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3374 | IgorA | 1 | ;13.03.2013 - use @notify |
2 | ;08.06.2010 - new macros @use_library_mem |
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3 | ;08.05.2009 - bugfix |
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1108 | Lrz | 4 | ;14.04.2009 - a macros for code load library the box_lib.obj from '/sys/lib/' or current dirrectory. |
5 | ; The macros for load any library/libraries: |
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6 | ; Copyright (c) 2009, |
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7 | ; All rights reserved. |
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8 | ; |
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9 | ; Redistribution and use in source and binary forms, with or without |
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10 | ; modification, are permitted provided that the following conditions are met: |
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11 | ; * Redistributions of source code must retain the above copyright |
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12 | ; notice, this list of conditions and the following disclaimer. |
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13 | ; * Redistributions in binary form must reproduce the above copyright |
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14 | ; notice, this list of conditions and the following disclaimer in the |
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15 | ; documentation and/or other materials provided with the distribution. |
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16 | ; * Neither the name of the |
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17 | ; names of its contributors may be used to endorse or promote products |
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18 | ; derived from this software without specific prior written permission. |
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19 | ; |
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20 | ; THIS SOFTWARE IS PROVIDED BY Alexey Teplov aka |
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21 | ; EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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22 | ; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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23 | ; DISCLAIMED. IN NO EVENT SHALL |
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24 | ; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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25 | ; (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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26 | ; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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27 | ; ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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28 | ; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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29 | ; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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30 | ;***************************************************************************** |
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31 | ; This macros based on source code: |
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3374 | IgorA | 32 | ; |
33 | ; Mario79, Mario - Marat Zakiyanov / Марат Закиянов |
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34 | ; Diamondz - Evgeny Grechnikov / Евгений Гречников |
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1108 | Lrz | 35 | ;------------------------ |
36 | ; DESCRIPTION |
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37 | ; Macro load_library |
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38 | ; Logick of work. |
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39 | ; A first time we must to check system path, where I belive find a system library. System path is "/sys/lib/". |
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40 | ; If I cannot found my library, i must to check second way. Second way is current dirrectory. |
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41 | ; If we cannot load library, we must show the error message: |
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42 | ; "I'm sorry,the programm cannot found system library box_lib.obj." |
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43 | ; "The find was make on 2 ways: /sys/lib/ and current dirrectory." |
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44 | ; |
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45 | ; |
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46 | ;--------------------------------------------------------------------- |
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47 | ; Macro sys_load_library |
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48 | ; A first time we must to check own path in current dirrectory the program, where I belive find a system library. |
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49 | ; If I cannot found my library, i must to check second way. Second way is system path a "/sys/lib/". |
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50 | ; If we cannot load library, we must show the error message: |
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51 | ; "I'm sorry,the programm cannot found system library box_lib.obj." |
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52 | ; "The find was make on 2 ways: /sys/lib/ and current dirrectory." |
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53 | ; |
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54 | ;--------------------------------------------------------------------- |
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55 | ; How can I use it? |
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56 | ;--------------------------------------------------------------------- |
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57 | ;-Example using single load library |
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58 | ;-universal load library/librarys |
