summaryrefslogtreecommitdiff
path: root/.gdbinit
blob: 49380951b8aed523534d0dc3ccfcbc8c6aa6b5a5 (plain)
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
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
set startup-with-shell off

define hook-run
  set $color_type = 0
  set $color_highlite = 0
  set $color_end = 0
end

define ruby_gdb_init
  if !$color_type
    set $color_type = "\033[31m"
  end
  if !$color_highlite
    set $color_highlite = "\033[36m"
  end
  if !$color_end
    set $color_end = "\033[m"
  end
  if ruby_dummy_gdb_enums.special_consts
  end
end

# set prompt \033[36m(gdb)\033[m\040

define rp
  ruby_gdb_init
  if (VALUE)($arg0) & RUBY_FIXNUM_FLAG
    printf "FIXNUM: %ld\n", (long)($arg0) >> 1
  else
  if ((VALUE)($arg0) & ~(~(VALUE)0<<RUBY_SPECIAL_SHIFT)) == RUBY_SYMBOL_FLAG
    set $id = (($arg0) >> RUBY_SPECIAL_SHIFT)
    printf "%sSYMBOL%s: ", $color_type, $color_end
    rp_id $id
  else
  if ($arg0) == RUBY_Qfalse
    echo false\n
  else
  if ($arg0) == RUBY_Qtrue
    echo true\n
  else
  if ($arg0) == RUBY_Qnil
    echo nil\n
  else
  if ($arg0) == RUBY_Qundef
    echo undef\n
  else
  if (VALUE)($arg0) & RUBY_IMMEDIATE_MASK
    if ((VALUE)($arg0) & RUBY_FLONUM_MASK) == RUBY_FLONUM_FLAG
      printf "%sFLONUM%s: %g\n", $color_type, $color_end, (double)rb_float_value($arg0)
    else
      echo immediate\n
    end
  else
  set $flags = ((struct RBasic*)($arg0))->flags
  if ($flags & RUBY_FL_PROMOTED) == RUBY_FL_PROMOTED
    printf "[PROMOTED] "
  end
  if ($flags & RUBY_T_MASK) == RUBY_T_NONE
    printf "%sT_NONE%s: ", $color_type, $color_end
    print (struct RBasic *)($arg0)
  else
  if ($flags & RUBY_T_MASK) == RUBY_T_NIL
    printf "%sT_NIL%s: ", $color_type, $color_end
    print (struct RBasic *)($arg0)
  else
  if ($flags & RUBY_T_MASK) == RUBY_T_OBJECT
    printf "%sT_OBJECT%s: ", $color_type, $color_end
    print ((struct RObject *)($arg0))->basic
    if ($flags & ROBJECT_EMBED)
      print/x *((VALUE*)((struct RObject*)($arg0))->as.ary) @ (ROBJECT_EMBED_LEN_MAX+0)
    else
      print (((struct RObject *)($arg0))->as.heap)
      if (((struct RObject*)($arg0))->as.heap.numiv) > 0
        print/x *(((struct RObject*)($arg0))->as.heap.ivptr) @ (((struct RObject*)($arg0))->as.heap.numiv)
      end
    end
  else
  if ($flags & RUBY_T_MASK) == RUBY_T_CLASS
    printf "%sT_CLASS%s%s: ", $color_type, ($flags & RUBY_FL_SINGLETON) ? "*" : "", $color_end
    rp_class $arg0
  else
  if ($flags & RUBY_T_MASK) == RUBY_T_ICLASS
    printf "%sT_ICLASS%s: ", $color_type, $color_end
    rp_class $arg0
  else
  if ($flags & RUBY_T_MASK) == RUBY_T_MODULE
    printf "%sT_MODULE%s: ", $color_type, $color_end
    rp_class $arg0
  else
  if ($flags & RUBY_T_MASK) == RUBY_T_FLOAT
    printf "%sT_FLOAT%s: %.16g ", $color_type, $color_end, (((struct RFloat*)($arg0))->float_value)
    print (struct RFloat *)($arg0)
  else
  if ($flags & RUBY_T_MASK) == RUBY_T_STRING
    printf "%sT_STRING%s: ", $color_type, $color_end
    rp_string $arg0 $flags
  else
  if ($flags & RUBY_T_MASK) == RUBY_T_REGEXP
    set $regsrc = ((struct RRegexp*)($arg0))->src
    set $rsflags = ((struct RBasic*)$regsrc)->flags
    printf "%sT_REGEXP%s: ", $color_type, $color_end
    set $len = ($rsflags & RUBY_FL_USER1) ? \
            ((struct RString*)$regsrc)->as.heap.len : \
            (($rsflags & (RUBY_FL_USER2|RUBY_FL_USER3|RUBY_FL_USER4|RUBY_FL_USER5|RUBY_FL_USER6)) >> RUBY_FL_USHIFT+2)
    set print address off
    output *(char *)(($rsflags & RUBY_FL_USER1) ? \
	    ((struct RString*)$regsrc)->as.heap.ptr : \
	    ((struct RString*)$regsrc)->as.ary) @ $len
    set print address on
    printf " len:%ld ", $len
    if $flags & RUBY_FL_USER6
      printf "(none) "
    end
    if $flags & RUBY_FL_USER5
      printf "(literal) "
    end
    if $flags & RUBY_FL_USER4
      printf "(fixed) "
    end
    printf "encoding:%d ", ($flags & RUBY_ENCODING_MASK) >> RUBY_ENCODING_SHIFT
    print (struct RRegexp *)($arg0)
  else
  if ($flags & RUBY_T_MASK) == RUBY_T_ARRAY
    if ($flags & RUBY_FL_USER1)
      set $len = (($flags & (RUBY_FL_USER3|RUBY_FL_USER4)) >> (RUBY_FL_USHIFT+3))
      printf "%sT_ARRAY%s: len=%ld ", $color_type, $color_end, $len
      printf "(embed) "
      if ($len == 0)
	printf "{(empty)} "
      else
	print/x *((VALUE*)((struct RArray*)($arg0))->as.ary) @ $len
	printf " "
      end
    else
      set $len = ((struct RArray*)($arg0))->as.heap.len
      printf "%sT_ARRAY%s: len=%ld ", $color_type, $color_end, $len
      if ($flags & RUBY_FL_USER2)
	printf "(shared) shared="
	output/x ((struct RArray*)($arg0))->as.heap.aux.shared_root
