1 /* *INDENT-OFF* */ /* ATTR_FORMAT confuses indent, avoid running it for now */
2 /* Basic, host-specific, and target-specific definitions for GDB.
3 Copyright (C) 1986, 1989, 1991-1996, 1998-2000
4 Free Software Foundation, Inc.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, USA. */
26 #include "config.h" /* Generated by configure */
28 #include <errno.h> /* System call error return status */
34 #include <sys/types.h> /* for size_t */
41 /* Just in case they're not defined in stdio.h. */
50 /* First include ansidecl.h so we can use the various macro definitions
51 here and in all subsequent file inclusions. */
55 #include <stdarg.h> /* for va_list */
57 #include "libiberty.h"
59 /* libiberty.h can't declare this one, but evidently we can. */
60 extern char *strsignal (int);
68 /* For BFD64 and bfd_vma. */
71 /* An address in the program being debugged. Host byte order. Rather
72 than duplicate all the logic in BFD which figures out what type
73 this is (long, long long, etc.) and whether it needs to be 64
74 bits (the host/target interactions are subtle), we just use
77 typedef bfd_vma CORE_ADDR
;
79 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
85 #define LONGEST BFD_HOST_64_BIT
86 #define ULONGEST BFD_HOST_U_64_BIT
90 #ifdef CC_HAS_LONG_LONG
91 #define LONGEST long long
92 #define ULONGEST unsigned long long
94 #ifdef BFD_HOST_64_BIT
95 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
96 (e.g. i386-windows) so try it. */
97 #define LONGEST BFD_HOST_64_BIT
98 #define ULONGEST BFD_HOST_U_64_BIT
101 #define ULONGEST unsigned long
105 #endif /* No BFD64 */
107 #endif /* ! LONGEST */
110 #define min(a, b) ((a) < (b) ? (a) : (b))
113 #define max(a, b) ((a) > (b) ? (a) : (b))
116 /* Macros to do string compares.
118 NOTE: cagney/2000-03-14:
120 While old code can continue to refer to these macros, new code is
121 probably better off using strcmp() directly vis: ``strcmp() == 0''
122 and ``strcmp() != 0''.
124 This is because modern compilers can directly inline strcmp()
125 making the original justification for these macros - avoid function
126 call overhead by pre-testing the first characters
127 (``*X==*Y?...:0'') - redundant.
129 ``Even if [...] testing the first character does have a modest
130 performance improvement, I'd rather that whenever a performance
131 issue is found that we spend the effort on algorithmic
132 optimizations than micro-optimizing.'' J.T. */
134 #define STRCMP(a,b) (*(a) == *(b) ? strcmp ((a), (b)) : (int)*(a) - (int)*(b))
135 #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0)
136 #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0)
138 /* The character GNU C++ uses to build identifiers that must be unique from
139 the program's identifiers (such as $this and $$vptr). */
140 #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */
142 /* Check if a character is one of the commonly used C++ marker characters. */
143 extern int is_cplus_marker (int);
145 /* use tui interface if non-zero */
146 extern int tui_version
;
149 /* all invocations of TUIDO should have two sets of parens */
150 #define TUIDO(x) tuiDo x
155 /* enable xdb commands if set */
156 extern int xdb_commands
;
158 /* enable dbx commands if set */
159 extern int dbx_commands
;
161 extern int quit_flag
;
162 extern int immediate_quit
;
163 extern int sevenbit_strings
;
165 extern void quit (void);
167 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
168 benefits of having a ``QUIT'' macro rather than a function are
169 marginal. If the overhead of a QUIT function call is proving
170 significant then its calling frequency should probably be reduced
171 [kingdon]. A profile analyzing the current situtation is
175 /* do twice to force compiler warning */
176 #define QUIT_FIXME "FIXME"
177 #define QUIT_FIXME "ignoring redefinition of QUIT"
180 if (quit_flag) quit (); \
181 if (interactive_hook) interactive_hook (); \
186 /* Languages represented in the symbol table and elsewhere.
187 This should probably be in language.h, but since enum's can't
188 be forward declared to satisfy opaque references before their
189 actual definition, needs to be here. */
193 language_unknown
, /* Language not known */
194 language_auto
, /* Placeholder for automatic setting */
196 language_cplus
, /* C++ */
197 language_java
, /* Java */
198 language_chill
, /* Chill */
199 language_fortran
, /* Fortran */
200 language_m2
, /* Modula-2 */
201 language_asm
, /* Assembly language */
202 language_scm
/* Scheme / Guile */
209 unspecified_precision
212 /* the cleanup list records things that have to be undone
213 if an error happens (descriptors to be closed, memory to be freed, etc.)
