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Rev | Author | Line No. | Line |
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6068 | serge | 1 | include '../proc32.inc' |
2 | |||
3 | format MS COFF |
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4 | |||
5 | public _load_libconsole |
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6 | |||
7 | public _con_init@20 |
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8 | public _con_exit@4 |
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9 | public _con_get_flags |
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10 | public _con_set_flags@4 |
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11 | public _con_cls |
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12 | public _con_write_string@8 |
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6536 | serge | 13 | public _con_getch2@0 |
6068 | serge | 14 | |
15 | section '.text' align 16 |
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16 | |||
17 | |||
18 | ;void* __fastcall getprocaddr(export, name) |
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19 | align 4 |
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20 | getprocaddress: |
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21 | push esi |
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22 | push edi |
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23 | |||
24 | xor eax, eax |
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25 | test ecx, ecx ; If hlib = 0 then goto .end |
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26 | jz .end |
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27 | .next: |
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28 | cmp [ecx], dword 0 ; If end of export table then goto .end |
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29 | jz .end |
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30 | |||
31 | xor eax, eax |
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32 | mov esi, [ecx] |
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33 | mov edi, edx ; name |
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34 | .next_: |
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35 | lodsb |
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36 | scasb |
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37 | jne .fail |
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38 | or al, al |
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39 | jnz .next_ |
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40 | jmp .ok |
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41 | .fail: |
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42 | add ecx, 8 |
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43 | jmp .next |
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44 | .ok: |
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45 | mov eax, [ecx + 4] ; return address |
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46 | .end: |
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47 | pop edi |
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48 | pop esi |
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49 | ret |
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50 | |||
51 | |||
52 | ;void fastcall dll_link(export, import) |
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53 | |||
54 | align 4 |
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55 | dll_link: |
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56 | push esi |
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57 | push ecx |
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58 | mov esi, edx |
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59 | test esi, esi |
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60 | jz .done |
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61 | .next: |
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62 | mov edx, [esi] |
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63 | test edx, edx |
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64 | jz .done |
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65 | mov ecx, [esp] |
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66 | call getprocaddress |
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67 | test eax, eax |
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68 | jz .done |
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69 | mov [esi], eax |
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70 | add esi, 4 |
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71 | jmp .next |
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72 | .done: |
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73 | pop ecx |
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74 | pop esi |
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75 | ret |
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76 | |||
77 | align 4 |
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78 | dll_load: |
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79 | push ebp |
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80 | push ebx |
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81 | push esi |
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82 | push edi |
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83 | |||
84 | mov ebp, [esp+20] |
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85 | .next_lib: |
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86 | mov edx, [ebp] |
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87 | test edx, edx |
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88 | jz .exit |
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89 | |||
90 | mov esi, [ebp+4] |
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91 | mov edi, s_libdir.fname |
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92 | @@: |
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93 | lodsb |
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94 | stosb |
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95 | test al, al |
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96 | jnz @b |
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97 | |||
98 | mov eax, 68 |
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99 | mov ebx, 19 |
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100 | mov ecx, s_libdir |
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101 | int 0x40 |
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102 | test eax, eax |
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103 | jz .fail |
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104 | |||
105 | mov ecx, eax |
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106 | call dll_link |
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107 | mov eax, [ecx] |
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108 | cmp dword[eax], 'lib_' |
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109 | jnz @f |
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110 | |||
111 | mov esi, [ecx+4] |
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112 | |||
113 | pushad |
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114 | mov eax, mem.Alloc |
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115 | mov ebx, mem.Free |
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116 | mov ecx, mem.ReAlloc |
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117 | mov edx, dll_load |
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118 | call esi |
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119 | popad |
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120 | @@: |
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121 | add ebp, 8 |
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122 | jmp .next_lib |
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123 | .exit: |
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124 | pop edi |
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125 | pop esi |
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126 | pop ebx |
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127 | pop ebp |
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128 | xor eax, eax |
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129 | ret 4 |
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130 | .fail: |
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131 | pop edi |
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132 | pop esi |
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133 | pop ebx |
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134 | pop ebp |
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135 | inc eax |
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136 | ret 4 |
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137 | |||
138 | align 4 |
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139 | _load_libconsole: |
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140 | push ebx |
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141 | mov eax, 40 |