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1127 | Lrz | 59 | ;load_library library_name__, cur_dir_path__, library_path__, system_path__, \ |
60 | ;err_message_found_lib__, head_f_l__, myimport, err_message_import__, head_f_i__ |
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1108 | Lrz | 61 | ;-if return code =-1 then exit, else normally work |
62 | ; cmp eax,-1 |
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63 | ; jz exit |
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64 | ;- Well, if you get |
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65 | ; |
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66 | ;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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3374 | IgorA | 67 | ;DATA данные |
68 | ;Всегда соблюдать последовательность в имени. |
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1127 | Lrz | 69 | ;system_path__ db '/sys/lib/' |
70 | ;library_name__ db 'box_lib.obj',0 |
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3374 | IgorA | 71 | ; Если есть желание разъединить, то нужно использовать следующию конструкцию |
1127 | Lrz | 72 | ;system_path__ db '/sys/lib/box_lib.obj',0 |
3374 | IgorA | 73 | ;... любая последовательность других команд и определений. |
1127 | Lrz | 74 | ;library_name__ db 'box_lib.obj',0 |
1108 | Lrz | 75 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
76 | |||
1127 | Lrz | 77 | ;err_message_found_lib__ db 'Sorry I cannot found library box_lib.obj',0 |
78 | ;head_f_i__: |
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79 | ;head_f_l__ db 'System error',0 |
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80 | ;err_message_import__ db 'Error on load import library box_lib.obj',0 |
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1108 | Lrz | 81 | |
82 | ;myimport: |
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83 | ; |
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84 | ;edit_box_draw dd aEdit_box_draw |
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85 | ;edit_box_key dd aEdit_box_key |
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86 | ;edit_box_mouse dd aEdit_box_mouse |
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87 | ;version_ed dd aVersion_ed |
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88 | ; |
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89 | ;check_box_draw dd aCheck_box_draw |
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90 | ;check_box_mouse dd aCheck_box_mouse |
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91 | ;version_ch dd aVersion_ch |
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92 | ; |
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93 | ;option_box_draw dd aOption_box_draw |
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94 | ;option_box_mouse dd aOption_box_mouse |
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95 | ;version_op dd aVersion_op |
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96 | |||
97 | ; dd 0 |
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98 | ; dd 0 |
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99 | ; |
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100 | ;aEdit_box_draw db 'edit_box',0 |
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101 | ;aEdit_box_key db 'edit_box_key',0 |
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102 | ;aEdit_box_mouse db 'edit_box_mouse',0 |
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103 | ;aVersion_ed db 'version_ed',0 |
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104 | |||
105 | ;aCheck_box_draw db 'check_box_draw',0 |
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106 | ;aCheck_box_mouse db 'check_box_mouse',0 |
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107 | ;aVersion_ch db 'version_ch',0 |
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108 | |||
109 | ;aOption_box_draw db 'option_box_draw',0 |
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110 | ;aOption_box_mouse db 'option_box_mouse',0 |
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111 | ;aVersion_op db 'version_op',0 |
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112 | |||
113 | ;--------------------------------------------------------------------- |
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114 | macro @use_library |
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115 | { |
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1127 | Lrz | 116 | local lp1 |
4987 | IgorA | 117 | local lp2 |
118 | local lp3 |
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119 | local lp4 |
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6245 | IgorA | 120 | local lp5 |
121 | local lp6 |
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3374 | IgorA | 122 | local file_name |
1488 | IgorA | 123 | |
3374 | IgorA | 124 | library_fun_memory_alloc equ 0 ;не использовать в макросах проверку на функции 'lib_init' |
1108 | Lrz | 125 | |
126 | align 4 |
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3374 | IgorA | 127 | arrea_xx dd 0 |
128 | file_name db '/rd/1/@notify',0 |
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1127 | Lrz | 129 | |
130 | align 4 |
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3374 | IgorA | 131 | run_notify_struct: |
132 | .Function dd 7 |
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133 | .Position dd 0 |
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134 | .Flags dd ? |
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135 | .Count dd 0 |
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136 | .Buffer dd 0 |
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137 | db 0 |
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138 | .FileName dd file_name |
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1108 | Lrz | 139 | ;--------------------------------------------------------------------- |
140 | |||
1204 | Lrz | 141 | @library_name equ dword [esp+16] |
142 | @cur_dir_path equ dword [esp+12] |
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143 | @library_path equ dword [esp+8] |
