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

2021-05-31  Nelson Chu  <nelson.chu@sifive.com>
	    Lifang Xia  <lifang_xia@c-sky.com>

	PR 27566
	* elfnn-riscv.c (struct riscv_elf_link_hash_table): New integer pointer
	to monitor the data segment phase.
	(bfd_elfNN_riscv_set_data_segment_info): New function called by
	after_allocation, to set the data_segment_phase from expld.dataseg.
	(_bfd_riscv_relax_section): Don't relax when data_segment_phase is
	exp_seg_relro_adjust (0x4).
	* elfxx-riscv.h (bfd_elf32_riscv_set_data_segment_info): New extern.
	(bfd_elf64_riscv_set_data_segment_info): Likewise

2021-05-28  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/27905
	* elf32-i386.c: Don't include "libiberty.h".
	(elf_howto_table): Revert commits a7664973b24 and 50c95a739c9.
	(elf_i386_rtype_to_howto): Revert commit 50c95a739c9.
	(elf_i386_info_to_howto_rel): Likewise.
	(elf_i386_tls_transition): Likewise.
	(elf_i386_relocate_section): Likewise.
	* elf64-x86-64.c (x86_64_elf_howto_table): Revert commits
	a7664973b24 and 50c95a739c9.
	(elf_x86_64_rtype_to_howto): Revert commit 50c95a739c9.
	* elfxx-x86.c (_bfd_x86_elf_parse_gnu_properties): Likewise.
	* elfxx-x86.h (elf_x86_obj_tdata): Likewise.
	(elf_x86_has_code16): Likewise.

2021-05-26  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/27905
	* elf32-i386.c: Include "libiberty.h".
	(elf_howto_table): Add 16-bit R_386_PC16 entry.
	(elf_i386_rtype_to_howto): Add a BFD argument.  Use 16-bit
	R_386_PC16 if input has 16-bit mode instructions.
	(elf_i386_info_to_howto_rel): Update elf_i386_rtype_to_howto
	call.
	(elf_i386_tls_transition): Likewise.
	(elf_i386_relocate_section): Likewise.
	* elf64-x86-64.c (x86_64_elf_howto_table): Add 16-bit
	R_X86_64_PC16 entry.
	(elf_x86_64_rtype_to_howto): Use 16-bit R_X86_64_PC16 if input
	has 16-bit mode instructions.
	* elfxx-x86.c (_bfd_x86_elf_parse_gnu_properties): Set
	elf_x86_has_code16 if relocatable input is marked with
	GNU_PROPERTY_X86_FEATURE_2_CODE16.
	* elfxx-x86.h (elf_x86_obj_tdata): Add has_code16.
	(elf_x86_has_code16): New.

2021-05-26  Nelson Chu  <nelson.chu@sifive.com>

	* elfxx-riscv.h (check_unknown_prefixed_ext): New bool.
	* elfxx-riscv.c (riscv_parse_prefixed_ext): Do not check the
	prefixed extension name if check_unknown_prefixed_ext is false.
	* elfnn-riscv.c (riscv_merge_arch_attr_info): Set
	check_unknown_prefixed_ext to false for linker.

2021-05-25  Nick Clifton  <nickc@redhat.com>

	* elf32-arn.c (struct elf_arm_obj_tdata): Add num_entries field.
	(elf32_arm_num_entries): New macro.
	(elf32_arm_allocate_local_sym_info): Initialise the new field.
	Allocate arrays individually so that buffer overruns can be
	detected by memory checkers.
	(elf32_arm_create_local_iplt): Check num_entries.
	(elf32_arm_get_plt_info): Likewise.
	(elf32_arm_final_link_relocate): Likewise.
	(elf32_arm_check_relocs): Likewise.
	(elf32_arm_size_dynamic_sections): Likewise.
	(elf32_arm_output_arch_local_syms): Likewise.

2021-05-25  Nick Clifton  <nickc@redhat.com>

	* elf32-arm.c: Fix formatting.

2021-05-25  Alan Modra  <amodra@gmail.com>

	* elf-attrs.c (elf_attr_strdup): New function.
	(_bfd_elf_attr_strdup): Use it here.
	(elf_add_obj_attr_string): New function, extracted from..
	(bfd_elf_add_obj_attr_string): ..here.
	(elf_add_obj_attr_int_string): New function, extracted from..
	(bfd_elf_add_obj_attr_int_string): ..here.
	(_bfd_elf_parse_attributes): Don't allocate an extra byte for a
	string terminator.  Instead ensure parsing doesn't go past
	end of sub-section.  Use size_t variables for lengths.

2021-05-22  Alan Modra  <amodra@gmail.com>

	* libbfd.c (_bfd_safe_read_leb128): Remove length_return parameter.
	Replace data pointer with pointer to pointer.  Increment pointer
	over bytes read.
	* libbfd-in.h (_bfd_safe_read_leb128): Update prototype.
	* elf-attrs.c (_bfd_elf_parse_attributes): Adjust to suit.  Be
	careful not to increment data pointer past end.  Remove now
	redundant pr17512 check.
	* wasm-module.c (READ_LEB128): Adjust to suit changes to
	_bfd_safe_read_leb128.
	* dwarf2.c (read_n_bytes): New inline function, old one renamed to..
	(read_blk): ..this.  Allocate and return block.  Increment bfd_byte**
	arg.
	(read_3_bytes): New function.
	(read_1_byte, read_1_signed_byte, read_2_bytes, read_4_bytes),
	(read_8_bytes, read_string, read_indirect_string),
	(read_indirect_line_string, read_alt_indirect_string): Take a
	byte_byte** arg which is incremented over bytes read.  Remove any
	bytes_read return.  Rewrite limit checks to compare lengths
	rather than pointers.
	(read_abbrevs, read_attribute_value, read_formatted_entries),
	(decode_line_info, find_abstract_instance, read_ranges),
	(read_rnglists, scan_unit_for_symbols, parse_comp_unit),
	(stash_comp_unit): Adjust to suit.  Rewrite limit checks to
	compare lengths rather than pointers.
	* libbfd.h: Regenerate.

2021-05-21  Luis Machado  <luis.machado@linaro.org>

	* elf.c (elfcore_make_memtag_note_section): New function.
	(elfcore_grok_note): Handle NT_MEMTAG note types.

2021-05-20  Andrew Burgess  <andrew.burgess@embecosm.com>

	* section.c (bfd_get_section_by_name): Return NULL if name is
	NULL.
	(bfd_get_section_by_name_if): Likewise.
	* dwarf2.c (read_section): Remove unneeded NULL check.
	(find_debug_info): Likewise.

2021-05-19  Nick Clifton  <nickc@redhat.com>

	* plugin.c (bfd_plugin_open_input): Inform the user if the limit
	on the number of open files is reached.  If possible, try to
	increase this limit before failing.

2021-05-14  Nelson Chu  <nelson.chu@sifive.com>

	* elfnn-riscv.c (riscv_resolve_pcrel_lo_relocs): Check the values
	of %pcrel_hi, before and after adding the addend.  Make sure the
	value won't be changed, otherwise, report dangerous error.

2021-05-13  Nelson Chu  <nelson.chu@sifive.com>

	* elfxx-riscv.c (check_implicit_always): The check_func, always add
	the implicit subset without checking.
	(check_implicit_for_i): The check_func for i, only add zicsr and
	zifencei when the version of i less than 2.1.
	(struct riscv_implicit_subset): Record the subsets and their
	corresponding implicit subsets.
	(riscv_implicit_subsets): Table records all implicit informations.
	(riscv_parse_add_implicit_subsets): Updated and add implicit subsets
	according to riscv_implicit_subsets.  Remove the redundant codes.

2021-05-13  Alan Modra  <amodra@gmail.com>

	PR 27858
	* elf32-sh.c (sh_elf_info_to_howto): Correct check for last valid
	reloc howto.

2021-05-12  Luis Machado  <luis.machado@linaro.org>

	* elf-bfd.h (elfcore_write_aarch_mte): New prototype.
	* elf.c (elfcore_grok_aarch_mte, elfcore_write_aarch_mte): New
	functions.
	(elfcore_grok_note): Handle notes of type NT_ARM_TAGGED_ADDR_CTRL.
	(elfcore_write_register_note): Handle MTE notes.

2021-05-11  Alan Modra  <amodra@gmail.com>

	PR 27844
	* pdp11.c (aout_get_external_symbols): Clear first four bytes of
	strings array, not just the first byte.
	* aoutx.h (aout_get_external_symbols): Likewise.

2021-05-10  H.J. Lu  <hongjiu.lu@intel.com>

	PR binutils/27839
	* simple.c (bfd_simple_get_relocated_section_contents): Remove
	strayed fprintf.

2021-05-10  Nick Clifton  <nickc@redhat.com>

	PR 27839
	* simple.c (simple_dummy_add_to_set): New function.
	(simple_dummy_constructor): New function.
	(simple_dummy_multiple_common): New function.
	(bfd_simple_get_relocated_section_contents): Zero out the
	callbacks structure, and then set the add_to_set, constructor and
	multiple_common fields.

2021-05-10  Dimitar Dimitrov  <dimitar@dinux.eu>

	* elf32-pru.c (elf_backend_can_gc_sections): Define as 1.

2021-05-08  Mike Frysinger  <vapier@gentoo.org>

	* doc/Makefile.am (html-local, bfd/index.html): New targets.
	* doc/Makefile.in: Regenerate.

2021-05-08  Mike Frysinger  <vapier@gentoo.org>

	* doc/Makefile.am (AM_MAKEINFOFLAGS): Define.
	* doc/Makefile.in: Regenerate.

2021-05-07  Clément Chigot  <clement.chigot@atos.net>

	* coff-rs6000.c (xcoff_dwsect_names): Add new DWARF
	sections.
	* coffgen.c (coff_pointerize_aux): Handle C_DWARF.
	(coff_print_symbol): Likewise.
	* libxcoff.h (XCOFF_DWSECT_NBR_NAMES): Update.

2021-05-07  Jan Beulich  <jbeulich@suse.com>

	* elf64-x86-64.c (x86_64_elf_howto_table): Set src_mask fields
	to zero.

2021-05-07  Alan Modra  <amodra@gmail.com>

	* bfd-in2.h: Regenerate.
	* libbfd.h: Regenerate.

2021-05-06  Stafford Horne  <shorne@gmail.com>

	PR 27746
	* elf32-or1k.c (PLT_ENTRY_SIZE_LARGE, PLT_MAX_INSN_COUNT,
	OR1K_ADD, OR1K_ORI): New macros to help with plt creation.
	(elf_or1k_link_hash_table): New field plt_count.
	(elf_or1k_link_hash_entry): New field plt_index.
	(elf_or1k_plt_entry_size): New function.
	(or1k_write_plt_entry): Update to support variable size PLTs.
	(or1k_elf_finish_dynamic_sections): Use new or1k_write_plt_entry
	API.
	(or1k_elf_finish_dynamic_symbol): Update to write large PLTs
	when needed.
	(allocate_dynrelocs): Use elf_or1k_plt_entry_size to account for
	PLT size.

2021-05-06  Stafford Horne  <shorne@gmail.com>

	PR 21464
	* elf32-or1k.c (or1k_elf_relocate_section): Relax R_OR1K_GOT16
	overflow check if we have R_OR1K_GOT_AHI16 followed by
	R_OR1K_GOT16.

2021-05-06  Stafford Horne  <shorne@gmail.com>

	PR 21464
	* bfd-in2.h: Add BFD_RELOC_OR1K_GOT_AHI16 relocation.
	* elf32-or1k.c (or1k_elf_howto_table, or1k_reloc_map): Likewise.
	(or1k_final_link_relocate, or1k_elf_relocate_section,
	or1k_elf_check_relocs): Likewise.
	* libbfd.h (bfd_reloc_code_real_names): Likewise.
	* reloc.c: Likewise.

2021-05-06  Stafford Horne  <shorne@gmail.com>

	PR 27624
	* elf32-or1k.c (or1k_elf_adjust_dynamic_symbol): Change
	condition used to cleanup plt entries to cleanup forced local
	entries.

2021-05-05  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/27825
	* elflink.c (elf_link_output_symstrtab): Always append ".COUNT"
	to local symbols.

