Details | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
205 | heavyiron | 1 | |
31 | halyavin | 2 | ; Copyright (c) 1999-2011, Tomasz Grysztar. |
2287 | heavyiron | 3 | ; All rights reserved. |
31 | halyavin | 4 | |
5 | |||
6 | mov [current_offset],edi |
||
992 | heavyiron | 7 | cmp [output_file],0 |
157 | heavyiron | 8 | jne output_path_ok |
9 | mov esi,[input_file] |
||
10 | mov edi,[free_additional_memory] |
||
11 | copy_output_path: |
||
31 | halyavin | 12 | lods byte [esi] |
157 | heavyiron | 13 | cmp edi,[structures_buffer] |
14 | jae out_of_memory |
||
15 | stos byte [edi] |
||
16 | or al,al |
||
17 | jnz copy_output_path |
||
18 | dec edi |
||
19 | mov eax,edi |
||
20 | find_extension: |
||
31 | halyavin | 21 | dec eax |
157 | heavyiron | 22 | cmp eax,[free_additional_memory] |
23 | jb extension_found |
||
24 | cmp byte [eax],'\' |
||
25 | je extension_found |
||
26 | cmp byte [eax],'/' |
||
27 | je extension_found |
||
28 | cmp byte [eax],'.' |
||
29 | jne find_extension |
||
30 | mov edi,eax |
||
31 | extension_found: |
||
31 | halyavin | 32 | lea eax,[edi+9] |
157 | heavyiron | 33 | cmp eax,[structures_buffer] |
34 | jae out_of_memory |
||
35 | cmp [file_extension],0 |
||
607 | heavyiron | 36 | jne extension_specified |
37 | cmp [output_format],2 |
||
157 | heavyiron | 38 | je exe_extension |
39 | jb bin_extension |
||
40 | cmp [output_format],4 |
||
41 | je obj_extension |
||
42 | cmp [output_format],5 |
||
43 | je o_extension |
||
44 | cmp [output_format],3 |
||
45 | jne no_extension |
||
46 | cmp [subsystem],1 |
||
47 | je sys_extension |
||
48 | cmp [subsystem],10 |
||
1054 | heavyiron | 49 | jae efi_extension |
50 | bt [format_flags],8 |
||
157 | heavyiron | 51 | jnc exe_extension |
52 | mov eax,'.dll' |
||
53 | jmp make_extension |
||
54 | sys_extension: |
||
31 | halyavin | 55 | mov eax,'.sys' |
157 | heavyiron | 56 | jmp make_extension |
57 | efi_extension: |
||
1054 | heavyiron | 58 | mov eax,'.efi' |
59 | jmp make_extension |
||
60 | bin_extension: |
||
31 | halyavin | 61 | mov eax,'.bin' |
157 | heavyiron | 62 | bt [format_flags],0 |
63 | jnc make_extension |
||
64 | mov eax,'.com' |
||
65 | jmp make_extension |
||
66 | obj_extension: |
||
31 | halyavin | 67 | mov eax,'.obj' |
157 | heavyiron | 68 | jmp make_extension |
69 | o_extension: |
||
31 | halyavin | 70 | mov eax,'.o' |
157 | heavyiron | 71 | bt [format_flags],0 |
72 | jnc make_extension |
||
73 | no_extension: |
||
31 | halyavin | 74 | xor eax,eax |
157 | heavyiron | 75 | jmp make_extension |
76 | exe_extension: |
||
31 | halyavin | 77 | mov eax,'.exe' |
157 | heavyiron | 78 | make_extension: |
31 | halyavin | 79 | xchg eax,[edi] |
157 | heavyiron | 80 | scas dword [edi] |
81 | mov byte [edi],0 |
||
82 | scas byte [edi] |
||
83 | mov esi,edi |
||
84 | stos dword [edi] |
||
85 | sub edi,9 |
||
86 | xor eax,eax |
||
87 | mov ebx,characters |
||
88 | adapt_case: |
||
31 | halyavin | 89 | mov al,[esi] |
157 | heavyiron | 90 | or al,al |
91 | jz adapt_next |
||
92 | xlat byte [ebx] |
||
93 | cmp al,[esi] |
||
94 | je adapt_ok |
||
95 | sub byte [edi],20h |
||
96 | adapt_ok: |
||
31 | halyavin | 97 | inc esi |
157 | heavyiron | 98 | adapt_next: |
31 | halyavin | 99 | inc edi |
157 | heavyiron | 100 | cmp byte [edi],0 |
101 | jne adapt_case |
||
102 | jmp extension_ok |
||
607 | heavyiron | 103 | extension_specified: |
104 | mov al,'.' |
||
105 | stos byte [edi] |
||
106 | mov esi,[file_extension] |
||
107 | copy_extension: |
||
108 | lods byte [esi] |
||
109 | stos byte [edi] |
||
110 | test al,al |
||
111 | jnz copy_extension |
||
112 | dec edi |
||
113 | extension_ok: |
||
114 | mov esi,edi |
||
157 | heavyiron | 115 | lea ecx,[esi+1] |
116 | sub ecx,[free_additional_memory] |
||
117 | mov edi,[structures_buffer] |
||
118 | dec edi |
||
119 | std |
||
120 | rep movs byte [edi],[esi] |
||
121 | cld |
||
122 | inc edi |
||
123 | mov [structures_buffer],edi |
||
124 | mov [output_file],edi |
||
125 | output_path_ok: |
||
31 | halyavin | 126 | cmp [symbols_file],0 |
992 | heavyiron | 127 | je labels_table_ok |
128 | mov ecx,[memory_end] |
||
129 | sub ecx,[labels_list] |
||
130 | mov edi,[display_buffer] |
||
131 | sub edi,8 |
||
132 | mov [edi],ecx |
||
133 | or dword [edi+4],-1 |
||
134 | sub edi,ecx |
||
135 | cmp edi,[current_offset] |
||
1189 | heavyiron | 136 | jbe out_of_memory |
992 | heavyiron | 137 | mov [display_buffer],edi |
138 | mov esi,[memory_end] |
||
139 | copy_labels: |
||
140 | sub esi,32 |
||
141 | cmp esi,[labels_list] |
||
142 | jb labels_table_ok |
||
143 | mov ecx,32 shr 2 |
||
144 | rep movs dword [edi],[esi] |
||
145 | sub esi,32 |
||
146 | jmp copy_labels |
||
147 | labels_table_ok: |
||
148 | mov edi,[current_offset] |
||
149 | cmp [output_format],4 |
||
157 | heavyiron | 150 | je coff_formatter |
151 | cmp [output_format],5 |
||
152 | jne common_formatter |
||
153 | bt [format_flags],0 |
||
154 | jnc elf_formatter |
||
155 | common_formatter: |
||
31 | halyavin | 156 | mov eax,edi |
157 | heavyiron | 157 | sub eax,[code_start] |
158 | mov [real_code_size],eax |
||
159 | cmp edi,[undefined_data_end] |
||
160 | jne calculate_code_size |
||
161 | mov edi,[undefined_data_start] |
||
162 | calculate_code_size: |
||
31 | halyavin | 163 | mov [current_offset],edi |
992 | heavyiron | 164 | sub edi,[code_start] |
157 | heavyiron | 165 | mov [code_size],edi |
166 | mov [written_size],0 |
||
167 | mov edx,[output_file] |
||
168 | call create |
||
169 | jc write_failed |
||
170 | cmp [output_format],3 |
||
171 | jne stub_written |
||
172 | mov edx,[code_start] |
||
173 | mov ecx,[stub_size] |
||
174 | sub edx,ecx |
||
175 | add [written_size],ecx |
||
176 | call write |
||
177 | stub_written: |
||
31 | halyavin | 178 | cmp [output_format],2 |
157 | heavyiron | 179 | jne write_output |
180 | call write_mz_header |
||
181 | write_output: |
||
31 | halyavin | 182 | call write_code |
157 | heavyiron | 183 | output_written: |
31 | halyavin | 184 | call close |
157 | heavyiron | 185 | cmp [symbols_file],0 |
992 | heavyiron | 186 | jne dump_symbols |
187 | ret |
||
157 | heavyiron | 188 | write_code: |
31 | halyavin | 189 | mov eax,[written_size] |
157 | heavyiron | 190 | mov [headers_size],eax |
191 | mov edx,[code_start] |
||
192 | mov ecx,[code_size] |
||
193 | add [written_size],ecx |
||
194 | lea eax,[edx+ecx] |
||
992 | heavyiron | 195 | call write |
157 | heavyiron | 196 | jc write_failed |
197 | ret |
||
198 | format_directive: |
||
31 | halyavin | 199 | cmp edi,[code_start] |
157 | heavyiron | 200 | jne unexpected_instruction |
201 | cmp [virtual_data],0 |
||
202 | jne unexpected_instruction |
||
203 | cmp [output_format],0 |
||
204 | jne unexpected_instruction |
||
205 | lods byte [esi] |
||
206 | cmp al,1Ch |
||
2287 | heavyiron | 207 | je format_prefix |
157 | heavyiron | 208 | cmp al,18h |
209 | jne invalid_argument |
||
210 | lods byte [esi] |
||
211 | select_format: |
||
31 | halyavin | 212 | mov dl,al |
157 | heavyiron | 213 | shr al,4 |
214 | mov [output_format],al |
||
215 | and edx,0Fh |
||
216 | or [format_flags],edx |
||
217 | cmp al,2 |
||
218 | je format_mz |
||
219 | cmp al,3 |
||
220 | je format_pe |
||
221 | cmp al,4 |
||
222 | je format_coff |
||
223 | cmp al,5 |
||
224 | je format_elf |
||
225 | format_defined: |
||
607 | heavyiron | 226 | cmp byte [esi],86h |
227 | jne instruction_assembled |
||
228 | cmp word [esi+1],'(' |
||
229 | jne invalid_argument |
||
230 | mov eax,[esi+3] |
||
231 | add esi,3+4 |
||
232 | mov [file_extension],esi |
||
233 | lea esi,[esi+eax+1] |
||
234 | jmp instruction_assembled |
||
157 | heavyiron | 235 | format_prefix: |
31 | halyavin | 236 | lods byte [esi] |
157 | heavyiron | 237 | mov ah,al |
238 | lods byte [esi] |
||
239 | cmp al,18h |
||
240 | jne invalid_argument |
||
241 | lods byte [esi] |
||
242 | mov edx,eax |
||
243 | shr dl,4 |
||
244 | shr dh,4 |
||
245 | cmp dl,dh |
||
246 | jne invalid_argument |
||
247 | or al,ah |
||
248 | jmp select_format |
||
249 | entry_directive: |
||
31 | halyavin | 250 | bts [format_flags],10h |
157 | heavyiron | 251 | jc setting_already_specified |
252 | mov al,[output_format] |
||
253 | cmp al,2 |
||
254 | je mz_entry |
||
255 | cmp al,3 |
||
256 | je pe_entry |
||
257 | cmp al,5 |
||
258 | jne illegal_instruction |
||
259 | bt [format_flags],0 |
||
260 | jc elf_entry |
||
261 | jmp illegal_instruction |
||
262 | stack_directive: |
||
31 | halyavin | 263 | bts [format_flags],11h |
157 | heavyiron | 264 | jc setting_already_specified |
265 | mov al,[output_format] |
||
266 | cmp al,2 |
||
267 | je mz_stack |
||
268 | cmp al,3 |
||
269 | je pe_stack |
||
270 | jmp illegal_instruction |
||
271 | heap_directive: |
||
31 | halyavin | 272 | bts [format_flags],12h |
157 | heavyiron | 273 | jc setting_already_specified |
274 | mov al,[output_format] |
||
275 | cmp al,2 |
||
276 | je mz_heap |
||
277 | cmp al,3 |
||
278 | je pe_heap |
||
279 | jmp illegal_instruction |
||
280 | segment_directive: |
||
109 | heavyiron | 281 | cmp [virtual_data],0 |
157 | heavyiron | 282 | jne illegal_instruction |
283 | mov al,[output_format] |
||
284 | cmp al,2 |
||
285 | je mz_segment |
||
286 | cmp al,5 |
||
287 | je elf_segment |
||
288 | jmp illegal_instruction |
||
289 | section_directive: |
||
31 | halyavin | 290 | cmp [virtual_data],0 |
157 | heavyiron | 291 | jne illegal_instruction |
292 | mov al,[output_format] |
||
293 | cmp al,3 |
||
294 | je pe_section |
||
295 | cmp al,4 |
||
296 | je coff_section |
||
297 | cmp al,5 |
||
298 | je elf_section |
||
299 | jmp illegal_instruction |
||
300 | public_directive: |
||
31 | halyavin | 301 | mov al,[output_format] |
157 | heavyiron | 302 | cmp al,4 |
303 | je public_allowed |
||
304 | cmp al,5 |
||
305 | jne illegal_instruction |
||
306 | bt [format_flags],0 |
||
307 | jc illegal_instruction |
||
308 | public_allowed: |
||
31 | halyavin | 309 | mov [base_code],0C0h |
624 | heavyiron | 310 | lods byte [esi] |
157 | heavyiron | 311 | cmp al,2 |
312 | je public_label |
||
624 | heavyiron | 313 | cmp al,1Dh |
314 | jne invalid_argument |
||
157 | heavyiron | 315 | lods byte [esi] |
624 | heavyiron | 316 | and al,7 |
317 | add [base_code],al |
||
318 | lods byte [esi] |
||
319 | cmp al,2 |
||
320 | jne invalid_argument |
||
321 | public_label: |
||
322 | lods dword [esi] |
||
157 | heavyiron | 323 | cmp eax,0Fh |
324 | jb invalid_use_of_symbol |
||
325 | je reserved_word_used_as_symbol |
||
326 | mov dx,[current_pass] |
||
327 | mov [eax+18],dx |
||
328 | or byte [eax+8],8 |
||
329 | inc esi |
||
330 | mov ebx,[free_additional_memory] |
||
331 | lea edx,[ebx+10h] |
||
332 | cmp edx,[structures_buffer] |
||
333 | jae out_of_memory |
||
334 | mov [free_additional_memory],edx |
||
335 | mov [ebx+8],eax |
||
336 | mov eax,[current_line] |
||
337 | mov [ebx+0Ch],eax |
||
338 | lods byte [esi] |
||
339 | cmp al,86h |
||
340 | jne invalid_argument |
||
341 | lods word [esi] |
||
342 | cmp ax,'(' |
||
343 | jne invalid_argument |
||
344 | mov [ebx+4],esi |
||
345 | lods dword [esi] |
||
346 | lea esi,[esi+eax+1] |
||
347 | mov al,[base_code] |
||
624 | heavyiron | 348 | mov [ebx],al |
349 | jmp instruction_assembled |
||
157 | heavyiron | 350 | extrn_directive: |
31 | halyavin | 351 | mov al,[output_format] |
157 | heavyiron | 352 | cmp al,4 |
353 | je extrn_allowed |
||
354 | cmp al,5 |
||
355 | jne illegal_instruction |
||
356 | bt [format_flags],0 |
||
357 | jc illegal_instruction |
||
358 | extrn_allowed: |
||
31 | halyavin | 359 | lods word [esi] |
157 | heavyiron | 360 | cmp ax,'(' |
361 | jne invalid_argument |
||
362 | mov ebx,esi |
||
363 | lods dword [esi] |
||
364 | lea esi,[esi+eax+1] |
||
365 | mov edx,[free_additional_memory] |
||
366 | lea eax,[edx+0Ch] |
||
367 | cmp eax,[structures_buffer] |
||
368 | jae out_of_memory |
||
369 | mov [free_additional_memory],eax |
||
370 | mov byte [edx],80h |
||
624 | heavyiron | 371 | mov [edx+4],ebx |
157 | heavyiron | 372 | lods byte [esi] |
373 | cmp al,86h |
||
374 | jne invalid_argument |
||
375 | lods byte [esi] |
||
376 | cmp al,2 |
||
377 | jne invalid_argument |
||
378 | lods dword [esi] |
||
379 | cmp eax,0Fh |
||
380 | jb invalid_use_of_symbol |
||
381 | je reserved_word_used_as_symbol |
||
382 | inc esi |
||
383 | mov ebx,eax |
||
384 | xor ah,ah |
||
385 | lods byte [esi] |
||
386 | cmp al,':' |
||
387 | je get_extrn_size |
||
388 | dec esi |
||
389 | cmp al,11h |
||
390 | jne extrn_size_ok |
||
391 | get_extrn_size: |
||
31 | halyavin | 392 | lods word [esi] |
157 | heavyiron | 393 | cmp al,11h |
394 | jne invalid_argument |
||
395 | extrn_size_ok: |
||
31 | halyavin | 396 | mov [address_symbol],edx |
157 | heavyiron | 397 | movzx ecx,ah |
398 | mov [edx+8],ecx |
||
399 | xor eax,eax |
||
400 | xor edx,edx |
||
401 | xor ebp,ebp |
||
402 | mov ch,2 |
||
403 | test [format_flags],8 |
||
404 | jz make_free_label |
||
405 | mov ch,4 |
||
406 | jmp make_free_label |
||
407 | mark_relocation: |
||
31 | halyavin | 408 | cmp [value_type],0 |
157 | heavyiron | 409 | je relocation_ok |
410 | cmp [virtual_data],0 |
||
411 | jne relocation_ok |
||
412 | cmp [output_format],2 |
||
413 | je mark_mz_relocation |
||
414 | cmp [output_format],3 |
||
415 | je mark_pe_relocation |
||
416 | cmp [output_format],4 |
||
417 | je mark_coff_relocation |
||
418 | cmp [output_format],5 |
||
419 | je mark_elf_relocation |
||
420 | relocation_ok: |
||
31 | halyavin | 421 | ret |
157 | heavyiron | 422 | close_pass: |
31 | halyavin | 423 | mov al,[output_format] |
157 | heavyiron | 424 | cmp al,3 |
425 | je close_pe |
||
426 | cmp al,4 |
||
427 | je close_coff |
||
428 | cmp al,5 |
||
429 | je close_elf |
||
430 | ret |
||
431 | |||
31 | halyavin | 432 | |
433 | mov edx,[additional_memory] |
||
157 | heavyiron | 434 | push edi |
435 | mov edi,edx |
||
436 | mov ecx,1Ch shr 2 |
||
437 | xor eax,eax |
||
438 | rep stos dword [edi] |
||
439 | mov [free_additional_memory],edi |
||
440 | pop edi |
||
441 | mov word [edx+0Ch],0FFFFh |
||
442 | mov word [edx+10h],1000h |
||
443 | mov [code_type],16 |
||
444 | jmp format_defined |
||
607 | heavyiron | 445 | mark_mz_relocation: |
31 | halyavin | 446 | push eax ebx |
157 | heavyiron | 447 | inc [number_of_relocations] |
448 | mov ebx,[free_additional_memory] |
||
449 | mov eax,edi |
||
450 | sub eax,[code_start] |
||
451 | mov [ebx],ax |
||
452 | shr eax,16 |
||
453 | shl ax,12 |
||
454 | mov [ebx+2],ax |
||
455 | cmp word [ebx],0FFFFh |
||
456 | jne mz_relocation_ok |
||
457 | inc word [ebx+2] |
||
458 | sub word [ebx],10h |
||
459 | mz_relocation_ok: |
||
31 | halyavin | 460 | add ebx,4 |
157 | heavyiron | 461 | cmp ebx,[structures_buffer] |
462 | jae out_of_memory |
||
463 | mov [free_additional_memory],ebx |
||
464 | pop ebx eax |
||
465 | ret |
||
466 | mz_segment: |
||
109 | heavyiron | 467 | lods byte [esi] |
157 | heavyiron | 468 | cmp al,2 |
469 | jne invalid_argument |
||
470 | lods dword [esi] |
||
471 | cmp eax,0Fh |
||
472 | jb invalid_use_of_symbol |
||
473 | je reserved_word_used_as_symbol |
||
474 | inc esi |
||
475 | mov ebx,eax |
||
476 | mov eax,edi |
||
477 | sub eax,[code_start] |
||
478 | mov ecx,0Fh |
||
479 | add eax,0Fh |
||
480 | and eax,1111b |
||
481 | sub ecx,eax |
||
482 | mov edx,edi |
||
483 | xor eax,eax |
||
1115 | heavyiron | 484 | rep stos byte [edi] |
157 | heavyiron | 485 | mov dword [org_origin],edi |
486 | mov dword [org_origin+4],eax |
||
1115 | heavyiron | 487 | mov [org_registers],eax |
488 | mov [org_start],edi |
||
157 | heavyiron | 489 | mov eax,edx |
490 | call undefined_data |
||
491 | mov eax,edi |
||
492 | sub eax,[code_start] |
||
493 | shr eax,4 |
||
494 | cmp eax,10000h |
||
495 | jae value_out_of_range |
||
496 | mov edx,eax |
||
497 | mov al,16 |
||
498 | cmp byte [esi],13h |
||
499 | jne segment_type_ok |
||
500 | inc esi |
||
501 | lods byte [esi] |
||
502 | segment_type_ok: |
||
31 | halyavin | 503 | mov [code_type],al |
157 | heavyiron | 504 | mov eax,edx |
505 | mov cx,0100h |
||
506 | xor edx,edx |
||
507 | xor ebp,ebp |
||
508 | mov [address_symbol],edx |
||
509 | jmp make_free_label |
||
510 | mz_entry: |
||
31 | halyavin | 511 | lods byte [esi] |
157 | heavyiron | 512 | cmp al,'(' |
513 | jne invalid_argument |
||
514 | call get_word_value |
||
515 | cmp [value_type],1 |
||
516 | je initial_cs_ok |
||
517 | cmp [error_line],0 |
||
518 | jne initial_cs_ok |
||
519 | mov eax,[current_line] |
||
520 | mov [error_line],eax |
||
521 | mov [error],invalid_address |
||
522 | initial_cs_ok: |
||
31 | halyavin | 523 | mov edx,[additional_memory] |
157 | heavyiron | 524 | mov [edx+16h],ax |
525 | lods byte [esi] |
||
526 | cmp al,':' |
||
527 | jne invalid_argument |
||
528 | lods byte [esi] |
||
529 | cmp al,'(' |
||
530 | jne invalid_argument |
||
531 | ja invalid_address |
||
532 | call get_word_value |
||
533 | cmp [value_type],0 |
||
534 | jne invalid_use_of_symbol |
||
535 | mov edx,[additional_memory] |
||
536 | mov [edx+14h],ax |
||
537 | jmp instruction_assembled |
||
538 | mz_stack: |
||
31 | halyavin | 539 | lods byte [esi] |
