519   virtual bool is_scavengable(oop obj) = 0;

   519   virtual bool is_scavengable(oop obj) = 0;

   520   // Registering and unregistering an nmethod (compiled code) with the heap.

   520   // Registering and unregistering an nmethod (compiled code) with the heap.

   521   // Override with specific mechanism for each specialized heap type.

   521   // Override with specific mechanism for each specialized heap type.

   522   virtual void register_nmethod(nmethod* nm) {}

   522   virtual void register_nmethod(nmethod* nm) {}

   523   virtual void unregister_nmethod(nmethod* nm) {}

   523   virtual void unregister_nmethod(nmethod* nm) {}

   524   virtual void verify_nmethod(nmethod* nmethod) {}

   525   virtual void verify_nmethod(nmethod* nmethod) {}

   525 

   526 

   526   void trace_heap_before_gc(const GCTracer* gc_tracer);

   527   void trace_heap_before_gc(const GCTracer* gc_tracer);

   527   void trace_heap_after_gc(const GCTracer* gc_tracer);

   528   void trace_heap_after_gc(const GCTracer* gc_tracer);

   528 

   529