Rev 1053 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
205 | heavyiron | 1 | |
31 | halyavin | 2 | ; Copyright (c) 1999-2009, Tomasz Grysztar. |
1039 | heavyiron | 3 | ; All rights reserved. |
31 | halyavin | 4 | |
5 | |||
6 | mov [current_offset],edi |
||
992 | heavyiron | 7 | cmp [output_file],0 |
157 | heavyiron | 8 | jne output_path_ok |
9 | mov esi,[input_file] |
||
10 | mov edi,[free_additional_memory] |
||
11 | copy_output_path: |
||
31 | halyavin | 12 | lods byte [esi] |
157 | heavyiron | 13 | cmp edi,[structures_buffer] |
14 | jae out_of_memory |
||
15 | stos byte [edi] |
||
16 | or al,al |
||
17 | jnz copy_output_path |
||
18 | dec edi |
||
19 | mov eax,edi |
||
20 | find_extension: |
||
31 | halyavin | 21 | dec eax |
157 | heavyiron | 22 | cmp eax,[free_additional_memory] |
23 | jb extension_found |
||
24 | cmp byte [eax],'\' |
||
25 | je extension_found |
||
26 | cmp byte [eax],'/' |
||
27 | je extension_found |
||
28 | cmp byte [eax],'.' |
||
29 | jne find_extension |
||
30 | mov edi,eax |
||
31 | extension_found: |
||
31 | halyavin | 32 | lea eax,[edi+9] |
157 | heavyiron | 33 | cmp eax,[structures_buffer] |
34 | jae out_of_memory |
||
35 | cmp [file_extension],0 |
||
607 | heavyiron | 36 | jne extension_specified |
37 | cmp [output_format],2 |
||
157 | heavyiron | 38 | je exe_extension |
39 | jb bin_extension |
||
40 | cmp [output_format],4 |
||
41 | je obj_extension |
||
42 | cmp [output_format],5 |
||
43 | je o_extension |
||
44 | cmp [output_format],3 |
||
45 | jne no_extension |
||
46 | cmp [subsystem],1 |
||
47 | je sys_extension |
||
48 | cmp [subsystem],10 |
||
1054 | heavyiron | 49 | jae efi_extension |
50 | bt [format_flags],8 |
||
157 | heavyiron | 51 | jnc exe_extension |
52 | mov eax,'.dll' |
||
53 | jmp make_extension |
||
54 | sys_extension: |
||
31 | halyavin | 55 | mov eax,'.sys' |
157 | heavyiron | 56 | jmp make_extension |
57 | efi_extension: |
||
1054 | heavyiron | 58 | mov eax,'.efi' |
59 | jmp make_extension |
||
60 | bin_extension: |
||
31 | halyavin | 61 | mov eax,'.bin' |
157 | heavyiron | 62 | bt [format_flags],0 |
63 | jnc make_extension |
||
64 | mov eax,'.com' |
||
65 | jmp make_extension |
||
66 | obj_extension: |
||
31 | halyavin | 67 | mov eax,'.obj' |
157 | heavyiron | 68 | jmp make_extension |
69 | o_extension: |
||
31 | halyavin | 70 | mov eax,'.o' |
157 | heavyiron | 71 | bt [format_flags],0 |
72 | jnc make_extension |
||
73 | no_extension: |
||
31 | halyavin | 74 | xor eax,eax |
157 | heavyiron | 75 | jmp make_extension |
76 | exe_extension: |
||
31 | halyavin | 77 | mov eax,'.exe' |
157 | heavyiron | 78 | make_extension: |
31 | halyavin | 79 | xchg eax,[edi] |
157 | heavyiron | 80 | scas dword [edi] |
81 | mov byte [edi],0 |
||
82 | scas byte [edi] |
||
83 | mov esi,edi |
||
84 | stos dword [edi] |
||
85 | sub edi,9 |
||
86 | xor eax,eax |
||
87 | mov ebx,characters |
||
88 | adapt_case: |
||
31 | halyavin | 89 | mov al,[esi] |
157 | heavyiron | 90 | or al,al |
91 | jz adapt_next |
||
92 | xlat byte [ebx] |
||
93 | cmp al,[esi] |
||
94 | je adapt_ok |
||
95 | sub byte [edi],20h |
||
96 | adapt_ok: |
||
31 | halyavin | 97 | inc esi |
157 | heavyiron | 98 | adapt_next: |
31 | halyavin | 99 | inc edi |
157 | heavyiron | 100 | cmp byte [edi],0 |
101 | jne adapt_case |
||
102 | jmp extension_ok |
||
607 | heavyiron | 103 | extension_specified: |
104 | mov al,'.' |
||
105 | stos byte [edi] |
||
106 | mov esi,[file_extension] |
||
107 | copy_extension: |
||
108 | lods byte [esi] |
||
109 | stos byte [edi] |
||
110 | test al,al |
||
111 | jnz copy_extension |
||
112 | dec edi |
||
113 | extension_ok: |
||
114 | mov esi,edi |
||
157 | heavyiron | 115 | lea ecx,[esi+1] |
116 | sub ecx,[free_additional_memory] |
||
117 | mov edi,[structures_buffer] |
||
118 | dec edi |
||
119 | std |
||
120 | rep movs byte [edi],[esi] |
||
121 | cld |
||
122 | inc edi |
||
123 | mov [structures_buffer],edi |
||
124 | mov [output_file],edi |
||
125 | output_path_ok: |
||
31 | halyavin | 126 | cmp [symbols_file],0 |
992 | heavyiron | 127 | je labels_table_ok |
128 | mov ecx,[memory_end] |
||
129 | sub ecx,[labels_list] |
||
130 | mov edi,[display_buffer] |
||
131 | sub edi,8 |
||
132 | mov [edi],ecx |
||
133 | or dword [edi+4],-1 |
||
134 | sub edi,ecx |
||
135 | cmp edi,[esp] |
||
136 | jbe out_of_memory |
||
137 | mov [display_buffer],edi |
||
138 | mov esi,[memory_end] |
||
139 | copy_labels: |
||
140 | sub esi,32 |
||
141 | cmp esi,[labels_list] |
||
142 | jb labels_table_ok |
||
143 | mov ecx,32 shr 2 |
||
144 | rep movs dword [edi],[esi] |
||
145 | sub esi,32 |
||
146 | jmp copy_labels |
||
147 | labels_table_ok: |
||
148 | mov edi,[current_offset] |
||
149 | cmp [output_format],4 |
||
157 | heavyiron | 150 | je coff_formatter |
151 | cmp [output_format],5 |
||
152 | jne common_formatter |
||
153 | bt [format_flags],0 |
||
154 | jnc elf_formatter |
||
155 | common_formatter: |
||
31 | halyavin | 156 | mov eax,edi |
157 | heavyiron | 157 | sub eax,[code_start] |
158 | mov [real_code_size],eax |
||
159 | cmp edi,[undefined_data_end] |
||
160 | jne calculate_code_size |
||
161 | mov edi,[undefined_data_start] |
||
162 | calculate_code_size: |
||
31 | halyavin | 163 | mov [current_offset],edi |
992 | heavyiron | 164 | sub edi,[code_start] |
157 | heavyiron | 165 | mov [code_size],edi |
166 | mov [written_size],0 |
||
167 | mov edx,[output_file] |
||
168 | call create |
||
169 | jc write_failed |
||
170 | cmp [output_format],3 |
||
171 | jne stub_written |
||
172 | mov edx,[code_start] |
||
173 | mov ecx,[stub_size] |
||
174 | sub edx,ecx |
||
175 | add [written_size],ecx |
||
176 | call write |
||
177 | stub_written: |
||
31 | halyavin | 178 | cmp [output_format],2 |
157 | heavyiron | 179 | jne write_output |
180 | call write_mz_header |
||
181 | write_output: |
||
31 | halyavin | 182 | call write_code |
157 | heavyiron | 183 | output_written: |
31 | halyavin | 184 | call close |
157 | heavyiron | 185 | cmp [symbols_file],0 |
992 | heavyiron | 186 | jne dump_symbols |
187 | ret |
||
157 | heavyiron | 188 | write_code: |
31 | halyavin | 189 | mov eax,[written_size] |
157 | heavyiron | 190 | mov [headers_size],eax |
191 | mov edx,[code_start] |
||
192 | mov ecx,[code_size] |
||
193 | add [written_size],ecx |
||
194 | lea eax,[edx+ecx] |
||
992 | heavyiron | 195 | call write |
157 | heavyiron | 196 | jc write_failed |
197 | ret |
||
198 | format_directive: |
||
31 | halyavin | 199 | cmp edi,[code_start] |
157 | heavyiron | 200 | jne unexpected_instruction |
201 | cmp [virtual_data],0 |
||
202 | jne unexpected_instruction |
||
203 | cmp [output_format],0 |
||
204 | jne unexpected_instruction |
||
205 | lods byte [esi] |
||
206 | cmp al,17h |
||
207 | je format_prefix |
||
208 | cmp al,18h |
||
209 | jne invalid_argument |
||
210 | lods byte [esi] |
||
211 | select_format: |
||
31 | halyavin | 212 | mov dl,al |
157 | heavyiron | 213 | shr al,4 |
214 | mov [output_format],al |
||
215 | and edx,0Fh |
||
216 | or [format_flags],edx |
||
217 | cmp al,2 |
||
218 | je format_mz |
||
219 | cmp al,3 |
||
220 | je format_pe |
||
221 | cmp al,4 |
||
222 | je format_coff |
||
223 | cmp al,5 |
||
224 | je format_elf |
||
225 | format_defined: |
||
607 | heavyiron | 226 | cmp byte [esi],86h |
227 | jne instruction_assembled |
||
228 | cmp word [esi+1],'(' |
||
229 | jne invalid_argument |
||
230 | mov eax,[esi+3] |
||
231 | add esi,3+4 |
||
232 | mov [file_extension],esi |
||
233 | lea esi,[esi+eax+1] |
||
234 | jmp instruction_assembled |
||
157 | heavyiron | 235 | format_prefix: |
31 | halyavin | 236 | lods byte [esi] |
157 | heavyiron | 237 | mov ah,al |
238 | lods byte [esi] |
||
239 | cmp al,18h |
||
240 | jne invalid_argument |
||
241 | lods byte [esi] |
||
242 | mov edx,eax |
||
243 | shr dl,4 |
||
244 | shr dh,4 |
||
245 | cmp dl,dh |
||
246 | jne invalid_argument |
||
247 | or al,ah |
||
248 | jmp select_format |
||
249 | entry_directive: |
||
31 | halyavin | 250 | bts [format_flags],10h |
157 | heavyiron | 251 | jc setting_already_specified |
252 | mov al,[output_format] |
||
253 | cmp al,2 |
||
254 | je mz_entry |
||
255 | cmp al,3 |
||
256 | je pe_entry |
||
257 | cmp al,5 |
||
258 | jne illegal_instruction |
||
259 | bt [format_flags],0 |
||
260 | jc elf_entry |
||
261 | jmp illegal_instruction |
||
262 | stack_directive: |
||
31 | halyavin | 263 | bts [format_flags],11h |
157 | heavyiron | 264 | jc setting_already_specified |
265 | mov al,[output_format] |
||
266 | cmp al,2 |
||
267 | je mz_stack |
||
268 | cmp al,3 |
||
269 | je pe_stack |
||
270 | jmp illegal_instruction |
||
271 | heap_directive: |
||
31 | halyavin | 272 | bts [format_flags],12h |
157 | heavyiron | 273 | jc setting_already_specified |
274 | mov al,[output_format] |
||
275 | cmp al,2 |
||
276 | je mz_heap |
||
277 | cmp al,3 |
||
278 | je pe_heap |
||
279 | jmp illegal_instruction |
||
280 | segment_directive: |
||
109 | heavyiron | 281 | cmp [virtual_data],0 |
157 | heavyiron | 282 | jne illegal_instruction |
283 | mov al,[output_format] |
||
284 | cmp al,2 |
||
285 | je mz_segment |
||
286 | cmp al,5 |
||
287 | je elf_segment |
||
288 | jmp illegal_instruction |
||
289 | section_directive: |
||
31 | halyavin | 290 | cmp [virtual_data],0 |
157 | heavyiron | 291 | jne illegal_instruction |
292 | mov al,[output_format] |
||
293 | cmp al,3 |
||
294 | je pe_section |
||
295 | cmp al,4 |
||
296 | je coff_section |
||
297 | cmp al,5 |
||
298 | je elf_section |
||
299 | jmp illegal_instruction |
||
300 | public_directive: |
||
31 | halyavin | 301 | mov al,[output_format] |
157 | heavyiron | 302 | cmp al,4 |
303 | je public_allowed |
||
304 | cmp al,5 |
||
305 | jne illegal_instruction |
||
306 | bt [format_flags],0 |
||
307 | jc illegal_instruction |
||
308 | public_allowed: |
||
31 | halyavin | 309 | mov [base_code],0C0h |
624 | heavyiron | 310 | lods byte [esi] |
157 | heavyiron | 311 | cmp al,2 |
312 | je public_label |
||
624 | heavyiron | 313 | cmp al,1Dh |
314 | jne invalid_argument |
||
157 | heavyiron | 315 | lods byte [esi] |
624 | heavyiron | 316 | and al,7 |
317 | add [base_code],al |
||
318 | lods byte [esi] |
||
319 | cmp al,2 |
||
320 | jne invalid_argument |
||
321 | public_label: |
||
322 | lods dword [esi] |
||
157 | heavyiron | 323 | cmp eax,0Fh |
324 | jb invalid_use_of_symbol |
||
325 | je reserved_word_used_as_symbol |
||
326 | mov dx,[current_pass] |
||
327 | mov [eax+18],dx |
||
328 | or byte [eax+8],8 |
||
329 | inc esi |
||
330 | mov ebx,[free_additional_memory] |
||
331 | lea edx,[ebx+10h] |
||
332 | cmp edx,[structures_buffer] |
||
333 | jae out_of_memory |
||
334 | mov [free_additional_memory],edx |
||
335 | mov [ebx+8],eax |
||
336 | mov eax,[current_line] |
||
337 | mov [ebx+0Ch],eax |
||
338 | lods byte [esi] |
||
339 | cmp al,86h |
||
340 | jne invalid_argument |
||
341 | lods word [esi] |
||
342 | cmp ax,'(' |
||
343 | jne invalid_argument |
||
344 | mov [ebx+4],esi |
||
345 | lods dword [esi] |
||
346 | lea esi,[esi+eax+1] |
||
347 | mov al,[base_code] |
||
624 | heavyiron | 348 | mov [ebx],al |
349 | jmp instruction_assembled |
||
157 | heavyiron | 350 | extrn_directive: |
31 | halyavin | 351 | mov al,[output_format] |
157 | heavyiron | 352 | cmp al,4 |
353 | je extrn_allowed |
||
354 | cmp al,5 |
||
355 | jne illegal_instruction |
||
356 | bt [format_flags],0 |
||
357 | jc illegal_instruction |
||
358 | extrn_allowed: |
||
31 | halyavin | 359 | lods word [esi] |
157 | heavyiron | 360 | cmp ax,'(' |
361 | jne invalid_argument |
||
362 | mov ebx,esi |
||
363 | lods dword [esi] |
||
364 | lea esi,[esi+eax+1] |
||
365 | mov edx,[free_additional_memory] |
||
366 | lea eax,[edx+0Ch] |
||
367 | cmp eax,[structures_buffer] |
||
368 | jae out_of_memory |
||
369 | mov [free_additional_memory],eax |
||
370 | mov byte [edx],80h |
||
624 | heavyiron | 371 | mov [edx+4],ebx |
157 | heavyiron | 372 | lods byte [esi] |
373 | cmp al,86h |
||
374 | jne invalid_argument |
||
375 | lods byte [esi] |
||
376 | cmp al,2 |
||
377 | jne invalid_argument |
||
378 | lods dword [esi] |
||
379 | cmp eax,0Fh |
||
380 | jb invalid_use_of_symbol |
||
381 | je reserved_word_used_as_symbol |
||
382 | inc esi |
||
383 | mov ebx,eax |
||
384 | xor ah,ah |
||
385 | lods byte [esi] |
||
386 | cmp al,':' |
||
387 | je get_extrn_size |
||
388 | dec esi |
||
389 | cmp al,11h |
||
390 | jne extrn_size_ok |
||
391 | get_extrn_size: |
||
31 | halyavin | 392 | lods word [esi] |
157 | heavyiron | 393 | cmp al,11h |
394 | jne invalid_argument |
||
395 | extrn_size_ok: |
||
31 | halyavin | 396 | mov [address_symbol],edx |
157 | heavyiron | 397 | movzx ecx,ah |
398 | mov [edx+8],ecx |
||
399 | xor eax,eax |
||
400 | xor edx,edx |
||
401 | xor ebp,ebp |
||
402 | mov ch,2 |
||
403 | test [format_flags],8 |
||
404 | jz make_free_label |
||
405 | mov ch,4 |
||
406 | jmp make_free_label |
||
407 | mark_relocation: |
||
31 | halyavin | 408 | cmp [value_type],0 |
157 | heavyiron | 409 | je relocation_ok |
410 | cmp [virtual_data],0 |
||
411 | jne relocation_ok |
||
412 | cmp [output_format],2 |
||
413 | je mark_mz_relocation |
||
414 | cmp [output_format],3 |
||
415 | je mark_pe_relocation |
||
416 | cmp [output_format],4 |
||
417 | je mark_coff_relocation |
||
418 | cmp [output_format],5 |
||
419 | je mark_elf_relocation |
||
420 | relocation_ok: |
||
31 | halyavin | 421 | ret |
157 | heavyiron | 422 | close_pass: |
31 | halyavin | 423 | mov al,[output_format] |
157 | heavyiron | 424 | cmp al,3 |
425 | je close_pe |
||
426 | cmp al,4 |
||
427 | je close_coff |
||
428 | cmp al,5 |
||
429 | je close_elf |
||
430 | ret |
||
431 | |||
31 | halyavin | 432 | |
433 | mov edx,[additional_memory] |
||
157 | heavyiron | 434 | push edi |
435 | mov edi,edx |
||
436 | mov ecx,1Ch shr 2 |
||
437 | xor eax,eax |
||
438 | rep stos dword [edi] |
||
439 | mov [free_additional_memory],edi |
||
440 | pop edi |
||
441 | mov word [edx+0Ch],0FFFFh |
||
442 | mov word [edx+10h],1000h |
||
443 | mov [code_type],16 |
||
444 | jmp format_defined |
||
607 | heavyiron | 445 | mark_mz_relocation: |
31 | halyavin | 446 | push eax ebx |
157 | heavyiron | 447 | inc [number_of_relocations] |
448 | mov ebx,[free_additional_memory] |
||
449 | mov eax,edi |
||
450 | sub eax,[code_start] |
||
451 | mov [ebx],ax |
||
452 | shr eax,16 |
||
453 | shl ax,12 |
||
454 | mov [ebx+2],ax |
||
455 | cmp word [ebx],0FFFFh |
||
456 | jne mz_relocation_ok |
||
457 | inc word [ebx+2] |
||
458 | sub word [ebx],10h |
||
459 | mz_relocation_ok: |
||
31 | halyavin | 460 | add ebx,4 |
157 | heavyiron | 461 | cmp ebx,[structures_buffer] |
462 | jae out_of_memory |
||
463 | mov [free_additional_memory],ebx |
||
464 | pop ebx eax |
||
465 | ret |
||
466 | mz_segment: |
||
109 | heavyiron | 467 | lods byte [esi] |
157 | heavyiron | 468 | cmp al,2 |
469 | jne invalid_argument |
||
470 | lods dword [esi] |
||
471 | cmp eax,0Fh |
||
472 | jb invalid_use_of_symbol |
||
473 | je reserved_word_used_as_symbol |
||
474 | inc esi |
||
475 | mov ebx,eax |
||
476 | mov eax,edi |
||
477 | sub eax,[code_start] |
||
478 | mov ecx,0Fh |
||
479 | add eax,0Fh |
||
480 | and eax,1111b |
||
481 | sub ecx,eax |
||
482 | mov edx,edi |
||
483 | xor al,al |
||
484 | rep stos byte [edi] |
||
485 | mov dword [org_origin],edi |
||
486 | mov dword [org_origin+4],0 |
||
487 | mov [org_registers],0 |
||
488 | mov [org_start],edi |
||
489 | mov eax,edx |
||
490 | call undefined_data |
||
491 | mov eax,edi |
||
492 | sub eax,[code_start] |
||
493 | shr eax,4 |
||
494 | cmp eax,10000h |
||
495 | jae value_out_of_range |
||
496 | mov edx,eax |
||
497 | mov al,16 |
||
498 | cmp byte [esi],13h |
||
499 | jne segment_type_ok |
||
500 | inc esi |
||
501 | lods byte [esi] |
||
502 | segment_type_ok: |
||
31 | halyavin | 503 | mov [code_type],al |
157 | heavyiron | 504 | mov eax,edx |
505 | mov cx,0100h |
||
506 | xor edx,edx |
||
507 | xor ebp,ebp |
||
508 | mov [address_symbol],edx |
||
509 | jmp make_free_label |
||
510 | mz_entry: |
||
31 | halyavin | 511 | lods byte [esi] |
157 | heavyiron | 512 | cmp al,'(' |
513 | jne invalid_argument |
||
514 | call get_word_value |
||
515 | cmp [value_type],1 |
||
516 | je initial_cs_ok |
||
517 | cmp [error_line],0 |
||
518 | jne initial_cs_ok |
||
519 | mov eax,[current_line] |
||
520 | mov [error_line],eax |
||
521 | mov [error],invalid_address |
||
522 | initial_cs_ok: |
||
31 | halyavin | 523 | mov edx,[additional_memory] |
157 | heavyiron | 524 | mov [edx+16h],ax |
525 | lods byte [esi] |
||
526 | cmp al,':' |
||
527 | jne invalid_argument |
||
528 | lods byte [esi] |
||
529 | cmp al,'(' |
||
530 | jne invalid_argument |
||
531 | ja invalid_address |
||
532 | call get_word_value |
||
533 | cmp [value_type],0 |
||
534 | jne invalid_use_of_symbol |
||
535 | mov edx,[additional_memory] |
||
536 | mov [edx+14h],ax |
||
537 | jmp instruction_assembled |
||
538 | mz_stack: |
||
31 | halyavin | 539 | lods byte [esi] |
157 | heavyiron | 540 | cmp al,'(' |
541 | jne invalid_argument |
||
542 | call get_word_value |
||
543 | cmp byte [esi],':' |
||
544 | je stack_pointer |
||
545 | cmp ax,10h |
||
546 | jb invalid_value |
||
547 | cmp [value_type],0 |
||
548 | jne invalid_use_of_symbol |
||
549 | mov edx,[additional_memory] |
||
550 | mov [edx+10h],ax |
||
551 | jmp instruction_assembled |
||
552 | stack_pointer: |
||
31 | halyavin | 553 | cmp [value_type],1 |
157 | heavyiron | 554 | je initial_ss_ok |
555 | cmp [error_line],0 |
||
556 | jne initial_ss_ok |
||
557 | mov eax,[current_line] |
