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Re: Commit: Tidy up readelf's use of boolean values


On Fri, Feb 24, 2017 at 6:47 AM, Nick Clifton <nickc@redhat.com> wrote:
> Hi Guys,
>
>   I have been meaning to tidy up readelf's use of boolean values for a
>   long time now, and I finally gotten the time to do so.  The attached
>   patch basically does two things:
>
>    * Replaces an "int" type with "bfd_boolean" when the variable
>      is being used as a boolean value.
>
>    * Inverts the logic of some of the higher level functions so
>      that now all boolean functions return TRUE upon success and
>      FALSE upon failure.
>
>   Tested, with no regressions, on lots of different targets.
>
> Cheers
>   Nick
>
> binutils/ChangeLog
> 2017-02-24  Nick Clifton  <nickc@redhat.com>
>
>         * readelf.c (show_name, do_dynamic, do_syms, do_dyn_syms,
>         (do_reloc, do_sections, do_section_groups, do_section_details,
>         (do_segments, do_unwind, do_using_dynamic, do_header, do_dump,
>         (do_version, do_histogram, do_debugging, do_arch, do_notes,
>         (do_archive_index, is_32bit_elf, decompress_dumps): Use
>         bfd_boolean type.
>         (parse_args): Treat the do_* variables as booleans.
>         (print_vma): Return an unsigned int.
>         (print_symbol): Change width parameter to signed int.
>         (is_ia64_vms): Change return type to bfd_boolean.
>         (guess_is_rela): Likewise.
>         (slurp_rela_relocs): Likewise.
>         (slurp_rel_relocs): Likewise.
>         (dump_relocations): Likewise.
>         (process_file_header): Likewise.
>         (get_program_headers): Likewise.
>         (process_program_headers): Likewise.
>         (process_section_headers): Likewise.
>         (process_section_groups): Likewise.
>         (dump_ia64_vms_dynamic_fixups): Likewise.
>         (dump_ia64_vms_dynamic_relocs): Likewise.
>         (process_ia64_vms_dynamic_relocs): Likewise.
>         (process_relocs): Likewise.
>         (dump_ia64_unwind): Likewise.
>         (ia64_process_unwind): Likewise.
>         (dump_hppa_unwind): Likewise.
>         (slurp_hppa_unwind_table): Likewise.
>         (hppa_process_unwind): Likewise.
>         (decode_arm_unwind_bytecode): Likewise.
>         (decode_tic6x_unwind_bytecode): Likewise.
>         (decode_arm_unwind): Likewise.
>         (dump_arm_unwind): Likewise.
>         (arm_process_unwind): Likewise.
>         (process_unwind): Likewise.
>         (get_32bit_dynamic_section): Likewise.
>         (get_64bit_dynamic_section): Likewise.
>         (process_dynamic_section): Likewise.
>         (process_version_sections): Likewise.
>         (process_symbol_table): Likewise.
>         (process_syminfo): Likewise.
>         (apply_relocations): Likewise.
>         (disassemble_section): Likewise.
>         (dump_section_as_strings): Likewise.
>         (dump_section_as_bytes): Likewise.
>         (load_specific_debug_section): Likewise.
>         (load_debug_section): Likewise.
>         (display_debug_section): Likewise.
>         (process_section_contents): Likewise.
>         (process_attributes): Likewise.
>         (process_nds32_specific): Likewise.
>         (process_gnu_liblist): Likewise.
>         (print_core_note): Likewise.
>         (print_gnu_note): Likewise.
>         (print_v850_note): Likewise.
>         (process_netbsd_elf_note): Likewise.
>         (print_stapsdt_note): Likewise.
>         (print_ia64_vms_note): Likewise.
>         (process_note): Likewise.
>         (process_notes_at): Likewise.
>         (process_corefile_note_segments): Likewise.
>         (process_v850_notes): Likewise.
>         (process_note_sections): Likewise.
>         (process_notes): Likewise.
>         (process_arch_specific): Likewise.
>         (get_file_header): Likewise.
>         (process_object): Likewise.
>         (process_archive): Likewise.
>         (process_file): Likewise.
>         (section_subset): Make static.
>         (get_mips_reg_size): Return a signed integer.
>         (process_object): Reverse the logic of the return value.
>         (process_archive): Likewise.
>         (process_file): Likewise.
>

I got

UNRESOLVED: objcopy (ELF group)
UNRESOLVED: objcopy (ELF group)
UNRESOLVED: objcopy (ELF group)
UNRESOLVED: objcopy (ELF group)

on Linux/x86.  The difference is the extra

There is no dynamic section in this file.

from readelf -a.

-- 
H.J.


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