214 Each link in the chain records a function to call and an
217 Use make_cleanup to add an element to the cleanup chain.
218 Use do_cleanups to do all cleanup actions back to a given
219 point in the chain. Use discard_cleanups to remove cleanups
220 from the chain back to a given point, not doing them. */
224 struct cleanup
*next
;
225 void (*function
) (PTR
);
230 /* The ability to declare that a function never returns is useful, but
231 not really required to compile GDB successfully, so the NORETURN and
232 ATTR_NORETURN macros normally expand into nothing. */
234 /* If compiling with older versions of GCC, a function may be declared
235 "volatile" to indicate that it does not return. */
238 #if defined(__GNUC__) \
239 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
240 #define NORETURN volatile
242 #define NORETURN /* nothing */
246 /* GCC 2.5 and later versions define a function attribute "noreturn",
247 which is the preferred way to declare that a function never returns.
248 However GCC 2.7 appears to be the first version in which this fully
249 works everywhere we use it. */
251 #ifndef ATTR_NORETURN
252 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7))
253 #define ATTR_NORETURN __attribute__ ((noreturn))
255 #define ATTR_NORETURN /* nothing */
260 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 4))
261 #define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
263 #define ATTR_FORMAT(type, x, y) /* nothing */
267 /* Needed for various prototypes */
272 /* From blockframe.c */
274 extern int inside_entry_func (CORE_ADDR
);
276 extern int inside_entry_file (CORE_ADDR addr
);
278 extern int inside_main_func (CORE_ADDR pc
);
280 /* From ch-lang.c, for the moment. (FIXME) */
282 extern char *chill_demangle (const char *);
286 extern void initialize_utils (void);
288 extern void notice_quit (void);
290 extern int strcmp_iw (const char *, const char *);
292 extern int subset_compare (char *, char *);
294 extern char *safe_strerror (int);
296 extern char *safe_strsignal (int);
298 extern void init_malloc (void *);
300 extern void request_quit (int);
302 extern void do_cleanups (struct cleanup
*);
303 extern void do_final_cleanups (struct cleanup
*);
304 extern void do_my_cleanups (struct cleanup
**, struct cleanup
*);
305 extern void do_run_cleanups (struct cleanup
*);
306 extern void do_exec_cleanups (struct cleanup
*);
307 extern void do_exec_error_cleanups (struct cleanup
*);
309 extern void discard_cleanups (struct cleanup
*);
310 extern void discard_final_cleanups (struct cleanup
*);
311 extern void discard_exec_error_cleanups (struct cleanup
*);
312 extern void discard_my_cleanups (struct cleanup
**, struct cleanup
*);
314 /* DEPRECATED: cagney/2000-03-04: Do not use this typedef to cast
315 function pointers so that they match the argument to the various
316 cleanup functions. Post GDB 5.0, this typedef will be
317 deleted. [Editors note: cagney was the person that added most of
319 typedef void (*make_cleanup_func
) (void *);
321 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
322 make_cleanup function declarations below. Do not use this typedef
323 as a cast when passing functions into the make_cleanup() code.
324 Instead either use a bounce function or add a wrapper function.
325 Calling a f(char*) function with f(void*) is non-portable. */
326 typedef void (make_cleanup_ftype
) (void *);
328 extern struct cleanup
*make_cleanup (make_cleanup_ftype
*, void *);
330 extern struct cleanup
*make_cleanup_freeargv (char **);
333 extern struct cleanup
*make_cleanup_ui_file_delete (struct ui_file
*);
335 extern struct cleanup
*make_final_cleanup (make_cleanup_ftype
*, void *);
337 extern struct cleanup
*make_my_cleanup (struct cleanup
**,
338 make_cleanup_ftype
*, void *);
340 extern struct cleanup
*make_run_cleanup (make_cleanup_ftype
*, void *);
342 extern struct cleanup
*make_exec_cleanup (make_cleanup_ftype
*, void *);
343 extern struct cleanup
*make_exec_error_cleanup (make_cleanup_ftype
*, void *);
345 extern struct cleanup
*save_cleanups (void);
346 extern struct cleanup
*save_final_cleanups (void);
347 extern struct cleanup
*save_my_cleanups (struct cleanup
**);
349 extern void restore_cleanups (struct cleanup
*);
350 extern void restore_final_cleanups (struct cleanup
*);
351 extern void restore_my_cleanups (struct cleanup
**, struct cleanup
*);
353 extern void free_current_contents (void *);
355 extern void null_cleanup (void *);
357 extern int myread (int, char *, int);
359 extern int query (char *, ...) ATTR_FORMAT (printf
, 1, 2);
361 #if !defined (USE_MMALLOC)
362 /* NOTE: cagney/2000-03-04: The mmalloc functions need to use PTR
363 rather than void* so that they are consistent with
364 ../mmalloc/mmalloc.h. */
365 extern PTR
mcalloc (PTR
, size_t, size_t);
366 extern PTR
mmalloc (PTR
, size_t);
367 extern PTR
mrealloc (PTR
, PTR
, size_t);
368 extern void mfree (PTR
, PTR
);
371 extern void init_page_info (void);
373 /* From demangle.c */
375 extern void set_demangling_style (char *);
380 typedef int (use_struct_convention_fn
) (int gcc_p
, struct type
* value_type
);
381 extern use_struct_convention_fn generic_use_struct_convention
;
383 typedef unsigned char *(breakpoint_from_pc_fn
) (CORE_ADDR
* pcptr
, int *lenptr
);
385 /* Annotation stuff. */
387 extern int annotation_level
; /* in stack.c */
389 extern void begin_line (void);
391 extern void wrap_here (char *);
393 extern void reinitialize_more_filter (void);
396 extern struct ui_file
*gdb_stdout
;
397 /* Serious error notifications */
398 extern struct ui_file
*gdb_stderr
;
399 /* Log/debug/trace messages that should bypass normal stdout/stderr
400 filtering. For momement, always call this stream using
401 *_unfiltered. In the very near future that restriction shall be
402 removed - either call shall be unfiltered. (cagney 1999-06-13). */
403 extern struct ui_file
*gdb_stdlog
;
404 /* Target output that should bypass normal stdout/stderr filtering.
