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Leszek Swirski acb8fefa02 [compiler] Hold Handles for finalization data 
Avoid the SFI lookup in the script's weak SFI list, which could fail if
the function was somehow GCed between allocation and finalization, and
instead hold a Handle to each finalizing SFI in the finalization data
structure.

For similar reasons, also check that the compiled function to have its
compilation finalized is still compiled by that point, because it could
have been bytecode flushed.

Bug: chromium:1081691
Change-Id: I4e1f681263473a966e782b23291636d10a9209c5
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2199349
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Auto-Submit: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/master@{#67802}
2020-05-14 14:51:53 +00:00
build_overrides tracing: Enable using Perfetto client library from Chromium 2020-05-11 11:17:57 +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 tracing: Enable using Perfetto client library from Chromium 2020-05-11 11:17:57 +00:00
include cppgc: Add TraceCallback to GCInfo 2020-05-13 23:53:43 +00:00
infra [infra] Add nci variant and enable it on fyi bots 2020-05-13 07:32:40 +00:00
samples [api] Create v8::String::NewFromLiteral that returns Local<String> 2020-03-09 12:02:07 +00:00
src [compiler] Hold Handles for finalization data 2020-05-14 14:51:53 +00:00
test Fix CountPopulation non-builtin implementation 2020-05-14 14:24:13 +00:00
testing Roll v8/third_party/googletest/src/ 10b1902d8..e3f0319d8 (43 commits) 2020-04-15 07:23:10 +00:00
third_party [torque] format namespaces without indentation 2020-05-12 14:06:17 +00:00
tools [cleanup] Make SFI::function_data a SYNCHRONIZED_ACCESSOR 2020-05-14 12:58:52 +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 Add .flake8 to allow for python style checking. 2019-07-19 21:44:03 +00:00
.git-blame-ignore-revs [infra] Update .git-blame-ignore-revs 2020-03-03 12:59:13 +00:00
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.gn [build] Dynamically decide if to use system xcode 2019-07-29 08:20:24 +00:00
.vpython [tools] Implement confidence-based number of runs 2019-05-09 09:42:28 +00:00
.ycm_extra_conf.py Fix ycm config for headers without source 2019-12-09 11:59:21 +00:00
AUTHORS Fix console time format error 2020-05-14 07:36:54 +00:00
BUILD.gn Reland "cppgc: Port ObjectStartBitmap" 2020-05-13 11:34:20 +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 heap: Add Oilpan folks to COMMON_OWNERS 2020-04-14 08:55:52 +00:00
DEPS Roll test262 2020-05-13 09:14:21 +00:00
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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
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PRESUBMIT.py Remove the #undef check from the Presubmit for .cc files 2020-01-24 15:24:51 +00:00
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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.