-
Notifications
You must be signed in to change notification settings - Fork 1
/
hello.s
1301 lines (1284 loc) · 39.1 KB
/
hello.s
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
## ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.globl Bool..vtable
Bool..vtable: ## virtual function table for Bool
.quad string1
.quad Bool..new
.quad Object.abort
.quad Object.copy
.quad Object.type_name
## ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.globl IO..vtable
IO..vtable: ## virtual function table for IO
.quad string2
.quad IO..new
.quad Object.abort
.quad Object.copy
.quad Object.type_name
.quad IO.in_int
.quad IO.in_string
.quad IO.out_int
.quad IO.out_string
## ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.globl Int..vtable
Int..vtable: ## virtual function table for Int
.quad string3
.quad Int..new
.quad Object.abort
.quad Object.copy
.quad Object.type_name
## ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.globl Main..vtable
Main..vtable: ## virtual function table for Main
.quad string4
.quad Main..new
.quad Object.abort
.quad Object.copy
.quad Object.type_name
.quad IO.in_int
.quad IO.in_string
.quad IO.out_int
.quad IO.out_string
.quad Main.main
## ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.globl Object..vtable
Object..vtable: ## virtual function table for Object
.quad string5
.quad Object..new
.quad Object.abort
.quad Object.copy
.quad Object.type_name
## ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.globl String..vtable
String..vtable: ## virtual function table for String
.quad string6
.quad String..new
.quad Object.abort
.quad Object.copy
.quad Object.type_name
.quad String.concat
.quad String.length
.quad String.substr
## ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.globl Bool..new
Bool..new: ## constructor for Bool
pushq %rbp
movq %rsp, %rbp
## stack room for temporaries: 1
movq $8, %r14
subq %r14, %rsp
## return address handling
movq $4, %r12
movq $8, %rsi
movq %r12, %rdi
call calloc
movq %rax, %r12
## store class tag, object size and vtable pointer
movq $0, %r14
movq %r14, 0(%r12)
movq $4, %r14
movq %r14, 8(%r12)
movq $Bool..vtable, %r14
movq %r14, 16(%r12)
## initialize attributes
## self[3] holds field (raw content) (Int)
movq $0, %r13
movq %r13, 24(%r12)
## self[3] (raw content) initializer -- none
movq %r12, %r13
## return address handling
movq %rbp, %rsp
popq %rbp
ret
## ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.globl IO..new
IO..new: ## constructor for IO
pushq %rbp
movq %rsp, %rbp
## stack room for temporaries: 1
movq $8, %r14
subq %r14, %rsp
## return address handling
movq $3, %r12
movq $8, %rsi
movq %r12, %rdi
call calloc
movq %rax, %r12
## store class tag, object size and vtable pointer
movq $10, %r14
movq %r14, 0(%r12)
movq $3, %r14
movq %r14, 8(%r12)
movq $IO..vtable, %r14
movq %r14, 16(%r12)
movq %r12, %r13
## return address handling
movq %rbp, %rsp
popq %rbp
ret
## ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.globl Int..new
Int..new: ## constructor for Int
pushq %rbp
movq %rsp, %rbp
## stack room for temporaries: 1
movq $8, %r14
subq %r14, %rsp
## return address handling
movq $4, %r12
movq $8, %rsi
movq %r12, %rdi
call calloc
movq %rax, %r12
## store class tag, object size and vtable pointer
movq $1, %r14
movq %r14, 0(%r12)
movq $4, %r14
movq %r14, 8(%r12)
movq $Int..vtable, %r14
movq %r14, 16(%r12)
## initialize attributes
## self[3] holds field (raw content) (Int)
movq $0, %r13
movq %r13, 24(%r12)
## self[3] (raw content) initializer -- none
movq %r12, %r13
## return address handling
movq %rbp, %rsp
popq %rbp
ret
## ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.globl Main..new
Main..new: ## constructor for Main
pushq %rbp
movq %rsp, %rbp
## stack room for temporaries: 1
movq $8, %r14
subq %r14, %rsp
## return address handling
movq $3, %r12
movq $8, %rsi
movq %r12, %rdi
call calloc
movq %rax, %r12
## store class tag, object size and vtable pointer
movq $11, %r14
movq %r14, 0(%r12)
movq $3, %r14
movq %r14, 8(%r12)
movq $Main..vtable, %r14
movq %r14, 16(%r12)
movq %r12, %r13
## return address handling
movq %rbp, %rsp
popq %rbp
ret
## ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.globl Object..new
Object..new: ## constructor for Object
