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src/hotspot/share/gc/g1/g1EvacFailure.cpp

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rev 49290 : [mq]: JDK-8199735.01.patch


  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "gc/g1/dirtyCardQueue.hpp"
  27 #include "gc/g1/g1CollectedHeap.inline.hpp"
  28 #include "gc/g1/g1CollectorState.hpp"
  29 #include "gc/g1/g1ConcurrentMark.inline.hpp"
  30 #include "gc/g1/g1EvacFailure.hpp"
  31 #include "gc/g1/g1HeapVerifier.hpp"
  32 #include "gc/g1/g1OopClosures.inline.hpp"
  33 #include "gc/g1/g1_globals.hpp"
  34 #include "gc/g1/heapRegion.hpp"
  35 #include "gc/g1/heapRegionRemSet.hpp"
  36 #include "gc/shared/preservedMarks.inline.hpp"

  37 
  38 class UpdateRSetDeferred : public ExtendedOopClosure {
  39 private:
  40   G1CollectedHeap* _g1;
  41   DirtyCardQueue* _dcq;
  42   G1CardTable*    _ct;
  43 
  44 public:
  45   UpdateRSetDeferred(DirtyCardQueue* dcq) :
  46     _g1(G1CollectedHeap::heap()), _ct(_g1->card_table()), _dcq(dcq) {}
  47 
  48   virtual void do_oop(narrowOop* p) { do_oop_work(p); }
  49   virtual void do_oop(      oop* p) { do_oop_work(p); }
  50   template <class T> void do_oop_work(T* p) {
  51     assert(_g1->heap_region_containing(p)->is_in_reserved(p), "paranoia");
  52     assert(!_g1->heap_region_containing(p)->is_survivor(), "Unexpected evac failure in survivor region");
  53 
  54     T const o = oopDesc::load_heap_oop(p);
  55     if (oopDesc::is_null(o)) {
  56       return;




  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "gc/g1/dirtyCardQueue.hpp"
  27 #include "gc/g1/g1CollectedHeap.inline.hpp"
  28 #include "gc/g1/g1CollectorState.hpp"
  29 #include "gc/g1/g1ConcurrentMark.inline.hpp"
  30 #include "gc/g1/g1EvacFailure.hpp"
  31 #include "gc/g1/g1HeapVerifier.hpp"
  32 #include "gc/g1/g1OopClosures.inline.hpp"
  33 #include "gc/g1/g1_globals.hpp"
  34 #include "gc/g1/heapRegion.hpp"
  35 #include "gc/g1/heapRegionRemSet.hpp"
  36 #include "gc/shared/preservedMarks.inline.hpp"
  37 #include "oops/oop.inline.hpp"
  38 
  39 class UpdateRSetDeferred : public ExtendedOopClosure {
  40 private:
  41   G1CollectedHeap* _g1;
  42   DirtyCardQueue* _dcq;
  43   G1CardTable*    _ct;
  44 
  45 public:
  46   UpdateRSetDeferred(DirtyCardQueue* dcq) :
  47     _g1(G1CollectedHeap::heap()), _ct(_g1->card_table()), _dcq(dcq) {}
  48 
  49   virtual void do_oop(narrowOop* p) { do_oop_work(p); }
  50   virtual void do_oop(      oop* p) { do_oop_work(p); }
  51   template <class T> void do_oop_work(T* p) {
  52     assert(_g1->heap_region_containing(p)->is_in_reserved(p), "paranoia");
  53     assert(!_g1->heap_region_containing(p)->is_survivor(), "Unexpected evac failure in survivor region");
  54 
  55     T const o = oopDesc::load_heap_oop(p);
  56     if (oopDesc::is_null(o)) {
  57       return;


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