1 /* |
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2 * Copyright (c) 2000, 2011, 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; |
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26 |
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27 import sun.jvm.hotspot.debugger.*; |
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28 import sun.jvm.hotspot.debugger.proc.*; |
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29 |
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30 // A test of the debugger backend. This should be used to connect to |
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31 // the helloWorld.cpp program. |
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32 |
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33 public class TestDebugger { |
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34 |
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35 private static void usage() { |
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36 System.out.println("usage: java TestDebugger [pid]"); |
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37 System.out.println("pid must be the process ID of the helloWorld process"); |
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38 System.exit(1); |
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39 } |
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40 |
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41 public static void main(String[] args) { |
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42 try { |
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43 if (args.length != 1) { |
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44 usage(); |
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45 } |
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46 |
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47 int pid = 0; |
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48 try { |
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49 pid = Integer.parseInt(args[0]); |
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50 } |
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51 catch (NumberFormatException e) { |
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52 usage(); |
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53 } |
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54 |
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55 JVMDebugger debugger = new ProcDebuggerLocal(null, true); |
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56 |
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57 try { |
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58 debugger.attach(pid); |
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59 } |
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60 catch (DebuggerException e) { |
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61 System.err.print("Error attaching to process ID " + pid + ": "); |
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62 if (e.getMessage() != null) { |
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63 System.err.print(e.getMessage()); |
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64 } |
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65 System.err.println(); |
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66 System.exit(1); |
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67 } |
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68 |
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69 // HACK: configure debugger with primitive type sizes to get |
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70 // Java types going |
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71 debugger.configureJavaPrimitiveTypeSizes(1, 1, 2, 8, 4, 4, 8, 2); |
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72 |
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73 // FIXME: figure out how to canonicalize and/or eliminate |
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74 // loadobject specification |
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75 String loadObjectName = "-"; |
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76 |
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77 // long strAddr = debugger.lookup("helloWorld", "helloWorldString"); |
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78 Address addr = debugger.lookup(loadObjectName, "helloWorldString"); |
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79 if (addr == null) { |
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80 System.err.println("Error looking up symbol \"helloWorldString\" in context \"" + |
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81 loadObjectName + "\""); |
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82 System.exit(1); |
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83 } |
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84 |
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85 // This is a pointer which points to the start of storage. |
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86 // Dereference it. |
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87 addr = addr.getAddressAt(0); |
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88 |
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89 // Read the number of bytes we know we need |
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90 int helloWorldLen = 13; |
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91 byte[] data = new byte[helloWorldLen]; |
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92 for (int i = 0; i < helloWorldLen; ++i) { |
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93 data[i] = (byte) addr.getCIntegerAt(i, 1, false); |
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94 } |
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95 |
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96 // Convert to characters |
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97 char[] chars = new char[data.length]; |
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98 for (int i = 0; i < data.length; ++i) { |
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99 chars[i] = (char) data[i]; |
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100 } |
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101 String helloWorldStr = new String(chars); |
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102 |
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103 System.out.println("Successfully read string \"" + helloWorldStr + "\" from target process\n"); |
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104 |
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105 // Test all Java data types (see helloWorld.cpp) |
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106 byte expectedByteValue = (byte) 132; |
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107 short expectedShortValue = (short) 27890; |
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108 int expectedIntValue = 1020304050; |
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109 long expectedLongValue = 102030405060708090L; |
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110 float expectedFloatValue = 35.4F; |
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111 double expectedDoubleValue = 1.23456789; |
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112 byte byteValue = 0; |
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113 short shortValue = 0; |
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114 int intValue = 0; |
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115 long longValue = 0; |
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116 float floatValue = 0; |
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117 double doubleValue = 0; |
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118 |
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119 addr = debugger.lookup(loadObjectName, "testByte"); |
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120 if (addr == null) { |
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121 System.err.println("Error looking up symbol \"testByte\" in context \"" + |
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122 loadObjectName + "\""); |
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123 System.exit(1); |
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124 } |
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125 byteValue = addr.getJByteAt(0); |
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126 if (byteValue != expectedByteValue) { |
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127 System.err.println("Error: unexpected byte value (got " + |
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128 byteValue + ", expected " + expectedByteValue + ")"); |
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129 System.exit(1); |
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130 } |
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131 |
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132 addr = debugger.lookup(loadObjectName, "testShort"); |
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133 if (addr == null) { |
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134 System.err.println("Error looking up symbol \"testShort\" in context \"" + |
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135 loadObjectName + "\""); |
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136 System.exit(1); |
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137 } |
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138 shortValue = addr.getJShortAt(0); |
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139 if (shortValue != expectedShortValue) { |
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140 System.err.println("Error: unexpected short value (got " + |
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141 shortValue + ", expected " + expectedShortValue + ")"); |
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142 System.exit(1); |
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143 } |
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144 |
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145 addr = debugger.lookup(loadObjectName, "testInt"); |
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146 if (addr == null) { |
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147 System.err.println("Error looking up symbol \"testInt\" in context \"" + |
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148 loadObjectName + "\""); |
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149 System.exit(1); |
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150 } |
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151 intValue = addr.getJIntAt(0); |
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152 if (intValue != expectedIntValue) { |
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153 System.err.println("Error: unexpected int value (got " + |
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154 intValue + ", expected " + expectedIntValue + ")"); |
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155 System.exit(1); |
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156 } |
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157 |
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158 addr = debugger.lookup(loadObjectName, "testLong"); |
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159 if (addr == null) { |
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160 System.err.println("Error looking up symbol \"testLong\" in context \"" + |
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161 loadObjectName + "\""); |
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162 System.exit(1); |
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163 } |
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164 longValue = addr.getJLongAt(0); |
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165 if (longValue != expectedLongValue) { |
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166 System.err.println("Error: unexpected long value (got " + |
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167 longValue + ", expected " + expectedLongValue + ")"); |
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168 System.exit(1); |
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169 } |
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170 |
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171 addr = debugger.lookup(loadObjectName, "testFloat"); |
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172 if (addr == null) { |
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173 System.err.println("Error looking up symbol \"testFloat\" in context \"" + |
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174 loadObjectName + "\""); |
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175 System.exit(1); |
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176 } |
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177 floatValue = addr.getJFloatAt(0); |
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178 if (floatValue != expectedFloatValue) { |
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179 System.err.println("Error: unexpected float value (got " + |
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180 floatValue + ", expected " + expectedFloatValue + ")"); |
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181 System.exit(1); |
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182 } |
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183 |
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184 addr = debugger.lookup(loadObjectName, "testDouble"); |
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185 if (addr == null) { |
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186 System.err.println("Error looking up symbol \"testDouble\" in context \"" + |
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187 loadObjectName + "\""); |
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188 System.exit(1); |
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189 } |
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190 doubleValue = addr.getJDoubleAt(0); |
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191 if (doubleValue != expectedDoubleValue) { |
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192 System.err.println("Error: unexpected double value (got " + |
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193 doubleValue + ", expected " + expectedDoubleValue + ")"); |
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194 System.exit(1); |
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195 } |
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196 |
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197 System.err.println("All tests passed successfully."); |
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198 |
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199 debugger.detach(); |
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200 } |
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201 catch (AddressException e) { |
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202 System.err.println("Error occurred during test:"); |
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203 e.printStackTrace(); |
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204 System.exit(1); |
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205 } |
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206 } |
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207 } |
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