-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathLIBSTD.ASM
2762 lines (2711 loc) · 42.9 KB
/
LIBSTD.ASM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
; -----------------------------------------------------------
; Small C Compiler for TRDOS 386 (v2.0.9 and later)
; Erdogan Tan - 2024
; Beginning: 05/09/2024
; Last Update: 26/09/2024
; -----------------------------------------------------------
; Derived from 'libstd.asm' file of KolibriOS SCC source code
; 2024
;NOTE: The assembly source code will be more optimized later.
; For now (current version), semi-optimized source code
; will be preserved for comparison with existing C code.
;Erdogan Tan - 11/09/2024
; TRDOS 386 v2 modification
; Write string to standard output.
;
;puts(string) char *string;
;{while(*string)
; OS_putc(*string++);
; OS_putc('\n');
_puts:
PUSH EBP
MOV EBP, ESP
_puts_1:
LEA EAX, [EBP+8]
PUSH EAX ; (*string)
MOV EBX, [EAX] ; string's itself
MOVSX EAX, BYTE [EBX] ; char in string
POP EBX
OR EAX, EAX
JZ short _puts_2
INC DWORD [EBX] ; (*string++);
PUSH EAX
MOV CL, 1 ; 1 argument
CALL _OS_putc
;ADD ESP, 4
POP EAX
JMP short _puts_1
_puts_2:
POP EBP
RETN
_reverse:
PUSH EBP
MOV EBP, ESP
ADD ESP, -8
LEA EAX, [EBP-4]
PUSH EAX
LEA EAX, [EBP+8]
MOV EBX, EAX
MOV EAX, [EBX]
PUSH EAX
LEA EAX, [EBP+8]
MOV EBX, EAX
MOV EAX, [EBX]
PUSH EAX
MOV CL, 1
CALL _strlen
ADD ESP, 4
POP EBX
ADD EAX, EBX
MOV EBX, EAX
MOV EAX, 1
XCHG EAX, EBX
SUB EAX, EBX
POP EBX
MOV [EBX], EAX
_lib_3:
LEA EAX, [EBP+8]
MOV EBX, EAX
MOV EAX, [EBX]
PUSH EAX
LEA EAX, [EBP-4]
MOV EBX, EAX
MOV EAX, [EBX]
POP EBX
CALL __ult
OR EAX, EAX
JNE short _lib_5
JMP short _lib_4
_lib_5:
LEA EAX, [EBP-8]
PUSH EAX
LEA EAX, [EBP+8]
MOV EBX, EAX
MOV EAX, [EBX]
MOV EBX, EAX
MOVSX EAX,BYTE [EBX]
POP EBX
MOV [EBX], EAX
LEA EAX, [EBP+8]
MOV EBX, EAX
MOV EAX, [EBX]
INC EAX
MOV [EBX], EAX
DEC EAX
PUSH EAX
LEA EAX, [EBP-4]
MOV EBX, EAX
MOV EAX, [EBX]
MOV EBX, EAX
MOVSX EAX,BYTE [EBX]
POP EBX
MOV [EBX], AL
LEA EAX, [EBP-4]
MOV EBX, EAX
MOV EAX, [EBX]
DEC EAX
MOV [EBX], EAX
INC EAX
PUSH EAX
LEA EAX, [EBP-8]
MOV EBX, EAX
MOV EAX, [EBX]
POP EBX
MOV [EBX], AL
JMP short _lib_3
_lib_4:
MOV ESP, EBP
POP EBP
RETN
_strcpy: ; strcpy(s,t) char *s,*t;
PUSH EBP
MOV EBP, ESP
ADD ESP, -4 ; char *d;
LEA EBX, [EBP+12]