	printf " "
      else
	printf "(ownership) capa=%ld ", ((struct RArray*)($arg0))->as.heap.aux.capa
      end
      if ($len == 0)
	printf "{(empty)} "
      else
	print/x *((VALUE*)((struct RArray*)($arg0))->as.heap.ptr) @ $len
	printf " "
      end
    end
    print (struct RArray *)($arg0)
  else
  if ($flags & RUBY_T_MASK) == RUBY_T_FIXNUM
    printf "%sT_FIXNUM%s: ", $color_type, $color_end
    print (struct RBasic *)($arg0)
  else
  if ($flags & RUBY_T_MASK) == RUBY_T_HASH
    printf "%sT_HASH%s: ", $color_type, $color_end,
    if (((struct RHash *)($arg0))->basic.flags & RHASH_ST_TABLE_FLAG)
      printf "st len=%ld ", ((struct RHash *)($arg0))->as.st->num_entries
    else
      printf "li len=%ld bound=%ld ", \
        ((((struct RHash *)($arg0))->basic.flags & RHASH_AR_TABLE_SIZE_MASK) >> RHASH_AR_TABLE_SIZE_SHIFT), \
        ((((struct RHash *)($arg0))->basic.flags & RHASH_AR_TABLE_BOUND_MASK) >> RHASH_AR_TABLE_BOUND_SHIFT)
    end
    print (struct RHash *)($arg0)
  else
  if ($flags & RUBY_T_MASK) == RUBY_T_STRUCT
    set $len = (($flags & (RUBY_FL_USER1|RUBY_FL_USER2)) ? \
       ($flags & (RUBY_FL_USER1|RUBY_FL_USER2)) >> (RUBY_FL_USHIFT+1) : \
       ((struct RStruct *)($arg0))->as.heap.len)
    printf "%sT_STRUCT%s: len=%ld ", $color_type, $color_end, $len
    print (struct RStruct *)($arg0)
    output/x *(($flags & (RUBY_FL_USER1|RUBY_FL_USER2)) ? \
              ((struct RStruct *)($arg0))->as.ary : \
              ((struct RStruct *)($arg0))->as.heap.ptr) @ $len
  else
  if ($flags & RUBY_T_MASK) == RUBY_T_BIGNUM
    rp_bignum $arg0
  else
  if ($flags & RUBY_T_MASK) == RUBY_T_RATIONAL
    printf "%sT_RATIONAL%s: ", $color_type, $color_end
    print (struct RRational *)($arg0)
  else
  if ($flags & RUBY_T_MASK) == RUBY_T_COMPLEX
    printf "%sT_COMPLEX%s: ", $color_type, $color_end
    print (struct RComplex *)($arg0)
  else
  if ($flags & RUBY_T_MASK) == RUBY_T_FILE
    printf "%sT_FILE%s: ", $color_type, $color_end
    print (struct RFile *)($arg0)
    output *((struct RFile *)($arg0))->fptr
    printf "\n"
  else
  if ($flags & RUBY_T_MASK) == RUBY_T_TRUE
    printf "%sT_TRUE%s: ", $color_type, $color_end
    print (struct RBasic *)($arg0)
  else
  if ($flags & RUBY_T_MASK) == RUBY_T_FALSE
    printf "%sT_FALSE%s: ", $color_type, $color_end
    print (struct RBasic *)($arg0)
  else
  if ($flags & RUBY_T_MASK) == RUBY_T_DATA
    if ((struct RTypedData *)($arg0))->typed_flag == 1
      printf "%sT_DATA%s(%s): ", $color_type, $color_end, ((struct RTypedData *)($arg0))->type->wrap_struct_name
      print (struct RTypedData *)($arg0)
    else
      printf "%sT_DATA%s: ", $color_type, $color_end
      print (struct RData *)($arg0)
    end
  else
  if ($flags & RUBY_T_MASK) == RUBY_T_MATCH
    printf "%sT_MATCH%s: ", $color_type, $color_end
    print (struct RMatch *)($arg0)
  else
  if ($flags & RUBY_T_MASK) == RUBY_T_SYMBOL
    printf "%sT_SYMBOL%s: ", $color_type, $color_end
    print (struct RSymbol *)($arg0)
    set $id_type = ((struct RSymbol *)($arg0))->id & RUBY_ID_SCOPE_MASK
    if $id_type == RUBY_ID_LOCAL
      printf "l"
    else
    if $id_type == RUBY_ID_INSTANCE
      printf "i"
    else
    if $id_type == RUBY_ID_GLOBAL
      printf "G"
    else
    if $id_type == RUBY_ID_ATTRSET
      printf "a"
    else
    if $id_type == RUBY_ID_CONST
      printf "C"
    else
    if $id_type == RUBY_ID_CLASS
      printf "c"
    else
      printf "j"
    end
    end
    end
    end
    end
    end
    set $id_fstr = ((struct RSymbol *)($arg0))->fstr
    rp_string $id_fstr
  else
  if ($flags & RUBY_T_MASK) == RUBY_T_UNDEF
    printf "%sT_UNDEF%s: ", $color_type, $color_end
    print (struct RBasic *)($arg0)
  else
  if ($flags & RUBY_T_MASK) == RUBY_T_IMEMO
    printf "%sT_IMEMO%s(", $color_type, $color_end
    output (enum imemo_type)(($flags>>RUBY_FL_USHIFT)&RUBY_IMEMO_MASK)
    printf "): "
    rp_imemo $arg0
  else
  if ($flags & RUBY_T_MASK) == RUBY_T_NODE
    printf "%sT_NODE%s(", $color_type, $color_end
    output (enum node_type)(($flags&RUBY_NODE_TYPEMASK)>>RUBY_NODE_TYPESHIFT)
    printf "): "
    print *(NODE *)($arg0)
  else
  if ($flags & RUBY_T_MASK) == RUBY_T_ZOMBIE
    printf "%sT_ZOMBIE%s: ", $color_type, $color_end
    print (struct RData *)($arg0)
  else
  if ($flags & RUBY_T_MASK) == RUBY_T_MOVED
    printf "%sT_MOVED%s: ", $color_type, $color_end
    print *(struct RMoved *)$arg0
  else
    printf "%sunknown%s: ", $color_type, $color_end
    print (struct RBasic *)($arg0)
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
end
document rp
  Print a Ruby's VALUE.
end

