161   GenRemSet* rem_set() { return _rem_set; }

   161   GenRemSet* rem_set() { return _rem_set; }

   162 

   162 

   163   // Iteration functions.

   163   // Iteration functions.

   164   void oop_iterate(ExtendedOopClosure* cl) = 0;

   164   void oop_iterate(ExtendedOopClosure* cl) = 0;

   165 

   165 

   169   // Iterate over all spaces in use in the heap, in an undefined order.

   166   // Iterate over all spaces in use in the heap, in an undefined order.

   170   virtual void space_iterate(SpaceClosure* cl) = 0;

   167   virtual void space_iterate(SpaceClosure* cl) = 0;

   171 

   168 

   172   // A SharedHeap will contain some number of spaces.  This finds the

   169   // A SharedHeap will contain some number of spaces.  This finds the

   173   // space whose reserved area contains the given address, or else returns

   170   // space whose reserved area contains the given address, or else returns