Rev 205 | Rev 485 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
205 | heavyiron | 1 | format binary |
2 | use32 |
||
3 | db 'MENUET01' |
||
4 | dd 1 |
||
5 | dd start |
||
6 | dd i_end |
||
7 | dd used_mem |
||
8 | dd used_mem |
||
9 | dd i_param |
||
10 | dd 0 |
||
11 | |||
12 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
13 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; GUI ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
14 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
15 | |||
16 | data_width equ 80 |
||
17 | data_x_pos equ 12 |
||
18 | data_x_size equ data_width*6 |
||
19 | |||
20 | title_x_pos equ 30 |
||
21 | title_y_pos equ 32 |
||
22 | title_y_size equ 10 |
||
23 | |||
24 | registers_x_pos equ data_x_pos |
||
25 | registers_y_pos equ (title_y_pos + title_y_size) |
||
26 | registers_y_size equ 30 |
||
27 | |||
28 | dump_y_pos equ (registers_y_pos + registers_y_size + 5) |
||
29 | dump_height equ 4 |
||
30 | dump_y_size equ (dump_height*10) |
||
31 | |||
32 | disasm_y_pos equ (dump_y_pos + dump_y_size + 4) |
||
33 | disasm_height equ 16 |
||
34 | disasm_y_size equ (disasm_height*10) |
||
35 | |||
36 | messages_width equ data_width |
||
37 | messages_height equ 12 |
||
38 | messages_x_pos equ data_x_pos |
||
39 | messages_y_pos equ (disasm_y_pos + disasm_y_size + 4) |
||
40 | messages_x_size equ messages_width*6 |
||
41 | messages_y_size equ messages_height*10 |
||
42 | |||
43 | cmdline_width equ data_width |
||
44 | cmdline_x_pos equ data_x_pos |
||
45 | cmdline_y_pos equ (messages_y_pos + messages_y_size + 10) |
||
46 | cmdline_x_size equ messages_x_size |
||
47 | cmdline_y_size equ 10 |
||
48 | |||
49 | wnd_x_size equ (data_x_pos + messages_x_size + data_x_pos) |
||
50 | wnd_y_size equ (cmdline_y_pos + cmdline_y_size + data_x_pos) |
||
51 | |||
52 | start: |
||
53 | mov edi, messages |
||
54 | mov ecx, messages_width*messages_height |
||
55 | mov al, ' ' |
||
56 | rep stosb |
||
57 | xor eax, eax |
||
58 | mov [messages_pos], eax |
||
59 | mov [cmdline_len], eax |
||
60 | mov [cmdline_pos], eax |
||
61 | mov edi, needzerostart |
||
62 | mov ecx, (needzeroend-needzerostart+3)/4 |
||
63 | rep stosd |
||
64 | mov esi, begin_str |
||
65 | call put_message_nodraw |
||
66 | ; set event mask - default events and debugging events |
||
67 | push 40 |
||
68 | pop eax |
||
69 | mov ebx, 0x107 |
||
70 | int 40h |
||
71 | ; set debug messages buffer |
||
72 | mov ecx, dbgbufsize |
||
73 | mov dword [ecx], 256 |
||
74 | xor ebx, ebx |
||
75 | mov [ecx+4], ebx |
||
76 | mov al, 69 |
||
77 | int 40h |
||
78 | mov esi, i_param |
||
79 | call skip_spaces |
||
80 | test al, al |
||
81 | jz dodraw |
||
82 | push esi |
||
83 | call draw_window |
||
84 | pop esi |
||
85 | call OnLoadInit |
||
86 | jmp waitevent |
||
87 | dodraw: |
||
88 | call draw_window |
||
89 | waitevent: |
||
90 | push 10 |
||
91 | pop eax |
||
92 | int 40h |
||
93 | cmp al, 9 |
||
94 | jz debugmsg |
||
95 | dec eax |
||
96 | jz dodraw |
||
97 | dec eax |
||
98 | jz keypressed |
||
99 | dec eax |
||
100 | jnz waitevent |
||
101 | ; button pressed - we have only one button (close) |
||
102 | push -1 |
||
103 | pop eax |
||
104 | int 40h |
||
105 | keypressed: |
||
106 | mov al, 2 |
||
107 | int 40h |
||
108 | shr eax, 8 |
||
109 | cmp al, 8 |
||
110 | jz .backspace |
||
111 | cmp al, 0xB0 |
||
112 | jz .left |
||
113 | cmp al, 0xB3 |
||
114 | jz .right |
||
115 | cmp al, 0x0D |
||
116 | jz .enter |
||
117 | cmp al, 0xB6 |
||
118 | jz .del |
||
119 | cmp al, 0xB4 |
||
120 | jz .home |
||
121 | cmp al, 0xB5 |
||
122 | jz .end |
||
123 | cmp al, 0xB1 |
||
124 | jz .down |
||
125 | cmp al, 0xB2 |
||
126 | jz .up |
||
127 | cmp al, 0xD8 |
||
128 | jz CtrlF7 |
||
129 | cmp al, 0xD9 |
||
130 | jz CtrlF8 |
||
131 | cmp [cmdline_len], cmdline_width |
||
132 | jae waitevent |
||
133 | push eax |
||
134 | call clear_cmdline_end |
||
135 | pop eax |
||
136 | mov edi, cmdline |
||
137 | mov ecx, [cmdline_len] |
||
138 | add edi, ecx |
||
139 | lea esi, [edi-1] |
||
140 | sub ecx, [cmdline_pos] |
||
141 | std |
||
142 | rep movsb |
||
143 | cld |
||
144 | stosb |
||
145 | inc [cmdline_len] |
||
146 | call draw_cmdline_end |
||
147 | inc [cmdline_pos] |
||
148 | call draw_cursor |
||
149 | jmp waitevent |
||
150 | .backspace: |
||
151 | cmp [cmdline_pos], 0 |
||
152 | jz waitevent |
||
153 | dec [cmdline_pos] |
||
154 | .delchar: |
||
155 | call clear_cmdline_end |
||
156 | mov edi, [cmdline_pos] |
||
157 | dec [cmdline_len] |
||
158 | mov ecx, [cmdline_len] |
||
159 | sub ecx, edi |
||
160 | add edi, cmdline |
||
161 | lea esi, [edi+1] |
||
162 | rep movsb |
||
163 | call draw_cmdline_end |
||
164 | call draw_cursor |
||
165 | jmp waitevent |
||
166 | .del: |
||
167 | mov eax, [cmdline_pos] |
||
168 | cmp eax, [cmdline_len] |
||
169 | jae waitevent |
||
170 | jmp .delchar |
||
171 | .left: |
||
172 | cmp [cmdline_pos], 0 |
||
173 | jz waitevent |
||
174 | call hide_cursor |
||
175 | dec [cmdline_pos] |
||
176 | call draw_cursor |
||
177 | jmp waitevent |
||
178 | .right: |
||
179 | mov eax, [cmdline_pos] |
||
180 | cmp eax, [cmdline_len] |
||
181 | jae waitevent |
||
182 | call hide_cursor |
||
183 | inc [cmdline_pos] |
||
184 | call draw_cursor |
||
185 | jmp waitevent |
||
186 | .home: |
||
187 | call hide_cursor |
||
188 | and [cmdline_pos], 0 |
||
189 | call draw_cursor |
||
190 | jmp waitevent |
||
191 | .end: |
||
192 | call hide_cursor |
||
193 | mov eax, [cmdline_len] |
||
194 | mov [cmdline_pos], eax |
||
195 | call draw_cursor |
||
196 | .up: |
||
197 | .down: |
||
198 | jmp waitevent |
||
199 | .enter: |
||
200 | mov ecx, [cmdline_len] |
||
201 | test ecx, ecx |
||
202 | jz waitevent |
||
203 | mov esi, cmdline |
||
204 | mov byte [esi+ecx], 0 |
||
205 | and [cmdline_pos], 0 |
||
206 | push esi |
||
207 | call clear_cmdline_end |
||
208 | call draw_cursor |
||
209 | pop esi |
||
210 | and [cmdline_len], 0 |
||
211 | ; skip leading spaces |
||
212 | call skip_spaces |
||
213 | cmp al, 0 |
||
214 | jz waitevent |
||
215 | ; now esi points to command |
||
216 | push esi |
||
217 | mov esi, prompt |
||
218 | call put_message_nodraw |
||
219 | pop esi |
||
220 | push esi |
||
221 | call put_message_nodraw |
||
222 | z1: mov esi, newline |
||
223 | call put_message |
||
224 | pop esi |
||
225 | push esi |
||
226 | call get_arg |
||
227 | mov [curarg], esi |
||
228 | pop edi |
||
229 | mov esi, commands |
||
230 | call find_cmd |
||
231 | mov eax, aUnknownCommand |
||
232 | jc .x11 |
||
233 | ; check command requirements |
||
234 | ; flags field: |
||
235 | ; &1: command may be called without parameters |
||
236 | ; &2: command may be called with parameters |
||
237 | ; &4: command may be called without loaded program |
||
238 | ; &8: command may be called with loaded program |
||
239 | mov eax, [esi+8] |
||
240 | mov ecx, [curarg] |
||
241 | cmp byte [ecx], 0 |
||
242 | jz .noargs |
||
243 | test byte [esi+16], 2 |
||
244 | jz .x11 |
||
245 | jmp @f |
||
246 | .noargs: |
||
247 | test byte [esi+16], 1 |
||
248 | jz .x11 |
||
249 | @@: |
||
250 | cmp [debuggee_pid], 0 |
||
251 | jz .nodebuggee |
||
252 | mov eax, aAlreadyLoaded |
||
253 | test byte [esi+16], 8 |
||
254 | jz .x11 |
||
255 | jmp .x9 |
||
256 | .nodebuggee: |
||
257 | mov eax, need_debuggee |
||
258 | test byte [esi+16], 4 |
||
259 | jnz .x9 |
||
260 | .x11: |
||
261 | xchg esi, eax |
||
262 | call put_message |
||
263 | .x10: |
||
264 | jmp waitevent |
||
265 | .x9: |
||
266 | call dword [esi+4] |
||
267 | jmp .x10 |
||
268 | |||
269 | find_cmd: |
||
270 | ; all commands are case-insensitive |
||
271 | push edi |
||
272 | .x4: |
||
273 | mov al, [edi] |
||
274 | cmp al, 0 |
||
275 | jz .x5 |
||
276 | cmp al, 'A' |
||
277 | jb @f |
||
278 | cmp al, 'Z' |
||
279 | ja @f |
||
280 | or al, 20h |
||
281 | @@: |
||
282 | stosb |
||
283 | jmp .x4 |
||
284 | .x5: |
||
285 | ; find command |
||
286 | pop edi |
||
287 | .x6: |
||
288 | cmp dword [esi], 0 |
||
289 | jz .x7 |
||
290 | push esi |
||
291 | mov esi, [esi] |
||
292 | lodsb |
||
293 | movzx ecx, al |
||
294 | push edi |
||
295 | repz cmpsb |
||
296 | pop edi |
||
297 | pop esi |
||
298 | jz .x8 |
||
299 | add esi, 17 |
||
300 | jmp .x6 |
||
301 | .x7: |
||
302 | stc |
||
303 | .x8: |
||
304 | ret |
||
305 | |||
306 | get_arg: |
||
307 | lodsb |
||
308 | cmp al, ' ' |
||
309 | ja get_arg |
||
310 | mov byte [esi-1], 0 |
||
311 | cmp al, 0 |
||
312 | jnz skip_spaces |
||
313 | dec esi |
||
314 | skip_spaces: |
||
315 | lodsb |
||
316 | cmp al, 0 |
||
317 | jz @f |
||
318 | cmp al, ' ' |
||
319 | jbe skip_spaces |
||
320 | @@: dec esi |
||
321 | ret |
||
322 | |||
323 | clear_cmdline_end: |
||
324 | mov ebx, [cmdline_pos] |
||
325 | mov ecx, [cmdline_len] |
||
326 | sub ecx, ebx |
||
327 | push 13 |
||
328 | pop eax |
||
329 | imul ebx, 6 |
||
330 | imul ecx, 6 |
||
331 | inc ecx |
||
332 | add ebx, cmdline_x_pos |
||
333 | shl ebx, 16 |
||
334 | or ebx, ecx |
||
335 | mov ecx, cmdline_y_pos*10000h + cmdline_y_size |
||
336 | mov edx, 0xFFFFFF |
||
337 | int 40h |
||
338 | ret |
||
339 | |||
340 | draw_cmdline: |
||
341 | xor ebx, ebx |
||
342 | jmp @f |
||
343 | draw_cmdline_end: |
||
344 | mov ebx, [cmdline_pos] |
||
345 | @@: |
||
346 | mov esi, [cmdline_len] |
||
347 | sub esi, ebx |
||
348 | push 4 |
||
349 | pop eax |
||
350 | xor ecx, ecx |
||
351 | lea edx, [cmdline+ebx] |
||
352 | imul ebx, 6 |
||
353 | add ebx, cmdline_x_pos |
||
354 | shl ebx, 16 |
||
355 | or ebx, cmdline_y_pos+1 |
||
356 | int 40h |
||
357 | ret |
||
358 | |||
359 | put_message_nodraw: |
||
360 | ; in: esi->ASCIZ message |
||
361 | mov edx, [messages_pos] |
||
362 | .m: |
||
363 | lea edi, [messages+edx] |
||
364 | .l: |
||
365 | lodsb |
||
366 | cmp al, 0 |
||
367 | jz .done |
||
368 | call test_scroll |
||
369 | cmp al, 10 |
||
370 | jz .newline |
||
371 | cmp al, '%' |
||
372 | jnz @f |
||
373 | cmp dword [esp], z1 |
||
374 | jnz .format |
||
375 | @@: |
||
376 | stosb |
||
377 | inc edx |
||
378 | jmp .l |
||
379 | .newline: |
||
380 | push edx |
||
381 | mov ecx, messages_width |
||
382 | xor eax, eax |
||
383 | xchg eax, edx |
||
384 | div ecx |
||
385 | xchg eax, edx |
||
386 | pop edx |
||
387 | test eax, eax |
||
388 | jz .m |
||
389 | sub edx, eax |
||
390 | add edx, ecx |
||
391 | jmp .m |
||
392 | .done: |
||
393 | mov [messages_pos], edx |
||
394 | ret |
||
395 | .format: |
||
396 | ; at moment all format specs must be % |
||
397 | lodsb ; get |
||
398 | sub al, '0' |
||
399 | movzx ecx, al |
||
400 | lodsb |
||
401 | pop eax |
||
402 | pop ebp |
||
403 | push eax |
||
404 | ; write number in ebp with ecx digits |
||
405 | dec ecx |
||
406 | shl ecx, 2 |
||
407 | .writenibble: |
||
408 | push ecx |
||
409 | call test_scroll |
||
410 | pop ecx |
||
411 | mov eax, ebp |
||
412 | shr eax, cl |
||
413 | and al, 0xF |
||
414 | cmp al, 10 |
||
415 | sbb al, 69h |
||
416 | das |
||
417 | stosb |
||
418 | inc edx |
||
419 | sub ecx, 4 |
||
420 | jns .writenibble |
||
421 | jmp .l |
||
422 | |||
423 | test_scroll: |
||
424 | cmp edx, messages_width*messages_height |
||
425 | jnz .ret |
||
426 | push esi |
||
427 | mov edi, messages |
||
428 | lea esi, [edi+messages_width] |
||
429 | mov ecx, (messages_height-1)*messages_width/4 |
||
430 | rep movsd |
||
431 | push eax |
||
432 | mov al, ' ' |
||
433 | push edi |
||
434 | push messages_width |
||
435 | pop ecx |
||
436 | sub edx, ecx |
||
437 | rep stosb |
||
438 | pop edi |
||
439 | pop eax |
||
440 | pop esi |
||
441 | .ret: ret |
||
442 | |||
443 | put_message: |
||
444 | call put_message_nodraw |
||
445 | |||
446 | draw_messages: |
||
447 | push 13 |
||
448 | pop eax |
||
449 | mov edx, 0xFFFFFF |
||
450 | mov ebx, messages_x_pos*10000h+messages_x_size |
||
451 | mov ecx, messages_y_pos*10000h+messages_y_size |
||
452 | int 40h |
||
453 | mov edx, messages |
||
454 | push messages_width |
||
455 | pop esi |
||
456 | xor ecx, ecx |
||
457 | mov al, 4 |
||
458 | mov ebx, messages_x_pos*10000h+messages_y_pos |
||
459 | @@: |
||
460 | int 40h |
||
461 | add edx, esi |
||
462 | add ebx, 10 |
||
463 | cmp edx, messages+messages_width*messages_height |
||
464 | jb @b |
||
465 | ret |
||
466 | |||
467 | draw_cursor: |
||
468 | push 38 |
||
469 | pop eax |
||
470 | mov ecx, cmdline_y_pos*10001h+cmdline_y_size-1 |
||
471 | mov ebx, [cmdline_pos] |
||
472 | imul ebx, 6 |
||
473 | add ebx, cmdline_x_pos |
||
474 | mov edx, ebx |
||
475 | shl ebx, 16 |
||
476 | or ebx, edx |
||
477 | xor edx, edx |
||
478 | int 40h |
||
479 | ret |
||
480 | hide_cursor: |
||
481 | mov ebx, [cmdline_pos] |
||
482 | push 13 |
||
483 | pop eax |
||
484 | imul ebx, 6 |
||
485 | add ebx, cmdline_x_pos |
||
486 | shl ebx, 16 |
||
487 | inc ebx |
||
488 | mov ecx, cmdline_y_pos*10000h + cmdline_y_size |
||
489 | mov edx, 0xFFFFFF |
||
490 | int 40h |
||
491 | mov ebx, [cmdline_pos] |
||
492 | cmp ebx, [cmdline_len] |
||
493 | jae .ret |
||
494 | mov al, 4 |
||
495 | xor ecx, ecx |
||
496 | lea edx, [cmdline+ebx] |
||
497 | imul ebx, 6 |
||
498 | add ebx, cmdline_x_pos |
||
499 | shl ebx, 16 |
||
500 | or ebx, cmdline_y_pos+1 |
||
501 | push 1 |
||
502 | pop esi |
||
503 | int 40h |
||
504 | .ret: |
||
505 | ret |
||
506 | |||
507 | redraw_title: |
||
508 | push 13 |
||
509 | pop eax |
||
510 | mov edx, 0xFFFFFF |
||
511 | mov ebx, title_x_pos*10000h + data_x_pos+data_x_size-title_x_pos |
||
512 | mov ecx, title_y_pos*10000h + title_y_size |
||
513 | int 40h |
||
514 | draw_title: |
||
515 | mov al, 38 |
||
516 | mov ebx, (data_x_pos-2)*10000h + title_x_pos-5 |
||
517 | mov ecx, (title_y_pos+5)*10001h |
||
518 | xor edx, edx |
||
519 | int 40h |
||
520 | push NoPrgLoaded_len |
||
521 | pop esi |
||
522 | cmp [debuggee_pid], 0 |
||
523 | jz @f |
||
524 | mov esi, [prgname_len] |
||
525 | @@: imul ebx, esi, 6 |
||
526 | add ebx, title_x_pos+4 |
||
527 | shl ebx, 16 |
||
528 | mov bx, data_x_pos+data_x_size-10-5-6*7 |
||
529 | cmp [bSuspended], 0 |
||
530 | jz @f |
||
531 | add ebx, 6 |
||
532 | @@: |
||
533 | int 40h |
||
534 | mov ebx, (data_x_pos+data_x_size-10+4)*0x10000 + data_x_pos+data_x_size+2 |
||
535 | int 40h |
||
536 | mov al, 4 |
||
537 | mov ebx, title_x_pos*10000h+title_y_pos |
||
538 | xor ecx, ecx |
||
539 | mov edx, NoPrgLoaded_str |
||
540 | cmp [debuggee_pid], 0 |
||
541 | jz @f |
||
542 | mov edx, [prgname_ptr] |
||
543 | @@: |
||
544 | int 40h |
||
545 | cmp [debuggee_pid], 0 |
||
546 | jz .nodebuggee |
||
547 | mov ebx, (data_x_pos+data_x_size-10-6*7)*10000h + title_y_pos |
||
548 | mov edx, aRunning |
||
549 | push 7 |
||
550 | pop esi |
||
551 | cmp [bSuspended], 0 |
||
552 | jz @f |
||
553 | add ebx, 6*10000h |
||
554 | mov edx, aPaused |
||
555 | dec esi |
||
556 | @@: |
||
557 | int 40h |
||
558 | ret |
||
559 | .nodebuggee: |
||
560 | mov al, 38 |
||
561 | mov ebx, (data_x_pos+data_x_size-10-6*7-5)*0x10000 + data_x_pos+data_x_size+2 |
||
562 | mov ecx, (title_y_pos+5)*10001h |
||
563 | xor edx, edx |
||
564 | jmp @b |
||
565 | |||
566 | draw_register: |
||
567 | ; in: esi->value, edx->string, ecx=string len, ebx=coord |
||
568 | push edx |
||
569 | push ecx |
||
570 | push esi |
||
571 | mov eax, esi |
||
572 | mov esi, ecx |
||
573 | ; color |
||
574 | mov ecx, 808080h |
||
575 | cmp [debuggee_pid], 0 |
||
576 | jz .cd |
||
577 | cmp [bSuspended], 0 |
||
578 | jz .cd |
||
579 | xor ecx, ecx |
||
580 | mov edi, [eax] |
||
581 | cmp dword [eax+oldcontext-context], edi |
||
582 | jz .cd |
||
583 | mov ecx, 0x00AA00 |
||
584 | .cd: |
||
585 | push 4 |
||
586 | pop eax |
||
587 | int 40h |
||
588 | imul esi, 60000h |
||
589 | lea edx, [ebx+esi] |
||
590 | mov al, 47 |
||
591 | mov ebx, 80101h |
||
592 | mov esi, ecx |
||
593 | pop ecx |
||
594 | int 40h |
||
595 | lea ebx, [edx+60000h*18] |
||
596 | mov esi, ecx |
||
597 | pop ecx |
||
598 | pop edx |
||
599 | add edx, ecx |
||
600 | ret |
||
601 | draw_flag: |
||
602 | movzx edi, byte [edx+7] |
||
603 | bt [_eflags], edi |
||
604 | jc .on |
||
605 | or byte [edx], 20h |
||
606 | jmp .onoff |
||
607 | .on: |
||
608 | and byte [edx], not 20h |
||
609 | .onoff: |
||
610 | mov ecx, 808080h |
||
611 | cmp [debuggee_pid], 0 |
||
612 | jz .doit |
||
613 | cmp [bSuspended], 0 |
||
614 | jz .doit |
||
615 | xor ecx, ecx |
||
616 | bt [_eflags], edi |
