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1 // Copyright (c) 1999-2009 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 // f32test\loader\dllt.cpp |
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15 // |
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16 // |
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17 |
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18 #include <e32svr.h> |
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19 #include "dllt.h" |
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20 #include <d_ldrtst.h> |
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21 |
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22 #ifdef __VC32__ |
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23 #pragma warning(disable:4706) |
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24 #endif |
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25 |
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26 extern "C" TInt _E32Dll(TInt); |
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27 |
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28 extern "C" __MODULE_EXPORT TInt INITFUNC(MDllList&); |
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29 extern "C" __MODULE_EXPORT TInt CHKCFUNC(); |
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30 extern "C" __MODULE_EXPORT TInt RBLKIFUNC(TInt, TInt); |
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31 |
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32 extern "C" __MODULE_IMPORT TInt BLKIFUNC(TInt); |
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33 |
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34 #ifdef __DLL_LINK_TO_EXE |
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35 extern "C" IMPORT_C void RegisterConstructorCall(TInt aDllNum); |
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36 extern "C" IMPORT_C void RegisterInitCall(TInt aDllNum); |
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37 extern "C" IMPORT_C void RegisterDestructorCall(TInt aDllNum); |
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38 #endif |
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39 |
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40 void GetDllInfo(SDllInfo& aInfo) |
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41 { |
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42 aInfo.iDllNum=DLLNUM; |
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43 aInfo.iEntryPointAddress=((TInt)&_E32Dll); |
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44 RLdrTest ldd; |
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45 ldd.Open(); |
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46 aInfo.iModuleHandle=ldd.ModuleHandleFromAddr((TInt)&_E32Dll); |
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47 ldd.Close(); |
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48 } |
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49 |
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50 #ifdef __MODULE_HAS_DATA |
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51 class TDllData |
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52 { |
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53 public: |
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54 TDllData(); |
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55 ~TDllData(); |
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56 public: |
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57 TTime iStartTime; |
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58 TTime iInitTime; |
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59 TInt iTest1; |
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60 TFileName iFileName; |
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61 RLibrary iLib; |
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62 }; |
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63 |
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64 class TDllData2 |
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65 { |
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66 public: |
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67 TDllData2(); |
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68 ~TDllData2(); |
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69 public: |
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70 TInt iTest2; |
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71 }; |
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72 |
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73 TInt Bss[16]; |
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74 TInt DllNum=DLLNUM; |
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75 TInt Generation=0; |
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76 TInt InitFlag=0; |
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77 TInt CDFlag=0; |
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78 TFullName StartThread=RThread().FullName(); |
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79 TName StartProcess=RProcess().Name(); |
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80 TDllData TheDllDataObject; |
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81 TDllData2 TheDllDataObject2; |
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82 |
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83 void AddToCDList() |
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84 { |
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85 MDllList* pM=(MDllList*)UserSvr::DllTls(TLS_INDEX); |
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86 if (pM) |
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87 { |
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88 SDllInfo di; |
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89 GetDllInfo(di); |
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90 pM->Add(di); |
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91 } |
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92 } |
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93 |
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94 TDllData::TDllData() |
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95 { |
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96 CDFlag|=1; |
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97 if (CDFlag==3) |
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98 AddToCDList(); |
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99 #ifndef __DLL_IN_CYCLE |
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100 TInt r; |
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101 CHKDEPS(r); // Check our dependencies are initialised |
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102 if (r!=KErrNone) |
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103 User::Panic(_L("CHKDEPS"),r); |
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104 #endif |
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105 iStartTime.HomeTime(); |
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106 iTest1=299792458; |
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107 Dll::FileName(iFileName); |
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108 #ifdef __DLL_LINK_TO_EXE |
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109 RegisterConstructorCall(DLLNUM); |
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110 #endif |
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111 } |
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112 |
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113 TDllData::~TDllData() |
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114 { |
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115 CDFlag|=4; |
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116 if (CDFlag==15) |
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117 AddToCDList(); |
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118 #ifdef __DLL_LINK_TO_EXE |
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119 RegisterDestructorCall(DLLNUM); |
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120 #endif |
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121 iLib.Close(); |
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122 } |
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123 |
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124 TDllData2::TDllData2() |
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125 { |
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126 CDFlag|=2; |
