constructor, and set_blocker.
* gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
readsyms_blocker_.
* gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
this->this_blocker_ to Add_lib_group_symbols::set_blocker.
* testsuite/Makefile.am (start_lib_test): New test case.
* testsuite/Makefile.in: Regenerate.
* testsuite/start_lib_test_main.c: New file.
* testsuite/start_lib_test_1.c: New file.
* testsuite/start_lib_test_2.c: New file.
* testsuite/start_lib_test_3.c: New file.
* i386.cc (class Output_data_plt_i386): Update declarations.
Define Global_ifunc and Local_ifunc types. Add global_ifuncs_ and
local_ifuncs_ fields.
(Target_i386::do_plt_section_for_global): New function.
(Target_i386::do_plt_section_for_local): New function.
(Output_data_plt_i386::Output_data_plt_i386): Add symtab
parameter; change all callers. Initialize global_ifuncs_ and
local_ifuncs_. If doing a static link define __rel_iplt_start and
__rel_iplt_end.
(Output_data_plt_i386::add_entry): Handle IFUNC symbols.
(Output_data_plt_i386::add_local_ifunc_entry): New function.
(Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
symbols.
(Target_i386::make_plt_section): New function, broken out of
make_plt_entry. Set sh_info field of .rel.plt to point to .plt.
(Target_i386::make_plt_entry): Call make_plt_section.
(Target_i386::make_local_ifunc_plt_entry): New function.
(Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
(Target_i386::Scan::local): Handle IFUNC symbols. Add
R_386_IRELATIVE to switch.
(Target_i386::Scan::global): Likewise.
(Target_i386::Relocate::relocate): Likewise.
(Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
switch.
* x86_64.cc (class Output_data_plt_x86_64): Update declarations.
(Target_x86_64::do_plt_section_for_global): New function.
(Target_x86_64::do_plt_section_for_local): New function.
(Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
parameter; change all callers. If doing a static link define
__rela_iplt_start and __rela_iplt_end.
(Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
(Output_data_plt_x86_64::add_local_ifunc_entry): New function.
(Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
to point to .plt.
(Target_x86_64::make_local_ifunc_plt_entry): New function.
(Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
switch.
(Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
(Target_x86_64::Scan::local): Handle IFUNC symbols. Add
R_X86_64_IRELATIVE to switch.
(Target_x86_64::Scan::global): Likewise.
(Target_x86_64::Relocate::relocate): Likewise.
(Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
switch.
* target.h (class Target): Add plt_section_for_global and
plt_section_for_local functions. Add do_plt_section_for_global
and do_plt_section_for_local virtual functions.
* symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol. Add
clarifying comments.
(Symbol::use_plt_offset): Handle IFUNC symbol.
* object.cc (Sized_relobj::Sized_relobj): Initialize
local_plt_offsets_.
(Sized_relobj::local_has_plt_offset): New function.
(Sized_relobj::local_plt_offset): New function.
(Sized_relobj::set_local_plt_offset): New function.
(Sized_relobj::do_count): Handle IFUNC symbol.
* object.h (class Symbol_value): Add is_ifunc_symbol_ field. Take
a bit away from input_shndx_ field. Add set_is_func_symbol and
is_ifunc_symbol functions.
(class Sized_relobj): Update declarations. Remove Tls_got_entry
and Local_tls_got_offsets. Define Local_plt_offsets. Add
local_plt_offsets_ field.
(Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
* output.h (class Output_section_data): Add non-const
output_section function.
(class Output_data_got): Update declarations.
(class Output_data_got::Got_entry): Add use_plt_offset_ field.
Add use_plt_offset parameter to global and local constructors.
Change all callers. Change local_sym_index_ field to 31 bits.
Change GSYM_CODE and CONSTANT_CODE accordingly.
* output.cc (Output_data_reloc_base::do_adjust_output_section): If
doing a static link don't set sh_link field.
(Output_data_got::Got_entry::write): Use PLT offset if
appropriate.
(Output_data_got::add_global_plt): New function.
(Output_data_got::add_local_plt): New function.
* target-reloc.h (relocate_section): Handle IFUNC symbol.
* defstd.cc (in_section): Remove entries for __rel_iplt_start,
__rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
* configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
* testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
IFUNC conditional.
* testsuite/ifunc-sel.h: New file.
* testsuite/ifuncmain1.c: New file.