||
617 | lahf |
||
618 | bt dword [_eflags + oldcontext - context], edi |
||
619 | rcl ah, 1 |
||
620 | test ah, 3 |
||
621 | jp .doit |
||
622 | mov ecx, 0x00AA00 |
||
623 | .doit: |
||
624 | mov ah, 0 |
||
625 | int 40h |
||
626 | ret |
||
627 | |||
628 | redraw_registers: |
||
629 | push 13 |
||
630 | pop eax |
||
631 | mov edx, 0xFFFFFF |
||
632 | mov ebx, data_x_pos*10000h + data_x_size |
||
633 | mov ecx, registers_y_pos*10000h + registers_y_size |
||
634 | int 40h |
||
635 | draw_registers: |
||
636 | mov esi, _eax |
||
637 | push 4 |
||
638 | pop ecx |
||
639 | mov edx, regs_strs |
||
640 | mov ebx, registers_x_pos*10000h+registers_y_pos |
||
641 | call draw_register |
||
642 | add esi, _ebx-_eax |
||
643 | call draw_register |
||
644 | add esi, _ecx-_ebx |
||
645 | call draw_register |
||
646 | add esi, _edx-_ecx |
||
647 | call draw_register |
||
648 | mov ebx, registers_x_pos*10000h+registers_y_pos+10 |
||
649 | add esi, _esi-_edx |
||
650 | call draw_register |
||
651 | add esi, _edi-_esi |
||
652 | call draw_register |
||
653 | add esi, _ebp-_edi |
||
654 | call draw_register |
||
655 | add esi, _esp-_ebp |
||
656 | call draw_register |
||
657 | mov ebx, registers_x_pos*10000h+registers_y_pos+20 |
||
658 | add esi, _eip-_esp |
||
659 | call draw_register |
||
660 | mov cl, 7 |
||
661 | add esi, _eflags-_eip |
||
662 | call draw_register |
||
663 | mov al, 4 |
||
664 | mov ecx, 808080h |
||
665 | cmp [debuggee_pid], 0 |
||
666 | jz @f |
||
667 | cmp [bSuspended], 0 |
||
668 | jz @f |
||
669 | xor ecx, ecx |
||
670 | @@: |
||
671 | mov edx, aColon |
||
672 | xor esi, esi |
||
673 | inc esi |
||
674 | mov ebx, (registers_x_pos+37*6)*10000h + registers_y_pos+20 |
||
675 | int 40h |
||
676 | mov edx, flags |
||
677 | @@: |
||
678 | add ebx, 2*6*10000h |
||
679 | call draw_flag |
||
680 | inc edx |
||
681 | cmp dl, flags_bits and 0xFF |
||
682 | jnz @b |
||
683 | ret |
||
684 | |||
685 | redraw_dump: |
||
686 | push 13 |
||
687 | pop eax |
||
688 | mov edx, 0xFFFFFF |
||
689 | mov ebx, data_x_pos*10000h + data_x_size |
||
690 | mov ecx, dump_y_pos*10000h + dump_y_size |
||
691 | int 40h |
||
692 | draw_dump: |
||
693 | ; addresses |
||
694 | mov al, 47 |
||
695 | mov ebx, 80100h |
||
696 | mov edx, data_x_pos*10000h + dump_y_pos |
||
697 | mov ecx, [dumppos] |
||
698 | mov esi, 808080h |
||
699 | cmp [debuggee_pid], 0 |
||
700 | jz @f |
||
701 | cmp [bSuspended], 0 |
||
702 | jz @f |
||
703 | xor esi, esi |
||
704 | @@: |
||
705 | int 40h |
||
706 | add ecx, 10h |
||
707 | add edx, 10 |
||
708 | cmp dl, dump_y_pos + dump_y_size |
||
709 | jb @b |
||
710 | ; hex dump of data |
||
711 | mov ebx, 20101h |
||
712 | mov ecx, dumpdata |
||
713 | push ecx |
||
714 | xor edi, edi |
||
715 | mov edx, (data_x_pos+12*6)*10000h + dump_y_pos |
||
716 | cmp [dumpread], edi |
||
717 | jz .hexdumpdone1 |
||
718 | .hexdumploop1: |
||
719 | int 40h |
||
720 | add edx, 3*6*10000h |
||
721 | inc ecx |
||
722 | inc edi |
||
723 | test edi, 15 |
||
724 | jz .16 |
||
725 | test edi, 7 |
||
726 | jnz @f |
||
727 | add edx, 2*6*10000h - 10 + 6*(3*10h+2)*10000h |
||
728 | .16: |
||
729 | add edx, 10 - 6*(3*10h+2)*10000h |
||
730 | @@: |
||
731 | cmp edi, [dumpread] |
||
732 | jb .hexdumploop1 |
||
733 | .hexdumpdone1: |
||
734 | mov al, 4 |
||
735 | mov ecx, esi |
||
736 | mov ebx, edx |
||
737 | push 2 |
||
738 | pop esi |
||
739 | mov edx, aQuests |
||
740 | .hexdumploop2: |
||
741 | cmp edi, dump_height*10h |
||
742 | jae .hexdumpdone2 |
||
743 | int 40h |
||
744 | add ebx, 3*6*10000h |
||
745 | inc edi |
||
746 | test edi, 15 |
||
747 | jz .16x |
||
748 | test edi, 7 |
||
749 | jnz .hexdumploop2 |
||
750 | add ebx, 2*6*10000h - 10 + 6*(3*10h+2)*10000h |
||
751 | .16x: |
||
752 | add ebx, 10 - 6*(3*10h+2)*10000h |
||
753 | jmp .hexdumploop2 |
||
754 | .hexdumpdone2: |
||
755 | dec esi |
||
756 | ; colon, minus signs |
||
757 | mov ebx, (data_x_pos+8*6)*10000h + dump_y_pos |
||
758 | mov edx, aColon |
||
759 | @@: |
||
760 | int 40h |
||
761 | add ebx, 10 |
||
762 | cmp bl, dump_y_pos+dump_height*10 |
||
763 | jb @b |
||
764 | mov ebx, (data_x_pos+(12+3*8)*6)*10000h + dump_y_pos |
||
765 | mov edx, aMinus |
||
766 | @@: |
||
767 | int 40h |
||
768 | add ebx, 10 |
||
769 | cmp bl, dump_y_pos+dump_height*10 |
||
770 | jb @b |
||
771 | ; ASCII data |
||
772 | mov ebx, (data_x_pos+(12+3*10h+2+2)*6)*10000h + dump_y_pos |
||
773 | mov edi, dump_height*10h |
||
774 | pop edx |
||
775 | .asciiloop: |
||
776 | push edx |
||
777 | cmp byte [edx], 20h |
||
778 | jae @f |
||
779 | mov edx, aPoint |
||
780 | @@: |
||
781 | int 40h |
||
782 | pop edx |
||
783 | inc edx |
||
784 | add ebx, 6*10000h |
||
785 | dec edi |
||
786 | jz .asciidone |
||
787 | test edi, 15 |
||
788 | jnz .asciiloop |
||
789 | add ebx, 10 - 6*10h*10000h |
||
790 | jmp .asciiloop |
||
791 | .asciidone: |
||
792 | ret |
||
793 | |||
794 | redraw_disasm: |
||
795 | push 13 |
||
796 | pop eax |
||
797 | mov edx, 0xFFFFFF |
||
798 | mov ebx, data_x_pos*10000h + data_x_size |
||
799 | mov ecx, (disasm_y_pos-1)*10000h + (disasm_y_size+1) |
||
800 | int 40h |
||
801 | draw_disasm: |
||
802 | mov eax, [disasm_start_pos] |
||
803 | mov [disasm_cur_pos], eax |
||
804 | and [disasm_cur_str], 0 |
||
805 | .loop: |
||
806 | push [disasm_cur_pos] |
||
807 | call disasm_instr |
||
808 | pop ebp |
||
809 | jc .loopend |
||
810 | xor esi, esi ; default color: black |
||
811 | mov ebx, data_x_pos*10000h + data_x_size |
||
812 | mov ecx, [disasm_cur_str] |
||
813 | imul ecx, 10*10000h |
||
814 | add ecx, (disasm_y_pos-1)*10000h + 10 |
||
815 | mov eax, ebp |
||
816 | pushad |
||
817 | call find_enabled_breakpoint |
||
818 | popad |
||
819 | jnz .nored |
||
820 | push 13 |
||
821 | pop eax |
||
822 | mov edx, 0xFF0000 |
||
823 | int 40h |
||
824 | .nored: |
||
825 | mov eax, [_eip] |
||
826 | cmp eax, ebp |
||
827 | jnz .noblue |
||
828 | push 13 |
||
829 | pop eax |
||
830 | mov edx, 0x0000FF |
||
831 | int 40h |
||
832 | mov esi, 0xFFFFFF ; on blue bgr, use white color |
||
833 | .noblue: |
||
834 | push 47 |
||
835 | pop eax |
||
836 | mov ebx, 80100h |
||
837 | mov edx, [disasm_cur_str] |
||
838 | imul edx, 10 |
||
839 | add edx, data_x_pos*10000h + disasm_y_pos |
||
840 | mov ecx, ebp |
||
841 | int 40h |
||
842 | mov al, 4 |
||
843 | lea ebx, [edx+8*6*10000h] |
||
844 | mov ecx, esi |
||
845 | push 1 |
||
846 | pop esi |
||
847 | mov edx, aColon |
||
848 | int 40h |
||
849 | push 9 |
||
850 | pop edi |
||
851 | lea edx, [ebx+2*6*10000h] |
||
852 | mov esi, ecx |
||
853 | mov al, 47 |
||
854 | mov ebx, 20101h |
||
855 | mov ecx, ebp |
||
856 | sub ecx, [disasm_start_pos] |
||
857 | add ecx, disasm_buffer |
||
858 | .drawhex: |
||
859 | int 40h |
||
860 | add edx, 6*3*10000h |
||
861 | inc ecx |
||
862 | inc ebp |
||
863 | cmp ebp, [disasm_cur_pos] |
||
864 | jae .hexdone |
||
865 | dec edi |
||
866 | jnz .drawhex |
||
867 | push esi |
||
868 | mov esi, [disasm_cur_pos] |
||
869 | dec esi |
||
870 | cmp esi, ebp |
||
871 | pop esi |
||
872 | jbe .drawhex |
||
873 | mov al, 4 |
||
874 | lea ebx, [edx-6*10000h] |
||
875 | mov ecx, esi |
||
876 | push 3 |
||
877 | pop esi |
||
878 | mov edx, aDots |
||
879 | int 40h |
||
880 | mov esi, ecx |
||
881 | .hexdone: |
||
882 | xor eax, eax |
||
883 | mov edi, disasm_string |
||
884 | mov edx, edi |
||
885 | or ecx, -1 |
||
886 | repnz scasb |
||
887 | not ecx |
||
888 | dec ecx |
||
889 | xchg ecx, esi |
||
890 | mov ebx, [disasm_cur_str] |
||
891 | imul ebx, 10 |
||
892 | add ebx, (data_x_pos+6*40)*10000h+disasm_y_pos |
||
893 | mov al, 4 |
||
894 | int 40h |
||
895 | inc [disasm_cur_str] |
||
896 | cmp [disasm_cur_str], disasm_height |
||
897 | jb .loop |
||
898 | .loopend: |
||
899 | ret |
||
900 | |||
901 | update_disasm_eip: |
||
902 | ; test if instruction at eip is showed |
||
903 | mov ecx, disasm_height |
||
904 | mov eax, [disasm_start_pos] |
||
905 | mov [disasm_cur_pos], eax |
||
906 | @@: |
||
907 | mov eax, [_eip] |
||
908 | cmp [disasm_cur_pos], eax |
||
909 | jz redraw_disasm |
||
910 | push ecx |
||
911 | call disasm_instr |
||
912 | pop ecx |
||
913 | jc @f |
||
914 | loop @b |
||
915 | @@: |
||
916 | update_disasm_eip_force: |
||
917 | mov eax, [_eip] |
||
918 | mov [disasm_start_pos], eax |
||
919 | update_disasm: |
||
920 | cmp [debuggee_pid], 0 |
||
921 | jz .no |
||
922 | push 69 |
||
923 | pop eax |
||
924 | push 6 |
||
925 | pop ebx |
||
926 | mov ecx, [debuggee_pid] |
||
927 | mov edi, disasm_buffer |
||
928 | mov edx, 256 |
||
929 | mov esi, [disasm_start_pos] |
||
930 | int 40h |
||
931 | cmp eax, -1 |
||
932 | jnz @f |
||
933 | mov esi, read_mem_err |
||
934 | call put_message |
||
935 | .no: |
||
936 | xor eax, eax |
||
937 | @@: |
||
938 | mov [disasm_buf_size], eax |
||
939 | call restore_from_breaks |
||
940 | jmp redraw_disasm |
||
941 | |||
942 | draw_window: |
||
943 | ; start redraw |
||
944 | push 12 |
||
945 | pop eax |
||
946 | push 1 |
||
947 | pop ebx |
||
948 | int 40h |
||
949 | ; define window |
||
950 | xor eax, eax |
||
951 | mov ebx, wnd_x_size |
||
952 | mov ecx, wnd_y_size |
||
953 | mov edx, 3FFFFFFh |
||
954 | int 40h |
||
955 | ; caption |
||
956 | mov al, 4 |
||
957 | mov ecx, 0xFFFFFF |
||
958 | mov ebx, 80008h |
||
959 | mov edx, caption_str |
||
960 | push caption_len |
||
961 | pop esi |
||
962 | int 40h |
||
963 | ; messages frame |
||
964 | mov al, 38 |
||
965 | mov ebx, (messages_x_pos-2)*10000h + (messages_x_pos+messages_x_size+2) |
||
966 | push ebx |
||
967 | mov ecx, (messages_y_pos-2)*10001h |
||
968 | xor edx, edx |
||
969 | int 40h |
||
970 | mov ecx, (messages_y_pos+messages_y_size+2)*10001h |
||
971 | int 40h |
||
972 | mov ebx, (messages_x_pos-2)*10001h |
||
973 | push ebx |
||
974 | mov ecx, (messages_y_pos-2)*10000h + (messages_y_pos+messages_y_size+2) |
||
975 | int 40h |
||
976 | mov ebx, (messages_x_pos+messages_x_size+2)*10001h |
||
977 | push ebx |
||
978 | int 40h |
||
979 | ; command line frame |
||
980 | mov ecx, (cmdline_y_pos-2)*10000h + (cmdline_y_pos+cmdline_y_size+2) |
||
981 | pop ebx |
||
982 | int 40h |
||
983 | pop ebx |
||
984 | int 40h |
||
985 | pop ebx |
||
986 | mov ecx, (cmdline_y_pos+cmdline_y_size+2)*10001h |
||
987 | int 40h |
||
988 | mov ecx, (cmdline_y_pos-2)*10001h |
||
989 | int 40h |
||
990 | ; messages |
||
991 | call draw_messages |
||
992 | ; command line & cursor |
||
993 | call draw_cmdline |
||
994 | call draw_cursor |
||
995 | ; title & registers & dump & disasm |
||
996 | mov al, 38 |
||
997 | mov ebx, (data_x_pos-2)*10001h |
||
998 | mov ecx, (title_y_pos+5)*10000h + (messages_y_pos-2) |
||
999 | int 40h |
||
1000 | mov ebx, (data_x_pos+data_x_size+2)*10001h |
||
1001 | int 40h |
||
1002 | mov ebx, (data_x_pos-2)*10000h + (data_x_pos+data_x_size+2) |
||
1003 | mov ecx, (dump_y_pos-3)*10001h |
||
1004 | int 40h |
||
1005 | mov ecx, (disasm_y_pos-4)*10001h |
||
1006 | int 40h |
||
1007 | call draw_title |
||
1008 | call draw_registers |
||
1009 | call draw_dump |
||
1010 | call draw_disasm |
||
1011 | ; end redraw |
||
1012 | mov al, 12 |
||
1013 | push 2 |
||
1014 | pop ebx |
||
1015 | int 40h |
||
1016 | ret |
||
1017 | |||
1018 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
1019 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; DEBUGGING ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
1020 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
1021 | |||
1022 | OnHelp: |
||
1023 | mov esi, help_msg |
||
1024 | mov edi, [curarg] |
||
1025 | cmp byte [edi], 0 |
||
1026 | jz .x |
||
1027 | mov esi, help_groups |
||
1028 | call find_cmd |
||
1029 | jc .nocmd |
||
1030 | mov esi, [esi+12] |
||
1031 | .x: |
||
1032 | jmp put_message |
||
1033 | .nocmd: |
||
1034 | mov esi, aUnknownCommand |
||
1035 | jmp .x |
||
1036 | |||
1037 | OnQuit: |
||
1038 | xor eax, eax |
||
1039 | dec eax |
||
1040 | int 40h |
||
1041 | |||
1042 | get_new_context: |
||
1043 | mov esi, context |
||
1044 | mov edi, oldcontext |
||
1045 | mov ecx, 10 |
||
1046 | rep movsd |
||
1047 | get_context: |
||
1048 | push 1 |
||
1049 | pop ebx |
||
1050 | push 69 |
||
1051 | pop eax |
||
1052 | mov ecx, [debuggee_pid] |
||
1053 | mov esi, context |
||
1054 | push 28h |
||
1055 | pop edx |
||
1056 | int 40h |
||
1057 | ret |
||
1058 | set_context: |
||
1059 | push 2 |
||
1060 | pop ebx |
||
1061 | push 69 |
||
1062 | pop eax |
||
1063 | mov ecx, [debuggee_pid] |
||
1064 | mov esi, context |
||
1065 | push 28h |
||
1066 | pop edx |
||
1067 | int 40h |
||
1068 | ret |
||
1069 | |||
1070 | get_dump: |
||
1071 | mov edi, dumpdata |
||
1072 | mov esi, [edi-4] |
||
1073 | mov edx, dump_height*10h |
||
1074 | mov ecx, edx |
||
1075 | xor eax, eax |
||
1076 | push edi |
||
1077 | rep stosb |
||
1078 | pop edi |
||
1079 | mov ecx, [debuggee_pid] |
||
1080 | mov al, 69 |
||
1081 | push 6 |
||
1082 | pop ebx |
||
1083 | int 40h |
||
1084 | cmp eax, -1 |
||
1085 | jnz @f |
||
1086 | mov esi, read_mem_err |
||
1087 | call put_message |
||
1088 | xor eax, eax |
||
1089 | @@: |
||
1090 | mov [edi-8], eax |
||
1091 | ; call restore_from_breaks |
||
1092 | ; ret |
||
1093 | restore_from_breaks: |
||
1094 | ; in: edi=buffer,eax=size,esi=address |
||
1095 | mov ebx, breakpoints |
||
1096 | @@: |
||
1097 | test byte [ebx+4], 1 |
||
1098 | jz .cont ; ignore invalid |
||
1099 | test byte [ebx+4], 2 or 8 |
||
1100 | jnz .cont ; ignore disabled and memory breaks |
||
1101 | mov ecx, [ebx] |
||
1102 | sub ecx, esi |
||
1103 | cmp ecx, eax |
||
1104 | jae .cont |
||
1105 | mov dl, [ebx+5] |
||
1106 | mov [edi+ecx], dl |
||
1107 | .cont: |
||
1108 | add ebx, 6 |
||
1109 | cmp ebx, breakpoints+breakpoints_n*6 |
||
1110 | jb @b |
||
1111 | ret |
||
1112 | |||
1113 | OnLoad: |
||
1114 | mov esi, [curarg] |
||
1115 | OnLoadInit: |
||
1116 | mov edi, loadname |
||
1117 | or [prgname_len], -1 |
||
1118 | mov [prgname_ptr], edi |
||
1119 | .copyname: |
||
1120 | lodsb |
||
1121 | stosb |
||
1122 | inc [prgname_len] |
||
1123 | cmp al, '/' |
||
1124 | jnz @f |
||
1125 | or [prgname_len], -1 |
||
1126 | mov [prgname_ptr], edi |
||
1127 | @@: |
||
1128 | cmp al, ' ' |
||
1129 | ja .copyname |
||
1130 | mov byte [edi-1], 0 |
||
1131 | and [load_params], 0 |
||
1132 | dec esi |
||
1133 | call skip_spaces |
||
1134 | cmp al, 0 |
||
1135 | jz @f |
||
1136 | mov [load_params], esi |
||
1137 | @@: |
||
1138 | and [dumppos], 0 |
||
1139 | do_reload: |
||
1140 | push 18 |
||
1141 | pop eax |
||
1142 | push 7 |
||
1143 | pop ebx |
||
1144 | int 40h |
||
1145 | mov [dbgwnd], eax |
||
1146 | xchg ecx, eax |
||
1147 | push 70 |
||
1148 | pop eax |
||
1149 | mov ebx, fn70_load_block |
||
1150 | int 40h |
||
1151 | test eax, eax |
||
1152 | jns .load_ok |
||
1153 | .load_err: |
||
1154 | push eax |
||
1155 | mov esi, load_err_msg |
||
1156 | call put_message |
||
1157 | pop eax |
||
1158 | not eax |
||
1159 | cmp eax, 0x20 |
||
1160 | jae .unk_err |
||
1161 | mov esi, [load_err_msgs+eax*4] |
||
1162 | test esi, esi |
||
1163 | jnz put_message |
||
1164 | .unk_err: |
||
1165 | mov esi, unk_err_msg |
||
1166 | inc eax |
||
1167 | push eax |
||
1168 | call put_message_nodraw |
||
1169 | jmp draw_messages |
||
1170 | .load_ok: |
||
1171 | mov [debuggee_pid], eax |
||
1172 | mov [bSuspended], 1 |
||
1173 | push ecx |
||
1174 | call get_context |
||
1175 | mov edi, oldcontext |
||
1176 | mov ecx, 10 |
||
1177 | rep movsd |
||
1178 | ; activate debugger window |
||
1179 | pop ecx |
||
1180 | mov bl, 3 |
||
1181 | push 18 |
||
1182 | pop eax |
||
1183 | int 40h |
||
1184 | call redraw_title |
||
1185 | call redraw_registers |
||
1186 | call get_dump |
||
1187 | call redraw_dump |
||
1188 | call update_disasm_eip_force |
||
1189 | mov esi, load_succ_msg |
||
1190 | push [debuggee_pid] |
||
1191 | call put_message_nodraw |
||
1192 | call draw_messages |
||
1193 | ; now test for packed progs |
||
1194 | cmp [disasm_buf_size], 100h |
||
1195 | jz @f |
||
1196 | ret |
||
1197 | @@: |
||
1198 | mov esi, mxp_nrv_sig |
||
1199 | mov ebp, disasm_buffer |
||
1200 | mov edi, ebp |
||
1201 | push 3 |
||
1202 | pop ecx |
||
1203 | repz cmpsb |
||
1204 | jnz .not_mxp_nrv |
||
1205 | cmpsb |
||
1206 | mov cl, mxp_nrv_sig_size-4 |
||
1207 | repz cmpsb |
||
1208 | mov esi, mxp_nrv_name |
||
1209 | jz .packed |
||
