--- a/hotspot/src/share/vm/oops/instanceKlass.hpp	Tue May 21 19:52:01 2013 -0700
+++ b/hotspot/src/share/vm/oops/instanceKlass.hpp	Wed May 22 14:37:49 2013 -0400
@@ -58,8 +58,6 @@
 //    [fields                     ]
 //    [constants                  ]
 //    [class loader               ]
-//    [protection domain          ]
-//    [signers                    ]
 //    [source file name           ]
 //    [inner classes              ]
 //    [static field size          ]
@@ -180,16 +178,6 @@
   static volatile int _total_instanceKlass_count;
 
  protected:
-  // Protection domain.
-  oop             _protection_domain;
-  // Class signers.
-  objArrayOop     _signers;
-  // Lock for (1) initialization; (2) access to the ConstantPool of this class.
-  // Must be one per class and it has to be a VM internal object so java code
-  // cannot lock it (like the mirror).
-  // It has to be an object not a Mutex because it's held through java calls.
-  volatile oop    _init_lock;
-
   // Annotations for this class
   Annotations*    _annotations;
   // Array classes holding elements of this class.
@@ -527,8 +515,10 @@
   void set_constants(ConstantPool* c)    { _constants = c; }
 
   // protection domain
-  oop protection_domain()                  { return _protection_domain; }
-  void set_protection_domain(oop pd)       { klass_oop_store(&_protection_domain, pd); }
+  oop protection_domain() const;
+
+  // signers
+  objArrayOop signers() const;
 
   // host class
   Klass* host_klass() const              {
@@ -575,10 +565,6 @@
     }
   }
 
-  // signers
-  objArrayOop signers() const              { return _signers; }
-  void set_signers(objArrayOop s)          { klass_oop_store((oop*)&_signers, s); }
-
   // source file name
   Symbol* source_file_name() const         { return _source_file_name; }
   void set_source_file_name(Symbol* n);
@@ -912,8 +898,6 @@
   Method* method_at_itable(Klass* holder, int index, TRAPS);
 
   // Garbage collection
-  virtual void oops_do(OopClosure* cl);
-
   void oop_follow_contents(oop obj);
   int  oop_adjust_pointers(oop obj);
 
@@ -999,14 +983,12 @@
 
   // Lock during initialization
 public:
-  volatile oop init_lock() const     {return _init_lock; }
+  // Lock for (1) initialization; (2) access to the ConstantPool of this class.
+  // Must be one per class and it has to be a VM internal object so java code
+  // cannot lock it (like the mirror).
+  // It has to be an object not a Mutex because it's held through java calls.
+  volatile oop init_lock() const;
 private:
-  void set_init_lock(oop value) { klass_oop_store(&_init_lock, value); }
-
-  // Offsets for memory management
-  oop* adr_protection_domain() const { return (oop*)&this->_protection_domain;}
-  oop* adr_signers() const           { return (oop*)&this->_signers;}
-  oop* adr_init_lock() const         { return (oop*)&this->_init_lock;}
 
   // Static methods that are used to implement member methods where an exposed this pointer
   // is needed due to possible GCs