1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of the License "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #include "d_driver_event_info.h" |
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17 #include "debug_logging.h" |
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18 #include <kernel/kernel.h> |
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19 #include <kernel/kern_priv.h> |
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20 |
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21 using namespace Debug; |
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22 |
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23 TDriverEventInfo::TDriverEventInfo() |
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24 { |
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25 Reset(); |
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26 } |
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27 |
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28 void TDriverEventInfo::Reset() |
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29 { |
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30 iProcessId = 0; |
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31 iThreadId = 0; |
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32 iCurrentPC = 0; |
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33 iExceptionNumber = 0; |
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34 iFileName.Zero(); |
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35 iPanicCategory.Zero(); |
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36 iCodeAddress = 0; |
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37 iDataAddress = 0; |
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38 iThreadIdValid = (TUint8)EFalse; |
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39 iProcessIdValid = (TUint8)EFalse; |
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40 iEventType = EEventsUnknown; |
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41 iUidsValid = (TUint8)EFalse; |
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42 iActionTaken = EActionIgnore; |
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43 iThreadFlags = 0; |
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44 }; |
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45 |
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46 /** |
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47 Copy the data from this object into the object pointed to by aEventInfo in |
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48 the client thread aClientThread. It is assumed that the write is performed |
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49 on behalf of aClientThread. |
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50 |
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51 @param aClientThread client thread to write the data to |
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52 @param aEventInfo TEventInfo object in the client thread to populate with data |
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53 @param aAsyncGetValueRequest TClientDataRequest object used for pinning user memory |
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54 |
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55 @return KErrNone on success, or one of the other system wide error codes |
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56 */ |
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57 TInt TDriverEventInfo::WriteEventToClientThread(TClientDataRequest<TEventInfo>* aAsyncGetValueRequest, DThread* aClientThread) const |
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58 { |
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59 // create a temporary TEventInfo to populate with the relevant data |
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60 TEventInfo eventInfo; |
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61 TInt err = KErrNone; |
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62 |
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63 // populate the data that is common to all events |
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64 err = PopulateCommonEventInfo(eventInfo); |
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65 |
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66 if(KErrNone != err) |
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67 { |
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68 return err; |
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69 } |
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70 |
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71 // populate the event specific data (means filling in the correct union member) |
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72 err = PopulateEventSpecificInfo(eventInfo); |
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73 |
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74 // write the data to the client and return any error |
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75 if(KErrNone == err) |
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76 { |
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77 aAsyncGetValueRequest->Data() = eventInfo; |
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78 } |
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79 |
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80 return err; |
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81 } |
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82 |
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83 /** |
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84 Write the common event values into aEventInfo |
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85 |
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86 @param aEventInfo TEventInfo object to write data into |
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87 */ |
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88 TInt TDriverEventInfo::PopulateCommonEventInfo(TEventInfo& aEventInfo) const |
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89 { |
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90 aEventInfo.iEventType = iEventType; |
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91 aEventInfo.iProcessId = iProcessId; |
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92 aEventInfo.iProcessIdValid = iProcessIdValid; |
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93 aEventInfo.iThreadId = iThreadId; |
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94 aEventInfo.iThreadIdValid = iThreadIdValid; |
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95 aEventInfo.iActionTaken = iActionTaken; |
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96 LOG_MSG5("TDriverEventInfo:: PopulateCommon : eventType=%d, tidValid=%d, tid=0x%x, actionTaken=%d", |
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97 iEventType, iThreadIdValid, TUint(iThreadId), iActionTaken ); |
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98 return KErrNone; |
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99 } |
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100 |
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101 /** |
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102 Write the event specific values into aEventInfo |
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103 |
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104 @param aEventInfo TEventInfo object to write data into |
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105 */ |
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106 TInt TDriverEventInfo::PopulateEventSpecificInfo(TEventInfo& aEventInfo) const |
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107 { |
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108 TInt ret = KErrNone; |
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109 |
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110 switch(aEventInfo.iEventType) |
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111 { |
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112 case EEventsBreakPoint: |
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113 ret = PopulateThreadBreakPointInfo(aEventInfo); |
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114 return ret; |
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115 case EEventsProcessBreakPoint: |
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116 ret = PopulateThreadBreakPointInfo(aEventInfo); |
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117 return ret; |
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118 case EEventsSwExc: |
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119 ret = PopulateThreadSwExceptionInfo(aEventInfo); |
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120 return ret; |
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121 case EEventsHwExc: |
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122 ret = PopulateThreadHwExceptionInfo(aEventInfo); |
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123 return ret; |
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124 case EEventsKillThread: |
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125 ret = PopulateThreadKillInfo(aEventInfo); |
