arm.cc (has_signed_unsigned_overflow): New function. (Arm_relocate_functions::abs8): New function. (Target_arm::Scan::local): Handle R_ARM_ABS8. (Target_arm::Scan::global): Likewise. (Target_arm::relocate::relocate): Likewise. (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Likewise. 2009-09-16 Cary Coutant * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files. * testsuite/Makefile.in: Regenerate. 2009-09-11 Nick Clifton * po/gold.pot: Updated by the Translation project. 2009-09-08 Cary Coutant * output.cc (Output_file::open): Add execute permission to empty file. * testsuite/Makefile.am (permission_test): New test. * testsuite/Makefile.in: Regenerate. 2009-09-02 Ian Lance Taylor * output.cc (Output_file::resize): Call map_no_anonymous rather than map. 2009-09-01 Mikolaj Zalewski * gold.cc: Include "incremental.h". (queue_initial_tasks): Call Incremental_checker methods. * incremental.cc: Include "output.h". (Incremental_checker::can_incrementally_link_output_file): New method. * incremental.h (Incremental_checker): New class. * output.cc (Output_file::open_for_modification): New method. (Output_file::map_anonymous): Changed return type to bool. Record map in base_ field. (Output_file::map_no_anonymous): New method, broken out of map. (Output_file::map): Use map_no_anonymous and map_anonymous. * output.h (class Output_file): Update declarations. 2009-08-24 Cary Coutant * options.h (Command_line::Pre_options): New class. (Command_line::pre_options): New member. * options.cc (gold::options::ready_to_register): New variable. (One_option::register_option): Do nothing if not registering options. Assert if same short option registered twice. (General_options::General_options): Turn off option registration when done constructing. (Command_line::Pre_options::Pre_options): New constructor. 2009-08-24 Cary Coutant * options.h (General_options::no_keep_memory): Remove incorrect short option. 2009-08-24 Ralf Wildenhues * Makefile.am (am__skiplex, am__skipyacc): New. * Makefile.in: Regenerate. 2009-08-22 Ralf Wildenhues * Makefile.am (AM_CPPFLAGS): Renamed from ... (INCLUDES): ... this. * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability. (AM_CPPFLAGS): Renamed from ... (INCLUDE): ... this. * Makefile.in, testsuite/Makefile.in: Regenerate. * Makefile.in: Regenerate. * aclocal.m4: Likewise. * config.in: Likewise. * configure: Likewise. * testsuite/Makefile.in: Likewise. * Makefile.am (AUTOMAKE_OPTIONS): Add foreign. * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign. * Makefile.in: Regenerate. * testsuite/Makefile.in: Regenerate. 2009-08-19 Cary Coutant * resolve.cc (Symbol_table::resolve): Don't complain about defined symbols in shared libraries overridden by hidden or internal symbols in the main program. 2009-08-19 Chris Demetriou * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when checking source file names in error messages. 2009-08-18 Doug Kwan * 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. 2009-08-14 Ian Lance Taylor * gold.h (FUNCTION_NAME): Define. (gold_unreachable): Use FUNCTION_NAME. 2009-08-12 Sriraman Tallam * icf.cc (Icf::find_identical_sections): Issue a warning when a symbol in the --keep-unique list is not found. 2009-08-12 Sriraman Tallam * icf.cc (Icf::find_identical_sections): Unfold symbols that have been maked as --keep-unique. (Icf::unfold_section): New function. * icf.h (Icf::unfold_section): New function. * options.h (General_options::keep_unique): New option. * testsuite/Makefile.am: Add commands to build icf_keep_unique_test. * testsuite/Makefile.in: Regenerate. * testsuite/icf_keep_unique_test.sh: New file. * testsuite/icf_keep_unique_test.cc: New file. 2009-08-12 Cary Coutant PR 10471 * resolve.cc (Symbol_table::resolve): Check for references from dynamic objects to hidden and internal symbols. * testsuite/Makefile.am (hidden_test.sh): New test. * testsuite/Makefile.in: Regenerate. * testsuite/hidden_test.sh: New script. * testsuite/hidden_test_1.c: New test source. * testsuite/hidden_test_main.c: New test source. 2009-08-11 Doug Kwan * arm.cc: Update comments. (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX segment to locate the .ARM.exidx section if present. 2009-08-09 Doug Kwan * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous patch. 2009-08-07 Sriraman Tallam * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid compiler warnings. 2009-08-06 Sriraman Tallam * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a valid tls_segment only for non-debug-section relocations. * testsuite/Makefile.am: Add gc_tls_test. * testsuite/Makefile.in: Regenerate. * testsuite/gc_tls_test.cc: New file. * testsuite/gc_tls_test.sh: New file. 2009-08-05 Sriraman Tallam * icf.cc: New file. * icf.h: New file. * Makefile.am (CCFILES): Add icf.cc. (HFILES): Add icf.h * Makefile.in: Regenerate. * dynobj.h (Sized_dynobj::do_section_entsize): New function. * gc.h (gc_process_relocs): Populate lists used by icf to contain section, symbol and addend information for the relocs. * gold.cc (queue_middle_tasks): Call identical code folding. * gold.h: Add defines for multimap. * layout.cc (Layout::create_symtab_sections): Add symtab as parameter to the call of finalize_local_symbols. * main.cc (main): Create object of class Icf. * object.cc (Sized_relobj::do_layout): Allow this function to be called twice during icf. (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding to sections marked as identical by icf. (Sized_relobj::do_section_flags): Get section_flags from Symbols_data when available. (Sized_relobj::do_section_entsize): New function. * object.h (Object::section_entsize): New function. (Object::do_section_entsize): New pure virtual function. (Relobj::finalize_local_symbols): Add new parameter. (Relobj::do_section_entsize): New function. * options.h (General_options::icf): New option. (General_options::icf_iterations): New option. (General_options::print_icf_sections): New option. * plugin.cc (Sized_pluginobj::do_section_entsize): New function. * plugin.h (Sized_pluginobj::do_section_entsize): New function. * reloc.cc (Read_relocs::run): Delay scanning relocs when doing icf. * symtab.cc (Symbol_table::is_section_folded): New function. (Symbol_table::sized_finalize_symbol): Fold symbols corresponding to sections marked as identical by icf. * symtab.h (Symbol_table::set_icf): New function. (Symbol_table::icf): New function. (Symbol_table::is_section_folded): New function. (Symbol_table::icf_): New data member. * target-reloc.h (relocate_section): Ignore sections folded by icf. * testsuite/Makefile.am: Add commands to build icf_test. * testsuite/Makefile.in: Regenerate. * testsuite/icf_test.sh: New file. * testsuite/icf_test.cc: New file. 2009-07-24 Chris Demetriou * layout.cc (is_compressible_debug_section): Fix incorrect comment about compressed section names. 2009-07-20 Ian Lance Taylor PR 10419 * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences. 2009-07-16 Ian Lance Taylor PR 10400 * layout.h: #include . (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. 2009-07-09 Ian Lance Taylor * merge.cc (Object_merge_map::initialize_input_to_output_map): Reserve space in the hash table. 2009-07-06 Mikolaj Zalewski * fileread.cc (File_read::get_mtime): New method. * fileread.h (Timespec): New structure. (File_read::get_mtime): New method. * incremental.cc (Incremental_inputs_entry_data::timestamp_usec): Renamed from timestamp_nsec. (Incremental_inputs_entry_write::timestamp_sec): Fix argument to Elf_Xword. (Incremental_inputs_entry_write::timestamp_usec): Renamed from timestamp_nsec. (Incremental_inputs::report_archive): Save mtime; style fix. (Incremental_inputs::report_obejct): Save mtime; style fix. (Incremental_inputs::report_script): Save mtime; style fix. (Incremental_inputs::finalize_inputs): Style fix. (Incremental_inputs::finalize): Style fix. (Incremental_inputs::create_input_section_data): Store inputs mtime. * incremental.h (Incremental_inputs::report_script): Add mtime argument. (Incremental_inputs::Input_info::Input_info): Intialize only one union member. (Incremental_inputs::Input_info::archive): Move to nameless union. (Incremental_inputs::Input_info::obejct): Move to nameless union. (Incremental_inputs::Input_info::script): Move to nameless union. (Incremental_inputs::mtime): New field. * script.cc (read_input_script): Pass file mtime to Incremental_input. * script.h (Script_info::inputs): Style fix. 2009-07-01 Ian Lance Taylor * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size instead of 32. 2009-06-24 Ian Lance Taylor PR 10156 * layout.cc (Layout::choose_output_section): If we find an existing section, update the flags. (Layout::create_notes): New function, broken out of Layout::finalize. (Layout::finalize): Don't create note sections. (Layout::create_note): Don't crash if linker script discards section. (Layout::create_gold_note): Likewise. (Layout::create_build_id): Likewise. Don't set after_input_sections on the section. (Layout::create_executable_stack_info): Remove target parameter. Change caller. * layout.h (class Layout): Declare create_notes. Update declaration of create_executable_stack_info. * gold.cc (queue_middle_tasks): Call create_notes. * output.cc (Output_section::update_flags_for_input_section): Move here from output.h. If SHF_ALLOC flag is newly set, mark address invalid. * output.h (Output_data::mark_address_invalid): New function. (class Output_section): Only declare, not define, update_flags_for_input_section. Remove set_flags. 2009-06-24 Ian Lance Taylor * script-sections.cc (Output_section_definition:: set_section_addresses): Rename shadowing local load_address to laddr. 2009-06-24 Ian Lance Taylor PR 10244 * reloc.cc (relocate_sections): Skip empty relocation sections. 2009-06-23 Ian Lance Taylor PR 10156 * layout.cc (Layout::create_note): Use choose_output_section rather than make_output_section. 2009-06-23 Ian Lance Taylor PR 10237 * options.cc (General_options::parse_V): Set printed_version_. (General_options::General_options): Initialize printed_version_. * options.h (class General_options): Add printed_version_ field. * gold.cc (queue_initial_tasks): If there are no input files, don't give a fatal error if we printed the version information. (queue_middle_tasks): If using -r with a shared object, give a fatal error rather than an ordinary error. 2009-06-23 Ian Lance Taylor PR 10219 * layout.cc (Layout::Layout): Initialize have_stabstr_section_. (Layout::make_output_section): Set have_stabstr_section_ if we see a .stab*str section. (Layout::finalize): Call link_stabs_sections. (Layout::link_stabs_sections): New file. * layout.h (class Layout): Add have_stabstr_section_ field. Declare link_stabs_sections. 2009-06-23 Doug Kwan * Makefile.am (libgold_a_LIBADD): New. (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS * Makefile.in: Regenerate. * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New. * configure: Regenerate. * configure.ac (AC_CHECK_DECLS): Add strndup and memmem. * fileread.cc: Include sys/state.h * gold.h: Declare memmem and strndup if found missing. * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined. 2009-06-23 Ian Lance Taylor * configure.ac: Call AC_CHECK_DECLS using C, not C++. * configure: Rebuild. 2009-06-23 Ian Lance Taylor 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 Ian Lance Taylor PR 10133 * stringpool.h (class Stringpool_template): Add optimize_ field. (Stringpool_template::set_optimize): New function. * stringpool.cc (Stringpool_template::Stringpool_template): Initialize optimize_ field. (Stringpool_template::set_string_offsets): Test local optimize fild rather than parameter. * layout.cc (Layout::Layout): Call set_optimize on the section name stringpool. 2009-06-22 Ian Lance Taylor PR 10030 * yyscript.y: Parse TARGET. * script.cc (script_set_target): New function. * script-c.h (script_set_target): Declare. * options.cc (General_options::string_to_object_format): Rename from string_to_object_format in anonymous namespace. Change callers. * options.h (class General_options): Declare string_to_object_format. 2009-06-22 Ian Lance Taylor * script-sections.cc (Script_sections::create_segments): Don't put program headers in a PT_LOAD segment if -n or -N. 2009-06-22 Ian Lance Taylor PR 10141 * options.h (class General_options): Add -z lazy and -z now. Sort -z options into alphabetical order. * layout.cc (Layout::finish_dynamic_section): Handle -z now. 2009-06-21 Ian Lance Taylor * 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. 2009-06-05 Doug Kwan * 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 Doug Kwan * 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. 2009-06-04 Doug Kwan * layout.cc (Layout::section_name_mapping): Add mapping for special ARM sections. 2009-06-03 Doug Kwan * arm.cc (utils::sign_extend): Reverse test in gold_assert. (utils::has_overflow): Same. 2009-06-03 Ian Lance Taylor * layout.cc (Layout::section_name_mapping): New array, replacing Layout::linkonce_mapping. (Layout::section_name_mapping_count): New variable, replacing Layout::linkonce_mapping_count. (Layout::linkonce_output_name): Remove. (Layout::output_section_name): Rewrite. * layout.h (class Layout): Rename Linkonce_mapping to Section_name_mapping, linkonce_mapping to section_name_mapping, linkonce_mapping_count to section_name_mapping_count. Don't declare linkonce_output_name. 2009-06-03 Doug Kwan * gold/arm.cc (namespace utils): New. (Target_arm::reloc_is_non_pic): Define new method. (class Arm_relocate_functions): New. (Target_arm::Relocate::relocate): Handle relocation types used by Android. 2009-06-03 Ian Lance Taylor * arm.cc (Target_arm::scan::global): Use || instead of |. 2009-06-02 Doug Kwan * gold/arm.cc (Target_arm::Scan::Scan): Initialize issued_non_pic_error_. (class Target_arm::Scan): Declare new method check_non_pic. Define new method symbol_needs_plt_entry. Declare new data member issued_non_pic_error_. (class Target_arm::Relocate): Declare new method should_apply_static_reloc. (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC. (Target_arm::Scan::check_non_pic): Define new method. (Target_arm::Scan::local): Handle a small subset of reloc types used by Android. (Target_arm::Scan::local): Same. (Target_arm::Relocate::should_apply_statci_reloc): Define new method. 2009-05-31 Mikolaj Zalewski * incremental.cc (Incremental_inputs::report_command_line): Filter out --incremental-* options. 2009-05-29 Doug Kwan * gold/arm.cc (Output_data_plt_arm): Forward declaration for new template class. (class Target_arm): Update comment. (Target_arm::Target_arm): Initialize new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_. Declare new methods Target_arm::got_section, Target_arm::make_plt_entry and Target_arm::rel_dyn_section. Declare new_enum Target_arm::Got_type. Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_. Update commments for member do_dynsym_value. (Target_arm::got_size, Target_arm::plt_section, Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define new methods inside class defintion. (Target_arm::got_section): Define new method. (Target_arm::rel_dyn_section): Same. (Output_data_plt_arm): New template class. (Output_data_plt_arm::Output_data_plt_arm): Define constructor. (Output_data_plt_arm:do_adjust_output_section): Define new method. (Output_data_plt_arm::add_entry): Same. (Output_data_plt_arm::first_plt_entry): Define new static data member for PLT instruction template. (Output_data_plt_arm::plt_entry): Same. (Output_data_plt_arm::do_write): Define new method. (Target_arm::make_plt_entry): Same. (Target_arm::do_finalize_sections): Same. (Target_arm::do_dynsym_value): Same. 2009-05-28 Doug Kwan * Makefile.am (TARGETSOURCES): Add arm.cc. (ALL_TARGETOBJECTS): Add arm.$(OBJEXT) * Makefile.in: Regenerate. * arm.cc: New file. * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets. 2009-05-26 Doug Kwan * options.cc (General_options::parse_exclude_libs). Fix a comment. (General_options::check_excluded_libs): Strip off directories in archive name before matching like GNU ld does. * testsuite/Makefile.am (MOSTLYCLEANFILES, exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a (exclude_libs_test_LDFLAGS): Add linker option -Wl,--exclude-libs,libexclude_libs_test_3 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as an explicit archive without using -l. (alt/libexclude_libs_test_3.a): New make rule. * testsuite/Makefile.in: Regenerate. * testsuite/exclude_libs_test.c : Declare lib3_default(). (main): Call it. * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a. * exclude_libs_test_3.c: New file. 2009-05-26 Nick Clifton * po/id.po: New Indonesian translation. * po/gold.pot: Updated template file. 2009-05-22 Sriraman Tallam * testsuite/Makefile.am: Add -ffunction-sections to compile gc_comdat_test files. Add -Wl,--gc-sections to build gc_comdat_test. * testsuite/Makefile.in: Regenerate. * testsuite/gc_comdat_test.sh: Fix the condition around grep. 2009-05-21 Sriraman Tallam * 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. 