Enhance support for copying and stripping Solaris and ARM binaries.

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

2016-04-29  Nick Clifton  <nickc@redhat.com>

	PR 19938
	* elf-bfd.h (struct elf_backend_data): Rename
	elf_backend_set_special_section_info_and_link to
	elf_backend_copy_special_section_fields.
	* elfxx-target.h: Likewise.
	* elf.c (section_match): Ignore the SHF_INFO_LINK flag when
	comparing section flags.
	(copy_special_section_fields): New function.
	(_bfd_elf_copy_private_bfd_data): Copy the EI_ABIVERSION field.
	Perform two scans over special sections.  The first one looks for
	a direct mapping between the output section and an input section.
	The second scan looks for a possible match based upon section
	characteristics.
	* elf32-arm.c (elf32_arm_copy_special_section_fields): New
	function.  Handle setting the sh_link field of SHT_ARM_EXIDX
	sections.
	* elf32-i386.c (elf32_i386_set_special_info_link): Rename to
	elf32_i386_copy_solaris_special_section_fields.
	* elf32-sparc.c (elf32_sparc_set_special_section_info_link):
	Rename to elf32_sparc_copy_solaris_special_section_fields.
	* elf64-x86-64.c (elf64_x86_64_set_special_info_link): Rename to
	elf64_x86_64_copy_solaris_special_section_fields.

2016-04-28  Nick Clifton  <nickc@redhat.com>

	* po/zh_CN.po: Updated Chinese (simplified) translation.

2016-04-27  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/20006
	* elf64-x86-64.c (elf_x86_64_convert_load): Skip debug sections
	when estimating distances between output sections.

2016-04-27  Alan Modra  <amodra@gmail.com>

	* elflink.c (_bfd_elf_is_start_stop): New function.
	(_bfd_elf_gc_mark_rsec): Use it.
	* elf-bfd.h (_bfd_elf_is_start_stop): Declare.

2016-04-26  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>

	* elf32-rx.c (rx_set_section_contents): Avoid arithmetic on void *.
	* mmo.c (mmo_get_section_contents): Likewise.
	(mmo_set_section_contents): Likewise.

2016-04-26  H.J. Lu  <hongjiu.lu@intel.com>

	* elf-bfd.h (elf_link_hash_table): Update comments for
	dynsymcount.
	* elflink.c (_bfd_elf_link_renumber_dynsyms): Always count for
	the unused NULL entry at the head of dynamic symbol table.
	(bfd_elf_size_dynsym_hash_dynstr): Remove dynsymcount != 0
	checks.

2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>

	* elflink.c (_bfd_elf_link_create_dynstrtab): Exclude linker
	created file from dynobj.

2016-04-21  H.J. Lu  <hongjiu.lu@intel.com>

	* elflink.c (_bfd_elf_link_create_dynstrtab): Set dynobj to a
	normal input file if possible.

2016-04-21  Nick Clifton  <nickc@redhat.com>

	* aout-adobe.c: Use _bfd_generic_link_check_relocs.
	* aout-target.h: Likewise.
	* aout-tic30.c: Likewise.
	* binary.c: Likewise.
	* bout.c: Likewise.
	* coff-alpha.c: Likewise.
	* coff-rs6000.c: Likewise.
	* coff64-rs6000.c: Likewise.
	* coffcode.h: Likewise.
	* i386msdos.c: Likewise.
	* i386os9k.c: Likewise.
	* ieee.c: Likewise.
	* ihex.c: Likewise.
	* libbfd-in.h: Likewise.
	* libecoff.h: Likewise.
	* mach-o-target.c: Likewise.
	* mmo.c: Likewise.
	* nlm-target.h: Likewise.
	* oasys.c: Likewise.
	* pef.c: Likewise.
	* plugin.c: Likewise.
	* ppcboot.c: Likewise.
	* som.c: Likewise.
	* srec.c: Likewise.
	* tekhex.c: Likewise.
	* versados.c: Likewise.
	* vms-alpha.c: Likewise.
	* xsym.c: Likewise.
	* elfxx-target.h: Use _bfd_elf_link_check_relocs.
	* linker.c (bfd_link_check_relocs): New function.
	(_bfd_generic_link_check_relocs): New function.
	* targets.c (BFD_JUMP_TABLE_LINK): Add initialization of
	_bfd_link_check_relocs field.
	(struct bfd_target)L Add _bfd_link_check_relocs field.
	* bfd-in2.h: Regenerate.
	* libbfd.h: Regenerate.

2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>

	* elf32-i386.c (elf_i386_gc_sweep_hook): Removed.
	(elf_backend_gc_sweep_hook): Likewise.
	* elf64-x86-64.c (elf_x86_64_gc_sweep_hook): Likewise.
	(elf_backend_gc_sweep_hook): Likewise.

2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>

	* elflink.c (_bfd_elf_link_check_relocs): Don't check relocations
	in excluded sections

2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/19969
	* elf64-x86-64.c (check_relocs_failed): New.
	(elf_x86_64_need_pic): Moved before elf_x86_64_check_relocs.
	Support relocation agaist local symbol.  Set check_relocs_failed.
	(elf_x86_64_check_relocs): Use elf_x86_64_need_pic.  Check
	R_X86_64_32 relocation overflow.
	(elf_x86_64_relocate_section): Skip if check_relocs failed.
	Update one elf_x86_64_need_pic and remove one elf_x86_64_need_pic.

