[PATCH] elf: Strip zero-sized dynamic sections

[H.J. Lu]

On Fri, Apr 17, 2020 at 5:26 PM Alan Modra <amodra@gmail.com> wrote:
>
> On Fri, Apr 17, 2020 at 10:57:04AM -0700, H.J. Lu wrote:
> > Any ideas why ppc64 backend generates zero-sized relocation section:
> >
> > tmpdir/libcomm-data.so:
> > ...
> >   [ 5] .rela.dyn         RELA            0000000000000160 000160
> > 000000 18   A  3   0  8
> > ...
> >
> > Is this required by psABI?
>
> No, it just looks to be something that isn't tidied.  The .rela.dyn
> output section is created due to .rela.branch_lt being created as a
> dynamic section, and not being sized early enough for
> size_dynamic_sections to set SEC_EXCLUDE.  I'll see if I can make it
> go away.
>

I opened:

https://sourceware.org/bugzilla/show_bug.cgi?id=25849

Here is a patch.  OK for master?

-- 
H.J.
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