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1 /*
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2 * Copyright 2000-2004 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.debugger.dummy;
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26
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27 import java.util.*;
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28 import sun.jvm.hotspot.debugger.*;
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29 import sun.jvm.hotspot.debugger.cdbg.CDebugger;
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30 import sun.jvm.hotspot.utilities.*;
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31
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32 /** For testing purposes */
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33
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34 public class DummyDebugger extends DebuggerBase {
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35 private MachineDescription machDesc;
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36
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37 public DummyDebugger(MachineDescription machDesc) {
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38 this.machDesc = machDesc;
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39 }
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40
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41 public boolean hasProcessList() throws DebuggerException {
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42 return false;
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43 }
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44
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45 public List getProcessList() throws DebuggerException {
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46 return null;
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47 }
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48
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49 public void attach(int processID) throws DebuggerException {
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50 }
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51
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52 public void attach(String executableName, String coreFileName)
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53 throws DebuggerException {
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54 }
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55
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56 public boolean detach() {
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57 return true;
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58 }
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59
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60 public Address parseAddress(String addrStr) {
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61 String s = addrStr.trim();
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62 if (!s.startsWith("0x")) {
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63 throw new NumberFormatException(addrStr);
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64 }
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65 long l = 0;
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66 for (int i = 2; i < s.length(); ++i) {
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67 int val = charToNibble(s.charAt(i));
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68 l <<= 4;
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69 l |= val;
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70 }
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71 return new DummyAddress(this, l);
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72 }
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73
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74 public long getAddressValue(Address addr) {
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75 if (addr == null) return 0;
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76 return ((DummyAddress) addr).getValue();
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77 }
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78
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79 public String getOS() {
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80 return PlatformInfo.getOS();
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81 }
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82
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83 public String getCPU() {
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84 return PlatformInfo.getCPU();
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85 }
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86
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87 public MachineDescription getMachineDescription() throws DebuggerException {
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88 return machDesc;
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89 }
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90
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91 public boolean hasConsole() {
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92 return false;
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93 }
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94
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95 public String consoleExecuteCommand(String cmd)
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96 throws DebuggerException {
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97 throw new DebuggerException("unimplemented");
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98 }
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99
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100 public String getConsolePrompt() throws DebuggerException {
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101 throw new DebuggerException("unimplemented");
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102 }
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103
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104 public CDebugger getCDebugger() throws DebuggerException {
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105 return null;
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106 }
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107
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108 public Address lookup(String objectName, String symbol) {
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109 return null;
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110 }
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111
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112 public OopHandle lookupOop(String objectName, String symbol) {
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113 return null;
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114 }
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115
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116 public ThreadProxy getThreadForIdentifierAddress(Address addr) {
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117 return null;
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118 }
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119
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120 public ThreadProxy getThreadForThreadId(long id) {
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121 return null;
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122 }
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123
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124 public ReadResult readBytesFromProcess(long address, long numBytes)
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125 throws DebuggerException {
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126 throw new DebuggerException("Unimplemented");
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127 }
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128
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129 public void writeBytesToProcess(long a, long b, byte[] buf)
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130 throws DebuggerException {
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131 throw new DebuggerException("Unimplemented");
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132 }
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133
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134 //----------------------------------------------------------------------
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135 // Package-internal routines
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136 //
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137
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138 String addressToString(DummyAddress addr) {
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139 StringBuffer buf = new StringBuffer();
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140 buf.append("0x");
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141 String val;
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142 if (addr == null) {
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143 val = "0";
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144 } else {
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145 val = Long.toHexString(addr.getValue());
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146 }
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147 for (int i = 0; i < ((2 * machDesc.getAddressSize()) - val.length()); i++) {
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148 buf.append('0');
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149 }
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150 buf.append(val);
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151 return buf.toString();
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152 }
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153
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154 //----------------------------------------------------------------------
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155 // Internals only below this point
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156 //
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157
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158 private int charToNibble(char ascii) throws NumberFormatException {
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159 if (ascii >= '0' && ascii <= '9') {
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160 return ascii - '0';
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161 } else if (ascii >= 'A' && ascii <= 'F') {
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162 return 10 + ascii - 'A';
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163 } else if (ascii >= 'a' && ascii <= 'f') {
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164 return 10 + ascii - 'a';
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165 }
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166 throw new NumberFormatException(new Character(ascii).toString());
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167 }
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168 }
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