define rp_id
  set $id = (ID)$arg0
  if $id == '!' || $id == '+' || $id == '-' || $id == '*' || $id == '/' || $id == '%' || $id == '<' || $id == '>' || $id == '`'
    printf "(:%c)\n", $id
  else
  if $id == idDot2
    printf "(:..)\n"
  else
  if $id == idDot3
    printf "(:...)\n"
  else
  if $id == idUPlus
    printf "(:+@)\n"
  else
  if $id == idUMinus
    printf "(:-@)\n"
  else
  if $id == idPow
    printf "(:**)\n"
  else
  if $id == idCmp
    printf "(:<=>)\n"
  else
  if $id == idLTLT
    printf "(:<<)\n"
  else
  if $id == idGTGT
    printf "(:>>)\n"
  else
  if $id == idLE
    printf "(:<=)\n"
  else
  if $id == idGE
    printf "(:>=)\n"
  else
  if $id == idEq
    printf "(:==)\n"
  else
  if $id == idEqq
    printf "(:===)\n"
  else
  if $id == idNeq
    printf "(:!=)\n"
  else
  if $id == idEqTilde
    printf "(:=~)\n"
  else
  if $id == idNeqTilde
    printf "(:!~)\n"
  else
  if $id == idAREF
    printf "(:[])\n"
  else
  if $id == idASET
    printf "(:[]=)\n"
  else
  if $id == idCOLON2
    printf "(:'::')\n"
  else
  if $id == idANDOP
    printf "(:&&)\n"
  else
  if $id == idOROP
    printf "(:||)\n"
  else
  if $id == idANDDOT
    printf "(:&.)\n"
  else
    if $id <= tLAST_OP_ID
      printf "O"
    else
      set $id_type = $id & RUBY_ID_SCOPE_MASK
      if $id_type == RUBY_ID_LOCAL
        printf "l"
      else
      if $id_type == RUBY_ID_INSTANCE
        printf "i"
      else
      if $id_type == RUBY_ID_GLOBAL
        printf "G"
      else
      if $id_type == RUBY_ID_ATTRSET
        printf "a"
      else
      if $id_type == RUBY_ID_CONST
        printf "C"
      else
      if $id_type == RUBY_ID_CLASS
        printf "c"
      else
        printf "j"
      end
      end
      end
      end
      end
      end
    end
    printf "(%ld): ", $id
    print_id $id
    echo \n
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
  end
end
document rp_id
  Print an ID.
end

define output_string
  set $flags = ((struct RBasic*)($arg0))->flags
  set $len = ($flags & RUBY_FL_USER1) ? \
          ((struct RString*)($arg0))->as.heap.len : \
          (($flags & (RUBY_FL_USER2|RUBY_FL_USER3|RUBY_FL_USER4|RUBY_FL_USER5|RUBY_FL_USER6)) >> RUBY_FL_USHIFT+2)
  if $len > 0
    output *(char *)(($flags & RUBY_FL_USER1) ? \
	    ((struct RString*)($arg0))->as.heap.ptr : \
	    ((struct RString*)($arg0))->as.ary) @ $len
  else
    output ""
  end
end

define print_string
  set $flags = ((struct RBasic*)($arg0))->flags
  set $len = ($flags & RUBY_FL_USER1) ? \
          ((struct RString*)($arg0))->as.heap.len : \
          (($flags & (RUBY_FL_USER2|RUBY_FL_USER3|RUBY_FL_USER4|RUBY_FL_USER5|RUBY_FL_USER6)) >> RUBY_FL_USHIFT+2)
  if $len > 0
    printf "%s", *(char *)(($flags & RUBY_FL_USER1) ? \
	    ((struct RString*)($arg0))->as.heap.ptr : \
	    ((struct RString*)($arg0))->as.ary) @ $len
  end
end

define rp_string
  output_string $arg0
  printf " bytesize:%ld ", $len
  if !($flags & RUBY_FL_USER1)
    printf "(embed) "
  else
    if ($flags & RUBY_FL_USER2)
      printf "(shared) "
    end
    if ($flags & RUBY_FL_USER3)
      printf "(assoc) "
    end
  end
  printf "encoding:%d ", ($flags & RUBY_ENCODING_MASK) >> RUBY_ENCODING_SHIFT
  if ($flags & RUBY_ENC_CODERANGE_MASK) == 0
    printf "coderange:unknown "
  else
  if ($flags & RUBY_ENC_CODERANGE_MASK) == RUBY_ENC_CODERANGE_7BIT
    printf "coderange:7bit "
  else
  if ($flags & RUBY_ENC_CODERANGE_MASK) == RUBY_ENC_CODERANGE_VALID
    printf "coderange:valid "
  else
    printf "coderange:broken "
  end
  end
  end
  print (struct RString *)($arg0)
end
document rp_string
  Print the content of a String.
end

