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Cherry-pick V8 fixes needed for Apple Silicon #35986

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Cherry-pick V8 fixes needed for Apple Silicon #35986

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oleavr
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@oleavr oleavr commented Nov 6, 2020

These four cherry-picked commits are needed to run Node.js on Apple
Silicon. Tested on macOS 11.0.1 Beta (20B5012d).

Checklist
  • make -j4 test (UNIX), or vcbuild test (Windows) passes
  • commit message follows commit guidelines

@nodejs-github-bot nodejs-github-bot added the v8 engine Issues and PRs related to the V8 dependency. label Nov 6, 2020
@gengjiawen gengjiawen mentioned this pull request Nov 6, 2020
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Trott commented Nov 8, 2020

@nodejs/v8-update

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gengjiawen commented Nov 9, 2020 •
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V8 CI: https://ci.nodejs.org/job/node-test-commit-v8-linux/3540/

richardlau
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Each commit should bump v8_embedder_string in common.gypi, see https://github.com/nodejs/node/blob/master/doc/guides/maintaining-V8.md#backporting-to-abandoned-branches

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LGTM once updated as indicated by @richardlau

@oleavr @Trott
deps: V8: cherry-pick 27e1ac1a79ff
fdd2593 
Original commit message:

    [wasm][mac] Support w^x codespaces for Apple Silicon

    Apple's upcoming arm64 devices will prevent rwx access to memory,
    but in turn provide a new per-thread way to switch between write
    and execute permissions. This patch puts that system to use for
    the WebAssembly subsystem.
    The approach relies on CodeSpaceWriteScope objects for now. That
    isn't optimal for background threads (which could stay in "write"
    mode permanently instead of toggling), but its simplicity makes
    it a good first step.

    Background:
    https://developer.apple.com/documentation/apple_silicon/porting_just-in-time_compilers_to_apple_silicon

    Bug: chromium:1117591
    Change-Id: I3b60f0efd34c0fed924dfc71ee2c7805801c5d42
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2378307
    Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
    Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
    Reviewed-by: Thibaud Michaud <thibaudm@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#69791}
@oleavr @Trott
deps: V8: cherry-pick 086eecbd96b6
d5fb2f0 
Original commit message:

    [platform] Add Permission::kNoAccessWillJitLater enum value

    This value is unused for now. This CL is part 1 of a 3-step dance.
    Part 2 will be teaching Chrome's Platform implementation to accept
    the new value. Part 3 will then actually use it in V8.

    Bug: chromium:1117591
    Change-Id: Ie3aed20d4cc58f3def3be2a3a03bba4c3a37bf44
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2450056
    Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
    Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#70335}
@oleavr @Trott
deps: V8: cherry-pick 4e077ff0444a
1d00265 
Original commit message:

    [mac] Set MAP_JIT only when necessary

    This is a "minimal" change to achieve the required goal: seeing that
    there is only one place where we need to indicate that memory should
    be reserved with MAP_JIT, we can add a value to the Permissions enum
    instead of adding a second, orthogonal parameter.
    That way we avoid changing public API functions, which makes this CL
    easier to undo once we have platform-independent w^x in Wasm.

    Bug: chromium:1117591
    Change-Id: I6333d69ab29d5900c689f08dcc892a5f1c1159b8
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2435365
    Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
    Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
    Reviewed-by: Clemens Backes <clemensb@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#70379}
@oleavr @Trott
deps: V8: cherry-pick 1d0f426311d4
52b570c 
Original commit message:

    [mac-arm64] Fix missing #include

    For an "#if defined(MAP_JIT)" test to work as expected, <sys/mman.h>
    must be included in the compilation unit.

    Bug: chromium:1144200
    Change-Id: Ia0bf35ec1872c02457f1fbc0ee6689c7f7d27d4a
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2517689
    Reviewed-by: Clemens Backes <clemensb@chromium.org>
    Reviewed-by: Igor Sheludko <ishell@chromium.org>
    Reviewed-by: Nico Weber <thakis@chromium.org>
    Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#70986}
@Trott Trott force-pushed the v8-mac-arm-cherrypicks branch from ab7c7fe to 52b570c Compare November 11, 2020 13:51
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Trott commented Nov 11, 2020 •
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@richardlau I re-cherry-picked each commit and bumped the v8_embedder_string value each time. PTAL

