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 */
109 extern int core_addr_lessthan (CORE_ADDR lhs
, CORE_ADDR rhs
);
110 extern int core_addr_greaterthan (CORE_ADDR lhs
, CORE_ADDR rhs
);
114 #define min(a, b) ((a) < (b) ? (a) : (b))
117 #define max(a, b) ((a) > (b) ? (a) : (b))
120 /* Macros to do string compares.
122 NOTE: cagney/2000-03-14:
124 While old code can continue to refer to these macros, new code is
125 probably better off using strcmp() directly vis: ``strcmp() == 0''
126 and ``strcmp() != 0''.
128 This is because modern compilers can directly inline strcmp()
129 making the original justification for these macros - avoid function
130 call overhead by pre-testing the first characters
131 (``*X==*Y?...:0'') - redundant.
133 ``Even if [...] testing the first character does have a modest
134 performance improvement, I'd rather that whenever a performance
135 issue is found that we spend the effort on algorithmic
136 optimizations than micro-optimizing.'' J.T. */
138 #define STRCMP(a,b) (*(a) == *(b) ? strcmp ((a), (b)) : (int)*(a) - (int)*(b))
139 #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0)
140 #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0)
142 /* The character GNU C++ uses to build identifiers that must be unique from
143 the program's identifiers (such as $this and $$vptr). */
144 #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */
146 /* Check if a character is one of the commonly used C++ marker characters. */
147 extern int is_cplus_marker (int);
149 /* use tui interface if non-zero */
150 extern int tui_version
;
153 /* all invocations of TUIDO should have two sets of parens */
154 #define TUIDO(x) tuiDo x
159 /* enable xdb commands if set */
160 extern int xdb_commands
;
162 /* enable dbx commands if set */
163 extern int dbx_commands
;
165 extern int quit_flag
;
166 extern int immediate_quit
;
167 extern int sevenbit_strings
;
169 extern void quit (void);
171 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
172 benefits of having a ``QUIT'' macro rather than a function are
173 marginal. If the overhead of a QUIT function call is proving
174 significant then its calling frequency should probably be reduced
175 [kingdon]. A profile analyzing the current situtation is
179 /* do twice to force compiler warning */
180 #define QUIT_FIXME "FIXME"
181 #define QUIT_FIXME "ignoring redefinition of QUIT"
184 if (quit_flag) quit (); \
185 if (interactive_hook) interactive_hook (); \
190 /* Languages represented in the symbol table and elsewhere.
191 This should probably be in language.h, but since enum's can't
192 be forward declared to satisfy opaque references before their
193 actual definition, needs to be here. */
197 language_unknown
, /* Language not known */
198 language_auto
, /* Placeholder for automatic setting */
200 language_cplus
, /* C++ */
201 language_java
, /* Java */
202 language_chill
, /* Chill */
203 language_fortran
, /* Fortran */
204 language_m2
, /* Modula-2 */
205 language_asm
, /* Assembly language */
206 language_scm
/* Scheme / Guile */
213 unspecified_precision
216 /* the cleanup list records things that have to be undone
217 if an error happens (descriptors to be closed, memory to be freed, etc.)
218 Each link in the chain records a function to call and an
221 Use make_cleanup to add an element to the cleanup chain.
222 Use do_cleanups to do all cleanup actions back to a given
223 point in the chain. Use discard_cleanups to remove cleanups
224 from the chain back to a given point, not doing them. */
228 struct cleanup
*next
;
229 void (*function
) (PTR
);
234 /* The ability to declare that a function never returns is useful, but
235 not really required to compile GDB successfully, so the NORETURN and
236 ATTR_NORETURN macros normally expand into nothing. */
238 /* If compiling with older versions of GCC, a function may be declared
239 "volatile" to indicate that it does not return. */
242 #if defined(__GNUC__) \
243 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
244 #define NORETURN volatile
246 #define NORETURN /* nothing */
250 /* GCC 2.5 and later versions define a function attribute "noreturn",
251 which is the preferred way to declare that a function never returns.
