0
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1 /*
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2 * Copyright 2001-2003 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 package sun.jvm.hotspot.bugspot;
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26
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27 import java.awt.*;
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28 import java.awt.event.*;
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29 import java.io.*;
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30 import java.net.*;
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31 import java.util.*;
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32 import javax.swing.*;
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33 import javax.swing.filechooser.*;
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34 import sun.jvm.hotspot.debugger.*;
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35 import sun.jvm.hotspot.debugger.cdbg.*;
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36 import sun.jvm.hotspot.debugger.posix.*;
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37 import sun.jvm.hotspot.debugger.win32.*;
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38 import sun.jvm.hotspot.livejvm.*;
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39 import sun.jvm.hotspot.memory.*;
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40 import sun.jvm.hotspot.oops.*;
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41 import sun.jvm.hotspot.runtime.*;
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42 import sun.jvm.hotspot.ui.*;
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43 import sun.jvm.hotspot.utilities.*;
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44
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45 /** The BugSpot component. This is embeddable in an application by
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46 virtue of its being a JComponent. It (currently) requires the use
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47 of a menu bar which can be fetched via getMenuBar(). This is
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48 intended ultimately to replace HSDB. */
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49
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50 public class BugSpot extends JPanel {
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51 public BugSpot() {
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52 super();
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53 Runtime.getRuntime().addShutdownHook(new java.lang.Thread() {
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54 public void run() {
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55 detachDebugger();
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56 }
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57 });
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58 }
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59
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60 /** Turn on or off MDI (Multiple Document Interface) mode. When MDI
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61 is enabled, the BugSpot component contains a JDesktopPane and all
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62 windows are JInternalFrames. When disabled, only the menu bar is
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63 relevant. */
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64 public void setMDIMode(boolean onOrOff) {
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65 mdiMode = onOrOff;
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66 }
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67
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68 /** Indicates whether MDI mode is enabled. */
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69 public boolean getMDIMode() {
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70 return mdiMode;
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71 }
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72
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73 /** Build user interface widgets. This must be called before adding
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74 the BugSpot component to its parent. */
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75 public void build() {
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76 setLayout(new BorderLayout());
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77
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78 menuBar = new JMenuBar();
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79
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80 attachMenuItems = new java.util.ArrayList();
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81 detachMenuItems = new java.util.ArrayList();
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82 debugMenuItems = new java.util.ArrayList();
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83 suspendDebugMenuItems = new java.util.ArrayList();
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84 resumeDebugMenuItems = new java.util.ArrayList();
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85
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86 //
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87 // File menu
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88 //
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89
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90 JMenu menu = createMenu("File", 'F', 0);
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91 JMenuItem item;
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92 item = createMenuItem("Open source file...",
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93 new ActionListener() {
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94 public void actionPerformed(ActionEvent e) {
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95 openSourceFile();
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96 }
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97 },
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98 KeyEvent.VK_O, InputEvent.CTRL_MASK,
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99 'O', 0);
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100 menu.add(item);
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101 detachMenuItems.add(item);
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102
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103 menu.addSeparator();
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104
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105 item = createMenuItem("Attach to process...",
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106 new ActionListener() {
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107 public void actionPerformed(ActionEvent e) {
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108 showAttachDialog();
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109 }
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110 },
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111 'A', 0);
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112 menu.add(item);
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113 attachMenuItems.add(item);
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114
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115 item = createMenuItem("Detach",
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116 new ActionListener() {
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117 public void actionPerformed(ActionEvent e) {
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118 detach();
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119 }
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120 },
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121 'D', 0);
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122 menu.add(item);
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123 detachMenuItems.add(item);
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124
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125 // Disable detach menu items at first
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126 setMenuItemsEnabled(detachMenuItems, false);
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127
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128 menu.addSeparator();
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129
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130 menu.add(createMenuItem("Exit",
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131 new ActionListener() {
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132 public void actionPerformed(ActionEvent e) {
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133 detach();
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134 System.exit(0);
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135 }
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136 },
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137 'x', 1));
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138
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139 menuBar.add(menu);
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140
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141 //
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142 // Debug menu
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143 //
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144
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145 debugMenu = createMenu("Debug", 'D', 0);
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146 item = createMenuItem("Go",
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147 new ActionListener() {
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148 public void actionPerformed(ActionEvent e) {
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149 if (!attached) return;
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150 if (!isSuspended()) return;
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151 resume();
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152 }
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153 },
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154 KeyEvent.VK_F5, 0,
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155 'G', 0);
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156 debugMenu.add(item);
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157 resumeDebugMenuItems.add(item);
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158
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159 item = createMenuItem("Break",
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160 new ActionListener() {
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161 public void actionPerformed(ActionEvent e) {
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162 if (!attached) {
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163 System.err.println("Not attached");
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164 return;
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165 }
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166 if (isSuspended()) {
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167 System.err.println("Already suspended");
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168 return;
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169 }
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170 suspend();
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171 }
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172 },
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173 'B', 0);
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174 debugMenu.add(item);
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175 suspendDebugMenuItems.add(item);
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176
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177 debugMenu.addSeparator();
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178
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179 item = createMenuItem("Threads...",
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180 new ActionListener() {
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181 public void actionPerformed(ActionEvent e) {
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182 showThreadsDialog();
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183 }
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184 },
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185 'T', 0);
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186 debugMenu.add(item);
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187 debugMenuItems.add(item);
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188 // FIXME: belongs under "View -> Debug Windows"
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189 item = createMenuItem("Memory",
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190 new ActionListener() {
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191 public void actionPerformed(ActionEvent e) {
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192 showMemoryDialog();
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193 }
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194 },
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195 'M', 0);
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196 debugMenu.add(item);
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197 debugMenuItems.add(item);
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198
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199 debugMenu.setEnabled(false);
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200 menuBar.add(debugMenu);
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201
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202 if (mdiMode) {
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203 desktop = new JDesktopPane();
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204 add(desktop, BorderLayout.CENTER);
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205 }
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206
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207 fixedWidthFont = GraphicsUtilities.lookupFont("Courier");
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208
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209 debugEventTimer = new javax.swing.Timer(100, new ActionListener() {
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210 public void actionPerformed(ActionEvent e) {
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211 pollForDebugEvent();
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212 }
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213 });
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214 }
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215
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216 public JMenuBar getMenuBar() {
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217 return menuBar;
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218 }
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219
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220 public void showAttachDialog() {
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221 setMenuItemsEnabled(attachMenuItems, false);
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222 final FrameWrapper attachDialog = newFrame("Attach to process");
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223 attachDialog.getContentPane().setLayout(new BorderLayout());
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224 attachDialog.setClosable(true);
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225 attachDialog.setResizable(true);
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226
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227 JPanel panel = new JPanel();
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228 panel.setLayout(new BorderLayout());
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229 panel.setBorder(GraphicsUtilities.newBorder(5));
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230 attachDialog.setBackground(panel.getBackground());
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231
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232 JPanel listPanel = new JPanel();
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233 listPanel.setLayout(new BorderLayout());
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234 final ProcessListPanel plist = new ProcessListPanel(getLocalDebugger());
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235 panel.add(plist, BorderLayout.CENTER);
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236 JCheckBox check = new JCheckBox("Update list continuously");
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237 check.addItemListener(new ItemListener() {
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238 public void itemStateChanged(ItemEvent e) {
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239 if (e.getStateChange() == ItemEvent.SELECTED) {
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240 plist.start();