define rp_bignum
  set $flags = ((struct RBignum*)($arg0))->basic.flags
  set $len = (($flags & RUBY_FL_USER2) ? \
       ($flags & (RUBY_FL_USER5|RUBY_FL_USER4|RUBY_FL_USER3)) >> (RUBY_FL_USHIFT+3) : \
       ((struct RBignum*)($arg0))->as.heap.len)
  printf "%sT_BIGNUM%s: sign=%d len=%ld ", $color_type, $color_end, \
         (($flags & RUBY_FL_USER1) != 0), $len
  if $flags & RUBY_FL_USER2
    printf "(embed) "
  end
  print (struct RBignum *)($arg0)
  set $ptr = (($flags & RUBY_FL_USER2) ? \
              ((struct RBignum*)($arg0))->as.ary : \
              ((struct RBignum*)($arg0))->as.heap.digits)
  set $len = $len-1
  printf "0x%x", $ptr[$len]
  while $len > 0
    set $len = $len-1
    set $val = $ptr[$len]
    set $w = sizeof($ptr[0])
    printf "_"
    if $w > 8
      printf "%.32x", $val
    else
    if $w > 4
      printf "%.16x", $val
    else
    if $w > 2
      printf "%.8x", $val
    else
    if $w > 1
      printf "%.4x", $val
    else
      printf "%.2x", $val
    end
    end
    end
    end
  end
  printf "\n"
end
document rp_bignum
  Print the content of a Bignum.
end

define rp_class
  printf "(struct RClass *) %p", (void*)$arg0
  if ((struct RClass *)($arg0))->ptr.origin_ != $arg0
    printf " -> %p", ((struct RClass *)($arg0))->ptr.origin_
  end
  printf "\n"
  rb_classname $arg0
  print/x *(struct RClass *)($arg0)
  print *((struct RClass *)($arg0))->ptr
end
document rp_class
  Print the content of a Class/Module.
end

define rp_imemo
  set $flags = (enum imemo_type)((((struct RBasic *)($arg0))->flags >> RUBY_FL_USHIFT) & RUBY_IMEMO_MASK)
  if $flags == imemo_cref
    printf "(rb_cref_t *) %p\n", (void*)$arg0
    print *(rb_cref_t *)$arg0
  else
  if $flags == imemo_svar
    printf "(struct vm_svar *) %p\n", (void*)$arg0
    print *(struct vm_svar *)$arg0
  else
  if $flags == imemo_throw_data
    printf "(struct vm_throw_data *) %p\n", (void*)$arg0
    print *(struct vm_throw_data *)$arg0
  else
  if $flags == imemo_ifunc
    printf "(struct vm_ifunc *) %p\n", (void*)$arg0
    print *(struct vm_ifunc *)$arg0
  else
  if $flags == imemo_memo
    printf "(struct MEMO *) %p\n", (void*)$arg0
    print *(struct MEMO *)$arg0
  else
  if $flags == imemo_ment
    printf "(rb_method_entry_t *) %p\n", (void*)$arg0
    print *(rb_method_entry_t *)$arg0
  else
  if $flags == imemo_iseq
    printf "(rb_iseq_t *) %p\n", (void*)$arg0
    print *(rb_iseq_t *)$arg0
  else
    printf "(struct RIMemo *) %p\n", (void*)$arg0
    print *(struct RIMemo *)$arg0
  end
  end
  end
  end
  end
  end
  end
end
document rp_imemo
  Print the content of a memo
end

define nd_type
  print (enum node_type)((((NODE*)($arg0))->flags&RUBY_NODE_TYPEMASK)>>RUBY_NODE_TYPESHIFT)
end
document nd_type
  Print a Ruby' node type.
end

define nd_file
  print ((NODE*)($arg0))->nd_file
end
document nd_file
  Print the source file name of a node.
end

define nd_line
  print ((unsigned int)((((NODE*)($arg0))->flags>>RUBY_NODE_LSHIFT)&RUBY_NODE_LMASK))
end
document nd_line
  Print the source line number of a node.
end

# Print members of ruby node.

define nd_head
  printf "%su1.node%s: ", $color_highlite, $color_end
  rp ($arg0).u1.node
end

define nd_alen
  printf "%su2.argc%s: ", $color_highlite, $color_end
  p ($arg0).u2.argc
end

define nd_next
  printf "%su3.node%s: ", $color_highlite, $color_end
  rp ($arg0).u3.node
end


define nd_cond
  printf "%su1.node%s: ", $color_highlite, $color_end
  rp ($arg0).u1.node
end

define nd_body
  printf "%su2.node%s: ", $color_highlite, $color_end
  rp ($arg0).u2.node
end

define nd_else
  printf "%su3.node%s: ", $color_highlite, $color_end
  rp ($arg0).u3.node
end


define nd_orig
  printf "%su3.value%s: ", $color_highlite, $color_end
  rp ($arg0).u3.value
end


define nd_resq
  printf "%su2.node%s: ", $color_highlite, $color_end
  rp ($arg0).u2.node
end

define nd_ensr
  printf "%su3.node%s: ", $color_highlite, $color_end
  rp ($arg0).u3.node
end


define nd_1st
  printf "%su1.node%s: ", $color_highlite, $color_end
  rp ($arg0).u1.node
end

define nd_2nd
  printf "%su2.node%s: ", $color_highlite, $color_end
  rp ($arg0).u2.node
end


define nd_stts
  printf "%su1.node%s: ", $color_highlite, $color_end
  rp ($arg0).u1.node
end


define nd_entry
  printf "%su3.entry%s: ", $color_highlite, $color_end
  p ($arg0).u3.entry
end

define nd_vid
  printf "%su1.id%s: ", $color_highlite, $color_end
  p ($arg0).u1.id
end

define nd_cflag
  printf "%su2.id%s: ", $color_highlite, $color_end
  p ($arg0).u2.id
end

define nd_cval
  printf "%su3.value%s: ", $color_highlite, $color_end
  rp ($arg0).u3.value
end

define nd_tbl
  printf "%su1.tbl%s: ", $color_highlite, $color_end
  p ($arg0).u1.tbl
end


define nd_var
  printf "%su1.node%s: ", $color_highlite, $color_end
  rp ($arg0).u1.node
end

define nd_ibdy
  printf "%su2.node%s: ", $color_highlite, $color_end
  rp ($arg0).u2.node
end

define nd_iter
  printf "%su3.node%s: ", $color_highlite, $color_end
  rp ($arg0).u3.node
end


define nd_value
  printf "%su2.node%s: ", $color_highlite, $color_end
  rp ($arg0).u2.node
end

define nd_aid
  printf "%su3.id%s: ", $color_highlite, $color_end
  p ($arg0).u3.id
end


