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src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/gc/g1/G1CollectedHeap.java

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   7  * published by the Free Software Foundation.
   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 
  25 package sun.jvm.hotspot.gc.g1;
  26 

  27 import java.util.Iterator;
  28 import java.util.Observable;
  29 import java.util.Observer;
  30 
  31 import sun.jvm.hotspot.debugger.Address;
  32 import sun.jvm.hotspot.gc.shared.CollectedHeap;
  33 import sun.jvm.hotspot.gc.shared.CollectedHeapName;
  34 import sun.jvm.hotspot.gc.shared.SpaceClosure;
  35 import sun.jvm.hotspot.memory.MemRegion;
  36 import sun.jvm.hotspot.runtime.VM;
  37 import sun.jvm.hotspot.runtime.VMObjectFactory;
  38 import sun.jvm.hotspot.types.AddressField;
  39 import sun.jvm.hotspot.types.CIntegerField;
  40 import sun.jvm.hotspot.types.Type;
  41 import sun.jvm.hotspot.types.TypeDataBase;
  42 
  43 // Mirror class for G1CollectedHeap.
  44 
  45 public class G1CollectedHeap extends CollectedHeap {
  46     // HeapRegionManager _hrm;


 106     public HeapRegionSetBase humongousSet() {
 107         Address humongousSetAddr = addr.addOffsetTo(humongousSetFieldOffset);
 108         return (HeapRegionSetBase) VMObjectFactory.newObject(HeapRegionSetBase.class,
 109                                                              humongousSetAddr);
 110     }
 111 
 112     private Iterator<HeapRegion> heapRegionIterator() {
 113         return hrm().heapRegionIterator();
 114     }
 115 
 116     public void heapRegionIterate(SpaceClosure scl) {
 117         Iterator<HeapRegion> iter = heapRegionIterator();
 118         while (iter.hasNext()) {
 119             HeapRegion hr = iter.next();
 120             scl.doSpace(hr);
 121         }
 122     }
 123 
 124     public CollectedHeapName kind() {
 125         return CollectedHeapName.G1_COLLECTED_HEAP;









 126     }
 127 
 128     public G1CollectedHeap(Address addr) {
 129         super(addr);
 130     }
 131 }


   7  * published by the Free Software Foundation.
   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 
  25 package sun.jvm.hotspot.gc.g1;
  26 
  27 import java.io.PrintStream;
  28 import java.util.Iterator;
  29 import java.util.Observable;
  30 import java.util.Observer;
  31 
  32 import sun.jvm.hotspot.debugger.Address;
  33 import sun.jvm.hotspot.gc.shared.CollectedHeap;
  34 import sun.jvm.hotspot.gc.shared.CollectedHeapName;
  35 import sun.jvm.hotspot.gc.shared.SpaceClosure;
  36 import sun.jvm.hotspot.memory.MemRegion;
  37 import sun.jvm.hotspot.runtime.VM;
  38 import sun.jvm.hotspot.runtime.VMObjectFactory;
  39 import sun.jvm.hotspot.types.AddressField;
  40 import sun.jvm.hotspot.types.CIntegerField;
  41 import sun.jvm.hotspot.types.Type;
  42 import sun.jvm.hotspot.types.TypeDataBase;
  43 
  44 // Mirror class for G1CollectedHeap.
  45 
  46 public class G1CollectedHeap extends CollectedHeap {
  47     // HeapRegionManager _hrm;


 107     public HeapRegionSetBase humongousSet() {
 108         Address humongousSetAddr = addr.addOffsetTo(humongousSetFieldOffset);
 109         return (HeapRegionSetBase) VMObjectFactory.newObject(HeapRegionSetBase.class,
 110                                                              humongousSetAddr);
 111     }
 112 
 113     private Iterator<HeapRegion> heapRegionIterator() {
 114         return hrm().heapRegionIterator();
 115     }
 116 
 117     public void heapRegionIterate(SpaceClosure scl) {
 118         Iterator<HeapRegion> iter = heapRegionIterator();
 119         while (iter.hasNext()) {
 120             HeapRegion hr = iter.next();
 121             scl.doSpace(hr);
 122         }
 123     }
 124 
 125     public CollectedHeapName kind() {
 126         return CollectedHeapName.G1_COLLECTED_HEAP;
 127     }
 128 
 129     @Override
 130     public void printOn(PrintStream tty) {
 131         MemRegion mr = reservedRegion();
 132 
 133         tty.print("garbage-first heap");
 134         tty.print(" [" + mr.start() + ", " + mr.end() + "]");
 135         tty.println(" region size " + (HeapRegion.grainBytes() / 1024) + "K");
 136     }
 137 
 138     public G1CollectedHeap(Address addr) {
 139         super(addr);
 140     }
 141 }
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