405 For momement, always call this stream using *_unfiltered. In the
406 very near future that restriction shall be removed - either call
407 shall be unfiltered. (cagney 1999-07-02). */
408 extern struct ui_file
*gdb_stdtarg
;
412 #include "tuiCommand.h"
415 #include "tuiLayout.h"
421 /* More generic printf like operations */
423 extern void fputs_filtered (const char *, struct ui_file
*);
425 extern void fputs_unfiltered (const char *, struct ui_file
*);
427 extern int fputc_filtered (int c
, struct ui_file
*);
429 extern int fputc_unfiltered (int c
, struct ui_file
*);
431 extern int putchar_unfiltered (int c
);
433 extern void puts_filtered (const char *);
435 extern void puts_unfiltered (const char *);
437 extern void puts_debug (char *prefix
, char *string
, char *suffix
);
439 extern void vprintf_filtered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
441 extern void vfprintf_filtered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
443 extern void fprintf_filtered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
445 extern void fprintfi_filtered (int, struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 3, 4);
447 extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
449 extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
451 extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
453 extern void vfprintf_unfiltered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
455 extern void fprintf_unfiltered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
457 extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
459 extern void print_spaces (int, struct ui_file
*);
461 extern void print_spaces_filtered (int, struct ui_file
*);
463 extern char *n_spaces (int);
465 extern void fputstr_filtered (const char *str
, int quotr
, struct ui_file
* stream
);
467 extern void fputstr_unfiltered (const char *str
, int quotr
, struct ui_file
* stream
);
469 extern void fputstrn_unfiltered (const char *str
, int n
, int quotr
, struct ui_file
* stream
);
471 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
472 extern void gdb_print_host_address (void *addr
, struct ui_file
*stream
);
474 /* Convert a CORE_ADDR into a HEX string. paddr() is like %08lx.
475 paddr_nz() is like %lx. paddr_u() is like %lu. paddr_width() is
477 extern int strlen_paddr (void);
478 extern char *paddr (CORE_ADDR addr
);
479 extern char *paddr_nz (CORE_ADDR addr
);
480 extern char *paddr_u (CORE_ADDR addr
);
481 extern char *paddr_d (LONGEST addr
);
483 typedef bfd_vma t_reg
;
484 extern char *preg (t_reg reg
);
485 extern char *preg_nz (t_reg reg
);
487 extern void fprintf_symbol_filtered (struct ui_file
*, char *,
490 extern NORETURN
void perror_with_name (char *) ATTR_NORETURN
;
492 extern void print_sys_errmsg (char *, int);
494 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
495 "const char *" in unistd.h, so we can't declare the argument
498 extern char *re_comp (const char *);
502 extern void symbol_file_command (char *, int);
504 /* Remote targets may wish to use this as their load function. */
505 extern void generic_load (char *name
, int from_tty
);
507 /* Summarise a download */
508 extern void print_transfer_performance (struct ui_file
*stream
,
509 unsigned long data_count
,
510 unsigned long write_count
,
511 unsigned long time_count
);
515 typedef void initialize_file_ftype (void);
517 extern char *skip_quoted (char *);
519 extern char *gdb_readline (char *);
521 extern char *command_line_input (char *, int, char *);
523 extern void print_prompt (void);
525 extern int input_from_terminal_p (void);
527 extern int info_verbose
;
529 /* From printcmd.c */
531 extern void set_next_address (CORE_ADDR
);
533 extern void print_address_symbolic (CORE_ADDR
, struct ui_file
*, int,
536 extern int build_address_symbolic (CORE_ADDR addr
,
544 extern void print_address_numeric (CORE_ADDR
, int, struct ui_file
*);
546 extern void print_address (CORE_ADDR
, struct ui_file
*);
550 extern int openp (char *, int, char *, int, int, char **);
552 extern int source_full_path_of (char *, char **);
554 extern void mod_path (char *, char **);
556 extern void directory_command (char *, int);
558 extern void init_source_path (void);
