summaryrefslogtreecommitdiff
path: root/src/.gdbinit
blob: 3d8aa5c1ec2123a0338dca712fce25f22e058c6d (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
1352
1353
1354
1355
# Copyright (C) 1992-1998, 2000-2011  Free Software Foundation, Inc.
#
# This file is part of GNU Emacs.
#
# GNU Emacs is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# GNU Emacs is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Emacs; see the file COPYING.  If not, write to the
# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301, USA.

# Force loading of symbols, enough to give us gdb_valbits etc.
set main
# With some compilers, we need this to give us struct Lisp_Symbol etc.:
set Fmake_symbol

# Find lwlib source files too.
dir ../lwlib
#dir /gd/gnu/lesstif-0.89.9/lib/Xm

# Don't enter GDB when user types C-g to quit.
# This has one unfortunate effect: you can't type C-c
# at the GDB to stop Emacs, when using X.
# However, C-z works just as well in that case.
handle 2 noprint pass

# Make it work like SIGINT normally does.
handle SIGTSTP nopass

# Pass on user signals
handle SIGUSR1 noprint pass
handle SIGUSR2 noprint pass

# Don't pass SIGALRM to Emacs.  This makes problems when
# debugging.
handle SIGALRM ignore

# $valmask and $tagmask are mask values set up by the xreload macro below.

# Use $bugfix so that the value isn't a constant.
# Using a constant runs into GDB bugs sometimes.
define xgetptr
  set $bugfix = $arg0
  set $ptr = (gdb_use_union ? (gdb_use_lsb ? $bugfix.u.val << gdb_gctypebits : $bugfix.u.val) : $bugfix & $valmask) | gdb_data_seg_bits
end

define xgetint
  set $bugfix = $arg0
  set $int = gdb_use_union ? $bugfix.s.val : (gdb_use_lsb ? $bugfix : $bugfix << gdb_gctypebits) >> gdb_gctypebits
end

define xgettype
  set $bugfix = $arg0
  set $type = gdb_use_union ? $bugfix.s.type : (enum Lisp_Type) (gdb_use_lsb ? $bugfix & $tagmask : $bugfix >> gdb_valbits)
end

# Set up something to print out s-expressions.
# We save and restore print_output_debug_flag to prevent the w32 port
# from calling OutputDebugString, which causes GDB to display each
# character twice (yuk!).
define pr
  set $output_debug = print_output_debug_flag
  set print_output_debug_flag = 0
  set debug_print ($)
  set print_output_debug_flag = $output_debug
end
document pr
Print the emacs s-expression which is $.
Works only when an inferior emacs is executing.
end

# Print out s-expressions
define pp
  set $tmp = $arg0
  set $output_debug = print_output_debug_flag
  set print_output_debug_flag = 0
  set safe_debug_print ($tmp)
  set print_output_debug_flag = $output_debug
end
document pp
Print the argument as an emacs s-expression
Works only when an inferior emacs is executing.
end

# Print out s-expressions from tool bar
define pp1
  set $tmp = $arg0
  set $output_debug = print_output_debug_flag
  set print_output_debug_flag = 0
  set safe_debug_print ($tmp)
  set print_output_debug_flag = $output_debug
end
document pp1
Print the argument as an emacs s-expression.
Works only when an inferior emacs is executing.
For use on tool bar when debugging in Emacs
where the variable name would not otherwise
be recorded in the GUD buffer.
end

# Print value of lisp variable
define pv
  set $tmp = "$arg0"
  set $output_debug = print_output_debug_flag
  set print_output_debug_flag = 0
  set safe_debug_print ( find_symbol_value (intern ($tmp)))
  set print_output_debug_flag = $output_debug
end
document pv
Print the value of the lisp variable given as argument.
Works only when an inferior emacs is executing.
end

# Print value of lisp variable
define pv1
  set $tmp = "$arg0"
  set $output_debug = print_output_debug_flag
  set print_output_debug_flag = 0
  set safe_debug_print (find_symbol_value (intern ($tmp)))
  set print_output_debug_flag = $output_debug
end
document pv1
Print the value of the lisp variable given as argument.
Works only when an inferior emacs is executing.
For use when debugging in Emacs where the variable
name would not otherwise be recorded in the GUD buffer.
end

