Rev 7984 | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
5598 | pavelyakov | 1 | #ifndef INCLUDE_DLL_H |
2 | #define INCLUDE_DLL_H |
||
5676 | pavelyakov | 3 | #print "[include |
5598 | pavelyakov | 4 | |
5631 | pavelyakov | 5 | #ifndef INCLUDE_FILESYSTEM_H |
7219 | leency | 6 | #include "../lib/fs.h" |
5626 | leency | 7 | #endif |
8 | |||
5631 | pavelyakov | 9 | #ifdef LANG_RUS |
7768 | leency | 10 | #define _TEXT_ERROR_ADD "'Ошибка при загрузке библиотеки\n" |
5631 | pavelyakov | 11 | #elif LANG_EST |
7768 | leency | 12 | #define _TEXT_ERROR_ADD "'Viga teegi laadimisel\n" |
5631 | pavelyakov | 13 | #else |
7768 | leency | 14 | #define _TEXT_ERROR_ADD "'Error while loading library\n" |
5631 | pavelyakov | 15 | #endif |
5626 | leency | 16 | |
3067 | leency | 17 | char a_libdir[43] = "/sys/lib/\0"; |
18 | |||
4567 | hidnplayr | 19 | // stdcall with 1 parameter |
5883 | pavelyakov | 20 | :void dll_Load() { |
4567 | hidnplayr | 21 | asm { |
22 | push ebp |
||
23 | mov ebp, esp |
||
24 | mov esi, SSDWORD[EBP+8] |
||
5576 | pavelyakov | 25 | @next_lib: |
4567 | hidnplayr | 26 | mov edx, DSDWORD[ESI] |
27 | or edx, edx |
||
28 | jz exit |
||
29 | push esi |
||
30 | mov esi, DSDWORD[ESI+4] |
||
31 | mov edi, #a_libdir+9 |
||
3067 | leency | 32 | |
4567 | hidnplayr | 33 | @loc01: |
34 | lodsb |
||
35 | stosb |
||
36 | or al, al |
||
37 | jnz loc01 |
||
3067 | leency | 38 | |
4567 | hidnplayr | 39 | mov eax, 68 |
40 | mov ebx, 19 |
||
41 | mov ecx, #a_libdir |
||
42 | int 0x40 |
||
43 | or eax, eax |
||
44 | jz fail |
||
45 | |||
46 | push edx |
||
47 | push eax |
||
48 | call dll_Link |
||
49 | |||
50 | push eax |
||
51 | mov eax, DSDWORD[eax] |
||
52 | cmp DSDWORD[EAX], '_bil' // somehow this needs to be reversed.. |
||
53 | pop eax |
||
54 | jnz loc02 |
||
55 | |||
56 | push DSDWORD[EAX+4] |
||
57 | call dll_Init |
||
58 | @loc02: |
||
59 | |||
60 | pop esi |
||
61 | add esi, 8 |
||
62 | jmp next_lib |
||
63 | @exit: |
||
5598 | pavelyakov | 64 | xor eax, eax |
4567 | hidnplayr | 65 | leave |
66 | ret 4 |
||
67 | |||
68 | @fail: |
||
69 | add esp, 4 |
||
70 | xor eax, eax |
||
71 | inc eax |
||
72 | leave |
||
73 | ret 4 |
||
74 | } |
||
3067 | leency | 75 | } |
76 | |||
4567 | hidnplayr | 77 | //stdcall with 2 parameters |
5883 | pavelyakov | 78 | :void dll_Link() { |
4567 | hidnplayr | 79 | asm { |
80 | push ebp |
||
81 | mov ebp, esp |
||
82 | push eax |
||
83 | mov esi, SSDWORD[EBP+12] |
||
84 | test esi, esi |
||
85 | jz done |
||
86 | @next: |
||
87 | lodsd |
||
88 | test eax, eax |
||
89 | jz done |
||
90 | push eax |
||
91 | push SSDWORD[EBP+8] |
||
92 | call dll_GetProcAddress |
||
93 | or eax, eax |
||
94 | jz loc03 |
||
95 | mov DSDWORD[esi-4], eax |
||
96 | jmp next |
||
97 | @loc03: |
||
98 | mov SSDWORD[esp], 0 |
||
99 | @done: |
||
100 | pop eax |
||
101 | leave |
||
102 | ret 8 |
||
103 | } |
||
104 | } |
||
3067 | leency | 105 | |
106 | |||
4567 | hidnplayr | 107 | //stdcall with 1 parameter |
5883 | pavelyakov | 108 | :void dll_Init() { |
4567 | hidnplayr | 109 | asm { |
110 | push ebp |
||
111 | mov ebp, esp |
||
112 | pushad |
||
5631 | pavelyakov | 113 | mov eax, #malloc |
114 | mov ebx, #free; |
||
115 | mov ecx, #realloc; |
||
4567 | hidnplayr | 116 | mov edx, #dll_Load; |
117 | call SSDWORD[EBP+8] |
||
118 | popad |
||
119 | leave |