MOV EAX, [EBX] ; char *s
LEA EBX, [EBP-4]
MOV [EBX], EAX ; d=s;
_strcpy_1: ; while(*s++ =*t++);
LEA EBX, [EBP+12] ; *s
MOV EAX, [EBX]
INC DWORD [EBX] ; *s++
PUSH EAX
LEA EAX, [EBP+8] ; *t
MOV EBX, [EAX]
INC DWORD [EAX] ; *t++
MOVSX EAX, BYTE [EBX]
POP EBX
MOV [EBX], AL ; *s++ =*t++
OR EAX, EAX
JNZ short _strcpy_1
LEA EBX, [EBP-4] ; pointer to d
MOV EAX, [EBX] ; return (d);
MOV ESP, EBP
POP EBP
RETN
_strlen: ; strlen(s)
PUSH EBP
MOV EBP, ESP
ADD ESP, -4 ; char *ptr;
LEA EBX, [EBP+8]
MOV EAX, [EBX]
LEA EBX, [EBP-4]
MOV [EBX], EAX ; ptr=s;
_strlen_1:
;LEA EBX, [EBP-4] ; while(*ptr)
;MOV EAX, [EBX]
MOV EBX, EAX
MOVSX EAX, BYTE [EBX]
OR EAX, EAX
JZ short _strlen_2
;_lib_13:
LEA EBX, [EBP-4]
MOV EAX, [EBX]
INC EAX
MOV [EBX], EAX ; ++ptr;
JMP short _strlen_1
_strlen_2:
LEA EBX, [EBP-4]
MOV EAX, [EBX]
PUSH EAX
LEA EAX, [EBP+8]
MOV EBX, [EAX] ; s
POP EAX ; ptr
SUB EAX, EBX ; return (ptr-s);
MOV ESP, EBP
POP EBP
RETN
_toupper: ; toupper(c)
PUSH EBP
MOV EBP, ESP
LEA EAX, [EBP+8] ; if(c<='z' && c>='a')
MOV EBX, [EAX] ; int c;
MOV EAX, 122 ; 'z'
CALL __le
OR EAX, EAX
;;JZ short _lib_16
;JZ short _lib_15
JZ short _toupper_ok ; condition 1 = false
;_lib_18:
;LEA EAX, [EBP+8]
;MOV EBX, [EAX]
MOV EAX, 97 ; 'a'
CALL __ge
OR EAX, EAX
;;JZ short _lib_16
;JZ short _lib_15
JZ short _toupper_ok ; condition 2 = false
;_lib_19:
;MOV EAX, 1
;eax = 1
;;JMP short _lib_17
;JMP short _lib_20
;_lib_16:
;XOR EAX, EAX
;_lib_17:
;OR EAX, EAX
;JZ short _lib_15
;_lib_20:
;LEA EAX, [EBP+8] ; condition 1 & 2 = true
;MOV EBX, [EAX] ; int c
MOV EAX, 32
XCHG EAX, EBX
SUB EAX, EBX ; return (c-32);
POP EBP
RETN
;_lib_15:
_toupper_ok:
;LEA EBX, [EBP+8]
;MOV EAX, [EBX]
;ebx = int c
XCHG EAX, EBX ; return (c);
POP EBP
RETN
_atoi:
PUSH EBP
MOV EBP, ESP
ADD ESP, -8
_lib_22:
LEA EAX, [EBP+8]
MOV EBX, EAX
MOV EAX, [EBX]
MOV EBX, EAX
MOVSX EAX,BYTE [EBX]
PUSH EAX
MOV CL, 1
CALL _isspace
ADD ESP, 4
OR EAX, EAX
JNE short _lib_24
JMP short _lib_23
_lib_24:
LEA EAX, [EBP+8]
MOV EBX, EAX
MOV EAX, [EBX]
INC EAX
MOV [EBX], EAX
JMP short _lib_22
_lib_23:
LEA EAX, [EBP-4]
MOV EBX, EAX
MOV EAX, 1
MOV [EBX], EAX
LEA EAX, [EBP+8]
MOV EBX, EAX
MOV EAX, [EBX]
MOV EBX, EAX
MOVSX EAX,BYTE [EBX]
JMP short _lib_27
_lib_28:
LEA EAX, [EBP-4]
MOV EBX, EAX
MOV EAX, -1
MOV [EBX], EAX
