annotate agent/src/share/classes/sun/jvm/hotspot/runtime/PerfDataPrologue.java @ 1552:c18cbe5936b8

6941466: Oracle rebranding changes for Hotspot repositories Summary: Change all the Sun copyrights to Oracle copyright Reviewed-by: ohair
author trims
date Thu, 27 May 2010 19:08:38 -0700
parents a61af66fc99e
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1 /*
1552
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 0
diff changeset
2 * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load
duke
parents:
diff changeset
4 *
a61af66fc99e Initial load
duke
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load
duke
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load
duke
parents:
diff changeset
7 * published by the Free Software Foundation.
a61af66fc99e Initial load
duke
parents:
diff changeset
8 *
a61af66fc99e Initial load
duke
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load
duke
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load
duke
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load
duke
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load
duke
parents:
diff changeset
13 * accompanied this code).
a61af66fc99e Initial load
duke
parents:
diff changeset
14 *
a61af66fc99e Initial load
duke
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load
duke
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load
duke
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load
duke
parents:
diff changeset
18 *
1552
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 0
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 0
diff changeset
20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 0
diff changeset
21 * questions.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
22 *
a61af66fc99e Initial load
duke
parents:
diff changeset
23 */
a61af66fc99e Initial load
duke
parents:
diff changeset
24
a61af66fc99e Initial load
duke
parents:
diff changeset
25 package sun.jvm.hotspot.runtime;
a61af66fc99e Initial load
duke
parents:
diff changeset
26
a61af66fc99e Initial load
duke
parents:
diff changeset
27 import java.util.*;
a61af66fc99e Initial load
duke
parents:
diff changeset
28 import sun.jvm.hotspot.debugger.*;
a61af66fc99e Initial load
duke
parents:
diff changeset
29 import sun.jvm.hotspot.oops.*;
a61af66fc99e Initial load
duke
parents:
diff changeset
30 import sun.jvm.hotspot.types.*;
a61af66fc99e Initial load
duke
parents:
diff changeset
31
a61af66fc99e Initial load
duke
parents:
diff changeset
32 public class PerfDataPrologue extends VMObject {
a61af66fc99e Initial load
duke
parents:
diff changeset
33 private static JIntField magicField;
a61af66fc99e Initial load
duke
parents:
diff changeset
34 private static JByteField byteOrderField;
a61af66fc99e Initial load
duke
parents:
diff changeset
35 private static JByteField majorVersionField;
a61af66fc99e Initial load
duke
parents:
diff changeset
36 private static JByteField minorVersionField;
a61af66fc99e Initial load
duke
parents:
diff changeset
37 private static JByteField accessibleField;
a61af66fc99e Initial load
duke
parents:
diff changeset
38 private static JIntField usedField;
a61af66fc99e Initial load
duke
parents:
diff changeset
39 private static JIntField overflowField;
a61af66fc99e Initial load
duke
parents:
diff changeset
40 private static JLongField modTimeStampField;
a61af66fc99e Initial load
duke
parents:
diff changeset
41 private static JIntField entryOffsetField;
a61af66fc99e Initial load
duke
parents:
diff changeset
42 private static JIntField numEntriesField;
a61af66fc99e Initial load
duke
parents:
diff changeset
43
a61af66fc99e Initial load
duke
parents:
diff changeset
44 static {
a61af66fc99e Initial load
duke
parents:
diff changeset
45 VM.registerVMInitializedObserver(new Observer() {
a61af66fc99e Initial load
duke
parents:
diff changeset
46 public void update(Observable o, Object data) {
a61af66fc99e Initial load
duke
parents:
diff changeset
47 initialize(VM.getVM().getTypeDataBase());
a61af66fc99e Initial load
duke
parents:
diff changeset
48 }
a61af66fc99e Initial load
duke
parents:
diff changeset
49 });
a61af66fc99e Initial load
duke
parents:
diff changeset
50 }
a61af66fc99e Initial load
duke
parents:
diff changeset
51
a61af66fc99e Initial load
duke
parents:
diff changeset
52 private static synchronized void initialize(TypeDataBase db) {
a61af66fc99e Initial load
duke
parents:
diff changeset
