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170 Commits

Author SHA1 Message Date
yangguo@chromium.org
c26b3c293d Do not rely on secure API functions when using MinGW-w64 
Windows XP does not provide secure API functions in msvcrt.dll but
newer versions of Windows do. Avoid using secure API functions for
compatibility with msvcrt.dll on Windows XP.

Contributed by net147@gmail.com

BUGS=
TEST=

Review URL: https://chromiumcodereview.appspot.com/12189010
Patch from Jonathan Liu <net147@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13603 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-02-06 10:59:50 +00:00
rossberg@chromium.org
9fc844b760 V8_Fatal now prints C++ stack trace in debug mode. 
Currently only supported on Linux. When compiled with GCC, also demangles C++ identifier names.

Should make debugging those flaky crashes on buildbots easier... :)

R=mstarzinger@chromium.org,ulan@chromium.org
BUG=

Review URL: https://codereview.chromium.org/11577019

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13222 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-12-14 14:27:06 +00:00
svenpanne@chromium.org
23d681c50b Removed RuntimeProfilerRateLimiter class and RuntimeProfiler::IsSomeIsolateInJS. 
Removing the former was basically a consequence of removing the latter. The net
effect is, apart from less code, that the signal sender thread is much more
explicit about its logic now.

Review URL: https://codereview.chromium.org/11543020

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13212 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-12-12 15:26:04 +00:00
svenpanne@chromium.org
17def81fc9 Use count-based profiling exclusively. 
Review URL: https://codereview.chromium.org/11437016

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13158 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-12-07 08:55:06 +00:00
jkummerow@chromium.org
bd69d3d5c3 Revert "Perform CPU sampling by CPU sampling thread only iff processing thread is not running." 
This reverts r12985.

Review URL: https://codereview.chromium.org/11428103

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13104 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-30 10:26:21 +00:00
jkummerow@chromium.org
79563b22c9 Faster implementation of Math.exp() 
Review URL: https://codereview.chromium.org/11418149

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13054 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-26 13:12:35 +00:00
jkummerow@chromium.org
7f824867f6 Perform CPU sampling by CPU sampling thread only iff processing thread is not running. 
- perform CPU profiler sampling in the sampler thread as we used to;
- skip sampling in the sampling thread if processing thread is running;
- only install SIGPROF handler when CPU profiling is enabled.

BUG=v8:2364

Review URL: https://codereview.chromium.org/11231002
Patch from Sergey Rogulenko <rogulenko@google.com> and Andrey Kosyakov <caseq@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12985 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-16 10:38:10 +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
jkummerow@chromium.org
62223bd2c0 Revert recent CPU profiler changes because they broke --prof. 
This reverts r12649 and r12650.

BUG=v8:2364

Review URL: https://codereview.chromium.org/11193020

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12745 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-17 12:24:31 +00:00
jkummerow@chromium.org
e0c7d8301f Revert "Adding a high-resolution timer to platform win32." 
This reverts r12651.

Review URL: https://codereview.chromium.org/11033014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12652 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-02 11:07:26 +00:00
jkummerow@chromium.org
bdc466422b Adding a high-resolution timer to platform win32. 
BUG=None

Review URL: https://codereview.chromium.org/10867057
Patch from Sergey Rogulenko <rogulenko@google.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12651 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-02 10:59:44 +00:00
jkummerow@chromium.org
ecc7f4baad Replacing circular queue by single buffer in CPU Profiler. 
BUG=None

Review URL: https://codereview.chromium.org/10871039
Patch from Sergey Rogulenko <rogulenko@google.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12650 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-02 10:51:00 +00:00
jkummerow@chromium.org
dfb4218a04 Moving cpu profiling into its own thread. 
BUG=None

Review URL: https://codereview.chromium.org/10857035
Patch from Sergey Rogulenko <rogulenko@google.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12649 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-10-02 09:58:11 +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
mstarzinger@chromium.org
97cbaec08a Add OS::GetCurrentProcessId and prepend output from trace-gc with the current pid 
BUG=none
TEST=manual

Review URL: https://chromiumcodereview.appspot.com/9817002
Patch from Jochen Eisinger <jochen@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12032 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-07-10 12:52:36 +00:00
yangguo@chromium.org
db509d17e6 Handle EINTR in socket functions and continue incomplete sends. 
Based on a patch by Ben Noordhuis <info@bnoordhuis.nl>.

