_bfd_alloc_and_read

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

2020-02-19  Alan Modra  <amodra@gmail.com>

	* libbfd-in.h (_bfd_alloc_and_read, _bfd_malloc_and_read): New.
	* aoutx.h (aout_get_external_symbols): Replace calls to
	bfd_[m]alloc and bfd_bread with call to _bfd_[m]alloc_and_read.
	(slurp_reloc_table): Likewise.
	* archive.c (do_slurp_bsd_armap): Likewise.
	(do_slurp_coff_armap): Likewise.
	* archive64.c (_bfd_archive_64_bit_slurp_armap): Likewise.
	* coff-rs6000.c (_bfd_xcoff_slurp_armap): Likewise.
	* coff64-rs6000.c (xcoff64_slurp_armap): Likewise.
	* coffcode.h (coff_set_arch_mach_hook, buy_and_read): Likewise.
	* coffgen.c (coff_real_object_p, coff_object_p, build_debug_section),
	(_bfd_coff_get_external_symbols): Likewise.
	* ecoff.c (ecoff_slurp_symbolic_header),
	(_bfd_ecoff_slurp_symbolic_info, ecoff_slurp_reloc_table),
	(_bfd_ecoff_slurp_armap, ecoff_link_add_object_symbols, READ),
	(ecoff_indirect_link_order): Likewise.
	* elf.c (bfd_elf_get_str_section, setup_group, elf_read_notes),
	(_bfd_elf_slurp_version_tables): Likewise.
	* elf32-m32c.c (m32c_elf_relax_section): Likewise.
	* elf32-rl78.c (rl78_elf_relax_section): Likewise.
	* elf32-rx.c (elf32_rx_relax_section): Likewise.
	* elf64-alpha.c (READ): Likewise.
	* elf64-mips.c (mips_elf64_slurp_one_reloc_table): Likewise.
	* elf64-sparc.c (elf64_sparc_slurp_one_reloc_table): Likewise.
	* elfcode.h (elf_slurp_symbol_table),
	(elf_slurp_reloc_table_from_section): Likewise.
	* elflink.c (elf_link_add_object_symbols),
	(elf_link_check_versioned_symbol): Likewise.
	* elfxx-mips.c (READ): Likewise.
	* i386lynx.c (slurp_reloc_table): Likewise.
	* lynx-core.c (lynx_core_file_p): Likewise.
	* mach-o.c (bfd_mach_o_canonicalize_relocs),
	(bfd_mach_o_read_symtab_strtab, bfd_mach_o_alloc_and_read),
	(bfd_mach_o_read_prebound_dylib, bfd_mach_o_read_dyld_content
	* pdp11.c (aout_get_external_symbols, slurp_reloc_table
	* pef.c (bfd_pef_print_loader_section, bfd_pef_scan_start_address),
	(bfd_pef_parse_symbols): Likewise.
	* peicode.h (pe_ILF_object_p, pe_bfd_object_p
	* som.c (setup_sections, som_slurp_string_table),
	(som_slurp_reloc_table, som_bfd_count_ar_symbols),
	(som_bfd_fill_in_ar_symbols): Likewise.
	* vms-alpha.c (module_find_nearest_line, evax_bfd_print_dst),
	(evax_bfd_print_image): Likewise.
	* vms-lib.c (_bfd_vms_lib_archive_p): Likewise.
	* wasm-module.c (wasm_scan): Likewise.
	* xcofflink.c (xcoff_link_add_symbols): Likewise.
	* xsym.c (bfd_sym_read_name_table),
	(bfd_sym_print_type_information_table_entry): Likewise.
	* libbfd.h: Regenerate.

2020-02-19  Alan Modra  <amodra@gmail.com>

	* aoutx.h (slurp_reloc_table): Allocate reloc_cache after
	reading external relocs.
	* ecoff.c (ecoff_slurp_reloc_table): Likewise.
	* archive.c (_bfd_write_archive_contents): Don't twiddle bfd_error
	after bfd_bread.
	* archive64.c (_bfd_archive_64_bit_slurp_armap): Remove unnecessary
	bfd_release.
	* elf32-m32c.c (m32c_offset_for_reloc): Make shndx_buf a bfd_byte*.
	(m32c_elf_relax_section): Likewise.
	* elf32-rl78.c (rl78_offset_for_reloc): Likewise.
	(rl78_elf_relax_section): Likewise.
	* elf32-rx.c (rx_offset_for_reloc): Likewise.
	(elf32_rx_relax_section): Likewise.
	* mach-o.c (bfd_mach_o_alloc_and_read): Move earlier with better
	parameter types and use..
	(bfd_mach_o_read_dylinker, bfd_mach_o_read_dylib),
	(bfd_mach_o_read_fvmlib, bfd_mach_o_read_str): ..in these functions.
	* peicode.h (pe_bfd_object_p): Don't zero the part of opthdr
	being read from file, just the extra.
	* som.c (som_slurp_symbol_table): Allocate internal symbol buffer
	after reading external syms.  Free on failure.