||
558 | mov [error_line],eax |
||
559 | mov [error],invalid_address |
||
560 | initial_ss_ok: |
||
31 | halyavin | 561 | mov edx,[additional_memory] |
157 | heavyiron | 562 | mov [edx+0Eh],ax |
563 | lods byte [esi] |
||
564 | cmp al,':' |
||
565 | jne invalid_argument |
||
566 | lods byte [esi] |
||
567 | cmp al,'(' |
||
568 | jne invalid_argument |
||
569 | call get_word_value |
||
570 | cmp [value_type],0 |
||
571 | jne invalid_use_of_symbol |
||
572 | mov edx,[additional_memory] |
||
573 | mov [edx+10h],ax |
||
574 | bts [format_flags],4 |
||
575 | jmp instruction_assembled |
||
576 | mz_heap: |
||
31 | halyavin | 577 | cmp [output_format],2 |
157 | heavyiron | 578 | jne illegal_instruction |
579 | lods byte [esi] |
||
580 | call get_size_operator |
||
581 | cmp ah,1 |
||
582 | je invalid_value |
||
583 | cmp ah,2 |
||
584 | ja invalid_value |
||
585 | cmp al,'(' |
||
586 | jne invalid_argument |
||
587 | call get_word_value |
||
588 | cmp [value_type],0 |
||
589 | jne invalid_use_of_symbol |
||
590 | mov edx,[additional_memory] |
||
591 | mov [edx+0Ch],ax |
||
592 | jmp instruction_assembled |
||
593 | write_mz_header: |
||
31 | halyavin | 594 | mov edx,[additional_memory] |
157 | heavyiron | 595 | bt [format_flags],4 |
596 | jc mz_stack_ok |
||
597 | mov eax,[real_code_size] |
||
598 | dec eax |
||
599 | shr eax,4 |
||
600 | inc eax |
||
601 | mov [edx+0Eh],ax |
||
602 | shl eax,4 |
||
603 | movzx ecx,word [edx+10h] |
||
604 | add eax,ecx |
||
605 | mov [real_code_size],eax |
||
606 | mz_stack_ok: |
||
31 | halyavin | 607 | mov edi,[free_additional_memory] |
157 | heavyiron | 608 | mov eax,[number_of_relocations] |
609 | shl eax,2 |
||
610 | add eax,1Ch |
||
611 | sub edi,eax |
||
612 | xchg edi,[free_additional_memory] |
||
613 | mov ecx,0Fh |
||
614 | add eax,0Fh |
||
615 | and eax,1111b |
||
616 | sub ecx,eax |
||
617 | xor al,al |
||
618 | rep stos byte [edi] |
||
619 | sub edi,[free_additional_memory] |
||
620 | mov ecx,edi |
||
621 | shr edi,4 |
||
622 | mov word [edx],'MZ' ; signature |
||
623 | mov [edx+8],di ; header size in paragraphs |
||
624 | mov eax,[number_of_relocations] |
||
625 | mov [edx+6],ax ; number of relocation entries |
||
626 | mov eax,[code_size] |
||
627 | add eax,ecx |
||
628 | mov esi,eax |
||
629 | shr esi,9 |
||
630 | and eax,1FFh |
||
631 | inc si |
||
632 | or ax,ax |
||
633 | jnz mz_size_ok |
||
634 | dec si |
||
635 | mz_size_ok: |
||
31 | halyavin | 636 | mov [edx+2],ax ; number of bytes in last page |
157 | heavyiron | 637 | mov [edx+4],si ; number of pages |
638 | mov eax,[real_code_size] |
||
639 | dec eax |
||
640 | shr eax,4 |
||
641 | inc eax |
||
642 | mov esi,[code_size] |
||
643 | dec esi |
||
644 | shr esi,4 |
||
645 | inc esi |
||
646 | sub eax,esi |
||
647 | mov [edx+0Ah],ax ; minimum memory in addition to code |
||
648 | add [edx+0Ch],ax ; maximum memory in addition to code |
||
649 | salc |
||
650 | mov ah,al |
||
651 | or [edx+0Ch],ax |
||
652 | mov word [edx+18h],1Ch ; offset of relocation table |
||
653 | add [written_size],ecx |
||
654 | call write |
||
655 | jc write_failed |
||
656 | ret |
||
657 | |||
31 | halyavin | 658 | |
659 | mov [stub_file],edx |
||
157 | heavyiron | 660 | or edx,edx |
661 | jnz stub_from_file |
||
662 | push esi |
||
663 | mov edx,edi |
||
664 | xor eax,eax |
||
665 | mov ecx,20h |
||
666 | rep stos dword [edi] |
||
667 | mov eax,40h+default_stub_end-default_stub |
||
668 | mov cx,100h+default_stub_end-default_stub |
||
669 | mov word [edx],'MZ' |
||
670 | mov word [edx+4],1 |
||
671 | mov word [edx+2],ax |
||
672 | mov word [edx+8],4 |
||
673 | mov word [edx+0Ah],10h |
||
674 | mov word [edx+0Ch],0FFFFh |
||
675 | mov word [edx+10h],cx |
||
676 | mov word [edx+3Ch],ax |
||
677 | mov word [edx+18h],40h |
||
678 | lea edi,[edx+40h] |
||
679 | mov esi,default_stub |
||
680 | mov ecx,default_stub_end-default_stub |
||
681 | rep movs byte [edi],[esi] |
||
682 | pop esi |
||
683 | jmp stub_ok |
||
684 | default_stub: |
||
31 | halyavin | 685 | use16 |
157 | heavyiron | 686 | push cs |
687 | pop ds |
||
688 | mov dx,stub_message-default_stub |
||
689 | mov ah,9 |
||
690 | int 21h |
||
691 | mov ax,4C01h |
||
692 | int 21h |
||
693 | stub_message db 'This program cannot be run in DOS mode.',0Dh,0Ah,24h |
||
31 | halyavin | 694 | rq 1 |
157 | heavyiron | 695 | default_stub_end: |
31 | halyavin | 696 | use32 |
157 | heavyiron | 697 | stub_from_file: |
31 | halyavin | 698 | push esi |
157 | heavyiron | 699 | mov esi,edx |
700 | call open_binary_file |
||
701 | mov edx,edi |
||
702 | mov ecx,1Ch |
||
703 | mov esi,edx |
||
704 | call read |
||
705 | jc binary_stub |
||
706 | cmp word [esi],'MZ' |
||
707 | jne binary_stub |
||
708 | add edi,1Ch |
||
709 | movzx ecx,word [esi+6] |
||
710 | add ecx,11b |
||
711 | and ecx,not 11b |
||
712 | add ecx,(40h-1Ch) shr 2 |
||
713 | lea eax,[edi+ecx*4] |
||
714 | cmp edi,[display_buffer] |
||
715 | jae out_of_memory |
||
716 | xor eax,eax |
||
717 | rep stos dword [edi] |
||
718 | mov edx,40h |
||
719 | xchg dx,[esi+18h] |
||
720 | xor al,al |
||
721 | call lseek |
||
722 | movzx ecx,word [esi+6] |
||
723 | shl ecx,2 |
||
724 | lea edx,[esi+40h] |
||
725 | call read |
||
726 | mov edx,edi |
||
727 | sub edx,esi |
||
728 | shr edx,4 |
||
729 | xchg dx,[esi+8] |
||
730 | shl edx,4 |
||
731 | xor al,al |
||
732 | call lseek |
||
733 | movzx ecx,word [esi+4] |
||
734 | dec ecx |
||
735 | shl ecx,9 |
||
736 | movzx edx,word [esi+2] |
||
737 | test edx,edx |
||
872 | heavyiron | 738 | jnz stub_header_size_ok |
739 | mov dx,200h |
||
740 | stub_header_size_ok: |
||
741 | add ecx,edx |
||
157 | heavyiron | 742 | mov edx,edi |
743 | sub ecx,eax |
||
744 | je read_stub_code |
||
745 | jb stub_code_ok |
||
746 | push ecx |
||
747 | dec ecx |
||
748 | shr ecx,3 |
||
749 | inc ecx |
||
750 | shl ecx,1 |
||
751 | lea eax,[edi+ecx*4] |
||
752 | cmp eax,[display_buffer] |
||
753 | jae out_of_memory |
||
754 | xor eax,eax |
||
755 | rep stos dword [edi] |
||
756 | pop ecx |
||
757 | read_stub_code: |
||
31 | halyavin | 758 | call read |
157 | heavyiron | 759 | stub_code_ok: |
31 | halyavin | 760 | call close |
157 | heavyiron | 761 | mov edx,edi |
762 | sub edx,esi |
||
763 | mov ax,dx |
||
764 | and ax,1FFh |
||
765 | mov [esi+2],ax |
||
766 | dec edx |
||
767 | shr edx,9 |
||
768 | inc edx |
||
769 | mov [esi+4],dx |
||
770 | mov eax,edi |
||
771 | sub eax,esi |
||
772 | mov [esi+3Ch],eax |
||
773 | pop esi |
||
774 | stub_ok: |
||
31 | halyavin | 775 | ret |
157 | heavyiron | 776 | binary_stub: |
31 | halyavin | 777 | mov esi,edi |
157 | heavyiron | 778 | mov ecx,40h shr 2 |
779 | xor eax,eax |
||
780 | rep stos dword [edi] |
||
781 | mov al,2 |
||
782 | xor edx,edx |
||
783 | call lseek |
||
784 | push eax |
||
785 | xor al,al |
||
786 | xor edx,edx |
||
787 | call lseek |
||
788 | mov ecx,[esp] |
||
789 | add ecx,40h+111b |
||
790 | and ecx,not 111b |
||
791 | mov ax,cx |
||
792 | and ax,1FFh |
||
793 | mov [esi+2],ax |
||
794 | lea eax,[ecx+1FFh] |
||
795 | shr eax,9 |
||
796 | mov [esi+4],ax |
||
797 | mov [esi+3Ch],ecx |
||
798 | sub ecx,40h |
||
799 | mov eax,10000h |
||
800 | sub eax,ecx |
||
801 | jbe binary_heap_ok |
||
802 | shr eax,4 |
||
803 | mov [esi+0Ah],ax |
||
804 | binary_heap_ok: |
||
31 | halyavin | 805 | mov word [esi],'MZ' |
157 | heavyiron | 806 | mov word [esi+8],4 |
807 | mov ax,0FFFFh |
||
808 | mov [esi+0Ch],ax |
||
809 | dec ax |
||
810 | mov [esi+10h],ax |
||
811 | sub ax,0Eh |
||
812 | mov [esi+0Eh],ax |
||
813 | mov [esi+16h],ax |
||
814 | mov word [esi+14h],100h |
||
815 | mov word [esi+18h],40h |
||
816 | mov eax,[display_buffer] |
||
817 | sub eax,ecx |
||
818 | cmp edi,eax |
||
819 | jae out_of_memory |
||
820 | mov edx,edi |
||
821 | shr ecx,2 |
||
822 | xor eax,eax |
||
823 | rep stos dword [edi] |
||
824 | pop ecx |
||
825 | call read |
||
826 | call close |
||
827 | pop esi |
||
828 | ret |
||
829 | |||
31 | halyavin | 830 | |
831 | xor edx,edx |
||
157 | heavyiron | 832 | mov [machine],14Ch |
833 | mov [subsystem],3 |
||
834 | mov [subsystem_version],3 + 10 shl 16 |
||
835 | mov [image_base],400000h |
||
836 | test [format_flags],8 |
||
837 | jz pe_settings |
||
838 | mov [machine],8664h |
||
839 | mov [subsystem_version],5 + 0 shl 16 |
||
840 | mov [image_base_high],0 |
||
841 | pe_settings: |
||
31 | halyavin | 842 | cmp byte [esi],84h |
157 | heavyiron | 843 | je get_stub_name |
844 | cmp byte [esi],80h |
||
845 | je get_pe_base |
||
846 | cmp byte [esi],1Bh |
||
847 | jne pe_settings_ok |
||
848 | lods byte [esi] |
||
849 | lods byte [esi] |
||
850 | test al,80h+40h |
||
851 | jz subsystem_setting |
||
852 | cmp al,80h |
||
853 | je dll_flag |
||
854 | cmp al,81h |
||
855 | je wdm_flag |
||
856 | jmp pe_settings |
||
857 | dll_flag: |
||
31 | halyavin | 858 | bts [format_flags],8 |
157 | heavyiron | 859 | jc setting_already_specified |
860 | jmp pe_settings |
||
861 | wdm_flag: |
||
31 | halyavin | 862 | bts [format_flags],9 |
157 | heavyiron | 863 | jc setting_already_specified |
864 | jmp pe_settings |
||
865 | subsystem_setting: |
||
31 | halyavin | 866 | bts [format_flags],7 |
157 | heavyiron | 867 | jc setting_already_specified |
868 | and ax,3Fh |
||
869 | mov [subsystem],ax |
||
870 | cmp ax,10 |
||
992 | heavyiron | 871 | jb subsystem_type_ok |
872 | or [format_flags],8 |
||
873 | subsystem_type_ok: |
||
874 | cmp byte [esi],'(' |
||
157 | heavyiron | 875 | jne pe_settings |
876 | inc esi |
||
877 | cmp byte [esi],'.' |
||
878 | jne invalid_value |
||
879 | inc esi |
||
880 | push edx |
||
881 | cmp byte [esi+11],0 |
||
882 | jne invalid_value |
||
883 | cmp byte [esi+10],2 |
||
884 | ja invalid_value |
||
885 | mov dx,[esi+8] |
||
886 | cmp dx,8000h |
||
887 | je zero_version |
||
888 | mov eax,[esi+4] |
||
889 | cmp dx,7 |
||
890 | jg invalid_value |
||
891 | mov cx,7 |
||
892 | sub cx,dx |
||
893 | mov eax,[esi+4] |
||
894 | shr eax,cl |
||
895 | mov ebx,eax |
||
896 | shr ebx,24 |
||
897 | cmp bl,100 |
||
898 | jae invalid_value |
||
899 | and eax,0FFFFFFh |
||
900 | mov ecx,100 |
||
901 | mul ecx |
||
902 | shrd eax,edx,24 |
||
903 | jnc version_value_ok |
||
904 | inc eax |
||
905 | version_value_ok: |
||
31 | halyavin | 906 | shl eax,16 |
157 | heavyiron | 907 | mov ax,bx |
908 | jmp subsystem_version_ok |
||
909 | zero_version: |
||
31 | halyavin | 910 | xor eax,eax |
157 | heavyiron | 911 | subsystem_version_ok: |
31 | halyavin | 912 | pop edx |
157 | heavyiron | 913 | add esi,13 |
914 | mov [subsystem_version],eax |
||
915 | jmp pe_settings |
||
916 | get_pe_base: |
||
31 | halyavin | 917 | bts [format_flags],10 |
157 | heavyiron | 918 | jc setting_already_specified |
919 | lods word [esi] |
||
920 | cmp ah,'(' |
||
921 | jne invalid_argument |
||
922 | cmp byte [esi],'.' |
||
923 | je invalid_value |
||
924 | push edx edi |
||
925 | add edi,[stub_size] |
||
926 | test [format_flags],8 |
||
927 | jnz get_peplus_base |
||
992 | heavyiron | 928 | call get_dword_value |
157 | heavyiron | 929 | mov [image_base],eax |
930 | jmp pe_base_ok |
||
931 | get_peplus_base: |
||
992 | heavyiron | 932 | call get_qword_value |
157 | heavyiron | 933 | mov [image_base],eax |
934 | mov [image_base_high],edx |
||
935 | pe_base_ok: |
||
31 | halyavin | 936 | pop edi edx |
157 | heavyiron | 937 | cmp [value_type],0 |
938 | jne invalid_use_of_symbol |
||
939 | cmp byte [esi],84h |
||
940 | jne pe_settings_ok |
||
941 | get_stub_name: |
||
31 | halyavin | 942 | lods byte [esi] |
157 | heavyiron | 943 | lods word [esi] |
944 | cmp ax,'(' |
||
945 | jne invalid_argument |
||
946 | lods dword [esi] |
||
947 | mov edx,esi |
||
948 | add esi,eax |
||
949 | inc esi |
||
950 | pe_settings_ok: |
||
31 | halyavin | 951 | mov ebp,[stub_size] |
157 | heavyiron | 952 | or ebp,ebp |
953 | jz make_pe_stub |
||
954 | cmp edx,[stub_file] |
||
955 | je pe_stub_ok |
||
956 | sub edi,[stub_size] |
||
957 | mov [code_start],edi |
||
958 | make_pe_stub: |
||
31 | halyavin | 959 | call make_stub |
157 | heavyiron | 960 | mov eax,edi |
961 | sub eax,[code_start] |
||
962 | mov [stub_size],eax |
||
963 | mov [code_start],edi |
||
964 | mov ebp,eax |
||
965 | pe_stub_ok: |
||
31 | halyavin | 966 | mov edx,edi |
157 | heavyiron | 967 | mov ecx,18h+0E0h |
968 | test [format_flags],8 |
||
969 | jz zero_pe_header |
||
970 | add ecx,10h |
||
971 | zero_pe_header: |
||
31 | halyavin | 972 | add ebp,ecx |
157 | heavyiron | 973 | shr ecx,2 |
974 | xor eax,eax |
||
975 | rep stos dword [edi] |
||
976 | mov word [edx],'PE' ; signature |
||
977 | mov ax,[machine] |
||
978 | mov word [edx+4],ax |
||
979 | mov dword [edx+38h],1000h ; section alignment |
||
980 | mov dword [edx+3Ch],200h ; file alignment |
||
981 | mov word [edx+40h],1 ; OS version |
||
982 | mov eax,[subsystem_version] |
||
983 | mov [edx+48h],eax |
||
984 | mov ax,[subsystem] |
||
985 | mov [edx+5Ch],ax |
||
986 | cmp ax,1 |
||
987 | jne pe_alignment_ok |
||
988 | mov eax,20h |
||
989 | mov dword [edx+38h],eax |
||
990 | mov dword [edx+3Ch],eax |
||
991 | pe_alignment_ok: |
||
31 | halyavin | 992 | mov word [edx+1Ah],VERSION_MAJOR + VERSION_MINOR shl 8 |
157 | heavyiron | 993 | test [format_flags],8 |
994 | jnz init_peplus_specific |
||
992 | heavyiron | 995 | mov dword [edx+14h],0E0h ; size of optional header |
157 | heavyiron | 996 | mov dword [edx+16h],10B010Eh; flags and magic value |
997 | mov eax,[image_base] |
||
998 | mov dword [edx+34h],eax |
||
999 | mov dword [edx+60h],1000h ; stack reserve |
||
1000 | mov dword [edx+64h],1000h ; stack commit |
||
1001 | mov dword [edx+68h],10000h ; heap reserve |
||
1002 | mov dword [edx+6Ch],0 ; heap commit |
||
1003 | mov dword [edx+74h],16 ; number of directories |
||
1004 | jmp pe_header_ok |
||
1005 | init_peplus_specific: |
||
992 | heavyiron | 1006 | mov dword [edx+14h],0F0h ; size of optional header |
157 | heavyiron | 1007 | mov dword [edx+16h],20B002Eh; flags and magic value |
1008 | mov eax,[image_base] |
||
1009 | mov dword [edx+30h],eax |
||
1010 | mov eax,[image_base_high] |
||
1011 | mov dword [edx+34h],eax |
||
1012 | mov dword [edx+60h],1000h ; stack reserve |
||
1013 | mov dword [edx+68h],1000h ; stack commit |
||
1014 | mov dword [edx+70h],10000h ; heap reserve |
||
1015 | mov dword [edx+78h],0 ; heap commit |
||
1016 | mov dword [edx+84h],16 ; number of directories |
||
1017 | pe_header_ok: |
||
31 | halyavin | 1018 | bsf ecx,[edx+3Ch] |
157 | heavyiron | 1019 | imul ebx,[number_of_sections],28h |
1020 | or ebx,ebx |
||
1021 | jnz reserve_space_for_section_headers |
||
1022 | mov ebx,28h |
||
1023 | reserve_space_for_section_headers: |
||
31 | halyavin | 1024 | add ebx,ebp |
157 | heavyiron | 1025 | dec ebx |
1026 | shr ebx,cl |
||
1027 | inc ebx |
||
1028 | shl ebx,cl |
||
1029 | sub ebx,ebp |
||
1030 | mov ecx,ebx |
||
1031 | mov eax,[display_buffer] |
||
1032 | sub eax,ecx |
||
1033 | cmp edi,eax |
||
1034 | jae out_of_memory |
||
1035 | shr ecx,2 |
||
1036 | xor eax,eax |
||
1037 | rep stos dword [edi] |
||
1038 | mov eax,edi |
||
1039 | sub eax,[code_start] |
||
1040 | add eax,[stub_size] |
||
1041 | mov [edx+54h],eax ; size of headers |
||
1042 | mov ecx,[edx+38h] |
||
1043 | dec ecx |
||
1044 | add eax,ecx |
||
1045 | not ecx |
||
1046 | and eax,ecx |
||
1047 | bt [format_flags],8 |
||
1048 | jc pe_entry_init_ok |
||
1049 | mov [edx+28h],eax ; entry point rva |
||
1050 | pe_entry_init_ok: |
||
31 | halyavin | 1051 | mov [number_of_sections],0 |
157 | heavyiron | 1052 | movzx ebx,word [edx+14h] |
1053 | lea ebx,[edx+18h+ebx] |
||
1054 | mov [current_section],ebx |
||
1055 | mov dword [ebx],'.fla' |
||
1056 | mov dword [ebx+4],'t' |
||
1057 | mov [ebx+14h],edi |
||
1058 | mov [ebx+0Ch],eax |
||
1059 | mov dword [ebx+24h],0E0000060h |
||
1060 | xor ecx,ecx |
||
1061 | not eax |
||
1062 | not ecx |
||
1063 | add eax,1 |
||
1064 | adc ecx,0 |
||
1065 | add eax,edi |
||
1066 | adc ecx,0 |
||
1067 | test [format_flags],8 |
||
1068 | jnz peplus_org |
||
992 | heavyiron | 1069 | sub eax,[edx+34h] |
157 | heavyiron | 1070 | sbb ecx,0 |
1071 | mov bl,2 |
||
1072 | mov [code_type],32 |
||
1073 | jmp pe_org_ok |
||
1074 | peplus_org: |
||
992 | heavyiron | 1075 | sub eax,[edx+30h] |
157 | heavyiron | 1076 | sbb ecx,[edx+34h] |
1077 | mov bl,4 |
||
1078 | mov [code_type],64 |
||
1079 | pe_org_ok: |
||
31 | halyavin | 1080 | bt [resolver_flags],0 |
157 | heavyiron | 1081 | jc pe_labels_type_ok |
1082 | xor bl,bl |
||
1083 | pe_labels_type_ok: |
||
109 | heavyiron | 1084 | mov [labels_type],bl |
157 | heavyiron | 1085 | mov dword [org_origin],eax |
1086 | mov dword [org_origin+4],ecx |
||
1087 | mov [org_registers],0 |
||
1088 | mov [org_start],edi |
||
1089 | bt [format_flags],8 |
||
1090 | jnc dll_flag_ok |
||
1091 | or dword [edx+16h],2000h |
||
1092 | dll_flag_ok: |
||
31 | halyavin | 1093 | bt [format_flags],9 |
157 | heavyiron | 1094 | jnc wdm_flag_ok |
1095 | or word [edx+5Eh],2000h |
||
1096 | wdm_flag_ok: |
||
31 | halyavin | 1097 | jmp format_defined |
607 | heavyiron | 1098 | pe_section: |
31 | halyavin | 1099 | call close_pe_section |
157 | heavyiron | 1100 | bts [format_flags],5 |
1101 | lea ecx,[ebx+28h] |
||
1102 | add edx,[edx+54h] |
||
1103 | sub edx,[stub_size] |
||
1104 | cmp ecx,edx |
||
1105 | jbe new_section |
||
1106 | lea ebx,[edx-28h] |
||
1107 | or [next_pass_needed],-1 |
||
1108 | push edi |
||
1109 | mov edi,ebx |
||
1110 | mov ecx,28h shr 4 |
||
1111 | xor eax,eax |
||
1112 | rep stos dword [edi] |
||
1113 | pop edi |
||
