Mercurial > hg > graal-compiler

comparison agent/src/share/classes/sun/jvm/hotspot/compiler/CompileTask.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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 package sun.jvm.hotspot.compiler;
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.prims.JvmtiExport;
34 import sun.jvm.hotspot.types.*;
35
36 public class CompileTask extends VMObject {
37 static {
38 VM.registerVMInitializedObserver(new Observer() {
39 public void update(Observable o, Object data) {
40 initialize(VM.getVM().getTypeDataBase());
41 }
42 });
43 }
44
45 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
46 Type type = db.lookupType("CompileTask");
47 methodField = type.getAddressField("_method");
48 osrBciField = new CIntField(type.getCIntegerField("_osr_bci"), 0);
49 }
50
51 private static AddressField methodField;
52 private static CIntField osrBciField;
53
54 public CompileTask(Address addr) {
55 super(addr);
56 }
57
58 public Method method() {
59 OopHandle oh = methodField.getValue(getAddress()).getOopHandleAt(0);
60 return (Method)VM.getVM().getObjectHeap().newOop(oh);
61 }
62
63 public int osrBci() {
64 return (int)osrBciField.getValue(getAddress());
65 }
66 }