| /* |
| * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| package sun.jvm.hotspot.ui; |
| |
| import java.io.*; |
| import java.awt.*; |
| import java.awt.event.*; |
| import javax.swing.*; |
| import javax.swing.event.*; |
| import javax.swing.text.*; |
| |
| import sun.jvm.hotspot.debugger.*; |
| import sun.jvm.hotspot.oops.*; |
| import sun.jvm.hotspot.runtime.*; |
| import sun.jvm.hotspot.utilities.*; |
| import sun.jvm.hotspot.code.*; |
| import sun.jvm.hotspot.ui.classbrowser.*; |
| |
| /** Finds a given (Address) value in the code cache. Only intended for use |
| in a debugging system. */ |
| |
| public class FindInCodeCachePanel extends SAPanel { |
| private Visitor iterator; |
| private long usedSize; |
| private long iterated; |
| private Address value; |
| private ProgressBarPanel progressBar; |
| private HistoryComboBox addressField; |
| private JButton findButton; |
| private SAEditorPane contentEditor; |
| |
| class Visitor implements CodeCacheVisitor { |
| Address base; |
| StringBuffer result; |
| boolean searching; |
| |
| public void prologue(Address start, Address end) { |
| searching = true; |
| base = start; |
| usedSize = end.minus(start); |
| iterated = 0; |
| result = new StringBuffer(); |
| clearResultWindow(); |
| } |
| |
| public void visit(CodeBlob blob) { |
| Address begin = blob.headerBegin(); |
| Address end = begin.addOffsetTo(blob.getSize()); |
| long addressSize = VM.getVM().getAddressSize(); |
| |
| boolean found = false; |
| while (!found && begin.lessThan(end)) { |
| Address val = begin.getAddressAt(0); |
| if (AddressOps.equal(val, value)) { |
| reportResult(result, blob); |
| found = true; |
| } |
| begin = begin.addOffsetTo(addressSize); |
| } |
| iterated = end.minus(base);; |
| updateProgressBar(null); |
| } |
| |
| public void epilogue() { |
| } |
| |
| public void cleanup() { |
| iterated = 0; |
| updateProgressBar(result); |
| searching = false; |
| result = null; |
| } |
| |
| private void search() { |
| // Parse text |
| Address val = null; |
| try { |
| val = VM.getVM().getDebugger().parseAddress(addressField.getText()); |
| } catch (Exception ex) { |
| contentEditor.setText("<b>Error parsing address</b>"); |
| return; |
| } |
| |
| // make sure we don't start up multiple search threads in parallel |
| synchronized (iterator) { |
| if (searching && value.equals(val)) { |
| return; |
| } |
| |
| value = val; |
| contentEditor.setText(""); |
| findButton.setEnabled(false); |
| |
| System.out.println("Searching " + value); |
| java.lang.Thread t = new java.lang.Thread(new Runnable() { |
| public void run() { |
| synchronized (iterator) { |
| try { |
| VM.getVM().getCodeCache().iterate(iterator); |
| } finally { |
| iterator.cleanup(); |
| } |
| } |
| } |
| }); |
| t.start(); |
| } |
| } |
| } |
| |
| |
| public FindInCodeCachePanel() { |
| super(); |
| |
| setLayout(new BorderLayout()); |
| |
| JPanel topPanel = new JPanel(); |
| topPanel.setLayout(new BoxLayout(topPanel, BoxLayout.Y_AXIS)); |
| |
| JPanel panel = new JPanel(); |
| panel.setLayout(new BoxLayout(panel, BoxLayout.X_AXIS)); |
| panel.add(new JLabel("Address to search for:")); |
| |
| addressField = new HistoryComboBox(); |
| panel.add(addressField); |
| |
| iterator = new Visitor(); |
| |
| findButton = new JButton("Find"); |
| ActionListener listener = new ActionListener() { |
| public void actionPerformed(ActionEvent e) { |
| iterator.search(); |
| } |
| }; |
| panel.add(findButton); |
| findButton.addActionListener(listener); |
| addressField.addActionListener(listener); |
| topPanel.add(panel); |
| |
| progressBar = new ProgressBarPanel(ProgressBarPanel.HORIZONTAL, "Search progress:"); |
| topPanel.add(progressBar); |
| |
| add(topPanel, BorderLayout.NORTH); |
| |
| contentEditor = new SAEditorPane(); |
| |
| HyperlinkListener hyperListener = new HyperlinkListener() { |
| public void hyperlinkUpdate(HyperlinkEvent e) { |
| if (e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) { |
| String description = e.getDescription(); |
| int index = description.indexOf(':'); |
| if (index != -1) { |
| String item = description.substring(0, index); |
| if (item.equals("blob")) { |
| Address blob = VM.getVM().getDebugger().parseAddress(description.substring(index + 1)); |
| showCodeViewer(blob); |
| } |
| } |
| } |
| } |
| }; |
| |
| contentEditor.addHyperlinkListener(hyperListener); |
| |
| JScrollPane scroller = new JScrollPane(contentEditor); |
| add(scroller, BorderLayout.CENTER); |
| } |
| |
| private void reportResult(StringBuffer result, CodeBlob blob) { |
| result.append("<a href='blob:"); |
| result.append(blob.contentBegin().toString()); |
| result.append("'>"); |
| result.append(blob.getName()); |
| result.append("@"); |
| result.append(blob.contentBegin()); |
| result.append("</a><br>"); |
| } |
| |
| private void clearResultWindow() { |
| SwingUtilities.invokeLater(new Runnable() { |
| public void run() { |
| contentEditor.setText(""); |
| } |
| }); |
| } |
| |
| private void updateProgressBar(final StringBuffer result) { |
| SwingUtilities.invokeLater(new Runnable() { |
| public void run() { |
| progressBar.setValue((double) iterated / (double) usedSize); |
| if (result != null) { |
| String s = "<html> <head> </head> <body>\n" + result + " </body> </html>"; |
| contentEditor.setText(s); |
| findButton.setEnabled(true); |
| } |
| } |
| }); |
| } |
| } |