* testsuite/ifuncmain1vis.c: New file.
* testsuite/ifuncmod1.c: New file.
* testsuite/ifuncdep2.c: New file.
* testsuite/ifuncmain2.c: New file.
* testsuite/ifuncmain3.c: New file.
* testsuite/ifuncmod3.c: New file.
* testsuite/ifuncmain4.c: New file.
* testsuite/ifuncmain5.c: New file.
* testsuite/ifuncmod5.c: New file.
* testsuite/ifuncmain6pie.c: New file.
* testsuite/ifuncmod6.c: New file.
* testsuite/ifuncmain7.c: New file.
* configure, testsuite/Makefile.in: Rebuild.
Doug Kwan <dougkwan@google.com>
* resolve.cc (Symbol_table::should_override): When a weak dynamic
defintion overrides non-weak undef, remember that the original undef
is not weak.
* symtab.cc (Symbol_table::sized_write_global): For undef without
an original weak binding, set binding to global in output.
* testsuite/Makefile.am: Add new test strong_ref_weak_def.
* testsuite/Makefile.in: Regenerate.
* testsuite/strong_ref_weak_def.sh: New file.
* testsuite/strong_ref_weak_def_1.c: Ditto.
* testsuite/strong_ref_weak_def_2.c: Ditto.
* elfcpp.h (enum SHT): Add SHT_GNU_INCREMENTAL_GOT_PLT.
gold/ChangeLog:
* arm.cc (Target_arm::got_size): Add const.
(Target_arm::got_entry_count): New function.
(Target_arm::plt_entry_count): New function.
(Target_arm::first_plt_entry_offset): New function.
(Target_arm::plt_entry_size): New function.
(Output_data_plt_arm::entry_count): New function.
(Output_data_plt_arm::first_plt_entry_offset): New function.
(Output_data_plt_arm::get_plt_entry_size): New function.
* i386.cc (Target_i386::got_size): Add const.
(Target_i386::got_entry_count): New function.
(Target_i386::plt_entry_count): New function.
(Target_i386::first_plt_entry_offset): New function.
(Target_i386::plt_entry_size): New function.
(Output_data_plt_i386::entry_count): New function.
(Output_data_plt_i386::first_plt_entry_offset): New function.
(Output_data_plt_i386::get_plt_entry_size): New function.
* incremental-dump.cc (dump_incremental_inputs): Adjust call to
find_incremental_inputs_sections. Dump incremental_got_plt section.
* incremental.cc: Include target.h.
(Sized_incremental_binary::do_find_incremental_inputs_sections): Add
parameter. Adjust all callers. Find incremental_got_plt section.
(Incremental_inputs::create_data_sections): Create incremental_got_plt
section.
(Output_section_incremental_inputs::set_final_data_size): Calculate
size of incremental_got_plt section.
(Output_section_incremental_inputs::do_write): Write the
incremental_got_plt section.
(Got_plt_view_info): New struct.
(Local_got_offset_visitor): New class.
(Global_got_offset_visitor): New class.
(Global_symbol_visitor_got_plt): New class.
(Output_section_incremental_inputs::write_got_plt): New function.
* incremental.h (Incremental_binary::find_incremental_inputs_sections):
Add parameter. Adjust all callers.
(Incremental_binary::do_find_incremental_inputs_sections): Likewise.
(Incremental_inputs::got_plt_section): New function.
(Incremental_inputs::got_plt_section_): New data member.
(Incremental_got_plt_reader): New class.
* layout.cc (Layout::create_incremental_info_sections): Add the
incremental_got_plt section.
* object.h (Got_offset_list::get_list): New function.
(Got offset_list::for_all_got_offsets): New function.
(Sized_relobj::local_got_offset_list): New function.
* powerpc.cc (Target_powerpc::got_size): Add const.
(Target_powerpc::got_entry_count): New function.
(Target_powerpc::plt_entry_count): New function.
(Target_powerpc::first_plt_entry_offset): New function.
(Target_powerpc::plt_entry_size): New function.
(Output_data_plt_powerpc::entry_count): New function.
(Output_data_plt_powerpc::first_plt_entry_offset): New function.
(Output_data_plt_powerpc::get_plt_entry_size): New function.
* sparc.cc (Target_sparc::got_size): Add const.
(Target_sparc::got_entry_count): New function.
