[PATCH 1/5] xtensa: fix relaxation of undefined weak references in shared objects

[augustine.sterling@gmail.com]

On Mon, Jul 23, 2018 at 11:10 AM, Max Filippov <jcmvbkbc@gmail.com> wrote:
> The change c451bb34ae8b ("xtensa: don't emit dynamic relocation for weak
> undefined symbol") didn't properly handled shrinking of relocation
> sections due to coalescing of references to a dynamic undefined weak
> symbol in a shared object, which resulted in the following assertion
> failure in ld when linking uClibc-ng libthread_db for xtensa:
>
>   BFD (GNU Binutils) 2.31 internal error, aborting at elf32-xtensa.c:3269
>   in elf_xtensa_finish_dynamic_sections
>
> Shrink dynamic relocations section for dynamic undefined weak symbols
> when linking a shared object.
>
> bfd/
> 2018-07-23  Max Filippov  <jcmvbkbc@gmail.com>
>
>         * elf32-xtensa.c (shrink_dynamic_reloc_sections): Shrink dynamic
>         relocations section for dynamic undefined weak symbols when
>         linking a shared object.
> ---

Approved.