add pages 64k option for linux ARM

.github/workflows/build-release.yml

@@ -6,6 +6,8 @@ on:
       - "**"
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
+  pull_request:
+    types: [opened, synchronize, reopened, ready_for_review]
 
 permissions:
   contents: write
@@ -16,69 +18,7 @@ env:
   LP_CACHE: ".lp-cache"
 
 jobs:
-  build-x86_64-linux:
-    env:
-      OS: linux
-      ARCH: x86_64
-
-    runs-on: ubuntu-22.04
-    steps:
-      - uses: mlugg/setup-zig@v2.0.5
-        with:
-          version: ${{ env.ZIG_VERSION }}
-          cache-key: ${{ env.ZIG_VERSION }}-${{ env.OS }}-${{ env.ARCH }}
-
-      - uses: actions/checkout@v4
-        with:
-          submodules: recursive
-          fetch-depth: 0
-
-      - run: zig env
-
-      - run: |
-          sudo apt-get update
-          sudo apt-get install -yq libglib2.0-dev
-
-      - run: zig build -Doptimize=ReleaseSafe build-v8
-      - run: mv ${{ env.LP_CACHE }}/v8-${{ env.V8_REVISION }}/out/${{ env.OS }}/release/obj/zig/libc_v8.a libc_v8_${{ env.V8_REVISION }}_${{ env.OS }}_${{ env.ARCH }}.a
-
-      - name: Upload the build
-        uses: ncipollo/release-action@v1
-        with:
-          allowUpdates: true
-          artifacts: libc_v8_${{ env.V8_REVISION }}_${{ env.OS }}_${{ env.ARCH }}.a
-
-  build-aarch64-macos:
-    env:
-      OS: macos
-      ARCH: aarch64
-
-    runs-on: macos-latest
-    steps:
-      - uses: mlugg/setup-zig@v2
-        with:
-          version: ${{ env.ZIG_VERSION }}
-          cache-key: ${{ env.ZIG_VERSION }}-${{ env.OS }}-${{ env.ARCH }}
-
-      - uses: actions/setup-python@v5
-        with:
-          python-version: '3.11'
-
-      - uses: actions/checkout@v4
-        with:
-          submodules: recursive
-          fetch-depth: 0
-
-      - run: zig build -Doptimize=ReleaseSafe build-v8
-      - run: mv ${{ env.LP_CACHE }}/v8-${{ env.V8_REVISION }}/out/${{ env.OS }}/release/obj/zig/libc_v8.a libc_v8_${{ env.V8_REVISION }}_${{ env.OS }}_${{ env.ARCH }}.a
-
-      - name: Upload the build
-        uses: ncipollo/release-action@v1
-        with:
-          allowUpdates: true
-          artifacts: libc_v8_${{ env.V8_REVISION }}_${{ env.OS }}_${{ env.ARCH }}.a
-
-  build-arm64-linux:
+  build-arm64-linux-page64k:
     env:
       OS: linux
       ARCH: aarch64
@@ -104,71 +44,12 @@ jobs:
           sudo ln -nsf /usr/lib/llvm-21/lib/clang/21/lib/linux/libclang_rt.builtins-aarch64.a /usr/lib/llvm-21/lib/clang/21/lib/linux/libclang_rt.builtins.a && \
           sudo ln -nsf /usr/lib/llvm-21/lib/clang/21/lib/linux/ /usr/lib/llvm-21/lib/clang/21/lib/aarch64-unknown-linux-gnu
 