252 However GCC 2.7 appears to be the first version in which this fully
253 works everywhere we use it. */
255 #ifndef ATTR_NORETURN
256 #if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 7
257 #define ATTR_NORETURN __attribute__ ((noreturn))
259 #define ATTR_NORETURN /* nothing */
264 #if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 4
265 #define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
267 #define ATTR_FORMAT(type, x, y) /* nothing */
271 /* Needed for various prototypes */
276 /* From blockframe.c */
278 extern int inside_entry_func (CORE_ADDR
);
280 extern int inside_entry_file (CORE_ADDR addr
);
282 extern int inside_main_func (CORE_ADDR pc
);
284 /* From ch-lang.c, for the moment. (FIXME) */
286 extern char *chill_demangle (const char *);
290 extern void initialize_utils (void);
292 extern void notice_quit (void);
294 extern int strcmp_iw (const char *, const char *);
296 extern int subset_compare (char *, char *);
298 extern char *safe_strerror (int);
300 extern char *safe_strsignal (int);
302 extern void init_malloc (void *);
304 extern void request_quit (int);
306 extern void do_cleanups (struct cleanup
*);
307 extern void do_final_cleanups (struct cleanup
*);
308 extern void do_my_cleanups (struct cleanup
**, struct cleanup
*);
309 extern void do_run_cleanups (struct cleanup
*);
310 extern void do_exec_cleanups (struct cleanup
*);
311 extern void do_exec_error_cleanups (struct cleanup
*);
313 extern void discard_cleanups (struct cleanup
*);
314 extern void discard_final_cleanups (struct cleanup
*);
315 extern void discard_exec_error_cleanups (struct cleanup
*);
316 extern void discard_my_cleanups (struct cleanup
**, struct cleanup
*);
318 /* DEPRECATED: cagney/2000-03-04: Do not use this typedef to cast
319 function pointers so that they match the argument to the various
320 cleanup functions. Post GDB 5.0, this typedef will be
321 deleted. [Editors note: cagney was the person that added most of
323 typedef void (*make_cleanup_func
) (void *);
325 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
326 make_cleanup function declarations below. Do not use this typedef
327 as a cast when passing functions into the make_cleanup() code.
328 Instead either use a bounce function or add a wrapper function.
329 Calling a f(char*) function with f(void*) is non-portable. */
330 typedef void (make_cleanup_ftype
) (void *);
332 extern struct cleanup
*make_cleanup (make_cleanup_ftype
*, void *);
334 extern struct cleanup
*make_cleanup_freeargv (char **);
337 extern struct cleanup
*make_cleanup_ui_file_delete (struct ui_file
*);
339 extern struct cleanup
*make_final_cleanup (make_cleanup_ftype
*, void *);
341 extern struct cleanup
*make_my_cleanup (struct cleanup
**,
342 make_cleanup_ftype
*, void *);
344 extern struct cleanup
*make_run_cleanup (make_cleanup_ftype
*, void *);
346 extern struct cleanup
*make_exec_cleanup (make_cleanup_ftype
*, void *);
347 extern struct cleanup
*make_exec_error_cleanup (make_cleanup_ftype
*, void *);
349 extern struct cleanup
*save_cleanups (void);
350 extern struct cleanup
*save_final_cleanups (void);
351 extern struct cleanup
*save_my_cleanups (struct cleanup
**);
353 extern void restore_cleanups (struct cleanup
*);
354 extern void restore_final_cleanups (struct cleanup
*);
355 extern void restore_my_cleanups (struct cleanup
**, struct cleanup
*);
357 extern void free_current_contents (char **);
359 extern void null_cleanup (void *);
361 extern int myread (int, char *, int);
363 extern int query (char *, ...) ATTR_FORMAT (printf
, 1, 2);
365 #if !defined (USE_MMALLOC)
