1 /* *INDENT-OFF* */ /* ATTR_FORMAT confuses indent, avoid running it for now */
2 /* Basic, host-specific, and target-specific definitions for GDB.
3 Copyright 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
4 1997, 1998, 1999, 2000, 2001
5 Free Software Foundation, Inc.
7 This file is part of GDB.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place - Suite 330,
22 Boston, MA 02111-1307, USA. */
27 #include "config.h" /* Generated by configure */
29 #include <errno.h> /* System call error return status */
35 #include <sys/types.h> /* for size_t */
42 /* Just in case they're not defined in stdio.h. */
51 /* First include ansidecl.h so we can use the various macro definitions
52 here and in all subsequent file inclusions. */
56 #include <stdarg.h> /* for va_list */
58 #include "libiberty.h"
66 /* For BFD64 and bfd_vma. */
70 /* The target is partially multi-arched. Both "tm.h" and the
71 multi-arch vector provide definitions. "tm.h" normally overrides
72 the multi-arch vector (but there are a few exceptions). */
74 #define GDB_MULTI_ARCH_PARTIAL 1
76 /* The target is multi-arched. The MULTI-ARCH vector provides all
77 definitions. "tm.h" is included and may provide definitions of
78 non- multi-arch macros.. */
80 #define GDB_MULTI_ARCH_TM 2
82 /* The target is pure multi-arch. The MULTI-ARCH vector provides all
83 definitions. "tm.h" is linked to an empty file. */
85 #define GDB_MULTI_ARCH_PURE 3
89 /* An address in the program being debugged. Host byte order. Rather
90 than duplicate all the logic in BFD which figures out what type
91 this is (long, long long, etc.) and whether it needs to be 64
92 bits (the host/target interactions are subtle), we just use
95 typedef bfd_vma CORE_ADDR
;
97 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
103 #define LONGEST BFD_HOST_64_BIT
104 #define ULONGEST BFD_HOST_U_64_BIT
108 #ifdef CC_HAS_LONG_LONG
109 #define LONGEST long long
110 #define ULONGEST unsigned long long
112 #ifdef BFD_HOST_64_BIT
113 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
114 (e.g. i386-windows) so try it. */
115 #define LONGEST BFD_HOST_64_BIT
116 #define ULONGEST BFD_HOST_U_64_BIT
119 #define ULONGEST unsigned long
123 #endif /* No BFD64 */
125 #endif /* ! LONGEST */
128 #define min(a, b) ((a) < (b) ? (a) : (b))
131 #define max(a, b) ((a) > (b) ? (a) : (b))
134 /* Macros to do string compares.
136 NOTE: cagney/2000-03-14:
138 While old code can continue to refer to these macros, new code is
139 probably better off using strcmp() directly vis: ``strcmp() == 0''
140 and ``strcmp() != 0''.
142 This is because modern compilers can directly inline strcmp()
143 making the original justification for these macros - avoid function
144 call overhead by pre-testing the first characters
145 (``*X==*Y?...:0'') - redundant.
147 ``Even if [...] testing the first character does have a modest
148 performance improvement, I'd rather that whenever a performance
149 issue is found that we spend the effort on algorithmic
150 optimizations than micro-optimizing.'' J.T. */
152 #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0)
153 #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0)
155 /* The character GNU C++ uses to build identifiers that must be unique from
156 the program's identifiers (such as $this and $$vptr). */
157 #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */
159 /* Check if a character is one of the commonly used C++ marker characters. */
160 extern int is_cplus_marker (int);
162 /* use tui interface if non-zero */
163 extern int tui_version
;
166 /* all invocations of TUIDO should have two sets of parens */
167 #define TUIDO(x) tuiDo x
172 /* enable xdb commands if set */
173 extern int xdb_commands
;
175 /* enable dbx commands if set */
176 extern int dbx_commands
;
178 extern int quit_flag
;
179 extern int immediate_quit
;
180 extern int sevenbit_strings
;
182 extern void quit (void);
184 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
185 benefits of having a ``QUIT'' macro rather than a function are
186 marginal. If the overhead of a QUIT function call is proving
187 significant then its calling frequency should probably be reduced
188 [kingdon]. A profile analyzing the current situtation is
192 /* do twice to force compiler warning */
193 #define QUIT_FIXME "FIXME"
194 #define QUIT_FIXME "ignoring redefinition of QUIT"
197 if (quit_flag) quit (); \
198 if (interactive_hook) interactive_hook (); \
203 /* Languages represented in the symbol table and elsewhere.