2021-05-05  Alan Modra  <amodra@gmail.com>

	* vms-lib.c (vms_traverse_index): Account for vms_kbn size when
	sanity checking keylen.

2021-05-04  Nick Clifton  <nickc@redhat.com>

	* libbfd.c (bfd_malloc): Provide some documenation.  Treat a size
	of 0 as 1.
	(bfd_realloc): Likewise.
	(bfd_zmalloc): Likewise.
	(bfd_realloc_or_free): Provide some documentation.  Treat a size
	of 0 as a request to free.
	* libbfd-in.h (bfd_realloc): Remove prototype.
	(bfd_realloc_or_free): Remove prototype.
	(bfd_zmalloc): Remove prototype.
	* libbfd.h: Regenerate.

2021-05-03  Jan Beulich  <jbeulich@suse.com>

	* elf32-i386.c (elf_howto_table): Switch all 32-bit relocs to
	complain_overflow_dont.
	* elf64-x86-64.c (x86_64_elf_howto_table): Switch all 64-bit
	relocs to complain_overflow_dont.

2021-05-03  Alan Modra  <amodra@gmail.com>

	* elf32-ppc.c (allocate_dynrelocs): Keep dyn_relocs for undefweak
	symbols when -z dynamic-undefined-weak or when there are no
	dynamic relocs in read-only sections and -z nodynamic-undefined-weak
	is not given.
	* elf64-ppc.c (allocate_dynrelocs): Likewise.

2021-05-03  Alan Modra  <amodra@gmail.com>

	* elf32-ppc.c (allocate_dynrelocs): Call ensure_undef_dynamic for
	weak undefined symols that only appear on PLT relocs.
	* elf64-ppc.c (allocate_dynrelocs): Likewise.

2021-05-03  Alan Modra  <amodra@gmail.com>

	PR 27755
	* elf32-ppc.c (ppc_elf_inline_plt): Do increment rel in loop.

2021-05-03  Alan Modra  <amodra@gmail.com>

	* elf32-csky.c (is_mapping_symbol_name): New function.
	(csky_elf_is_target_special_symbol): Likewise.
	(csky_elf_maybe_function_sym): Likewise.
	(bfd_elf32_bfd_is_target_special_symbol): Define.
	(elf_backend_maybe_function_sym): Define.

2021-04-30  Nick Clifton  <nickc@redhat.com>

	PR 27801
	* mach-o.c (bfd_mach_o_core_fetch_environment): Use bfd_get_32 to
	read 32-bit value.

2021-04-30  Nick Clifton  <nickc@redhat.com>

	PR 27799
	* elf32-xtensa.c (elf_xtensa_grok_prstatus): Check for core notes
	that are too small.

2021-04-30  Nick Clifton  <nickc@redhat.com>

	PR 27797
	* libbfd.c (bfd_realloc_or_free): Do not free a pointer than has
	been realloc'ed to size 0.

2021-04-30  Nick Clifton  <nickc@redhat.com>

	PR 27795
	* coff-rs6000.c (_bfd_xcoff_read_ar_hdr): Check for invalid name
	lengths.

2021-04-29  Nick Clifton  <nickc@redhat.com>

	PR 27793
	* som.c (som_slurp_symbol_table): Assign symbols without any scope
	to the undefined section.
	(som_decode_symclass): Check for a missing symbol section.
	* syms.c (bfd_decode_symclass): Likewise.

2021-04-29  Nick Clifton  <nickc@redhat.com>

	PR 27792
	* som.c (som_slurp_string_table): Place a terminating NUL byte at
	the end of the table.
	(som_slurp_symbol_table): Check for an over-large offset into the
	string string table.

2021-04-28  Nick Clifton  <nickc@redhat.com>

	* elf.c (_bfd_elf_maybe_function_sym): Do not accept annobin
	symbols as potential function symbols.
	* elfnn-aarch64.c (elfNN_aarch64_maybe_function_sym): Likewise.
	* elf64-ppc.c (ppc64_elf_maybe_function_sym): Likewise.
	* elf32-arm.c (elf32_arm_maybe_function_sym): Likewise.

2021-04-26  Mike Frysinger  <vapier@gentoo.org>

	* elf-bfd.h: Include stdlib.h.

2021-04-26  Jan Beulich  <jbeulich@suse.com>

	* elf32-i386.c (elf_howto_table): Switch R_386_PC16 to
	complain_overflow_signed.
	* elf64-x86-64.c (x86_64_elf_howto_table): Switch R_X86_64_PC16
	to complain_overflow_signed.

2021-04-23  Eric Botcazou  <ebotcazou@adacore.com>

	* elf.c (special_sections_p): Add .persistent.bss.

2021-04-23  Jan Beulich  <jbeulich@suse.com>

	* elf32-i386.c (elf_howto_table): R_386_TLS_DESC_CALL has zero
	size field.
	* elf64-x86-64.c (x86_64_elf_howto_table): R_X86_64_TLSDESC_CALL
	has zero size field.

2021-04-22  Clément Chigot  <clement.chigot@atos.net>

	* hash.c (struct bfd_strtab_hash): Remove xcoff field.
	Add length_field_size field.
	(_bfd_stringtab_init): Change prototype.
	Adapt to new length_field_size.
	(_bfd_xcoff_stringtab_init): Likewise.
	(_bfd_stringtab_add): Likewise.
	(_bfd_stringtab_emit): Likewise.
	* libbfd-in.h (_bfd_xcoff_stringtab_init):
	Change prototype.
	* libbfd.h: Regenerate.
	* xcofflink.c (_bfd_xcoff_bfd_link_hash_table_create):
	Call _bfd_xcoff_stringtab_init with isxcoff64 value.

2021-04-22  Clément Chigot  <clement.chigot@atos.net>

	* coff-rs6000.c (_bfd_xcoff_swap_aux_in): Add errors for
	unsupported storage class or auxialiry entries.
	Improve and adapt to new aux structures.
	Add C_DWARF support.
	(_bfd_xcoff_swap_aux_out): Likewise.
	* coff64-rs6000.c (_bfd_xcoff64_swap_aux_in): Likewise.
	(_bfd_xcoff64_swap_aux_out): Likewise.

2021-04-21  Eli Zaretskii  <eliz@gnu.org>

	PR 27760
	* peXXigen.c (_bfd_XX_print_private_bfd_data_common): Add display
	of IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP,
	IMAGE_FILE_NET_RUN_FROM_SWAP and IMAGE_FILE_UP_SYSTEM_ONLY flags.
	Decode the contents of the DllCharacteristics field.

2021-04-21  Nick Clifton  <nickc@redhat.com>

	PR 27759
	* srec.c (srec_read_section): Replace assertions with error
	returns.

2021-04-20  Clément Chigot  <clement.chigot@atos.net>

	PR binutils/21700
	* reloc.c (BFD_RELOC_PPC_NEG): New relocation.
	* bfd-in2.h: Regenerate.
	* libbfd.h: Regenerate.
	* coff-rs6000.c (_bfd_xcoff_reloc_type_lookup): Add
	BFD_RELOC_PPC_NEG handler.
	(xcoff_reloc_type_neg): Correctly substract addend.
	* coff64-rs6000.c (xcoff64_howto_table): Add R_NEG_32
	howto.
	(xcoff64_rtype2howto): Add handler for R_NEG_32.
	(xcoff64_reloc_type_lookup): Add BFD_RELOC_PPC_NEG handler.
	* xcofflink.c (xcoff_need_ldrel_p): Check output section
	for R_POS-like relocations. New argument added.
	(xcoff_mark): Adapt to new xcoff_need_ldrel_p argument.
	(xcoff_link_input_bfd): Likewise.

2021-04-16  Alan Modra  <amodra@gmail.com>

	PR 27567
	* coffcode.h (styp_to_sec_flags): Use an unsigned long styp_flags.
	(coff_write_object_contents): Pass bfd to COFF_ENCODE_ALIGNMENT,
	ignore alignment checks when return is false.  Formatting.

2021-04-15  Nelson Chu  <nelson.chu@sifive.com>

	PR27584
	* elfnn-riscv.c (riscv_elf_is_target_special_symbol): Added to
	omit local and empty symbols since they usually generated to
	mark the auipc instructions.

2021-04-15  Lifang Xia<lifang_xia@c-sky.com>

	* elf32-csky.c (csky_elf_howto_table)
	<R_CKCORE_PCREL_IMM16BY2>: Set special_function to
	bfd_elf_generic_reloc.
	<R_CKCORE_PCREL_IMM16BY4>: Likewise.
	<R_CKCORE_PCREL_IMM10BY4>: Likewise.
	<R_CKCORE_PCREL_IMM18BY2>: Likewise.
	<R_CKCORE_PCREL_FLRW_IMM8BY4>: Likewise.

2021-04-14  H.J. Lu  <hongjiu.lu@intel.com>

	PR binutils/27708
	* elf.c (assign_file_positions_for_non_load_sections): Set
	p_memsz to p_filesz for the loadable PT_NOTE segment.

2021-04-14  Frederic Cambus  <fred@statdns.com>

	* elf.c (elfcore_grok_netbsd_note): Remove unneeded #ifdef
	checks for NT_NETBSDCORE_AUXV and NT_NETBSDCORE_LWPSTATUS.

2021-04-14  Alan Modra  <amodra@gmail.com>

	PR 27631
	* elf32-metag.c (elf_metag_relocate_section): Don't use &hh->elf
	when hh might be NULL, test for NULL first.

2021-04-14  Alan Modra  <amodra@gmail.com>

	PR 27630
	* elf32-arm.c (elf32_arm_size_stubs): Don't use &hash->root when
	hash might be NULL, cast instead.

2021-04-13  Clément Chigot  <clement.chigot@atos.net>

	* xcofflink.c (xcoff_link_check_ar_symbols): Update esym earlier.

2021-04-13  Nelson Chu  <nelson.chu@sifive.com>

	* elfnn-riscv.c (riscv_version_mismatch): Do not report the warning
	when the version of input or output is RISCV_UNKNOWN_VERSION, since
	the extension is added implicitly.
	* elfxx-riscv.c: Updated the obsolete comments.
	(RISCV_UNKNOWN_VERSION): Moved to elfxx-riscv.h.
	* elfxx-riscv.h (RISCV_UNKNOWN_VERSION): Added.

2021-04-12  Alan Modra  <amodra@gmail.com>

	* elf-bfd.h (ENABLE_CHECKING): Define.
	(elf_link_hash_lookup): Abort if wrong type of hash table.
	* configure.ac (--enable-checking): Add support.
	* config.in: Regenerate.
	* configure: Regenerate.

2021-04-12  Alan Modra  <amodra@gmail.com>

	* elf-bfd.h (is_elf_hash_table): Convert macro to inline function.
	(elf_link_hash_lookup, elf_link_hash_traverse): Likewise.
	(elf_hash_table, elf_hash_table_id): Likewise.
	* elf32-arm.c (elf32_arm_setup_section_lists): Delete redundant
	is_elf_hash_table check.
	* elf32-csky.c (elf32_csky_setup_section_lists): Likewise.
	* elf32-hppa.c (clobber_millicode_symbols): Correct param types.
	* elf64-alpha.c (elf64_alpha_output_extsym): Likewise.
	* elfnn-ia64.c (elfNN_ia64_global_dyn_info_free: Likewise.
	(elfNN_ia64_global_dyn_sym_thunk: Likewise.
	* elf64-ia64-vms.c (elf64_ia64_global_dyn_info_free): Likewise.
	(elf64_ia64_global_dyn_sym_thunk): Likewise.
	(elf64_vms_link_add_object_symbols): Pass base type of hash table
	to is_elf_hash_table.
	* elflink.c (_bfd_elf_dynamic_symbol_p): Likewise.
	(_bfd_elf_symbol_refs_local_p, _bfd_elf_add_dynamic_entry): Likewise.
	(_bfd_elf_strip_zero_sized_dynamic_sections): Likewise.
	(_bfd_elf_link_check_relocs, elf_link_add_object_symbols): Likewise.
	(bfd_elf_final_link): Likewise.
	* elfnn-aarch64.c (elfNN_aarch64_setup_section_lists): Likewise.
	* elf64-ppc.c (ppc64_elf_set_toc): Likewise.  Use bfd_link_hash_lookup.

