Update DWARF enums from ../include/dwarf2.h.
* dwarf.h (enum DW_TAG): Add new DWARF-4 tags.
(enum DW_FORM): Add new DWARF-4 and Fission extensions.
(enum DW_AT): New enum.
(enum DW_LINE_EXTENDED_OPS): Add new DWARF-4 opcode.
(enum DW_ENCODING): Add new DWARF-4 encoding.
(enum DW_OP): Add new DWARF-4 opcodes.
(enum DW_CHILDREN): New enum.
(enum DW_LANG): New enum.
gold/
* reduced_debug_output.cc
(Output_reduced_debug_info_section::get_die_end): Add new FORM
codes to switch.
Call Object::decompressed_section_contents.
* dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
New dtor.
(Sized_dwarf_line_info::buffer_start_): New data member.
* merge.cc (Output_merge_data::do_add_input_section): Call
Object::decompressed_section_contents.
(Output_merge_string::do_add_input_section): Likewise.
* object.cc (need_decompressed_section): New function.
(build_compressed_section_map): Decompress sections needed later.
(Sized_relobj_file::do_decompressed_section_contents): New function.
(Sized_relobj_file::do_discard_decompressed_sections): New function.
* object.h (Object::decompressed_section_contents): New function.
(Object::discard_decompressed_sections): New function.
(Object::do_decompressed_section_contents): New function.
(Object::do_discard_decompressed_sections): New function.
(Compressed_section_info): New type.
(Compressed_section_map): Include decompressed section contents.
(Sized_relobj_file::do_decompressed_section_contents): New function.
(Sized_relobj_file::do_discard_decompressed_sections): New function.
* arm.cc (Arm_relocate_functions::abs8,
Arm_relocate_functions::abs16): Use
Bits::has_signed_unsigned_overflow32.
(Arm_relocate_functions::thm_abs8): Correct range of
overflow check.
* reloc.h (Bits class): Change minimum number of bits from 0 to 1
in assertions.
definition and ...
(read_unsigned_LEB_128_x): ... this new function.
(read_signed_LEB_128): Replaced with inline definition and ...
(read_signed_LEB_128_x): ... this new function.
* int_encoding.h (read_unsigned_LEB_128_x): New function.
(read_unsigned_LEB_128): Add inline definition.
(read_signed_LEB_128_x): New function.
(read_signed_LEB_128): Add inline definition.
* testsuite/Makefile.am (leb128_unittest): New unit test.
* testsuite/Makefile.in: Regenerate.
* testsuite/leb128_unittest.cc: New unit test.
2012-01-22 H.J. Lu <hongjiu.lu@intel.com>
* x86_64.cc (gc_process_relocs): Add typename on types used in
template.
(scan_relocs): Likewise.
(relocate_section): Likewise.
(apply_relocation): Likewise.
2012-01-10 H.J. Lu <hongjiu.lu@intel.com>
* x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
(Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
under x32.
Use abstract base class for GOT.
* gold/output.h (class Output_data_got_base): New abstract base class.
(class Output_data_got): Derive from new base class, adjust ctors.
(Output_data_got::reserve_slot): Make virtual; rename to
do_reserve_slot; Adjust callers.
* gold/target.h (Sized_target::init_got_plt_for_update): Return
pointer to abstract base class.
* gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
(Relobj::local_plt_offset): New function.
(Relobj::local_has_got_offset): New function.
(Relobj::local_got_offset): New function.
(Relobj::set_local_got_offset): New function.
(Relobj::do_local_symbol_value): New pure virtual function.
(Relobj::do_local_plt_offset): Likewise.
(Relobj::do_local_has_got_offset): Likewise.
(Relobj::do_local_got_offset): Likewise.
(Relobj::do_set_local_got_offset): Likewise.
(Sized_relobj::do_local_has_got_offset): Rename from
local_has_got_offset.
(Sized_relobj::do_local_got_offset): Rename from local_got_offset.
(Sized_relobj::do_set_local_got_offset): Rename from
set_local_got_offset.
(Sized_relobj_file::do_local_plt_offset): Rename from
local_plt_offset.
(Sized_relobj_file::do_local_symbol_value): New function.
* object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
local_plt_offset.
* output.cc (Output_data_got::Got_entry::write): Change object to
Relobj. Use local_symbol_value.
(Output_data_got::add_global_with_rel): Change rel_dyn to
Output_data_reloc_generic*. Use add_global_generic.
(Output_data_got::add_global_with_rela): Remove. Change all
callers to use add_global_with_rel.
(Output_data_got::add_global_pair_with_rel): Change rel_dyn to
Output_data_reloc_generic*. Use add_global_generic.
(Output_data_got::add_global_pair_with_rela): Remove. Change all
callers to use add_global_pair_with_rel.