_lib_29:
LEA EAX, [EBP+8]
MOV EBX, EAX
MOV EAX, [EBX]
INC EAX
MOV [EBX], EAX
JMP short _lib_26
_lib_27:
CALL __switch
DD _lib_28
DD 45
DD _lib_29
DD 43
DD 0
_lib_26:
LEA EAX, [EBP-8]
MOV EBX, EAX
XOR EAX, EAX
MOV [EBX], EAX
_lib_30:
LEA EAX, [EBP+8]
MOV EBX, EAX
MOV EAX, [EBX]
MOV EBX, EAX
MOVSX EAX,BYTE [EBX]
PUSH EAX
MOV CL, 1
CALL _isdigit
ADD ESP, 4
OR EAX, EAX
JNE short _lib_32
JMP short _lib_31
_lib_32:
LEA EAX, [EBP-8]
PUSH EAX
LEA EAX, [EBP-8]
MOV EBX, EAX
MOV EAX, [EBX]
MOV EBX, 10
IMUL EBX
PUSH EAX
LEA EAX, [EBP+8]
MOV EBX, EAX
MOV EAX, [EBX]
INC EAX
MOV [EBX], EAX
DEC EAX
MOV EBX, EAX
MOVSX EAX,BYTE [EBX]
POP EBX
ADD EAX, EBX
MOV EBX, EAX
MOV EAX, 48
XCHG EAX, EBX
SUB EAX, EBX
POP EBX
MOV [EBX], EAX
JMP short _lib_30
_lib_31:
LEA EAX, [EBP-4]
MOV EBX, EAX
MOV EAX, [EBX]
PUSH EAX
LEA EAX, [EBP-8]
MOV EBX, EAX
MOV EAX, [EBX]
POP EBX
IMUL EBX
MOV ESP, EBP
POP EBP
RETN
_atoib:
PUSH EBP
MOV EBP, ESP
ADD ESP, -8
LEA EAX, [EBP-4]
MOV EBX, EAX
XOR EAX, EAX
MOV [EBX], EAX
_lib_34:
LEA EAX, [EBP+12]
MOV EBX, EAX
MOV EAX, [EBX]
MOV EBX, EAX
MOVSX EAX, BYTE [EBX]
PUSH EAX
MOV CL, 1
CALL _isspace
ADD ESP, 4
OR EAX, EAX
JNE short _lib_36
JMP short _lib_35
_lib_36:
LEA EAX, [EBP+12]
MOV EBX, EAX
MOV EAX, [EBX]
INC EAX
MOV [EBX], EAX
JMP short _lib_34
_lib_35:
_lib_37:
LEA EAX, [EBP-8]
PUSH EAX
LEA EAX, [EBP+12]
MOV EBX, EAX
MOV EAX, [EBX]
INC EAX
MOV [EBX], EAX
DEC EAX
MOV EBX, EAX
MOVSX EAX, BYTE [EBX]
MOV EBX, 127
AND EAX, EBX
POP EBX
MOV [EBX], EAX
MOV EBX, EAX
MOV EAX, 48
CALL __ge
OR EAX, EAX
JNE short _lib_39
JMP _lib_38
_lib_39:
LEA EAX, [EBP-8]
MOV EBX, EAX
MOV EAX, [EBX]
MOV EBX, EAX
MOV EAX, 97
CALL __ge
OR EAX, EAX
JNE short _lib_41
JMP short _lib_40
_lib_41:
LEA EAX, [EBP-8]
PUSH EAX
MOV EBX, EAX
MOV EAX, [EBX]
MOV EBX, EAX
MOV EAX, 87
XCHG EAX, EBX
SUB EAX, EBX
POP EBX
MOV [EBX], EAX
JMP short _lib_42
_lib_40:
LEA EAX, [EBP-8]
MOV EBX, EAX
MOV EAX, [EBX]
MOV EBX, EAX
MOV EAX, 65
CALL __ge
OR EAX, EAX
JNE short _lib_44
JMP short _lib_43
_lib_44:
LEA EAX, [EBP-8]
PUSH EAX
MOV EBX, EAX
MOV EAX, [EBX]
MOV EBX, EAX
MOV EAX, 55
XCHG EAX, EBX
SUB EAX, EBX
POP EBX
MOV [EBX], EAX
JMP short _lib_45
_lib_43:
LEA EAX, [EBP-8]
PUSH EAX
MOV EBX, EAX
MOV EAX, [EBX]
MOV EBX, EAX
MOV EAX, 48
XCHG EAX, EBX
SUB EAX, EBX