2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>

	* elf32-i386.c (elf_i386_check_relocs): Call
	_bfd_elf_create_ifunc_sections only for STT_GNU_IFUNC symbol.
	* elf64-x86-64.c (elf_x86_64_check_relocs): Likewise.

2016-04-20  H.J. Lu  <hongjiu.lu@intel.com>

	* elf-bfd.h (_bfd_elf_link_check_relocs): New.
	* elflink.c (_bfd_elf_link_check_relocs): New function.
	(elf_link_add_object_symbols): Call _bfd_elf_link_check_relocs
	if check_relocs_after_open_input is FALSE.

2016-04-20  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>

	* cache.c: Update old style function definitions.
	* elf32-m68k.c: Likewise.
	* elf64-mmix.c: Likewise.
	* stab-syms.c: Likewise.

2016-04-20  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>

	* elf32-arm.c (put_thumb2_insn): Change argument type to bfd_byte *.

2016-04-15  H.J. Lu  <hongjiu.lu@intel.com>

	* Makefile.in: Regenerated with automake 1.11.6.
	* aclocal.m4: Likewise.
	* doc/Makefile.in: Likewise.

2016-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>

	* reloc.c: Add BFD_RELOC_ARC_NPS_CMEM16 entry.
	* bfd-in2.h: Regenerate.
	* libbfd.h: Regenerate.
	* elf32-arc.c: Add 'opcode/arc.h' include.
	(struct arc_relocation_data): Add symbol_name.
	(arc_special_overflow_checks): New function.
	(arc_do_relocation): Use arc_special_overflow_checks, reindent as
	required, add an extra comment.
	(elf_arc_relocate_section): Setup symbol_name in reloc_data.

2016-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>

	* elf32-arc.c (tls_got_entries): Add 'TLS_GOT_' prefix to all
	entries.
	(elf_arc_relocate_section): Update enum uses.
	(elf_arc_check_relocs): Likewise.
	(elf_arc_finish_dynamic_symbol): Likewise.

2016-04-14  H.J. Lu  <hongjiu.lu@intel.com>

	* elf.c (_bfd_elf_copy_private_bfd_data): Replace "link" with
	"sh_link".

2016-04-14  Nick Clifton  <nickc@redhat.com>

	PR target/19938
	* elf-bbfd.h (struct elf_backend_data): New field:
	elf_strtab_flags.
	New field: elf_backend_set_special_section_info_and_link
	* elfxx-target.h (elf_backend_strtab_flags): Define if not already
	defined.
	(elf_backend_set_special_section_info_and_link): Define if not
	already defined.
	(elfNN_bed): Use elf_backend_set_special_section_info_and_link and
	elf_backend_strtab_flags macros to initialise fields in structure.
	* elf.c (_bfd_elf_make_section_from_shdr): Check for SHF_STRINGS
	being set even if SHF_MERGE is not set.
	(elf_fake_sections): Likewise.
	(section_match): New function.  Matches two ELF sections based
	upon fixed characteristics.
	(find_link): New function.  Locates a section in a BFD that
	matches a section in a different BFD.
	(_bfd_elf_copy_private_bfd_data): Copy the sh_info and sh_link
	fields of reserved sections.
	(bfd_elf_compute_section_file_positions): Set the flags for the
	.shstrtab section based upon the elf_strtab_flags field in the
	elf_backend_data structure.
	(swap_out_syms): Likewise for the .strtab section.
	* elflink.c (bfd_elf_final_link): Set the flags for the
	.strtab section based upon the elf_strtab_flags field in the
	elf_backend_data structure.
	* elf32-i386.c (elf32_i386_set_special_info_link): New function.
	(elf_backend_strtab_flags): Set to SHF_STRINGS for Solaris
	targets.
	(elf_backend_set_special_section_info_and_link): Define for
	Solaris targets.
	* elf32-sparc.c: Likewise.
	* elf64-x86-64.c: Likewise.

2016-04-11  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/19939
	* elf-bfd.h (_bfd_elf_allocate_ifunc_dyn_relocs): Add a pointer
	to bfd_boolean.
	* elf-ifunc.c (_bfd_elf_allocate_ifunc_dyn_relocs): Updated.
	Set *readonly_dynrelocs_against_ifunc_p to TRUE if dynamic reloc
	applies to read-only section.
	* elf32-i386.c (elf_i386_link_hash_table): Add
	readonly_dynrelocs_against_ifunc.
	(elf_i386_allocate_dynrelocs): Updated.
	(elf_i386_size_dynamic_sections): Issue an error for read-only
	segment with dynamic IFUNC relocations only if
	readonly_dynrelocs_against_ifunc is TRUE.
	* elf64-x86-64.c (elf_x86_64_link_hash_table): Add
	readonly_dynrelocs_against_ifunc.
	(elf_x86_64_allocate_dynrelocs): Updated.
	(elf_x86_64_size_dynamic_sections): Issue an error for read-only
	segment with dynamic IFUNC relocations only if
	readonly_dynrelocs_against_ifunc is TRUE.
	* elfnn-aarch64.c (elfNN_aarch64_allocate_ifunc_dynrelocs):
	Updated.

2016-04-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>

	* elf32-arm.c (elf32_arm_size_stubs): Move error_ret_free_local to be
	a fall through from error_ret_free_internal.  Free local_syms in
	error_ret_free_local if allocated from bfd_elf_get_elf_syms ().

2016-04-05  Cupertino Miranda  <cmiranda@synopsys.com>

	* elf32-arc.c (plt_do_relocs_for_symbol): Changed.
	(relocate_plt_for_entry): Likewise.

