+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>