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Unified Diff: gin/BUILD.gn

Issue 2841443005: [Bindings] Create and use V8 context snapshots (Closed)
Patch Set: Support runtime feature on templates Created 3 years, 6 months ago
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Index: gin/BUILD.gn
diff --git a/gin/BUILD.gn b/gin/BUILD.gn
index eaf88a8c77da16cc5e773b3f2dc5dca8ab85157c..d6b5a3b6089e7b95565a2e2940a635bc6aef6376 100644
--- a/gin/BUILD.gn
+++ b/gin/BUILD.gn
@@ -77,11 +77,11 @@ component("gin") {
}
defines = [ "GIN_IMPLEMENTATION" ]
-
public_deps = [
"//base",
"//v8",
]
+
deps = [
"//base/third_party/dynamic_annotations",
]
@@ -110,6 +110,65 @@ executable("gin_shell") {
configs += [ "//v8:external_startup_data" ]
}
+group("blink_v8_snapshot") {
+ public_deps = [
+ ":generate_blink_v8_snapshot",
+ ]
+}
+
+action("generate_blink_v8_snapshot") {
+ script = "run.py"
+ output_file = "$root_out_dir/blink_v8_snapshot.bin"
+ output_path = rebase_path(output_file, root_build_dir)
+
+ args = [
+ "./" + rebase_path(
+ get_label_info(":blink_v8_snapshot_generator($host_toolchain)",
+ "root_out_dir") + "/blink_v8_snapshot_generator",
+ root_build_dir),
+ "--output_file=$output_path",
+ ]
+
+ outputs = [
+ output_file,
+ ]
+
+ deps = [
+ ":blink_v8_snapshot_generator($host_toolchain)",
+ ]
+}
+
+# This config disables a link time optimization "ICF", which may merge different
+# functions into one if the function signature and body of them are identical.
+config("disable_icf") {
+ visibility = [ ":*" ] # Only targets in this file can depend on this.
+ if (is_win) {
+ ldflags = [ "/OPT:NOICF" ]
+ } else if (is_posix && !is_mac) {
+ ldflags = [ "-Wl,--icf=none" ]
+ }
+}
+
+executable("blink_v8_snapshot_generator") {
+ sources = [
+ "shell/blink_v8_snapshot_generator_main.cc",
+ ]
+
+ deps = [
+ ":gin",
+ "//mojo/edk/system:system",
+ "//third_party/WebKit/public:blink",
+ "//v8",
+ ]
+
+ # Link time optimization "ICF" breaks 1:1 mappings of the external references
+ # for V8 snapshot. So, we disable it while taking a V8 snapshot.
+ configs += [
+ "//v8:external_startup_data",
+ ":disable_icf",
+ ]
+}
+
source_set("gin_test") {
testonly = true
sources = [
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