(Output_data_got::add_local): Change object to Relobj*.
(Output_data_got::add_local_plt): Likewise.
(Output_data_got::add_local_with_rel): Change object to Relobj*,
change rel_dyn to Output_data_reloc_generic*. Use
add_local_generic.
(Output_data_got::add_local_with_rela): Remove. Change all
callers to use all_local_with_rel.
(Output_data_got::add_local_pair_with_rel): Change object to
Relobj*, change rel_dyn to Output_data_reloc_generic*. Use
add_output_section_generic.
(Output_data_got::add_local_pair_with_rela): Remove. Change all
callers to use add_local_pair_with_rel.
(Output_data_got::reserve_local): Change object to Relobj*.
* output.h: (class Output_data_reloc_generic): Add pure virtual
declarations for add_global_generic, add_local_generic,
add_output_section_generic.
(class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
functions for Output_data_reloc_generic. Update declarations for
changes listed in output.cc.
(class Output_data_got): Change template parameter to got_size.
Don't define Rel_dyn or Rela_dyn. Update declarations per above.
* incremental.h (Sized_relobj_incr::do_local_symbol_value): New
function.
(Sized_relobj_incr::do_local_plt_offset): New function.
* copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
add_global_generic.
* script.cc (script_include_directive): Implement.
(read_script_file): New local variables name and search_path. Update
comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
* dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
* dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
NATIVE_LINKER.
* Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
* options.cc (General_options::finalize): Use library search path
from configure script if specified. If not native and no sysroot,
only search TOOLLIBDIR.
* options.h (Search_directory::Search_directory): Change name to
const std::string&.
(General_options::add_to_library_path_with_sysroot): Change arg to
const std::string&.
* configure, Makefile.in, config.in: Rebuild.
we are working around the ARM1176 Erratum.
* options.h (General_options::fix_arm1176): Add option.
* testsuite/Makefile.am: Add testcases, and keep current ones
working.
* testsuite/Makefile.in: Regenerate.
* testsuite/arm_fix_1176.s: New file.
* testsuite/arm_fix_1176.sh: Likewise.
* expression.cc (Expression::eval_with_dot): Add
is_section_dot_assignment parameter.
(Expression::eval_maybe_dot): Likewise. Adjust value when rhs is
absolute and assigning to dot within a section.
* script-sections.cc
(Output_section_element_assignment::set_section_addresses): Pass
dot_section to set_if_absolute.
(Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
as is_section_dot_assignment flag to eval_with_dot.
(Output_section_element_dot_assignment::set_section_addresses):
Likewise.
* script.cc (Symbol_assignment::set_if_absolute): Add dot_section
parameter. Also set value if relative to dot_section; set the
symbol's output_section.
* script.h (Expression::eval_with_dot): Add is_section_dot_assignment
parameter. Adjust all callers.
(Expression::eval_maybe_dot): Likewise.
(Symbol_assignment::set_if_absolute): Add dot_section parameter.
Adjust all callers.
* testsuite/script_test_2.t: Test assignment of an absolute value
to dot within an output section element.
* symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
gc_mark_symbol.
* symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
gc_mark_symbol.
Change to just keep the section associated with symbol.
(Symbol_table::add_from_relobj): Mark symbols as not garbage when
they are externally visible and --export-dynamic is turned on.
(Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
* layout.cc (Layout::segment_precedes): Don't assert failure if a
--section-start option was seen.
* options.h (General_options::any_section_start): New function.
bfd/
PR binutils/13301
* elfxx-sparc.c (sparc_elf_find_reloc_at_ofs): New function.
(_bfd_sparc_elf_relocate_section): Always move the __tls_get_addr
call delay slot instruction forward 4 bytes when performing
relaxation.
gold/
PR binutils/13301
* sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
member to track relocation locations that have moved during TLS
reloc optimizations.
(Target_sparc::Relocate::Relocate): Initialize to NULL.
(Target_sparc::Relocate::relocate): Adjust view down by 4
bytes if it matches reloc_adjust_addr_.
(Target_sparc::Relocate::relocate_tls): Always move the
__tls_get_addr call delay slot instruction forward 4 bytes when
performing relaxation.
ld/testsuite/
* ld-sparc/tlssunbin32.dd: Update for TLS call relaxation fix
for PR 13301.
* ld-sparc/tlssunbin64.dd: Likewise.
* ld-sparc/tlssunpic32.dd: Likewise.
* ld-sparc/tlssunpic64.dd: Likewise.
* plugin.cc (is_visible_from_outside): Check for symbols
referenced from dynamic objects.
* resolve.cc (Symbol_table::resolve): Don't count references
from dynamic objects as references from real ELF files.