2021-04-12  Alan Modra  <amodra@gmail.com>

	* elf-bfd.h (struct elf_backend_data): Return bfd_link_hash_entry*
	from elf_backend_archive_symbol_lookup.
	(_bfd_elf_archive_symbol_lookup): Return bfd_link_hash_entry*.
	* elf64-ppc.c (ppc64_elf_archive_symbol_lookup): Likewise.  Check
	we have a ppc_hash_table before accessing ppc_link_hash_entry
	fields.
	* elflink.c (_bfd_elf_archive_symbol_lookup): Return
	bfd_link_hash_entry*.
	(elf_link_add_archive_symbols): Adjust to suit.

2021-04-12  Nelson Chu  <nelson.chu@sifive.com>

	* elfxx-riscv.c (riscv_parse_std_ext): Fixed the wrong versions of
	i-ext when expanding g-ext.

2021-04-12  Nelson Chu  <nelson.chu@sifive.com>

	* elfxx-riscv.c (riscv_ext_dont_care_version): Removed.
	(riscv_parse_add_subset): Always add the implicit extensions, even if
	their versions are RISCV_UNKNOWN_VERSION.
	(riscv_parse_std_ext): Delay to add i-ext as the implicit extension
	in the riscv_parse_add_implicit_subsets.  Besides, add g-ext as the
	implicit extension after it has been expanded.
	(riscv_parse_add_implicit_subsets): Updated.

2021-04-12  Nelson Chu  <nelson.chu@sifive.com>

	* elfxx-riscv.c (riscv_std_z_ext_strtab): Moved forward.
	(riscv_std_s_ext_strtab): Likewise.
	(riscv_std_h_ext_strtab): Likewise.
	(riscv_std_zxm_ext_strtab): Added for the zxm prefix.
	(enum riscv_prefix_ext_class): Moved forward and renamed from
	riscv_isa_ext_class.  Reorder them according to the parsing order,
	since the enum values are used to check the orders in the
	riscv_compare_subsets.
	(struct riscv_parse_prefix_config): Moved forward and renamed from
	riscv_parse_config_t.  Also removed the ext_valid_p field, the
	related functions are replaced by riscv_valid_prefixed_ext.
	(parse_config): Moved forward and updated.  The more letters of the
	prefix string, the more forward it must be defined.  Otherwise, we
	will get the wrong mapping when using strncmp in riscv_get_prefix_class.
	(riscv_get_prefix_class): Moved forward.  Support to parse the
	multi-letter prefix, like zxm.
	(riscv_known_prefixed_ext): New function, check if the prefixed
	extension is supported according to the right riscv_std_*_ext_strtab.
	(riscv_valid_prefixed_ext): New function, used to replace the
	riscv_ext_*_valid_p functions.
	(riscv_init_ext_order): Do not set the values for prefix keywords
	since they may have multiple letters for now.
	(riscv_compare_subsets): Set the order values of prefix keywords
	to negative numbers according to the riscv_prefix_ext_class.
	(riscv_parse_std_ext): Call riscv_get_prefix_class to see if we
	have parsed the prefixed extensions.
	(riscv_parse_prefixed_ext): Updated and removed the parameter config.
	Report error when the prefix is unknown.
	(riscv_parse_subset): Do not parse the prefixed extensions according
	to the orders in the parse_config.  Remove the confused message and
	let riscv_parse_prefixed_ext to report the details.
	* elfxx-riscv.h (enum riscv_isa_ext_class): Moved to elfxx-riscv.c.
	(riscv_get_prefix_class): Removed to static.

2021-04-08  Mike Frysinger  <vapier@gentoo.org>

	* configure.ac (ACX_BUGURL): Use https://.
	* configure.com (COPY_TEXT): Likewise.
	* configure: Regenerate.

2021-04-05  Alan Modra  <amodra@gmail.com>

	* configure.ac: Don't check for long long or long double type.
	Don't check for alloca.h, limits.h, stddef.h, stdlib.h, string.h,
	strings.h, time.h, wchar.h, wctype.h or sys/time.h.  Don't check
	for strtoull, free, malloc, realloc, getenv, strstr, snprintf,
	vsnprintf, strlen or setitimer.  Sort AC_CHECK_DECLS.
	(AC_ISC_POSIX): Don't invoke.
	(AC_HEADER_TIME, AC_HEADER_DIRENT, ACX_HEADER_STRING): Likewise.
	* sysdep.h: Remove many HAVE_*_H checks and fallback declarations.
	Do test HAVE_SYS_TYPES_H.  Don't include sys/time.h.  Reorder
	header order as per automake AC_INCLUDES_DEFAULT.
	* bfd-in.h: Include inttypes.h unconditionally.
	* bfd.c (_bfd_doprnt, _bfd_doprnt_scan): Assume long long and
	long double are available.
	(bfd_scan_vma): Assume long long and strtoull are available.
	* elflink.c: Include limits.h unconditionally.
	* elfnn-riscv.c: Likewise.
	* wasm-module.c: Likewise.
	* hpux-core.c: Include dirent.h unconditionally.
	* trad-core.c: Likewise.
	* hosts/x86-64linux.h: Include stdlib.h unconditionally.
	* peXXigen.c: Remove HAVE_WCHAR_H and HAVE_WCTYPE_H checks.
	* elf32-m68hc1x.c: Don't include alloca-conf.h.
	* elf64-hppa.c: Likewise.
	* som.c: Likewise.
	* wasm-module.c: Likewise.
	* xsym.c: Likewise.
	* bfd-in2.h: Regenerate.
	* config.in: Regenerate.
	* configure: Regenerate.

2021-04-01  Tamar Christina  <tamar.christina@arm.com>

	PR ld/26659
	* cofflink.c (_bfd_coff_generic_relocate_section): Ignore overflow.

2021-04-01  Martin Liska  <mliska@suse.cz>

	* ecoff.c (strneq): Remove strneq and use startswith.
	(_bfd_ecoff_slurp_armap): Likewise.

2021-04-01  Martin Liska  <mliska@suse.cz>

	* elf-bfd.h (bfd_section_is_ctf): Use startswith function.
	* elf.c (_bfd_elf_make_section_from_shdr): Likewise.
	(elf_get_reloc_section): Likewise.
	* elf32-arc.c (elf_arc_size_dynamic_sections): Likewise.
	* elf32-m32r.c (m32r_elf_section_flags): Likewise.
	* elf32-microblaze.c (microblaze_elf_size_dynamic_sections): Likewise.
	* elf32-nds32.c (nds32_elf_size_dynamic_sections): Likewise.
	(nds32_elf_relocate_section): Likewise.
	(nds32_elf_action_discarded): Likewise.
	(nds32_elf_check_relocs): Likewise.
	(nds32_elf_section_flags): Likewise.
	* elf32-or1k.c (or1k_elf_check_relocs): Likewise.
	* elf32-ppc.c (ppc_elf_section_from_shdr): Likewise.
	* elf32-rx.c (rx_table_find): Likewise.
	(rx_table_map): Likewise.
	* elf32-spu.c (spu_elf_backend_symbol_processing): Likewise.
	(spu_elf_find_overlays): Likewise.
	(needs_ovl_stub): Likewise.
	(allocate_spuear_stubs): Likewise.
	(build_spuear_stubs): Likewise.
	(mark_overlay_section): Likewise.
	(spu_elf_auto_overlay): Likewise.
	(spu_elf_output_symbol_hook): Likewise.
	* elf32-tilepro.c (tilepro_elf_size_dynamic_sections): Likewise.
	* elf32-xtensa.c (xtensa_property_section_name): Likewise.
	* elf64-ppc.c (ppc64_elf_section_flags): Likewise.
	(ppc64_elf_relocate_section): Likewise.
	* elflink.c (resolve_section): Likewise.
	(UNARY_OP): Likewise.
	(BINARY_OP_HEAD): Likewise.
	(elf_link_input_bfd): Likewise.
	* elfnn-riscv.c (riscv_elf_size_dynamic_sections): Likewise.
	* elfxx-riscv.c (riscv_parse_subset): Likewise.
	* elfxx-tilegx.c (tilegx_elf_size_dynamic_sections): Likewise.
	* opncls.c (get_build_id): Likewise.

2021-03-31  Alan Modra  <amodra@gmail.com>

	PR 27671
	* bfd-in.h: Don't poison FALSE or TRUE.
	* bfd-in2.h: Regenerate.

