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.
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.
* 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.
segments.
2012-08-24 Sriraman Tallam <tmsriram@google.com>
* gold.cc (queue_middle_tasks): Call layout again when unique
segments for sections is desired.
* layout.cc (Layout::Layout): Initialize new members.
(Layout::get_output_section_flags): New function.
(Layout::choose_output_section): Call get_output_section_flags.
(Layout::layout): Make output section for mapping to a unique segment.
(Layout::insert_section_segment_map): New function.
(Layout::attach_allocated_section_to_segment): Make unique segment for
output sections marked so.
(Layout::segment_precedes): Check for unique segments when sorting.
* layout.h (Layout::Unique_segment_info): New struct.
(Layout::Section_segment_map): New typedef.
(Layout::insert_section_segment_map): New function.
(Layout::get_output_section_flags): New function.
(Layout::is_unique_segment_for_sections_specified): New function.
(Layout::set_unique_segment_for_sections_specified): New function.
(Layout::unique_segment_for_sections_specified_): New member.
(Layout::section_segment_map_): New member.
* object.cc (Sized_relobj_file<size, big_endian>::do_layout):
Rename is_gc_pass_one to is_pass_one.
Rename is_gc_pass_two to is_pass_two.
Rename is_gc_or_icf to is_two_pass.
Check for which pass based on whether symbols data is present.
Make it two pass when unique segments for sections is desired.
* output.cc (Output_section::Output_section): Initialize new
members.
* output.h (Output_section::is_unique_segment): New function.
(Output_section::set_is_unique_segment): New function.
(Output_section::is_unique_segment_): New member.
(Output_section::extra_segment_flags): New function.
(Output_section::set_extra_segment_flags): New function.
(Output_section::extra_segment_flags_): New member.
(Output_section::segment_alignment): New function.
(Output_section::set_segment_alignment): New function.
(Output_section::segment_alignment_): New member.
(Output_segment::Output_segment): Initialize is_unique_segment_.
(Output_segment::is_unique_segment): New function.
(Output_segment::set_is_unique_segment): New function.
(Output_segment::is_unique_segment_): New member.
* plugin.cc (allow_unique_segment_for_sections): New function.
(unique_segment_for_sections): New function.
(Plugin::load): Add new functions to transfer vector.
* Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output.
* Makefile.in: Regenerate.
* testsuite/plugin_final_layout.sh: Check if unique segment
functionality works.
* testsuite/plugin_section_order.c (onload): Check if new interfaces
are available.
(allow_unique_segment_for_sections): New global.
(unique_segment_for_sections): New global.
(claim_file_hook): Call allow_unique_segment_for_sections.
(all_symbols_read_hook): Call unique_segment_for_sections.
2012-08-24 Sriraman Tallam <tmsriram@google.com>
* plugin-api.h (ld_plugin_allow_unique_segment_for_sections):
New interface.
(ld_plugin_unique_segment_for_sections): New interface.
(LDPT_ALLOW_UNIQUE_SEGMENT_FOR_SECTIONS): New enum val.
(LDPT_UNIQUE_SEGMENT_FOR_SECTIONS): New enum val.
(tv_allow_unique_segment_for_sections): New member.
(tv_unique_segment_for_sections): New member.
* script-sections.cc (Sections_element::output_section_name): Add
keep return parameter.
(Output_section_element::match_name): Add keep return parameter.
Return the value of the keep_ member.
* script-sections.h (class Output_section): Update
output_section_name prototype.
* layout.cc (Layout::keep_input_section): New public member
function.
(Layout::choose_output_section): Pass keep parameter to
output_section_name.
* layout.h (class Layout): Add keep_input_section.
* object.cc (Sized_relobj_file::do_layout): Check for kept input
sections.
* testsuite/Makefile.am: Add a test.
* testsuite/Makefile.in: Regenerate.
* testsuite/pr14265.c: Source file for the test.
* testsuite/pr14265.t: Linker script for the test.
* testsuite/pr14265.sh: Shell script for the test.
* ld-gc/gc.exp: Add a new test.
* ld-gc/pr14265.c: Source file for the new test.
* ld-gc/pr14265.t: Linker script for the new test.
* ld-gc/pr14265.d: Expected symbol dump.
PR gold/14344
* configure.ac: Add check for -gpubnames support.
* configure: Regenerate.
* testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
support; force -gno-pubnames.
(gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
support.
(gdb_index_test_4): New test.
* testsuite/Makefile.in: Regenerate.
* testsuite/gdb_index_test_1.sh: Refactor code into common file.
* testsuite/gdb_index_test_2.sh: Likewise.
* testsuite/gdb_index_test_3.sh: Don't look for space after colon.
* testsuite/gdb_index_test_4.sh: New script.
* testsuite/gdb_index_test_comm.sh: New script with common code;
don't look for space after colon.
* configure: Regenerate.
gold/
* nacl.cc: New file.
* nacl.h: New file.
* Makefile.am (CCFILES, HFILES): Add them.
* Makefile.in: Regenerate.
* i386.cc (Output_data_plt_i386_nacl): New class.
(Output_data_plt_i386_nacl_exec): New class.
(Output_data_plt_i386_nacl_dyn): New class.
(Target_i386_nacl): New class.
(Target_selector_i386_nacl): New class.
(target_selector_i386): Use it instead of Target_selector_i386.
* x86_64.cc (Output_data_plt_x86_64_nacl): New class.
(Target_x86_64_nacl): New class.
(Target_selector_x86_64_nacl): New class.
(target_selector_x86_64, target_selector_x32): Use it instead of
Target_selector_x86_64.
* arm.cc (Output_data_plt_arm_nacl): New class.
(Target_arm_nacl): New class.
(Target_selector_arm_nacl): New class.
(target_selector_arm, target_selector_armbe): Use it instead of
Target_selector_arm.
* target-select.cc (select_target): Take new Input_file* and off_t
arguments, pass them on to recognize method of selector.
* object.cc (make_elf_sized_object): Update caller.
* parameters.cc (parameters_force_valid_target): Likewise.
* incremental.cc (make_sized_incremental_binary): Likewise.
* target-select.h: Update decl.
(Target_selector::recognize): Take new Input_file* argument,
pass it on to do_recognize.
(Target_selector::do_recognize): Take new Input_file* argument.
* freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
* powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
* sparc.cc (Target_selector_sparc::do_recognize): Likewise.
* testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
* target.h (Target::Target_info): New members isolate_execinstr
and rosegment_gap.
(Target::isolate_execinstr, Target::rosegment_gap): New methods.
* arm.cc (Target_arm::arm_info): Update initializer.
* i386.cc (Target_i386::i386_info): Likewise.
* powerpc.cc (Target_powerpc::powerpc_info): Likewise.
* sparc.cc (Target_sparc::sparc_info): Likewise.
* x86_64.cc (Target_x86_64::x86_64_info): Likewise.
* testsuite/testfile.cc (Target_test::test_target_info): Likewise.
* layout.cc (Layout::attach_allocated_section_to_segment):
Take new const Target* argument. If target->isolate_execinstr(), act
like --rosegment.