(Target_sparc::plt_entry_count): New function.
(Target_sparc::first_plt_entry_offset): New function.
(Target_sparc::plt_entry_size): New function.
(Output_data_plt_sparc::entry_count): New function.
(Output_data_plt_sparc::first_plt_entry_offset): New function.
(Output_data_plt_sparc::get_plt_entry_size): New function.
* symtab.h (Symbol::got_offset_list): New function.
(Symbol_table::for_all_symbols): New function.
* target.h (Sized_target::got_entry_count): New function.
(Sized_target::plt_entry_count): New function.
(Sized_target::plt_entry_size): New function.
* x86_64.cc (Target_x86_64::got_size): Add const.
(Target_x86_64::got_entry_count): New function.
(Target_x86_64::plt_entry_count): New function.
(Target_x86_64::first_plt_entry_offset): New function.
(Target_x86_64::plt_entry_size): New function.
(Output_data_plt_x86_64::entry_count): New function.
(Output_data_plt_x86_64::first_plt_entry_offset): New function.
(Output_data_plt_x86_64::get_plt_entry_size): New function.
* elfcpp.h (enum SHT): Add SHT_GNU_INCREMENTAL_SYMTAB,
SHT_GNU_INCREMENTAL_RELOCS.
gold/ChangeLog:
* archive.cc: Include incremental.h.
(Archive::Archive): Initialize incremental_info_.
(Archive::include_member): Record archive members in incremental info.
(Add_archive_symbols::run): Record begin and end of an archive in
incremental info.
(Lib_group::include_member): Record objects in incremental info.
* archive.h (Incremental_archive_entry): Forward declaration.
(Archive::set_incremental_info): New member function.
(Archive::incremental_info): New member function.
(Archive::Unused_symbol_iterator): New class.
(Archive::unused_symbols_begin): New member function.
(Archive::unused_symbols_end): New member function.
(Archive::incremental_info_): New data member.
* incremental-dump.cc (find_input_containing_global): New function.
(dump_incremental_inputs): Dump new incremental info sections.
* incremental.cc: Include symtab.h.
(Output_section_incremental_inputs): New class.
(Sized_incremental_binary::do_find_incremental_inputs_sections): Support
new incremental info sections.
(Sized_incremental_binary::do_check_inputs): Likewise.
(Incremental_inputs::report_archive): Remove.
(Incremental_inputs::report_archive_begin): New function.
(Incremental_inputs::report_archive_end): New function.
(Incremental_inputs::report_object): New function.
(Incremental_inputs::finalize_inputs): Remove.
(Incremental_inputs::report_input_section): New function.
(Incremental_inputs::report_script): Rewrite.
(Incremental_inputs::finalize): Do nothing but finalize string table.
(Incremental_inputs::create_incremental_inputs_section_data): Remove.
(Incremental_inputs::sized_create_inputs_section_data): Remove.
(Incremental_inputs::create_data_sections): New function.
(Incremental_inputs::relocs_entsize): New function.
(Output_section_incremental_inputs::set_final_data_size): New function.
(Output_section_incremental_inputs::do_write): New function.
(Output_section_incremental_inputs::write_header): New function.
(Output_section_incremental_inputs::write_input_files): New function.
(Output_section_incremental_inputs::write_info_blocks): New function.
(Output_section_incremental_inputs::write_symtab): New function.
* incremental.h (Incremental_script_entry): Forward declaration.
(Incremental_object_entry): Forward declaration.
(Incremental_archive_entry): Forward declaration.
(Incremental_inputs): Forward declaration.
(Incremental_inputs_header_data): Remove.
(Incremental_inputs_header): Remove.
(Incremental_inputs_header_write): Remove.
(Incremental_inputs_entry_data): Remove.
(Incremental_inputs_entry): Remove.
(Incremental_inputs_entry_write): Remove.
(enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
(Incremental_binary::find_incremental_inputs_sections): Add parameters.
(Incremental_binary::do_find_incremental_inputs_sections): Likewise.
(Sized_ncremental_binary::do_find_incremental_inputs_sections):
Likewise.
(Incremental_input_entry): New class.
(Incremental_script_entry): New class.
(Incremental_object_entry): New class.
(Incremental_archive_entry): New class.
(Incremental_inputs::Incremental_inputs): Initialize new data members.
