Age | Commit message (Collapse) | Author | Files | Lines |
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* gold.cc (queue_middle_tasks): Call gc_mark_symbol on _init and _fini.
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* layout.cc (Layout::include_section): Keep sections marked
SHF_EXCLUDE when doing relocatable links.
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(Target_powerpc::do_finalize_sections): Call it.
(Output_data_save_res): New class and supporting functions.
(Target_powerpc::symval_for_branch): Only look up .opd entry for
normal symbols defined in object files.
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(struct Opd_ent): Make "discard" a bit field. Add "gc_mark".
(Target_powerpc::do_gc_mark_symbol): Delay marking function code
section if scan_opd_relocs not yet called.
(Target_powerpc::gc_process_relocs): Call process_gc_mark.
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add_local_ifunc_entry): Revert last change.
(Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Likewise.
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do_plt_address_for_global): New functions.
(Output_data_got_powerpc::do_write): Don't segfault when linking
statically.
(Output_data_plt_powerpc::add_entry, add_ifunc_entry,
add_local_ifunc_entry): Return true on adding entry..
(Target_powerpc::make_plt_entry): ..use to avoid unnecessary
glink->add_entry call. Remove unused symtab param. Adjust calls.
(Target_powerpc::make_local_ifunc_plt_entry): Likewise.
(Target_powerpc::make_iplt_section): Remove symtab param. Don't
set up symbols here.
(Target_powerpc::do_finalize_sections): Instead set up __rela_iplt
syms here. Do so even when no .iplt. Don't segfault when linking
statically.
(Output_data_glink::add_entry, find_entry): Rearrange params. Add
new variants without reloc param.
(Glink_sym_ent::Glink_sym_ent): Likewise.
(Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Accept any
reloc when refs will resolve to plt call stub.
(Target_powerpc::Scan::local): Correct ifunc handling. Allow
R_PPC_PLTREL24 to resolve locally.
(Target_powerpc::Scan::global): Correct ifunc handling.
(Target_powerpc::Relocate::relocate): Correct local sym glink
lookup. Don't destroy "value" when we have a plt call stub,
and when checking plt call validity.
(Target_powerpc::do_dynsym_value): Simplify.
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address_for_local): Add plt offset to returned value. Adjust uses.
* sparc.cc (Output_data_plt_sparc::address_for_global,
address_for_local): Likewise.
* tilegx.cc (Output_data_plt_tilegx::address_for_global,
address_for_local): Likewise.
* x86_64.cc (Output_data_plt_x86_64::address_for_global,
address_for_local): Likewise.
* target.h (Target::plt_address_for_global, plt_address_for_local):
Update comment.
* output.cc (Output_reloc::symbol_value): Don't add plt offset here.
(Output_data_got::Got_entry::write): Nor here.
* output.h: Comment fix.
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bytes, so that the 16 bit relocations have a greater chance of
working.
* tilegx.cc (Target_tilegx::do_finalize_sections): Adjust
global_offset_table_ value for larget got.
(Target_tilegx::Relocate::relocate): Handle adjusted got value.
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(Target_powerpc::iplt_section, make_iplt_section,
reloc_needs_plt_for_ifunc, make_local_ifunc_plt_entry): New functions.
(Target_powerpc::make_plt_entry): Handle ifunc syms.
Target_powerpc::plt_entry_count): Count iplt entries too.
(Output_data_plt_powerpc::Output_data_plt_powerpc): Don't create
reloc section in constructor. New params.
(Target_powerpc::make_plt_section): Create reloc section here instead.
(Output_data_plt_powerpc::add_ifunc_entry, add_local_ifunc_entry): New
functions.
(Output_data_plt_powerpc::initial_plt_entry_size_, name_): New vars.
(Output_data_glink::add_entry, find_entry): New functions to
deal with local syms.
(Glink_sym_ent): Add support for local syms.
(Output_data_glink::do_write): Handle ifunc plt entries.
(Target_powerpc::Scan::get_reference_flags): Handle more relocs.
(Target_powerpc::Scan::local, global): Handle ifunc syms.
(Target_powerpc::Relocate::relocate): Likewise.
(Target_powerpc::do_dynsym_value): Use glink stub, not plt entry.
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do_adjust_local_symbol): New functions.
* object.cc (Sized_relobj_file::do_count_local_symbols): Use the above.
