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Michael Lippautz 656b1d64ea heap: Allow concurrent DescriptorArray write barrier 
The barrier checks whether an object has already been marked and
strongifies all values in case it was. This means that DescriptorArray
elements will not be reclaimed within the current garbage collection
cycle in case a write barrier triggers for the array.

Bug: v8:12133
Change-Id: I33df2f75d75527034a040275b6c55ac0aed94321
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3158325
Reviewed-by: Dominik Inführ <dinfuehr@chromium.org>
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/main@{#76906}
2021-09-17 13:16:10 +00:00
.github [github] Close PRs created on the V8 GitHub mirror automatically 2021-01-12 08:39:59 +00:00
bazel [bazel] Initial support to mjsunit tests 2021-08-09 14:12:02 +00:00
build_overrides [build] Remove obsolete gn flag 2021-01-11 15:50:59 +00:00
custom_deps Use relative paths to OWNERS files 2019-08-12 13:52:52 +00:00
docs Add OWNERS for docs/ 2019-05-15 12:06:15 +00:00
gni [LOONG64] Add LoongArch64 backend 2021-08-16 13:05:19 +00:00
include Simplify the V8VirtualMemoryCage implementation 2021-09-17 09:38:35 +00:00
infra [MB] Flip configs after Mac builder/tester split 2021-09-09 08:13:51 +00:00
samples Reland "[include] Split out v8.h" 2021-08-24 13:08:55 +00:00
src heap: Allow concurrent DescriptorArray write barrier 2021-09-17 13:16:10 +00:00
test [wasm] Support initial value for Table.grow 2021-09-17 12:55:14 +00:00
testing Fix config visibility violation in //testing/gmock 2021-09-08 12:11:23 +00:00
third_party Roll inspector-protocol to 32cf5f2bf4dc20c73ead291e68d2e2f6b638cd57 2021-07-09 13:01:24 +00:00
tools Reland "[DEPS] Add abseil to deps" 2021-09-17 09:00:01 +00:00
.bazelrc [bazel] Support build mode compilation 2021-07-13 10:14:16 +00:00
.clang-format [clang-format] Don't derive pointer alignment 2017-01-17 09:28:19 +00:00
.clang-tidy [tool] Remove unfixed clang-tidy warnings to ease use. 2018-10-26 07:40:32 +00:00
.editorconfig Add .editorconfig 2017-07-28 13:39:24 +00:00
.flake8 remove swarming_client 2021-08-24 10:39:33 +00:00
.git-blame-ignore-revs [infra] Update .git-blame-ignore-revs 2020-03-03 12:59:13 +00:00
.gitattributes .gitattributes: Mark minified emscripten js files as -diff 2018-09-19 16:27:10 +00:00
.gitignore remove swarming_client 2021-08-24 10:39:33 +00:00
.gn Revert "[build] Separate out inspector as a shared library" 2021-07-02 16:15:20 +00:00
.mailmap Restore consistency between .mailmap and AUTHORS 2021-06-24 08:58:04 +00:00
.vpython Verify mac-arm64 wheels for v8/.vpython spec. 2021-09-15 21:11:50 +00:00
.ycm_extra_conf.py [ycm] Fix python script 2021-07-29 09:48:32 +00:00
AUTHORS [date] Fix Date#getMinutes() test failures 2021-08-18 14:54:40 +00:00
BUILD.bazel [Temporal] Preparation Refactor 2 2021-09-14 19:47:18 +00:00
BUILD.gn [traphandler] Add arm64 simulator support on Windows 2021-09-17 11:42:13 +00:00
CODE_OF_CONDUCT.md
codereview.settings Make Gerrit the default code review for V8 2017-06-30 17:37:37 +00:00
COMMON_OWNERS Remove mythria@ from OWNERS 2021-08-26 13:21:32 +00:00
DEPS Reland "[DEPS] Add abseil to deps" 2021-09-17 09:00:01 +00:00
DIR_METADATA Add DIR_METADATA files to v8. 2020-10-20 22:12:28 +00:00
ENG_REVIEW_OWNERS Add verwaest@ to ENG_REVIEW_OWNERS. 2021-09-16 15:00:57 +00:00
INFRA_OWNERS Add team members as owners 2020-08-18 08:29:04 +00:00
INTL_OWNERS add ftang as owner 2020-04-24 19:19:36 +00:00
LICENSE [wasm] Draft version of C/C++ Wasm API 2019-04-17 16:00:26 +00:00
LICENSE.fdlibm Add LICENSE.fdlibm for all the fdlibm imported sources. 2016-06-09 07:17:03 +00:00
LICENSE.strongtalk
LICENSE.v8
LOONG_OWNERS [LOONG64] Add LoongArch64 backend 2021-08-16 13:05:19 +00:00
MIPS_OWNERS [mips] Add LiuYu to MIPS_OWNERS 2021-09-08 01:38:52 +00:00
OWNERS Make autoroll account owner of auto-updated file 2021-08-24 15:05:13 +00:00
PPC_OWNERS Adding myself to relevant OWNERS files. 2020-11-02 16:37:28 +00:00
PRESUBMIT.py [bigint] Move multiplication to src/bigint/ 2021-04-19 15:40:43 +00:00
README.md [docs] Change links from old wiki to v8.dev 2019-03-07 12:13:30 +00:00
RISCV_OWNERS Add Lu Yahan to RISC-V owners list 2021-09-13 16:35:00 +00:00
S390_OWNERS Adding myself to relevant OWNERS files. 2020-11-02 16:37:28 +00:00
WATCHLISTS cppgc: Report cppgc changes to oilpan-reviews@chromium.org 2021-08-30 14:28:32 +00:00
WORKSPACE [bazel] Adds ICU 2021-06-30 12:54:15 +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://v8.dev/docs

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 at v8.dev/docs/contribute.