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2009-06-052009-06-05 Doug Kwan <dougkwan@google.com>Doug Kwan1-1/+23
* 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.
2009-06-052009-06-05 Doug Kwan <dougkwan@google.com>Doug Kwan1-4/+20
* 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.
2009-05-22 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if theSriraman Tallam1-2/+2
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.
2009-03-24 * object.cc (is_elf_object): Define.Ian Lance Taylor1-0/+27
* object.h (is_elf_object): Declare. * archive.cc (Archive::get_elf_object_for_member): Call is_elf_object. * readsymc.cc (Read_symbols::do_read_symbols): Likewise.
2009-03-14 * readsyms.cc (Read_symbols::incompatible_warning): New function.Ian Lance Taylor1-13/+29
(Read_symbols::requeue): New function. (Read_symbols::do_read_symbols): If make_elf_object fails because the target type is not configured, and the file was searched for, issue a warning and retry with the next directory. (Add_symbols::run): If the file has an incompatible format, and it was searched for, requeue the Read_symbols task. On error, release the object. * readsyms.h (class Read_symbols): Add dirindex_ field. Add dirindex parameter to constructor. Change all callers. Declare incompatible_warning and requeue. (class Add_symbols): Add dirpath_, dirindex_, mapfile_, input_argument_ and input_group_ fields. Add them to constructor. Change all callers. (class Read_script): Add dirindex_ field. Add it to constructor. Change all callers. * archive.cc (Archive::setup): Remove input_objects parameter. Change all callers. (Archive::get_file_and_offset): Likewise. (Archive::read_all_symbols): Likewise. (Archive::read_symbols): Likewise. (Archive::get_elf_object_for_member): Remove input_objects parameter. Add punconfigured parameter. Change all callers. (Archive::add_symbols): Change return type to bool. Check return value of include_member. (Archive::include_all_members): Likewise. (Archive::include_member): Change return type to bool. Return false if first included object has incompatible target. Set included_member_ field. (Add_archive_symbols::run): If add_symbols returns false, requeue Read_symbols task. * archive.h (class Archive): Add included_member_ field. Initialize it in constructor. Add input_file and searched_for methods. Update declarations. (class Add_archive_symbols): Add dirpath_, dirindex_, and input_argument_ fields. Add them to constructor. Change all callers. * script.cc: Include "target-select.h". (class Parser_closure): Add skip_on_incompatible_target_ and found_incompatible_target_ fields. Add skip_on_incompatible_target parameter to constructor. Change all callers. Add methods skip_on_incompatible_target, clear_skip_on_incompatible_target, found_incompatible_target, and set_found_incompatible_target. (read_input_script): Add dirindex parameter. Change all callers. If parser finds an incompatible target, requeue Read_symbols task. (script_set_symbol): Clear skip_on_incompatible_target in closure. (script_add_assertion, script_parse_option): Likewise. (script_start_sections, script_add_phdr): Likewise. (script_check_output_format): New function. * script.h (read_input_script): Update declaration. * script-c.h (script_check_output_format): Declare. * yyscript.y (file_cmd): Handle OUTPUT_FORMAT. (ignore_cmd): Remove OUTPUT_FORMAT. * fileread.cc (Input_file::Input_file): Add explicit this. (Input_file::will_search_for): New function. (Input_file::open): Add pindex parameter. Change all callers. * fileread.h (class Input_file): Add input_file_argument method. Declare will_search_for. Update declarations. * object.cc (make_elf_object): Add punconfigured parameter. Change all callers. * object.h (class Object): Make input_file public. Add searched_for method. (make_elf_object): Update declaration. * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to restart search. * dirsearch.h (class Dirsearch): Update declaration. * options.h (class General_options): Add --warn-search-mismatch. * parameters.cc (Parameters::is_compatible_target): New function. * parameters.h (class Parameters): Declare is_compatible_target. * workqueue.cc (Workqueue::add_blocker): New function. * workqueue.h (class Workqueue): Declare add_blocker.
2009-03-01 * layout.cc (Layout::find_or_add_kept_section): New function.Ian Lance Taylor1-34/+33
(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 PR 6992Ian Lance Taylor1-1/+2
* symtab.cc (Symbol_table::sized_write_section_symbol): In a relocatable link set the value of the section symbol to zero. * object.cc (Sized_relobj::do_finalize_local_symbols): In a relocatable link don't include the section address in the local symbol value.
2009-02-28 PR 6811Ian Lance Taylor1-24/+0
* options.h (class Search_directory): Add is_system_directory. (class General_options): Declare is_in_system_directory. * options.cc (get_relative_sysroot): Make static. (get_default_sysroot): Make static. (General_optoins::is_in_system_directory): New function. * fileread.cc (Input_file::is_in_system_directory): New function. * fileread.h (class Input_file): Declare is_in_system_directory. * object.h (class Object): Add is_in_system_directory. (class Input_objects): Remove system_library_directory_ field. * object.cc (Input_objects::add_object): Don't set system_library_directory_. (input_objects::found_in_system_library_directory): Remove. * symtab.cc (Symbol_table::write_globals): Remove input_objects parameter. Change all callers. (Symbol_table::sized_write_globals): Likewise. (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise. Call Object::is_in_system_directory. * symtab.h (class Symbol_table): Update declarations.
