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2008-08-152008-08-14 Cary Coutant <ccoutant@google.com>Cary Coutant5-3/+38
* 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 * layout.cc (Layout::attach_allocated_section_to_segment): Don'tIan Lance Taylor14-25/+346
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.
2008-08-072008-08-06 Cary Coutant <ccoutant@google.com>Cary Coutant1-0/+41
* 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.
2008-08-072008-08-06 Cary Coutant <ccoutant@google.com>Cary Coutant7-203/+385
* 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 * symtab.h (Symbol::use_plt_offset): New function.Ian Lance Taylor11-67/+262
* 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.
2008-08-04Set LC_ALL=C rather than unsetting LC_COLLATE for sort.Alan Modra4-2/+19
2008-07-29 * script.cc (Script_options::finalize_symbols): Finalize SECTIONSIan Lance Taylor4-2/+25
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.
2008-07-25 PR 5990Ian Lance Taylor13-45/+459
* 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.
2008-07-24 PR 6716Ian Lance Taylor2-0/+18
* gold.h: Always include <clocale>. Add Solaris workarounds following code in binutils/sysdep.h.
2008-07-24 PR 6048Ian Lance Taylor2-1/+6
* ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether this->eh_frame_hdr_ is NULL before using it.
2008-07-24 * dynobj.cc (Versions::Versions): Update comment.Ian Lance Taylor2-4/+3
2008-07-24 * dynobj.cc (Versions::Versions): If there is an soname, use it asIan Lance Taylor2-2/+7
the base version name.
2008-07-24 * stringpool.cc (Stringpool_template::add_with_length): Set key toIan Lance Taylor3-7/+19
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.
2008-07-24 PR 6658Ian Lance Taylor2-3/+30
* object.h (Merged_symbol_value::value): Do our best to handle a negative addend.
2008-07-23 PR 6647Ian Lance Taylor8-66/+182
* 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.
2008-07-232008-07-23 Simon Baldwin <simonb@google.com>Chris Demetriou2-2/+10
* symtab.cc (Symbol_table::sized_write_symbol): Only set st_size to zero for undefined symbols from dynamic libraries.
2008-07-23 * symtab.cc (Symbol_table::resolve): Remove version parameter.Ian Lance Taylor7-12/+98
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 * options.h (class General_options): Define --check-sections.Ian Lance Taylor3-0/+30
* layout.cc (Layout::set_segment_offsets): Handle --check-sections.
2008-07-22 * options.h (class General_options): Define -n/--nmagic andIan Lance Taylor5-14/+48
-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.
2008-07-22 * cref.cc: New file.Ian Lance Taylor15-69/+780
* 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.
2008-07-222008-07-22 Simon Baldwin <simonb@google.com>Chris Demetriou2-1/+7
* symtab.cc (Symbol_table::sized_write_symbol): Set symbol size to zero when writing undefined symbols.
2008-07-22 * output.cc (Output_section::add_input_section): Don't try toIan Lance Taylor2-2/+9
merge empty merge sections.
2008-07-212008-07-21 Craig Silverstein <csilvers@google.com>Craig Silverstein2-3/+16
* symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol): Include symbol version in error message.
2008-07-212008-07-20 Chris Demetriou <cgd@google.com>Chris Demetriou6-81/+149
* 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 * symtab.cc (Symbol_table::add_from_object): Rewrite the caseIan Lance Taylor8-16/+108
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.
2008-07-18 * dynobj.cc (Versions::add_def): If we give an error about aIan Lance Taylor2-5/+7
missing version, go ahead and create the version anyhow.
2008-07-10 Handle output sections with more than 0x7fffffff bytes.Ian Lance Taylor17-285/+377
* 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.
2008-07-04 * layout.cc (Layout::include_section): Do not discard unrecognizedIan Lance Taylor2-1/+13
SHT_STRTAB sections.
2008-06-302008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>Craig Silverstein3-3/+9
* script.cc (Lex::can_continue_name): Make '?' allowable in version-script names. * testsuite/version_script.map: Change glob pattern to use '?'
2008-06-30 PR 6585Ian Lance Taylor2-1/+7
* symtab.cc (Symbol_table::add_undefined_symbols_from_command_line): Correct typo.
2008-06-30 PR 6660Ian Lance Taylor2-14/+10
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.
2008-06-252008-06-25 Cary Coutant <ccoutant@google.com>Cary Coutant3-0/+14
* 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.
2008-06-24 * version.cc (version_string): Bump to 1.7Craig Silverstein2-1/+5
2008-06-182008-06-18 Craig Silverstein <csilvers@google.com>Craig Silverstein2-6/+12
* powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast constant 0xFFFF to type Valtype. (Powerpc_relocate_functions::rel16_ha): Likewise.
2008-06-18 * output.h (Output_section::Input_section): Initialize p2align_ toIan Lance Taylor7-6/+146
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.
2008-06-18 * script-sections.cc (Script_sections::place_orphan): InitializeIan Lance Taylor2-2/+7
local variable exact.
2008-06-13 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.David Edelsohn2-1/+5
2008-06-122008-06-12 David Edelsohn <edelsohn@gnu.org>David Edelsohn5-4/+2012
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 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, andIan Lance Taylor2-0/+39
<exception>. (throwing, orig_terminate): New static variables. (terminate_handler): New static function. (t2): Set terminate handler.
2008-06-05 PR 6584Ian Lance Taylor2-4/+10
* binary.cc (Binary_to_elf::sized_convert): Fix .data alignment.
2008-05-30 * archive.cc (Archive::include_all_members) Correct to stepCary Coutant2-1/+9
over symbol table and extended name table in thin archives.
2008-05-29 PR 6407Ian Lance Taylor2-1/+11
* target-reloc.h (relocate_for_relocatable): Fix new_offset calculation.
2008-05-28elfcpp/:Ian Lance Taylor11-12/+690
* dwarf.h (enum DW_FORM): Define. gold/: * reduced_debug_output.cc: New file. * reduced_debug_output.h: New file. * options.h (class General_optoins): 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 * mapfile.cc: New file.Ian Lance Taylor31-96/+1081
* 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.
2008-05-20 * options.h (class General_options): Add -z relro.Ian Lance Taylor13-36/+446
* 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 * output.cc (Output_segment::add_output_section): Remove frontIan Lance Taylor4-23/+15
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.
2008-05-16 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic typeIan Lance Taylor3-4/+36
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.
2008-05-16 * output.cc (Output_reloc::get_address): Change return type toIan Lance Taylor4-9/+19
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 PR 6493Ian Lance Taylor2-3/+17
* gold.cc (gold_nomem): Use return value of write.
2008-05-08 * symtab.c (Symbol::init_base_output_data): Add versionIan Lance Taylor7-81/+201
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.
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