Reland "[pku][wasm] Refactor PKU usage in Wasm"
This is a reland of commit 4e935c7f fix a bug on mac for not return correct memory protection key support. Please see details in comments. Original change's description: > [pku][wasm] Refactor PKU usage in Wasm > > RwxMemoryWriteScope becomes the bottleneck for both MAP_JIT and PKU > machinery. > Wasm and V8 code space will use the same memory protection key. > > This is a next step towards adding PKU support for V8 code space. > > Bug: v8:13023 > Change-Id: I647f8c09bc41e5ef8a1d74b58a48a43e08454e0d > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3702213 > Reviewed-by: Michael Lippautz <mlippautz@chromium.org> > Commit-Queue: Wenqin Yang <wenqin.yang@intel.com> > Reviewed-by: Igor Sheludko <ishell@chromium.org> > Reviewed-by: Clemens Backes <clemensb@chromium.org> > Cr-Commit-Position: refs/heads/main@{#81947} Bug: v8:13023 Change-Id: I5b5cc81e7c1502229ce0d2a5574ca34dc23d19d9 Cq-Include-Trybots: luci.v8.try:v8_mac_arm64_rel_ng,v8_mac_arm64_dbg_ng Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3787320Reviewed-by:Igor Sheludko <ishell@chromium.org> Reviewed-by:
Clemens Backes <clemensb@chromium.org> Commit-Queue: Wenqin Yang <wenqin.yang@intel.com> Reviewed-by:
Michael Lippautz <mlippautz@chromium.org> Cr-Commit-Position: refs/heads/main@{#81994}
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