Rev 7859 | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
7836 | leency | 1 | |
2 | ; Copyright (c) 1999-2021, Tomasz Grysztar. |
||
9459 | leency | 3 | ; All rights reserved. |
7836 | leency | 4 | |
5 | |||
6 | mov [current_offset],edi |
||
7 | cmp [output_file],0 |
||
8 | jne output_path_ok |
||
9 | mov esi,[input_file] |
||
10 | mov edi,[free_additional_memory] |
||
11 | duplicate_output_path: |
||
12 | lods byte [esi] |
||
13 | cmp edi,[structures_buffer] |
||
14 | jae out_of_memory |
||
15 | stos byte [edi] |
||
16 | or al,al |
||
17 | jnz duplicate_output_path |
||
18 | dec edi |
||
19 | mov eax,edi |
||
20 | find_extension: |
||
21 | dec eax |
||
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: |
||
32 | lea eax,[edi+9] |
||
33 | cmp eax,[structures_buffer] |
||
34 | jae out_of_memory |
||
35 | cmp [file_extension],0 |
||
36 | jne extension_specified |
||
37 | mov al,[output_format] |
||
38 | cmp al,2 |
||
39 | je exe_extension |
||
40 | jb bin_extension |
||
41 | cmp al,4 |
||
42 | je obj_extension |
||
43 | cmp al,5 |
||
44 | je o_extension |
||
45 | cmp al,3 |
||
46 | jne no_extension |
||
47 | cmp [subsystem],1 |
||
48 | je sys_extension |
||
49 | cmp [subsystem],10 |
||
50 | jae efi_extension |
||
51 | bt [format_flags],8 |
||
52 | jnc exe_extension |
||
53 | mov eax,'.dll' |
||
54 | jmp make_extension |
||
55 | sys_extension: |
||
56 | mov eax,'.sys' |
||
57 | jmp make_extension |
||
58 | efi_extension: |
||
59 | mov eax,'.efi' |
||
60 | jmp make_extension |
||
61 | bin_extension: |
||
62 | mov eax,'.bin' |
||
63 | bt [format_flags],0 |
||
64 | jnc make_extension |
||
65 | mov eax,'.com' |
||
66 | jmp make_extension |
||
67 | obj_extension: |
||
68 | mov eax,'.obj' |
||
69 | jmp make_extension |
||
70 | o_extension: |
||
71 | mov eax,'.o' |
||
72 | bt [format_flags],0 |
||
73 | jnc make_extension |
||
74 | no_extension: |
||
75 | xor eax,eax |
||
76 | jmp make_extension |
||
77 | exe_extension: |
||
78 | mov eax,'.exe' |
||
79 | make_extension: |
||
80 | xchg eax,[edi] |
||
81 | scas dword [edi] |
||
82 | mov byte [edi],0 |
||
83 | scas byte [edi] |
||
84 | mov esi,edi |
||
85 | stos dword [edi] |
||
86 | sub edi,9 |
||
87 | xor eax,eax |
||
88 | mov ebx,characters |
||
89 | adapt_case: |
||
90 | mov al,[esi] |
||
91 | or al,al |
||
92 | jz adapt_next |
||
93 | xlat byte [ebx] |
||
94 | cmp al,[esi] |
||
95 | je adapt_ok |
||
96 | sub byte [edi],20h |
||
97 | adapt_ok: |
||
98 | inc esi |
||
99 | adapt_next: |
||
100 | inc edi |
||
101 | cmp byte [edi],0 |
||
102 | jne adapt_case |
||
103 | jmp extension_ok |
||
104 | extension_specified: |
||
105 | mov al,'.' |
||
106 | stos byte [edi] |
||
107 | mov esi,[file_extension] |
||
108 | copy_extension: |
||
109 | lods byte [esi] |
||
110 | stos byte [edi] |
||
111 | test al,al |
||
112 | jnz copy_extension |
||
113 | dec edi |
||
114 | extension_ok: |
||
115 | mov esi,edi |
||
116 | lea ecx,[esi+1] |
||
117 | sub ecx,[free_additional_memory] |
||
118 | mov edi,[structures_buffer] |
||
119 | dec edi |
||
120 | std |
||
121 | rep movs byte [edi],[esi] |
||
122 | cld |
||
123 | inc edi |
||
124 | mov [structures_buffer],edi |
||
125 | mov [output_file],edi |
||
126 | output_path_ok: |
||
127 | cmp [symbols_file],0 |
||
128 | je labels_table_ok |
||
129 | mov ecx,[memory_end] |
||
130 | sub ecx,[labels_list] |
||
131 | mov edi,[tagged_blocks] |
||
132 | sub edi,8 |
||
133 | mov [edi],ecx |
||
134 | or dword [edi+4],-1 |
||
135 | sub edi,ecx |
||
136 | cmp edi,[current_offset] |
||
137 | jbe out_of_memory |
||
138 | mov [tagged_blocks],edi |
||
139 | mov esi,[memory_end] |
||
140 | copy_labels: |
||
141 | sub esi,32 |
||
142 | cmp esi,[labels_list] |
||
143 | jb labels_table_ok |
||
144 | mov ecx,32 shr 2 |
||
145 | rep movs dword [edi],[esi] |
||
146 | sub esi,32 |
||
147 | jmp copy_labels |
||
148 | labels_table_ok: |
||
149 | mov edi,[current_offset] |
||
150 | cmp [output_format],4 |
||
151 | je coff_formatter |
||
152 | cmp [output_format],5 |
||
153 | jne common_formatter |
||
154 | bt [format_flags],0 |
||
155 | jnc elf_formatter |
||
156 | common_formatter: |
||
157 | mov eax,edi |
||
158 | sub eax,[code_start] |
||
159 | mov [real_code_size],eax |
||
160 | cmp edi,[undefined_data_end] |
||
161 | jne calculate_code_size |
||
162 | mov edi,[undefined_data_start] |
||
163 | calculate_code_size: |
||
164 | mov [current_offset],edi |
||
165 | sub edi,[code_start] |
||
166 | mov [code_size],edi |
||
167 | and [written_size],0 |
||
168 | mov edx,[output_file] |
||
169 | call create |
||
170 | jc write_failed |
||
171 | cmp [output_format],3 |
||
172 | jne stub_written |
||
173 | mov edx,[code_start] |
||
174 | mov ecx,[stub_size] |
||
175 | sub edx,ecx |
||
176 | add [written_size],ecx |
||
177 | call write |
||
178 | stub_written: |
||
179 | cmp [output_format],2 |
||
180 | jne write_output |
||
181 | call write_mz_header |
||
182 | write_output: |
||
183 | call write_code |
||
184 | output_written: |
||
185 | call close |
||
186 | cmp [symbols_file],0 |
||
187 | jne dump_symbols |
||
188 | ret |
||
189 | write_code: |
||
190 | mov eax,[written_size] |
||
191 | mov [headers_size],eax |
||
192 | mov edx,[code_start] |
||
193 | mov ecx,[code_size] |
||
194 | add [written_size],ecx |
||
195 | lea eax,[edx+ecx] |
||
196 | call write |
||
197 | jc write_failed |
||
198 | ret |
||
199 | format_directive: |
||
200 | cmp edi,[code_start] |
||
201 | jne unexpected_instruction |
||
202 | mov ebp,[addressing_space] |
||
203 | test byte [ds:ebp+0Ah],1 |
||
204 | jnz unexpected_instruction |
||
205 | cmp [output_format],0 |
||
206 | jne unexpected_instruction |
||
207 | lods byte [esi] |
||
208 | cmp al,1Ch |
||
209 | je format_prefix |
||
210 | cmp al,18h |
||
211 | jne invalid_argument |
||
212 | lods byte [esi] |
||
213 | select_format: |
||
214 | mov dl,al |
||
215 | shr al,4 |
||
216 | mov [output_format],al |
||
217 | and edx,0Fh |
||
218 | or [format_flags],edx |
||
219 | cmp al,2 |
||
220 | je format_mz |
||
221 | cmp al,3 |
||
222 | je format_pe |
||
223 | cmp al,4 |
||
224 | je format_coff |
||
225 | cmp al,5 |
||
226 | je format_elf |
||
227 | format_defined: |
||
228 | cmp byte [esi],86h |
||
229 | jne instruction_assembled |
||
230 | cmp word [esi+1],'(' |
||
231 | jne invalid_argument |
||
232 | mov eax,[esi+3] |
||
233 | add esi,3+4 |
||
234 | mov [file_extension],esi |
||
235 | lea esi,[esi+eax+1] |
||
236 | jmp instruction_assembled |
||
237 | format_prefix: |
||
238 | lods byte [esi] |
||
239 | mov ah,al |
||
240 | lods byte [esi] |
||
241 | cmp al,18h |
||
242 | jne invalid_argument |
||
243 | lods byte [esi] |
||
244 | mov edx,eax |
||
245 | shr dl,4 |
||
246 | shr dh,4 |
||
247 | cmp dl,dh |
||
248 | jne invalid_argument |
||
249 | or al,ah |
||
250 | jmp select_format |
||
251 | entry_directive: |
||
252 | bts [format_flags],10h |
||
253 | jc setting_already_specified |
||
254 | mov al,[output_format] |
||
255 | cmp al,2 |
||
256 | je mz_entry |
||
257 | cmp al,3 |
||
258 | je pe_entry |
||
259 | cmp al,5 |
||
260 | jne illegal_instruction |
||
261 | bt [format_flags],0 |
||
262 | jc elf_entry |
||
263 | jmp illegal_instruction |
||
264 | stack_directive: |
||
265 | bts [format_flags],11h |
||
266 | jc setting_already_specified |
||
267 | mov al,[output_format] |
||
268 | cmp al,2 |
||
269 | je mz_stack |
||
270 | cmp al,3 |
||
271 | je pe_stack |
||
272 | jmp illegal_instruction |
||
273 | heap_directive: |
||
274 | bts [format_flags],12h |
||
275 | jc setting_already_specified |
||
276 | mov al,[output_format] |
||
277 | cmp al,2 |
||
278 | je mz_heap |
||
279 | cmp al,3 |
||
280 | je pe_heap |
||
281 | jmp illegal_instruction |
||
282 | segment_directive: |
||
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: |
||
290 | mov al,[output_format] |
||
291 | cmp al,3 |
||
292 | je pe_section |
||
293 | cmp al,4 |
||
294 | je coff_section |
||
295 | cmp al,5 |
||
296 | je elf_section |
||
297 | jmp illegal_instruction |
||
298 | public_directive: |
||
299 | mov al,[output_format] |
||
300 | cmp al,4 |
||
301 | je public_allowed |
||
302 | cmp al,5 |
||
303 | jne illegal_instruction |
||
304 | bt [format_flags],0 |
||
305 | jc illegal_instruction |
||
306 | public_allowed: |
||
307 | mov [base_code],0C0h |
||
308 | lods byte [esi] |
||
309 | cmp al,2 |
||
310 | je public_label |
||
311 | cmp al,1Dh |
||
312 | jne invalid_argument |
||
313 | lods byte [esi] |
||
314 | and al,7 |
||
315 | add [base_code],al |
||
316 | lods byte [esi] |
||
317 | cmp al,2 |
||
318 | jne invalid_argument |
||
319 | public_label: |
||
320 | lods dword [esi] |
||
321 | cmp eax,0Fh |
||
322 | jb invalid_use_of_symbol |
||
323 | je reserved_word_used_as_symbol |
||
324 | inc esi |
||
325 | mov dx,[current_pass] |
||
326 | mov [eax+18],dx |
||
327 | or byte [eax+8],8 |
||
328 | mov ebx,eax |
||
329 | call store_label_reference |
||
330 | mov eax,ebx |
||
331 | mov ebx,[free_additional_memory] |
||
332 | lea edx,[ebx+10h] |
||
333 | cmp edx,[structures_buffer] |
||
334 | jae out_of_memory |
||
335 | mov [free_additional_memory],edx |
||
336 | mov [ebx+8],eax |
||
337 | mov eax,[current_line] |
||
338 | mov [ebx+0Ch],eax |
||
339 | lods byte [esi] |
||
340 | cmp al,86h |
||
341 | jne invalid_argument |
||
342 | lods word [esi] |
||
343 | cmp ax,'(' |
||
344 | jne invalid_argument |
||
345 | mov [ebx+4],esi |
||
346 | lods dword [esi] |
||
347 | lea esi,[esi+eax+1] |
||
348 | mov al,[base_code] |
||
349 | mov [ebx],al |
||
350 | jmp instruction_assembled |
||
351 | extrn_directive: |
||
352 | mov al,[output_format] |
||
353 | cmp al,4 |
||
354 | je extrn_allowed |
||
355 | cmp al,5 |
||
356 | jne illegal_instruction |
||
357 | bt [format_flags],0 |
||
358 | jc illegal_instruction |
||
359 | extrn_allowed: |
||
360 | lods word [esi] |
||
361 | cmp ax,'(' |
||
362 | jne invalid_argument |
||
363 | mov ebx,esi |
||
364 | lods dword [esi] |
||
365 | lea esi,[esi+eax+1] |
||
366 | mov edx,[free_additional_memory] |
||
367 | lea eax,[edx+0Ch] |
||
368 | cmp eax,[structures_buffer] |
||
369 | jae out_of_memory |
||
370 | mov [free_additional_memory],eax |
||
371 | mov byte [edx],80h |
||
372 | mov [edx+4],ebx |
||
373 | lods byte [esi] |
||
374 | cmp al,86h |
||
375 | jne invalid_argument |
||
376 | lods byte [esi] |
||
377 | cmp al,2 |
||
378 | jne invalid_argument |
||
379 | lods dword [esi] |
||
380 | cmp eax,0Fh |
||
381 | jb invalid_use_of_symbol |
||
382 | je reserved_word_used_as_symbol |
||
383 | inc esi |
||
384 | mov ebx,eax |
||
385 | xor ah,ah |
||
386 | lods byte [esi] |
||
387 | cmp al,':' |
||
388 | je get_extrn_size |
||
389 | dec esi |
||
390 | cmp al,11h |
||
391 | jne extrn_size_ok |
||
392 | get_extrn_size: |
||
393 | lods word [esi] |
||
394 | cmp al,11h |
||
395 | jne invalid_argument |
||
396 | extrn_size_ok: |
||
397 | mov [address_symbol],edx |
||
398 | mov [label_size],ah |
||
399 | movzx ecx,ah |
||
400 | mov [edx+8],ecx |
||
401 | xor eax,eax |
||
402 | xor edx,edx |
||
403 | xor ebp,ebp |
||
404 | mov [address_sign],0 |
||
405 | mov ch,2 |
||
406 | test [format_flags],8 |
||
407 | jz make_free_label |
||
408 | mov ch,4 |
||
409 | jmp make_free_label |
||
410 | mark_relocation: |
||
411 | cmp [value_type],0 |
||
412 | je relocation_ok |
||
413 | mov ebp,[addressing_space] |
||
414 | test byte [ds:ebp+0Ah],1 |
||
415 | jnz relocation_ok |
||
416 | cmp [output_format],2 |
||
417 | je mark_mz_relocation |
||
418 | cmp [output_format],3 |
||
419 | je mark_pe_relocation |
||
420 | cmp [output_format],4 |
||
421 | je mark_coff_relocation |
||
422 | cmp [output_format],5 |
||
423 | je mark_elf_relocation |
||
424 | relocation_ok: |
||
425 | ret |
||
426 | close_pass: |
||
427 | mov al,[output_format] |
||
428 | cmp al,3 |
||
429 | je close_pe |
||
430 | cmp al,4 |
||
431 | je close_coff |
||
432 | cmp al,5 |
||
433 | je close_elf |
||
434 | ret |
||
435 | |||
436 | |||
437 | mov edx,[additional_memory] |
||
438 | push edi |
||
439 | mov edi,edx |
||
440 | mov ecx,1Ch shr 2 |
||
441 | xor eax,eax |
||
442 | rep stos dword [edi] |
||
443 | mov [free_additional_memory],edi |
||
444 | pop edi |
||
445 | mov word [edx+0Ch],0FFFFh |
||
446 | mov word [edx+10h],1000h |
||
447 | mov [code_type],16 |
||
448 | jmp format_defined |
||
449 | mark_mz_relocation: |
||
450 | push eax ebx |
||
451 | inc word [number_of_relocations] |
||
452 | jz format_limitations_exceeded |
||
453 | mov ebx,[free_additional_memory] |
||
454 | mov eax,edi |
||
455 | sub eax,[code_start] |
||
456 | mov [ebx],ax |
||
457 | shr eax,16 |
||
458 | shl ax,12 |
||
459 | mov [ebx+2],ax |
||
460 | cmp word [ebx],0FFFFh |
||
461 | jne mz_relocation_ok |
||
462 | inc word [ebx+2] |
||
463 | sub word [ebx],10h |
||
464 | mz_relocation_ok: |
||
465 | add ebx,4 |
||
466 | cmp ebx,[structures_buffer] |
||
467 | jae out_of_memory |
||
468 | mov [free_additional_memory],ebx |
||
469 | pop ebx eax |
||
470 | ret |
||
471 | mz_segment: |
||
472 | lods byte [esi] |
||
473 | cmp al,2 |
||
474 | jne invalid_argument |
||
475 | lods dword [esi] |
||
476 | cmp eax,0Fh |
||
477 | jb invalid_use_of_symbol |
||
478 | je reserved_word_used_as_symbol |
||
479 | inc esi |
||
480 | mov ebx,eax |
||
481 | mov eax,edi |
||
482 | sub eax,[code_start] |
||
483 | mov ecx,0Fh |
||
484 | add eax,0Fh |
||
485 | and eax,1111b |
||
486 | sub ecx,eax |
||
487 | mov edx,edi |
||
488 | xor eax,eax |
||
489 | rep stos byte [edi] |
||
490 | mov eax,edx |
||
491 | call undefined_data |
||
492 | push ebx |
||
493 | call create_addressing_space |
||
494 | pop ebx |
||
495 | mov eax,edi |
||
496 | sub eax,[code_start] |
||
497 | shr eax,4 |
||
498 | cmp eax,10000h |
||
499 | jae value_out_of_range |
||
500 | mov edx,eax |
||
501 | mov al,16 |
||
502 | cmp byte [esi],13h |
||
503 | jne segment_type_ok |
||
504 | inc esi |
||
505 | lods byte [esi] |
||
506 | segment_type_ok: |
||
507 | mov [code_type],al |
||
508 | mov eax,edx |
||
509 | mov ch,1 |
||
510 | mov [address_sign],0 |
||
511 | xor edx,edx |
||
512 | xor ebp,ebp |
||
513 | mov [label_size],0 |
||
514 | mov [address_symbol],edx |
||
515 | jmp make_free_label |
||
516 | mz_entry: |
||
517 | lods byte [esi] |
||
518 | cmp al,'(' |
||
519 | jne invalid_argument |
||
520 | call get_word_value |
||
521 | cmp [value_type],1 |
||
522 | je initial_cs_ok |
||
523 | call recoverable_invalid_address |
||
524 | initial_cs_ok: |
||
525 | mov edx,[additional_memory] |
||
526 | mov [edx+16h],ax |
||
527 | lods byte [esi] |
||
528 | cmp al,':' |
||
529 | jne invalid_argument |
||
530 | lods byte [esi] |
||
531 | cmp al,'(' |
||
532 | jne invalid_argument |
||
533 | ja invalid_address |
||
534 | call get_word_value |
||
535 | cmp [value_type],0 |
||
536 | jne invalid_use_of_symbol |
||
537 | mov edx,[additional_memory] |
||
538 | mov [edx+14h],ax |
||
539 | jmp instruction_assembled |
||
540 | recoverable_invalid_address: |
||
541 | cmp [error_line],0 |
||
542 | jne ignore_invalid_address |
||
543 | push [current_line] |
||
544 | pop [error_line] |
||
545 | mov [error],invalid_address |
||
546 | ignore_invalid_address: |
||
547 | ret |
||
548 | mz_stack: |
||
549 | lods byte [esi] |
||
550 | cmp al,'(' |
||
551 | jne invalid_argument |
||
552 | call get_word_value |
||
553 | cmp byte [esi],':' |
||
554 | je stack_pointer |
||
555 | cmp ax,10h |
||
556 | jb invalid_value |
||
557 | cmp [value_type],0 |
||
558 | jne invalid_use_of_symbol |
||
559 | mov edx,[additional_memory] |
||
560 | mov [edx+10h],ax |
||
561 | jmp instruction_assembled |
||
562 | stack_pointer: |
||
563 | cmp [value_type],1 |
||
564 | je initial_ss_ok |
||
565 | call recoverable_invalid_address |
