[wasm] external serialization APIs

src/objects-inl.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // Review notes:
 //
 // - The use of macros in these inline functions may seem superfluous
 // but it is absolutely needed to make sure gcc generates optimal
 // code. gcc is not happy when attempting to inline too deep.
 //
@@ skipping 125 matching lines @@
     return BooleanBit::get(field(), offset);               \
   }                                                        \
   void holder::set_##name(bool value) {                    \
     set_##field(BooleanBit::set(field(), offset, value));  \
   }
 
 bool HeapObject::IsFixedArrayBase() const {
   return IsFixedArray() || IsFixedDoubleArray() || IsFixedTypedArrayBase();
 }
 
+bool HeapObject::IsWebAssemblyCompiledModule() const {
+  if (!IsJSObject()) return false;
+  return GetIsolate()->native_context()->wasm_module_constructor() ==
+         this->map()->GetConstructor();
+}
+
 bool HeapObject::IsFixedArray() const {
   InstanceType instance_type = map()->instance_type();
   return instance_type == FIXED_ARRAY_TYPE ||
          instance_type == TRANSITION_ARRAY_TYPE;
 }
 
 
 // External objects are not extensible, so the map check is enough.
 bool HeapObject::IsExternal() const {
   return map() == GetHeap()->external_map();
@@ skipping 8030 matching lines @@
 #undef WRITE_INT64_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_OBJECTS_INL_H_