[wasm] Serialization/Deserialization of compiled module

src/snapshot/deserializer.cc

 // Copyright 2016 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.
 
 #include "src/snapshot/deserializer.h"
 
 #include "src/bootstrapper.h"
 #include "src/external-reference-table.h"
 #include "src/heap/heap.h"
 #include "src/isolate.h"
@@ skipping 118 matching lines @@
 
   isolate->heap()->RegisterReservationsForBlackAllocation(reservations_);
 
   // There's no code deserialized here. If this assert fires then that's
   // changed and logging should be added to notify the profiler et al of the
   // new code, which also has to be flushed from instruction cache.
   CHECK_EQ(start_address, code_space->top());
   return Handle<Object>(root, isolate);
 }
 
-MaybeHandle<SharedFunctionInfo> Deserializer::DeserializeCode(
-    Isolate* isolate) {
+MaybeHandle<HeapObject> Deserializer::DeserializeObject(Isolate* isolate) {
   Initialize(isolate);
   if (!ReserveSpace()) {
-    return Handle<SharedFunctionInfo>();
+    return MaybeHandle<HeapObject>();
   } else {
     deserializing_user_code_ = true;
     HandleScope scope(isolate);
-    Handle<SharedFunctionInfo> result;
+    Handle<HeapObject> result;
     {
       DisallowHeapAllocation no_gc;
       Object* root;
       VisitPointer(&root);
       DeserializeDeferredObjects();
       FlushICacheForNewCodeObjectsAndRecordEmbeddedObjects();
-      result = Handle<SharedFunctionInfo>(SharedFunctionInfo::cast(root));
+      result = Handle<HeapObject>(HeapObject::cast(root));
       isolate->heap()->RegisterReservationsForBlackAllocation(reservations_);
     }
     CommitPostProcessedObjects(isolate);
     return scope.CloseAndEscape(result);
   }
 }
 
 Deserializer::~Deserializer() {
   // TODO(svenpanne) Re-enable this assertion when v8 initialization is fixed.
   // DCHECK(source_.AtEOF());
@@ skipping 644 matching lines @@
 
       default:
         CHECK(false);
     }
   }
   CHECK_EQ(limit, current);
   return true;
 }
 }  // namespace internal
 }  // namespace v8