2016-04-05  Cupertino Miranda  <cmiranda@synopsys.com>

	* elf32-arc.c (elf_arc_check_relocs): Changed

2016-04-05  Cupertino Miranda  <cmiranda@synopsys.com>

	* elf32-arc.c (name_for_global_symbol): Changed assert.
	(get_replace_function): Created.:
	(struct arc_relocation_data): Changed to signed types.
	(defines S, L, P, PDATA): Casted to signed type.
	(defines SECTSTART, _SDA_BASE_, TLS_REL): Likewise.
	(PRINT_DEBUG_RELOC_INFO_BEFORE): Changed.
	(arc_do_relocation): Changed.

2016-04-05  Cupertino Miranda  <cmiranda@synopsys.com>

	* elf32-arc.c (name_for_global_symbol): Added assert to check for
	symbol index.
	(elf_arc_relocate_section): Added and changed asserts, validating
	the synamic symbol index.
	(elf_arc_finish_dynamic_symbol): Do not fill the dynamic
	relocation if symbol has dynindx set to -1.

2016-04-05  Maciej W. Rozycki  <macro@imgtec.com>

	* elflink.c (elf_link_add_object_symbols): Always turn hidden
	and internal symbols which have a dynamic index into local
	ones.

2016-04-04  Nick Clifton  <nickc@redhat.com>

	PR 19872
	* dwarf2.c (parse_comp_unit): Skip warning about unrecognised
	version number if the version is zero.

2016-04-01  Alan Modra  <amodra@gmail.com>

	PR 19886
	* elflink.c (on_needed_list): Recursively check needed status.
	(elf_link_add_object_symbols): Adjust.

2016-03-30  Senthil Kumar Selvaraj  <senthil_kumar.selvaraj@atmel.com>

	* elf32-avr.c (avr_elf32_load_records_from_section): Free
	internal_relocs only if they aren't cached.

2016-03-29  Nick Clifton  <nickc@redhat.com>

	PR 17334
	* elf32-bfin.c (elf32_bfinfdpic_finish_dynamic_sections): Relax
	assertion on the size of the got section to allow it to be bigger
	than the number of relocs.

2016-03-29  Toni Spets  <toni.spets@iki.fi>

	PR 19878
	* coffcode.h (coff_write_object_contents): Revert accidental
	2014-11-10 change.

2016-03-22  Alan Modra  <amodra@gmail.com>

	PR 19850
	* dwarf2.c (read_attribute_value): Skip info_ptr check for
	DW_FORM_flag_present.

2016-03-22  Nick Clifton  <nickc@redhat.com>

	* cpu-v850_rh850.c (arch_info_struct): Restore v850-rh850 as an
	architecture name for backwards compatibility.

	* peXXigen.c (_bfd_XXi_write_codeview_record): Fix possible
	unbounded stack use.

	* warning.m4 (GCC_WARN_CFLAGS): Only add -Wstack-usage if using a
	sufficiently recent version of GCC.
	* configure: Regenerate.

2016-03-22  Alan Modra  <amodra@gmail.com>

	PR 19851
	* plugin.c (try_load_plugin): Avoid -Wstack-usage warning.

2016-03-21  Andrew Burgess  <andrew.burgess@embecosm.com>

	* archures.c (bfd_mach_arc_nps400): Define.
	* bfd-in2.h: Regenerate.
	* cpu-arc.c (arch_info_struct): New entry for nps400, renumber
	some existing entries to make space.
	* elf32-arc.c (arc_elf_object_p): Add nps400 case.
	(arc_elf_final_write_processing): Likewise.

2016-03-21  Andrew Burgess  <andrew.burgess@embecosm.com>

	* elf32-arc.c (arc_elf_print_private_bfd_data): Remove use of
	EF_ARC_CPU_GENERIC.
	(arc_elf_final_write_processing): Don't bother setting cpu field
	in e_flags, this will have been set elsewhere.

2016-03-21  Andrew Burgess  <andrew.burgess@embecosm.com>

	* elf32-arc.c (arc_elf_final_write_processing): Switch to using
	EF_ARC_MACH_MSK.

2016-03-21  Nick Clifton  <nickc@redhat.com>

	* warning.m4 (GCC_WARN_CFLAGS): Add -Wstack-usage=262144
	* configure: Regenerate.
	* elf32-m68hc1x.c (elf32_m68hc11_relocate_section): Replace use of
	alloca with call to xmalloc.
	* elf32-nds32.c: Likewise.
	* elf64-hppa.c: Likewise.
	* elfxx-mips.c: Likewise.
	* pef.c: Likewise.
	* pei-x86_64.c: Likewise.
	* som.c: Likewise.
	* xsym.c: Likewise.

2016-03-15  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/19827
	* elf32-i386.c (elf_i386_check_relocs): Bind defined symbol
	locally in PIE.
	(elf_i386_relocate_section): Likewise.
	* elf64-x86-64.c (elf_x86_64_check_relocs): Likewise.
	(elf_x86_64_relocate_section): Likewise.

2016-03-15  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/19807
	* elf64-x86-64.c (elf_x86_64_relocate_section): Check
	no_reloc_overflow_check to diable R_X86_64_32/R_X86_64_32S
	relocation overflow check.

2016-03-14  H.J. Lu  <hongjiu.lu@intel.com>

	* bfd-in2.h: Regenerated.

