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