--- a/hotspot/src/share/vm/prims/jvm.cpp	Fri Mar 09 13:34:45 2012 -0800
+++ b/hotspot/src/share/vm/prims/jvm.cpp	Tue Mar 13 13:50:48 2012 -0400
@@ -1301,9 +1301,6 @@
 // Inner class reflection ///////////////////////////////////////////////////////////////////////////////
 
 JVM_ENTRY(jobjectArray, JVM_GetDeclaredClasses(JNIEnv *env, jclass ofClass))
-  const int inner_class_info_index = 0;
-  const int outer_class_info_index = 1;
-
   JvmtiVMObjectAllocEventCollector oam;
   // ofClass is a reference to a java_lang_Class object. The mirror object
   // of an instanceKlass
@@ -1315,26 +1312,26 @@
   }
 
   instanceKlassHandle k(thread, java_lang_Class::as_klassOop(JNIHandles::resolve_non_null(ofClass)));
-
-  if (k->inner_classes()->length() == 0) {
+  InnerClassesIterator iter(k);
+
+  if (iter.length() == 0) {
     // Neither an inner nor outer class
     oop result = oopFactory::new_objArray(SystemDictionary::Class_klass(), 0, CHECK_NULL);
     return (jobjectArray)JNIHandles::make_local(env, result);
   }
 
   // find inner class info
-  typeArrayHandle    icls(thread, k->inner_classes());
   constantPoolHandle cp(thread, k->constants());
-  int length = icls->length();
+  int length = iter.length();
 
   // Allocate temp. result array
   objArrayOop r = oopFactory::new_objArray(SystemDictionary::Class_klass(), length/4, CHECK_NULL);
   objArrayHandle result (THREAD, r);
   int members = 0;
 
-  for(int i = 0; i < length; i += 4) {
-    int ioff = icls->ushort_at(i + inner_class_info_index);
-    int ooff = icls->ushort_at(i + outer_class_info_index);
+  for (; !iter.done(); iter.next()) {
+    int ioff = iter.inner_class_info_index();
+    int ooff = iter.outer_class_info_index();
 
     if (ioff != 0 && ooff != 0) {
       // Check to see if the name matches the class we're looking for
@@ -1392,17 +1389,13 @@
                                                      bool* inner_is_member,
                                                      TRAPS) {
   Thread* thread = THREAD;
-  const int inner_class_info_index = inner_class_inner_class_info_offset;
-  const int outer_class_info_index = inner_class_outer_class_info_offset;
-
-  if (k->inner_classes()->length() == 0) {
+  InnerClassesIterator iter(k);
+  if (iter.length() == 0) {
     // No inner class info => no declaring class
     return NULL;
   }
 
-  typeArrayHandle i_icls(thread, k->inner_classes());
   constantPoolHandle i_cp(thread, k->constants());
-  int i_length = i_icls->length();
 
   bool found = false;
   klassOop ok;
@@ -1410,10 +1403,10 @@
   *inner_is_member = false;
 
   // Find inner_klass attribute
-  for (int i = 0; i < i_length && !found; i += inner_class_next_offset) {
-    int ioff = i_icls->ushort_at(i + inner_class_info_index);
-    int ooff = i_icls->ushort_at(i + outer_class_info_index);
-    int noff = i_icls->ushort_at(i + inner_class_inner_name_offset);
+  for (; !iter.done() && !found; iter.next()) {
+    int ioff = iter.inner_class_info_index();
+    int ooff = iter.outer_class_info_index();
+    int noff = iter.inner_name_index();
     if (ioff != 0) {
       // Check to see if the name matches the class we're looking for
       // before attempting to find the class.