These sections have SHF_STRINGS in sh_flags on Solaris. Commit
8486501545 in part implemented this variation by an elf_backend_data
field used to set the flags, but that only works of course if one of
the solaris targets is used. Which in some ways is fair enough. If
you want solaris support then it is reasonable to require the solaris
targets to be compiled in. However if they are not the default, other
ELF targets may be used even when the solaris targets are compiled in,
because many ELF targets allow any ELFOSABI object to match. (Which
is arguably a bug.)
So instead of the current scheme this patch implements the solaris
specific sh_flags in _bfd_elf_final_write_processing. That way either
a solaris target being used, or ELFOSABI_SOLARIS in the object will
get the correct sh_flags.
PR 19938
* elf-bfd.h (struct elf_backend_data): Delete elf_strtab_flags.
* elf.c (_bfd_elf_final_write_processing): Handle solaris
peculiarities here.
(_bfd_elf_compute_section_file_positions): Leave shstrtab sh_flags
zero, and don't re-zero other fields.
(swap_out_syms): Similarly for sym strtab.
* elflink.c (_bfd_elf_final_link): Likewise.
* elf32-i386.c (elf_backend_strtab_flags): Don't define.
* elf32-sparc.c: Likewise.
* elf64-sparc.c: Likewise.
* elf64-x86-64.c: Likewise.
* elfxx-target.h: Likewise.
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