Commit Graph

530 Commits

Author SHA1 Message Date
yangguo@chromium.org
72db2287c3 Add parallel recompilation time to histogram and plot execution pause times.
BUG=

Review URL: https://chromiumcodereview.appspot.com/11412125

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13036 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-11-22 13:04:11 +00:00
svenpanne@chromium.org
f275b36299 Reduced TLS accesses even further.
Thread the Isolate through FindCodeInCache, FindCodeInSpecialCache and
SetProperty. Reduced the number of TLS accesses while running the Octane
benchmark down to 19% compared to the beginning of the cleanups.

Review URL: https://codereview.chromium.org/11411033

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13030 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-11-22 07:58:59 +00:00
svenpanne@chromium.org
c8bc4db52f Enable deprecations.
In addition, use a more common style in the preprocessor condition, making
e.g. '-DV8_ENABLE_DEPRECATIONS=0' do the expected thing. Removed a useles

Review URL: https://codereview.chromium.org/11413113

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13024 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-11-21 10:16:07 +00:00
yangguo@chromium.org
36f5b6d41f Rename IsAsciiRepresentation
This is a straight rename:

IsAsciiRepresentation -> IsOneByteRepresentation
IsAsciiRepresentationUnderneath -> IsOneByteRepresentationUnderneath
AllocateRawAsciiString -> AllocateRawOneByteString
AllocateStringFromAscii -> AllocateStringFromOneByte

R=yangguo@chromium.org,
BUG=

Review URL: https://chromiumcodereview.appspot.com/11308066
Patch from Dan Carney <dcarney@google.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13023 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-11-21 10:01:05 +00:00
svenpanne@chromium.org
d5f589808d Removed a bunch of GetExistingThreadLocal calls by threading the Isolate.
For Octane, the number of calls go down from 7341629 to 1947880, i.e. they are
reduced by more than 73%. TLS access is not especially cheap, so this exercise
seems worthwhile.

Review URL: https://codereview.chromium.org/11412007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12979 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-11-16 08:38:11 +00:00
svenpanne@chromium.org
673924413f Re-land rev. 12849 and 12868 (Heavy cleanup of the external pointer API + related fix).
Review URL: https://codereview.chromium.org/11365224

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12945 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-11-13 12:27:03 +00:00
ulan@chromium.org
acd3013d9d Speed up native error check.
BUG=148757
TEST=largeObj test from the bug is 2x faster.
R=yangguo@chromium.org

Review URL: https://chromiumcodereview.appspot.com/11377100

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12938 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-11-12 15:33:31 +00:00
jkummerow@chromium.org
e8320f4f78 Function::GetScriptOrigin should supply sourceURL when script name is not available.
GetScriptOrigin is used for DevTools instrumentation.

If inspected call-site is inside "eval" then returned script name is "undefined". To fix this problem we can use the "nameOrSourceURL" method of script-wrapper.

This is a re-upload of https://codereview.appspot.com/6811090/ for the purpose of landing.

BUG=159413

Review URL: https://codereview.chromium.org/11312185
Patch from Eugene Klyuchnikov <eustas@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12929 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-11-12 12:34:18 +00:00
svenpanne@chromium.org
09666b60b8 Rollback of r12868, r12849 on bleeding_edge.
Fixed visibility attribute for GetPointerFromInternalField

Heavy cleanup of the external pointer API.

Review URL: https://codereview.chromium.org/11359125

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12911 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-11-09 10:07:54 +00:00
mstarzinger@chromium.org
a65e166aa7 Implement MarkIndependent(Isolate*) and MarkPartiallyDependent(Isolate*)
BUG=
TEST=cctest/test-api/IndependentWeakHandle

Review URL: https://codereview.chromium.org/11369131
Patch from Kentaro Hara <haraken@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12904 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-11-08 15:01:26 +00:00
danno@chromium.org
0fc9527abe Decouple allocation and creation of deopt tables
This makes it possible to calculate the future address of a deopt entry before it is possible to generate the deopt table.

Review URL: https://codereview.chromium.org/11275145

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12877 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-11-07 08:49:17 +00:00
mstarzinger@chromium.org
762c36b6fb Allow collection of DOM objects in minor GC cycles.
A design document: https://docs.google.com/a/google.com/document/d/16DeHrzkm3cO9XCPT1aK3Y5qgUxXB3RFmueqQWYmN2rI/edit

Performance & memory results: https://docs.google.com/a/google.com/document/d/1h0-EsHu7T0sSMuZm5eE0r1e8sCAzY3weLvsDUpOSngE/edit

The WebKit side patch: https://bugs.webkit.org/show_bug.cgi?id=98725

At present no one is using the V8 APIs this patch is going to add. After this patch is landed, the WebKit side patch will use it.