# Print out current buffer point and boundaries
define ppt
  set $b = current_buffer
  set $t = $b->text
  printf "BUF PT: %d", $b->pt
  if ($b->pt != $b->pt_byte)
    printf "[%d]", $b->pt_byte
  end
  printf " of 1..%d", $t->z
  if ($t->z != $t->z_byte)
    printf "[%d]", $t->z_byte
  end
  if ($b->begv != 1 || $b->zv != $t->z)
    printf " NARROW=%d..%d", $b->begv, $b->zv
    if ($b->begv != $b->begv_byte || $b->zv != $b->zv_byte)
      printf " [%d..%d]", $b->begv_byte, $b->zv_byte
    end
  end
  printf " GAP: %d", $t->gpt
  if ($t->gpt != $t->gpt_byte)
    printf "[%d]", $t->gpt_byte
  end
  printf " SZ=%d\n", $t->gap_size
end
document ppt
Print current buffer's point and boundaries.
Prints values of point, beg, end, narrow, and gap for current buffer.
end

define pitmethod
  set $itmethod = $arg0
  # output $itmethod
  if ($itmethod == 0)
    printf "GET_FROM_BUFFER"
  end
  if ($itmethod == 1)
    printf "GET_FROM_DISPLAY_VECTOR"
  end
  if ($itmethod == 2)
    printf "GET_FROM_STRING"
  end
  if ($itmethod == 3)
    printf "GET_FROM_C_STRING"
  end
  if ($itmethod == 4)
    printf "GET_FROM_IMAGE"
  end
  if ($itmethod == 5)
    printf "GET_FROM_STRETCH"
  end
  if ($itmethod < 0 || $itmethod > 5)
    output $itmethod
  end
end
document pitmethod
Pretty print it->method given as first arg
end

# Print out iterator given as first arg
define pitx
  set $it = $arg0
  printf "cur=%d", $it->current.pos.charpos
  if ($it->current.pos.charpos != $it->current.pos.bytepos)
    printf "[%d]", $it->current.pos.bytepos
  end
  printf " pos=%d", $it->position.charpos
  if ($it->position.charpos != $it->position.bytepos)
    printf "[%d]", $it->position.bytepos
  end
  printf " start=%d", $it->start.pos.charpos
  if ($it->start.pos.charpos != $it->start.pos.bytepos)
    printf "[%d]", $it->start.pos.bytepos
  end
  printf " end=%d", $it->end_charpos
  printf " stop=%d", $it->stop_charpos
  printf " face=%d", $it->face_id
  if ($it->multibyte_p)
    printf " MB"
  end
  if ($it->header_line_p)
    printf " HL"
  end
  if ($it->n_overlay_strings > 0)
    printf " nov=%d", $it->n_overlay_strings
  end
  if ($it->sp != 0)
    printf " sp=%d", $it->sp
  end
  # IT_CHARACTER
  if ($it->what == 0)
    if ($it->len == 1 && $it->c >= ' ' && it->c < 255)
      printf " ch='%c'", $it->c
    else
      printf " ch=[%d,%d]", $it->c, $it->len
    end
  else
    printf " "
    # output $it->what
    if ($it->what == 0)
      printf "IT_CHARACTER"
    end
    if ($it->what == 1)
      printf "IT_COMPOSITION"
    end
    if ($it->what == 2)
      printf "IT_IMAGE"
    end
    if ($it->what == 3)
      printf "IT_STRETCH"
    end
    if ($it->what == 4)
      printf "IT_EOB"
    end
    if ($it->what == 5)
      printf "IT_TRUNCATION"
    end
    if ($it->what == 6)
      printf "IT_CONTINUATION"
    end
    if ($it->what < 0 || $it->what > 6)
      output $it->what
    end
  end
  if ($it->method != 0)
    # !GET_FROM_BUFFER
    printf " next="
    pitmethod $it->method
    if ($it->method == 2)
      # GET_FROM_STRING
      printf "[%d]", $it->current.string_pos.charpos
    end
    if ($it->method == 4)
      # GET_FROM_IMAGE
      printf "[%d]", $it->image_id
    end
  end
  printf "\n"
  if ($it->bidi_p)
    printf "BIDI: base_stop=%d prev_stop=%d level=%d\n", $it->base_level_stop, $it->prev_stop, $it->bidi_it.resolved_level
  end
  if ($it->region_beg_charpos >= 0)
    printf "reg=%d-%d ", $it->region_beg_charpos, $it->region_end_charpos
  end
  printf "vpos=%d hpos=%d", $it->vpos, $it->hpos,
  printf " y=%d lvy=%d", $it->current_y, $it->last_visible_y
  printf " x=%d vx=%d-%d", $it->current_x, $it->first_visible_x, $it->last_visible_x
  printf " w=%d", $it->pixel_width
  printf " a+d=%d+%d=%d", $it->ascent, $it->descent, $it->ascent+$it->descent
  printf " max=%d+%d=%d", $it->max_ascent, $it->max_descent, $it->max_ascent+$it->max_descent
  printf "\n"
  set $i = 0
  while ($i < $it->sp && $i < 4)
    set $e = $it->stack[$i]
    printf "stack[%d]: ", $i
    pitmethod $e->method
    printf "[%d]", $e->position.charpos
    printf "\n"
    set $i = $i + 1
  end
end
document pitx
Pretty print a display iterator.
Take one arg, an iterator object or pointer.
end