(Incremental_inputs::report_inputs): Remove.
(Incremental_inputs::report_archive): Remove.
(Incremental_inputs::report_archive_begin): New function.
(Incremental_inputs::report_archive_end): New function.
(Incremental_inputs::report_object): Change prototype.
(Incremental_inputs::report_input_section): New function.
(Incremental_inputs::report_script): Change prototype.
(Incremental_inputs::get_reloc_count): New function.
(Incremental_inputs::set_reloc_count): New function.
(Incremental_inputs::create_data_sections): New function.
(Incremental_inputs::create_incremental_inputs_section_data): Remove.
(Incremental_inputs::inputs_section): New function.
(Incremental_inputs::symtab_section): New function.
(Incremental_inputs::relocs_section): New function.
(Incremental_inputs::get_stringpool): Add const.
(Incremental_inputs::command_line): Add const.
(Incremental_inputs::inputs): Remove.
(Incremental_inputs::command_line_key): New function.
(Incremental_inputs::input_file_count): New function.
(Incremental_inputs::input_files): New function.
(Incremental_inputs::relocs_entsize): New function.
(Incremental_inputs::sized_create_inputs_section_data): Remove.
(Incremental_inputs::finalize_inputs): Remove.
(Incremental_inputs::Input_info): Remove.
(Incremental_inputs::lock_): Remove.
(Incremental_inputs::inputs_): Change type.
(Incremental_inputs::inputs_map_): Remove.
(Incremental_inputs::current_object_entry_): New data member.
(Incremental_inputs::inputs_section_): New data member.
(Incremental_inputs::symtab_section_): New data member.
(Incremental_inputs::relocs_section_): New data member.
(Incremental_inputs::reloc_count_): New data member.
(Incremental_inputs_reader): New class.
(Incremental_symtab_reader): New class.
(Incremental_relocs_reader): New class.
* layout.cc (Layout::finalize): Move finalization of incremental info
and creation of incremental info sections to follow finalization of
symbol table. Set offsets for postprocessing sections.
(Layout::create_incremental_info_sections): Call
Incremental_inputs::create_data_sections. Add incremental symtab
and relocs sections. Set sh_entsize and sh_link fields. Arrange for
sections to layout after input sections.
* layout.h (struct Timespec): Forward declaration.
(Layout::incremental_inputs): Add const.
(Layout::create_incremental_info_sections): Add parameter.
* main.cc (main): Remove call to Incremental_inputs::report_inputs.
* object.cc: Include incremental.h.
(Relobj::finalize_incremental_relocs): New function.
(Sized_relobj::do_layout): Record input sections in incremental info.
* object.h (Object::output_section): New function.
(Object::output_section_offset): Moved from Relobj.
(Object::get_incremental_reloc_base): New function.
(Object::get_incremental_reloc_count): New function.
(Object::do_output_section): New function.
(Object::do_output_section_offset): Moved from Relobj.
(Object::do_get_incremental_reloc_base): New function.
(Object::do_get_incremental_reloc_count): New function.
(Object::Object): Initialize new data members.
(Relobj::output_section): Renamed do_output_section and moved to
protected.
(Relobj::output_section_offset): Moved to Object.
(Relobj::do_get_incremental_reloc_base): New function.
(Relobj::do_get_incremental_reloc_count): New function.
(Relobj::allocate_incremental_reloc_counts): New function.
(Relobj::count_incremental_reloc): New function.
(Relobj::finalize_incremental_relocs): New function.
(Relobj::next_incremental_reloc_index): New function.
(Relobj::reloc_counts_): New data member.
(Relobj::reloc_bases_): New data member.
(Sized_relobj::do_relocate_sections): Add parameter. Change caller.
(Sized_relobj::relocate_sections): Add parameter. Change all callers.
(Sized_relobj::incremental_relocs_scan): New function.
(Sized_relobj::incremental_relocs_scan_reltype): New function.
(Sized_relobj::incremental_relocs_write): New function.
(Sized_relobj::incremental_relocs_write_reltype): New function.
* plugin.cc (Plugin_manager::add_input_file): Rewrite test for
incremental link.
* readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
archives and object files elsewhere.
(Add_symbols::run): Report object files here.
(Finish_group::run): Report end of archive at end of group.
* reloc.cc: Include layout.h, incremental.h.
