[Bug binutils/19938] objcopy breaks sh_link and sh_info of SHT_SUNW_LDYNSYM and SHT_SUNW_symsort sections

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=19938

--- Comment #13 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The master branch has been updated by Nick Clifton <address@hidden>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=84865015459b4e9e8ac67f9b91617fbd856d5119

commit 84865015459b4e9e8ac67f9b91617fbd856d5119
Author: Nick Clifton <address@hidden>
Date:   Thu Apr 14 12:04:09 2016 +0100

    Fix copying Solaris binaries with objcopy.

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

    binutils* testsuite/binutils-all/i386/compressed-1b.d: Allow for the
        string sections possibly having the SHF_STRINGS flag bit set.
        * testsuite/binutils-all/i386/compressed-1c.d: Likewise.
        * testsuite/binutils-all/readelf.s: Likewise.
        * testsuite/binutils-all/readelf.s-64: Likewise.
        * testsuite/binutils-all/x86-64/compressed-1b.d: Likewise.
        * testsuite/binutils-all/x86-64/compressed-1c.d: Likewise.

    gas * testsuite/gas/i386/ilp32/x86-64-unwind.d: Allow for the string
        sections possibly having the SHF_STRINGS flag bit set.
        * testsuite/gas/i386/x86-64-unwind.d: Likewise.

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