summaryrefslogtreecommitdiffstats
path: root/binutils-2.25/gold/ChangeLog
blob: 9e84837e733f8bff6ac945190e2fb088182e03b7 (plain)
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2015-07-20  Yiran Wang  <yiran@google.com>
	Cary Coutant  <ccoutant@gmail.com>

	PR gold/15574
	* resolve.cc (Symbol_table): Remove warning about references
	from shared objects to hidden symbols.
	* testsuite/Makefile.am (hidden_test): Add hidden_test.syms.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/hidden_test.sh: Check dynamic symbol table; update
	expected error messages.

2016-06-28 Rahul Chaudhry  <rahulchaudhry@google.com>

	Revert patch -- to be replaced by the upstream patch with tests.

	2015-06-16  Yiran Wang <yiran@google.com>

	    * resolve.cc disable the warning of a hidden symbol matches a
	    reference to be resolved

2016-02-05  Sriraman Tallam  <tmsriram@google.com>

        * icf.cc (get_rel_addend): New function.
        (get_section_contents):  Move merge section addend computation to a
        new function.  Ignore negative values for SHT_REL and SHT_RELA addends.
        Fix bug to not read past the length of the section.

    Fix bug related to addend computation for MERGE sections.


2016-02-26  Egor Kochetov  <egor.kochetov@intel.com>
	    Cary Coutant  <ccoutant@gmail.com>

	PR gold/19735
	* ehframe.h (Cie::fde_encoding): New method.
	* ehframe.cc (Eh_frame::read_fde): Discard FDEs for zero-length
	address ranges.

2016-02-11 Rahul Chaudhry  <rahulchaudhry@google.com>

	* aarch64.cc (Target_aarch64::scan_erratum_843419_span): Remove
	info message for every erratum 843419 found and fixed.

2015-12-17  Peter Collingbourne  <pcc@google.com>

	PR gold/18780
	* arm.cc (Target_arm::do_make_data_plt): Choose PLT generator based
	on value of --long-plt flag.
	(Output_data_plt_arm_standard::do_get_plt_entry_size): Moved to
	Output_data_plt_arm_short.
	(Output_data_plt_arm_standard::do_fill_plt_entry): Likewise.
	(Output_data_plt_arm_standard::plt_entry): Likewise.
	(Output_data_plt_arm_standard::do_fill_first_plt_entry): Fix
	variable reference.
	(Output_data_plt_arm_short): New class.
	(Output_data_plt_arm_short::do_fill_plt_entry): Error out on too large
	PLT offsets instead of asserting.
	(Output_data_plt_arm_long): New class.
	* options.h (General_options): Define --long-plt flag.

2016-01-15 Han Shen  <shenhan@google.com>

	PR gold/19472 - need pc-relative stubs.

	* aarch64.cc (Reloc_stub::stub_type_for_reloc): Return PC-relative
	stub type for DSOs and pie executables.

2015-11-05  Cary Coutant  <ccoutant@gmail.com>

	PR gold/19163
	* aarch64.cc (Target_aarch64::Relocate::relocate): Don't apply
	certain relocations if --no-apply-dynamic-relocs is set.
	* options.h (--apply-dynamic-relocs): New aarch64-specific option.

2015-10-27  Han Shen  <shenhan@google.com>

	PR gold/19042 - unsupported reloc 311/312.

	* aarch64.cc (Target_aarch64::Scan::local): Add support for
	reloc 311/312.

2015-01-02  Alan Modra  <amodra@gmail.com>

	* version.cc (print_version): Just print current year.
	* dwp.cc (print_version): Likewise.

2015-02-21  H.J. Lu  <hongjiu.lu@intel.com>

	* configure.ac (default_size): Set to 32 for x32.
	* configure: Regenerated.

2015-02-18  Alan Modra  <amodra@gmail.com>

	PR 17954
	* powerpc.cc (Global_symbol_visitor_opd::operator()): Set default
	visibility.

2015-02-17  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>

	* gc.h (Garbage_collection::add_reference): Don't use find.

2015-02-17  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>

	* object.cc (write_local_symbols): avoid std::vector copy.

2015-02-17  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>

	* merge.cc (get_output_offset): Use upper_bound instead of lower_bound.

2015-02-09  Mark Wielaard  <mjw@redhat.com>

	* gdb-index.cc (Gdb_index_info_reader::visit_top_die): Recognize
	DW_LANG_Fortran03 and DW_LANG_Fortran08.

2015-02-16  Cary Coutant  <ccoutant@google.com>

	PR gold/17971
	* incremental.cc: Remove redundant include of "output.h".

2015-02-11  Will Newton  <will.newton@linaro.org>

	PR gold/13321
	* arm.cc (Target_arm::make_plt_section): Create an ARM
	state mapping symbol at the start of the PLT.

2015-02-09  H.J. Lu  <hongjiu.lu@intel.com>

	* testsuite/Makefile.am (two_file_shared_2_pic_1_test_DEPENDENCIES):
	Replace two_file_shared_2.so with two_file_shared_1.so.
	* testsuite/Makefile.in: Regenerated.

2015-02-09  Alan Modra  <amodra@gmail.com>

	* testsuite/Makefile.am (MOSTLYCLEANFILES): Add libweak_undef_2.a,
	plugin_test_thin.a and defsym_test.
	* testsuite/Makefile.in: Regenerate.

2015-02-04  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>

	* merge.cc (do_add_input_section): Combine loop epilogue into main loop
	body.

2015-02-02  Cary Coutant  <ccoutant@google.com>

	* x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for
	executable output file.

2015-01-28  Cary Coutant  <ccoutant@google.com>

	* x86_64.cc (Target_x86_64::Scan::global): Allow IE-to-LE optimization
	for undef TLS symbols.
	(Target_x86_64::Relocate::relocate_tls): Likewise.
	(Target_x86_64::Relocate::tls_ie_to_le): Likewise.

2015-01-25  Cary Coutant  <ccoutant@google.com>

	* output.cc (Output_segment::set_section_addresses): Fix calculation
	of size of relro segment.

2015-01-14  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>

	* mips.cc (reloc_high): Add r_sym.
	(Mips_relocate_functions::relhi16): Add r_sym parameter. Pass r_sym to
	reloc_high constructor.
	(Mips_relocate_functions::relgot16_local): Likewise.
	(Mips_relocate_functions::rello16): Add r_sym parameter. Use r_sym and
	r_type to decide whether LO16 matches HI16.
	(Target_mips::Relocate::relocate): Pass r_sym to calls to relhi16,
	rello16 and relgot16_local.

2015-01-09  Cary Coutant  <ccoutant@google.com>

	* layout.cc (Layout::set_segment_offsets): Don't align start of segment
	unless alignment is larger than page size.

2015-01-06  H.J. Lu  <hongjiu.lu@intel.com>
	    Cary Coutant  <ccoutant@google.com>

	PR gold/17729
	* configure.ac (DEFAULT_TARGET_X86_64): Don't set for x32.
	(DEFAULT_TARGET_X32): Set for x32.
	* x86_64.cc (cmp_insn_32): New.
	(lea_r10_insn_32): Likewise.
	(lea_r11_insn_32): Likewise.
	(cmp_insn_64): Likewise.
	(lea_r10_insn_64): Likewise.
	(lea_r11_insn_64): Likewise.
	(Target_x86_64<size>::do_calls_non_split): Handle x32.
	* testsuite/Makefile.am (check_SCRIPTS): Add split_x32.sh.
	(check_DATA): Add split_x32 files.
	(split_x32_[1234n].o): New targets.
	(split_x32_[124]): New targets.
	(split_x32_[1234r].stdout): New targets.
	* testsuite/split_x32.sh: New file.
	* testsuite/split_x32_1.s: Likewise.
	* testsuite/split_x32_2.s: Likewise.
	* testsuite/split_x32_3.s: Likewise.
	* testsuite/split_x32_4.s: Likewise.
	* testsuite/split_x32_n.s: Likewise.
	* configure: Regenerated.
	* testsuite/Makefile.in: Likewise.

2015-01-06  H.J. Lu  <hongjiu.lu@intel.com>

	PR gold/17809
	* x86_64.cc (Target_x86_64<size>::Relocate::tls_ie_to_le): Handle
	x32.

2014-12-25  Alan Modra  <amodra@gmail.com>

	* arm.cc (Target_arm::do_adjust_elf_header): Provide namespace on
	new enums.
	(Target_arm::merge_object_attributes, ): Likewise.

2014-12-25  Thomas Preud'homme  <thomas.preudhomme@arm.com>

	* arm.cc (Target_arm::do_adjust_elf_header): Set e_flags in ELF header
	as hard float only when Tag_ABI_VFP_args is 1, using new enum value
	AEABI_VFP_args_vfp to check that.
	(Target_arm::merge_object_attributes): Handle new Tag_ABI_VFP_args
	value and replace hardcoded values by enum values.

2014-12-20  H.J. Lu  <hongjiu.lu@intel.com>

	PR gold/14608
	* testsuite/debug_msg.cc (SometimesInlineFunction): Changed
	to "return i * i * 3;".

2014-12-16  Cary Coutant  <ccoutant@google.com>

	* mapfile.cc (Mapfile::print_input_section): Print uncompressed sizes.
	(Mapfile::print_output_data): Use current_data_size() to avoid
	assert for sections requiring postprocessing; if address is not valid,
	print 0.
	(Mapfile::print_output_section): Use current_data_size(); print note
	that addresses and sizes are before compression.

2014-12-03  H.J. Lu  <hongjiu.lu@intel.com>

	PR gold/17675
	* testsuite/Makefile.am (pie_copyrelocs_test_CXXFLAGS): New.
	* testsuite/Makefile.in: Regenerated.

2014-12-01  Dimitry Ivanov <dimitry@google.com>

	* layout.cc (Layout::finish_dynamic_section): When '-z global'
	is specified set DF_1_GLOBAL in DT_FLAGS_1 flags.
	* options.h (General_options): New -z option (global).

2014-12-01  Cary Coutant  <ccoutant@google.com>

	PR gold/17578
	* layout.cc (Layout::layout_gnu_stack): Don't warn when -z execstack
	is given.
	(Layout::create_executable_stack_info): Warn when -z noexecstack is
	given but some inputs require executable stack.

2014-11-26  Cary Coutant  <ccoutant@google.com>

	* layout.cc (gdb_sections): Keep .debug_gdb_scripts and
	.debug_str_offsets; strip .debug_gnu_pubnames and
	.debug_gnu_pubtypes.
	(lines_only_debug_sections): Strip all four new sections.

2014-11-25  Cary Coutant  <ccoutant@google.com>

	* binary.cc (Binary_to_elf::sized_convert): Add size to _start symbol.
	(Binary_to_elf::write_symbol): Add st_size parameter.
	* binary.h (Binary_to_elf::write_symbol): Add st_size parameter.

2014-11-25  Cary Coutant  <ccoutant@google.com>

	PR gold/17639
	* object.cc (Sized_relobj_file): Initialize is_deferred_layout_.
	(Sized_relobj_file::do_layout): Handle deferred sections properly
	during GC pass 1. Don't add reloc sections to deferred list twice.
	* object.h (Sized_relobj_file::is_deferred_layout): New function.
	(Sized_relobj_file::is_deferred_layout_): New data member.

2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>

	PR gold/17619
	* x86_64.cc (Output_data_plt_x86_64_standard<size>::do_fill_plt_entry):
	Check PC-relative offset overflow in PLT entry.

2015-06-16  Yiran Wang <yiran@google.com>

	* resolve.cc disable the warning of a hidden symbol matches a
	reference to be resolved

2015-07-23  Ian Coolidge  <icoolidge@google.com>

	Plumb --pic-veneer option for gold.

	This fixes ARM Linux gold link after
	02e541d: ARM: 8323/1: force linker to use PIC veneers

	gold/
	* arm.cc (Reloc_stub::stub_type_for_reloc): Plumb to stub
	generation.
	* options.h (General_options): Add --pic-veneer option.

2015-06-11  Cary Coutant  <ccoutant@gmail.com>

	* aarch64.cc (Erratum_stub::STUB_ADDR_ALIGN): Move initialization
	outside class body.
	(Reloc_stub::STUB_ADDR_ALIGN): Likewise.

2015-07-20  Han Shen  <shenhan@google.com>

	Optimize erratum 843419 fix.

	* aarch64.cc (AArch64_insn_utilities::is_adr): New method.
	(AArch64_insn_utilities::aarch64_adr_encode_imm): New method.
	(AArch64_insn_utilities::aarch64_adrp_decode_imm): New method.
	(E843419_stub): New sub-class of Erratum_stub.
	(AArch64_relobj::try_fix_erratum_843419_optimized): New method.
	(AArch64_relobj::section_needs_reloc_stub_scanning): Try optimized fix.
	(AArch64_relobj::create_erratum_stub): Add 1 argument.
	(Target_aarch64::scan_erratum_843419_span): Pass in adrp insn offset.

2015-07-20  Han Shen  <shenhan@google.com>

	Fix arm elf header flags wrt hardfp bit.

	* arm.cc (Target_arm::do_adjust_elf_header): Set flags into view.

2015-07-09  Han Shen  <shenhan@google.com>

	Drop missing symbol warning for arm/aarch64.

	* aarch64.cc (AArch64_relobj::scan_errata): Drop missing symbol warning.
	* arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Drop missing
	symbol warning.

2015-07-09  Han Shen  <shenhan@google.com>

	Use "gold_info" instead of "gold_warning" for erratum fix.

	* aarch64.cc (Target_aarch64::scan_erratum_843419_span): Use
	'gold_info'.
	(Target_aarch64::scan_erratum_835769_span): USe 'gold_info'.

2015-07-07  Han Shen  <shenhan@google.com>

	Make gold aarch64 accept long form of mapping symbols.

	* aarch64.cc (AArch64_relobj::do_count_local_symbols): Make legal
	of mapping symbols.

2015-06-29  Han Shen  <shenhan@google.com>

	Patch for erratum 843419 internal error.

	* aarch64.cc (Erratum_stub::Insn_utilities): New typedef.
	(Erratum_stub::update_erratum_insn): New method.
	(Stub_table::relocate_stubs): Modified to place relocated insn.
	(AArch64_relobj::fix_errata): Modified gold_assert.

2015-06-12  Han Shen  <shenhan@google.com>

	Fix erratum 835769.

	* aarch64.cc (AArch64_insn_utilities::BYTES_PER_INSN): Move
	defintion outside class definition.
	(AArch64_insn_utilities::AARCH64_ZR): New static constant.
	(AArch64_insn_utilities::aarch64_op31): New member.
	(AArch64_insn_utilities::aarch64_ra): New member.
	(AArch64_insn_utilities::aarch64_mac): New member.
	(AArch64_insn_utilities::aarch64_mlxl): New member.
	(ST_E_835769): New global enum member.
	(Stub_table::relocate_stubs): Add 835769 handler.
	(Stub_template_repertoire::Stub_template_repertoire): Install new
	stub type.
	(AArch64_relobj::scan_errata): This func is renamed from
	scan_erratum_843419.
	(AArch64_relobj::do_count_local_symbols): Add 835769 handler.
	(AArch64_relobj::do_relocate_sections): Add 835769 handler.
	(AArch64_relobj::scan_sections_for_stubs): Add 835769 handler.
	(Target_aarch64::scan_erratum_835769_span): New method.
	(Target_aarch64::create_erratum_stub): New method.
	(Target_aarch64::is_erratum_835769_sequence): New method.
	(Target_aarch64::scan_erratum_843419_sequence): Move part of the
	code into create_erratum_stub.
	* options.h (fix_cortex_a53_835769): New option.

2015-06-10  Han Shen  <shenhan@google.com>
	Patch for erratum-843419 (2 of 2 - fix erratum occurrences).

	Now fixing for 843419 is fully functional.

	The first part of the erratum fix CL is here -
	https://sourceware.org/ml/binutils/2015-04/msg00229.html

	* aarch64.cc(global enum): New constants representing stub types.
	(Stub_template): New POD struct.
	(Stub_template_repertoire): New class.
	(Stub_base): New class.
	(Erratum_stub): New class.
	(Reloc_stub): Refactored to be a subclass of Stub_base.
	(Reloc_stub::Stub_type): Removed.
	(Reloc_stub::offset): Moved to Stub_base.
	(Reloc_stub::set_offset): Moved to Stub_base.
	(Reloc_stub::destination_address): Moved to Stub_base.
	(Reloc_stub::set_destination_address): Moved to Stub_base.
	(Reloc_stub::reset_destination_address): Moved to Stub_base.
	(Reloc_stub::stub_type): Renamed and moved to Stub_base.
	(Reloc_stub::stub_size): Renamed and moved to Stub_base.
	(Reloc_stub::stub_insns): Renamed and moved to Stub_base.
	(Reloc_stub::write): Moved to Stub_base.
	(Reloc_stub::invalid_offset): Moved to Stub_base.
	(Reloc_stub::invalid_address): Moved to Stub_base.
	(Reloc_stub::stub_type_): Renamed and moved to Stub_base.
	(Reloc_stub::stub_insns_): Moved to Stub_base.
	(Reloc_stub::offset_): Moved to Stub_base.
	(Reloc_stub::destination_address_): Moved to Stub_base.
	(Stub_table::The_aarch64_relobj): New typedef.
	(Stub_table::The_erratum_stub): New typedef.
	(Stub_table::The_erratum_stub_less): New typedef.
	(Stub_table::The_erratum_stub_set): New typedef.
	(Stub_table::The_erratum_stub_set_iter): New typedef.
	(Stub_table::empty): Added emptiness testing for erratum stubs.
	(Stub_table::add_erratum_stub): New method to add an erratum stub.
	(Stub_table::find_erratum_stub): New method.
	(Stub_table::find_erratum_stubs_for_input_section): New method.
	(Stub_table::erratum_stub_address): New method.
	(Stub_table::update_date_size_changed_p): Modified to handle erratum stubs.
	(Stub_table::do_addralign): Modified to handle erratum stubs.
	(Stub_table::erratum_stubs_): New member.
	(Stub_table::erratum_stub_size_): New member.
	(Stub_table::relocate_stubs): Modified to handle erratum stubs.
	(Stub_table::do_write): Modified to handle erratum stubs.
	(AArch64_relobj::The_erratum_stub): New typedef.
	(AArch64_relobj::Erratum_stub_set_iter): New typedef.
	(AArch64_relobj::fix_errata): New method.
	(Target_aarch64::The_reloc_stub_type): Removed.
	(Target_aarch64::The_erratum_stub): New typede.
	(AArch64_relocate_functions::construct_b): New method.

2015-04-27  Han Shen  <shenhan@google.com>

	* options.h (--fix-cortex-a53-843419): Rename option.
	* aarch64.cc (AArch64_relobj::do_count_local_symbols): Use renamed
	option.
	(AArch64_relobj::scan_sections_for_stubs): Use renamed option.

2015-04-16  Han Shen  <shenhan@google.com>

	* aarch64.cc (AArch64_insn_utilities): New utility class.
	(AArch64_relobj::Mapping_symbol_position): New struct.
	(AArch64_relobj::Mapping_symbol_info): New typedef.
	(AArch64_relobj::do_count_local_symbols): New function overriding
	parent's implementation.
	(AArch64_relobj::mapping_symbol_info_): New member
	(AArch64_relobj::scan_erratum_843419): New method.
	(Target_aarch64::scan_erratum_843419_span): New method.
	(Target_aarch64::is_erratum_843419_sequence): New method.
	* options.h (fix_cortex_a53): New option.

2015-02-02  Khem Raj  <raj.khem@gmail.com>

	* attributes.h (class Output_attributes_section_data ): Add
	do_print_to_mapfile function.

2015-04-07  HC Yen <hc.yen@mediatek.com>

	Add AArch32 support for gold linker.
	gold/
	* arm.cc: Add V8 arch combine table.

2015-03-21  Cary Coutant  <cary@google.com>

	PR gold/18048
	* script-c.h (script_include_directive): Add first_token parameter.
	* script.cc (script_include_directive): Add first_token parameter, and
	pass it to read_script_file.
	* yyscript.y (PARSING_SECTIONS_BLOCK, PARSING_SECTION_CMDS)
	(PARSING_MEMORY_DEF): New tokens.
	(top): Add new productions for INCLUDE files.
	(file_cmd): Replace file_or_sections_cmd with copy of its productions.
	Pass PARSING_LINKER_SCRIPT to script_include_directive.
	(section_block_cmd): Likewise; pass PARSING_SECTIONS_BLOCK.
	(section_cmd): Pass PARSING_SECTION_CMDS.
	(file_or_sections_cmd): Remove.
	(memory_def): Pass PARSING_MEMORY_DEF.
	* testsuite/Makefile.am (memory_test_2): New test.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/memory_test_inc.t: New script file.
	* testsuite/memory_test_inc_1.t.src: New script file.
	* testsuite/memory_test_inc_2.t.src: New script file.
	* testsuite/memory_test_inc_3.t.src: New script file.

2015-03-21  Cary Coutant  <cary@google.com>

	PR gold/18010
	* stringpool.cc (Stringpool_template): Don't optimize if section
	alignment is greater than sizeof(char).

2014-11-13  H.J. Lu  <hongjiu.lu@intel.com>

	* x86_64.cc (Target_x86_64<size>::Scan::global): Don't make PLT
	entry for R_X86_64_GOTPLT64.
	(Target_x86_64<size>::Relocate::relocate): Update comments for
	R_X86_64_GOTPLT64.

2014-11-06  Evgeniy Dushistov  <dushistov@mail.ru>

	* plugin.cc: use lock to searialize calls of Plugin_manager::claim_file
	* plugin.h: add lock definition

2014-10-29  Han Shen  <shenhan@google.com>
	    Jing Yu   <jingyu@google.com>

	* aarch64-reloc.def: Add LD_PREL_LO12, ADR_PREL_LO21,
	TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC, TLSLD_MOVW_DTPREL_G1,
	TLSLD_MOVW_DTPREL_G0_NC. Change property of TLS relocations to
	Symbol::TLS_REF.
	* aarch64.cc (Target_aarch64::do_can_check_for_function_pointers): New
	method.
	(Target_aarch64::reloc_needs_plt_for_ifunc): New method.
	(Target_aarch64::tls_ld_to_le): New method.
	(Target_aarch64::aarch64_info): Enable can_icf_inline_merge_sections
	for 64bit targets.
	(Output_data_plt_aarch64::irelative_rel_): New data member.
	(Output_data_plt_aarch64::add_entry): Add irelative entries to plt.
	(Output_data_plt_aarch64::add_local_ifunc_entry): New method.
	(Output_data_plt_aarch64::add_relocation): New method.
	(Output_data_plt_aarch64::do_write): Add gold_assert on got_irelative
	offset. Add got_irelative size to got size.
	(AArch64_relocate_functions): Typedef AArch64_valtype. Replace long
	type string with the new typename.
	(AArch64_relocate_functions::update_adr): Replace parameter x with
	immed.
	(AArch64_relocate_functions::update_movnz): Correct wrong val mask.
	(AArch64_relocate_functions::reloc_common): New method.
	(AArch64_relocate_funcsions::rela_general): Extract common part out
	into reloc_common method.
	(AArch64_relocate_functions::rela_general): Likewise.
	(AArch64_relocate_functions::pcrela_general): Likewise.
	(AArch64_relocate_functions::adr): New method.
	(AArch64_relocate_functions::adrp): Calculate immed before calling
	update_adr.
	(AArch64_relocate_functions::adrp): Likewise.
	(AArch64_relocate_functions::movnz): Cast x to SignedW type when
	comparing x to 0. Calculate immed from ~x when x < 0.
	(Target_aarch64::optimize_tls_reloc): Add new cases for
	TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC, TLSLD_MOVW_DTPREL_G1,
	TLSLD_MOVW_DTPREL_G0_NC.
	(Target_aarch64::possible_function_pointer_reloc): Implement this
	method.
	(Target_aarch64::Scan::local_reloc_may_be_function_pointer): Update
	comment.
	(Target_aarch64::Scan::local): Add codes to handle STT_GNU_IFUNC
	symbol. Add cases for TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC,
	TLSLD_MOVW_DTPREL_G1, TLSLD_MOVW_DTPREL_G0_NC.
	(Target_aarch64::Scan::global): Add codes to handle STT_GNU_IFUNC
	symbol. Add cases for TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC,
	TLSLD_MOVW_DTPREL_G1, TLSLD_MOVW_DTPREL_G0_NC.
	(Target_aarch64::make_plt_entry): Call add_entry with two more
	parameters.
	(Target_aarch64::make_local_ifunc_plt_entry): New method.
	(Target_aarch64::Relocate::relocate): Add cases for LD_PREL_LO19,
	ADR_PREL_LO21, TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC,
	TLSLD_MOVW_DTPREL_G1, TLSLD_MOVW_DTPREL_G0_NC.
	(Target_aarch64::Relocate::relocate_tls): Add cases for
	TLSLD_ADR_PAGE21, TLSLD_ADD_LO12_NC, TLSLD_MOVW_DTPREL_G1,
	TLSLD_MOVW_DTPREL_G0_NC.
	* testsuite/icf_safe_so_test.cc: Correct test comment.
	* testsuite/icf_safe_test.sh: Add AArch64 arch.

2014-10-22  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (do_relax): Add gcc-4.9 libgomp functions to
	thread_starter.

2014-10-18  Andreas Schwab  <schwab@linux-m68k.org>

	* configure.tgt (targ_extra_obj) [aarch64*-*]: Define.

2014-10-17  Cary Coutant  <ccoutant@google.com>

	* aarch64.cc (AArch64_relocate_functions::maybe_apply_stub):
	Add "typename" keyword.

2014-09-22  Han Shen  <shenhan@google.com>
            Jing Yu   <jingyu@google.com>

	Patch for gold aarch64 backend to support relaxation.
	* aarch64-reloc.def: Change format.
	* aarch64.cc (class Reloc_stub): New class.
	(class Stub_table): New class.
	(class AArch64_relobj): New class.
	(class AArch64_input_section): New class.
	(class AArch64_output_section): New class.
	(Target_aarch64::new_stub_table): New method.
	(Target_aarch64::new_aarch64_input_section): New method.
	(Target_aarch64::find_aarch64_input_section): New method.
	(Target_aarch64::scan_section_for_stubs): New method.
	(Target_aarch64::scan_reloc_section_for_stubs): New method.
	(Target_aarch64::relocate_stub): New method.
	(Target_aarch64::current_target): New method.
	(Target_aarch64::do_make_elf_object): New method.
	(Target_aarch64::do_may_relax): New method.
	(Target_aarch64::do_relax): New method.
	(Target_aarch64::group_sections): New method.
	(Target_aarch64::scan_reloc_for_stub): New method.
	(Target_aarch64::do_make_output_section): New method.
	(Target_aarch64::stub_tables_): New data member.
	(Target_aarch64::aarch64_input_section_map_): New data member.
	(AArch64_relocate_functions::maybe_apply_stub): New method.

2014-09-30  Cary Coutant  <ccoutant@google.com>

	PR gold/17432
	* resolve.cc (Symbol_table::resolve): Fix local shadowing error.

2014-09-30  Kito Cheng  <kito@0xlab.org>

	PR gold/13597
	* layout.cc (Layout::create_dynamic_symtab): Build gnu-style
	hash table before sysv-style hash table.

2014-09-29  Sriraman Tallam  <tmsriram@google.com>

	* options.h (--pic-executable): Add negative to alias to -no-pie.

2014-09-26  Cary Coutant  <ccoutant@google.com>

	PR gold/16773
	* object.cc (Sized_relobj_file): Compute value of section symbols
	for TLS sections the same as TLS symbols.

2014-09-25  Cary Coutant  <ccoutant@google.com>

	PR gold/17432
	* resolve.cc (Symbol_table::resolve): Override common placeholder
	symbols, but adjust sizes.
	* symtab.cc (Symbol_table::add_from_object): Don't add placeholder
	symbols to common lists.

2014-09-24  Alan Modra  <amodra@gmail.com>

	* po/POTFILES.in: Regenerate.

2014-09-23  Taiju Tsuiki  <tzik@google.com>
            Cary Coutant  <ccoutant@google.com>

	PR gold/14860
	* gold.cc (queue_final_tasks): Add Write_sections_task as a blocker
	on input_sections_blocker.
	* layout.cc (Write_sections_task::locks): Unblock
	input_sections_blocker_.
	* layout.h (Write_sections_task::Write_sections_task): Add
	input_sections_blocker.
	* testsuite/Makefile.am (exception_x86_64_bnd_test): Add gcctestdir/ld
	to DEPENDENCIES.
	* testsuite/Makefile.in: Regenerate.

2014-09-18  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>

	* testsuite/Makefile.am (plugin_test_10): New test.
	* testsuite/Makefile.in: Regenerate
	* testsuite/plugin_common_test_2.c (c1): Align to 8.
	* testsuite/plugin_test_10.sh: New file.

2014-09-17  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>

	* plugin.cc (Sized_pluginobj::do_add_symbols): Ignore isym->size.
	* resolve.cc (Symbol_table::resolve): Don't override common symbols
	during the replacement phase.

2014-09-17  Han Shen  <shenhan@google.com>
	    Jing Yu  <jingyu@google.com>

	* aarch64-reloc.def: Add TLSGD_ADR_PAGE21, TLSGD_ADD_LO12_NC,
	TLSDESC_ADR_PAGE21, TLSDESC_LD64_LO12, TLSDESC_ADD_LO12, TLSDESC_CALL.
	* aarch64.cc (Target_aarch64): Add data members
	got_irelative_, got_tlsdesc_, rela_irelative_, got_mod_index_offset_,
	tlsdesc_reloc_info_, tls_base_symbol_defined_. Initialize them in
	constructor.
	(Target_aarch64::do_reloc_symbol_index): New method.
	(Target_aarch64::do_reloc_addend): New method.
	(Target_aarch64::add_tlsdesc_info): New method.
	(Target_aarch64::do_dynsym_value): New method.
	(Target_aarch64::do_make_data_plt): Add new parameters: got,
	got_irelative. Pass them to Output_data_plt_aarch64_standard.
	(Target_aarch64::make_data_plt): Add new parameters: got,
	got_irelative. Pass them to do_make_data_plt.
	(Target_aarch64::Relocate): Add skip_call_tls_get_addr_ variable.
	(Target_aarch64::Relocate:tls_gd_to_le): New method.
	(Target_aarch64::Relocate:tls_ie_to_le): New method.
	(Target_aarch64::Relocate:tls_desc_gd_to_le): New method.
	(Target_aarch64::Relocate:tls_desc_gd_to_ie): New method.
	(Target_aarch64::got_tlsdesc_section): New method.
	(Target_aarch64::make_local_ifunc_plt_entry): New method.
	(Target_aarch64::define_tls_base_symbol): New method.
	(Target_aarch64::reserve_tlsdesc_entries): New method.
	(Target_aarch64::got_mod_index_entry): New method.
	(Target_aarch64::rela_tlsdesc_section): New method.
	(Target_aarch64::rela_irelative_section): New method.
	(Target_aarch64::Tlsdesc_info): New struct.
	(Target_aarch64::got_section): Create .got.plt space for IRELATIVE
	relocations and tlsdesc relocations.
	(Target_aarch64::optimize_tls_reloc): Implement method.
	(Output_data_plt_aarch64): Add member variables: tlsdesc_rel_, got_,
	got_irelative_, irelative_count_, tlsdesc_got_offset_. Initialize them
	in constructor.
	(Output_data_plt_aarch64::reserve_tlsdesc_entry): New method.
	(Output_data_plt_aarch64::has_tlsdesc_entry): New method.
	(Output_data_plt_aarch64::get_tlsdesc_got_offset): New method.
	(Output_data_plt_aarch64::get_tlsdesc_plt_offset): New method.
	(Output_data_plt_aarch64::rela_tlsdesc): New method.
	(Output_data_plt_aarch64::rela_irelative): New method.
	(Output_data_plt_aarch64::entry_count): Count IRELATIVE relocations.
	(Output_data_plt_aarch64::first_plt_entry_offset): Add const attribute.
	(Output_data_plt_aarch64::get_plt_tlsdesc_entry_size): New method.
	(Output_data_plt_aarch64::fill_tlsdesc_entry): New method.
	(Output_data_plt_aarch64::do_get_plt_tlsdesc_entry_size): New method.
	(Output_data_plt_aarch64::do_fill_tlsdesc_entry): New method.
	(Output_data_plt_aarch64_standard): New member variables:
	plt_tlsdesc_entry_size, tlsdesc_plt_entry.
	(Output_data_plt_aarch64_standard::Output_data_plt_aarch64_standard):
	New parameter: got, got_irelative.
	(Output_data_plt_aarch64_standard::do_get_plt_entry_size): New method.
	(Output_data_plt_aarch64_standard::do_fill_tlsdesc_entry): New method.
	(Output_data_plt_aarch64::do_write): Replace got_address with
	gotplt_address. Add irelative_count_ to count. Write tlsdesc entry.
	(AArch64_relocate_functions::update_movnz): New method.
	(AArch64_relocate_functions): Correct format.
	(AArch64_relocate_functions::movnz): New method.
	(Target_aarch64::Scan::local): Correct format. Move r_sym, got to
	before the switch. Add new cases to switch.
	Check ie_to_le relaxation on tlsie relocations. Add code handling
	tlsgd tlsdesc cases.
	(Target_aarch64::Scan::global): Move arp to front. Do copy_reloc when
	needed. Add new cases to switch. Insert dynamic RELATIVE relocation
	when needed. Add code handling tlsgd, tlsie, tlsdesc cases.
	Call reloc_name_in_error_message to print unsupported reloc.
	(Target_aarch64::make_plt_section): Pass got_ and got_irelative_ to
	make_data_plt.
	(Target_aarch64::do_finalize_sections): Emit relocs to save COPY
	relocs. Fill in some more dynamic tags.
	(Target_aarch64::Relocate::relocate): Handle tlsgd, tlsdesc relocs.
	Skip call tls_get_addr when tlsgd is relaxed.
	(Target_aarch64::Relocate::relocate_tls): Correct format. Add code
	handling tlsgd, tlsdesc relocs, and tls gd->le, ie->le, tlsdesc->le,
	tlsdesc->ie relaxation.

2014-09-03  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>

	* mips.cc (Target_mips_nacl): New class.
	(Target_selector_mips_nacl): New class.
	(target_selector_mips32): Rename from target_selector_mips32be and use
	Target_selector_mips_nacl instead of Target_selector_mips.
	(target_selector_mips32el): Rename from target_selector_mips32 and use
	Target_selector_mips_nacl instead of Target_selector_mips.
	(target_selector_mips64): Rename from target_selector_mips64be and use
	Target_selector_mips_nacl instead of Target_selector_mips.
	(target_selector_mips64el): Rename from target_selector_mips64 and use
	Target_selector_mips_nacl instead of Target_selector_mips.
	(Target_mips::mips_info): Add const attribute.

2014-09-02  Cary Coutant  <ccoutant@google.com>

	* dwp.cc (Sized_relobj_dwo::do_section_name): Add const attribute.
	* dynobj.h (Sized_dynobj::do_section_name): Likewise.
	* incremental.cc (Sized_relobj_incr::do_section_name): Likewise.
	(Sized_incr_dynobj::do_section_name): Likewise.
	* incremental.h (Sized_relobj_incr::do_section_name): Likewise.
	(Sized_incr_dynobj::do_section_name): Likewise.
	* object.h (Object::section_name): Likewise.
	(Object::do_section_name): Likewise.
	(Sized_relobj_file::do_section_name): Likewise.
	* plugin.cc (Sized_pluginobj::do_section_name): Likewise.
	* plugin.h (Sized_pluginobj::do_section_name): Likewise.

2014-09-02  Cary Coutant  <ccoutant@google.com>

	PR gold/17005
	* ehframe.cc (Fde::write): Add output_offset parameter.
	(Cie::write): Likewise.
	(Eh_frame::set_final_data_size): Account for offset within output
	section.
	(Eh_frame::do_sized_write): Likewise.
	* ehframe.h (Fde::write): Add output_offset parameter.
	(Cie::write): Likewise.
	* output.cc (Output_section::Input_section_sort_entry): Remove
	section_has_name_; add output_section_name parameter. Use
	output section name for non-input sections.
	(Output_section::Input_section_sort_entry::section_has_name): Remove.
	(Output_section::Input_section_sort_entry::section_has_name_): Remove.
	(Output_section::Input_section_sort_compare): Remove logic for
	sections without names.
	(Output_section::Input_section_sort_init_fini_compare): Likewise.
	(Output_section::Input_section_sort_section_prefix_special_ordering_compare):
	Likewise.
	(Output_section::Input_section_sort_section_name_compare): Likewise.

2014-08-29 Han Shen <shenhan@google.com>
	   Jing Yu <jingyu@google.com>

	* aarch64-reloc-property.cc
	(AArch64_reloc_property_table::reloc_name_in_error_message): Fix bug in
	reference reloc property in the table.
	* aarch64-reloc.def: Add TLSLE reloc types and fix some errors in
	3 other entries.
	* aarch64.cc: (Output_data_got_aarch64::add_static_reloc):
	2 new overloaded methods.
	(Output_data_got_aarch64::do_write): Add code to write out
	static relocs.
	(class Output_data_got_aarch64::Static_reloc): New class to wrap
	static relocs.
	(Output_data_got_aarch64::static_relocs): New vector to
	hold static relocs.
	(Target_aarch64::TCB_SIZE): New const static memeber.
	(Target_aarch64::tcb_size): New method.
	(Target_aarch64::Relocate::relocate): Add code handling new reloc types.
	(Target_aarch64::Relocate::relocate_tls): New method.
	(Target_aarch64::Scan::local): Add code handling new reloc types.
	(Target_aarch64::Scan::global): Add code handling new reloc types.

2014-08-13  Sriraman Tallam  <tmsriram@google.com>

	* options.h (-no-pie): Add option.

2014-08-08  Jing Yu  <jingyu@google.com>
	    Han Shen  <shenhan@google.com>

	* Makefile.am (HFILES): Add aarch64-reloc-property.h.
	(DEFFILES): add aarch64-reloc.def.
	(TARGETSOURCES): Add aarch64-reloc-property.cc.
	(ALL_TARGETOBJS): Add aarch64-reloc-property.$(OBJEXT).
	* Makefile.in: Regenerate.
	* aarch64-reloc-property.cc: New file.
	* aarch64-reloc-property.h: New file.
	* aarch64-reloc.def: New file.
	* aarch64.cc: Include aarch64-reloc-property.h. Replace spaces
	with tab to make the format consistent.
	(Output_data_got_aarch64::symbol_table_): New method.
	(Target_aarch64::do_plt_address_for_global): New method.
	(Target_aarch64::do_plt_address_for_local): New method.
	(Target_aarch64::do_select_as_default_target): New method.
	(Target_aarch64::do_make_data_plt): New method.
	(Target_aarch64::make_data_plt): New method.
	(Output_data_plt_aarch64::has_irelative_section): New method.
	(Output_data_plt_aarch64::address_for_global): New method.
	(Output_data_plt_aarch64::address_for_local): New method.
	(Output_data_plt_aarch64::irelative_rel_): New parameter.
	(Output_data_plt_aarch64::add_entry): Implement contents.
	(Output_data_plt_aarch64::set_final_data_size): Fix typo.
	(Output_data_plt_aarch64::do_write): Remove useless got_base. Set
	the got_pov entry to plt0.
	(Output_data_plt_aarch64_standard::do_fill_first_plt_entry):
	Implement contents.
	(Output_data_plt_aarch64_standard::do_fill_plt_entry): Implement.
	(AArch64_howto): New struct.
	(aarch64_howto[]): New static const array.
	(AArch64_relocate_functions): New class.
	(Target_aarch64::Scan::get_reference_flags): Remove method.
	(Target_aarch64::Scan::local): Implement to support a few relocations.
	(Target_aarch64::Scan::global): Implement to support a few relocations.
	(Target_aarch64::make_plt_section): Implement contents.
	(Target_aarch64::make_plt_entry): Implement contents.
	(Target_aarch64::do_finalize_sections): Implement contents.
	(Target_aarch64::Relocate::relocate): Implement a few relocations.
	(Target_aarch64::relocate_section): Implement contents.