pushq %rbp
movq %rsp, %rbp
## stack room for temporaries: 1
movq $8, %r14
subq %r14, %rsp
## return address handling
movq $3, %r12
movq $8, %rsi
movq %r12, %rdi
call calloc
movq %rax, %r12
## store class tag, object size and vtable pointer
movq $12, %r14
movq %r14, 0(%r12)
movq $3, %r14
movq %r14, 8(%r12)
movq $Object..vtable, %r14
movq %r14, 16(%r12)
movq %r12, %r13
## return address handling
movq %rbp, %rsp
popq %rbp
ret
## ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.globl String..new
String..new: ## constructor for String
pushq %rbp
movq %rsp, %rbp
## stack room for temporaries: 1
movq $8, %r14
subq %r14, %rsp
## return address handling
movq $4, %r12
movq $8, %rsi
movq %r12, %rdi
call calloc
movq %rax, %r12
## store class tag, object size and vtable pointer
movq $3, %r14
movq %r14, 0(%r12)
movq $4, %r14
movq %r14, 8(%r12)
movq $String..vtable, %r14
movq %r14, 16(%r12)
## initialize attributes
## self[3] holds field (raw content) (String)
movq $the.empty.string, %r13
movq %r13, 24(%r12)
## self[3] (raw content) initializer -- none
movq %r12, %r13
## return address handling
movq %rbp, %rsp
popq %rbp
ret
## ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.globl Object.abort
Object.abort: ## method definition
pushq %rbp
movq %rsp, %rbp
movq 16(%rbp), %r12
## stack room for temporaries: 1
movq $8, %r14
subq %r14, %rsp
## return address handling
## method body begins
movq $string7, %r13
movq %r13, %rdi
call cooloutstr
movl $0, %edi
call exit
.globl Object.abort.end
Object.abort.end: ## method body ends
## return address handling
movq %rbp, %rsp
popq %rbp
ret
## ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.globl Object.copy
Object.copy: ## method definition
pushq %rbp
movq %rsp, %rbp
movq 16(%rbp), %r12
## stack room for temporaries: 1
movq $8, %r14
subq %r14, %rsp
## return address handling
## method body begins
movq 8(%r12), %r14
movq $8, %rsi
movq %r14, %rdi
call calloc
movq %rax, %r13
pushq %r13
.globl l1
l1: cmpq $0, %r14
je l2
movq 0(%r12), %r15
movq %r15, 0(%r13)
movq $8, %r15
addq %r15, %r12
addq %r15, %r13
movq $1, %r15
subq %r15, %r14
jmp l1
.globl l2
l2: ## done with Object.copy loop
popq %r13
.globl Object.copy.end
Object.copy.end: ## method body ends
## return address handling
movq %rbp, %rsp
popq %rbp
ret
## ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.globl Object.type_name
Object.type_name: ## method definition
pushq %rbp
movq %rsp, %rbp
movq 16(%rbp), %r12
## stack room for temporaries: 1
movq $8, %r14
subq %r14, %rsp
## return address handling
## method body begins
## new String
pushq %rbp
pushq %r12
movq $String..new, %r14
call *%r14
popq %r12
popq %rbp
## obtain vtable for self object
movq 16(%r12), %r14
## look up type name at offset 0 in vtable
movq 0(%r14), %r14
movq %r14, 24(%r13)
.globl Object.type_name.end
Object.type_name.end: ## method body ends
## return address handling
movq %rbp, %rsp
popq %rbp
ret
## ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.globl IO.in_int
IO.in_int: ## method definition
pushq %rbp
movq %rsp, %rbp
movq 16(%rbp), %r12
## stack room for temporaries: 1
movq $8, %r14
subq %r14, %rsp
## return address handling
## method body begins
## new Int
pushq %rbp
pushq %r12
movq $Int..new, %r14
call *%r14
popq %r12
popq %rbp
movq %r13, %r14
movl $1, %esi
movl $4096, %edi
call calloc
pushq %rax
movq %rax, %rdi
movq $4096, %rsi
movq stdin(%rip), %rdx
call fgets
popq %rdi
movl $0, %eax
pushq %rax
movq %rsp, %rdx
movq $percent.ld, %rsi
call sscanf
popq %rax
movq $0, %rsi
cmpq $2147483647, %rax
cmovg %rsi, %rax
cmpq $-2147483648, %rax
cmovl %rsi, %rax
movq %rax, %r13
movq %r13, 24(%r14)
movq %r14, %r13
.globl IO.in_int.end
IO.in_int.end: ## method body ends
## return address handling
movq %rbp, %rsp
popq %rbp
ret
## ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.globl IO.in_string
IO.in_string: ## method definition
pushq %rbp
movq %rsp, %rbp
movq 16(%rbp), %r12
## stack room for temporaries: 1
movq $8, %r14
subq %r14, %rsp
## return address handling
## method body begins
## new String
pushq %rbp
pushq %r12
movq $String..new, %r14
call *%r14
popq %r12
popq %rbp
movq %r13, %r14
call coolgetstr
movq %rax, %r13
movq %r13, 24(%r14)