||
566 | initial_ss_ok: |
||
567 | mov edx,[additional_memory] |
||
568 | mov [edx+0Eh],ax |
||
569 | lods byte [esi] |
||
570 | cmp al,':' |
||
571 | jne invalid_argument |
||
572 | lods byte [esi] |
||
573 | cmp al,'(' |
||
574 | jne invalid_argument |
||
575 | call get_word_value |
||
576 | cmp [value_type],0 |
||
577 | jne invalid_use_of_symbol |
||
578 | mov edx,[additional_memory] |
||
579 | mov [edx+10h],ax |
||
580 | bts [format_flags],4 |
||
581 | jmp instruction_assembled |
||
582 | mz_heap: |
||
583 | cmp [output_format],2 |
||
584 | jne illegal_instruction |
||
585 | lods byte [esi] |
||
586 | call get_size_operator |
||
587 | cmp ah,1 |
||
588 | je invalid_value |
||
589 | cmp ah,2 |
||
590 | ja invalid_value |
||
591 | cmp al,'(' |
||
592 | jne invalid_argument |
||
593 | call get_word_value |
||
594 | cmp [value_type],0 |
||
595 | jne invalid_use_of_symbol |
||
596 | mov edx,[additional_memory] |
||
597 | mov [edx+0Ch],ax |
||
598 | jmp instruction_assembled |
||
599 | write_mz_header: |
||
600 | mov edx,[additional_memory] |
||
601 | bt [format_flags],4 |
||
602 | jc mz_stack_ok |
||
603 | mov eax,[real_code_size] |
||
604 | dec eax |
||
605 | shr eax,4 |
||
606 | inc eax |
||
607 | mov [edx+0Eh],ax |
||
608 | shl eax,4 |
||
609 | movzx ecx,word [edx+10h] |
||
610 | add eax,ecx |
||
611 | mov [real_code_size],eax |
||
612 | mz_stack_ok: |
||
613 | mov edi,[free_additional_memory] |
||
614 | mov eax,[number_of_relocations] |
||
615 | shl eax,2 |
||
616 | add eax,1Ch |
||
617 | sub edi,eax |
||
618 | xchg edi,[free_additional_memory] |
||
619 | mov ecx,0Fh |
||
620 | add eax,0Fh |
||
621 | and eax,1111b |
||
622 | sub ecx,eax |
||
623 | xor al,al |
||
624 | rep stos byte [edi] |
||
625 | sub edi,[free_additional_memory] |
||
626 | mov ecx,edi |
||
627 | shr edi,4 |
||
628 | mov word [edx],'MZ' ; signature |
||
629 | mov [edx+8],di ; header size in paragraphs |
||
630 | mov eax,[number_of_relocations] |
||
631 | mov [edx+6],ax ; number of relocation entries |
||
632 | mov eax,[code_size] |
||
633 | add eax,ecx |
||
634 | mov esi,eax |
||
635 | shr esi,9 |
||
636 | and eax,1FFh |
||
637 | inc si |
||
638 | or ax,ax |
||
639 | jnz mz_size_ok |
||
640 | dec si |
||
641 | mz_size_ok: |
||
642 | mov [edx+2],ax ; number of bytes in last page |
||
643 | mov [edx+4],si ; number of pages |
||
644 | mov eax,[real_code_size] |
||
645 | dec eax |
||
646 | shr eax,4 |
||
647 | inc eax |
||
648 | mov esi,[code_size] |
||
649 | dec esi |
||
650 | shr esi,4 |
||
651 | inc esi |
||
652 | sub eax,esi |
||
653 | mov [edx+0Ah],ax ; minimum memory in addition to code |
||
654 | add [edx+0Ch],ax ; maximum memory in addition to code |
||
655 | salc |
||
656 | mov ah,al |
||
657 | or [edx+0Ch],ax |
||
658 | mov word [edx+18h],1Ch ; offset of relocation table |
||
659 | add [written_size],ecx |
||
660 | call write |
||
661 | jc write_failed |
||
662 | ret |
||
663 | |||
664 | |||
665 | mov [stub_file],edx |
||
666 | or edx,edx |
||
667 | jnz stub_from_file |
||
668 | push esi |
||
669 | mov edx,edi |
||
670 | xor eax,eax |
||
671 | mov ecx,20h |
||
672 | rep stos dword [edi] |
||
673 | mov eax,40h+default_stub_end-default_stub |
||
674 | mov cx,100h+default_stub_end-default_stub |
||
675 | mov word [edx],'MZ' |
||
676 | mov byte [edx+4],1 |
||
677 | mov word [edx+2],ax |
||
678 | mov byte [edx+8],4 |
||
679 | mov byte [edx+0Ah],10h |
||
680 | mov word [edx+0Ch],0FFFFh |
||
681 | mov word [edx+10h],cx |
||
682 | mov word [edx+3Ch],ax |
||
683 | mov byte [edx+18h],40h |
||
684 | lea edi,[edx+40h] |
||
685 | mov esi,default_stub |
||
686 | mov ecx,default_stub_end-default_stub |
||
687 | rep movs byte [edi],[esi] |
||
688 | pop esi |
||
689 | jmp stub_ok |
||
690 | default_stub: |
||
691 | use16 |
||
692 | push cs |
||
693 | pop ds |
||
694 | mov dx,stub_message-default_stub |
||
695 | mov ah,9 |
||
696 | int 21h |
||
697 | mov ax,4C01h |
||
698 | int 21h |
||
699 | stub_message db 'This program cannot be run in DOS mode.',0Dh,0Ah,24h |
||
700 | rq 1 |
||
701 | default_stub_end: |
||
702 | use32 |
||
703 | stub_from_file: |
||
704 | push esi |
||
705 | mov esi,edx |
||
706 | call open_binary_file |
||
707 | mov edx,edi |
||
708 | mov ecx,1Ch |
||
709 | mov esi,edx |
||
710 | call read |
||
711 | jc binary_stub |
||
712 | cmp word [esi],'MZ' |
||
713 | jne binary_stub |
||
714 | add edi,1Ch |
||
715 | movzx ecx,word [esi+6] |
||
716 | add ecx,11b |
||
717 | and ecx,not 11b |
||
718 | add ecx,(40h-1Ch) shr 2 |
||
719 | lea eax,[edi+ecx*4] |
||
720 | cmp edi,[tagged_blocks] |
||
721 | jae out_of_memory |
||
722 | xor eax,eax |
||
723 | rep stos dword [edi] |
||
724 | mov edx,40h |
||
725 | xchg dx,[esi+18h] |
||
726 | xor al,al |
||
727 | call lseek |
||
728 | movzx ecx,word [esi+6] |
||
729 | shl ecx,2 |
||
730 | lea edx,[esi+40h] |
||
731 | call read |
||
732 | mov edx,edi |
||
733 | sub edx,esi |
||
734 | shr edx,4 |
||
735 | xchg dx,[esi+8] |
||
736 | shl edx,4 |
||
737 | xor al,al |
||
738 | call lseek |
||
739 | movzx ecx,word [esi+4] |
||
740 | dec ecx |
||
741 | shl ecx,9 |
||
742 | movzx edx,word [esi+2] |
||
743 | test edx,edx |
||
744 | jnz stub_header_size_ok |
||
745 | mov dx,200h |
||
746 | stub_header_size_ok: |
||
747 | add ecx,edx |
||
748 | mov edx,edi |
||
749 | sub ecx,eax |
||
750 | je read_stub_code |
||
751 | jb stub_code_ok |
||
752 | push ecx |
||
753 | dec ecx |
||
754 | shr ecx,3 |
||
755 | inc ecx |
||
756 | shl ecx,1 |
||
757 | lea eax,[edi+ecx*4] |
||
758 | cmp eax,[tagged_blocks] |
||
759 | jae out_of_memory |
||
760 | xor eax,eax |
||
761 | rep stos dword [edi] |
||
762 | pop ecx |
||
763 | read_stub_code: |
||
764 | call read |
||
765 | stub_code_ok: |
||
766 | call close |
||
767 | mov edx,edi |
||
768 | sub edx,esi |
||
769 | mov ax,dx |
||
770 | and ax,1FFh |
||
771 | mov [esi+2],ax |
||
772 | dec edx |
||
773 | shr edx,9 |
||
774 | inc edx |
||
775 | mov [esi+4],dx |
||
776 | mov eax,edi |
||
777 | sub eax,esi |
||
778 | mov [esi+3Ch],eax |
||
779 | pop esi |
||
780 | stub_ok: |
||
781 | ret |
||
782 | binary_stub: |
||
783 | mov esi,edi |
||
784 | mov ecx,40h shr 2 |
||
785 | xor eax,eax |
||
786 | rep stos dword [edi] |
||
787 | mov al,2 |
||
788 | xor edx,edx |
||
789 | call lseek |
||
790 | push eax |
||
791 | xor al,al |
||
792 | xor edx,edx |
||
793 | call lseek |
||
794 | mov ecx,[esp] |
||
795 | add ecx,40h+111b |
||
796 | and ecx,not 111b |
||
797 | mov ax,cx |
||
798 | and ax,1FFh |
||
799 | mov [esi+2],ax |
||
800 | lea eax,[ecx+1FFh] |
||
801 | shr eax,9 |
||
802 | mov [esi+4],ax |
||
803 | mov [esi+3Ch],ecx |
||
804 | sub ecx,40h |
||
805 | mov eax,10000h |
||
806 | sub eax,ecx |
||
807 | jbe binary_heap_ok |
||
808 | shr eax,4 |
||
809 | mov [esi+0Ah],ax |
||
810 | binary_heap_ok: |
||
811 | mov word [esi],'MZ' |
||
812 | mov byte [esi+8],4 |
||
813 | mov ax,0FFFFh |
||
814 | mov [esi+0Ch],ax |
||
815 | dec ax |
||
816 | mov [esi+10h],ax |
||
817 | sub ax,0Eh |
||
818 | mov [esi+0Eh],ax |
||
819 | mov [esi+16h],ax |
||
820 | mov word [esi+14h],100h |
||
821 | mov byte [esi+18h],40h |
||
822 | mov eax,[tagged_blocks] |
||
823 | sub eax,ecx |
||
824 | cmp edi,eax |
||
825 | jae out_of_memory |
||
826 | mov edx,edi |
||
827 | shr ecx,2 |
||
828 | xor eax,eax |
||
829 | rep stos dword [edi] |
||
830 | pop ecx |
||
831 | call read |
||
832 | call close |
||
833 | pop esi |
||
834 | ret |
||
835 | |||
836 | |||
837 | xor edx,edx |
||
838 | mov [machine],14Ch |
||
839 | mov [subsystem],3 |
||
840 | mov [subsystem_version],3 + 10 shl 16 |
||
841 | mov [image_base],400000h |
||
842 | and [image_base_high],0 |
||
843 | test [format_flags],8 |
||
844 | jz pe_settings |
||
845 | mov [machine],8664h |
||
846 | mov [subsystem_version],5 + 0 shl 16 |
||
847 | pe_settings: |
||
848 | cmp byte [esi],84h |
||
849 | je get_stub_name |
||
850 | cmp byte [esi],80h |
||
851 | je get_pe_base |
||
852 | cmp byte [esi],1Bh |
||
853 | jne pe_settings_ok |
||
854 | lods byte [esi] |
||
855 | lods byte [esi] |
||
856 | test al,80h+40h |
||
857 | jz subsystem_setting |
||
858 | cmp al,80h |
||
859 | je dll_flag |
||
860 | cmp al,81h |
||
861 | je wdm_flag |
||
862 | cmp al,82h |
||
863 | je large_flag |
||
864 | cmp al,83h |
||
865 | je nx_flag |
||
866 | jmp pe_settings |
||
867 | dll_flag: |
||
868 | bts [format_flags],8 |
||
869 | jc setting_already_specified |
||
870 | jmp pe_settings |
||
871 | wdm_flag: |
||
872 | bts [format_flags],9 |
||
873 | jc setting_already_specified |
||
874 | jmp pe_settings |
||
875 | large_flag: |
||
876 | bts [format_flags],11 |
||
877 | jc setting_already_specified |
||
878 | test [format_flags],8 |
||
879 | jnz invalid_argument |
||
880 | jmp pe_settings |
||
881 | nx_flag: |
||
882 | bts [format_flags],12 |
||
883 | jc setting_already_specified |
||
884 | jmp pe_settings |
||
885 | subsystem_setting: |
||
886 | bts [format_flags],7 |
||
887 | jc setting_already_specified |
||
888 | and ax,3Fh |
||
889 | mov [subsystem],ax |
||
890 | cmp ax,10 |
||
891 | jb subsystem_type_ok |
||
892 | or [format_flags],4 |
||
893 | subsystem_type_ok: |
||
894 | cmp byte [esi],'(' |
||
895 | jne pe_settings |
||
896 | inc esi |
||
897 | cmp byte [esi],'.' |
||
898 | jne invalid_value |
||
899 | inc esi |
||
900 | push edx |
||
901 | cmp byte [esi+11],0 |
||
902 | jne invalid_value |
||
903 | cmp byte [esi+10],2 |
||
904 | ja invalid_value |
||
905 | mov dx,[esi+8] |
||
906 | cmp dx,8000h |
||
907 | je zero_version |
||
908 | mov eax,[esi+4] |
||
909 | cmp dx,7 |
||
910 | jg invalid_value |
||
911 | mov cx,7 |
||
912 | sub cx,dx |
||
913 | mov eax,[esi+4] |
||
914 | shr eax,cl |
||
915 | mov ebx,eax |
||
916 | shr ebx,24 |
||
917 | cmp bl,100 |
||
918 | jae invalid_value |
||
919 | and eax,0FFFFFFh |
||
920 | mov ecx,100 |
||
921 | mul ecx |
||
922 | shrd eax,edx,24 |
||
923 | jnc version_value_ok |
||
924 | inc eax |
||
925 | version_value_ok: |
||
926 | shl eax,16 |
||
927 | mov ax,bx |
||
928 | jmp subsystem_version_ok |
||
929 | zero_version: |
||
930 | xor eax,eax |
||
931 | subsystem_version_ok: |
||
932 | pop edx |
||
933 | add esi,13 |
||
934 | mov [subsystem_version],eax |
||
935 | jmp pe_settings |
||
936 | get_pe_base: |
||
937 | bts [format_flags],10 |
||
938 | jc setting_already_specified |
||
939 | lods word [esi] |
||
940 | cmp ah,'(' |
||
941 | jne invalid_argument |
||
942 | cmp byte [esi],'.' |
||
943 | je invalid_value |
||
944 | push edx edi |
||
945 | add edi,[stub_size] |
||
946 | test [format_flags],4 |
||
947 | jnz get_peplus_base |
||
948 | call get_dword_value |
||
949 | mov [image_base],eax |
||
950 | jmp pe_base_ok |
||
951 | get_peplus_base: |
||
952 | call get_qword_value |
||
953 | mov [image_base],eax |
||
954 | mov [image_base_high],edx |
||
955 | pe_base_ok: |
||
956 | pop edi edx |
||
957 | cmp [value_type],0 |
||
958 | jne invalid_use_of_symbol |
||
959 | cmp byte [esi],84h |
||
960 | jne pe_settings_ok |
||
961 | get_stub_name: |
||
962 | lods byte [esi] |
||
963 | lods word [esi] |
||
964 | cmp ax,'(' |
||
965 | jne invalid_argument |
||
966 | lods dword [esi] |
||
967 | mov edx,esi |
||
968 | add esi,eax |
||
969 | inc esi |
||
970 | pe_settings_ok: |
||
971 | mov ebp,[stub_size] |
||
972 | or ebp,ebp |
||
973 | jz make_pe_stub |
||
974 | cmp edx,[stub_file] |
||
975 | je pe_stub_ok |
||
976 | sub edi,[stub_size] |
||
977 | mov [code_start],edi |
||
978 | make_pe_stub: |
||
979 | call make_stub |
||
980 | mov eax,edi |
||
981 | sub eax,[code_start] |
||
982 | mov [stub_size],eax |
||
983 | mov [code_start],edi |
||
984 | mov ebp,eax |
||
985 | pe_stub_ok: |
||
986 | mov edx,edi |
||
987 | mov ecx,18h+0E0h |
||
988 | test [format_flags],4 |
||
989 | jz zero_pe_header |
||
990 | add ecx,10h |
||
991 | zero_pe_header: |
||
992 | add ebp,ecx |
||
993 | shr ecx,2 |
||
994 | xor eax,eax |
||
995 | rep stos dword [edi] |
||
996 | mov word [edx],'PE' ; signature |
||
997 | mov ax,[machine] |
||
998 | mov word [edx+4],ax |
||
999 | mov byte [edx+38h+1],10h ; section alignment |
||
1000 | mov byte [edx+3Ch+1],2 ; file alignment |
||
1001 | mov byte [edx+40h],1 ; OS version |
||
1002 | mov eax,[subsystem_version] |
||
1003 | mov [edx+48h],eax |
||
1004 | mov ax,[subsystem] |
||
1005 | mov [edx+5Ch],ax |
||
1006 | cmp ax,1 |
||
1007 | jne pe_alignment_ok |
||
1008 | mov eax,20h |
||
1009 | mov dword [edx+38h],eax |
||
1010 | mov dword [edx+3Ch],eax |
||
1011 | pe_alignment_ok: |
||
1012 | mov word [edx+1Ah],VERSION_MAJOR + VERSION_MINOR shl 8 |
||
1013 | test [format_flags],4 |
||
1014 | jnz init_peplus_specific |
||
1015 | mov byte [edx+14h],0E0h ; size of optional header |
||
1016 | mov dword [edx+16h],10B010Fh; flags and magic value |
||
1017 | mov eax,[image_base] |
||
1018 | mov [edx+34h],eax |
||
1019 | mov byte [edx+60h+1],10h ; stack reserve |
||
1020 | mov byte [edx+64h+1],10h ; stack commit |
||
1021 | mov byte [edx+68h+2],1 ; heap reserve |
||
1022 | mov byte [edx+74h],16 ; number of directories |
||
1023 | jmp pe_header_ok |
||
1024 | init_peplus_specific: |
||
1025 | mov byte [edx+14h],0F0h ; size of optional header |
||
1026 | mov dword [edx+16h],20B002Fh; flags and magic value |
||
1027 | mov eax,[image_base] |
||
1028 | mov [edx+30h],eax |
||
1029 | mov eax,[image_base_high] |
||
1030 | mov [edx+34h],eax |
||
1031 | mov byte [edx+60h+1],10h ; stack reserve |
||
1032 | mov byte [edx+68h+1],10h ; stack commit |
||
1033 | mov byte [edx+70h+2],1 ; heap reserve |
||
1034 | mov byte [edx+84h],16 ; number of directories |
||
1035 | pe_header_ok: |
||
1036 | bsf ecx,[edx+3Ch] |
||
1037 | imul ebx,[number_of_sections],28h |
||
1038 | or ebx,ebx |
||
1039 | jnz reserve_space_for_section_headers |
||
1040 | mov ebx,28h |
||
1041 | reserve_space_for_section_headers: |
||
1042 | add ebx,ebp |
||
1043 | dec ebx |
||
1044 | shr ebx,cl |
||
1045 | inc ebx |
||
1046 | shl ebx,cl |
||
1047 | sub ebx,ebp |
||
1048 | mov ecx,ebx |
||
1049 | mov eax,[tagged_blocks] |
||
1050 | sub eax,ecx |
||
1051 | cmp edi,eax |
||
1052 | jae out_of_memory |
||
1053 | shr ecx,2 |
||
1054 | xor eax,eax |
||
1055 | rep stos dword [edi] |
||
1056 | mov eax,edi |
||
1057 | sub eax,[code_start] |
||
1058 | add eax,[stub_size] |
||
1059 | mov [edx+54h],eax ; size of headers |
||
1060 | mov ecx,[edx+38h] |
||
1061 | dec ecx |
||
1062 | add eax,ecx |
||
1063 | not ecx |
||
1064 | and eax,ecx |
||
1065 | bt [format_flags],8 |
||
1066 | jc pe_entry_init_ok |
||
1067 | mov [edx+28h],eax ; entry point rva |
||
1068 | pe_entry_init_ok: |
||
1069 | and [number_of_sections],0 |
||
1070 | movzx ebx,word [edx+14h] |
||
1071 | lea ebx,[edx+18h+ebx] |
||
1072 | mov [current_section],ebx |
||
1073 | mov dword [ebx],'.fla' |
||
1074 | mov dword [ebx+4],'t' |
||
1075 | mov [ebx+14h],edi |
||
1076 | mov [ebx+0Ch],eax |
||
1077 | mov dword [ebx+24h],0E0000060h |
||
1078 | xor ecx,ecx |
||
1079 | xor bl,bl |
||
1080 | not eax |
||
1081 | not ecx |
||
1082 | not bl |
||
1083 | add eax,1 |
||
1084 | adc ecx,0 |
||
1085 | adc bl,0 |
||
1086 | add eax,edi |
||
1087 | adc ecx,0 |
||
1088 | adc bl,0 |
||
1089 | test [format_flags],4 |
||
1090 | jnz peplus_org |
||
1091 | sub eax,[edx+34h] |
||
1092 | sbb ecx,0 |
||
1093 | sbb bl,0 |
||
1094 | jmp pe_org_ok |
||
1095 | peplus_org: |
||
1096 | sub eax,[edx+30h] |
||
1097 | sbb ecx,[edx+34h] |
||
1098 | sbb bl,0 |
||
1099 | pe_org_ok: |
||
1100 | test [format_flags],8 |
||
1101 | jnz pe64_code |
||
1102 | mov bh,2 |
||
1103 | mov [code_type],32 |
||
1104 | jmp pe_code_type_ok |
||
1105 | pe64_code: |
||
1106 | mov bh,4 |
||
1107 | mov [code_type],64 |
||
1108 | pe_code_type_ok: |
||
1109 | bt [resolver_flags],0 |
