NONE Relocations in shared libraries

[H.J. Lu]

On Tue, Nov 17, 2020 at 2:45 PM Michael Morrell via Binutils
<binutils@sourceware.org> wrote:
>
> I sometimes see relocations of type NONE in shared libraries and was wondering what purpose they serve.  They seemed to be
> caused by code in a backend relocation function.  For example, for x86-64, in elf_x86_64_relocation_section, there is code:
>
>   if (skip)
>     memset(&outrel, 0, sizeof outrel);
>
>   ....
>
>    elf_append_rela(output_bfd, sreloc, &outrel);
>
> which appends a relocation with all bytes 0 to the shared library.   What is this for?
>

NONE relocation usually is an indication of a backend failing to
accurately account for the number
of dynamic relocations needed.  This should be fixed if possible.  If
you run into such a case,
please open a binutils bug.


-- 
H.J.