aboutsummaryrefslogtreecommitdiff
path: root/gdb/defs.h
blob: e5990c7c88072c23aa1a920f112733509274cabc (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
/* *INDENT-OFF* */ /* ATTR_FORMAT confuses indent, avoid running it for now */
/* Basic, host-specific, and target-specific definitions for GDB.
   Copyright (C) 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
   1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008
   Free Software Foundation, Inc.

   This file is part of GDB.

   This program 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 of the License, or
   (at your option) any later version.

   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  */

#ifndef DEFS_H
#define DEFS_H

#include "config.h"		/* Generated by configure.  */

#include <sys/types.h>
#include <stdio.h>
#include <errno.h>		/* System call error return status.  */
#include <limits.h>
#include <stdint.h>

#ifdef HAVE_STDDEF_H
#include <stddef.h>
#endif

#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif

#include <fcntl.h>

/* First include ansidecl.h so we can use the various macro definitions
   here and in all subsequent file inclusions.  */

#include "ansidecl.h"

#include "gdb_locale.h"

/* For ``enum target_signal''.  */
#include "gdb/signals.h"

/* Just in case they're not defined in stdio.h.  */

#ifndef SEEK_SET
#define SEEK_SET 0
#endif
#ifndef SEEK_CUR
#define SEEK_CUR 1
#endif

/* The O_BINARY flag is defined in fcntl.h on some non-Posix platforms.
   It is used as an access modifier in calls to open(), where it acts
   similarly to the "b" character in fopen()'s MODE argument. On Posix
   platforms it should be a no-op, so it is defined as 0 here. This 
   ensures that the symbol may be used freely elsewhere in gdb. */

#ifndef O_BINARY
#define O_BINARY 0
#endif

#include <stdarg.h>		/* For va_list.  */

#include "libiberty.h"

/* Rather than duplicate all the logic in BFD for figuring out what
   types to use (which can be pretty complicated), symply define them
   in terms of the corresponding type from BFD.  */

#include "bfd.h"

/* A byte from the program being debugged.  */
typedef bfd_byte gdb_byte;

/* An address in the program being debugged.  Host byte order.  */
typedef bfd_vma CORE_ADDR;

/* The largest CORE_ADDR value.  */
#define CORE_ADDR_MAX (~ (CORE_ADDR) 0)

/* This is to make sure that LONGEST is at least as big as CORE_ADDR.  */

#ifndef LONGEST

#ifdef BFD64

#define LONGEST BFD_HOST_64_BIT
#define ULONGEST BFD_HOST_U_64_BIT

#else /* No BFD64 */

#ifdef CC_HAS_LONG_LONG
#define LONGEST long long
#define ULONGEST unsigned long long
#else
#ifdef BFD_HOST_64_BIT
/* BFD_HOST_64_BIT is defined for some hosts that don't have long long
   (e.g. i386-windows) so try it.  */
#define LONGEST BFD_HOST_64_BIT
#define ULONGEST BFD_HOST_U_64_BIT
#else
#define LONGEST long
#define ULONGEST unsigned long
#endif
#endif

#endif /* No BFD64 */

#endif /* ! LONGEST */

#ifndef min
#define min(a, b) ((a) < (b) ? (a) : (b))
#endif
#ifndef max
#define max(a, b) ((a) > (b) ? (a) : (b))
#endif

/* Check if a character is one of the commonly used C++ marker characters.  */
extern int is_cplus_marker (int);

/* enable xdb commands if set */
extern int xdb_commands;

/* enable dbx commands if set */
extern int dbx_commands;

/* System root path, used to find libraries etc.  */
extern char *gdb_sysroot;

/* Search path for separate debug files.  */
extern char *debug_file_directory;

extern int quit_flag;
extern int immediate_quit;
extern int sevenbit_strings;

extern void quit (void);

/* FIXME: cagney/2000-03-13: It has been suggested that the peformance
   benefits of having a ``QUIT'' macro rather than a function are
   marginal.  If the overhead of a QUIT function call is proving
   significant then its calling frequency should probably be reduced
   [kingdon].  A profile analyzing the current situtation is
   needed. */

#define QUIT { \
  if (quit_flag) quit (); \
  if (deprecated_interactive_hook) deprecated_interactive_hook (); \
}