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241 } else {
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242 plist.stop();
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243 }
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244 }
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245 });
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246 listPanel.add(plist, BorderLayout.CENTER);
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247 listPanel.add(check, BorderLayout.SOUTH);
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248 panel.add(listPanel, BorderLayout.CENTER);
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249 attachDialog.getContentPane().add(panel, BorderLayout.CENTER);
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250 attachDialog.setClosingActionListener(new ActionListener() {
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251 public void actionPerformed(ActionEvent e) {
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252 plist.stop();
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253 setMenuItemsEnabled(attachMenuItems, true);
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254 }
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255 });
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256
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257 ActionListener attacher = new ActionListener() {
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258 public void actionPerformed(ActionEvent e) {
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259 plist.stop();
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260 attachDialog.setVisible(false);
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261 removeFrame(attachDialog);
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262 ProcessInfo info = plist.getSelectedProcess();
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263 if (info != null) {
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264 attach(info.getPid());
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265 }
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266 }
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267 };
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268
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269 Box hbox = Box.createHorizontalBox();
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270 hbox.add(Box.createGlue());
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271 JButton button = new JButton("OK");
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272 button.addActionListener(attacher);
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273 hbox.add(button);
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274 hbox.add(Box.createHorizontalStrut(20));
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275 button = new JButton("Cancel");
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276 button.addActionListener(new ActionListener() {
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277 public void actionPerformed(ActionEvent e) {
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278 plist.stop();
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279 attachDialog.setVisible(false);
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280 removeFrame(attachDialog);
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281 setMenuItemsEnabled(attachMenuItems, true);
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282 }
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283 });
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284 hbox.add(button);
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285 hbox.add(Box.createGlue());
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286 panel = new JPanel();
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287 panel.setBorder(GraphicsUtilities.newBorder(5));
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288 panel.add(hbox);
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289
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290 attachDialog.getContentPane().add(panel, BorderLayout.SOUTH);
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291
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292 addFrame(attachDialog);
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293 attachDialog.pack();
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294 attachDialog.setSize(400, 300);
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295 GraphicsUtilities.centerInContainer(attachDialog.getComponent(),
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296 getParentDimension(attachDialog.getComponent()));
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297 attachDialog.show();
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298 }
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299
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300 public void showThreadsDialog() {
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301 final FrameWrapper threadsDialog = newFrame("Threads");
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302 threadsDialog.getContentPane().setLayout(new BorderLayout());
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303 threadsDialog.setClosable(true);
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304 threadsDialog.setResizable(true);
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305
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306 ThreadListPanel threads = new ThreadListPanel(getCDebugger(), getAgent().isJavaMode());
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307 threads.addListener(new ThreadListPanel.Listener() {
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308 public void setFocus(ThreadProxy thread, JavaThread jthread) {
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309 setCurrentThread(thread);
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310 // FIXME: print this to GUI, bring some windows to foreground
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311 System.err.println("Focus changed to thread " + thread);
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312 }
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313 });
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314 threads.setBorder(GraphicsUtilities.newBorder(5));
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315 threadsDialog.getContentPane().add(threads);
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316 addFrame(threadsDialog);
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317 threadsDialog.pack();
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318 GraphicsUtilities.reshapeToAspectRatio(threadsDialog.getComponent(),
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319 3.0f,
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320 0.9f,
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321 getParentDimension(threadsDialog.getComponent()));
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322 GraphicsUtilities.centerInContainer(threadsDialog.getComponent(),
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323 getParentDimension(threadsDialog.getComponent()));
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324 threadsDialog.show();
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325 }
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326
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327 public void showMemoryDialog() {
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328 final FrameWrapper memoryDialog = newFrame("Memory");
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329 memoryDialog.getContentPane().setLayout(new BorderLayout());
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330 memoryDialog.setClosable(true);
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331 memoryDialog.setResizable(true);
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332
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333 memoryDialog.getContentPane().add(new MemoryViewer(getDebugger(),
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334 (getDebugger().getMachineDescription().getAddressSize() == 8)),
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335 BorderLayout.CENTER);
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336 addFrame(memoryDialog);
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337 memoryDialog.pack();
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338 GraphicsUtilities.reshapeToAspectRatio(memoryDialog.getComponent(),
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339 1.0f,
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340 0.7f,
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341 getParentDimension(memoryDialog.getComponent()));
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342 GraphicsUtilities.centerInContainer(memoryDialog.getComponent(),
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343 getParentDimension(memoryDialog.getComponent()));
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344 memoryDialog.show();
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345 }
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346
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347 /** Changes the editor factory this debugger uses to display source
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348 code. Specified factory may be null, in which case the default
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349 factory is used. */
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350 public void setEditorFactory(EditorFactory fact) {
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351 if (fact != null) {
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352 editorFact = fact;
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353 } else {
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354 editorFact = new DefaultEditorFactory();
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355 }
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356 }
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357
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358 //----------------------------------------------------------------------
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359 // Internals only below this point
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360 //
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361
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362 private WorkerThread workerThread;
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363 private boolean mdiMode;
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364 private JVMDebugger localDebugger;
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365 private BugSpotAgent agent = new BugSpotAgent();
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366 private JMenuBar menuBar;
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367 /** List <JMenuItem> */
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368 private java.util.List attachMenuItems;
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369 private java.util.List detachMenuItems;
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370 private java.util.List debugMenuItems;
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371 private java.util.List suspendDebugMenuItems;
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372 private java.util.List resumeDebugMenuItems;
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373 private FrameWrapper stackFrame;
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374 private VariablePanel localsPanel;
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375 private StackTracePanel stackTracePanel;
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376 private FrameWrapper registerFrame;
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377 private RegisterPanel registerPanel;
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378 // Used for mixed-language stack traces
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379 private Map threadToJavaThreadMap;
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380
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381 private JMenu debugMenu;
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382
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383 // MDI mode only: desktop pane
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384 private JDesktopPane desktop;
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385
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386 // Attach/detach state
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387 private boolean attached;
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388
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389 // Suspension (combined Java/C++) state
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390 private boolean suspended;
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391
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392 // Fixed-width font
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393 private Font fixedWidthFont;
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394
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395 // Breakpoint setting
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396 // Maps Strings to List/*<LineNumberInfo>*/
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397 private Map sourceFileToLineNumberInfoMap;
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398 // Maps Strings (file names) to Sets of Integers (line numbers)
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399 private Map fileToBreakpointMap;
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400
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401 // Debug events
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402 private javax.swing.Timer debugEventTimer;
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403
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404 // Java debug events
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405 private boolean javaEventPending;
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406
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407 static class BreakpointResult {
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408 private boolean success;
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409 private boolean set;
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410 private int lineNo;
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411 private String why;
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412
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413 /** For positive results */
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414 BreakpointResult(boolean success, boolean set, int lineNo) {
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415 this(success, set, lineNo, null);
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416 }
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417
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418 /** For negative results */
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419 BreakpointResult(boolean success, boolean set, int lineNo, String why) {
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420 this.success = success;
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421 this.set = set;
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422 this.lineNo = lineNo;
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423 this.why = why;
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424 }
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425
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426 public boolean succeeded() {
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427 return success;
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428 }
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429
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430 public boolean set() {
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431 return set;
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432 }
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433
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434 /** Line at which the breakpoint was actually set; only valid if
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435 succeeded() returns true */
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436 public int getLine() {
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437 return lineNo;
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438 }
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439
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440 public String getWhy() {
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441 return why;
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442 }
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443 }
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444
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445
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446 // Editors for source code. File name-to-Editor mapping.