204 This should probably be in language.h, but since enum's can't
205 be forward declared to satisfy opaque references before their
206 actual definition, needs to be here. */
210 language_unknown
, /* Language not known */
211 language_auto
, /* Placeholder for automatic setting */
213 language_cplus
, /* C++ */
214 language_java
, /* Java */
215 language_chill
, /* Chill */
216 language_fortran
, /* Fortran */
217 language_m2
, /* Modula-2 */
218 language_asm
, /* Assembly language */
219 language_scm
, /* Scheme / Guile */
220 language_pascal
/* Pascal */
227 unspecified_precision
230 /* the cleanup list records things that have to be undone
231 if an error happens (descriptors to be closed, memory to be freed, etc.)
232 Each link in the chain records a function to call and an
235 Use make_cleanup to add an element to the cleanup chain.
236 Use do_cleanups to do all cleanup actions back to a given
237 point in the chain. Use discard_cleanups to remove cleanups
238 from the chain back to a given point, not doing them. */
242 struct cleanup
*next
;
243 void (*function
) (PTR
);
248 /* The ability to declare that a function never returns is useful, but
249 not really required to compile GDB successfully, so the NORETURN and
250 ATTR_NORETURN macros normally expand into nothing. */
252 /* If compiling with older versions of GCC, a function may be declared
253 "volatile" to indicate that it does not return. */
256 #if defined(__GNUC__) \
257 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
258 #define NORETURN volatile
260 #define NORETURN /* nothing */
264 /* GCC 2.5 and later versions define a function attribute "noreturn",
265 which is the preferred way to declare that a function never returns.
266 However GCC 2.7 appears to be the first version in which this fully
267 works everywhere we use it. */
269 #ifndef ATTR_NORETURN
270 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7))
271 #define ATTR_NORETURN __attribute__ ((noreturn))
273 #define ATTR_NORETURN /* nothing */
278 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 4))
279 #define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
281 #define ATTR_FORMAT(type, x, y) /* nothing */
285 /* Needed for various prototypes */
290 /* From blockframe.c */
292 extern int inside_entry_func (CORE_ADDR
);
294 extern int inside_entry_file (CORE_ADDR addr
);
296 extern int inside_main_func (CORE_ADDR pc
);
298 /* From ch-lang.c, for the moment. (FIXME) */
300 extern char *chill_demangle (const char *);
304 extern void initialize_utils (void);
306 extern void notice_quit (void);
308 extern int strcmp_iw (const char *, const char *);
310 extern int subset_compare (char *, char *);
312 extern char *safe_strerror (int);
314 extern void init_malloc (void *);
316 extern void request_quit (int);
318 extern void do_cleanups (struct cleanup
*);
319 extern void do_final_cleanups (struct cleanup
*);
320 extern void do_my_cleanups (struct cleanup
**, struct cleanup
*);
321 extern void do_run_cleanups (struct cleanup
*);
322 extern void do_exec_cleanups (struct cleanup
*);
323 extern void do_exec_error_cleanups (struct cleanup
*);
325 extern void discard_cleanups (struct cleanup
*);
326 extern void discard_final_cleanups (struct cleanup
*);
327 extern void discard_exec_error_cleanups (struct cleanup
*);
328 extern void discard_my_cleanups (struct cleanup
**, struct cleanup
*);
330 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
331 make_cleanup function declarations below. Do not use this typedef
332 as a cast when passing functions into the make_cleanup() code.