* testsuite/plugin_test_2.sh: Adjust expected result.
(queue_middle_tasks): Stamp time.
(queue_final_tasks): Likewise.
* main.cc (main): Store timer in parameters. Print timers
for each pass.
* parameters.cc (Parameters::Parameters): Initialize timer_.
(Parameters::set_timer): New function.
(set_parameters_timer): New function.
* parameters.h (Parameters::set_timer): New function.
(Parameters::timer): New function.
(Parameters::timer_): New data member.
(set_parameters_timer): New function.
* timer.cc (Timer::stamp): New function.
(Timer::get_pass_time): New function.
* timer.h (Timer::stamp): New function.
(Timer::get_pass_time): New function.
(Timer::pass_times_): New data member.
* gold/output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
(Output_reloc::symbol_value): Return PLT offset if flag is set.
* gold/output.h (class Output_reloc): Add use_plt_offset flag.
(Output_reloc::type_): Adjust size of bit field.
(Output_reloc::use_plt_offset_): New bit field.
(class Output_data_reloc): Adjust all calls to Output_reloc_type.
(Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
flag. Adjust all callers.
* gold/x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
creating RELATIVE relocations.
* layout.h (section_order_map_): New member.
(get_section_order_map): New member function.
* output.cc (Output_section::add_input_section): Check for patterns
only when --section-ordering-file is specified.
* gold.cc (queue_middle_tasks): Delay updating order of sections till
output_sections have been formed.
* layout.cc (Layout_Layout): Initialize section_order_map_.
* plugin.cc (update_section_order): Store order in order_map. Do not
update the order.
* testsuite/Makefile.am: Add test case for plugin_final_layout.
* testsuite/Makefile.in: Regenerate.
* testsuite/plugin_section_order.c: New file.
* testsuite/plugin_final_layout.cc: New file.
* testsuite/plugin_final_layout.sh: New file.
Check for NULL.
* gold/symtab.cc (Symbol_table::add_from_relobj): Ignore version
symbols during incremental update.
(Symbol_table::add_from_dynobj): Likewise.
remaining hole size when allocating.
(Layout::make_output_section): Set fill methods for debug sections.
* layout.h (Free_list::Free_list_node): Move from private to
public.
(Free_list::set_min_hole_size): New function.
(Free_list::begin, Free_list::end): New functions.
(Free_list::min_hole_): New data member.
* output.cc: Include dwarf.h.
(Output_fill_debug_info::do_minimum_hole_size): New function.
(Output_fill_debug_info::do_write): New function.
(Output_fill_debug_line::do_minimum_hole_size): New function.
(Output_fill_debug_line::do_write): New function.
(Output_section::Output_section): Initialize new data member.
(Output_section::set_final_data_size): Ensure patch space is larger
than minimum hole size.
(Output_section::do_write): Fill holes in debug sections.
* output.h (Output_fill): New class.
(Output_fill_debug_info): New class.
(Output_fill_debug_line): New class.
(Output_section::set_free_space_fill): New function.
(Output_section::free_space_fill_): New data member.
* testsuite/Makefile.am (incremental_test_3): Add
--incremental-patch option.
(incremental_test_4): Likewise.
(incremental_test_5): Likewise.
(incremental_test_6): Likewise.
(incremental_copy_test): Likewise.
(incremental_common_test_1): Likewise.
* testsuite/Makefile.in: Regenerate.
segment if -Ttext was specified.
* object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
file type.
* object.h (Sized_relobj_file::e_type): New function.
(Sized_relobj_file::e_type_): New data member.
* symtab.cc (Symbol_table::add_from_relobj): Don't add section
base address for ET_EXEC files.
* target.cc (Target::do_make_elf_object_implementation): Allow
ET_EXEC files with --just-symbols option.
the -Ttext option is not 0 modulo the page size. If we clear
load_seg, clear phdr_seg too.
* testsuite/Makefile.am (check_PROGRAMS): Add flagstest_o_ttext_1.
(flagstest_o_ttext_1): New target.
(check_DATA): Add flagstest_o_ttext_2.
(flagstest_o_ttext_2): New target.
* testsuite/Makefile.in: Rebuild.
* symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
only after checking if it cannot be forced local.
* symtab.h (is_externally_visible): Check if the symbol is not forced
local.
Move -EL next to -EB, for better --help output.
* target-select.cc: Include <cstdio>, "options.h", and
"parameters.h".
(Target_selector::do_target_bfd_name): New function.
(print_output_format): New function.
* target-select.h (class Target_selector): Update declarations.
(Target_selector::target_bfd_name): New function.
(print_output_format): Declare.
* main.cc: Include "target-select.h".
(main): Handle --print-output-format.
* gold.cc: Include "target-select.h".