(Layout::find_first_load_seg): Take new const Target* argument;
if target->isolate_execinstr(), reject PF_X segments.
(Layout::relaxation_loop_body): Update caller.
(Layout::set_segment_offsets): If target->isolate_execinstr(),
reset file offset to zero when we hit LOAD_SEG, and then do a second
loop over the segments before LOAD_SEG to reassign offsets after
addresses have been determined. Handle target->rosegment_gap().
(Layout::attach_section_to_segment): Take new const Target* argument;
pass it to attach_allocated_section_to_segment.
(Layout::make_output_section): Update caller.
(Layout::attach_sections_to_segments): Take new const Target* argument;
pass it to attach_section_to_segment.
* gold.cc (queue_middle_tasks): Update caller.
* layout.h (Layout): Update method decls with new arguments.
* arm.cc (Target_arm::Target_arm): Take optional argument for the
Target_info pointer to use.
(Target_arm::do_make_data_plt): New virtual method.
(Target_arm::make_data_plt): New method that calls it.
(Target_arm::make_plt_entry): Use it.
(Output_data_plt_arm::Output_data_plt_arm): Take additional argument
for the section alignment.
(Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
method.
(Output_data_plt_arm::first_plt_entry_offset): Call it.
(Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
method.
(Output_data_plt_arm::get_plt_entry_size): Call it.
(Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
(Output_data_plt_arm::fill_plt_entry): New method that calls it.
(Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
method.
(Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
(Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
method instead of sizeof(plt_entry).
(Output_data_plt_arm::add_entry): Likewise.
Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
(Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
than static method.
(Target_arm::plt_entry_size): Likewise.
(Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
Move to ...
(Output_data_plt_arm_standard): ... here, new class.
(Output_data_plt_arm::do_write): Move guts of PLT filling to...
(Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
(Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
* x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
Take additional argument for the PLT entry size.
(Output_data_plt_x86_64::get_tlsdesc_plt_offset):
Use get_plt_entry_size method rather than plt_entry_size variable.
(Output_data_plt_x86_64::reserve_slot): Likewise.
(Output_data_plt_x86_64::do_adjust_output_section): Likewise.
(Output_data_plt_x86_64::add_entry): Likewise.
(Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
(Output_data_plt_x86_64::address_for_global): Likewise.
(Output_data_plt_x86_64::address_for_local): Likewise.
(Output_data_plt_x86_64::set_final_data_size): Likewise.
(Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
Make method non-static.
(Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
method.
(Output_data_plt_x86_64::get_plt_entry_size): Just call that.
(Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
(Output_data_plt_x86_64::add_eh_frame): New method to call it.
(Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
virtual method.
(Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
(Output_data_plt_x86_64::do_fill_plt_entry): New abstract
virtual method.
(Output_data_plt_x86_64::fill_plt_entry): New method to call it.
(Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
virtual method.
(Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
(Output_data_plt_x86_64::plt_entry_size)
(Output_data_plt_x86_64::first_plt_entry)
(Output_data_plt_x86_64::plt_entry)
(Output_data_plt_x86_64::tlsdesc_plt_entry)
(Output_data_plt_x86_64::plt_eh_frame_fde_size)
(Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
(Output_data_plt_x86_64_standard): ... here, new class.
(Target_x86_64::Target_x86_64): Take optional argument for the
Target_info pointer to use.
(Target_x86_64::do_make_data_plt): New virtual method.
(Target_x86_64::make_data_plt): New method to call it.
(Target_x86_64::init_got_plt_for_update): Use that.
Call this->plt_->add_eh_frame method here.
(Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
(Target_x86_64::first_plt_entry_offset): Call method on this->plt_
rather than static method.
(Target_x86_64::plt_entry_size): Likewise.
(Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
rather than plt_entry_size variable. Move guts of PLT filling to...
(Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
(Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
(Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
* i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
additional argument for the section alignment.
Don't do add_eh_frame_for_plt here.
(Output_data_plt_i386::first_plt_entry_offset): Make the method
non-static. Use get_plt_entry_size method rather than plt_entry_size
variable.
(Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
method.
(Output_data_plt_i386::get_plt_entry_size): Call it.
(Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
(Output_data_plt_i386::add_eh_frame): New method to call it.
(Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
method.
(Output_data_plt_i386::fill_first_plt_entry): New method to call it.
(Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
method.
(Output_data_plt_i386::fill_plt_entry): New method to call it.
(Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
method instead of plt_entry_size.
(Output_data_plt_i386::plt_entry_size)
(Output_data_plt_i386::plt_eh_frame_fde_size)
(Output_data_plt_i386::plt_eh_frame_fde): Move to ...
(Output_data_plt_i386_standard): ... here, new class.
(Output_data_plt_i386_exec): New class.
(Output_data_plt_i386::exec_first_plt_entry): Move to ...
(Output_data_plt_i386_exec::first_plt_entry): ... here.
(Output_data_plt_i386::exec_plt_entry): Move to ...
(Output_data_plt_i386_exec::plt_entry): ... here.
(Output_data_plt_i386_dyn): New class.
(Output_data_plt_i386::first_plt_entry): Move to ...
(Output_data_plt_i386_dyn::first_plt_entry): ... here.
(Output_data_plt_i386::dyn_plt_entry): Move to ...
(Output_data_plt_i386_dyn::plt_entry): ... here.
(Target_i386::Target_i386): Take optional argument for the Target_info
pointer to use.
(Target_i386::do_make_data_plt): New virtual method.
(Target_i386::make_data_plt): New method to call it.
(Target_i386::make_plt_section): Use that.
Call this->plt_->add_eh_frame method here.
(Output_data_plt_i386::add_entry): Use get_plt_entry_size method
rather than plt_entry_size variable.
(Output_data_plt_i386::add_local_ifunc_entry): Likewise.
(Output_data_plt_i386::address_for_local): Likewise.
(Output_data_plt_i386::do_write): Likewise.
Move guts of PLT filling to...
(Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
(Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
(Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
(Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
Change-Id: Id24b95600489835ff5e860a39c147203d4380c2b
* dwarf_reader.cc (Dwarf_die::address_attribute): New function.
* dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
* gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
DW_AT_high_pc as offset from DW_AT_low_pc.
* testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
* testsuite/Makefile.in: Regenerate.
* testsuite/gdb_index_test_3.c: New test source file.
* testsuite/gdb_index_test_3.sh: New test source file.
* Makefile.am: Add gdb-index.cc, gdb-index.h.
* Makefile.in: Regenerate.
* dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
(Sized_elf_reloc_mapper::symbol_section): New function.
(Sized_elf_reloc_mapper::do_get_reloc_target): New function.
(make_elf_reloc_mapper): New function.
(Dwarf_abbrev_table::clear_abbrev_codes): New function.
(Dwarf_abbrev_table::do_read_abbrevs): New function.
(Dwarf_abbrev_table::do_get_abbrev): New function.
(Dwarf_ranges_table::read_ranges_table): New function.
(Dwarf_ranges_table::read_range_list): New function.
(Dwarf_pubnames_table::read_section): New function.
(Dwarf_pubnames_table::read_header): New function.
(Dwarf_pubnames_table::next_name): New function.
(Dwarf_die::Dwarf_die): New function.
(Dwarf_die::read_attributes): New function.
