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chromium / native_client / nacl-toolchain / refs/heads/vendor-src / . / binutils / gold / ChangeLog
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2010-01-13 Ian Lance Taylor <iant@google.com>
Bring over from mainline:
2010-01-04 Ian Lance Taylor <iant@google.com>
PR 10980
* options.h (class General_options): Add --add-needed and
--copy-dt-needed-entries. Tweak --as-needed help entry.
* object.cc (Input_objects::check_dynamic_dependencies): Give an
error if --copy-dt-needed-entries aka --add-needed is used and
would cause a change in behaviour.
2010-01-13 Ian Lance Taylor <iant@google.com>
Bring over from mainline:
2010-01-07 Ian Lance Taylor <iant@google.com>
PR 11042
* copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
object as needed.
2010-01-13 Ian Lance Taylor <iant@google.com>
Bring over from mainline:
2010-01-08 Ian Lance Taylor <iant@google.com>
PR 11072
* layout.cc (Layout::include_section): Remove .gnu_debuglink
sections.
2009-11-06 Ian Lance Taylor <iant@google.com>
Bring over from mainline:
2009-10-16 Doug Kwan <dougkwan@google.com>
* dynobj.cc (Versions::Versions): Initialize version_script_.
Only insert base version symbol definition for a shared object
if version script defines any version versions.
(Versions::define_base_version): New method definition.
(Versions::add_def): Check that base version is not needed.
(Versions::add_need): Define base version lazily.
* dynobj.h (Versions::define_base_version): New method declaration.
(Versions::needs_base_version_): New data member declaration.
2009-11-06 Ian Lance Taylor <iant@google.com>
PR 10876
* defstd.cc (in_segment): Set only_if_ref true for "end".
2009-11-05 Ian Lance Taylor <iant@google.com>
PR 10910
* output.cc (Output_segment::add_output_section): Add missing
return statement.
2009-11-04 Ian Lance Taylor <iant@google.com>
PR 10880
* object.h (class Object): Add is_needed and set_is_needed
methods. Add is_needed_ field. Make bool fields into bitfields.
* symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
defined in a dynamic object and referenced by a regular object,
set is_needed for the dynamic object.
* layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
if the file is marked with as_needed and it is not needed.
2009-11-04 Ian Lance Taylor <iant@google.com>
PR 10887
* arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
tags if data is discarded by linker script.
* i386.cc (Target_i386::do_finalize_sections): Likewise.
* powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
* sparc.cc (Target_sparc::do_finalize_sections): Likewise.
* x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2009-11-04 Ian Lance Taylor <iant@google.com>
* layout.cc (Layout::get_output_section): Add is_interp and
is_dynamic_linker_section parameters. Change all callers.
(Layout::choose_output_section): Likewise.
(Layout::make_output_section): Likewise.
(Layout::add_output_section_data): Add is_dynamic_linker_section
parameter. Change all callers.
* layout.h (class Layout): Update declarations.
* output.h (class Output_section): Add is_interp, set_is_interp,
is_dynamic_linker_section, set_is_dynamic_linker_section methods.
Add is_interp_, is_dynamic_linker_section_ fields. Change
generate_code_fills_at_write_ to a bitfield.
* output.cc (Output_section::Output_sections): Initialize new
fields.
(Output_segment::add_output_section): Add do_sort parameter.
Change all callers.
2009-11-03 Ian Lance Taylor <iant@google.com>
PR 10860
* options.h (class General_options): Add --warn-common.
* resolve.cc (Symbol_table::resolve): Handle --warn-common when
merging two common symbols.
(Symbol_table::should_override): Handle --warn-common when merging
a common symbol with a defined symbol. Use report_resolve_problem
for multiple definitions.
(Symbol_table::report_resolve_problem): New function.
* symtab.h (class Symbol_table): Declare report_resolve_problem.
2009-11-03 Ian Lance Taylor <iant@google.com>
PR 10893
* defstd.cc (in_section): Add entries for __rel_iplt_start,
__rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
2009-11-03 Ian Lance Taylor <iant@google.com>
PR 10895
* po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
--msgid-bugs-address.
(install-pdf): New target.
(install-data_yes): Look up one directory to find mkinstalldirs.
2009-10-16 Doug Kwan <dougkwan@google.com>
* output.cc (Output_segment::set_section_list_address): Cast
expressions to unsigned long long type to avoid format warnings.
2009-10-15 Ian Lance Taylor <iant@google.com>
* script.cc (Script_options::add_symbol_assignment): Always add a
dot assginment to script_sections_.
* script-sections.cc (Script_sections::add_dot_assignment):
Initialize if necessary.
* layout.cc (Layout::relaxation_loop_body): Don't crash if we see
program headers with no load segment if there is a linker script.
* layout.cc (Layout::set_segment_offsets): Align the file offset
to the segment aligment for -N or -n with no load segment.
* output.cc (Output_segment::add_output_section): Don't crash if
the first section is a TLS section.
(Output_segment::set_section_list_addresses): Print an error
message if the address moves backward in a linker script.
* script-sections.cc
(Output_section_element_input::set_section_addresses): Don't
increase *dot_value for a SHF_TLS/SHT_NOBITS section.
(Orphan_output_section::set_section_addresses): Likewise.
2009-10-15 Doug Kwan <dougkwan@google.com>
* layout.cc (Layout::finish_dynamic_section): Generate tags
DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
2009-10-14 Ian Lance Taylor <iant@google.com>
* object.h (class Relocate_info): Add reloc_shdr and data_shdr
fields.
* object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
data_shdr fields of relinfo.
* i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
(Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo. For
R_386_TLS_LDO_32, adjust based on section flags.
(Target_i386::Relocate::fix_up_ldo): Remove.
2009-10-13 Ian Lance Taylor <iant@google.com>
Add support for -pie.
* options.h (class General_options): Add -pie and
--pic-executable.
(General_options::output_is_position_independent): Test -pie.
(General_options::output_is_executable): Return true if not shared
and not relocatable.
(General_options::output_is_pie): Remove.
* options.cc (General_options::finalize): Reject incompatible uses
of -pie.
* gold.cc (queue_middle_tasks): A -pie link is not static.
* symtab.h (Symbol::needs_plt_entry): Return false if -pie.
* symtab.cc (Symbol::final_value_is_known): Return false if
output_is_position_independent.
* layout.cc (Layout::set_segment_offsets): Start at address 0 if
output_is_position_independent.
* output.cc (Output_file_header::do_sized_write): Use ET_DYN if
output_is_position_independent.
* i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
output_is_position_independent.
* testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
two_file_pie_test.
(basic_pie_test.o, basic_pie_test): New targets.
(two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
(two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
(two_file_pie_test): New target.
* testsuite/Makefile.in: Rebuild.
* README: Remove note saying that -pie is not supported.
2009-10-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
* options.h (class General_options): Add -init and -fini.
* layout.cc (Layout::finish_dynamic_section): Emit
given init and fini functions.
2009-10-13 Sriraman Tallam <tmsriram@google.com>
* gc.h (gc_process_relocs): Check if icf is enabled using new
function.
* gold.cc (queue_initial_tasks): Likewise.
(queue_middle_tasks): Likewise.
* object.cc (do_layout): Likewise.
* symtab.cc (is_section_folded): Likewise.
* main.cc (main): Likewise.
* reloc.cc (Read_relocs::run): Likewise.
(Sized_relobj::do_scan_relocs): Likewise.
* icf.cc (is_function_ctor_or_dtor): New function.
(Icf::find_identical_sections): Check if function is ctor or dtor when
safe icf is chosen.
* options.h (General_options::icf): Change option to be an enum.
(Icf_status): New enum.
(icf_enabled): New method.
(icf_safe_folding): New method.
(set_icf_status): New method.
(icf_status_): New variable.
* (options.cc) (General_options::finalize): Set icf_status_.
* testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
icf_test and icf_keep_unique_test to use the --icf enum flag.
* testsuite/icf_safe_test.sh: New file.
* testsuite/icf_safe_test.cc: New file.
2009-10-12 Sriraman Tallam <tmsriram@google.com>
* symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
includes to gc.h and icf.h.
* arm.cc: Include gc.h.
* gold.cc: Likewise.
* i386.cc: Likewise.
* powerpc.cc: Likewise.
* sparc.cc: Likewise.
* x86_64.cc: Likewise.
* gc.h: Include icf.h.
2009-10-11 Ian Lance Taylor <iant@google.com>
* plugin.cc: Include "gold.h" before other header files.
2009-10-10 Chris Demetriou <cgd@google.com>
* options.h (Input_file_argument::Input_file_type): New enum.
(Input_file_argument::is_lib_): Replace with...
(Input_file_argument::type_): New member.
(Input_file_argument::Input_file_argument): Take Input_file_type
'type' rather than boolean 'is_lib' as second argument.
(Input_file_argument::is_lib): Use type_.
(Input_file_argument::is_searched_file): New function.
(Input_file_argument::may_need_search): Handle is_searched_file.
* options.cc (General_options::parse_library): Support -l:filename.
(General_options::parse_just_symbols): Update for Input_file_argument
changes.
(Command_line::process): Likewise.
* archive.cc (Archive::get_file_and_offset): Likewise.
* plugin.cc (Plugin_manager::release_input_file): Likewise.
* script.cc (read_script_file, script_add_file): Likewise.
* fileread.cc (Input_file::Input_file): Likewise.
(Input_file::will_search_for): Handle is_searched_file.
(Input_file::open): Likewise.
* readsyms.cc (Read_symbols::get_name): Likewise.
* testsuite/Makefile.am (searched_file_test): New test.
* testsuite/Makefile.in: Regenerate.
* testsuite/searched_file_test.cc: New file.
* testsuite/searched_file_test_lib.cc: New file.
2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
Ian Lance Taylor <iant@google.com>
* descriptor.cc: Include <cstdio> and "binary-io.h".
(Descriptors::open): Open the files in binary mode always.
* script.cc (Lex::get_token): Treat \r as whitespace.
2009-10-09 Ian Lance Taylor <iant@google.com>
* testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
Ian Lance Taylor <iant@google.com>
* configure.ac: Check for readv function also.
* fileread.cc (readv): Define if not HAVE_READV.
* fileread.h (File_read:: max_readv_entries): Set to 1 if readv
does not exist.
* config.in: Regenerate.
* configure: Regenerate.
2009-10-09 Doug Kwan <dougkwan@google.com>
* layout.cc (Layout::make_output_section): Call target hook to make
ordinary output section.
(Layout::finalize): Adjust parameter list of call the
Target::may_relax().
* layout.h (class Layout::section_list): New method.
* merge.h (Output_merge_base::entsize): Change visibility to public.
(Output_merge_base::is_string, Output_merge_base::do_is_string):
New methods.
(Output_merge_string::do_is_string): New method.
* object.cc (Sized_relobj::do_setup): renamed from
Sized_relobj::set_up.
* object.h (Sized_relobj::adjust_shndx,
Sized_relobj::initializ_input_to_output_maps,
Sized_relobj::free_input_to_output_maps): Change visibilities to
protected.
(Sized_relobj::setup): Virtualize.
(Sized_relobj::do_setup): New method declaration.
(Sized_relobj::invalidate_section_offset,
Sized_relobj::do_invalidate_section_offset): New method decfinitions.
(Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
* options.cc (parse_int): New function.
* options.h (parse_int): New declaration.
(DEFINE_int): New macro.
(stub_group_size): New option.
* output.cc (Output_section::Output_section): Initialize memebers
merge_section_map_, merge_section_by_properties_map_,
relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
(Output_section::add_input_section): Handled deferred code-fill
generation and remove an old comment.
(Output_section::add_relaxed_input_section): New method definition.
(Output_section::add_merge_input_section): Use merge section by
properties map to speed to search. Update merge section maps
as appropriate.
(Output_section::build_relaxation_map): New method definition.
(Output_section::convert_input_sections_in_list_to_relaxed_sections):
Same.
(Output_section::relax_input_section): Renamed to
Output_section::convert_input_sections_to_relaxed_sections and change
interface to take a vector of pointers to relaxed sections.
(Output_section::find_merge_section,
Output_section::find_relaxed_input_section): New method definitions.
(Output_section::is_input_address_mapped,
Output_section::output_offset, Output_section::output_address):
Use output section data maps to speed up searching.
(Output_section::find_starting_output_address): Add comments.
(Output_section::do_write,
Output_section::write_to_postprocessing_buffer): Do code-fill
generation as appropriate.
(Output_section::get_input_sections): Invalidate relaxed input section
map.
(Output_section::restore_states): Adjust type of checkpoint .
Invalidate relaxed input section map.
* output.h (Output_merge_base): New class declaration.
(Input_section_specifier): New class defintion.
(class Output_relaxed_input_section) Change base class to
Output_section_data_build.
(Output_relaxed_input_section::Output_relaxed_input_section): Adjust
base class initializer.
(Output_section::add_relaxed_input_section): New method declaration.
(Output_section::Input_section): Change visibility to protected.
(Output_section::Input_section::relobj,
Output_section::Input_section::shndx): Handle relaxed input sections.
Output_section::input_sections) Change visibility to protected. Also
define overload to return a non-const pointer.
(Output_section::Merge_section_properties): New class defintion.
(Output_section::Merge_section_by_properties_map,
Output_section::Output_section_data_by_input_section_map,
Output_section::Relaxation_map): New types.
(Output_section::relax_input_section): Rename method to
Output_section::convert_input_sections_to_relaxed_sections and change
interface to take a vector of relaxed section pointers.
(Output_section::find_merge_section,
Output_section::find_relaxed_input_section,
Output_section::build_relaxation_map,
Output_section::convert_input_sections_in_list_to_relaxed_sections):
New method declarations.
(Output_section::merge_section_map_
Output_section::merge_section_by_properties_map_,
Output_section::relaxed_input_section_map_,
Output_section::is_relaxed_input_section_map_valid_,
Output_section::generate_code_fills_at_write_): New data members.
* script-sections.cc
(Output_section_element_input::set_section_addresses): Call
current_data_size and addralign methods of relaxed input sections.
(Orphan_output_section::set_section_addresses): Call current_data_size
and addralign methods of relaxed input sections.
* symtab.cc (Symbol_table::compute_final_value): Extract template
from the body of Symbol_table::sized_finalize_symbol.
(Symbol_table::sized_finalized_symbol): Call
Symbol_table::compute_final_value.
* symtab.h (Symbol_table::Compute_final_value_status): New enum type.
(Symbol_table::compute_final_value): New templated method declaration.
* target.cc (Target::do_make_output_section): New method defintion.
* target.h (Target::make_output_section): New method declaration.
(Target::relax): Add more parameters for input objects, symbol table
and layout. Adjust call to do_relax.
(Target::do_make_output_section): New method declaration.
(Target::do_relax): Add parameters for input objects, symbol table
and layout.
2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
* pread.c: Include stdio.h.
2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
* plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
defined.
2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
* dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
Change read_shndx type to unsigned int.
(Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
int.
(Sized_dwarf_line_info::read_line_mappings): Likewise.
* dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
Change read_shndx type to unsigned int.
(Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
int.
(Sized_dwarf_line_info::read_line_mappings): Likewise.
* layout.cc (Layout::create_symtab_sections): Cast the result of
local_symcount * symsize to off_t in the gold_assert.
2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
* arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
R_ARM_BASE_ABS.
(Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
(Arm_relocate_functions::thm_abs5): New function.
(Arm_relocate_functions::abs12): New function.
(Arm_relocate_functions::abs16): New function.
(Arm_relocate_functions::base_abs): New function.
(Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
(Scan::local): Remove special handling of R_ARM_ABS8. Handle
R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
R_ARM_BASE_ABS.
(Scan::global): Likewise.
(Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
(Relocatable_size_for_reloc::get_size_for_reloc): Handle
R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
R_ARM_BASE_ABS.
2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
* arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
(Arm_relocate_functions::movt_prel): New function.
(Arm_relocate_functions::thm_movw_prel_nc): New function.
(Arm_relocate_functions::thm_movt_prel): New function.
(Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
(Scan::global, Relocate::relocate): Likewise.
(Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
* gold.cc: (queue_initial_tasks): Pass incremental_inputs to
Incremental_checker.
* incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
unsigned int.
(class Incremental_inputs_header): New class.
(Incremental_inputs_header_writer): Edit comment.
(Incremental_inputs_entry): New class.
(Incremental_inputs_entry_writer): Edit comment.
(Sized_incremental_binary::do_find_incremental_inputs_section):
Add *strtab_shndx parameter, fill it.
(Sized_incremental_binary::do_check_inputs): New method.
(Incremental_checker::can_incrementally_link_output_file): Use
Sized_incremental_binary::check_inputs.
(Incremental_inputs::report_command_line): Save command line in
command_line_.
* incremental.h:
(Incremental_binary::find_incremental_inputs_section): New
method.
(Incremental_binary::do_find_incremental_inputs_section): Add
strtab_shndx parameter.
(Incremental_binary::do_check_inputs): New pure virtual method.
(Sized_incremental_binary::do_check_inputs): Declare.
(Incremental_checker::Incremental_checker): Add incremental_inputs
parameter, use it to initialize incremental_inputs_.
(Incremental_checker::incremental_inputs_): New field.
(Incremental_checker::command_line): New method.
(Incremental_checker::inputs): New method.
(Incremental_checker::command_line_): New field.
2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
* incremental.cc: Include <cstdarg> and "target-select.h".
(vexplain_no_incremental): New function.
(explain_no_incremental): New function.
(Incremental_binary::error): New method.
(Sized_incremental_binary::do_find_incremental_inputs_section): New
method.
(make_sized_incremental_binary): New function.
(open_incremental_binary): New function.
(can_incrementally_link_file): Add checks if output is ELF and has
inputs section.
* incremental.h: Include "elfcpp_file.h" and "output.h".
(Incremental_binary): New class.
(Sized_incremental_binary): New class.
(open_incremental_binary): Declare.
* object.cc (is_elf_object): Use
elfcpp::Elf_recognizer::is_elf_file.
(make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
* output.h (Output_file::filesize): New method.
2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
* arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
New function.
(Arm_relocate_functions::insert_val_arm_movw_movt): New function.
(Arm_relocate_functions::extract_thumb_movw_movt_addend): New
function.
(Arm_relocate_functions::insert_val_thumb_movw_movt): New
function.
(Arm_relocate_functions::movw_abs_nc): New function.
(Arm_relocate_functions::movt_abs): New function.
(Arm_relocate_functions::thm_movw_abs_nc): New function.
(Arm_relocate_functions::thm_movt_abs): New function.
(Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
(Scan::global): Likewise.
(Relocate::relocate): Likewise.
(Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
* arm.cc (Arm_relocate_functions::got_prel) New function.
(Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
(Relocate::relocate): Likewise.
(Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2009-10-06 Ian Lance Taylor <iant@google.com>
* options.h (class General_options): Define
split_stack_adjust_size parameter.
* object.h (class Object): Add uses_split_stack_ and
has_no_split_stack_ fields. Add uses_split_stack and
has_no_split_stack accessor functions. Declare
handle_split_stack_section.
(class Reloc_symbol_changes): Define.
(class Sized_relobj): Define Function_offsets. Declare
split_stack_adjust, split_stack_adjust_reltype, and
find_functions.
* object.cc (Object::handle_split_stack_section): New function.
(Sized_relobj::do_layout): Call handle_split_stack_section.
* dynobj.cc (Sized_dynobj::do_layout): Call
handle_split_stack_section.
* reloc.cc (Sized_relobj::relocate_sections): Call
split_stack_adjust for executable sections in split_stack
objects. Pass reloc_map to relocate_section.
(Sized_relobj::split_stack_adjust): New function.
(Sized_relobj::split_stack_adjust_reltype): New function.
(Sized_relobj::find_functions): New function.
* target-reloc.h: Include "object.h".
(relocate_section): Add reloc_symbol_changes parameter. Change
all callers.
* target.h (class Target): Add calls_non_split method. Declare
do_calls_non_split virtual method. Declare match_view and
set_view_to_nop.
* target.cc: Include "elfcpp.h".
(Target::do_calls_non_split): New function.
(Target::match_view): New function.
(Target::set_view_to_nop): New function.
* gold.cc (queue_middle_tasks): Give an error if mixing
split-stack and non-split-stack objects with -r.
* i386.cc (Target_i386::relocate_section): Add
reloc_symbol_changes parameter.
(Target_i386::do_calls_non_split): New function.
* x86_64.cc (Target_x86_64::relocate_section): Add
reloc_symbol_changes parameter.
(Target_x86_64::do_calls_non_split): New function.
* arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
parameter.
* powerpc.cc (Target_powerpc::relocate_section): Add
reloc_symbol_changes parameter.
* sparc.cc (Target_sparc::relocate_section): Add
reloc_symbol_changes parameter.
* configure.ac: Call AM_CONDITIONAL for the default target.
* configure: Rebuild.
* testsuite/Makefile.am (TEST_AS): New variable.
(check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
(check_DATA): Add split_i386 and split_x86_64 files.
(SPLIT_DEFSYMS): Define.
(split_i386_[1234n].o): New targets.
(split_i386_[124]): New targets.
(split_i386_[1234r].stdout): New targets.
(split_x86_64_[1234n].o): New targets.
(split_x86_64_[124]): New targets.
(split_x86_64_[1234r].stdout): New targets.
(MOSTLYCLEANFILES): Add new executables.
* testsuite/split_i386.sh: New file.
* testsuite/split_x86_64.sh: New file.
* testsuite/split_i386_1.s: New file.
* testsuite/split_i386_2.s: New file.
* testsuite/split_i386_3.s: New file.
* testsuite/split_i386_4.s: New file.
* testsuite/split_i386_n.s: New file.
* testsuite/split_x86_64_1.s: New file.
* testsuite/split_x86_64_2.s: New file.
* testsuite/split_x86_64_3.s: New file.
* testsuite/split_x86_64_4.s: New file.
* testsuite/split_x86_64_n.s: New file.
* testsuite/testfile.cc (Target_test): Update relocation_section
function.
* testsuite/Makefile.in: Rebuild.
2009-10-06 Ian Lance Taylor <iant@google.com>
* i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
(Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE. When
handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
the address on ldo_addrs_.
(Target_i386::Relocate::fix_up_ldo): New function.
2009-10-06 Rafael Espindola <espindola@google.com>
* plugin.cc (add_input_library): New.
(Plugin::load): Add add_input_library to tv.
(Plugin_manager::add_input_file): Add the is_lib argument.
(add_input_file): Update call to Plugin_manager::add_input_file.
(add_input_library): New.
* plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
2009-09-30 Doug Kwan <dougkwan@google.com>
* arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
symbol and call Symbol::may_need_copy_reloc to determine if
a copy reloc is needed.
* copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
nocopyreloc is given in command line.
(Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
given in command line.
* i386.cc (Target_i386::may_need_copy_reloc): Remove.
(Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
of the removed Target_i386::may_need_copy_reloc.
* options.h (copyreloc): New option with default value false.
* powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
(Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
instead of the removed Target_powerpc::may_need_copy_reloc.
* sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
(Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
instead of the removed Target_sparc::may_need_copy_reloc.
* symtab.h (Symbol::may_need_copy_reloc): New method definition.
* x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
(Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
instead of the removed Target_x86_64::may_need_copy_reloc.
2009-09-30 Ian Lance Taylor <iant@google.com>
* object.h (class Object): Remove target_ field, and target,
sized_target, and set_target methods.
(Object::sized_target): Remove.
(class Sized_relobj): Update declarations. Remove sized_target.
* object.cc (Sized_relobj::setup): Remove target parameter.
Change all callers.
(Input_objects::add_object): Don't do anything with the target.
(make_elf_sized_object): Add punconfigured parameter. Change all
callers. Set or test parameter target.
* dynobj.cc (Sized_dynobj::target): Remove target parameter.
Change all callers.
* parameters.cc (Parameters::set_target): Change parameter type to
be non-const.
(Parameters::default_target): Remove.
(set_parameters_target): Change parameter type to be non-const.
(parameters_force_valid_target): New function.
(parameters_clear_target): New function.
* parameters.h (class Parameters): Update declarations. Remove
default_target method. Add sized_target and clear_target
methods. Change target_ to be non-const.
(set_parameters_target): Update declaration.
(parameters_force_valid_target): Declare.
(parameters_clear_target): Declare.
* readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
as NULL if we aren't searching.
(Add_symbols::run): Don't check for compatible target.
* fileread.cc (Input_file::open_binary): Call
parameters_force_valid_target.
* gold.cc (queue_middle_tasks): Likewise.
* plugin.cc (make_sized_plugin_object): Likewise. Don't call
set_target on object.
* dynobj.h (class Sized_dynobj): Update declarations.
* archive.cc (Archive::get_elf_object_for_member): Return NULL if
make_elf_object returns NULL.
(Archive::include_member): Don't check whether object target is
compatible.
* output.cc (Output_section::add_input_section): Get target from
parameters.
(Output_section::relax_input_section): Likewise.
* reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
parameters.
(Sized_relobj::do_scan_relocs): Likewise.
(Sized_relobj::relocate_sections): Likewise.
* resolve.cc (Symbol_table::resolve): Likewise.
* symtab.cc (Symbol_table::wrap_symbol): Likewise. Remove object
parameter. Change all callers.
(Symbol_table::add_from_object): Get target from parameters.
(Symbol_table::add_from_relobj): Don't check object target.
(Symbol_table::add_from_dynobj): Likewise.
(Symbol_table::define_special_symbol): Get target from
parameters.
* symtab.h (class Symbol_table): Update declaration.
* testsuite/binary_unittest.cc (gold_testsuite): Remove target
parameter. Change all callers. Clear parameter target.
(Binary_test): Test target here.
* testsuite/object_unittest.cc (gold_testsuite): Remove
target_test_pointer parameter. Change all callers.
(Object_test): Test target here.
2009-09-26 Ian Lance Taylor <iant@google.com>
* testsuite/initpri1.c: Don't try to use constructor priorities if
compiling with gcc before 4.3.
2009-09-22 Mikolaj Zalewski <mikolajz@google.com>
* testsuite/retain_symbols_file_test.sh (check_present): Change
output file name to retain_symbols_file_test.stdout.
(check_absent): Likewise.
2009-09-18 Craig Silverstein <csilvers@google.com>
* object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
* options.cc: Include <cerrno> and <fstream>.
(General_options::finalize): Parse -retain-symbols-file tag.
* options.h: New flag.
(General_options): New method should_retain_symbol, new
variable symbols_to_retain.
* symtab.cc (Symbol_table::sized_finalize_symbol): Test
should_retain_symbol map.
* testsuite/Makefile.am (retain_symbols_file_test): New test.
* testsuite/Makefile.in: Regenerate.
* testsuite/retain_symbols_file_test.sh: New file.
2009-09-18 Nick Clifton <nickc@redhat.com>
* po/es.po: Updated Spanish translation.
2009-09-17 Doug Kwan <dougkwan@google.com>
* debug.h (DEBUG_RELAXATION): New constant.
(DEBUG_ALL): Add DEBUG_RELAXATION.
(debug_string_to_enum): Add relaxation debug option.
* layout.cc
(Layout::Relaxation_debug_check::check_output_data_for_reset_values,
Layout::Relaxation_debug_check::read_sections,
Layout::Relaxation_debug_check::read_sections): New method definitions.
(Layout::Layout): Initialize data members
record_output_section_data_from_scrips_,
script_output_section_data_list_ and relaxation_debug_check_.
(Layout::save_segments, Layout::restore_segments,
Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
Layout::relaxation_loop_body): New method definitions.
(Layout::finalize): Support relaxation. Move section layout code to
Layout::relaxation_loop_body.
(Layout::set_asection_address_from_script): Move code for orphan
section placement out.
(Layout::place_orphan_sections_in_script): New method definition.
* layout.h (Output_segment_headers, Output_file_header):
New forward class declarations.
(Layout::~Layout): Define.
(Layout::new_output_section_data_from_script): New method definition.
(Layout::place_orphan_sections_in_script): New method declaration.
(Layout::Segment_states): New type declaration.
(Layout::save_segments, Layout::restore_segments,
Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
Layout::relaxation_loop_body): New method declarations.
(Layout::Output_section_data_list): New type declaration.
(Layout::Relaxation_debug_check): New class definition.
(Layout::record_output_section_data_from_script_,
Layout::script_output_section_data_list_, Layout::segment_states_,
Layout::relaxation_debug_check_): New data members.
* output.cc: (Output_section_headers::do_size): New method definition.
(Output_section_headers::Output_section_headers): Move size
computation to Output_section_headers::do_size.
(Output_segment_headers::do_size): New method definition.
(Output_file_header::Output_file_header): Move size computation to
Output_file_header::do_size and call it.
(Output_file_header::do_size): New method definition.
(Output_data_group::Output_data_group): Adjust call to
Output_section_data.
(Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
(Output_symtab_xindex::do_write): Add array bound check.
(Output_section::Input_section::print_to_mapfile): Handle
RELAXED_INPUT_SECTION_CODE.
(Output_section::Output_section): Initialize data member checkpoint_.
(Output_section::~Output_section): Delete checkpoint object pointed
by checkpoint_.
(Output_section::add_input_section): Always add an Input_section if
relaxing.
(Output_section::add_merge_input_section): Add assert.
(Output_section::relax_input_section): New method definition.
(Output_section::set_final_data_size): Set load address to zero for
an unallocated section.
(Output_section::do_address_and_file_offset_have_reset_values):
New method definition.
(Output_section::Input_section_sort_enty::Input_section_sort_enty):
Handle relaxed input section.
(Output_section::sort_attached_input_sections): Checkpoint input
section list lazily.
(Output_section::get_input_sections): Change type of input_sections to
list of Simple_input_section pointers. Checkpoint input section list
lazily. Also handle relaxed input sections.
(Output_section::add_input_section_for_script): Take a reference to
a Simple_input_section object instead of Relobj pointer and section
index as parameter. Handle relaxed input sections.
(Output_section::save_states, Output_section::restore_states): New
method definitions.
* output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
(Output_data::is_data_size_fixed): New method definition.
(Output_data::reset_addresss_and_file_offset): Do not reset data size
if it is fixed.
(Output_data::address_and_file_offset_have_reset_values): New method
definition.
(Output_data::do_address_and_file_offset_have_reset_values): New method
definition.
(Output_data::set_data_size): Check that data size is not fixed.
(Output_data::fix_data_size): New method definition.
(Output_data::is_data_size_fixed_): New data member.
(Output_section_headers::set_final_data_size): New method definition.
(Output_section_headers::do_size): New method declaration.
(Output_segment_headers::set_final_data_size): New method definition.
(Output_segment_headers::do_size): New method declaration.
(Output_file_header::set_final_data_size)::New method definition.
(Output_file_header::do_size)::New method declaration.
(Output_section_data::Output_section_data): Add new parameter
is_data_size_fixed and use it to fix data size.
(Output_data_const::Output_data_const): Adjust call to base class
constructor and fix data size.
(Output_data_const_buffer::Output_data_const_buffer): Adjust call to
base class constructor and fix data size.
(Output_data_fixed_space::Output_data_fixed_space): Adjust call to
base class constructor and fix data size.
(Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
class constructor and fix data size.
(Output_data_group::set_final_data_size): New method definition.
(Output_data_dynamic::Dynamic_entry::tag): New method definition.
(Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
class constructor and fix data size.
(Output_relaxed_input_section): New class definition.
(Output_section::Simple_input_section): New class definition.
(Output_section::get_input_sections): Adjust parameter list.
(Output_section::add_input_section_for_script): Same.
(Output_section::save_states, Output_section::restore_states,
Output_section::do_address_and_file_offset_have_reset_values,
(Output_section::Input_section::Input_section): Handle
RELAXED_INPUT_SECTION_CODE. Add new overload for
Output_relaxed_input_section.
(Output_section::Input_section::is_input_section,
Output_section::Input_section::set_output_section): Handle relaxed
input section.
(Output_section::Input_section::is_relaxed_input_section,
Output_section::Input_section::output_section_data,
Output_section::Input_section::relaxed_input_section): New method
definitions.
(Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
value.
(Output_section::Input_section::u1_): Update comments.
(Output_section::Input_section::u2_): Add new union member poris.
(Output_section::Checkpoint_output_section): New classs definition.
(Output_section::relax_input_section): New method declaration.
(Output_section::checkpoint_): New data member.
(Output_segment): Update comments.
(Output_segment::Output_segment): Un-privatize copy constructor.
(Output_segment::operator=): Un-privatize.
* script-sections.cc (Output_section_element::Input_section_list):
Change element type to Output_section::Simple_input_section.
(Output_section_element_dot_assignment::set_section_addresses):
Register output section data for relaxation clean up.
(Output_data_exression::Output_data_expression): Adjust call to base
constructor to fix data size.
(Output_section_element_data::set_section_addresses): Register
Output_data_expression object for relaxation clean up.
(struct Input_section_info): Replace Relobj pointer and section index
pair with Output_section::Simple_input_section and Convert struct to a
class.
(Input_section_sorter::operator()): Adjust access to
Input_section_info data member to use accessors.
(Output_section_element_input::set_section_addresses): Use layout
parameter. Adjust code to use Output_section::Simple_input_section
and Input_secction_info classes. Register filler for relaxation
clean up.
(Orphan_output_section::set_section_addresses): Replace Relobj pointer
and section index pair with Output_section::Simple_input_section
class. Adjust code accordingly.
(Phdrs_element::release_segment): New method definition.
(Script_sections::attach_sections_using_phdrs_clause): Do not modify
segment list.
(Script_sections::release_segments): New method definition.
* gold/script-sections.h (Script_sections::release_segments): New
method declaration.
* gold/target.h (Target::may_relax, Target::relax,
Target::do_may_relax, Target::do_relax): New method definitions.
2009-09-17 Viktor Kutuzov <vkutuzov@accesssoftek.com>
* arm.cc (has_signed_unsigned_overflow): New function.
(Arm_relocate_functions::abs8): New function.
(Target_arm::Scan::local): Handle R_ARM_ABS8.
(Target_arm::Scan::global): Likewise.
(Target_arm::relocate::relocate): Likewise.
(Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
Likewise.
2009-09-16 Cary Coutant <ccoutant@google.com>
* testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
* testsuite/Makefile.in: Regenerate.
2009-09-11 Nick Clifton <nickc@redhat.com>
* po/gold.pot: Updated by the Translation project.
2009-09-08 Cary Coutant <ccoutant@google.com>
* output.cc (Output_file::open): Add execute permission to empty file.
* testsuite/Makefile.am (permission_test): New test.
* testsuite/Makefile.in: Regenerate.
2009-09-02 Ian Lance Taylor <iant@google.com>
* output.cc (Output_file::resize): Call map_no_anonymous rather
than map.
2009-09-01 Mikolaj Zalewski <mikolajz@google.com>
* gold.cc: Include "incremental.h".
(queue_initial_tasks): Call Incremental_checker methods.
* incremental.cc: Include "output.h".
(Incremental_checker::can_incrementally_link_output_file): New
method.
* incremental.h (Incremental_checker): New class.
* output.cc (Output_file::open_for_modification): New method.
(Output_file::map_anonymous): Changed return type to bool. Record
map in base_ field.
(Output_file::map_no_anonymous): New method, broken out of map.
(Output_file::map): Use map_no_anonymous and map_anonymous.
* output.h (class Output_file): Update declarations.
2009-08-24 Cary Coutant <ccoutant@google.com>
* options.h (Command_line::Pre_options): New class.
(Command_line::pre_options): New member.
* options.cc (gold::options::ready_to_register): New variable.
(One_option::register_option): Do nothing if not registering options.
Assert if same short option registered twice.
(General_options::General_options): Turn off option registration when
done constructing.
(Command_line::Pre_options::Pre_options): New constructor.
2009-08-24 Cary Coutant <ccoutant@google.com>
* options.h (General_options::no_keep_memory): Remove incorrect
short option.
2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* Makefile.am (am__skiplex, am__skipyacc): New.
* Makefile.in: Regenerate.
2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* Makefile.am (AM_CPPFLAGS): Renamed from ...
(INCLUDES): ... this.
* testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
(AM_CPPFLAGS): Renamed from ...
(INCLUDE): ... this.
* Makefile.in, testsuite/Makefile.in: Regenerate.
* Makefile.in: Regenerate.
* aclocal.m4: Likewise.
* config.in: Likewise.
* configure: Likewise.
* testsuite/Makefile.in: Likewise.
* Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
* testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
* Makefile.in: Regenerate.
* testsuite/Makefile.in: Regenerate.
2009-08-19 Cary Coutant <ccoutant@google.com>
* resolve.cc (Symbol_table::resolve): Don't complain about defined
symbols in shared libraries overridden by hidden or internal symbols
in the main program.
2009-08-19 Chris Demetriou <cgd@google.com>
* testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
checking source file names in error messages.
2009-08-18 Doug Kwan <dougkwan@google.com>
* dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
an elcpp::Ehdr as parameter. Adjust call to set_target.
* dynobj.h (Sized_dynobj::setup): Take a Target object instead of
an elfcpp::Ehdr as parameter.
* object.cc (Object::set_target): Remove the version that looks up
a target and sets it.
(Sized_relobj::setup): Take a Target object instead of
an elfcpp::Ehdr as parameter. Adjust call to set_target.
(make_elf_sized_object): Find target and ask target to
make an ELF object.
* object.h: (Object::set_target): Remove the version that looks up
a target and sets it.
(Sized_relobj::setup): Take a Target object instead of
an elfcpp:Ehdr as parameter.
* target.cc: Include dynobj.h.
(Target::do_make_elf_object_implementation): New.
(Target::do_make_elf_object): New.
* target.h (Target::make_elf_object): New template declaration.
(Target::do_make_elf_object): New method declarations.
(Target::do_make_elf_object_implementation): New template declaration.
2009-08-14 Ian Lance Taylor <iant@google.com>
* gold.h (FUNCTION_NAME): Define.
(gold_unreachable): Use FUNCTION_NAME.
2009-08-12 Sriraman Tallam <tmsriram@google.com>
* icf.cc (Icf::find_identical_sections): Issue a warning when a
symbol in the --keep-unique list is not found.
2009-08-12 Sriraman Tallam <tmsriram@google.com>
* icf.cc (Icf::find_identical_sections): Unfold symbols that have
been maked as --keep-unique.
(Icf::unfold_section): New function.
* icf.h (Icf::unfold_section): New function.
* options.h (General_options::keep_unique): New option.
* testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
* testsuite/Makefile.in: Regenerate.
* testsuite/icf_keep_unique_test.sh: New file.
* testsuite/icf_keep_unique_test.cc: New file.
2009-08-12 Cary Coutant <ccoutant@google.com>
PR 10471
* resolve.cc (Symbol_table::resolve): Check for references from
dynamic objects to hidden and internal symbols.
* testsuite/Makefile.am (hidden_test.sh): New test.
* testsuite/Makefile.in: Regenerate.
* testsuite/hidden_test.sh: New script.
* testsuite/hidden_test_1.c: New test source.
* testsuite/hidden_test_main.c: New test source.
2009-08-11 Doug Kwan <dougkwan@google.com>
* arm.cc: Update comments.
(Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
segment to locate the .ARM.exidx section if present.
2009-08-09 Doug Kwan <dougkwan@google.com>
* dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
patch.
2009-08-07 Sriraman Tallam <tmsriram@google.com>
* dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
compiler warnings.
2009-08-06 Sriraman Tallam <tmsriram@google.com>
* x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
valid tls_segment only for non-debug-section relocations.
* testsuite/Makefile.am: Add gc_tls_test.
* testsuite/Makefile.in: Regenerate.
* testsuite/gc_tls_test.cc: New file.
* testsuite/gc_tls_test.sh: New file.
2009-08-05 Sriraman Tallam <tmsriram@google.com>
* icf.cc: New file.
* icf.h: New file.
* Makefile.am (CCFILES): Add icf.cc.
(HFILES): Add icf.h
* Makefile.in: Regenerate.
* dynobj.h (Sized_dynobj::do_section_entsize): New function.
* gc.h (gc_process_relocs): Populate lists used by icf to contain
section, symbol and addend information for the relocs.
* gold.cc (queue_middle_tasks): Call identical code folding.
* gold.h: Add defines for multimap.
* layout.cc (Layout::create_symtab_sections): Add symtab as parameter
to the call of finalize_local_symbols.
* main.cc (main): Create object of class Icf.
* object.cc (Sized_relobj::do_layout): Allow this function to be
called twice during icf.
(Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
to sections marked as identical by icf.
(Sized_relobj::do_section_flags): Get section_flags from Symbols_data
when available.
(Sized_relobj::do_section_entsize): New function.
* object.h (Object::section_entsize): New function.
(Object::do_section_entsize): New pure virtual function.
(Relobj::finalize_local_symbols): Add new parameter.
(Relobj::do_section_entsize): New function.
* options.h (General_options::icf): New option.
(General_options::icf_iterations): New option.
(General_options::print_icf_sections): New option.
* plugin.cc (Sized_pluginobj::do_section_entsize): New function.
* plugin.h (Sized_pluginobj::do_section_entsize): New function.
* reloc.cc (Read_relocs::run): Delay scanning relocs when doing
icf.
* symtab.cc (Symbol_table::is_section_folded): New function.
(Symbol_table::sized_finalize_symbol): Fold symbols corresponding
to sections marked as identical by icf.
* symtab.h (Symbol_table::set_icf): New function.
(Symbol_table::icf): New function.
(Symbol_table::is_section_folded): New function.
(Symbol_table::icf_): New data member.
* target-reloc.h (relocate_section): Ignore sections folded by icf.
* testsuite/Makefile.am: Add commands to build icf_test.
* testsuite/Makefile.in: Regenerate.
* testsuite/icf_test.sh: New file.
* testsuite/icf_test.cc: New file.
2009-07-24 Chris Demetriou <cgd@google.com>
* layout.cc (is_compressible_debug_section): Fix incorrect
comment about compressed section names.
2009-07-20 Ian Lance Taylor <ian@airs.com>
PR 10419
* x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
2009-07-16 Ian Lance Taylor <iant@google.com>
PR 10400
* layout.h: #include <map>.
(class Kept_section): Change from struct to class. Add accessors
and setters. Add section size to Comdat_group mapping. Change
Comdat_group to std::map. Add is_comdat_ field. Add
linkonce_size field in union.
(class Layout): Update declaration of find_or_add_kept_section.
Don't declare find_kept_object.
* layout.cc (Layout::find_or_add_kept_section): Remove candidate
parameter. Add object, shndx, is_comdat, and is_group_name
parameters. Change all callers. Adjust for new Kept_section.
(Layout::find_kept_object): Remove.
* object.cc (Sized_relobj::include_section_group): Update use of
Kept_section. Rename secnum to shndx. Only record
Kept_comdat_section if sections are the same size.
(Sized_relobj::include_linkonce_section): Update use of
Kept_section. Only record Kept_comdat_section if sections are the
same size. Set size of linkonce section.
(Sized_relobj::map_to_kept_section): Update call to
get_kept_comdat_section.
* object.h (class Sized_relobj): Rename fields in
Kept_comdat_section to drop trailing underscores; change object
field to Relobj*. Change Kept_comdat_section_table to store
struct rather than pointer.
(Sized_relobj::set_kept_comdat_section): Remove kept parameter.
Add kept_object and kept_shndx parameters. Change all callers.
(Sized_relobj::get_kept_comdat_section): Change return type to
bool. Add kept_object and kept_shndx parameters. Change all
callers.
* plugin.cc (Pluginobj::include_comdat_group): Update call to
Layout::find_or_add_kept_section.
2009-07-09 Ian Lance Taylor <iant@google.com>
* merge.cc (Object_merge_map::initialize_input_to_output_map):
Reserve space in the hash table.
2009-07-06 Mikolaj Zalewski <mikolajz@google.com>
* fileread.cc (File_read::get_mtime): New method.
* fileread.h (Timespec): New structure.
(File_read::get_mtime): New method.
* incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
Renamed from timestamp_nsec.
(Incremental_inputs_entry_write::timestamp_sec): Fix argument to
Elf_Xword.
(Incremental_inputs_entry_write::timestamp_usec): Renamed from
timestamp_nsec.
(Incremental_inputs::report_archive): Save mtime; style fix.
(Incremental_inputs::report_obejct): Save mtime; style fix.
(Incremental_inputs::report_script): Save mtime; style fix.
(Incremental_inputs::finalize_inputs): Style fix.
(Incremental_inputs::finalize): Style fix.
(Incremental_inputs::create_input_section_data): Store inputs
mtime.
* incremental.h (Incremental_inputs::report_script): Add mtime
argument.
(Incremental_inputs::Input_info::Input_info): Intialize only one
union member.
(Incremental_inputs::Input_info::archive): Move to nameless
union.
(Incremental_inputs::Input_info::obejct): Move to nameless union.
(Incremental_inputs::Input_info::script): Move to nameless union.
(Incremental_inputs::mtime): New field.
* script.cc (read_input_script): Pass file mtime to
Incremental_input.
* script.h (Script_info::inputs): Style fix.
2009-07-01 Ian Lance Taylor <ian@airs.com>
* freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
instead of 32.
2009-06-24 Ian Lance Taylor <iant@google.com>
PR 10156
* layout.cc (Layout::choose_output_section): If we find an
existing section, update the flags.
(Layout::create_notes): New function, broken out of
Layout::finalize.
(Layout::finalize): Don't create note sections.
(Layout::create_note): Don't crash if linker script discards
section.
(Layout::create_gold_note): Likewise.
(Layout::create_build_id): Likewise. Don't set
after_input_sections on the section.
(Layout::create_executable_stack_info): Remove target parameter.
Change caller.
* layout.h (class Layout): Declare create_notes. Update
declaration of create_executable_stack_info.
* gold.cc (queue_middle_tasks): Call create_notes.
* output.cc (Output_section::update_flags_for_input_section): Move
here from output.h. If SHF_ALLOC flag is newly set, mark address
invalid.