1114 | new_section: |
||
31 | halyavin | 1115 | mov [ebx+0Ch],eax |
157 | heavyiron | 1116 | lods word [esi] |
1117 | cmp ax,'(' |
||
1118 | jne invalid_argument |
||
1119 | lea edx,[esi+4] |
||
1120 | mov ecx,[esi] |
||
1121 | lea esi,[esi+4+ecx+1] |
||
1122 | cmp ecx,8 |
||
1123 | ja name_too_long |
||
1124 | xor eax,eax |
||
1125 | mov [ebx],eax |
||
1126 | mov [ebx+4],eax |
||
1127 | push esi edi |
||
1128 | mov edi,ebx |
||
1129 | mov esi,edx |
||
1130 | rep movs byte [edi],[esi] |
||
1131 | pop edi esi |
||
1132 | mov dword [ebx+24h],0 |
||
1133 | mov [ebx+14h],edi |
||
1134 | mov edx,[code_start] |
||
1135 | mov eax,edi |
||
1136 | xor ecx,ecx |
||
1137 | sub eax,[ebx+0Ch] |
||
1138 | sbb ecx,0 |
||
1139 | test [format_flags],8 |
||
1140 | jnz peplus_section_org |
||
992 | heavyiron | 1141 | sub eax,[edx+34h] |
157 | heavyiron | 1142 | sbb ecx,0 |
1143 | mov [labels_type],2 |
||
1144 | mov [code_type],32 |
||
1145 | bt [resolver_flags],0 |
||
1146 | jc pe_section_org_ok |
||
1147 | mov [labels_type],0 |
||
1148 | jmp pe_section_org_ok |
||
1149 | peplus_section_org: |
||
992 | heavyiron | 1150 | sub eax,[edx+30h] |
157 | heavyiron | 1151 | sbb ecx,[edx+34h] |
1152 | mov [labels_type],4 |
||
1153 | mov [code_type],64 |
||
1154 | bt [resolver_flags],0 |
||
1155 | jc pe_section_org_ok |
||
1156 | mov [labels_type],0 |
||
1157 | pe_section_org_ok: |
||
31 | halyavin | 1158 | mov dword [org_origin],eax |
157 | heavyiron | 1159 | mov dword [org_origin+4],ecx |
1160 | mov [org_registers],0 |
||
1161 | mov [org_start],edi |
||
1162 | get_section_flags: |
||
31 | halyavin | 1163 | lods byte [esi] |
157 | heavyiron | 1164 | cmp al,1Ah |
1165 | je set_directory |
||
1166 | cmp al,19h |
||
1167 | je section_flag |
||
1168 | dec esi |
||
1169 | jmp instruction_assembled |
||
1170 | set_directory: |
||
31 | halyavin | 1171 | movzx eax,byte [esi] |
157 | heavyiron | 1172 | inc esi |
1173 | mov ecx,ebx |
||
1174 | test [format_flags],8 |
||
1175 | jnz peplus_directory |
||
992 | heavyiron | 1176 | xchg ecx,[edx+78h+eax*8] |
157 | heavyiron | 1177 | mov dword [edx+78h+eax*8+4],-1 |
1178 | jmp pe_directory_set |
||
1179 | peplus_directory: |
||
992 | heavyiron | 1180 | xchg ecx,[edx+88h+eax*8] |
157 | heavyiron | 1181 | mov dword [edx+88h+eax*8+4],-1 |
1182 | pe_directory_set: |
||
31 | halyavin | 1183 | or ecx,ecx |
157 | heavyiron | 1184 | jnz data_already_defined |
1185 | push ebx edx |
||
1186 | call generate_pe_data |
||
1187 | pop edx ebx |
||
1188 | jmp get_section_flags |
||
1189 | section_flag: |
||
31 | halyavin | 1190 | lods byte [esi] |
157 | heavyiron | 1191 | cmp al,9 |
1192 | je invalid_argument |
||
1193 | cmp al,11 |
||
1194 | je invalid_argument |
||
1195 | mov cl,al |
||
1196 | mov eax,1 |
||
1197 | shl eax,cl |
||
1198 | test dword [ebx+24h],eax |
||
1199 | jnz setting_already_specified |
||
1200 | or dword [ebx+24h],eax |
||
1201 | jmp get_section_flags |
||
1202 | close_pe_section: |
||
31 | halyavin | 1203 | mov ebx,[current_section] |
157 | heavyiron | 1204 | mov edx,[code_start] |
1205 | mov eax,edi |
||
1206 | sub eax,[ebx+14h] |
||
1207 | jnz finish_section |
||
1208 | bt [format_flags],5 |
||
1209 | jc finish_section |
||
1210 | mov eax,[ebx+0Ch] |
||
1211 | ret |
||
1212 | finish_section: |
||
31 | halyavin | 1213 | mov [ebx+8],eax |
157 | heavyiron | 1214 | cmp edi,[undefined_data_end] |
1215 | jne align_section |
||
1216 | cmp dword [edx+38h],1000h |
||
1217 | jb align_section |
||
1218 | mov edi,[undefined_data_start] |
||
1219 | align_section: |
||
31 | halyavin | 1220 | mov [undefined_data_end],0 |
157 | heavyiron | 1221 | mov ebp,edi |
1222 | sub ebp,[ebx+14h] |
||
1223 | mov ecx,[edx+3Ch] |
||
1224 | dec ecx |
||
1225 | lea eax,[ebp+ecx] |
||
1226 | not ecx |
||
1227 | and eax,ecx |
||
1228 | mov [ebx+10h],eax |
||
1229 | sub eax,ebp |
||
1230 | mov ecx,eax |
||
1231 | xor al,al |
||
1232 | rep stos byte [edi] |
||
1233 | mov eax,[code_start] |
||
1234 | sub eax,[stub_size] |
||
1235 | sub [ebx+14h],eax |
||
1236 | |||
992 | heavyiron | 1237 | |
1238 | test byte [ebx+24h],20h |
||
1239 | jz pe_code_sum_ok |
||
1240 | add [edx+1Ch],ecx |
||
1241 | cmp dword [edx+2Ch],0 |
||
1242 | jne pe_code_sum_ok |
||
1243 | mov eax,[ebx+0Ch] |
||
1244 | mov [edx+2Ch],eax |
||
1245 | pe_code_sum_ok: |
||
1246 | test byte [ebx+24h],40h |
||
1247 | jz pe_data_sum_ok |
||
1248 | add [edx+20h],ecx |
||
1249 | test [format_flags],8 |
||
1250 | jnz pe_data_sum_ok |
||
1251 | cmp dword [edx+30h],0 |
||
1252 | jne pe_data_sum_ok |
||
1253 | mov eax,[ebx+0Ch] |
||
1254 | mov [edx+30h],eax |
||
1255 | pe_data_sum_ok: |
||
1256 | |||
1257 | |||
157 | heavyiron | 1258 | or eax,eax |
1259 | jz udata_ok |
||
1260 | cmp dword [ebx+10h],0 |
||
1261 | jne udata_ok |
||
1262 | or byte [ebx+24h],80h |
||
1263 | add [edx+24h],ecx |
||
992 | heavyiron | 1264 | udata_ok: |
31 | halyavin | 1265 | |
992 | heavyiron | 1266 | |
157 | heavyiron | 1267 | dec ecx |
1268 | add eax,ecx |
||
1269 | not ecx |
||
1270 | and eax,ecx |
||
1271 | add eax,[ebx+0Ch] |
||
1272 | add ebx,28h |
||
1273 | mov [current_section],ebx |
||
1274 | inc word [number_of_sections] |
||
1275 | jz format_limitations_exceeded |
||
1276 | ret |
||
1277 | data_directive: |
||
31 | halyavin | 1278 | cmp [output_format],3 |
157 | heavyiron | 1279 | jne illegal_instruction |
1280 | lods byte [esi] |
||
1281 | cmp al,1Ah |
||
1282 | je predefined_data_type |
||
1283 | cmp al,'(' |
||
1284 | jne invalid_argument |
||
1285 | call get_byte_value |
||
1286 | cmp al,16 |
||
1287 | jb data_type_ok |
||
1288 | jmp invalid_value |
||
1289 | predefined_data_type: |
||
31 | halyavin | 1290 | movzx eax,byte [esi] |
157 | heavyiron | 1291 | inc esi |
1292 | data_type_ok: |
||
31 | halyavin | 1293 | mov ebx,[current_section] |
157 | heavyiron | 1294 | mov ecx,edi |
1295 | sub ecx,[ebx+14h] |
||
1296 | add ecx,[ebx+0Ch] |
||
1297 | mov edx,[code_start] |
||
1298 | test [format_flags],8 |
||
1299 | jnz peplus_data |
||
992 | heavyiron | 1300 | xchg ecx,[edx+78h+eax*8] |
157 | heavyiron | 1301 | jmp init_pe_data |
1302 | peplus_data: |
||
992 | heavyiron | 1303 | xchg ecx,[edx+88h+eax*8] |
157 | heavyiron | 1304 | init_pe_data: |
31 | halyavin | 1305 | or ecx,ecx |
157 | heavyiron | 1306 | jnz data_already_defined |
1307 | call allocate_structure_data |
||
1308 | mov word [ebx],data_directive-assembler |
||
1309 | mov [ebx+2],al |
||
1310 | mov edx,[current_line] |
||
1311 | mov [ebx+4],edx |
||
1312 | call generate_pe_data |
||
1313 | jmp instruction_assembled |
||
1314 | end_data: |
||
31 | halyavin | 1315 | cmp [output_format],3 |
157 | heavyiron | 1316 | jne illegal_instruction |
1317 | call find_structure_data |
||
1318 | jc unexpected_instruction |
||
1319 | movzx eax,byte [ebx+2] |
||
1320 | mov edx,[current_section] |
||
1321 | mov ecx,edi |
||
1322 | sub ecx,[edx+14h] |
||
1323 | add ecx,[edx+0Ch] |
||
1324 | mov edx,[code_start] |
||
1325 | test [format_flags],8 |
||
1326 | jnz end_peplus_data |
||
992 | heavyiron | 1327 | sub ecx,[edx+78h+eax*8] |
157 | heavyiron | 1328 | mov [edx+78h+eax*8+4],ecx |
1329 | jmp remove_structure_data |
||
1330 | end_peplus_data: |
||
992 | heavyiron | 1331 | sub ecx,[edx+88h+eax*8] |
157 | heavyiron | 1332 | mov [edx+88h+eax*8+4],ecx |
1333 | jmp remove_structure_data |
||
1334 | pe_entry: |
||
31 | halyavin | 1335 | lods byte [esi] |
157 | heavyiron | 1336 | cmp al,'(' |
1337 | jne invalid_argument |
||
1338 | cmp byte [esi],'.' |
||
1339 | je invalid_value |
||
1340 | test [format_flags],8 |
||
1341 | jnz peplus_entry |
||
992 | heavyiron | 1342 | call get_dword_value |
157 | heavyiron | 1343 | mov bl,2 |
1344 | bt [resolver_flags],0 |
||
1345 | jc check_pe_entry_label_type |
||
1346 | xor bl,bl |
||
1347 | check_pe_entry_label_type: |
||
109 | heavyiron | 1348 | cmp [value_type],bl |
157 | heavyiron | 1349 | je pe_entry_ok |
1350 | cmp [error_line],0 |
||
1351 | jne pe_entry_ok |
||
1352 | mov edx,[current_line] |
||
1353 | mov [error_line],edx |
||
1354 | mov [error],invalid_address |
||
1355 | pe_entry_ok: |
||
31 | halyavin | 1356 | mov edx,[code_start] |
157 | heavyiron | 1357 | sub eax,[edx+34h] |
1358 | mov [edx+28h],eax |
||
1359 | jmp instruction_assembled |
||
1360 | peplus_entry: |
||
992 | heavyiron | 1361 | call get_qword_value |
157 | heavyiron | 1362 | mov bl,4 |
1363 | bt [resolver_flags],0 |
||
1364 | jc check_peplus_entry_label_type |
||
992 | heavyiron | 1365 | xor bl,bl |
157 | heavyiron | 1366 | check_peplus_entry_label_type: |
992 | heavyiron | 1367 | cmp [value_type],bl |
157 | heavyiron | 1368 | je peplus_entry_type_ok |
992 | heavyiron | 1369 | cmp [error_line],0 |
157 | heavyiron | 1370 | jne peplus_entry_type_ok |
992 | heavyiron | 1371 | mov edx,[current_line] |
157 | heavyiron | 1372 | mov [error_line],edx |
1373 | mov [error],invalid_address |
||
1374 | peplus_entry_type_ok: |
||
992 | heavyiron | 1375 | mov ecx,[code_start] |
157 | heavyiron | 1376 | sub eax,[ecx+30h] |
1377 | sbb edx,[ecx+34h] |
||
1378 | jz peplus_entry_range_ok |
||
992 | heavyiron | 1379 | mov edx,[current_line] |
157 | heavyiron | 1380 | mov [error_line],edx |
1381 | mov [error],value_out_of_range |
||
1382 | peplus_entry_range_ok: |
||
992 | heavyiron | 1383 | mov [ecx+28h],eax |
157 | heavyiron | 1384 | jmp instruction_assembled |
1385 | pe_stack: |
||
31 | halyavin | 1386 | lods byte [esi] |
157 | heavyiron | 1387 | cmp al,'(' |
1388 | jne invalid_argument |
||
1389 | cmp byte [esi],'.' |
||
1390 | je invalid_value |
||
1391 | test [format_flags],8 |
||
1392 | jnz peplus_stack |
||
992 | heavyiron | 1393 | call get_dword_value |
157 | heavyiron | 1394 | cmp [value_type],0 |
1395 | jne invalid_use_of_symbol |
||
1396 | mov edx,[code_start] |
||
1397 | mov [edx+60h],eax |
||
1398 | cmp byte [esi],',' |
||
1399 | jne default_stack_commit |
||
1400 | lods byte [esi] |
||
1401 | lods byte [esi] |
||
1402 | cmp al,'(' |
||
1403 | jne invalid_argument |
||
1404 | cmp byte [esi],'.' |
||
1405 | je invalid_value |
||
1406 | call get_dword_value |
||
1407 | cmp [value_type],0 |
||
1408 | jne invalid_use_of_symbol |
||
1409 | mov edx,[code_start] |
||
1410 | mov [edx+64h],eax |
||
1411 | cmp eax,[edx+60h] |
||
1412 | ja value_out_of_range |
||
1413 | jmp instruction_assembled |
||
1414 | default_stack_commit: |
||
31 | halyavin | 1415 | mov dword [edx+64h],1000h |
157 | heavyiron | 1416 | mov eax,[edx+60h] |
1417 | cmp eax,1000h |
||
1418 | ja instruction_assembled |
||
1419 | mov dword [edx+64h],eax |
||
1420 | jmp instruction_assembled |
||
1421 | peplus_stack: |
||
992 | heavyiron | 1422 | call get_qword_value |
157 | heavyiron | 1423 | cmp [value_type],0 |
1424 | jne invalid_use_of_symbol |
||
1425 | mov ecx,[code_start] |
||
1426 | mov [ecx+60h],eax |
||
1427 | mov [ecx+64h],edx |
||
1428 | cmp byte [esi],',' |
||
1429 | jne default_peplus_stack_commit |
||
992 | heavyiron | 1430 | lods byte [esi] |
157 | heavyiron | 1431 | lods byte [esi] |
1432 | cmp al,'(' |
||
1433 | jne invalid_argument |
||
1434 | cmp byte [esi],'.' |
||
1435 | je invalid_value |
||
1436 | call get_qword_value |
||
1437 | cmp [value_type],0 |
||
1438 | jne invalid_use_of_symbol |
||
1439 | mov ecx,[code_start] |
||
1440 | mov [ecx+68h],eax |
||
1441 | mov [ecx+6Ch],edx |
||
1442 | cmp edx,[ecx+64h] |
||
1443 | ja value_out_of_range |
||
1444 | jb instruction_assembled |
||
1445 | cmp eax,[ecx+60h] |
||
607 | heavyiron | 1446 | ja value_out_of_range |
157 | heavyiron | 1447 | jmp instruction_assembled |
1448 | default_peplus_stack_commit: |
||
992 | heavyiron | 1449 | mov dword [ecx+68h],1000h |
607 | heavyiron | 1450 | cmp dword [ecx+64h],0 |
1451 | jne instruction_assembled |
||
157 | heavyiron | 1452 | mov eax,[ecx+60h] |
607 | heavyiron | 1453 | cmp eax,1000h |
157 | heavyiron | 1454 | ja instruction_assembled |
1455 | mov dword [ecx+68h],eax |
||
607 | heavyiron | 1456 | jmp instruction_assembled |
157 | heavyiron | 1457 | pe_heap: |
31 | halyavin | 1458 | lods byte [esi] |
157 | heavyiron | 1459 | cmp al,'(' |
1460 | jne invalid_argument |
||
1461 | cmp byte [esi],'.' |
||
1462 | je invalid_value |
||
1463 | test [format_flags],8 |
||
1464 | jnz peplus_heap |
||
992 | heavyiron | 1465 | call get_dword_value |
157 | heavyiron | 1466 | cmp [value_type],0 |
1467 | jne invalid_use_of_symbol |
||
1468 | mov edx,[code_start] |
||
1469 | mov [edx+68h],eax |
||
1470 | cmp byte [esi],',' |
||
1471 | jne instruction_assembled |
||
1472 | lods byte [esi] |
||
1473 | lods byte [esi] |
||
1474 | cmp al,'(' |
||
1475 | jne invalid_argument |
||
1476 | cmp byte [esi],'.' |
||
1477 | je invalid_value |
||
1478 | call get_dword_value |
||
1479 | cmp [value_type],0 |
||
1480 | jne invalid_use_of_symbol |
||
1481 | mov edx,[code_start] |
||
1482 | mov [edx+6Ch],eax |
||
1483 | cmp eax,[edx+68h] |
||
1484 | ja value_out_of_range |
||
1485 | jmp instruction_assembled |
||
1486 | peplus_heap: |
||
992 | heavyiron | 1487 | call get_qword_value |
157 | heavyiron | 1488 | cmp [value_type],0 |
1489 | jne invalid_use_of_symbol |
||
1490 | mov ecx,[code_start] |
||
1491 | mov [ecx+70h],eax |
||
1492 | mov [ecx+74h],edx |
||
1493 | cmp byte [esi],',' |
||
1494 | jne instruction_assembled |
||
1495 | lods byte [esi] |
||
1496 | lods byte [esi] |
||
1497 | cmp al,'(' |
||
1498 | jne invalid_argument |
||
1499 | cmp byte [esi],'.' |
||
1500 | je invalid_value |
||
1501 | call get_qword_value |
||
1502 | cmp [value_type],0 |
||
1503 | jne invalid_use_of_symbol |
||
1504 | mov ecx,[code_start] |
||
1505 | mov [ecx+78h],eax |
||
1506 | mov [ecx+7Ch],edx |
||
1507 | cmp edx,[ecx+74h] |
||
1508 | ja value_out_of_range |
||
1509 | jb instruction_assembled |
||
1510 | cmp eax,[edx+70h] |
||
1511 | ja value_out_of_range |
||
1512 | jmp instruction_assembled |
||
1513 | mark_pe_relocation: |
||
31 | halyavin | 1514 | push eax ebx |
157 | heavyiron | 1515 | test [format_flags],8 |
1516 | jz check_pe32_relocation_type |
||
370 | heavyiron | 1517 | cmp [value_type],4 |
1518 | je pe_relocation_type_ok |
||
157 | heavyiron | 1519 | check_pe32_relocation_type: |
370 | heavyiron | 1520 | cmp [value_type],2 |
1521 | je pe_relocation_type_ok |
||
1522 | cmp [error_line],0 |
||
157 | heavyiron | 1523 | jne pe_relocation_type_ok |
1524 | mov eax,[current_line] |
||
1525 | mov [error_line],eax |
||
1526 | mov [error],invalid_use_of_symbol |
||
1527 | pe_relocation_type_ok: |
||
109 | heavyiron | 1528 | mov ebx,[current_section] |
157 | heavyiron | 1529 | mov eax,edi |
1530 | sub eax,[ebx+14h] |
||
1531 | add eax,[ebx+0Ch] |
||
1532 | mov ebx,[free_additional_memory] |
||
1533 | inc [number_of_relocations] |
||
1534 | jz invalid_use_of_symbol |
||
1535 | add ebx,5 |
||
370 | heavyiron | 1536 | cmp ebx,[structures_buffer] |
157 | heavyiron | 1537 | jae out_of_memory |
1538 | mov [free_additional_memory],ebx |
||
1539 | mov [ebx-5],eax |
||
370 | heavyiron | 1540 | cmp [value_type],2 |
1541 | je fixup_32bit |
||
1542 | mov byte [ebx-1],0Ah |
||
1543 | jmp fixup_ok |
||
1544 | fixup_32bit: |
||
1545 | mov byte [ebx-1],3 |
||
1546 | fixup_ok: |
||
1547 | pop ebx eax |
||
157 | heavyiron | 1548 | ret |
1549 | generate_pe_data: |
||
31 | halyavin | 1550 | cmp al,2 |
157 | heavyiron | 1551 | je make_pe_resource |
1552 | cmp al,5 |
||
1553 | je make_pe_fixups |
||
1554 | ret |
||
1555 | make_pe_fixups: |
||
370 | heavyiron | 1556 | bts [resolver_flags],0 |
1557 | jc pe_relocatable_ok |
||
1558 | or [next_pass_needed],-1 |
||
1559 | pe_relocatable_ok: |
||
1560 | push esi |
||
1561 | mov ecx,[number_of_relocations] |
||
1562 | mov esi,[free_additional_memory] |
||
1563 | lea eax,[ecx*5] |
||
1564 | sub esi,eax |
||
1565 | mov [free_additional_memory],esi |
||
1566 | or [number_of_relocations],-1 |
||
1567 | xor edx,edx |
||
1568 | mov ebp,edi |
||
1569 | make_fixups: |
||
1570 | cmp [esi],edx |
||
1571 | jb store_fixup |
||
1572 | mov eax,edi |
||
1573 | sub eax,ebp |
||
1574 | test eax,11b |
||
1575 | jz fixups_block |
||
1576 | xor ax,ax |
||
1577 | stos word [edi] |
||
1578 | add dword [ebx],2 |
||
1579 | fixups_block: |
||
1580 | mov eax,edx |
||
1581 | add edx,1000h |
||
1582 | cmp [esi],edx |
||
1583 | jae fixups_block |
||
1584 | stos dword [edi] |
||
1585 | mov ebx,edi |
||
1586 | mov eax,8 |
||
1587 | stos dword [edi] |
||
1588 | store_fixup: |
||
1589 | jecxz fixups_done |
||
1590 | add dword [ebx],2 |
||
1591 | mov ah,[esi+1] |
||
607 | heavyiron | 1592 | and ah,0Fh |
1593 | mov al,[esi+4] |
||
1594 | shl al,4 |
||
1595 | or ah,al |
||
1596 | mov al,[esi] |
||
1597 | stos word [edi] |
||
370 | heavyiron | 1598 | add esi,5 |
1599 | loop make_fixups |
||
1600 | fixups_done: |
||
1601 | pop esi |
||
1602 | ret |
||
1603 | make_pe_resource: |
||
31 | halyavin | 1604 | cmp byte [esi],82h |
157 | heavyiron | 1605 | jne resource_done |
1606 | inc esi |
||
1607 | lods word [esi] |
||
1608 | cmp ax,'(' |
||
1609 | jne invalid_argument |
||
1610 | lods dword [esi] |
||
1611 | mov edx,esi |
||
1612 | lea esi,[esi+eax+1] |
||
1613 | cmp [next_pass_needed],0 |
||
1614 | je resource_from_file |
||
1615 | cmp [current_pass],0 |
||
1616 | jne reserve_space_for_resource |
||
1617 | mov [resource_size],0 |
||
1618 | reserve_space_for_resource: |
||
31 | halyavin | 1619 | add edi,[resource_size] |
157 | heavyiron | 1620 | cmp edi,[display_buffer] |
1621 | ja out_of_memory |
||
1622 | jmp resource_done |
||
1623 | resource_from_file: |
||
31 | halyavin | 1624 | push esi |
157 | heavyiron | 1625 | mov esi,edx |