1210 | .not_mxp_nrv: |
||
1211 | mov esi, mxp_sig |
||
1212 | mov edi, ebp |
||
1213 | mov cl, mxp_sig_size |
||
1214 | repz cmpsb |
||
1215 | mov esi, mxp_name |
||
1216 | jz .packed |
||
1217 | .not_mxp: |
||
1218 | mov esi, mxp_lzo_sig1 |
||
1219 | mov edi, ebp |
||
1220 | mov cl, mxp_lzo_sig1_size |
||
1221 | repz cmpsb |
||
1222 | mov esi, mxp_lzo_name |
||
1223 | jz .packed |
||
1224 | mov esi, mxp_lzo_sig2 |
||
1225 | mov edi, ebp |
||
1226 | mov cl, 8 |
||
1227 | repz cmpsb |
||
1228 | jnz .not_mxp_lzo |
||
1229 | cmpsb |
||
1230 | mov cl, mxp_lzo_sig2_size - 9 |
||
1231 | repz cmpsb |
||
1232 | mov esi, mxp_lzo_name |
||
1233 | jz .packed |
||
1234 | .not_mxp_lzo: |
||
1235 | mov esi, mtappack_name |
||
1236 | cmp dword [ebp], 0xBF5E246A |
||
1237 | jnz .not_mtappack |
||
1238 | cmp dword [ebp+8], 0xEC4E8B57 |
||
1239 | jnz .not_mtappack1 |
||
1240 | cmp dword [ebp+12], 0x8D5EA4F3 |
||
1241 | jnz .not_mtappack1 |
||
1242 | cmp byte [ebp+12h], 0xE9 |
||
1243 | jz .packed |
||
1244 | .not_mtappack1: |
||
1245 | cmp word [ebp+8], 0xB957 |
||
1246 | jnz .not_mtappack |
||
1247 | cmp dword [ebp+14], 0x575EA4F3 |
||
1248 | jnz .not_mtappack2 |
||
1249 | cmp byte [ebp+17h], 0xE9 |
||
1250 | jz .packed |
||
1251 | .not_mtappack2: |
||
1252 | cmp dword [ebp+14], 0x5F8DA4F3 |
||
1253 | jnz .not_mtappack3 |
||
1254 | cmp word [ebp+18], 0xE9FC |
||
1255 | jz .packed |
||
1256 | .not_mtappack3: |
||
1257 | cmp word [ebp+14], 0xA4F3 |
||
1258 | jnz .not_mtappack |
||
1259 | cmp byte [ebp+15h], 0xE9 |
||
1260 | jz .packed |
||
1261 | .not_mtappack: |
||
1262 | ret |
||
1263 | .packed: |
||
1264 | push esi |
||
1265 | mov esi, aPacked1 |
||
1266 | call put_message_nodraw |
||
1267 | pop esi |
||
1268 | call put_message_nodraw |
||
1269 | mov esi, aPacked2 |
||
1270 | call put_message |
||
1271 | call hide_cursor |
||
1272 | push 40 |
||
1273 | pop eax |
||
1274 | push 7 |
||
1275 | pop ebx |
||
1276 | int 40h |
||
1277 | .wait: |
||
1278 | push 10 |
||
1279 | pop eax |
||
1280 | int 40h |
||
1281 | dec eax |
||
1282 | jz .redraw |
||
1283 | dec eax |
||
1284 | jz .key |
||
1285 | or eax, -1 |
||
1286 | int 40h |
||
1287 | .redraw: |
||
1288 | call draw_window |
||
1289 | call hide_cursor |
||
1290 | jmp .wait |
||
1291 | .key: |
||
1292 | mov al, 2 |
||
1293 | int 40h |
||
1294 | cmp ah, 'y' |
||
1295 | jz .yes |
||
1296 | cmp ah, 'Y' |
||
1297 | jz .yes |
||
1298 | cmp ah, 0xD |
||
1299 | jz .yes |
||
1300 | cmp ah, 'n' |
||
1301 | jz .no |
||
1302 | cmp ah, 'N' |
||
1303 | jnz .wait |
||
1304 | .no: |
||
1305 | push 40 |
||
1306 | pop eax |
||
1307 | mov ebx, 0x107 |
||
1308 | int 40h |
||
1309 | call draw_cursor |
||
1310 | mov esi, aN_str |
||
1311 | jmp put_message |
||
1312 | .yes: |
||
1313 | push 40 |
||
1314 | pop eax |
||
1315 | mov ebx, 0x107 |
||
1316 | int 40h |
||
1317 | call draw_cursor |
||
1318 | mov esi, aY_str |
||
1319 | call put_message |
||
1320 | call OnUnpack |
||
1321 | ret |
||
1322 | |||
1323 | mxp_nrv_sig: |
||
1324 | xor eax, eax |
||
1325 | mov ecx, 0x95 ; 0xA1 for programs with parameters |
||
1326 | mov [eax], ecx |
||
1327 | add ecx, [eax+24h] |
||
1328 | push 40h |
||
1329 | pop esi |
||
1330 | mov edi, [eax+20h] |
||
1331 | push edi |
||
1332 | rep movsb |
||
1333 | jmp dword [esp] |
||
1334 | pop esi |
||
1335 | add esi, [eax] |
||
1336 | xor edi, edi |
||
1337 | mxp_nrv_sig_size = $ - mxp_nrv_sig |
||
1338 | |||
1339 | mxp_sig: |
||
1340 | mov ecx, 1CBh |
||
1341 | push 46h |
||
1342 | pop esi |
||
1343 | mov edi, [20h] |
||
1344 | rep movsb |
||
1345 | mov ecx, [24h] |
||
1346 | rep movsb |
||
1347 | jmp dword [20h] |
||
1348 | mov eax, [20h] |
||
1349 | add eax, 1CBh |
||
1350 | push eax |
||
1351 | push dword [24h] |
||
1352 | push 0 |
||
1353 | push 8 |
||
1354 | call $+0x25 |
||
1355 | mxp_sig_size = $ - mxp_sig |
||
1356 | |||
1357 | mxp_lzo_sig1: |
||
1358 | xor eax, eax |
||
1359 | mov ebp, 0FFh |
||
1360 | mov ecx, 175h |
||
1361 | mov [eax], ecx |
||
1362 | add ecx, [eax+24h] |
||
1363 | push 45h |
||
1364 | pop esi |
||
1365 | mov edi, [eax+20h] |
||
1366 | push edi |
||
1367 | rep movsb |
||
1368 | jmp dword [esp] |
||
1369 | pop ebx |
||
1370 | add ebx, [eax] |
||
1371 | xor edi, edi |
||
1372 | cmp byte [ebx], 11h |
||
1373 | jbe $+0x1A |
||
1374 | mxp_lzo_sig1_size = $ - mxp_lzo_sig1 |
||
1375 | mxp_lzo_sig2: |
||
1376 | xor eax, eax |
||
1377 | mov ebp, 0FFh |
||
1378 | mov ecx, 188h ; or 177h |
||
1379 | mov [eax], ecx |
||
1380 | add ecx, [eax+24h] |
||
1381 | push 44h |
||
1382 | pop esi |
||
1383 | mov edi, [eax+20h] |
||
1384 | rep movsb |
||
1385 | jmp dword [eax+20h] |
||
1386 | mov ebx, [eax+20h] |
||
1387 | add ebx, [eax] |
||
1388 | mxp_lzo_sig2_size = $ - mxp_lzo_sig2 |
||
1389 | |||
1390 | OnReload: |
||
1391 | cmp [debuggee_pid], 0 |
||
1392 | jnz terminate_reload |
||
1393 | mov esi, need_debuggee |
||
1394 | cmp byte [loadname], 0 |
||
1395 | jnz do_reload |
||
1396 | jz put_message |
||
1397 | terminate_reload: |
||
1398 | mov [bReload], 1 |
||
1399 | OnTerminate: |
||
1400 | mov ecx, [debuggee_pid] |
||
1401 | push 8 |
||
1402 | pop ebx |
||
1403 | push 69 |
||
1404 | pop eax |
||
1405 | int 40h |
||
1406 | ret |
||
1407 | |||
1408 | AfterSuspend: |
||
1409 | mov [bSuspended], 1 |
||
1410 | call get_new_context |
||
1411 | call get_dump |
||
1412 | call redraw_title |
||
1413 | call redraw_registers |
||
1414 | call redraw_dump |
||
1415 | call update_disasm_eip |
||
1416 | ret |
||
1417 | |||
1418 | OnSuspend: |
||
1419 | mov ecx, [debuggee_pid] |
||
1420 | push 4 |
||
1421 | pop ebx |
||
1422 | push 69 |
||
1423 | pop eax |
||
1424 | int 40h |
||
1425 | call AfterSuspend |
||
1426 | mov esi, aSuspended |
||
1427 | jmp put_message |
||
1428 | DoResume: |
||
1429 | mov ecx, [debuggee_pid] |
||
1430 | push 5 |
||
1431 | pop ebx |
||
1432 | push 69 |
||
1433 | pop eax |
||
1434 | int 40h |
||
1435 | mov [bSuspended], 0 |
||
1436 | ret |
||
1437 | OnResume: |
||
1438 | mov esi, [curarg] |
||
1439 | cmp byte [esi], 0 |
||
1440 | jz GoOn |
||
1441 | call calc_expression |
||
1442 | jc .ret |
||
1443 | mov eax, ebp |
||
1444 | push eax |
||
1445 | call find_enabled_breakpoint |
||
1446 | pop eax |
||
1447 | jz GoOn |
||
1448 | mov bl, 5 ; valid enabled one-shot |
||
1449 | call add_breakpoint |
||
1450 | jnc GoOn |
||
1451 | mov esi, aBreakpointLimitExceeded |
||
1452 | call put_message |
||
1453 | .ret: |
||
1454 | ret |
||
1455 | GoOn: |
||
1456 | ; test for enabled breakpoint at eip |
||
1457 | mov eax, [_eip] |
||
1458 | call find_enabled_breakpoint |
||
1459 | jnz .nobreak |
||
1460 | ; temporarily disable breakpoint, make step, enable breakpoint, continue |
||
1461 | inc eax |
||
1462 | mov [temp_break], eax |
||
1463 | mov [bAfterGo], 1 |
||
1464 | dec eax |
||
1465 | call disable_breakpoint |
||
1466 | call get_context |
||
1467 | or byte [_eflags+1], 1 ; set TF |
||
1468 | call set_context |
||
1469 | and byte [_eflags+1], not 1 |
||
1470 | call DoResume |
||
1471 | ret |
||
1472 | .nobreak: |
||
1473 | call DoResume |
||
1474 | call redraw_title |
||
1475 | call redraw_registers |
||
1476 | call redraw_dump |
||
1477 | ret |
||
1478 | OnDetach: |
||
1479 | mov ecx, [debuggee_pid] |
||
1480 | push 3 |
||
1481 | pop ebx |
||
1482 | push 69 |
||
1483 | pop eax |
||
1484 | int 40h |
||
1485 | and [debuggee_pid], 0 |
||
1486 | call redraw_title |
||
1487 | call redraw_registers |
||
1488 | call redraw_dump |
||
1489 | mov esi, aContinued |
||
1490 | jmp put_message |
||
1491 | |||
1492 | after_go_exception: |
||
1493 | push eax |
||
1494 | mov eax, [temp_break] |
||
1495 | dec eax |
||
1496 | push esi |
||
1497 | call enable_breakpoint |
||
1498 | ; in any case, clear TF and RF |
||
1499 | call get_new_context |
||
1500 | and [_eflags], not 10100h ; clear TF,RF |
||
1501 | call set_context |
||
1502 | xor edx, edx |
||
1503 | mov [temp_break], edx |
||
1504 | xchg dl, [bAfterGo] |
||
1505 | pop esi |
||
1506 | pop eax |
||
1507 | cmp dl, 2 |
||
1508 | jnz @f |
||
1509 | lodsd |
||
1510 | push esi |
||
1511 | call get_dump |
||
1512 | jmp exception.done |
||
1513 | @@: test eax, eax |
||
1514 | jz .notint1 |
||
1515 | ; if exception is result of single step, simply ignore it and continue |
||
1516 | test dword [esi], 0xF |
||
1517 | jnz dbgmsgstart.5 |
||
1518 | lodsd |
||
1519 | push esi |
||
1520 | mov esi, oldcontext |
||
1521 | mov edi, context |
||
1522 | mov ecx, 28h/4 |
||
1523 | rep movsd |
||
1524 | call DoResume |
||
1525 | jmp dbgmsgend |
||
1526 | .notint1: |
||
1527 | ; in other case, work as without temp_break |
||
1528 | lodsd |
||
1529 | push esi |
||
1530 | push eax |
||
1531 | jmp exception.4 |
||
1532 | .notour: |
||
1533 | |||
1534 | debugmsg: |
||
1535 | neg [dbgbufsize] |
||
1536 | mov esi, dbgbuf |
||
1537 | dbgmsgstart: |
||
1538 | lodsd |
||
1539 | ; push eax esi |
||
1540 | ; push dword [esi] |
||
1541 | ; mov esi, dbgmsg_str |
||
1542 | ; call put_message_nodraw |
||
1543 | ; pop esi eax |
||
1544 | add esi, 4 |
||
1545 | dec eax |
||
1546 | jz exception |
||
1547 | dec eax |
||
1548 | jz terminated |
||
1549 | mov [bSuspended], 1 |
||
1550 | cmp [bAfterGo], 0 |
||
1551 | jnz after_go_exception |
||
1552 | push esi |
||
1553 | call get_new_context |
||
1554 | and [_eflags], not 10100h ; clear TF,RF |
||
1555 | call set_context |
||
1556 | pop esi |
||
1557 | .5: |
||
1558 | push esi |
||
1559 | call get_dump |
||
1560 | pop esi |
||
1561 | lodsd |
||
1562 | xor ecx, ecx |
||
1563 | .6: |
||
1564 | bt eax, ecx |
||
1565 | jnc .7 |
||
1566 | mov ebx, [drx_break+ecx*4] |
||
1567 | test ebx, ebx |
||
1568 | jz .7 |
||
1569 | pushad |
||
1570 | dec ebx |
||
1571 | push ebx |
||
1572 | mov esi, aBreakStop |
||
1573 | call put_message_nodraw |
||
1574 | popad |
||
1575 | .7: |
||
1576 | inc ecx |
||
1577 | cmp cl, 4 |
||
1578 | jb .6 |
||
1579 | push esi |
||
1580 | jmp exception.done_draw |
||
1581 | terminated: |
||
1582 | push esi |
||
1583 | mov esi, terminated_msg |
||
1584 | call put_message |
||
1585 | and [debuggee_pid], 0 |
||
1586 | and [temp_break], 0 |
||
1587 | mov [bAfterGo], 0 |
||
1588 | xor eax, eax |
||
1589 | mov ecx, breakpoints_n*6/4+4 |
||
1590 | mov edi, breakpoints |
||
1591 | rep stosd |
||
1592 | cmp [bReload], 1 |
||
1593 | sbb [bReload], -1 |
||
1594 | jmp exception.done |
||
1595 | exception: |
||
1596 | mov [bSuspended], 1 |
||
1597 | cmp [bAfterGo], 0 |
||
1598 | jnz after_go_exception |
||
1599 | lodsd |
||
1600 | push esi |
||
1601 | push eax |
||
1602 | call get_new_context |
||
1603 | and [_eflags], not 10100h ; clear TF,RF |
||
1604 | call set_context |
||
1605 | .4: |
||
1606 | call get_dump |
||
1607 | pop eax |
||
1608 | ; int3 command generates exception 0D, #GP |
||
1609 | push eax |
||
1610 | cmp al, 0Dh |
||
1611 | jnz .notdbg |
||
1612 | ; check for 0xCC byte at eip |
||
1613 | push 0 |
||
1614 | push 69 |
||
1615 | pop eax |
||
1616 | push 6 |
||
1617 | pop ebx |
||
1618 | mov ecx, [debuggee_pid] |
||
1619 | mov edi, esp |
||
1620 | mov esi, [_eip] |
||
1621 | push 1 |
||
1622 | pop edx |
||
1623 | int 40h |
||
1624 | pop eax |
||
1625 | cmp al, 0xCC |
||
1626 | jnz .notdbg |
||
1627 | ; this is either dbg breakpoint or int3 cmd in debuggee |
||
1628 | mov eax, [_eip] |
||
1629 | call find_enabled_breakpoint |
||
1630 | jnz .user_int3 |
||
1631 | ; dbg breakpoint; clear if one-shot |
||
1632 | pop ecx |
||
1633 | push eax |
||
1634 | mov esi, aBreakStop |
||
1635 | test byte [edi+4], 4 |
||
1636 | jz .put_msg_eax |
||
1637 | pop ecx |
||
1638 | call clear_breakpoint |
||
1639 | jmp .done |
||
1640 | .user_int3: |
||
1641 | mov eax, [_eip] |
||
1642 | inc [_eip] |
||
1643 | pop ecx |
||
1644 | push eax |
||
1645 | call set_context |
||
1646 | mov esi, aUserBreak |
||
1647 | jmp .put_msg_eax |
||
1648 | .notdbg: |
||
1649 | mov esi, aException |
||
1650 | .put_msg_eax: |
||
1651 | call put_message_nodraw |
||
1652 | .done_draw: |
||
1653 | call draw_messages |
||
1654 | .done: |
||
1655 | push 18 |
||
1656 | pop eax |
||
1657 | push 3 |
||
1658 | pop ebx |
||
1659 | mov ecx, [dbgwnd] |
||
1660 | int 40h ; activate dbg window |
||
1661 | call redraw_title |
||
1662 | call redraw_registers |
||
1663 | call redraw_dump |
||
1664 | call update_disasm_eip |
||
1665 | dbgmsgend: |
||
1666 | pop esi |
||
1667 | mov ecx, [dbgbuflen] |
||
1668 | add ecx, dbgbuf |
||
1669 | cmp esi, ecx |
||
1670 | jnz dbgmsgstart |
||
1671 | and [dbgbuflen], 0 |
||
1672 | neg [dbgbufsize] |
||
1673 | cmp [bReload], 2 |
||
1674 | jnz @f |
||
1675 | mov [bReload], 0 |
||
1676 | call do_reload |
||
1677 | @@: |
||
1678 | jmp waitevent |
||
1679 | |||
1680 | CtrlF7: |
||
1681 | cmp [debuggee_pid], 0 |
||
1682 | jz .no |
||
1683 | call OnStep |
||
1684 | .no: |
||
1685 | jmp waitevent |
||
1686 | CtrlF8: |
||
1687 | cmp [debuggee_pid], 0 |
||
1688 | jz CtrlF7.no |
||
1689 | call OnProceed |
||
1690 | jmp CtrlF7.no |
||
1691 | |||
1692 | OnStep: |
||
1693 | cmp [bSuspended], 0 |
||
1694 | jz .running |
||
1695 | call get_context |
||
1696 | or byte [_eflags+1], 1 ; set TF |
||
1697 | call set_context |
||
1698 | and byte [_eflags+1], not 1 |
||
1699 | ; if instruction at eip is "int xx", set one-shot breakpoint immediately after |
||
1700 | mov eax, [_eip] |
||
1701 | call find_enabled_breakpoint |
||
1702 | jnz @f |
||
1703 | cmp byte [edi+5], 0xCD |
||
1704 | jz .int |
||
1705 | @@: |
||
1706 | push 0 |
||
1707 | push 69 |
||
1708 | pop eax |
||
1709 | push 6 |
||
1710 | pop ebx |
||
1711 | mov ecx, [debuggee_pid] |
||
1712 | push 3 |
||
1713 | pop edx |
||
1714 | mov edi, esp |
||
1715 | mov esi, [_eip] |
||
1716 | int 40h |
||
1717 | cmp eax, edx |
||
1718 | pop eax |
||
1719 | jnz .doit |
||
1720 | cmp al, 0xCD |
||
1721 | jz .int |
||
410 | diamond | 1722 | cmp ax, 0x050F |
1723 | jz .syscall_enter |
||
1724 | cmp ax, 0x340F |
||
1725 | jz .syscall_enter |
||
205 | heavyiron | 1726 | ; resume process |
1727 | .doit: |
||
1728 | call GoOn |
||
1729 | cmp [bAfterGo], 0 |
||
1730 | jz @f |
||
1731 | mov [bAfterGo], 2 |
||
1732 | @@: |
||
1733 | ret |
||
410 | diamond | 1734 | .syscall_enter: |
1735 | and byte [_eflags+1], not 1 ; clear TF - avoid system halt (!) |
||
1736 | call set_context |
||
205 | heavyiron | 1737 | .int: |
1738 | mov eax, [_eip] |
||
1739 | inc eax |
||
1740 | inc eax |
||
1741 | push eax |
||
1742 | call find_enabled_breakpoint |
||
1743 | pop eax |
||
1744 | jz .doit |
||
1745 | ; there is no enabled breakpoint yet; set temporary breakpoint |
||
1746 | mov bl, 5 |
||
1747 | call add_breakpoint |
||
1748 | jmp .doit |
||
1749 | .running: |
||
1750 | mov esi, aRunningErr |
||
1751 | jmp put_message |
||
1752 | |||
1753 | OnProceed: |
||
1754 | cmp [bSuspended], 0 |
||
1755 | jz OnStep.running |
||
1756 | mov esi, [_eip] |
||
1757 | @@: |
||
1758 | call get_byte_nobreak |
||
1759 | jc OnStep |
||
1760 | inc esi |
||
1761 | ; skip prefixes |
||
1762 | call is_prefix |
||
1763 | jz @b |
||
1764 | cmp al, 0xE8 ; call |
||
1765 | jnz @f |
||
1766 | add esi, 4 |
||
1767 | jmp .doit |
||
1768 | @@: ; A4,A5 = movs, A6,A7=cmps |
||
1769 | cmp al, 0xA4 |
||
1770 | jb @f |
||
1771 | cmp al, 0xA8 |
||
1772 | jb .doit |
||
1773 | @@: ; AA,AB=stos, AC,AD=lods, AE,AF=scas |
||
1774 | cmp al, 0xAA |
||
1775 | jb @f |
||
1776 | cmp al, 0xB0 |
||
1777 | jb .doit |
||
1778 | @@: ; E0=loopnz,E1=loopz,E2=loop |
||
1779 | cmp al, 0xE0 |
||
1780 | jb .noloop |
||
1781 | cmp al, 0xE2 |
||
1782 | ja .noloop |
||
1783 | inc esi |
||
1784 | jmp .doit |
||
1785 | .noloop: ; FF /2 = call |
||
1786 | cmp al, 0xFF |
||
1787 | jnz OnStep |
||
1788 | call get_byte_nobreak |
||
1789 | jc OnStep |
||
1790 | inc esi |
||
1791 | mov cl, al |
||
1792 | and al, 00111000b |
||
1793 | cmp al, 00010000b |
||
1794 | jnz OnStep |
||
1795 | ; skip instruction |
||
1796 | mov al, cl |
||
1797 | and eax, 7 |
||
1798 | shr cl, 6 |
||
1799 | jz .mod0 |
||
1800 | jp .doit |
||
1801 | cmp al, 4 |
||
1802 | jnz @f |
||
1803 | inc esi |
||
1804 | @@: |
||
1805 | inc esi |
||
1806 | dec cl |
||
1807 | jz @f |
||
1808 | add esi, 3 |
||
1809 | @@: |
||
1810 | jmp .doit |
||
1811 | .mod0: |
||
1812 | cmp al, 4 |
||
1813 | jnz @f |
||
1814 | call get_byte_nobreak |
||
1815 | jc OnStep |
||
1816 | inc esi |
||
1817 | and al, 7 |
||
1818 | @@: |
||
