src/share/vm/oops/klass.hpp

rev 7183 : autospecialized oop_iterate using SFINAE and templates

*** 26,36 ****
  #define SHARE_VM_OOPS_KLASS_HPP
  
  #include "memory/genOopClosures.hpp"
  #include "memory/iterator.hpp"
  #include "memory/memRegion.hpp"
! #include "memory/specialized_oop_closures.hpp"
  #include "oops/klassPS.hpp"
  #include "oops/metadata.hpp"
  #include "oops/oop.hpp"
  #include "trace/traceMacros.hpp"
  #include "utilities/accessFlags.hpp"
--- 26,36 ----
  #define SHARE_VM_OOPS_KLASS_HPP
  
  #include "memory/genOopClosures.hpp"
  #include "memory/iterator.hpp"
  #include "memory/memRegion.hpp"
! #include "memory/specialized_oop_closures.inline.hpp"
  #include "oops/klassPS.hpp"
  #include "oops/metadata.hpp"
  #include "oops/oop.hpp"
  #include "trace/traceMacros.hpp"
  #include "utilities/accessFlags.hpp"
*** 575,584 ****
--- 575,593 ----
    static void clean_weak_klass_links(BoolObjectClosure* is_alive, bool clean_alive_klasses = true);
    static void clean_subklass_tree(BoolObjectClosure* is_alive) {
      clean_weak_klass_links(is_alive, false /* clean_alive_klasses */);
    }
  
+   struct OopInterval {
+     int _offset;
+     uint _size;
+   };
+ 
+   // Returns positive value if oop maps could be returned and the klass doesn't need to know closure type.
+   // Otherwise returns a negative value corresponding to which klass implementation is being used (DispatchTag).
+   virtual int get_linear_oop_intervals(oop obj, OopInterval* &start, int &size) { return _unknown_klass; }
+ 
    // iterators
    virtual int oop_oop_iterate(oop obj, ExtendedOopClosure* blk) = 0;
    virtual int oop_oop_iterate_v(oop obj, ExtendedOopClosure* blk) {
      return oop_oop_iterate(obj, blk);
    }