Add a jss gdb macro that skips over the jitted stack in gdb

Add a jss gdb macro that skips over the jitted stack in gdb

Use it like this:

Program received signal SIGTRAP, Trace/breakpoint trap.
[Switching to Thread 0x7f50d02c4700 (LWP 8152)]
base::debug::(anonymous namespace)::DebugBreak ()
    at ../../base/debug/debugger_posix.cc:230
230     }
(gdb) bt
    at ../../base/debug/debugger_posix.cc:230
...
    args_object=0x7f50d02bfe00, isolate=0x2f001c9e2020)
    at ../../v8/src/builtins/builtins-api.cc:123
...
(gdb) jss
(gdb) bt
    isolate=0x2f001c9e2020, is_construct=false, target=..., receiver=...,
    argc=1, args=0x7f50d02c0518, new_target=...)
    at ../../v8/src/execution.cc:111
    isolate=0x2f001c9e2020, callable=..., receiver=..., argc=1,
    argv=0x7f50d02c0518) at ../../v8/src/execution.cc:168
...

R=yangguo@chromium.org
BUG=

Committed: https://crrev.com/a8118084328234d1f9f8fffb998e134cdda6356b
Cr-Commit-Position: refs/heads/master@{#38121}

[jochen (gone - plz use gerrit), 2016-07-27 14:30:37]

The CQ bit was checked by jochen@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-07-27 14:30:41]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[jochen (gone - plz use gerrit), 2016-07-27 14:32:15]

jss as in javascript skip stack

[commit-bot: I haz the power, 2016-07-27 14:57:01]

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

[commit-bot: I haz the power, 2016-07-27 14:57:02]

Dry run: This issue passed the CQ dry run.

[Yang, 2016-07-28 09:01:26]

On 2016/07/27 14:32:15, jochen wrote:
> jss as in javascript skip stack

Nice. LGTM.

[jochen (gone - plz use gerrit), 2016-07-28 09:02:58]

The CQ bit was checked by jochen@chromium.org

[commit-bot: I haz the power, 2016-07-28 09:03:07]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-07-28 09:04:44]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-07-28 09:06:53]

Description was changed from

==========
Add a jss gdb macro that skips over the jitted stack in gdb

Use it like this:

Program received signal SIGTRAP, Trace/breakpoint trap.
[Switching to Thread 0x7f50d02c4700 (LWP 8152)]
base::debug::(anonymous namespace)::DebugBreak ()
    at ../../base/debug/debugger_posix.cc:230
230     }
(gdb) bt
    at ../../base/debug/debugger_posix.cc:230
...
    args_object=0x7f50d02bfe00, isolate=0x2f001c9e2020)
    at ../../v8/src/builtins/builtins-api.cc:123
...
(gdb) jss
(gdb) bt
    isolate=0x2f001c9e2020, is_construct=false, target=..., receiver=...,
    argc=1, args=0x7f50d02c0518, new_target=...)
    at ../../v8/src/execution.cc:111
    isolate=0x2f001c9e2020, callable=..., receiver=..., argc=1,
    argv=0x7f50d02c0518) at ../../v8/src/execution.cc:168
...

R=yangguo@chromium.org
BUG=
==========

to

==========
Add a jss gdb macro that skips over the jitted stack in gdb

Use it like this:

Program received signal SIGTRAP, Trace/breakpoint trap.
[Switching to Thread 0x7f50d02c4700 (LWP 8152)]
base::debug::(anonymous namespace)::DebugBreak ()
    at ../../base/debug/debugger_posix.cc:230
230     }
(gdb) bt
    at ../../base/debug/debugger_posix.cc:230
...
    args_object=0x7f50d02bfe00, isolate=0x2f001c9e2020)
    at ../../v8/src/builtins/builtins-api.cc:123
...
(gdb) jss
(gdb) bt
    isolate=0x2f001c9e2020, is_construct=false, target=..., receiver=...,
    argc=1, args=0x7f50d02c0518, new_target=...)
    at ../../v8/src/execution.cc:111
    isolate=0x2f001c9e2020, callable=..., receiver=..., argc=1,
    argv=0x7f50d02c0518) at ../../v8/src/execution.cc:168
...

R=yangguo@chromium.org
BUG=

Committed: https://crrev.com/a8118084328234d1f9f8fffb998e134cdda6356b
Cr-Commit-Position: refs/heads/master@{#38121}
==========

[commit-bot: I haz the power, 2016-07-28 09:06:54]

Patchset 1 (id:??) landed as
https://crrev.com/a8118084328234d1f9f8fffb998e134cdda6356b
Cr-Commit-Position: refs/heads/master@{#38121}