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447 private Map editors;
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448 private EditorFactory editorFact = new DefaultEditorFactory();
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449 private EditorCommands editorComm = new EditorCommands() {
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450 public void windowClosed(Editor editor) {
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451 editors.remove(editor.getSourceFileName());
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452 }
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453
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454 public void toggleBreakpointAtLine(Editor editor, int lineNumber) {
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455 // FIXME: handle "lazy" breakpoints where the source file has
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456 // been opened with some other mechanism (File -> Open) and we
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457 // don't have debug information pointing to that file yet
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458 // FIXME: NOT FINISHED
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459
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460 BreakpointResult res =
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461 handleBreakpointToggle(editor, lineNumber);
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462 if (res.succeeded()) {
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463 if (res.set()) {
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464 editor.showBreakpointAtLine(res.getLine());
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465 } else {
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466 editor.clearBreakpointAtLine(res.getLine());
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467 }
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468 } else {
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469 String why = res.getWhy();
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470 if (why == null) {
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471 why = "";
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472 } else {
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473 why = ": " + why;
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474 }
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475 showMessageDialog("Unable to toggle breakpoint" + why,
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476 "Unable to toggle breakpoint",
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477 JOptionPane.WARNING_MESSAGE);
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478 }
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479 }
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480 };
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481
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482 private void attach(final int pid) {
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483 try {
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484 getAgent().attach(pid);
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485 setMenuItemsEnabled(detachMenuItems, true);
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486 setMenuItemsEnabled(suspendDebugMenuItems, false);
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487 setMenuItemsEnabled(resumeDebugMenuItems, true);
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488 debugMenu.setEnabled(true);
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489 attached = true;
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490 suspended = true;
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491
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492 if (getAgent().isJavaMode()) {
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493 System.err.println("Java HotSpot(TM) virtual machine detected.");
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494 } else {
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495 System.err.println("(No Java(TM) virtual machine detected)");
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496 }
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497
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498 // Set up editor map
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499 editors = new HashMap();
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500
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501 // Initialize breakpoints
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502 fileToBreakpointMap = new HashMap();
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503
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504 // Create combined stack trace and local variable panel
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505 JPanel framePanel = new JPanel();
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506 framePanel.setLayout(new BorderLayout());
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507 framePanel.setBorder(GraphicsUtilities.newBorder(5));
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508 localsPanel = new VariablePanel();
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509 JTabbedPane tab = new JTabbedPane();
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510 tab.addTab("Locals", localsPanel);
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511 tab.setTabPlacement(JTabbedPane.BOTTOM);
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512 framePanel.add(tab, BorderLayout.CENTER);
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513 JPanel stackPanel = new JPanel();
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514 stackPanel.setLayout(new BoxLayout(stackPanel, BoxLayout.X_AXIS));
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515 stackPanel.add(new JLabel("Context:"));
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516 stackPanel.add(Box.createHorizontalStrut(5));
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517 stackTracePanel = new StackTracePanel();
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518 stackTracePanel.addListener(new StackTracePanel.Listener() {
|
|
519 public void frameChanged(CFrame fr, JavaVFrame jfr) {
|
|
520 setCurrentFrame(fr, jfr);
|
|
521 }
|
|
522 });
|
|
523 stackPanel.add(stackTracePanel);
|
|
524 framePanel.add(stackPanel, BorderLayout.NORTH);
|
|
525 stackFrame = newFrame("Stack");
|
|
526 stackFrame.getContentPane().setLayout(new BorderLayout());
|
|
527 stackFrame.getContentPane().add(framePanel, BorderLayout.CENTER);
|
|
528 stackFrame.setResizable(true);
|
|
529 stackFrame.setClosable(false);
|
|
530 addFrame(stackFrame);
|
|
531 stackFrame.setSize(400, 200);
|
|
532 GraphicsUtilities.moveToInContainer(stackFrame.getComponent(), 0.0f, 1.0f, 0, 20);
|
|
533 stackFrame.show();
|
|
534
|
|
535 // Create register panel
|
|
536 registerPanel = new RegisterPanel();
|
|
537 registerPanel.setFont(fixedWidthFont);
|
|
538 registerFrame = newFrame("Registers");
|
|
539 registerFrame.getContentPane().setLayout(new BorderLayout());
|
|
540 registerFrame.getContentPane().add(registerPanel, BorderLayout.CENTER);
|
|
541 addFrame(registerFrame);
|
|
542 registerFrame.setResizable(true);
|
|
543 registerFrame.setClosable(false);
|
|
544 registerFrame.setSize(225, 200);
|
|
545 GraphicsUtilities.moveToInContainer(registerFrame.getComponent(),
|
|
546 1.0f, 0.0f, 0, 0);
|
|
547 registerFrame.show();
|
|
548
|
|
549 resetCurrentThread();
|
|
550 } catch (DebuggerException e) {
|
|
551 final String errMsg = formatMessage(e.getMessage(), 80);
|
|
552 setMenuItemsEnabled(attachMenuItems, true);
|
|
553 showMessageDialog("Unable to connect to process ID " + pid + ":\n\n" + errMsg,
|
|
554 "Unable to Connect",
|
|
555 JOptionPane.WARNING_MESSAGE);
|
|
556 getAgent().detach();
|
|
557 }
|
|
558 }
|
|
559
|
|
560 private synchronized void detachDebugger() {
|
|
561 if (!attached) {
|
|
562 return;
|
|
563 }
|
|
564 if (isSuspended()) {
|
|
565 resume(); // Necessary for JVMDI resumption
|
|
566 }
|
|
567 getAgent().detach();
|
|
568 // FIXME: clear out breakpoints (both Java and C/C++) from target
|
|
569 // process
|
|
570 sourceFileToLineNumberInfoMap = null;
|
|
571 fileToBreakpointMap = null;
|
|
572 threadToJavaThreadMap = null;
|
|
573 editors = null;
|
|
574 attached = false;
|
|
575 }
|
|
576
|
|
577 private synchronized void detach() {
|
|
578 detachDebugger();
|
|
579 setMenuItemsEnabled(attachMenuItems, true);
|
|
580 setMenuItemsEnabled(detachMenuItems, false);
|
|
581 debugMenu.setEnabled(false);
|
|
582 if (mdiMode) {
|
|
583 // FIXME: is this sufficient, or will I have to do anything else
|
|
584 // to the components to kill them off? What about WorkerThreads?
|
|
585 desktop.removeAll();
|
|
586 desktop.invalidate();
|
|
587 desktop.validate();
|
|
588 desktop.repaint();
|
|
589 }
|
|
590 // FIXME: keep track of all windows and close them even in non-MDI
|
|
591 // mode
|
|
592 debugEventTimer.stop();
|
|
593 }
|
|
594
|
|
595 // Returns a Debugger for processes on the local machine. This is
|
|
596 // only used to fetch the process list.
|
|
597 private Debugger getLocalDebugger() {
|
|
598 if (localDebugger == null) {
|
|
599 String os = PlatformInfo.getOS();
|
|
600 String cpu = PlatformInfo.getCPU();
|
|
601
|
|
602 if (os.equals("win32")) {
|
|
603 if (!cpu.equals("x86")) {
|
|
604 throw new DebuggerException("Unsupported CPU \"" + cpu + "\" for Windows");
|
|
605 }
|
|
606
|
|
607 localDebugger = new Win32DebuggerLocal(new MachineDescriptionIntelX86(), true);
|
|
608 } else if (os.equals("linux")) {
|
|
609 if (!cpu.equals("x86")) {
|
|
610 throw new DebuggerException("Unsupported CPU \"" + cpu + "\" for Linux");
|
|
611 }
|
|
612
|
|
613 // FIXME: figure out how to specify path to debugger module
|
|
614 throw new RuntimeException("FIXME: figure out how to specify path to debugger module");
|
|
615 // localDebugger = new PosixDebuggerLocal(new MachineDescriptionIntelX86(), true);
|
|
616 } else {
|
|
617 // FIXME: port to Solaris
|
|
618 throw new DebuggerException("Unsupported OS \"" + os + "\"");
|
|
619 }
|
|
620
|
|
621 // FIXME: we require that the primitive type sizes be configured
|
|
622 // in order to use basic functionality in class Address such as
|
|
623 // the fetching of floating-point values. There are a lot of
|
|
624 // assumptions in the current code that Java floats and doubles
|
|
625 // are of equivalent size to C values. The configurability of the
|
|
626 // primitive type sizes hasn't seemed necessary and in this kind
|
|
627 // of debugging scenario (namely, debugging arbitrary C++
|
|
628 // processes) it appears difficult to support that kind of
|
|
629 // flexibility.
|
|
630 localDebugger.configureJavaPrimitiveTypeSizes(1, 1, 2, 8, 4, 4, 8, 2);
|
|
631 }
|
|
632
|
|
633 return localDebugger;
|
|
634 }
|
|
635
|
|
636 private BugSpotAgent getAgent() {
|
|
637 return agent;
|
|
638 }
|
|
639
|
|
640 private Debugger getDebugger() {
|
|
641 return getAgent().getDebugger();
|
|
642 }
|
|
643
|
|
644 private CDebugger getCDebugger() {
|
|
645 return getAgent().getCDebugger();
|
|
646 }
|
|
647
|
|
648 private void resetCurrentThread() {
|
|
649 setCurrentThread((ThreadProxy) getCDebugger().getThreadList().get(0));
|
|
650 }
|
|
651
|
|
652 private void setCurrentThread(ThreadProxy t) {
|
|
653 // Create stack trace
|
|
654 // FIXME: add ability to intermix C/Java frames
|
|
655 java.util.List trace = new ArrayList();
|
|
656 CFrame fr = getCDebugger().topFrameForThread(t);
|
|
657 while (fr != null) {
|
|
658 trace.add(new StackTraceEntry(fr, getCDebugger()));
|
|
659 try {
|
|
660 fr = fr.sender();
|
|
661 } catch (AddressException e) {
|
|
662 e.printStackTrace();
|
|
663 showMessageDialog("Error while walking stack; stack trace will be truncated\n(see console for details)",
|
|
664 "Error walking stack",
|
|
665 JOptionPane.WARNING_MESSAGE);
|
|
666 fr = null;
|
|
667 }
|
|
668 }
|
|
669 JavaThread jthread = javaThreadForProxy(t);
|
|
670 if (jthread != null) {
|
|
671 // Java mode, and we have a Java thread.