1626 | call open_binary_file |
||
1627 | push ebx |
||
1628 | mov esi,[free_additional_memory] |
||
1629 | lea eax,[esi+20h] |
||
1630 | cmp eax,[structures_buffer] |
||
1631 | ja out_of_memory |
||
1632 | mov edx,esi |
||
1633 | mov ecx,20h |
||
1634 | call read |
||
1635 | jc invalid_file_format |
||
1636 | xor eax,eax |
||
1637 | cmp [esi],eax |
||
1638 | jne invalid_file_format |
||
1639 | mov ax,0FFFFh |
||
1640 | cmp [esi+8],eax |
||
1641 | jne invalid_file_format |
||
1642 | cmp [esi+12],eax |
||
1643 | jne invalid_file_format |
||
1644 | mov eax,20h |
||
1645 | cmp [esi+4],eax |
||
1646 | jne invalid_file_format |
||
1647 | read_resource_headers: |
||
31 | halyavin | 1648 | test eax,11b |
157 | heavyiron | 1649 | jz resource_file_alignment_ok |
1650 | mov edx,4 |
||
1651 | and eax,11b |
||
1652 | sub edx,eax |
||
1653 | mov al,1 |
||
1654 | call lseek |
||
1655 | resource_file_alignment_ok: |
||
31 | halyavin | 1656 | mov [esi],eax |
157 | heavyiron | 1657 | lea edx,[esi+12] |
1658 | mov ecx,8 |
||
1659 | call read |
||
1660 | jc resource_headers_ok |
||
1661 | mov ecx,[esi+16] |
||
1662 | add [esi],ecx |
||
1663 | lea edx,[esi+20] |
||
1664 | sub ecx,8 |
||
1665 | mov [esi+16],ecx |
||
1666 | lea eax,[edx+ecx] |
||
1667 | cmp eax,[structures_buffer] |
||
1668 | ja out_of_memory |
||
1669 | call read |
||
1670 | jc invalid_file_format |
||
1671 | mov edx,[esi] |
||
1672 | add edx,[esi+12] |
||
1673 | mov eax,[esi+16] |
||
1674 | lea ecx,[esi+20] |
||
1675 | lea esi,[ecx+eax] |
||
1676 | add ecx,2 |
||
1677 | cmp word [ecx-2],0FFFFh |
||
1678 | je resource_header_type_ok |
||
1679 | check_resource_header_type: |
||
31 | halyavin | 1680 | cmp ecx,esi |
157 | heavyiron | 1681 | jae invalid_file_format |
1682 | cmp word [ecx],0 |
||
1683 | je resource_header_type_ok |
||
1684 | add ecx,2 |
||
1685 | jmp check_resource_header_type |
||
1686 | resource_header_type_ok: |
||
31 | halyavin | 1687 | add ecx,2 |
157 | heavyiron | 1688 | cmp word [ecx],0FFFFh |
1689 | je resource_header_name_ok |
||
1690 | check_resource_header_name: |
||
31 | halyavin | 1691 | cmp ecx,esi |
157 | heavyiron | 1692 | jae invalid_file_format |
1693 | cmp word [ecx],0 |
||
1694 | je resource_header_name_ok |
||
1695 | add ecx,2 |
||
1696 | jmp check_resource_header_name |
||
1697 | resource_header_name_ok: |
||
31 | halyavin | 1698 | xor al,al |
157 | heavyiron | 1699 | call lseek |
1700 | jmp read_resource_headers |
||
1701 | resource_headers_ok: |
||
31 | halyavin | 1702 | xor eax,eax |
157 | heavyiron | 1703 | mov [esi],eax |
1704 | mov [resource_data],edi |
||
1705 | lea eax,[edi+16] |
||
1706 | cmp eax,[display_buffer] |
||
1707 | jae out_of_memory |
||
1708 | xor eax,eax |
||
1709 | stos dword [edi] |
||
1710 | call make_timestamp |
||
1711 | stos dword [edi] |
||
1712 | xor eax,eax |
||
1713 | stos dword [edi] |
||
1714 | stos dword [edi] |
||
1715 | xor ebx,ebx |
||
1716 | make_type_name_directory: |
||
31 | halyavin | 1717 | mov esi,[free_additional_memory] |
157 | heavyiron | 1718 | xor edx,edx |
1719 | find_type_name: |
||
31 | halyavin | 1720 | cmp dword [esi],0 |
157 | heavyiron | 1721 | je type_name_ok |
1722 | add esi,20 |
||
1723 | cmp word [esi],0FFFFh |
||
1724 | je check_next_type_name |
||
1725 | or ebx,ebx |
||
1726 | jz check_this_type_name |
||
1727 | xor ecx,ecx |
||
1728 | compare_with_previous_type_name: |
||
31 | halyavin | 1729 | mov ax,[esi+ecx] |
157 | heavyiron | 1730 | cmp ax,[ebx+ecx] |
1731 | ja check_this_type_name |
||
1732 | jb check_next_type_name |
||
1733 | add ecx,2 |
||
1734 | mov ax,[esi+ecx] |
||
1735 | or ax,[ebx+ecx] |
||
1736 | jnz compare_with_previous_type_name |
||
1737 | jmp check_next_type_name |
||
1738 | check_this_type_name: |
||
31 | halyavin | 1739 | or edx,edx |
157 | heavyiron | 1740 | jz type_name_found |
1741 | xor ecx,ecx |
||
1742 | compare_with_current_type_name: |
||
31 | halyavin | 1743 | mov ax,[esi+ecx] |
157 | heavyiron | 1744 | cmp ax,[edx+ecx] |
1745 | ja check_next_type_name |
||
1746 | jb type_name_found |
||
1747 | add ecx,2 |
||
1748 | mov ax,[esi+ecx] |
||
1749 | or ax,[edx+ecx] |
||
1750 | jnz compare_with_current_type_name |
||
1751 | jmp same_type_name |
||
1752 | type_name_found: |
||
31 | halyavin | 1753 | mov edx,esi |
157 | heavyiron | 1754 | same_type_name: |
31 | halyavin | 1755 | mov [esi-16],edi |
157 | heavyiron | 1756 | check_next_type_name: |
31 | halyavin | 1757 | mov eax,[esi-4] |
157 | heavyiron | 1758 | add esi,eax |
1759 | jmp find_type_name |
||
1760 | type_name_ok: |
||
31 | halyavin | 1761 | or edx,edx |
157 | heavyiron | 1762 | jz type_name_directory_done |
1763 | mov ebx,edx |
||
1764 | make_type_name_entry: |
||
31 | halyavin | 1765 | mov eax,[resource_data] |
157 | heavyiron | 1766 | inc word [eax+12] |
1767 | lea eax,[edi+8] |
||
1768 | cmp eax,[display_buffer] |
||
1769 | jae out_of_memory |
||
1770 | mov eax,ebx |
||
1771 | stos dword [edi] |
||
1772 | xor eax,eax |
||
1773 | stos dword [edi] |
||
1774 | jmp make_type_name_directory |
||
1775 | type_name_directory_done: |
||
31 | halyavin | 1776 | mov ebx,-1 |
157 | heavyiron | 1777 | make_type_id_directory: |
31 | halyavin | 1778 | mov esi,[free_additional_memory] |
157 | heavyiron | 1779 | mov edx,10000h |
1780 | find_type_id: |
||
31 | halyavin | 1781 | cmp dword [esi],0 |
157 | heavyiron | 1782 | je type_id_ok |
1783 | add esi,20 |
||
1784 | cmp word [esi],0FFFFh |
||
1785 | jne check_next_type_id |
||
1786 | movzx eax,word [esi+2] |
||
1787 | cmp eax,ebx |
||
1788 | jle check_next_type_id |
||
1789 | cmp eax,edx |
||
1790 | jg check_next_type_id |
||
1791 | mov edx,eax |
||
1792 | mov [esi-16],edi |
||
1793 | check_next_type_id: |
||
31 | halyavin | 1794 | mov eax,[esi-4] |
157 | heavyiron | 1795 | add esi,eax |
1796 | jmp find_type_id |
||
1797 | type_id_ok: |
||
31 | halyavin | 1798 | cmp edx,10000h |
157 | heavyiron | 1799 | je type_id_directory_done |
1800 | mov ebx,edx |
||
1801 | make_type_id_entry: |
||
31 | halyavin | 1802 | mov eax,[resource_data] |
157 | heavyiron | 1803 | inc word [eax+14] |
1804 | lea eax,[edi+8] |
||
1805 | cmp eax,[display_buffer] |
||
1806 | jae out_of_memory |
||
1807 | mov eax,ebx |
||
1808 | stos dword [edi] |
||
1809 | xor eax,eax |
||
1810 | stos dword [edi] |
||
1811 | jmp make_type_id_directory |
||
1812 | type_id_directory_done: |
||
31 | halyavin | 1813 | mov esi,[resource_data] |
157 | heavyiron | 1814 | add esi,10h |
1815 | mov ecx,[esi-4] |
||
1816 | or cx,cx |
||
1817 | jz resource_directories_ok |
||
1818 | make_resource_directories: |
||
31 | halyavin | 1819 | push ecx |
157 | heavyiron | 1820 | push edi |
1821 | mov edx,edi |
||
1822 | sub edx,[resource_data] |
||
1823 | bts edx,31 |
||
1824 | mov [esi+4],edx |
||
1825 | lea eax,[edi+16] |
||
1826 | cmp eax,[display_buffer] |
||
1827 | jae out_of_memory |
||
1828 | xor eax,eax |
||
1829 | stos dword [edi] |
||
1830 | call make_timestamp |
||
1831 | stos dword [edi] |
||
1832 | xor eax,eax |
||
1833 | stos dword [edi] |
||
1834 | stos dword [edi] |
||
1835 | mov ebp,esi |
||
1836 | xor ebx,ebx |
||
1837 | make_resource_name_directory: |
||
31 | halyavin | 1838 | mov esi,[free_additional_memory] |
157 | heavyiron | 1839 | xor edx,edx |
1840 | find_resource_name: |
||
31 | halyavin | 1841 | cmp dword [esi],0 |
157 | heavyiron | 1842 | je resource_name_ok |
1843 | push esi |
||
1844 | cmp [esi+4],ebp |
||
1845 | jne check_next_resource_name |
||
1846 | add esi,20 |
||
1847 | call skip_resource_name |
||
1848 | cmp word [esi],0FFFFh |
||
1849 | je check_next_resource_name |
||
1850 | or ebx,ebx |
||
1851 | jz check_this_resource_name |
||
1852 | xor ecx,ecx |
||
1853 | compare_with_previous_resource_name: |
||
31 | halyavin | 1854 | mov ax,[esi+ecx] |
157 | heavyiron | 1855 | cmp ax,[ebx+ecx] |
1856 | ja check_this_resource_name |
||
1857 | jb check_next_resource_name |
||
1858 | add ecx,2 |
||
1859 | mov ax,[esi+ecx] |
||
1860 | or ax,[ebx+ecx] |
||
1861 | jnz compare_with_previous_resource_name |
||
1862 | jmp check_next_resource_name |
||
1863 | skip_resource_name: |
||
31 | halyavin | 1864 | cmp word [esi],0FFFFh |
157 | heavyiron | 1865 | jne skip_unicode_string |
1866 | add esi,4 |
||
1867 | ret |
||
1868 | skip_unicode_string: |
||
31 | halyavin | 1869 | add esi,2 |
157 | heavyiron | 1870 | cmp word [esi-2],0 |
1871 | jne skip_unicode_string |
||
1872 | ret |
||
1873 | check_this_resource_name: |
||
31 | halyavin | 1874 | or edx,edx |
157 | heavyiron | 1875 | jz resource_name_found |
1876 | xor ecx,ecx |
||
1877 | compare_with_current_resource_name: |
||
31 | halyavin | 1878 | mov ax,[esi+ecx] |
157 | heavyiron | 1879 | cmp ax,[edx+ecx] |
1880 | ja check_next_resource_name |
||
1881 | jb resource_name_found |
||
1882 | add ecx,2 |
||
1883 | mov ax,[esi+ecx] |
||
1884 | or ax,[edx+ecx] |
||
1885 | jnz compare_with_current_resource_name |
||
1886 | jmp same_resource_name |
||
1887 | resource_name_found: |
||
31 | halyavin | 1888 | mov edx,esi |
157 | heavyiron | 1889 | same_resource_name: |
31 | halyavin | 1890 | mov eax,[esp] |
157 | heavyiron | 1891 | mov [eax+8],edi |
1892 | check_next_resource_name: |
||
31 | halyavin | 1893 | pop esi |
157 | heavyiron | 1894 | mov eax,[esi+16] |
1895 | lea esi,[esi+20+eax] |
||
1896 | jmp find_resource_name |
||
1897 | resource_name_ok: |
||
31 | halyavin | 1898 | or edx,edx |
157 | heavyiron | 1899 | jz resource_name_directory_done |
1900 | mov ebx,edx |
||
1901 | make_resource_name_entry: |
||
31 | halyavin | 1902 | mov eax,[esp] |
157 | heavyiron | 1903 | inc word [eax+12] |
1904 | lea eax,[edi+8] |
||
1905 | cmp eax,[display_buffer] |
||
1906 | jae out_of_memory |
||
1907 | mov eax,ebx |
||
1908 | stos dword [edi] |
||
1909 | xor eax,eax |
||
1910 | stos dword [edi] |
||
1911 | jmp make_resource_name_directory |
||
1912 | resource_name_directory_done: |
||
31 | halyavin | 1913 | mov ebx,-1 |
157 | heavyiron | 1914 | make_resource_id_directory: |
31 | halyavin | 1915 | mov esi,[free_additional_memory] |
157 | heavyiron | 1916 | mov edx,10000h |
1917 | find_resource_id: |
||
31 | halyavin | 1918 | cmp dword [esi],0 |
157 | heavyiron | 1919 | je resource_id_ok |
1920 | push esi |
||
1921 | cmp [esi+4],ebp |
||
1922 | jne check_next_resource_id |
||
1923 | add esi,20 |
||
1924 | call skip_resource_name |
||
1925 | cmp word [esi],0FFFFh |
||
1926 | jne check_next_resource_id |
||
1927 | movzx eax,word [esi+2] |
||
1928 | cmp eax,ebx |
||
1929 | jle check_next_resource_id |
||
1930 | cmp eax,edx |
||
1931 | jg check_next_resource_id |
||
1932 | mov edx,eax |
||
1933 | mov eax,[esp] |
||
1934 | mov [eax+8],edi |
||
1935 | check_next_resource_id: |
||
31 | halyavin | 1936 | pop esi |
157 | heavyiron | 1937 | mov eax,[esi+16] |
1938 | lea esi,[esi+20+eax] |
||
1939 | jmp find_resource_id |
||
1940 | resource_id_ok: |
||
31 | halyavin | 1941 | cmp edx,10000h |
157 | heavyiron | 1942 | je resource_id_directory_done |
1943 | mov ebx,edx |
||
1944 | make_resource_id_entry: |
||
31 | halyavin | 1945 | mov eax,[esp] |
157 | heavyiron | 1946 | inc word [eax+14] |
1947 | lea eax,[edi+8] |
||
1948 | cmp eax,[display_buffer] |
||
1949 | jae out_of_memory |
||
1950 | mov eax,ebx |
||
1951 | stos dword [edi] |
||
1952 | xor eax,eax |
||
1953 | stos dword [edi] |
||
1954 | jmp make_resource_id_directory |
||
1955 | resource_id_directory_done: |
||
31 | halyavin | 1956 | pop eax |
157 | heavyiron | 1957 | mov esi,ebp |
1958 | pop ecx |
||
1959 | add esi,8 |
||
1960 | dec cx |
||
1961 | jnz make_resource_directories |
||
1962 | resource_directories_ok: |
||
31 | halyavin | 1963 | shr ecx,16 |
157 | heavyiron | 1964 | jnz make_resource_directories |
1965 | mov esi,[resource_data] |
||
1966 | add esi,10h |
||
1967 | movzx eax,word [esi-4] |
||
1968 | movzx edx,word [esi-2] |
||
1969 | add eax,edx |
||
1970 | lea esi,[esi+eax*8] |
||
1971 | push edi ; address of language directories |
||
1972 | update_resource_directories: |
||
31 | halyavin | 1973 | cmp esi,[esp] |
157 | heavyiron | 1974 | je resource_directories_updated |
1975 | add esi,10h |
||
1976 | mov ecx,[esi-4] |
||
1977 | or cx,cx |
||
1978 | jz language_directories_ok |
||
1979 | make_language_directories: |
||
31 | halyavin | 1980 | push ecx |
157 | heavyiron | 1981 | push edi |
1982 | mov edx,edi |
||
1983 | sub edx,[resource_data] |
||
1984 | bts edx,31 |
||
1985 | mov [esi+4],edx |
||
1986 | lea eax,[edi+16] |
||
1987 | cmp eax,[display_buffer] |
||
1988 | jae out_of_memory |
||
1989 | xor eax,eax |
||
1990 | stos dword [edi] |
||
1991 | call make_timestamp |
||
1992 | stos dword [edi] |
||
1993 | xor eax,eax |
||
1994 | stos dword [edi] |
||
1995 | stos dword [edi] |
||
1996 | mov ebp,esi |
||
1997 | mov ebx,-1 |
||
1998 | make_language_id_directory: |
||
31 | halyavin | 1999 | mov esi,[free_additional_memory] |
157 | heavyiron | 2000 | mov edx,10000h |
2001 | find_language_id: |
||
31 | halyavin | 2002 | cmp dword [esi],0 |
157 | heavyiron | 2003 | je language_id_ok |
2004 | push esi |
||
2005 | cmp [esi+8],ebp |
||
2006 | jne check_next_language_id |
||
2007 | add esi,20 |
||
2008 | mov eax,esi |
||
2009 | call skip_resource_name |
||
2010 | call skip_resource_name |
||
2011 | neg eax |
||
2012 | add eax,esi |
||
2013 | and eax,11b |
||
2014 | add esi,eax |
||
2015 | get_language_id: |
||
31 | halyavin | 2016 | movzx eax,word [esi+6] |
157 | heavyiron | 2017 | cmp eax,ebx |
2018 | jle check_next_language_id |
||
2019 | cmp eax,edx |
||
2020 | jge check_next_language_id |
||
2021 | mov edx,eax |
||
2022 | mov eax,[esp] |
||
2023 | mov dword [value],eax |
||
992 | heavyiron | 2024 | check_next_language_id: |
31 | halyavin | 2025 | pop esi |
157 | heavyiron | 2026 | mov eax,[esi+16] |
2027 | lea esi,[esi+20+eax] |
||
2028 | jmp find_language_id |
||
2029 | language_id_ok: |
||
31 | halyavin | 2030 | cmp edx,10000h |
157 | heavyiron | 2031 | je language_id_directory_done |
2032 | mov ebx,edx |
||
2033 | make_language_id_entry: |
||
31 | halyavin | 2034 | mov eax,[esp] |
157 | heavyiron | 2035 | inc word [eax+14] |
2036 | lea eax,[edi+8] |
||
2037 | cmp eax,[display_buffer] |
||
2038 | jae out_of_memory |
||
2039 | mov eax,ebx |
||
2040 | stos dword [edi] |
||
2041 | mov eax,dword [value] |
||
992 | heavyiron | 2042 | stos dword [edi] |
157 | heavyiron | 2043 | jmp make_language_id_directory |
2044 | language_id_directory_done: |
||
31 | halyavin | 2045 | pop eax |
157 | heavyiron | 2046 | mov esi,ebp |
2047 | pop ecx |
||
2048 | add esi,8 |
||
2049 | dec cx |
||
2050 | jnz make_language_directories |
||
2051 | language_directories_ok: |
||
31 | halyavin | 2052 | shr ecx,16 |
157 | heavyiron | 2053 | jnz make_language_directories |
2054 | jmp update_resource_directories |
||
2055 | resource_directories_updated: |
||
31 | halyavin | 2056 | mov esi,[resource_data] |
157 | heavyiron | 2057 | push edi |
2058 | make_name_strings: |
||
31 | halyavin | 2059 | add esi,10h |
157 | heavyiron | 2060 | movzx eax,word [esi-2] |
2061 | movzx ecx,word [esi-4] |
||
2062 | add eax,ecx |
||
2063 | lea eax,[esi+eax*8] |
||
2064 | push eax |
||
2065 | or ecx,ecx |
||
2066 | jz string_entries_processed |
||
2067 | process_string_entries: |
||
31 | halyavin | 2068 | push ecx |
157 | heavyiron | 2069 | mov edx,edi |
2070 | sub edx,[resource_data] |
||
2071 | bts edx,31 |
||
2072 | xchg [esi],edx |
||
2073 | mov ebx,edi |
||
2074 | xor ax,ax |
||
2075 | stos word [edi] |
||
2076 | copy_string_data: |
||
31 | halyavin | 2077 | lea eax,[edi+2] |
157 | heavyiron | 2078 | cmp eax,[display_buffer] |
2079 | jae out_of_memory |
||
2080 | mov ax,[edx] |
||
2081 | or ax,ax |
||
2082 | jz string_data_copied |
||
2083 | stos word [edi] |
||
2084 | inc word [ebx] |
||
2085 | add edx,2 |
||
2086 | jmp copy_string_data |
||
2087 | string_data_copied: |
||
31 | halyavin | 2088 | add esi,8 |
157 | heavyiron | 2089 | pop ecx |
2090 | loop process_string_entries |
||
2091 | string_entries_processed: |
||
31 | halyavin | 2092 | pop esi |
157 | heavyiron | 2093 | cmp esi,[esp] |
2094 | jb make_name_strings |
||
2095 | mov eax,edi |
||
2096 | sub eax,[resource_data] |
||
2097 | test al,11b |
||
2098 | jz resource_strings_alignment_ok |
||
2099 | xor ax,ax |
||
2100 | stos word [edi] |
||
2101 | resource_strings_alignment_ok: |
||
31 | halyavin | 2102 | pop edx |
157 | heavyiron | 2103 | pop ebx ; address of language directories |
2104 | mov ebp,edi |
||
2105 | update_language_directories: |
||
31 | halyavin | 2106 | add ebx,10h |
157 | heavyiron | 2107 | movzx eax,word [ebx-2] |
2108 | movzx ecx,word [ebx-4] |
||
2109 | add ecx,eax |
||
2110 | make_data_records: |
||
31 | halyavin | 2111 | push ecx |
157 | heavyiron | 2112 | mov esi,edi |
2113 | sub esi,[resource_data] |
||
2114 | xchg esi,[ebx+4] |
||
2115 | lea eax,[edi+16] |
||
2116 | cmp eax,[display_buffer] |
||
2117 | jae out_of_memory |
||
2118 | mov eax,esi |
||
2119 | stos dword [edi] |
||
2120 | mov eax,[esi+12] |
||
2121 | stos dword [edi] |
||
2122 | xor eax,eax |
||
2123 | stos dword [edi] |
||
2124 | stos dword [edi] |
||
2125 | pop ecx |
||
2126 | add ebx,8 |
||
2127 | loop make_data_records |
||
2128 | cmp ebx,edx |
||
2129 | jb update_language_directories |
||
2130 | pop ebx ; file handle |
||
2131 | mov esi,ebp |
||
2132 | mov ebp,edi |
||
2133 | update_data_records: |
||
31 | halyavin | 2134 | push ebp |
157 | heavyiron | 2135 | mov ecx,edi |
2136 | mov eax,[current_section] |
||
2137 | sub ecx,[eax+14h] |
||
2138 | add ecx,[eax+0Ch] |
||