define nd_lit
  printf "%su1.value%s: ", $color_highlite, $color_end
  rp ($arg0).u1.value
end

define nd_rest
  printf "%su2.argc%s: ", $color_highlite, $color_end
  p ($arg0).u2.argc
end

define nd_opt
  printf "%su1.node%s: ", $color_highlite, $color_end
  rp ($arg0).u1.node
end


define nd_recv
  printf "%su1.node%s: ", $color_highlite, $color_end
  rp ($arg0).u1.node
end

define nd_mid
  printf "%su2.id%s: ", $color_highlite, $color_end
  p ($arg0).u2.id
end

define nd_args
  printf "%su3.node%s: ", $color_highlite, $color_end
  rp ($arg0).u3.node
end

define nd_defn
  printf "%su3.node%s: ", $color_highlite, $color_end
  rp ($arg0).u3.node
end


define nd_old
  printf "%su1.id%s: ", $color_highlite, $color_end
  p ($arg0).u1.id
end

define nd_new
  printf "%su2.id%s: ", $color_highlite, $color_end
  p ($arg0).u2.id
end


define nd_cname
  printf "%su1.id%s: ", $color_highlite, $color_end
  p ($arg0).u1.id
end

define nd_super
  printf "%su3.node%s: ", $color_highlite, $color_end
  rp ($arg0).u3.node
end


define nd_modl
  printf "%su1.id%s: ", $color_highlite, $color_end
  p ($arg0).u1.id
end

define nd_clss
  printf "%su1.value%s: ", $color_highlite, $color_end
  rp ($arg0).u1.value
end


define nd_beg
  printf "%su1.node%s: ", $color_highlite, $color_end
  rp ($arg0).u1.node
end

define nd_end
  printf "%su2.node%s: ", $color_highlite, $color_end
  rp ($arg0).u2.node
end

define nd_state
  printf "%su3.state%s: ", $color_highlite, $color_end
  p ($arg0).u3.state
end

define nd_rval
  printf "%su2.value%s: ", $color_highlite, $color_end
  rp ($arg0).u2.value
end


define nd_nth
  printf "%su2.argc%s: ", $color_highlite, $color_end
  p ($arg0).u2.argc
end


define nd_tag
  printf "%su1.id%s: ", $color_highlite, $color_end
  p ($arg0).u1.id
end

define nd_tval
  printf "%su2.value%s: ", $color_highlite, $color_end
  rp ($arg0).u2.value
end

define nd_tree
  set $buf = (struct RString *)rb_str_buf_new(0)
  call dump_node((VALUE)($buf), rb_str_tmp_new(0), 0, ($arg0))
  printf "%s\n", $buf->as.heap.ptr
end

define rb_p
  call rb_p($arg0)
end

define rb_numtable_entry
  set $rb_numtable_tbl = $arg0
  set $rb_numtable_id = (st_data_t)$arg1
  set $rb_numtable_key = 0
  set $rb_numtable_rec = 0
  if $rb_numtable_tbl->entries_packed
    set $rb_numtable_p = $rb_numtable_tbl->as.packed.bins
    while $rb_numtable_p && $rb_numtable_p < $rb_numtable_tbl->as.packed.bins+$rb_numtable_tbl->num_entries
      if $rb_numtable_p.k == $rb_numtable_id
	set $rb_numtable_key = $rb_numtable_p.k
	set $rb_numtable_rec = $rb_numtable_p.v
	set $rb_numtable_p = 0
      else
	set $rb_numtable_p = $rb_numtable_p + 1
      end
    end
  else
    set $rb_numtable_p = $rb_numtable_tbl->as.big.bins[st_numhash($rb_numtable_id) % $rb_numtable_tbl->num_bins]
    while $rb_numtable_p
      if $rb_numtable_p->key == $rb_numtable_id
	set $rb_numtable_key = $rb_numtable_p->key
	set $rb_numtable_rec = $rb_numtable_p->record
	set $rb_numtable_p = 0
      else
	set $rb_numtable_p = $rb_numtable_p->next
      end
    end
  end
end

define rb_id2name
  ruby_gdb_init
  printf "%sID%s: ", $color_type, $color_end
  rp_id $arg0
end
document rb_id2name
  Print the name of id
end

define rb_method_entry
  set $rb_method_entry_klass = (struct RClass *)$arg0
  set $rb_method_entry_id = (ID)$arg1
  set $rb_method_entry_me = (rb_method_entry_t *)0
  while !$rb_method_entry_me && $rb_method_entry_klass
    rb_numtable_entry $rb_method_entry_klass->m_tbl_wrapper->tbl $rb_method_entry_id
    set $rb_method_entry_me = (rb_method_entry_t *)$rb_numtable_rec
    if !$rb_method_entry_me
      set $rb_method_entry_klass = (struct RClass *)RCLASS_SUPER($rb_method_entry_klass)
    end
  end
  if $rb_method_entry_me
    print *$rb_method_entry_klass
    print *$rb_method_entry_me
  else
    echo method not found\n
  end
end
document rb_method_entry
  Search method entry by class and id
end

define rb_classname
  # up to 128bit int
  set $rb_classname = rb_mod_name($arg0)
  if $rb_classname != RUBY_Qnil
    rp $rb_classname
  else
    echo anonymous class/module\n
  end
end

define rb_ancestors
  set $rb_ancestors_module = $arg0
  while $rb_ancestors_module
    rp_class $rb_ancestors_module
    set $rb_ancestors_module = RCLASS_SUPER($rb_ancestors_module)
  end
end
document rb_ancestors
  Print ancestors.
end

define rb_backtrace
  call rb_backtrace()
end

define iseq
  if ruby_dummy_gdb_enums.special_consts
  end
  if ($arg0)->type == ISEQ_ELEMENT_NONE
    echo [none]\n
  end
  if ($arg0)->type == ISEQ_ELEMENT_LABEL
    print *(LABEL*)($arg0)
  end
  if ($arg0)->type == ISEQ_ELEMENT_INSN
    print *(INSN*)($arg0)
    if ((INSN*)($arg0))->insn_id != YARVINSN_jump
      set $i = 0
      set $operand_size = ((INSN*)($arg0))->operand_size
      set $operands = ((INSN*)($arg0))->operands
      while $i < $operand_size
	rp $operands[$i++]
      end
    end
  end
  if ($arg0)->type == ISEQ_ELEMENT_ADJUST
    print *(ADJUST*)($arg0)
  end
end

