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is_symbolless parameter.
(Output_reloc<SHT_REL>::is_symbolless): New.
(Output_reloc<SHT_REL>::is_symbolless_): New.
(Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
(Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
(Output_reloc<SHT_RELA>::is_symbolless): New.
(Output_data_reloc::add_global): Handle is_symbolless.
(Output_data_reloc::add_global_relative): Likewise.
(Output_data_reloc::add_local): Likewise.
(Output_data_reloc::add_local_relative): Likewise.
(Output_data_reloc::add_symbolless_global_addend): New.
(Output_data_reloc::add_symbolless_local_addend): New.
* output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
is_symbolless.
(Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
instead of ->is_relative_
(Output_reloc::write): Likewise.
(Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
(Output_reloc::write_rel): Simplify.
* sparc.cc (Target_sparc::Scan::local): Use
->add_symbolless_local_addend as needed.
(Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
needed. Also, emit appropriate unaligned vs. aligned dynamic reloc
based upon relocation offset.
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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.
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* 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.
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* 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.
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* elfcpp.h (PN_XNUM): Define.
gold/:
* output.cc (Output_section_headers::do_sized_write): Write large
segment count to sh_info field.
(Output_file_header::do_sized_write): For large segment count,
write PN_XNUM to e_phnum field.
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* 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.
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PR 11063
* i386.cc (class Target_i386): Change return type of plt_section
to be non-const.
(class Output_data_plt_i386): Add tls_desc_rel_ field.
(Output_data_plt_i386::Output_data_plt_i386): Initialize
tls_desc_rel_ field.
(Output_data_plt_i386::rel_tls_desc): New function.
(Target_i386::rel_tls_desc_section): New function.
(Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
(Target_i386::Scan::global): For R_386_TLS_GOTDESC put
R_386_TLS_DESC reloc in rel_tls_desc_section.
* x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
Define struct Tlsdesc_info.
(Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
(Target_x86_64::do_reloc_symbol_index): New function.
(Target_x86_64::add_tlsdesc_info): New function.
(class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
(Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
tlsdesc_rel_ field.
(Output_data_plt_x86_64::rela_plt): Rename from rel_plt. Change
all callers.
(Output_data_plt_x86_64::rela_tlsdesc): New function.
(Target_x86_64::rela_tlsdesc_section): New function.
(Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
handling.
(Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
(Target_x86_64::do_reloc_addend): New function.
R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
* output.h (class Output_reloc) [SHT_REL]: Add new constructor
declarations. Define TARGET_CODE. Add arg field to u1_ union.
(Output_reloc::type): New function.
(Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
(Output_reloc::is_target_specific): New function.
(Output_reloc::target_arg): New function.
(class Output_reloc) [SHT_RELA]: Add four new constructors for
absolute relocs and target specific relocs.
(class Output_data_reloc) [SHT_REL]: Add add_absolute and
add_target_specific.
(class Output_data_reloc) [SHT_RELA]: Likewise.
* output.cc (Output_reloc::Output_reloc): Add four new versions
for absolute relocs and target specific relocs.
(Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
(Output_reloc::get_symbol_index): Likewise.
(Output_reloc::local_section_offset): Check that local_sym_index_
is not TARGET_CODE or 0.
(Output_reloc::symbol_value): Likewise.
(Output_reloc::write) [SHT_RELA]: Call target for target specific
reloc.
* target.h (class Target): Add reloc_symbol_index and reloc_addend
functions. Add do_reloc_symbol_index and do_reloc_addend virtual
functions.
* layout.cc (add_target_dynamic_tags): Use output section for
DT_PLTRELSZ and DT_JMPREL.
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* output.h (class Output_reloc) [SHT_RELA]: Add is_relative
function.
(class Output_data_reloc_generic): Define.
(class Output_data_reloc_base): Change base class to
Output_data_reloc_generic. Change add() method to call
bump_relative_reloc_count for a relative reloc. Remove
sort_relocs_ field.
* output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
to sort_relocs().
* layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
Output_data_reloc_generic*. Add DT_RELCOUNT/DT_RELACOUNT tag if
appropriate.
* layout.h (class Layout): Update declaration.
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* options.cc (General_options::parse_section_start): New function.
(General_options::section_start): New function.
(General_options::General_options): Initialize all members.
* options.h: Include <map>
(class General_options): Add --section-start. Add section_starts_
member.
* layout.cc (Layout::attach_allocated_section_to_segment): If
--section-start was used, set the address of the segment. Remove
local sort_sections.
(Layout::relaxation_loop_body): If the address of the load segment
has been set by --section-start, don't use it.
* output.h (Output_segment::update_flags_for_output_section): New
function.
* output.cc (Output_segment::add_output_section): Call
update_flags_for_output_section.
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* output.cc (Output_segment::Output_segment): If PT_TLS, set the
flags to PF_R.
(Output_segment::add_output_section): Don't change the flags if
the type is PT_TLS.
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(Layout::get_output_section): Add is_relro, is_last_relro, and
is_first_non_relro parameters. Change all callers.
(Layout::choose_output_section): Likewise.
(Layout::add_output_section_data): Likewise.
(Layout::make_output_section): Likewise.
(Layout::set_segment_offsets): Clear increase_relro when using a
linker script.
* layout.h (class Layout): Add increase_relro method. Add
increase_relro_ field. Update declarations.
* output.cc (Output_section::Output_section): Initialize
is_last_relro_ and is_first_non_relro_.
(Output_segment::add_output_section): Group relro sections is
do_sort is true. Handle is_last_relro and is_first_non_relro.
(Output_segment::maximum_alignment): Remove relro handling.
(Output_segment::set_section_addresses): Add increase_relro
parameter. Change all callers. Add initial alignment to align
relro sections on separate page. Remove old relro handling.
(Output_segment::set_section_list_addresses): Remove in_relro
parameter. Change all callers.
(Output_segment::set_offset): Add increase parameter. Change all
callers. Remove old relro handling.
* output.h (class Output_section): Add new methods: is_last_relro,
set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
Add is_last_relro_ and is_first_non_relro_ fields.
* i386.cc (Target_i386::got_section): Don't call set_is_relro.
Create separate .got.plt section. Call increase_relro.
* x86_64.cc (Target_x86_64::got_section): Likewise.
* testsuite/relro_script_test.t: Add .got.plt.
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* output.h (class Output_section): Add is_entsize_zero_ field.
* output.cc (Output_section::Output_section): Initialize
is_entsize_zero_.
(Output_section::set_entsize): If two different entsizes are
requested, force it to zero.
(Output_section::add_input_section): Set flags for .debug_str
before updating section flags. Set entsize.