||
1110 | jc pe_labels_type_ok |
||
1111 | xor bh,bh |
||
1112 | pe_labels_type_ok: |
||
1113 | push eax ebx |
||
1114 | call init_addressing_space |
||
1115 | mov ebp,ebx |
||
1116 | pop ebx eax |
||
1117 | mov [ds:ebp],eax |
||
1118 | mov [ds:ebp+4],ecx |
||
1119 | mov [ds:ebp+8],bx |
||
1120 | mov [ds:ebp+18h],edi |
||
1121 | bt [format_flags],8 |
||
1122 | jnc dll_flag_ok |
||
1123 | or byte [edx+16h+1],20h |
||
1124 | dll_flag_ok: |
||
1125 | bt [format_flags],9 |
||
1126 | jnc wdm_flag_ok |
||
1127 | or byte [edx+5Eh+1],20h |
||
1128 | wdm_flag_ok: |
||
1129 | bt [format_flags],11 |
||
1130 | jnc large_flag_ok |
||
1131 | or byte [edx+16h],20h |
||
1132 | large_flag_ok: |
||
1133 | bt [format_flags],12 |
||
1134 | jnc nx_ok |
||
1135 | or byte [edx+5Eh+1],1 |
||
1136 | nx_ok: |
||
1137 | jmp format_defined |
||
1138 | pe_section: |
||
1139 | call close_pe_section |
||
1140 | push eax ebx |
||
1141 | call create_addressing_space |
||
1142 | mov ebp,ebx |
||
1143 | pop ebx eax |
||
1144 | bts [format_flags],5 |
||
1145 | lea ecx,[ebx+28h] |
||
1146 | add edx,[edx+54h] |
||
1147 | sub edx,[stub_size] |
||
1148 | cmp ecx,edx |
||
1149 | jbe new_section |
||
1150 | lea ebx,[edx-28h] |
||
1151 | or [next_pass_needed],-1 |
||
1152 | push edi |
||
1153 | mov edi,ebx |
||
1154 | mov ecx,28h shr 4 |
||
1155 | xor eax,eax |
||
1156 | rep stos dword [edi] |
||
1157 | pop edi |
||
1158 | new_section: |
||
1159 | mov [ebx+0Ch],eax |
||
1160 | lods word [esi] |
||
1161 | cmp ax,'(' |
||
1162 | jne invalid_argument |
||
1163 | lea edx,[esi+4] |
||
1164 | mov ecx,[esi] |
||
1165 | lea esi,[esi+4+ecx+1] |
||
1166 | cmp ecx,8 |
||
1167 | ja name_too_long |
||
1168 | xor eax,eax |
||
1169 | mov [ebx],eax |
||
1170 | mov [ebx+4],eax |
||
1171 | push esi edi |
||
1172 | mov edi,ebx |
||
1173 | mov esi,edx |
||
1174 | rep movs byte [edi],[esi] |
||
1175 | pop edi esi |
||
1176 | and dword [ebx+24h],0 |
||
1177 | mov [ebx+14h],edi |
||
1178 | mov edx,[code_start] |
||
1179 | mov eax,edi |
||
1180 | xor ecx,ecx |
||
1181 | sub eax,[ebx+0Ch] |
||
1182 | sbb ecx,0 |
||
1183 | sbb byte [ds:ebp+8],0 |
||
1184 | mov byte [ds:ebp+9],2 |
||
1185 | mov [code_type],32 |
||
1186 | test [format_flags],8 |
||
1187 | jz pe_section_code_type_ok |
||
1188 | mov byte [ds:ebp+9],4 |
||
1189 | mov [code_type],64 |
||
1190 | pe_section_code_type_ok: |
||
1191 | test [format_flags],4 |
||
1192 | jnz peplus_section_org |
||
1193 | sub eax,[edx+34h] |
||
1194 | sbb ecx,0 |
||
1195 | sbb byte [ds:ebp+8],0 |
||
1196 | bt [resolver_flags],0 |
||
1197 | jc pe_section_org_ok |
||
1198 | mov byte [ds:ebp+9],0 |
||
1199 | jmp pe_section_org_ok |
||
1200 | peplus_section_org: |
||
1201 | sub eax,[edx+30h] |
||
1202 | sbb ecx,[edx+34h] |
||
1203 | sbb byte [ds:ebp+8],0 |
||
1204 | bt [resolver_flags],0 |
||
1205 | jc pe_section_org_ok |
||
1206 | mov byte [ds:ebp+9],0 |
||
1207 | pe_section_org_ok: |
||
1208 | mov [ds:ebp],eax |
||
1209 | mov [ds:ebp+4],ecx |
||
1210 | mov [ds:ebp+18h],edi |
||
1211 | get_section_flags: |
||
1212 | lods byte [esi] |
||
1213 | cmp al,1Ah |
||
1214 | je set_directory |
||
1215 | cmp al,19h |
||
1216 | je section_flag |
||
1217 | dec esi |
||
1218 | jmp instruction_assembled |
||
1219 | set_directory: |
||
1220 | movzx eax,byte [esi] |
||
1221 | inc esi |
||
1222 | mov ecx,ebx |
||
1223 | test [format_flags],4 |
||
1224 | jnz peplus_directory |
||
1225 | xchg ecx,[edx+78h+eax*8] |
||
1226 | mov dword [edx+78h+eax*8+4],-1 |
||
1227 | jmp pe_directory_set |
||
1228 | peplus_directory: |
||
1229 | xchg ecx,[edx+88h+eax*8] |
||
1230 | mov dword [edx+88h+eax*8+4],-1 |
||
1231 | pe_directory_set: |
||
1232 | or ecx,ecx |
||
1233 | jnz data_already_defined |
||
1234 | push ebx edx |
||
1235 | call generate_pe_data |
||
1236 | pop edx ebx |
||
1237 | jmp get_section_flags |
||
1238 | section_flag: |
||
1239 | lods byte [esi] |
||
1240 | cmp al,9 |
||
1241 | je invalid_argument |
||
1242 | cmp al,11 |
||
1243 | je invalid_argument |
||
1244 | mov cl,al |
||
1245 | mov eax,1 |
||
1246 | shl eax,cl |
||
1247 | test dword [ebx+24h],eax |
||
1248 | jnz setting_already_specified |
||
1249 | or dword [ebx+24h],eax |
||
1250 | jmp get_section_flags |
||
1251 | close_pe_section: |
||
1252 | mov ebx,[current_section] |
||
1253 | mov edx,[code_start] |
||
1254 | mov eax,edi |
||
1255 | sub eax,[ebx+14h] |
||
1256 | jnz finish_section |
||
1257 | bt [format_flags],5 |
||
1258 | jc finish_section |
||
1259 | mov eax,[ebx+0Ch] |
||
1260 | ret |
||
1261 | finish_section: |
||
1262 | mov [ebx+8],eax |
||
1263 | cmp edi,[undefined_data_end] |
||
1264 | jne align_section |
||
1265 | cmp dword [edx+38h],1000h |
||
1266 | jb align_section |
||
1267 | mov edi,[undefined_data_start] |
||
1268 | align_section: |
||
1269 | and [undefined_data_end],0 |
||
1270 | mov ebp,edi |
||
1271 | sub ebp,[ebx+14h] |
||
1272 | mov ecx,[edx+3Ch] |
||
1273 | dec ecx |
||
1274 | lea eax,[ebp+ecx] |
||
1275 | not ecx |
||
1276 | and eax,ecx |
||
1277 | mov [ebx+10h],eax |
||
1278 | sub eax,ebp |
||
1279 | mov ecx,eax |
||
1280 | xor al,al |
||
1281 | rep stos byte [edi] |
||
1282 | mov eax,[code_start] |
||
1283 | sub eax,[stub_size] |
||
1284 | sub [ebx+14h],eax |
||
1285 | mov ecx,[ebx+10h] |
||
1286 | test byte [ebx+24h],20h |
||
1287 | jz pe_code_sum_ok |
||
1288 | add [edx+1Ch],ecx |
||
1289 | cmp dword [edx+2Ch],0 |
||
1290 | jne pe_code_sum_ok |
||
1291 | mov eax,[ebx+0Ch] |
||
1292 | mov [edx+2Ch],eax |
||
1293 | pe_code_sum_ok: |
||
1294 | test byte [ebx+24h],40h |
||
1295 | jz pe_data_sum_ok |
||
1296 | add [edx+20h],ecx |
||
1297 | test [format_flags],4 |
||
1298 | jnz pe_data_sum_ok |
||
1299 | cmp dword [edx+30h],0 |
||
1300 | jne pe_data_sum_ok |
||
1301 | mov eax,[ebx+0Ch] |
||
1302 | mov [edx+30h],eax |
||
1303 | pe_data_sum_ok: |
||
1304 | mov eax,[ebx+8] |
||
1305 | or eax,eax |
||
1306 | jz udata_ok |
||
1307 | cmp dword [ebx+10h],0 |
||
1308 | jne udata_ok |
||
1309 | or byte [ebx+24h],80h |
||
1310 | add [edx+24h],ecx |
||
1311 | udata_ok: |
||
1312 | mov ecx,[edx+38h] |
||
1313 | dec ecx |
||
1314 | add eax,ecx |
||
1315 | not ecx |
||
1316 | and eax,ecx |
||
1317 | add eax,[ebx+0Ch] |
||
1318 | add ebx,28h |
||
1319 | mov [current_section],ebx |
||
1320 | inc word [number_of_sections] |
||
1321 | jz format_limitations_exceeded |
||
1322 | ret |
||
1323 | data_directive: |
||
1324 | cmp [output_format],3 |
||
1325 | jne illegal_instruction |
||
1326 | lods byte [esi] |
||
1327 | cmp al,1Ah |
||
1328 | je predefined_data_type |
||
1329 | cmp al,'(' |
||
1330 | jne invalid_argument |
||
1331 | call get_byte_value |
||
1332 | cmp al,16 |
||
1333 | jb data_type_ok |
||
1334 | jmp invalid_value |
||
1335 | predefined_data_type: |
||
1336 | movzx eax,byte [esi] |
||
1337 | inc esi |
||
1338 | data_type_ok: |
||
1339 | mov ebx,[current_section] |
||
1340 | mov ecx,edi |
||
1341 | sub ecx,[ebx+14h] |
||
1342 | add ecx,[ebx+0Ch] |
||
1343 | mov edx,[code_start] |
||
1344 | test [format_flags],4 |
||
1345 | jnz peplus_data |
||
1346 | xchg ecx,[edx+78h+eax*8] |
||
1347 | jmp init_pe_data |
||
1348 | peplus_data: |
||
1349 | xchg ecx,[edx+88h+eax*8] |
||
1350 | init_pe_data: |
||
1351 | or ecx,ecx |
||
1352 | jnz data_already_defined |
||
1353 | call allocate_structure_data |
||
1354 | mov word [ebx],data_directive-instruction_handler |
||
1355 | mov [ebx+2],al |
||
1356 | mov edx,[current_line] |
||
1357 | mov [ebx+4],edx |
||
1358 | call generate_pe_data |
||
1359 | jmp instruction_assembled |
||
1360 | end_data: |
||
1361 | cmp [output_format],3 |
||
1362 | jne illegal_instruction |
||
1363 | call find_structure_data |
||
1364 | jc unexpected_instruction |
||
1365 | movzx eax,byte [ebx+2] |
||
1366 | mov edx,[current_section] |
||
1367 | mov ecx,edi |
||
1368 | sub ecx,[edx+14h] |
||
1369 | add ecx,[edx+0Ch] |
||
1370 | mov edx,[code_start] |
||
1371 | test [format_flags],4 |
||
1372 | jnz end_peplus_data |
||
1373 | sub ecx,[edx+78h+eax*8] |
||
1374 | mov [edx+78h+eax*8+4],ecx |
||
1375 | jmp remove_structure_data |
||
1376 | end_peplus_data: |
||
1377 | sub ecx,[edx+88h+eax*8] |
||
1378 | mov [edx+88h+eax*8+4],ecx |
||
1379 | jmp remove_structure_data |
||
1380 | pe_entry: |
||
1381 | lods byte [esi] |
||
1382 | cmp al,'(' |
||
1383 | jne invalid_argument |
||
1384 | cmp byte [esi],'.' |
||
1385 | je invalid_value |
||
1386 | test [format_flags],8 |
||
1387 | jnz pe64_entry |
||
1388 | call get_dword_value |
||
1389 | mov bl,2 |
||
1390 | bt [resolver_flags],0 |
||
1391 | jc check_pe_entry_label_type |
||
1392 | xor bl,bl |
||
1393 | check_pe_entry_label_type: |
||
1394 | cmp [value_type],bl |
||
1395 | je pe_entry_ok |
||
1396 | call recoverable_invalid_address |
||
1397 | pe_entry_ok: |
||
1398 | cdq |
||
1399 | test [format_flags],4 |
||
1400 | jnz pe64_entry_type_ok |
||
1401 | mov edx,[code_start] |
||
1402 | sub eax,[edx+34h] |
||
1403 | mov [edx+28h],eax |
||
1404 | jmp instruction_assembled |
||
1405 | pe64_entry: |
||
1406 | call get_qword_value |
||
1407 | mov bl,4 |
||
1408 | bt [resolver_flags],0 |
||
1409 | jc check_pe64_entry_label_type |
||
1410 | xor bl,bl |
||
1411 | check_pe64_entry_label_type: |
||
1412 | cmp [value_type],bl |
||
1413 | je pe64_entry_type_ok |
||
1414 | call recoverable_invalid_address |
||
1415 | pe64_entry_type_ok: |
||
1416 | mov ecx,[code_start] |
||
1417 | sub eax,[ecx+30h] |
||
1418 | sbb edx,[ecx+34h] |
||
1419 | jz pe64_entry_range_ok |
||
1420 | call recoverable_overflow |
||
1421 | pe64_entry_range_ok: |
||
1422 | mov [ecx+28h],eax |
||
1423 | jmp instruction_assembled |
||
1424 | pe_stack: |
||
1425 | lods byte [esi] |
||
1426 | cmp al,'(' |
||
1427 | jne invalid_argument |
||
1428 | cmp byte [esi],'.' |
||
1429 | je invalid_value |
||
1430 | test [format_flags],4 |
||
1431 | jnz peplus_stack |
||
1432 | call get_count_value |
||
1433 | mov edx,[code_start] |
||
1434 | mov [edx+60h],eax |
||
1435 | cmp byte [esi],',' |
||
1436 | jne default_stack_commit |
||
1437 | lods byte [esi] |
||
1438 | lods byte [esi] |
||
1439 | cmp al,'(' |
||
1440 | jne invalid_argument |
||
1441 | cmp byte [esi],'.' |
||
1442 | je invalid_value |
||
1443 | call get_count_value |
||
1444 | mov edx,[code_start] |
||
1445 | mov [edx+64h],eax |
||
1446 | cmp eax,[edx+60h] |
||
1447 | ja value_out_of_range |
||
1448 | jmp instruction_assembled |
||
1449 | default_stack_commit: |
||
1450 | mov dword [edx+64h],1000h |
||
1451 | mov eax,[edx+60h] |
||
1452 | cmp eax,1000h |
||
1453 | ja instruction_assembled |
||
1454 | mov dword [edx+64h],eax |
||
1455 | jmp instruction_assembled |
||
1456 | peplus_stack: |
||
1457 | call get_qword_value |
||
1458 | cmp [value_type],0 |
||
1459 | jne invalid_use_of_symbol |
||
1460 | mov ecx,[code_start] |
||
1461 | mov [ecx+60h],eax |
||
1462 | mov [ecx+64h],edx |
||
1463 | cmp byte [esi],',' |
||
1464 | jne default_peplus_stack_commit |
||
1465 | lods byte [esi] |
||
1466 | lods byte [esi] |
||
1467 | cmp al,'(' |
||
1468 | jne invalid_argument |
||
1469 | cmp byte [esi],'.' |
||
1470 | je invalid_value |
||
1471 | call get_qword_value |
||
1472 | cmp [value_type],0 |
||
1473 | jne invalid_use_of_symbol |
||
1474 | mov ecx,[code_start] |
||
1475 | mov [ecx+68h],eax |
||
1476 | mov [ecx+6Ch],edx |
||
1477 | cmp edx,[ecx+64h] |
||
1478 | ja value_out_of_range |
||
1479 | jb instruction_assembled |
||
1480 | cmp eax,[ecx+60h] |
||
1481 | ja value_out_of_range |
||
1482 | jmp instruction_assembled |
||
1483 | default_peplus_stack_commit: |
||
1484 | mov dword [ecx+68h],1000h |
||
1485 | cmp dword [ecx+64h],0 |
||
1486 | jne instruction_assembled |
||
1487 | mov eax,[ecx+60h] |
||
1488 | cmp eax,1000h |
||
1489 | ja instruction_assembled |
||
1490 | mov dword [ecx+68h],eax |
||
1491 | jmp instruction_assembled |
||
1492 | pe_heap: |
||
1493 | lods byte [esi] |
||
1494 | cmp al,'(' |
||
1495 | jne invalid_argument |
||
1496 | cmp byte [esi],'.' |
||
1497 | je invalid_value |
||
1498 | test [format_flags],4 |
||
1499 | jnz peplus_heap |
||
1500 | call get_count_value |
||
1501 | mov edx,[code_start] |
||
1502 | mov [edx+68h],eax |
||
1503 | cmp byte [esi],',' |
||
1504 | jne instruction_assembled |
||
1505 | lods byte [esi] |
||
1506 | lods byte [esi] |
||
1507 | cmp al,'(' |
||
1508 | jne invalid_argument |
||
1509 | cmp byte [esi],'.' |
||
1510 | je invalid_value |
||
1511 | call get_count_value |
||
1512 | mov edx,[code_start] |
||
1513 | mov [edx+6Ch],eax |
||
1514 | cmp eax,[edx+68h] |
||
1515 | ja value_out_of_range |
||
1516 | jmp instruction_assembled |
||
1517 | peplus_heap: |
||
1518 | call get_qword_value |
||
1519 | cmp [value_type],0 |
||
1520 | jne invalid_use_of_symbol |
||
1521 | mov ecx,[code_start] |
||
1522 | mov [ecx+70h],eax |
||
1523 | mov [ecx+74h],edx |
||
1524 | cmp byte [esi],',' |
||
1525 | jne instruction_assembled |
||
1526 | lods byte [esi] |
||
1527 | lods byte [esi] |
||
1528 | cmp al,'(' |
||
1529 | jne invalid_argument |
||
1530 | cmp byte [esi],'.' |
||
1531 | je invalid_value |
||
1532 | call get_qword_value |
||
1533 | cmp [value_type],0 |
||
1534 | jne invalid_use_of_symbol |
||
1535 | mov ecx,[code_start] |
||
1536 | mov [ecx+78h],eax |
||
1537 | mov [ecx+7Ch],edx |
||
1538 | cmp edx,[ecx+74h] |
||
1539 | ja value_out_of_range |
||
1540 | jb instruction_assembled |
||
1541 | cmp eax,[ecx+70h] |
||
1542 | ja value_out_of_range |
||
1543 | jmp instruction_assembled |
||
1544 | mark_pe_relocation: |
||
1545 | push eax ebx |
||
1546 | test [format_flags],4 |
||
1547 | jz check_standard_pe_relocation_type |
||
1548 | cmp [value_type],4 |
||
1549 | je pe_relocation_type_ok |
||
1550 | check_standard_pe_relocation_type: |
||
1551 | cmp [value_type],2 |
||
1552 | je pe_relocation_type_ok |
||
1553 | call recoverable_misuse |
||
1554 | pe_relocation_type_ok: |
||
1555 | mov ebx,[current_section] |
||
1556 | mov eax,edi |
||
1557 | sub eax,[ebx+14h] |
||
1558 | add eax,[ebx+0Ch] |
||
1559 | mov ebx,[free_additional_memory] |
||
1560 | inc [number_of_relocations] |
||
1561 | add ebx,5 |
||
1562 | cmp ebx,[structures_buffer] |
||
1563 | jae out_of_memory |
||
1564 | mov [free_additional_memory],ebx |
||
1565 | mov [ebx-5],eax |
||
1566 | cmp [value_type],2 |
||
1567 | je fixup_32bit |
||
1568 | mov byte [ebx-1],0Ah |
||
1569 | jmp fixup_ok |
||
1570 | fixup_32bit: |
||
1571 | mov byte [ebx-1],3 |
||
1572 | fixup_ok: |
||
1573 | pop ebx eax |
||
1574 | ret |
||
1575 | generate_pe_data: |
||
1576 | cmp al,2 |
||
1577 | je make_pe_resource |
||
1578 | cmp al,5 |
||
1579 | je make_pe_fixups |
||
1580 | ret |
||
1581 | make_pe_fixups: |
||
1582 | mov edx,[code_start] |
||
1583 | and byte [edx+16h],not 1 |
||
1584 | or byte [edx+5Eh],40h |
||
1585 | bts [resolver_flags],0 |
||
1586 | jc fixups_ready |
||
1587 | or [next_pass_needed],-1 |
||
1588 | fixups_ready: |
||
1589 | and [last_fixup_base],0 |
||
1590 | call make_fixups |
||
1591 | xchg eax,[actual_fixups_size] |
||
1592 | sub eax,[actual_fixups_size] |
||
1593 | ja reserve_forward_fixups |
||
1594 | xor eax,eax |
||
1595 | reserve_forward_fixups: |
||
1596 | mov [reserved_fixups],edi |
||
1597 | add edi,eax |
||
1598 | mov [reserved_fixups_size],eax |
||
1599 | ret |
||
1600 | make_fixups: |
||
1601 | push esi |
||
1602 | xor ecx,ecx |
||
1603 | xchg ecx,[number_of_relocations] |
||
1604 | mov esi,[free_additional_memory] |
||
1605 | lea eax,[ecx*5] |
||
1606 | sub esi,eax |
||
1607 | mov [free_additional_memory],esi |
||
1608 | mov edx,[last_fixup_base] |
||
1609 | mov ebx,[last_fixup_header] |
||
1610 | mov ebp,edi |
||
1611 | jecxz fixups_done |
||
1612 | make_fixup: |
||
1613 | cmp [esi],edx |
