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Author SHA1 Message Date
yangguo@chromium.org
fe243379f8 Decouple CpuFeatures from serializer state. 
Traditionally, we cross compile a snapshot iff the serializer is enabled.
This will change in the future.

Changes:
 - CpuFeatures probing is done once per process, depending on whether we
   cross compile.
 - CpuFeatures are consolidated into the platform-independent assembler.h
   as much as possible.
 - FLAG_enable_<feature> will only be checked at probing time (already the
   case for ARM).
 - The serializer state is cached by the MacroAssembler.
 - PlatformFeatureScope is no longer necessary.
 - CPUFeature enum values no longer map to CPUID bit fields.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/285233010

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21347 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-16 15:18:24 +00:00
svenpanne@chromium.org
9e1abe4d68 Reland "Removed default Isolate." 
Changes compared to original CL: Until the Serializer/Isolate chaos is
cleaned up, we can't initalize/dispose cctests in a tidy way, see
cctest.cc.

BUG=359977
LOG=y
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/267383002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21205 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-09 08:40:18 +00:00
svenpanne@chromium.org
e9e373e8c9 Revert "Removed default Isolate." 
This reverts commit r21167, cctest/test-serialize has to be fixed first.

TBR=dcarney@chromium.org

Review URL: https://codereview.chromium.org/267163002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21170 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-06 13:06:12 +00:00
svenpanne@chromium.org
9b4bd33551 Removed default Isolate. 
There is probably room for more cleanup after this...

BUG=359977
LOG=y
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/262163006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21167 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-05-06 11:48:26 +00:00
bmeurer@chromium.org
d4b533d41b Bulk update of Google copyright headers in source files. 
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/259183002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21035 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-29 06:42:26 +00:00
svenpanne@chromium.org
2fe0f48d39 Simplified CPU/CpuFeatures a bit. 
This is a necessary intermediate step to disentangle the startup.

In the long run CPU and CpuFeatures should probably be merged,
and Serializer::enabled usage should be radically reduced, but
we're not there yet.

BUG=359977
LOG=y
R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/258993002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@21001 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-28 08:18:38 +00:00
vogelheim@chromium.org
331cc8a278 Implement --omit, --raw_[context_]file=... for mksnapshot tool. 
These switches are analogous to --omit and --raw for js2c.py.
The goal it to allow embedders to externally load all (or generate) the V8 startup data.

There's a bit of gratuitous refactoring with the writing logic that helped me understand the code. Let me know if it's not an improvement.

BUG=355539
LOG=N
R=jochen@chromium.org, svenpanne@chromium.org

Review URL: https://codereview.chromium.org/249283002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20941 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-24 12:31:10 +00:00
svenpanne@chromium.org
eeb1d7020e Revert "Simplify v8/Isolate teardown." 
This reverts commit r20876, it broke non-snapshot tests.

TBR=bmeurer@chromium.org

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20879 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-22 10:45:43 +00:00
svenpanne@chromium.org
618ff3a3f5 Simplify v8/Isolate teardown. 
This implies that one better has a v8::V8::Initialize when v8::V8::Dispose is used.

BUG=359977
LOG=y
R=jochen@chromium.org

Review URL: https://codereview.chromium.org/238353015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20876 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-22 09:24:56 +00:00
mvstanton@chromium.org
9ce1c5144a Serializer enable/disable flags need thread safety. 
BUG=
R=hpayer@chromium.org, svenpanne@chromium.org

Review URL: https://codereview.chromium.org/240193002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20855 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-04-17 14:45:06 +00:00
svenpanne@chromium.org
a5af872994 Exit mksnapshot cleanly, making LSAN happy. 
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/137823009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18904 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2014-01-29 13:30:38 +00:00
jochen@chromium.org
a294defe9b Remove usage of deprecated APIs from v8 itself 
Also turn on depreaction warnings

