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Rev | Author | Line No. | Line |
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3067 | leency | 1 | char a_libdir[43] = "/sys/lib/\0"; |
2 | |||
5576 | pavelyakov | 3 | :inline void error_init(dword text) |
4 | { |
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5 | dword l,ll; |
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6 | dword TEXT_ERROR = malloc(1024); |
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7 | #ifdef LANG_RUS |
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8 | strcpy(TEXT_ERROR,"'Ошибка при загрузке библиотеки `"); |
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9 | #elif LANG_EST |
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10 | strcpy(TEXT_ERROR,"'Viga teegi laadimisel `"); |
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11 | #else |
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12 | strcpy(TEXT_ERROR,"'Error while loading library `"); |
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13 | #endif |
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14 | ll = strlen(TEXT_ERROR); |
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15 | strcpy(TEXT_ERROR+ll,text); |
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16 | l = strlen(text); |
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17 | strncpy(TEXT_ERROR+ll+l,"`' -E",4); |
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18 | notify(TEXT_ERROR); |
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19 | free(TEXT_ERROR); |
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20 | ExitProcess(); |
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21 | } |
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22 | |||
4567 | hidnplayr | 23 | // stdcall with 1 parameter |
24 | void dll_Load() { |
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25 | asm { |
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26 | push ebp |
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27 | mov ebp, esp |
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28 | mov esi, SSDWORD[EBP+8] |
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5576 | pavelyakov | 29 | @next_lib: |
4567 | hidnplayr | 30 | mov edx, DSDWORD[ESI] |
31 | or edx, edx |
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32 | jz exit |
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33 | push esi |
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34 | mov esi, DSDWORD[ESI+4] |
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35 | mov edi, #a_libdir+9 |
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3067 | leency | 36 | |
4567 | hidnplayr | 37 | @loc01: |
38 | lodsb |
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39 | stosb |
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40 | or al, al |
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41 | jnz loc01 |
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3067 | leency | 42 | |
4567 | hidnplayr | 43 | mov eax, 68 |
44 | mov ebx, 19 |
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45 | mov ecx, #a_libdir |
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46 | int 0x40 |
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47 | or eax, eax |
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48 | jz fail |
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49 | |||
50 | push edx |
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51 | push eax |
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52 | call dll_Link |
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53 | |||
54 | push eax |
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55 | mov eax, DSDWORD[eax] |
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56 | cmp DSDWORD[EAX], '_bil' // somehow this needs to be reversed.. |
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57 | pop eax |
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58 | jnz loc02 |
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59 | |||
60 | push DSDWORD[EAX+4] |
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61 | call dll_Init |
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62 | @loc02: |
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63 | |||
64 | pop esi |
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65 | add esi, 8 |
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66 | jmp next_lib |
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67 | @exit: |
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68 | xor eax, eax |
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69 | leave |
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70 | ret 4 |
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71 | |||
72 | @fail: |
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73 | add esp, 4 |
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74 | xor eax, eax |
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75 | inc eax |
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76 | leave |
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77 | ret 4 |
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78 | } |
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3067 | leency | 79 | } |
80 | |||
4567 | hidnplayr | 81 | //stdcall with 2 parameters |
82 | void dll_Link() { |
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83 | asm { |
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84 | push ebp |
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85 | mov ebp, esp |
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86 | push eax |
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87 | mov esi, SSDWORD[EBP+12] |
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88 | test esi, esi |
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89 | jz done |
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90 | @next: |
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91 | lodsd |
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92 | test eax, eax |
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93 | jz done |
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94 | push eax |
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95 | push SSDWORD[EBP+8] |
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96 | call dll_GetProcAddress |
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97 | or eax, eax |
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98 | jz loc03 |
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99 | mov DSDWORD[esi-4], eax |
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100 | jmp next |
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101 | @loc03: |
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102 | mov SSDWORD[esp], 0 |
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103 | @done: |
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104 | pop eax |
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105 | leave |
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106 | ret 8 |
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107 | } |
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108 | } |
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3067 | leency | 109 | |
110 | |||
4567 | hidnplayr | 111 | //stdcall with 1 parameter |
112 | void dll_Init() { |
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113 | asm { |
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114 | push ebp |
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115 | mov ebp, esp |
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116 | pushad |
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117 | mov eax, #mem_Alloc |
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118 | mov ebx, #mem_Free; |
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119 | mov ecx, #mem_ReAlloc; |
