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Seth Brenith c462b8fba1 Fix failing test test-debug-helper/GetObjectProperties 
This test sets a value to zero to simulate not knowing where read-only
space starts, since v8::debug_helper code often must work with only
partial information. However, the zero value persisted to another part
of the test which expected a precise result, and could cause a test
failure if an object happened to be allocated at the same offset from
its containing chunk as a known read-only object. This CL fixes the
test to only use the zero value during the steps that need it.

Bug: v8:13646
Change-Id: I90f1593bf9b5bb36177ee904a910a183384a4e64
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/4178630
Reviewed-by: Marja Hölttä <marja@chromium.org>
Commit-Queue: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/main@{#85385}
2023-01-19 10:00:28 +00:00
.github [github] Close PRs created on the V8 GitHub mirror automatically 2021-01-12 08:39:59 +00:00
bazel [turbofan] Add the v8_enable_turbofan build option 2023-01-11 10:57:54 +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 Disable TF in lite mode 2023-01-12 09:54:54 +00:00
include [sandbox] Reduce max size of ExternalPointerTable on Android 2023-01-17 16:58:54 +00:00
infra [gcmole] Run gcmole on bots with matching architecture 2023-01-17 13:56:18 +00:00
samples [sandbox] Initialize sandbox during V8::Initialize 2022-07-15 09:29:32 +00:00
src [heap] Remove --global-gc-scheduling flag 2023-01-19 09:12:50 +00:00
test Fix failing test test-debug-helper/GetObjectProperties 2023-01-19 10:00:28 +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 Remove remnant code for read-only builtin trampolines 2023-01-19 08:06:05 +00:00
.bazelrc [bazel] Use v8_enable_handle_zapping only in debug builds. 2022-01-11 11:32:39 +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 [git blame] Add a few old refactors to .git-blame-ignore-revs 2023-01-04 15:43:38 +00:00
.gitattributes .gitattributes: Mark minified emscripten js files as -diff 2018-09-19 16:27:10 +00:00
.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 RegExp.flags: check individual flags in correct order 2023-01-18 18:43:39 +00:00
BUILD.bazel [heap] Remove LocalEmbedderHeapTracer 2023-01-18 09:36:32 +00:00
BUILD.gn [heap] Remove LocalEmbedderHeapTracer 2023-01-18 09:36:32 +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
COMMON_OWNERS [owners] Add mliedtke to COMMON_OWNERS 2022-09-16 14:12:27 +00:00
DEPS Update V8 DEPS (trusted) 2023-01-19 03:58:51 +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 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
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 [presubmit] Handle Windows path for header guard check 2022-12-13 17:30:02 +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 Add a WATCHLIST entry for trap-handler 2023-01-18 09:00:37 +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.