53 Type type = db.lookupType("PerfDataPrologue");
a61af66fc99e Initial load
duke
parents:
diff changeset
54 magicField = type.getJIntField("magic");
a61af66fc99e Initial load
duke
parents:
diff changeset
55 byteOrderField = type.getJByteField("byte_order");
a61af66fc99e Initial load
duke
parents:
diff changeset
56 majorVersionField = type.getJByteField("major_version");
a61af66fc99e Initial load
duke
parents:
diff changeset
57 minorVersionField = type.getJByteField("minor_version");
a61af66fc99e Initial load
duke
parents:
diff changeset
58 accessibleField = type.getJByteField("accessible");
a61af66fc99e Initial load
duke
parents:
diff changeset
59 usedField = type.getJIntField("used");
a61af66fc99e Initial load
duke
parents:
diff changeset
60 overflowField = type.getJIntField("overflow");
a61af66fc99e Initial load
duke
parents:
diff changeset
61 modTimeStampField = type.getJLongField("mod_time_stamp");
a61af66fc99e Initial load
duke
parents:
diff changeset
62 entryOffsetField = type.getJIntField("entry_offset");
a61af66fc99e Initial load
duke
parents:
diff changeset
63 numEntriesField = type.getJIntField("num_entries");
a61af66fc99e Initial load
duke
parents:
diff changeset
64 }
a61af66fc99e Initial load
duke
parents:
diff changeset
65
a61af66fc99e Initial load
duke
parents:
diff changeset
66 public PerfDataPrologue(Address addr) {
a61af66fc99e Initial load
duke
parents:
diff changeset
67 super(addr);
a61af66fc99e Initial load
duke
parents:
diff changeset
68 }
a61af66fc99e Initial load
duke
parents:
diff changeset
69
a61af66fc99e Initial load
duke
parents:
diff changeset
70 // Accessors
a61af66fc99e Initial load
duke
parents:
diff changeset
71 public int magic() {
a61af66fc99e Initial load
duke
parents:
diff changeset
72 return (int) magicField.getValue(addr);
a61af66fc99e Initial load
duke
parents:
diff changeset
73 }
a61af66fc99e Initial load
duke
parents:
diff changeset
74
a61af66fc99e Initial load
duke
parents:
diff changeset
75 public byte byteOrder() {
a61af66fc99e Initial load
duke
parents:
diff changeset
76 return (byte) byteOrderField.getValue(addr);
a61af66fc99e Initial load
duke
parents:
diff changeset
77 }
a61af66fc99e Initial load
duke
parents:
diff changeset
78
a61af66fc99e Initial load
duke
parents:
diff changeset
79 public byte majorVersion() {
a61af66fc99e Initial load
duke
parents:
diff changeset
80 return (byte) majorVersionField.getValue(addr);
a61af66fc99e Initial load
duke
parents:
diff changeset
81 }
a61af66fc99e Initial load
duke
parents:
diff changeset
82
a61af66fc99e Initial load
duke
parents:
diff changeset
83 public boolean accessible() {
a61af66fc99e Initial load
duke
parents:
diff changeset
84 return ((byte) accessibleField.getValue(addr)) != (byte)0;
a61af66fc99e Initial load
duke
parents:
diff changeset
85 }
a61af66fc99e Initial load
duke
parents:
diff changeset
86
a61af66fc99e Initial load
duke
parents:
diff changeset
87 public int used() {
a61af66fc99e Initial load
duke
parents:
diff changeset
88 return (int) usedField.getValue(addr);
a61af66fc99e Initial load
duke
parents:
diff changeset
89 }
a61af66fc99e Initial load
duke
parents:
diff changeset
90
a61af66fc99e Initial load
duke
parents:
diff changeset
91 public int overflow() {
a61af66fc99e Initial load
duke
parents:
diff changeset
92 return (int) overflowField.getValue(addr);
a61af66fc99e Initial load
duke
parents:
diff changeset
93 }
a61af66fc99e Initial load
duke
parents:
diff changeset
94
a61af66fc99e Initial load
duke
parents:
diff changeset
95 public long modTimeStamp() {
a61af66fc99e Initial load
duke
parents:
diff changeset
96 return (long) modTimeStampField.getValue(addr);
a61af66fc99e Initial load
duke
parents:
diff changeset
97 }
a61af66fc99e Initial load
duke
parents:
diff changeset
98
a61af66fc99e Initial load
duke
parents:
diff changeset
99 public int entryOffset() {
a61af66fc99e Initial load
duke
parents:
diff changeset
100 return (int) entryOffsetField.getValue(addr);
a61af66fc99e Initial load
duke
parents:
diff changeset
101 }
a61af66fc99e Initial load
duke
parents:
diff changeset
102
a61af66fc99e Initial load
duke
parents:
diff changeset
103 public int numEntries() {
a61af66fc99e Initial load
duke
parents:
diff changeset
104 return (int) numEntriesField.getValue(addr);
a61af66fc99e Initial load
duke
parents:
diff changeset
105 }
a61af66fc99e Initial load
duke
parents:
diff changeset
106 }