(Output_section::update_flags_for_input_section): Set SHF_MERGE
and SHF_STRING if all input sections have those flags.
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* 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.
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2009-12-11 Doug Kwan <dougkwan@google.com>
2009-12-11 Nick Clifton <nickc@redhat.com>
* configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
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Fix up all warnings generated by the addition of this switch.
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* output.cc (Output_segment::add_output_section): Add missing
return statement.
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is_dynamic_linker_section parameters. Change all callers.
(Layout::choose_output_section): Likewise.
(Layout::make_output_section): Likewise.
(Layout::add_output_section_data): Add is_dynamic_linker_section
parameter. Change all callers.
* layout.h (class Layout): Update declarations.
* output.h (class Output_section): Add is_interp, set_is_interp,
is_dynamic_linker_section, set_is_dynamic_linker_section methods.
Add is_interp_, is_dynamic_linker_section_ fields. Change
generate_code_fills_at_write_ to a bitfield.
* output.cc (Output_section::Output_sections): Initialize new
fields.
(Output_segment::add_output_section): Add do_sort parameter.
Change all callers.
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elfcpp/ChangeLog:
* arm.h (EF_ARM_BE8, EF_ARM_EABIMASK, EF_ARM_EABI_UNKNOWN,
EF_ARM_EABI_VER1, EF_ARM_EABI_VER2, EF_ARM_EABI_VER3,
EF_ARM_EABI_VER4, EF_ARM_EABI_VER5): New enums for processor-specific
flags.
(arm_eabi_version): New inline function.
* elfcpp.h: Add a comment about DT_ENCODING.
gold/ChangeLog:
* arm.cc (Arm_relobj::processor_specific_flags): New method
definition.
(Arm_relobj::do_read_symbols): New method declaration.
(Arm_relobj::processor_specific_flags_): New data member declaration.
(Arm_dynobj): New class definition.
(Target_arm::do_finalize_sections): Add input_objects parameter.
(Target_arm::do_adjust_elf_header): New method declaration.
(Target_arm::are_eabi_versions_compatible,
(Target_arm::merge_processor_specific_flags): New method declaration.
(Target_arm::do_make_elf_object): New overloaded method definitions
and declaration.
(Arm_relobj::do_read_symbols): New method definition.
(Arm_dynobj::do_read_symbols): Ditto.
(Target_arm::do_finalize_sections): Add input_objects parameters.
Merge processor-specific flags from all input objects.
(Target_arm::are_eabi_versions_compatible,
Target_arm::merge_processor_specific_flags,
Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
New method definitions.
* i386.cc (Target_i386::do_finalize_sections): Add unnamed
Input_objects pointer type parameter.
* layout.cc (Layout::finalize): Pass input objects to target's.
finalize_sections function.
* output.cc (Output_file_header::do_sized_write): Set ELF file
header's processor-specific flags.
* powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
Input_objects pointer type parameter.
* sparc.cc (Target_sparc::do_finalize_sections): Same.
* target.h (Input_objects): New forward class declaration.
(Target::processor_specific_flags,
Target::are_processor_specific_flags_sect): New method definitions.
(Target::finalize_sections): Add input_objects parameter.
(Target::Target): Initialize processor_specific_flags_ and
are_processor_specific_flags_set_.
(Target::do_finalize_sections): Add unnamed Input_objects pointer type
parameter.
(Target::set_processor_specific_flags): New method definition.
(Target::processor_specific_flags_,
Target::are_processor_specific_flags_set_): New data member
declarations.
* x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
Input_objects pointer type parameter.
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* output.cc (Output_segment::set_section_list_address): Cast
expressions to unsigned long long type to avoid format warnings.
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to the segment aligment for -N or -n with no load segment.
* output.cc (Output_segment::add_output_section): Don't crash if
the first section is a TLS section.
(Output_segment::set_section_list_addresses): Print an error
message if the address moves backward in a linker script.
* script-sections.cc
(Output_section_element_input::set_section_addresses): Don't
increase *dot_value for a SHF_TLS/SHT_NOBITS section.
(Orphan_output_section::set_section_addresses): Likewise.
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* options.h (class General_options): Add -pie and
--pic-executable.
(General_options::output_is_position_independent): Test -pie.
(General_options::output_is_executable): Return true if not shared
and not relocatable.
(General_options::output_is_pie): Remove.
* options.cc (General_options::finalize): Reject incompatible uses
of -pie.
* gold.cc (queue_middle_tasks): A -pie link is not static.
* symtab.h (Symbol::needs_plt_entry): Return false if -pie.
* symtab.cc (Symbol::final_value_is_known): Return false if
output_is_position_independent.
* layout.cc (Layout::set_segment_offsets): Start at address 0 if
output_is_position_independent.
* output.cc (Output_file_header::do_sized_write): Use ET_DYN if
output_is_position_independent.
* i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
output_is_position_independent.
* testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
two_file_pie_test.
(basic_pie_test.o, basic_pie_test): New targets.
(two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
(two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
(two_file_pie_test): New target.
* testsuite/Makefile.in: Rebuild.
* README: Remove note saying that -pie is not supported.
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* layout.cc (Layout::make_output_section): Call target hook to make
ordinary output section.
(Layout::finalize): Adjust parameter list of call the
Target::may_relax().
* layout.h (class Layout::section_list): New method.
* merge.h (Output_merge_base::entsize): Change visibility to public.
(Output_merge_base::is_string, Output_merge_base::do_is_string):
New methods.
(Output_merge_string::do_is_string): New method.
* object.cc (Sized_relobj::do_setup): renamed from
Sized_relobj::set_up.
* object.h (Sized_relobj::adjust_shndx,
Sized_relobj::initializ_input_to_output_maps,
Sized_relobj::free_input_to_output_maps): Change visibilities to
protected.
(Sized_relobj::setup): Virtualize.
(Sized_relobj::do_setup): New method declaration.
(Sized_relobj::invalidate_section_offset,
Sized_relobj::do_invalidate_section_offset): New method decfinitions.
(Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
* options.cc (parse_int): New function.
* options.h (parse_int): New declaration.
(DEFINE_int): New macro.
(stub_group_size): New option.
* output.cc (Output_section::Output_section): Initialize memebers
merge_section_map_, merge_section_by_properties_map_,
relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
(Output_section::add_input_section): Handled deferred code-fill
generation and remove an old comment.
(Output_section::add_relaxed_input_section): New method definition.
(Output_section::add_merge_input_section): Use merge section by
properties map to speed to search. Update merge section maps
as appropriate.
(Output_section::build_relaxation_map): New method definition.
(Output_section::convert_input_sections_in_list_to_relaxed_sections):
Same.
