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comparison agent/src/share/classes/sun/jvm/hotspot/ci/ciObjectFactory.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
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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.lang.reflect.Constructor;
28 import java.util.*;
29 import sun.jvm.hotspot.debugger.*;
30 import sun.jvm.hotspot.runtime.*;
31 import sun.jvm.hotspot.utilities.*;
32 import sun.jvm.hotspot.oops.*;
33 import sun.jvm.hotspot.types.*;
34
35 public class ciObjectFactory extends VMObject {
36 static {
37 VM.registerVMInitializedObserver(new Observer() {
38 public void update(Observable o, Object data) {
39 initialize(VM.getVM().getTypeDataBase());
40 }
41 });
42 }
43
44 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
45 Type type = db.lookupType("ciObjectFactory");
46 unloadedMethodsField = type.getAddressField("_unloaded_methods");
47 ciObjectsField = type.getAddressField("_ci_objects");
48 symbolsField = type.getAddressField("_symbols");
49
50 ciObjectConstructor = new VirtualBaseConstructor<ciObject>(db, db.lookupType("ciObject"), "sun.jvm.hotspot.ci", ciObject.class);
51 ciSymbolConstructor = new VirtualBaseConstructor<ciSymbol>(db, db.lookupType("ciSymbol"), "sun.jvm.hotspot.ci", ciSymbol.class);
52 }
53
54 private static AddressField unloadedMethodsField;
55 private static AddressField ciObjectsField;
56 private static AddressField symbolsField;
57
58 private static VirtualBaseConstructor<ciObject> ciObjectConstructor;
59 private static VirtualBaseConstructor<ciSymbol> ciSymbolConstructor;
60
61 public static ciObject get(Address addr) {
62 if (addr == null) return null;
63
64 return (ciObject)ciObjectConstructor.instantiateWrapperFor(addr);
65 }
66
67 public GrowableArray<ciObject> objects() {
68 return GrowableArray.create(ciObjectsField.getValue(getAddress()), ciObjectConstructor);
69 }
70
71 public GrowableArray<ciSymbol> symbols() {
72 return GrowableArray.create(symbolsField.getValue(getAddress()), ciSymbolConstructor);
73 }
74
75 public ciObjectFactory(Address addr) {
76 super(addr);
77 }
78 }