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"
65 /* For BFD64 and bfd_vma. */
68 /* An address in the program being debugged. Host byte order. Rather
69 than duplicate all the logic in BFD which figures out what type
70 this is (long, long long, etc.) and whether it needs to be 64
71 bits (the host/target interactions are subtle), we just use
74 typedef bfd_vma CORE_ADDR
;
76 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
82 #define LONGEST BFD_HOST_64_BIT
83 #define ULONGEST BFD_HOST_U_64_BIT
87 #ifdef CC_HAS_LONG_LONG
88 #define LONGEST long long
89 #define ULONGEST unsigned long long
91 #ifdef BFD_HOST_64_BIT
92 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
93 (e.g. i386-windows) so try it. */
94 #define LONGEST BFD_HOST_64_BIT
95 #define ULONGEST BFD_HOST_U_64_BIT
98 #define ULONGEST unsigned long
102 #endif /* No BFD64 */
104 #endif /* ! LONGEST */
107 #define min(a, b) ((a) < (b) ? (a) : (b))
110 #define max(a, b) ((a) > (b) ? (a) : (b))
113 /* Macros to do string compares.
115 NOTE: cagney/2000-03-14:
117 While old code can continue to refer to these macros, new code is
118 probably better off using strcmp() directly vis: ``strcmp() == 0''
119 and ``strcmp() != 0''.
121 This is because modern compilers can directly inline strcmp()
122 making the original justification for these macros - avoid function
123 call overhead by pre-testing the first characters
124 (``*X==*Y?...:0'') - redundant.
126 ``Even if [...] testing the first character does have a modest
127 performance improvement, I'd rather that whenever a performance
128 issue is found that we spend the effort on algorithmic
129 optimizations than micro-optimizing.'' J.T. */
131 #define STRCMP(a,b) (*(a) == *(b) ? strcmp ((a), (b)) : (int)*(a) - (int)*(b))
132 #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0)
133 #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0)
135 /* The character GNU C++ uses to build identifiers that must be unique from
136 the program's identifiers (such as $this and $$vptr). */
137 #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */
139 /* Check if a character is one of the commonly used C++ marker characters. */
140 extern int is_cplus_marker (int);
142 /* use tui interface if non-zero */
143 extern int tui_version
;
146 /* all invocations of TUIDO should have two sets of parens */
147 #define TUIDO(x) tuiDo x
152 /* enable xdb commands if set */
153 extern int xdb_commands
;
155 /* enable dbx commands if set */
156 extern int dbx_commands
;
158 extern int quit_flag
;
159 extern int immediate_quit
;
160 extern int sevenbit_strings
;
162 extern void quit (void);
164 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
165 benefits of having a ``QUIT'' macro rather than a function are
166 marginal. If the overhead of a QUIT function call is proving
167 significant then its calling frequency should probably be reduced
168 [kingdon]. A profile analyzing the current situtation is
172 /* do twice to force compiler warning */
173 #define QUIT_FIXME "FIXME"
174 #define QUIT_FIXME "ignoring redefinition of QUIT"
177 if (quit_flag) quit (); \
178 if (interactive_hook) interactive_hook (); \
183 /* Languages represented in the symbol table and elsewhere.
184 This should probably be in language.h, but since enum's can't
185 be forward declared to satisfy opaque references before their
186 actual definition, needs to be here. */
190 language_unknown
, /* Language not known */
191 language_auto
, /* Placeholder for automatic setting */
193 language_cplus
, /* C++ */
194 language_java
, /* Java */
195 language_chill
, /* Chill */
196 language_fortran
, /* Fortran */
197 language_m2
, /* Modula-2 */
198 language_asm
, /* Assembly language */
199 language_scm
/* Scheme / Guile */
206 unspecified_precision
209 /* the cleanup list records things that have to be undone
210 if an error happens (descriptors to be closed, memory to be freed, etc.)
211 Each link in the chain records a function to call and an
214 Use make_cleanup to add an element to the cleanup chain.
215 Use do_cleanups to do all cleanup actions back to a given
216 point in the chain. Use discard_cleanups to remove cleanups
217 from the chain back to a given point, not doing them. */
221 struct cleanup
*next
;
222 void (*function
) (PTR
);
227 /* The ability to declare that a function never returns is useful, but
228 not really required to compile GDB successfully, so the NORETURN and
229 ATTR_NORETURN macros normally expand into nothing. */
231 /* If compiling with older versions of GCC, a function may be declared
232 "volatile" to indicate that it does not return. */
235 #if defined(__GNUC__) \
236 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
237 #define NORETURN volatile
239 #define NORETURN /* nothing */
243 /* GCC 2.5 and later versions define a function attribute "noreturn",
244 which is the preferred way to declare that a function never returns.