movq %r14, %r13
.globl IO.in_string.end
IO.in_string.end: ## method body ends
## return address handling
movq %rbp, %rsp
popq %rbp
ret
## ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.globl IO.out_int
IO.out_int: ## method definition
pushq %rbp
movq %rsp, %rbp
movq 16(%rbp), %r12
## stack room for temporaries: 1
movq $8, %r14
subq %r14, %rsp
## return address handling
## fp[3] holds argument x (Int)
## method body begins
movq 24(%rbp), %r14
movq 24(%r14), %r13
movq $percent.d, %rdi
movl %r13d, %eax
cdqe
movq %rax, %rsi
movl $0, %eax
call printf
movq %r12, %r13
.globl IO.out_int.end
IO.out_int.end: ## method body ends
## return address handling
movq %rbp, %rsp
popq %rbp
ret
## ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.globl IO.out_string
IO.out_string: ## method definition
pushq %rbp
movq %rsp, %rbp
movq 16(%rbp), %r12
## stack room for temporaries: 1
movq $8, %r14
subq %r14, %rsp
## return address handling
## fp[3] holds argument x (String)
## method body begins
movq 24(%rbp), %r14
movq 24(%r14), %r13
movq %r13, %rdi
call cooloutstr
movq %r12, %r13
.globl IO.out_string.end
IO.out_string.end: ## method body ends
## return address handling
movq %rbp, %rsp
popq %rbp
ret
## ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.globl Main.main
Main.main: ## method definition
pushq %rbp
movq %rsp, %rbp
movq 16(%rbp), %r12
## stack room for temporaries: 1
movq $8, %r14
subq %r14, %rsp
## return address handling
## method body begins
## out_string(...)
pushq %r12
pushq %rbp
## new String
pushq %rbp
pushq %r12
movq $String..new, %r14
call *%r14
popq %r12
popq %rbp
## string8 holds "Hello, world!\n"
movq $string8, %r14
movq %r14, 24(%r13)
pushq %r13
pushq %r12
## obtain vtable for self object of type Main
movq 16(%r12), %r14
## look up out_string() at offset 8 in vtable
movq 64(%r14), %r14
call *%r14
addq $16, %rsp
popq %rbp
popq %r12
.globl Main.main.end
Main.main.end: ## method body ends
## return address handling
movq %rbp, %rsp
popq %rbp
ret
## ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.globl String.concat
String.concat: ## method definition
pushq %rbp
movq %rsp, %rbp
movq 16(%rbp), %r12
## stack room for temporaries: 1
movq $8, %r14
subq %r14, %rsp
## return address handling
## fp[3] holds argument s (String)
## method body begins
## new String
pushq %rbp
pushq %r12
movq $String..new, %r14
call *%r14
popq %r12
popq %rbp
movq %r13, %r15
movq 24(%rbp), %r14
movq 24(%r14), %r14
movq 24(%r12), %r13
movq %r13, %rdi
movq %r14, %rsi
call coolstrcat
movq %rax, %r13
movq %r13, 24(%r15)
movq %r15, %r13
.globl String.concat.end
String.concat.end: ## method body ends
## return address handling
movq %rbp, %rsp
popq %rbp
ret
## ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.globl String.length
String.length: ## method definition