2020-02-19  Alan Modra  <amodra@gmail.com>

	* coffcode.h (buy_and_read, coff_slurp_line_table),
	(coff_slurp_symbol_table, coff_slurp_reloc_table): Replace
	bfd_[z][m]alloc2 calls with _bfd_mul_overflow followed by the
	corresponding bfd_alloc call.  Adjust variables to suit.
	* coffgen.c (_bfd_coff_get_external_symbols): Likewise.
	* ecoff.c (_bfd_ecoff_slurp_symbolic_info),
	(_bfd_ecoff_slurp_symbol_table, READ): Likewise.
	* elf.c (bfd_elf_get_elf_syms, setup_group, bfd_section_from_shdr),
	(swap_out_syms, _bfd_elf_slurp_version_tables): Likewise.
	* elf32-m32c.c (m32c_elf_relax_section): Likewise.
	* elf32-rl78.c (rl78_elf_relax_section): Likewise.
	* elf32-rx.c (elf32_rx_relax_section): Likewise.
	* elf64-alpha.c (READ): Likewise.
	* elfcode.h (elf_object_p, elf_write_relocs, elf_write_shdrs_and_ehdr),
	(elf_slurp_symbol_table, elf_slurp_reloc_table),
	(bfd_from_remote_memory): Likewise.
	* elfcore.h (core_find_build_id): Likewise.
	* elfxx-mips.c (READ): Likewise.
	* mach-o.c (bfd_mach_o_mangle_sections),
	(bfd_mach_o_read_symtab_symbols, bfd_mach_o_read_thread),
	(bfd_mach_o_read_dysymtab, bfd_mach_o_flatten_sections),
	(bfd_mach_o_scan, bfd_mach_o_fat_archive_p): Likewise.
	* som.c (setup_sections, som_prep_for_fixups)
	(som_build_and_write_symbol_table, som_slurp_symbol_table),
	(som_slurp_reloc_table, som_bfd_count_ar_symbols),
	(som_bfd_fill_in_ar_symbols, som_slurp_armap),
	(som_bfd_ar_write_symbol_stuff): Likewise.
	* vms-alpha.c (vector_grow1): Likewise.
	* vms-lib.c (vms_add_index): Likewise.
	* wasm-module.c (wasm_scan_name_function_section): Likewise.
	* libbfd.c (bfd_malloc2, bfd_realloc2, bfd_zmalloc2): Delete.
	* opncls.c (bfd_alloc2, bfd_zalloc2): Delete.
	* libbfd-in.h (bfd_malloc2, bfd_realloc2, bfd_zmalloc2),
	(bfd_alloc2, bfd_zalloc2): Delete.
	(_bfd_mul_overflow): Define.
	* libbfd.h: Regenerate.

2020-02-19  Alan Modra  <amodra@gmail.com>

	* elf.c (bfd_section_from_shdr): Use bfd_zalloc rather than
	bfd_zalloc2.
	(assign_section_numbers): Likewise.
	(elf_map_symbols): Likewise, and bfd_alloc rather than bfd_alloc2.
	(_bfd_elf_map_sections_to_segments): Use bfd_malloc rather than
	bfd_malloc2, size_t amt, and unsigned tls_count.
	(rewrite_elf_program_header): Use bfd_malloc and size_t amt.
	* elflink.c (elf_create_symbuf): Use bfd_malloc.
	(elf_output_implib): Use bfd_alloc.

2020-02-19  Alan Modra  <amodra@gmail.com>

	* bfd.c (struct bfd): Move format and direction to other
	bitfields.  Add "size".
	* bfdio.c (bfd_get_size): Cache size when not writing file.
	* opncls.c (bfd_get_debug_link_info_1): Allow for bfd_get_size
	returning zero, ie. unknown.
	(bfd_get_alt_debug_link_info): Likewise.
	* bfd-in2.h: Regenerate.

2020-02-19  Alan Modra  <amodra@gmail.com>

	* coffgen.c (_bfd_coff_get_external_symbols): Don't call
	bfd_get_file_size twice.
	(_bfd_coff_read_string_table): Allow for bfd_get_file_size
	zero, ie. unknown, return.
	* elf-attrs.c (_bfd_elf_parse_attributes): Likewise.
	* elfcode.h (elf_swap_shdr_in): Likewise.
	(elf_object_p): Don't call bfd_get_file_size twice and correct
	file size check.

2020-02-19  Alan Modra  <amodra@gmail.com>

	* mach-o.c (bfd_mach_o_flatten_sections): Return a bfd_boolean,
	FALSE if memory alloc fails.  Adjust calls.
	* som.c (som_prep_for_fixups): Likewise.
	* vms-alpha.c (alpha_vms_add_fixup_lp, alpha_vms_add_fixup_ca),
	(alpha_vms_add_fixup_qr, alpha_vms_add_fixup_lr),
	(alpha_vms_add_lw_reloc, alpha_vms_add_qw_reloc): Likewise.
	* som.c (som_build_and_write_symbol_table): Return via error_return
	on seek failure.
	* vms-alpha.c (VEC_APPEND): Adjust for vector_grow1 changes.
	(VEC_APPEND_EL): Delete.
	(vector_grow1): Return pointer to element.  Catch overflow.
	Return NULL on memory allocation failure.
	(alpha_vms_add_fixup_lp): Replace VEC_APPEND_EL with VEC_APPEND.
	(alpha_vms_add_fixup_ca): Likewise.
	(alpha_vms_link_add_object_symbols): Check VEC_APPEND result
	before using.
	* elf.c (bfd_section_from_shdr): Check bfd_zalloc2 result.

