1 /* 2 * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 package sun.jvm.hotspot; 26 27 import sun.jvm.hotspot.debugger.*; 28 import sun.jvm.hotspot.debugger.dbx.*; 29 30 // A test of the debugger backend. This should be used to connect to 31 // the helloWorld.cpp program. 32 33 public class TestDebugger { 34 // FIXME: make these configurable, i.e., via a dotfile 35 private static final String dbxPathName = "/export/home/kbr/ws/dbx_61/dev/Derived-sparcv9-S2./src/dbx/dbx"; 36 private static final String[] dbxSvcAgentDSOPathNames = 37 new String[] { 38 "/export/home/kbr/main/sa_baseline/src/os/solaris/agent/libsvc_agent_dbx.so" 39 }; 40 41 private static void usage() { 42 System.out.println("usage: java TestDebugger [pid]"); 43 System.out.println("pid must be the process ID of the helloWorld process"); 44 System.exit(1); 45 } 46 47 public static void main(String[] args) { 48 try { 49 if (args.length != 1) { 50 usage(); 51 } 52 53 int pid = 0; 54 try { 55 pid = Integer.parseInt(args[0]); 56 } 57 catch (NumberFormatException e) { 58 usage(); 59 } 60 61 JVMDebugger debugger = new DbxDebuggerLocal(new MachineDescriptionSPARC64Bit(), 62 dbxPathName, dbxSvcAgentDSOPathNames, true); 63 64 try { 65 debugger.attach(pid); 66 } 67 catch (DebuggerException e) { 68 System.err.print("Error attaching to process ID " + pid + ": "); 69 if (e.getMessage() != null) { 70 System.err.print(e.getMessage()); 71 } 72 System.err.println(); 73 System.exit(1); 74 } 75 76 // HACK: configure debugger with primitive type sizes to get 77 // Java types going 78 debugger.configureJavaPrimitiveTypeSizes(1, 1, 2, 8, 4, 4, 8, 2); 79 80 // FIXME: figure out how to canonicalize and/or eliminate 81 // loadobject specification 82 String loadObjectName = "-"; 83 84 // long strAddr = debugger.lookup("helloWorld", "helloWorldString"); 85 Address addr = debugger.lookup(loadObjectName, "helloWorldString"); 86 if (addr == null) { 87 System.err.println("Error looking up symbol \"helloWorldString\" in context \"" + 88 loadObjectName + "\""); 89 System.exit(1); 90 } 91 92 // This is a pointer which points to the start of storage. 93 // Dereference it. 94 addr = addr.getAddressAt(0); 95 96 // Read the number of bytes we know we need 97 int helloWorldLen = 13; 98 byte[] data = new byte[helloWorldLen]; 99 for (int i = 0; i < helloWorldLen; ++i) { 100 data[i] = (byte) addr.getCIntegerAt(i, 1, false); 101 } 102 103 // Convert to characters 104 char[] chars = new char[data.length]; 105 for (int i = 0; i < data.length; ++i) { 106 chars[i] = (char) data[i]; 107 } 108 String helloWorldStr = new String(chars); 109 110 System.out.println("Successfully read string \"" + helloWorldStr + "\" from target process\n"); 111 112 // Test all Java data types (see helloWorld.cpp) 113 byte expectedByteValue = (byte) 132; 114 short expectedShortValue = (short) 27890; 115 int expectedIntValue = 1020304050; 116 long expectedLongValue = 102030405060708090L; 117 float expectedFloatValue = 35.4F; 118 double expectedDoubleValue = 1.23456789; 119 byte byteValue = 0; 120 short shortValue = 0; 121 int intValue = 0; 122 long longValue = 0; 123 float floatValue = 0; 124 double doubleValue = 0; 125 126 addr = debugger.lookup(loadObjectName, "testByte"); 127 if (addr == null) { 128 System.err.println("Error looking up symbol \"testByte\" in context \"" + 129 loadObjectName + "\""); 130 System.exit(1); 131 } 132 byteValue = addr.getJByteAt(0); 133 if (byteValue != expectedByteValue) { 134 System.err.println("Error: unexpected byte value (got " + 135 byteValue + ", expected " + expectedByteValue + ")"); 136 System.exit(1); 137 } 138 139 addr = debugger.lookup(loadObjectName, "testShort"); 140 if (addr == null) { 141 System.err.println("Error looking up symbol \"testShort\" in context \"" + 142 loadObjectName + "\""); 143 System.exit(1); 144 } 145 shortValue = addr.getJShortAt(0); 146 if (shortValue != expectedShortValue) { 147 System.err.println("Error: unexpected short value (got " + 148 shortValue + ", expected " + expectedShortValue + ")"); 149 System.exit(1); 150 } 151 152 addr = debugger.lookup(loadObjectName, "testInt"); 153 if (addr == null) { 154 System.err.println("Error looking up symbol \"testInt\" in context \"" + 155 loadObjectName + "\""); 156 System.exit(1); 157 } 158 intValue = addr.getJIntAt(0); 159 if (intValue != expectedIntValue) { 160 System.err.println("Error: unexpected int value (got " + 161 intValue + ", expected " + expectedIntValue + ")"); 162 System.exit(1); 163 } 164 165 addr = debugger.lookup(loadObjectName, "testLong"); 166 if (addr == null) { 167 System.err.println("Error looking up symbol \"testLong\" in context \"" + 168 loadObjectName + "\""); 169 System.exit(1); 170 } 171 longValue = addr.getJLongAt(0); 172 if (longValue != expectedLongValue) { 173 System.err.println("Error: unexpected long value (got " + 174 longValue + ", expected " + expectedLongValue + ")"); 175 System.exit(1); 176 } 177 178 addr = debugger.lookup(loadObjectName, "testFloat"); 179 if (addr == null) { 180 System.err.println("Error looking up symbol \"testFloat\" in context \"" + 181 loadObjectName + "\""); 182 System.exit(1); 183 } 184 floatValue = addr.getJFloatAt(0); 185 if (floatValue != expectedFloatValue) { 186 System.err.println("Error: unexpected float value (got " + 187 floatValue + ", expected " + expectedFloatValue + ")"); 188 System.exit(1); 189 } 190 191 addr = debugger.lookup(loadObjectName, "testDouble"); 192 if (addr == null) { 193 System.err.println("Error looking up symbol \"testDouble\" in context \"" + 194 loadObjectName + "\""); 195 System.exit(1); 196 } 197 doubleValue = addr.getJDoubleAt(0); 198 if (doubleValue != expectedDoubleValue) { 199 System.err.println("Error: unexpected double value (got " + 200 doubleValue + ", expected " + expectedDoubleValue + ")"); 201 System.exit(1); 202 } 203 204 System.err.println("All tests passed successfully."); 205 206 debugger.detach(); 207 } 208 catch (AddressException e) { 209 System.err.println("Error occurred during test:"); 210 e.printStackTrace(); 211 System.exit(1); 212 } 213 } 214 }