2009-05-19 Doug Kwan * archive.cc (Archive::Archive): Move constructor from archive.h to here. Initialize no_export_. (Archive::get_elf_object_for_member): Set no_export flag of object. * archive.h (Archive::Archive): Move constructor body to archive.cc. (Archive::no_export): New method. (Archive::no_export_): New field. * object.h (Object::Object): Initialize no_export_ to false. (Object::no_export, Object::set_no_export): New methods. (Object::no_export_): New field. * options.cc (General_options::parse_exclude_libs): New method. (General_options::check_excluded_libs) Same. * options.h (exclude_libs): New option. (General_options::check_excluded_libs): New method declaration. (General_options::excluded_libs_): New field. * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with default or protected visibility if an object has no-export flag set. testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test. (check_SCRIPTS): Add exclude_libs_test.sh. (check_DATA): Add exclude_libs_test.syms. (MOSTLYCLEANFILES): Add exclude_libs_test.syms, libexclude_libs_test_1.a and libexclude_libs_test_2.a. (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES, exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define. (exclude_libs_test.syms, libexclude_libs_test_1.a, libexclude_libs_test_2.a): New rules. * testsuite/Makefile.in: Regenerate. * testsuite/exclude_libs_test.c: New file. * testsuite/exclude_libs_test.sh: Ditto. * testsuite/exclude_libs_test_1.c: Ditto. * testsuite/exclude_libs_test_2.c: Ditto. 2009-05-15 Ian Lance Taylor * configure.ac: Check for declarations for cases where libiberty.h checks HAVE_DECL_xxx. * configure, config.in: Rebuild. 2009-05-15 Mikolaj Zalewski * gold.h (Incremental_argument_list): Remove (invalid) forward declaration. * incremental.cc (Incremental_inputs::report_achive): New method. (Incremental_inputs::report_object): New method. (Incremental_inputs::report_script): New method. (Incremental_inputs::finalize_inputs): New method. (Incremental_inputs::finalize): Call finalize_inputs(). (Incremental_inputs::sized_create_incremental_inputs_section_data): Create inputs entries. * incremental.h (Incremental_input_type): New enum. (Incremental_inputs::Incremental_input): Initialize new fields. (Incremental_inputs::report_inputs): New method. (Incremental_inputs::report_achive): New method. (Incremental_inputs::report_object): New method. (Incremental_inputs::report_script): New method. (Incremental_inputs::finalize_inputs): New method. (Incremental_inputs::Input_info): New struct. (Incremental_inputs::Input_info_map): New typedef. (Incremental_inputs::lock_): New field. (Incremental_inputs::Inputs_): New field. (Incremental_inputs::Inputs_map): New field. * main.cc (main): Call Incremental_input::report_inputs. * options.h (Input_argument_list): Typedef moved from Input_arguments. (Input_file_group::Files): Remove, use ::Input_argument_list. (Input_file_group::Input_argument_list): Remove, use ::Input_argument_list. * plugin.cc (Plugin_manager::add_input_file): Add error in incremental build. * read_syms.cc (do_read_syms): Call Incremental_input::report_* functions. * script.cc (read_input_script): Call Incremental_input::report_script. * script.h (Script_info): New class. 2009-04-27 Ian Lance Taylor * x86_64.cc (do_adjust_output_section): Set entsize to plt_entry_size. 2009-04-23 Elliott Hughes * output.cc (Output_file::close): After short writes, continue writing from the correct offset in the buffer being written. 2009-04-23 Chris Demetriou * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define. * configure: Regenerate. * config.in: Regenerate. * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set if HAVE_TR1_UNORDERED_MAP_REHASH is not defined. 2009-04-21 Mikolaj Zalewski * incremental.cc (Incremental_inputs_header_data): Renamed from Incremental_input_header_data. (Incremental_inputs_header_data::data_size): New field. (Incremental_inputs_header_data::put_input_file_count): Renamed from input_file_count. (Incremental_inputs_header_data::put_command_line_offset): Renamed from command_line_offset. (Incremental_inputs_header_data::put_reserved): Renamed from put_reserved. (Incremental_inputs_entry_data): Renamed from Incremental_input_entry_data. (Incremental_inputs_entry_data::data_size): New field. (Incremental_inputs::report_command_line): New method. (Incremental_inputs::finalize): New method. (Incremental_inputs::create_incremental_inputs_data): New method. (Incremental_inputs::sized_create_incremental_inputs_data): New method. * incremental.h: New file. * layout.cc (Layout::Layout): Handle new incremental_inputs_. (Layout::finalize): Create incremental inputs section in incremental builds. (Layout::create_incremental_info_sections): New method. * layout.h (Layout::incremental_inputs): New method. (Layout::create_incremental_info_sections): New method. (Layout::incremental_inputs_): New field. * main.cc (main): Notify Incremental_input of the command line. 2009-04-01 Ian Lance Taylor Mikolaj Zalewski * gold.h (reserve_unordered_map): Define, three versions, one for each version of Unordered_map. * layout.cc (Layout::Layout): Remove options parameter. Add number_of_input_files parameter. Don't initialize options_. Initialize number_of_input_files_ and resized_signatures_. Move sections_are_attached_. (Layout::layout_group): Reserve space for group_signatures_. (Layout::find_or_add_kept_section): Change name parameter to be a reference. Resize signatures_ map when it gets large enough. (Layout::layout_eh_frame): Use parameters->options() instead of this->options_. (Layout::make_output_section): Likewise. (Layout::attach_allocated_section_to_segment): Likewise. (Layout::finalize, Layout::create_executable_stack): Likewise. (Layout::set_segment_offsets, Layout::create_interp): Likewise. (Layout::finish_dynamic_section, Layout::write_binary): Likewise. * layout.h (class Layout): Update declarations. Remove options_ field. Add number_of_input_files_ and resized_signatures_ fields. Move sections_are_attached_ field. * main.cc (main): Pass number of input files to Layout constructor. Don't pass options. 2009-03-30 Ian Lance Taylor * ffsll.c (ffsll): Correct implementation. 2009-03-27 Ian Lance Taylor * ffsll.c: New file. * configure.ac: Call AC_REPLACE_FUNCS on ffsll. * gold.h (ffsll): Declare if HAVE_FFSLL is not defined. * ftruncate.c (ftruncate): Declare before definition. * mremap.c (mremap): Likewise. * pread.c (pread): Likewise. * configure, Makefile.in, config.in: Rebuild. * mremap.c: New file. * configure.ac: Call AC_REPLACE_FUNCS on mremap. * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined. (mremap): Declare if HAVE_MREMAP is not defined. * configure, Makefile.in, config.in: Rebuild. 2009-03-27 Cary Coutant * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is position independent. * sparc.cc (Target_sparc::check_non_pic): Likewise. * x86_64.cc (Target_x86_64::check_non_pic): Likewise. 2009-03-24 Cary Coutant * symtab.h (needs_plt_entry): Check for unsatisfied reference from an executable. (needs_dynamic_reloc): Likewise. 2009-03-24 Ian Lance Taylor * yyscript.y (file_cmd): Recognize EXTERN. (extern_name_list, extern_name_list_body): New nonterminals. * script.cc (script_add_extern): Define. * script-c.h (script_add_extern): Declare. 2009-03-24 Rafael Avila de Espindola * object.cc (is_elf_object): Define. * object.h (is_elf_object): Declare. * archive.cc (Archive::get_elf_object_for_member): Call is_elf_object. * readsyms.cc (Read_symbols::do_read_symbols): Likewise. 2009-03-24 Elliott Hughes * output.cc (Output_file::map_anonymous): Define. (Output_file::map): Use map_anonymous. If the regular mmap fails, try an anonymous one. Report the size if the mmap fails. * output.h (class Output_file): Declare map_anonymous. 2009-03-24 Ian Lance Taylor * target-select.cc (instantiate_target): Don't acquire the lock if the instantiated_target_ field has already been set. 2009-03-23 Ian Lance Taylor * gold-threads.h (class Initialize_lock): Define. * gold-threads.cc (class Initialize_lock_once): Define. (initialize_lock_control): New static variable. (initialize_lock_pointer): New static variable. (initialize_lock_once): New static function. (Initialize_lock::Initialize_lock): Define. (Initialize_lock::initialize): Define. * target-select.h: Include "gold-threads.h". (class Target_selector): Add lock_ and initialize_lock_ fields. Don't define instantiate_target, just declare it. * target-select.cc (Target_selector::Target_selector): Initialize new fields. (Target_selector::instantiate_target): Define. * descriptors.h: Include "gold-threads.h". (class Descriptors): Add initialize_lock_ field. * descriptors.cc (Descriptors::Descriptors): Initialize new field. (Descriptors::open): Use initialize_lock_ field * errors.h (class Errors): Add initialize_lock_ field. * errors.cc (Errors::Errors): Initialize new field. (Errors::initialize_lock): Use initialize_lock_ field. * powerpc.cc (class Target_selector_powerpc): Remove instantiated_target_ field. In do_recognize call instantiate_target rather than do_instantiate_target. In do_instantiate_target just allocate a new target. * sparc.cc (class Target_selector_sparc): Likewise. * freebsd.h: New file. * i386.cc: Include "freebsd.h". (Target_i386): Derive from Target_freebsd rather than Sized_target. (Target_selector_i386): Derive from Target_selector_freebsd rather than Target_selector. * x86_64.cc: Include "freebsd.h". (Target_x86_64): Derive from Target_freebsd rather than Sized_target. (Target_selector_x86_64): Derive from Target_selector_freebsd rather than Target_selector. * target.h (class Target): Add adjust_elf_header and do_adjust_elf_header. * output.cc (Output_file_header:: do_sized_write): Call target adjust_elf_header routine. * configure.tgt: Set targ_osabi. * configure.ac: Define GOLD_DEFAULT_OSABI. * parameters.cc (Parameters::default_target): Pass GOLD_DEFAULT_OSABI to select_target. * target-select.h (class Target_selector): Make instantiate_target protected rather than private. * Makefile.am (HFILES): Add freebsd.h. * configure, Makefile.in, config.in: Rebuild. * merge.cc (do_add_input_section): Correct pend value. Change message about last entry not being null terminated from error to warning. 2009-03-20 Mikolaj Zalewski * incremental.cc: New file. * Makefile.am (CCFILES): Add incremental.cc. * Makefile.in: Rebuild. 2009-03-19 Paul Pluzhnikov * layout.cc (Layout::output_section_name): Preserve names of '.note.' sections. 2009-03-19 Ian Lance Taylor * descriptors.cc (Descriptors::open): Check that the options are valid before using them. 2009-03-18 Ian Lance Taylor * script-sections.h: Include . (class Script_sections): Change Sections_elements from std::vector to std::list. Typedef public Elements_iterator. Add orphan_section_placement_, data_segment_align_start_, and saw_data_segment_align_ fields. Remove data_segment_align_index_ field. * script-sections.cc (class Orphan_section_placement): New class. (class Sections_element): Add virtual functions is_relro and orphan_section_init. Remove virtual function place_orphan_here. (class Output_section_definition): Add is_relro and orphan_section_init. Remove place_orphan_here. (class Orphan_output_section): Likewise. (Script_sections::Script_sections): Update for field changes. (Script_sections::data_segment_align): Set saw_data_segment_align_ and data_segment_align_start_, not data_segment_align_index. (Script_sections::data_segment_relro_end): Check saw_data_segment_align_. Use data_segment_align_start_ rather than data_segment_align_index_. (Script_sections::place_orphan): Rewrite to use Orphan_section_placement. 2009-03-17 Ian Lance Taylor * archive.cc (Archive::add_symbols): Check for a version attached to the symbol name in the archive map. * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11. (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define. (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define. (ver_test_11.a): New target. * testsuite/Makefile.in: Rebuild. * configure.ac: Check for chsize and posix_fallocate. Replace ftruncate. * ftruncate.c: New file, from gnulib. * output.cc (posix_fallocate): Define dummy version if not HAVE_POSIX_FALLOCATE. (Output_file::map): Call posix_fallocate rather than lseek and write. * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE. * configure, Makefile.in, config.in: Rebuild. 2009-03-17 Paul Pluzhnikov * layout.h (Layout::create_note): Add section_name parameter. * layout.cc (Layout::create_note): Likewise. (Layout::create_build_id, Layout::create_gold_note): Fix callers. 2009-03-17 Ian Lance Taylor * descriptors.cc: Include "options.h". (FD_CLOEXEC, O_CLOEXEC): Define if not defined. (Descriptors::open): Always use O_CLOEXEC when opening a new descriptor. If we have a plugin, and O_CLOEXEC was not defined, then set FD_CLOEXEC. * sparc.cc (class Target_sparc): Add has_got_section. (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_, make sure we have a GOT section. * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD. (Target_sparc::Scan::local): Likewise. (Target_sparc::Scan::global): Likewise. (Target_sparc::Relocate::relocate): Likewise. (Target_sparc::Relocate::relocate_tls): Likewise. * symtab.cc (Symbol_table::define_default_version): New function, broken out of add_from_object. (Symbol_table::add_from_object): Call define_default_version. (Symbol_table::define_special_symbol): Add resolve_oldsym parameter. Change all callers. If the version for a symbol comes from a version script, resolve it with the symbol with the same name with no version. Also add the symbol without a version if appropriate. (do_define_in_output_data): If resolving with oldsym, don't delete sym. (do_define_in_output_segment): Likewise. (do_define_as_constant): Likewise. * symtab.h (class Symbol_table): Update declarations. 2009-03-13 Ian Lance Taylor * 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. * fileread.cc (Input_file::open): Remove options parameter. Change all callers. (Input_file::open_binary): Likewise. * script.cc (read_input_script): Likewise. * readsyms.h (class Read_symbols): Remove options_ field. Remove options parameter from constructor. Change all callers. (class Read_script): Likewise. * fileread.h (class Input_file): Update declarations. * script.h (read_input_script): Update declaration. 2009-03-10 Nick Clifton * po/es.po: New Spanish translation. 2009-03-06 Cary Coutant * options.cc (parse_short_option): Keep dash_z from registering itself. 2009-03-03 Ian Lance Taylor PR 9918 * target-reloc.h (relocate_section): Pass output_section to relocate. * i386.cc (Target_i386::should_apply_static_reloc): Add output_section parameter. Change all callers. (Target_i386::Relocate::relocate): Add output_section parameter. * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise. * sparc.cc (Target_sparc::Relocate::relocate): Likewise. * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise. * testsuite/two_file_shared.sh: New script. * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh. (check_DATA): Add two_file_shared.dbg. (two_file_shared.dbg): New target. * testsuite/Makefile.in: Rebuild. 2009-03-01 Ian Lance Taylor * configure.ac: Check for byteswap.h. * configure: Rebuild. * config.in: Rebuild. 2009-03-01 Mikolaj Zalewski * 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. 2009-02-28 Ian Lance Taylor * README: --gc-sections and map files are now supported. Document some build requirements. 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. 2009-02-27 Ian Lance Taylor 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. PR 5990 * descriptors.h (Open_descriptor): Add is_on_stack field. * descriptors.cc (Descriptors::open): If the descriptor is on the top of the stack, remove it. Initialize is_on_stack field. (Descriptors::release): Only add pod to stack if it is not on the stack already. (Descriptors::close_some_descriptor): Clear stack_next and is_on_stack fields. 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. PR 9836 * symtab.cc (Symbol_table::add_from_object): If the visibility is hidden or internal, force the symbol to be local. * resolve.cc (Symbol::override_visibility): Define. (Symbol::override_base): Use override_visibility. (Symbol_table::resolve): Likewise. (Symbol::override_base_with_special): Likewise. (Symbol_table::override_with_special): If the visibility is hidden or internal, force the symbol to be local. * symtab.h (class Symbol): Add set_visibility and override_visibility. * testsuite/ver_test_1.sh: New file. * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh. (check_DATA): Add ver_test_1.syms. (ver_test_1.syms): New target. * testsuite/Makefile.in: Rebuild. 