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Samuel Groß a7cb30b0e9 Introduce VirtualAddressSpace interface 
This interface is meant to eventually replace the existing
v8::PageAllocator interface. Beyond general refactoring of the
PageAllocator APIs, the new interface now supports the concept of
(contiguous) address space reservations, which previously had to be
implemented through page allocations. These reservations now make better
use of provided OS primitives on Fuchsia (VMARs) and Windows
(placeholder mappings) and can be used to back many of the cages and
virtual memory regions that V8 creates.

The new interface is not yet stable and may change at any time without
deprecating the old version first.

Bug: chromium:1218005
Change-Id: I295253c42e04cf311393c5dab9f8c06bd7451ce3
Cq-Include-Trybots: luci.v8.try:v8_linux64_heap_sandbox_dbg_ng,v8_linux_arm64_sim_heap_sandbox_dbg_ng
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3301475
Commit-Queue: Samuel Groß <saelo@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/main@{#78235}
2021-12-04 21:42:04 +00:00
.github [github] Close PRs created on the V8 GitHub mirror automatically 2021-01-12 08:39:59 +00:00
bazel [bazel] Upstream arm64 fix 2021-12-01 10:33:09 +00:00
build_overrides [build] Remove obsolete gn flag 2021-01-11 15:50:59 +00:00
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docs
gni [LOONG64] Add LoongArch64 backend 2021-08-16 13:05:19 +00:00
include Introduce VirtualAddressSpace interface 2021-12-04 21:42:04 +00:00
infra [numfuzz] Add interrupt budget also to combined fuzzing 2021-12-02 12:25:45 +00:00
samples [api] V8::Initialize cleanup 2021-11-30 14:30:38 +00:00
src Introduce VirtualAddressSpace interface 2021-12-04 21:42:04 +00:00
test Introduce VirtualAddressSpace interface 2021-12-04 21:42:04 +00:00
testing [test][cleanup] Fix -Wshadow warnings in unittests 2021-09-27 08:59:01 +00:00
third_party [numbers] Rename ConversionFlags:NO_FLAG to NO_CONVERSION_FLAGS 2021-11-11 22:04:22 +00:00
tools [v8_perf] remove deprecated builder options from v8 perf trybot 2021-12-02 11:02:32 +00:00
.bazelrc [bazel] Support build mode compilation 2021-07-13 10:14:16 +00:00
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.flake8 remove swarming_client 2021-08-24 10:39:33 +00:00
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.gn Revert "[build] Separate out inspector as a shared library" 2021-07-02 16:15:20 +00:00
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.vpython Verify mac-arm64 wheels for v8/.vpython spec. 2021-09-15 21:11:50 +00:00
.vpython3 Add vpython3 to DEPS 2021-11-05 18:08:29 +00:00
.ycm_extra_conf.py [ycm] Fix python script 2021-07-29 09:48:32 +00:00
AUTHORS [cppgc][unittests] Only expect guard pages support on 4k platforms. 2021-11-29 10:11:11 +00:00
BUILD.bazel Introduce VirtualAddressSpace interface 2021-12-04 21:42:04 +00:00
BUILD.gn Introduce VirtualAddressSpace interface 2021-12-04 21:42:04 +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
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DEPS Update V8 DEPS. 2021-12-04 03:57:39 +00:00
DIR_METADATA Add DIR_METADATA files to v8. 2020-10-20 22:12:28 +00:00
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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
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PRESUBMIT.py [bigint] Move multiplication to src/bigint/ 2021-04-19 15:40:43 +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.