245 However GCC 2.7 appears to be the first version in which this fully
246 works everywhere we use it. */
248 #ifndef ATTR_NORETURN
249 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7))
250 #define ATTR_NORETURN __attribute__ ((noreturn))
252 #define ATTR_NORETURN /* nothing */
257 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 4))
258 #define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
260 #define ATTR_FORMAT(type, x, y) /* nothing */
264 /* Needed for various prototypes */
269 /* From blockframe.c */
271 extern int inside_entry_func (CORE_ADDR
);
273 extern int inside_entry_file (CORE_ADDR addr
);
275 extern int inside_main_func (CORE_ADDR pc
);
277 /* From ch-lang.c, for the moment. (FIXME) */
279 extern char *chill_demangle (const char *);
283 extern void initialize_utils (void);
285 extern void notice_quit (void);
287 extern int strcmp_iw (const char *, const char *);
289 extern int subset_compare (char *, char *);
291 extern char *safe_strerror (int);
293 extern void init_malloc (void *);
295 extern void request_quit (int);
297 extern void do_cleanups (struct cleanup
*);
298 extern void do_final_cleanups (struct cleanup
*);
299 extern void do_my_cleanups (struct cleanup
**, struct cleanup
*);
300 extern void do_run_cleanups (struct cleanup
*);
301 extern void do_exec_cleanups (struct cleanup
*);
302 extern void do_exec_error_cleanups (struct cleanup
*);
304 extern void discard_cleanups (struct cleanup
*);
305 extern void discard_final_cleanups (struct cleanup
*);
306 extern void discard_exec_error_cleanups (struct cleanup
*);
307 extern void discard_my_cleanups (struct cleanup
**, struct cleanup
*);
309 /* DEPRECATED: cagney/2000-03-04: Do not use this typedef to cast
310 function pointers so that they match the argument to the various
311 cleanup functions. Post GDB 5.0, this typedef will be
312 deleted. [Editors note: cagney was the person that added most of
314 typedef void (*make_cleanup_func
) (void *);
316 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
317 make_cleanup function declarations below. Do not use this typedef
318 as a cast when passing functions into the make_cleanup() code.
319 Instead either use a bounce function or add a wrapper function.
320 Calling a f(char*) function with f(void*) is non-portable. */
321 typedef void (make_cleanup_ftype
) (void *);
323 extern struct cleanup
*make_cleanup (make_cleanup_ftype
*, void *);
325 extern struct cleanup
*make_cleanup_freeargv (char **);
328 extern struct cleanup
*make_cleanup_ui_file_delete (struct ui_file
*);
330 extern struct cleanup
*make_cleanup_close (int fd
);
332 extern struct cleanup
*make_cleanup_bfd_close (bfd
*abfd
);
334 extern struct cleanup
*make_final_cleanup (make_cleanup_ftype
*, void *);
336 extern struct cleanup
*make_my_cleanup (struct cleanup
**,
337 make_cleanup_ftype
*, void *);
339 extern struct cleanup
*make_run_cleanup (make_cleanup_ftype
*, void *);
341 extern struct cleanup
*make_exec_cleanup (make_cleanup_ftype
*, void *);
342 extern struct cleanup
*make_exec_error_cleanup (make_cleanup_ftype
*, void *);
344 extern struct cleanup
*save_cleanups (void);
345 extern struct cleanup
*save_final_cleanups (void);
346 extern struct cleanup
*save_my_cleanups (struct cleanup
**);
348 extern void restore_cleanups (struct cleanup
*);
349 extern void restore_final_cleanups (struct cleanup
*);
350 extern void restore_my_cleanups (struct cleanup
**, struct cleanup
*);
352 extern void free_current_contents (void *);
354 extern void null_cleanup (void *);
356 extern int myread (int, char *, int);
358 extern int query (char *, ...) ATTR_FORMAT (printf
, 1, 2);
360 #if !defined (USE_MMALLOC)
361 /* NOTE: cagney/2000-03-04: The mmalloc functions need to use PTR
362 rather than void* so that they are consistent with
363 ../mmalloc/mmalloc.h. */
364 extern PTR
mcalloc (PTR
, size_t, size_t);
365 extern PTR
mmalloc (PTR
, size_t);
366 extern PTR
mrealloc (PTR
, PTR
, size_t);
367 extern void mfree (PTR
, PTR
);
370 extern void init_page_info (void);
372 extern CORE_ADDR
host_pointer_to_address (void *ptr
);
373 extern void *address_to_host_pointer (CORE_ADDR addr
);
375 /* From demangle.c */
377 extern void set_demangling_style (char *);
382 typedef int (use_struct_convention_fn
) (int gcc_p
, struct type
* value_type
);
383 extern use_struct_convention_fn generic_use_struct_convention
;
385 typedef unsigned char *(breakpoint_from_pc_fn
) (CORE_ADDR
* pcptr
, int *lenptr
);
387 /* Annotation stuff. */
389 extern int annotation_level
; /* in stack.c */
391 extern void begin_line (void);
393 extern void wrap_here (char *);
395 extern void reinitialize_more_filter (void);
398 extern struct ui_file
*gdb_stdout
;
399 /* Serious error notifications */
400 extern struct ui_file
*gdb_stderr
;
401 /* Log/debug/trace messages that should bypass normal stdout/stderr
402 filtering. For momement, always call this stream using
403 *_unfiltered. In the very near future that restriction shall be
404 removed - either call shall be unfiltered. (cagney 1999-06-13). */
405 extern struct ui_file
*gdb_stdlog
;
406 /* Target output that should bypass normal stdout/stderr filtering.