(Dwarf_die::skip_attributes): New function.
(Dwarf_die::set_name): New function.
(Dwarf_die::set_linkage_name): New function.
(Dwarf_die::attribute): New function.
(Dwarf_die::string_attribute): New function.
(Dwarf_die::int_attribute): New function.
(Dwarf_die::uint_attribute): New function.
(Dwarf_die::ref_attribute): New function.
(Dwarf_die::child_offset): New function.
(Dwarf_die::sibling_offset): New function.
(Dwarf_info_reader::check_buffer): New function.
(Dwarf_info_reader::parse): New function.
(Dwarf_info_reader::do_parse): New function.
(Dwarf_info_reader::do_read_string_table): New function.
(Dwarf_info_reader::lookup_reloc): New function.
(Dwarf_info_reader::get_string): New function.
(Dwarf_info_reader::visit_compilation_unit): New function.
(Dwarf_info_reader::visit_type_unit): New function.
(Sized_dwarf_line_info::Sized_dwarf_line_info): Use
Sized_elf_reloc_mapper.
(Sized_dwarf_line_info::symbol_section): Remove function.
(Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
(Sized_dwarf_line_info::read_line_mappings): Remove object
parameter, adjust callers.
(Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
* dwarf_reader.h: Include <sys/types.h>.
(class Track_relocs): Remove forward declaration.
(class Elf_reloc_mapper): New class.
(class Sized_elf_reloc_mapper): New class.
(class Dwarf_abbrev_table): New class.
(class Dwarf_range_list): New class.
(class Dwarf_ranges_table): New class.
(class Dwarf_pubnames_table): New class.
(class Dwarf_die): New class.
(class Dwarf_info_reader): New class.
(Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
(Sized_dwarf_line_info::symbol_section): Remove member function.
* dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
base class.
* gdb-index.cc: New source file.
* gdb-index.h: New source file.
* incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
and .debug_types sections, call Layout::add_to_gdb_index.
(Sized_relobj_incr::do_section_name): Implement.
(Sized_relobj_incr::do_section_contents): Adjust parameter list and
return type; Implement.
(Sized_incr_dynobj::do_section_contents): Adjust parameter list and
return type.
* incremental.h (Sized_relobj_incr::do_section_contents): Adjust
parameter list and return type.
(Sized_incr_dynobj::do_section_contents): Likewise.
* layout.cc: Include gdb-index.h.
(Layout::Layout): Initialize gdb_index_data_.
(Layout::init_fixed_output_section): Check for .gdb_index section.
(Layout::add_to_gdb_index): New function. Instantiate.
* layout.h: Add forward declaration for class Gdb_index.
(Layout::add_to_gdb_index): New member function.
(Layout::gdb_index_data_): New data member.
* main.cc: Include gdb-index.h.
(main): Print statistics for gdb index.
* object.cc (Object::section_contents): Move code into
do_section_contents.
(need_decompressed_section): Check for sections needed when building
gdb index.
(build_compressed_section_map): Likewise.
(Sized_relobj_file::do_read_symbols): Need local symbols when building
gdb index.
(Sized_relobj_file::do_layout): Track .debug_info and .debug_types
sections; call Layout::add_to_gdb_index.
(Sized_relobj_file::do_decompressed_section_contents): Call
do_section_contents directly.
* object.h (Object::do_section_contents): Adjust parameter list and
return type.
(Object::do_decompressed_section_contents): Call do_section_contents
directly.
(Sized_relobj_file::do_section_contents): Adjust parameter list and
return type.
* options.h (class General_options): Add --gdb-index option.
* plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
list and return type.
* plugin.h (Sized_pluginobj::do_section_contents): Likewise.
* reloc.h (Track_relocs::checkpoint): New function.
(Track_relocs::reset): New function.
* testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
New test cases.
* testsuite/Makefile.in: Regenerate.
* testsuite/gdb_index_test.cc: New test source file.
* testsuite/gdb_index_test_1.sh: New test source file.
* testsuite/gdb_index_test_2.sh: New test source file.
* arm.cc (Target_arm::do_define_standard_symbols): New method.
(Target_arm::do_finalize_sections): Remove code which defines
__exidx_start and __exidx_end. Make symbol table parameter
anonymous as it is not used.
* gold.cc (queue_middle_tasks): Call target hook to define any
target-specific symbols.
* target.h (Target::define_standard_symbols): New method.
(Target::do_define_standard_symbols): Same.
* testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
* testsuite/Makefile.in: Regenerate.
* testsuite/arm_exidx.s: Generate data relocations for __exidx_start
and __exidx_end.
* testsuite/arm_exidx_test.sh: Check that no unused dynamic
relocations are generated for __exidx_start and __exidx_end.
definition and ...
(read_unsigned_LEB_128_x): ... this new function.
(read_signed_LEB_128): Replaced with inline definition and ...
(read_signed_LEB_128_x): ... this new function.
* int_encoding.h (read_unsigned_LEB_128_x): New function.
(read_unsigned_LEB_128): Add inline definition.
(read_signed_LEB_128_x): New function.
(read_signed_LEB_128): Add inline definition.
* testsuite/Makefile.am (leb128_unittest): New unit test.
* testsuite/Makefile.in: Regenerate.
* testsuite/leb128_unittest.cc: New unit test.
we are working around the ARM1176 Erratum.
* options.h (General_options::fix_arm1176): Add option.
* testsuite/Makefile.am: Add testcases, and keep current ones
working.
* testsuite/Makefile.in: Regenerate.
* testsuite/arm_fix_1176.s: New file.
* testsuite/arm_fix_1176.sh: Likewise.
* expression.cc (Expression::eval_with_dot): Add
is_section_dot_assignment parameter.
(Expression::eval_maybe_dot): Likewise. Adjust value when rhs is
absolute and assigning to dot within a section.
* script-sections.cc
(Output_section_element_assignment::set_section_addresses): Pass
dot_section to set_if_absolute.
(Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
as is_section_dot_assignment flag to eval_with_dot.
(Output_section_element_dot_assignment::set_section_addresses):
Likewise.
* script.cc (Symbol_assignment::set_if_absolute): Add dot_section
parameter. Also set value if relative to dot_section; set the
symbol's output_section.
* script.h (Expression::eval_with_dot): Add is_section_dot_assignment
parameter. Adjust all callers.
(Expression::eval_maybe_dot): Likewise.
(Symbol_assignment::set_if_absolute): Add dot_section parameter.
Adjust all callers.
* testsuite/script_test_2.t: Test assignment of an absolute value
to dot within an output section element.
* plugin.cc (is_visible_from_outside): Check for symbols
referenced from dynamic objects.
* resolve.cc (Symbol_table::resolve): Don't count references
from dynamic objects as references from real ELF files.
* testsuite/plugin_test_2.sh: Adjust expected result.
* layout.h (section_order_map_): New member.
(get_section_order_map): New member function.
* output.cc (Output_section::add_input_section): Check for patterns
only when --section-ordering-file is specified.
* gold.cc (queue_middle_tasks): Delay updating order of sections till
output_sections have been formed.
* layout.cc (Layout_Layout): Initialize section_order_map_.