(queue_initial_tasks): Handle --print-output-format when there are
no input files.
* parameters.cc (parameters_force_valid_target): Give a better
error message if -EB/-EL does not match target.
* freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
function.
(Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
(Output_data_plt_i386::do_write): Write address of .dynamic
section to first entry in .got.plt section.
* x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
(Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
Initialize layout_.
(Output_data_plt_x86_64::do_write): Write address of .dynamic
section to first entry in .got.plt section.
* layout.h (Layout::dynamic_section): New function.
* plugin-api.h
(ld_plugin_section): New struct.
(ld_plugin_get_section_count): New typedef.
(ld_plugin_get_section_type): New typedef.
(ld_plugin_get_section_name): New typedef.
(ld_plugin_get_section_contents): New typedef.
(ld_plugin_update_section_order): New typedef.
(ld_plugin_allow_section_ordering): New typedef.
(LDPT_GET_SECTION_COUNT): New enum value.
(LDPT_GET_SECTION_TYPE): New enum value.
(LDPT_GET_SECTION_NAME): New enum value.
(LDPT_GET_SECTION_CONTENTS): New enum value.
(LDPT_UPDATE_SECTION_ORDER): New enum value.
(LDPT_ALLOW_SECTION_ORDERING): New enum value.
(tv_get_section_count): New struct members.
(tv_get_section_type): New struct members.
(tv_get_section_name): New struct members.
(tv_get_section_contents): New struct members.
(tv_update_section_order): New struct members.
(tv_allow_section_ordering): New struct members.
* archive.cc (Archive::get_elf_object_for_member): Add extra parameter
to claim_file call.
* layout.cc (Layout::Layout): Initialize section_ordering_specified_,
input_section_position_, and input_section_glob_.
(read_layout_from_file): Call function section_ordering_specified.
* layout.h (is_section_ordering_specified): New function.
(section_ordering_specified): New function.
(section_ordering_specified_): New boolean member.
* main.cc(main): Call load_plugins after layout object is defined.
* output.cc (Output_section::add_input_section): Use
function section_ordering_specified to check if section ordering is
needed.
* output.cc (Output_section::add_relaxed_input_section): Use
function section_ordering_specified to check if section ordering is
needed.
(Output_section::update_section_layout): New function.
(Output_section::sort_attached_input_sections): Check if input section
must be reordered.
* output.h (Output_section::update_section_layout): New function.
* plugin.cc (get_section_count): New function.
(get_section_type): New function.
(get_section_name): New function.
(get_section_contents): New function.
(update_section_order): New function.
(allow_section_ordering): New function.
(Plugin::load): Add the new interfaces to the transfer vector.
(Plugin_manager::load_plugins): New parameter.
(Plugin_manager::all_symbols_read): New parameter.
(Plugin_manager::claim_file): New parameter. Save the elf object for
unclaimed objects.
(Plugin_manager::get_elf_object): New function.
(Plugin_manager::get_view): Change to directly use the bool to check
if get_view is called from claim_file_hook.
* plugin.h (input_objects): New function
(Plugin__manager::load_plugins): New parameter.
(Plugin_manager::claim_file): New parameter.
(Plugin_manager::get_elf_object): New function.
(Plugin_manager::in_claim_file_handler): New function.
(Plugin_manager::in_claim_file_handler_): New member.
(layout): New function.
* readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
handler with an extra parameter. Make the elf object before calling
claim_file handler.
* testsuite/plugin_test.c (get_section_count): New function pointer.
(get_section_type): New function pointer.
(get_section_name): New function pointer.
(get_section_contents): New function pointer.
(update_section_order): New function pointer.
(allow_section_ordering): New function pointer.
(onload): Check if the new interfaces exist.
* i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
GLOB_DAT relocation rather than a RELATIVE relocation for a
protected symbol when creating a shared library.
* x86_64.cc (Target_x86_64::Scan::global): Likewise.
* testsuite/protected_1.cc (f2, get_f2_addr): New functions.
* testsuite/protected_main_1.cc (main): Test that protected
function has same address.
* target-reloc.h (issue_undefined_symbol_error): New inline
function, broken out of relocate_section.
(relocate_section): Call issue_undefined_symbol_error.
* i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
there is no TLS segment if we are about to issue an undefined
symbol error.
* x86_64.cc (Target_x86_64::relocate_tls): Likewise.
* resolve.cc (Symbol_table::should_override): Add fromtype
parameter. Change all callers. Give error when linking together
TLS and non-TLS symbol.
(Symbol_table::should_override_with_special): Add fromtype
parameter. Change all callers.
* i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
there is no TLS segment if we have reported some errors.
* x86_64.cc (Target_x86_64::relocate_tls): Likewise.
* target.h (Target::plt_address_for_global): New function.