@aduh95 aduh95 added author ready PRs that have at least one approval, no pending requests for changes, and a CI started. request-ci Add this label to start a Jenkins CI on a PR. labels Nov 11, 2020
@github-actions github-actions bot removed the request-ci Add this label to start a Jenkins CI on a PR. label Nov 11, 2020
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CI: https://ci.nodejs.org/job/node-test-pull-request/34346/

@gengjiawen gengjiawen added the request-ci Add this label to start a Jenkins CI on a PR. label Nov 12, 2020
@github-actions github-actions bot removed the request-ci Add this label to start a Jenkins CI on a PR. label Nov 12, 2020
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CI: https://ci.nodejs.org/job/node-test-pull-request/34354/

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nodejs-github-bot commented Nov 12, 2020 •
edited by richardlau
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CI: https://ci.nodejs.org/job/node-test-pull-request/34361/
V8-CI: https://ci.nodejs.org/job/node-test-commit-v8-linux/3553/

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CI: https://ci.nodejs.org/job/node-test-pull-request/34364/

@richardlau richardlau added the commit-queue Add this label to land a pull request using GitHub Actions. label Nov 12, 2020
@github-actions github-actions bot removed the commit-queue Add this label to land a pull request using GitHub Actions. label Nov 12, 2020
This was referenced Nov 22, 2020
Closed
Closed
codebytere pushed a commit that referenced this pull request Nov 22, 2020
@oleavr @codebytere
deps: V8: cherry-pick 27e1ac1a79ff
d2c757a 
Original commit message:

    [wasm][mac] Support w^x codespaces for Apple Silicon

    Apple's upcoming arm64 devices will prevent rwx access to memory,
    but in turn provide a new per-thread way to switch between write
    and execute permissions. This patch puts that system to use for
    the WebAssembly subsystem.
    The approach relies on CodeSpaceWriteScope objects for now. That
    isn't optimal for background threads (which could stay in "write"
    mode permanently instead of toggling), but its simplicity makes
    it a good first step.

    Background:
    https://developer.apple.com/documentation/apple_silicon/porting_just-in-time_compilers_to_apple_silicon

    Bug: chromium:1117591
    Change-Id: I3b60f0efd34c0fed924dfc71ee2c7805801c5d42
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2378307
    Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
    Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
    Reviewed-by: Thibaud Michaud <thibaudm@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#69791}

PR-URL: #35986
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Michael Dawson <midawson@redhat.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Beth Griggs <bgriggs@redhat.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
codebytere pushed a commit that referenced this pull request Nov 22, 2020
@oleavr @codebytere
deps: V8: cherry-pick 086eecbd96b6
098a5b1 
Original commit message:

    [platform] Add Permission::kNoAccessWillJitLater enum value

    This value is unused for now. This CL is part 1 of a 3-step dance.
    Part 2 will be teaching Chrome's Platform implementation to accept
    the new value. Part 3 will then actually use it in V8.

    Bug: chromium:1117591
    Change-Id: Ie3aed20d4cc58f3def3be2a3a03bba4c3a37bf44
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2450056
    Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
    Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#70335}

PR-URL: #35986
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Michael Dawson <midawson@redhat.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Beth Griggs <bgriggs@redhat.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
codebytere pushed a commit that referenced this pull request Nov 22, 2020
@oleavr @codebytere
deps: V8: cherry-pick 4e077ff0444a
4b7ba11 
Original commit message:

    [mac] Set MAP_JIT only when necessary

    This is a "minimal" change to achieve the required goal: seeing that
    there is only one place where we need to indicate that memory should
    be reserved with MAP_JIT, we can add a value to the Permissions enum
    instead of adding a second, orthogonal parameter.
    That way we avoid changing public API functions, which makes this CL
    easier to undo once we have platform-independent w^x in Wasm.

    Bug: chromium:1117591
    Change-Id: I6333d69ab29d5900c689f08dcc892a5f1c1159b8
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2435365
    Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
    Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
    Reviewed-by: Clemens Backes <clemensb@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#70379}

PR-URL: #35986
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Michael Dawson <midawson@redhat.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Beth Griggs <bgriggs@redhat.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
codebytere pushed a commit that referenced this pull request Nov 22, 2020
@oleavr @codebytere
deps: V8: cherry-pick 1d0f426311d4
8ae3ffe 
Original commit message:

    [mac-arm64] Fix missing #include

    For an "#if defined(MAP_JIT)" test to work as expected, <sys/mman.h>
    must be included in the compilation unit.

