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1 /* |
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2 * Copyright (c) 2004-2008 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 using System; |
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19 using System.Collections.Generic; |
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20 using System.Text; |
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21 using CrashDebuggerLib.Structures.Common; |
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22 using CrashDebuggerLib.Structures.KernelObjects; |
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23 using CrashDebuggerLib.Structures.Process; |
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24 using CrashDebuggerLib.Structures.NThread; |
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25 using SymbianStructuresLib.Debug.Symbols; |
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26 |
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27 namespace CrashDebuggerLib.Structures.Thread |
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28 { |
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29 public class DThread : DObject |
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30 { |
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31 #region Enumerations |
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32 [System.ComponentModel.TypeConverter( typeof( SymbianParserLib.TypeConverters.SymbianEnumConverter ) )] |
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33 public enum TThreadState |
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34 { |
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35 EUnknown = -1, |
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36 ECreated = 0, |
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37 EDead, |
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38 EReady, |
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39 EWaitSemaphore, |
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40 EWaitSemaphoreSuspended, |
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41 EWaitMutex, |
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42 EWaitMutexSuspended, |
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43 EHoldMutexPending, |
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44 EWaitCondVar, |
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45 EWaitCondVarSuspended, |
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46 } |
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47 |
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48 [Flags, System.ComponentModel.TypeConverter( typeof( SymbianParserLib.TypeConverters.SymbianEnumConverter ) )] |
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49 public enum TThreadFlags |
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50 { |
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51 EThreadFlagNone = 0x00000000, |
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52 EThreadFlagProcessCritical = 0x00000001, // thread panic panics process |
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53 EThreadFlagProcessPermanent = 0x00000002, // thread exit of any kind causes process to exit (=main) |
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54 EThreadFlagSystemCritical = 0x00000004, // thread panic reboots entire system |
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55 EThreadFlagSystemPermanent = 0x00000008, // thread exit of any kind reboots entire system |
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56 EThreadFlagOriginal = 0x00000010, |
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57 EThreadFlagLastChance = 0x00000020, |
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58 EThreadFlagRealtime = 0x00000040, // thread will be panicked when using some non-realtime functions |
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59 EThreadFlagRealtimeTest = 0x00000080 // non-realtime functions only warn rather than panic |
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60 } |
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61 |
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62 public enum TThreadWaitType |
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63 { |
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64 EThreadWaitingUnknown = 0, |
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65 EThreadWaitingReady, |
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66 EThreadWaitingOnSemaphore, |
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67 EThreadWaitingOnMutex, |
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68 EThreadWaitingOnDfc, |
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69 EThreadWaitingOnResumption, |
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70 EThreadWaitingOnRequestSemaphore, |
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71 EThreadWaitingOnRequestSemaphoreInsideSchedulerWaitLoop |
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72 } |
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73 #endregion |
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74 |
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75 #region Constructors |
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76 public DThread( CrashDebuggerInfo aCrashDebugger ) |
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77 : base( aCrashDebugger, TObjectType.EThread ) |
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78 { |
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79 iNThread = new CrashDebuggerLib.Structures.NThread.NThread( aCrashDebugger, this ); |
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80 iStackInfoSupervisor = new ThreadStackInfo( aCrashDebugger, this, ThreadStackInfo.TType.ETypeSupervisor ); |
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81 iStackInfoUser = new ThreadStackInfo( aCrashDebugger, this, ThreadStackInfo.TType.ETypeUser ); |
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82 } |
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83 #endregion |
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84 |
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85 #region API |
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86 #endregion |
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87 |
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88 #region Properties |
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89 public TThreadState MState |
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90 { |
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91 get { return iState; } |
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92 set { iState = value; } |
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93 } |
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94 |
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95 public uint WaitObj |
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96 { |
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97 get { return iStateWaitObjectAddress; } |
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98 set { iStateWaitObjectAddress = value; } |
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99 } |
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100 |
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101 public TThreadFlags Flags |
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102 { |
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103 get { return iFlags; } |
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104 set { iFlags = value; } |
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105 } |
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106 |
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107 public uint Handles |
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108 { |
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109 get { return iHandles; } |
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110 set { iHandles = value; } |
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111 } |
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112 |
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113 public long Id |
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114 { |
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115 get { return iId; } |
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116 set { iId = value; } |
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117 } |
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118 |
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119 public ThreadAllocatorInfo AllocatorInfo |
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120 { |
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121 get { return iAllocatorInfo; } |
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122 } |
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123 |
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124 public uint Frame |
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125 { |
