| /* |
| * Copyright 2001 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.bugspot; |
| |
| import java.awt.*; |
| import java.awt.event.*; |
| import java.util.*; |
| import javax.swing.*; |
| import javax.swing.table.*; |
| |
| import sun.jvm.hotspot.debugger.*; |
| import sun.jvm.hotspot.debugger.cdbg.*; |
| import sun.jvm.hotspot.runtime.*; |
| import sun.jvm.hotspot.ui.*; |
| |
| // NOTE: this class was not placed in sun.jvm.hotspot.ui to prevent |
| // mixing components designed for C and C++ debugging with the ones |
| // that work with the core serviceability agent functionality (which |
| // does not require that the CDebugger interface be implemented). |
| |
| /** The ThreadListPanel is used for C and C++ debugging and can |
| visualize all threads in the target process. The caller passes in |
| a CDebugger attached to the target process and can request that |
| JavaThreads' associations with these underlying threads be |
| displayed; this option is only valid when attached to a HotSpot |
| JVM and when the {@link sun.jvm.hotspot.runtime.VM} has been |
| initialized. */ |
| |
| public class ThreadListPanel extends JPanel { |
| /** Listener which can be added to receive "Set Focus" events */ |
| public static interface Listener { |
| /** ThreadProxy will always be provided; JavaThread will only be |
| present if displayJavaThreads was specified in the constructor |
| for the panel and the thread was a JavaThread. */ |
| public void setFocus(ThreadProxy thread, JavaThread jthread); |
| } |
| |
| static class ThreadInfo { |
| private ThreadProxy thread; |
| // Distinguish between PC == null and no top frame |
| private boolean gotPC; |
| private Address pc; |
| private String location; |
| private JavaThread javaThread; |
| private String javaThreadName; |
| |
| public ThreadInfo(ThreadProxy thread, CDebugger dbg, JavaThread jthread) { |
| this.thread = thread; |
| this.location = "<unknown>"; |
| CFrame fr = dbg.topFrameForThread(thread); |
| if (fr != null) { |
| gotPC = true; |
| pc = fr.pc(); |
| PCFinder.Info info = PCFinder.findPC(pc, fr.loadObjectForPC(), dbg); |
| if (info.getName() != null) { |
| location = info.getName(); |
| if (info.getConfidence() == PCFinder.LOW_CONFIDENCE) { |
| location = location + " (?)"; |
| } |
| if (info.getOffset() < 0) { |
| location = location + " + 0x" + Long.toHexString(info.getOffset()); |
| } |
| } |
| } |
| if (jthread != null) { |
| javaThread = jthread; |
| javaThreadName = jthread.getThreadName(); |
| } |
| } |
| |
| public ThreadProxy getThread() { return thread; } |
| public boolean hasPC() { return gotPC; } |
| public Address getPC() { return pc; } |
| public String getLocation() { return location; } |
| public boolean isJavaThread() { return (javaThread != null); } |
| public JavaThread getJavaThread() { return javaThread; } |
| public String getJavaThreadName() { return javaThreadName; } |
| } |
| |
| // List<ThreadInfo> |
| private java.util.List threadList; |
| private JTable table; |
| private AbstractTableModel dataModel; |
| // List<Listener> |
| private java.util.List listeners; |
| |
| /** Takes a CDebugger from which the thread list is queried. |
| displayJavaThreads must only be set to true if the debugger is |
| attached to a HotSpot JVM and if the VM has already been |
| initialized. */ |
| public ThreadListPanel(CDebugger dbg, final boolean displayJavaThreads) { |
| super(); |
| |
| Map threadToJavaThreadMap = null; |
| if (displayJavaThreads) { |
| // Collect Java threads from virtual machine and insert them in |