2016-03-11  Dan Gissel  <dgisselq@ieee.org>

	PR 19713
	* elf.c (_bfd_elf_section_offset): Ensure that the returned offset
	uses bytes not octets.
	* elflink.c (resolve_section): Likewise.
	Add a bfd parameter.
	(eval_section): Pass the input_bfd to resolve_section.
	(bfd_elf_perform_complex_relocation): Convert byte offset to
	octets before read and writing values.
	(elf_link_input_bfd): Add byte to octet conversions.
	(elf_reloc_link_order): Likewise.
	(elf_fixup_link_order): Likewise.
	(bfd_elf_final_link): Likewise.
	* reloc.c (_bfd_final_link_relocate): Likewise.
	* syms.c (_bfd_stab_section_find_nearest_line): Likewise.

2016-03-10  Nick Clifton  <nickc@redhat.com>

	* config.bfd: Mark the i370 target as obsolete.

2016-03-09  Pedro Alves  <palves@redhat.com>

	* cpu-v850.c (N): Append ":old-gcc-abi" instead of " (using old
	gcc ABI)" to printable name.
	* cpu-v850_rh850.c (bfd_v850_rh850_arch): Use "v850:rh850" instead
	of "v850-rh850" as printable name.

2016-03-09  Leon Winter  <winter-gcc@bfw-online.de>

	PR ld/19623
	* cofflink.c (_bfd_coff_generic_relocate_section): Do not apply
	relocations against absolute symbols.

2016-03-09  Alan Modra  <amodra@gmail.com>

	PR binutils/19775
	* coff-alpha.c (alpha_ecoff_openr_next_archived_file): Allow zero
	length elements in the archive.

2016-03-08  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/19789
	* elflink.c (elf_link_add_object_symbols): Create dynamic sections
	for -E/--dynamic-list only when not relocatable.

2016-03-08  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/19784
	* elf32-i386.c (elf_i386_check_relocs): Increment PLT reference
	count for locally defined local IFUNC symbols in shared object.
	* elf64-x86-64.c (elf_x86_64_check_relocs): Likewise.

2016-03-08  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/19579
	* elflink.c (_bfd_elf_merge_symbol): Group common symbol checking
	together.

2016-03-08  Cupertino Miranda  <Cupertino.Miranda@synopsys.com>
	    Andrew Burgess  <andrew.burgess@embecosm.com>

	* elf32-arc.c (arc_bfd_get_32): Becomes an alias for bfd_get_32.
	(arc_bfd_put_32): Becomes an alias for bfd_put_32.
	(arc_elf_howto_init): Added assert to validate relocations.
	(get_middle_endian_relocation): Delete.
	(middle_endian_convert): New function.
	(ME): Redefine, now does nothing.
	(IS_ME): New define.
	(arc_do_relocation): Extend the attached 'ARC_RELOC_HOWTO'
	definition to call middle_endian_convert.  Add a new local
	variable and make use of this throughout. Added call to
	arc_bfd_get_8 and arc_bfd_put_8 for 8 bit relocations.

2016-03-07  Nick Clifton  <nickc@redhat.com>

	PR binutils/19775
	* archive.c (bfd_generic_openr_next_archived_file): Allow zero
	length elements in the archive.

2016-03-07  Jiong Wang  <jiong.wang@arm.com>

	* elfnn-aarch64.c (elfNN_aarch64_check_relocs): Always create .got
	section if the symbol "_GLOBAL_OFFSET_TABLE_" is referenced.

2016-03-04  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/19579
	* elflink.c (_bfd_elf_merge_symbol): Treat common symbol in
	executable as definition if the new definition comes from a
	shared library.

2016-03-02  Alan Modra  <amodra@gmail.com>

	* Makefile.in: Regenerate.
	* po/SRC-POTFILES.in: Regenerate.

2016-02-29  Cupertino Miranda  <cmiranda@synopsys.com>

	* elf32-arc.c (elf_arc_relocate_section): Added rules to fix the
	relocation addend when sections get merged.

2016-02-29  Cupertino Miranda <Cupertino.Miranda@synopsys.com>

	* elf32-arc.c (arc_elf_final_write_processing): Add condition to
	the flag change.
        (elf_arc_relocate_section): Fixes and conditions to support PIE.
	Assert for code sections dynamic relocs.

2016-02-26  Renlin Li  <renlin.li@arm.com>

	* elfnn-aarch64.c (elfNN_aarch64_howto_table): Fix signed overflow
	check for MOVW_SABS_G0, MOVW_SABS_G1, MOVW_SABS_G2.

2016-02-26  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/19609
	* elf32-i386.c (elf_i386_convert_load): Convert to R_386_32 for
	load with locally bound symbols if PIC is false or there is no
	base register.  Optimize branch to 0 if PIC is false.
	(elf_i386_relocate_section): Don't generate dynamic relocations
	against undefined weak symbols if PIC is false.
	* elf64-x86-64.c (elf_x86_64_convert_load): Disable optimization
	if we can't estimate relocation overflow with --no-relax.
	Convert to R_X86_64_32S/R_X86_64_32 for load with locally bound
	symbols if PIC is false.  Optimize branch to 0 if PIC is false.
	(elf_x86_64_relocate_section): Don't generate dynamic relocations
	against undefined weak symbols if PIC is false.

