binutils-gdb/gold/ChangeLog

2017-08-30  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Target_powerpc::Relocate::relocate): Nop addis on
	TPREL16_HA, and convert insn on TPREL16_LO and TPREL16_LO_DS
	relocs to use r2/r13 when addis would add zero.

2017-08-29  Alan Modra  <amodra@gmail.com>

	* options.h (tls_get_addr_optimize): New option.
	* symtab.h (Symbol::clear_in_reg, clone): New functions.
	(Sized_symbol::clone): New function.
	(Symbol_table::clone): New function.
	* resolve.cc (Symbol::clone, Sized_symbol::clone): New functions.
	* powerpc.cc (Target_powerpc::has_tls_get_addr_opt_,
	tls_get_addr_, tls_get_addr_opt_): New vars.
	(Target_powerpc::tls_get_addr_opt, tls_get_addr,
	is_tls_get_addr_opt, replace_tls_get_addr,
	set_has_tls_get_addr_opt, stk_linker): New functions.
	(Target_powerpc::Track_tls::maybe_skip_tls_get_addr_call): Add
	target param.  Update callers.  Compare symbols rather than names.
	(Target_powerpc::do_define_standard_symbols): Init tls_get_addr_
	and tls_get_addr_opt_.
	(Target_powerpc::Branch_info::mark_pltcall): Translate tls_get_addr
	sym to tls_get_addr_opt.
	(Target_powerpc::Branch_info::make_stub): Likewise.
	(Stub_table::define_stub_syms): Likewise.
	(Target_powerpc::Scan::global): Likewise.
	(Target_powerpc::Relocate::relocate): Likewise.
	(add_3_12_2, add_3_12_13, bctrl, beqlr, cmpdi_11_0, cmpwi_11_0,
	ld_11_1, ld_11_3, ld_12_3, lwz_11_3, lwz_12_3, mr_0_3, mr_3_0,
	mtlr_11, std_11_1): New constants.
	(Stub_table::eh_frame_added_): Delete.
	(Stub_table::tls_get_addr_opt_bctrl_, plt_fde_len_, plt_fde_): New vars.
	(Stub_table::init_plt_fde): New functions.
	(Stub_table::add_eh_frame, replace_eh_frame): Move definition out
	of line.  Init and use plt_fde_.
	(Stub_table::plt_call_size): Return size for tls_get_addr stub.
	Extract alignment code to..
	(Stub_table::plt_call_align): ..this new function.  Adjust all callers.
	(Stub_table::add_plt_call_entry): Set has_tls_get_addr_opt and
	tls_get_addr_opt_bctrl, and align after that.
	(Stub_table::do_write): Write out tls_get_addr stub.
	(Target_powerpc::do_finalize_sections): Emit DT_PPC_OPT
	PPC_OPT_TLS/PPC64_OPT_TLS bit.
	(Target_powerpc::Relocate::relocate): Don't check for or modify
	nop following bl for tls_get_addr stub.

2017-08-29  Alan Modra  <amodra@gmail.com>

	* symtab.h (Symbol): Split u_ into u1_ and u2_.  Adjust accessors
	to suit.  Move plt_offset_ before got_offsets_.
	* symtab.cc (Symbol::init_fields): Adjust for union change.
	(Symbol::init_base_output_data): Likewise.
	(Symbol::init_base_output_segment): Likewise.
	(Symbol::allocate_base_common): Likewise.
	(Symbol::output_section): Likewise.
	(Symbol::set_output_section): Likewise.
	(Symbol::set_output_segment): Likewise.
	* resolve.cc (Symbol::override_base): Likewise.
	(Symbol::override_base_with_special): Likewise.

2017-08-28  Igor Kudrin  <ikudrin@accesssoftek.com>

	* aarch64.cc (Target_aarch64::Relocate::relocate_tls):
	Make got_tlsdesc_offset signed and fix its calculation.
	* testsuite/Makefile.am (aarch64_tlsdesc): New test.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/aarch64_tlsdesc.s: New test source file.
	* testsuite/aarch64_tlsdesc.sh: New test script.
	* testsuite/aarch64_tlsdesc.t: New test linker script.

