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Dan Elphick bbecd8d5b3 [heap] Turn on RO_SPACE sharing for pointer compression 
Makes the read-only space sharing the default even with pointer
compression if on Linux, Android or Chrome OS.

This won't have any immediate impact on Chrome since the platform page
allocator in chrome does not yet support allocation and remapping of
shared pages.

Bug: v8:10454
Change-Id: I3bc57080827efe38095a4bb1d02a53518727056a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2454077
Auto-Submit: Dan Elphick <delphick@chromium.org>
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#70383}
2020-10-07 14:06:10 +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: Update proto library build rule and roll Perfetto 2020-10-07 12:49:09 +00:00
include cppgc, jobs: Update job priority 2020-10-07 10:10:09 +00:00
infra Split v8_enable_concurrent_marking into two flags 2020-10-06 07:45:41 +00:00
samples [api][cleanup] Use Template::Set with const char* name 2020-09-09 15:39:36 +00:00
src [snapshot] Use a function symbol only on x64 or ia32 2020-10-07 13:15:19 +00:00
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AUTHORS Adding Red Hat to the list of Authorized contributors. 2020-09-16 12:34:39 +00:00
BUILD.gn [heap] Turn on RO_SPACE sharing for pointer compression 2020-10-07 14:06:10 +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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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.