2021-03-31  Alan Modra  <amodra@gmail.com>

	* sysdep.h: POISON_BFD_BOOLEAN: Define.
	* aix5ppc-core.c, * aout-cris.c, * aout-ns32k.c, * aout-target.h,
	* aoutx.h, * arc-got.h, * archive.c, * archive64.c, * archures.c,
	* bfd-in.h, * bfd.c, * bfdwin.c, * binary.c, * cache.c,
	* coff-alpha.c, * coff-arm.c, * coff-arm.h, * coff-bfd.c,
	* coff-bfd.h, * coff-go32.c, * coff-i386.c, * coff-ia64.c,
	* coff-mcore.c, * coff-mips.c, * coff-rs6000.c, * coff-sh.c,
	* coff-stgo32.c, * coff-tic30.c, * coff-tic4x.c, * coff-tic54x.c,
	* coff-x86_64.c, * coff-z80.c, * coff-z8k.c, * coff64-rs6000.c,
	* coffcode.h, * coffgen.c, * cofflink.c, * compress.c,
	* corefile.c, * cpu-aarch64.c, * cpu-aarch64.h, * cpu-alpha.c,
	* cpu-arc.c, * cpu-arm.c, * cpu-arm.h, * cpu-avr.c, * cpu-bfin.c,
	* cpu-bpf.c, * cpu-cr16.c, * cpu-cris.c, * cpu-crx.c,
	* cpu-csky.c, * cpu-d10v.c, * cpu-d30v.c, * cpu-dlx.c,
	* cpu-epiphany.c, * cpu-fr30.c, * cpu-frv.c, * cpu-ft32.c,
	* cpu-h8300.c, * cpu-hppa.c, * cpu-i386.c, * cpu-ia64.c,
	* cpu-iamcu.c, * cpu-ip2k.c, * cpu-iq2000.c, * cpu-k1om.c,
	* cpu-l1om.c, * cpu-lm32.c, * cpu-m10200.c, * cpu-m10300.c,
	* cpu-m32c.c, * cpu-m32r.c, * cpu-m68hc11.c, * cpu-m68hc12.c,
	* cpu-m68k.c, * cpu-m9s12x.c, * cpu-m9s12xg.c, * cpu-mcore.c,
	* cpu-mep.c, * cpu-metag.c, * cpu-microblaze.c, * cpu-mips.c,
	* cpu-mmix.c, * cpu-moxie.c, * cpu-msp430.c, * cpu-mt.c,
	* cpu-nds32.c, * cpu-nfp.c, * cpu-nios2.c, * cpu-ns32k.c,
	* cpu-or1k.c, * cpu-pdp11.c, * cpu-pj.c, * cpu-powerpc.c,
	* cpu-pru.c, * cpu-riscv.c, * cpu-rl78.c, * cpu-rs6000.c,
	* cpu-rx.c, * cpu-s12z.c, * cpu-s390.c, * cpu-score.c,
	* cpu-sh.c, * cpu-sparc.c, * cpu-spu.c, * cpu-tic30.c,
	* cpu-tic4x.c, * cpu-tic54x.c, * cpu-tic6x.c, * cpu-tilegx.c,
	* cpu-tilepro.c, * cpu-v850.c, * cpu-v850_rh850.c, * cpu-vax.c,
	* cpu-visium.c, * cpu-wasm32.c, * cpu-xc16x.c, * cpu-xgate.c,
	* cpu-xstormy16.c, * cpu-xtensa.c, * cpu-z80.c, * cpu-z8k.c,
	* dwarf1.c, * dwarf2.c, * ecoff-bfd.h, * ecoff.c, * ecofflink.c,
	* elf-attrs.c, * elf-bfd.h, * elf-eh-frame.c, * elf-hppa.h,
	* elf-ifunc.c, * elf-m10200.c, * elf-m10300.c, * elf-nacl.c,
	* elf-nacl.h, * elf-properties.c, * elf-s390-common.c,
	* elf-s390.h, * elf-strtab.c, * elf-vxworks.c, * elf-vxworks.h,
	* elf.c, * elf32-am33lin.c, * elf32-arc.c, * elf32-arm.c,
	* elf32-arm.h, * elf32-avr.c, * elf32-avr.h, * elf32-bfin.c,
	* elf32-bfin.h, * elf32-cr16.c, * elf32-cr16.h, * elf32-cris.c,
	* elf32-crx.c, * elf32-csky.c, * elf32-csky.h, * elf32-d10v.c,
	* elf32-d30v.c, * elf32-dlx.c, * elf32-epiphany.c,
	* elf32-fr30.c, * elf32-frv.c, * elf32-ft32.c, * elf32-gen.c,
	* elf32-h8300.c, * elf32-hppa.c, * elf32-hppa.h, * elf32-i386.c,
	* elf32-ip2k.c, * elf32-iq2000.c, * elf32-lm32.c, * elf32-m32c.c,
	* elf32-m32r.c, * elf32-m68hc11.c, * elf32-m68hc12.c,
	* elf32-m68hc1x.c, * elf32-m68hc1x.h, * elf32-m68k.c,
	* elf32-m68k.h, * elf32-mcore.c, * elf32-mep.c, * elf32-metag.c,
	* elf32-metag.h, * elf32-microblaze.c, * elf32-mips.c,
	* elf32-moxie.c, * elf32-msp430.c, * elf32-mt.c, * elf32-nds32.c,
	* elf32-nios2.c, * elf32-nios2.h, * elf32-or1k.c, * elf32-pj.c,
	* elf32-ppc.c, * elf32-ppc.h, * elf32-pru.c, * elf32-rl78.c,
	* elf32-rx.c, * elf32-s12z.c, * elf32-s390.c, * elf32-score.c,
	* elf32-score.h, * elf32-score7.c, * elf32-sh-relocs.h,
	* elf32-sh.c, * elf32-sparc.c, * elf32-spu.c, * elf32-spu.h,
	* elf32-tic6x.c, * elf32-tic6x.h, * elf32-tilegx.c,
	* elf32-tilepro.c, * elf32-v850.c, * elf32-v850.h,
	* elf32-vax.c, * elf32-visium.c, * elf32-wasm32.c,
	* elf32-xc16x.c, * elf32-xgate.c, * elf32-xstormy16.c,
	* elf32-xtensa.c, * elf32-z80.c, * elf64-alpha.c, * elf64-bpf.c,
	* elf64-gen.c, * elf64-hppa.c, * elf64-ia64-vms.c,
	* elf64-mips.c, * elf64-mmix.c, * elf64-nfp.c, * elf64-ppc.c,
	* elf64-ppc.h, * elf64-s390.c, * elf64-sparc.c,
	* elf64-tilegx.c, * elf64-x86-64.c, * elfcode.h,
	* elfcore.h, * elflink.c, * elfn32-mips.c, * elfnn-aarch64.c,
	* elfnn-ia64.c, * elfnn-riscv.c, * elfxx-aarch64.c,
	* elfxx-aarch64.h, * elfxx-ia64.c, * elfxx-ia64.h,
	* elfxx-mips.c, * elfxx-mips.h, * elfxx-riscv.c, * elfxx-riscv.h,
	* elfxx-sparc.c, * elfxx-sparc.h, * elfxx-target.h,
	* elfxx-tilegx.c, * elfxx-tilegx.h, * elfxx-x86.c, * elfxx-x86.h,
	* format.c, * genlink.h, * hash.c, * i386aout.c, * i386lynx.c,
	* i386msdos.c, * ihex.c, * libaout.h, * libbfd-in.h,
	* libbfd.c, * libcoff-in.h, * libecoff.h, * libpei.h,
	* libxcoff.h, * linker.c, * mach-o-aarch64.c, * mach-o-arm.c,
	* mach-o-i386.c, * mach-o-x86-64.c, * mach-o.c, * mach-o.h,
	* merge.c, * mmo.c, * netbsd.h, * opncls.c, * pc532-mach.c,
	* pdp11.c, * pe-arm.c, * pe-i386.c, * pe-mcore.c, * pe-sh.c,
	* pe-x86_64.c, * peXXigen.c, * pef.c, * pei-arm.c, * pei-i386.c,
	* pei-ia64.c, * pei-mcore.c, * pei-sh.c, * pei-x86_64.c,
	* peicode.h, * plugin.c, * plugin.h, * ppcboot.c, * reloc.c,
	* reloc16.c, * rs6000-core.c, * section.c, * simple.c, * som.c,
	* som.h, * srec.c, * stabs.c, * syms.c, * targets.c, * tekhex.c,
	* verilog.c, * vms-alpha.c, * vms-lib.c, * vms-misc.c, * vms.h,
	* wasm-module.c, * xcofflink.c, * xcofflink.h, * xsym.c,
	* xsym.h: Replace bfd_boolean with bool, FALSE with false, and
	TRUE with true throughout.
	* bfd-in2.h: Regenerate.
	* libbfd.h: Regenerate.
	* libcoff.h: Regenerate.

2021-03-31  Alan Modra  <amodra@gmail.com>

	* bfd-in.h: Include stdbool.h.
	(bfd_boolean): Define as bool
	* bfd-in2.h: Regenerate.

2021-03-31  Alan Modra  <amodra@gmail.com>

	* .gitignore: Delete bfd_stdint.h entry.
	* Makefile.am (bfdinclude_HEADERS): Delete bfd_stdint.h.
	(BUILD_HFILES, LOCAL_H_DEPS): Likewise.
	* bfd-in.h: Include stdint.h in place of bfd_stdint.h.
	* configure.ac: Don't invoke GCC_HEADER_STDINT.
	* configure.com: Don't create bfd_stdint.h.
	* Makefile.in: Regenerate.
	* aclocal.m4: Regenerate.
	* bfd-in2.h: Regenerate.
	* config.in: Regenerate.
	* configure: Regenerate.
	* doc/Makefile.in: Regenerate.
	* po/BLD-POTFILES.in: Regenerate.

2021-03-31  Alan Modra  <amodra@gmail.com>

	* bfd-in.h: Include string.h.
	(LITMEMCPY, LITSTRCPY): Delete.
	* bfd-in2.h: Regenerate.

2021-03-30  Alan Modra  <amodra@gmail.com>

	* elflink.c (elf_link_add_object_symbols): Don't set h->indx
	unless is_elf_hash_table.

2021-03-29  Alan Modra  <amodra@gmail.com>

	* aoutx.h (aout_link_write_symbols): Don't cast boolean expression
	to bfd_boolean.
	* elf32-or1k.c (or1k_set_got_and_rela_sizes): Dont compare booleans
	against FALSE.
	* elf32-arc.c (name_for_global_symbol): Don't compare boolean to TRUE.
	(is_reloc_PC_relative): Don't use "boolean_condition ? TRUE : FALSE".
	(is_reloc_SDA_relative, is_reloc_for_GOT): Likewise.
	(is_reloc_for_PLT, is_reloc_for_TLS): Likewise.
	* elf32-arm.c (stm32l4xx_need_create_replacing_stub): Likewise.
	* elf32-nds32.c (insert_nds32_elf_blank): Likewise.
	* elf32-rx.c (rx_set_section_contents): Likewise.
	* elfnn-aarch64.c (elfNN_aarch64_final_link_relocate): Likewise.
	* elfxx-mips.c (_bfd_mips_elf_ignore_undef_symbol): Likewise.
	* mach-o.c (bfd_mach_o_read_command): Likewise.
	* targets.c (bfd_get_target_info): Likewise.

2021-03-29  Alan Modra  <amodra@gmail.com>

	* coff-z80.c (z80_is_local_label_name): Return bfd_boolean.
	* elf32-z80.c (z80_is_local_label_name): Likewise.
	* elf32-spu.c (spu_elf_modify_headers): Likewise.
	* elf32-nds32.h (struct elf_nds32_link_hash_table <hyper_relax>):
	Change type to int.
	* vms-lib.c (_bfd_vms_lib_write_archive_contents): Correct test
	for error return from vms_write_data_block.

2021-03-29  Alan Modra  <amodra@gmail.com>

	* elf32-i386.c (elf_i386_finish_local_dynamic_symbol): Return int.
	* elf64-ia64-vms.c (elf64_ia64_local_dyn_info_free): Likewise.
	(elf64_ia64_local_dyn_sym_thunk): Likewise.
	* elf64-x86-64.c (elf_x86_64_finish_local_dynamic_symbol): Likewise.
	* elfnn-aarch64.c (elfNN_aarch64_allocate_local_ifunc_dynrelocs),
	(elfNN_aarch64_finish_local_dynamic_symbol): Likewise.
	* elfnn-ia64.c (elfNN_ia64_local_dyn_info_free): Likewise.
	(elfNN_ia64_local_dyn_sym_thunk): Likewise.
	* elfnn-riscv.c (allocate_local_ifunc_dynrelocs): Likewise.
	(riscv_pcrel_reloc_eq): Likewise.
	(riscv_elf_finish_local_dynamic_symbol): Likewise.
	* elfxx-sparc.c (allocate_local_dynrelocs): Likewise.
	(finish_local_dynamic_symbol): Likewise.
	* elfxx-x86.c (elf_x86_allocate_local_dynreloc): Likewise.
	* elfxx-mips.c (mips_elf_resolve_got_page_ref): Likewise.
	(mips_elf_count_got_symbols): Change return type to bfd_boolean.

2021-03-29  Alan Modra  <amodra@gmail.com>

	* elflink.c (elf_link_output_symstrtab): Make flinfo parameter
	a void pointer.
	(bfd_elf_final_link): Delete out_sym_func typedef and don't cast
	elf_link_output_symstrtab when calling output_arch_syms and
	output_arch_local_syms.
	* elf-bfd.h (struct elf_backend_data <elf_backend_output_arch_syms,
	elf_backend_output_arch_local_syms>): Change return type of func
	arg to match elf_link_output_symstrtab.
	* elf-vxworks.h (elf_vxworks_link_output_symbol_hook): Correct
	return type.
	* elf32-nds32.c (nds32_elf_output_symbol_hook): Correct return type.
	(nds32_elf_output_arch_syms): Correct func return type.