(Output_section::relax_input_section): Renamed to
Output_section::convert_input_sections_to_relaxed_sections and change
interface to take a vector of pointers to relaxed sections.
(Output_section::find_merge_section,
Output_section::find_relaxed_input_section): New method definitions.
(Output_section::is_input_address_mapped,
Output_section::output_offset, Output_section::output_address):
Use output section data maps to speed up searching.
(Output_section::find_starting_output_address): Add comments.
(Output_section::do_write,
Output_section::write_to_postprocessing_buffer): Do code-fill
generation as appropriate.
(Output_section::get_input_sections): Invalidate relaxed input section
map.
(Output_section::restore_states): Adjust type of checkpoint .
Invalidate relaxed input section map.
* output.h (Output_merge_base): New class declaration.
(Input_section_specifier): New class defintion.
(class Output_relaxed_input_section) Change base class to
Output_section_data_build.
(Output_relaxed_input_section::Output_relaxed_input_section): Adjust
base class initializer.
(Output_section::add_relaxed_input_section): New method declaration.
(Output_section::Input_section): Change visibility to protected.
(Output_section::Input_section::relobj,
Output_section::Input_section::shndx): Handle relaxed input sections.
Output_section::input_sections) Change visibility to protected. Also
define overload to return a non-const pointer.
(Output_section::Merge_section_properties): New class defintion.
(Output_section::Merge_section_by_properties_map,
Output_section::Output_section_data_by_input_section_map,
Output_section::Relaxation_map): New types.
(Output_section::relax_input_section): Rename method to
Output_section::convert_input_sections_to_relaxed_sections and change
interface to take a vector of relaxed section pointers.
(Output_section::find_merge_section,
Output_section::find_relaxed_input_section,
Output_section::build_relaxation_map,
Output_section::convert_input_sections_in_list_to_relaxed_sections):
New method declarations.
(Output_section::merge_section_map_
Output_section::merge_section_by_properties_map_,
Output_section::relaxed_input_section_map_,
Output_section::is_relaxed_input_section_map_valid_,
Output_section::generate_code_fills_at_write_): New data members.
* script-sections.cc
(Output_section_element_input::set_section_addresses): Call
current_data_size and addralign methods of relaxed input sections.
(Orphan_output_section::set_section_addresses): Call current_data_size
and addralign methods of relaxed input sections.
* symtab.cc (Symbol_table::compute_final_value): Extract template
from the body of Symbol_table::sized_finalize_symbol.
(Symbol_table::sized_finalized_symbol): Call
Symbol_table::compute_final_value.
* symtab.h (Symbol_table::Compute_final_value_status): New enum type.
(Symbol_table::compute_final_value): New templated method declaration.
* target.cc (Target::do_make_output_section): New method defintion.
* target.h (Target::make_output_section): New method declaration.
(Target::relax): Add more parameters for input objects, symbol table
and layout. Adjust call to do_relax.
(Target::do_make_output_section): New method declaration.
(Target::do_relax): Add parameters for input objects, symbol table
and layout.
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sized_target, and set_target methods.
(Object::sized_target): Remove.
(class Sized_relobj): Update declarations. Remove sized_target.
* object.cc (Sized_relobj::setup): Remove target parameter.
Change all callers.
(Input_objects::add_object): Don't do anything with the target.
(make_elf_sized_object): Add punconfigured parameter. Change all
callers. Set or test parameter target.
* dynobj.cc (Sized_dynobj::target): Remove target parameter.
Change all callers.
* parameters.cc (Parameters::set_target): Change parameter type to
be non-const.
(Parameters::default_target): Remove.
(set_parameters_target): Change parameter type to be non-const.
(parameters_force_valid_target): New function.
(parameters_clear_target): New function.
* parameters.h (class Parameters): Update declarations. Remove
default_target method. Add sized_target and clear_target
methods. Change target_ to be non-const.
(set_parameters_target): Update declaration.
(parameters_force_valid_target): Declare.
(parameters_clear_target): Declare.
* readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
as NULL if we aren't searching.
(Add_symbols::run): Don't check for compatible target.
* fileread.cc (Input_file::open_binary): Call
parameters_force_valid_target.
* gold.cc (queue_middle_tasks): Likewise.
* plugin.cc (make_sized_plugin_object): Likewise. Don't call
set_target on object.
* dynobj.h (class Sized_dynobj): Update declarations.
* archive.cc (Archive::get_elf_object_for_member): Return NULL if
make_elf_object returns NULL.
(Archive::include_member): Don't check whether object target is
compatible.
* output.cc (Output_section::add_input_section): Get target from
parameters.
(Output_section::relax_input_section): Likewise.
* reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
parameters.
(Sized_relobj::do_scan_relocs): Likewise.
(Sized_relobj::relocate_sections): Likewise.
* resolve.cc (Symbol_table::resolve): Likewise.
* symtab.cc (Symbol_table::wrap_symbol): Likewise. Remove object
parameter. Change all callers.
(Symbol_table::add_from_object): Get target from parameters.
(Symbol_table::add_from_relobj): Don't check object target.
(Symbol_table::add_from_dynobj): Likewise.
(Symbol_table::define_special_symbol): Get target from
parameters.
* symtab.h (class Symbol_table): Update declaration.
* testsuite/binary_unittest.cc (gold_testsuite): Remove target
parameter. Change all callers. Clear parameter target.
(Binary_test): Test target here.
* testsuite/object_unittest.cc (gold_testsuite): Remove
target_test_pointer parameter. Change all callers.
(Object_test): Test target here.
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|
* debug.h (DEBUG_RELAXATION): New constant.
(DEBUG_ALL): Add DEBUG_RELAXATION.
(debug_string_to_enum): Add relaxation debug option.
* layout.cc
(Layout::Relaxation_debug_check::check_output_data_for_reset_values,
Layout::Relaxation_debug_check::read_sections,
Layout::Relaxation_debug_check::read_sections): New method definitions.
(Layout::Layout): Initialize data members
record_output_section_data_from_scrips_,
script_output_section_data_list_ and relaxation_debug_check_.
(Layout::save_segments, Layout::restore_segments,
Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
Layout::relaxation_loop_body): New method definitions.
(Layout::finalize): Support relaxation. Move section layout code to
Layout::relaxation_loop_body.
(Layout::set_asection_address_from_script): Move code for orphan
section placement out.
(Layout::place_orphan_sections_in_script): New method definition.
* layout.h (Output_segment_headers, Output_file_header):
New forward class declarations.
(Layout::~Layout): Define.
(Layout::new_output_section_data_from_script): New method definition.
(Layout::place_orphan_sections_in_script): New method declaration.
(Layout::Segment_states): New type declaration.
