Recording array buffer views.

src/objects-visiting-inl.h

Index: src/objects-visiting-inl.h
diff --git a/src/objects-visiting-inl.h b/src/objects-visiting-inl.h
index f83f00fd5d139574a9ccc2a3ab9ae09456794f0d..809e2f3d21cfd71ce86bb2c718f93533897a6d17 100644
--- a/src/objects-visiting-inl.h
+++ b/src/objects-visiting-inl.h
@@ -79,6 +79,10 @@ void StaticNewSpaceVisitor<StaticVisitor>::Initialize() {
 
   table_.Register(kVisitJSFunction, &VisitJSFunction);
 
+  table_.Register(kVisitJSArrayBuffer, &VisitJSArrayBuffer);
+
+  table_.Register(kVisitJSTypedArray, &VisitJSTypedArray);
+
   table_.Register(kVisitFreeSpace, &VisitFreeSpace);
 
   table_.Register(kVisitJSWeakMap, &JSObjectVisitor::Visit);
@@ -99,6 +103,45 @@ void StaticNewSpaceVisitor<StaticVisitor>::Initialize() {
 
 
 template<typename StaticVisitor>
+int StaticNewSpaceVisitor<StaticVisitor>::VisitJSArrayBuffer(
+    Map* map, HeapObject* object) {
+  Heap* heap = map->GetHeap();
+
+  int object_size = JSArrayBuffer::BodyDescriptor::SizeOf(map, object);
+  STATIC_ASSERT(
+      JSArrayBuffer::kWeakFirstArrayOffset ==
+      JSArrayBuffer::kWeakNextOffset + kPointerSize);
+  VisitPointers(
+      heap,
+      HeapObject::RawField(object, JSArrayBuffer::BodyDescriptor::kStartOffset),
+      HeapObject::RawField(object, JSArrayBuffer::kWeakNextOffset));
+  VisitPointers(
+      heap,
+      HeapObject::RawField(object,
+          JSArrayBuffer::kWeakNextOffset + 2 * kPointerSize),
+      HeapObject::RawField(object, object_size));
+  return object_size;
+}
+

[Michael Starzinger, 2013/06/06 09:53:18]

nit: Add a second empty newline.

[Dmitry Lomov (no reviews), 2013/06/06 13:18:34]

Done.

+template<typename StaticVisitor>
+int StaticNewSpaceVisitor<StaticVisitor>::VisitJSTypedArray(
+    Map* map, HeapObject* object) {
+  int object_size = JSTypedArray::BodyDescriptor::SizeOf(map, object);
+  VisitPointers(
+      map->GetHeap(),
+      HeapObject::RawField(object, JSTypedArray::BodyDescriptor::kStartOffset),
+      HeapObject::RawField(object, JSTypedArray::kWeakNextOffset));
+  VisitPointers(
+      map->GetHeap(),
+      HeapObject::RawField(object,
+          JSTypedArray::kWeakNextOffset + kPointerSize),
+      HeapObject::RawField(object, object_size));
+  return object_size;
+}
+
+
+

[Michael Starzinger, 2013/06/06 09:53:18]

nit: Drop the third empty newline.

[Dmitry Lomov (no reviews), 2013/06/06 13:18:34]

Done.

+template<typename StaticVisitor>
 void StaticMarkingVisitor<StaticVisitor>::Initialize() {
   table_.Register(kVisitShortcutCandidate,
                   &FixedBodyVisitor<StaticVisitor,
@@ -149,6 +192,11 @@ void StaticMarkingVisitor<StaticVisitor>::Initialize() {
 
   table_.Register(kVisitJSFunction, &VisitJSFunction);
 
+  table_.Register(kVisitJSArrayBuffer, &VisitJSArrayBuffer);
+
+  table_.Register(kVisitJSTypedArray, &VisitJSTypedArray);
+
+

[Michael Starzinger, 2013/06/06 09:53:18]

nit: Drop the second empty newline.

[Dmitry Lomov (no reviews), 2013/06/06 13:18:34]

Done.

   // Registration for kVisitJSRegExp is done by StaticVisitor.
 
   table_.Register(kVisitPropertyCell,
@@ -401,6 +449,42 @@ void StaticMarkingVisitor<StaticVisitor>::VisitJSRegExp(
 
 
 template<typename StaticVisitor>
+void StaticMarkingVisitor<StaticVisitor>::VisitJSArrayBuffer(
+    Map* map, HeapObject* object) {
+  Heap* heap = map->GetHeap();
+
+  int object_size = JSArrayBuffer::BodyDescriptor::SizeOf(map, object);
+  STATIC_ASSERT(
+      JSArrayBuffer::kWeakFirstArrayOffset ==
+      JSArrayBuffer::kWeakNextOffset + kPointerSize);
+  StaticVisitor::VisitPointers(
+      heap,
+      HeapObject::RawField(object, JSArrayBuffer::BodyDescriptor::kStartOffset),
+      HeapObject::RawField(object, JSArrayBuffer::kWeakNextOffset));
+  StaticVisitor::VisitPointers(
+      heap,
+      HeapObject::RawField(object,
+          JSArrayBuffer::kWeakNextOffset + 2 * kPointerSize),
+      HeapObject::RawField(object, object_size));
+}
+

[Michael Starzinger, 2013/06/06 09:53:18]

nit: Add a second empty newline.

[Dmitry Lomov (no reviews), 2013/06/06 13:18:34]

Done.

+template<typename StaticVisitor>
+void StaticMarkingVisitor<StaticVisitor>::VisitJSTypedArray(
+    Map* map, HeapObject* object) {
+  int object_size = JSTypedArray::BodyDescriptor::SizeOf(map, object);
+  StaticVisitor::VisitPointers(
+      map->GetHeap(),
+      HeapObject::RawField(object, JSTypedArray::BodyDescriptor::kStartOffset),
+      HeapObject::RawField(object, JSTypedArray::kWeakNextOffset));
+  StaticVisitor::VisitPointers(
+      map->GetHeap(),
+      HeapObject::RawField(object,
+        JSTypedArray::kWeakNextOffset + kPointerSize),
+      HeapObject::RawField(object, object_size));
+}
+
+
+template<typename StaticVisitor>
 void StaticMarkingVisitor<StaticVisitor>::MarkMapContents(
     Heap* heap, Map* map) {
   // Make sure that the back pointer stored either in the map itself or