* arm.cc (Target_arm::got_section): Make the .got section the first
non RELRO section in the data segment.
* testsuite/script_test_5.sh: Fix match patterns to avoid matching
suffixes of section names.
* arm.cc (Target_arm::do_finalize_sections): Skip processor specific
flags and attributes merging if an input file is a binary file.
* fileread.cc (Input_file::open): Record format of original file.
* fileread.h (Input_file::Format): New enum type.
(Input_file::Input_file): Initialize data member format_.
(Input_file::format): New method definition.
(Input_file::format_):: New data member.
* arm.cc (Arm_output_data_got): New class.
(ARM_TCB_SIZE): New constant
(Target_arm): Use Arm_output_data_got instead of Output_data_got.
(Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
If user uses a script with a SECTIONS clause, issue only a warning
for a misplaced EXIDX input section. Otherwise, issue an error.
(Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
garbage collection.
(Target_arm::got_mode_index_entry): Handle static linking.
(Target_arm::Scan::local): Ditto.
(Target_arm::Scan::global): Ditto.
(Target_arm::Relocate::relocate_tls): Handle static linking. Fix
all incorrectly implemented relocations.
(Target_arm::fix_exidx_coverage): Pass layout to
Arm_output_section::fix_exidx_coverage.
* layout.cc (Layout::section_name_mapping): Remove trailing dots
from ".ARM.exidx." and ".ARM.extab.".
* arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
* arm.cc (Arm_relocation_functions): New forward declaration.
(Target_arm::Target_arm): Initialize new data members
got_mod_index_offset_ and tls_base_symbol_defined_.
(Target_arm::Relocate::relocate_tls): New method.
(Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
New methods.
(Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
(Target_arm::got_mod_index_offset_,
Target_arm::tls_base_symbol_defined_): New data members.
(Target_arm::Scan::local, Target::Scan::global,
Target_arm::Relocate::relocate): Handle 32-bit initial TLS
relocations.
* arm.cc (Arm_relobj::find_linked_text_section): New method.
(Arm_relobj::make_exidx_input_section): Pass section index of linked
text section as a parameter becuase some broken tools may not set
the link in section header.
(Target_arm::has_got_section): New method.
(Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
without any mapping symbol as data only. Remove warning.
(Arm_relobj::do_read_synbols): If an EXIDX input section has no
link in its section header, try to discover the link by inspecting the
REL31 relocation at the beginning of the section.
(Target_arm::Scan::check_non_pic): Report name of offending relocation
in error message.
(Target_arm::Scan::global): Treat any reference to the symbol
_GLOBAL_OFFSET_TABLE_ as a GOT access.
* arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
(Scan::global_reloc_may_be_function_pointer): New function.
* sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
(Scan::global_reloc_may_be_function_pointer): New function.
* powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
(Scan::global_reloc_may_be_function_pointer): New function.
* i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
(Scan::global_reloc_may_be_function_pointer): New function.
* x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
(Scan::global_reloc_may_be_function_pointer): New function.
(Scan::possible_function_pointer_reloc): New function.
(Target_x86_64::can_check_for_function_pointers): New function.
* gc.h (gc_process_relocs): Scan relocation types to determine if
function pointers were taken for targets that support it.
* icf.cc (Icf::find_identical_sections): Include functions for
folding in safe ICF whose pointer is not taken.
* icf.h (Secn_fptr_taken_set): New typedef.
(fptr_section_id_): New member.
(section_has_function_pointers): New function.
(set_section_has_function_pointers): New function.
(check_section_for_function_pointers): New function.
* options.h: Fix comment for safe ICF option.
* target.h (can_check_for_function_pointers): New function.
* testsuite/Makefile.am: Add icf_safe_so_test test case.
Modify icf_safe_test for X86-64.
* testsuite/Makefile.in: Regenerate.
* testsuite/icf_safe_so_test.cc: New file.
* testsuite/icf_safe_so_test.sh: New file.
* testsuite/icf_safe_test.cc (kept_func_3): New function.
(main): Change to take pointer to function kept_func_3.
* testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
folding is done correctly for X86-64.
* arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
(Target_arm::Scan::global): Ditto. Also remove a comment before the
beginning of function.
(Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
and MOVT_ABS relocations. Those are non issued in scanning. Fix
parameter is_32bit in calls to should_apply_static_reloc.
* testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
(check_DATA): Add arm_abs_global.stdout.
(arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
arm_abs_global.stdout): New rules.
(MOSTLLYCLEANFILES): Add arm_abs_global
* Makefile.in: Regenerate.
* testsuite/arm_abs_global.s: New file.
* testsuite/arm_abs_global.sh: Ditto.
* testsuite/arm_abs_lib.s: Ditto.
that takes two Output_data objects.
(Output_data_dynamic::Dynamic_entry): Create storage for secondary
entry param. Handle it in initializers.
* output.cc (Output_data_dynamic::Dynamic_entry::write): For
DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
* layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
arg.
* layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
* arm.cc (Target_arm::do_finalize_sections): Update to pass false
for dynrel_includes_plt.
* i386.cc (Target_i386::do_finalize_sections): Likewise.
* x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
* sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
before .rela.plt
(Target_sparc::do_finalize_sections): Update to pass true for
dynrel_includes_plt.
* powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
output before .rela.plt
(Target_powerpc::do_finalize_sections): Update to pass true for
dynrel_includes_plt when 32-bit.
* arm.cc (Arm_relobj::simple_input_section_output_address): New
method.
(Arm_relobj::section_needs_cortex_a8_stub_scanning,
Arm_relobj::scan_section_for_cortex_a8_stubs,
Arm_relobj::do_relocation_section): Instead of calling
Output_section::output_address, use faster
Arm_relobj::simple_input_section_output_address.
PR 11247
* arm.cc (Arm_relobj::section_is_scannable): New method.
(Arm_relobj::section_needs_reloc_stub_scanning): Use it.
(Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
* arm-reloc-property.cc
(Arm_reloc_property_table::reloc_name_in_error_message): New method
definition.
* arm-reloc-property.h
(Arm_reloc_property_table::get_implemented_static_reloc_property):
New method definition.
(Arm_reloc_property_table::reloc_name_in_error_message): New method
declaration.
* arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
overflow to N.
(GOT_PREL): Change implemented to Y.
* arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
(Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
(Arm_relocate_functions::movw_abs_nc): Remove method.
(Arm_relocate_functions::movt_abs): Ditto.
(Arm_relocate_functions::thm_movw_abs_nc): Ditto.
(Arm_relocate_functions::thm_movt_abs): Ditto.
(Arm_relocate_functions::movw_rel_nc): Ditto.
(Arm_relocate_functions::movw_rel): Ditto.
(Arm_relocate_functions::movt_rel): Ditto.
(Arm_relocate_functions:thm_movw_rel_nc): Ditto.
(Arm_relocate_functions:thm_movw_rel): Ditto.
(Arm_relocate_functions:thm_movt_rel): Ditto.
(Arm_relocate_functions::movw, Arm_relocate_functions::movt,
(Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
New method definitions.
(Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
(Arm_relocation_functions::arm_grp_ldr): Ditto.
(Arm_relocation_functions::arm_grp_ldrs): Ditto.
(Arm_relocation_functions::arm_grp_ldc): Ditto.
(Target_arm::Relocate::relocate): Check for non-static or
unimplemented relocation code and exit early. Change calls to
Target_arm::reloc_uses_thumb_bit and
Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
instead. Refactor code to handle similar relocations to increase
code sharing. Remove check for unsupported relocation code in switch
statement.
(Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
relocation property table to find out size. Change error message to
print out the name of a relocation code instead of the numeric value.
(Target_arm::scan_reloc_for_stub): Use relocation property table
instead of calling Target_arm::reloc_uses_thumb_bit().
* arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
first_output_text_section_.
(Arm_exidx_fixup::first_output_text_section): New method definition.
(Arm_exidx_fixup::first_output_text_section_): New data member.
(Arm_exidx_fixup::process_exidx_section): Record the first text
output section seen.
(Arm_output_section::fix_exidx_coverage): Set correct linked section
and entsize in output section header.
* gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
(Arm_relocate_functions::thm_alu11): New Method.
(Arm_relocate_functions::thm_pc8): New Method.
(Arm_relocate_functions::thm_pc12): New Method.
(Target_arm::Scan::local): Handle the relocations.