/* Languages represented in the symbol table and elsewhere.
   This should probably be in language.h, but since enum's can't
   be forward declared to satisfy opaque references before their
   actual definition, needs to be here. */

enum language
  {
    language_unknown,		/* Language not known */
    language_auto,		/* Placeholder for automatic setting */
    language_c,			/* C */
    language_cplus,		/* C++ */
    language_objc,		/* Objective-C */
    language_java,		/* Java */
    language_fortran,		/* Fortran */
    language_m2,		/* Modula-2 */
    language_asm,		/* Assembly language */
    language_pascal,		/* Pascal */
    language_ada,		/* Ada */
    language_scm,		/* Guile Scheme */
    language_minimal,		/* All other languages, minimal support only */
    nr_languages
  };

enum precision_type
  {
    single_precision,
    double_precision,
    unspecified_precision
  };

/* A generic, not quite boolean, enumeration.  */
enum auto_boolean
{
  AUTO_BOOLEAN_TRUE,
  AUTO_BOOLEAN_FALSE,
  AUTO_BOOLEAN_AUTO
};

/* Potential ways that a function can return a value of a given type.  */
enum return_value_convention
{
  /* Where the return value has been squeezed into one or more
     registers.  */
  RETURN_VALUE_REGISTER_CONVENTION,
  /* Commonly known as the "struct return convention".  The caller
     passes an additional hidden first parameter to the caller.  That
     parameter contains the address at which the value being returned
     should be stored.  While typically, and historically, used for
     large structs, this is convention is applied to values of many
     different types.  */
  RETURN_VALUE_STRUCT_CONVENTION,
  /* Like the "struct return convention" above, but where the ABI
     guarantees that the called function stores the address at which
     the value being returned is stored in a well-defined location,
     such as a register or memory slot in the stack frame.  Don't use
     this if the ABI doesn't explicitly guarantees this.  */
  RETURN_VALUE_ABI_RETURNS_ADDRESS,
  /* Like the "struct return convention" above, but where the ABI
     guarantees that the address at which the value being returned is
     stored will be available in a well-defined location, such as a
     register or memory slot in the stack frame.  Don't use this if
     the ABI doesn't explicitly guarantees this.  */
  RETURN_VALUE_ABI_PRESERVES_ADDRESS,
};

/* the cleanup list records things that have to be undone
   if an error happens (descriptors to be closed, memory to be freed, etc.)
   Each link in the chain records a function to call and an
   argument to give it.

   Use make_cleanup to add an element to the cleanup chain.
   Use do_cleanups to do all cleanup actions back to a given
   point in the chain.  Use discard_cleanups to remove cleanups
   from the chain back to a given point, not doing them.  

   If the argument is pointer to allocated memory, then you need to
   to additionally set the 'free_arg' member to a function that will
   free that memory.  This function will be called both when the cleanup
   is executed and when it's discarded.  */

struct cleanup
  {
    struct cleanup *next;
    void (*function) (void *);
    void (*free_arg) (void *);
    void *arg;
  };


/* The ability to declare that a function never returns is useful, but
   not really required to compile GDB successfully, so the NORETURN and
   ATTR_NORETURN macros normally expand into nothing.  */

/* If compiling with older versions of GCC, a function may be declared
   "volatile" to indicate that it does not return.  */

#ifndef NORETURN
#if defined(__GNUC__) \
     && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
#define NORETURN volatile
#else
#define NORETURN		/* nothing */
#endif
#endif

/* GCC 2.5 and later versions define a function attribute "noreturn",
   which is the preferred way to declare that a function never returns.
   However GCC 2.7 appears to be the first version in which this fully
   works everywhere we use it. */

#ifndef ATTR_NORETURN
#if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7))
#define ATTR_NORETURN __attribute__ ((noreturn))
#else
#define ATTR_NORETURN		/* nothing */
#endif
#endif

#ifndef ATTR_FORMAT
#if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 4))
#define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
#else
#define ATTR_FORMAT(type, x, y)	/* nothing */
#endif
#endif

/* Be conservative and use enum bitfields only with GCC.
   This is copied from gcc 3.3.1, system.h.  */

#if defined(__GNUC__) && (__GNUC__ >= 2)
#define ENUM_BITFIELD(TYPE) enum TYPE
#else
#define ENUM_BITFIELD(TYPE) unsigned int
#endif

/* Needed for various prototypes */

struct symtab;
struct breakpoint;
struct frame_info;

/* From utils.c */

extern void initialize_utils (void);

extern void notice_quit (void);

extern int strcmp_iw (const char *, const char *);

extern int strcmp_iw_ordered (const char *, const char *);

extern int streq (const char *, const char *);

extern int subset_compare (char *, char *);

extern char *safe_strerror (int);

#define	ALL_CLEANUPS	((struct cleanup *)0)

extern void do_cleanups (struct cleanup *);
extern void do_final_cleanups (struct cleanup *);

extern void discard_cleanups (struct cleanup *);
extern void discard_final_cleanups (struct cleanup *);
extern void discard_my_cleanups (struct cleanup **, struct cleanup *);