1819 | cmp al, 5 |
||
1820 | jnz .doit |
||
1821 | add esi, 4 |
||
1822 | .doit: |
||
1823 | ; insert one-shot breakpoint at esi and resume |
||
1824 | call get_byte_nobreak |
||
1825 | jc OnStep |
||
1826 | mov eax, esi |
||
1827 | call find_enabled_breakpoint |
||
1828 | jz .ret |
||
1829 | mov eax, esi |
||
1830 | mov bl, 5 |
||
1831 | call add_breakpoint |
||
1832 | jmp OnStep.doit |
||
1833 | .ret: |
||
1834 | ret |
||
1835 | |||
1836 | get_byte_nobreak: |
||
1837 | mov eax, esi |
||
1838 | call find_enabled_breakpoint |
||
1839 | jnz .nobreak |
||
1840 | mov al, [edi+5] |
||
1841 | clc |
||
1842 | ret |
||
1843 | .nobreak: |
||
1844 | push 69 |
||
1845 | pop eax |
||
1846 | push 6 |
||
1847 | pop ebx |
||
1848 | mov ecx, [debuggee_pid] |
||
1849 | xor edx, edx |
||
1850 | push edx |
||
1851 | inc edx |
||
1852 | mov edi, esp |
||
1853 | int 40h |
||
1854 | dec eax |
||
1855 | clc |
||
1856 | jz @f |
||
1857 | stc |
||
1858 | @@: pop eax |
||
1859 | ret |
||
1860 | |||
1861 | is_prefix: |
||
1862 | cmp al, 0x64 ; fs: |
||
1863 | jz .ret |
||
1864 | cmp al, 0x65 ; gs: |
||
1865 | jz .ret |
||
1866 | cmp al, 0x66 ; use16/32 |
||
1867 | jz .ret |
||
1868 | cmp al, 0x67 ; addr16/32 |
||
1869 | jz .ret |
||
1870 | cmp al, 0xF0 ; lock |
||
1871 | jz .ret |
||
1872 | cmp al, 0xF2 ; repnz |
||
1873 | jz .ret |
||
1874 | cmp al, 0xF3 ; rep(z) |
||
1875 | jz .ret |
||
1876 | cmp al, 0x2E ; cs: |
||
1877 | jz .ret |
||
1878 | cmp al, 0x36 ; ss: |
||
1879 | jz .ret |
||
1880 | cmp al, 0x3E ; ds: |
||
1881 | jz .ret |
||
1882 | cmp al, 0x26 ; es: |
||
1883 | .ret: ret |
||
1884 | |||
1885 | token_end equ 1 |
||
1886 | token_reg equ 2 |
||
1887 | token_hex equ 3 |
||
1888 | token_add equ 4 |
||
1889 | token_sub equ 5 |
||
1890 | token_mul equ 6 |
||
1891 | token_div equ 7 |
||
1892 | token_lp equ 8 |
||
1893 | token_rp equ 9 |
||
1894 | token_err equ -1 |
||
1895 | |||
1896 | is_hex_digit: |
||
1897 | cmp al, '0' |
||
1898 | jb .no |
||
1899 | cmp al, '9' |
||
1900 | jbe .09 |
||
1901 | cmp al, 'A' |
||
1902 | jb .no |
||
1903 | cmp al, 'F' |
||
1904 | jbe .AF |
||
1905 | cmp al, 'a' |
||
1906 | jb .no |
||
1907 | cmp al, 'f' |
||
1908 | jbe .af |
||
1909 | .no: |
||
1910 | stc |
||
1911 | ret |
||
1912 | .09: |
||
1913 | sub al, '0' |
||
1914 | ; clc |
||
1915 | ret |
||
1916 | .AF: |
||
1917 | sub al, 'A'-10 |
||
1918 | ; clc |
||
1919 | ret |
||
1920 | .af: |
||
1921 | sub al, 'a'-10 |
||
1922 | ; clc |
||
1923 | ret |
||
1924 | |||
1925 | find_reg: |
||
1926 | mov edi, reg_table |
||
1927 | .findreg: |
||
1928 | movzx ecx, byte [edi] |
||
1929 | stc |
||
1930 | jecxz .regnotfound |
||
1931 | inc edi |
||
1932 | push esi edi ecx |
||
1933 | @@: |
||
1934 | lodsb |
||
1935 | or al, 20h |
||
1936 | scasb |
||
1937 | loopz @b |
||
1938 | pop ecx edi esi |
||
1939 | lea edi, [edi+ecx+1] |
||
1940 | jnz .findreg |
||
1941 | movzx edi, byte [edi-1] |
||
1942 | add esi, ecx |
||
1943 | .regnotfound: |
||
1944 | ret |
||
1945 | |||
1946 | expr_get_token: |
||
1947 | lodsb |
||
1948 | cmp al, 0 |
||
1949 | jz .end_token |
||
1950 | cmp al, ' ' |
||
1951 | jbe expr_get_token |
||
1952 | cmp al, '+' |
||
1953 | jz .add |
||
1954 | cmp al, '-' |
||
1955 | jz .sub |
||
1956 | cmp al, '*' |
||
1957 | jz .mul |
||
1958 | cmp al, '/' |
||
1959 | jz .div |
||
1960 | cmp al, '(' |
||
1961 | jz .lp |
||
1962 | cmp al, ')' |
||
1963 | jnz .notsign |
||
1964 | .rp: |
||
1965 | mov al, token_rp |
||
1966 | ret |
||
1967 | .div: |
||
1968 | mov al, token_div |
||
1969 | ret |
||
1970 | .end_token: |
||
1971 | mov al, token_end |
||
1972 | ret |
||
1973 | .add: |
||
1974 | mov al, token_add |
||
1975 | ret |
||
1976 | .sub: |
||
1977 | mov al, token_sub |
||
1978 | ret |
||
1979 | .mul: |
||
1980 | mov al, token_mul |
||
1981 | ret |
||
1982 | .lp: |
||
1983 | mov al, token_lp |
||
1984 | ret |
||
1985 | .notsign: |
||
1986 | dec esi |
||
1987 | call find_reg |
||
1988 | jc .regnotfound |
||
1989 | mov al, token_reg |
||
1990 | ret |
||
1991 | .regnotfound: |
||
1992 | ; test for hex number |
||
1993 | xor ecx, ecx |
||
1994 | xor edi, edi |
||
1995 | xor eax, eax |
||
1996 | @@: |
||
1997 | lodsb |
||
1998 | call is_hex_digit |
||
1999 | jc @f |
||
2000 | shl edi, 4 |
||
2001 | or edi, eax |
||
2002 | inc ecx |
||
2003 | jmp @b |
||
2004 | @@: |
||
2005 | dec esi |
||
2006 | jecxz .err |
||
2007 | cmp ecx, 8 |
||
2008 | ja .err |
||
2009 | mov al, token_hex |
||
2010 | ret |
||
2011 | .err: |
||
2012 | mov al, token_err |
||
2013 | mov esi, aParseError |
||
2014 | ret |
||
2015 | |||
2016 | expr_read2: |
||
2017 | cmp al, token_hex |
||
2018 | jz .hex |
||
2019 | cmp al, token_reg |
||
2020 | jz .reg |
||
2021 | cmp al, token_lp |
||
2022 | jz .lp |
||
2023 | mov al, token_err |
||
2024 | mov esi, aParseError |
||
2025 | ret |
||
2026 | .hex: |
||
2027 | mov ebp, edi |
||
2028 | .ret: |
||
2029 | jmp expr_get_token |
||
2030 | .reg: |
||
2031 | cmp edi, 24 |
||
2032 | jz .eip |
||
2033 | sub edi, 4 |
||
2034 | jb .8lo |
||
2035 | sub edi, 4 |
||
2036 | jb .8hi |
||
2037 | sub edi, 8 |
||
2038 | jb .16 |
||
2039 | mov ebp, [_eax+edi*4] |
||
2040 | jmp .ret |
||
2041 | .16: |
||
2042 | movzx ebp, word [_eax+(edi+8)*4] |
||
2043 | jmp .ret |
||
2044 | .8lo: |
||
2045 | movzx ebp, byte [_eax+(edi+4)*4] |
||
2046 | jmp .ret |
||
2047 | .8hi: |
||
2048 | movzx ebp, byte [_eax+(edi+4)*4+1] |
||
2049 | jmp .ret |
||
2050 | .eip: |
||
2051 | mov ebp, [_eip] |
||
2052 | jmp .ret |
||
2053 | .lp: |
||
2054 | call expr_get_token |
||
2055 | call expr_read0 |
||
2056 | cmp al, token_err |
||
2057 | jz @f |
||
2058 | cmp al, token_rp |
||
2059 | jz expr_get_token |
||
2060 | mov al, token_err |
||
2061 | mov esi, aParseError |
||
2062 | @@: ret |
||
2063 | |||
2064 | expr_read1: |
||
2065 | call expr_read2 |
||
2066 | .1: |
||
2067 | cmp al, token_mul |
||
2068 | jz .mul |
||
2069 | cmp al, token_div |
||
2070 | jz .div |
||
2071 | ret |
||
2072 | .mul: |
||
2073 | push ebp |
||
2074 | call expr_get_token |
||
2075 | call expr_read2 |
||
2076 | pop edx |
||
2077 | ; ebp := edx*ebp |
||
2078 | imul ebp, edx |
||
2079 | jmp .1 |
||
2080 | .div: |
||
2081 | push ebp |
||
2082 | call expr_get_token |
||
2083 | call expr_read2 |
||
2084 | pop edx |
||
2085 | ; ebp := edx/ebp |
||
2086 | test ebp, ebp |
||
2087 | jz .div0 |
||
2088 | push eax |
||
2089 | xor eax, eax |
||
2090 | xchg eax, edx |
||
2091 | div ebp |
||
2092 | xchg eax, ebp |
||
2093 | pop eax |
||
2094 | jmp .1 |
||
2095 | .div0: |
||
2096 | mov al, token_err |
||
2097 | mov esi, aDivByZero |
||
2098 | ret |
||
2099 | |||
2100 | expr_read0: |
||
2101 | xor ebp, ebp |
||
2102 | cmp al, token_add |
||
2103 | jz .add |
||
2104 | cmp al, token_sub |
||
2105 | jz .sub |
||
2106 | call expr_read1 |
||
2107 | .1: |
||
2108 | cmp al, token_add |
||
2109 | jz .add |
||
2110 | cmp al, token_sub |
||
2111 | jz .sub |
||
2112 | ret |
||
2113 | .add: |
||
2114 | push ebp |
||
2115 | call expr_get_token |
||
2116 | call expr_read1 |
||
2117 | pop edx |
||
2118 | ; ebp := edx+ebp |
||
2119 | add ebp, edx |
||
2120 | jmp .1 |
||
2121 | .sub: |
||
2122 | push ebp |
||
2123 | call expr_get_token |
||
2124 | call expr_read1 |
||
2125 | pop edx |
||
2126 | ; ebp := edx-ebp |
||
2127 | xchg edx, ebp |
||
2128 | sub ebp, edx |
||
2129 | jmp .1 |
||
2130 | |||
2131 | calc_expression: |
||
2132 | ; in: esi->expression |
||
2133 | ; out: CF=1 if error |
||
2134 | ; CF=0 and ebp=value if ok |
||
2135 | call expr_get_token |
||
2136 | call expr_read0 |
||
2137 | cmp al, token_end |
||
2138 | jz .end |
||
2139 | cmp al, token_err |
||
2140 | jz @f |
||
2141 | mov esi, aParseError |
||
2142 | @@: |
||
2143 | call put_message |
||
2144 | stc |
||
2145 | ret |
||
2146 | .end: |
||
2147 | clc |
||
2148 | ret |
||
2149 | |||
2150 | OnCalc: |
||
2151 | mov esi, [curarg] |
||
2152 | call calc_expression |
||
2153 | jc .ret |
||
2154 | push ebp |
||
2155 | mov esi, calc_string |
||
2156 | call put_message_nodraw |
||
2157 | jmp draw_messages |
||
2158 | .ret: |
||
2159 | ret |
||
2160 | |||
2161 | OnDump: |
||
2162 | mov esi, [curarg] |
||
2163 | cmp byte [esi], 0 |
||
2164 | jnz .param |
||
2165 | add [dumppos], dump_height*10h |
||
2166 | jmp .doit |
||
2167 | .param: |
||
2168 | call calc_expression |
||
2169 | jc .ret |
||
2170 | mov [dumppos], ebp |
||
2171 | .doit: |
||
2172 | call get_dump |
||
2173 | call redraw_dump |
||
2174 | .ret: |
||
2175 | ret |
||
2176 | |||
2177 | OnUnassemble: |
||
2178 | mov esi, [curarg] |
||
2179 | cmp byte [esi], 0 |
||
2180 | jnz .param |
||
2181 | mov eax, [disasm_start_pos] |
||
2182 | mov ecx, disasm_height |
||
2183 | mov [disasm_cur_pos], eax |
||
2184 | @@: |
||
2185 | push ecx |
||
2186 | call disasm_instr |
||
2187 | pop ecx |
||
2188 | jc .err |
||
2189 | loop @b |
||
2190 | mov eax, [disasm_cur_pos] |
||
2191 | jmp .doit |
||
2192 | .param: |
||
2193 | call calc_expression |
||
2194 | jc .ret |
||
2195 | mov eax, ebp |
||
2196 | .doit: |
||
2197 | push eax |
||
2198 | push [disasm_start_pos] |
||
2199 | mov [disasm_start_pos], eax |
||
2200 | call update_disasm |
||
2201 | pop [disasm_start_pos] |
||
2202 | pop eax |
||
2203 | cmp [disasm_cur_str], 0 |
||
2204 | jz @f |
||
2205 | mov [disasm_start_pos], eax |
||
2206 | .ret: |
||
2207 | ret |
||
2208 | @@: |
||
2209 | call update_disasm |
||
2210 | .err: |
||
2211 | mov esi, aInvAddr |
||
2212 | jmp put_message |
||
2213 | |||
2214 | OnReg: |
||
2215 | mov esi, [curarg] |
||
2216 | call skip_spaces |
||
2217 | call find_reg |
||
2218 | jnc @f |
||
2219 | .err: |
||
2220 | mov esi, RSyntax |
||
2221 | jmp put_message |
||
2222 | @@: |
||
2223 | call skip_spaces |
||
2224 | test al, al |
||
2225 | jz .err |
||
2226 | cmp al, '=' |
||
2227 | jnz @f |
||
2228 | inc esi |
||
2229 | call skip_spaces |
||
2230 | test al, al |
||
2231 | jz .err |
||
2232 | @@: |
||
2233 | push edi |
||
2234 | call calc_expression |
||
2235 | pop edi |
||
2236 | jc .ret |
||
2237 | ; now edi=register id, ebp=value |
||
2238 | cmp [bSuspended], 0 |
||
2239 | mov esi, aRunningErr |
||
2240 | jz put_message |
||
2241 | xchg eax, ebp |
||
2242 | cmp edi, 24 |
||
2243 | jz .eip |
||
2244 | sub edi, 4 |
||
2245 | jb .8lo |
||
2246 | sub edi, 4 |
||
2247 | jb .8hi |
||
2248 | sub edi, 8 |
||
2249 | jb .16 |
||
2250 | mov [_eax+edi*4], eax |
||
2251 | jmp .ret |
||
2252 | .16: |
||
2253 | mov word [_eax+(edi+8)*4], ax |
||
2254 | jmp .ret |
||
2255 | .8lo: |
||
2256 | mov byte [_eax+(edi+4)*4], al |
||
2257 | jmp .ret |
||
2258 | .8hi: |
||
2259 | mov byte [_eax+(edi+4)*4+1], al |
||
2260 | jmp .ret |
||
2261 | .eip: |
||
2262 | mov [_eip], eax |
||
2263 | call update_disasm_eip |
||
2264 | .ret: |
||
2265 | call set_context |
||
2266 | jmp redraw_registers |
||
2267 | |||
2268 | ; Breakpoints manipulation |
||
2269 | OnBp: |
||
2270 | mov esi, [curarg] |
||
2271 | call calc_expression |
||
2272 | jc .ret |
||
2273 | xchg eax, ebp |
||
2274 | push eax |
||
2275 | call find_breakpoint |
||
2276 | inc eax |
||
2277 | pop eax |
||
2278 | jz .notfound |
||
2279 | mov esi, aDuplicateBreakpoint |
||
2280 | jmp .sayerr |
||
2281 | .notfound: |
||
2282 | mov bl, 1 |
||
2283 | call add_breakpoint |
||
2284 | jnc .ret |
||
2285 | mov esi, aBreakpointLimitExceeded |
||
2286 | .sayerr: |
||
2287 | call put_message |
||
2288 | .ret: |
||
2289 | jmp redraw_disasm |
||
2290 | |||
2291 | OnBpmb: |
||
2292 | mov dh, 0011b |
||
2293 | jmp DoBpm |
||
2294 | OnBpmw: |
||
2295 | mov dh, 0111b |
||
2296 | jmp DoBpm |
||
2297 | OnBpmd: |
||
2298 | mov dh, 1111b |
||
2299 | DoBpm: |
||
2300 | mov esi, [curarg] |
||
2301 | cmp byte [esi], 'w' |
||
2302 | jnz @f |
||
2303 | and dh, not 2 |
||
2304 | inc esi |
||
2305 | @@: |
||
2306 | push edx |
||
2307 | call calc_expression |
||
2308 | pop edx |
||
2309 | jnc @f |
||
2310 | ret |
||
2311 | @@: |
||
2312 | ; ebp=expression, dh=flags |
||
2313 | movzx eax, dh |
||
2314 | shr eax, 2 |
||
2315 | test ebp, eax |
||
2316 | jz @f |
||
2317 | mov esi, aUnaligned |
||
2318 | jmp put_message |
||
2319 | @@: |
||
2320 | mov eax, ebp |
||
2321 | mov bl, 0Bh |
||
2322 | call add_breakpoint |
||
2323 | jnc @f |
||
2324 | mov esi, aBreakpointLimitExceeded |
||
2325 | jmp put_message |
||
2326 | @@: |
||
2327 | ; now find index |
||
2328 | push eax |
||
2329 | xor ecx, ecx |
||
2330 | .l1: |
||
2331 | cmp [drx_break+ecx*4], 0 |
||
2332 | jnz .l2 |
||
2333 | push 69 |
||
2334 | pop eax |
||
2335 | push ecx |
||
2336 | mov dl, cl |
||
2337 | mov ecx, [debuggee_pid] |
||
2338 | mov esi, ebp |
||
2339 | push 9 |
||
2340 | pop ebx |
||
2341 | int 40h |
||
2342 | test eax, eax |
||
2343 | jz .ok |
||
2344 | pop ecx |
||
2345 | .l2: |
||
2346 | inc ecx |
||
2347 | cmp ecx, 4 |
||
2348 | jb .l1 |
||
2349 | pop eax |
||
2350 | call clear_breakpoint |
||
2351 | mov esi, aBreakpointLimitExceeded |
||
2352 | jmp put_message |
||
2353 | .ok: |
||
2354 | pop ecx |
||
2355 | pop eax |
||
2356 | and byte [edi], not 2 ; breakpoint is enabled |
||
2357 | shl dl, 6 |
||
2358 | or dl, dh |
||
2359 | mov byte [edi+1], dl |
||
2360 | inc eax |
||
2361 | mov [drx_break+ecx*4], eax |
||
2362 | ret |
||
2363 | |||
2364 | OnBc: |
||
2365 | mov esi, [curarg] |
||
2366 | @@: call get_hex_number |
||
2367 | jc OnBp.ret |
||
2368 | call clear_breakpoint |
||
2369 | jmp @b |
||
2370 | |||
2371 | OnBd: |
||
2372 | mov esi, [curarg] |
||
2373 | @@: call get_hex_number |
||
2374 | jc OnBp.ret |
||
2375 | call disable_breakpoint |
||
2376 | jmp @b |
||
2377 | |||
2378 | OnBe: |
||
2379 | mov esi, [curarg] |
||
2380 | @@: call get_hex_number |
||
2381 | jc OnBp.ret |
||
2382 | push eax |
||
2383 | call find_enabled_breakpoint |
||
2384 | pop eax |
||
2385 | jz .err |
||
2386 | call enable_breakpoint |
||
2387 | jmp @b |
||
2388 | .err: |
||
2389 | mov esi, OnBeErrMsg |
||
2390 | jmp put_message |
||
2391 | |||
2392 | get_hex_number: |
||
2393 | call skip_spaces |
||
2394 | xor ecx, ecx |
||
2395 | xor edx, edx |
||
2396 | @@: |
||
2397 | lodsb |
||
2398 | call is_hex_digit |
||
2399 | jc .ret |
||
2400 | shl edx, 4 |
||
2401 | or dl, al |
||
2402 | inc ecx |
||
2403 | jmp @b |
||
2404 | .ret: |
||
2405 | dec esi |
||
2406 | cmp ecx, 1 |
||
2407 | xchg eax, edx |
||
2408 | ret |
||
2409 | |||
2410 | OnBl: |
||
2411 | mov esi, [curarg] |
||
2412 | cmp byte [esi], 0 |
||
2413 | jz .listall |
||
2414 | call get_hex_number |
||
2415 | jc .ret |
||
2416 | cmp eax, breakpoints_n |
||
2417 | jae .err |
||
2418 | push eax |
||
2419 | add eax, eax |
||
2420 | lea edi, [breakpoints + eax + eax*2] |
||
2421 | pop eax |
||
2422 | test byte [edi+4], 1 |
||
2423 | jz .err |
||
2424 | call show_break_info |
||
2425 | .ret: |
||
2426 | ret |
||
2427 | .err: |
||
2428 | mov esi, aInvalidBreak |
||
2429 | jmp put_message |
||
2430 | .listall: |
||
2431 | mov edi, breakpoints |
||
2432 | xor eax, eax |
||
2433 | @@: |
||
2434 | test byte [edi+4], 1 |
||
2435 | jz .cont |
||
2436 | push edi eax |
||
2437 | call show_break_info |
||
2438 | pop eax edi |
||
2439 | .cont: |
||
2440 | add edi, 6 |
||
2441 | inc eax |
||
2442 | cmp eax, breakpoints_n |
||
2443 | jb @b |
||
2444 | ret |
||
2445 | |||
2446 | show_break_info: |
||
2447 | push edi |
||
2448 | test byte [edi+4], 8 |
||
2449 | jnz .dr |
||
2450 | push dword [edi] |
||
2451 | push eax |
||
2452 | mov esi, aBreakNum |
||
2453 | call put_message_nodraw |
||
2454 | jmp .cmn |
||
2455 | .dr: |
||
2456 | push eax |
||
2457 | mov esi, aMemBreak1 |
||
2458 | call put_message_nodraw |
||
2459 | pop edi |
||
2460 | push edi |
||
2461 | mov esi, aMemBreak2 |
||
2462 | test byte [edi+5], 2 |
||
2463 | jz @f |
||
2464 | mov esi, aMemBreak3 |
||
2465 | @@: |
||
2466 | call put_message_nodraw |
||
2467 | pop edi |
||
2468 | push edi |
||
2469 | mov esi, aMemBreak6 |
||
2470 | test byte [edi+5], 8 |
||
2471 | jnz @f |
||
2472 | mov esi, aMemBreak5 |
||
2473 | test byte [edi+5], 4 |
||
2474 | jnz @f |
||
2475 | mov esi, aMemBreak4 |
||
2476 | @@: |
||
2477 | call put_message_nodraw |
||
2478 | pop edi |
||
2479 | push edi |
||
2480 | push dword [edi] |
||
2481 | mov esi, aMemBreak7 |
||
2482 | call put_message_nodraw |
||
2483 | .cmn: |
||
2484 | pop edi |
||
2485 | test byte [edi+4], 2 |
||
2486 | jz @f |
||
2487 | push edi |
||
2488 | mov esi, aDisabled |
||