333 Instead either use a bounce function or add a wrapper function.
334 Calling a f(char*) function with f(void*) is non-portable. */
335 typedef void (make_cleanup_ftype
) (void *);
337 extern struct cleanup
*make_cleanup (make_cleanup_ftype
*, void *);
339 extern struct cleanup
*make_cleanup_freeargv (char **);
342 extern struct cleanup
*make_cleanup_ui_file_delete (struct ui_file
*);
344 extern struct cleanup
*make_cleanup_close (int fd
);
346 extern struct cleanup
*make_cleanup_bfd_close (bfd
*abfd
);
348 extern struct cleanup
*make_final_cleanup (make_cleanup_ftype
*, void *);
350 extern struct cleanup
*make_my_cleanup (struct cleanup
**,
351 make_cleanup_ftype
*, void *);
353 extern struct cleanup
*make_run_cleanup (make_cleanup_ftype
*, void *);
355 extern struct cleanup
*make_exec_cleanup (make_cleanup_ftype
*, void *);
356 extern struct cleanup
*make_exec_error_cleanup (make_cleanup_ftype
*, void *);
358 extern struct cleanup
*save_cleanups (void);
359 extern struct cleanup
*save_final_cleanups (void);
360 extern struct cleanup
*save_my_cleanups (struct cleanup
**);
362 extern void restore_cleanups (struct cleanup
*);
363 extern void restore_final_cleanups (struct cleanup
*);
364 extern void restore_my_cleanups (struct cleanup
**, struct cleanup
*);
366 extern void free_current_contents (void *);
368 extern void null_cleanup (void *);
370 extern void xfree (void *);
372 extern int myread (int, char *, int);
374 extern int query (char *, ...) ATTR_FORMAT (printf
, 1, 2);
376 #if !defined (USE_MMALLOC)
377 /* NOTE: cagney/2000-03-04: The mmalloc functions need to use PTR
378 rather than void* so that they are consistent with
379 ../mmalloc/mmalloc.h. */
380 extern PTR
mcalloc (PTR
, size_t, size_t);
381 extern PTR
mmalloc (PTR
, size_t);
382 extern PTR
mrealloc (PTR
, PTR
, size_t);
383 extern void mfree (PTR
, PTR
);
386 extern void init_page_info (void);
388 extern CORE_ADDR
host_pointer_to_address (void *ptr
);
389 extern void *address_to_host_pointer (CORE_ADDR addr
);
391 /* From demangle.c */
393 extern void set_demangling_style (char *);
398 typedef int (use_struct_convention_fn
) (int gcc_p
, struct type
* value_type
);
399 extern use_struct_convention_fn generic_use_struct_convention
;
401 typedef unsigned char *(breakpoint_from_pc_fn
) (CORE_ADDR
* pcptr
, int *lenptr
);
403 /* Annotation stuff. */
405 extern int annotation_level
; /* in stack.c */
407 extern void begin_line (void);
409 extern void wrap_here (char *);
411 extern void reinitialize_more_filter (void);
414 extern struct ui_file
*gdb_stdout
;
415 /* Serious error notifications */
416 extern struct ui_file
*gdb_stderr
;
417 /* Log/debug/trace messages that should bypass normal stdout/stderr
418 filtering. For momement, always call this stream using
419 *_unfiltered. In the very near future that restriction shall be
420 removed - either call shall be unfiltered. (cagney 1999-06-13). */
421 extern struct ui_file
*gdb_stdlog
;
422 /* Target output that should bypass normal stdout/stderr filtering.
423 For momement, always call this stream using *_unfiltered. In the
424 very near future that restriction shall be removed - either call
425 shall be unfiltered. (cagney 1999-07-02). */
426 extern struct ui_file
*gdb_stdtarg
;
430 #include "tuiCommand.h"
433 #include "tuiLayout.h"
439 /* More generic printf like operations. Filtered versions may return
440 non-locally on error. */
442 extern void fputs_filtered (const char *, struct ui_file
*);
444 extern void fputs_unfiltered (const char *, struct ui_file
*);
446 extern int fputc_filtered (int c
, struct ui_file
*);
448 extern int fputc_unfiltered (int c
, struct ui_file
*);
450 extern int putchar_filtered (int c
);
452 extern int putchar_unfiltered (int c
);
454 extern void puts_filtered (const char *);
456 extern void puts_unfiltered (const char *);
458 extern void puts_debug (char *prefix
, char *string
, char *suffix
);
460 extern void vprintf_filtered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
462 extern void vfprintf_filtered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
464 extern void fprintf_filtered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
466 extern void fprintfi_filtered (int, struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 3, 4);
468 extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
470 extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
472 extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
474 extern void vfprintf_unfiltered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
476 extern void fprintf_unfiltered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
478 extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
480 extern void print_spaces (int, struct ui_file
*);
482 extern void print_spaces_filtered (int, struct ui_file
*);
484 extern char *n_spaces (int);
486 extern void fputstr_filtered (const char *str
, int quotr
, struct ui_file
* stream
);
488 extern void fputstr_unfiltered (const char *str
, int quotr
, struct ui_file
* stream
);
490 extern void fputstrn_unfiltered (const char *str
, int n
, int quotr
, struct ui_file
* stream
);
492 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
493 extern void gdb_print_host_address (void *addr
, struct ui_file
*stream
);
495 /* Convert a CORE_ADDR into a HEX string. paddr() is like %08lx.