|
|
672 // Find all Java frames on the stack. We currently do this in a
|
|
673 // manner which involves minimal interaction between the Java
|
|
674 // and C/C++ debugging systems: any C frame which has a PC in an
|
|
675 // unknown location (i.e., not in any DSO) is assumed to be a
|
|
676 // Java frame. We merge stack segments of unknown frames with
|
|
677 // segments of Java frames beginning with native methods.
|
|
678 java.util.List javaTrace = new ArrayList();
|
|
679 VFrame vf = jthread.getLastJavaVFrameDbg();
|
|
680 while (vf != null) {
|
|
681 if (vf.isJavaFrame()) {
|
|
682 javaTrace.add(new StackTraceEntry((JavaVFrame) vf));
|
|
683 vf = vf.sender();
|
|
684 }
|
|
685 }
|
|
686 // Merge stack traces
|
|
687 java.util.List mergedTrace = new ArrayList();
|
|
688 int c = 0;
|
|
689 int j = 0;
|
|
690 while (c < trace.size()) {
|
|
691 StackTraceEntry entry = (StackTraceEntry) trace.get(c);
|
|
692 if (entry.isUnknownCFrame()) {
|
|
693 boolean gotJavaFrame = false;
|
|
694 while (j < javaTrace.size()) {
|
|
695 StackTraceEntry javaEntry = (StackTraceEntry) javaTrace.get(j);
|
|
696 JavaVFrame jvf = javaEntry.getJavaFrame();
|
|
697 Method m = jvf.getMethod();
|
|
698 if (!m.isNative() || !gotJavaFrame) {
|
|
699 gotJavaFrame = true;
|
|
700 mergedTrace.add(javaEntry);
|
|
701 ++j;
|
|
702 } else {
|
|
703 break; // Reached native method; have intervening C frames
|
|
704 }
|
|
705 }
|
|
706 if (gotJavaFrame) {
|
|
707 // Skip this sequence of unknown frames, as we've
|
|
708 // successfully identified it as Java frames
|
|
709 while (c < trace.size() && entry.isUnknownCFrame()) {
|
|
710 ++c;
|
|
711 if (c < trace.size()) {
|
|
712 entry = (StackTraceEntry) trace.get(c);
|
|
713 }
|
|
714 }
|
|
715 continue;
|
|
716 }
|
|
717 }
|
|
718 // If we get here, we either have an unknown frame we didn't
|
|
719 // know how to categorize or we have a known C frame. Add it
|
|
720 // to the trace.
|
|
721 mergedTrace.add(entry);
|
|
722 ++c;
|
|
723 }
|
|
724 trace = mergedTrace;
|
|
725 }
|
|
726 stackTracePanel.setTrace(trace);
|
|
727
|
|
728 registerPanel.update(t);
|
|
729 }
|
|
730
|
|
731 private void setCurrentFrame(CFrame fr, JavaVFrame jfr) {
|
|
732 localsPanel.clear();
|
|
733
|
|
734 if (fr != null) {
|
|
735 localsPanel.update(fr);
|
|
736
|
|
737 // FIXME: load source file if we can find it, otherwise display disassembly
|
|
738 LoadObject lo = getCDebugger().loadObjectContainingPC(fr.pc());
|
|
739 if (lo != null) {
|
|
740 CDebugInfoDataBase db = lo.getDebugInfoDataBase();
|
|
741 if (db != null) {
|
|
742 LineNumberInfo info = db.lineNumberForPC(fr.pc());
|
|
743 if (info != null) {
|
|
744 System.err.println("PC " + fr.pc() + ": Source file \"" +
|
|
745 info.getSourceFileName() +
|
|
746 "\", line number " +
|
|
747 info.getLineNumber() +
|
|
748 ", PC range [" +
|
|
749 info.getStartPC() +
|
|
750 ", " +
|
|
751 info.getEndPC() +
|
|
752 ")");
|
|
753 // OK, here we go...
|
|
754 showLineNumber(null, info.getSourceFileName(), info.getLineNumber());
|
|
755 } else {
|
|
756 System.err.println("(No line number information for PC " + fr.pc() + ")");
|
|
757 // Dump line number information for database
|
|
758 db.iterate(new LineNumberVisitor() {
|
|
759 public void doLineNumber(LineNumberInfo info) {
|
|
760 System.err.println(" Source file \"" +
|
|
761 info.getSourceFileName() +
|
|
762 "\", line number " +
|
|
763 info.getLineNumber() +
|
|
764 ", PC range [" +
|
|
765 info.getStartPC() +
|
|
766 ", " +
|
|
767 info.getEndPC() +
|
|
768 ")");
|
|
769 }
|
|
770 });
|
|
771 }
|
|
772 }
|
|
773 }
|
|
774 } else {
|
|
775 if (Assert.ASSERTS_ENABLED) {
|
|
776 Assert.that(jfr != null, "Must have either C or Java frame");
|
|
777 }
|
|
778 localsPanel.update(jfr);
|
|
779 // See whether we can locate source file and line number
|
|
780 // FIXME: infer pathmap entries from user's locating of this
|
|
781 // source file
|
|
782 // FIXME: figure out what to do for native methods. Possible to
|
|
783 // go to line number for the native method declaration?
|
|
784 Method m = jfr.getMethod();
|
|
785 Symbol sfn = ((InstanceKlass) m.getMethodHolder()).getSourceFileName();
|
|
786 if (sfn != null) {
|
|
787 int bci = jfr.getBCI();
|
|
788 int lineNo = m.getLineNumberFromBCI(bci);
|
|
789 if (lineNo >= 0) {
|
|
790 // FIXME: show disassembly otherwise
|
|
791 showLineNumber(packageName(m.getMethodHolder().getName().asString()),
|
|
792 sfn.asString(), lineNo);
|
|
793 }
|
|
794 }
|
|
795 }
|
|
796 }
|
|
797
|
|
798 private String packageName(String str) {
|
|
799 int idx = str.lastIndexOf('/');
|
|
800 if (idx < 0) {
|
|
801 return "";
|
|
802 }
|
|
803 return str.substring(0, idx).replace('/', '.');
|
|
804 }
|
|
805
|
|
806 private JavaThread javaThreadForProxy(ThreadProxy t) {
|
|
807 if (!getAgent().isJavaMode()) {
|
|
808 return null;
|
|
809 }
|
|
810 if (threadToJavaThreadMap == null) {
|
|
811 threadToJavaThreadMap = new HashMap();
|
|
812 Threads threads = VM.getVM().getThreads();
|
|
813 for (JavaThread thr = threads.first(); thr != null; thr = thr.next()) {
|
|
814 threadToJavaThreadMap.put(thr.getThreadProxy(), thr);
|
|
815 }
|
|
816 }
|
|
817 return (JavaThread) threadToJavaThreadMap.get(t);
|
|
818 }
|
|
819
|
|
820 private static JMenu createMenu(String name, char mnemonic, int mnemonicPos) {
|
|
821 JMenu menu = new JMenu(name);
|
|
822 menu.setMnemonic(mnemonic);
|
|
823 menu.setDisplayedMnemonicIndex(mnemonicPos);
|
|
824 return menu;
|
|
825 }
|
|
826
|
|
827 private static JMenuItem createMenuItem(String name, ActionListener l) {
|
|
828 JMenuItem item = new JMenuItem(name);
|
|
829 item.addActionListener(l);
|
|
830 return item;
|
|
831 }
|
|
832
|
|
833 private static JMenuItem createMenuItemInternal(String name, ActionListener l, int accelerator, int modifiers) {
|
|
834 JMenuItem item = createMenuItem(name, l);
|
|
835 item.setAccelerator(KeyStroke.getKeyStroke(accelerator, modifiers));
|
|
836 return item;
|
|
837 }
|
|
838
|
|
839 private static JMenuItem createMenuItem(String name, ActionListener l, int accelerator) {
|
|
840 return createMenuItemInternal(name, l, accelerator, 0);
|
|
841 }
|
|
842
|
|
843 private static JMenuItem createMenuItem(String name, ActionListener l, char mnemonic, int mnemonicPos) {
|
|
844 JMenuItem item = createMenuItem(name, l);
|
|
845 item.setMnemonic(mnemonic);
|
|
846 item.setDisplayedMnemonicIndex(mnemonicPos);
|
|
847 return item;
|
|
848 }
|
|
849
|
|
850 private static JMenuItem createMenuItem(String name,
|
|
851 ActionListener l,
|
|
852 int accelerator,
|
|
853 int acceleratorMods,
|
|
854 char mnemonic,
|
|
855 int mnemonicPos) {
|
|
856 JMenuItem item = createMenuItemInternal(name, l, accelerator, acceleratorMods);
|
|
857 item.setMnemonic(mnemonic);
|
|
858 item.setDisplayedMnemonicIndex(mnemonicPos);
|
|
859 return item;
|
|
860 }
|
|
861
|
|
862 /** Punctuates the given string with \n's where necessary to not
|
|
863 exceed the given number of characters per line. Strips
|
|
864 extraneous whitespace. */
|
|
865 private static String formatMessage(String message, int charsPerLine) {
|
|
866 StringBuffer buf = new StringBuffer(message.length());
|
|
867 StringTokenizer tokenizer = new StringTokenizer(message);
|
|
868 int curLineLength = 0;
|
|
869 while (tokenizer.hasMoreTokens()) {
