* 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.
plt_thread_safe. Update stub_group_size help text.
* powerpc.cc (Target_powerpc::plt_thread_safe): New access function
for new plt_thread_safe_ var.
(use_plt_offset): Correct comments.
(Target_powerpc::do_relax): Look for thread creation symbols to
determine default plt_thread_safe value. Clear plt call stubs
as well as branch stubs each iteration.
(add_2_2_11, add_12_12_11, bnectr_p4, cmpldi_2_0, xor_11_11_11): New
insn constants.
(l, hi, ha, write_insn): Move earlier.
(Stub_table): Delete prev_size, add last_plt_size and last_branch_size.
(Stub_table::clear_stubs): Rename from clear_long_branch_stubs, clear
plt stubs too.
(Stub_table::update_size): Adjust.
(Stub_table::prev_size, set_prev_size): Delete.
(Stub_table::stub_align): Let --plt-align affect result.
(Stub_table::plt_call_size): Calculate sizes for various stubs.
(Stub_table::branch_stub_size): Use last_plt_size in address calc.
(Stub_table::add_plt_call_stub): Pass iterator to plt_call_size.
(Stub_table::do_write): Support more stub variants.
* layout.cc (Layout::get_executable_sections): New function.
* arm.cc (Target_arm::group_sections): Use it.
(Arm_output_section::group_sections): Delete now redundant test.
* output.cc (Output_reloc::Output_reloc): Add is_relative.
param to handle relative relocs.
* output.h (Output_reloc::Output_reloc <absolute reloc>): Likewise.
(Output_data_reloc::add_absolute): Adjust.
(Output_data_reloc::add_relative): New function.
(Output_data::reset_data_size): New function.
(Output_relaxed_input_section::set_relobj, set_shndx): New functions.
(Output_section::set_addralign): New function.
(Output_section::checkpoint_set_addralign): New function.
(Output_section::clear_section_offsets_need_adjustment): New function.
(Output_section::input_sections): Make public.
* powerpc.cc (class Output_data_brlt_powerpc): New.
(class Stub_table, class Stub_control): New.
(Powerpc_relobj::has14_, set_has_14bit_branch, has_14bit_branch,
stub_table_, set_stub_table, stub_table): New vectors and accessor
functions.
(Target_powerpc::do_may_relax, do_relax, push_branch,
new_stub_table, stub_tables, brlt_section, group_sections,
add_branch_lookup_table, find_branch_lookup_table,
write_branch_lookup_table, make_brlt_section): New functions.
(Target_powerpc::struct Sort_sections, class Branch_info): New.
(Target_powerpc::brlt_section_, stub_tables_, branch_lookup_table_,
branch_info_): New vars.
(Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Don't
make call stubs here.
(Output_data_glink): Remove all call stub handling from this class.
(Target_powerpc::Scan::local, global): Save interesting branch
relocs and relocs for ifunc. Adjust calls to plt entry functions.
(Target_powerpc::do_finalize_sections): Only make reg save/restore
functions on final link.
(Target_powerpc::Relocate::relocate): Adjust lookup of call stubs.
Handle long branch destinations too.
(Target_powerpc::do_dynsym_value, do_plt_address_for_global,
do_plt_address_for_local): Adjust lookup of plt call stubs.
* elf32-arm.c (elf32_arm_nacl_plt0_entry): Use bic rather than bfc
instruction for data sandboxing.
gold/
* arm.cc (Output_data_plt_arm_nacl::first_plt_entry): Use bic rather
than bfc instruction for data sandboxing.
(struct Opd_ent): Use "Address" rather than "Offset".
(Output_data_got_powerpc::got_base_offset): Return Valtype.
(Target_powerpc::got_section): Make public.
(Target_powerpc::scan_relocs): Move code setting symbols..
(Powerpc_relobj::do_scan_relocs): ..to here, new function.
Create _SDA_BASE_ only when referenced.
* dwarf_reader.cc (Sized_elf_reloc_mapper::symbol_section): Cast
SYMNDX to off_t before comparing it to this->data_size().
* output.cc (Output_symtab_xindex::endian_do_write): Likewise.
* incremental.cc (Output_section_incremental_inputs::do_write):
Cast GLOBAL_SYM_COUNT to off_t before comparing it to SYMTAB_SIZE.