496 paddr_nz() is like %lx. paddr_u() is like %lu. paddr_width() is
498 extern int strlen_paddr (void);
499 extern char *paddr (CORE_ADDR addr
);
500 extern char *paddr_nz (CORE_ADDR addr
);
501 extern char *paddr_u (CORE_ADDR addr
);
502 extern char *paddr_d (LONGEST addr
);
504 extern char *phex (ULONGEST l
, int sizeof_l
);
505 extern char *phex_nz (ULONGEST l
, int sizeof_l
);
507 extern void fprintf_symbol_filtered (struct ui_file
*, char *,
510 extern NORETURN
void perror_with_name (char *) ATTR_NORETURN
;
512 extern void print_sys_errmsg (char *, int);
514 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
515 "const char *" in unistd.h, so we can't declare the argument
518 extern char *re_comp (const char *);
522 extern void symbol_file_command (char *, int);
524 /* Remote targets may wish to use this as their load function. */
525 extern void generic_load (char *name
, int from_tty
);
527 /* Summarise a download */
528 extern void print_transfer_performance (struct ui_file
*stream
,
529 unsigned long data_count
,
530 unsigned long write_count
,
531 unsigned long time_count
);
535 typedef void initialize_file_ftype (void);
537 extern char *skip_quoted (char *);
539 extern char *gdb_readline (char *);
541 extern char *command_line_input (char *, int, char *);
543 extern void print_prompt (void);
545 extern int input_from_terminal_p (void);
547 extern int info_verbose
;
549 /* From printcmd.c */
551 extern void set_next_address (CORE_ADDR
);
553 extern void print_address_symbolic (CORE_ADDR
, struct ui_file
*, int,
556 extern int build_address_symbolic (CORE_ADDR addr
,
564 extern void print_address_numeric (CORE_ADDR
, int, struct ui_file
*);
566 extern void print_address (CORE_ADDR
, struct ui_file
*);
570 extern int openp (char *, int, char *, int, int, char **);
572 extern int source_full_path_of (char *, char **);
574 extern void mod_path (char *, char **);
576 extern void directory_command (char *, int);
578 extern void init_source_path (void);
580 extern char *symtab_to_filename (struct symtab
*);
584 extern void exec_set_section_offsets (bfd_signed_vma text_off
,
585 bfd_signed_vma data_off
,
586 bfd_signed_vma bss_off
);
590 extern int read_relative_register_raw_bytes (int, char *);
592 /* Possible lvalue types. Like enum language, this should be in
593 value.h, but needs to be here for the same reason. */
599 /* In memory. Could be a saved register. */
603 /* In a gdb internal variable. */
605 /* Part of a gdb internal variable (structure field). */
606 lval_internalvar_component
,
607 /* In a register series in a frame not the current one, which may have been
608 partially saved or saved in different places (otherwise would be
609 lval_register or lval_memory). */
610 lval_reg_frame_relative
615 /* From readline (but not in any readline .h files). */
617 extern char *tilde_expand (char *);
619 /* Control types for commands */
621 enum misc_command_type
629 enum command_control_type
639 /* Structure for saved commands lines
640 (for breakpoints, defined commands, etc). */
644 struct command_line
*next
;
646 enum command_control_type control_type
;
648 struct command_line
**body_list
;
651 extern struct command_line
*read_command_lines (char *, int);
653 extern void free_command_lines (struct command_line
**);
655 /* To continue the execution commands when running gdb asynchronously.
656 A continuation structure contains a pointer to a function to be called
657 to finish the command, once the target has stopped. Such mechanism is
658 used bt the finish and until commands, and in the remote protocol
659 when opening an extended-remote connection. */
661 struct continuation_arg
663 struct continuation_arg
*next
;
664 union continuation_data
{
673 void (*continuation_hook
) (struct continuation_arg
*);
674 struct continuation_arg
*arg_list
;
675 struct continuation
*next
;
679 extern struct continuation
*cmd_continuation
;
680 /* Used only by the step_1 function. */
681 extern struct continuation
*intermediate_continuation
;
684 extern void add_continuation (void (*)(struct continuation_arg
*),
685 struct continuation_arg
*);
686 extern void do_all_continuations (void);
687 extern void discard_all_continuations (void);
689 extern void add_intermediate_continuation (void (*)(struct continuation_arg
*),
690 struct continuation_arg
*);
691 extern void do_all_intermediate_continuations (void);
692 extern void discard_all_intermediate_continuations (void);
694 /* String containing the current directory (what getwd would return). */
696 extern char *current_directory
;
698 /* Default radixes for input and output. Only some values supported. */
699 extern unsigned input_radix
;
700 extern unsigned output_radix
;
702 /* Possibilities for prettyprint parameters to routines which print
703 things. Like enum language, this should be in value.h, but needs
704 to be here for the same reason. FIXME: If we can eliminate this
705 as an arg to LA_VAL_PRINT, then we can probably move it back to
710 Val_no_prettyprint
= 0,
712 /* Use the default setting which the user has specified. */
717 /* Optional host machine definition. Pure autoconf targets will not
718 need a "xm.h" file. This will be a symlink to one of the xm-*.h
719 files, built by the `configure' script. */
725 /* Optional native machine support. Non-native (and possibly pure
726 multi-arch) targets do not need a "nm.h" file. This will be a
727 symlink to one of the nm-*.h files, built by the `configure'
