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

2017-02-27  Nick Clifton  <nickc@redhat.com>

	PR ld/21180
	* elf32-microblaze.c (microblaze_elf_finish_dynamic_symbol): Avoid
	generating a seg-fault when encountering a symbol that has been
	deleted by garbage collection.

2017-02-25  Alan Modra  <amodra@gmail.com>

	* elf32-arc.c (struct dynamic_sections): Delete.
	(enum dyn_section_types): Delete.
	(dyn_section_names): Delete.
	(arc_create_dynamic_sections): Delete.
	(elf_arc_finish_dynamic_sections): Don't call the above.  Don't
	segfault on discarded .rela.plt section.
	(elf_arc_size_dynamic_sections): Formatting.  Don't call
	arc_create_dynamic_sections.  Don't allocate memory for sections
	handled by the generic linker.  Correct code finding relocs in
	read-only sections.  Set SEC_EXCLUDE on zero size .got,
	.got.plt, and .dynbss sections.  Do set .interp for pies.

2017-02-24  Andrew Waterman  <andrew@sifive.com>

	* elfnn-riscv.c (GP_NAME): New macro.
	(riscv_global_pointer_value): Use it.
	(_bfd_riscv_relax_lui): If symbol and global pointer are in same
	output section, consider only that section's alignment.

2017-02-23  Maciej W. Rozycki  <macro@imgtec.com>

	* elfxx-mips.h (_bfd_mips_relax_section): Remove prototype.
	* elfxx-mips.c (_bfd_mips_relax_section): Remove function.
	* elf64-mips.c (bfd_elf64_bfd_relax_section): Remove macro.
	* elfn32-mips.c (bfd_elf32_bfd_relax_section): Likewise.

2017-02-23  Maciej W. Rozycki  <macro@imgtec.com>

	* elfxx-mips.c (mips_elf_calculate_relocation) <R_MIPS_JALR>
	<R_MICROMIPS_JALR>: Discard relocation if `cross_mode_jump_p'
	or misaligned.

2017-02-23  Alan Modra  <amodra@gmail.com>

	PR 20744
	* elf32-ppc.c (ppc_elf_howto_raw): Correct dst_mask on all VLE
	16D relocations.
	(ppc_elf_vle_split16): Correct field mask and shift for 16D relocs.
	(ppc_elf_relocate_section): Correct calculation for VLE SDAREL
	relocs.

2017-02-22  Maciej W. Rozycki  <macro@imgtec.com>

	PR ld/20828
	* elflink.c (bfd_elf_size_dynamic_sections): Move symbol version
	processing ahead of the call to `elf_gc_sweep_symbol'.

2017-02-22  Nick Clifton  <nickc@redhat.com>

	PR binutils/21193
	* opncls.c (bfd_create_gnu_debuglink_section): Give the newly
	created section 4-byte alignment.

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

	* elf64-ppc.c (ppc64_elf_finish_dynamic_sections): Don't segfault
	on .got or .plt output section being discarded by script.
	* elf32-ppc.c (ppc_elf_finish_dynamic_sections): Likewise.  Move
	vxworks splt temp.

2017-02-21  Alan Modra  <amodra@gmail.com>

	* elf64-alpha.c (elf64_alpha_size_dynamic_sections): Only emit
	DT_RELA, DT_RELASZ, and DT_RELAENT when DT_RELASZ is non-zero.

2017-02-20  Alan Modra  <amodra@gmail.com>

	PR 21181
	* elflink.c (bfd_elf_final_link): Make DT_REL/DT_RELA zero
	if DT_RELSZ/DT_RELASZ is zero.

2017-02-17  Nick Clifton  <nickc@redhat.com>

	* compress.c (bfd_get_full_section_contents): Remember to reduce
	compressed size by the sizeof the compression header when
	decompressing the contents.

2017-02-17  Pedro Alves  <palves@redhat.com>

	* srec.c (Chunk): Rename to ...
	(_bfd_srec_len): ... this.
	(S3Forced): Rename to ...
	(_bfd_srec_forceS3): ... this.
	* objcopy.c: Adjust all references.

