agent/src/share/classes/sun/jvm/hotspot/memory/ProtectionDomainEntry.java

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rev 5310 : imported patch ioi_original_patch
   1 /*
   2  * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   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.oops.*;
  30 import sun.jvm.hotspot.runtime.*;
  31 import sun.jvm.hotspot.types.*;
  32 
  33 public class ProtectionDomainEntry extends VMObject {
  34   private static AddressField nextField;
  35   private static sun.jvm.hotspot.types.OopField protectionDomainField;
  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("ProtectionDomainEntry");
  47 
  48     nextField = type.getAddressField("_next");
  49     protectionDomainField = type.getOopField("_protection_domain");
  50   }
  51 
  52   public ProtectionDomainEntry(Address addr) {
  53     super(addr);
  54   }
  55 
  56   public ProtectionDomainEntry next() {
  57     return (ProtectionDomainEntry) VMObjectFactory.newObject(ProtectionDomainEntry.class, addr);
  58   }
  59 
  60   public Oop protectionDomain() {
  61     return VM.getVM().getObjectHeap().newOop(protectionDomainField.getValue(addr));


  62   }
  63 }
   1 /*
   2  * Copyright (c) 2001, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   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.oops.*;
  30 import sun.jvm.hotspot.runtime.*;
  31 import sun.jvm.hotspot.types.*;
  32 
  33 public class ProtectionDomainEntry extends VMObject {
  34   private static AddressField nextField;
  35   private static AddressField pdCacheField;
  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("ProtectionDomainEntry");
  47 
  48     nextField = type.getAddressField("_next");
  49     pdCacheField = type.getAddressField("_pd_cache");
  50   }
  51 
  52   public ProtectionDomainEntry(Address addr) {
  53     super(addr);
  54   }
  55 
  56   public ProtectionDomainEntry next() {
  57     return (ProtectionDomainEntry) VMObjectFactory.newObject(ProtectionDomainEntry.class, nextField.getValue(addr));
  58   }
  59 
  60   public Oop protectionDomain() {
  61     ProtectionDomainCacheEntry pd_cache = (ProtectionDomainCacheEntry)
  62       VMObjectFactory.newObject(ProtectionDomainCacheEntry.class, pdCacheField.getValue(addr));
  63     return pd_cache.protectionDomain();
  64   }
  65 }