||
120 | ret 4 |
||
121 | } |
||
3067 | leency | 122 | } |
123 | |||
4567 | hidnplayr | 124 | |
125 | // stdcall with 2 parameters |
||
5883 | pavelyakov | 126 | :void dll_GetProcAddress(){ |
4567 | hidnplayr | 127 | asm { |
128 | push ebp |
||
129 | mov ebp, esp |
||
130 | mov edx, CSDWORD[EBP+8] |
||
131 | xor eax, eax |
||
132 | |||
133 | @next: |
||
134 | or edx, edx |
||
135 | jz end |
||
136 | cmp CSDWORD[edx], 0 |
||
137 | jz end |
||
138 | |||
139 | push CSDWORD[EBP+12] |
||
140 | push CSDWORD[EDX] |
||
141 | call dll_StrCmp |
||
142 | test eax, eax |
||
143 | jz ok |
||
144 | add edx, 8 |
||
145 | jmp next |
||
146 | @ok: |
||
147 | mov eax, DSDWORD[EDX+4] |
||
148 | @end: |
||
149 | leave |
||
150 | ret 8 |
||
151 | } |
||
3067 | leency | 152 | } |
153 | |||
4567 | hidnplayr | 154 | |
155 | // stdcall with 2 parameters |
||
5883 | pavelyakov | 156 | :void dll_StrCmp() { |
4567 | hidnplayr | 157 | asm { |
158 | push ebp |
||
159 | mov ebp, esp |
||
160 | push esi |
||
161 | push edi |
||
162 | mov esi, CSDWORD[EBP+8] |
||
163 | mov edi, CSDWORD[EBP+12] |
||
164 | xor eax, eax |
||
165 | @label1: |
||
166 | lodsb |
||
167 | scasb |
||
168 | jne fail |
||
169 | or al, al |
||
170 | jnz label1 |
||
171 | jmp label_ok |
||
172 | @fail: |
||
173 | or eax, -1 |
||
174 | @label_ok: |
||
175 | pop edi |
||
176 | pop esi |
||
177 | leave |
||
178 | ret 8 |
||
179 | } |
||
3067 | leency | 180 | } |
181 | |||
8490 | leency | 182 | :void load_dll(dword dllname, import_table, byte need_init) |
3067 | leency | 183 | { |
184 | // load DLL |
||
185 | $mov eax, 68 |
||
186 | $mov ebx, 19 |
||
187 | ECX=dllname; |
||
188 | $int 0x40 |
||
189 | $test eax, eax |
||
190 | $jz exit01 |
||
191 | |||
192 | // initialize import |
||
193 | $mov edx,eax |
||
194 | ESI=import_table; |
||
195 | |||
196 | @import_loop01: |
||
197 | $lodsd |
||
198 | $test eax,eax |
||
199 | $jz import_done01 |
||
200 | $push edx |
||
201 | @import_find01: |
||
202 | $mov ebx,DSDWORD[EDX] |
||
203 | $test ebx, ebx |
||
204 | $jz exit01 |
||
205 | $push eax |
||
206 | @nex101: |
||
207 | $mov cl,DSBYTE[EAX]; |
||
208 | $cmp cl,DSBYTE[EBX]; |
||
209 | $jnz import_find_next01 |
||
210 | $test cl,cl |
||
211 | $jz import_found01 |
||
212 | $inc eax |
||
213 | $inc ebx |
||
214 | $jmp nex101 |
||
215 | @import_find_next01: |
||
216 | $pop eax |
||
217 | $add edx, 8 |
||
218 | $jmp import_find01 |
||
219 | @import_found01: |
||
220 | $pop eax |
||
221 | $mov eax,DSDWORD[edx+4] |
||
222 | $mov DSDWORD[esi-4],eax |
||
223 | $pop edx |
||
224 | |||
225 | $jmp import_loop01 |
||
226 | @import_done01: |
||
7984 | leency | 227 | #ifndef NO_DLL_INIT |
4567 | hidnplayr | 228 | IF (need_init) dll_Init (DSDWORD[EDX+4]); |
7984 | leency | 229 | #endif |
8490 | leency | 230 | return; |
3067 | leency | 231 | @exit01: |
8490 | leency | 232 | error_init(dllname); |
5598 | pavelyakov | 233 | } |
234 | |||
8490 | leency | 235 | :inline void error_init(dword lirary_path) |
5626 | leency | 236 | { |
8490 | leency | 237 | char error_text[1024]; |
238 | strcpy(#error_text, _TEXT_ERROR_ADD); |
||
239 | strcat(#error_text, lirary_path); |
||
240 | strcat(#error_text, "' -E"); |
||
241 | notify(#error_text); |
||
5626 | leency | 242 | } |
5598 | pavelyakov | 243 | |
5626 | leency | 244 | |
5598 | pavelyakov | 245 | #endif |