2021-03-29  Alan Modra  <amodra@gmail.com>

	* elf-m10200.c (mn10200_elf_relocate_section): Return int.
	* elf-m10300.c (mn10300_elf_relocate_section): Likewise.
	* elf32-arc.c (elf_arc_relocate_section): Likewise.
	* elf32-arm.c (elf32_arm_relocate_section): Likewise.
	* elf32-avr.c (elf32_avr_relocate_section): Likewise.
	* elf32-bfin.c (bfin_relocate_section): Likewise.
	(bfinfdpic_relocate_section): Likewise.
	* elf32-cr16.c (elf32_cr16_relocate_section): Likewise.
	* elf32-cris.c (cris_elf_relocate_section): Likewise.
	* elf32-crx.c (elf32_crx_relocate_section): Likewise.
	* elf32-csky.c (csky_elf_relocate_section): Likewise.
	* elf32-d10v.c (elf32_d10v_relocate_section): Likewise.
	* elf32-epiphany.c (epiphany_elf_relocate_section): Likewise.
	* elf32-fr30.c (fr30_elf_relocate_section): Likewise.
	* elf32-frv.c (elf32_frv_relocate_section): Likewise.
	* elf32-ft32.c (ft32_elf_relocate_section): Likewise.
	* elf32-h8300.c (elf32_h8_relocate_section): Likewise.
	* elf32-hppa.c (elf32_hppa_relocate_section): Likewise.
	* elf32-i386.c (elf_i386_relocate_section): Likewise.
	* elf32-ip2k.c (ip2k_elf_relocate_section): Likewise.
	* elf32-iq2000.c (iq2000_elf_relocate_section): Likewise.
	* elf32-lm32.c (lm32_elf_relocate_section): Likewise.
	* elf32-m32c.c (m32c_elf_relocate_section): Likewise.
	* elf32-m32r.c (m32r_elf_relocate_section): Likewise.
	* elf32-m68hc1x.c (elf32_m68hc11_relocate_section): Likewise.
	* elf32-m68hc1x.h (elf32_m68hc11_relocate_section): Likewise.
	* elf32-m68k.c (elf_m68k_relocate_section): Likewise.
	* elf32-mcore.c (mcore_elf_relocate_section): Likewise.
	* elf32-mep.c (mep_elf_relocate_section): Likewise.
	* elf32-metag.c (elf_metag_relocate_section): Likewise.
	* elf32-microblaze.c (microblaze_elf_relocate_section): Likewise.
	* elf32-moxie.c (moxie_elf_relocate_section): Likewise.
	* elf32-msp430.c (elf32_msp430_relocate_section): Likewise.
	* elf32-mt.c (mt_elf_relocate_section): Likewise.
	* elf32-nds32.c (nds32_elf_relocate_section): Likewise.
	* elf32-nios2.c (nios2_elf32_relocate_section): Likewise.
	* elf32-or1k.c (or1k_elf_relocate_section): Likewise.
	* elf32-ppc.c (ppc_elf_relocate_section): Likewise.
	* elf32-pru.c (pru_elf32_relocate_section): Likewise.
	* elf32-rl78.c (rl78_elf_relocate_section): Likewise.
	* elf32-rx.c (rx_elf_relocate_section): Likewise.
	* elf32-s390.c (elf_s390_relocate_section): Likewise.
	* elf32-score.c (s3_bfd_score_elf_relocate_section): Likewise.
	(_bfd_score_elf_relocate_section): Likewise.
	* elf32-score.h (s7_bfd_score_elf_relocate_section): Likewise.
	* elf32-score7.c (s7_bfd_score_elf_relocate_section): Likewise.
	* elf32-sh.c (sh_elf_relocate_section): Likewise.
	* elf32-tic6x.c (elf32_tic6x_relocate_section): Likewise.
	* elf32-tilepro.c (tilepro_elf_relocate_section): Likewise.
	* elf32-v850.c (v850_elf_relocate_section): Likewise.
	* elf32-vax.c (elf_vax_relocate_section): Likewise.
	* elf32-visium.c (visium_elf_relocate_section): Likewise.
	* elf32-xc16x.c (elf32_xc16x_relocate_section): Likewise.
	* elf32-xstormy16.c (xstormy16_elf_relocate_section): Likewise.
	* elf32-xtensa.c (elf_xtensa_relocate_section): Likewise.
	* elf32-z80.c (z80_elf_relocate_section): Likewise.
	* elf64-alpha.c (elf64_alpha_relocate_section_r): Likewise.
	(elf64_alpha_relocate_section): Likewise.
	* elf64-bpf.c (bpf_elf_relocate_section): Likewise.
	* elf64-hppa.c (elf64_hppa_relocate_section): Likewise.
	* elf64-ia64-vms.c (elf64_ia64_relocate_section): Likewise.
	* elf64-mmix.c (mmix_elf_relocate_section): Likewise.
	* elf64-ppc.c (ppc64_elf_relocate_section): Likewise.
	* elf64-s390.c (elf_s390_relocate_section): Likewise.
	* elf64-x86-64.c (elf_x86_64_relocate_section): Likewise.
	* elfnn-aarch64.c (elfNN_aarch64_relocate_section): Likewise.
	* elfnn-ia64.c (elfNN_ia64_relocate_section): Likewise.
	* elfnn-riscv.c (riscv_elf_relocate_section): Likewise.
	* elfxx-mips.c (_bfd_mips_elf_relocate_section): Likewise.
	* elfxx-mips.h (_bfd_mips_elf_relocate_section): Likewise.
	* elfxx-sparc.c (_bfd_sparc_elf_relocate_section): Likewise.
	* elfxx-sparc.h (_bfd_sparc_elf_relocate_section): Likewise.
	* elfxx-tilegx.c (tilegx_elf_relocate_section): Likewise.
	* elfxx-tilegx.h (tilegx_elf_relocate_section): Likewise.

2021-03-26  Keith Seitz  <keiths@redhat.com>

	* elfcore.h (_bfd_elf_core_find_build_id): Seek file
	offset of program headers after calling elf_read_notes.

2021-03-23  Jan Beulich  <jbeulich@suse.com>

	* dwarf2.c (read_indexed_string): Rename index to idx.

2021-03-22  Martin Liska  <mliska@suse.cz>

	* bfd-in.h (startswith): Add startswith function.
	(CONST_STRNEQ): Remove.
	* bfd-in2.h (startswith): Regenerate with make headers.
	* archive.c (bfd_slurp_armap): Replace usage of CONST_STRNEQ with startswith.
	(_bfd_slurp_extended_name_table): Likewise.
	* archive64.c (_bfd_archive_64_bit_slurp_armap): Likewise.
	* bfd.c (bfd_get_sign_extend_vma): Likewise.
	(bfd_convert_section_size): Likewise.
	(bfd_convert_section_contents): Likewise.
	* coff-stgo32.c (go32exe_create_stub): Likewise.
	(go32exe_check_format): Likewise.
	* coffcode.h (styp_to_sec_flags): Likewise.
	(GNU_DEBUGALTLINK): Likewise.
	* coffgen.c (_bfd_coff_section_already_linked): Likewise.
	(coff_gc_sweep): Likewise.
	(bfd_coff_gc_sections): Likewise.
	* cofflink.c (coff_link_add_symbols): Likewise.
	(process_embedded_commands): Likewise.
	* compress.c (bfd_is_section_compressed_with_header): Likewise.
	(bfd_init_section_decompress_status): Likewise.
	* dwarf2.c (find_debug_info): Likewise.
	(place_sections): Likewise.
	* ecoff.c (_bfd_ecoff_slurp_armap): Likewise.
	* elf-m10300.c (_bfd_mn10300_elf_size_dynamic_sections): Likewise.
	* elf.c (_bfd_elf_make_section_from_shdr): Likewise.
	(assign_section_numbers): Likewise.
	(elfcore_grok_win32pstatus): Likewise.
	* elf32-arm.c (cmse_scan): Likewise.
	(elf32_arm_gc_mark_extra_sections): Likewise.
	(elf32_arm_size_dynamic_sections): Likewise.
	(is_arm_elf_unwind_section_name): Likewise.
	* elf32-bfin.c (bfin_size_dynamic_sections): Likewise.
	* elf32-cr16.c (_bfd_cr16_elf_size_dynamic_sections): Likewise.
	* elf32-cris.c (elf_cris_size_dynamic_sections): Likewise.
	* elf32-csky.c (csky_elf_size_dynamic_sections): Likewise.
	* elf32-hppa.c (elf32_hppa_size_dynamic_sections): Likewise.
	* elf32-iq2000.c (iq2000_elf_check_relocs): Likewise.
	* elf32-lm32.c (lm32_elf_size_dynamic_sections): Likewise.
	* elf32-m32r.c (m32r_elf_size_dynamic_sections): Likewise.
	* elf32-m68k.c (elf_m68k_size_dynamic_sections): Likewise.
	* elf32-metag.c (elf_metag_size_dynamic_sections): Likewise.
	* elf32-msp430.c (msp430_elf_relax_delete_bytes): Likewise.
	* elf32-nios2.c (nios2_elf32_size_dynamic_sections): Likewise.
	* elf32-or1k.c (or1k_elf_size_dynamic_sections): Likewise.
	* elf32-ppc.c (ppc_elf_size_dynamic_sections): Likewise.
	* elf32-s390.c (elf_s390_size_dynamic_sections): Likewise.
	* elf32-score.c (s3_bfd_score_elf_size_dynamic_sections): Likewise.
	* elf32-score7.c (s7_bfd_score_elf_size_dynamic_sections): Likewise.
	* elf32-sh.c (sh_elf_size_dynamic_sections): Likewise.
	* elf32-tic6x.c (is_tic6x_elf_unwind_section_name): Likewise.
	(elf32_tic6x_size_dynamic_sections): Likewise.
	* elf32-vax.c (elf_vax_size_dynamic_sections): Likewise.
	* elf32-xtensa.c (elf_xtensa_size_dynamic_sections): Likewise.
	(xtensa_is_insntable_section): Likewise.
	(xtensa_is_littable_section): Likewise.
	(xtensa_is_proptable_section): Likewise.
	(xtensa_property_section_name): Likewise.
	(xtensa_callback_required_dependence): Likewise.
	* elf64-alpha.c (elf64_alpha_size_dynamic_sections): Likewise.
	* elf64-hppa.c (elf64_hppa_size_dynamic_sections): Likewise.
	* elf64-ia64-vms.c (is_unwind_section_name): Likewise.
	(get_reloc_section): Likewise.
	(elf64_ia64_size_dynamic_sections): Likewise.
	(elf64_ia64_object_p): Likewise.
	* elf64-mmix.c (mmix_elf_add_symbol_hook): Likewise.
	* elf64-ppc.c (ppc64_elf_size_dynamic_sections): Likewise.
	* elf64-s390.c (elf_s390_size_dynamic_sections): Likewise.
	* elflink.c (elf_link_add_object_symbols): Likewise.
	(_bfd_elf_gc_mark_extra_sections): Likewise.
	(bfd_elf_parse_eh_frame_entries): Likewise.
	(_bfd_elf_section_already_linked): Likewise.
	* elfnn-aarch64.c (elfNN_aarch64_size_dynamic_sections): Likewise.
	* elfnn-ia64.c (is_unwind_section_name): Likewise.
	(elfNN_ia64_size_dynamic_sections): Likewise.
	(elfNN_ia64_object_p): Likewise.
	* elfxx-mips.c (FN_STUB_P): Likewise.
	(CALL_STUB_P): Likewise.
	(CALL_FP_STUB_P): Likewise.
	(_bfd_mips_elf_section_from_shdr): Likewise.
	(_bfd_mips_elf_fake_sections): Likewise.
	(_bfd_mips_elf_size_dynamic_sections): Likewise.
	(_bfd_mips_final_write_processing): Likewise.
	(_bfd_mips_elf_final_link): Likewise.
	* elfxx-sparc.c (_bfd_sparc_elf_size_dynamic_sections): Likewise.
	* elfxx-x86.c (elf_i386_is_reloc_section): Likewise.
	(elf_x86_64_is_reloc_section): Likewise.
	* hpux-core.c (thread_section_p): Likewise.
	* libcoff.h (bfd_pei_p): Likewise.
	* linker.c (REAL): Likewise.
	(unwrap_hash_lookup): Likewise.
	(_bfd_generic_link_add_one_symbol): Likewise.
	* mmo.c (mmo_internal_write_section): Likewise.
	* osf-core.c (osf_core_core_file_p): Likewise.
	* pef.c (bfd_pef_print_symbol): Likewise.
	* pei-x86_64.c (pex64_print_all_pdata_sections): Likewise.
	* som.c (som_slurp_symbol_table): Likewise.
	(som_slurp_armap): Likewise.
	* wasm-module.c (wasm_compute_custom_section_file_position): Likewise.

2021-03-22  Jan Beulich  <jbeulich@suse.com>

	* peXXigen.c (_bfd_XXi_swap_scnhdr_out): Add missing
	language translation wrapping to _bfd_error_handler()
	invocations.

2021-03-21  Alan Modra  <amodra@gmail.com>

	* bfd-in.h (startswith): New inline.
	(CONST_STRNEQ): Use startswith.
	* bfd-in2.h: Regenerate.

2021-03-20  Alan Modra  <amodra@gmail.com>

	PR 27590
	* elf.c (_bfd_elf_make_section_from_shdr): Remove SHF_EXCLUDE
	test for .gnu.debuglto*.

2021-03-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/27590
	* elf.c (_bfd_elf_make_section_from_shdr): Treat
	.gnu.debuglto_.debug_ section as debugging section unless it is
	marked with SHF_EXCLUDE.
	* elflink.c (elf_create_symbuf): Revert commit 994b2513281.
	(bfd_elf_match_symbols_in_sections): Ignore section symbols when
	matching non-debugging sections or linkonce section with comdat
	section.

2021-03-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/27587
	* dwarf2.c (read_attribute_value): Check version >= 3 for
	DW_FORM_ref_addr.