pushq %rbp
movq %rsp, %rbp
movq 16(%rbp), %r12
## stack room for temporaries: 1
movq $8, %r14
subq %r14, %rsp
## return address handling
## method body begins
## new Int
pushq %rbp
pushq %r12
movq $Int..new, %r14
call *%r14
popq %r12
popq %rbp
movq %r13, %r14
movq 24(%r12), %r13
movq %r13, %rdi
movl $0, %eax
call coolstrlen
movq %rax, %r13
movq %r13, 24(%r14)
movq %r14, %r13
.globl String.length.end
String.length.end: ## method body ends
## return address handling
movq %rbp, %rsp
popq %rbp
ret
## ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.globl String.substr
String.substr: ## method definition
pushq %rbp
movq %rsp, %rbp
movq 16(%rbp), %r12
## stack room for temporaries: 1
movq $8, %r14
subq %r14, %rsp
## return address handling
## fp[4] holds argument i (Int)
## fp[3] holds argument l (Int)
## method body begins
## new String
pushq %rbp
pushq %r12
movq $String..new, %r14
call *%r14
popq %r12
popq %rbp
movq %r13, %r15
movq 24(%rbp), %r14
movq 24(%r14), %r14
movq 32(%rbp), %r13
movq 24(%r13), %r13
movq 24(%r12), %r12
movq %r12, %rdi
movq %r13, %rsi
movq %r14, %rdx
call coolsubstr
movq %rax, %r13
cmpq $0, %r13
jne l3
movq $string9, %r13
movq %r13, %rdi
call cooloutstr
movl $0, %edi
call exit
.globl l3
l3: movq %r13, 24(%r15)
movq %r15, %r13
.globl String.substr.end
String.substr.end: ## method body ends
## return address handling
movq %rbp, %rsp
popq %rbp
ret
## ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
## global string constants
.globl the.empty.string
the.empty.string: # ""
.byte 0
.globl percent.d
percent.d: # "%ld"
.byte 37 # '%'
.byte 108 # 'l'
.byte 100 # 'd'
.byte 0
.globl percent.ld
percent.ld: # " %ld"
.byte 32 # ' '
.byte 37 # '%'
.byte 108 # 'l'
.byte 100 # 'd'
.byte 0
.globl string1
string1: # "Bool"
.byte 66 # 'B'
.byte 111 # 'o'
.byte 111 # 'o'
.byte 108 # 'l'
.byte 0
.globl string2
string2: # "IO"
.byte 73 # 'I'
.byte 79 # 'O'
.byte 0
.globl string3
string3: # "Int"
.byte 73 # 'I'
.byte 110 # 'n'
.byte 116 # 't'
.byte 0
.globl string4
string4: # "Main"
.byte 77 # 'M'
.byte 97 # 'a'
.byte 105 # 'i'
.byte 110 # 'n'
.byte 0
.globl string5
string5: # "Object"
.byte 79 # 'O'
.byte 98 # 'b'
.byte 106 # 'j'
.byte 101 # 'e'
.byte 99 # 'c'
.byte 116 # 't'
.byte 0
.globl string6
string6: # "String"
.byte 83 # 'S'
.byte 116 # 't'
.byte 114 # 'r'
.byte 105 # 'i'
.byte 110 # 'n'
.byte 103 # 'g'
.byte 0
.globl string7
string7: # "abort\\n"
.byte 97 # 'a'
.byte 98 # 'b'
.byte 111 # 'o'
.byte 114 # 'r'
.byte 116 # 't'
.byte 92 # '\\'
.byte 110 # 'n'
.byte 0
.globl string8
string8: # "Hello, world!\\n"
.byte 72 # 'H'
.byte 101 # 'e'
.byte 108 # 'l'
.byte 108 # 'l'
.byte 111 # 'o'
.byte 44 # ','
.byte 32 # ' '
.byte 119 # 'w'
.byte 111 # 'o'
.byte 114 # 'r'
.byte 108 # 'l'
.byte 100 # 'd'
.byte 33 # '!'
