In-heap small typed arrays

src/runtime.h

Index: src/runtime.h
diff --git a/src/runtime.h b/src/runtime.h
index aa811a67ad3e615f035c6932e4002ee4f538a8a8..5fd03f0409adfb504dc2cbbabcd327aa86ac285c 100644
--- a/src/runtime.h
+++ b/src/runtime.h
@@ -375,6 +375,7 @@ namespace internal {
   F(TypedArrayGetByteOffset, 1, 1) \
   F(TypedArrayGetLength, 1, 1) \
   F(TypedArraySetFastCases, 3, 1) \
+  F(TypedArrayMaxSizeInHeap, 0, 1) \
   \
   F(DataViewInitialize, 4, 1) \
   F(DataViewGetBuffer, 1, 1) \
@@ -470,6 +471,15 @@ namespace internal {
   F(HasExternalUint32Elements, 1, 1) \
   F(HasExternalFloat32Elements, 1, 1) \
   F(HasExternalFloat64Elements, 1, 1) \
+  F(HasFixedUint8ClampedElements, 1, 1) \
+  F(HasFixedInt8Elements, 1, 1) \
+  F(HasFixedUint8Elements, 1, 1) \
+  F(HasFixedInt16Elements, 1, 1) \
+  F(HasFixedUint16Elements, 1, 1) \
+  F(HasFixedInt32Elements, 1, 1) \
+  F(HasFixedUint32Elements, 1, 1) \
+  F(HasFixedFloat32Elements, 1, 1) \
+  F(HasFixedFloat64Elements, 1, 1) \
   F(HasFastProperties, 1, 1) \
   F(TransitionElementsKind, 2, 1) \
   F(HaveSameMap, 2, 1) \
@@ -851,7 +861,10 @@ class Runtime : public AllStatic {
   };
 
   static void ArrayIdToTypeAndSize(int array_id,
-      ExternalArrayType *type, size_t *element_size);
+      ExternalArrayType *type,
+      ElementsKind* external_elements_kind,
+      ElementsKind* fixed_elements_kind,
+      size_t *element_size);
 
   // Helper functions used stubs.
   static void PerformGC(Object* result, Isolate* isolate);