2014-08-06  Alan Modra  <amodra@gmail.com>

	* testsuite/defsym_test.sh: Allow ppc64le localentry annotation.

2014-08-06  Alan Modra  <amodra@gmail.com>

	PR 13227
	* symtab.cc (Symbol_table::add_from_relobj): Warn on __gnu_lto_slim.

2014-07-21  Sriraman Tallam  <tmsriram@google.com>

	* object.cc (Relobj::is_section_name_included): Add
	".rodata.nptl_version" to not garbage collect this section.

2014-07-08  Cary Coutant  <ccoutant@google.com>

	* expression.cc (struct Expression::Expression_eval_info): Add
	new fields type_pointer, vis_pointer, and nonvis_pointer.
	(Expression::eval_maybe_dot): Add type_pointer, vis_pointer, and
	nonvis_pointer parameters. Adjust all calls.
	(Symbol_expression::value): Update type, visibility, and nonvis bits
	in caller.
	* script.cc (Symbol_assignment::sized_finalize): Update type,
	visibility, and remaining st_other bits for new symbol.
	* script.h: (Expression::eval_maybe_dot): Add type_pointer,
	vis_pointer, and nonvis_pointer parameters.
	* symtab.h (Symbol::set_type): New method.

	* testsuite/Makefile.am (defsym_test): New test.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/defsym_test.c: New file.
	* testsuite/defsym_test.sh: New file.

2014-07-08  Cary Coutant  <ccoutant@google.com>

	PR gold/15639
	* dynobj.h (Sized_dynobj::base_read_symbols): New method.
	* dynobj.cc (Sized_dynobj::do_read_symbols): Move body to...
	(Sized_dynobj::base_read_symbols): ...new method.
	* object.h (Sized_relobj_file::base_read_symbols): New method.
	* object.cc (Sized_relobj_file::do_read_symbols): Move body to...
	(Sized_relobj_file::base_read_symbols): ...new method.
	* arm.cc (Arm_relobj::do_read_symbols): Call base_read_symbols.
	* mips.cc: (Mips_relobj::do_read_symbols): Likewise.
	* powerpc.cc (Powerpc_dynobj::do_read_symbols): Likewise.

2014-07-04  Alan Modra  <amodra@gmail.com>

	* po/POTFILES.in: Regenerate.

2014-07-02  Jing Yu  <jingyu@google.com>

	* aarch64.cc: New file
	* Makefile.am (TARGETSOURCES): Add aarch64.cc
	(ALL_TARGETOBJS): Add aarch64.$(OBJEXT)
	* Makefile.in: Regenerate.
	* configure.tgt: Add entries for aarch64*.
	* configure.ac:  Likewise.
	* configure: Likewise.

2014-06-27  Alan Modra  <amodra@gmail.com>

	* symtab.cc (Symbol::should_add_dynsym_entry): Don't make inline.

2014-06-24  Cary Coutant  <ccoutant@google.com>

	* dwp.cc (Dwo_file::read): Allow files with no .debug_types
	sections.
	(Dwo_file::sized_read_unit_index): Likewise.

2014-06-23  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>

	* mips.cc: New file.
	* Makefile.am (TARGETSOURCES): Add mips.cc
	(ALL_TARGETOBJS): Add mips.$(OBJEXT)
	* configure.tgt: Add entries for mips*.
	* configure.ac: Likewise.
	* Makefile.in: Regenerate.
	* configure: Likewise.

2014-06-09  Cary Coutant  <ccoutant@google.com>

	* dwarf_reader.cc (Dwarf_pubnames_table::read_header): Check that
	unit_length is within section bounds.

2014-06-09  Cary Coutant  <ccoutant@google.com>

	PR gold/16980
	* layout.cc (Layout::print_to_mapfile): Print unattached sections in
	map.

2014-06-07  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (relocate): Treat field of cmpli insn as a bitfield.

2014-06-06  Cary Coutant  <ccoutant@google.com>

	* dwarf_reader.h (Dwarf_pubnames_table): Remove output_section_offset_.
	* dwarf_reader.cc (Dwarf_pubnames_table::read_section): Likewise.
	(Dwarf_pubnames_table::read_header): Likewise.
	* layout.cc (gdb_fast_lookup_sections): Add .debug_gnu_pubnames and
	.debug_gnu_pubtypes.

2014-06-05  Joel Brobecker  <brobecker@adacore.com>

	* Makefile.am (CONFIG_STATUS_DEPENDENCIES): New.
	* Makefile.in, configure: Regenerate.

2014-06-03  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (addis_12_2): Define.
	(Stub_table::do_write): Support fusion on ELFv2 stubs.

2014-06-03  Alan Modra  <amodra@gmail.com>

	* testsuite/plugin_test.c (parse_readelf_line): Skip non-visibility
	st_other output.

2014-06-02  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Target_powerpc::local_reloc_may_be_function_pointer):
	Only ignore relocs on ELFv1.
	(Target_powerpc::global_reloc_may_be_function_pointer): Likewise.

2014-05-30  Cary Coutant  <ccoutant@google.com>

	* testsuite/Makefile.am (ehdr_start_test_4): Fix typo in -B option.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/ehdr_start_test_4.sh: Look for "U" instead of "w".

2014-05-27  H.J. Lu  <hongjiu.lu@intel.com>

	PR gold/16945
	* x86_64.cc (Target_x86_64::Relocate::relocate): Use signed int
	for got_offset.  Properly get GOT address for R_X86_64_PLTOFF64.

2014-05-15  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (do_plt_fde_location): Handle zero length .glink.
	Compare FDE contents with DW_CFA_nop rather than 0.

2014-05-13  Sriraman Tallam  <tmsriram@google.com>

	* symtab.h (may_need_copy_reloc): Remove check for position independent
	code.
	* x86_64.cc (Target_x86_64<size>::Scan::global): Add check for no
	position independence before pc absolute may_need_copy_reloc call.
	Add check for executable output befor pc relative may_need_copy_reloc
	call.
	* i386.cc: Ditto.
	* arm.cc: Ditto.
	* sparc.cc: Ditto.
	* tilegx.cc: Ditto.
	* powerpc.cc: Add check for no position independence before
	may_need_copy_reloc calls.
	* testsuite/pie_copyrelocs_test.cc: New file.
	* testsuite/pie_copyrelocs_shared_test.cc: New file.
	* Makefile.am (pie_copyrelocs_test): New test.
	* Makefile.in: Regenerate.

2014-05-08  Martin Liška  <mliska@suse.cz>

	* output.cc (Sized_relobj_file::do_layout): Fix typo in info message.

2014-05-06  Cary Coutant  <ccoutant@google.com>

	PR gold/16900
	* i386.cc (Output_data_got_plt_i386): New class.
	(Output_data_plt_i386::Output_data_plt_i386): Change type of got_plt
	parameter. Change all callers.
	(Output_data_plt_i386::layout_): Remove.
	(Output_data_plt_i386::got_plt_): Change type.
	(Target_i386::got_plt_): Change type. Change all references.
	(Target_i386::got_section): Create instance of new class.
	(Output_data_got_plt_i386::do_write): New function.
	* x86_64.cc (Output_data_got_plt_x86_64): New class.
	(Output_data_plt_x86_64::Output_data_plt_x86_64): Change type of got_plt
	parameter. Change all callers.
	(Output_data_plt_x86_64::layout_): Remove.
	(Output_data_plt_x86_64::got_plt_): Change type.
	(Target_x86_64::got_plt_): Change type. Change all references.
	(Target_x86_64::got_section): Create instance of new class.
	(Output_data_got_plt_x86_64::do_write): New function.
	(Output_data_plt_x86_64::do_write): Don't write reserved words in GOT.
	(Target_x86_64<size>::init_got_plt_for_update): Create instance of new
	class.

2014-05-05  Cary Coutant  <ccoutant@google.com>

	* gdb-index.cc (Gdb_index_info_reader): Don't complain about language
	if we have pubnames/pubtypes.

2014-05-02  Cary Coutant  <ccoutant@google.com>

	* defstd.cc (in_segment): Define __ehdr_start here...
	* layout.cc (Layout::finalize): ...Instead of here.  Set the
	output segment when known.
	* resolve.cc (Symbol::override_base_with_special): Remember
	the original binding.
	* symtab.cc (Symbol::set_output_segment): New function.
	(Symbol::set_undefined): New function.
	* symtab.h (Symbol::is_weak_undefined): Check original undef
	binding.
	(Symbol::is_strong_undefined): New function.
	(Symbol::set_output_segment): New function.
	(Symbol::set_undefined): New function.
	* target-reloc.h (is_strong_undefined): Remove.
	(issue_undefined_symbol_error): Call Symbol::is_weak_undefined.
	Check for hidden undefs.
	(relocate_section): Call Symbol::is_strong_undefined.

	* testsuite/Makefile.am (ehdr_start_test_1)
	(ehdr_start_test_2, ehdr_start_test_3)
	(ehdr_start_test_4, ehdr_start_test_5): New test cases.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/ehdr_start_def.cc: New source file.
	* testsuite/ehdr_start_test.cc: New source file.
	* testsuite/ehdr_start_test.t: New linker script.
	* testsuite/ehdr_start_test_4.sh: New shell script.

2014-04-23  Cary Coutant  <ccoutant@google.com>

	PR gold/16870
	* x86_64.cc (Target_x86_64::Relocate::relocate): Add missing break.

2014-04-15  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>

	* layout.cc (Layout::include_section): Allow a target to decide
	whether to include a section.
	* target.h (Target::should_include_section): New function.
	(Target::do_should_include_section): New function.

2014-04-15  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>

	* copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Remove and
	inline into ...
	(Copy_relocs::emit): ... here.
	* copy-relocs.h (Copy_reloc_entry): Change from class to struct.
	(Copy_reloc_entry::make_copy_reloc): Change from private to protected.
	(Copy_reloc_entry::entries_): Change from private to protected.

2014-04-02  Sriraman Tallam  <tmsriram@google.com>

	* icf.cc (get_section_contents): Replace copies of reloc
	vectors with const references.

2014-04-02  Cary Coutant  <ccoutant@google.com>

	* configure.ac (HAVE_PUBNAMES): Use C instead of C++.
	(HAVE_NO_USE_LINKER_PLUGIN): Check for -fno-use-linker-plugin.
	* configure: Regenerate.
	* testsuite/Makefile.am (OPT_NO_PLUGINS): New macro for
	-fno-use-linker-plugin.
	(LINK1, CXXLINK1): Add it to the link command.
	* testsuite/Makefile.in: Regenerate.

2014-03-12  Alan Modra  <amodra@gmail.com>

	* Makefile.in: Regenerate.

2014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>

	* symtab.h (Symbol::set_nonvis): New function.

2014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>

	* symtab.cc (Sized_symbol<32>::init_output_data):
	Instantiate the template.
	(Sized_symbol<64>::init_output_data): Likewise.

2014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>

	* symtab.cc (Symbol_table::sized_write_globals): Allow a target to
	adjust dynamic symbol value.
	* target.h (Target::adjust_dyn_symbol): New function.
	(Target::do_adjust_dyn_symbol): New function.

2014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>

	* output.cc (Output_data_dynamic::Dynamic_entry::write):
	Get the value of DYNAMIC_CUSTOM dynamic entry.
	* output.h (Output_data_dynamic::add_custom): New function.
	(Dynamic_entry::Dynamic_entry): New constructor for DYNAMIC_CUSTOM
	dynamic entry.
	(enum Dynamic_entry::Classification): Add DYNAMIC_CUSTOM.
	* target.h (Target::dynamic_tag_custom_value): New function.
	(Target::do_dynamic_tag_custom_value): New function.

2014-03-10  Sasa Stankovic  <Sasa.Stankovic@imgtec.com>

	* symtab.cc (Symbol_table::set_dynsym_indexes): Allow a target to set
	dynsym indexes.
	* target.h (Target::has_custom_set_dynsym_indexes): New function.
	(Target::do_has_custom_set_dynsym_indexes): New function.
	(Target::set_dynsym_indexes): New function.
	(Target::do_set_dynsym_indexes): New function.

2014-03-07  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Powerpc_relocate_functions::Overflow_check): Add
	CHECK_UNSIGNED, CHECK_LOW_INSN, CHECK_HIGH_INSN.
	(Powerpc_relocate_functions::has_overflow_unsigned): New function.
	(Powerpc_relocate_functions::has_overflow_bitfield,
	overflowed): Use the above.
	(Target_powerpc::Relocate::relocate): Correct overflow checking
	for a number of relocations.  Modify overflow test for 16-bit
	fields in instructions to signed/unsigned according to whether
	the field takes a signed or unsigned value.

2014-03-05  Alan Modra  <amodra@gmail.com>

	Update copyright years.

2014-03-05  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Target_powerpc::Scan::local, global): Support
	R_PPC64_ADDR64_LOCAL.
	(Target_powerpc::Relocate::relocate): Likewise.

2014-03-03  Alan Modra  <amodra@gmail.com>

	* dwp.cc (print_version): Update copyright year to current.

2014-02-10  Alan Modra  <amodra@gmail.com>

	* po/gold.pot: Regenerate.

2014-02-06  Cary Coutant  <ccoutant@google.com>

	Fix problem where -u is ignored when a weak undef is seen.

	* archive.cc (Library_base::should_include_member): Reorder
	code to check for -u option if a weak undef has already been seen.
	* testsuite/Makefile.am (weak_undef_test_2): New test case.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/weak_undef_file3.cc: New file.
	* testsuite/weak_undef_file4.cc: New file.
	* testsuite/weak_undef_test_2.cc: New file.

2014-02-05  Cary Coutant  <ccoutant@google.com>

	Fix issues with gold undefined symbol diagnostics.

	PR binutils/15435
	* errors.cc (Errors::undefined_symbol): Move undef vtable symbol
	check to here.
	* target-reloc.h (is_strong_undefined): New function.
	(relocate_section): Move undef vtable symbol check from here.
	Check for is_strong_undefined.

2014-02-05  Cary Coutant  <ccoutant@google.com>

	Fix problems with the --dynamic-list option.

	PR gold/13577
	* options.cc (General_options::parse_dynamic_list):
	Set have_dynamic_list_.
	(General_options::General_options): Initialize have_dynamic_list_.
	(General_options::finalize): Turn off -Bsymbolic and
	-Bsymbolic-functions if --dynamic-list provided.
	* options.h (General_options::have_dynamic_list): New function.
	(General_options::have_dynamic_list_): New data member.
	* symtab.h (Symbol::is_preemptible): Handle --dynamic-list
	correctly.

	PR gold/16530
	* symtab.cc (Symbol_table::add_from_relobj): If symbol is named
	in --dynamic-list, mark it.

	* testsuite/Makefile.am (gc_dynamic_list_test.sh): New test case.
	(dynamic_list_2): New test case.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/dynamic_list_2.cc: New file.
	* testsuite/dynamic_list_2.t: New file.
	* testsuite/dynamic_list_lib1.cc: New file.
	* testsuite/dynamic_list_lib2.cc: New file.
	* testsuite/gc_dynamic_list_test.c: New file.
	* testsuite/gc_dynamic_list_test.sh: New file.
	* testsuite/gc_dynamic_list_test.t: New file.

2014-01-28  Cary Coutant  <ccoutant@google.com>

	Add .gdb_index version 7 support.

	* gold/dwarf_reader.cc: include <utility> (for make_pair).
	(Dwarf_abbrev_table::do_read_abbrevs): Check for compressed
	debug sections.
	(Dwarf_ranges_table::read_ranges_table): Likewise.
	(Dwarf_pubnames_table::read_section): Check for GNU-style
	sections, and for compressed debug sections.
	(Dwarf_pubnames_table::read_header): Compute end address of table.
	(Dwarf_pubnames_table::next_name): Return flag_byte.  Check
	for end of list by offset, not by offset == 0.
	(Dwarf_info_reader::do_read_string_table): Check for compressed
	debug sections.
	* gold/dwarf_reader.h (Dwarf_pubnames_table::Dwarf_pubnames_table):
	Initialize new data members.
	(Dwarf_pubnames_table::next_name): return flag_byte.
	(Dwarf_pubnames_table::end_of_table_): New data member.
	(Dwarf_pubnames_table::is_gnu_style_): New data member.
	* gold/gdb-index.cc (gdb_index_version): Update to version 7.
	(Gdb_index_info_reader::read_pubtable): Read flag_byte.
	(Gdb_index_info_reader::read_pubnames_and_pubtypes): Don't
	read skeleton type unit DIEs.
	(Gdb_index::add_symbol): Add flag_byte; adjust all callers.
	(Gdb_index::do_write): Write flag_byte.
	* gold/gdb-index.h (Gdb_index::add_symbol): Add flags parameter.
	(Gdb_index::Cu_vector): Store flags along with cu indexes.
	* gold/testsuite/gdb_index_test_3.sh: Allow versions 4-7.
	* gold/testsuite/gdb_index_test_comm.sh: Likewise.

2014-01-08  H.J. Lu  <hongjiu.lu@intel.com>

	* version.cc (print_version): Update copyright year to 2014.

2013-12-19  Dimitry Andric  <dimitry@andric.com>

	* stringpool.cc (Stringpool_template::reserve): Add
	HAVE_UNORDERED_MAP case.
	* stringpool.cc (Stringpool_template::print_stats): Likewise.

2013-12-18  Cary Coutant  <ccoutant@google.com>

	* configure.ac: Check for <unordered_set> and <unordered_map>.
	* config.in: Regenerate.
	* configure: Regenerate.
	* system.h: Use <unordered_set> and <unordered_map> if available.

2013-12-10  Roland McGrath  <mcgrathr@google.com>

	* Makefile.am (install-exec-local): Prefix $(INSTALL_PROGRAM) uses
	with $(INSTALL_PROGRAM_ENV).
	* Makefile.in: Regenerate.

2013-11-22  Cary Coutant  <ccoutant@google.com>

	* configure.ac: Add check for which library is needed for
	dlopen.
	* configure: Regenerate.

2013-11-22  Cary Coutant  <ccoutant@google.com>

	* testsuite/Makefile.am (exception_x86_64_bnd_test): Use in-tree
	assembler.
	* testsuite/Makefile.in: Regenerate.

2013-11-17  H.J. Lu  <hongjiu.lu@intel.com>

	* x86_64.cc (Target_x86_64<size>::Scan::get_reference_flags):
	Handle R_X86_64_PC32_BND and R_X86_64_PLT32_BND just like
	R_X86_64_PC32 and R_X86_64_PLT32, respectively.
	(Target_x86_64<size>::Scan::local): Likewise.
	(Target_x86_64<size>::Scan::global): Likewise.
	(Target_x86_64<size>::Relocate::relocate): Likewise.
	(Target_x86_64<size>::Relocatable_size_for_reloc::get_size_for_reloc):
	Likewise.
	(Target_x86_64<size>::Scan::check_non_pic(): Handle
	R_X86_64_PC32_BND.

	* testsuite/Makefile.am (check_PROGRAMS): Add
	exception_x86_64_bnd_test.
	(exception_x86_64_bnd_test_SOURCES): New macro.
	(exception_x86_64_bnd_test_DEPENDENCIES): Likewise.
	(exception_x86_64_bnd_test_LDFLAGS): Likewise.
	(exception_x86_64_bnd_test_LDADD): Likewise.
	(exception_x86_64_bnd_1.o): New rule.
	(exception_x86_64_bnd_2.o): Likewise.
	* testsuite/Makefile.in: Regenerated.

2013-11-15  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Target_powerpc::glink_section): Provide non-const
	accessor.
	(Target_powerpc::Branch_info::make_stub): Make global entry stubs.
	Only call ppc64_local_entry_offset for 64-bit.  Restrict
	symval_for_branch lookup to ELFv1.
	(Stub_table::add_plt_call_entry): Use unsigned int off.
	(Output_data_glink::Address, invalid_address): New.
	(Output_data_glink::add_eh_frame): Move out of line.  Add
	support for ELFv2.
	(Output_data_glink::add_global_entry, find_global_entry,
	global_entry_address): New functions.
	(Output_data_glink::global_entry_stubs_, end_branch_table_,
	ge_size): New variables.
	(Output_data_glink::set_final_data_size): Add global entry
	stub sizing.
	(Output_data_glink::do_write): Write global entry stubs.
	(Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Add target
	parameter.  Return true for ELFv2.  Adjust callers.
	(Target_powerpc::Scan::local, global): Restrict opd lookup to
	ELFv1.  Similarly for ifunc and dynamic relocation processing
	specific to ELFv1.  Recognize that symbols are defined on
	their plt entries for ELFv2.
	(Target_powerpc::symval_for_branch): Assert if called for
	ELFv2 or ppc32.
	(Target_powerpc::Relocate::relocate): Use global entry plt
	stub for symbol value if such exists on ELFv2.
	(Target_powerpc::Relocate::relocate): Don't call
	symval_for_branch when ELFv2.  Do adjust for local entry
	offset when ELFv2.
	(Target_powerpc::do_dynsym_value): Set symbols to global entry
	plt stub for ELFv2.
	(Target_powerpc::do_plt_address_for_global): Similarly.

2013-11-14  Cary Coutant  <ccoutant@google.com>

	Revert patch -- this did not fix the problem, and there is
	no race there.

	2013-11-14  Cary Coutant  <ccoutant@google.com>

	    PR gold/14860
	    * ehframe.cc (Eh_frame_hdr::Eh_frame_hdr): Initialize lock_.
	    (Ehframe_hdr::set_final_data_size): Allocate a Lock.
	    * ehframe.h (Eh_frame_hdr::record_fde): Hold the lock while
	    updating fde_offsets_.
	    (Eh_frame_hdr::lock_): New data member.

2013-11-14  Cary Coutant  <ccoutant@google.com>

	* dwp.cc (Dwo_file_entry): New type.
	(File_list): Use Dwo_file_entry.
	(Dwo_file::verify): New function.
	(Dwo_file::verify_dwo_list): New function.
	(Dwo_file::sized_verify_dwo_list): New function.
	(Dwo_name_info_reader::visit_compilation_unit): Add dwo_id to file
	list.
	(Dwp_options): New enum type.
	(dwp_options): Add --verify-only.
	(usage): Likewise.
	(main): Likewise.
	* dwp.h (gold_info): Add declaration.

2013-11-14  Cary Coutant  <ccoutant@google.com>

	PR gold/14860
	* ehframe.cc (Eh_frame_hdr::Eh_frame_hdr): Initialize lock_.
	(Ehframe_hdr::set_final_data_size): Allocate a Lock.
	* ehframe.h (Eh_frame_hdr::record_fde): Hold the lock while
	updating fde_offsets_.
	(Eh_frame_hdr::lock_): New data member.

2013-11-06  Cary Coutant  <ccoutant@google.com>

	PR gold/15758
	* object.cc (Sized_relobj_file::do_layout): Handle .eh_frame sections
	before reloc sections.

2013-11-04  Alan Modra  <amodra@gmail.com>

	* symtab.h (Symbol::Reference_flags): Add FUNC_DESC_ABI.
	(Symbol::needs_dynamic_reloc): Test new flag.
	* powerpc.cc (needs_dynamic_reloc, use_plt_offset): Delete.
	(Target_powerpc::Scan::get_reference_flags): Add target param.
	Return FUNC_DESC_ABI for 64-bit ELFv1.
	(Target_powerpc::Branch_info::make_stub): Adjust get_reference_flags
	call.
	(Target_powerpc::Scan::global): Use Symbol::needs_dynamic_reloc.
	(Target_powerpc::Relocate::relocate): Use Symbol::use_plt_offset.

2013-10-31  Cary Coutant  <ccoutant@google.com>

	Restore support for dwp v2 DWARF package file format.

	* dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add
	tu_length parameter.  Adjust all callers.
	* dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise.
	* dwp.cc: Include dwarf.h.
	(Section_bounds): New struct type.
	(Unit_set): New struct type.
	(Dwo_file::Dwo_file): Initialize new data member.
	(Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index):
	Combine and rename to...
	(Dwo_file::read_unit_index): ...this.
	(Dwo_file::sized_read_compunit_index)
	(Dwo_file::sized_read_typeunit_index): Combine and rename to...
	(Dwo_file::sized_read_unit_index): ...this.
	(Dwo_file::copy_section): Remove section_name, is_str_offsets
	parameters; add section_id parameter.
	(Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to...
	(Dwo_file::add_unit_set): ...this.
	(Dwo_file::shndx_map_): Remove.
	(Dwo_file::sect_offsets_): New data member.
	(Dwp_output_file::Dwp_output_file): Initialize new data members.
	(Dwp_output_file::add_section): Rename to...
	(Dwp_output_file::add_contribution): ...this.
	(Dwp_output_file::add_cu_set): Combine parameters into a struct.
	(Dwp_output_file::add_tu_set): Likewise.
	(Dwp_output_file::Contribution): New type.
	(Dwp_output_file::Section::contributions): New data member.
	(Dwp_output_file::Cu_or_tu_set): Remove.
	(Dwp_output_file::Section::Section): New ctor.
	(Dwp_output_file::Dwp_index::Shndx_pool): Remove.
	(Dwp_output_file::Dwp_index::Section_table): New type.
	(Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members.
	(Dwp_output_file::Dwp_index::enter_set): Change type of "set"
	parameter.
	(Dwp_output_file::Dwp_index::shndx_pool): Remove.
	(Dwp_output_file::Dwp_index::shndx_pool_end): Remove.
	(Dwp_output_file::Dwp_index::section_table): New member function.
	(Dwp_output_file::Dwp_index::section_table_end): New member function.
	(Dwp_output_file::Dwp_index::shndx_pool_size): Remove.
	(Dwp_output_file::Dwp_index::section_table_rows): New member function.
	(Dwp_output_file::Dwp_index::section_table_cols): New member function.
	(Dwp_output_file::Dwp_index::shndx_pool_): Remove.
	(Dwp_output_file::Dwp_index::section_table_): New data member.
	(Dwp_output_file::Dwp_index::section_mask_): New data member.
	(Dwp_output_file::add_output_section): New member function.
	(Dwp_output_file::write_new_section): New member function.
	(Dwp_output_file::write_contributions): New member function.
	(Dwp_output_file::section_id_map_): New data member.
	(class Dwo_id_info_reader): Remove.
	(class Unit_reader): New class.
	(get_dwarf_section_name): New function.
	(Dwo_file::read_executable): Adjust initializations of class data.
	(Dwo_file::read): Add support for v2 package file format.
	(Dwo_file::read_unit_index): Likewise.
	(Dwo_file::sized_read_unit_index): Likewise.
	(Dwo_file::copy_section): Likewise.
	(Dwo_file::add_unit_set): Likewise.
	(Dwp_output_file::add_output_section): Likewise.
	(Dwp_output_file::add_contribution): Likewise.
	(Dwp_output_file::Dwp_index::find_or_add): Use row index to check
	for empty slot.
	(Dwp_output_file::Dwp_index::enter_set): Add support for v2 package
	file format.
	(Dwp_output_file::Dwp_index::grow): Use row index to check for empty
	slot.
	(Dwp_output_file::initialize): Remove unused function.
	(Dwp_output_file::finalize): Add support for v2 package file format.
	(Dwp_output_file::write_index): Likewise.
	* gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust
	function prototype.

2013-10-31  Cary Coutant  <ccoutant@google.com>

	* configure.ac: Fix check for -fmerge-constants.
	* configure.ac: Regenerate.

2013-10-30  Roland McGrath  <mcgrathr@google.com>

	* x86_64.cc (Output_data_plt_x86_64_nacl::first_plt_entry):
	Correct 9-byte nop sequence to match what the assembler generates.

2013-10-30  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Powerpc_relobj::abiversion, set_abiversion,
	ppc64_local_entry_offset, ppc64_local_entry_offset,
	do_read_symbols): New functions.
	(Powerpc_relobj::e_flags_, st_other_): New vars.
	(Powerpc_relobj::Powerpc_relobj): Call set_abiversion.
	(Powerpc_dynobj::abiversion, set_abiversion): New functions.
	(Powerpc_relobj::e_flags_): New var.
	(Target_powerpc::first_plt_entry_offset, plt_entry_size): Inline
	and adjust for ELFv2.
	(Target_powerpc::abiversion, set_abiversion, stk_toc): New functions.
	(Powerpc_relobj::do_find_special_sections): Check no .opd in ELFv2.
	(Powerpc_dynobj::do_find_special_sections): Likewise.
	(Target_powerpc::do_define_standard_symbols): Define ".TOC.".
	(Target_powerpc::Branch_info::make_stub): Adjust stub destination
	to ELFv2 local entry.
	(Target_powerpc::do_relax): No thread safe barriers needed for
	ELFv2.
	(Output_data_plt_powerpc::initial_plt_entry_size_,
	plt_entry_size): Delete.  Replace all uses with
	first_plt_entry_offset() and plt_entry_size().
	(Output_data_plt_powerpc::Output_data_plt_powerpc): Remove
	reserved_size parm.  Update callers.
	(Output_data_plt_powerpc::entry_count): Update.
	(Output_data_plt_powerpc::first_plt_entry_offset): Make private
	and use Target_powerpc::first_plt_entry_offset().
	(Output_data_plt_powerpc::get_plt_entry_size): Similarly and
	rename to plt_entry_size.
	(Output_data_plt_powerpc::add_ifunc_entry,
	add_local_ifunc_entry): Adjust reloc for ELFv2.
	(glink_eh_frame_fde_64): Rename to glink_eh_frame_fde_64v1.
	(glink_eh_frame_fde_64v2): New.
	(Stub_table::plt_call_size): Support ELFv2 sizing.
	(Output_data_glink::add_eh_frame): Use the new FDE.
	(Output_data_glink::set_final_data_size): Adjust for ELFv2 glink.
	(Stub_table::do_write): Write ELFv2 stubs and glink.
	(Target_powerpc::Relocate::relocate): Replaces nop after call
	with ld 2,24(1) and adjust local offset destination for ELFv2.

2013-10-30  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Target_powerpc::Scan::check_non_pic): Handle new relocs.
	(Target_powerpc::Scan::global, local): Likewise.
	(Target_powerpc::Relocate::relocate): Likewise.  Check for overflow
	on all ppc64 @h and @ha relocs.

2013-10-14  Alan Modra  <amodra@gmail.com>

	* output.h (Output_data_got::add_constant): Tidy.
	(Output_data_got::add_constant_pair): New function.
	* powerpc.cc (Output_data_got_powerpc): Override all Output_data_got
	methods used so as to first call reserve_ent().

2013-10-11  Roland McGrath  <mcgrathr@google.com>

	* powerpc.cc (Output_data_got_powerpc): Remove unused methods
	add_got_entry and add_got_entry_pair.

	* configure.ac (TLS_GNU2_DIALECT): Use -Werror in test.
	(HAVE_PUBNAMES): Likewise.
	* configure: Regenerate.

	* testsuite/Makefile.am: Replace '-T foo' with '-Wl,-T,foo' throughout.
	* testsuite/Makefile.in: Regenerate.

	* target.h (Target::adjust_elf_header, Target::do_adjust_elf_header):
	Remove const from declaration.
	* target.cc (Sized_target::do_adjust_elf_header): Update definition.
	* sparc.cc (Target_sparc::do_adjust_elf_header): Likewise.
	* output.h (Output_file_header): Remove const from member target_
	and corresponding constructor argument.
	* output.cc (Output_file_header::Output_file_header): Update prototype.
	(Output_file_header::do_sized_write): Use this->target_ in place
	of parameters()->target().

	* testsuite/undef_symbol.cc (Foo::get_a): New method.

	* configure.ac (MERGE_CONSTANTS_FLAG): New check.
	* configure: Regenerate.
	* Makefile.in: Regenerate.
	* testsuite/merge_string_literals_1.c: Renamed to have .cc suffix.
	* testsuite/merge_string_literals_2.c: Likewise.
	* testsuite/Makefile.am
	(merge_string_literals_1.o, merge_string_literals_2.o): Update deps.
	(AM_CFLAGS, AM_CXXFLAGS): Use $(MERGE_CONSTANTS_FLAG) in place of
	literal -fmerge-constants.
	* testsuite/Makefile.in: Regenerate.

	* i386.cc (Target_i386): Remove unused member dynbss_.
	* arm.cc (Target_arm): Likewise.
	* powerpc.cc (Target_powerpc): Likewise.
	* sparc.cc (Target_sparc): Likewise.
	* tilegx.cc (Target_tilegx): Likewise.
	* x86_64.cc (Target_x86_64): Likewise.
	* dwarf_reader.h (Dwarf_info_reader): Remove unused members
	type_signature_, type_offset_.
	* plugin.h (Plugin_hook): Remove unused member layout_.
	* readsyms.h (Add_symbols): Remove unused members dirpath_, dirindex_,
	mapfile_.
	(Read_member): Remove unused members input_objects_, symtab_,
	mapfile_, layout_.
	(Check_library): Remove unused member symtab_.
	* archive.h (Lib_group): Remove unused member lib_.
	* archive.cc (Lib_group::Lib_group): Update initializer.
	* incremental.h	(Incremental_binary): Remove unused member target_.
	(Incremental_script_entry): Removed unused member script_.
	* layout.h (Write_symbols_task): Remove unused member input_objects_.
	* icf.h (Icf): Remove unused member num_tracked_relocs.

	* gold-threads.h (Once): Conditionalize member was_run_lock_ on
	[ENABLE_THREADS && __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4], matching
	its only use.
	* gold-threads.cc (Once::Once): Likewise conditionalize initializer.

	* archive.h: Use struct rather than class for forward declaration
	of Read_symbols_data.

2013-10-07  Cary Coutant  <ccoutant@google.com>

	PR gold/16010
	* testsuite/Makefile.am (icf_test): Fix dependencies.
	(icf_safe_test): Likewise.
	(icf_safe_so_test): Likewise.
	(large_symbol_alignment): Add empty _LDADD rule.
	* testsuite/Makefile.in: Regenerate.

2013-09-03  Pavel Chupin  <pavel.v.chupin@intel.com>

	PR gold/15927
	* x86_64.cc (Target_x86_64<size>::Scan::global): Use relative
	relocation for R_X86_64_32 on x32.

2013-08-27  Roland McGrath  <mcgrathr@google.com>

	* output.cc (Output_segment::set_section_addresses): Take new
	Target* argument.  If target->isolate_execinstr() and the segment
	is executable and starts at a target->abi_pagesize() boundary,
	pad its end out to a target->abi_pagesize() boundary with code fill.
	* output.h (Output_segment::set_section_addresses): Update decl.
	* layout.h (Layout::check_output_data_for_reset_values): Take new
	argument RELAX_OUTPUTS.
	(Layout): New member relax_output_list_.
	(Layout::add_relax_output): New method.
	* layout.cc (Layout::Layout): Update constructor.
	(Layout::reset_relax_output): New method.
	(Layout::clean_up_after_relaxation): Call it.
	(Layout::prepare_for_relaxation): Update caller.
	(Layout::set_segment_offsets): Update callers of set_section_addresses.
	Call reset_relax_output before re-processing segments for
	isolate_execinstr case.
	(Layout::write_data): Handle relax_output_list_.
	(Layout::Relaxation_debug_check::check_output_data_for_reset_values):
	Take new argument RELAX_OUTPUTS.  Assert it's an empty collection.

2013-08-23  Yuri Chornoivan  <yurchor@ukr.net>

	PR binutils/15834
	* object.h: Fix typos.

2013-08-16  Roland McGrath  <mcgrathr@google.com>

	* i386.cc (Target_i386_nacl::do_code_fill): New virtual function.
	* x86_64.cc (Target_x86_64_nacl::do_code_fill): New virtual function.

2013-08-07  Cary Coutant  <ccoutant@google.com>

	Revert support for v2 DWP files:

	2013-03-01  Cary Coutant  <ccoutant@google.com>

	    Add dwp support for v2 DWARF package file format.
	    * dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add
	    tu_length parameter.  Adjust all callers.
	    * dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise.
	    * dwp.cc: Include dwarf.h.
	    (Section_bounds): New struct type.
	    (Unit_set): New struct type.
	    (Dwo_file::Dwo_file): Initialize new data member.
	    (Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index):
	    Combine and rename to...
	    (Dwo_file::read_unit_index): ...this.
	    (Dwo_file::sized_read_compunit_index)
	    (Dwo_file::sized_read_typeunit_index): Combine and rename to...
	    (Dwo_file::sized_read_unit_index): ...this.
	    (Dwo_file::copy_section): Remove section_name, is_str_offsets
	    parameters; add section_id parameter.
	    (Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to...
	    (Dwo_file::add_unit_set): ...this.
	    (Dwo_file::shndx_map_): Remove.
	    (Dwo_file::sect_offsets_): New data member.
	    (Dwp_output_file::Dwp_output_file): Initialize new data members.
	    (Dwp_output_file::add_section): Rename to...
	    (Dwp_output_file::add_contribution): ...this.
	    (Dwp_output_file::add_cu_set): Combine parameters into a struct.
	    (Dwp_output_file::add_tu_set): Likewise.
	    (Dwp_output_file::Contribution): New type.
	    (Dwp_output_file::Section::contributions): New data member.
	    (Dwp_output_file::Cu_or_tu_set): Remove.
	    (Dwp_output_file::Section::Section): New ctor.
	    (Dwp_output_file::Dwp_index::Shndx_pool): Remove.
	    (Dwp_output_file::Dwp_index::Section_table): New type.
	    (Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members.
	    (Dwp_output_file::Dwp_index::enter_set): Change type of "set"
	    parameter.
	    (Dwp_output_file::Dwp_index::shndx_pool): Remove.
	    (Dwp_output_file::Dwp_index::shndx_pool_end): Remove.
	    (Dwp_output_file::Dwp_index::section_table): New member function.
	    (Dwp_output_file::Dwp_index::section_table_end): New member function.
	    (Dwp_output_file::Dwp_index::shndx_pool_size): Remove.
	    (Dwp_output_file::Dwp_index::section_table_rows): New member function.
	    (Dwp_output_file::Dwp_index::section_table_cols): New member function.
	    (Dwp_output_file::Dwp_index::shndx_pool_): Remove.
	    (Dwp_output_file::Dwp_index::section_table_): New data member.
	    (Dwp_output_file::Dwp_index::section_mask_): New data member.
	    (Dwp_output_file::add_output_section): New member function.
	    (Dwp_output_file::write_new_section): New member function.
	    (Dwp_output_file::write_contributions): New member function.
	    (Dwp_output_file::section_id_map_): New data member.
	    (class Dwo_id_info_reader): Remove.
	    (class Unit_reader): New class.
	    (get_dwarf_section_name): New function.
	    (Dwo_file::read_executable): Adjust initializations of class data.
	    (Dwo_file::read): Add support for v2 package file format.
	    (Dwo_file::read_unit_index): Likewise.
	    (Dwo_file::sized_read_unit_index): Likewise.
	    (Dwo_file::copy_section): Likewise.
	    (Dwo_file::add_unit_set): Likewise.
	    (Dwp_output_file::add_output_section): Likewise.
	    (Dwp_output_file::add_contribution): Likewise.
	    (Dwp_output_file::Dwp_index::find_or_add): Use row index to check
	    for empty slot.
	    (Dwp_output_file::Dwp_index::enter_set): Add support for v2 package
	    file format.
	    (Dwp_output_file::Dwp_index::grow): Use row index to check for empty
	    slot.
	    (Dwp_output_file::initialize): Remove unused function.
	    (Dwp_output_file::finalize): Add support for v2 package file format.
	    (Dwp_output_file::write_index): Likewise.
	    * gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust
	    function prototype.

2013-07-31  Cary Coutant  <ccoutant@google.com>

	* object.cc (Sized_relobj::do_output_section_address): New function.
	(Sized_relobj): Instantiate explicitly.
	* object.h (Object::output_section_address): New function.
	(Object::do_output_section_address): New function.
	(Sized_relobj::do_output_section_address): New function.
	* powerpc.cc (Target_powerpc::symval_for_branch): Use it.

