Additional fixes for external callback logging in profiler.

Additional fixes for external callback logging in profiler.

For platforms that use function descriptors (currently AIX and
PPC64BE), log an external callback's entrypoint address rather than
its function descriptor address.

R=jkummerow@chromium.org, michael_dawson@ca.ibm.com
TEST=cctest/test-cpu-profiler/JsNativeJsSample
BUG=

Committed: https://crrev.com/9f8c21164c9ed3af4fdfac4f062b1a032c167b6e
Cr-Commit-Position: refs/heads/master@{#34505}

[MTBrandyberry, 2016-03-02 17:11:22]

The CQ bit was checked by mbrandy@us.ibm.com to run a CQ dry run

[commit-bot: I haz the power, 2016-03-02 17:11:25]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1752173003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1752173003/1

[commit-bot: I haz the power, 2016-03-02 17:14:35]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-03-02 17:14:36]

Dry run: Try jobs failed on following builders:
  v8_linux64_avx2_rel on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux64_avx2_rel/builds/...)
  v8_linux64_rel_ng on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux64_rel_ng/builds/2260)
  v8_mac_rel on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_mac_rel/builds/16383)

[MTBrandyberry, 2016-03-02 18:11:35]

The CQ bit was checked by mbrandy@us.ibm.com to run a CQ dry run

[commit-bot: I haz the power, 2016-03-02 18:11:36]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1752173003/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1752173003/20001

[commit-bot: I haz the power, 2016-03-02 18:16:26]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-03-02 18:16:27]

Dry run: Try jobs failed on following builders:
  v8_linux64_avx2_rel on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux64_avx2_rel/builds/...)

[MTBrandyberry, 2016-03-02 19:19:25]

The CQ bit was checked by mbrandy@us.ibm.com to run a CQ dry run

[commit-bot: I haz the power, 2016-03-02 19:19:30]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1752173003/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1752173003/20001

[commit-bot: I haz the power, 2016-03-02 19:29:18]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-03-02 19:29:19]

Dry run: This issue passed the CQ dry run.

[MTBrandyberry, 2016-03-02 19:34:27]

PTAL

[michael_dawson, 2016-03-02 19:47:10]

On 2016/03/02 19:34:27, MTBrandyberry wrote:
> PTAL

lgtm from the power side of things.

[michael_dawson, 2016-03-02 19:47:13]

On 2016/03/02 19:34:27, MTBrandyberry wrote:
> PTAL

lgtm from the power side of things.

[MTBrandyberry, 2016-03-04 17:04:26]

On 2016/03/02 19:47:13, michael_dawson wrote:
> On 2016/03/02 19:34:27, MTBrandyberry wrote:
> > PTAL
> 
> lgtm from the power side of things.

Bump.  Need common code approval.

[Jakob Kummerow, 2016-03-04 18:29:36]

lgtm

[MTBrandyberry, 2016-03-04 18:34:58]

The CQ bit was checked by mbrandy@us.ibm.com

[commit-bot: I haz the power, 2016-03-04 18:35:00]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1752173003/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1752173003/20001

[commit-bot: I haz the power, 2016-03-04 18:55:53]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-03-04 18:57:36]

Description was changed from

==========
Additional fixes for external callback logging in profiler.

For platforms that use function descriptors (currently AIX and
PPC64BE), log an external callback's entrypoint address rather than
its function descriptor address.

R=jkummerow@chromium.org, michael_dawson@ca.ibm.com
TEST=cctest/test-cpu-profiler/JsNativeJsSample
BUG=
==========

to

==========
Additional fixes for external callback logging in profiler.

For platforms that use function descriptors (currently AIX and
PPC64BE), log an external callback's entrypoint address rather than
its function descriptor address.

R=jkummerow@chromium.org, michael_dawson@ca.ibm.com
TEST=cctest/test-cpu-profiler/JsNativeJsSample
BUG=

Committed: https://crrev.com/9f8c21164c9ed3af4fdfac4f062b1a032c167b6e
Cr-Commit-Position: refs/heads/master@{#34505}
==========

[commit-bot: I haz the power, 2016-03-04 18:57:37]

Patchset 2 (id:??) landed as
https://crrev.com/9f8c21164c9ed3af4fdfac4f062b1a032c167b6e
Cr-Commit-Position: refs/heads/master@{#34505}