* output.h (Output_data::mark_address_invalid): New function.
(class Output_section): Only declare, not define,
update_flags_for_input_section. Remove set_flags.
2009-06-24 Ian Lance Taylor <iant@google.com>
* script-sections.cc (Output_section_definition::
set_section_addresses): Rename shadowing local load_address to
laddr.
2009-06-24 Ian Lance Taylor <iant@google.com>
PR 10244
* reloc.cc (relocate_sections): Skip empty relocation sections.
2009-06-23 Ian Lance Taylor <iant@google.com>
PR 10156
* layout.cc (Layout::create_note): Use choose_output_section
rather than make_output_section.
2009-06-23 Ian Lance Taylor <iant@google.com>
PR 10237
* options.cc (General_options::parse_V): Set printed_version_.
(General_options::General_options): Initialize printed_version_.
* options.h (class General_options): Add printed_version_ field.
* gold.cc (queue_initial_tasks): If there are no input files,
don't give a fatal error if we printed the version information.
(queue_middle_tasks): If using -r with a shared object, give a
fatal error rather than an ordinary error.
2009-06-23 Ian Lance Taylor <iant@google.com>
PR 10219
* layout.cc (Layout::Layout): Initialize have_stabstr_section_.
(Layout::make_output_section): Set have_stabstr_section_ if we see
a .stab*str section.
(Layout::finalize): Call link_stabs_sections.
(Layout::link_stabs_sections): New file.
* layout.h (class Layout): Add have_stabstr_section_ field.
Declare link_stabs_sections.
2009-06-23 Doug Kwan <dougkwan@google.com>
* Makefile.am (libgold_a_LIBADD): New.
(ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
* Makefile.in: Regenerate.
* config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
* configure: Regenerate.
* configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
* fileread.cc: Include sys/state.h
* gold.h: Declare memmem and strndup if found missing.
* gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
2009-06-23 Ian Lance Taylor <iant@google.com>
* configure.ac: Call AC_CHECK_DECLS using C, not C++.
* configure: Rebuild.
2009-06-23 Ian Lance Taylor <iant@google.com>
PR 10147
* object.cc (Object::section_contents): Don't try to get a view if
the section has length zero.
(Object::handle_gnu_warning_section): If the section is empty, use
the name of the section as the warning.
2009-06-23 Ian Lance Taylor <iant@google.com>
PR 10133
* stringpool.h (class Stringpool_template): Add optimize_ field.
(Stringpool_template::set_optimize): New function.
* stringpool.cc (Stringpool_template::Stringpool_template):
Initialize optimize_ field.
(Stringpool_template::set_string_offsets): Test local optimize
fild rather than parameter.
* layout.cc (Layout::Layout): Call set_optimize on the section
name stringpool.
2009-06-22 Ian Lance Taylor <iant@google.com>
PR 10030
* yyscript.y: Parse TARGET.
* script.cc (script_set_target): New function.
* script-c.h (script_set_target): Declare.
* options.cc (General_options::string_to_object_format): Rename
from string_to_object_format in anonymous namespace. Change
callers.
* options.h (class General_options): Declare
string_to_object_format.
2009-06-22 Ian Lance Taylor <iant@google.com>
* script-sections.cc (Script_sections::create_segments): Don't put
program headers in a PT_LOAD segment if -n or -N.
2009-06-22 Ian Lance Taylor <iant@google.com>
PR 10141
* options.h (class General_options): Add -z lazy and -z now. Sort
-z options into alphabetical order.
* layout.cc (Layout::finish_dynamic_section): Handle -z now.
2009-06-21 Ian Lance Taylor <iant@google.com>
* layout.cc (Layout::make_output_section): Call
Target::new_output_section.
(Layout::attach_allocated_section_to_segment): Put large section
sections in a separate load segment with the large segment flag
set.
(Layout::segment_precedes): Sort large data segments after other
load segments.
(align_file_offset): New static function.
(Layout::set_segment_offsets): Use align_file_offset.
* output.h (class Output_section): Add is_small_section_ and
is_large_section_ fields.
(Output_section::is_small_section): New function.
(Output_section::set_is_small_section): New function.
(Output_section::is_large_section): New function.
(Output_section::set_is_large_section): New function.
(Output_section::is_large_data_section): New function.
(class Output_segment): Add is_large_data_segment_ field.
(Output_segment::is_large_data_segment): New function.
(Output_segment::set_is_large_data_segment): New function.
* output.cc (Output_section::Output_section): Initialize new
fields.
(Output_segment::Output_segment): Likewise.
(Output_segment::add_output_section): Add assertion that large
data sections always go in large data segments. Force small data
sections to the end of the list of data sections. Force small BSS
sections to the start of the list of BSS sections. For large BSS
sections to the end of the list of BSS sections.
* symtab.h (class Symbol): Declare is_common_shndx.
(Symbol::is_defined): Check Symbol::is_common_shndx.
(Symbol::is_common): Likewise.
(class Symbol_table): Define enum Commons_section_type. Update
declarations. Add small_commons_ and large_commons_ fields.
* symtab.cc (Symbol::is_common_shndx): New function.
(Symbol_table::Symbol_table): Initialize new fields.
(Symbol_table::add_from_object): Put small and large common
symbols in the right list.
(Symbol_table::sized_finalized_symbol): Check
Symbol::is_common_shndx.
(Symbol_table::sized_write_globals): Likewise.
* common.cc (Symbol_table::do_allocate_commons): Allocate new
common symbol lists. Don't call do_allocate_commons_list if the
list is empty.
(Symbol_table::do_allocate_commons_list): Remove is_tls
parameter. Add comons_section_type parameter. Change all
callers. Handle small and large common symbols.
* object.cc (Sized_relobj::do_finalize_local_symbols): Check
Symbol::is_common_shndx.
* resolve.cc (symbol_to_bits): Likewise.
* target.h (Target::small_common_shndx): New function.
(Target::small_common_section_flags): New function.
(Target::large_common_shndx): New function.
(Target::large_common_section_flags): New function.
(Target::new_output_section): New function.
(Target::Target_info): Add small_common_shndx, large_common_shndx,
small_common_section_flags, and large_common_section_flags
fields.
(Target::do_new_output_section): New virtual function.
* arm.cc (Target_arm::arm_info): Initialize new fields.
* i386.cc (Target_i386::i386_info): Likewise.
* powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
Likewise.
* sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
* x86_64.cc (Target_x86_64::x86_64_info): Likewise.
(Target_x86_64::do_new_output_section): New function.
* configure.ac: Define conditional MCMODEL_MEDIUM.
* testsuite/Makefile.am (check_PROGRAMS): Add large.
(large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
(large_LDFLAGS): Define.
* testsuite/large.c: New file.
* testsuite/testfile.cc (Target_test::test_target_info):
Initialize new fields.
* configure, testsuite/Makefile.in: Rebuild.
2009-06-05 Doug Kwan <dougkwan@google.com>
* Makefile.am (CCFILES): Add target.cc.
* Makefile.in: Regenerate.
* i386.cc (class Target_i386): Define new virtual method to
override do_is_local_label_name in parent.
* object.cc (Sized_relobj::do_count_local_symbols): Discard
local symbols if --discard-locals or -X is given.
* options.h (class General_options): Declare new options
'--discard-locals' and '-X' for discarding locals.
* target.h (class Target): Define new methods is_local_label_name.
Declare new virtual method do_is_local_label_name.
* target.cc: New file.
* testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
(check_SCRIPTS): Add discard_locals_test.sh.
(check_DATA): Add discard_local_tests.syms.
(discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
(discard_local_tests.syms, discard_locals_test.o): New make rules.
* testsuite/Makefile.in: Regenerate.
* testsuite/discard_locals_test.c: New file.
* testsuite/discard_locals_test.sh: Same.
2009-06-05 Doug Kwan <dougkwan@google.com>
* object.cc (Sized_relobj::Sized_relobj): Initialize
discarded_eh_frame_shndx_ to -1U.
(Sized_relobj::do_layout): Record index of a discard .eh_frame
section.
(Sized_relobj::do_count_local_symbols): Skip local symbols in
a discarded .eh_frame section.
(Sized_relobj::do_finalize_local_symbols): Ditto.
* object.h (class Sized_relobj): Declare new member
discarded_eh_frame_shndx_.
* testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
(local_labels_test.o, local_labels_test): New rules.
* testsuite/Makefile.in: Regenerate.
2009-06-04 Doug Kwan <dougkwan@google.com>
* layout.cc (Layout::section_name_mapping): Add mapping for
special ARM sections.
2009-06-03 Doug Kwan <dougkwan@google.com>
* arm.cc (utils::sign_extend): Reverse test in gold_assert.
(utils::has_overflow): Same.
2009-06-03 Ian Lance Taylor <iant@google.com>
* layout.cc (Layout::section_name_mapping): New array, replacing
Layout::linkonce_mapping.
(Layout::section_name_mapping_count): New variable, replacing
Layout::linkonce_mapping_count.
(Layout::linkonce_output_name): Remove.
(Layout::output_section_name): Rewrite.
* layout.h (class Layout): Rename Linkonce_mapping to
Section_name_mapping, linkonce_mapping to section_name_mapping,
linkonce_mapping_count to section_name_mapping_count. Don't
declare linkonce_output_name.
2009-06-03 Doug Kwan <dougkwan@google.com>
* gold/arm.cc (namespace utils): New.
(Target_arm::reloc_is_non_pic): Define new method.
(class Arm_relocate_functions): New.
(Target_arm::Relocate::relocate): Handle relocation types used by
Android.
2009-06-03 Ian Lance Taylor <iant@google.com>
* arm.cc (Target_arm::scan::global): Use || instead of |.
2009-06-02 Doug Kwan <dougkwan@google.com>
* gold/arm.cc (Target_arm::Scan::Scan): Initialize
issued_non_pic_error_.
(class Target_arm::Scan): Declare new method check_non_pic.
Define new method symbol_needs_plt_entry.
Declare new data member issued_non_pic_error_.
(class Target_arm::Relocate): Declare new method
should_apply_static_reloc.
(Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
(Target_arm::Scan::check_non_pic): Define new method.
(Target_arm::Scan::local): Handle a small subset of reloc types used
by Android.
(Target_arm::Scan::local): Same.
(Target_arm::Relocate::should_apply_statci_reloc): Define new method.
2009-05-31 Mikolaj Zalewski <mikolajz@google.com>
* incremental.cc (Incremental_inputs::report_command_line): Filter
out --incremental-* options.
2009-05-29 Doug Kwan <dougkwan@google.com>
* gold/arm.cc (Output_data_plt_arm): Forward declaration for new
template class.
(class Target_arm): Update comment.
(Target_arm::Target_arm): Initialize new data members GOT_,
PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
and Target_arm::rel_dyn_section.
Declare new_enum Target_arm::Got_type.
Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
and DYNBSS_.
Update commments for member do_dynsym_value.
(Target_arm::got_size, Target_arm::plt_section,
Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
new methods inside class defintion.
(Target_arm::got_section): Define new method.
(Target_arm::rel_dyn_section): Same.
(Output_data_plt_arm): New template class.
(Output_data_plt_arm::Output_data_plt_arm): Define constructor.
(Output_data_plt_arm:do_adjust_output_section): Define new method.
(Output_data_plt_arm::add_entry): Same.
(Output_data_plt_arm::first_plt_entry): Define new
static data member for PLT instruction template.
(Output_data_plt_arm::plt_entry): Same.
(Output_data_plt_arm::do_write): Define new method.
(Target_arm::make_plt_entry): Same.
(Target_arm::do_finalize_sections): Same.
(Target_arm::do_dynsym_value): Same.
2009-05-28 Doug Kwan <dougkwan@google.com>
* Makefile.am (TARGETSOURCES): Add arm.cc.
(ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
* Makefile.in: Regenerate.
* arm.cc: New file.
* configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
2009-05-26 Doug Kwan <dougkwan@google.com>
* options.cc (General_options::parse_exclude_libs). Fix a comment.
(General_options::check_excluded_libs): Strip off directories in
archive name before matching like GNU ld does.
* testsuite/Makefile.am (MOSTLYCLEANFILES,
exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
(exclude_libs_test_LDFLAGS): Add linker option
-Wl,--exclude-libs,libexclude_libs_test_3
(exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
an explicit archive without using -l.
(alt/libexclude_libs_test_3.a): New make rule.
* testsuite/Makefile.in: Regenerate.
* testsuite/exclude_libs_test.c : Declare lib3_default().
(main): Call it.
* exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
* exclude_libs_test_3.c: New file.
2009-05-26 Nick Clifton <nickc@redhat.com>
* po/id.po: New Indonesian translation.
* po/gold.pot: Updated template file.
2009-05-22 Sriraman Tallam <tmsriram@google.com>
* testsuite/Makefile.am: Add -ffunction-sections to compile
gc_comdat_test files. Add -Wl,--gc-sections to build
gc_comdat_test.
* testsuite/Makefile.in: Regenerate.
* testsuite/gc_comdat_test.sh: Fix the condition around grep.
2009-05-21 Sriraman Tallam <tmsriram@google.com>
* object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
kept comdat section was garbage collected.
* testsuite/Makefile.am: Add test gc_comdat_test.sh.
* testsuite/Makefile.in: Regenerate.
* testsuite/gc_comdat_test.sh: New file.
* testsuite/gc_comdat_test_1.cc: New file.
* testsuite/gc_comdat_test_2.cc: New file.
2009-05-19 Doug Kwan <dougkwan@google.com>
* archive.cc (Archive::Archive): Move constructor from archive.h
to here. Initialize no_export_.
(Archive::get_elf_object_for_member): Set no_export flag of object.
* archive.h (Archive::Archive): Move constructor body to
archive.cc.
(Archive::no_export): New method.
(Archive::no_export_): New field.
* object.h (Object::Object): Initialize no_export_ to false.
(Object::no_export, Object::set_no_export): New methods.
(Object::no_export_): New field.
* options.cc (General_options::parse_exclude_libs): New method.
(General_options::check_excluded_libs) Same.
* options.h (exclude_libs): New option.
(General_options::check_excluded_libs): New method declaration.
(General_options::excluded_libs_): New field.
* symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
default or protected visibility if an object has no-export flag set.
testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
(check_SCRIPTS): Add exclude_libs_test.sh.
(check_DATA): Add exclude_libs_test.syms.
(MOSTLYCLEANFILES): Add exclude_libs_test.syms,
libexclude_libs_test_1.a and libexclude_libs_test_2.a.
(exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
(exclude_libs_test.syms, libexclude_libs_test_1.a,
libexclude_libs_test_2.a): New rules.
* testsuite/Makefile.in: Regenerate.
* testsuite/exclude_libs_test.c: New file.
* testsuite/exclude_libs_test.sh: Ditto.
* testsuite/exclude_libs_test_1.c: Ditto.
* testsuite/exclude_libs_test_2.c: Ditto.
2009-05-15 Ian Lance Taylor <iant@google.com>
* configure.ac: Check for declarations for cases where libiberty.h
checks HAVE_DECL_xxx.
* configure, config.in: Rebuild.
2009-05-15 Mikolaj Zalewski <mikolajz@google.com>
* gold.h (Incremental_argument_list): Remove (invalid) forward
declaration.
* incremental.cc (Incremental_inputs::report_achive): New method.
(Incremental_inputs::report_object): New method.
(Incremental_inputs::report_script): New method.
(Incremental_inputs::finalize_inputs): New method.
(Incremental_inputs::finalize): Call finalize_inputs().
(Incremental_inputs::sized_create_incremental_inputs_section_data):
Create inputs entries.
* incremental.h (Incremental_input_type): New enum.
(Incremental_inputs::Incremental_input): Initialize new fields.
(Incremental_inputs::report_inputs): New method.
(Incremental_inputs::report_achive): New method.
(Incremental_inputs::report_object): New method.
(Incremental_inputs::report_script): New method.
(Incremental_inputs::finalize_inputs): New method.
(Incremental_inputs::Input_info): New struct.
(Incremental_inputs::Input_info_map): New typedef.
(Incremental_inputs::lock_): New field.
(Incremental_inputs::Inputs_): New field.
(Incremental_inputs::Inputs_map): New field.
* main.cc (main): Call Incremental_input::report_inputs.
* options.h (Input_argument_list): Typedef moved from
Input_arguments.
(Input_file_group::Files): Remove, use ::Input_argument_list.
(Input_file_group::Input_argument_list): Remove, use
::Input_argument_list.
* plugin.cc (Plugin_manager::add_input_file): Add error in
incremental build.
* read_syms.cc (do_read_syms): Call Incremental_input::report_*
functions.
* script.cc (read_input_script): Call
Incremental_input::report_script.
* script.h (Script_info): New class.
2009-04-27 Ian Lance Taylor <iant@google.com>
* x86_64.cc (do_adjust_output_section): Set entsize to
plt_entry_size.
2009-04-23 Elliott Hughes <enh@google.com>
* output.cc (Output_file::close): After short writes, continue
writing from the correct offset in the buffer being written.
2009-04-23 Chris Demetriou <cgd@google.com>
* configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
* configure: Regenerate.
* config.in: Regenerate.
* gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
2009-04-21 Mikolaj Zalewski <mikolajz@google.com>
* incremental.cc (Incremental_inputs_header_data): Renamed from
Incremental_input_header_data.
(Incremental_inputs_header_data::data_size): New field.
(Incremental_inputs_header_data::put_input_file_count): Renamed
from input_file_count.
(Incremental_inputs_header_data::put_command_line_offset): Renamed
from command_line_offset.
(Incremental_inputs_header_data::put_reserved): Renamed from
put_reserved.
(Incremental_inputs_entry_data): Renamed from
Incremental_input_entry_data.
(Incremental_inputs_entry_data::data_size): New field.
(Incremental_inputs::report_command_line): New method.
(Incremental_inputs::finalize): New method.
(Incremental_inputs::create_incremental_inputs_data): New method.
(Incremental_inputs::sized_create_incremental_inputs_data): New method.
* incremental.h: New file.
* layout.cc (Layout::Layout): Handle new incremental_inputs_.
(Layout::finalize): Create incremental inputs section in
incremental builds.
(Layout::create_incremental_info_sections): New method.
* layout.h (Layout::incremental_inputs): New method.
(Layout::create_incremental_info_sections): New method.
(Layout::incremental_inputs_): New field.
* main.cc (main): Notify Incremental_input of the command line.
2009-04-01 Ian Lance Taylor <iant@google.com>
Mikolaj Zalewski <mikolajz@google.com>
* gold.h (reserve_unordered_map): Define, three versions, one for
each version of Unordered_map.
* layout.cc (Layout::Layout): Remove options parameter. Add
number_of_input_files parameter. Don't initialize options_.
Initialize number_of_input_files_ and resized_signatures_. Move
sections_are_attached_.
(Layout::layout_group): Reserve space for group_signatures_.
(Layout::find_or_add_kept_section): Change name parameter to be a
reference. Resize signatures_ map when it gets large enough.
(Layout::layout_eh_frame): Use parameters->options() instead of
this->options_.
(Layout::make_output_section): Likewise.
(Layout::attach_allocated_section_to_segment): Likewise.
(Layout::finalize, Layout::create_executable_stack): Likewise.
(Layout::set_segment_offsets, Layout::create_interp): Likewise.
(Layout::finish_dynamic_section, Layout::write_binary): Likewise.
* layout.h (class Layout): Update declarations. Remove options_
field. Add number_of_input_files_ and resized_signatures_
fields. Move sections_are_attached_ field.
* main.cc (main): Pass number of input files to Layout
constructor. Don't pass options.
2009-03-30 Ian Lance Taylor <iant@google.com>
* ffsll.c (ffsll): Correct implementation.
2009-03-27 Ian Lance Taylor <iant@google.com>
* ffsll.c: New file.
* configure.ac: Call AC_REPLACE_FUNCS on ffsll.
* gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
* ftruncate.c (ftruncate): Declare before definition.
* mremap.c (mremap): Likewise.
* pread.c (pread): Likewise.
* configure, Makefile.in, config.in: Rebuild.
* mremap.c: New file.
* configure.ac: Call AC_REPLACE_FUNCS on mremap.
* gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
(mremap): Declare if HAVE_MREMAP is not defined.
* configure, Makefile.in, config.in: Rebuild.
2009-03-27 Cary Coutant <ccoutant@google.com>
* powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
position independent.
* sparc.cc (Target_sparc::check_non_pic): Likewise.
* x86_64.cc (Target_x86_64::check_non_pic): Likewise.
2009-03-24 Cary Coutant <ccoutant@google.com>
* symtab.h (needs_plt_entry): Check for unsatisfied reference from
an executable.
(needs_dynamic_reloc): Likewise.
2009-03-24 Ian Lance Taylor <iant@google.com>
* yyscript.y (file_cmd): Recognize EXTERN.
(extern_name_list, extern_name_list_body): New nonterminals.
* script.cc (script_add_extern): Define.
* script-c.h (script_add_extern): Declare.
2009-03-24 Rafael Avila de Espindola <espindola@google.com>
* object.cc (is_elf_object): Define.
* object.h (is_elf_object): Declare.
* archive.cc (Archive::get_elf_object_for_member): Call
is_elf_object.
* readsyms.cc (Read_symbols::do_read_symbols): Likewise.
2009-03-24 Elliott Hughes <enh@google.com>
* output.cc (Output_file::map_anonymous): Define.
(Output_file::map): Use map_anonymous. If the regular mmap fails,
try an anonymous one. Report the size if the mmap fails.
* output.h (class Output_file): Declare map_anonymous.
2009-03-24 Ian Lance Taylor <iant@google.com>
* target-select.cc (instantiate_target): Don't acquire the lock if
the instantiated_target_ field has already been set.
2009-03-23 Ian Lance Taylor <iant@google.com>
* gold-threads.h (class Initialize_lock): Define.
* gold-threads.cc (class Initialize_lock_once): Define.
(initialize_lock_control): New static variable.
(initialize_lock_pointer): New static variable.
(initialize_lock_once): New static function.
(Initialize_lock::Initialize_lock): Define.
(Initialize_lock::initialize): Define.
* target-select.h: Include "gold-threads.h".
(class Target_selector): Add lock_ and initialize_lock_ fields.
Don't define instantiate_target, just declare it.
* target-select.cc (Target_selector::Target_selector): Initialize
new fields.
(Target_selector::instantiate_target): Define.
* descriptors.h: Include "gold-threads.h".
(class Descriptors): Add initialize_lock_ field.
* descriptors.cc (Descriptors::Descriptors): Initialize new
field.
(Descriptors::open): Use initialize_lock_ field
* errors.h (class Errors): Add initialize_lock_ field.
* errors.cc (Errors::Errors): Initialize new field.
(Errors::initialize_lock): Use initialize_lock_ field.
* powerpc.cc (class Target_selector_powerpc): Remove
instantiated_target_ field. In do_recognize call
instantiate_target rather than do_instantiate_target. In
do_instantiate_target just allocate a new target.
* sparc.cc (class Target_selector_sparc): Likewise.
* freebsd.h: New file.