560 extern char *symtab_to_filename (struct symtab
*);
564 extern void exec_set_section_offsets (bfd_signed_vma text_off
,
565 bfd_signed_vma data_off
,
566 bfd_signed_vma bss_off
);
570 extern int read_relative_register_raw_bytes (int, char *);
572 /* Possible lvalue types. Like enum language, this should be in
573 value.h, but needs to be here for the same reason. */
579 /* In memory. Could be a saved register. */
583 /* In a gdb internal variable. */
585 /* Part of a gdb internal variable (structure field). */
586 lval_internalvar_component
,
587 /* In a register series in a frame not the current one, which may have been
588 partially saved or saved in different places (otherwise would be
589 lval_register or lval_memory). */
590 lval_reg_frame_relative
595 void default_get_saved_register (char *raw_buffer
, int *optimized
,
597 struct frame_info
*frame
, int regnum
,
598 enum lval_type
*lval
);
600 /* From readline (but not in any readline .h files). */
602 extern char *tilde_expand (char *);
604 /* Control types for commands */
606 enum misc_command_type
614 enum command_control_type
624 /* Structure for saved commands lines
625 (for breakpoints, defined commands, etc). */
629 struct command_line
*next
;
631 enum command_control_type control_type
;
633 struct command_line
**body_list
;
636 extern struct command_line
*read_command_lines (char *, int);
638 extern void free_command_lines (struct command_line
**);
640 /* To continue the execution commands when running gdb asynchronously.
641 A continuation structure contains a pointer to a function to be called
642 to finish the command, once the target has stopped. Such mechanism is
643 used bt the finish and until commands, and in the remote protocol
644 when opening an extended-remote connection. */
646 struct continuation_arg
648 struct continuation_arg
*next
;
649 union continuation_data
{
658 void (*continuation_hook
) (struct continuation_arg
*);
659 struct continuation_arg
*arg_list
;
660 struct continuation
*next
;
662 struct continuation continuation
;
665 extern struct continuation
*cmd_continuation
;
666 /* Used only by the step_1 function. */
667 extern struct continuation
*intermediate_continuation
;
670 extern void add_continuation (void (*)(struct continuation_arg
*),
671 struct continuation_arg
*);
672 extern void do_all_continuations (void);
673 extern void discard_all_continuations (void);
675 extern void add_intermediate_continuation (void (*)(struct continuation_arg
*),
676 struct continuation_arg
*);
677 extern void do_all_intermediate_continuations (void);
678 extern void discard_all_intermediate_continuations (void);
680 /* String containing the current directory (what getwd would return). */
682 extern char *current_directory
;
684 /* Default radixes for input and output. Only some values supported. */
685 extern unsigned input_radix
;
686 extern unsigned output_radix
;
688 /* Possibilities for prettyprint parameters to routines which print
689 things. Like enum language, this should be in value.h, but needs
690 to be here for the same reason. FIXME: If we can eliminate this
691 as an arg to LA_VAL_PRINT, then we can probably move it back to
696 Val_no_prettyprint
= 0,
698 /* Use the default setting which the user has specified. */
703 /* Host machine definition. This will be a symlink to one of the
704 xm-*.h files, built by the `configure' script. */
708 /* Native machine support. This will be a symlink to one of the
709 nm-*.h files, built by the `configure' script. */
713 /* Target machine definition. This will be a symlink to one of the
714 tm-*.h files, built by the `configure' script. */
718 /* If the xm.h file did not define the mode string used to open the
719 files, assume that binary files are opened the same way as text
722 #include "fopen-same.h"
725 /* Microsoft C can't deal with const pointers */
730 #define CONST_PTR const
734 * Allow things in gdb to be declared "volatile". If compiling ANSI, it
735 * just works. If compiling with gcc but non-ansi, redefine to __volatile__.
736 * If non-ansi, non-gcc, then eliminate "volatile" entirely, making those
737 * objects be read-write rather than read-only.