POP EBX
MOV [EBX], EAX
_lib_45:
_lib_42:
LEA EAX, [EBP-8]
MOV EBX, EAX
MOV EAX, [EBX]
PUSH EAX
LEA EAX, [EBP+8]
MOV EBX, EAX
MOV EAX, [EBX]
POP EBX
CALL __ge
OR EAX, EAX
JNE short _lib_47
JMP short _lib_46
_lib_47:
JMP short _lib_38
_lib_46:
LEA EAX, [EBP-4]
PUSH EAX
LEA EAX, [EBP+8]
MOV EBX, EAX
MOV EAX, [EBX]
PUSH EAX
LEA EAX, [EBP-4]
MOV EBX, EAX
MOV EAX, [EBX]
POP EBX
IMUL EBX
PUSH EAX
LEA EAX, [EBP-8]
MOV EBX, EAX
MOV EAX, [EBX]
POP EBX
ADD EAX, EBX
POP EBX
MOV [EBX], EAX
JMP _lib_37
_lib_38:
LEA EAX, [EBP-4]
MOV EBX, EAX
MOV EAX, [EBX]
MOV ESP, EBP
POP EBP
RETN
_fgets: ; fgets(str,size,fd)
PUSH EBP
MOV EBP, ESP ; return (_gets(str,size,fd,1));
LEA EBX, [EBP+16]
MOV EAX, [EBX]
PUSH EAX
LEA EBX, [EBP+12]
MOV EAX, [EBX]
PUSH EAX
LEA EBX, [EBP+8]
MOV EAX, [EBX]
PUSH EAX
MOV EAX, 1
PUSH EAX
MOV CL, 4
CALL __gets
ADD ESP, 16
POP EBP
RETN
_gets: ; gets(str)
PUSH EBP
MOV EBP, ESP
ADD ESP, -12 ; size,backup,*next
MOV DWORD [EBP-4], 32767 ; size
LEA EAX, [EBP-12]
PUSH EAX ; *next
LEA EBX, [EBP+8] ; *str
MOV EAX, [EBX] ; str
POP EBX
MOV [EBX], EAX ; next=str;
_gets_1:
LEA EBX, [EBP-4] ; *size
MOV EAX, [EBX] ; ebx = *size, eax = size
DEC EAX
MOV [EBX], EAX
OR EAX,EAX
JNZ short _gets_2 ; while(--size>0)
JMP _gets_13
_gets_2:
LEA EBX, [EBP-12] ; (*next=OS_getc())
MOV EAX, [EBX]
PUSH EAX ; *next
MOV CL,0 ; no arguments
CALL _OS_getc
POP EBX ; *next = *str
MOV [EBX], AL ; *str=OS_getc()
JMP _gets_12 ; {switch (*next=OS_getc())
_gets_3:
LEA EAX, [EBP-12] ; **next
MOV EBX, [EAX] ; *next (address)
XOR EAX, EAX ; NULL
MOV [EBX], AL ; *next = NULL (value)
PUSH EBX
LEA EAX, [EBP+8] ; *str
MOV EBX, [EAX] ; eax = *str, ebx = str
POP EAX ; next
CALL __eq ; if(next==str) return (NULL);
OR EAX, EAX
JZ short _gets_4 ; false (eax = 0)
; true (eax = 1)
; return (NULL);
XOR EBX, EBX ; NULL
_gets_4: ; return (str);
MOV EAX, EBX
MOV ESP, EBP
POP EBP
RETN
_gets_5: ; case '\n'
LEA EAX, [EBP-12] ; **next
MOV EBX, [EAX] ; *next (address)
XOR EAX, EAX ; NULL
MOV [EBX],EAX ; *next=NULL; (value)
LEA EBX, [EBP+8] ; *str (ebx = str address)
MOV EAX, [EBX] ; return (str);
MOV ESP, EBP
POP EBP
RETN
_gets_6: ; case '\b'
LEA EBX, [EBP-12] ; *next
MOV EAX, [EBX] ; ebx = *next, eax = next
PUSH EAX
LEA EBX, [EBP+8] ; *str
MOV EAX, [EBX] ; ebx = *str, eax = str