157 | heavyiron | 540 | cmp al,'(' |
541 | jne invalid_argument |
||
542 | call get_word_value |
||
543 | cmp byte [esi],':' |
||
544 | je stack_pointer |
||
545 | cmp ax,10h |
||
546 | jb invalid_value |
||
547 | cmp [value_type],0 |
||
548 | jne invalid_use_of_symbol |
||
549 | mov edx,[additional_memory] |
||
550 | mov [edx+10h],ax |
||
551 | jmp instruction_assembled |
||
552 | stack_pointer: |
||
31 | halyavin | 553 | cmp [value_type],1 |
157 | heavyiron | 554 | je initial_ss_ok |
555 | cmp [error_line],0 |
||
556 | jne initial_ss_ok |
||
557 | mov eax,[current_line] |
||
558 | mov [error_line],eax |
||
559 | mov [error],invalid_address |
||
560 | initial_ss_ok: |
||
31 | halyavin | 561 | mov edx,[additional_memory] |
157 | heavyiron | 562 | mov [edx+0Eh],ax |
563 | lods byte [esi] |
||
564 | cmp al,':' |
||
565 | jne invalid_argument |
||
566 | lods byte [esi] |
||
567 | cmp al,'(' |
||
568 | jne invalid_argument |
||
569 | call get_word_value |
||
570 | cmp [value_type],0 |
||
571 | jne invalid_use_of_symbol |
||
572 | mov edx,[additional_memory] |
||
573 | mov [edx+10h],ax |
||
574 | bts [format_flags],4 |
||
575 | jmp instruction_assembled |
||
576 | mz_heap: |
||
31 | halyavin | 577 | cmp [output_format],2 |
157 | heavyiron | 578 | jne illegal_instruction |
579 | lods byte [esi] |
||
580 | call get_size_operator |
||
581 | cmp ah,1 |
||
582 | je invalid_value |
||
583 | cmp ah,2 |
||
584 | ja invalid_value |
||
585 | cmp al,'(' |
||
586 | jne invalid_argument |
||
587 | call get_word_value |
||
588 | cmp [value_type],0 |
||
589 | jne invalid_use_of_symbol |
||
590 | mov edx,[additional_memory] |
||
591 | mov [edx+0Ch],ax |
||
592 | jmp instruction_assembled |
||
593 | write_mz_header: |
||
31 | halyavin | 594 | mov edx,[additional_memory] |
157 | heavyiron | 595 | bt [format_flags],4 |
596 | jc mz_stack_ok |
||
597 | mov eax,[real_code_size] |
||
598 | dec eax |
||
599 | shr eax,4 |
||
600 | inc eax |
||
601 | mov [edx+0Eh],ax |
||
602 | shl eax,4 |
||
603 | movzx ecx,word [edx+10h] |
||
604 | add eax,ecx |
||
605 | mov [real_code_size],eax |
||
606 | mz_stack_ok: |
||
31 | halyavin | 607 | mov edi,[free_additional_memory] |
157 | heavyiron | 608 | mov eax,[number_of_relocations] |
609 | shl eax,2 |
||
610 | add eax,1Ch |
||
611 | sub edi,eax |
||
612 | xchg edi,[free_additional_memory] |
||
613 | mov ecx,0Fh |
||
614 | add eax,0Fh |
||
615 | and eax,1111b |
||
616 | sub ecx,eax |
||
617 | xor al,al |
||
618 | rep stos byte [edi] |
||
619 | sub edi,[free_additional_memory] |
||
620 | mov ecx,edi |
||
621 | shr edi,4 |
||
622 | mov word [edx],'MZ' ; signature |
||
623 | mov [edx+8],di ; header size in paragraphs |
||
624 | mov eax,[number_of_relocations] |
||
625 | mov [edx+6],ax ; number of relocation entries |
||
626 | mov eax,[code_size] |
||
627 | add eax,ecx |
||
628 | mov esi,eax |
||
629 | shr esi,9 |
||
630 | and eax,1FFh |
||
631 | inc si |
||
632 | or ax,ax |
||
633 | jnz mz_size_ok |
||
634 | dec si |
||
635 | mz_size_ok: |
||
31 | halyavin | 636 | mov [edx+2],ax ; number of bytes in last page |
157 | heavyiron | 637 | mov [edx+4],si ; number of pages |
638 | mov eax,[real_code_size] |
||
639 | dec eax |
||
640 | shr eax,4 |
||
641 | inc eax |
||
642 | mov esi,[code_size] |
||
643 | dec esi |
||
644 | shr esi,4 |
||
645 | inc esi |
||
646 | sub eax,esi |
||
647 | mov [edx+0Ah],ax ; minimum memory in addition to code |
||
648 | add [edx+0Ch],ax ; maximum memory in addition to code |
||
649 | salc |
||
650 | mov ah,al |
||
651 | or [edx+0Ch],ax |
||
652 | mov word [edx+18h],1Ch ; offset of relocation table |
||
653 | add [written_size],ecx |
||
654 | call write |
||
655 | jc write_failed |
||
656 | ret |
||
657 | |||
31 | halyavin | 658 | |
659 | mov [stub_file],edx |
||
157 | heavyiron | 660 | or edx,edx |
661 | jnz stub_from_file |
||
662 | push esi |
||
663 | mov edx,edi |
||
664 | xor eax,eax |
||
665 | mov ecx,20h |
||
666 | rep stos dword [edi] |
||
667 | mov eax,40h+default_stub_end-default_stub |
||
668 | mov cx,100h+default_stub_end-default_stub |
||
669 | mov word [edx],'MZ' |
||
670 | mov byte [edx+4],1 |
||
1115 | heavyiron | 671 | mov word [edx+2],ax |
157 | heavyiron | 672 | mov byte [edx+8],4 |
1115 | heavyiron | 673 | mov byte [edx+0Ah],10h |
674 | mov word [edx+0Ch],0FFFFh |
||
157 | heavyiron | 675 | mov word [edx+10h],cx |
676 | mov word [edx+3Ch],ax |
||
677 | mov byte [edx+18h],40h |
||
1115 | heavyiron | 678 | lea edi,[edx+40h] |
157 | heavyiron | 679 | mov esi,default_stub |
680 | mov ecx,default_stub_end-default_stub |
||
681 | rep movs byte [edi],[esi] |
||
682 | pop esi |
||
683 | jmp stub_ok |
||
684 | default_stub: |
||
31 | halyavin | 685 | use16 |
157 | heavyiron | 686 | push cs |
687 | pop ds |
||
688 | mov dx,stub_message-default_stub |
||
689 | mov ah,9 |
||
690 | int 21h |
||
691 | mov ax,4C01h |
||
692 | int 21h |
||
693 | stub_message db 'This program cannot be run in DOS mode.',0Dh,0Ah,24h |
||
31 | halyavin | 694 | rq 1 |
157 | heavyiron | 695 | default_stub_end: |
31 | halyavin | 696 | use32 |
157 | heavyiron | 697 | stub_from_file: |
31 | halyavin | 698 | push esi |
157 | heavyiron | 699 | mov esi,edx |
700 | call open_binary_file |
||
701 | mov edx,edi |
||
702 | mov ecx,1Ch |
||
703 | mov esi,edx |
||
704 | call read |
||
705 | jc binary_stub |
||
706 | cmp word [esi],'MZ' |
||
707 | jne binary_stub |
||
708 | add edi,1Ch |
||
709 | movzx ecx,word [esi+6] |
||
710 | add ecx,11b |
||
711 | and ecx,not 11b |
||
712 | add ecx,(40h-1Ch) shr 2 |
||
713 | lea eax,[edi+ecx*4] |
||
714 | cmp edi,[display_buffer] |
||
715 | jae out_of_memory |
||
716 | xor eax,eax |
||
717 | rep stos dword [edi] |
||
718 | mov edx,40h |
||
719 | xchg dx,[esi+18h] |
||
720 | xor al,al |
||
721 | call lseek |
||
722 | movzx ecx,word [esi+6] |
||
723 | shl ecx,2 |
||
724 | lea edx,[esi+40h] |
||
725 | call read |
||
726 | mov edx,edi |
||
727 | sub edx,esi |
||
728 | shr edx,4 |
||
729 | xchg dx,[esi+8] |
||
730 | shl edx,4 |
||
731 | xor al,al |
||
732 | call lseek |
||
733 | movzx ecx,word [esi+4] |
||
734 | dec ecx |
||
735 | shl ecx,9 |
||
736 | movzx edx,word [esi+2] |
||
737 | test edx,edx |
||
872 | heavyiron | 738 | jnz stub_header_size_ok |
739 | mov dx,200h |
||
740 | stub_header_size_ok: |
||
741 | add ecx,edx |
||
157 | heavyiron | 742 | mov edx,edi |
743 | sub ecx,eax |
||
744 | je read_stub_code |
||
745 | jb stub_code_ok |
||
746 | push ecx |
||
747 | dec ecx |
||
748 | shr ecx,3 |
||
749 | inc ecx |
||
750 | shl ecx,1 |
||
751 | lea eax,[edi+ecx*4] |
||
752 | cmp eax,[display_buffer] |
||
753 | jae out_of_memory |
||
754 | xor eax,eax |
||
755 | rep stos dword [edi] |
||
756 | pop ecx |
||
757 | read_stub_code: |
||
31 | halyavin | 758 | call read |
157 | heavyiron | 759 | stub_code_ok: |
31 | halyavin | 760 | call close |
157 | heavyiron | 761 | mov edx,edi |
762 | sub edx,esi |
||
763 | mov ax,dx |
||
764 | and ax,1FFh |
||
765 | mov [esi+2],ax |
||
766 | dec edx |
||
767 | shr edx,9 |
||
768 | inc edx |
||
769 | mov [esi+4],dx |
||
770 | mov eax,edi |
||
771 | sub eax,esi |
||
772 | mov [esi+3Ch],eax |
||
773 | pop esi |
||
774 | stub_ok: |
||
31 | halyavin | 775 | ret |
157 | heavyiron | 776 | binary_stub: |
31 | halyavin | 777 | mov esi,edi |
157 | heavyiron | 778 | mov ecx,40h shr 2 |
779 | xor eax,eax |
||
780 | rep stos dword [edi] |
||
781 | mov al,2 |
||
782 | xor edx,edx |
||
783 | call lseek |
||
784 | push eax |
||
785 | xor al,al |
||
786 | xor edx,edx |
||
787 | call lseek |
||
788 | mov ecx,[esp] |
||
789 | add ecx,40h+111b |
||
790 | and ecx,not 111b |
||
791 | mov ax,cx |
||
792 | and ax,1FFh |
||
793 | mov [esi+2],ax |
||
794 | lea eax,[ecx+1FFh] |
||
795 | shr eax,9 |
||
796 | mov [esi+4],ax |
||
797 | mov [esi+3Ch],ecx |
||
798 | sub ecx,40h |
||
799 | mov eax,10000h |
||
800 | sub eax,ecx |
||
801 | jbe binary_heap_ok |
||
802 | shr eax,4 |
||
803 | mov [esi+0Ah],ax |
||
804 | binary_heap_ok: |
||
31 | halyavin | 805 | mov word [esi],'MZ' |
157 | heavyiron | 806 | mov byte [esi+8],4 |
1115 | heavyiron | 807 | mov ax,0FFFFh |
157 | heavyiron | 808 | mov [esi+0Ch],ax |
809 | dec ax |
||
810 | mov [esi+10h],ax |
||
811 | sub ax,0Eh |
||
812 | mov [esi+0Eh],ax |
||
813 | mov [esi+16h],ax |
||
814 | mov word [esi+14h],100h |
||
815 | mov byte [esi+18h],40h |
||
1115 | heavyiron | 816 | mov eax,[display_buffer] |
157 | heavyiron | 817 | sub eax,ecx |
818 | cmp edi,eax |
||
819 | jae out_of_memory |
||
820 | mov edx,edi |
||
821 | shr ecx,2 |
||
822 | xor eax,eax |
||
823 | rep stos dword [edi] |
||
824 | pop ecx |
||
825 | call read |
||
826 | call close |
||
827 | pop esi |
||
828 | ret |
||
829 | |||
31 | halyavin | 830 | |
831 | xor edx,edx |
||
157 | heavyiron | 832 | mov [machine],14Ch |
833 | mov [subsystem],3 |
||
834 | mov [subsystem_version],3 + 10 shl 16 |
||
835 | mov [image_base],400000h |
||
836 | mov [image_base_high],0 |
||
2287 | heavyiron | 837 | test [format_flags],8 |
157 | heavyiron | 838 | jz pe_settings |
839 | mov [machine],8664h |
||
840 | mov [subsystem_version],5 + 0 shl 16 |
||
841 | pe_settings: |
||
31 | halyavin | 842 | cmp byte [esi],84h |
157 | heavyiron | 843 | je get_stub_name |
844 | cmp byte [esi],80h |
||
845 | je get_pe_base |
||
846 | cmp byte [esi],1Bh |
||
847 | jne pe_settings_ok |
||
848 | lods byte [esi] |
||
849 | lods byte [esi] |
||
850 | test al,80h+40h |
||
851 | jz subsystem_setting |
||
852 | cmp al,80h |
||
853 | je dll_flag |
||
854 | cmp al,81h |
||
855 | je wdm_flag |
||
856 | cmp al,82h |
||
2287 | heavyiron | 857 | je large_flag |
858 | cmp al,83h |
||
859 | je nx_flag |
||
860 | jmp pe_settings |
||
157 | heavyiron | 861 | dll_flag: |
31 | halyavin | 862 | bts [format_flags],8 |
157 | heavyiron | 863 | jc setting_already_specified |
864 | jmp pe_settings |
||
865 | wdm_flag: |
||
31 | halyavin | 866 | bts [format_flags],9 |
157 | heavyiron | 867 | jc setting_already_specified |
868 | jmp pe_settings |
||
869 | large_flag: |
||
2287 | heavyiron | 870 | bts [format_flags],11 |
871 | jc setting_already_specified |
||
872 | test [format_flags],8 |
||
873 | jnz invalid_argument |
||
874 | jmp pe_settings |
||
875 | nx_flag: |
||
876 | bts [format_flags],12 |
||
877 | jc setting_already_specified |
||
878 | jmp pe_settings |
||
879 | subsystem_setting: |
||
31 | halyavin | 880 | bts [format_flags],7 |
157 | heavyiron | 881 | jc setting_already_specified |
882 | and ax,3Fh |
||
883 | mov [subsystem],ax |
||
884 | cmp ax,10 |
||
992 | heavyiron | 885 | jb subsystem_type_ok |
886 | or [format_flags],4 |
||
2287 | heavyiron | 887 | subsystem_type_ok: |
992 | heavyiron | 888 | cmp byte [esi],'(' |
157 | heavyiron | 889 | jne pe_settings |
890 | inc esi |
||
891 | cmp byte [esi],'.' |
||
892 | jne invalid_value |
||
893 | inc esi |
||
894 | push edx |
||
895 | cmp byte [esi+11],0 |
||
896 | jne invalid_value |
||
897 | cmp byte [esi+10],2 |
||
898 | ja invalid_value |
||
899 | mov dx,[esi+8] |
||
900 | cmp dx,8000h |
||
901 | je zero_version |
||
902 | mov eax,[esi+4] |
||
903 | cmp dx,7 |
||
904 | jg invalid_value |
||
905 | mov cx,7 |
||
906 | sub cx,dx |
||
907 | mov eax,[esi+4] |
||
908 | shr eax,cl |
||
909 | mov ebx,eax |
||
910 | shr ebx,24 |
||
911 | cmp bl,100 |
||
912 | jae invalid_value |
||
913 | and eax,0FFFFFFh |
||
914 | mov ecx,100 |
||
915 | mul ecx |
||
916 | shrd eax,edx,24 |
||
917 | jnc version_value_ok |
||
918 | inc eax |
||
919 | version_value_ok: |
||
31 | halyavin | 920 | shl eax,16 |
157 | heavyiron | 921 | mov ax,bx |
922 | jmp subsystem_version_ok |
||
923 | zero_version: |
||
31 | halyavin | 924 | xor eax,eax |
157 | heavyiron | 925 | subsystem_version_ok: |
31 | halyavin | 926 | pop edx |
157 | heavyiron | 927 | add esi,13 |
928 | mov [subsystem_version],eax |
||
929 | jmp pe_settings |
||
930 | get_pe_base: |
||
31 | halyavin | 931 | bts [format_flags],10 |
157 | heavyiron | 932 | jc setting_already_specified |
933 | lods word [esi] |
||
934 | cmp ah,'(' |
||
935 | jne invalid_argument |
||
936 | cmp byte [esi],'.' |
||
937 | je invalid_value |
||
938 | push edx edi |
||
939 | add edi,[stub_size] |
||
940 | test [format_flags],4 |
||
2287 | heavyiron | 941 | jnz get_peplus_base |
992 | heavyiron | 942 | call get_dword_value |
157 | heavyiron | 943 | mov [image_base],eax |
944 | jmp pe_base_ok |
||
945 | get_peplus_base: |
||
992 | heavyiron | 946 | call get_qword_value |
157 | heavyiron | 947 | mov [image_base],eax |
948 | mov [image_base_high],edx |
||
949 | pe_base_ok: |
||
31 | halyavin | 950 | pop edi edx |
157 | heavyiron | 951 | cmp [value_type],0 |
952 | jne invalid_use_of_symbol |
||
953 | cmp byte [esi],84h |
||
954 | jne pe_settings_ok |
||
955 | get_stub_name: |
||
31 | halyavin | 956 | lods byte [esi] |
157 | heavyiron | 957 | lods word [esi] |
958 | cmp ax,'(' |
||
959 | jne invalid_argument |
||
960 | lods dword [esi] |
||
961 | mov edx,esi |
||
962 | add esi,eax |
||
963 | inc esi |
||
964 | pe_settings_ok: |
||
31 | halyavin | 965 | mov ebp,[stub_size] |
157 | heavyiron | 966 | or ebp,ebp |
967 | jz make_pe_stub |
||
968 | cmp edx,[stub_file] |
||
969 | je pe_stub_ok |
||
970 | sub edi,[stub_size] |
||
971 | mov [code_start],edi |
||
972 | make_pe_stub: |
||
31 | halyavin | 973 | call make_stub |
157 | heavyiron | 974 | mov eax,edi |
975 | sub eax,[code_start] |
||
976 | mov [stub_size],eax |
||
977 | mov [code_start],edi |
||
978 | mov ebp,eax |
||
979 | pe_stub_ok: |
||
31 | halyavin | 980 | mov edx,edi |
157 | heavyiron | 981 | mov ecx,18h+0E0h |
982 | test [format_flags],4 |
||
2287 | heavyiron | 983 | jz zero_pe_header |
157 | heavyiron | 984 | add ecx,10h |
985 | zero_pe_header: |
||
31 | halyavin | 986 | add ebp,ecx |
157 | heavyiron | 987 | shr ecx,2 |
988 | xor eax,eax |
||
989 | rep stos dword [edi] |
||
990 | mov word [edx],'PE' ; signature |
||
991 | mov ax,[machine] |
||
992 | mov word [edx+4],ax |
||
993 | mov byte [edx+38h+1],10h ; section alignment |
||
1115 | heavyiron | 994 | mov byte [edx+3Ch+1],2 ; file alignment |
995 | mov byte [edx+40h],1 ; OS version |
||
996 | mov eax,[subsystem_version] |
||
157 | heavyiron | 997 | mov [edx+48h],eax |
998 | mov ax,[subsystem] |
||
999 | mov [edx+5Ch],ax |
||
1000 | cmp ax,1 |
||
1001 | jne pe_alignment_ok |
||
1002 | mov eax,20h |
||
1003 | mov dword [edx+38h],eax |
||
1004 | mov dword [edx+3Ch],eax |
||
1005 | pe_alignment_ok: |
||
31 | halyavin | 1006 | mov word [edx+1Ah],VERSION_MAJOR + VERSION_MINOR shl 8 |
157 | heavyiron | 1007 | test [format_flags],4 |
2287 | heavyiron | 1008 | jnz init_peplus_specific |
992 | heavyiron | 1009 | mov byte [edx+14h],0E0h ; size of optional header |
1115 | heavyiron | 1010 | mov dword [edx+16h],10B010Fh; flags and magic value |
2287 | heavyiron | 1011 | mov eax,[image_base] |
157 | heavyiron | 1012 | mov [edx+34h],eax |
1115 | heavyiron | 1013 | mov byte [edx+60h+1],10h ; stack reserve |
1014 | mov byte [edx+64h+1],10h ; stack commit |
||
1015 | mov byte [edx+68h+2],1 ; heap reserve |
||
1016 | mov byte [edx+74h],16 ; number of directories |
||
1017 | jmp pe_header_ok |
||
157 | heavyiron | 1018 | init_peplus_specific: |
992 | heavyiron | 1019 | mov byte [edx+14h],0F0h ; size of optional header |
1115 | heavyiron | 1020 | mov dword [edx+16h],20B002Fh; flags and magic value |
2287 | heavyiron | 1021 | mov eax,[image_base] |
157 | heavyiron | 1022 | mov [edx+30h],eax |
1115 | heavyiron | 1023 | mov eax,[image_base_high] |
157 | heavyiron | 1024 | mov [edx+34h],eax |
1115 | heavyiron | 1025 | mov byte [edx+60h+1],10h ; stack reserve |
1026 | mov byte [edx+68h+1],10h ; stack commit |
||
1027 | mov byte [edx+70h+2],1 ; heap reserve |
||
1028 | mov byte [edx+84h],16 ; number of directories |
||
1029 | pe_header_ok: |
||
31 | halyavin | 1030 | bsf ecx,[edx+3Ch] |
157 | heavyiron | 1031 | imul ebx,[number_of_sections],28h |
1032 | or ebx,ebx |
||
1033 | jnz reserve_space_for_section_headers |
||
1034 | mov ebx,28h |
||
1035 | reserve_space_for_section_headers: |
||
31 | halyavin | 1036 | add ebx,ebp |
157 | heavyiron | 1037 | dec ebx |
1038 | shr ebx,cl |
||
1039 | inc ebx |
||
1040 | shl ebx,cl |
||
1041 | sub ebx,ebp |
||
1042 | mov ecx,ebx |
||
1043 | mov eax,[display_buffer] |
||
1044 | sub eax,ecx |
||
1045 | cmp edi,eax |
||
1046 | jae out_of_memory |
||
1047 | shr ecx,2 |
||
1048 | xor eax,eax |
||
1049 | rep stos dword [edi] |
||
1050 | mov eax,edi |
||
1051 | sub eax,[code_start] |
||
1052 | add eax,[stub_size] |
||
1053 | mov [edx+54h],eax ; size of headers |
||
1054 | mov ecx,[edx+38h] |
||
1055 | dec ecx |
||
1056 | add eax,ecx |
||
1057 | not ecx |
||
1058 | and eax,ecx |
||
1059 | bt [format_flags],8 |
||
1060 | jc pe_entry_init_ok |
||
1061 | mov [edx+28h],eax ; entry point rva |
||
1062 | pe_entry_init_ok: |
||
31 | halyavin | 1063 | mov [number_of_sections],0 |
157 | heavyiron | 1064 | movzx ebx,word [edx+14h] |
1065 | lea ebx,[edx+18h+ebx] |
||
1066 | mov [current_section],ebx |
||
1067 | mov dword [ebx],'.fla' |
||
1068 | mov dword [ebx+4],'t' |
||
1069 | mov [ebx+14h],edi |
||
1070 | mov [ebx+0Ch],eax |