* powerpc.cc (Powerpc_relobj::do_adjust_local_symbol): New function.
(Powerpc_relobj::scan_opd_relocs): Warn on unexpected opd relocs
and irregular opd entry spacing.
(Powerpc_relobj::do_read_relocs): Add opd size checks.
(Global_symbol_visitor_opd): New functor.
(Target_powerpc::do_finalize_sections): Omit global symbols defined
on deleted opd entries.
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* configure.ac (ENABLE_GOLD): support tilegx*
* configure: rebuild
elfcpp:
* tilegx.h: New file.
* elfcpp.h: add EM_TILEGX.
gold:
* tilegx.cc: New file.
* Makefile.am (TARGETSOURCES): Add tilegx.cc
(ALL_TARGETOBJS): Add tilegx.$(OBJEXT)
* configure.tgt: Add entries for tilegx*.
* configure.ac: Likewise.
* Makefile.in: Rebuild.
* configure: Likewise.
* testsuite/icf_safe_test.sh (arch_specific_safe_fold): Handle
tilegx.
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against symbols in discarded sections. Pass is_discarded
param.
* arm.cc, * i386.cc, * sparc.cc, * x86_64.cc (Target_*::Scan::local):
Add is_discarded param.
* powerpc (Target_powerpc::Scan::local): Likewise. Use
is_discarded to flag opd entry as discarded. Don't emit dyn
relocs on such entries.
(Target_powerpc::Scan::global): Similarly detect and handle
such opd entries.
(Powerpc_relobj): Replace opd_ent_shndx_ and opd_ent_off_ with
opd_ent_. Update all uses.
(Powerpc_relobj::get_opd_discard, set_opd_discard): New functions.
(Target_powerpc::relocate_section): Zero out discarded opd
entry relocs.
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* output.cc: Rename Output_data_got template parameter from size
to got_size for all functions. Compile all variants of
Output_data_got.
(Output_data_got::Got_entry::write): Correct use of size for
symbol value. Use local_is_tls rather than casting to
Sized_relobj_file.
* object.h (class Object): Add local_is_tls and do_local_is_tls.
(class Sized_relobj_file): Add do_local_is_tls.
* incremental.h (class Sized_relobj_incr): Add do_local_is_tls.
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* layout.cc (Layout::set_segment_offsets): When using
common-page-size alignment, ensure we are on a new max-page-size
page.
* output.cc (Output_segment::set_section_addresses): Use
abi_pagesize, not common_pagesize for relro boundary.
(Output_segment::set_offset): Likewise.
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add_local_tls_pair): New functions.
(Output_data_got::add_local_pair_with_rel): Remove second
reloc param. Expand comment.
(Output_data_got::Got_entry): Rename use_plt_offset_ to
use_plt_or_tls_offset_, similarly for constructor param.
(Output_data_got::Got_entry::write): Add got_index param.
* output.cc (Output_data_got::add_global_tls, add_local_tls,
add_local_tls_pair): New functions.
(Output_data_got::Got_entry::write): Handle tls symbols
with use_plt_or_tls_offset_ set specially.
(Output_data_got::add_local_pair_with_rel): Only one reloc.
(Output_data_got::do_write): Replace iterator with index, pass
index to entry write function.
* target.h (Target::tls_offset_for_local, tls_offset_for_global,
do_tls_offset_for_local, do_tls_offset_for_global): New functions.
* arm.cc (Target_arm::Scan::local): Update add_local_pair_with_rel
call.
* i386.cc (Target_i386::Scan::local): Likewise.
* sparc.cc (Target_sparc::Scan::local): Likewise.
* x86_64.cc (Target_x86_64::Scan::local): Likewise.
* powerpc.cc (Target_powerpc::do_tls_offset_for_local,
do_tls_offset_for_global): New functions.
(Target_powerpc::Scan::local): Correct TLS relocations and got
entry values.
(Target_powerpc::Scan::global): Don't emit unnecessary
dynamic relocations on TLS GOT entries.
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* gdb-index.cc (Gdb_index::pubnames_read): New parameter.
(Gdb_index::pubtypes_read): New parameter.
(Gdb_index_info_reader::read_pubnames_and_pubtypes): Add parameters
to calls.
* gdb-index.h (Gdb_index): New fields pubnames_object_ and
pubtypes_object_.