    Bug: chromium:1144200
    Change-Id: Ia0bf35ec1872c02457f1fbc0ee6689c7f7d27d4a
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2517689
    Reviewed-by: Clemens Backes <clemensb@chromium.org>
    Reviewed-by: Igor Sheludko <ishell@chromium.org>
    Reviewed-by: Nico Weber <thakis@chromium.org>
    Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#70986}

PR-URL: #35986
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Michael Dawson <midawson@redhat.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Beth Griggs <bgriggs@redhat.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
@codebytere codebytere mentioned this pull request Nov 22, 2020
Merged
@unbyte unbyte mentioned this pull request Dec 18, 2020
Closed
@lloeki lloeki mentioned this pull request Jan 18, 2021
Closed
bpresles pushed a commit to bpresles/node that referenced this pull request Feb 2, 2021
Backported PR nodejs#35986
94ec23f
bpresles pushed a commit to bpresles/node that referenced this pull request Feb 2, 2021
Backported PR nodejs#35986
958686c
bpresles pushed a commit to bpresles/node that referenced this pull request Feb 2, 2021
Backported PR nodejs#35986
7a243d6
@0x91 0x91 mentioned this pull request Mar 15, 2021
Closed
@a60814billy a60814billy mentioned this pull request Mar 31, 2021
Closed
a60814billy pushed a commit to a60814billy/node that referenced this pull request Apr 2, 2021
@oleavr @a60814billy
deps: V8: cherry-pick c6ec36a
697d6a0 
Original commit message:
    deps: V8: cherry-pick 27e1ac1a79ff

        [wasm][mac] Support w^x codespaces for Apple Silicon

        Apple's upcoming arm64 devices will prevent rwx access to memory,
        but in turn provide a new per-thread way to switch between write
        and execute permissions. This patch puts that system to use for
        the WebAssembly subsystem.
        The approach relies on CodeSpaceWriteScope objects for now. That
        isn't optimal for background threads (which could stay in "write"
        mode permanently instead of toggling), but its simplicity makes
        it a good first step.

        Background:
        https://developer.apple.com/documentation/apple_silicon/porting_just-in-time_compilers_to_apple_silicon

        Bug: chromium:1117591
        Change-Id: I3b60f0efd34c0fed924dfc71ee2c7805801c5d42
        Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2378307
        Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
        Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
        Reviewed-by: Thibaud Michaud <thibaudm@chromium.org>
        Cr-Commit-Position: refs/heads/master@{#69791}

PR-URL: nodejs#35986
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Michael Dawson <midawson@redhat.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Beth Griggs <bgriggs@redhat.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
a60814billy pushed a commit to a60814billy/node that referenced this pull request Apr 2, 2021
@oleavr @a60814billy
deps: v8: backport 1337a34 to v14
6a91400 
Original commit message:
    deps: V8: cherry-pick 086eecbd96b6

    Original commit message:

        [platform] Add Permission::kNoAccessWillJitLater enum value

        This value is unused for now. This CL is part 1 of a 3-step dance.
        Part 2 will be teaching Chrome's Platform implementation to accept
        the new value. Part 3 will then actually use it in V8.

        Bug: chromium:1117591
        Change-Id: Ie3aed20d4cc58f3def3be2a3a03bba4c3a37bf44
        Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2450056
        Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
        Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
        Cr-Commit-Position: refs/heads/master@{#70335}

    PR-URL: nodejs#35986
    Reviewed-By: Anna Henningsen <anna@addaleax.net>
    Reviewed-By: Richard Lau <rlau@redhat.com>
    Reviewed-By: Michael Dawson <midawson@redhat.com>
    Reviewed-By: Rich Trott <rtrott@gmail.com>
    Reviewed-By: Beth Griggs <bgriggs@redhat.com>
    Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
a60814billy pushed a commit to a60814billy/node that referenced this pull request Apr 2, 2021
@oleavr @a60814billy
deps: v8: backport d37ddb4 to v14
4029888 
Original commit message:
    deps: V8: cherry-pick 4e077ff0444a

    Original commit message:

        [mac] Set MAP_JIT only when necessary

        This is a "minimal" change to achieve the required goal: seeing that
        there is only one place where we need to indicate that memory should
        be reserved with MAP_JIT, we can add a value to the Permissions enum
        instead of adding a second, orthogonal parameter.
        That way we avoid changing public API functions, which makes this CL
        easier to undo once we have platform-independent w^x in Wasm.