||
1071 | mov dword [ebx+24h],0E0000060h |
||
1072 | xor ecx,ecx |
||
1073 | not eax |
||
1074 | not ecx |
||
1075 | add eax,1 |
||
1076 | adc ecx,0 |
||
1077 | add eax,edi |
||
1078 | adc ecx,0 |
||
1079 | test [format_flags],4 |
||
2287 | heavyiron | 1080 | jnz peplus_org |
992 | heavyiron | 1081 | sub eax,[edx+34h] |
157 | heavyiron | 1082 | sbb ecx,0 |
1083 | jmp pe_org_ok |
||
1084 | peplus_org: |
||
992 | heavyiron | 1085 | sub eax,[edx+30h] |
157 | heavyiron | 1086 | sbb ecx,[edx+34h] |
1087 | pe_org_ok: |
||
2287 | heavyiron | 1088 | test [format_flags],8 |
1089 | jnz pe64_code |
||
1090 | mov bl,2 |
||
1091 | mov [code_type],32 |
||
1092 | jmp pe_code_type_ok |
||
1093 | pe64_code: |
||
1094 | mov bl,4 |
||
157 | heavyiron | 1095 | mov [code_type],64 |
1096 | pe_code_type_ok: |
||
2287 | heavyiron | 1097 | bt [resolver_flags],0 |
157 | heavyiron | 1098 | jc pe_labels_type_ok |
1099 | xor bl,bl |
||
1100 | pe_labels_type_ok: |
||
109 | heavyiron | 1101 | mov [labels_type],bl |
157 | heavyiron | 1102 | mov dword [org_origin],eax |
1103 | mov dword [org_origin+4],ecx |
||
1104 | mov [org_registers],0 |
||
1105 | mov [org_start],edi |
||
1106 | bt [format_flags],8 |
||
1107 | jnc dll_flag_ok |
||
1108 | or byte [edx+16h+1],20h |
||
1115 | heavyiron | 1109 | dll_flag_ok: |
31 | halyavin | 1110 | bt [format_flags],9 |
157 | heavyiron | 1111 | jnc wdm_flag_ok |
1112 | or byte [edx+5Eh+1],20h |
||
1115 | heavyiron | 1113 | wdm_flag_ok: |
31 | halyavin | 1114 | bt [format_flags],11 |
2287 | heavyiron | 1115 | jnc large_flag_ok |
1116 | or byte [edx+16h],20h |
||
1117 | large_flag_ok: |
||
1118 | bt [format_flags],12 |
||
1119 | jnc nx_ok |
||
1120 | or byte [edx+5Eh+1],1 |
||
1121 | nx_ok: |
||
1122 | jmp format_defined |
||
607 | heavyiron | 1123 | pe_section: |
31 | halyavin | 1124 | call close_pe_section |
157 | heavyiron | 1125 | bts [format_flags],5 |
1126 | lea ecx,[ebx+28h] |
||
1127 | add edx,[edx+54h] |
||
1128 | sub edx,[stub_size] |
||
1129 | cmp ecx,edx |
||
1130 | jbe new_section |
||
1131 | lea ebx,[edx-28h] |
||
1132 | or [next_pass_needed],-1 |
||
1133 | push edi |
||
1134 | mov edi,ebx |
||
1135 | mov ecx,28h shr 4 |
||
1136 | xor eax,eax |
||
1137 | rep stos dword [edi] |
||
1138 | pop edi |
||
1139 | new_section: |
||
31 | halyavin | 1140 | mov [ebx+0Ch],eax |
157 | heavyiron | 1141 | lods word [esi] |
1142 | cmp ax,'(' |
||
1143 | jne invalid_argument |
||
1144 | lea edx,[esi+4] |
||
1145 | mov ecx,[esi] |
||
1146 | lea esi,[esi+4+ecx+1] |
||
1147 | cmp ecx,8 |
||
1148 | ja name_too_long |
||
1149 | xor eax,eax |
||
1150 | mov [ebx],eax |
||
1151 | mov [ebx+4],eax |
||
1152 | push esi edi |
||
1153 | mov edi,ebx |
||
1154 | mov esi,edx |
||
1155 | rep movs byte [edi],[esi] |
||
1156 | pop edi esi |
||
1157 | mov dword [ebx+24h],0 |
||
1158 | mov [ebx+14h],edi |
||
1159 | mov edx,[code_start] |
||
1160 | mov eax,edi |
||
1161 | xor ecx,ecx |
||
1162 | sub eax,[ebx+0Ch] |
||
1163 | sbb ecx,0 |
||
1164 | mov [labels_type],2 |
||
2287 | heavyiron | 1165 | mov [code_type],32 |
1166 | test [format_flags],8 |
||
157 | heavyiron | 1167 | jz pe_section_code_type_ok |
2287 | heavyiron | 1168 | mov [labels_type],4 |
1169 | mov [code_type],64 |
||
1170 | pe_section_code_type_ok: |
||
1171 | test [format_flags],4 |
||
1172 | jnz peplus_section_org |
||
992 | heavyiron | 1173 | sub eax,[edx+34h] |
157 | heavyiron | 1174 | sbb ecx,0 |
1175 | bt [resolver_flags],0 |
||
1176 | jc pe_section_org_ok |
||
1177 | mov [labels_type],0 |
||
1178 | jmp pe_section_org_ok |
||
1179 | peplus_section_org: |
||
992 | heavyiron | 1180 | sub eax,[edx+30h] |
157 | heavyiron | 1181 | sbb ecx,[edx+34h] |
1182 | bt [resolver_flags],0 |
||
1183 | jc pe_section_org_ok |
||
1184 | mov [labels_type],0 |
||
1185 | pe_section_org_ok: |
||
31 | halyavin | 1186 | mov dword [org_origin],eax |
157 | heavyiron | 1187 | mov dword [org_origin+4],ecx |
1188 | mov [org_registers],0 |
||
1189 | mov [org_start],edi |
||
1190 | get_section_flags: |
||
31 | halyavin | 1191 | lods byte [esi] |
157 | heavyiron | 1192 | cmp al,1Ah |
1193 | je set_directory |
||
1194 | cmp al,19h |
||
1195 | je section_flag |
||
1196 | dec esi |
||
1197 | jmp instruction_assembled |
||
1198 | set_directory: |
||
31 | halyavin | 1199 | movzx eax,byte [esi] |
157 | heavyiron | 1200 | inc esi |
1201 | mov ecx,ebx |
||
1202 | test [format_flags],4 |
||
2287 | heavyiron | 1203 | jnz peplus_directory |
992 | heavyiron | 1204 | xchg ecx,[edx+78h+eax*8] |
157 | heavyiron | 1205 | mov dword [edx+78h+eax*8+4],-1 |
1206 | jmp pe_directory_set |
||
1207 | peplus_directory: |
||
992 | heavyiron | 1208 | xchg ecx,[edx+88h+eax*8] |
157 | heavyiron | 1209 | mov dword [edx+88h+eax*8+4],-1 |
1210 | pe_directory_set: |
||
31 | halyavin | 1211 | or ecx,ecx |
157 | heavyiron | 1212 | jnz data_already_defined |
1213 | push ebx edx |
||
1214 | call generate_pe_data |
||
1215 | pop edx ebx |
||
1216 | jmp get_section_flags |
||
1217 | section_flag: |
||
31 | halyavin | 1218 | lods byte [esi] |
157 | heavyiron | 1219 | cmp al,9 |
1220 | je invalid_argument |
||
1221 | cmp al,11 |
||
1222 | je invalid_argument |
||
1223 | mov cl,al |
||
1224 | mov eax,1 |
||
1225 | shl eax,cl |
||
1226 | test dword [ebx+24h],eax |
||
1227 | jnz setting_already_specified |
||
1228 | or dword [ebx+24h],eax |
||
1229 | jmp get_section_flags |
||
1230 | close_pe_section: |
||
31 | halyavin | 1231 | mov ebx,[current_section] |
157 | heavyiron | 1232 | mov edx,[code_start] |
1233 | mov eax,edi |
||
1234 | sub eax,[ebx+14h] |
||
1235 | jnz finish_section |
||
1236 | bt [format_flags],5 |
||
1237 | jc finish_section |
||
1238 | mov eax,[ebx+0Ch] |
||
1239 | ret |
||
1240 | finish_section: |
||
31 | halyavin | 1241 | mov [ebx+8],eax |
157 | heavyiron | 1242 | cmp edi,[undefined_data_end] |
1243 | jne align_section |
||
1244 | cmp dword [edx+38h],1000h |
||
1245 | jb align_section |
||
1246 | mov edi,[undefined_data_start] |
||
1247 | align_section: |
||
31 | halyavin | 1248 | mov [undefined_data_end],0 |
157 | heavyiron | 1249 | mov ebp,edi |
1250 | sub ebp,[ebx+14h] |
||
1251 | mov ecx,[edx+3Ch] |
||
1252 | dec ecx |
||
1253 | lea eax,[ebp+ecx] |
||
1254 | not ecx |
||
1255 | and eax,ecx |
||
1256 | mov [ebx+10h],eax |
||
1257 | sub eax,ebp |
||
1258 | mov ecx,eax |
||
1259 | xor al,al |
||
1260 | rep stos byte [edi] |
||
1261 | mov eax,[code_start] |
||
1262 | sub eax,[stub_size] |
||
1263 | sub [ebx+14h],eax |
||
1264 | mov ecx,[ebx+10h] |
||
992 | heavyiron | 1265 | test byte [ebx+24h],20h |
1266 | jz pe_code_sum_ok |
||
1267 | add [edx+1Ch],ecx |
||
1268 | cmp dword [edx+2Ch],0 |
||
1269 | jne pe_code_sum_ok |
||
1270 | mov eax,[ebx+0Ch] |
||
1271 | mov [edx+2Ch],eax |
||
1272 | pe_code_sum_ok: |
||
1273 | test byte [ebx+24h],40h |
||
1274 | jz pe_data_sum_ok |
||
1275 | add [edx+20h],ecx |
||
1276 | test [format_flags],4 |
||
2287 | heavyiron | 1277 | jnz pe_data_sum_ok |
992 | heavyiron | 1278 | cmp dword [edx+30h],0 |
1279 | jne pe_data_sum_ok |
||
1280 | mov eax,[ebx+0Ch] |
||
1281 | mov [edx+30h],eax |
||
1282 | pe_data_sum_ok: |
||
1283 | mov eax,[ebx+8] |
||
157 | heavyiron | 1284 | or eax,eax |
1285 | jz udata_ok |
||
1286 | cmp dword [ebx+10h],0 |
||
1287 | jne udata_ok |
||
1288 | or byte [ebx+24h],80h |
||
1289 | add [edx+24h],ecx |
||
992 | heavyiron | 1290 | udata_ok: |
31 | halyavin | 1291 | mov ecx,[edx+38h] |
157 | heavyiron | 1292 | dec ecx |
1293 | add eax,ecx |
||
1294 | not ecx |
||
1295 | and eax,ecx |
||
1296 | add eax,[ebx+0Ch] |
||
1297 | add ebx,28h |
||
1298 | mov [current_section],ebx |
||
1299 | inc word [number_of_sections] |
||
1300 | jz format_limitations_exceeded |
||
1301 | ret |
||
1302 | data_directive: |
||
31 | halyavin | 1303 | cmp [output_format],3 |
157 | heavyiron | 1304 | jne illegal_instruction |
1305 | lods byte [esi] |
||
1306 | cmp al,1Ah |
||
1307 | je predefined_data_type |
||
1308 | cmp al,'(' |
||
1309 | jne invalid_argument |
||
1310 | call get_byte_value |
||
1311 | cmp al,16 |
||
1312 | jb data_type_ok |
||
1313 | jmp invalid_value |
||
1314 | predefined_data_type: |
||
31 | halyavin | 1315 | movzx eax,byte [esi] |
157 | heavyiron | 1316 | inc esi |
1317 | data_type_ok: |
||
31 | halyavin | 1318 | mov ebx,[current_section] |
157 | heavyiron | 1319 | mov ecx,edi |
1320 | sub ecx,[ebx+14h] |
||
1321 | add ecx,[ebx+0Ch] |
||
1322 | mov edx,[code_start] |
||
1323 | test [format_flags],4 |
||
2287 | heavyiron | 1324 | jnz peplus_data |
992 | heavyiron | 1325 | xchg ecx,[edx+78h+eax*8] |
157 | heavyiron | 1326 | jmp init_pe_data |
1327 | peplus_data: |
||
992 | heavyiron | 1328 | xchg ecx,[edx+88h+eax*8] |
157 | heavyiron | 1329 | init_pe_data: |
31 | halyavin | 1330 | or ecx,ecx |
157 | heavyiron | 1331 | jnz data_already_defined |
1332 | call allocate_structure_data |
||
1333 | mov word [ebx],data_directive-instruction_handler |
||
1189 | heavyiron | 1334 | mov [ebx+2],al |
157 | heavyiron | 1335 | mov edx,[current_line] |
1336 | mov [ebx+4],edx |
||
1337 | call generate_pe_data |
||
1338 | jmp instruction_assembled |
||
1339 | end_data: |
||
31 | halyavin | 1340 | cmp [output_format],3 |
157 | heavyiron | 1341 | jne illegal_instruction |
1342 | call find_structure_data |
||
1343 | jc unexpected_instruction |
||
1344 | movzx eax,byte [ebx+2] |
||
1345 | mov edx,[current_section] |
||
1346 | mov ecx,edi |
||
1347 | sub ecx,[edx+14h] |
||
1348 | add ecx,[edx+0Ch] |
||
1349 | mov edx,[code_start] |
||
1350 | test [format_flags],4 |
||
2287 | heavyiron | 1351 | jnz end_peplus_data |
992 | heavyiron | 1352 | sub ecx,[edx+78h+eax*8] |
157 | heavyiron | 1353 | mov [edx+78h+eax*8+4],ecx |
1354 | jmp remove_structure_data |
||
1355 | end_peplus_data: |
||
992 | heavyiron | 1356 | sub ecx,[edx+88h+eax*8] |
157 | heavyiron | 1357 | mov [edx+88h+eax*8+4],ecx |
1358 | jmp remove_structure_data |
||
1359 | pe_entry: |
||
31 | halyavin | 1360 | lods byte [esi] |
157 | heavyiron | 1361 | cmp al,'(' |
1362 | jne invalid_argument |
||
1363 | cmp byte [esi],'.' |
||
1364 | je invalid_value |
||
1365 | test [format_flags],8 |
||
1366 | jnz pe64_entry |
||
2287 | heavyiron | 1367 | call get_dword_value |
157 | heavyiron | 1368 | mov bl,2 |
1369 | bt [resolver_flags],0 |
||
1370 | jc check_pe_entry_label_type |
||
1371 | xor bl,bl |
||
1372 | check_pe_entry_label_type: |
||
109 | heavyiron | 1373 | cmp [value_type],bl |
157 | heavyiron | 1374 | je pe_entry_ok |
1375 | cmp [error_line],0 |
||
1376 | jne pe_entry_ok |
||
1377 | mov edx,[current_line] |
||
1378 | mov [error_line],edx |
||
1379 | mov [error],invalid_address |
||
1380 | pe_entry_ok: |
||
31 | halyavin | 1381 | cdq |
2287 | heavyiron | 1382 | test [format_flags],4 |
1383 | jnz pe64_entry_type_ok |
||
1384 | mov edx,[code_start] |
||
157 | heavyiron | 1385 | sub eax,[edx+34h] |
1386 | mov [edx+28h],eax |
||
1387 | jmp instruction_assembled |
||
1388 | pe64_entry: |
||
2287 | heavyiron | 1389 | call get_qword_value |
157 | heavyiron | 1390 | mov bl,4 |
1391 | bt [resolver_flags],0 |
||
1392 | jc check_pe64_entry_label_type |
||
2287 | heavyiron | 1393 | xor bl,bl |
157 | heavyiron | 1394 | check_pe64_entry_label_type: |
2287 | heavyiron | 1395 | cmp [value_type],bl |
157 | heavyiron | 1396 | je pe64_entry_type_ok |
2287 | heavyiron | 1397 | cmp [error_line],0 |
157 | heavyiron | 1398 | jne pe64_entry_type_ok |
2287 | heavyiron | 1399 | mov edx,[current_line] |
157 | heavyiron | 1400 | mov [error_line],edx |
1401 | mov [error],invalid_address |
||
1402 | pe64_entry_type_ok: |
||
2287 | heavyiron | 1403 | mov ecx,[code_start] |
157 | heavyiron | 1404 | sub eax,[ecx+30h] |
1405 | sbb edx,[ecx+34h] |
||
1406 | jz pe64_entry_range_ok |
||
2287 | heavyiron | 1407 | mov edx,[current_line] |
157 | heavyiron | 1408 | mov [error_line],edx |
1409 | mov [error],value_out_of_range |
||
1410 | pe64_entry_range_ok: |
||
2287 | heavyiron | 1411 | mov [ecx+28h],eax |
157 | heavyiron | 1412 | jmp instruction_assembled |
1413 | pe_stack: |
||
31 | halyavin | 1414 | lods byte [esi] |
157 | heavyiron | 1415 | cmp al,'(' |
1416 | jne invalid_argument |
||
1417 | cmp byte [esi],'.' |
||
1418 | je invalid_value |
||
1419 | test [format_flags],4 |
||
2287 | heavyiron | 1420 | jnz peplus_stack |
992 | heavyiron | 1421 | call get_count_value |
2287 | heavyiron | 1422 | mov edx,[code_start] |
157 | heavyiron | 1423 | mov [edx+60h],eax |
1424 | cmp byte [esi],',' |
||
1425 | jne default_stack_commit |
||
1426 | lods byte [esi] |
||
1427 | lods byte [esi] |
||
1428 | cmp al,'(' |
||
1429 | jne invalid_argument |
||
1430 | cmp byte [esi],'.' |
||
1431 | je invalid_value |
||
1432 | call get_count_value |
||
2287 | heavyiron | 1433 | mov edx,[code_start] |
157 | heavyiron | 1434 | mov [edx+64h],eax |
1435 | cmp eax,[edx+60h] |
||
1436 | ja value_out_of_range |
||
1437 | jmp instruction_assembled |
||
1438 | default_stack_commit: |
||
31 | halyavin | 1439 | mov dword [edx+64h],1000h |
157 | heavyiron | 1440 | mov eax,[edx+60h] |
1441 | cmp eax,1000h |
||
1442 | ja instruction_assembled |
||
1443 | mov dword [edx+64h],eax |
||
1444 | jmp instruction_assembled |
||
1445 | peplus_stack: |
||
992 | heavyiron | 1446 | call get_qword_value |
157 | heavyiron | 1447 | cmp [value_type],0 |
1448 | jne invalid_use_of_symbol |
||
1449 | mov ecx,[code_start] |
||
1450 | mov [ecx+60h],eax |
||
1451 | mov [ecx+64h],edx |
||
1452 | cmp byte [esi],',' |
||
1453 | jne default_peplus_stack_commit |
||
992 | heavyiron | 1454 | lods byte [esi] |
157 | heavyiron | 1455 | lods byte [esi] |
1456 | cmp al,'(' |
||
1457 | jne invalid_argument |
||
1458 | cmp byte [esi],'.' |
||
1459 | je invalid_value |
||
1460 | call get_qword_value |
||
1461 | cmp [value_type],0 |
||
1462 | jne invalid_use_of_symbol |
||
1463 | mov ecx,[code_start] |
||
1464 | mov [ecx+68h],eax |
||
1465 | mov [ecx+6Ch],edx |
||
1466 | cmp edx,[ecx+64h] |
||
1467 | ja value_out_of_range |
||
1468 | jb instruction_assembled |
||
1469 | cmp eax,[ecx+60h] |
||
607 | heavyiron | 1470 | ja value_out_of_range |
157 | heavyiron | 1471 | jmp instruction_assembled |
1472 | default_peplus_stack_commit: |
||
992 | heavyiron | 1473 | mov dword [ecx+68h],1000h |
607 | heavyiron | 1474 | cmp dword [ecx+64h],0 |
1475 | jne instruction_assembled |
||
157 | heavyiron | 1476 | mov eax,[ecx+60h] |
607 | heavyiron | 1477 | cmp eax,1000h |
157 | heavyiron | 1478 | ja instruction_assembled |
1479 | mov dword [ecx+68h],eax |
||
607 | heavyiron | 1480 | jmp instruction_assembled |
157 | heavyiron | 1481 | pe_heap: |
31 | halyavin | 1482 | lods byte [esi] |
157 | heavyiron | 1483 | cmp al,'(' |
1484 | jne invalid_argument |
||
1485 | cmp byte [esi],'.' |
||
1486 | je invalid_value |
||
1487 | test [format_flags],4 |
||
2287 | heavyiron | 1488 | jnz peplus_heap |
992 | heavyiron | 1489 | call get_count_value |
2287 | heavyiron | 1490 | mov edx,[code_start] |
157 | heavyiron | 1491 | mov [edx+68h],eax |
1492 | cmp byte [esi],',' |
||
1493 | jne instruction_assembled |
||
1494 | lods byte [esi] |
||
1495 | lods byte [esi] |
||
1496 | cmp al,'(' |
||
1497 | jne invalid_argument |
||
1498 | cmp byte [esi],'.' |
||
1499 | je invalid_value |
||
1500 | call get_count_value |
||
2287 | heavyiron | 1501 | mov edx,[code_start] |
157 | heavyiron | 1502 | mov [edx+6Ch],eax |
1503 | cmp eax,[edx+68h] |
||
1504 | ja value_out_of_range |
||
1505 | jmp instruction_assembled |
||
1506 | peplus_heap: |
||
992 | heavyiron | 1507 | call get_qword_value |
157 | heavyiron | 1508 | cmp [value_type],0 |
1509 | jne invalid_use_of_symbol |
||
1510 | mov ecx,[code_start] |
||
1511 | mov [ecx+70h],eax |
||
1512 | mov [ecx+74h],edx |
||
1513 | cmp byte [esi],',' |
||
1514 | jne instruction_assembled |
||
1515 | lods byte [esi] |
||
1516 | lods byte [esi] |
||
1517 | cmp al,'(' |
||
1518 | jne invalid_argument |
||
1519 | cmp byte [esi],'.' |
||
1520 | je invalid_value |
||
1521 | call get_qword_value |
||
1522 | cmp [value_type],0 |
||
1523 | jne invalid_use_of_symbol |
||
1524 | mov ecx,[code_start] |
||
1525 | mov [ecx+78h],eax |
||
1526 | mov [ecx+7Ch],edx |
||
1527 | cmp edx,[ecx+74h] |
||
1528 | ja value_out_of_range |
||
1529 | jb instruction_assembled |
||
1530 | cmp eax,[edx+70h] |
||
1531 | ja value_out_of_range |
||
1532 | jmp instruction_assembled |
||
1533 | mark_pe_relocation: |
||
31 | halyavin | 1534 | push eax ebx |
157 | heavyiron | 1535 | test [format_flags],4 |
2287 | heavyiron | 1536 | jz check_standard_pe_relocation_type |
1537 | cmp [value_type],4 |
||
370 | heavyiron | 1538 | je pe_relocation_type_ok |
157 | heavyiron | 1539 | check_standard_pe_relocation_type: |
2287 | heavyiron | 1540 | cmp [value_type],2 |
370 | heavyiron | 1541 | je pe_relocation_type_ok |
1542 | cmp [error_line],0 |
||
157 | heavyiron | 1543 | jne pe_relocation_type_ok |
1544 | mov eax,[current_line] |
||
1545 | mov [error_line],eax |
||
1546 | mov [error],invalid_use_of_symbol |
||
1547 | pe_relocation_type_ok: |
||
109 | heavyiron | 1548 | mov ebx,[current_section] |
157 | heavyiron | 1549 | mov eax,edi |