define rb_ps
  rb_ps_vm ruby_current_vm_ptr
end
document rb_ps
Dump all threads and their callstacks
end

define rb_ps_vm
  print $ps_vm = (rb_vm_t*)$arg0
  set $ps_thread_ln = $ps_vm->living_threads.n.next
  set $ps_thread_ln_last = $ps_vm->living_threads.n.prev
  while 1
    set $ps_thread_th = (rb_thread_t *)$ps_thread_ln
    set $ps_thread = (VALUE)($ps_thread_th->self)
    rb_ps_thread $ps_thread
    if $ps_thread_ln == $ps_thread_ln_last
      loop_break
    end
    set $ps_thread_ln = $ps_thread_ln->next
  end
end
document rb_ps_vm
Dump all threads in a (rb_vm_t*) and their callstacks
end

define print_lineno
  set $cfp = $arg0
  set $iseq = $cfp->iseq
  set $pos = $cfp->pc - $iseq->body->iseq_encoded
  if $pos != 0
    set $pos = $pos - 1
  end

  set $index = 0
  set $size = $iseq->body->insns_info.size
  set $table = $iseq->body->insns_info.body
  set $positions = $iseq->body->insns_info.positions
  #printf "size: %d\n", $size
  if $size == 0
  else
  if $size == 1
    printf "%d", $table[0].line_no
  else
    if $positions
      # get_insn_info_linear_search
      set $index = 1
      while $index < $size
        #printf "table[%d]: position: %d, line: %d, pos: %d\n", $i, $positions[$i], $table[$i].line_no, $pos
        if $positions[$index] > $pos
          loop_break
        end
        set $index = $index + 1
        if $positions[$index] == $pos
          loop_break
        end
      end
    else
      # get_insn_info_succinct_bitvector
      set $sd = $iseq->body->insns_info.succ_index_table
      set $immediate_table_size = sizeof($sd->imm_part) / sizeof(uint64_t) * 9
      if $pos < $immediate_table_size
        set $i = $pos / 9
        set $j = $pos % 9
        set $index = ((int)($sd->imm_part[$i] >> ($j * 7))) & 0x7f
      else
        set $block_index = ($pos - $immediate_table_size) / 512
        set $block = &$sd->succ_part[$block_index]
        set $block_bit_index = ($pos - $immediate_table_size) % 512
        set $small_block_index = $block_bit_index / 64
        set $small_block_popcount = $small_block_index == 0 ? 0 : (((int)($block->small_block_ranks >> (($small_block_index - 1) * 9))) & 0x1ff)
        set $x = $block->bits[$small_block_index] << (63 - $block_bit_index % 64)
        set $x = ($x & 0x5555555555555555) + ($x >> 1 & 0x5555555555555555)
        set $x = ($x & 0x3333333333333333) + ($x >> 2 & 0x3333333333333333)
        set $x = ($x & 0x0707070707070707) + ($x >> 4 & 0x0707070707070707)
        set $x = ($x & 0x001f001f001f001f) + ($x >> 8 & 0x001f001f001f001f)
        set $x = ($x & 0x0000003f0000003f) + ($x >>16 & 0x0000003f0000003f)
        set $popcnt = ($x & 0x7f) + ($x >>32 & 0x7f)
        set $index = $block->rank + $small_block_popcount + $popcnt
      end
    end
    printf "%d", $table[$index-1].line_no
  end
  end
end

define check_method_entry
  set $imemo = (struct RBasic *)$arg0
  if $imemo != RUBY_Qfalse
    set $type = ($imemo->flags >> 12) & 0x07
    if $type == imemo_ment
      set $me = (rb_callable_method_entry_t *)$imemo
    else
    if $type == imemo_svar
      set $imemo = ((struct vm_svar *)$imemo)->cref_or_me
      check_method_entry $imemo
    end
    end
  end
end

define print_id
  set $id = $arg0
  # rb_id_to_serial
  if $id > tLAST_OP_ID
    set $serial = (rb_id_serial_t)($id >> RUBY_ID_SCOPE_SHIFT)
  else
    set $serial = (rb_id_serial_t)$id
  end
  if $serial && $serial <= ruby_global_symbols.last_id
    set $idx = $serial / ID_ENTRY_UNIT
    set $ids = (struct RArray *)ruby_global_symbols.ids
    set $flags = $ids->basic.flags
    if ($flags & RUBY_FL_USER1)
      set $idsptr = $ids->as.ary
      set $idslen = (($flags & (RUBY_FL_USER3|RUBY_FL_USER4)) >> (RUBY_FL_USHIFT+3))
    else
      set $idsptr = $ids->as.heap.ptr
      set $idslen = $ids->as.heap.len
    end
    if $idx < $idslen
      set $t = 0
      set $ary = (struct RArray *)$idsptr[$idx]
      if $ary != RUBY_Qnil
        set $flags = $ary->basic.flags
        if ($flags & RUBY_FL_USER1)
          set $aryptr = $ary->as.ary
          set $arylen = (($flags & (RUBY_FL_USER3|RUBY_FL_USER4)) >> (RUBY_FL_USHIFT+3))
        else
          set $aryptr = $ary->as.heap.ptr
          set $arylen = $ary->as.heap.len
        end
        set $result = $aryptr[($serial % ID_ENTRY_UNIT) * ID_ENTRY_SIZE + $t]
	if $result != RUBY_Qnil
          print_string $result
	else
	  echo undef
	end
      end
    end
  end
end

define print_pathobj
  set $flags = ((struct RBasic*)($arg0))->flags
  if ($flags & RUBY_T_MASK) == RUBY_T_STRING
    print_string $arg0
  end
  if ($flags & RUBY_T_MASK) == RUBY_T_ARRAY
    if $flags & RUBY_FL_USER1
      set $str = ((struct RArray*)($arg0))->as.ary[0]
    else
      set $str = ((struct RArray*)($arg0))->as.heap.ptr[0]
    end
    print_string $str
  end
end

