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comparison agent/src/share/classes/sun/jvm/hotspot/ci/ciEnv.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 bd7a7ce2e264
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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.PrintStream;
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.opto.*;
33 import sun.jvm.hotspot.compiler.CompileTask;
34 import sun.jvm.hotspot.prims.JvmtiExport;
35 import sun.jvm.hotspot.types.*;
36 import sun.jvm.hotspot.utilities.GrowableArray;
37
38 public class ciEnv extends VMObject {
39 static {
40 VM.registerVMInitializedObserver(new Observer() {
41 public void update(Observable o, Object data) {
42 initialize(VM.getVM().getTypeDataBase());
43 }
44 });
45 }
46
47 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
48 Type type = db.lookupType("ciEnv");
49 dependenciesField = type.getAddressField("_dependencies");
50 factoryField = type.getAddressField("_factory");
51 compilerDataField = type.getAddressField("_compiler_data");
52 taskField = type.getAddressField("_task");
53 systemDictionaryModificationCounterField = new CIntField(type.getCIntegerField("_system_dictionary_modification_counter"), 0);
54 }
55
56 private static AddressField dependenciesField;
57 private static AddressField factoryField;
58 private static AddressField compilerDataField;
59 private static AddressField taskField;
60 private static CIntField systemDictionaryModificationCounterField;
61
62 public ciEnv(Address addr) {
63 super(addr);
64 }
65
66 public Compile compilerData() {
67 return new Compile(compilerDataField.getValue(this.getAddress()));
68 }
69
70 public ciObjectFactory factory() {
71 return new ciObjectFactory(factoryField.getValue(this.getAddress()));
72 }
73
74 public CompileTask task() {
75 return new CompileTask(taskField.getValue(this.getAddress()));
76 }
77 }