* i386.cc: Include "freebsd.h".
(Target_i386): Derive from Target_freebsd rather than
Sized_target.
(Target_selector_i386): Derive from Target_selector_freebsd rather
than Target_selector.
* x86_64.cc: Include "freebsd.h".
(Target_x86_64): Derive from Target_freebsd rather than
Sized_target.
(Target_selector_x86_64): Derive from Target_selector_freebsd
rather than Target_selector.
* target.h (class Target): Add adjust_elf_header and
do_adjust_elf_header.
* output.cc (Output_file_header:: do_sized_write): Call target
adjust_elf_header routine.
* configure.tgt: Set targ_osabi.
* configure.ac: Define GOLD_DEFAULT_OSABI.
* parameters.cc (Parameters::default_target): Pass
GOLD_DEFAULT_OSABI to select_target.
* target-select.h (class Target_selector): Make instantiate_target
protected rather than private.
* Makefile.am (HFILES): Add freebsd.h.
* configure, Makefile.in, config.in: Rebuild.
* merge.cc (do_add_input_section): Correct pend value. Change
message about last entry not being null terminated from error to
warning.
2009-03-20 Mikolaj Zalewski <mikolajz@google.com>
* incremental.cc: New file.
* Makefile.am (CCFILES): Add incremental.cc.
* Makefile.in: Rebuild.
2009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
* layout.cc (Layout::output_section_name): Preserve names
of '.note.' sections.
2009-03-19 Ian Lance Taylor <iant@google.com>
* descriptors.cc (Descriptors::open): Check that the options are
valid before using them.
2009-03-18 Ian Lance Taylor <iant@google.com>
* script-sections.h: Include <list>.
(class Script_sections): Change Sections_elements from std::vector
to std::list. Typedef public Elements_iterator. Add
orphan_section_placement_, data_segment_align_start_, and
saw_data_segment_align_ fields. Remove data_segment_align_index_
field.
* script-sections.cc (class Orphan_section_placement): New class.
(class Sections_element): Add virtual functions is_relro and
orphan_section_init. Remove virtual function place_orphan_here.
(class Output_section_definition): Add is_relro and
orphan_section_init. Remove place_orphan_here.
(class Orphan_output_section): Likewise.
(Script_sections::Script_sections): Update for field changes.
(Script_sections::data_segment_align): Set saw_data_segment_align_
and data_segment_align_start_, not data_segment_align_index.
(Script_sections::data_segment_relro_end): Check
saw_data_segment_align_. Use data_segment_align_start_ rather
than data_segment_align_index_.
(Script_sections::place_orphan): Rewrite to use
Orphan_section_placement.
2009-03-17 Ian Lance Taylor <iant@google.com>
* archive.cc (Archive::add_symbols): Check for a version attached
to the symbol name in the archive map.
* testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
(ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
(ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
(ver_test_11.a): New target.
* testsuite/Makefile.in: Rebuild.
* configure.ac: Check for chsize and posix_fallocate. Replace
ftruncate.
* ftruncate.c: New file, from gnulib.
* output.cc (posix_fallocate): Define dummy version if not
HAVE_POSIX_FALLOCATE.
(Output_file::map): Call posix_fallocate rather than lseek and
write.
* gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
* configure, Makefile.in, config.in: Rebuild.
2009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
* layout.h (Layout::create_note): Add section_name parameter.
* layout.cc (Layout::create_note): Likewise.
(Layout::create_build_id, Layout::create_gold_note): Fix callers.
2009-03-17 Ian Lance Taylor <iant@google.com>
* descriptors.cc: Include "options.h".
(FD_CLOEXEC, O_CLOEXEC): Define if not defined.
(Descriptors::open): Always use O_CLOEXEC when opening a new
descriptor. If we have a plugin, and O_CLOEXEC was not defined,
then set FD_CLOEXEC.
* sparc.cc (class Target_sparc): Add has_got_section.
(Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
make sure we have a GOT section.
* sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
(Target_sparc::Scan::local): Likewise.
(Target_sparc::Scan::global): Likewise.
(Target_sparc::Relocate::relocate): Likewise.
(Target_sparc::Relocate::relocate_tls): Likewise.
* symtab.cc (Symbol_table::define_default_version): New function,
broken out of add_from_object.
(Symbol_table::add_from_object): Call define_default_version.
(Symbol_table::define_special_symbol): Add resolve_oldsym
parameter. Change all callers. If the version for a symbol comes
from a version script, resolve it with the symbol with the same
name with no version. Also add the symbol without a version if
appropriate.
(do_define_in_output_data): If resolving with oldsym, don't delete
sym.
(do_define_in_output_segment): Likewise.
(do_define_as_constant): Likewise.
* symtab.h (class Symbol_table): Update declarations.
2009-03-13 Ian Lance Taylor <iant@google.com>
* readsyms.cc (Read_symbols::incompatible_warning): New function.
(Read_symbols::requeue): New function.
(Read_symbols::do_read_symbols): If make_elf_object fails because
the target type is not configured, and the file was searched for,
issue a warning and retry with the next directory.
(Add_symbols::run): If the file has an incompatible format, and
it was searched for, requeue the Read_symbols task. On error,
release the object.
* readsyms.h (class Read_symbols): Add dirindex_ field. Add
dirindex parameter to constructor. Change all callers. Declare
incompatible_warning and requeue.
(class Add_symbols): Add dirpath_, dirindex_, mapfile_,
input_argument_ and input_group_ fields. Add them to
constructor. Change all callers.
(class Read_script): Add dirindex_ field. Add it to constructor.
Change all callers.
* archive.cc (Archive::setup): Remove input_objects parameter.
Change all callers.
(Archive::get_file_and_offset): Likewise.
(Archive::read_all_symbols): Likewise.
(Archive::read_symbols): Likewise.
(Archive::get_elf_object_for_member): Remove input_objects
parameter. Add punconfigured parameter. Change all callers.
(Archive::add_symbols): Change return type to bool. Check return
value of include_member.
(Archive::include_all_members): Likewise.
(Archive::include_member): Change return type to bool. Return
false if first included object has incompatible target. Set
included_member_ field.
(Add_archive_symbols::run): If add_symbols returns false, requeue
Read_symbols task.
* archive.h (class Archive): Add included_member_ field.
Initialize it in constructor. Add input_file and searched_for
methods. Update declarations.
(class Add_archive_symbols): Add dirpath_, dirindex_, and
input_argument_ fields. Add them to constructor. Change all
callers.
* script.cc: Include "target-select.h".
(class Parser_closure): Add skip_on_incompatible_target_ and
found_incompatible_target_ fields. Add
skip_on_incompatible_target parameter to constructor. Change all
callers. Add methods skip_on_incompatible_target,
clear_skip_on_incompatible_target, found_incompatible_target, and
set_found_incompatible_target.
(read_input_script): Add dirindex parameter. Change all callers.
If parser finds an incompatible target, requeue Read_symbols
task.
(script_set_symbol): Clear skip_on_incompatible_target in
closure.
(script_add_assertion, script_parse_option): Likewise.
(script_start_sections, script_add_phdr): Likewise.
(script_check_output_format): New function.
* script.h (read_input_script): Update declaration.
* script-c.h (script_check_output_format): Declare.
* yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
(ignore_cmd): Remove OUTPUT_FORMAT.
* fileread.cc (Input_file::Input_file): Add explicit this.
(Input_file::will_search_for): New function.
(Input_file::open): Add pindex parameter. Change all callers.
* fileread.h (class Input_file): Add input_file_argument method.
Declare will_search_for. Update declarations.
* object.cc (make_elf_object): Add punconfigured parameter.
Change all callers.
* object.h (class Object): Make input_file public. Add
searched_for method.
(make_elf_object): Update declaration.
* dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
restart search.
* dirsearch.h (class Dirsearch): Update declaration.
* options.h (class General_options): Add --warn-search-mismatch.
* parameters.cc (Parameters::is_compatible_target): New function.
* parameters.h (class Parameters): Declare is_compatible_target.
* workqueue.cc (Workqueue::add_blocker): New function.
* workqueue.h (class Workqueue): Declare add_blocker.
* fileread.cc (Input_file::open): Remove options parameter.
Change all callers.
(Input_file::open_binary): Likewise.
* script.cc (read_input_script): Likewise.
* readsyms.h (class Read_symbols): Remove options_ field. Remove
options parameter from constructor. Change all callers.
(class Read_script): Likewise.
* fileread.h (class Input_file): Update declarations.
* script.h (read_input_script): Update declaration.
2009-03-10 Nick Clifton <nickc@redhat.com>
* po/es.po: New Spanish translation.
2009-03-06 Cary Coutant <ccoutant@google.com>
* options.cc (parse_short_option): Keep dash_z from registering itself.
2009-03-03 Ian Lance Taylor <iant@google.com>
PR 9918
* target-reloc.h (relocate_section): Pass output_section to
relocate.
* i386.cc (Target_i386::should_apply_static_reloc): Add
output_section parameter. Change all callers.
(Target_i386::Relocate::relocate): Add output_section parameter.
* x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
* sparc.cc (Target_sparc::Relocate::relocate): Likewise.
* powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
* testsuite/two_file_shared.sh: New script.
* testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
(check_DATA): Add two_file_shared.dbg.
(two_file_shared.dbg): New target.
* testsuite/Makefile.in: Rebuild.
2009-03-01 Ian Lance Taylor <iant@google.com>
* configure.ac: Check for byteswap.h.
* configure: Rebuild.
* config.in: Rebuild.
2009-03-01 Mikolaj Zalewski <mikolajz@google.com>
* layout.cc (Layout::find_or_add_kept_section): New function.
(Layout::add_comdat): Removed.
* layout.h (struct Kept_section): Move out of class Layout.
Remove trailing underscores from field names. Add group_sections
field. Rename group_ field to is_group. Change all uses.
(class Layout): Declare find_or_add_kept_section, not add_comdat.
* object.cc (Sized_relobj::Sized_relobj): Don't initialize
comdat_groups_ field.
(Sized_relobj::include_section_group): Use
find_or_add_kept_section and Kept_section::group_sections.
(Sized_relobj::include_linkonce_section): Likewise.
* object.cc (class Sized_relobj): Don't define Comdat_group or
Comdat_group_table. Remove find_comdat_group and
add_comdat_group. Remove comdat_groups_ field.
* plugin.cc (include_comdat_group): Use
Layout::find_or_add_kept_section.
2009-02-28 Ian Lance Taylor <iant@google.com>
* README: --gc-sections and map files are now supported. Document
some build requirements.
PR 6992
* symtab.cc (Symbol_table::sized_write_section_symbol): In a
relocatable link set the value of the section symbol to zero.
* object.cc (Sized_relobj::do_finalize_local_symbols): In a
relocatable link don't include the section address in the local
symbol value.
2009-02-27 Ian Lance Taylor <iant@google.com>
PR 6811
* options.h (class Search_directory): Add is_system_directory.
(class General_options): Declare is_in_system_directory.
* options.cc (get_relative_sysroot): Make static.
(get_default_sysroot): Make static.
(General_optoins::is_in_system_directory): New function.
* fileread.cc (Input_file::is_in_system_directory): New function.
* fileread.h (class Input_file): Declare is_in_system_directory.
* object.h (class Object): Add is_in_system_directory.
(class Input_objects): Remove system_library_directory_ field.
* object.cc (Input_objects::add_object): Don't set
system_library_directory_.
(input_objects::found_in_system_library_directory): Remove.
* symtab.cc (Symbol_table::write_globals): Remove input_objects
parameter. Change all callers.
(Symbol_table::sized_write_globals): Likewise.
(Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
Call Object::is_in_system_directory.
* symtab.h (class Symbol_table): Update declarations.
PR 5990
* descriptors.h (Open_descriptor): Add is_on_stack field.
* descriptors.cc (Descriptors::open): If the descriptor is on the
top of the stack, remove it. Initialize is_on_stack field.
(Descriptors::release): Only add pod to stack if it is not on the
stack already.
(Descriptors::close_some_descriptor): Clear stack_next and
is_on_stack fields.
PR 7091
* output.cc (Output_section::find_starting_output_address): Rename
from starting_output_address; add PADDR parameter; change return
type.
* output.h (class Output_section): Declare
find_starting_output_address instead of starting_output_address.
* object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
section symbol for which we can't find a merge section.
PR 9836
* symtab.cc (Symbol_table::add_from_object): If the visibility is
hidden or internal, force the symbol to be local.
* resolve.cc (Symbol::override_visibility): Define.
(Symbol::override_base): Use override_visibility.
(Symbol_table::resolve): Likewise.
(Symbol::override_base_with_special): Likewise.
(Symbol_table::override_with_special): If the visibility is hidden
or internal, force the symbol to be local.
* symtab.h (class Symbol): Add set_visibility and
override_visibility.
* testsuite/ver_test_1.sh: New file.
* testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
(check_DATA): Add ver_test_1.syms.
(ver_test_1.syms): New target.
* testsuite/Makefile.in: Rebuild.
2009-02-25 Cary Coutant <ccoutant@google.com>
* layout.cc (Layout::choose_output_section): Don't rename sections
when using a linker script that has a SECTIONS clause.
* Makefile.in: Regenerate.
* testsuite/Makefile.am (script_test_5.sh): New test case.
* testsuite/Makefile.in: Regenerate.
* testsuite/script_test_5.cc: New file.
* testsuite/script_test_5.sh: New file.
* testsuite/script_test_5.t: New file.
2009-02-13 Rafael Avila de Espindola <espindola@google.com>
* archive.cc (Archive::include_member): Update calls to add_symbols.
* dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
the Layout argument.
* dynobj.h (do_add_symbols): Add the Layout argument.
* object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
Layout argument.
* object.h (Object::add_symbols): Add the Layout argument.
(Object::do_add_symbols): Add the Layout argument.
(Sized_relobj::do_add_symbols): Add the Layout argument.
* plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
Unify the two versions.
(Add_plugin_symbols): Remove.
* plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
(Sized_pluginobj::do_add_symbols): Unify the two versions.
(Add_plugin_symbols): Remove.
* readsyms.cc (Read_symbols::do_read_symbols): Update call to
Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
(Add_symbols::run): Make it work with Pulginobj.
2009-02-06 Ian Lance Taylor <iant@google.com>
* object.cc (Sized_relobj::do_layout): Make info message start
with lower case letter.
2009-02-06 Mikolaj Zalewski <mikolajz@google.com>
* binary.cc: Fix file comment.
* options.h (enum Incremental_disposition): Define.
(class General_options): Add new options: --incremental,
--incremental_changed, --incremental_unchanged,
--incremental_unknown. Add incremental_disposition_ and
implicit_incremental_ fields.
(General_options::incremental_disposition): New function.
(class Position_dependent_options): Add incremental_disposition
option.
(Position_dependent_options::copy_from_options): Set incremental
dispositions.
* options.cc (General_options::parse_incremental_changed): New
function.
(General_options::parse_incremental_unchanged): New function.
(General_options::parse_incremental_unknown): New function.
(General_options::General_options): Initialize new fields
incremental_disposition_ and implicit_incremental_.
(General_options::finalize): Check for uasge of --incremental-*
without --incremental.
2009-02-06 Chris Demetriou <cgd@google.com>
* gold.h (gold_undefined_symbol): Change to take only a Symbol
pointer and to report location as the file name associated with
the symbol.
(gold_undefined_symbol_at_location): New function to replace the
old gold_undefined_symbol functionality.
* target-reloc.h (relocate_section): Update to use
gold_undefined_symbol_at_location.
* symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
Call gold_undefined_symbol function rather than gold_error.
* errors.h (Errors::undefined_symbol): Take location as a
string, rather than calculating it from a relocation.
* errors.cc (Errors::fatal): Print "fatal error:" before the
formatted message.
(Errors::error, Errors::error_at_location): Print "error: "
before the formatted message.
(Errors::undefined_symbol): Take location as a string, rather
than calculating it from a relocation.
(gold_undefined_symbol_at_location): New function akin to
old gold_undefined_symbol, calculates location from relocation.
(gold_undefined_symbol): Change to take only a Symbol pointer
and to report location as the file name associated with the symbol.
* testsuite/debug_msg.sh: Update for changed error messages.
* testsuite/undef_symbol.sh: Likewise.
2009-02-04 Duncan Sands <baldrick@free.fr>
PR 9812
* reduced_debug_output.h
(Output_reduced_debug_abbrev_section::failed): Use format for
gold_warning.
(Output_reduced_debug_info_section::faild): Likewise.
2009-01-31 Mikolaj Zalewski <mikolajz@google.com>
* script.cc (Lazy_demangler): New class.
(Version_script_info::get_symbol_version_helper): Demangle a
symbol only once.
2009-01-29 Cary Coutant <ccoutant@google.com>
* i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
to __tls_get_addr.
* x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2009-01-28 Ian Lance Taylor <iant@google.com>
* version.cc (version_string): Bump to 1.9.
* gold.h: Include <cstring> and <stdint.h>.
* version.cc: Include <cstdio>.
* object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
warning.
* reduced_debug_output.cc (insert_into_vector): Rename from
Insert_into_vector; change all callers. Use Swap_unaligned to
avoid aliasing issue; remove union since it is unnecessary.
2009-01-27 Sriraman Tallam <tmsriram@google.com>
* Makefile.am (CCFILES): Add gc.cc.
(HFILES): Add gc.h.
* Makefile.in: Regenerate.
* gold.cc (Gc_runner): New class.
(queue_initial_tasks): Call garbage collection related tasks
when corresponding options are invoked.
(queue_middle_gc_tasks): New function.
(queue_middle_tasks): Reorder tasks to allow relocs to be read and
processed early before laying out sections during garbage collection.
* gold.h (queue_middle_gc_tasks): New function.
(is_prefix_of): Move from "layout.cc".
* i386.cc (Target_i386::gc_process_relocs): New function.
* layout.cc (is_prefix_of): Remove. Move to "gold.h"
* main.cc (main): Create object of class "Garbage_collection".
* object.cc (Relobj::copy_symbols_data): New function.
(Relobj::is_section_name_included): New function.
(Sized_relobj::do_layout): Allow this function to be called twice
during garbage collection and defer layout of section during the
first call.
* object.h (Relobj::get_symbols_data): New function.
(Relobj::is_section_name_included): New function.
(Relobj::copy_symbols_data): New function.
(Relobj::set_symbols_data): New function.
(Relobj::get_relocs_data): New function.
(Relobj::set_relocs_data): New function.
(Relobj::is_output_section_offset_invalid): New pure virtual function.
(Relobj::gc_process_relocs): New function.
(Relobj::do_gc_process_relocs): New pure virtual function.
(Relobj::sd_): New data member.
(Sized_relobj::is_output_section_offset_invalid): New function.
(Sized_relobj::do_gc_process_relocs): New function.
* options.h (General_options::gc_sections): Modify to not be a no-op.
(General_options::print_gc_sections): New option.
* plugin.cc (Plugin_finish::run): Remove function call to
Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
* powerpc.cc (Target_powerpc::gc_process_relocs): New function.
* reloc.cc (Read_relocs::run): Add task to process relocs and
determine unreferenced sections when doing garbage collection.
(Gc_process_relocs): New class.
(Sized_relobj::do_gc_process_relocs): New function.
(Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
sections that are garbage collected.
* reloc.h (Gc_process_relocs): New class.
* sparc.cc (Target_sparc::gc_process_relocs): New function.
* symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
symbols whose corresponding sections are garbage collected.
(Symbol_table::Symbol_table): Add new parameter for the garbage
collection object.
(Symbol_table::gc_mark_undef_symbols): New function.
(Symbol_table::gc_mark_symbol_for_shlib): New function.
(Symbol_table::gc_mark_dyn_syms): New function.
(Symbol_table::resolve): Do not treat symbols seen in dynamic objects
as garbage.
(Symbol_table::add_from_object): Likewise.
(Symbol_table::add_from_relobj): When building shared objects, do not
treat externally visible symbols as garbage.
(Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
table information for static and relocatable links.
* symtab.h (Symbol_table::set_gc): New function.
(Symbol_table::gc): New function.
(Symbol_table::gc_mark_undef_symbols): New function.
(Symbol_table::gc_mark_symbol_for_shlib): New function.
(Symbol_table::gc_mark_dyn_syms): New function.
(Symbol_table::gc_): New data member.
* target.h (Sized_target::gc_process_relocs): New pure virtual
function.
* x86_64.cc (Target_x86_64::gc_process_relocs): New function.
* testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
2009-01-20 Chris Faylor <me.sourceware@sourceware.org>
* options.h (General_options::gc_sections): Define as a no-op for now.
(General_options::no_keep_memory): Ditto.
(General_options::Bshareable): Define.
* options.cc (General_options::finalize): Honor -Bshareable.
2009-01-20 Andreas Schwab <schwab@suse.de>
* powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
read the value in the contents, since we don't use it. Use the
template endianness when writing.
(Relocate::relocate): Use it for R_PPC_REL16_HA.
2009-01-19 Andreas Schwab <schwab@suse.de>
* configure.tgt (powerpc64-*): Fix targ_obj.
2009-01-15 Ian Lance Taylor <iant@google.com>
* object.cc (Sized_relobj::write_local_symbols): Don't write out
local symbols when stripping all symbols.
2009-01-14 Cary Coutant <ccoutant@google.com>
* output.cc (Output_reloc): Add explicit instantiations.
2009-01-14 Cary Coutant <ccoutant@google.com>
* archive.cc (Archive::get_elf_object_for_member): Remove call
to File_read::claim_for_plugin.
* descriptors.cc (Descriptors::open): Remove reference to
is_claimed.
(Descriptors::claim_for_plugin): Remove.
* descriptors.h (Descriptors::claim_for_plugin): Remove.
(Descriptors::is_claimed): Remove.
(claim_descriptor_for_plugin): Remove.
* fileread.cc (File_read::claim_for_plugin): Remove.
* fileread.h (File_read::claim_for_plugin): Remove.
(File_read::descriptor): Reopen descriptor if necessary.
* plugin.cc (Plugin::load): Add two new APIs to transfer vector.
(Plugin_manager::all_symbols_read): Add task parameter. Change
all callers.
(Plugin_manager::get_input_file): New function.
(Plugin_manager::release_input_file): New function.
(Pluginobj::Pluginobj): Add filesize parameter and initialize
corresponding data member.
(Sized_pluginobj::Sized_pluginobj): Add filesize parameter
and pass to base constructor. Change all callers.
(get_input_file, release_input_file): New functions.
(make_sized_plugin_object): Add filesize parameter. Change all callers.
* plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
(Plugin_manager::all_symbols_read): Add task parameter.
(Plugin_manager::get_input_file): New function.
(Plugin_manager::release_input_file): New function.
(Plugin_manager::task_): New data member.
(Pluginobj::Pluginobj): Add filesize parameter.
(Pluginobj::filename): New function.
(Pluginobj::descriptor): New function.
(Pluginobj::filesize): New function.
(Pluginobj::filesize_): New data member.
(Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
* readsyms.cc (Read_symbols::do_read_symbols): Remove call to
File_read::claim_for_plugin; use Object::unlock to unlock the file.