/* NOTE: cagney/2000-03-04: This typedef is strictly for the
   make_cleanup function declarations below. Do not use this typedef
   as a cast when passing functions into the make_cleanup() code.
   Instead either use a bounce function or add a wrapper function.
   Calling a f(char*) function with f(void*) is non-portable. */
typedef void (make_cleanup_ftype) (void *);

extern struct cleanup *make_cleanup (make_cleanup_ftype *, void *);

extern struct cleanup *make_cleanup_dtor (make_cleanup_ftype *, void *,
					  void (*dtor) (void *));

extern struct cleanup *make_cleanup_freeargv (char **);

struct ui_file;
extern struct cleanup *make_cleanup_ui_file_delete (struct ui_file *);

struct section_addr_info;
extern struct cleanup *(make_cleanup_free_section_addr_info 
                        (struct section_addr_info *));

extern struct cleanup *make_cleanup_close (int fd);

extern struct cleanup *make_cleanup_bfd_close (bfd *abfd);

extern struct cleanup *make_cleanup_restore_integer (int *variable);

extern struct cleanup *make_final_cleanup (make_cleanup_ftype *, void *);

extern struct cleanup *make_my_cleanup (struct cleanup **,
					make_cleanup_ftype *, void *);

extern struct cleanup *make_my_cleanup2 (struct cleanup **,
					 make_cleanup_ftype *, void *,
					 void (*free_arg) (void *));

extern struct cleanup *save_cleanups (void);
extern struct cleanup *save_final_cleanups (void);
extern struct cleanup *save_my_cleanups (struct cleanup **);

extern void restore_cleanups (struct cleanup *);
extern void restore_final_cleanups (struct cleanup *);
extern void restore_my_cleanups (struct cleanup **, struct cleanup *);

extern void free_current_contents (void *);

extern void null_cleanup (void *);

extern int myread (int, char *, int);

extern int query (const char *, ...) ATTR_FORMAT (printf, 1, 2);
extern int nquery (const char *, ...) ATTR_FORMAT (printf, 1, 2);
extern int yquery (const char *, ...) ATTR_FORMAT (printf, 1, 2);

extern void init_page_info (void);

extern char *gdb_realpath (const char *);
extern char *xfullpath (const char *);

extern unsigned long gnu_debuglink_crc32 (unsigned long crc,
                                          unsigned char *buf, size_t len);

ULONGEST strtoulst (const char *num, const char **trailer, int base);

char *ldirname (const char *filename);

/* From demangle.c */

extern void set_demangling_style (char *);


/* Annotation stuff.  */

extern int annotation_level;	/* in stack.c */

extern void begin_line (void);

extern void wrap_here (char *);

extern void reinitialize_more_filter (void);

/* Normal results */
extern struct ui_file *gdb_stdout;
/* Input stream */
extern struct ui_file *gdb_stdin;
/* Serious error notifications */
extern struct ui_file *gdb_stderr;
/* Log/debug/trace messages that should bypass normal stdout/stderr
   filtering.  For moment, always call this stream using
   *_unfiltered. In the very near future that restriction shall be
   removed - either call shall be unfiltered. (cagney 1999-06-13). */
extern struct ui_file *gdb_stdlog;
/* Target output that should bypass normal stdout/stderr filtering.
   For moment, always call this stream using *_unfiltered. In the
   very near future that restriction shall be removed - either call
   shall be unfiltered. (cagney 1999-07-02). */
extern struct ui_file *gdb_stdtarg;
extern struct ui_file *gdb_stdtargerr;
extern struct ui_file *gdb_stdtargin;

#include "ui-file.h"

/* More generic printf like operations.  Filtered versions may return
   non-locally on error.  */

extern void fputs_filtered (const char *, struct ui_file *);

extern void fputs_unfiltered (const char *, struct ui_file *);

extern int fputc_filtered (int c, struct ui_file *);

extern int fputc_unfiltered (int c, struct ui_file *);

extern int putchar_filtered (int c);

extern int putchar_unfiltered (int c);

extern void puts_filtered (const char *);

extern void puts_unfiltered (const char *);

extern void puts_filtered_tabular (char *string, int width, int right);

extern void puts_debug (char *prefix, char *string, char *suffix);

extern void vprintf_filtered (const char *, va_list) ATTR_FORMAT (printf, 1, 0);

extern void vfprintf_filtered (struct ui_file *, const char *, va_list) ATTR_FORMAT (printf, 2, 0);