1550 | sub eax,[ebx+14h] |
||
1551 | add eax,[ebx+0Ch] |
||
1552 | mov ebx,[free_additional_memory] |
||
1553 | inc [number_of_relocations] |
||
1554 | add ebx,5 |
||
370 | heavyiron | 1555 | cmp ebx,[structures_buffer] |
157 | heavyiron | 1556 | jae out_of_memory |
1557 | mov [free_additional_memory],ebx |
||
1558 | mov [ebx-5],eax |
||
370 | heavyiron | 1559 | cmp [value_type],2 |
1560 | je fixup_32bit |
||
1561 | mov byte [ebx-1],0Ah |
||
1562 | jmp fixup_ok |
||
1563 | fixup_32bit: |
||
1564 | mov byte [ebx-1],3 |
||
1565 | fixup_ok: |
||
1566 | pop ebx eax |
||
157 | heavyiron | 1567 | ret |
1568 | generate_pe_data: |
||
31 | halyavin | 1569 | cmp al,2 |
157 | heavyiron | 1570 | je make_pe_resource |
1571 | cmp al,5 |
||
1572 | je make_pe_fixups |
||
1573 | ret |
||
1574 | make_pe_fixups: |
||
370 | heavyiron | 1575 | mov edx,[code_start] |
2287 | heavyiron | 1576 | and byte [edx+16h],not 1 |
1577 | or byte [edx+5Eh],40h |
||
1578 | bts [resolver_flags],0 |
||
370 | heavyiron | 1579 | jc fixups_ready |
2287 | heavyiron | 1580 | or [next_pass_needed],-1 |
370 | heavyiron | 1581 | fixups_ready: |
2287 | heavyiron | 1582 | mov [last_fixup_base],0 |
1583 | call make_fixups |
||
1584 | xchg eax,[actual_fixups_size] |
||
1585 | sub eax,[actual_fixups_size] |
||
1586 | ja reserve_forward_fixups |
||
1587 | xor eax,eax |
||
1588 | reserve_forward_fixups: |
||
1589 | mov [reserved_fixups],edi |
||
1590 | add edi,eax |
||
1591 | mov [reserved_fixups_size],eax |
||
1592 | ret |
||
1593 | make_fixups: |
||
1594 | push esi |
||
370 | heavyiron | 1595 | xor ecx,ecx |
2287 | heavyiron | 1596 | xchg ecx,[number_of_relocations] |
1597 | mov esi,[free_additional_memory] |
||
370 | heavyiron | 1598 | lea eax,[ecx*5] |
1599 | sub esi,eax |
||
1600 | mov [free_additional_memory],esi |
||
1601 | mov edx,[last_fixup_base] |
||
2287 | heavyiron | 1602 | mov ebp,edi |
370 | heavyiron | 1603 | jecxz fixups_done |
2287 | heavyiron | 1604 | make_fixup: |
1605 | cmp [esi],edx |
||
370 | heavyiron | 1606 | jb store_fixup |
1607 | mov eax,edi |
||
1608 | sub eax,ebp |
||
1609 | test eax,11b |
||
1610 | jz fixups_block |
||
1611 | xor ax,ax |
||
1612 | stos word [edi] |
||
1613 | add dword [ebx],2 |
||
1614 | fixups_block: |
||
1615 | mov eax,edx |
||
1616 | add edx,1000h |
||
1617 | cmp [esi],edx |
||
1618 | jae fixups_block |
||
1619 | stos dword [edi] |
||
1620 | mov ebx,edi |
||
1621 | mov eax,8 |
||
1622 | stos dword [edi] |
||
1623 | store_fixup: |
||
1624 | add dword [ebx],2 |
||
1625 | mov ah,[esi+1] |
||
607 | heavyiron | 1626 | and ah,0Fh |
1627 | mov al,[esi+4] |
||
1628 | shl al,4 |
||
1629 | or ah,al |
||
1630 | mov al,[esi] |
||
1631 | stos word [edi] |
||
370 | heavyiron | 1632 | add esi,5 |
1633 | loop make_fixup |
||
2287 | heavyiron | 1634 | fixups_done: |
370 | heavyiron | 1635 | mov [last_fixup_base],edx |
2287 | heavyiron | 1636 | pop esi |
370 | heavyiron | 1637 | mov eax,edi |
2287 | heavyiron | 1638 | sub eax,ebp |
1639 | ret |
||
370 | heavyiron | 1640 | make_pe_resource: |
31 | halyavin | 1641 | cmp byte [esi],82h |
157 | heavyiron | 1642 | jne resource_done |
1643 | inc esi |
||
1644 | lods word [esi] |
||
1645 | cmp ax,'(' |
||
1646 | jne invalid_argument |
||
1647 | lods dword [esi] |
||
1648 | mov edx,esi |
||
1649 | lea esi,[esi+eax+1] |
||
1650 | cmp [next_pass_needed],0 |
||
1651 | je resource_from_file |
||
1652 | cmp [current_pass],0 |
||
1653 | jne reserve_space_for_resource |
||
1654 | mov [resource_size],0 |
||
1655 | reserve_space_for_resource: |
||
31 | halyavin | 1656 | add edi,[resource_size] |
157 | heavyiron | 1657 | cmp edi,[display_buffer] |
1658 | ja out_of_memory |
||
1659 | jmp resource_done |
||
1660 | resource_from_file: |
||
31 | halyavin | 1661 | push esi |
157 | heavyiron | 1662 | mov esi,edx |
1663 | call open_binary_file |
||
1664 | push ebx |
||
1665 | mov esi,[free_additional_memory] |
||
1666 | lea eax,[esi+20h] |
||
1667 | cmp eax,[structures_buffer] |
||
1668 | ja out_of_memory |
||
1669 | mov edx,esi |
||
1670 | mov ecx,20h |
||
1671 | call read |
||
1672 | jc invalid_file_format |
||
1673 | xor eax,eax |
||
1674 | cmp [esi],eax |
||
1675 | jne invalid_file_format |
||
1676 | mov ax,0FFFFh |
||
1677 | cmp [esi+8],eax |
||
1678 | jne invalid_file_format |
||
1679 | cmp [esi+12],eax |
||
1680 | jne invalid_file_format |
||
1681 | mov eax,20h |
||
1682 | cmp [esi+4],eax |
||
1683 | jne invalid_file_format |
||
1684 | read_resource_headers: |
||
31 | halyavin | 1685 | test eax,11b |
157 | heavyiron | 1686 | jz resource_file_alignment_ok |
1687 | mov edx,4 |
||
1688 | and eax,11b |
||
1689 | sub edx,eax |
||
1690 | mov al,1 |
||
1691 | call lseek |
||
1692 | resource_file_alignment_ok: |
||
31 | halyavin | 1693 | mov [esi],eax |
157 | heavyiron | 1694 | lea edx,[esi+12] |
1695 | mov ecx,8 |
||
1696 | call read |
||
1697 | jc resource_headers_ok |
||
1698 | mov ecx,[esi+16] |
||
1699 | add [esi],ecx |
||
1700 | lea edx,[esi+20] |
||
1701 | sub ecx,8 |
||
1702 | mov [esi+16],ecx |
||
1703 | lea eax,[edx+ecx] |
||
1704 | cmp eax,[structures_buffer] |
||
1705 | ja out_of_memory |
||
1706 | call read |
||
1707 | jc invalid_file_format |
||
1708 | mov edx,[esi] |
||
1709 | add edx,[esi+12] |
||
1710 | mov eax,[esi+16] |
||
1711 | lea ecx,[esi+20] |
||
1712 | lea esi,[ecx+eax] |
||
1713 | add ecx,2 |
||
1714 | cmp word [ecx-2],0FFFFh |
||
1715 | je resource_header_type_ok |
||
1716 | check_resource_header_type: |
||
31 | halyavin | 1717 | cmp ecx,esi |
157 | heavyiron | 1718 | jae invalid_file_format |
1719 | cmp word [ecx],0 |
||
1720 | je resource_header_type_ok |
||
1721 | add ecx,2 |
||
1722 | jmp check_resource_header_type |
||
1723 | resource_header_type_ok: |
||
31 | halyavin | 1724 | add ecx,2 |
157 | heavyiron | 1725 | cmp word [ecx],0FFFFh |
1726 | je resource_header_name_ok |
||
1727 | check_resource_header_name: |
||
31 | halyavin | 1728 | cmp ecx,esi |
157 | heavyiron | 1729 | jae invalid_file_format |
1730 | cmp word [ecx],0 |
||
1731 | je resource_header_name_ok |
||
1732 | add ecx,2 |
||
1733 | jmp check_resource_header_name |
||
1734 | resource_header_name_ok: |
||
31 | halyavin | 1735 | xor al,al |
157 | heavyiron | 1736 | call lseek |
1737 | jmp read_resource_headers |
||
1738 | resource_headers_ok: |
||
31 | halyavin | 1739 | xor eax,eax |
157 | heavyiron | 1740 | mov [esi],eax |
1741 | mov [resource_data],edi |
||
1742 | lea eax,[edi+16] |
||
1743 | cmp eax,[display_buffer] |
||
1744 | jae out_of_memory |
||
1745 | xor eax,eax |
||
1746 | stos dword [edi] |
||
1747 | call make_timestamp |
||
1748 | stos dword [edi] |
||
1749 | xor eax,eax |
||
1750 | stos dword [edi] |
||
1751 | stos dword [edi] |
||
1752 | xor ebx,ebx |
||
1753 | make_type_name_directory: |
||
31 | halyavin | 1754 | mov esi,[free_additional_memory] |
157 | heavyiron | 1755 | xor edx,edx |
1756 | find_type_name: |
||
31 | halyavin | 1757 | cmp dword [esi],0 |
157 | heavyiron | 1758 | je type_name_ok |
1759 | add esi,20 |
||
1760 | cmp word [esi],0FFFFh |
||
1761 | je check_next_type_name |
||
1762 | or ebx,ebx |
||
1763 | jz check_this_type_name |
||
1764 | xor ecx,ecx |
||
1765 | compare_with_previous_type_name: |
||
31 | halyavin | 1766 | mov ax,[esi+ecx] |
157 | heavyiron | 1767 | cmp ax,[ebx+ecx] |
1768 | ja check_this_type_name |
||
1769 | jb check_next_type_name |
||
1770 | add ecx,2 |
||
1771 | mov ax,[esi+ecx] |
||
1772 | or ax,[ebx+ecx] |
||
1773 | jnz compare_with_previous_type_name |
||
1774 | jmp check_next_type_name |
||
1775 | check_this_type_name: |
||
31 | halyavin | 1776 | or edx,edx |
157 | heavyiron | 1777 | jz type_name_found |
1778 | xor ecx,ecx |
||
1779 | compare_with_current_type_name: |
||
31 | halyavin | 1780 | mov ax,[esi+ecx] |
157 | heavyiron | 1781 | cmp ax,[edx+ecx] |
1782 | ja check_next_type_name |
||
1783 | jb type_name_found |
||
1784 | add ecx,2 |
||
1785 | mov ax,[esi+ecx] |
||
1786 | or ax,[edx+ecx] |
||
1787 | jnz compare_with_current_type_name |
||
1788 | jmp same_type_name |
||
1789 | type_name_found: |
||
31 | halyavin | 1790 | mov edx,esi |
157 | heavyiron | 1791 | same_type_name: |
31 | halyavin | 1792 | mov [esi-16],edi |
157 | heavyiron | 1793 | check_next_type_name: |
31 | halyavin | 1794 | mov eax,[esi-4] |
157 | heavyiron | 1795 | add esi,eax |
1796 | jmp find_type_name |
||
1797 | type_name_ok: |
||
31 | halyavin | 1798 | or edx,edx |
157 | heavyiron | 1799 | jz type_name_directory_done |
1800 | mov ebx,edx |
||
1801 | make_type_name_entry: |
||
31 | halyavin | 1802 | mov eax,[resource_data] |
157 | heavyiron | 1803 | inc word [eax+12] |
1804 | lea eax,[edi+8] |
||
1805 | cmp eax,[display_buffer] |
||
1806 | jae out_of_memory |
||
1807 | mov eax,ebx |
||
1808 | stos dword [edi] |
||
1809 | xor eax,eax |
||
1810 | stos dword [edi] |
||
1811 | jmp make_type_name_directory |
||
1812 | type_name_directory_done: |
||
31 | halyavin | 1813 | mov ebx,-1 |
157 | heavyiron | 1814 | make_type_id_directory: |
31 | halyavin | 1815 | mov esi,[free_additional_memory] |
157 | heavyiron | 1816 | mov edx,10000h |
1817 | find_type_id: |
||
31 | halyavin | 1818 | cmp dword [esi],0 |
157 | heavyiron | 1819 | je type_id_ok |
1820 | add esi,20 |
||
1821 | cmp word [esi],0FFFFh |
||
1822 | jne check_next_type_id |
||
1823 | movzx eax,word [esi+2] |
||
1824 | cmp eax,ebx |
||
1825 | jle check_next_type_id |
||
1826 | cmp eax,edx |
||
1827 | jg check_next_type_id |
||
1828 | mov edx,eax |
||
1829 | mov [esi-16],edi |
||
1830 | check_next_type_id: |
||
31 | halyavin | 1831 | mov eax,[esi-4] |
157 | heavyiron | 1832 | add esi,eax |
1833 | jmp find_type_id |
||
1834 | type_id_ok: |
||
31 | halyavin | 1835 | cmp edx,10000h |
157 | heavyiron | 1836 | je type_id_directory_done |
1837 | mov ebx,edx |
||
1838 | make_type_id_entry: |
||
31 | halyavin | 1839 | mov eax,[resource_data] |
157 | heavyiron | 1840 | inc word [eax+14] |
1841 | lea eax,[edi+8] |
||
1842 | cmp eax,[display_buffer] |
||
1843 | jae out_of_memory |
||
1844 | mov eax,ebx |
||
1845 | stos dword [edi] |
||
1846 | xor eax,eax |
||
1847 | stos dword [edi] |
||
1848 | jmp make_type_id_directory |
||
1849 | type_id_directory_done: |
||
31 | halyavin | 1850 | mov esi,[resource_data] |
157 | heavyiron | 1851 | add esi,10h |
1852 | mov ecx,[esi-4] |
||
1853 | or cx,cx |
||
1854 | jz resource_directories_ok |
||
1855 | make_resource_directories: |
||
31 | halyavin | 1856 | push ecx |
157 | heavyiron | 1857 | push edi |
1858 | mov edx,edi |
||
1859 | sub edx,[resource_data] |
||
1860 | bts edx,31 |
||
1861 | mov [esi+4],edx |
||
1862 | lea eax,[edi+16] |
||
1863 | cmp eax,[display_buffer] |
||
1864 | jae out_of_memory |
||
1865 | xor eax,eax |
||
1866 | stos dword [edi] |
||
1867 | call make_timestamp |
||
1868 | stos dword [edi] |
||
1869 | xor eax,eax |
||
1870 | stos dword [edi] |
||
1871 | stos dword [edi] |
||
1872 | mov ebp,esi |
||
1873 | xor ebx,ebx |
||
1874 | make_resource_name_directory: |
||
31 | halyavin | 1875 | mov esi,[free_additional_memory] |
157 | heavyiron | 1876 | xor edx,edx |
1877 | find_resource_name: |
||
31 | halyavin | 1878 | cmp dword [esi],0 |
157 | heavyiron | 1879 | je resource_name_ok |
1880 | push esi |
||
1881 | cmp [esi+4],ebp |
||
1882 | jne check_next_resource_name |
||
1883 | add esi,20 |
||
1884 | call skip_resource_name |
||
1885 | cmp word [esi],0FFFFh |
||
1886 | je check_next_resource_name |
||
1887 | or ebx,ebx |
||
1888 | jz check_this_resource_name |
||
1889 | xor ecx,ecx |
||
1890 | compare_with_previous_resource_name: |
||
31 | halyavin | 1891 | mov ax,[esi+ecx] |
157 | heavyiron | 1892 | cmp ax,[ebx+ecx] |
1893 | ja check_this_resource_name |
||
1894 | jb check_next_resource_name |
||
1895 | add ecx,2 |
||
1896 | mov ax,[esi+ecx] |
||
1897 | or ax,[ebx+ecx] |
||
1898 | jnz compare_with_previous_resource_name |
||
1899 | jmp check_next_resource_name |
||
1900 | skip_resource_name: |
||
31 | halyavin | 1901 | cmp word [esi],0FFFFh |
157 | heavyiron | 1902 | jne skip_unicode_string |
1903 | add esi,4 |
||
1904 | ret |
||
1905 | skip_unicode_string: |
||
31 | halyavin | 1906 | add esi,2 |
157 | heavyiron | 1907 | cmp word [esi-2],0 |
1908 | jne skip_unicode_string |
||
1909 | ret |
||
1910 | check_this_resource_name: |
||
31 | halyavin | 1911 | or edx,edx |
157 | heavyiron | 1912 | jz resource_name_found |
1913 | xor ecx,ecx |
||
1914 | compare_with_current_resource_name: |
||
31 | halyavin | 1915 | mov ax,[esi+ecx] |
157 | heavyiron | 1916 | cmp ax,[edx+ecx] |
1917 | ja check_next_resource_name |
||
1918 | jb resource_name_found |
||
1919 | add ecx,2 |
||
1920 | mov ax,[esi+ecx] |
||
1921 | or ax,[edx+ecx] |
||
1922 | jnz compare_with_current_resource_name |
||
1923 | jmp same_resource_name |
||
1924 | resource_name_found: |
||
31 | halyavin | 1925 | mov edx,esi |
157 | heavyiron | 1926 | same_resource_name: |
31 | halyavin | 1927 | mov eax,[esp] |
157 | heavyiron | 1928 | mov [eax+8],edi |
1929 | check_next_resource_name: |
||
31 | halyavin | 1930 | pop esi |
157 | heavyiron | 1931 | mov eax,[esi+16] |
1932 | lea esi,[esi+20+eax] |
||
1933 | jmp find_resource_name |
||
1934 | resource_name_ok: |
||
31 | halyavin | 1935 | or edx,edx |
157 | heavyiron | 1936 | jz resource_name_directory_done |
1937 | mov ebx,edx |
||
1938 | make_resource_name_entry: |
||
31 | halyavin | 1939 | mov eax,[esp] |
157 | heavyiron | 1940 | inc word [eax+12] |
1941 | lea eax,[edi+8] |
||
1942 | cmp eax,[display_buffer] |
||
1943 | jae out_of_memory |
||
1944 | mov eax,ebx |
||
1945 | stos dword [edi] |
||
1946 | xor eax,eax |
||
1947 | stos dword [edi] |
||
1948 | jmp make_resource_name_directory |
||
1949 | resource_name_directory_done: |
||
31 | halyavin | 1950 | mov ebx,-1 |
157 | heavyiron | 1951 | make_resource_id_directory: |
31 | halyavin | 1952 | mov esi,[free_additional_memory] |
157 | heavyiron | 1953 | mov edx,10000h |
1954 | find_resource_id: |
||
31 | halyavin | 1955 | cmp dword [esi],0 |
157 | heavyiron | 1956 | je resource_id_ok |
1957 | push esi |
||
1958 | cmp [esi+4],ebp |
||
1959 | jne check_next_resource_id |
||
1960 | add esi,20 |
||
1961 | call skip_resource_name |
||
1962 | cmp word [esi],0FFFFh |
||
1963 | jne check_next_resource_id |
||
1964 | movzx eax,word [esi+2] |
||
1965 | cmp eax,ebx |
||
1966 | jle check_next_resource_id |
||
1967 | cmp eax,edx |
||
1968 | jg check_next_resource_id |
||
1969 | mov edx,eax |
||
1970 | mov eax,[esp] |
||
1971 | mov [eax+8],edi |
||
1972 | check_next_resource_id: |
||
31 | halyavin | 1973 | pop esi |
157 | heavyiron | 1974 | mov eax,[esi+16] |
1975 | lea esi,[esi+20+eax] |
||
1976 | jmp find_resource_id |
||
1977 | resource_id_ok: |
||
31 | halyavin | 1978 | cmp edx,10000h |
157 | heavyiron | 1979 | je resource_id_directory_done |
1980 | mov ebx,edx |
||
1981 | make_resource_id_entry: |
||
31 | halyavin | 1982 | mov eax,[esp] |
157 | heavyiron | 1983 | inc word [eax+14] |
1984 | lea eax,[edi+8] |
||
1985 | cmp eax,[display_buffer] |
||
1986 | jae out_of_memory |
||
1987 | mov eax,ebx |
||
1988 | stos dword [edi] |
||
1989 | xor eax,eax |
||
1990 | stos dword [edi] |
||
1991 | jmp make_resource_id_directory |
||
1992 | resource_id_directory_done: |
||
31 | halyavin | 1993 | pop eax |
157 | heavyiron | 1994 | mov esi,ebp |
1995 | pop ecx |
||
1996 | add esi,8 |
||
1997 | dec cx |
||
1998 | jnz make_resource_directories |
||
1999 | resource_directories_ok: |
||
31 | halyavin | 2000 | shr ecx,16 |
157 | heavyiron | 2001 | jnz make_resource_directories |
2002 | mov esi,[resource_data] |
||
2003 | add esi,10h |
||
2004 | movzx eax,word [esi-4] |
||
2005 | movzx edx,word [esi-2] |
||
2006 | add eax,edx |
||
2007 | lea esi,[esi+eax*8] |
||
2008 | push edi ; address of language directories |
||
2009 | update_resource_directories: |
||
31 | halyavin | 2010 | cmp esi,[esp] |
157 | heavyiron | 2011 | je resource_directories_updated |
2012 | add esi,10h |
||
2013 | mov ecx,[esi-4] |
||
2014 | or cx,cx |
||
2015 | jz language_directories_ok |
||
2016 | make_language_directories: |
||
31 | halyavin | 2017 | push ecx |
157 | heavyiron | 2018 | push edi |
2019 | mov edx,edi |
||
2020 | sub edx,[resource_data] |
||
2021 | bts edx,31 |
||
2022 | mov [esi+4],edx |
||
2023 | lea eax,[edi+16] |
||
2024 | cmp eax,[display_buffer] |
||
2025 | jae out_of_memory |
||
2026 | xor eax,eax |
||
2027 | stos dword [edi] |
||
2028 | call make_timestamp |
||
2029 | stos dword [edi] |
||
2030 | xor eax,eax |
||
2031 | stos dword [edi] |
||
2032 | stos dword [edi] |
||
2033 | mov ebp,esi |
||
2034 | mov ebx,-1 |
||
2035 | make_language_id_directory: |
||
31 | halyavin | 2036 | mov esi,[free_additional_memory] |
157 | heavyiron | 2037 | mov edx,10000h |
2038 | find_language_id: |
||
31 | halyavin | 2039 | cmp dword [esi],0 |
157 | heavyiron | 2040 | je language_id_ok |
2041 | push esi |
||
2042 | cmp [esi+8],ebp |
||
2043 | jne check_next_language_id |
||
2044 | add esi,20 |
||
2045 | mov eax,esi |
||
2046 | call skip_resource_name |
||
2047 | call skip_resource_name |
||
2048 | neg eax |
||
2049 | add eax,esi |
||
2050 | and eax,11b |
||