(Layout::save_segments, Layout::restore_segments,
Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
Layout::relaxation_loop_body): New method declarations.
(Layout::Output_section_data_list): New type declaration.
(Layout::Relaxation_debug_check): New class definition.
(Layout::record_output_section_data_from_script_,
Layout::script_output_section_data_list_, Layout::segment_states_,
Layout::relaxation_debug_check_): New data members.
* output.cc: (Output_section_headers::do_size): New method definition.
(Output_section_headers::Output_section_headers): Move size
computation to Output_section_headers::do_size.
(Output_segment_headers::do_size): New method definition.
(Output_file_header::Output_file_header): Move size computation to
Output_file_header::do_size and call it.
(Output_file_header::do_size): New method definition.
(Output_data_group::Output_data_group): Adjust call to
Output_section_data.
(Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
(Output_symtab_xindex::do_write): Add array bound check.
(Output_section::Input_section::print_to_mapfile): Handle
RELAXED_INPUT_SECTION_CODE.
(Output_section::Output_section): Initialize data member checkpoint_.
(Output_section::~Output_section): Delete checkpoint object pointed
by checkpoint_.
(Output_section::add_input_section): Always add an Input_section if
relaxing.
(Output_section::add_merge_input_section): Add assert.
(Output_section::relax_input_section): New method definition.
(Output_section::set_final_data_size): Set load address to zero for
an unallocated section.
(Output_section::do_address_and_file_offset_have_reset_values):
New method definition.
(Output_section::Input_section_sort_enty::Input_section_sort_enty):
Handle relaxed input section.
(Output_section::sort_attached_input_sections): Checkpoint input
section list lazily.
(Output_section::get_input_sections): Change type of input_sections to
list of Simple_input_section pointers. Checkpoint input section list
lazily. Also handle relaxed input sections.
(Output_section::add_input_section_for_script): Take a reference to
a Simple_input_section object instead of Relobj pointer and section
index as parameter. Handle relaxed input sections.
(Output_section::save_states, Output_section::restore_states): New
method definitions.
* output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
(Output_data::is_data_size_fixed): New method definition.
(Output_data::reset_addresss_and_file_offset): Do not reset data size
if it is fixed.
(Output_data::address_and_file_offset_have_reset_values): New method
definition.
(Output_data::do_address_and_file_offset_have_reset_values): New method
definition.
(Output_data::set_data_size): Check that data size is not fixed.
(Output_data::fix_data_size): New method definition.
(Output_data::is_data_size_fixed_): New data member.
(Output_section_headers::set_final_data_size): New method definition.
(Output_section_headers::do_size): New method declaration.
(Output_segment_headers::set_final_data_size): New method definition.
(Output_segment_headers::do_size): New method declaration.
(Output_file_header::set_final_data_size)::New method definition.
(Output_file_header::do_size)::New method declaration.
(Output_section_data::Output_section_data): Add new parameter
is_data_size_fixed and use it to fix data size.
(Output_data_const::Output_data_const): Adjust call to base class
constructor and fix data size.
(Output_data_const_buffer::Output_data_const_buffer): Adjust call to
base class constructor and fix data size.
(Output_data_fixed_space::Output_data_fixed_space): Adjust call to
base class constructor and fix data size.
(Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
class constructor and fix data size.
(Output_data_group::set_final_data_size): New method definition.
(Output_data_dynamic::Dynamic_entry::tag): New method definition.
(Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
class constructor and fix data size.
(Output_relaxed_input_section): New class definition.
(Output_section::Simple_input_section): New class definition.
(Output_section::get_input_sections): Adjust parameter list.
(Output_section::add_input_section_for_script): Same.
(Output_section::save_states, Output_section::restore_states,
Output_section::do_address_and_file_offset_have_reset_values,
(Output_section::Input_section::Input_section): Handle
RELAXED_INPUT_SECTION_CODE. Add new overload for
Output_relaxed_input_section.
(Output_section::Input_section::is_input_section,
Output_section::Input_section::set_output_section): Handle relaxed
input section.
(Output_section::Input_section::is_relaxed_input_section,
Output_section::Input_section::output_section_data,
Output_section::Input_section::relaxed_input_section): New method
definitions.
(Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
value.
(Output_section::Input_section::u1_): Update comments.
(Output_section::Input_section::u2_): Add new union member poris.
(Output_section::Checkpoint_output_section): New classs definition.
(Output_section::relax_input_section): New method declaration.
(Output_section::checkpoint_): New data member.
(Output_segment): Update comments.
(Output_segment::Output_segment): Un-privatize copy constructor.
(Output_segment::operator=): Un-privatize.
* script-sections.cc (Output_section_element::Input_section_list):
Change element type to Output_section::Simple_input_section.
(Output_section_element_dot_assignment::set_section_addresses):
Register output section data for relaxation clean up.
(Output_data_exression::Output_data_expression): Adjust call to base
constructor to fix data size.
(Output_section_element_data::set_section_addresses): Register
Output_data_expression object for relaxation clean up.
(struct Input_section_info): Replace Relobj pointer and section index
pair with Output_section::Simple_input_section and Convert struct to a
class.
(Input_section_sorter::operator()): Adjust access to
Input_section_info data member to use accessors.
(Output_section_element_input::set_section_addresses): Use layout
parameter. Adjust code to use Output_section::Simple_input_section
and Input_secction_info classes. Register filler for relaxation
clean up.
(Orphan_output_section::set_section_addresses): Replace Relobj pointer
and section index pair with Output_section::Simple_input_section
class. Adjust code accordingly.
(Phdrs_element::release_segment): New method definition.
(Script_sections::attach_sections_using_phdrs_clause): Do not modify
segment list.
(Script_sections::release_segments): New method definition.
* gold/script-sections.h (Script_sections::release_segments): New
method declaration.
* gold/target.h (Target::may_relax, Target::relax,
Target::do_may_relax, Target::do_relax): New method definitions.
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|
* testsuite/Makefile.am (permission_test): New test.
* testsuite/Makefile.in: Regenerate.
|
|
than map.
|
|
(Output_file::map_anonymous): Changed return type to bool. Record
map in base_ field.
(Output_file::map_no_anonymous): New method, broken out of map.
(Output_file::map): Use map_no_anonymous and map_anonymous.
* output.h (class Output_file): Update declarations.
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|
* layout.cc (Layout::choose_output_section): If we find an
existing section, update the flags.
(Layout::create_notes): New function, broken out of
Layout::finalize.
(Layout::finalize): Don't create note sections.
(Layout::create_note): Don't crash if linker script discards
section.
(Layout::create_gold_note): Likewise.
(Layout::create_build_id): Likewise. Don't set
after_input_sections on the section.
(Layout::create_executable_stack_info): Remove target parameter.
