[PATCH][ARM] Fix ARM stub misalignment problem caused by cortex-a8 erratum stubs.

[Nick Clifton]

Hi Doug,

> 2009-07-30  Doug Kwan  <dougkwan@google.com>
> bfd/ChangeLog
> 
>         * elf32-arm.c (arm_build_one_stub): Align section size increment by
>         8 byte.
>         (elf32_arm_size_stubs): Align cortex-a8 erratum stubs by 8 byte.
>         boundary.
> 
> ld/testsuite/ChangeLog
> 
>         * ld-arm/arm-elf.exp: Add new test cortex-a8-fix-alignment
>         * ld-arm/cortex-a8-fix-alignment.d: New file
>         * ld-arm/cortex-a8-fix-alignment.s: New file
>         * ld-arm/cortex-a8-fix-alignment2.s: New file
>         * ld-arm/cortex-a8-fix-b-rel-thumb.d: Adjust test for new stub
>         alignment.
>         * ld-arm/cortex-a8-fix-b.d: Same.
>         * ld-arm/cortex-a8-fix-bcc-rel-thumb.d: Same.
>         * ld-arm/cortex-a8-fix-bcc.d: Same.
>         * ld-arm/cortex-a8-fix-bl-rel-arm.d: Same.
>         * ld-arm/cortex-a8-fix-bl-rel-thumb.d: Same.
>         * ld-arm/cortex-a8-fix-bl.d: Same.
>         * ld-arm/cortex-a8-fix-blx-rel-arm.d: Same.
>         * ld-arm/cortex-a8-fix-blx-rel-thumb.d: Same.
>         * ld-arm/cortex-a8-fix-blx.d: Same.
>         * ld-arm/farcall-group-size2.d: Same.
>         * ld-arm/farcall-group.d: Same.
>         * ld-arm/farcall-mix.d: Same.
>         * ld-arm/farcall-mix2.d: Same.
>         * ld-arm/farcall-mixed-lib.d: Same.

Approved - please apply.

Note - you might find that using the align_power() macro that is defined 
in bfd-in.h will make the code slightly simpler.

Cheers
   Nick