Mercurial > hg > graal-compiler
diff agent/src/share/classes/sun/jvm/hotspot/ui/FindInCodeCachePanel.java @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/agent/src/share/classes/sun/jvm/hotspot/ui/FindInCodeCachePanel.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,221 @@ +/* + * Copyright 2004 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.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.instructionsBegin().toString()); + result.append("'>"); + result.append(blob.getName()); + result.append("@"); + result.append(blob.instructionsBegin()); + 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); + } + } + }); + } +}