BUG=v8:3023
R=svenpanne@chromium.org, dcarney@chromium.org
LOG=n

Review URL: https://codereview.chromium.org/83323003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18008 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-11-22 12:28:58 +00:00
svenpanne@chromium.org
22b9adce49 Have mercy and don't kill the Context::Scope immediately after birth. 
BUG=v8::2994
R=dcarney@chromium.org

Review URL: https://codereview.chromium.org/68693003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17627 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-11-12 07:03:59 +00:00
svenpanne@chromium.org
847f4ce616 Removed dead code from mksnapshot. 
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/28683002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@17262 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-10-18 09:06:58 +00:00
dcarney@chromium.org
44afd2a5f9 don't use default isolate in mksnapshot 
R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/24258006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16869 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-20 13:19:40 +00:00
jochen@chromium.org
c5b3ce0671 Snapshot i18n Javascript code 
The previous attempt used Boolean instead of $Boolean.

BUG=v8:2745
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/23622028

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16687 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-12 13:50:38 +00:00
dcarney@chromium.org
cc2257b92a move HEAP to /test 
R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23468021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16631 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-11 07:14:41 +00:00
dcarney@chromium.org
bb01557abf remove Isolate::Current from most files starting with 's' through 'v' 
R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/23549011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16507 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-03 11:54:08 +00:00
svenpanne@chromium.org
625874a48c Deprecate Persistent functions which were marked to be deprecated. 
BUG=
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/23707009

Patch from Marja Hölttä <marja@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16493 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-09-03 07:34:34 +00:00
jkummerow@chromium.org
caba24c813 Revert "Snapshot i18n Javascript code" and "Fix mjsunit/debug-script after r16298". 
This reverts r16298 and r16303 due to ChromeOS browser_tests failures ("Uncaught ReferenceError: Boolean is not defined" in --gtest_filter="FileDisplay/FileManagerBrowserTest.Test/0" and others)

R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/23414008

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16336 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-26 17:00:58 +00:00
jochen@chromium.org
064c91be57 Snapshot i18n Javascript code 
BUG=v8:2745
R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/23304005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16298 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-08-23 13:24:48 +00:00
jochen@chromium.org
97409c2363 Move InitializeICU() to the V8 API and use it. 
I can't get rid of the enable_i18n flag yet, as we need to be able to
turn off all extensions for creating the snapshot.

BUG=v8:2745
R=jkummerow@chromium.org

Review URL: https://codereview.chromium.org/18860007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15618 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-11 09:58:54 +00:00
jkummerow@chromium.org
56ab3e3404 Import the v8-i18n extension into v8 
This adds the gyp flag v8_enable_i18n_support (off by default), and the
v8 flag FLAG_enable_i18n (on by default, but without effect if
v8_enable_i18n_support is off).

BUG=v8:2745
R=cira@chromium.org, danno@chromium.org, jkummerow@chromium.org

Review URL: https://codereview.chromium.org/18487004

Patch from Jochen Eisinger <jochen@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15464 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-07-03 11:22:29 +00:00
dcarney@chromium.org
8b2c26d736 remove most uses of raw handle constructors 
R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/15817014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15107 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-13 09:27:09 +00:00
danno@chromium.org
1b89cbf817 Separate Cell and PropertyCell spaces 
This makes it possible to store additional information on property cells, for example Type and optimized Code dependencies.

R=mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/16631002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15089 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-06-12 15:03:44 +00:00
dcarney@chromium.org
fec64cd698 remove most remaining V8_ALLOW_ACCESS_TO* defines 
R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/15994003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14870 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-29 08:39:37 +00:00
dcarney@chromium.org
d4fd9db342 fix nosnapshot test failure in 14793004, do not deprecate function 
BUG=
TBR=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/14947005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14585 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-08 07:45:16 +00:00
mstarzinger@chromium.org
04a5b3d6b6 Revert "deprecate Context::New which returns Persistent" 
This reverts r14573 because of test failures in no-snapshot mode in the
cctest/test-debug/ScriptCollectedEventContext test case.