2016-02-26  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/19645
	* bfd.c (bfd): Change flags to 20 bits.
	(BFD_CONVERT_ELF_COMMON): New.
	(BFD_USE_ELF_STT_COMMON): Likewise.
	(BFD_FLAGS_SAVED): Add BFD_CONVERT_ELF_COMMON and
	BFD_USE_ELF_STT_COMMON.
	(BFD_FLAGS_FOR_BFD_USE_MASK): Likewise.
	* configure.ac: Remove --enable-elf-stt-common.
	* elf.c (swap_out_syms): Choose STT_COMMON or STT_OBJECT for
	common symbol depending on BFD_CONVERT_ELF_COMMON and
	BFD_USE_ELF_STT_COMMON.
	* elfcode.h (elf_slurp_symbol_table): Set BSF_ELF_COMMON for
	STT_COMMON.
	* elflink.c (bfd_elf_link_mark_dynamic_symbol): Also check
	STT_COMMON.
	(elf_link_convert_common_type): New function.
	(elf_link_output_extsym): Choose STT_COMMON or STT_OBJECT for
	common symbol depending on BFD_CONVERT_ELF_COMMON and
	BFD_USE_ELF_STT_COMMON.  Set sym.st_info after sym.st_shndx.
	* elfxx-target.h (TARGET_BIG_SYM): Add BFD_CONVERT_ELF_COMMON
	and BFD_USE_ELF_STT_COMMON to object_flags.
	(TARGET_LITTLE_SYM): Likewise.
	* syms.c (BSF_KEEP_G): Renamed to ...
	(BSF_ELF_COMMON): This.
	* bfd-in2.h: Regenerated.
	* config.in: Likewise.
	* configure: Likewise.

2016-02-26  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/19636
	PR ld/19704
	PR ld/19719
	* elf32-i386.c (UNDEFINED_WEAK_RESOLVED_TO_ZERO): New.
	(elf_i386_link_hash_entry): Add has_got_reloc and
	has_non_got_reloc.
	(elf_i386_link_hash_table): Add interp.
	(elf_i386_link_hash_newfunc): Initialize has_got_reloc and
	has_non_got_reloc.
	(elf_i386_copy_indirect_symbol): Copy has_got_reloc and
	has_non_got_reloc.
	(elf_i386_check_relocs): Set has_got_reloc and has_non_got_reloc.
	(elf_i386_fixup_symbol): New function.
	(elf_i386_pie_finish_undefweak_symbol): Likewise.
	(elf_i386_allocate_dynrelocs): Don't allocate space for dynamic
	relocations and discard relocations against resolved undefined
	weak symbols in executable.  Don't make resolved undefined weak
	symbols in executable dynamic.  Keep dynamic non-GOT/non-PLT
	relocation against undefined weak symbols in PIE.
	(elf_i386_size_dynamic_sections): Set interp to .interp section.
	(elf_i386_relocate_section): Don't generate dynamic relocations
	against resolved undefined weak symbols in PIE, except for
	R_386_PC32.
	(elf_i386_finish_dynamic_symbol): Keep PLT/GOT entries without
	dynamic PLT/GOT relocations for resolved undefined weak symbols.
	Don't generate dynamic relocation against resolved undefined weak
	symbol in executable.
	(elf_i386_finish_dynamic_sections): Call
	elf_i386_pie_finish_undefweak_symbol on all symbols in PIE.
	(elf_backend_fixup_symbol): New.
	* elf64-x86-64.c (UNDEFINED_WEAK_RESOLVED_TO_ZERO): New.
	(elf_x86_64_link_hash_entry): Add has_got_reloc and
	has_non_got_reloc.
	(elf_x86_64_link_hash_table): Add interp.
	(elf_x86_64_link_hash_newfunc): Initialize has_got_reloc and
	has_non_got_reloc.
	(elf_x86_64_copy_indirect_symbol): Copy has_got_reloc and
	has_non_got_reloc.
	(elf_x86_64_check_relocs): Set has_got_reloc and
	has_non_got_reloc.
	(elf_x86_64_fixup_symbol): New function.
	(elf_x86_64_pie_finish_undefweak_symbol): Likewise.
	(elf_x86_64_allocate_dynrelocs): Don't allocate space for dynamic
	relocations and discard relocations against resolved undefined
	weak symbols in executable.  Don't make resolved undefined weak
	symbols in executable dynamic.
	(elf_x86_64_size_dynamic_sections): Set interp to .interp section.
	(elf_x86_64_relocate_section): Check relocation overflow for
	dynamic relocations against unresolved weak undefined symbols.
	Don't generate dynamic relocations against resolved weak
	undefined symbols in PIE.
	(elf_x86_64_finish_dynamic_symbol): Keep PLT/GOT entries without
	dynamic PLT/GOT relocations for resolved undefined weak symbols.
	Don't generate dynamic relocation against resolved undefined weak
	symbol in executable.
	(elf_x86_64_finish_dynamic_sections): Call
	elf_x86_64_pie_finish_undefweak_symbol on all symbols in PIE.
	(elf_backend_fixup_symbol): New.

2016-02-26  Alan Modra  <amodra@gmail.com>

	* elf64-ppc.c (create_linkage_sections): Create sfpr when
	save_restore_funcs, rest of sections when not relocatable.
	(ppc64_elf_init_stub_bfd): Always call create_linkage_sections.
	(sfpr_define): Define all symbols on emitted code.
	(ppc64_elf_func_desc_adjust): Adjust for sfpr now being created
	when relocatable.  Move sfpr_define loop earlier.

2016-02-24  H.J. Lu  <hongjiu.lu@intel.com>

	* elf64-x86-64.c (elf_x86_64_need_pic): New function.
	(elf_x86_64_relocate_section): Use it.  Replace
	x86_64_elf_howto_table[r_type] with howto.

2016-02-24  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/19698
	* elflink.c (bfd_elf_record_link_assignment): Set versioned if
	symbol version is unknown.