2013-07-30  Cary Coutant  <ccoutant@google.com>
	    Sasa Stankovic  <Sasa.Stankovic@imgtec.com>

	* parameters.cc (Parameters::entry): Return target-specific entry
	symbol name.
	* target.h (Target::entry_symbol_name): New function.
	(Target_info::entry_symbol_name): New data member.

	* arm.cc (Target_arm::arm_info): Add entry_symbol_name.
	* i386.cc (Target_i386::i386_info): Likewise.
	(Target_i386_nacl::i386_nacl_info): Likewise.
	* sparc.cc (Target_sparc::sparc_info): Likewise.
	* tilegx.cc (Target_tilegx::tilegx_info): Likewise.
	* x86_64.cc: (Target_x86_64::x86_64_info) Likewise.
	(Target_x86_64_nacl::x86_64_nacl_info) Likewise.
	* testsuite/testfile.cc (Target_test::test_target_info): Likewise.

2013-07-22  Sterling Augustine  <saugustine@google.com>

	* dwarf_reader.cc (Dwarf_pubnames_table::read_section):
	Convert parameter shndx to local variable. Add parameters symtab
	and symtab_size.  Scan over section names.  Find relocation
	section corresponding to current section.  Create and initialize
	reloc_mapper_ and reloc_type_.
	(Dwarf_pubnames_table::read_header):  Add assertion.  Change
	unit_length to off_t.  Initialize member unit_length_.  Fill in field
	cu_offset_.
	* dwarf_reader.h (Dwarf_pubnames_table::Dwarf_pubnames_table):
	Initialize new fields unit_length_ and cu_offset_.
	(Dwarf_pubnames_table::read_section): Update prototype.
	(Dwarf_pubnames_table::cu_offset): New member function.
	(Dwarf_pubnames_table::subsection_size): Likewise.
	(Dwarf_pubnames_table::cu_offset_, Dwarf_pubnames_table::unit_length):
	New fields.
	(Dwarf_info_reader::symtab, Dwarf_info_reader::symtab_size): Make
	member functions public.
	* gdb_index.cc (Gdb_index_info_reader::read_pubnames_and_pubtypes):
	Update comment.  Rework logic.  Move repeated parts to...
	(Gdb_index_info_reader::read_pubtable): ...here. New function.
	(Gdb_index::Gdb_index): Initialize new fields, pubnames_table_,
	pubtypes_table_, and stmt_list_offset.
	(Gdb_index::map_pubtable_to_dies, Gdb_index::find_pubname_offset,
	Gdb_index::find_pubtype_offset,
	Gdb_index::map_pubnames_and_types_to_dies): Define new functions.
	(Gdb_index::pubnames_read): Update prototype and rework logic.
	* gdb_index.h (Gdb_index_info_reader, Dwarf_pubnames_table):
	Forward declare.
	(Gdb_index::map_pubtable_to_dies, Gdb_index::find_pubname_offset,
	Gdb_index::find_pubtype_offset, Gdb_index::pubnames_table)
	Gdb_index::pubtypes_table, Gdb_index::map_pubnames_and_types_to_dies,
	Gdb_index::map_pubtable_to_dies):
	Declare functions.
	(Gdb_index::pubnames_read): Update declaration.
	(Gdb_index::Pubname_offset_map): New type.
	(Gdb_index::cu_pubname_map_, Gdb_index::cu_pubtype_map_,
	Gdb_index::pubnames_table_, Gdb_index::pubtypes_table_,
	Gdb_index::stmt_list_offset): Declare.
	(Gdb_index::pubnames_shndx_, Gdb_index::pubnames_offet_,
	Gdb_index::pubtypes_object_, Gdb_index::pubtypes_shndx_)
	Gdb_index::pubtypes_offset_): Remove.

2013-07-19  Roland McGrath  <mcgrathr@google.com>

	* options.h (General_options): Add -Trodata-segment option.
	* parameters.cc (Parameters::check_rodata_segment): New function.
	(Parameters::set_target_once): Call it.
	* parameters.h (Parameters): Declare it (private member function).
	* layout.cc (load_seg_unusable_for_headers): New function, broken
	out of Layout::relaxation_loop_body.  If TARGET->isolate_execinstr()
	then validate rodata segment rather than text segment.
	(relaxation_loop_body): Call that.
	(is_text_segment): New function.  Don't admit a non-executable
	segment if TARGET->isolate_execinstr().
	(set_segment_offsets): Call it.  Honor -Trodata-segment option.

2013-07-15  Shawn Landden  <shawnlandden@gmail.com>

	PR gold/15070
	* fileread.h (File_read::get_view): Clarify comment about ALIGNED.
	* nacl.h (Sniff_file::View::View): Request aligned view.

2013-07-11  Cary Coutant  <ccoutant@google.com>

	* powerpc.cc (Target_powerpc::write_branch_lookup_table): Use
	correct BRLT entry size.

2013-07-03  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Target_powerpc::Relocate::relocate): Update self-call
	comment.

2013-07-01  Cary Coutant  <ccoutant@google.com>

	* dwarf_reader.cc (Dwarf_ranges_table::read_ranges_table): Save
	reloc_type_.
	(Dwarf_ranges_table::read_range_list): Call lookup_reloc.
	(Dwarf_ranges_table::lookup_reloc): New function.
	* dwarf_reader.h (Dwarf_ranges_table::Dwarf_ranges_table): Initialize
	reloc_type_.
	(Dwarf_ranges_table::lookup_reloc): New function.
	(Dwarf_ranges_table::reloc_type_): New data member.

2013-06-27  Jing Yu  <jingyu@google.com>

	PR gold/15662
	* powerpc.cc (Output_data_brlt_powerpc::reset_brlt_sizes): New
	function.
	(Output_data_brlt_powerpc::finalize_brlt_sizes): New function.
	(Target_powerpc::do_relax): Call the above.

2013-06-27  Cary Coutant  <ccoutant@google.com>

	* powerpc.cc (Target_powerpc::symval_for_branch): Don't assert
	on garbage collected .opd section.

2013-06-27  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Target_powerpc::do_gc_add_reference): Test dst_shndx
	is non-zero.
	(Target_powerpc::do_gc_mark_symbols): Likewise for sym->shndx().
	(Target_powerpc::do_function_location): Likewise for loc->shndx.

2013-06-14  Cary Coutant  <ccoutant@google.com>

	* resolve.cc (Symbol::override_base): Don't override st_type
	from plugin placeholder symbols.
	(Symbol_table::resolve): Likewise.
	(Symbol_table::should_override): Don't complain about TLS mismatch
	if the TO symbol is a plugin placeholder.
	* testsuite/Makefile.am (plugin_test_tls): New test.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/plugin_test_tls.sh: New test script.
	* testsuite/two_file_test_2_tls.cc: New test source.
	* testsuite/two_file_test_tls.cc: New test source.

2013-06-05  Alexander Ivchenko  <alexander.ivchenko@intel.com>

	* layout.cc (Layout::set_segment_offsets): Taking care of the case when
	the maximum segment alignment is larger than the page size.
	* testsuite/Makefile.am (large_symbol_alignment): Test that Gold
	correctly aligns the symbols with large alignemnt.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/large_symbol_alignment.cc: New file.

2013-05-30  Alexander Ivchenko  <alexander.ivchenko@intel.com>
	    Sriraman Tallam  <tmsriram@google.com>

	* options.h (sort_section): New option.
	* output.h (Input_section_sort_section_prefix_special_ordering_compare):
	Rename from Input_section_sort_section_name_special_ordering_compare.
	(Input_section_sort_section_name_compare): New struct.
	* output.cc (Output_section::Input_section_sort_section_name_compare::
	operator()): New function.
	(Output_section::sort_attached_input_sections): Use new sort function
	for .text if --sort-section=name is specified.
	* layout.cc (Layout::make_output_section):
	Add sorting by name when --sort-section=name is specified.
	* testsuite/Makefile.am (text_section_grouping): Test option
	--sort-section=name.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/section_sorting_name.cc: New file.
	* testsuite/section_sorting_name.sh: New file.

2013-05-21  Cary Coutant  <ccoutant@google.com>

	* symtab.h (Symbol::is_cxx_vtable): New function.
	* target-reloc.h (relocate_section): Check for vtable symbol.
	* testsuite/Makefile.am (missing_key_func.sh): New test case.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/missing_key_func.cc: New test source.
	* testsuite/missing_key_func.sh: New test script.

2013-05-21  Cary Coutant  <ccoutant@google.com>

	* object.cc (Sized_relobj_file::get_symbol_location_info): Set
	type of enclosing symbol.
	(Relocate_info::location): Check symbol type when describing symbol.
	* object.h (Symbol_location_info): Remove unused line_number;
	add enclosing_symbol_type.
	* testsuite/debug_msg.sh: Adjust expected output.

2013-05-13  Cary Coutant  <ccoutant@google.com>

	* configure.ac: Export DEFAULT_TARGET.
	* configure: Regenerate.
	* Makefile.in: Regenerate.
	* testsuite/Makefile.am: Add .EXPORT_ALL_VARIABLES.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/debug_msg.sh: Delete duplicate tests.
	Don't check undef_int error message match for powerpc where the
	source file and line number aren't available.

2013-05-10  Roland McGrath  <mcgrathr@google.com>

	* options.h (General_options): Add --rosegment-gap option.
	* options.cc (finalize): --rosegment-gap implies --rosegment.
	* layout.cc (set_segment_offsets): Let user option override
	target->rosegment_gap().

2013-05-10  Roland McGrath  <mcgrathr@google.com>

	* options.h (General_options): Remove leading space from help
	messages for -nostdlib and --rosegment.

2013-05-03  Maciej W. Rozycki  <macro@codesourcery.com>

	PR ld/15365
	* layout.cc (Layout::finalize): Make __ehdr_start STV_HIDDEN.

2013-05-03  Alan Modra  <amodra@gmail.com>

	* merge.cc (Output_merge_string::do_add_input_section): Correct
	scan for number of strings.  Rename vars to avoid shadowing.
	Include missing terminator in input_size_.

2013-05-01  H.J. Lu  <hongjiu.lu@intel.com>

	* merge.cc (Output_merge_string<Char_type>::do_add_input_section):
	Restore empty string handling.

2013-05-01  Cary Coutant  <ccoutant@google.com>

	* stringpool.cc (Stringpool_template::new_key_offset): Fix
	uninitialized warning.

2013-04-29  Alexander Ivchenko  <alexander.ivchenko@intel.com>

	* output.cc (Output_section::add_merge_input_section): Allow
	to merge sections if the alignment is more than character size.
	* merge.h (Output_merge_string::Output_merge_string): Remove
	assert.
	* merge.cc (Output_merge_string<Char_type>::do_add_input_section): Count
	only not-null strings. Check the alignment of strings.
	* stringpool.h
	(Stringpool_template<Stringpool_char>::Stringpool_template): Add
	alignment as the argument.
	(Stringpool_template<Stringpool_char>::addralign_): New class member.
	* stringpool.cc (Stringpool_template<Stringpool_char>::new_key_offset):
	Align non-zero length strings according to the addralign_.
	(Stringpool_template<Stringpool_char>::set_string_offsets):
	Updating offsets according to the given alignment.
	* testsuite/Makefile.am (text_section_grouping): Test if string
	literals are getting merged.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/merge_string_literals_1.c: New file.
	* testsuite/merge_string_literals_2.c: Ditto.
	* testsuite/merge_string_literals.sh: Ditto.

2013-04-26  Ian Lance Taylor  <iant@google.com>

	* target-reloc.h (relocate_section): If the reloc offset is out of
	range, pass VIEW as NULL to relocate.relocate.
	* arm.cc (Target_arm:Relocate::relocate): Check for a NULL view.
	* i386.cc (Target_i386::Relocate::relocate): Likewise.
	* powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
	* sparc.cc (Target_sparc::Relocate::relocate): Likewise.
	* tilegx.cc (Target_tilegx::Relocate::relocate): Likewise.
	* x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.

2013-04-26  Geoff Pike  <gpike@chromium.org>

	* gold.cc (queue_final_tasks): invoke layout->queue_build_id_tasks().
	* layout.cc (Hash_task): New class.
	(Layout::queue_build_id_tasks): New function.
	(Layout::write_build_id): Handle single-thread portion of build ID
	computation.  (In some cases, all of it is single-threaded.)  Replace
	{sha1,md5}_process_bytes with {sha1,md5}_buffer to get the same
	functionality in fewer lines of code.
	* layout.h (Layout::queue_build_id_tasks): New function declaration.
	* options.h (General_options): make "--build-id" default to tree
	rather than sha1.  Add two new options related to --build-id=tree:
	--build-id-chunk-size-for-treehash and
	--build-id-min-file-size-for-treehash.
	* Makefile.am: add testing of --build-id=tree and related new options
	(these tests will be invoked by "make check").
	* Makefile.in: Regenerate.

2013-04-25  Alan Modra  <amodra@gmail.com>

	* configure.tgt: Add powerpcle and powerpc64le.

2013-04-22  Alan Modra  <amodra@gmail.com>

	PR gold/15355
	* layout.cc (Layout::segment_precedes): Allow more than one
	segment with the same type and flags.

2013-04-15  Cary Coutant  <ccoutant@google.com>

	* layout.cc (Layout::set_relocatable_section_offsets): Don't
	allocate space in file for BSS sections.

2013-04-15  Cary Coutant  <ccoutant@google.com>

	* script-sections.cc (Orphan_output_section): Reset address
	to zero after each orphaned section for relocatable links.

2013-04-15  Cary Coutant  <ccoutant@google.com>

	* symtab.cc (Symbol_table::sized_write_globals): Subtract
	section starting address for relocatable link.
	* testsuite/Makefile.am (script_test_11): New test.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/script_test_11.c: New source file.
	* testsuite/script_test_11.t: New linker script.

2013-04-13  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Stub_control::can_add_to_stub_group): Don't set
	owner when sections are not adjacent and exceed group size.
	(Target_powerpc::group_sections): Handle corner case.
	(Target_powerpc::Branch_info::make_stub): Handle case where
	stub table doesn't exist due to branches in non-exec sections.
	(Target_powerpc::Relocate::relocate): Likewise.

2013-04-11  Alan Modra  <amodra@gmail.com>

	PR gold/15354
	* powerpc.cc (Target_powerpc::make_brlt_section): Name section
	.branch_lt to match bfd ld.  Adjust comments throughout file.

2013-04-04  Ian Lance Taylor  <iant@google.com>

	GCC PR c++/56840
	* object.cc (do_layout_deferred_sections): Handle .eh_frame
	sections before checking whether they are included in the link.

2013-03-29  Sriraman Tallam  <tmsriram@google.com>

	* archive.cc (Archive::get_elf_object_for_member):  Create the elf
	object before calling the plugin claim_file handler.  Pass the elf
	object of the archive to the plugin. Delete the elf object if the
	plugin claims the file.

2013-03-21  Alan Modra  <amodra@gmail.com>

	* layout.cc (Layout::set_segment_offsets): Accept writable .text
	segment when omagic.

2013-03-21  Alan Modra  <amodra@gmail.com>

	* dwp.cc (Dwp_output_file::add_contribution): Avoid signed/unsigned
	comparison warning.
	* layout.cc (Layout::create_dynamic_symtab): Avoid "may be used
	uninitialized" warning.

2013-03-20  Alan Modra  <amodra@gmail.com>

	* symtab.h (Symbol::clear_version): New function.
	* symtab.cc (Symbol_table::set_dynsym_indexes): Don't set object
	is_needed by weak references.  Clear version for symbols defined
	in as-needed objects that are not needed.

2013-03-15  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Make
	static and public.  Add report_err param.  Return false for data refs.
	(Target_powerpc::rela_dyn_section): New overloaded function.
	(Target_powerpc::plt_, iplt_): Elucidate.
	(Output_data_plt_powerpc::entry_count): Handle current_data_size()==0.
	(Output_data_plt_powerpc::do_write): Don't write .iplt.
	(Output_data_plt_powerpc::plt_entry_count): Don't add .iplt entries.
	(Target_powerpc::Scan::local, global): Adjust reloc_needs_plt_for_ifunc
	calls.  Put ifunc dynamic relocs in irela_dyn_section.  Only
	push_branch and make_plt_entry for ifunc syms when
	reloc_needs_plt_for_ifunc.
	(Target_powerpc::Relocate::relocate): Don't use plt entry value
	for ifunc unless reloc_needs_plt_for_ifunc.

2013-03-15  Alan Modra  <amodra@gmail.com>

	* gc.h (gc_process_relocs): Don't look through function descriptors.
	* icf.cc (get_section_contents): Do so here instead.

2013-03-13  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (is_branch_reloc): Forward declare.
	(Target_powerpc::do_can_check_for_function_pointers): New predicate.
	(Target_powerpc::Scan::local_reloc_may_be_function_pointer): Return
	false for 64-bit, true for 32-bit non-branch relocs.
	(Target_powerpc::Scan::global_reloc_may_be_function_pointer): Likewise.
	* testsuite/Makefile.am (icf_test): Use linker map file instead of
	nm output.
	(icf_safe_test): Generate linker map file as well as nm output.
	(icf_safe_so_test): Likewise.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/icf_test.sh: Parse linker map file to determine
	section folding.
	* testsuite/icf_safe_test.sh: Likewise.  Expect folding for PowerPC.
	* testsuite/icf_safe_so_test.sh: Likewise.
	(X86_32_or_ARM_specific_safe_fold): Merge into..
	(arch_specific_safe_fold): ..this.
	(X86_64_specific_safe_fold): Delete unused function.

2013-03-12  Alan Modra  <amodra@gmail.com>

	* gc.h (gc_process_relocs): Look through function descriptors
	to determine shndx, symvalue and addend used by ICF.  Tidy
	variable duplication.

2013-03-11  Alan Modra  <amodra@gmail.com>

	* gold.cc (queue_middle_tasks): Move detect_odr_violations..
	* layout.cc (Layout_task_runner::run): ..to here.
	* symtab.h (struct Symbol_location): Extract from..
	(class Symbol_table): ..here.
	* symtab.cc (Symbol_table::linenos_from_loc): Invoke function_location.
	* target.h (class Target): Add function_location and
	do_function_location functions.
	(class Sized_target): Add do_function_location.
	* object.h (class Sized_relobj_file): Move find_shdr..
	(class Object): ..to here.
	* object.cc: Likewise.  Update to suit.  Instantiate.
	(Sized_relobj_file::find_eh_frame): Update find_shdr call.
	* powerpc.cc (class Powerpc_dynobj): New.
	(Target_powerpc::do_function_location): New function.
	(Powerpc_relobj::do_find_special_sections): Update find_shdr call.
	(Powerpc_dynobj::do_read_symbols): New function.
	(Target_powerpc::do_make_elf_object): Make a Powerpc_dynobj.

2013-03-08  Ian Lance Taylor  <iant@google.com>

	* options.cc (General_options::string_to_object_format): Accept
	"default".

2013-03-08  Alan Modra  <amodra@gmail.com>

	* ehframe.h (Post_fdes) Make it a vector of Post_fde rather than
	pointer to Post_fde.
	(struct Post_fde): Move definition to here..
	* ehframe.cc (struct Post_fde): ..from here.
	(Cie::write): Don't alloc Post_fde.
	(Eh_frame::do_sized_write): Update.  Don't free Post_fde.

2013-03-07  Alan Modra  <amodra@gmail.com>

	* testsuite/discard_locals_relocatable_test.c: Add a powerpc
	relocation referencing .LC0.
	* testsuite/discard_locals_test.sh: Remove FIXMEs.

2013-03-07  Alan Modra  <amodra@gmail.com>

	* testsuite/ifunc-sel.h (ifunc_sel, ifunc_one): Mark
	always_inline.  Add assembly for powerpc to avoid GOT.

2013-03-07  Alan Modra  <amodra@gmail.com>

	* testsuite/script_test_10.sh: Don't test .bss section
	header number.

2013-03-06  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (class Powerpc_relobj): Move some member functions.
	(Target_powerpc::symval_for_branch):  Add symtab param.  Update
	all callers.  Handle folded sections.
	(Target_powerpc::do_gc_add_reference): Don't cast dynamic object
	to Powerpc_relobj.
	(Global_symbol_visitor_opd::operator()): Likewise.

2013-03-04  Alan Modra  <amodra@gmail.com>

	* testsuite/Makefile.am (final_layout_script.lds): Add .sbss.
	* testsuite/Makefile.in: Regenerate.

2013-03-01  Cary Coutant  <ccoutant@google.com>

	Add dwp support for v2 DWARF package file format.
	* dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add
	tu_length parameter.  Adjust all callers.
	* dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise.
	* dwp.cc: Include dwarf.h.
	(Section_bounds): New struct type.
	(Unit_set): New struct type.
	(Dwo_file::Dwo_file): Initialize new data member.
	(Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index):
	Combine and rename to...
	(Dwo_file::read_unit_index): ...this.
	(Dwo_file::sized_read_compunit_index)
	(Dwo_file::sized_read_typeunit_index): Combine and rename to...
	(Dwo_file::sized_read_unit_index): ...this.
	(Dwo_file::copy_section): Remove section_name, is_str_offsets
	parameters; add section_id parameter.
	(Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to...
	(Dwo_file::add_unit_set): ...this.
	(Dwo_file::shndx_map_): Remove.
	(Dwo_file::sect_offsets_): New data member.
	(Dwp_output_file::Dwp_output_file): Initialize new data members.
	(Dwp_output_file::add_section): Rename to...
	(Dwp_output_file::add_contribution): ...this.
	(Dwp_output_file::add_cu_set): Combine parameters into a struct.
	(Dwp_output_file::add_tu_set): Likewise.
	(Dwp_output_file::Contribution): New type.
	(Dwp_output_file::Section::contributions): New data member.
	(Dwp_output_file::Cu_or_tu_set): Remove.
	(Dwp_output_file::Section::Section): New ctor.
	(Dwp_output_file::Dwp_index::Shndx_pool): Remove.
	(Dwp_output_file::Dwp_index::Section_table): New type.
	(Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members.
	(Dwp_output_file::Dwp_index::enter_set): Change type of "set"
	parameter.
	(Dwp_output_file::Dwp_index::shndx_pool): Remove.
	(Dwp_output_file::Dwp_index::shndx_pool_end): Remove.
	(Dwp_output_file::Dwp_index::section_table): New member function.
	(Dwp_output_file::Dwp_index::section_table_end): New member function.
	(Dwp_output_file::Dwp_index::shndx_pool_size): Remove.
	(Dwp_output_file::Dwp_index::section_table_rows): New member function.
	(Dwp_output_file::Dwp_index::section_table_cols): New member function.
	(Dwp_output_file::Dwp_index::shndx_pool_): Remove.
	(Dwp_output_file::Dwp_index::section_table_): New data member.
	(Dwp_output_file::Dwp_index::section_mask_): New data member.
	(Dwp_output_file::add_output_section): New member function.
	(Dwp_output_file::write_new_section): New member function.
	(Dwp_output_file::write_contributions): New member function.
	(Dwp_output_file::section_id_map_): New data member.
	(class Dwo_id_info_reader): Remove.
	(class Unit_reader): New class.
	(get_dwarf_section_name): New function.
	(Dwo_file::read_executable): Adjust initializations of class data.
	(Dwo_file::read): Add support for v2 package file format.
	(Dwo_file::read_unit_index): Likewise.
	(Dwo_file::sized_read_unit_index): Likewise.
	(Dwo_file::copy_section): Likewise.
	(Dwo_file::add_unit_set): Likewise.
	(Dwp_output_file::add_output_section): Likewise.
	(Dwp_output_file::add_contribution): Likewise.
	(Dwp_output_file::Dwp_index::find_or_add): Use row index to check
	for empty slot.
	(Dwp_output_file::Dwp_index::enter_set): Add support for v2 package
	file format.
	(Dwp_output_file::Dwp_index::grow): Use row index to check for empty
	slot.
	(Dwp_output_file::initialize): Remove unused function.
	(Dwp_output_file::finalize): Add support for v2 package file format.
	(Dwp_output_file::write_index): Likewise.
	* gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust
	function prototype.

2013-03-01  Cary Coutant  <ccoutant@google.com>

	* dwarf_reader.cc (Dwarf_info_reader::check_buffer): Move
	function into class definition in header file.
	(Dwarf_info_reader::warn_corrupt_debug_section): New function.
	* dwarf_reader.h (Dwarf_info_reader::warn_corrupt_debug_section):
	New function.
	(Dwarf_info_reader::check_buffer): Move here from .cc file.

2013-02-28  Alan Modra  <amodra@gmail.com>

	* target.h (Target::plt_fde_location, do_plt_fde_location): Declare.
	* target.cc (Target::do_plt_fde_location): New function.
	* ehframe.h (class FDE): Add post_map field to u_.from_linker,
	accessor function, and constructor param.
	(struct Post_fde, Post_fdes): Declare.
	(Cie::write): Add post_fdes param.
	* ehframe.cc (Fde::write): Use plt_fde_location.
	(struct Post_fde): Define.
	(Cie::write): Stash FDEs added post merge mapping.
	(Eh_frame::add_ehframe_for_plt): Assert no new CIEs after mapping.
	Adjust Fde constructor call.  Bump final_data_size_ for post map FDEs.
	(Eh_frame::do_sized_write): Arrange to write post map FDES after
	other FDEs.
	* powerpc.cc (Target_powerpc::do_plt_fde_location): New function.
	(Target_powerpc::has_glink): New function.
	(Target_powerpc::do_relax): Add eh_frame info for stubs.
	(struct Eh_cie, eh_frame_cie, glink_eh_frame_fde_64,
	glink_eh_frame_fde_32, default_fde): New data.
	(Stub_table::eh_frame_added_): New var.
	(Stub_table::find_long_branch_entry, stub_address, stub_offset):
	Make const.
	(Stub_table::add_eh_frame): New function.
	(Output_data_glink::add_eh_frame): New function.
	(Target_powerpc::make_glink_section): Call add_eh_frame.

2013-02-15  Ian Lance Taylor  <iant@google.com>

	* options.h (DEFINE_uint64_alias): Define.
	(class General_options): Add -Ttext-segment as an alias for
	-Ttext.

2013-02-15  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Stub_table::plt_off): New function, extracted from..
	(Stub_table::do_write): ..here, two places.
	(Stub_table::plt_call_size): Use it here too.

2013-02-11  Ian Lance Taylor  <iant@google.com>

	* descriptors.cc (Descriptors::close_all): New function.
	* descriptors.h (class Descriptors): Declare close_all.
	(close_all_descriptors): New inline function.
	* plugin.cc: Include "descriptors.h".
	(Plugin_manager::cleanup): Call close_all_descriptors.

2013-02-06  Alan Modra  <amodra@gmail.com>

	* README: Update coding style link.

2013-01-28  Cary Coutant  <ccoutant@google.com>

	* dwp.cc (File_list): New typedef.
	(Dwo_name_info_reader): New class.
	(Dwo_id_info_reader::Dwo_id_info_reader): Remove unused parameters.
	(Dwo_id_info_reader::visit_top_die): Remove unused member function.
	(Dwo_file::~Dwo_file): Delete input_file_ after obj_.
	(Dwo_file::read_executable): New function.
	(Dwo_file::read): Move common setup code to ...
	(Dwo_file::make_object): ... here.
	(dwp_options): Add --exec/-e.
	(usage): Likewise.
	(main): Likewise.

2013-01-24  Sriraman Tallam  <tmsriram@google.com>

	* layout.cc (Layout::layout): Check for option text_reorder.
	(Layout::make_output_section): Ditto.
	* options.h (text_reorder): New option.
	* output.cc (Input_section_sort_compare): Remove special ordering
	of section names.
	(Output_section::
	 Input_section_sort_section_name_special_ordering_compare::
	 operator()): New function.
	(Output_section::sort_attached_input_sections): Use new sort function
	for .text.
	* output.h (Input_section_sort_section_name_special_ordering_compare):
	New struct.
	* testsuite/Makefile.am (text_section_grouping): Test option
	--no-text-reorder
	* testsuite/Makefile.in: Regenerate.
	* testsuite/text_section_grouping.sh: Check order of functions without
	default text reordering.

2013-01-18  Mike Frysinger  <vapier@gentoo.org>

	* options.h (General_options): Change default to true for new_dtags.

2013-01-18  Mike Frysinger  <vapier@gentoo.org>

	* layout.cc (Layout::finish_dynamic_section): Only add DT_RPATH
	when enable_new_dtags is false.  Only add DT_RUNPATH when
	enable_new_dtags is true.

2013-01-17  Serge Pavlov  <serge.v.pavlov@gmail.com>

	* powerpc.cc (Stub_table::find_plt_call_entry): Make types
	used in declaration and definition consistent.
	(Target_powerpc::symval_for_branch): Ditto.

2013-01-16  Sriraman Tallam  <tmsriram@google.com>

	* testsuite/plugin_final_layout.cc: Fix comment.

2013-01-16  Sriraman Tallam  <tmsriram@google.com>

	* layout.cc (Layout::layout): Do not do default sorting for
	text sections when section ordering is specified.
	(make_output_section): Ditto.
	* testsuite/plugin_final_layout.cc: Name the function sections
	to catch reordering issues.

2013-01-15  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Target_powerpc::do_relax): Default shared libs to
	plt-thread-safe.

2013-01-15  Alan Modra  <amodra@gmail.com>

	* testsuite/Makefile.am (final_layout_script.lds): Handle .got section.
	* testsuite/Makefile.in: Regenerate.

2013-01-14  Alan Modra  <amodra@gmail.com>

	* testsuite/Makefile.am (MOSTLYCLEANFILES): Add various output files.
	* testsuite/Makefile.in: Regenerate.

2013-01-11  Pavel Chupin  <pavel.v.chupin@intel.com>

	PR bfd/14430
	Fix mingw gold build with plugins enabled
	* Makefile.am: Replace -ldl with @DLOPEN_LIBS@.
	* configure.ac: Export DLOPEN_LIBS and add headers check.
	* plugin.cc: Handle non-dlfcn case.
	* Makefile.in: Regenerate.
	* config.in: Regenerate.
	* configure: Regenerate.
	* testsuite/Makefile.in: Regenerate.

2013-01-09  Sriraman Tallam  <tmsriram@google.com>

	* output.h (sort_attached_input_sections): Change to be public.
	* script-sections.cc
	(Output_section_definition::set_section_addresses): Sort
	attached input sections according to section order before linker
	script assigns section addresses.
	(Orphan_output_section::set_section_addresses): Sort
	attached input sections according to section order before linker
	script assigns section addresses.
	* Makefile.am (final_layout.sh): Use a simple linker script to
	check if section ordering still works.
	* Makefile.in: Regenerate.

2013-01-09  Ben Cheng  <bccheng@google.com>

	* arm.cc (Target_arm::attributes_accept_div): New function.
	(Target_arm::attributes_forbid_div): New function.
	(Target_arm::merge_object_attributes): Merge the Tag_DIV_use
	attribute using the same new functions as what bfd/elf32_arm.c
	does.

2013-01-07  Cary Coutant  <ccoutant@google.com>

	PR gold/14993
	* output.cc (Output_section::add_input_section): For incremental
	updates, don't track input sections that are allocated from patch
	space.

2013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
	    Ian Lance Taylor  <iant@google.com>

	PR gold/14897
	* configure.ac (--enable-ld): Removed.
	(install_as_default): Set to yes only for --enable-gold=default
	or --disable-ld.
	* configure: Regenerated.

2013-01-07  H.J. Lu  <hongjiu.lu@intel.com>

	* options.h (General_options): Add -fuse-ld= for GCC linker
	option compatibility.

2013-01-04  Cary Coutant  <ccoutant@google.com>

	* configure.ac: Fix typo restoring CXXFLAGS.
	* configure: Regenerate.

2013-01-04  Cary Coutant  <ccoutant@google.com>

	* testsuite/Makefile.am (CXXLINK_S): New macro.
	(debug_msg_so.err, debug_msg_ndebug.err): Use CXXLINK_S.
	* testsuite/Makefile.in: Regenerate.

2013-01-02  H.J. Lu  <hongjiu.lu@intel.com>

	* version.cc (print_version): Update copyright year to 2013.

2012-12-20  Ian Lance Taylor  <iant@google.com>

	* layout.cc (Layout::special_ordering_of_input_section): New
	function.
	(Layout::layout): If input section requires special ordering, must
	sort input sections.
	(Layout::make_output_section): May sort .text input sections.
	(Layout::is_section_name_prefix_grouped): Remove.
	* layout.h (class Layout): Declare
	special_ordering_of_input_section.  Don't declare
	is_section_name_prefix_grouped.
	* output.cc (Output_section::add_input_section): Revert last
	change.
	(Output_section::Input_section_sort::match_file_name): Don't crash
	if called on output section data.
	(Output_section::Input_section_sort_compare): Sort based on
	special ordering.
	(Output_section::Input_section_sort_section_order_index_compare):
	Revert last patch.
	(Output_section::sort_attached_input_sections): Likewise.

2012-12-18  Sriraman Tallam  <tmsriram@google.com>

	* layout.cc (Layout::is_section_name_prefix_grouped): New function.
	* layout.h (Layout::is_section_name_prefix_grouped): New function.
	* output.cc (Output_section::add_input_section): Check if section
	name contains special prefix.  Keep input sections to sort such
	sections.
	(Output_section::Input_section_sort_section_order_index_compare
	 ::operator()): Group sections according to prefixes.
	(Output_section::sort_attached_input_sections): Add condition to
	Input_section_entry constructor call.
	* testsuite/Makefile.am (text_section_grouping): New test.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/text_section_grouping.cc: New file.
	* testsuite/text_section_grouping.sh: New file.

2012-12-17  Nick Clifton  <nickc@redhat.com>

	* Makefile.am: Add copyright notice.
	* NEWS: Likewise.
	* README: Likewise.
	* configure.ac: Likewise.
	* ftruncate.c: Likewise.
	* Makefile.in: Regenerate.

2012-12-14  Cary Coutant  <ccoutant@google.com>

	* testsuite/Makefile.am (exception_separate_shared_12_test): Add
	--no-as-needed flag.
	(exception_separate_shared_12_test): Likewise.
	(incremental_copy_test): Likewise.
	* testsuite/Makefile.in: Regenerate.

2012-12-14  Cary Coutant  <ccoutant@google.com>

	* dwp.cc (Dwp_output_file::add_cu_set): Check for duplicate CUs.
	(Dwp_output_file::Dwp_index::enter_set): Add assert.

2012-12-12  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (class Track_tls): New.
	(class Relocate, class Scan): Inherit Track_tls.
	(Target_powerpc::Scan::local, global): Track tls optimization
	and avoid creating plt entry for __tls_get_addr if all uses
	are optimized away.
	(Target_powerpc::Relocate::relocate): Update to use Track_tls.

2012-12-12  Alan Modra  <amodra@gmail.com>

	* options.h (General_options): Add --toc-sort/--no-toc-sort.
	Replace no_toc_optimize with toc_optimize.
	* output.h (Output_section::input_sections): Provide non-const variant.
	* powerpc.cc (Powerpc_relobj::has_small_toc_reloc_,
	set_has_small_toc_reloc, has_small_toc_reloc): New variable and
	accessors.
	(Target_powerpc::Scan::local, global): Call set_has_small_toc_reloc.
	(class Sort_toc_sections): New.
	(Target_powerpc::do_finalize_sections): Sort toc sections.
	(Target_powerpc::Relocate::relocate): Update toc_optimize test.

2012-12-10  Roland McGrath  <mcgrathr@google.com>

	* testsuite/binary_unittest.cc (read_all): New function.
	(Sized_binary_test): Use it instead of ::read.
	* fileread.cc (do_read): Don't assume pread always reads the whole
	amount in a single call.

2012-12-10  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Target_selector_powerpc::Target_selector_powerpc):
	Set EM_PPC64 or EM_PPC here.
	(Target_selector_powerpc::do_recognize): Delete.

2012-12-10  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Powerpc_relobj::Powerpc_relobj): Init has14_ and
	stub_table_.
	(Target_powerpc::Branch_info::make_stub): Don't omit addend.

2012-12-07  Roland McGrath  <mcgrathr@google.com>

	* testsuite/binary_unittest.cc (Sized_binary_test):
	Use open_descriptor rather than ::open.

2012-12-07  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Stub_table::do_write): Delete redundant Address
	typedef and invalid_address constant.
	(Output_data_glink, Stub_table, Target_powerpc): Explicitly
	instantiate constants.

2012-12-06  Roland McGrath  <mcgrathr@google.com>

	* configure.ac (HAVE_ZLIB): Use AM_ZLIB instead of AC_SEARCH_LIBS.
	Use $ac_cv_header_zlib_h = yes as the condition in AM_CONDITIONAL.
	* aclocal.m4: Regenerate.
	* configure: Regenerate.
	* Makefile.in: Regenerate.
	* testsuite/Makefile.in: Regenerate.

2012-12-07  Alan Modra  <amodra@gmail.com>

	* options.h (General_options): Add no_toc_optimize.
	* powerpc.cc (ok_lo_toc_insn): New function.
	(Target_powerpc::Relocate::relocate): Optimize toc access sequences.

2012-12-06  Alan Modra  <amodra@gmail.com>

	* options.h (General_options): Add plt_align, plt_static_chain,
	plt_thread_safe.  Update stub_group_size help text.
	* powerpc.cc (Target_powerpc::plt_thread_safe): New access function
	for new plt_thread_safe_ var.
	(use_plt_offset): Correct comments.
	(Target_powerpc::do_relax): Look for thread creation symbols to
	determine default plt_thread_safe value.  Clear plt call stubs
	as well as branch stubs each iteration.
	(add_2_2_11, add_12_12_11, bnectr_p4, cmpldi_2_0, xor_11_11_11): New
	insn constants.
	(l, hi, ha, write_insn): Move earlier.
	(Stub_table): Delete prev_size, add last_plt_size and last_branch_size.
	(Stub_table::clear_stubs): Rename from clear_long_branch_stubs, clear
	plt stubs too.
	(Stub_table::update_size): Adjust.
	(Stub_table::prev_size, set_prev_size): Delete.
	(Stub_table::stub_align): Let --plt-align affect result.
	(Stub_table::plt_call_size): Calculate sizes for various stubs.
	(Stub_table::branch_stub_size): Use last_plt_size in address calc.
	(Stub_table::add_plt_call_stub): Pass iterator to plt_call_size.
	(Stub_table::do_write): Support more stub variants.

2012-12-04  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Powerpc_relobj::do_scan_relocs): Delete.
	(Target_powerpc::do_define_standard_symbols): New function.

2012-12-03  Alan Modra  <amodra@gmail.com>

	* output.h: Formatting, whitespace.

2012-12-03  Alan Modra  <amodra@gmail.com>

	* layout.h (Layout::get_executable_sections): Declare.
	* layout.cc (Layout::get_executable_sections): New function.
	* arm.cc (Target_arm::group_sections): Use it.
	(Arm_output_section::group_sections): Delete now redundant test.
	* output.cc (Output_reloc::Output_reloc): Add is_relative.
	param to handle relative relocs.
	* output.h (Output_reloc::Output_reloc <absolute reloc>): Likewise.
	(Output_data_reloc::add_absolute): Adjust.
	(Output_data_reloc::add_relative): New function.
	(Output_data::reset_data_size): New function.
	(Output_relaxed_input_section::set_relobj, set_shndx): New functions.
	(Output_section::set_addralign): New function.
	(Output_section::checkpoint_set_addralign): New function.
	(Output_section::clear_section_offsets_need_adjustment): New function.
	(Output_section::input_sections): Make public.
	* powerpc.cc (class Output_data_brlt_powerpc): New.
	(class Stub_table, class Stub_control): New.
	(Powerpc_relobj::has14_, set_has_14bit_branch, has_14bit_branch,
	stub_table_, set_stub_table, stub_table): New vectors and accessor
	functions.
	(Target_powerpc::do_may_relax, do_relax, push_branch,
	new_stub_table, stub_tables, brlt_section, group_sections,
	add_branch_lookup_table, find_branch_lookup_table,
	write_branch_lookup_table, make_brlt_section): New functions.
	(Target_powerpc::struct Sort_sections, class Branch_info): New.
	(Target_powerpc::brlt_section_, stub_tables_, branch_lookup_table_,
	branch_info_): New vars.
	(Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Don't
	make call stubs here.
	(Output_data_glink): Remove all call stub handling from this class.
	(Target_powerpc::Scan::local, global): Save interesting branch
	relocs and relocs for ifunc.  Adjust calls to plt entry functions.
	(Target_powerpc::do_finalize_sections): Only make reg save/restore
	functions on final link.
	(Target_powerpc::Relocate::relocate): Adjust lookup of call stubs.
	Handle long branch destinations too.
	(Target_powerpc::do_dynsym_value, do_plt_address_for_global,
	do_plt_address_for_local): Adjust lookup of plt call stubs.