2489 | call put_message_nodraw |
||
2490 | pop edi |
||
2491 | @@: |
||
2492 | test byte [edi+4], 4 |
||
2493 | jz @f |
||
2494 | mov esi, aOneShot |
||
2495 | call put_message_nodraw |
||
2496 | @@: |
||
2497 | mov esi, newline |
||
2498 | jmp put_message |
||
2499 | |||
2500 | add_breakpoint: |
||
2501 | ; in: eax=address, bl=flags |
||
2502 | ; out: CF=1 => error, CF=0 => eax=breakpoint number |
||
2503 | xor ecx, ecx |
||
2504 | mov edi, breakpoints |
||
2505 | @@: |
||
2506 | test byte [edi+4], 1 |
||
2507 | jz .found |
||
2508 | add edi, 6 |
||
2509 | inc ecx |
||
2510 | cmp ecx, breakpoints_n |
||
2511 | jb @b |
||
2512 | stc |
||
2513 | ret |
||
2514 | .found: |
||
2515 | stosd |
||
2516 | xchg eax, ecx |
||
2517 | mov [edi], bl |
||
2518 | test bl, 2 |
||
2519 | jnz @f |
||
2520 | or byte [edi], 2 |
||
2521 | push eax |
||
2522 | call enable_breakpoint |
||
2523 | pop eax |
||
2524 | @@: |
||
2525 | clc |
||
2526 | ret |
||
2527 | |||
2528 | clear_breakpoint: |
||
2529 | cmp eax, breakpoints_n |
||
2530 | jae .ret |
||
2531 | mov ecx, 4 |
||
2532 | inc eax |
||
2533 | .1: |
||
2534 | cmp [drx_break-4+ecx*4], eax |
||
2535 | jnz @f |
||
2536 | and [drx_break-4+ecx*4], 0 |
||
2537 | @@: loop .1 |
||
2538 | dec eax |
||
2539 | push eax |
||
2540 | add eax, eax |
||
2541 | lea edi, [breakpoints + eax + eax*2 + 4] |
||
2542 | test byte [edi], 1 |
||
2543 | pop eax |
||
2544 | jz .ret |
||
2545 | push edi |
||
2546 | call disable_breakpoint |
||
2547 | pop edi |
||
2548 | mov byte [edi], 0 |
||
2549 | .ret: |
||
2550 | ret |
||
2551 | |||
2552 | disable_breakpoint: |
||
2553 | cmp eax, breakpoints_n |
||
2554 | jae .ret |
||
2555 | add eax, eax |
||
2556 | lea edi, [breakpoints + eax + eax*2 + 5] |
||
2557 | test byte [edi-1], 1 |
||
2558 | jz .ret |
||
2559 | test byte [edi-1], 2 |
||
2560 | jnz .ret |
||
2561 | or byte [edi-1], 2 |
||
2562 | test byte [edi-1], 8 |
||
2563 | jnz .dr |
||
2564 | push esi |
||
2565 | push 7 |
||
2566 | pop ebx |
||
2567 | push 69 |
||
2568 | pop eax |
||
2569 | mov ecx, [debuggee_pid] |
||
2570 | xor edx, edx |
||
2571 | inc edx |
||
2572 | mov esi, [edi-5] |
||
2573 | int 40h |
||
2574 | pop esi |
||
2575 | .ret: |
||
2576 | ret |
||
2577 | .dr: |
||
2578 | mov dl, [edi] |
||
2579 | shr dl, 6 |
||
2580 | mov dh, 80h |
||
2581 | push 69 |
||
2582 | pop eax |
||
2583 | push 9 |
||
2584 | pop ebx |
||
2585 | mov ecx, [debuggee_pid] |
||
2586 | int 40h |
||
2587 | ret |
||
2588 | |||
2589 | enable_breakpoint: |
||
2590 | push esi |
||
2591 | cmp eax, breakpoints_n |
||
2592 | jae .ret |
||
2593 | add eax, eax |
||
2594 | lea edi, [breakpoints + eax + eax*2 + 5] |
||
2595 | test byte [edi-1], 1 |
||
2596 | jz .ret |
||
2597 | test byte [edi-1], 2 |
||
2598 | jz .ret |
||
2599 | and byte [edi-1], not 2 |
||
2600 | test byte [edi-1], 8 |
||
2601 | jnz .dr |
||
2602 | push 6 |
||
2603 | pop ebx |
||
2604 | push 69 |
||
2605 | pop eax |
||
2606 | mov esi, [edi-5] |
||
2607 | mov ecx, [debuggee_pid] |
||
2608 | xor edx, edx |
||
2609 | inc edx |
||
2610 | int 40h |
||
2611 | dec eax |
||
2612 | jnz .err |
||
2613 | mov al, 69 |
||
2614 | push 0xCC |
||
2615 | mov edi, esp |
||
2616 | inc ebx |
||
2617 | int 40h |
||
2618 | pop eax |
||
2619 | .ret: |
||
2620 | pop esi |
||
2621 | ret |
||
2622 | .err: |
||
2623 | or byte [edi-1], 2 |
||
2624 | mov esi, aBreakErr |
||
2625 | call put_message |
||
2626 | pop esi |
||
2627 | ret |
||
2628 | .dr: |
||
2629 | push 9 |
||
2630 | pop ebx |
||
2631 | push 69 |
||
2632 | pop eax |
||
2633 | mov esi, [edi-5] |
||
2634 | mov ecx, [debuggee_pid] |
||
2635 | mov dl, [edi] |
||
2636 | shr dl, 6 |
||
2637 | mov dh, [edi] |
||
2638 | and dh, 0xF |
||
2639 | int 40h |
||
2640 | test eax, eax |
||
2641 | jnz .err |
||
2642 | pop esi |
||
2643 | ret |
||
2644 | |||
2645 | find_breakpoint: |
||
2646 | xor ecx, ecx |
||
2647 | xchg eax, ecx |
||
2648 | mov edi, breakpoints |
||
2649 | @@: |
||
2650 | test byte [edi+4], 1 |
||
2651 | jz .cont |
||
2652 | test byte [edi+4], 8 |
||
2653 | jnz .cont |
||
2654 | cmp [edi], ecx |
||
2655 | jz .found |
||
2656 | .cont: |
||
2657 | add edi, 6 |
||
2658 | inc eax |
||
2659 | cmp eax, breakpoints_n |
||
2660 | jb @b |
||
2661 | or eax, -1 |
||
2662 | .found: |
||
2663 | ret |
||
2664 | |||
2665 | find_enabled_breakpoint: |
||
2666 | xor ecx, ecx |
||
2667 | xchg eax, ecx |
||
2668 | mov edi, breakpoints |
||
2669 | @@: |
||
2670 | test byte [edi+4], 1 |
||
2671 | jz .cont |
||
2672 | test byte [edi+4], 2 or 8 |
||
2673 | jnz .cont |
||
2674 | cmp [edi], ecx |
||
2675 | jz .found |
||
2676 | .cont: |
||
2677 | add edi, 6 |
||
2678 | inc eax |
||
2679 | cmp eax, breakpoints_n |
||
2680 | jb @b |
||
2681 | or eax, -1 |
||
2682 | .found: |
||
2683 | ret |
||
2684 | |||
2685 | OnUnpack: |
||
2686 | ; program must be loaded - checked when command was parsed |
||
2687 | ; program must be stopped |
||
2688 | mov esi, aRunningErr |
||
2689 | cmp [bSuspended], 0 |
||
2690 | jz put_message |
||
2691 | ; all breakpoints must be disabled |
||
2692 | mov edi, breakpoints |
||
2693 | @@: |
||
2694 | test byte [edi+4], 1 |
||
2695 | jz .cont |
||
2696 | test byte [edi+4], 2 |
||
2697 | jnz .cont |
||
2698 | mov esi, aEnabledBreakErr |
||
2699 | jmp put_message |
||
2700 | .cont: |
||
2701 | add edi, 6 |
||
2702 | cmp edi, breakpoints+breakpoints_n*6 |
||
2703 | jb @b |
||
2704 | ; ok, now do it |
||
2705 | ; set breakpoint on 0xC dword access |
||
2706 | push 9 |
||
2707 | pop ebx |
||
2708 | mov ecx, [debuggee_pid] |
||
2709 | mov dx, 1111b*256 |
||
2710 | push 0xC |
||
2711 | pop esi |
||
2712 | @@: |
||
2713 | push 69 |
||
2714 | pop eax |
||
2715 | int 40h |
||
2716 | test eax, eax |
||
2717 | jz .breakok |
||
2718 | inc edx |
||
2719 | cmp dl, 4 |
||
2720 | jb @b |
||
2721 | .breakok: |
||
2722 | call GoOn |
||
2723 | ; now wait for event |
||
2724 | .wait: |
||
2725 | push 10 |
||
2726 | pop eax |
||
2727 | int 40h |
||
2728 | dec eax |
||
2729 | jz .redraw |
||
2730 | dec eax |
||
2731 | jz .key |
||
2732 | dec eax |
||
2733 | jnz .debug |
||
2734 | ; button; we have only one button, close |
||
2735 | or eax, -1 |
||
2736 | int 40h |
||
2737 | .redraw: |
||
2738 | call draw_window |
||
2739 | jmp .wait |
||
2740 | .key: |
||
2741 | mov al, 2 |
||
2742 | int 40h |
||
2743 | cmp ah, 3 ; Ctrl+C |
||
2744 | jnz .wait |
||
2745 | .userbreak: |
||
2746 | mov esi, aInterrupted |
||
2747 | .x1: |
||
2748 | push edx esi |
||
2749 | call put_message |
||
2750 | pop esi edx |
||
2751 | or dh, 80h |
||
2752 | push 69 |
||
2753 | pop eax |
||
2754 | push 9 |
||
2755 | pop ebx |
||
2756 | mov ecx, [debuggee_pid] |
||
2757 | int 40h |
||
2758 | cmp esi, aUnpacked |
||
2759 | jnz OnSuspend |
||
2760 | jmp AfterSuspend |
||
2761 | .debug: |
||
2762 | cmp [dbgbuflen], 4*3 |
||
2763 | jnz .notour |
||
2764 | cmp dword [dbgbuf], 3 |
||
2765 | jnz .notour |
||
2766 | test byte [dbgbuf+8], 1 |
||
2767 | jnz .our |
||
2768 | .notour: |
||
2769 | mov esi, aInterrupted |
||
2770 | push edx |
||
2771 | call put_message |
||
2772 | pop edx |
||
2773 | or dh, 80h |
||
2774 | push 69 |
||
2775 | pop eax |
||
2776 | push 9 |
||
2777 | pop ebx |
||
2778 | mov ecx, [debuggee_pid] |
||
2779 | int 40h |
||
2780 | jmp debugmsg |
||
2781 | .our: |
||
2782 | and [dbgbuflen], 0 |
||
2783 | push edx |
||
2784 | call get_context |
||
2785 | push eax |
||
2786 | mov al, 69 |
||
2787 | mov bl, 6 |
||
2788 | mov ecx, [debuggee_pid] |
||
2789 | mov edi, esp |
||
2790 | push 4 |
||
2791 | pop edx |
||
2792 | push 0xC |
||
2793 | pop esi |
||
2794 | int 40h |
||
2795 | pop eax |
||
2796 | pop edx |
||
2797 | cmp eax, [_eip] |
||
2798 | jz .done |
||
2799 | call DoResume |
||
2800 | jmp .wait |
||
2801 | .done: |
||
2802 | mov esi, aUnpacked |
||
2803 | jmp .x1 |
||
2804 | |||
2805 | disasm_get_byte: |
||
2806 | ; out: al=byte |
||
2807 | push ecx |
||
2808 | mov ecx, [disasm_cur_pos] |
||
2809 | sub ecx, [disasm_start_pos] |
||
2810 | cmp ecx, [disasm_buf_size] |
||
2811 | jae disasm_err |
||
2812 | mov al, [disasm_buffer+ecx] |
||
2813 | pop ecx |
||
2814 | inc [disasm_cur_pos] |
||
2815 | ret |
||
2816 | disasm_get_word: |
||
2817 | push ecx |
||
2818 | mov ecx, [disasm_cur_pos] |
||
2819 | sub ecx, [disasm_start_pos] |
||
2820 | inc ecx |
||
2821 | cmp ecx, [disasm_buf_size] |
||
2822 | jae disasm_err |
||
2823 | mov ax, word [disasm_buffer-1+ecx] |
||
2824 | pop ecx |
||
2825 | add [disasm_cur_pos], 2 |
||
2826 | ret |
||
2827 | disasm_get_dword: |
||
2828 | push ecx |
||
2829 | mov ecx, [disasm_cur_pos] |
||
2830 | sub ecx, [disasm_start_pos] |
||
2831 | add ecx, 3 |
||
2832 | cmp ecx, [disasm_buf_size] |
||
2833 | jae disasm_err |
||
2834 | mov eax, dword [disasm_buffer-3+ecx] |
||
2835 | pop ecx |
||
2836 | add [disasm_cur_pos], 4 |
||
2837 | ret |
||
2838 | |||
2839 | disasm_err: |
||
2840 | mov esp, ebp |
||
2841 | stc_ret: |
||
2842 | stc |
||
2843 | ret |
||
2844 | disasm_ret: |
||
2845 | mov esp, ebp |
||
2846 | and byte [edi], 0 |
||
2847 | ret |
||
2848 | |||
2849 | disasm_instr: |
||
2850 | mov ebp, esp |
||
2851 | cmp [debuggee_pid], 0 |
||
2852 | jz stc_ret |
||
2853 | mov edi, disasm_string |
||
2854 | xor ecx, ecx |
||
2855 | ; ecx=flags |
||
2856 | disasm_loop1: |
||
2857 | xor eax, eax |
||
2858 | call disasm_get_byte |
||
2859 | jmp dword [disasm_table_1 + eax*4] |
||
2860 | |||
2861 | cop0: |
||
2862 | clock: |
||
2863 | crepnz: |
||
2864 | crep: |
||
2865 | csegcs: |
||
2866 | csegds: |
||
2867 | cseges: |
||
2868 | csegss: |
||
2869 | csegfs: |
||
2870 | cseggs: |
||
2871 | call @f |
||
2872 | db 0x2E,3,'cs:' |
||
2873 | db 0x36,3,'ss:' |
||
2874 | db 0x3E,3,'ds:' |
||
2875 | db 0x26,3,'es:' |
||
2876 | db 0x64,3,'fs:' |
||
2877 | db 0x65,3,'gs:' |
||
2878 | db 0x06,10,'push es' |
||
2879 | db 0x07,10,'pop es' |
||
2880 | db 0x0E,10,'push cs' |
||
2881 | db 0x16,10,'push ss' |
||
2882 | db 0x17,10,'pop ss' |
||
2883 | db 0x1E,10,'push ds' |
||
2884 | db 0x1F,10,'pop ds' |
||
2885 | db 0x27,3,'daa' |
||
2886 | db 0x2F,3,'das' |
||
2887 | db 0x37,3,'aaa' |
||
2888 | db 0x3F,3,'aas' |
||
2889 | db 0x60,6,0,'pusha' |
||
2890 | db 0x61,5,0,'popa' |
||
2891 | db 0x90,3,'nop' |
||
2892 | db 0x9B,5,'fwait' |
||
2893 | db 0x9C,6,0,'pushf' |
||
2894 | db 0x9D,5,0,'popf' |
||
2895 | db 0x9E,4,'sahf' |
||
2896 | db 0x9F,4,'lahf' |
||
2897 | db 0xA4,5,'movsb' |
||
2898 | db 0xA5,5,0,'movs' |
||
2899 | db 0xA6,5,'cmpsb' |
||
2900 | db 0xA7,5,0,'cmps' |
||
2901 | db 0xAA,5,'stosb' |
||
2902 | db 0xAB,5,0,'stos' |
||
2903 | db 0xAC,5,'lodsb' |
||
2904 | db 0xAD,5,0,'lods' |
||
2905 | db 0xAE,5,'scasb' |
||
2906 | db 0xAF,5,0,'scas' |
||
2907 | db 0xC3,3,'ret' |
||
2908 | db 0xC9,5,'leave' |
||
2909 | db 0xCC,4,'int3' |
||
2910 | db 0xF0,4,'lock' |
||
2911 | db 0xF2,5,'repnz' |
||
2912 | db 0xF3,6,'rep(z)' |
||
2913 | db 0xF5,3,'cmc' |
||
2914 | db 0xF8,3,'clc' |
||
2915 | db 0xF9,3,'stc' |
||
2916 | db 0xFA,3,'cli' |
||
2917 | db 0xFB,3,'sti' |
||
2918 | db 0xFC,3,'cld' |
||
2919 | db 0xFD,3,'std' |
||
410 | diamond | 2920 | csysenter: |
2921 | csyscall: |
||
2922 | ccpuid: |
||
2923 | crdtsc: |
||
2924 | call @f |
||
2925 | db 0x05,7,'syscall' |
||
2926 | db 0x31,5,'rdtsc' |
||
2927 | db 0x34,8,'sysenter' |
||
2928 | db 0xA2,5,'cpuid' |
||
205 | heavyiron | 2929 | @@: |
2930 | pop esi |
||
2931 | @@: |
||
2932 | cmp al, [esi] |
||
2933 | jz .found |
||
2934 | inc esi |
||
2935 | movzx edx, byte [esi] |
||
2936 | inc esi |
||
2937 | add esi, edx |
||
2938 | jmp @b |
||
2939 | .found: |
||
2940 | inc esi |
||
2941 | lodsb |
||
2942 | cmp byte [esi], 0 |
||
2943 | jz @f |
||
2944 | movzx ecx, al |
||
2945 | disasm_1: |
||
2946 | rep movsb |
||
2947 | and byte [edi], 0 |
||
2948 | ret |
||
2949 | @@: |
||
2950 | mov dl, ch |
||
2951 | movzx ecx, al |
||
2952 | dec ecx |
||
2953 | inc esi |
||
2954 | rep movsb |
||
2955 | test dl, 1 |
||
2956 | mov al, 'w' |
||
2957 | jnz @f |
||
2958 | mov al, 'd' |
||
2959 | @@: stosb |
||
2960 | and byte [edi], 0 |
||
2961 | ret |
||
2962 | |||
2963 | c67: |
||
2964 | or ch, 2 |
||
2965 | jmp disasm_loop1 |
||
2966 | c66: |
||
2967 | or ch, 1 |
||
2968 | jmp disasm_loop1 |
||
2969 | |||
2970 | center: |
||
2971 | caam: |
||
2972 | cxlat: |
||
2973 | ccmpxchg: |
||
2974 | cbsf: |
||
2975 | cbsr: |
||
2976 | ccmpxchg8b: |
||
2977 | cunk: |
||
2978 | cerr: |
||
2979 | mov eax, '???' |
||
2980 | stosd |
||
2981 | clc |
||
2982 | ret |
||
2983 | |||
2984 | cF: |
||
2985 | call disasm_get_byte |
||
2986 | jmp dword [disasm_table_2 + eax*4] |
||
2987 | |||
2988 | macro disasm_set_modew |
||
2989 | { |
||
2990 | test al, 1 |
||
2991 | jz @f |
||
2992 | or ch, 80h |
||
2993 | @@: |
||
2994 | } |
||
2995 | |||
2996 | cmov2: |
||
2997 | disasm_set_modew |
||
2998 | ; mov r/m,i |
||
2999 | call disasm_get_byte |
||
3000 | dec [disasm_cur_pos] |
||
3001 | test al, 00111000b |
||
3002 | jnz cunk |
||
3003 | mov eax, 'mov ' |
||
3004 | stosd |
||
3005 | mov eax, ' ' |
||
3006 | stosd |
||
3007 | call disasm_readrmop |
||
3008 | mov ax, ', ' |
||
3009 | stosw |
||
3010 | xor eax, eax |
||
3011 | test ch, 80h |
||
3012 | jnz .1 |
||
3013 | call disasm_get_byte |
||
3014 | jmp .3 |
||
3015 | .1: |
||
3016 | test ch, 1 |
||
3017 | jnz .2 |
||
3018 | call disasm_get_dword |
||
3019 | jmp .3 |
||
3020 | .2: |
||
3021 | call disasm_get_word |
||
3022 | .3: |
||
3023 | call disasm_write_num |
||
3024 | and byte [edi], 0 |
||
3025 | ret |
||
3026 | |||
3027 | cret2: |
||
3028 | mov eax, 'ret ' |
||
3029 | stosd |
||
3030 | mov eax, ' ' |
||
3031 | stosd |
||
3032 | xor eax, eax |
||
3033 | jmp cmov2.2 |
||
3034 | |||
3035 | disasm_write_num: |
||
3036 | push ecx eax |
||
3037 | inc edi |
||
3038 | @@: |
||
3039 | mov ecx, eax |
||
3040 | shr eax, 4 |
||
3041 | jz @f |
||
3042 | inc edi |
||
3043 | jmp @b |
||
3044 | @@: |
||
3045 | pop eax |
||
3046 | cmp ecx, 10 |
||
3047 | jb @f |
||
3048 | inc edi |
||
3049 | @@: |
||
3050 | push edi eax |
||
3051 | @@: |
||
3052 | mov ecx, eax |
||
3053 | and al, 0xF |
||
3054 | cmp al, 10 |
||
3055 | sbb al, 69h |
||
3056 | das |
||
3057 | dec edi |
||
3058 | mov [edi], al |
||
3059 | mov eax, ecx |
||
3060 | shr eax, 4 |
||
3061 | jnz @b |
||
3062 | cmp ecx, 10 |
||
3063 | jb @f |
||
3064 | mov byte [edi-1], '0' |
||
3065 | @@: |
||
3066 | pop eax edi ecx |
||
3067 | cmp eax, 10 |
||
3068 | jb @f |
||
3069 | mov byte [edi], 'h' |
||
3070 | inc edi |
||
3071 | @@: |
||
3072 | ret |
||
3073 | |||
3074 | label disasm_regs32 dword |
||
3075 | label disasm_regs dword |
||
3076 | db 'eax',0 |
||
3077 | db 'ecx',0 |
||
3078 | db 'edx',0 |
||
3079 | db 'ebx',0 |
||
3080 | db 'esp',0 |
||
3081 | db 'ebp',0 |
||
3082 | db 'esi',0 |
||
3083 | db 'edi',0 |
||
3084 | disasm_regs16 dw 'ax','cx','dx','bx','sp','bp','si','di' |
||
3085 | disasm_regs8 dw 'al','cl','dl','bl','ah','ch','dh','bh' |
||
3086 | disasm_scale db '1248' |
||
3087 | disasm_readrmop: |
||
3088 | call disasm_get_byte |
||
3089 | test ch, 40h |
||
3090 | jnz .skip_size |
||
3091 | push eax |
||
3092 | and al, 0xC0 |
||
3093 | cmp al, 0xC0 |
||
3094 | pop eax |
||
3095 | jz .skip_size |
||
3096 | test ch, 80h |
||
3097 | jz .byte |
||
3098 | test ch, 1 |
||
3099 | jnz .word |
||
3100 | mov dword [edi], 'dwor' |
||
3101 | mov byte [edi+4], 'd' |
||
3102 | inc edi |
||
3103 | jmp @f |
||
3104 | .byte: |
||
3105 | test ch, 20h |
||
3106 | jz .qb |
||
3107 | mov byte [edi], 't' |
||
3108 | inc edi |
||
3109 | .qb: |
||
3110 | mov dword [edi], 'byte' |
||
3111 | jmp @f |
||
3112 | .word: |
||
3113 | test ch, 20h |
||
3114 | jz .qw |
||
3115 | mov byte [edi], 'q' |
||
3116 | inc edi |
||
3117 | .qw: |
||
3118 | mov dword [edi], 'word' |
||
3119 | @@: |
||
3120 | mov byte [edi+4], ' ' |
||
3121 | add edi, 5 |
||
3122 | .skip_size: |
||
3123 | test ch, 2 |
||
3124 | jnz disasm_readrmop16 |
||
3125 | push ecx |
||
3126 | movzx ecx, al |
||
3127 | and eax, 7 |
||
3128 | shr ecx, 6 |
||
3129 | jz .vmod0 |
||
3130 | jp .vmod3 |
||
3131 | mov byte [edi], '[' |
||
3132 | inc edi |
||
3133 | cmp al, 4 |
||
3134 | jz .sib1 |
||
3135 | mov eax, [disasm_regs+eax*4] |
||
3136 | stosd |
||
3137 | dec edi |
||
3138 | jmp @f |
||
3139 | .sib1: |
||
3140 | call .parse_sib |
||
3141 | @@: |
||
3142 | mov al, '+' |
||
3143 | stosb |
||
3144 | dec ecx |
||
3145 | jz .vmod1 |
||