(Sized_relobj::do_read_relocs): Need relocations for incremental link.
(Sized_relobj::do_scan_relocs): Record relocations for incremental link.
(Sized_relobj::incremental_relocs_scan): New function.
(Sized_relobj::incremental_relocs_scan_reltype): New function.
(Sized_relobj::do_relocate_sections): Write incremental relocations.
(Sized_relobj::incremental_relocs_write): New function.
(Sized_relobj::incremental_relocs_write_reltype): New function.
* script.cc (read_input_script): Rewrite test for incremental link.
Change call to Incremental_inputs::report_script.
* symtab.h (Symbol_table::first_global_index): New function.
(Symbol_table::output_count): New function.
to reserve space in merged_strings vector. Keep total input size
for stats.
(Output_merge_string::do_print_merge_stats): Print total input size.
* merge.h (Output_merge_string): Add input_size_ field.
* stringpool.cc (Stringpool_template::string_length): Move
implementations out of Stringpool_template class and place in
stringpool.h.
* stringpool.h (string_length): Move out of Stringpool_template.
* output.cc (Output_segment::set_offset): Search for the first and
last sections rather than assuming that the list is in order.
(Output_segment::find_first_and_last_list): New function.
* output.h (class Output_segment): Update declarations.
* testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
(relro_strip_test_SOURCES): New variable.
(relro_strip_test_DEPENDENCIES): New variable.
(relro_strip_test_LDFLAGS): New variable.
(relro_strip_test_LDADD): New variable.
(relro_strip_test.so): New target.
(Target_i386::Target_i386):: Initialize got_tlsdesc_.
(Target_i386::got_tlsdesc_section): New function.
(Target_i386::got_section): Create space for GOT entries for
TLSDESC relocations.
(Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
R_386_TLS_GOTDESC.
(Target_i386::Scan::global): Likewise.
(Target_i386::Relocate::relocate_tls): Adjust GOT offset when
using TLSDESC GOT.
* x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
(Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
(Target_x86_64::got_tlsdesc_section): New function.
(Target_x86_64::got_section): Create space for GOT entries for
TLSDESC relocations.
(Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
R_386_TLS_GOTDESC.
(Target_x86_64::Scan::global): Likewise.
(Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
using TLSDESC GOT.
paramter to the call to gold::gc_process_relocs.
* i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
paramter to the call to gold::gc_process_relocs.
* x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
parameter to the call to gold::gc_process_relocs.
* powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
template parameter to the call to gold::gc_process_relocs.
* sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
paramter to the call to gold::gc_process_relocs.
* gc.h (get_embedded_addend_size): New function.
(gc_process_relocs): Save the size of the reloc for use by ICF.
* icf.cc (get_section_contents): Get the addend from the text section
for SHT_REL relocation sections.
* icf.h (Icf::Reloc_addend_size_info): New typedef.
(Icf::Reloc_info): Add new member reloc_addend_size_info.
* int_encoding.h (read_from_pointer): New overloaded function.
* testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
* testsuite/icf_sht_rel_addend_test.sh: New file.
* testsuite/icf_sht_rel_addend_test_1.cc: New file.
* testsuite/icf_sht_rel_addend_test_2.cc: New file.
string, and length fields.
(Output_merge_string::Merged_strings_list): New type.
(Output_merge_string::Merged_strings_lists): New typedef.
(Output_merge_string): Replace merged_strings_ with
merged_strings_lists_.
* merge.cc (Output_merge_string::do_add_input_section): Allocate new
Merged_strings_list per input object and section. Don't store pointer
to the string. Don't store length with each merged string entry.
(Output_merge_string::finalize_merged_data): Loop over list of merged
strings lists. Recompute length of each merged string.
* arm.cc (Arm_input_section::Arm_input_section): For a
SHT_ARM_EXIDX section, always keeps the input sections.
(Arm_input_section::set_exidx_section_link): New method.
(Arm_exidx_input_section::Arm_exidx_input_section): Initialize
has_errors_ to false.
(Arm_exidx_input_section::has_errors,
Arm_exidx_input_section::set_has_errors): New methods.
(Arm_exidx_input_section::has_errors_): New data member.
(Arm_relobj::get_exidx_shndx_list): New method.
(Arm_output_section::append_text_sections_to_list): Do not skip
section without SHF_EXECINSTR.