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(Sized_target::gc_add_reference, do_gc_add_reference): New functions.
* gc.h (gc_process_relocs): Call target gc_add_reference.
* gold.cc (queue_middle_tasks): Use gc_mark_symbol on start sym.
* symtab.cc (Symbol_table::gc_mark_undef_symbols): Use gc_mark_symbol.
(Symbol_table::gc_mark_symbol): Call target gc_mark_symbol. Remove
unnecessary cast.
* powerpc.cc (Powerpc_relobj::get_opd_ent): Rearrange parameters
to cater for when we don't need code offset. Update use.
(Powerpc_relobj::access_from_map_, opd_valid_): New vars.
(Powerpc_relobj::access_from_map, add_reference, opd_valid,
set_opd_valid): New functions.
(Target_powerpc::do_gc_add_reference): New function.
(Target_powerpc::gc_process_relocs): Call gc()->add_reference on
stashed refs.
(Target_powerpc::do_gc_mark_symbol): New function.
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gold/
* dwarf_reader.cc (Dwarf_die::read_attributes): Add
DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index.
(Dwarf_die::skip_attributes): Likewise.
* object.cc (Read_symbols_data::~Read_symbols_data): Update comment.
* testsuite/gdb_index_test.cc (inline_func_1): New function.
(main): Call it.
* testsuite/gdb_index_test_comm.sh: Check index for inline function.
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* testsuite/script_test_3.t: Add .got.plt output section
statement.
* testsuite/script_test_4.t: Likewise.
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update all uses and lose "enum" when using type.
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* configure: Regenerate.
* testsuite/Makefile.am (final_layout.stdout): Pass --synthetic to nm.
(plugin_final_layout.stdout): Likewise.
(memory_test): Set page sizes to 0x1000.
* testsuite/Makefile.in: Regenerate.
* testsuite/discard_locals_test.sh: Add FIXME comment.
* testsuite/justsyms_exec.c: Disable function test for powerpc64.
* testsuite/pr14265.t: Add .got output section statement.
* testsuite/script_test_2.t: Likewise.
* testsuite/script_test_3.t: Likewise.
* testsuite/script_test_4.t: Likewise.
* testsuite/script_test_5.t: Likewise.
* testsuite/script_test_6.t: Likewise.
* testsuite/script_test_7.t: Likewise.
* testsuite/script_test_9.t: Likewise.
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(Powerpc_relocate_functions::Status): New typedef.
(Target_powerpc::Scan::get_reference_flags): Handle more relocs.
(Target_powerpc::Scan::local): Handle REL64.
(Target_powerpc::Scan::global): Likewise, and dynamic relocs
for REL32 and REL64.
(Target_powerpc::symval_for_branch): New function, extracted from..
(Target_powerpc::Relocate::relocate): ..here. Correct plt call
checks. Report overflow errors.
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(Sized_relobj_file::emit_relocs_reltype): Delete.
* reloc.cc (Sized_relobj_file::do_relocate_sections): Call target
relocate_relocs for --emit-relocs.
(Sized_relobj_file::emit_relocs, emit_relocs_reltype): Delete.
* output.h: Update comment.
(Output_segment::first_section): New function.
(Output_segment::first_section_load_address): Use first_section.
* output.cc (Output_segment::first_section): New function extracted..
(Output_segment::first_section_load_address): ..from here. Delete.
* target-reloc.h (relocate_for_relocatable): Rename to relocate_relocs.
* target.h (Sized_target::relocate_for_relocatable): Likewise.
* arm.cc (Target_arm::relocate_for_relocatable): Likewise, and
adjust call to target.h function.
* i386.cc (Target_i386): Likewise.
* sparc.cc (Target_sparc): Likewise.
* x86_64.cc (Target_x86_64): Likewise.
* powerpc.cc (Target_powerpc): Likewise.
(Target_powerpc::Scan::local, global): Handle R_POWERPC_TLS. Ensure
first tls section has section symbol for optimised local dynamic
output relocs.
(Target_powerpc::Relocate::relocate): Correct local dynamic value.
(Target_powerpc::relocate_relocs): Adjust relocs emitted for
optimised tls code.
* testsuite/testfile.cc (Target_test::relocate_for_relocatable):
Rename to relocate_relocs. Update error message.
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--just-symbols.
