PR22451, strip no longer works on older object files

H.J. Lu hjl.tools@gmail.com
Mon Nov 20 13:50:00 GMT 2017


On Mon, Nov 20, 2017 at 5:40 AM, Alan Modra <amodra@gmail.com> wrote:
> Setting SHF_GROUP unconditionally on rel/rela sections associated with
> SHF_GROUP sections fails badly with objcopy/strip and ld -r if the
> input file SHT_GROUP section didn't specify the rel/rela sections.
> This patch rearranges where SHF_GROUP is set for rel/rela sections.
>
>         PR 22451
>         PR 22460
>         * elf.c (_bfd_elf_init_reloc_shdr): Delete "sec_hdr" parameter
>         and leave rel_hdr->sh_flags zero.  Update calls.
>         (bfd_elf_set_group_contents): Check input rel/rela SHF_GROUP
>         flag when !gas before adding rel/rela section to group.  Set
>         output rel/rela SHF_GROUP flags.
>

Can we add an assembler command-line option to get  back the old
behavior?  It can be used to generate a testcase for this patch.   It
may be useful in other places.

-- 
H.J.



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