(Target::plt_address_for_local): New function.
(Target::plt_section_for_global): Remove.
(Target::plt_section_for_local): Remove.
(Target::do_plt_address_for_global): New virtual function.
(Target::do_plt_address_for_local): New virtual function.
(Target::do_plt_section_for_global): Remove.
(Target::do_plt_section_for_local): Remove.
(Target::register_global_plt_entry): Add Symbol_table and Layout
parameters.
* output.cc (Output_data_got::Got_entry::write): Use
plt_address_for_global and plt_address_for_local.
* layout.cc (Layout::add_target_dynamic_tags): Use size and
address of output section.
* i386.cc (class Output_data_plt_i386): Add irelative_rel_,
got_irelative_, and irelative_count_ fields. Update
declarations.
(Output_data_plt_i386::has_irelative_section): New function.
(Output_data_plt_i386::entry_count): Add irelative_count_.
(Output_data_plt_i386::set_final_data_size): Likewise.
(class Target_i386): Add got_irelative_ and rel_irelative_
fields. Update declarations.
(Target_i386::Target_i386): Initialize new fields.
(Target_i386::do_plt_address_for_global): New function replacing
do_plt_section_for_global.
(Target_i386::do_plt_address_for_local): New function replacing
do_plt_section_for_local.
(Target_i386::got_section): Create got_irelative_.
(Target_i386::rel_irelative_section): New function.
(Output_data_plt_i386::Output_data_plt_i386): Initialize new
fields. Don't define __rel_iplt_{start,end}.
(Output_data_plt_i386::add_entry): Add symtab and layout
parameters. Change all callers. Use different PLT and GOT for
IFUNC symbols.
(Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
layout parameters. Change all callers. Use different PLT and
GOT.
(Output_data_plt_i386::rel_tls_desc): Fix formatting.
(Output_data_plt_i386::rel_irelative): New function.
(Output_data_plt_i386::address_for_global): New function.
(Output_data_plt_i386::address_for_local): New function.
(Output_data_plt_i386::do_write): Write out IRELATIVE area. Use
IRELATIVE GOT when changing IFUNC GOT entries.
(Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
reloc.
(Target_i386::do_finalize_sections): Create the __rel_iplt symbols
if we didn't create an IRELATIVE GOT.
(Target_i386::Relocate::relocate): Use plt_address_for_global and
plt_address_for_local.
(Target_i386::do_dynsym_value): Use plt_address_for_global.
* x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
got_irelative_, and irelative_count_ fields. Update
declarations.
(Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
Initialize new fields. Remove symtab parameter. Change all
callers.
(Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
irelative_count_.
(Output_data_plt_x86_64::has_irelative_section): New function.
(Output_data_plt_x86_64::entry_count): Add irelative_count_.
(class Target_x86_64): Add got_irelative_ and rel_irelative_
fields. Update declarations.
(Target_x86_64::Target_x86_64): Initialize new fields.
(Target_x86_64::do_plt_address_for_global): New function replacing
do_plt_section_for_global.
(Target_x86_64::do_plt_address_for_local): New function replacing
do_plt_section_for_local.
(Target_x86_64::got_section): Create got_irelative_.
(Target_x86_64::rela_irelative_section): New function.
(Output_data_plt_x86_64::init): Remove symtab parameter. Change
all callers. Don't create __rel_iplt_{start,end}.
(Output_data_plt_x86_64::add_entry): Add symtab and layout
parameters. Change all callers. Use different PLT and GOT for
IFUNC symbols.
(Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
layout parameters. Change all callers. Use different PLT and
GOT.
(Output_data_plt_x86_64::add_relocation): Add symtab and layout
parameters. Change all callers. Use different PLT and GOT for
IFUNC symbols.
(Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
(Output_data_plt_x86_64::rela_irelative): New function.
(Output_data_plt_x86_64::address_for_global): New function.
(Output_data_plt_x86_64::address_for_local): New function.
(Output_data_plt_x86_64::set_final_data_size): Likewise.
(Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
(Target_x86_64::init_got_plt_for_update): Create got_irelative_.
(Target_x86_64::register_global_plt_entry): Add symtab and layout
parameters.
(Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
reloc.
(Target_x86_64::do_finalize_sections): Create the __rela_iplt
symbols if we didn't create an IRELATIVE GOT.
(Target_x86_64::Relocate::relocate): Use plt_address_for_global and
plt_address_for_local.
(Target_x86_64::do_dynsym_value): Use plt_address_for_global.
* testsuite/ifuncvar1.c: New test file.
* testsuite/ifuncvar2.c: New test file.
* testsuite/ifuncvar3.c: New test file.
* testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
(ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
(ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
(ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
* testsuite/Makefile.in: Rebuild.
Check disposition for startup file.