POP EBX ; next (*next, string address/pos)
CALL __ugt ; if(next>str) backup=1;
;OR EAX,EAX
;JNZ short _lib_63 ; true (eax=1)
;JMP short _lib_62 ; false (eax=0)
;_lib_63: ; backup=1;
;LEA EBX, [EBP-8] ; *backup
;MOV EAX, 1 ; ebx = *backup (pointer to backup val)
;MOV [EBX], EAX ; backup=1
;;JMP short _lib_64
;JMP short _gets_8
;_lib_62: ; else backup=0;
LEA EBX, [EBP-8] ; ebx = *backup
;XOR EAX, EAX ; 0
MOV [EBX], EAX ; backup = 1 or backup = 0
;_lib_64:
JMP short _gets_8 ; goto backout;
_gets_7: ; case '\r' ; WIPE
LEA EAX, [EBP-8] ; *backup ; backup=next-str;
PUSH EAX
LEA EBX, [EBP-12] ; *next
;MOV EAX, [EBX] ; ebx = *next, eax = next
;PUSH EAX
PUSH DWORD [EBX]
LEA EAX, [EBP+8] ; *str
MOV EBX, [EAX] ; eax = *str, ebx = str
POP EAX ; next
SUB EAX, EBX ; next-str
POP EBX ; *backup
MOV [EBX], EAX ; ebx = *backup, eax = backup (value)
; backup=next-str;
_gets_8: ; backout:
;JMP short _lib_67 ; if(0/*iscons(fd)*/)
LEA EBX, [EBP-4] ; *size
;MOV EAX, [EBX]
;INC EAX
;MOV [EBX], EAX
INC DWORD [EBX] ; ++size;
_gets_9: ; while(backup--)
LEA EBX, [EBP-8] ; *backup
MOV EAX, [EBX]
DEC EAX
MOV [EBX], EAX
INC EAX
;OR EAX, EAX
JNZ short _gets_10
;JMP short _lib_69
JMP _gets_1
_gets_10: ; puts("\b \b");
MOV EAX, _gets_14 ; "\b \b"
PUSH EAX
CALL _puts
POP EAX ; add esp, 4
LEA EBX, [EBP-12] ; *next
;MOV EAX, [EBX] ; ebx = *next (address)
;DEC EAX
;MOV [EBX], EAX
DEC DWORD [EBX] ; --next
LEA EBX, [EBP-4] ; *size
;MOV EAX, [EBX] ; ebx = *size
;INC EAX
;MOV [EBX], EAX
INC DWORD [EBX] ; ++size
JMP short _gets_9
;_lib_69:
;JMP _gets_1
;_lib_67:
_gets_11: ; default:
LEA EBX, [EBP-12] ; **next
;MOV EAX, [EBX] ; ebx = *next
;INC EAX ; ++next
;MOV [EBX], EAX
INC DWORD [EBX]
;JMP short _lib_55
jmp _gets_1
_gets_12: ; {switch (*next=OS_getc())
CALL __switch
DD _gets_3 ; case EOF
DD -1
DD _gets_5 ; case '\n'
DD 10
DD _gets_6 ; case '\b' ; case RUB
DD 8
DD _gets_7 ; case '\r' ; case WIPE
DD 24
DD 0 ; case default
JMP short _gets_11 ; default: ++next;
;_lib_55:
;JMP _gets_1
_gets_13:
LEA EAX, [EBP-12] ; **next
MOV EBX, [EAX] ; ebx = *next, eax = **next
XOR EAX, EAX ; NULL
MOV [EBX], AL ; *next = NULL;
LEA EBX, [EBP+8] ; **str
MOV EAX, [EBX] ; ebx = *str, eax = str
MOV ESP, EBP ; return (str);
POP EBP
RETN
_gets_14: DB 8,32,8,0 ; "\b \b"