extern void fprintf_filtered (struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 2, 3);

extern void fprintfi_filtered (int, struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 3, 4);

extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf, 1, 2);

extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf, 2, 3);

extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf, 1, 0);

extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list) ATTR_FORMAT (printf, 2, 0);

extern void fprintf_unfiltered (struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 2, 3);

extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (printf, 1, 2);

extern void print_spaces (int, struct ui_file *);

extern void print_spaces_filtered (int, struct ui_file *);

extern char *n_spaces (int);

extern void fputstr_filtered (const char *str, int quotr, struct ui_file * stream);

extern void fputstr_unfiltered (const char *str, int quotr, struct ui_file * stream);

extern void fputstrn_filtered (const char *str, int n, int quotr, struct ui_file * stream);

extern void fputstrn_unfiltered (const char *str, int n, int quotr, struct ui_file * stream);

/* Display the host ADDR on STREAM formatted as ``0x%x''. */
extern void gdb_print_host_address (const void *addr, struct ui_file *stream);

extern const char *host_address_to_string (const void *addr);

/* Convert a CORE_ADDR into a HEX string.  paddr() is like %08lx.
   paddr_nz() is like %lx.  */
extern int strlen_paddr (void);
extern char *paddr (CORE_ADDR addr);
extern char *paddr_nz (CORE_ADDR addr);

/* Like 0x%lx.  */
extern const char *paddress (CORE_ADDR addr);

/* %d for LONGEST */
extern char *plongest (LONGEST l);
/* %u for ULONGEST */
extern char *pulongest (ULONGEST l);

extern char *phex (ULONGEST l, int sizeof_l);
extern char *phex_nz (ULONGEST l, int sizeof_l);
extern char *int_string (LONGEST, int, int, int, int);

/* Like paddr() only print/scan raw CORE_ADDR.  The output from
   core_addr_to_string() can be passed direct to
   string_to_core_addr().  */
extern const char *core_addr_to_string (const CORE_ADDR addr);
extern const char *core_addr_to_string_nz (const CORE_ADDR addr);
extern CORE_ADDR string_to_core_addr (const char *my_string);

/* Return a string that contains a number formatted as a hex
   string.  */
extern char *hex_string (LONGEST);
extern char *hex_string_custom (LONGEST, int);

extern void fprintf_symbol_filtered (struct ui_file *, char *,
				     enum language, int);

extern NORETURN void perror_with_name (const char *) ATTR_NORETURN;

extern void print_sys_errmsg (const char *, int);

/* From regex.c or libc.  BSD 4.4 declares this with the argument type as
   "const char *" in unistd.h, so we can't declare the argument
   as "char *".  */

extern char *re_comp (const char *);

/* From symfile.c */

extern void symbol_file_command (char *, int);

/* Remote targets may wish to use this as their load function.  */
extern void generic_load (char *name, int from_tty);

/* Report on STREAM the performance of memory transfer operation,
   such as 'load'. 
   DATA_COUNT is the number of bytes transferred.
   WRITE_COUNT is the number of separate write operations, or 0,
   if that information is not available.
   START_TIME is the time at which an operation was started.
   END_TIME is the time at which an operation ended.  */
struct timeval;
extern void print_transfer_performance (struct ui_file *stream,
					unsigned long data_count,
					unsigned long write_count,
					const struct timeval *start_time,
					const struct timeval *end_time);

/* From top.c */

typedef void initialize_file_ftype (void);

extern char *skip_quoted (char *);

extern char *gdb_readline (char *);

extern char *gdb_readline_wrapper (char *);

extern char *command_line_input (char *, int, char *);

extern void print_prompt (void);

extern int input_from_terminal_p (void);

extern int info_verbose;

/* From printcmd.c */

extern void set_next_address (CORE_ADDR);

extern void print_address_symbolic (CORE_ADDR, struct ui_file *, int,
				    char *);

extern int build_address_symbolic (CORE_ADDR addr,
				   int do_demangle, 
				   char **name, 
				   int *offset, 
				   char **filename, 
				   int *line, 	
				   int *unmapped);

extern void print_address (CORE_ADDR, struct ui_file *);

/* From source.c */

#define OPF_TRY_CWD_FIRST     0x01
#define OPF_SEARCH_IN_PATH    0x02

extern int openp (const char *, int, const char *, int, int, char **);

extern int source_full_path_of (char *, char **);

extern void mod_path (char *, char **);

extern void add_path (char *, char **, int);

extern void directory_command (char *, int);

extern void directory_switch (char *, int);

extern char *source_path;

extern void init_source_path (void);

extern void init_last_source_visited (void);