2017-08-28  Alan Modra  <amodra@gmail.com>

	PR 21847
	* powerpc.cc (Target_powerpc::is_elfv2_localentry0): Test
	non_zero_localentry.
	(Target_powerpc::resolve): New function.
	(powerpc_info): Set has_resolve for 64-bit.
	* target.h (Sized_target::resolve): Return bool.
	* resolve.cc (Symbol_table::resolve): Continue with normal
	processing when target resolve returns false.
	* symtab.h (Symbol::non_zero_localentry, set_non_zero_localentry):
	New accessors.
	(Symbol::non_zero_localentry_): New flag bit.
	* symtab.cc (Symbol::init_fields): Init non_zero_localentry_.

2017-08-08  Romain Geissler  <romain.geissler@gmail.com>
	    Alan Modra  <amodra@gmail.com>

	* configure.ac: Add --enable-default-hash-style option.
	* options.h (hash_style): Use DEFAULT_HASH_STYLE as default value.
	* configure: Regenerate.
	* config.in: Regenerate.

2017-08-03  James Clarke  <jrtc27@jrtc27.com>

	* options.h (General_options): Set a non-NULL second help string
	argument for relax to allow --no-relax.

2017-08-01  Alan Modra  <amodra@gmail.com>

	* ehframe.cc (Fde::operator==): New.
	(Cie::remove_fde, Eh_frame::remove_ehframe_for_plt): New.
	* ehframe.h (Fde::operator==): Declare.
	(Cie::remove_fde, Eh_frame::remove_ehframe_for_plt): Likewise.
	* layout.cc (Layout::remove_eh_frame_for_plt): New.
	* layout.h (Layout::remove_eh_frame_for_plt): Declare.
	* powerpc.cc (Target_powerpc::do_relax): Remove old eh_frame FDEs.
	(Stub_table::add_eh_frame): Delete eh_frame_added_ condition.
	Don't add eh_frame for empty stub section.
	(Stub_table::remove_eh_frame): New.

2017-07-31  Alan Modra  <amodra@gmail.com>

	* options.h (no_tls_optimize): New powerpc option.
	* powerpc.cc (Target_powerpc::abiversion, set_abiversion): Formatting.
	(Target_powerpc::stk_toc): Formatting, fix comment.
	(Target_powerpc::Track_tls::tls_get_addr_state): Rename from
	tls_get_addr.
	(Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
	Return TLSOPT_NONE when !tls_optimize.
	(Target_powerpc::add_global_pair_with_rel): Check
	for existing reloc before reserving.
	(Target_powerpc::add_local_tls_pair): Likewise.

2017-07-31  Alan Modra  <amodra@gmail.com>

	PR 21847
	* powerpc.cc (Target_powerpc::scan_relocs): Warn on --plt-localentry
	without ld.so checks.

2017-07-29  Alan Modra  <amodra@gmail.com>

	PR 21847
	* powerpc.cc (Target_powerpc::scan_relocs): Default to
	--no-plt-localentry.

2017-07-28  H.J. Lu  <hongjiu.lu@intel.com>

	PR gold/21857
	* compressed_output.cc (Output_compressed_section::set_final_data_size):
	Call put_ch_reserved to clear the reserved field for 64-bit ELF.

2017-07-26  H.J. Lu  <hongjiu.lu@intel.com>

	* mips.cc (Mips_relocate_functions): Add "llu" suffix to
	0x800080008000.

2017-07-23  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (glink_eh_frame_fde_64v2): Correct advance to
	restore of LR.
	(glink_eh_frame_fde_64v1): Advance to restore of LR at latest
	possible insn.

2017-07-18  Nick Clifton  <nickc@redhat.com>

	PR 21775
	* aarch64.cc: Fix spelling typos.
	* arm.cc: Likewise.
	* layout.cc: Likewise.
	* powerpc.cc: Likewise.
	* x86_64.cc: Likewise.

2017-07-12  Alan Modra  <amodra@gmail.com>

	* po/es.po: Update from translationproject.org/latest/gold/.
	* po/fi.po: Likewise.
	* po/fr.po: Likewise.
	* po/id.po: Likewise.
	* po/it.po: Likewise.
	* po/vi.po: Likewise.
	* po/zh_CN.po: Likewise.
	* po/ja.po: New file from translationproject.org.
	* po/sv.po: Likewise.
	* po/uk.po: Likewise.

