src/share/vm/oops/instanceKlass.hpp

*** 205,220 ****
    int             _itable_len;           // length of Java itable (in words)
    // _is_marked_dependent can be set concurrently, thus cannot be part of the
    // _misc_flags.
    bool            _is_marked_dependent;  // used for marking during flushing and deoptimization
  
    enum {
      _extra_is_being_redefined = 1 << 0, // used for locking redefinition
      _extra_has_value_fields   = 1 << 1, // has value fields and related embedded section is not empty
!     _extra_has_vcc_klass      = 1 << 2  // has a pointer to its Value Capable Class (MVT)
    };
  
    u1              _extra_flags;
  
    // The low three bits of _misc_flags contains the kind field.
    // This can be used to quickly discriminate among the five kinds of
    // InstanceKlass.
--- 205,223 ----
    int             _itable_len;           // length of Java itable (in words)
    // _is_marked_dependent can be set concurrently, thus cannot be part of the
    // _misc_flags.
    bool            _is_marked_dependent;  // used for marking during flushing and deoptimization
  
+  public:
    enum {
      _extra_is_being_redefined = 1 << 0, // used for locking redefinition
      _extra_has_value_fields   = 1 << 1, // has value fields and related embedded section is not empty
!     _extra_is_bufferable      = 1 << 2, // value can be buffered out side of the Java heap
!     _extra_has_vcc_klass      = 1 << 3  // has a pointer to its Value Capable Class (MVT)
    };
  
+  protected:
    u1              _extra_flags;
  
    // The low three bits of _misc_flags contains the kind field.
    // This can be used to quickly discriminate among the five kinds of
    // InstanceKlass.
*** 541,550 ****
--- 544,555 ----
  
    // marking
    bool is_marked_dependent() const         { return _is_marked_dependent; }
    void set_is_marked_dependent(bool value) { _is_marked_dependent = value; }
  
+   static ByteSize extra_flags_offset() { return in_ByteSize(offset_of(InstanceKlass, _extra_flags)); }
+ 
    // initialization (virtuals from Klass)
    bool should_be_initialized() const;  // means that initialize should be called
    void initialize(TRAPS);
    void link_class(TRAPS);
    bool link_class_or_fail(TRAPS); // returns false on failure