5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   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.runtime;
  26 
  27 import java.util.*;
  28 import sun.jvm.hotspot.debugger.*;

  29 import sun.jvm.hotspot.types.*;
  30 
  31 public class VirtualSpace extends VMObject {
  32   private static AddressField lowField;
  33   private static AddressField highField;
  34   private static AddressField lowBoundaryField;
  35   private static AddressField highBoundaryField;
  36 
  37   static {
  38     VM.registerVMInitializedObserver(new Observer() {
  39         public void update(Observable o, Object data) {
  40           initialize(VM.getVM().getTypeDataBase());
  41         }
  42       });
  43   }
  44 
  45   private static synchronized void initialize(TypeDataBase db) {
  46     Type type = db.lookupType("VirtualSpace");
  47 
  48     lowField          = type.getAddressField("_low");

   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   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.memory;
  26 
  27 import java.util.*;
  28 import sun.jvm.hotspot.debugger.*;
  29 import sun.jvm.hotspot.runtime.*;
  30 import sun.jvm.hotspot.types.*;
  31 
  32 public class VirtualSpace extends VMObject {
  33   private static AddressField lowField;
  34   private static AddressField highField;
  35   private static AddressField lowBoundaryField;
  36   private static AddressField highBoundaryField;
  37 
  38   static {
  39     VM.registerVMInitializedObserver(new Observer() {
  40         public void update(Observable o, Object data) {
  41           initialize(VM.getVM().getTypeDataBase());
  42         }
  43       });
  44   }
  45 
  46   private static synchronized void initialize(TypeDataBase db) {
  47     Type type = db.lookupType("VirtualSpace");
  48 
  49     lowField          = type.getAddressField("_low");