407 For momement, always call this stream using *_unfiltered. In the
408 very near future that restriction shall be removed - either call
409 shall be unfiltered. (cagney 1999-07-02). */
410 extern struct ui_file
*gdb_stdtarg
;
414 #include "tuiCommand.h"
417 #include "tuiLayout.h"
423 /* More generic printf like operations */
425 extern void fputs_filtered (const char *, struct ui_file
*);
427 extern void fputs_unfiltered (const char *, struct ui_file
*);
429 extern int fputc_filtered (int c
, struct ui_file
*);
431 extern int fputc_unfiltered (int c
, struct ui_file
*);
433 extern int putchar_unfiltered (int c
);
435 extern void puts_filtered (const char *);
437 extern void puts_unfiltered (const char *);
439 extern void puts_debug (char *prefix
, char *string
, char *suffix
);
441 extern void vprintf_filtered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
443 extern void vfprintf_filtered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
445 extern void fprintf_filtered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
447 extern void fprintfi_filtered (int, struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 3, 4);
449 extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
451 extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
453 extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
455 extern void vfprintf_unfiltered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
457 extern void fprintf_unfiltered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
459 extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
461 extern void print_spaces (int, struct ui_file
*);
463 extern void print_spaces_filtered (int, struct ui_file
*);
465 extern char *n_spaces (int);
467 extern void fputstr_filtered (const char *str
, int quotr
, struct ui_file
* stream
);
469 extern void fputstr_unfiltered (const char *str
, int quotr
, struct ui_file
* stream
);
471 extern void fputstrn_unfiltered (const char *str
, int n
, int quotr
, struct ui_file
* stream
);
473 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
474 extern void gdb_print_host_address (void *addr
, struct ui_file
*stream
);
476 /* Convert a CORE_ADDR into a HEX string. paddr() is like %08lx.
477 paddr_nz() is like %lx. paddr_u() is like %lu. paddr_width() is
479 extern int strlen_paddr (void);
480 extern char *paddr (CORE_ADDR addr
);
481 extern char *paddr_nz (CORE_ADDR addr
);
482 extern char *paddr_u (CORE_ADDR addr
);
483 extern char *paddr_d (LONGEST addr
);
485 extern char *phex (ULONGEST l
, int sizeof_l
);
486 extern char *phex_nz (ULONGEST l
, int sizeof_l
);
488 extern void fprintf_symbol_filtered (struct ui_file
*, char *,
491 extern NORETURN
void perror_with_name (char *) ATTR_NORETURN
;
493 extern void print_sys_errmsg (char *, int);
495 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
496 "const char *" in unistd.h, so we can't declare the argument
499 extern char *re_comp (const char *);
503 extern void symbol_file_command (char *, int);
505 /* Remote targets may wish to use this as their load function. */
506 extern void generic_load (char *name
, int from_tty
);
508 /* Summarise a download */
509 extern void print_transfer_performance (struct ui_file
*stream
,
510 unsigned long data_count
,
511 unsigned long write_count
,
512 unsigned long time_count
);
516 typedef void initialize_file_ftype (void);
518 extern char *skip_quoted (char *);
520 extern char *gdb_readline (char *);
522 extern char *command_line_input (char *, int, char *);
524 extern void print_prompt (void);
526 extern int input_from_terminal_p (void);
528 extern int info_verbose
;
530 /* From printcmd.c */
532 extern void set_next_address (CORE_ADDR
);
534 extern void print_address_symbolic (CORE_ADDR
, struct ui_file
*, int,
537 extern int build_address_symbolic (CORE_ADDR addr
,
545 extern void print_address_numeric (CORE_ADDR
, int, struct ui_file
*);
547 extern void print_address (CORE_ADDR
, struct ui_file
*);
551 extern int openp (char *, int, char *, int, int, char **);
553 extern int source_full_path_of (char *, char **);
555 extern void mod_path (char *, char **);
557 extern void directory_command (char *, int);
559 extern void init_source_path (void);
561 extern char *symtab_to_filename (struct symtab
*);
565 extern void exec_set_section_offsets (bfd_signed_vma text_off
,
566 bfd_signed_vma data_off
,
567 bfd_signed_vma bss_off
);
571 extern int read_relative_register_raw_bytes (int, char *);
573 /* Possible lvalue types. Like enum language, this should be in
574 value.h, but needs to be here for the same reason. */
580 /* In memory. Could be a saved register. */
584 /* In a gdb internal variable. */
586 /* Part of a gdb internal variable (structure field). */
