src/share/vm/gc/shared/barrierSet.hpp

@@ -186,10 +186,13 @@
   // count is # array elements being written, starting with "start",
   // which may not necessarily be HeapWord-aligned.
   static void static_write_ref_array_pre(HeapWord* start, size_t count);
   static void static_write_ref_array_post(HeapWord* start, size_t count);
 
+  virtual void write_ref_nmethod_pre(oop* dst, nmethod* nm) {}
+  virtual void write_ref_nmethod_post(oop* dst, nmethod* nm) {}
+
 protected:
   virtual void write_ref_array_work(MemRegion mr) = 0;
 public:
   virtual void write_prim_array(MemRegion mr) = 0;