BUG=v8:2098
TEST=

Review URL: https://chromiumcodereview.appspot.com/10416006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11609 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-05-21 12:58:48 +00:00
yangguo@chromium.org
0bfedfb584 Make socket send and receive more robust and return 0 on failure. 
R=jkummerow@chromium.org
BUG=15719
TEST=

Review URL: https://chromiumcodereview.appspot.com/10412021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11601 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-05-21 10:02:49 +00:00
yangguo@chromium.org
bf630e2371 Fix MinGW-w64 GCC 4.7 compilation 
Contributed by net147@gmail.com

BUGS=
TEST=

Review URL: https://chromiumcodereview.appspot.com/10019012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11357 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-04-17 14:53:06 +00:00
svenpanne@chromium.org
b1e95913a0 Valgrind cleanliness, part 6: Introduce OS::TearDown, cleaning up 2 mutexes. 
Review URL: https://chromiumcodereview.appspot.com/10084003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11320 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-04-13 14:08:31 +00:00
danno@chromium.org
db86043160 Minimize uses of lazy initialization by adding explicit initialization functions. 
BUG=118686

Review URL: https://chromiumcodereview.appspot.com/9976003
Patch from Philippe Liard <pliard@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11239 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-04-05 14:10:39 +00:00
danno@chromium.org
7c23b744fb Fix broken build on Windows due to r11198. 
This also fixes a style issue in lazy-instance.h.

Review URL: https://chromiumcodereview.appspot.com/9960006
Patch from Philippe Liard <pliard@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11201 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-30 20:48:32 +00:00
danno@chromium.org
63f033576c Fix performance regressions due to lazy initialization. 
This CL:
- Adds a new trait parameter to LazyInstance to let it initialize the instance
  without paying the cost of atomic operations (which are expensive on Mac).
  This only works for users who don't care about thread-safety and this is now
the default initialization trait used by LazyInstance in v8.

- Reverts the changes that were made in r11010 in isolate.{cc,h}. That lets
  Isolate's accessors be as cheap as they were before (but adds one static initializer).

- Adds OS::PostSetup() used to initialize the math functions which depend on CPU features.
That lets the math functions get rid of CallOnce().

BUG=118686

Review URL: https://chromiumcodereview.appspot.com/9873023
Patch from Philippe Liard <pliard@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11198 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-30 14:30:46 +00:00
ulan@chromium.org
2b3d6de2dd Resynchronize timers if the Windows system time was changed. 
R=jkummerow@chromium.org
BUG=119815
TEST=Change the system time one day back: (new Date()) will return incorrect time.

Review URL: https://chromiumcodereview.appspot.com/9865021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11165 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-27 12:34:32 +00:00
ulan@chromium.org
7a1cbb2db8 Remove dependency on _mkgmtime to determine local timezone offset 
BUGS=v8:1386
TEST=

Review URL: https://chromiumcodereview.appspot.com/9600018
Patch from Jonathan Liu <net147@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11148 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-27 08:46:32 +00:00
danno@chromium.org
6e1f8780f9 Add flag to always call DebugBreak on abort 
R=vegorov@chromium.org

Review URL: https://chromiumcodereview.appspot.com/9706097

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11068 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-16 13:43:04 +00:00
yangguo@chromium.org
9a110acaa8 Remove static Mutex from math function intializers. 
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9662064

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11015 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-12 17:15:13 +00:00
fschneider@chromium.org
56e9118f56 Use lazy instance initializer to remove static initializers in two places. 
Review URL: https://chromiumcodereview.appspot.com/9664067

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11014 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-12 16:10:53 +00:00
yangguo@chromium.org
7659beafb1 Ensure consistency of Math.sqrt on Intel platforms. 
BUG=
TEST=regress-sqrt.js

Review URL: https://chromiumcodereview.appspot.com/9690010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11012 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-12 14:56:04 +00:00
fschneider@chromium.org
12c09fdfe4 Fix broken build on Win32 due to r11010. 
Review URL: https://chromiumcodereview.appspot.com/9666055

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11011 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-12 14:41:59 +00:00
fschneider@chromium.org
1f7d42efc9 Landing for pliard@chromium.org: Remove static initializers in v8. 
This change includes two CLs by pliard@chromium.org:

1. http://codereview.chromium.org/9447052/ (Add CallOnce() and simple LazyInstance implementation):

Note that this implementation of LazyInstance does not handle global destructors (i.e. the lazy instances are never deleted).

This CL was initially reviewed on codereview.appspot.com:
http://codereview.appspot.com/5687064/



2.  http://codereview.chromium.org/9455088/ (Remove static initializers in v8):
This CL depends on CL 9447052 (adding CallOnce and LazyInstance).
It is based on a patch sent by Digit.

With this patch applied, we have only one static initializer left (in atomicops_internals_x86_gcc.cc). This static initializer populates a structure used by x86 atomic operations. It seems that we can hardly remove it. If possible, it will be removed in a next CL. 

This CL also modifies the presubmit script to check the number of static initializers.


