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1 // Copyright (c) 2006-2009 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 // Implements a debug thread for testing. |
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15 // |
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16 // |
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17 |
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18 #include <e32base.h> |
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19 #include <e32base_private.h> |
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20 #include <e32cons.h> |
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21 #include <e32debug.h> |
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22 #include "d_rmdebugthread2.h" |
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23 |
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24 #include "d_rmdebug_step_test.h" |
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25 #include "d_demand_paging.h" |
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26 |
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27 EXPORT_C TBuf8<SYMBIAN_RMDBG_MEMORYSIZE> gMemoryAccessBytes; |
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28 IMPORT_C extern void RMDebug_BranchTst1(); |
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29 IMPORT_C extern TInt RMDebugDemandPagingTest(); |
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30 |
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31 EXPORT_C TInt TestData; |
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32 EXPORT_C TTestFunction FunctionChooser; |
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33 |
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34 const TInt KNumberOfTraceCalls = 50; |
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35 |
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36 EXPORT_C TInt TestFunction() |
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37 { |
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38 // Set TestData to an arbitrary value that can be checked by a tester |
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39 TestData = 0xffeeddcc; |
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40 RMDebug_BranchTst1(); |
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41 |
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42 // Code here may not be executed because tests can change the PC value |
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43 // at any time, typically once the test passes |
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44 return 0; |
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45 } |
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46 |
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47 /** |
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48 Wrapper around RMDebugDemandPagingTest, need to pause for a short time to |
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49 allow time in t_rmdebug.cpp to issue a User::WaitForRequest to catch the break point |
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50 */ |
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51 EXPORT_C void TestPagedCode() |
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52 { |
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53 User::After(100000); |
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54 |
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55 // call the function in paged code |
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56 RMDebugDemandPagingTest(); |
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57 } |
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58 |
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59 EXPORT_C void TestMultipleTraceCalls() |
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60 { |
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61 //arbitrary function to set a BP on |
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62 RMDebug_BranchTst1(); |
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63 |
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64 // The tester will change FunctionChooser once it gets what it needs out of the test |
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65 for(TInt cnt = KNumberOfTraceCalls; cnt>0 && (FunctionChooser==EMultipleTraceCalls); cnt--) |
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66 { |
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67 RDebug::Printf("T"); |
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68 RDebug::Printf("R"); |
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69 RDebug::Printf("A"); |
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70 RDebug::Printf("C"); |
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71 RDebug::Printf("E"); |
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72 } |
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73 |
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74 //another arbitrary function to set a BP on |
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75 RMDebug_StepTest_Non_PC_Modifying(); |
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76 } |
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77 |
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78 CDebugServThread::CDebugServThread() |
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79 // |
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80 // Empty constructor |
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81 // |
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82 { |
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83 } |
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84 |
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85 GLDEF_C TInt CDebugServThread::ThreadFunction(TAny*) |
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86 // |
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87 // Generic thread function for testing |
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88 // |
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89 { |
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90 // set FunctionChooser to run the default function |
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91 FunctionChooser = EDefaultFunction; |
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92 |
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93 CTrapCleanup* cleanup=CTrapCleanup::New(); |
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94 if (cleanup == NULL) |
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95 { |
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96 User::Leave(KErrNoMemory); |
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97 } |
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98 |
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99 RThread::Rendezvous(KErrNone); |
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100 |
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101 TestData = 1; |
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102 |
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103 /* Beware of adding printf or other debug-generating events in this loop because |
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104 * they interfere with the tests |
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105 */ |
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106 while(TestData != 0xFFFFFFFF) |
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107 { |
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108 switch(FunctionChooser) |
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109 { |
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110 case EDemandPagingFunction: |
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111 TestPagedCode(); |
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112 break; |
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113 case EDefaultFunction: |
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114 // the default function is the stepping test functions |
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115 case EStepFunction: |
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116 { |
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117 RMDebug_BranchTst1(); |
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118 |
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119 // Single stepping test support code |
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120 |
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121 // ARM tests |
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122 RMDebug_StepTest_Non_PC_Modifying(); |
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123 |
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124 RMDebug_StepTest_Branch(); |
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125 |
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126 RMDebug_StepTest_Branch_And_Link(); |
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127 |
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128 RMDebug_StepTest_MOV_PC(); |
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129 |
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130 RMDebug_StepTest_LDR_PC(); |
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131 |
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132 // thumb/interworking tests not supported on armv4 |
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133 #ifdef __MARM_ARMV5__ |
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134 |
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135 // Thumb tests |
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136 RMDebug_StepTest_Thumb_Non_PC_Modifying(); |
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137 |
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138 RMDebug_StepTest_Thumb_Branch(); |
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139 |
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140 RMDebug_StepTest_Thumb_Branch_And_Link(); |
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141 |
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142 RMDebug_StepTest_Thumb_Back_Branch_And_Link(); |
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143 |
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144 // ARM <-> Thumb interworking tests |
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145 RMDebug_StepTest_Interwork(); |
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146 |
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147 RMDebug_StepTest_Thumb_AddPC(); |
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148 |
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149 #endif // __MARM_ARMV5__ |
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150 |
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151 // Single-stepping performance |
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152 RMDebug_StepTest_Count(); |
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153 |
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154 // multiple step test |
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155 RMDebug_StepTest_ARM_Step_Multiple(); |
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156 |
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157 TestData++; |
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158 |
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159 // Wait 50mSecs. // (suspends this thread) |
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160 User::After(50000); |
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161 |
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162 break; |
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163 } |
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164 case EMultipleTraceCalls: |
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165 TestMultipleTraceCalls(); |
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166 break; |
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167 default: |
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168 //do nothing |
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169 break; |
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170 } |
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171 } |
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172 |
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173 delete cleanup; |
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174 |
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175 return (KErrNone); |
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176 } |
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177 |
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178 EXPORT_C TInt StartDebugThread(RThread& aDebugThread, const TDesC& aDebugThreadName) |
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179 // |
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180 // Starts a test thread |
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181 // |
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182 { |
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183 TInt res=KErrNone; |
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184 |
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185 // Create the thread |
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186 res = aDebugThread.Create( aDebugThreadName, |
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187 CDebugServThread::ThreadFunction, |
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188 KDefaultStackSize, |
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189 KDebugThreadDefaultHeapSize, |
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190 KDebugThreadDefaultHeapSize, |
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191 NULL |
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192 ); |
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193 |
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194 // Check that the creation worked |
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195 if (res == KErrNone) |
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196 { |
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197 TRequestStatus rendezvousStatus; |
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198 |
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199 aDebugThread.SetPriority(EPriorityNormal); |
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200 // Make a request for a rendezvous |
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201 aDebugThread.Rendezvous(rendezvousStatus); |
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202 // Set the thread as ready for execution |
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203 aDebugThread.Resume(); |
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204 // Wait for the resumption |
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205 User::WaitForRequest(rendezvousStatus); |
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206 } |
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207 else |
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208 { |
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209 // Close the handle. |
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210 aDebugThread.Close(); |
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211 } |
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212 |
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213 return res; |
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214 } |