|
|
870 String tok = tokenizer.nextToken();
|
|
871 if (curLineLength + tok.length() > charsPerLine) {
|
|
872 buf.append('\n');
|
|
873 curLineLength = 0;
|
|
874 } else {
|
|
875 if (curLineLength != 0) {
|
|
876 buf.append(' ');
|
|
877 ++curLineLength;
|
|
878 }
|
|
879 }
|
|
880 buf.append(tok);
|
|
881 curLineLength += tok.length();
|
|
882 }
|
|
883 return buf.toString();
|
|
884 }
|
|
885
|
|
886 private void setMenuItemsEnabled(java.util.List items, boolean enabled) {
|
|
887 for (Iterator iter = items.iterator(); iter.hasNext(); ) {
|
|
888 ((JMenuItem) iter.next()).setEnabled(enabled);
|
|
889 }
|
|
890 }
|
|
891
|
|
892 private void showMessageDialog(final String message, final String title, final int jOptionPaneKind) {
|
|
893 SwingUtilities.invokeLater(new Runnable() {
|
|
894 public void run() {
|
|
895 if (mdiMode) {
|
|
896 JOptionPane.showInternalMessageDialog(desktop, message, title, jOptionPaneKind);
|
|
897 } else {
|
|
898 JOptionPane.showMessageDialog(null, message, title, jOptionPaneKind);
|
|
899 }
|
|
900 }
|
|
901 });
|
|
902 }
|
|
903
|
|
904 private FrameWrapper newFrame(String title) {
|
|
905 if (mdiMode) {
|
|
906 return new JInternalFrameWrapper(new JInternalFrame(title));
|
|
907 } else {
|
|
908 return new JFrameWrapper(new JFrame(title));
|
|
909 }
|
|
910 }
|
|
911
|
|
912 private void addFrame(FrameWrapper frame) {
|
|
913 if (mdiMode) {
|
|
914 desktop.add(frame.getComponent());
|
|
915 }
|
|
916 }
|
|
917
|
|
918 private void removeFrame(FrameWrapper frame) {
|
|
919 if (mdiMode) {
|
|
920 desktop.remove(frame.getComponent());
|
|
921 desktop.invalidate();
|
|
922 desktop.validate();
|
|
923 desktop.repaint();
|
|
924 }
|
|
925 // FIXME: do something when not in MDI mode
|
|
926 }
|
|
927
|
|
928 private Dimension getParentDimension(Component c) {
|
|
929 if (mdiMode) {
|
|
930 return desktop.getSize();
|
|
931 } else {
|
|
932 return Toolkit.getDefaultToolkit().getScreenSize();
|
|
933 }
|
|
934 }
|
|
935
|
|
936 // Default editor implementation
|
|
937 class DefaultEditor implements Editor {
|
|
938 private DefaultEditorFactory factory;
|
|
939 private FrameWrapper editorFrame;
|
|
940 private String filename;
|
|
941 private SourceCodePanel code;
|
|
942 private boolean shown;
|
|
943 private Object userData;
|
|
944
|
|
945 public DefaultEditor(DefaultEditorFactory fact, String filename, final EditorCommands comm) {
|
|
946 this.filename = filename;
|
|
947 this.factory = fact;
|
|
948 editorFrame = newFrame(filename);
|
|
949 code = new SourceCodePanel();
|
|
950 // FIXME: when font changes, change font in editors as well
|
|
951 code.setFont(fixedWidthFont);
|
|
952 editorFrame.getContentPane().add(code);
|
|
953 editorFrame.setClosable(true);
|
|
954 editorFrame.setResizable(true);
|
|
955 editorFrame.setClosingActionListener(new ActionListener() {
|
|
956 public void actionPerformed(ActionEvent e) {
|
|
957 comm.windowClosed(DefaultEditor.this);
|
|
958 removeFrame(editorFrame);
|
|
959 editorFrame.dispose();
|
|
960 factory.editorClosed(DefaultEditor.this);
|
|
961 }
|
|
962 });
|
|
963 editorFrame.setActivatedActionListener(new ActionListener() {
|
|
964 public void actionPerformed(ActionEvent e) {
|
|
965 factory.makeEditorCurrent(DefaultEditor.this);
|
|
966 code.requestFocus();
|
|
967 }
|
|
968 });
|
|
969 code.setEditorCommands(comm, this);
|
|
970 }
|
|
971
|
|
972 public boolean openFile() { return code.openFile(filename); }
|
|
973 public String getSourceFileName() { return filename; }
|
|
974 public int getCurrentLineNumber() { return code.getCurrentLineNumber(); }
|
|
975 public void showLineNumber(int lineNo) {
|
|
976 if (!shown) {
|
|
977 addFrame(editorFrame);
|
|
978 GraphicsUtilities.reshapeToAspectRatio(editorFrame.getComponent(),
|
|
979 1.0f,
|
|
980 0.85f,
|
|
981 getParentDimension(editorFrame.getComponent()));
|
|
982 editorFrame.show();
|
|
983 shown = true;
|
|
984 }
|
|
985 code.showLineNumber(lineNo);
|
|
986 editorFrame.toFront();
|
|
987 }
|
|
988 public void highlightLineNumber(int lineNo) { code.highlightLineNumber(lineNo); }
|
|
989 public void showBreakpointAtLine(int lineNo) { code.showBreakpointAtLine(lineNo); }
|
|
990 public boolean hasBreakpointAtLine(int lineNo) { return code.hasBreakpointAtLine(lineNo); }
|
|
991 public void clearBreakpointAtLine(int lineNo) { code.clearBreakpointAtLine(lineNo); }
|
|
992 public void clearBreakpoints() { code.clearBreakpoints(); }
|
|
993 public void setUserData(Object o) { userData = o; }
|
|
994 public Object getUserData() { return userData; }
|
|
995 public void toFront() { editorFrame.toFront();
|
|
996 factory.makeEditorCurrent(this); }
|
|
997 }
|
|
998
|
|
999 class DefaultEditorFactory implements EditorFactory {
|
|
1000 private LinkedList/*<Editor>*/ editors = new LinkedList();
|
|
1001
|
|
1002 public Editor openFile(String filename, EditorCommands commands) {
|
|
1003 DefaultEditor editor = new DefaultEditor(this, filename, editorComm);
|
|
1004 if (!editor.openFile()) {
|
|
1005 return null;
|
|
1006 }
|
|
1007 return editor;
|
|
1008 }
|
|
1009
|
|
1010 public Editor getCurrentEditor() {
|
|
1011 if (editors.isEmpty()) {
|
|
1012 return null;
|
|
1013 }
|
|
1014 return (Editor) editors.getFirst();
|
|
1015 }
|
|
1016
|
|
1017 void editorClosed(Editor editor) {
|
|
1018 editors.remove(editor);
|
|
1019 }
|
|
1020
|
|
1021 void makeEditorCurrent(Editor editor) {
|
|
1022 editors.remove(editor);
|
|
1023 editors.addFirst(editor);
|
|
1024 }
|
|
1025 }
|
|
1026
|
|
1027 // Helper class for loading .java files; show only those with
|
|
1028 // correct file name which are also in the correct package
|
|
1029 static class JavaFileFilter extends javax.swing.filechooser.FileFilter {
|
|
1030 private String packageName;
|
|
1031 private String fileName;
|
|
1032
|
|
1033 JavaFileFilter(String packageName, String fileName) {
|
|
1034 this.packageName = packageName;
|
|
1035 this.fileName = fileName;
|
|
1036 }
|
|
1037
|
|
1038 public boolean accept(File f) {
|
|
1039 if (f.isDirectory()) {
|
|
1040 return true;
|
|
1041 }
|
|
1042 // This rejects most files
|
|
1043 if (!f.getName().equals(fileName)) {
|
|
1044 return false;
|
|
1045 }
|
|
1046 // Ensure selected file is in the correct package
|
|
1047 PackageScanner scanner = new PackageScanner();
|
|
1048 String pkg = scanner.scan(f);
|
|
1049 if (!pkg.equals(packageName)) {
|
|
1050 return false;
|
|
1051 }
|
|
1052 return true;
|
|
1053 }
|
|
1054
|
|
1055 public String getDescription() { return "Java source files"; }
|
|
1056 }
|
|
1057
|
|
1058 // Auxiliary information used only for Java source files
|
|
1059 static class JavaUserData {
|
|
1060 private String packageName; // External format
|
|
1061 private String sourceFileName;
|
|
1062
|
|
1063 /** Source file name is equivalent to that found in the .java
|
|
1064 file; i.e., not a full path */
|
|
1065 JavaUserData(String packageName, String sourceFileName) {
|
|
1066 this.packageName = packageName;
|
|
1067 this.sourceFileName = sourceFileName;
|
|
1068 }
|
|
1069
|
|
1070 String packageName() { return packageName; }
|
|
1071 String sourceFileName() { return sourceFileName; }
|
|
1072 }
|
|
1073
|
|
1074 // Opens a source file. This makes it available for the setting of
|
|
1075 // lazy breakpoints.
