src/share/vm/gc/g1/g1MarkSweep.hpp

*** 42,62 ****
--- 42,72 ----
  // generations are assumed to support marking; those that can also support
  // compaction.
  //
  // Class unloading will only occur when a full gc is invoked.
  class G1PrepareCompactClosure;
+ class G1ArchiveRegionMap;
  
  class G1MarkSweep : AllStatic {
   public:
  
    static void invoke_at_safepoint(ReferenceProcessor* rp,
                                    bool clear_all_softrefs);
  
    static STWGCTimer* gc_timer() { return GenMarkSweep::_gc_timer; }
    static SerialOldTracer* gc_tracer() { return GenMarkSweep::_gc_tracer; }
  
+   // Support for 'archive' objects, to prevent objects in archive regions
+   // from being marked by full GCs.
+   static void enable_archive_object_check();
+   static void mark_range_archive(HeapWord* start, HeapWord* end);
+   static bool in_archive_range(oop object);
+   static bool archive_check_enabled() { return G1MarkSweep::_archive_check_enabled; }
+ 
   private:
+   static bool _archive_check_enabled;
+   static G1ArchiveRegionMap  _archive_region_map;
  
    // Mark live objects
    static void mark_sweep_phase1(bool& marked_for_deopt,
                                  bool clear_all_softrefs);
    // Calculate new addresses
*** 91,96 ****
--- 101,111 ----
  
    void update_sets();
    bool doHeapRegion(HeapRegion* hr);
  };
  
+ class G1ArchiveRegionMap : public G1BiasedMappedArray<bool> {
+ protected:
+   bool default_value() const { return false; }
+ };
+ 
  #endif // SHARE_VM_GC_G1_G1MARKSWEEP_HPP