2012-11-30  Alan Modra  <amodra@gmail.com>

	* powerpc.c (Target_powerpc::Scan::global): Don't emit relative
	relocs against protected symbols when building 32-bit shared libs.

2012-11-30  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Target_powerpc::make_plt_section): Add symtab
	param.  Call got_section() to make .got.  Update all callers
	and their callers and so on.

2012-11-30  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Powerpc_relobj::do_scan_relocs): Make STB_LOCAL
	_GLOBAL_OFFSET_TABLE_ rather than STB_WEAK.
	(Output_data_got_powerpc::make_header): Update _GLOBAL_OFFSET_TABLE_
	value if it already exists.

2012-11-19  H.J. Lu  <hongjiu.lu@intel.com>

	PR gold/14858
	* x86_64.cc (Relocate::tls_ld_to_le): Support x32.

2012-11-14  Roland McGrath  <mcgrathr@google.com>

	* arm.cc (Output_data_plt_arm_nacl::first_plt_entry): Use bic rather
	than bfc instruction for data sandboxing.

2012-11-08  Alan Modra  <amodra@gmail.com>

	* po/POTFILES.in: Regenerate.

2012-11-05  Alan Modra  <amodra@gmail.com>

	* configure.ac: Apply 2012-09-10 change to config.in here.
	* configure: Regenerate.

2012-11-05  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Powerpc_relobj): Delete "Offset" typedef.
	(struct Opd_ent): Use "Address" rather than "Offset".
	(Output_data_got_powerpc::got_base_offset): Return Valtype.
	(Target_powerpc::got_section): Make public.
	(Target_powerpc::scan_relocs): Move code setting symbols..
	(Powerpc_relobj::do_scan_relocs): ..to here, new function.
	Create _SDA_BASE_ only when referenced.

2012-11-02  Roland McGrath  <mcgrathr@google.com>

	* i386.cc (Target_i386::relocate_relocs): Remove extraneous typename
	from last change.

2012-11-01  Roland McGrath  <mcgrathr@google.com>

	* target.h (Sized_target::relocate_relocs): Use Elf_Off
	for offset_in_output_section parameter.
	(Sized_target::relocate_special_relocatable): Likewise.
	* arm.cc (Target_arm::relocate_relocs): Likewise.
	(Target_arm::relocate_special_relocatable): Likewise.
	* i386.cc (Target_i386::relocate_relocs): Likewise.
	* powerpc.cc (Target_powerpc::relocate_relocs): Likewise.
	* sparc.cc (Target_sparc::relocate_relocs): Likewise.
	* target-reloc.h (relocate_relocs): Likewise.
	* testsuite/testfile.cc (Target_test): Likewise.
	* tilegx.cc (Target_tilegx::relocate_relocs): Likewise.
	* x86_64.cc (Target_x86_64::relocate_relocs): Likewise.

	* system.h: Move inclusion of <clocale> to after <libintl.h> in
	[ENABLE_NLS] section, and separately at top of [!ENABLE_NLS] section.

	* descriptors.cc (set_close_on_exec): Add ATTRIBUTE_UNUSED to the
	parameter, which is unused in the [!F_SETFD] case.

	* dwarf_reader.cc (Sized_elf_reloc_mapper::symbol_section): Cast
	SYMNDX to off_t before comparing it to this->data_size().
	* output.cc (Output_symtab_xindex::endian_do_write): Likewise.
	* incremental.cc (Output_section_incremental_inputs::do_write):
	Cast GLOBAL_SYM_COUNT to off_t before comparing it to SYMTAB_SIZE.

	* nacl.cc: Include "libiberty.h" for vasprintf declaration.

2012-10-30  Steve McIntyre  <steve.mcintyre@linaro.org>

	* gold.cc (Target_arm::do_adjust_elf_header): Add the
	hard-float/soft-float ABI flag as appropriate for ET_DYN/ET_EXEC
	in EABI_VER5.

2012-10-29  Cary Coutant  <ccoutant@google.com>

	* dwp.cc (usage): Add file and exit status parameters;
	add --help and --version options.
	(print_version): New function.
	(main): Add --help and --version options.

2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>

	* testsuite/Makefile.am (MOSTLYCLEANFILES): Add
	final_layout_sequence.txt.
	* testsuite/Makefile.in: Regenerated.

2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>

	* testsuite/Makefile.am (COMPILE1): New variable. Renamed from
	COMPILE generated by automake.
	(LINK1): Likewise.
	(CXXCOMPILE1): Likewise.
	(CXXLINK1): Likewise.
	(COMPILE): Strip out -Wp,-D_FORTIFY_SOURCE= from COMPILE1.
	(LINK): Likewise.
	(CXXCOMPILE): Likewise.
	(CXXLINK): Likewise.
	* testsuite/Makefile.in: Regenerated.

2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>

	* dwp.cc (Dwo_file::record_target_info): Issue a fatal error
	on bad fwrite return.

2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>

	* dwp.cc (Dwo_file::remap_str_offset): Use section_offset_type
	on val.

2012-10-23  Cary Coutant  <ccoutant@google.com>

	* testsuite/Makefile.am (TEST_OBJCOPY): New macro.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/dwp_test.h: New source file.
	* testsuite/dwp_test_1.cc: New source file.
	* testsuite/dwp_test_1.s: New source file.
	* testsuite/dwp_test_1.sh: New source file.
	* testsuite/dwp_test_1b.cc: New source file.
	* testsuite/dwp_test_1b.s: New source file.
	* testsuite/dwp_test_2.cc: New source file.
	* testsuite/dwp_test_2.s: New source file.
	* testsuite/dwp_test_2.sh: New source file.
	* testsuite/dwp_test_main.cc: New source file.
	* testsuite/dwp_test_main.s: New source file.

2012-10-23  Cary Coutant  <ccoutant@google.com>

	* dwp.h: New header file.
	* dwp.cc: New source file.
	* gold.h: Move shared declarations to system.h.
	* system.h: New header file.
	* Makefile.am: Add dwp.
	* Makefile.in: Regenerate.

2012-10-23  Cary Coutant  <ccoutant@google.com>

	* dwarf_reader.cc (Dwarf_ranges_table::read_range_list): Call
	Dwarf_info_reader::read_from_pointer.
	(Dwarf_pubnames_table::read_header): Likewise.
	(Dwarf_pubnames_table::next_name): Likewise.
	(Dwarf_die::read_attributes): Likewise.
	(Dwarf_die::skip_attributes): Likewise.
	(Dwarf_info_reader::read_from_pointer): New function template.
	* dwarf_reader.h (Dwarf_ranges_table): Add dwinfo_.
	(Dwarf_pubnames_table): Likewise.
	(Dwarf_info_reader::read_from_pointer): New function template.
	* gdb-index.cc (Gdb_index_info_reader): Adjust call to
	Dwarf_pubnames_table ctor.

2012-10-23  Cary Coutant  <ccoutant@google.com>

	* dwarf_reader.cc (Dwarf_info_reader::do_parse): Use stored
	abbrev_shndx.
	* dwarf_reader.h (Dwarf_info_reader::Dwarf_info_reader): Initialize
	abbrev_shndx_.
	(Dwarf_info_reader::set_abbrev_shndx): New method.
	(Dwarf_info_reader::abbrev_shndx_): New data member.

2012-10-23  Cary Coutant  <ccoutant@google.com>

	* dwarf_reader.cc (make_elf_reloc_mapper): Check size and endianness
	from object, not parameters.
	(Dwarf_info_reader::parse): Likewise.
	* object.h (Relobj::elfsize, Relobj::is_big_endian): New methods.
	(Relobj::do_elfsize, Relobj::do_is_big_endian): New methods.
	(Sized_relobj::do_elfsize, Sized_relobj::do_is_big_endian): New
	methods.

2012-10-23  Cary Coutant  <ccoutant@google.com>

	* fileread.cc (Input_file::Input_file): New constructor.
	* fileread.h (class Input_file): Add new constructor.

2012-10-18  Alan Modra  <amodra@gmail.com>

	PR gold/14727
	* object.cc (Relobj::is_section_name_included): Also match
	.sdata personality section.

2012-10-18  Alan Modra  <amodra@gmail.com>

	* target-reloc.h (class Default_comdat_behavior): New, package up..
	(get_comdat_behaviour): ..this.
	(relocate_section): Add Relocate_comdat_behavior template arg,
	adjust code to suit.
	* arm.cc (Target_arm::relocate_section): Adjust to suit.
	(Target_arm::scan_reloc_section): Likewise.
	* i386.cc (Target_i386::relocate_section): Likewise.
	* sparc.cc (Target_sparc::relocate_section): Likewise.
	* tilegx.cc (Target_tilegx::relocate_section): Likewise.
	* x86_64.cc (Target_x86_64::relocate_section): Likewise.
	* powerpc.cc (class Relocate_comdat_behavior): New.
	(Target_powerpc::relocate_section): Don't zap opd relocs.  Supply
	gold::relocate_section with new template arg.

2012-10-18  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Target_powerpc::Scan::local, global): Always emit
	dynamic relocs for GOT_TPREL got entries, without symbol if
	resolving locally.
	(Target_powerpc::do_gc_add_reference): Don't add for dynamic objects.
	(Target_powerpc::scan_relocs): Define _GLOBAL_OFFSET_TABLE_ early.
	(Target_powerpc::Relocate:relocate): REL32 reloc may be unaligned.

2012-10-17  Alan Modra  <amodra@gmail.com>

	PR gold/14726
	* gold.cc (queue_middle_tasks): Call gc_mark_symbol on _init and _fini.

2012-10-16  Sriraman Tallam  <tmsriram@google.com>

	* layout.cc (Layout::include_section): Keep sections marked
	SHF_EXCLUDE when doing relocatable links.

2012-10-16  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Target_powerpc::define_save_restore_funcs): New func.
	(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.

2012-10-12  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Powerpc_relobj::add_gc_mark, process_gc_mark): New.
	(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.

2012-10-12  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
	add_local_ifunc_entry): Revert last change.
	(Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Likewise.

2012-10-05  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Target_powerpc::do_plt_address_for_local,
	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.

2012-10-05  Alan Modra  <amodra@gmail.com>

	* i386.cc (Output_data_plt_i386::address_for_global,
	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.

2012-10-02  Jiong Wang  <jiwang@tilera.com>

	* tilegx.cc (Target_tilegx::do_finalize_sections): Adjust
	global_offset_table_ value for larget got.
	(Target_tilegx::Relocate::relocate): Handle adjusted got value.

2012-09-29  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Target_powerpc::iplt_): New output section.
	(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.

2012-09-25  Alan Modra  <amodra@gmail.com>

	* object.h (Sized_relobj_file::adjust_local_symbol,
	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.

2012-09-15  Jiong Wang  <jiwang@tilera.com>

	* 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.

2012-09-13  Alan Modra  <amodra@gmail.com>

	* target-reloc.h (scan_relocs): Call scan.local for relocs
	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.

2012-09-12  Ian Lance Taylor  <iant@google.com>

	PR gold/14570
	* 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.

2012-09-11  Alan Modra  <amodra@gmail.com>

	PR gold/14566
	* 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.

2012-09-11  Alan Modra  <amodra@gmail.com>

	* output.h (Output_data_got::add_global_tls, add_local_tls,
	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.

2012-09-10  Matthias Klose  <doko@ubuntu.com>

	* config.in: Disable sanity check for kfreebsd.

2012-09-10  Sterling Augustine  <saugustine@google.com>

	* 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_.

2012-09-09  Alan Modra  <amodra@gmail.com>

	* target.h (Target::gc_mark_symbol, do_gc_mark_symbol): New functions.
	(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.

2012-09-06  Cary Coutant  <ccoutant@google.com>

	* 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.

2012-09-05  H.J. Lu  <hongjiu.lu@intel.com>

	* testsuite/script_test_3.t: Add .got.plt output section
	statement.
	* testsuite/script_test_4.t: Likewise.

2012-09-05  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Powerpc_relocate_functions): Upcase enum values,
	update all uses and lose "enum" when using type.

2012-09-05  Alan Modra  <amodra@gmail.com>

	* configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): False for powerpc.
	* 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.

2012-09-05  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Powerpc_relobj::get_opd_ent): Make const.
	(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.

2012-09-05  Alan Modra  <amodra@gmail.com>

	* object.h (Sized_relobj_file::emit_relocs): Delete.
	(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.

2012-09-04  Andreas Schwab  <schwab@linux-m68k.org>

	* powerpc.cc (do_make_elf_object): Allow ET_EXEC files with
	--just-symbols.

2012-08-31  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Powerpc_relobj): Add and use Address typedef.
	(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.

2012-08-30  Alan Modra  <amodra@gmail.com>

	* layout.cc (Layout::set_segment_offsets): Set p_align to
	abi_pagesize, not common_pagesize.
	(Layout::relaxation_loop_body): Similarly use abi_pagesize
	to determine whether file header can go in segment.

2012-08-30  Alan Modra  <amodra@gmail.com>

	* output.h (Output_reloc::Output_reloc <output section>): Add
	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.

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.

2012-08-22  Cary Coutant  <ccoutant@google.com>

	* layout.cc (Layout::include_section): Don't assert on GROUP
	sections with --emit-relocs.

2012-08-21  Cary Coutant  <ccoutant@google.com>

	* symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert
	if --export-dynamic-symbol names an undef symbol.

2012-08-18  Alan Modra  <amodra@gmail.com>

	* powerpc.cc: Formatting and white space.
	(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.

2012-08-14  Ian Lance Taylor  <iant@google.com>

	* x86_64.cc (Target_x86_64::Scan::global): Fix erroneous call to
	unsupported_relocal_local to call unsupported_reloc_global.

2012-08-14  Nick Clifton  <nickc@redhat.com>

	PR ld/14265
	* 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.

2012-08-14  Alan Modra  <amodra@gmail.com>

	* target.h (Target::output_section_name): New function.
	(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.

2012-08-14  Alan Modra  <amodra@gmail.com>

	* 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.

2012-08-14  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
	(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.

2012-08-12  Alan Modra  <amodra@gmail.com>

	* powerpc.cc: Whitespace fixes.  Wrap overly long lines.
	(glink insn constants): Use uint32_t.
	(Output_data_glink::add_entry): Use insert, not [] operator.

2012-08-11  Alan Modra  <amodra@gmail.com>

	* object.h (Sized_relobj_file::find_shdr): New function.
	(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.

2012-08-09  Nick Clifton  <nickc@redhat.com>

	* po/vi.po: Updated Vietnamese translation.

2012-08-07  Ian Lance Taylor  <iant@google.com>

	* layout.cc (Layout::add_target_dynamic_tags): If
	dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
	plt_rel.

2012-07-30  Nick Clifton  <nickc@redhat.com>

	* po/gold.pot: Updated template.
	* po/es.po: Updated Spanish translation.

2012-07-18  Cary Coutant  <ccoutant@google.com>

	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.

2012-07-16  Sriraman Tallam  <tmsriram@google.com>

	* gold.cc (queue_middle_tasks): Update function order only after
	deferred objects due to plugins are processed.

2012-07-11  Ian Lance Taylor  <iant@google.com>

	* arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
	(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.

2012-07-10  Dodji Seketeli  <dodji@redhat.com>
	    Ian Lance Taylor  <iant@google.com>

	PR gold/14309
	* 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.

2012-06-22  Roland McGrath  <mcgrathr@google.com>

	* layout.cc (finalize): Define __ehdr_start symbol if applicable.

2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>

	* plugin.cc (Plugin::load): Handle position independent executables.

2012-06-06  Cary Coutant  <ccoutant@google.com>

	* 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.

2012-06-06  Cary Coutant  <ccoutant@google.com>

	* 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.

2012-06-05  Jing Yu  <jingyu@google.com>

	* gold.h (textdomain): Add do {} to empty while(0).
	(bindtextdomain): Likewise.

2012-06-04  Cary Coutant  <ccoutant@google.com>

	* dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
	has_dynsym_index.

2012-05-25  Sriraman Tallam  <tmsriram@google.com>

	* symtab.cc (Symbol_table::define_special_symbol):
	Initialize *poldsym to prevent uninitialized variable errors.

2012-05-23  Cary Coutant  <ccoutant@google.com>

	* layout.cc (Layout::section_name_mapping): Add rules to handle
	exact match on .data.rel.ro.local or .data.rel.ro.
	(Layout::output_section_name): Check for exact matches.

2012-05-23  Cary Coutant  <ccoutant@google.com>

	* layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
	more carefully.

2012-05-22  Cary Coutant  <ccoutant@google.com>

	* symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
	object before exporting symbol.

2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>

	* testsuite/tls_test.cc: Include "config.h" first.
	* testsuite/tls_test_c.c: Likewise.

2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
	    Nick Clifton  <nickc@redhat.com>

	PR 14072
	* configure.in: Add check that sysdep.h has been included before
	any system header files.
	* configure: Regenerate.
	* config.in: Regenerate.

2012-05-14  Cary Coutant  <ccoutant@google.com>

	* layout.cc (Layout::make_output_section): Mark .tdata section
	as RELRO.
	* testsuite/relro_test.cc: Add a TLS variable.

2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>

	PR gold/14091
	* x86_64.cc (Target_x86_64::Scan::local): For x32, generate
	R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
	R_X86_64_64.

2012-05-08  Cary Coutant  <ccoutant@google.com>

	* layout.cc (gdb_sections): Update GDB version, add .debug_addr.
	(lines_only_debug_sections): Likewise.

2012-05-02  Roland McGrath  <mcgrathr@google.com>

	* nacl.cc: New file.
	* nacl.h: New file.
	* Makefile.am (CCFILES, HFILES): Add them.
	* Makefile.in: Regenerate.
	* i386.cc (Output_data_plt_i386_nacl): New class.
	(Output_data_plt_i386_nacl_exec): New class.
	(Output_data_plt_i386_nacl_dyn): New class.
	(Target_i386_nacl): New class.
	(Target_selector_i386_nacl): New class.
	(target_selector_i386): Use it instead of Target_selector_i386.
	* x86_64.cc (Output_data_plt_x86_64_nacl): New class.
	(Target_x86_64_nacl): New class.
	(Target_selector_x86_64_nacl): New class.
	(target_selector_x86_64, target_selector_x32): Use it instead of
	Target_selector_x86_64.
	* arm.cc (Output_data_plt_arm_nacl): New class.
	(Target_arm_nacl): New class.
	(Target_selector_arm_nacl): New class.
	(target_selector_arm, target_selector_armbe): Use it instead of
	Target_selector_arm.

	* target-select.cc (select_target): Take new Input_file* and off_t
	arguments, pass them on to recognize method of selector.
	* object.cc (make_elf_sized_object): Update caller.
	* parameters.cc (parameters_force_valid_target): Likewise.
	* incremental.cc (make_sized_incremental_binary): Likewise.
	* target-select.h: Update decl.
	(Target_selector::recognize): Take new Input_file* argument,
	pass it on to do_recognize.
	(Target_selector::do_recognize): Take new Input_file* argument.
	* freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
	* powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
	* sparc.cc (Target_selector_sparc::do_recognize): Likewise.
	* testsuite/testfile.cc (Target_selector::do_recognize): Likewise.

	* target.h (Target::Target_info): New members isolate_execinstr
	and rosegment_gap.
	(Target::isolate_execinstr, Target::rosegment_gap): New methods.
	* arm.cc (Target_arm::arm_info): Update initializer.
	* i386.cc (Target_i386::i386_info): Likewise.
	* powerpc.cc (Target_powerpc::powerpc_info): Likewise.
	* sparc.cc (Target_sparc::sparc_info): Likewise.
	* x86_64.cc (Target_x86_64::x86_64_info): Likewise.
	* testsuite/testfile.cc (Target_test::test_target_info): Likewise.
	* layout.cc (Layout::attach_allocated_section_to_segment):
	Take new const Target* argument.  If target->isolate_execinstr(), act
	like --rosegment.
	(Layout::find_first_load_seg): Take new const Target* argument;
	if target->isolate_execinstr(), reject PF_X segments.
	(Layout::relaxation_loop_body): Update caller.
	(Layout::set_segment_offsets): If target->isolate_execinstr(),
	reset file offset to zero when we hit LOAD_SEG, and then do a second
	loop over the segments before LOAD_SEG to reassign offsets after
	addresses have been determined.  Handle target->rosegment_gap().
	(Layout::attach_section_to_segment): Take new const Target* argument;
	pass it to attach_allocated_section_to_segment.
	(Layout::make_output_section): Update caller.
	(Layout::attach_sections_to_segments): Take new const Target* argument;
	pass it to attach_section_to_segment.
	* gold.cc (queue_middle_tasks): Update caller.
	* layout.h (Layout): Update method decls with new arguments.

	* arm.cc (Target_arm::Target_arm): Take optional argument for the
	Target_info pointer to use.
	(Target_arm::do_make_data_plt): New virtual method.
	(Target_arm::make_data_plt): New method that calls it.
	(Target_arm::make_plt_entry): Use it.
	(Output_data_plt_arm::Output_data_plt_arm): Take additional argument
	for the section alignment.
	(Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
	method.
	(Output_data_plt_arm::first_plt_entry_offset): Call it.
	(Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
	method.
	(Output_data_plt_arm::get_plt_entry_size): Call it.
	(Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
	(Output_data_plt_arm::fill_plt_entry): New method that calls it.
	(Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
	method.
	(Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
	(Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
	method instead of sizeof(plt_entry).
	(Output_data_plt_arm::add_entry): Likewise.
	Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
	(Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
	than static method.
	(Target_arm::plt_entry_size): Likewise.
	(Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
	Move to ...
	(Output_data_plt_arm_standard): ... here, new class.
	(Output_data_plt_arm::do_write): Move guts of PLT filling to...
	(Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
	(Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.

	* x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
	Take additional argument for the PLT entry size.
	(Output_data_plt_x86_64::get_tlsdesc_plt_offset):
	Use get_plt_entry_size method rather than plt_entry_size variable.
	(Output_data_plt_x86_64::reserve_slot): Likewise.
	(Output_data_plt_x86_64::do_adjust_output_section): Likewise.
	(Output_data_plt_x86_64::add_entry): Likewise.
	(Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
	(Output_data_plt_x86_64::address_for_global): Likewise.
	(Output_data_plt_x86_64::address_for_local): Likewise.
	(Output_data_plt_x86_64::set_final_data_size): Likewise.
	(Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
	Make method non-static.
	(Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
	method.
	(Output_data_plt_x86_64::get_plt_entry_size): Just call that.
	(Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
	(Output_data_plt_x86_64::add_eh_frame): New method to call it.
	(Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
	virtual method.
	(Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
	(Output_data_plt_x86_64::do_fill_plt_entry): New abstract
	virtual method.
	(Output_data_plt_x86_64::fill_plt_entry): New method to call it.
	(Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
	virtual method.
	(Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
	(Output_data_plt_x86_64::plt_entry_size)
	(Output_data_plt_x86_64::first_plt_entry)
	(Output_data_plt_x86_64::plt_entry)
	(Output_data_plt_x86_64::tlsdesc_plt_entry)
	(Output_data_plt_x86_64::plt_eh_frame_fde_size)
	(Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
	(Output_data_plt_x86_64_standard): ... here, new class.
	(Target_x86_64::Target_x86_64): Take optional argument for the
	Target_info pointer to use.
	(Target_x86_64::do_make_data_plt): New virtual method.
	(Target_x86_64::make_data_plt): New method to call it.
	(Target_x86_64::init_got_plt_for_update): Use that.
	Call this->plt_->add_eh_frame method here.
	(Output_data_plt_x86_64::init):	Don't do add_eh_frame_for_plt here.
	(Target_x86_64::first_plt_entry_offset): Call method on this->plt_
	rather than static method.
	(Target_x86_64::plt_entry_size): Likewise.
	(Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
	rather than plt_entry_size variable.  Move guts of PLT filling to...
	(Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
	(Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
	(Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.

	* i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
	additional argument for the section alignment.
	Don't do add_eh_frame_for_plt here.
	(Output_data_plt_i386::first_plt_entry_offset): Make the method
	non-static.  Use get_plt_entry_size method rather than plt_entry_size
	variable.
	(Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
	method.
	(Output_data_plt_i386::get_plt_entry_size): Call it.
	(Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
	(Output_data_plt_i386::add_eh_frame): New method to call it.
	(Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
	method.
	(Output_data_plt_i386::fill_first_plt_entry): New method to call it.
	(Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
	method.
	(Output_data_plt_i386::fill_plt_entry): New method to call it.
	(Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
	method instead of plt_entry_size.
	(Output_data_plt_i386::plt_entry_size)
	(Output_data_plt_i386::plt_eh_frame_fde_size)
	(Output_data_plt_i386::plt_eh_frame_fde): Move to ...
	(Output_data_plt_i386_standard): ... here, new class.
	(Output_data_plt_i386_exec): New class.
	(Output_data_plt_i386::exec_first_plt_entry): Move to ...
	(Output_data_plt_i386_exec::first_plt_entry): ... here.
	(Output_data_plt_i386::exec_plt_entry): Move to ...
	(Output_data_plt_i386_exec::plt_entry): ... here.
	(Output_data_plt_i386_dyn): New class.
	(Output_data_plt_i386::first_plt_entry): Move to ...
	(Output_data_plt_i386_dyn::first_plt_entry): ... here.
	(Output_data_plt_i386::dyn_plt_entry): Move to ...
	(Output_data_plt_i386_dyn::plt_entry): ... here.
	(Target_i386::Target_i386): Take optional argument for the Target_info
	pointer to use.
	(Target_i386::do_make_data_plt): New virtual method.
	(Target_i386::make_data_plt): New method to call it.
	(Target_i386::make_plt_section): Use that.
	Call this->plt_->add_eh_frame method here.
	(Output_data_plt_i386::add_entry): Use get_plt_entry_size method
	rather than plt_entry_size variable.
	(Output_data_plt_i386::add_local_ifunc_entry): Likewise.
	(Output_data_plt_i386::address_for_local): Likewise.
	(Output_data_plt_i386::do_write): Likewise.
	Move guts of PLT filling to...
	(Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
	(Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
	(Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
	(Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.

2012-05-01  Cary Coutant  <ccoutant@google.com>

	* dwarf_reader.cc (Dwarf_die::read_attributes)
	(Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
	(Dwarf_die::uint_attribute): Remove DW_FORM_null.
	* reduced_debug_output.cc
	(Output_reduced_debug_info_section::get_die_end): Remove
	DW_FORM_GNU_ref_index.  Add default case.

2012-04-26  Mark Wielaard  <mjw@redhat.com>

	* dwarf_reader.cc (Dwarf_die::address_attribute): New function.
	* dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
	* gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
	DW_AT_high_pc as offset from DW_AT_low_pc.

	* testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/gdb_index_test_3.c: New test source file.
	* testsuite/gdb_index_test_3.sh: New test source file.

2012-04-25  Ian Lance Taylor  <iant@google.com>

	* arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
	pointer.
	(Stub_addend_reader::operator()): Declare Arm_relocate_functions
	as a class, not a struct.
	(Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
	(Target_arm::apply_cortex_a8_workaround): Likewise.
	* gc.h: Declare Reloc_types as a struct, not a class.
	* object.h: Declare Symbols_data as a struct.
	* reloc.h: Declare Read_relocs_data as a struct.
	* target.h: Declare Relocate_info as a struct.

2012-04-24  David S. Miller  <davem@davemloft.net>

	* sparc.cc (Target_sparc::Relocate::relax_call): New function.
	(Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
	and R_SPARC_WPLT30.

2012-04-24  Cary Coutant  <ccoutant@google.com>

	* incremental-dump.cc (find_input_containing_global): Replace
	magic number with symbolic constant.
	(dump_incremental_inputs): Update version number.
	* incremental.cc (Output_section_incremental_inputs): Update version
	number; import symbolic constants from Incremental_inputs_reader.
	(Incremental_inputs::create_data_sections): Align relocations
	section correctly for 64-bit targets.
	(Output_section_incremental_inputs::set_final_data_size): Use symbolic
	constants; add padding.
	(Output_section_incremental_inputs::write_header): Add assert for
	header_size.
	(Output_section_incremental_inputs::write_input_files): Add assert
	for input_entry_size.
	(Output_section_incremental_inputs::write_info_blocks): Add padding;
	add assert for object_info_size, input_section_entry_size,
	global_sym_entry_size.
	* incremental.h (Incremental_inputs_reader): Add symbolic constants
	for data structure sizes; use them.
	(Incremental_input_entry_reader): Import symbolic constants from
	Incremental_inputs_reader; use them.

2012-04-23  David S. Miller  <davem@davemloft.net>

	* sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
	and elf_flags_set_.
	(Target_sparc::Target_sparc): Initialize new fields.
	(Target_sparc::do_make_elf_object): New function.
	(Target_sparc::do_adjust_elf_header): New function.

2012-04-23  Cary Coutant  <ccoutant@google.com>

	* gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
	CU range table of gdb index.

2012-04-20  David S. Miller  <davem@davemloft.net>

	* target.cc (Sized_target::do_adjust_elf_header): Use big_endian
	instead of false.

2012-04-16  David S. Miller  <davem@davemloft.net>

	* sparc.cc (Target_sparc::got_address): New function.
	(Sparc_relocate_functions::gdop_hix22): New function.
	(Sparc_relocate_functions::gdop_lox10): New function.
	(Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
	relocs.
	(Target_sparc::Scan::local): Likewise if the global symbol is not
	preemptible and is not IFUNC.
	(Target_sparc::Relocate::relocate): Perform GOTDATA code
	transformations for local and non-preemptible non-IFUNC global
	symbols.

	* gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
	writing out 64-bit part of ranges.

	* Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
	-fpic and -fpie respectively.
	* Makefile.in: Regenerate.

	* sparc.cc (class Target_sparc): Add rela_ifunc_.
	(Target_sparc::Target_sparc): Initialize new field.
	(Target_sparc::do_plt_section_for_global): New function.
	(Target_sparc::do_plt_section_for_local): New function.
	(Target_sparc::reloc_needs_plt_for_ifunc): New function.
	(Target_sparc::make_plt_section): New function, broken out of
	make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
	(Target_sparc::make_plt_entry): Call make_plt_section.
	(Target_sparc::make_local_ifunc_plt_entry): New function.
	(Target_sparc::rela_ifunc_section): New function.
	(Target_sparc::plt_section): Remove const.
	(Output_data_plt_sparc): Update declarations.  Define Global_ifunc
	and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
	and ifunc_count_ fields.
	(Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
	(Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
	(Output_data_plt_sparc::add_local_ifunc_entry): New function.
	(Output_data_plt_sparc::rela_ifunc): New function.
	(Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
	(Output_data_plt_sparc::has_ifunc_section): New function.
	(Output_data_plt_sparc::entry_count): Include ifunc_count_.
	(Output_data_plt_sparc::address_for_global): New function.
	(Output_data_plt_sparc::address_for_local): New function.
	(Output_data_plt_sparc::plt_index_to_offset): New function.
	(Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
	and entry_count.
	(Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
	entry_count.
	(Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
	R_SPARC_JMP_IREL to switch.
	(Target_sparc::Scan::check_non_pic): Likewise.
	(Target_sparc::Scan::local): Handle IFUNC symbols.
	(Target_sparc::Scan::local): Likewise.
	(Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
	and plt_address_for_local.
	(Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
	Define __rel_iplt_start and __rel_iplt_end if doing a static link.

	* output.h (Output_reloc): Allow use_plt_offset for global relocs too.
	(class Output_data_reloc): Adjust calls to Output_reloc_type.
	(Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
	* output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
	global relocs too.
	(Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
	* powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
	calls.
	* sparc.cc (Target_sparc::Scan::global): Likewise.
	* x86_64.cc (Target_x86_64::Scan::global): Likewise.

2012-04-16  Cary Coutant  <ccoutant@google.com>

	* archive.cc (Library_base::should_include_member): Check for
	--export-dynamic-symbol.
	* options.h (class General_options): Add --export-dynamic-symbol.
	* symtab.cc (Symbol::should_add_dynsym_entry): Check for
	--export-dynamic-symbol.
	(Symbol_table::gc_mark_undef_symbols): Likewise.
	(Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.

2012-04-12  David S. Miller  <davem@davemloft.net>

	* sparc.cc (Reloc::wdisp10): New relocation method.
	(Reloc::h34): Likewise.
	(Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
	(Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
	R_SPARC_WDISP10.
	(Target_sparc::Scan::local): Likewise.
	(Target_sparc::Scan::global): Likewise.
	(Target_sparc::Relocate::relocate): Likewise.

2012-04-09  Cary Coutant  <ccoutant@google.com>

	* gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
	low_pc == 0.

2012-04-06  Ian Lance Taylor  <iant@google.com>

	* timer.cc: #include <unistd.h>.

2012-04-06  Roland McGrath  <mcgrathr@google.com>

	* configure.in (AC_CHECK_HEADERS): Add locale.h.
	* config.in: Regenerate.
	* configure: Regenerate.

2012-04-05  Nick Clifton  <nickc@redhat.com>

	* configure.ac (AC_CHECK_FUNCS): Add setlocale.
	(AM_LC_MESSAGES): Add.
	* aclocal.m4: Regenerate.
	* config.in: Regenerate.
	* configure: Regenerate.

2012-03-21  Cary Coutant  <ccoutant@google.com>

	* Makefile.am: Add gdb-index.cc, gdb-index.h.
	* Makefile.in: Regenerate.
	* dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
	(Sized_elf_reloc_mapper::symbol_section): New function.
	(Sized_elf_reloc_mapper::do_get_reloc_target): New function.
	(make_elf_reloc_mapper): New function.
	(Dwarf_abbrev_table::clear_abbrev_codes): New function.
	(Dwarf_abbrev_table::do_read_abbrevs): New function.
	(Dwarf_abbrev_table::do_get_abbrev): New function.
	(Dwarf_ranges_table::read_ranges_table): New function.
	(Dwarf_ranges_table::read_range_list): New function.
	(Dwarf_pubnames_table::read_section): New function.
	(Dwarf_pubnames_table::read_header): New function.
	(Dwarf_pubnames_table::next_name): New function.
	(Dwarf_die::Dwarf_die): New function.
	(Dwarf_die::read_attributes): New function.
	(Dwarf_die::skip_attributes): New function.
	(Dwarf_die::set_name): New function.
	(Dwarf_die::set_linkage_name): New function.
	(Dwarf_die::attribute): New function.
	(Dwarf_die::string_attribute): New function.
	(Dwarf_die::int_attribute): New function.
	(Dwarf_die::uint_attribute): New function.
	(Dwarf_die::ref_attribute): New function.
	(Dwarf_die::child_offset): New function.
	(Dwarf_die::sibling_offset): New function.
	(Dwarf_info_reader::check_buffer): New function.
	(Dwarf_info_reader::parse): New function.
	(Dwarf_info_reader::do_parse): New function.
	(Dwarf_info_reader::do_read_string_table): New function.
	(Dwarf_info_reader::lookup_reloc): New function.
	(Dwarf_info_reader::get_string): New function.
	(Dwarf_info_reader::visit_compilation_unit): New function.
	(Dwarf_info_reader::visit_type_unit): New function.
	(Sized_dwarf_line_info::Sized_dwarf_line_info): Use
	Sized_elf_reloc_mapper.
	(Sized_dwarf_line_info::symbol_section): Remove function.
	(Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
	(Sized_dwarf_line_info::read_line_mappings): Remove object
	parameter, adjust callers.
	(Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
	* dwarf_reader.h: Include <sys/types.h>.
	(class Track_relocs): Remove forward declaration.
	(class Elf_reloc_mapper): New class.
	(class Sized_elf_reloc_mapper): New class.
	(class Dwarf_abbrev_table): New class.
	(class Dwarf_range_list): New class.
	(class Dwarf_ranges_table): New class.
	(class Dwarf_pubnames_table): New class.
	(class Dwarf_die): New class.
	(class Dwarf_info_reader): New class.
	(Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
	(Sized_dwarf_line_info::symbol_section): Remove member function.
	* dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
	base class.
	* gdb-index.cc: New source file.
	* gdb-index.h: New source file.
	* incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
	and .debug_types sections, call Layout::add_to_gdb_index.
	(Sized_relobj_incr::do_section_name): Implement.
	(Sized_relobj_incr::do_section_contents): Adjust parameter list and
	return type; Implement.
	(Sized_incr_dynobj::do_section_contents): Adjust parameter list and
	return type.
	* incremental.h (Sized_relobj_incr::do_section_contents): Adjust
	parameter list and return type.
	(Sized_incr_dynobj::do_section_contents): Likewise.
	* layout.cc: Include gdb-index.h.
	(Layout::Layout): Initialize gdb_index_data_.
	(Layout::init_fixed_output_section): Check for .gdb_index section.
	(Layout::add_to_gdb_index): New function. Instantiate.
	* layout.h: Add forward declaration for class Gdb_index.
	(Layout::add_to_gdb_index): New member function.
	(Layout::gdb_index_data_): New data member.
	* main.cc: Include gdb-index.h.
	(main): Print statistics for gdb index.
	* object.cc (Object::section_contents): Move code into
	do_section_contents.
	(need_decompressed_section): Check for sections needed when building
	gdb index.
	(build_compressed_section_map): Likewise.
	(Sized_relobj_file::do_read_symbols): Need local symbols when building
	gdb index.
	(Sized_relobj_file::do_layout): Track .debug_info and .debug_types
	sections; call Layout::add_to_gdb_index.
	(Sized_relobj_file::do_decompressed_section_contents): Call
	do_section_contents directly.
	* object.h (Object::do_section_contents): Adjust parameter list and
	return type.
	(Object::do_decompressed_section_contents): Call do_section_contents
	directly.
	(Sized_relobj_file::do_section_contents): Adjust parameter list and
	return type.
	* options.h (class General_options): Add --gdb-index option.
	* plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
	list and return type.
	* plugin.h (Sized_pluginobj::do_section_contents): Likewise.
	* reloc.h (Track_relocs::checkpoint): New function.
	(Track_relocs::reset): New function.

	* testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
	New test cases.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/gdb_index_test.cc: New test source file.
	* testsuite/gdb_index_test_1.sh: New test source file.
	* testsuite/gdb_index_test_2.sh: New test source file.

2012-03-19  Doug Kwan  <dougkwan@google.com>

	* arm.cc (Target_arm::do_define_standard_symbols): New method.
	(Target_arm::do_finalize_sections): Remove code which defines
	__exidx_start and __exidx_end.  Make symbol table parameter
	anonymous as it is not used.
	* gold.cc (queue_middle_tasks): Call target hook to define any
	target-specific symbols.
	* target.h (Target::define_standard_symbols): New method.
	(Target::do_define_standard_symbols): Same.
	* testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/arm_exidx.s: Generate data relocations for __exidx_start
	and __exidx_end.
	* testsuite/arm_exidx_test.sh: Check that no unused dynamic
	relocations are generated for __exidx_start and __exidx_end.

2012-03-16  Doug Kwan  <dougkwan@google.com>

	* testsuite/Makefile.am: Disable test initpri3b.
	* testsuite/Makefile.in: Regenerate.

2012-03-15  Doug Kwan  <dougkwan@google.com>

	* arm.cc (Target_arm::got_section): Make .got section read-only
	if -z now is given.

2012-03-15  Ian Lance Taylor  <iant@google.com>

	PR gold/13850
	* layout.cc (Layout::make_output_section): Correctly mark
	SHT_INIT_ARRAY, et. al., as relro.

2012-03-14  Doug Kwan  <dougkwan@google.com>

	* gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
	dynamic relocations for protected symbols in shared objects.

2012-03-13  Ian Lance Taylor  <iant@google.com>

	* resolve.cc (Symbol_table::resolve): When merging common symbols,
	keep the larger alignment.

