--- /dev/null
+2009-10-15 Ian Lance Taylor <iant@google.com>
+
+ * 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 <dougkwan@google.com>
+
+ * layout.cc (Layout::finish_dynamic_section): Generate tags
+ DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
+ DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
+ used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
+
+2009-10-14 Ian Lance Taylor <iant@google.com>
+
+ * 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 <iant@google.com>
+
+ 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 <aldot@gcc.gnu.org>
+
+ * 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 <tmsriram@google.com>
+
+ * 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 <tmsriram@google.com>
+
+ * 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 <iant@google.com>
+
+ * plugin.cc: Include "gold.h" before other header files.
+
+2009-10-10 Chris Demetriou <cgd@google.com>
+
+ * 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 <andrew_pinski@playstation.sony.com>
+ Ian Lance Taylor <iant@google.com>
+
+ * descriptor.cc: Include <cstdio> 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 <iant@google.com>
+
+ * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
+
+2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
+ Ian Lance Taylor <iant@google.com>
+
+ * 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 <dougkwan@google.com>
+
+ * layout.cc (Layout::make_output_section): Call target hook to make
+ ordinary output section.
+ (Layout::finalize): Adjust parameter list of call the
+ Target::may_relax().
+ * layout.h (class Layout::section_list): New method.
+ * merge.h (Output_merge_base::entsize): Change visibility to public.
+ (Output_merge_base::is_string, Output_merge_base::do_is_string):
+ New methods.
+ (Output_merge_string::do_is_string): New method.
+ * object.cc (Sized_relobj::do_setup): renamed from
+ Sized_relobj::set_up.
+ * object.h (Sized_relobj::adjust_shndx,
+ Sized_relobj::initializ_input_to_output_maps,
+ Sized_relobj::free_input_to_output_maps): Change visibilities to
+ protected.
+ (Sized_relobj::setup): Virtualize.
+ (Sized_relobj::do_setup): New method declaration.
+ (Sized_relobj::invalidate_section_offset,
+ Sized_relobj::do_invalidate_section_offset): New method decfinitions.
+ (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
+ * options.cc (parse_int): New function.
+ * options.h (parse_int): New declaration.
+ (DEFINE_int): New macro.
+ (stub_group_size): New option.
+ * output.cc (Output_section::Output_section): Initialize memebers
+ merge_section_map_, merge_section_by_properties_map_,
+ relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
+ (Output_section::add_input_section): Handled deferred code-fill
+ generation and remove an old comment.
+ (Output_section::add_relaxed_input_section): New method definition.
+ (Output_section::add_merge_input_section): Use merge section by
+ properties map to speed to search. Update merge section maps
+ as appropriate.
+ (Output_section::build_relaxation_map): New method definition.
+ (Output_section::convert_input_sections_in_list_to_relaxed_sections):
+ Same.
+ (Output_section::relax_input_section): Renamed to
+ Output_section::convert_input_sections_to_relaxed_sections and change
+ interface to take a vector of pointers to relaxed sections.
+ (Output_section::find_merge_section,
+ Output_section::find_relaxed_input_section): New method definitions.
+ (Output_section::is_input_address_mapped,
+ Output_section::output_offset, Output_section::output_address):
+ Use output section data maps to speed up searching.
+ (Output_section::find_starting_output_address): Add comments.
+ (Output_section::do_write,
+ Output_section::write_to_postprocessing_buffer): Do code-fill
+ generation as appropriate.
+ (Output_section::get_input_sections): Invalidate relaxed input section
+ map.
+ (Output_section::restore_states): Adjust type of checkpoint .
+ Invalidate relaxed input section map.
+ * output.h (Output_merge_base): New class declaration.
+ (Input_section_specifier): New class defintion.
+ (class Output_relaxed_input_section) Change base class to
+ Output_section_data_build.
+ (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
+ base class initializer.
+ (Output_section::add_relaxed_input_section): New method declaration.
+ (Output_section::Input_section): Change visibility to protected.
+ (Output_section::Input_section::relobj,
+ Output_section::Input_section::shndx): Handle relaxed input sections.
+ Output_section::input_sections) Change visibility to protected. Also
+ define overload to return a non-const pointer.
+ (Output_section::Merge_section_properties): New class defintion.
+ (Output_section::Merge_section_by_properties_map,
+ Output_section::Output_section_data_by_input_section_map,
+ Output_section::Relaxation_map): New types.
+ (Output_section::relax_input_section): Rename method to
+ Output_section::convert_input_sections_to_relaxed_sections and change
+ interface to take a vector of relaxed section pointers.
+ (Output_section::find_merge_section,
+ Output_section::find_relaxed_input_section,
+ Output_section::build_relaxation_map,
+ Output_section::convert_input_sections_in_list_to_relaxed_sections):
+ New method declarations.
+ (Output_section::merge_section_map_
+ Output_section::merge_section_by_properties_map_,
+ Output_section::relaxed_input_section_map_,
+ Output_section::is_relaxed_input_section_map_valid_,
+ Output_section::generate_code_fills_at_write_): New data members.
+ * script-sections.cc
+ (Output_section_element_input::set_section_addresses): Call
+ current_data_size and addralign methods of relaxed input sections.
+ (Orphan_output_section::set_section_addresses): Call current_data_size
+ and addralign methods of relaxed input sections.
+ * symtab.cc (Symbol_table::compute_final_value): Extract template
+ from the body of Symbol_table::sized_finalize_symbol.
+ (Symbol_table::sized_finalized_symbol): Call
+ Symbol_table::compute_final_value.
+ * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
+ (Symbol_table::compute_final_value): New templated method declaration.
+ * target.cc (Target::do_make_output_section): New method defintion.
+ * target.h (Target::make_output_section): New method declaration.