2020-02-19  Alan Modra  <amodra@gmail.com>

	* aix386-core.c (aix386_core_file_p): Use size_t for "amt".
	* aout-target.h (object_p): Likewise.
	* aout-tic30.c (tic30_aout_object_p): Likewise.
	* aoutx.h (some_aout_object_p, mkobject, make_empty_symbol),
	(emit_stringtab, write_syms, link_hash_table_create),
	(aout_link_write_other_symbol): Likewise.
	* archive.c (_bfd_generic_mkarchive, bfd_generic_archive_p),
	(bfd_ar_hdr_from_filesystem, _bfd_write_archive_contents),
	(_bfd_compute_and_write_armap): Likewise.
	* archures.c (bfd_arch_list): Likewise.
	* bfd.c (bfd_record_phdr): Likewise.
	* binary.c (binary_canonicalize_symtab): Likewise.
	* cisco-core.c (cisco_core_file_validate): Likewise.
	* coff-arm.c (coff_arm_link_hash_table_create, find_thumb_glue),
	(find_arm_glue, record_arm_to_thumb_glue),
	(record_thumb_to_arm_glue): Likewise.
	* coff-ppc.c (ppc_coff_link_hash_table_create, record_toc),
	(ppc_allocate_toc_section): Likewise.
	* coff-rs6000.c (_bfd_xcoff_mkobject, _bfd_xcoff_archive_p): Likewise.
	* coff-sh.c (sh_relax_section): Likewise.
	* coff64-rs6000.c (xcoff64_archive_p): Likewise.
	* coffcode.h (handle_COMDAT, coff_new_section_hook),
	(coff_set_alignment_hook, coff_mkobject),
	(coff_compute_section_file_positions): Likewise.
	* coffgen.c (coff_make_empty_symbol, coff_bfd_make_debug_symbol),
	(coff_find_nearest_line_with_names),
	( bfd_coff_set_symbol_class): Likewise.
	* cofflink.c (_bfd_coff_link_hash_table_create),
	(_bfd_coff_link_input_bfd): Likewise.
	* dwarf1.c (alloc_dwarf1_unit, alloc_dwarf1_func): Likewise.
	* dwarf2.c (read_abbrevs, read_attribute_value, add_line_info),
	(build_line_info_table, sort_line_sequences),
	(line_info_add_include_dir, line_info_add_file_name),
	(decode_line_info, scan_unit_for_symbols, parse_comp_unit),
	(place_sections, _bfd_dwarf2_slurp_debug_info): Likewise.
	* ecoff.c (_bfd_ecoff_mkobject, _bfd_ecoff_make_empty_symbol),
	(_bfd_ecoff_find_nearest_line),
	(_bfd_ecoff_bfd_link_hash_table_create): Likewise.
	* ecofflink.c (bfd_ecoff_debug_init): Likewise.
	* elf-hppa.h (_bfd_elf_hppa_gen_reloc_type): Likewise.
	* elf-m10300.c (mn10300_elf_relax_section),
	(elf32_mn10300_link_hash_table_create): Likewise.
	* elf-strtab.c (_bfd_elf_strtab_init): Likewise.
	* elf.c (make_mapping, copy_elf_program_header): Likewise.
	* elf32-arm.c (elf32_arm_link_hash_table_create),
	(elf32_arm_setup_section_lists, elf32_arm_check_relocs),
	(elf32_arm_new_section_hook): Likewise.
	* elf32-avr.c (elf_avr_new_section_hook),
	(elf32_avr_link_hash_table_create, get_local_syms),
	(elf32_avr_setup_section_lists): Likewise.
	* elf32-bfin.c (bfinfdpic_elf_link_hash_table_create),
	(bfin_link_hash_table_create): Likewise.
	* elf32-cr16.c (elf32_cr16_link_hash_table_create): Likewise.
	* elf32-cris.c (elf_cris_link_hash_table_create): Likewise.
	* elf32-csky.c (csky_elf_link_hash_table_create),
	(csky_elf_check_relocs, elf32_csky_setup_section_lists): Likewise.
	* elf32-frv.c (frvfdpic_elf_link_hash_table_create): Likewise.
	* elf32-hppa.c (elf32_hppa_link_hash_table_create),
	(elf32_hppa_setup_section_lists, get_local_syms): Likewise.
	* elf32-i386.c (elf_i386_check_relocs): Likewise.
	* elf32-lm32.c (lm32_elf_link_hash_table_create): Likewise.
	* elf32-m32r.c (m32r_elf_link_hash_table_create),
	(m32r_elf_check_relocs): Likewise.
	* elf32-m68hc1x.c (m68hc11_elf_hash_table_create),
	(elf32_m68hc11_setup_section_lists),
	(elf32_m68hc11_size_stubs): Likewise.
	* elf32-m68k.c (elf_m68k_link_hash_table_create): Likewise.
	* elf32-metag.c (elf_metag_link_hash_table_create),
	(elf_metag_setup_section_lists): Likewise.
	* elf32-microblaze.c (microblaze_elf_link_hash_table_create),
	(microblaze_elf_check_relocs): Likewise.
	* elf32-nds32.c (nds32_elf_link_hash_table_create),
	(nds32_elf_check_relocs): Likewise.
	* elf32-nios2.c (nios2_elf32_setup_section_lists),
	(get_local_syms, nios2_elf32_check_relocs),
	(nios2_elf32_link_hash_table_create): Likewise.
	* elf32-or1k.c (or1k_elf_link_hash_table_create),
	(or1k_elf_check_relocs): Likewise.
	* elf32-ppc.c (ppc_elf_modify_segment_map, update_plt_info): Likewise.
	* elf32-pru.c (pru_elf32_link_hash_table_create): Likewise.
	* elf32-s390.c (elf_s390_link_hash_table_create),
	(elf_s390_check_relocs): Likewise.
	* elf32-score.c (score_elf_create_got_section),
	(s3_elf32_score_new_section_hook),
	(elf32_score_link_hash_table_create): Likewise.
	* elf32-score7.c (score_elf_create_got_section),
	(s7_elf32_score_new_section_hook): Likewise.
	* elf32-sh.c (sh_elf_link_hash_table_create),
	(sh_elf_check_relocs): Likewise.
	* elf32-tic6x.c (elf32_tic6x_link_hash_table_create),
	(elf32_tic6x_new_section_hook, elf32_tic6x_check_relocs): Likewise.
	* elf32-tilepro.c (tilepro_elf_link_hash_table_create),
	(tilepro_elf_check_relocs): Likewise.
	* elf32-v850.c (remember_hi16s_reloc): Likewise.
	* elf32-vax.c (elf_vax_link_hash_table_create): Likewise.
	* elf32-xtensa.c (elf_xtensa_link_hash_table_create),
	(elf_xtensa_new_section_hook): Likewise.
	* elf64-alpha.c (elf64_alpha_bfd_link_hash_table_create),
	(get_got_entry, elf64_alpha_check_relocs): Likewise.
	* elf64-hppa.c (elf64_hppa_hash_table_create): Likewise.
	* elf64-ia64-vms.c (elf64_ia64_object_p): Likewise.
	* elf64-mmix.c (mmix_elf_new_section_hook): Likewise.
	* elf64-ppc.c (ppc64_elf_new_section_hook),
	(ppc64_elf_link_hash_table_create, update_local_sym_info),
	(update_plt_info, ppc64_elf_check_relocs): Likewise.
	* elf64-s390.c (elf_s390_link_hash_table_create),
	(elf_s390_check_relocs): Likewise.
	* elf64-x86-64.c (elf_x86_64_check_relocs): Likewise.
	* elflink.c (bfd_elf_link_record_local_dynamic_symbol),
	(_bfd_elf_link_find_version_dependencies, elf_link_add_object_symbols),
	(elf_link_add_archive_symbols, compute_bucket_count),
	(bfd_elf_size_dynsym_hash_dynstr, _bfd_elf_link_hash_table_create),
	(bfd_elf_get_bfd_needed_list, elf_link_swap_symbols_out),
	(bfd_elf_final_link): Likewise.
	* elfnn-aarch64.c (elfNN_aarch64_link_hash_table_create),
	(elfNN_aarch64_setup_section_lists, elfNN_aarch64_check_relocs),
	(elfNN_aarch64_new_section_hook): Likewise.
	* elfnn-ia64.c (elfNN_ia64_object_p): Likewise.
	* elfnn-riscv.c (riscv_elf_link_hash_table_create),
	(riscv_elf_check_relocs): Likewise.
	* elfxx-mips.c (_bfd_mips_elf_new_section_hook),
	(_bfd_mips_elf_add_symbol_hook, _bfd_mips_elf_check_relocs),
	(_bfd_mips_elf_modify_segment_map, _bfd_mips_elf_set_section_contents),
	(_bfd_mips_elf_link_hash_table_create): Likewise.
	* elfxx-sparc.c (_bfd_sparc_elf_link_hash_table_create),
	(_bfd_sparc_elf_check_relocs),
	(_bfd_sparc_elf_new_section_hook): Likewise.
	* elfxx-tilegx.c (tilegx_elf_link_hash_table_create),
	(tilegx_elf_check_relocs): Likewise.
	* elfxx-x86.c (_bfd_x86_elf_link_hash_table_create): Likewise.
	* format.c (bfd_check_format_matches): Likewise.
	* hash.c (_bfd_stringtab_init): Likewise.
	* ihex.c (ihex_scan): Likewise.
	* irix-core.c (irix_core_core_file_p): Likewise.
	* linker.c (bfd_wrapped_link_hash_lookup),
	(_bfd_generic_link_hash_table_create),
	(_bfd_generic_reloc_link_order): Likewise.
	* lynx-core.c (lynx_core_file_p): Likewise.
	* netbsd-core.c (netbsd_core_file_p): Likewise.
	* osf-core.c (osf_core_core_file_p): Likewise.
	* pdp11.c (some_aout_object_p, mkobject, make_empty_symbol),
	(link_hash_table_create, aout_link_write_other_symbol): Likewise.
	* peXXigen.c (_bfd_XX_bfd_copy_private_section_data): Likewise.
	* peicode.h (pe_mkobject): Likewise.
	* ppcboot.c (ppcboot_mkobject, ppcboot_canonicalize_symtab): Likewise.
	* ptrace-core.c (ptrace_unix_core_file_p): Likewise.
	* sco5-core.c (read_uarea): Likewise.
	* som.c (hppa_som_gen_reloc_type, som_object_p, som_prep_headers),
	(som_write_fixups, som_write_space_strings, som_write_symbol_strings),
	(som_finish_writing, som_canonicalize_symtab, som_new_section_hook),
	(som_bfd_copy_private_section_data, bfd_som_set_section_attributes),
	(bfd_som_attach_aux_hdr, som_write_armap): Likewise.
	* srec.c (srec_scan): Likewise.
	* syms.c (_bfd_generic_make_empty_symbol): Likewise.
	* targets.c (bfd_target_list): Likewise.
	* tekhex.c (first_phase, tekhex_sizeof_headers): Likewise.
	* trad-core.c (trad_unix_core_file_p): Likewise.
	* vms-alpha.c (vms_initialize, alpha_vms_bfd_link_hash_table_create),
	(vms_new_section_hook): Likewise.
	* wasm-module.c (wasm_make_empty_symbol): Likewise.
	* xcofflink.c (xcoff_get_section_contents),
	(_bfd_xcoff_bfd_link_hash_table_create, xcoff_set_import_path),
	(xcoff_find_function, bfd_xcoff_link_record_set, xcoff_build_ldsym),
	(bfd_xcoff_size_dynamic_sections, xcoff_link_input_bfd): Likewise.