/* From exec.c */

/* Take over the 'find_mapped_memory' vector from exec.c. */
extern void exec_set_find_memory_regions (int (*) (int (*) (CORE_ADDR, 
							    unsigned long, 
							    int, int, int, 
							    void *),
						   void *));

/* Possible lvalue types.  Like enum language, this should be in
   value.h, but needs to be here for the same reason. */

enum lval_type
  {
    /* Not an lval. */
    not_lval,
    /* In memory.  */
    lval_memory,
    /* In a register.  Registers are relative to a frame.  */
    lval_register,
    /* In a gdb internal variable.  */
    lval_internalvar,
    /* Part of a gdb internal variable (structure field).  */
    lval_internalvar_component
  };

/* Control types for commands */

enum misc_command_type
  {
    ok_command,
    end_command,
    else_command,
    nop_command
  };

enum command_control_type
  {
    simple_control,
    break_control,
    continue_control,
    while_control,
    if_control,
    commands_control,
    python_control,
    invalid_control
  };

/* Structure for saved commands lines
   (for breakpoints, defined commands, etc).  */

struct command_line
  {
    struct command_line *next;
    char *line;
    enum command_control_type control_type;
    int body_count;
    struct command_line **body_list;
  };

extern struct command_line *read_command_lines (char *, int, int);

extern void free_command_lines (struct command_line **);

/* To continue the execution commands when running gdb asynchronously. 
   A continuation structure contains a pointer to a function to be called 
   to finish the command, once the target has stopped. Such mechanism is
   used by the finish and until commands, and in the remote protocol
   when opening an extended-remote connection. */

struct continuation;

/* In infrun.c. */
extern struct continuation *cmd_continuation;
/* Used only by the step_1 function. */
extern struct continuation *intermediate_continuation;

/* From utils.c */
extern void add_continuation (void (*)(void *), void *,
			      void (*)(void *));
extern void do_all_continuations (void);
extern void discard_all_continuations (void);

extern void add_intermediate_continuation (void (*)(void *), void *,
					   void (*)(void *));
extern void do_all_intermediate_continuations (void);
extern void discard_all_intermediate_continuations (void);

/* String containing the current directory (what getwd would return).  */

extern char *current_directory;

/* Default radixes for input and output.  Only some values supported.  */
extern unsigned input_radix;
extern unsigned output_radix;

/* Possibilities for prettyprint parameters to routines which print
   things.  Like enum language, this should be in value.h, but needs
   to be here for the same reason.  FIXME:  If we can eliminate this
   as an arg to LA_VAL_PRINT, then we can probably move it back to
   value.h. */

enum val_prettyprint
  {
    Val_no_prettyprint = 0,
    Val_prettyprint,
    /* Use the default setting which the user has specified.  */
    Val_pretty_default
  };

/* The ptid struct is a collection of the various "ids" necessary
   for identifying the inferior.  This consists of the process id
   (pid), thread id (tid), and other fields necessary for uniquely
   identifying the inferior process/thread being debugged.  When
   manipulating ptids, the constructors, accessors, and predicate
   declared in inferior.h should be used.  These are as follows:

      ptid_build	- Make a new ptid from a pid, lwp, and tid.
      pid_to_ptid	- Make a new ptid from just a pid.
      ptid_get_pid	- Fetch the pid component of a ptid.
      ptid_get_lwp	- Fetch the lwp component of a ptid.
      ptid_get_tid	- Fetch the tid component of a ptid.
      ptid_equal	- Test to see if two ptids are equal.

   Please do NOT access the struct ptid members directly (except, of
   course, in the implementation of the above ptid manipulation
   functions).  */

struct ptid
  {
    /* Process id */
    int pid;

    /* Lightweight process id */
    long lwp;

    /* Thread id */
    long tid;
  };

typedef struct ptid ptid_t;



/* Optional native machine support.  Non-native (and possibly pure
   multi-arch) targets do not need a "nm.h" file.  This will be a
   symlink to one of the nm-*.h files, built by the `configure'
   script.  */

#ifdef GDB_NM_FILE
#include "nm.h"
#endif

/* Assume that fopen accepts the letter "b" in the mode string.
   It is demanded by ISO C9X, and should be supported on all
   platforms that claim to have a standard-conforming C library.  On
   true POSIX systems it will be ignored and have no effect.  There
   may still be systems without a standard-conforming C library where
   an ISO C9X compiler (GCC) is available.  Known examples are SunOS
   4.x and 4.3BSD.  This assumption means these systems are no longer
   supported.  */
#ifndef FOPEN_RB
# include "fopen-bin.h"
#endif