2009-02-25 Cary Coutant * layout.cc (Layout::choose_output_section): Don't rename sections when using a linker script that has a SECTIONS clause. * Makefile.in: Regenerate. * testsuite/Makefile.am (script_test_5.sh): New test case. * testsuite/Makefile.in: Regenerate. * testsuite/script_test_5.cc: New file. * testsuite/script_test_5.sh: New file. * testsuite/script_test_5.t: New file. 2009-02-13 Rafael Avila de Espindola * archive.cc (Archive::include_member): Update calls to add_symbols. * dynobj.cc (Sized_dynobj::make_version_map): Add the Layout argument. * dynobj.h (do_add_symbols): Add the Layout argument. * object.cc (Sized_relobj::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::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. 2009-02-06 Ian Lance Taylor * object.cc (Sized_relobj::do_layout): Make info message start with lower case letter. 2009-02-06 Mikolaj Zalewski * binary.cc: Fix file comment. * options.h (enum Incremental_disposition): Define. (class General_options): Add new options: --incremental, --incremental_changed, --incremental_unchanged, --incremental_unknown. Add incremental_disposition_ and implicit_incremental_ fields. (General_options::incremental_disposition): New function. (class Position_dependent_options): Add incremental_disposition option. (Position_dependent_options::copy_from_options): Set incremental dispositions. * options.cc (General_options::parse_incremental_changed): New function. (General_options::parse_incremental_unchanged): New function. (General_options::parse_incremental_unknown): New function. (General_options::General_options): Initialize new fields incremental_disposition_ and implicit_incremental_. (General_options::finalize): Check for uasge of --incremental-* without --incremental. 2009-02-06 Chris Demetriou * gold.h (gold_undefined_symbol): Change to take only a Symbol pointer and to report location as the file name associated with the symbol. (gold_undefined_symbol_at_location): New function to replace the old gold_undefined_symbol functionality. * target-reloc.h (relocate_section): Update to use gold_undefined_symbol_at_location. * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol): Call gold_undefined_symbol function rather than gold_error. * errors.h (Errors::undefined_symbol): Take location as a string, rather than calculating it from a relocation. * errors.cc (Errors::fatal): Print "fatal error:" before the formatted message. (Errors::error, Errors::error_at_location): Print "error: " before the formatted message. (Errors::undefined_symbol): Take location as a string, rather than calculating it from a relocation. (gold_undefined_symbol_at_location): New function akin to old gold_undefined_symbol, calculates location from relocation. (gold_undefined_symbol): Change to take only a Symbol pointer and to report location as the file name associated with the symbol. * testsuite/debug_msg.sh: Update for changed error messages. * testsuite/undef_symbol.sh: Likewise. 2009-02-04 Duncan Sands PR 9812 * reduced_debug_output.h (Output_reduced_debug_abbrev_section::failed): Use format for gold_warning. (Output_reduced_debug_info_section::faild): Likewise. 2009-01-31 Mikolaj Zalewski * script.cc (Lazy_demangler): New class. (Version_script_info::get_symbol_version_helper): Demangle a symbol only once. 2009-01-29 Cary Coutant * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls to __tls_get_addr. * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise. 2009-01-28 Ian Lance Taylor * version.cc (version_string): Bump to 1.9. * gold.h: Include and . * version.cc: Include . * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a warning. * reduced_debug_output.cc (insert_into_vector): Rename from Insert_into_vector; change all callers. Use Swap_unaligned to avoid aliasing issue; remove union since it is unnecessary. 2009-01-27 Sriraman Tallam * Makefile.am (CCFILES): Add gc.cc. (HFILES): Add gc.h. * Makefile.in: Regenerate. * gold.cc (Gc_runner): New class. (queue_initial_tasks): Call garbage collection related tasks when corresponding options are invoked. (queue_middle_gc_tasks): New function. (queue_middle_tasks): Reorder tasks to allow relocs to be read and processed early before laying out sections during garbage collection. * gold.h (queue_middle_gc_tasks): New function. (is_prefix_of): Move from "layout.cc". * i386.cc (Target_i386::gc_process_relocs): New function. * layout.cc (is_prefix_of): Remove. Move to "gold.h" * main.cc (main): Create object of class "Garbage_collection". * object.cc (Relobj::copy_symbols_data): New function. (Relobj::is_section_name_included): New function. (Sized_relobj::do_layout): Allow this function to be called twice during garbage collection and defer layout of section during the first call. * object.h (Relobj::get_symbols_data): New function. (Relobj::is_section_name_included): New function. (Relobj::copy_symbols_data): New function. (Relobj::set_symbols_data): New function. (Relobj::get_relocs_data): New function. (Relobj::set_relocs_data): New function. (Relobj::is_output_section_offset_invalid): New pure virtual function. (Relobj::gc_process_relocs): New function. (Relobj::do_gc_process_relocs): New pure virtual function. (Relobj::sd_): New data member. (Sized_relobj::is_output_section_offset_invalid): New function. (Sized_relobj::do_gc_process_relocs): New function. * options.h (General_options::gc_sections): Modify to not be a no-op. (General_options::print_gc_sections): New option. * plugin.cc (Plugin_finish::run): Remove function call to Plugin_manager::layout_deferred_objects. Move it to "gold.cc". * powerpc.cc (Target_powerpc::gc_process_relocs): New function. * reloc.cc (Read_relocs::run): Add task to process relocs and determine unreferenced sections when doing garbage collection. (Gc_process_relocs): New class. (Sized_relobj::do_gc_process_relocs): New function. (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for sections that are garbage collected. * reloc.h (Gc_process_relocs): New class. * sparc.cc (Target_sparc::gc_process_relocs): New function. * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for symbols whose corresponding sections are garbage collected. (Symbol_table::Symbol_table): Add new parameter for the garbage collection object. (Symbol_table::gc_mark_undef_symbols): New function. (Symbol_table::gc_mark_symbol_for_shlib): New function. (Symbol_table::gc_mark_dyn_syms): New function. (Symbol_table::resolve): Do not treat symbols seen in dynamic objects as garbage. (Symbol_table::add_from_object): Likewise. (Symbol_table::add_from_relobj): When building shared objects, do not treat externally visible symbols as garbage. (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol table information for static and relocatable links. * symtab.h (Symbol_table::set_gc): New function. (Symbol_table::gc): New function. (Symbol_table::gc_mark_undef_symbols): New function. (Symbol_table::gc_mark_symbol_for_shlib): New function. (Symbol_table::gc_mark_dyn_syms): New function. (Symbol_table::gc_): New data member. * target.h (Sized_target::gc_process_relocs): New pure virtual function. * x86_64.cc (Target_x86_64::gc_process_relocs): New function. * testsuite/testfile.cc (Target_test::gc_process_relocs): New function. 2009-01-20 Chris Faylor * options.h (General_options::gc_sections): Define as a no-op for now. (General_options::no_keep_memory): Ditto. (General_options::Bshareable): Define. * options.cc (General_options::finalize): Honor -Bshareable. 2009-01-20 Andreas Schwab * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to read the value in the contents, since we don't use it. Use the template endianness when writing. (Relocate::relocate): Use it for R_PPC_REL16_HA. 2009-01-19 Andreas Schwab * configure.tgt (powerpc64-*): Fix targ_obj. 2009-01-15 Ian Lance Taylor * object.cc (Sized_relobj::write_local_symbols): Don't write out local symbols when stripping all symbols. 2009-01-14 Cary Coutant * output.cc (Output_reloc): Add explicit instantiations. 2009-01-14 Cary Coutant * archive.cc (Archive::get_elf_object_for_member): Remove call to File_read::claim_for_plugin. * descriptors.cc (Descriptors::open): Remove reference to is_claimed. (Descriptors::claim_for_plugin): Remove. * descriptors.h (Descriptors::claim_for_plugin): Remove. (Descriptors::is_claimed): Remove. (claim_descriptor_for_plugin): Remove. * fileread.cc (File_read::claim_for_plugin): Remove. * fileread.h (File_read::claim_for_plugin): Remove. (File_read::descriptor): Reopen descriptor if necessary. * plugin.cc (Plugin::load): Add two new APIs to transfer vector. (Plugin_manager::all_symbols_read): Add task parameter. Change all callers. (Plugin_manager::get_input_file): New function. (Plugin_manager::release_input_file): New function. (Pluginobj::Pluginobj): Add filesize parameter and initialize corresponding data member. (Sized_pluginobj::Sized_pluginobj): Add filesize parameter and pass to base constructor. Change all callers. (get_input_file, release_input_file): New functions. (make_sized_plugin_object): Add filesize parameter. Change all callers. * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member. (Plugin_manager::all_symbols_read): Add task parameter. (Plugin_manager::get_input_file): New function. (Plugin_manager::release_input_file): New function. (Plugin_manager::task_): New data member. (Pluginobj::Pluginobj): Add filesize parameter. (Pluginobj::filename): New function. (Pluginobj::descriptor): New function. (Pluginobj::filesize): New function. (Pluginobj::filesize_): New data member. (Sized_pluginobj::Sized_pluginobj): Add filesize parameter. * readsyms.cc (Read_symbols::do_read_symbols): Remove call to File_read::claim_for_plugin; use Object::unlock to unlock the file. * testsuite/Makefile.am (plugin_test_4): New test case for plugins with archive libraries. * testsuite/Makefile.in: Regenerate. * testsuite/plugin_test.c (struct sym_info): New type. (get_input_file, release_input_file): New static variables. (onload): Capture new transfer vector entries. (claim_file_hook): Stop reading at end of file according to filesize. Factor out parsing of readelf output into separate function. (all_symbols_read_hook): Exercise get_input_file and release_input_file APIs and get the source file name from the symbol table. Convert source file name to corresponding object file name. Print info message when adding new input files. (parse_readelf_line): New function. * testsuite/plugin_test_1.sh: Add checks for new info messages. * testsuite/plugin_test_2.sh: Likewise. * testsuite/plugin_test_3.sh: Likewise. * testsuite/plugin_test_4.sh: New test case. 2009-01-07 Ian Lance Taylor * version.cc (version_string): Bump to 1.8. 2008-12-23 Cary Coutant * gold.cc (gold_exit): Call plugin cleanup handlers on exit. * plugin.cc (Plugin_manager::finish): Rename as layout_deferred_objects. Move cleanup to separate function. (Plugin_manager::cleanup): New function. (Plugin_finish::run): Call layout_deferred_objects and cleanup separately. * plugin.h (Plugin_manager::finish): Rename as layout_deferred_objects. (Plugin_manager::cleanup): New function. (Plugin_manager::cleanup_done): New field. 2008-12-23 Cary Coutant * plugin.cc (is_visible_from_outside): New function. (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside so we don't return "IR only" status for exported symbols or -r links. * testsuite/Makefile.am (plugin_test_3): New test case. * testsuite/Makefile.in: Regenerate. * testsuite/plugin_test_3.sh: New file. 2008-12-22 Cary Coutant * object.cc (Sized_relobj::layout_section): New function. (Sized_relobj::do_layout): Defer layout of input sections until after plugin has provided replacement files. (Sized_relobj::do_layout_deferred_sections): New function. * object.h (Relobj::set_section_offset): Remove virtual keyword. (Relobj::layout_deferred_sections): New function. (Relobj::do_layout_deferred_sections): New function. (Sized_relobj::do_layout_deferred_sections): New function. (Sized_relobj::layout_section): New function. (Sized_relobj::Deferred_layout): New structure. (Sized_relobj::deferred_layout_): New field. * plugin.cc (Plugin_manager::finish): Renamed, was cleanup. Change all callers. Layout deferred sections. (class Plugin_finish): Renamed, was Plugin_cleanup. Change all references. (Plugin_hook::run): Move code from do_plugin_hook inline. (Plugin_hook::do_plugin_hook): Remove. * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers. (Plugin_manager::finish): Renamed, was cleanup. (Plugin_manager::should_defer_layout): New function. (Plugin_manager::add_deferred_layout_object): New function. (Plugin_manager::Deferred_layout_list): New type. (Plugin_manager::deferred_layout_objects_): New field. (Plugin_hook::do_plugin_hook): Remove. 2008-12-17 Ian Lance Taylor * options.h (class General_options): Add --no case for --export-dynamic. 2008-12-16 Cary Coutant * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer vector. (Plugin_manager::claim_file): Create plugin object even if plugin did not call the add_symbols callback. (Plugin_obj::get_symbol_resolution_info): Guard against plugin asking for more symbols than were added. * testsuite/Makefile.am (plugin_test_1): Add test case with no global symbols. (empty.syms): New target. * testsuite/Makefile.in: Regenerate. * testsuite/plugin_test.c (claim_file_hook): Add new debug message. Don't call add_symbols if no globals. (all_symbols_read_hook): Don't provide replacement for empty claimed file. 2008-12-12 Ian Lance Taylor * target-reloc.h (Default_scan_relocatable_relocs): Only discard r_type == 0 for a local symbol with r_sym == 0. (scan_relocatable_relocs): Pass r_sym to local_non_section_strategy. * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add r_sym parameter. * configure.ac: Update test for TLS descriptors: they are supported as of glibc 2.9. * configure: Rebuild. 2008-12-11 Ian Lance Taylor PR 7091 * target-reloc.h (Default_scan_relocatable_relocs): For each function, map r_type == 0 to RELOC_DISCARD. 2008-12-10 Cary Coutant * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement object to override a kept COMDAT group from a plugin object. 2008-12-09 Ian Lance Taylor PR 7088 * yyscript.y (file_cmd): Handle INPUT. * testsuite/initpri1.c: Change all declarations to be full prototypes by adding void, to avoid compiler warnings. 2008-12-05 Rafael Avila de Espindola * options.cc (General_options::parse_plugin_opt): New. (General_options::add_plugin): The argument now is just the filename. (General_options::add_plugin_option): New. * options.h (plugin_opt): New. (add_plugin): Change argument name. (add_plugin_option): New. * plugin.cc (Plugin::load): Don't parse the plugin option. * plugin.h (Plugin::Plugin): Rename argument. Init filename_. (Plugin::add_option): New. (Plugin::args_): Change type. (Plugin::filename_): New. (Plugin_manager::add_plugin_option): New. * testsuite/Makefile.am (plugin_test_1): Use new syntax. * testsuite/Makefile.in: Regenerate. 2008-12-05 Cary Coutant * layout.cc (Layout::include_section): Check for SHF_EXCLUDE. Handle --strip-lto-sections option. * options.h (strip_lto_sections): New option. 2008-12-01 Cary Coutant * plugin.cc (ld_plugin_message): Change format parameter to const. Fix mismatch between new[] and delete. 2008-11-14 Cary Coutant * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address instead of -1U. 2008-11-05 Craig Silverstein * options.cc (General_options::parse_dynamic_list): New function. * options.h (General_options): New flags dynamic_list, dynamic_list_data, dynamic_list_cpp_new, and dynamic_list_cpp_typeinfo. New variable dynamic_list_. (General_options::in_dynamic_list): New function. * script.cc (Lex::Mode): New enum DYNAMIC_LIST. (Lex::can_start_name): Add support for DYNAMIC_LIST mode. (Lex::can_continue_name): Likewise. (yylex): Likewise. (read_script_file): New parameter script_options. (read_dynamic_list): New function. (Script_options::define_dynamic_list): New function. (dynamic_list_keyword_parsecodes): New variable. (dynamic_list_keywords): New variable. * script.h (Script_options::define_dynamic_list): New function prototype. (read_dynamic_list): New function prototype. * symtab.cc (strprefix): New macro. (Symbol::should_add_dynsym_entry): Support dynamic_list, dynamic_list_data, dynamic_list_cpp_new, and dynamic_list_cpp_typeinfo. * yyscript.y (PARSING_DYNAMIC_LIST): New token. (dynamic_list_expr): New rule. (dynamic_list_nodes): Likewise. (dynamic_list_node): Likewise. * testsuite/Makefile.am (dynamic_list): New test. * testsuite/Makefile.in: Regenerated. * testsuite/dynamic_list.t: New file. * testsuite/dynamic_list.sh: New file. 2008-11-05 Craig Silverstein * testsuite/tls_test_c.c: Add prototype for t11 and t11_last. * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype. (t11_last): Likewise. * testsuite/ver_test_6.c (main): Likewise. 2008-10-07 Cary Coutant * options.c (General_options::finalize): Add check for -static and -shared. * gold.cc (queue_middle_tasks): Assert that list of dynamic objects is not empty. 2008-10-02 Cary Coutant * plugin.cc (make_sized_plugin_object): Fix conditional compilation to work when not all targets are enabled. 