2016-02-24  H.J. Lu  <hongjiu.lu@intel.com>

	* elf32-i386.c (elf_i386_allocate_dynrelocs): Set plt_got.offset
	to (bfd_vma) -1 when setting needs_plt to 0.
	* elf64-x86-64.c (elf_x86_64_allocate_dynrelocs): Likewise.

2016-02-23  H.J. Lu  <hongjiu.lu@intel.com>

	* elflink.c (bfd_elf_record_link_assignment): Check for shared
	library, instead of PIC, and don't check PDE when making linker
	assigned symbol dynamic.

2016-02-23  Faraz Shahbazker  <faraz.shahbazker@imgtec.com>

	* bfd/elfxx-mips.c (_bfd_mips_post_process_headers): Increment
	ABIVERSION for non-executable stack.

2016-02-23  Rich Felker  <bugdal@aerifal.cx>

	PR target/19516
	* elf32-microblaze.c (microblaze_elf_finish_dynamic_symbol):
	Always produce a RELATIVE reloc for a local symbol.

2016-02-23  Hans-Peter Nilsson  <hp@axis.com>

	Fix test-case ld-elf/pr19617b
	* elf32-cris.c (elf_cris_discard_excess_program_dynamics): Don't
	discard unused non-function symbols when --dynamic-list-data.

2016-02-22  H.J. Lu  <hongjiu.lu@intel.com>

	* elflink.c (_bfd_elf_link_renumber_dynsyms): Always create the
	dynsym section, even if it is empty, with dynamic sections.

2016-02-22  H.J. Lu  <hongjiu.lu@intel.com>

	* syms.c: Remove BSF_COMMON from comments.
	* bfd-in2.h: Regenerated.

2016-02-22  Jiong Wang  <jiong.wang@arm.com>

	* elfnn-aarch64. (aarch64_type_of_stub): Remove redundation calcuation
	for destination.  Remove useless function parameters.
	(elfNN_aarch64_size_stubs): Update parameters for aarch64_type_of_stub.

2016-02-19  Nick Clifton  <nickc@redhat.com>

	PR ld/19629
	* aoutx.h (aout_link_add_symbols): Check for out of range string
	table offsets.

	PR ld/19628
	* reloc.c (bfd_generic_get_relocated_section_contents): Stop
	processing if we encounter a reloc without an associated symbol.

2016-02-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/19617
	* elflink.c (elf_link_add_object_symbols): Always create dynamic
	sections for -E/--dynamic-list.

2016-02-17  H.J. Lu  <hongjiu.lu@intel.com>

	* elf64-x86-64.c (elf_backend_omit_section_dynsym): New.  Defined
	to bfd_true.

2016-02-16  Joseph Myers  <joseph@codesourcery.com>

	* plugin.c (plugin_vec): Set match priority to 255.
	* format.c (bfd_check_format_matches) [BFD_SUPPORTS_PLUGINS]: When
	matching against the plugin vector, take priority from there not
	from TEMP.

2016-02-15  Nick Clifton  <nickc@redhat.com>

	* elf-bfd.h (struct bfd_elf_special_section): Use unsigned values
	for length and type fields.  Use a signed value for the
	suffix_length field.

2016-02-10  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/19601
	* elf32-i386.c (elf_i386_relocate_section): Mask off the least
	significant bit in GOT offset for R_386_GOT32X.

2016-02-10  Nick Clifton  <nickc@redhat.com>

	PR 19405
	* elf32-nios2.c (nios2_elf32_install_imm16): Allow for signed
	immediate values.
	* elf-eh-frame.c (_bfd_elf_discard_section_eh_frame): Limit the
	number of messages about FDE encoding preventing .eh_frame_hdr
	generation.

2016-02-09  Nick Clifton  <nickc@redhat.com>

	* oasys.c (oasys_archive_p): Fix indentation.
	* elf32-nds32.c (nds32_elf_relax_section): Use an unsigned
	constant for left shifting.

	* elfnn-aarch64.c (elfNN_aarch64_relocate_section): Add a more
	helpful warning message to explain why certain AArch64 relocs
	might overflow.

2016-02-05  Simon Marchi  <simon.marchi@ericsson.com>

	* pe-mips.c (coff_mips_reloc): Fix formatting.

2016-02-05  Cupertino Miranda  <Cupertino.Miranda@synopsys.com>

	* cpu-arc.c: Change default archure from bfd_mach_arc_arcv2
	to bfd_mach_arc_arc600.

2016-02-04  Alan Modra  <amodra@gmail.com>

	* elf64-ppc.c (ppc64_elf_relocate_section): Adjust last patch
	for big-endian.

2016-02-02  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/19542
	* elf64-x86-64.c (elf_x86_64_convert_load): Store the estimated
	distances in the compressed_size field of the output section.

2016-02-02  Alan Modra  <amodra@gmail.com>

	* elf64-ppc.c (ppc64_elf_relocate_section): Further restrict
	ELFv2 entry optimization.

2016-02-02  H.J. Lu  <hongjiu.lu@intel.com>

	PR binutils/19547
	* elf.c (assign_section_numbers): Clear HAS_RELOC if there are
	no relocations in relocatable files.

2016-02-01  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/19553
	* elflink.c (elf_link_add_object_symbols): Don't add DT_NEEDED
	if a symbol from a library loaded via DT_NEEDED doesn't match
	the symbol referenced by regular object.