2021-03-16  Nick Clifton  <nickc@redhat.com>

	* peXXigen.c (_bfd_XXi_swap_aux_out): Avoid potential buffer
	overrun by using sizeof of the destination x_fname field as the
	limit for a memcpy.

2021-03-16  Kuan-Lin Chen  <kuanlinchentw@gmail.com>

	* elfxx-riscv.c (riscv_std_z_ext_strtab): Add zba, zbb and zbc.

2021-03-12  Clément Chigot  <clement.chigot@atos.net>

	* reloc.c (BFD_RELOC_PPC_TLS_LE, BFD_RELOC_PPC_TLS_IE,
	BFD_RELOC_PPC_TLS_M, BFD_RELOC_PPC_TLS_ML, BFD_RELOC_PPC64_TLS_GD,
	BFD_RELOC_PPC64_TLS_LD, BFD_RELOC_PPC64_TLS_LE,
	BFD_RELOC_PPC64_TLS_IE, BFD_RELOC_PPC64_TLS_M,
	BFD_RELOC_PPC64_TLS_ML): New relocations.
	* bfd-in2.h: Regenerate.
	* libbfd.h: Regenerate.
	* coff-rs6000.c (xcoff_calculate_relocation): Call
	xcoff_reloc_type_tls for TLS relocations.
	(xcoff_howto_table): Implement TLS relocations.
	(_bfd_xcoff_reloc_type_lookup): Add cases TLS relocations.
	(xcoff_reloc_type_tls): New function.
	* coff64-rs6000.c (xcoff_calculate_relocation): Likewise.
	(xcoff_howto_table): Likewise.
	(_bfd_xcoff_reloc_type_lookup): Likewise.
	* coffcode.h (sec_to_styp_flags): Handle TLS sections.
	(styp_to_sec_flags): Likewise.
	(coff_compute_section_file_positions): Avoid file offset
	optimisation for .data when the previous section is .tdata.
	(coff_write_object_contents): Handle TLS sections.
	* coffswap.h (coff_swap_aouthdr_out): Add support for
	new fields in aouthdr.
	* libxcoff.h (xcoff_reloc_type_tls): Add prototype.
	* xcofflink.c (xcoff_link_add_symbols): Handle XMC_UL.
	(xcoff_need_ldrel_p): Add cases for TLS relocations.
	(xcoff_create_ldrel): Add l_symndx for TLS sections.

2021-03-12  Clément Chigot  <clement.chigot@atos.net>

	* reloc.c (BFD_RELOC_PPC_TOC16_HI, BFD_RELOC_PPC_TOC16_LO):
	New relocations.
	* bfd-in2.h: Regenerate.
	* libbfd.h: Regenerate.
	* coff-rs6000.c (xcoff_calculate_relocation): Call
	xcoff_reloc_type_toc for R_TOCU and R_TOCL.
	(xcoff_howto_table): Remove src_mask for TOC relocations.
	Add R_TOCU and R_TOCL howtos.
	(_bfd_xcoff_reloc_type_lookup): Add cases for
	BFD_RELOC_PPC_TOC16_HI and BFD_RELOC_PPC_TOC16_LO.
	(xcoff_reloc_type_toc): Compute the whole offset.
	Implement R_TOCU and R_TOCL.
	* coff64-rs6000.c (xcoff64_calculate_relocation):
	Likewise.
	(xcoff64_howto_table): Likewise.
	(xcoff64_reloc_type_lookup): Likewise.

2021-03-12  Clément Chigot  <clement.chigot@atos.net>

	* coff-rs6000.c (xcoff_calculate_relocation): Correct and
	add new relocations.
	(xcoff_howto_table): Likewise.
	(xcoff_rtype2howto): Increase r_type maximum value.
	(xcoff_ppc_relocate_section): Reuse predefined HOWTOs instead
	of create a new one from scratch.  Enable only some relocations
	to have a changing r_size.
	* coff64-rs6000.c (xcoff64_calculate_relocation): Likewise.
	(xcoff64_howto_table): Likewise.
	(xcoff64_rtype2howto): Likewise.
	(xcoff64_ppc_relocate_section): Likewise.
	* libxcoff.h (XCOFF_MAX_CALCULATE_RELOCATION): Fix value.

2021-03-12  Clément Chigot  <clement.chigot@atos.net>

	* coff64-rs6000.c (xcoff64_ppc_relocate_section): Move.

2021-03-12  Clément Chigot  <clement.chigot@atos.net>

	* coff64-rs6000.c (xcoff64_write_object_contents): Remove.
	* coffcode.h (coff_write_object_contents): Add bfd_mach_ppc_620
	support for o_cputype field.  Avoid creating an empty a.out header
	for XCOFF64.

2021-03-12  Clément Chigot  <clement.chigot@atos.net>

	* coff64-rs6000.c (xcoff64_create_csect_from_smclas): Add
	missing smclass.

2021-03-11  Nelson Chu  <nelson.chu@sifive.com>

	* elfnn-riscv.c (riscv_elf_link_hash_table): New boolean
	restart_relax, used to check if we need to run the whole
	relaxations from relax pass 0 to 2 again.
	(riscv_elf_link_hash_table_create): Init restart_relax to FALSE.
	(_bfd_riscv_relax_align): Remove obsolete sec_flg0 set.
	(_bfd_riscv_relax_delete): Set again to TRUE if we do delete the code.
	(bfd_elfNN_riscv_restart_relax_sections): New function.  Called by
	after_allocation to check if we need to run the whole relaxations again.
	(_bfd_riscv_relax_section): We will only enter into the relax pass 3
	when the restart_relax is FALSE; At last set restart_relax to TRUE if
	again is TRUE, too.
	* elfxx-riscv.h (bfd_elf32_riscv_restart_relax_sections): Declaration.
	(bfd_elf64_riscv_restart_relax_sections): Likewise.

2021-03-10  Jan Beulich  <jbeulich@suse.com>

	* cofflink.c (_bfd_coff_write_global_sym): Range-check symbol
	offset.

2021-03-10  Alan Modra  <amodra@gmail.com>
	    Jan Beulich  <jbeulich@suse.com>

	* elf.c (bfd_elf_generic_reloc): Make references between debug
	sections use section relative values.

2021-03-09  Jan Beulich  <jbeulich@suse.com>

	* peXXigen.c (_bfd_XXi_swap_scnhdr_out): Diagnose out of range RVA.

2021-03-05  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/27425
	PR ld/27432
	* bfd.c (_bfd_get_link_info): New function.
	* elf-bfd.h (output_elf_obj_tdata): Add link_info.
	(elf_link_info): New.
	* libbfd-in.h (_bfd_get_link_info): New prototype.
	* coff-x86_64.c (coff_amd64_reloc): Also subtract __ImageBase for
	R_AMD64_IMAGEBASE when generating x86-64 ELF executable.
	* pe-x86_64.c: Include "coff/internal.h" and "libcoff.h".
	(pex64_link_add_symbols): New function.
	(coff_bfd_link_add_symbols): New macro.
	* libbfd.h: Regenerated.

2021-03-05  Craig Blackmore  <craig.blackmore@embecosm.com>
	    Andrew Burgess  <andrew.burgess@embecosm.com>

	* elf-bfd.h (elfcore_write_riscv_csr): Declare.
	* elf.c (elfcore_grok_riscv_csr): New function.
	(elfcore_grok_note): Handle NT_RISCV_CSR.
	(elfcore_write_riscv_csr): New function.
	(elfcore_write_register_note): Handle '.reg-riscv-csr'.

2021-03-05  Craig Blackmore  <craig.blackmore@embecosm.com>
	    Andrew Burgess  <andrew.burgess@embecosm.com>

	* elfnn-riscv.c (PRPSINFO_PR_FNAME_LENGTH): Define.
	(PRPSINFO_PR_PSARGS_LENGTH): Define.
	(riscv_write_core_note): New function.
	(riscv_elf_grok_psinfo): Make use of two new length defines.
	(elf_backend_write_core_note): Define.

2021-03-05  Craig Blackmore  <craig.blackmore@embecosm.com>
	    Andrew Burgess  <andrew.burgess@embecosm.com>

	* elf-bfd.h (elfcore_write_gdb_tdesc): Declare new function.
	* elf.c (elfcore_grok_gdb_tdesc): New function.
	(elfcore_grok_note): Handle NT_GDB_TDESC.
	(elfcore_write_gdb_tdesc): New function.
	(elfcore_write_register_note): Handle NT_GDB_TDESC.

2021-03-05  Nick Clifton  <nickc@redhat.com>

	PR 27521
	* dwarf2.c (is_str_attr): Add DW_FORM_strx* forms.
	(read_indexed_string): Placeholder function.
	(read_attribute_value): Handle DW_FORM_strx* and DW_FORM_addrx*
	forms.

2021-03-05  Alan Modra  <amodra@gmail.com>

	* reloc.c (bfd_perform_relocation): Revert 2021-01-12 and
	2020-09-16 changes.
	* coff-x86_64.c (coff_amd64_reloc): Do more or less the same
	adjustments here instead.  Separate pc-relative adjustments
	from symbol related adjustments.  Tidy comments and formatting.

2021-03-04  Jan Beulich  <jbeulich@suse.com>

	* coffcode.h (sec_to_styp_flags): Don't set IMAGE_SCN_LNK_* in
	final PE images.

2021-03-04  Alan Modra  <amodra@gmail.com>

	* rs6000-core.c (rs6000coff_core_p): Correct prototype.

2021-03-03  Alan Modra  <amodra@gmail.com>

	PR 27500
	* elflink.c (_bfd_elf_gc_mark_rsec): Do special start/stop
	processing not when start/stop symbol section is unmarked but
	on first time a start/stop symbol is processed.

2021-03-03  Alan Modra  <amodra@gmail.com>

	* reloc.c: Include x86_64.h rather than internal.h.

2021-03-02  Nick Clifton  <nickc@redhat.com>

	PR 27484
	* dwarf2.c (scan_unit_for_symbols): Scan twice, once to accumulate
	function and variable tags and a second time to resolve their
	attributes.

2021-03-02  Nick Alcock  <nick.alcock@oracle.com>

	* elf-strtab.c (_bfd_elf_strtab_str): Skip strings with zero refcount.

2021-03-02  Alan Modra  <amodra@gmail.com>

	PR 27451
	* elf64-ppc.c (ppc64_elf_gc_mark_dynamic_ref): Ignore synthesized
	linker defined start/stop symbols when start_stop_gc.

2021-03-02  Alan Modra  <amodra@gmail.com>

	* elf64-ppc.c (ppc64_elf_relocate_section): Don't optimise got
	indirect to pc-relative or toc-relative for undefined symbols.

2021-03-01  Alan Modra  <amodra@gmail.com>
	    Fangrui Song <maskray@google.com>

	* elflink.c (_bfd_elf_gc_mark_rsec): Ignore synthesized linker
	defined start/stop symbols when start_stop_gc.
	(bfd_elf_gc_mark_dynamic_ref_symbol): Likewise.
	(bfd_elf_define_start_stop): Don't modify ldscript_def syms.
	* linker.c (bfd_generic_define_start_stop): Likewise.

2021-02-25  Alan Modra  <amodra@gmail.com>

	PR 27441
	* elf-bfd.h (struct elf_link_hash_entry): Add ref_ir_nonweak.
	* elflink.c (elf_link_add_object_symbols): Set ref_ir_nonweak and
	use when deciding an as-needed library should be loaded instead
	of using the binding of the library definition.

2021-02-24  Alan Modra  <amodra@gmail.com>

	PR 27459
	* coff-stgo32.c (go32exe_check_format): Sanity check size of
	header to avoid a buffer overflow.

2021-02-22  Alan Modra  <amodra@gmail.com>

	* coff-rs6000.c (_bfd_xcoff_reloc_type_lookup): Remove BFD_RELOC_16.
	* coff64-rs6000.c (xcoff64_reloc_type_lookup): Likewise.

2021-02-19  Nelson Chu  <nelson.chu@sifive.com>

	PR 27158
	* elfnn-riscv.c (perform_relocation): Updated encoding macros.
	(_bfd_riscv_relax_call): Likewise.
	(_bfd_riscv_relax_lui): Likewise.
	* elfxx-riscv.c (howto_table): Likewise.