* plugin.cc (update_section_order): Store order in order_map. Do not
update the order.
* testsuite/Makefile.am: Add test case for plugin_final_layout.
* testsuite/Makefile.in: Regenerate.
* testsuite/plugin_section_order.c: New file.
* testsuite/plugin_final_layout.cc: New file.
* testsuite/plugin_final_layout.sh: New file.
remaining hole size when allocating.
(Layout::make_output_section): Set fill methods for debug sections.
* layout.h (Free_list::Free_list_node): Move from private to
public.
(Free_list::set_min_hole_size): New function.
(Free_list::begin, Free_list::end): New functions.
(Free_list::min_hole_): New data member.
* output.cc: Include dwarf.h.
(Output_fill_debug_info::do_minimum_hole_size): New function.
(Output_fill_debug_info::do_write): New function.
(Output_fill_debug_line::do_minimum_hole_size): New function.
(Output_fill_debug_line::do_write): New function.
(Output_section::Output_section): Initialize new data member.
(Output_section::set_final_data_size): Ensure patch space is larger
than minimum hole size.
(Output_section::do_write): Fill holes in debug sections.
* output.h (Output_fill): New class.
(Output_fill_debug_info): New class.
(Output_fill_debug_line): New class.
(Output_section::set_free_space_fill): New function.
(Output_section::free_space_fill_): New data member.
* testsuite/Makefile.am (incremental_test_3): Add
--incremental-patch option.
(incremental_test_4): Likewise.
(incremental_test_5): Likewise.
(incremental_test_6): Likewise.
(incremental_copy_test): Likewise.
(incremental_common_test_1): Likewise.
* testsuite/Makefile.in: Regenerate.
the -Ttext option is not 0 modulo the page size. If we clear
load_seg, clear phdr_seg too.
* testsuite/Makefile.am (check_PROGRAMS): Add flagstest_o_ttext_1.
(flagstest_o_ttext_1): New target.
(check_DATA): Add flagstest_o_ttext_2.
(flagstest_o_ttext_2): New target.
* testsuite/Makefile.in: Rebuild.
* plugin-api.h
(ld_plugin_section): New struct.
(ld_plugin_get_section_count): New typedef.
(ld_plugin_get_section_type): New typedef.
(ld_plugin_get_section_name): New typedef.
(ld_plugin_get_section_contents): New typedef.
(ld_plugin_update_section_order): New typedef.
(ld_plugin_allow_section_ordering): New typedef.
(LDPT_GET_SECTION_COUNT): New enum value.
(LDPT_GET_SECTION_TYPE): New enum value.
(LDPT_GET_SECTION_NAME): New enum value.
(LDPT_GET_SECTION_CONTENTS): New enum value.
(LDPT_UPDATE_SECTION_ORDER): New enum value.
(LDPT_ALLOW_SECTION_ORDERING): New enum value.
(tv_get_section_count): New struct members.
(tv_get_section_type): New struct members.
(tv_get_section_name): New struct members.
(tv_get_section_contents): New struct members.
(tv_update_section_order): New struct members.
(tv_allow_section_ordering): New struct members.
* archive.cc (Archive::get_elf_object_for_member): Add extra parameter
to claim_file call.
* layout.cc (Layout::Layout): Initialize section_ordering_specified_,
input_section_position_, and input_section_glob_.
(read_layout_from_file): Call function section_ordering_specified.
* layout.h (is_section_ordering_specified): New function.
(section_ordering_specified): New function.
(section_ordering_specified_): New boolean member.
* main.cc(main): Call load_plugins after layout object is defined.
* output.cc (Output_section::add_input_section): Use
function section_ordering_specified to check if section ordering is
needed.
* output.cc (Output_section::add_relaxed_input_section): Use
function section_ordering_specified to check if section ordering is
needed.
(Output_section::update_section_layout): New function.
(Output_section::sort_attached_input_sections): Check if input section
must be reordered.
* output.h (Output_section::update_section_layout): New function.
* plugin.cc (get_section_count): New function.
(get_section_type): New function.
(get_section_name): New function.
(get_section_contents): New function.
(update_section_order): New function.
(allow_section_ordering): New function.
(Plugin::load): Add the new interfaces to the transfer vector.
(Plugin_manager::load_plugins): New parameter.
(Plugin_manager::all_symbols_read): New parameter.
(Plugin_manager::claim_file): New parameter. Save the elf object for
unclaimed objects.
(Plugin_manager::get_elf_object): New function.
(Plugin_manager::get_view): Change to directly use the bool to check
if get_view is called from claim_file_hook.
* plugin.h (input_objects): New function
(Plugin__manager::load_plugins): New parameter.
(Plugin_manager::claim_file): New parameter.
(Plugin_manager::get_elf_object): New function.
(Plugin_manager::in_claim_file_handler): New function.
(Plugin_manager::in_claim_file_handler_): New member.
(layout): New function.
* readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
handler with an extra parameter. Make the elf object before calling
claim_file handler.
* testsuite/plugin_test.c (get_section_count): New function pointer.
(get_section_type): New function pointer.
(get_section_name): New function pointer.
(get_section_contents): New function pointer.
(update_section_order): New function pointer.
(allow_section_ordering): New function pointer.
(onload): Check if the new interfaces exist.
* i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
GLOB_DAT relocation rather than a RELATIVE relocation for a
protected symbol when creating a shared library.
* x86_64.cc (Target_x86_64::Scan::global): Likewise.
* testsuite/protected_1.cc (f2, get_f2_addr): New functions.
* testsuite/protected_main_1.cc (main): Test that protected
function has same address.
* target.h (Target::plt_address_for_global): New function.
(Target::plt_address_for_local): New function.
(Target::plt_section_for_global): Remove.
(Target::plt_section_for_local): Remove.
(Target::do_plt_address_for_global): New virtual function.
(Target::do_plt_address_for_local): New virtual function.
(Target::do_plt_section_for_global): Remove.
(Target::do_plt_section_for_local): Remove.
(Target::register_global_plt_entry): Add Symbol_table and Layout
parameters.
* output.cc (Output_data_got::Got_entry::write): Use
plt_address_for_global and plt_address_for_local.
* layout.cc (Layout::add_target_dynamic_tags): Use size and
address of output section.
* i386.cc (class Output_data_plt_i386): Add irelative_rel_,
got_irelative_, and irelative_count_ fields. Update
declarations.
(Output_data_plt_i386::has_irelative_section): New function.
(Output_data_plt_i386::entry_count): Add irelative_count_.
(Output_data_plt_i386::set_final_data_size): Likewise.
(class Target_i386): Add got_irelative_ and rel_irelative_
fields. Update declarations.
(Target_i386::Target_i386): Initialize new fields.
(Target_i386::do_plt_address_for_global): New function replacing
do_plt_section_for_global.
(Target_i386::do_plt_address_for_local): New function replacing
do_plt_section_for_local.
(Target_i386::got_section): Create got_irelative_.
(Target_i386::rel_irelative_section): New function.
(Output_data_plt_i386::Output_data_plt_i386): Initialize new
fields. Don't define __rel_iplt_{start,end}.