define pit
  pitx it
end
document pit
Pretty print the display iterator it.
end

define prowx
  set $row = $arg0
  printf "y=%d x=%d pwid=%d", $row->y, $row->x, $row->pixel_width
  printf " a+d=%d+%d=%d", $row->ascent, $row->height-$row->ascent, $row->height
  printf " phys=%d+%d=%d", $row->phys_ascent, $row->phys_height-$row->phys_ascent, $row->phys_height
  printf " vis=%d", $row->visible_height
  printf "  L=%d T=%d R=%d", $row->used[0], $row->used[1], $row->used[2]
  printf "\n"
  printf "start=%d end=%d", $row->start.pos.charpos, $row->end.pos.charpos
  if ($row->enabled_p)
    printf " ENA"
  end
  if ($row->displays_text_p)
    printf " DISP"
  end
  if ($row->mode_line_p)
    printf " MODEL"
  end
  if ($row->continued_p)
    printf " CONT"
  end
  if ($row-> truncated_on_left_p)
    printf " TRUNC:L"
  end
  if ($row-> truncated_on_right_p)
    printf " TRUNC:R"
  end
  if ($row->starts_in_middle_of_char_p)
    printf " STARTMID"
  end
  if ($row->ends_in_middle_of_char_p)
    printf " ENDMID"
  end
  if ($row->ends_in_newline_from_string_p)
    printf " ENDNLFS"
  end
  if ($row->ends_at_zv_p)
    printf " ENDZV"
  end
  if ($row->overlapped_p)
    printf " OLAPD"
  end
  if ($row->overlapping_p)
    printf " OLAPNG"
  end
  printf "\n"
end
document prowx
Pretty print information about glyph_row.
Takes one argument, a row object or pointer.
end

define prow
  prowx row
end
document prow
Pretty print information about glyph_row in row.
end


define pcursorx
  set $cp = $arg0
  printf "y=%d x=%d vpos=%d hpos=%d", $cp->y, $cp->x, $cp->vpos, $cp->hpos
end
document pcursorx
Pretty print a window cursor.
end

define pcursor
  printf "output: "
  pcursorx output_cursor
  printf "\n"
end
document pcursor
Pretty print the output_cursor.
end

define pwinx
  set $w = $arg0
  xgetint $w->sequence_number
  if ($w->mini_p != Qnil)
    printf "Mini "
  end
  printf "Window %d ", $int
  xgetptr $w->buffer
  set $tem = (struct buffer *) $ptr
  xgetptr $tem->name
  printf "%s", ((struct Lisp_String *) $ptr)->data
  printf "\n"
  xgetptr $w->start
  set $tem = (struct Lisp_Marker *) $ptr
  printf "start=%d end:", $tem->charpos
  if ($w->window_end_valid != Qnil)
    xgetint $w->window_end_pos
    printf "pos=%d", $int
    xgetint $w->window_end_vpos
    printf " vpos=%d", $int
  else
    printf "invalid"
  end
  printf " vscroll=%d", $w->vscroll
  if ($w->force_start != Qnil)
    printf " FORCE_START"
  end
  if ($w->must_be_updated_p)
    printf " MUST_UPD"
  end
  printf "\n"
  printf "cursor: "
  pcursorx $w->cursor
  printf "  phys: "
  pcursorx $w->phys_cursor
  if ($w->phys_cursor_on_p)
    printf " ON"
  else
    printf " OFF"
  end
  printf " blk="
  if ($w->last_cursor_off_p != $w->cursor_off_p)
    if ($w->last_cursor_off_p)
      printf "ON->"
    else
      printf "OFF->"
    end
  end
  if ($w->cursor_off_p)
    printf "ON"
  else
    printf "OFF"
  end
  printf "\n"
end
document pwinx
Pretty print a window structure.
Takes one argument, a pointer to a window structure.
end

define pwin
  pwinx w
end
document pwin
Pretty print window structure w.
end

define pbiditype
  if ($arg0 == 0)
    printf "UNDEF"
  end
  if ($arg0 == 1)
    printf "L"
  end
  if ($arg0 == 2)
    printf "R"
  end
  if ($arg0 == 3)
    printf "EN"
  end
  if ($arg0 == 4)
    printf "AN"
  end
  if ($arg0 == 5)
    printf "BN"
  end
  if ($arg0 == 6)
    printf "B"
  end
  if ($arg0 < 0 || $arg0 > 6)
    printf "%d??", $arg0
  end
end
document pbiditype
Print textual description of bidi type given as first argument.
end