366 /* NOTE: cagney/2000-03-04: The mmalloc functions need to use PTR
367 rather than void* so that they are consistent with
368 ../mmalloc/mmalloc.h. */
369 extern PTR
mcalloc (PTR
, size_t, size_t);
370 extern PTR
mmalloc (PTR
, size_t);
371 extern PTR
mrealloc (PTR
, PTR
, size_t);
372 extern void mfree (PTR
, PTR
);
375 extern void init_page_info (void);
377 /* From demangle.c */
379 extern void set_demangling_style (char *);
384 typedef int (use_struct_convention_fn
) (int gcc_p
, struct type
* value_type
);
385 extern use_struct_convention_fn generic_use_struct_convention
;
387 typedef unsigned char *(breakpoint_from_pc_fn
) (CORE_ADDR
* pcptr
, int *lenptr
);
389 /* Annotation stuff. */
391 extern int annotation_level
; /* in stack.c */
393 extern void begin_line (void);
395 extern void wrap_here (char *);
397 extern void reinitialize_more_filter (void);
400 extern struct ui_file
*gdb_stdout
;
401 /* Serious error notifications */
402 extern struct ui_file
*gdb_stderr
;
403 /* Log/debug/trace messages that should bypass normal stdout/stderr
404 filtering. For momement, always call this stream using
405 *_unfiltered. In the very near future that restriction shall be
406 removed - either call shall be unfiltered. (cagney 1999-06-13). */
407 extern struct ui_file
*gdb_stdlog
;
408 /* Target output that should bypass normal stdout/stderr filtering.
409 For momement, always call this stream using *_unfiltered. In the
410 very near future that restriction shall be removed - either call
411 shall be unfiltered. (cagney 1999-07-02). */
412 extern struct ui_file
*gdb_stdtarg
;
416 #include "tuiCommand.h"
419 #include "tuiLayout.h"
425 /* More generic printf like operations */
427 extern void fputs_filtered (const char *, struct ui_file
*);
429 extern void fputs_unfiltered (const char *, struct ui_file
*);
431 extern int fputc_filtered (int c
, struct ui_file
*);
433 extern int fputc_unfiltered (int c
, struct ui_file
*);
435 extern int putchar_unfiltered (int c
);
437 extern void puts_filtered (const char *);
439 extern void puts_unfiltered (const char *);
441 extern void puts_debug (char *prefix
, char *string
, char *suffix
);
443 extern void vprintf_filtered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
445 extern void vfprintf_filtered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
447 extern void fprintf_filtered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
449 extern void fprintfi_filtered (int, struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 3, 4);
451 extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
453 extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
455 extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
457 extern void vfprintf_unfiltered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
459 extern void fprintf_unfiltered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
461 extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
463 extern void print_spaces (int, struct ui_file
*);
465 extern void print_spaces_filtered (int, struct ui_file
*);
467 extern char *n_spaces (int);
469 extern void fputstr_filtered (const char *str
, int quotr
, struct ui_file
* stream
);
471 extern void fputstr_unfiltered (const char *str
, int quotr
, struct ui_file
* stream
);
473 extern void fputstrn_unfiltered (const char *str
, int n
, int quotr
, struct ui_file
* stream
);
475 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
476 extern void gdb_print_host_address (void *addr
, struct ui_file
*stream
);
478 /* Convert a CORE_ADDR into a HEX string. paddr() is like %08lx.
