Mercurial > hg > graal-compiler
comparison agent/src/share/classes/sun/jvm/hotspot/runtime/JNIid.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 2002-2003 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.runtime; | |
26 | |
27 import java.util.*; | |
28 | |
29 import sun.jvm.hotspot.debugger.*; | |
30 import sun.jvm.hotspot.oops.*; | |
31 import sun.jvm.hotspot.types.*; | |
32 | |
33 public class JNIid extends VMObject { | |
34 private static sun.jvm.hotspot.types.OopField holder; | |
35 private static AddressField next; | |
36 private static CIntegerField offset; | |
37 private static sun.jvm.hotspot.types.OopField resolvedMethod; | |
38 private static sun.jvm.hotspot.types.OopField resolvedReceiver; | |
39 | |
40 private ObjectHeap heap; | |
41 | |
42 static { | |
43 VM.registerVMInitializedObserver(new Observer() { | |
44 public void update(Observable o, Object data) { | |
45 initialize(VM.getVM().getTypeDataBase()); | |
46 } | |
47 }); | |
48 } | |
49 | |
50 private static synchronized void initialize(TypeDataBase db) { | |
51 | |
52 // FIXME: JNIid has been removed as part of redesign of JNI method, | |
53 // field ID generation. Please refer to src/share/vm/prims/jniId.hpp/.cpp | |
54 // For now, commenting out the below code. | |
55 | |
56 /*********************************************************** | |
57 Type type = db.lookupType("JNIid"); | |
58 | |
59 holder = type.getOopField("_holder"); | |
60 next = type.getAddressField("_next"); | |
61 offset = type.getCIntegerField("_offset"); | |
62 resolvedMethod = type.getOopField("_resolved_method"); | |
63 resolvedReceiver = type.getOopField("_resolved_receiver"); | |
64 ***********************************************************/ | |
65 } | |
66 | |
67 public JNIid(Address addr, ObjectHeap heap) { | |
68 super(addr); | |
69 this.heap = heap; | |
70 } | |
71 | |
72 public JNIid next() { | |
73 Address nextAddr = next.getValue(addr); | |
74 if (nextAddr == null) { | |
75 return null; | |
76 } | |
77 return new JNIid(nextAddr, heap); | |
78 } | |
79 | |
80 public Klass holder() { return (Klass) heap.newOop(holder.getValue(addr)); } | |
81 public int offset() { return (int) offset.getValue(addr); } | |
82 public Method method() { | |
83 return (Method) ((InstanceKlass) holder()).getMethods().getObjAt(offset()); | |
84 } | |
85 public Method resolvedMethod() { return (Method) heap.newOop(resolvedMethod.getValue(addr)); } | |
86 public Klass resolvedReceiver() { return (Klass) heap.newOop(resolvedReceiver.getValue(addr)); } | |
87 } |