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* vec.h (VEC_block_remove): Place VEC_ASSERT_INFO on the right
[deliverable/binutils-gdb.git] / gdb / defs.h
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1/* *INDENT-OFF* */ /* ATTRIBUTE_PRINTF confuses indent, avoid running it
2 for now. */
3/* Basic, host-specific, and target-specific definitions for GDB.
4 Copyright (C) 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
5 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008, 2009,
6 2010, 2011 Free Software Foundation, Inc.
7
8 This file is part of GDB.
9
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>. */
22
23#ifndef DEFS_H
24#define DEFS_H
25
26#include "config.h" /* Generated by configure. */
27
28#include <sys/types.h>
29#include <stdio.h>
30#include <errno.h> /* System call error return status. */
31#include <limits.h>
32#include <stdint.h>
33
34/* The libdecnumber library, on which GDB depends, includes a header file
35 called gstdint.h instead of relying directly on stdint.h. GDB, on the
36 other hand, includes stdint.h directly, relying on the fact that gnulib
37 generates a copy if the system doesn't provide one or if it is missing
38 some features. Unfortunately, gstdint.h and stdint.h cannot be included
39 at the same time, which may happen when we include a file from
40 libdecnumber.
41
42 The following macro definition effectively prevents the inclusion of
43 gstdint.h, as all the definitions it provides are guarded against
44 the GCC_GENERATED_STDINT_H macro. We already have gnulib/stdint.h
45 included, so it's ok to blank out gstdint.h. */
46#define GCC_GENERATED_STDINT_H 1
47
48#ifdef HAVE_STDDEF_H
49#include <stddef.h>
50#endif
51
52#ifdef HAVE_UNISTD_H
53#include <unistd.h>
54#endif
55
56#include <fcntl.h>
57
58/* First include ansidecl.h so we can use the various macro definitions
59 here and in all subsequent file inclusions. */
60
61#include "ansidecl.h"
62
63#include "gdb_locale.h"
64
65#include "gdb_wchar.h"
66
67/* For ``enum target_signal''. */
68#include "gdb/signals.h"
69
70/* Just in case they're not defined in stdio.h. */
71
72#ifndef SEEK_SET
73#define SEEK_SET 0
74#endif
75#ifndef SEEK_CUR
76#define SEEK_CUR 1
77#endif
78
79/* The O_BINARY flag is defined in fcntl.h on some non-Posix platforms.
80 It is used as an access modifier in calls to open(), where it acts
81 similarly to the "b" character in fopen()'s MODE argument. On Posix
82 platforms it should be a no-op, so it is defined as 0 here. This
83 ensures that the symbol may be used freely elsewhere in gdb. */
84
85#ifndef O_BINARY
86#define O_BINARY 0
87#endif
88
89#include <stdarg.h> /* For va_list. */
90
91#include "libiberty.h"
92
93/* Rather than duplicate all the logic in BFD for figuring out what
94 types to use (which can be pretty complicated), symply define them
95 in terms of the corresponding type from BFD. */
96
97#include "bfd.h"
98
99/* A byte from the program being debugged. */
100typedef bfd_byte gdb_byte;
101
102/* An address in the program being debugged. Host byte order. */
103typedef bfd_vma CORE_ADDR;
104
105/* The largest CORE_ADDR value. */
106#define CORE_ADDR_MAX (~ (CORE_ADDR) 0)
107
108/* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
109
110#ifndef LONGEST
111
112#ifdef BFD64
113
114#define LONGEST BFD_HOST_64_BIT
115#define ULONGEST BFD_HOST_U_64_BIT
116
117#else /* No BFD64 */
118
119#ifdef CC_HAS_LONG_LONG
120#define LONGEST long long
121#define ULONGEST unsigned long long
122#else
123#ifdef BFD_HOST_64_BIT
124/* BFD_HOST_64_BIT is defined for some hosts that don't have long long
125 (e.g. i386-windows) so try it. */
126#define LONGEST BFD_HOST_64_BIT
127#define ULONGEST BFD_HOST_U_64_BIT
128#else
129#define LONGEST long
130#define ULONGEST unsigned long
131#endif
132#endif
133
134#endif /* No BFD64 */
135
136#endif /* ! LONGEST */
137
138#ifndef min
139#define min(a, b) ((a) < (b) ? (a) : (b))
140#endif
141#ifndef max
142#define max(a, b) ((a) > (b) ? (a) : (b))
143#endif
144
145/* Check if a character is one of the commonly used C++ marker characters. */
146extern int is_cplus_marker (int);
147
148/* Enable xdb commands if set. */
149extern int xdb_commands;
150
151/* Enable dbx commands if set. */
152extern int dbx_commands;
153
154/* System root path, used to find libraries etc. */
155extern char *gdb_sysroot;
156
157/* GDB datadir, used to store data files. */
158extern char *gdb_datadir;
159
160/* If non-NULL, the possibly relocated path to python's "lib" directory
161 specified with --with-python. */
162extern char *python_libdir;
163
164/* Search path for separate debug files. */
165extern char *debug_file_directory;
166
167extern int quit_flag;
168extern int immediate_quit;
169extern int sevenbit_strings;
170
171extern void quit (void);
172
173/* FIXME: cagney/2000-03-13: It has been suggested that the peformance
174 benefits of having a ``QUIT'' macro rather than a function are
175 marginal. If the overhead of a QUIT function call is proving
176 significant then its calling frequency should probably be reduced
177 [kingdon]. A profile analyzing the current situtation is
178 needed. */
179
180#define QUIT { \
181 if (quit_flag) quit (); \
182 if (deprecated_interactive_hook) deprecated_interactive_hook (); \
183}
184
185/* Languages represented in the symbol table and elsewhere.