2017-07-06  Han Shen  <shenhan@google.com>

	PR gold/21491
	* aarch64.cc (Erratum_stub::invalidate_erratum_stub): New method.
	(Erratum_stub::is_invalidated_erratum_stub): New method.
	(Stub_table::relocate_reloc_stub): Renamed from "relocate_stub".
	(Stub_table::relocate_reloc_stubs): Renamed from "relocate_stubs".
	(Stub_table::relocate_erratum_stub): New method.
	(AArch64_relobj::fix_errata_and_relocate_erratum_stubs): Renamed from
	"fix_errata".
	(Target_aarch64::relocate_reloc_stub): Renamed from "relocate_stub".

2017-06-23  Alan Modra  <amodra@gmail.com>

	* options.h (General_options): Add plt_localentry.
	* powerpc.cc (Target_powerpc::st_other): New function.
	(Target_powerpc::plt_localentry0_, plt_localentry0_init_,
	has_localentry0_): New vars.
	(Target_powerpc::plt_localentry0, set_has_localentry0,
	is_elfv2_localentry0): New functions.
	(Target_powerpc::Branch_info::mark_pltcall): Don't set tocsave or
	return true for localentry:0 calls.
	(Stub_table::Plt_stub_ent::localentry0_): New var.
	(Stub_table::add_plt_call_entry): Set localentry0_ and has_localentry0_.
	Don't set r2save_ for localentry:0 calls.
	(Output_data_glink::do_write): Save r2 in __glink_PLTresolve for elfv2.
	(Target_powerpc::scan_relocs): Default plt_localentry0_.
	(Target_powerpc::do_finalize_sections): Set DT_PPC64_OPT.
	(Target_powerpc::Relocate::relocate): Don't require nop following
	calls for localentry:0 plt calls, and don't change nop.

2017-06-23  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Target_powerpc::tocsave_loc_): New var.
	(Target_powerpc::mark_pltcall, add_tocsave, tocsave_loc): New functions.
	(Target_powerpc::Branch_info::tocsave_): New var.
	(Target_powerpc::Branch_info::mark_pltcall): New function.
	(Target_powerpc::Branch_info::make_stub): Pass tocsave_ to
	add_plt_call_entry.
	(Stub_table::Plt_stub_ent): Make public.  Add r2save_.
	(Stub_table::add_plt_call_entry): Add bool tocsave_ param.  Set
	r2save_.
	(Stub_table::find_plt_call_entry): Return Plt_stub_ent*.  Adjust
	use throughout.
	(Stub_table::do_write): Conditionally output r2 save in plt stubs.
	(Target_powerpc::Scan::local): Handle R_PPC64_TOCSAVE.
	(Target_powerpc::Scan::global): Likewise.
	(Target_powerpc::Relocate::relocate): Skip r2 save in plt call stub
	with tocsave reloc.  Replace header tocsave nop with r2 save.
	* symtab.h (struct Symbol_location_hash): Make public.

2017-06-21  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Plt_stub_key): Rename from Plt_stub_ent.  Remove indx_.
	(Plt_stub_key_hash): Rename from Plt_stub_ent_hash.
	(struct Plt_stub_ent): New.
	(Plt_stub_entries): Map from Plt_stub_key to Plt_stub_ent.  Adjust
	use throughout file.

2017-06-20  Eric Christopher  <echristo@gmail.com>

	* aarch64.cc (scan_reloc_for_stub): Use plt_address_for_global to
	calculate the symbol value.
	(scan_reloc_section_for_stubs): Allow stubs to be created for
	section symbols.
	(maybe_apply_stub): Handle creating stubs for weak symbols to
	match the code in scan_reloc_for_stub.

2017-06-20  James Clarke  <jrtc27@jrtc27.com>

	* powerpc.cc (Stub_table::define_stub_syms): Always include object's
	uniq_ value.

2017-06-15  Eric Christopher  <echristo@gmail.com>

	* aarch64.cc: Fix a few typos and grammar-os.

2017-06-15  Jiong Wang  <jiong.wang@arm.com>

	* aarch64.cc (Insn_utilities::is_mrs_tpidr_el0): New method.
	(AArch64_relobj<size, big_endian>::try_fix_erratum_843419_optimized):
	Return ture for some TLS relaxed sequences.