743 #define volatile __volatile__
745 #define volatile /* nothing */
748 #endif /* volatile */
750 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
751 FIXME: Assumes 2's complement arithmetic */
753 #if !defined (UINT_MAX)
754 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
757 #if !defined (INT_MAX)
758 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
761 #if !defined (INT_MIN)
762 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
765 #if !defined (ULONG_MAX)
766 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
769 #if !defined (LONG_MAX)
770 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
773 #if !defined (ULONGEST_MAX)
774 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 32-bits */
777 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 32-bits */
778 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
781 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
782 arguments to a function, number in a value history, register number, etc.)
783 where the value must not be larger than can fit in an int. */
785 extern int longest_to_int (LONGEST
);
787 /* Assorted functions we can declare, now that const and volatile are
790 extern char *savestring (const char *, int);
792 extern char *msavestring (void *, const char *, int);
794 extern char *strsave (const char *);
796 extern char *mstrsave (void *, const char *);
798 /* FIXME; was long, but this causes compile errors in msvc if already
801 extern PTR
xmmalloc (PTR
, size_t);
802 extern PTR
xmrealloc (PTR
, PTR
, size_t);
804 extern PTR
xmmalloc (PTR
, long);
805 extern PTR
xmrealloc (PTR
, PTR
, long);
808 extern int parse_escape (char **);
810 /* Message to be printed before the error message, when an error occurs. */
812 extern char *error_pre_print
;
814 /* Message to be printed before the error message, when an error occurs. */
816 extern char *quit_pre_print
;
818 /* Message to be printed before the warning message, when a warning occurs. */
820 extern char *warning_pre_print
;
822 extern NORETURN
void verror (const char *fmt
, va_list ap
) ATTR_NORETURN
;
824 extern NORETURN
void error (const char *fmt
, ...) ATTR_NORETURN
;
826 /* DEPRECATED: Use error(), verror() or error_stream(). */
827 extern NORETURN
void error_begin (void);
829 extern NORETURN
void error_stream (struct ui_file
*) ATTR_NORETURN
;
831 /* Returns a freshly allocate buffer containing the last error
833 extern char *error_last_message (void);
835 extern NORETURN
void internal_verror (const char *, va_list ap
) ATTR_NORETURN
;
837 extern NORETURN
void internal_error (char *, ...) ATTR_NORETURN
;
839 extern NORETURN
void nomem (long) ATTR_NORETURN
;
841 /* Reasons for calling return_to_top_level. Note: enum value 0 is
842 reserved for internal use as the return value from an initial
847 /* User interrupt. */
849 /* Any other error. */
853 #define ALL_CLEANUPS ((struct cleanup *)0)
855 #define RETURN_MASK(reason) (1 << (int)(reason))
856 #define RETURN_MASK_QUIT RETURN_MASK (RETURN_QUIT)
857 #define RETURN_MASK_ERROR RETURN_MASK (RETURN_ERROR)
858 #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
859 typedef int return_mask
;
861 extern NORETURN
void return_to_top_level (enum return_reason
) ATTR_NORETURN
;
863 /* If CATCH_ERRORS_FTYPE throws an error, catch_errors() returns zero
864 otherwize the result from CATCH_ERRORS_FTYPE is returned. It is
865 probably useful for CATCH_ERRORS_FTYPE to always return a non-zero
866 value. It's unfortunate that, catch_errors() does not return an
867 indication of the exact exception that it caught - quit_flag might
870 typedef int (catch_errors_ftype
) (PTR
);
871 extern int catch_errors (catch_errors_ftype
*, PTR
, char *, return_mask
);
873 /* Template to catch_errors() that wraps calls to command
876 typedef void (catch_command_errors_ftype
) (char *, int);
877 extern int catch_command_errors (catch_command_errors_ftype
*func
, char *command
, int from_tty
, return_mask
);
879 extern void warning_begin (void);
881 extern void warning (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
883 /* Global functions from other, non-gdb GNU thingies.
