src/hotspot/share/prims/whitebox.cpp

rev 51946 : 8211270: GC abstraction to get real object and headers size

@@ -369,11 +369,11 @@
   return !gch->is_in_young(p);
 WB_END
 
 WB_ENTRY(jlong, WB_GetObjectSize(JNIEnv* env, jobject o, jobject obj))
   oop p = JNIHandles::resolve(obj);
-  return p->size() * HeapWordSize;
+  return Universe::heap()->obj_size(p) * HeapWordSize;
 WB_END
 
 WB_ENTRY(jlong, WB_GetHeapSpaceAlignment(JNIEnv* env, jobject o))
   size_t alignment = Universe::heap()->collector_policy()->space_alignment();
   return (jlong)alignment;