BUG=

Review URL: https://codereview.chromium.org/11085015
Patch from Kentaro Hara <haraken@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12874 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-11-06 17:32:15 +00:00
mstarzinger@chromium.org
b77e629f1a Implement IsIndependent(Isolate*)
BUG=
TEST=cctest/test-api/IndependentWeakHandle

Committed: https://code.google.com/p/v8/source/detail?r=12852

Review URL: https://codereview.chromium.org/11368053
Patch from Kentaro Hara <haraken@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12854 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-11-05 13:20:45 +00:00
mstarzinger@chromium.org
ea00c51e24 Implement IsIndependent(Isolate*)
BUG=
TEST=cctest/test-api/IndependentWeakHandle

Review URL: https://codereview.chromium.org/11368053
Patch from Kentaro Hara <haraken@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12852 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-11-05 12:35:51 +00:00
svenpanne@chromium.org
f3807ca17b Heavy cleanup of the external pointer API.
Added highly efficient Object::SetAlignedPointerInInternalField and
Object::GetAlignedPointerFromInternalField functions for 2-byte-aligned
pointers. Their non-aligned counterparts Object::GetPointerFromInternalField and
Object::SetPointerInInternalField are now deprecated utility functions.

External is now a true Value again, with New/Value/Cast using a JSObject with an
internal field containing a Foreign. External::Wrap, and External::Unwrap are now
deprecated utility functions.

Added Context::GetEmbedderData and Context::SetEmbedderData. Deprecated
Context::GetData and Context::SetData, these are now only wrappers to access
internal field 0.

Added highly efficient Context::SetAlignedPointerInEmbedderData and
Context::GetAlignedPointerFromEmbedderData functions for 2-byte-aligned
pointers.

Review URL: https://codereview.chromium.org/11190050

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12849 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-11-05 10:25:32 +00:00
mstarzinger@chromium.org
2baf7eb8e2 Fix typo in V8::MarkIndependent()
BUG=

Review URL: https://codereview.chromium.org/11238064
Patch from Kentaro Hara <haraken@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12810 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-10-25 10:07:26 +00:00
mstarzinger@chromium.org
37759f4d64 Implement committed physical memory stats for Linux.
The patch introduces CommittedPhysicalMemory function to
the Heap class that reports committed *physical* memory acquired
for the heap from the OS.
It is important because some OSes may defer actual committment on e.g.
first access to the region.
So reporting just plain committed size led to various weird artifacts
like showing V8 allocated memory higher than the whole process
private size.

BUG=v8:2191

Review URL: https://codereview.chromium.org/11066118
Patch from Alexei Filippov <alph@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12793 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-10-22 16:33:10 +00:00
danno@chromium.org
063609280e Add a faster API for creating v8::Integer objects
In WebKit, we have a small integer cache because calling v8::Integer::New is
slow. This patch adds a faster API for creating integers that requires the
caller to supply the v8::Isolate, saving us the work of looking up the isolate
in thread-local storage.

BUG=

Review URL: https://codereview.chromium.org/11212004
Patch from Adam Barth <abarth@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12773 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-10-19 11:15:04 +00:00
yangguo@chromium.org
5fa8f2f485 Pass pending exception to the message listener.
BUG=

Review URL: https://chromiumcodereview.appspot.com/11014017

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12768 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-10-19 08:45:24 +00:00
svenpanne@chromium.org
9dc2c5b83d Add an API for enumerating persistent handles
This API lets the embedder enumerate handles that have class ids. WebKit will
use this feature during garbage collection to compute object groups for DOM
nodes. Previously, we kept a list of DOM nodes on the WebKit side, but that
list is redundant with the global handles list in V8.

Review URL: https://codereview.chromium.org/11190011
Patch from Adam Barth <abarth@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12750 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-10-18 06:52:37 +00:00
mstarzinger@chromium.org
5b64362706 Revert r12625 due to sandbox incompatibility.
Original message: Implement committed physical memory stats for Linux.
This had to be reverted because it crashes when compiled into Chromium
due to the sandbox not allowing the mincore call.

R=verwaest@chromium.org
BUG=v8:2191

Review URL: https://codereview.chromium.org/11023010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12640 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-10-01 12:11:06 +00:00
mstarzinger@chromium.org
974a2268bb Implement committed physical memory stats for Linux.
The patch introduces CommittedPhysicalMemory function to the Heap class
that reports committed *physical* memory acquired from the OS.
It is important because some OSes may postpone actual commitment on e.g.
first access to the previously committed region.
So reporting just plain committed size led to various weird artifacts
like DevTools showing V8 allocated memory higher than the whole process
private size.