        Bug: chromium:1117591
        Change-Id: I6333d69ab29d5900c689f08dcc892a5f1c1159b8
        Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2435365
        Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
        Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
        Reviewed-by: Clemens Backes <clemensb@chromium.org>
        Cr-Commit-Position: refs/heads/master@{#70379}

    PR-URL: nodejs#35986
    Reviewed-By: Anna Henningsen <anna@addaleax.net>
    Reviewed-By: Richard Lau <rlau@redhat.com>
    Reviewed-By: Michael Dawson <midawson@redhat.com>
    Reviewed-By: Rich Trott <rtrott@gmail.com>
    Reviewed-By: Beth Griggs <bgriggs@redhat.com>
    Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
a60814billy pushed a commit to a60814billy/node that referenced this pull request Apr 2, 2021
@oleavr @a60814billy
deps: v8: backport c1442ec
2c8f3b0 
Original commit message:
    deps: V8: cherry-pick 1d0f426311d4

    Original commit message:

        [mac-arm64] Fix missing #include

        For an "#if defined(MAP_JIT)" test to work as expected, <sys/mman.h>
        must be included in the compilation unit.

        Bug: chromium:1144200
        Change-Id: Ia0bf35ec1872c02457f1fbc0ee6689c7f7d27d4a
        Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2517689
        Reviewed-by: Clemens Backes <clemensb@chromium.org>
        Reviewed-by: Igor Sheludko <ishell@chromium.org>
        Reviewed-by: Nico Weber <thakis@chromium.org>
        Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
        Cr-Commit-Position: refs/heads/master@{#70986}

    PR-URL: nodejs#35986
    Reviewed-By: Anna Henningsen <anna@addaleax.net>
    Reviewed-By: Richard Lau <rlau@redhat.com>
    Reviewed-By: Michael Dawson <midawson@redhat.com>
    Reviewed-By: Rich Trott <rtrott@gmail.com>
    Reviewed-By: Beth Griggs <bgriggs@redhat.com>
    Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
a60814billy pushed a commit to a60814billy/node that referenced this pull request Apr 2, 2021
@oleavr @a60814billy
deps: V8: cherry-pick 086eecbd96b6
68f8f4b 
Original commit message:

    [platform] Add Permission::kNoAccessWillJitLater enum value

    This value is unused for now. This CL is part 1 of a 3-step dance.
    Part 2 will be teaching Chrome's Platform implementation to accept
    the new value. Part 3 will then actually use it in V8.

    Bug: chromium:1117591
    Change-Id: Ie3aed20d4cc58f3def3be2a3a03bba4c3a37bf44
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2450056
    Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
    Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#70335}

PR-URL: nodejs#35986
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Michael Dawson <midawson@redhat.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Beth Griggs <bgriggs@redhat.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
a60814billy pushed a commit to a60814billy/node that referenced this pull request Apr 2, 2021
@oleavr @a60814billy
deps: V8: cherry-pick 4e077ff0444a
6be68ce 
Original commit message:

    [mac] Set MAP_JIT only when necessary

    This is a "minimal" change to achieve the required goal: seeing that
    there is only one place where we need to indicate that memory should
    be reserved with MAP_JIT, we can add a value to the Permissions enum
    instead of adding a second, orthogonal parameter.
    That way we avoid changing public API functions, which makes this CL
    easier to undo once we have platform-independent w^x in Wasm.

    Bug: chromium:1117591
    Change-Id: I6333d69ab29d5900c689f08dcc892a5f1c1159b8
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2435365
    Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
    Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
    Reviewed-by: Clemens Backes <clemensb@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#70379}

PR-URL: nodejs#35986
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Michael Dawson <midawson@redhat.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Beth Griggs <bgriggs@redhat.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
a60814billy pushed a commit to a60814billy/node that referenced this pull request Apr 2, 2021
@oleavr @a60814billy
deps: V8: cherry-pick 1d0f426311d4i
bb7e82e 
Original commit message:

    [mac-arm64] Fix missing #include

    For an "#if defined(MAP_JIT)" test to work as expected, <sys/mman.h>
    must be included in the compilation unit.

