src/hotspot/share/oops/instanceKlass.hpp

@@ -248,10 +248,11 @@
   // 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
 
+  u2              _this_class_index;              // constant pool entry
 #if INCLUDE_JVMTI
   JvmtiCachedClassFieldMap* _jvmti_cached_class_field_map;  // JVMTI: used during heap iteration
 #endif
 
   NOT_PRODUCT(int _verify_count;)  // to avoid redundant verifies

@@ -514,10 +515,14 @@
   void set_reference_type(ReferenceType t) {
     assert(t == (u1)t, "overflow");
     _reference_type = (u1)t;
   }
 
+  // this class cp index
+  u2 this_class_index() const             { return _this_class_index; }
+  void set_this_class_index(u2 index)     { _this_class_index = index; }
+
   static ByteSize reference_type_offset() { return in_ByteSize(offset_of(InstanceKlass, _reference_type)); }
 
   // find local field, returns true if found
   bool find_local_field(Symbol* name, Symbol* sig, fieldDescriptor* fd) const;
   // find field in direct superinterfaces, returns the interface in which the field is defined