(Incremental_inputs::report_command_line): Ignore
--incremental-startup-unchanged option.
* options.cc (General_options::parse_incremental_startup_unchanged):
New function.
(General_options::General_options): Initialize new data member.
* options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
(General_options): Add --incremental-startup-unchanged option.
(General_options::incremental_startup_disposition): New function.
(General_options::incremental_startup_disposition_): New data member.
input file index to Script_info ctor.
(Sized_incremental_binary::do_file_has_changed): Find the
command-line argument for files named in scripts.
* incremental.h (Script_info::Script_info): New ctor
with input file index.
(Script_info::input_file_index): New function.
(Script_info::input_file_index_): New data member.
(Incremental_binary::get_library): Add const.
(Incremental_binary::get_script_info): Add const.
* readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
* testsuite/Makefile.am (incremental_test_5): New test case.
(incremental_test_6): New test case.
* testsuite/Makefile.in: Regenerate.
--incremental-patch option.
* layout.cc (Free_list::allocate): Extend allocation beyond original
end if enabled.
(Layout::make_output_section): Mark sections that should get
patch space.
* options.cc (parse_percent): New function.
* options.h (parse_percent): New function.
(DEFINE_percent): New macro.
(General_options): Add --incremental-patch option.
* output.cc (Output_section::Output_section): Initialize new data
members.
(Output_section::add_input_section): Print section name when out
of patch space.
(Output_section::add_output_section_data): Likewise.
(Output_section::set_final_data_size): Add patch space when
doing --incremental-full.
(Output_section::do_reset_address_and_file_offset): Remove patch
space.
(Output_segment::set_section_list_addresses): Print debug output
only if --incremental-update.
* output.h (Output_section::set_is_patch_space_allowed): New function.
(Output_section::is_patch_space_allowed_): New data member.
(Output_section::patch_space_): New data member.
* parameters.cc (Parameters::incremental_full): New function.
* parameters.h (Parameters::incremental_full): New function
* testsuite/Makefile.am (incremental_test_2): Add test for
--incremental-patch option.
* testsuite/Makefile.in: Regenerate.
* testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
(t18): Remove function body.
PR gold/12771
* arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
Arm_Address type for relocation result.
(Arm_relocate_functions::abs16): Use unaligned access. Also fix
overflow check.
(Arm_relocate_functions::abs32): Use unaligned access.
(Arm_relocate_functions::rel32): Ditto.
(Arm_relocate_functions::prel31): Ditto.
(Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
* testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
static data relocations.
* testsuite/Makefile.in: Regnerate.
* testsuite/arm_unaligned_reloc.{s,sh}: New files.
* options.h (class General_options): Add -f and -F.
* options.cc (General_options::finalize): Fatal error if -f/-F
are used without -shared.
* layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
PR gold/12952
* resolve.cc (Symbol::override_base_with_special): Don't override
the version if the overriding symbol has a different name.
* dynobj.cc (Versions::add_def): Add dynpool parameter. Change
all callers. If we give an error about an undefined version,
define the base version if necessary.
* dynobj.h (class Versions): Update declaration.
* testsuite/weak_alias_test_5.cc: New file.
* testsuite/weak_alias_test.script: New file.
* testsuite/weak_alias_test_main.cc: Check that versioned_symbol
and versioned_alias have the right value, and call t2.
* testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
weak_alias_test_5.so.
(weak_alias_test_LDADD): Likewise.
(weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
* testsuite/Makefile.in: Rebuild.
* configure.ac: Test whether static linking works, setting
the automake conditional HAVE_STATIC.
* testsuite/Makefile.am: Disable tests using -static if
HAVE_STATIC is not true.
* configure, testsuite/Makefile.in: Rebuild.
* ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
Assert if we see DW_EH_PE_indirect.
* target.h (Target::ehframe_datarel_base): New function.
(Target::do_ehframe_datarel_base): New target function.
* i386.cc (Target_i386::do_ehframe_datarel_base): New function.
* x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
function.
* options.h (class General_options): Add
--ld-generated-unwind-info.
* ehframe.cc (Fde::write): Add address parameter. Change all
callers. If associated with PLT, fill in address and size.
(Cie::set_output_offset): Only add merge mapping if there is an
object.
(Cie::write): Add address parameter. Change all callers.
(Eh_frame::add_ehframe_for_plt): New function.
* ehframe.h (class Fde): Update declarations. Move shndx_ and
input_offset_ fields into union u_, with new plt field.
(Fde::Fde): Adjust for new union field.
(Fde::Fde) [Output_data version]: New constructor.
(Fde::add_mapping): Only add merge mapping if there is an object.
(class Cie): Update declarations.
(class Eh_frame): Declare add_ehframe_for_plt.