479 paddr_nz() is like %lx. paddr_u() is like %lu. paddr_width() is
481 extern int strlen_paddr (void);
482 extern char *paddr (CORE_ADDR addr
);
483 extern char *paddr_nz (CORE_ADDR addr
);
484 extern char *paddr_u (CORE_ADDR addr
);
485 extern char *paddr_d (LONGEST addr
);
487 typedef bfd_vma t_reg
;
488 extern char *preg (t_reg reg
);
489 extern char *preg_nz (t_reg reg
);
491 extern void fprintf_symbol_filtered (struct ui_file
*, char *,
494 extern NORETURN
void perror_with_name (char *) ATTR_NORETURN
;
496 extern void print_sys_errmsg (char *, int);
498 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
499 "const char *" in unistd.h, so we can't declare the argument
502 extern char *re_comp (const char *);
506 extern void symbol_file_command (char *, int);
508 /* Remote targets may wish to use this as their load function. */
509 extern void generic_load (char *name
, int from_tty
);
511 /* Summarise a download */
512 extern void print_transfer_performance (struct ui_file
*stream
,
513 unsigned long data_count
,
514 unsigned long write_count
,
515 unsigned long time_count
);
519 typedef void initialize_file_ftype (void);
521 extern char *skip_quoted (char *);
523 extern char *gdb_readline (char *);
525 extern char *command_line_input (char *, int, char *);
527 extern void print_prompt (void);
529 extern int input_from_terminal_p (void);
531 extern int info_verbose
;
533 /* From printcmd.c */
535 extern void set_next_address (CORE_ADDR
);
537 extern void print_address_symbolic (CORE_ADDR
, struct ui_file
*, int,
540 extern int build_address_symbolic (CORE_ADDR addr
,
548 extern void print_address_numeric (CORE_ADDR
, int, struct ui_file
*);
550 extern void print_address (CORE_ADDR
, struct ui_file
*);
554 extern int openp (char *, int, char *, int, int, char **);
556 extern int source_full_path_of (char *, char **);
558 extern void mod_path (char *, char **);
560 extern void directory_command (char *, int);
562 extern void init_source_path (void);
564 extern char *symtab_to_filename (struct symtab
*);
568 extern void exec_set_section_offsets (bfd_signed_vma text_off
,
569 bfd_signed_vma data_off
,
570 bfd_signed_vma bss_off
);
574 extern int read_relative_register_raw_bytes (int, char *);
576 /* Possible lvalue types. Like enum language, this should be in
577 value.h, but needs to be here for the same reason. */
583 /* In memory. Could be a saved register. */
587 /* In a gdb internal variable. */
589 /* Part of a gdb internal variable (structure field). */
590 lval_internalvar_component
,
591 /* In a register series in a frame not the current one, which may have been
592 partially saved or saved in different places (otherwise would be
593 lval_register or lval_memory). */
594 lval_reg_frame_relative
599 void default_get_saved_register (char *raw_buffer
, int *optimized
,
601 struct frame_info
*frame
, int regnum
,
602 enum lval_type
*lval
);
604 /* From readline (but not in any readline .h files). */
606 extern char *tilde_expand (char *);
608 /* Control types for commands */
610 enum misc_command_type
618 enum command_control_type
628 /* Structure for saved commands lines
629 (for breakpoints, defined commands, etc). */
633 struct command_line
*next
;
635 enum command_control_type control_type
;
637 struct command_line
**body_list
;
640 extern struct command_line
*read_command_lines (char *, int);
642 extern void free_command_lines (struct command_line
**);
644 /* To continue the execution commands when running gdb asynchronously.
645 A continuation structure contains a pointer to a function to be called
646 to finish the command, once the target has stopped. Such mechanism is
647 used bt the finish and until commands, and in the remote protocol
648 when opening an extended-remote connection. */
650 struct continuation_arg
652 struct continuation_arg
*next
;
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. */
984 /* Static target-system-dependent parameters for GDB. */
986 /* Number of bits in a char or unsigned char for the target machine.