Change caller.
* layout.h (class Layout): Declare create_notes. Update
declaration of create_executable_stack_info.
* gold.cc (queue_middle_tasks): Call create_notes.
* output.cc (Output_section::update_flags_for_input_section): Move
here from output.h. If SHF_ALLOC flag is newly set, mark address
invalid.
* output.h (Output_data::mark_address_invalid): New function.
(class Output_section): Only declare, not define,
update_flags_for_input_section. Remove set_flags.
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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.
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* output.cc (Output_file::close): After short writes, continue
writing from the correct offset in the buffer being written.
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(Output_file::map): Use map_anonymous. If the regular mmap fails,
try an anonymous one. Report the size if the mmap fails.
* output.h (class Output_file): Declare map_anonymous.
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|
* freebsd.h: New file.
* i386.cc: Include "freebsd.h".
(Target_i386): Derive from Target_freebsd rather than
Sized_target.
(Target_selector_i386): Derive from Target_selector_freebsd rather
than Target_selector.
* x86_64.cc: Include "freebsd.h".
(Target_x86_64): Derive from Target_freebsd rather than
Sized_target.
(Target_selector_x86_64): Derive from Target_selector_freebsd
rather than Target_selector.
* target.h (class Target): Add adjust_elf_header and
do_adjust_elf_header.
* output.cc (Output_file_header:: do_sized_write): Call target
adjust_elf_header routine.
* configure.tgt: Set targ_osabi.
* configure.ac: Define GOLD_DEFAULT_OSABI.
* parameters.cc (Parameters::default_target): Pass
GOLD_DEFAULT_OSABI to select_target.
* target-select.h (class Target_selector): Make instantiate_target
protected rather than private.
* Makefile.am (HFILES): Add freebsd.h.
* configure, Makefile.in, config.in: Rebuild.
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ftruncate.
* ftruncate.c: New file, from gnulib.
* output.cc (posix_fallocate): Define dummy version if not
HAVE_POSIX_FALLOCATE.
(Output_file::map): Call posix_fallocate rather than lseek and
write.
* gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
* configure, Makefile.in, config.in: Rebuild.
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|
* output.cc (Output_section::find_starting_output_address): Rename
from starting_output_address; add PADDR parameter; change return
type.
* output.h (class Output_section): Declare
find_starting_output_address instead of starting_output_address.
* object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
section symbol for which we can't find a merge section.
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|
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* object.cc (Sized_relobj::do_layout): Use constant invalid_address
instead of -1U.
(Sized_relobj::do_finalize_local_symbols): Likewise.
(Sized_relobj::map_to_kept_section): Likewise.
* object.h (Sized_relobj::invalid_address): New constant.
(Sized_relobj::do_output_section_offset): Check for invalid_address
and return -1ULL.
* output.cc (Output_reloc::local_section_offset): Use constant
invalid_address instead of -1U.
(Output_reloc::get_address): Likewise.
(Output_section::output_address): Change -1U to -1ULL.
* output.h (Output_reloc::invalid_address): New constant.
* reloc.cc (Sized_relobj::write_sections): Use constant
invalid_address instead of -1U.
(Sized_relobj::relocate_sections): Likewise.
* symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
values for merge sections.
* target-reloc.h (relocate_for_relocatable): Use constant
invalid_address instead of -1U.
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set tls_segment_ or relro_segment_.
(Layout::make_output_segment): Set tls_segment_ and relro_segment_
when appropriate.
* output.h (Output_section::clear_is_relro): New function.
* output.cc (Output_segment::add_output_section): Handle SHF_TLS
sections specially even when output_data_ is empty.
(Output_segment::maximum_alignment): When first section is relro,
only force alignment for PT_LOAD segments.
* script.cc (script_data_segment_align): New function.
(script_data_segment_relro_end): New function.
* script-c.h (script_data_segment_align): Declare.
(script_data_segment_relro_end): Declare.
* script-sections.h (class Script_sections): Declare
data_segment_align and data_segment_relro_end. Add fields
segment_align_index_ and saw_relro_end_.
* script-sections.cc (class Sections_element): Add set_is_relro
virtual function. Add new bool* parameter to place_orphan_here.
Add get_output_section virtual function.
(class Output_section_definition): Add set_is_relro. Add new
bool* parameter to place_orphan_here. Add get_output_section.
Add is_relro_ field.
(Output_section_definition::Output_section_definition): Initialize
evaluated_address_, evaluated_load_address, evaluated_addralign_,
and is_relro_ fields.
(Output_section_definition::place_orphan_here): Add is_relro
parameter.
(Output_section_definition::set_section_addresses): Set relro for
output section.
(Output_section_definition::alternate_constraint): Likewise.
(class Orphan_output_section): Add new bool* parameter to
place_orphan_here. Add get_output_section.
(Orphan_output_section::place_orphan_here): Add is_relro
parameter.
(Script_sections::Script_sections): Initialize
data_segment_align_index_ and saw_relro_end_.
(Script_sections::data_segment_align): New function.
(Script_sections::data_segment_relro_end): New function.
(Script_sections::place_orphan): Set or clear is_relro.
(Script_sections::set_section_addresses): Force alignment of first
TLS section.
* yyscript.y (exp): Call script_data_segment_align and
script_data_segment_relro_end.
* testsuite/relro_script_test.t: New file.
* testsuite/relro_test.cc (using_script): Declare.
(t1, t2): Test using_script.
* testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
(relro_script_test_SOURCES): Define.
(relro_script_test_DEPENDENCIES): Define.
(relro_script_test_LDFLAGS): Define.
(relro_script_test_LDADD): Define.
(relro_script_test.so): New target.
* testsuite/Makefile.in: Rebuild.
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* descriptors.cc: New file.
* descriptors.h: New file.
* gold-threads.h (class Hold_optional_lock): New class.
* fileread.cc: Include "descriptors.h".
(File_read::~File_read): Release descriptor rather than closing
it.
(File_read::open) [file]: Call open_descriptor rather than open.
Set is_descriptor_opened_.
(File_read::open) [memory]: Assert that descriptor is not open.
(File_read::reopen_descriptor): New function.
(File_read::release): Release descriptor.
(File_read::do_read): Make non-const. Reopen descriptor.
(File_read::read): Make non-const.
(File_read::make_view): Reopen descriptor.
(File_read::do_readv): Likewise.
* fileread.h (class File_read): Add is_descriptor_opened_ field.
Update declarations.
* layout.cc: Include "descriptors.h".
(Layout::create_build_id): Use open_descriptor rather than open.
* output.cc: Include "descriptors.h".
(Output_file::open): Use open_descriptor rather than open.