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126 get { return iFrame; } |
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127 set { iFrame = value; } |
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128 } |
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129 |
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130 public ThreadPriorities Priorities |
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131 { |
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132 get { return iPriorities; } |
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133 } |
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134 |
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135 public ExitInfo ExitInfo |
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136 { |
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137 get { return iExitInfo; } |
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138 } |
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139 |
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140 public ThreadStackInfo StackInfoUser |
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141 { |
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142 get { return iStackInfoUser; } |
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143 } |
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144 |
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145 public ThreadStackInfo StackInfoSupervisor |
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146 { |
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147 get { return iStackInfoSupervisor; } |
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148 } |
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149 |
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150 public ThreadHandlers Handlers |
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151 { |
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152 get { return iHandlers; } |
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153 } |
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154 |
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155 public ThreadTemporaries Temporaries |
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156 { |
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157 get { return iTemporaries; } |
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158 } |
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159 |
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160 public uint IpcCount |
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161 { |
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162 get { return iIpcCount; } |
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163 set { iIpcCount = value; } |
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164 } |
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165 |
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166 public DProcess OwningProcess |
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167 { |
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168 get |
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169 { |
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170 DProcess ret = null; |
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171 // |
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172 DObject owner = Owner; |
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173 if ( owner != null && owner is DProcess ) |
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174 { |
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175 ret = (DProcess) owner; |
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176 } |
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177 // |
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178 return ret; |
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179 } |
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180 } |
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181 |
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182 public NThread.NThread NThread |
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183 { |
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184 get { return iNThread; } |
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185 } |
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186 |
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187 public bool HasActiveScheduler |
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188 { |
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189 get |
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190 { |
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191 return ( iHandlers.ActiveScheduler != 0 ); |
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192 } |
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193 } |
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194 |
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195 public TThreadWaitType WaitType |
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196 { |
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197 get |
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198 { |
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199 TThreadWaitType waitType = TThreadWaitType.EThreadWaitingUnknown; |
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200 // |
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201 if ( NThread.NState == CrashDebuggerLib.Structures.NThread.NThread.TNThreadState.EWaitDfc ) |
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202 { |
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203 waitType = TThreadWaitType.EThreadWaitingOnDfc; |
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204 } |
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205 else if ( NThread.NState == CrashDebuggerLib.Structures.NThread.NThread.TNThreadState.EReady ) |
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206 { |
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207 waitType = TThreadWaitType.EThreadWaitingReady; |
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208 } |
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209 else if ( NThread.NState == CrashDebuggerLib.Structures.NThread.NThread.TNThreadState.ESuspended ) |
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210 { |
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211 waitType = TThreadWaitType.EThreadWaitingOnResumption; |
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212 } |
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213 else if ( NThread.NState == CrashDebuggerLib.Structures.NThread.NThread.TNThreadState.EBlocked ) |
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214 { |
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215 bool blockdOnSemaphore = IsBlockedOnSemaphore; |
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216 if ( blockdOnSemaphore ) |
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217 { |
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218 waitType = TThreadWaitType.EThreadWaitingOnSemaphore; |
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219 } |
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220 } |
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221 else if ( NThread.NState == CrashDebuggerLib.Structures.NThread.NThread.TNThreadState.EWaitFastSemaphore ) |
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222 { |
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223 // Check that the fast semaphore is definitely the NThread's request semaphore. |
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224 uint nThreadRequestSemaphoreAddress = NThread.RequestSemaphoreAddress; |
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225 if ( NThread.WaitObj != 0 && NThread.WaitObj == nThreadRequestSemaphoreAddress ) |
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226 { |
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227 CrashDebuggerLib.Structures.NThread.NThread.TWaitType nThreadWaitType = NThread.WaitType; |
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228 // |
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229 if ( nThreadWaitType == CrashDebuggerLib.Structures.NThread.NThread.TWaitType.EWaitTypeUserWaitForAnyRequest ) |
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230 { |
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231 if ( HasActiveScheduler ) |
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232 { |
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233 waitType = TThreadWaitType.EThreadWaitingOnRequestSemaphoreInsideSchedulerWaitLoop; |
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234 } |
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235 else |
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236 { |
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237 waitType = TThreadWaitType.EThreadWaitingOnRequestSemaphore; |
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238 } |
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239 } |