2017-02-17  Pedro Alves  <palves@redhat.com>

	* archive.c (bsd_write_armap): Rename to ...
	(_bfd_bsd_write_armap): ... this.
	(coff_write_armap): Rename to ...
	(_bfd_coff_write_armap): ... this.
	* libbfd-in.h (bsd_write_armap): Rename to ...
	(_bfd_bsd_write_armap): ... this.
	(coff_write_armap): Rename to ...
	(_bfd_coff_write_armap): ... this.
	* aout-target.h, aout-tic30.c: Adjust all users.
	* libbfd.h: Regenerate.

2017-02-17  Pedro Alves  <palves@redhat.com>

	* bfd-in.h (bfd_read, bfd_write): Adjust to rename.
	(warn_deprecated): Rename to ...
	(_bfd_warn_deprecated): ... this.
	* libbfd.c (warn_deprecated): Rename to ...
	(_bfd_warn_deprecated): ... this.
	* bfd-in2.h: Regenerate.

2017-02-17  Pedro Alves  <palves@redhat.com>

	* bfdio.c (real_ftell): Rename to ...
	(_bfd_real_ftell): ... this.
	(real_fseek): Rename to ...
	(_bfd_real_fseek): ... this.
	(real_fopen): Rename to ...
	(_bfd_real_fopen): ... this.
	* libbfd-in.h (real_ftell): Rename to ...
	(_bfd_real_ftell): ... this.
	(real_fseek): Rename to ...
	(_bfd_real_fseek): ... this.
	(real_fopen): Rename to ...
	(_bfd_real_fopen): ... this.
	* cache.c, dwarf2.c, opncls.c: Adjust all callers.
	* libbfd.h: Regenerate.

2017-02-17  Pedro Alves  <palves@redhat.com>

	* dwarf2.c, elf-attrs.c, elf32-nds32.c: Adjust all callers.
	* libbfd.c (read_unsigned_leb128): Rename to ...
	(_bfd_read_unsigned_leb128): ... this.
	(read_signed_leb128): Rename to ...
	(_bfd_read_signed_leb128): ... this.
	(safe_read_leb128): Rename to ...
	(_bfd_safe_read_leb128): ... this.
	* libbfd-in.h (read_unsigned_leb128): Rename to ...
	(_bfd_read_unsigned_leb128): ... this.
	(read_signed_leb128): Rename to ...
	(_bfd_read_signed_leb128): ... this.
	(safe_read_leb128): Rename to ...
	(_bfd_safe_read_leb128): ... this.
	* libbfd.h: Renegerate.

2017-02-16  Andrew Burgess  <andrew.burgess@embecosm.com>

	* dwarf2.c (_bfd_dwarf2_find_nearest_line): Perform symbol lookup
	before trying to fine matching file and line information.

2017-02-16  Andrew Burgess  <andrew.burgess@embecosm.com>

	* dwarf2.c (struct dwarf2_debug): Add orig_bfd member.
	(_bfd_dwarf2_slurp_debug_info): If stashed debug information does
	not match current bfd, then reload debug information.  Record bfd
	we're loading debug info for in the stash.  If we have debug
	informatin in the cache then perform section placement before
	returning.

2017-02-16  Alan Modra  <amodra@gmail.com>

	PR 21000
	* elf-bfd.h (struct elf_backend_data): Add no_page_alias.
	* elfxx-target.h (elf_backend_no_page_alias): Define.
	(elfNN_bed): Init new field.
	* elf.c (assign_file_positions_for_load_sections): If no_page_alias
	ensure PT_LOAD segment starts on a new page.
	* elf32-hppa.c (elf_backend_no_page_alias): Define.

2017-02-16  Alan Modra  <amodra@gmail.com>

	PR 21132
	* elf32-hppa.c (allocate_plt_static): Allocate space for relocs
	if pic.

2017-02-16  Jiong Wang <jiong.wang@arm.com>

	* bfd.c (BFD_FLAGS_SAVED): Add BFD_LINKER_CREATED.
	* bfd-in2.h: Regenerated.

2017-02-15  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/21168
	* elf32-i386.c (elf_i386_relocate_section): Allow
	"lea foo@GOT, %reg" in PIC.

2017-02-15  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/20244
	* elf32-i386.c (elf_i386_relocate_section): Properly get IFUNC
	symbol name when reporting R_386_GOT32/R_386_GOT32X relocation
	error against local IFUNC symbol without a base register for
	PIC.