define pgx
  set $g = $arg0
  # CHAR_GLYPH
  if ($g->type == 0)
    if ($g->u.ch >= ' ' && $g->u.ch < 127)
      printf "CHAR[%c]", $g->u.ch
    else
      printf "CHAR[0x%x]", $g->u.ch
    end
  end
  # COMPOSITE_GLYPH
  if ($g->type == 1)
    printf "COMP[%d (%d..%d)]", $g->u.cmp.id, $g->slice.cmp.from, $g->slice.cmp.to
  end
  # GLYPHLESS_GLYPH
  if ($g->type == 2)
    printf "GLYPHLESS["
    if ($g->u.glyphless.method == 0)
      printf "THIN]"
    end
    if ($g->u.glyphless.method == 1)
      printf "EMPTY]"
    end
    if ($g->u.glyphless.method == 2)
      printf "ACRO]"
    end
    if ($g->u.glyphless.method == 3)
      printf "HEX]"
    end
  end
  # IMAGE_GLYPH
  if ($g->type == 3)
    printf "IMAGE[%d]", $g->u.img_id
  end
  # STRETCH_GLYPH
  if ($g->type == 4)
    printf "STRETCH[%d+%d]", $g->u.stretch.height, $g->u.stretch.ascent
  end
  xgettype ($g->object)
  if ($type == Lisp_String)
    printf " str=%x[%d]", $g->object, $g->charpos
  else
    printf " pos=%d", $g->charpos
  end
  # For characters, print their resolved level and bidi type
  if ($g->type == 0)
    printf " blev=%d,btyp=", $g->resolved_level
    pbiditype $g->bidi_type
  end
  printf " w=%d a+d=%d+%d", $g->pixel_width, $g->ascent, $g->descent
  # If not DEFAULT_FACE_ID
  if ($g->face_id != 0)
    printf " face=%d", $g->face_id
  end
  if ($g->voffset)
    printf " vof=%d", $g->voffset
  end
  if ($g->multibyte_p)
    printf " MB"
  end
  if ($g->padding_p)
    printf " PAD"
  end
  if ($g->glyph_not_available_p)
    printf " N/A"
  end
  if ($g->overlaps_vertically_p)
    printf " OVL"
  end
  if ($g->avoid_cursor_p)
    printf " AVOID"
  end
  if ($g->left_box_line_p)
    printf " ["
  end
  if ($g->right_box_line_p)
    printf " ]"
  end
  if ($g->slice.img.x || $g->slice.img.y || $g->slice.img.width || $g->slice.img.height)
    printf " slice=%d,%d,%d,%d" ,$g->slice.img.x, $g->slice.img.y, $g->slice.img.width, $g->slice.img.height
  end
  printf "\n"
end
document pgx
Pretty print a glyph structure.
Takes one argument, a pointer to a glyph structure.
end

define pg
  set $pgidx = 0
  pgx glyph
end
document pg
Pretty print glyph structure glyph.
end

define pgi
  set $pgidx = $arg0
  pgx (&glyph[$pgidx])
end
document pgi
Pretty print glyph structure glyph[I].
Takes one argument, a integer I.
end

define pgn
  set $pgidx = $pgidx + 1
  pgx (&glyph[$pgidx])
end
document pgn
Pretty print next glyph structure.
end

define pgrowx
  set $row = $arg0
  set $area = 0
  set $xofs = $row->x
  while ($area < 3)
    set $used = $row->used[$area]
    if ($used > 0)
      set $gl0 = $row->glyphs[$area]
      set $pgidx = 0
      printf "%s: %d glyphs\n", ($area == 0 ? "LEFT" : $area == 2 ? "RIGHT" : "TEXT"), $used
      while ($pgidx < $used)
	printf "%3d %4d: ", $pgidx, $xofs
	pgx $gl0[$pgidx]
	set $xofs = $xofs + $gl0[$pgidx]->pixel_width
	set $pgidx = $pgidx + 1
      end
    end
    set $area = $area + 1
  end
end
document pgrowx
Pretty print all glyphs in a row structure.
Takes one argument, a pointer to a row structure.
end

define pgrow
  pgrowx row
end
document pgrow
Pretty print all glyphs in row structure row.
end

define pgrowit
  pgrowx it->glyph_row
end
document pgrowit
Pretty print all glyphs in it->glyph_row.
end

define prowlims
  printf "edges=(%d,%d),r2l=%d,cont=%d,trunc=(%d,%d),at_zv=%d\n", $arg0->minpos.charpos, $arg0->maxpos.charpos, $arg0->reversed_p, $arg0->continued_p, $arg0->truncated_on_left_p, $arg0->truncated_on_right_p, $arg0->ends_at_zv_p
end
document prowlims
Print important attributes of a glyph_row structure.
Takes one argument, a pointer to a glyph_row structure.
end