* layout.cc (Layout::layout_eh_frame): Break out code into
make_eh_frame_section, and call it.
(Layout::make_eh_frame_section): New function.
(Layout::add_eh_frame_for_plt): New function.
* layout.h (class Layout): Update declarations.
* merge.cc (Merge_map::add_mapping): Add assertion.
* i386.cc: Include "dwarf.h".
(class Output_data_plt_i386): Make first_plt_entry,
dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const. Add
plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
and plt_eh_frame_fde.
(Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
boundary. Call add_eh_frame_for_plt if appropriate.
* x86_64.cc: Include "dwarf.h".
(class Output_data_plt_x86_64): Align to 16-byte boundary. Make
first_plt_entry, plt_entry and tlsdesc_plt_entry const. Add
plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
and plt_eh_frame_fde.
(Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
appropriate.
* layout.cc (Layout::segment_precedes): Don't crash if a linker
script create indistinguishable segments.
(Layout::set_segment_offsets): Use stable_sort when sorting
segments. Pass this to Compare_segments constructor.
* layout.h (class Layout): Make segment_precedes non-static.
(class Compare_segments): Change from struct to class. Add
layout_ field. Add constructor.
* script-sections.cc
(Script_sections::attach_sections_using_phdrs_clause): Rename
local orphan to is_orphan. Don't report failure to put empty
section in segment. On attachment failure, report name of
section, and attach to first PT_LOAD segment.
* target-select.cc (Target_selector::Target_selector): Add
emulation parameter. Change all callers.
(select_target_by_bfd_name): Rename from select_target_by_name.
Change all callers.
(select_target_by_emulation): New function.
(supported_emulation_names): New function.
* target-select.h (class Target_selector): Add emulation_ field.
Update declarations.
(Target_selector::recognize_by_bfd_name): Rename from
recognize_by_name. Change all callers.
(Target_selector::supported_bfd_names): Rename from
supported_names. Change all callers.
(Target_selector::recognize_by_emulation): New function.
(Target_selector::supported_emulations): New function.
(Target_selector::emulation): New function.
(Target_selector::do_recognize_by_bfd_name): Rename from
do_recognize_by_name. Change all callers.
(Target_selector::do_supported_bfd_names): Rename from
do_supported_names. Change all callers.
(Target_selector::do_recognize_by_emulation): New function.
(Target_selector::do_supported_emulations): New function.
(select_target_by_bfd_name): Change name in declaration.
(select_target_by_emulation): Declare.
(supported_emulation_names): Declare.
* parameters.cc (parameters_force_valid_target): Try to find
target based on emulation from -m option.
* options.h (class General_options): Change doc string for -m.
* options.cc (help): Print emulations.
(General_options::parse_V): Likewise.
* freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
Add emulation parameter. Change all callers.
* arm.cc (Arm_relocate_functions::thm_jump8,
Arm_relocate_functions::thm_jump11): Use a wider signed
type to compute offset.
* testsuite/Makefile.am: Add new tests arm_thm_jump11 and
arm_thm_jump8.
* testsuite/Makefile.in: Regenerate.
* testsuite/arm_branch_in_range.sh: Check test results of
arm_thm_jump11 and arm_thm_jump8.
* testsuite/arm_thm_jump11.s: New test source file.
* testsuite/arm_thm_jump11.t: New linker script.
* testsuite/arm_thm_jump8.s: New test source file.
* testsuite/arm_thm_jump8.t: New linker script.
(ctors_sections_in_init_array): New static variable.
(Layout::is_ctors_in_init_array): New function.
(Layout::layout): Add entry to ctors_sections_in_init_array if
appropriate.
* layout.h (class Layout): Declare is_ctors_in_init_array.
* reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
is_ctors_reverse_view is set.
(Sized_relobj_file::write_sections): Add layout parameter. Change
all callers. Set is_ctors_reverse_view field of View_size.
(Sized_relobj_file::reverse_words): New function.
* object.h (Sized_relobj_file::View_size): Add
is_ctors_reverse_view field.
(class Sized_relobj_file): Update declarations.
* testsuite/initpri3.c: New test.
* testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
initpri3b.
(initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
(initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
(initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
(initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
* testsuite/Makefile.in: Rebuild.
(debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
(debug_msg_cdebug.err): New targets.
* testsuite/Makefile.in: Regenerate.
* testsuite/debug_msg.sh: Check output of link with compressed debug.
Fix checks for link with shared library.
* arm.cc (Arm_output_section::append_text_sections_to_list): Do not
skip empty text sections.
* testsuite/arm_exidx_test.s: Test handling of an empty text section.
* options.h (class General_options): Add --ctors-in-init-array.
* layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
friends as SHT_PROGBITS for merging sections.