2020-02-19  Alan Modra  <amodra@gmail.com>

	* elfxx-riscv.c (riscv_multi_letter_ext_valid_p): Don't use C99.

2020-02-13  H.J. Lu  <hongjiu.lu@intel.com>

	* plugin.c (try_load_plugin): Make plugin_list_iter an argument
	and use it if it isn't NULL.  Remove has_plugin_p argument.  Add
	a build_list_p argument.  Don't search plugin_list.  Short circuit
	when building the plugin list.
	(has_plugin): Renamed to has_plugin_list.
	(bfd_plugin_set_plugin): Don't set has_plugin.
	(bfd_plugin_specified_p): Check plugin_list instead.
	(build_plugin_list): New function.
	(load_plugin): Call build_plugin_list and use plugin_list.

2020-02-11  H.J. Lu  <hongjiu.lu@intel.com>

	PR binutils/25355
	* plugin.c (try_claim): Always clean up for LTO wrapper.
	(try_load_plugin): Treat each object as independent.  Create a
	copy for plugin name.

2020-02-11  Nick Clifton  <nickc@redhat.com>

	* elf32-msp430.c (msp430_final_link_relocate): Always use longs
	for addresses in print statements.
	(msp430_elf_relax_delete_bytes): Likewise.
	(msp430_elf_relax_add_words): Likewise.
	(msp430_elf_relax_section): Likewise.

2020-02-11  H.J. Lu  <hongjiu.lu@intel.com>

	* plugin.c (add_symbols): Clear plugin_data memory.