2008-09-29 Cary Coutant * archive.cc (Archive::get_file_and_offset): Use filename instead of name to get library path. (Archive::include_member): Unlock external member of a thin archive. * testsuite/Makefile.am (TEST_AR): New variable. (thin_archive_test_1): New test. (thin_archive_test_2): New test. * testsuite/Makefile.in: Regenerate. * testsuite/thin_archive_main.cc: New file. * testsuite/thin_archive_test_1.cc: New file. * testsuite/thin_archive_test_2.cc: New file. * testsuite/thin_archive_test_3.cc: New file. * testsuite/thin_archive_test_4.cc: New file. 2008-09-29 Cary Coutant * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL. * object.cc (Sized_relobj::do_layout): Use constant invalid_address instead of -1U. (Sized_relobj::do_finalize_local_symbols): Likewise. (Sized_relobj::map_to_kept_section): Likewise. * object.h (Sized_relobj::invalid_address): New constant. (Sized_relobj::do_output_section_offset): Check for invalid_address and return -1ULL. * output.cc (Output_reloc::local_section_offset): Use constant invalid_address instead of -1U. (Output_reloc::get_address): Likewise. (Output_section::output_address): Change -1U to -1ULL. * output.h (Output_reloc::invalid_address): New constant. * reloc.cc (Sized_relobj::write_sections): Use constant invalid_address instead of -1U. (Sized_relobj::relocate_sections): Likewise. * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol values for merge sections. * target-reloc.h (relocate_for_relocatable): Use constant invalid_address instead of -1U. 2008-09-19 Cary Coutant Add plugin functionality for link-time optimization (LTO). * configure.ac (plugins): Add --enable-plugins option. * configure: Regenerate. * config.in: Regenerate. * Makefile.am (LIBDL): New variable. (CCFILES): Add plugin.cc. (HFILES): Add plugin.h. (ldadd_var): Add LIBDL. * Makefile.in: Regenerate. * archive.cc: Include "plugin.h". (Archive::setup): Don't preread archive symbols when using a plugin. (Archive::get_file_and_offset): Add memsize parameter. Change callers. (Archive::get_elf_object_for_member): Call plugin hooks for claiming files. (Archive::include_member): Add symbols from plugin objects. * archive.h (Archive::get_file_and_offset): Add memsize parameter. * descriptors.cc (Descriptors::open): Check for file descriptors abandoned by plugins. (Descriptors::claim_for_plugin): New function. * descriptors.h (Descriptors::claim_for_plugin): New function. (Open_descriptor::is_claimed): New field. (claim_descriptor_for_plugin): New function. * fileread.cc (File_read::claim_for_plugin): New function. * fileread.h (File_read::claim_for_plugin): New function. (File_read::descriptor): New function. * gold.cc: Include "plugin.h". (queue_initial_tasks): Add task to call plugin hooks for generating new object files. * main.cc: Include "plugin.h". (main): Load plugin libraries. * object.h (Pluginobj): Declare. (Object::pluginobj): New function. (Object::do_pluginobj): New function. (Object::set_target): New function. * options.cc: Include "plugin.h". (General_options::parse_plugin): New function. (General_options::General_options): Initialize plugins_ field. (General_options::add_plugin): New function. * options.h (Plugin_manager): Declare. (General_options): Add --plugin option. (General_options::has_plugins): New function. (General_options::plugins): New function. (General_options::add_plugin): New function. (General_options::plugins_): New field. * plugin.cc: New file. * plugin.h: New file. * readsyms.cc: Include "plugin.h". (Read_symbols::do_read_symbols): Check for archive before checking for ELF file. Call plugin hooks to claim files. * resolve.cc (Symbol_table::resolve): Record when symbol is referenced from a real object file; force override when processing replacement files. * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field. (Symbol::init_base_object): Likewise. (Symbol::init_base_output_data): Likewise. (Symbol::init_base_output_segment): Likewise. (Symbol::init_base_constant): Likewise. (Symbol::init_base_undefined): Likewise. (Symbol::output_section): Assert that object is not a plugin. (Symbol_table::add_from_pluginobj): New function. (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as undefined. (Symbol_table::sized_write_globals): Likewise. (Symbol_table::add_from_pluginobj): Instantiate template. * symtab.h (Sized_pluginobj): Declare. (Symbol::in_real_elf): New function. (Symbol::set_in_real_elf): New function. (Symbol::in_real_elf_): New field. (Symbol_table::add_from_pluginobj): New function. * testsuite/Makefile.am (AM_CFLAGS): New variable. (LIBDL): New variable. (LDADD): Add LIBDL. (check_PROGRAMS): Add plugin_test_1 and plugin_test_2. (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh. (check_DATA): Add plugin_test_1.err and plugin_test_2.err. (MOSTLYCLEANFILES): Likewise. * testsuite/Makefile.in: Regenerate. * testsuite/plugin_test.c: New file. * testsuite/plugin_test_1.sh: New file. * testsuite/plugin_test_2.sh: New file. 2008-09-16 Ian Lance Taylor * target-reloc.h (relocate_section): Check whether a symbol is defined by the ABI before reporting an undefined symbol error. * target.h (Target::is_defined_by_abi): Make parameter const. (Target::do_is_defined_by_abi): Likewise. * i386.cc (Target_i386::do_is_defined_by_abi): Likewise. * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise. * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise. * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise. * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs. * testsuite/Makefile.in: Rebuild. * fileread.cc (make_view): Add casts to avoid warning. 2008-09-16 Alexandre Oliva * i386.cc (Target_i386::define_tls_base_symbol): Update comments. * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise. 2008-09-16 Alexandre Oliva * options.h (General_options::output_is_executable): New. (General_options::output_is_pie): New. * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START for shared libraries. * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise. 2008-09-11 Chris Demetriou * options.h (origin): New -z option. * layout.cc (Layout:finish_dynamic_section): If "-z origin" is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN in DT_FLAGS_1. 2008-09-05 Cary Coutant * fileread.cc (File_read::make_view): Add check for attempt to map beyond end of file. 2008-09-05 Cary Coutant * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in explicit instantiations. 2008-08-28 Kris Van Hees PR gold/6858 * options.cc (General_options::finalize): Allow undefined symbols in shlibs if linking -shared. PR gold/6859 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined symbols as not needing a dynsym entry. 2008-08-20 Craig Silverstein * fileread.cc (File_read::open): Do not lock the file unless it was successfully opened. 2008-08-14 Cary Coutant * x86_64.cc (Target_x86_64::Relocate::relocat_tls): Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs. * testsuite/tls_test.cc (struct int128): 128-bit struct for testing TLS relocs with non-zero addend. (v12): New TLS variable. (t12): New test. (t_last): Add check for v12. * testsuite/tls_test.h (t12): New function. * testsuite/tls_test_main.cc (thread_routine): Call new test. 2008-08-13 Ian Lance Taylor * layout.cc (Layout::attach_allocated_section_to_segment): Don't set tls_segment_ or relro_segment_. (Layout::make_output_segment): Set tls_segment_ and relro_segment_ when appropriate. * output.h (Output_section::clear_is_relro): New function. * output.cc (Output_segment::add_output_section): Handle SHF_TLS sections specially even when output_data_ is empty. (Output_segment::maximum_alignment): When first section is relro, only force alignment for PT_LOAD segments. * script.cc (script_data_segment_align): New function. (script_data_segment_relro_end): New function. * script-c.h (script_data_segment_align): Declare. (script_data_segment_relro_end): Declare. * script-sections.h (class Script_sections): Declare data_segment_align and data_segment_relro_end. Add fields segment_align_index_ and saw_relro_end_. * script-sections.cc (class Sections_element): Add set_is_relro virtual function. Add new bool* parameter to place_orphan_here. Add get_output_section virtual function. (class Output_section_definition): Add set_is_relro. Add new bool* parameter to place_orphan_here. Add get_output_section. Add is_relro_ field. (Output_section_definition::Output_section_definition): Initialize evaluated_address_, evaluated_load_address, evaluated_addralign_, and is_relro_ fields. (Output_section_definition::place_orphan_here): Add is_relro parameter. (Output_section_definition::set_section_addresses): Set relro for output section. (Output_section_definition::alternate_constraint): Likewise. (class Orphan_output_section): Add new bool* parameter to place_orphan_here. Add get_output_section. (Orphan_output_section::place_orphan_here): Add is_relro parameter. (Script_sections::Script_sections): Initialize data_segment_align_index_ and saw_relro_end_. (Script_sections::data_segment_align): New function. (Script_sections::data_segment_relro_end): New function. (Script_sections::place_orphan): Set or clear is_relro. (Script_sections::set_section_addresses): Force alignment of first TLS section. * yyscript.y (exp): Call script_data_segment_align and script_data_segment_relro_end. * testsuite/relro_script_test.t: New file. * testsuite/relro_test.cc (using_script): Declare. (t1, t2): Test using_script. * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test. (relro_script_test_SOURCES): Define. (relro_script_test_DEPENDENCIES): Define. (relro_script_test_LDFLAGS): Define. (relro_script_test_LDADD): Define. (relro_script_test.so): New target. * testsuite/Makefile.in: Rebuild. 2008-08-06 Cary Coutant * archive.cc (Archive::total_archives, Archive::total_members) (Archive::total_members_loaded): New variables. (Archive::setup): Add parameter. Add option to preread archive symbols. (Archive::read_armap): Add counter. (Archive::get_file_and_offset): New function. (Archive::get_elf_object_for_member): New function. (Archive::read_all_symbols): New function. (Archive::read_symbols): New function. (Archive::add_symbols): Add counters. (Archive::include_all_members): Use armap to find members if it's already built. (Archive::include_member): Skip reading symbols if already read. Factored code into Archive::get_file_and_offset and Archive::get_elf_object_for_member. Changed call to Mapfile::report_include_archive_member. (Archive::print_stats): New function. * archive.h: Declare Object and Read_symbols_data classes. (Archive::Archive): Add initializers for new members. (Archive::setup): Add parameter. (Archive::print_stats): New function. (Archive::total_archives, Archive::total_members) (Archive::total_members_loaded): New variables. (Archive::get_file_and_offset): New function. (Archive::get_elf_object_for_member): New function. (Archive::read_all_symbols): New function. (Archive::read_symbols): New function. (Archive::Archive_member): New class. (Archive::members_): New member. (Archive::num_members_): New member. * main.cc: Include archive.h. (main): Call Archive::print_stats. * mapfile.cc (Mapfile::report_include_archive_member): Delete archive parameter; member_name is now the fully-decorated name. * mapfile.h (Mapfile::report_include_archive_member): Likewise. * options.h: (General_options): Add --preread-archive-symbols option. * readsyms.cc (Read_symbols::do_read_symbols): Change call to Archive::setup. 2008-08-04 Ian Lance Taylor * symtab.h (Symbol::use_plt_offset): New function. * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset. * powerpc.cc (Relocate::relocate): Likewise. * sparc.cc (Relocate::relocate): Likewise. * x86_64.cc (Relocate::relocate): Likewise. * testsuite/weak_plt.sh: New test. * testsuite/weak_plt_main.cc: New test. * testsuite/weak_plt_shared.cc: New test. * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh. (check_PROGRAMS): Add weak_plt. (check_DATA): Add weak_plt_shared.so. (weak_plt_main_pic.o, weak_plt): New targets. (weak_plt_shared_pic.o, weak_plt_shared.so): New targets. * testsuite/Makefile.in: Rebuild. * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon gcctestdir/ld. (weak_alias_test_2.so, weak_alias_test_4.so): Likewise. * testsuite/Makefile.in: Rebuild. 2008-08-04 Alan Modra * Makefile.am (POTFILES.in): Set LC_ALL=C. * Makefile.in: Regenerate. * po/POTFILES.in: Regenerate. 2008-07-29 Ian Lance Taylor * script.cc (Script_options::finalize_symbols): Finalize SECTIONS symbols before other symbols. * testsuite/script_test_2.cc (test_addr): Declare. (test_addr_alias): Declare. (main): Check that test_addr and test_addr_alias have the right values. * testsuite/script_test_2.t: Define test_addr_alias and test_addr. 2008-07-24 Ian Lance Taylor PR 5990 * descriptors.cc: New file. * descriptors.h: New file. * gold-threads.h (class Hold_optional_lock): New class. * fileread.cc: Include "descriptors.h". (File_read::~File_read): Release descriptor rather than closing it. (File_read::open) [file]: Call open_descriptor rather than open. Set is_descriptor_opened_. (File_read::open) [memory]: Assert that descriptor is not open. (File_read::reopen_descriptor): New function. (File_read::release): Release descriptor. (File_read::do_read): Make non-const. Reopen descriptor. (File_read::read): Make non-const. (File_read::make_view): Reopen descriptor. (File_read::do_readv): Likewise. * fileread.h (class File_read): Add is_descriptor_opened_ field. Update declarations. * layout.cc: Include "descriptors.h". (Layout::create_build_id): Use open_descriptor rather than open. * output.cc: Include "descriptors.h". (Output_file::open): Use open_descriptor rather than open. * archive.cc (Archive::const_iterator): Change Archive to be non-const. (Archive::begin, Archive::end): Make non-const. (Archive::count_members): Likewise. * archive.h (class Archive): Update declarations. * object.h (Object::read): Make non-const. * Makefile.am (CCFILES): Add descriptors.cc. (HFILES): Add descriptors.h. * Makefile.in: Rebuild. PR 6716 * gold.h: Always include . Add Solaris workarounds following code in binutils/sysdep.h. PR 6048 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether this->eh_frame_hdr_ is NULL before using it. * dynobj.cc (Versions::Versions): Update comment. * dynobj.cc (Versions::Versions): If there is an soname, use it as the base version name. * stringpool.cc (Stringpool_template::add_with_length): Set key to array size plus one. (Stringpool_template::set_string_offsets): Subtract one from key before using it as an array index. (Stringpool_template::get_offset_with_length): Likewise. (Stringpool_template::write_to_buffer): Likewise. * stringpool.h (Stringpool_template::get_offset_from_key): Likewise. 2008-07-23 Ian Lance Taylor PR 6658 * object.h (Merged_symbol_value::value): Do our best to handle a negative addend. PR 6647 * script.cc (Version_script_info::get_versions): Don't add empty version tag to return value. (Version_script_info::get_symbol_version_helper): Change return type to bool. Add pversion parameter. Change all callers. (script_register_vers_node): Don't require a non-NULL tag. * script.h (class Version_script_info): Update declarations. (Version_script_info::get_symbol_version): Change return type to bool. Add version parameter. Change all callers. * symtab.cc (Sized_symbol::add_from_relobj): Rework version handling. Handle an empty version from a version script. (Symbol_table::define_special_symbol): Likewise. * testsuite/ver_test_10.script: New file. * testsuite/ver_test_10.sh: New file. * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh. (check_DATA): Add ver_test_10.syms. (ver_test_10.syms, ver_test_10.so): New target. * testsuite/Makefile.in: Rebuild. 2008-07-23 Simon Baldwin * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size to zero for undefined symbols from dynamic libraries. 2008-07-23 Ian Lance Taylor * symtab.cc (Symbol_table::resolve): Remove version parameter. Change all callers. * symtab.h (class Symbol_table): Update declaration. * testsuite/ver_test_9.cc: New file. * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9. (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define. (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define. (ver_test_9.so, ver_test_9.o): New targets. * testsuite/Makefile.in: Rebuild. 