2016-02-01  Nathaniel Smith  <njs@pobox.com>

	* peicode.h (pe_ILF_build_a_bfd): Create an import symbol for both
	CODE and DATA.

2016-02-01  Alan Modra  <amodra@gmail.com>

	* elf64-x86-64.c (elf_x86_64_get_plt_sym_val): Don't abort on
	an out of range reloc_index.
	* elf32-i386.c (elf_i386_get_plt_sym_val): Likewise.

2016-02-01  Kamil Rytarowski  <n54@gmx.com>

	* Makefile.am (OPTIONAL_BACKENDS): Add netbsd-core.lo.
	(OPTIONAL_BACKENDS_CFILES): Add netbsd-core.c.
	* Makefile.in: Regenerated.

2016-02-01  Jan Kratochvil  <jan.kratochvil@redhat.com>

	* elf64-s390.c (elf_s390_reloc_name_lookup): Fix indentation.

2016-01-31  John David Anglin  <danglin@gcc.gnu.org>

	PR ld/19526
	* elf32-hppa.c (elf32_hppa_final_link): Don't sort non-regular output
	files.
	* elf64-hppa.c (elf32_hppa_final_link): Likewise.  Remove retval.

2016-01-30  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/19539
	* elf32-i386.c (elf_i386_reloc_type_class): Check relocation
	against STT_GNU_IFUNC symbol only with dynamic symbols.
	* elf64-x86-64.c (elf_x86_64_reloc_type_class): Likewise.

2016-01-28  H.J. Lu  <hongjiu.lu@intel.com>

	PR binutils/19523
	* dwarf2.c (_bfd_dwarf2_slurp_debug_info): Set BFD_DECOMPRESS to
	decompress debug sections.

2016-01-25  Maciej W. Rozycki  <macro@imgtec.com>

	* elf32-arc.c (elf_arc_finish_dynamic_symbol): Rename `index' to
	`dynindx'.

2016-01-25  Nick Clifton  <nickc@redhat.com>

	PR target/19435
	* mach-o.c (bfd_mach_o_close_and_cleanup): Suppress code to free
	dsym filename buffer.

2016-01-24  Maciej W. Rozycki  <macro@imgtec.com>

	* elfxx-mips.c (BZ16_REG_FIELD): Simplify calculation.

2016-01-24  Maciej W. Rozycki  <macro@imgtec.com>

	* elfxx-mips.c (BZ16_REG): Correct calculation.

2016-01-21  Nick Clifton  <nickc@redhat.com>

	* elf32-arc.c (ADD_RELA): Fix compile time warning errors by
	changing the type of _loc to be bfd_byte *.
	(elf_arc_finish_dynamic_symbol): Likewise.

2016-01-21  Nick Clifton  <nickc@redhat.com>

	PR ld/19455
	* elf32-arm.c (elf32_arm_create_dynamic_sections): Set the ELF
	class of the linker stub bfd.
	(elf32_arm_check_relocs): Skip check for pic format after
	processing a vxWorks R_ARM_ABS12 reloc.
	* elflink.c (bfd_elf_final_link): Check for ELFCLASSNONE when
	reporting a class mismatch.

2016-01-21  Jiong Wang  <jiong.wang@arm.com>

	* elfnn-aarch64.c (aarch64_type_of_stub): Allow insert long branch
	veneer for sym_sec != input_sec.
	(elfNN_aarch64_size_stub): Support STT_SECTION symbol.
	(elfNN_aarch64_final_link_relocate): Take rela addend into account when
	calculation destination.

2016-01-21  Alan Modra  <amodra@gmail.com>

	* elf-linux-core.h (swap_linux_prpsinfo32_out): New function.
	(swap_linux_prpsinfo64_out): New function.
	(LINUX_PRPSINFO32_SWAP_FIELDS): Delete.
	(LINUX_PRPSINFO64_SWAP_FIELDS): Delete.
	* elf.c (elfcore_write_linux_prpsinfo32): Adjust.  Don't memset.
	(elfcore_write_linux_prpsinfo64): Likewise.
	* elf32-ppc.c (swap_ppc_linux_prpsinfo32_out): New function.
	(PPC_LINUX_PRPSINFO32_SWAP_FIELDS): Delete.
	(elfcore_write_ppc_linux_prpsinfo32): Adjust.  Don't memset.

2016-01-21  Alan Modra  <amodra@gmail.com>

	* elf-linux-core.h: Rename from elf-linux-psinfo.h.
	* elf.c: Adjust #include.
	* elf32-ppc.c: Don't #include elf-linux-psinfo.h
	* Makefile.am (SOURCE_HFILES): Update.
	* Makefile.in: Regenerate.
	* po/SRC-PORFILES.in: Regenerate.

2016-01-21  Alan Modra  <amodra@gmail.com>

	* configure.ac: Move corefile selection later in file.  Move
	tdefaults code immediately after other target vector code.
	* configure: Regenerate.

2016-01-20  Mickael Guene  <mickael.guene@st.com>

	* elf32-arm.c (elf32_arm_special_sections): Remove catch of noread
	section using '.text.noread' pattern.

2016-01-19  John Baldwin  <jhb@FreeBSD.org>

	* elf.c (elfcore_grok_note): Recognize NT_FREEBSD_THRMISC notes.