2017-06-07  Eric Christopher  <echristo@gmail.com>

	* aarch64.cc (maybe_apply_stub): Add debug logging for looking
	up stubs to undefined symbols and early return rather than
	fail to look them up.
	(scan_reloc_for_stub): Add debug logging for no stub creation
	for undefined symbols.

2017-05-23  Alan Modra  <amodra@gmail.com>

	PR 21503
	* options.h: Add --emit-stub-syms option.
	* powerpc.cc (object_id): New.
	(Powerpc_relobj): Add uniq_ and accessor.  Sort variables for
	better packing.
	(Powerpc_dynobj): Sort variables for better packing.
	(Target_powerpc::define_local): New function.
	(Target_powerpc::group_sections): Pass stub table size to
	Stub_table constructor.
	(Target_powerpc::do_relax): Define stub and glink symbols.
	(Stub_table): Add uniq_ variable, and id param to constructor.
	(Stub_table::Plt_stub_ent): Add indx_ variable.
	(Stub_table::Branch_stub_entries): Move typedef earlier.
	(Stub_table::branch_stub_size): Replace "to" parameter with a
	Branch_stub_entries iterator.
	(Stub_table::add_long_branch_entry): Adjust to suit.
	(Stub_table::add_plt_call_entry): Set indx_.
	(Stub_table::define_stub_syms): New function.

2017-05-15  Eric Christopher <echristo@gmail.com>

        * layout.cc (Layout::segment_precedes): Add a case for testing
        pointer equality when determining which segment precedes
        another.

2017-05-13  James Clarke  <jrtc27@jrtc27.com>

	PR gold/21444
	* gold.cc (Target_sparc::Relocate::relocate_tls): Local
	variables are final for position-independent executables. This
	has to be consistent with Target_sparc::Scan::local otherwise
	they will disagree as to whether local-exec is used.

2017-05-12  Igor Kudrin  <ikudrin@accesssoftek.com>

	PR gold/21430
	* aarch64.cc
	(AArch64_relobj::convert_input_section_to_relaxed_section):
	Set the section offset to -1ULL.
	(Target_aarch64::relocate_section): Adjust the view in case
	of a relaxed input section.
	* testsuite/Makefile.am (pr21430): New test.
	* testsuite/Makefile.in: Regenerate
	* testsuite/pr21430.s: New test source file.
	* testsuite/pr21430.sh: New test script.

2017-04-27  Alan Modra  <amodra@gmail.com>

	* testsuite/plugin_section_order.c (onload): Add missing break.

2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>

	* mips.cc (Mips_got_entry::hash()): Shift addend to reduce
	possibility of collisions.
	(Mips_got_entry::equals): Fix case for GOT_TLS_LDM
	entries.

2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>

	* mips.cc (Mips_relobj::merge_processor_specific_data_): New data
	member.
	(Mips_relobj::merge_processor_specific_data): New method.
	(Mips_relobj::do_read_symbols): Set merge_processor_specific_data_
	to false, only if the input file is a binary or if object has no
	contents except the section name string table and an empty symbol
	table with the undefined symbol.
	(Target_mips::do_finalize_sections): Refactor.  Skip empty object files
	for merging processor-specific data.

2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>

	* mips.cc (Target_mips::Relocate::calculated_value_): New data
	member.
	(Target_mips::Relocate::calculate_only_): Likewise.
	(Target_mips::Relocate::relocate): Handle multiple consecutive
	relocations with the same offset.

2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>

	* mips.cc (Target_mips::Relocate::relocate): Remove redundant
	checks for relocatable link.
	(Mips_relocate_functions::reljalr): Likewise.

2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>

	* mips.cc (class Mips_output_section_options): New class.
	(Target_mips::do_make_output_section): New method.

2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>

	* mips.cc (Mips_relocate_functions::rel26): Don't print relocation
	overflow error message.
	(Target_mips::relocate_special_relocatable): Improve relocation
	overflow error message.
	(Target_mips::Relocate::relocate): Likewise.