/* Defaults for system-wide constants (if not defined by xm.h, we fake it).
   FIXME: Assumes 2's complement arithmetic */

#if !defined (UINT_MAX)
#define	UINT_MAX ((unsigned int)(~0))	/* 0xFFFFFFFF for 32-bits */
#endif

#if !defined (INT_MAX)
#define	INT_MAX ((int)(UINT_MAX >> 1))	/* 0x7FFFFFFF for 32-bits */
#endif

#if !defined (INT_MIN)
#define INT_MIN ((int)((int) ~0 ^ INT_MAX))	/* 0x80000000 for 32-bits */
#endif

#if !defined (ULONG_MAX)
#define	ULONG_MAX ((unsigned long)(~0L))	/* 0xFFFFFFFF for 32-bits */
#endif

#if !defined (LONG_MAX)
#define	LONG_MAX ((long)(ULONG_MAX >> 1))	/* 0x7FFFFFFF for 32-bits */
#endif

#if !defined (ULONGEST_MAX)
#define	ULONGEST_MAX (~(ULONGEST)0)        /* 0xFFFFFFFFFFFFFFFF for 64-bits */
#endif

#if !defined (LONGEST_MAX)                 /* 0x7FFFFFFFFFFFFFFF for 64-bits */
#define	LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
#endif

/* Convert a LONGEST to an int.  This is used in contexts (e.g. number of
   arguments to a function, number in a value history, register number, etc.)
   where the value must not be larger than can fit in an int.  */

extern int longest_to_int (LONGEST);

/* Assorted functions we can declare, now that const and volatile are 
   defined.  */

extern char *savestring (const char *, size_t);

/* xmalloc(), xrealloc() and xcalloc() have already been declared in
   "libiberty.h". */
extern void xfree (void *);

/* Like xmalloc, but zero the memory.  */
extern void *xzalloc (size_t);

/* Utility macros to allocate typed memory.  Avoids errors like:
   struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
   sizeof (struct foo), 0).  */
#define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE)))
#define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
#define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))

/* Like asprintf/vasprintf but get an internal_error if the call
   fails. */
extern void xasprintf (char **ret, const char *format, ...) ATTR_FORMAT (printf, 2, 3);
extern void xvasprintf (char **ret, const char *format, va_list ap)
     ATTR_FORMAT (printf, 2, 0);

/* Like asprintf and vasprintf, but return the string, throw an error
   if no memory.  */
extern char *xstrprintf (const char *format, ...) ATTR_FORMAT (printf, 1, 2);
extern char *xstrvprintf (const char *format, va_list ap)
     ATTR_FORMAT (printf, 1, 0);

/* Like snprintf, but throw an error if the output buffer is too small.  */
extern int xsnprintf (char *str, size_t size, const char *format, ...)
     ATTR_FORMAT (printf, 3, 4);

extern int parse_escape (char **);

/* Message to be printed before the error message, when an error occurs.  */

extern char *error_pre_print;

/* Message to be printed before the error message, when an error occurs.  */

extern char *quit_pre_print;

/* Message to be printed before the warning message, when a warning occurs.  */

extern char *warning_pre_print;

extern NORETURN void verror (const char *fmt, va_list ap)
     ATTR_NORETURN ATTR_FORMAT (printf, 1, 0);

extern NORETURN void error (const char *fmt, ...) ATTR_NORETURN ATTR_FORMAT (printf, 1, 2);

extern NORETURN void error_stream (struct ui_file *) ATTR_NORETURN;

extern NORETURN void vfatal (const char *fmt, va_list ap)
     ATTR_NORETURN ATTR_FORMAT (printf, 1, 0);

extern NORETURN void fatal (const char *fmt, ...) ATTR_NORETURN ATTR_FORMAT (printf, 1, 2);

extern NORETURN void internal_verror (const char *file, int line,
				      const char *, va_list ap)
     ATTR_NORETURN ATTR_FORMAT (printf, 3, 0);

extern NORETURN void internal_error (const char *file, int line,
				     const char *, ...) ATTR_NORETURN ATTR_FORMAT (printf, 3, 4);

extern void internal_vwarning (const char *file, int line,
			       const char *, va_list ap)
     ATTR_FORMAT (printf, 3, 0);

extern void internal_warning (const char *file, int line,
			      const char *, ...) ATTR_FORMAT (printf, 3, 4);

extern NORETURN void nomem (long) ATTR_NORETURN;

extern void warning (const char *, ...) ATTR_FORMAT (printf, 1, 2);

extern void vwarning (const char *, va_list args) ATTR_FORMAT (printf, 1, 0);

