It is different from termination API as interrupted JavaScript will continue to execute normally when registered InterruptCallback returns.

  /**
   * Request V8 to interrupt long running JavaScript code and invoke
   * the given |callback| passing the given |data| to it. After |callback|
   * returns control will be returned to the JavaScript code.
   * At any given moment V8 can remember only a single callback for the very
   * last interrupt request.
   * Can be called from another thread without acquiring a |Locker|.
   * Registered |callback| must not reenter interrupted Isolate.
   */
  void RequestInterrupt(InterruptCallback callback, void* data);

  /**
   * Clear interrupt request created by |RequestInterrupt|.
   * Can be called from another thread without acquiring a |Locker|.
   */
  void ClearInterrupt();

Fix Hydrogen SCE pass to avoid eliminating stack guards too aggressively. Only normal JavaScript functions are guaranteed to have stack guard in the prologue. If function is a builtin or has a custom call IC it will lack one.

BUG=
R=danno@chromium.org, dcarney@chromium.org

Review URL: https://codereview.chromium.org/102063004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18363 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/108503004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18362 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Port r18347 (64ac25c)

Fix of r18351

BUG=
R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/94103007

Patch from Balazs Kilvady <kilvadyb@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18361 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/108413003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18360 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/108933002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18359 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/93633008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18358 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=titzer@chromium.org

Review URL: https://codereview.chromium.org/108083004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18357 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/112673002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18356 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=jkummerow@chromium.org
BUG=

Review URL: https://codereview.chromium.org/105213006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18353 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/111603008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18352 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=

Review URL: https://codereview.chromium.org/116073004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18351 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This never worked...

TBR=yangguo@chromium.org

Review URL: https://codereview.chromium.org/118233002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18350 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Our toolchains differ in mysterious ways, especially regarding
overloading resolution, templates, etc. :-P This fix avoids a
call/return just for resolution and uses a static_cast instead.

R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/118183002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18349 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=rossberg@chromium.org

Review URL: https://codereview.chromium.org/111573003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18348 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=jkummerow@chromium.org, titzer@chromium.org

Review URL: https://chromiumcodereview.appspot.com/110123002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18347 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

TBR=dcarney@chromium.org

Review URL: https://codereview.chromium.org/102123008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18346 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

"log" is an overloaded function, it cannot be resolved without explicit parameter type information

TBR=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/117723004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18345 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

It was only used for Math.log, and even then only in full code and in %_MathLog. For crankshafted code, Intel already used the FP operations directly, while the ARM/MIPS ports were a bit lazy and simply called the stub. The latter directly call the C library now without any cache. It would be possible to directly generate machine code if somebody has the time, from what I've seen out in the wild it should be only about a dozen instructions.

LOG=y
R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/113343003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18344 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=jkummerow@chromium.org, rossberg@chromium.org

Review URL: https://codereview.chromium.org/100093004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18343 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

LOG=y
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/108063003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18342 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=
R=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/111723004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18341 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=chromium:327298
LOG=N
TBR=hpayer@chromium.org

Review URL: https://codereview.chromium.org/118113002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18340 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=chromium:327298
LOG=N
TBR=hpayer@chromium.org

Review URL: https://codereview.chromium.org/115113009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18339 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

All methods for accessing collected profiles by index are deprecated. The indexed storage may well be implemented by the embedder should he need it. CpuProfiler's responsibility is just to create CpuProfile object that contains all collected data and whose lifetime can be managed by the embedder.

BUG=chromium:327298
LOG=Y
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/117353002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18337 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Too many updates to summarize them here.

This version of ICU allows for using a .dat file on posix systems that is mmaped
instead of compiling the data in like we currently do.

BUG=72633
LOG=n
R=jshin@chromium.org, machenbach@chromium.org

Review URL: https://codereview.chromium.org/109963003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18336 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Blink uses three slots, so instead of having to reallocate the array
everytime, make it big enough to begin with.

BUG=none
LOG=n
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/109953004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18335 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Object<-->id mapping doesn't depend on a particular snapshot, actually same object may appear in several heap snapshots. The API for converting between id and heap object should be provided by HeapProfiler itself. There is already GetObjectId method which I extended with FindObjectById/ClearObjectIds. As the next step I'm going to deprecate and remove HeapGraphNode::GetHeapValue.

BUG=chromium:324769
LOG=N
R=alph@chromium.org, hpayer@chromium.org, mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/93843004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18334 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=jochen@chromium.org, mstarzinger@chromium.org, yurys@chromium.org

Review URL: https://codereview.chromium.org/99193002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18333 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Folded allocations marked for double alignment is not aligned if old dominator
size is used for offset to inner object.

TEST=mjsunit/big-array-literal on MIPS
BUG=
R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/103963005

Patch from Dusan Milosavljevic <Dusan.Milosavljevic@rt-rk.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18332 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=hpayer@google.com, hpayer@chromium.org

Review URL: https://codereview.chromium.org/98273003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18329 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Port r18327 (372ee171)

Original commit message:
This fixes the ARM/android bug http://build.chromium.org/p/tryserver.chromium/builders/android_dbg_triggered_tests/builds/112686/steps/androidwebview_instrumentation_tests

BUG=
R=plind44@gmail.com

Review URL: https://codereview.chromium.org/107483005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18328 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This fixes the ARM/android bug http://build.chromium.org/p/tryserver.chromium/builders/android_dbg_triggered_tests/builds/112686/steps/androidwebview_instrumentation_tests TBR=dcarney@chromium.org

BUG=

Review URL: https://codereview.chromium.org/104823006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18327 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

BUG=324775
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/117043003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18324 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/112833002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18319 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/99923007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18316 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=ulan@chromium.org

Review URL: https://codereview.chromium.org/116423002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18315 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

This fixes the flaky crashes on ARM when running preparser test suite in
optdebug mode.

R=svenpanne@chromium.org

Review URL: https://chromiumcodereview.appspot.com/107543003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18314 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Also make sure that on exceptions from the test infrastructure there is no retry.

BUG=
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/114203002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18313 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

R=ulan@chromium.org
TBR=ulan@chromium.org

Review URL: https://codereview.chromium.org/106763003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18310 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

Also, have the stub cache set a valid MajorKey on stubs it creates.
Getting weird random bits frightens and confuses the poor simple type feedback oracle.

R=hpayer@chromium.org

Review URL: https://codereview.chromium.org/108443004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18309 ce2b1a6d-e550-0410-aec6-3dcde31c8c00