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

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rev 57734 : 8236880: Shenandoah: Move string dedup cleanup into concurrent phase


   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  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 #ifndef SHARE_GC_SHENANDOAH_SHENANDOAHCLOSURES_HPP
  25 #define SHARE_GC_SHENANDOAH_SHENANDOAHCLOSURES_HPP
  26 
  27 #include "memory/iterator.hpp"

  28 
  29 class ShenandoahHeap;
  30 class ShenandoahMarkingContext;
  31 class ShenandoahHeapRegionSet;
  32 class Thread;
  33 
  34 class ShenandoahForwardedIsAliveClosure: public BoolObjectClosure {
  35 private:
  36   ShenandoahMarkingContext* const _mark_context;
  37 public:
  38   inline ShenandoahForwardedIsAliveClosure();
  39   inline bool do_object_b(oop obj);
  40 };
  41 
  42 class ShenandoahIsAliveClosure: public BoolObjectClosure {
  43 private:
  44   ShenandoahMarkingContext* const _mark_context;
  45 public:
  46   inline ShenandoahIsAliveClosure();
  47   inline bool do_object_b(oop obj);


  64   inline void do_oop(narrowOop* p);
  65 private:
  66   template <class T>
  67   inline void do_oop_work(T* p);
  68 };
  69 
  70 class ShenandoahTraversalUpdateRefsClosure: public OopClosure {
  71 private:
  72   ShenandoahHeap* const           _heap;
  73   ShenandoahHeapRegionSet* const  _traversal_set;
  74 
  75 public:
  76   inline ShenandoahTraversalUpdateRefsClosure();
  77   inline void do_oop(oop* p);
  78   inline void do_oop(narrowOop* p);
  79 private:
  80   template <class T>
  81   inline void do_oop_work(T* p);
  82 };
  83 

  84 class ShenandoahEvacuateUpdateRootsClosure: public BasicOopIterateClosure {
  85 private:
  86   ShenandoahHeap* _heap;
  87   Thread* _thread;
  88 public:
  89   inline ShenandoahEvacuateUpdateRootsClosure();
  90   inline void do_oop(oop* p);
  91   inline void do_oop(narrowOop* p);
  92 
  93 private:
  94   template <class T>
  95   inline void do_oop_work(T* p);
  96 };
  97 
  98 class ShenandoahEvacUpdateOopStorageRootsClosure : public BasicOopIterateClosure {
  99 private:
 100   ShenandoahHeap* _heap;
 101   Thread* _thread;
 102 public:
 103   inline ShenandoahEvacUpdateOopStorageRootsClosure();




   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  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 #ifndef SHARE_GC_SHENANDOAH_SHENANDOAHCLOSURES_HPP
  25 #define SHARE_GC_SHENANDOAH_SHENANDOAHCLOSURES_HPP
  26 
  27 #include "memory/iterator.hpp"
  28 #include "oops/accessDecorators.hpp"
  29 
  30 class ShenandoahHeap;
  31 class ShenandoahMarkingContext;
  32 class ShenandoahHeapRegionSet;
  33 class Thread;
  34 
  35 class ShenandoahForwardedIsAliveClosure: public BoolObjectClosure {
  36 private:
  37   ShenandoahMarkingContext* const _mark_context;
  38 public:
  39   inline ShenandoahForwardedIsAliveClosure();
  40   inline bool do_object_b(oop obj);
  41 };
  42 
  43 class ShenandoahIsAliveClosure: public BoolObjectClosure {
  44 private:
  45   ShenandoahMarkingContext* const _mark_context;
  46 public:
  47   inline ShenandoahIsAliveClosure();
  48   inline bool do_object_b(oop obj);


  65   inline void do_oop(narrowOop* p);
  66 private:
  67   template <class T>
  68   inline void do_oop_work(T* p);
  69 };
  70 
  71 class ShenandoahTraversalUpdateRefsClosure: public OopClosure {
  72 private:
  73   ShenandoahHeap* const           _heap;
  74   ShenandoahHeapRegionSet* const  _traversal_set;
  75 
  76 public:
  77   inline ShenandoahTraversalUpdateRefsClosure();
  78   inline void do_oop(oop* p);
  79   inline void do_oop(narrowOop* p);
  80 private:
  81   template <class T>
  82   inline void do_oop_work(T* p);
  83 };
  84 
  85 template <DecoratorSet MO = MO_UNORDERED>
  86 class ShenandoahEvacuateUpdateRootsClosure: public BasicOopIterateClosure {
  87 private:
  88   ShenandoahHeap* _heap;
  89   Thread* _thread;
  90 public:
  91   inline ShenandoahEvacuateUpdateRootsClosure();
  92   inline void do_oop(oop* p);
  93   inline void do_oop(narrowOop* p);
  94 
  95 private:
  96   template <class T>
  97   inline void do_oop_work(T* p);
  98 };
  99 
 100 class ShenandoahEvacUpdateOopStorageRootsClosure : public BasicOopIterateClosure {
 101 private:
 102   ShenandoahHeap* _heap;
 103   Thread* _thread;
 104 public:
 105   inline ShenandoahEvacUpdateOopStorageRootsClosure();


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