2051 | add esi,eax |
||
2052 | get_language_id: |
||
31 | halyavin | 2053 | movzx eax,word [esi+6] |
157 | heavyiron | 2054 | cmp eax,ebx |
2055 | jle check_next_language_id |
||
2056 | cmp eax,edx |
||
2057 | jge check_next_language_id |
||
2058 | mov edx,eax |
||
2059 | mov eax,[esp] |
||
2060 | mov dword [value],eax |
||
992 | heavyiron | 2061 | check_next_language_id: |
31 | halyavin | 2062 | pop esi |
157 | heavyiron | 2063 | mov eax,[esi+16] |
2064 | lea esi,[esi+20+eax] |
||
2065 | jmp find_language_id |
||
2066 | language_id_ok: |
||
31 | halyavin | 2067 | cmp edx,10000h |
157 | heavyiron | 2068 | je language_id_directory_done |
2069 | mov ebx,edx |
||
2070 | make_language_id_entry: |
||
31 | halyavin | 2071 | mov eax,[esp] |
157 | heavyiron | 2072 | inc word [eax+14] |
2073 | lea eax,[edi+8] |
||
2074 | cmp eax,[display_buffer] |
||
2075 | jae out_of_memory |
||
2076 | mov eax,ebx |
||
2077 | stos dword [edi] |
||
2078 | mov eax,dword [value] |
||
992 | heavyiron | 2079 | stos dword [edi] |
157 | heavyiron | 2080 | jmp make_language_id_directory |
2081 | language_id_directory_done: |
||
31 | halyavin | 2082 | pop eax |
157 | heavyiron | 2083 | mov esi,ebp |
2084 | pop ecx |
||
2085 | add esi,8 |
||
2086 | dec cx |
||
2087 | jnz make_language_directories |
||
2088 | language_directories_ok: |
||
31 | halyavin | 2089 | shr ecx,16 |
157 | heavyiron | 2090 | jnz make_language_directories |
2091 | jmp update_resource_directories |
||
2092 | resource_directories_updated: |
||
31 | halyavin | 2093 | mov esi,[resource_data] |
157 | heavyiron | 2094 | push edi |
2095 | make_name_strings: |
||
31 | halyavin | 2096 | add esi,10h |
157 | heavyiron | 2097 | movzx eax,word [esi-2] |
2098 | movzx ecx,word [esi-4] |
||
2099 | add eax,ecx |
||
2100 | lea eax,[esi+eax*8] |
||
2101 | push eax |
||
2102 | or ecx,ecx |
||
2103 | jz string_entries_processed |
||
2104 | process_string_entries: |
||
31 | halyavin | 2105 | push ecx |
157 | heavyiron | 2106 | mov edx,edi |
2107 | sub edx,[resource_data] |
||
2108 | bts edx,31 |
||
2109 | xchg [esi],edx |
||
2110 | mov ebx,edi |
||
2111 | xor ax,ax |
||
2112 | stos word [edi] |
||
2113 | copy_string_data: |
||
31 | halyavin | 2114 | lea eax,[edi+2] |
157 | heavyiron | 2115 | cmp eax,[display_buffer] |
2116 | jae out_of_memory |
||
2117 | mov ax,[edx] |
||
2118 | or ax,ax |
||
2119 | jz string_data_copied |
||
2120 | stos word [edi] |
||
2121 | inc word [ebx] |
||
2122 | add edx,2 |
||
2123 | jmp copy_string_data |
||
2124 | string_data_copied: |
||
31 | halyavin | 2125 | add esi,8 |
157 | heavyiron | 2126 | pop ecx |
2127 | loop process_string_entries |
||
2128 | string_entries_processed: |
||
31 | halyavin | 2129 | pop esi |
157 | heavyiron | 2130 | cmp esi,[esp] |
2131 | jb make_name_strings |
||
2132 | mov eax,edi |
||
2133 | sub eax,[resource_data] |
||
2134 | test al,11b |
||
2135 | jz resource_strings_alignment_ok |
||
2136 | xor ax,ax |
||
2137 | stos word [edi] |
||
2138 | resource_strings_alignment_ok: |
||
31 | halyavin | 2139 | pop edx |
157 | heavyiron | 2140 | pop ebx ; address of language directories |
2141 | mov ebp,edi |
||
2142 | update_language_directories: |
||
31 | halyavin | 2143 | add ebx,10h |
157 | heavyiron | 2144 | movzx eax,word [ebx-2] |
2145 | movzx ecx,word [ebx-4] |
||
2146 | add ecx,eax |
||
2147 | make_data_records: |
||
31 | halyavin | 2148 | push ecx |
157 | heavyiron | 2149 | mov esi,edi |
2150 | sub esi,[resource_data] |
||
2151 | xchg esi,[ebx+4] |
||
2152 | lea eax,[edi+16] |
||
2153 | cmp eax,[display_buffer] |
||
2154 | jae out_of_memory |
||
2155 | mov eax,esi |
||
2156 | stos dword [edi] |
||
2157 | mov eax,[esi+12] |
||
2158 | stos dword [edi] |
||
2159 | xor eax,eax |
||
2160 | stos dword [edi] |
||
2161 | stos dword [edi] |
||
2162 | pop ecx |
||
2163 | add ebx,8 |
||
2164 | loop make_data_records |
||
2165 | cmp ebx,edx |
||
2166 | jb update_language_directories |
||
2167 | pop ebx ; file handle |
||
2168 | mov esi,ebp |
||
2169 | mov ebp,edi |
||
2170 | update_data_records: |
||
31 | halyavin | 2171 | push ebp |
157 | heavyiron | 2172 | mov ecx,edi |
2173 | mov eax,[current_section] |
||
2174 | sub ecx,[eax+14h] |
||
2175 | add ecx,[eax+0Ch] |
||
2176 | xchg ecx,[esi] |
||
2177 | mov edx,[ecx] |
||
2178 | xor al,al |
||
2179 | call lseek |
||
2180 | mov edx,edi |
||
2181 | mov ecx,[esi+4] |
||
2182 | add edi,ecx |
||
2183 | cmp edi,[display_buffer] |
||
2184 | ja out_of_memory |
||
2185 | call read |
||
2186 | mov eax,edi |
||
2187 | sub eax,[resource_data] |
||
2188 | and eax,11b |
||
2189 | jz resource_data_alignment_ok |
||
2190 | mov ecx,4 |
||
2191 | sub ecx,eax |
||
2192 | xor al,al |
||
2193 | rep stos byte [edi] |
||
2194 | resource_data_alignment_ok: |
||
31 | halyavin | 2195 | pop ebp |
157 | heavyiron | 2196 | add esi,16 |
2197 | cmp esi,ebp |
||
2198 | jb update_data_records |
||
2199 | pop esi |
||
2200 | call close |
||
2201 | mov eax,edi |
||
2202 | sub eax,[resource_data] |
||
2203 | mov [resource_size],eax |
||
2204 | resource_done: |
||
31 | halyavin | 2205 | ret |
157 | heavyiron | 2206 | close_pe: |
31 | halyavin | 2207 | call close_pe_section |
157 | heavyiron | 2208 | mov edx,[code_start] |
2209 | mov [edx+50h],eax |
||
2210 | call make_timestamp |
||
2211 | mov edx,[code_start] |
||
2212 | mov [edx+8],eax |
||
2213 | mov eax,[number_of_sections] |
||
2214 | mov [edx+6],ax |
||
2215 | imul eax,28h |
||
2216 | movzx ecx,word [edx+14h] |
||
2217 | lea eax,[eax+18h+ecx] |
||
2218 | add eax,[stub_size] |
||
2219 | mov ecx,[edx+3Ch] |
||
2220 | dec ecx |
||
2221 | add eax,ecx |
||
2222 | not ecx |
||
2223 | and eax,ecx |
||
2224 | cmp eax,[edx+54h] |
||
2225 | je pe_sections_ok |
||
2226 | or [next_pass_needed],-1 |
||
2227 | pe_sections_ok: |
||
31 | halyavin | 2228 | xor ecx,ecx |
157 | heavyiron | 2229 | add edx,78h |
2230 | test [format_flags],4 |
||
2287 | heavyiron | 2231 | jz process_directories |
157 | heavyiron | 2232 | add edx,10h |
2233 | process_directories: |
||
31 | halyavin | 2234 | mov eax,[edx+ecx*8] |
157 | heavyiron | 2235 | or eax,eax |
2236 | jz directory_ok |
||
2237 | cmp dword [edx+ecx*8+4],-1 |
||
2238 | jne directory_ok |
||
2239 | section_data: |
||
31 | halyavin | 2240 | mov ebx,[edx+ecx*8] |
157 | heavyiron | 2241 | mov eax,[ebx+0Ch] |
2242 | mov [edx+ecx*8],eax ; directory rva |
||
2243 | mov eax,[ebx+8] |
||
2244 | mov [edx+ecx*8+4],eax ; directory size |
||
2245 | directory_ok: |
||
31 | halyavin | 2246 | inc cl |
157 | heavyiron | 2247 | cmp cl,10h |
2248 | jb process_directories |
||
2249 | cmp dword [edx+5*8],0 |
||
2287 | heavyiron | 2250 | jne finish_pe_relocations |
2251 | mov eax,[number_of_relocations] |
||
2252 | shl eax,2 |
||
2253 | sub [free_additional_memory],eax |
||
2254 | btr [resolver_flags],0 |
||
2255 | jnc pe_relocations_ok |
||
2256 | or [next_pass_needed],-1 |
||
2257 | jmp pe_relocations_ok |
||
2258 | finish_pe_relocations: |
||
2259 | push edi |
||
2260 | mov edi,[reserved_fixups] |
||
2261 | call make_fixups |
||
2262 | pop edi |
||
2263 | add [actual_fixups_size],eax |
||
2264 | cmp eax,[reserved_fixups_size] |
||
2265 | je pe_relocations_ok |
||
2266 | or [next_pass_needed],-1 |
||
2267 | pe_relocations_ok: |
||
2268 | mov ebx,[code_start] |
||
157 | heavyiron | 2269 | sub ebx,[stub_size] |
2270 | mov ecx,edi |
||
2271 | sub ecx,ebx |
||
2272 | mov ebp,ecx |
||
2273 | shr ecx,1 |
||
2274 | xor eax,eax |
||
2275 | cdq |
||
2276 | calculate_checksum: |
||
31 | halyavin | 2277 | mov dx,[ebx] |
157 | heavyiron | 2278 | add eax,edx |
2279 | mov dx,ax |
||
2280 | shr eax,16 |
||
2281 | add eax,edx |
||
2282 | add ebx,2 |
||
2283 | loop calculate_checksum |
||
2284 | add eax,ebp |
||
2285 | mov ebx,[code_start] |
||
2286 | mov [ebx+58h],eax |
||
2287 | ret |
||
2288 | |||
31 | halyavin | 2289 | |
2290 | mov eax,[additional_memory] |
||
157 | heavyiron | 2291 | mov [symbols_stream],eax |
2292 | mov ebx,eax |
||
2293 | add eax,20h |
||
2294 | cmp eax,[structures_buffer] |
||
2295 | jae out_of_memory |
||
2296 | mov [free_additional_memory],eax |
||
2297 | xor eax,eax |
||
2298 | mov [ebx],al |
||
2299 | mov [ebx+4],eax |
||
2300 | mov [ebx+8],edi |
||
2301 | mov al,4 |
||
2302 | mov [ebx+10h],eax |
||
2303 | mov al,60h |
||
2304 | bt [format_flags],0 |
||
2305 | jnc flat_section_flags_ok |
||
2306 | or eax,0E0000000h |
||
2307 | flat_section_flags_ok: |
||
31 | halyavin | 2308 | mov dword [ebx+14h],eax |
157 | heavyiron | 2309 | mov [current_section],ebx |
2310 | xor eax,eax |
||
1115 | heavyiron | 2311 | mov [number_of_sections],eax |
2312 | mov dword [org_origin],edi |
||
157 | heavyiron | 2313 | mov dword [org_origin+4],eax |
1115 | heavyiron | 2314 | mov [org_registers],eax |
2315 | mov [org_start],edi |
||
157 | heavyiron | 2316 | mov [org_symbol],ebx |
2317 | mov [labels_type],2 |
||
2318 | mov [code_type],32 |
||
2319 | test [format_flags],8 |
||
2320 | jz format_defined |
||
607 | heavyiron | 2321 | mov [labels_type],4 |
157 | heavyiron | 2322 | mov [code_type],64 |
2323 | jmp format_defined |
||
607 | heavyiron | 2324 | coff_section: |
31 | halyavin | 2325 | call close_coff_section |
157 | heavyiron | 2326 | mov ebx,[free_additional_memory] |
2327 | lea eax,[ebx+20h] |
||
2328 | cmp eax,[structures_buffer] |
||
2329 | jae out_of_memory |
||
2330 | mov [free_additional_memory],eax |
||
2331 | mov [current_section],ebx |
||
2332 | inc [number_of_sections] |
||
2333 | xor eax,eax |
||
2334 | mov [ebx],al |
||
2335 | mov [ebx+8],edi |
||
2336 | mov dword [org_origin],edi |
||
2337 | mov dword [org_origin+4],eax |
||
1115 | heavyiron | 2338 | mov [org_registers],eax |
2339 | mov [org_start],edi |
||
157 | heavyiron | 2340 | mov [org_symbol],ebx |
2341 | mov [labels_type],2 |
||
2342 | test [format_flags],8 |
||
2343 | jz coff_labels_type_ok |
||
2344 | mov [labels_type],4 |
||
2345 | coff_labels_type_ok: |
||
31 | halyavin | 2346 | mov [ebx+10h],eax |
157 | heavyiron | 2347 | mov [ebx+14h],eax |
2348 | lods word [esi] |
||
2349 | cmp ax,'(' |
||
2350 | jne invalid_argument |
||
2351 | mov [ebx+4],esi |
||
2352 | mov ecx,[esi] |
||
2353 | lea esi,[esi+4+ecx+1] |
||
2354 | cmp ecx,8 |
||
2355 | ja name_too_long |
||
2356 | coff_section_flags: |
||
31 | halyavin | 2357 | cmp byte [esi],8Ch |
2287 | heavyiron | 2358 | je coff_section_alignment |
157 | heavyiron | 2359 | cmp byte [esi],19h |
2360 | jne coff_section_settings_ok |
||
2361 | inc esi |
||
2362 | lods byte [esi] |
||
2363 | bt [format_flags],0 |
||
2364 | jc coff_section_flag_ok |
||
2365 | cmp al,7 |
||
2366 | ja invalid_argument |
||
2367 | coff_section_flag_ok: |
||
31 | halyavin | 2368 | mov cl,al |
157 | heavyiron | 2369 | mov eax,1 |
2370 | shl eax,cl |
||
2371 | test dword [ebx+14h],eax |
||
2372 | jnz setting_already_specified |
||
2373 | or dword [ebx+14h],eax |
||
2374 | jmp coff_section_flags |
||
2375 | coff_section_alignment: |
||
31 | halyavin | 2376 | bt [format_flags],0 |
157 | heavyiron | 2377 | jnc invalid_argument |
2378 | inc esi |
||
2379 | lods byte [esi] |
||
2380 | cmp al,'(' |
||
2381 | jne invalid_argument |
||
2382 | cmp byte [esi],'.' |
||
2383 | je invalid_value |
||
2384 | push ebx |
||
2385 | call get_count_value |
||
2287 | heavyiron | 2386 | pop ebx |
157 | heavyiron | 2387 | mov edx,eax |
2388 | dec edx |
||
2389 | test eax,edx |
||
2390 | jnz invalid_value |
||
2391 | or eax,eax |
||
2392 | jz invalid_value |
||
2393 | cmp eax,2000h |
||
2394 | ja invalid_value |
||
2395 | bsf edx,eax |
||
2396 | inc edx |
||
2397 | shl edx,20 |
||
2398 | or [ebx+14h],edx |
||
2399 | xchg [ebx+10h],eax |
||
2400 | or eax,eax |
||
2401 | jnz setting_already_specified |
||
2402 | jmp coff_section_flags |
||
2403 | coff_section_settings_ok: |
||
31 | halyavin | 2404 | cmp dword [ebx+10h],0 |
157 | heavyiron | 2405 | jne instruction_assembled |
2406 | mov dword [ebx+10h],4 |
||
2407 | bt [format_flags],0 |
||
2408 | jnc instruction_assembled |
||
2409 | or dword [ebx+14h],300000h |
||
2410 | jmp instruction_assembled |
||
2411 | close_coff_section: |
||
31 | halyavin | 2412 | mov ebx,[current_section] |
157 | heavyiron | 2413 | mov eax,edi |
2414 | mov edx,[ebx+8] |
||
2415 | sub eax,edx |
||
2416 | mov [ebx+0Ch],eax |
||
2417 | xor eax,eax |
||
2418 | xchg [undefined_data_end],eax |
||
2419 | cmp eax,edi |
||
2420 | jne coff_section_ok |
||
2421 | cmp edx,[undefined_data_start] |
||
2422 | jne coff_section_ok |
||
2423 | mov edi,edx |
||
2424 | or byte [ebx+14h],80h |
||
2425 | coff_section_ok: |
||
31 | halyavin | 2426 | ret |
157 | heavyiron | 2427 | mark_coff_relocation: |
31 | halyavin | 2428 | cmp [value_type],3 |
157 | heavyiron | 2429 | je coff_relocation_relative |
2430 | push ebx eax |
||
2431 | test [format_flags],8 |
||
2432 | jnz coff_64bit_relocation |
||
2433 | mov al,6 |
||
2434 | cmp [value_type],5 |
||
992 | heavyiron | 2435 | jne coff_relocation |
2436 | inc al |
||
2437 | jmp coff_relocation |
||
157 | heavyiron | 2438 | coff_64bit_relocation: |
31 | halyavin | 2439 | mov al,1 |
157 | heavyiron | 2440 | cmp [value_type],4 |
2441 | je coff_relocation |
||
2442 | mov al,2 |
||
2443 | cmp [value_type],5 |
||
992 | heavyiron | 2444 | jne coff_relocation |
2445 | inc al |
||
2446 | jmp coff_relocation |
||
157 | heavyiron | 2447 | coff_relocation_relative: |
31 | halyavin | 2448 | push ebx |
157 | heavyiron | 2449 | bt [format_flags],0 |
2450 | jnc relative_ok |
||
2451 | mov ebx,[current_section] |
||
2452 | mov ebx,[ebx+8] |
||
2453 | sub ebx,edi |
||
2454 | sub eax,ebx |
||
2455 | add eax,4 |
||
2456 | relative_ok: |
||
31 | halyavin | 2457 | push eax |
157 | heavyiron | 2458 | mov al,20 |
2459 | test [format_flags],8 |
||
2460 | jnz relative_coff_64bit_relocation |
||
2461 | cmp [labels_type],2 |
||
2462 | jne invalid_use_of_symbol |
||
2463 | jmp coff_relocation |
||
2464 | relative_coff_64bit_relocation: |
||
31 | halyavin | 2465 | mov al,4 |
157 | heavyiron | 2466 | cmp [labels_type],4 |
2467 | jne invalid_use_of_symbol |
||
2468 | coff_relocation: |
||
31 | halyavin | 2469 | mov ebx,[free_additional_memory] |
157 | heavyiron | 2470 | add ebx,0Ch |
2471 | cmp ebx,[structures_buffer] |
||
2472 | jae out_of_memory |
||
2473 | mov [free_additional_memory],ebx |
||
2474 | mov byte [ebx-0Ch],al |
||
2475 | mov eax,[current_section] |
||
2476 | mov eax,[eax+8] |
||
2477 | neg eax |
||
2478 | add eax,edi |
||
2479 | mov [ebx-0Ch+4],eax |
||
2480 | mov eax,[symbol_identifier] |
||
2481 | mov [ebx-0Ch+8],eax |
||
2482 | pop eax ebx |
||
2483 | ret |
||
2484 | close_coff: |
||
31 | halyavin | 2485 | call close_coff_section |
157 | heavyiron | 2486 | cmp [next_pass_needed],0 |
2487 | je coff_closed |
||
2488 | mov eax,[symbols_stream] |
||
2489 | mov [free_additional_memory],eax |
||
2490 | coff_closed: |
||
31 | halyavin | 2491 | ret |
157 | heavyiron | 2492 | coff_formatter: |
31 | halyavin | 2493 | sub edi,[code_start] |
157 | heavyiron | 2494 | mov [code_size],edi |
2495 | call prepare_default_section |
||
2496 | mov edi,[free_additional_memory] |
||
2497 | mov ebx,edi |
||
2498 | mov ecx,28h shr 2 |
||
2499 | imul ecx,[number_of_sections] |
||
2500 | add ecx,14h shr 2 |
||
2501 | lea eax,[edi+ecx*4] |
||
2502 | cmp eax,[structures_buffer] |
||
2503 | jae out_of_memory |
||
2504 | xor eax,eax |
||
2505 | rep stos dword [edi] |
||
2506 | mov word [ebx],14Ch |
||
2507 | test [format_flags],8 |
||
2508 | jz coff_magic_ok |
||
2509 | mov word [ebx],8664h |
||
2510 | coff_magic_ok: |
||
31 | halyavin | 2511 | mov word [ebx+12h],104h |
157 | heavyiron | 2512 | bt [format_flags],0 |
2513 | jnc coff_flags_ok |
||
2514 | or byte [ebx+12h],80h |
||
2515 | coff_flags_ok: |
||
31 | halyavin | 2516 | push ebx |
157 | heavyiron | 2517 | call make_timestamp |
2518 | pop ebx |
||
2519 | mov [ebx+4],eax |
||
2520 | mov eax,[number_of_sections] |
||
2521 | mov [ebx+2],ax |
||
2522 | mov esi,[symbols_stream] |
||
2523 | xor eax,eax |
||
2524 | xor ecx,ecx |
||
2525 | enumerate_symbols: |
||
31 | halyavin | 2526 | cmp esi,[free_additional_memory] |
157 | heavyiron | 2527 | je symbols_enumerated |
2528 | mov dl,[esi] |
||
2529 | or dl,dl |
||
2530 | jz enumerate_section |
||
2531 | cmp dl,0C0h |
||
624 | heavyiron | 2532 | jae enumerate_public |
2533 | cmp dl,80h |
||
157 | heavyiron | 2534 | jae enumerate_extrn |
624 | heavyiron | 2535 | add esi,0Ch |
157 | heavyiron | 2536 | jmp enumerate_symbols |
2537 | enumerate_section: |
||
31 | halyavin | 2538 | mov edx,eax |
157 | heavyiron | 2539 | shl edx,8 |
2540 | mov [esi],edx |
||
2541 | inc eax |
||
2542 | inc ecx |
||
2543 | mov [esi+1Eh],cx |
||
2544 | add esi,20h |
||
2545 | jmp enumerate_symbols |
||
2546 | enumerate_public: |
||
31 | halyavin | 2547 | mov edx,eax |
157 | heavyiron | 2548 | shl edx,8 |
2549 | mov dl,[esi] |
||
624 | heavyiron | 2550 | mov [esi],edx |
157 | heavyiron | 2551 | mov edx,[esi+8] |
2552 | add esi,10h |
||
2553 | inc eax |
||
2554 | cmp byte [edx+11],2 |
||
2555 | jne enumerate_symbols |
||
2556 | mov edx,[edx+20] |
||
2557 | cmp byte [edx],0C0h |
||