884 Libiberty thingies are no longer declared here. We include libiberty.h
887 #ifndef GETENV_PROVIDED
888 extern char *getenv (const char *);
891 /* From other system libraries */
898 #if defined(_MSC_VER) && !defined(__cplusplus)
899 /* msvc defines these in stdlib.h for c code */
906 #define min(a, b) ((a) < (b) ? (a) : (b))
909 #define max(a, b) ((a) > (b) ? (a) : (b))
913 /* We take the address of fclose later, but some stdio's forget
914 to declare this. We can't always declare it since there's
915 no way to declare the parameters without upsetting some compiler
918 #ifndef FCLOSE_PROVIDED
919 extern int fclose (FILE *);
923 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
926 #ifndef MALLOC_INCOMPATIBLE
928 #ifdef NEED_DECLARATION_MALLOC
929 extern PTR
malloc ();
932 #ifdef NEED_DECLARATION_REALLOC
933 extern PTR
realloc ();
936 #ifdef NEED_DECLARATION_FREE
940 #endif /* MALLOC_INCOMPATIBLE */
942 /* Various possibilities for alloca. */
945 #define alloca __builtin_alloca
946 #else /* Not GNU C */
954 /* We need to be careful not to declare this in a way which conflicts with
955 bison. Bison never declares it as char *, but under various circumstances
956 (like __hpux) we need to use void *. */
957 #if defined (__STDC__) || defined (__hpux)
958 extern void *alloca ();
959 #else /* Don't use void *. */
960 extern char *alloca ();
961 #endif /* Don't use void *. */
962 #endif /* Not _AIX */
963 #endif /* Not HAVE_ALLOCA_H */
964 #endif /* Not GNU C */
965 #endif /* alloca not defined */
967 /* HOST_BYTE_ORDER must be defined to one of these. */
973 #if !defined (BIG_ENDIAN)
974 #define BIG_ENDIAN 4321
977 #if !defined (LITTLE_ENDIAN)
978 #define LITTLE_ENDIAN 1234
981 /* Dynamic target-system-dependent parameters for GDB. */
983 #if (GDB_MULTI_ARCH == 0)
984 /* Multi-arch targets _should_ be including "arch-utils.h" directly
985 into their *-tdep.c file. This is a prop to help old non-
986 multi-arch targets to continue to compile. */
987 #include "arch-utils.h"
990 /* Static target-system-dependent parameters for GDB. */
992 /* Number of bits in a char or unsigned char for the target machine.
993 Just like CHAR_BIT in <limits.h> but describes the target machine. */
994 #if !defined (TARGET_CHAR_BIT)
995 #define TARGET_CHAR_BIT 8
998 /* Number of bits in a short or unsigned short for the target machine. */
999 #if !defined (TARGET_SHORT_BIT)
1000 #define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT)
1003 /* Number of bits in an int or unsigned int for the target machine. */
1004 #if !defined (TARGET_INT_BIT)
1005 #define TARGET_INT_BIT (4 * TARGET_CHAR_BIT)
1008 /* Number of bits in a long or unsigned long for the target machine. */
1009 #if !defined (TARGET_LONG_BIT)
1010 #define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT)
1013 /* Number of bits in a long long or unsigned long long for the target machine. */
1014 #if !defined (TARGET_LONG_LONG_BIT)
1015 #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT)
1018 /* Number of bits in a float for the target machine. */
1019 #if !defined (TARGET_FLOAT_BIT)
1020 #define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT)
1023 /* Number of bits in a double for the target machine. */
1024 #if !defined (TARGET_DOUBLE_BIT)
1025 #define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT)
1028 /* Number of bits in a long double for the target machine. */
1029 #if !defined (TARGET_LONG_DOUBLE_BIT)
1030 #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT)
1033 /* Number of bits in a pointer for the target machine */
1034 #if !defined (TARGET_PTR_BIT)
1035 #define TARGET_PTR_BIT TARGET_INT_BIT
1038 /* Number of bits in a BFD_VMA for the target object file format. */
1039 #if !defined (TARGET_BFD_VMA_BIT)
1040 #define TARGET_BFD_VMA_BIT TARGET_PTR_BIT
1043 /* If we picked up a copy of CHAR_BIT from a configuration file
1044 (which may get it by including <limits.h>) then use it to set
1045 the number of bits in a host char. If not, use the same size
1048 #if defined (CHAR_BIT)
1049 #define HOST_CHAR_BIT CHAR_BIT
1051 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1054 /* The bit byte-order has to do just with numbering of bits in
1055 debugging symbols and such. Conceptually, it's quite separate
1056 from byte/word byte order. */
1058 #if !defined (BITS_BIG_ENDIAN)
1059 #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN)
1064 extern LONGEST
extract_signed_integer (void *, int);
1066 extern ULONGEST
extract_unsigned_integer (void *, int);
1068 extern int extract_long_unsigned_integer (void *, int, LONGEST
*);
1070 extern CORE_ADDR