2020-02-10  H.J. Lu  <hongjiu.lu@intel.com>

	PR binutils/25355
	* configure.ac (HAVE_EXECUTABLE_SUFFIX): New AC_DEFINE.
	(EXECUTABLE_SUFFIX): Likewise.
	* config.in: Regenerated.
	* configure: Likewise.
	* plugin.c (bfd_plugin_close_and_cleanup): Removed.
	(plugin_list_entry): Add all_symbols_read, cleanup_handler,
	gcc, lto_wrapper, resolution_file, resolution_option, gcc_env,
	real_bfd, real_nsyms, real_syms, lto_nsyms and lto_syms.
	(get_lto_wrapper): New.
	(setup_lto_wrapper_env): Likewise.
	(current_plugin): Likewise.
	(register_all_symbols_read): Likewise.
	(register_cleanup): Likewise.
	(get_symbols): Likewise.
	(add_input_file): Likewise.
	(bfd_plugin_close_and_cleanup): Likewise.
	(claim_file): Removed.
	(register_claim_file): Set current_plugin->claim_file.
	(add_symbols): Make a copy of LTO symbols.  Set lto_nsyms and
	lto_syms in current_plugin.
	(try_claim): Use current_plugin->claim_file.  Call LTO plugin
	all_symbols_read handler.  Copy real symbols to plugin_data.
	Call LTO plugin cleanup handler.  Clean up for LTO wrapper.
	(try_load_plugin): Don't reuse the previous plugin for LTO
	wrapper.  Set up GCC LTO wrapper if possible.  Don't set
	plugin_list_iter->claim_file.
	(bfd_plugin_canonicalize_symtab): Use real LTO symbols if
	possible.
	* plugin.h (plugin_data_struct): Add real_bfd, real_nsyms and
	real_syms.

2020-02-10  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

	* elf32-msp430.c (msp430_elf_relax_section): Before relaxing a branch,
	check if previous instruction matches a conditional jump inserted
	earlier. Invert conditional jump and delete branch in this case.

2020-02-10  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

	* elf32-msp430.c (msp430_elf_relax_add_two_words): Rename to
	msp430_elf_relax_add_words. Support insertion of either one or two
	words.
	(msp430_elf_relax_section): Catch opcode of 0x3c00 when relocation
	needs to be grown. Handle insertion of branch instruction to replace
	jump.

2020-02-10  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

	* elf32-msp430.c (msp430_final_link_relocate): Add printf statements for
	debugging relocations.
	(msp430_elf_relax_delete_bytes): Likewise.
	(msp430_elf_relax_add_two_words): Likewise.
	(msp430_elf_relax_section): Likewise.

2020-02-10  Alan Modra  <amodra@gmail.com>

	* archures.c: Wrap overlong z80 comments.
	* bfd-in2.h: Regenerate.

2020-02-07  Sergey Belyashov  <sergey.belyashov@gmail.com>

	PR 25469
	* archures.c: Add GBZ80 and Z80N machine values.
	* reloc.c: Add BFD_RELOC_Z80_16_BE.
	* coff-z80.c: Add support for new reloc.
	* coffcode.h: Add support for new machine values.
	* cpu-z80.c: Add support for new machine names.
	* elf32-z80.c: Add support for new reloc.
	* bfd-in2.h: Regenerate.
	* libbfd.h: Regenerate.

2020-02-07  Nick Clifton  <nickc@redhat.com>

	PR 23932
	* elf.c (rewrite_elf_program_header): Do not complain if no
	sections are mapped to a segment.

2020-02-06  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/25490
	* elflink.c (_bfd_elf_gc_mark_extra_sections): Issue an error
	for garbage collection on __patchable_function_entries section
	without linked-to section.

2020-02-06  H.J. Lu  <hongjiu.lu@intel.com>

	PR gas/25381
	* bfd-in2.h: Regenerated.
	* elflink.c (_bfd_elf_gc_mark_extra_sections): Call mark_hook
	on section if gc_mark of any of its linked-to sections is set
	and don't set gc_mark again.
	* section.c (asection): Add linked_to_symbol_name to map_head
	union.

2020-02-06  Maciej W. Rozycki  <macro@wdc.com>

	* elf32-v850.c (v850_elf_relax_section): Fix the index used for
	reporting an unrecognized instruction with R_V850_LONGJUMP.

2020-02-05  Alan Modra  <amodra@gmail.com>

	* elf64-ppc.c (ppc_stub_plt_branch): Match comment with reality.

2020-02-04  Alan Modra  <amodra@gmail.com>

	* elf32-ppc.c (ppc_elf_relocate_section): After applying
	R_PPC_VLE_ADDR20, goto copy_reloc.

2020-02-02  H.J. Lu  <hongjiu.lu@intel.com>

	* bfd-in2.h: Regenerated.
	* section.c (SEC_ASSEMBLER_SECTION_ID): Fix a typo in comments.

2020-02-02  H.J. Lu  <hongjiu.lu@intel.com>

	PR gas/25380
	* bfd-in2.h: Regenerated.
	* ecoff.c (bfd_debug_section): Add section_id.
	* section.c (bfd_section): Add section_id.
	(SEC_ASSEMBLER_SECTION_ID): New.
	(BFD_FAKE_SECTION): Add section_id.

2020-02-01  Nick Clifton  <nickc@redhat.com>

	* config.bfd: Move the c30-aout and tic30-aout targets onto the
	obsolete list.

2020-01-31  Sandra Loosemore  <sandra@codesourcery.com>

	* elf-eh-frame.c (_bfd_elf_write_section_eh_frame): DW_EH_PE_datarel
	encodings are relative to the GOT on nios2, too.

2020-01-31  Alan Modra  <amodra@gmail.com>

	* Makefile.am (elf32-target.h, elf64-target.h): Don't use a temp
	file.  Use $< and $@ in rules.
	(elf32-aarch64.c, elf64-aarch64.c): Likewise.
	(elf32-ia64.c, elf64-ia64.c): Likewise.
	(elf32-riscv.c, elf64-riscv.c): Likewise.
	(peigen.c, pepigen.c, pex64igen.c): Likewise.
	(elf32-aarch64.c, elf64-aarch64.c): Don't emit $srcdir on #line.
	(elf32-riscv.c, elf64-riscv.c): Likewise, and use $(SED).
	(elf32-ia64.c, elf64-ia64.c): Do emit #line.
	(peigen.c, pepigen.c, pex64igen.c): Likewise.
	* Makefile.in: Regenerate.