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120 | mov edx, #dll_Load; |
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121 | call SSDWORD[EBP+8] |
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122 | popad |
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123 | leave |
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124 | ret 4 |
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125 | } |
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3067 | leency | 126 | } |
127 | |||
4567 | hidnplayr | 128 | |
129 | // stdcall with 2 parameters |
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130 | void dll_GetProcAddress(){ |
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131 | asm { |
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132 | push ebp |
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133 | mov ebp, esp |
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134 | mov edx, CSDWORD[EBP+8] |
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135 | xor eax, eax |
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136 | |||
137 | @next: |
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138 | or edx, edx |
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139 | jz end |
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140 | cmp CSDWORD[edx], 0 |
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141 | jz end |
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142 | |||
143 | push CSDWORD[EBP+12] |
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144 | push CSDWORD[EDX] |
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145 | call dll_StrCmp |
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146 | test eax, eax |
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147 | jz ok |
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148 | add edx, 8 |
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149 | jmp next |
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150 | @ok: |
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151 | mov eax, DSDWORD[EDX+4] |
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152 | @end: |
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153 | leave |
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154 | ret 8 |
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155 | } |
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3067 | leency | 156 | } |
157 | |||
4567 | hidnplayr | 158 | |
159 | // stdcall with 2 parameters |
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160 | void dll_StrCmp() { |
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161 | asm { |
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162 | push ebp |
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163 | mov ebp, esp |
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164 | push esi |
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165 | push edi |
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166 | mov esi, CSDWORD[EBP+8] |
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167 | mov edi, CSDWORD[EBP+12] |
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168 | xor eax, eax |
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169 | @label1: |
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170 | lodsb |
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171 | scasb |
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172 | jne fail |
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173 | or al, al |
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174 | jnz label1 |
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175 | jmp label_ok |
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176 | @fail: |
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177 | or eax, -1 |
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178 | @label_ok: |
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179 | pop edi |
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180 | pop esi |
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181 | leave |
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182 | ret 8 |
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183 | } |
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3067 | leency | 184 | } |
185 | |||
186 | int load_dll2(dword dllname, import_table, byte need_init) |
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187 | { |
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188 | //dword dllentry=0; |
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189 | // load DLL |
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190 | $mov eax, 68 |
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191 | $mov ebx, 19 |
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192 | ECX=dllname; |
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193 | $int 0x40 |
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194 | $test eax, eax |
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195 | $jz exit01 |
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196 | |||
197 | // initialize import |
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198 | $mov edx,eax |
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199 | ESI=import_table; |
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200 | |||
201 | @import_loop01: |
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202 | $lodsd |
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203 | $test eax,eax |
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204 | $jz import_done01 |
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205 | $push edx |
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206 | @import_find01: |
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207 | $mov ebx,DSDWORD[EDX] |
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208 | $test ebx, ebx |
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209 | $jz exit01 |
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210 | $push eax |
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211 | @nex101: |
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212 | $mov cl,DSBYTE[EAX]; |
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213 | $cmp cl,DSBYTE[EBX]; |
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214 | $jnz import_find_next01 |
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215 | $test cl,cl |
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216 | $jz import_found01 |
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217 | $inc eax |
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218 | $inc ebx |
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219 | $jmp nex101 |
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220 | @import_find_next01: |
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221 | $pop eax |
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222 | $add edx, 8 |
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223 | $jmp import_find01 |
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224 | @import_found01: |
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225 | $pop eax |
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226 | $mov eax,DSDWORD[edx+4] |
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227 | $mov DSDWORD[esi-4],eax |
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228 | $pop edx |
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229 | |||
230 | $jmp import_loop01 |
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231 | @import_done01: |
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4567 | hidnplayr | 232 | IF (need_init) dll_Init (DSDWORD[EDX+4]); |
3067 | leency | 233 | return 0; |
234 | @exit01: |
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235 | return -1; |
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5576 | pavelyakov | 236 | //error_init(dllname); |
4567 | hidnplayr | 237 | } |