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(Powerpc_relobj::toc_base_offset): New stub function.
(Target_powerpc): Add tp_offset, dtp_offset. Rename
got_mod_index_offset to tlsld_got_offset. Update all refs.
(Target_powerpc::Relocate::enum skip_tls): New.
(Target_powerpc::call_tls_get_addr_): New var.
(Target_powerpc::is_branch_reloc): Move to file scope.
(Target_powerpc::relocate_tls, optimize_tls_reloc): Delete.
(Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
New functions.
(Target_powerpc::enum Got_type): Delete old values, add new ones.
(powerpc_info): Correct common_pagesize for ppc64.
(at_tls_transform, needs_dynamic_reloc, use_plt_offset): New functions.
(Powerpc_relocate_functions): Add overflow check enums and functions.
Add non-shift version of rela, rela_ua. Delete all rel public
functions. Delete addr16_lo. Add addr64, addr64_u, addr32,
addr32_u, addr24, addr16_u, addr16_hi2, addr16_ha2, addr16_hi3,
addr16_ha3, addr14 functions.
(Output_data_got_powerpc::add_constant_pair): New function.
(Output_data_got_powerpc::got_base_offset): Likewise.
(Output_data_got_powerpc::do_write): Correct 64-bit got header.
(instruction constants): Sort, add some more.
(Output_data_glink::do_write): Add and use Address typedef. Use
object->toc_base_offset() stub for 64-bit.
(Target_powerpc::tlsld_got_offset): Use add_constant_pair.
(Target_powerpc::Scan::get_reference_flags): Handle more relocs.
(Target_powerpc::Scan::local, global): Emit relative dynamic reloc
for R_PPC64_TOC. Handle more relocs. Generate got entries for TLS.
Always treat .opd relocs as against locally defined symbol.
Correct condition for RELATIVE relocs.
(Target_powerpc::do_finalize_sections): Test for NULL sections.
(Target_powerpc::Relocate::relocate): Use plt call stub as value
for 32-bit syms with a plt entry. Correct ppc64 toc base
calculations. Handle TLS relocs, and more. Add overflow
checking and adjust for Powerpc_relocate_functions changes.
(Target_powerpc::relocate_for_relocatable): Handle zero r_sym.
Reinstate --emit-relocs code with FIXME.
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abi_pagesize, not common_pagesize.
(Layout::relaxation_loop_body): Similarly use abi_pagesize
to determine whether file header can go in segment.
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is_relative param. Adjust calls.
(Output_reloc::add_output_section_relative): New functions.
* output.cc (Output_reloc::Output_reloc <output section>): Handle
is_relative.
(Output_reloc::symbol_value): Handle SECTION_CODE.
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segments.
2012-08-24 Sriraman Tallam <tmsriram@google.com>
* gold.cc (queue_middle_tasks): Call layout again when unique
segments for sections is desired.
* layout.cc (Layout::Layout): Initialize new members.
(Layout::get_output_section_flags): New function.
(Layout::choose_output_section): Call get_output_section_flags.
(Layout::layout): Make output section for mapping to a unique segment.
(Layout::insert_section_segment_map): New function.
(Layout::attach_allocated_section_to_segment): Make unique segment for
output sections marked so.
(Layout::segment_precedes): Check for unique segments when sorting.
* layout.h (Layout::Unique_segment_info): New struct.
(Layout::Section_segment_map): New typedef.
(Layout::insert_section_segment_map): New function.
(Layout::get_output_section_flags): New function.
(Layout::is_unique_segment_for_sections_specified): New function.
(Layout::set_unique_segment_for_sections_specified): New function.
(Layout::unique_segment_for_sections_specified_): New member.
(Layout::section_segment_map_): New member.
* object.cc (Sized_relobj_file<size, big_endian>::do_layout):
Rename is_gc_pass_one to is_pass_one.
Rename is_gc_pass_two to is_pass_two.
Rename is_gc_or_icf to is_two_pass.
Check for which pass based on whether symbols data is present.
Make it two pass when unique segments for sections is desired.
* output.cc (Output_section::Output_section): Initialize new
members.
* output.h (Output_section::is_unique_segment): New function.
(Output_section::set_is_unique_segment): New function.
(Output_section::is_unique_segment_): New member.
(Output_section::extra_segment_flags): New function.