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240 else if ( nThreadWaitType == CrashDebuggerLib.Structures.NThread.NThread.TWaitType.EWaitTypeUserWaitForRequest ) |
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241 { |
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242 waitType = TThreadWaitType.EThreadWaitingOnRequestSemaphore; |
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243 } |
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244 } |
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245 } |
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246 // |
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247 return waitType; |
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248 } |
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249 } |
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250 |
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251 public bool IsUserThread |
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252 { |
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253 get |
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254 { |
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255 bool ret = false; |
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256 // |
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257 DProcess parent = OwningProcess; |
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258 if ( parent != null ) |
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259 { |
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260 string name = parent.Name.ToLower(); |
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261 ret = ( name != Platform.ProcessNames.KKernel.ToLower() ); |
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262 } |
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263 // |
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264 return ret; |
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265 } |
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266 } |
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267 |
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268 public bool IsCurrent |
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269 { |
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270 get |
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271 { |
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272 bool ret = CrashDebugger.IsCurrentThread( this ); |
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273 return ret; |
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274 } |
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275 } |
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276 #endregion |
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277 |
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278 #region Internal methods |
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279 private bool IsBlockedOnSemaphore |
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280 { |
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281 get |
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282 { |
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283 bool ret = false; |
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284 // |
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285 if ( NThread.NState == CrashDebuggerLib.Structures.NThread.NThread.TNThreadState.EBlocked ) |
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286 { |
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287 Register.RegisterEntry linkReg = NThread.Registers[ "R14_USR" ]; |
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288 if ( linkReg.Symbol != null ) |
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289 { |
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290 string symbolText = linkReg.Symbol.Name; |
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291 if ( symbolText.Contains( "RSemaphore::Wait" ) || symbolText.Contains( "RCriticalSection::Wait" ) ) |
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292 { |
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293 ret = true; |
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294 } |
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295 else if ( symbolText.Contains( "Exec::SemaphoreWait" ) ) |
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296 { |
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297 ret = true; |
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298 } |
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299 } |
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300 } |
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301 // |
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302 return ret; |
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303 } |
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304 } |
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305 #endregion |
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306 |
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307 #region Internal constants |
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308 #endregion |
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309 |
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310 #region From DBase |
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311 public override string ToClipboard() |
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312 { |
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313 StringBuilder ret = new StringBuilder(); |
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314 // |
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315 ret.AppendLine( base.ToClipboard() ); |
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316 ret.AppendFormat( "MState: {0}, Id: {1}, ExitInfo: {2}" + System.Environment.NewLine, MState, Id, ExitInfo ); |
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317 ret.AppendLine( iNThread.ToClipboard() ); |
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318 ret.AppendLine( iStackInfoUser.ToClipboard() ); |
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319 ret.AppendLine( iStackInfoSupervisor.ToClipboard() ); |
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320 // |
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321 return ret.ToString(); |
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322 } |
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323 #endregion |
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324 |
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325 #region From System.Object |
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326 public override string ToString() |
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327 { |
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328 return base.ToString(); |
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329 } |
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330 #endregion |
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331 |
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332 #region Data members |
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333 private readonly NThread.NThread iNThread; |
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334 private readonly ThreadStackInfo iStackInfoSupervisor; |
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335 private readonly ThreadStackInfo iStackInfoUser; |
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336 |
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337 private TThreadState iState = TThreadState.EUnknown; |
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338 private TThreadFlags iFlags = TThreadFlags.EThreadFlagNone; |
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339 |
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340 private uint iStateWaitObjectAddress = 0; |
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341 private uint iHandles = 0; |
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342 private long iId = 0; |
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343 private uint iFrame = 0; |
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344 private uint iIpcCount = 0; |
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345 |
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346 private ThreadAllocatorInfo iAllocatorInfo = new ThreadAllocatorInfo(); |
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347 private ThreadPriorities iPriorities = new ThreadPriorities(); |
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348 private ExitInfo iExitInfo = new ExitInfo(); |
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349 private ThreadHandlers iHandlers = new ThreadHandlers(); |
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350 private ThreadTemporaries iTemporaries = new ThreadTemporaries(); |
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351 #endregion |
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352 } |
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353 } |