define rb_ps_thread
  set $ps_thread = (struct RTypedData*)$arg0
  set $ps_thread_th = (rb_thread_t*)$ps_thread->data
  printf "* #<Thread:%p rb_thread_t:%p native_thread:%p>\n", \
    $ps_thread, $ps_thread_th, $ps_thread_th->thread_id
  set $cfp = $ps_thread_th->ec->cfp
  set $cfpend = (rb_control_frame_t *)($ps_thread_th->ec->vm_stack + $ps_thread_th->ec->vm_stack_size)-1
  while $cfp < $cfpend
    if $cfp->iseq
      if !((VALUE)$cfp->iseq & RUBY_IMMEDIATE_MASK) && (((imemo_ifunc << RUBY_FL_USHIFT) | RUBY_T_IMEMO)==$cfp->iseq->flags & ((RUBY_IMEMO_MASK << RUBY_FL_USHIFT) | RUBY_T_MASK))
        printf "%d:ifunc ", $cfpend-$cfp
        set print symbol-filename on
        output/a $cfp->iseq.body
        set print symbol-filename off
        printf "\n"
      else
      if $cfp->pc
        set $location = $cfp->iseq->body->location
        printf "%d:", $cfpend-$cfp
        print_pathobj $location.pathobj
        printf ":"
        print_lineno $cfp
        printf ":in `"
        print_string $location.label
        printf "'\n"
      else
        printf "%d: ???.rb:???:in `???'\n", $cfpend-$cfp
      end
      end
    else
      # if VM_FRAME_TYPE($cfp->flag) == VM_FRAME_MAGIC_CFUNC
      set $ep = $cfp->ep
      if ($ep[0] & 0xffff0001) == 0x55550001
        #define VM_ENV_FLAG_LOCAL 0x02
        #define VM_ENV_PREV_EP(ep)   GC_GUARDED_PTR_REF(ep[VM_ENV_DATA_INDEX_SPECVAL])
        set $me = 0
        set $env_specval = $ep[-1]
        set $env_me_cref = $ep[-2]
        while ($env_specval & 0x02) != 0
          check_method_entry $env_me_cref
          if $me != 0
            loop_break
          end
          set $ep = $ep[0]
          set $env_specval = $ep[-1]
          set $env_me_cref = $ep[-2]
        end
        if $me == 0
          check_method_entry $env_me_cref
        end
        printf "%d:", $cfpend-$cfp
        set print symbol-filename on
        output/a $me->def->body.cfunc.func
        set print symbol-filename off
        set $mid = $me->def->original_id
        printf ":in `"
        print_id $mid
        printf "'\n"
      else
        printf "%d:unknown_frame:???:in `???'\n", $cfpend-$cfp
      end
    end
    set $cfp = $cfp + 1
  end
end

define rb_count_objects
  set $objspace = ruby_current_vm_ptr->objspace
  set $counts_00 = 0
  set $counts_01 = 0
  set $counts_02 = 0
  set $counts_03 = 0
  set $counts_04 = 0
  set $counts_05 = 0
  set $counts_06 = 0
  set $counts_07 = 0
  set $counts_08 = 0
  set $counts_09 = 0
  set $counts_0a = 0
  set $counts_0b = 0
  set $counts_0c = 0
  set $counts_0d = 0
  set $counts_0e = 0
  set $counts_0f = 0
  set $counts_10 = 0
  set $counts_11 = 0
  set $counts_12 = 0
  set $counts_13 = 0
  set $counts_14 = 0
  set $counts_15 = 0
  set $counts_16 = 0
  set $counts_17 = 0
  set $counts_18 = 0
  set $counts_19 = 0
  set $counts_1a = 0
  set $counts_1b = 0
  set $counts_1c = 0
  set $counts_1d = 0
  set $counts_1e = 0
  set $counts_1f = 0
  set $total = 0
  set $i = 0
  while $i < $objspace->heap_pages.allocated_pages
    printf "\rcounting... %d/%d", $i, $objspace->heap_pages.allocated_pages
    set $page = $objspace->heap_pages.sorted[$i]
    set $p = $page->start
    set $pend = $p + $page->total_slots
    while $p < $pend
      set $flags = $p->as.basic.flags & 0x1f
      eval "set $counts_%02x = $counts_%02x + 1", $flags, $flags
      set $p = $p + 1
    end
    set $total = $total + $page->total_slots
    set $i = $i + 1
  end
  printf "\rTOTAL: %d, FREE: %d\n", $total, $counts_00
  printf "T_OBJECT: %d\n", $counts_01
  printf "T_CLASS: %d\n", $counts_02
  printf "T_MODULE: %d\n", $counts_03
  printf "T_FLOAT: %d\n", $counts_04
  printf "T_STRING: %d\n", $counts_05
  printf "T_REGEXP: %d\n", $counts_06
  printf "T_ARRAY: %d\n", $counts_07
  printf "T_HASH: %d\n", $counts_08
  printf "T_STRUCT: %d\n", $counts_09
  printf "T_BIGNUM: %d\n", $counts_0a
  printf "T_FILE: %d\n", $counts_0b
  printf "T_DATA: %d\n", $counts_0c
  printf "T_MATCH: %d\n", $counts_0d
  printf "T_COMPLEX: %d\n", $counts_0e
  printf "T_RATIONAL: %d\n", $counts_0f
  #printf "UNKNOWN_10: %d\n", $counts_10
  printf "T_NIL: %d\n", $counts_11
  printf "T_TRUE: %d\n", $counts_12
  printf "T_FALSE: %d\n", $counts_13
  printf "T_SYMBOL: %d\n", $counts_14
  printf "T_FIXNUM: %d\n", $counts_15
  printf "T_UNDEF: %d\n", $counts_16
  #printf "UNKNOWN_17: %d\n", $counts_17
  #printf "UNKNOWN_18: %d\n", $counts_18
  #printf "UNKNOWN_19: %d\n", $counts_19
  printf "T_IMEMO: %d\n", $counts_1a
  printf "T_NODE: %d\n", $counts_1b
  printf "T_ICLASS: %d\n", $counts_1c
  printf "T_ZOMBIE: %d\n", $counts_1d
  #printf "UNKNOWN_1E: %d\n", $counts_1e
  printf "T_MASK: %d\n", $counts_1f
end
document rb_count_objects
  Counts all objects grouped by type.
end