2020-01-31  Alan Modra  <amodra@gmail.com>

	PR 4110
	* elf.c (setup_group): Don't clear entire section contents,
	just the padding after group flags.  Release alloc'd memory
	after a seek or read failure.

2020-01-16  Jon Turney  <jon.turney@dronecode.org.uk>

	* peXXigen.c (pe_is_repro): New function.
	(_bfd_XX_print_private_bfd_data_common): Note timestamp is
	actually a build hash if PE_IMAGE_DEBUG_TYPE_REPRO is present.

2020-01-16  Jon Turney  <jon.turney@dronecode.org.uk>

	* peXXigen.c (debug_type_names): Add names for new debug data type
	values.

2020-01-16  Jon Turney  <jon.turney@dronecode.org.uk>

	* peXXigen.c (pe_print_debugdata): Fix the iteration variable for
	inner loop.  Fix a memory leak.

2020-01-30  Alan Modra  <amodra@gmail.com>

	* coffgen.c (coff_real_object_p): Don't clear obj_coff_keep_syms
	or obj_coff_keep_strings here.
	(coff_get_normalized_symtab): Free external syms directly.
	* xcofflink.c (xcoff_link_input_bfd): Restore obj_coff_keep_syms
	on error exit path.

2020-01-27  Jim Wilson  <jimw@sifive.com>

	* cpu-riscv.c (riscv_scan): New.
	(N): Change bfd_default_scan to riscv_scan.

2020-01-27  Andreas Schwab  <schwab@suse.de>

	* Makefile.am (ALL_MACHINES): Remove cpu-plugin.lo.
	(ALL_MACHINES_CFILES): Remove cpu-plugin.c.
	* Makefile.in: Regenerate.
	* cpu-plugin.c: Remove.
	* archures.c (enum bfd_architecture): Remove bfd_arch_plugin.
	(bfd_plugin_arch): Remove declaration.
	* bfd-in2.h: Regenerate.
	* po/SRC-POTFILES.in: Regenerate.

2020-01-27  H.J. Lu  <hongjiu.lu@intel.com>
	    Alan Modra  <amodra@gmail.com>

	PR ld/25458
	* elflink.c (_bfd_elf_gc_mark_rsec): Mark all weak aliases.

2020-01-24  Jim Wilson  <jimw@sifive.com>

	* elfxx-riscv.c (riscv_get_prefix_class): Format s case like others.
	(riscv_parse_prefixed_ext): Fix s extension comment and reword to
	avoid over long line.

2020-01-24  Nick Clifton  <nickc@redhat.com>

	PR 25447
	* coffgen.c (_bfd_coff_close_and_cleanup): Do not clear the keep
	syms and keep strings flags as these may have been set in order to
	prevent a bogus call to free.

2020-01-23  Nick Clifton  <nickc@redhat.com>

	* po/fr.po: Updated French translation.

2020-01-23  Alan Modra  <amodra@gmail.com>

	PR 25444
	* elf.c (assign_file_positions_for_load_sections): Avoid divide
	by zero when p_align is zero.

2020-01-22  Maxim Blinov  <maxim.blinov@embecosm.com>

	* bfd/elfnn-riscv.c (riscv_skip_prefix): New.
	(riscv_prefix_cmp): Likewise.
	(riscv_non_std_ext_p): Deleted.
	(riscv_std_sv_ext_p): Likewise.
	(riscv_non_std_sv_ext_p): Likewise.
	(riscv_merge_non_std_and_sv_ext): Rename to...
	(riscv_merge_multi_letter_ext): and modified to use riscv_prefix_cmp.
	(riscv_merge_arch_attr_info): Replace 3 calls to
	riscv_merge_non_std_and_sv_ext with single call to
	riscv_merge_multi_letter_ext.
	* bfd/elfxx-riscv.c (riscv_parse_std_ext): Break if we
	encounter a 'z' prefix.
	(riscv_get_prefix_class): New function, return prefix class based
	on first few characters of input string.
	(riscv_parse_config): New structure to factor out minor differences
	in extension class parsing behaviour.
	(riscv_parse_sv_or_non_std_ext): Rename to...
	(riscv_parse_prefixed_ext): and parameterise with
	riscv_parse_config.
	(riscv_std_z_ext_strtab, riscv_std_s_ext_strtab): New.
	(riscv_multi_letter_ext_valid_p): New.
	(riscv_ext_x_valid_p, riscv_ext_z_valid_p, riscv_ext_s_valid_p): New.
	(riscv_parse_subset): Delegate all non-single-letter parsing work
	to riscv_parse_prefixed_ext.
	* bfd/elfxx-riscv.h (riscv_isa_ext_class): New type.
	(riscv_get_prefix_class): Declare.

2020-01-22  Alan Modra  <amodra@gmail.com>

	* elf64-ppc.c (struct ppc_link_hash_table): Add tga_group.
	(ppc64_elf_archive_symbol_lookup): Extract __tls_get_addr_opt for
	__tls_get_addr_desc.
	(ppc64_elf_size_stubs): Add section for linker generated
	__tls_get_addr_desc wrapper function.  Loop at least once if
	generating this function.
	(emit_tga_desc, emit_tga_desc_eh_frame): New functions.
	(ppc64_elf_build_stubs): Generate __tls_get_addr_desc.

2020-01-22  Alan Modra  <amodra@gmail.com>

	* elf64-ppc.h (struct ppc64_elf_params): Add no_tls_get_addr_regsave.
	* elf64-ppc.c (struct ppc_link_hash_table): Add tga_desc and
	tga_desc_fd.
	(is_tls_get_addr): Match tga_desc and tga_desc_df too.
	(STDU_R1_0R1, ADDI_R1_R1): Define.
	(tls_get_addr_prologue, tls_get_addr_epilogue): New functions.
	(ppc64_elf_tls_setup): Set up tga_desc and tga_desc_fd.  Indirect
	tga_desc_fd to opt_fd, and tga_desc to opt.  Set
	no_tls_get_addr_regsave.
	(branch_reloc_hash_match): Add hash3 and hash4.
	(ppc64_elf_tls_optimize): Handle tga_desc_fd and tga_desc too.
	(ppc64_elf_size_dynamic_sections): Likewise.
	(ppc64_elf_relocate_section): Likewise.
	(plt_stub_size, build_plt_stub): Likewise.  Size regsave
	__tls_get_addr stub.
	(build_tls_get_addr_stub): Build regsave __tls_get_addr stub and
	eh_frame.
	(ppc_size_one_stub): Handle tga_desc_fd and tga_desc too.  Size
	eh_frame for regsave __tls_get_addr.

2020-01-22  Alan Modra  <amodra@gmail.com>

	* elf64-ppc.c (ppc64_elf_size_stubs): Correct condition under
	which __tls_get_addr calls will be eliminated.

2020-01-20  Nick Clifton  <nickc@redhat.com>

	* po/pt.po: Updates Portuguese translation.
	* po/ru.po: Updated Russian translation.
	* po/uk.po: Updated Ukranian translation.

2020-01-20  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/25416
	* elf64-x86-64.c (elf_x86_64_check_tls_transition): Support
	"rex leal x@tlsdesc(%rip), %reg" and "call *x@tlsdesc(%eax)" in
	X32 mode.
	(elf_x86_64_relocate_section): In x32 mode, for GDesc -> LE
	transition, relax "rex leal x@tlsdesc(%rip), %reg" to
	"rex movl $x@tpoff, %reg", for GDesc -> IE transition, relax
	"rex leal x@tlsdesc(%rip), %reg" to
	"rex movl x@gottpoff(%rip), %eax".  For both transitions, relax
	"call *(%eax)" to "nopl (%rax)".

2020-01-20  Alan Modra  <amodra@gmail.com>

	* elf64-ppc.c (LD_R11_0R3, CMPDI_R11_0, STD_R11_0R1, LD_R11_0R1),
	(MTLR_R11): Don't define.
	(LD_R0_0R3, CMPDI_R0_0): Define.
	(build_tls_get_addr_stub): Don't use r11 in stub.

2020-01-20  Alan Modra  <amodra@gmail.com>

	* elf64-ppc.c (ppc_elf_hash_entry): New function, use throughout file.
	(defined_sym_val, is_tls_get_addr): Likewise.

2020-01-18  Nick Clifton  <nickc@redhat.com>

	* version.m4 (BFD_VERSION): Set to 2.34.50.
	* configure: Regenerate.
	* po/bfd.pot: Regenerate.

2020-01-18  Nick Clifton  <nickc@redhat.com>

	Binutils 2.34 branch created.

2020-01-17  Christian Biesinger  <cbiesinger@google.com>

	* coff-arm.c: Fix spelling error (seperate).
	* elfxx-riscv.c (riscv_parse_sv_or_non_std_ext): Fix spelling
	error (seperate).
	* sysdep.h (strnlen): Fix spelling error (seperate).

2020-01-15  Lars Brinkhoff  <lars@nocrew.org>

	PR 20694
	* pdp11.c (TARGET_PAGE_SIZE): Set to 8192.

2020-01-15  Alan Modra  <amodra@gmail.com>

	PR 25384
	* elf64-ppc.c (ELIMINATE_COPY_RELOCS): Update comment.
	(ppc64_elf_adjust_dynamic_symbol): Don't allow .dynbss copies
	of function symbols unless dot symbols are present.  Do warn
	whenever one is created, regardles of whether a PLT entry is
	also emitted for the function symbol.

2020-01-14  Alan Modra  <amodra@gmail.com>

	* som.c (som_bfd_count_ar_symbols): Error when file position
	of symbols on chains is not strictly increasing.

2020-01-14  Alan Modra  <amodra@gmail.com>

	* vms.h (VMS_DEBUG): Define as 0.
	* vms-alpha.c (image_write): Move debug output after bounds check.
	Tidy bounds check.
	(_bfd_vms_slurp_eihd): Warning fix.
	(_bfd_vms_slurp_etir): Init variables to avoid bogus warnings.

2020-01-13  Alan Modra  <amodra@gmail.com>

	* vms-alpha.c (_bfd_vms_slurp_egsd): Ensure minimum size even
	for "ignored" records.

2020-01-13  Alan Modra  <amodra@gmail.com>

	* wasm-module.c (wasm_scan_name_function_section): Formatting.
	Delete asect name check.  Move asect NULL check to wasm_object_p.
	Correct bounds check of sizes against end.  Replace uses of
	bfd_zalloc with bfd_alloc, zeroing only necessary bytes.  Use
	just one bfd_release.
	(wasm_scan): Don't use malloc/strdup for section names,
	bfd_alloc instead.  Simplify code prefixing section name.
	Formatting.  Don't attempt to free memory here..
	(wasm_object_p): ..do so here.

2020-01-10  Szabolcs Nagy  <szabolcs.nagy@arm.com>

	PR ld/22269
	* elf32-arm.c (elf32_arm_final_link_relocate): Use
	UNDEFWEAK_NO_DYNAMIC_RELOC.
	(allocate_dynrelocs_for_symbol): Likewise.

2020-01-10  Tamar Christina  <tamar.christina@arm.com>

	PR 25210
	* elfnn-aarch64.c (_bfd_aarch64_create_stub_section): Remove elfclass.

2020-01-10  Alan Modra  <amodra@gmail.com>

	* coff-alpha.c (alpha_ecoff_object_p): Calculate size in bfd_size_type.

2020-01-09  Nick Clifton  <nickc@redhat.com>

	PR 25221
	* bfd.c (bfd_convert_section_contents): Check for a compress
	header size that is larger than the actual section size.