+ (Target::relax): Add more parameters for input objects, symbol table
+ and layout. Adjust call to do_relax.
+ (Target::do_make_output_section): New method declaration.
+ (Target::do_relax): Add parameters for input objects, symbol table
+ and layout.
+
+2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ * pread.c: Include stdio.h.
+
+2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
+ defined.
+
+2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
+
+ * 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 <vkutuzov@accesssoftek.com>
+
+ * 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 <vkutuzov@accesssoftek.com>
+
+ * 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 <mikolajz@google.com>
+
+ * 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 <mikolajz@google.com>
+
+ * incremental.cc: Include <cstdarg> and "target-select.h".
+ (vexplain_no_incremental): New function.
+ (explain_no_incremental): New function.
+ (Incremental_binary::error): New method.
+ (Sized_incremental_binary::do_find_incremental_inputs_section): New
+ method.
+ (make_sized_incremental_binary): New function.
+ (open_incremental_binary): New function.
+ (can_incrementally_link_file): Add checks if output is ELF and has
+ inputs section.
+ * incremental.h: Include "elfcpp_file.h" and "output.h".
+ (Incremental_binary): New class.
+ (Sized_incremental_binary): New class.
+ (open_incremental_binary): Declare.
+ * object.cc (is_elf_object): Use
+ elfcpp::Elf_recognizer::is_elf_file.
+ (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
+ * output.h (Output_file::filesize): New method.
+
+2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
+
+ * 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 <vkutuzov@accesssoftek.com>
+
+ * 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 <iant@google.com>
+
+ * 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 <iant@google.com>
+
+ * 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 <espindola@google.com>
+
+ * 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 <dougkwan@google.com>
+
+ * 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 <iant@google.com>
+
+ * 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 <iant@google.com>
+
+ * testsuite/initpri1.c: Don't try to use constructor priorities if
+ compiling with gcc before 4.3.
+
+2009-09-22 Mikolaj Zalewski <mikolajz@google.com>
+
+ * 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 <csilvers@google.com>
+
+ * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
+ * options.cc: Include <cerrno> and <fstream>.
+ (General_options::finalize): Parse -retain-symbols-file tag.
+ * options.h: New flag.
+ (General_options): New method should_retain_symbol, new
+ variable symbols_to_retain.
+ * symtab.cc (Symbol_table::sized_finalize_symbol): Test
+ should_retain_symbol map.
+ * testsuite/Makefile.am (retain_symbols_file_test): New test.
+ * testsuite/Makefile.in: Regenerate.
+ * testsuite/retain_symbols_file_test.sh: New file.
+
+2009-09-18 Nick Clifton <nickc@redhat.com>
+
+ * po/es.po: Updated Spanish translation.
+
+2009-09-17 Doug Kwan <dougkwan@google.com>
+
+ * debug.h (DEBUG_RELAXATION): New constant.
+ (DEBUG_ALL): Add DEBUG_RELAXATION.
+ (debug_string_to_enum): Add relaxation debug option.
+ * layout.cc
+ (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
+ Layout::Relaxation_debug_check::read_sections,
+ Layout::Relaxation_debug_check::read_sections): New method definitions.
+ (Layout::Layout): Initialize data members
+ record_output_section_data_from_scrips_,
+ script_output_section_data_list_ and relaxation_debug_check_.
+ (Layout::save_segments, Layout::restore_segments,
+ Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
+ Layout::relaxation_loop_body): New method definitions.
+ (Layout::finalize): Support relaxation. Move section layout code to
+ Layout::relaxation_loop_body.
+ (Layout::set_asection_address_from_script): Move code for orphan
+ section placement out.
+ (Layout::place_orphan_sections_in_script): New method definition.
+ * layout.h (Output_segment_headers, Output_file_header):
+ New forward class declarations.
+ (Layout::~Layout): Define.
+ (Layout::new_output_section_data_from_script): New method definition.
+ (Layout::place_orphan_sections_in_script): New method declaration.
+ (Layout::Segment_states): New type declaration.
+ (Layout::save_segments, Layout::restore_segments,
+ Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
+ Layout::relaxation_loop_body): New method declarations.
+ (Layout::Output_section_data_list): New type declaration.
+ (Layout::Relaxation_debug_check): New class definition.
+ (Layout::record_output_section_data_from_script_,
+ Layout::script_output_section_data_list_, Layout::segment_states_,
+ Layout::relaxation_debug_check_): New data members.
+ * output.cc: (Output_section_headers::do_size): New method definition.
+ (Output_section_headers::Output_section_headers): Move size
+ computation to Output_section_headers::do_size.
+ (Output_segment_headers::do_size): New method definition.
+ (Output_file_header::Output_file_header): Move size computation to
+ Output_file_header::do_size and call it.
+ (Output_file_header::do_size): New method definition.
+ (Output_data_group::Output_data_group): Adjust call to
+ Output_section_data.
+ (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
+ (Output_symtab_xindex::do_write): Add array bound check.
+ (Output_section::Input_section::print_to_mapfile): Handle
+ RELAXED_INPUT_SECTION_CODE.
+ (Output_section::Output_section): Initialize data member checkpoint_.
+ (Output_section::~Output_section): Delete checkpoint object pointed
+ by checkpoint_.
+ (Output_section::add_input_section): Always add an Input_section if
+ relaxing.
+ (Output_section::add_merge_input_section): Add assert.
+ (Output_section::relax_input_section): New method definition.
+ (Output_section::set_final_data_size): Set load address to zero for
+ an unallocated section.
+ (Output_section::do_address_and_file_offset_have_reset_values):
+ New method definition.
+ (Output_section::Input_section_sort_enty::Input_section_sort_enty):
+ Handle relaxed input section.
+ (Output_section::sort_attached_input_sections): Checkpoint input
+ section list lazily.