3146 | call disasm_get_dword |
||
3147 | jmp @f |
||
3148 | .vmod1: |
||
3149 | call disasm_get_byte |
||
3150 | movsx eax, al |
||
3151 | @@: |
||
3152 | test eax, eax |
||
3153 | jns .2 |
||
3154 | neg eax |
||
3155 | mov byte [edi-1], '-' |
||
3156 | .2: |
||
3157 | call disasm_write_num |
||
3158 | mov al, ']' |
||
3159 | stosb |
||
3160 | pop ecx |
||
3161 | ret |
||
3162 | .vmod3: |
||
3163 | pop ecx |
||
3164 | test ch, 80h |
||
3165 | jz .vmod3_byte |
||
3166 | test ch, 1 |
||
3167 | jnz .vmod3_word |
||
3168 | test ch, 20h |
||
3169 | jnz .vmod3_sti |
||
3170 | mov eax, [disasm_regs32+eax*4] |
||
3171 | stosd |
||
3172 | dec edi |
||
3173 | ret |
||
3174 | .vmod3_byte: |
||
3175 | mov ax, [disasm_regs8+eax*2] |
||
3176 | @@: |
||
3177 | stosw |
||
3178 | ret |
||
3179 | .vmod3_word: |
||
3180 | mov ax, [disasm_regs16+eax*2] |
||
3181 | jmp @b |
||
3182 | .vmod3_sti: |
||
3183 | mov word [edi], 'st' |
||
3184 | add al, '0' |
||
3185 | mov byte [edi+2], al |
||
3186 | add edi, 3 |
||
3187 | ret |
||
3188 | .vmod0: |
||
3189 | mov byte [edi], '[' |
||
3190 | inc edi |
||
3191 | cmp al, 4 |
||
3192 | jz .sib2 |
||
3193 | cmp al, 5 |
||
3194 | jz .ofs32 |
||
3195 | mov eax, [disasm_regs+eax*4] |
||
3196 | stosd |
||
3197 | mov byte [edi-1], ']' |
||
3198 | pop ecx |
||
3199 | ret |
||
3200 | .ofs32: |
||
3201 | call disasm_get_dword |
||
3202 | jmp .2 |
||
3203 | .sib2: |
||
3204 | call .parse_sib |
||
3205 | mov al, ']' |
||
3206 | stosb |
||
3207 | pop ecx |
||
3208 | ret |
||
3209 | .parse_sib: |
||
3210 | call disasm_get_byte |
||
3211 | push edx |
||
3212 | mov dl, al |
||
3213 | mov dh, 0 |
||
3214 | and eax, 7 |
||
3215 | cmp al, 5 |
||
3216 | jnz @f |
||
3217 | jecxz .sib0 |
||
3218 | @@: |
||
3219 | mov eax, [disasm_regs+eax*4] |
||
3220 | stosd |
||
3221 | dec edi |
||
3222 | mov dh, 1 |
||
3223 | .sib0: |
||
3224 | mov al, dl |
||
3225 | shr eax, 3 |
||
3226 | and eax, 7 |
||
3227 | cmp al, 4 |
||
3228 | jz .sibret |
||
3229 | test dh, dh |
||
3230 | jz @f |
||
3231 | mov byte [edi], '+' |
||
3232 | inc edi |
||
3233 | @@: |
||
3234 | mov eax, [disasm_regs+eax*4] |
||
3235 | stosd |
||
3236 | dec edi |
||
3237 | shr dl, 6 |
||
3238 | jz @f |
||
3239 | mov al, '*' |
||
3240 | stosb |
||
3241 | movzx eax, dl |
||
3242 | mov al, [disasm_scale+eax] |
||
3243 | stosb |
||
3244 | @@: |
||
3245 | .sibret: |
||
3246 | test dh, dh |
||
3247 | jnz .sibret2 |
||
3248 | call disasm_get_dword |
||
3249 | cmp byte [edi-1], '[' |
||
3250 | jz @f |
||
3251 | mov byte [edi], '+' |
||
3252 | test eax, eax |
||
3253 | jns .sibns |
||
3254 | neg eax |
||
3255 | mov byte [edi], '-' |
||
3256 | .sibns: |
||
3257 | inc edi |
||
3258 | @@: |
||
3259 | call disasm_write_num |
||
3260 | .sibret2: |
||
3261 | pop edx |
||
3262 | ret |
||
3263 | |||
3264 | disasm_rm16_1 dd 'bxsi','bxdi','bpsi','bpdi' |
||
3265 | disasm_rm16_2 dw 'si','di','bp','bx' |
||
3266 | disasm_readrmop16: |
||
3267 | push ecx |
||
3268 | movzx ecx, al |
||
3269 | and eax, 7 |
||
3270 | shr ecx, 6 |
||
3271 | jz .vmod0 |
||
3272 | jp disasm_readrmop.vmod3 ; mod=3 is the same in 16- and 32-bit code |
||
3273 | ; 1 or 2 |
||
3274 | mov byte [edi], '[' |
||
3275 | inc edi |
||
3276 | cmp al, 4 |
||
3277 | jae @f |
||
3278 | mov eax, [disasm_rm16_1+eax*4] |
||
3279 | stosw |
||
3280 | mov al, '+' |
||
3281 | stosb |
||
3282 | shr eax, 16 |
||
3283 | jmp .1 |
||
3284 | @@: |
||
3285 | mov eax, dword [disasm_rm16_2+eax*2-4*2] |
||
3286 | .1: |
||
3287 | stosw |
||
3288 | mov al, '+' |
||
3289 | stosb |
||
3290 | xor eax, eax |
||
3291 | dec ecx |
||
3292 | jnz .2 |
||
3293 | call disasm_get_byte |
||
3294 | cbw |
||
3295 | jmp @f |
||
3296 | .2: |
||
3297 | call disasm_get_word |
||
3298 | @@: |
||
3299 | test ax, ax |
||
3300 | jns @f |
||
3301 | mov byte [edi-1], '-' |
||
3302 | neg ax |
||
3303 | @@: |
||
3304 | call disasm_write_num |
||
3305 | .done1: |
||
3306 | mov al, ']' |
||
3307 | stosb |
||
3308 | pop ecx |
||
3309 | ret |
||
3310 | .vmod0: |
||
3311 | mov byte [edi], '[' |
||
3312 | inc edi |
||
3313 | cmp al, 6 |
||
3314 | jz .ofs16 |
||
3315 | cmp al, 4 |
||
3316 | jae @f |
||
3317 | mov eax, [disasm_rm16_1+eax*4] |
||
3318 | stosw |
||
3319 | mov al, '+' |
||
3320 | stosb |
||
3321 | shr eax, 16 |
||
3322 | jmp .3 |
||
3323 | @@: |
||
3324 | mov eax, dword [disasm_rm16_2+eax*2-4*2] |
||
3325 | .3: |
||
3326 | stosw |
||
3327 | jmp .done1 |
||
3328 | .ofs16: |
||
3329 | xor eax, eax |
||
3330 | call disasm_get_word |
||
3331 | call disasm_write_num |
||
3332 | jmp .done1 |
||
3333 | |||
3334 | cpush21: |
||
3335 | mov eax, 'push' |
||
3336 | stosd |
||
3337 | mov eax, ' ' |
||
3338 | stosd |
||
3339 | disasm_i32: |
||
3340 | call disasm_get_dword |
||
3341 | call disasm_write_num |
||
3342 | and byte [edi], 0 |
||
3343 | ret |
||
3344 | |||
3345 | cpush22: |
||
3346 | mov eax, 'push' |
||
3347 | stosd |
||
3348 | mov eax, ' ' |
||
3349 | stosd |
||
3350 | call disasm_get_byte |
||
3351 | movsx eax, al |
||
3352 | call disasm_write_num |
||
3353 | and byte [edi], 0 |
||
3354 | ret |
||
3355 | |||
3356 | cinc1: |
||
3357 | ; inc reg32 |
||
3358 | cdec1: |
||
3359 | ; dec reg32 |
||
3360 | cpush1: |
||
3361 | ; push reg32 |
||
3362 | cpop1: |
||
3363 | ; pop reg32 |
||
3364 | cbswap: |
||
3365 | ; bswap reg32 |
||
3366 | mov edx, eax |
||
3367 | and edx, 7 |
||
3368 | shr eax, 3 |
||
3369 | sub al, 8 |
||
3370 | mov esi, 'inc ' |
||
3371 | jz @f |
||
3372 | mov esi, 'dec ' |
||
3373 | dec al |
||
3374 | jz @f |
||
3375 | mov esi, 'push' |
||
3376 | dec al |
||
3377 | jz @f |
||
3378 | mov esi, 'pop ' |
||
3379 | dec al |
||
3380 | jz @f |
||
3381 | mov esi, 'bswa' |
||
3382 | @@: |
||
3383 | xchg eax, esi |
||
3384 | stosd |
||
3385 | mov eax, ' ' |
||
3386 | jz @f |
||
3387 | mov al, 'p' |
||
3388 | @@: |
||
3389 | stosd |
||
3390 | xchg eax, edx |
||
3391 | call disasm_write_reg1632 |
||
3392 | and byte [edi], 0 |
||
3393 | ret |
||
3394 | |||
3395 | cxchg1: |
||
3396 | ; xchg eax,reg32 |
||
3397 | and eax, 7 |
||
3398 | xchg eax, edx |
||
3399 | mov eax, 'xchg' |
||
3400 | stosd |
||
3401 | mov eax, ' ' |
||
3402 | stosd |
||
3403 | xor eax, eax |
||
3404 | call disasm_write_reg1632 |
||
3405 | mov ax, ', ' |
||
3406 | stosw |
||
3407 | xchg eax, edx |
||
3408 | call disasm_write_reg1632 |
||
3409 | and byte [edi], 0 |
||
3410 | ret |
||
3411 | |||
3412 | cint: |
||
3413 | mov eax, 'int ' |
||
3414 | stosd |
||
3415 | mov eax, ' ' |
||
3416 | stosd |
||
3417 | disasm_i8u: |
||
3418 | xor eax, eax |
||
3419 | call disasm_get_byte |
||
3420 | call disasm_write_num |
||
3421 | and byte [edi], 0 |
||
3422 | ret |
||
3423 | |||
3424 | cmov11: |
||
3425 | ; mov r8,i8 |
||
3426 | mov ecx, eax |
||
3427 | mov eax, 'mov ' |
||
3428 | stosd |
||
3429 | mov eax, ' ' |
||
3430 | stosd |
||
3431 | and ecx, 7 |
||
3432 | mov ax, [disasm_regs8+ecx*2] |
||
3433 | stosw |
||
3434 | mov ax, ', ' |
||
3435 | stosw |
||
3436 | jmp disasm_i8u |
||
3437 | |||
3438 | cmov12: |
||
3439 | ; mov r32,i32 |
||
3440 | xchg eax, edx |
||
3441 | mov eax, 'mov ' |
||
3442 | stosd |
||
3443 | mov eax, ' ' |
||
3444 | stosd |
||
3445 | xchg eax, edx |
||
3446 | and eax, 7 |
||
3447 | call disasm_write_reg1632 |
||
3448 | mov ax, ', ' |
||
3449 | stosw |
||
3450 | jmp cmov2.1 |
||
3451 | |||
3452 | disasm_shifts dd 'rol ','ror ','rcl ','rcr ','shl ','shr ','sal ','sar ' |
||
3453 | cshift2: |
||
3454 | ; shift r/m,1 = D0/D1 |
||
3455 | cshift3: |
||
3456 | ; shift r/m,cl = D2/D3 |
||
3457 | disasm_set_modew |
||
3458 | mov dl, al |
||
3459 | call disasm_get_byte |
||
3460 | dec [disasm_cur_pos] |
||
3461 | shr al, 3 |
||
3462 | and eax, 7 |
||
3463 | mov eax, [disasm_shifts+eax*4] |
||
3464 | stosd |
||
3465 | mov eax, ' ' |
||
3466 | stosd |
||
3467 | call disasm_readrmop |
||
3468 | cmp dl, 0xD2 |
||
3469 | jb .s1 |
||
3470 | mov eax, ', cl' |
||
3471 | stosd |
||
3472 | and byte [edi], 0 |
||
3473 | ret |
||
3474 | .s1: |
||
3475 | mov eax, ', 1' |
||
3476 | stosd |
||
3477 | clc |
||
3478 | ret |
||
3479 | |||
3480 | cshift1: |
||
3481 | ; shift r/m,i8 = C0/C1 |
||
3482 | disasm_set_modew |
||
3483 | call disasm_get_byte |
||
3484 | dec [disasm_cur_pos] |
||
3485 | shr al, 3 |
||
3486 | and eax, 7 |
||
3487 | mov eax, [disasm_shifts+eax*4] |
||
3488 | stosd |
||
3489 | mov eax, ' ' |
||
3490 | stosd |
||
3491 | call disasm_readrmop |
||
3492 | mov ax, ', ' |
||
3493 | stosw |
||
3494 | jmp disasm_i8u |
||
3495 | |||
3496 | |||
3497 | cmov3: |
||
3498 | ; A0: mov al,[ofs32] |
||
3499 | ; A1: mov ax/eax,[ofs32] |
||
3500 | ; A2: mov [ofs32],al |
||
3501 | ; A3: mov [ofs32],ax/eax |
||
3502 | mov edx, 'mov ' |
||
3503 | xchg eax, edx |
||
3504 | stosd |
||
3505 | mov eax, ' ' |
||
3506 | stosd |
||
3507 | test dl, 2 |
||
3508 | jnz .1 |
||
3509 | call .write_acc |
||
3510 | mov ax, ', ' |
||
3511 | stosw |
||
3512 | call .write_ofs32 |
||
3513 | jmp .2 |
||
3514 | .1: |
||
3515 | call .write_ofs32 |
||
3516 | mov ax, ', ' |
||
3517 | stosw |
||
3518 | call .write_acc |
||
3519 | .2: and byte [edi], 0 |
||
3520 | ret |
||
3521 | .write_acc: |
||
3522 | test dl, 1 |
||
3523 | jz .8bit |
||
3524 | test ch, 1 |
||
3525 | jnz .16bit |
||
3526 | mov eax, 'eax' |
||
3527 | stosd |
||
3528 | dec edi |
||
3529 | ret |
||
3530 | .16bit: |
||
3531 | mov ax, 'ax' |
||
3532 | stosw |
||
3533 | ret |
||
3534 | .8bit: |
||
3535 | mov ax, 'al' |
||
3536 | stosw |
||
3537 | ret |
||
3538 | .write_ofs32: |
||
3539 | mov al, '[' |
||
3540 | stosb |
||
3541 | call disasm_get_dword |
||
3542 | call disasm_write_num |
||
3543 | mov al, ']' |
||
3544 | stosb |
||
3545 | ret |
||
3546 | |||
3547 | disasm_write_reg: |
||
3548 | test ch, 80h |
||
3549 | jnz disasm_write_reg1632 |
||
3550 | mov ax, [disasm_regs8+eax*2] |
||
3551 | stosw |
||
3552 | ret |
||
3553 | disasm_write_reg1632: |
||
3554 | test ch, 1 |
||
3555 | jnz @f |
||
3556 | mov eax, [disasm_regs32+eax*4] |
||
3557 | stosd |
||
3558 | dec edi |
||
3559 | ret |
||
3560 | @@: |
||
3561 | mov ax, [disasm_regs16+eax*2] |
||
3562 | stosw |
||
3563 | ret |
||
3564 | |||
3565 | cmovzx: ; 0F B6/B7 |
||
3566 | cmovsx: ; 0F BE/BF |
||
3567 | mov edx, eax |
||
3568 | disasm_set_modew |
||
3569 | mov eax, 'movz' |
||
3570 | cmp dl, 0xB8 |
||
3571 | jb @f |
||
3572 | mov eax, 'movs' |
||
3573 | @@: |
||
3574 | stosd |
||
3575 | mov eax, 'x ' |
||
3576 | stosd |
||
3577 | call disasm_get_byte |
||
3578 | dec [disasm_cur_pos] |
||
3579 | shr al, 3 |
||
3580 | and eax, 7 |
||
3581 | call disasm_write_reg1632 |
||
3582 | mov ax, ', ' |
||
3583 | stosw |
||
3584 | or ch, 1 ; 2nd operand - 8 or 16 bits |
||
3585 | call disasm_readrmop |
||
3586 | and byte [edi], 0 |
||
3587 | ret |
||
3588 | |||
3589 | disasm_op2cmds dd 'add ','or ','adc ','sbb ','and ','sub ','xor ','cmp ' |
||
3590 | cop21: |
||
3591 | disasm_set_modew |
||
3592 | mov esi, 'test' |
||
3593 | cmp al, 0A8h |
||
3594 | jae @f |
||
3595 | shr al, 3 |
||
3596 | and eax, 7 |
||
3597 | mov esi, [disasm_op2cmds+eax*4] |
||
3598 | @@: |
||
3599 | xchg eax, esi |
||
3600 | stosd |
||
3601 | mov eax, ' ' |
||
3602 | stosd |
||
3603 | test ch, 80h |
||
3604 | jnz .1632 |
||
3605 | mov eax, 'al, ' |
||
3606 | stosd |
||
3607 | jmp disasm_i8u |
||
3608 | .1632: |
||
3609 | test ch, 1 |
||
3610 | jnz .16 |
||
3611 | mov eax, 'eax,' |
||
3612 | stosd |
||
3613 | mov al, ' ' |
||
3614 | stosb |
||
3615 | call disasm_get_dword |
||
3616 | jmp .x |
||
3617 | .16: |
||
3618 | mov eax, 'ax, ' |
||
3619 | stosd |
||
3620 | xor eax, eax |
||
3621 | call disasm_get_word |
||
3622 | .x: |
||
3623 | call disasm_write_num |
||
3624 | and byte [edi], 0 |
||
3625 | ret |
||
3626 | |||
3627 | cop22: |
||
3628 | disasm_set_modew |
||
3629 | or ch, 40h |
||
3630 | mov edx, eax |
||
3631 | mov esi, 'lea ' |
||
3632 | cmp al, 8Dh |
||
3633 | jz @f |
||
3634 | mov esi, 'imul' |
||
3635 | cmp al, 0xAF |
||
3636 | jz @f |
||
3637 | mov esi, 'mov ' |
||
3638 | cmp al, 88h |
||
3639 | jae @f |
||
3640 | mov esi, 'xchg' |
||
3641 | cmp al, 86h |
||
3642 | jae @f |
||
3643 | mov esi, 'test' |
||
3644 | cmp al, 84h |
||
3645 | jae @f |
||
3646 | shr al, 3 |
||
3647 | and eax, 7 |
||
3648 | mov esi, [disasm_op2cmds+eax*4] |
||
3649 | @@: |
||
3650 | xchg eax, esi |
||
3651 | stosd |
||
3652 | mov eax, ' ' |
||
3653 | stosd |
||
3654 | call disasm_get_byte |
||
3655 | dec [disasm_cur_pos] |
||
3656 | shr al, 3 |
||
3657 | and eax, 7 |
||
3658 | cmp dl, 0x8D |
||
3659 | jz @f |
||
3660 | cmp dl, 0x86 |
||
3661 | jz @f |
||
3662 | cmp dl, 0x87 |
||
3663 | jz @f |
||
3664 | test dl, 2 |
||
3665 | jz .d0 |
||
3666 | @@: |
||
3667 | call disasm_write_reg |
||
3668 | mov ax, ', ' |
||
3669 | stosw |
||
3670 | call disasm_readrmop |
||
3671 | and byte [edi], 0 |
||
3672 | ret |
||
3673 | .d0: |
||
3674 | push eax |
||
3675 | call disasm_readrmop |
||
3676 | mov ax, ', ' |
||
3677 | stosw |
||
3678 | pop eax |
||
3679 | call disasm_write_reg |
||
3680 | and byte [edi], 0 |
||
3681 | ret |
||
3682 | |||
3683 | cop23: |
||
3684 | disasm_set_modew |
||
3685 | xchg eax, edx |
||
3686 | call disasm_get_byte |
||
3687 | dec [disasm_cur_pos] |
||
3688 | shr eax, 3 |
||
3689 | and eax, 7 |
||
3690 | mov eax, [disasm_op2cmds+eax*4] |
||
3691 | ctest: |
||
3692 | stosd |
||
3693 | mov eax, ' ' |
||
3694 | stosd |
||
3695 | call disasm_readrmop |
||
3696 | mov ax, ', ' |
||
3697 | stosw |
||
3698 | test ch, 80h |
||
3699 | jz .i8 |
||
3700 | cmp dl, 83h |
||
3701 | jz .i8 |
||
3702 | test ch, 1 |
||
3703 | jnz .i16 |
||
3704 | call disasm_get_dword |
||
3705 | jmp .ic |
||
3706 | .i8: |
||
3707 | xor eax, eax |
||
3708 | call disasm_get_byte |
||
3709 | cmp dl, 83h |
||
3710 | jnz .ic |
||
3711 | movsx eax, al |
||
3712 | jmp .ic |
||
3713 | .i16: |
||
3714 | xor eax, eax |
||
3715 | call disasm_get_word |
||
3716 | .ic: |
||
3717 | call disasm_write_num |
||
3718 | and byte [edi], 0 |
||
3719 | ret |
||
3720 | |||
3721 | cbtx1: |
||
3722 | ; btx r/m,i8 = 0F BA |
||
3723 | or ch, 80h |
||
3724 | call disasm_get_byte |
||
3725 | dec [disasm_cur_pos] |
||
3726 | shr al, 3 |
||
3727 | and eax, 7 |
||
3728 | cmp al, 4 |
||
3729 | jb cunk |
||
3730 | mov eax, [btx1codes+eax*4-4*4] |
||
3731 | stosd |
||
3732 | mov eax, ' ' |
||
3733 | stosd |
||
3734 | call disasm_readrmop |
||
3735 | mov ax, ', ' |
||
3736 | stosw |
||
3737 | jmp disasm_i8u |
||
3738 | btx1codes dd 'bt ','bts ','btr ','btc ' |
||
3739 | cbtx2: |
||
3740 | ; btx r/m,r = 0F 101xx011 (A3,AB,B3,BB) |
||
3741 | shr al, 3 |
||
3742 | and eax, 3 |
||
3743 | mov eax, [btx1codes+eax*4] |
||
3744 | stosd |
||
3745 | mov eax, ' ' |
||
3746 | stosd |
||
3747 | or ch, 0xC0 |
||
3748 | call disasm_get_byte |
||
3749 | dec [disasm_cur_pos] |
||
3750 | shr al, 3 |
||
3751 | and eax, 7 |
||
3752 | push eax |
||
3753 | call disasm_readrmop |
||
3754 | mov ax, ', ' |
||
3755 | stosw |
||
3756 | pop eax |
||
3757 | call disasm_write_reg1632 |
||
3758 | and byte [edi], 0 |
||
3759 | ret |
||
3760 | |||
3761 | csetcc: |
||
3762 | and eax, 0xF |
||
3763 | mov ax, [disasm_jcc_codes + eax*2] |
||
3764 | mov dword [edi], 'setc' |
||
3765 | add edi, 3 |
||
3766 | stosw |
||
3767 | mov ax, ' ' |
||
3768 | stosw |
||
3769 | stosb |
||
3770 | call disasm_readrmop |
||
3771 | and byte [edi], 0 |
||
3772 | ret |
||
3773 | |||
3774 | disasm_jcc_codes dw 'o ','no','b ','ae','z ','nz','be','a ','s ','ns','p ','np','l ','ge','le','g ' |
||
3775 | cjcc1: |
||
3776 | cjmp2: |
||
3777 | cmp al, 0xEB |
||
3778 | jz .1 |
||
3779 | and eax, 0xF |
||
3780 | mov ax, [disasm_jcc_codes + eax*2] |
||
3781 | jmp .2 |
||
3782 | .1: |
||
3783 | mov ax, 'mp' |
||
3784 | .2: |
||
3785 | mov byte [edi], 'j' |
||
3786 | inc edi |
||
3787 | stosw |
||
3788 | mov eax, ' ' |
||
3789 | stosb |
||
3790 | stosd |
||
3791 | call disasm_get_byte |
||
3792 | movsx eax, al |
||
3793 | disasm_rva: |
||
3794 | add eax, [disasm_cur_pos] |
||
3795 | call disasm_write_num |
||
3796 | and byte [edi], 0 |
||
3797 | ret |
||
3798 | |||
3799 | ccall1: |
||
3800 | cjmp1: |
||
3801 | cjcc2: |
||
3802 | mov edx, 'call' |
||
3803 | cmp al, 0xE8 |
||
3804 | jz @f |
||
3805 | mov edx, 'jmp ' |
||
3806 | cmp al, 0xE9 |
||
3807 | jz @f |
||
3808 | mov edx, ' ' |
||
3809 | and eax, 0xF |
||
3810 | mov dx, [disasm_jcc_codes+eax*2] |
||
3811 | shl edx, 8 |
||
3812 | mov dl, 'j' |