define pmtxrows
  set $mtx = $arg0
  set $gl = $mtx->rows
  set $glend = $mtx->rows + $mtx->nrows - 1
  set $i = 0
  while ($gl < $glend)
    printf "%d: ", $i
    prowlims $gl
    set $gl = $gl + 1
    set $i = $i + 1
  end
end
document pmtxrows
Print data about glyph rows in a glyph matrix.
Takes one argument, a pointer to a glyph_matrix structure.
end

define xtype
  xgettype $
  output $type
  echo \n
  if $type == Lisp_Misc
    xmisctype
  else
    if $type == Lisp_Vectorlike
      xvectype
    end
  end
end
document xtype
Print the type of $, assuming it is an Emacs Lisp value.
If the first type printed is Lisp_Vector or Lisp_Misc,
a second line gives the more precise type.
end

define xvectype
  xgetptr $
  set $size = ((struct Lisp_Vector *) $ptr)->size
  output ($size & PVEC_FLAG) ? (enum pvec_type) ($size & PVEC_TYPE_MASK) : $size & ~gdb_array_mark_flag
  echo \n
end
document xvectype
Print the size or vector subtype of $.
This command assumes that $ is a vector or pseudovector.
end

define xmisctype
  xgetptr $
  output (enum Lisp_Misc_Type) (((struct Lisp_Free *) $ptr)->type)
  echo \n
end
document xmisctype
Assume that $ is some misc type and print its specific type.
end

define xint
  xgetint $
  print $int
end
document xint
Print $ as an Emacs Lisp integer.  This gets the sign right.
end

define xptr
  xgetptr $
  print (void *) $ptr
end
document xptr
Print the pointer portion of an Emacs Lisp value in $.
end

define xmarker
  xgetptr $
  print (struct Lisp_Marker *) $ptr
end
document xmarker
Print $ as a marker pointer.
This command assumes that $ is an Emacs Lisp marker value.
end

define xoverlay
  xgetptr $
  print (struct Lisp_Overlay *) $ptr
end
document xoverlay
Print $ as a overlay pointer.
This command assumes that $ is an Emacs Lisp overlay value.
end

define xmiscfree
  xgetptr $
  print (struct Lisp_Free *) $ptr
end
document xmiscfree
Print $ as a misc free-cell pointer.
This command assumes that $ is an Emacs Lisp Misc value.
end

define xintfwd
  xgetptr $
  print (struct Lisp_Intfwd *) $ptr
end
document xintfwd
Print $ as an integer forwarding pointer.
This command assumes that $ is an Emacs Lisp Misc value.
end

define xboolfwd
  xgetptr $
  print (struct Lisp_Boolfwd *) $ptr
end
document xboolfwd
Print $ as a boolean forwarding pointer.
This command assumes that $ is an Emacs Lisp Misc value.
end

define xobjfwd
  xgetptr $
  print (struct Lisp_Objfwd *) $ptr
end
document xobjfwd
Print $ as an object forwarding pointer.
This command assumes that $ is an Emacs Lisp Misc value.
end

define xbufobjfwd
  xgetptr $
  print (struct Lisp_Buffer_Objfwd *) $ptr
end
document xbufobjfwd
Print $ as a buffer-local object forwarding pointer.
This command assumes that $ is an Emacs Lisp Misc value.
end

define xkbobjfwd
  xgetptr $
  print (struct Lisp_Kboard_Objfwd *) $ptr
end
document xkbobjfwd
Print $ as a kboard-local object forwarding pointer.
This command assumes that $ is an Emacs Lisp Misc value.
end

define xbuflocal
  xgetptr $
  print (struct Lisp_Buffer_Local_Value *) $ptr
end
document xbuflocal
Print $ as a buffer-local-value pointer.
This command assumes that $ is an Emacs Lisp Misc value.
end

define xsymbol
  set $sym = $
  xgetptr $sym
  print (struct Lisp_Symbol *) $ptr
  xprintsym $sym
  echo \n
end
document xsymbol
Print the name and address of the symbol $.
This command assumes that $ is an Emacs Lisp symbol value.
end

define xstring
  xgetptr $
  print (struct Lisp_String *) $ptr
  xprintstr $
  echo \n
end
document xstring
Print the contents and address of the string $.
This command assumes that $ is an Emacs Lisp string value.
end

define xvector
  xgetptr $
  print (struct Lisp_Vector *) $ptr
  output ($->size > 50) ? 0 : ($->contents[0])@($->size & ~gdb_array_mark_flag)
echo \n
end
document xvector
Print the contents and address of the vector $.
This command assumes that $ is an Emacs Lisp vector value.
end

define xprocess
  xgetptr $
  print (struct Lisp_Process *) $ptr
  output *$
  echo \n
end
document xprocess
Print the address of the struct Lisp_process to which $ points.
This command assumes that $ is a Lisp_Object.
end

