src/share/vm/gc/shenandoah/shenandoahHeap.inline.hpp

rev 13132 : Correctly iterate references in humongous regions.

*** 524,537 ****
--- 524,560 ----
    void do_object(oop obj) {
      obj->oop_iterate(_cl);
    }
  };
  
+ template <class T>
+ class ShenandoahObjectToOopBoundedClosure : public ObjectClosure {
+   T* _cl;
+   MemRegion _bounds;
+ public:
+   ShenandoahObjectToOopBoundedClosure(T* cl, HeapWord* bottom, HeapWord* top) :
+     _cl(cl), _bounds(bottom, top) {}
+ 
+   void do_object(oop obj) {
+     obj->oop_iterate(_cl, _bounds);
+   }
+ };
  template<class T>
  inline void ShenandoahHeap::marked_object_oop_iterate(ShenandoahHeapRegion* region, T* cl) {
+   if (region->is_humongous()) {
+     HeapWord* bottom = region->bottom();
+     HeapWord* top = region->top();
+     // Go to start of humongous region.
+     while (! region->is_humongous_start()) {
+       region = _ordered_regions->get(region->region_number() - 1);
+     }
+     ShenandoahObjectToOopBoundedClosure<T> objs(cl, bottom, top);
+     marked_object_iterate(region, &objs);
+   } else {
      ShenandoahObjectToOopClosure<T> objs(cl);
      marked_object_iterate(region, &objs);
+   }
  }
  
  template<class T>
  inline void ShenandoahHeap::marked_object_oop_iterate(ShenandoahHeapRegion* region, T* cl, HeapWord* limit) {
    ShenandoahObjectToOopClosure<T> objs(cl);