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142 | mov ebx, 1 shl 8 |
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143 | int 0x40 |
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144 | pop ebx |
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145 | |||
146 | push @IMPORT |
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147 | call dll_load |
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148 | test eax, eax |
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149 | jnz .fail |
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150 | push 1 |
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151 | call [con_start] |
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152 | xor eax, eax |
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153 | .fail: |
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154 | ret |
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155 | |||
156 | align 4 |
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157 | _con_init@20: |
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158 | jmp [con_init] |
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159 | |||
160 | align 4 |
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161 | _con_exit@4: |
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162 | jmp [con_exit] |
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163 | |||
164 | align 4 |
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165 | _con_write_string@8: |
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166 | jmp [con_write_string] |
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167 | |||
6536 | serge | 168 | _con_getch2@0: |
169 | jmp [con_getch2] |
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170 | |||
6068 | serge | 171 | _con_get_flags: |
172 | _con_set_flags@4: |
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173 | _con_cls: |
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174 | ret |
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175 | |||
176 | |||
177 | proc mem.Alloc, size |
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178 | push ebx ecx |
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179 | mov ecx, [size] |
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180 | mov eax, 68 |
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181 | mov ebx, 12 |
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182 | int 0x40 |
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183 | pop ecx ebx |
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184 | ret |
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185 | endp |
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186 | ;----------------------------------------------------------------------------- |
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187 | proc mem.ReAlloc, mptr, size |
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188 | push ebx ecx edx |
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189 | mov ecx, [size] |
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190 | test ecx, ecx |
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191 | jz @f |
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192 | @@: |
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193 | mov edx, [mptr] |
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194 | test edx, edx |
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195 | jz @f |
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196 | @@: |
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197 | mov eax, 68 |
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198 | mov ebx, 20 |
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199 | int 0x40 |
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200 | test eax, eax |
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201 | jz @f |
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202 | @@: |
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203 | pop edx ecx ebx |
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204 | ret |
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205 | endp |
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206 | ;----------------------------------------------------------------------------- |
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207 | proc mem.Free, mptr |
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208 | push ebx ecx |
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209 | mov ecx,[mptr] |
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210 | test ecx,ecx |
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211 | jz @f |
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212 | @@: |
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213 | mov eax, 68 |
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214 | mov ebx, 13 |
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215 | int 0x40 |
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216 | pop ecx ebx |
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217 | ret |
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218 | endp |
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219 | |||
220 | ;section '.ctors' align 4 |
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221 | ;align 4 |
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222 | ;dd _load_libconsole |
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223 | |||
224 | section '.data' align 16 |
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225 | |||
226 | ; ------------------------- |
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227 | macro library [lname,fname] |
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228 | { |
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229 | forward |
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230 | dd __#lname#_library_table__,__#lname#_library_name__ |
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231 | common |
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232 | dd 0 |
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233 | forward |
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234 | align 4 |
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235 | __#lname#_library_name__ db fname,0 |
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236 | } |
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237 | |||
238 | macro import lname,[name,sname] |
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239 | { |
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240 | common |
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241 | align 4 |
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242 | __#lname#_library_table__: |
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243 | forward |
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244 | if used name |
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245 | name dd __#name#_import_name__ |
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246 | end if |
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247 | common |
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248 | dd 0 |
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249 | forward |
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250 | if used name |
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251 | align 4 |
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252 | __#name#_import_name__ db sname,0 |
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253 | end if |
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254 | } |
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255 | |||
256 | align 4 |
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257 | @IMPORT: |
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258 | |||
259 | library console, 'console.obj' |
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260 | |||
261 | import console, \ |
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262 | con_start, 'START', \ |
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263 | con_init, 'con_init', \ |
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264 | con_exit, 'con_exit', \ |
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265 | con_gets, 'con_gets', \ |
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266 | con_cls, 'con_cls', \ |
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267 | con_getch2, 'con_getch2', \ |
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268 | con_set_cursor_pos, 'con_set_cursor_pos',\ |
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269 | con_write_string, 'con_write_string',\ |
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270 | con_get_flags, 'con_get_flags', \ |
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271 | con_set_flags, 'con_set_flags' |
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272 | |||
273 | s_libdir: |
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274 | db '/sys/lib/' |
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275 | .fname rb 32 |