define xframe
  xgetptr $
  print (struct frame *) $ptr
  xgetptr $->name
  set $ptr = (struct Lisp_String *) $ptr
  xprintstr $ptr
  echo \n
end
document xframe
Print $ as a frame pointer.
This command assumes $ is an Emacs Lisp frame value.
end

define xcompiled
  xgetptr $
  print (struct Lisp_Vector *) $ptr
  output ($->contents[0])@($->size & 0xff)
end
document xcompiled
Print $ as a compiled function pointer.
This command assumes that $ is an Emacs Lisp compiled value.
end

define xwindow
  xgetptr $
  print (struct window *) $ptr
  set $window = (struct window *) $ptr
  xgetint $window->total_cols
  set $width=$int
  xgetint $window->total_lines
  set $height=$int
  xgetint $window->left_col
  set $left=$int
  xgetint $window->top_line
  set $top=$int
  printf "%dx%d+%d+%d\n", $width, $height, $left, $top
end
document xwindow
Print $ as a window pointer, assuming it is an Emacs Lisp window value.
Print the window's position as "WIDTHxHEIGHT+LEFT+TOP".
end

define xwinconfig
  xgetptr $
  print (struct save_window_data *) $ptr
end
document xwinconfig
Print $ as a window configuration pointer.
This command assumes that $ is an Emacs Lisp window configuration value.
end

define xsubr
  xgetptr $
  print (struct Lisp_Subr *) $ptr
  output *$
  echo \n
end
document xsubr
Print the address of the subr which the Lisp_Object $ points to.
end

define xchartable
  xgetptr $
  print (struct Lisp_Char_Table *) $ptr
  printf "Purpose: "
  xprintsym $->purpose
  printf "  %d extra slots", ($->size & 0x1ff) - 68
  echo \n
end
document xchartable
Print the address of the char-table $, and its purpose.
This command assumes that $ is an Emacs Lisp char-table value.
end

define xsubchartable
  xgetptr $
  print (struct Lisp_Sub_Char_Table *) $ptr
  xgetint $->depth
  set $depth = $int
  xgetint $->min_char
  printf "Depth: %d, Min char: %d (0x%x)\n", $depth, $int, $int
end
document xsubchartable
Print the address of the sub-char-table $, its depth and min-char.
This command assumes that $ is an Emacs Lisp sub-char-table value.
end

define xboolvector
  xgetptr $
  print (struct Lisp_Bool_Vector *) $ptr
  output ($->size > 256) ? 0 : ($->data[0])@((($->size & ~gdb_array_mark_flag) + 7)/ 8)
  echo \n
end
document xboolvector
Print the contents and address of the bool-vector $.
This command assumes that $ is an Emacs Lisp bool-vector value.
end

define xbuffer
  xgetptr $
  print (struct buffer *) $ptr
  xgetptr $->name
  output ((struct Lisp_String *) $ptr)->data
  echo \n
end
document xbuffer
Set $ as a buffer pointer and the name of the buffer.
This command assumes $ is an Emacs Lisp buffer value.
end

define xhashtable
  xgetptr $
  print (struct Lisp_Hash_Table *) $ptr
end
document xhashtable
Set $ as a hash table pointer.
This command assumes that $ is an Emacs Lisp hash table value.
end

define xcons
  xgetptr $
  print (struct Lisp_Cons *) $ptr
  output/x *$
  echo \n
end
document xcons
Print the contents of $ as an Emacs Lisp cons.
end

define nextcons
  p $.u.cdr
  xcons
end
document nextcons
Print the contents of the next cell in a list.
This command assumes that the last thing you printed was a cons cell contents
(type struct Lisp_Cons) or a pointer to one.
end
define xcar
  xgetptr $
  xgettype $
  print/x ($type == Lisp_Cons ? ((struct Lisp_Cons *) $ptr)->car : 0)
end
document xcar
Assume that $ is an Emacs Lisp pair and print its car.
end

define xcdr
  xgetptr $
  xgettype $
  print/x ($type == Lisp_Cons ? ((struct Lisp_Cons *) $ptr)->u.cdr : 0)
end
document xcdr
Assume that $ is an Emacs Lisp pair and print its cdr.
end

define xlist
  xgetptr $
  set $cons = (struct Lisp_Cons *) $ptr
  xgetptr Qnil
  set $nil = $ptr
  set $i = 0
  while $cons != $nil && $i < 10
    p/x $cons->car
    xpr
    xgetptr $cons->u.cdr
    set $cons = (struct Lisp_Cons *) $ptr
    set $i = $i + 1
    printf "---\n"
  end
  if $cons == $nil
    printf "nil\n"
  else
    printf "...\n"
    p $ptr
  end
end
document xlist
Print $ assuming it is a list.
end