186 This should probably be in language.h, but since enum's can't
187 be forward declared to satisfy opaque references before their
188 actual definition, needs to be here. */
189
190enum language
191 {
192 language_unknown, /* Language not known */
193 language_auto, /* Placeholder for automatic setting */
194 language_c, /* C */
195 language_cplus, /* C++ */
196 language_d, /* D */
197 language_objc, /* Objective-C */
198 language_java, /* Java */
199 language_fortran, /* Fortran */
200 language_m2, /* Modula-2 */
201 language_asm, /* Assembly language */
202 language_pascal, /* Pascal */
203 language_ada, /* Ada */
204 language_opencl, /* OpenCL */
205 language_minimal, /* All other languages, minimal support only */
206 nr_languages
207 };
208
209enum precision_type
210 {
211 single_precision,
212 double_precision,
213 unspecified_precision
214 };
215
216/* A generic, not quite boolean, enumeration. */
217enum auto_boolean
218{
219 AUTO_BOOLEAN_TRUE,
220 AUTO_BOOLEAN_FALSE,
221 AUTO_BOOLEAN_AUTO
222};
223
224/* Potential ways that a function can return a value of a given type. */
225enum return_value_convention
226{
227 /* Where the return value has been squeezed into one or more
228 registers. */
229 RETURN_VALUE_REGISTER_CONVENTION,
230 /* Commonly known as the "struct return convention". The caller
231 passes an additional hidden first parameter to the caller. That
232 parameter contains the address at which the value being returned
233 should be stored. While typically, and historically, used for
234 large structs, this is convention is applied to values of many
235 different types. */
236 RETURN_VALUE_STRUCT_CONVENTION,
237 /* Like the "struct return convention" above, but where the ABI
238 guarantees that the called function stores the address at which
239 the value being returned is stored in a well-defined location,
240 such as a register or memory slot in the stack frame. Don't use
241 this if the ABI doesn't explicitly guarantees this. */
242 RETURN_VALUE_ABI_RETURNS_ADDRESS,
243 /* Like the "struct return convention" above, but where the ABI
244 guarantees that the address at which the value being returned is
245 stored will be available in a well-defined location, such as a
246 register or memory slot in the stack frame. Don't use this if
247 the ABI doesn't explicitly guarantees this. */
248 RETURN_VALUE_ABI_PRESERVES_ADDRESS,
249};
250
251/* the cleanup list records things that have to be undone
252 if an error happens (descriptors to be closed, memory to be freed, etc.)
253 Each link in the chain records a function to call and an
254 argument to give it.
255
256 Use make_cleanup to add an element to the cleanup chain.
257 Use do_cleanups to do all cleanup actions back to a given
258 point in the chain. Use discard_cleanups to remove cleanups
259 from the chain back to a given point, not doing them.
260
261 If the argument is pointer to allocated memory, then you need to
262 to additionally set the 'free_arg' member to a function that will
263 free that memory. This function will be called both when the cleanup
264 is executed and when it's discarded. */
265
266struct cleanup
267 {
268 struct cleanup *next;
269 void (*function) (void *);
270 void (*free_arg) (void *);
271 void *arg;
272 };
273
274/* Be conservative and use enum bitfields only with GCC.
275 This is copied from gcc 3.3.1, system.h. */
276
277#if defined(__GNUC__) && (__GNUC__ >= 2)
278#define ENUM_BITFIELD(TYPE) enum TYPE
279#else
280#define ENUM_BITFIELD(TYPE) unsigned int
281#endif
282
283/* vec.h-style vectors of strings want a typedef for char * . */
284
285typedef char * char_ptr;
286
287/* Needed for various prototypes */
288
289struct symtab;
290struct breakpoint;
291struct frame_info;
292struct gdbarch;
293
294/* From utils.c */
295
296extern void initialize_utils (void);
297
298extern void notice_quit (void);
299
300extern int strcmp_iw (const char *, const char *);
301
302extern int strcmp_iw_ordered (const char *, const char *);
303
304extern int streq (const char *, const char *);
305
306extern int subset_compare (char *, char *);
307
308extern char *safe_strerror (int);
309
310extern void set_display_time (int);
311
312extern void set_display_space (int);
313
314#define ALL_CLEANUPS ((struct cleanup *)0)
315
316extern void do_cleanups (struct cleanup *);
317extern void do_final_cleanups (struct cleanup *);
318
319extern void discard_cleanups (struct cleanup *);
320extern void discard_final_cleanups (struct cleanup *);
321extern void discard_my_cleanups (struct cleanup **, struct cleanup *);
322
323/* NOTE: cagney/2000-03-04: This typedef is strictly for the
324 make_cleanup function declarations below. Do not use this typedef
325 as a cast when passing functions into the make_cleanup() code.