2017-02-15  Maciej W. Rozycki  <macro@imgtec.com>

	* elf32-ppc.c (ppc_elf_check_relocs): Use `%H:' rather than
	`%P: %H:' with `info->callbacks->einfo'.
	(ppc_elf_relocate_section): Likewise.
	* elf64-ppc.c (ppc64_elf_check_relocs): Likewise.
	(ppc64_elf_edit_toc): Likewise.
	(ppc64_elf_relocate_section): Likewise.

2017-02-14  Alan Modra  <amodra@gmail.com>

	* elf64-ppc.c (ppc64_elf_gc_mark_dynamic_ref): Support
	--gc-keep-exported, and test versioned field of sym rather than
	looking for @ in name.

2017-02-13  Palmer Dabbelt  <palmer@dabbelt.com>

	* elfnn-riscv.c (riscv_global_pointer_value): Change _gp to
	__global_pointer$.

2017-02-13  Nick Clifton  <nickc@redhat.com>

	PR binutils/21151
	* dwarf2.c (_bfd_dwarf2_find_nearest_line): Check for an invalid
	unit length field.

2017-02-07  Andrew Waterman  <andrew@sifive.com>

	* elfnn-riscv.c (riscv_elf_finish_dynamic_sections): Only write PLT
	entry size if PLT header is written.

2017-02-06  Sheldon Lobo  <sheldon.lobo@oracle.com>

	Fix sparc64 dynamic relocation processing to use the dynamic
        symbol count.
	* elf64-sparc.c (elf64_sparc_slurp_one_reloc_table): Use 'dynamic'
	to determine if bfd_get_symcount() or bfd_get_dynamic_symcount()
	should be used.

2017-02-03  Nick Clifton  <nickc@redhat.com>

	PR 21096
	* coffcode.h (coff_write_object_contents): Enlarge size of
	s_name_buf in order to avoid compile time warning about possible
	integer truncation.
	* elf32-nds32.c (nds32_elf_ex9_import_table): Mask off lower
	32-bits of insn value before printing into buffer.

2017-02-02  Maciej W. Rozycki  <macro@imgtec.com>

	* elfxx-mips.c (mips_elf_hash_sort_data): Add
	`max_local_dynindx'.
	(mips_elf_sort_hash_table): Handle it.
	(mips_elf_sort_hash_table_f) <GGA_NONE>: For forced local
	symbols bump up `max_local_dynindx' rather than
	`max_non_got_dynindx'.

2017-02-02  Maciej W. Rozycki  <macro@imgtec.com>

	* elfxx-mips.c (mips_elf_hash_sort_data): Convert the
	`min_got_dynindx', `max_unref_got_dynindx' and
	`max_non_got_dynindx' members to the `bfd_size_type' data type.
	(mips_elf_sort_hash_table): Adjust accordingly.

2017-02-02  Maciej W. Rozycki  <macro@imgtec.com>

	* elfxx-mips.c (mips_elf_sort_hash_table): Use `htab' throughout
	to access the hash table.

2017-02-02  Maciej W. Rozycki  <macro@imgtec.com>

	* elfxx-mips.c (mips_elf_sort_hash_table): Move assertion on
	non-NULL `htab' to the beginning.

2017-02-02  Maciej W. Rozycki  <macro@imgtec.com>

	* elflink.c (elf_gc_sweep): Wrap overlong line.

2017-01-30  Maciej W. Rozycki  <macro@imgtec.com>

	* elfxx-mips.h (_bfd_mips_elf_insn32): Rename prototype to...
	(_bfd_mips_elf_linker_flags): ... this.  Add another parameter.
	* elfxx-mips.c (mips_elf_link_hash_table): Add
	`ignore_branch_isa' member.
	(mips_elf_perform_relocation): Do not treat an ISA mode mismatch
	in branch relocation calculation as an error if
	`ignore_branch_isa' has been set.
	(_bfd_mips_elf_insn32): Rename to...
	(_bfd_mips_elf_linker_flags): ... this.  Rename the `on'
	parameter to `insn32' and add an `ignore_branch_isa' parameter.
	Handle the new parameter.

2017-01-27  Hans-Peter Nilsson  <hp@axis.com>

	* elf32-cris.c (elf_cris_finish_dynamic_symbol): Remove now unused
	local variable dynobj.

	PR ld/20995
	* elf32-cris.c (elf_cris_size_dynamic_sections): Handle sdynrelro.
	(elf_cris_adjust_dynamic_symbol): Place variables copied into the
	executable from read-only sections into sdynrelro.
	(elf_cris_finish_dynamic_symbol): Select sreldynrelro for
	dynamic relocs in sdynrelro.
	(elf_backend_want_dynrelro): Define.