|
|
1076 private void openSourceFile() {
|
|
1077 JFileChooser chooser = new JFileChooser();
|
|
1078 chooser.setDialogTitle("Open source code file");
|
|
1079 chooser.setMultiSelectionEnabled(false);
|
|
1080 if (chooser.showOpenDialog(null) != JFileChooser.APPROVE_OPTION) {
|
|
1081 return;
|
|
1082 }
|
|
1083 File chosen = chooser.getSelectedFile();
|
|
1084 if (chosen == null) {
|
|
1085 return;
|
|
1086 }
|
|
1087
|
|
1088 // See whether we have a Java source file. If so, derive a package
|
|
1089 // name for it.
|
|
1090 String path = chosen.getPath();
|
|
1091 String name = null;
|
|
1092 JavaUserData data = null;
|
|
1093 if (path.endsWith(".java")) {
|
|
1094 PackageScanner scanner = new PackageScanner();
|
|
1095 String pkg = scanner.scan(chosen);
|
|
1096 // Now knowing both the package name and file name, we can put
|
|
1097 // this in the editor map and use it for setting breakpoints
|
|
1098 // later
|
|
1099 String fileName = chosen.getName();
|
|
1100 name = pkg + "." + fileName;
|
|
1101 data = new JavaUserData(pkg, fileName);
|
|
1102 } else {
|
|
1103 // FIXME: need pathmap mechanism
|
|
1104 name = path;
|
|
1105 }
|
|
1106 Editor editor = (Editor) editors.get(name);
|
|
1107 if (editor == null) {
|
|
1108 editor = editorFact.openFile(path, editorComm);
|
|
1109 if (editor == null) {
|
|
1110 showMessageDialog("Unable to open file \"" + path + "\" -- unexpected error.",
|
|
1111 "Unable to open file",
|
|
1112 JOptionPane.WARNING_MESSAGE);
|
|
1113 return;
|
|
1114 }
|
|
1115 editors.put(name, editor);
|
|
1116 if (data != null) {
|
|
1117 editor.setUserData(data);
|
|
1118 }
|
|
1119 } else {
|
|
1120 editor.toFront();
|
|
1121 }
|
|
1122 editor.showLineNumber(1);
|
|
1123 // Show breakpoints as well if we have any for this file
|
|
1124 Set set = (Set) fileToBreakpointMap.get(editor.getSourceFileName());
|
|
1125 if (set != null) {
|
|
1126 for (Iterator iter = set.iterator(); iter.hasNext(); ) {
|
|
1127 editor.showBreakpointAtLine(((Integer) iter.next()).intValue());
|
|
1128 }
|
|
1129 }
|
|
1130 }
|
|
1131
|
|
1132 // Package name may be null, in which case the file is assumed to be
|
|
1133 // a C source file. Otherwise it is assumed to be a Java source file
|
|
1134 // and certain filtering rules will be applied.
|
|
1135 private void showLineNumber(String packageName, String fileName, int lineNumber) {
|
|
1136 String name;
|
|
1137 if (packageName == null) {
|
|
1138 name = fileName;
|
|
1139 } else {
|
|
1140 name = packageName + "." + fileName;
|
|
1141 }
|
|
1142 Editor editor = (Editor) editors.get(name);
|
|
1143 if (editor == null) {
|
|
1144 // See whether file exists
|
|
1145 File file = new File(fileName);
|
|
1146 String realFileName = fileName;
|
|
1147 if (!file.exists()) {
|
|
1148 // User must specify path to file
|
|
1149 JFileChooser chooser = new JFileChooser();
|
|
1150 chooser.setDialogTitle("Please locate " + fileName);
|
|
1151 chooser.setMultiSelectionEnabled(false);
|
|
1152 if (packageName != null) {
|
|
1153 chooser.setFileFilter(new JavaFileFilter(packageName, fileName));
|
|
1154 }
|
|
1155 int res = chooser.showOpenDialog(null);
|
|
1156 if (res != JFileChooser.APPROVE_OPTION) {
|
|
1157 // FIXME: show disassembly instead
|
|
1158 return;
|
|
1159 }
|
|
1160 // FIXME: would like to infer more from the selection; i.e.,
|
|
1161 // a pathmap leading up to this file
|
|
1162 File chosen = chooser.getSelectedFile();
|
|
1163 if (chosen == null) {
|
|
1164 return;
|
|
1165 }
|
|
1166 realFileName = chosen.getPath();
|
|
1167 }
|
|
1168 // Now instruct editor factory to open file
|
|
1169 editor = editorFact.openFile(realFileName, editorComm);
|
|
1170 if (editor == null) {
|
|
1171 showMessageDialog("Unable to open file \"" + realFileName + "\" -- unexpected error.",
|
|
1172 "Unable to open file",
|
|
1173 JOptionPane.WARNING_MESSAGE);
|
|
1174 return;
|
|
1175 }
|
|
1176 // Got an editor; put it in map
|
|
1177 editors.put(name, editor);
|
|
1178 // If Java source file, add additional information for later
|
|
1179 if (packageName != null) {
|
|
1180 editor.setUserData(new JavaUserData(packageName, fileName));
|
|
1181 }
|
|
1182 }
|
|
1183 // Got editor; show line
|
|
1184 editor.showLineNumber(lineNumber);
|
|
1185 editor.highlightLineNumber(lineNumber);
|
|
1186 // Show breakpoints as well if we have any for this file
|
|
1187 Set set = (Set) fileToBreakpointMap.get(editor.getSourceFileName());
|
|
1188 if (set != null) {
|
|
1189 for (Iterator iter = set.iterator(); iter.hasNext(); ) {
|
|
1190 editor.showBreakpointAtLine(((Integer) iter.next()).intValue());
|
|
1191 }
|
|
1192 }
|
|
1193 }
|
|
1194
|
|
1195 //
|
|
1196 // Suspend/resume
|
|
1197 //
|
|
1198
|
|
1199 private boolean isSuspended() {
|
|
1200 return suspended;
|
|
1201 }
|
|
1202
|
|
1203 private synchronized void suspend() {
|
|
1204 setMenuItemsEnabled(resumeDebugMenuItems, true);
|
|
1205 setMenuItemsEnabled(suspendDebugMenuItems, false);
|
|
1206 BugSpotAgent agent = getAgent();
|
|
1207 if (agent.canInteractWithJava() && !agent.isJavaSuspended()) {
|
|
1208 agent.suspendJava();
|
|
1209 }
|
|
1210 agent.suspend();
|
|
1211 // FIXME: call VM.getVM().fireVMSuspended()
|
|
1212 resetCurrentThread();
|
|
1213 debugEventTimer.stop();
|
|
1214 suspended = true;
|
|
1215 }
|
|
1216
|
|
1217 private synchronized void resume() {
|
|
1218 // Note: we don't wipe out the cached state like the
|
|
1219 // sourceFileToLineNumberInfoMap since it is too expensive to
|
|
1220 // recompute. Instead we recompute it if any DLLs are loaded or
|
|
1221 // unloaded.