2008-07-22 Ian Lance Taylor * options.h (class General_options): Define --check-sections. * layout.cc (Layout::set_segment_offsets): Handle --check-sections. * options.h (class General_options): Define -n/--nmagic and -N/--omagic. * options.cc (General_options::finalize): For -n/--nmagic or -N/--omagic, set -static. * layout.cc (Layout::attach_allocated_section_to_segment): If -N/--omagic, don't put read-only and read-write sections in different segments. (Layout::find_first_load_seg): If -N/--omagic, don't insist on finding a read-only segment. (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic, don't set the minimum segment alignment to the common page size, and don't set the file offset to the address modulo the page size. * script-sections.cc (Script_sections::create_segments): If -n/--omagic, don't put read-only and read-write sections in different segments. * cref.cc: New file. * cref.h: New file. * options.h (class General_options): Add --print-symbol-counts. * main.cc (main): Issue defined symbol report if requested. * archive.cc (Archive::interpret_header): Make into a const member function. (Archive::add_symbols): Call Input_objects::archive_start and archive_stop. (Archive::const_iterator): Define new class. (Archive::begin, Archive::end): New functions. (Archive::include_all_members): Rewrite to use iterator. (Archive::count_members): New function. * archive.h (class Archive): Update declarations. (Archive::filename): New function. * object.cc: Include "cref.h". (Sized_relobj::Sized_relobj): Initialize defined_count_. (Sized_relobj::do_get_global_symbol_counts): New function. (Input_objects::add_object): Add object to cross-referencer. (Input_objects::archive_start): New function. (Input_objects::archive_stop): New function. (Input_objects::print_symbol_counts): New function. * object.h: Declare Cref and Archive. (Object::get_global_symbol_counts): New function. (Object::do_get_global_symbol_counts): New pure virtual function. (class Sized_relobj): Add defined_count_ field. Update declarations. (class Input_objects): Add cref_ field. Update constructor. Update declarations. * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and defined_count_. (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing symbol counts. (Sized_dynobj::do_get_global_symbol_counts): New function. * dynobj.h (class Sized_dynobj): Add fields symbols_ and defined_count_. Update declarations. Define Symbols typedef. * symtab.cc (Symbol_table::add_from_relobj): Add defined parameter. Change all callers. (Symbol_table::add_from_dynobj): Add sympointers and defined parameters. Change all callers. * symtab.h (class Symbol_table): Update declarations. * Makefile.am (CCFILES): Add cref.cc. (HFILES): Add cref.h. * Makefile.in: Rebuild. 2008-07-22 Simon Baldwin * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size to zero when writing undefined symbols. 2008-07-22 Ian Lance Taylor * output.cc (Output_section::add_input_section): Don't try to merge empty merge sections. 2008-07-21 Craig Silverstein * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol): Include symbol version in error message. 2008-07-20 Chris Demetriou * configure.ac (gold_cv_c_random_seed): New configured variable. (RANDOM_SEED_CFLAGS): New substituted variable. * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS). * configure: Rebuild. * Makefile.in: Likewise. * testsuite/Makefile.in: Likewise. 2008-07-18 Ian Lance Taylor * symtab.cc (Symbol_table::add_from_object): Rewrite the case where we see NAME/NULL and NAME/VERSION as separate symbols. * testsuite/ver_test_main.cc (main): Call t4. (t4, t4_2a): Define. * testsuite/ver_test_2.cc (t4_2): Define. * testsuite/ver_test_2.script: Put t4_2a in VER2. * testsuite/ver_test_4.cc (t4_2a): Define. * testsuite/ver_test_4.script: Put t4_2a in VER2. * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare. 2008-07-17 Ian Lance Taylor * dynobj.cc (Versions::add_def): If we give an error about a missing version, go ahead and create the version anyhow. 2008-07-10 Ian Lance Taylor Handle output sections with more than 0x7fffffff bytes. * object.h (class Relobj): Change map_to_output_ to output_sections_, and just keep a section pointer. Change all uses. Move comdat group support to Sized_relobj. (Relobj::is_section_specially_mapped): Remove. (Relobj::output_section): Remove poff parameter. Change all callers. (Relobj::output_section_offset): New function. (Relobj::set_section_offset): Rewrite. (Relobj::map_to_output): Remove. (Relobj::output_sections): New function. (Relobj::do_output_section_offset): New pure virtual function. (Relobj::do_set_section_offset): Likewise. (class Sized_relobj): Add section_offsets_ field. Add comdat group support from Relobj. Update declarations. (Sized_relobj::get_output_section_offset): New function. (Sized_relobj::do_output_section_offset): New function. (Sized_relobj::do_set_section_offset): New function. * object.cc (Relobj::output_section_address): Remove. (Sized_relobj::Sized_relobj): Initialize new fields. (Sized_relobj::include_section_group): Cast find_kept_object to Sized_relobj. (Sized_relobj::include_linkonce_section): Likewise. (Sized_relobj::do_layout): Use separate arrays for output section and output offset. (Sized_relobj::do_count_local_symbols): Change map_to_output to output_sections. (Sized_relobj::do_finalize_local_symbols): Change map_to_output to output_sections and section_offsets. (Sized_relobj::write_local_symbols): Likewise. (map_to_kept_section): Compute output address directly. * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to output_sections and section_offsets. (Sized_relobj::write_sections): Likewise. (Sized_relobj::relocate_sections): Likewise. * symtab.cc (sized_finalize_symbol): Use output_section_offset. * output.h (class Output_reloc): Update declarations. Change u2_.relobj to Sized_relobj*. (class Output_data_reloc): Change add functions to use Sized_relobj*. * output.cc (Output_reloc::Output_reloc): Change relobj to Sized_relobj*. (Output_reloc::local_section_offset): Change return type to Elf_Addr. Use get_output_section_offset. (Output_reloc::get_address): Likewise. (Output_section::is_input_address_mapped): Don't call is_section_specially_mapped. (Output_section::output_offset): Likewise. (Output_section::output_address): Likewise. (Output_section::starting_output_address): Likewise. * copy-relocs.cc (Copy_relocs::copy_reloc): Change object parameter to Sized_relobj*. (Copy_relocs::need_copy_reloc): Likewise. (Copy_relocs::save): Likewise. * copy-relocs.h (class Copy_relocs): Update declarations. (class Copy_relocs::Copy_reloc_entry): Change constructor to use Sized_relobj*. Change relobj_ field to Sized_relobj*. * target-reloc.h (relocate_for_relocatable): Change offset_in_output_section type to Elf_Addr. Change code that uses it as well. * layout.cc (Layout::layout): Always set *off. * mapfile.cc (Mapfile::print_input_section): Use output_section_offset. * i386.cc (Target_i386::copy_reloc): Change object parameter to Sized_relobj*. * powerpc.cc (Target_powerpc::copy_reloc): Likewise. * sparc.cc (Target_sparc::copy_reloc): Likewise. * x86_64.cc (Target_x86_64::copy_reloc): Likewise. 2008-07-03 Ian Lance Taylor * layout.cc (Layout::include_section): Do not discard unrecognized SHT_STRTAB sections. 2008-06-30 Craig Silverstein * script.cc (Lex::can_continue_name): Make '?' allowable in version-script names. * testsuite/version_script.map: Change glob pattern to use '?' 2008-06-30 Manish Singh PR 6585 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line): Correct typo. 2008-06-30 Ian Lance Taylor PR 6660 PR 6682 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both versions]: Don't try to read the value in the contents, since we don't use it. Use the template endianness when writing. 2008-06-25 Cary Coutant * fileread.cc (File_read::make_view): Assert on zero-length view. * object.cc (Sized_relobj::do_read_symbols): Don't try to read symbol table when there are no symbols to read. 2008-06-23 Craig Silverstein * version.cc (version_string): Bump to 1.7 2008-06-18 Craig Silverstein * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast constant 0xFFFF to type Valtype. (Powerpc_relocate_functions::rel16_ha): Likewise. 2008-06-17 Ian Lance Taylor * output.h (Output_section::Input_section): Initialize p2align_ to zero for Output_section_data constructors. (Output_section::Input_section::addralign): If not an input section, return the alignment of the Output_section_data. * testsuite/copy_test.cc: New file. * testsuite/copy_test_1.cc: New file. * testsuite/copy_test_2.cc: New file. * testsuite/Makefile.am (check_PROGRAMS): Add copy_test. (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables. (copy_test_LDFLAGS, copy_test_LDADD): New variables. (copy_test_1_pic.o, copy_test_1.so): New targets. (copy_test_2_pic.o, copy_test_2.so): New targets. * testsuite/Makefile.in: Rebuild. * script-sections.cc (Script_sections::place_orphan): Initialize local variable exact. 2008-06-13 David Edelsohn * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC. 2008-06-12 David Edelsohn David S. Miller * powerpc.cc: New file. * Makefile.am (TARGETSOURCES): Add powerpc.cc (ALL_TARGETOBJS): Add powerpc.$(OBJEXT) * configure.tgt: Add entries for powerpc-* and powerpc64-*. * Makefile.in: Rebuild. 2008-06-09 Ian Lance Taylor * testsuite/relro_test.cc: Include , , and . (throwing, orig_terminate): New static variables. (terminate_handler): New static function. (t2): Set terminate handler. 2008-06-05 Kris Van Hees PR 6584 * binary.cc (Binary_to_elf::sized_convert): Fix .data alignment. 2008-05-30 Cary Coutant * archive.cc (Archive::include_all_members) Correct to step over symbol table and extended name table in thin archives. 2008-05-29 Kris Van Hees PR 6407 * target-reloc.h (relocate_for_relocatable): Fix new_offset calculation. 2008-05-28 Caleb Howe * reduced_debug_output.cc: New file. * reduced_debug_output.h: New file. * options.h (class General_options): Add --strip-debug-non-line. * options.cc (General_options::finalize): Add strip_debug_non_line to the strip heirarchy. * layout.h (class Layout): Add debug_abbrev_ and debug_info_ fields. * layout.cc: Include "reduced_debug_output.h". (Layout::Layout): Initialize new fields. (line_only_debug_sections): New static array. (is_lines_only_debug_sections): New static inline function. (Layout::include_section): Handle --strip-debug-non-line. (Layout::make_output_section): If --strip-debug-non-line, build new output sections for .debug_abbrev and .debug_info. * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace gold. Warn about possible overflow. (read_signed_LEB_128): Likewise. * dwarf_reader.h: (read_unsigned_LEB_128): Declare. (read_signed_LEB_128): Declare. * Makefile.am (CCFILES): Add reduced_debug_output.cc. (HFILES): Add reduced_debug_output.h. * Makefile.in: Rebuild. 2008-05-21 Ian Lance Taylor * mapfile.cc: New file. * mapfile.h: New file. * options.h (class General_options): Add -M/--print-map and -Map. * options.cc (General_options::finalize): Make -M equivalent to -Map -. * main.cc: Include and "mapfile.h". (main): Open mapfile if requested. * gold.cc (class Middle_runner): Add mapfile_ field. Update constructor. Change caller. (queue_initial_tasks): Add mapfile parameter. Change caller. (queue_middle_tasks): Likewise. * gold.h (queue_initial_tasks, queue_middle_tasks): Update declarations. * archive.cc: Include "mapfile.h". (Archive::add_symbols): Add mapfile parameter. Change all callers. Pass mapfile, symbol, and reason to include_member. (Archive::include_all_members): Add mapfile parameter. Change all callers. (Archive::include_member): Add mapfile, sym, and why parameters. Change all callers. Report inclusion to map file. * archive.h: Include "fileread.h". (class Archive): Update declarations. (Archive::file): New const method. (class Add_archive_symbols): Add mapfile_ field. Update constructor. Change all callers. * readsyms.h (class Read_symbols): Likewise. (class Finish_group): Likewise. (class Read_script): Likewise. * common.cc: Include "mapfile.h". (Symbol_table::allocate_commons): Add mapfile parameter. Change all callers. (Symbol_table::do_allocate_commons): Likewise. (Symbol_table::do_allocate_commons_list): Likewise. Report common symbol allocation to mapfile. * common.h (class Allocate_commons_task): Add mapfile_ field. Update constructor. Change all callers. * symtab.h (class Symbol_table): Update declarations. * layout.cc: Include "mapfile.h". (Layout_task_runner::run): Print information to mapfile. (Layout::create_gold_note): Change Output_data_fixed_space to Output_data_zero_fill. (Layout::create_build_id): Likewise. (Layout::print_to_mapfile): New function. * layout.h (class Layout_task_runner): Add mapfile_ field. Update constructor. Change caller. (class Layout): Declare print_to_mapfile. * output.cc (Output_section::Input_section::print_to_mapfile): New function. (Output_section::add_input_section): If producing a map, always add to input_sections_ list. (Output_section::do_print_to_mapfile): New function. (Output_segment::print_sections_to_mapfile): New function. (Output_segment::print_section_list_to_mapfile): New function. * output.h: Include "mapfile.h". (Output_data::print_to_mapfile): New function. (Output_data::do_print_to_mapfile): New virtual function. (Output_segment_headers::do_print_to_mapfile): New function. (Output_file_header::do_print_to_mapfile): New function. (Output_data_const::do_print_to_mapfile): New function. (class Output_data_const_buffer): Add map_name_ field. Update constructor. Change all callers. Add do_print_to_mapfile function. (class Output_data_fixed_space): Likewise. (class Output_data_space): Likewise. (class Output_data_zero_fill): New class. (Output_data_strtab::do_print_to_mapfile): New function. (Output_data_reloc_base::do_print_to_mapfile): New function. (Output_relocatable_relocs::do_print_to_mapfile): New function. (Output_data_group::do_print_to_mapfile): New function. (Output_data_got::do_print_to_mapfile): New function. (Output_data_dynamic::do_print_to_mapfile): New function. (Output_symtab_xindex::do_print_to_mapfile): New function. (class Output_section): Declare do_print_to_mapflie. Declare print_to_mapfile in Input_section. (class Output_segment): Declare new functions. * object.h (Sized_relobj::symbol_count): New function. * script-sections.cc (Output_section_element_dot_assignment::set_section_addresses): Change Output_data_fixed_space to Output_data_zero_fill. (Output_data_expression::do_print_to_mapfile): New function. * script.cc (read_input_script): Add mapfile parameter. Change all callers. * script.h (read_input_script): Update declaration. * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function. (Eh_frame::do_print_to_mapfile): New function. * merge.h (Output_merge_data::do_print_to_mapfile): New function. (Output_merge_string::do_print_to_mapfile): New function. * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New function. * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New function. * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New function. * Makefile.am (CCFILES): Add mapfile.cc. (HFILES): Add mapfile.h. * Makefile.in: Rebuild. 2008-05-19 Ian Lance Taylor * options.h (class General_options): Add -z relro. * layout.cc (Layout::Layout): Initialize relro_segment_. (Layout::add_output_section_data): Return the output section. (Layout::make_output_section): Rcognize relro sections and mark them appropriately. (Layout::attach_allocated_section_to_segment): Put relro sections in a PT_GNU_RELRO segment. (Layout::create_initial_dynamic_sections): Mark the .dynamic section as relro. (Layout::segment_precedes): Sort PT_GNU_RELRO segments after PT_TLS segments. (Layout::linkonce_mapping): Map d.rel.ro.local to .data.rel.ro.local. (Layout::output_section_name): Us .data.rel.ro.local for any section which begins with that. * layout.h (class Layout): Update add_output_section_data declaration. Add relro_segment_ field. * output.cc (Output_section::Output_section): Initialize is_relro_ and is_relro_local_ fields. (Output_segment::add_output_section): Group relro sections. (Output_segment::is_first_section_relro): New function. (Output_segment::maximum_alignment): If there is a relro section, align the segment to the common page size. (Output_segment::set_section_addresses): Track whether we are looking at relro sections. If the last section is a relro section, align to the common page size. (Output_segment::set_section_list_addresses): Add in_relro parameter. Change all callers. Align to the page size when moving from relro to non-relro section. (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO segment. * output.h (class Output_section): Add is_relro_ and is_relro_local_ fields. (Output_section::is_relro): New function. (Output_section::set_is_relro): New function. (Output_section::is_relro_local): New function. (Output_section::set_is_relro_local): New function. (class Output_segment): Update declarations. * i386.cc (Target_i386::got_section): Mark .got section as relro. * sparc.cc (Target_sparc::got_section): Likewise. * x86_64.cc (Target_x86_64::got_section): Likewise. * testsuite/relro_test_main.cc: New file. * testsuite/relro_test.cc: New file. * testsuite/Makefile.am (check_PROGRAMS): Add relro_test. (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables. (relro_test_LDFLAGS, relro_test_LDADD): New variables. (relro_test.so, relro_test_pic.o): New targets. * testsuite/Makefile.in: Rebuild. 