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Nikolaos Papaspyrou 710f2a4da2 Revert "[heap] Fix conservative stack scanning for client isolates" 
This reverts commit 36bac1bcae.

Reason for revert: This possibly caused clusterfuzz issues and test flakiness.

Original change's description:
> [heap] Fix conservative stack scanning for client isolates
>
> With this CL, the context of stacks corresponding to all client isolates
> are saved, so that conservative stack scanning can be used correctly
> during a shared garbage collection. This happens:
>
> 1) in Heap::PerformSharedGarbageCollection, for the stacks of the shared
>    isolate and the initiator;
> 2) when an isolate's main thread is waiting in a safepoint; and
> 3) when an isolate's main thread is parked.
>
> Bug: v8:13257
> Change-Id: I9ff060f2c0c1ec12977c70d67d65d9c543e2d165
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/4027210
> Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
> Reviewed-by: Omer Katz <omerkatz@chromium.org>
> Commit-Queue: Nikolaos Papaspyrou <nikolaos@chromium.org>
> Reviewed-by: Dominik Inführ <dinfuehr@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#84712}

No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:13257
Change-Id: I7eb50b24243084d45b3f1bcc37a559b9f92e0318
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/4092363
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Reviewed-by: Nico Hartmann <nicohartmann@chromium.org>
Owners-Override: Nico Hartmann <nicohartmann@chromium.org>
Commit-Queue: Nico Hartmann <nicohartmann@chromium.org>
Cr-Commit-Position: refs/heads/main@{#84749}
2022-12-09 10:50:35 +00:00
.github [github] Close PRs created on the V8 GitHub mirror automatically 2021-01-12 08:39:59 +00:00
bazel [bazel] Add hide symbols from release build 2022-11-22 10:00:46 +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
gni [reland] adds the ability for v8 to use sin/cos from libm 2022-12-02 21:59:04 +00:00
include [api] Add resizable getters to ArrayBuffer APIs 2022-12-07 21:32:31 +00:00
infra Doubling shards for slow tests on V8 Linux(64) - debug 2022-12-08 14:42:17 +00:00
samples [sandbox] Initialize sandbox during V8::Initialize 2022-07-15 09:29:32 +00:00
src Revert "[heap] Fix conservative stack scanning for client isolates" 2022-12-09 10:50:35 +00:00
test Revert "[heap] Fix conservative stack scanning for client isolates" 2022-12-09 10:50:35 +00:00
testing [test] Migrate cctest/test-api-accessors.cc to unittests/ 2022-05-17 08:27:55 +00:00
third_party [reland] adds the ability for v8 to use sin/cos from libm 2022-12-02 21:59:04 +00:00
tools [resultdb] Make suffixes more distinguishable 2022-12-08 15:38:51 +00:00
.bazelrc [bazel] Use v8_enable_handle_zapping only in debug builds. 2022-01-11 11:32:39 +00:00
.clang-format
.clang-tidy
.editorconfig
.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
.gitignore Adds sin/cos from glibc 2022-11-30 09:20:05 +00:00
.gn [fuchsia] Add API target level default value 2022-08-29 14:46:45 +00:00
.mailmap Add .mailmap entries for jgruber 2022-08-04 08:53:02 +00:00
.style.yapf [tools] Add basic pointer compression to grokdump 2022-02-04 14:35:26 +00:00
.vpython3 Reland "[resultdb] Add ResultDB indicator" 2022-10-14 11:05:59 +00:00
.ycm_extra_conf.py [ycm] Fix YouCompleteMe config 2022-11-02 15:59:48 +00:00
AUTHORS [fastcall] Support external pointers in fast api calls 2022-12-01 14:19:33 +00:00
BUILD.bazel Reland "[turboshaft] Port LateEscapeAnalysis" 2022-12-05 16:13:36 +00:00
BUILD.gn Include write barrier in JS shared heap buildrunner config 2022-12-06 12:45:34 +00:00
CODE_OF_CONDUCT.md
codereview.settings
COMMON_OWNERS [owners] Add mliedtke to COMMON_OWNERS 2022-09-16 14:12:27 +00:00
DEPS Update V8 DEPS (trusted) 2022-12-09 04:09:15 +00:00
DIR_METADATA Add DIR_METADATA files to v8. 2020-10-20 22:12:28 +00:00
ENG_REVIEW_OWNERS Add mlippautz@ to ENG_REVIEW_OWNERS. 2022-10-06 18:48:33 +00:00
INFRA_OWNERS [infra] Add alexschulze@ as infra owner 2022-07-18 09:08:54 +00:00
INTL_OWNERS add ftang as owner 2020-04-24 19:19:36 +00:00
LICENSE [mips32] Delete mips32 from v8 2022-09-13 07:54:54 +00:00
LICENSE.fdlibm
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 .ycm_extra_conf owned by COMMON_OWNERS 2022-11-07 09:51:53 +00:00
PPC_OWNERS Adding myself to relevant OWNERS files. 2020-11-02 16:37:28 +00:00
PRESUBMIT.py [gcmole] Simplify gcmole directives and add tests 2022-11-14 13:07:15 +00:00
README.md
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 Reland "[WATCHLISTS] Add riscv watch" 2022-08-19 07:33:57 +00:00
WORKSPACE [bazel] Remove zlib dependency 2022-08-17 15:30:25 +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.