BUG=v8:2191

Review URL: https://codereview.chromium.org/10961042
Patch from Alexei Filippov <alph@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12625 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-09-27 13:27:50 +00:00
ulan@chromium.org
4bd4fb1aa4 Throw a more descriptive exception when blocking 'eval' via CSP.
BUG=140191

R=svenpanne@chromium.org,mkwst@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10837358

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12525 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-09-17 09:58:22 +00:00
danno@chromium.org
48d327d0b4 Let the embedder store arbitrary Values via Context::SetData
In WebKit, we would like to store a void* to a data structure that contains
lots of exciting per-context data. The current API restricts us to storing only
Strings, which is less useful.

I've also cleaned up the implementation of GetData to be less convoluted.

Review URL: https://codereview.chromium.org/10907189
Patch from Adam Barth <abarth@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12520 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-09-14 16:13:23 +00:00
yangguo@chromium.org
8d04c8c89f Replace r12503. Explicitly check toString() for exception in d8's print().
R=jkummerow@chromium.org
BUG=v8:2317

Review URL: https://chromiumcodereview.appspot.com/10911305

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12507 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-09-14 11:43:46 +00:00
yangguo@chromium.org
4fe330c055 Not mask exception thrown by toString in String::UtfValue etc.
R=jkummerow@chromium.org
BUG=v8:2317

Review URL: https://chromiumcodereview.appspot.com/10917236

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12503 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-09-14 08:13:57 +00:00
mstarzinger@chromium.org
8db2000615 Fix API check for length of external arrays.
R=jkummerow@chromium.org
BUG=chromium:148896
TEST=cctest/test-api/ExternalArrayLimits

Review URL: https://codereview.chromium.org/10914257

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12495 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-09-13 09:36:56 +00:00
yangguo@chromium.org
6a9e4048aa Introduce new API to expose external string resource regardless of encoding.
BUG=

Review URL: https://chromiumcodereview.appspot.com/10917211

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12488 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-09-12 11:29:50 +00:00
yangguo@chromium.org
59b9a32b34 Fix edge case of extension with NULL as source string.
BUG=144649

Review URL: https://chromiumcodereview.appspot.com/10914201

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12485 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-09-11 14:16:56 +00:00
yangguo@chromium.org
bf229e93eb Enable/disable LiveEdit using the (C++) debug API.
BUG=

Review URL: https://chromiumcodereview.appspot.com/10875072

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12472 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-09-10 09:24:17 +00:00
jkummerow@chromium.org
fe5ce826c8 Add empty-handle checks to API functions (#ifdef ENABLE_EXTRA_CHECKS)
Review URL: https://chromiumcodereview.appspot.com/10917088

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12445 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-09-05 16:06:53 +00:00
yangguo@chromium.org
5ac2a5d22e Revert r12430, r12432, r12433 (basic support for Latin1).
BUG=

Review URL: https://chromiumcodereview.appspot.com/10905075

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12438 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-09-04 12:23:22 +00:00
yangguo@chromium.org
37c1c06108 Fix more windows build warnings.
TBR=ulan@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/10917065

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12433 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-09-03 15:50:24 +00:00
yangguo@chromium.org
f653480a0c Fix windows compile errors introduced by r12430.
R=ulan@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/10907049

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12432 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-09-03 15:40:00 +00:00
yangguo@chromium.org
74f06b1f99 Add basic support for Latin1 to the API.
BUG=

Review URL: https://chromiumcodereview.appspot.com/10857030

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12430 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-09-03 15:06:36 +00:00
yangguo@chromium.org
4e2027bbc2 Revert r12379 (Add checks to external string API).
R=ulan@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/10897027

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12406 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-08-29 15:23:48 +00:00
jkummerow@chromium.org
f9d4856289 Add a new API V8::SetJitCodeEventHandler to push code name and location to users such as profilers.
BUG=None
TEST=Included in CL.

Committed: https://code.google.com/p/v8/source/detail?r=12389

Review URL: https://chromiumcodereview.appspot.com/10795074
Patch from Sigurður Ásgeirsson <siggi@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12401 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-08-28 14:43:28 +00:00
rossberg@chromium.org
ccc827a6f8 Allocate block-scoped global bindings to global context.
- The global object has a reference to the current global scope chain.
  Running a script adds to the chain if it contains global lexical declarations.
- Scripts are executed relative to a global, not a native context.
- Harmony let and const bindings are allocated to the innermost global context;
  var and function still live on the global object.
  (Lexical bindings are not reflected on the global object at all,
  but that will probably change later using accessors, as for modules.)
- Compilation of scripts now needs a (global) context (previously only eval did).
- The global scope chain represents one logical scope, so collision tests take
  the chain into account.