* testsuite/Makefile.am (plugin_test_4): New test case for plugins
with archive libraries.
* testsuite/Makefile.in: Regenerate.
* testsuite/plugin_test.c (struct sym_info): New type.
(get_input_file, release_input_file): New static variables.
(onload): Capture new transfer vector entries.
(claim_file_hook): Stop reading at end of file according to filesize.
Factor out parsing of readelf output into separate function.
(all_symbols_read_hook): Exercise get_input_file and release_input_file
APIs and get the source file name from the symbol table. Convert
source file name to corresponding object file name. Print info
message when adding new input files.
(parse_readelf_line): New function.
* testsuite/plugin_test_1.sh: Add checks for new info messages.
* testsuite/plugin_test_2.sh: Likewise.
* testsuite/plugin_test_3.sh: Likewise.
* testsuite/plugin_test_4.sh: New test case.
2009-01-07 Ian Lance Taylor <iant@google.com>
* version.cc (version_string): Bump to 1.8.
2008-12-23 Cary Coutant <ccoutant@google.com>
* gold.cc (gold_exit): Call plugin cleanup handlers on exit.
* plugin.cc (Plugin_manager::finish): Rename as
layout_deferred_objects. Move cleanup to separate function.
(Plugin_manager::cleanup): New function.
(Plugin_finish::run): Call layout_deferred_objects and cleanup
separately.
* plugin.h (Plugin_manager::finish): Rename as
layout_deferred_objects.
(Plugin_manager::cleanup): New function.
(Plugin_manager::cleanup_done): New field.
2008-12-23 Cary Coutant <ccoutant@google.com>
* plugin.cc (is_visible_from_outside): New function.
(Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
so we don't return "IR only" status for exported symbols or -r links.
* testsuite/Makefile.am (plugin_test_3): New test case.
* testsuite/Makefile.in: Regenerate.
* testsuite/plugin_test_3.sh: New file.
2008-12-22 Cary Coutant <ccoutant@google.com>
* object.cc (Sized_relobj::layout_section): New function.
(Sized_relobj::do_layout): Defer layout of input sections until after
plugin has provided replacement files.
(Sized_relobj::do_layout_deferred_sections): New function.
* object.h (Relobj::set_section_offset): Remove virtual keyword.
(Relobj::layout_deferred_sections): New function.
(Relobj::do_layout_deferred_sections): New function.
(Sized_relobj::do_layout_deferred_sections): New function.
(Sized_relobj::layout_section): New function.
(Sized_relobj::Deferred_layout): New structure.
(Sized_relobj::deferred_layout_): New field.
* plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
Change all callers. Layout deferred sections.
(class Plugin_finish): Renamed, was Plugin_cleanup. Change all
references.
(Plugin_hook::run): Move code from do_plugin_hook inline.
(Plugin_hook::do_plugin_hook): Remove.
* plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
(Plugin_manager::finish): Renamed, was cleanup.
(Plugin_manager::should_defer_layout): New function.
(Plugin_manager::add_deferred_layout_object): New function.
(Plugin_manager::Deferred_layout_list): New type.
(Plugin_manager::deferred_layout_objects_): New field.
(Plugin_hook::do_plugin_hook): Remove.
2008-12-17 Ian Lance Taylor <iant@google.com>
* options.h (class General_options): Add --no case for
--export-dynamic.
2008-12-16 Cary Coutant <ccoutant@google.com>
* plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
vector.
(Plugin_manager::claim_file): Create plugin object even if
plugin did not call the add_symbols callback.
(Plugin_obj::get_symbol_resolution_info): Guard against plugin
asking for more symbols than were added.
* testsuite/Makefile.am (plugin_test_1): Add test case with
no global symbols.
(empty.syms): New target.
* testsuite/Makefile.in: Regenerate.
* testsuite/plugin_test.c (claim_file_hook): Add new debug
message. Don't call add_symbols if no globals.
(all_symbols_read_hook): Don't provide replacement for empty
claimed file.
2008-12-12 Ian Lance Taylor <iant@google.com>
* target-reloc.h (Default_scan_relocatable_relocs): Only discard
r_type == 0 for a local symbol with r_sym == 0.
(scan_relocatable_relocs): Pass r_sym to
local_non_section_strategy.
* reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
r_sym parameter.
* configure.ac: Update test for TLS descriptors: they are
supported as of glibc 2.9.
* configure: Rebuild.
2008-12-11 Ian Lance Taylor <iant@google.com>
PR 7091
* target-reloc.h (Default_scan_relocatable_relocs): For each
function, map r_type == 0 to RELOC_DISCARD.
2008-12-10 Cary Coutant <ccoutant@google.com>
* layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
object to override a kept COMDAT group from a plugin object.
2008-12-09 Ian Lance Taylor <iant@google.com>
PR 7088
* yyscript.y (file_cmd): Handle INPUT.
* testsuite/initpri1.c: Change all declarations to be full
prototypes by adding void, to avoid compiler warnings.
2008-12-05 Rafael Avila de Espindola <espindola@google.com>
* options.cc (General_options::parse_plugin_opt): New.
(General_options::add_plugin): The argument now is just the filename.
(General_options::add_plugin_option): New.
* options.h (plugin_opt): New.
(add_plugin): Change argument name.
(add_plugin_option): New.
* plugin.cc (Plugin::load): Don't parse the plugin option.
* plugin.h (Plugin::Plugin): Rename argument. Init filename_.
(Plugin::add_option): New.
(Plugin::args_): Change type.
(Plugin::filename_): New.
(Plugin_manager::add_plugin_option): New.
* testsuite/Makefile.am (plugin_test_1): Use new syntax.
* testsuite/Makefile.in: Regenerate.
2008-12-05 Cary Coutant <ccoutant@google.com>
* layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
Handle --strip-lto-sections option.
* options.h (strip_lto_sections): New option.
2008-12-01 Cary Coutant <ccoutant@google.com>
* plugin.cc (ld_plugin_message): Change format parameter to const.
Fix mismatch between new[] and delete.
2008-11-14 Cary Coutant <ccoutant@google.com>
* reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
instead of -1U.
2008-11-05 Craig Silverstein <csilvers@google.com>
* options.cc (General_options::parse_dynamic_list): New function.
* options.h (General_options): New flags dynamic_list,
dynamic_list_data, dynamic_list_cpp_new, and
dynamic_list_cpp_typeinfo. New variable dynamic_list_.
(General_options::in_dynamic_list): New function.
* script.cc (Lex::Mode): New enum DYNAMIC_LIST.
(Lex::can_start_name): Add support for DYNAMIC_LIST mode.
(Lex::can_continue_name): Likewise.
(yylex): Likewise.
(read_script_file): New parameter script_options.
(read_dynamic_list): New function.
(Script_options::define_dynamic_list): New function.
(dynamic_list_keyword_parsecodes): New variable.
(dynamic_list_keywords): New variable.
* script.h (Script_options::define_dynamic_list): New function
prototype.
(read_dynamic_list): New function prototype.
* symtab.cc (strprefix): New macro.
(Symbol::should_add_dynsym_entry): Support dynamic_list,
dynamic_list_data, dynamic_list_cpp_new, and
dynamic_list_cpp_typeinfo.
* yyscript.y (PARSING_DYNAMIC_LIST): New token.
(dynamic_list_expr): New rule.
(dynamic_list_nodes): Likewise.
(dynamic_list_node): Likewise.
* testsuite/Makefile.am (dynamic_list): New test.
* testsuite/Makefile.in: Regenerated.
* testsuite/dynamic_list.t: New file.
* testsuite/dynamic_list.sh: New file.
2008-11-05 Craig Silverstein <csilvers@google.com>
* testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
* testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
(t11_last): Likewise.
* testsuite/ver_test_6.c (main): Likewise.
2008-10-07 Cary Coutant <ccoutant@google.com>
* options.c (General_options::finalize): Add check for -static and
-shared.
* gold.cc (queue_middle_tasks): Assert that list of dynamic objects
is not empty.
2008-10-02 Cary Coutant <ccoutant@google.com>
* plugin.cc (make_sized_plugin_object): Fix conditional
compilation to work when not all targets are enabled.
2008-09-29 Cary Coutant <ccoutant@google.com>
* archive.cc (Archive::get_file_and_offset): Use filename instead
of name to get library path.
(Archive::include_member): Unlock external member of a thin archive.
* testsuite/Makefile.am (TEST_AR): New variable.
(thin_archive_test_1): New test.
(thin_archive_test_2): New test.
* testsuite/Makefile.in: Regenerate.
* testsuite/thin_archive_main.cc: New file.
* testsuite/thin_archive_test_1.cc: New file.
* testsuite/thin_archive_test_2.cc: New file.
* testsuite/thin_archive_test_3.cc: New file.
* testsuite/thin_archive_test_4.cc: New file.
2008-09-29 Cary Coutant <ccoutant@google.com>
* mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
* object.cc (Sized_relobj::do_layout): Use constant invalid_address
instead of -1U.
(Sized_relobj::do_finalize_local_symbols): Likewise.
(Sized_relobj::map_to_kept_section): Likewise.
* object.h (Sized_relobj::invalid_address): New constant.
(Sized_relobj::do_output_section_offset): Check for invalid_address
and return -1ULL.
* output.cc (Output_reloc::local_section_offset): Use constant
invalid_address instead of -1U.
(Output_reloc::get_address): Likewise.
(Output_section::output_address): Change -1U to -1ULL.
* output.h (Output_reloc::invalid_address): New constant.
* reloc.cc (Sized_relobj::write_sections): Use constant
invalid_address instead of -1U.
(Sized_relobj::relocate_sections): Likewise.
* symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
values for merge sections.
* target-reloc.h (relocate_for_relocatable): Use constant
invalid_address instead of -1U.
2008-09-19 Cary Coutant <ccoutant@google.com>
Add plugin functionality for link-time optimization (LTO).
* configure.ac (plugins): Add --enable-plugins option.
* configure: Regenerate.
* config.in: Regenerate.
* Makefile.am (LIBDL): New variable.
(CCFILES): Add plugin.cc.
(HFILES): Add plugin.h.
(ldadd_var): Add LIBDL.
* Makefile.in: Regenerate.
* archive.cc: Include "plugin.h".
(Archive::setup): Don't preread archive symbols when using a plugin.
(Archive::get_file_and_offset): Add memsize parameter. Change callers.
(Archive::get_elf_object_for_member): Call plugin hooks for claiming
files.
(Archive::include_member): Add symbols from plugin objects.
* archive.h (Archive::get_file_and_offset): Add memsize parameter.
* descriptors.cc (Descriptors::open): Check for file descriptors
abandoned by plugins.
(Descriptors::claim_for_plugin): New function.
* descriptors.h (Descriptors::claim_for_plugin): New function.
(Open_descriptor::is_claimed): New field.
(claim_descriptor_for_plugin): New function.
* fileread.cc (File_read::claim_for_plugin): New function.
* fileread.h (File_read::claim_for_plugin): New function.
(File_read::descriptor): New function.
* gold.cc: Include "plugin.h".
(queue_initial_tasks): Add task to call plugin hooks for generating
new object files.
* main.cc: Include "plugin.h".
(main): Load plugin libraries.
* object.h (Pluginobj): Declare.
(Object::pluginobj): New function.
(Object::do_pluginobj): New function.
(Object::set_target): New function.
* options.cc: Include "plugin.h".
(General_options::parse_plugin): New function.
(General_options::General_options): Initialize plugins_ field.
(General_options::add_plugin): New function.
* options.h (Plugin_manager): Declare.
(General_options): Add --plugin option.
(General_options::has_plugins): New function.
(General_options::plugins): New function.
(General_options::add_plugin): New function.
(General_options::plugins_): New field.
* plugin.cc: New file.
* plugin.h: New file.
* readsyms.cc: Include "plugin.h".
(Read_symbols::do_read_symbols): Check for archive before checking
for ELF file. Call plugin hooks to claim files.
* resolve.cc (Symbol_table::resolve): Record when symbol is referenced
from a real object file; force override when processing replacement
files.
* symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
(Symbol::init_base_object): Likewise.
(Symbol::init_base_output_data): Likewise.
(Symbol::init_base_output_segment): Likewise.
(Symbol::init_base_constant): Likewise.
(Symbol::init_base_undefined): Likewise.
(Symbol::output_section): Assert that object is not a plugin.
(Symbol_table::add_from_pluginobj): New function.
(Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
undefined.
(Symbol_table::sized_write_globals): Likewise.
(Symbol_table::add_from_pluginobj): Instantiate template.
* symtab.h (Sized_pluginobj): Declare.
(Symbol::in_real_elf): New function.
(Symbol::set_in_real_elf): New function.
(Symbol::in_real_elf_): New field.
(Symbol_table::add_from_pluginobj): New function.
* testsuite/Makefile.am (AM_CFLAGS): New variable.
(LIBDL): New variable.
(LDADD): Add LIBDL.
(check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
(check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
(check_DATA): Add plugin_test_1.err and plugin_test_2.err.
(MOSTLYCLEANFILES): Likewise.
* testsuite/Makefile.in: Regenerate.
* testsuite/plugin_test.c: New file.
* testsuite/plugin_test_1.sh: New file.
* testsuite/plugin_test_2.sh: New file.
2008-09-16 Ian Lance Taylor <iant@google.com>
* target-reloc.h (relocate_section): Check whether a symbol is
defined by the ABI before reporting an undefined symbol error.
* target.h (Target::is_defined_by_abi): Make parameter const.
(Target::do_is_defined_by_abi): Likewise.
* i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
* powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
* sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
* x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
* testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
* testsuite/Makefile.in: Rebuild.
* fileread.cc (make_view): Add casts to avoid warning.
2008-09-16 Alexandre Oliva <aoliva@redhat.com>
* i386.cc (Target_i386::define_tls_base_symbol): Update comments.
* x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
2008-09-16 Alexandre Oliva <aoliva@redhat.com>
* options.h (General_options::output_is_executable): New.
(General_options::output_is_pie): New.
* i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
for shared libraries.
* x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
2008-09-11 Chris Demetriou <cgd@google.com>
* options.h (origin): New -z option.
* layout.cc (Layout:finish_dynamic_section): If "-z origin"
is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
in DT_FLAGS_1.
2008-09-05 Cary Coutant <ccoutant@google.com>
* fileread.cc (File_read::make_view): Add check for attempt to map
beyond end of file.
2008-09-05 Cary Coutant <ccoutant@google.com>
* symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
explicit instantiations.
2008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
PR gold/6858
* options.cc (General_options::finalize): Allow undefined symbols
in shlibs if linking -shared.
PR gold/6859
* symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
symbols as not needing a dynsym entry.
2008-08-20 Craig Silverstein <csilvers@google.com>
* fileread.cc (File_read::open): Do not lock the file unless it
was successfully opened.
2008-08-14 Cary Coutant <ccoutant@google.com>
* x86_64.cc (Target_x86_64::Relocate::relocat_tls):
Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
* testsuite/tls_test.cc (struct int128): 128-bit struct
for testing TLS relocs with non-zero addend.
(v12): New TLS variable.
(t12): New test.
(t_last): Add check for v12.
* testsuite/tls_test.h (t12): New function.
* testsuite/tls_test_main.cc (thread_routine): Call new test.
2008-08-13 Ian Lance Taylor <iant@google.com>
* layout.cc (Layout::attach_allocated_section_to_segment): Don't
set tls_segment_ or relro_segment_.
(Layout::make_output_segment): Set tls_segment_ and relro_segment_
when appropriate.
* output.h (Output_section::clear_is_relro): New function.
* output.cc (Output_segment::add_output_section): Handle SHF_TLS
sections specially even when output_data_ is empty.
(Output_segment::maximum_alignment): When first section is relro,
only force alignment for PT_LOAD segments.
* script.cc (script_data_segment_align): New function.
(script_data_segment_relro_end): New function.
* script-c.h (script_data_segment_align): Declare.
(script_data_segment_relro_end): Declare.
* script-sections.h (class Script_sections): Declare
data_segment_align and data_segment_relro_end. Add fields
segment_align_index_ and saw_relro_end_.
* script-sections.cc (class Sections_element): Add set_is_relro
virtual function. Add new bool* parameter to place_orphan_here.
Add get_output_section virtual function.
(class Output_section_definition): Add set_is_relro. Add new
bool* parameter to place_orphan_here. Add get_output_section.
Add is_relro_ field.
(Output_section_definition::Output_section_definition): Initialize
evaluated_address_, evaluated_load_address, evaluated_addralign_,
and is_relro_ fields.
(Output_section_definition::place_orphan_here): Add is_relro
parameter.
(Output_section_definition::set_section_addresses): Set relro for
output section.
(Output_section_definition::alternate_constraint): Likewise.
(class Orphan_output_section): Add new bool* parameter to
place_orphan_here. Add get_output_section.
(Orphan_output_section::place_orphan_here): Add is_relro
parameter.
(Script_sections::Script_sections): Initialize
data_segment_align_index_ and saw_relro_end_.
(Script_sections::data_segment_align): New function.
(Script_sections::data_segment_relro_end): New function.
(Script_sections::place_orphan): Set or clear is_relro.
(Script_sections::set_section_addresses): Force alignment of first
TLS section.
* yyscript.y (exp): Call script_data_segment_align and
script_data_segment_relro_end.
* testsuite/relro_script_test.t: New file.
* testsuite/relro_test.cc (using_script): Declare.
(t1, t2): Test using_script.
* testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
(relro_script_test_SOURCES): Define.
(relro_script_test_DEPENDENCIES): Define.
(relro_script_test_LDFLAGS): Define.
(relro_script_test_LDADD): Define.
(relro_script_test.so): New target.
* testsuite/Makefile.in: Rebuild.
2008-08-06 Cary Coutant <ccoutant@google.com>
* archive.cc (Archive::total_archives, Archive::total_members)
(Archive::total_members_loaded): New variables.
(Archive::setup): Add parameter. Add option to preread
archive symbols.
(Archive::read_armap): Add counter.
(Archive::get_file_and_offset): New function.
(Archive::get_elf_object_for_member): New function.
(Archive::read_all_symbols): New function.
(Archive::read_symbols): New function.
(Archive::add_symbols): Add counters.
(Archive::include_all_members): Use armap to find members if it's
already built.
(Archive::include_member): Skip reading symbols if already read.
Factored code into Archive::get_file_and_offset and
Archive::get_elf_object_for_member. Changed call to
Mapfile::report_include_archive_member.
(Archive::print_stats): New function.
* archive.h: Declare Object and Read_symbols_data classes.
(Archive::Archive): Add initializers for new members.
(Archive::setup): Add parameter.
(Archive::print_stats): New function.
(Archive::total_archives, Archive::total_members)
(Archive::total_members_loaded): New variables.
(Archive::get_file_and_offset): New function.
(Archive::get_elf_object_for_member): New function.
(Archive::read_all_symbols): New function.
(Archive::read_symbols): New function.
(Archive::Archive_member): New class.
(Archive::members_): New member.
(Archive::num_members_): New member.
* main.cc: Include archive.h.
(main): Call Archive::print_stats.
* mapfile.cc (Mapfile::report_include_archive_member): Delete
archive parameter; member_name is now the fully-decorated name.
* mapfile.h (Mapfile::report_include_archive_member): Likewise.
* options.h: (General_options): Add --preread-archive-symbols option.
* readsyms.cc (Read_symbols::do_read_symbols): Change call to
Archive::setup.
2008-08-04 Ian Lance Taylor <iant@google.com>
* symtab.h (Symbol::use_plt_offset): New function.
* i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
* powerpc.cc (Relocate::relocate): Likewise.
* sparc.cc (Relocate::relocate): Likewise.
* x86_64.cc (Relocate::relocate): Likewise.
* testsuite/weak_plt.sh: New test.
* testsuite/weak_plt_main.cc: New test.
* testsuite/weak_plt_shared.cc: New test.
* testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
(check_PROGRAMS): Add weak_plt.
(check_DATA): Add weak_plt_shared.so.
(weak_plt_main_pic.o, weak_plt): New targets.
(weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
* testsuite/Makefile.in: Rebuild.
* testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
gcctestdir/ld.
(weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
* testsuite/Makefile.in: Rebuild.
2008-08-04 Alan Modra <amodra@bigpond.net.au>
* Makefile.am (POTFILES.in): Set LC_ALL=C.
* Makefile.in: Regenerate.
* po/POTFILES.in: Regenerate.
2008-07-29 Ian Lance Taylor <iant@google.com>
* script.cc (Script_options::finalize_symbols): Finalize SECTIONS
symbols before other symbols.
* testsuite/script_test_2.cc (test_addr): Declare.
(test_addr_alias): Declare.
(main): Check that test_addr and test_addr_alias have the right
values.
* testsuite/script_test_2.t: Define test_addr_alias and
test_addr.
2008-07-24 Ian Lance Taylor <iant@google.com>
PR 5990
* descriptors.cc: New file.
* descriptors.h: New file.
* gold-threads.h (class Hold_optional_lock): New class.
* fileread.cc: Include "descriptors.h".
(File_read::~File_read): Release descriptor rather than closing
it.
(File_read::open) [file]: Call open_descriptor rather than open.
Set is_descriptor_opened_.
(File_read::open) [memory]: Assert that descriptor is not open.
(File_read::reopen_descriptor): New function.
(File_read::release): Release descriptor.
(File_read::do_read): Make non-const. Reopen descriptor.
(File_read::read): Make non-const.
(File_read::make_view): Reopen descriptor.
(File_read::do_readv): Likewise.
* fileread.h (class File_read): Add is_descriptor_opened_ field.
Update declarations.
* layout.cc: Include "descriptors.h".
(Layout::create_build_id): Use open_descriptor rather than open.
* output.cc: Include "descriptors.h".
(Output_file::open): Use open_descriptor rather than open.
* archive.cc (Archive::const_iterator): Change Archive to be
non-const.
(Archive::begin, Archive::end): Make non-const.
(Archive::count_members): Likewise.
* archive.h (class Archive): Update declarations.
* object.h (Object::read): Make non-const.
* Makefile.am (CCFILES): Add descriptors.cc.
(HFILES): Add descriptors.h.
* Makefile.in: Rebuild.
PR 6716
* gold.h: Always include <clocale>. Add Solaris workarounds
following code in binutils/sysdep.h.
PR 6048
* ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
this->eh_frame_hdr_ is NULL before using it.
* dynobj.cc (Versions::Versions): Update comment.
* dynobj.cc (Versions::Versions): If there is an soname, use it as
the base version name.
* stringpool.cc (Stringpool_template::add_with_length): Set key to
array size plus one.
(Stringpool_template::set_string_offsets): Subtract one from key
before using it as an array index.
(Stringpool_template::get_offset_with_length): Likewise.
(Stringpool_template::write_to_buffer): Likewise.
* stringpool.h (Stringpool_template::get_offset_from_key):
Likewise.
2008-07-23 Ian Lance Taylor <iant@google.com>
PR 6658
* object.h (Merged_symbol_value::value): Do our best to handle a
negative addend.
PR 6647
* script.cc (Version_script_info::get_versions): Don't add empty
version tag to return value.