2012-03-12  Cary Coutant  <ccoutant@google.com>

	* dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
	handling of DW_LNE_define_file.

2012-03-12  Cary Coutant  <ccoutant@google.com>

	* reduced_debug_output.cc
	(Output_reduced_debug_info_section::get_die_end): Add new FORM
	codes to switch.

2012-02-29  Cary Coutant  <ccoutant@google.com>

	* object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.

2012-02-29  Cary Coutant  <ccoutant@google.com>

	* dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
	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.

2012-02-16  Cary Coutant  <ccoutant@google.com>

	* testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
	* testsuite/Makefile.in: Regenerate.

2012-02-14  Cary Coutant  <ccoutant@google.com>

	* options.cc (General_options::finalize): Disallow -pie and -static.

2012-02-03  Doug Kwan  <dougkwan@google.com>

	* 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.

2012-02-02  Doug Kwan  <dougkwan@google.com>

	* arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
	position independent outputs, not just shared objects.

2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>

	* configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
	* configure: Regenerated.

2012-01-27  Ian Lance Taylor  <iant@google.com>

	* reloc.h (Bits): New class with static functions, copied from
	namespace utils in arm.cc.
	* arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
	instead.

2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>

	* incremental.cc (write_info_blocks): Correct relocation offset.

2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>

	* x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
	(Relocate::tls_gd_to_le): Likewise.

2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>

	* x86_64.cc (Scan::global): Support x32 IFUNC function pointer.

2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>

	* configure.ac: Check if -mcmodel=medium works.
	* configure: Regenerated.

2012-01-24  Cary Coutant  <ccoutant@google.com>

	* int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
	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.

2012-01-23  Ian Lance Taylor  <iant@google.com>

	PR gold/13617
	* i386.cc (Target_i386::do_code_fill): When using a jmp
	instruction, pad with nop instructions.
	* x86_64.cc (Target_x86_64::do_code_fill): Likewise.

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.

2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>

	* x86_64.cc: Initial support for x32.

2012-01-03  Cary Coutant  <ccoutant@google.com>

	* gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
	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.

2011-12-18  Ian Lance Taylor  <iant@google.com>

	* object.h (Relobj::local_symbol_value): New function.
	(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.

2011-12-17  Cary Coutant  <ccoutant@google.com>

	* dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
	* resolve.cc (Symbol_table::resolve): Likewise.
	* i386.cc (Target_i386::do_code_fill): Use char constants for nop
	arrays.
	* x86_64.cc (Target_x86_64::do_code_fill): Likewise.

2011-12-16  Ian Lance Taylor  <iant@google.com>

	* output.h (Output_data_reloc_generic::add): Only call
	add_dynamic_reloc if this is a dynamic reloc section.

2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>

	PR gold/13505
	* target-reloc.h (apply_relocation): Replace <64, false> with
	<size, big_endian>.

2011-11-25  Nick Clifton  <nickc@redhat.com>

	* po/it.po: New Italian translation.

2011-11-17  Sterling Augustine  <saugustine@google.com>

	* 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.

2011-11-11  Sterling Augustine  <saugustine@google.com>

	* yyscript.y (section_cmd): Add support for INCLUDE directive.
	(file_or_sections_cmd): Likewise.

2011-11-11  Doug Kwan  <dougkwan@google.com>

	* arm.cc (Target_arm::do_make_elf_object): Allow executable also
	if --just-symbols is given.

2011-11-10  Doug Kwan  <dougkwan@google.com>

	PR gold/13362
	* arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
	when processing data relocs.
	* reloc.h (Relocate_functions::rel_unaligned): New method.
	(Relocate_functions::pcrel_unaligned): Ditto.
	(Relocate_functions::rel32_unaligned): Ditto.
	(Relocate_functions::pcrel32_unaligned): Ditto.

2011-11-09  Doug Kwan  <dougkwan@google.com>

	PR gold/13362
	* arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
	Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
	* reloc.h (Relocatable_relocs::Reloc_strategy): New enum
	RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
	(Relocate_functions::rel_unaligned): New.
	(Relocate_functions::rel32_unaligned): New.
	* target-reloc.h (relocate_for_relocatable): Add code to handle
	RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
	* testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
	arm_unaligned_reloc_r): New targets.
	* testsuite/Makefile.in: Regenerate.
	* arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
	linking.

2011-11-02  Ian Lance Taylor  <iant@google.com>

	* configure.ac: Add --with-lib-path option.  Define LIB_PATH and
	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.

2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>

	* arm.cc (Target_arm::may_use_v5t_interworking): Check whether
	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.

2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>

	* arm.cc (Target_arm::Target_arm): Remove initialisation of
	may_use_blx_.
	(Target_arm::may_use_blx): Remove method.
	(Target_arm::set_may_use_blx): Likewise.
	(Target_arm::may_use_v4t_interworking): New method.
	(Target_arm::may_use_v5t_interworking): Likewise.
	(Target_arm::may_use_blx_): Remove member variable.
	(Arm_relocate_functions::arm_branch_common): Check for v5T
	interworking.
	(Arm_relocate_functions::thumb_branch_common): Likewise.
	(Reloc_stub::stub_type_for_reloc): Likewise.
	(Target_arm::do_finalize_sections): Correct interworking checks.
	* testsuite/Makefile.am: Add new tests.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/arm_farcall_arm_arm.s: New test.
	* testsuite/arm_farcall_arm_arm.sh: Likewise.
	* testsuite/arm_farcall_arm_thumb.s: Likewise.
	* testsuite/arm_farcall_arm_thumb.sh: Likewise.
	* testsuite/arm_farcall_thumb_arm.s: Likewise.
	* testsuite/arm_farcall_thumb_arm.sh: Likewise.
	* testsuite/arm_farcall_thumb_thumb.s: Likewise.
	* testsuite/arm_farcall_thumb_thumb.sh: Likewise.

2011-10-31  Cary Coutant  <ccoutant@google.com>

	PR gold/13023
	* 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.

2011-10-31  Cary Coutant  <ccoutant@google.com>

	* options.h (class General_options): Add --[no-]gnu-unique options.
	* symtab.cc (Symbol_table::sized_write_globals): Convert
	STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.

2011-10-31  Cary Coutant  <ccoutant@google.com>

	PR gold/13359
	* i386.cc (Target_i386::Relocate::relocate_tls): Remove
	unnecessary assertion.
	* x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.

2011-10-31 Sriraman Tallam  <tmsriram@google.com>

	* 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.

2011-10-19  Ian Lance Taylor  <iant@google.com>

	PR gold/13163
	* script-sections.cc
	(Output_section_element_dot_assignment::needs_output_section): New
	function.

2011-10-19  Ian Lance Taylor  <iant@google.com>

	PR gold/13204
	* 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.

2011-10-18  David S. Miller  <davem@davemloft.net>

	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.

2011-10-18  Cary Coutant  <ccoutant@google.com>

	* output.cc (posix_fallocate): Return 0 on success, errno on failure.
	(Output_file::map_no_anonymous): Check for non-zero
	return code from posix_fallocate.

2011-10-17  Cary Coutant  <ccoutant@google.com>

	PR gold/13245
	* 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.

2011-10-17  Cary Coutant  <ccoutant@google.com>

	* gold.cc: Include timer.h.
	(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.

2011-10-17  Cary Coutant  <ccoutant@google.com>

	* readsyms.cc (Read_symbols::run): Don't queue an unblocker
	task for members of lib groups.

2011-10-17  Cary Coutant  <ccoutant@google.com>

	PR gold/13288
	* fileread.cc (File_read::find_view): Add assert.
	(File_read::make_view): Move bounds check (replace with assert)...
	(File_read::find_or_make_view): ... to here.

2011-10-12  Cary Coutant  <ccoutant@google.com>

	* output.cc (Output_file::open_base_file): Handle case where
	::read returns less than requested size.

2011-10-10  Cary Coutant  <ccoutant@google.com>

	* incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
	Initialize defined_count_.
	(Sized_relobj_incr::do_add_symbols): Count defined symbols.
	(Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
	(Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
	(Sized_incr_dynobj::do_add_symbols): Count defined symbols.
	(Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
	* incremental.h (Sized_relobj_incr::defined_count_): New data
	member.
	(Sized_incr_dynobj::defined_count_): New data member.
	* plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
	Return zeroes instead of internal error.

2011-10-10  Cary Coutant  <ccoutant@google.com>

	PR gold/13249
	* output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
	(Output_reloc::symbol_value): Return PLT offset if flag is set.
	* 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.
	* x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
	creating RELATIVE relocations.

2011-10-10  Nick Clifton  <nickc@redhat.com>

	* po/es.po: Updated Spanish translation.
	* po/fi.po: Updated Finnish translation.

2011-10-03   Diego Novillo  <dnovillo@google.com>

	* options.cc (parse_uint): Fix dereference of RETVAL.

2011-09-29  Sriraman Tallam  <tmsriram@google.com>

	* 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.

2011-09-29  Cary Coutant  <ccoutant@google.com>

	* incremental.cc (Sized_incremental_binary::do_process_got_plt):
	Check for NULL.
	* symtab.cc (Symbol_table::add_from_relobj): Ignore version
	symbols during incremental update.
	(Symbol_table::add_from_dynobj): Likewise.

2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
	    Ian Lance Taylor  <iant@google.com>

	* symtab.cc (Symbol_table::define_special_symbol): Always
	canonicalize version string.

2011-09-26  Cary Coutant  <ccoutant@google.com>

	* gold.cc (queue_initial_tasks): Move option checks ...
	* options.cc (General_options::finalize): ... to here. Disable
	some options; make others fatal.

2011-09-26  Cary Coutant  <ccoutant@google.com>

	gcc PR lto/47247
	* plugin.cc (get_symbols_v2): New function.
	(Plugin::load): Add LDPT_GET_SYMBOLS_V2.
	(is_referenced_from_outside): New function.
	(Pluginobj::get_symbol_resolution_info): Add version parameter, return
	LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
	(get_symbols): Pass version parameter.
	(get_symbols_v2): New function.
	* plugin.h (Pluginobj::get_symbol_resolution_info): Add version
	parameter.
	* testsuite/plugin_test.c (get_symbols_v2): New static variable.
	(onload): Add LDPT_GET_SYMBOLS_V2.
	(all_symbols_read_hook): Use get_symbols_v2; check for
	LDPR_PREVAILING_DEF_IRONLY_EXP.
	* testsuite/plugin_test_3.sh: Update expected results.

2011-09-23  Simon Baldwin  <simonb@google.com>

	* configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
	configuration options.
	* configure: Regenerate.
	* Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
	* Makefile.in: Regenerate.
	* testsuite/Makefile.in: Regenerate.

2011-09-19  Sriraman Tallam  <tmsriram@google.com>

	* plugin.h (should_defer_layout): Modify to check for any_claimed_.

2011-09-19  Cary Coutant  <ccoutant@google.com>

	* incremental.cc (can_incremental_update): Fix typo in comment.
	* incremental.h (can_incremental_update): Likewise.

2011-09-18  Cary Coutant  <ccoutant@google.com>

	* incremental.cc (can_incremental_update): New function.
	* incremental.h (can_incremental_update): New function.
	* layout.cc (Layout::init_fixed_output_section): Call it.
	(Layout::make_output_section): Don't allow patch space in .eh_frame.
	* object.cc (Sized_relobj_file::do_layout): Call
	can_incremental_update.

2011-09-13  Cary Coutant  <ccoutant@google.com>

	* configure.ac: Check for glibc support for gnu_indirect_function
	support with static linking, setting automake conditional
	IFUNC_STATIC.
	* Makefile.in: Regenerate.
	* configure: Regenerate.

	* testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
	(ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
	for IFUNC_STATIC.
	* testsuite/Makefile.in: Regenerate.

2011-09-13  Cary Coutant  <ccoutant@google.com>

	* incremental.cc (Sized_relobj_incr::do_layout): Call
	report_comdat_group for kept comdat sections.
	* testsuite/Makefile.am (incremental_comdat_test_1): New test.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/incr_comdat_test_1.cc: New source file.
	* testsuite/incr_comdat_test_2_v1.cc: New source file.
	* testsuite/incr_comdat_test_2_v2.cc: New source file.
	* testsuite/incr_comdat_test_2_v3.cc: New source file.

2011-09-13  Ian Lance Taylor  <iant@google.com>

	* object.cc (Sized_relobj_file::do_layout): Remove unused local
	variable external_symbols_offset.

2011-09-12  Ian Lance Taylor  <iant@google.com>

	* object.cc (Sized_relobj_file::do_layout): Remove assertion which
	triggered if object has no symbols.

2011-09-09  David S. Miller  <davem@davemloft.net>

	* output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
	(Output_fill_debug_line::do_write): Likewise.

2011-08-29  Cary Coutant  <ccoutant@google.com>

	* output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
	casts to match formatting specs.
	(Output_fill_debug_line::do_minimum_hole_size): Likewise.

2011-08-26  Cary Coutant  <ccoutant@google.com>

	* layout.cc (Free_list::allocate): Provide guarantee of minimum
	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.

2011-08-26  Nick Clifton  <nickc@redhat.com>

	* po/es.po: Updated Spanish translation.

2011-08-01  Cary Coutant  <ccoutant@google.com>

	* gold/testsuite/Makefile.am (justsyms_exec): New testcase.
	* gold/testsuite/Makefile.in: Regenerate.
	* gold/testsuite/justsyms_exec.c: New source file.
	* gold/testsuite/justsyms_lib.c: New source file.

2011-08-01  Cary Coutant  <ccoutant@google.com>

	* layout.cc (Layout::set_segment_offsets): Don't realign text
	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.

2011-07-28  Cary Coutant  <ccoutant@google.com>

	* workqueue-internal.h (Workqueue_threader::should_cancel_thread):
	Add thread_number parameter.
	(Workqueue_threader_threadpool::should_cancel_thread): Likewise.
	* workqueue-threads.cc
	(Workqueue_threader_threadpool::should_cancel_thread): Cancel
	current thread if its thread number is greater than desired thread
	count.
	* workqueue.cc (Workqueue_threader_single::should_cancel_thread):
	Add thread_number parameter.
	(Workqueue::should_cancel_thread): Likewise.
	(Workqueue::find_runnable_or_wait): Pass thread_number to
	should_cancel_thread.
	* workqueue.h (Workqueue::should_cancel_thread): Add thread_number
	parameter.

2011-07-22  Sriraman Tallam  <tmsriram@google.com>

	* 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.

2011-07-15  Ian Lance Taylor  <iant@google.com>

	* options.h (class General_options): Add --print-output-format.
	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.

2011-07-15  Ian Lance Taylor  <iant@google.com>

	* i386.cc (class Output_data_plt_i386): Add layout_ field.
	(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.

2011-07-13  Sriraman Tallam  <tmsriram@google.com>

	* 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.

2011-07-13  Ian Lance Taylor  <iant@google.com>

	* i386.cc (Target_i386::got_section): If -z now, make .got.plt a
	relro section.
	* x86_64.cc (Target_x86_64::got_section): Likewise.
	* testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
	(relro_now_test_SOURCES): New variable.
	(relro_now_test_DEPENDENCIES): New variable.
	(relro_now_test_LDFLAGS): New variable.
	(relro_now_test_LDADD): New variable.
	(relro_now_test.so): New target.
	* testsuite/Makefile.in: Rebuild.

2011-07-12  Ian Lance Taylor  <iant@google.com>

	PR gold/12980
	* 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.

2011-07-11  Ian Lance Taylor  <iant@google.com>

	PR gold/12979
	* options.h (class General_options): Add -Bgroup.
	* options.cc (General_options::finalize): If -Bgroup is set,
	default to --unresolved-symbols=report-all.
	* layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
	* target-reloc.h (issue_undefined_symbol_error): Handle
	--unresolved-symbols=report-all.

2011-07-08  Ian Lance Taylor  <iant@google.com>

	PR gold/11985
	* layout.cc (Layout::create_initial_dynamic_sections): Don't crash
	if linker script discards key sections.
	(Layout::create_dynamic_symtab): Likewise.
	(Layout::assign_local_dynsym_offsets): Likewise.
	(Layout::sized_create_version_sections): Likewise.
	(Layout::create_interp): Likewise.
	(Layout::finish_dynamic_section): Likewise.
	(Layout::set_dynamic_symbol_size): Likewise.

2011-07-08  Ian Lance Taylor  <iant@google.com>

	PR gold/12386
	* options.h (class General_options): Add --unresolved-symbols.
	* target-reloc.h (issue_undefined_symbol_error): Check
	--unresolved-symbols.  Add comments.

2011-07-08  Ian Lance Taylor  <iant@google.com>

	* testsuite/odr_violation2.cc (Ordering::operator()): Make
	expression more complex.

2011-07-08  Ian Lance Taylor  <iant@google.com>

	PR gold/11317
	* 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.

2011-07-08  Ian Lance Taylor  <iant@google.com>

	PR gold/12279
	* 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.

2011-07-08  Ian Lance Taylor  <iant@google.com>

	PR gold/12372
	* 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.

2011-07-07  Cary Coutant  <ccoutant@google.com>

	* testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
	(two_file_test_1_ndebug.o): Likewise.
	(two_file_test_1b_ndebug.o): Likewise.
	(two_file_test_2_ndebug.o): Likewise.
	(two_file_test_main_ndebug.o): Likewise.
	(incremental_test_2): Link with no-debug versions.

2011-07-06  Cary Coutant  <ccoutant@google.com>

	* gold/incremental.cc
	(Output_section_incremental_inputs::write_info_blocks): Check for
	hidden and internal symbols.

2011-07-06  Cary Coutant  <ccoutant@google.com>

	* incremental.cc (Sized_incremental_binary::do_file_has_changed):
	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.

2011-07-06  Cary Coutant  <ccoutant@google.com>

	* incremental.cc (Sized_incremental_binary::setup_readers): Pass
	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.

2011-07-06  Cary Coutant  <ccoutant@google.com>

	* incremental.cc (Sized_incremental_binary::do_check_inputs): Add
	debug output when command lines differ.

2011-07-06  Cary Coutant  <ccoutant@google.com>

	* incremental.cc (Incremental_inputs::report_command_line): Ignore
	--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.

2011-07-05  Doug Kwan  <dougkwan@google.com>

	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.

2011-07-05  Ian Lance Taylor  <iant@google.com>

	PR gold/12392
	* i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
	symbols if necessary.
	* x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.

2011-07-05  Ian Lance Taylor  <iant@google.com>

	PR gold/12952
	* resolve.cc (Symbol::override_base_with_special): Simply override
	version with special symbol version, ignoring previous version.

2011-07-05  Ian Lance Taylor  <iant@google.com>

	* object.cc (Sized_relobj_file::include_section_group): Add
	information to comment about signature location.

2011-07-02  Ian Lance Taylor  <iant@google.com>

	PR gold/12957
	* 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.

2011-07-02  Ian Lance Taylor  <iant@google.com>

	* dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.

2011-07-01  Ian Lance Taylor  <iant@google.com>

	PR gold/12525
	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.

2011-07-01  Ian Lance Taylor  <iant@google.com>

	PR gold/12525
	* options.h (class General_options): Support -z notext.
	* testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
	-Wl,-z,notext.
	(two_file_shared_nonpic.so): Likewise.
	(two_file_shared_mixed.so): Likewise.
	(two_file_shared_mixed_1.so): Likewise.
	(weak_undef_lib_nonpic.so): Likewise.
	(alt/weak_undef_lib_nonpic.so): Likewise.
	(tls_test_shared_nonpic.so): Likewise.
	* testsuite/Makefile.in: Rebuild.

2011-07-01  Ian Lance Taylor  <iant@google.com>

	PR gold/12525
	* 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.

2011-07-01  Ian Lance Taylor  <iant@google.com>

	PR gold/12525
	* 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.

2011-07-01  Ian Lance Taylor  <iant@google.com>

	PR gold/12571
	* 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.

2011-06-29  Ian Lance Taylor  <iant@google.com>

	PR gold/12629
	* object.cc (Sized_relobj_file::layout_section): Change shdr
	parameter to be const.
	(Sized_relobj_file::layout_eh_frame_section): New function, broken
	out of do_layout.
	(Sized_relobj_file::do_layout): Defer .eh_frame sections if
	appropriate.  Call layout_eh_frame_section.
	(Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
	sections.
	* object.h (class Sized_relobj_file): Update declarations.

2011-06-29  Ian Lance Taylor  <iant@google.com>

	PR gold/12652
	* script.cc (Token::integer_value): Accept trailing M/m/K/k
	modifier.
	(Lex::gather_token): Accept trailing M/m/K/k for integers.

2011-06-29  Ian Lance Taylor  <iant@google.com>

	PR gold/12675
	* object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
	SHT_X86_64_UNWIND.
	* layout.cc (Layout::layout_eh_frame): Likewise.

2011-06-29  Ian Lance Taylor  <iant@google.com>

	PR gold/12695
	* layout.cc (Layout::symtab_section_shndx): New function.
	* layout.h (class Layout): Declare symtab_section_shndx.
	* output.cc (Output_section::write_header): Call it.

2011-06-29  Ian Lance Taylor  <iant@google.com>

	PR gold/12818
	* symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
	symbols which are not used in a relocation.

2011-06-28  Ian Lance Taylor  <iant@google.com>

	PR gold/12898
	* 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.

2011-06-28  Ian Lance Taylor  <iant@google.com>

	PR gold/12934
	* 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.

2011-06-28  Ian Lance Taylor  <iant@google.com>

	* target.h (class Target): Add osabi_ field.
	(Target::osabi): New function.
	(Target::set_osabi): New function.
	(Target::Target): Initialize osabi_.
	(Target::do_adjust_elf_header): Make pure virtual.
	(Sized_target::do_adjust_elf_header): Declare.
	* target.cc (Sized_target::do_adjust_elf_header): New function.
	(class Sized_target): Instantiate all versions.
	* freebsd.h (class Target_freebsd): Remove.
	(Target_selector_freebsd::do_recognize): Call set_osabi on
	Target.
	(Target_selector_freebsd::do_recognize_by_name): Likewise.
	(Target_selector_freebsd::set_osabi): Remove.
	* i386.cc (class Target_i386): Inherit from Sized_target rather
	than Target_freebsd.
	* x86_64.cc (class Target_x86_64): Likewise.

2011-06-28  Ian Lance Taylor  <iant@google.com>

	* target.h (Target::can_check_for_function_pointers): Rewrite.
	Make non-virtual.
	(Target::can_icf_inline_merge_sections): Likewise.
	(Target::section_may_have_icf_unsafe_poineters): Likewise.
	(Target::Target_info): Add can_icf_inline_merge_sections field.
	(Target::do_can_check_for_function_pointers): New virtual
	function.
	(Target::do_section_may_have_icf_unsafe_pointers): Likewise.
	* arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
	from can_check_for_function_pointers, move in file.
	(Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
	section_may_have_icf_unsafe_poineters, move in file.
	(Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
	* i386.cc (Target_i386::do_can_check_for_function_pointers):
	Rename from can_check_for_function_pointers, move in file.
	(Target_i386::can_icf_inline_merge_sections): Remove.
	(Target_i386::i386_info): Initialize
	can_icf_inline_merge_sections.
	* powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
	Initialize can_icf_inline_merge_sections.
	* sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
	* x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
	Rename from can_check_for_function_pointers, move in file.
	(Target_x86_64::can_icf_inline_merge_sections): Remove.
	(Target_x86_64::x86_64_info): Initialize
	can_icf_inline_merge_sections.
	* testsuite/testfile.cc (Target_test::test_target_info):
	Likewise.
	* icf.cc (get_section_contents): Correct formatting.

2011-06-27  Ian Lance Taylor  <iant@google.com>

	* symtab.cc (Symbol::versioned_name): New function.
	(Symbol_table::add_to_final_symtab): Use versioned_name when
	appropriate.
	(Symbol_table::sized_write_symbol): Likewise.
	* symtab.h (class Symbol): Declare versioned_name.
	* stringpool.h (class Stringpool_template): Add variant of add
	which takes a std::basic_string.
	* testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
	(ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
	(ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
	(ver_test_12.o): New target.
	* testsuite/Makefile.in: Rebuild.

2011-06-27  Doug Kwan  <dougkwan@google.com>

	* 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.

2011-06-24  Ian Lance Taylor  <iant@google.com>

	* layout.cc: Include "object.h".
	(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.

2011-06-24  Cary Coutant  <ccoutant@google.com>

	* testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
	(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.

2011-06-24  Doug Kwan  <dougkwan@google.com>

	* 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.

2011-06-22  Ian Lance Taylor  <iant@google.com>

	PR gold/12910
	* 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.

2011-06-19  Ian Lance Taylor  <iant@google.com>

	PR gold/12880
	* 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.

2011-06-18  Ian Lance Taylor  <iant@google.com>

	* layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
	merely because a non-PT_LOAD segment has a dynamic reloc.

2011-06-18  Ian Lance Taylor  <iant@google.com>

	* layout.cc (Layout::finish_dynamic_section): Don't create
	DT_FLAGS entry if not needed.

2011-06-18  Ian Lance Taylor  <iant@google.com>

	PR gold/12745
	* layout.cc (Layout::layout_eh_frame): Correct handling of
	writable .eh_frame section.

2011-06-17  Ian Lance Taylor  <iant@google.com>

	PR gold/12893
	* resolve.cc (Symbol_table::resolve): Don't give an error if a
	symbol is redefined with the exact same object and value.

2011-06-17  Ian Lance Taylor  <iant@google.com>

	PR gold/12880
	* 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.

2011-06-17  Ian Lance Taylor  <iant@google.com>

	* object.cc (Sized_relobj_file::do_layout): Keep warning sections
	when making a shared library.

2011-06-17  Ian Lance Taylor  <iant@google.com>

	* x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
	parameter.  Change all callers.  Don't issue warning about PC32
	against locally defined symbol.

2011-06-16  Ian Lance Taylor  <iant@google.com>

	* symtab.cc (Warnings::issue_warning): Don't warn if relocation
	occurs in same object.

2011-06-14  Alan Modra  <amodra@gmail.com>

	* po/POTFILES.in: Regenerate.

2011-06-09  Ian Lance Taylor  <iant@google.com>

	* script-sections.cc
	(Orphan_output_section::set_section_addresses): For a relocatable
	link set address to 0.

2011-06-09  Cary Coutant  <ccoutant@google.com>

	PR gold/12804
	* 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.

2011-06-08  Cary Coutant  <ccoutant@google.com>

	PR gold/12804
	* testsuite/two_file_test_2_v1.cc: Change initialization of
	v2 to keep it in .data.

2011-06-07  Cary Coutant  <ccoutant@google.com>

	* common.cc (Symbol_table::do_allocate_commons_list): Call
	gold_fallback.
	* errors.cc (Errors::fatal): Adjust call to gold_exit.
	(Errors::fallback): New function.
	(gold_fallback): New function.
	* errors.h (Errors::fallback): New function.
	* gold.cc (gold_exit): Change status parameter to enum; adjust
	all callers.
	(queue_initial_tasks): Call gold_fallback.
	* gold.h: Include cstdlib.
	(Exit_status): New enum type.
	(gold_exit): Change status parameter to enum.
	(gold_fallback): New function.
	* layout.cc (Layout::set_section_offsets): Call gold_fallback.
	(Layout::create_symtab_sections): Likewise.
	(Layout::create_shdrs): Likewise.
	* main.cc (main): Adjust call to gold_exit.
	* output.cc (Output_data_got::add_got_entry): Call gold_fallback.
	(Output_data_got::add_got_entry_pair): Likewise.
	(Output_section::add_input_section): Likewise.
	(Output_section::add_output_section_data): Likewise.
	(Output_segment::set_section_list_addresses): Likewise.
	* x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.

2011-06-07  Cary Coutant  <ccoutant@google.com>

	* layout.cc (Layout::set_segment_offsets): Don't adjust layout
	for incremental links.
	* output.cc (Output_segment::set_section_list_addresses): Remove
	FIXME and test for TLS or BSS.

2011-06-07  Cary Coutant  <ccoutant@google.com>

	* testsuite/Makefile.am: Add incremental_copy_test,
	incremental_common_test_1.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/common_test_1_v1.c: New source file.
	* testsuite/common_test_1_v2.c: New source file.
	* testsuite/copy_test_v1.cc: New source file.

2011-06-07  Cary Coutant  <ccoutant@google.com>

	* common.cc (Symbol_table::do_allocate_commons_list): For incremental
	update, allocate common from bss section's free list.
	* incremental-dump.cc (dump_incremental_inputs): Print flag for
	linker-defined symbols.
	* incremental.cc (Sized_incremental_binary::do_process_got_plt):
	Skip GOT and PLT entries that are no longer referenced.
	(Output_section_incremental_inputs::write_info_blocks): Mark
	linker-defined symbols.
	(Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
	* output.cc (Output_section::allocate): New function.
	* output.h (Output_section::allocate): New function.
	* resolve.cc (Symbol_table::report_resolve_problem): Add case for
	linker-defined symbols.
	(Symbol::override_base_with_special): Copy is_predefined_ flag.
	* symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
	(Symbol::init_base_output_data): Likewise.
	(Symbol::init_base_output_segment): Likewise.
	(Symbol::init_base_constant): Likewise.
	(Sized_symbol::init_output_data): Likewise.
	(Sized_symbol::init_output_segment): Likewise.
	(Sized_symbol::init_constant): Likewise.
	(Symbol_table::do_define_in_output_data): Likewise.
	(Symbol_table::do_define_in_output_segment): Likewise.
	(Symbol_table::do_define_as_constant): Likewise.
	* symtab.h (Symbol::is_predefined): New function.
	(Symbol::init_base_output_data): Add is_predefined parameter.
	(Symbol::init_base_output_segment): Likewise.
	(Symbol::init_base_constant): Likewise.
	(Symbol::is_predefined_): New data member.
	(Sized_symbol::init_output_data): Add is_predefined parameter.
	(Sized_symbol::init_output_segment): Likewise.
	(Sized_symbol::init_constant): Likewise.
	(enum Symbol_table::Defined): Add INCREMENTAL_BASE.

2011-06-07  Cary Coutant  <ccoutant@google.com>

	* copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
	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.

2011-06-02  Cary Coutant  <ccoutant@google.com>

	PR gold/12163
	* 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.

2011-06-02  Nick Clifton  <nickc@redhat.com>

	* dynobj.h: Fix spelling mistake in comment.
	* output.cc: Likewise.

2011-05-31  Doug Kwan  <dougkwan@google.com>
	    Asier Llano

	PR gold/12826
	* arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
	arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
	* testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
	redundant arm_exidx_test.so.
	* testsuite/Makefile.in: Regenerate.
	(check_SCRIPTS): Add pr12826.sh
	(check_DATA): Add pr12826.stdout
	(pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
	* testsuite/pr12826.sh: New file.
	* testsuite/pr12826_1.s: Ditto.
	* testsuite/pr12826_1.s: Ditto.

2011-05-30  Ian Lance Taylor  <iant@google.com>

	* reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
	sections.

2011-05-29  Ian Lance Taylor  <iant@google.com>

	PR gold/12804
	* testsuite/Makefile.am: Use different file name for two_file_test
	temporary file for each incremental test.
	* testsuite/Makefile.in: Rebuild.

2011-05-29  Ian Lance Taylor  <iant@google.com>

	* binary.cc (Binary_to_elf::sized_convert): Don't crash if the
	binary input file is empty.

2011-05-27  Ian Lance Taylor  <iant@google.com>

	* testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
	(ver_test_9.so): Likewise.
	* testsuite/Makefile.in: Rebuild.

2011-05-26 Cary Coutant  <ccoutant@google.com>

	* incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
	* incremental.cc (Incremental_inputs::report_input_section): Fix
	comment, indentation.
	(Incremental_inputs::report_comdat_group): New function.
	(Output_section_incremental_inputs::set_final_data_size): Adjust size
	of data for incremental input file entry.
	(Output_section_incremental_inputs::write_info_blocks): Write COMDAT
	group count, COMDAT group signatures.
	(Sized_incr_relobj::do_layout): Record kept COMDAT group info from
	an unchanged input file.
	* incremental.h (Incremental_object_entry::Incremental_object_entry):
	Initialize new data member.
	(Incremental_object_entry::add_comdat_group): New function.
	(Incremental_object_entry::get_comdat_group_count): New function.
	(Incremental_object_entry::get_comdat_signature_key): New function.
	(Incremental_object_entry::groups_): New data member.
	(Incremental_inputs::report_comdat_group): New function.
	(Incremental_input_entry_reader::get_symbol_offset): Adjust size of
	data for incremental input file entry.
	(Incremental_input_entry_reader::get_comdat_group_count): New function.
	(Incremental_input_entry_reader::get_input_section): Adjust size of
	data for incremental input file entry.
	(Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
	(Incremental_input_entry_reader::get_comdat_group_signature): New
	function.
	* object.cc (Sized_relobj::include_section_group): Report kept
	COMDAT groups for incremental links.

2011-05-24  David Meyer  <pdox@google.com>

	* dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
	with name parameter.  Add found_name parameter.
	* fileread.cc (Input_file::find_file): Adjust code accordingly.
	* dirsearch.h (class Dirsearch): Update declaration.

2011-05-24  Ian Lance Taylor  <iant@google.com>

	* archive.cc (Library_base::should_include_member): Pull in object
	from archive if it defines the entry symbol.
	* parameters.cc (Parameters::entry): New function.
	* parameters.h (class Parameters): Declare entry.
	* output.h (class Output_file_header): Remove entry_ field.
	* output.cc (Output_file_header::Output_file_header): Remove entry
	parameter.  Change all callers.
	(Output_file_header::entry): Use parameters->entry.
	* gold.cc (queue_middle_tasks): Likewise.
	* plugin.cc (Plugin_hook::run): Likewise.

2011-05-24 Cary Coutant  <ccoutant@google.com>

	* gold.cc (queue_initial_tasks): Pass incremental base filename
	to Output_file::open_base_file; don't print error message.
	* incremental-dump.cc (main): Adjust call to
	Output_file::open_for_modification.
	* incremental-dump.cc (main): Likewise.
	* incremental.cc (Incremental_inputs::report_command_line):
	Ignore --incremental-base option when comparing command lines.
	Ignore parameter when given as separate argument.
	* options.h (class General_options): Add --incremental-base.
	* output.cc (Output_file::Output_file):
	(Output_file::open_base_file): Add base_name and writable parameters;
	read base file into new file; print error message here.
	(Output_file::map_no_anonymous): Add writable parameter; adjust all
	callers.
	* output.h (Output_file::open_for_modification): Rename to...
	(Output_file::open_base_file): ...this; add base_name and
	writable parameters; adjust all callers.
	(Output_file::map_no_anonymous): Add writable parameter; adjust all
	callers.
	* testsuite/Makefile.am (incremental_test_4): Test
	--incremental-base.
	* testsuite/Makefile.in: Regenerate.

2011-05-24 Cary Coutant  <ccoutant@google.com>

	* testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
	incremental_test_4.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/two_file_test_1_v1.cc: New test source file.
	* testsuite/two_file_test_1b_v1.cc: New test source file.
	* testsuite/two_file_test_2_v1.cc: New test source file.

2011-05-24 Cary Coutant  <ccoutant@google.com>

	* dynobj.h (Dynobj::do_dynobj): New function.
	* incremental-dump.cc (dump_incremental_inputs): Print as_needed
	flag and soname for shared objects.
	* incremental.cc (Incremental_inputs::report_object): Make
	either Incremental_object_entry or Incremental_dynobj_entry; add
	soname to string table.
	(Incremental_inputs::report_input_section): Add assertion.
	(Output_section_incremental_inputs::set_final_data_size): Adjust
	type of input file entry for shared libraries; adjust size of
	shared library info entry.
	(Output_section_incremental_inputs::write_input_files): Write
	as_needed flag for shared libraries.
	(Output_section_incremental_inputs::write_info_blocks): Adjust type
	of input file entry for shared libraries; write soname.
	(Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
	soname from incremental info.
	* incremental.h (enum Incremental_input_flags): Add
	INCREMENTAL_INPUT_AS_NEEDED.
	(Incremental_input_entry::Incremental_input_entry): Initialize new
	data member.
	(Incremental_input_entry::set_as_needed): New function.
	(Incremental_input_entry::as_needed): New function.
	(Incremental_input_entry::do_dynobj_entry): New function.
	(Incremental_input_entry::as_needed_): New data member.
	(Incremental_object_entry::Incremental_object_entry): Don't check
	for shared library.
	(Incremental_object_entry::do_type): Likewise.
	(class Incremental_dynobj_entry): New class.
	(Incremental_input_entry_reader::as_needed): New function.
	(Incremental_input_entry_reader::get_soname): New function.
	(Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
	(Incremental_input_entry_reader::get_output_symbol_index): Adjust
	size of shared library info entry.
	* layout.cc (Layout::finish_dynamic_section): Don't test for
	incremental link when adding DT_NEEDED entries.
	* object.h (Object::Object): Initialize new data member.
	(Object::dynobj): New function.
	(Object::set_as_needed): New function.
	(Object::as_needed): New function.
	(Object::do_dynobj): New function.
	(Object::as_needed_): New data member.