734 /* Optional target machine definition. Pure multi-arch configurations
735 do not need a "tm.h" file. This will be a symlink to one of the
736 tm-*.h files, built by the `configure' script. */
742 /* GDB_MULTI_ARCH is normally set by configure.in using information
743 from configure.tgt or the config/%/%.mt Makefile fragment. Since
744 some targets have defined it in their "tm.h" file, delay providing
745 a default definition until after "tm.h" has been included.. */
747 #ifndef GDB_MULTI_ARCH
748 #define GDB_MULTI_ARCH 0
752 /* If the xm.h file did not define the mode string used to open the
753 files, assume that binary files are opened the same way as text
756 #include "fopen-same.h"
759 /* Microsoft C can't deal with const pointers */
764 #define CONST_PTR const
768 * Allow things in gdb to be declared "volatile". If compiling ANSI, it
769 * just works. If compiling with gcc but non-ansi, redefine to __volatile__.
770 * If non-ansi, non-gcc, then eliminate "volatile" entirely, making those
771 * objects be read-write rather than read-only.
777 #define volatile __volatile__
779 #define volatile /* nothing */
782 #endif /* volatile */
784 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
785 FIXME: Assumes 2's complement arithmetic */
787 #if !defined (UINT_MAX)
788 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
791 #if !defined (INT_MAX)
792 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
795 #if !defined (INT_MIN)
796 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
799 #if !defined (ULONG_MAX)
800 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
803 #if !defined (LONG_MAX)
804 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
807 #if !defined (ULONGEST_MAX)
808 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
811 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
812 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
815 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
816 arguments to a function, number in a value history, register number, etc.)
817 where the value must not be larger than can fit in an int. */
819 extern int longest_to_int (LONGEST
);
821 /* Assorted functions we can declare, now that const and volatile are
824 extern char *savestring (const char *, int);
826 extern char *msavestring (void *, const char *, int);
828 extern char *mstrsave (void *, const char *);
830 /* FIXME; was long, but this causes compile errors in msvc if already
833 extern PTR
xmmalloc (PTR
, size_t);
834 extern PTR
xmrealloc (PTR
, PTR
, size_t);
836 extern PTR
xmmalloc (PTR
, long);
837 extern PTR
xmrealloc (PTR
, PTR
, long);
840 /* Like asprintf/vasprintf but get an internal_error if the call
842 extern void xasprintf (char **ret
, const char *format
, ...) ATTR_FORMAT (printf
, 2, 3);
843 extern void xvasprintf (char **ret
, const char *format
, va_list ap
);
845 extern int parse_escape (char **);
847 /* Message to be printed before the error message, when an error occurs. */
849 extern char *error_pre_print
;
851 /* Message to be printed before the error message, when an error occurs. */
853 extern char *quit_pre_print
;
855 /* Message to be printed before the warning message, when a warning occurs. */
857 extern char *warning_pre_print
;
859 extern NORETURN
void verror (const char *fmt
, va_list ap
) ATTR_NORETURN
;
861 extern NORETURN
void error (const char *fmt
, ...) ATTR_NORETURN
;
863 /* DEPRECATED: Use error(), verror() or error_stream(). */
864 extern NORETURN
void error_begin (void);
866 extern NORETURN
void error_stream (struct ui_file
*) ATTR_NORETURN
;
868 /* Returns a freshly allocate buffer containing the last error
870 extern char *error_last_message (void);
872 extern NORETURN
void internal_verror (const char *file
, int line
,
873 const char *, va_list ap
) ATTR_NORETURN
;
875 extern NORETURN
void internal_error (const char *file
, int line
,
876 const char *, ...) ATTR_NORETURN
ATTR_FORMAT (printf
, 3, 4);
878 extern NORETURN
void nomem (long) ATTR_NORETURN
;
880 /* Reasons for calling return_to_top_level. Note: enum value 0 is
881 reserved for internal use as the return value from an initial
886 /* User interrupt. */
888 /* Any other error. */
892 #define ALL_CLEANUPS ((struct cleanup *)0)
894 #define RETURN_MASK(reason) (1 << (int)(reason))
895 #define RETURN_MASK_QUIT RETURN_MASK (RETURN_QUIT)
896 #define RETURN_MASK_ERROR RETURN_MASK (RETURN_ERROR)
897 #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
898 typedef int return_mask
;
900 extern NORETURN
void return_to_top_level (enum return_reason
) ATTR_NORETURN
;
902 /* If CATCH_ERRORS_FTYPE throws an error, catch_errors() returns zero
903 otherwize the result from CATCH_ERRORS_FTYPE is returned. It is
904 probably useful for CATCH_ERRORS_FTYPE to always return a non-zero
905 value. It's unfortunate that, catch_errors() does not return an
906 indication of the exact exception that it caught - quit_flag might
909 typedef int (catch_errors_ftype
) (PTR
);
910 extern int catch_errors (catch_errors_ftype
*, PTR
, char *, return_mask
);
912 /* Template to catch_errors() that wraps calls to command
915 typedef void (catch_command_errors_ftype
) (char *, int);
916 extern int catch_command_errors (catch_command_errors_ftype
*func
, char *command
, int from_tty
, return_mask
);
918 extern void warning_begin (void);
920 extern void warning (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
922 /* Global functions from other, non-gdb GNU thingies.