2009-02-28 PR 7091Ian Lance Taylor1-10/+21
* output.cc (Output_section::find_starting_output_address): Rename from starting_output_address; add PADDR parameter; change return type. * output.h (class Output_section): Declare find_starting_output_address instead of starting_output_address. * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a section symbol for which we can't find a merge section.
2009-02-13 (From Rafael Espindola)Cary Coutant1-1/+2
* archive.cc (Archive::include_member): Update calls to add_symbols. * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add the Layout argument. * dynobj.h (do_add_symbols): Add the Layout argument. * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the Layout argument. * object.h (Object::add_symbols): Add the Layout argument. (Object::do_add_symbols): Add the Layout argument. (Sized_relobj::do_add_symbols): Add the Layout argument. * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols): Unify the two versions. (Add_plugin_symbols): Remove. * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove. (Sized_pluginobj::do_add_symbols): Unify the two versions. (Add_plugin_symbols): Remove. * readsyms.cc (Read_symbols::do_read_symbols): Update call to Add_symbols. Use Add_symbols instead of Add_plugin_symbols. (Add_symbols::run): Make it work with Pulginobj.
2009-02-07 * object.cc (Sized_relobj::do_layout): Make info message startIan Lance Taylor1-1/+1
with lower case letter.
2009-01-28 * gold.h: Include <cstring> and <stdint.h>.Ian Lance Taylor1-1/+1
* version.cc: Include <cstdio>. * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a warning. * reduced_debug_output.cc (insert_into_vector): Rename from Insert_into_vector; change all callers. Use Swap_unaligned to avoid aliasing issue; remove union since it is unnecessary.
2009-01-282009-01-20 Sriraman Tallam <tmsriram@google.com>Sriraman Tallam1-70/+288
* 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.
2009-01-15 * object.cc (Sized_relobj::write_local_symbols): Don't write outIan Lance Taylor1-6/+9
local symbols when stripping all symbols.
2008-12-23 * object.cc (Sized_relobj::layout_section): New function.Cary Coutant1-14/+81
(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.
2008-09-29 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.Cary Coutant1-7/+7
* 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.
2008-07-22 * cref.cc: New file.Ian Lance Taylor1-1/+66
* 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.
2008-07-10 Handle output sections with more than 0x7fffffff bytes.Ian Lance Taylor1-43/+53
* 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.
2008-06-252008-06-25 Cary Coutant <ccoutant@google.com>Cary Coutant1-0/+6
* 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.
2008-05-05 * object.cc (Sized_relobj::include_section_group): Adjust sectionIan Lance Taylor1-5/+15
indexes read from group data. Build vector to pass to layout_group. * layout.cc (Layout::layout_group): Add flags and shndxes parameters. Remove contents parameter. Change caller. Update explicit instantiations. * layout.h (class Layout): Update layout_group declaration. * output.cc (Output_data_group::Output_data_group): Add flags and input_shndxes parameters. Remove contents parameter. Change caller. (Output_data_group::do_write): Change input_sections_ to input_shndxes_. * output.h (class Output_data_group): Update constructor declaration. Rename input_sections_ to input_shndxes_. * testsuite/many_sections_test.cc: Add template.
2008-05-01 * layout.cc (Layout::include_section): Refactored check for debugCary Coutant1-25/+159
info section. (Layout::add_comdat): Add new parameters. Change type of signature parameter. Add object and shndx to signatures table. (Layout::find_kept_object): New function. * layout.h: Include <cstring>. (Layout::is_debug_info_section): New function. (Layout::add_comdat): Add new parameters. (Layout::find_kept_object): New function. (Layout::Kept_section): New struct. (Layout::Signatures): Change type of map range. * object.cc (Relobj::output_section_address): New function. (Sized_relobj::include_section_group): Add new parameters. Change calls to Layout::add_comdat. Change to build table of kept comdat groups and table mapping discarded sections to kept sections. (Sized_relobj::include_linkonce_section): Likewise. Add new parameter. (Sized_relobj::do_layout): Change calls to include_section_group and include_linkonce_section. (Sized_relobj::do_finalize_local_symbols): Do not set local symbol value to zero when section is discarded. (Sized_relobj::map_to_kept_section): New function. * object.h (Relobj::output_section_address): New function. (Relobj::Comdat_group): New type. (Relobj::find_comdat_group): New function. (Relobj::Comdat_group_table): New type. (Relobj::Kept_comdat_section): New type. (Relobj::Kept_comdat_section_table): New type. (Relobj::add_comdat_group): New function. (Relobj::set_kept_comdat_section): New function. (Relobj::get_kept_comdat_section): New function. (Relobj::comdat_groups_): New field. (Relobj::kept_comdat_sections_): New field. (Symbol_value::input_value): Update comment. (Sized_relobj::map_to_kept_section) New function. (Sized_relobj::include_linkonce_section): Add new parameter. * target-reloc.h (Comdat_behavior): New type. (get_comdat_behavior): New function. (relocate_section): Add code to map a discarded section to the corresponding kept section when applying a relocation.