define xfloat
  xgetptr $
  print ((struct Lisp_Float *) $ptr)->u.data
end
document xfloat
Print $ assuming it is a lisp floating-point number.
end

define xscrollbar
  xgetptr $
  print (struct scrollbar *) $ptr
output *$
echo \n
end
document xscrollbar
Print $ as a scrollbar pointer.
end

define xpr
  xtype
  if $type == Lisp_Int
    xint
  end
  if $type == Lisp_Symbol
    xsymbol
  end
  if $type == Lisp_String
    xstring
  end
  if $type == Lisp_Cons
    xcons
  end
  if $type == Lisp_Float
    xfloat
  end
  if $type == Lisp_Misc
    set $misc = (enum Lisp_Misc_Type) (((struct Lisp_Free *) $ptr)->type)
    if $misc == Lisp_Misc_Free
      xmiscfree
    end
    if $misc == Lisp_Misc_Boolfwd
      xboolfwd
    end
    if $misc == Lisp_Misc_Marker
      xmarker
    end
    if $misc == Lisp_Misc_Intfwd
      xintfwd
    end
    if $misc == Lisp_Misc_Boolfwd
      xboolfwd
    end
    if $misc == Lisp_Misc_Objfwd
      xobjfwd
    end
    if $misc == Lisp_Misc_Buffer_Objfwd
      xbufobjfwd
    end
    if $misc == Lisp_Misc_Buffer_Local_Value
      xbuflocal
    end
#    if $misc == Lisp_Misc_Some_Buffer_Local_Value
#      xvalue
#    end
    if $misc == Lisp_Misc_Overlay
      xoverlay
    end
    if $misc == Lisp_Misc_Kboard_Objfwd
      xkbobjfwd
    end
#    if $misc == Lisp_Misc_Save_Value
#      xsavevalue
#    end
  end
  if $type == Lisp_Vectorlike
    set $size = ((struct Lisp_Vector *) $ptr)->size
    if ($size & PVEC_FLAG)
      set $vec = (enum pvec_type) ($size & PVEC_TYPE_MASK)
      if $vec == PVEC_NORMAL_VECTOR
	xvector
      end
      if $vec == PVEC_PROCESS
	xprocess
      end
      if $vec == PVEC_FRAME
	xframe
      end
      if $vec == PVEC_COMPILED
	xcompiled
      end
      if $vec == PVEC_WINDOW
	xwindow
      end
      if $vec == PVEC_WINDOW_CONFIGURATION
	xwinconfig
      end
      if $vec == PVEC_SUBR
	xsubr
      end
      if $vec == PVEC_CHAR_TABLE
	xchartable
      end
      if $vec == PVEC_BOOL_VECTOR
	xboolvector
      end
      if $vec == PVEC_BUFFER
	xbuffer
      end
      if $vec == PVEC_HASH_TABLE
	xhashtable
      end
    else
      xvector
    end
  end
end
document xpr
Print $ as a lisp object of any type.
end

define xprintstr
  set $data = (char *) $arg0->data
  output ($arg0->size > 1000) ? 0 : ($data[0])@($arg0->size_byte < 0 ? $arg0->size & ~gdb_array_mark_flag : $arg0->size_byte)
end

define xprintsym
  xgetptr $arg0
  set $sym = (struct Lisp_Symbol *) $ptr
  xgetptr $sym->xname
  set $sym_name = (struct Lisp_String *) $ptr
  xprintstr $sym_name
end
document xprintsym
  Print argument as a symbol.
end

define xcoding
  set $tmp = (struct Lisp_Hash_Table *) ((Vcoding_system_hash_table & $valmask) | gdb_data_seg_bits)
  set $tmp = (struct Lisp_Vector *) (($tmp->key_and_value & $valmask) | gdb_data_seg_bits)
  set $name = $tmp->contents[$arg0 * 2]
  print $name
  pr
  print $tmp->contents[$arg0 * 2 + 1]
  pr
end
document xcoding
  Print the name and attributes of coding system that has ID (argument).
end

define xcharset
  set $tmp = (struct Lisp_Hash_Table *) ((Vcharset_hash_table & $valmask) | gdb_data_seg_bits)
  set $tmp = (struct Lisp_Vector *) (($tmp->key_and_value & $valmask) | gdb_data_seg_bits)
  p $tmp->contents[charset_table[$arg0].hash_index * 2]
  pr
end
document xcharset
  Print the name of charset that has ID (argument).
end

