[wasm][gc] Reenable discarding system pages

On windows, the range to be discarded needs to be split by the
reservations, analogous to committing. This CL reuses the same logic,
and reenables discarding pages on all platforms.

R=mstarzinger@chromium.org

Bug: v8:8217
Change-Id: I11716d6381f765bdfe4cf48502b5cdc1f42cf8ab
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1611682
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61526}
1 file changed
tree: d4f9d823d01634216cfb31b53acbb99a0bccee66
  1. .clang-format
  2. .clang-tidy
  3. .editorconfig
  4. .git-blame-ignore-revs
  5. .gitattributes
  6. .gitignore
  7. .gn
  8. .vpython
  9. .ycm_extra_conf.py
  10. AUTHORS
  11. BUILD.gn
  12. CODE_OF_CONDUCT.md
  13. ChangeLog
  14. DEPS
  15. INFRA_OWNERS
  16. LICENSE
  17. LICENSE.fdlibm
  18. LICENSE.strongtalk
  19. LICENSE.v8
  20. LICENSE.valgrind
  21. OWNERS
  22. PRESUBMIT.py
  23. README.md
  24. WATCHLISTS
  25. benchmarks/
  26. build_overrides/
  27. codereview.settings
  28. custom_deps/
  29. docs/
  30. gni/
  31. include/
  32. infra/
  33. samples/
  34. snapshot_toolchain.gni
  35. src/
  36. test/
  37. testing/
  38. third_party/
  39. tools/
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.