src/hotspot/share/gc/shenandoah/shenandoahHeap.hpp

*** 55,64 ****
--- 55,65 ----
  class ShenandoahCollectionSet;
  class ShenandoahFreeSet;
  class ShenandoahConcurrentMark;
  class ShenandoahMarkCompact;
  class ShenandoahMonitoringSupport;
+ class ShenandoahObjectMarker;
  class ShenandoahPacer;
  class ShenandoahTraversalGC;
  class ShenandoahVerifier;
  class ShenandoahWorkGang;
  class VMStructs;
*** 117,126 ****
--- 118,128 ----
  class ShenandoahHeap : public CollectedHeap {
    friend class ShenandoahAsserts;
    friend class VMStructs;
    friend class ShenandoahGCSession;
    friend class ShenandoahGCStateResetter;
+   friend class ShenandoahObjectMarker;
  
  // ---------- Locks that guard important data structures in Heap
  //
  private:
    ShenandoahHeapLock _lock;
*** 559,568 ****
--- 561,571 ----
    // Used for parsing heap during error printing
    HeapWord* block_start(const void* addr) const;
    bool block_is_obj(const HeapWord* addr) const;
    bool print_location(outputStream* st, void* addr) const;
  
+   ObjectMarker* object_marker();
    // Used for native heap walkers: heap dumpers, mostly
    void object_iterate(ObjectClosure* cl);
  
    // Keep alive an object that was loaded with AS_NO_KEEPALIVE.
    void keep_alive(oop obj);
*** 652,661 ****
--- 655,668 ----
    // there is a tradeoff between static/dynamic footprint that translates
    // into cache pressure (which is already high during marking), and
    // too many atomic updates. size_t/jint is too large, jbyte is too small.
    jushort** _liveness_cache;
  
+ private:
+   bool commit_aux_bitmap();
+   void uncommit_aux_bit_map();
+ 
  public:
    inline ShenandoahMarkingContext* complete_marking_context() const;
    inline ShenandoahMarkingContext* marking_context() const;
    inline void mark_complete_marking_context();
    inline void mark_incomplete_marking_context();