(Output_data_plt_i386::add_entry): Add symtab and layout
parameters. Change all callers. Use different PLT and GOT for
IFUNC symbols.
(Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
layout parameters. Change all callers. Use different PLT and
GOT.
(Output_data_plt_i386::rel_tls_desc): Fix formatting.
(Output_data_plt_i386::rel_irelative): New function.
(Output_data_plt_i386::address_for_global): New function.
(Output_data_plt_i386::address_for_local): New function.
(Output_data_plt_i386::do_write): Write out IRELATIVE area. Use
IRELATIVE GOT when changing IFUNC GOT entries.
(Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
reloc.
(Target_i386::do_finalize_sections): Create the __rel_iplt symbols
if we didn't create an IRELATIVE GOT.
(Target_i386::Relocate::relocate): Use plt_address_for_global and
plt_address_for_local.
(Target_i386::do_dynsym_value): Use plt_address_for_global.
* x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
got_irelative_, and irelative_count_ fields. Update
declarations.
(Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
Initialize new fields. Remove symtab parameter. Change all
callers.
(Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
irelative_count_.
(Output_data_plt_x86_64::has_irelative_section): New function.
(Output_data_plt_x86_64::entry_count): Add irelative_count_.
(class Target_x86_64): Add got_irelative_ and rel_irelative_
fields. Update declarations.
(Target_x86_64::Target_x86_64): Initialize new fields.
(Target_x86_64::do_plt_address_for_global): New function replacing
do_plt_section_for_global.
(Target_x86_64::do_plt_address_for_local): New function replacing
do_plt_section_for_local.
(Target_x86_64::got_section): Create got_irelative_.
(Target_x86_64::rela_irelative_section): New function.
(Output_data_plt_x86_64::init): Remove symtab parameter. Change
all callers. Don't create __rel_iplt_{start,end}.
(Output_data_plt_x86_64::add_entry): Add symtab and layout
parameters. Change all callers. Use different PLT and GOT for
IFUNC symbols.
(Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
layout parameters. Change all callers. Use different PLT and
GOT.
(Output_data_plt_x86_64::add_relocation): Add symtab and layout
parameters. Change all callers. Use different PLT and GOT for
IFUNC symbols.
(Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
(Output_data_plt_x86_64::rela_irelative): New function.
(Output_data_plt_x86_64::address_for_global): New function.
(Output_data_plt_x86_64::address_for_local): New function.
(Output_data_plt_x86_64::set_final_data_size): Likewise.
(Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
(Target_x86_64::init_got_plt_for_update): Create got_irelative_.
(Target_x86_64::register_global_plt_entry): Add symtab and layout
parameters.
(Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
reloc.
(Target_x86_64::do_finalize_sections): Create the __rela_iplt
symbols if we didn't create an IRELATIVE GOT.
(Target_x86_64::Relocate::relocate): Use plt_address_for_global and
plt_address_for_local.
(Target_x86_64::do_dynsym_value): Use plt_address_for_global.
* testsuite/ifuncvar1.c: New test file.
* testsuite/ifuncvar2.c: New test file.
* testsuite/ifuncvar3.c: New test file.
* testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
(ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
(ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
(ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
* testsuite/Makefile.in: Rebuild.
input file index to Script_info ctor.
(Sized_incremental_binary::do_file_has_changed): Find the
command-line argument for files named in scripts.
* incremental.h (Script_info::Script_info): New ctor
with input file index.
(Script_info::input_file_index): New function.
(Script_info::input_file_index_): New data member.
(Incremental_binary::get_library): Add const.
(Incremental_binary::get_script_info): Add const.
* readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
* testsuite/Makefile.am (incremental_test_5): New test case.
(incremental_test_6): New test case.
* testsuite/Makefile.in: Regenerate.
--incremental-patch option.
* layout.cc (Free_list::allocate): Extend allocation beyond original
end if enabled.
(Layout::make_output_section): Mark sections that should get
patch space.
* options.cc (parse_percent): New function.
* options.h (parse_percent): New function.
(DEFINE_percent): New macro.
(General_options): Add --incremental-patch option.
* output.cc (Output_section::Output_section): Initialize new data
members.
(Output_section::add_input_section): Print section name when out
of patch space.
(Output_section::add_output_section_data): Likewise.
(Output_section::set_final_data_size): Add patch space when
doing --incremental-full.
(Output_section::do_reset_address_and_file_offset): Remove patch
space.
(Output_segment::set_section_list_addresses): Print debug output
only if --incremental-update.
* output.h (Output_section::set_is_patch_space_allowed): New function.
(Output_section::is_patch_space_allowed_): New data member.
(Output_section::patch_space_): New data member.
* parameters.cc (Parameters::incremental_full): New function.
* parameters.h (Parameters::incremental_full): New function
* testsuite/Makefile.am (incremental_test_2): Add test for
--incremental-patch option.
* testsuite/Makefile.in: Regenerate.
* testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
(t18): Remove function body.
PR gold/12771
* arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
Arm_Address type for relocation result.
(Arm_relocate_functions::abs16): Use unaligned access. Also fix
overflow check.
(Arm_relocate_functions::abs32): Use unaligned access.
(Arm_relocate_functions::rel32): Ditto.
(Arm_relocate_functions::prel31): Ditto.
(Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
* testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
static data relocations.
* testsuite/Makefile.in: Regnerate.
* testsuite/arm_unaligned_reloc.{s,sh}: New files.
PR gold/12952
* resolve.cc (Symbol::override_base_with_special): Don't override
the version if the overriding symbol has a different name.
* dynobj.cc (Versions::add_def): Add dynpool parameter. Change
all callers. If we give an error about an undefined version,
define the base version if necessary.
* dynobj.h (class Versions): Update declaration.
* testsuite/weak_alias_test_5.cc: New file.
* testsuite/weak_alias_test.script: New file.
* testsuite/weak_alias_test_main.cc: Check that versioned_symbol
and versioned_alias have the right value, and call t2.
* testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
weak_alias_test_5.so.
(weak_alias_test_LDADD): Likewise.
(weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
* testsuite/Makefile.in: Rebuild.
* configure.ac: Test whether static linking works, setting
the automake conditional HAVE_STATIC.
* testsuite/Makefile.am: Disable tests using -static if
HAVE_STATIC is not true.
* configure, testsuite/Makefile.in: Rebuild.
* target-select.cc (Target_selector::Target_selector): Add
emulation parameter. Change all callers.
(select_target_by_bfd_name): Rename from select_target_by_name.
Change all callers.
(select_target_by_emulation): New function.
(supported_emulation_names): New function.
* target-select.h (class Target_selector): Add emulation_ field.
Update declarations.
(Target_selector::recognize_by_bfd_name): Rename from
recognize_by_name. Change all callers.
(Target_selector::supported_bfd_names): Rename from
supported_names. Change all callers.
(Target_selector::recognize_by_emulation): New function.
(Target_selector::supported_emulations): New function.
(Target_selector::emulation): New function.
(Target_selector::do_recognize_by_bfd_name): Rename from
do_recognize_by_name. Change all callers.
(Target_selector::do_supported_bfd_names): Rename from
do_supported_names. Change all callers.
(Target_selector::do_recognize_by_emulation): New function.