987 Just like CHAR_BIT in <limits.h> but describes the target machine. */
988 #if !defined (TARGET_CHAR_BIT)
989 #define TARGET_CHAR_BIT 8
992 /* Number of bits in a short or unsigned short for the target machine. */
993 #if !defined (TARGET_SHORT_BIT)
994 #define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT)
997 /* Number of bits in an int or unsigned int for the target machine. */
998 #if !defined (TARGET_INT_BIT)
999 #define TARGET_INT_BIT (4 * TARGET_CHAR_BIT)
1002 /* Number of bits in a long or unsigned long for the target machine. */
1003 #if !defined (TARGET_LONG_BIT)
1004 #define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT)
1007 /* Number of bits in a long long or unsigned long long for the target machine. */
1008 #if !defined (TARGET_LONG_LONG_BIT)
1009 #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT)
1012 /* Number of bits in a float for the target machine. */
1013 #if !defined (TARGET_FLOAT_BIT)
1014 #define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT)
1017 /* Number of bits in a double for the target machine. */
1018 #if !defined (TARGET_DOUBLE_BIT)
1019 #define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT)
1022 /* Number of bits in a long double for the target machine. */
1023 #if !defined (TARGET_LONG_DOUBLE_BIT)
1024 #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT)
1027 /* Number of bits in a pointer for the target machine */
1028 #if !defined (TARGET_PTR_BIT)
1029 #define TARGET_PTR_BIT TARGET_INT_BIT
1032 /* Number of bits in a BFD_VMA for the target object file format. */
1033 #if !defined (TARGET_BFD_VMA_BIT)
1034 #define TARGET_BFD_VMA_BIT TARGET_PTR_BIT
1037 /* If we picked up a copy of CHAR_BIT from a configuration file
1038 (which may get it by including <limits.h>) then use it to set
1039 the number of bits in a host char. If not, use the same size
1042 #if defined (CHAR_BIT)
1043 #define HOST_CHAR_BIT CHAR_BIT
1045 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1048 /* The bit byte-order has to do just with numbering of bits in
1049 debugging symbols and such. Conceptually, it's quite separate
1050 from byte/word byte order. */
1052 #if !defined (BITS_BIG_ENDIAN)
1053 #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN)
1058 extern LONGEST
extract_signed_integer (void *, int);
1060 extern ULONGEST
extract_unsigned_integer (void *, int);
1062 extern int extract_long_unsigned_integer (void *, int, LONGEST
*);
1064 extern CORE_ADDR
extract_address (void *, int);
1066 extern void store_signed_integer (void *, int, LONGEST
);
1068 extern void store_unsigned_integer (void *, int, ULONGEST
);
1070 extern void store_address (void *, int, LONGEST
);
1072 /* Setup definitions for host and target floating point formats. We need to
1073 consider the format for `float', `double', and `long double' for both target
1074 and host. We need to do this so that we know what kind of conversions need
1075 to be done when converting target numbers to and from the hosts DOUBLEST
1078 /* This is used to indicate that we don't know the format of the floating point
1079 number. Typically, this is useful for native ports, where the actual format
1080 is irrelevant, since no conversions will be taking place. */
1082 extern const struct floatformat floatformat_unknown
;
1084 #if HOST_BYTE_ORDER == BIG_ENDIAN
1085 #ifndef HOST_FLOAT_FORMAT
1086 #define HOST_FLOAT_FORMAT &floatformat_ieee_single_big
1088 #ifndef HOST_DOUBLE_FORMAT
1089 #define HOST_DOUBLE_FORMAT &floatformat_ieee_double_big
1091 #else /* LITTLE_ENDIAN */
1092 #ifndef HOST_FLOAT_FORMAT
1093 #define HOST_FLOAT_FORMAT &floatformat_ieee_single_little
1095 #ifndef HOST_DOUBLE_FORMAT
1096 #define HOST_DOUBLE_FORMAT &floatformat_ieee_double_little
1100 #ifndef HOST_LONG_DOUBLE_FORMAT
1101 #define HOST_LONG_DOUBLE_FORMAT &floatformat_unknown
1104 #ifndef TARGET_FLOAT_FORMAT
1105 #define TARGET_FLOAT_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \
1106 ? &floatformat_ieee_single_big \
1107 : &floatformat_ieee_single_little)
1109 #ifndef TARGET_DOUBLE_FORMAT
1110 #define TARGET_DOUBLE_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \
1111 ? &floatformat_ieee_double_big \
1112 : &floatformat_ieee_double_little)
1115 #ifndef TARGET_LONG_DOUBLE_FORMAT
1116 #define TARGET_LONG_DOUBLE_FORMAT &floatformat_unknown
1119 /* Use `long double' if the host compiler supports it. (Note that this is not
1120 necessarily any longer than `double'. On SunOS/gcc, it's the same as
1121 double.) This is necessary because GDB internally converts all floating
1122 point values to the widest type supported by the host.