2139 | xchg ecx,[esi] |
||
2140 | mov edx,[ecx] |
||
2141 | xor al,al |
||
2142 | call lseek |
||
2143 | mov edx,edi |
||
2144 | mov ecx,[esi+4] |
||
2145 | add edi,ecx |
||
2146 | cmp edi,[display_buffer] |
||
2147 | ja out_of_memory |
||
2148 | call read |
||
2149 | mov eax,edi |
||
2150 | sub eax,[resource_data] |
||
2151 | and eax,11b |
||
2152 | jz resource_data_alignment_ok |
||
2153 | mov ecx,4 |
||
2154 | sub ecx,eax |
||
2155 | xor al,al |
||
2156 | rep stos byte [edi] |
||
2157 | resource_data_alignment_ok: |
||
31 | halyavin | 2158 | pop ebp |
157 | heavyiron | 2159 | add esi,16 |
2160 | cmp esi,ebp |
||
2161 | jb update_data_records |
||
2162 | pop esi |
||
2163 | call close |
||
2164 | mov eax,edi |
||
2165 | sub eax,[resource_data] |
||
2166 | mov [resource_size],eax |
||
2167 | resource_done: |
||
31 | halyavin | 2168 | ret |
157 | heavyiron | 2169 | close_pe: |
31 | halyavin | 2170 | call close_pe_section |
157 | heavyiron | 2171 | mov edx,[code_start] |
2172 | mov [edx+50h],eax |
||
2173 | call make_timestamp |
||
2174 | mov edx,[code_start] |
||
2175 | mov [edx+8],eax |
||
2176 | mov eax,[number_of_relocations] |
||
2177 | cmp eax,-1 |
||
2178 | je pe_relocations_ok |
||
2179 | shl eax,2 |
||
2180 | sub [free_additional_memory],eax |
||
2181 | btr [resolver_flags],0 |
||
2182 | jnc pe_relocations_ok |
||
2183 | or [next_pass_needed],-1 |
||
2184 | pe_relocations_ok: |
||
109 | heavyiron | 2185 | mov eax,[number_of_sections] |
157 | heavyiron | 2186 | mov [edx+6],ax |
2187 | imul eax,28h |
||
2188 | movzx ecx,word [edx+14h] |
||
2189 | lea eax,[eax+18h+ecx] |
||
2190 | add eax,[stub_size] |
||
2191 | mov ecx,[edx+3Ch] |
||
2192 | dec ecx |
||
2193 | add eax,ecx |
||
2194 | not ecx |
||
2195 | and eax,ecx |
||
2196 | cmp eax,[edx+54h] |
||
2197 | je pe_sections_ok |
||
2198 | or [next_pass_needed],-1 |
||
2199 | pe_sections_ok: |
||
31 | halyavin | 2200 | xor ecx,ecx |
157 | heavyiron | 2201 | add edx,78h |
2202 | test [format_flags],8 |
||
2203 | jz process_directories |
||
2204 | add edx,10h |
||
2205 | process_directories: |
||
31 | halyavin | 2206 | mov eax,[edx+ecx*8] |
157 | heavyiron | 2207 | or eax,eax |
2208 | jz directory_ok |
||
2209 | cmp dword [edx+ecx*8+4],-1 |
||
2210 | jne directory_ok |
||
2211 | section_data: |
||
31 | halyavin | 2212 | mov ebx,[edx+ecx*8] |
157 | heavyiron | 2213 | mov eax,[ebx+0Ch] |
2214 | mov [edx+ecx*8],eax ; directory rva |
||
2215 | mov eax,[ebx+8] |
||
2216 | mov [edx+ecx*8+4],eax ; directory size |
||
2217 | directory_ok: |
||
31 | halyavin | 2218 | inc cl |
157 | heavyiron | 2219 | cmp cl,10h |
2220 | jb process_directories |
||
2221 | mov ebx,[code_start] |
||
2222 | sub ebx,[stub_size] |
||
2223 | mov ecx,edi |
||
2224 | sub ecx,ebx |
||
2225 | mov ebp,ecx |
||
2226 | shr ecx,1 |
||
2227 | xor eax,eax |
||
2228 | cdq |
||
2229 | calculate_checksum: |
||
31 | halyavin | 2230 | mov dx,[ebx] |
157 | heavyiron | 2231 | add eax,edx |
2232 | mov dx,ax |
||
2233 | shr eax,16 |
||
2234 | add eax,edx |
||
2235 | add ebx,2 |
||
2236 | loop calculate_checksum |
||
2237 | add eax,ebp |
||
2238 | mov ebx,[code_start] |
||
2239 | mov [ebx+58h],eax |
||
2240 | ret |
||
2241 | |||
31 | halyavin | 2242 | |
2243 | mov eax,[additional_memory] |
||
157 | heavyiron | 2244 | mov [symbols_stream],eax |
2245 | mov ebx,eax |
||
2246 | add eax,20h |
||
2247 | cmp eax,[structures_buffer] |
||
2248 | jae out_of_memory |
||
2249 | mov [free_additional_memory],eax |
||
2250 | xor eax,eax |
||
2251 | mov [ebx],al |
||
2252 | mov [ebx+4],eax |
||
2253 | mov [ebx+8],edi |
||
2254 | mov al,4 |
||
2255 | mov [ebx+10h],eax |
||
2256 | mov al,60h |
||
2257 | bt [format_flags],0 |
||
2258 | jnc flat_section_flags_ok |
||
2259 | or eax,0E0000000h |
||
2260 | flat_section_flags_ok: |
||
31 | halyavin | 2261 | mov dword [ebx+14h],eax |
157 | heavyiron | 2262 | mov [current_section],ebx |
2263 | mov [number_of_sections],0 |
||
2264 | mov dword [org_origin],edi |
||
2265 | mov dword [org_origin+4],0 |
||
2266 | mov [org_registers],0 |
||
2267 | mov [org_start],edi |
||
2268 | mov [org_symbol],ebx |
||
2269 | mov [labels_type],2 |
||
2270 | mov [code_type],32 |
||
2271 | test [format_flags],8 |
||
2272 | jz format_defined |
||
607 | heavyiron | 2273 | mov [labels_type],4 |
157 | heavyiron | 2274 | mov [code_type],64 |
2275 | jmp format_defined |
||
607 | heavyiron | 2276 | coff_section: |
31 | halyavin | 2277 | call close_coff_section |
157 | heavyiron | 2278 | mov ebx,[free_additional_memory] |
2279 | lea eax,[ebx+20h] |
||
2280 | cmp eax,[structures_buffer] |
||
2281 | jae out_of_memory |
||
2282 | mov [free_additional_memory],eax |
||
2283 | mov [current_section],ebx |
||
2284 | inc [number_of_sections] |
||
2285 | xor eax,eax |
||
2286 | mov [ebx],al |
||
2287 | mov [ebx+8],edi |
||
2288 | mov dword [org_origin],edi |
||
2289 | mov dword [org_origin+4],0 |
||
2290 | mov [org_registers],0 |
||
2291 | mov [org_start],edi |
||
2292 | mov [org_symbol],ebx |
||
2293 | mov [labels_type],2 |
||
2294 | test [format_flags],8 |
||
2295 | jz coff_labels_type_ok |
||
2296 | mov [labels_type],4 |
||
2297 | coff_labels_type_ok: |
||
31 | halyavin | 2298 | mov [ebx+10h],eax |
157 | heavyiron | 2299 | mov [ebx+14h],eax |
2300 | lods word [esi] |
||
2301 | cmp ax,'(' |
||
2302 | jne invalid_argument |
||
2303 | mov [ebx+4],esi |
||
2304 | mov ecx,[esi] |
||
2305 | lea esi,[esi+4+ecx+1] |
||
2306 | cmp ecx,8 |
||
2307 | ja name_too_long |
||
2308 | coff_section_flags: |
||
31 | halyavin | 2309 | cmp byte [esi],1Ch |
157 | heavyiron | 2310 | je coff_section_alignment |
2311 | cmp byte [esi],19h |
||
2312 | jne coff_section_settings_ok |
||
2313 | inc esi |
||
2314 | lods byte [esi] |
||
2315 | bt [format_flags],0 |
||
2316 | jc coff_section_flag_ok |
||
2317 | cmp al,7 |
||
2318 | ja invalid_argument |
||
2319 | coff_section_flag_ok: |
||
31 | halyavin | 2320 | mov cl,al |
157 | heavyiron | 2321 | mov eax,1 |
2322 | shl eax,cl |
||
2323 | test dword [ebx+14h],eax |
||
2324 | jnz setting_already_specified |
||
2325 | or dword [ebx+14h],eax |
||
2326 | jmp coff_section_flags |
||
2327 | coff_section_alignment: |
||
31 | halyavin | 2328 | bt [format_flags],0 |
157 | heavyiron | 2329 | jnc invalid_argument |
2330 | inc esi |
||
2331 | lods byte [esi] |
||
2332 | or al,al |
||
2333 | jnz invalid_argument |
||
2334 | lods byte [esi] |
||
2335 | cmp al,'(' |
||
2336 | jne invalid_argument |
||
2337 | cmp byte [esi],'.' |
||
2338 | je invalid_value |
||
2339 | push ebx |
||
2340 | call get_dword_value |
||
2341 | pop ebx |
||
2342 | cmp [value_type],0 |
||
2343 | jne invalid_use_of_symbol |
||
2344 | mov edx,eax |
||
2345 | dec edx |
||
2346 | test eax,edx |
||
2347 | jnz invalid_value |
||
2348 | or eax,eax |
||
2349 | jz invalid_value |
||
2350 | cmp eax,2000h |
||
2351 | ja invalid_value |
||
2352 | bsf edx,eax |
||
2353 | inc edx |
||
2354 | shl edx,20 |
||
2355 | or [ebx+14h],edx |
||
2356 | xchg [ebx+10h],eax |
||
2357 | or eax,eax |
||
2358 | jnz setting_already_specified |
||
2359 | jmp coff_section_flags |
||
2360 | coff_section_settings_ok: |
||
31 | halyavin | 2361 | cmp dword [ebx+10h],0 |
157 | heavyiron | 2362 | jne instruction_assembled |
2363 | mov dword [ebx+10h],4 |
||
2364 | bt [format_flags],0 |
||
2365 | jnc instruction_assembled |
||
2366 | or dword [ebx+14h],300000h |
||
2367 | jmp instruction_assembled |
||
2368 | close_coff_section: |
||
31 | halyavin | 2369 | mov ebx,[current_section] |
157 | heavyiron | 2370 | mov eax,edi |
2371 | mov edx,[ebx+8] |
||
2372 | sub eax,edx |
||
2373 | mov [ebx+0Ch],eax |
||
2374 | xor eax,eax |
||
2375 | xchg [undefined_data_end],eax |
||
2376 | cmp eax,edi |
||
2377 | jne coff_section_ok |
||
2378 | cmp edx,[undefined_data_start] |
||
2379 | jne coff_section_ok |
||
2380 | mov edi,edx |
||
2381 | or byte [ebx+14h],80h |
||
2382 | coff_section_ok: |
||
31 | halyavin | 2383 | ret |
157 | heavyiron | 2384 | mark_coff_relocation: |
31 | halyavin | 2385 | cmp [value_type],3 |
157 | heavyiron | 2386 | je coff_relocation_relative |
2387 | push ebx eax |
||
2388 | test [format_flags],8 |
||
2389 | jnz coff_64bit_relocation |
||
2390 | mov al,6 |
||
2391 | cmp [value_type],5 |
||
992 | heavyiron | 2392 | jne coff_relocation |
2393 | inc al |
||
2394 | jmp coff_relocation |
||
157 | heavyiron | 2395 | coff_64bit_relocation: |
31 | halyavin | 2396 | mov al,1 |
157 | heavyiron | 2397 | cmp [value_type],4 |
2398 | je coff_relocation |
||
2399 | mov al,2 |
||
2400 | cmp [value_type],5 |
||
992 | heavyiron | 2401 | jne coff_relocation |
2402 | inc al |
||
2403 | jmp coff_relocation |
||
157 | heavyiron | 2404 | coff_relocation_relative: |
31 | halyavin | 2405 | push ebx |
157 | heavyiron | 2406 | bt [format_flags],0 |
2407 | jnc relative_ok |
||
2408 | mov ebx,[current_section] |
||
2409 | mov ebx,[ebx+8] |
||
2410 | sub ebx,edi |
||
2411 | sub eax,ebx |
||
2412 | add eax,4 |
||
2413 | relative_ok: |
||
31 | halyavin | 2414 | push eax |
157 | heavyiron | 2415 | mov al,20 |
2416 | test [format_flags],8 |
||
2417 | jnz relative_coff_64bit_relocation |
||
2418 | cmp [labels_type],2 |
||
2419 | jne invalid_use_of_symbol |
||
2420 | jmp coff_relocation |
||
2421 | relative_coff_64bit_relocation: |
||
31 | halyavin | 2422 | mov al,4 |
157 | heavyiron | 2423 | cmp [labels_type],4 |
2424 | jne invalid_use_of_symbol |
||
2425 | coff_relocation: |
||
31 | halyavin | 2426 | mov ebx,[free_additional_memory] |
157 | heavyiron | 2427 | add ebx,0Ch |
2428 | cmp ebx,[structures_buffer] |
||
2429 | jae out_of_memory |
||
2430 | mov [free_additional_memory],ebx |
||
2431 | mov byte [ebx-0Ch],al |
||
2432 | mov eax,[current_section] |
||
2433 | mov eax,[eax+8] |
||
2434 | neg eax |
||
2435 | add eax,edi |
||
2436 | mov [ebx-0Ch+4],eax |
||
2437 | mov eax,[symbol_identifier] |
||
2438 | mov [ebx-0Ch+8],eax |
||
2439 | pop eax ebx |
||
2440 | ret |
||
2441 | close_coff: |
||
31 | halyavin | 2442 | call close_coff_section |
157 | heavyiron | 2443 | cmp [next_pass_needed],0 |
2444 | je coff_closed |
||
2445 | mov eax,[symbols_stream] |
||
2446 | mov [free_additional_memory],eax |
||
2447 | coff_closed: |
||
31 | halyavin | 2448 | ret |
157 | heavyiron | 2449 | coff_formatter: |
31 | halyavin | 2450 | sub edi,[code_start] |
157 | heavyiron | 2451 | mov [code_size],edi |
2452 | call prepare_default_section |
||
2453 | mov edi,[free_additional_memory] |
||
2454 | mov ebx,edi |
||
2455 | mov ecx,28h shr 2 |
||
2456 | imul ecx,[number_of_sections] |
||
2457 | add ecx,14h shr 2 |
||
2458 | lea eax,[edi+ecx*4] |
||
2459 | cmp eax,[structures_buffer] |
||
2460 | jae out_of_memory |
||
2461 | xor eax,eax |
||
2462 | rep stos dword [edi] |
||
2463 | mov word [ebx],14Ch |
||
2464 | test [format_flags],8 |
||
2465 | jz coff_magic_ok |
||
2466 | mov word [ebx],8664h |
||
2467 | coff_magic_ok: |
||
31 | halyavin | 2468 | mov word [ebx+12h],104h |
157 | heavyiron | 2469 | bt [format_flags],0 |
2470 | jnc coff_flags_ok |
||
2471 | or byte [ebx+12h],80h |
||
2472 | coff_flags_ok: |
||
31 | halyavin | 2473 | push ebx |
157 | heavyiron | 2474 | call make_timestamp |
2475 | pop ebx |
||
2476 | mov [ebx+4],eax |
||
2477 | mov eax,[number_of_sections] |
||
2478 | mov [ebx+2],ax |
||
2479 | mov esi,[symbols_stream] |
||
2480 | xor eax,eax |
||
2481 | xor ecx,ecx |
||
2482 | enumerate_symbols: |
||
31 | halyavin | 2483 | cmp esi,[free_additional_memory] |
157 | heavyiron | 2484 | je symbols_enumerated |
2485 | mov dl,[esi] |
||
2486 | or dl,dl |
||
2487 | jz enumerate_section |
||
2488 | cmp dl,0C0h |
||
624 | heavyiron | 2489 | jae enumerate_public |
2490 | cmp dl,80h |
||
157 | heavyiron | 2491 | jae enumerate_extrn |
624 | heavyiron | 2492 | add esi,0Ch |
157 | heavyiron | 2493 | jmp enumerate_symbols |
2494 | enumerate_section: |
||
31 | halyavin | 2495 | mov edx,eax |
157 | heavyiron | 2496 | shl edx,8 |
2497 | mov [esi],edx |
||
2498 | inc eax |
||
2499 | inc ecx |
||
2500 | mov [esi+1Eh],cx |
||
2501 | add esi,20h |
||
2502 | jmp enumerate_symbols |
||
2503 | enumerate_public: |
||
31 | halyavin | 2504 | mov edx,eax |
157 | heavyiron | 2505 | shl edx,8 |
2506 | mov dl,[esi] |
||
624 | heavyiron | 2507 | mov [esi],edx |
157 | heavyiron | 2508 | mov edx,[esi+8] |
2509 | add esi,10h |
||
2510 | inc eax |
||
2511 | cmp byte [edx+11],2 |
||
2512 | jne enumerate_symbols |
||
2513 | mov edx,[edx+20] |
||
2514 | cmp byte [edx],0C0h |
||
624 | heavyiron | 2515 | jae enumerate_symbols |
2516 | cmp byte [edx],80h |
||
2517 | jb enumerate_symbols |
||
2518 | inc eax |
||
157 | heavyiron | 2519 | jmp enumerate_symbols |
2520 | enumerate_extrn: |
||
31 | halyavin | 2521 | mov edx,eax |
157 | heavyiron | 2522 | shl edx,8 |
2523 | mov dl,[esi] |
||
624 | heavyiron | 2524 | mov [esi],edx |
157 | heavyiron | 2525 | add esi,0Ch |
2526 | inc eax |
||
2527 | jmp enumerate_symbols |
||
2528 | prepare_default_section: |
||
31 | halyavin | 2529 | mov ebx,[symbols_stream] |
157 | heavyiron | 2530 | cmp dword [ebx+0Ch],0 |
2531 | jne default_section_ok |
||
2532 | cmp [number_of_sections],0 |
||
2533 | je default_section_ok |
||
2534 | mov edx,ebx |
||
2535 | find_references_to_default_section: |
||
31 | halyavin | 2536 | cmp ebx,[free_additional_memory] |
157 | heavyiron | 2537 | jne check_reference |
2538 | add [symbols_stream],20h |
||
2539 | ret |
||
2540 | check_reference: |
||
31 | halyavin | 2541 | mov al,[ebx] |
157 | heavyiron | 2542 | or al,al |
2543 | jz skip_other_section |
||
2544 | cmp al,0C0h |
||
624 | heavyiron | 2545 | jae check_public_reference |
2546 | cmp al,80h |
||
157 | heavyiron | 2547 | jae next_reference |
624 | heavyiron | 2548 | cmp edx,[ebx+8] |
157 | heavyiron | 2549 | je default_section_ok |
2550 | next_reference: |
||
31 | halyavin | 2551 | add ebx,0Ch |
157 | heavyiron | 2552 | jmp find_references_to_default_section |
2553 | check_public_reference: |
||
31 | halyavin | 2554 | mov eax,[ebx+8] |
157 | heavyiron | 2555 | add ebx,10h |
2556 | test byte [eax+8],1 |
||
2557 | jz find_references_to_default_section |
||
2558 | mov cx,[current_pass] |
||
2559 | cmp cx,[eax+16] |
||
2560 | jne find_references_to_default_section |
||
2561 | cmp edx,[eax+20] |
||
2562 | je default_section_ok |
||
2563 | jmp find_references_to_default_section |
||
2564 | skip_other_section: |
||
31 | halyavin | 2565 | add ebx,20h |
157 | heavyiron | 2566 | jmp find_references_to_default_section |
2567 | default_section_ok: |
||
31 | halyavin | 2568 | inc [number_of_sections] |
157 | heavyiron | 2569 | ret |
2570 | symbols_enumerated: |
||
31 | halyavin | 2571 | mov [ebx+0Ch],eax |
157 | heavyiron | 2572 | mov ebp,edi |
2573 | sub ebp,ebx |
||
2574 | push ebp |
||
2575 | lea edi,[ebx+14h] |
||
2576 | mov esi,[symbols_stream] |
||
2577 | find_section: |
||
31 | halyavin | 2578 | cmp esi,[free_additional_memory] |
157 | heavyiron | 2579 | je sections_finished |
2580 | mov al,[esi] |
||
2581 | or al,al |
||
2582 | jz section_found |
||
2583 | add esi,0Ch |
||
2584 | cmp al,0C0h |
||
624 | heavyiron | 2585 | jb find_section |
2586 | add esi,4 |
||
157 | heavyiron | 2587 | jmp find_section |
2588 | section_found: |
||
31 | halyavin | 2589 | push esi edi |
157 | heavyiron | 2590 | mov esi,[esi+4] |
2591 | or esi,esi |
||
2592 | jz default_section |
||
2593 | mov ecx,[esi] |
||
2594 | add esi,4 |
||
2595 | rep movs byte [edi],[esi] |
||
2596 | jmp section_name_ok |
||
2597 | default_section: |
||
31 | halyavin | 2598 | mov al,'.' |
157 | heavyiron | 2599 | stos byte [edi] |
2600 | mov eax,'flat' |
||
2601 | stos dword [edi] |
||
2602 | section_name_ok: |
||
31 | halyavin | 2603 | pop edi esi |
157 | heavyiron | 2604 | mov eax,[esi+0Ch] |
2605 | mov [edi+10h],eax |
||
2606 | mov eax,[esi+14h] |
||
2607 | mov [edi+24h],eax |
||
2608 | test al,80h |
||
2609 | jnz section_ptr_ok |
||
2610 | mov eax,[esi+8] |
||
2611 | sub eax,[code_start] |
||
2612 | add eax,ebp |
||
2613 | mov [edi+14h],eax |
||
2614 | section_ptr_ok: |
||
31 | halyavin | 2615 | mov ebx,[code_start] |
157 | heavyiron | 2616 | mov edx,[code_size] |
2617 | add ebx,edx |
||
2618 | add edx,ebp |
||
2619 | xor ecx,ecx |
||
2620 | add esi,20h |
||
2621 | find_relocations: |
||
31 | halyavin | 2622 | cmp esi,[free_additional_memory] |
157 | heavyiron | 2623 | je section_relocations_done |
2624 | mov al,[esi] |
||
2625 | or al,al |
||
2626 | jz section_relocations_done |
||
2627 | cmp al,80h |
||
2628 | jb add_relocation |
||
2629 | cmp al,0C0h |
||
624 | heavyiron | 2630 | jb next_relocation |
2631 | add esi,10h |
||
157 | heavyiron | 2632 | jmp find_relocations |
2633 | add_relocation: |
||
31 | halyavin | 2634 | lea eax,[ebx+0Ah] |
157 | heavyiron | 2635 | cmp eax,[display_buffer] |
2636 | ja out_of_memory |
||
2637 | mov eax,[esi+4] |
||
2638 | mov [ebx],eax |
||
2639 | mov eax,[esi+8] |
||
2640 | mov eax,[eax] |
||
2641 | shr eax,8 |
||
2642 | mov [ebx+4],eax |
||
2643 | movzx ax,byte [esi] |
||
2644 | mov [ebx+8],ax |
||
2645 | add ebx,0Ah |
||
2646 | inc ecx |
||
2647 | next_relocation: |
||
31 | halyavin | 2648 | add esi,0Ch |
157 | heavyiron | 2649 | jmp find_relocations |
2650 | section_relocations_done: |
||
31 | halyavin | 2651 | cmp ecx,10000h |
157 | heavyiron | 2652 | jb section_relocations_count_16bit |
2653 | bt [format_flags],0 |
||
2654 | jnc format_limitations_exceeded |
||
2655 | mov word [edi+20h],0FFFFh |
||
2656 | or dword [edi+24h],1000000h |
||
2657 | mov [edi+18h],edx |
||
2658 | push esi edi |
||
2659 | push ecx |
||
2660 | lea esi,[ebx-1] |
||