(Version_script_info::get_symbol_version_helper): Change return
type to bool. Add pversion parameter. Change all callers.
(script_register_vers_node): Don't require a non-NULL tag.
* script.h (class Version_script_info): Update declarations.
(Version_script_info::get_symbol_version): Change return type to
bool. Add version parameter. Change all callers.
* symtab.cc (Sized_symbol::add_from_relobj): Rework version
handling. Handle an empty version from a version script.
(Symbol_table::define_special_symbol): Likewise.
* testsuite/ver_test_10.script: New file.
* testsuite/ver_test_10.sh: New file.
* testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
(check_DATA): Add ver_test_10.syms.
(ver_test_10.syms, ver_test_10.so): New target.
* testsuite/Makefile.in: Rebuild.
2008-07-23 Simon Baldwin <simonb@google.com>
* symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
to zero for undefined symbols from dynamic libraries.
2008-07-23 Ian Lance Taylor <iant@google.com>
* symtab.cc (Symbol_table::resolve): Remove version parameter.
Change all callers.
* symtab.h (class Symbol_table): Update declaration.
* testsuite/ver_test_9.cc: New file.
* testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
(ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
(ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
(ver_test_9.so, ver_test_9.o): New targets.
* testsuite/Makefile.in: Rebuild.
2008-07-22 Ian Lance Taylor <iant@google.com>
* options.h (class General_options): Define --check-sections.
* layout.cc (Layout::set_segment_offsets): Handle
--check-sections.
* options.h (class General_options): Define -n/--nmagic and
-N/--omagic.
* options.cc (General_options::finalize): For -n/--nmagic or
-N/--omagic, set -static.
* layout.cc (Layout::attach_allocated_section_to_segment): If
-N/--omagic, don't put read-only and read-write sections in
different segments.
(Layout::find_first_load_seg): If -N/--omagic, don't insist on
finding a read-only segment.
(Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
don't set the minimum segment alignment to the common page size,
and don't set the file offset to the address modulo the page size.
* script-sections.cc (Script_sections::create_segments): If
-n/--omagic, don't put read-only and read-write sections in
different segments.
* cref.cc: New file.
* cref.h: New file.
* options.h (class General_options): Add --print-symbol-counts.
* main.cc (main): Issue defined symbol report if requested.
* archive.cc (Archive::interpret_header): Make into a const member
function.
(Archive::add_symbols): Call Input_objects::archive_start and
archive_stop.
(Archive::const_iterator): Define new class.
(Archive::begin, Archive::end): New functions.
(Archive::include_all_members): Rewrite to use iterator.
(Archive::count_members): New function.
* archive.h (class Archive): Update declarations.
(Archive::filename): New function.
* object.cc: Include "cref.h".
(Sized_relobj::Sized_relobj): Initialize defined_count_.
(Sized_relobj::do_get_global_symbol_counts): New function.
(Input_objects::add_object): Add object to cross-referencer.
(Input_objects::archive_start): New function.
(Input_objects::archive_stop): New function.
(Input_objects::print_symbol_counts): New function.
* object.h: Declare Cref and Archive.
(Object::get_global_symbol_counts): New function.
(Object::do_get_global_symbol_counts): New pure virtual function.
(class Sized_relobj): Add defined_count_ field. Update
declarations.
(class Input_objects): Add cref_ field. Update constructor.
Update declarations.
* dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
defined_count_.
(Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
symbol counts.
(Sized_dynobj::do_get_global_symbol_counts): New function.
* dynobj.h (class Sized_dynobj): Add fields symbols_ and
defined_count_. Update declarations. Define Symbols typedef.
* symtab.cc (Symbol_table::add_from_relobj): Add defined
parameter. Change all callers.
(Symbol_table::add_from_dynobj): Add sympointers and defined
parameters. Change all callers.
* symtab.h (class Symbol_table): Update declarations.
* Makefile.am (CCFILES): Add cref.cc.
(HFILES): Add cref.h.
* Makefile.in: Rebuild.
2008-07-22 Simon Baldwin <simonb@google.com>
* symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
to zero when writing undefined symbols.
2008-07-22 Ian Lance Taylor <iant@google.com>
* output.cc (Output_section::add_input_section): Don't try to
merge empty merge sections.
2008-07-21 Craig Silverstein <csilvers@google.com>
* symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
Include symbol version in error message.
2008-07-20 Chris Demetriou <cgd@google.com>
* configure.ac (gold_cv_c_random_seed): New configured variable.
(RANDOM_SEED_CFLAGS): New substituted variable.
* Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
* configure: Rebuild.
* Makefile.in: Likewise.
* testsuite/Makefile.in: Likewise.
2008-07-18 Ian Lance Taylor <iant@google.com>
* symtab.cc (Symbol_table::add_from_object): Rewrite the case
where we see NAME/NULL and NAME/VERSION as separate symbols.
* testsuite/ver_test_main.cc (main): Call t4.
(t4, t4_2a): Define.
* testsuite/ver_test_2.cc (t4_2): Define.
* testsuite/ver_test_2.script: Put t4_2a in VER2.
* testsuite/ver_test_4.cc (t4_2a): Define.
* testsuite/ver_test_4.script: Put t4_2a in VER2.
* testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
2008-07-17 Ian Lance Taylor <iant@google.com>
* dynobj.cc (Versions::add_def): If we give an error about a
missing version, go ahead and create the version anyhow.
2008-07-10 Ian Lance Taylor <iant@google.com>
Handle output sections with more than 0x7fffffff bytes.
* object.h (class Relobj): Change map_to_output_ to
output_sections_, and just keep a section pointer. Change all
uses. Move comdat group support to Sized_relobj.
(Relobj::is_section_specially_mapped): Remove.
(Relobj::output_section): Remove poff parameter. Change all
callers.
(Relobj::output_section_offset): New function.
(Relobj::set_section_offset): Rewrite.
(Relobj::map_to_output): Remove.
(Relobj::output_sections): New function.
(Relobj::do_output_section_offset): New pure virtual function.
(Relobj::do_set_section_offset): Likewise.
(class Sized_relobj): Add section_offsets_ field. Add comdat
group support from Relobj. Update declarations.
(Sized_relobj::get_output_section_offset): New function.
(Sized_relobj::do_output_section_offset): New function.
(Sized_relobj::do_set_section_offset): New function.
* object.cc (Relobj::output_section_address): Remove.
(Sized_relobj::Sized_relobj): Initialize new fields.
(Sized_relobj::include_section_group): Cast find_kept_object to
Sized_relobj.
(Sized_relobj::include_linkonce_section): Likewise.
(Sized_relobj::do_layout): Use separate arrays for output section
and output offset.
(Sized_relobj::do_count_local_symbols): Change map_to_output to
output_sections.
(Sized_relobj::do_finalize_local_symbols): Change map_to_output to
output_sections and section_offsets.
(Sized_relobj::write_local_symbols): Likewise.
(map_to_kept_section): Compute output address directly.
* reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
output_sections and section_offsets.
(Sized_relobj::write_sections): Likewise.
(Sized_relobj::relocate_sections): Likewise.
* symtab.cc (sized_finalize_symbol): Use output_section_offset.
* output.h (class Output_reloc): Update declarations. Change
u2_.relobj to Sized_relobj*.
(class Output_data_reloc): Change add functions to use
Sized_relobj*.
* output.cc (Output_reloc::Output_reloc): Change relobj to
Sized_relobj*.
(Output_reloc::local_section_offset): Change return type to
Elf_Addr. Use get_output_section_offset.
(Output_reloc::get_address): Likewise.
(Output_section::is_input_address_mapped): Don't call
is_section_specially_mapped.
(Output_section::output_offset): Likewise.
(Output_section::output_address): Likewise.
(Output_section::starting_output_address): Likewise.
* copy-relocs.cc (Copy_relocs::copy_reloc): Change object
parameter to Sized_relobj*.
(Copy_relocs::need_copy_reloc): Likewise.
(Copy_relocs::save): Likewise.
* copy-relocs.h (class Copy_relocs): Update declarations.
(class Copy_relocs::Copy_reloc_entry): Change constructor to use
Sized_relobj*. Change relobj_ field to Sized_relobj*.
* target-reloc.h (relocate_for_relocatable): Change
offset_in_output_section type to Elf_Addr. Change code that uses
it as well.
* layout.cc (Layout::layout): Always set *off.
* mapfile.cc (Mapfile::print_input_section): Use
output_section_offset.
* i386.cc (Target_i386::copy_reloc): Change object parameter to
Sized_relobj*.
* powerpc.cc (Target_powerpc::copy_reloc): Likewise.
* sparc.cc (Target_sparc::copy_reloc): Likewise.
* x86_64.cc (Target_x86_64::copy_reloc): Likewise.
2008-07-03 Ian Lance Taylor <iant@google.com>
* layout.cc (Layout::include_section): Do not discard unrecognized
SHT_STRTAB sections.
2008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
* script.cc (Lex::can_continue_name): Make '?' allowable in
version-script names.
* testsuite/version_script.map: Change glob pattern to use '?'
2008-06-30 Manish Singh <yosh@gimp.org>
PR 6585
* symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
Correct typo.
2008-06-30 Ian Lance Taylor <iant@google.com>
PR 6660
PR 6682
* powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
versions]: Don't try to read the value in the contents, since we
don't use it. Use the template endianness when writing.
2008-06-25 Cary Coutant <ccoutant@google.com>
* fileread.cc (File_read::make_view): Assert on zero-length view.
* object.cc (Sized_relobj::do_read_symbols): Don't try to read
symbol table when there are no symbols to read.
2008-06-23 Craig Silverstein <csilvers@google.com>
* version.cc (version_string): Bump to 1.7
2008-06-18 Craig Silverstein <csilvers@google.com>
* powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
constant 0xFFFF to type Valtype.
(Powerpc_relocate_functions::rel16_ha): Likewise.
2008-06-17 Ian Lance Taylor <iant@google.com>
* output.h (Output_section::Input_section): Initialize p2align_ to
zero for Output_section_data constructors.
(Output_section::Input_section::addralign): If not an input
section, return the alignment of the Output_section_data.
* testsuite/copy_test.cc: New file.
* testsuite/copy_test_1.cc: New file.
* testsuite/copy_test_2.cc: New file.
* testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
(copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
(copy_test_LDFLAGS, copy_test_LDADD): New variables.
(copy_test_1_pic.o, copy_test_1.so): New targets.
(copy_test_2_pic.o, copy_test_2.so): New targets.
* testsuite/Makefile.in: Rebuild.
* script-sections.cc (Script_sections::place_orphan): Initialize
local variable exact.
2008-06-13 David Edelsohn <edelsohn@gnu.org>
* powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
2008-06-12 David Edelsohn <edelsohn@gnu.org>
David S. Miller <davem@davemloft.net>
* powerpc.cc: New file.
* Makefile.am (TARGETSOURCES): Add powerpc.cc
(ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
* configure.tgt: Add entries for powerpc-* and powerpc64-*.
* Makefile.in: Rebuild.
2008-06-09 Ian Lance Taylor <iant@google.com>
* testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
<exception>.
(throwing, orig_terminate): New static variables.
(terminate_handler): New static function.
(t2): Set terminate handler.
2008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
PR 6584
* binary.cc (Binary_to_elf::sized_convert): Fix .data
alignment.
2008-05-30 Cary Coutant <ccoutant@google.com>
* archive.cc (Archive::include_all_members) Correct to step
over symbol table and extended name table in thin archives.
2008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
PR 6407
* target-reloc.h (relocate_for_relocatable): Fix new_offset
calculation.
2008-05-28 Caleb Howe <cshowe@google.com>
* reduced_debug_output.cc: New file.
* reduced_debug_output.h: New file.
* options.h (class General_options): Add --strip-debug-non-line.
* options.cc (General_options::finalize): Add strip_debug_non_line
to the strip heirarchy.
* layout.h (class Layout): Add debug_abbrev_ and debug_info_
fields.
* layout.cc: Include "reduced_debug_output.h".
(Layout::Layout): Initialize new fields.
(line_only_debug_sections): New static array.
(is_lines_only_debug_sections): New static inline function.
(Layout::include_section): Handle --strip-debug-non-line.
(Layout::make_output_section): If --strip-debug-non-line, build
new output sections for .debug_abbrev and .debug_info.
* dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
gold. Warn about possible overflow.
(read_signed_LEB_128): Likewise.
* dwarf_reader.h: (read_unsigned_LEB_128): Declare.
(read_signed_LEB_128): Declare.
* Makefile.am (CCFILES): Add reduced_debug_output.cc.
(HFILES): Add reduced_debug_output.h.
* Makefile.in: Rebuild.
2008-05-21 Ian Lance Taylor <iant@google.com>
* mapfile.cc: New file.
* mapfile.h: New file.
* options.h (class General_options): Add -M/--print-map and -Map.
* options.cc (General_options::finalize): Make -M equivalent to
-Map -.
* main.cc: Include <cstdio> and "mapfile.h".
(main): Open mapfile if requested.
* gold.cc (class Middle_runner): Add mapfile_ field. Update
constructor. Change caller.
(queue_initial_tasks): Add mapfile parameter. Change caller.
(queue_middle_tasks): Likewise.
* gold.h (queue_initial_tasks, queue_middle_tasks): Update
declarations.
* archive.cc: Include "mapfile.h".
(Archive::add_symbols): Add mapfile parameter. Change all
callers. Pass mapfile, symbol, and reason to include_member.
(Archive::include_all_members): Add mapfile parameter. Change all
callers.
(Archive::include_member): Add mapfile, sym, and why parameters.
Change all callers. Report inclusion to map file.
* archive.h: Include "fileread.h".
(class Archive): Update declarations.
(Archive::file): New const method.
(class Add_archive_symbols): Add mapfile_ field. Update
constructor. Change all callers.
* readsyms.h (class Read_symbols): Likewise.
(class Finish_group): Likewise.
(class Read_script): Likewise.
* common.cc: Include "mapfile.h".
(Symbol_table::allocate_commons): Add mapfile parameter. Change
all callers.
(Symbol_table::do_allocate_commons): Likewise.
(Symbol_table::do_allocate_commons_list): Likewise. Report common
symbol allocation to mapfile.
* common.h (class Allocate_commons_task): Add mapfile_ field.
Update constructor. Change all callers.
* symtab.h (class Symbol_table): Update declarations.
* layout.cc: Include "mapfile.h".
(Layout_task_runner::run): Print information to mapfile.
(Layout::create_gold_note): Change Output_data_fixed_space to
Output_data_zero_fill.
(Layout::create_build_id): Likewise.
(Layout::print_to_mapfile): New function.
* layout.h (class Layout_task_runner): Add mapfile_ field. Update
constructor. Change caller.
(class Layout): Declare print_to_mapfile.
* output.cc (Output_section::Input_section::print_to_mapfile): New
function.
(Output_section::add_input_section): If producing a map, always
add to input_sections_ list.
(Output_section::do_print_to_mapfile): New function.
(Output_segment::print_sections_to_mapfile): New function.
(Output_segment::print_section_list_to_mapfile): New function.
* output.h: Include "mapfile.h".
(Output_data::print_to_mapfile): New function.
(Output_data::do_print_to_mapfile): New virtual function.
(Output_segment_headers::do_print_to_mapfile): New function.
(Output_file_header::do_print_to_mapfile): New function.
(Output_data_const::do_print_to_mapfile): New function.
(class Output_data_const_buffer): Add map_name_ field. Update
constructor. Change all callers. Add do_print_to_mapfile
function.
(class Output_data_fixed_space): Likewise.
(class Output_data_space): Likewise.
(class Output_data_zero_fill): New class.
(Output_data_strtab::do_print_to_mapfile): New function.
(Output_data_reloc_base::do_print_to_mapfile): New function.
(Output_relocatable_relocs::do_print_to_mapfile): New function.
(Output_data_group::do_print_to_mapfile): New function.
(Output_data_got::do_print_to_mapfile): New function.
(Output_data_dynamic::do_print_to_mapfile): New function.
(Output_symtab_xindex::do_print_to_mapfile): New function.
(class Output_section): Declare do_print_to_mapflie. Declare
print_to_mapfile in Input_section.
(class Output_segment): Declare new functions.
* object.h (Sized_relobj::symbol_count): New function.
* script-sections.cc
(Output_section_element_dot_assignment::set_section_addresses):
Change Output_data_fixed_space to Output_data_zero_fill.
(Output_data_expression::do_print_to_mapfile): New function.
* script.cc (read_input_script): Add mapfile parameter. Change
all callers.
* script.h (read_input_script): Update declaration.
* ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
(Eh_frame::do_print_to_mapfile): New function.
* merge.h (Output_merge_data::do_print_to_mapfile): New function.
(Output_merge_string::do_print_to_mapfile): New function.
* i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
function.
* sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
function.
* x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
function.
* Makefile.am (CCFILES): Add mapfile.cc.
(HFILES): Add mapfile.h.
* Makefile.in: Rebuild.
2008-05-19 Ian Lance Taylor <iant@google.com>
* options.h (class General_options): Add -z relro.
* layout.cc (Layout::Layout): Initialize relro_segment_.
(Layout::add_output_section_data): Return the output section.
(Layout::make_output_section): Rcognize relro sections and mark
them appropriately.
(Layout::attach_allocated_section_to_segment): Put relro sections
in a PT_GNU_RELRO segment.
(Layout::create_initial_dynamic_sections): Mark the .dynamic
section as relro.
(Layout::segment_precedes): Sort PT_GNU_RELRO segments after
PT_TLS segments.
(Layout::linkonce_mapping): Map d.rel.ro.local to
.data.rel.ro.local.
(Layout::output_section_name): Us .data.rel.ro.local for any
section which begins with that.
* layout.h (class Layout): Update add_output_section_data
declaration. Add relro_segment_ field.
* output.cc (Output_section::Output_section): Initialize is_relro_
and is_relro_local_ fields.
(Output_segment::add_output_section): Group relro sections.
(Output_segment::is_first_section_relro): New function.
(Output_segment::maximum_alignment): If there is a relro section,
align the segment to the common page size.
(Output_segment::set_section_addresses): Track whether we are
looking at relro sections. If the last section is a relro
section, align to the common page size.
(Output_segment::set_section_list_addresses): Add in_relro
parameter. Change all callers. Align to the page size when
moving from relro to non-relro section.
(Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
segment.
* output.h (class Output_section): Add is_relro_ and
is_relro_local_ fields.
(Output_section::is_relro): New function.
(Output_section::set_is_relro): New function.
(Output_section::is_relro_local): New function.
(Output_section::set_is_relro_local): New function.
(class Output_segment): Update declarations.
* i386.cc (Target_i386::got_section): Mark .got section as relro.
* sparc.cc (Target_sparc::got_section): Likewise.
* x86_64.cc (Target_x86_64::got_section): Likewise.
* testsuite/relro_test_main.cc: New file.
* testsuite/relro_test.cc: New file.
* testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
(relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
(relro_test_LDFLAGS, relro_test_LDADD): New variables.
(relro_test.so, relro_test_pic.o): New targets.
* testsuite/Makefile.in: Rebuild.
2008-05-16 Ian Lance Taylor <iant@google.com>
* output.cc (Output_segment::add_output_section): Remove front
parameter.
* output.h (class Output_segment): Remove
add_initial_output_section and overloaded add_output_section.
Update declaration of remaining add_output_section.
* layout.cc (Layout::create_interp): Call add_output_section
rather than add_initial_output_section.
(Layout::finish_dynamic_section): Likewise.
* i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
know the dynamic type.
* x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
field. Initialize it in constructor.
(Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
reloc.
* output.cc (Output_reloc::get_address): Change return type to
Elf_Addr.
* output.h (class Output_reloc): Update get_address declaration.
* x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
for section addresses.
2008-05-09 Ian Lance Taylor <iant@google.com>
PR 6493
* gold.cc (gold_nomem): Use return value of write.
2008-05-08 Ian Lance Taylor <iant@google.com>
* symtab.c (Symbol::init_base_output_data): Add version
parameter. Change all callers.
(Symbol::init_base_output_segment): Likewise.
(Symbol::init_base_constant): Likewise.
(Symbol::init_base_undefined): Likewise.
(Sized_symbol::init_output_data): Likewise.
(Sized_symbol::init_output_segment): Likewise.
(Sized_symbol::init_constant): Likewise.
(Sized_symbol::init_undefined): Likewise.
(Symbol_table::do_define_in_output_data): If the new symbol has a
version, mark it as the default.
(Symbol_table::do_define_in_output_segment): Likewise.
(Symbol_table::do_define_as_constant): Likewise.
* symtab.h (class Symbol): Update declarations.
(class Sized_symbol): Likewise.
* resolve.cc (Symbol::override_version): New function.
(Symbol::override_base): Call override_version.
(Symbol::override_base_with_special): Likewise.
* testsuite/ver_script_8.script: New file.
* testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
(ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
(ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
(ver_test_8_1.so, ver_test_8_2.so): New targets.
2008-05-06 Ian Lance Taylor <iant@google.com>
PR 6049
* options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
functions.
(class General_options): Remove existing --undefined, and add
--no-undefined instead. Add new --undefined as synonym for -u.
* archive.cc (Archive::add_symbols): Check whether symbol was
named with -u.
* gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
* symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
all uses. Add IS_UNDEFINED. Update declarations to split
different versions of init_base. Declare init_base_undefined.
(Symbol::is_defined): Handle IS_UNDEFINED.
(Symbol::is_undefined): Likewise.
(Symbol::is_weak_undefined): Call is_undefined.
(Symbol::is_absolute): Handle IS_CONSTANT.
(class Sized_symbol): Update declarations to split different
versions of init. Declare init_undefined.
(class Symbol_table): Declare new functions.
* symtab.cc (Symbol::init_base_object): Rename from init_base.
Change all callers.
(Symbol::init_base_output_data): Likewise.
(Symbol::init_base_output_segment): Likewise.
(Symbol::init_base_constant): Likewise.
(Symbol::init_base_undefined): New function.
(Sized_symbol::init_object): Rename from init. Change all
callers.
(Sized_symbol::init_output_data): Likewise.
(Sized_symbol::init_output_segment): Likewise.
(Sized_symbol::init_constant): Likewise.
(Sized_symbol::init_undefined): New function.
(Symbol_table::add_undefined_symbols_from_command_line): New
function.
(Symbol_table::do_add_undefined_symbols_from_command_line): New
function.
(Symbol::final_value_is_known): Handle IS_UNDEFINED.
(Symbol::output_section): Likewise.
(Symbol::set_output_section): Likewise.
(Symbol_table::sized_finalize_symbol): Likewise.
(Symbol_table::sized_write_globals): Likewise.
* resolve.cc (Symbol_table::should_override): Likewise.
(Symbol::override_base_with_special): Likewise.
* symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
symbol, change it to have default visibility.
* testsuite/protected_1.cc: New file.
* testsuite/protected_2.cc: New file.
* testsuite/protected_3.cc: New file.
* testsuite/protected_main_1.cc: New file.
* testsuite/protected_main_2.cc: New file.