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144 | @point_dir_name equ dword [esp+4] |
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145 | |||
1108 | Lrz | 146 | align 4 |
147 | @copy_path: |
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5881 | IgorA | 148 | mov esi,@cur_dir_path |
149 | mov edi,@library_path |
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150 | xor eax,eax |
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151 | cld |
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1204 | Lrz | 152 | align 4 |
1108 | Lrz | 153 | .lp1: |
5881 | IgorA | 154 | lodsb |
155 | stosb |
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156 | test eax,eax |
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157 | jnz .lp1 |
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158 | mov esi,edi |
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159 | dec esi ;переход на символ конца строки @cur_dir_path |
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160 | std |
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1204 | Lrz | 161 | align 4 |
1108 | Lrz | 162 | .lp2: |
5881 | IgorA | 163 | lodsb |
164 | cmp al,'/' |
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165 | jnz .lp2 |
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166 | mov edi,esi |
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167 | add edi,2 |
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168 | cld |
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169 | mov esi,@point_dir_name |
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170 | test esi,esi |
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1204 | Lrz | 171 | jz .str_lp4 |
1108 | Lrz | 172 | |
6245 | IgorA | 173 | ;проверка относительных путей c двумя точками '../' |
174 | cmp word[esi],'..' |
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175 | jne .lp3 |
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176 | dec edi ;для перехода на '/' |
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177 | .lp6: |
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178 | add esi,3 ;пропускаем одно поднятие '../' |
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179 | .lp5: |
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180 | dec edi ;идем по папкам |
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181 | cmp byte[edi],'/' |
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182 | jnz .lp5 |
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183 | cmp word[esi],'..' |
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184 | je .lp6 |
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185 | inc edi ;для перехода на '/' |
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186 | |||
187 | ;копирование относительного пути |
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1204 | Lrz | 188 | align 4 |
1108 | Lrz | 189 | .lp3: |
5881 | IgorA | 190 | lodsb |
191 | stosb |
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192 | test eax,eax |
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193 | jnz .lp3 |
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194 | dec edi |
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1204 | Lrz | 195 | .str_lp4: |
196 | mov esi,@library_name |
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197 | align 4 |
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198 | .lp4: |
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5881 | IgorA | 199 | lodsb |
200 | stosb |
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201 | test eax,eax |
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202 | jnz .lp4 |
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6245 | IgorA | 203 | ;--------------------------------------------------------------------- |
5881 | IgorA | 204 | ret |
1108 | Lrz | 205 | } |
206 | |||
207 | |||
208 | |||
1488 | IgorA | 209 | macro @use_library_mem mem_alloc,mem_free,mem_realloc,dll_load |
210 | { |
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211 | @use_library |
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212 | library_fun_memory_alloc equ mem_alloc |
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213 | library_fun_memory_free equ mem_free |
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214 | library_fun_memory_realloc equ mem_realloc |
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215 | library_fun_dll_load equ dll_load |
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216 | } |
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217 | |||
218 | |||
1204 | Lrz | 219 | macro sys_load_library library_name__, cur_dir_path__, library_path__, system_path__, err_message_found_lib__, head_f_l__, myimport, err_message_import__, head_f_i__,point_dir_name__ |
1108 | Lrz | 220 | { |
221 | local end_steep |
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222 | local exit |
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223 | ;--------------------------------------------------------------------- |
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224 | ; loading Box_Lib library |
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225 | |||
1127 | Lrz | 226 | mcall 68,19,system_path__ ; load of sys directory |
1108 | Lrz | 227 | test eax,eax |
228 | jnz end_steep |
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229 | |||
1204 | Lrz | 230 | if point_dir_name__ eq |
231 | copy_path library_name__, cur_dir_path__, library_path__,0x0 |
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232 | else |
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233 | copy_path library_name__, cur_dir_path__, library_path__,point_dir_name__ ;the macros making way /current pach a program/+ name system library |
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234 | end if |
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1108 | Lrz | 235 | |
1127 | Lrz | 236 | mcall 68,19,library_path__ ; load of alternative |
1108 | Lrz | 237 | test eax,eax |
238 | jnz end_steep |
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1127 | Lrz | 239 | show_error_window err_message_found_lib__, head_f_l__ ;show error message /create window |