(Layout::layout): Remove special handling of .init_array and
friends. Don't sort if doing relocatable link. Sort for .ctors
and .dtors if ctors_in_init_array.
(Layout::make_output_section): Force correct section types for
.init_array and friends. Don't sort if doing relocatable link,
Don't sort .ctors and .dtors if ctors_in_init_array.
(Layout::section_name_mapping): Remove .ctors. and .dtorso.
(Layout::output_section_name): Add relobj parameter. Change all
callers. Handle .ctors. and .dtors. in code rather than table.
Handle .ctors and .dtors if ctors_in_init_array.
(Layout::match_file_name): New function, moved from output.cc.
* layout.h (class Layout): Update declarations.
* output.cc: Include "layout.h".
(Input_section_sort_entry::get_priority): New function.
(Input_section_sort_entry::match_file_name): Just call
Layout::match_file_name.
(Output_section::Input_section_sort_init_fini_compare::operator()):
Handle .ctors and .dtors. Sort by explicit priority rather than
by name.
* configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
* testsuite/initpri2.c: New test.
* testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
(check_PROGRAMS): Add initpri2.
(initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
(initpri2_LDFLAGS, initpri2_LDADD): New variables.
* configure, testsuite/Makefile.in: Rebuild.
* layout.cc (Layout::attach_allocated_section_to_segment): Add a
.interp section to a PT_INTERP segment even if we have seen a
--dynamic-linker option. Don't do it if we have seen a PHDRS
clause in a linker script.
(Layout::finalize): Don't create a .interp section if we've
already create a PT_INTERP segment.
(Layout::create_interp): Always call choose_output_section (revert
patch of 2011-06-17). Don't create PT_INTERP segment.
* script-sections.cc
(Script_sections::create_note_and_tls_segments): Add a .interp
section to a PT_INTERP segment even if we have seen a
--dynamic-linker option.
* layout.h (class Layout): Add interp_segment_ field.
* layout.cc (Layout::Layout): Initialize interp_segment_ field.
(Layout::attach_allocated_section_to_segment): If making shared
library, put .interp section in PT_INTERP segment.
(Layout::finalize): Also call create_interp if -dynamic-linker
option was used.
(Layout::create_interp): Assert that there is no PT_INTERP
segment. If not using a SECTIONS clause, use make_output_section.
(Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
* script-sections.cc
(Script_sections::create_note_and_tls_segments): If making shared
library, put .interp section in PT_INTERP segment.
* gold/gold.cc (queue_initial_tasks): Warn if --incremental is
used with --compress-debug-sections.
* gold/object.cc (Sized_relobj_file::do_layout): Report
uncompressed size of compressed input sections.
instead of emit_copy_reloc.
(Copy_relocs::emit_copy_reloc): Refactor.
(Copy_relocs::make_copy_reloc): New function.
(Copy_relocs::add_copy_reloc): Remove.
* copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
section.
(Copy_relocs::make_copy_reloc): New function.
(Copy_relocs::add_copy_reloc): Remove.
* gold.cc (queue_middle_tasks): Emit old COPY relocations from
unchanged input files.
* incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
* incremental.cc (Sized_incremental_binary::do_reserve_layout):
Reserve BSS space for COPY relocations.
(Sized_incremental_binary::do_emit_copy_relocs): New function.
(Output_section_incremental_inputs::write_info_blocks): Record
whether a symbol is copied from a shared object.
(Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
* incremental.h (enum Incremental_shlib_symbol_flags): New type.
(INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
(Incremental_input_entry_reader::get_output_symbol_index): Add
is_copy parameter.
(Incremental_binary::emit_copy_relocs): New function.
(Incremental_binary::do_emit_copy_relocs): New function.
(Sized_incremental_binary::Sized_incremental_binary): Initialize
new data member.
(Sized_incremental_binary::add_copy_reloc): New function.
(Sized_incremental_binary::do_emit_copy_relocs): New function.
(Sized_incremental_binary::Copy_reloc): New struct.
(Sized_incremental_binary::Copy_relocs): New typedef.
(Sized_incremental_binary::copy_relocs_): New data member.
* symtab.cc (Symbol_table::add_from_incrobj): Change return type.
* symtab.h (Symbol_table::add_from_incrobj): Change return type.
* target.h (Sized_target::emit_copy_reloc): New function.
* x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
* gold/archive.cc (Archive::Archive): Initialize new data member.
(Archive::include_all_members): Return if archive has already been
included.
* gold/archive.h (Archive::include_all_members_): New data member.
Doug Kwan
Ian Lance Taylor
Cary Coutant
H.J. Lu
Nick Clifton
Sterling Augustine
Sriraman Tallam
David S. Miller
Diego Novillo
Alan Modra