src/share/vm/oops/instanceKlass.hpp

*** 176,185 ****
--- 176,186 ----
    u2              _source_file_name_index;
    u2              _static_oop_field_count;// number of static oop fields in this klass
    u2              _java_fields_count;    // The number of declared Java fields
    int             _nonstatic_oop_map_size;// size in words of nonstatic oop map blocks
  
+   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
  
    // The low two bits of _misc_flags contains the kind field.
*** 209,220 ****
    };
    u2              _misc_flags;
    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)
    OopMapCache*    volatile _oop_map_cache;   // OopMapCache for all methods in the klass (allocated lazily)
    MemberNameTable* _member_names;        // Member names
    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
    intptr_t        _dep_context;          // packed DependencyContext structure
--- 210,219 ----
*** 309,322 ****
    void set_static_field_size(int size)     { _static_field_size = size; }
  
    int static_oop_field_count() const       { return (int)_static_oop_field_count; }
    void set_static_oop_field_count(u2 size) { _static_oop_field_count = size; }
  
-   // Java vtable
-   int  vtable_length() const               { return _vtable_len; }
-   void set_vtable_length(int len)          { _vtable_len = len; }
- 
    // Java itable
    int  itable_length() const               { return _itable_len; }
    void set_itable_length(int len)          { _itable_len = len; }
  
    // array klasses
--- 308,317 ----
*** 949,961 ****
    }
  #if INCLUDE_SERVICES
    virtual void collect_statistics(KlassSizeStats *sz) const;
  #endif
  
-   static ByteSize vtable_start_offset()    { return in_ByteSize(header_size() * wordSize); }
-   static ByteSize vtable_length_offset()   { return byte_offset_of(InstanceKlass, _vtable_len); }
- 
    intptr_t* start_of_vtable() const        { return (intptr_t*) ((address)this + in_bytes(vtable_start_offset())); }
    intptr_t* start_of_itable() const        { return start_of_vtable() + align_object_offset(vtable_length()); }
    int  itable_offset_in_words() const { return start_of_itable() - (intptr_t*)this; }
  
    intptr_t* end_of_itable() const          { return start_of_itable() + itable_length(); }
--- 944,953 ----