326 Instead either use a bounce function or add a wrapper function.
327 Calling a f(char*) function with f(void*) is non-portable. */
328typedef void (make_cleanup_ftype) (void *);
329
330extern struct cleanup *make_cleanup (make_cleanup_ftype *, void *);
331
332extern struct cleanup *make_cleanup_dtor (make_cleanup_ftype *, void *,
333 void (*dtor) (void *));
334
335extern struct cleanup *make_cleanup_freeargv (char **);
336
337struct ui_file;
338extern struct cleanup *make_cleanup_ui_file_delete (struct ui_file *);
339
340struct ui_out;
341extern struct cleanup *
342 make_cleanup_ui_out_redirect_pop (struct ui_out *uiout);
343
344struct section_addr_info;
345extern struct cleanup *(make_cleanup_free_section_addr_info
346 (struct section_addr_info *));
347
348extern struct cleanup *make_cleanup_close (int fd);
349
350extern struct cleanup *make_cleanup_fclose (FILE *file);
351
352extern struct cleanup *make_cleanup_bfd_close (bfd *abfd);
353
354struct obstack;
355extern struct cleanup *make_cleanup_obstack_free (struct obstack *obstack);
356
357extern struct cleanup *make_cleanup_restore_integer (int *variable);
358extern struct cleanup *make_cleanup_restore_uinteger (unsigned int *variable);
359
360struct target_ops;
361extern struct cleanup *make_cleanup_unpush_target (struct target_ops *ops);
362
363extern struct cleanup *
364 make_cleanup_restore_ui_file (struct ui_file **variable);
365
366extern struct cleanup *make_final_cleanup (make_cleanup_ftype *, void *);
367
368extern struct cleanup *make_my_cleanup (struct cleanup **,
369 make_cleanup_ftype *, void *);
370
371extern struct cleanup *make_my_cleanup2 (struct cleanup **,
372 make_cleanup_ftype *, void *,
373 void (*free_arg) (void *));
374
375extern struct cleanup *save_cleanups (void);
376extern struct cleanup *save_final_cleanups (void);
377extern struct cleanup *save_my_cleanups (struct cleanup **);
378
379extern void restore_cleanups (struct cleanup *);
380extern void restore_final_cleanups (struct cleanup *);
381extern void restore_my_cleanups (struct cleanup **, struct cleanup *);
382
383extern void free_current_contents (void *);
384
385extern void null_cleanup (void *);
386
387extern struct cleanup *make_command_stats_cleanup (int);
388
389extern int myread (int, char *, int);
390
391extern int query (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
392extern int nquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
393extern int yquery (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
394
395extern void init_page_info (void);
396
397extern struct cleanup *make_cleanup_restore_page_info (void);
398extern struct cleanup *
399 set_batch_flag_and_make_cleanup_restore_page_info (void);
400
401extern char *gdb_realpath (const char *);
402extern char *xfullpath (const char *);
403
404extern unsigned long gnu_debuglink_crc32 (unsigned long crc,
405 unsigned char *buf, size_t len);
406
407ULONGEST strtoulst (const char *num, const char **trailer, int base);
408
409char *ldirname (const char *filename);
410
411char **gdb_buildargv (const char *);
412
413int compare_positive_ints (const void *ap, const void *bp);
414
415/* A wrapper for bfd_errmsg to produce a more helpful error message
416 in the case of bfd_error_file_ambiguously recognized.
417 MATCHING, if non-NULL, is the corresponding argument to
418 bfd_check_format_matches, and will be freed. */
419
420extern const char *gdb_bfd_errmsg (bfd_error_type error_tag, char **matching);
421
422extern int parse_pid_to_attach (char *args);
423
424/* From demangle.c */
425
426extern void set_demangling_style (char *);
427
428\f
429/* Annotation stuff. */
430
431extern int annotation_level; /* in stack.c */
432\f
433extern void begin_line (void);
434
435extern void wrap_here (char *);
436
437extern void reinitialize_more_filter (void);
438
439/* Normal results */
440extern struct ui_file *gdb_stdout;
441/* Input stream */
442extern struct ui_file *gdb_stdin;
443/* Serious error notifications */
444extern struct ui_file *gdb_stderr;
445/* Log/debug/trace messages that should bypass normal stdout/stderr
446 filtering. For moment, always call this stream using
447 *_unfiltered. In the very near future that restriction shall be
448 removed - either call shall be unfiltered. (cagney 1999-06-13). */
449extern struct ui_file *gdb_stdlog;
450/* Target output that should bypass normal stdout/stderr filtering.
451 For moment, always call this stream using *_unfiltered. In the
452 very near future that restriction shall be removed - either call
453 shall be unfiltered. (cagney 1999-07-02). */
454extern struct ui_file *gdb_stdtarg;
455extern struct ui_file *gdb_stdtargerr;
456extern struct ui_file *gdb_stdtargin;
457
458#include "ui-file.h"
459
460/* More generic printf like operations. Filtered versions may return
461 non-locally on error. */
462
463extern void fputs_filtered (const char *, struct ui_file *);
464
465extern void fputs_unfiltered (const char *, struct ui_file *);
466
467extern int fputc_filtered (int c, struct ui_file *);
468
469extern int fputc_unfiltered (int c, struct ui_file *);
470
471extern int putchar_filtered (int c);
472
473extern int putchar_unfiltered (int c);
474
475extern void puts_filtered (const char *);
476
477extern void puts_unfiltered (const char *);
478
479extern void puts_filtered_tabular (char *string, int width, int right);
480
481extern void puts_debug (char *prefix, char *string, char *suffix);
482
483extern void vprintf_filtered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
484
485extern void vfprintf_filtered (struct ui_file *, const char *, va_list)
486 ATTRIBUTE_PRINTF (2, 0);
487
488extern void fprintf_filtered (struct ui_file *, const char *, ...)