+ (Output_section::get_input_sections): Change type of input_sections to
+ list of Simple_input_section pointers. Checkpoint input section list
+ lazily. Also handle relaxed input sections.
+ (Output_section::add_input_section_for_script): Take a reference to
+ a Simple_input_section object instead of Relobj pointer and section
+ index as parameter. Handle relaxed input sections.
+ (Output_section::save_states, Output_section::restore_states): New
+ method definitions.
+ * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
+ (Output_data::is_data_size_fixed): New method definition.
+ (Output_data::reset_addresss_and_file_offset): Do not reset data size
+ if it is fixed.
+ (Output_data::address_and_file_offset_have_reset_values): New method
+ definition.
+ (Output_data::do_address_and_file_offset_have_reset_values): New method
+ definition.
+ (Output_data::set_data_size): Check that data size is not fixed.
+ (Output_data::fix_data_size): New method definition.
+ (Output_data::is_data_size_fixed_): New data member.
+ (Output_section_headers::set_final_data_size): New method definition.
+ (Output_section_headers::do_size): New method declaration.
+ (Output_segment_headers::set_final_data_size): New method definition.
+ (Output_segment_headers::do_size): New method declaration.
+ (Output_file_header::set_final_data_size)::New method definition.
+ (Output_file_header::do_size)::New method declaration.
+ (Output_section_data::Output_section_data): Add new parameter
+ is_data_size_fixed and use it to fix data size.
+ (Output_data_const::Output_data_const): Adjust call to base class
+ constructor and fix data size.
+ (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
+ base class constructor and fix data size.
+ (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
+ base class constructor and fix data size.
+ (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
+ class constructor and fix data size.
+ (Output_data_group::set_final_data_size): New method definition.
+ (Output_data_dynamic::Dynamic_entry::tag): New method definition.
+ (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
+ class constructor and fix data size.
+ (Output_relaxed_input_section): New class definition.
+ (Output_section::Simple_input_section): New class definition.
+ (Output_section::get_input_sections): Adjust parameter list.
+ (Output_section::add_input_section_for_script): Same.
+ (Output_section::save_states, Output_section::restore_states,
+ Output_section::do_address_and_file_offset_have_reset_values,
+ (Output_section::Input_section::Input_section): Handle
+ RELAXED_INPUT_SECTION_CODE. Add new overload for
+ Output_relaxed_input_section.
+ (Output_section::Input_section::is_input_section,
+ Output_section::Input_section::set_output_section): Handle relaxed
+ input section.
+ (Output_section::Input_section::is_relaxed_input_section,
+ Output_section::Input_section::output_section_data,
+ Output_section::Input_section::relaxed_input_section): New method
+ definitions.
+ (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
+ value.
+ (Output_section::Input_section::u1_): Update comments.
+ (Output_section::Input_section::u2_): Add new union member poris.
+ (Output_section::Checkpoint_output_section): New classs definition.
+ (Output_section::relax_input_section): New method declaration.
+ (Output_section::checkpoint_): New data member.
+ (Output_segment): Update comments.
+ (Output_segment::Output_segment): Un-privatize copy constructor.
+ (Output_segment::operator=): Un-privatize.
+ * script-sections.cc (Output_section_element::Input_section_list):
+ Change element type to Output_section::Simple_input_section.
+ (Output_section_element_dot_assignment::set_section_addresses):
+ Register output section data for relaxation clean up.
+ (Output_data_exression::Output_data_expression): Adjust call to base
+ constructor to fix data size.
+ (Output_section_element_data::set_section_addresses): Register
+ Output_data_expression object for relaxation clean up.
+ (struct Input_section_info): Replace Relobj pointer and section index
+ pair with Output_section::Simple_input_section and Convert struct to a
+ class.
+ (Input_section_sorter::operator()): Adjust access to
+ Input_section_info data member to use accessors.
+ (Output_section_element_input::set_section_addresses): Use layout
+ parameter. Adjust code to use Output_section::Simple_input_section
+ and Input_secction_info classes. Register filler for relaxation
+ clean up.
+ (Orphan_output_section::set_section_addresses): Replace Relobj pointer
+ and section index pair with Output_section::Simple_input_section
+ class. Adjust code accordingly.
+ (Phdrs_element::release_segment): New method definition.
+ (Script_sections::attach_sections_using_phdrs_clause): Do not modify
+ segment list.
+ (Script_sections::release_segments): New method definition.
+ * gold/script-sections.h (Script_sections::release_segments): New
+ method declaration.
+ * gold/target.h (Target::may_relax, Target::relax,
+ Target::do_may_relax, Target::do_relax): New method definitions.
+
+2009-09-17 Viktor Kutuzov <vkutuzov@accesssoftek.com>
+
+ * 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 <ccoutant@google.com>
+
+ * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
+ * testsuite/Makefile.in: Regenerate.
+
+2009-09-11 Nick Clifton <nickc@redhat.com>
+
+ * po/gold.pot: Updated by the Translation project.
+
+2009-09-08 Cary Coutant <ccoutant@google.com>
+
+ * 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 <iant@google.com>
+
+ * output.cc (Output_file::resize): Call map_no_anonymous rather
+ than map.
+
+2009-09-01 Mikolaj Zalewski <mikolajz@google.com>
+
+ * 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 <ccoutant@google.com>
+
+ * 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 <ccoutant@google.com>
+
+ * options.h (General_options::no_keep_memory): Remove incorrect
+ short option.
+
+2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ * Makefile.am (am__skiplex, am__skipyacc): New.
+ * Makefile.in: Regenerate.
+
+2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ * 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 <ccoutant@google.com>
+
+ * 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 <cgd@google.com>
+
+ * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
+ checking source file names in error messages.