2011-05-24 Cary Coutant  <ccoutant@google.com>

	* incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
	info; adjust display of GOT entries.
	* incremental.cc (Sized_incremental_binary::setup_readers): Allocate
	vector of input objects; remove file_status_.
	(Sized_incremental_binary::do_reserve_layout): Remove file_status_.
	(Sized_incremental_binary::do_process_got_plt): Adjust calls to
	got_plt reader; call target hooks to reserve GOT entries.
	(Output_section_incremental_inputs::set_final_data_size): Adjust size
	of input file info header and GOT info entry.
	(Output_section_incremental_inputs::write_info_blocks): Write dynamic
	relocation info.
	(Got_plt_view_info::got_descriptor): Remove.
	(Got_plt_view_info::sym_index): New data member.
	(Got_plt_view_info::input_index): New data member.
	(Local_got_offset_visitor::visit): Write input file index.
	(Global_got_offset_visitor::visit): Write 0 for input file index.
	(Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
	with sym_index and input_index.
	(Output_section_incremental_inputs::write_got_plt): Adjust size of
	incremental info GOT entry; replace got_descriptor with input_index.
	(Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
	map from input file index to object.
	(Sized_relobj_incr::do_layout): Replace direct data member reference
	with accessor function.
	(Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
	* incremental.h (Incremental_input_entry_reader::get_symbol_offset):
	Adjust size of input file info header.
	(Incremental_input_entry_reader::get_first_dyn_reloc): New function.
	(Incremental_input_entry_reader::get_dyn_reloc_count): New function.
	(Incremental_input_entry_reader::get_input_section): Adjust size of
	input file info header.
	(Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
	of incremental info GOT entry.
	(Incremental_got_plt_reader::get_got_desc): Remove.
	(Incremental_got_plt_reader::get_got_symndx): New function.
	(Incremental_got_plt_reader::get_got_input_index): New function.
	(Sized_incremental_binary::Sized_incremental_binary): Remove
	file_status_; add input_objects_.
	(Sized_incremental_binary::~Sized_incremental_binary): Remove.
	(Sized_incremental_binary::set_file_is_unchanged): Remove.
	(Sized_incremental_binary::file_is_unchanged): Remove.
	(Sized_incremental_binary::set_input_object): New function.
	(Sized_incremental_binary::input_object): New function.
	(Sized_incremental_binary::file_status_): Remove.
	(Sized_incremental_binary::input_objects_): New data member.
	(Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
	references.
	(Sized_relobj_incr::invalid_address): Move to base class.
	(Sized_relobj_incr::is_output_section_offset_invalid): Move to base
	class.
	(Sized_relobj_incr::do_output_section_offset): Likewise.
	(Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
	(Sized_relobj_incr::section_offsets_): Likewise.
	* object.cc (Sized_relobj::do_for_all_local_got_entries): New
	function.
	(Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
	(Sized_relobj_file::layout_section): Replace refs to section_offsets_
	with accessor function.
	(Sized_relobj_file::do_layout): Likewise.
	(Sized_relobj_file::do_layout_deferred_sections): Likewise.
	(Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
	(Sized_relobj_file::compute_final_local_value): Replace refs to
	section_offsets_ with accessor function.
	(Sized_relobj_file::do_finalize_local_symbols): Likewise.
	* object.h (Relobj::Relobj): Initialize new data members.
	(Relobj::add_dyn_reloc): New function.
	(Relobj::first_dyn_reloc): New function.
	(Relobj::dyn_reloc_count): New function.
	(Relobj::first_dyn_reloc_): New data member.
	(Relobj::dyn_reloc_count_): New data member.
	(Sized_relobj): Rename Sized_relobj_base to this; adjust all
	references.
	(Sized_relobj::Address): New typedef.
	(Sized_relobj::invalid_address): Move here from child class.
	(Sized_relobj::Sized_relobj): Initialize new data members.
	(Sized_relobj::sized_relobj): New function.
	(Sized_relobj::is_output_section_offset_invalid): Move here from
	child class.
	(Sized_relobj::get_output_section_offset): Likewise.
	(Sized_relobj::local_has_got_offset): Likewise.
	(Sized_relobj::local_got_offset): Likewise.
	(Sized_relobj::set_local_got_offset): Likewise.
	(Sized_relobj::do_for_all_local_got_entries): Likewise.
	(Sized_relobj::clear_got_offsets): New function.
	(Sized_relobj::section_offsets): Move here from child class.
	(Sized_relobj::do_output_section_offset): Likewise.
	(Sized_relobj::do_set_section_offset): Likewise.
	(Sized_relobj::Local_got_offsets): Likewise.
	(Sized_relobj::local_got_offsets_): Likewise.
	(Sized_relobj::section_offsets_): Likewise.
	(Sized_relobj_file): Rename Sized_relobj to this; adjust all
	references.
	(Sized_relobj_file::is_output_section_offset_invalid): Move to base
	class.
	(Sized_relobj_file::sized_relobj): New function
	(Sized_relobj_file::local_has_got_offset): Move to base class.
	(Sized_relobj_file::local_got_offset): Likewise.
	(Sized_relobj_file::set_local_got_offset): Likewise.
	(Sized_relobj_file::get_output_section_offset): Likewise.
	(Sized_relobj_file::do_for_all_local_got_entries): Likewise.
	(Sized_relobj_file::do_output_section_offset): Likewise.
	(Sized_relobj_file::do_set_section_offset): Likewise.
	(Sized_relobj_file::Local_got_offsets): Likewise.
	(Sized_relobj_file::local_got_offsets_): Likewise.
	(Sized_relobj_file::section_offsets_): Likewise.
	* output.cc (Output_reloc::Output_reloc): Adjust type of relobj
	(all constructors).
	(set_needs_dynsym_index): Convert relobj to derived class pointer.
	(Output_reloc::get_symbol_index): Likewise.
	(Output_reloc::local_section_offset): Likewise.
	(Output_reloc::get_address): Likewise.
	(Output_reloc::symbol_value): Likewise.
	(Output_data_got::reserve_slot): Move to class definition.
	(Output_data_got::reserve_local): New function.
	(Output_data_got::reserve_slot_for_global): Remove.
	(Output_data_got::reserve_global): New function.
	* output.h (Output_reloc::Output_reloc): Adjust type of relobj
	(all constructors, two instantiations).
	(Output_reloc::get_relobj): New function (two instantiations).
	(Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
	(Output_data_reloc_base::add): Convert relobj to derived class pointer.
	(Output_data_reloc::add_global): Adjust type of relobj.
	(Output_data_reloc::add_global_relative): Likewise.
	(Output_data_reloc::add_symbolless_global_addend): Likewise.
	(Output_data_reloc::add_local): Likewise.
	(Output_data_reloc::add_local_relative): Likewise.
	(Output_data_reloc::add_symbolless_local_addend): Likewise.
	(Output_data_reloc::add_local_section): Likewise.
	(Output_data_reloc::add_output_section): Likewise.
	(Output_data_reloc::add_absolute): Likewise.
	(Output_data_reloc::add_target_specific): Likewise.
	(Output_data_got::reserve_slot): Move definition here.
	(Output_data_got::reserve_local): New function.
	(Output_data_got::reserve_global): New function.
	* reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
	section_offsets_ with accessor function.
	(Sized_relobj_file::write_sections): Likewise.
	(Sized_relobj_file::do_relocate_sections): Likewise.
	* target.h (Sized_target::reserve_local_got_entry): New function.
	(Sized_target::reserve_global_got_entry): New function.
	* x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
	(Target_x86_64::reserve_global_got_entry): New function.
	(Target_x86_64::init_got_plt_for_update): Create rela_dyn section.

2011-05-23 Cary Coutant  <ccoutant@google.com>

	* gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
	* incremental-dump.cc (dump_incremental_inputs): Mask high-order
	bit when checking got_type.
	* incremental.cc (Sized_incremental_binary::setup_readers):
	Store symbol table and string table locations; initialize bit vector
	of file status flags.
	(Sized_incremental_binary::do_reserve_layout): Set bit flag for
	unchanged files.
	(Sized_incremental_binary::do_process_got_plt): New function.
	(Sized_incremental_binary::get_symtab_view): Use stored locations.
	(Output_section_incremental_inputs::set_final_data_size): Record
	file index for each input file.
	(Output_section_incremental_inputs::write_got_plt): Store file index
	instead of input entry offset for each GOT entry.
	* incremental.h
	(Incremental_input_entry::Incremental_input_entry): Initialize new
	data member.
	(Incremental_input_entry::set_offset): Store file index.
	(Incremental_input_entry::get_file_index): New function.
	(Incremental_input_entry::file_index_): New data member.
	(Incremental_binary::process_got_plt): New function.
	(Incremental_binary::do_process_got_plt): New function.
	(Sized_incremental_binary::Sized_incremental_binary): Initialize new
	data members.
	(Sized_incremental_binary::~Sized_incremental_binary): New destructor.
	(Sized_incremental_binary::set_file_is_unchanged): New function.
	(Sized_incremental_binary::file_is_unchanged): New function.
	(Sized_incremental_binary::do_process_got_plt): New function.
	(Sized_incremental_binary::file_status_): New data member.
	(Sized_incremental_binary::main_symtab_loc_): New data member.
	(Sized_incremental_binary::main_strtab_loc_): New data member.
	* output.cc (Output_data_got::Got_entry::write): Add case
	RESERVED_CODE.
	(Output_data_got::add_global): Call add_got_entry.
	(Output_data_got::add_global_plt): Likewise.
	(Output_data_got::add_global_with_rel): Likewise.
	(Output_data_got::add_global_with_rela): Likewise.
	(Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
	(Output_data_got::add_global_pair_with_rela): Likewise.
	(Output_data_got::add_local): Call add_got_entry.
	(Output_data_got::add_local_plt): Likewise.
	(Output_data_got::add_local_with_rel): Likewise.
	(Output_data_got::add_local_with_rela): Likewise.
	(Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
	(Output_data_got::add_local_pair_with_rela): Likewise.
	(Output_data_got::reserve_slot): New function.
	(Output_data_got::reserve_slot_for_global): New function.
	(Output_data_got::add_got_entry): New function.
	(Output_data_got::add_got_entry_pair): New function.
	(Output_section::add_output_section_data): Edit FIXME.
	* output.h
	(Output_section_data_build::Output_section_data_build): New
	constructor with size parameter.
	(Output_data_space::Output_data_space): Likewise.
	(Output_data_got::Output_data_got): Initialize new data member; new
	constructor with size parameter.
	(Output_data_got::add_constant): Call add_got_entry.
	(Output_data_got::reserve_slot): New function.
	(Output_data_got::reserve_slot_for_global): New function.
	(class Output_data_got::Got_entry): Add RESERVED_CODE.
	(Output_data_got::add_got_entry): New function.
	(Output_data_got::add_got_entry_pair): New function.
	(Output_data_got::free_list_): New data member.
	* target.h (Sized_target::init_got_plt_for_update): New function.
	(Sized_target::register_global_plt_entry): New function.
	* x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
	Initialize new data member; call init; add constructor with PLT count.
	(Output_data_plt_x86_64::init): New function.
	(Output_data_plt_x86_64::add_relocation): New function.
	(Output_data_plt_x86_64::reserve_slot): New function.
	(Output_data_plt_x86_64::free_list_): New data member.
	(Target_x86_64::init_got_plt_for_update): New function.
	(Target_x86_64::register_global_plt_entry): New function.
	(Output_data_plt_x86_64::add_entry): Allocate from free list for
	incremental updates.
	(Output_data_plt_x86_64::add_relocation): New function.
	* testsuite/object_unittest.cc (Object_test): Set default options.

2011-05-16  Ian Lance Taylor  <iant@google.com>

	* options.h (class General_options): Make -i a synonym for -r.

2011-05-16  Ian Lance Taylor  <iant@google.com>

	* testsuite/tls_test_main.cc: Use semaphores instead of mutexes.

2011-05-10 Cary Coutant  <ccoutant@google.com>

	* object.cc (Sized_relobj::do_count_local_symbols): Check for
	strip_all (-s).

2011-05-06  Ian Lance Taylor  <iant@google.com>

	* layout.cc (Layout::layout): If the output section flags change,
	update the ordering.

2011-04-25 Cary Coutant  <ccoutant@google.com>

	* incremental-dump.cc (dump_incremental_inputs): Print local
	symbol info for each input file.
	* incremental.cc
	(Output_section_incremental_inputs::set_final_data_size): Add local
	symbol info to input file entries in incremental info.
	(Output_section_incremental_inputs::write_info_blocks): Likewise.
	(Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
	(Sized_incr_relobj::do_add_symbols): Cosmetic change.
	(Sized_incr_relobj::do_count_local_symbols): Replace stub with
	implementation.
	(Sized_incr_relobj::do_finalize_local_symbols): Likewise.
	(Sized_incr_relobj::do_relocate): Write the local symbols.
	(Sized_incr_dynobj::do_add_symbols): Cosmetic change.
	* incremental.h (Incremental_inputs_reader::get_symbol_offset):
	Adjust size of input file header.
	(Incremental_inputs_reader::get_local_symbol_offset): New function.
	(Incremental_inputs_reader::get_local_symbol_count): New function.
	(Incremental_inputs_reader::get_input_section): Adjust size of input
	file header.
	(Incremental_inputs_reader::get_global_symbol_reader): Likewise.
	(Sized_incr_relobj::This): New typedef.
	(Sized_incr_relobj::sym_size): New const data member.
	(Sized_incr_relobj::Local_symbol): New struct.
	(Sized_incr_relobj::do_output_local_symbol_count): New function.
	(Sized_incr_relobj::do_local_symbol_offset): New function.
	(Sized_incr_relobj::local_symbol_count_): New data member.
	(Sized_incr_relobj::output_local_dynsym_count_): New data member.
	(Sized_incr_relobj::local_symbol_index_): New data member.
	(Sized_incr_relobj::local_symbol_offset_): New data member.
	(Sized_incr_relobj::local_dynsym_offset_): New data member.
	(Sized_incr_relobj::local_symbols_): New data member.
	* object.h (Relobj::output_local_symbol_count): New function.
	(Relobj::local_symbol_offset): New function.
	(Relobj::do_output_local_symbol_count): New function.
	(Relobj::do_local_symbol_offset): New function.
	(Sized_relobj::do_output_local_symbol_count): New function.
	(Sized_relobj::do_local_symbol_offset): New function.

2011-04-22  Vladimir Simonov  <sv@sw.ru>

	* descriptors.cc (set_close_on_exec): New function.
	(Descriptors::open): Use set_close_on_exec.
	* output.cc (S_ISLNK): Define if not defined.

2011-04-22 Cary Coutant  <ccoutant@google.com>

	* incremental.cc (Sized_incremental_binary::setup_readers): Allocate
	global symbol map.
	(Sized_incremental_binary::do_apply_incremental_relocs): New function.
	(Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
	(Sized_incr_relobj::do_relocate): Remap section indices in incremental
	relocations.
	(Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
	(Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
	(Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
	* incremental.h
	(Incremental_inputs_reader::global_symbol_reader_at_offset): New
	function.
	(Incremental_binary::apply_incremental_relocs): New function.
	(Incremental_binary::do_apply_incremental_relocs): New function.
	(Sized_incremental_binary::Sized_incremental_binary): Initialize new
	data member.
	(Sized_incremental_binary::add_global_symbol): New function.
	(Sized_incremental_binary::global_symbol): New function.
	(Sized_incremental_binary::do_apply_incremental_relocs): New function.
	(Sized_incremental_binary::symbol_map_): New data member.
	* layout.cc (Layout_task_runner::run): Apply incremental relocations.
	* target.h (Sized_target::apply_relocation): New function.
	* target-reloc.h (apply_relocation): New function.
	* x86_64.cc (Target_x86_64::apply_relocation): New function.

2011-04-22  Doug Kwan  <dougkwan@google.com>

	* arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
	flag of a SHT_ARM_EXIDX section.
	* testsuite/Makefile.am (arm_exidx_test): New test rules.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/arm_exidx_test.s: New file.
	* testsuite/arm_exidx_test.sh: Same.

2011-04-20 Cary Coutant  <ccoutant@google.com>

	PR gold/12689
	* archive.h (Incremental_archive_entry::Archive_member):
	Initialize arg_serial_ (second constructor).

2011-04-17  Ian Lance Taylor  <iant@google.com>

	* object.cc (Relocate_info::location): Simplify location string.
	* errors.cc (Errors::error_at_location): Don't print program
	name.
	(Errors::warning_at_location): Likewise.
	(Errors::undefined_symbol): Likewise.
	* testsuite/debug_msg.sh: Update accordingly.

2011-04-14 Cary Coutant  <ccoutant@google.com>

	* gold/layout.cc (Layout::symtab_section_offset): New function.
	* gold/layout.h (Layout::symtab_section_offset): New function.
	* gold/reloc.cc (Sized_relobj::do_relocate): Call it.

2011-04-12  Ian Lance Taylor  <iant@google.com>

	* configure.ac: Check for sys/mman.h and mmap.  Check for mremap
	with MREMAP_MAYMOVE.
	* output.h (class Output_file): Add map_is_allocated_ field.
	* output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
	not available, provide stubs.  If mremap is not available, #define
	it to gold_mremap.
	(MREMAP_MAYMOVE): Define if not defined.
	(Output_file::Output_file): Initialize map_is_allocated_.
	(Output_file::resize): Check map_is_allocated_.
	(Output_file::map_anonymous): If mmap fails, use malloc.
	(Output_file::unmap): Don't do anything for an anonymous map.
	* fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
	is not available, provide stubs.
	(File_read::View::~View): Use free rather than delete[].
	(File_read::make_view): Use malloc rather than new[].  If mmap
	fails, use malloc.
	(File_read::find_or_make_view): Use malloc rather than new[].
	* gold.h: Remove HAVE_REMAP code.
	* mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
	exists.  Rename mremap to gold_mremap.  If mmap is not available
	don't do anything.
	* configure, config.in: Rebuild.

2011-04-11  Ian Lance Taylor  <iant@google.com>

	* incremental.cc (Sized_incr_relobj::do_add_symbols): Always
	initialize local variable v.

2011-04-11  Cary Coutant  <ccoutant@google.com>

	* archive.cc (Archive::include_member): Adjust call to
	report_object.
	(Add_archive_symbols::run): Track argument serial numbers.
	(Lib_group::include_member): Likewise.
	(Add_lib_group_symbols::run): Adjust call to report_archive_begin.
	* archive.h (Incremental_archive_entry::Archive_member):
	Initialize arg_serial_.
	(Archive_member::arg_serial_): New data member.
	* dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
	(Sized_dynobj::do_add_symbols): Track symbols when doing an
	incremental link.
	(Sized_dynobj::do_for_all_local_got_entries): New function.
	* dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
	function.
	* fileread.cc (get_mtime): New function.
	* fileread.h (get_mtime): New function.
	* gold.cc (queue_initial_tasks): Check for incremental update.
	(process_incremental_input): New function.
	(queue_middle_tasks): Don't force valid target for incremental
	update.
	* incremental-dump.cc (find_input_containing_global): Adjust
	size of symbol info entry.
	(dump_incremental_inputs): Dump argument serial number and
	in_system_directory flag; bias shndx by 1; print symbol names
	when dumping per-file symbol lists; use new symbol info readers.
	* incremental.cc
	(Output_section_incremental_inputs:update_data_size): New function.
	(Sized_incremental_binary::setup_readers): Setup input readers
	for each input file; build maps for files added from libraries
	and scripts.
	(Sized_incremental_binary::check_input_args): New function.
	(Sized_incremental_binary::do_check_inputs): Build map of argument
	serial numbers to input arguments.
	(Sized_incremental_binary::do_file_has_changed): Rename
	do_file_is_unchanged to this; compare file modification times.
	(Sized_incremental_binary::do_init_layout): New function.
	(Sized_incremental_binary::do_reserve_layout): New function.
	(Sized_incremental_binary::do_get_input_reader): Remove.
	(Sized_incremental_binary::get_symtab_view): New function.
	(Incremental_checker::can_incrementally_link_output_file): Remove.
	(Incremental_inputs::report_command_line): Exclude --debug options.
	(Incremental_inputs::report_archive_begin): Add parameter; track
	argument serial numbers; don't put input file entry for archive
	before archive members.
	(Incremental_inputs::report_archive_end): Put input file entry
	for archive after archive members.
	(Incremental_inputs::report_object): Add parameter; track argument
	serial numbers and in_system_directory flag.
	(Incremental_inputs::report_script): Add parameter; track argument
	serial numbers.
	(Output_section_incremental_inputs::set_final_data_size): Adjust
	size of symbol info entry; check for forwarding symbols.
	(Output_section_incremental_inputs::write_input_files): Write
	in_system_directory flag and argument serial number.
	(Output_section_incremental_inputs::write_info_blocks): Map section
	indices between incremental info and original input file; store
	input section index for each symbol.
	(class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
	change operator() to visit().
	(class Global_got_offset_visitor): Likewise.
	(class Global_symbol_visitor_got_plt):
	(Output_section_incremental_inputs::write_got_plt): Use new visitor
	classes.
	(Sized_incr_relobj::Sized_incr_relobj): New constructor.
	(Sized_incr_relobj::do_read_symbols): New function.
	(Sized_incr_relobj::do_layout): New function.
	(Sized_incr_relobj::do_layout_deferred_sections): New function.
	(Sized_incr_relobj::do_add_symbols): New function.
	(Sized_incr_relobj::do_should_include_member): New function.
	(Sized_incr_relobj::do_for_all_global_symbols): New function.
	(Sized_incr_relobj::do_for_all_local_got_entries): New function.
	(Sized_incr_relobj::do_section_size): New function.
	(Sized_incr_relobj::do_section_name): New function.
	(Sized_incr_relobj::do_section_contents): New function.
	(Sized_incr_relobj::do_section_flags): New function.
	(Sized_incr_relobj::do_section_entsize): New function.
	(Sized_incr_relobj::do_section_address): New function.
	(Sized_incr_relobj::do_section_type): New function.
	(Sized_incr_relobj::do_section_link): New function.
	(Sized_incr_relobj::do_section_info): New function.
	(Sized_incr_relobj::do_section_addralign): New function.
	(Sized_incr_relobj::do_initialize_xindex): New function.
	(Sized_incr_relobj::do_get_global_symbol_counts): New function.
	(Sized_incr_relobj::do_read_relocs): New function.
	(Sized_incr_relobj::do_gc_process_relocs): New function.
	(Sized_incr_relobj::do_scan_relocs): New function.
	(Sized_incr_relobj::do_count_local_symbols): New function.
	(Sized_incr_relobj::do_finalize_local_symbols): New function.
	(Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
	(Sized_incr_relobj::do_set_local_dynsym_offset): New function.
	(Sized_incr_relobj::do_relocate): New function.
	(Sized_incr_relobj::do_set_section_offset): New function.
	(Sized_incr_dynobj::Sized_incr_dynobj): New function.
	(Sized_incr_dynobj::do_read_symbols): New function.
	(Sized_incr_dynobj::do_layout): New function.
	(Sized_incr_dynobj::do_add_symbols): New function.
	(Sized_incr_dynobj::do_should_include_member): New function.
	(Sized_incr_dynobj::do_for_all_global_symbols): New function.
	(Sized_incr_dynobj::do_for_all_local_got_entries): New function.
	(Sized_incr_dynobj::do_section_size): New function.
	(Sized_incr_dynobj::do_section_name): New function.
	(Sized_incr_dynobj::do_section_contents): New function.
	(Sized_incr_dynobj::do_section_flags): New function.
	(Sized_incr_dynobj::do_section_entsize): New function.
	(Sized_incr_dynobj::do_section_address): New function.
	(Sized_incr_dynobj::do_section_type): New function.
	(Sized_incr_dynobj::do_section_link): New function.
	(Sized_incr_dynobj::do_section_info): New function.
	(Sized_incr_dynobj::do_section_addralign): New function.
	(Sized_incr_dynobj::do_initialize_xindex): New function.
	(Sized_incr_dynobj::do_get_global_symbol_counts): New function.
	(make_sized_incremental_object): New function.
	(Incremental_library::copy_unused_symbols): New function.
	(Incremental_library::do_for_all_unused_symbols): New function.
	* incremental.h (enum Incremental_input_flags): New type.
	(class Incremental_checker): Remove.
	(Incremental_input_entry::Incremental_input_entry): Add argument
	serial number.
	(Incremental_input_entry::arg_serial): New function.
	(Incremental_input_entry::set_is_in_system_directory): New function.
	(Incremental_input_entry::is_in_system_directory): New function.
	(Incremental_input_entry::arg_serial_): New data member.
	(Incremental_input_entry::is_in_system_directory_): New data member.
	(class Script_info): Move here from script.h.
	(Script_info::Script_info): Add filename parameter.
	(Script_info::filename): New function.
	(Script_info::filename_): New data member.
	(Incremental_script_entry::Incremental_script_entry): Add argument
	serial number.
	(Incremental_object_entry::Incremental_object_entry): Likewise.
	(Incremental_object_entry::add_input_section): Build list of input
	sections with map to original shndx.
	(Incremental_object_entry::get_input_section_index): New function.
	(Incremental_object_entry::shndx_): New data member.
	(Incremental_object_entry::name_key_): Rename; adjust all refs.
	(Incremental_object_entry::sh_size_): Rename; adjust all refs.
	(Incremental_archive_entry::Incremental_archive_entry): Add argument
	serial number.
	(Incremental_inputs::report_archive_begin): Likewise.
	(Incremental_inputs::report_object): Likewise.
	(Incremental_inputs::report_script): Likewise.
	(class Incremental_global_symbol_reader): New class.
	(Incremental_input_entry_reader::Incremental_input_entry_reader): Read
	and store flags and input file type.
	(Incremental_input_entry_reader::arg_serial): New function.
	(Incremental_input_entry_reader::type): Extract type from flags.
	(Incremental_input_entry_reader::is_in_system_directory): New function.
	(Incremental_input_entry_reader::get_input_section_count): Call
	accessor function for type.
	(Incremental_input_entry_reader::get_symbol_offset): Call accessor
	function for type; adjust size of global symbol entry.
	(Incremental_input_entry_reader::get_global_symbol_count): Call
	accessor function for type.
	(Incremental_input_entry_reader::get_object_count): Likewise.
	(Incremental_input_entry_reader::get_object_offset): Likewise.
	(Incremental_input_entry_reader::get_member_count): Likewise.
	(Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
	(Incremental_input_entry_reader::get_member_offset): Likewise.
	(Incremental_input_entry_reader::get_unused_symbol): Likewise.
	(Incremental_input_entry_reader::Global_symbol_info): Remove.
	(Incremental_input_entry_reader::get_global_symbol_info): Remove.
	(Incremental_input_entry_reader::get_global_symbol_reader): New
	function.
	(Incremental_input_entry_reader::get_output_symbol_index): New
	function.
	(Incremental_input_entry_reader::type_): Remove.
	(Incremental_input_entry_reader::flags_): New data member.
	(Incremental_inputs_reader::input_file_offset): New function.
	(Incremental_inputs_reader::input_file_index): New function.
	(Incremental_inputs_reader::input_file): Call input_file_offset.
	(Incremental_inputs_reader::input_file_at_offset): New function.
	(Incremental_relocs_reader::get_r_type): Reformat.
	(Incremental_relocs_reader::get_r_shndx): Reformat.
	(Incremental_relocs_reader::get_r_offset): Reformat.
	(Incremental_relocs_reader::data): New function.
	(Incremental_binary::Incremental_binary): Initialize new data members.
	(Incremental_binary::check_inputs): Add cmdline parameter.
	(Incremental_binary::file_is_unchanged): Remove.
	(Input_reader::arg_serial): New function.
	(Input_reader::get_unused_symbol_count): New function.
	(Input_reader::get_unused_symbol): New function.
	(Input_reader::do_arg_serial): New function.
	(Input_reader::do_get_unused_symbol_count): New function.
	(Input_reader::do_get_unused_symbol): New function.
	(Incremental_binary::input_file_count): New function.
	(Incremental_binary::get_input_reader): Change signature to use
	index instead of filename.
	(Incremental_binary::file_has_changed): New function.
	(Incremental_binary::get_input_argument): New function.
	(Incremental_binary::get_library): New function.
	(Incremental_binary::get_script_info): New function.
	(Incremental_binary::init_layout): New function.
	(Incremental_binary::reserve_layout): New function.
	(Incremental_binary::output_file): New function.
	(Incremental_binary::do_check_inputs): New function.
	(Incremental_binary::do_file_is_unchanged): Remove.
	(Incremental_binary::do_file_has_changed): New function.
	(Incremental_binary::do_init_layout): New function.
	(Incremental_binary::do_reserve_layout): New function.
	(Incremental_binary::do_input_file_count): New function.
	(Incremental_binary::do_get_input_reader): Change signature.
	(Incremental_binary::input_args_map_): New data member.
	(Incremental_binary::library_map_): New data member.
	(Incremental_binary::script_map_): New data member.
	(Sized_incremental_binary::Sized_incremental_binary): Initialize
	new data members.
	(Sized_incremental_binary::output_section): New function.
	(Sized_incremental_binary::inputs_reader): Add const.
	(Sized_incremental_binary::symtab_reader): Add const.
	(Sized_incremental_binary::relocs_reader): Add const.
	(Sized_incremental_binary::got_plt_reader): Add const.
	(Sized_incremental_binary::get_symtab_view): New function.
	(Sized_incremental_binary::Inputs_reader): New typedef.
	(Sized_incremental_binary::Input_entry_reader): New typedef.
	(Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
	(Sized_incremental_binary::do_file_is_unchanged): Remove.
	(Sized_incremental_binary::do_file_has_changed): New function.
	(Sized_incremental_binary::do_init_layout): New function.
	(Sized_incremental_binary::do_reserve_layout): New function.
	(Sized_input_reader::Inputs_reader): Remove.
	(Sized_input_reader::Input_entry_reader): Remove.
	(Sized_input_reader::do_arg_serial): New function.
	(Sized_input_reader::do_get_unused_symbol_count): New function.
	(Sized_input_reader::do_get_unused_symbol): New function.
	(Sized_incremental_binary::do_input_file_count): New function.
	(Sized_incremental_binary::do_get_input_reader): Change signature;
	use index instead of filename.
	(Sized_incremental_binary::section_map_): New data member.
	(Sized_incremental_binary::input_entry_readers_): New data member.
	(class Sized_incr_relobj): New class.
	(class Sized_incr_dynobj): New class.
	(make_sized_incremental_object): New function.
	(class Incremental_library): New class.
	* layout.cc (Free_list::num_lists): New static data member.
	(Free_list::num_nodes): New static data member.
	(Free_list::num_removes): New static data member.
	(Free_list::num_remove_visits): New static data member.
	(Free_list::num_allocates): New static data member.
	(Free_list::num_allocate_visits): New static data member.
	(Free_list::init): New function.
	(Free_list::remove): New function.
	(Free_list::allocate): New function.
	(Free_list::dump): New function.
	(Free_list::print_stats): New function.
	(Layout_task_runner::run): Resize output file for incremental updates.
	(Layout::Layout): Initialize new data members.
	(Layout::set_incremental_base): New function.
	(Layout::init_fixed_output_section): New function.
	(Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
	incremental updates.
	(Layout::create_gold_note): Do not create gold note section for
	incremental updates.
	(Layout::set_segment_offsets): Do not recalculate RELRO alignment
	for incremental updates.
	(Layout::set_section_offsets): For incremental updates, allocate space
	from free list.
	(Layout::create_symtab_sections): Layout with offsets relative to
	start of section; for incremental updates, allocate space from free
	list.
	(Layout::create_shdrs): For incremental updates, allocate space from
	free list.
	(Layout::finish_dynamic_section): For incremental updates, do not
	check --as-needed (fixed in subsequent patch).
	* layout.h (class Free_list): New class.
	(Layout::set_incremental_base): New function.
	(Layout::incremental_base): New function.
	(Layout::init_fixed_output_section): New function.
	(Layout::allocate): New function.
	(Layout::incremental_base_): New data member.
	(Layout::free_list_): New data member.
	* main.cc (main): Print Free_list statistics.
	* object.cc (Relobj::finalize_incremental_relocs): Add
	clear_counts parameter; clear counts only when clear_counts is set.
	(Sized_relobj::Sized_relobj): Initialize new base class.
	(Sized_relobj::do_layout): Don't report special sections.
	(Sized_relobj::do_for_all_local_got_entries): New function.
	(Sized_relobj::write_local_symbols): Add symtab_off parameter; add
	symtab_off to all symbol table offsets.
	(Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
	* object.h (class Got_offset_list): Move to top of file.
	(Object::Object): Allow case where input_file == NULL.
	(Object::~Object): Likewise.
	(Object::input_file): Assert that input_file != NULL.
	(Object::lock): Allow case where input_file == NULL.
	(Object::unlock): Likewise.
	(Object::is_locked): Likewise.
	(Object::token): Likewise.
	(Object::release): Likewise.
	(Object::is_incremental): New function.
	(Object::get_mtime): New function.
	(Object::for_all_local_got_entries): New function.
	(Object::clear_view_cache_marks): Allow case where input_file == NULL.
	(Object::set_is_in_system_directory): New function.
	(Object::is_in_system_directory): New function.
	(Object::do_is_incremental): New function.
	(Object::do_get_mtime): New function.
	(Object::do_for_all_local_got_entries): New function.
	(Object::is_in_system_directory_): New data member.
	(Relobj::finalize_incremental_relocs): Add clear_counts parameter.
	(class Sized_relobj_base): New class.
	(class Sized_relobj): Derive from Sized_relobj_base.
	(class Sized_relobj::Symbols): Redeclare from base class.
	(class Sized_relobj::local_got_offset_list): Remove.
	(class Sized_relobj::Output_sections): Redeclare from base class.
	(class Sized_relobj::do_for_all_local_got_entries): New function.
	(class Sized_relobj::write_local_symbols): Add offset parameter.
	(class Sized_relobj::local_symbol_offset_): Update comment.
	(class Sized_relobj::local_dynsym_offset_): Update comment.
	* options.cc (Input_arguments::add_file): Remove const.
	* options.h (Input_file_argument::Input_file_argument):
	Initialize arg_serial_ (all constructors).
	(Input_file_argument::set_arg_serial): New function.
	(Input_file_argument::arg_serial): New function.
	(Input_file_argument::arg_serial_): New data member.
	(Input_arguments::Input_arguments): Initialize file_count_.
	(Input_arguments::add_file): Remove const.
	(Input_arguments::number_of_input_files): New function.
	(Input_arguments::file_count_): New data member.
	(Command_line::number_of_input_files): Call
	Input_arguments::number_of_input_files.
	* output.cc (Output_segment_headers::Output_segment_headers):
	Set current size.
	(Output_section::Input_section::current_data_size): New function.
	(Output_section::Output_section): Initialize new data members.
	(Output_section::add_input_section): Don't do merge sections for
	an incremental link; allocate space from free list for an
	incremental update.
	(Output_section::add_output_section_data): Allocate space from
	free list for an incremental update.
	(Output_section::update_data_size): New function.
	(Output_section::set_fixed_layout): New function.
	(Output_section::reserve): New function.
	(Output_segment::set_section_addresses): Remove const.
	(Output_segment::set_section_list_addresses): Remove const; allocate
	space from free list for an incremental update.
	(Output_segment::set_offset): Adjust size of RELRO segment for an
	incremental update.
	* output.h (Output_data::current_data_size): Move here from
	child classes.
	(Output_data::pre_finalize_data_size): New function.
	(Output_data::update_data_size): New function.
	(Output_section_headers::update_data_size): new function.
	(Output_section_data_build::current_data_size): Move to Output_data.
	(Output_data_strtab::update_data_size): New function.
	(Output_section::current_data_size): Move to Output_data.
	(Output_section::set_fixed_layout): New function.
	(Output_section::has_fixed_layout): New function.
	(Output_section::reserve): New function.
	(Output_section::update_data_size): New function.
	(Output_section::has_fixed_layout_): New data member.
	(Output_section::free_list_): New data member.
	(Output_segment::set_section_addresses): Remove const.
	(Output_segment::set_section_list_addresses): Remove const.
	* plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
	New function.
	* plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
	New function.
	* readsyms.cc (Read_symbols::do_read_symbols): Add library
	parameter when calling Add_symbols constructor; store argument
	serial number for members of a lib group.
	(Add_symbols::locks): Allow case where token == NULL.
	(Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
	(Read_member::~Read_member): New function.
	(Read_member::is_runnable): New function.
	(Read_member::locks): New function.
	(Read_member::run): New function.
	(Check_script::~Check_script): New function.
	(Check_script::is_runnable): New function.
	(Check_script::locks): New function.
	(Check_script::run): New function.
	(Check_library::~Check_library): New function.
	(Check_library::is_runnable): New function.
	(Check_library::locks): New function.
	(Check_library::run): New function.
	* readsyms.h (Add_symbols::Add_symbols): Add library parameter.
	(Add_symbols::library_): New data member.
	(class Read_member): New class.
	(class Check_script): New class.
	(class Check_library): New class.
	* reloc.cc (Read_relocs::is_runnable): Allow case where
	token == NULL.
	(Read_relocs::locks): Likewise.
	(Scan_relocs::locks): Likewise.
	(Relocate_task::locks): Likewise.
	(Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
	to clear counters.
	(Sized_relobj::incremental_relocs_scan): Fix comment.
	(Sized_relobj::do_relocate): Pass output file offset to
	write_local_symbols.
	(Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
	from class declaration.
	* script.cc (read_input_script): Allocate Script_info; pass
	argument serial number to report_script.
	* script.h (class Script_info): Move to incremental.h.
	* symtab.cc (Symbol_table::add_from_incrobj): New function.
	* symtab.h (Symbol_table::add_from_incrobj): New function.
	(Symbol_table::set_file_offset): New function.

2011-04-05  Cary Coutant  <ccoutant@google.com>

	* incremental-dump.cc (dump_incremental_inputs): Change signature
	to take a Sized_incremental_binary; change caller.  Use readers
	in Sized_incremental_binary.
	* incremental.cc
	(Sized_incremental_binary::find_incremental_inputs_sections):
	Rename do_find_incremental_inputs_sections to this.
	(Sized_incremental_binary::setup_readers): New function.
	(Sized_incremental_binary::do_check_inputs): Check
	has_incremental_info_ flag; move setup code to setup_readers;
	use input readers.
	(Sized_incremental_binary::do_file_is_unchanged): New function.
	(Sized_incremental_binary::do_get_input_reader): New function.
	* incremental.h (class Incremental_binary): Move to end of file.
	(Incremental_binary::file_is_unchanged): New function.
	(Incremental_binary::do_file_is_unchanged): New function.
	(Incremental_binary::Input_reader): New class.
	(Incremental_binary::get_input_reader): New function.
	(class Sized_incremental_binary): Move to end of file.
	(Sized_incremental_binary::Sized_incremental_binary): Setup the
	input section reader classes.
	(Sized_incremental_binary::has_incremental_info): New function.
	(Sized_incremental_binary::inputs_reader): New function.
	(Sized_incremental_binary::symtab_reader): New function.
	(Sized_incremental_binary::relocs_reader): New function.
	(Sized_incremental_binary::got_plt_reader): New function.
	(Sized_incremental_binary::do_file_is_unchanged): New function.
	(Sized_incremental_binary::Sized_input_reader): New class.
	(Sized_incremental_binary::get_input_reader): New function.
	(Sized_incremental_binary::find_incremental_inputs_sections):
	Rename do_find_incremental_inputs_sections to this.
	(Sized_incremental_binary::setup_readers): New function.
	(Sized_incremental_binary::has_incremental_info_): New data member.
	(Sized_incremental_binary::inputs_reader_): New data member.
	(Sized_incremental_binary::symtab_reader_): New data member.
	(Sized_incremental_binary::relocs_reader_): New data member.
	(Sized_incremental_binary::got_plt_reader_): New data member.
	(Sized_incremental_binary::current_input_file_): New data member.

2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>

	PR gold/12640
	* dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
	violation.

2011-03-30  Cary Coutant  <ccoutant@google.com>

	* archive.cc (Archive::include_member): Adjust call to report_object.
	(Add_archive_symbols::run): Add script_info to call to
	report_archive_begin.
	(Lib_group::include_member): Adjust call to report_object.
	(Add_lib_group_symbols::run): Adjust call to report_object.
	* incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
	blocks.  Add object count for script input files.
	* incremental.cc (Incremental_inputs::report_archive_begin): Add
	script_info parameter; change all callers.
	(Incremental_inputs::report_object): Add script_info parameter;
	change all callers.
	(Incremental_inputs::report_script): Store backpointer to
	incremental info entry.
	(Output_section_incremental_inputs::set_final_data_size): Record
	additional information for scripts.
	(Output_section_incremental_inputs::write_info_blocks): Likewise.
	* incremental.h (Incremental_script_entry::add_object): New function.
	(Incremental_script_entry::get_object_count): New function.
	(Incremental_script_entry::get_object): New function.
	(Incremental_script_entry::objects_): New data member; adjust
	constructor.
	(Incremental_inputs::report_archive_begin): Add script_info parameter.
	(Incremental_inputs::report_object): Add script_info parameter.
	(Incremental_inputs_reader::get_object_count): New function.
	(Incremental_inputs_reader::get_object_offset): New function.
	* options.cc (Input_arguments::add_file): Return reference to
	new input argument.
	* options.h (Input_argument::set_script_info): New function.
	(Input_argument::script_info): New function.
	(Input_argument::script_info_): New data member; adjust all
	constructors.
	(Input_file_group::add_file): Return reference to new input argument.
	(Input_file_lib::add_file): Likewise.
	(Input_arguments::add_file): Likewise.
	* readsyms.cc (Add_symbols::run): Adjust call to report_object.
	* script.cc (Parser_closure::Parser_closure): Add script_info
	parameter; adjust all callers.
	(Parser_closure::script_info): New function.
	(Parser_closure::script_info_): New data member.
	(read_input_script): Report scripts earlier to incremental info.
	(script_add_file): Set script_info in Input_argument.
	(script_add_library): Likewise.
	* script.h (Script_options::Script_info): Rewrite class.