(Target_arm::Scan::global): Likewise.
(Target_arm::Relocate::relocate): Likewise.
(Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
* arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
output_local_symbol_count_needs_update_.
(Arm_relobj::output_local_symbol_count_needs_update,
Arm_relobj::set_output_local_symbol_count_needs_update,
Arm_relobj::update_output_local_symbol_count): New methods.
(Arm_relobj::output_local_symbol_count_needs_update_): New data
member.
(Arm_exidx_cantunwind::do_fixed_endian_write): Write address
of pointed function as in a R_ARM_PREL31 relocation.
(Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
for output local symbol count updating.
(Target_arm::do_relax): Update output local symbol counts in objects
if necessary.
* object.h (Sized_relobj::set_output_local_symbol_count): New method.
(Target_arm::reloc_needs_sym_origin): New method.
(Arm_relocate_functions::calc_grp_kn): New method.
(Arm_relocate_functions::calc_grp_residual): New method.
(Arm_relocate_functions::calc_grp_gn): New method.
(Arm_relocate_functions::arm_grp_alu): New Method.
(Arm_relocate_functions::arm_grp_ldr): New Method.
(Arm_relocate_functions::arm_grp_ldrs): New Method.
(Arm_relocate_functions::arm_grp_ldc): New Method.
(Target_arm::Scan::local): Handle the ARM group relocations.
(Target_arm::Scan::global): Likewise.
(Target_arm::Relocate::relocate): Likewise.
(Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
Likewise.
* arm.cc (set): Include.
(class Arm_exidx_fixup): Change type of last_input_section_ to const
pointer type.
(Arm_output_section::Text_section_list): New type.
(Arm_output_section::append_text_sections_to_list): New method.
(Arm_output_section::fix_exidx_coverage): Ditto.
(Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
(Arm_relobj::convert_input_section_to_relaxed_section): Use
Relobj::set_section_offset() instead of
Sized_relobj::invalidate_section_offset().
(Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
parameter for section headers. Ignore relocation sections for
unallocated sections and EXIDX sections.
(Target_arm::fix_exidx_coverage): New method.
(Target_arm::output_section_address_less_than): New type.
(Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
linked text section instead of the EXIDX section.
(Arm_output_section::create_stub_group): Add an assertion to check
that this is not an EXIDX output section.
(Arm_output_section::append_text_sections_to_list): New method.
(Arm_output_section::fix_exidx_coverage): Ditto.
(Arm_relobj::scan_sections_for_stubs): Adjust call to
Arm_relobj::section_needs_reloc_stub_scanning.
(Target_arm::do_relax): Fix EXIDX output section coverage in the
first pass.
(Target_arm::fix_exidx_coverage): New method.
* object.h (Relobj::set_output_section): New method.
(Sized_relobj::invalidate_section_offset): Remove method.
(Sized_relobj::do_invalidate_section_offset): Remove method.
(Sized_relobj::do_set_section_offset): Handle offset value -1.
* arm.cc (Target_arm::do_relax): Record an output section for section
offset adjustment it contains any stub table that has changed.
* layout.cc (Layout::clean_up_after_relaxation): Adjust section
offsets in an output section if necessary.
* output.cc (Output_section::Output_section): Initialize
section_offsets_need_adjustments_.
(Output_section::add_input_section_for_script): Renamed to
Output_section::add_simple_input_section.
(Output_section::save_states): Add a comment.
(Output_section::discard_states): New method defintion.
(Output_section::adjust_section_offsets): Same.
* output.h (Output_section::add_input_section_for_script): Renamed to
Output_section::add_simple_input_section.
(Output_section::discard_states): New method declaration.
(Output_section::adjust_section_offsets): Same.
(Output_section::section_offsets_need_adjustment,
Output_section::set_section_offsets_need_adjustment): New method
definitions.
(Output_section::section_offsets_need_adjustment_): New data member.
* script-sections.cc
(Output_section_element_input::set_section_address): Adjust code for
renaming of Output_section::add_input_section_for_script.
(Orphan_output_section::set_section_address): Same.
* gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
Fix_v4bx enum values .
* gold/options.h (General_options): New option definitions.
(General_options::fix_v4bx): New method.
(General_options::Fix_v4bx): New enum.
* gold/options.cc (General_options::parse_fix_v4bx): New method.