624 | heavyiron | 2558 | jae enumerate_symbols |
2559 | cmp byte [edx],80h |
||
2560 | jb enumerate_symbols |
||
2561 | inc eax |
||
157 | heavyiron | 2562 | jmp enumerate_symbols |
2563 | enumerate_extrn: |
||
31 | halyavin | 2564 | mov edx,eax |
157 | heavyiron | 2565 | shl edx,8 |
2566 | mov dl,[esi] |
||
624 | heavyiron | 2567 | mov [esi],edx |
157 | heavyiron | 2568 | add esi,0Ch |
2569 | inc eax |
||
2570 | jmp enumerate_symbols |
||
2571 | prepare_default_section: |
||
31 | halyavin | 2572 | mov ebx,[symbols_stream] |
157 | heavyiron | 2573 | cmp dword [ebx+0Ch],0 |
2574 | jne default_section_ok |
||
2575 | cmp [number_of_sections],0 |
||
2576 | je default_section_ok |
||
2577 | mov edx,ebx |
||
2578 | find_references_to_default_section: |
||
31 | halyavin | 2579 | cmp ebx,[free_additional_memory] |
157 | heavyiron | 2580 | jne check_reference |
2581 | add [symbols_stream],20h |
||
2582 | ret |
||
2583 | check_reference: |
||
31 | halyavin | 2584 | mov al,[ebx] |
157 | heavyiron | 2585 | or al,al |
2586 | jz skip_other_section |
||
2587 | cmp al,0C0h |
||
624 | heavyiron | 2588 | jae check_public_reference |
2589 | cmp al,80h |
||
157 | heavyiron | 2590 | jae next_reference |
624 | heavyiron | 2591 | cmp edx,[ebx+8] |
157 | heavyiron | 2592 | je default_section_ok |
2593 | next_reference: |
||
31 | halyavin | 2594 | add ebx,0Ch |
157 | heavyiron | 2595 | jmp find_references_to_default_section |
2596 | check_public_reference: |
||
31 | halyavin | 2597 | mov eax,[ebx+8] |
157 | heavyiron | 2598 | add ebx,10h |
2599 | test byte [eax+8],1 |
||
2600 | jz find_references_to_default_section |
||
2601 | mov cx,[current_pass] |
||
2602 | cmp cx,[eax+16] |
||
2603 | jne find_references_to_default_section |
||
2604 | cmp edx,[eax+20] |
||
2605 | je default_section_ok |
||
2606 | jmp find_references_to_default_section |
||
2607 | skip_other_section: |
||
31 | halyavin | 2608 | add ebx,20h |
157 | heavyiron | 2609 | jmp find_references_to_default_section |
2610 | default_section_ok: |
||
31 | halyavin | 2611 | inc [number_of_sections] |
157 | heavyiron | 2612 | ret |
2613 | symbols_enumerated: |
||
31 | halyavin | 2614 | mov [ebx+0Ch],eax |
157 | heavyiron | 2615 | mov ebp,edi |
2616 | sub ebp,ebx |
||
2617 | push ebp |
||
2618 | lea edi,[ebx+14h] |
||
2619 | mov esi,[symbols_stream] |
||
2620 | find_section: |
||
31 | halyavin | 2621 | cmp esi,[free_additional_memory] |
157 | heavyiron | 2622 | je sections_finished |
2623 | mov al,[esi] |
||
2624 | or al,al |
||
2625 | jz section_found |
||
2626 | add esi,0Ch |
||
2627 | cmp al,0C0h |
||
624 | heavyiron | 2628 | jb find_section |
2629 | add esi,4 |
||
157 | heavyiron | 2630 | jmp find_section |
2631 | section_found: |
||
31 | halyavin | 2632 | push esi edi |
157 | heavyiron | 2633 | mov esi,[esi+4] |
2634 | or esi,esi |
||
2635 | jz default_section |
||
2636 | mov ecx,[esi] |
||
2637 | add esi,4 |
||
2638 | rep movs byte [edi],[esi] |
||
2639 | jmp section_name_ok |
||
2640 | default_section: |
||
31 | halyavin | 2641 | mov al,'.' |
157 | heavyiron | 2642 | stos byte [edi] |
2643 | mov eax,'flat' |
||
2644 | stos dword [edi] |
||
2645 | section_name_ok: |
||
31 | halyavin | 2646 | pop edi esi |
157 | heavyiron | 2647 | mov eax,[esi+0Ch] |
2648 | mov [edi+10h],eax |
||
2649 | mov eax,[esi+14h] |
||
2650 | mov [edi+24h],eax |
||
2651 | test al,80h |
||
2652 | jnz section_ptr_ok |
||
2653 | mov eax,[esi+8] |
||
2654 | sub eax,[code_start] |
||
2655 | add eax,ebp |
||
2656 | mov [edi+14h],eax |
||
2657 | section_ptr_ok: |
||
31 | halyavin | 2658 | mov ebx,[code_start] |
157 | heavyiron | 2659 | mov edx,[code_size] |
2660 | add ebx,edx |
||
2661 | add edx,ebp |
||
2662 | xor ecx,ecx |
||
2663 | add esi,20h |
||
2664 | find_relocations: |
||
31 | halyavin | 2665 | cmp esi,[free_additional_memory] |
157 | heavyiron | 2666 | je section_relocations_done |
2667 | mov al,[esi] |
||
2668 | or al,al |
||
2669 | jz section_relocations_done |
||
2670 | cmp al,80h |
||
2671 | jb add_relocation |
||
2672 | cmp al,0C0h |
||
624 | heavyiron | 2673 | jb next_relocation |
2674 | add esi,10h |
||
157 | heavyiron | 2675 | jmp find_relocations |
2676 | add_relocation: |
||
31 | halyavin | 2677 | lea eax,[ebx+0Ah] |
157 | heavyiron | 2678 | cmp eax,[display_buffer] |
2679 | ja out_of_memory |
||
2680 | mov eax,[esi+4] |
||
2681 | mov [ebx],eax |
||
2682 | mov eax,[esi+8] |
||
2683 | mov eax,[eax] |
||
2684 | shr eax,8 |
||
2685 | mov [ebx+4],eax |
||
2686 | movzx ax,byte [esi] |
||
2687 | mov [ebx+8],ax |
||
2688 | add ebx,0Ah |
||
2689 | inc ecx |
||
2690 | next_relocation: |
||
31 | halyavin | 2691 | add esi,0Ch |
157 | heavyiron | 2692 | jmp find_relocations |
2693 | section_relocations_done: |
||
31 | halyavin | 2694 | cmp ecx,10000h |
157 | heavyiron | 2695 | jb section_relocations_count_16bit |
2696 | bt [format_flags],0 |
||
2697 | jnc format_limitations_exceeded |
||
2698 | mov word [edi+20h],0FFFFh |
||
2699 | or dword [edi+24h],1000000h |
||
2700 | mov [edi+18h],edx |
||
2701 | push esi edi |
||
2702 | push ecx |
||
2703 | lea esi,[ebx-1] |
||
2704 | add ebx,0Ah |
||
2705 | lea edi,[ebx-1] |
||
2706 | imul ecx,0Ah |
||
2707 | std |
||
2708 | rep movs byte [edi],[esi] |
||
2709 | cld |
||
2710 | pop ecx |
||
2711 | inc esi |
||
2712 | inc ecx |
||
2713 | mov [esi],ecx |
||
2714 | xor eax,eax |
||
2715 | mov [esi+4],eax |
||
2716 | mov [esi+8],ax |
||
2717 | pop edi esi |
||
2718 | jmp section_relocations_ok |
||
2719 | section_relocations_count_16bit: |
||
31 | halyavin | 2720 | mov [edi+20h],cx |
157 | heavyiron | 2721 | jcxz section_relocations_ok |
2722 | mov [edi+18h],edx |
||
2723 | section_relocations_ok: |
||
31 | halyavin | 2724 | sub ebx,[code_start] |
157 | heavyiron | 2725 | mov [code_size],ebx |
2726 | add edi,28h |
||
2727 | jmp find_section |
||
2728 | sections_finished: |
||
31 | halyavin | 2729 | mov edx,[free_additional_memory] |
157 | heavyiron | 2730 | mov ebx,[code_size] |
2731 | add ebp,ebx |
||
2732 | mov [edx+8],ebp |
||
2733 | add ebx,[code_start] |
||
2734 | mov edi,ebx |
||
2735 | mov ecx,[edx+0Ch] |
||
2736 | imul ecx,12h shr 1 |
||
2737 | xor eax,eax |
||
2738 | shr ecx,1 |
||
2739 | jnc zero_symbols_table |
||
2740 | stos word [edi] |
||
2741 | zero_symbols_table: |
||
31 | halyavin | 2742 | rep stos dword [edi] |
157 | heavyiron | 2743 | mov edx,edi |
2744 | stos dword [edi] |
||
2745 | mov esi,[symbols_stream] |
||
2746 | make_symbols_table: |
||
109 | heavyiron | 2747 | cmp esi,[free_additional_memory] |
157 | heavyiron | 2748 | je symbols_table_ok |
2749 | mov al,[esi] |
||
2750 | cmp al,0C0h |
||
624 | heavyiron | 2751 | jae add_public_symbol |
2752 | cmp al,80h |
||
157 | heavyiron | 2753 | jae add_extrn_symbol |
624 | heavyiron | 2754 | or al,al |
157 | heavyiron | 2755 | jz add_section_symbol |
2756 | add esi,0Ch |
||
2757 | jmp make_symbols_table |
||
2758 | add_section_symbol: |
||
31 | halyavin | 2759 | call store_symbol_name |
157 | heavyiron | 2760 | movzx eax,word [esi+1Eh] |
2761 | mov [ebx+0Ch],ax |
||
2762 | mov byte [ebx+10h],3 |
||
2763 | add esi,20h |
||
2764 | add ebx,12h |
||
2765 | jmp make_symbols_table |
||
2766 | add_extrn_symbol: |
||
31 | halyavin | 2767 | call store_symbol_name |
157 | heavyiron | 2768 | mov byte [ebx+10h],2 |
2769 | add esi,0Ch |
||
2770 | add ebx,12h |
||
2771 | jmp make_symbols_table |
||
2772 | add_public_symbol: |
||
31 | halyavin | 2773 | call store_symbol_name |
157 | heavyiron | 2774 | mov eax,[esi+0Ch] |
2775 | mov [current_line],eax |
||
2776 | mov eax,[esi+8] |
||
2777 | test byte [eax+8],1 |
||
2778 | jz undefined_coff_public |
||
692 | heavyiron | 2779 | mov cx,[current_pass] |
157 | heavyiron | 2780 | cmp cx,[eax+16] |
2781 | jne undefined_coff_public |
||
692 | heavyiron | 2782 | mov cl,[eax+11] |
157 | heavyiron | 2783 | or cl,cl |
2784 | jz public_constant |
||
2785 | test [format_flags],8 |
||
2786 | jnz check_64bit_public_symbol |
||
2787 | cmp cl,2 |
||
2788 | je public_symbol_type_ok |
||
2789 | jmp invalid_use_of_symbol |
||
2790 | undefined_coff_public: |
||
692 | heavyiron | 2791 | mov [error_info],eax |
2792 | jmp undefined_symbol |
||
2793 | check_64bit_public_symbol: |
||
31 | halyavin | 2794 | cmp cl,4 |
157 | heavyiron | 2795 | jne invalid_use_of_symbol |
2796 | public_symbol_type_ok: |
||
31 | halyavin | 2797 | mov ecx,[eax+20] |
157 | heavyiron | 2798 | cmp byte [ecx],80h |
624 | heavyiron | 2799 | je alias_symbol |
157 | heavyiron | 2800 | cmp byte [ecx],0 |
2801 | jne invalid_use_of_symbol |
||
2802 | mov cx,[ecx+1Eh] |
||
2803 | mov [ebx+0Ch],cx |
||
2804 | public_symbol_section_ok: |
||
31 | halyavin | 2805 | cmp dword [eax+4],0 |
157 | heavyiron | 2806 | je store_public_symbol |
2807 | cmp dword [eax+4],-1 |
||
2808 | jne value_out_of_range |
||
2809 | bt dword [eax],31 |
||
2810 | jnc value_out_of_range |
||
2811 | store_public_symbol: |
||
31 | halyavin | 2812 | mov eax,[eax] |
157 | heavyiron | 2813 | mov [ebx+8],eax |
2814 | mov al,2 |
||
624 | heavyiron | 2815 | cmp byte [esi],0C0h |
2816 | je store_symbol_class |
||
2817 | inc al |
||
2818 | cmp byte [esi],0C1h |
||
2819 | je store_symbol_class |
||
2820 | mov al,105 |
||
2821 | store_symbol_class: |
||
2822 | mov byte [ebx+10h],al |
||
2823 | add esi,10h |
||
157 | heavyiron | 2824 | add ebx,12h |
2825 | jmp make_symbols_table |
||
2826 | alias_symbol: |
||
31 | halyavin | 2827 | bt [format_flags],0 |
157 | heavyiron | 2828 | jnc invalid_use_of_symbol |
2829 | mov ecx,[eax] |
||
2830 | or ecx,[eax+4] |
||
2831 | jnz invalid_use_of_symbol |
||
2832 | mov byte [ebx+10h],69h |
||
2833 | mov byte [ebx+11h],1 |
||
2834 | add ebx,12h |
||
2835 | mov ecx,[eax+20] |
||
2836 | mov ecx,[ecx] |
||
2837 | shr ecx,8 |
||
2838 | mov [ebx],ecx |
||
2839 | mov byte [ebx+4],3 |
||
2840 | add esi,10h |
||
2841 | add ebx,12h |
||
2842 | jmp make_symbols_table |
||
2843 | public_constant: |
||
31 | halyavin | 2844 | mov word [ebx+0Ch],0FFFFh |
157 | heavyiron | 2845 | jmp public_symbol_section_ok |
2846 | symbols_table_ok: |
||
31 | halyavin | 2847 | mov eax,edi |
157 | heavyiron | 2848 | sub eax,edx |
2849 | mov [edx],eax |
||
2850 | sub edi,[code_start] |
||
2851 | mov [code_size],edi |
||
2852 | mov [written_size],0 |
||
2853 | mov edx,[output_file] |
||
2854 | call create |
||
2855 | jc write_failed |
||
2856 | mov edx,[free_additional_memory] |
||
2857 | pop ecx |
||
2858 | add [written_size],ecx |
||
2859 | call write |
||
2860 | jc write_failed |
||
2861 | jmp write_output |
||
2862 | store_symbol_name: |
||
31 | halyavin | 2863 | push esi |
157 | heavyiron | 2864 | mov esi,[esi+4] |
2865 | or esi,esi |
||
2866 | jz default_name |
||
2867 | lods dword [esi] |
||
2868 | mov ecx,eax |
||
2869 | cmp ecx,8 |
||
2870 | ja add_string |
||
2871 | push edi |
||
2872 | mov edi,ebx |
||
2873 | rep movs byte [edi],[esi] |
||
2874 | pop edi esi |
||
2875 | ret |
||
2876 | default_name: |
||
31 | halyavin | 2877 | mov dword [ebx],'.fla' |
157 | heavyiron | 2878 | mov dword [ebx+4],'t' |
2879 | pop esi |
||
2880 | ret |
||
2881 | add_string: |
||
31 | halyavin | 2882 | mov eax,edi |
157 | heavyiron | 2883 | sub eax,edx |
2884 | mov [ebx+4],eax |
||
2885 | inc ecx |
||
2886 | rep movs byte [edi],[esi] |
||
2887 | pop esi |
||
2888 | ret |
||
2889 | |||
31 | halyavin | 2890 | |
2891 | test [format_flags],8 |
||
157 | heavyiron | 2892 | jnz format_elf64 |
2893 | mov edx,edi |
||
2894 | mov ecx,34h shr 2 |
||
2895 | lea eax,[edi+ecx*4] |
||
2896 | cmp eax,[display_buffer] |
||
2897 | jae out_of_memory |
||
2898 | xor eax,eax |
||
2899 | rep stos dword [edi] |
||
2900 | mov dword [edx],7Fh + 'ELF' shl 8 |
||
2901 | mov al,1 |
||
2902 | mov [edx+4],al |
||
2903 | mov [edx+5],al |
||
2904 | mov [edx+6],al |
||
2905 | mov [edx+14h],al |
||
2906 | mov byte [edx+12h],3 |
||
2907 | mov byte [edx+28h],34h |
||
2908 | mov byte [edx+2Eh],28h |
||
2909 | mov [code_type],32 |
||
2910 | cmp word [esi],1D19h |
||
2911 | je format_elf_exe |
||
2912 | mov [labels_type],2 |
||
2913 | elf_header_ok: |
||
31 | halyavin | 2914 | mov byte [edx+10h],1 |
157 | heavyiron | 2915 | mov eax,[additional_memory] |
2916 | mov [symbols_stream],eax |
||
2917 | mov ebx,eax |
||
2918 | add eax,20h |
||
2919 | cmp eax,[structures_buffer] |
||
2920 | jae out_of_memory |
||
2921 | mov [free_additional_memory],eax |
||
2922 | xor eax,eax |
||
2923 | mov [current_section],ebx |
||
2924 | mov [number_of_sections],eax |
||
2925 | mov dword [org_origin],edi |
||
2926 | mov dword [org_origin+4],eax |
||
2927 | mov [org_registers],eax |
||
2928 | mov [org_start],edi |
||
2929 | mov [org_symbol],ebx |
||
2930 | mov [ebx],al |
||
2931 | mov [ebx+4],eax |
||
2932 | mov [ebx+8],edi |
||
2933 | mov al,111b |
||
2934 | mov [ebx+14h],eax |
||
2935 | mov al,4 |
||
2936 | mov [ebx+10h],eax |
||
2937 | test [format_flags],8 |
||
2938 | jz format_defined |
||
607 | heavyiron | 2939 | mov byte [ebx+10h],8 |
157 | heavyiron | 2940 | jmp format_defined |
607 | heavyiron | 2941 | format_elf64: |
31 | halyavin | 2942 | mov edx,edi |
157 | heavyiron | 2943 | mov ecx,40h shr 2 |
2944 | lea eax,[edi+ecx*4] |
||
2945 | cmp eax,[display_buffer] |
||
2946 | jae out_of_memory |
||
2947 | xor eax,eax |
||
2948 | rep stos dword [edi] |
||
2949 | mov dword [edx],7Fh + 'ELF' shl 8 |
||
2950 | mov al,1 |
||
2951 | mov [edx+5],al |
||
2952 | mov [edx+6],al |
||
2953 | mov [edx+14h],al |
||
2954 | mov byte [edx+4],2 |
||
2955 | mov byte [edx+12h],62 |
||
2956 | mov byte [edx+34h],40h |
||
2957 | mov byte [edx+3Ah],40h |
||
2958 | mov [code_type],64 |
||
2959 | cmp word [esi],1D19h |
||
2960 | je format_elf64_exe |
||
2961 | mov [labels_type],4 |
||
2962 | jmp elf_header_ok |
||
2963 | elf_section: |
||
31 | halyavin | 2964 | bt [format_flags],0 |
157 | heavyiron | 2965 | jc illegal_instruction |
2966 | call close_coff_section |
||
2967 | mov ebx,[free_additional_memory] |
||
2968 | lea eax,[ebx+20h] |
||
2969 | cmp eax,[structures_buffer] |
||
2970 | jae out_of_memory |
||
2971 | mov [free_additional_memory],eax |
||
2972 | mov [current_section],ebx |
||
2973 | inc word [number_of_sections] |
||
2974 | jz format_limitations_exceeded |
||
2975 | xor eax,eax |
||
2976 | mov [ebx],al |
||
2977 | mov [ebx+8],edi |
||
2978 | mov dword [org_origin],edi |
||
2979 | mov dword [org_origin+4],eax |
||
1115 | heavyiron | 2980 | mov [org_registers],eax |
2981 | mov [org_start],edi |
||
157 | heavyiron | 2982 | mov [org_symbol],ebx |
2983 | test [format_flags],8 |
||
2984 | jnz elf64_labels_type |
||
2985 | mov [labels_type],2 |
||
2986 | jmp elf_labels_type_ok |
||
2987 | elf64_labels_type: |
||
31 | halyavin | 2988 | mov [labels_type],4 |
157 | heavyiron | 2989 | elf_labels_type_ok: |
31 | halyavin | 2990 | mov [ebx+10h],eax |
157 | heavyiron | 2991 | mov al,10b |
2992 | mov [ebx+14h],eax |
||
2993 | lods word [esi] |
||
2994 | cmp ax,'(' |
||
2995 | jne invalid_argument |
||
2996 | mov [ebx+4],esi |
||
2997 | mov ecx,[esi] |
||
2998 | lea esi,[esi+4+ecx+1] |
||
2999 | elf_section_flags: |
||
31 | halyavin | 3000 | cmp byte [esi],8Ch |
2287 | heavyiron | 3001 | je elf_section_alignment |
157 | heavyiron | 3002 | cmp byte [esi],19h |
3003 | jne elf_section_settings_ok |
||
3004 | inc esi |
||
3005 | lods byte [esi] |
||
3006 | sub al,28 |
||
3007 | xor al,11b |
||
3008 | test al,not 10b |
||
3009 | jnz invalid_argument |
||
3010 | mov cl,al |
||
3011 | mov al,1 |
||
3012 | shl al,cl |
||
3013 | test byte [ebx+14h],al |
||
3014 | jnz setting_already_specified |
||
3015 | or byte [ebx+14h],al |
||
3016 | jmp elf_section_flags |
||
3017 | elf_section_alignment: |
||
31 | halyavin | 3018 | inc esi |
157 | heavyiron | 3019 | lods byte [esi] |
3020 | cmp al,'(' |
||
3021 | jne invalid_argument |
||
3022 | cmp byte [esi],'.' |
||
3023 | je invalid_value |
||
3024 | push ebx |
||
3025 | call get_count_value |
||
2287 | heavyiron | 3026 | pop ebx |
157 | heavyiron | 3027 | mov edx,eax |
3028 | dec edx |
||
3029 | test eax,edx |
||
3030 | jnz invalid_value |
||
3031 | or eax,eax |
||
3032 | jz invalid_value |
||
3033 | xchg [ebx+10h],eax |
||
3034 | or eax,eax |
||
3035 | jnz setting_already_specified |
||
3036 | jmp elf_section_flags |
||
3037 | elf_section_settings_ok: |
||
31 | halyavin | 3038 | cmp dword [ebx+10h],0 |
157 | heavyiron | 3039 | jne instruction_assembled |
3040 | mov dword [ebx+10h],4 |
||
3041 | test [format_flags],8 |
||
3042 | jz instruction_assembled |
||
3043 | mov byte [ebx+10h],8 |
||
3044 | jmp instruction_assembled |
||
3045 | mark_elf_relocation: |
||
31 | halyavin | 3046 | cmp [value_type],3 |
157 | heavyiron | 3047 | je elf_relocation_relative |
3048 | cmp [value_type],7 |
||
174 | heavyiron | 3049 | je elf_relocation_relative |
3050 | push ebx eax |
||
157 | heavyiron | 3051 | cmp [value_type],5 |
174 | heavyiron | 3052 | je elf_gotoff_relocation |
157 | heavyiron | 3053 | ja invalid_use_of_symbol |
174 | heavyiron | 3054 | mov al,1 ; R_386_32 / R_AMD64_64 |
3055 | test [format_flags],8 |
||
157 | heavyiron | 3056 | jz coff_relocation |
3057 | cmp [value_type],4 |
||