(Target_selector::do_supported_emulations): New function.
(select_target_by_bfd_name): Change name in declaration.
(select_target_by_emulation): Declare.
(supported_emulation_names): Declare.
* parameters.cc (parameters_force_valid_target): Try to find
target based on emulation from -m option.
* options.h (class General_options): Change doc string for -m.
* options.cc (help): Print emulations.
(General_options::parse_V): Likewise.
* freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
Add emulation parameter. Change all callers.
* arm.cc (Arm_relocate_functions::thm_jump8,
Arm_relocate_functions::thm_jump11): Use a wider signed
type to compute offset.
* testsuite/Makefile.am: Add new tests arm_thm_jump11 and
arm_thm_jump8.
* testsuite/Makefile.in: Regenerate.
* testsuite/arm_branch_in_range.sh: Check test results of
arm_thm_jump11 and arm_thm_jump8.
* testsuite/arm_thm_jump11.s: New test source file.
* testsuite/arm_thm_jump11.t: New linker script.
* testsuite/arm_thm_jump8.s: New test source file.
* testsuite/arm_thm_jump8.t: New linker script.
(ctors_sections_in_init_array): New static variable.
(Layout::is_ctors_in_init_array): New function.
(Layout::layout): Add entry to ctors_sections_in_init_array if
appropriate.
* layout.h (class Layout): Declare is_ctors_in_init_array.
* reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
is_ctors_reverse_view is set.
(Sized_relobj_file::write_sections): Add layout parameter. Change
all callers. Set is_ctors_reverse_view field of View_size.
(Sized_relobj_file::reverse_words): New function.
* object.h (Sized_relobj_file::View_size): Add
is_ctors_reverse_view field.
(class Sized_relobj_file): Update declarations.
* testsuite/initpri3.c: New test.
* testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
initpri3b.
(initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
(initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
(initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
(initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
* testsuite/Makefile.in: Rebuild.
(debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
(debug_msg_cdebug.err): New targets.
* testsuite/Makefile.in: Regenerate.
* testsuite/debug_msg.sh: Check output of link with compressed debug.
Fix checks for link with shared library.
* arm.cc (Arm_output_section::append_text_sections_to_list): Do not
skip empty text sections.
* testsuite/arm_exidx_test.s: Test handling of an empty text section.
* options.h (class General_options): Add --ctors-in-init-array.
* layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
friends as SHT_PROGBITS for merging sections.
(Layout::layout): Remove special handling of .init_array and
friends. Don't sort if doing relocatable link. Sort for .ctors
and .dtors if ctors_in_init_array.
(Layout::make_output_section): Force correct section types for
.init_array and friends. Don't sort if doing relocatable link,
Don't sort .ctors and .dtors if ctors_in_init_array.
(Layout::section_name_mapping): Remove .ctors. and .dtorso.
(Layout::output_section_name): Add relobj parameter. Change all
callers. Handle .ctors. and .dtors. in code rather than table.
Handle .ctors and .dtors if ctors_in_init_array.
(Layout::match_file_name): New function, moved from output.cc.
* layout.h (class Layout): Update declarations.
* output.cc: Include "layout.h".
(Input_section_sort_entry::get_priority): New function.
(Input_section_sort_entry::match_file_name): Just call
Layout::match_file_name.
(Output_section::Input_section_sort_init_fini_compare::operator()):
Handle .ctors and .dtors. Sort by explicit priority rather than
by name.
* configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
* testsuite/initpri2.c: New test.
* testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
(check_PROGRAMS): Add initpri2.
(initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
(initpri2_LDFLAGS, initpri2_LDADD): New variables.
* configure, testsuite/Makefile.in: Rebuild.
incremental_test_4.
* testsuite/Makefile.in: Regenerate.
* testsuite/two_file_test_1_v1.cc: New test source file.
* testsuite/two_file_test_1b_v1.cc: New test source file.
* testsuite/two_file_test_2_v1.cc: New test source file.
info; adjust display of GOT entries.
* incremental.cc (Sized_incremental_binary::setup_readers): Allocate
vector of input objects; remove file_status_.
(Sized_incremental_binary::do_reserve_layout): Remove file_status_.
(Sized_incremental_binary::do_process_got_plt): Adjust calls to
got_plt reader; call target hooks to reserve GOT entries.
(Output_section_incremental_inputs::set_final_data_size): Adjust size
of input file info header and GOT info entry.
(Output_section_incremental_inputs::write_info_blocks): Write dynamic
relocation info.
(Got_plt_view_info::got_descriptor): Remove.
(Got_plt_view_info::sym_index): New data member.
(Got_plt_view_info::input_index): New data member.
(Local_got_offset_visitor::visit): Write input file index.
(Global_got_offset_visitor::visit): Write 0 for input file index.
(Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
with sym_index and input_index.
(Output_section_incremental_inputs::write_got_plt): Adjust size of
incremental info GOT entry; replace got_descriptor with input_index.
(Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
map from input file index to object.
(Sized_relobj_incr::do_layout): Replace direct data member reference
with accessor function.
(Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
* incremental.h (Incremental_input_entry_reader::get_symbol_offset):
Adjust size of input file info header.
(Incremental_input_entry_reader::get_first_dyn_reloc): New function.
(Incremental_input_entry_reader::get_dyn_reloc_count): New function.
(Incremental_input_entry_reader::get_input_section): Adjust size of
input file info header.
(Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
of incremental info GOT entry.
(Incremental_got_plt_reader::get_got_desc): Remove.
(Incremental_got_plt_reader::get_got_symndx): New function.
(Incremental_got_plt_reader::get_got_input_index): New function.
(Sized_incremental_binary::Sized_incremental_binary): Remove
file_status_; add input_objects_.
(Sized_incremental_binary::~Sized_incremental_binary): Remove.
(Sized_incremental_binary::set_file_is_unchanged): Remove.
(Sized_incremental_binary::file_is_unchanged): Remove.
(Sized_incremental_binary::set_input_object): New function.
(Sized_incremental_binary::input_object): New function.
(Sized_incremental_binary::file_status_): Remove.
(Sized_incremental_binary::input_objects_): New data member.
(Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
references.
(Sized_relobj_incr::invalid_address): Move to base class.
(Sized_relobj_incr::is_output_section_offset_invalid): Move to base
class.
(Sized_relobj_incr::do_output_section_offset): Likewise.
(Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
(Sized_relobj_incr::section_offsets_): Likewise.
* object.cc (Sized_relobj::do_for_all_local_got_entries): New
function.
(Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
(Sized_relobj_file::layout_section): Replace refs to section_offsets_
with accessor function.
(Sized_relobj_file::do_layout): Likewise.
(Sized_relobj_file::do_layout_deferred_sections): Likewise.
(Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
(Sized_relobj_file::compute_final_local_value): Replace refs to
section_offsets_ with accessor function.
(Sized_relobj_file::do_finalize_local_symbols): Likewise.
* object.h (Relobj::Relobj): Initialize new data members.
(Relobj::add_dyn_reloc): New function.
(Relobj::first_dyn_reloc): New function.
(Relobj::dyn_reloc_count): New function.
