#18378 Add s390 support for gold - v2

[Cary Coutant]

Thanks! It'll take me a few days to review these, especially the third
one. I've been away just as a flurry of bugs and patches arrived, so
I've got a bit of a backlog to slog through.

-cary


On Mon, Oct 5, 2015 at 7:57 AM, Marcin Kościelnicki <koriakin@0x04.net> wrote:
> The copyright assignment process is now finished. I've done some
> testing during last 2 weeks and made some fixes to the code.
> Here comes the improved patchset.
>
> Patch 1 adds support for 64-bit SHT_HASH entries, necessary for
> s390. Patch 2 adds support for 64-bit archive symbol index, which
> is used on s390 targets. Patch 3 adds the s390 backend proper.
> Patch 4 fixes alignment in mergeable string sections, which causes
> crashes on s390. Patches 5 and 6 fix the testsuite to pass on s390.
>