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126 return ret; |
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127 case EEventsAddLibrary: |
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128 ret = PopulateLibraryLoadedInfo(aEventInfo); |
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129 return ret; |
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130 case EEventsRemoveLibrary: |
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131 ret = PopulateLibraryUnloadedInfo(aEventInfo); |
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132 return ret; |
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133 case EEventsUserTrace: |
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134 ret = PopulateUserTraceInfo(aEventInfo); |
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135 return ret; |
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136 case EEventsStartThread: |
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137 ret = PopulateStartThreadInfo(aEventInfo); |
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138 return ret; |
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139 case EEventsUserTracesLost: |
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140 //no event specific data to be filled here |
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141 return KErrNone; |
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142 case EEventsAddProcess: |
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143 ret = PopulateAddProcessInfo(aEventInfo); |
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144 return ret; |
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145 case EEventsRemoveProcess: |
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146 ret = PopulateRemoveProcessInfo(aEventInfo); |
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147 return ret; |
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148 } |
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149 |
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150 return KErrArgument; |
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151 } |
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152 |
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153 /** |
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154 Write the event specific values for a break point event into TEventInfo |
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155 |
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156 @param aEventInfo TEventInfo object to write data into |
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157 */ |
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158 TInt TDriverEventInfo::PopulateThreadBreakPointInfo(TEventInfo& aEventInfo) const |
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159 { |
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160 aEventInfo.iThreadBreakPointInfo.iExceptionNumber = (TExcType)iExceptionNumber; |
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161 TInt ret = PopulateRmdArmExcInfo(aEventInfo); |
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162 |
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163 return ret; |
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164 } |
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165 |
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166 /** |
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167 Write the event specific values for a thread exception event into TEventInfo |
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168 |
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169 @param aEventInfo TEventInfo object to write data into |
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170 */ |
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171 TInt TDriverEventInfo::PopulateThreadSwExceptionInfo(TEventInfo& aEventInfo) const |
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172 { |
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173 aEventInfo.iThreadSwExceptionInfo.iCurrentPC = iCurrentPC; |
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174 aEventInfo.iThreadSwExceptionInfo.iExceptionNumber = (TExcType)iExceptionNumber; |
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175 |
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176 return KErrNone; |
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177 } |
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178 |
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179 /** |
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180 Write the event specific values for a thread exception event into TEventInfo |
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181 |
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182 @param aEventInfo TEventInfo object to write data into |
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183 */ |
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184 TInt TDriverEventInfo::PopulateThreadHwExceptionInfo(TEventInfo& aEventInfo) const |
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185 { |
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186 aEventInfo.iThreadHwExceptionInfo.iExceptionNumber = (TExcType)iExceptionNumber; |
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187 TInt ret = PopulateRmdArmExcInfo(aEventInfo); |
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188 return ret; |
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189 } |
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190 |
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191 /** |
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192 Write the event specific values for a thread panic event into TEventInfo |
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193 |
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194 @param aEventInfo TEventInfo object to write data into |
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195 */ |
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196 TInt TDriverEventInfo::PopulateThreadKillInfo(TEventInfo& aEventInfo) const |
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197 { |
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198 aEventInfo.iThreadKillInfo.iCurrentPC = iCurrentPC; |
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199 aEventInfo.iThreadKillInfo.iExitReason = iExceptionNumber; |
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200 aEventInfo.iThreadKillInfo.iExitType = iExitType; |
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201 aEventInfo.iThreadKillInfo.iPanicCategoryLength = iPanicCategory.Length(); |
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202 TPtr8 panicCategoryPtr(&(aEventInfo.iThreadKillInfo.iPanicCategory[0]), iPanicCategory.Length()); |
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203 panicCategoryPtr = iPanicCategory; |
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204 |
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205 return KErrNone; |
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206 } |
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207 |
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208 /** |
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209 Write the event specific values for a library loaded event into TEventInfo |
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210 |
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211 @param aEventInfo TEventInfo object to write data into |
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212 */ |
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213 TInt TDriverEventInfo::PopulateStartThreadInfo(TEventInfo& aEventInfo) const |
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214 { |
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215 aEventInfo.iStartThreadInfo.iFileNameLength = iFileName.Length(); |
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216 TPtr8 fileNamePtr(&(aEventInfo.iStartThreadInfo.iFileName[0]), iFileName.Length()); |
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217 fileNamePtr = iFileName; |
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218 |
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219 return KErrNone; |
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220 } |
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221 |
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222 /** |
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223 Write the event specific values for an AddProcess event into TEventInfo |
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224 |
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225 @param aEventInfo TEventInfo object to write data into |
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226 */ |
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227 TInt TDriverEventInfo::PopulateAddProcessInfo(TEventInfo& aEventInfo) const |
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228 { |
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229 aEventInfo.iAddProcessInfo.iFileNameLength = iFileName.Length(); |
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230 TPtr8 fileNamePtr(&(aEventInfo.iAddProcessInfo.iFileName[0]), iFileName.Length()); |
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231 fileNamePtr = iFileName; |
