[PATCH] Use signed data type for R_XTENSA_DIFF* relocation offsets.

[augustine.sterling@gmail.com]

On Tue, May 6, 2014 at 3:35 PM, Max Filippov <jcmvbkbc@gmail.com> wrote:
> From: Volodymyr Arbatov <arbatov@cadence.com>
>
> R_XTENSA_DIFF relocation offsets are in fact signed. Treat them as such.
> Add testcase that examines ld behaviour on R_XTENSA_DIFF relocation
> changing sign during relaxation.
>

This patch is OK for trunk.