1124 There are problems however, when the target `long double' is longer than the
1125 host's `long double'. In general, we'll probably reduce the precision of
1126 any such values and print a warning. */
1128 #ifdef HAVE_LONG_DOUBLE
1129 typedef long double DOUBLEST
;
1131 typedef double DOUBLEST
;
1134 extern void floatformat_to_doublest (const struct floatformat
*,
1135 char *, DOUBLEST
*);
1136 extern void floatformat_from_doublest (const struct floatformat
*,
1137 DOUBLEST
*, char *);
1138 extern DOUBLEST
extract_floating (void *, int);
1140 extern void store_floating (void *, int, DOUBLEST
);
1142 /* On some machines there are bits in addresses which are not really
1143 part of the address, but are used by the kernel, the hardware, etc.
1144 for special purposes. ADDR_BITS_REMOVE takes out any such bits
1145 so we get a "real" address such as one would find in a symbol
1146 table. This is used only for addresses of instructions, and even then
1147 I'm not sure it's used in all contexts. It exists to deal with there
1148 being a few stray bits in the PC which would mislead us, not as some sort
1149 of generic thing to handle alignment or segmentation (it's possible it
1150 should be in TARGET_READ_PC instead). */
1151 #if !defined (ADDR_BITS_REMOVE)
1152 #define ADDR_BITS_REMOVE(addr) (addr)
1153 #endif /* No ADDR_BITS_REMOVE. */
1157 extern CORE_ADDR
push_bytes (CORE_ADDR
, char *, int);
1159 extern CORE_ADDR
push_word (CORE_ADDR
, ULONGEST
);
1161 extern int watchdog
;
1163 /* Hooks for alternate command interfaces. */
1166 /* The name of the interpreter if specified on the command line. */
1167 extern char *interpreter_p
;
1170 /* If a given interpreter matches INTERPRETER_P then it should update
1171 command_loop_hook and init_ui_hook with the per-interpreter
1173 /* FIXME: command_loop_hook and init_ui_hook should be moved here. */
1175 struct target_waitstatus
;
1176 struct cmd_list_element
;
1178 /* Should the asynchronous variant of the interpreter (using the
1179 event-loop) be enabled? */
1180 extern int event_loop_p
;
1182 extern void (*init_ui_hook
) (char *argv0
);
1183 extern void (*command_loop_hook
) (void);
1184 extern void (*show_load_progress
) (const char *section
,
1185 unsigned long section_sent
,
1186 unsigned long section_size
,
1187 unsigned long total_sent
,
1188 unsigned long total_size
);
1189 extern void (*print_frame_info_listing_hook
) (struct symtab
* s
,
1190 int line
, int stopline
,
1192 extern struct frame_info
*parse_frame_specification (char *frame_exp
);
1193 extern int (*query_hook
) (const char *, va_list);
1194 extern void (*warning_hook
) (const char *, va_list);
1195 extern void (*flush_hook
) (struct ui_file
* stream
);
1196 extern void (*create_breakpoint_hook
) (struct breakpoint
* b
);
1197 extern void (*delete_breakpoint_hook
) (struct breakpoint
* bpt
);
1198 extern void (*modify_breakpoint_hook
) (struct breakpoint
* bpt
);
1199 extern void (*interactive_hook
) (void);
1200 extern void (*registers_changed_hook
) (void);
1201 extern void (*readline_begin_hook
) (char *,...);
1202 extern char *(*readline_hook
) (char *);
1203 extern void (*readline_end_hook
) (void);
1204 extern void (*register_changed_hook
) (int regno
);
1205 extern void (*memory_changed_hook
) (CORE_ADDR addr
, int len
);
1206 extern void (*context_hook
) (int);
1207 extern int (*target_wait_hook
) (int pid
, struct target_waitstatus
* status
);
