* mapfile.cc: New file.
[deliverable/binutils-gdb.git] / gold / ChangeLog
index aca6c8e04611fe81471cf6b09147507a3441e9ba..c8843cef8dc9f203ffc076fe864d6b21eeb1ad84 100644 (file)
@@ -1,5 +1,420 @@
+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.
 
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