1 /*
2  * Copyright (c) 2011, 2012, 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.
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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
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23  */
24 
25 package sun.jvm.hotspot.ci;
26 
27 import java.io.*;
28 import java.util.*;
29 import sun.jvm.hotspot.debugger.*;
30 import sun.jvm.hotspot.runtime.*;
31 import sun.jvm.hotspot.oops.*;
32 import sun.jvm.hotspot.types.*;
33 
34 public class ciObject extends ciBaseObject {
35   static {
VM.registerVMInitializedObserver(new Observer() { public void update(Observable o, Object data) { initialize(VM.getVM().getTypeDataBase()); } })36     VM.registerVMInitializedObserver(new Observer() {
37         public void update(Observable o, Object data) {
38           initialize(VM.getVM().getTypeDataBase());
39         }
40       });
41   }
42 
initialize(TypeDataBase db)43   private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
44     Type type      = db.lookupType("ciObject");
45     klassField = type.getAddressField("_klass");
46     handleField = type.getAddressField("_handle");
47   }
48 
49   private static AddressField klassField;
50   private static AddressField handleField;
51 
getOop()52   public Oop getOop() {
53     OopHandle oh =  handleField.getValue(getAddress()).getOopHandleAt(0);
54     return VM.getVM().getObjectHeap().newOop(oh);
55   }
56 
ciObject(Address addr)57   public ciObject(Address addr) {
58     super(addr);
59   }
60 
printOn(PrintStream out)61   public void printOn(PrintStream out) {
62     getOop().printValueOn(out);
63     out.println();
64   }
65 
toString()66   public String toString() {
67     return getOop().toString();
68   }
69 }
70