* testsuite/protected_main_3.cc: New file.
* testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
(protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
(protected_1_LDFLAGS, protected_1_LDADD): Define.
(protected_1.so): New target.
(protected_1_pic.o, protected_2_pic.o): New targets.
(protected_3_pic.o): New target.
(check_PROGRAMS): Add protected_2.
(protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
(protected_2_LDFLAGS, protected_2_LDADD): Define.
* testsuite/Makefile.in: Rebuild.
* options.h (DEFINE_var): Add set_user_set_##varname__.
(DEFINE_bool_alias): New macro.
(class General_options): Define -Bstatic using DEFINE_bool_alias
rather than DEFINE_special. Add --undefined as an alias for -z
defs.
* options.cc (General_options::parse_Bstatic): Remove.
* options.h (class General_options): Add --fatal-warnings.
* main.cc (main): Implement --fatal-warnings.
* errors.h (Errors::warning_count): New function.
* options.h (class General_options): Add -Bsymbolic-functions.
* symtab.h (Symbol::is_preemptible): Check for
-Bsymbolic-functions.
2008-05-05 Ian Lance Taylor <iant@google.com>
* options.h (DEFINE_bool): For DASH_Z, create the negative option
as noVARNAME rather than no-VARNAME.
(class General_options): Add option -z combreloc.
* output.h (class Output_reloc) [SHT_REL]: Declare compare and
get_address.
(Output_reloc::sort_before) [SHT_REL]: New function.
(Output_reloc::sort_before) [SHT_RELA]: New function.
(class Output_data_reloc_base): Add sort_relocs_ field. Define
Sort_relocs_comparison.
(Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
parameter. Change all callers.
(Output_data_reloc::Output_data_reloc) [both versions]: Add
sort_relocs parameter. Change all callers.
* output.cc (Output_reloc::get_address): New function, broken out
of write_rel.
(Output_reloc::write_rel): Call it.
(Output_reloc::compare): New function.
(Output_data_reloc_base::do_write): Optionally sort relocs.
* configure.ac: If targ_extra_obj is set, link it in.
* configure.tgt: Initialize all variables.
(x86_64*): Set targ_extra_obj and targ_extra_size.
* configure: Rebuild.
* object.cc (Sized_relobj::include_section_group): Adjust section
indexes read from group data. Build vector to pass to
layout_group.
* layout.cc (Layout::layout_group): Add flags and shndxes
parameters. Remove contents parameter. Change caller. Update
explicit instantiations.
* layout.h (class Layout): Update layout_group declaration.
* output.cc (Output_data_group::Output_data_group): Add flags and
input_shndxes parameters. Remove contents parameter. Change
caller.
(Output_data_group::do_write): Change input_sections_ to
input_shndxes_.
* output.h (class Output_data_group): Update constructor
declaration. Rename input_sections_ to input_shndxes_.
* testsuite/many_sections_test.cc: Add template.
2008-04-30 Cary Coutant <ccoutant@google.com>
* target-reloc.h (relocate_section): Fix dead-pointer bug.
* layout.cc (Layout::include_section): Refactored check for debug
info section.
(Layout::add_comdat): Add new parameters. Change type
of signature parameter. Add object and shndx to signatures table.
(Layout::find_kept_object): New function.
* layout.h: Include <cstring>.
(Layout::is_debug_info_section): New function.
(Layout::add_comdat): Add new parameters.
(Layout::find_kept_object): New function.
(Layout::Kept_section): New struct.
(Layout::Signatures): Change type of map range.
* object.cc (Relobj::output_section_address): New function.
(Sized_relobj::include_section_group): Add new parameters. Change
calls to Layout::add_comdat. Change to build table of kept comdat
groups and table mapping discarded sections to kept sections.
(Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
(Sized_relobj::do_layout): Change calls to include_section_group and
include_linkonce_section.
(Sized_relobj::do_finalize_local_symbols): Do not set local symbol
value to zero when section is discarded.
(Sized_relobj::map_to_kept_section): New function.
* object.h (Relobj::output_section_address): New function.
(Relobj::Comdat_group): New type.
(Relobj::find_comdat_group): New function.
(Relobj::Comdat_group_table): New type.
(Relobj::Kept_comdat_section): New type.
(Relobj::Kept_comdat_section_table): New type.
(Relobj::add_comdat_group): New function.
(Relobj::set_kept_comdat_section): New function.
(Relobj::get_kept_comdat_section): New function.
(Relobj::comdat_groups_): New field.
(Relobj::kept_comdat_sections_): New field.
(Symbol_value::input_value): Update comment.
(Sized_relobj::map_to_kept_section) New function.
(Sized_relobj::include_linkonce_section): Add new parameter.
* target-reloc.h (Comdat_behavior): New type.
(get_comdat_behavior): New function.
(relocate_section): Add code to map a discarded section to the
corresponding kept section when applying a relocation.
2008-04-30 Craig Silverstein <csilvers@google.com>
* dwarf_reader.cc (next_generation_count): New static var.
(Addr2line_cache_entry): New struct.
(addr2line_cache): New static var.
(Dwarf_line_info::one_addr2line): Added caching.
(Dwarf_line_info::clear_addr2line_cache): New function.
* dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
cache-size parameter.
(Dwarf_line_info::one_addr2line_cache): New function.
* symtab.cc (Symbol_table::detect_odr_violations): Pass
new cache-size argument to one_addr2line(), and clear cache.
2008-04-28 Cary Coutant <ccoutant@google.com>
* i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
R_386_PC8 relocations.
2008-04-23 Ian Lance Taylor <iant@google.com>
* object.cc (Sized_relobj::include_section_group): Check for
invalid section group.
* object.cc (make_elf_object): Correct test for 64-bit ELF file
header size.
* readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
than read for file header.
* archive.cc (Archive::include_member): Likewise.
2008-04-23 Paolo Bonzini <bonzini@gnu.org>
* aclocal.m4: Regenerate.
* configure: Regenerate.
2008-04-19 Ian Lance Taylor <iant@google.com>
* version.cc (version_string): Bump to 1.6.
* testsuite/Makefile.am (many_sections_r_test): New target.
(many_sections_r_test_SOURCES): Remove.
(many_sections_r_test_DEPENDENCIES): Remove.
(many_sections_r_test_LDFLAGS): Remove.
(many_sections_r_test_LDADD): Remove.
* object.cc (Sized_relobj::do_add_symbols): Always pass
local_symbol_count_ to add_from_relobj.
* testsuite/Makefile.am (many_sections_check.h): Only check one in
every thousand variables.
* testsuite/Makefile.in: Rebuild.
* object.cc (Xindex::initialize_symtab_xindex): New function.
(Xindex::read_symtab_xindex): New function.
(Xindex::sym_xindex_to_shndx): New function.
(Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
available.
(Sized_relobj::do_initialize_xindex): New function.
(Sized_relobj::do_read_symbols): Adjust section links.
(Sized_relobj::symbol_section_and_value): Add is_ordinary
parameter. Change all callers.
(Sized_relobj::include_section_group): Adjust section links and
symbol section indexes.
(Sized_relobj::do_layout): Adjust section links.
(Sized_relobj::do_count_local_symbols): Adjust section links and
symbol section indexes.
(Sized_relobj::do_finalize_local_symbols): Distinguish between
ordinary and special symbols.
(Sized_relobj::write_local_symbols): Add symtab_xindex and
dynsym_xindex parameters. Change all callers. Adjust section
links. Use SHN_XINDEX when needed.
(Sized_relobj::get_symbol_location_info): Adjust section links.
Don't get fooled by special symbols.
* object.h (class Xindex): Define.
(class Object): Add xindex_ parameter. Declare virtual functoin
do_initialize_xindex.
(Object::adjust_sym_shndx): New function.
(Object::set_xindex): New protected function.
(class Symbol_value): Add is_ordinary_shndx_ field.
(Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
(Symbol_value::value): Assert ordinary section.
(Symbol_value::initialize_input_to_output_map): Likewise.
(Symbol_value::set_input_shndx): Add is_ordinary parameter.
Change all callers.
(Symbol_value::input_shndx): Add is_ordinary parameter. Change
all callers.
(class Sized_relobj): Update declarations.
(Sized_relobj::local_symbol_input_shndx): Add is_ordinary
parameter. Change all callers.
(Sized_relobj::adjust_shndx): New function.
* dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
field.
(Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
(Sized_dynobj::read_dynsym_section): Adjust section links.
(Sized_dynobj::read_dynamic): Likewise.
(Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
section links.
(Sized_dynobj::do_initialize_xindex): New function.
* dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
do_initialize_xindex.
(Sized_dynobj::adjust_shndx): New function.
* layout.cc (Layout::Layout): Initialize symtab_xindex_ and
dynsym_xindex_ fields.
(Layout::finalize): Add a call to set_section_indexes before
creating the symtab sections.
(Layout::set_section_indexes): Don't do anything if the section
already has a section index.
(Layout::create_symtab_sections): Add shnum parameter. Change
caller. Create .symtab_shndx section if needed.
(Layout::create_shdrs): Add shstrtab_section parameter. Change
caller.
(Layout::allocated_output_section_count): New function.
(Layout::create_dynamic_symtab): Create .dynsym_shndx section if
needed.
* layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
fields. Update declarations.
(Layout::symtab_xindex): New function.
(Layout::dynsym_xindex): New function.
(class Write_symbols_task): Add layout_ field.
(Write_symbols_task::Write_symbols_task): Add layout parameter.
Change caller.
* output.cc (Output_section_headers::Output_section_headers): Add
shstrtab_section parameter. Change all callers.
(Output_section_headers::do_sized_write): Store overflow values
for section count and section string table section index in
section header zero.
(Output_file_header::do_sized_write): Check for overflow of
section count and section string table section index.
(Output_symtab_xindex::do_write): New function.
(Output_symtab_xindex::endian_do_write): New function.
* output.h (class Output_section_headers): Add shstrtab_section_.
Update declarations.
(class Output_symtab_xindex): Define.
(Output_section::has_out_shndx): New function.
* symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
field.
(Symbol::init_base): Add st_shndx and is_ordinary parameters.
Change all callers.
(Sized_symbol::init): Likewise.
(Symbol::output_section): Check for ordinary symbol.
(Symbol_table::add_from_object): Remove orig_sym parameter. Add
st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
callers.
(Symbol_table::add_from_relobj): Add symndx_offset parameter.
Change all callers. Simplify handling of symbols from sections
not included in the link.
(Symbol_table::add_from_dynobj): Handle ordinary symbol
distinction.
(Weak_alias_sorter::operator()): Assert that symbols are
ordinary.
(Symbol_table::sized_finalize_symbol): Handle ordinary symbol
distinction.
(Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
parameters. Change all callers.
(Symbol_table::sized_write_globals): Likewise. Handle ordinary
symbol distinction. Use SHN_XINDEX when needed.
(Symbol_table::write_section_symbol): Add symtab_xindex
parameter. Change all callers.
(Symbol_table::sized_write_section_symbol): Likewise. Use
SHN_XINDEX when needed.
* symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
declarations.
(Symbol::shndx): Add is_ordinary parameter. Change all callers.
(Symbol::is_defined): Check is_ordinary.
(Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
(Symbol::is_absolute, Symbol::is_common): Likewise.
(class Sized_symbol): Update declarations.
(class Symbol_table): Update declarations.
* resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
parameters. Change all callers.
(Sized_symbol::override): Likewise.
(Symbol_table::override): Likewise.
(symbol_to_bits): Add is_ordinary parameter. Change all callers.
(Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
is_ordinary, and orig_st_shndx parameters. Change all callers.
* copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
to be in an ordinary section.
* dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
object and is_ordinary parameters. Change all callers.
(Sized_dwarf_line_info::read_relocs): Add object parameter.
Change all callers. Don't add undefined or non-ordinary symbols
to reloc_map_.
(Sized_dwarf_line_info::read_line_mappings): Add object parameter.
Change all callers.
* dwarf_reader.h (class Sized_dwarf_line_info): Update
declarations.
* ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
* reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
(Sized_relobj::relocate_sections): Likewise.
* target-reloc.h (scan_relocs): Adjust section symbol index.
(scan_relocatable_relocs): Likewise.
* i386.cc (Scan::local): Check for ordinary symbols.
* sparc.cc (Scan::local): Likewise.
* x86_64.cc (Scan::local): Likewise.
* testsuite/binary_unittest.cc (Sized_binary_test): Update calls
to symbol_section_and_value.
* testsuite/many_sections_test.cc: New file.
* testsuite/Makefile.am (BUILT_SOURCES): Define.
(check_PROGRAMS): Add many_sections_test.
(many_sections_test_SOURCES): Define.
(many_sections_test_DEPENDENCIES): Define.
(many_sections_test_LDFLAGS): Define.
(BUILT_SOURCES): Add many_sections_define.h.
(many_sections_define.h): New target.
(BUILT_SOURCES): Add many_sections_check.h.
(many_sections_check.h): New target.
(check_PROGRAMS): Add many_sections_r_test.
(many_sections_r_test_SOURCES): Define.
(many_sections_r_test_DEPENDENCIES): Define.
(many_sections_r_test_LDFLAGS): Define.
(many_sections_r_test_LDADD): Define.
(many_sections_r_test.o): New target.
* testsuite/Makefile.in: Rebuild.
2008-04-17 Cary Coutant <ccoutant@google.com>
* errors.cc (Errors::info): New function.
(gold_info): New function.
* errors.h (Errors::info): New function.
* gold.h (gold_info): New function.
* object.cc (Input_objects::add_object): Print trace output.
* options.cc (options::parse_set): New function.
(General_options::parse_wrap): Deleted.
(General_options::General_options): Deleted initializer.
* options.h (options::String_set): New typedef.
(options::parse_set): New function.
(DEFINE_set): New macro.
(General_options::wrap): Changed to use DEFINE_set. Changed
callers of any_wrap_symbols and is_wrap_symbol.
(General_options::trace, General_options::trace_symbol):
New options.
(General_options::any_wrap_symbols, General_options::is_wrap_symbol)
(General_options::wrap_symbols_): Deleted.
* symtab.cc (Symbol_table::add_from_object): Print trace output.
2008-04-17 David S. Miller <davem@davemloft.net>
* options.cc (General_options::parse_V): New function.
* options.h: Add entries for -V and -Qy.
2008-04-17 Ian Lance Taylor <iant@google.com>
* common.cc (Symbol_table::allocate_commons): Remove options
parameter. Change caller.
(Symbol_table::do_allocate_commons): Remove options parameter.
Change caller. Just call do_allocate_commons_list twice.
(Symbol_table::do_allocate_commons_list): New function, broken out
of do_allocate_commons.
* common.h (class Allocate_commons_task): Remove options_ field.
Update constructor.
* symtab.cc (Symbol_table::Symbol_table): Initialize
tls_commons_.
(Symbol_table::add_from_object): Put TLS common symbols on
tls_commons_ list.
(Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
which are IN_OUTPUT_DATA.
* symtab.h (class Symbol_table): Add tls_commons_ field. Update
allocate_commons and do_allocate_commons declarations. Declare
do_allocate_commons_list.
* gold.cc (queue_middle_tasks): Update creation of
Allocate_commons_task to not pass options.
* testsuite/Makefile.am (INCLUDES): Add -I.. .
(TLS_TEST_C_FLAGS): New variable.
(tls_test_c_pic.o): New target.
(tls_test_shared.so): Link in tls_test_c_pic.o.
(tls_test_c_pic_ie.o): New target.
(tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
(tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
(tls_test_c.o): New target.
(tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
(tls_pic_test_LDADD): Likewise.
(tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
(tls_shared_gd_to_ie_test_LDADD): Likewise.
(tls_test_c_gnu2.o): New target.
(tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
tls_test_c_gnu2.o.
(tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
(tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
(tls_test_shared_nonpic.so): Link in tls_test_c.o.
* testsuite/tls_test.cc: Include "config.h".
(t_last): Call t11_last.
* testsuite/tls_test.h (t11, t11_last): Declare.
* testsuite/tls_test_c.c: New file.
* testsuite/tls_test_main.cc (thread_routine): Call t11.
* configure.ac: Check for OpenMP support.
* configure, config.in, Makefile.in: Rebuild.
* testsuite/Makefile.in: Rebuild.
2008-04-16 Cary Coutant <ccoutant@google.com>
* i386.cc (Target_i386::define_tls_base_symbol): New function.
(Target_i386::tls_base_symbol_defined_): New field.
(Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
(Target_i386::Scan::global): Likewise.
* symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
* x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
(Target_x86_64::tls_base_symbol_defined_): New field.
(Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
(Target_x86_64::Scan::global): Likewise.
2008-04-16 Cary Coutant <ccoutant@google.com>
* symtab.h (Symbol::is_strong_undefined): Removed unused function.
(Symbol::needs_plt_entry): Allow weak undefined symbols.
(Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
building shared libraries.
* testsuite/Makefile.am (weak_undef_nonpic_test): New target.
(weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
(weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
* testsuite/Makefile.in: Rebuild.
* testsuite/weak_undef.h: New file.
* testsuite/weak_undef_file1.cc: Add extra test cases.
* testsuite/weak_undef_file2.cc: Likewise.
* testsuite/weak_undef_test.cc: Likewise.
2008-04-16 David S. Miller <davem@davemloft.net>
* sparc.cc (Target_sparc::Scan): Change from struct to class.
Add issued_non_pic_error_ field. Declare check_non_pic.
(Target_sparc::Scan::check_non_pic): New function.
(Target_sparc::Scan::local): Call check_non_pic as appropriate.
(Target_sparc::Scan::global): Likewise.
* configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
* configure: Rebuild.
* options.h (DEFINE_enable): New macro.
(new_dtags): New enable option.
(initfirst, interpose, loadfltr, nodefaultlib,
nodelete, nodlopen, nodump): New -z options.
* layout.cc (Layout:finish_dynamic_section): If new
dtags enabled, emit DT_RUNPATH. Also, emit a
DT_FLAGS_1 containing any specified -z flags.
2008-04-16 Ian Lance Taylor <iant@google.com>
* copy-relocs.cc: New file.
* copy-relocs.h: New file.
* reloc.cc: Remove Copy_relocs code.
* reloc.h: Likewise.
* reloc-types.h (struct Reloc_types) [both versions]: Add
get_reloc_addend_noerror.
* output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
variants of add_global which take an addend which must be zero.
* i386.cc: Include "copy-relocs.h".
(class Target_i386): Change type of copy_relocs_ to variable,
update initializer.
(Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
Change all callers.
(Target_i386::do_finalize_sections): Change handling of
copy_relocs_.
* sparc.cc: Include "copy-relocs.h".
(class Target_sparc): Change type of copy_relocs_ to variable,
update initializer.
(Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
Change all callers.
(Target_sparc::do_finalize_sections): Change handling of
copy_relocs_.
* x86_64.cc: Include "copy-relocs.h".
(class Target_x86_64): Change type of copy_relocs_ to variable,
update initializer.
(Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
class. Change all callers.
(Target_x86_64::do_finalize_sections): Change handling of
copy_relocs_.
* Makefile.am (CCFILES): Add copy-relocs.cc.
(HFILES): Add copy-relocs.h.
* Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
* testsuite/script_test_4.sh: Permit leading zeroes.
2008-04-15 Ian Lance Taylor <iant@google.com>
* script-sections.cc (Script_sections::create_segments): Use
header_size_adjustment even when there is enough room for the
headers.
* testsuite/script_test_4.sh: New file.
* testsuite/script_test_4.t: New file.
* testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
(check_DATA): Add script_test_4.stdout.
(MOSTLYCLEANFILES): Likewise.
(script_test_4): New target.
(script_test_4.stdout): New target.
* testsuite/Makefile.in: Rebuild.
* sparc.cc: Add definitions for Output_data_plt_sparc class
constants.
2008-04-14 David S. Miller <davem@davemloft.net>
* sparc.cc: New file.
* Makefile.am (TARGETSOURCES): Add sparc.cc
(ALL_TARGETOBJS): Add sparc.$(OBJEXT)
* configure.tgt: Document targ_extra_size and
targ_extra_big_endian. Add entries for sparc-* and
sparc64-*.
* configure.ac: Handle targ_extra_size and
targ_extra_big_endian.
* Makefile.in: Rebuild.
* configure: Likewise.
* po/POTFILES.in: Likewise.
* po/gold.pot: Likewise.
2008-04-14 Ian Lance Taylor <iant@google.com>
* layout.cc (Layout::Layout): Initialize sections_are_attached_.
(Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
in the name/type/flags to section mapping. Don't call
allocate_output_section.
(Layout::choose_output_section): Change parameter from adjust_name
to is_input_section. Don't permit input sections after sections
are attached to segments. Don't call allocate_output_section.
(Layout::layout_eh_frame): Call update_flags_for_input_section,
not write_enable_output_section.
(Layout::make_output_section): Don't push to
unattached_section_list_ nor call attach_to_segment. Call
attach_section_to_segment if sections are attached.
(Layout::attach_sections_to_segments): New function.
(Layout::attach_section_to_segment): New function.
(Layout::attach_allocated_section_to_segment): Rename from
attach_to_segment. Remove flags parameter.
(Layout::allocate_output_section): Remove function.
(Layout::write_enable_output_section): Remove function.
* layout.h (class Layout): Update for above changes. Add new
field sections_are_attached_.
* output.h (Output_section::update_flags_for_input_section): New
function.
* output.cc (Output_section::add_input_section): Call
update_flags_for_input_section.
* gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
2008-04-11 Cary Coutant <ccoutant@google.com>
* i386.cc (Target_i386::got_mod_index_entry): Restore code previously
thought unnecessary.
* x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
2008-04-11 Ian Lance Taylor <iant@google.com>
* output.h (class Output_section_data): Remove inline definition
of set_addralign.
* output.cc (Output_section_data::set_addralign): New function.
2008-04-11 Cary Coutant <ccoutant@google.com>
Add support for TLS descriptors for i386 and x86_64.
* i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
(Target_i386::Relocate::tls_desc_gd_to_le): New function.
(Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
GOT_TYPE_TLS_DESC.
(Target_i386::got_mod_index_entry): Remove unnecessary code.
(Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
relocations.
(Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
Fix problem with initial-exec relocations.
(Target_i386::Relocate::relocate_tls): Likewise.
(Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
relaxation.
* output.cc (Output_data_dynamic::Dynamic_entry::write): Add
support for section-plus-offset dynamic table entries.
* output.h (Output_data_dynamic::add_section_plus_offset): New function.
(Output_data_dynamic::Dynamic_entry): Add support for
section-plus-offset dynamic table entries.
(Output_data_dynamic::Classification): Likewise.
(Output_data_dynamic::classification_): Renamed offset_.
* x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
(Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
(Target_x86_64::make_plt_section): New function.
(Target_x86_64::reserve_tlsdesc_entries): New function.
(Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
(Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
(Output_data_plt_x86_64::has_tlsdesc_entry): New function.
(Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
(Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
(Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
(Output_data_plt_x86_64::set_final_data_size): Move out of line;
add extra PLT entry for TLS descriptors.
(Output_data_plt_x86_64::got_): New field.
(Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
(Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
fields.
(Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
descriptors.
(Target_x86_64::make_plt_entry): Factor out make_plt_section.
(Target_x86_64::got_mod_index_entry): Remove unnecessary code.
(Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
R_386_TLS_DESC_CALL relocations.
(Target_x86_64::Scan::global): Likewise.
(Target_x86_64::do_finalize_sections): Add dynamic table entries
for TLS descriptors.
(Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
(Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
GD-to-IE relaxation.
* configure.ac: Export new conditional variables TLS_GNU2_DIALECT
and TLS_DESCRIPTORS.
* Makefile.in: Rebuild.
* configure: Rebuild.
* testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
(tls_test_shared2.so): New target.
(tls_shared_gd_to_ie_test_SOURCES): New variable.
(tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
(tls_shared_gd_to_ie_test_LDFLAGS): New variable.
(tls_shared_gd_to_ie_test_LDADD): New variable.
(tls_shared_gnu2_gd_to_ie_test): New target.
(tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
New targets.
(tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
(ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
(tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
(tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
(tls_shared_gnu2_test): New target.
(tls_test_gnu2_shared.so): New target.
(tls_shared_gnu2_test_SOURCES): New variable.
(tls_shared_gnu2_test_DEPENDENCIES): New variable.
(tls_shared_gnu2_test_LDFLAGS): New variable.
(tls_shared_gnu2_test_LDADD): New variable.
* testsuite/Makefile.in: Rebuild.
* testsuite/Makefile.
2008-04-11 Ian Lance Taylor <iant@google.com>
* testsuite/Makefile.am (justsyms_2r.o): Add dependency on
justsyms.t.
* testsuite/Makefile.in: Rebuild.
* testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
long.
* testsuite/script_test_2.cc (main): Adjust test.
2008-04-11 David S. Miller <davem@davemloft.net>
Ian Lance Taylor <iant@google.com>
* options.h (General_options): Add entries for '-Y' and
'-relax'.
* options.cc (General_options:finalize): If -Y was used, add those
entries to the library path instead of the default "/lib" and
"/usr/lib".
2008-04-11 David S. Miller <davem@davemloft.net>
* testsuite/justsyms.t: Start at 0x100.
* testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
* testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
long.
* testsuite/script_test_2.cc: Adjust string and section length
checks.
2008-04-09 Ian Lance Taylor <iant@google.com>
PR gold/5996
* script-sections.cc (Sections_element::allocate_to_segment): Add
orphan parameter.
(Output_section_definition::allocate_to_segment): Likewise.
(Orphan_output_section::allocate_to_segment): Likewise.
(Script_sections::attach_sections_using_phdrs_clause): Don't
propagate non-PT_LOAD segments to orphan sections.
* testsuite/Makefile.am (script_test_3.stdout): Generate using
readelf rather than objdump.
* testsuite/script_test_3.sh: Adjust accordingly. Test that
.interp section and PT_INTERP segment are the same size.
* testsuite/Makefile.in: Rebuild.
* symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
aliases for symbols defined in the same object.
* testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
(weak_alias_test_SOURCES): New variable.
(weak_alias_test_DEPENDENCIES): New variable.
(weak_alias_test_LDFLAGS): New variable.
(weak_alias_test_LDADD): New variable.
(weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
(weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
(weak_alias_test_3.o): New target.
(weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
* testsuite/weak_alias_test_main.cc: New file.
* testsuite/weak_alias_test_1.cc: New file.
* testsuite/weak_alias_test_2.cc: New file.
* testsuite/weak_alias_test_3.cc: New file.
2008-04-08 Ian Lance Taylor <iant@google.com>
* options.h (class General_options): Add --noinhibit-exec option.
* main.cc (main): Check --noinhibit-exec.
* options.h (class General_options): Define --wrap as a special
option. Add wrap_symbols_ field.
(General_options::any_wrap_symbols): New function.
(General_options::is_wrap_symbol): New function.
* options.cc (General_options::parse_wrap): New function.
(General_options::General_options): Initialize wrap_symbols_.
* symtab.cc (Symbol_table::wrap_symbol): New function.
(Symbol_table::add_from_object): Handle --wrap.
* symtab.h (class Symbol_table): Declare wrap_symbol.
* target.h (Target::wrap_char): New function.
(Target::Target_info): Add wrap_char field.
* i386.cc (Target_i386::i386_info): Initialize wrap_char.
* x86_64.cc (Target_x86_64::x86_64_info): Likewise.
* testsuite/testfile.cc (Target_test::test_target_info):
Likewise.
* errors.cc (Errors::undefined_symbol): Mention symbol version if
there is one.
* layout.h (class Layout): Add added_eh_frame_data_ field.
* layout.cc (Layout::Layout): Initialize new field.
(Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
output section until we find a section we merged successfully.
* object.cc (Sized_relobj::check_eh_frame_flags): Don't require
that the size be non-zero.
* merge.cc (Object_merge_map::get_output_offset): Remove inline
qualifier.
2008-04-08 Craig Silverstein <csilvers@google.com>
* configure.ac: Export new conditional variable HAVE_ZLIB.
* testsuite/Makefile.am (flagstest_o_specialfile): Condition
on HAVE_ZLIB.
(flagstest_o_specialfile_and_compress_debug_sections): Likewise.
* configure, Makefile.in, testsuite/Makefile.in: Rebuild.
2008-04-07 Ian Lance Taylor <iant@google.com>
* version.cc (version_string): Set to "1.5".
* x86_64.cc (Target_x86_64::Scan): Change from struct to class.
Add issued_non_pic_error_ field. Declare check_non_pic.
(Target_x86_64::Scan::check_non_pic): New function.
(Target_x86_64::Scan::local): Call check_non_pic as appropriate.
(Target_x86_64::Scan::global): Likewise.
* output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
addend parameter. Change caller. Handle merge sections.
(Output_reloc<SHT_REL>::symbol_value): Change parameter type from
Address to Addend. Don't add in the result of
local_section_offset, pass down the addend and use the returned
value.
* output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
Update declarations of local_section_offset and symbol_value.
* testsuite/two_file_test_1.cc (t18): New function.
* testsuite/two_file_test_2.cc (f18): New function.
* testsuite/two_file_test_main.cc (main): Call t18.
* testsuite/two_file_test.h (t18, f18): Declare.
* configure.ac: Don't test for objdump, c++filt, or readelf.
* testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
conditionals.
(TEST_READELF): New variable.
(TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
(check_PROGRAMS): Add two_file_strip_test.
(two_file_strip_test): New target.
(check_PROGRAMS): Add two_file_same_shared_strip_test.
(two_file_same_shared_strip_test_SOURCES): New variable.
(two_file_same_shared_strip_test_DEPENDENCIES): New variable.
(two_file_same_shared_strip_test_LDFLAGS): New variable.
(two_file_same_shared_strip_test_LDADD): New variable.
(two_file_shared_strip.so): New target.
(ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
(ver_test_5.syms, ver_test_7.syms): Likewise.
(ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
(strip_test_3.stdout): Use TEST_OBJDUMP.
* configure, Makefile.in, testsuite/Makefile.in: Rebuild.
2008-04-04 Cary Coutant <ccoutant@google.com>
* symtab.h (Symbol::is_weak_undefined): New function.
(Symbol::is_strong_undefined): New function.
(Symbol::is_absolute): New function.
(Symbol::needs_plt_entry): Exclude weak undefined symbols.
(Symbol::needs_dynamic_reloc): Exclude weak undefined and
absolute symbols.
* testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
(weak_undef_test): New target.
* testsuite/Makefile.in: Rebuild.
* testsuite/weak_undef_file1.cc: New file.
* testsuite/weak_undef_file2.cc: New file.
* testsuite/weak_undef_test.cc: New file.
2008-04-03 Craig Silverstein <csilvers@google.com>
* compressed_output.h (class Output_compressed_section): Use
unsigned buffer.
* compressed_output.cc (zlib_compress): Use unsigned buffers,
add zlib header.
(zlib_compressed_suffix): Removed.
(Output_compressed_section::set_final_data_size): Use unsigned
buffers.
* testsuite/Makefile.am (flagstest_compress_debug_sections):
Fix linker invocation.
(flagstest_o_specialfile_and_compress_debug_sections):
Likewise.
* testsuite/Makefile.in: Regenerated.
2008-04-02 David S. Miller <davem@davemloft.net>
* dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
2008-04-02 Craig Silverstein <csilvers@google.com>
* TODO: New file.
2008-04-02 Ian Lance Taylor <iant@google.com>
* fileread.cc (File_read::find_view): Add byteshift and vshifted
parameters. Update for new key type to views_. Change all
callers.
(File_read::read): Adjust for byteshift in returned view.
(File_read::add_view): New function, broken out of
find_and_make_view.
(File_read::make_view): New function, broken out of
find_and_make_view.
(File_read::find_or_make_view): Add offset and aligned
parameters. Rewrite accordingly. Change all callers.
(File_read::get_view): Add offset and aligned parameters. Adjust
for byteshift in return value.
(File_read::get_lasting_view): Likewise.
* fileread.h (class File_read): Update declarations.
(class File_read::View): Add byteshift_ field. Add byteshift to
constructor. Add byteshift method.
* archive.h (Archive::clear_uncached_views): New function.
(Archive::get_view): Add aligned parameter. Change all callers.
* object.h (Object::get_view): Add aligned parameter. Change all
callers.
(Object::get_lasting_view): Likewise.
* fileread.cc (File_read::release): Don't call clear_views if
there are multiple objects.
* fileread.h (File_read::clear_uncached_views): New function.
* archive.cc (Add_archive_symbols::run): Call clear_uncached_views
on the archive.
2008-03-31 Cary Coutant <ccoutant@google.com>
Add thin archive support.
* archive.cc (Archive::armagt): New const.
(Archive::setup): Remove task parameter and calls to unlock.
(Archive::unlock_nested_archives): New function.
(Archive::read_header): Add nested_off parameter. Change
all callers.
(Archive::interpret_header): Likewise.
(Archive::include_all_members): Change to handle thin
archives.
(Archive::include_member): Likewise.
* archive.h (Archive::Archive): Add new parameters and
initializers.
(Archive::armagt): New const.
(Archive::setup): Remove task parameter.
(Archive::unlock_nested_archives): New function.
(Archive::read_header): Add nested_off parameter.
(Archive::interpret_header): Likewise.
(Archive::Nested_archive_table): New typedef.
(Archive::is_thin_archive_): New field.
(Archive::nested_archives_): New field.
(Archive::options_): New field.
(Archive::dirpath_): New field.
(Archive::task_): New field.
* readsyms.cc (Read_symbols::do_read_symbols): Add check
for thin archives. Pass additional parameters to
Archive::Archive. Unlock the archive file after calling
Archive::setup.
2008-03-29 Ian Lance Taylor <iant@google.com>
* symtab.cc (Symbol_table::do_define_as_constant): Don't force a
version symbol to be local.
* testsuite/ver_test_4.sh: New file.
* testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
(check_DATA): Add ver_test_4.syms.
(ver_test_4.syms): New target.
* testsuite/Makefile.in: Rebuild.
* output.cc
(Output_section::Input_section_sort_entry::has_priority): New
function.
(Output_section::Input_section_sort_entry::match_file_name): New
function.
(Output_section::Input_section_sort_entry::match_section_name):
Remove.
(Output_section::Input_section_sort_entry::match_section_name_prefix):
Remove.
(Output_section::Input_section_sort_entry::match_section_file):
Remove.
(Output_section::Input_section_sort_compare::operator()): Rewrite
using new Input_section_sort_entry functions. Sort crtbegin and
crtend first. Sort sections with no priority before sections with
a priority.
* testsuite/initpri1.c (d3): Check j != 4.
(cd5): New constructor/destructor function.
(main): Check j != 2.
* symtab.cc (Symbol_table::add_from_object): If we don't use the
new symbol when resolving, don't call set_is_default.
* testsuite/ver_test_7.cc: New file.
* testsuite/ver_test_7.sh: New file.
* testsuite/Makefile.am (ver_test_7.so): New target.
(ver_test_7.o): New target.
(check_SCRIPTS): Add ver_test_7.sh.
(check_DATA): Add ver_test_7.syms.
(ver_test_7.syms): New target.
2008-03-28 Ian Lance Taylor <iant@google.com>
* layout.cc (Layout::layout): If we see an input section with a
name that needs sorting, set the must_sort flag for the output
section.
(Layout::make_output_section): If the name of the output section
indicates that it might require sorting, set the may_sort flag.
* output.h (Output_section::may_sort_attached_input_sections): New
function.
(Output_section::set_may_sort_attached_input_sections): New
function.
(Output_section::must_sort_attached_input_sections): New
function.
(Output_section::set_must_sort_attached_input_sections): New
function.
(class Output_section): Declare Input_section_sort_entry. Define
Input_section_sort_compare. Declare
sort_attached_input_sections. Add new fields:
may_sort_attached_input_sections_,
must_sort_attached_input_sections_,
attached_input_sections_are_sorted_.
* output.cc (Output_section::Output_section): Initialize new
fields.
(Output_section::add_input_section): Add an entry to
input_sections_ if may_sort or must_sort are true.
(Output_section::set_final_data_size): Call
sort_attached_input_sections if necessary.
(Output_section::Input_section_sort_entry): Define new class.
(Output_section::Input_section_sort_compare::operator()): New
function.
(Output_section::sort_attached_input_sections): New function.
* configure.ac: Check whether the compiler supports constructor
priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
* testsuite/initpri1.c: New file.
* testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
CONSTRUCTOR_PRIORITY.
(initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
(initpri1_LDFLAGS): New variable.
* configure, Makefile.in, testsuite/Makefile.in: Rebuild.
2008-03-27 Ian Lance Taylor <iant@google.com>
* common.cc (Sort_commons::operator): Correct sorting algorithm.
* testsuite/common_test_1.c: New file.
* testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
(common_test_1_SOURCES): New variable.
(common_test_1_DEPENDENCIES): New variable.
(common_test_1_LDFLAGS): New variable.
* symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
and commons_ correctly when NAME/VERSION does not override
NAME/NULL.
* testsuite/ver_test_6.c: New file.
* testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
(ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
(ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
2008-03-26 Ian Lance Taylor <iant@google.com>
* symtab.cc (Symbol_table::add_from_relobj): Don't set the version
of an undefined symbol from a version script.
* testsuite/Makefile.am (ver_test_5.so): New target.
(ver_test_5.o): New target.
(check_SCRIPTS): Add ver_test_5.sh.
(check_DATA): Add ver_test_5.syms.
(ver_test_5.syms): New target.
* testsuite/ver_test_5.cc: New file.
* testsuite/ver_test_5.script: New file.
* testsuite/ver_test_5.sh: New file.
* Makefile.in, testsuite/Makefile.in: Rebuild.
PR gold/5986
Fix problems building gold with gcc 4.3.0.
* gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
(gold_error_at_location, gold_warning_at_location): Use it.
* configure.ac: Check whether we can compile and use a template
function with a printf attribute.
* x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
when jumping over bytes.
* object.cc: Instantiate Object::read_section_data.
* debug.h: Include <cstring>
* dwarf_reader.cc: Include <algorithm>
* main.cc: Include <cstring>.
* options.cc: Include <cstring>.
* output.cc: Include <cstring>.
* script.cc: Include <cstring>.
* script.h: Include <string>.
* symtab.cc: Include <cstring> and <algorithm>.
* target-select.cc: Include <cstring>.
* version.cc: Include <string>.
* testsuite/testmain.cc: Include <cstdlib>.
* configure, config.in: Rebuild.
2008-03-25 Ian Lance Taylor <iant@google.com>
* options.cc: Include "../bfd/bfdver.h".
(options::help): Print bug reporting address.
* version.cc (print_version): Adjust output for current value of
BFD_VERSION_STRING.
* NEWS: New file.
* options.cc (options::help): Print list of supported targets.
* target-select.h: Include <vector>.
(class Target_selector): Make machine_, size_, and is_big_endian_
fields const. Add bfd_name_ and instantiated_target_ fields.
(Target_selector::Target_selector): Add bfd_name parameter.
(Target_selector::recognize): Make non-virtual, call
do_recognize.
(Target_selector::recognize_by_name): Make non-virtual, call
do_recognize_by_name.
(Target_selector::supported_names): New function.
(Target_selector::bfd_name): New function.
(Target_selector::do_instantiate_target): New pure virtual
function.
(Target_selector::do_recognize): New virtual function.
(Target_selector::do_recognize_by_name): New virtual function.
(Target_selector::instantiate_target): New private function.
(supported_target_names): Declare.
* target-select.cc (Target_selector::Target_selector): Update for
new parameter and fields.
(select_target_by_name): Check that the name matches before
calling recognize_by_name.
(supported_target_names): New function.
* i386.cc (class Target_selector_i386): Update Target_selector
constructor call. Remove recognize and recognize_by_name. Add
do_instantiate_target.
* x86_64.cc (class Target_selector_x86_64): Likewise.
* testsuite/testfile.cc (class Target_selector_test): Update for
changes to Target_selector.
* README: Rewrite, with some notes on unsupported features.
2008-03-24 Cary Coutant <ccoutant@google.com>
* i386.cc (Target_i386::Got_type): New enum declaration.
(Target_i386::Scan::local): Updated callers of Output_data_got
member functions.
(Target_i386::Scan::global): Likewise.
(Target_i386::Relocate::relocate): Likewise.
(Target_i386::Relocate::relocate_tls): Likewise.
* object.h (Got_offset_list): New class.
(Sized_relobj::local_has_got_offset): Added got_type parameter.
(Sized_relobj::local_got_offset): Likewise.
(Sized_relobj::set_local_got_offset): Likewise.
(Sized_relobj::local_has_tls_got_offset): Removed.
(Sized_relobj::local_tls_got_offset): Removed.
(Sized_relobj::set_local_tls_got_offset): Removed.
(Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
* output.cc (Output_data_got::add_global): Added got_type parameter.
(Output_data_got::add_global_with_rel): Likewise.
(Output_data_got::add_global_with_rela): Likewise.
(Output_data_got::add_global_pair_with_rel): New function.
(Output_data_got::add_global_pair_with_rela): New function.
(Output_data_got::add_local): Added got_type parameter.
(Output_data_got::add_local_with_rel): Likewise.
(Output_data_got::add_local_with_rela): Likewise.
(Output_data_got::add_local_pair_with_rel): New function.
(Output_data_got::add_local_pair_with_rela): New function.
(Output_data_got::add_global_tls): Removed.
(Output_data_got::add_global_tls_with_rel): Removed.
(Output_data_got::add_global_tls_with_rela): Removed.
(Output_data_got::add_local_tls): Removed.
(Output_data_got::add_local_tls_with_rel): Removed.
(Output_data_got::add_local_tls_with_rela): Removed.
* output.h (Output_data_got::add_global): Added got_type parameter.
(Output_data_got::add_global_with_rel): Likewise.
(Output_data_got::add_global_with_rela): Likewise.
(Output_data_got::add_global_pair_with_rel): New function.
(Output_data_got::add_global_pair_with_rela): New function.
(Output_data_got::add_local): Added got_type parameter.
(Output_data_got::add_local_with_rel): Likewise.
(Output_data_got::add_local_with_rela): Likewise.
(Output_data_got::add_local_pair_with_rel): New function.
(Output_data_got::add_local_pair_with_rela): New function.
(Output_data_got::add_global_tls): Removed.
(Output_data_got::add_global_tls_with_rel): Removed.
(Output_data_got::add_global_tls_with_rela): Removed.
(Output_data_got::add_local_tls): Removed.
(Output_data_got::add_local_tls_with_rel): Removed.
(Output_data_got::add_local_tls_with_rela): Removed.
* resolve.cc (Symbol::override_base_with_special): Removed
reference to has_got_offset_ field.
* symtab.cc (Symbol::init_fields): Replaced initialization
of got_offset_ with got_offsets_. Removed initialization
of has_got_offset_
* symtab.h (Symbol::has_got_offset): Aded got_type parameter.
(Symbol::got_offset): Likewise.
(Symbol::set_got_offset): Likewise.
(Symbol::has_tls_got_offset): Removed.
(Symbol::tls_got_offset): Removed.
(Symbol::set_tls_got_offset): Removed.
(Symbol::got_offset_): Removed.
(Symbol::tls_mod_got_offset_): Removed.
(Symbol::tls_pair_got_offset_): Removed.
(Symbol::got_offsets_): New field.
(Symbol::has_got_offset): Removed.
(Symbol::has_tls_mod_got_offset): Removed.
(Symbol::has_tls_pair_got_offset): Removed.
* x86_64.cc (Target_x86_64::Got_type): New enum declaration.
(Target_x86_64::Scan::local): Updated callers of Output_data_got
member functions.
(Target_x86_64::Scan::global): Likewise.
(Target_x86_64::Relocate::relocate): Likewise.
(Target_x86_64::Relocate::relocate_tls): Likewise.
2008-03-25 Ben Elliston <bje@au.ibm.com>
* yyscript.y: Fix spelling error in comment.
2008-03-24 Ian Lance Taylor <iant@google.com>
* options.h (class General_options): Define build_id option.
* layout.h (class Layout): Declare write_build_id, create_note,
create_build_id. Add build_id_note_ member.
* layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
"libiberty.h", "md5.h", "sha1.h".
(Layout::Layout): Initialize eh_frame_data_,
eh_frame_hdr_section_, and build_id_note_.
(Layout::finalize): Call create_build_id.
(Layout::create_note): New function, broken out of
Layout::create_gold_note.
(Layout::create_gold_note): Call create_note.
(Layout::create_build_id): New function.
(Layout::write_build_id): New function.
(Close_task_runner::run): Call write_build_id.
* x86_64.cc: Correct license to GPLv3.
2008-03-23 Ian Lance Taylor <iant@google.com>
* options.cc: Include "demangle.h".
(parse_optional_string): New function.
(parse_long_option): Handle takes_optional_argument.
(parse_short_option): Update dash_z initializer. Handle
takes_optional_argument.
(General_options::General_options): Initialize do_demangle_.
(General_options::finalize): Set do_demangle_. Handle demangling
style.
* options.h (parse_optional_string): Declare.
(struct One_option): Add optional_arg field. Update constructor.
Update call constructor calls. Add takes_optional_argument
function.
(DEFINE_var): Add optional_arg__ parameter. Change all callers.
(DEFINE_optional_string): Define.
(General_options::demangle): Change from DEFINE_bool to
DEFINE_optional_string.
(General_options::no_demangle): New function.
(General_options::do_demangle): New function.
(General_options::set_do_demangle): New function.
(General_options::execstack_status_): Move definition to end of
class definition.
(General_options::static_): Likewise.
(General_options::do_demangle_): New field.
* object.cc (big_endian>::get_symbol_location_info): Call
Options::do_demangle, not Options::demangle.
* symtab.cc (demangle): Likewise.
2008-03-22 Ian Lance Taylor <iant@google.com>
* gold.h: Include <cstddef> and <sys/types.h>
* options.h: Include <cstring>.
2008-03-21 Ian Lance Taylor <iant@google.com>
* Added source code to GNU binutils.