| // table for later querying |
| threadToJavaThreadMap = new HashMap(); |
| Threads threads = VM.getVM().getThreads(); |
| for (JavaThread thr = threads.first(); thr != null; thr = thr.next()) { |
| threadToJavaThreadMap.put(thr.getThreadProxy(), thr); |
| } |
| } |
| |
| java.util.List/*<ThreadProxy>*/ threads = dbg.getThreadList(); |
| threadList = new ArrayList(threads.size()); |
| for (Iterator iter = threads.iterator(); iter.hasNext(); ) { |
| ThreadProxy thr = (ThreadProxy) iter.next(); |
| JavaThread jthr = null; |
| if (displayJavaThreads) { |
| jthr = (JavaThread) threadToJavaThreadMap.get(thr); |
| } |
| threadList.add(new ThreadInfo(thr, dbg, jthr)); |
| } |
| |
| // Thread ID, current PC, current symbol, Java Thread, [Java thread name] |
| dataModel = new AbstractTableModel() { |
| public int getColumnCount() { return (displayJavaThreads ? 5 : 3); } |
| public int getRowCount() { return threadList.size(); } |
| public String getColumnName(int col) { |
| switch (col) { |
| case 0: |
| return "Thread ID"; |
| case 1: |
| return "PC"; |
| case 2: |
| return "Location"; |
| case 3: |
| return "Java?"; |
| case 4: |
| return "Java Thread Name"; |
| default: |
| throw new RuntimeException("Index " + col + " out of bounds"); |
| } |
| } |
| public Object getValueAt(int row, int col) { |
| ThreadInfo info = (ThreadInfo) threadList.get(row); |
| |
| switch (col) { |
| case 0: |
| return info.getThread(); |
| case 1: |
| { |
| if (info.hasPC()) { |
| return info.getPC(); |
| } |
| return "<no frames on stack>"; |
| } |
| case 2: |
| return info.getLocation(); |
| case 3: |
| if (info.isJavaThread()) { |
| return "Yes"; |
| } else { |
| return ""; |
| } |
| case 4: |
| if (info.isJavaThread()) { |
| return info.getJavaThreadName(); |
| } else { |
| return ""; |
| } |
| default: |
| throw new RuntimeException("Index (" + col + ", " + row + ") out of bounds"); |
| } |
| } |
| }; |
| |
| // Build user interface |
| setLayout(new BorderLayout()); |
| table = new JTable(dataModel); |
| table.setSelectionMode(ListSelectionModel.SINGLE_SELECTION); |
| JTableHeader header = table.getTableHeader(); |
| header.setReorderingAllowed(false); |
| table.setRowSelectionAllowed(true); |
| table.setColumnSelectionAllowed(false); |
| JScrollPane scrollPane = new JScrollPane(table); |
| add(scrollPane, BorderLayout.CENTER); |
| if (threadList.size() > 0) { |
| table.setRowSelectionInterval(0, 0); |
| } |
| |
| JButton button = new JButton("Set Focus"); |
| button.addActionListener(new ActionListener() { |
| public void actionPerformed(ActionEvent e) { |
| int i = table.getSelectedRow(); |
| if (i < 0) { |
| return; |
| } |
| ThreadInfo info = (ThreadInfo) threadList.get(i); |
| for (Iterator iter = listeners.iterator(); iter.hasNext(); ) { |
| ((Listener) iter.next()).setFocus(info.getThread(), info.getJavaThread()); |
| } |
| } |
| }); |
| JPanel focusPanel = new JPanel(); |
| focusPanel.setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 0)); |
| focusPanel.setLayout(new BoxLayout(focusPanel, BoxLayout.Y_AXIS)); |
| focusPanel.add(Box.createGlue()); |
| focusPanel.add(button); |
| focusPanel.add(Box.createGlue()); |
| add(focusPanel, BorderLayout.EAST); |
| |
| // FIXME: make listener model for the debugger so if the user |
| // specifies a mapfile for or path to a given DSO later we can |
| // update our state |
| } |
| |
| public void addListener(Listener l) { |
| if (listeners == null) { |
| listeners = new ArrayList(); |
| } |
| listeners.add(l); |
| } |
| } |