(Arm_output_section::fix_exidx_coverage): Skip input sections with
errors.
(Arm_relobj::make_exidx_input_section): Add new parameter for text
section header. Make error messages more verbose. Check for
a non-executable section linked to an EXIDX section.
(Arm_relobj::do_read_symbols): Remove error checking, which has been
moved to Arm_relobj::make_exidx_input_section. Add an assertion to
check that there is no deferred EXIDX section if we exit early.
Instead of not making an EXIDX section in case of an error, make one
and set the has_errors flag of it.
(Target_arm::do_finalize_sections): Fix up links of EXIDX sections
in a relocatable link.
(Target_arm::do_relax): Look for the EXIDX output section instead of
assuming that it is called .ARM.exidx.
(Target_arm::fix_exidx_coverage): Add a new parameter for input
section list. Do not check for SHF_EXECINSTR section flags but
skip any input section with errors.
* output.cc (Output_section::Output_section): Initialize
always_keeps_input_sections_ to false.
(Output_section::add_input_section): Check for
always_keeps_input_sections_.
* output.h (Output_section::always_keeps_input_sections,
Output_section::set_always_keeps_input_sections): New methods.
(Output_section::always_keeps_input_sections): New data member.
weak when resolving to a dynamic def.
(Symbol_table::should_override): Add adjust_dyndef flag; set it
for weak undef/dynamic def cases. Adjust callers.
* symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
undef_binding_weak_.
(Symbol_table::sized_write_globals): Adjust symbol binding.
(Symbol_table::sized_write_symbol): Add binding parameter.
* symtab.h (Symbol::set_undef_binding): New method.
(Symbol::is_undef_binding_weak): New method.
(Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
(Symbol_table::should_override): Add new parameter.
(Symbol_table::sized_write_symbol): Add new parameter.
* testsuite/weak_undef_file1.cc: Add new test case.
* testsuite/weak_undef_file2.cc: Fix header comment.
* testsuite/weak_undef_test.cc: Add new test case.
* arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
Initialize USE_SYMBOL_.
* arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
definition.
(Arm_reloc_property::uses_symbol_): New data member declaration.
* arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
uses symbol value and symbol is undefined but not weakly undefined.
* arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
(Target_arm::section_may_have_icf_unsafe_pointers): New method
definition.
(Target_arm::Scan::local_reloc_may_be_function_pointer,
Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
target hook to detect function points.
(Target_arm::Scan::possible_function_pointer_reloc): New method.
* icf.h (Icf::check_section_for_function_pointers): Change type of
parameter SECTION_NAME to const reference to std::string. Use
target hook to determine if section may have unsafe pointers.
* target.h (Target::section_may_have_icf_unsafe_pointers): New
method definition.
* fileread.cc (Input_file::find_fie): New
(Input_file::open): Use Input_file::find_fie.
* fileread.h (Input_file::find_fie): New
* plugin.cc (set_extra_library_path): New.
(Plugin::load): Add set_extra_library_path to the transfer vector.
(Plugin_manager::set_extra_library_path): New.
(Plugin_manager::add_input_file): Use the extra search path if set.
(set_extra_library_path(): New.
* plugin.h (Plugin_manager): Add set_extra_library_path and
extra_search_path_.
2010-06-21 Rafael Espindola <espindola@google.com>
* plugin-api.h (ld_plugin_set_extra_library_path): New.
(ld_plugin_tag): Add LDPT_SET_EXTRA_LIBRARY_PATH.
(ld_plugin_tv): Add tv_set_extra_library_path.
(Sized_relobj::do_layout_deferred_sections): Do layout for deferred
reloc sections.
* object.h (Sized_relobj::deferred_layout_relocs_): New data member.
PR 11683
* symtab.h (Symbol::is_placeholder): New member function.
* target-reloc.h (relocate_section): Check for placeholder symbols.
* testsuite/Makefile.am (plugin_test_8): New test.
(plugin_test_9): New test.
* testsuite/Makefile.in: Regenerate.
the '-' character. Treat these as libraries.
* script.cc (script_add_library): New function. Adds a library
specified by "-l<name>" found in an input script.
* script-c.h: Add prototype for script_add_library.
* arm.cc (Target_arm::do_relax): Reserve more space for stubs.
Restrict stub-group size to be within long conditional branch
range when working around cortex-A8 erratum.