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232 |
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233 const TInt uid3offset = 2; |
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234 aEventInfo.iAddProcessInfo.iUid3 = iUids.iUid[uid3offset].iUid; |
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235 aEventInfo.iAddProcessInfo.iCreatorThreadId = iCreatorThreadId; |
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236 |
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237 return KErrNone; |
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238 } |
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239 |
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240 /** |
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241 Write the event specific values for a RemoveProcess event into TEventInfo |
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242 |
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243 @param aEventInfo TEventInfo object to write data into |
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244 */ |
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245 TInt TDriverEventInfo::PopulateRemoveProcessInfo(TEventInfo& aEventInfo) const |
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246 { |
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247 aEventInfo.iRemoveProcessInfo.iFileNameLength = iFileName.Length(); |
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248 TPtr8 fileNamePtr(&(aEventInfo.iRemoveProcessInfo.iFileName[0]), iFileName.Length()); |
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249 fileNamePtr = iFileName; |
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250 |
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251 return KErrNone; |
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252 } |
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253 |
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254 /** |
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255 Write the event specific values for a library loaded event into TEventInfo |
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256 |
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257 @param aEventInfo TEventInfo object to write data into |
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258 */ |
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259 TInt TDriverEventInfo::PopulateLibraryLoadedInfo(TEventInfo& aEventInfo) const |
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260 { |
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261 aEventInfo.iLibraryLoadedInfo.iCodeAddress = iCodeAddress; |
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262 aEventInfo.iLibraryLoadedInfo.iDataAddress = iDataAddress; |
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263 aEventInfo.iLibraryLoadedInfo.iFileNameLength = iFileName.Length(); |
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264 TPtr8 fileNamePtr(&(aEventInfo.iLibraryLoadedInfo.iFileName[0]), iFileName.Length()); |
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265 fileNamePtr = iFileName; |
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266 |
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267 return KErrNone; |
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268 } |
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269 |
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270 /** |
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271 Write the event specific values for a library unloaded event into TEventInfo |
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272 |
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273 @param aEventInfo TEventInfo object to write data into |
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274 */ |
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275 TInt TDriverEventInfo::PopulateLibraryUnloadedInfo(TEventInfo& aEventInfo) const |
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276 { |
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277 aEventInfo.iLibraryUnloadedInfo.iFileNameLength = iFileName.Length(); |
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278 TPtr8 fileNamePtr(&(aEventInfo.iLibraryUnloadedInfo.iFileName[0]), iFileName.Length()); |
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279 fileNamePtr = iFileName; |
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280 |
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281 return KErrNone; |
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282 } |
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283 |
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284 /** |
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285 Write the ArmExcInfo values into TEventInfo |
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286 |
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287 @param aEventInfo TEventInfo object to write data into |
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288 */ |
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289 TInt TDriverEventInfo::PopulateRmdArmExcInfo(TEventInfo& aEventInfo) const |
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290 { |
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291 switch(iEventType) |
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292 { |
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293 case EEventsProcessBreakPoint: |
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294 case EEventsBreakPoint: |
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295 aEventInfo.iThreadBreakPointInfo.iRmdArmExcInfo = iRmdArmExcInfo; |
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296 break; |
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297 case EEventsHwExc: |
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298 aEventInfo.iThreadHwExceptionInfo.iRmdArmExcInfo = iRmdArmExcInfo; |
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299 break; |
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300 } |
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301 |
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302 return KErrNone; |
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303 } |
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304 |
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305 /** |
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306 * Writes the user trace into TEventInfo |
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307 * |
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308 * @param aEventInfo TEventInfo object to write data into |
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309 */ |
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310 TInt TDriverEventInfo::PopulateUserTraceInfo(TEventInfo& aEventInfo) const |
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311 { |
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312 aEventInfo.iUserTraceInfo.iUserTraceLength = (TInt)iArg2; |
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313 |
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314 TPtr8 ptr(aEventInfo.iUserTraceInfo.iUserTraceText, (TInt)iArg2, TUserTraceSize ); |
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315 ptr.Copy(iUserTraceText, (TInt)iArg2); |
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316 |
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317 return KErrNone; |
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318 } |
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319 |
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320 TBool TDriverEventInfo::FreezeOnSuspend() const |
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321 { |
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322 switch(iEventType) |
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323 { |
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324 case EEventsHwExc: |
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325 case EEventsBreakPoint: |
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326 case EEventsProcessBreakPoint: |
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327 return ETrue; |
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328 case EEventsKillThread: |
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329 { |
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330 return (iExitType == EExitPanic); |
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331 } |
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332 } |
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333 return EFalse; |
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334 } |
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335 |
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336 TBool TDriverEventInfo::TookException() const |
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337 { |
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338 return iExitType == EExitPanic && |
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339 iExceptionNumber == ECausedException && |
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340 iPanicCategory == KLitKernExec; |
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341 } |
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342 |
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