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127 if (CDFlag==3) |
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128 AddToCDList(); |
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129 iTest2=DLLNUM^0x3bb; |
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130 iTest2*=iTest2; |
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131 } |
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132 |
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133 TDllData2::~TDllData2() |
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134 { |
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135 CDFlag|=8; |
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136 if (CDFlag==15) |
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137 AddToCDList(); |
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138 } |
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139 #endif |
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140 |
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141 #ifdef __MODULE_HAS_DATA |
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142 void RecordInitCall() |
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143 { |
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144 TheDllDataObject.iInitTime.HomeTime(); |
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145 } |
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146 #endif |
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147 |
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148 extern "C" __MODULE_EXPORT TInt INITFUNC(MDllList& aList) |
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149 { |
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150 TInt r=KErrNone; |
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151 SDllInfo info; |
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152 GetDllInfo(info); |
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153 if (!aList.IsPresent(info)) |
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154 { |
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155 TInt pos=aList.Add(info); |
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156 INITDEPS(r,aList); // Call Init on our dependencies |
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157 aList.MoveToEnd(pos); |
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158 #ifdef __MODULE_HAS_DATA |
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159 if (r==KErrNone) |
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160 r=CHKCFUNC(); // Check initial values for .data/.bss and check constructors have been called |
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161 if (r==KErrNone) |
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162 RecordInitCall(); |
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163 #endif |
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164 #ifdef __DLL_LINK_TO_EXE |
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165 RegisterInitCall(DLLNUM); |
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166 #endif |
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167 } |
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168 return r; |
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169 } |
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170 |
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171 extern "C" __MODULE_EXPORT TInt CHKCFUNC() |
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172 { |
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173 #ifdef __MODULE_HAS_DATA |
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174 TInt i; |
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175 TInt x=0; |
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176 for (i=0; i<16; ++i) x|=Bss[i]; |
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177 if (x) |
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178 return 0x425353; |
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179 if (DllNum!=DLLNUM) |
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180 return 0x44415441; |
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181 if (TheDllDataObject.iTest1!=299792458) |
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182 return 0x54455354; |
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183 x=DLLNUM^0x3bb; |
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184 x*=x; |
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185 if (x!=TheDllDataObject2.iTest2) |
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186 return 0x54535432; |
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187 TInt init_mark=~((DLLNUM+DLLNUMOFFSET)*(DLLNUM+DLLNUMOFFSET)); |
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188 if (InitFlag==init_mark) |
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189 return KErrNone; |
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190 if (InitFlag!=0) |
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191 return 0x494e4946; |
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192 if (Generation!=0) |
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193 return 0x47454e; |
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194 if (StartProcess!=RProcess().Name()) |
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195 return 0x535450; |
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196 TFileName fn; |
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197 Dll::FileName(fn); |
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198 if (fn!=TheDllDataObject.iFileName) |
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199 return 0x464e414d; |
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200 InitFlag=init_mark; |
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201 RDebug::Print(_L("ChkC %S OK"),&fn); |
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202 #endif |
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203 return KErrNone; |
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204 } |
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205 |
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206 extern "C" __MODULE_EXPORT TInt GetGeneration() |
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207 { |
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208 #ifdef __MODULE_HAS_DATA |
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209 return Generation; |
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210 #else |
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211 return 0; |
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212 #endif |
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213 } |
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214 |
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215 extern "C" __MODULE_EXPORT TInt RBLKIFUNC(TInt aInput, TInt aGeneration) |
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216 { |
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217 (void)aGeneration; |
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218 #ifdef __MODULE_HAS_DATA |
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219 TInt r=aInput; |
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220 if (aGeneration!=Generation) |
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221 { |
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222 Generation=aGeneration; |
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223 r=BLKIFUNC(aInput); |
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224 RBLKIFUNC_DEPS(r,aGeneration); |
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225 } |
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226 return r; |
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227 #else |
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228 return aInput; |
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229 #endif |
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230 } |
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231 |
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232 extern "C" __MODULE_EXPORT void SetCloseLib(TInt aLibHandle) |
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233 { |
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234 (void)aLibHandle; |
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235 #ifdef __MODULE_HAS_DATA |
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236 TheDllDataObject.iLib.SetHandle(aLibHandle); |
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237 #endif |
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238 } |