Mercurial > hg > graal-compiler
comparison agent/src/share/classes/sun/jvm/hotspot/oops/BreakpointInfo.java @ 0:a61af66fc99e jdk7-b24
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author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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-1:000000000000 | 0:a61af66fc99e |
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1 /* | |
2 * Copyright 2002 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 * | |
23 */ | |
24 | |
25 package sun.jvm.hotspot.oops; | |
26 | |
27 import java.util.*; | |
28 | |
29 import sun.jvm.hotspot.debugger.*; | |
30 import sun.jvm.hotspot.runtime.*; | |
31 import sun.jvm.hotspot.types.*; | |
32 | |
33 public class BreakpointInfo extends VMObject { | |
34 private static CIntegerField origBytecodeField; | |
35 private static CIntegerField bciField; | |
36 private static CIntegerField nameIndexField; | |
37 private static CIntegerField signatureIndexField; | |
38 private static AddressField nextField; | |
39 | |
40 static { | |
41 VM.registerVMInitializedObserver(new Observer() { | |
42 public void update(Observable o, Object data) { | |
43 initialize(VM.getVM().getTypeDataBase()); | |
44 } | |
45 }); | |
46 } | |
47 | |
48 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException { | |
49 Type type = db.lookupType("BreakpointInfo"); | |
50 | |
51 origBytecodeField = type.getCIntegerField("_orig_bytecode"); | |
52 bciField = type.getCIntegerField("_bci"); | |
53 nameIndexField = type.getCIntegerField("_name_index"); | |
54 signatureIndexField = type.getCIntegerField("_signature_index"); | |
55 nextField = type.getAddressField ("_next"); | |
56 } | |
57 | |
58 public BreakpointInfo(Address addr) { | |
59 super(addr); | |
60 } | |
61 | |
62 public int getOrigBytecode() { return (int) origBytecodeField.getValue(addr); } | |
63 public int getBCI() { return (int) bciField.getValue(addr); } | |
64 public long getNameIndex() { return nameIndexField.getValue(addr); } | |
65 public long getSignatureIndex() { return signatureIndexField.getValue(addr); } | |
66 public BreakpointInfo getNext() { | |
67 return (BreakpointInfo) VMObjectFactory.newObject(BreakpointInfo.class, nextField.getValue(addr)); | |
68 } | |
69 | |
70 public boolean match(Method m, int bci) { | |
71 return (bci == getBCI() && match(m)); | |
72 } | |
73 | |
74 public boolean match(Method m) { | |
75 return (getNameIndex() == m.getNameIndex() && | |
76 getSignatureIndex() == m.getSignatureIndex()); | |
77 } | |
78 } |