923 Libiberty thingies are no longer declared here. We include libiberty.h
926 #ifndef GETENV_PROVIDED
927 extern char *getenv (const char *);
930 /* From other system libraries */
937 #if defined(_MSC_VER) && !defined(__cplusplus)
938 /* msvc defines these in stdlib.h for c code */
945 #define min(a, b) ((a) < (b) ? (a) : (b))
948 #define max(a, b) ((a) > (b) ? (a) : (b))
952 /* We take the address of fclose later, but some stdio's forget
953 to declare this. We can't always declare it since there's
954 no way to declare the parameters without upsetting some compiler
957 #ifndef FCLOSE_PROVIDED
958 extern int fclose (FILE *);
962 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
965 #ifndef MALLOC_INCOMPATIBLE
967 #ifdef NEED_DECLARATION_MALLOC
968 extern PTR
malloc ();
971 #ifdef NEED_DECLARATION_REALLOC
972 extern PTR
realloc ();
975 #ifdef NEED_DECLARATION_FREE
979 #endif /* MALLOC_INCOMPATIBLE */
981 /* Various possibilities for alloca. */
984 #define alloca __builtin_alloca
985 #else /* Not GNU C */
993 /* We need to be careful not to declare this in a way which conflicts with
994 bison. Bison never declares it as char *, but under various circumstances
995 (like __hpux) we need to use void *. */
996 #if defined (__STDC__) || defined (__hpux)
997 extern void *alloca ();
998 #else /* Don't use void *. */
999 extern char *alloca ();
1000 #endif /* Don't use void *. */
1001 #endif /* Not _AIX */
1002 #endif /* Not HAVE_ALLOCA_H */
1003 #endif /* Not GNU C */
1004 #endif /* alloca not defined */
1006 /* HOST_BYTE_ORDER must be defined to one of these. */
1008 #ifdef HAVE_ENDIAN_H
1012 #if !defined (BIG_ENDIAN)
1013 #define BIG_ENDIAN 4321
1016 #if !defined (LITTLE_ENDIAN)
1017 #define LITTLE_ENDIAN 1234
1020 /* Dynamic target-system-dependent parameters for GDB. */
1021 #include "gdbarch.h"
1022 #if (GDB_MULTI_ARCH == 0)
1023 /* Multi-arch targets _should_ be including "arch-utils.h" directly
1024 into their *-tdep.c file. This is a prop to help old non-
1025 multi-arch targets to continue to compile. */
1026 #include "arch-utils.h"
1029 /* Static target-system-dependent parameters for GDB. */
1031 /* Number of bits in a char or unsigned char for the target machine.