+
+2009-08-18 Doug Kwan <dougkwan@google.com>
+
+ * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
+ an elcpp::Ehdr as parameter. Adjust call to set_target.
+ * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
+ an elfcpp::Ehdr as parameter.
+ * object.cc (Object::set_target): Remove the version that looks up
+ a target and sets it.
+ (Sized_relobj::setup): Take a Target object instead of
+ an elfcpp::Ehdr as parameter. Adjust call to set_target.
+ (make_elf_sized_object): Find target and ask target to
+ make an ELF object.
+ * object.h: (Object::set_target): Remove the version that looks up
+ a target and sets it.
+ (Sized_relobj::setup): Take a Target object instead of
+ an elfcpp:Ehdr as parameter.
+ * target.cc: Include dynobj.h.
+ (Target::do_make_elf_object_implementation): New.
+ (Target::do_make_elf_object): New.
+ * target.h (Target::make_elf_object): New template declaration.
+ (Target::do_make_elf_object): New method declarations.
+ (Target::do_make_elf_object_implementation): New template declaration.
+
+2009-08-14 Ian Lance Taylor <iant@google.com>
+
+ * gold.h (FUNCTION_NAME): Define.
+ (gold_unreachable): Use FUNCTION_NAME.
+
+2009-08-12 Sriraman Tallam <tmsriram@google.com>
+
+ * 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 <tmsriram@google.com>
+
+ * 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 <ccoutant@google.com>
+
+ 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 <dougkwan@google.com>
+
+ * 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 <dougkwan@google.com>
+
+ * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
+ patch.
+
+2009-08-07 Sriraman Tallam <tmsriram@google.com>
+ * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
+ compiler warnings.
+
+2009-08-06 Sriraman Tallam <tmsriram@google.com>
+
+ * 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 <tmsriram@google.com>
+
+ * 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 <cgd@google.com>
+
+ * layout.cc (is_compressible_debug_section): Fix incorrect
+ comment about compressed section names.
+
+2009-07-20 Ian Lance Taylor <ian@airs.com>
+
+ PR 10419
+ * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
+
+2009-07-16 Ian Lance Taylor <iant@google.com>
+
+ PR 10400
+ * layout.h: #include <map>.
+ (class Kept_section): Change from struct to class. Add accessors
+ and setters. Add section size to Comdat_group mapping. Change
+ Comdat_group to std::map. Add is_comdat_ field. Add
+ linkonce_size field in union.
+ (class Layout): Update declaration of find_or_add_kept_section.
+ Don't declare find_kept_object.
+ * layout.cc (Layout::find_or_add_kept_section): Remove candidate
+ parameter. Add object, shndx, is_comdat, and is_group_name
+ parameters. Change all callers. Adjust for new Kept_section.
+ (Layout::find_kept_object): Remove.
+ * object.cc (Sized_relobj::include_section_group): Update use of
+ Kept_section. Rename secnum to shndx. Only record
+ Kept_comdat_section if sections are the same size.
+ (Sized_relobj::include_linkonce_section): Update use of
+ Kept_section. Only record Kept_comdat_section if sections are the
+ same size. Set size of linkonce section.
+ (Sized_relobj::map_to_kept_section): Update call to
+ get_kept_comdat_section.
+ * object.h (class Sized_relobj): Rename fields in
+ Kept_comdat_section to drop trailing underscores; change object
+ field to Relobj*. Change Kept_comdat_section_table to store
+ struct rather than pointer.
+ (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
+ Add kept_object and kept_shndx parameters. Change all callers.
+ (Sized_relobj::get_kept_comdat_section): Change return type to
+ bool. Add kept_object and kept_shndx parameters. Change all
+ callers.
+ * plugin.cc (Pluginobj::include_comdat_group): Update call to
+ Layout::find_or_add_kept_section.
+
+2009-07-09 Ian Lance Taylor <iant@google.com>
+
+ * merge.cc (Object_merge_map::initialize_input_to_output_map):
+ Reserve space in the hash table.
+
+2009-07-06 Mikolaj Zalewski <mikolajz@google.com>
+
+ * 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 <ian@airs.com>
+
+ * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
+ instead of 32.
+
+2009-06-24 Ian Lance Taylor <iant@google.com>
+
+ 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 <iant@google.com>
+
+ * script-sections.cc (Output_section_definition::
+ set_section_addresses): Rename shadowing local load_address to
+ laddr.
+
+2009-06-24 Ian Lance Taylor <iant@google.com>
+
+ PR 10244
+ * reloc.cc (relocate_sections): Skip empty relocation sections.
+
+2009-06-23 Ian Lance Taylor <iant@google.com>
+
+ PR 10156
+ * layout.cc (Layout::create_note): Use choose_output_section
+ rather than make_output_section.
+
+2009-06-23 Ian Lance Taylor <iant@google.com>
+
+ 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 <iant@google.com>
+
+ 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 <dougkwan@google.com>
+
+ * 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 <iant@google.com>
+
+ * configure.ac: Call AC_CHECK_DECLS using C, not C++.
+ * configure: Rebuild.
+
+2009-06-23 Ian Lance Taylor <iant@google.com>
+
+ 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 <iant@google.com>
+
+ 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 <iant@google.com>
+
+ 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 <iant@google.com>
+
+ * 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 <iant@google.com>
+
+ 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 <iant@google.com>
+
+ * 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 <dougkwan@google.com>
+
+ * Makefile.am (CCFILES): Add target.cc.
+ * Makefile.in: Regenerate.
+ * i386.cc (class Target_i386): Define new virtual method to
+ override do_is_local_label_name in parent.
+ * object.cc (Sized_relobj::do_count_local_symbols): Discard
+ local symbols if --discard-locals or -X is given.
+ * options.h (class General_options): Declare new options
+ '--discard-locals' and '-X' for discarding locals.