||
1614 | jb store_fixup |
||
1615 | mov eax,edi |
||
1616 | sub eax,ebp |
||
1617 | test eax,11b |
||
1618 | jz fixups_block |
||
1619 | xor ax,ax |
||
1620 | stos word [edi] |
||
1621 | add dword [ebx],2 |
||
1622 | fixups_block: |
||
1623 | mov eax,edx |
||
1624 | add edx,1000h |
||
1625 | cmp [esi],edx |
||
1626 | jae fixups_block |
||
1627 | stos dword [edi] |
||
1628 | mov ebx,edi |
||
1629 | mov eax,8 |
||
1630 | stos dword [edi] |
||
1631 | store_fixup: |
||
1632 | add dword [ebx],2 |
||
1633 | mov ah,[esi+1] |
||
1634 | and ah,0Fh |
||
1635 | mov al,[esi+4] |
||
1636 | shl al,4 |
||
1637 | or ah,al |
||
1638 | mov al,[esi] |
||
1639 | stos word [edi] |
||
1640 | add esi,5 |
||
1641 | loop make_fixup |
||
1642 | fixups_done: |
||
1643 | mov [last_fixup_base],edx |
||
1644 | mov [last_fixup_header],ebx |
||
1645 | pop esi |
||
1646 | mov eax,edi |
||
1647 | sub eax,ebp |
||
1648 | ret |
||
1649 | make_pe_resource: |
||
1650 | cmp byte [esi],82h |
||
1651 | jne resource_done |
||
1652 | inc esi |
||
1653 | lods word [esi] |
||
1654 | cmp ax,'(' |
||
1655 | jne invalid_argument |
||
1656 | lods dword [esi] |
||
1657 | mov edx,esi |
||
1658 | lea esi,[esi+eax+1] |
||
1659 | cmp [next_pass_needed],0 |
||
1660 | je resource_from_file |
||
1661 | cmp [current_pass],0 |
||
1662 | jne reserve_space_for_resource |
||
1663 | and [resource_size],0 |
||
1664 | reserve_space_for_resource: |
||
1665 | add edi,[resource_size] |
||
1666 | cmp edi,[tagged_blocks] |
||
1667 | ja out_of_memory |
||
1668 | jmp resource_done |
||
1669 | resource_from_file: |
||
1670 | push esi |
||
1671 | mov esi,edx |
||
1672 | call open_binary_file |
||
1673 | push ebx |
||
1674 | mov esi,[free_additional_memory] |
||
1675 | lea eax,[esi+20h] |
||
1676 | cmp eax,[structures_buffer] |
||
1677 | ja out_of_memory |
||
1678 | mov edx,esi |
||
1679 | mov ecx,20h |
||
1680 | call read |
||
1681 | jc invalid_file_format |
||
1682 | xor eax,eax |
||
1683 | cmp [esi],eax |
||
1684 | jne invalid_file_format |
||
1685 | mov ax,0FFFFh |
||
1686 | cmp [esi+8],eax |
||
1687 | jne invalid_file_format |
||
1688 | cmp [esi+12],eax |
||
1689 | jne invalid_file_format |
||
1690 | mov eax,20h |
||
1691 | cmp [esi+4],eax |
||
1692 | jne invalid_file_format |
||
1693 | read_resource_headers: |
||
1694 | test eax,11b |
||
1695 | jz resource_file_alignment_ok |
||
1696 | mov edx,4 |
||
1697 | and eax,11b |
||
1698 | sub edx,eax |
||
1699 | mov al,1 |
||
1700 | call lseek |
||
1701 | jc resource_headers_ok |
||
1702 | resource_file_alignment_ok: |
||
1703 | mov [esi],eax |
||
1704 | lea edx,[esi+12] |
||
1705 | mov ecx,8 |
||
1706 | call read |
||
1707 | jc resource_headers_ok |
||
1708 | mov ecx,[esi+16] |
||
1709 | add [esi],ecx |
||
1710 | lea edx,[esi+20] |
||
1711 | sub ecx,8 |
||
1712 | mov [esi+16],ecx |
||
1713 | lea eax,[edx+ecx] |
||
1714 | cmp eax,[structures_buffer] |
||
1715 | ja out_of_memory |
||
1716 | call read |
||
1717 | jc invalid_file_format |
||
1718 | mov edx,[esi] |
||
1719 | add edx,[esi+12] |
||
1720 | mov eax,[esi+16] |
||
1721 | lea ecx,[esi+20] |
||
1722 | lea esi,[ecx+eax] |
||
1723 | add ecx,2 |
||
1724 | cmp word [ecx-2],0FFFFh |
||
1725 | je resource_header_type_ok |
||
1726 | check_resource_header_type: |
||
1727 | cmp ecx,esi |
||
1728 | jae invalid_file_format |
||
1729 | cmp word [ecx],0 |
||
1730 | je resource_header_type_ok |
||
1731 | add ecx,2 |
||
1732 | jmp check_resource_header_type |
||
1733 | resource_header_type_ok: |
||
1734 | add ecx,2 |
||
1735 | cmp word [ecx],0FFFFh |
||
1736 | je resource_header_name_ok |
||
1737 | check_resource_header_name: |
||
1738 | cmp ecx,esi |
||
1739 | jae invalid_file_format |
||
1740 | cmp word [ecx],0 |
||
1741 | je resource_header_name_ok |
||
1742 | add ecx,2 |
||
1743 | jmp check_resource_header_name |
||
1744 | resource_header_name_ok: |
||
1745 | xor al,al |
||
1746 | call lseek |
||
1747 | jnc read_resource_headers |
||
1748 | resource_headers_ok: |
||
1749 | cmp esi,[free_additional_memory] |
||
1750 | je invalid_file_format |
||
1751 | xor eax,eax |
||
1752 | mov [esi],eax |
||
1753 | mov [resource_data],edi |
||
1754 | lea eax,[edi+16] |
||
1755 | cmp eax,[tagged_blocks] |
||
1756 | jae out_of_memory |
||
1757 | xor eax,eax |
||
1758 | stos dword [edi] |
||
1759 | call make_timestamp |
||
1760 | stos dword [edi] |
||
1761 | xor eax,eax |
||
1762 | stos dword [edi] |
||
1763 | stos dword [edi] |
||
1764 | xor ebx,ebx |
||
1765 | make_type_name_directory: |
||
1766 | mov esi,[free_additional_memory] |
||
1767 | xor edx,edx |
||
1768 | find_type_name: |
||
1769 | cmp dword [esi],0 |
||
1770 | je type_name_ok |
||
1771 | add esi,20 |
||
1772 | cmp word [esi],0FFFFh |
||
1773 | je check_next_type_name |
||
1774 | or ebx,ebx |
||
1775 | jz check_this_type_name |
||
1776 | xor ecx,ecx |
||
1777 | compare_with_previous_type_name: |
||
1778 | mov ax,[esi+ecx] |
||
1779 | cmp ax,[ebx+ecx] |
||
1780 | ja check_this_type_name |
||
1781 | jb check_next_type_name |
||
1782 | add ecx,2 |
||
1783 | mov ax,[esi+ecx] |
||
1784 | or ax,[ebx+ecx] |
||
1785 | jnz compare_with_previous_type_name |
||
1786 | jmp check_next_type_name |
||
1787 | check_this_type_name: |
||
1788 | or edx,edx |
||
1789 | jz type_name_found |
||
1790 | xor ecx,ecx |
||
1791 | compare_with_current_type_name: |
||
1792 | mov ax,[esi+ecx] |
||
1793 | cmp ax,[edx+ecx] |
||
1794 | ja check_next_type_name |
||
1795 | jb type_name_found |
||
1796 | add ecx,2 |
||
1797 | mov ax,[esi+ecx] |
||
1798 | or ax,[edx+ecx] |
||
1799 | jnz compare_with_current_type_name |
||
1800 | jmp same_type_name |
||
1801 | type_name_found: |
||
1802 | mov edx,esi |
||
1803 | same_type_name: |
||
1804 | mov [esi-16],edi |
||
1805 | check_next_type_name: |
||
1806 | mov eax,[esi-4] |
||
1807 | add esi,eax |
||
1808 | jmp find_type_name |
||
1809 | type_name_ok: |
||
1810 | or edx,edx |
||
1811 | jz type_name_directory_done |
||
1812 | mov ebx,edx |
||
1813 | make_type_name_entry: |
||
1814 | mov eax,[resource_data] |
||
1815 | inc word [eax+12] |
||
1816 | lea eax,[edi+8] |
||
1817 | cmp eax,[tagged_blocks] |
||
1818 | jae out_of_memory |
||
1819 | mov eax,ebx |
||
1820 | stos dword [edi] |
||
1821 | xor eax,eax |
||
1822 | stos dword [edi] |
||
1823 | jmp make_type_name_directory |
||
1824 | type_name_directory_done: |
||
1825 | mov ebx,-1 |
||
1826 | make_type_id_directory: |
||
1827 | mov esi,[free_additional_memory] |
||
1828 | mov edx,10000h |
||
1829 | find_type_id: |
||
1830 | cmp dword [esi],0 |
||
1831 | je type_id_ok |
||
1832 | add esi,20 |
||
1833 | cmp word [esi],0FFFFh |
||
1834 | jne check_next_type_id |
||
1835 | movzx eax,word [esi+2] |
||
1836 | cmp eax,ebx |
||
1837 | jle check_next_type_id |
||
1838 | cmp eax,edx |
||
1839 | jg check_next_type_id |
||
1840 | mov edx,eax |
||
1841 | mov [esi-16],edi |
||
1842 | check_next_type_id: |
||
1843 | mov eax,[esi-4] |
||
1844 | add esi,eax |
||
1845 | jmp find_type_id |
||
1846 | type_id_ok: |
||
1847 | cmp edx,10000h |
||
1848 | je type_id_directory_done |
||
1849 | mov ebx,edx |
||
1850 | make_type_id_entry: |
||
1851 | mov eax,[resource_data] |
||
1852 | inc word [eax+14] |
||
1853 | lea eax,[edi+8] |
||
1854 | cmp eax,[tagged_blocks] |
||
1855 | jae out_of_memory |
||
1856 | mov eax,ebx |
||
1857 | stos dword [edi] |
||
1858 | xor eax,eax |
||
1859 | stos dword [edi] |
||
1860 | jmp make_type_id_directory |
||
1861 | type_id_directory_done: |
||
1862 | mov esi,[resource_data] |
||
1863 | add esi,10h |
||
1864 | mov ecx,[esi-4] |
||
1865 | or cx,cx |
||
1866 | jz resource_directories_ok |
||
1867 | make_resource_directories: |
||
1868 | push ecx |
||
1869 | push edi |
||
1870 | mov edx,edi |
||
1871 | sub edx,[resource_data] |
||
1872 | bts edx,31 |
||
1873 | mov [esi+4],edx |
||
1874 | lea eax,[edi+16] |
||
1875 | cmp eax,[tagged_blocks] |
||
1876 | jae out_of_memory |
||
1877 | xor eax,eax |
||
1878 | stos dword [edi] |
||
1879 | call make_timestamp |
||
1880 | stos dword [edi] |
||
1881 | xor eax,eax |
||
1882 | stos dword [edi] |
||
1883 | stos dword [edi] |
||
1884 | mov ebp,esi |
||
1885 | xor ebx,ebx |
||
1886 | make_resource_name_directory: |
||
1887 | mov esi,[free_additional_memory] |
||
1888 | xor edx,edx |
||
1889 | find_resource_name: |
||
1890 | cmp dword [esi],0 |
||
1891 | je resource_name_ok |
||
1892 | push esi |
||
1893 | cmp [esi+4],ebp |
||
1894 | jne check_next_resource_name |
||
1895 | add esi,20 |
||
1896 | call skip_resource_name |
||
1897 | cmp word [esi],0FFFFh |
||
1898 | je check_next_resource_name |
||
1899 | or ebx,ebx |
||
1900 | jz check_this_resource_name |
||
1901 | xor ecx,ecx |
||
1902 | compare_with_previous_resource_name: |
||
1903 | mov ax,[esi+ecx] |
||
1904 | cmp ax,[ebx+ecx] |
||
1905 | ja check_this_resource_name |
||
1906 | jb check_next_resource_name |
||
1907 | add ecx,2 |
||
1908 | mov ax,[esi+ecx] |
||
1909 | or ax,[ebx+ecx] |
||
1910 | jnz compare_with_previous_resource_name |
||
1911 | jmp check_next_resource_name |
||
1912 | skip_resource_name: |
||
1913 | cmp word [esi],0FFFFh |
||
1914 | jne skip_unicode_string |
||
1915 | add esi,4 |
||
1916 | ret |
||
1917 | skip_unicode_string: |
||
1918 | add esi,2 |
||
1919 | cmp word [esi-2],0 |
||
1920 | jne skip_unicode_string |
||
1921 | ret |
||
1922 | check_this_resource_name: |
||
1923 | or edx,edx |
||
1924 | jz resource_name_found |
||
1925 | xor ecx,ecx |
||
1926 | compare_with_current_resource_name: |
||
1927 | mov ax,[esi+ecx] |
||
1928 | cmp ax,[edx+ecx] |
||
1929 | ja check_next_resource_name |
||
1930 | jb resource_name_found |
||
1931 | add ecx,2 |
||
1932 | mov ax,[esi+ecx] |
||
1933 | or ax,[edx+ecx] |
||
1934 | jnz compare_with_current_resource_name |
||
1935 | jmp same_resource_name |
||
1936 | resource_name_found: |
||
1937 | mov edx,esi |
||
1938 | same_resource_name: |
||
1939 | mov eax,[esp] |
||
1940 | mov [eax+8],edi |
||
1941 | check_next_resource_name: |
||
1942 | pop esi |
||
1943 | mov eax,[esi+16] |
||
1944 | lea esi,[esi+20+eax] |
||
1945 | jmp find_resource_name |
||
1946 | resource_name_ok: |
||
1947 | or edx,edx |
||
1948 | jz resource_name_directory_done |
||
1949 | mov ebx,edx |
||
1950 | make_resource_name_entry: |
||
1951 | mov eax,[esp] |
||
1952 | inc word [eax+12] |
||
1953 | lea eax,[edi+8] |
||
1954 | cmp eax,[tagged_blocks] |
||
1955 | jae out_of_memory |
||
1956 | mov eax,ebx |
||
1957 | stos dword [edi] |
||
1958 | xor eax,eax |
||
1959 | stos dword [edi] |
||
1960 | jmp make_resource_name_directory |
||
1961 | resource_name_directory_done: |
||
1962 | mov ebx,-1 |
||
1963 | make_resource_id_directory: |
||
1964 | mov esi,[free_additional_memory] |
||
1965 | mov edx,10000h |
||
1966 | find_resource_id: |
||
1967 | cmp dword [esi],0 |
||
1968 | je resource_id_ok |
||
1969 | push esi |
||
1970 | cmp [esi+4],ebp |
||
1971 | jne check_next_resource_id |
||
1972 | add esi,20 |
||
1973 | call skip_resource_name |
||
1974 | cmp word [esi],0FFFFh |
||
1975 | jne check_next_resource_id |
||
1976 | movzx eax,word [esi+2] |
||
1977 | cmp eax,ebx |
||
1978 | jle check_next_resource_id |
||
1979 | cmp eax,edx |
||
1980 | jg check_next_resource_id |
||
1981 | mov edx,eax |
||
1982 | mov eax,[esp] |
||
1983 | mov [eax+8],edi |
||
1984 | check_next_resource_id: |
||
1985 | pop esi |
||
1986 | mov eax,[esi+16] |
||
1987 | lea esi,[esi+20+eax] |
||
1988 | jmp find_resource_id |
||
1989 | resource_id_ok: |
||
1990 | cmp edx,10000h |
||
1991 | je resource_id_directory_done |
||
1992 | mov ebx,edx |
||
1993 | make_resource_id_entry: |
||
1994 | mov eax,[esp] |
||
1995 | inc word [eax+14] |
||
1996 | lea eax,[edi+8] |
||
1997 | cmp eax,[tagged_blocks] |
||
1998 | jae out_of_memory |
||
1999 | mov eax,ebx |
||
2000 | stos dword [edi] |
||
2001 | xor eax,eax |
||
2002 | stos dword [edi] |
||
2003 | jmp make_resource_id_directory |
||
2004 | resource_id_directory_done: |
||
2005 | pop eax |
||
2006 | mov esi,ebp |
||
2007 | pop ecx |
||
2008 | add esi,8 |
||
2009 | dec cx |
||
2010 | jnz make_resource_directories |
||
2011 | resource_directories_ok: |
||
2012 | shr ecx,16 |
||
2013 | jnz make_resource_directories |
||
2014 | mov esi,[resource_data] |
||
2015 | add esi,10h |
||
2016 | movzx eax,word [esi-4] |
||
2017 | movzx edx,word [esi-2] |
||
2018 | add eax,edx |
||
2019 | lea esi,[esi+eax*8] |
||
2020 | push edi ; address of language directories |
||
2021 | update_resource_directories: |
||
2022 | cmp esi,[esp] |
||
2023 | je resource_directories_updated |
||
2024 | add esi,10h |
||
2025 | mov ecx,[esi-4] |
||
2026 | or cx,cx |
||
2027 | jz language_directories_ok |
||
2028 | make_language_directories: |
||
2029 | push ecx |
||
2030 | push edi |
||
2031 | mov edx,edi |
||
2032 | sub edx,[resource_data] |
||
2033 | bts edx,31 |
||
2034 | mov [esi+4],edx |
||
2035 | lea eax,[edi+16] |
||
2036 | cmp eax,[tagged_blocks] |
||
2037 | jae out_of_memory |
||
2038 | xor eax,eax |
||
2039 | stos dword [edi] |
||
2040 | call make_timestamp |
||
2041 | stos dword [edi] |
||
2042 | xor eax,eax |
||
2043 | stos dword [edi] |
||
2044 | stos dword [edi] |
||
2045 | mov ebp,esi |
||
2046 | mov ebx,-1 |
||
2047 | make_language_id_directory: |
||
2048 | mov esi,[free_additional_memory] |
||
2049 | mov edx,10000h |
||
2050 | find_language_id: |
||
2051 | cmp dword [esi],0 |
||
2052 | je language_id_ok |
||
2053 | push esi |
||
2054 | cmp [esi+8],ebp |
||
2055 | jne check_next_language_id |
||
2056 | add esi,20 |
||
2057 | mov eax,esi |
||
2058 | call skip_resource_name |
||
2059 | call skip_resource_name |
||
2060 | neg eax |
||
2061 | add eax,esi |
||
2062 | and eax,11b |
||
2063 | add esi,eax |
||
2064 | get_language_id: |
||
2065 | movzx eax,word [esi+6] |
||
2066 | cmp eax,ebx |
||
2067 | jle check_next_language_id |
||
2068 | cmp eax,edx |
||
2069 | jge check_next_language_id |
||
2070 | mov edx,eax |
||
2071 | mov eax,[esp] |
||
2072 | mov dword [value],eax |
||
2073 | check_next_language_id: |
||
2074 | pop esi |
||
2075 | mov eax,[esi+16] |
||
2076 | lea esi,[esi+20+eax] |
||
2077 | jmp find_language_id |
||
2078 | language_id_ok: |
||
2079 | cmp edx,10000h |
||
2080 | je language_id_directory_done |
||
2081 | mov ebx,edx |
||
2082 | make_language_id_entry: |
||
2083 | mov eax,[esp] |
||
2084 | inc word [eax+14] |
||
2085 | lea eax,[edi+8] |
||
2086 | cmp eax,[tagged_blocks] |
||
2087 | jae out_of_memory |
||
2088 | mov eax,ebx |
||
2089 | stos dword [edi] |
||
2090 | mov eax,dword [value] |
||
2091 | stos dword [edi] |
||
2092 | jmp make_language_id_directory |
||
2093 | language_id_directory_done: |
||
2094 | pop eax |
||
2095 | mov esi,ebp |
||
2096 | pop ecx |
||
2097 | add esi,8 |
||
2098 | dec cx |
||
2099 | jnz make_language_directories |
||
2100 | language_directories_ok: |
||
2101 | shr ecx,16 |
||
2102 | jnz make_language_directories |
||
2103 | jmp update_resource_directories |
||
2104 | resource_directories_updated: |
||
2105 | mov esi,[resource_data] |
||
2106 | push edi |
||
2107 | make_name_strings: |
||
2108 | add esi,10h |
||
2109 | movzx eax,word [esi-2] |
||
2110 | movzx ecx,word [esi-4] |
||
2111 | add eax,ecx |
||
2112 | lea eax,[esi+eax*8] |
||
2113 | push eax |
||
2114 | or ecx,ecx |
||
2115 | jz string_entries_processed |
||
2116 | process_string_entries: |
||
2117 | push ecx |
||
2118 | mov edx,edi |
||
2119 | sub edx,[resource_data] |
||
2120 | bts edx,31 |
||
2121 | xchg [esi],edx |
||
2122 | mov ebx,edi |
||
2123 | xor ax,ax |
||
2124 | stos word [edi] |
||
2125 | copy_string_data: |
||
2126 | lea eax,[edi+2] |
||
2127 | cmp eax,[tagged_blocks] |
||
2128 | jae out_of_memory |
||
2129 | mov ax,[edx] |
||