489 ATTRIBUTE_PRINTF (2, 3);
490
491extern void fprintfi_filtered (int, struct ui_file *, const char *, ...)
492 ATTRIBUTE_PRINTF (3, 4);
493
494extern void printf_filtered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
495
496extern void printfi_filtered (int, const char *, ...) ATTRIBUTE_PRINTF (2, 3);
497
498extern void vprintf_unfiltered (const char *, va_list) ATTRIBUTE_PRINTF (1, 0);
499
500extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list)
501 ATTRIBUTE_PRINTF (2, 0);
502
503extern void fprintf_unfiltered (struct ui_file *, const char *, ...)
504 ATTRIBUTE_PRINTF (2, 3);
505
506extern void printf_unfiltered (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
507
508extern void print_spaces (int, struct ui_file *);
509
510extern void print_spaces_filtered (int, struct ui_file *);
511
512extern char *n_spaces (int);
513
514extern void fputstr_filtered (const char *str, int quotr,
515 struct ui_file * stream);
516
517extern void fputstr_unfiltered (const char *str, int quotr,
518 struct ui_file * stream);
519
520extern void fputstrn_filtered (const char *str, int n, int quotr,
521 struct ui_file * stream);
522
523extern void fputstrn_unfiltered (const char *str, int n, int quotr,
524 struct ui_file * stream);
525
526/* Display the host ADDR on STREAM formatted as ``0x%x''. */
527extern void gdb_print_host_address (const void *addr, struct ui_file *stream);
528
529extern const char *host_address_to_string (const void *addr);
530
531/* Convert CORE_ADDR to string in platform-specific manner.
532 This is usually formatted similar to 0x%lx. */
533extern const char *paddress (struct gdbarch *gdbarch, CORE_ADDR addr);
534
535/* %d for LONGEST */
536extern char *plongest (LONGEST l);
537/* %u for ULONGEST */
538extern char *pulongest (ULONGEST l);
539
540extern char *phex (ULONGEST l, int sizeof_l);
541extern char *phex_nz (ULONGEST l, int sizeof_l);
542extern char *int_string (LONGEST, int, int, int, int);
543
544/* Convert a CORE_ADDR into a HEX string with leading zeros.
545 The output from core_addr_to_string() can be passed direct to
546 string_to_core_addr(). */
547extern const char *core_addr_to_string (const CORE_ADDR addr);
548extern const char *core_addr_to_string_nz (const CORE_ADDR addr);
549extern CORE_ADDR string_to_core_addr (const char *my_string);
550
551/* Return a string that contains a number formatted as a hex
552 string. */
553extern char *hex_string (LONGEST);
554extern char *hex_string_custom (LONGEST, int);
555
556extern void fprintf_symbol_filtered (struct ui_file *, char *,
557 enum language, int);
558
559extern void perror_with_name (const char *) ATTRIBUTE_NORETURN;
560
561extern void print_sys_errmsg (const char *, int);
562
563/* From regex.c or libc. BSD 4.4 declares this with the argument type as
564 "const char *" in unistd.h, so we can't declare the argument
565 as "char *". */
566
567extern char *re_comp (const char *);
568
569/* From symfile.c */
570
571extern void symbol_file_command (char *, int);
572
573/* Remote targets may wish to use this as their load function. */
574extern void generic_load (char *name, int from_tty);
575
576/* Report on STREAM the performance of memory transfer operation,
577 such as 'load'.
578 DATA_COUNT is the number of bytes transferred.
579 WRITE_COUNT is the number of separate write operations, or 0,
580 if that information is not available.