3058 | je coff_relocation |
||
3059 | mov al,11 ; R_AMD64_32S |
||
174 | heavyiron | 3060 | jmp coff_relocation |
157 | heavyiron | 3061 | elf_gotoff_relocation: |
109 | heavyiron | 3062 | test [format_flags],8 |
174 | heavyiron | 3063 | jnz invalid_use_of_symbol |
3064 | mov al,9 ; R_386_GOTOFF |
||
3065 | jmp coff_relocation |
||
157 | heavyiron | 3066 | elf_relocation_relative: |
31 | halyavin | 3067 | cmp [labels_type],0 |
157 | heavyiron | 3068 | je invalid_use_of_symbol |
3069 | push ebx |
||
3070 | mov ebx,[current_section] |
||
3071 | mov ebx,[ebx+8] |
||
3072 | sub ebx,edi |
||
3073 | sub eax,ebx |
||
3074 | push eax |
||
3075 | mov al,2 ; R_386_PC32 / R_AMD64_PC32 |
||
174 | heavyiron | 3076 | cmp [value_type],3 |
3077 | je coff_relocation |
||
3078 | mov al,4 ; R_386_PLT32 / R_AMD64_PLT32 |
||
3079 | jmp coff_relocation |
||
157 | heavyiron | 3080 | close_elf: |
31 | halyavin | 3081 | bt [format_flags],0 |
157 | heavyiron | 3082 | jc close_elf_exe |
3083 | call close_coff_section |
||
3084 | cmp [next_pass_needed],0 |
||
3085 | je elf_closed |
||
3086 | mov eax,[symbols_stream] |
||
3087 | mov [free_additional_memory],eax |
||
3088 | elf_closed: |
||
31 | halyavin | 3089 | ret |
157 | heavyiron | 3090 | elf_formatter: |
31 | halyavin | 3091 | push edi |
157 | heavyiron | 3092 | call prepare_default_section |
3093 | mov esi,[symbols_stream] |
||
3094 | mov edi,[free_additional_memory] |
||
3095 | xor eax,eax |
||
3096 | mov ecx,4 |
||
3097 | rep stos dword [edi] |
||
3098 | test [format_flags],8 |
||
3099 | jz find_first_section |
||
3100 | mov ecx,2 |
||
3101 | rep stos dword [edi] |
||
3102 | find_first_section: |
||
31 | halyavin | 3103 | mov al,[esi] |
157 | heavyiron | 3104 | or al,al |
3105 | jz first_section_found |
||
3106 | cmp al,0C0h |
||
624 | heavyiron | 3107 | jb skip_other_symbol |
3108 | add esi,4 |
||
157 | heavyiron | 3109 | skip_other_symbol: |
31 | halyavin | 3110 | add esi,0Ch |
157 | heavyiron | 3111 | jmp find_first_section |
3112 | first_section_found: |
||
31 | halyavin | 3113 | mov ebx,esi |
157 | heavyiron | 3114 | mov ebp,esi |
3115 | add esi,20h |
||
3116 | xor ecx,ecx |
||
3117 | xor edx,edx |
||
3118 | find_next_section: |
||
31 | halyavin | 3119 | cmp esi,[free_additional_memory] |
157 | heavyiron | 3120 | je make_section_symbol |
3121 | mov al,[esi] |
||
3122 | or al,al |
||
3123 | jz make_section_symbol |
||
3124 | cmp al,0C0h |
||
624 | heavyiron | 3125 | jae skip_public |
3126 | cmp al,80h |
||
157 | heavyiron | 3127 | jae skip_extrn |
624 | heavyiron | 3128 | or byte [ebx+14h],40h |
157 | heavyiron | 3129 | skip_extrn: |
31 | halyavin | 3130 | add esi,0Ch |
157 | heavyiron | 3131 | jmp find_next_section |
3132 | skip_public: |
||
31 | halyavin | 3133 | add esi,10h |
157 | heavyiron | 3134 | jmp find_next_section |
3135 | make_section_symbol: |
||
31 | halyavin | 3136 | mov eax,edi |
157 | heavyiron | 3137 | xchg eax,[ebx+4] |
3138 | stos dword [edi] |
||
3139 | test [format_flags],8 |
||
3140 | jnz elf64_section_symbol |
||
3141 | xor eax,eax |
||
3142 | stos dword [edi] |
||
3143 | stos dword [edi] |
||
3144 | call store_section_index |
||
3145 | jmp section_symbol_ok |
||
3146 | store_section_index: |
||
31 | halyavin | 3147 | inc ecx |
157 | heavyiron | 3148 | mov eax,ecx |
3149 | shl eax,8 |
||
3150 | mov [ebx],eax |
||
3151 | inc dx |
||
3152 | jz format_limitations_exceeded |
||
3153 | mov eax,edx |
||
3154 | shl eax,16 |
||
3155 | mov al,3 |
||
3156 | test byte [ebx+14h],40h |
||
3157 | jz section_index_ok |
||
3158 | or ah,-1 |
||
3159 | inc dx |
||
3160 | jz format_limitations_exceeded |
||
3161 | section_index_ok: |
||
31 | halyavin | 3162 | stos dword [edi] |
157 | heavyiron | 3163 | ret |
3164 | elf64_section_symbol: |
||
31 | halyavin | 3165 | call store_section_index |
157 | heavyiron | 3166 | xor eax,eax |
3167 | stos dword [edi] |
||
3168 | stos dword [edi] |
||
3169 | stos dword [edi] |
||
3170 | stos dword [edi] |
||
3171 | section_symbol_ok: |
||
31 | halyavin | 3172 | mov ebx,esi |
157 | heavyiron | 3173 | add esi,20h |
3174 | cmp ebx,[free_additional_memory] |
||
3175 | jne find_next_section |
||
3176 | inc dx |
||
3177 | jz format_limitations_exceeded |
||
3178 | mov [current_section],edx |
||
3179 | mov esi,[symbols_stream] |
||
3180 | find_other_symbols: |
||
31 | halyavin | 3181 | cmp esi,[free_additional_memory] |
157 | heavyiron | 3182 | je elf_symbol_table_ok |
3183 | mov al,[esi] |
||
3184 | or al,al |
||
3185 | jz skip_section |
||
3186 | cmp al,0C0h |
||
624 | heavyiron | 3187 | jae make_public_symbol |
3188 | cmp al,80h |
||
157 | heavyiron | 3189 | jae make_extrn_symbol |
624 | heavyiron | 3190 | add esi,0Ch |
157 | heavyiron | 3191 | jmp find_other_symbols |
3192 | skip_section: |
||
31 | halyavin | 3193 | add esi,20h |
157 | heavyiron | 3194 | jmp find_other_symbols |
3195 | make_public_symbol: |
||
31 | halyavin | 3196 | mov eax,[esi+0Ch] |
157 | heavyiron | 3197 | mov [current_line],eax |
3198 | cmp byte [esi],0C0h |
||
624 | heavyiron | 3199 | jne invalid_argument |
3200 | mov ebx,[esi+8] |
||
157 | heavyiron | 3201 | test byte [ebx+8],1 |
3202 | jz undefined_public |
||
692 | heavyiron | 3203 | mov ax,[current_pass] |
157 | heavyiron | 3204 | cmp ax,[ebx+16] |
3205 | jne undefined_public |
||
692 | heavyiron | 3206 | mov dl,[ebx+11] |
157 | heavyiron | 3207 | or dl,dl |
3208 | jz public_absolute |
||
3209 | mov eax,[ebx+20] |
||
3210 | cmp byte [eax],0 |
||
3211 | jne invalid_use_of_symbol |
||
3212 | mov eax,[eax+4] |
||
3213 | test [format_flags],8 |
||
3214 | jnz elf64_public |
||
3215 | cmp dl,2 |
||
3216 | jne invalid_use_of_symbol |
||
3217 | mov dx,[eax+0Eh] |
||
3218 | jmp section_for_public_ok |
||
3219 | undefined_public: |
||
692 | heavyiron | 3220 | mov eax,[ebx+24] |
3221 | mov [error_info],eax |
||
3222 | jmp undefined_symbol |
||
3223 | elf64_public: |
||
31 | halyavin | 3224 | cmp dl,4 |
157 | heavyiron | 3225 | jne invalid_use_of_symbol |
3226 | mov dx,[eax+6] |
||
3227 | jmp section_for_public_ok |
||
3228 | public_absolute: |
||
31 | halyavin | 3229 | mov dx,0FFF1h |
157 | heavyiron | 3230 | section_for_public_ok: |
31 | halyavin | 3231 | mov eax,[esi+4] |
157 | heavyiron | 3232 | stos dword [edi] |
3233 | test [format_flags],8 |
||
3234 | jnz elf64_public_symbol |
||
3235 | call get_public_value |
||
3236 | stos dword [edi] |
||
3237 | xor eax,eax |
||
3238 | mov al,[ebx+10] |
||
3239 | stos dword [edi] |
||
3240 | mov eax,edx |
||
3241 | shl eax,16 |
||
3242 | mov al,10h |
||
3243 | cmp byte [ebx+10],0 |
||
3244 | je elf_public_function |
||
3245 | or al,1 |
||
3246 | jmp store_elf_public_info |
||
3247 | elf_public_function: |
||
109 | heavyiron | 3248 | or al,2 |
157 | heavyiron | 3249 | store_elf_public_info: |
109 | heavyiron | 3250 | stos dword [edi] |
157 | heavyiron | 3251 | jmp public_symbol_ok |
3252 | elf64_public_symbol: |
||
31 | halyavin | 3253 | mov eax,edx |
157 | heavyiron | 3254 | shl eax,16 |
3255 | mov al,10h |
||
3256 | cmp byte [ebx+10],0 |
||
3257 | je elf64_public_function |
||
3258 | or al,1 |
||
3259 | jmp store_elf64_public_info |
||
3260 | elf64_public_function: |
||
109 | heavyiron | 3261 | or al,2 |
157 | heavyiron | 3262 | store_elf64_public_info: |
109 | heavyiron | 3263 | stos dword [edi] |
157 | heavyiron | 3264 | call get_public_value |
3265 | stos dword [edi] |
||
3266 | xor eax,eax |
||
3267 | stos dword [edi] |
||
3268 | mov al,[ebx+10] |
||
3269 | stos dword [edi] |
||
3270 | xor al,al |
||
3271 | stos dword [edi] |
||
3272 | public_symbol_ok: |
||
31 | halyavin | 3273 | inc ecx |
157 | heavyiron | 3274 | mov eax,ecx |
3275 | shl eax,8 |
||
3276 | mov al,0C0h |
||
624 | heavyiron | 3277 | mov [esi],eax |
157 | heavyiron | 3278 | add esi,10h |
3279 | jmp find_other_symbols |
||
3280 | get_public_value: |
||
31 | halyavin | 3281 | mov eax,[ebx] |
157 | heavyiron | 3282 | cmp dword [ebx+4],0 |
3283 | je public_value_ok |
||
3284 | cmp dword [ebx+4],-1 |
||
3285 | jne value_out_of_range |
||
3286 | bt eax,31 |
||
3287 | jnc value_out_of_range |
||
3288 | public_value_ok: |
||
31 | halyavin | 3289 | ret |
157 | heavyiron | 3290 | make_extrn_symbol: |
31 | halyavin | 3291 | mov eax,[esi+4] |
157 | heavyiron | 3292 | stos dword [edi] |
3293 | test [format_flags],8 |
||
3294 | jnz elf64_extrn_symbol |
||
3295 | xor eax,eax |
||
3296 | stos dword [edi] |
||
3297 | mov eax,[esi+8] |
||
3298 | stos dword [edi] |
||
3299 | mov eax,10h |
||
3300 | stos dword [edi] |
||
3301 | jmp extrn_symbol_ok |
||
3302 | elf64_extrn_symbol: |
||
31 | halyavin | 3303 | mov eax,10h |
157 | heavyiron | 3304 | stos dword [edi] |
3305 | xor al,al |
||
3306 | stos dword [edi] |
||
3307 | stos dword [edi] |
||
3308 | mov eax,[esi+8] |
||
3309 | stos dword [edi] |
||
3310 | xor eax,eax |
||
3311 | stos dword [edi] |
||
3312 | extrn_symbol_ok: |
||
31 | halyavin | 3313 | inc ecx |
157 | heavyiron | 3314 | mov eax,ecx |
3315 | shl eax,8 |
||
3316 | mov al,80h |
||
624 | heavyiron | 3317 | mov [esi],eax |
157 | heavyiron | 3318 | add esi,0Ch |
3319 | jmp find_other_symbols |
||
3320 | elf_symbol_table_ok: |
||
31 | halyavin | 3321 | mov edx,edi |
157 | heavyiron | 3322 | mov ebx,[free_additional_memory] |
3323 | xor al,al |
||
3324 | stos byte [edi] |
||
3325 | add edi,16 |
||
3326 | mov [edx+1],edx |
||
3327 | add ebx,10h |
||
3328 | test [format_flags],8 |
||
3329 | jz make_string_table |
||
3330 | add ebx,8 |
||
3331 | make_string_table: |
||
31 | halyavin | 3332 | cmp ebx,edx |
157 | heavyiron | 3333 | je elf_string_table_ok |
3334 | test [format_flags],8 |
||
3335 | jnz make_elf64_string |
||
3336 | cmp byte [ebx+0Dh],0 |
||
3337 | je rel_prefix_ok |
||
3338 | mov byte [ebx+0Dh],0 |
||
3339 | mov eax,'.rel' |
||
3340 | stos dword [edi] |
||
3341 | rel_prefix_ok: |
||
31 | halyavin | 3342 | mov esi,edi |
157 | heavyiron | 3343 | sub esi,edx |
3344 | xchg esi,[ebx] |
||
3345 | add ebx,10h |
||
3346 | make_elf_string: |
||
31 | halyavin | 3347 | or esi,esi |
157 | heavyiron | 3348 | jz default_string |
3349 | lods dword [esi] |
||
3350 | mov ecx,eax |
||
3351 | rep movs byte [edi],[esi] |
||
3352 | xor al,al |
||
3353 | stos byte [edi] |
||
3354 | jmp make_string_table |
||
3355 | make_elf64_string: |
||
31 | halyavin | 3356 | cmp byte [ebx+5],0 |
157 | heavyiron | 3357 | je elf64_rel_prefix_ok |
3358 | mov byte [ebx+5],0 |
||
3359 | mov eax,'.rel' |
||
3360 | stos dword [edi] |
||
3361 | mov al,'a' |
||
3362 | stos byte [edi] |
||
3363 | elf64_rel_prefix_ok: |
||
31 | halyavin | 3364 | mov esi,edi |
157 | heavyiron | 3365 | sub esi,edx |
3366 | xchg esi,[ebx] |
||
3367 | add ebx,18h |
||
3368 | jmp make_elf_string |
||
3369 | default_string: |
||
31 | halyavin | 3370 | mov eax,'.fla' |
157 | heavyiron | 3371 | stos dword [edi] |
3372 | mov ax,'t' |
||
3373 | stos word [edi] |
||
3374 | jmp make_string_table |
||
3375 | elf_string_table_ok: |
||
31 | halyavin | 3376 | mov [edx+1+8],edi |
157 | heavyiron | 3377 | mov ebx,[code_start] |
3378 | mov eax,edi |
||
3379 | sub eax,[free_additional_memory] |
||
3380 | test [format_flags],8 |
||
3381 | jnz finish_elf64_header |
||
3382 | mov [ebx+20h],eax |
||
3383 | mov eax,[current_section] |
||
3384 | inc ax |
||
3385 | jz format_limitations_exceeded |
||
3386 | mov [ebx+32h],ax |
||
3387 | inc ax |
||
3388 | jz format_limitations_exceeded |
||
3389 | mov [ebx+30h],ax |
||
3390 | jmp elf_header_finished |
||
3391 | finish_elf64_header: |
||
31 | halyavin | 3392 | mov [ebx+28h],eax |
157 | heavyiron | 3393 | mov eax,[current_section] |
3394 | inc ax |
||
3395 | jz format_limitations_exceeded |
||
3396 | mov [ebx+3Eh],ax |
||
3397 | inc ax |
||
3398 | jz format_limitations_exceeded |
||
3399 | mov [ebx+3Ch],ax |
||
3400 | elf_header_finished: |
||
31 | halyavin | 3401 | xor eax,eax |
157 | heavyiron | 3402 | mov ecx,10 |
3403 | rep stos dword [edi] |
||
3404 | test [format_flags],8 |
||
3405 | jz elf_null_section_ok |
||
3406 | mov ecx,6 |
||
3407 | rep stos dword [edi] |
||
3408 | elf_null_section_ok: |
||
31 | halyavin | 3409 | mov esi,ebp |
157 | heavyiron | 3410 | xor ecx,ecx |
3411 | make_section_entry: |
||
31 | halyavin | 3412 | mov ebx,edi |
157 | heavyiron | 3413 | mov eax,[esi+4] |
3414 | mov eax,[eax] |
||
3415 | stos dword [edi] |
||
3416 | mov eax,1 |
||
3417 | cmp dword [esi+0Ch],0 |
||
3418 | je bss_section |
||
3419 | test byte [esi+14h],80h |
||
3420 | jz section_type_ok |
||
3421 | bss_section: |
||
31 | halyavin | 3422 | mov al,8 |
157 | heavyiron | 3423 | section_type_ok: |
31 | halyavin | 3424 | stos dword [edi] |
157 | heavyiron | 3425 | mov eax,[esi+14h] |
3426 | and al,3Fh |
||
3427 | call store_elf_machine_word |
||
3428 | xor eax,eax |
||
3429 | call store_elf_machine_word |
||
3430 | mov eax,[esi+8] |
||
3431 | mov [image_base],eax |
||
3432 | sub eax,[code_start] |
||
3433 | call store_elf_machine_word |
||
3434 | mov eax,[esi+0Ch] |
||
3435 | call store_elf_machine_word |
||
3436 | xor eax,eax |
||
3437 | stos dword [edi] |
||
3438 | stos dword [edi] |
||
3439 | mov eax,[esi+10h] |
||
3440 | call store_elf_machine_word |
||
3441 | xor eax,eax |
||
3442 | call store_elf_machine_word |
||
3443 | inc ecx |
||
3444 | add esi,20h |
||
3445 | xchg edi,[esp] |
||
3446 | mov ebp,edi |
||
3447 | convert_relocations: |
||
31 | halyavin | 3448 | cmp esi,[free_additional_memory] |
157 | heavyiron | 3449 | je relocations_converted |
3450 | mov al,[esi] |
||
3451 | or al,al |
||
3452 | jz relocations_converted |
||
3453 | cmp al,80h |
||
3454 | jb make_relocation_entry |
||
3455 | cmp al,0C0h |
||
624 | heavyiron | 3456 | jb relocation_entry_ok |
3457 | add esi,10h |
||
157 | heavyiron | 3458 | jmp convert_relocations |
3459 | make_relocation_entry: |
||
31 | halyavin | 3460 | test [format_flags],8 |
157 | heavyiron | 3461 | jnz make_elf64_relocation_entry |
3462 | mov eax,[esi+4] |
||
3463 | stos dword [edi] |
||
3464 | mov eax,[esi+8] |
||
3465 | mov eax,[eax] |
||
3466 | mov al,[esi] |
||
3467 | stos dword [edi] |
||
3468 | jmp relocation_entry_ok |
||
3469 | make_elf64_relocation_entry: |
||
31 | halyavin | 3470 | mov eax,[esi+4] |
157 | heavyiron | 3471 | stos dword [edi] |
3472 | xor eax,eax |
||
3473 | stos dword [edi] |
||
3474 | movzx eax,byte [esi] |
||
3475 | stos dword [edi] |
||
3476 | mov eax,[esi+8] |
||
3477 | mov eax,[eax] |
||
3478 | shr eax,8 |
||
3479 | stos dword [edi] |
||
3480 | xor eax,eax |
||
3481 | stos dword [edi] |
||
3482 | stos dword [edi] |
||
3483 | relocation_entry_ok: |
||
31 | halyavin | 3484 | add esi,0Ch |
157 | heavyiron | 3485 | jmp convert_relocations |
3486 | store_elf_machine_word: |
||
31 | halyavin | 3487 | stos dword [edi] |
157 | heavyiron | 3488 | test [format_flags],8 |
3489 | jz elf_machine_word_ok |
||
3490 | mov dword [edi],0 |
||
3491 | add edi,4 |
||
3492 | elf_machine_word_ok: |
||
31 | halyavin | 3493 | ret |
157 | heavyiron | 3494 | relocations_converted: |
31 | halyavin | 3495 | cmp edi,ebp |
157 | heavyiron | 3496 | xchg edi,[esp] |
3497 | je rel_section_ok |
||
3498 | mov eax,[ebx] |
||
3499 | sub eax,4 |
||
3500 | test [format_flags],8 |
||
3501 | jz store_relocations_name_offset |
||
3502 | dec eax |
||
3503 | store_relocations_name_offset: |
||
31 | halyavin | 3504 | stos dword [edi] |
157 | heavyiron | 3505 | test [format_flags],8 |
3506 | jnz rela_section |
||
3507 | mov eax,9 |
||
3508 | jmp store_relocations_type |
||
3509 | rela_section: |
||
31 | halyavin | 3510 | mov eax,4 |
157 | heavyiron | 3511 | store_relocations_type: |
31 | halyavin | 3512 | stos dword [edi] |
157 | heavyiron | 3513 | xor al,al |
3514 | call store_elf_machine_word |
||
3515 | call store_elf_machine_word |
||
3516 | mov eax,ebp |
||
3517 | sub eax,[code_start] |
||
3518 | call store_elf_machine_word |
||
3519 | mov eax,[esp] |
||
3520 | sub eax,ebp |
||
3521 | call store_elf_machine_word |
||
3522 | mov eax,[current_section] |
||
3523 | stos dword [edi] |
||
3524 | mov eax,ecx |
||
3525 | stos dword [edi] |
||
3526 | inc ecx |
||
3527 | test [format_flags],8 |
||
3528 | jnz finish_elf64_rela_section |
||
3529 | mov eax,4 |
||
3530 | stos dword [edi] |
||
3531 | mov al,8 |
||
3532 | stos dword [edi] |
||
3533 | jmp rel_section_ok |
||
3534 | finish_elf64_rela_section: |
||
31 | halyavin | 3535 | mov eax,8 |
157 | heavyiron | 3536 | stos dword [edi] |
3537 | xor al,al |
||
3538 | stos dword [edi] |
||
3539 | mov al,24 |
||
3540 | stos dword [edi] |
||
3541 | xor al,al |
||
3542 | stos dword [edi] |
||
3543 | rel_section_ok: |
||
31 | halyavin | 3544 | cmp esi,[free_additional_memory] |
157 | heavyiron | 3545 | jne make_section_entry |
3546 | pop eax |
||
3547 | mov ebx,[code_start] |
||
3548 | sub eax,ebx |
||
3549 | mov [code_size],eax |
||
3550 | mov ecx,20h |
||
3551 | test [format_flags],8 |
||
3552 | jz adjust_elf_section_headers_offset |
||
3553 | mov ecx,28h |
||
3554 | adjust_elf_section_headers_offset: |
||
31 | halyavin | 3555 | add [ebx+ecx],eax |
157 | heavyiron | 3556 | mov eax,1 |
3557 | stos dword [edi] |
||
3558 | mov al,2 |
||
3559 | stos dword [edi] |
||
