+2020-09-09 Alan Modra <amodra@gmail.com>
+
+ * libbfd-in.h (_bfd_write_unsigned_leb128): Declare.
+ * libbfd.h: Regenerate.
+
+2020-09-08 Jozef Lawrynowicz <jozef.l@mittosystems.com>
+ Kuan-Lin Chen <kuanlinchentw@gmail.com>
+
+ * bfd-in2.h (bfd_reloc_code_real): Add
+ BFD_RELOC_MSP430_{SET,SUB}_ULEB128.
+ * elf32-msp430.c (msp430_elf_ignore_reloc): New.
+ (elf_msp430_howto_table): Add R_MSP430{,X}_GNU_{SET,SUB}_ULEB128.
+ (msp430_reloc_map): Add R_MSP430_GNU_{SET,SUB}_ULEB128.
+ (msp430x_reloc_map): Add R_MSP430X_GNU_{SET,SUB}_ULEB128.
+ (write_uleb128): New.
+ (msp430_final_link_relocate): Handle R_MSP430{,X}_GNU_{SET,SUB}_ULEB128.
+ * libbfd.c (_bfd_write_unsigned_leb128): New.
+ * libbfd.h (_bfd_write_unsigned_leb128): New prototype.
+ Add BFD_RELOC_MSP430_{SET,SUB}_ULEB128.
+ * reloc.c: Document BFD_RELOC_MSP430_{SET,SUB}_ULEB128.
+
+2020-09-08 Alex Coplan <alex.coplan@arm.com>
+
+ * archures.c (bfd_mach_aarch64_8R): New.
+ * bfd-in2.h: Regenerate.
+ * cpu-aarch64.c (bfd_aarch64_arch_v8_r): New.
+ (bfd_aarch64_arch_ilp32): Update tail pointer.
+
+2020-09-08 Alan Modra <amodra@gmail.com>
+
+ PR 13250
+ PR 26580
+ * elflink.c (_bfd_elf_merge_symbol): Make "override" a bfd**.
+ Return oldbfd in override when old common should override new
+ common.
+ (_bfd_elf_add_default_symbol): Adjust to suit.
+ (elf_link_add_object_symbols): Likewise. Pass "override" to
+ _bfd_generic_link_add_one_symbol. Save and restore common u.c.p
+ field for --as-needed shared libraries. Revert pr13250 changes.
+
+2020-09-08 Nick Clifton <nickc@redhat.com>
+
+ * plugin.c (bfd_plugin_canonicalize_symtab): Handle the case of an
+ unrecognized symbol type in a weak definition.
+
+2020-09-04 Alan Modra <amodra@gmail.com>
+
+ PR 26574
+ * elfcode.h (elf_object_p): Sanity check section header offset.
+ * elf.c (_bfd_elf_slurp_secondary_reloc_section): Sanity check
+ sh_entsize.
+
+2020-09-04 Alan Modra <amodra@gmail.com>
+
+ PR 15146
+ PR 26314
+ PR 26530
+ * elflink.c (elf_link_add_object_symbols): Do set def_regular
+ and ref_regular for IR symbols. Don't clear dynsym, allowing
+ IR symbols to load --as-needed shared libraries, but prevent
+ IR symbols from becoming dynamic.
+
+2020-09-03 Nick Clifton <nickc@redhat.com>
+
+ PR 26521
+ * elf.c (_bfd_elf_write_secondary_reloc_section): Check for
+ secondary reloc sections with a zero sh_entsize field.
+
+2020-09-03 Nelson Chu <nelson.chu@sifive.com>
+
+ * elfnn-riscv.c (riscv_i_or_e_p): Minor cleanup for warnings/errors.
+ (riscv_merge_std_ext): Likewise.
+ (riscv_merge_arch_attr_info): Likewise.
+ (riscv_merge_attributes): Likewise and fix comment typos.
+
+2020-09-03 Nelson Chu <nelson.chu@sifive.com>
+
+ * elfnn-riscv.c (riscv_version_mismatch): Change the return type
+ from void to bfd_boolean. Report warnings rather than errors
+ when the ISA versions are mis-matched. Afterwards, remember to
+ update the output ISA versions to the newest ones.
+ (riscv_merge_std_ext): Allow to link objects with different
+ standard ISA versions. Try to add output ISA versions to
+ merged_subsets first.
+ (riscv_merge_multi_letter_ext): Likewise. But for standard additional
+ ISA and non-standard ISA versions.
+
+2020-09-03 Kito Cheng <kito.cheng@sifive.com>
+
+ * elfnn-riscv.c (riscv_merge_std_ext): Fix to report the correct
+ error message when the versions of extension are mis-matched.
+ * elfxx-riscv.c (riscv_parse_subset): Don't issue the error when
+ the string is empty.
+
+2020-09-03 Alan Modra <amodra@gmail.com>
+
+ * xcofflink.c (xcoff_get_archive_info): Allocate xcoff_archive_info
+ on the output bfd objalloc memory.
+
+2020-09-02 Alan Modra <amodra@gmail.com>
+
+ * elfnn-aarch64.c (elfNN_aarch64_relocate_section): Correct type
+ of constant shifted left.
+
+2020-09-02 Alan Modra <amodra@gmail.com>
+
+ * elf32-pru.c (pru_elf32_do_ldi32_relocate): Use an unsigned
+ type for "relocation".
+
+2020-09-01 Alan Modra <amodra@gmail.com>
+
+ * reloc.c (N_ONES): Handle N=0.
+ * elf32-arm.c (elf32_arm_howto_table_1): Set complain_overflow_dont
+ for R_ARM_TLS_DESCSEQ and R_ARM_THM_TLS_DESCSEQ.
+
+2020-09-01 Alan Modra <amodra@gmail.com>
+
+ PR 26429
+ * elf32-arm.c (elf32_arm_allocate_local_sym_info): Allocate arrays
+ in descending order of alignment.
+
+2020-09-01 Alan Modra <amodra@gmail.com>
+
+ PR 26423
+ * elf32-arm.c (calculate_group_reloc_mask): Use 3u in shift.
+
+2020-08-31 Alan Modra <amodra@gmail.com>
+
+ PR 26493
+ * elfnn-riscv.c (riscv_make_plt_header): Cast PLT_HEADER_SIZE to
+ unsigned when using with RISCV_ITYPE.
+ (_bfd_riscv_relax_call): Use an unsigned foff.
+
+2020-08-31 Alan Modra <amodra@gmail.com>
+
+ PR 26476
+ PR 26477
+ * elfxx-mips.c (CRINFO_CTYPE, CRINFO_RTYPE, CRINFO_DIST2TO),
+ (CRINFO_RELVADDR): Make unsigned.
+ (mips_elf_nullify_got_load): Use unsigned constant when shifting
+ into sign bit.
+
+2020-08-31 Alan Modra <amodra@gmail.com>
+
+ PR 26466
+ * mep-relocs.pl (emit_apply): Handle HI16S adjustment. Use "u"
+ variable and rewrite signed overflow check.
+ * elf32-mep.c: Regenerate.
+ (mep_final_link_relocate): Delete "s".
+
+2020-08-31 Alan Modra <amodra@gmail.com>
+
+ PR 26461
+ * elfxx-ia64.c (ia64_elf_install_value): Make expressions unsigned
+ that might shift values into sign bit.
+
+2020-08-31 Alan Modra <amodra@gmail.com>
+
+ PR 26445
+ * elf32-csky.c (csky_relocate_contents): Make relocation a bfd_vma,
+ and similarly for variables dealing with overflow.
+
+2020-08-31 Alan Modra <amodra@gmail.com>
+
+ PR 26442
+ * elf32-crx.c (crx_elf_final_link_relocate): Calculate reloc_bits
+ without undefined behaviour. Tidy excess casts.
+
+2020-08-31 Alan Modra <amodra@gmail.com>
+
+ * elf-m10300.c (mn10300_elf_relax_delete_bytes): Calculate
+ alignment from reloc addend after reloc type R_MN10300_ALIGN is
+ found.
+
+2020-08-30 Alan Modra <amodra@gmail.com>
+
+ PR 26435
+ PR 26436
+ * elf32-cr16.c (cr16_elf_final_link_relocate): Calculate reloc_bits
+ without undefined behaviour.
+
+2020-08-29 Nick Clifton <nickc@redhat.com>
+
+ PR 26520
+ * dwarf2.c (scan_unit_for_symbols): Add member entries to the
+ variable table.
+
+2020-08-29 Alan Modra <amodra@gmail.com>
+
+ PR 26459
+ * elfnn-ia64.c (get_dyn_sym_info): Don't bsearch or look at last
+ element when count is zero. bfd_realloc when shrinking.
+
+2020-08-28 Alan Modra <amodra@gmail.com>
+
+ PR 26418
+ * ecofflink.c (bfd_ecoff_write_accumulated_debug): Don't write
+ zero size buffers.
+
+2020-08-28 Alan Modra <amodra@gmail.com>
+
+ PR 26418
+ * ecofflink.c (WRITE): Really don't write zero size chunks.
+
+2020-08-28 Tuckker <tuckkern+sourceware@gmail.com>
+
+ PR 26543
+ * linker.c (bfd_generic_define_common_symbol): Force the alignment
+ to 1 if the section has now alignment requirement.
+
+2020-08-28 Cooper Qu <cooper.qu@linux.alibaba.com>
+
+ * elf32-csky.c (csky_archs): Fix arch names.
+ (csky_find_arch_with_name): New.
+ (elf32_csky_merge_attributes): New.
+ (csky_elf_merge_private_bfd_data): Add process of merge
+ attribute section.
+ (elf32_csky_obj_attrs_arg_type): New.
+ (elf32_csky_obj_attrs_handle_unknown): New.
+ (elf_backend_obj_attrs_vendor): Define.
+ (elf_backend_obj_attrs_section): Define.
+ (elf_backend_obj_attrs_arg_type): Define.
+ (elf_backend_obj_attrs_section_type): Define.
+
+2020-08-28 Nick Clifton <nickc@redhat.com>
+
+ PR19011
+ * cofflink.c (_bfd_coff_generic_relocate_section): Provide a value
+ for undefined symbols which will not generate extra warning
+ messages about truncated relocs.
+
+2020-08-28 Nelson Chu <nelson.chu@sifive.com>
+
+ * elfnn-riscv.c (riscv_elf_check_relocs): Treat R_RISCV_CALL
+ and R_RISCV_CALL_PLT as the same in the riscv_elf_check_relocs.
+ (riscv_elf_relocate_section): Remove the R_RISCV_CALL for the
+ unresolved reloc checks.
+
+2020-08-27 John David Anglin <danglin@gcc.gnu.org>
+
+ PR 26356
+ * som.c (som_bfd_copy_private_section_data): Issue error when a
+ subspace is specified without its containing space.
+
+2020-08-27 Alan Modra <amodra@gmail.com>
+
+ PR 26469
+ * elflink.c: Include limits.h.
+ (CHAR_BIT): Provide fallback define.
+ (set_symbol_value): Correct complex reloc comment.
+ (undefined_reference): Set bfd_error.
+ (BINARY_OP_HEAD, BINARY_OP_TAIL): Split out from..
+ (BINARY_OP): ..this.
+ (eval_symbol): Limit shifts. Force unsigned for left shift.
+ Catch divide by zero.
+ * configure.ac (AC_CHECK_HEADERS): Combine, sort and add limits.h.
+ * configure: Regenerate.
+ * config.in: Regenerate.
+
+2020-08-27 Alan Modra <amodra@gmail.com>
+
+ PR 26462
+ * reloc.c (bfd_check_overflow): Return early if zero bitsize.
+
+2020-08-27 Alan Modra <amodra@gmail.com>
+
+ * elf32-arm.c (elf32_arm_final_link_relocate): Don't segfault
+ on sym_sec not being output.
+
+2020-08-27 Alan Modra <amodra@gmail.com>
+
+ PR 26416
+ * elf64-alpha.c (elf64_alpha_relax_tls_get_addr): Correct "dynamic".
+
+2020-08-26 Nick Clifton <nickc@redhat.com>
+
+ PR 26433
+ * elf32-avr.c (avr_final_link_relocate): Fix undefined shift
+ behaviour.
+ (avr_elf32_load_records_from_section): Use bfd_get_16 and
+ bfd_get_32 to load values from potentially unaligned pointers.
+
+ PR 26416
+ * elf64-alpha.c (elf64_alpha_relax_tls_get_addr): Test for and
+ ignore local symbols.
+ (elf64_alpha_relax_got_load): Do not check for local dynamic
+ symbols.
+ (OP_LDA, OP_LDAH, OP_LDQ, OP_BR, OP_BSR): Use unsigned constant
+ values.
+ (INSN_A) Cast the A parameter to unsigned.
+ (INSN_AB): Define in terms of INSN_A.
+ (INSN_ABC): Likewise.
+ (INSN_ABO): Likewise.
+ (INSN_AD): Likewise.
+
+ PR 26411
+ * elfnn-aarch64.c (elfNN_aarch64_relocate_section): Use an
+ unsigned long constant when creating a mask to test for alignment
+ issues.
+
+2020-08-26 Alan Modra <amodra@gmail.com>
+
+ PR 26507
+ * elf32-xtensa.c (find_removed_literal): Don't bsearch empty map.
+
+2020-08-26 Alan Modra <amodra@gmail.com>
+
+ PR 26506
+ * elf32-xtensa.c (elf_xtensa_combine_prop_entries): Return early
+ when section is empty.
+
+2020-08-26 Alan Modra <amodra@gmail.com>
+
+ PR 26498
+ * elf32-spu.c (find_function_stack_adjust): Use unsigned vars to
+ avoid UB left shift.
+
+2020-08-26 Alan Modra <amodra@gmail.com>
+
+ PR 26484
+ PR 26485
+ PR 26486
+ PR 26487
+ PR 26488
+ PR 26490
+ * elf64-ppc.c (is_tls_get_addr): Avoid UB &h->elf when h is NULL.
+ (ppc64_elf_tls_setup): Likewise.
+ (branch_reloc_hash_match): Likewise.
+ (build_plt_stub): Likewise.
+ (ppc64_elf_relocate_section): Likewise.
+
+2020-08-26 Alan Modra <amodra@gmail.com>
+
+ PR 26478
+ * mmo.c (mmo_write_symbols_and_terminator): Don't memcpy empty table.
+
+2020-08-26 Alan Modra <amodra@gmail.com>
+
+ PR 26475
+ * elfxx-mips.c (_bfd_mips_elf_finish_dynamic_sections): Check
+ sstubs->contents != NULL.
+
+2020-08-26 Alan Modra <amodra@gmail.com>
+
+ PR 26453
+ * som.c (som_prep_for_fixups): Return early when no symbols.
+
+2020-08-26 Alan Modra <amodra@gmail.com>
+
+ PR 26418
+ * ecofflink.c (WRITE): Don't write size 0 chunks.
+
+2020-08-26 Alan Modra <amodra@gmail.com>
+
+ * bfdio.c (bfd_get_file_size): Don't segv on NULL adata.
+
+2020-08-26 Alan Modra <amodra@gmail.com>
+
+ PR 26415
+ * vms-misc.c (vms_time_t_to_vms_time): Don't use unsigned short vars.
+
+2020-08-26 David Faust <david.faust@oracle.com>
+
+ * archures.c (bfd_mach_xbpf): Define.
+ * bfd-in2.h: Regenerate.
+ * cpu-bpf.c (bfd_xbpf_arch) New.
+ (bfd_bpf_arch) Update next in list field to point to xbpf arch.
+
+2020-08-26 Alan Modra <amodra@gmail.com>
+
+ * archures.c (bfd_mach_ck860): Define.
+
+2020-08-25 Mark Wielaard <mark@klomp.org>
+
+ * dwarf2.c (struct dwarf2_debug_file): Add dwarf_rnglists_buffer
+ and dwarf_rnglists_size fields.
+ (dwarf_debug_sections): Add debug_rnglists.
+ (dwarf_debug_section_enum): Likewise.
+ (read_debug_rnglists): New function.
+ (read_rangelist): New function to call either read_ranges or
+ read_rnglists. Rename original function to...
+ (read_ranges): ...this.
+ (read_rnglists): New function.
+
+2020-08-25 Alan Modra <amodra@gmail.com>
+
+ PR 26505
+ * elf32-xstormy16.c (xstormy16_elf_relax_section): Check
+ is_elf_hash_table before accessing elf fields.
+
+2020-08-25 Alan Modra <amodra@gmail.com>
+
+ PR 26482
+ * coff-rs6000.c (_bfd_xcoff_sizeof_headers): Ignore sections that
+ won't be output.
+
+2020-08-25 Alan Modra <amodra@gmail.com>
+
+ PR 26463
+ * elf32-m32c.c (m32c_elf_relax_section): Check is_elf_hash_table
+ before accessing elf fields.
+
+2020-08-25 Alan Modra <amodra@gmail.com>
+
+ PR 26452
+ * som.c (som_compute_checksum): XOR 32-bit words in header,
+ not unsigned long sized words.
+
+2020-08-25 Alan Modra <amodra@gmail.com>
+
+ PR 26430
+ * elf-nacl.c (nacl_modify_segment_map): Correct alloc size and
+ amount copied for elf_segment_map defined with one element
+ sections array.
+
+2020-08-25 Alan Modra <amodra@gmail.com>
+
+ PR 26422
+ * elf32-arm.c (elf32_arm_final_link_relocate): Use the appropriate
+ bfd_get_x size function to read addends out of fields. Apply
+ rightshift adjustment too. Don't apply the now unnecessary
+ howto->size shift to branch REL addends. Don't refetch R_ARM_ABS8
+ and R_ARM_ABS16 addends. Don't refetch thumb branch addends.
+ Correct R_ARM_THM_JUMP6 addend.
+
+2020-08-25 Alan Modra <amodra@gmail.com>
+
+ PR 26419
+ * elf-m10300.c (mn10300_elf_relax_section): Don't attempt access
+ before start of section.
+
+2020-08-25 Alan Modra <amodra@gmail.com>
+
+ * elf-m10300.c (elf32_mn10300_hash_table): Test is_elf_hash_table
+ before accessing elf_hash_table_id.
+ * elf32-arc.c (elf_arc_hash_table): Likewise.
+ * elf32-arm.c (elf32_arm_hash_table): Likewise.
+ * elf32-avr.c (avr_link_hash_table): Likewise.
+ * elf32-bfin.c (bfinfdpic_hash_table): Likewise.
+ * elf32-cris.c (elf_cris_hash_table): Likewise.
+ * elf32-csky.c (csky_elf_hash_table): Likewise.
+ * elf32-frv.c (frvfdpic_hash_table): Likewise.
+ * elf32-hppa.c (hppa_link_hash_table): Likewise.
+ * elf32-lm32.c (lm32_elf_hash_table): Likewise.
+ * elf32-m32r.c (m32r_elf_hash_table): Likewise.
+ * elf32-m68hc1x.h (m68hc11_elf_hash_table): Likewise.
+ * elf32-m68k.c (elf_m68k_hash_table): Likewise.
+ * elf32-metag.c (metag_link_hash_table): Likewise.
+ * elf32-microblaze.c (elf32_mb_hash_table): Likewise.
+ * elf32-nds32.h (nds32_elf_hash_table): Likewise.
+ * elf32-or1k.c (or1k_elf_hash_table): Likewise.
+ * elf32-s390.c (elf_s390_hash_table): Likewise.
+ * elf32-sh.c (sh_elf_hash_table): Likewise.
+ * elf32-spu.c (spu_hash_table): Likewise.
+ * elf32-tilepro.c (tilepro_elf_hash_table): Likewise.
+ * elf32-xtensa.c (elf_xtensa_hash_table): Likewise.
+ * elf64-alpha.c (alpha_elf_hash_table): Likewise.
+ * elf64-hppa.c (hppa_link_hash_table): Likewise.
+ * elf64-ia64-vms.c (elf64_ia64_hash_table): Likewise.
+ * elf64-s390.c (elf_s390_hash_table): Likewise.
+ * elfnn-ia64.c (elfNN_ia64_hash_table): Likewise.
+ * elfnn-riscv.c (riscv_elf_hash_table): Likewise.
+ * elfxx-mips.c (mips_elf_hash_table): Likewise.
+ * elfxx-sparc.h (_bfd_sparc_elf_hash_table): Likewise.
+ * elfxx-tilegx.c (tilegx_elf_hash_table): Likewise.
+
+2020-08-21 Jon Turney <jon.turney@dronecode.org.uk>
+
+ * elf.c (elfcore_grok_win32pstatus): Change name_size to unsigned
+ int. Use '%u' format with _bfd_error_handler to render it.
+
+2020-08-25 Alan Modra <amodra@gmail.com>
+
+ PR 26489
+ * elf64-ppc.c (ppc64_elf_size_stubs): Test code_sec->has_toc_reloc
+ and code_sec->makes_toc_func_call before sec_info[code_sec->id].
+
+2020-08-25 Alan Modra <amodra@gmail.com>
+
+ PR 26492
+ * elf64-ppc.c (ppc_hash_table): Test is_elf_hash_table before
+ accessing elf_hash_table_id.
+
+2020-08-25 Alan Modra <amodra@gmail.com>
+
+ PR 26483
+ * elf32-ppc.c (ppc_elf_hash_table): Test is_elf_hash_table before
+ accessing elf_hash_table_id.
+
+2020-08-24 Mark Wielaard <mark@klomp.org>
+
+ * dwarf2.c (read_attribute_value): Handle DW_FORM_data16.
+ (read_formatted_entries): Likewise. And skip zero entry.
+
+2020-08-24 Cooper Qu <cooper.qu@linux.alibaba.com>
+
+ * bfd-in2.h (bfd_mach_ck860): New.
+ * cpu-csky.c (arch_info_struct): Add item for CK860.
+
+2020-08-24 Alan Modra <amodra@gmail.com>
+
+ * elf32-ppc.c (ppc_elf_check_relocs): Set has_tls_reloc for
+ high part tprel16 relocs.
+ (ppc_elf_tls_optimize): Sanity check high part tprel16 relocs.
+ Clear do_tls_opt on odd instructions.
+ (ppc_elf_relocate_section): Move TPREL16_HA/LO optimisation later.
+ Don't sanity check them here.
+ * elf64-ppc.c (ppc64_elf_check_relocs): Set has_tls_reloc for
+ high part tprel16 relocs.
+ (ppc64_elf_tls_optimize): Sanity check high part tprel16 relocs.
+ Clear do_tls_opt on odd instructions.
+ (ppc64_elf_relocate_section): Don't sanity check TPREL16_HA.
+
+2020-08-23 John David Anglin <danglin@gcc.gnu.org>
+
+ PR binutils/26357
+ * configure.ac: Disable plugins by default on 32-bit hppa*-*-hpux*.
+ * configure: Regenerate.
+
+2020-08-22 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR ld/26382
+ * elflink.c (elf_link_output_symstrtab): Keep only one '@' for
+ versioned symbols, which are defined in shared objects, in
+ symbol string table.
+
+2020-08-21 Nick Clifton <nickc@redhat.com>
+
+ * elfnn-aarch64.c (_bfd_aarch64_erratum_835769_scan): Only sort
+ the data map if there are entries in it.
+ (_bfd_aarch64_erratum_843419_scan): Likewise.
+
+2020-08-21 Jan Beulich <jbeulich@suse.com>
+
+ * peXXigen.c (_bfd_XX_bfd_copy_private_bfd_data_common): Check
+ last byte of debug dir, not first.
+
2020-08-20 Nick Clifton <nickc@redhat.com>
PR 26428