2021-02-18  Nelson Chu  <nelson.chu@sifive.com>

	* Makefile.am: Added cpu-riscv.h.
	* Makefile.in: Regenerated.
	* po/SRC-POTFILES.in: Regenerated.
	* cpu-riscv.h: Added to support spec versions controlling.
	Also added extern arrays and functions for cpu-riscv.c.
	(enum riscv_spec_class): Define all spec classes here uniformly.
	(struct riscv_spec): Added for all specs.
	(RISCV_GET_SPEC_CLASS): Added to reduce repeated code.
	(RISCV_GET_SPEC_NAME): Likewise.
	(RISCV_GET_ISA_SPEC_CLASS): Added to get ISA spec class.
	(RISCV_GET_PRIV_SPEC_CLASS): Added to get privileged spec class.
	(RISCV_GET_PRIV_SPEC_NAME): Added to get privileged spec name.
	* cpu-riscv.c (struct priv_spec_t): Replaced with struct riscv_spec.
	(riscv_get_priv_spec_class): Replaced with RISCV_GET_PRIV_SPEC_CLASS.
	(riscv_get_priv_spec_name): Replaced with RISCV_GET_PRIV_SPEC_NAME.
	(riscv_priv_specs): Moved below.
	(riscv_get_priv_spec_class_from_numbers): Likewise, updated.
	(riscv_isa_specs): Moved from include/opcode/riscv.h.
	* elfnn-riscv.c: Included cpu-riscv.h.
	(riscv_merge_attributes): Initialize in_priv_spec and out_priv_spec.
	* elfxx-riscv.c: Included cpu-riscv.h and opcode/riscv.h.
	(RISCV_UNKNOWN_VERSION): Moved from include/opcode/riscv.h.
	* elfxx-riscv.h: Removed extern functions to cpu-riscv.h.

2021-02-17  Alan Modra  <amodra@gmail.com>

	* wasm-module.c: Guard include of limits.h.
	(CHAR_BIT): Provide backup define.
	(wasm_read_leb128): Use CHAR_BIT to size "result" in bits.
	Correct signed overflow checking.

2021-02-17  Nelson Chu  <nelson.chu@sifive.com>

	PR 27200
	* elfnn-riscv.c (_bfd_riscv_elf_merge_private_bfd_data): Delay
	copying the elf flags from input BFD to output BFD, until we have
	checked if the input BFD has no code section or not.  Also fix the
	problem that we only check the first section rather than the entire
	sections for input BFD.

2021-02-16  Alan Modra  <amodra@gmail.com>

	* libbfd.c (_bfd_read_unsigned_leb128): Avoid excessive shift.
	(_bfd_safe_read_leb128, _bfd_read_signed_leb128): Likewise.

2021-02-15  Jan Beulich  <jbeulich@suse.com>

	* doc/Makefile.am: Replace "cp -p" by "$(LN_S)".
	* doc/Makefile.in: Re-generate.

2021-02-15  Alan Modra  <amodra@gmail.com>

	* elf32-nds32.c (nds32_get_section_contents): Replace
	bfd_malloc_and_get_section with bfd_get_full_section_contents.
	(nds32_elf_relax_delete_blanks): Init contents.
	(nds32_elf_relax_section, nds32_relax_fp_as_gp): Likewise.

2021-02-15  Alan Modra  <amodra@gmail.com>

	* coff-alpha.c (alpha_ecoff_get_relocated_section_contents): Use
	bfd_get_full_section_contents.

2021-02-14  Alan Modra  <amodra@gmail.com>

	* elfxx-mips.c (_bfd_elf_mips_get_relocated_section_contents): Apply
	all fixes to bfd_generic_get_relocated_section_contents since this
	function was split out.

2021-02-11  Alan Modra  <amodra@gmail.com>

	* config.bfd: Remove ia64 from obsolete list.

2021-02-11  Alan Modra  <amodra@gmail.com>

	PR ld/22269
	* elfnn-ia64.c: Revert 2017-10-14 git commit db41f6eb5234.

2021-02-11  Alan Modra  <amodra@gmail.com>

	PR 27294
	* elf32-avr.c (avr_elf32_load_records_from_section): Use
	bfd_malloc_and_get_section.  Use bfd_byte* vars and remove then
	unnecessary casts.

2021-02-11  Alan Modra  <amodra@gmail.com>

	PR 27291
	* section.c (bfd_get_section_contents): Avoid possible overflow
	when range checking offset and count.
	(bfd_set_section_contents): Likewise.

2021-02-03  Nick Alcock  <nick.alcock@oracle.com>

	* configure.ac (SHARED_LIBADD): Remove explicit -lintl population in
	favour of LIBINTL.
	* configure: Regenerated.

2021-02-09  Alan Modra  <amodra@gmail.com>

	* config.bfd (arm*-*-symbianelf*): Move from obsolete to removed.
	* configure.ac: Delete symbian entries.
	* elf-bfd.h (enum elf_target_os): Delete is_symbian.
	* elf32-arm.c: Remove symbian support.  Formatting.
	* targets.c: Delete symbian entries.
	* configure: Regenerate.

2021-02-04  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/19609
	* elf64-x86-64.c (elf_x86_64_relocate_section): Provide more
	info when failed to convert GOTPCREL relocation.

2021-02-04  Nelson Chu  <nelson.chu@sifive.com>

	* elfxx-riscv.c (riscv_parse_prefixed_ext): Removed zb*.

2021-02-04  Alan Modra  <amodra@gmail.com>

	PR 27311
	* elflink.c (elf_link_add_object_symbols): Don't pull in as-needed
	libraries for IR references on pass over libraries after LTO
	recompilation.

2021-02-03  Alan Modra  <amodra@gmail.com>

	PR 27311
	* elflink.c (_bfd_elf_add_default_symbol): Revert last two changes.
	(elf_link_add_object_symbols): Here too.  Don't pull in as-needed
	libraries when H is an indirect symbol after calling
	_bfd_elf_add_default_symbol.

2021-02-03  Alan Modra  <amodra@gmail.com>

	PR 27311
	* elflink.c (_bfd_elf_add_default_symbol): Clear override when
	undecorated symbol will have a different version.

2021-02-02  Alan Modra  <amodra@gmail.com>

	PR 27311
	* elflink.c (_bfd_elf_add_default_symbol): Add override parameter.
	Use when handling default versioned symbol.  Rename existing
	override variable to nondef_override and use for non-default
	versioned symbol.
	(elf_link_add_object_symbols): Adjust call to suit.  Don't
	pull in as-needed libraries when override is set.

2021-02-01  Emery Hemingway  <ehmry@posteo.net>

	* config.bfd: Add *-*-genode* as a target for AArch64 and x86.

2021-02-01  Egor Vishnyakov  <lenvampir@yandex.ru>

	PR 27254
	* elf32-rl78.c (rl78_elf_relocate_section): Fix calculation of
	offset for the R_RL78_RH_SADDR relocation.

2021-01-29  Alan Modra  <amodra@gmail.com>

	PR 27271
	* elflink.c (bfd_elf_link_record_dynamic_symbol): Don't segfault
	on symbols defined in absolute or other special sections.

2021-01-28  Alan Modra  <amodra@gmail.com>

	PR 27259
	* elflink.c (_bfd_elf_gc_mark_extra_sections): Use linker_mark to
	prevent endless looping of linked-to sections.

2020-12-17  Mihails Strasuns  <mihails.strasuns@intel.com>

	* bfd-elf.h (elfcore_write_file_note): New function.
	* elf.c (elfcore_write_file_note): New function.

2021-01-26  Alan Modra  <amodra@gmail.com>

	* elf32-ft32.c (ft32_reloc_type_lookup): Don't miss ft32_reloc_map[0].

2021-01-24  H.J. Lu  <hongjiu.lu@intel.com>

	PR binutils/27231
	* dwarf2.c (read_rnglists): Ignore empty range when parsing line
	number tables.

2021-01-23  H.J. Lu  <hongjiu.lu@intel.com>

	PR binutils/27231
	* dwarf2.c (read_rnglists): Advance rngs_ptr after
	_bfd_safe_read_leb128 when parsing DW_RLE_offset_pair.

2021-01-20  Alan Modra  <amodra@gmail.com>

	* elf32-ppc.c: Delete outdated comment.
	(TARGET_KEEP_UNUSED_SECTION_SYMBOLS): Define.
	* elf64-ppc.c (TARGET_KEEP_UNUSED_SECTION_SYMBOLS): Define.

2021-01-20  Alan Modra  <amodra@gmail.com>

	* elf64-ppc.c (ppc64_elf_get_synthetic_symtab): Don't assume
	section symbols are present.

2021-01-19  Alan Modra  <amodra@gmail.com>

	* elf64-ppc.c (elf_hash_entry): New inline function.  Use
	throughout to replace casts.
	(branch_reloc_hash_match): Remove const from params.
	(use_local_plt): New function.
	(allocate_dynrelocs, ppc_build_one_stub, ppc_size_one_stub),
	(build_global_entry_stubs_and_plt, ppc64_elf_relocate_section):
	Use use_local_plt.
	* elf32-ppc.c (use_local_plt): New function.
	(allocate_dynrelocs, ppc_elf_relocate_section),
	(write_global_sym_plt): Use use_local_plt.

2021-01-17  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/27193
	* elflink.c (elf_create_symbuf): Also ignore section symbols.

2021-01-16  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/23169
	* elfxx-x86.c (_bfd_x86_elf_link_fixup_ifunc_symbol): Don't
	check pointer_equality_needed.

2021-01-15  H.J. Lu  <hongjiu.lu@intel.com>

	* elf-linker-x86.h (elf_linker_x86_params): Add
	report_relative_reloc.
	* elf32-i386.c (elf_i386_relocate_section): Call
	_bfd_x86_elf_link_report_relative_reloc to report relative
	relocations for -z report-relative-reloc.
	(elf_i386_finish_dynamic_symbol): Likewse.
	* elf64-x86-64.c (elf_x86_64_relocate_section): Likewse.
	(elf_x86_64_finish_dynamic_symbol): Likewse.
	* elfxx-x86.c (_bfd_x86_elf_link_report_relative_reloc): New
	function.
	* elfxx-x86.h (_bfd_x86_elf_link_report_relative_reloc): New
	prototype.

2021-01-16  Alan Modra  <amodra@gmail.com>

	* compress.c (decompress_contents): Tidy inflateEnd result test.

2021-01-16  Alan Modra  <amodra@gmail.com>

	PR 26002
	* elflink.c (elf_link_output_extsym): Use version 1 in
	.gnu.version for undefined unversioned symbols.

2021-01-15  Nelson Chu  <nelson.chu@sifive.com>

	* elfnn-riscv.c (riscv_relax_delete_bytes): Fixed the indent that
	caused the by previous commit accidentally.

2021-01-15  Nelson Chu  <nelson.chu@sifive.com>

	* elfnn-riscv.c: Indent, labels and GNU coding standards tidy,
	also aligned the code.

2021-01-15  Nelson Chu  <nelson.chu@sifive.com>

	* elfnn-riscv.c (riscv_merge_attributes): Fix typos of messages.

2021-01-15  Nelson Chu  <nelson.chu@sifive.com>

	* elfnn-riscv.c: Comments tidy and improvement.
	* elfxx-riscv.c: Likewise.
	* elfxx-riscv.h: Likewise.

2021-01-14  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/26688
	* elf32-bfin.c (bfinfdpic_relocate_section): Skip non SEC_ALLOC
	section for R_BFIN_FUNCDESC.

2021-01-14  Nick Clifton  <nickc@redhat.com>

	* elf.c (elfcore_grok_win32pstatus): Check for a note type of 0.

2021-01-13  Alan Modra  <amodra@gmail.com>

	* Makefile.in: Regenerate.
	* doc/Makefile.in: Regenerate.

2021-01-13  Alan Modra  <amodra@gmail.com>

	PR 27160
	* section.c (struct bfd_section): Remove pattern field.
	(BFD_FAKE_SECTION): Adjust to suit.
	* bfd-in2.h: Regenerate.
	* elflink.c (compare_link_order, elf_fixup_link_order): Delete.
	(bfd_elf_final_link): Don't call elf_fixup_link_order.