TBR=dcarney@chromium.org,svenpanne@chromium.org
TEST=cctest/test-debug/ScriptCollectedEventContext

Review URL: https://codereview.chromium.org/15038002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14578 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-07 16:28:51 +00:00
dcarney@chromium.org
386de8010b deprecate Context::New which returns Persistent 
BUG=
TBR=marja@chromium.org

Review URL: https://codereview.chromium.org/14793004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14573 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-07 13:29:24 +00:00
dcarney@chromium.org
cf5ff5a14c first step to remove unsafe handles 
R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/12729023

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14530 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-05-02 20:18:42 +00:00
svenpanne@chromium.org
0c63e8d698 Also print the exception when mksnapshot failed to compile extra code. 
Before, it would only print the exception when it failed to run the code

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/14031036

Patch from Jochen Eisinger <jochen@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14478 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-04-29 11:49:24 +00:00
svenpanne@chromium.org
53310ac152 Added a version of the v8::HandleScope constructor with an Isolate and use that consistently. 
I tried to limit the use of v8::Isolate::GetCurrent() and v8::internal::Isolate::Current() as much as possible, but sometimes this would have involved restructuring tests quite a bit, which is better left for a separate CL.

BUG=v8:2487

Review URL: https://codereview.chromium.org/12716010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13953 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-03-15 12:06:53 +00:00
svenpanne@chromium.org
52d10a68cb Add Isolate parameter to Persistent class. 
BUG=v8:2487

Review URL: https://codereview.chromium.org/12033011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13501 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-25 08:31:46 +00:00
erik.corry@gmail.com
5a8d1764bc Refactoring of snapshots. This simplifies and improves 
the speed of deserializing code.  The current startup
time improvement for V8 is around 6%, but code deserialization
is speeded up disproportionately, and we will soon have more
code in the snapshot.
* Removed support for deserializing into large object space.
  The regular pages are 1Mbyte now and that is plenty.  This
  is a big simplification.
* Instead of reserving space for the snapshot we actually
  allocate it now.  This removes some special casing from
  the memory management and simplifies deserialization since
  we are just bumping a pointer rather than calling the
  normal allocation routines during deserialization.
* Record in the snapshot how much we need to boot up and
  allocate it instead of just assuming that allocations in
  a new VM will always be linear.
* In the snapshot we always address an object as a negative
  offset from the current allocation point.  We used to
  sometimes address from the start of the deserialized data,
  but this is less useful now that we have good support for
  roots and repetitions in the deserialization data.
* Code objects were previously deserialized (like other
  objects) by alternating raw data (deserialized with memcpy)
  and pointers (to external references, other objects, etc.).
  Now we deserialize code objects with a single memcpy,
  followed by a series of skips and pointers that partially
  overwrite the code we memcopied out of the snapshot.
  The skips are sometimes merged into the following
  instruction in the deserialization data to reduce dispatch
  time.
* Integers in the snapshot were stored in a variable length
  format that gives a compact representation for small positive
  integers.  This is still the case, but the new encoding can
  be decoded without branches or conditional instructions,
  which is faster on a modern CPU.
Review URL: https://chromiumcodereview.appspot.com/10918067

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12505 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-09-14 11:16:56 +00:00
erik.corry@gmail.com
000519013f Remove unused variable in mksnapshot.cc. 
Review URL: https://chromiumcodereview.appspot.com/10559078

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11874 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-06-20 08:14:31 +00:00
erikcorry
458e87fd05 Snapshots: Add --extra-code flag to mksnapshot which lets you specify a file 
with more JS code that is loaded into the VM before writing the snapshot.  Get
rid of the hard coded limit on the partial snapshot cache size.  This change
disables most of the serializer tests for the snapshot build of the VM: It's
getting too complicated to support both booting from a snapshot and then
creating a new snapshot from the same VM or loading more code with another
snapshot in the same VM.
Review URL: http://codereview.chromium.org/10574013

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11871 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-06-19 18:38:03 +00:00
erikcorry
634ffc9600 Report syntax errors in natives when building with mksnapshot. 
Review URL: http://codereview.chromium.org/10443085

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11687 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-05-31 12:26:36 +00:00
vegorov@chromium.org
a7b0481b6d Tweak compaction candidate selection to avoid keeping page with low occupancy around. 
Increase slots buffer chain length to 15 to make compaction more aggressive and usefull.