# Details: https://bugs.ruby-lang.org/projects/ruby-master/wiki/MachineInstructionsTraceWithGDB
define trace_machine_instructions
  set logging on
  set height 0
  set width 0
  display/i $pc
  while !$exit_code
    info line *$pc
    si
  end
end

define SDR
  call rb_vmdebug_stack_dump_raw_current()
end

define rbi
  if ((LINK_ELEMENT*)$arg0)->type == ISEQ_ELEMENT_LABEL
    p *(LABEL*)$arg0
  else
  if ((LINK_ELEMENT*)$arg0)->type == ISEQ_ELEMENT_INSN
    p *(INSN*)$arg0
  else
  if ((LINK_ELEMENT*)$arg0)->type == ISEQ_ELEMENT_ADJUST
    p *(ADJUST*)$arg0
  else
    print *$arg0
  end
  end
  end
end

define dump_node
  set $str = rb_parser_dump_tree($arg0, 0)
  set $flags = ((struct RBasic*)($str))->flags
  printf "%s", (char *)(($flags & RUBY_FL_USER1) ? \
                        ((struct RString*)$str)->as.heap.ptr : \
                        ((struct RString*)$str)->as.ary)
end

define print_flags
  printf "RUBY_FL_WB_PROTECTED: %s\n", ((struct RBasic*)($arg0))->flags & RUBY_FL_WB_PROTECTED ? "1" : "0"
  printf "RUBY_FL_PROMOTED0   : %s\n", ((struct RBasic*)($arg0))->flags & RUBY_FL_PROMOTED0 ? "1" : "0"
  printf "RUBY_FL_PROMOTED1   : %s\n", ((struct RBasic*)($arg0))->flags & RUBY_FL_PROMOTED1 ? "1" : "0"
  printf "RUBY_FL_FINALIZE    : %s\n", ((struct RBasic*)($arg0))->flags & RUBY_FL_FINALIZE ? "1" : "0"
  printf "RUBY_FL_TAINT       : %s\n", ((struct RBasic*)($arg0))->flags & RUBY_FL_TAINT ? "1" : "0"
  printf "RUBY_FL_UNTRUSTED   : %s\n", ((struct RBasic*)($arg0))->flags & RUBY_FL_UNTRUSTED ? "1" : "0"
  printf "RUBY_FL_EXIVAR      : %s\n", ((struct RBasic*)($arg0))->flags & RUBY_FL_EXIVAR ? "1" : "0"
  printf "RUBY_FL_FREEZE      : %s\n", ((struct RBasic*)($arg0))->flags & RUBY_FL_FREEZE ? "1" : "0"

  printf "RUBY_FL_USER0       : %s\n", ((struct RBasic*)($arg0))->flags & RUBY_FL_USER0 ? "1" : "0"
  printf "RUBY_FL_USER1       : %s\n", ((struct RBasic*)($arg0))->flags & RUBY_FL_USER1 ? "1" : "0"
  printf "RUBY_FL_USER2       : %s\n", ((struct RBasic*)($arg0))->flags & RUBY_FL_USER2 ? "1" : "0"
  printf "RUBY_FL_USER3       : %s\n", ((struct RBasic*)($arg0))->flags & RUBY_FL_USER3 ? "1" : "0"
  printf "RUBY_FL_USER4       : %s\n", ((struct RBasic*)($arg0))->flags & RUBY_FL_USER4 ? "1" : "0"
  printf "RUBY_FL_USER5       : %s\n", ((struct RBasic*)($arg0))->flags & RUBY_FL_USER5 ? "1" : "0"
  printf "RUBY_FL_USER6       : %s\n", ((struct RBasic*)($arg0))->flags & RUBY_FL_USER6 ? "1" : "0"
  printf "RUBY_FL_USER7       : %s\n", ((struct RBasic*)($arg0))->flags & RUBY_FL_USER7 ? "1" : "0"
  printf "RUBY_FL_USER8       : %s\n", ((struct RBasic*)($arg0))->flags & RUBY_FL_USER8 ? "1" : "0"
  printf "RUBY_FL_USER9       : %s\n", ((struct RBasic*)($arg0))->flags & RUBY_FL_USER9 ? "1" : "0"
  printf "RUBY_FL_USER10      : %s\n", ((struct RBasic*)($arg0))->flags & RUBY_FL_USER10 ? "1" : "0"
  printf "RUBY_FL_USER11      : %s\n", ((struct RBasic*)($arg0))->flags & RUBY_FL_USER11 ? "1" : "0"
  printf "RUBY_FL_USER12      : %s\n", ((struct RBasic*)($arg0))->flags & RUBY_FL_USER12 ? "1" : "0"
  printf "RUBY_FL_USER13      : %s\n", ((struct RBasic*)($arg0))->flags & RUBY_FL_USER13 ? "1" : "0"
  printf "RUBY_FL_USER14      : %s\n", ((struct RBasic*)($arg0))->flags & RUBY_FL_USER14 ? "1" : "0"
  printf "RUBY_FL_USER15      : %s\n", ((struct RBasic*)($arg0))->flags & RUBY_FL_USER15 ? "1" : "0"
  printf "RUBY_FL_USER16      : %s\n", ((struct RBasic*)($arg0))->flags & RUBY_FL_USER16 ? "1" : "0"
  printf "RUBY_FL_USER17      : %s\n", ((struct RBasic*)($arg0))->flags & RUBY_FL_USER17 ? "1" : "0"
  printf "RUBY_FL_USER18      : %s\n", ((struct RBasic*)($arg0))->flags & RUBY_FL_USER18 ? "1" : "0"
end