2021-01-12  H.J. Lu  <hongjiu.lu@intel.com>

	PR binutils/26792
	* configure.ac: Use GNU_MAKE_JOBSERVER.
	* aclocal.m4: Regenerated.
	* configure: Likewise.

2021-01-12  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/27171
	* reloc.c (bfd_perform_relocation): Adjust R_AMD64_DIR64 and
	R_AMD64_DIR32 relocations for PE/x86-64 inputs.

2021-01-11  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/27173
	* configure: Regenerated.

2021-01-11  Nick Clifton  <nickc@redhat.com>

	* po/fr.po: Updated French translation.
	* po/pt.po: Updated Portuguese translation.
	* po/sr.po: Updated Serbian translation.
	* po/uk.po: Updated Ukranian translation.

2021-01-09  H.J. Lu  <hongjiu.lu@intel.com>

	* configure: Regenerated.

2021-01-09  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/27166
	* elfxx-x86.c (_bfd_x86_elf_merge_gnu_properties): Handle
	-z lam-u48 and -z lam-u57.

2021-01-09  Nick Clifton  <nickc@redhat.com>

	* version.m4: Change to 2.36.50.
	* configure: Regenerate.
	* po/bfd.pot: Regenerate.

2021-01-09  Nick Clifton  <nickc@redhat.com>

	* 2.36 release branch crated.

2021-01-08  H.J. Lu  <hongjiu.lu@intel.com>

	* elfxx-x86.c (_bfd_x86_elf_link_setup_gnu_properties): Also set
	LAM_U57 when setting LAM_U48.

2021-01-08  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/26256
	PR ld/27160
	* elflink.c (elf_fixup_link_order): Verify that fixing up
	SHF_LINK_ORDER doesn't increase the output section size.

2021-01-09  Alan Modra  <amodra@gmail.com>

	* configure: Regenerate.

2021-01-07  Samuel Thibault  <samuel.thibault@gnu.org>

	* configure: Regenerate.

2021-01-07  H.J. Lu  <hongjiu.lu@intel.com>

	PR 27109
	* aix386-core.c (core_aix386_vec): Initialize
	keep_unused_section_symbol to TARGET_KEEP_UNUSED_SECTION_SYMBOLS.
	* aout-target.h (MY (vec)): Likewise.
	* binary.c (binary_vec): Likewise.
	* cisco-core.c (core_cisco_be_vec): Likewise.
	(core_cisco_le_vec): Likewise.
	* coff-alpha.c (alpha_ecoff_le_vec): Likewise.
	* coff-i386.c (TARGET_SYM): Likewise.
	(TARGET_SYM_BIG): Likewise.
	* coff-ia64.c (TARGET_SYM): Likewise.
	* coff-mips.c (mips_ecoff_le_vec): Likewise.
	(mips_ecoff_be_vec): Likewise.
	(mips_ecoff_bele_vec): Likewise.
	* coff-rs6000.c (rs6000_xcoff_vec): Likewise.
	(powerpc_xcoff_vec): Likewise.
	* coff-sh.c (sh_coff_small_vec): Likewise.
	(sh_coff_small_le_vec): Likewise.
	* coff-tic30.c (tic30_coff_vec): Likewise.
	* coff-tic54x.c (tic54x_coff0_vec): Likewise.
	(tic54x_coff0_beh_vec): Likewise.
	(tic54x_coff1_vec): Likewise.
	(tic54x_coff1_beh_vec): Likewise.
	(tic54x_coff2_vec): Likewise.
	(tic54x_coff2_beh_vec): Likewise.
	* coff-x86_64.c (TARGET_SYM): Likewise.
	(TARGET_SYM_BIG): Likewise.
	* coff64-rs6000.c (rs6000_xcoff64_vec): Likewise.
	(rs6000_xcoff64_aix_vec): Likewise.
	* coffcode.h (CREATE_BIG_COFF_TARGET_VEC): Likewise.
	(CREATE_BIGHDR_COFF_TARGET_VEC): Likewise.
	(CREATE_LITTLE_COFF_TARGET_VEC): Likewise.
	* elfxx-target.h (TARGET_BIG_SYM): Likewise.
	(TARGET_LITTLE_SYM): Likewise.
	* hppabsd-core.c (core_hppabsd_vec): Likewise.
	* hpux-core.c (core_hpux_vec): Likewise.
	* i386msdos.c (i386_msdos_vec): Likewise.
	* ihex.c (ihex_vec): Likewise.
	* irix-core.c (core_irix_vec): Likewise.
	* mach-o-target.c (TARGET_NAME): Likewise.
	* mmo.c (mmix_mmo_vec): Likewise.
	* netbsd-core.c (core_netbsd_vec): Likewise.
	* osf-core.c (core_osf_vec): Likewise.
	* pdp11.c (MY (vec)): Likewise.
	* pef.c (pef_vec): Likewise.
	(pef_xlib_vec): Likewise.
	* plugin.c (plugin_vec): Likewise.
	* ppcboot.c (powerpc_boot_vec): Likewise.
	* ptrace-core.c (core_ptrace_vec): Likewise.
	* sco5-core.c (core_sco5_vec): Likewise.
	* som.c (hppa_som_vec): Likewise.
	* srec.c (srec_vec): Likewise.
	(symbolsrec_vec): Likewise.
	* tekhex.c (tekhex_vec): Likewise.
	* trad-core.c (core_trad_vec): Likewise.
	* verilog.c (verilog_vec): Likewise.
	* vms-alpha.c (alpha_vms_vec): Likewise.
	* vms-lib.c (alpha_vms_lib_txt_vec): Likewise.
	* wasm-module.c (wasm_vec): Likewise.
	* xsym.c (sym_vec): Likewise.
	* elf.c (ignore_section_sym): Return TRUE if BSF_SECTION_SYM_USED
	isn't set.
	(elf_map_symbols): Don't include ignored section symbols.
	* elfcode.h (elf_slurp_symbol_table): Also set
	BSF_SECTION_SYM_USED on STT_SECTION symbols.
	* elflink.c (bfd_elf_final_link): Generated section symbols only
	when emitting relocations or reqired.
	* elfxx-x86.h (TARGET_KEEP_UNUSED_SECTION_SYMBOLS): New.
	* syms.c (BSF_SECTION_SYM_USED): New.
	* targets.c (TARGET_KEEP_UNUSED_SECTION_SYMBOLS): New.
	(bfd_target): Add keep_unused_section_symbols.
	(bfd_keep_unused_section_symbols): New.
	* bfd-in2.h: Regenerated.

2021-01-07  Nick Clifton  <nickc@redhat.com>

	PR 25713
	* bfdio.c (_bfd_real_fopen): For Win32 convert relative paths to
	absolute paths and check to see if they are longer than MAX_PATH.

2021-01-07  Philipp Tomsich  <prt@gnu.org>

	* elfxx-riscv.c (riscv_std_z_ext_strtab): Added zihintpause.

2021-01-07  Claire Xenia Wolf  <claire@symbioticeda.com>
	    Jim Wilson  <jimw@sifive.com>
	    Andrew Waterman  <andrew@sifive.com>
	    Maxim Blinov  <maxim.blinov@embecosm.com>
	    Kito Cheng  <kito.cheng@sifive.com>
	    Nelson Chu  <nelson.chu@sifive.com>

	* elfxx-riscv.c (riscv_std_z_ext_strtab): Added zba, zbb and zbc.

2021-01-06  H.J. Lu  <hongjiu.lu@intel.com>

	* elf32-bfin.c (bfin_check_relocs): Check bfd_link_hash_indirect.
	(bfinfdpic_check_relocs): Likewise.

2021-01-06  Alan Modra  <amodra@gmail.com>

	* elf32-score.c (s3_bfd_score_info_to_howto): Report an error
	on unknown r_type.
	* elf32-score7.c (s7_bfd_score_info_to_howto): Likewise.

2021-01-06  Alan Modra  <amodra@gmail.com>

	* config.bfd (sparc-*-solaris2*): Add sparc_elf32_vec.
	(sparc64-*-solaris2*): Add sparc_elf64_vec and
	sparc_elf32_vec.

2021-01-06  Marcus Comstedt  <marcus@mc.pp.se>

	* config.bfd: Added targets riscv64be*-*-*, riscv32be*-*-* and
	riscvbe*-*-*.  Also added riscv_elf[32|64]_be_vec.
	* configure.ac: Handle riscv_elf[32|64]_be_vec.
	* configure: Regenerate.
	* elfnn-riscv.c: Include <limits.h> and define CHAR_BIT for
	riscv_is_insn_reloc.
	(riscv_get_insn): RISC-V instructions are always little endian, but
	bfd_get may be used for big-endian, so add new riscv_get_insn to handle
	the insturctions.
	(riscv_put_insn): Likewsie.
	(riscv_is_insn_reloc): Check if we are relocaing an instruction.
	(perform_relocation): Call riscv_is_insn_reloc to decide if we should
	use riscv_[get|put]_insn or bfd_[get|put].
	(riscv_zero_pcrel_hi_reloc): Use riscv_[get|put]_insn, bfd_[get|put]l32
	or bfd_[get|put]l16 for code.
	(riscv_elf_relocate_section): Likewise.
	(riscv_elf_finish_dynamic_symbol): Likewise.
	(riscv_elf_finish_dynamic_sections): Likewise.
	(_bfd_riscv_relax_call): Likewise.
	(_bfd_riscv_relax_lui): Likewise.
	(_bfd_riscv_relax_align): Likewise.
	(_bfd_riscv_relax_pc): Likewise.
	(riscv_elf_object_p): Handled for big endian.
	(TARGET_BIG_SYM, TARGET_BIG_NAME): Defined.
	* targets.c: Add riscv_elf[32|64]_be_vec.
	(_bfd_target_vector): Likewise.

2021-01-05  Alan Modra  <amodra@gmail.com>

	* elflink.c (bfd_elf_link_record_dynamic_symbol): Handle no_export
	for relocatable executable.

2021-01-05  Alan Modra  <amodra@gmail.com>

	* vms-alpha.c (_bfd_vms_slurp_egsd): Read flags after size check.

2021-01-05  Nelson Chu  <nelson.chu@sifive.com>

	* elfnn-riscv.c (allocate_dynrelocs): When we are generating pde,
	make sure gp symbol is output as a dynamic symbol.

2021-01-04  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/26256
	* elflink.c (compare_link_order): Place unordered sections before
	ordered sections.
	(elf_fixup_link_order): Add a link info argument.  Allow mixed
	ordered and unordered input sections for non-relocatable link.
	Sort the consecutive bfd_indirect_link_order sections with the
	same pattern.  Change the offsets of the bfd_indirect_link_order
	sections only.
	(bfd_elf_final_link): Pass info to elf_fixup_link_order.
	* section.c (bfd_section): Add pattern.
	(BFD_FAKE_SECTION): Initialize pattern to NULL.
	* bfd-in2.h: Regenerated.

2021-01-04  Alexander Fedotov  <alfedotov@gmail.com>

	* elf32-arm.c (elf32_arm_print_private_bfd_data): Prefix hex value
	of private flags with 0x.
	* elfnn-aarch64.c (elfNN_aarch64_print_private_bfd_data): Likewise.

2021-01-04  Alan Modra  <amodra@gmail.com>

	PR 26822
	* elflink.c (elf_link_input_bfd): Use the file base name in
	linker generated STT_FILE symbols.

2021-01-04  Nelson Chu  <nelson.chu@sifive.com>

	* elfxx-riscv.c (riscv_compare_subsets): Removed static.
	* elfxx-riscv.h: Add declaration.
	* elfnn-riscv.c (riscv_merge_multi_letter_ext): Use
	riscv_compare_subsets to check the orders.
	(riscv_skip_prefix): Removed.
	(riscv_prefix_cmp): Removed.

2021-01-04  Alan Modra  <amodra@gmail.com>

	PR 26741
	* elfxx-riscv.c (riscv_parse_prefixed_ext): Free subset after
	calculating subset version length.

2021-01-01  Nicolas Boulenguez  <nicolas@debian.org>

	* xcofflink.c: Correct spelling in comments.

2021-01-01  Alan Modra  <amodra@gmail.com>

	Update year range in copyright notice of all files.

For older changes see ChangeLog-2020
\f
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