/* List of known OS ABIs.  If you change this, make sure to update the
   table in osabi.c.  */
enum gdb_osabi
{
  GDB_OSABI_UNINITIALIZED = -1, /* For struct gdbarch_info.  */

  GDB_OSABI_UNKNOWN = 0,	/* keep this zero */

  GDB_OSABI_SVR4,
  GDB_OSABI_HURD,
  GDB_OSABI_SOLARIS,
  GDB_OSABI_OSF1,
  GDB_OSABI_LINUX,
  GDB_OSABI_FREEBSD_AOUT,
  GDB_OSABI_FREEBSD_ELF,
  GDB_OSABI_NETBSD_AOUT,
  GDB_OSABI_NETBSD_ELF,
  GDB_OSABI_OPENBSD_ELF,
  GDB_OSABI_WINCE,
  GDB_OSABI_GO32,
  GDB_OSABI_IRIX,
  GDB_OSABI_INTERIX,
  GDB_OSABI_HPUX_ELF,
  GDB_OSABI_HPUX_SOM,

  GDB_OSABI_QNXNTO,

  GDB_OSABI_CYGWIN,
  GDB_OSABI_AIX,
  GDB_OSABI_DICOS,

  GDB_OSABI_INVALID		/* keep this last */
};

/* Global functions from other, non-gdb GNU thingies.
   Libiberty thingies are no longer declared here.  We include libiberty.h
   above, instead.  */

/* From other system libraries */

#ifdef HAVE_STDDEF_H
#include <stddef.h>
#endif

#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifndef min
#define min(a, b) ((a) < (b) ? (a) : (b))
#endif
#ifndef max
#define max(a, b) ((a) > (b) ? (a) : (b))
#endif


#ifndef atof
extern double atof (const char *);	/* X3.159-1989  4.10.1.1 */
#endif

/* Various possibilities for alloca.  */
#ifndef alloca
#ifdef __GNUC__
#define alloca __builtin_alloca
#else /* Not GNU C */
#ifdef HAVE_ALLOCA_H
#include <alloca.h>
#else
#ifdef _AIX
#pragma alloca
#else

/* We need to be careful not to declare this in a way which conflicts with
   bison.  Bison never declares it as char *, but under various circumstances
   (like __hpux) we need to use void *.  */
extern void *alloca ();
#endif /* Not _AIX */
#endif /* Not HAVE_ALLOCA_H */
#endif /* Not GNU C */
#endif /* alloca not defined */

/* Dynamic target-system-dependent parameters for GDB. */
#include "gdbarch.h"

/* Maximum size of a register.  Something small, but large enough for
   all known ISAs.  If it turns out to be too small, make it bigger.  */

enum { MAX_REGISTER_SIZE = 16 };

/* Static target-system-dependent parameters for GDB. */

/* Number of bits in a char or unsigned char for the target machine.
   Just like CHAR_BIT in <limits.h> but describes the target machine.  */
#if !defined (TARGET_CHAR_BIT)
#define TARGET_CHAR_BIT 8
#endif

/* If we picked up a copy of CHAR_BIT from a configuration file
   (which may get it by including <limits.h>) then use it to set
   the number of bits in a host char.  If not, use the same size
   as the target. */

#if defined (CHAR_BIT)
#define HOST_CHAR_BIT CHAR_BIT
#else
#define HOST_CHAR_BIT TARGET_CHAR_BIT
#endif

/* In findvar.c.  */

extern LONGEST extract_signed_integer (const gdb_byte *, int);

extern ULONGEST extract_unsigned_integer (const gdb_byte *, int);

extern int extract_long_unsigned_integer (const gdb_byte *, int, LONGEST *);

extern CORE_ADDR extract_typed_address (const gdb_byte *buf,
					struct type *type);

extern void store_signed_integer (gdb_byte *, int, LONGEST);

extern void store_unsigned_integer (gdb_byte *, int, ULONGEST);

extern void store_typed_address (gdb_byte *buf, struct type *type,
				 CORE_ADDR addr);


/* From valops.c */

extern int watchdog;

/* Hooks for alternate command interfaces.  */

/* The name of the interpreter if specified on the command line. */
extern char *interpreter_p;