define xfontset
  xgetptr $
  set $tbl = (struct Lisp_Char_Table *) $ptr
  print $tbl
  xgetint $tbl->extras[0]
  printf " ID:%d", $int
  xgettype $tbl->extras[1]
  xgetptr $tbl->extras[1]
  if $type == Lisp_String
    set $ptr = (struct Lisp_String *) $ptr
    printf " Name:"
    xprintstr $ptr
  else
    xgetptr $tbl->extras[2]
    set $ptr = (struct Lisp_Char_Table *) $ptr
    xgetptr $ptr->extras[1]
    set $ptr = (struct Lisp_String *) $ptr
    printf " Realized from:"
    xprintstr $ptr
  end
  echo \n
end

define xfont
  xgetptr $
  set $size = (((struct Lisp_Vector *) $ptr)->size & 0x1FF)
  if $size == FONT_SPEC_MAX
    print (struct font_spec *) $ptr
  else
    if $size == FONT_ENTITY_MAX
      print (struct font_entity *) $ptr
    else
      print (struct font *) $ptr
    end
  end
end
document xfont
Print $ assuming it is a list font (font-spec, font-entity, or font-object).
end

define xbacktrace
  set $bt = backtrace_list
  while $bt
    xgettype (*$bt->function)
    if $type == Lisp_Symbol
      xprintsym (*$bt->function)
      printf " (0x%x)\n", $bt->args
    else
      xgetptr *$bt->function
      printf "0x%x ", $ptr
      if $type == Lisp_Vectorlike
	xgetptr (*$bt->function)
        set $size = ((struct Lisp_Vector *) $ptr)->size
        output ($size & PVEC_FLAG) ? (enum pvec_type) ($size & PVEC_TYPE_MASK) : $size & ~gdb_array_mark_flag
      else
        printf "Lisp type %d", $type
      end
      echo \n
    end
    set $bt = $bt->next
  end
end
document xbacktrace
  Print a backtrace of Lisp function calls from backtrace_list.
  Set a breakpoint at Fsignal and call this to see from where
  an error was signaled.
end

define which
  set debug_print (which_symbols ($arg0))
end
document which
  Print symbols which references a given lisp object
  either as its symbol value or symbol function.
end

define xbytecode
  set $bt = byte_stack_list
  while $bt
    xgettype ($bt->byte_string)
    printf "0x%x => ", $bt->byte_string
    which $bt->byte_string
    set $bt = $bt->next
  end
end
document xbytecode
  Print a backtrace of the byte code stack.
end

# Show Lisp backtrace after normal backtrace.
define hookpost-backtrace
  set $bt = backtrace_list
  if $bt
    echo \n
    echo Lisp Backtrace:\n
    xbacktrace
  end
end

define xreload
  set $tagmask = (((long)1 << gdb_gctypebits) - 1)
  set $valmask = gdb_use_lsb ? ~($tagmask) : ((long)1 << gdb_valbits) - 1
end
document xreload
  When starting Emacs a second time in the same gdb session under
  FreeBSD 2.2.5, gdb 4.13, $valmask have lost
  their values.  (The same happens on current (2000) versions of GNU/Linux
  with gdb 5.0.)
  This function reloads them.
end
xreload

# Flush display (X only)
define ff
  set x_flush (0)
end
document ff
Flush pending X window display updates to screen.
Works only when an inferior emacs is executing.
end


define hook-run
  xreload
end

# Call xreload if a new Emacs executable is loaded.
define hookpost-run
  xreload
end

set print pretty on
set print sevenbit-strings

show environment DISPLAY
show environment TERM

# People get bothered when they see messages about non-existent functions...
xgetptr Vsystem_type
# $ptr is NULL in temacs
if ($ptr != 0)
  set $tem = (struct Lisp_Symbol *) $ptr
  xgetptr $tem->xname
  set $tem = (struct Lisp_String *) $ptr
  set $tem = (char *) $tem->data

  # Don't let abort actually run, as it will make stdio stop working and
  # therefore the `pr' command above as well.
  if $tem[0] == 'w' && $tem[1] == 'i' && $tem[2] == 'n' && $tem[3] == 'd'
    # The windows-nt build replaces abort with its own function.
    break w32_abort
  else
    break abort
  end
end

# x_error_quitter is defined only on X.  But window-system is set up
# only at run time, during Emacs startup, so we need to defer setting
# the breakpoint.  init_sys_modes is the first function called on
# every platform after init_display, where window-system is set.
tbreak init_sys_modes
commands
  silent
  xgetptr Vinitial_window_system
  set $tem = (struct Lisp_Symbol *) $ptr
  xgetptr $tem->xname
  set $tem = (struct Lisp_String *) $ptr
  set $tem = (char *) $tem->data
  # If we are running in synchronous mode, we want a chance to look
  # around before Emacs exits.  Perhaps we should put the break
  # somewhere else instead...
  if $tem[0] == 'x' && $tem[1] == '\0'
    break x_error_quitter
  end
  continue
end