2011-03-29  Cary Coutant  <ccoutant@google.com>

	* archive.cc (Library_base::should_include_member): Move
	method here from class Archive.
	(Archive::Archive): Initialize base class.
	(Archive::should_include_member): Move to base class.
	(Archive::do_for_all_unused_symbols): New function.
	(Add_archive_symbols::run): Remove redundant access to
	incremental_inputs.
	(Lib_group::Lib_group): Initialize base class.
	(Lib_group::do_filename): New function.
	(Lib_group::include_member): Pass pointer to Lib_group to
	report_object.
	(Lib_group::do_for_all_unused_symbols): New function.
	(Add_lib_group_symbols::run): Report archive information for
	incremental links.
	* archive.h (class Library_base): New base class.
	(class Archive): Derive from Library_base.
	(Archive::filename): Move to base class.
	(Archive::set_incremental_info): Likewise.
	(Archive::incremental_info): Likewise.
	(Archive::Should_include): Likewise.
	(Archive::should_include_member): Likewise.
	(Archive::Armap_entry): Remove.
	(Archive::Unused_symbol_iterator): Remove.
	(Archive::unused_symbols_begin): Remove.
	(Archive::unused_symbols_end): Remove.
	(Archive::do_filename): New function.
	(Archive::do_get_mtime): New function.
	(Archive::do_for_all_unused_symbols): New function.
	(Archive::task_): Move to base class.
	(Archive::incremental_info_): Likewise.
	(class Lib_group): Derive from Library_base.
	(Lib_group::do_filename): New function.
	(Lib_group::do_get_mtime): New function.
	(Lib_group::do_for_all_unused_symbols): New function.
	(Lib_group::task_): Move to base class.
	* dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
	function.
	* dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
	function.
	* incremental.cc (Incremental_inputs::report_archive_begin):
	Use Library_base; call library's get_mtime; add incremental inputs
	entry before members.
	(class Unused_symbol_visitor): New class.
	(Incremental_inputs::report_archive_end): Use Library_base; use
	visitor class to record unused symbols; don't add incremental inputs
	entry after members.
	(Incremental_inputs::report_object): Use Library_base.
	* incremental.h
	(Incremental_archive_entry::Incremental_archive_entry): Remove
	unused Archive parameter.
	(Incremental_inputs::report_archive_begin): Use Library_base.
	(Incremental_inputs::report_archive_end): Likewise.
	(Incremental_inputs::report_object): Likewise.
	* object.cc (Sized_relobj::do_for_all_global_symbols): New
	function.
	* object.h (Object::for_all_global_symbols): New function.
	(Object::do_for_all_global_symbols): New function.
	(Sized_relobj::do_for_all_global_symbols): New function.
	* plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
	function.
	* plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
	function.

2011-03-27  Ian Lance Taylor  <iant@google.com>

	* archive.cc (Archive::interpret_header): Return -1 if something
	goes wrong.  Change callers accordingly.

2011-03-25  Cary Coutant  <ccoutant@google.com>

	* testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
	* testsuite/Makefile.in: Regenerate.

2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>

	* plugin.cc (get_view): New.
	(Plugin::load): Pass get_view to the plugin.
	(Plugin_manager::get_view): New.

2011-03-21  Ian Lance Taylor  <iant@google.com>

	* testsuite/final_layout.sh: Rewrite to not use dc.
	* testsuite/relro_test.sh: Fail if dc is not present.

2011-03-21  Sriraman Tallam  <tmsriram@google.com>

	* testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
	Change == to -eq.
	* testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
	* testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
	Change == to -eq.
	* testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
	* testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.

2011-03-14  Ian Lance Taylor  <iant@google.com>

	* script-sections.cc (Sort_output_sections::script_compare):
	Rename from is_before, change return type.
	(Sort_output_sections::operator()): Adjust accordingly.

2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>

	PR gold/12572
	* testsuite/odr_violation2.cc: Add comment to make all error line
	numbers double digits.
	* testsuite/debug_msg.sh: Adjust expected errors.

2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>

	* dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
	but mark earlier ones as non-canonical
	(offset_to_iterator): Update search target and example
	(do_addr2line): Return extra lines in a vector*
	(format_file_lineno): Extract from do_addr2line
	(one_addr2line): Add vector* out-param
	* dwarf_reader.h (Offset_to_lineno_entry): New field recording
	when a lineno entry appeared last for its instruction
	(Dwarf_line_info): Add vector* out-param
	* object.cc (Relocate_info): Pass NULL for the vector* out-param
	* symtab.cc (Odr_violation_compare): Include the lineno in the
	comparison again.
	(linenos_from_loc): New. Combine the canonical line for an
	address with its other lines.
	(True_if_intersect): New. Helper functor to make
	std::set_intersection a query.
	(detect_odr_violations): Compare sets of lines instead of just
	one line for each function. This became less deterministic, but
	has fewer false positives.
	* symtab.h: Declarations.
	* testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
	mix an optimized and non-optimized object in the same binary
	(odr_violation2.so): Same.
	* testsuite/Makefile.in: Regenerate from Makefile.am.
	* testsuite/debug_msg.cc (main): Make OdrDerived classes.
	* testsuite/debug_msg.sh: Update line numbers and add
	assertions.
	* testsuite/odr_violation1.cc: Use OdrDerived, in a
	non-optimized context.
	* testsuite/odr_violation2.cc: Make sure Ordering::operator()
	isn't inlined, and use OdrDerived in an optimized context.
	* testsuite/odr_header1.h: Defines OdrDerived, where
	optimization will change the
	first-instruction-in-the-destructor's file and line number.
	* testsuite/odr_header2.h: Defines OdrBase.

2011-03-09  Ian Lance Taylor  <iant@google.com>

	* fileread.cc (File_read::clear_views): Don't delete the whole
	file view.

2011-03-08  Ian Lance Taylor  <iant@google.com>

	PR gold/12525
	* fileread.cc: #include <climits>.
	(GOLD_IOV_MAX): Define.
	(File_read::read_multiple): Limit number of entries by iov_max.
	* fileread.h (class File_read): Always set max_readv_entries to
	128.

2011-03-07  Ian Lance Taylor  <iant@google.com>

	PR gold/12525
	* options.h (class General_options): Add -dy and -dn.

2011-03-02  Cary Coutant  <ccoutant@google.com>

	* testsuite/script_test_9.t: Add TLS segment.

2011-03-02  Simon Baldwin  <simonb@google.com>

	* configure.ac: Add check for gnu_indirect_function support in
	the toolchain building binutils.
	* configure: Rebuild.

2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>

	* symtab.cc (Symbol::should_add_dynsym_entry) Return false for
	plugin only symbols.
	(Symbol_table::sized_finalize_symbol) Mark symbol only present
	in plugin files as not needed in the symbol table.

2011-02-11  Sriraman Tallam  <tmsriram@google.com>

	* output.cc (Output_section::add_input_section): Delay fill
	generation for section ordering.

2011-02-09  Ian Lance Taylor  <iant@google.com>

	PR gold/12316
	* object.h (class Sized_relobj): Remove clear_local_symbols.
	* reloc.cc (Sized_relobj::do_relocate): Don't call
	clear_local_symbols.

2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>

	* plugin.cc (is_visible_from_outside): Return true for symbols
	in the -u option.

2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>

	* symtab.cc (Odr_violation_compare::operator()): Sort by just the
	filename.

2011-02-02  Sriraman Tallam  <tmsriram@google.com>

	* icf.h (is_section_foldable_candidate): Change type of parameter
	to std::string.
	* icf.cc (Icf::find_identical_sections): Change type of local variable
	section_name to be std::string.
	(is_function_ctor_or_dtor): Change type of parameter to std::string.

2011-01-25  Ian Lance Taylor  <iant@google.com>

	* script.cc (script_add_extern): Rewrite to use
	add_symbol_reference.

2011-01-25  Doug Kwan  <dougkwan@google.com>

	* icf.cc (get_section_contents): Always lock section's object.

2011-01-24  Ian Lance Taylor  <iant@google.com>

	* options.h (class General_options): Accept
	--no-detect-odr-violations.

2011-01-24  Ian Lance Taylor  <iant@google.com>

	* version.cc (version_string): Bump to 1.11.

2011-01-24  Ian Lance Taylor  <iant@google.com>

	* plugin.cc (class Plugin_rescan): Define new class.
	(Plugin_manager::claim_file): Set any_claimed_.
	(Plugin_manager::save_archive): New function.
	(Plugin_manager::save_input_group): New function.
	(Plugin_manager::all_symbols_read): Create Plugin_rescan task if
	necessary.
	(Plugin_manager::new_undefined_symbol): New function.
	(Plugin_manager::rescan): New function.
	(Plugin_manager::rescannable_defines): New function.
	(Plugin_manager::add_input_file): Set any_added_.
	* plugin.h (class Plugin_manager): define new fields rescannable_,
	undefined_symbols_, any_claimed_, and any_added_.  Declare
	Plugin_rescan as friend.  Declare new functions.
	(Plugin_manager::Rescannable): Define type.
	(Plugin_manager::Rescannable_list): Define type.
	(Plugin_manager::Undefined_symbol_list): Define type.
	(Plugin_manager::Plugin_manager): Initialize new fields.
	* archive.cc (Archive::defines_symbol): New function.
	(Add_archive_symbols::run): Pass archive to plugins if any.
	* archive.h (class Archive): Declare defines_symbol.
	* readsyms.cc (Input_group::~Input_group): New function.
	(Finish_group::run): Pass input_group to plugins if any.
	* readsyms.h (class Input_group): Declare destructor.
	* symtab.cc (add_from_object): Pass undefined symbol to plugins if
	any.

2011-01-10  Ian Lance Taylor  <iant@google.com>

	* layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
	section as relro.
	(Layout::set_segment_offsets): Reset increase_relro before calling
	set_section_addresses a second time.

2011-01-04  Cary Coutant  <ccoutant@google.com>

	* script-sections.cc (Sort_output_sections::operator()): Sort TLS
	sections before NOBITS sections.

2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>

	* version.cc (print_version): Update copyright to 2011.

2010-12-23  Cary Coutant  <ccoutant@google.com>

	* output.h (Output_data_reloc::add_output_section): Pass OD instead
	of OS to this->add.  Add OD parameter to second form of the function.

2010-12-20  Ian Lance Taylor  <iant@google.com>

	* dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
	second of two consecutive entries with same offset.

2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* testsuite/Makefile.am (ifuncmain2static_LDADD)
	(ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
	(ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
	to avoid unneeded links against $(LDADD).
	* testsuite/Makefile.in: Regenerate.

2010-12-15  Ian Lance Taylor  <iant@google.com>

	PR gold/12324
	* x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
	for R_X86_64_32 and R_X86_64_PC32.
	* testsuite/Makefile.am (ver_matching_def.so): Depend on and use
	ver_matching_def_pic.o.
	(ver_matching_def_pic.o): New target.

2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* fileread.cc (file_counts_lock, file_counts_initialize_lock)
	(total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
	Move definition before File_read::View member definitions.
	(File_read::View::~View): Initialize and hold lock before
	updating current_mapped_bytes.

2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* dwarf_reader.cc: Remove outdated comment.
	* gold-threads.cc: Fix typo in error message.
	* archive.cc: Fix typos in comments.
	* archive.h: Likewise.
	* arm-reloc-property.cc: Likewise.
	* arm-reloc-property.h: Likewise.
	* arm-reloc.def: Likewise.
	* arm.cc: Likewise.
	* attributes.h: Likewise.
	* cref.cc: Likewise.
	* ehframe.cc: Likewise.
	* fileread.h: Likewise.
	* gold.h: Likewise.
	* i386.cc: Likewise.
	* icf.cc: Likewise.
	* incremental.h: Likewise.
	* int_encoding.cc: Likewise.
	* layout.h: Likewise.
	* main.cc: Likewise.
	* merge.h: Likewise.
	* object.cc: Likewise.
	* object.h: Likewise.
	* options.cc: Likewise.
	* readsyms.cc: Likewise.
	* reduced_debug_output.cc: Likewise.
	* reloc.cc: Likewise.
	* script-sections.cc: Likewise.
	* sparc.cc: Likewise.
	* symtab.h: Likewise.
	* target-reloc.h: Likewise.
	* target.cc: Likewise.
	* target.h: Likewise.
	* timer.cc: Likewise.
	* timer.h: Likewise.
	* x86_64.cc: Likewise.

2010-12-09  Cary Coutant  <ccoutant@google.com>

	* layout.cc (Layout::layout_gnu_stack): Add warnings for executable
	stack.
	* layout.h (Layout::layout_gnu_stack): Add pointer to Object
	parameter; change all callers.
	* object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
	* options.h (warn_execstack): New option.

2010-12-07  Doug Kwan  <dougkwan@google.com>

	* arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
	like function call relocations.

2010-12-07  Ian Lance Taylor  <iant@google.com>

	* archive.cc (Archive::get_elf_object_for_member): Permit
	punconfigured to be NULL.
	(Archive::read_symbols): Pass NULL to get_elf_object_for_member.
	(Archive::include_member): Pass NULL to get_elf_object_for_member
	if we searched for the archive and this is the first included
	object.

2010-12-01  Ian Lance Taylor  <iant@google.com>

	* dwarf_reader.h (class Sized_dwarf_line_info): Add
	track_relocs_type_ field.
	* dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
	Set track_relocs_type_.
	(Sized_dwarf_line_info::process_one_opcode): Ignore the section
	contents when using RELA relocs.
	(Sized_dwarf_line_info::read_relocs): Add the reloc addend to
	reloc_map_.
	* reloc.cc (Track_relocs::next_addend): New function.
	* reloc.h (class Track_relocs): Declare next_addend.

2010-12-01  Ian Lance Taylor  <iant@google.com>

	* testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
	virtual destructor.

2010-12-01  Ian Lance Taylor  <iant@google.com>

	* README: Update compilers known to work and fail.

2010-11-23  Matthias Klose  <doko@ubuntu.com>

	* configure.in: For --enable-gold, handle value `default' instead of
	`both*'.  Always install ld as ld.bfd, install as ld if gold is
	not the default.
	* configure: Regenerate.

2010-11-18  Doug Kwan  <dougkwan@google.com>

	* expression.cc (BINARY_EXPRESSION): Initialize left_alignment
	and right_alignment to be zero.  Store result alignment only if it is
	greater than existing alignment.

2010-11-16  Cary Coutant  <ccoutant@google.com>

	PR gold/12220
	* dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
	Check for ".zdebug_line".

2010-11-16  Doug Kwan  <dougkwan@google.com>
	    Cary Coutant  <ccoutant@google.com>

	* output.h (Output_segment::set_section_addresses): Pass increase_relro
	by reference; adjust all callers.
	* output.cc (Output_segment::set_section_addresses): Adjust references
	to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
	list is empty.
	(Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
	end at page boundary.

2010-11-16  Cary Coutant  <ccoutant@google.com>

	PR gold/12220
	* layout.cc (Layout::choose_output_section): Transform names of
	compressed sections even when using a script with a SECTIONS clause.
	(Layout::output_section_name): Remove code to transform
	compressed debug section names.
	* output.cc (Output_section::add_input_section): Use uncompressed
	section size when tracking input sections.

2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>

	* symtab.h (Symbol::NON_PIC_REF): Remove.
	(Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
	(Symbol::FUNCTION_CALL): Renumber.  Reword comment.
	(Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
	(Symbol::use_plt_offset): Take a flags argument and pass it
	directly to needs_dynamic_reloc.  Restrict check for undefined
	weak symbols to function calls.
	* arm.cc (Target_arm::Scan::get_reference_flags): New function.
	(Target_arm::Scan::global): Use it.
	(Target_arm::Scan::scan_reloc_for_stub): Likewise.
	(Target_arm::Relocate::relocate): Likewise.
	(Target_arm::Relocate::should_apply_static_reloc): Replace flags
	parameter with an r_type parameter.  Use get_reference_flags
	to get the flags.
	(Target_arm::Relocate::relocate): Update accordingly.
	* i386.cc (Target_i386::Scan::get_reference_flags): New function.
	(Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
	(Target_i386::Scan::global): Likewise.
	(Target_i386::Relocate::relocate): Likewise.
	(Target_i386::Relocate::should_apply_static_reloc): Replace flags
	parameter with an r_type parameter.  Use get_reference_flags
	to get the flags.
	(Target_i386::Relocate::relocate): Update accordingly.
	* powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
	(Target_powerpc::Scan::global): Use it.
	(Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
	(Target_powerpc::Relocate::relocate): Likewise.
	* sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
	(Target_sparc::Scan::global): Use it.
	(Target_sparc::Scan::scan_reloc_for_stub): Likewise.
	(Target_sparc::Relocate::relocate): Likewise.
	* x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
	(Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
	(Target_x86_64::Scan::global): Likewise.
	(Target_x86_64::Relocate::relocate): Likewise.

2010-11-08  Doug Kwan  <dougkwan@google.com>
	    Cary Coutant  <ccoutant@google.com>

	* arm.cc (Arm_exidx_merge_section::build_contents): New method.
	(Arm_exidx_merge_section::section_contents_): New data member.
	(Arm_input_section::Arm_input_section): Initialize original_contents_.
	(Arm_input_section::~Arm_input_section): De-allocate memory.
	(Arm_input_section::original_contents_): New data member.
	(Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
	in parameters instead of calling Object::section_contents without
	locking.
	(Arm_output_section::group_section): New parameter TASK.  Pass it
	to callees that need locking objects.
	(Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
	to lock EXIDX input sections.  Fix a formatting issue.  Call
	Arm_exidx_merged_section::build_contents to create merged section
	contents.
	(Arm_output_section::create_stub_group): New parameter TASK.  Use it
	to lock object of stub table owner.
	(Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
	TEXT_SIZE to initialize data member TEXT_SIZE_.
	(Arm_exidx_input_section::addralign): Fix typo in comment.
	(Arm_exidx_input_section::text_size): New method.
	(Target_arm::do_relax): New parameter TASK.  Pass it to callees
	that require locking objects.  Lock objects before scanning for stubs
	and updating local symbols.
	(Arm_input_section<big_endian>::init): Copy contents of original
	input section.
	(Arm_input_section<big_endian>::do_write): Use saved contents of
	original input section instead of calling Object::section_contents
	without locking.
	(Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
	size without calling Object::section_size().
	(Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
	for size.  Allocate a buffer for merged EXIDX entries.
	(Arm_exidx_merged_section::build_contents): New method.
	(Arm_exidx_merged_section::do_write): Move merge section contents
	building code to Arm_exidx_merged_section::build_contetns.  Write
	out contetns in buffer instead of building it on the fly.
	(Arm_relobj::make_exidx_input_section): Also pass text section size
	to Arm_exidx_input_section constructor.
	(Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
	(Arm_dynobj::do_read_symbols): Fix memory leak.
	* layout.cc (Layout::finalize): Pass TASK to Target::relax().
	* target.h: (class Task): Add forward declaration.
	(Target::relax): Add new parameter TASK and pass it to
	Target::do_relax().
	(Target::do_relax):: New parameter TASK.  Fix a formatting issue.

2010-11-05  Cary Coutant  <ccoutant@google.com>

	PR gold/10708
	* copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
	object when reading from the file.
	* gold.cc (queue_middle_tasks): Hold a lock on the object when doing
	second layout pass.
	* icf.cc (preprocess_for_unique_sections): Hold a lock on the object
	when reading section contents.
	(get_section_contents): Likewise.
	(icf::find_identical_sections): Likewise.
	* mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
	object when reading from the file.
	* plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
	the object when doing deferred section layout.

2010-11-03  Nick Clifton  <nickc@redhat.com>

	PR gold/12001
	* script.h (class Symbol_assignment: name): New member.  Returns
	the name of the symbol.
	* scrfipt.cc (Script_options::is_pending_assignment): New member.
	Returns true if the given symbol name is on the list of
	assignments wating to be processed.
	* archive.cc (should_incldue_member): If the symbol is undefined,
	check to see if it is on the list of symbols pending assignment.

2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>

	* script-sections.cc (Script_sections::find_memory_region): Check
	for a NULL output section pointer.

2010-10-29  Doug Kwan  <dougkwan@google.com>

	* arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
	Output_section::add_relaxed_input_section.
	* output.cc (Output_section::add_relaxed_input_section): Add new
	arguments LAYOUT and NAME.  Set section order index.
	(Output_section::convert_input_sections_in_list_to_relaxed_sections):
	Copy section order index.
	* output.h (Output_section::add_relaxed_input_section): Add new
	arguments LAYOUT and NAME.

2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>

	* testsuite/Makefile.am: Move gcctestdir/ld rule to
	NATIVE_OR_CROSS_LINKER.
	* testsuite/Makefile.in: Regenerate.

2010-10-20  Doug Kwan  <dougkwan@google.com>

	* arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
	without SHF_LINK_ORDER flags.
	* layout.cc (Layout::choose_output_section): Do not filter
	SHF_LINK_ORDER flag in a relocatable link.

2010-10-17  Cary Coutant  <ccoutant@google.com>

	* output.h (Output_segment::set_section_addresses): Change function
	signature.  Update all callers.
	* output.cc (Output_segment::is_first_section_relro): Ignore TLS
	sections.
	(Output_segment::set_section_addresses): Align after last TLS
	section.  Add padding before last relro section instead of after.

2010-10-17  Doug Kwan  <dougkwan@google.com>

	* gold/arm.cc (Target_arm::got_section): Use correct order and set
	GOT output section to be writable.

2010-10-14  Cary Coutant  <ccoutant@google.com>

	* debug.h (DEBUG_INCREMENTAL): New flag.
	(debug_string_to_enum): Add DEBUG_INCREMENTAL).
	* gold.cc (queue_initial_tasks): Check parameters for incremental link
	mode.
	* incremental.cc (report_command_line): Ignore all forms of
	--incremental.
	* layout.cc (Layout::Layout): Check parameters for incremental link
	mode.
	* options.cc (General_options::parse_incremental): New function.
	(General_options::parse_no_incremental): New function.
	(General_options::parse_incremental_full): New function.
	(General_options::parse_incremental_update): New function.
	(General_options::incremental_mode_): New data member.
	(General_options::finalize): Check incremental_mode_.
	* options.h (General_options): Update help text for --incremental.
	Add --no-incremental, --incremental-full, --incremental-update.
	(General_options::Incremental_mode): New enum type.
	(General_options::incremental_mode): New function.
	(General_options::incremental_mode_): New data member.
	* parameters.cc (Parameters::incremental_mode_): New data member.
	(Parameters::set_options): Set incremental_mode_.
	(Parameters::set_incremental_full): New function.
	(Parameters::incremental): New function.
	(Parameters::incremental_update): New function.
	(set_parameters_incremental_full): New function.
	* parameters.h (Parameters::set_incremental_full): New function.
	(Parameters::incremental): New function.
	(Parameters::incremental_update): New function.
	(Parameters::incremental_mode_): New data member.
	(set_parameters_incremental_full): New function.
	* plugin.cc (Plugin_manager::add_input_file): Check parameters for
	incremental link mode.
	* reloc.cc (Sized_relobj::do_read_relocs): Likewise.
	(Sized_relobj::do_relocate_sections): Likewise.
	* testsuite/Makefile.am (incremental_test): Use --incremental-full
	option.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/incremental_test.sh: Filter all forms of --incremental.

2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>

	* script-sections.h (class Script_sections): Make
	Sections_elements typedef public.
	* script-sections.cc (class Sort_output_sections): Add elements_
	field.  Add constructor which sets it; change all callers.
	(Sort_output_sections::is_before): New function.
	(Sort_output_sections::operator()): Call is_before.
	* configure.ac (NATIVE_OR_CROSS_LINKER): New automake
	conditional.
	* testsuite/script_test_10.sh: New test. Test script section
	order.
	* testsuite/script_test_10.t: Likewise.
	* testsuite/script_test_10.s: Likewise.
	* testsuite/Makefile.am: Wrap the cross linker tests and the
	common tests into NATIVE_OR_CROSS_LINKER.
	(check_SCRIPTS): Add script_test_10.sh.
	(check_DATA): Add script_test_10.stdout.
	(script_test_10.o, script_test_10): New targets.
	(script_test_10.stdout): New target.
	* configure, testsuite/Makefile.in: Regenerate.

2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>

	* arm.cc (Target_arm::Scan::local): Report the unsupported reloc
	error for the deprecated relocations.
	(Target_arm::Scan::global): Likewise.
	(Target_arm::Relocate::relocate): Likewise.

2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>

	* fileread.cc (Input_file::find_file): Initialize *found_name
	and *namep when using the fallback search for case 4.

2010-10-11  Cary Coutant  <ccoutant@google.com>

	* options.h (class General_options): Redefine -z lazy as an alias for
	the negation of -z now.

2010-10-11  Ian Lance Taylor  <iant@google.com>

	* resolve.cc (symbol_to_bits): Report the value of the unsupported
	binding.

2010-10-06  Nick Clifton  <nickc@redhat.com>

	* script-sections.cc(class Memory_region): Remove
	current_lma_offset_ field.  Rename current_vma_offset_ to
	current_offset_.  Add last_section_ field.
	(Memory_region::get_current_vma_address): Rename to
	get_current_address.
	(Memory_region::get_current_lma_address): Delete.
	(Memory_region::increment_vma_offset): Rename to
	increment_offset.
	(Memory_region::increment_lma_offset): Delete.
	(Memory_region::attributes_compatible): New method.  Returns
	true if the provided section is compatible with the region.
	(Memory_region::get_last_section): New method.  Returns the last
	section to use the region.
	(Memory_region::set_last_section): New method.  Stores the last
	section to use the region.
	(Script_sections::block_in_region): New method.  Returns true if
	a block of memory is contained within a region.
	(Script_sections::find_memory_region): New method.  Locates a
	memory region to be used to set a VMA or LMA address.
	(Output_section_definition::set_section_addresses): Add code to
	check for addresses set by memory regions.
	(Output_segment::set_section_addresses): Remove memory region
	walking code.
	(Script_sections::create_segment): Add a warning if a header
	segment is created outside of any region.
	* script-sections.h (class Script_sections): Add prototypes for
	find_memory_region and block_in_region methods.
	* testsuite/memory_test.s: Use .long instead of .word.
	* testsuite/memory_test.t: Add some more output sections.
	* testsuite/memory_test.sh: Update expected output.

2010-10-02  Doug Kwan  <dougkwan@google.com>

	* symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
	defintion to symtab.h
	* symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
	declaration to defintion.

2010-10-01  Nick Clifton  <nickc@redhat.com>

	* expression.cc (eval): Replace dummy argument with NULL.
	(eval_maybe_dot): Check for a NULL result section pointer.
	(Symbol_expression::value): Likewise.
	(Dot_expression::value): Likewise.
	(BINARY_EXPRESSION): Likewise.
	(Max_expression::value): Likewise.
	(Min_expression::value): Likewise.
	(Absolute_expression::value): Likewise.
	(Addr_expression::value_from_output_section): Likewise.
	(Loaddddr_expression::value_from_output_section): Likewise.
	(Segment_start_expression::value): Likewise.
	* script-sections.cc
	(Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
	argument with NULL.
	(Sections_elememt_dot_assignment::set_section_addresses):
	Likewise.
	(Output_data_expression::do_write_to_buffer): Likewise.
	(Output_section_definition::finalize_symbols): Likewise.
	(Output_section_definition::set_section_addresses): Likewise.

2010-09-30  Doug Kwan  <dougkwan@google.com>

	* gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.

2010-09-28  Sriraman Tallam  <tmsriram@google.com>

	* target.h (Target::can_icf_inline_merge_sections): New virtual
	function.
	* x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
	virtual function.
	* i386.cc (Target_i386::can_icf_inline_merge_sections): New
	virtual function.
	* icf.cc (get_section_contents): Inline merge sections only when
	target allows it.

2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* configure: Regenerate.

2010-09-17  Ian Lance Taylor  <iant@google.com>

	* testsuite/memory_test.sh: Adjust for change of 2010-09-10.
	* testsuite/Makefile.am (memory_test.o): New target.
	(memory_test): Depend on memory_test.o, gcctestdir/ld, and
	memory_test.t.
	* testsuite/Makefile.in: Rebuild.

2010-09-17  Doug Kwan  <dougkwan@google.com>

	* arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
	defintion if relocation uses GOT entries of the symbol.
	* testsuite/icf_safe_test.sh: Fix test.
	* testsuite/icf_safe_so_test.sh: Fix test.

2010-09-16  Cary Coutant  <ccoutant@google.com>

	* script_sections.cc (class Memory_region): Remove "NULL" from
	vector initializations.

2010-09-15  Cary Coutant  <ccoutant@google.com>

	* incremental.cc (Output_section_incremental_inputs::write_info_blocks):
	Resolve forwarding symbols.

2010-09-15  Doug Kwan  <dougkwan@google.com>

	* gold/testsuite/script_test_3.t: Add ARM special sections.
	* gold/testsuite/script_test_4.t: Same.
	* gold/testsuite/script_test_5.t: Same.
	* gold/testsuite/script_test_6.t: Same.
	* gold/testsuite/script_test_7.t: Same.
	* gold/testsuite/script_test_7.t: Same.
	* gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.

2010-09-14  Cary Coutant  <ccoutant@google.com>

	* x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
	(Target_x86_64::Relocate::relocate_tls): Replace check for
	saw_tls_block_reloc_ with test for executable section.

2010-09-12  Cary Coutant  <ccoutant@google.com>

	* symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
	position-independent executables to shared libraries need dynamic
	relocations.
	(Symbol::may_need_copy_reloc): Do not generate COPY relocs in
	position-independent executables.
	* testsuite/Makefile.am (two_file_mixed_pie_test): New test.
	* testsuite/Makefile.in: Regenerate.

2010-09-10  Nick Clifton  <nickc@redhat.com>

	PR gold/11997
	* testsuite/memory_test.t: Discard any sections that are not
	needed.

2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>

	PR gold/11996
	* object.cc (Sized_relobj::do_finalize_local_symbols): Remove
	"This::" to work around a bug in gcc 4.2.

	* testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).

2010-09-09  Rafael Espindola  <espindola@google.com>

	* layout.cc (Layout::attach_allocated_section_to_segment): Don't put
	sections with different PF_X flags in the same segment.
	(Layout::find_first_load_seg): Search all segments to find the first
	one.
	* options.h (rosegment): New.

2010-09-08  Rafael Espindola  <espindola@google.com>

	* layout.cc (Layout::set_segment_offsets): Always advance to a new page.

2010-09-08  Doug Kwan  <dougkwan@google.com>

	* arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
	(Arm_relobj::do_relocate_sections): Add new parameter for output
	file to match the parent.
	(Target_arm::scan_reloc_section_for_stubs): Use would-be final values
	of local symbols instead of input values.  Update code to track
	changes in gold::relocate_section.
	* object.cc (Sized_relobj::compute_final_local_value): New methods.
	(Sized_relobj::compute_final_local_value_internal): New methods.
	(Sized_relobj::do_finalize_local_symbols): Move code from loop
	body into private version of Sized_relobj::compute_final_local_value.
	Call the inline method.
	* object.h (Symbol_value::Symbol_value): Define destructor.  Free
	merged symbol value if there is one.
	(Symbol_value::has_output_value): New method defintiion.
	(Sized_relobj::Compute_final_local_value_status): New enum type.
	(Sized_relobj::compute_final_local_value): New methods.
	(Sized_relobj::compute_final_local_value_internal): New methods.
	* Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
	and arm_cortex_a8.sh.
	(thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
	arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
	New tests.
	* Makefile.in: Regenerate.
	* testsuite/arm_bl_out_of_range.s: Update test.
	* testsuite/thumb_bl_out_of_range.s: Ditto.
	* testsuite/thumb_blx_out_of_range.s: Ditto.
	* testsuite/arm_branch_out_of_range.sh: New file.
	* testsuite/arm_cortex_a8.sh: Ditto.
	* testsuite/arm_cortex_a8_b.s: Ditto.
	* testsuite/arm_cortex_a8_b_cond.s: Ditto.
	* testsuite/arm_cortex_a8_b_local.s: Ditto.
	* testsuite/arm_cortex_a8_bl.s: Ditto.
	* testsuite/arm_cortex_a8_blx.s: Ditto.
	* testsuite/arm_cortex_a8_local.s: Ditto.
	* testsuite/arm_cortex_a8_local_reloc.s: Ditto.
	* testsuite/thumb_bl_out_of_range_local.s: Ditto.

2010-09-08  Rafael Espindola  <espindola@google.com>

	* Makefile.am (memory_test.stdout): Run readelf with -W.
	* Makefile.in: Regenerate.
	* testsuite/memory_test.sh: Make the regexps accept both 32 and
	64 bit output.

2010-09-08  Rafael Espindola  <espindola@google.com>

	* script-sections.cc (Script_sections::add_memory_region): Convert
	field precision to int.
	* script.cc (script_set_section_region, script_set_section_region):
	Convert field precision to int.

2010-09-08  Rafael Espindola  <espindola@google.com>

	* arm.cc (do_finalize_sections): Create the __exidx_start and
	__exdix_end symbols even when the section is missing.

2010-09-08  Nick Clifton  <nickc@redhat.com>

	* README: Remove claim that MEMORY is not supported.
	* expression.cc (script_exp_function_origin)
	(script_exp_function_length): Move from here to ...
	* script.cc: ... here.
	(script_set_section_region, script_add_memory)
	(script_parse_memory_attr, script_include_directive): New
	functions.
	* script-sections.cc
	(class Memory_region): New class.
	(class Output_section_definition): Add set_memory_region,
	set_section_vma, set_section_lma and get_section_name methods.
	(class Script_Sections): Add add_memory_region,
	find_memory_region, find_memory_region_origin,
	find_memory_region_length and set_memory_region methods.
	Have set_section_addresses method walk the list of set memory
	regions.
	Extend the print methos to display memory regions.
	* script-sections.h: Add prototypes for new methods.
	Add enum for MEMORY region attributes.
	* yyscript.y: Add support for parsing MEMORY regions.
	* script-c.h: Add prototypes for new functions.
	* testsuite/Makefile.am: Add test of MEMORY region functionality.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/memory_test.sh: New script.
	* testsuite/memory_test.s: New assembler source file.
	* testsuite/memory_test.t: New linker script.

2010-08-27  Doug Kwan  <dougkwan@google.com>

	* gold/resolve.cc (Symbol_table::should_override): Let a weak
	reference override an existing dynamic weak reference.
	* testsuite/Makefile.am: Add new test dyn_weak_ref.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/dyn_weak_ref.sh: New file.
	* testsuite/dyn_weak_ref_1.c: Ditto.
	* testsuite/dyn_weak_ref_2.c: Ditto.

2010-08-27  Ian Lance Taylor  <iant@google.com>

	* incremental.h (class Incremental_input_entry): Add virtual
	destructor.

2010-08-27  Ian Lance Taylor  <iant@google.com>

	* testsuite/start_lib_test_3.c: Mark t3 as used.

2010-08-27  Nick Clifton  <nickc@redhat.com>

	* options.cc (version_script): Fix small typo in previous
	whitespace tidyup.

2010-08-25  Nick Clifton  <nickc@redhat.com>

	* archive.cc: Formatting fixes: Remove whitespace between
	typename and following asterisk.  Remove whitespace between
	function name and opening parenthesis.
	* archive.h: Likewise.
	* arm.cc: Likewise.
	* attributes.cc: Likewise.
	* attributes.h: Likewise.
	* common.cc: Likewise.
	* copy-relocs.cc: Likewise.
	* dirsearch.h: Likewise.
	* dynobj.cc: Likewise.
	* ehframe.cc: Likewise.
	* ehframe.h: Likewise.
	* expression.cc: Likewise.
	* fileread.cc: Likewise.
	* fileread.h: Likewise.
	* gc.h: Likewise.
	* gold-threads.cc: Likewise.
	* gold.cc: Likewise.
	* i386.cc: Likewise.
	* icf.h: Likewise.
	* incremental-dump.cc: Likewise.
	* incremental.cc: Likewise.
	* layout.cc: Likewise.
	* layout.h: Likewise.
	* main.cc: Likewise.
	* merge.cc: Likewise.
	* merge.h: Likewise.
	* object.cc: Likewise.
	* object.h: Likewise.
	* options.cc: Likewise.
	* options.h: Likewise.
	* output.cc: Likewise.
	* output.h: Likewise.
	* plugin.cc: Likewise.
	* plugin.h: Likewise.
	* powerpc.cc: Likewise.
	* reloc.cc: Likewise.
	* script-c.h: Likewise.
	* script-sections.cc: Likewise.
	* script.cc: Likewise.
	* stringpool.cc: Likewise.
	* symtab.cc: Likewise.
	* symtab.h: Likewise.
	* target.cc: Likewise.
	* timer.cc: Likewise.
	* timer.h: Likewise.
	* version.cc: Likewise.
	* x86_64.cc: Likewise.

2010-08-24  Nick Clifton  <nickc@redhat.com>

	PR 11899
	* layout.cc (segment_precedes): Sort segments by their physical
	addresses, if they have been set.

2010-08-23  Cary Coutant  <ccoutant@google.com>

	* archive.cc (Lib_group::add_symbols): Lock object before deleting its
	symbols data.
	(Lib_group::include_member): Unlock object after deleting its
	symbols data.
	* testsuite/start_lib_test_3.c: Remove all global symbols to trigger
	the bug fixed here.

2010-08-19  Neil Vachharajani  <nvachhar@google.com>
	    Cary Coutant  <ccoutant@google.com>

	* gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
	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.

2010-08-19  Ian Lance Taylor  <iant@google.com>

	* Makefile.in: Rebuild with automake 1.11.1.
	* aclocal.m4: Likewise.
	* testsuite/Makefile.in: Likewise.

2010-08-19  Ian Lance Taylor  <iant@google.com>

	PR 10893
	* 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.

2010-08-18  Ian Lance Taylor  <iant@google.com>

	* incremental.cc
	(Output_section_incremental_inputs::write_input_files): Add cast
	to avoid signed/unsigned comparison warning.
	(Output_section_incremental_inputs::write_info_blocks): Likewise.

2010-08-12  Cary Coutant  <ccoutant@google.com>

	* common.cc (Sort_commons::operator()): Remove unnecessary code.

2010-08-13  Ian Lance Taylor  <iant@google.com>

	* testsuite/incremental_test_1.c: Add prototype to avoid warning.

2010-08-12  Cary Coutant  <ccoutant@google.com>
	    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.

2010-08-12  Cary Coutant  <ccoutant@google.com>

	* testsuite/incremental_test.sh: Rewrite.
	* testsuite/incremental_test_1.c: Rewrite.
	* testsuite/incremental_test_2.c: Rewrite.

2010-08-12  Cary Coutant  <ccoutant@google.com>

	* 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.

2010-08-12  Cary Coutant  <ccoutant@google.com>

	* 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.

2010-08-12  Doug Kwan  <dougkwan@google.com>

	* arm.cc (Target_arm::merge_object_attributes): Check command line
	options --no-wchar-size-warning and --no-enum-size-warning.
	* options.h (General_options): Add ld-compatible options
	--no-enum-size-warning and --no-wchar-size-warning.

2010-08-04  Ian Lance Taylor  <iant@google.com>

	* x86_64.cc (Target_x86_64::Scan::local): Use
	R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
	R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
	(Target_x86_64::Scan::global): Likewise.
	(Target_x86_64::Relocate::relocate): Likewise.
	(Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
	Likewise.

2010-08-03  Cary Coutant  <ccoutant@google.com>

	* merge.cc (Output_merge_string::do_add_input_section): Count strings
	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.

2010-08-03  Ian Lance Taylor  <iant@google.com>

	PR 11712
	* layout.cc (relaxation_loop_body): If address of load segment is
	set, adjust address to include headers if possible.

2010-08-03  Ian Lance Taylor  <iant@google.com>

	* version.cc (version_string): Bump to 1.10.