|
|
1222 threadToJavaThreadMap = null;
|
|
1223 setMenuItemsEnabled(resumeDebugMenuItems, false);
|
|
1224 setMenuItemsEnabled(suspendDebugMenuItems, true);
|
|
1225 registerPanel.clear();
|
|
1226 // FIXME: call VM.getVM().fireVMResumed()
|
|
1227 BugSpotAgent agent = getAgent();
|
|
1228 agent.resume();
|
|
1229 if (agent.canInteractWithJava()) {
|
|
1230 if (agent.isJavaSuspended()) {
|
|
1231 agent.resumeJava();
|
|
1232 }
|
|
1233 if (javaEventPending) {
|
|
1234 javaEventPending = false;
|
|
1235 // Clear it out before resuming polling for events
|
|
1236 agent.javaEventContinue();
|
|
1237 }
|
|
1238 }
|
|
1239 agent.enableJavaInteraction();
|
|
1240 suspended = false;
|
|
1241 debugEventTimer.start();
|
|
1242 }
|
|
1243
|
|
1244 //
|
|
1245 // Breakpoints
|
|
1246 //
|
|
1247
|
|
1248 private synchronized BreakpointResult handleBreakpointToggle(Editor editor, int lineNumber) {
|
|
1249 // Currently we only use user data in editors to indicate Java
|
|
1250 // source files. If this changes then this code will need to
|
|
1251 // change.
|
|
1252 JavaUserData data = (JavaUserData) editor.getUserData();
|
|
1253 String filename = editor.getSourceFileName();
|
|
1254 if (data == null) {
|
|
1255 // C/C++ code
|
|
1256 // FIXME: as noted above in EditorCommands.toggleBreakpointAtLine,
|
|
1257 // this needs more work to handle "lazy" breakpoints in files
|
|
1258 // which we don't know about in the debug information yet
|
|
1259 CDebugger dbg = getCDebugger();
|
|
1260 ProcessControl prctl = dbg.getProcessControl();
|
|
1261 if (prctl == null) {
|
|
1262 return new BreakpointResult(false, false, 0, "Process control not enabled");
|
|
1263 }
|
|
1264 boolean mustSuspendAndResume = (!prctl.isSuspended());
|
|
1265 try {
|
|
1266 if (mustSuspendAndResume) {
|
|
1267 prctl.suspend();
|
|
1268 }
|
|
1269 // Search debug info for all DSOs
|
|
1270 LineNumberInfo info = getLineNumberInfo(filename, lineNumber);
|
|
1271 if (info != null) {
|
|
1272 Set bpset = (Set) fileToBreakpointMap.get(filename);
|
|
1273 if (bpset == null) {
|
|
1274 bpset = new HashSet();
|
|
1275 fileToBreakpointMap.put(filename, bpset);
|
|
1276 }
|
|
1277 Integer key = new Integer(info.getLineNumber());
|
|
1278 if (bpset.contains(key)) {
|
|
1279 // Clear breakpoint at this line's PC
|
|
1280 prctl.clearBreakpoint(info.getStartPC());
|
|
1281 bpset.remove(key);
|
|
1282 return new BreakpointResult(true, false, info.getLineNumber());
|
|
1283 } else {
|
|
1284 // Set breakpoint at this line's PC
|
|
1285 System.err.println("Setting breakpoint at PC " + info.getStartPC());
|
|
1286 prctl.setBreakpoint(info.getStartPC());
|
|
1287 bpset.add(key);
|
|
1288 return new BreakpointResult(true, true, info.getLineNumber());
|
|
1289 }
|
|
1290 } else {
|
|
1291 return new BreakpointResult(false, false, 0, "No debug information for this source file and line");
|
|
1292 }
|
|
1293 } finally {
|
|
1294 if (mustSuspendAndResume) {
|
|
1295 prctl.resume();
|
|
1296 }
|
|
1297 }
|
|
1298 } else {
|
|
1299 BugSpotAgent agent = getAgent();
|
|
1300 if (!agent.canInteractWithJava()) {
|
|
1301 String why;
|
|
1302 if (agent.isJavaInteractionDisabled()) {
|
|
1303 why = "Can not toggle Java breakpoints while stopped because\nof C/C++ debug events (breakpoints, single-stepping)";
|
|
1304 } else {
|
|
1305 why = "Could not talk to SA's JVMDI module to enable Java\nprogramming language breakpoints (run with -Xdebug -Xrunsa)";
|
|
1306 }
|
|
1307 return new BreakpointResult(false, false, 0, why);
|
|
1308 }
|
|
1309 Set bpset = (Set) fileToBreakpointMap.get(filename);
|
|
1310 if (bpset == null) {
|
|
1311 bpset = new HashSet();
|
|
1312 fileToBreakpointMap.put(filename, bpset);
|
|
1313 }
|
|
1314 boolean mustResumeAndSuspend = isSuspended();
|
|
1315 try {
|
|
1316 if (mustResumeAndSuspend) {
|
|
1317 agent.resume();
|
|
1318 }
|
|
1319 ServiceabilityAgentJVMDIModule.BreakpointToggleResult res =
|
|
1320 getAgent().toggleJavaBreakpoint(data.sourceFileName(),
|
|
1321 data.packageName(),
|
|
1322 lineNumber);
|
|
1323 if (res.getSuccess()) {
|
|
1324 Integer key = new Integer(res.getLineNumber());
|
|
1325 boolean addRemRes = false;
|
|
1326 if (res.getWasSet()) {
|
|
1327 addRemRes = bpset.add(key);
|
|
1328 System.err.println("Setting breakpoint at " + res.getMethodName() + res.getMethodSignature() +
|
|
1329 ", bci " + res.getBCI() + ", line " + res.getLineNumber());
|
|
1330 } else {
|
|
1331 addRemRes = bpset.remove(key);
|
|
1332 System.err.println("Clearing breakpoint at " + res.getMethodName() + res.getMethodSignature() +
|
|
1333 ", bci " + res.getBCI() + ", line " + res.getLineNumber());
|
|
1334 }
|
|
1335 if (Assert.ASSERTS_ENABLED) {
|
|
1336 Assert.that(addRemRes, "Inconsistent Java breakpoint state with respect to target process");
|
|
1337 }
|
|
1338 return new BreakpointResult(true, res.getWasSet(), res.getLineNumber());
|
|
1339 } else {
|
|
1340 return new BreakpointResult(false, false, 0, res.getErrMsg());
|
|
1341 }
|
|
1342 } finally {
|
|
1343 if (mustResumeAndSuspend) {
|
|
1344 agent.suspend();
|
|
1345 resetCurrentThread();
|
|
1346 }
|
|
1347 }
|
|
1348 }
|
|
1349 }
|
|
1350
|
|
1351 // Must call only when suspended
|
|
1352 private LineNumberInfo getLineNumberInfo(String filename, int lineNumber) {
|
|
1353 Map map = getSourceFileToLineNumberInfoMap();
|
|
1354 java.util.List infos = (java.util.List) map.get(filename);
|
|
1355 if (infos == null) {
|
|
1356 return null;
|
|
1357 }
|
|
1358 // Binary search for line number
|
|
1359 return searchLineNumbers(infos, lineNumber, 0, infos.size());
|
|
1360 }
|
|
1361
|
|
1362 // Must call only when suspended
|
|
1363 private Map getSourceFileToLineNumberInfoMap() {
|
|
1364 if (sourceFileToLineNumberInfoMap == null) {
|
|
1365 // Build from debug info
|
|
1366 java.util.List loadObjects = getCDebugger().getLoadObjectList();
|
|
1367 final Map map = new HashMap();
|
|
1368 for (Iterator iter = loadObjects.iterator(); iter.hasNext(); ) {
|
|
1369 LoadObject lo = (LoadObject) iter.next();
|
|
1370 CDebugInfoDataBase db = lo.getDebugInfoDataBase();
|
|
1371 if (db != null) {
|
|
1372 db.iterate(new LineNumberVisitor() {
|
|
1373 public void doLineNumber(LineNumberInfo info) {
|
|
1374 String name = info.getSourceFileName();
|
|
1375 if (name != null) {
|
|
1376 java.util.List val = (java.util.List) map.get(name);
|
|
1377 if (val == null) {
|
|
1378 val = new ArrayList();
|
|
1379 map.put(name, val);
|
|
1380 }
|
|
1381 val.add(info);
|
|
1382 }
|
|
1383 }
|
|
1384 });
|
|
1385 }
|
|
1386 }
|
|
1387 // Sort all lists
|
|
1388 for (Iterator iter = map.values().iterator(); iter.hasNext(); ) {
|
|
1389 java.util.List list = (java.util.List) iter.next();
|
|
1390 Collections.sort(list, new Comparator() {
|
|
1391 public int compare(Object o1, Object o2) {
|
|
1392 LineNumberInfo l1 = (LineNumberInfo) o1;
|
|
1393 LineNumberInfo l2 = (LineNumberInfo) o2;
|
|
1394 int n1 = l1.getLineNumber();
|
|
1395 int n2 = l2.getLineNumber();
|
|
1396 if (n1 < n2) return -1;
|
|
1397 if (n1 == n2) return 0;
|
|
1398 return 1;
|
|
1399 }
|
|
1400 });
|
|
1401 }
|
|
1402 sourceFileToLineNumberInfoMap = map;
|
|
1403 }
|
|
1404 return sourceFileToLineNumberInfoMap;
|
|
1405 }
|
|
1406
|
|
1407 private LineNumberInfo searchLineNumbers(java.util.List infoList, int lineNo, int lowIdx, int highIdx) {
|
|
1408 if (highIdx < lowIdx) return null;
|
|
1409 if (lowIdx == highIdx) {
|
|
1410 // Base case: see whether start PC is less than or equal to addr
|
|
1411 if (checkLineNumber(infoList, lineNo, lowIdx)) {
|
|
1412 return (LineNumberInfo) infoList.get(lowIdx);
|
|
1413 } else {
|
|
1414 return null;
|
|
1415 }
|
|
1416 } else if (lowIdx == highIdx - 1) {
|
|
1417 if (checkLineNumber(infoList, lineNo, lowIdx)) {
|
|
1418 return (LineNumberInfo) infoList.get(lowIdx);
|
|
1419 } else if (checkLineNumber(infoList, lineNo, highIdx)) {
|
|
1420 return (LineNumberInfo) infoList.get(highIdx);
|
|
1421 } else {
|
|
1422 return null;
|
|
1423 }
|
|
1424 }
|
|
1425 int midIdx = (lowIdx + highIdx) >> 1;
|
|
1426 LineNumberInfo info = (LineNumberInfo) infoList.get(midIdx);
|
|
1427 if (lineNo < info.getLineNumber()) {
|
|
1428 // Always move search down
|
|
1429 return searchLineNumbers(infoList, lineNo, lowIdx, midIdx);
|
|
1430 } else if (lineNo == info.getLineNumber()) {
|
|
1431 return info;
|
|
1432 } else {
|
|
1433 // Move search up
|
|
1434 return searchLineNumbers(infoList, lineNo, midIdx, highIdx);
|
|
1435 }
|
|
1436 }
|
|
1437
|
|
1438 private boolean checkLineNumber(java.util.List infoList, int lineNo, int idx) {
|
|
1439 LineNumberInfo info = (LineNumberInfo) infoList.get(idx);
|
|
1440 return (info.getLineNumber() >= lineNo);
|
|
1441 }
|
|
1442
|
|
1443 //
|
|
1444 // Debug events
|
|
1445 //
|
|
1446
|
|
1447 private synchronized void pollForDebugEvent() {
|
|
1448 ProcessControl prctl = getCDebugger().getProcessControl();
|
|
1449 if (prctl == null) {
|
|
1450 return;
|
|
1451 }
|
|
1452 DebugEvent ev = prctl.debugEventPoll();
|
|
1453 if (ev != null) {
|
|
1454 DebugEvent.Type t = ev.getType();
|
|
1455 if (t == DebugEvent.Type.LOADOBJECT_LOAD ||
|
|
1456 t == DebugEvent.Type.LOADOBJECT_UNLOAD) {
|
|
1457 // Conservatively clear cached debug info state
|
|
1458 sourceFileToLineNumberInfoMap = null;
|
|
1459 // FIXME: would be very useful to have "stop on load/unload"
|
|
1460 // events
|
|
1461 // FIXME: must do work at these events to implement lazy
|
|
1462 // breakpoints
|
|
1463 prctl.debugEventContinue();
|
|
1464 } else if (t == DebugEvent.Type.BREAKPOINT) {
|
|
1465 // Note: Visual C++ only notifies on breakpoints it doesn't
|
|
1466 // know about
|
|
1467
|
|
1468 // FIXME: put back test
|
|
1469 // if (!prctl.isBreakpointSet(ev.getPC())) {
|
|
1470 showMessageDialog("Breakpoint reached at PC " + ev.getPC(),
|
|
1471 "Breakpoint reached",
|
|
1472 JOptionPane.INFORMATION_MESSAGE);
|
|
1473 // }
|
|
1474 agent.disableJavaInteraction();
|
|
1475 suspend();
|
|
1476 prctl.debugEventContinue();
|
|
1477 } else if (t == DebugEvent.Type.SINGLE_STEP) {
|
|
1478 agent.disableJavaInteraction();
|
|
1479 suspend();
|
|
1480 prctl.debugEventContinue();
|
|
1481 } else if (t == DebugEvent.Type.ACCESS_VIOLATION) {
|
|
1482 showMessageDialog("Access violation attempting to " +
|
|
1483 (ev.getWasWrite() ? "write" : "read") +
|
|
1484 " address " + ev.getAddress() +
|
|
1485 " at PC " + ev.getPC(),
|
|
1486 "Access Violation",
|
|
1487 JOptionPane.WARNING_MESSAGE);
|
|
1488 agent.disableJavaInteraction();
|
|
1489 suspend();
|
|
1490 prctl.debugEventContinue();
|
|
1491 } else {
|
|
1492 String info = "Unknown debug event encountered";
|
|
1493 if (ev.getUnknownEventDetail() != null) {
|
|
1494 info = info + ": " + ev.getUnknownEventDetail();
|
|
1495 }
|
|
1496 showMessageDialog(info, "Unknown debug event", JOptionPane.INFORMATION_MESSAGE);
|
|
1497 suspend();
|
|
1498 prctl.debugEventContinue();
|
|
1499 }
|
|
1500 return;
|
|
1501 }
|
|
1502
|
|
1503 // No C++ debug event; poll for Java debug event
|
|
1504 if (getAgent().canInteractWithJava()) {
|
|
1505 if (!javaEventPending) {
|
|
1506 if (getAgent().javaEventPending()) {
|
|
1507 suspend();
|
|
1508 // This does a lot of work and we want to have the page
|
|
1509 // cache available to us as it runs
|
|
1510 sun.jvm.hotspot.livejvm.Event jev = getAgent().javaEventPoll();
|
|
1511 if (jev != null) {
|
|
1512 javaEventPending = true;
|
|
1513 if (jev.getType() == sun.jvm.hotspot.livejvm.Event.Type.BREAKPOINT) {
|
|
1514 BreakpointEvent bpev = (BreakpointEvent) jev;
|
|
1515 showMessageDialog("Breakpoint reached in method\n" +
|
|
1516 bpev.methodID().method().externalNameAndSignature() +
|
|
1517 ",\nbci " + bpev.location(),
|
|
1518 "Breakpoint reached",
|
|
1519 JOptionPane.INFORMATION_MESSAGE);
|
|
1520 } else if (jev.getType() == sun.jvm.hotspot.livejvm.Event.Type.EXCEPTION) {
|
|
1521 ExceptionEvent exev = (ExceptionEvent) jev;
|
|
1522 showMessageDialog(exev.exception().getKlass().getName().asString() +
|
|
1523 "\nthrown in method\n" +
|
|
1524 exev.methodID().method().externalNameAndSignature() +
|
|
1525 "\nat BCI " + exev.location(),
|
|
1526 "Exception thrown",
|
|
1527 JOptionPane.INFORMATION_MESSAGE);
|
|
1528 } else {
|
|
1529 Assert.that(false, "Should not reach here");
|
|
1530 }
|
|
1531 }
|
|
1532 }
|
|
1533 }
|
|
1534 }
|
|
1535 }
|
|
1536 }
|