-      - run: zig build -Doptimize=ReleaseSafe build-v8
-      - run: mv ${{ env.LP_CACHE }}/v8-${{ env.V8_REVISION }}/out/${{ env.OS }}/release/obj/zig/libc_v8.a libc_v8_${{ env.V8_REVISION }}_${{ env.OS }}_${{ env.ARCH }}.a
-
-      - name: Upload the build
-        uses: ncipollo/release-action@v1
-        with:
-          allowUpdates: true
-          artifacts: libc_v8_${{ env.V8_REVISION }}_${{ env.OS }}_${{ env.ARCH }}.a
-
-  build-x86_64-macos:
-    env:
-      OS: macos
-      ARCH: x86_64
-
-    runs-on: macos-15-large
-    steps:
-      - uses: mlugg/setup-zig@v2
-        with:
-          version: ${{ env.ZIG_VERSION }}
-          cache-key: ${{ env.ZIG_VERSION }}-${{ env.OS }}-${{ env.ARCH }}
-
-      - uses: actions/setup-python@v5
-        with:
-          python-version: '3.11'
-
-      - uses: actions/checkout@v4
-        with:
-          submodules: recursive
-          fetch-depth: 0
-
-      - run: zig build -Doptimize=ReleaseSafe build-v8
-      - run: mv ${{ env.LP_CACHE }}/v8-${{ env.V8_REVISION }}/out/${{ env.OS }}/release/obj/zig/libc_v8.a libc_v8_${{ env.V8_REVISION }}_${{ env.OS }}_${{ env.ARCH }}.a
-
-      - name: Upload the build
-        uses: ncipollo/release-action@v1
-        with:
-          allowUpdates: true
-          artifacts: libc_v8_${{ env.V8_REVISION }}_${{ env.OS }}_${{ env.ARCH }}.a
-
-  build-aarch64-ios:
-    env:
-      OS: ios
-      ARCH: aarch64
-      TARGET_ENVIRONMENT: simulator
-
-    runs-on: macos-latest
-    steps:
-      - uses: mlugg/setup-zig@v2
-        with:
-          version: ${{ env.ZIG_VERSION }}
-          cache-key: ${{ env.ZIG_VERSION }}-${{ env.OS }}-${{ env.ARCH }}
-      - uses: actions/setup-python@v5
-        with:
-          python-version: '3.11'
-
-      - uses: actions/checkout@v4
-        with:
-          submodules: recursive
-          fetch-depth: 0
-
-      - run: zig build -Doptimize=ReleaseSafe build-v8
-      - run: mv ${{ env.LP_CACHE }}/v8-${{ env.V8_REVISION }}/out/${{ env.OS }}/release/obj/zig/libc_v8.a libc_v8_${{ env.V8_REVISION }}_${{ env.OS }}_${{ env.ARCH }}.a
+      - run: zig build -Doptimize=ReleaseSafe -Dpages_64k=true build-v8
+      - run: mv ${{ env.LP_CACHE }}/v8-${{ env.V8_REVISION }}/out/${{ env.OS }}/release/obj/zig/libc_v8.a libc_v8_${{ env.V8_REVISION }}_${{ env.OS }}_${{ env.ARCH }}_pages64k.a
 
       - name: Upload the build
         uses: ncipollo/release-action@v1
         with:
           allowUpdates: true
-          artifacts: libc_v8_${{ env.V8_REVISION }}_${{ env.OS }}_${{ env.TARGET_ENVIRONMENT }}_${{ env.ARCH }}.a
+          artifacts: libc_v8_${{ env.V8_REVISION }}_${{ env.OS }}_${{ env.ARCH }}_pages64k.a
+          tag: v0.2.5

build.zig

@@ -28,6 +28,8 @@ pub fn build(b: *std.Build) !void {
         try std.fs.cwd().makeDir(cache_root);
     };
 
+    const pages_64k = b.option(bool, "pages_64k", "Enable Linux ARM 64K pages compatibility, only for Linux ARM") orelse false;
+
     const prebuilt_v8_path = b.option([]const u8, "prebuilt_v8_path", "Path to prebuilt libc_v8.a");
 
     const v8_dir = b.fmt("{s}/v8-{s}", .{ cache_root, V8_VERSION });
@@ -46,7 +48,9 @@ pub fn build(b: *std.Build) !void {
         prepare_step.dependOn(&bootstrapped_v8.step);
 
         // Otherwise, go through build process.
-        break :blk try buildV8(b, v8_dir, depot_tools_dir, bootstrapped_v8, target, optimize);
+        break :blk try buildV8(b, v8_dir, depot_tools_dir, bootstrapped_v8, target, optimize, .{
+            .pages_64k = pages_64k,
+        });
     };
 
     const build_step = b.step("build-v8", "Build v8");
@@ -322,13 +326,19 @@ fn bootstrapV8(
     return create_marker;
 }
 
+const Config = struct {
+    // Enable build compatible with 64k page linux.
+    pages_64k: bool,
+};
+
 fn buildV8(
     b: *std.Build,
     v8_dir: []const u8,
     depot_tools_dir: []const u8,
     bootstrapped_v8: *std.Build.Step.Run,
     target: std.Build.ResolvedTarget,
     optimize: std.builtin.OptimizeMode,
+    config: Config,
 ) !*std.Build.Step.WriteFile {
     const v8_dir_lazy_path: LazyPath = .{ .cwd_relative = v8_dir };
 
@@ -368,6 +378,12 @@ fn buildV8(
         else => {},
     }
 
+    if (config.pages_64k) {
+        // Works only with linux aarch64 build.
+        std.debug.assert(tag == .linux and arch == .aarch64);
+        try gn_args.appendSlice(allocator, "v8_enable_pointer_compression=false\n");
+    }
+
     const out_dir = b.fmt("out/{s}/{s}", .{ @tagName(tag), if (is_debug) "debug" else "release" });
 
     const gn_run = b.addSystemCommand(&.{