(Output_section::set_extra_segment_flags): New function.
(Output_section::extra_segment_flags_): New member.
(Output_section::segment_alignment): New function.
(Output_section::set_segment_alignment): New function.
(Output_section::segment_alignment_): New member.
(Output_segment::Output_segment): Initialize is_unique_segment_.
(Output_segment::is_unique_segment): New function.
(Output_segment::set_is_unique_segment): New function.
(Output_segment::is_unique_segment_): New member.
* plugin.cc (allow_unique_segment_for_sections): New function.
(unique_segment_for_sections): New function.
(Plugin::load): Add new functions to transfer vector.
* Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output.
* Makefile.in: Regenerate.
* testsuite/plugin_final_layout.sh: Check if unique segment
functionality works.
* testsuite/plugin_section_order.c (onload): Check if new interfaces
are available.
(allow_unique_segment_for_sections): New global.
(unique_segment_for_sections): New global.
(claim_file_hook): Call allow_unique_segment_for_sections.
(all_symbols_read_hook): Call unique_segment_for_sections.
2012-08-24 Sriraman Tallam <tmsriram@google.com>
* plugin-api.h (ld_plugin_allow_unique_segment_for_sections):
New interface.
(ld_plugin_unique_segment_for_sections): New interface.
(LDPT_ALLOW_UNIQUE_SEGMENT_FOR_SECTIONS): New enum val.
(LDPT_UNIQUE_SEGMENT_FOR_SECTIONS): New enum val.
(tv_allow_unique_segment_for_sections): New member.
(tv_unique_segment_for_sections): New member.
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gold/
* layout.cc (Layout::include_section): Don't assert on GROUP
sections with --emit-relocs.
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gold/
* symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert
if --export-dynamic-symbol names an undef symbol.
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(Powerpc_relobj): Rename got2_section_ to special_.
Add opd_ent_shndx_ and opd_ent_off_ vectors.
(Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent,
scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions.
(Target_powerpc): Add Address typedef and invalid_address. Use
throughout.
(Target_powerpc::is_branch_reloc): New function.
(Powerpc_relocate_functions): Add Address typedef, use throughout.
(Powerpc_relocate_functions:rela, rela_ua): Correct type used
for dst_mask, value and addend.
(Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit.
(ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants.
(Output_data_glink::do_write): Correct toc base. Don't try to use
uint16_t for 24-bit offset. Use get_output_section_offset and
check return.
(Target_powerpc::Scan::local): Handle more relocs.
(Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK.
(Target_powerpc::Relocate::relocate): Correct toc base calculation.
Plug in toc restoring insn after plt calls. Translate branches
to function descriptor symbols to corresponding entry point.
(Target_powerpc::relocate_for_relocatable): Check return from
get_output_section_offset.
* symtab.h: Comment typo.
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unsupported_relocal_local to call unsupported_reloc_global.
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* script-sections.cc (Sections_element::output_section_name): Add
keep return parameter.
(Output_section_element::match_name): Add keep return parameter.
Return the value of the keep_ member.
* script-sections.h (class Output_section): Update
output_section_name prototype.
* layout.cc (Layout::keep_input_section): New public member
function.
(Layout::choose_output_section): Pass keep parameter to
output_section_name.
* layout.h (class Layout): Add keep_input_section.
* object.cc (Sized_relobj_file::do_layout): Check for kept input
sections.
* testsuite/Makefile.am: Add a test.
* testsuite/Makefile.in: Regenerate.
* testsuite/pr14265.c: Source file for the test.
* testsuite/pr14265.t: Linker script for the test.
* testsuite/pr14265.sh: Shell script for the test.
* ld-gc/gc.exp: Add a new test.
* ld-gc/pr14265.c: Source file for the new test.
* ld-gc/pr14265.t: Linker script for the new test.
* ld-gc/pr14265.d: Expected symbol dump.
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(Target::do_output_section_name): New function.
* layout.cc (Layout::choose_output_section): Call the above.
* powerpc.cc (Target_powerpc::do_output_section_name): New function.
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* powerpc.h: Add more relocs.
(R_PPC_REL16*): Rename to R_POWERPC_REL16*.
gold/
* powerpc.cc: Update for renamed R_PPC_REL16 relocs.
(Output_data_got_powerpc::do_write): Don't rely on base class lookup
for replace_constant call.