||
3813 | @@: |
||
3814 | xchg eax, edx |
||
3815 | stosd |
||
3816 | mov eax, ' ' |
||
3817 | stosd |
||
3818 | call disasm_get_dword |
||
3819 | jmp disasm_rva |
||
3820 | |||
3821 | op11codes dd 'test',0,'not ','neg ','mul ','imul','div ','idiv' |
||
3822 | op12codes dd 'inc ','dec ','call',0,'jmp ',0,'push',0 |
||
3823 | cop1: |
||
3824 | disasm_set_modew |
||
3825 | xchg eax, edx |
||
3826 | call disasm_get_byte |
||
3827 | dec [disasm_cur_pos] |
||
3828 | shr al, 3 |
||
3829 | and eax, 7 |
||
3830 | cmp dl, 0xFE |
||
3831 | jnz @f |
||
3832 | cmp al, 1 |
||
3833 | ja cunk |
||
3834 | @@: |
||
3835 | and edx, 8 |
||
3836 | add eax, edx |
||
3837 | mov eax, [op11codes+eax*4] |
||
3838 | test eax, eax |
||
3839 | jz cunk |
||
3840 | cmp eax, 'test' |
||
3841 | jz ctest |
||
3842 | @@: |
||
3843 | stosd |
||
3844 | mov eax, ' ' |
||
3845 | stosd |
||
3846 | call disasm_readrmop |
||
3847 | and byte [edi], 0 |
||
3848 | ret |
||
3849 | |||
3850 | cpop2: |
||
3851 | or ch, 80h |
||
3852 | call disasm_get_byte |
||
3853 | dec [disasm_cur_pos] |
||
3854 | test al, 00111000b |
||
3855 | jnz cunk |
||
3856 | mov eax, 'pop ' |
||
3857 | jmp @b |
||
3858 | |||
3859 | cloopnz: |
||
3860 | mov eax, 'loop' |
||
3861 | stosd |
||
3862 | mov eax, 'nz ' |
||
3863 | test ch, 2 |
||
3864 | jz @f |
||
3865 | mov ah, 'w' |
||
3866 | @@: jmp cloop.cmn |
||
3867 | cloopz: |
||
3868 | mov eax, 'loop' |
||
3869 | stosd |
||
3870 | mov eax, 'z ' |
||
3871 | test ch, 2 |
||
3872 | jz @f |
||
3873 | mov eax, 'zw ' |
||
3874 | @@: jmp cloop.cmn |
||
3875 | |||
3876 | cjcxz: |
||
3877 | cloop: |
||
3878 | cmp al, 0xE2 |
||
3879 | jz .loop |
||
3880 | test ch, 2 |
||
3881 | jnz .jcxz |
||
3882 | mov eax, 'jecx' |
||
3883 | stosd |
||
3884 | mov eax, 'z ' |
||
3885 | jmp .cmn |
||
3886 | .jcxz: |
||
3887 | mov eax, 'jcxz' |
||
3888 | stosd |
||
3889 | mov eax, ' ' |
||
3890 | jmp .cmn |
||
3891 | .loop: |
||
3892 | mov eax, 'loop' |
||
3893 | stosd |
||
3894 | mov eax, ' ' |
||
3895 | test ch, 2 |
||
3896 | jz .cmn |
||
3897 | mov al, 'w' |
||
3898 | .cmn: |
||
3899 | stosd |
||
3900 | call disasm_get_byte |
||
3901 | movsx eax, al |
||
3902 | add eax, [disasm_cur_pos] |
||
3903 | test ch, 1 |
||
3904 | jz @f |
||
3905 | and eax, 0xFFFF |
||
3906 | @@: |
||
3907 | disasm_write_num_done: |
||
3908 | call disasm_write_num |
||
3909 | and byte [edi], 0 |
||
3910 | ret |
||
3911 | |||
3912 | cimul1: |
||
3913 | ; imul r,r/m,i |
||
3914 | or ch, 80h ; 32bit operation |
||
3915 | xchg eax, edx |
||
3916 | mov eax, 'imul' |
||
3917 | stosd |
||
3918 | mov eax, ' ' |
||
3919 | stosd |
||
3920 | call disasm_get_byte |
||
3921 | dec [disasm_cur_pos] |
||
3922 | shr al, 3 |
||
3923 | and eax, 7 |
||
3924 | call disasm_write_reg1632 |
||
3925 | mov ax, ', ' |
||
3926 | stosw |
||
3927 | call disasm_readrmop |
||
3928 | mov ax, ', ' |
||
3929 | stosw |
||
3930 | test ch, 1 |
||
3931 | jnz .16 |
||
3932 | cmp dl, 0x69 |
||
3933 | jz .op32 |
||
3934 | call disasm_get_byte |
||
3935 | movsx eax, al |
||
3936 | jmp disasm_write_num_done |
||
3937 | .op32: |
||
3938 | call disasm_get_dword |
||
3939 | jmp disasm_write_num_done |
||
3940 | .16: |
||
3941 | cmp dl, 0x69 |
||
3942 | jz .op16 |
||
3943 | call disasm_get_byte |
||
3944 | cbw |
||
3945 | jmp disasm_write_num_done |
||
3946 | .op16: |
||
3947 | xor eax, eax |
||
3948 | call disasm_get_word |
||
3949 | jmp disasm_write_num_done |
||
3950 | |||
3951 | cshld: |
||
3952 | cshrd: |
||
3953 | mov edx, 'shld' |
||
3954 | test al, 8 |
||
3955 | jz @f |
||
3956 | mov edx, 'shrd' |
||
3957 | @@: |
||
3958 | xchg eax, edx |
||
3959 | stosd |
||
3960 | mov eax, ' ' |
||
3961 | stosd |
||
3962 | call disasm_get_byte |
||
3963 | dec [disasm_cur_pos] |
||
3964 | shr al, 3 |
||
3965 | and eax, 7 |
||
3966 | push eax |
||
3967 | or ch, 80h |
||
3968 | call disasm_readrmop |
||
3969 | mov ax, ', ' |
||
3970 | stosw |
||
3971 | pop eax |
||
3972 | call disasm_write_reg1632 |
||
3973 | mov ax, ', ' |
||
3974 | stosw |
||
3975 | test dl, 1 |
||
3976 | jz disasm_i8u |
||
3977 | mov ax, 'cl' |
||
3978 | stosw |
||
3979 | and byte [edi], 0 |
||
3980 | ret |
||
3981 | |||
3982 | ccbw: |
||
3983 | mov eax, 'cbw ' |
||
3984 | test ch, 1 |
||
3985 | jnz @f |
||
3986 | mov eax, 'cwde' |
||
3987 | @@: stosd |
||
3988 | and byte [edi+1], 0 |
||
3989 | ret |
||
3990 | ccwd: |
||
3991 | mov eax, 'cwd ' |
||
3992 | test ch, 1 |
||
3993 | jnz @b |
||
3994 | mov eax, 'cdq ' |
||
3995 | jmp @b |
||
3996 | |||
3997 | fpuD8 dd 'add ','mul ','com ','comp','sub ','subr','div ','divr' |
||
3998 | |||
3999 | cD8: |
||
4000 | call disasm_get_byte |
||
4001 | dec [disasm_cur_pos] |
||
4002 | push eax |
||
4003 | shr al, 3 |
||
4004 | and eax, 7 |
||
4005 | mov byte [edi], 'f' |
||
4006 | inc edi |
||
4007 | xchg eax, edx |
||
4008 | mov eax, [fpuD8+edx*4] |
||
4009 | stosd |
||
4010 | mov ax, ' ' |
||
4011 | stosw |
||
4012 | stosb |
||
4013 | pop eax |
||
4014 | cmp dl, 2 |
||
4015 | jb .1 |
||
4016 | cmp dl, 3 |
||
4017 | jbe .2 |
||
4018 | .1: |
||
4019 | cmp al, 0xC0 |
||
4020 | jb .2 |
||
4021 | mov eax, 'st0,' |
||
4022 | stosd |
||
4023 | mov al, ' ' |
||
4024 | stosb |
||
4025 | .2: |
||
4026 | or ch, 80h or 20h |
||
4027 | and ch, not 1 |
||
4028 | call disasm_readrmop |
||
4029 | and byte [edi], 0 |
||
4030 | ret |
||
4031 | |||
4032 | fpuD9_2: |
||
4033 | dq 'fchs ','fabs ',0,0,'ftst ','fxam ',0,0 |
||
4034 | db 'fld1 fldl2t fldl2e fldpi fldlg2 fldln2 fldz ' |
||
4035 | dq 0 |
||
4036 | db 'f2xm1 fyl2x fptan fpatan fxtract fprem1 fdecstp fincstp ' |
||
4037 | db 'fprem fyl2xp1 fsqrt fsincos frndint fscale fsin fcos ' |
||
4038 | fpuD9_fnop db 'fnop ' |
||
4039 | cD9: |
||
4040 | call disasm_get_byte |
||
4041 | sub al, 0xC0 |
||
4042 | jae .l1 |
||
4043 | dec [disasm_cur_pos] |
||
4044 | shr al, 3 |
||
4045 | and eax, 7 |
||
4046 | cmp al, 7 |
||
4047 | jnz @f |
||
4048 | mov eax, 'fnst' |
||
4049 | stosd |
||
4050 | mov eax, 'cw ' |
||
4051 | jmp .x1 |
||
4052 | @@: |
||
4053 | cmp al, 5 |
||
4054 | jnz @f |
||
4055 | mov eax, 'fldc' |
||
4056 | stosd |
||
4057 | mov eax, 'w ' |
||
4058 | .x1: |
||
4059 | stosd |
||
4060 | or ch, 0C1h |
||
4061 | jmp .cmn |
||
4062 | @@: |
||
4063 | mov edx, 'fld ' |
||
4064 | test al, al |
||
4065 | jz @f |
||
4066 | mov edx, 'fst ' |
||
4067 | cmp al, 2 |
||
4068 | jz @f |
||
4069 | mov edx, 'fstp' |
||
4070 | cmp al, 3 |
||
4071 | jnz cunk |
||
4072 | @@: |
||
4073 | xchg eax, edx |
||
4074 | stosd |
||
4075 | mov eax, ' ' |
||
4076 | stosd |
||
4077 | or ch, 80h |
||
4078 | and ch, not 1 |
||
4079 | .cmn: |
||
4080 | call disasm_readrmop |
||
4081 | and byte [edi], 0 |
||
4082 | ret |
||
4083 | .l1: |
||
4084 | cmp al, 10h |
||
4085 | jae .l2 |
||
4086 | mov edx, 'fld ' |
||
4087 | cmp al, 8 |
||
4088 | jb @f |
||
4089 | mov edx, 'fxch' |
||
4090 | @@: |
||
4091 | xchg eax, edx |
||
4092 | stosd |
||
4093 | mov eax, ' ' |
||
4094 | stosd |
||
4095 | xchg eax, edx |
||
4096 | and al, 7 |
||
4097 | add al, '0' |
||
4098 | shl eax, 16 |
||
4099 | mov ax, 'st' |
||
4100 | stosd |
||
4101 | clc |
||
4102 | ret |
||
4103 | .l2: |
||
4104 | cmp al, 0x10 |
||
4105 | jnz @f |
||
4106 | mov esi, fpuD9_fnop |
||
4107 | jmp .l3 |
||
4108 | @@: |
||
4109 | sub al, 0x20 |
||
4110 | jb cerr |
||
4111 | lea esi, [fpuD9_2+eax*8] |
||
4112 | cmp byte [esi], 0 |
||
4113 | jz cerr |
||
4114 | .l3: |
||
4115 | movsd |
||
4116 | movsd |
||
4117 | and byte [edi-1], 0 |
||
4118 | ret |
||
4119 | |||
4120 | cDA: |
||
4121 | call disasm_get_byte |
||
4122 | cmp al, 0xC0 |
||
4123 | jae cunk |
||
4124 | dec [disasm_cur_pos] |
||
4125 | shr al, 3 |
||
4126 | and eax, 7 |
||
4127 | mov word [edi], 'fi' |
||
4128 | inc edi |
||
4129 | inc edi |
||
4130 | mov eax, [fpuD8+eax*4] |
||
4131 | stosd |
||
4132 | mov ax, ' ' |
||
4133 | stosw |
||
4134 | or ch, 80h |
||
4135 | and ch, not 1 ; 32-bit operand |
||
4136 | call disasm_readrmop |
||
4137 | and byte [edi], 0 |
||
4138 | ret |
||
4139 | |||
4140 | fpuDB dd 'ild ',0,'ist ','istp',0,'ld ',0,'stp ' |
||
4141 | cDB: |
||
4142 | call disasm_get_byte |
||
4143 | cmp al, 0xC0 |
||
4144 | jae .1 |
||
4145 | dec [disasm_cur_pos] |
||
4146 | shr al, 3 |
||
4147 | and eax, 7 |
||
4148 | xchg eax, edx |
||
4149 | mov eax, [fpuDB+edx*4] |
||
4150 | test eax, eax |
||
4151 | jz cerr |
||
4152 | mov byte [edi], 'f' |
||
4153 | inc edi |
||
4154 | stosd |
||
4155 | mov ax, ' ' |
||
4156 | stosw |
||
4157 | stosb |
||
4158 | or ch, 80h |
||
4159 | and ch, not 1 ; 32-bit operand |
||
4160 | cmp dl, 4 |
||
4161 | jb @f |
||
4162 | or ch, 20h |
||
4163 | and ch, not 80h ; 80-bit operand |
||
4164 | @@: |
||
4165 | call disasm_readrmop |
||
4166 | and byte [edi], 0 |
||
4167 | ret |
||
4168 | .1: |
||
4169 | cmp al, 0xE3 |
||
4170 | jnz cunk |
||
4171 | mov eax, 'fnin' |
||
4172 | stosd |
||
4173 | mov eax, 'it' |
||
4174 | stosd |
||
4175 | dec edi |
||
4176 | ret ; CF cleared |
||
4177 | |||
4178 | fpuDC dd 'add ','mul ',0,0,'subr','sub ','divr','div ' |
||
4179 | cDC: |
||
4180 | call disasm_get_byte |
||
4181 | cmp al, 0xC0 |
||
4182 | jae .1 |
||
4183 | dec [disasm_cur_pos] |
||
4184 | shr al, 3 |
||
4185 | and eax, 7 |
||
4186 | mov byte [edi], 'f' |
||
4187 | inc edi |
||
4188 | mov eax, [fpuD8+eax*4] |
||
4189 | stosd |
||
4190 | mov ax, ' ' |
||
4191 | stosw |
||
4192 | stosb |
||
4193 | or ch, 0A1h ; qword |
||
4194 | call disasm_readrmop |
||
4195 | and byte [edi], 0 |
||
4196 | ret |
||
4197 | .1: |
||
4198 | mov dl, al |
||
4199 | shr al, 3 |
||
4200 | and eax, 7 |
||
4201 | mov eax, [fpuDC+eax*4] |
||
4202 | test eax, eax |
||
4203 | jz cerr |
||
4204 | mov byte [edi], 'f' |
||
4205 | inc edi |
||
4206 | stosd |
||
4207 | mov eax, ' s' |
||
4208 | stosd |
||
4209 | mov al, 't' |
||
4210 | stosb |
||
4211 | and edx, 7 |
||
4212 | lea eax, [edx+'0'] |
||
4213 | stosb |
||
4214 | mov eax, ', st' |
||
4215 | stosd |
||
4216 | mov ax, '0' |
||
4217 | stosw |
||
4218 | ret ; CF cleared |
||
4219 | |||
4220 | fpuDD dd 'fld ',0,'fst ','fstp',0,0,0,0 |
||
4221 | fpuDD_2 dq 'ffree ',0,'fst ','fstp ','fucom ','fucomp ',0,0 |
||
4222 | cDD: |
||
4223 | call disasm_get_byte |
||
4224 | cmp al, 0xC0 |
||
4225 | jae .1 |
||
4226 | dec [disasm_cur_pos] |
||
4227 | shr al, 3 |
||
4228 | and eax, 7 |
||
4229 | xchg eax, edx |
||
4230 | mov eax, [fpuDD+edx*4] |
||
4231 | test eax, eax |
||
4232 | jz cunk |
||
4233 | stosd |
||
4234 | mov eax, ' ' |
||
4235 | stosd |
||
4236 | or ch, 0A1h ; qword operand |
||
4237 | call disasm_readrmop |
||
4238 | and byte [edi], 0 |
||
4239 | ret |
||
4240 | .1: |
||
4241 | push eax |
||
4242 | shr al, 3 |
||
4243 | and eax, 7 |
||
4244 | xchg eax, edx |
||
4245 | mov eax, dword [fpuDD_2+edx*8] |
||
4246 | test eax, eax |
||
4247 | jz cerr |
||
4248 | stosd |
||
4249 | mov eax, dword [fpuDD_2+4+edx*8] |
||
4250 | stosd |
||
4251 | mov ax, 'st' |
||
4252 | stosw |
||
4253 | pop eax |
||
4254 | and al, 7 |
||
4255 | add al, '0' |
||
4256 | stosb |
||
4257 | and byte [edi], 0 |
||
4258 | ret |
||
4259 | |||
4260 | fpuDE dd 'add ','mul ',0,0,'subr','sub ','divr','div ' |
||
4261 | cDE: |
||
4262 | call disasm_get_byte |
||
4263 | cmp al, 0xC0 |
||
4264 | jae .1 |
||
4265 | dec [disasm_cur_pos] |
||
4266 | mov word [edi], 'fi' |
||
4267 | inc edi |
||
4268 | inc edi |
||
4269 | shr al, 3 |
||
4270 | and eax, 7 |
||
4271 | mov eax, [fpuD8+eax*4] |
||
4272 | stosd |
||
4273 | mov ax, ' ' |
||
4274 | stosw |
||
4275 | or ch, 81h ; force 16-bit |
||
4276 | call disasm_readrmop |
||
4277 | and byte [edi], 0 |
||
4278 | ret |
||
4279 | .1: |
||
4280 | push eax |
||
4281 | shr al, 3 |
||
4282 | and eax, 7 |
||
4283 | xchg eax, edx |
||
4284 | mov eax, [fpuDE+edx*4] |
||
4285 | test eax, eax |
||
4286 | jz .fcompp |
||
4287 | mov byte [edi], 'f' |
||
4288 | inc edi |
||
4289 | stosd |
||
4290 | mov al, 'p' |
||
4291 | cmp byte [edi-1], ' ' |
||
4292 | jnz @f |
||
4293 | mov byte [edi-1], al |
||
4294 | mov al, ' ' |
||
4295 | @@: stosb |
||
4296 | mov eax, ' st' |
||
4297 | stosd |
||
4298 | pop eax |
||
4299 | and al, 7 |
||
4300 | add al, '0' |
||
4301 | stosb |
||
4302 | mov ax, ', ' |
||
4303 | stosw |
||
4304 | mov eax, 'st0' |
||
4305 | stosd |
||
4306 | ret ; CF cleared |
||
4307 | .fcompp: |
||
4308 | pop eax |
||
4309 | cmp al, 0xD9 |
||
4310 | jnz cerr |
||
4311 | mov eax, 'fcom' |
||
4312 | stosd |
||
4313 | mov ax, 'pp' |
||
4314 | stosw |
||
4315 | and byte [edi], 0 |
||
4316 | ret |
||
4317 | |||
4318 | fpuDF dd 'ild ',0,'ist ','istp','bld ','ild ','bstp','istp' |
||
4319 | |||
4320 | cDF: |
||
4321 | call disasm_get_byte |
||
4322 | cmp al, 0xC0 |
||
4323 | jae .1 |
||
4324 | dec [disasm_cur_pos] |
||
4325 | shr al, 3 |
||
4326 | and eax, 7 |
||
4327 | xchg eax, edx |
||
4328 | mov eax, [fpuDF+edx*4] |
||
4329 | test eax, eax |
||
4330 | jz cerr |
||
4331 | mov byte [edi], 'f' |
||
4332 | inc edi |
||
4333 | stosd |
||
4334 | mov ax, ' ' |
||
4335 | stosw |
||
4336 | stosb |
||
4337 | or ch, 81h ; force 16-bit operand |
||
4338 | cmp dl, 4 |
||
4339 | jb @f |
||
4340 | or ch, 20h |
||
4341 | test dl, 1 |
||
4342 | jnz @f |
||
4343 | or ch, 40h |
||
4344 | @@: |
||
4345 | call disasm_readrmop |
||
4346 | and byte [edi], 0 |
||
4347 | ret |
||
4348 | .1: |
||
4349 | cmp al, 0xE0 |
||
4350 | jnz cunk |
||
4351 | mov eax, 'fnst' |
||
4352 | stosd |
||
4353 | mov eax, 'sw ' |
||
4354 | stosd |
||
4355 | mov ax, 'ax' |
||
4356 | stosw |
||
4357 | and byte [edi], 0 |
||
4358 | ret |
||
4359 | |||
4360 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
4361 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; DATA ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
4362 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
4363 | |||
4364 | caption_str db 'Kolibri Debugger',0 |
||
4365 | caption_len = $ - caption_str |
||
4366 | begin_str db 'Kolibri Debugger, version 0.2',10 |
||
4367 | db 'Hint: type "help" for help, "quit" for quit' |
||
4368 | newline db 10,0 |
||
4369 | prompt db '> ',0 |
||
4370 | |||
4371 | help_groups: |
||
4372 | dd aControl, 0, 0, help_control_msg |
||
4373 | db 0 |
||
4374 | dd aData, 0, 0, help_data_msg |
||
4375 | db 0 |
||
4376 | dd aBreakpoints, 0, 0, help_breaks_msg |
||
4377 | db 0 |
||
4378 | ; flags field: |
||
4379 | ; &1: command may be called without parameters |
||
4380 | ; &2: command may be called with parameters |
||
4381 | ; &4: command may be called without loaded program |
||
4382 | ; &8: command may be called with loaded program |
||
4383 | commands: |
||
4384 | dd _aH, OnHelp, HelpSyntax, HelpHelp |
||
4385 | db 0Fh |
||
4386 | dd aHelp, OnHelp, HelpSyntax, HelpHelp |
||
4387 | db 0Fh |
||
4388 | dd aQuit, OnQuit, QuitSyntax, QuitHelp |
||
4389 | db 0Dh |
||
4390 | dd aLoad, OnLoad, LoadSyntax, LoadHelp |
||
4391 | db 6 |
||
4392 | dd aReload, OnReload, ReloadSyntax, ReloadHelp |
||
4393 | db 0Dh |
||
4394 | dd aTerminate, OnTerminate, TerminateSyntax, TerminateHelp |
||
4395 | db 9 |
||
4396 | dd aDetach, OnDetach, DetachSyntax, DetachHelp |
||
4397 | db 9 |
||
4398 | dd aSuspend, OnSuspend, SuspendSyntax, SuspendHelp |
||
4399 | db 9 |
||
4400 | dd aResume, OnResume, ResumeSyntax, ResumeHelp |
||
4401 | db 0Bh |
||
4402 | dd aStep, OnStep, StepSyntax, StepHelp |
||
4403 | db 9 |
||
4404 | dd aProceed, OnProceed, ProceedSyntax, ProceedHelp |
||
4405 | db 9 |
||
4406 | dd aCalc, OnCalc, CalcSyntax, CalcHelp |
||
4407 | db 0Eh |
||
4408 | dd aDump, OnDump, DumpSyntax, DumpHelp |
||
4409 | db 0Bh |
||
4410 | dd aUnassemble, OnUnassemble, UnassembleSyntax, UnassembleHelp |
||
4411 | db 0Bh |
||
4412 | dd aBp, OnBp, BpSyntax, BpHelp |
||
4413 | db 0Ah |
||
4414 | dd aBpm, OnBpmb, BpmSyntax, BpmHelp |
||
4415 | db 0Ah |
||
4416 | dd aBpmb, OnBpmb, BpmSyntax, BpmHelp |
||
4417 | db 0Ah |
||
4418 | dd aBpmw, OnBpmw, BpmSyntax, BpmHelp |
||
4419 | db 0Ah |
||
4420 | dd aBpmd, OnBpmd, BpmSyntax, BpmHelp |
||
4421 | db 0Ah |
||
4422 | dd aBl, OnBl, BlSyntax, BlHelp |
||
4423 | db 0Bh |
||
4424 | dd aBc, OnBc, BcSyntax, BcHelp |
||
4425 | db 0Ah |
||
4426 | dd aBd, OnBd, BdSyntax, BdHelp |
||
4427 | db 0Ah |
||
4428 | dd aBe, OnBe, BeSyntax, BeHelp |
||
4429 | db 0Ah |
||
4430 | dd aReg, OnReg, RSyntax, RHelp |
||
4431 | db 0Ah |
||
4432 | dd aUnpack, OnUnpack, UnpackSyntax, UnpackHelp |
||
4433 | db 9 |
||