1108 | Lrz | 240 | jmp exit |
241 | |||
242 | |||
243 | align 4 |
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244 | end_steep: |
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245 | |||
1127 | Lrz | 246 | import_boxlib myimport, err_message_import__, head_f_i__ ;import |
1108 | Lrz | 247 | exit: |
1127 | Lrz | 248 | test eax,eax |
249 | jz @f |
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250 | |||
3374 | IgorA | 251 | notify_window_run [arrea_xx] ; создаем окно @notify |
1127 | Lrz | 252 | or eax,-1 |
253 | @@: |
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254 | |||
1108 | Lrz | 255 | ;--------------------------------------------------------------------- |
256 | } |
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257 | |||
258 | |||
1204 | Lrz | 259 | macro load_library library_name__, cur_dir_path__, library_path__, system_path__, err_message_found_lib__, head_f_l__, myimport, err_message_import__, head_f_i__,point_dir_name__ |
1108 | Lrz | 260 | { |
261 | local end_steep |
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262 | local exit |
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263 | ;--------------------------------------------------------------------- |
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264 | ; loading Box_Lib library |
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265 | |||
1204 | Lrz | 266 | if point_dir_name__ eq |
267 | copy_path library_name__, cur_dir_path__, library_path__,0x0 |
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268 | else |
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269 | copy_path library_name__, cur_dir_path__, library_path__,point_dir_name__ ;the macros making way /current pach a program/+ name system library |
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270 | end if |
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1108 | Lrz | 271 | |
1127 | Lrz | 272 | mcall 68,19,library_path__ ; load of alternative |
1108 | Lrz | 273 | test eax,eax |
274 | jnz end_steep |
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275 | |||
1127 | Lrz | 276 | mcall 68,19,system_path__ ; load of sys directory |
1108 | Lrz | 277 | test eax,eax |
278 | jnz end_steep |
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279 | |||
1127 | Lrz | 280 | show_error_window err_message_found_lib__, head_f_l__ ;show error message /create window |
1108 | Lrz | 281 | jmp exit |
282 | |||
283 | align 4 |
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284 | end_steep: |
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285 | |||
1127 | Lrz | 286 | import_boxlib myimport, err_message_import__, head_f_i__ ;import |
1108 | Lrz | 287 | exit: |
1127 | Lrz | 288 | test eax,eax |
289 | jz @f |
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290 | |||
3374 | IgorA | 291 | notify_window_run [arrea_xx] ; создаем окно @notify |
1127 | Lrz | 292 | or eax,-1 |
293 | @@: |
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294 | |||
1108 | Lrz | 295 | ;--------------------------------------------------------------------- |
296 | } |
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297 | macro sys_load_libraries _start,_end |
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298 | { |
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1127 | Lrz | 299 | local exit_lp2 |
300 | local lp2 |
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1108 | Lrz | 301 | local lp |
302 | local end_steep |
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303 | local next |
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304 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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1127 | Lrz | 305 | library_name__ equ [ebp] |
306 | cur_dir_path__ equ [ebp+4] |
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307 | library_path__ equ [ebp+8] |
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308 | system_path__ equ [ebp+12] |
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309 | err_message_found_lib__ equ [ebp+16] |
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310 | head_f_l__ equ [ebp+20] |
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1204 | Lrz | 311 | my_import equ [ebp+24] |
1127 | Lrz | 312 | err_message_import__ equ [ebp+28] |
313 | head_f_i__ equ [ebp+32] |
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1204 | Lrz | 314 | point_dir_name__ equ [ebp+36] |
315 | adr_load_lib equ dword [ebp+40] |
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316 | status_lib equ dword [ebp+44] |
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1108 | Lrz | 317 | |
318 | mov ebp,_start |
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319 | mov ecx,((_end-_start)/ll_struc_size) |
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320 | |||
321 | align 4 |
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322 | lp: push ecx |
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1127 | Lrz | 323 | mcall 68,19,system_path__ ; load of sys directory |
1108 | Lrz | 324 | test eax,eax |
325 | jnz end_steep |
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326 | |||
1204 | Lrz | 327 | copy_path library_name__, cur_dir_path__, library_path__,point_dir_name__ ;the macros making way /current pach a program/+ name system library |
1108 | Lrz | 328 | |
1127 | Lrz | 329 | mcall 68,19,library_path__ ; load of alternative |
1108 | Lrz | 330 | test eax,eax |
331 | jnz end_steep |
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332 | |||
333 | or status_lib,0x1 ; status of code - enable error - not found library |
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334 | |||
1204 | Lrz | 335 | show_error_window err_message_found_lib__, head_f_l__, ;show error message /create window |
1108 | Lrz | 336 | jmp next |
337 | |||
338 | align 4 |
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339 | end_steep: |
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340 | mov adr_load_lib,eax ;save adr lib in memory |
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1127 | Lrz | 341 | import_boxlib my_import, err_message_import__, head_f_i__ ;import |
1108 | Lrz | 342 | |