+ * target.h (class Target): Define new methods is_local_label_name.
+ Declare new virtual method do_is_local_label_name.
+ * target.cc: New file.
+ * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
+ (check_SCRIPTS): Add discard_locals_test.sh.
+ (check_DATA): Add discard_local_tests.syms.
+ (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
+ (discard_local_tests.syms, discard_locals_test.o): New make rules.
+ * testsuite/Makefile.in: Regenerate.
+ * testsuite/discard_locals_test.c: New file.
+ * testsuite/discard_locals_test.sh: Same.
+
+2009-06-05 Doug Kwan <dougkwan@google.com>
+
+ * object.cc (Sized_relobj::Sized_relobj): Initialize
+ discarded_eh_frame_shndx_ to -1U.
+ (Sized_relobj::do_layout): Record index of a discard .eh_frame
+ section.
+ (Sized_relobj::do_count_local_symbols): Skip local symbols in
+ a discarded .eh_frame section.
+ (Sized_relobj::do_finalize_local_symbols): Ditto.
+ * object.h (class Sized_relobj): Declare new member
+ discarded_eh_frame_shndx_.
+ * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
+ (local_labels_test.o, local_labels_test): New rules.
+ * testsuite/Makefile.in: Regenerate.
+
+2009-06-04 Doug Kwan <dougkwan@google.com>
+
+ * layout.cc (Layout::section_name_mapping): Add mapping for
+ special ARM sections.
+
+2009-06-03 Doug Kwan <dougkwan@google.com>
+
+ * arm.cc (utils::sign_extend): Reverse test in gold_assert.
+ (utils::has_overflow): Same.
+
+2009-06-03 Ian Lance Taylor <iant@google.com>
+
+ * 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 <dougkwan@google.com>
+
+ * 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 <iant@google.com>
+
+ * arm.cc (Target_arm::scan::global): Use || instead of |.
+
+2009-06-02 Doug Kwan <dougkwan@google.com>
+
+ * 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 <mikolajz@google.com>
+
+ * incremental.cc (Incremental_inputs::report_command_line): Filter
+ out --incremental-* options.
+
+2009-05-29 Doug Kwan <dougkwan@google.com>
+
+ * 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 <dougkwan@google.com>
+
+ * 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 <dougkwan@google.com>
+
+ * 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 <nickc@redhat.com>
+
+ * po/id.po: New Indonesian translation.
+ * po/gold.pot: Updated template file.
+
+2009-05-22 Sriraman Tallam <tmsriram@google.com>
+
+ * 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 <tmsriram@google.com>
+
+ * 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 <dougkwan@google.com>
+
+ * archive.cc (Archive::Archive): Move constructor from archive.h
+ to here. Initialize no_export_.
+ (Archive::get_elf_object_for_member): Set no_export flag of object.
+ * archive.h (Archive::Archive): Move constructor body to
+ archive.cc.
+ (Archive::no_export): New method.
+ (Archive::no_export_): New field.
+ * object.h (Object::Object): Initialize no_export_ to false.
+ (Object::no_export, Object::set_no_export): New methods.
+ (Object::no_export_): New field.
+ * options.cc (General_options::parse_exclude_libs): New method.
+ (General_options::check_excluded_libs) Same.
+ * options.h (exclude_libs): New option.
+ (General_options::check_excluded_libs): New method declaration.
+ (General_options::excluded_libs_): New field.
+ * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
+ default or protected visibility if an object has no-export flag set.
+ testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
+ (check_SCRIPTS): Add exclude_libs_test.sh.
+ (check_DATA): Add exclude_libs_test.syms.
+ (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
+ libexclude_libs_test_1.a and libexclude_libs_test_2.a.
+ (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
+ exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
+ (exclude_libs_test.syms, libexclude_libs_test_1.a,
+ libexclude_libs_test_2.a): New rules.
+ * testsuite/Makefile.in: Regenerate.
+ * testsuite/exclude_libs_test.c: New file.
+ * testsuite/exclude_libs_test.sh: Ditto.
+ * testsuite/exclude_libs_test_1.c: Ditto.
+ * testsuite/exclude_libs_test_2.c: Ditto.
+
+2009-05-15 Ian Lance Taylor <iant@google.com>
+
+ * configure.ac: Check for declarations for cases where libiberty.h
+ checks HAVE_DECL_xxx.
+ * configure, config.in: Rebuild.
+
+2009-05-15 Mikolaj Zalewski <mikolajz@google.com>
+
+ * 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 <iant@google.com>
+
+ * x86_64.cc (do_adjust_output_section): Set entsize to
+ plt_entry_size.
+
+2009-04-23 Elliott Hughes <enh@google.com>
+
+ * output.cc (Output_file::close): After short writes, continue
+ writing from the correct offset in the buffer being written.
+
+2009-04-23 Chris Demetriou <cgd@google.com>
+
+ * 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 <mikolajz@google.com>
+
+ * 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 <iant@google.com>
+ Mikolaj Zalewski <mikolajz@google.com>
+
+ * 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 <iant@google.com>
+
+ * ffsll.c (ffsll): Correct implementation.
+
+2009-03-27 Ian Lance Taylor <iant@google.com>
+
+ * 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 <ccoutant@google.com>
+
+ * 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 <ccoutant@google.com>
+
+ * symtab.h (needs_plt_entry): Check for unsatisfied reference from
+ an executable.
+ (needs_dynamic_reloc): Likewise.
+
+2009-03-24 Ian Lance Taylor <iant@google.com>
+
+ * 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 <espindola@google.com>
+
+ * 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 <enh@google.com>
+
+ * 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 <iant@google.com>
+
+ * 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 <iant@google.com>
+
+ * 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 <mikolajz@google.com>
+
+ * incremental.cc: New file.
