MIPS: Move stack unwinding logic into the runtime.

MIPS: Move stack unwinding logic into the runtime.

Port 4acbc93dbfe338adb217f4971e914f77afe504d9

BUG=

Committed: https://crrev.com/978c7a8280d3220604ad054a70431c4cbf8a9282
Cr-Commit-Position: refs/heads/master@{#26967}

[balazs.kilvady, 2015-03-03 14:38:10]

balazs.kilvady@imgtec.com changed reviewers:
+ akos.palfi@imgtec.com, danno@chromium.org, dusan.milosavljevic@imgtec.com,
gergely.kis@imgtec.com, mstarzinger@chromium.org, paul.lind@imgtec.com

[dusmil.imgtec, 2015-03-03 15:16:56]

LGTM.

[Michael Starzinger, 2015-03-03 15:23:22]

LGTM.

https://codereview.chromium.org/974873002/diff/1/src/mips/code-stubs-mips.cc
File src/mips/code-stubs-mips.cc (right):

https://codereview.chromium.org/974873002/diff/1/src/mips/code-stubs-mips.cc#...
src/mips/code-stubs-mips.cc:1053: // Ask the runtime for help to determine the
handler. This will set r0 to
nit: s/r0/v0/ in the comment?

https://codereview.chromium.org/974873002/diff/1/src/mips64/code-stubs-mips64.cc
File src/mips64/code-stubs-mips64.cc (right):

https://codereview.chromium.org/974873002/diff/1/src/mips64/code-stubs-mips64...
src/mips64/code-stubs-mips64.cc:1049: // Ask the runtime for help to determine
the handler. This will set r0 to
nit: Likewise.

[balazs.kilvady, 2015-03-03 16:16:36]

Thanks for catching comment mistakes.

[balazs.kilvady, 2015-03-03 16:17:01]

https://codereview.chromium.org/974873002/diff/1/src/mips/code-stubs-mips.cc
File src/mips/code-stubs-mips.cc (right):

https://codereview.chromium.org/974873002/diff/1/src/mips/code-stubs-mips.cc#...
src/mips/code-stubs-mips.cc:1053: // Ask the runtime for help to determine the
handler. This will set r0 to
On 2015/03/03 15:23:21, Michael Starzinger wrote:
> nit: s/r0/v0/ in the comment?

Done.

https://codereview.chromium.org/974873002/diff/1/src/mips64/code-stubs-mips64.cc
File src/mips64/code-stubs-mips64.cc (right):

https://codereview.chromium.org/974873002/diff/1/src/mips64/code-stubs-mips64...
src/mips64/code-stubs-mips64.cc:1049: // Ask the runtime for help to determine
the handler. This will set r0 to
On 2015/03/03 15:23:22, Michael Starzinger wrote:
> nit: Likewise.

Done.

[balazs.kilvady, 2015-03-03 16:17:10]

The CQ bit was checked by balazs.kilvady@imgtec.com

[balazs.kilvady, 2015-03-03 16:17:11]

The patchset sent to the CQ was uploaded after l-g-t-m from
mstarzinger@chromium.org, dusan.milosavljevic@imgtec.com
Link to the patchset: https://codereview.chromium.org/974873002/#ps20001 (title:
"Fix comments.")

[commit-bot: I haz the power, 2015-03-03 16:17:51]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/974873002/20001

[commit-bot: I haz the power, 2015-03-03 17:15:19]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-03-03 17:15:39]

Patchset 2 (id:??) landed as
https://crrev.com/978c7a8280d3220604ad054a70431c4cbf8a9282
Cr-Commit-Position: refs/heads/master@{#26967}