2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>

	* mips.cc (symbol_refs_local): Return false if a symbol
	is from a dynamic object.
	(Target_mips::got_section): Make _GLOBAL_OFFSET_TABLE_ STV_HIDDEN.
	(Target_mips::set_gp): Refactor.  Make _gp STT_NOTYPE and
	STB_LOCAL.
	(Target_mips::do_finalize_sections): Set _gp after all the checks
	for creating .got are done.
	(Target_mips::Scan::global): Remove unused code.

2017-02-22  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Target_powerpc::make_iplt_section): Check that
	output_section exists before attempting add_output_section_data.
	(Target_powerpc::make_brlt_section): Likewise.

2017-02-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>

	* mips.cc (Target_mips::Scan::get_reference_flags): Remove
	gold_unreachable from default case.

2017-02-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>

	PR gold/21111
	* mips.cc (Mips_relocate_functions::relhigher): New method.
	(Mips_relocate_functions::relhighest): Likewise.
	(mips_get_size_for_reloc): Add support for relocs: R_MIPS_HIGHER and
	R_MIPS_HIGHEST.
	(Target_mips::Scan::local): Add support for relocs: R_MIPS_HIGHER,
	R_MIPS_HIGHEST, R_MICROMIPS_HIGHER and R_MICROMIPS_HIGHEST.
	(Target_mips::Scan::global): Likewise.
	(Target_mips::Scan::get_reference_flags): Likewise.
	(Target_mips::Relocate::relocate): Call static methods for resolving
	HIGHER and HIGHEST relocations.

2017-02-03  Rahul Chaudhry  <rahulchaudhry@google.com>

	* x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
	Return true even when building pie binaries.
	(Target_x86_64::possible_function_pointer_reloc): Check opcode
	for R_X86_64_PC32 relocations.
	(Target_x86_64::local_reloc_may_be_function_pointer): Pass
	extra arguments to local_reloc_may_be_function_pointer.
	(Target_x86_64::global_reloc_may_be_function_pointer): Likewise.
	* gc.h (gc_process_relocs): Add check for STT_FUNC.
	* testsuite/Makefile.am (icf_safe_pie_test): New test case.
	* testsuite/Makefile.in: Regenerate.
	* testsuite/icf_safe_pie_test.sh: New shell script.

2017-02-03  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Powerpc_relobj::make_toc_relative): Don't crash
	when no .toc section exists.

2017-01-31  Cary Coutant  <ccoutant@gmail.com>

	PR gold/21090
	* x86_64.cc (Target_x86_64::can_convert_mov_to_lea): Add check
	for predefined symbol.
	(Target_x86_64::Relocate::relocate): Fix formatting.

2017-01-23  Rahul Chaudhry  <rahulchaudhry@google.com>

        * testsuite/icf_safe_so_test.sh: Use "set -e".
        * testsuite/icf_safe_test.sh: Likewise.
        * testsuite/icf_test.sh: Likewise.

2017-01-23  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>

	* mips.cc (Mips_output_data_plt::rel_plt): Remove const from return
	type.
	(Target_mips::make_plt_entry): Make the sh_info field of .rel.plt
	point to .plt.

2017-01-23  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>

	PR gold/21054
	* mips.cc (Mips_got_info::record_global_got_symbol): Don't add symbol
	to the dynamic symbol table if it is forced to local visibility.
	(Target_mips::do_finalize_sections): Don't add __RLD_MAP symbol to the
	dynamic symbol table if it is forced to local visibility.

2017-01-20  Nick Clifton  <nickc@redhat.com>

	* aarch64.cc (Stub_template_repertoire): Change ST_E_835769_INSNS
        from a pointer to an array.

2017-01-13  H.J. Lu  <hongjiu.lu@intel.com>

	PR gold/21040
	* powerpc.cc (Powerpc_relobj<size, big_endian>::make_toc_relative):
	Cast 0x80008000 to uint64_t.

2017-01-12  Cary Coutant  <ccoutant@gmail.com>

	* object.cc (Sized_relobj_file): Fix byte counts for calls to memmem.

2017-01-11  Cary Coutant  <ccoutant@gmail.com>

	PR gold/21040
	* x86_64.cc (Output_data_plt_x86_64_bnd::do_fill_first_plt_entry):
	Remove unnecessary 'typename' keyword.
	(Output_data_plt_x86_64_bnd::do_fill_plt_entry): Likewise.
	(Output_data_plt_x86_64_bnd::fill_aplt_entry): Likewise.
	(Output_data_plt_x86_64_bnd::do_fill_tlsdesc_entry): Likewise.
	(Output_data_plt_x86_64_bnd::do_write): Likewise.

