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Andreas Haas 793c52ed26 [wasm] Improve stack check in the interpreter 
The existing stack check only checked the number of stack frames on the
stack, not the actual size of the stack frames. In the test case, each
stack frame is huge, and the interpreter runs out of memory before the
stack check stops the execution. With this change we take the size of
the value stack and the size of the control stack and compare their sum
to the stack limit of V8. Note that this stack limit is kind of
arbitrary, because the stack space of the interpreter is not on the
actual runtime stack but allocated in zone memory, and the stack check
exists to simulate stack overflows in compiled code, not to prevent
actual stack overflows.

R=clemensh@chromium.org
TEST=mjsunit/regress/wasm/regress-778917

Bug: chromium:778917
Change-Id: Ife47631fcb1a178a68facab1e42c0069b12c0155
Reviewed-on: https://chromium-review.googlesource.com/744003
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#49071}
2017-11-02 10:10:27 +00:00
benchmarks Fix common misspellings 2017-08-02 09:35:28 +00:00
build_overrides Remove build_override for macOS min SDK and deployment target. 2017-07-14 18:24:44 +00:00
docs [Docs] Removed unused docs because they are moved to GitHub 2015-11-19 10:23:30 +00:00
gni [test] Fix isolate for auto-detect in gyp 2017-10-19 11:52:11 +00:00
gypfiles [test] Continued test support for make targets 2017-10-20 15:01:51 +00:00
include [compiler] Split compilation timer on caching decision 2017-11-01 17:10:45 +00:00
infra [CQ] Use non-luci fuchsia bots for cq experiment 2017-10-30 12:45:10 +00:00
samples [presubmit] Enable and fix "build/namespaces" linter check. 2017-09-04 11:24:26 +00:00
src [wasm] Improve stack check in the interpreter 2017-11-02 10:10:27 +00:00
test [wasm] Improve stack check in the interpreter 2017-11-02 10:10:27 +00:00
testing Use GTEST_LANG_CXX11 in V8 2016-07-25 13:06:42 +00:00
third_party Add colorama package to DEPS so that pylib can import it 2017-10-24 14:18:49 +00:00
tools Whitespace change to trigger bots 2017-10-31 14:10:42 +00:00
.clang-format [clang-format] Don't derive pointer alignment 2017-01-17 09:28:19 +00:00
.editorconfig Add .editorconfig 2017-07-28 13:39:24 +00:00
.git-blame-ignore-revs [build] Add DEPS formatting to hyper-blame 2017-10-09 14:08:45 +00:00
.gitignore Add colorama package to DEPS so that pylib can import it 2017-10-24 14:18:49 +00:00
.gn For building v8 using gn on aix_ppc64, linux_s390x and linux_ppc64(both LE and BE). 2017-05-12 01:35:09 +00:00
.vpython Add a comment for the VPython dep 2017-10-25 12:23:35 +00:00
.ycm_extra_conf.py Use C++11 / gnu++11, not 0x 2016-03-22 15:24:43 +00:00
AUTHORS [modules] Optimize import.meta in the interpreter 2017-10-20 20:31:49 +00:00
BUILD.gn Reland "[build] Include deopt-fuzzer isolates on fuzzer builders" 2017-10-31 13:45:53 +00:00
ChangeLog [Release] Update ChangeLog file 2016-02-17 21:29:09 +00:00
CODE_OF_CONDUCT.md Explicitly state that the Chromium Code of Conduct also applies to V8 2016-03-02 09:51:24 +00:00
codereview.settings Make Gerrit the default code review for V8 2017-06-30 17:37:37 +00:00
DEPS Update V8 DEPS. 2017-11-01 03:55:44 +00:00
LICENSE Updates to the license information of third party components. 2015-06-16 12:37:50 +00:00
LICENSE.fdlibm Add LICENSE.fdlibm for all the fdlibm imported sources. 2016-06-09 07:17:03 +00:00
LICENSE.strongtalk Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
LICENSE.v8 Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
LICENSE.valgrind Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
Makefile [test] Continued test support for make targets 2017-10-20 15:01:51 +00:00
Makefile.android [build] Fix d8-for-Android builds 2016-05-20 12:10:45 +00:00
OWNERS Add eholk and gdeepti to toplevel owners 2017-08-12 07:07:29 +00:00
PRESUBMIT.py [iwyu] Turn inclusion presubmit warning into and error. 2017-09-14 10:17:58 +00:00
README.md [Docs] Removed unused docs because they are moved to GitHub 2015-11-19 10:23:30 +00:00
snapshot_toolchain.gni MIPS[64]: Add support for big endian build using GN 2017-06-02 15:02:18 +00:00
WATCHLISTS [V8Tracing] Add lpy@ and fmeawad@ into watchlist for tracing/. 2017-05-22 19:40:17 +00:00

README.md

V8 JavaScript Engine

V8 is Google's open source JavaScript engine.

V8 implements ECMAScript as specified in ECMA-262.

V8 is written in C++ and is used in Google Chrome, the open source browser from Google.

V8 can run standalone, or can be embedded into any C++ application.

V8 Project page: https://github.com/v8/v8/wiki

Getting the Code

Checkout depot tools, and run

    fetch v8

This will checkout V8 into the directory v8 and fetch all of its dependencies. To stay up to date, run

    git pull origin
    gclient sync

For fetching all branches, add the following into your remote configuration in .git/config:

    fetch = +refs/branch-heads/*:refs/remotes/branch-heads/*
    fetch = +refs/tags/*:refs/tags/*

Contributing

Please follow the instructions mentioned on the V8 wiki.