2130 | or ax,ax |
||
2131 | jz string_data_copied |
||
2132 | stos word [edi] |
||
2133 | inc word [ebx] |
||
2134 | add edx,2 |
||
2135 | jmp copy_string_data |
||
2136 | string_data_copied: |
||
2137 | add esi,8 |
||
2138 | pop ecx |
||
2139 | loop process_string_entries |
||
2140 | string_entries_processed: |
||
2141 | pop esi |
||
2142 | cmp esi,[esp] |
||
2143 | jb make_name_strings |
||
2144 | mov eax,edi |
||
2145 | sub eax,[resource_data] |
||
2146 | test al,11b |
||
2147 | jz resource_strings_alignment_ok |
||
2148 | xor ax,ax |
||
2149 | stos word [edi] |
||
2150 | resource_strings_alignment_ok: |
||
2151 | pop edx |
||
2152 | pop ebx ; address of language directories |
||
2153 | mov ebp,edi |
||
2154 | update_language_directories: |
||
2155 | add ebx,10h |
||
2156 | movzx eax,word [ebx-2] |
||
2157 | movzx ecx,word [ebx-4] |
||
2158 | add ecx,eax |
||
2159 | make_data_records: |
||
2160 | push ecx |
||
2161 | mov esi,edi |
||
2162 | sub esi,[resource_data] |
||
2163 | xchg esi,[ebx+4] |
||
2164 | lea eax,[edi+16] |
||
2165 | cmp eax,[tagged_blocks] |
||
2166 | jae out_of_memory |
||
2167 | mov eax,esi |
||
2168 | stos dword [edi] |
||
2169 | mov eax,[esi+12] |
||
2170 | stos dword [edi] |
||
2171 | xor eax,eax |
||
2172 | stos dword [edi] |
||
2173 | stos dword [edi] |
||
2174 | pop ecx |
||
2175 | add ebx,8 |
||
2176 | loop make_data_records |
||
2177 | cmp ebx,edx |
||
2178 | jb update_language_directories |
||
2179 | pop ebx ; file handle |
||
2180 | mov esi,ebp |
||
2181 | mov ebp,edi |
||
2182 | update_data_records: |
||
2183 | push ebp |
||
2184 | mov ecx,edi |
||
2185 | mov eax,[current_section] |
||
2186 | sub ecx,[eax+14h] |
||
2187 | add ecx,[eax+0Ch] |
||
2188 | xchg ecx,[esi] |
||
2189 | mov edx,[ecx] |
||
2190 | xor al,al |
||
2191 | call lseek |
||
2192 | mov edx,edi |
||
2193 | mov ecx,[esi+4] |
||
2194 | add edi,ecx |
||
2195 | cmp edi,[tagged_blocks] |
||
2196 | ja out_of_memory |
||
2197 | call read |
||
2198 | mov eax,edi |
||
2199 | sub eax,[resource_data] |
||
2200 | and eax,11b |
||
2201 | jz resource_data_alignment_ok |
||
2202 | mov ecx,4 |
||
2203 | sub ecx,eax |
||
2204 | xor al,al |
||
2205 | rep stos byte [edi] |
||
2206 | resource_data_alignment_ok: |
||
2207 | pop ebp |
||
2208 | add esi,16 |
||
2209 | cmp esi,ebp |
||
2210 | jb update_data_records |
||
2211 | pop esi |
||
2212 | call close |
||
2213 | mov eax,edi |
||
2214 | sub eax,[resource_data] |
||
2215 | mov [resource_size],eax |
||
2216 | resource_done: |
||
2217 | ret |
||
2218 | close_pe: |
||
2219 | call close_pe_section |
||
2220 | mov edx,[code_start] |
||
2221 | mov [edx+50h],eax |
||
2222 | call make_timestamp |
||
2223 | mov edx,[code_start] |
||
2224 | mov [edx+8],eax |
||
2225 | mov eax,[number_of_sections] |
||
2226 | mov [edx+6],ax |
||
2227 | imul eax,28h |
||
2228 | movzx ecx,word [edx+14h] |
||
2229 | lea eax,[eax+18h+ecx] |
||
2230 | add eax,[stub_size] |
||
2231 | mov ecx,[edx+3Ch] |
||
2232 | dec ecx |
||
2233 | add eax,ecx |
||
2234 | not ecx |
||
2235 | and eax,ecx |
||
2236 | cmp eax,[edx+54h] |
||
2237 | je pe_sections_ok |
||
2238 | or [next_pass_needed],-1 |
||
2239 | pe_sections_ok: |
||
2240 | xor ecx,ecx |
||
2241 | add edx,78h |
||
2242 | test [format_flags],4 |
||
2243 | jz process_directories |
||
2244 | add edx,10h |
||
2245 | process_directories: |
||
2246 | mov eax,[edx+ecx*8] |
||
2247 | or eax,eax |
||
2248 | jz directory_ok |
||
2249 | cmp dword [edx+ecx*8+4],-1 |
||
2250 | jne directory_ok |
||
2251 | section_data: |
||
2252 | mov ebx,[edx+ecx*8] |
||
2253 | mov eax,[ebx+0Ch] |
||
2254 | mov [edx+ecx*8],eax ; directory rva |
||
2255 | mov eax,[ebx+8] |
||
2256 | mov [edx+ecx*8+4],eax ; directory size |
||
2257 | directory_ok: |
||
2258 | inc cl |
||
2259 | cmp cl,10h |
||
2260 | jb process_directories |
||
2261 | cmp dword [edx+5*8],0 |
||
2262 | jne finish_pe_relocations |
||
2263 | mov eax,[number_of_relocations] |
||
2264 | shl eax,2 |
||
2265 | sub [free_additional_memory],eax |
||
2266 | btr [resolver_flags],0 |
||
2267 | jnc pe_relocations_ok |
||
2268 | or [next_pass_needed],-1 |
||
2269 | jmp pe_relocations_ok |
||
2270 | finish_pe_relocations: |
||
2271 | push edi |
||
2272 | mov edi,[reserved_fixups] |
||
2273 | call make_fixups |
||
2274 | pop edi |
||
2275 | add [actual_fixups_size],eax |
||
2276 | cmp eax,[reserved_fixups_size] |
||
2277 | je pe_relocations_ok |
||
2278 | or [next_pass_needed],-1 |
||
2279 | pe_relocations_ok: |
||
2280 | mov ebx,[code_start] |
||
2281 | sub ebx,[stub_size] |
||
2282 | mov ecx,edi |
||
2283 | sub ecx,ebx |
||
2284 | mov ebp,ecx |
||
2285 | shr ecx,1 |
||
2286 | xor eax,eax |
||
2287 | cdq |
||
2288 | calculate_checksum: |
||
2289 | mov dx,[ebx] |
||
2290 | add eax,edx |
||
2291 | mov dx,ax |
||
2292 | shr eax,16 |
||
2293 | add eax,edx |
||
2294 | add ebx,2 |
||
2295 | loop calculate_checksum |
||
2296 | add eax,ebp |
||
2297 | mov ebx,[code_start] |
||
2298 | mov [ebx+58h],eax |
||
2299 | ret |
||
2300 | |||
2301 | |||
2302 | mov eax,[additional_memory] |
||
2303 | mov [symbols_stream],eax |
||
2304 | mov ebx,eax |
||
2305 | add eax,20h |
||
2306 | cmp eax,[structures_buffer] |
||
2307 | jae out_of_memory |
||
2308 | mov [free_additional_memory],eax |
||
2309 | xor eax,eax |
||
2310 | mov [ebx],al |
||
2311 | mov [ebx+4],eax |
||
2312 | mov [ebx+8],edi |
||
2313 | mov al,4 |
||
2314 | mov [ebx+10h],eax |
||
2315 | mov al,60h |
||
2316 | bt [format_flags],0 |
||
2317 | jnc flat_section_flags_ok |
||
2318 | or eax,0E0000000h |
||
2319 | flat_section_flags_ok: |
||
2320 | mov dword [ebx+14h],eax |
||
2321 | mov [current_section],ebx |
||
2322 | xor eax,eax |
||
2323 | mov [number_of_sections],eax |
||
2324 | mov edx,ebx |
||
2325 | call init_addressing_space |
||
2326 | mov [ebx+14h],edx |
||
2327 | mov byte [ebx+9],2 |
||
2328 | mov [code_type],32 |
||
2329 | test [format_flags],8 |
||
2330 | jz format_defined |
||
2331 | mov byte [ebx+9],4 |
||
2332 | mov [code_type],64 |
||
2333 | jmp format_defined |
||
2334 | coff_section: |
||
2335 | call close_coff_section |
||
2336 | mov ebx,[free_additional_memory] |
||
2337 | lea eax,[ebx+20h] |
||
2338 | cmp eax,[structures_buffer] |
||
2339 | jae out_of_memory |
||
2340 | mov [free_additional_memory],eax |
||
2341 | mov [current_section],ebx |
||
2342 | inc [number_of_sections] |
||
2343 | xor eax,eax |
||
2344 | mov [ebx],al |
||
2345 | mov [ebx+8],edi |
||
2346 | mov [ebx+10h],eax |
||
2347 | mov [ebx+14h],eax |
||
2348 | mov edx,ebx |
||
2349 | call create_addressing_space |
||
2350 | xchg edx,ebx |
||
2351 | mov [edx+14h],ebx |
||
2352 | mov byte [edx+9],2 |
||
2353 | test [format_flags],8 |
||
2354 | jz coff_labels_type_ok |
||
2355 | mov byte [edx+9],4 |
||
2356 | coff_labels_type_ok: |
||
2357 | lods word [esi] |
||
2358 | cmp ax,'(' |
||
2359 | jne invalid_argument |
||
2360 | mov [ebx+4],esi |
||
2361 | mov ecx,[esi] |
||
2362 | lea esi,[esi+4+ecx+1] |
||
2363 | cmp ecx,8 |
||
2364 | ja name_too_long |
||
2365 | coff_section_flags: |
||
2366 | cmp byte [esi],8Ch |
||
2367 | je coff_section_alignment |
||
2368 | cmp byte [esi],19h |
||
2369 | jne coff_section_settings_ok |
||
2370 | inc esi |
||
2371 | lods byte [esi] |
||
2372 | bt [format_flags],0 |
||
2373 | jc coff_section_flag_ok |
||
2374 | cmp al,7 |
||
2375 | ja invalid_argument |
||
2376 | coff_section_flag_ok: |
||
2377 | mov cl,al |
||
2378 | mov eax,1 |
||
2379 | shl eax,cl |
||
2380 | test dword [ebx+14h],eax |
||
2381 | jnz setting_already_specified |
||
2382 | or dword [ebx+14h],eax |
||
2383 | jmp coff_section_flags |
||
2384 | coff_section_alignment: |
||
2385 | bt [format_flags],0 |
||
2386 | jnc invalid_argument |
||
2387 | inc esi |
||
2388 | lods byte [esi] |
||
2389 | cmp al,'(' |
||
2390 | jne invalid_argument |
||
2391 | cmp byte [esi],'.' |
||
2392 | je invalid_value |
||
2393 | push ebx |
||
2394 | call get_count_value |
||
2395 | pop ebx |
||
2396 | mov edx,eax |
||
2397 | dec edx |
||
2398 | test eax,edx |
||
2399 | jnz invalid_value |
||
2400 | or eax,eax |
||
2401 | jz invalid_value |
||
2402 | cmp eax,2000h |
||
2403 | ja invalid_value |
||
2404 | bsf edx,eax |
||
2405 | inc edx |
||
2406 | shl edx,20 |
||
2407 | or [ebx+14h],edx |
||
2408 | xchg [ebx+10h],eax |
||
2409 | or eax,eax |
||
2410 | jnz setting_already_specified |
||
2411 | jmp coff_section_flags |
||
2412 | coff_section_settings_ok: |
||
2413 | cmp dword [ebx+10h],0 |
||
2414 | jne instruction_assembled |
||
2415 | mov dword [ebx+10h],4 |
||
2416 | bt [format_flags],0 |
||
2417 | jnc instruction_assembled |
||
2418 | or dword [ebx+14h],300000h |
||
2419 | jmp instruction_assembled |
||
2420 | close_coff_section: |
||
2421 | mov ebx,[current_section] |
||
2422 | mov eax,edi |
||
2423 | mov edx,[ebx+8] |
||
2424 | sub eax,edx |
||
2425 | mov [ebx+0Ch],eax |
||
2426 | xor eax,eax |
||
2427 | xchg [undefined_data_end],eax |
||
2428 | cmp eax,edi |
||
2429 | jne coff_section_ok |
||
2430 | cmp edx,[undefined_data_start] |
||
2431 | jne coff_section_ok |
||
2432 | mov edi,edx |
||
2433 | or byte [ebx+14h],80h |
||
2434 | coff_section_ok: |
||
2435 | ret |
||
2436 | mark_coff_relocation: |
||
2437 | cmp [value_type],3 |
||
2438 | je coff_relocation_relative |
||
2439 | push ebx eax |
||
2440 | test [format_flags],8 |
||
2441 | jnz coff_64bit_relocation |
||
2442 | mov al,6 |
||
2443 | cmp [value_type],2 |
||
2444 | je coff_relocation |
||
2445 | cmp [value_type],5 |
||
2446 | jne invalid_use_of_symbol |
||
2447 | inc al |
||
2448 | jmp coff_relocation |
||
2449 | coff_64bit_relocation: |
||
2450 | mov al,1 |
||
2451 | cmp [value_type],4 |
||
2452 | je coff_relocation |
||
2453 | mov al,2 |
||
2454 | cmp [value_type],2 |
||
2455 | je coff_relocation |
||
2456 | cmp [value_type],5 |
||
2457 | jne invalid_use_of_symbol |
||
2458 | inc al |
||
2459 | jmp coff_relocation |
||
2460 | coff_relocation_relative: |
||
2461 | push ebx |
||
2462 | bt [format_flags],0 |
||
2463 | jnc relative_ok |
||
2464 | mov ebx,[current_section] |
||
2465 | mov ebx,[ebx+8] |
||
2466 | sub ebx,edi |
||
2467 | sub eax,ebx |
||
2468 | add eax,4 |
||
2469 | relative_ok: |
||
2470 | mov ebx,[addressing_space] |
||
2471 | push eax |
||
2472 | mov al,20 |
||
2473 | test [format_flags],8 |
||
2474 | jnz relative_coff_64bit_relocation |
||
2475 | cmp byte [ebx+9],2 |
||
2476 | jne invalid_use_of_symbol |
||
2477 | jmp coff_relocation |
||
2478 | relative_coff_64bit_relocation: |
||
2479 | mov al,4 |
||
2480 | cmp byte [ebx+9],4 |
||
2481 | jne invalid_use_of_symbol |
||
2482 | coff_relocation: |
||
2483 | mov ebx,[free_additional_memory] |
||
2484 | add ebx,0Ch |
||
2485 | cmp ebx,[structures_buffer] |
||
2486 | jae out_of_memory |
||
2487 | mov [free_additional_memory],ebx |
||
2488 | mov byte [ebx-0Ch],al |
||
2489 | mov eax,[current_section] |
||
2490 | mov eax,[eax+8] |
||
2491 | neg eax |
||
2492 | add eax,edi |
||
2493 | mov [ebx-0Ch+4],eax |
||
2494 | mov eax,[symbol_identifier] |
||
2495 | mov [ebx-0Ch+8],eax |
||
2496 | pop eax ebx |
||
2497 | ret |
||
2498 | close_coff: |
||
2499 | call close_coff_section |
||
2500 | cmp [next_pass_needed],0 |
||
2501 | je coff_closed |
||
2502 | mov eax,[symbols_stream] |
||
2503 | mov [free_additional_memory],eax |
||
2504 | coff_closed: |
||
2505 | ret |
||
2506 | coff_formatter: |
||
2507 | sub edi,[code_start] |
||
2508 | mov [code_size],edi |
||
2509 | call prepare_default_section |
||
2510 | mov edi,[free_additional_memory] |
||
2511 | mov ebx,edi |
||
2512 | mov ecx,28h shr 2 |
||
2513 | imul ecx,[number_of_sections] |
||
2514 | add ecx,14h shr 2 |
||
2515 | lea eax,[edi+ecx*4] |
||
2516 | cmp eax,[structures_buffer] |
||
2517 | jae out_of_memory |
||
2518 | xor eax,eax |
||
2519 | rep stos dword [edi] |
||
2520 | mov word [ebx],14Ch |
||
2521 | test [format_flags],8 |
||
2522 | jz coff_magic_ok |
||
2523 | mov word [ebx],8664h |
||
2524 | coff_magic_ok: |
||
2525 | mov word [ebx+12h],104h |
||
2526 | bt [format_flags],0 |
||
2527 | jnc coff_flags_ok |
||
2528 | or byte [ebx+12h],80h |
||
2529 | coff_flags_ok: |
||
2530 | push ebx |
||
2531 | call make_timestamp |
||
2532 | pop ebx |
||
2533 | mov [ebx+4],eax |
||
2534 | mov eax,[number_of_sections] |
||
2535 | mov [ebx+2],ax |
||
2536 | mov esi,[symbols_stream] |
||
2537 | xor eax,eax |
||
2538 | xor ecx,ecx |
||
2539 | enumerate_symbols: |
||
2540 | cmp esi,[free_additional_memory] |
||
2541 | je symbols_enumerated |
||
2542 | mov dl,[esi] |
||
2543 | or dl,dl |
||
2544 | jz enumerate_section |
||
2545 | cmp dl,0C0h |
||
2546 | jae enumerate_public |
||
2547 | cmp dl,80h |
||
2548 | jae enumerate_extrn |
||
2549 | add esi,0Ch |
||
2550 | jmp enumerate_symbols |
||
2551 | enumerate_section: |
||
2552 | mov edx,eax |
||
2553 | shl edx,8 |
||
2554 | mov [esi],edx |
||
2555 | inc eax |
||
2556 | inc ecx |
||
2557 | mov [esi+1Eh],cx |
||
2558 | add esi,20h |
||
2559 | jmp enumerate_symbols |
||
2560 | enumerate_public: |
||
2561 | mov edx,eax |
||
2562 | shl edx,8 |
||
2563 | mov dl,[esi] |
||
2564 | mov [esi],edx |
||
2565 | mov edx,[esi+8] |
||
2566 | add esi,10h |
||
2567 | inc eax |
||
2568 | cmp byte [edx+11],0 |
||
2569 | je enumerate_symbols |
||
2570 | mov edx,[edx+20] |
||
2571 | cmp byte [edx],0C0h |
||
2572 | jae enumerate_symbols |
||
2573 | cmp byte [edx],80h |
||
2574 | jb enumerate_symbols |
||
2575 | inc eax |
||
2576 | jmp enumerate_symbols |
||
2577 | enumerate_extrn: |
||
2578 | mov edx,eax |
||
2579 | shl edx,8 |
||
2580 | mov dl,[esi] |
||
2581 | mov [esi],edx |
||
2582 | add esi,0Ch |
||
2583 | inc eax |
||
2584 | jmp enumerate_symbols |
||
2585 | prepare_default_section: |
||
2586 | mov ebx,[symbols_stream] |
||
2587 | cmp dword [ebx+0Ch],0 |
||
2588 | jne default_section_ok |
||
2589 | cmp [number_of_sections],0 |
||
2590 | je default_section_ok |
||
2591 | mov edx,ebx |
||
2592 | find_references_to_default_section: |
||
2593 | cmp ebx,[free_additional_memory] |
||
2594 | jne check_reference |
||
2595 | add [symbols_stream],20h |
||
2596 | ret |
||
2597 | check_reference: |
||
2598 | mov al,[ebx] |
||
2599 | or al,al |
||
2600 | jz skip_other_section |
||
2601 | cmp al,0C0h |
||
2602 | jae check_public_reference |
||
2603 | cmp al,80h |
||
2604 | jae next_reference |
||
2605 | cmp edx,[ebx+8] |
||
2606 | je default_section_ok |
||
2607 | next_reference: |
||
2608 | add ebx,0Ch |
||
2609 | jmp find_references_to_default_section |
||
2610 | check_public_reference: |
||
2611 | mov eax,[ebx+8] |
||
2612 | add ebx,10h |
||
2613 | test byte [eax+8],1 |
||
2614 | jz find_references_to_default_section |
||
2615 | mov cx,[current_pass] |
||
2616 | cmp cx,[eax+16] |
||
2617 | jne find_references_to_default_section |
||
2618 | cmp edx,[eax+20] |
||
2619 | je default_section_ok |
||
2620 | jmp find_references_to_default_section |
||
2621 | skip_other_section: |
||
2622 | add ebx,20h |
||
2623 | jmp find_references_to_default_section |
||
2624 | default_section_ok: |
||
2625 | inc [number_of_sections] |
||
2626 | ret |
||
2627 | symbols_enumerated: |
||
2628 | mov [ebx+0Ch],eax |
||
2629 | mov ebp,edi |
||
2630 | sub ebp,ebx |
||
2631 | push ebp |
||
2632 | lea edi,[ebx+14h] |
||
2633 | mov esi,[symbols_stream] |
||
2634 | find_section: |
||
2635 | cmp esi,[free_additional_memory] |
||
2636 | je sections_finished |
||
2637 | mov al,[esi] |
||
2638 | or al,al |
||
2639 | jz section_found |
||
2640 | add esi,0Ch |
||
2641 | cmp al,0C0h |
||
2642 | jb find_section |
||
2643 | add esi,4 |
||
2644 | jmp find_section |
||
2645 | section_found: |
||
2646 | push esi edi |
||
2647 | mov esi,[esi+4] |
||
2648 | or esi,esi |
||