* archive.cc (Archive::const_iterator): Change Archive to be
non-const.
(Archive::begin, Archive::end): Make non-const.
(Archive::count_members): Likewise.
* archive.h (class Archive): Update declarations.
* object.h (Object::read): Make non-const.
* Makefile.am (CCFILES): Add descriptors.cc.
(HFILES): Add descriptors.h.
* Makefile.in: Rebuild.
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|
merge empty merge sections.
|
|
* object.h (class Relobj): Change map_to_output_ to
output_sections_, and just keep a section pointer. Change all
uses. Move comdat group support to Sized_relobj.
(Relobj::is_section_specially_mapped): Remove.
(Relobj::output_section): Remove poff parameter. Change all
callers.
(Relobj::output_section_offset): New function.
(Relobj::set_section_offset): Rewrite.
(Relobj::map_to_output): Remove.
(Relobj::output_sections): New function.
(Relobj::do_output_section_offset): New pure virtual function.
(Relobj::do_set_section_offset): Likewise.
(class Sized_relobj): Add section_offsets_ field. Add comdat
group support from Relobj. Update declarations.
(Sized_relobj::get_output_section_offset): New function.
(Sized_relobj::do_output_section_offset): New function.
(Sized_relobj::do_set_section_offset): New function.
* object.cc (Relobj::output_section_address): Remove.
(Sized_relobj::Sized_relobj): Initialize new fields.
(Sized_relobj::include_section_group): Cast find_kept_object to
Sized_relobj.
(Sized_relobj::include_linkonce_section): Likewise.
(Sized_relobj::do_layout): Use separate arrays for output section
and output offset.
(Sized_relobj::do_count_local_symbols): Change map_to_output to
output_sections.
(Sized_relobj::do_finalize_local_symbols): Change map_to_output to
output_sections and section_offsets.
(Sized_relobj::write_local_symbols): Likewise.
(map_to_kept_section): Compute output address directly.
* reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
output_sections and section_offsets.
(Sized_relobj::write_sections): Likewise.
(Sized_relobj::relocate_sections): Likewise.
* symtab.cc (sized_finalize_symbol): Use output_section_offset.
* output.h (class Output_reloc): Update declarations. Change
u2_.relobj to Sized_relobj*.
(class Output_data_reloc): Change add functions to use
Sized_relobj*.
* output.cc (Output_reloc::Output_reloc): Change relobj to
Sized_relobj*.
(Output_reloc::local_section_offset): Change return type to
Elf_Addr. Use get_output_section_offset.
(Output_reloc::get_address): Likewise.
(Output_section::is_input_address_mapped): Don't call
is_section_specially_mapped.
(Output_section::output_offset): Likewise.
(Output_section::output_address): Likewise.
(Output_section::starting_output_address): Likewise.
* copy-relocs.cc (Copy_relocs::copy_reloc): Change object
parameter to Sized_relobj*.
(Copy_relocs::need_copy_reloc): Likewise.
(Copy_relocs::save): Likewise.
* copy-relocs.h (class Copy_relocs): Update declarations.
(class Copy_relocs::Copy_reloc_entry): Change constructor to use
Sized_relobj*. Change relobj_ field to Sized_relobj*.
* target-reloc.h (relocate_for_relocatable): Change
offset_in_output_section type to Elf_Addr. Change code that uses
it as well.
* layout.cc (Layout::layout): Always set *off.
* mapfile.cc (Mapfile::print_input_section): Use
output_section_offset.
* i386.cc (Target_i386::copy_reloc): Change object parameter to
Sized_relobj*.
* powerpc.cc (Target_powerpc::copy_reloc): Likewise.
* sparc.cc (Target_sparc::copy_reloc): Likewise.
* x86_64.cc (Target_x86_64::copy_reloc): Likewise.
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|
* mapfile.h: New file.
* options.h (class General_options): Add -M/--print-map and -Map.
* options.cc (General_options::finalize): Make -M equivalent to
-Map -.
* main.cc: Include <cstdio> and "mapfile.h".
(main): Open mapfile if requested.
* gold.cc (class Middle_runner): Add mapfile_ field. Update
constructor. Change caller.
(queue_initial_tasks): Add mapfile parameter. Change caller.
(queue_middle_tasks): Likewise.
* gold.h (queue_initial_tasks, queue_middle_tasks): Update
declarations.
* archive.cc: Include "mapfile.h".
(Archive::add_symbols): Add mapfile parameter. Change all
callers. Pass mapfile, symbol, and reason to include_member.
(Archive::include_all_members): Add mapfile parameter. Change all
callers.
(Archive::include_member): Add mapfile, sym, and why parameters.
Change all callers. Report inclusion to map file.
* archive.h: Include "fileread.h".
(class Archive): Update declarations.
(Archive::file): New const method.
(class Add_archive_symbols): Add mapfile_ field. Update
constructor. Change all callers.
* readsyms.h (class Read_symbols): Likewise.
(class Finish_group): Likewise.
(class Read_script): Likewise.
* common.cc: Include "mapfile.h".
(Symbol_table::allocate_commons): Add mapfile parameter. Change
all callers.
(Symbol_table::do_allocate_commons): Likewise.
(Symbol_table::do_allocate_commons_list): Likewise. Report common
symbol allocation to mapfile.
* common.h (class Allocate_commons_task): Add mapfile_ field.
Update constructor. Change all callers.
* symtab.h (class Symbol_table): Update declarations.
* layout.cc: Include "mapfile.h".
(Layout_task_runner::run): Print information to mapfile.
(Layout::create_gold_note): Change Output_data_fixed_space to
Output_data_zero_fill.
(Layout::create_build_id): Likewise.
(Layout::print_to_mapfile): New function.
* layout.h (class Layout_task_runner): Add mapfile_ field. Update
constructor. Change caller.
(class Layout): Declare print_to_mapfile.
* output.cc (Output_section::Input_section::print_to_mapfile): New
function.
(Output_section::add_input_section): If producing a map, always
add to input_sections_ list.
(Output_section::do_print_to_mapfile): New function.
(Output_segment::print_sections_to_mapfile): New function.
(Output_segment::print_section_list_to_mapfile): New function.
* output.h: Include "mapfile.h".
(Output_data::print_to_mapfile): New function.
(Output_data::do_print_to_mapfile): New virtual function.
(Output_segment_headers::do_print_to_mapfile): New function.
(Output_file_header::do_print_to_mapfile): New function.
(Output_data_const::do_print_to_mapfile): New function.
(class Output_data_const_buffer): Add map_name_ field. Update
constructor. Change all callers. Add do_print_to_mapfile
function.
(class Output_data_fixed_space): Likewise.
(class Output_data_space): Likewise.