Pass gc and collector selection reasons to GCTracer to allow more meaningull --gc-trace.

Print fragmentation of spaces that we do not compact.

R=erik.corry@gmail.com

Review URL: https://chromiumcodereview.appspot.com/9323007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10601 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-02-03 14:16:40 +00:00
vegorov@chromium.org
a2159a6bb9 Fix GCC 4.7 warnings, which are related to char being signed in GCC 
("narrowing conversion ... inside { } is ill-formed in C++11").

* src/mksnapshot.cc: Cast "char" to "unsigned char" when outputting snapshot.
* test/cctest/test-regexp.cc: Use static_cast to uc16 as the char
literal is signed.

Review URL: http://codereview.chromium.org/8825003
Patch from Tobias Burnus <burnus@net-b.de>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10241 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-12-13 13:02:08 +00:00
erik.corry@gmail.com
8f9721bbbf Shave 39% from snapshot size. 
Review URL: http://codereview.chromium.org/8344079

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9722 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-10-20 12:27:10 +00:00
vegorov@chromium.org
ac36cb4504 Merge experimental/gc branch to the bleeding_edge. 
Review URL: http://codereview.chromium.org/7945009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9328 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-19 18:36:47 +00:00
mikhail.naganov@gmail.com
29bb1f8d62 Remove STL dependencies from mksnapshot.cc 
Remove unused code and consequently the stl includes of map and string.

R=mnaganov@chromium.org

Review URL: http://codereview.chromium.org/7737012/

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9125 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-09-05 08:06:29 +00:00
mikhail.naganov@gmail.com
58824435d1 Pick the namespace alias 'i' from v8.h. 
These files already include v8.h so they don't need to define the
namespace alias again.

Signed-off-by: Thiago Farina <tfarina@chromium.org>

Review URL: http://codereview.chromium.org/7640012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8919 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-08-12 09:49:55 +00:00
sgjesse@chromium.org
8a6108de95 Remove the ability to compile without logging and profiling 
The preprocessor defines ENABLE_LOGGING_AND_PROFILING and ENABLE_VMSTATE_TRACKING has been removed as these where required to be turned on for Crankshaft to work. To re-enable reducing the binary size by leaving out heap and CPU profiler a new set of defines needs to be created.

R=ager@chromium.org

BUG=v8:1271
TEST=all

Review URL: http://codereview.chromium.org//7350014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8622 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-07-13 09:09:04 +00:00
mikhail.naganov@gmail.com
f1309b0417 Compress sources of JS libraries in addition to the snapshot. 
This saves ~170K on current sources.

R=sgjesse@chromium.org
BUG=none
TEST=none

Review URL: http://codereview.chromium.org/7066048

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8189 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-06-06 20:47:30 +00:00
mikhail.naganov@gmail.com
9a2cb3009c Fix whitespace error after r7726 
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7727 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-04-29 12:47:34 +00:00
mikhail.naganov@gmail.com
7a8996b626 Fix Linux builds after r7724 
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7726 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-04-29 12:43:24 +00:00
mikhail.naganov@gmail.com
ec58c05f4e Add support for startup data (snapshot) compression. 
This is for mobile platforms where application footprint size is
important. To avoid including compression libraries into V8, we assume
that the host machine have them (true for Linux), and rely on embedder
to provide decompressed data.

Currently, only snapshot data can be comressed. It is also possible to
compress libraries sources, but it is more involved and will be
addressed in another CL.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/6901090

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7724 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-04-29 12:08:33 +00:00
vitalyr@chromium.org
7976ca2cbc Merge isolates to bleeding_edge. 
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7271 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-03-18 20:35:07 +00:00
vitalyr@chromium.org
76e226f832 Revert r7268: it borked the history. 
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7269 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2011-03-18 19:41:05 +00:00