Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/ui/FindInCodeCachePanel.java @ 11997:cd25d3be91c5
8012144: multiple SIGSEGVs fails on staxf
Summary: Forward port of 7u change to add additional fence() on RMO platforms, with a load_acquire on all platforms
Reviewed-by: dholmes, kvn
author | vladidan |
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date | Tue, 06 Aug 2013 20:01:40 -0400 |
parents | 3e8fbc61cee8 |
children |
rev | line source |
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0 | 1 /* |
1748 | 2 * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
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6941466: Oracle rebranding changes for Hotspot repositories
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 package sun.jvm.hotspot.ui; | |
26 | |
27 import java.io.*; | |
28 import java.awt.*; | |
29 import java.awt.event.*; | |
30 import javax.swing.*; | |
31 import javax.swing.event.*; | |
32 import javax.swing.text.*; | |
33 | |
34 import sun.jvm.hotspot.debugger.*; | |
35 import sun.jvm.hotspot.oops.*; | |
36 import sun.jvm.hotspot.runtime.*; | |
37 import sun.jvm.hotspot.utilities.*; | |
38 import sun.jvm.hotspot.code.*; | |
39 import sun.jvm.hotspot.ui.classbrowser.*; | |
40 | |
41 /** Finds a given (Address) value in the code cache. Only intended for use | |
42 in a debugging system. */ | |
43 | |
44 public class FindInCodeCachePanel extends SAPanel { | |
45 private Visitor iterator; | |
46 private long usedSize; | |
47 private long iterated; | |
48 private Address value; | |
49 private ProgressBarPanel progressBar; | |
50 private HistoryComboBox addressField; | |
51 private JButton findButton; | |
52 private SAEditorPane contentEditor; | |
53 | |
54 class Visitor implements CodeCacheVisitor { | |
55 Address base; | |
56 StringBuffer result; | |
57 boolean searching; | |
58 | |
59 public void prologue(Address start, Address end) { | |
60 searching = true; | |
61 base = start; | |
62 usedSize = end.minus(start); | |
63 iterated = 0; | |
64 result = new StringBuffer(); | |
65 clearResultWindow(); | |
66 } | |
67 | |
68 public void visit(CodeBlob blob) { | |
69 Address begin = blob.headerBegin(); | |
70 Address end = begin.addOffsetTo(blob.getSize()); | |
71 long addressSize = VM.getVM().getAddressSize(); | |
72 | |
73 boolean found = false; | |
74 while (!found && begin.lessThan(end)) { | |
75 Address val = begin.getAddressAt(0); | |
76 if (AddressOps.equal(val, value)) { | |
77 reportResult(result, blob); | |
78 found = true; | |
79 } | |
80 begin = begin.addOffsetTo(addressSize); | |
81 } | |
82 iterated = end.minus(base);; | |
83 updateProgressBar(null); | |
84 } | |
85 | |
86 public void epilogue() { | |
87 } | |
88 | |
89 public void cleanup() { | |
90 iterated = 0; | |
91 updateProgressBar(result); | |
92 searching = false; | |
93 result = null; | |
94 } | |
95 | |
96 private void search() { | |
97 // Parse text | |
98 Address val = null; | |
99 try { | |
100 val = VM.getVM().getDebugger().parseAddress(addressField.getText()); | |
101 } catch (Exception ex) { | |
102 contentEditor.setText("<b>Error parsing address</b>"); | |
103 return; | |
104 } | |
105 | |
106 // make sure we don't start up multiple search threads in parallel | |
107 synchronized (iterator) { | |
108 if (searching && value.equals(val)) { | |
109 return; | |
110 } | |
111 | |
112 value = val; | |
113 contentEditor.setText(""); | |
114 findButton.setEnabled(false); | |
115 | |
116 System.out.println("Searching " + value); | |
117 java.lang.Thread t = new java.lang.Thread(new Runnable() { | |
118 public void run() { | |
119 synchronized (iterator) { | |
120 try { | |
121 VM.getVM().getCodeCache().iterate(iterator); | |
122 } finally { | |
123 iterator.cleanup(); | |
124 } | |
125 } | |
126 } | |
127 }); | |
128 t.start(); | |
129 } | |
130 } | |
131 } | |
132 | |
133 | |
134 public FindInCodeCachePanel() { | |
135 super(); | |
136 | |
137 setLayout(new BorderLayout()); | |
138 | |
139 JPanel topPanel = new JPanel(); | |
140 topPanel.setLayout(new BoxLayout(topPanel, BoxLayout.Y_AXIS)); | |
141 | |
142 JPanel panel = new JPanel(); | |
143 panel.setLayout(new BoxLayout(panel, BoxLayout.X_AXIS)); | |
144 panel.add(new JLabel("Address to search for:")); | |
145 | |
146 addressField = new HistoryComboBox(); | |
147 panel.add(addressField); | |
148 | |
149 iterator = new Visitor(); | |
150 | |
151 findButton = new JButton("Find"); | |
152 ActionListener listener = new ActionListener() { | |
153 public void actionPerformed(ActionEvent e) { | |
154 iterator.search(); | |
155 } | |
156 }; | |
157 panel.add(findButton); | |
158 findButton.addActionListener(listener); | |
159 addressField.addActionListener(listener); | |
160 topPanel.add(panel); | |
161 | |
162 progressBar = new ProgressBarPanel(ProgressBarPanel.HORIZONTAL, "Search progress:"); | |
163 topPanel.add(progressBar); | |
164 | |
165 add(topPanel, BorderLayout.NORTH); | |
166 | |
167 contentEditor = new SAEditorPane(); | |
168 | |
169 HyperlinkListener hyperListener = new HyperlinkListener() { | |
170 public void hyperlinkUpdate(HyperlinkEvent e) { | |
171 if (e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) { | |
172 String description = e.getDescription(); | |
173 int index = description.indexOf(':'); | |
174 if (index != -1) { | |
175 String item = description.substring(0, index); | |
176 if (item.equals("blob")) { | |
177 Address blob = VM.getVM().getDebugger().parseAddress(description.substring(index + 1)); | |
178 showCodeViewer(blob); | |
179 } | |
180 } | |
181 } | |
182 } | |
183 }; | |
184 | |
185 contentEditor.addHyperlinkListener(hyperListener); | |
186 | |
187 JScrollPane scroller = new JScrollPane(contentEditor); | |
188 add(scroller, BorderLayout.CENTER); | |
189 } | |
190 | |
191 private void reportResult(StringBuffer result, CodeBlob blob) { | |
192 result.append("<a href='blob:"); | |
1748 | 193 result.append(blob.contentBegin().toString()); |
0 | 194 result.append("'>"); |
195 result.append(blob.getName()); | |
196 result.append("@"); | |
1748 | 197 result.append(blob.contentBegin()); |
0 | 198 result.append("</a><br>"); |
199 } | |
200 | |
201 private void clearResultWindow() { | |
202 SwingUtilities.invokeLater(new Runnable() { | |
203 public void run() { | |
204 contentEditor.setText(""); | |
205 } | |
206 }); | |
207 } | |
208 | |
209 private void updateProgressBar(final StringBuffer result) { | |
210 SwingUtilities.invokeLater(new Runnable() { | |
211 public void run() { | |
212 progressBar.setValue((double) iterated / (double) usedSize); | |
213 if (result != null) { | |
214 String s = "<html> <head> </head> <body>\n" + result + " </body> </html>"; | |
215 contentEditor.setText(s); | |
216 findButton.setEnabled(true); | |
217 } | |
218 } | |
219 }); | |
220 } | |
221 } |