(class Output_data_zero_fill): New class.
(Output_data_strtab::do_print_to_mapfile): New function.
(Output_data_reloc_base::do_print_to_mapfile): New function.
(Output_relocatable_relocs::do_print_to_mapfile): New function.
(Output_data_group::do_print_to_mapfile): New function.
(Output_data_got::do_print_to_mapfile): New function.
(Output_data_dynamic::do_print_to_mapfile): New function.
(Output_symtab_xindex::do_print_to_mapfile): New function.
(class Output_section): Declare do_print_to_mapflie. Declare
print_to_mapfile in Input_section.
(class Output_segment): Declare new functions.
* object.h (Sized_relobj::symbol_count): New function.
* script-sections.cc
(Output_section_element_dot_assignment::set_section_addresses):
Change Output_data_fixed_space to Output_data_zero_fill.
(Output_data_expression::do_print_to_mapfile): New function.
* script.cc (read_input_script): Add mapfile parameter. Change
all callers.
* script.h (read_input_script): Update declaration.
* ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
(Eh_frame::do_print_to_mapfile): New function.
* merge.h (Output_merge_data::do_print_to_mapfile): New function.
(Output_merge_string::do_print_to_mapfile): New function.
* i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
function.
* sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
function.
* x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
function.
* Makefile.am (CCFILES): Add mapfile.cc.
(HFILES): Add mapfile.h.
* Makefile.in: Rebuild.
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* layout.cc (Layout::Layout): Initialize relro_segment_.
(Layout::add_output_section_data): Return the output section.
(Layout::make_output_section): Rcognize relro sections and mark
them appropriately.
(Layout::attach_allocated_section_to_segment): Put relro sections
in a PT_GNU_RELRO segment.
(Layout::create_initial_dynamic_sections): Mark the .dynamic
section as relro.
(Layout::segment_precedes): Sort PT_GNU_RELRO segments after
PT_TLS segments.
(Layout::linkonce_mapping): Map d.rel.ro.local to
.data.rel.ro.local.
(Layout::output_section_name): Us .data.rel.ro.local for any
section which begins with that.
* layout.h (class Layout): Update add_output_section_data
declaration. Add relro_segment_ field.
* output.cc (Output_section::Output_section): Initialize is_relro_
and is_relro_local_ fields.
(Output_segment::add_output_section): Group relro sections.
(Output_segment::is_first_section_relro): New function.
(Output_segment::maximum_alignment): If there is a relro section,
align the segment to the common page size.
(Output_segment::set_section_addresses): Track whether we are
looking at relro sections. If the last section is a relro
section, align to the common page size.
(Output_segment::set_section_list_addresses): Add in_relro
parameter. Change all callers. Align to the page size when
moving from relro to non-relro section.
(Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
segment.
* output.h (class Output_section): Add is_relro_ and
is_relro_local_ fields.
(Output_section::is_relro): New function.
(Output_section::set_is_relro): New function.
(Output_section::is_relro_local): New function.
(Output_section::set_is_relro_local): New function.
(class Output_segment): Update declarations.
* i386.cc (Target_i386::got_section): Mark .got section as relro.
* sparc.cc (Target_sparc::got_section): Likewise.
* x86_64.cc (Target_x86_64::got_section): Likewise.
* testsuite/relro_test_main.cc: New file.
* testsuite/relro_test.cc: New file.
* testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
(relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
(relro_test_LDFLAGS, relro_test_LDADD): New variables.
(relro_test.so, relro_test_pic.o): New targets.
* testsuite/Makefile.in: Rebuild.
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parameter.
* output.h (class Output_segment): Remove
add_initial_output_section and overloaded add_output_section.
Update declaration of remaining add_output_section.
* layout.cc (Layout::create_interp): Call add_output_section
rather than add_initial_output_section.
(Layout::finish_dynamic_section): Likewise.
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Elf_Addr.
* output.h (class Output_reloc): Update get_address declaration.
* x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
for section addresses.
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* options.h (DEFINE_bool): For DASH_Z, create the negative option
as noVARNAME rather than no-VARNAME.
(class General_options): Add option -z combreloc.
* output.h (class Output_reloc) [SHT_REL]: Declare compare and
get_address.
(Output_reloc::sort_before) [SHT_REL]: New function.
(Output_reloc::sort_before) [SHT_RELA]: New function.
(class Output_data_reloc_base): Add sort_relocs_ field. Define
Sort_relocs_comparison.
(Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
parameter. Change all callers.
(Output_data_reloc::Output_data_reloc) [both versions]: Add
sort_relocs parameter. Change all callers.
* output.cc (Output_reloc::get_address): New function, broken out
of write_rel.
(Output_reloc::write_rel): Call it.
(Output_reloc::compare): New function.
(Output_data_reloc_base::do_write): Optionally sort relocs.
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indexes read from group data. Build vector to pass to
layout_group.
* layout.cc (Layout::layout_group): Add flags and shndxes
parameters. Remove contents parameter. Change caller. Update
explicit instantiations.
* layout.h (class Layout): Update layout_group declaration.
* output.cc (Output_data_group::Output_data_group): Add flags and
input_shndxes parameters. Remove contents parameter. Change
caller.
(Output_data_group::do_write): Change input_sections_ to
input_shndxes_.
* output.h (class Output_data_group): Update constructor
declaration. Rename input_sections_ to input_shndxes_.
* testsuite/many_sections_test.cc: Add template.
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(Xindex::read_symtab_xindex): New function.
(Xindex::sym_xindex_to_shndx): New function.
(Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
available.
(Sized_relobj::do_initialize_xindex): New function.
(Sized_relobj::do_read_symbols): Adjust section links.
(Sized_relobj::symbol_section_and_value): Add is_ordinary
parameter. Change all callers.
(Sized_relobj::include_section_group): Adjust section links and
symbol section indexes.
(Sized_relobj::do_layout): Adjust section links.
(Sized_relobj::do_count_local_symbols): Adjust section links and
symbol section indexes.
(Sized_relobj::do_finalize_local_symbols): Distinguish between
ordinary and special symbols.
(Sized_relobj::write_local_symbols): Add symtab_xindex and
dynsym_xindex parameters. Change all callers. Adjust section
links. Use SHN_XINDEX when needed.
(Sized_relobj::get_symbol_location_info): Adjust section links.
Don't get fooled by special symbols.
* object.h (class Xindex): Define.
(class Object): Add xindex_ parameter. Declare virtual functoin
do_initialize_xindex.
(Object::adjust_sym_shndx): New function.
(Object::set_xindex): New protected function.
(class Symbol_value): Add is_ordinary_shndx_ field.
(Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
(Symbol_value::value): Assert ordinary section.