(General_options::parse_fix_v4bx_interworking): New method.
* arm.cc (Arm_exidx_input_section): New class.
(Arm_relobj::exidx_input_section_by_link,
Arm_relobj::exidx_input_section_by_shndx,
Arm_relobj::make_exidx_input_section): New methods.
(read_arm_attributes_section): Remove.
(Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
information about them.
(Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
to here.
* arm.cc (Target_arm::Arm_input_section_map): Change key type from
Input_section_specifier to Section_id.
(Target_arm::new_arm_input_section: Adjust code for change of key
type.
(Target_arm::find_arm_input_section): Ditto.
* gc.h (object.h): Include for Section_id nand Section_id_hash.
(Section_id): Remove.
(Garbage_collection::Section_id_hash): Remove.
* icf.h (object.h): Include for Section_id nand Section_id_hash.
(Section_id): Remove.
(Icf::Section_id_hash): Remove.
* object.h (Section_id, Const_section_id, Section_id_hash,
Const_section_id_hash): New type definitions.
* output.cc (Output_section::add_relaxed_input_section): Change to
use Const_section_id instead of Input_section_specifier as key type.
(Output_section::add_merge_input_section): Ditto.
(Output_section::build_relaxation_map): Change to use Section_id
instead of Input_section_specifier as key type.
(Output_section::convert_input_sections_in_list_to_relaxed_sections):
Ditto.
(Output_section::convert_input_sections_to_relaxed_sections): Change
to use Const_section_id instead of Input_section_specifier as key type.
(Output_section::find_merge_section): Ditto.
(Output_section::find_relaxed_input_section): Ditto.
* output.h (Input_section_specifier): Remove class.
(Output_section::Output_section_data_by_input_section_map): Change
key type to Const_section_id.
(Output_section::Output_relaxed_input_section_by_input_section_map):
Ditto.
(Output_section::Relaxation_map): Change key type to Section_id.
* arm.cc (map, utility): Include headers.
(Target_arm::apply_cortex_a8_workaround): New method.
(Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
(Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
(Target_arm::Scan::global): R_ARM_THM_JUMP19.
(Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
the --[no-]fix-cortex-a8 command line options.
(Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
(Target_arm::relocate_stub): Use addend in instruction template.
* options.h (DEFINE_bool): Set the user-set flag.
(General_options): Add --[no-]-fix-cortex options.
* output.cc (Output_section::convert_input_sections_to_relaxed_sections)
: Update fast look-up map after conversion.
* arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
apparent compiler problem of not folding static constant integral
data members of elfcpp::Elf_sizes<32>.
* arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
Arm_relobj::section_needs_cortex_a8_stub_scanning,
Arm_relobj::scan_section_for_cortex_a8_erratum,
Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
(Arm_relobj::scan_sections_for_stubs): Move code deciding what
sections to scan for relocation stubs into a new method
Arm_relobj::section_needs_reloc_stub_scanning. Handle both
relocation and Cortex-A8 stub scanning.
(Target_arm::do_relax): Force stubs to be after stubbed sections
if fixing the Cortex-A8 erratum. Remove all Cortex-A8 stubs at
the beginning of a new relaxation pass. Update a comment.
(Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
* arm.cc (Cortex_a8_reloc): New class.
(Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
and cortex_a8_relocs_info_.
(Target_arm::fix_cortex_a8): New method definition.
(Target_arm::Cortex_a8_relocs_info): New type.
(Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
New data member declarations.
(Target_arm::scan_reloc_for_stub): Record information about
relocations for THUMB branches that might be exempted from the
Cortex-A8 workaround.
(Target_arm::do_relax): Clear all Cortex-A8 relocation information
at the beginning of a relaxation pass.
* arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
(Arm_relobj::Mapping_symbol_position,
Arm_reloj::Mapping_symbol_position_less,
Arm_relobj::Mapping_symbols_info): New types.
(Target_arm::is_mapping_symbol_name): New method definition.
(Arm_relobj::do_count_local_symbols): Save information about mapping
symbols.