    Bug: chromium:1144200
    Change-Id: Ia0bf35ec1872c02457f1fbc0ee6689c7f7d27d4a
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2517689
    Reviewed-by: Clemens Backes <clemensb@chromium.org>
    Reviewed-by: Igor Sheludko <ishell@chromium.org>
    Reviewed-by: Nico Weber <thakis@chromium.org>
    Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#70986}

PR-URL: nodejs#35986
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Michael Dawson <midawson@redhat.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Beth Griggs <bgriggs@redhat.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
@a60814billy a60814billy mentioned this pull request Apr 2, 2021
Closed
@targos targos added backported-to-v14.x and removed author ready PRs that have at least one approval, no pending requests for changes, and a CI started. labels Apr 11, 2021
targos pushed a commit that referenced this pull request Apr 11, 2021
@oleavr @targos
deps: V8: cherry-pick 27e1ac1a79ff
31f8610 
Original commit message:

    [wasm][mac] Support w^x codespaces for Apple Silicon

    Apple's upcoming arm64 devices will prevent rwx access to memory,
    but in turn provide a new per-thread way to switch between write
    and execute permissions. This patch puts that system to use for
    the WebAssembly subsystem.
    The approach relies on CodeSpaceWriteScope objects for now. That
    isn't optimal for background threads (which could stay in "write"
    mode permanently instead of toggling), but its simplicity makes
    it a good first step.

    Background:
    https://developer.apple.com/documentation/apple_silicon/porting_just-in-time_compilers_to_apple_silicon

    Bug: chromium:1117591
    Change-Id: I3b60f0efd34c0fed924dfc71ee2c7805801c5d42
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2378307
    Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
    Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
    Reviewed-by: Thibaud Michaud <thibaudm@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#69791}

Backport-PR-URL: #38051
Co-authored-by: BoHong Li <a60814billy@gmail.com>

PR-URL: #35986
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Michael Dawson <midawson@redhat.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Beth Griggs <bgriggs@redhat.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
targos pushed a commit that referenced this pull request Apr 11, 2021
@oleavr @targos
deps: V8: cherry-pick 086eecbd96b6
507c2f2 
Original commit message:

    [platform] Add Permission::kNoAccessWillJitLater enum value

    This value is unused for now. This CL is part 1 of a 3-step dance.
    Part 2 will be teaching Chrome's Platform implementation to accept
    the new value. Part 3 will then actually use it in V8.

    Bug: chromium:1117591
    Change-Id: Ie3aed20d4cc58f3def3be2a3a03bba4c3a37bf44
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2450056
    Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
    Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#70335}

Backport-PR-URL: #38051
Co-authored-by: BoHong Li <a60814billy@gmail.com>

PR-URL: #35986
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Michael Dawson <midawson@redhat.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Beth Griggs <bgriggs@redhat.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
targos pushed a commit that referenced this pull request Apr 11, 2021
@oleavr @targos
deps: V8: cherry-pick 4e077ff0444a
14a87a5 
Original commit message:

    [mac] Set MAP_JIT only when necessary

    This is a "minimal" change to achieve the required goal: seeing that
    there is only one place where we need to indicate that memory should
    be reserved with MAP_JIT, we can add a value to the Permissions enum
    instead of adding a second, orthogonal parameter.
    That way we avoid changing public API functions, which makes this CL
    easier to undo once we have platform-independent w^x in Wasm.

    Bug: chromium:1117591
    Change-Id: I6333d69ab29d5900c689f08dcc892a5f1c1159b8
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2435365
    Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
    Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
    Reviewed-by: Clemens Backes <clemensb@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#70379}

Backport-PR-URL: #38051
Co-authored-by: BoHong Li <a60814billy@gmail.com>

PR-URL: #35986
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Michael Dawson <midawson@redhat.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Beth Griggs <bgriggs@redhat.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
targos pushed a commit that referenced this pull request Apr 11, 2021
@oleavr @targos
deps: V8: cherry-pick 1d0f426311d4
7d247f1 
Original commit message:

    [mac-arm64] Fix missing #include

    For an "#if defined(MAP_JIT)" test to work as expected, <sys/mman.h>
    must be included in the compilation unit.

    Bug: chromium:1144200
    Change-Id: Ia0bf35ec1872c02457f1fbc0ee6689c7f7d27d4a
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2517689
    Reviewed-by: Clemens Backes <clemensb@chromium.org>
    Reviewed-by: Igor Sheludko <ishell@chromium.org>
    Reviewed-by: Nico Weber <thakis@chromium.org>
    Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#70986}

Backport-PR-URL: #38051
Co-authored-by: BoHong Li <a60814billy@gmail.com>

PR-URL: #35986
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Michael Dawson <midawson@redhat.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Beth Griggs <bgriggs@redhat.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
@danielleadams danielleadams mentioned this pull request May 3, 2021
Merged
@mscdex mscdex mentioned this pull request Sep 8, 2022
Closed
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@mhdawson mhdawson mhdawson approved these changes

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