2008-05-16 Ian Lance Taylor * output.cc (Output_segment::add_output_section): Remove front parameter. * output.h (class Output_segment): Remove add_initial_output_section and overloaded add_output_section. Update declaration of remaining add_output_section. * layout.cc (Layout::create_interp): Call add_output_section rather than add_initial_output_section. (Layout::finish_dynamic_section): Likewise. * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we know the dynamic type. * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_ field. Initialize it in constructor. (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD. Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block reloc. * output.cc (Output_reloc::get_address): Change return type to Elf_Addr. * output.h (class Output_reloc): Update get_address declaration. * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types for section addresses. 2008-05-09 Ian Lance Taylor PR 6493 * gold.cc (gold_nomem): Use return value of write. 2008-05-08 Ian Lance Taylor * symtab.c (Symbol::init_base_output_data): Add version parameter. Change all callers. (Symbol::init_base_output_segment): Likewise. (Symbol::init_base_constant): Likewise. (Symbol::init_base_undefined): Likewise. (Sized_symbol::init_output_data): Likewise. (Sized_symbol::init_output_segment): Likewise. (Sized_symbol::init_constant): Likewise. (Sized_symbol::init_undefined): Likewise. (Symbol_table::do_define_in_output_data): If the new symbol has a version, mark it as the default. (Symbol_table::do_define_in_output_segment): Likewise. (Symbol_table::do_define_as_constant): Likewise. * symtab.h (class Symbol): Update declarations. (class Sized_symbol): Likewise. * resolve.cc (Symbol::override_version): New function. (Symbol::override_base): Call override_version. (Symbol::override_base_with_special): Likewise. * testsuite/ver_script_8.script: New file. * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8. (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define. (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define. (ver_test_8_1.so, ver_test_8_2.so): New targets. 2008-05-06 Ian Lance Taylor PR 6049 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end functions. (class General_options): Remove existing --undefined, and add --no-undefined instead. Add new --undefined as synonym for -u. * archive.cc (Archive::add_symbols): Check whether symbol was named with -u. * gold.cc (queue_middle_tasks): Add -u symbols to symbol table. * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change all uses. Add IS_UNDEFINED. Update declarations to split different versions of init_base. Declare init_base_undefined. (Symbol::is_defined): Handle IS_UNDEFINED. (Symbol::is_undefined): Likewise. (Symbol::is_weak_undefined): Call is_undefined. (Symbol::is_absolute): Handle IS_CONSTANT. (class Sized_symbol): Update declarations to split different versions of init. Declare init_undefined. (class Symbol_table): Declare new functions. * symtab.cc (Symbol::init_base_object): Rename from init_base. Change all callers. (Symbol::init_base_output_data): Likewise. (Symbol::init_base_output_segment): Likewise. (Symbol::init_base_constant): Likewise. (Symbol::init_base_undefined): New function. (Sized_symbol::init_object): Rename from init. Change all callers. (Sized_symbol::init_output_data): Likewise. (Sized_symbol::init_output_segment): Likewise. (Sized_symbol::init_constant): Likewise. (Sized_symbol::init_undefined): New function. (Symbol_table::add_undefined_symbols_from_command_line): New function. (Symbol_table::do_add_undefined_symbols_from_command_line): New function. (Symbol::final_value_is_known): Handle IS_UNDEFINED. (Symbol::output_section): Likewise. (Symbol::set_output_section): Likewise. (Symbol_table::sized_finalize_symbol): Likewise. (Symbol_table::sized_write_globals): Likewise. * resolve.cc (Symbol_table::should_override): Likewise. (Symbol::override_base_with_special): Likewise. * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected symbol, change it to have default visibility. * testsuite/protected_1.cc: New file. * testsuite/protected_2.cc: New file. * testsuite/protected_3.cc: New file. * testsuite/protected_main_1.cc: New file. * testsuite/protected_main_2.cc: New file. * testsuite/protected_main_3.cc: New file. * testsuite/Makefile.am (check_PROGRAMS): Add protected_1. (protected_1_SOURCES, protected_1_DEPENDENCIES): Define. (protected_1_LDFLAGS, protected_1_LDADD): Define. (protected_1.so): New target. (protected_1_pic.o, protected_2_pic.o): New targets. (protected_3_pic.o): New target. (check_PROGRAMS): Add protected_2. (protected_2_SOURCES, protected_2_DEPENDENCIES): Define. (protected_2_LDFLAGS, protected_2_LDADD): Define. * testsuite/Makefile.in: Rebuild. * options.h (DEFINE_var): Add set_user_set_##varname__. (DEFINE_bool_alias): New macro. (class General_options): Define -Bstatic using DEFINE_bool_alias rather than DEFINE_special. Add --undefined as an alias for -z defs. * options.cc (General_options::parse_Bstatic): Remove. * options.h (class General_options): Add --fatal-warnings. * main.cc (main): Implement --fatal-warnings. * errors.h (Errors::warning_count): New function. * options.h (class General_options): Add -Bsymbolic-functions. * symtab.h (Symbol::is_preemptible): Check for -Bsymbolic-functions. 2008-05-05 Ian Lance Taylor * options.h (DEFINE_bool): For DASH_Z, create the negative option as noVARNAME rather than no-VARNAME. (class General_options): Add option -z combreloc. * output.h (class Output_reloc) [SHT_REL]: Declare compare and get_address. (Output_reloc::sort_before) [SHT_REL]: New function. (Output_reloc::sort_before) [SHT_RELA]: New function. (class Output_data_reloc_base): Add sort_relocs_ field. Define Sort_relocs_comparison. (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs parameter. Change all callers. (Output_data_reloc::Output_data_reloc) [both versions]: Add sort_relocs parameter. Change all callers. * output.cc (Output_reloc::get_address): New function, broken out of write_rel. (Output_reloc::write_rel): Call it. (Output_reloc::compare): New function. (Output_data_reloc_base::do_write): Optionally sort relocs. * configure.ac: If targ_extra_obj is set, link it in. * configure.tgt: Initialize all variables. (x86_64*): Set targ_extra_obj and targ_extra_size. * configure: Rebuild. * object.cc (Sized_relobj::include_section_group): Adjust section indexes read from group data. Build vector to pass to layout_group. * layout.cc (Layout::layout_group): Add flags and shndxes parameters. Remove contents parameter. Change caller. Update explicit instantiations. * layout.h (class Layout): Update layout_group declaration. * output.cc (Output_data_group::Output_data_group): Add flags and input_shndxes parameters. Remove contents parameter. Change caller. (Output_data_group::do_write): Change input_sections_ to input_shndxes_. * output.h (class Output_data_group): Update constructor declaration. Rename input_sections_ to input_shndxes_. * testsuite/many_sections_test.cc: Add template. 2008-04-30 Cary Coutant * target-reloc.h (relocate_section): Fix dead-pointer bug. * layout.cc (Layout::include_section): Refactored check for debug info section. (Layout::add_comdat): Add new parameters. Change type of signature parameter. Add object and shndx to signatures table. (Layout::find_kept_object): New function. * layout.h: Include . (Layout::is_debug_info_section): New function. (Layout::add_comdat): Add new parameters. (Layout::find_kept_object): New function. (Layout::Kept_section): New struct. (Layout::Signatures): Change type of map range. * object.cc (Relobj::output_section_address): New function. (Sized_relobj::include_section_group): Add new parameters. Change calls to Layout::add_comdat. Change to build table of kept comdat groups and table mapping discarded sections to kept sections. (Sized_relobj::include_linkonce_section): Likewise. Add new parameter. (Sized_relobj::do_layout): Change calls to include_section_group and include_linkonce_section. (Sized_relobj::do_finalize_local_symbols): Do not set local symbol value to zero when section is discarded. (Sized_relobj::map_to_kept_section): New function. * object.h (Relobj::output_section_address): New function. (Relobj::Comdat_group): New type. (Relobj::find_comdat_group): New function. (Relobj::Comdat_group_table): New type. (Relobj::Kept_comdat_section): New type. (Relobj::Kept_comdat_section_table): New type. (Relobj::add_comdat_group): New function. (Relobj::set_kept_comdat_section): New function. (Relobj::get_kept_comdat_section): New function. (Relobj::comdat_groups_): New field. (Relobj::kept_comdat_sections_): New field. (Symbol_value::input_value): Update comment. (Sized_relobj::map_to_kept_section) New function. (Sized_relobj::include_linkonce_section): Add new parameter. * target-reloc.h (Comdat_behavior): New type. (get_comdat_behavior): New function. (relocate_section): Add code to map a discarded section to the corresponding kept section when applying a relocation. 2008-04-30 Craig Silverstein * dwarf_reader.cc (next_generation_count): New static var. (Addr2line_cache_entry): New struct. (addr2line_cache): New static var. (Dwarf_line_info::one_addr2line): Added caching. (Dwarf_line_info::clear_addr2line_cache): New function. * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add cache-size parameter. (Dwarf_line_info::one_addr2line_cache): New function. * symtab.cc (Symbol_table::detect_odr_violations): Pass new cache-size argument to one_addr2line(), and clear cache. 2008-04-28 Cary Coutant * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and R_386_PC8 relocations. 2008-04-23 Ian Lance Taylor * object.cc (Sized_relobj::include_section_group): Check for invalid section group. * object.cc (make_elf_object): Correct test for 64-bit ELF file header size. * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather than read for file header. * archive.cc (Archive::include_member): Likewise. 2008-04-23 Paolo Bonzini * aclocal.m4: Regenerate. * configure: Regenerate. 2008-04-19 Ian Lance Taylor * version.cc (version_string): Bump to 1.6. * testsuite/Makefile.am (many_sections_r_test): New target. (many_sections_r_test_SOURCES): Remove. (many_sections_r_test_DEPENDENCIES): Remove. (many_sections_r_test_LDFLAGS): Remove. (many_sections_r_test_LDADD): Remove. * object.cc (Sized_relobj::do_add_symbols): Always pass local_symbol_count_ to add_from_relobj. * testsuite/Makefile.am (many_sections_check.h): Only check one in every thousand variables. * testsuite/Makefile.in: Rebuild. * object.cc (Xindex::initialize_symtab_xindex): New function. (Xindex::read_symtab_xindex): New function. (Xindex::sym_xindex_to_shndx): New function. (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if available. (Sized_relobj::do_initialize_xindex): New function. (Sized_relobj::do_read_symbols): Adjust section links. (Sized_relobj::symbol_section_and_value): Add is_ordinary parameter. Change all callers. (Sized_relobj::include_section_group): Adjust section links and symbol section indexes. (Sized_relobj::do_layout): Adjust section links. (Sized_relobj::do_count_local_symbols): Adjust section links and symbol section indexes. (Sized_relobj::do_finalize_local_symbols): Distinguish between ordinary and special symbols. (Sized_relobj::write_local_symbols): Add symtab_xindex and dynsym_xindex parameters. Change all callers. Adjust section links. Use SHN_XINDEX when needed. (Sized_relobj::get_symbol_location_info): Adjust section links. Don't get fooled by special symbols. * object.h (class Xindex): Define. (class Object): Add xindex_ parameter. Declare virtual functoin do_initialize_xindex. (Object::adjust_sym_shndx): New function. (Object::set_xindex): New protected function. (class Symbol_value): Add is_ordinary_shndx_ field. (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_. (Symbol_value::value): Assert ordinary section. (Symbol_value::initialize_input_to_output_map): Likewise. (Symbol_value::set_input_shndx): Add is_ordinary parameter. Change all callers. (Symbol_value::input_shndx): Add is_ordinary parameter. Change all callers. (class Sized_relobj): Update declarations. (Sized_relobj::local_symbol_input_shndx): Add is_ordinary parameter. Change all callers. (Sized_relobj::adjust_shndx): New function. * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_ field. (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section for SHT_DYNSYM section if available. Set dynsym_shndx_ field. (Sized_dynobj::read_dynsym_section): Adjust section links. (Sized_dynobj::read_dynamic): Likewise. (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust section links. (Sized_dynobj::do_initialize_xindex): New function. * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare do_initialize_xindex. (Sized_dynobj::adjust_shndx): New function. * layout.cc (Layout::Layout): Initialize symtab_xindex_ and dynsym_xindex_ fields. (Layout::finalize): Add a call to set_section_indexes before creating the symtab sections. (Layout::set_section_indexes): Don't do anything if the section already has a section index. (Layout::create_symtab_sections): Add shnum parameter. Change caller. Create .symtab_shndx section if needed. (Layout::create_shdrs): Add shstrtab_section parameter. Change caller. (Layout::allocated_output_section_count): New function. (Layout::create_dynamic_symtab): Create .dynsym_shndx section if needed. * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_ fields. Update declarations. (Layout::symtab_xindex): New function. (Layout::dynsym_xindex): New function. (class Write_symbols_task): Add layout_ field. (Write_symbols_task::Write_symbols_task): Add layout parameter. Change caller. * output.cc (Output_section_headers::Output_section_headers): Add shstrtab_section parameter. Change all callers. (Output_section_headers::do_sized_write): Store overflow values for section count and section string table section index in section header zero. (Output_file_header::do_sized_write): Check for overflow of section count and section string table section index. (Output_symtab_xindex::do_write): New function. (Output_symtab_xindex::endian_do_write): New function. * output.h (class Output_section_headers): Add shstrtab_section_. Update declarations. (class Output_symtab_xindex): Define. (Output_section::has_out_shndx): New function. * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_ field. (Symbol::init_base): Add st_shndx and is_ordinary parameters. Change all callers. (Sized_symbol::init): Likewise. (Symbol::output_section): Check for ordinary symbol. (Symbol_table::add_from_object): Remove orig_sym parameter. Add st_shndx, is_ordinary, and orig_st_shndx parameters. Change all callers. (Symbol_table::add_from_relobj): Add symndx_offset parameter. Change all callers. Simplify handling of symbols from sections not included in the link. (Symbol_table::add_from_dynobj): Handle ordinary symbol distinction. (Weak_alias_sorter::operator()): Assert that symbols are ordinary. (Symbol_table::sized_finalize_symbol): Handle ordinary symbol distinction. (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex parameters. Change all callers. (Symbol_table::sized_write_globals): Likewise. Handle ordinary symbol distinction. Use SHN_XINDEX when needed. (Symbol_table::write_section_symbol): Add symtab_xindex parameter. Change all callers. (Symbol_table::sized_write_section_symbol): Likewise. Use SHN_XINDEX when needed. * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update declarations. (Symbol::shndx): Add is_ordinary parameter. Change all callers. (Symbol::is_defined): Check is_ordinary. (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise. (Symbol::is_absolute, Symbol::is_common): Likewise. (class Sized_symbol): Update declarations. (class Symbol_table): Update declarations. * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary parameters. Change all callers. (Sized_symbol::override): Likewise. (Symbol_table::override): Likewise. (symbol_to_bits): Add is_ordinary parameter. Change all callers. (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx, is_ordinary, and orig_st_shndx parameters. Change all callers. * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol to be in an ordinary section. * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add object and is_ordinary parameters. Change all callers. (Sized_dwarf_line_info::read_relocs): Add object parameter. Change all callers. Don't add undefined or non-ordinary symbols to reloc_map_. (Sized_dwarf_line_info::read_line_mappings): Add object parameter. Change all callers. * dwarf_reader.h (class Sized_dwarf_line_info): Update declarations. * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol. * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links. (Sized_relobj::relocate_sections): Likewise. * target-reloc.h (scan_relocs): Adjust section symbol index. (scan_relocatable_relocs): Likewise. * i386.cc (Scan::local): Check for ordinary symbols. * sparc.cc (Scan::local): Likewise. * x86_64.cc (Scan::local): Likewise. * testsuite/binary_unittest.cc (Sized_binary_test): Update calls to symbol_section_and_value. * testsuite/many_sections_test.cc: New file. * testsuite/Makefile.am (BUILT_SOURCES): Define. (check_PROGRAMS): Add many_sections_test. (many_sections_test_SOURCES): Define. (many_sections_test_DEPENDENCIES): Define. (many_sections_test_LDFLAGS): Define. (BUILT_SOURCES): Add many_sections_define.h. (many_sections_define.h): New target. (BUILT_SOURCES): Add many_sections_check.h. (many_sections_check.h): New target. (check_PROGRAMS): Add many_sections_r_test. (many_sections_r_test_SOURCES): Define. (many_sections_r_test_DEPENDENCIES): Define. (many_sections_r_test_LDFLAGS): Define. (many_sections_r_test_LDADD): Define. (many_sections_r_test.o): New target. * testsuite/Makefile.in: Rebuild. 