2010-08-03  Ian Lance Taylor  <iant@google.com>

	PR 11805
	* layout.h (enum Output_section_order): Define.
	(class Layout): Update declarations.
	* layout.cc (Layout::get_output_section): Add order parameter.
	Remove is_interp, is_dynamic_linker_section, is_last_relro, and
	is_first_non_relro parameters.  Change all callers.
	(Layout::choose_output_section): Likewise.
	(Layout::add_output_section_data): Likewise.
	(Layout::make_output_section): Likewise.  Set order.
	(Layout::default_section_order): New function.
	(Layout::layout_eh_frame): Call add_output_section_to_nonload.
	* output.cc (Output_section::Output_section): Initialize order_.
	Don't initialize deleted fields.
	(Output_segment::Output_segment): Don't initialize deleted
	fields.
	(Output_segment::add_output_section_to_load): New function
	replacing add_output_section.  Change all callers to call this or
	add_output_section_to_nonload.
	(Output_segment::add_output_section_to_nonload): New function.
	(Output_segment::remove_output_section): Rewrite.
	(Output_segment::add_initial_output_data): Likewise.
	(Output_segment::has_any_data_sections): Likewise.
	(Output_segment::is_first_section_relro): Likewise.
	(Output_segment::maximum_alignment): Likewise.
	(Output_segment::has_dynamic_reloc): New function replacing
	dynamic_reloc_count.  Change all callers.
	(Output_segment::has_dynamic_reloc_list): New function replacing
	dynamic_reloc_count_list.  Change all callers.
	(Output_segment::set_section_addresses): Rewrite.
	(Output_segment::set_offset): Rewrite.
	(Output_segment::find_first_and_last_list): Remove.
	(Output_segment::set_tls_offsets): Rewrite.
	(Output_segment::first_section_load_address): Likewise.
	(Output_segment::output_section_count): Likewise.
	(Output_segment::section_with_lowest_load_address): Likewise.
	(Output_segment::write_section_headers): Likewise.
	(Output_segment::print_sections_to_map): Likewise.
	* output.h (class Output_data): Remove dynamic_reloc_count_
	field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
	(Output_data::add_dynamic_reloc): Rewrite.
	(Output_data::has_dynamic_reloc): New function.
	(Output_data::dynamic_reloc_count): Remove.
	(class Output_section): Add order_ field.  Remvoe is_relro_local_,
	is_last_relro_, is_first_non_relro_, is_interp_,
	is_dynamic_linker_section_ fields.  Add order and set_order
	functions.  Remove is_relro_local, set_is_relro_local,
	is_last_relro, set_is_last_relro, is_first_non_relro,
	set_is_first_non_relro functions, is_interp, set_is_interp,
	is_dynamic_linker_section, and set_is_dynamic_linker_section
	functions.
	(class Output_segment): Change Output_data_list from std::list to
	std:;vector.  Add output_lists_ field.  Remove output_data_ and
	output_bss_ fields.  Update declarations.

2010-08-02  Ian Lance Taylor  <iant@google.com>

	* arm.cc (Target_arm::gc_process_relocs): Use typename.
	* powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
	* sparc.cc (Target_sparc::gc_process_relocs): Likewise.

2010-08-02  Ian Lance Taylor  <iant@google.com>

	PR 11855
	* script.cc (Script_options::Script_options): Initialize
	symbol_definitions_ and symbol_references_.
	(Script_options::add_symbol_assignment): Update
	symbol_definitions_ and symbol_references_.
	(Script_options::add_symbol_reference): New function.
	(script_symbol): New function.
	* script.h (class Script_options): Add symbol_definitions_ and
	symbol_references_ fields.
	(Script_options::referenced_const_iterator): New type.
	(Script_options::referenced_begin): New function.
	(Script_options::referenced_end): New function.
	(Script_options::is_referenced): New function.
	(Script_options::any_unreferenced): New function.
	* script-c.h (script_symbol): Declare.
	* yyscript.y (exp): Call script_symbol.
	* symtab.cc: Include "script.h".
	(Symbol_table::gc_mark_undef_symbols): Add layout parameter.
	Change all callers.  Check symbols referenced by scripts.
	(Symbol_table::add_undefined_symbols_from_command_line): Add
	layout parameter.  Change all callers.
	(Symbol_table::do_add_undefined_symbols_from_command_line):
	Likewise.  Break out loop body.  Check symbols referenced by
	scripts.
	(Symbol_table::add_undefined_symbol_from_command_line): New
	function broken out of
	do_add_undefined_symbols_from_command_line.
	* symtab.h (class Symbol_table): Update declarations.
	* archive.cc: Include "layout.h".
	(Archive::should_include_member): Add layout parameter.  Change
	all callers.  Check for symbol mentioned in expression.
	* archive.h (class Archive): Update declaration.
	* object.cc (Sized_relobj::do_should_include_member): Add layout
	parameter.
	* object.h (Object::should_include_member): Add layout parameter.
	Change all callers.
	(Object::do_should_include_member): Add layout parameter.
	(class Sized_relobj): Update declaration.
	* dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
	parameter.
	* dynobj.h (class Sized_dynobj): Update declaration.
	* plugin.cc (Sized_pluginobj::do_should_include_member): Add
	layout parameter.
	* plugin.h (class Sized_pluginobj): Update declaration.

2010-08-02  Ian Lance Taylor  <iant@google.com>

	PR 11866
	* 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.

2010-08-02  Ian Lance Taylor  <iant@google.com>

	* i386.cc (class Target_i386): Add got_tlsdesc_ field.
	(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.

2010-08-02  Ian Lance Taylor  <iant@google.com>

	* testsuite/final_layout.sh: Use dc to convert from hex to
	decimal.

2010-07-29  Sriraman Tallam  <tmsriram@google.com>

	* arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
	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.

2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
	* Makefile.in: Regenerate.
	* testsuite/Makefile.in: Regenerate.

2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>

	* testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
	* gold/testsuite/debug_msg.cc: Likewise.
	* gold/testsuite/odr_violation1.cc
	* gold/testsuite/odr_violation2.cc

2010-07-21  Cary Coutant  <ccoutant@google.com>

	* merge.h (Output_merge_string::Merged_string): Remove object, shndx,
	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.

2010-07-15  Cary Coutant  <ccoutant@google.com>

	* plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
	here.

2010-07-14  Ian Lance Taylor  <iant@google.com>

	* descriptors.cc (Descriptors::open): Report correct name in error
	message.

2010-07-13  Doug Kwan  <dougkwan@google.com>

	* 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.

2010-07-13  Rafael Espindola  <espindola@google.com>

	* fileread.cc (try_extra_search_path, find_file): Move to Input_file.
	* fileread.h (Input_file): Add try_extra_search_path and find_file.

2010-07-13  Philip Herron  <herron.philip@googlemail.com>
	    Ian Lance Taylor  <iant@google.com>

	* output.h (Output_section_lookup_maps::add_merge_section):
	Correct check of whether value was inserted.
	(Output_section_lookup_maps::add_merge_input_section): Likewise.
	(Output_section_lookup_maps::add_relaxed_input_section):
	Likewise.
	* arm.cc (Target_arm::got_section): Remove used local os.
	* i386.cc (Target_i386::got_section): Likewise.
	* x86_64.cc (Target_x86_64::got_section): Likewise.
	* sparc.cc (Target_sparc::got_section): Likewise.
	(Target_sparc::relocate): Remove unused local have_got_offset.
	* powerpc.cc (Target_powerpc::relocate): Likewise.

2010-07-13  Ian Lance Taylor  <iant@google.com>

	* compressed_output.cc (zlib_decompress): Fix signature in
	!HAVE_ZLIB_H case.

	* archive.cc (Archive::include_member): Unlock an external member
	of a thin archive.  Don't bother to delete an object we know is
	NULL.

2010-07-12  Cary Coutant  <ccoutant@google.com>

	* compressed_output.cc (zlib_decompress): New function.
	(get_uncompressed_size): New function.
	(decompress_input_section): New function.
	* compressed_output.h (get_uncompressed_size): New function.
	(decompress_input_section): New function.
	* dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
	Handle compressed debug sections.
	* layout.cc (is_compressed_debug_section): New function.
	(Layout::output_section_name): Map compressed section names to
	canonical names.
	* layout.h (is_compressed_debug_section): New function.
	(is_debug_info_section): Recognize compressed debug sections.
	* merge.cc: Include compressed_output.h.
	(Output_merge_data::do_add_input_section): Handle compressed
	debug sections.
	(Output_merge_string::do_add_input_section): Handle compressed
	debug sections.
	* object.cc: Include compressed_output.h.
	(Sized_relobj::Sized_relobj): Initialize new data members.
	(build_compressed_section_map): New function.
	(Sized_relobj::do_read_symbols): Handle compressed debug sections.
	* object.h (Object::section_is_compressed): New method.
	(Object::do_section_is_compressed): New method.
	(Sized_relobj::Compressed_section_map): New type.
	(Sized_relobj::do_section_is_compressed): New method.
	(Sized_relobj::compressed_sections_): New data member.
	* output.cc (Output_section::add_input_section): Handle compressed
	debug sections.
	* reloc.cc: Include compressed_output.h.
	(Sized_relobj::write_sections): Handle compressed debug sections.

2010-07-08  Cary Coutant  <ccoutant@google.com>

	* resolve.cc (Symbol_table::resolve): Remember whether undef was
	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.

2010-06-29  Doug Kwan  <dougkwan@google.com>

	* 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.

2010-06-28  Rafael Espindola  <espindola@google.com>

	* plugin.cc (Plugin::load): Use dlerror.

2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>

	* symtab.cc (detect_odr_violations): When reporting an ODR
	violation, report an object where the symbol is defined.

2010-06-25  Doug Kwan  <dougkwan@google.com>

	* 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.

2010-06-21  Rafael Espindola  <espindola@google.com>

	* 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_.

2010-06-19  Cary Coutant  <ccoutant@google.com>

	* layout.cc (gdb_sections): Add .debug_types.
	(lines_only_debug_sections): Likewise.

2010-06-18  Rafael Espindola  <espindola@google.com>

	* plugin.cc (add_input_file,add_input_library)
	(Plugin_manager::add_input_file): Make filename arguments const.
	* plugin.h (Plugin_manager::add_input_file): Make filename arguments
	const.

2010-06-16  Doug Kwan  <dougkwan@google.com>

	* arm.cc (Target_arm::do_finalize_sections): Do not emit an
	.ARM.attributes section if we have not merged any input
	attributes sections.

2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>

	* arm.cc: Allow combining objects with no EABI version
	information.

2010-06-15  Rafael Espindola  <espindola@google.com>

	* plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.

2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>

	* fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
	(struct iovec): Correct !HAVE_READV definition.

2010-06-10  Cary Coutant  <ccoutant@google.com>

	* object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
	(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.

2010-06-09  Nick Clifton  <nickc@redhat.com>

	* yyscript.y (input_list_element): Allow strings prefixed with
	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.

2010-06-07  Doug Kwan  <dougkwan@google.com>

	* 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.

2010-06-07  Damien Diederen  <dd@crosstwine.com>

	* gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
	#ifdef typo.

2010-06-03  Sriraman Tallam  <tmsriram@google.com>

	PR gold/11658
	* output.cc
	(Output_section::Input_section_sort_entry::compare_section_ordering):
	Change to return non-zero correctly.
	(Output_section::Input_section_sort_section_order_index_compare
	::operator()): Change to fix ambiguity in comparisons.

2010-06-01  Sriraman Tallam  <tmsriram@google.com>

	* gold.h (is_wildcard_string): New function.
	* layout.cc (Layout::layout): Pass this pointer to add_input_section.
	(Layout::layout_eh_frame): Ditto.
	(Layout::find_section_order_index): New method.
	(Layout::read_layout_from_file): New method.
	* layout.h (Layout::find_section_order_index): New method.
	(Layout::read_layout_from_file): New method.
	(Layout::input_section_position_): New private member.
	(Layout::input_section_glob_): New private member.
	* main.cc (main): Call read_layout_from_file here.
	* options.h (--section-ordering-file): New option.
	* output.cc (Output_section::input_section_order_specified_): New
	member.
	(Output_section::Output_section): Initialize new member.
	(Output_section::add_input_section): Add new parameter.
	Keep input sections when --section-ordering-file is used.
	(Output_section::set_final_data_size): Sort input sections when
	section ordering file is specified.
	(Output_section::Input_section_sort_entry): Add new parameter.
	Check sorting type.
	(Output_section::Input_section_sort_entry::compare_section_ordering):
	New method.
	(Output_section::Input_section_sort_compare::operator()): Change to
	consider section_order_index.
	(Output_section::Input_section_sort_init_fini_compare::operator()):
	Change to consider section_order_index.
	(Output_section::Input_section_sort_section_order_index_compare
	::operator()): New method.
	(Output_section::sort_attached_input_sections): Change to sort
	according to section order when specified.
	(Output_section::add_input_section<32, true>): Add new parameter.
	(Output_section::add_input_section<64, true>): Add new parameter.
	(Output_section::add_input_section<32, false>): Add new parameter.
	(Output_section::add_input_section<64, false>): Add new parameter.
	* output.h (Output_section::add_input_section): Add new parameter.
	(Output_section::input_section_order_specified): New
	method.
	(Output_section::set_input_section_order_specified): New method.
	(Input_section::Input_section): Initialize section_order_index_.
	(Input_section::section_order_index): New method.
	(Input_section::set_section_order_index): New method.
	(Input_section::section_order_index_): New member.
	(Input_section::Input_section_sort_section_order_index_compare): New
	struct.
	(Output_section::input_section_order_specified_): New member.
	* script-sections.cc (is_wildcard_string): Delete and move modified
	method to gold.h.
	(Output_section_element_input::Output_section_element_input): Modify
	call to is_wildcard_string.
	(Output_section_element_input::Input_section_pattern
	::Input_section_pattern): Ditto.
	(Output_section_element_input::Output_section_element_input): Ditto.
	* testsuite/Makefile.am (final_layout): New test case.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/final_layout.cc: New file.
	* testsuite/final_layout.sh: New file.

2010-06-01  Rafael Espindola  <espindola@google.com>

	* plugin.cc (Plugin::load): Pass the output name to the plugin.

2010-06-01  Rafael Espindola  <espindola@google.com>

	* plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
	visibility of symbols.

2010-05-27  Doug Kwan  <dougkwan@google.com>

	* object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
	from start of output section instead of address for a local symbol
	in a merged or relaxed section when doing a relocatable link.

2010-05-26  Rafael Espindola  <espindola@google.com>

	PR 11604
	* gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
	adding sections the garbage collector removed.
	* gold/testsuite/Makefile.am: Add test.
	* gold/testsuite/Makefile.in: Regenerate.
	* gold/testsuite/plugin_test_7.sh: New.
	* gold/testsuite/plugin_test_7_1.c: New.
	* gold/testsuite/plugin_test_7_2.c: New.

2010-05-26  Rafael Espindola  <espindola@google.com>

	* script-sections.cc (Output_section_definition::set_section_addresses):
	Check for --section-start.

2010-05-26  Doug Kwan  <dougkwan@google.com>

	* arm.cc (Arm_scan_relocatable_relocs): New class.
	(Target_arm::relocate_special_relocatable): New method.
	(Arm_relocate_functions::arm_branch_common): Handle relocatable link.
	(Arm_relocate_functions::thumb_branch_common): Same.
	(Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
	instead of Default_scan_relocatable_relocs.
	* target-reloc.h (relocate_for_relocatable): Let target handle
	relocation strategy Relocatable_relocs::RELOC_SPECIAL.
	* target.h (Sized_target::relocate_special_relocatable): New method.

2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>

	* timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.

2010-05-23  Doug Kwan  <dougkwan@google.com>

	* arm.cc (Arm_input_section::do_output_offset): Use convert_types
	instead of a cast.
	(Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
	with a direct branch, not a conditional branch, to a stub.
	* merge.cc (Output_merge_base::record_input_section): New method
	defintion.
	(Output_merge_data::do_add_input_section): Record input section if
	keeps-input-sections flag is set.
	(Output_merge_string::do_add_input_section): Ditto.
	* merge.h (Output_merge_base::Output_merge_base): Initialize new data
	members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
	INPUT_SECTIONS_.
	(Output_merge_base::keeps_input_sections,
	Output_merge_base::set_keeps_input_sections,
	Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
	method definitions.
	(Output_merge_base::Input_sections): New type declaration.
	(Output_merge_base::input_sections_begin,
	Output_merge_base::input_sections_end,
	Output_merge_base::do_set_keeps_input_sections): New method definitions.
	(Output_merge_base::bool keeps_input_sections_,
	Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
	Output_merge_base::input_sections_): New data members.
	(Output_merge_data::do_set_keeps_input_sections): New method
	defintion.
	(Output_merge_string::do_set_keeps_input_sections): Ditto.
	* output.cc (Output_section::Input_section::relobj): Move method
	defintion from class declaration to here and handle merge sections.
	(Output_section::Input_section::shndx): Ditto.
	(Output_section::Output_section): Remove initializations of removed
	data members and initialize new data member LOOKUP_MAPS_.
	(Output_section::add_input_section): Set keeps-input-sections flag
	for a newly created merge output section as appropriate.  Adjust code
	to use Output_section_lookup_maps class.
	(Output_section::add_relaxed_input_section): Adjst code for lookup
	maps code refactoring.
	(Output_section::add_merge_input_section): Add a new parameter
	KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
	class.  If adding input section to a newly created merge output
	section fails, remove the new merge section.
	(Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
	Adjust code for use of the Output_section_lookup_maps class.
	(Output_section::find_merge_section): Ditto.
	(Output_section::build_lookup_maps): New method defintion.
	(Output_section::find_relaxed_input_section): Adjust code to use
	Output_section_lookup_maps class.
	(Output_section::get_input_sections): Export merge sections.  Adjust
	code to use Output_section_lookup_maps class.
	(Output_section:::add_script_input_section): Adjust code to use
	Output_section_lookup_maps class.  Update lookup maps for merge
	sections also.
	(Output_section::discard_states): Use Output_section_lookup_maps.
	(Output_section::restore_states): Same.
	* output.h (Merge_section_properties): Move class defintion out of
	Output_section.
	(Output_section_lookup_maps): New class.
	(Output_section::Input_section::is_merge_section): New method
	defintion.
	(Output_section::Input_section::relobj): Move defintion out of class
	defintion.  Declare method only.
	(Output_section::Input_section::shndx): Ditto.
	(Output_section::Input_section::output_merge_base): New method defintion.
	(Output_section::Input_section::u2_.pomb): New union field.
	(Output_section::Merge_section_by_properties_map,
	Output_section::Output_section_data_by_input_section_map,
	Output_section::Ouptut_relaxed_input_section_by_input_section_map):
	Remove types.
	(Output_section::add_merge_input_section): Add new parameter
	KEEPS_INPUT_SECTIONS.
	(Output_section::build_lookup_maps): New method declaration.
	(Output_section::merge_section_map_,
	Output_section::merge_section_by_properties_map_,
	Output_section::relaxed_input_section_map_,
	Output_section::is_relaxed_input_section_map_valid_): Remove data
	members.
	(Output_section::lookup_maps_): New data member.

2010-05-21  Doug Kwan  <dougkwan@google.com>

	PR gold/11619
	* arm.cc (Arm_input_section::do_output_offset): Add a cast to
	avoid a compilation error.

2010-05-19  Rafael Espindola  <espindola@google.com>

	* script-sections.cc (Output_section_definition::allocate_to_segment):
	Update the phdrs_list even when the output section is NULL.
	* testsuite/Makefile.am: Add test.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/script_test_9.cc: New.
	* testsuite/script_test_9.sh: New.
	* testsuite/script_test_9.t: New.

2010-05-19  Doug Kwan  <dougkwan@google.com>

	* arm.cc (Arm_input_section::original_size): New method.
	(Arm_input_section::do_addralign): Add a cast.
	(Arm_input_section::do_output_offset): Remove static cast.
	(Arm_input_section::original_addralign,
	 Arm_input_section::original_size_): Change type to uint32_t.
	(Arm_input_section::init): Add safe casts for section alignment
	and size.
	(Arm_input_section::set_final_data_size): Do not set address and
	offset of stub table.
	(Arm_output_section::fix_exidx_coverage): Change use of of
	Output_section::Simple_input_section to that of
	Output_section::Input_section.
	(Target_arm::do_relax): Set addresses and file offsets of Stub_tables
	except for the first pass.
	* output.cc (Output_section::get_input_sections): Change type of
	input_sections to std::list<Input_section>.
	(Output_section::add_script_input_section): Rename from
	Output_section::add_simple_input_section.  Change type of SIS
	parameter from Simple_input_section to Input_section.
	* output.h (Output_section::Simple_input_section): Remove class.
	(Output_section::Input_section): Change class visibility to public.
	(Output_section::Input_section::addralign): Use stored alignments
	for special input sections if set.
	(Output_section::Input_section::set_addralign): New method.
	(Output_section::get_input_sections): Change parameter type from
	list of Simple_input_section to list of Input_section.
	(Output_section::add_script_input_section): Rename from
	Output_section::add_simple_input_section. Change first parameter's
	type from Simple_input_section to Input_section and remove the
	second and third parameters.
	* script-sections.cc (Input_section::Input_section_list): Change
	type to list of Output_section::Input_section/
	(Input_section_info::Input_section_info): Change parameter type of
	INPUT_SECTION to Output_section::Input_section.
	(Input_section_info::input_section): Change return type.
	(Input_section_info::input_section_): Change type to
	Output_section::Input_section.
	(Output_section_element_input::set_section_addresses): Adjust code
	to use Output_section::Input_section instead of
	Output_section::Simple_input_section.  Adjust code for renaming
	of Output_section::add_simple_input_section.
	(Orphan_output_section::set_section_addresses): Ditto.

2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* gold.h (Unordered_multimap, Unordered_map): Fix defines for
	when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.

2010-05-18  Rafael Espindola  <espindola@google.com>

	* options.cc (General_options::finalize): Handle -nostdlib.
	* options.h (nostdlib): New option.
	* script.cc (script_add_search_dir): Handle -nostdlib.

2010-05-12  Doug Kwan  <dougkwan@google.com>

	* arm.cc (Target_arm::do_finalize_sections): Create an empty
	attributes section only if there no attributes section after merging.
	(Target_arm::merge_object_attributes): Move value of
	Tag_MPextension_use_legacy to that of Tag_MPextension_use.
	Handle Tag_DIV_use and Tag_MPextension_use_legacy.
	* testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
	(check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
	and arm_attr_merge_7.stdout.
	(arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
	arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
	arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
	arm_attr_merge_7b.o): New rules.
	(MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
	arm_attr_merge_7
	* testsuite/Makefile.in: Regenerate.
	* testsuite/arm_attr_merge.sh: New file.
	* testsuite/arm_attr_merge_[67][ab].s: Same.

2010-05-05  Nick Clifton  <nickc@redhat.com>

	* po/es.po: Updated Spanish translation.

2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>

	* Makefile.am (install-exec-local): Properly install gold as
	default cross linker.
	* Makefile.in: Regenerated.

2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
	    Nick Clifton  <nickc@redhat.com>

	* configure.ac (install_as_default): Define and set to false
	unless --enable-gold or --enable-gold=both/gold has been
	specified.
	* configure: Regenerate.

	* Makefile.am (install-exec-local): Install the executable as
	'ld.gold'.  If install_as_default is true then also install it as
	'ld'.
	* Makefile.in: Regenerated.

2010-04-24  Ian Lance Taylor  <iant@google.com>

	* layout.cc (Layout::layout_reloc): In relocatable link don't
	combine reloc sections for grouped sections.

2010-04-23  Sriraman Tallam  <tmsriram@google.com>

	* gc.h (gc_process_relocs): Pass information on relocs pointing to
	sections that are not ordinary to icf.
	* icf.cc (get_section_contents): Handle relocation pointing to section
	with no object or shndx information.
	* testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
	* testsuite/Makefile.in: Regenerate.
	* testsuite/icf_virtual_function_folding_test.cc: Remove printf.
	* testsuite/icf_virtual_function_folding_test.sh: Delete file.

2010-04-22  Ian Lance Taylor  <iant@google.com>

	* expression.cc (Expression::Expression_eval_info): Add
	result_alignment_pointer field.
	(Expression::eval_with_dot): Add result_alignment_pointer
	parameter.  Change all callers.
	(Expression::eval_maybe_dot): Likewise.
	(class Binary_expression): Add alignment_pointer parameter to
	left_value and right_value.  Change all callers.
	(BINARY_EXPRESSION): Set result alignment.
	(class Trinary_expression): Add alignment_pointer parameter to
	arg2_value and arg3_value.  Change all callers.
	(Trinary_cond::value): Set result alignment.
	(Max_expression::value, Min_expression::value): Likewise.
	(Align_expression::value): Likewise.
	* script-sections.cc (class Sections_element): Add dot_alignment
	parameter to set_section_addresses virtual function.  Update
	instantiations.
	(class Output_section_element): Likewise.
	(Script_sections::create_segments): Add dot_alignment parameter.
	Change all callers.
	(Script_sections::create_segments_from_phdrs_clause): Likewise.
	(Script_sections::set_phdrs_clause_addresses): Likewise.
	* script-sections.h: Update declarations.
	* script.h: Update declarations.
	* output.h (Output_segment::set_minimum_p_align): Don't decrease
	min_p_align.
	* testsuite/script_test_3.t: Set large alignment.
	* testsuite/script_test_3.sh: Make sure that at least one LOAD
	segment has expected alignment.

2010-04-22  Nick Clifton  <nickc@redhat.com>

	* po/gold.pot: Updated by the Translation project.
	* po/vi.po: Updated Vietnamese translation.

2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>

	* testsuite/Makefile.am (check_PROGRAMS): Add
	icf_virtual_function_folding_test.
	* testsuite/Makefile.in: Regenerated.

2010-04-15  Andrew Haley  <aph@redhat.com>

	* options.h (merge_exidx_entries): New option.
	* arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
	(class Arm_exidx_fixup::merge_exidx_entries_): New member.
	(Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
	(Target_arm::merge_exidx_entries): New function.
	(process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
	(Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
	to Arm_exidx_fixup constructor.
	Add new arg, merge_exidx_entries.
	(Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
	Arm_output_section::fix_exidx_coverage.

2010-04-18  Sriraman Tallam  <tmsriram@google.com>

	* icf.cc (get_section_contents): Check for preemptible functions.
	Ignore addend when appropriate.
	* symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
	section folded.
	(add_from_relobj): Check for section folded.
	(set_dynsym_indexes): Fix call to should_add_dynsym_entry.
	* symtab.h (should_add_dynsym_entry): Add new parameter.
	* target-reloc.h (scan_relocs): Check for section folded.
	* x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
	Check reloc types for function pointers in shared objects.
	* testsuite/Makefile.am (icf_virtual_function_folding_test): New test
	case.
	(icf_preemptible_functions_test): New test case.
	(icf_string_merge_test): New test case.
	* testsuite.Makefile.in: Regenerate.
	* testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
	bar_glob.  Refactor code.
	* testsuite/icf_preemptible_functions_test.cc: New file.
	* testsuite/icf_preemptible_functions_test.sh: New file.
	* testsuite/icf_string_merge_test.cc: New file.
	* testsuite/icf_string_merge_test.sh: New file.
	* testsuite/icf_virtual_function_folding_test.cc: New file.
	* testsuite/icf_virtual_function_folding_test.sh: New file.

2010-04-14  Doug Kwan  <dougkwan@google.com>

	* arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
	for local symbol recounting if we remove a section due to ICF.
	* gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
	there are no regular objects in input.

2010-04-13  Doug Kwan  <dougkwan@google.com>

	* arm.cc (Arm_input_section::set_final_data_size): Compute
	accurate final data size instead of using current data size.

2010-04-09  Doug Kwan  <dougkwan@google.com>

	* layout.cc (Layout::choose_output_section): Handle script section
	types.
	(Layout::make_output_section_for_script): Add section type parameter.
	Handle script section types.
	* layout.h (Layout::make_output_section_for_script): Add section
	type parameter.
	* output.cc (Output_section::Output_section): Initialize data member
	is_noload_.
	(Output_section::do_reset_address_and_file_offset): Do not set address
	to 0 if section is a NOLOAD section.
	* output.h (Output_section::is_noload): New method.
	(Output_section::set_is_noload): Ditto.
	(Output_section::is_noload_): New data member.
	* script-c.h (Script_section_type): New enum type.
	(struct Parser_output_section_header): Add new file section_type.
	* script-sections.cc (Sections_element::output_section_name): Add
	parameter for returning script section type.
	(Output_section_definition::output_section_name): Ditto.
	(Output_section_definition::section_type)P; New method.
	(Output_section_definiton::script_section_type_name): Ditto.
	(Output_section_definition::script_section_type_): New data member.
	(Output_section_definition::Output_section_definition): Initialize
	data member Output_section_definition::script_section_type_.
	(Output_section_definition::create_sections): Pass script section type
	to Layout::make_output_section_for_script.
	(Output_section_definition::output_section_name): Return script
	section type to caller.
	(Output_section_definition::set_section_address): Do not advance
	dot value and load address if section type is NOLOAD.  Set address
	of NOLOAD sections regardless of section flags.
	(Output_section_definition::print): Print section type if it is
	not SCRIPT_SECTION_TYPE_NONE.
	(Output_section_definition::section_type): New method.
	(Output_section_definition::script_section_type_name): Ditto.
	(Script_sections::output_section_name): Add new parameter
	PSECTION_TYPE for returning script section type.  Pass it to
	section elements.  Handle discard sections.
	(Sort_output_sections::operator()): Handle NOLOAD sections.
	* script-sections.h (Script_sections::Section_type): New enum type.
	(Script_sections::output_section_name): Add a new parameter for
	returning script section type.
	* script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
	INFO and NOLOAD.
	* yyscript.y (union): Add new field SECTION_TYPE.
	(COPY, DSECT, INFO, NOLOAD): New tokens.
	(opt_address_and_section_type): Change type to output_section_header.
	(section_type): New non-terminal
	(section_header): Handle section type.
	(opt_address_and_section_type): Return section type value.

2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>

	* testsuite/plugin_common_test_1.c (foo): Add prototype.
	* testsuite/plugin_common_test_2.c (foo): Likewise.

2010-04-08  Doug Kwan  <dougkwan@google.com>

	* merge.cc (Output_merge_data::set_final_data_size): Handle empty
	Output_merge_data.
	* output.cc (Output_section::add_merge_input_section): Simplify
	code and return status of Output_merge_base::add_input_section.
	Update merge section map only if Output_merge_base::add_input_section
	returns true.

2010-04-07  Doug Kwan  <dougkwan@google.com>

	* arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
	if section is marked as containing instructions but has no mapping
	symbols.
	(Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
	correct section index.
	(Arm_relobj::find_linked_text_section): Ditto.

2010-04-07  Cary Coutant  <ccoutant@google.com>

	* archive.cc (include_member): Destroy Read_symbols_data object before
	releasing file.
	* object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
	* object.h (Read_symbols_data::Read_symbols_data) New constructor.
	(Read_symbols_data::~Read_symbols_data) New destructor.
	(Section_relocs::Section_relocs) New constructor.
	(Section_relocs::~Section_relocs) New destructor.
	(Read_relocs_data::Read_relocs_data) New constructor.
	(Read_relocs_data::~Read_relocs_data) New destructor.
	* testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
	pointers to NULL after deleting.

2010-04-07  Doug Kwan  <dougkwan@google.com>

	* arm.cc: Replace "endianity" with "endianness" in comments.
	(Arm_exidx_cantunwind): Ditto.
	(Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
	(Arm_relobj::merge_flags_and_attributes): New method.
	(Arm_relobj::merge_flags_and_attributes_): New data member.
	(Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
	(Arm_relobj::scan_sections_for_stubs): Ditto.
	(Arm_relobj::do_read_symbols): Check to see if we really want to
	merge processor-specific flags and attributes.  Exit early if
	an object is empty except for section names and the undefined symbol.
	(Target_arm::do_finalize_sections): Move check for ELF format to
	Arm_relobj::do_read_symbols.  Merge processor specific flags and
	attributes from a regular object only when we have determined that
	it is aapropriate.  Do not create an .ARM.attributes section in
	output if there is no regular input object.
	(Target_arm::merge_processor_specific_flags): Check
	--warn-mismatch before printing any error.
	(Target_arm::merge_object_attributes): Ditto.
	* gold.cc (queue_middle_tasks): Handle the case in which there is
	no regular object in input.
	* options.cc (General_options::parse_EB): New method.
	(General_options::parse_EL): Same.
	(General_options::General_options): Initialize endianness_.
	* options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
	New options.
	(General_options::Endianness): New enum.
	(General_options::endianness): New method.
	(General_options::endianness_): New data member.
	* parameters.cc (Parameters::set_options): Check target endianness.
	(Parameters::set_target_once): Ditto.
	(Parameters::check_target_endianness): New method.
	(parameters_force_valid_target): If either -EL or -EB is specified,
	use it to define endianness of default target.
	* parameters.h (Parameters::check_target_endianness): New method
	declaration.
	* target.h (class Target): Change "endianity" to "endianness"
	in comments.

2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
	* configure: Regenerate.
	* Makefile.in: Regenerate.
	* testsuite/Makefile.in: Regenerate.

2010-04-06  Cary Coutant  <ccoutant@google.com>

	gcc PR lto/42757
	* plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
	prevailing definitions of common symbols.
	* testsuite/plugin_test_6.sh: New test case.
	* testsuite/plugin_common_test_1.c: New test case.
	* testsuite/plugin_common_test_2.c: New test case.
	* testsuite/Makefile.am (plugin_test_6): New test case.
	* testsuite/Makefile.in: Regenerate.

2010-04-06  Nick Clifton  <nickc@redhat.com>

	* po/vi.po: New Vietnamese translation.

2010-03-30  Doug Kwan  <dougkwan@google.com>

	* arm.cc (Target_arm::using_thumb_only): Handle v6-M

2010-03-25  Doug Kwan  <dougkwan@google.com>

	* gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
	to avoid a conversion warning on a 32-bit host.

2010-03-24  Ian Lance Taylor  <iant@google.com>

	* testsuite/script_test_3.t: Add a TLS segment.
	* testsuite/Makefile.am (check_PROGRAMS): Add
	tls_phdrs_script_test.
	(tls_phdrs_script_test_SOURCES): Define.
	(tls_phdrs_script_test_DEPENDENCIES): Define.
	(tls_phdrs_script_test_LDFLAGS): Define.
	(tls_phdrs_script_test_LDADD): Define.
	* testsuite/Makefile.in: Rebuild.

2010-03-23  Cary Coutant  <ccoutant@google.com>

	* fileread.cc (find_or_make_view): Fix comment.

2010-03-23  Ian Lance Taylor  <iant@google.com>

	* script-sections.cc (class Orphan_section_placement): Define
	PLACE_TLS and PLACE_TLS_BSS.
	(Orphan_section_placement::Orphan_section_placement): Initialize
	new places.
	(Orphan_section_placement::find_place): Handle SHF_TLS sections.
	* testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
	(tls_script_test_SOURCES): Define.
	(tls_script_test_DEPENDENCIES): Define.
	(tls_script_test_LDFLAGS): Define.
	(tls_script_test_LDADD): Define.
	* testsuite/Makefile.in: Rebuild.

2010-03-22  Doug Kwan  <dougkwan@google.com>

	* arm.cc (Arm_relocate_functions::abs8,
	Arm_relocate_functions::abs16): Use correct check for overflow
	specified in the ARM ELF specs.
	(Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
	target of a BLX instruction specially.
	(Reloc_stub::stub_type_for_reloc): Ditto.
	(Relocate::relocate): Use symbolic names instead of numeric relocation
	codes to report error.
	(Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
	workaround.
	* testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
	thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
	thumb2_blx_out_of_range.stdout
	(thumb_bl_out_of_range, thumb_bl_out_of_range.o,
	thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
	(thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
	thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
	thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
	thumb2_blx_in_range, thumb2_blx_in_range.o,
	thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
	thumb2_blx_out_of_range.o): New rules.
	(MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
	thumb2_blx_in_range and	thumb2_blx_out_of_range.
	* testsuite/Makefile.in: Regenerate.
	* arm_branch_in_range.sh: Add tests for THUMB BLX.
	* testsuite/thumb_blx_in_range.s: New file.
	* testsuite/thumb_blx_out_of_range.s: New file.

2010-03-22  Rafael Espindola  <espindola@google.com>

	* archive.cc (Should_include): Move to archive.h.
	(should_include_member): Make it a member of Archive.
	(Lib_group): New.
	(Add_lib_group_symbols): New.
	* archive.h: Include options.h.
	(Archive_member): Moved from Archive.
	(Should_include): Moved from archive.cc.
	(Lib_group): New.
	(Add_lib_group_symbols): New.
	* dynobj.cc (do_should_include_member): New.
	* dynobj.h (do_should_include_member): New.
	* gold.cc (queue_initial_tasks): Update call to queue.
	* main.cc (main): Print lib group stats.
	* object.cc (do_should_include_member): New.
	* object.h: Include archive.h.
	(Object::should_include_member): New.
	(Object::do_should_include_member): New.
	(Sized_relobj::do_should_include_member): New.
	* options.cc (General_options::parse_start_lib): New.
	(General_options::parse_end_lib): New.
	(Input_arguments::add_file): Handle lib groups.
	(Input_arguments::start_group): Check we are not in a lib.
	(Input_arguments::start_lib): New.
	(Input_arguments::end_lib): New.
	* options.h (General_options): Add start_lib and end_lib.
	(Input_argument::lib_): New.
	(Input_argument::lib): New.
	(Input_argument::is_lib): New.
	(Input_file_lib): New.
	(Input_arguments::in_lib_): New.
	(Input_arguments::in_lib): New.
	(Input_arguments::start_lib): New.
	(Input_arguments::end_lib_): New.
	* plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
	in unused members as preempted.
	(Sized_pluginobj::do_should_include_member): New.
	* plugin.h (Sized_pluginobj::do_should_include_member): New.
	* readsyms.cc (Read_symbols::locks): If we are just reading a member,
	return the blocker.
	(Read_symbols::do_whole_lib_group): New.
	(Read_symbols::do_lib_group): New.
	(Read_symbols::do_read_symbols): Handle lib groups.
	(Read_symbols::get_name): Handle lib groups.
	* readsyms.h (Read_symbols): Add an archive member pointer.
	(Read_symbols::do_whole_lib_group): New.
	(Read_symbols::do_lib_group): New.
	(Read_symbols::member_): New.
	* script.cc (read_input_script): Update call to queue_soon.

2010-03-19  Doug Kwan  <dougkwan@google.com>

	* arm.cc (Stub_table::Stub_table): Initialize new data members
	Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
	(Stub_table::add_reloc_stub): Assign stub offset and update
	Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
	(Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
	New data members.
	(Stub_table::update_data_size_and_addralign): Use
	Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
	instead of going over all reloc stubs.
	(Stub_table::finalize_stubs): Do not assign reloc stub offsets.
	* stringpool.cc (Stringpool_template::Stringpool_template): Initialize
	Stringpool_template::offset_ to size of Stringpool_char.
	(Stringpool_template::new_key_offset): Remove code to initialize
	Stringpool_template::offset_.
	* stringpool.h (Stringpool_template::set_no_zero_null): Set
	Stringpool_template::offset_ to zero.

2010-03-15  Doug Kwan  <dougkwan@google.com>

	* stringpool.cc (Stringpool_template::Stringpool_template): Initialize
	offset_.
	(Stringpool_template::new_key_offset): New method.
	(Stringpool_template::add_string): Assign offsets when adding new
	strings.
	(Stringpool_template::set_string_offsets): Do not set string offsets
	when not optimizing.
	* stringpool.h (Chunked_vector::Chunked_vector): Initialize data
	member size_.
	(Chunked_vector::clear): Clear size_.
	(Chunked_vector::reserve): Call reserve method of all Element_vectors.
	(Chunked_vector::size): Return size_.
	(Chunked_vector::push_back): Use size_ to find insert position.
	(Chunked_vector::size_): New data member.
	(Stringpool_template::set_no_zero_null): Assert string set is empty.
	(Stringpool_template::new_key_offset): New method declaration.
	(Stringpool_template::offset_): New data member.

2010-03-15   Rafael Espindola  <espindola@google.com>

	* readsyms.cc (Read_symbols::do_read_symbols): Update calls to
	Add_symbols' constructor.
	* readsyms.h (Add_symbols): Remove the input_group member.

2010-03-10  Ian Lance Taylor  <iant@google.com>

	* reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
	target to ask whether a reference to a symbol requires a stack
	split.
	* target.h (Target::is_call_to_non_split): New function.
	(Target::do_is_call_to_non_split): Declare virtual function.
	* target.cc: Include "symtab.h".
	(Target::do_is_call_to_non_split): New function.
	* i386.cc (Target_i386::do_is_call_to_non_split): New function.

2010-03-10  Cary Coutant  <ccoutant@google.com>

	* fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
	(File_read::open[1]): Remove initial mapping of whole_file_view_.
	(File_read::open[2]): Add whole_file_view_ to list of views.
	(File_read::make_view): Remove test of whole_file_view_.
	(File_read::find_or_make_view): Create whole_file_view_ if