4434 | dd 0 |
||
4435 | aHelp db 5,'help',0 |
||
4436 | _aH db 2,'h',0 |
||
4437 | HelpHelp db 'Help on specified function',10 |
||
4438 | HelpSyntax db 'Usage: h or help [group | command]',10,0 |
||
4439 | |||
4440 | help_msg db 'List of known command groups:',10 |
||
4441 | db '"help control" - display list of control commands',10 |
||
4442 | db '"help data" - display list of commands concerning data',10 |
||
4443 | db '"help breakpoints" - display list of commands concerning breakpoints',10,0 |
||
4444 | aControl db 8,'control',0 |
||
4445 | help_control_msg db 'List of control commands:',10 |
||
4446 | db 'h = help - help',10 |
||
4447 | db 'quit - exit from debugger',10 |
||
4448 | db 'load |
||
4449 | db 'reload - reload debugging program',10 |
||
4450 | db 'terminate - terminate loaded program',10 |
||
4451 | db 'detach - detach from debugging program',10 |
||
4452 | db 'stop - suspend execution of debugging program',10 |
||
4453 | db 'g [ |
||
4454 | db 's = |
||
4455 | db 'p = |
||
4456 | db 'unpack - try to bypass unpacker code (heuristic)',10,0 |
||
4457 | aData db 5,'data',0 |
||
4458 | help_data_msg db 'List of data commands:',10 |
||
4459 | db '? |
||
4460 | db 'd [ |
||
4461 | db 'u [ |
||
4462 | db 'r |
||
4463 | db 'r |
||
4464 | aBreakpoints db 12,'breakpoints',0 |
||
4465 | help_breaks_msg db 'List of breakpoints commands:',10 |
||
4466 | db 'bp |
||
4467 | db 'bpm[b|w|d] |
||
4468 | db 'bl [ |
||
4469 | db 'bc |
||
4470 | db 'bd |
||
4471 | db 'be |
||
4472 | |||
4473 | aQuit db 5,'quit',0 |
||
4474 | QuitHelp db 'Quit from debugger',10 |
||
4475 | QuitSyntax db 'Usage: quit',10,0 |
||
4476 | |||
4477 | aLoad db 5,'load',0 |
||
4478 | LoadHelp db 'Load program for debugging',10 |
||
4479 | LoadSyntax db 'Usage: load |
||
4480 | |||
4481 | aReload db 7,'reload',0 |
||
4482 | ReloadHelp db 'Reload debugging program (restart debug session)',10 |
||
4483 | ReloadSyntax db 'Usage: reload',10,0 |
||
4484 | |||
4485 | aTerminate db 10,'terminate',0 |
||
4486 | TerminateHelp db 'Terminate debugged program',10 |
||
4487 | TerminateSyntax db 'Usage: terminate',10,0 |
||
4488 | |||
4489 | aDetach db 7,'detach',0 |
||
4490 | DetachHelp db 'Detach from debugged program',10 |
||
4491 | DetachSyntax db 'Usage: detach',10,0 |
||
4492 | |||
4493 | aSuspend db 5,'stop',0 |
||
4494 | SuspendHelp db 'Suspend execution of debugged program',10 |
||
4495 | SuspendSyntax db 'Usage: stop',10,0 |
||
4496 | |||
4497 | aResume db 2,'g',0 |
||
4498 | ResumeHelp db 'Go (resume execution of debugged program)',10 |
||
4499 | ResumeSyntax db 'Usage: g',10 |
||
4500 | db ' or: g |
||
4501 | |||
4502 | aStep db 2,'s',0 |
||
4503 | StepHelp db 'Make step in debugged program',10 |
||
4504 | StepSyntax db 'Usage: s',10,0 |
||
4505 | |||
4506 | aProceed db 2,'p',0 |
||
4507 | ProceedHelp db 'Make wide step in debugged program (step over CALL, REPxx, LOOP)',10 |
||
4508 | ProceedSyntax db 'Usage: p',10,0 |
||
4509 | |||
4510 | aDump db 2,'d',0 |
||
4511 | DumpHelp db 'Dump data of debugged program',10 |
||
4512 | DumpSyntax db 'Usage: d |
||
4513 | db ' or: d - continue current dump',10,0 |
||
4514 | |||
4515 | aCalc db 2,'?',0 |
||
4516 | CalcHelp db 'Calculate value of expression',10 |
||
4517 | CalcSyntax db 'Usage: ? |
||
4518 | |||
4519 | aUnassemble db 2,'u',0 |
||
4520 | UnassembleHelp db 'Unassemble',10 |
||
4521 | UnassembleSyntax: |
||
4522 | db 'Usage: u |
||
4523 | db ' or: u - continue current unassemble screen',10,0 |
||
4524 | |||
4525 | aReg db 2,'r',0 |
||
4526 | RHelp db 'Set register value',10 |
||
4527 | RSyntax: |
||
4528 | db 'Usage: r |
||
4529 | db ' or: r |
||
4530 | |||
4531 | aBp db 3,'bp',0 |
||
4532 | BpHelp db 'set BreakPoint on execution',10 |
||
4533 | BpSyntax db 'Usage: bp |
||
4534 | |||
4535 | aBpm db 4,'bpm',0 |
||
4536 | aBpmb db 5,'bpmb',0 |
||
4537 | aBpmw db 5,'bpmw',0 |
||
4538 | aBpmd db 5,'bpmd',0 |
||
4539 | BpmHelp db 'set BreakPoint on Memory access',10 |
||
4540 | db 'Maximum 4 breakpoints of this type are allowed',10 |
||
4541 | db 'Note that for this breaks debugger is activated after access',10 |
||
4542 | BpmSyntax db 'Usage: bpmb [w] |
||
4543 | db ' bpmw [w] |
||
4544 | db ' bpmd [w] |
||
4545 | db ' bpm is synonym for bpmd',10 |
||
4546 | db '"w" means break only on writes (default is on read/write)',10,0 |
||
4547 | |||
4548 | aBl db 3,'bl',0 |
||
4549 | BlHelp db 'Breakpoint List',10 |
||
4550 | BlSyntax db 'Usage: bl - list all breakpoints',10 |
||
4551 | db ' bl |
||
4552 | |||
4553 | aBc db 3,'bc',0 |
||
4554 | BcHelp db 'Breakpoint Clear',10 |
||
4555 | BcSyntax db 'Usage: bc |
||
4556 | db 'Examples: bc 2',10 |
||
4557 | db ' bc 1 3 4 A',10,0 |
||
4558 | |||
4559 | aBd db 3,'bd',0 |
||
4560 | BdHelp db 'Breakpoint Disable',10 |
||
4561 | BdSyntax db 'Usage: bd |
||
4562 | db 'Examples: bd 2',10 |
||
4563 | db ' bd 1 3 4 A',10,0 |
||
4564 | |||
4565 | aBe db 3,'be',0 |
||
4566 | BeHelp db 'Breakpoint Enable',10 |
||
4567 | BeSyntax db 'Usage: be |
||
4568 | db 'Examples: be 2',10 |
||
4569 | db ' be 1 3 4 A',10,0 |
||
4570 | |||
4571 | aUnpack db 7,'unpack',0 |
||
4572 | UnpackHelp db 'Try to bypass unpacker code',10 |
||
4573 | UnpackSyntax db 'Usage: unpack',10,0 |
||
4574 | |||
4575 | aUnknownCommand db 'Unknown command',10,0 |
||
4576 | |||
4577 | load_err_msg db 'Cannot load program. ',0 |
||
4578 | unk_err_msg db 'Unknown error code -%4X',10,0 |
||
4579 | load_err_msgs: |
||
4580 | dd .1, 0, .3, 0, .5, .6, 0, 0, .9, .A, 0, 0, 0, 0, 0, 0 |
||
4581 | dd 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, .1E, .1F, .20 |
||
4582 | .1 db 'HD undefined.',10,0 |
||
4583 | .3 db 'Unknown FS.',10,0 |
||
4584 | .5 db 'File not found.',10,0 |
||
4585 | .6 db 'Unexpected EOF.',10,0 |
||
4586 | .9 db 'FAT table corrupted.',10,0 |
||
4587 | .A db 'Access denied.',10,0 |
||
4588 | .1E db 'No memory.',10,0 |
||
4589 | .1F db 'Not Menuet/Kolibri executable.',10,0 |
||
4590 | .20 db 'Too many processes.',10,0 |
||
4591 | load_succ_msg db 'Program loaded successfully! PID=%4X. Use "g" to run.',10,0 |
||
4592 | need_debuggee db 'No program loaded. Use "load" command.',10,0 |
||
4593 | aAlreadyLoaded db 'Program is already loaded. Use "terminate" or "detach" commands',10,0 |
||
4594 | terminated_msg db 'Program terminated.',10,0 |
||
4595 | aException db 'Debugged program caused an exception %2X. ' |
||
4596 | aSuspended db 'Suspended',10,0 |
||
4597 | aContinued db 'Continuing',10,0 |
||
4598 | aRunningErr db 'Program is running',10,0 |
||
4599 | read_mem_err db 'ERROR: cannot read process memory!!!',10,0 |
||
4600 | aBreakpointLimitExceeded db 'Breakpoint limit exceeded',10,0 |
||
4601 | aBreakErr db 'Cannot activate breakpoint, it will be disabled',10,0 |
||
4602 | aDuplicateBreakpoint db 'Duplicate breakpoint',10,0 |
||
4603 | aInvalidBreak db 'Invalid breakpoint number',10,0 |
||
4604 | OnBeErrMsg db 'There is already enabled breakpoint on this address',10,0 |
||
4605 | aBreakNum db '%2X: at %8X',0 |
||
4606 | aMemBreak1 db '%2X: on ',0 |
||
4607 | aMemBreak2 db 'read from ',0 |
||
4608 | aMemBreak3 db 'access of ',0 |
||
4609 | aMemBreak4 db 'byte',0 |
||
4610 | aMemBreak5 db 'word',0 |
||
4611 | aMemBreak6 db 'dword',0 |
||
4612 | aMemBreak7 db ' at %8X',0 |
||
4613 | aOneShot db ', one-shot',0 |
||
4614 | aDisabled db ', disabled',0 |
||
4615 | aBreakStop db 'Breakpoint #%2X',10,0 |
||
4616 | aUserBreak db 'int3 command at %8X',10,0 |
||
4617 | ;dbgmsg_str db 'Debug message for process %4X.',10,0 |
||
4618 | aInvAddr db 'Invalid address',10,0 |
||
4619 | NoPrgLoaded_str db 'No program loaded' |
||
4620 | NoPrgLoaded_len = $ - NoPrgLoaded_str |
||
4621 | aRunning db 'Running' |
||
4622 | aPaused db 'Paused' |
||
4623 | aPoint db 0x1C |
||
4624 | aMinus db '-' |
||
4625 | aColon db ':' |
||
4626 | aQuests db '??' |
||
4627 | aDots db '...' |
||
4628 | aParseError db 'Parse error',10,0 |
||
4629 | aDivByZero db 'Division by 0',10,0 |
||
4630 | calc_string db '%8X',10,0 |
||
4631 | aUnaligned db 'Unaligned address',10,0 |
||
4632 | aEnabledBreakErr db 'Enabled breakpoints are not allowed',10,0 |
||
4633 | aInterrupted db 'Interrupted',10,0 |
||
4634 | aUnpacked db 'Unpacked successful!',10,0 |
||
4635 | aPacked1 db 'Program is probably packed with ',0 |
||
4636 | aPacked2 db '.',10,'Try to unpack automatically? [y/n]: ',0 |
||
4637 | aY_str db 'y',10,0 |
||
4638 | aN_str db 'n',10,0 |
||
4639 | mxp_nrv_name db 'mxp_nrv',0 |
||
4640 | mxp_name db 'mxp',0 |
||
4641 | mxp_lzo_name db 'mxp_lzo',0 |
||
4642 | mtappack_name db 'mtappack',0 |
||
4643 | flags db 'CPAZSDO' |
||
4644 | flags_bits db 0,2,4,6,7,10,11 |
||
4645 | regs_strs: |
||
4646 | db 'EAX=' |
||
4647 | db 'EBX=' |
||
4648 | db 'ECX=' |
||
4649 | db 'EDX=' |
||
4650 | db 'ESI=' |
||
4651 | db 'EDI=' |
||
4652 | db 'EBP=' |
||
4653 | db 'ESP=' |
||
4654 | db 'EIP=' |
||
4655 | db 'EFLAGS=' |
||
4656 | |||
4657 | debuggee_pid dd 0 |
||
4658 | bSuspended db 0 |
||
4659 | bAfterGo db 0 |
||
4660 | temp_break dd 0 |
||
4661 | |||
4662 | disasm_table_1: |
||
4663 | dd cop22, cop22, cop22, cop22, cop21, cop21, cop0, cop0 ; 0x |
||
4664 | dd cop22, cop22, cop22, cop22, cop21, cop21, cop0, cF |
||
4665 | dd cop22, cop22, cop22, cop22, cop21, cop21, cop0, cop0 ; 1x |
||
4666 | dd cop22, cop22, cop22, cop22, cop21, cop21, cop0, cop0 |
||
4667 | dd cop22, cop22, cop22, cop22, cop21, cop21, cseges,cop0 ; 2x |
||
4668 | dd cop22, cop22, cop22, cop22, cop21, cop21, csegcs,cop0 |
||
4669 | dd cop22, cop22, cop22, cop22, cop21, cop21, csegss,cop0 ; 3x |
||
4670 | dd cop22, cop22, cop22, cop22, cop21, cop21, csegds,cop0 |
||
4671 | dd cinc1, cinc1, cinc1, cinc1, cinc1, cinc1, cinc1, cinc1 ; 4x |
||
4672 | dd cdec1, cdec1, cdec1, cdec1, cdec1, cdec1, cdec1, cdec1 |
||
4673 | dd cpush1,cpush1,cpush1,cpush1,cpush1,cpush1,cpush1,cpush1 ; 5x |
||
4674 | dd cpop1, cpop1, cpop1, cpop1, cpop1, cpop1, cpop1, cpop1 |
||
4675 | dd cop0, cop0, cunk, cunk, csegfs,cseggs,c66, c67 ; 6x |
||
4676 | dd cpush21,cimul1,cpush22,cimul1,cunk,cunk, cunk, cunk |
||
4677 | dd cjcc1, cjcc1, cjcc1, cjcc1, cjcc1, cjcc1, cjcc1, cjcc1 ; 7x |
||
4678 | dd cjcc1, cjcc1, cjcc1, cjcc1, cjcc1, cjcc1, cjcc1, cjcc1 |
||
4679 | dd cop23, cop23, cop23, cop23, cop22, cop22, cop22, cop22 ; 8x |
||
4680 | dd cop22, cop22, cop22, cop22, cunk, cop22, cunk, cpop2 |
||
4681 | dd cop0, cxchg1,cxchg1,cxchg1,cxchg1,cxchg1,cxchg1,cxchg1 ; 9x |
||
4682 | dd ccbw, ccwd, cunk, cop0, cop0, cop0, cop0, cop0 |
||
4683 | dd cmov3, cmov3, cmov3, cmov3, cop0, cop0, cop0, cop0 ; Ax |
||
4684 | dd cop21, cop21, cop0, cop0, cop0, cop0, cop0, cop0 |
||
4685 | dd cmov11,cmov11,cmov11,cmov11,cmov11,cmov11,cmov11,cmov11 ; Bx |
||
4686 | dd cmov12,cmov12,cmov12,cmov12,cmov12,cmov12,cmov12,cmov12 |
||
4687 | dd cshift1,cshift1,cret2,cop0, cunk, cunk, cmov2, cmov2 ; Cx |
||
4688 | dd center,cop0, cunk, cunk, cop0, cint, cunk, cunk |
||
4689 | dd cshift2,cshift2,cshift3,cshift3,caam,cunk,cunk, cxlat ; Dx |
||
4690 | dd cD8, cD9, cDA, cDB, cDC, cDD, cDE, cDF |
||
4691 | dd cloopnz,cloopz,cloop,cjcxz, cunk, cunk, cunk, cunk ; Ex |
||
4692 | dd ccall1,cjmp1, cunk, cjmp2, cunk, cunk, cunk, cunk |
||
4693 | dd clock, cunk, crepnz,crep, cunk, cop0, cop1, cop1 ; Fx |
||
4694 | dd cop0, cop0, cop0, cop0, cop0, cop0, cop1, cop1 |
||
4695 | |||
4696 | disasm_table_2: |
||
410 | diamond | 4697 | dd cunk, cunk, cunk, cunk, cunk, csyscall,cunk,cunk ; 0x |
205 | heavyiron | 4698 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk |
4699 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk ; 1x |
||
4700 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk |
||
4701 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk ; 2x |
||
4702 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk |
||
4703 | dd cunk, crdtsc,cunk, cunk, csysenter,cunk,cunk, cunk ; 3x |
||
4704 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk |
||
4705 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk ; 4x |
||
4706 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk |
||
4707 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk ; 5x |
||
4708 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk |
||
4709 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk ; 6x |
||
4710 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk |
||
4711 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk ; 7x |
||
4712 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk |
||
4713 | dd cjcc2, cjcc2, cjcc2, cjcc2, cjcc2, cjcc2, cjcc2, cjcc2 ; 8x |
||
4714 | dd cjcc2, cjcc2, cjcc2, cjcc2, cjcc2, cjcc2, cjcc2, cjcc2 |
||
4715 | dd csetcc,csetcc,csetcc,csetcc,csetcc,csetcc,csetcc,csetcc ; 9x |
||
4716 | dd csetcc,csetcc,csetcc,csetcc,csetcc,csetcc,csetcc,csetcc |
||
4717 | dd cunk, cunk, ccpuid,cbtx2, cshld, cshld, cunk, cunk ; Ax |
||
4718 | dd cunk, cunk, cunk, cbtx2, cshrd, cshrd, cunk, cop22 |
||
4719 | dd ccmpxchg,ccmpxchg,cunk,cbtx2,cunk, cunk, cmovzx,cmovzx ; Bx |
||
4720 | dd cunk, cunk, cbtx1, cbtx2, cbsf, cbsr, cmovsx,cmovsx |
||
4721 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, ccmpxchg8b ; Cx |
||
4722 | dd cbswap,cbswap,cbswap,cbswap,cbswap,cbswap,cbswap,cbswap |
||
4723 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk ; Dx |
||
4724 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk |
||
4725 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk ; Ex |
||
4726 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk |
||
4727 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk ; Fx |
||
4728 | dd cunk, cunk, cunk, cunk, cunk, cunk, cunk, cunk |
||
4729 | |||
4730 | reg_table: |
||
4731 | db 2,'al',0 |
||
4732 | db 2,'cl',1 |
||
4733 | db 2,'dl',2 |
||
4734 | db 2,'bl',3 |
||
4735 | db 2,'ah',4 |
||
4736 | db 2,'ch',5 |
||
4737 | db 2,'dh',6 |
||
4738 | db 2,'bh',7 |
||
4739 | db 2,'ax',8 |
||
4740 | db 2,'cx',9 |
||
4741 | db 2,'dx',10 |
||
4742 | db 2,'bx',11 |
||
4743 | db 2,'sp',12 |
||
4744 | db 2,'bp',13 |
||
4745 | db 2,'si',14 |
||
4746 | db 2,'di',15 |
||
4747 | db 3,'eax',16 |
||
4748 | db 3,'ecx',17 |
||
4749 | db 3,'edx',18 |
||
4750 | db 3,'ebx',19 |
||
4751 | db 3,'esp',20 |
||
4752 | db 3,'ebp',21 |
||
4753 | db 3,'esi',22 |
||
4754 | db 3,'edi',23 |
||
4755 | db 3,'eip',24 |
||
4756 | db 0 |
||
4757 | |||
4758 | fn70_load_block: |
||
4759 | dd 7 |
||
4760 | dd 1 |
||
4761 | load_params dd 0 |
||
4762 | dd 0 |
||
4763 | dd 0 |
||
4764 | i_end: |
||
4765 | loadname: |
||
4766 | db 0 |
||
4767 | rb 255 |
||
4768 | |||
4769 | prgname_ptr dd ? |
||
4770 | prgname_len dd ? |
||
4771 | |||
4772 | dbgwnd dd ? |
||
4773 | |||
4774 | messages rb messages_height*messages_width |
||
4775 | messages_pos dd ? |
||
4776 | |||
4777 | cmdline rb cmdline_width+1 |
||
4778 | cmdline_len dd ? |
||
4779 | cmdline_pos dd ? |
||
4780 | curarg dd ? |
||
4781 | |||
4782 | was_temp_break db ? |
||
4783 | |||
4784 | dbgbufsize dd ? |
||
4785 | dbgbuflen dd ? |
||
4786 | dbgbuf rb 256 |
||
4787 | |||
4788 | needzerostart: |
||
4789 | |||
4790 | context: |
||
4791 | _eip dd ? |
||
4792 | _eflags dd ? |
||
4793 | _eax dd ? |
||
4794 | _ecx dd ? |
||
4795 | _edx dd ? |
||
4796 | _ebx dd ? |
||
4797 | _esp dd ? |
||
4798 | _ebp dd ? |
||
4799 | _esi dd ? |
||
4800 | _edi dd ? |
||
4801 | |||
4802 | oldcontext rb $-context |
||
4803 | |||
4804 | dumpread dd ? |
||
4805 | dumppos dd ? |
||
4806 | dumpdata rb dump_height*10h |
||
4807 | |||
4808 | ; breakpoint structure: |
||
4809 | ; dword +0: address |
||
4810 | ; byte +4: flags |
||
4811 | ; bit 0: 1 <=> breakpoint valid |
||
4812 | ; bit 1: 1 <=> breakpoint disabled |
||
4813 | ; bit 2: 1 <=> one-shot breakpoint |
||
4814 | ; bit 3: 1 <=> DRx breakpoint |
||
4815 | ; byte +5: overwritten byte |
||
4816 | ; for DRx breaks: flags + (index shl 6) |
||
4817 | breakpoints_n = 256 |
||
4818 | breakpoints rb breakpoints_n*6 |
||
4819 | drx_break rd 4 |
||
4820 | |||
4821 | disasm_buf_size dd ? |
||
4822 | |||
4823 | bReload db ? |
||
4824 | |||
4825 | needzeroend: |
||
4826 | |||
4827 | disasm_buffer rb 256 |
||
4828 | disasm_start_pos dd ? |
||
4829 | disasm_cur_pos dd ? |
||
4830 | disasm_cur_str dd ? |
||
4831 | disasm_string rb 256 |
||
4832 | |||
4833 | i_param rb 256 |
||
4834 | |||
4835 | ; stack |
||
4836 | align 400h |
||
4837 | rb 400h |
||
4838 | used_mem:=>=>=>=> |