2661 | add ebx,0Ah |
||
2662 | lea edi,[ebx-1] |
||
2663 | imul ecx,0Ah |
||
2664 | std |
||
2665 | rep movs byte [edi],[esi] |
||
2666 | cld |
||
2667 | pop ecx |
||
2668 | inc esi |
||
2669 | inc ecx |
||
2670 | mov [esi],ecx |
||
2671 | xor eax,eax |
||
2672 | mov [esi+4],eax |
||
2673 | mov [esi+8],ax |
||
2674 | pop edi esi |
||
2675 | jmp section_relocations_ok |
||
2676 | section_relocations_count_16bit: |
||
31 | halyavin | 2677 | mov [edi+20h],cx |
157 | heavyiron | 2678 | jcxz section_relocations_ok |
2679 | mov [edi+18h],edx |
||
2680 | section_relocations_ok: |
||
31 | halyavin | 2681 | sub ebx,[code_start] |
157 | heavyiron | 2682 | mov [code_size],ebx |
2683 | add edi,28h |
||
2684 | jmp find_section |
||
2685 | sections_finished: |
||
31 | halyavin | 2686 | mov edx,[free_additional_memory] |
157 | heavyiron | 2687 | mov ebx,[code_size] |
2688 | add ebp,ebx |
||
2689 | mov [edx+8],ebp |
||
2690 | add ebx,[code_start] |
||
2691 | mov edi,ebx |
||
2692 | mov ecx,[edx+0Ch] |
||
2693 | imul ecx,12h shr 1 |
||
2694 | xor eax,eax |
||
2695 | shr ecx,1 |
||
2696 | jnc zero_symbols_table |
||
2697 | stos word [edi] |
||
2698 | zero_symbols_table: |
||
31 | halyavin | 2699 | rep stos dword [edi] |
157 | heavyiron | 2700 | mov edx,edi |
2701 | stos dword [edi] |
||
2702 | mov esi,[symbols_stream] |
||
2703 | make_symbols_table: |
||
109 | heavyiron | 2704 | cmp esi,[free_additional_memory] |
157 | heavyiron | 2705 | je symbols_table_ok |
2706 | mov al,[esi] |
||
2707 | cmp al,0C0h |
||
624 | heavyiron | 2708 | jae add_public_symbol |
2709 | cmp al,80h |
||
157 | heavyiron | 2710 | jae add_extrn_symbol |
624 | heavyiron | 2711 | or al,al |
157 | heavyiron | 2712 | jz add_section_symbol |
2713 | add esi,0Ch |
||
2714 | jmp make_symbols_table |
||
2715 | add_section_symbol: |
||
31 | halyavin | 2716 | call store_symbol_name |
157 | heavyiron | 2717 | movzx eax,word [esi+1Eh] |
2718 | mov [ebx+0Ch],ax |
||
2719 | mov byte [ebx+10h],3 |
||
2720 | add esi,20h |
||
2721 | add ebx,12h |
||
2722 | jmp make_symbols_table |
||
2723 | add_extrn_symbol: |
||
31 | halyavin | 2724 | call store_symbol_name |
157 | heavyiron | 2725 | mov byte [ebx+10h],2 |
2726 | add esi,0Ch |
||
2727 | add ebx,12h |
||
2728 | jmp make_symbols_table |
||
2729 | add_public_symbol: |
||
31 | halyavin | 2730 | call store_symbol_name |
157 | heavyiron | 2731 | mov eax,[esi+0Ch] |
2732 | mov [current_line],eax |
||
2733 | mov eax,[esi+8] |
||
2734 | test byte [eax+8],1 |
||
2735 | jz undefined_coff_public |
||
692 | heavyiron | 2736 | mov cx,[current_pass] |
157 | heavyiron | 2737 | cmp cx,[eax+16] |
2738 | jne undefined_coff_public |
||
692 | heavyiron | 2739 | mov cl,[eax+11] |
157 | heavyiron | 2740 | or cl,cl |
2741 | jz public_constant |
||
2742 | test [format_flags],8 |
||
2743 | jnz check_64bit_public_symbol |
||
2744 | cmp cl,2 |
||
2745 | je public_symbol_type_ok |
||
2746 | jmp invalid_use_of_symbol |
||
2747 | undefined_coff_public: |
||
692 | heavyiron | 2748 | mov eax,[eax+24] |
2749 | mov [error_info],eax |
||
2750 | jmp undefined_symbol |
||
2751 | check_64bit_public_symbol: |
||
31 | halyavin | 2752 | cmp cl,4 |
157 | heavyiron | 2753 | jne invalid_use_of_symbol |
2754 | public_symbol_type_ok: |
||
31 | halyavin | 2755 | mov ecx,[eax+20] |
157 | heavyiron | 2756 | cmp byte [ecx],80h |
624 | heavyiron | 2757 | je alias_symbol |
157 | heavyiron | 2758 | cmp byte [ecx],0 |
2759 | jne invalid_use_of_symbol |
||
2760 | mov cx,[ecx+1Eh] |
||
2761 | mov [ebx+0Ch],cx |
||
2762 | public_symbol_section_ok: |
||
31 | halyavin | 2763 | cmp dword [eax+4],0 |
157 | heavyiron | 2764 | je store_public_symbol |
2765 | cmp dword [eax+4],-1 |
||
2766 | jne value_out_of_range |
||
2767 | bt dword [eax],31 |
||
2768 | jnc value_out_of_range |
||
2769 | store_public_symbol: |
||
31 | halyavin | 2770 | mov eax,[eax] |
157 | heavyiron | 2771 | mov [ebx+8],eax |
2772 | mov al,2 |
||
624 | heavyiron | 2773 | cmp byte [esi],0C0h |
2774 | je store_symbol_class |
||
2775 | inc al |
||
2776 | cmp byte [esi],0C1h |
||
2777 | je store_symbol_class |
||
2778 | mov al,105 |
||
2779 | store_symbol_class: |
||
2780 | mov byte [ebx+10h],al |
||
2781 | add esi,10h |
||
157 | heavyiron | 2782 | add ebx,12h |
2783 | jmp make_symbols_table |
||
2784 | alias_symbol: |
||
31 | halyavin | 2785 | bt [format_flags],0 |
157 | heavyiron | 2786 | jnc invalid_use_of_symbol |
2787 | mov ecx,[eax] |
||
2788 | or ecx,[eax+4] |
||
2789 | jnz invalid_use_of_symbol |
||
2790 | mov byte [ebx+10h],69h |
||
2791 | mov byte [ebx+11h],1 |
||
2792 | add ebx,12h |
||
2793 | mov ecx,[eax+20] |
||
2794 | mov ecx,[ecx] |
||
2795 | shr ecx,8 |
||
2796 | mov [ebx],ecx |
||
2797 | mov byte [ebx+4],3 |
||
2798 | add esi,10h |
||
2799 | add ebx,12h |
||
2800 | jmp make_symbols_table |
||
2801 | public_constant: |
||
31 | halyavin | 2802 | mov word [ebx+0Ch],0FFFFh |
157 | heavyiron | 2803 | jmp public_symbol_section_ok |
2804 | symbols_table_ok: |
||
31 | halyavin | 2805 | mov eax,edi |
157 | heavyiron | 2806 | sub eax,edx |
2807 | mov [edx],eax |
||
2808 | sub edi,[code_start] |
||
2809 | mov [code_size],edi |
||
2810 | mov [written_size],0 |
||
2811 | mov edx,[output_file] |
||
2812 | call create |
||
2813 | jc write_failed |
||
2814 | mov edx,[free_additional_memory] |
||
2815 | pop ecx |
||
2816 | add [written_size],ecx |
||
2817 | call write |
||
2818 | jc write_failed |
||
2819 | jmp write_output |
||
2820 | store_symbol_name: |
||
31 | halyavin | 2821 | push esi |
157 | heavyiron | 2822 | mov esi,[esi+4] |
2823 | or esi,esi |
||
2824 | jz default_name |
||
2825 | lods dword [esi] |
||
2826 | mov ecx,eax |
||
2827 | cmp ecx,8 |
||
2828 | ja add_string |
||
2829 | push edi |
||
2830 | mov edi,ebx |
||
2831 | rep movs byte [edi],[esi] |
||
2832 | pop edi esi |
||
2833 | ret |
||
2834 | default_name: |
||
31 | halyavin | 2835 | mov dword [ebx],'.fla' |
157 | heavyiron | 2836 | mov dword [ebx+4],'t' |
2837 | pop esi |
||
2838 | ret |
||
2839 | add_string: |
||
31 | halyavin | 2840 | mov eax,edi |
157 | heavyiron | 2841 | sub eax,edx |
2842 | mov [ebx+4],eax |
||
2843 | inc ecx |
||
2844 | rep movs byte [edi],[esi] |
||
2845 | pop esi |
||
2846 | ret |
||
2847 | |||
31 | halyavin | 2848 | |
2849 | test [format_flags],8 |
||
157 | heavyiron | 2850 | jnz format_elf64 |
2851 | mov edx,edi |
||
2852 | mov ecx,34h shr 2 |
||
2853 | lea eax,[edi+ecx*4] |
||
2854 | cmp eax,[display_buffer] |
||
2855 | jae out_of_memory |
||
2856 | xor eax,eax |
||
2857 | rep stos dword [edi] |
||
2858 | mov dword [edx],7Fh + 'ELF' shl 8 |
||
2859 | mov al,1 |
||
2860 | mov [edx+4],al |
||
2861 | mov [edx+5],al |
||
2862 | mov [edx+6],al |
||
2863 | mov [edx+14h],al |
||
2864 | mov byte [edx+12h],3 |
||
2865 | mov byte [edx+28h],34h |
||
2866 | mov byte [edx+2Eh],28h |
||
2867 | mov [code_type],32 |
||
2868 | cmp word [esi],1D19h |
||
2869 | je format_elf_exe |
||
2870 | mov [labels_type],2 |
||
2871 | elf_header_ok: |
||
31 | halyavin | 2872 | mov byte [edx+10h],1 |
157 | heavyiron | 2873 | mov eax,[additional_memory] |
2874 | mov [symbols_stream],eax |
||
2875 | mov ebx,eax |
||
2876 | add eax,20h |
||
2877 | cmp eax,[structures_buffer] |
||
2878 | jae out_of_memory |
||
2879 | mov [free_additional_memory],eax |
||
2880 | xor eax,eax |
||
2881 | mov [current_section],ebx |
||
2882 | mov [number_of_sections],eax |
||
2883 | mov dword [org_origin],edi |
||
2884 | mov dword [org_origin+4],eax |
||
2885 | mov [org_registers],eax |
||
2886 | mov [org_start],edi |
||
2887 | mov [org_symbol],ebx |
||
2888 | mov [ebx],al |
||
2889 | mov [ebx+4],eax |
||
2890 | mov [ebx+8],edi |
||
2891 | mov al,111b |
||
2892 | mov [ebx+14h],eax |
||
2893 | mov al,4 |
||
2894 | mov [ebx+10h],eax |
||
2895 | test [format_flags],8 |
||
2896 | jz format_defined |
||
607 | heavyiron | 2897 | mov byte [ebx+10h],8 |
157 | heavyiron | 2898 | jmp format_defined |
607 | heavyiron | 2899 | format_elf64: |
31 | halyavin | 2900 | mov edx,edi |
157 | heavyiron | 2901 | mov ecx,40h shr 2 |
2902 | lea eax,[edi+ecx*4] |
||
2903 | cmp eax,[display_buffer] |
||
2904 | jae out_of_memory |
||
2905 | xor eax,eax |
||
2906 | rep stos dword [edi] |
||
2907 | mov dword [edx],7Fh + 'ELF' shl 8 |
||
2908 | mov al,1 |
||
2909 | mov [edx+5],al |
||
2910 | mov [edx+6],al |
||
2911 | mov [edx+14h],al |
||
2912 | mov byte [edx+4],2 |
||
2913 | mov byte [edx+12h],62 |
||
2914 | mov byte [edx+34h],40h |
||
2915 | mov byte [edx+3Ah],40h |
||
2916 | mov [code_type],64 |
||
2917 | cmp word [esi],1D19h |
||
2918 | je format_elf64_exe |
||
2919 | mov [labels_type],4 |
||
2920 | jmp elf_header_ok |
||
2921 | elf_section: |
||
31 | halyavin | 2922 | bt [format_flags],0 |
157 | heavyiron | 2923 | jc illegal_instruction |
2924 | call close_coff_section |
||
2925 | mov ebx,[free_additional_memory] |
||
2926 | lea eax,[ebx+20h] |
||
2927 | cmp eax,[structures_buffer] |
||
2928 | jae out_of_memory |
||
2929 | mov [free_additional_memory],eax |
||
2930 | mov [current_section],ebx |
||
2931 | inc word [number_of_sections] |
||
2932 | jz format_limitations_exceeded |
||
2933 | xor eax,eax |
||
2934 | mov [ebx],al |
||
2935 | mov [ebx+8],edi |
||
2936 | mov dword [org_origin],edi |
||
2937 | mov dword [org_origin+4],0 |
||
2938 | mov [org_registers],0 |
||
2939 | mov [org_start],edi |
||
2940 | mov [org_symbol],ebx |
||
2941 | test [format_flags],8 |
||
2942 | jnz elf64_labels_type |
||
2943 | mov [labels_type],2 |
||
2944 | jmp elf_labels_type_ok |
||
2945 | elf64_labels_type: |
||
31 | halyavin | 2946 | mov [labels_type],4 |
157 | heavyiron | 2947 | elf_labels_type_ok: |
31 | halyavin | 2948 | mov [ebx+10h],eax |
157 | heavyiron | 2949 | mov al,10b |
2950 | mov [ebx+14h],eax |
||
2951 | lods word [esi] |
||
2952 | cmp ax,'(' |
||
2953 | jne invalid_argument |
||
2954 | mov [ebx+4],esi |
||
2955 | mov ecx,[esi] |
||
2956 | lea esi,[esi+4+ecx+1] |
||
2957 | elf_section_flags: |
||
31 | halyavin | 2958 | cmp byte [esi],1Ch |
157 | heavyiron | 2959 | je elf_section_alignment |
2960 | cmp byte [esi],19h |
||
2961 | jne elf_section_settings_ok |
||
2962 | inc esi |
||
2963 | lods byte [esi] |
||
2964 | sub al,28 |
||
2965 | xor al,11b |
||
2966 | test al,not 10b |
||
2967 | jnz invalid_argument |
||
2968 | mov cl,al |
||
2969 | mov al,1 |
||
2970 | shl al,cl |
||
2971 | test byte [ebx+14h],al |
||
2972 | jnz setting_already_specified |
||
2973 | or byte [ebx+14h],al |
||
2974 | jmp elf_section_flags |
||
2975 | elf_section_alignment: |
||
31 | halyavin | 2976 | inc esi |
157 | heavyiron | 2977 | lods byte [esi] |
2978 | or al,al |
||
2979 | jnz invalid_argument |
||
2980 | lods byte [esi] |
||
2981 | cmp al,'(' |
||
2982 | jne invalid_argument |
||
2983 | cmp byte [esi],'.' |
||
2984 | je invalid_value |
||
2985 | push ebx |
||
2986 | call get_dword_value |
||
2987 | pop ebx |
||
2988 | cmp [value_type],0 |
||
2989 | jne invalid_use_of_symbol |
||
2990 | mov edx,eax |
||
2991 | dec edx |
||
2992 | test eax,edx |
||
2993 | jnz invalid_value |
||
2994 | or eax,eax |
||
2995 | jz invalid_value |
||
2996 | xchg [ebx+10h],eax |
||
2997 | or eax,eax |
||
2998 | jnz setting_already_specified |
||
2999 | jmp elf_section_flags |
||
3000 | elf_section_settings_ok: |
||
31 | halyavin | 3001 | cmp dword [ebx+10h],0 |
157 | heavyiron | 3002 | jne instruction_assembled |
3003 | mov dword [ebx+10h],4 |
||
3004 | test [format_flags],8 |
||
3005 | jz instruction_assembled |
||
3006 | mov byte [ebx+10h],8 |
||
3007 | jmp instruction_assembled |
||
3008 | mark_elf_relocation: |
||
31 | halyavin | 3009 | cmp [value_type],3 |
157 | heavyiron | 3010 | je elf_relocation_relative |
3011 | cmp [value_type],7 |
||
174 | heavyiron | 3012 | je elf_relocation_relative |
3013 | push ebx eax |
||
157 | heavyiron | 3014 | cmp [value_type],5 |
174 | heavyiron | 3015 | je elf_gotoff_relocation |
157 | heavyiron | 3016 | ja invalid_use_of_symbol |
174 | heavyiron | 3017 | mov al,1 ; R_386_32 / R_AMD64_64 |
3018 | test [format_flags],8 |
||
157 | heavyiron | 3019 | jz coff_relocation |
3020 | cmp [value_type],4 |
||
3021 | je coff_relocation |
||
3022 | mov al,11 ; R_AMD64_32S |
||
174 | heavyiron | 3023 | jmp coff_relocation |
157 | heavyiron | 3024 | elf_gotoff_relocation: |
109 | heavyiron | 3025 | test [format_flags],8 |
174 | heavyiron | 3026 | jnz invalid_use_of_symbol |
3027 | mov al,9 ; R_386_GOTOFF |
||
3028 | jmp coff_relocation |
||
157 | heavyiron | 3029 | elf_relocation_relative: |
31 | halyavin | 3030 | cmp [labels_type],0 |
157 | heavyiron | 3031 | je invalid_use_of_symbol |
3032 | push ebx |
||
3033 | mov ebx,[current_section] |
||
3034 | mov ebx,[ebx+8] |
||
3035 | sub ebx,edi |
||
3036 | sub eax,ebx |
||
3037 | push eax |
||
3038 | mov al,2 ; R_386_PC32 / R_AMD64_PC32 |
||
174 | heavyiron | 3039 | cmp [value_type],3 |
3040 | je coff_relocation |
||
3041 | mov al,4 ; R_386_PLT32 / R_AMD64_PLT32 |
||
3042 | jmp coff_relocation |
||
157 | heavyiron | 3043 | close_elf: |
31 | halyavin | 3044 | bt [format_flags],0 |
157 | heavyiron | 3045 | jc close_elf_exe |
3046 | call close_coff_section |
||
3047 | cmp [next_pass_needed],0 |
||
3048 | je elf_closed |
||
3049 | mov eax,[symbols_stream] |
||
3050 | mov [free_additional_memory],eax |
||
3051 | elf_closed: |
||
31 | halyavin | 3052 | ret |
157 | heavyiron | 3053 | elf_formatter: |
31 | halyavin | 3054 | push edi |
157 | heavyiron | 3055 | call prepare_default_section |
3056 | mov esi,[symbols_stream] |
||
3057 | mov edi,[free_additional_memory] |
||
3058 | xor eax,eax |
||
3059 | mov ecx,4 |
||
3060 | rep stos dword [edi] |
||
3061 | test [format_flags],8 |
||
3062 | jz find_first_section |
||
3063 | mov ecx,2 |
||
3064 | rep stos dword [edi] |
||
3065 | find_first_section: |
||
31 | halyavin | 3066 | mov al,[esi] |
157 | heavyiron | 3067 | or al,al |
3068 | jz first_section_found |
||
3069 | cmp al,0C0h |
||
624 | heavyiron | 3070 | jb skip_other_symbol |
3071 | add esi,4 |
||
157 | heavyiron | 3072 | skip_other_symbol: |
31 | halyavin | 3073 | add esi,0Ch |
157 | heavyiron | 3074 | jmp find_first_section |
3075 | first_section_found: |
||
31 | halyavin | 3076 | mov ebx,esi |
157 | heavyiron | 3077 | mov ebp,esi |
3078 | add esi,20h |
||
3079 | xor ecx,ecx |
||
3080 | xor edx,edx |
||
3081 | find_next_section: |
||
31 | halyavin | 3082 | cmp esi,[free_additional_memory] |
157 | heavyiron | 3083 | je make_section_symbol |
3084 | mov al,[esi] |
||
3085 | or al,al |
||
3086 | jz make_section_symbol |
||
3087 | cmp al,0C0h |
||
624 | heavyiron | 3088 | jae skip_public |
3089 | cmp al,80h |
||
157 | heavyiron | 3090 | jae skip_extrn |
624 | heavyiron | 3091 | or byte [ebx+14h],40h |
157 | heavyiron | 3092 | skip_extrn: |
31 | halyavin | 3093 | add esi,0Ch |
157 | heavyiron | 3094 | jmp find_next_section |
3095 | skip_public: |
||
31 | halyavin | 3096 | add esi,10h |
157 | heavyiron | 3097 | jmp find_next_section |
3098 | make_section_symbol: |
||
31 | halyavin | 3099 | mov eax,edi |
157 | heavyiron | 3100 | xchg eax,[ebx+4] |
3101 | stos dword [edi] |
||
3102 | test [format_flags],8 |
||
3103 | jnz elf64_section_symbol |
||
3104 | xor eax,eax |
||
3105 | stos dword [edi] |
||
3106 | stos dword [edi] |
||
3107 | call store_section_index |
||
3108 | jmp section_symbol_ok |
||
3109 | store_section_index: |
||
31 | halyavin | 3110 | inc ecx |
157 | heavyiron | 3111 | mov eax,ecx |
3112 | shl eax,8 |
||
3113 | mov [ebx],eax |
||
3114 | inc dx |
||
3115 | jz format_limitations_exceeded |
||
3116 | mov eax,edx |
||
3117 | shl eax,16 |
||
3118 | mov al,3 |
||
3119 | test byte [ebx+14h],40h |
||
3120 | jz section_index_ok |
||
3121 | or ah,-1 |
||
3122 | inc dx |
||
3123 | jz format_limitations_exceeded |
||
3124 | section_index_ok: |
||
31 | halyavin | 3125 | stos dword [edi] |
157 | heavyiron | 3126 | ret |
3127 | elf64_section_symbol: |
||
31 | halyavin | 3128 | call store_section_index |
157 | heavyiron | 3129 | xor eax,eax |
3130 | stos dword [edi] |
||
3131 | stos dword [edi] |
||
3132 | stos dword [edi] |
||
3133 | stos dword [edi] |
||
3134 | section_symbol_ok: |
||
31 | halyavin | 3135 | mov ebx,esi |
157 | heavyiron | 3136 | add esi,20h |
3137 | cmp ebx,[free_additional_memory] |
||
3138 | jne find_next_section |
||
3139 | inc dx |
||
3140 | jz format_limitations_exceeded |
||
3141 | mov [current_section],edx |
||
3142 | mov esi,[symbols_stream] |
||
3143 | find_other_symbols: |
||
31 | halyavin | 3144 | cmp esi,[free_additional_memory] |
157 | heavyiron | 3145 | je elf_symbol_table_ok |
3146 | mov al,[esi] |
||
3147 | or al,al |
||
3148 | jz skip_section |
||
3149 | cmp al,0C0h |
||
624 | heavyiron | 3150 | jae make_public_symbol |
3151 | cmp al,80h |
||
157 | heavyiron | 3152 | jae make_extrn_symbol |
624 | heavyiron | 3153 | add esi,0Ch |
157 | heavyiron | 3154 | jmp find_other_symbols |
3155 | skip_section: |
||
31 | halyavin | 3156 | add esi,20h |
157 | heavyiron | 3157 | jmp find_other_symbols |
3158 | make_public_symbol: |
||
31 | halyavin | 3159 | mov eax,[esi+0Ch] |
157 | heavyiron | 3160 | mov [current_line],eax |
3161 | cmp byte [esi],0C0h |
||
624 | heavyiron | 3162 | jne invalid_argument |
3163 | mov ebx,[esi+8] |
||
157 | heavyiron | 3164 | test byte [ebx+8],1 |
3165 | jz undefined_public |
||
692 | heavyiron | 3166 | mov ax,[current_pass] |
157 | heavyiron | 3167 | cmp ax,[ebx+16] |
3168 | jne undefined_public |
||
692 | heavyiron | 3169 | mov dl,[ebx+11] |
157 | heavyiron | 3170 | or dl,dl |
3171 | jz public_absolute |
||
3172 | mov eax,[ebx+20] |