2008-04-23 * object.cc (Sized_relobj::include_section_group): Check forIan Lance Taylor1-0/+7
invalid section group.
2008-04-23 * object.cc (make_elf_object): Correct test for 64-bit ELF fileIan Lance Taylor1-1/+1
header size.
2008-04-19 * object.cc (Sized_relobj::do_add_symbols): Always passIan Lance Taylor1-4/+1
local_symbol_count_ to add_from_relobj.
2008-04-19 * object.cc (Xindex::initialize_symtab_xindex): New function.Ian Lance Taylor1-37/+199
(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 * errors.cc (Errors::info): New function.Cary Coutant1-0/+4
(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.
2008-04-09 * layout.h (class Layout): Add added_eh_frame_data_ field.Ian Lance Taylor1-2/+1
* layout.cc (Layout::Layout): Initialize new field. (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame output section until we find a section we merged successfully. * object.cc (Sized_relobj::check_eh_frame_flags): Don't require that the size be non-zero.
2008-04-02 * fileread.cc (File_read::find_view): Add byteshift and vshiftedIan Lance Taylor1-9/+13
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.
2008-03-26 PR gold/5986Ian Lance Taylor1-2/+29
Fix problems building gold with gcc 4.3.0. * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define. (gold_error_at_location, gold_warning_at_location): Use it. * configure.ac: Check whether we can compile and use a template function with a printf attribute. * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value when jumping over bytes. * object.cc: Instantiate Object::read_section_data. * debug.h: Include <cstring> * dwarf_reader.cc: Include <algorithm> * main.cc: Include <cstring>. * options.cc: Include <cstring>. * output.cc: Include <cstring>. * script.cc: Include <cstring>. * script.h: Include <string>. * symtab.cc: Include <cstring> and <algorithm>. * target-select.cc: Include <cstring>. * version.cc: Include <string>. * testsuite/testmain.cc: Include <cstdlib>. * configure, config.in: Rebuild.
2008-03-24 * options.cc: Include "demangle.h".Ian Lance Taylor1-1/+1
(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.
2008-03-16Fix handling of RELA relative relocs against local symbols in mergeIan Lance Taylor1-11/+0
sections.
2008-03-13Update copyright years. Update language files.Ian Lance Taylor1-1/+1
2008-03-12Combine read-only .eh_frame sections with read-write .eh_frameIan Lance Taylor1-3/+6
sections.
2008-02-28Support -d/--define-common.Ian Lance Taylor1-1/+1
2008-02-28From Craig Silverstein: Have Parameters point to General_options.Ian Lance Taylor1-11/+13
2008-02-27Implement -q/--emit-relocs.Ian Lance Taylor1-3/+4
2008-02-12Support dynamic relocations against local section symbols.Ian Lance Taylor1-0/+2
2008-02-07Implement --just-symbols, including -R FILE. Fix symbol values whenIan Lance Taylor1-0/+11
doing a relocatable link.
2008-02-06Support creating empty output when there are no input objects.Ian Lance Taylor1-6/+5
2008-02-06Initial -r support.Ian Lance Taylor1-9/+73
2008-01-02Reduce the number of system calls. Use readv instead of pread. DoIan Lance Taylor1-8/+19
better handling of cached views.
2007-12-21Correct handling of non-section symbol in merged section. Avoid someIan Lance Taylor1-3/+4
64-bit signed/unsigned warnings.
2007-12-21Speed up relocations against local symbols in merged sections.Ian Lance Taylor1-37/+19
2007-12-18Add section_size_type and section_offset_type, use them to replace aIan Lance Taylor1-21/+25
lot of instances of off_t.
2007-12-14Rewrite workqueue. This version eliminates the master thread, andIan Lance Taylor1-6/+7
reduces the amount of locking required to find a new thread to run.
2007-12-06Initialize variable to avoid warning.Ian Lance Taylor1-1/+1
2007-12-06From Cary Coutant: More support for generating shared libraries.Ian Lance Taylor1-63/+186
2007-12-01Compress all debug sections.Ian Lance Taylor1-2/+1
2007-11-15From Craig Silverstein: Add support for --demangle.Ian Lance Taylor1-6/+15
2007-11-14Add heuristics for undefined symbol warnings.Ian Lance Taylor1-1/+27