* symtab.cc (Symbol_table::set_dynsym_indexes): Don't set object
is_needed by weak references. Clear version for symbols defined
in as-needed objects that are not needed.
static and public. Add report_err param. Return false for data refs.
(Target_powerpc::rela_dyn_section): New overloaded function.
(Target_powerpc::plt_, iplt_): Elucidate.
(Output_data_plt_powerpc::entry_count): Handle current_data_size()==0.
(Output_data_plt_powerpc::do_write): Don't write .iplt.
(Output_data_plt_powerpc::plt_entry_count): Don't add .iplt entries.
(Target_powerpc::Scan::local, global): Adjust reloc_needs_plt_for_ifunc
calls. Put ifunc dynamic relocs in irela_dyn_section. Only
push_branch and make_plt_entry for ifunc syms when
reloc_needs_plt_for_ifunc.
(Target_powerpc::Relocate::relocate): Don't use plt entry value
for ifunc unless reloc_needs_plt_for_ifunc.
gold/
* dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add
tu_length parameter. Adjust all callers.
* dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise.
* dwp.cc: Include dwarf.h.
(Section_bounds): New struct type.
(Unit_set): New struct type.
(Dwo_file::Dwo_file): Initialize new data member.
(Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index):
Combine and rename to...
(Dwo_file::read_unit_index): ...this.
(Dwo_file::sized_read_compunit_index)
(Dwo_file::sized_read_typeunit_index): Combine and rename to...
(Dwo_file::sized_read_unit_index): ...this.
(Dwo_file::copy_section): Remove section_name, is_str_offsets
parameters; add section_id parameter.
(Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to...
(Dwo_file::add_unit_set): ...this.
(Dwo_file::shndx_map_): Remove.
(Dwo_file::sect_offsets_): New data member.
(Dwp_output_file::Dwp_output_file): Initialize new data members.
(Dwp_output_file::add_section): Rename to...
(Dwp_output_file::add_contribution): ...this.
(Dwp_output_file::add_cu_set): Combine parameters into a struct.
(Dwp_output_file::add_tu_set): Likewise.
(Dwp_output_file::Contribution): New type.
(Dwp_output_file::Section::contributions): New data member.
(Dwp_output_file::Cu_or_tu_set): Remove.
(Dwp_output_file::Section::Section): New ctor.
(Dwp_output_file::Dwp_index::Shndx_pool): Remove.
(Dwp_output_file::Dwp_index::Section_table): New type.
(Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members.
(Dwp_output_file::Dwp_index::enter_set): Change type of "set"
parameter.
(Dwp_output_file::Dwp_index::shndx_pool): Remove.
(Dwp_output_file::Dwp_index::shndx_pool_end): Remove.
(Dwp_output_file::Dwp_index::section_table): New member function.
(Dwp_output_file::Dwp_index::section_table_end): New member function.
(Dwp_output_file::Dwp_index::shndx_pool_size): Remove.
(Dwp_output_file::Dwp_index::section_table_rows): New member function.
(Dwp_output_file::Dwp_index::section_table_cols): New member function.
(Dwp_output_file::Dwp_index::shndx_pool_): Remove.
(Dwp_output_file::Dwp_index::section_table_): New data member.
(Dwp_output_file::Dwp_index::section_mask_): New data member.
(Dwp_output_file::add_output_section): New member function.
(Dwp_output_file::write_new_section): New member function.
(Dwp_output_file::write_contributions): New member function.
(Dwp_output_file::section_id_map_): New data member.
(class Dwo_id_info_reader): Remove.
(class Unit_reader): New class.
(get_dwarf_section_name): New function.
(Dwo_file::read_executable): Adjust initializations of class data.
(Dwo_file::read): Add support for v2 package file format.
(Dwo_file::read_unit_index): Likewise.
(Dwo_file::sized_read_unit_index): Likewise.
(Dwo_file::copy_section): Likewise.
(Dwo_file::add_unit_set): Likewise.
(Dwp_output_file::add_output_section): Likewise.
(Dwp_output_file::add_contribution): Likewise.
(Dwp_output_file::Dwp_index::find_or_add): Use row index to check
for empty slot.
(Dwp_output_file::Dwp_index::enter_set): Add support for v2 package
file format.
(Dwp_output_file::Dwp_index::grow): Use row index to check for empty
slot.
(Dwp_output_file::initialize): Remove unused function.
(Dwp_output_file::finalize): Add support for v2 package file format.
(Dwp_output_file::write_index): Likewise.
* gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust
function prototype.
* dwarf_reader.cc (Dwarf_info_reader::check_buffer): Move
function into class definition in header file.
(Dwarf_info_reader::warn_corrupt_debug_section): New function.
* dwarf_reader.h (Dwarf_info_reader::warn_corrupt_debug_section):
New function.
(Dwarf_info_reader::check_buffer): Move here from .cc file.
* target.cc (Target::do_plt_fde_location): New function.
* ehframe.h (class FDE): Add post_map field to u_.from_linker,
accessor function, and constructor param.
(struct Post_fde, Post_fdes): Declare.
(Cie::write): Add post_fdes param.
* ehframe.cc (Fde::write): Use plt_fde_location.
(struct Post_fde): Define.