+ * Makefile.am (CCFILES): Add incremental.cc.
+ * Makefile.in: Rebuild.
+
+2009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
+
+ * layout.cc (Layout::output_section_name): Preserve names
+ of '.note.' sections.
+
+2009-03-19 Ian Lance Taylor <iant@google.com>
+
+ * descriptors.cc (Descriptors::open): Check that the options are
+ valid before using them.
+
+2009-03-18 Ian Lance Taylor <iant@google.com>
+
+ * script-sections.h: Include <list>.
+ (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 <iant@google.com>
+
+ * 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 <ppluzhnikov@google.com>
+
+ * 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 <iant@google.com>
+
+ * 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 <iant@google.com>
+
+ * 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 <nickc@redhat.com>
+
+ * po/es.po: New Spanish translation.
+
+2009-03-06 Cary Coutant <ccoutant@google.com>
+
+ * options.cc (parse_short_option): Keep dash_z from registering itself.
+
+2009-03-03 Ian Lance Taylor <iant@google.com>
+
+ 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 <iant@google.com>
+
+ * configure.ac: Check for byteswap.h.
+ * configure: Rebuild.
+ * config.in: Rebuild.
+
+2009-03-01 Mikolaj Zalewski <mikolajz@google.com>
+
+ * 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 <iant@google.com>
+
+ * 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 <iant@google.com>
+
+ 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 <ccoutant@google.com>
+
+ * 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 <espindola@google.com>
+
+ * 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.
+
+2009-02-06 Ian Lance Taylor <iant@google.com>
+
+ * object.cc (Sized_relobj::do_layout): Make info message start
+ with lower case letter.
+
+2009-02-06 Mikolaj Zalewski <mikolajz@google.com>
+
+ * 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 <cgd@google.com>
+
+ * gold.h (gold_undefined_symbol): Change to take only a Symbol
+ pointer and to report location as the file name associated with
+ the symbol.
+ (gold_undefined_symbol_at_location): New function to replace the
+ old gold_undefined_symbol functionality.
+ * target-reloc.h (relocate_section): Update to use
+ gold_undefined_symbol_at_location.
+ * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
+ Call gold_undefined_symbol function rather than gold_error.
+ * errors.h (Errors::undefined_symbol): Take location as a
+ string, rather than calculating it from a relocation.
+ * errors.cc (Errors::fatal): Print "fatal error:" before the
+ formatted message.
+ (Errors::error, Errors::error_at_location): Print "error: "
+ before the formatted message.
+ (Errors::undefined_symbol): Take location as a string, rather
+ than calculating it from a relocation.
+ (gold_undefined_symbol_at_location): New function akin to
+ old gold_undefined_symbol, calculates location from relocation.
+ (gold_undefined_symbol): Change to take only a Symbol pointer
+ and to report location as the file name associated with the symbol.
+ * testsuite/debug_msg.sh: Update for changed error messages.
+ * testsuite/undef_symbol.sh: Likewise.
+
+2009-02-04 Duncan Sands <baldrick@free.fr>
+
+ 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 <mikolajz@google.com>
+
+ * script.cc (Lazy_demangler): New class.
+ (Version_script_info::get_symbol_version_helper): Demangle a
+ symbol only once.
+
+2009-01-29 Cary Coutant <ccoutant@google.com>
+
+ * 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 <iant@google.com>
+
+ * version.cc (version_string): Bump to 1.9.
+
+ * gold.h: Include <cstring> and <stdint.h>.
+ * version.cc: Include <cstdio>.
+ * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
+ warning.
+ * reduced_debug_output.cc (insert_into_vector): Rename from
+ Insert_into_vector; change all callers. Use Swap_unaligned to
+ avoid aliasing issue; remove union since it is unnecessary.
+
+2009-01-27 Sriraman Tallam <tmsriram@google.com>
+
+ * Makefile.am (CCFILES): Add gc.cc.
+ (HFILES): Add gc.h.
+ * Makefile.in: Regenerate.
+ * gold.cc (Gc_runner): New class.
+ (queue_initial_tasks): Call garbage collection related tasks
+ when corresponding options are invoked.
+ (queue_middle_gc_tasks): New function.
+ (queue_middle_tasks): Reorder tasks to allow relocs to be read and
+ processed early before laying out sections during garbage collection.
+ * gold.h (queue_middle_gc_tasks): New function.
+ (is_prefix_of): Move from "layout.cc".
+ * i386.cc (Target_i386::gc_process_relocs): New function.
+ * layout.cc (is_prefix_of): Remove. Move to "gold.h"
+ * main.cc (main): Create object of class "Garbage_collection".
+ * object.cc (Relobj::copy_symbols_data): New function.
+ (Relobj::is_section_name_included): New function.
+ (Sized_relobj::do_layout): Allow this function to be called twice
+ during garbage collection and defer layout of section during the
+ first call.
+ * object.h (Relobj::get_symbols_data): New function.
+ (Relobj::is_section_name_included): New function.
+ (Relobj::copy_symbols_data): New function.
+ (Relobj::set_symbols_data): New function.
+ (Relobj::get_relocs_data): New function.
+ (Relobj::set_relocs_data): New function.
+ (Relobj::is_output_section_offset_invalid): New pure virtual function.
+ (Relobj::gc_process_relocs): New function.
+ (Relobj::do_gc_process_relocs): New pure virtual function.
+ (Relobj::sd_): New data member.
+ (Sized_relobj::is_output_section_offset_invalid): New function.
+ (Sized_relobj::do_gc_process_relocs): New function.
+ * options.h (General_options::gc_sections): Modify to not be a no-op.
+ (General_options::print_gc_sections): New option.