581 START_TIME is the time at which an operation was started.
582 END_TIME is the time at which an operation ended. */
583struct timeval;
584extern void print_transfer_performance (struct ui_file *stream,
585 unsigned long data_count,
586 unsigned long write_count,
587 const struct timeval *start_time,
588 const struct timeval *end_time);
589
590/* From top.c */
591
592typedef void initialize_file_ftype (void);
593
594extern char *skip_quoted (char *);
595
596extern char *gdb_readline (char *);
597
598extern char *gdb_readline_wrapper (char *);
599
600extern char *command_line_input (char *, int, char *);
601
602extern void print_prompt (void);
603
604extern int input_from_terminal_p (void);
605
606extern int info_verbose;
607
608/* From printcmd.c */
609
610extern void set_next_address (struct gdbarch *, CORE_ADDR);
611
612extern void print_address_symbolic (struct gdbarch *, CORE_ADDR,
613 struct ui_file *, int, char *);
614
615extern int build_address_symbolic (struct gdbarch *,
616 CORE_ADDR addr,
617 int do_demangle,
618 char **name,
619 int *offset,
620 char **filename,
621 int *line,
622 int *unmapped);
623
624extern void print_address (struct gdbarch *, CORE_ADDR, struct ui_file *);
625extern const char *pc_prefix (CORE_ADDR);
626
627/* From source.c */
628
629#define OPF_TRY_CWD_FIRST 0x01
630#define OPF_SEARCH_IN_PATH 0x02
631
632extern int openp (const char *, int, const char *, int, char **);
633
634extern int source_full_path_of (const char *, char **);
635
636extern void mod_path (char *, char **);
637
638extern void add_path (char *, char **, int);
639
640extern void directory_command (char *, int);
641
642extern void directory_switch (char *, int);
643
644extern char *source_path;
645
646extern void init_source_path (void);
647
648/* From exec.c */
649
650typedef int (*find_memory_region_ftype) (CORE_ADDR addr, unsigned long size,
651 int read, int write, int exec,
652 void *data);
653
654/* Take over the 'find_mapped_memory' vector from exec.c. */
655extern void exec_set_find_memory_regions
656 (int (*func) (find_memory_region_ftype func, void *data));
657
658/* Possible lvalue types. Like enum language, this should be in
659 value.h, but needs to be here for the same reason. */
660
661enum lval_type
662 {
663 /* Not an lval. */
664 not_lval,
665 /* In memory. */
666 lval_memory,
667 /* In a register. Registers are relative to a frame. */
668 lval_register,
669 /* In a gdb internal variable. */
670 lval_internalvar,
671 /* Part of a gdb internal variable (structure field). */
672 lval_internalvar_component,
673 /* Value's bits are fetched and stored using functions provided by
674 its creator. */
675 lval_computed
676 };
677
678/* Control types for commands */
679
680enum misc_command_type
681 {
682 ok_command,
683 end_command,
684 else_command,
685 nop_command
686 };
687
688enum command_control_type
689 {
690 simple_control,
691 break_control,
692 continue_control,
693 while_control,
694 if_control,
695 commands_control,
696 python_control,
697 while_stepping_control,
698 invalid_control
699 };
700
701/* Structure for saved commands lines
702 (for breakpoints, defined commands, etc). */
703
704struct command_line
705 {
706 struct command_line *next;
707 char *line;
708 enum command_control_type control_type;
709 /* The number of elements in body_list. */
710 int body_count;
711 /* For composite commands, the nested lists of commands. For
712 example, for "if" command this will contain the then branch and
713 the else branch, if that is available. */
714 struct command_line **body_list;
715 };
716
717extern struct command_line *read_command_lines (char *, int, int,
718 void (*)(char *, void *),
719 void *);
720extern struct command_line *read_command_lines_1 (char * (*) (void), int,
721 void (*)(char *, void *),
722 void *);
723
724extern void free_command_lines (struct command_line **);
725
726/* To continue the execution commands when running gdb asynchronously.
727 A continuation structure contains a pointer to a function to be called
728 to finish the command, once the target has stopped. Such mechanism is
729 used by the finish and until commands, and in the remote protocol
730 when opening an extended-remote connection. */
731
732struct continuation;
733struct thread_info;
734struct inferior;
735
736/* From utils.c */
737
738/* Thread specific continuations. */
739
740extern void add_continuation (struct thread_info *,
741 void (*)(void *), void *,
742 void (*)(void *));
743extern void do_all_continuations (void);
744extern void do_all_continuations_thread (struct thread_info *);
745extern void discard_all_continuations (void);
746extern void discard_all_continuations_thread (struct thread_info *);
747
748extern void add_intermediate_continuation (struct thread_info *,
749 void (*)(void *), void *,
750 void (*)(void *));
751extern void do_all_intermediate_continuations (void);
752extern void do_all_intermediate_continuations_thread (struct thread_info *);
753extern void discard_all_intermediate_continuations (void);
754extern void discard_all_intermediate_continuations_thread (struct thread_info *);
755
756/* Inferior specific (any thread) continuations. */
757
758extern void add_inferior_continuation (void (*) (void *),
759 void *,
760 void (*) (void *));
761extern void do_all_inferior_continuations (void);
762extern void discard_all_inferior_continuations (struct inferior *inf);
763
764/* String containing the current directory (what getwd would return). */
765
766extern char *current_directory;
767
768/* Default radixes for input and output. Only some values supported. */
769extern unsigned input_radix;
770extern unsigned output_radix;
771
772/* Possibilities for prettyprint parameters to routines which print
773 things. Like enum language, this should be in value.h, but needs
774 to be here for the same reason. FIXME: If we can eliminate this
775 as an arg to LA_VAL_PRINT, then we can probably move it back to
776 value.h. */
777
778enum val_prettyprint
779 {
780 Val_no_prettyprint = 0,
781 Val_prettyprint,
782 /* Use the default setting which the user has specified. */
783 Val_pretty_default
784 };
785
786/* The ptid struct is a collection of the various "ids" necessary
787 for identifying the inferior. This consists of the process id
788 (pid), thread id (tid), and other fields necessary for uniquely
789 identifying the inferior process/thread being debugged. When
790 manipulating ptids, the constructors, accessors, and predicate
791 declared in inferior.h should be used. These are as follows:
792
793 ptid_build - Make a new ptid from a pid, lwp, and tid.
794 pid_to_ptid - Make a new ptid from just a pid.
795 ptid_get_pid - Fetch the pid component of a ptid.
796 ptid_get_lwp - Fetch the lwp component of a ptid.
797 ptid_get_tid - Fetch the tid component of a ptid.
798 ptid_equal - Test to see if two ptids are equal.
799 ptid_is_pid - Test to see if this ptid represents a process id.