2649 | jz default_section |
||
2650 | mov ecx,[esi] |
||
2651 | add esi,4 |
||
2652 | rep movs byte [edi],[esi] |
||
2653 | jmp section_name_ok |
||
2654 | default_section: |
||
2655 | mov al,'.' |
||
2656 | stos byte [edi] |
||
2657 | mov eax,'flat' |
||
2658 | stos dword [edi] |
||
2659 | section_name_ok: |
||
2660 | pop edi esi |
||
2661 | mov eax,[esi+0Ch] |
||
2662 | mov [edi+10h],eax |
||
2663 | mov eax,[esi+14h] |
||
2664 | mov [edi+24h],eax |
||
2665 | test al,80h |
||
2666 | jnz section_ptr_ok |
||
2667 | mov eax,[esi+8] |
||
2668 | sub eax,[code_start] |
||
2669 | add eax,ebp |
||
2670 | mov [edi+14h],eax |
||
2671 | section_ptr_ok: |
||
2672 | mov ebx,[code_start] |
||
2673 | mov edx,[code_size] |
||
2674 | add ebx,edx |
||
2675 | add edx,ebp |
||
2676 | xor ecx,ecx |
||
2677 | add esi,20h |
||
2678 | find_relocations: |
||
2679 | cmp esi,[free_additional_memory] |
||
2680 | je section_relocations_done |
||
2681 | mov al,[esi] |
||
2682 | or al,al |
||
2683 | jz section_relocations_done |
||
2684 | cmp al,80h |
||
2685 | jb add_relocation |
||
2686 | cmp al,0C0h |
||
2687 | jb next_relocation |
||
2688 | add esi,10h |
||
2689 | jmp find_relocations |
||
2690 | add_relocation: |
||
2691 | lea eax,[ebx+0Ah] |
||
2692 | cmp eax,[tagged_blocks] |
||
2693 | ja out_of_memory |
||
2694 | mov eax,[esi+4] |
||
2695 | mov [ebx],eax |
||
2696 | mov eax,[esi+8] |
||
2697 | mov eax,[eax] |
||
2698 | shr eax,8 |
||
2699 | mov [ebx+4],eax |
||
2700 | movzx ax,byte [esi] |
||
2701 | mov [ebx+8],ax |
||
2702 | add ebx,0Ah |
||
2703 | inc ecx |
||
2704 | next_relocation: |
||
2705 | add esi,0Ch |
||
2706 | jmp find_relocations |
||
2707 | section_relocations_done: |
||
2708 | cmp ecx,10000h |
||
2709 | jb section_relocations_count_16bit |
||
2710 | bt [format_flags],0 |
||
2711 | jnc format_limitations_exceeded |
||
2712 | mov word [edi+20h],0FFFFh |
||
2713 | or dword [edi+24h],1000000h |
||
2714 | mov [edi+18h],edx |
||
2715 | push esi edi |
||
2716 | push ecx |
||
2717 | lea esi,[ebx-1] |
||
2718 | add ebx,0Ah |
||
2719 | lea edi,[ebx-1] |
||
2720 | imul ecx,0Ah |
||
2721 | std |
||
2722 | rep movs byte [edi],[esi] |
||
2723 | cld |
||
2724 | pop ecx |
||
2725 | inc esi |
||
2726 | inc ecx |
||
2727 | mov [esi],ecx |
||
2728 | xor eax,eax |
||
2729 | mov [esi+4],eax |
||
2730 | mov [esi+8],ax |
||
2731 | pop edi esi |
||
2732 | jmp section_relocations_ok |
||
2733 | section_relocations_count_16bit: |
||
2734 | mov [edi+20h],cx |
||
2735 | jcxz section_relocations_ok |
||
2736 | mov [edi+18h],edx |
||
2737 | section_relocations_ok: |
||
2738 | sub ebx,[code_start] |
||
2739 | mov [code_size],ebx |
||
2740 | add edi,28h |
||
2741 | jmp find_section |
||
2742 | sections_finished: |
||
2743 | mov edx,[free_additional_memory] |
||
2744 | mov ebx,[code_size] |
||
2745 | add ebp,ebx |
||
2746 | mov [edx+8],ebp |
||
2747 | add ebx,[code_start] |
||
2748 | mov edi,ebx |
||
2749 | mov ecx,[edx+0Ch] |
||
2750 | imul ecx,12h shr 1 |
||
2751 | xor eax,eax |
||
2752 | shr ecx,1 |
||
2753 | jnc zero_symbols_table |
||
2754 | stos word [edi] |
||
2755 | zero_symbols_table: |
||
2756 | rep stos dword [edi] |
||
2757 | mov edx,edi |
||
2758 | stos dword [edi] |
||
2759 | mov esi,[symbols_stream] |
||
2760 | make_symbols_table: |
||
2761 | cmp esi,[free_additional_memory] |
||
2762 | je symbols_table_ok |
||
2763 | mov al,[esi] |
||
2764 | cmp al,0C0h |
||
2765 | jae add_public_symbol |
||
2766 | cmp al,80h |
||
2767 | jae add_extrn_symbol |
||
2768 | or al,al |
||
2769 | jz add_section_symbol |
||
2770 | add esi,0Ch |
||
2771 | jmp make_symbols_table |
||
2772 | add_section_symbol: |
||
2773 | call store_symbol_name |
||
2774 | movzx eax,word [esi+1Eh] |
||
2775 | mov [ebx+0Ch],ax |
||
2776 | mov byte [ebx+10h],3 |
||
2777 | add esi,20h |
||
2778 | add ebx,12h |
||
2779 | jmp make_symbols_table |
||
2780 | add_extrn_symbol: |
||
2781 | call store_symbol_name |
||
2782 | mov byte [ebx+10h],2 |
||
2783 | add esi,0Ch |
||
2784 | add ebx,12h |
||
2785 | jmp make_symbols_table |
||
2786 | add_public_symbol: |
||
2787 | call store_symbol_name |
||
2788 | mov eax,[esi+0Ch] |
||
2789 | mov [current_line],eax |
||
2790 | mov eax,[esi+8] |
||
2791 | test byte [eax+8],1 |
||
2792 | jz undefined_coff_public |
||
2793 | mov cx,[current_pass] |
||
2794 | cmp cx,[eax+16] |
||
2795 | jne undefined_coff_public |
||
2796 | mov cl,[eax+11] |
||
2797 | or cl,cl |
||
2798 | jz public_constant |
||
2799 | test [format_flags],8 |
||
2800 | jnz check_64bit_public_symbol |
||
2801 | cmp cl,2 |
||
2802 | je public_symbol_type_ok |
||
2803 | jmp invalid_use_of_symbol |
||
2804 | undefined_coff_public: |
||
2805 | mov [error_info],eax |
||
2806 | jmp undefined_symbol |
||
2807 | check_64bit_public_symbol: |
||
2808 | cmp cl,4 |
||
2809 | jne invalid_use_of_symbol |
||
2810 | public_symbol_type_ok: |
||
2811 | mov ecx,[eax+20] |
||
2812 | cmp byte [ecx],80h |
||
2813 | je alias_symbol |
||
2814 | cmp byte [ecx],0 |
||
2815 | jne invalid_use_of_symbol |
||
2816 | mov cx,[ecx+1Eh] |
||
2817 | mov [ebx+0Ch],cx |
||
2818 | public_symbol_section_ok: |
||
2819 | movzx ecx,byte [eax+9] |
||
2820 | shr cl,1 |
||
2821 | and cl,1 |
||
2822 | neg ecx |
||
2823 | cmp ecx,[eax+4] |
||
2824 | jne value_out_of_range |
||
2825 | xor ecx,[eax] |
||
2826 | js value_out_of_range |
||
2827 | mov eax,[eax] |
||
2828 | mov [ebx+8],eax |
||
2829 | mov al,2 |
||
2830 | cmp byte [esi],0C0h |
||
2831 | je store_symbol_class |
||
2832 | inc al |
||
2833 | cmp byte [esi],0C1h |
||
2834 | je store_symbol_class |
||
2835 | mov al,105 |
||
2836 | store_symbol_class: |
||
2837 | mov byte [ebx+10h],al |
||
2838 | add esi,10h |
||
2839 | add ebx,12h |
||
2840 | jmp make_symbols_table |
||
2841 | alias_symbol: |
||
2842 | bt [format_flags],0 |
||
2843 | jnc invalid_use_of_symbol |
||
2844 | mov ecx,[eax] |
||
2845 | or ecx,[eax+4] |
||
2846 | jnz invalid_use_of_symbol |
||
2847 | mov byte [ebx+10h],69h |
||
2848 | mov byte [ebx+11h],1 |
||
2849 | add ebx,12h |
||
2850 | mov ecx,[eax+20] |
||
2851 | mov ecx,[ecx] |
||
2852 | shr ecx,8 |
||
2853 | mov [ebx],ecx |
||
2854 | mov byte [ebx+4],3 |
||
2855 | add esi,10h |
||
2856 | add ebx,12h |
||
2857 | jmp make_symbols_table |
||
2858 | public_constant: |
||
2859 | mov word [ebx+0Ch],0FFFFh |
||
2860 | jmp public_symbol_section_ok |
||
2861 | symbols_table_ok: |
||
2862 | mov eax,edi |
||
2863 | sub eax,edx |
||
2864 | mov [edx],eax |
||
2865 | sub edi,[code_start] |
||
2866 | mov [code_size],edi |
||
2867 | and [written_size],0 |
||
2868 | mov edx,[output_file] |
||
2869 | call create |
||
2870 | jc write_failed |
||
2871 | mov edx,[free_additional_memory] |
||
2872 | pop ecx |
||
2873 | add [written_size],ecx |
||
2874 | call write |
||
2875 | jc write_failed |
||
2876 | jmp write_output |
||
2877 | store_symbol_name: |
||
2878 | push esi |
||
2879 | mov esi,[esi+4] |
||
2880 | or esi,esi |
||
2881 | jz default_name |
||
2882 | lods dword [esi] |
||
2883 | mov ecx,eax |
||
2884 | cmp ecx,8 |
||
2885 | ja add_string |
||
2886 | push edi |
||
2887 | mov edi,ebx |
||
2888 | rep movs byte [edi],[esi] |
||
2889 | pop edi esi |
||
2890 | ret |
||
2891 | default_name: |
||
2892 | mov dword [ebx],'.fla' |
||
2893 | mov dword [ebx+4],'t' |
||
2894 | pop esi |
||
2895 | ret |
||
2896 | add_string: |
||
2897 | mov eax,edi |
||
2898 | sub eax,edx |
||
2899 | mov [ebx+4],eax |
||
2900 | inc ecx |
||
2901 | rep movs byte [edi],[esi] |
||
2902 | pop esi |
||
2903 | ret |
||
2904 | |||
2905 | |||
2906 | test [format_flags],8 |
||
2907 | jnz format_elf64 |
||
2908 | mov edx,edi |
||
2909 | mov ecx,34h shr 2 |
||
2910 | lea eax,[edi+ecx*4] |
||
2911 | cmp eax,[tagged_blocks] |
||
2912 | jae out_of_memory |
||
2913 | xor eax,eax |
||
2914 | rep stos dword [edi] |
||
2915 | mov dword [edx],7Fh + 'ELF' shl 8 |
||
2916 | mov al,1 |
||
2917 | mov [edx+4],al |
||
2918 | mov [edx+5],al |
||
2919 | mov [edx+6],al |
||
2920 | mov [edx+14h],al |
||
2921 | mov byte [edx+12h],3 |
||
2922 | mov byte [edx+28h],34h |
||
2923 | mov byte [edx+2Eh],28h |
||
2924 | mov [code_type],32 |
||
2925 | mov byte [edx+10h],2 |
||
2926 | cmp word [esi],1D19h |
||
2927 | je format_elf_exe |
||
2928 | mov byte [edx+10h],3 |
||
2929 | cmp word [esi],021Eh |
||
2930 | je format_elf_exe |
||
2931 | elf_header_ok: |
||
2932 | mov byte [edx+10h],1 |
||
2933 | mov eax,[additional_memory] |
||
2934 | mov [symbols_stream],eax |
||
2935 | mov ebx,eax |
||
2936 | add eax,20h |
||
2937 | cmp eax,[structures_buffer] |
||
2938 | jae out_of_memory |
||
2939 | mov [free_additional_memory],eax |
||
2940 | xor eax,eax |
||
2941 | mov [current_section],ebx |
||
2942 | mov [number_of_sections],eax |
||
2943 | mov [ebx],al |
||
2944 | mov [ebx+4],eax |
||
2945 | mov [ebx+8],edi |
||
2946 | mov al,111b |
||
2947 | mov [ebx+14h],eax |
||
2948 | mov al,4 |
||
2949 | mov [ebx+10h],eax |
||
2950 | mov edx,ebx |
||
2951 | call init_addressing_space |
||
2952 | xchg edx,ebx |
||
2953 | mov [edx+14h],ebx |
||
2954 | mov byte [edx+9],2 |
||
2955 | test [format_flags],8 |
||
2956 | jz format_defined |
||
2957 | mov byte [edx+9],4 |
||
2958 | mov byte [ebx+10h],8 |
||
2959 | jmp format_defined |
||
2960 | format_elf64: |
||
2961 | mov edx,edi |
||
2962 | mov ecx,40h shr 2 |
||
2963 | lea eax,[edi+ecx*4] |
||
2964 | cmp eax,[tagged_blocks] |
||
2965 | jae out_of_memory |
||
2966 | xor eax,eax |
||
2967 | rep stos dword [edi] |
||
2968 | mov dword [edx],7Fh + 'ELF' shl 8 |
||
2969 | mov al,1 |
||
2970 | mov [edx+5],al |
||
2971 | mov [edx+6],al |
||
2972 | mov [edx+14h],al |
||
2973 | mov byte [edx+4],2 |
||
2974 | mov byte [edx+12h],62 |
||
2975 | mov byte [edx+34h],40h |
||
2976 | mov byte [edx+3Ah],40h |
||
2977 | mov [code_type],64 |
||
2978 | mov byte [edx+10h],2 |
||
2979 | cmp word [esi],1D19h |
||
2980 | je format_elf64_exe |
||
2981 | mov byte [edx+10h],3 |
||
2982 | cmp word [esi],021Eh |
||
2983 | je format_elf64_exe |
||
2984 | jmp elf_header_ok |
||
2985 | elf_section: |
||
2986 | bt [format_flags],0 |
||
2987 | jc illegal_instruction |
||
2988 | call close_coff_section |
||
2989 | mov ebx,[free_additional_memory] |
||
2990 | lea eax,[ebx+20h] |
||
2991 | cmp eax,[structures_buffer] |
||
2992 | jae out_of_memory |
||
2993 | mov [free_additional_memory],eax |
||
2994 | mov [current_section],ebx |
||
2995 | inc word [number_of_sections] |
||
2996 | jz format_limitations_exceeded |
||
2997 | xor eax,eax |
||
2998 | mov [ebx],al |
||
2999 | mov [ebx+8],edi |
||
3000 | mov [ebx+10h],eax |
||
3001 | mov al,10b |
||
3002 | mov [ebx+14h],eax |
||
3003 | mov edx,ebx |
||
3004 | call create_addressing_space |
||
3005 | xchg edx,ebx |
||
3006 | mov [edx+14h],ebx |
||
3007 | mov byte [edx+9],2 |
||
3008 | test [format_flags],8 |
||
3009 | jz elf_labels_type_ok |
||
3010 | mov byte [edx+9],4 |
||
3011 | elf_labels_type_ok: |
||
3012 | lods word [esi] |
||
3013 | cmp ax,'(' |
||
3014 | jne invalid_argument |
||
3015 | mov [ebx+4],esi |
||
3016 | mov ecx,[esi] |
||
3017 | lea esi,[esi+4+ecx+1] |
||
3018 | elf_section_flags: |
||
3019 | cmp byte [esi],8Ch |
||
3020 | je elf_section_alignment |
||
3021 | cmp byte [esi],19h |
||
3022 | jne elf_section_settings_ok |
||
3023 | inc esi |
||
3024 | lods byte [esi] |
||
3025 | sub al,28 |
||
3026 | xor al,11b |
||
3027 | test al,not 10b |
||
3028 | jnz invalid_argument |
||
3029 | mov cl,al |
||
3030 | mov al,1 |
||
3031 | shl al,cl |
||
3032 | test byte [ebx+14h],al |
||
3033 | jnz setting_already_specified |
||
3034 | or byte [ebx+14h],al |
||
3035 | jmp elf_section_flags |
||
3036 | elf_section_alignment: |
||
3037 | inc esi |
||
3038 | lods byte [esi] |
||
3039 | cmp al,'(' |
||
3040 | jne invalid_argument |
||
3041 | cmp byte [esi],'.' |
||
3042 | je invalid_value |
||
3043 | push ebx |
||
3044 | call get_count_value |
||
3045 | pop ebx |
||
3046 | mov edx,eax |
||
3047 | dec edx |
||
3048 | test eax,edx |
||
3049 | jnz invalid_value |
||
3050 | or eax,eax |
||
3051 | jz invalid_value |
||
3052 | xchg [ebx+10h],eax |
||
3053 | or eax,eax |
||
3054 | jnz setting_already_specified |
||
3055 | jmp elf_section_flags |
||
3056 | elf_section_settings_ok: |
||
3057 | cmp dword [ebx+10h],0 |
||
3058 | jne instruction_assembled |
||
3059 | mov dword [ebx+10h],4 |
||
3060 | test [format_flags],8 |
||
3061 | jz instruction_assembled |
||
3062 | mov byte [ebx+10h],8 |
||
3063 | jmp instruction_assembled |
||
3064 | mark_elf_relocation: |
||
3065 | test [format_flags],1 |
||
3066 | jnz invalid_use_of_symbol |
||
3067 | push ebx |
||
3068 | mov ebx,[addressing_space] |
||
3069 | cmp [value_type],3 |
||
3070 | je elf_relocation_relative |
||
3071 | cmp [value_type],7 |
||
3072 | je elf_relocation_relative |
||
3073 | push eax |
||
3074 | cmp [value_type],5 |
||
3075 | je elf_gotoff_relocation |
||
3076 | ja invalid_use_of_symbol |
||
3077 | mov al,1 ; R_386_32 / R_AMD64_64 |
||
3078 | test [format_flags],8 |
||
3079 | jz coff_relocation |
||
3080 | cmp [value_type],4 |
||
3081 | je coff_relocation |
||
3082 | mov al,11 ; R_AMD64_32S |
||
3083 | jmp coff_relocation |
||
3084 | elf_gotoff_relocation: |
||
3085 | test [format_flags],8 |
||
3086 | jnz invalid_use_of_symbol |
||
3087 | mov al,9 ; R_386_GOTOFF |
||
3088 | jmp coff_relocation |
||
3089 | elf_relocation_relative: |
||
3090 | cmp byte [ebx+9],0 |
||
3091 | je invalid_use_of_symbol |
||
3092 | mov ebx,[current_section] |
||
3093 | mov ebx,[ebx+8] |
||
3094 | sub ebx,edi |
||
3095 | sub eax,ebx |
||
3096 | push eax |
||
3097 | mov al,2 ; R_386_PC32 / R_AMD64_PC32 |
||
3098 | cmp [value_type],3 |
||
3099 | je coff_relocation |
||
3100 | mov al,4 ; R_386_PLT32 / R_AMD64_PLT32 |
||
3101 | jmp coff_relocation |
||
3102 | close_elf: |
||
3103 | bt [format_flags],0 |
||
3104 | jc close_elf_exe |
||
3105 | call close_coff_section |
||
3106 | cmp [next_pass_needed],0 |
||
3107 | je elf_closed |
||
3108 | mov eax,[symbols_stream] |
||
3109 | mov [free_additional_memory],eax |
||
3110 | elf_closed: |
||
3111 | ret |
||
3112 | elf_formatter: |
||
3113 | mov ecx,edi |
||
3114 | sub ecx,[code_start] |
||
3115 | neg ecx |
||
3116 | and ecx,111b |
||
3117 | test [format_flags],8 |
||
3118 | jnz align_elf_structures |
||
3119 | and ecx,11b |
||
3120 | align_elf_structures: |
||
3121 | xor al,al |
||
3122 | rep stos byte [edi] |
||
3123 | push edi |
||
3124 | call prepare_default_section |
||
3125 | mov esi,[symbols_stream] |
||
3126 | mov edi,[free_additional_memory] |
||
3127 | xor eax,eax |
||
3128 | mov ecx,4 |
||
3129 | rep stos dword [edi] |
||
3130 | test [format_flags],8 |
||
3131 | jz find_first_section |
||
3132 | mov ecx,2 |
||
3133 | rep stos dword [edi] |
||
3134 | find_first_section: |
||
3135 | mov al,[esi] |
||
3136 | or al,al |
||
3137 | jz first_section_found |
||
3138 | cmp al,0C0h |
||
3139 | jb skip_other_symbol |
||
3140 | add esi,4 |
||
3141 | skip_other_symbol: |
||
3142 | add esi,0Ch |
||
3143 | jmp find_first_section |
||
3144 | first_section_found: |
||
3145 | mov ebx,esi |
||
3146 | mov ebp,esi |
||
3147 | add esi,20h |
||
3148 | xor ecx,ecx |
||
3149 | xor edx,edx |
||
3150 | find_next_section: |
||
3151 | cmp esi,[free_additional_memory] |
||
3152 | je make_section_symbol |
||
3153 | mov al,[esi] |
||
3154 | or al,al |
||
3155 | jz make_section_symbol |
||
3156 | cmp al,0C0h |
||
3157 | jae skip_public |
||
3158 | cmp al,80h |
||
3159 | jae skip_extrn |
||
3160 | or byte [ebx+14h],40h |
||
3161 | skip_extrn: |
||
3162 | add esi,0Ch |
||
3163 | jmp find_next_section |
||
3164 | skip_public: |
||
3165 | add esi,10h |
||
3166 | jmp find_next_section |
||
3167 | make_section_symbol: |
||
3168 | mov eax,edi |