2017-01-11  Cary Coutant  <ccoutant@gmail.com>

	PR gold/21040
	* x86_64.cc (Output_data_plt_x86_64_bnd::do_fill_first_plt_entry):
	Remove unnecessary 'typename' keyword.
	(Output_data_plt_x86_64_bnd::do_fill_plt_entry): Likewise.
	(Output_data_plt_x86_64_bnd::do_fill_tlsdesc_entry): Likewise.
	(Output_data_plt_x86_64_bnd::fill_aplt_entry): Likewise.
	* testsuite/copy_test_relro_1.cc (p, b, c, q): Add separate extern
	declarations.

2017-01-11  Cary Coutant  <ccoutant@gmail.com>

	PR gold/21039
	* testsuite/script_test_13.sh: Adjust patterns to work for i386.
	* testsuite/script_test_15a.sh: Likewise.
	* testsuite/script_test_15b.sh: Likewise.
	* testsuite/script_test_15c.sh: Likewise.

2017-01-11  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (class Powerpc_copy_relocs): New.
	(Powerpc_copy_relocs::emit): New function.
	(Powerpc_relobj::relatoc_, toc_, no_toc_opt_): New variables.
	(Powerpc_relobj::toc_shndx, set_no_toc_opt, no_toc_opt): New inlines.
	(Powerpc_relobj::do_relocate_sections): New function.
	(Powerpc_relobj::make_toc_relative): Likewise.
	(Powerpc_relobj::do_find_special_sections): Stash away .rela.toc
	and .toc too.
	(ok_lo_toc_insn): Move earlier, and handle more insns.
	(Target_powerpc::Scan::local): If optimizing toc accesses, set
	no_toc_opt for entries we can't edit.  Check insn validity.
	Emit "toc optimization is not supported" warning, downgraded
	from error.
	(Target_powerpc::Scan::global): Likewise.
	(Target_powerpc::Relocate::relocate): Edit TOC indirect code
	to TOC relative.  Don't emit "toc optimization is not supported"
	error here.

2017-01-10  Cary Coutant  <ccoutant@gmail.com>

	* aarch64.cc (AArch64_relobj::do_relocate_sections): Call
	Sized_relobj_file::relocate_section_range().
	* arm.cc (Arm_relobj::do_relocate_sections): Likewise.
	* object.h (Sized_relobj_file::relocate_section_range): New method.
	* reloc.cc (Sized_relobj_file::do_relocate_sections): Move
	implementation...
	(Sized_relobj_file::relocate_section_range): ...to new method.

2017-01-10  Alan Modra  <amodra@gmail.com>

	* testsuite/ver_test_8.sh: Accept .TOC. in lieu of
	_GLOBAL_OFFSET_TABLE_.  Allow zero count.
	* testsuite/copy_test_relro_1.cc (c, q): New vars.
	* testsuite/copy_test_relro.cc: Rewrite to test read-only
	status of variables directly.  Reference new vars in
	read-only data.

2017-01-10  Alan Modra  <amodra@gmail.com>

	* options.h: Add --secure-plt option.
	* powerpc.cc (Target_powerpc::Scan::local): Detect and error
	on -fPIC -mbss-plt code.
	(Target_powerpc::Scan::global): Likewise.

2017-01-09  Alan Modra  <amodra@gmail.com>

	* powerpc.cc (Target_powerpc::make_plt_section): Point sh_info of
	".rela.plt" at ".plt".

2017-01-07  Alan Modra  <amodra@gmail.com>

	* powerpc.cc: Use shorter equivalent elfcpp typedef for
	Reltype and reloc_size throughout.
	(Target_powerpc::symval_for_branch): Exclude dynamic symbols.
	(Target_powerpc::Scan::local): Use local var r_sym.
	(Target_powerpc::Scan::global: Likewise.
	(Target_powerpc::Relocate::relocate): Delete shadowing r_sym.

2017-01-02  Alan Modra  <amodra@gmail.com>

	Update year range in copyright notice of all files.

For older changes see ChangeLog-2016

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