2016-01-18  Miranda Cupertino  <Cupertino.Miranda@synopsys.com>
	    Zissulescu Claudiu  <Claudiu.Zissulescu@synopsys.com>

	* arc-plt.def: New file.
	* arc-plt.h: Likewise.
	* elf32-arc.c (elf_arc_abs_plt0_entry, elf_arc_abs_pltn_entry,
		       elf_arcV2_abs_plt0_entry, elf_arcV2_abs_pltn_entry,
		       elf_arc_pic_plt0_entry, elf_arc_pic_pltn_entry,
		       elf_arcV2_pic_plt0_entry, elf_arcV2_pic_pltn_entry): Remove.
	(name_for_global_symbol): Added.
	(ADD_RELA): Helper to create dynamic relocs.
	(new_got_entry_to_list): Create a new got entry in linked list.
	(symbol_has_entry_of_type): Search for specific type of entry in
	list.
	(is_reloc_for_GOT): return FALSE for any TLS related relocs.
	(is_reloc_for_TLS, arc_elf_set_private_flags)
	(arc_elf_print_private_bfd_data, arc_elf_copy_private_bfd_data)
	(arc_elf_merge_private_bfd_data): New functions.
	(debug_arc_reloc): Cleaned debug info printing.
	(PDATA reloc): Changed not to perform address alignment.
	(reverse_me): Added. Fix for ARC_32 relocs.
	(arc_do_relocation): Return bfd_reloc_of when no relocation should
	occur.
	(arc_get_local_got_ents): Renamed from arc_get_local_got_offsets.
	Changed function to access an array of list of GOT entries instead
	of just an array of offsets.
	(elf_arc_relocate_section): Added support for PIC and TLS related relocations.
	(elf_arc_check_relocs): Likewise.
	(elf_arc_adjust_dynamic_symbol, elf_arc_finish_dynamic_symbol,
	(elf_arc_finish_dynamic_sections): Likewise
	(arc_create_dynamic_sections): Modified conditions to create
	dynamic sections.
	(ADD_SYMBOL_REF_SEC_AND_RELOC): New macro.
	(plt_do_relocs_for_symbol, relocate_plt_for_symbol)
	(relocate_plt_for_entry): Changed to support new way to define PLT
	related code.
	(add_symbol_to_plt): Likewise.
	(arc_elf_link_hash_table_create): New function.

2016-01-18  Nick Clifton  <nickc@redhat.com>

	PR ld/19440
	* coff-rs6000.c (_bfd_xcoff_swap_sym_in): Sign extend external
	section number into internal section number.
	* coff64-rs6000.c (_bfd_xcoff64_swap_sym_in): Likewise.
	* coffswap.h (coff_swap_sym_in): Likewise.
	* peXXigen.c (_bfd_XXi_swap_sym_in): Likewise.
	* coffcode.h (_coff_bigobj_swap_sym_in): Make sure that internal
	section number field is big enough to hold the external value.

2016-01-17  Alan Modra  <amodra@gmail.com>

	* configure: Regenerate.

2016-01-12  Yury Usishchev  <y.usishchev@samsung.com>

	* elf32-arm.c (elf32_arm_fix_exidx_coverage): Insert cantunwind
	when address in first unwind entry does not match start of
	section.

2016-01-08  Richard Sandiford  <richard.sandiford@arm.com>
	    Jiong Wang  <jiong.wang@arm.com>

	PR ld/19368
	* elf32-arm.c (elf32_arm_reloc_type_class): Map R_ARM_IRELATIVE to
	reloc_class_ifunc.

2016-01-06  Andrew Burgess  <andrew.burgess@embecosm.com>

	* elf32-arc.c (reloc_type_to_name): Change ARC_RELOC_HOWTO to
	place 'R_' before the reloc name returned.
	(elf_arc_howto_table): Change ARC_RELOC_HOWTO to place 'R_' before
	the relocation string.

2016-01-04  Maciej W. Rozycki  <macro@imgtec.com>

	* elfxx-mips.c (mips_elf_merge_obj_abiflags): New function,
	factored out from...
	(_bfd_mips_elf_merge_private_bfd_data): ... here.

2016-01-04  Maciej W. Rozycki  <macro@imgtec.com>

	* elfxx-mips.c (_bfd_mips_elf_merge_private_bfd_data): Move
	attribute check after ELF file header flag check.

2016-01-04  Maciej W. Rozycki  <macro@imgtec.com>

	* elfxx-mips.c (mips_elf_merge_obj_attributes): Propagate the
	return status from `_bfd_elf_merge_object_attributes'.

2016-01-04  Maciej W. Rozycki  <macro@imgtec.com>

	* elfxx-mips.c (mips_elf_merge_obj_e_flags): New function,
	factored out from...
	(_bfd_mips_elf_merge_private_bfd_data): ... here.

2016-01-04  Maciej W. Rozycki  <macro@imgtec.com>

	* elfxx-mips.c (_bfd_mips_elf_merge_private_bfd_data): Fold the
	handling of input MIPS ABI flags together.

2016-01-04  Maciej W. Rozycki  <macro@imgtec.com>

	* elfxx-mips.c (_bfd_mips_elf_merge_private_bfd_data): Suppress
	attribute checks for null input.

2016-01-04  Maciej W. Rozycki  <macro@imgtec.com>

	* elfxx-mips.c (_bfd_mips_elf_merge_private_bfd_data): Use local
	pointers to target data.

2016-01-04  Maciej W. Rozycki  <macro@imgtec.com>

	* elfxx-mips.c (_bfd_mips_elf_merge_private_bfd_data): Correct
	an FP ABI warning.

2016-01-01  Alan Modra  <amodra@gmail.com>

	Update year range in copyright notice of all files.

For older changes see ChangeLog-2015 and doc/ChangeLog-0415
\f
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