* arm.cc (Arm_relocate_functions::thumb32_branch_offset,
Arm_relocate_functions::thumb32_branch_upper,
Arm_relocate_functions::thumb32_branch_lower,
Arm_relocate_functions::thumb32_cond_branch_offset,
Arm_relocate_functions::thumb32_cond_branch_upper,
Arm_relocate_functions::thumb32_cond_branch_lower,
Arm_relocate_functions::thm_jump19): New methods to handle THUMB
branch offset encoding.
(Arm_relocate_functions::thumb_branch_common): Use new branch
offset encoding methods to avoid code duplication.
(Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
(Stub_addend_reader::operator()): Use new branch encoding method
to avoid code duplication.
* arm.cc (Arm_relobj::do_gc_process_relocs): New method.
(Target_arm::do_finalize_sections): Define special EXIDX section
symbols only if referenced.
* gc.h (Garbage_collection::add_reference): New method.
(gc_process_relocs): Use Garbage_collection::add_reference to avoid
code duplication.
* arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
prev_data_size_ and prev_addralign_. Remove initializer for
deleted data member has_been_changed_.
(Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
to determine if the table is empty.
(Stub_table::has_been_changed, Stub_table_set_has_been_changed):
Remove.
(Stub_table::add_reloc_stub): Define method in class definition
instead of just declaring it there.
(Stub_table::add_cortex_a8_stub): New method definition.
(Stub_table::update_data_size_and_addralign): Ditto.
(Stub_table::finalize_stubs): Ditto.
(Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
(Stub_table::do_addralign_): Return address alignment in the
(Stub_table::do_reset_address_and_file_offset): Define method in
class definition instead of declaring it there. Set current data
size to be the data size of the previous pass.
(Stub_table::set_final_data_size): Use current data size as the
final data size.
(Stub_table::relocate_stub): Change parameter type of stub from
Reloc_stub pointer to Stub pointer.
(Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
(Stub_table::Cortex_a8_stub_list): New typedef.
(Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
Stub_table::prev_addralign_): New data member.
(Arm_relobj::Arm_relobj): Initialize data member
section_has_cortex_a8_workaround_.
(Arm_relobj::section_has_cortex_a8_workaround,
Arm_relobj::mark_section_for_cortex_a8_workaround): New method
definitions.
(Arm_relobj::section_has_cortex_a8_workaround_): New data member
declarations.
(Target_arm::relocate_stub): Change parameter type of stub from
Reloc_stub pointer to Stub pointer.
(Insn_template::size, Insn_template::alignment): Handle
THUMB16_SPECIAL_TYPE.
(Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
Stub_table::update_data_size_and_addralign,
Stub_table::apply_cortex_a8_workaround_to_address_range): New method
definitions.
(Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
(Stub_table::do_write): Ditto.
(Target_arm::do_relax): Adjust code for changes in Stub_table.
* arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
(Insn_template::thumb16_bcond_insn): New method declaration.
(Insn_template): Fix spelling.
(Stub::thumb16_special): New method declaration.
(Stub::do_write): Define virtual method which was previously pure
virtual.
(Stub::do_thumb16_special): New method declaration.
(Stub::do_fixed_endian_write): New template member.
(Reloc_stub::do_write): Remove.
(Reloc_stub::do_fixed_endian_write): Remove.
(Cortex_a8_stub): New class definition.
(Stub_factory::make_cortex_a8_stub): New method definition.
(Stub_factory::Stub_factory): Add missing static storage class
qualifier for elf32_arm_stub_a8_veneer_blx.
* arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
sections.
* object.cc (Sized_relobj::do_finalize_local_symbols): Handle
relaxed input sections.
* output.cc (Output_section::find_relaxed_input_section): Change
return type to Output_relaxed_input_section pointer. Adjust code
for new type of relaxed_input_section_map_.
* output.h (Output_section::find_relaxed_input_section): Change
return type to Output_relaxed_input_section pointer.
(Output_section::Output_relaxed_input_section_by_input_section_map):
New type.
(Output_section::relaxed_input_section_map_): Change type to
Output_section::Output_relaxed_input_section_by_input_section_map.
* symtab.cc (Symbol_table::compute_final_value): Handle relaxed
input section.
elfcpp/ChangeLog
* arm.h: New enums for EABI object attribute tags and values.
gold/ChangeLog
* arm.cc (attributes.h): New include.
(Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
(Arm_relobj::~Arm_relobj): Delete object pointed by
attributes_section_data_.
(Arm_relobj::attributes_section_data): New method definition.
(Arm_relobj::attributes_section_data_): New data member declaration.
(Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
(Arm_dynobj::~Arm_dynobj): Delete object pointed by
attributes_section_data_.
(Arm_dynobj::attributes_section_data): New method definition.
(Arm_dynobj::attributes_section_data_): New data member declaration.
(Target_arm::Target_arm): Initialize attributes_section_data_. Change
initialization value of may_use_blx_ to false.
(Target_arm::using_thumb2, Target_arm::using_thumb_only,
Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
object attributes to compute results instead of hard-coding.
(Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
Target_arm::get_secondary_compatible_arch,
Target_arm::set_secondary_compatible_arch
Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
New method declarations.
(Target_arm::get_aeabi_object_attribute): New method definition.
(Target_arm::attributes_section_data_): New data member declaration.
(read_arm_attributes_section): New template definition.
(Arm_relobj::do_read_symbols): Read attributes section if it exists.
(Arm_dynobj::do_read_symbols): Ditto.
(Target_arm::do_finalize_sections): Merge attributes sections from
input. Check for BLX use after attributes section merging.
Fix __exidx_start and __exidx_end visibility. Create an
.ARM.attributes section if necessary.
(Target_arm::get_secondary_compatible_arch,
Target_arm::set_secondary_compatible_arch,
Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
New method definitions.
* arm.cc: Update comments about interworking and stub generation.
(Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
considered as non-PIC.
(Arm_relocate_functions::base_abs): Fix formatting.
(Arm_relocate_functions::got_prel): Fix comment. Change interface
of function to use GOT entry address instead of offset.
(Target_arm::Scan::global): Issue an error if a symbol would need a
PLT does not get one because it is untyped. Remove code to create
dynamic symbols for relative branches.
(Target_arm::Relocate::relocate: Use 0 instead of false since function
takes unsigned integer instead of boolean.
* arm.cc: Remove comment about missing .ARM.exidx section symbols.
(Target_arm::do_finalize_sections): Add parameter for symbol table
pointer. Add __exidx_start and __exidx_end symbols as appropriate.
* i386.cc (Target_i386::do_finalize_sections): Add an additional
parameter for symbol table pointer.
* layout.cc (Layout::finalize): Call Target::finalize_sections with
an additional parameter for a pointer to symbol table.
* powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
parameter for a symbol table pointer.
* sparc.cc (Target_sparc::do_finalize_sections): Ditto.
* target.h (Target::finalize_sections, Target::do_finalize_sections):
Ditto.
* x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
parameter for a symbol table pointer.
Revert:
2009-11-25 Doug Kwan <dougkwan@google.com>
* arm.cc (Target_arm::Target_arm): Move method definition
outside of class definition. Add code to handle
--target1-rel, --target1-abs and --target2= options.
(Target_arm::get_reloc_reloc_type): Change method to be
non-static and const.
(Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
New data member declaration.
(Target_arm::Scan::local, Target_arm::Scan::global,
Target_arm::Relocate::relocate,
Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
Adjust call to Target_arm::get_real_reloc_type.
(Target_arm::get_real_reloc_type): Use command line options
to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
* options.h (--target1-rel, --target1-abs, --target2): New
ARM-only options.
* arm.cc (Target_arm::Target_arm): Move method definition outside of
class definition. Add code to handle --target1-rel, --target1-abs
and --target2= options.
(Target_arm::get_reloc_reloc_type): Change method to be non-static
and const.
(Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
member declaration.
(Target_arm::Scan::local, Target_arm::Scan::global,
Target_arm::Relocate::relocate,
Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
call to Target_arm::get_real_reloc_type.
(Target_arm::get_real_reloc_type): Use command line options to
determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
* options.h (--target1-rel, --target1-abs, --target2): New ARM-only
options.
* arm.cc (Target_arm::Target_arm): Move method definition outside of
class definition. Add code to handle --target1-rel, --target1-abs
and --target2= options.
(Target_arm::get_reloc_reloc_type): Change method to be non-static
and const.
(Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
member declaration.
(Target_arm::Scan::local, Target_arm::Scan::global,
Target_arm::Relocate::relocate,
Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
call to Target_arm::get_real_reloc_type.