||
3173 | cmp byte [eax],0 |
||
3174 | jne invalid_use_of_symbol |
||
3175 | mov eax,[eax+4] |
||
3176 | test [format_flags],8 |
||
3177 | jnz elf64_public |
||
3178 | cmp dl,2 |
||
3179 | jne invalid_use_of_symbol |
||
3180 | mov dx,[eax+0Eh] |
||
3181 | jmp section_for_public_ok |
||
3182 | undefined_public: |
||
692 | heavyiron | 3183 | mov eax,[ebx+24] |
3184 | mov [error_info],eax |
||
3185 | jmp undefined_symbol |
||
3186 | elf64_public: |
||
31 | halyavin | 3187 | cmp dl,4 |
157 | heavyiron | 3188 | jne invalid_use_of_symbol |
3189 | mov dx,[eax+6] |
||
3190 | jmp section_for_public_ok |
||
3191 | public_absolute: |
||
31 | halyavin | 3192 | mov dx,0FFF1h |
157 | heavyiron | 3193 | section_for_public_ok: |
31 | halyavin | 3194 | mov eax,[esi+4] |
157 | heavyiron | 3195 | stos dword [edi] |
3196 | test [format_flags],8 |
||
3197 | jnz elf64_public_symbol |
||
3198 | call get_public_value |
||
3199 | stos dword [edi] |
||
3200 | xor eax,eax |
||
3201 | mov al,[ebx+10] |
||
3202 | stos dword [edi] |
||
3203 | mov eax,edx |
||
3204 | shl eax,16 |
||
3205 | mov al,10h |
||
3206 | cmp byte [ebx+10],0 |
||
3207 | je elf_public_function |
||
3208 | or al,1 |
||
3209 | jmp store_elf_public_info |
||
3210 | elf_public_function: |
||
109 | heavyiron | 3211 | or al,2 |
157 | heavyiron | 3212 | store_elf_public_info: |
109 | heavyiron | 3213 | stos dword [edi] |
157 | heavyiron | 3214 | jmp public_symbol_ok |
3215 | elf64_public_symbol: |
||
31 | halyavin | 3216 | mov eax,edx |
157 | heavyiron | 3217 | shl eax,16 |
3218 | mov al,10h |
||
3219 | cmp byte [ebx+10],0 |
||
3220 | je elf64_public_function |
||
3221 | or al,1 |
||
3222 | jmp store_elf64_public_info |
||
3223 | elf64_public_function: |
||
109 | heavyiron | 3224 | or al,2 |
157 | heavyiron | 3225 | store_elf64_public_info: |
109 | heavyiron | 3226 | stos dword [edi] |
157 | heavyiron | 3227 | call get_public_value |
3228 | stos dword [edi] |
||
3229 | xor eax,eax |
||
3230 | stos dword [edi] |
||
3231 | mov al,[ebx+10] |
||
3232 | stos dword [edi] |
||
3233 | xor al,al |
||
3234 | stos dword [edi] |
||
3235 | public_symbol_ok: |
||
31 | halyavin | 3236 | inc ecx |
157 | heavyiron | 3237 | mov eax,ecx |
3238 | shl eax,8 |
||
3239 | mov al,0C0h |
||
624 | heavyiron | 3240 | mov [esi],eax |
157 | heavyiron | 3241 | add esi,10h |
3242 | jmp find_other_symbols |
||
3243 | get_public_value: |
||
31 | halyavin | 3244 | mov eax,[ebx] |
157 | heavyiron | 3245 | cmp dword [ebx+4],0 |
3246 | je public_value_ok |
||
3247 | cmp dword [ebx+4],-1 |
||
3248 | jne value_out_of_range |
||
3249 | bt eax,31 |
||
3250 | jnc value_out_of_range |
||
3251 | public_value_ok: |
||
31 | halyavin | 3252 | ret |
157 | heavyiron | 3253 | make_extrn_symbol: |
31 | halyavin | 3254 | mov eax,[esi+4] |
157 | heavyiron | 3255 | stos dword [edi] |
3256 | test [format_flags],8 |
||
3257 | jnz elf64_extrn_symbol |
||
3258 | xor eax,eax |
||
3259 | stos dword [edi] |
||
3260 | mov eax,[esi+8] |
||
3261 | stos dword [edi] |
||
3262 | mov eax,10h |
||
3263 | stos dword [edi] |
||
3264 | jmp extrn_symbol_ok |
||
3265 | elf64_extrn_symbol: |
||
31 | halyavin | 3266 | mov eax,10h |
157 | heavyiron | 3267 | stos dword [edi] |
3268 | xor al,al |
||
3269 | stos dword [edi] |
||
3270 | stos dword [edi] |
||
3271 | mov eax,[esi+8] |
||
3272 | stos dword [edi] |
||
3273 | xor eax,eax |
||
3274 | stos dword [edi] |
||
3275 | extrn_symbol_ok: |
||
31 | halyavin | 3276 | inc ecx |
157 | heavyiron | 3277 | mov eax,ecx |
3278 | shl eax,8 |
||
3279 | mov al,80h |
||
624 | heavyiron | 3280 | mov [esi],eax |
157 | heavyiron | 3281 | add esi,0Ch |
3282 | jmp find_other_symbols |
||
3283 | elf_symbol_table_ok: |
||
31 | halyavin | 3284 | mov edx,edi |
157 | heavyiron | 3285 | mov ebx,[free_additional_memory] |
3286 | xor al,al |
||
3287 | stos byte [edi] |
||
3288 | add edi,16 |
||
3289 | mov [edx+1],edx |
||
3290 | add ebx,10h |
||
3291 | test [format_flags],8 |
||
3292 | jz make_string_table |
||
3293 | add ebx,8 |
||
3294 | make_string_table: |
||
31 | halyavin | 3295 | cmp ebx,edx |
157 | heavyiron | 3296 | je elf_string_table_ok |
3297 | test [format_flags],8 |
||
3298 | jnz make_elf64_string |
||
3299 | cmp byte [ebx+0Dh],0 |
||
3300 | je rel_prefix_ok |
||
3301 | mov byte [ebx+0Dh],0 |
||
3302 | mov eax,'.rel' |
||
3303 | stos dword [edi] |
||
3304 | rel_prefix_ok: |
||
31 | halyavin | 3305 | mov esi,edi |
157 | heavyiron | 3306 | sub esi,edx |
3307 | xchg esi,[ebx] |
||
3308 | add ebx,10h |
||
3309 | make_elf_string: |
||
31 | halyavin | 3310 | or esi,esi |
157 | heavyiron | 3311 | jz default_string |
3312 | lods dword [esi] |
||
3313 | mov ecx,eax |
||
3314 | rep movs byte [edi],[esi] |
||
3315 | xor al,al |
||
3316 | stos byte [edi] |
||
3317 | jmp make_string_table |
||
3318 | make_elf64_string: |
||
31 | halyavin | 3319 | cmp byte [ebx+5],0 |
157 | heavyiron | 3320 | je elf64_rel_prefix_ok |
3321 | mov byte [ebx+5],0 |
||
3322 | mov eax,'.rel' |
||
3323 | stos dword [edi] |
||
3324 | mov al,'a' |
||
3325 | stos byte [edi] |
||
3326 | elf64_rel_prefix_ok: |
||
31 | halyavin | 3327 | mov esi,edi |
157 | heavyiron | 3328 | sub esi,edx |
3329 | xchg esi,[ebx] |
||
3330 | add ebx,18h |
||
3331 | jmp make_elf_string |
||
3332 | default_string: |
||
31 | halyavin | 3333 | mov eax,'.fla' |
157 | heavyiron | 3334 | stos dword [edi] |
3335 | mov ax,'t' |
||
3336 | stos word [edi] |
||
3337 | jmp make_string_table |
||
3338 | elf_string_table_ok: |
||
31 | halyavin | 3339 | mov [edx+1+8],edi |
157 | heavyiron | 3340 | mov ebx,[code_start] |
3341 | mov eax,edi |
||
3342 | sub eax,[free_additional_memory] |
||
3343 | test [format_flags],8 |
||
3344 | jnz finish_elf64_header |
||
3345 | mov [ebx+20h],eax |
||
3346 | mov eax,[current_section] |
||
3347 | inc ax |
||
3348 | jz format_limitations_exceeded |
||
3349 | mov [ebx+32h],ax |
||
3350 | inc ax |
||
3351 | jz format_limitations_exceeded |
||
3352 | mov [ebx+30h],ax |
||
3353 | jmp elf_header_finished |
||
3354 | finish_elf64_header: |
||
31 | halyavin | 3355 | mov [ebx+28h],eax |
157 | heavyiron | 3356 | mov eax,[current_section] |
3357 | inc ax |
||
3358 | jz format_limitations_exceeded |
||
3359 | mov [ebx+3Eh],ax |
||
3360 | inc ax |
||
3361 | jz format_limitations_exceeded |
||
3362 | mov [ebx+3Ch],ax |
||
3363 | elf_header_finished: |
||
31 | halyavin | 3364 | xor eax,eax |
157 | heavyiron | 3365 | mov ecx,10 |
3366 | rep stos dword [edi] |
||
3367 | test [format_flags],8 |
||
3368 | jz elf_null_section_ok |
||
3369 | mov ecx,6 |
||
3370 | rep stos dword [edi] |
||
3371 | elf_null_section_ok: |
||
31 | halyavin | 3372 | mov esi,ebp |
157 | heavyiron | 3373 | xor ecx,ecx |
3374 | make_section_entry: |
||
31 | halyavin | 3375 | mov ebx,edi |
157 | heavyiron | 3376 | mov eax,[esi+4] |
3377 | mov eax,[eax] |
||
3378 | stos dword [edi] |
||
3379 | mov eax,1 |
||
3380 | cmp dword [esi+0Ch],0 |
||
3381 | je bss_section |
||
3382 | test byte [esi+14h],80h |
||
3383 | jz section_type_ok |
||
3384 | bss_section: |
||
31 | halyavin | 3385 | mov al,8 |
157 | heavyiron | 3386 | section_type_ok: |
31 | halyavin | 3387 | stos dword [edi] |
157 | heavyiron | 3388 | mov eax,[esi+14h] |
3389 | and al,3Fh |
||
3390 | call store_elf_machine_word |
||
3391 | xor eax,eax |
||
3392 | call store_elf_machine_word |
||
3393 | mov eax,[esi+8] |
||
3394 | mov [image_base],eax |
||
3395 | sub eax,[code_start] |
||
3396 | call store_elf_machine_word |
||
3397 | mov eax,[esi+0Ch] |
||
3398 | call store_elf_machine_word |
||
3399 | xor eax,eax |
||
3400 | stos dword [edi] |
||
3401 | stos dword [edi] |
||
3402 | mov eax,[esi+10h] |
||
3403 | call store_elf_machine_word |
||
3404 | xor eax,eax |
||
3405 | call store_elf_machine_word |
||
3406 | inc ecx |
||
3407 | add esi,20h |
||
3408 | xchg edi,[esp] |
||
3409 | mov ebp,edi |
||
3410 | convert_relocations: |
||
31 | halyavin | 3411 | cmp esi,[free_additional_memory] |
157 | heavyiron | 3412 | je relocations_converted |
3413 | mov al,[esi] |
||
3414 | or al,al |
||
3415 | jz relocations_converted |
||
3416 | cmp al,80h |
||
3417 | jb make_relocation_entry |
||
3418 | cmp al,0C0h |
||
624 | heavyiron | 3419 | jb relocation_entry_ok |
3420 | add esi,10h |
||
157 | heavyiron | 3421 | jmp convert_relocations |
3422 | make_relocation_entry: |
||
31 | halyavin | 3423 | test [format_flags],8 |
157 | heavyiron | 3424 | jnz make_elf64_relocation_entry |
3425 | mov eax,[esi+4] |
||
3426 | stos dword [edi] |
||
3427 | mov eax,[esi+8] |
||
3428 | mov eax,[eax] |
||
3429 | mov al,[esi] |
||
3430 | stos dword [edi] |
||
3431 | jmp relocation_entry_ok |
||
3432 | make_elf64_relocation_entry: |
||
31 | halyavin | 3433 | mov eax,[esi+4] |
157 | heavyiron | 3434 | stos dword [edi] |
3435 | xor eax,eax |
||
3436 | stos dword [edi] |
||
3437 | movzx eax,byte [esi] |
||
3438 | stos dword [edi] |
||
3439 | mov eax,[esi+8] |
||
3440 | mov eax,[eax] |
||
3441 | shr eax,8 |
||
3442 | stos dword [edi] |
||
3443 | xor eax,eax |
||
3444 | stos dword [edi] |
||
3445 | stos dword [edi] |
||
3446 | relocation_entry_ok: |
||
31 | halyavin | 3447 | add esi,0Ch |
157 | heavyiron | 3448 | jmp convert_relocations |
3449 | store_elf_machine_word: |
||
31 | halyavin | 3450 | stos dword [edi] |
157 | heavyiron | 3451 | test [format_flags],8 |
3452 | jz elf_machine_word_ok |
||
3453 | mov dword [edi],0 |
||
3454 | add edi,4 |
||
3455 | elf_machine_word_ok: |
||
31 | halyavin | 3456 | ret |
157 | heavyiron | 3457 | relocations_converted: |
31 | halyavin | 3458 | cmp edi,ebp |
157 | heavyiron | 3459 | xchg edi,[esp] |
3460 | je rel_section_ok |
||
3461 | mov eax,[ebx] |
||
3462 | sub eax,4 |
||
3463 | test [format_flags],8 |
||
3464 | jz store_relocations_name_offset |
||
3465 | dec eax |
||
3466 | store_relocations_name_offset: |
||
31 | halyavin | 3467 | stos dword [edi] |
157 | heavyiron | 3468 | test [format_flags],8 |
3469 | jnz rela_section |
||
3470 | mov eax,9 |
||
3471 | jmp store_relocations_type |
||
3472 | rela_section: |
||
31 | halyavin | 3473 | mov eax,4 |
157 | heavyiron | 3474 | store_relocations_type: |
31 | halyavin | 3475 | stos dword [edi] |
157 | heavyiron | 3476 | xor al,al |
3477 | call store_elf_machine_word |
||
3478 | call store_elf_machine_word |
||
3479 | mov eax,ebp |
||
3480 | sub eax,[code_start] |
||
3481 | call store_elf_machine_word |
||
3482 | mov eax,[esp] |
||
3483 | sub eax,ebp |
||
3484 | call store_elf_machine_word |
||
3485 | mov eax,[current_section] |
||
3486 | stos dword [edi] |
||
3487 | mov eax,ecx |
||
3488 | stos dword [edi] |
||
3489 | inc ecx |
||
3490 | test [format_flags],8 |
||
3491 | jnz finish_elf64_rela_section |
||
3492 | mov eax,4 |
||
3493 | stos dword [edi] |
||
3494 | mov al,8 |
||
3495 | stos dword [edi] |
||
3496 | jmp rel_section_ok |
||
3497 | finish_elf64_rela_section: |
||
31 | halyavin | 3498 | mov eax,8 |
157 | heavyiron | 3499 | stos dword [edi] |
3500 | xor al,al |
||
3501 | stos dword [edi] |
||
3502 | mov al,24 |
||
3503 | stos dword [edi] |
||
3504 | xor al,al |
||
3505 | stos dword [edi] |
||
3506 | rel_section_ok: |
||
31 | halyavin | 3507 | cmp esi,[free_additional_memory] |
157 | heavyiron | 3508 | jne make_section_entry |
3509 | pop eax |
||
3510 | mov ebx,[code_start] |
||
3511 | sub eax,ebx |
||
3512 | mov [code_size],eax |
||
3513 | mov ecx,20h |
||
3514 | test [format_flags],8 |
||
3515 | jz adjust_elf_section_headers_offset |
||
3516 | mov ecx,28h |
||
3517 | adjust_elf_section_headers_offset: |
||
31 | halyavin | 3518 | add [ebx+ecx],eax |
157 | heavyiron | 3519 | mov eax,1 |
3520 | stos dword [edi] |
||
3521 | mov al,2 |
||
3522 | stos dword [edi] |
||
3523 | xor al,al |
||
3524 | call store_elf_machine_word |
||
3525 | call store_elf_machine_word |
||
3526 | mov eax,[code_size] |
||
3527 | call store_elf_machine_word |
||
3528 | mov eax,[edx+1] |
||
3529 | sub eax,[free_additional_memory] |
||
3530 | call store_elf_machine_word |
||
3531 | mov eax,[current_section] |
||
3532 | inc eax |
||
3533 | stos dword [edi] |
||
3534 | mov eax,[number_of_sections] |
||
3535 | inc eax |
||
3536 | stos dword [edi] |
||
3537 | test [format_flags],8 |
||
3538 | jnz finish_elf64_sym_section |
||
3539 | mov eax,4 |
||
3540 | stos dword [edi] |
||
3541 | mov al,10h |
||
3542 | stos dword [edi] |
||
3543 | jmp sym_section_ok |
||
3544 | finish_elf64_sym_section: |
||
31 | halyavin | 3545 | mov eax,8 |
157 | heavyiron | 3546 | stos dword [edi] |
3547 | xor al,al |
||
3548 | stos dword [edi] |
||
3549 | mov al,18h |
||
3550 | stos dword [edi] |
||
3551 | xor al,al |
||
3552 | stos dword [edi] |
||
3553 | sym_section_ok: |
||
31 | halyavin | 3554 | mov al,1+8 |
157 | heavyiron | 3555 | stos dword [edi] |
3556 | mov al,3 |
||
3557 | stos dword [edi] |
||
3558 | xor al,al |
||
3559 | call store_elf_machine_word |
||
3560 | call store_elf_machine_word |
||
3561 | mov eax,[edx+1] |
||
3562 | sub eax,[free_additional_memory] |
||
3563 | add eax,[code_size] |
||
3564 | call store_elf_machine_word |
||
3565 | mov eax,[edx+1+8] |
||
3566 | sub eax,[edx+1] |
||
3567 | call store_elf_machine_word |
||
3568 | xor eax,eax |
||
3569 | stos dword [edi] |
||
3570 | stos dword [edi] |
||
3571 | mov al,1 |
||
3572 | call store_elf_machine_word |
||
3573 | xor eax,eax |
||
3574 | call store_elf_machine_word |
||
3575 | mov eax,'tab' |
||
3576 | mov dword [edx+1],'.sym' |
||
3577 | mov [edx+1+4],eax |
||
3578 | mov dword [edx+1+8],'.str' |
||
3579 | mov [edx+1+8+4],eax |
||
3580 | mov [resource_data],edx |
||
992 | heavyiron | 3581 | mov [written_size],0 |
157 | heavyiron | 3582 | mov edx,[output_file] |
3583 | call create |
||
3584 | jc write_failed |
||
3585 | call write_code |
||
3586 | mov ecx,edi |
||
3587 | mov edx,[free_additional_memory] |
||
3588 | sub ecx,edx |
||
3589 | add [written_size],ecx |
||
3590 | call write |
||
3591 | jc write_failed |
||
3592 | jmp output_written |
||
3593 | |||
31 | halyavin | 3594 | |
3595 | add esi,2 |
||
157 | heavyiron | 3596 | or [format_flags],1 |
3597 | mov [image_base],8048000h |
||
3598 | cmp byte [esi],80h |
||
3599 | jne elf_exe_base_ok |
||
3600 | lods word [esi] |
||
3601 | cmp ah,'(' |
||
3602 | jne invalid_argument |
||
3603 | cmp byte [esi],'.' |
||
3604 | je invalid_value |
||
3605 | push edx |
||
3606 | call get_dword_value |
||
3607 | cmp [value_type],0 |
||
3608 | jne invalid_use_of_symbol |
||
3609 | mov [image_base],eax |
||
3610 | pop edx |
||
3611 | elf_exe_base_ok: |
||
31 | halyavin | 3612 | mov byte [edx+10h],2 |
157 | heavyiron | 3613 | mov byte [edx+2Ah],20h |
3614 | mov ebx,edi |
||
3615 | mov ecx,20h shr 2 |
||
3616 | cmp [current_pass],0 |
||
3617 | je init_elf_segments |
||
3618 | imul ecx,[number_of_sections] |
||
3619 | init_elf_segments: |
||
109 | heavyiron | 3620 | xor eax,eax |
157 | heavyiron | 3621 | rep stos dword [edi] |
3622 | mov [number_of_sections],0 |
||
3623 | mov byte [ebx],1 |
||
3624 | mov word [ebx+1Ch],1000h |
||
3625 | mov byte [ebx+18h],111b |
||
3626 | mov eax,edi |
||
3627 | sub eax,[code_start] |
||
3628 | mov [ebx+4],eax |
||
3629 | add eax,[image_base] |
||
3630 | mov [ebx+8],eax |
||
3631 | mov [ebx+0Ch],eax |
||
3632 | mov [edx+18h],eax |
||
3633 | xor edx,edx |
||
3634 | not eax |
||
3635 | not edx |
||
3636 | add eax,1 |
||
3637 | adc edx,0 |
||
3638 | add eax,edi |
||
3639 | adc edx,0 |
||
3640 | mov dword [org_origin],eax |
||
3641 | mov dword [org_origin+4],edx |
||
3642 | mov [org_registers],0 |
||
3643 | mov [org_start],edi |
||
3644 | mov [symbols_stream],edi |
||
3645 | jmp format_defined |
||
607 | heavyiron | 3646 | format_elf64_exe: |
31 | halyavin | 3647 | add esi,2 |
157 | heavyiron | 3648 | or [format_flags],1 |
3649 | mov [image_base],400000h |
||
3650 | mov [image_base_high],0 |
||
3651 | cmp byte [esi],80h |
||
3652 | jne elf64_exe_base_ok |
||
3653 | lods word [esi] |
||
3654 | cmp ah,'(' |
||
3655 | jne invalid_argument |
||
3656 | cmp byte [esi],'.' |
||
3657 | je invalid_value |
||
3658 | push edx |
||
3659 | call get_qword_value |
||
3660 | cmp [value_type],0 |
||
3661 | jne invalid_use_of_symbol |
||
3662 | mov [image_base],eax |
||
3663 | mov [image_base_high],edx |
||
3664 | pop edx |
||
3665 | elf64_exe_base_ok: |
||
31 | halyavin | 3666 | mov byte [edx+10h],2 |
157 | heavyiron | 3667 | mov byte [edx+36h],38h |
3668 | mov ebx,edi |
||
3669 | mov ecx,38h shr 2 |
||
3670 | cmp [current_pass],0 |
||
3671 | je init_elf64_segments |
||
3672 | imul ecx,[number_of_sections] |
||
3673 | init_elf64_segments: |
||
109 | heavyiron | 3674 | xor eax,eax |
157 | heavyiron | 3675 | rep stos dword [edi] |
3676 | mov [number_of_sections],0 |
||
3677 | mov byte [ebx],1 |
||
3678 | mov word [ebx+30h],1000h |
||
3679 | mov byte [ebx+4],111b |
||
3680 | push edx |
||
3681 | mov eax,edi |
||
3682 | sub eax,[code_start] |
||
3683 | mov [ebx+8],eax |
||
3684 | xor edx,edx |
||
3685 | add eax,[image_base] |
||
3686 | adc edx,[image_base_high] |
||
3687 | mov [ebx+10h],eax |
||
3688 | mov [ebx+10h+4],edx |
||
3689 | mov [ebx+18h],eax |
||
3690 | mov [ebx+18h+4],edx |
||
3691 | pop ebx |
||
3692 | mov [ebx+18h],eax |
||
3693 | mov [ebx+18h+4],edx |
||
3694 | not eax |
||
3695 | not edx |
||
3696 | add eax,1 |
||
3697 | adc edx,0 |
||
3698 | add eax,edi |
||
3699 | adc edx,0 |
||
3700 | mov dword [org_origin],eax |
||
3701 | mov dword [org_origin+4],edx |
||
3702 | mov [org_registers],0 |
||
3703 | mov [org_start],edi |
||
3704 | mov [symbols_stream],edi |
||
3705 | jmp format_defined |
||