BUG=v8:1859
Review URL: https://chromiumcodereview.appspot.com/9666052

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11010 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-12 13:56:56 +00:00
yangguo@chromium.org
71c5924e63 Simplify silent abort by raising SIGABRT directly. 
Review URL: https://chromiumcodereview.appspot.com/9597012
Patch from Jonathan Liu <net147@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10916 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-05 09:52:14 +00:00
yangguo@chromium.org
5ce562cda8 Reland r10908 (Ensure consistent result of transcendental function0.) 
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9583037

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10915 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-05 08:17:16 +00:00
yangguo@chromium.org
4279f87395 Revert r10913. 
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9602006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10914 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-05 07:55:27 +00:00
yangguo@chromium.org
df78fcc384 Set x86 FPU precision to 64-bit for MinGW. Original patch by Jonathan Liu <net147@gmail.com>. 
BUG=v8:1062
TEST=test-strtod.cc

Review URL: https://chromiumcodereview.appspot.com/9599006
Patch from Jonathan Liu <net147@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10913 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-04 10:49:25 +00:00
yangguo@chromium.org
2a2474d297 Fix MinGW-w64 compilation 
Contributed by net147@gmail.com

BUGS=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9581045
Patch from Jonathan Liu <net147@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10912 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-03 11:07:29 +00:00
yangguo@chromium.org
2f7dfd7f6d Fix MinGW64 build. 
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9584047

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10911 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-03 10:19:12 +00:00
yangguo@chromium.org
f2699b66cf Revert r10908 due to flakiness and crashes. 
BUG=
TEST=

Review URL: https://chromiumcodereview.appspot.com/9580007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10909 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-02 15:00:52 +00:00
yangguo@chromium.org
12f2099993 Ensure consistent result of transcendental functions. 
BUG=
TEST=regress-transcendental.js

Review URL: https://chromiumcodereview.appspot.com/9572009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10908 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-03-02 14:33:15 +00:00
vegorov@chromium.org
fbc230e42b Ensure that executable pages are properly guarded. 
Split executable memory chunks into two pieces: header with all metadata (protection: RW) and body (protection: RWX). Separate header from metadata with a guard page and add a guard page after the page body.

R=erik.corry@gmail.com
BUG=http://crbug.com/115151

Review URL: https://chromiumcodereview.appspot.com/9452002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10809 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-02-23 12:11:24 +00:00
vegorov@chromium.org
4c92b67374 RandomizedVirtualAlloc should check for isolate presence instead of using Isolate::Current() 
CpuFeatures::Probe request executable memory before any isolate is initialized and entered.

TBR=erik.corry@gmail.com

Review URL: https://chromiumcodereview.appspot.com/9433051

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10798 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-02-22 19:47:57 +00:00
vegorov@chromium.org
283098fdcb Randomize allocation addresses on windows. 
BUG=115151

Review URL: https://chromiumcodereview.appspot.com/9372083
Patch from Cris Neckar <cdn@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10797 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-02-22 17:21:55 +00:00
yangguo@chromium.org
0f348c9208 Fix compilation with MinGW-w64. 
BUG=v8:1943
TEST=

Review URL: https://chromiumcodereview.appspot.com/9428027
Patch from Jonathan Liu <net147@gmail.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10793 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-02-22 12:26:36 +00:00
erik.corry@gmail.com
79112684b5 Increase size of small stacks from 32k to 64k to avoid hitting 
limits in Chromium.
http://code.google.com/p/chromium/issues/detail?id=112843
Review URL: https://chromiumcodereview.appspot.com/9353006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10615 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-02-07 08:00:36 +00:00
erik.corry@gmail.com
ee1d0fc5c6 Reduce the space used by the stack for the profiling thread. 
Review URL: https://chromiumcodereview.appspot.com/9117032

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10490 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-24 15:48:16 +00:00
yangguo@chromium.org
11e779185b Parallelize cpplint in presubmit and fix usage of DISALLOW_* macros. 
BUG=v8:1653

Review URL: https://chromiumcodereview.appspot.com/9192010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10465 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-20 16:17:08 +00:00
erik.corry@gmail.com
a02dbe4258 Revert 10413-10416 initial memory use reduction due to 
test failures.
Review URL: http://codereview.chromium.org/9178014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10417 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-17 13:13:55 +00:00
erik.corry@gmail.com
3403e76682 Reduce boot-up memory use of V8. 
Reduce signal sender thread stack size to 32k.
Commit partial old-space pages to reduce minimum memory use.
This is a rebase of http://codereview.chromium.org/9017009/
Review URL: http://codereview.chromium.org/9179012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10413 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-17 11:38:25 +00:00
erik.corry@gmail.com
70da367f6b More spelling changes. 
Review URL: http://codereview.chromium.org/9231009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10407 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-16 12:38:59 +00:00
erik.corry@gmail.com
b3e0761e38 Cosmetic changes ("set up" is a verb, "setup" is a noun). 
Review URL: http://codereview.chromium.org/9139051

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10399 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-01-13 13:09:52 +00:00