(Relobj::first_dyn_reloc_): New data member.
(Relobj::dyn_reloc_count_): New data member.
(Sized_relobj): Rename Sized_relobj_base to this; adjust all
references.
(Sized_relobj::Address): New typedef.
(Sized_relobj::invalid_address): Move here from child class.
(Sized_relobj::Sized_relobj): Initialize new data members.
(Sized_relobj::sized_relobj): New function.
(Sized_relobj::is_output_section_offset_invalid): Move here from
child class.
(Sized_relobj::get_output_section_offset): Likewise.
(Sized_relobj::local_has_got_offset): Likewise.
(Sized_relobj::local_got_offset): Likewise.
(Sized_relobj::set_local_got_offset): Likewise.
(Sized_relobj::do_for_all_local_got_entries): Likewise.
(Sized_relobj::clear_got_offsets): New function.
(Sized_relobj::section_offsets): Move here from child class.
(Sized_relobj::do_output_section_offset): Likewise.
(Sized_relobj::do_set_section_offset): Likewise.
(Sized_relobj::Local_got_offsets): Likewise.
(Sized_relobj::local_got_offsets_): Likewise.
(Sized_relobj::section_offsets_): Likewise.
(Sized_relobj_file): Rename Sized_relobj to this; adjust all
references.
(Sized_relobj_file::is_output_section_offset_invalid): Move to base
class.
(Sized_relobj_file::sized_relobj): New function
(Sized_relobj_file::local_has_got_offset): Move to base class.
(Sized_relobj_file::local_got_offset): Likewise.
(Sized_relobj_file::set_local_got_offset): Likewise.
(Sized_relobj_file::get_output_section_offset): Likewise.
(Sized_relobj_file::do_for_all_local_got_entries): Likewise.
(Sized_relobj_file::do_output_section_offset): Likewise.
(Sized_relobj_file::do_set_section_offset): Likewise.
(Sized_relobj_file::Local_got_offsets): Likewise.
(Sized_relobj_file::local_got_offsets_): Likewise.
(Sized_relobj_file::section_offsets_): Likewise.
* output.cc (Output_reloc::Output_reloc): Adjust type of relobj
(all constructors).
(set_needs_dynsym_index): Convert relobj to derived class pointer.
(Output_reloc::get_symbol_index): Likewise.
(Output_reloc::local_section_offset): Likewise.
(Output_reloc::get_address): Likewise.
(Output_reloc::symbol_value): Likewise.
(Output_data_got::reserve_slot): Move to class definition.
(Output_data_got::reserve_local): New function.
(Output_data_got::reserve_slot_for_global): Remove.
(Output_data_got::reserve_global): New function.
* output.h (Output_reloc::Output_reloc): Adjust type of relobj
(all constructors, two instantiations).
(Output_reloc::get_relobj): New function (two instantiations).
(Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
(Output_data_reloc_base::add): Convert relobj to derived class pointer.
(Output_data_reloc::add_global): Adjust type of relobj.
(Output_data_reloc::add_global_relative): Likewise.
(Output_data_reloc::add_symbolless_global_addend): Likewise.
(Output_data_reloc::add_local): Likewise.
(Output_data_reloc::add_local_relative): Likewise.
(Output_data_reloc::add_symbolless_local_addend): Likewise.
(Output_data_reloc::add_local_section): Likewise.
(Output_data_reloc::add_output_section): Likewise.
(Output_data_reloc::add_absolute): Likewise.
(Output_data_reloc::add_target_specific): Likewise.
(Output_data_got::reserve_slot): Move definition here.
(Output_data_got::reserve_local): New function.
(Output_data_got::reserve_global): New function.
* reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
section_offsets_ with accessor function.
(Sized_relobj_file::write_sections): Likewise.
(Sized_relobj_file::do_relocate_sections): Likewise.
* target.h (Sized_target::reserve_local_got_entry): New function.
(Sized_target::reserve_global_got_entry): New function.
* x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
(Target_x86_64::reserve_global_got_entry): New function.
(Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
* incremental-dump.cc (dump_incremental_inputs): Mask high-order
bit when checking got_type.
* incremental.cc (Sized_incremental_binary::setup_readers):
Store symbol table and string table locations; initialize bit vector
of file status flags.
(Sized_incremental_binary::do_reserve_layout): Set bit flag for
unchanged files.
(Sized_incremental_binary::do_process_got_plt): New function.
(Sized_incremental_binary::get_symtab_view): Use stored locations.
(Output_section_incremental_inputs::set_final_data_size): Record
file index for each input file.
(Output_section_incremental_inputs::write_got_plt): Store file index
instead of input entry offset for each GOT entry.
* incremental.h
(Incremental_input_entry::Incremental_input_entry): Initialize new
data member.
(Incremental_input_entry::set_offset): Store file index.
(Incremental_input_entry::get_file_index): New function.
(Incremental_input_entry::file_index_): New data member.
(Incremental_binary::process_got_plt): New function.
(Incremental_binary::do_process_got_plt): New function.
(Sized_incremental_binary::Sized_incremental_binary): Initialize new
data members.
(Sized_incremental_binary::~Sized_incremental_binary): New destructor.
(Sized_incremental_binary::set_file_is_unchanged): New function.
(Sized_incremental_binary::file_is_unchanged): New function.
(Sized_incremental_binary::do_process_got_plt): New function.
(Sized_incremental_binary::file_status_): New data member.
(Sized_incremental_binary::main_symtab_loc_): New data member.
(Sized_incremental_binary::main_strtab_loc_): New data member.
* output.cc (Output_data_got::Got_entry::write): Add case
RESERVED_CODE.
(Output_data_got::add_global): Call add_got_entry.
(Output_data_got::add_global_plt): Likewise.
(Output_data_got::add_global_with_rel): Likewise.
(Output_data_got::add_global_with_rela): Likewise.
(Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
(Output_data_got::add_global_pair_with_rela): Likewise.
(Output_data_got::add_local): Call add_got_entry.
(Output_data_got::add_local_plt): Likewise.
(Output_data_got::add_local_with_rel): Likewise.
(Output_data_got::add_local_with_rela): Likewise.
(Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
(Output_data_got::add_local_pair_with_rela): Likewise.
(Output_data_got::reserve_slot): New function.
(Output_data_got::reserve_slot_for_global): New function.
(Output_data_got::add_got_entry): New function.
(Output_data_got::add_got_entry_pair): New function.
(Output_section::add_output_section_data): Edit FIXME.
* output.h
(Output_section_data_build::Output_section_data_build): New
constructor with size parameter.
(Output_data_space::Output_data_space): Likewise.
(Output_data_got::Output_data_got): Initialize new data member; new
constructor with size parameter.
(Output_data_got::add_constant): Call add_got_entry.
(Output_data_got::reserve_slot): New function.
(Output_data_got::reserve_slot_for_global): New function.
(class Output_data_got::Got_entry): Add RESERVED_CODE.
(Output_data_got::add_got_entry): New function.
(Output_data_got::add_got_entry_pair): New function.
(Output_data_got::free_list_): New data member.
* target.h (Sized_target::init_got_plt_for_update): New function.
(Sized_target::register_global_plt_entry): New function.
* x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
Initialize new data member; call init; add constructor with PLT count.
(Output_data_plt_x86_64::init): New function.
(Output_data_plt_x86_64::add_relocation): New function.
(Output_data_plt_x86_64::reserve_slot): New function.
(Output_data_plt_x86_64::free_list_): New data member.
(Target_x86_64::init_got_plt_for_update): New function.
(Target_x86_64::register_global_plt_entry): New function.
(Output_data_plt_x86_64::add_entry): Allocate from free list for
incremental updates.
(Output_data_plt_x86_64::add_relocation): New function.
* testsuite/object_unittest.cc (Object_test): Set default options.
* arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
flag of a SHT_ARM_EXIDX section.
* testsuite/Makefile.am (arm_exidx_test): New test rules.
* testsuite/Makefile.in: Regenerate.
* testsuite/arm_exidx_test.s: New file.
* testsuite/arm_exidx_test.sh: Same.
but mark earlier ones as non-canonical
(offset_to_iterator): Update search target and example
(do_addr2line): Return extra lines in a vector*
(format_file_lineno): Extract from do_addr2line
(one_addr2line): Add vector* out-param
* dwarf_reader.h (Offset_to_lineno_entry): New field recording
when a lineno entry appeared last for its instruction
(Dwarf_line_info): Add vector* out-param
* object.cc (Relocate_info): Pass NULL for the vector* out-param
* symtab.cc (Odr_violation_compare): Include the lineno in the
comparison again.
(linenos_from_loc): New. Combine the canonical line for an
address with its other lines.
(True_if_intersect): New. Helper functor to make
std::set_intersection a query.
(detect_odr_violations): Compare sets of lines instead of just
one line for each function. This became less deterministic, but
has fewer false positives.
* symtab.h: Declarations.
* testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
mix an optimized and non-optimized object in the same binary
(odr_violation2.so): Same.
* testsuite/Makefile.in: Regenerate from Makefile.am.
* testsuite/debug_msg.cc (main): Make OdrDerived classes.
* testsuite/debug_msg.sh: Update line numbers and add
assertions.
* testsuite/odr_violation1.cc: Use OdrDerived, in a
non-optimized context.
* testsuite/odr_violation2.cc: Make sure Ordering::operator()
isn't inlined, and use OdrDerived in an optimized context.
* testsuite/odr_header1.h: Defines OdrDerived, where
optimization will change the
first-instruction-in-the-destructor's file and line number.
* testsuite/odr_header2.h: Defines OdrBase.
* x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
for R_X86_64_32 and R_X86_64_PC32.
* testsuite/Makefile.am (ver_matching_def.so): Depend on and use
ver_matching_def_pic.o.
(ver_matching_def_pic.o): New target.
segment that has been aligned for relro.
* output.cc (Output_segment::set_section_addresses): Change signature;
adjust all callers. Account for alignment when totalling
size of relro sections.
* output.h (Output_segment::set_section_addresses): Change signature.
* testsuite/Makefile.am (relro_test.sh, relro_test.stdout): New
targets.
* testsuite/Makefile.in: Regenerate.
* testsuite/relro_test.cc: Add alignment attributes to test proper
alignment of relro sections when padding is necessary.
* testsuite/relro_test.sh: New script.
(debug_string_to_enum): Add DEBUG_INCREMENTAL).
* gold.cc (queue_initial_tasks): Check parameters for incremental link
mode.
* incremental.cc (report_command_line): Ignore all forms of
--incremental.
* layout.cc (Layout::Layout): Check parameters for incremental link
mode.
* options.cc (General_options::parse_incremental): New function.
(General_options::parse_no_incremental): New function.
(General_options::parse_incremental_full): New function.
(General_options::parse_incremental_update): New function.
(General_options::incremental_mode_): New data member.
(General_options::finalize): Check incremental_mode_.
* options.h (General_options): Update help text for --incremental.
Add --no-incremental, --incremental-full, --incremental-update.
(General_options::Incremental_mode): New enum type.
(General_options::incremental_mode): New function.
(General_options::incremental_mode_): New data member.
* parameters.cc (Parameters::incremental_mode_): New data member.
(Parameters::set_options): Set incremental_mode_.
(Parameters::set_incremental_full): New function.
(Parameters::incremental): New function.
(Parameters::incremental_update): New function.
(set_parameters_incremental_full): New function.
* parameters.h (Parameters::set_incremental_full): New function.
(Parameters::incremental): New function.
(Parameters::incremental_update): New function.
(Parameters::incremental_mode_): New data member.
(set_parameters_incremental_full): New function.
* plugin.cc (Plugin_manager::add_input_file): Check parameters for
incremental link mode.
* reloc.cc (Sized_relobj::do_read_relocs): Likewise.
(Sized_relobj::do_relocate_sections): Likewise.
* testsuite/Makefile.am (incremental_test): Use --incremental-full
option.
* testsuite/Makefile.in: Regenerate.
* testsuite/incremental_test.sh: Filter all forms of --incremental.
current_lma_offset_ field. Rename current_vma_offset_ to
current_offset_. Add last_section_ field.
(Memory_region::get_current_vma_address): Rename to
get_current_address.
(Memory_region::get_current_lma_address): Delete.
(Memory_region::increment_vma_offset): Rename to
increment_offset.
(Memory_region::increment_lma_offset): Delete.
(Memory_region::attributes_compatible): New method. Returns
true if the provided section is compatible with the region.
(Memory_region::get_last_section): New method. Returns the last
section to use the region.
(Memory_region::set_last_section): New method. Stores the last
section to use the region.
(Script_sections::block_in_region): New method. Returns true if
a block of memory is contained within a region.
(Script_sections::find_memory_region): New method. Locates a
memory region to be used to set a VMA or LMA address.
(Output_section_definition::set_section_addresses): Add code to
check for addresses set by memory regions.
(Output_segment::set_section_addresses): Remove memory region
walking code.
(Script_sections::create_segment): Add a warning if a header
segment is created outside of any region.
* script-sections.h (class Script_sections): Add prototypes for
find_memory_region and block_in_region methods.
* testsuite/memory_test.s: Use .long instead of .word.
* testsuite/memory_test.t: Add some more output sections.
* testsuite/memory_test.sh: Update expected output.
* ld.texinfo: Update description of computation of VMA and LMA
addresses for output sections.
* ld-scripts/rgn-at5.t: Add some more output sections.
* ld-scripts/rgn-at5.d: Update expected output.
* arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
defintion if relocation uses GOT entries of the symbol.
* testsuite/icf_safe_test.sh: Fix test.
* testsuite/icf_safe_so_test.sh: Fix test.
position-independent executables to shared libraries need dynamic
relocations.
(Symbol::may_need_copy_reloc): Do not generate COPY relocs in
position-independent executables.
* testsuite/Makefile.am (two_file_mixed_pie_test): New test.
* testsuite/Makefile.in: Regenerate.
2010-09-09 H.J. Lu <hongjiu.lu@intel.com>
PR gold/11996
* object.cc (Sized_relobj::do_finalize_local_symbols): Remove
"This::" to work around a bug in gcc 4.2.
* testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
