Mercurial > hg > graal-compiler
annotate agent/src/share/classes/sun/jvm/hotspot/utilities/HashtableEntry.java @ 2411:63997f575155
7031614: jmap -permstat fails with java.lang.InternalError in sun.jvm.hotspot.oops.OopField.getValue
Reviewed-by: kvn, dcubed
author | never |
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date | Wed, 30 Mar 2011 07:47:19 -0700 |
parents | 3582bf76420e |
children | 1d1603768966 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 package sun.jvm.hotspot.utilities; | |
26 | |
27 import java.util.*; | |
28 import sun.jvm.hotspot.debugger.*; | |
29 import sun.jvm.hotspot.oops.Oop; | |
30 import sun.jvm.hotspot.oops.ObjectHeap; | |
31 import sun.jvm.hotspot.types.*; | |
32 import sun.jvm.hotspot.runtime.*; | |
33 | |
34 public class HashtableEntry extends BasicHashtableEntry { | |
35 static { | |
36 VM.registerVMInitializedObserver(new Observer() { | |
37 public void update(Observable o, Object data) { | |
38 initialize(VM.getVM().getTypeDataBase()); | |
39 } | |
40 }); | |
41 } | |
42 | |
43 private static synchronized void initialize(TypeDataBase db) { | |
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44 Type type = db.lookupType("HashtableEntry<intptr_t>"); |
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45 literalField = type.getAddressField("_literal"); |
0 | 46 } |
47 | |
48 // Fields | |
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49 private static AddressField literalField; |
0 | 50 |
51 // Accessors | |
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52 public Address literalValue() { |
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53 return literalField.getValue(addr); |
0 | 54 } |
55 | |
56 public HashtableEntry(Address addr) { | |
57 super(addr); | |
58 } | |
59 } |