343 | test eax,eax |
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344 | jz next |
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345 | |||
346 | or status_lib,0x2 ; status of code - enable error - import error |
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347 | |||
348 | next: |
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349 | pop ecx |
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350 | add ebp,ll_struc_size |
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351 | dec ecx |
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352 | jnz lp |
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1127 | Lrz | 353 | |
354 | ;---------------------------------- |
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355 | mov ebp,_start |
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356 | mov ecx,((_end-_start)/ll_struc_size) |
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357 | |||
358 | align 4 |
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359 | lp2: |
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360 | mov eax,status_lib |
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361 | test eax,eax |
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362 | jz @f |
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363 | |||
3374 | IgorA | 364 | notify_window_run [arrea_xx] ; создаем окно @notify |
1127 | Lrz | 365 | or eax,-1 |
366 | jmp exit_lp2 |
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367 | |||
368 | @@: |
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369 | add ebp,ll_struc_size |
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370 | dec ecx |
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371 | jnz lp2 |
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372 | exit_lp2: |
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1108 | Lrz | 373 | } |
374 | |||
375 | macro load_libraries _start,_end |
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376 | { |
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1127 | Lrz | 377 | local lp2 |
378 | local exit_lp2 |
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1108 | Lrz | 379 | local lp |
380 | local end_steep |
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381 | local next |
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382 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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1127 | Lrz | 383 | library_name__ equ [ebp] |
384 | cur_dir_path__ equ [ebp+4] |
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385 | library_path__ equ [ebp+8] |
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386 | system_path__ equ [ebp+12] |
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387 | err_message_found_lib__ equ [ebp+16] |
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388 | head_f_l__ equ [ebp+20] |
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1204 | Lrz | 389 | my_import equ [ebp+24] |
1127 | Lrz | 390 | err_message_import__ equ [ebp+28] |
391 | head_f_i__ equ [ebp+32] |
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1204 | Lrz | 392 | point_dir_name__ equ [ebp+36] |
393 | adr_load_lib equ dword [ebp+40] |
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394 | status_lib equ dword [ebp+44] |
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1108 | Lrz | 395 | |
396 | mov ebp,_start |
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397 | mov ecx,((_end-_start)/ll_struc_size) |
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398 | |||
399 | align 4 |
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400 | lp: push ecx |
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401 | |||
1204 | Lrz | 402 | copy_path library_name__, cur_dir_path__, library_path__,point_dir_name__ ;the macros making way /current pach a program/+ name system library |
1108 | Lrz | 403 | |
1127 | Lrz | 404 | mcall 68,19,library_path__ ; load of alternative |
1108 | Lrz | 405 | test eax,eax |
406 | jnz end_steep |
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407 | |||
1127 | Lrz | 408 | mcall 68,19,system_path__ ; load of sys directory |
1108 | Lrz | 409 | test eax,eax |
410 | jnz end_steep |
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411 | |||
412 | or status_lib,0x1 ; status of code - enable error - not found library |
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413 | |||
1127 | Lrz | 414 | show_error_window err_message_found_lib__, head_f_l__ ;show error message /create window |
1108 | Lrz | 415 | jmp next |
416 | |||
417 | align 4 |
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418 | end_steep: |
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419 | mov adr_load_lib,eax ;save adr lib in memory |
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420 | |||
1127 | Lrz | 421 | import_boxlib my_import, err_message_import__, head_f_i__ ;import |
1108 | Lrz | 422 | |
423 | test eax,eax |
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424 | jz next |
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425 | |||
426 | or status_lib,0x2 ; status of code - enable error - import error |
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427 | |||
428 | next: |
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429 | pop ecx |
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430 | add ebp,ll_struc_size |
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431 | dec ecx |
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432 | jnz lp |
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1127 | Lrz | 433 | |
434 | ;----------------------------------------------- |
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435 | mov ebp,_start |
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436 | mov ecx,((_end-_start)/ll_struc_size) |
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437 | |||
438 | align 4 |
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439 | lp2: |
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440 | mov eax,status_lib |
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441 | test eax,eax |
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442 | jz @f |