||
3169 | xchg eax,[ebx+4] |
||
3170 | stos dword [edi] |
||
3171 | test [format_flags],8 |
||
3172 | jnz elf64_section_symbol |
||
3173 | xor eax,eax |
||
3174 | stos dword [edi] |
||
3175 | stos dword [edi] |
||
3176 | call store_section_index |
||
3177 | jmp section_symbol_ok |
||
3178 | store_section_index: |
||
3179 | inc ecx |
||
3180 | mov eax,ecx |
||
3181 | shl eax,8 |
||
3182 | mov [ebx],eax |
||
3183 | inc dx |
||
3184 | jz format_limitations_exceeded |
||
3185 | mov eax,edx |
||
3186 | shl eax,16 |
||
3187 | mov al,3 |
||
3188 | test byte [ebx+14h],40h |
||
3189 | jz section_index_ok |
||
3190 | or ah,-1 |
||
3191 | inc dx |
||
3192 | jz format_limitations_exceeded |
||
3193 | section_index_ok: |
||
3194 | stos dword [edi] |
||
3195 | ret |
||
3196 | elf64_section_symbol: |
||
3197 | call store_section_index |
||
3198 | xor eax,eax |
||
3199 | stos dword [edi] |
||
3200 | stos dword [edi] |
||
3201 | stos dword [edi] |
||
3202 | stos dword [edi] |
||
3203 | section_symbol_ok: |
||
3204 | mov ebx,esi |
||
3205 | add esi,20h |
||
3206 | cmp ebx,[free_additional_memory] |
||
3207 | jne find_next_section |
||
3208 | inc dx |
||
3209 | jz format_limitations_exceeded |
||
3210 | mov [current_section],edx |
||
3211 | mov esi,[symbols_stream] |
||
3212 | find_other_symbols: |
||
3213 | cmp esi,[free_additional_memory] |
||
3214 | je elf_symbol_table_ok |
||
3215 | mov al,[esi] |
||
3216 | or al,al |
||
3217 | jz skip_section |
||
3218 | cmp al,0C0h |
||
3219 | jae make_public_symbol |
||
3220 | cmp al,80h |
||
3221 | jae make_extrn_symbol |
||
3222 | add esi,0Ch |
||
3223 | jmp find_other_symbols |
||
3224 | skip_section: |
||
3225 | add esi,20h |
||
3226 | jmp find_other_symbols |
||
3227 | make_public_symbol: |
||
3228 | mov eax,[esi+0Ch] |
||
3229 | mov [current_line],eax |
||
3230 | cmp byte [esi],0C0h |
||
3231 | jne invalid_argument |
||
3232 | mov ebx,[esi+8] |
||
3233 | test byte [ebx+8],1 |
||
3234 | jz undefined_public |
||
3235 | mov ax,[current_pass] |
||
3236 | cmp ax,[ebx+16] |
||
3237 | jne undefined_public |
||
3238 | mov dl,[ebx+11] |
||
3239 | or dl,dl |
||
3240 | jz public_absolute |
||
3241 | mov eax,[ebx+20] |
||
3242 | cmp byte [eax],0 |
||
3243 | jne invalid_use_of_symbol |
||
3244 | mov eax,[eax+4] |
||
3245 | test [format_flags],8 |
||
3246 | jnz elf64_public |
||
3247 | cmp dl,2 |
||
3248 | jne invalid_use_of_symbol |
||
3249 | mov dx,[eax+0Eh] |
||
3250 | jmp section_for_public_ok |
||
3251 | undefined_public: |
||
3252 | mov [error_info],ebx |
||
3253 | jmp undefined_symbol |
||
3254 | elf64_public: |
||
3255 | cmp dl,4 |
||
3256 | jne invalid_use_of_symbol |
||
3257 | mov dx,[eax+6] |
||
3258 | jmp section_for_public_ok |
||
3259 | public_absolute: |
||
3260 | mov dx,0FFF1h |
||
3261 | section_for_public_ok: |
||
3262 | mov eax,[esi+4] |
||
3263 | stos dword [edi] |
||
3264 | test [format_flags],8 |
||
3265 | jnz elf64_public_symbol |
||
3266 | movzx eax,byte [ebx+9] |
||
3267 | shr al,1 |
||
3268 | and al,1 |
||
3269 | neg eax |
||
3270 | cmp eax,[ebx+4] |
||
3271 | jne value_out_of_range |
||
3272 | xor eax,[ebx] |
||
3273 | js value_out_of_range |
||
3274 | mov eax,[ebx] |
||
3275 | stos dword [edi] |
||
3276 | xor eax,eax |
||
3277 | mov al,[ebx+10] |
||
3278 | stos dword [edi] |
||
3279 | mov eax,edx |
||
3280 | shl eax,16 |
||
3281 | mov al,10h |
||
3282 | cmp byte [ebx+10],0 |
||
3283 | je elf_public_function |
||
3284 | or al,1 |
||
3285 | jmp store_elf_public_info |
||
3286 | elf_public_function: |
||
3287 | or al,2 |
||
3288 | store_elf_public_info: |
||
3289 | stos dword [edi] |
||
3290 | jmp public_symbol_ok |
||
3291 | elf64_public_symbol: |
||
3292 | mov eax,edx |
||
3293 | shl eax,16 |
||
3294 | mov al,10h |
||
3295 | cmp byte [ebx+10],0 |
||
3296 | je elf64_public_function |
||
3297 | or al,1 |
||
3298 | jmp store_elf64_public_info |
||
3299 | elf64_public_function: |
||
3300 | or al,2 |
||
3301 | store_elf64_public_info: |
||
3302 | stos dword [edi] |
||
3303 | mov al,[ebx+9] |
||
3304 | shl eax,31-1 |
||
3305 | xor eax,[ebx+4] |
||
3306 | js value_out_of_range |
||
3307 | mov eax,[ebx] |
||
3308 | stos dword [edi] |
||
3309 | mov eax,[ebx+4] |
||
3310 | stos dword [edi] |
||
3311 | mov al,[ebx+10] |
||
3312 | stos dword [edi] |
||
3313 | xor al,al |
||
3314 | stos dword [edi] |
||
3315 | public_symbol_ok: |
||
3316 | inc ecx |
||
3317 | mov eax,ecx |
||
3318 | shl eax,8 |
||
3319 | mov al,0C0h |
||
3320 | mov [esi],eax |
||
3321 | add esi,10h |
||
3322 | jmp find_other_symbols |
||
3323 | make_extrn_symbol: |
||
3324 | mov eax,[esi+4] |
||
3325 | stos dword [edi] |
||
3326 | test [format_flags],8 |
||
3327 | jnz elf64_extrn_symbol |
||
3328 | xor eax,eax |
||
3329 | stos dword [edi] |
||
3330 | mov eax,[esi+8] |
||
3331 | stos dword [edi] |
||
3332 | mov eax,10h |
||
3333 | stos dword [edi] |
||
3334 | jmp extrn_symbol_ok |
||
3335 | elf64_extrn_symbol: |
||
3336 | mov eax,10h |
||
3337 | stos dword [edi] |
||
3338 | xor al,al |
||
3339 | stos dword [edi] |
||
3340 | stos dword [edi] |
||
3341 | mov eax,[esi+8] |
||
3342 | stos dword [edi] |
||
3343 | xor eax,eax |
||
3344 | stos dword [edi] |
||
3345 | extrn_symbol_ok: |
||
3346 | inc ecx |
||
3347 | mov eax,ecx |
||
3348 | shl eax,8 |
||
3349 | mov al,80h |
||
3350 | mov [esi],eax |
||
3351 | add esi,0Ch |
||
3352 | jmp find_other_symbols |
||
3353 | elf_symbol_table_ok: |
||
3354 | mov edx,edi |
||
3355 | mov ebx,[free_additional_memory] |
||
3356 | xor al,al |
||
3357 | stos byte [edi] |
||
3358 | add edi,16 |
||
3359 | mov [edx+1],edx |
||
3360 | add ebx,10h |
||
3361 | test [format_flags],8 |
||
3362 | jz make_string_table |
||
3363 | add ebx,8 |
||
3364 | make_string_table: |
||
3365 | cmp ebx,edx |
||
3366 | je elf_string_table_ok |
||
3367 | test [format_flags],8 |
||
3368 | jnz make_elf64_string |
||
3369 | cmp byte [ebx+0Dh],0 |
||
3370 | je rel_prefix_ok |
||
3371 | mov byte [ebx+0Dh],0 |
||
3372 | mov eax,'.rel' |
||
3373 | stos dword [edi] |
||
3374 | rel_prefix_ok: |
||
3375 | mov esi,edi |
||
3376 | sub esi,edx |
||
3377 | xchg esi,[ebx] |
||
3378 | add ebx,10h |
||
3379 | make_elf_string: |
||
3380 | or esi,esi |
||
3381 | jz default_string |
||
3382 | lods dword [esi] |
||
3383 | mov ecx,eax |
||
3384 | rep movs byte [edi],[esi] |
||
3385 | xor al,al |
||
3386 | stos byte [edi] |
||
3387 | jmp make_string_table |
||
3388 | make_elf64_string: |
||
3389 | cmp byte [ebx+5],0 |
||
3390 | je elf64_rel_prefix_ok |
||
3391 | mov byte [ebx+5],0 |
||
3392 | mov eax,'.rel' |
||
3393 | stos dword [edi] |
||
3394 | mov al,'a' |
||
3395 | stos byte [edi] |
||
3396 | elf64_rel_prefix_ok: |
||
3397 | mov esi,edi |
||
3398 | sub esi,edx |
||
3399 | xchg esi,[ebx] |
||
3400 | add ebx,18h |
||
3401 | jmp make_elf_string |
||
3402 | default_string: |
||
3403 | mov eax,'.fla' |
||
3404 | stos dword [edi] |
||
3405 | mov ax,'t' |
||
3406 | stos word [edi] |
||
3407 | jmp make_string_table |
||
3408 | elf_string_table_ok: |
||
3409 | mov [edx+1+8],edi |
||
3410 | mov ebx,[code_start] |
||
3411 | mov eax,edi |
||
3412 | sub eax,[free_additional_memory] |
||
3413 | xor ecx,ecx |
||
3414 | sub ecx,eax |
||
3415 | test [format_flags],8 |
||
3416 | jnz finish_elf64_header |
||
3417 | and ecx,11b |
||
3418 | add eax,ecx |
||
3419 | mov [ebx+20h],eax |
||
3420 | mov eax,[current_section] |
||
3421 | inc ax |
||
3422 | jz format_limitations_exceeded |
||
3423 | mov [ebx+32h],ax |
||
3424 | inc ax |
||
3425 | jz format_limitations_exceeded |
||
3426 | mov [ebx+30h],ax |
||
3427 | jmp elf_header_finished |
||
3428 | finish_elf64_header: |
||
3429 | and ecx,111b |
||
3430 | add eax,ecx |
||
3431 | mov [ebx+28h],eax |
||
3432 | mov eax,[current_section] |
||
3433 | inc ax |
||
3434 | jz format_limitations_exceeded |
||
3435 | mov [ebx+3Eh],ax |
||
3436 | inc ax |
||
3437 | jz format_limitations_exceeded |
||
3438 | mov [ebx+3Ch],ax |
||
3439 | elf_header_finished: |
||
3440 | xor eax,eax |
||
3441 | add ecx,10*4 |
||
3442 | rep stos byte [edi] |
||
3443 | test [format_flags],8 |
||
3444 | jz elf_null_section_ok |
||
3445 | mov ecx,6*4 |
||
3446 | rep stos byte [edi] |
||
3447 | elf_null_section_ok: |
||
3448 | mov esi,ebp |
||
3449 | xor ecx,ecx |
||
3450 | make_section_entry: |
||
3451 | mov ebx,edi |
||
3452 | mov eax,[esi+4] |
||
3453 | mov eax,[eax] |
||
3454 | stos dword [edi] |
||
3455 | mov eax,1 |
||
3456 | cmp dword [esi+0Ch],0 |
||
3457 | je bss_section |
||
3458 | test byte [esi+14h],80h |
||
3459 | jz section_type_ok |
||
3460 | bss_section: |
||
3461 | mov al,8 |
||
3462 | section_type_ok: |
||
3463 | stos dword [edi] |
||
3464 | mov eax,[esi+14h] |
||
3465 | and al,3Fh |
||
3466 | call store_elf_machine_word |
||
3467 | xor eax,eax |
||
3468 | call store_elf_machine_word |
||
3469 | mov eax,[esi+8] |
||
3470 | mov [image_base],eax |
||
3471 | sub eax,[code_start] |
||
3472 | call store_elf_machine_word |
||
3473 | mov eax,[esi+0Ch] |
||
3474 | call store_elf_machine_word |
||
3475 | xor eax,eax |
||
3476 | stos dword [edi] |
||
3477 | stos dword [edi] |
||
3478 | mov eax,[esi+10h] |
||
3479 | call store_elf_machine_word |
||
3480 | xor eax,eax |
||
3481 | call store_elf_machine_word |
||
3482 | inc ecx |
||
3483 | add esi,20h |
||
3484 | xchg edi,[esp] |
||
3485 | mov ebp,edi |
||
3486 | convert_relocations: |
||
3487 | cmp esi,[free_additional_memory] |
||
3488 | je relocations_converted |
||
3489 | mov al,[esi] |
||
3490 | or al,al |
||
3491 | jz relocations_converted |
||
3492 | cmp al,80h |
||
3493 | jb make_relocation_entry |
||
3494 | cmp al,0C0h |
||
3495 | jb relocation_entry_ok |
||
3496 | add esi,10h |
||
3497 | jmp convert_relocations |
||
3498 | make_relocation_entry: |
||
3499 | test [format_flags],8 |
||
3500 | jnz make_elf64_relocation_entry |
||
3501 | mov eax,[esi+4] |
||
3502 | stos dword [edi] |
||
3503 | mov eax,[esi+8] |
||
3504 | mov eax,[eax] |
||
3505 | mov al,[esi] |
||
3506 | stos dword [edi] |
||
3507 | jmp relocation_entry_ok |
||
3508 | make_elf64_relocation_entry: |
||
3509 | mov eax,[esi+4] |
||
3510 | stos dword [edi] |
||
3511 | xor eax,eax |
||
3512 | stos dword [edi] |
||
3513 | movzx eax,byte [esi] |
||
3514 | stos dword [edi] |
||
3515 | mov eax,[esi+8] |
||
3516 | mov eax,[eax] |
||
3517 | shr eax,8 |
||
3518 | stos dword [edi] |
||
3519 | xor eax,eax |
||
3520 | push edx |
||
3521 | mov edx,[esi+4] |
||
3522 | add edx,[image_base] |
||
3523 | xchg eax,[edx] |
||
3524 | stos dword [edi] |
||
3525 | cmp byte [esi],1 |
||
3526 | je addend_64bit |
||
3527 | pop edx |
||
3528 | sar eax,31 |
||
3529 | stos dword [edi] |
||
3530 | jmp relocation_entry_ok |
||
3531 | addend_64bit: |
||
3532 | xor eax,eax |
||
3533 | xchg eax,[edx+4] |
||
3534 | stos dword [edi] |
||
3535 | pop edx |
||
3536 | relocation_entry_ok: |
||
3537 | add esi,0Ch |
||
3538 | jmp convert_relocations |
||
3539 | store_elf_machine_word: |
||
3540 | stos dword [edi] |
||
3541 | test [format_flags],8 |
||
3542 | jz elf_machine_word_ok |
||
3543 | and dword [edi],0 |
||
3544 | add edi,4 |
||
3545 | elf_machine_word_ok: |
||
3546 | ret |
||
3547 | relocations_converted: |
||
3548 | cmp edi,ebp |
||
3549 | xchg edi,[esp] |
||
3550 | je rel_section_ok |
||
3551 | mov eax,[ebx] |
||
3552 | sub eax,4 |
||
3553 | test [format_flags],8 |
||
3554 | jz store_relocations_name_offset |
||
3555 | dec eax |
||
3556 | store_relocations_name_offset: |
||
3557 | stos dword [edi] |
||
3558 | test [format_flags],8 |
||
3559 | jnz rela_section |
||
3560 | mov eax,9 |
||
3561 | jmp store_relocations_type |
||
3562 | rela_section: |
||
3563 | mov eax,4 |
||
3564 | store_relocations_type: |
||
3565 | stos dword [edi] |
||
3566 | xor al,al |
||
3567 | call store_elf_machine_word |
||
3568 | call store_elf_machine_word |
||
3569 | mov eax,ebp |
||
3570 | sub eax,[code_start] |
||
3571 | call store_elf_machine_word |
||
3572 | mov eax,[esp] |
||
3573 | sub eax,ebp |
||
3574 | call store_elf_machine_word |
||
3575 | mov eax,[current_section] |
||
3576 | stos dword [edi] |
||
3577 | mov eax,ecx |
||
3578 | stos dword [edi] |
||
3579 | inc ecx |
||
3580 | test [format_flags],8 |
||
3581 | jnz finish_elf64_rela_section |
||
3582 | mov eax,4 |
||
3583 | stos dword [edi] |
||
3584 | mov al,8 |
||
3585 | stos dword [edi] |
||
3586 | jmp rel_section_ok |
||
3587 | finish_elf64_rela_section: |
||
3588 | mov eax,8 |
||
3589 | stos dword [edi] |
||
3590 | xor al,al |
||
3591 | stos dword [edi] |
||
3592 | mov al,24 |
||
3593 | stos dword [edi] |
||
3594 | xor al,al |
||
3595 | stos dword [edi] |
||
3596 | rel_section_ok: |
||
3597 | cmp esi,[free_additional_memory] |
||
3598 | jne make_section_entry |
||
3599 | pop eax |
||
3600 | mov ebx,[code_start] |
||
3601 | sub eax,ebx |
||
3602 | mov [code_size],eax |
||
3603 | mov ecx,20h |
||
3604 | test [format_flags],8 |
||
3605 | jz adjust_elf_section_headers_offset |
||
3606 | mov ecx,28h |
||
3607 | adjust_elf_section_headers_offset: |
||
3608 | add [ebx+ecx],eax |
||
3609 | mov eax,1 |
||
3610 | stos dword [edi] |
||
3611 | mov al,2 |
||
3612 | stos dword [edi] |
||
3613 | xor al,al |
||
3614 | call store_elf_machine_word |
||
3615 | call store_elf_machine_word |
||
3616 | mov eax,[code_size] |
||
3617 | call store_elf_machine_word |
||
3618 | mov eax,[edx+1] |
||
3619 | sub eax,[free_additional_memory] |
||
3620 | call store_elf_machine_word |
||
3621 | mov eax,[current_section] |
||
3622 | inc eax |
||
3623 | stos dword [edi] |
||
3624 | mov eax,[number_of_sections] |
||
3625 | inc eax |
||
3626 | stos dword [edi] |
||
3627 | test [format_flags],8 |
||
3628 | jnz finish_elf64_sym_section |
||
3629 | mov eax,4 |
||
3630 | stos dword [edi] |
||
3631 | mov al,10h |
||
3632 | stos dword [edi] |
||
3633 | jmp sym_section_ok |
||
3634 | finish_elf64_sym_section: |
||
3635 | mov eax,8 |
||
3636 | stos dword [edi] |
||
3637 | xor al,al |
||
3638 | stos dword [edi] |
||
3639 | mov al,18h |
||
3640 | stos dword [edi] |
||
3641 | xor al,al |
||
3642 | stos dword [edi] |
||
3643 | sym_section_ok: |
||
3644 | mov al,1+8 |
||
3645 | stos dword [edi] |
||
3646 | mov al,3 |
||
3647 | stos dword [edi] |
||
3648 | xor al,al |
||
3649 | call store_elf_machine_word |
||
3650 | call store_elf_machine_word |
||
3651 | mov eax,[edx+1] |
||
3652 | sub eax,[free_additional_memory] |
||
3653 | add eax,[code_size] |
||
3654 | call store_elf_machine_word |
||
3655 | mov eax,[edx+1+8] |
||
3656 | sub eax,[edx+1] |
||
3657 | call store_elf_machine_word |
||
3658 | xor eax,eax |
||
3659 | stos dword [edi] |
||
3660 | stos dword [edi] |
||
3661 | mov al,1 |
||
3662 | call store_elf_machine_word |
||
3663 | xor eax,eax |
||
3664 | call store_elf_machine_word |
||
3665 | mov eax,'tab' |
||
3666 | mov dword [edx+1],'.sym' |
||
3667 | mov [edx+1+4],eax |
||
3668 | mov dword [edx+1+8],'.str' |
||
3669 | mov [edx+1+8+4],eax |
||
3670 | mov [resource_data],edx |
||
3671 | mov [written_size],0 |
||
3672 | mov edx,[output_file] |
||
3673 | call create |
||
3674 | jc write_failed |
||
3675 | call write_code |
||
3676 | mov ecx,edi |
||
3677 | mov edx,[free_additional_memory] |
||
3678 | sub ecx,edx |
||
3679 | add [written_size],ecx |
||
3680 | call write |
||
3681 | jc write_failed |
||
3682 | jmp output_written |
||
3683 | |||
3684 | |||
3685 | add esi,2 |
||
3686 | or [format_flags],1 |
||
3687 | cmp byte [esi],'(' |
||
3688 | jne elf_exe_brand_ok |
||
3689 | inc esi |
||
3690 | cmp byte [esi],'.' |
||
3691 | je invalid_value |
||
3692 | push edx |
||
3693 | call get_byte_value |
||
3694 | cmp [value_type],0 |
||
3695 | jne invalid_use_of_symbol |
||
3696 | pop edx |
||
3697 | mov [edx+7],al |
