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comparison agent/src/share/classes/sun/jvm/hotspot/ci/ciMethod.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.code.*;
31 import sun.jvm.hotspot.runtime.*;
32 import sun.jvm.hotspot.oops.*;
33 import sun.jvm.hotspot.types.*;
34
35 public class ciMethod extends ciObject {
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("ciMethod");
46 interpreterThrowoutCountField = new CIntField(type.getCIntegerField("_interpreter_throwout_count"), 0);
47 interpreterInvocationCountField = new CIntField(type.getCIntegerField("_interpreter_invocation_count"), 0);
48 try {
49 // XXX
50 instructionsSizeField = new CIntField(type.getCIntegerField("_instructions_size"), 0);
51 } catch (Exception e) {
52 }
53 }
54
55 private static CIntField interpreterThrowoutCountField;
56 private static CIntField interpreterInvocationCountField;
57 private static CIntField instructionsSizeField;
58
59 public ciMethod(Address addr) {
60 super(addr);
61 }
62
63 public Method method() {
64 return (Method)getOop();
65 }
66
67 public int interpreterThrowoutCount() {
68 return (int) interpreterThrowoutCountField.getValue(getAddress());
69 }
70
71 public int interpreterInvocationCount() {
72 return (int) interpreterInvocationCountField.getValue(getAddress());
73 }
74
75 public int instructionsSize() {
76 if (instructionsSizeField == null) {
77 // XXX
78 Method method = (Method)getOop();
79 NMethod nm = method.getNativeMethod();
80 if (nm != null) return (int)nm.codeEnd().minus(nm.getVerifiedEntryPoint());
81 return 0;
82 }
83 return (int) instructionsSizeField.getValue(getAddress());
84 }
85
86 public void printShortName(PrintStream st) {
87 Method method = (Method)getOop();
88 st.printf(" %s::%s", method.getMethodHolder().getName().asString().replace('/', '.'),
89 method.getName().asString());
90 }
91 }