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443 | |||
3374 | IgorA | 444 | notify_window_run [arrea_xx] ; создаем окно @notify |
1127 | Lrz | 445 | or eax,-1 |
446 | jmp exit_lp2 |
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447 | |||
448 | @@: |
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449 | add ebp,ll_struc_size |
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450 | dec ecx |
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451 | jnz lp2 |
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452 | exit_lp2: |
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453 | |||
1108 | Lrz | 454 | } |
455 | |||
456 | |||
1204 | Lrz | 457 | macro copy_path lib_name,dir_path,lib_path,point_dir_name |
1108 | Lrz | 458 | { |
6245 | IgorA | 459 | pushad ;save all registers |
460 | push dword lib_name |
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461 | push dword dir_path |
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462 | push dword lib_path |
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463 | push dword point_dir_name |
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464 | call @copy_path |
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1108 | Lrz | 465 | |
6245 | IgorA | 466 | add esp,16 |
467 | ;notify_window_run lib_path ;unblok for test load path |
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468 | popad ;restore all registers |
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1108 | Lrz | 469 | } |
470 | |||
3374 | IgorA | 471 | ; готовим текст для показа через @notify: |
472 | ; 1) выделяем память в [arrea_xx] |
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473 | ; 2) копируем err_message и head в [arrea_xx] |
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1108 | Lrz | 474 | macro show_error_window err_message, head |
3374 | IgorA | 475 | { |
476 | local lp0 |
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477 | local lp1 |
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1108 | Lrz | 478 | |
3374 | IgorA | 479 | pushad |
480 | mcall 68,11 |
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481 | mcall 68,12,4096 |
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482 | push eax |
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483 | pop dword [arrea_xx] |
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1108 | Lrz | 484 | |
3374 | IgorA | 485 | mov edi,eax |
486 | mov esi,dword head |
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487 | cld |
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488 | align 4 |
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489 | lp0: |
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490 | movsb |
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491 | cmp byte[esi],0 |
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492 | jne lp0 |
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493 | mov word[edi],'. ' |
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494 | add edi,2 |
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495 | mov esi,dword err_message |
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496 | align 4 |
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497 | lp1: |
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498 | movsb |
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499 | cmp byte[esi],0 |
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500 | jne lp1 |
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501 | mov byte[edi],0 |
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502 | popad |
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503 | or eax,-1 ;увы |
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1108 | Lrz | 504 | } |
505 | |||
3374 | IgorA | 506 | ; включаем показ сообщения через @notify: |
507 | macro notify_window_run message |
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508 | { |
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509 | push eax ebx |
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510 | mov eax,message ;параметры для командной строки |
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511 | mov [run_notify_struct.Flags], eax |
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512 | mov eax,70 ;run @notify |
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513 | mov ebx,run_notify_struct |
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514 | int 0x40 |
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515 | pop ebx eax |
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516 | } |
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1108 | Lrz | 517 | |
3374 | IgorA | 518 | |
519 | ;входные параметры: |
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520 | ;eax - адрес библиотеки в памяти |
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521 | ;myimport - импортируемые функции |
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1127 | Lrz | 522 | macro import_boxlib myimport, err_message_import__, head_f_i__ |
1108 | Lrz | 523 | { |
524 | local import_loop |
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525 | local import_find |
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526 | local lp |
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527 | local import_find_next |
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528 | local import_found |
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529 | local import_done |
||
530 | local exit |
||
531 | local e.exit |
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532 | local import_not_found |
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533 | ; initialize import |
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534 | |||
535 | mov edx, eax |
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536 | mov esi,myimport |
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537 | import_loop: |
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3374 | IgorA | 538 | lodsd ;mov eax,dword[esi] ;add esi,4 ;получаем в eax указатель на имя импортируемой функции |
1108 | Lrz | 539 | test eax, eax |