1032 Just like CHAR_BIT in <limits.h> but describes the target machine. */
1033 #if !defined (TARGET_CHAR_BIT)
1034 #define TARGET_CHAR_BIT 8
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 CORE_ADDR
extract_typed_address (void *buf
, struct type
*type
);
1068 extern void store_signed_integer (void *, int, LONGEST
);
1070 extern void store_unsigned_integer (void *, int, ULONGEST
);
1072 extern void store_address (void *, int, LONGEST
);
1074 extern void store_typed_address (void *buf
, struct type
*type
, CORE_ADDR addr
);
1076 /* Setup definitions for host and target floating point formats. We need to
1077 consider the format for `float', `double', and `long double' for both target
1078 and host. We need to do this so that we know what kind of conversions need
1079 to be done when converting target numbers to and from the hosts DOUBLEST
1082 /* This is used to indicate that we don't know the format of the floating point
1083 number. Typically, this is useful for native ports, where the actual format
1084 is irrelevant, since no conversions will be taking place. */
1086 extern const struct floatformat floatformat_unknown
;
1088 #if HOST_BYTE_ORDER == BIG_ENDIAN
1089 #ifndef HOST_FLOAT_FORMAT
1090 #define HOST_FLOAT_FORMAT &floatformat_ieee_single_big
1092 #ifndef HOST_DOUBLE_FORMAT
1093 #define HOST_DOUBLE_FORMAT &floatformat_ieee_double_big
1095 #else /* LITTLE_ENDIAN */
1096 #ifndef HOST_FLOAT_FORMAT
1097 #define HOST_FLOAT_FORMAT &floatformat_ieee_single_little
1099 #ifndef HOST_DOUBLE_FORMAT
1100 #define HOST_DOUBLE_FORMAT &floatformat_ieee_double_little
1104 #ifndef HOST_LONG_DOUBLE_FORMAT
1105 #define HOST_LONG_DOUBLE_FORMAT &floatformat_unknown
1108 /* Use `long double' if the host compiler supports it. (Note that this is not
1109 necessarily any longer than `double'. On SunOS/gcc, it's the same as
1110 double.) This is necessary because GDB internally converts all floating
1111 point values to the widest type supported by the host.
1113 There are problems however, when the target `long double' is longer than the
1114 host's `long double'. In general, we'll probably reduce the precision of
1115 any such values and print a warning. */
1117 #ifdef HAVE_LONG_DOUBLE
1118 typedef long double DOUBLEST
;
1120 typedef double DOUBLEST
;
1123 extern void floatformat_to_doublest (const struct floatformat
*,
1124 char *, DOUBLEST
*);
1125 extern void floatformat_from_doublest (const struct floatformat
*,
1126 DOUBLEST
*, char *);
1127 extern DOUBLEST
extract_floating (void *, int);
1129 extern void store_floating (void *, int, DOUBLEST
);
1131 /* On some machines there are bits in addresses which are not really
1132 part of the address, but are used by the kernel, the hardware, etc.
1133 for special purposes. ADDR_BITS_REMOVE takes out any such bits
1134 so we get a "real" address such as one would find in a symbol
1135 table. This is used only for addresses of instructions, and even then
1136 I'm not sure it's used in all contexts. It exists to deal with there
1137 being a few stray bits in the PC which would mislead us, not as some sort
1138 of generic thing to handle alignment or segmentation (it's possible it
1139 should be in TARGET_READ_PC instead). */
1140 #if !defined (ADDR_BITS_REMOVE)
1141 #define ADDR_BITS_REMOVE(addr) (addr)
1142 #endif /* No ADDR_BITS_REMOVE. */
1146 extern CORE_ADDR
push_bytes (CORE_ADDR
, char *, int);
1148 extern CORE_ADDR
push_word (CORE_ADDR
, ULONGEST
);
1150 extern int watchdog
;
1152 /* Hooks for alternate command interfaces. */
1155 /* The name of the interpreter if specified on the command line. */
1156 extern char *interpreter_p
;
1159 /* If a given interpreter matches INTERPRETER_P then it should update
1160 command_loop_hook and init_ui_hook with the per-interpreter
1162 /* FIXME: command_loop_hook and init_ui_hook should be moved here. */
1164 struct target_waitstatus
;
1165 struct cmd_list_element
;
1167 /* Should the asynchronous variant of the interpreter (using the
1168 event-loop) be enabled? */
1169 extern int event_loop_p
;
1171 extern void (*init_ui_hook
) (char *argv0
);
1172 extern void (*command_loop_hook
) (void);
1173 extern void (*show_load_progress
) (const char *section
,
1174 unsigned long section_sent
,
1175 unsigned long section_size
,
1176 unsigned long total_sent
,
1177 unsigned long total_size
);