800
801 Please do NOT access the struct ptid members directly (except, of
802 course, in the implementation of the above ptid manipulation
803 functions). */
804
805struct ptid
806 {
807 /* Process id */
808 int pid;
809
810 /* Lightweight process id */
811 long lwp;
812
813 /* Thread id */
814 long tid;
815 };
816
817typedef struct ptid ptid_t;
818
819\f
820
821/* Optional native machine support. Non-native (and possibly pure
822 multi-arch) targets do not need a "nm.h" file. This will be a
823 symlink to one of the nm-*.h files, built by the `configure'
824 script. */
825
826#ifdef GDB_NM_FILE
827#include "nm.h"
828#endif
829
830/* Assume that fopen accepts the letter "b" in the mode string.
831 It is demanded by ISO C9X, and should be supported on all
832 platforms that claim to have a standard-conforming C library. On
833 true POSIX systems it will be ignored and have no effect. There
834 may still be systems without a standard-conforming C library where
835 an ISO C9X compiler (GCC) is available. Known examples are SunOS
836 4.x and 4.3BSD. This assumption means these systems are no longer
837 supported. */
838#ifndef FOPEN_RB
839# include "fopen-bin.h"
840#endif
841
842/* Defaults for system-wide constants (if not defined by xm.h, we fake it).
843 FIXME: Assumes 2's complement arithmetic. */
844
845#if !defined (UINT_MAX)
846#define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
847#endif
848
849#if !defined (INT_MAX)
850#define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
851#endif
852
853#if !defined (INT_MIN)
854#define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
855#endif
856
857#if !defined (ULONG_MAX)
858#define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
859#endif
860
861#if !defined (LONG_MAX)
862#define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
863#endif
864
865#if !defined (ULONGEST_MAX)
866#define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
867#endif
868
869#if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
870#define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
871#endif
872
873/* Convert a LONGEST to an int. This is used in contexts (e.g. number of
874 arguments to a function, number in a value history, register number, etc.)
875 where the value must not be larger than can fit in an int. */
876
877extern int longest_to_int (LONGEST);
878
879/* Assorted functions we can declare, now that const and volatile are
880 defined. */
881
882extern char *savestring (const char *, size_t);
883
884/* xmalloc(), xrealloc() and xcalloc() have already been declared in
885 "libiberty.h". */
886extern void xfree (void *);
887
888/* Like xmalloc, but zero the memory. */
889extern void *xzalloc (size_t);
890
891/* Utility macros to allocate typed memory. Avoids errors like:
892 struct foo *foo = xmalloc (sizeof struct bar); and memset (foo,
893 sizeof (struct foo), 0). */
894#define XZALLOC(TYPE) ((TYPE*) xzalloc (sizeof (TYPE)))
895#define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
896#define XCALLOC(NMEMB, TYPE) ((TYPE*) xcalloc ((NMEMB), sizeof (TYPE)))
897
898/* Like asprintf/vasprintf but get an internal_error if the call
899 fails. */
900extern void xasprintf (char **ret, const char *format, ...)
901 ATTRIBUTE_PRINTF (2, 3);
902extern void xvasprintf (char **ret, const char *format, va_list ap)
903 ATTRIBUTE_PRINTF (2, 0);
904
905/* Like asprintf and vasprintf, but return the string, throw an error
906 if no memory. */
907extern char *xstrprintf (const char *format, ...) ATTRIBUTE_PRINTF (1, 2);
908extern char *xstrvprintf (const char *format, va_list ap)
909 ATTRIBUTE_PRINTF (1, 0);
910
911/* Like snprintf, but throw an error if the output buffer is too small. */
912extern int xsnprintf (char *str, size_t size, const char *format, ...)
913 ATTRIBUTE_PRINTF (3, 4);
914
915extern int parse_escape (struct gdbarch *, char **);
916
917/* Message to be printed before the error message, when an error occurs. */
918
919extern char *error_pre_print;
920
921/* Message to be printed before the error message, when an error occurs. */
922
923extern char *quit_pre_print;
924
925/* Message to be printed before the warning message, when a warning occurs. */
926
927extern char *warning_pre_print;
928
929extern void verror (const char *fmt, va_list ap)
930 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
931
932extern void error (const char *fmt, ...)
933 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
934
935extern void error_stream (struct ui_file *) ATTRIBUTE_NORETURN;
936
937extern void vfatal (const char *fmt, va_list ap)
938 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 0);
939
940extern void fatal (const char *fmt, ...)
941 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
942
943extern void internal_verror (const char *file, int line, const char *,
944 va_list ap)
945 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (3, 0);
946
947extern void internal_error (const char *file, int line, const char *, ...)