.byte 92 # '\\'
.byte 110 # 'n'
.byte 0
.globl string9
string9: # "ERROR: 0: Exception: String.substr out of range\\n"
.byte 69 # 'E'
.byte 82 # 'R'
.byte 82 # 'R'
.byte 79 # 'O'
.byte 82 # 'R'
.byte 58 # ':'
.byte 32 # ' '
.byte 48 # '0'
.byte 58 # ':'
.byte 32 # ' '
.byte 69 # 'E'
.byte 120 # 'x'
.byte 99 # 'c'
.byte 101 # 'e'
.byte 112 # 'p'
.byte 116 # 't'
.byte 105 # 'i'
.byte 111 # 'o'
.byte 110 # 'n'
.byte 58 # ':'
.byte 32 # ' '
.byte 83 # 'S'
.byte 116 # 't'
.byte 114 # 'r'
.byte 105 # 'i'
.byte 110 # 'n'
.byte 103 # 'g'
.byte 46 # '.'
.byte 115 # 's'
.byte 117 # 'u'
.byte 98 # 'b'
.byte 115 # 's'
.byte 116 # 't'
.byte 114 # 'r'
.byte 32 # ' '
.byte 111 # 'o'
.byte 117 # 'u'
.byte 116 # 't'
.byte 32 # ' '
.byte 111 # 'o'
.byte 102 # 'f'
.byte 32 # ' '
.byte 114 # 'r'
.byte 97 # 'a'
.byte 110 # 'n'
.byte 103 # 'g'
.byte 101 # 'e'
.byte 92 # '\\'
.byte 110 # 'n'
.byte 0
## ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.globl eq_handler
eq_handler: ## helper function for =
pushq %rbp
movq %rsp, %rbp
movq 32(%rbp), %r12
## return address handling
movq 32(%rbp), %r13
movq 24(%rbp), %r14
cmpq %r14, %r13
je eq_true
movq $0, %r15
cmpq %r15, %r13
je eq_false
cmpq %r15, %r14
je eq_false
movq 0(%r13), %r13
movq 0(%r14), %r14
## place the sum of the type tags in r1
addq %r14, %r13
movq $0, %r14
cmpq %r14, %r13
je eq_bool
movq $2, %r14
cmpq %r14, %r13
je eq_int
movq $6, %r14
cmpq %r14, %r13
je eq_string
## otherwise, use pointer comparison
movq 32(%rbp), %r13
movq 24(%rbp), %r14
cmpq %r14, %r13
je eq_true
.globl eq_false
eq_false: ## not equal
## new Bool
pushq %rbp
pushq %r12
movq $Bool..new, %r14
call *%r14
popq %r12
popq %rbp
jmp eq_end
.globl eq_true
eq_true: ## equal
## new Bool
pushq %rbp
pushq %r12
movq $Bool..new, %r14
call *%r14
popq %r12
popq %rbp
movq $1, %r14
movq %r14, 24(%r13)
jmp eq_end
.globl eq_bool
eq_bool: ## two Bools
.globl eq_int
eq_int: ## two Ints
movq 32(%rbp), %r13
movq 24(%rbp), %r14
movq 24(%r13), %r13
movq 24(%r14), %r14
cmpq %r14, %r13
je eq_true
jmp eq_false
.globl eq_string
eq_string: ## two Strings
movq 32(%rbp), %r13
movq 24(%rbp), %r14
movq 24(%r13), %r13
movq 24(%r14), %r14
movq %r13, %rdi
movq %r14, %rsi
call strcmp
cmp $0, %eax
je eq_true
jmp eq_false
.globl eq_end
eq_end: ## return address handling
movq %rbp, %rsp
popq %rbp
ret
## ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.globl le_handler
le_handler: ## helper function for <=
pushq %rbp
movq %rsp, %rbp
movq 32(%rbp), %r12
## return address handling
movq 32(%rbp), %r13
movq 24(%rbp), %r14
cmpq %r14, %r13