1178 extern void (*print_frame_info_listing_hook
) (struct symtab
* s
,
1179 int line
, int stopline
,
1181 extern struct frame_info
*parse_frame_specification (char *frame_exp
);
1182 extern int (*query_hook
) (const char *, va_list);
1183 extern void (*warning_hook
) (const char *, va_list);
1184 extern void (*flush_hook
) (struct ui_file
* stream
);
1185 extern void (*create_breakpoint_hook
) (struct breakpoint
* b
);
1186 extern void (*delete_breakpoint_hook
) (struct breakpoint
* bpt
);
1187 extern void (*modify_breakpoint_hook
) (struct breakpoint
* bpt
);
1188 extern void (*interactive_hook
) (void);
1189 extern void (*registers_changed_hook
) (void);
1190 extern void (*readline_begin_hook
) (char *,...);
1191 extern char *(*readline_hook
) (char *);
1192 extern void (*readline_end_hook
) (void);
1193 extern void (*register_changed_hook
) (int regno
);
1194 extern void (*memory_changed_hook
) (CORE_ADDR addr
, int len
);
1195 extern void (*context_hook
) (int);
1196 extern int (*target_wait_hook
) (int pid
, struct target_waitstatus
* status
);
1198 extern void (*attach_hook
) (void);
1199 extern void (*detach_hook
) (void);
1200 extern void (*call_command_hook
) (struct cmd_list_element
* c
,
1201 char *cmd
, int from_tty
);
1203 extern void (*set_hook
) (struct cmd_list_element
* c
);
1205 extern NORETURN
void (*error_hook
) (void) ATTR_NORETURN
;
1207 extern void (*error_begin_hook
) (void);
1209 extern int (*ui_load_progress_hook
) (const char *section
, unsigned long num
);
1212 /* Inhibit window interface if non-zero. */
1214 extern int use_windows
;
1216 /* Symbolic definitions of filename-related things. */
1217 /* FIXME, this doesn't work very well if host and executable
1218 filesystems conventions are different. */
1220 #ifndef DIRNAME_SEPARATOR
1221 #define DIRNAME_SEPARATOR ':'
1225 #if defined(__GO32__)||defined(_WIN32)
1226 #define SLASH_P(X) ((X)=='\\')
1228 #define SLASH_P(X) ((X)=='/')
1233 #if defined(__GO32__)||defined(_WIN32)
1234 #define SLASH_CHAR '\\'
1236 #define SLASH_CHAR '/'
1240 #ifndef SLASH_STRING
1241 #if defined(__GO32__)||defined(_WIN32)
1242 #define SLASH_STRING "\\"
1244 #define SLASH_STRING "/"
1249 #define ROOTED_P(X) (SLASH_P((X)[0]))
1252 /* On some systems, PIDGET is defined to extract the inferior pid from
1253 an internal pid that has the thread id and pid in seperate bit
1254 fields. If not defined, then just use the entire internal pid as
1258 #define PIDGET(PID) (PID)
1259 #define TIDGET(PID) 0
1260 #define MERGEPID(PID, TID) (PID)
1263 /* Define well known filenos if the system does not define them. */
1264 #ifndef STDIN_FILENO
1265 #define STDIN_FILENO 0
1267 #ifndef STDOUT_FILENO
1268 #define STDOUT_FILENO 1
1270 #ifndef STDERR_FILENO
1271 #define STDERR_FILENO 2
1274 /* If this definition isn't overridden by the header files, assume
1275 that isatty and fileno exist on this system. */
1277 #define ISATTY(FP) (isatty (fileno (FP)))
1281 /* FIXME: cagney/1999-12-13: The following will be moved to gdb.h /
1282 libgdb.h or gdblib.h. */
1284 /* Return-code (RC) from a gdb library call. (The abreviation RC is
1285 taken from the sim/common directory.) */
1288 /* The operation failed. The failure message can be fetched by
1289 calling ``char *error_last_message(void)''. The value is
1290 determined by the catch_errors() interface. */
1291 /* NOTE: Since ``defs.h:catch_errors()'' does not return an error /
1292 internal / quit indication it is not possible to return that
1295 /* No error occured but nothing happened. Due to the catch_errors()
1296 interface, this must be non-zero. */
1298 /* The operation was successful. Due to the catch_errors()
1299 interface, this must be non-zero. */
1304 /* Print the specified breakpoint on GDB_STDOUT. (Eventually this
1305 function will ``print'' the object on ``output''). */
1306 enum gdb_rc
gdb_breakpoint_query (/* struct {ui,gdb}_out *output, */ int bnum
);
1308 /* Create a breakpoint at ADDRESS (a GDB source and line). */
1309 enum gdb_rc
gdb_breakpoint (char *address
, char *condition
,
1310 int hardwareflag
, int tempflag
,
1311 int thread
, int ignore_count
);
1312 enum gdb_rc
gdb_thread_select (/* output object */ char *tidstr
);
1315 /* Print a list of known thread ids. */
1316 enum gdb_rc
gdb_list_thread_ids (/* output object */);
1318 /* Switch thread and print notification. */
1320 #endif /* #ifndef DEFS_H */