1 /* |
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2 * Copyright (c) 2001, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * 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.util.*; |
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29 import javax.swing.*; |
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30 import javax.swing.table.*; |
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31 |
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32 import sun.jvm.hotspot.debugger.*; |
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33 |
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34 /** Displays registers in a window. FIXME: this will need more work to |
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35 understand and handle register windows. */ |
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36 |
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37 public class RegisterPanel extends JPanel { |
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38 private java.util.List/*<RegisterInfo>*/ registers; |
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39 private AbstractTableModel dataModel; |
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40 private boolean valid; |
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41 private boolean editable; |
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42 private String nullAddressString; |
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43 private ThreadProxy curThread; |
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44 private JTable table; |
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45 |
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46 static class RegisterInfo { |
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47 private String name; |
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48 private Address value; |
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49 |
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50 RegisterInfo(String name, Address value) { |
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51 this.name = name; |
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52 this.value = value; |
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53 } |
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54 |
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55 String getName() { return name; } |
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56 Address getValue() { return value; } |
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57 } |
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58 |
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59 public RegisterPanel() { |
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60 super(); |
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61 |
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62 registers = new ArrayList(); |
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63 |
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64 dataModel = new AbstractTableModel() { |
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65 public int getColumnCount() { return 2; } |
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66 public int getRowCount() { return registers.size(); } |
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67 public String getColumnName(int col) { |
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68 switch (col) { |
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69 case 0: |
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70 return "Register Name"; |
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71 case 1: |
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72 return "Register Value"; |
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73 default: |
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74 throw new RuntimeException("Index " + col + " out of bounds"); |
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75 } |
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76 } |
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77 public Object getValueAt(int row, int col) { |
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78 RegisterInfo info = (RegisterInfo) registers.get(row); |
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79 |
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80 switch (col) { |
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81 case 0: |
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82 return info.getName(); |
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83 case 1: |
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84 if (valid) { |
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85 Address val = info.getValue(); |
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86 if (val != null) { |
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87 return val; |
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88 } else { |
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89 return nullAddressString; |
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90 } |
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91 } else { |
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92 return "-"; |
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93 } |
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94 default: |
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95 throw new RuntimeException("Index (" + col + ", " + row + ") out of bounds"); |
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96 } |
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97 } |
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98 public boolean isCellEditable(int row, int col) { |
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99 if (col == 0) return false; |
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100 if (!valid) return false; |
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101 if (curThread == null) return false; |
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102 if (!curThread.canSetContext()) return false; |
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103 |
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104 // FIXME: add listener to watch for register changes |
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105 // return true; |
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106 return false; |
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107 } |
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108 }; |
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109 |
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110 // Build user interface |
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111 setLayout(new BorderLayout()); |
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112 table = new JTable(dataModel); |
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113 table.setCellSelectionEnabled(true); |
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114 table.setSelectionMode(ListSelectionModel.SINGLE_INTERVAL_SELECTION); |
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115 table.setDragEnabled(true); |
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116 JTableHeader header = table.getTableHeader(); |
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117 header.setReorderingAllowed(false); |
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118 JScrollPane scrollPane = new JScrollPane(table); |
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119 add(scrollPane, BorderLayout.CENTER); |
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120 } |
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121 |
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122 |
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123 /** Updates the register panel with the register set from the |
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124 specified thread. Call this when the process has been suspended |
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125 and the current thread has been set. FIXME: this interface will |
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126 need to change to support register windows. */ |
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127 public void update(ThreadProxy curThread) { |
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128 this.curThread = curThread; |
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129 ThreadContext context = curThread.getContext(); |
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130 editable = curThread.canSetContext(); |
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131 registers.clear(); |
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132 for (int i = 0; i < context.getNumRegisters(); i++) { |
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133 String name = context.getRegisterName(i); |
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134 Address addr = context.getRegisterAsAddress(i); |
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135 if ((nullAddressString == null) && (addr != null)) { |
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136 String addrStr = addr.toString(); |
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137 StringBuffer buf = new StringBuffer(); |
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138 buf.append("0x"); |
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139 int len = addrStr.length() - 2; |
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140 for (int j = 0; j < len; j++) { |
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141 buf.append("0"); |
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142 } |
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143 nullAddressString = buf.toString(); |
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144 } |
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145 registers.add(new RegisterInfo(name, addr)); |
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146 } |
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147 valid = true; |
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148 SwingUtilities.invokeLater(new Runnable() { |
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149 public void run() { |
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150 dataModel.fireTableDataChanged(); |
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151 } |
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152 }); |
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153 } |
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154 |
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155 /** Clears the registers' values. Call this when the processs has |
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156 been resumed. */ |
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157 public void clear() { |
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158 valid = false; |
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159 nullAddressString = null; |
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160 SwingUtilities.invokeLater(new Runnable() { |
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161 public void run() { |
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162 dataModel.fireTableDataChanged(); |
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163 } |
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164 }); |
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165 } |
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166 |
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167 public void setFont(Font font) { |
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168 super.setFont(font); |
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169 if (table != null) { |
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170 table.setFont(font); |
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171 } |
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172 } |
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173 } |
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