1209 extern void (*attach_hook
) (void);
1210 extern void (*detach_hook
) (void);
1211 extern void (*call_command_hook
) (struct cmd_list_element
* c
,
1212 char *cmd
, int from_tty
);
1214 extern void (*set_hook
) (struct cmd_list_element
* c
);
1216 extern NORETURN
void (*error_hook
) (void) ATTR_NORETURN
;
1218 extern void (*error_begin_hook
) (void);
1220 extern int (*ui_load_progress_hook
) (const char *section
, unsigned long num
);
1223 /* Inhibit window interface if non-zero. */
1225 extern int use_windows
;
1227 /* Symbolic definitions of filename-related things. */
1228 /* FIXME, this doesn't work very well if host and executable
1229 filesystems conventions are different. */
1231 #ifndef DIRNAME_SEPARATOR
1232 #define DIRNAME_SEPARATOR ':'
1236 #if defined(__GO32__)||defined(_WIN32)
1237 #define SLASH_P(X) ((X)=='\\')
1239 #define SLASH_P(X) ((X)=='/')
1244 #if defined(__GO32__)||defined(_WIN32)
1245 #define SLASH_CHAR '\\'
1247 #define SLASH_CHAR '/'
1251 #ifndef SLASH_STRING
1252 #if defined(__GO32__)||defined(_WIN32)
1253 #define SLASH_STRING "\\"
1255 #define SLASH_STRING "/"
1260 #define ROOTED_P(X) (SLASH_P((X)[0]))
1263 /* On some systems, PIDGET is defined to extract the inferior pid from
1264 an internal pid that has the thread id and pid in seperate bit
1265 fields. If not defined, then just use the entire internal pid as
1269 #define PIDGET(PID) (PID)
1270 #define TIDGET(PID) 0
1271 #define MERGEPID(PID, TID) (PID)
1274 /* If under Cygwin, provide backwards compatibility with older
1275 Cygwin compilers that don't define the current cpp define. */
1282 /* Define well known filenos if the system does not define them. */
1283 #ifndef STDIN_FILENO
1284 #define STDIN_FILENO 0
1286 #ifndef STDOUT_FILENO
1287 #define STDOUT_FILENO 1
1289 #ifndef STDERR_FILENO
1290 #define STDERR_FILENO 2
1293 /* If this definition isn't overridden by the header files, assume
1294 that isatty and fileno exist on this system. */
1296 #define ISATTY(FP) (isatty (fileno (FP)))
1300 /* FIXME: cagney/1999-12-13: The following will be moved to gdb.h /
1301 libgdb.h or gdblib.h. */
1303 /* Return-code (RC) from a gdb library call. (The abreviation RC is
1304 taken from the sim/common directory.) */
1307 /* The operation failed. The failure message can be fetched by
1308 calling ``char *error_last_message(void)''. The value is
1309 determined by the catch_errors() interface. */
1310 /* NOTE: Since ``defs.h:catch_errors()'' does not return an error /
1311 internal / quit indication it is not possible to return that
1314 /* No error occured but nothing happened. Due to the catch_errors()
1315 interface, this must be non-zero. */
1317 /* The operation was successful. Due to the catch_errors()
1318 interface, this must be non-zero. */
1323 /* Print the specified breakpoint on GDB_STDOUT. (Eventually this
1324 function will ``print'' the object on ``output''). */
1325 enum gdb_rc
gdb_breakpoint_query (/* struct {ui,gdb}_out *output, */ int bnum
);
1327 /* Create a breakpoint at ADDRESS (a GDB source and line). */
1328 enum gdb_rc
gdb_breakpoint (char *address
, char *condition
,
1329 int hardwareflag
, int tempflag
,
1330 int thread
, int ignore_count
);
1331 enum gdb_rc
gdb_thread_select (/* output object */ char *tidstr
);
1334 /* Print a list of known thread ids. */
1335 enum gdb_rc
gdb_list_thread_ids (/* output object */);
1337 /* Switch thread and print notification. */
1339 #endif /* #ifndef DEFS_H */