[MIPS] Implement register_set.{c,h} parts for MIPS

[MIPS] Implement register_set.{c,h} parts for MIPS

Implementation of macros used in register_set files when arch is MIPS.

BUG= https://code.google.com/p/nativeclient/issues/detail?id=2275
TEST= run register_set test


Committed: http://src.chromium.org/viewvc/native_client?view=rev&revision=10973

[petarj, 2013-03-12 22:40:07]

Second subset of changes from
https://codereview.chromium.org/12256018/
Only register_set.c and register_set.h

There was a question about $k0 and $k1 registers at CL 12256018.
By MIPS register usage convention, they are reserved for OS kernel.
User program does not use it, since they may change unexpectedly.

[Mark Seaborn, 2013-03-12 23:07:28]

LGTM, thanks

https://codereview.chromium.org/12781011/diff/1/tests/common/register_set.h
File tests/common/register_set.h (right):

https://codereview.chromium.org/12781011/diff/1/tests/common/register_set.h#n...
tests/common/register_set.h:384: /* We skip setting k0 and k1 registers, they
are changed by kernel. */ \
'setting' -> 'saving'

https://codereview.chromium.org/12781011/diff/1/tests/common/register_set.h#n...
tests/common/register_set.h:399: "and $sp, $sp, $t1 \n" \
Nit: remove space before \n for consistency

[petarj, 2013-03-12 23:44:04]

https://codereview.chromium.org/12781011/diff/1/tests/common/register_set.h
File tests/common/register_set.h (right):

https://codereview.chromium.org/12781011/diff/1/tests/common/register_set.h#n...
tests/common/register_set.h:384: /* We skip setting k0 and k1 registers, they
are changed by kernel. */ \
On 2013/03/12 23:07:28, Mark Seaborn wrote:
> 'setting' -> 'saving'

Done.

https://codereview.chromium.org/12781011/diff/1/tests/common/register_set.h#n...
tests/common/register_set.h:399: "and $sp, $sp, $t1 \n" \
On 2013/03/12 23:07:28, Mark Seaborn wrote:
> Nit: remove space before \n for consistency

Done.

[commit-bot: I haz the power, 2013-03-12 23:44:29]

CQ is trying da patch. Follow status at
https://nativeclient-status.appspot.com/cq/petarj@mips.com/12781011/31001

[commit-bot: I haz the power, 2013-03-13 02:30:47]

Change committed as 10973