1 /*
2  * Copyright (c) 2004, 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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22  *
23  */
24 
25 package sun.jvm.hotspot.ui.tree;
26 
27 import java.io.*;
28 import sun.jvm.hotspot.debugger.*;
29 import sun.jvm.hotspot.oops.*;
30 import sun.jvm.hotspot.runtime.VM;
31 
32 /** Simple wrapper for displaying bad addresses in the Inspector */
33 
34 public class BadAddressTreeNodeAdapter extends FieldTreeNodeAdapter {
35   private String message;
36 
generateMessage(long addr, String kind)37   private static String generateMessage(long addr, String kind) {
38     return "** BAD " + kind + " " + Long.toHexString(addr) + " **";
39   }
40 
BadAddressTreeNodeAdapter(Address addr, MetadataField field, boolean treeTableMode)41   public BadAddressTreeNodeAdapter(Address addr, MetadataField field, boolean treeTableMode) {
42     super(field.getID(), treeTableMode);
43     message = generateMessage(addr.minus(null), "METADATA");
44   }
45 
BadAddressTreeNodeAdapter(Address addr, OopField field, boolean treeTableMode)46   public BadAddressTreeNodeAdapter(Address addr, OopField field, boolean treeTableMode) {
47     super(field.getID(), treeTableMode);
48     message = generateMessage(addr.minus(null), "OOP");
49   }
50 
BadAddressTreeNodeAdapter(OopHandle addr, FieldIdentifier id, boolean treeTableMode)51   public BadAddressTreeNodeAdapter(OopHandle addr, FieldIdentifier id, boolean treeTableMode) {
52     super(id, treeTableMode);
53     message = generateMessage(addr.minus(null), "OOP");
54   }
55 
56   /** The address may be null (for address fields of structures which
57       are null); the FieldIdentifier may also be null (for the root
58       node). */
BadAddressTreeNodeAdapter(long addr, FieldIdentifier id, boolean treeTableMode)59   public BadAddressTreeNodeAdapter(long addr, FieldIdentifier id, boolean treeTableMode) {
60     super(id, treeTableMode);
61     message = generateMessage(addr, "ADDRESS");
62   }
63 
getChildCount()64   public int getChildCount() {
65     return 0;
66   }
67 
getChild(int index)68   public SimpleTreeNode getChild(int index) {
69     throw new RuntimeException("Should not call this");
70   }
71 
isLeaf()72   public boolean isLeaf() {
73     return true;
74   }
75 
getIndexOfChild(SimpleTreeNode child)76   public int getIndexOfChild(SimpleTreeNode child) {
77     throw new RuntimeException("Should not call this");
78   }
79 
getValue()80   public String getValue() {
81     return message;
82       }
83     }
84