+ * plugin.cc (Plugin_finish::run): Remove function call to
+ Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
+ * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
+ * reloc.cc (Read_relocs::run): Add task to process relocs and
+ determine unreferenced sections when doing garbage collection.
+ (Gc_process_relocs): New class.
+ (Sized_relobj::do_gc_process_relocs): New function.
+ (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
+ sections that are garbage collected.
+ * reloc.h (Gc_process_relocs): New class.
+ * sparc.cc (Target_sparc::gc_process_relocs): New function.
+ * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
+ symbols whose corresponding sections are garbage collected.
+ (Symbol_table::Symbol_table): Add new parameter for the garbage
+ collection object.
+ (Symbol_table::gc_mark_undef_symbols): New function.
+ (Symbol_table::gc_mark_symbol_for_shlib): New function.
+ (Symbol_table::gc_mark_dyn_syms): New function.
+ (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
+ as garbage.
+ (Symbol_table::add_from_object): Likewise.
+ (Symbol_table::add_from_relobj): When building shared objects, do not
+ treat externally visible symbols as garbage.
+ (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
+ table information for static and relocatable links.
+ * symtab.h (Symbol_table::set_gc): New function.
+ (Symbol_table::gc): New function.
+ (Symbol_table::gc_mark_undef_symbols): New function.
+ (Symbol_table::gc_mark_symbol_for_shlib): New function.
+ (Symbol_table::gc_mark_dyn_syms): New function.
+ (Symbol_table::gc_): New data member.
+ * target.h (Sized_target::gc_process_relocs): New pure virtual
+ function.
+ * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
+ * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
+
+2009-01-20 Chris Faylor <me.sourceware@sourceware.org>
+
+ * 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 <schwab@suse.de>
+
+ * 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 <schwab@suse.de>
+
+ * configure.tgt (powerpc64-*): Fix targ_obj.
+
+2009-01-15 Ian Lance Taylor <iant@google.com>
+
+ * object.cc (Sized_relobj::write_local_symbols): Don't write out
+ local symbols when stripping all symbols.
+
+2009-01-14 Cary Coutant <ccoutant@google.com>
+
+ * output.cc (Output_reloc): Add explicit instantiations.
+
+2009-01-14 Cary Coutant <ccoutant@google.com>
+
+ * 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 <iant@google.com>
+
+ * version.cc (version_string): Bump to 1.8.
+
+2008-12-23 Cary Coutant <ccoutant@google.com>
+
+ * 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 <ccoutant@google.com>
+
+ * 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 <ccoutant@google.com>
+
+ * 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 <iant@google.com>
+
+ * options.h (class General_options): Add --no case for
+ --export-dynamic.
+
+2008-12-16 Cary Coutant <ccoutant@google.com>
+
+ * 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 <iant@google.com>
+
+ * 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 <iant@google.com>
+
+ PR 7091
+ * target-reloc.h (Default_scan_relocatable_relocs): For each
+ function, map r_type == 0 to RELOC_DISCARD.
+
+2008-12-10 Cary Coutant <ccoutant@google.com>
+
+ * 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 <iant@google.com>
+
+ 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 <espindola@google.com>
+
+ * 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 <ccoutant@google.com>
+
+ * 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 <ccoutant@google.com>
+
+ * plugin.cc (ld_plugin_message): Change format parameter to const.
+ Fix mismatch between new[] and delete.
+
+2008-11-14 Cary Coutant <ccoutant@google.com>
+
+ * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
+ instead of -1U.
+
+2008-11-05 Craig Silverstein <csilvers@google.com>
+
+ * 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 <csilvers@google.com>
+
+ * 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 <ccoutant@google.com>
+
+ * 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 <ccoutant@google.com>
+
+ * plugin.cc (make_sized_plugin_object): Fix conditional
+ compilation to work when not all targets are enabled.
+
+2008-09-29 Cary Coutant <ccoutant@google.com>
+
+ * 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 <ccoutant@google.com>
+
+ * 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 <ccoutant@google.com>
+
+ 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 <iant@google.com>
+
+ * 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 <aoliva@redhat.com>
+
+ * 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 <aoliva@redhat.com>
+
+ * 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 <cgd@google.com>
+
+ * 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 <ccoutant@google.com>
+
+ * fileread.cc (File_read::make_view): Add check for attempt to map
+ beyond end of file.
+
+2008-09-05 Cary Coutant <ccoutant@google.com>
+
+ * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
+ explicit instantiations.
+
+2008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
+
+ PR gold/6858
+ * options.cc (General_options::finalize): Allow undefined symbols
+ in shlibs if linking -shared.
+
+ PR gold/6859
+ * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
+ symbols as not needing a dynsym entry.
+
+2008-08-20 Craig Silverstein <csilvers@google.com>
+
+ * fileread.cc (File_read::open): Do not lock the file unless it
+ was successfully opened.
+
+2008-08-14 Cary Coutant <ccoutant@google.com>
+
+ * 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 <iant@google.com>
+
+ * 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 <ccoutant@google.com>
+
+ * 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 <iant@google.com>
+
+ * 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 <amodra@bigpond.net.au>
+
+ * Makefile.am (POTFILES.in): Set LC_ALL=C.
+ * Makefile.in: Regenerate.
+ * po/POTFILES.in: Regenerate.
+
+2008-07-29 Ian Lance Taylor <iant@google.com>
+
+ * 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 <iant@google.com>
+
+ 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 <clocale>. 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 <iant@google.com>
+
+ 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 <simonb@google.com>
+
+ * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
+ to zero for undefined symbols from dynamic libraries.
+
+2008-07-23 Ian Lance Taylor <iant@google.com>
+
+ * 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 <iant@google.com>
+
+ * 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 <simonb@google.com>
+
+ * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
+ to zero when writing undefined symbols.