R=svenpanne@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/10872084

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12398 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-08-28 11:25:08 +00:00
rossberg@chromium.org
1dbf670713 Index script compilation cache over context, too,
in preparation for global lexical scope.

R=ulan@chromium.org
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10878007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12397 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-08-28 10:49:23 +00:00
verwaest@chromium.org
a713f82aa6 Revert "Add a new API V8::SetJitCodeEventHandler to push code name and location to users such as profilers."
This reverts commit r12389.

TBR=jkummerow@chromium.org, CC=siggi@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10870108

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12390 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-08-27 19:47:02 +00:00
jkummerow@chromium.org
0a6493b5a8 Add a new API V8::SetJitCodeEventHandler to push code name and location to users such as profilers.
BUG=None
TEST=Included in CL.

Review URL: https://chromiumcodereview.appspot.com/10795074
Patch from Sigurður Ásgeirsson <siggi@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12389 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-08-27 18:03:38 +00:00
yangguo@chromium.org
89cd0677dc Add check to external string resource.
Extensions are a source of external strings where we don't perform check yet.

R=ulan@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/10878025

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12379 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-08-24 13:01:52 +00:00
svenpanne@chromium.org
f7ed521fce Handle native callbacks without getters.
TEST=cctest/test-api/SetterOnly,cctest/test-api/NoAccessors

Review URL: https://chromiumcodereview.appspot.com/10831388

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12344 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-08-20 14:32:32 +00:00
rossberg@chromium.org
984d0b0925 Rename Context::global to Context::global_object,
in preparation for global lexical scope.

R=mstarzinger@chromium.org
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10832365

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12335 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-08-17 12:59:00 +00:00
rossberg@chromium.org
42552808ab Rename "global context" to "native context",
in anticipation of the upcoming lexical global scope.

Mostly automatised as:

for FILE in `egrep -ril "global[ _]?context" src test/cctest`
do
  echo $FILE
  sed "s/Global context/Native context/g" <$FILE >$FILE.0
  sed "s/global context/native context/g" <$FILE.0 >$FILE.1
  sed "s/global_context/native_context/g" <$FILE.1 >$FILE.2
  sed "s/GLOBAL_CONTEXT/NATIVE_CONTEXT/g" <$FILE.2 >$FILE.3
  sed "s/GlobalContext/NativeContext/g" <$FILE.3 >$FILE
  rm $FILE.[0-9]
done

R=mstarzinger@chromium.org
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10832342

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12325 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-08-17 09:03:08 +00:00
yangguo@chromium.org
071f7fdfc1 Do checks when receiving external string resources through the API.
This is to find incorrect API usage.

R=ulan@chromium.org
BUG=140050

Review URL: https://chromiumcodereview.appspot.com/10836236

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12308 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-08-14 12:16:38 +00:00
ulan@chromium.org
b49b32599b Make AdjustAmountOfExternalAllocatedMemory() more robust.
Do not crash if called from a thread without V8 isolate, reset the external
memory counters in case of overflow, bump the external allocation limit.

This will allow us to track typed array allocation and deallocation in WebKit.

BUG=v8:2022,122097,42342
R=jkummerow@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10837122

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12262 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-08-06 13:49:13 +00:00
yangguo@chromium.org
4e82c3fb1a Allow SetHiddenValue to accept empty value.
R=mstarzinger@chromium.org
BUG=v8:2274

Review URL: https://chromiumcodereview.appspot.com/10825196

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12257 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-08-06 07:55:05 +00:00
mstarzinger@chromium.org
ec11473354 When specifying a new create histogram callback, reset all histograms so they recreate themselves on next use.
We only do this for histograms, and not for counters, as counters might be used directly from generated code

BUG=none
TEST=none

Review URL: https://chromiumcodereview.appspot.com/10828113
Patch from Jochen Eisinger <jochen@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12248 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-08-01 12:51:24 +00:00
yangguo@chromium.org
514fc74a47 Limit initial size of hidden properties and store identity hashes inline.
BUG=v8:2211
TEST=test-heap/Regress2211

Review URL: https://chromiumcodereview.appspot.com/10827040

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12230 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
2012-07-30 13:09:09 +00:00