948 ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (3, 4);
949
950extern void internal_vwarning (const char *file, int line,
951 const char *, va_list ap)
952 ATTRIBUTE_PRINTF (3, 0);
953
954extern void internal_warning (const char *file, int line,
955 const char *, ...) ATTRIBUTE_PRINTF (3, 4);
956
957extern void nomem (long) ATTRIBUTE_NORETURN;
958
959extern void warning (const char *, ...) ATTRIBUTE_PRINTF (1, 2);
960
961extern void vwarning (const char *, va_list args) ATTRIBUTE_PRINTF (1, 0);
962
963/* List of known OS ABIs. If you change this, make sure to update the
964 table in osabi.c. */
965enum gdb_osabi
966{
967 GDB_OSABI_UNINITIALIZED = -1, /* For struct gdbarch_info. */
968
969 GDB_OSABI_UNKNOWN = 0, /* keep this zero */
970
971 GDB_OSABI_SVR4,
972 GDB_OSABI_HURD,
973 GDB_OSABI_SOLARIS,
974 GDB_OSABI_OSF1,
975 GDB_OSABI_LINUX,
976 GDB_OSABI_FREEBSD_AOUT,
977 GDB_OSABI_FREEBSD_ELF,
978 GDB_OSABI_NETBSD_AOUT,
979 GDB_OSABI_NETBSD_ELF,
980 GDB_OSABI_OPENBSD_ELF,
981 GDB_OSABI_WINCE,
982 GDB_OSABI_GO32,
983 GDB_OSABI_IRIX,
984 GDB_OSABI_INTERIX,
985 GDB_OSABI_HPUX_ELF,
986 GDB_OSABI_HPUX_SOM,
987 GDB_OSABI_QNXNTO,
988 GDB_OSABI_CYGWIN,
989 GDB_OSABI_AIX,
990 GDB_OSABI_DICOS,
991 GDB_OSABI_DARWIN,
992 GDB_OSABI_SYMBIAN,
993
994 GDB_OSABI_INVALID /* keep this last */
995};
996
997/* Global functions from other, non-gdb GNU thingies.
998 Libiberty thingies are no longer declared here. We include libiberty.h
999 above, instead. */
1000
1001/* From other system libraries */
1002
1003#ifdef HAVE_STDDEF_H
1004#include <stddef.h>
1005#endif
1006
1007#ifdef HAVE_STDLIB_H
1008#include <stdlib.h>
1009#endif
1010#ifndef min
1011#define min(a, b) ((a) < (b) ? (a) : (b))
1012#endif
1013#ifndef max
1014#define max(a, b) ((a) > (b) ? (a) : (b))
1015#endif
1016
1017
1018#ifndef atof
1019extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
1020#endif
1021
1022/* Various possibilities for alloca. */
1023#ifndef alloca
1024#ifdef __GNUC__
1025#define alloca __builtin_alloca
1026#else /* Not GNU C */
1027#ifdef HAVE_ALLOCA_H
1028#include <alloca.h>
1029#else
1030#ifdef _AIX
1031#pragma alloca
1032#else
1033
1034/* We need to be careful not to declare this in a way which conflicts with
1035 bison. Bison never declares it as char *, but under various circumstances
1036 (like __hpux) we need to use void *. */
1037extern void *alloca ();
1038#endif /* Not _AIX */
1039#endif /* Not HAVE_ALLOCA_H */
1040#endif /* Not GNU C */
1041#endif /* alloca not defined */
1042
1043/* Dynamic target-system-dependent parameters for GDB. */
1044#include "gdbarch.h"
1045
1046/* Maximum size of a register. Something small, but large enough for
1047 all known ISAs. If it turns out to be too small, make it bigger. */
1048
1049enum { MAX_REGISTER_SIZE = 64 };
1050
1051/* Static target-system-dependent parameters for GDB. */
1052
1053/* Number of bits in a char or unsigned char for the target machine.
1054 Just like CHAR_BIT in <limits.h> but describes the target machine. */
1055#if !defined (TARGET_CHAR_BIT)
1056#define TARGET_CHAR_BIT 8
1057#endif
1058
1059/* If we picked up a copy of CHAR_BIT from a configuration file
1060 (which may get it by including <limits.h>) then use it to set
1061 the number of bits in a host char. If not, use the same size
1062 as the target. */
1063
1064#if defined (CHAR_BIT)
1065#define HOST_CHAR_BIT CHAR_BIT
1066#else
1067#define HOST_CHAR_BIT TARGET_CHAR_BIT
1068#endif
1069
1070/* In findvar.c. */
1071
1072extern LONGEST extract_signed_integer (const gdb_byte *, int,
1073 enum bfd_endian);
1074
1075extern ULONGEST extract_unsigned_integer (const gdb_byte *, int,
1076 enum bfd_endian);
1077
1078extern int extract_long_unsigned_integer (const gdb_byte *, int,
1079 enum bfd_endian, LONGEST *);
1080
1081extern CORE_ADDR extract_typed_address (const gdb_byte *buf,
1082 struct type *type);
1083
1084extern void store_signed_integer (gdb_byte *, int,
1085 enum bfd_endian, LONGEST);
1086
1087extern void store_unsigned_integer (gdb_byte *, int,
1088 enum bfd_endian, ULONGEST);
1089
1090extern void store_typed_address (gdb_byte *buf, struct type *type,
1091 CORE_ADDR addr);
1092
1093\f
1094/* From valops.c */
1095
1096extern int watchdog;
1097
1098/* Hooks for alternate command interfaces. */
1099
1100/* The name of the interpreter if specified on the command line. */
1101extern char *interpreter_p;
1102
1103/* If a given interpreter matches INTERPRETER_P then it should update
1104 deprecated_command_loop_hook and deprecated_init_ui_hook with the
1105 per-interpreter implementation. */
1106/* FIXME: deprecated_command_loop_hook and deprecated_init_ui_hook
1107 should be moved here. */
1108
1109struct target_waitstatus;
1110struct cmd_list_element;
1111
1112extern void (*deprecated_pre_add_symbol_hook) (const char *);
1113extern void (*deprecated_post_add_symbol_hook) (void);
1114extern void (*selected_frame_level_changed_hook) (int);
1115extern int (*deprecated_ui_loop_hook) (int signo);
1116extern void (*deprecated_init_ui_hook) (char *argv0);
1117extern void (*deprecated_command_loop_hook) (void);
1118extern void (*deprecated_show_load_progress) (const char *section,
1119 unsigned long section_sent,
1120 unsigned long section_size,
1121 unsigned long total_sent,
1122 unsigned long total_size);
1123extern void (*deprecated_print_frame_info_listing_hook) (struct symtab * s,
1124 int line,
1125 int stopline,
1126 int noerror);
1127extern int (*deprecated_query_hook) (const char *, va_list)
1128 ATTRIBUTE_FPTR_PRINTF(1,0);
1129extern void (*deprecated_warning_hook) (const char *, va_list)
1130 ATTRIBUTE_FPTR_PRINTF(1,0);
1131extern void (*deprecated_flush_hook) (struct ui_file * stream);
1132extern void (*deprecated_interactive_hook) (void);
1133extern void (*deprecated_readline_begin_hook) (char *, ...)