3374 | IgorA | 540 | jz import_done ;если указатель на имя функции = 0 (в пользовательской программе) |
541 | push edx ;сохраняем начало библиотечных указателей на функции |
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1108 | Lrz | 542 | import_find: |
543 | mov ebx, [ds:edx] |
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544 | test ebx, ebx |
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3374 | IgorA | 545 | jz import_not_found ;если указатель на имя функции = 0 (в библиотеке) |
546 | push eax ;eax - указатель на имя экспортируемой функции (в пользовательской программе) |
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1108 | Lrz | 547 | lp: |
548 | mov cl, [ds:eax] |
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3374 | IgorA | 549 | cmp cl, [ds:ebx] ;сравниваем имена функций в библиотеке и в пользовательской программе |
550 | jnz import_find_next ;если названия не совпали |
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1108 | Lrz | 551 | test cl, cl |
3374 | IgorA | 552 | jz import_found ;если названия совпали, и уже конец строки (cl=0) |
1108 | Lrz | 553 | inc eax |
554 | inc ebx |
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555 | jmp lp |
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556 | import_find_next: |
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557 | pop eax |
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3374 | IgorA | 558 | add edx, 8 ;8 = 4 байта указатель на название и 4 байта указатель на функцию |
1108 | Lrz | 559 | jmp import_find |
560 | import_found: |
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3374 | IgorA | 561 | pop ebx ;востанавливаем указатель на имя функции (который был в eax) и освобождаем стек |
562 | mov eax, [ds:edx+4] ;eax = указатель на функцию (в библиотеке) |
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563 | mov [esi-4], eax ;копируем указатель (на функцию) в программу, -4 ставим потому что esi было сдвинуто командой lodsd |
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564 | pop edx ;устанавливаем edx на начало библиотечных функций |
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565 | ;--- проверяем совпадает ли имя экспортированной функции с 'lib_init' |
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1488 | IgorA | 566 | if library_fun_memory_alloc eq 0 |
567 | else |
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568 | cmp dword[ebx],'lib_' |
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569 | jne import_loop |
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570 | cmp dword[ebx+4],'init' |
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571 | jne import_loop |
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3374 | IgorA | 572 | ;--- если имя функции совпало с 'lib_init' попадаем сюда |
573 | ;подключение функций для работы с памятью |
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1488 | IgorA | 574 | ;push eax |
575 | ;call dll.Init |
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576 | pushad |
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577 | mov esi,eax |
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578 | mov eax,library_fun_memory_alloc |
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579 | mov ebx,library_fun_memory_free |
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580 | mov ecx,library_fun_memory_realloc |
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581 | mov edx,library_fun_dll_load |
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582 | call dword esi |
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583 | popad |
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584 | end if |
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1108 | Lrz | 585 | jmp import_loop |
586 | import_not_found: |
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587 | add esp,4 |
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1127 | Lrz | 588 | show_error_window err_message_import__, head_f_i__ ;show error message /create window |
1108 | Lrz | 589 | jmp e.exit |
590 | import_done: |
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3374 | IgorA | 591 | xor eax,eax ;=0 все загрузилось удачно |
1108 | Lrz | 592 | e.exit: |
593 | ;--------------------------------------------------------------------- |
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594 | } |
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1204 | Lrz | 595 | ll_struc_size = 48;($-library_name__) ; constant size of struct |
596 | struc l_libs library_name__, cur_dir_path__, library_path__, system_path__, err_message_found_lib__, head_f_l__, my_import, err_message_import__, head_f_i__,point_dir_name; struct for loading libraries |
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1108 | Lrz | 597 | { |
3374 | IgorA | 598 | .library_name__ dd library_name__ ; имя загружаемой библиотеки |
599 | .cur_dir_path__ dd cur_dir_path__ ; указатель на буфер в котором содержиться путь от куда была запущена программа |
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1127 | Lrz | 600 | |
3374 | IgorA | 601 | .library_path__ dd library_path__ ; указатель на буфер в котором будет софоримирован путь к библиотеки, если нужно вычислить путь до либы с места запуска программы, обычно нужно, в случаях, если либа расположена в той же папке |
602 | .complete_path dd system_path__ ; путь который четко содержит путь |
||
1127 | Lrz | 603 | |
604 | .err_message_found_lib__ dd err_message_found_lib__ |
||
605 | .head_f_l__ dd head_f_l__ |
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1204 | Lrz | 606 | .my_import dd my_import |
1127 | Lrz | 607 | .err_message_import__ dd err_message_import__ |
608 | .head_f_i__ dd head_f_i__ |
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1204 | Lrz | 609 | if point_dir_name eq |
610 | .point_dir_name__ dd 0x0 |
||
611 | else |
||
3374 | IgorA | 612 | .point_dir_name__ dd point_dir_name ; имя вложенной дирректории в кторой храняться подгружаемые модули. |
1204 | Lrz | 613 | end if |
1127 | Lrz | 614 | .adr_load_lib dd 0x0 |
615 | .status_lib dd 0x0 ;status of load library |
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1108 | Lrz | 616 | ; |
617 | } |