||
3698 | elf_exe_brand_ok: |
||
3699 | mov [image_base],8048000h |
||
3700 | cmp byte [esi],80h |
||
3701 | jne elf_exe_base_ok |
||
3702 | lods word [esi] |
||
3703 | cmp ah,'(' |
||
3704 | jne invalid_argument |
||
3705 | cmp byte [esi],'.' |
||
3706 | je invalid_value |
||
3707 | push edx |
||
3708 | call get_dword_value |
||
3709 | cmp [value_type],0 |
||
3710 | jne invalid_use_of_symbol |
||
3711 | mov [image_base],eax |
||
3712 | pop edx |
||
3713 | elf_exe_base_ok: |
||
3714 | mov byte [edx+2Ah],20h |
||
3715 | mov ebx,edi |
||
3716 | mov ecx,20h shr 2 |
||
3717 | cmp [current_pass],0 |
||
3718 | je init_elf_segments |
||
3719 | imul ecx,[number_of_sections] |
||
3720 | init_elf_segments: |
||
3721 | xor eax,eax |
||
3722 | rep stos dword [edi] |
||
3723 | and [number_of_sections],0 |
||
3724 | mov byte [ebx],1 |
||
3725 | mov word [ebx+1Ch],1000h |
||
3726 | mov byte [ebx+18h],111b |
||
3727 | mov ebp,[image_base] |
||
3728 | and dword [ebx+4],0 |
||
3729 | mov [ebx+8],ebp |
||
3730 | mov [ebx+0Ch],ebp |
||
3731 | mov eax,edi |
||
3732 | sub eax,[code_start] |
||
3733 | add eax,ebp |
||
3734 | mov [edx+18h],eax |
||
3735 | and [image_base_high],0 |
||
3736 | elf_exe_addressing_setup: |
||
3737 | call init_addressing_space |
||
3738 | call setup_elf_exe_labels_type |
||
3739 | mov eax,[code_start] |
||
3740 | xor edx,edx |
||
3741 | xor cl,cl |
||
3742 | sub eax,[image_base] |
||
3743 | sbb edx,[image_base_high] |
||
3744 | sbb cl,0 |
||
3745 | mov [ebx],eax |
||
3746 | mov [ebx+4],edx |
||
3747 | mov [ebx+8],cl |
||
3748 | mov [symbols_stream],edi |
||
3749 | jmp format_defined |
||
3750 | format_elf64_exe: |
||
3751 | add esi,2 |
||
3752 | or [format_flags],1 |
||
3753 | cmp byte [esi],'(' |
||
3754 | jne elf64_exe_brand_ok |
||
3755 | inc esi |
||
3756 | cmp byte [esi],'.' |
||
3757 | je invalid_value |
||
3758 | push edx |
||
3759 | call get_byte_value |
||
3760 | cmp [value_type],0 |
||
3761 | jne invalid_use_of_symbol |
||
3762 | pop edx |
||
3763 | mov [edx+7],al |
||
3764 | elf64_exe_brand_ok: |
||
3765 | mov [image_base],400000h |
||
3766 | and [image_base_high],0 |
||
3767 | cmp byte [esi],80h |
||
3768 | jne elf64_exe_base_ok |
||
3769 | lods word [esi] |
||
3770 | cmp ah,'(' |
||
3771 | jne invalid_argument |
||
3772 | cmp byte [esi],'.' |
||
3773 | je invalid_value |
||
3774 | push edx |
||
3775 | call get_qword_value |
||
3776 | cmp [value_type],0 |
||
3777 | jne invalid_use_of_symbol |
||
3778 | mov [image_base],eax |
||
3779 | mov [image_base_high],edx |
||
3780 | pop edx |
||
3781 | elf64_exe_base_ok: |
||
3782 | mov byte [edx+36h],38h |
||
3783 | mov ebx,edi |
||
3784 | mov ecx,38h shr 2 |
||
3785 | cmp [current_pass],0 |
||
3786 | je init_elf64_segments |
||
3787 | imul ecx,[number_of_sections] |
||
3788 | init_elf64_segments: |
||
3789 | xor eax,eax |
||
3790 | rep stos dword [edi] |
||
3791 | and [number_of_sections],0 |
||
3792 | mov byte [ebx],1 |
||
3793 | mov word [ebx+30h],1000h |
||
3794 | mov byte [ebx+4],111b |
||
3795 | mov ebp,[image_base] |
||
3796 | mov ecx,[image_base_high] |
||
3797 | and dword [ebx+8],0 |
||
3798 | mov [ebx+10h],ebp |
||
3799 | mov [ebx+10h+4],ecx |
||
3800 | mov [ebx+18h],ebp |
||
3801 | mov [ebx+18h+4],ecx |
||
3802 | mov eax,edi |
||
3803 | sub eax,[code_start] |
||
3804 | add eax,ebp |
||
3805 | adc ecx,0 |
||
3806 | mov [edx+18h],eax |
||
3807 | mov [edx+18h+4],ecx |
||
7859 | leency | 3808 | jmp elf_exe_addressing_setup |
7836 | leency | 3809 | setup_elf_exe_labels_type: |
3810 | mov eax,[code_start] |
||
3811 | cmp byte [eax+10h],3 |
||
3812 | jne elf_exe_labels_type_ok |
||
3813 | mov byte [ebx+9],2 |
||
3814 | test [format_flags],8 |
||
3815 | jz elf_exe_labels_type_ok |
||
3816 | mov byte [ebx+9],4 |
||
3817 | elf_exe_labels_type_ok: |
||
3818 | ret |
||
3819 | elf_entry: |
||
3820 | lods byte [esi] |
||
3821 | cmp al,'(' |
||
3822 | jne invalid_argument |
||
3823 | cmp byte [esi],'.' |
||
3824 | je invalid_value |
||
3825 | test [format_flags],8 |
||
3826 | jnz elf64_entry |
||
3827 | call get_dword_value |
||
3828 | mov edx,[code_start] |
||
3829 | mov [edx+18h],eax |
||
3830 | jmp instruction_assembled |
||
3831 | elf64_entry: |
||
3832 | call get_qword_value |
||
3833 | mov ebx,[code_start] |
||
3834 | mov [ebx+18h],eax |
||
3835 | mov [ebx+1Ch],edx |
||
3836 | jmp instruction_assembled |
||
3837 | elf_segment: |
||
3838 | bt [format_flags],0 |
||
3839 | jnc illegal_instruction |
||
3840 | test [format_flags],8 |
||
3841 | jnz elf64_segment |
||
3842 | call close_elf_segment |
||
3843 | push eax |
||
3844 | call create_addressing_space |
||
3845 | call setup_elf_exe_labels_type |
||
3846 | mov ebp,ebx |
||
3847 | mov ebx,[number_of_sections] |
||
3848 | shl ebx,5 |
||
3849 | add ebx,[code_start] |
||
3850 | add ebx,34h |
||
3851 | cmp ebx,[symbols_stream] |
||
3852 | jb new_elf_segment |
||
3853 | mov ebx,[symbols_stream] |
||
3854 | sub ebx,20h |
||
3855 | or [next_pass_needed],-1 |
||
3856 | new_elf_segment: |
||
3857 | mov byte [ebx],1 |
||
3858 | and dword [ebx+18h],0 |
||
3859 | mov word [ebx+1Ch],1000h |
||
3860 | elf_segment_flags: |
||
3861 | cmp byte [esi],1Eh |
||
3862 | je elf_segment_type |
||
3863 | cmp byte [esi],19h |
||
3864 | jne elf_segment_flags_ok |
||
3865 | lods word [esi] |
||
3866 | sub ah,28 |
||
3867 | jbe invalid_argument |
||
3868 | cmp ah,1 |
||
3869 | je mark_elf_segment_flag |
||
3870 | cmp ah,3 |
||
3871 | ja invalid_argument |
||
3872 | xor ah,1 |
||
3873 | cmp ah,2 |
||
3874 | je mark_elf_segment_flag |
||
3875 | inc ah |
||
3876 | mark_elf_segment_flag: |
||
3877 | test [ebx+18h],ah |
||
3878 | jnz setting_already_specified |
||
3879 | or [ebx+18h],ah |
||
3880 | jmp elf_segment_flags |
||
3881 | elf_segment_type: |
||
3882 | cmp byte [ebx],1 |
||
3883 | jne setting_already_specified |
||
3884 | lods word [esi] |
||
3885 | mov ecx,[number_of_sections] |
||
3886 | jecxz elf_segment_type_ok |
||
3887 | mov edx,[code_start] |
||
3888 | add edx,34h |
||
3889 | scan_elf_segment_types: |
||
3890 | cmp edx,[symbols_stream] |
||
3891 | jae elf_segment_type_ok |
||
3892 | cmp [edx],ah |
||
3893 | je data_already_defined |
||
3894 | add edx,20h |
||
3895 | loop scan_elf_segment_types |
||
3896 | elf_segment_type_ok: |
||
3897 | mov [ebx],ah |
||
3898 | mov word [ebx+1Ch],1 |
||
3899 | cmp ah,50h |
||
3900 | jb elf_segment_flags |
||
3901 | or dword [ebx],6474E500h |
||
3902 | jmp elf_segment_flags |
||
3903 | elf_segment_flags_ok: |
||
3904 | pop edx |
||
3905 | cmp byte [ebx],1 |
||
3906 | jne no_elf_segment_merging |
||
3907 | cmp [merge_segment],0 |
||
3908 | jne merge_elf_segment |
||
3909 | no_elf_segment_merging: |
||
3910 | mov eax,edi |
||
3911 | sub eax,[code_start] |
||
3912 | mov [ebx+4],eax |
||
3913 | and eax,0FFFh |
||
3914 | add eax,edx |
||
3915 | mov [ebx+8],eax |
||
3916 | mov [ebx+0Ch],eax |
||
3917 | xor edx,edx |
||
3918 | elf_segment_addressing_setup: |
||
3919 | xor cl,cl |
||
3920 | not eax |
||
3921 | not edx |
||
3922 | not cl |
||
3923 | add eax,1 |
||
3924 | adc edx,0 |
||
3925 | adc cl,0 |
||
3926 | add eax,edi |
||
3927 | adc edx,0 |
||
3928 | adc cl,0 |
||
3929 | mov [ds:ebp],eax |
||
3930 | mov [ds:ebp+4],edx |
||
3931 | mov [ds:ebp+8],cl |
||
3932 | inc [number_of_sections] |
||
3933 | jmp instruction_assembled |
||
3934 | merge_elf_segment: |
||
3935 | xor ecx,ecx |
||
3936 | xchg ecx,[merge_segment] |
||
3937 | cmp ecx,-1 |
||
3938 | je merge_elf_header |
||
3939 | mov eax,[ecx+8] |
||
3940 | mov ecx,[ecx+4] |
||
3941 | elf_segment_separated_base: |
||
3942 | mov [ebx+8],eax |
||
3943 | mov [ebx+0Ch],eax |
||
3944 | mov [ebx+4],ecx |
||
3945 | sub eax,ecx |
||
3946 | add eax,edi |
||
3947 | sub eax,[code_start] |
||
3948 | xor edx,edx |
||
3949 | jmp elf_segment_addressing_setup |
||
3950 | merge_elf_header: |
||
3951 | mov eax,[image_base] |
||
3952 | xor ecx,ecx |
||
3953 | jmp elf_segment_separated_base |
||
3954 | close_elf_segment: |
||
3955 | cmp [number_of_sections],0 |
||
3956 | jne finish_elf_segment |
||
3957 | cmp edi,[symbols_stream] |
||
3958 | jne first_elf_segment_ok |
||
3959 | or [merge_segment],-1 |
||
3960 | mov eax,[image_base] |
||
3961 | ret |
||
3962 | first_elf_segment_ok: |
||
3963 | and [merge_segment],0 |
||
3964 | inc [number_of_sections] |
||
3965 | finish_elf_segment: |
||
3966 | mov ebx,[number_of_sections] |
||
3967 | dec ebx |
||
3968 | shl ebx,5 |
||
3969 | add ebx,[code_start] |
||
3970 | add ebx,34h |
||
3971 | mov eax,edi |
||
3972 | sub eax,[code_start] |
||
3973 | sub eax,[ebx+4] |
||
3974 | mov edx,edi |
||
3975 | cmp edi,[undefined_data_end] |
||
3976 | jne elf_segment_size_ok |
||
3977 | cmp byte [ebx],1 |
||
3978 | jne elf_segment_size_ok |
||
3979 | mov edi,[undefined_data_start] |
||
3980 | elf_segment_size_ok: |
||
3981 | mov [ebx+14h],eax |
||
3982 | add eax,edi |
||
3983 | sub eax,edx |
||
3984 | mov [ebx+10h],eax |
||
3985 | and [undefined_data_end],0 |
||
3986 | mov eax,[ebx+8] |
||
3987 | cmp byte [ebx],1 |
||
3988 | je elf_segment_position_move_and_align |
||
3989 | cmp [merge_segment],0 |
||
3990 | jne elf_segment_position_move |
||
3991 | cmp byte [ebx],4 |
||
3992 | je elf_segment_position_ok |
||
3993 | cmp byte [ebx],51h |
||
3994 | je elf_segment_position_ok |
||
3995 | mov [merge_segment],ebx |
||
3996 | elf_segment_position_move: |
||
3997 | add eax,[ebx+14h] |
||
3998 | jmp elf_segment_position_ok |
||
3999 | elf_segment_position_move_and_align: |
||
4000 | add eax,[ebx+14h] |
||
4001 | add eax,0FFFh |
||
4002 | elf_segment_position_ok: |
||
4003 | and eax,not 0FFFh |
||
4004 | ret |
||
4005 | elf64_segment: |
||
4006 | call close_elf64_segment |
||
4007 | push eax edx |
||
4008 | call create_addressing_space |
||
4009 | call setup_elf_exe_labels_type |
||
4010 | mov ebp,ebx |
||
4011 | mov ebx,[number_of_sections] |
||
4012 | imul ebx,38h |
||
4013 | add ebx,[code_start] |
||
4014 | add ebx,40h |
||
4015 | cmp ebx,[symbols_stream] |
||
4016 | jb new_elf64_segment |
||
4017 | or [next_pass_needed],-1 |
||
4018 | new_elf64_segment: |
||
4019 | mov byte [ebx],1 |
||
4020 | and dword [ebx+4],0 |
||
4021 | mov word [ebx+30h],1000h |
||
4022 | elf64_segment_flags: |
||
4023 | cmp byte [esi],1Eh |
||
4024 | je elf64_segment_type |
||
4025 | cmp byte [esi],19h |
||
4026 | jne elf64_segment_flags_ok |
||
4027 | lods word [esi] |
||
4028 | sub ah,28 |
||
4029 | jbe invalid_argument |
||
4030 | cmp ah,1 |
||
4031 | je mark_elf64_segment_flag |
||
4032 | cmp ah,3 |
||
4033 | ja invalid_argument |
||
4034 | xor ah,1 |
||
4035 | cmp ah,2 |
||
4036 | je mark_elf64_segment_flag |
||
4037 | inc ah |
||
4038 | mark_elf64_segment_flag: |
||
4039 | test [ebx+4],ah |
||
4040 | jnz setting_already_specified |
||
4041 | or [ebx+4],ah |
||
4042 | jmp elf64_segment_flags |
||
4043 | elf64_segment_type: |
||
4044 | cmp byte [ebx],1 |
||
4045 | jne setting_already_specified |
||
4046 | lods word [esi] |
||
4047 | mov ecx,[number_of_sections] |
||
4048 | jecxz elf64_segment_type_ok |
||
4049 | mov edx,[code_start] |
||
4050 | add edx,40h |
||
4051 | scan_elf64_segment_types: |
||
4052 | cmp edx,[symbols_stream] |
||
4053 | jae elf64_segment_type_ok |
||
4054 | cmp [edx],ah |
||
4055 | je data_already_defined |
||
4056 | add edx,38h |
||
4057 | loop scan_elf64_segment_types |
||
4058 | elf64_segment_type_ok: |
||
4059 | mov [ebx],ah |
||
4060 | mov word [ebx+30h],1 |
||
4061 | cmp ah,50h |
||
4062 | jb elf64_segment_flags |
||
4063 | or dword [ebx],6474E500h |
||
4064 | jmp elf64_segment_flags |
||
4065 | elf64_segment_flags_ok: |
||
4066 | pop edx eax |
||
4067 | cmp byte [ebx],1 |
||
4068 | jne no_elf64_segment_merging |
||
4069 | cmp [merge_segment],0 |
||
4070 | jne merge_elf64_segment |
||
4071 | no_elf64_segment_merging: |
||
4072 | mov ecx,edi |
||
4073 | sub ecx,[code_start] |
||
4074 | mov [ebx+8],ecx |
||
4075 | and ecx,0FFFh |
||
4076 | add eax,ecx |
||
4077 | adc edx,0 |
||
4078 | mov [ebx+10h],eax |
||
4079 | mov [ebx+10h+4],edx |
||
4080 | mov [ebx+18h],eax |
||
4081 | mov [ebx+18h+4],edx |
||
4082 | jmp elf_segment_addressing_setup |
||
4083 | merge_elf64_segment: |
||
4084 | xor ecx,ecx |
||
4085 | xchg ecx,[merge_segment] |
||
4086 | cmp ecx,-1 |
||
4087 | je merge_elf64_header |
||
4088 | mov eax,[ecx+10h] |
||
4089 | mov edx,[ecx+10h+4] |
||
4090 | mov ecx,[ecx+8] |
||
4091 | elf64_segment_separated_base: |
||
4092 | mov [ebx+10h],eax |
||
4093 | mov [ebx+10h+4],edx |
||
4094 | mov [ebx+18h],eax |
||
4095 | mov [ebx+18h+4],edx |
||
4096 | mov [ebx+8],ecx |
||
4097 | neg ecx |
||
4098 | add ecx,edi |
||
4099 | sub ecx,[code_start] |
||
4100 | add eax,ecx |
||
4101 | adc edx,0 |
||
4102 | jmp elf_segment_addressing_setup |
||
4103 | merge_elf64_header: |
||
4104 | mov eax,[image_base] |
||
4105 | mov edx,[image_base_high] |
||
4106 | xor ecx,ecx |
||
4107 | jmp elf64_segment_separated_base |
||
4108 | close_elf64_segment: |
||
4109 | cmp [number_of_sections],0 |
||
4110 | jne finish_elf64_segment |
||
4111 | cmp edi,[symbols_stream] |
||
4112 | jne first_elf64_segment_ok |
||
4113 | or [merge_segment],-1 |
||
4114 | mov eax,[image_base] |
||
4115 | mov edx,[image_base_high] |
||
4116 | ret |
||
4117 | first_elf64_segment_ok: |
||
4118 | and [merge_segment],0 |
||
4119 | inc [number_of_sections] |
||
4120 | finish_elf64_segment: |
||
4121 | mov ebx,[number_of_sections] |
||
4122 | dec ebx |
||
4123 | imul ebx,38h |
||
4124 | add ebx,[code_start] |
||
4125 | add ebx,40h |
||
4126 | mov eax,edi |
||
4127 | sub eax,[code_start] |
||
4128 | sub eax,[ebx+8] |
||
4129 | mov edx,edi |
||
4130 | cmp edi,[undefined_data_end] |
||
4131 | jne elf64_segment_size_ok |
||
4132 | cmp byte [ebx],1 |
||
4133 | jne elf64_segment_size_ok |
||
4134 | mov edi,[undefined_data_start] |
||
4135 | elf64_segment_size_ok: |
||
4136 | mov [ebx+28h],eax |
||
4137 | add eax,edi |
||
4138 | sub eax,edx |
||
4139 | mov [ebx+20h],eax |
||
4140 | and [undefined_data_end],0 |
||
4141 | mov eax,[ebx+10h] |
||
4142 | mov edx,[ebx+10h+4] |
||
4143 | cmp byte [ebx],1 |
||
4144 | je elf64_segment_position_move_and_align |
||
4145 | cmp [merge_segment],0 |
||
4146 | jne elf64_segment_position_move |
||
4147 | cmp byte [ebx],4 |
||
4148 | je elf64_segment_position_ok |
||
4149 | cmp byte [ebx],51h |
||
4150 | je elf64_segment_position_ok |
||
4151 | mov [merge_segment],ebx |
||
4152 | elf64_segment_position_move: |
||
4153 | add eax,[ebx+28h] |
||
4154 | adc edx,0 |
||
4155 | jmp elf64_segment_position_ok |
||
4156 | elf64_segment_position_move_and_align: |
||
4157 | add eax,[ebx+28h] |
||
4158 | adc edx,0 |
||
4159 | add eax,0FFFh |
||
4160 | adc edx,0 |
||
4161 | elf64_segment_position_ok: |
||
4162 | and eax,not 0FFFh |
||
4163 | ret |
||
4164 | close_elf_exe: |
||
4165 | test [format_flags],8 |
||
4166 | jnz close_elf64_exe |
||
4167 | call close_elf_segment |
||
4168 | mov edx,[code_start] |
||
4169 | mov eax,[number_of_sections] |
||
4170 | mov byte [edx+1Ch],34h |
||
4171 | mov [edx+2Ch],ax |
||
4172 | shl eax,5 |
||
4173 | add eax,edx |
||
4174 | add eax,34h |
||
4175 | cmp eax,[symbols_stream] |
||
4176 | je elf_exe_ok |
||
4177 | or [next_pass_needed],-1 |
||
4178 | elf_exe_ok: |
||
4179 | ret |
||
4180 | close_elf64_exe: |
||
4181 | call close_elf64_segment |
||
4182 | mov edx,[code_start] |
||
4183 | mov eax,[number_of_sections] |
||
4184 | mov byte [edx+20h],40h |
||
4185 | mov [edx+38h],ax |
||
4186 | imul eax,38h |
||
4187 | add eax,edx |
||
4188 | add eax,40h |
||
4189 | cmp eax,[symbols_stream] |
||
4190 | je elf64_exe_ok |
||
4191 | or [next_pass_needed],-1 |
||
4192 | elf64_exe_ok: |
||
4193 | ret |
||
4194 |