Add support for locating separate debug info files via the build-id method.

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

2017-01-12  Nick Clifton  <nickc@redhat.com>

	PR binutils/20876
	* opncls.c (find_separate_debug_file): Add include_dirs
	parameter.  Only include the directory part of the bfd's filename
	in search paths if include_dirs is true.  Add a couple of extra
	locations for looking for debug files.
	( bfd_follow_gnu_debuglink): Update invocation of
	find_separate_debug_file.
	(bfd_follow_gnu_debugaltlink): Likewise.
	(get_build_id): New function: Finds the build-id of the given bfd.
	(get_build_id_name): New function: Computes the name of the
	separate debug info file for a bfd, based upon its build-id.
	(check_build_id_file): New function: Checks to see if a separate
	debug info file exists at the given location, and that its
	build-id matches that of the original bfd.
	(bfd_follow_build_id_debuglink): New function: Finds a separate
	debug info file for a given bfd by using the build-id method.
	* dwarf2.c (_bfd_dwarf2_slurp_debug_info): Try using the build-id
	method of locating a separate debug info file before using the
	debuglink method.
	* bfd-in2.h: Regenerate.

2017-01-11  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/21038
	* elf64-x86-64.c (elf_x86_64_eh_frame_bnd_plt): New.
	(elf_x86_64_bnd_arch_bed): Use elf_x86_64_eh_frame_bnd_plt and
	elf_x86_64_eh_frame_plt_got.
	(elf_x86_64_size_dynamic_sections): Get unwind info from
	elf_x86_64_bnd_arch_bed for the BND PLT.

2017-01-11  Jeremy Soller  <jackpot51@gmail.com>

	* config.bfd: Add entries for i686-redox and x86_64-redox.

2017-01-10  H.J. Lu  <hongjiu.lu@intel.com>

	* elf32-i386.c (elf_i386_check_relocs): Align .eh_frame section
	to 4 bytes.
	* elf64-x86-64.c (elf_x86_64_create_dynamic_sections): Align
	.eh_frame section to 4 bytes for x32.
	(elf_x86_64_check_relocs): Likewise.

2017-01-10  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/20830
	* elf32-i386.c (elf_i386_eh_frame_plt_got): New.
	(PLT_GOT_FDE_LENGTH): Likewise.
	(elf_i386_plt_layout): Add eh_frame_plt_got and
	eh_frame_plt_got_size.
	(elf_i386_plt): Updated.
	(elf_i386_link_hash_table): Add plt_got_eh_frame.
	(elf_i386_check_relocs): Create .eh_frame section for .plt.got.
	(elf_i386_size_dynamic_sections): Allocate and initialize
	.eh_frame section for .plt.got.
	(elf_i386_finish_dynamic_sections): Adjust .eh_frame section for
	.plt.got.
	(elf_i386_nacl_plt): Add FIXME for eh_frame_plt_got and
	eh_frame_plt_got_size.
	* elf64-x86-64.c (elf_x86_64_eh_frame_plt_got): New.
	(PLT_GOT_FDE_LENGTH): Likewise.
	(elf_x86_64_backend_data): Add eh_frame_plt_got and
	eh_frame_plt_got_size.
	(elf_x86_64_arch_bed): Updated.
	(elf_x86_64_bnd_arch_bed): Add FIXME for eh_frame_plt_got and
	eh_frame_plt_got_size.
	(elf_x86_64_nacl_arch_bed): Likewise.
	(elf_x86_64_link_hash_table): Add plt_got_eh_frame.
	(elf_x86_64_check_relocs): Create .eh_frame section for .plt.got.
	(elf_x86_64_size_dynamic_sections): Allocate and initialize
	.eh_frame section for .plt.got.
	(elf_x86_64_finish_dynamic_sections): Adjust .eh_frame section
	for .plt.got.

2017-01-10  H.J. Lu  <hongjiu.lu@intel.com>

	* elf32-i386.c (elf_i386_size_dynamic_sections): Set
	plt_eh_frame->size to eh_frame_plt_size and use eh_frame_plt.

2017-01-09  Nick Clifton  <nickc@redhat.com>

	* dwarf2.c (lookup_address_in_function_table): Return early if
	there are no functions in the given comp unit, or if the high
	address of the last function in the comp unit is less than the
	desired address.

2017-01-09  Nick Clifton  <nickc@redhat.com>

	PR binutils/21013
	* coffgen.c (_bfd_coff_get_external_symbols): Generate an error
	message if there are too many symbols to load.

2017-01-04  James Clarke  <jrtc27@jrtc27.com>

	* elf64-alpha.c (elf64_alpha_relax_opt_call): Don't set tsec_free
	if relocs are cached.

2017-01-03  Rich Felker  <bugdal@aerifal.cx>

	PR ld/21017
	* elf32-microblaze.c (microblaze_elf_check_relocs): Add an entry
	for R_MICROBLAZE_GOTOFF_64.

2017-01-03  Nick Clifton  <nickc@redhat.com>

	* mach-o.c (bfd_mach_o_lookup_uuid_command): Fix compile time
	warning about using a possibly uninitialised variable.

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

	* elf32-hppa.c (ensure_undef_weak_dynamic): New function.
	(allocate_plt_static, allocate_dynrelocs): Use it.

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

	* elf-hppa.h (elf_hppa_fake_sections): Set SHF_INFO_LINK for
	.PARISC.unwind section.

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

	PR ld/20989
	* elfxx-sparc.c (gdop_relative_offset_ok): New function.
	(_bfd_sparc_elf_relocate_section): Use it to validate GOT
	indirect to GOT pointer relative code edit.

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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