je le_true
movq $0, %r15
cmpq %r15, %r13
je le_false
cmpq %r15, %r14
je le_false
movq 0(%r13), %r13
movq 0(%r14), %r14
## place the sum of the type tags in r1
addq %r14, %r13
movq $0, %r14
cmpq %r14, %r13
je le_bool
movq $2, %r14
cmpq %r14, %r13
je le_int
movq $6, %r14
cmpq %r14, %r13
je le_string
## for non-primitives, equality is our only hope
movq 32(%rbp), %r13
movq 24(%rbp), %r14
cmpq %r14, %r13
je le_true
.globl le_false
le_false: ## not less-than-or-equal
## new Bool
pushq %rbp
pushq %r12
movq $Bool..new, %r14
call *%r14
popq %r12
popq %rbp
jmp le_end
.globl le_true
le_true: ## less-than-or-equal
## new Bool
pushq %rbp
pushq %r12
movq $Bool..new, %r14
call *%r14
popq %r12
popq %rbp
movq $1, %r14
movq %r14, 24(%r13)
jmp le_end
.globl le_bool
le_bool: ## two Bools
.globl le_int
le_int: ## two Ints
movq 32(%rbp), %r13
movq 24(%rbp), %r14
movq 24(%r13), %r13
movq 24(%r14), %r14
cmpl %r14d, %r13d
jle le_true
jmp le_false
.globl le_string
le_string: ## two Strings
movq 32(%rbp), %r13
movq 24(%rbp), %r14
movq 24(%r13), %r13
movq 24(%r14), %r14
movq %r13, %rdi
movq %r14, %rsi
call strcmp
cmp $0, %eax
jle le_true
jmp le_false
.globl le_end
le_end: ## return address handling
movq %rbp, %rsp
popq %rbp
ret
## ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
.globl lt_handler
lt_handler: ## helper function for <
pushq %rbp
movq %rsp, %rbp
movq 32(%rbp), %r12
## return address handling
movq 32(%rbp), %r13
movq 24(%rbp), %r14
movq $0, %r15
cmpq %r15, %r13
je lt_false
cmpq %r15, %r14
je lt_false
movq 0(%r13), %r13
movq 0(%r14), %r14
## place the sum of the type tags in r1
addq %r14, %r13
movq $0, %r14
cmpq %r14, %r13
je lt_bool
movq $2, %r14
cmpq %r14, %r13
je lt_int
movq $6, %r14
cmpq %r14, %r13
je lt_string
## for non-primitives, < is always false
.globl lt_false
lt_false: ## not less than
## new Bool
pushq %rbp
pushq %r12
movq $Bool..new, %r14
call *%r14
popq %r12
popq %rbp
jmp lt_end
.globl lt_true
lt_true: ## less than
## new Bool
pushq %rbp
pushq %r12
movq $Bool..new, %r14
call *%r14
popq %r12
popq %rbp
movq $1, %r14
movq %r14, 24(%r13)
jmp lt_end
.globl lt_bool
lt_bool: ## two Bools
.globl lt_int
lt_int: ## two Ints
movq 32(%rbp), %r13
movq 24(%rbp), %r14
movq 24(%r13), %r13
movq 24(%r14), %r14
cmpl %r14d, %r13d
jl lt_true
jmp lt_false
.globl lt_string
lt_string: ## two Strings
movq 32(%rbp), %r13
movq 24(%rbp), %r14
movq 24(%r13), %r13
movq 24(%r14), %r14
movq %r13, %rdi
movq %r14, %rsi
call strcmp
cmp $0, %eax
jl lt_true
jmp lt_false
.globl lt_end
lt_end: ## return address handling
movq %rbp, %rsp