(Target_arm::get_real_reloc_type): Use command line options to
determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
* options.h (--target1-rel, --target1-abs, --target2): New ARM-only
options.
* arm.cc (Target_arm::may_use_arm_nop): New method definition.
(Arm_relocate_functions::arm_branch_common): Change method defintion
in class definition to a method declaration and update list of formal
parameters.
(Arm_relocate_functions::plt32, Arm_relocate_functions::call,
Arm_relocation_functions::jump24): Adjust call to
Arm_relocate_functions::arm_branch_common. Update list of formal
parameters.
(Arm_relocate_functions::xpc25): New method definition.
(Arm_relocate_functions::arm_branch_common): Move method defintion
out from class definition. Use stubs for mode-switching and extending
branch ranges.
(Target_arm::Relocate::relocate): Handle weakly-undefined symbols
specially. Change code to enable use of stubs in ARM branches.
* arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
in method declaration.
(Target_arm::relocate_stub): New method declaration.
(Target_arm::default_target): Change to return a pointer instead of
a const reference.
(Reloc_stub::stub_type_for_reloc): Adjust for the change in
Target_arm::default_target.
(Arm_Relobj::do_relocate_sections): Remove options paramater in
method definition.
(Target_arm::relocate_section): Adjust view.
(Target_arm::relocate_stub): New method definition.
* arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
(arm_symbol_value): Remove.
(Arm_relocate_functions::arm_branch_common,
Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
Arm_relocate_functions::call, Arm_relocate_functions::jump24,
Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
Arm_relocate_functions::thm_mobw_abs_nc,
Arm_relocate_functions::thm_mov_abs,
Arm_relocate_functions::movw_prel_nc,
Arm_relocate_functions::thm_movt_abs,
Arm_relocate_functions::movt_prel,
Arm_relocate_functions::thm_movw_prel_nc,
Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
(Target_arm::Relocate::relocate): Only decompose address into two
parts if relocation type uses the thumb-bit and pass the actual
bit instead of a flag indicating that the thumb-bit is used. Adjust
calls to methods in Arm_relocate_functions for this change.
* arm.cc (class Reloc_stub): Correct a comment.
(Target_arm::Target_arm): Initialize arm_input_section_map_.
(Target_arm::scan_section_for_stubs): New method declaration.
(Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
Change methods from private to protected.
(Target_arm::do_may_relax): New method definition.
(Target_arm::do_relax, Target_arm::group_sections,
Target_arm::scan_reloc_for_stub,
Target_arm::scan_reloc_section_for_stubs): New method declarations.
(Target_arm::arm_input_section_map_): New data member declaration.
(Target_arm::scan_reloc_for_stub,
Target_arm::scan_reloc_section_for_stubs,
Target_arm::scan_section_for_stubs, Target_arm::group_sections,
Target_arm::do_relax): New method definitions.
* arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
stub_factory_.
(Target_arm::stub_factory): New method definition.
(Target_arm::new_arm_input_section,
Target_arm::find_arm_input_section, Target_arm::new_stub_table,
Target_arm::reloc_uses_thumb_bit): New method declarations.
(Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
New type definitions.
(Target_arm::stub_tables_, Target_arm::stub_factory_): New data
member declarations.
(Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
Target_arm::find_arm_input_section, Target_arm::new_stub_table):
New method definitions.
* arm.cc (Stub_addend_reader): New struct template definition
and partial specializations.
(Stub_addend_reader::operator()): New method definition for a
partially specialized template.
* arm.cc (Arm_relobj): New class definition.
(Arm_relobj::scan_sections_for_stubs,
Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
New method definitions.
* arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
(Arm_input_section::as_arm_input_section): New method.
(Arm_output_section): New class definition.
(Arm_output_section::create_stub_group,
Arm_output_section::group_sections): New method definitions.
* arm.cc (Arm_input_section): New class definition.
(Arm_input_section::init, Arm_input_section:do_write,
Arm_input_section::set_final_data_size,
Arm_input_section::do_reset_address_and_file_offset): New method
definitions.
* arm.cc (Stub_table, Arm_input_section): New forward class
declarations.
(Stub_table): New class defintion.
(Stub_table::add_reloc_stub, Stub_table::relocate_stubs
Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
New method definition.
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.
* 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.
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.
* 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.
* 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.