+
+2008-07-22 Ian Lance Taylor <iant@google.com>
+
+ * output.cc (Output_section::add_input_section): Don't try to
+ merge empty merge sections.
+
+2008-07-21 Craig Silverstein <csilvers@google.com>
+
+ * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
+ Include symbol version in error message.
+
+2008-07-20 Chris Demetriou <cgd@google.com>
+
+ * 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 <iant@google.com>
+
+ * 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 <iant@google.com>
+
+ * 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 <iant@google.com>
+
+ 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 <iant@google.com>
+
+ * layout.cc (Layout::include_section): Do not discard unrecognized
+ SHT_STRTAB sections.
+
+2008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
+
+ * 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 <yosh@gimp.org>
+
+ PR 6585
+ * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
+ Correct typo.
+
+2008-06-30 Ian Lance Taylor <iant@google.com>
+
+ 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 <ccoutant@google.com>
+
+ * fileread.cc (File_read::make_view): Assert on zero-length view.
+ * object.cc (Sized_relobj::do_read_symbols): Don't try to read
+ symbol table when there are no symbols to read.
+
+2008-06-23 Craig Silverstein <csilvers@google.com>
+
+ * version.cc (version_string): Bump to 1.7
+
+2008-06-18 Craig Silverstein <csilvers@google.com>
+
+ * 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 <iant@google.com>
+
+ * 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 <edelsohn@gnu.org>
+
+ * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
+
+2008-06-12 David Edelsohn <edelsohn@gnu.org>
+ David S. Miller <davem@davemloft.net>
+
+ * 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 <iant@google.com>
+
+ * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
+ <exception>.
+ (throwing, orig_terminate): New static variables.
+ (terminate_handler): New static function.
+ (t2): Set terminate handler.
+
+2008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
+
+ PR 6584
+ * binary.cc (Binary_to_elf::sized_convert): Fix .data
+ alignment.
+
+2008-05-30 Cary Coutant <ccoutant@google.com>
+
+ * 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 <kris.van.hees@oracle.com>
+
+ PR 6407
+ * target-reloc.h (relocate_for_relocatable): Fix new_offset
+ calculation.
+
+2008-05-28 Caleb Howe <cshowe@google.com>
+
+ * 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 <iant@google.com>
+
+ * 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 <cstdio> 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 <iant@google.com>
+
+ * 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 <iant@google.com>
+
+ * 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 <iant@google.com>
+
+ PR 6493
+ * gold.cc (gold_nomem): Use return value of write.
+
+2008-05-08 Ian Lance Taylor <iant@google.com>
+
+ * 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 <iant@google.com>
+
+ 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 <iant@google.com>
+
+ * 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 <ccoutant@google.com>
+
+ * 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 <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.
+
+2008-04-30 Craig Silverstein <csilvers@google.com>
+
+ * 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 <ccoutant@google.com>
+
+ * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
+ R_386_PC8 relocations.
+
+2008-04-23 Ian Lance Taylor <iant@google.com>
+
+ * 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 <bonzini@gnu.org>
+
+ * aclocal.m4: Regenerate.
+ * configure: Regenerate.
+
+2008-04-19 Ian Lance Taylor <iant@google.com>
+
+ * 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 <ccoutant@google.com>
+
+ * 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 <davem@davemloft.net>
+
+ * options.cc (General_options::parse_V): New function.
+ * options.h: Add entries for -V and -Qy.
+
+2008-04-17 Ian Lance Taylor <iant@google.com>
+
+ * 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 <ccoutant@google.com>
+
+ * 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 <ccoutant@google.com>
+
+ * 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 <davem@davemloft.net>
+
+ * 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 <iant@google.com>
+
+ * 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<elfcpp::SHT_REL>): 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 <iant@google.com>
+
+ * 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 <davem@davemloft.net>
+
+ * 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 <iant@google.com>
+
+ * 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 <ccoutant@google.com>
+
+ * 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 <iant@google.com>
+
+ * 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 <ccoutant@google.com>
+
+ 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 <iant@google.com>
+
+ * 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 <davem@davemloft.net>
+ Ian Lance Taylor <iant@google.com>
+
+ * 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 <davem@davemloft.net>
+
+ * 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 <iant@google.com>
+
+ 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 <iant@google.com>
+
+ * 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 <csilvers@google.com>
+
+ * 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 <iant@google.com>
+
+ * 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<SHT_REL>::local_section_offset): Add
+ addend parameter. Change caller. Handle merge sections.
+ (Output_reloc<SHT_REL>::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<SHT_REL>): 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 <ccoutant@google.com>
+
+ * 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 <csilvers@google.com>
+
+ * 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 <davem@davemloft.net>
+
+ * 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 <csilvers@google.com>
+
+ * TODO: New file.
+
+2008-04-02 Ian Lance Taylor <iant@google.com>
+
+ * 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 <ccoutant@google.com>
+
+ 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 <iant@google.com>
+
+ * 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 <iant@google.com>
+
+ * 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 <iant@google.com>
+
+ * 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 <iant@google.com>
+
+ * 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 <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.
+
+2008-03-25 Ian Lance Taylor <iant@google.com>
+
+ * 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 <vector>.
+ (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 <ccoutant@google.com>
+
+ * 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 <bje@au.ibm.com>
+
+ * yyscript.y: Fix spelling error in comment.
+
+2008-03-24 Ian Lance Taylor <iant@google.com>
+
+ * 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 <cerrno>, <fcntl.h>, <unistd.h>,
+ "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 <iant@google.com>
+
+ * 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 <iant@google.com>
+
+ * gold.h: Include <cstddef> and <sys/types.h>
+ * options.h: Include <cstring>.
+
+2008-03-21 Ian Lance Taylor <iant@google.com>
+
+ * Added source code to GNU binutils.