__gets: ; _gets(str,size,fd,nl)
PUSH EBP
MOV EBP, ESP
ADD ESP, -8 ; int backup; char *next;
LEA EBX, [EBP+20]
MOV EAX, [EBX]
LEA EBX, [EBP-8]
MOV [EBX], EAX ; next=str;
_lib_51: ; while(--size>0)
LEA EBX, [EBP+16]
MOV EAX, [EBX]
DEC EAX
MOV [EBX], EAX
OR EAX, EAX
JNZ short _lib_53
_lib_52:
LEA EAX, [EBP-8]
MOV EBX, [EAX]
XOR EAX, EAX ; 0
MOV [EBX], AL ; *next = NULL;
LEA EBX, [EBP+20]
MOV EAX, [EBX] ; return (str);
MOV ESP, EBP
POP EBP
RETN
_lib_53:
LEA EBX, [EBP-8]
MOV EAX, [EBX]
PUSH EAX ; next
LEA EBX, [EBP+12] ; fd
MOV EAX, [EBX]
PUSH EAX
MOV CL,1
CALL _OS_fgetc
ADD ESP, 4
POP EBX
MOV [EBX], AL ; *next=fgetc(fd)
JMP short _lib_56 ; jump to {switch (*next=fgetc(fd))
_lib_57: ; {case EOF:
LEA EAX, [EBP-8]
MOV EBX, [EAX]
XOR EAX, EAX
MOV [EBX], AL ; *next=NULL;
;LEA EAX, [EBP-8]
;MOV EBX, [EAX]
PUSH EBX
LEA EBX, [EBP+20]
MOV EAX, [EBX]
POP EBX
CALL __eq ; if(next==str) return (NULL);
OR EAX, EAX
JZ short _lib_58
;_lib_59:
XOR EAX, EAX ; return (NULL);
;MOV ESP, EBP
;POP EBP
;RETN
JMP short _lib_59
_lib_58:
LEA EBX, [EBP+20]
MOV EAX, [EBX] ; return (str);
_lib_59:
MOV ESP, EBP
POP EBP
RETN
_lib_60: ; case '\n':
LEA EBX, [EBP-8]
MOV EAX, [EBX]
PUSH EAX
LEA EBX, [EBP+8] ; nl
MOV EAX, [EBX]
POP EBX
ADD EBX, EAX
XOR EAX, EAX ; 0
MOV [EBX], EAX ; *(next+nl)=NULL;
LEA EBX, [EBP+20]
MOV EAX, [EBX] ; return (str);
;MOV ESP, EBP
;POP EBP
;RETN
JMP short _lib_59
_lib_61: ; case RUB:
LEA EBX, [EBP-8]
MOV EAX, [EBX]
PUSH EAX
LEA EBX, [EBP+20]
MOV EAX, [EBX] ; str
POP EBX
CALL __ugt ; if(next>str) backup=1;
;OR EAX, EAX
;JZ short _lib_62 ; else
;_lib_63:
LEA EBX, [EBP-4]
;MOV EAX, 1
;eax = 1
;MOV [EBX], EAX
;JMP short _lib_64
;_lib_62: ; else backup=0;
;LEA EBX,[EBP-4]
;XOR EAX,EAX
;eax = 0
MOV [EBX],EAX
;_lib_64:
JMP short _lib_65 ; goto backout;
_lib_66: ; case WIPE: /* \r */
LEA EBX, [EBP-8]
MOV EAX, [EBX]
PUSH EAX ; next
LEA EAX, [EBP+20]
MOV EBX, [EAX] ; str
POP EAX
SUB EAX, EBX ; next-str;
LEA EBX, [EBP-4]
MOV [EBX], EAX ; backup=next-str;
_lib_64:
_lib_65:
; backout: (if (0))
_lib_67: ; continue;
_lib_71: ; ++next;
LEA EBX, [EBP-8]
MOV EAX, [EBX]
INC EAX
MOV [EBX], EAX
;JMP _lib_55
JMP _lib_51
_lib_56: ; {switch (*next=fgetc(fd))
CALL __switch
DD _lib_57 ; {case EOF:
DD -1
DD _lib_60 ; case '\n':
DD 10
DD _lib_61 ; case RUB:
DD 8