2020-01-08  Alan Modra  <amodra@gmail.com>

	PR 25351
	* elflink.c (bfd_elf_final_link): Call _bfd_fix_excluded_sec_syms
	after removing sections.

2020-01-06  Jim Wilson  <jimw@sifive.com>

	PR 25205
	* elfnn-riscv.c (riscv_elf_relocate_section) <R_RISCV_CALL>: Add
	check for !bfd_link_pic (info).
	<R_RISCV_CALL_PLT>: Move next to R_RISCV_CALL.
	<R_RISCV_JAL>: Add comment.
	(_bfd_riscv_relax_section): For plt.offset check, add check for
	bfd_link_pic (info).  Add comment.

2020-01-06  Alan Modra  <amodra@gmail.com>

	* format.c (bfd_check_format_matches): Ignore bfd_error on target
	match failures.  Don't init to bfd_error_wrong_format before
	calling _bfd_check_format.

2020-01-06  Alan Modra  <amodra@gmail.com>

	* vms-alpha.c (_bfd_vms_push, _bfd_vms_pop): Return pass/fail
	status rather than exiting on stack overflow or underflow.
	(_bfd_vms_slurp_etir): Adjust to suit.

2020-01-06  Alan Modra  <amodra@gmail.com>

	* som.c (som_bfd_fill_in_ar_symbols): Bounds check som_dict index.

2020-01-06  Alan Modra  <amodra@gmail.com>

	* mach-o.c (bfd_mach_o_read_dylinker): Don't read past end of
	command.  Check name offset is within command.
	(bfd_mach_o_read_dylib, bfd_mach_o_read_prebound_dylib),
	(bfd_mach_o_read_prebind_cksum, bfd_mach_o_read_twolevel_hints),
	(bfd_mach_o_read_fvmlib, bfd_mach_o_read_dysymtab),
	(bfd_mach_o_read_symtab, bfd_mach_o_read_uuid),
	(bfd_mach_o_read_linkedit, bfd_mach_o_read_str),
	(bfd_mach_o_read_dyld_info, bfd_mach_o_read_version_min),
	(bfd_mach_o_read_encryption_info, bfd_mach_o_read_source_version),
	(bfd_mach_o_read_encryption_info_64, bfd_mach_o_read_main),
	(bfd_mach_o_read_note, bfd_mach_o_read_build_version),
	(bfd_mach_o_read_segment): Similarly.
	(bfd_mach_o_read_thread): Properly bound check thread struct.
	Don't repeat checks on second loop.
	(bfd_mach_o_read_command): Fail on invalid command length.

2020-01-04  Alan Modra  <amodra@gmail.com>

	* format.c (bfd_check_format_matches): Add preserve_match.
	Save initial bfd state in "preserve", matched bfd state in
	"preserve_match".  Save just the first match.  Release
	bfd_alloc memory.  Restore and finish preserved state as
	appropriate on all function exit paths.

2020-01-04  Alan Modra  <amodra@gmail.com>

	* mmo.c (mmo_mkobject): Allocate tdata with bfd_zalloc.

2020-01-04  Alan Modra  <amodra@gmail.com>

	* coffgen.c (coff_real_object_p): Free malloc'd memory on target
	match too.

2020-01-03  Nick Clifton  <nickc@redhat.com>

	PR 25307
	(bfd_pef_parse_function_stubs): Correct the test that ensures that
	there is enough data remaining in the code buffer before
	attempting to read a function stub.

2020-01-03  Nick Clifton  <nickc@redhat.com>

	PR 25308
	* elf-properties.c (_bfd_elf_convert_gnu_properties): Check the
	return value from bfd_malloc.
	* elf32-arm.c (bfd_elf32_arm_vfp11_fix_veneer_locations): Likewise.
	(bfd_elf32_arm_stm32l4xx_fix_veneer_locations): Likewise.
	(elf32_arm_filter_cmse_symbols): Likewise.
	(elf32_arm_write_section): Likewise.
	* mach-o.c (bfd_mach_o_core_fetch_environment): Likewise.
	(bfd_mach_o_follow_dsym): Likewise.
	* pef.c (bfd_pef_print_loader_section): Likewise.
	(bfd_pef_scan_start_address): Likewise.
	(bfd_pef_parse_function_stubs): Likewise.
	(bfd_pef_parse_symbols): Likewise.

2020-01-03  Sergei Trofimovich  <siarheit@google.com>

        * elfnn-ia64.c (elfNN_ia64_merge_private_bfd_data): don't fail
        on binary inputs ld/PR25316.
        (is_ia64_elf): new helper to filter on ia64 objects.

2020-01-03  Jan Beulich  <jbeulich@suse.com>

	* mach-o.c (cpusubtype, bfd_mach_o_header_p): Insert underscore
	in parameter names.
	(bfd_mach_o_scan): Insert underscore in two variable names.

2020-01-02  Sergey Belyashov  <sergey.belyashov@gmail.com>

	* Makefile.am: Add z80-elf target support.
	* configure.ac: Likewise.
	* targets.c: Likewise.
	* Makefile.in: Regenerate.
	* configure: Regenerate.
	* config.bfd: Add z80-elf target support and new arches: ez80 and
	z180.
	* elf32-z80.c: New file.
	* archures.c: Add new z80 architectures: eZ80 and Z180.
	* coffcode.h: Likewise.
	* cpu-z80.c: Likewise.
	* coff-z80.c: Add new relocations for Z80 target and local label
	check.
	* reloc.c: Add new relocs.
	* bfd-in2.h: Regenerate.
	* libbfd.h: Regenerate.

2020-01-02  Tamar Christina  <tamar.christina@arm.com>

	PR 25210
	PR 24753
	* elfnn-aarch64.c (_bfd_aarch64_create_stub_section): Set ELF class.

2020-01-01  Alan Modra  <amodra@gmail.com>

	Update year range in copyright notice of all files.

For older changes see ChangeLog-2019
\f
Copyright (C) 2020 Free Software Foundation, Inc.

Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.

Local Variables:
mode: change-log
left-margin: 8
fill-column: 74
version-control: never
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