1 files changed, 21 insertions, 6 deletions
diff --git a/deps/v8/src/wasm/wasm-serialization.h b/deps/v8/src/wasm/wasm-serialization.h
index 352195b2b0b..436a369fb6e 100644
--- a/deps/v8/src/wasm/wasm-serialization.h
+++ b/deps/v8/src/wasm/wasm-serialization.h
@@ -11,12 +11,27 @@ namespace v8 {
 namespace internal {
 namespace wasm {
 
-size_t GetSerializedNativeModuleSize(Isolate* isolate,
-                                     NativeModule* native_module);
-
-bool SerializeNativeModule(Isolate* isolate, NativeModule* native_module,
-                           Vector<byte> buffer);
-
+// Support to serialize WebAssembly {NativeModule} objects. This class intends
+// to be thread-safe in that it takes a consistent snapshot of the module state
+// at instantiation, allowing other threads to mutate the module concurrently.
+class WasmSerializer {
+ public:
+  WasmSerializer(Isolate* isolate, NativeModule* native_module);
+
+  // Measure the required buffer size needed for serialization.
+  size_t GetSerializedNativeModuleSize() const;
+
+  // Serialize the {NativeModule} into the provided {buffer}. Returns true on
+  // success and false if the given buffer it too small for serialization.
+  bool SerializeNativeModule(Vector<byte> buffer) const;
+
+ private:
+  Isolate* isolate_;
+  NativeModule* native_module_;
+  std::vector<WasmCode*> code_table_;
+};
+
+// Support to deserialize WebAssembly {NativeModule} objects.
 MaybeHandle<WasmModuleObject> DeserializeNativeModule(
     Isolate* isolate, Vector<const byte> data, Vector<const byte> wire_bytes);