/* If a given interpreter matches INTERPRETER_P then it should update
   deprecated_command_loop_hook and deprecated_init_ui_hook with the
   per-interpreter implementation.  */
/* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook
   should be moved here. */

struct target_waitstatus;
struct cmd_list_element;

extern void (*deprecated_pre_add_symbol_hook) (const char *);
extern void (*deprecated_post_add_symbol_hook) (void);
extern void (*selected_frame_level_changed_hook) (int);
extern int (*deprecated_ui_loop_hook) (int signo);
extern void (*deprecated_init_ui_hook) (char *argv0);
extern void (*deprecated_command_loop_hook) (void);
extern void (*deprecated_show_load_progress) (const char *section,
					      unsigned long section_sent, 
					      unsigned long section_size, 
					      unsigned long total_sent, 
					      unsigned long total_size);
extern void (*deprecated_print_frame_info_listing_hook) (struct symtab * s,
							 int line, int stopline,
							 int noerror);
extern int (*deprecated_query_hook) (const char *, va_list)
     ATTRIBUTE_FPTR_PRINTF(1,0);
extern void (*deprecated_warning_hook) (const char *, va_list)
     ATTRIBUTE_FPTR_PRINTF(1,0);
extern void (*deprecated_flush_hook) (struct ui_file * stream);
extern void (*deprecated_interactive_hook) (void);
extern void (*deprecated_readline_begin_hook) (char *, ...)
     ATTRIBUTE_FPTR_PRINTF_1;
extern char *(*deprecated_readline_hook) (char *);
extern void (*deprecated_readline_end_hook) (void);
extern void (*deprecated_register_changed_hook) (int regno);
extern void (*deprecated_memory_changed_hook) (CORE_ADDR addr, int len);
extern void (*deprecated_context_hook) (int);
extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
                                         struct target_waitstatus * status);

extern void (*deprecated_attach_hook) (void);
extern void (*deprecated_detach_hook) (void);
extern void (*deprecated_call_command_hook) (struct cmd_list_element * c,
					     char *cmd, int from_tty);

extern void (*deprecated_set_hook) (struct cmd_list_element * c);

extern void (*deprecated_error_hook) (void);

extern void (*deprecated_error_begin_hook) (void);

extern int (*deprecated_ui_load_progress_hook) (const char *section,
						unsigned long num);


/* Inhibit window interface if non-zero. */

extern int use_windows;

/* Symbolic definitions of filename-related things.  */
/* FIXME, this doesn't work very well if host and executable
   filesystems conventions are different.  */

#ifdef __MSDOS__
# define CANT_FORK
# define GLOBAL_CURDIR
# define DIRNAME_SEPARATOR ';'
#endif

#if !defined (__CYGWIN__) && defined (_WIN32)
# define DIRNAME_SEPARATOR ';'
#endif

#ifndef DIRNAME_SEPARATOR
#define DIRNAME_SEPARATOR ':'
#endif

#ifndef SLASH_STRING
#define SLASH_STRING "/"
#endif

/* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
   The name ``TIDGET'' is a historical accident.  Many uses of TIDGET
   in the code actually refer to a lightweight process id, i.e,
   something that can be considered a process id in its own right for
   certain purposes.  */

#ifndef PIDGET
#define PIDGET(PTID) (ptid_get_pid (PTID))
#define TIDGET(PTID) (ptid_get_lwp (PTID))
#define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
#endif

/* Define well known filenos if the system does not define them.  */
#ifndef STDIN_FILENO
#define STDIN_FILENO   0
#endif
#ifndef STDOUT_FILENO
#define STDOUT_FILENO  1
#endif
#ifndef STDERR_FILENO
#define STDERR_FILENO  2
#endif

/* If this definition isn't overridden by the header files, assume
   that isatty and fileno exist on this system.  */
#ifndef ISATTY
#define ISATTY(FP)	(isatty (fileno (FP)))
#endif

/* Ensure that V is aligned to an N byte boundary (B's assumed to be a
   power of 2).  Round up/down when necessary.  Examples of correct
   use include:

   addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
   write_memory (addr, value, len);
   addr += len;

   and:

   sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
   write_memory (sp, value, len);

   Note that uses such as:

   write_memory (addr, value, len);
   addr += align_up (len, 8);

   and:

   sp -= align_up (len, 8);
   write_memory (sp, value, len);

   are typically not correct as they don't ensure that the address (SP
   or ADDR) is correctly aligned (relying on previous alignment to
   keep things right).  This is also why the methods are called
   "align_..." instead of "round_..." as the latter reads better with
   this incorrect coding style.  */

extern ULONGEST align_up (ULONGEST v, int n);
extern ULONGEST align_down (ULONGEST v, int n);

/* Allocation and deallocation functions for the libiberty hash table
   which use obstacks.  */
void *hashtab_obstack_allocate (void *data, size_t size, size_t count);
void dummy_obstack_deallocate (void *object, void *data);

#endif /* #ifndef DEFS_H */