3560 | xor al,al |
||
3561 | call store_elf_machine_word |
||
3562 | call store_elf_machine_word |
||
3563 | mov eax,[code_size] |
||
3564 | call store_elf_machine_word |
||
3565 | mov eax,[edx+1] |
||
3566 | sub eax,[free_additional_memory] |
||
3567 | call store_elf_machine_word |
||
3568 | mov eax,[current_section] |
||
3569 | inc eax |
||
3570 | stos dword [edi] |
||
3571 | mov eax,[number_of_sections] |
||
3572 | inc eax |
||
3573 | stos dword [edi] |
||
3574 | test [format_flags],8 |
||
3575 | jnz finish_elf64_sym_section |
||
3576 | mov eax,4 |
||
3577 | stos dword [edi] |
||
3578 | mov al,10h |
||
3579 | stos dword [edi] |
||
3580 | jmp sym_section_ok |
||
3581 | finish_elf64_sym_section: |
||
31 | halyavin | 3582 | mov eax,8 |
157 | heavyiron | 3583 | stos dword [edi] |
3584 | xor al,al |
||
3585 | stos dword [edi] |
||
3586 | mov al,18h |
||
3587 | stos dword [edi] |
||
3588 | xor al,al |
||
3589 | stos dword [edi] |
||
3590 | sym_section_ok: |
||
31 | halyavin | 3591 | mov al,1+8 |
157 | heavyiron | 3592 | stos dword [edi] |
3593 | mov al,3 |
||
3594 | stos dword [edi] |
||
3595 | xor al,al |
||
3596 | call store_elf_machine_word |
||
3597 | call store_elf_machine_word |
||
3598 | mov eax,[edx+1] |
||
3599 | sub eax,[free_additional_memory] |
||
3600 | add eax,[code_size] |
||
3601 | call store_elf_machine_word |
||
3602 | mov eax,[edx+1+8] |
||
3603 | sub eax,[edx+1] |
||
3604 | call store_elf_machine_word |
||
3605 | xor eax,eax |
||
3606 | stos dword [edi] |
||
3607 | stos dword [edi] |
||
3608 | mov al,1 |
||
3609 | call store_elf_machine_word |
||
3610 | xor eax,eax |
||
3611 | call store_elf_machine_word |
||
3612 | mov eax,'tab' |
||
3613 | mov dword [edx+1],'.sym' |
||
3614 | mov [edx+1+4],eax |
||
3615 | mov dword [edx+1+8],'.str' |
||
3616 | mov [edx+1+8+4],eax |
||
3617 | mov [resource_data],edx |
||
992 | heavyiron | 3618 | mov [written_size],0 |
157 | heavyiron | 3619 | mov edx,[output_file] |
3620 | call create |
||
3621 | jc write_failed |
||
3622 | call write_code |
||
3623 | mov ecx,edi |
||
3624 | mov edx,[free_additional_memory] |
||
3625 | sub ecx,edx |
||
3626 | add [written_size],ecx |
||
3627 | call write |
||
3628 | jc write_failed |
||
3629 | jmp output_written |
||
3630 | |||
31 | halyavin | 3631 | |
3632 | add esi,2 |
||
157 | heavyiron | 3633 | or [format_flags],1 |
3634 | cmp byte [esi],'(' |
||
1189 | heavyiron | 3635 | jne elf_exe_brand_ok |
3636 | inc esi |
||
3637 | cmp byte [esi],'.' |
||
3638 | je invalid_value |
||
3639 | push edx |
||
3640 | call get_byte_value |
||
3641 | cmp [value_type],0 |
||
3642 | jne invalid_use_of_symbol |
||
3643 | pop edx |
||
3644 | mov [edx+7],al |
||
3645 | elf_exe_brand_ok: |
||
3646 | mov [image_base],8048000h |
||
157 | heavyiron | 3647 | cmp byte [esi],80h |
3648 | jne elf_exe_base_ok |
||
3649 | lods word [esi] |
||
3650 | cmp ah,'(' |
||
3651 | jne invalid_argument |
||
3652 | cmp byte [esi],'.' |
||
3653 | je invalid_value |
||
3654 | push edx |
||
3655 | call get_dword_value |
||
3656 | cmp [value_type],0 |
||
3657 | jne invalid_use_of_symbol |
||
3658 | mov [image_base],eax |
||
3659 | pop edx |
||
3660 | elf_exe_base_ok: |
||
31 | halyavin | 3661 | mov byte [edx+10h],2 |
157 | heavyiron | 3662 | mov byte [edx+2Ah],20h |
3663 | mov ebx,edi |
||
3664 | mov ecx,20h shr 2 |
||
3665 | cmp [current_pass],0 |
||
3666 | je init_elf_segments |
||
3667 | imul ecx,[number_of_sections] |
||
3668 | init_elf_segments: |
||
109 | heavyiron | 3669 | xor eax,eax |
157 | heavyiron | 3670 | rep stos dword [edi] |
3671 | mov [number_of_sections],0 |
||
3672 | mov byte [ebx],1 |
||
3673 | mov word [ebx+1Ch],1000h |
||
3674 | mov byte [ebx+18h],111b |
||
3675 | mov eax,edi |
||
3676 | sub eax,[code_start] |
||
3677 | mov [ebx+4],eax |
||
3678 | add eax,[image_base] |
||
3679 | mov [ebx+8],eax |
||
3680 | mov [ebx+0Ch],eax |
||
3681 | mov [edx+18h],eax |
||
3682 | xor edx,edx |
||
3683 | not eax |
||
3684 | not edx |
||
3685 | add eax,1 |
||
3686 | adc edx,0 |
||
3687 | add eax,edi |
||
3688 | adc edx,0 |
||
3689 | mov dword [org_origin],eax |
||
3690 | mov dword [org_origin+4],edx |
||
3691 | mov [org_registers],0 |
||
3692 | mov [org_start],edi |
||
3693 | mov [symbols_stream],edi |
||
3694 | jmp format_defined |
||
607 | heavyiron | 3695 | format_elf64_exe: |
31 | halyavin | 3696 | add esi,2 |
157 | heavyiron | 3697 | or [format_flags],1 |
3698 | cmp byte [esi],'(' |
||
1189 | heavyiron | 3699 | jne elf64_exe_brand_ok |
3700 | inc esi |
||
3701 | cmp byte [esi],'.' |
||
3702 | je invalid_value |
||
3703 | push edx |
||
3704 | call get_byte_value |
||
3705 | cmp [value_type],0 |
||
3706 | jne invalid_use_of_symbol |
||
3707 | pop edx |
||
3708 | mov [edx+7],al |
||
3709 | elf64_exe_brand_ok: |
||
3710 | mov [image_base],400000h |
||
157 | heavyiron | 3711 | mov [image_base_high],0 |
3712 | cmp byte [esi],80h |
||
3713 | jne elf64_exe_base_ok |
||
3714 | lods word [esi] |
||
3715 | cmp ah,'(' |
||
3716 | jne invalid_argument |
||
3717 | cmp byte [esi],'.' |
||
3718 | je invalid_value |
||
3719 | push edx |
||
3720 | call get_qword_value |
||
3721 | cmp [value_type],0 |
||
3722 | jne invalid_use_of_symbol |
||
3723 | mov [image_base],eax |
||
3724 | mov [image_base_high],edx |
||
3725 | pop edx |
||
3726 | elf64_exe_base_ok: |
||
31 | halyavin | 3727 | mov byte [edx+10h],2 |
157 | heavyiron | 3728 | mov byte [edx+36h],38h |
3729 | mov ebx,edi |
||
3730 | mov ecx,38h shr 2 |
||
3731 | cmp [current_pass],0 |
||
3732 | je init_elf64_segments |
||
3733 | imul ecx,[number_of_sections] |
||
3734 | init_elf64_segments: |
||
109 | heavyiron | 3735 | xor eax,eax |
157 | heavyiron | 3736 | rep stos dword [edi] |
3737 | mov [number_of_sections],0 |
||
3738 | mov byte [ebx],1 |
||
3739 | mov word [ebx+30h],1000h |
||
3740 | mov byte [ebx+4],111b |
||
3741 | push edx |
||
3742 | mov eax,edi |
||
3743 | sub eax,[code_start] |
||
3744 | mov [ebx+8],eax |
||
3745 | xor edx,edx |
||
3746 | add eax,[image_base] |
||
3747 | adc edx,[image_base_high] |
||
3748 | mov [ebx+10h],eax |
||
3749 | mov [ebx+10h+4],edx |
||
3750 | mov [ebx+18h],eax |
||
3751 | mov [ebx+18h+4],edx |
||
3752 | pop ebx |
||
3753 | mov [ebx+18h],eax |
||
3754 | mov [ebx+18h+4],edx |
||
3755 | not eax |
||
3756 | not edx |
||
3757 | add eax,1 |
||
3758 | adc edx,0 |
||
3759 | add eax,edi |
||
3760 | adc edx,0 |
||
3761 | mov dword [org_origin],eax |
||
3762 | mov dword [org_origin+4],edx |
||
3763 | mov [org_registers],0 |
||
3764 | mov [org_start],edi |
||
3765 | mov [symbols_stream],edi |
||
3766 | jmp format_defined |
||
607 | heavyiron | 3767 | elf_entry: |
31 | halyavin | 3768 | lods byte [esi] |
157 | heavyiron | 3769 | cmp al,'(' |
3770 | jne invalid_argument |
||
3771 | cmp byte [esi],'.' |
||
3772 | je invalid_value |
||
3773 | test [format_flags],8 |
||
3774 | jnz elf64_entry |
||
3775 | call get_dword_value |
||
3776 | cmp [value_type],0 |
||
3777 | jne invalid_use_of_symbol |
||
3778 | mov edx,[code_start] |
||
3779 | mov [edx+18h],eax |
||
3780 | jmp instruction_assembled |
||
3781 | elf64_entry: |
||
31 | halyavin | 3782 | call get_qword_value |
157 | heavyiron | 3783 | cmp [value_type],0 |
3784 | jne invalid_use_of_symbol |
||
3785 | mov ebx,[code_start] |
||
3786 | mov [ebx+18h],eax |
||
3787 | mov [ebx+1Ch],edx |
||
3788 | jmp instruction_assembled |
||
3789 | elf_segment: |
||
109 | heavyiron | 3790 | bt [format_flags],0 |
157 | heavyiron | 3791 | jnc illegal_instruction |
3792 | test [format_flags],8 |
||
3793 | jnz elf64_segment |
||
3794 | call close_elf_segment |
||
3795 | push eax |
||
3796 | mov ebx,[number_of_sections] |
||
3797 | shl ebx,5 |
||
3798 | add ebx,[code_start] |
||
3799 | add ebx,34h |
||
3800 | cmp ebx,[symbols_stream] |
||
3801 | jb new_elf_segment |
||
3802 | mov ebx,[symbols_stream] |
||
3803 | sub ebx,20h |
||
3804 | push edi |
||
3805 | mov edi,ebx |
||
3806 | mov ecx,20h shr 2 |
||
3807 | xor eax,eax |
||
3808 | rep stos dword [edi] |
||
3809 | pop edi |
||
3810 | or [next_pass_needed],-1 |
||
3811 | new_elf_segment: |
||
109 | heavyiron | 3812 | mov byte [ebx],1 |
157 | heavyiron | 3813 | mov word [ebx+1Ch],1000h |
3814 | elf_segment_flags: |
||
109 | heavyiron | 3815 | cmp byte [esi],1Eh |
1189 | heavyiron | 3816 | je elf_segment_type |
3817 | cmp byte [esi],19h |
||
157 | heavyiron | 3818 | jne elf_segment_flags_ok |
3819 | lods word [esi] |
||
3820 | sub ah,28 |
||
3821 | jbe invalid_argument |
||
3822 | cmp ah,1 |
||
3823 | je mark_elf_segment_flag |
||
3824 | cmp ah,3 |
||
3825 | ja invalid_argument |
||
3826 | xor ah,1 |
||
3827 | cmp ah,2 |
||
3828 | je mark_elf_segment_flag |
||
3829 | inc ah |
||
3830 | mark_elf_segment_flag: |
||
109 | heavyiron | 3831 | test [ebx+18h],ah |
157 | heavyiron | 3832 | jnz setting_already_specified |
3833 | or [ebx+18h],ah |
||
3834 | jmp elf_segment_flags |
||
3835 | elf_segment_type: |
||
1189 | heavyiron | 3836 | cmp byte [ebx],1 |
3837 | jne setting_already_specified |
||
3838 | lods word [esi] |
||
3839 | mov ecx,[number_of_sections] |
||
3840 | jecxz elf_segment_type_ok |
||
3841 | mov edx,[code_start] |
||
3842 | add edx,34h |
||
3843 | scan_elf_segment_types: |
||
3844 | cmp edx,[symbols_stream] |
||
3845 | jae elf_segment_type_ok |
||
3846 | cmp [edx],ah |
||
3847 | je data_already_defined |
||
3848 | add edx,20h |
||
3849 | loop scan_elf_segment_types |
||
3850 | elf_segment_type_ok: |
||
3851 | mov [ebx],ah |
||
3852 | mov word [ebx+1Ch],1 |
||
3853 | jmp elf_segment_flags |
||
3854 | elf_segment_flags_ok: |
||
109 | heavyiron | 3855 | mov eax,edi |
157 | heavyiron | 3856 | sub eax,[code_start] |
3857 | mov [ebx+4],eax |
||
3858 | pop edx |
||
3859 | and eax,0FFFh |
||
3860 | add edx,eax |
||
3861 | mov [ebx+8],edx |
||
3862 | mov [ebx+0Ch],edx |
||
3863 | mov eax,edx |
||
3864 | xor edx,edx |
||
3865 | not eax |
||
3866 | not edx |
||
3867 | add eax,1 |
||
3868 | adc edx,0 |
||
3869 | add eax,edi |
||
3870 | adc edx,0 |
||
3871 | mov dword [org_origin],eax |
||
3872 | mov dword [org_origin+4],edx |
||
3873 | mov [org_registers],0 |
||
3874 | mov [org_start],edi |
||
3875 | inc [number_of_sections] |
||
3876 | jmp instruction_assembled |
||
3877 | close_elf_segment: |
||
109 | heavyiron | 3878 | cmp [number_of_sections],0 |
157 | heavyiron | 3879 | jne finish_elf_segment |
3880 | cmp edi,[symbols_stream] |
||
3881 | jne first_elf_segment_ok |
||
3882 | push edi |
||
3883 | mov edi,[code_start] |
||
3884 | add edi,34h |
||
3885 | mov ecx,20h shr 2 |
||
3886 | xor eax,eax |
||
3887 | rep stos dword [edi] |
||
3888 | pop edi |
||
3889 | mov eax,[image_base] |
||
3890 | ret |
||
3891 | first_elf_segment_ok: |
||
109 | heavyiron | 3892 | inc [number_of_sections] |
157 | heavyiron | 3893 | finish_elf_segment: |
109 | heavyiron | 3894 | mov ebx,[number_of_sections] |
157 | heavyiron | 3895 | dec ebx |
3896 | shl ebx,5 |
||
3897 | add ebx,[code_start] |
||
3898 | add ebx,34h |
||
3899 | mov eax,edi |
||
3900 | sub eax,[code_start] |
||
3901 | sub eax,[ebx+4] |
||
3902 | mov edx,edi |
||
3903 | cmp edi,[undefined_data_end] |
||
3904 | jne elf_segment_size_ok |
||
3905 | mov edi,[undefined_data_start] |
||
3906 | elf_segment_size_ok: |
||
109 | heavyiron | 3907 | mov [ebx+14h],eax |
157 | heavyiron | 3908 | add eax,edi |
3909 | sub eax,edx |
||
3910 | mov [ebx+10h],eax |
||
3911 | mov eax,[ebx+8] |
||
3912 | cmp byte [ebx],1 |
||
1189 | heavyiron | 3913 | jne elf_segment_position_ok |
3914 | add eax,[ebx+14h] |
||
157 | heavyiron | 3915 | add eax,0FFFh |
3916 | elf_segment_position_ok: |
||
1189 | heavyiron | 3917 | and eax,not 0FFFh |
157 | heavyiron | 3918 | ret |
3919 | elf64_segment: |
||
109 | heavyiron | 3920 | call close_elf64_segment |
157 | heavyiron | 3921 | push eax edx |
3922 | mov ebx,[number_of_sections] |
||
3923 | imul ebx,38h |
||
3924 | add ebx,[code_start] |
||
3925 | add ebx,40h |
||
3926 | cmp ebx,[symbols_stream] |
||
3927 | jb new_elf64_segment |
||
3928 | mov ebx,[symbols_stream] |
||
3929 | sub ebx,38h |
||
3930 | push edi |
||
3931 | mov edi,ebx |
||
3932 | mov ecx,38h shr 2 |
||
3933 | xor eax,eax |
||
3934 | rep stos dword [edi] |
||
3935 | pop edi |
||
3936 | or [next_pass_needed],-1 |
||
3937 | new_elf64_segment: |
||
109 | heavyiron | 3938 | mov byte [ebx],1 |
157 | heavyiron | 3939 | mov word [ebx+30h],1000h |
3940 | elf64_segment_flags: |
||
109 | heavyiron | 3941 | cmp byte [esi],1Eh |
1189 | heavyiron | 3942 | je elf64_segment_type |
3943 | cmp byte [esi],19h |
||
157 | heavyiron | 3944 | jne elf64_segment_flags_ok |
3945 | lods word [esi] |
||
3946 | sub ah,28 |
||
3947 | jbe invalid_argument |
||
3948 | cmp ah,1 |
||
3949 | je mark_elf64_segment_flag |
||
3950 | cmp ah,3 |
||
3951 | ja invalid_argument |
||
3952 | xor ah,1 |
||
3953 | cmp ah,2 |
||
3954 | je mark_elf64_segment_flag |
||
3955 | inc ah |
||
3956 | mark_elf64_segment_flag: |
||
109 | heavyiron | 3957 | test [ebx+4],ah |
157 | heavyiron | 3958 | jnz setting_already_specified |
3959 | or [ebx+4],ah |
||
3960 | jmp elf64_segment_flags |
||
3961 | elf64_segment_type: |
||
1189 | heavyiron | 3962 | cmp byte [ebx],1 |
3963 | jne setting_already_specified |
||
3964 | lods word [esi] |
||
3965 | mov ecx,[number_of_sections] |
||
3966 | jecxz elf64_segment_type_ok |
||
3967 | mov edx,[code_start] |
||
3968 | add edx,40h |
||
3969 | scan_elf64_segment_types: |
||
3970 | cmp edx,[symbols_stream] |
||
3971 | jae elf64_segment_type_ok |
||
3972 | cmp [edx],ah |
||
3973 | je data_already_defined |
||
3974 | add edx,38h |
||
3975 | loop scan_elf64_segment_types |
||
3976 | elf64_segment_type_ok: |
||
3977 | mov [ebx],ah |
||
3978 | mov word [ebx+30h],1 |
||
3979 | jmp elf64_segment_flags |
||
3980 | elf64_segment_flags_ok: |
||
109 | heavyiron | 3981 | mov ecx,edi |
157 | heavyiron | 3982 | sub ecx,[code_start] |
3983 | mov [ebx+8],ecx |
||
3984 | pop edx eax |
||
3985 | and ecx,0FFFh |
||
3986 | add eax,ecx |
||
3987 | adc edx,0 |
||
3988 | mov [ebx+10h],eax |
||
3989 | mov [ebx+10h+4],edx |
||
3990 | mov [ebx+18h],eax |
||
3991 | mov [ebx+18h+4],edx |
||
3992 | not eax |
||
3993 | not edx |
||
3994 | add eax,1 |
||
3995 | adc edx,0 |
||
3996 | add eax,edi |
||
3997 | adc edx,0 |
||
3998 | mov dword [org_origin],eax |
||
3999 | mov dword [org_origin+4],edx |
||
4000 | mov [org_registers],0 |
||
4001 | mov [org_start],edi |
||
4002 | inc [number_of_sections] |
||
4003 | jmp instruction_assembled |
||
4004 | close_elf64_segment: |
||
109 | heavyiron | 4005 | cmp [number_of_sections],0 |
157 | heavyiron | 4006 | jne finish_elf64_segment |
4007 | cmp edi,[symbols_stream] |
||
4008 | jne first_elf64_segment_ok |
||
4009 | push edi |
||
4010 | mov edi,[code_start] |
||
4011 | add edi,40h |
||
4012 | mov ecx,38h shr 2 |
||
4013 | xor eax,eax |
||
4014 | rep stos dword [edi] |
||
4015 | pop edi |
||
4016 | mov eax,[image_base] |
||
4017 | mov edx,[image_base_high] |
||
4018 | ret |
||
4019 | first_elf64_segment_ok: |
||
109 | heavyiron | 4020 | inc [number_of_sections] |
157 | heavyiron | 4021 | finish_elf64_segment: |
109 | heavyiron | 4022 | mov ebx,[number_of_sections] |
157 | heavyiron | 4023 | dec ebx |
4024 | imul ebx,38h |
||
4025 | add ebx,[code_start] |
||
4026 | add ebx,40h |
||
4027 | mov eax,edi |
||
4028 | sub eax,[code_start] |
||
4029 | sub eax,[ebx+8] |
||
4030 | mov edx,edi |
||
4031 | cmp edi,[undefined_data_end] |
||
4032 | jne elf64_segment_size_ok |
||
4033 | mov edi,[undefined_data_start] |
||
4034 | elf64_segment_size_ok: |
||
109 | heavyiron | 4035 | mov [ebx+28h],eax |
157 | heavyiron | 4036 | add eax,edi |
4037 | sub eax,edx |
||
4038 | mov [ebx+20h],eax |
||
4039 | mov eax,[ebx+10h] |
||
4040 | mov edx,[ebx+10h+4] |
||
4041 | cmp byte [ebx],1 |
||
1189 | heavyiron | 4042 | jne elf64_segment_position_ok |
4043 | add eax,[ebx+28h] |
||
157 | heavyiron | 4044 | adc edx,0 |
4045 | add eax,0FFFh |
||
1189 | heavyiron | 4046 | adc edx,0 |
157 | heavyiron | 4047 | elf64_segment_position_ok: |
1189 | heavyiron | 4048 | and eax,not 0FFFh |
4049 | ret |
||
157 | heavyiron | 4050 | close_elf_exe: |
31 | halyavin | 4051 | test [format_flags],8 |
157 | heavyiron | 4052 | jnz close_elf64_exe |
4053 | call close_elf_segment |
||
4054 | mov edx,[code_start] |
||
4055 | mov eax,[number_of_sections] |
||
4056 | mov byte [edx+1Ch],34h |
||
4057 | mov [edx+2Ch],ax |
||
4058 | shl eax,5 |
||
4059 | add eax,edx |
||
4060 | add eax,34h |
||
4061 | cmp eax,[symbols_stream] |
||
4062 | je elf_exe_ok |
||
4063 | or [next_pass_needed],-1 |
||
4064 | elf_exe_ok: |
||
31 | halyavin | 4065 | ret |
157 | heavyiron | 4066 | close_elf64_exe: |
31 | halyavin | 4067 | call close_elf64_segment |
157 | heavyiron | 4068 | mov edx,[code_start] |
4069 | mov eax,[number_of_sections] |
||
4070 | mov byte [edx+20h],40h |
||
4071 | mov [edx+38h],ax |
||
4072 | imul eax,38h |
||
4073 | add eax,edx |
||
4074 | add eax,40h |
||
4075 | cmp eax,[symbols_stream] |
||
4076 | je elf64_exe_ok |
||
4077 | or [next_pass_needed],-1 |
||
4078 | elf64_exe_ok: |
||
31 | halyavin | 4079 | ret |
157 | heavyiron | 4080 |