src/share/vm/oops/instanceKlass.hpp

*** 238,248 ****
    u2              _minor_version;        // minor version number of class file
    u2              _major_version;        // major version number of class file
    Thread*         _init_thread;          // Pointer to current thread doing initialization (to handle recusive initialization)
    int             _vtable_len;           // length of Java vtable (in words)
    int             _itable_len;           // length of Java itable (in words)
-   ReferenceType   _reference_type;       // reference type
    OopMapCache*    volatile _oop_map_cache;   // OopMapCache for all methods in the klass (allocated lazily)
    JNIid*          _jni_ids;              // First JNI identifier for static fields in this class
    jmethodID*      _methods_jmethod_ids;  // jmethodIDs corresponding to method_idnum, or NULL if none
    int*            _methods_cached_itable_indices;  // itable_index cache for JNI invoke corresponding to methods idnum, or NULL
    nmethodBucket*  _dependencies;         // list of dependent nmethods
--- 238,247 ----
*** 263,272 ****
--- 262,273 ----
    // Class states are defined as ClassState (see above).
    // Place the _init_state here to utilize the unused 2-byte after
    // _idnum_allocated_count.
    u1              _init_state;                    // state of class
  
+   u1              _reference_type;                // reference type
+ 
    // embedded Java vtable follows here
    // embedded Java itables follows here
    // embedded static fields follows here
    // embedded nonstatic oop-map blocks follows here
  
*** 405,416 ****
  
    // set the class to initialized if no static initializer is present
    void eager_initialize(Thread *thread);
  
    // reference type
!   ReferenceType reference_type() const     { return _reference_type; }
!   void set_reference_type(ReferenceType t) { _reference_type = t; }
  
    static ByteSize reference_type_offset() { return in_ByteSize(sizeof(klassOopDesc) + offset_of(instanceKlass, _reference_type)); }
  
    // find local field, returns true if found
    bool find_local_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const;
--- 406,420 ----
  
    // set the class to initialized if no static initializer is present
    void eager_initialize(Thread *thread);
  
    // reference type
!   ReferenceType reference_type() const     { return (ReferenceType)_reference_type; }
!   void set_reference_type(ReferenceType t) {
!     assert(t <= 0xFF, "overflow");
!     _reference_type = (u1)t; 
!   }
  
    static ByteSize reference_type_offset() { return in_ByteSize(sizeof(klassOopDesc) + offset_of(instanceKlass, _reference_type)); }
  
    // find local field, returns true if found
    bool find_local_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const;