(Symbol_value::initialize_input_to_output_map): Likewise.
(Symbol_value::set_input_shndx): Add is_ordinary parameter.
Change all callers.
(Symbol_value::input_shndx): Add is_ordinary parameter. Change
all callers.
(class Sized_relobj): Update declarations.
(Sized_relobj::local_symbol_input_shndx): Add is_ordinary
parameter. Change all callers.
(Sized_relobj::adjust_shndx): New function.
* dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
field.
(Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
(Sized_dynobj::read_dynsym_section): Adjust section links.
(Sized_dynobj::read_dynamic): Likewise.
(Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
section links.
(Sized_dynobj::do_initialize_xindex): New function.
* dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
do_initialize_xindex.
(Sized_dynobj::adjust_shndx): New function.
* layout.cc (Layout::Layout): Initialize symtab_xindex_ and
dynsym_xindex_ fields.
(Layout::finalize): Add a call to set_section_indexes before
creating the symtab sections.
(Layout::set_section_indexes): Don't do anything if the section
already has a section index.
(Layout::create_symtab_sections): Add shnum parameter. Change
caller. Create .symtab_shndx section if needed.
(Layout::create_shdrs): Add shstrtab_section parameter. Change
caller.
(Layout::allocated_output_section_count): New function.
(Layout::create_dynamic_symtab): Create .dynsym_shndx section if
needed.
* layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
fields. Update declarations.
(Layout::symtab_xindex): New function.
(Layout::dynsym_xindex): New function.
(class Write_symbols_task): Add layout_ field.
(Write_symbols_task::Write_symbols_task): Add layout parameter.
Change caller.
* output.cc (Output_section_headers::Output_section_headers): Add
shstrtab_section parameter. Change all callers.
(Output_section_headers::do_sized_write): Store overflow values
for section count and section string table section index in
section header zero.
(Output_file_header::do_sized_write): Check for overflow of
section count and section string table section index.
(Output_symtab_xindex::do_write): New function.
(Output_symtab_xindex::endian_do_write): New function.
* output.h (class Output_section_headers): Add shstrtab_section_.
Update declarations.
(class Output_symtab_xindex): Define.
(Output_section::has_out_shndx): New function.
* symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
field.
(Symbol::init_base): Add st_shndx and is_ordinary parameters.
Change all callers.
(Sized_symbol::init): Likewise.
(Symbol::output_section): Check for ordinary symbol.
(Symbol_table::add_from_object): Remove orig_sym parameter. Add
st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
callers.
(Symbol_table::add_from_relobj): Add symndx_offset parameter.
Change all callers. Simplify handling of symbols from sections
not included in the link.
(Symbol_table::add_from_dynobj): Handle ordinary symbol
distinction.
(Weak_alias_sorter::operator()): Assert that symbols are
ordinary.
(Symbol_table::sized_finalize_symbol): Handle ordinary symbol
distinction.
(Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
parameters. Change all callers.
(Symbol_table::sized_write_globals): Likewise. Handle ordinary
symbol distinction. Use SHN_XINDEX when needed.
(Symbol_table::write_section_symbol): Add symtab_xindex
parameter. Change all callers.
(Symbol_table::sized_write_section_symbol): Likewise. Use
SHN_XINDEX when needed.
* symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
declarations.
(Symbol::shndx): Add is_ordinary parameter. Change all callers.
(Symbol::is_defined): Check is_ordinary.
(Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
(Symbol::is_absolute, Symbol::is_common): Likewise.
(class Sized_symbol): Update declarations.
(class Symbol_table): Update declarations.
* resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
parameters. Change all callers.
(Sized_symbol::override): Likewise.
(Symbol_table::override): Likewise.
(symbol_to_bits): Add is_ordinary parameter. Change all callers.
(Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
is_ordinary, and orig_st_shndx parameters. Change all callers.
* copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
to be in an ordinary section.
* dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
object and is_ordinary parameters. Change all callers.
(Sized_dwarf_line_info::read_relocs): Add object parameter.
Change all callers. Don't add undefined or non-ordinary symbols
to reloc_map_.
(Sized_dwarf_line_info::read_line_mappings): Add object parameter.
Change all callers.
* dwarf_reader.h (class Sized_dwarf_line_info): Update
declarations.
* ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
* reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
(Sized_relobj::relocate_sections): Likewise.
* target-reloc.h (scan_relocs): Adjust section symbol index.
(scan_relocatable_relocs): Likewise.
* i386.cc (Scan::local): Check for ordinary symbols.
* sparc.cc (Scan::local): Likewise.
* x86_64.cc (Scan::local): Likewise.
* testsuite/binary_unittest.cc (Sized_binary_test): Update calls
to symbol_section_and_value.
* testsuite/many_sections_test.cc: New file.
* testsuite/Makefile.am (BUILT_SOURCES): Define.
(check_PROGRAMS): Add many_sections_test.
(many_sections_test_SOURCES): Define.
(many_sections_test_DEPENDENCIES): Define.
(many_sections_test_LDFLAGS): Define.
(BUILT_SOURCES): Add many_sections_define.h.
(many_sections_define.h): New target.
(BUILT_SOURCES): Add many_sections_check.h.
(many_sections_check.h): New target.
(check_PROGRAMS): Add many_sections_r_test.
(many_sections_r_test_SOURCES): Define.
(many_sections_r_test_DEPENDENCIES): Define.
(many_sections_r_test_LDFLAGS): Define.
(many_sections_r_test_LDADD): Define.
(many_sections_r_test.o): New target.
* testsuite/Makefile.in: Rebuild.
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(Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
in the name/type/flags to section mapping. Don't call
allocate_output_section.
(Layout::choose_output_section): Change parameter from adjust_name
to is_input_section. Don't permit input sections after sections
are attached to segments. Don't call allocate_output_section.
(Layout::layout_eh_frame): Call update_flags_for_input_section,
not write_enable_output_section.
(Layout::make_output_section): Don't push to
unattached_section_list_ nor call attach_to_segment. Call
attach_section_to_segment if sections are attached.
(Layout::attach_sections_to_segments): New function.
(Layout::attach_section_to_segment): New function.
(Layout::attach_allocated_section_to_segment): Rename from
attach_to_segment. Remove flags parameter.
(Layout::allocate_output_section): Remove function.
(Layout::write_enable_output_section): Remove function.
* layout.h (class Layout): Update for above changes. Add new
field sections_are_attached_.
* output.h (Output_section::update_flags_for_input_section): New
function.
* output.cc (Output_section::add_input_section): Call
update_flags_for_input_section.
* gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
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of set_addralign.
* output.cc (Output_section_data::set_addralign): New function.
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