DD _lib_66 ; case WIPE: /* \r */
DD 24
DD 0
JMP short _lib_71 ; default:
;_lib_55:
;JMP _lib_51
_fprintf:
PUSH EBP
MOV EBP, ESP
ADD ESP, -4
LEA EAX, [EBP-4]
PUSH EAX
CALL _CCARGC
PUSH EAX
LEA EAX, [EBP+8]
POP EBX
SHL EBX, 1
SHL EBX, 1
ADD EAX, EBX
POP EBX
MOV [EBX], EAX
LEA EAX, [EBP-4]
MOV EBX, EAX
MOV EAX, [EBX]
DEC EAX
DEC EAX
DEC EAX
DEC EAX
MOV [EBX], EAX
MOV EBX, EAX
MOV EAX, [EBX]
PUSH EAX
LEA EAX, [EBP-4]
MOV EBX, EAX
MOV EAX, [EBX]
DEC EAX
DEC EAX
DEC EAX
DEC EAX
MOV [EBX], EAX
PUSH EAX
MOV CL, 2
CALL __print
ADD ESP, 8
MOV ESP, EBP
POP EBP
RETN
__print:
PUSH EBP
MOV EBP,ESP
ADD ESP,-56
LEA EAX,[EBP-16]
MOV EBX,EAX
XOR EAX,EAX
MOV [EBX],EAX
LEA EAX,[EBP-32]
PUSH EAX
LEA EAX,[EBP+8]
MOV EBX,EAX
MOV EAX, [EBX]
DEC EAX
DEC EAX
DEC EAX
DEC EAX
MOV [EBX],EAX
INC EAX
INC EAX
INC EAX
INC EAX
MOV EBX,EAX
MOV EAX, [EBX]
POP EBX
MOV [EBX],EAX
_lib_75:
LEA EAX,[EBP-32]
MOV EBX,EAX
MOV EAX, [EBX]
MOV EBX,EAX
MOVSX EAX,BYTE [EBX]
OR EAX,EAX
JNE _lib_77
JMP _lib_76
_lib_77:
LEA EAX,[EBP-32]
MOV EBX,EAX
MOV EAX, [EBX]
MOV EBX,EAX
MOVSX EAX,BYTE [EBX]
MOV EBX,EAX
MOV EAX,37
CALL __ne
OR EAX,EAX
JNE _lib_79
JMP _lib_78
_lib_79:
LEA EAX,[EBP-32]
MOV EBX,EAX
MOV EAX, [EBX]
INC EAX
MOV [EBX],EAX
DEC EAX
MOV EBX,EAX
MOVSX EAX,BYTE [EBX]
PUSH EAX
LEA EAX,[EBP+12]
MOV EBX,EAX
MOV EAX, [EBX]
PUSH EAX
MOV CL,2
CALL _OS_fputc
ADD ESP,8
LEA EAX,[EBP-16]
MOV EBX,EAX
MOV EAX, [EBX]
INC EAX
MOV [EBX],EAX
JMP _lib_75
JMP _lib_80
_lib_78:
LEA EAX,[EBP-32]
MOV EBX,EAX
MOV EAX, [EBX]
INC EAX
MOV [EBX],EAX
_lib_80:
LEA EAX,[EBP-32]
MOV EBX,EAX
MOV EAX, [EBX]
MOV EBX,EAX
MOVSX EAX,BYTE [EBX]
MOV EBX,EAX
MOV EAX,37
CALL __eq
OR EAX,EAX
JNE _lib_82
JMP _lib_81
_lib_82:
LEA EAX,[EBP-32]
MOV EBX,EAX
MOV EAX, [EBX]
INC EAX
MOV [EBX],EAX
DEC EAX
MOV EBX,EAX
MOVSX EAX,BYTE [EBX]
PUSH EAX
LEA EAX,[EBP+12]
MOV EBX,EAX
MOV EAX, [EBX]
PUSH EAX
MOV CL,2
CALL _OS_fputc
ADD ESP,8
LEA EAX,[EBP-16]
MOV EBX,EAX
MOV EAX, [EBX]
INC EAX
MOV [EBX],EAX
JMP _lib_75
_lib_81:
LEA EAX,[EBP-32]
MOV EBX,EAX
MOV EAX, [EBX]
MOV EBX,EAX
MOVSX EAX,BYTE [EBX]
MOV EBX,EAX
MOV EAX,45
CALL __eq
OR EAX,EAX
JNE _lib_84
JMP _lib_83
_lib_84:
LEA EAX,[EBP-8]
MOV EBX,EAX
MOV EAX,1
MOV [EBX],EAX
LEA EAX,[EBP-32]
MOV EBX,EAX
MOV EAX, [EBX]
INC EAX
MOV [EBX],EAX
JMP _lib_85
_lib_83: