Mercurial > hg > truffle
comparison agent/src/share/classes/sun/jvm/hotspot/opto/JVMState.java @ 3939:f6f3bb0ee072
7088955: add C2 IR support to the SA
Reviewed-by: kvn
author | never |
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date | Sun, 11 Sep 2011 14:48:24 -0700 |
parents | |
children | da91efe96a93 |
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3938:e6b1331a51d2 | 3939:f6f3bb0ee072 |
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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.opto; | |
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.ci.*; | |
33 import sun.jvm.hotspot.types.*; | |
34 | |
35 public class JVMState 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("JVMState"); | |
46 mapField = type.getAddressField("_map"); | |
47 methodField = type.getAddressField("_method"); | |
48 bciField = new CIntField(type.getCIntegerField("_bci"), 0); | |
49 spField = new CIntField(type.getCIntegerField("_sp"), 0); | |
50 endoffField = new CIntField(type.getCIntegerField("_endoff"), 0); | |
51 try { | |
52 scloffField = new CIntField(type.getCIntegerField("_scloff"), 0); | |
53 } catch (Exception e) { | |
54 } | |
55 monoffField = new CIntField(type.getCIntegerField("_monoff"), 0); | |
56 stkoffField = new CIntField(type.getCIntegerField("_stkoff"), 0); | |
57 locoffField = new CIntField(type.getCIntegerField("_locoff"), 0); | |
58 depthField = new CIntField(type.getCIntegerField("_depth"), 0); | |
59 callerField = type.getAddressField("_caller"); | |
60 } | |
61 | |
62 private static AddressField mapField; | |
63 private static AddressField methodField; | |
64 private static CIntField bciField; | |
65 private static CIntField spField; | |
66 private static CIntField endoffField; | |
67 private static CIntField scloffField; | |
68 private static CIntField monoffField; | |
69 private static CIntField stkoffField; | |
70 private static CIntField locoffField; | |
71 private static CIntField depthField; | |
72 private static AddressField callerField; | |
73 | |
74 public static JVMState create(Address addr) { | |
75 if (addr == null) return null; | |
76 return new JVMState(addr); | |
77 } | |
78 | |
79 public JVMState(Address addr) { | |
80 super(addr); | |
81 } | |
82 | |
83 public ciMethod method() { | |
84 return (ciMethod) ciObjectFactory.get(methodField.getValue(getAddress())); | |
85 } | |
86 | |
87 public int bci() { | |
88 return (int)bciField.getValue(getAddress()); | |
89 } | |
90 | |
91 public JVMState caller() { | |
92 return create(callerField.getValue(getAddress())); | |
93 } | |
94 | |
95 public void dumpSpec(PrintStream out) { | |
96 ciMethod m = method(); | |
97 if (m != null) { | |
98 Method meth = m.method(); | |
99 out.print(" " + meth.getMethodHolder().getName().asString().replace('/', '.') + "::" + | |
100 meth.getName().asString() + " @ bci:" + bci()); | |
101 } else { | |
102 out.print(" runtime stub"); | |
103 } | |
104 if (caller() != null) caller().dumpSpec(out); | |
105 } | |
106 } |