2008-04-17 Cary Coutant * errors.cc (Errors::info): New function. (gold_info): New function. * errors.h (Errors::info): New function. * gold.h (gold_info): New function. * object.cc (Input_objects::add_object): Print trace output. * options.cc (options::parse_set): New function. (General_options::parse_wrap): Deleted. (General_options::General_options): Deleted initializer. * options.h (options::String_set): New typedef. (options::parse_set): New function. (DEFINE_set): New macro. (General_options::wrap): Changed to use DEFINE_set. Changed callers of any_wrap_symbols and is_wrap_symbol. (General_options::trace, General_options::trace_symbol): New options. (General_options::any_wrap_symbols, General_options::is_wrap_symbol) (General_options::wrap_symbols_): Deleted. * symtab.cc (Symbol_table::add_from_object): Print trace output. 2008-04-17 David S. Miller * options.cc (General_options::parse_V): New function. * options.h: Add entries for -V and -Qy. 2008-04-17 Ian Lance Taylor * common.cc (Symbol_table::allocate_commons): Remove options parameter. Change caller. (Symbol_table::do_allocate_commons): Remove options parameter. Change caller. Just call do_allocate_commons_list twice. (Symbol_table::do_allocate_commons_list): New function, broken out of do_allocate_commons. * common.h (class Allocate_commons_task): Remove options_ field. Update constructor. * symtab.cc (Symbol_table::Symbol_table): Initialize tls_commons_. (Symbol_table::add_from_object): Put TLS common symbols on tls_commons_ list. (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols which are IN_OUTPUT_DATA. * symtab.h (class Symbol_table): Add tls_commons_ field. Update allocate_commons and do_allocate_commons declarations. Declare do_allocate_commons_list. * gold.cc (queue_middle_tasks): Update creation of Allocate_commons_task to not pass options. * testsuite/Makefile.am (INCLUDES): Add -I.. . (TLS_TEST_C_FLAGS): New variable. (tls_test_c_pic.o): New target. (tls_test_shared.so): Link in tls_test_c_pic.o. (tls_test_c_pic_ie.o): New target. (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o. (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o. (tls_test_c.o): New target. (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o. (tls_pic_test_LDADD): Likewise. (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o. (tls_shared_gd_to_ie_test_LDADD): Likewise. (tls_test_c_gnu2.o): New target. (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_gnu2.o. (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise. (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o. (tls_test_shared_nonpic.so): Link in tls_test_c.o. * testsuite/tls_test.cc: Include "config.h". (t_last): Call t11_last. * testsuite/tls_test.h (t11, t11_last): Declare. * testsuite/tls_test_c.c: New file. * testsuite/tls_test_main.cc (thread_routine): Call t11. * configure.ac: Check for OpenMP support. * configure, config.in, Makefile.in: Rebuild. * testsuite/Makefile.in: Rebuild. 2008-04-16 Cary Coutant * i386.cc (Target_i386::define_tls_base_symbol): New function. (Target_i386::tls_base_symbol_defined_): New field. (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol. (Target_i386::Scan::global): Likewise. * symtab.cc (sized_finalize_symbol): Add check for TLS symbol. * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function. (Target_x86_64::tls_base_symbol_defined_): New field. (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol. (Target_x86_64::Scan::global): Likewise. 2008-04-16 Cary Coutant * symtab.h (Symbol::is_strong_undefined): Removed unused function. (Symbol::needs_plt_entry): Allow weak undefined symbols. (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when building shared libraries. * testsuite/Makefile.am (weak_undef_nonpic_test): New target. (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o) (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets. * testsuite/Makefile.in: Rebuild. * testsuite/weak_undef.h: New file. * testsuite/weak_undef_file1.cc: Add extra test cases. * testsuite/weak_undef_file2.cc: Likewise. * testsuite/weak_undef_test.cc: Likewise. 2008-04-16 David S. Miller * sparc.cc (Target_sparc::Scan): Change from struct to class. Add issued_non_pic_error_ field. Declare check_non_pic. (Target_sparc::Scan::check_non_pic): New function. (Target_sparc::Scan::local): Call check_non_pic as appropriate. (Target_sparc::Scan::global): Likewise. * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64. * configure: Rebuild. * options.h (DEFINE_enable): New macro. (new_dtags): New enable option. (initfirst, interpose, loadfltr, nodefaultlib, nodelete, nodlopen, nodump): New -z options. * layout.cc (Layout:finish_dynamic_section): If new dtags enabled, emit DT_RUNPATH. Also, emit a DT_FLAGS_1 containing any specified -z flags. 2008-04-16 Ian Lance Taylor * copy-relocs.cc: New file. * copy-relocs.h: New file. * reloc.cc: Remove Copy_relocs code. * reloc.h: Likewise. * reloc-types.h (struct Reloc_types) [both versions]: Add get_reloc_addend_noerror. * output.h (class Output_data_reloc): Add variants of add_global which take an addend which must be zero. * i386.cc: Include "copy-relocs.h". (class Target_i386): Change type of copy_relocs_ to variable, update initializer. (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class. Change all callers. (Target_i386::do_finalize_sections): Change handling of copy_relocs_. * sparc.cc: Include "copy-relocs.h". (class Target_sparc): Change type of copy_relocs_ to variable, update initializer. (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class. Change all callers. (Target_sparc::do_finalize_sections): Change handling of copy_relocs_. * x86_64.cc: Include "copy-relocs.h". (class Target_x86_64): Change type of copy_relocs_ to variable, update initializer. (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs class. Change all callers. (Target_x86_64::do_finalize_sections): Change handling of copy_relocs_. * Makefile.am (CCFILES): Add copy-relocs.cc. (HFILES): Add copy-relocs.h. * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild. * testsuite/script_test_4.sh: Permit leading zeroes. 2008-04-15 Ian Lance Taylor * script-sections.cc (Script_sections::create_segments): Use header_size_adjustment even when there is enough room for the headers. * testsuite/script_test_4.sh: New file. * testsuite/script_test_4.t: New file. * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh. (check_DATA): Add script_test_4.stdout. (MOSTLYCLEANFILES): Likewise. (script_test_4): New target. (script_test_4.stdout): New target. * testsuite/Makefile.in: Rebuild. * sparc.cc: Add definitions for Output_data_plt_sparc class constants. 2008-04-14 David S. Miller * sparc.cc: New file. * Makefile.am (TARGETSOURCES): Add sparc.cc (ALL_TARGETOBJS): Add sparc.$(OBJEXT) * configure.tgt: Document targ_extra_size and targ_extra_big_endian. Add entries for sparc-* and sparc64-*. * configure.ac: Handle targ_extra_size and targ_extra_big_endian. * Makefile.in: Rebuild. * configure: Likewise. * po/POTFILES.in: Likewise. * po/gold.pot: Likewise. 2008-04-14 Ian Lance Taylor * layout.cc (Layout::Layout): Initialize sections_are_attached_. (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR in the name/type/flags to section mapping. Don't call allocate_output_section. (Layout::choose_output_section): Change parameter from adjust_name to is_input_section. Don't permit input sections after sections are attached to segments. Don't call allocate_output_section. (Layout::layout_eh_frame): Call update_flags_for_input_section, not write_enable_output_section. (Layout::make_output_section): Don't push to unattached_section_list_ nor call attach_to_segment. Call attach_section_to_segment if sections are attached. (Layout::attach_sections_to_segments): New function. (Layout::attach_section_to_segment): New function. (Layout::attach_allocated_section_to_segment): Rename from attach_to_segment. Remove flags parameter. (Layout::allocate_output_section): Remove function. (Layout::write_enable_output_section): Remove function. * layout.h (class Layout): Update for above changes. Add new field sections_are_attached_. * output.h (Output_section::update_flags_for_input_section): New function. * output.cc (Output_section::add_input_section): Call update_flags_for_input_section. * gold.cc (queue_middle_tasks): Call attach_sections_to_segments. 2008-04-11 Cary Coutant * i386.cc (Target_i386::got_mod_index_entry): Restore code previously thought unnecessary. * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise. 2008-04-11 Ian Lance Taylor * output.h (class Output_section_data): Remove inline definition of set_addralign. * output.cc (Output_section_data::set_addralign): New function. 2008-04-11 Cary Coutant Add support for TLS descriptors for i386 and x86_64. * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function. (Target_i386::Relocate::tls_desc_gd_to_le): New function. (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and GOT_TYPE_TLS_DESC. (Target_i386::got_mod_index_entry): Remove unnecessary code. (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec relocations. (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation. Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations; Fix problem with initial-exec relocations. (Target_i386::Relocate::relocate_tls): Likewise. (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE relaxation. * output.cc (Output_data_dynamic::Dynamic_entry::write): Add support for section-plus-offset dynamic table entries. * output.h (Output_data_dynamic::add_section_plus_offset): New function. (Output_data_dynamic::Dynamic_entry): Add support for section-plus-offset dynamic table entries. (Output_data_dynamic::Classification): Likewise. (Output_data_dynamic::classification_): Renamed offset_. * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function. (Target_x86_64::Relocate::tls_desc_gd_to_le): New function. (Target_x86_64::make_plt_section): New function. (Target_x86_64::reserve_tlsdesc_entries): New function. (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter. (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function. (Output_data_plt_x86_64::has_tlsdesc_entry): New function. (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function. (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function. (Output_data_plt_x86_64::tlsdesc_plt_entry): New field. (Output_data_plt_x86_64::set_final_data_size): Move out of line; add extra PLT entry for TLS descriptors. (Output_data_plt_x86_64::got_): New field. (Output_data_plt_x86_64::tlsdesc_got_offset_): New field. (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new fields. (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS descriptors. (Target_x86_64::make_plt_entry): Factor out make_plt_section. (Target_x86_64::got_mod_index_entry): Remove unnecessary code. (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations. (Target_x86_64::Scan::global): Likewise. (Target_x86_64::do_finalize_sections): Add dynamic table entries for TLS descriptors. (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation. Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations. (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE relaxation. * configure.ac: Export new conditional variables TLS_GNU2_DIALECT and TLS_DESCRIPTORS. * Makefile.in: Rebuild. * configure: Rebuild. * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target. (tls_test_shared2.so): New target. (tls_shared_gd_to_ie_test_SOURCES): New variable. (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable. (tls_shared_gd_to_ie_test_LDFLAGS): New variable. (tls_shared_gd_to_ie_test_LDADD): New variable. (tls_shared_gnu2_gd_to_ie_test): New target. (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so): New targets. (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable. (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable. (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable. (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable. (tls_shared_gnu2_test): New target. (tls_test_gnu2_shared.so): New target. (tls_shared_gnu2_test_SOURCES): New variable. (tls_shared_gnu2_test_DEPENDENCIES): New variable. (tls_shared_gnu2_test_LDFLAGS): New variable. (tls_shared_gnu2_test_LDADD): New variable. * testsuite/Makefile.in: Rebuild. * testsuite/Makefile. 2008-04-11 Ian Lance Taylor * testsuite/Makefile.am (justsyms_2r.o): Add dependency on justsyms.t. * testsuite/Makefile.in: Rebuild. * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes long. * testsuite/script_test_2.cc (main): Adjust test. 2008-04-11 David S. Miller Ian Lance Taylor * options.h (General_options): Add entries for '-Y' and '-relax'. * options.cc (General_options:finalize): If -Y was used, add those entries to the library path instead of the default "/lib" and "/usr/lib". 2008-04-11 David S. Miller * testsuite/justsyms.t: Start at 0x100. * testsuite/justsyms_1.cc: Adjust justsyms_string assertion. * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes long. * testsuite/script_test_2.cc: Adjust string and section length checks. 2008-04-09 Ian Lance Taylor PR gold/5996 * script-sections.cc (Sections_element::allocate_to_segment): Add orphan parameter. (Output_section_definition::allocate_to_segment): Likewise. (Orphan_output_section::allocate_to_segment): Likewise. (Script_sections::attach_sections_using_phdrs_clause): Don't propagate non-PT_LOAD segments to orphan sections. * testsuite/Makefile.am (script_test_3.stdout): Generate using readelf rather than objdump. * testsuite/script_test_3.sh: Adjust accordingly. Test that .interp section and PT_INTERP segment are the same size. * testsuite/Makefile.in: Rebuild. * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak aliases for symbols defined in the same object. * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test. (weak_alias_test_SOURCES): New variable. (weak_alias_test_DEPENDENCIES): New variable. (weak_alias_test_LDFLAGS): New variable. (weak_alias_test_LDADD): New variable. (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets. (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets. (weak_alias_test_3.o): New target. (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets. * testsuite/weak_alias_test_main.cc: New file. * testsuite/weak_alias_test_1.cc: New file. * testsuite/weak_alias_test_2.cc: New file. * testsuite/weak_alias_test_3.cc: New file. 2008-04-08 Ian Lance Taylor * options.h (class General_options): Add --noinhibit-exec option. * main.cc (main): Check --noinhibit-exec. * options.h (class General_options): Define --wrap as a special option. Add wrap_symbols_ field. (General_options::any_wrap_symbols): New function. (General_options::is_wrap_symbol): New function. * options.cc (General_options::parse_wrap): New function. (General_options::General_options): Initialize wrap_symbols_. * symtab.cc (Symbol_table::wrap_symbol): New function. (Symbol_table::add_from_object): Handle --wrap. * symtab.h (class Symbol_table): Declare wrap_symbol. * target.h (Target::wrap_char): New function. (Target::Target_info): Add wrap_char field. * i386.cc (Target_i386::i386_info): Initialize wrap_char. * x86_64.cc (Target_x86_64::x86_64_info): Likewise. * testsuite/testfile.cc (Target_test::test_target_info): Likewise. * errors.cc (Errors::undefined_symbol): Mention symbol version if there is one. * layout.h (class Layout): Add added_eh_frame_data_ field. * layout.cc (Layout::Layout): Initialize new field. (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame output section until we find a section we merged successfully. * object.cc (Sized_relobj::check_eh_frame_flags): Don't require that the size be non-zero. * merge.cc (Object_merge_map::get_output_offset): Remove inline qualifier. 2008-04-08 Craig Silverstein * configure.ac: Export new conditional variable HAVE_ZLIB. * testsuite/Makefile.am (flagstest_o_specialfile): Condition on HAVE_ZLIB. (flagstest_o_specialfile_and_compress_debug_sections): Likewise. * configure, Makefile.in, testsuite/Makefile.in: Rebuild. 