(Cie::write): Stash FDEs added post merge mapping.
(Eh_frame::add_ehframe_for_plt): Assert no new CIEs after mapping.
Adjust Fde constructor call. Bump final_data_size_ for post map FDEs.
(Eh_frame::do_sized_write): Arrange to write post map FDES after
other FDEs.
* powerpc.cc (Target_powerpc::do_plt_fde_location): New function.
(Target_powerpc::has_glink): New function.
(Target_powerpc::do_relax): Add eh_frame info for stubs.
(struct Eh_cie, eh_frame_cie, glink_eh_frame_fde_64,
glink_eh_frame_fde_32, default_fde): New data.
(Stub_table::eh_frame_added_): New var.
(Stub_table::find_long_branch_entry, stub_address, stub_offset):
Make const.
(Stub_table::add_eh_frame): New function.
(Output_data_glink::add_eh_frame): New function.
(Target_powerpc::make_glink_section): Call add_eh_frame.
2013-01-24 Sriraman Tallam <tmsriram@google.com>
* layout.cc (Layout::layout): Check for option text_reorder.
(Layout::make_output_section): Ditto.
* options.h (text_reorder): New option.
* output.cc (Input_section_sort_compare): Remove special ordering
of section names.
(Output_section::
Input_section_sort_section_name_special_ordering_compare::
operator()): New function.
(Output_section::sort_attached_input_sections): Use new sort function
for .text.
* output.h (Input_section_sort_section_name_special_ordering_compare):
New struct.
* testsuite/Makefile.am (text_section_grouping): Test option
--no-text-reorder
* testsuite/Makefile.in: Regenerate.
* testsuite/text_section_grouping.sh: Check order of functions without
default text reordering.
The "new" dtags options have been around for 14+ years, and for all the
targets that gold supports, these flags have always existed. So enable
them by default.
Having behavior be different from ld.bfd isn't new, and this behavior
is the "better" one, so there shouldn't be a problem based on that.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
The "new" dtags options have been around for 14+ years, so there
shouldn't be a need to generate both new & old tags anymore.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
* layout.cc (Layout::layout): Do not do default sorting for
text sections when section ordering is specified.
(make_output_section): Ditto.
* testsuite/plugin_final_layout.cc: Name the function sections
to catch reordering issues.
linker plugins work. This patch lets linker scripts take precedence.
2013-01-09 Sriraman Tallam <tmsriram@google.com>
* output.h (sort_attached_input_sections): Change to be public.
* script-sections.cc
(Output_section_definition::set_section_addresses): Sort
attached input sections according to section order before linker
script assigns section addresses.
(Orphan_output_section::set_section_addresses): Sort
attached input sections according to section order before linker
script assigns section addresses.
* Makefile.am (final_layout.sh): Use a simple linker script to
check if section ordering still works.
* Makefile.in: Regenerate.
(Target_arm::attributes_forbid_div): New function.
(Target_arm::merge_object_attributes): Merge the Tag_DIV_use
attribute using the same new functions as what bfd/elf32_arm.c
does.
PR gold/14993
* output.cc (Output_section::add_input_section): For incremental
updates, don't track input sections that are allocated from patch
space.
PR gold/14897
* configure.ac (--enable-ld): Removed.
(install_as_default): Set to yes only for --enable-gold=default
or --disable-ld.
* configure: Regenerated.
function.
(Layout::layout): If input section requires special ordering, must
sort input sections.
(Layout::make_output_section): May sort .text input sections.
(Layout::is_section_name_prefix_grouped): Remove.
* layout.h (class Layout): Declare
special_ordering_of_input_section. Don't declare
is_section_name_prefix_grouped.
* output.cc (Output_section::add_input_section): Revert last
change.
(Output_section::Input_section_sort::match_file_name): Don't crash
if called on output section data.
(Output_section::Input_section_sort_compare): Sort based on
special ordering.
(Output_section::Input_section_sort_section_order_index_compare):
Revert last patch.
(Output_section::sort_attached_input_sections): Likewise.
by default.
2012-12-18 Sriraman Tallam <tmsriram@google.com>
* layout.cc (Layout::is_section_name_prefix_grouped): New function.
* layout.h (Layout::is_section_name_prefix_grouped): New function.
* output.cc (Output_section::add_input_section): Check if section
name contains special prefix. Keep input sections to sort such
sections.
(Output_section::Input_section_sort_section_order_index_compare
::operator()): Group sections according to prefixes.
* (Output_section::sort_attached_input_sections): Add condition
to Input_section_entry constructor call.
* testsuite/Makefile.am (text_section_grouping): New test.
* testsuite/Makefile.in: Regenerate.
* testsuite/text_section_grouping.cc: New file.
* testsuite/text_section_grouping.sh: New file.
(class Relocate, class Scan): Inherit Track_tls.
(Target_powerpc::Scan::local, global): Track tls optimization
and avoid creating plt entry for __tls_get_addr if all uses
are optimized away.
(Target_powerpc::Relocate::relocate): Update to use Track_tls.
* testsuite/binary_unittest.cc (read_all): New function.
(Sized_binary_test): Use it instead of ::read.
* fileread.cc (do_read): Don't assume pread always reads the whole
amount in a single call.
