Remove redundant checks for relocatable link (MIPS).

[deliverable/binutils-gdb.git] / gold / ChangeLog

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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