(Output_data_plt_powerpc::do_print_to_mapfile): New function.
(Output_data_glink::do_print_to_mapfile): New function.
(Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE.
(Target_powerpc::Relocate::relocate): Likewise.
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(Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
(Output_data_glink::add_entry,find_entry): Remove shndx param.
(class Glink_sym_ent): Rename from struct Glink_sym_ent. Remove
all references to shndx_. Handle special case for R_PPC_PLTREL24
here.
(class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
(Output_data_glink::do_write): Retrieve got2_shdnx from object.
(Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
here.
(Target_powerpc::Scan::global): Nor on make_plt_entry call.
(Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
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(glink insn constants): Use uint32_t.
(Output_data_glink::add_entry): Use insert, not [] operator.
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(Sized_relobj_file::find_special_sections): New function.
* object.cc (Sized_relobj_file::find_shdr): New function.
(Sized_relobj_file::find_eh_frame): Use find_shdr.
(Sized_relobj_file::find_special_sections): New function, split out..
(Sized_relobj_file::do_read_symbols): ..from here.
* output.h (Output_data_got::replace_constant): New function.
(Output_data_got::num_entries): New function.
(Output_data_got::last_got_offset,set_got_size): Use num_entries.
(Output_data_got::got_offset): Protected rather than private.
(Output_data_got::replace_got_entry): New function.
* output.cc (Output_data_got::replace_got_entry): New function.
* powerpc.cc (class Powerpc_relobj): New.
(class Powerpc_relocate_functions): Delete all psymval variants or
convert to value,addend type. Delete pcrela, pcrela_unaligned.
Implement _ha functions using corresponding _hi function.
(Powerpc_relobj::find_special_sections): New function.
(Target_powerpc::do_make_elf_object): New function.
(class Output_data_got_powerpc): New.
(class Output_data_glink): New.
(class Powerpc_scan_relocatable_reloc): New.
Many more changes througout file.
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dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
plt_rel.
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PR gold/14344
* configure.ac: Add check for -gpubnames support.
* configure: Regenerate.
* testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
support; force -gno-pubnames.
(gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
support.
(gdb_index_test_4): New test.
* testsuite/Makefile.in: Regenerate.
* testsuite/gdb_index_test_1.sh: Refactor code into common file.
* testsuite/gdb_index_test_2.sh: Likewise.
* testsuite/gdb_index_test_3.sh: Don't look for space after colon.
* testsuite/gdb_index_test_4.sh: New script.
* testsuite/gdb_index_test_comm.sh: New script with common code;
don't look for space after colon.
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* gold.cc (queue_middle_tasks): Update function order only after
deferred objects due to plugins are processed.
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(Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
(Target_arm::scan_reloc_for_stub): Likewise.
* common.cc (Symbol_table::do_allocate_commons_list): Likewise.
* dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
* ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
* incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
* powerpc.cc (Target_powerpc::relocate_tls): Likewise.
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* configure.ac: Test whether std::tr1::hash<off_t> works.
* gold.h: Add a specialization for std::tr1::hash<off_t> if
needed.
* output.h (class Output_fill): Add virtual destructor.
* configure, config.in: Rebuild.
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* layout.cc (finalize): Define __ehdr_start symbol if applicable.
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* plugin.cc (Plugin::load): Handle position independent executables.
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* layout.cc (gdb_sections): Remove ".debug_" prefixes,
add .debug_macro.
(lines_only_debug_sections): Likewise.
(gdb_fast_lookup_sections): New static array.
(is_gdb_debug_section): Rename formal parameter.
(is_lines_only_debug_section): Likewise.
(is_gdb_fast_lookup_section): New function.
(Layout::include_section): Check for ".zdebug_" prefix; pass
section name suffix to is_gdb_debug_section, et al.; check for
fast-lookup sections when building .gdb_index.
* options.h (--strip-debug-gdb): Update GDB version number.
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* configure.ac: Add check for fallocate.
* configure: Regenerate.
* config.in: Regenerate.
* options.h (class General_options): Add --mmap-output-file and
--posix-fallocate options.
* output.cc: (posix_fallocate): Remove; replace with...
(gold_fallocate): New function.
(Output_file::map_no_anonymous): Call gold_fallocate.
(Output_file::map): Check --mmap-output-file option.
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