2008-04-07 Ian Lance Taylor * version.cc (version_string): Set to "1.5". * x86_64.cc (Target_x86_64::Scan): Change from struct to class. Add issued_non_pic_error_ field. Declare check_non_pic. (Target_x86_64::Scan::check_non_pic): New function. (Target_x86_64::Scan::local): Call check_non_pic as appropriate. (Target_x86_64::Scan::global): Likewise. * output.cc (Output_reloc::local_section_offset): Add addend parameter. Change caller. Handle merge sections. (Output_reloc::symbol_value): Change parameter type from Address to Addend. Don't add in the result of local_section_offset, pass down the addend and use the returned value. * output.h (class Output_reloc): Add Addend typedef. Update declarations of local_section_offset and symbol_value. * testsuite/two_file_test_1.cc (t18): New function. * testsuite/two_file_test_2.cc (f18): New function. * testsuite/two_file_test_main.cc (main): Call t18. * testsuite/two_file_test.h (t18, f18): Declare. * configure.ac: Don't test for objdump, c++filt, or readelf. * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT conditionals. (TEST_READELF): New variable. (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables. (check_PROGRAMS): Add two_file_strip_test. (two_file_strip_test): New target. (check_PROGRAMS): Add two_file_same_shared_strip_test. (two_file_same_shared_strip_test_SOURCES): New variable. (two_file_same_shared_strip_test_DEPENDENCIES): New variable. (two_file_same_shared_strip_test_LDFLAGS): New variable. (two_file_same_shared_strip_test_LDADD): New variable. (two_file_shared_strip.so): New target. (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF. (ver_test_5.syms, ver_test_7.syms): Likewise. (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT. (strip_test_3.stdout): Use TEST_OBJDUMP. * configure, Makefile.in, testsuite/Makefile.in: Rebuild. 2008-04-04 Cary Coutant * symtab.h (Symbol::is_weak_undefined): New function. (Symbol::is_strong_undefined): New function. (Symbol::is_absolute): New function. (Symbol::needs_plt_entry): Exclude weak undefined symbols. (Symbol::needs_dynamic_reloc): Exclude weak undefined and absolute symbols. * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test. (weak_undef_test): New target. * testsuite/Makefile.in: Rebuild. * testsuite/weak_undef_file1.cc: New file. * testsuite/weak_undef_file2.cc: New file. * testsuite/weak_undef_test.cc: New file. 2008-04-03 Craig Silverstein * compressed_output.h (class Output_compressed_section): Use unsigned buffer. * compressed_output.cc (zlib_compress): Use unsigned buffers, add zlib header. (zlib_compressed_suffix): Removed. (Output_compressed_section::set_final_data_size): Use unsigned buffers. * testsuite/Makefile.am (flagstest_compress_debug_sections): Fix linker invocation. (flagstest_o_specialfile_and_compress_debug_sections): Likewise. * testsuite/Makefile.in: Regenerated. 2008-04-02 David S. Miller * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog, Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned. 2008-04-02 Craig Silverstein * TODO: New file. 2008-04-02 Ian Lance Taylor * fileread.cc (File_read::find_view): Add byteshift and vshifted parameters. Update for new key type to views_. Change all callers. (File_read::read): Adjust for byteshift in returned view. (File_read::add_view): New function, broken out of find_and_make_view. (File_read::make_view): New function, broken out of find_and_make_view. (File_read::find_or_make_view): Add offset and aligned parameters. Rewrite accordingly. Change all callers. (File_read::get_view): Add offset and aligned parameters. Adjust for byteshift in return value. (File_read::get_lasting_view): Likewise. * fileread.h (class File_read): Update declarations. (class File_read::View): Add byteshift_ field. Add byteshift to constructor. Add byteshift method. * archive.h (Archive::clear_uncached_views): New function. (Archive::get_view): Add aligned parameter. Change all callers. * object.h (Object::get_view): Add aligned parameter. Change all callers. (Object::get_lasting_view): Likewise. * fileread.cc (File_read::release): Don't call clear_views if there are multiple objects. * fileread.h (File_read::clear_uncached_views): New function. * archive.cc (Add_archive_symbols::run): Call clear_uncached_views on the archive. 2008-03-31 Cary Coutant Add thin archive support. * archive.cc (Archive::armagt): New const. (Archive::setup): Remove task parameter and calls to unlock. (Archive::unlock_nested_archives): New function. (Archive::read_header): Add nested_off parameter. Change all callers. (Archive::interpret_header): Likewise. (Archive::include_all_members): Change to handle thin archives. (Archive::include_member): Likewise. * archive.h (Archive::Archive): Add new parameters and initializers. (Archive::armagt): New const. (Archive::setup): Remove task parameter. (Archive::unlock_nested_archives): New function. (Archive::read_header): Add nested_off parameter. (Archive::interpret_header): Likewise. (Archive::Nested_archive_table): New typedef. (Archive::is_thin_archive_): New field. (Archive::nested_archives_): New field. (Archive::options_): New field. (Archive::dirpath_): New field. (Archive::task_): New field. * readsyms.cc (Read_symbols::do_read_symbols): Add check for thin archives. Pass additional parameters to Archive::Archive. Unlock the archive file after calling Archive::setup. 2008-03-29 Ian Lance Taylor * symtab.cc (Symbol_table::do_define_as_constant): Don't force a version symbol to be local. * testsuite/ver_test_4.sh: New file. * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh. (check_DATA): Add ver_test_4.syms. (ver_test_4.syms): New target. * testsuite/Makefile.in: Rebuild. * output.cc (Output_section::Input_section_sort_entry::has_priority): New function. (Output_section::Input_section_sort_entry::match_file_name): New function. (Output_section::Input_section_sort_entry::match_section_name): Remove. (Output_section::Input_section_sort_entry::match_section_name_prefix): Remove. (Output_section::Input_section_sort_entry::match_section_file): Remove. (Output_section::Input_section_sort_compare::operator()): Rewrite using new Input_section_sort_entry functions. Sort crtbegin and crtend first. Sort sections with no priority before sections with a priority. * testsuite/initpri1.c (d3): Check j != 4. (cd5): New constructor/destructor function. (main): Check j != 2. * symtab.cc (Symbol_table::add_from_object): If we don't use the new symbol when resolving, don't call set_is_default. * testsuite/ver_test_7.cc: New file. * testsuite/ver_test_7.sh: New file. * testsuite/Makefile.am (ver_test_7.so): New target. (ver_test_7.o): New target. (check_SCRIPTS): Add ver_test_7.sh. (check_DATA): Add ver_test_7.syms. (ver_test_7.syms): New target. 2008-03-28 Ian Lance Taylor * layout.cc (Layout::layout): If we see an input section with a name that needs sorting, set the must_sort flag for the output section. (Layout::make_output_section): If the name of the output section indicates that it might require sorting, set the may_sort flag. * output.h (Output_section::may_sort_attached_input_sections): New function. (Output_section::set_may_sort_attached_input_sections): New function. (Output_section::must_sort_attached_input_sections): New function. (Output_section::set_must_sort_attached_input_sections): New function. (class Output_section): Declare Input_section_sort_entry. Define Input_section_sort_compare. Declare sort_attached_input_sections. Add new fields: may_sort_attached_input_sections_, must_sort_attached_input_sections_, attached_input_sections_are_sorted_. * output.cc (Output_section::Output_section): Initialize new fields. (Output_section::add_input_section): Add an entry to input_sections_ if may_sort or must_sort are true. (Output_section::set_final_data_size): Call sort_attached_input_sections if necessary. (Output_section::Input_section_sort_entry): Define new class. (Output_section::Input_section_sort_compare::operator()): New function. (Output_section::sort_attached_input_sections): New function. * configure.ac: Check whether the compiler supports constructor priorities. Define a CONSTRUCTOR_PRIORITY automake conditional. * testsuite/initpri1.c: New file. * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if CONSTRUCTOR_PRIORITY. (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables. (initpri1_LDFLAGS): New variable. * configure, Makefile.in, testsuite/Makefile.in: Rebuild. 2008-03-27 Ian Lance Taylor * common.cc (Sort_commons::operator): Correct sorting algorithm. * testsuite/common_test_1.c: New file. * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1. (common_test_1_SOURCES): New variable. (common_test_1_DEPENDENCIES): New variable. (common_test_1_LDFLAGS): New variable. * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_ and commons_ correctly when NAME/VERSION does not override NAME/NULL. * testsuite/ver_test_6.c: New file. * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables. (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables. 2008-03-26 Ian Lance Taylor * symtab.cc (Symbol_table::add_from_relobj): Don't set the version of an undefined symbol from a version script. * testsuite/Makefile.am (ver_test_5.so): New target. (ver_test_5.o): New target. (check_SCRIPTS): Add ver_test_5.sh. (check_DATA): Add ver_test_5.syms. (ver_test_5.syms): New target. * testsuite/ver_test_5.cc: New file. * testsuite/ver_test_5.script: New file. * testsuite/ver_test_5.sh: New file. * Makefile.in, testsuite/Makefile.in: Rebuild. PR gold/5986 Fix problems building gold with gcc 4.3.0. * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define. (gold_error_at_location, gold_warning_at_location): Use it. * configure.ac: Check whether we can compile and use a template function with a printf attribute. * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value when jumping over bytes. * object.cc: Instantiate Object::read_section_data. * debug.h: Include * dwarf_reader.cc: Include * main.cc: Include . * options.cc: Include . * output.cc: Include . * script.cc: Include . * script.h: Include . * symtab.cc: Include and . * target-select.cc: Include . * version.cc: Include . * testsuite/testmain.cc: Include . * configure, config.in: Rebuild. 2008-03-25 Ian Lance Taylor * options.cc: Include "../bfd/bfdver.h". (options::help): Print bug reporting address. * version.cc (print_version): Adjust output for current value of BFD_VERSION_STRING. * NEWS: New file. * options.cc (options::help): Print list of supported targets. * target-select.h: Include . (class Target_selector): Make machine_, size_, and is_big_endian_ fields const. Add bfd_name_ and instantiated_target_ fields. (Target_selector::Target_selector): Add bfd_name parameter. (Target_selector::recognize): Make non-virtual, call do_recognize. (Target_selector::recognize_by_name): Make non-virtual, call do_recognize_by_name. (Target_selector::supported_names): New function. (Target_selector::bfd_name): New function. (Target_selector::do_instantiate_target): New pure virtual function. (Target_selector::do_recognize): New virtual function. (Target_selector::do_recognize_by_name): New virtual function. (Target_selector::instantiate_target): New private function. (supported_target_names): Declare. * target-select.cc (Target_selector::Target_selector): Update for new parameter and fields. (select_target_by_name): Check that the name matches before calling recognize_by_name. (supported_target_names): New function. * i386.cc (class Target_selector_i386): Update Target_selector constructor call. Remove recognize and recognize_by_name. Add do_instantiate_target. * x86_64.cc (class Target_selector_x86_64): Likewise. * testsuite/testfile.cc (class Target_selector_test): Update for changes to Target_selector. * README: Rewrite, with some notes on unsupported features. 2008-03-24 Cary Coutant * i386.cc (Target_i386::Got_type): New enum declaration. (Target_i386::Scan::local): Updated callers of Output_data_got member functions. (Target_i386::Scan::global): Likewise. (Target_i386::Relocate::relocate): Likewise. (Target_i386::Relocate::relocate_tls): Likewise. * object.h (Got_offset_list): New class. (Sized_relobj::local_has_got_offset): Added got_type parameter. (Sized_relobj::local_got_offset): Likewise. (Sized_relobj::set_local_got_offset): Likewise. (Sized_relobj::local_has_tls_got_offset): Removed. (Sized_relobj::local_tls_got_offset): Removed. (Sized_relobj::set_local_tls_got_offset): Removed. (Sized_relobj::Local_got_offsets): Changed to store a list of offsets. * output.cc (Output_data_got::add_global): Added got_type parameter. (Output_data_got::add_global_with_rel): Likewise. (Output_data_got::add_global_with_rela): Likewise. (Output_data_got::add_global_pair_with_rel): New function. (Output_data_got::add_global_pair_with_rela): New function. (Output_data_got::add_local): Added got_type parameter. (Output_data_got::add_local_with_rel): Likewise. (Output_data_got::add_local_with_rela): Likewise. (Output_data_got::add_local_pair_with_rel): New function. (Output_data_got::add_local_pair_with_rela): New function. (Output_data_got::add_global_tls): Removed. (Output_data_got::add_global_tls_with_rel): Removed. (Output_data_got::add_global_tls_with_rela): Removed. (Output_data_got::add_local_tls): Removed. (Output_data_got::add_local_tls_with_rel): Removed. (Output_data_got::add_local_tls_with_rela): Removed. * output.h (Output_data_got::add_global): Added got_type parameter. (Output_data_got::add_global_with_rel): Likewise. (Output_data_got::add_global_with_rela): Likewise. (Output_data_got::add_global_pair_with_rel): New function. (Output_data_got::add_global_pair_with_rela): New function. (Output_data_got::add_local): Added got_type parameter. (Output_data_got::add_local_with_rel): Likewise. (Output_data_got::add_local_with_rela): Likewise. (Output_data_got::add_local_pair_with_rel): New function. (Output_data_got::add_local_pair_with_rela): New function. (Output_data_got::add_global_tls): Removed. (Output_data_got::add_global_tls_with_rel): Removed. (Output_data_got::add_global_tls_with_rela): Removed. (Output_data_got::add_local_tls): Removed. (Output_data_got::add_local_tls_with_rel): Removed. (Output_data_got::add_local_tls_with_rela): Removed. * resolve.cc (Symbol::override_base_with_special): Removed reference to has_got_offset_ field. * symtab.cc (Symbol::init_fields): Replaced initialization of got_offset_ with got_offsets_. Removed initialization of has_got_offset_ * symtab.h (Symbol::has_got_offset): Aded got_type parameter. (Symbol::got_offset): Likewise. (Symbol::set_got_offset): Likewise. (Symbol::has_tls_got_offset): Removed. (Symbol::tls_got_offset): Removed. (Symbol::set_tls_got_offset): Removed. (Symbol::got_offset_): Removed. (Symbol::tls_mod_got_offset_): Removed. (Symbol::tls_pair_got_offset_): Removed. (Symbol::got_offsets_): New field. (Symbol::has_got_offset): Removed. (Symbol::has_tls_mod_got_offset): Removed. (Symbol::has_tls_pair_got_offset): Removed. * x86_64.cc (Target_x86_64::Got_type): New enum declaration. (Target_x86_64::Scan::local): Updated callers of Output_data_got member functions. (Target_x86_64::Scan::global): Likewise. (Target_x86_64::Relocate::relocate): Likewise. (Target_x86_64::Relocate::relocate_tls): Likewise. 2008-03-25 Ben Elliston * yyscript.y: Fix spelling error in comment. 2008-03-24 Ian Lance Taylor * options.h (class General_options): Define build_id option. * layout.h (class Layout): Declare write_build_id, create_note, create_build_id. Add build_id_note_ member. * layout.cc: Include , , , "libiberty.h", "md5.h", "sha1.h". (Layout::Layout): Initialize eh_frame_data_, eh_frame_hdr_section_, and build_id_note_. (Layout::finalize): Call create_build_id. (Layout::create_note): New function, broken out of Layout::create_gold_note. (Layout::create_gold_note): Call create_note. (Layout::create_build_id): New function. (Layout::write_build_id): New function. (Close_task_runner::run): Call write_build_id. * x86_64.cc: Correct license to GPLv3. 2008-03-23 Ian Lance Taylor * options.cc: Include "demangle.h". (parse_optional_string): New function. (parse_long_option): Handle takes_optional_argument. (parse_short_option): Update dash_z initializer. Handle takes_optional_argument. (General_options::General_options): Initialize do_demangle_. (General_options::finalize): Set do_demangle_. Handle demangling style. * options.h (parse_optional_string): Declare. (struct One_option): Add optional_arg field. Update constructor. Update call constructor calls. Add takes_optional_argument function. (DEFINE_var): Add optional_arg__ parameter. Change all callers. (DEFINE_optional_string): Define. (General_options::demangle): Change from DEFINE_bool to DEFINE_optional_string. (General_options::no_demangle): New function. (General_options::do_demangle): New function. (General_options::set_do_demangle): New function. (General_options::execstack_status_): Move definition to end of class definition. (General_options::static_): Likewise. (General_options::do_demangle_): New field. * object.cc (big_endian>::get_symbol_location_info): Call Options::do_demangle, not Options::demangle. * symtab.cc (demangle): Likewise. 2008-03-22 Ian Lance Taylor * gold.h: Include and * options.h: Include . 2008-03-21 Ian Lance Taylor * Added source code to GNU binutils.