2017-01-25  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* config.bfd (*-*-rtemsaout*): Mark as removed.

2017-01-25  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* config.bfd (powerpcle-*-rtems*): Do not mark as removed.
	(arm-*-rtems*): Move to (arm*-*-eabi*).
	(i[3-7]86-*-rtems*): Move to (i[3-7]86-*-elf*).
	(m68-*-rtems*): Move to (m68*-*-elf*).

2017-01-25  Sebastian Huber  <sebastian.huber@embedded-brains.de>

	* config.bfd (*-*-rtemscoff*): Mark as removed.

2017-01-24  Maciej W. Rozycki  <macro@imgtec.com>

	PR ld/20828
	* elflink.c (bfd_elf_record_link_assignment): Revert last
	change and don't ever clear `forced_local'.  Set `mark'
	unconditionally.
	(elf_gc_sweep_symbol_info, elf_gc_sweep_symbol): Reorder within
	file.
	(elf_gc_sweep): Move the call to `elf_gc_sweep_symbol'...
	(bfd_elf_size_dynamic_sections): ... here.
	* elf32-ppc.c (ppc_elf_tls_setup): Don't clear `forced_local'
	and set `mark' instead in `__tls_get_addr_opt' processing.
	* elf64-ppc.c (ppc64_elf_tls_setup): Likewise.

2017-01-24  Alan Modra  <amodra@gmail.com>

	* elf32-ppc.c (ppc_elf_adjust_dynamic_symbol): Merge two cases
	where dynamic relocs are preferable.  Allow ifunc too.
	(ensure_undefweak_dynamic): New function.
	(allocate_dynrelocs): Use it here.  Move plt handling last and
	don't make symbols dynamic, simplifying loop.  Only make undef
	weak symbols with GOT entries dynamic.  Correct condition
	for GOT relocs.  Handle dynamic relocs on ifuncs.  Correct
	comments.  Remove goto.
	(ppc_elf_relocate_section): Correct test for using dynamic
	symbol on GOT relocs.  Rearrange test for emitting GOT relocs
	to suit.  Set up explicit tls_index entries and implicit GOT
	tls_index entries resolvable at link time for
	__tls_get_addr_opt.  Simplify test to clear mem for prelink.
	* elf64-ppc.c (allocate_got): Correct condition for GOT relocs.
	(ensure_undefweak_dynamic): New function.
	(allocate_dynrelocs): Use it here.  Only make undef weak symbols
	with GOT entries dynamic.  Remove unnecessary test of
	WILL_CALL_FINISH_DYNAMIC_SYMBOL in PLT handling.
	(ppc64_elf_relocate_section): Correct test for using dynamic
	symbol on GOT relocs.  Rearrange test for emitting GOT relocs
	to suit.  Set up explicit tls_index entries and implicit GOT
	tls_index entries resolvable at link time for __tls_get_addr_opt.
	Simplify expression to clear mem for prelink.

2017-01-23  Yury Norov  <ynorov@caviumnetworks.com>

	* elfnn-aarch64.c: Fix relaxations for ILP32 mode.

2017-01-20  Jiong Wang <jiong.wang@arm.com>

	* elfnn-aarch64.c (elf_aarch64_hash_symbol): New function.
	(elf_backend_hash_symbol): Define.

2017-01-18  Maciej W. Rozycki  <macro@imgtec.com>

	PR ld/20828
	* elflink.c (bfd_elf_record_link_assignment): Clear any
	`forced_local' marking for DSO symbols that are not being
	provided.

2017-01-17  Kuan-Lin Chen  <kuanlinchentw@gmail.com>

	* elfnn-riscv.c (riscv_elf_object_p): New function.

2017-01-12  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/21038
	* elf64-x86-64.c (elf_x86_64_link_hash_table): Add
	plt_bnd_eh_frame.
	(elf_x86_64_check_relocs): Create .eh_frame section for the
	.plt.bnd section.
	(elf_x86_64_size_dynamic_sections): Allocate and initialize
	.eh_frame section for the .plt.bnd section.
	(elf_x86_64_finish_dynamic_sections): Adjust .eh_frame section
	for the .plt.bnd section.

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
\f
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