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Tom Tan a6423cca4a Reland "Add Windows ARM64 ABI support to V8" 
This is a reland of fcbb023b0e

Original change's description:
> Add Windows ARM64 ABI support to V8
>
> This change added Windows ARM64 ABI support, major things are:
> 1. Excluding x18 register from any usage because it is reserved as
>    platform register. Preserve alignment after the change.
> 2. Fix the assumption of LP64 in arm64 backend. Windows ARM64 is
>    still LLP64.
> 3. Stack guard page probe for large allocation on stack.
>
> Reference:
> Windows ARM64 ABI:
> https://docs.microsoft.com/en-us/cpp/build/arm64-windows-abi-conventions?view=vs-2017
>
> Bug: chromium:893460
> Change-Id: I325884ac8dab719154a0047141e18a9fcb8dff7e
> Reviewed-on: https://chromium-review.googlesource.com/c/1285129
> Commit-Queue: Michael Achenbach <machenbach@chromium.org>
> Reviewed-by: Andreas Haas <ahaas@chromium.org>
> Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
> Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
> Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#56881}

CQ_INCLUDE_TRYBOTS=luci.chromium.try:android_arm64_dbg_recipe
TBR=mlippautz@chromium.org

Bug: chromium:893460
Change-Id: Icc45fd091c33f7df805842a70236b79b14756f52
Reviewed-on: https://chromium-review.googlesource.com/c/1297300
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56965}
2018-10-24 19:46:36 +00:00
benchmarks Reland: [builtins] Implement Array.prototype.slice in Torque 2018-10-19 21:27:19 +00:00
build_overrides [ndk] Change android ndk root for v8 2018-01-11 08:10:33 +00:00
custom_deps [build] Add common directory for custom deps 2018-06-08 19:23:02 +00:00
docs [Docs] Removed unused docs because they are moved to GitHub 2015-11-19 10:23:30 +00:00
gni [build] disable asan on Windows for Torque 2018-10-10 11:47:40 +00:00
include [tools] Move path-specific try-builders to the CQ config 2018-10-24 13:52:21 +00:00
infra [tools] Move path-specific try-builders to the CQ config 2018-10-24 13:52:21 +00:00
samples Add a sample that uses the JS API to create wasm 2018-06-07 23:43:38 +00:00
src Reland "Add Windows ARM64 ABI support to V8" 2018-10-24 19:46:36 +00:00
test Reland "Add Windows ARM64 ABI support to V8" 2018-10-24 19:46:36 +00:00
testing Remove dummy files created for rolling googletest. 2018-03-27 05:55:56 +00:00
third_party Fix formatting of Torque unions 2018-10-24 13:31:53 +00:00
tools [turbofan] Brokerize some more in JSCallReducer. 2018-10-24 18:24:01 +00:00
.clang-format [clang-format] Don't derive pointer alignment 2017-01-17 09:28:19 +00:00
.clang-tidy Add a tool/script to run clang-tidy over V8. 2018-09-11 12:01:09 +00:00
.editorconfig Add .editorconfig 2017-07-28 13:39:24 +00:00
.git-blame-ignore-revs [build] Add DEPS formatting to hyper-blame 2017-10-09 14:08:45 +00:00
.gitattributes .gitattributes: Mark minified emscripten js files as -diff 2018-09-19 16:27:10 +00:00
.gitignore Ignore .torquelint-cache 2018-10-24 10:24:11 +00:00
.gn [test] Remove obsolete test262 archive extract 2018-03-28 13:52:15 +00:00
.vpython [tools] Add VPython config for callstats.py 2018-08-14 10:15:46 +00:00
.ycm_extra_conf.py [ycm] Switch from gnu++11 to gnu++14 2017-11-27 07:48:21 +00:00
AUTHORS Reland "Add Windows ARM64 ABI support to V8" 2018-10-24 19:46:36 +00:00
BUILD.gn [ubsan] Introduce ObjectPtr and port PropertyArray 2018-10-24 18:27:31 +00:00
ChangeLog [tools] Merge ChangeLog from latest release 2017-12-19 12:30:56 +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
DEPS Update V8 DEPS. 2018-10-22 04:25:13 +00:00
LICENSE Add antlr4 runtime library to support Torque 2018-04-10 10:01:01 +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
LICENSE.valgrind Add LICENSE.v8, LICENSE.strongtalk and LICENSE.valgrind to the v8 2011-02-03 07:10:06 +00:00
OWNERS Reduce wasm OWNERS to current team members 2018-10-15 14:47:49 +00:00
PRESUBMIT.py [tools] Move path-specific try-builders to the CQ config 2018-10-24 13:52:21 +00:00
README.md [Docs] Removed unused docs because they are moved to GitHub 2015-11-19 10:23:30 +00:00
snapshot_toolchain.gni Reland "Add Windows ARM64 ABI support to V8" 2018-10-24 19:46:36 +00:00
WATCHLISTS Add myself to the watch list. 2018-10-22 16:20:40 +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://github.com/v8/v8/wiki

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 on the V8 wiki.