extract_address (void *, int);
1072 extern CORE_ADDR
extract_typed_address (void *buf
, struct type
*type
);
1074 extern void store_signed_integer (void *, int, LONGEST
);
1076 extern void store_unsigned_integer (void *, int, ULONGEST
);
1078 extern void store_address (void *, int, LONGEST
);
1080 extern void store_typed_address (void *buf
, struct type
*type
, CORE_ADDR addr
);
1082 /* Setup definitions for host and target floating point formats. We need to
1083 consider the format for `float', `double', and `long double' for both target
1084 and host. We need to do this so that we know what kind of conversions need
1085 to be done when converting target numbers to and from the hosts DOUBLEST
1088 /* This is used to indicate that we don't know the format of the floating point
1089 number. Typically, this is useful for native ports, where the actual format
1090 is irrelevant, since no conversions will be taking place. */
1092 extern const struct floatformat floatformat_unknown
;
1094 #if HOST_BYTE_ORDER == BIG_ENDIAN
1095 #ifndef HOST_FLOAT_FORMAT
1096 #define HOST_FLOAT_FORMAT &floatformat_ieee_single_big
1098 #ifndef HOST_DOUBLE_FORMAT
1099 #define HOST_DOUBLE_FORMAT &floatformat_ieee_double_big
1101 #else /* LITTLE_ENDIAN */
1102 #ifndef HOST_FLOAT_FORMAT
1103 #define HOST_FLOAT_FORMAT &floatformat_ieee_single_little
1105 #ifndef HOST_DOUBLE_FORMAT
1106 #define HOST_DOUBLE_FORMAT &floatformat_ieee_double_little
1110 #ifndef HOST_LONG_DOUBLE_FORMAT
1111 #define HOST_LONG_DOUBLE_FORMAT &floatformat_unknown
1114 #ifndef TARGET_FLOAT_FORMAT
1115 #define TARGET_FLOAT_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \
1116 ? &floatformat_ieee_single_big \
1117 : &floatformat_ieee_single_little)
1119 #ifndef TARGET_DOUBLE_FORMAT
1120 #define TARGET_DOUBLE_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \
1121 ? &floatformat_ieee_double_big \
1122 : &floatformat_ieee_double_little)
1125 #ifndef TARGET_LONG_DOUBLE_FORMAT
1126 #define TARGET_LONG_DOUBLE_FORMAT &floatformat_unknown
1129 /* Use `long double' if the host compiler supports it. (Note that this is not
1130 necessarily any longer than `double'. On SunOS/gcc, it's the same as
1131 double.) This is necessary because GDB internally converts all floating
1132 point values to the widest type supported by the host.
1134 There are problems however, when the target `long double' is longer than the
1135 host's `long double'. In general, we'll probably reduce the precision of
1136 any such values and print a warning. */
1138 #ifdef HAVE_LONG_DOUBLE
1139 typedef long double DOUBLEST
;
1141 typedef double DOUBLEST
;
1144 extern void floatformat_to_doublest (const struct floatformat
*,
1145 char *, DOUBLEST
*);
1146 extern void floatformat_from_doublest (const struct floatformat
*,
1147 DOUBLEST
*, char *);
1148 extern DOUBLEST
extract_floating (void *, int);
1150 extern void store_floating (void *, int, DOUBLEST
);
1152 /* On some machines there are bits in addresses which are not really
1153 part of the address, but are used by the kernel, the hardware, etc.
1154 for special purposes. ADDR_BITS_REMOVE takes out any such bits
1155 so we get a "real" address such as one would find in a symbol
1156 table. This is used only for addresses of instructions, and even then
1157 I'm not sure it's used in all contexts. It exists to deal with there
1158 being a few stray bits in the PC which would mislead us, not as some sort
1159 of generic thing to handle alignment or segmentation (it's possible it
1160 should be in TARGET_READ_PC instead). */
1161 #if !defined (ADDR_BITS_REMOVE)
1162 #define ADDR_BITS_REMOVE(addr) (addr)
1163 #endif /* No ADDR_BITS_REMOVE. */
1167 extern CORE_ADDR
push_bytes (CORE_ADDR
, char *, int);
1169 extern CORE_ADDR
push_word (CORE_ADDR
, ULONGEST
);
1171 extern int watchdog
;
1173 /* Hooks for alternate command interfaces. */
1176 /* The name of the interpreter if specified on the command line. */
1177 extern char *interpreter_p
;
1180 /* If a given interpreter matches INTERPRETER_P then it should update
1181 command_loop_hook and init_ui_hook with the per-interpreter
1183 /* FIXME: command_loop_hook and init_ui_hook should be moved here. */
1185 struct target_waitstatus
;
1186 struct cmd_list_element
;
1188 /* Should the asynchronous variant of the interpreter (using the
1189 event-loop) be enabled? */
1190 extern int event_loop_p
;
1192 extern void (*init_ui_hook
) (char *argv0
);
1193 extern void (*command_loop_hook
) (void);
1194 extern void (*show_load_progress
) (const char *section
,
1195 unsigned long section_sent
,
1196 unsigned long section_size