607 | heavyiron | 3706 | elf_entry: |
31 | halyavin | 3707 | lods byte [esi] |
157 | heavyiron | 3708 | cmp al,'(' |
3709 | jne invalid_argument |
||
3710 | cmp byte [esi],'.' |
||
3711 | je invalid_value |
||
3712 | test [format_flags],8 |
||
3713 | jnz elf64_entry |
||
3714 | call get_dword_value |
||
3715 | cmp [value_type],0 |
||
3716 | jne invalid_use_of_symbol |
||
3717 | mov edx,[code_start] |
||
3718 | mov [edx+18h],eax |
||
3719 | jmp instruction_assembled |
||
3720 | elf64_entry: |
||
31 | halyavin | 3721 | call get_qword_value |
157 | heavyiron | 3722 | cmp [value_type],0 |
3723 | jne invalid_use_of_symbol |
||
3724 | mov ebx,[code_start] |
||
3725 | mov [ebx+18h],eax |
||
3726 | mov [ebx+1Ch],edx |
||
3727 | jmp instruction_assembled |
||
3728 | elf_segment: |
||
109 | heavyiron | 3729 | bt [format_flags],0 |
157 | heavyiron | 3730 | jnc illegal_instruction |
3731 | test [format_flags],8 |
||
3732 | jnz elf64_segment |
||
3733 | call close_elf_segment |
||
3734 | push eax |
||
3735 | mov ebx,[number_of_sections] |
||
3736 | shl ebx,5 |
||
3737 | add ebx,[code_start] |
||
3738 | add ebx,34h |
||
3739 | cmp ebx,[symbols_stream] |
||
3740 | jb new_elf_segment |
||
3741 | mov ebx,[symbols_stream] |
||
3742 | sub ebx,20h |
||
3743 | push edi |
||
3744 | mov edi,ebx |
||
3745 | mov ecx,20h shr 2 |
||
3746 | xor eax,eax |
||
3747 | rep stos dword [edi] |
||
3748 | pop edi |
||
3749 | or [next_pass_needed],-1 |
||
3750 | new_elf_segment: |
||
109 | heavyiron | 3751 | mov byte [ebx],1 |
157 | heavyiron | 3752 | mov word [ebx+1Ch],1000h |
3753 | elf_segment_flags: |
||
109 | heavyiron | 3754 | cmp byte [esi],19h |
157 | heavyiron | 3755 | jne elf_segment_flags_ok |
3756 | lods word [esi] |
||
3757 | sub ah,28 |
||
3758 | jbe invalid_argument |
||
3759 | cmp ah,1 |
||
3760 | je mark_elf_segment_flag |
||
3761 | cmp ah,3 |
||
3762 | ja invalid_argument |
||
3763 | xor ah,1 |
||
3764 | cmp ah,2 |
||
3765 | je mark_elf_segment_flag |
||
3766 | inc ah |
||
3767 | mark_elf_segment_flag: |
||
109 | heavyiron | 3768 | test [ebx+18h],ah |
157 | heavyiron | 3769 | jnz setting_already_specified |
3770 | or [ebx+18h],ah |
||
3771 | jmp elf_segment_flags |
||
3772 | elf_segment_flags_ok: |
||
109 | heavyiron | 3773 | mov eax,edi |
157 | heavyiron | 3774 | sub eax,[code_start] |
3775 | mov [ebx+4],eax |
||
3776 | pop edx |
||
3777 | and eax,0FFFh |
||
3778 | add edx,eax |
||
3779 | mov [ebx+8],edx |
||
3780 | mov [ebx+0Ch],edx |
||
3781 | mov eax,edx |
||
3782 | xor edx,edx |
||
3783 | not eax |
||
3784 | not edx |
||
3785 | add eax,1 |
||
3786 | adc edx,0 |
||
3787 | add eax,edi |
||
3788 | adc edx,0 |
||
3789 | mov dword [org_origin],eax |
||
3790 | mov dword [org_origin+4],edx |
||
3791 | mov [org_registers],0 |
||
3792 | mov [org_start],edi |
||
3793 | inc [number_of_sections] |
||
3794 | jmp instruction_assembled |
||
3795 | close_elf_segment: |
||
109 | heavyiron | 3796 | cmp [number_of_sections],0 |
157 | heavyiron | 3797 | jne finish_elf_segment |
3798 | cmp edi,[symbols_stream] |
||
3799 | jne first_elf_segment_ok |
||
3800 | push edi |
||
3801 | mov edi,[code_start] |
||
3802 | add edi,34h |
||
3803 | mov ecx,20h shr 2 |
||
3804 | xor eax,eax |
||
3805 | rep stos dword [edi] |
||
3806 | pop edi |
||
3807 | mov eax,[image_base] |
||
3808 | ret |
||
3809 | first_elf_segment_ok: |
||
109 | heavyiron | 3810 | inc [number_of_sections] |
157 | heavyiron | 3811 | finish_elf_segment: |
109 | heavyiron | 3812 | mov ebx,[number_of_sections] |
157 | heavyiron | 3813 | dec ebx |
3814 | shl ebx,5 |
||
3815 | add ebx,[code_start] |
||
3816 | add ebx,34h |
||
3817 | mov eax,edi |
||
3818 | sub eax,[code_start] |
||
3819 | sub eax,[ebx+4] |
||
3820 | mov edx,edi |
||
3821 | cmp edi,[undefined_data_end] |
||
3822 | jne elf_segment_size_ok |
||
3823 | mov edi,[undefined_data_start] |
||
3824 | elf_segment_size_ok: |
||
109 | heavyiron | 3825 | mov [ebx+14h],eax |
157 | heavyiron | 3826 | add eax,edi |
3827 | sub eax,edx |
||
3828 | mov [ebx+10h],eax |
||
3829 | mov eax,[ebx+8] |
||
3830 | add eax,[ebx+14h] |
||
3831 | add eax,0FFFh |
||
3832 | and eax,not 0FFFh |
||
3833 | ret |
||
3834 | elf64_segment: |
||
109 | heavyiron | 3835 | call close_elf64_segment |
157 | heavyiron | 3836 | push eax edx |
3837 | mov ebx,[number_of_sections] |
||
3838 | imul ebx,38h |
||
3839 | add ebx,[code_start] |
||
3840 | add ebx,40h |
||
3841 | cmp ebx,[symbols_stream] |
||
3842 | jb new_elf64_segment |
||
3843 | mov ebx,[symbols_stream] |
||
3844 | sub ebx,38h |
||
3845 | push edi |
||
3846 | mov edi,ebx |
||
3847 | mov ecx,38h shr 2 |
||
3848 | xor eax,eax |
||
3849 | rep stos dword [edi] |
||
3850 | pop edi |
||
3851 | or [next_pass_needed],-1 |
||
3852 | new_elf64_segment: |
||
109 | heavyiron | 3853 | mov byte [ebx],1 |
157 | heavyiron | 3854 | mov word [ebx+30h],1000h |
3855 | elf64_segment_flags: |
||
109 | heavyiron | 3856 | cmp byte [esi],19h |
157 | heavyiron | 3857 | jne elf64_segment_flags_ok |
3858 | lods word [esi] |
||
3859 | sub ah,28 |
||
3860 | jbe invalid_argument |
||
3861 | cmp ah,1 |
||
3862 | je mark_elf64_segment_flag |
||
3863 | cmp ah,3 |
||
3864 | ja invalid_argument |
||
3865 | xor ah,1 |
||
3866 | cmp ah,2 |
||
3867 | je mark_elf64_segment_flag |
||
3868 | inc ah |
||
3869 | mark_elf64_segment_flag: |
||
109 | heavyiron | 3870 | test [ebx+4],ah |
157 | heavyiron | 3871 | jnz setting_already_specified |
3872 | or [ebx+4],ah |
||
3873 | jmp elf64_segment_flags |
||
3874 | elf64_segment_flags_ok: |
||
109 | heavyiron | 3875 | mov ecx,edi |
157 | heavyiron | 3876 | sub ecx,[code_start] |
3877 | mov [ebx+8],ecx |
||
3878 | pop edx eax |
||
3879 | and ecx,0FFFh |
||
3880 | add eax,ecx |
||
3881 | adc edx,0 |
||
3882 | mov [ebx+10h],eax |
||
3883 | mov [ebx+10h+4],edx |
||
3884 | mov [ebx+18h],eax |
||
3885 | mov [ebx+18h+4],edx |
||
3886 | not eax |
||
3887 | not edx |
||
3888 | add eax,1 |
||
3889 | adc edx,0 |
||
3890 | add eax,edi |
||
3891 | adc edx,0 |
||
3892 | mov dword [org_origin],eax |
||
3893 | mov dword [org_origin+4],edx |
||
3894 | mov [org_registers],0 |
||
3895 | mov [org_start],edi |
||
3896 | inc [number_of_sections] |
||
3897 | jmp instruction_assembled |
||
3898 | close_elf64_segment: |
||
109 | heavyiron | 3899 | cmp [number_of_sections],0 |
157 | heavyiron | 3900 | jne finish_elf64_segment |
3901 | cmp edi,[symbols_stream] |
||
3902 | jne first_elf64_segment_ok |
||
3903 | push edi |
||
3904 | mov edi,[code_start] |
||
3905 | add edi,40h |
||
3906 | mov ecx,38h shr 2 |
||
3907 | xor eax,eax |
||
3908 | rep stos dword [edi] |
||
3909 | pop edi |
||
3910 | mov eax,[image_base] |
||
3911 | mov edx,[image_base_high] |
||
3912 | ret |
||
3913 | first_elf64_segment_ok: |
||
109 | heavyiron | 3914 | inc [number_of_sections] |
157 | heavyiron | 3915 | finish_elf64_segment: |
109 | heavyiron | 3916 | mov ebx,[number_of_sections] |
157 | heavyiron | 3917 | dec ebx |
3918 | imul ebx,38h |
||
3919 | add ebx,[code_start] |
||
3920 | add ebx,40h |
||
3921 | mov eax,edi |
||
3922 | sub eax,[code_start] |
||
3923 | sub eax,[ebx+8] |
||
3924 | mov edx,edi |
||
3925 | cmp edi,[undefined_data_end] |
||
3926 | jne elf64_segment_size_ok |
||
3927 | mov edi,[undefined_data_start] |
||
3928 | elf64_segment_size_ok: |
||
109 | heavyiron | 3929 | mov [ebx+28h],eax |
157 | heavyiron | 3930 | add eax,edi |
3931 | sub eax,edx |
||
3932 | mov [ebx+20h],eax |
||
3933 | mov eax,[ebx+10h] |
||
3934 | mov edx,[ebx+10h+4] |
||
3935 | add eax,[ebx+28h] |
||
3936 | adc edx,0 |
||
3937 | sub eax,1 |
||
3938 | sbb edx,0 |
||
3939 | shrd eax,edx,12 |
||
3940 | shr edx,12 |
||
3941 | add eax,1 |
||
3942 | adc edx,0 |
||
3943 | shld edx,eax,12 |
||
3944 | shl eax,12 |
||
3945 | ret |
||
3946 | close_elf_exe: |
||
31 | halyavin | 3947 | test [format_flags],8 |
157 | heavyiron | 3948 | jnz close_elf64_exe |
3949 | call close_elf_segment |
||
3950 | mov edx,[code_start] |
||
3951 | mov eax,[number_of_sections] |
||
3952 | mov byte [edx+1Ch],34h |
||
3953 | mov [edx+2Ch],ax |
||
3954 | shl eax,5 |
||
3955 | add eax,edx |
||
3956 | add eax,34h |
||
3957 | cmp eax,[symbols_stream] |
||
3958 | je elf_exe_ok |
||
3959 | or [next_pass_needed],-1 |
||
3960 | elf_exe_ok: |
||
31 | halyavin | 3961 | ret |
157 | heavyiron | 3962 | close_elf64_exe: |
31 | halyavin | 3963 | call close_elf64_segment |
157 | heavyiron | 3964 | mov edx,[code_start] |
3965 | mov eax,[number_of_sections] |
||
3966 | mov byte [edx+20h],40h |
||
3967 | mov [edx+38h],ax |
||
3968 | imul eax,38h |
||
3969 | add eax,edx |
||
3970 | add eax,40h |
||
3971 | cmp eax,[symbols_stream] |
||
3972 | je elf64_exe_ok |
||
3973 | or [next_pass_needed],-1 |
||
3974 | elf64_exe_ok: |
||
31 | halyavin | 3975 | ret |
157 | heavyiron | 3976 | |
992 | heavyiron | 3977 | |
3978 | mov ebx,[code_start] |
||
3979 | mov dword [ebx],'fas'+27 shl 24 |
||
3980 | mov dword [ebx+4],VERSION_MAJOR + VERSION_MINOR shl 8 + 38h shl 16 |
||
3981 | add ebx,38h |
||
3982 | mov edi,ebx |
||
3983 | mov dword [ebx-38h+10h],38h |
||
3984 | mov dword [ebx-38h+8],0 |
||
3985 | mov esi,[input_file] |
||
3986 | call copy_asciiz |
||
3987 | cmp edi,[display_buffer] |
||
3988 | jae out_of_memory |
||
3989 | mov eax,edi |
||
3990 | sub eax,ebx |
||
3991 | mov [ebx-38h+0Ch],eax |
||
3992 | mov esi,[output_file] |
||
3993 | call copy_asciiz |
||
3994 | cmp edi,[display_buffer] |
||
3995 | jae out_of_memory |
||
3996 | mov edx,[symbols_stream] |
||
3997 | mov ebp,[free_additional_memory] |
||
3998 | mov [number_of_sections],0 |
||
3999 | cmp [output_format],4 |
||
4000 | je prepare_strings_table |
||
4001 | cmp [output_format],5 |
||
4002 | jne strings_table_ready |
||
4003 | bt [format_flags],0 |
||
4004 | jc strings_table_ready |
||
4005 | prepare_strings_table: |
||
4006 | cmp edx,ebp |
||
4007 | je strings_table_ready |
||
4008 | mov al,[edx] |
||
4009 | test al,al |
||
4010 | jz prepare_string |
||
4011 | cmp al,80h |
||
4012 | je prepare_string |
||
4013 | add edx,0Ch |
||
4014 | cmp al,0C0h |
||
4015 | jne prepare_strings_table |
||
4016 | add edx,4 |
||
4017 | jmp prepare_strings_table |
||
4018 | prepare_string: |
||
4019 | mov esi,edi |
||
4020 | sub esi,ebx |
||
4021 | xchg esi,[edx+4] |
||
4022 | test al,al |
||
4023 | jz prepare_section_string |
||
4024 | or dword [edx+4],1 shl 31 |
||
4025 | add edx,0Ch |
||
4026 | prepare_external_string: |
||
4027 | mov ecx,[esi] |
||
4028 | add esi,4 |
||
4029 | rep movs byte [edi],[esi] |
||
4030 | mov byte [edi],0 |
||
4031 | inc edi |
||
4032 | cmp edi,[display_buffer] |
||
4033 | jae out_of_memory |
||
4034 | jmp prepare_strings_table |
||
4035 | prepare_section_string: |
||
4036 | mov ecx,[number_of_sections] |
||
4037 | mov eax,ecx |
||
4038 | inc eax |
||
4039 | mov [number_of_sections],eax |
||
4040 | xchg eax,[edx+4] |
||
4041 | shl ecx,2 |
||
4042 | add ecx,[free_additional_memory] |
||
4043 | mov [ecx],eax |
||
4044 | add edx,20h |
||
4045 | test esi,esi |
||
4046 | jz prepare_default_section_string |
||
4047 | cmp [output_format],5 |
||
4048 | jne prepare_external_string |
||
4049 | bt [format_flags],0 |
||
4050 | jc prepare_external_string |
||
4051 | mov esi,[esi] |
||
4052 | add esi,[resource_data] |
||
4053 | copy_elf_section_name: |
||
4054 | lods byte [esi] |
||
4055 | cmp edi,[display_buffer] |
||
4056 | jae out_of_memory |
||
4057 | stos byte [edi] |
||
4058 | test al,al |
||
4059 | jnz copy_elf_section_name |
||
4060 | jmp prepare_strings_table |
||
4061 | prepare_default_section_string: |
||
4062 | mov eax,'.fla' |
||
4063 | stos dword [edi] |
||
4064 | mov ax,'t' |
||
4065 | stos word [edi] |
||
4066 | cmp edi,[display_buffer] |
||
4067 | jae out_of_memory |
||
4068 | jmp prepare_strings_table |
||
4069 | strings_table_ready: |
||
4070 | mov edx,[display_buffer] |
||
4071 | mov ebp,[memory_end] |
||
4072 | sub ebp,[labels_list] |
||
4073 | add ebp,edx |
||
4074 | prepare_labels_dump: |
||
4075 | cmp edx,ebp |
||
4076 | je labels_dump_ok |
||
4077 | mov eax,[edx+24] |
||
4078 | test eax,eax |
||
4079 | jz label_dump_name_ok |
||
4080 | cmp eax,[memory_start] |
||
4081 | jb label_name_outside_source |
||
4082 | cmp eax,[source_start] |
||
4083 | ja label_name_outside_source |
||
4084 | sub eax,[memory_start] |
||
4085 | dec eax |
||
4086 | mov [edx+24],eax |
||
4087 | jmp label_dump_name_ok |
||
4088 | label_name_outside_source: |
||
4089 | mov esi,eax |
||
4090 | mov eax,edi |
||
4091 | sub eax,ebx |
||
4092 | or eax,1 shl 31 |
||
4093 | mov [edx+24],eax |
||
4094 | movzx ecx,byte [esi-1] |
||
4095 | lea eax,[edi+ecx+1] |
||
4096 | cmp edi,[display_buffer] |
||
4097 | jae out_of_memory |
||
4098 | rep movsb |
||
4099 | xor al,al |
||
4100 | stosb |
||
4101 | label_dump_name_ok: |
||
4102 | mov eax,[edx+28] |
||
4103 | test eax,eax |
||
4104 | jz label_dump_line_ok |
||
4105 | sub eax,[memory_start] |
||
4106 | mov [edx+28],eax |
||
4107 | label_dump_line_ok: |
||
4108 | mov eax,[edx+20] |
||
4109 | test eax,eax |
||
4110 | jz base_symbol_for_label_ok |
||
4111 | cmp eax,[symbols_stream] |
||
4112 | mov eax,[eax+4] |
||
4113 | jae base_symbol_for_label_ok |
||
4114 | xor eax,eax |
||
4115 | base_symbol_for_label_ok: |
||
4116 | mov [edx+20],eax |
||
4117 | add edx,LABEL_STRUCTURE_SIZE |
||
1053 | heavyiron | 4118 | jmp prepare_labels_dump |
992 | heavyiron | 4119 | labels_dump_ok: |
4120 | mov eax,edi |
||
4121 | sub eax,ebx |
||
4122 | mov [ebx-38h+14h],eax |
||
4123 | add eax,38h |
||
4124 | mov [ebx-38h+18h],eax |
||
4125 | mov ecx,[memory_end] |
||
4126 | sub ecx,[labels_list] |
||
4127 | mov [ebx-38h+1Ch],ecx |
||
4128 | add eax,ecx |
||
4129 | mov [ebx-38h+20h],eax |
||
4130 | mov ecx,[source_start] |
||
4131 | sub ecx,[memory_start] |
||
4132 | mov [ebx-38h+24h],ecx |
||
4133 | add eax,ecx |
||
4134 | mov [ebx-38h+28h],eax |
||
4135 | mov eax,[number_of_sections] |
||
4136 | shl eax,2 |
||
1054 | heavyiron | 4137 | mov [ebx-38h+34h],eax |
992 | heavyiron | 4138 | mov esi,[memory_start] |
4139 | prepare_preprocessed_source: |
||
4140 | cmp esi,[source_start] |
||
4141 | jae preprocessed_source_ok |
||
4142 | mov eax,[memory_start] |
||
4143 | mov edx,[input_file] |
||
4144 | cmp [esi],edx |
||
4145 | jne line_not_from_main_input |
||
4146 | mov [esi],eax |
||
4147 | line_not_from_main_input: |
||
4148 | sub [esi],eax |
||
4149 | test byte [esi+7],1 shl 7 |
||
4150 | jz prepare_next_preprocessed_line |
||
4151 | sub [esi+8],eax |
||
4152 | sub [esi+12],eax |
||
4153 | prepare_next_preprocessed_line: |
||
4154 | add esi,16 |
||
4155 | call skip_foreign_line |
||
4156 | jmp prepare_preprocessed_source |
||
4157 | preprocessed_source_ok: |
||
4158 | mov esi,[labels_list] |
||
4159 | mov ebp,edi |
||
4160 | make_lines_dump: |
||
4161 | cmp esi,[display_buffer] |
||
4162 | je lines_dump_ok |
||
4163 | mov eax,[esi-4] |
||
4164 | mov ecx,[esi-8] |
||
4165 | sub esi,8 |
||
4166 | sub esi,ecx |
||
4167 | cmp eax,1 |
||
4168 | jne make_lines_dump |
||
4169 | mov eax,[esi+4] |
||
4170 | sub eax,[code_start] |
||
4171 | add eax,[headers_size] |
||
4172 | cmp byte [esi+1Ah],0 |
||
4173 | je store_offset |
||
4174 | xor eax,eax |
||
4175 | store_offset: |
||
4176 | stos dword [edi] |
||
4177 | mov eax,[esi] |
||
4178 | sub eax,[memory_start] |
||
4179 | stos dword [edi] |
||
4180 | mov eax,[esi+4] |
||
4181 | xor edx,edx |
||
4182 | sub eax,[esi+8] |
||
4183 | sbb edx,[esi+8+4] |
||
4184 | stos dword [edi] |
||
4185 | mov eax,edx |
||
4186 | stos dword [edi] |
||
4187 | mov eax,[esi+10h] |
||
4188 | stos dword [edi] |
||
4189 | mov eax,[esi+14h] |
||
4190 | test eax,eax |
||
4191 | jz base_symbol_for_line_ok |
||
4192 | cmp eax,[symbols_stream] |
||
4193 | mov eax,[eax+4] |
||
4194 | jae base_symbol_for_line_ok |
||
4195 | xor eax,eax |
||
4196 | base_symbol_for_line_ok: |
||
4197 | stos dword [edi] |
||
4198 | mov eax,[esi+18h] |
||
4199 | and eax,001FFFFh |
||
4200 | stos dword [edi] |
||
4201 | jmp make_lines_dump |
||
4202 | lines_dump_ok: |
||
4203 | mov edx,edi |
||
4204 | mov eax,[current_offset] |
||
4205 | sub eax,[code_start] |
||
4206 | add eax,[headers_size] |
||
4207 | stos dword [edi] |
||
4208 | mov ecx,edi |
||
4209 | sub ecx,ebx |
||
4210 | sub ecx,[ebx-38h+14h] |
||
4211 | mov [ebx-38h+2Ch],ecx |
||
4212 | add ecx,[ebx-38h+28h] |
||
4213 | mov [ebx-38h+30h],ecx |
||
4214 | find_inexisting_offsets: |
||
4215 | sub edx,1Ch |
||
4216 | cmp edx,ebp |
||
4217 | jb write_symbols |
||
4218 | test byte [edx+1Ah],1 |
||
4219 | jnz find_inexisting_offsets |
||
4220 | cmp eax,[edx] |
||
4221 | jb correct_inexisting_offset |
||
4222 | mov eax,[edx] |
||
4223 | jmp find_inexisting_offsets |
||
4224 | correct_inexisting_offset: |
||
4225 | mov dword [edx],0 |
||
4226 | or byte [edx+1Ah],2 |
||
4227 | jmp find_inexisting_offsets |
||
4228 | write_symbols: |
||
4229 | mov edx,[symbols_file] |
||
4230 | call create |
||
4231 | jc write_failed |
||
4232 | mov edx,[code_start] |
||
4233 | mov ecx,[edx+14h] |
||
4234 | add ecx,38h |
||
4235 | call write |
||
4236 | mov edx,[display_buffer] |
||
4237 | mov ecx,[memory_end] |
||
4238 | sub ecx,[labels_list] |
||
4239 | call write |
||
4240 | mov edx,[memory_start] |
||
4241 | mov ecx,[source_start] |
||
4242 | sub ecx,edx |
||
4243 | call write |
||
4244 | mov edx,ebp |
||
4245 | mov ecx,edi |
||
4246 | sub ecx,edx |
||
4247 | call write |
||
4248 | mov edx,[free_additional_memory] |
||
4249 | mov ecx,[number_of_sections] |
||
4250 | shl ecx,2 |
||
4251 | call write |
||
4252 | call close |
||
4253 | ret |
||
4254 |