1134 ATTRIBUTE_FPTR_PRINTF_1;
1135extern char *(*deprecated_readline_hook) (char *);
1136extern void (*deprecated_readline_end_hook) (void);
1137extern void (*deprecated_register_changed_hook) (int regno);
1138extern void (*deprecated_context_hook) (int);
1139extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
1140 struct target_waitstatus *status,
1141 int options);
1142
1143extern void (*deprecated_attach_hook) (void);
1144extern void (*deprecated_detach_hook) (void);
1145extern void (*deprecated_call_command_hook) (struct cmd_list_element * c,
1146 char *cmd, int from_tty);
1147
1148extern void (*deprecated_set_hook) (struct cmd_list_element * c);
1149
1150extern void (*deprecated_error_begin_hook) (void);
1151
1152extern int (*deprecated_ui_load_progress_hook) (const char *section,
1153 unsigned long num);
1154
1155
1156/* Inhibit window interface if non-zero. */
1157
1158extern int use_windows;
1159
1160/* Definitions of filename-related things. */
1161
1162/* Host specific things. */
1163
1164#ifdef __MSDOS__
1165# define CANT_FORK
1166# define GLOBAL_CURDIR
1167# define DIRNAME_SEPARATOR ';'
1168#endif
1169
1170#if !defined (__CYGWIN__) && defined (_WIN32)
1171# define DIRNAME_SEPARATOR ';'
1172#endif
1173
1174#ifndef DIRNAME_SEPARATOR
1175#define DIRNAME_SEPARATOR ':'
1176#endif
1177
1178#ifndef SLASH_STRING
1179#define SLASH_STRING "/"
1180#endif
1181
1182/* Provide default definitions of PIDGET, TIDGET, and MERGEPID.
1183 The name ``TIDGET'' is a historical accident. Many uses of TIDGET
1184 in the code actually refer to a lightweight process id, i.e,
1185 something that can be considered a process id in its own right for
1186 certain purposes. */
1187
1188#ifndef PIDGET
1189#define PIDGET(PTID) (ptid_get_pid (PTID))
1190#define TIDGET(PTID) (ptid_get_lwp (PTID))
1191#define MERGEPID(PID, TID) ptid_build (PID, TID, 0)
1192#endif
1193
1194/* Define well known filenos if the system does not define them. */
1195#ifndef STDIN_FILENO
1196#define STDIN_FILENO 0
1197#endif
1198#ifndef STDOUT_FILENO
1199#define STDOUT_FILENO 1
1200#endif
1201#ifndef STDERR_FILENO
1202#define STDERR_FILENO 2
1203#endif
1204
1205/* If this definition isn't overridden by the header files, assume
1206 that isatty and fileno exist on this system. */
1207#ifndef ISATTY
1208#define ISATTY(FP) (isatty (fileno (FP)))
1209#endif
1210
1211/* Ensure that V is aligned to an N byte boundary (B's assumed to be a
1212 power of 2). Round up/down when necessary. Examples of correct
1213 use include:
1214
1215 addr = align_up (addr, 8); -- VALUE needs 8 byte alignment
1216 write_memory (addr, value, len);
1217 addr += len;
1218
1219 and:
1220
1221 sp = align_down (sp - len, 16); -- Keep SP 16 byte aligned
1222 write_memory (sp, value, len);
1223
1224 Note that uses such as:
1225
1226 write_memory (addr, value, len);
1227 addr += align_up (len, 8);
1228
1229 and:
1230
1231 sp -= align_up (len, 8);
1232 write_memory (sp, value, len);
1233
1234 are typically not correct as they don't ensure that the address (SP
1235 or ADDR) is correctly aligned (relying on previous alignment to
1236 keep things right). This is also why the methods are called
1237 "align_..." instead of "round_..." as the latter reads better with
1238 this incorrect coding style. */
1239
1240extern ULONGEST align_up (ULONGEST v, int n);
1241extern ULONGEST align_down (ULONGEST v, int n);
1242
1243/* Allocation and deallocation functions for the libiberty hash table
1244 which use obstacks. */
1245void *hashtab_obstack_allocate (void *data, size_t size, size_t count);
1246void dummy_obstack_deallocate (void *object, void *data);
1247
1248/* From progspace.c */
1249
1250extern void initialize_progspace (void);
1251extern void initialize_inferiors (void);
1252
1253#endif /* #ifndef DEFS_H */
GDB Binutils - Deliverables
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