,
1197 unsigned long total_sent
,
1198 unsigned long total_size
);
1199 extern void (*print_frame_info_listing_hook
) (struct symtab
* s
,
1200 int line
, int stopline
,
1202 extern struct frame_info
*parse_frame_specification (char *frame_exp
);
1203 extern int (*query_hook
) (const char *, va_list);
1204 extern void (*warning_hook
) (const char *, va_list);
1205 extern void (*flush_hook
) (struct ui_file
* stream
);
1206 extern void (*create_breakpoint_hook
) (struct breakpoint
* b
);
1207 extern void (*delete_breakpoint_hook
) (struct breakpoint
* bpt
);
1208 extern void (*modify_breakpoint_hook
) (struct breakpoint
* bpt
);
1209 extern void (*interactive_hook
) (void);
1210 extern void (*registers_changed_hook
) (void);
1211 extern void (*readline_begin_hook
) (char *,...);
1212 extern char *(*readline_hook
) (char *);
1213 extern void (*readline_end_hook
) (void);
1214 extern void (*register_changed_hook
) (int regno
);
1215 extern void (*memory_changed_hook
) (CORE_ADDR addr
, int len
);
1216 extern void (*context_hook
) (int);
1217 extern int (*target_wait_hook
) (int pid
, struct target_waitstatus
* status
);
1219 extern void (*attach_hook
) (void);
1220 extern void (*detach_hook
) (void);
1221 extern void (*call_command_hook
) (struct cmd_list_element
* c
,
1222 char *cmd
, int from_tty
);
1224 extern void (*set_hook
) (struct cmd_list_element
* c
);
1226 extern NORETURN
void (*error_hook
) (void) ATTR_NORETURN
;
1228 extern void (*error_begin_hook
) (void);
1230 extern int (*ui_load_progress_hook
) (const char *section
, unsigned long num
);
1233 /* Inhibit window interface if non-zero. */
1235 extern int use_windows
;
1237 /* Symbolic definitions of filename-related things. */
1238 /* FIXME, this doesn't work very well if host and executable
1239 filesystems conventions are different. */
1241 #ifndef DIRNAME_SEPARATOR
1242 #define DIRNAME_SEPARATOR ':'
1246 #if defined(__GO32__)||defined(_WIN32)
1247 #define SLASH_P(X) ((X)=='\\')
1249 #define SLASH_P(X) ((X)=='/')
1254 #if defined(__GO32__)||defined(_WIN32)
1255 #define SLASH_CHAR '\\'
1257 #define SLASH_CHAR '/'
1261 #ifndef SLASH_STRING
1262 #if defined(__GO32__)||defined(_WIN32)
1263 #define SLASH_STRING "\\"
1265 #define SLASH_STRING "/"
1270 #define ROOTED_P(X) (SLASH_P((X)[0]))
1273 /* On some systems, PIDGET is defined to extract the inferior pid from
1274 an internal pid that has the thread id and pid in seperate bit
1275 fields. If not defined, then just use the entire internal pid as
1279 #define PIDGET(PID) (PID)
1280 #define TIDGET(PID) 0
1281 #define MERGEPID(PID, TID) (PID)
1284 /* If under Cygwin, provide backwards compatibility with older
1285 Cygwin compilers that don't define the current cpp define. */
1292 /* Define well known filenos if the system does not define them. */
1293 #ifndef STDIN_FILENO
1294 #define STDIN_FILENO 0
1296 #ifndef STDOUT_FILENO
1297 #define STDOUT_FILENO 1
1299 #ifndef STDERR_FILENO
1300 #define STDERR_FILENO 2
1303 /* If this definition isn't overridden by the header files, assume
1304 that isatty and fileno exist on this system. */
1306 #define ISATTY(FP) (isatty (fileno (FP)))
1310 /* FIXME: cagney/1999-12-13: The following will be moved to gdb.h /
1311 libgdb.h or gdblib.h. */
1313 /* Return-code (RC) from a gdb library call. (The abreviation RC is
1314 taken from the sim/common directory.) */
1317 /* The operation failed. The failure message can be fetched by
1318 calling ``char *error_last_message(void)''. The value is
1319 determined by the catch_errors() interface. */
1320 /* NOTE: Since ``defs.h:catch_errors()'' does not return an error /
1321 internal / quit indication it is not possible to return that
1324 /* No error occured but nothing happened. Due to the catch_errors()
1325 interface, this must be non-zero. */
1327 /* The operation was successful. Due to the catch_errors()
1328 interface, this must be non-zero. */
1333 /* Print the specified breakpoint on GDB_STDOUT. (Eventually this
1334 function will ``print'' the object on ``output''). */
1335 enum gdb_rc
gdb_breakpoint_query (/* struct {ui,gdb}_out *output, */ int bnum
);
1337 /* Create a breakpoint at ADDRESS (a GDB source and line). */
1338 enum gdb_rc
gdb_breakpoint (char *address
, char *condition
,
1339 int hardwareflag
, int tempflag
,
1340 int thread
, int ignore_count
);
1341 enum gdb_rc
gdb_thread_select (/* output object */ char *tidstr
);
1344 /* Print a list of known thread ids. */
1345 enum gdb_rc
gdb_list_thread_ids (/* output object */);
1347 /* Switch thread and print notification. */
1349 #endif /* #ifndef DEFS_H */