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comparison agent/src/share/classes/sun/jvm/hotspot/ci/ciObject.java @ 3939:f6f3bb0ee072

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7088955: add C2 IR support to the SA Reviewed-by: kvn
author never
date Sun, 11 Sep 2011 14:48:24 -0700
parents
children da91efe96a93
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3938:e6b1331a51d2 3939:f6f3bb0ee072
1 /*
2 * Copyright (c) 2011, 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.
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.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 VMObject {
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) throws WrongTypeException {
44 Type type = db.lookupType("ciObject");
45 identField = new CIntField(type.getCIntegerField("_ident"), 0);
46 klassField = type.getAddressField("_klass");
47 handleField = type.getAddressField("_handle");
48 }
49
50 private static CIntField identField;
51 private static AddressField klassField;
52 private static AddressField handleField;
53
54 public Oop getOop() {
55 OopHandle oh = handleField.getValue(getAddress()).getOopHandleAt(0);
56 return VM.getVM().getObjectHeap().newOop(oh);
57 }
58
59 public ciObject(Address addr) {
60 super(addr);
61 }
62
63 public void printOn(PrintStream out) {
64 getOop().printValueOn(out);
65 out.println();
66 }
67
68 public String toString() {
69 return getOop().toString();
70 }
71 }