587 lval_internalvar_component
,
588 /* In a register series in a frame not the current one, which may have been
589 partially saved or saved in different places (otherwise would be
590 lval_register or lval_memory). */
591 lval_reg_frame_relative
596 void default_get_saved_register (char *raw_buffer
, int *optimized
,
598 struct frame_info
*frame
, int regnum
,
599 enum lval_type
*lval
);
601 /* From readline (but not in any readline .h files). */
603 extern char *tilde_expand (char *);
605 /* Control types for commands */
607 enum misc_command_type
615 enum command_control_type
625 /* Structure for saved commands lines
626 (for breakpoints, defined commands, etc). */
630 struct command_line
*next
;
632 enum command_control_type control_type
;
634 struct command_line
**body_list
;
637 extern struct command_line
*read_command_lines (char *, int);
639 extern void free_command_lines (struct command_line
**);
641 /* To continue the execution commands when running gdb asynchronously.
642 A continuation structure contains a pointer to a function to be called
643 to finish the command, once the target has stopped. Such mechanism is
644 used bt the finish and until commands, and in the remote protocol
645 when opening an extended-remote connection. */
647 struct continuation_arg
649 struct continuation_arg
*next
;
650 union continuation_data
{
659 void (*continuation_hook
) (struct continuation_arg
*);
660 struct continuation_arg
*arg_list
;
661 struct continuation
*next
;
663 struct continuation continuation
;
666 extern struct continuation
*cmd_continuation
;
667 /* Used only by the step_1 function. */
668 extern struct continuation
*intermediate_continuation
;
671 extern void add_continuation (void (*)(struct continuation_arg
*),
672 struct continuation_arg
*);
673 extern void do_all_continuations (void);
674 extern void discard_all_continuations (void);
676 extern void add_intermediate_continuation (void (*)(struct continuation_arg
*),
677 struct continuation_arg
*);
678 extern void do_all_intermediate_continuations (void);
679 extern void discard_all_intermediate_continuations (void);
681 /* String containing the current directory (what getwd would return). */
683 extern char *current_directory
;
685 /* Default radixes for input and output. Only some values supported. */
686 extern unsigned input_radix
;
687 extern unsigned output_radix
;
689 /* Possibilities for prettyprint parameters to routines which print
690 things. Like enum language, this should be in value.h, but needs
691 to be here for the same reason. FIXME: If we can eliminate this
692 as an arg to LA_VAL_PRINT, then we can probably move it back to
697 Val_no_prettyprint
= 0,
699 /* Use the default setting which the user has specified. */
704 /* Host machine definition. This will be a symlink to one of the
705 xm-*.h files, built by the `configure' script. */
709 /* Native machine support. This will be a symlink to one of the
710 nm-*.h files, built by the `configure' script. */
714 /* Target machine definition. This will be a symlink to one of the
715 tm-*.h files, built by the `configure' script. */
719 /* If the xm.h file did not define the mode string used to open the
720 files, assume that binary files are opened the same way as text
723 #include "fopen-same.h"
726 /* Microsoft C can't deal with const pointers */
731 #define CONST_PTR const
735 * Allow things in gdb to be declared "volatile". If compiling ANSI, it
736 * just works. If compiling with gcc but non-ansi, redefine to __volatile__.
737 * If non-ansi, non-gcc, then eliminate "volatile" entirely, making those
738 * objects be read-write rather than read-only.
744 #define volatile __volatile__
746 #define volatile /* nothing */
749 #endif /* volatile */
751 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
752 FIXME: Assumes 2's complement arithmetic */
754 #if !defined (UINT_MAX)
755 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
758 #if !defined (INT_MAX)
759 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
762 #if !defined (INT_MIN)
763 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
766 #if !defined (ULONG_MAX)
767 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
770 #if !defined (LONG_MAX)
771 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
774 #if !defined (ULONGEST_MAX)
775 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 32-bits */
778 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 32-bits */
779 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
782 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
783 arguments to a function, number in a value history, register number, etc.)
784 where the value must not be larger than can fit in an int. */
786 extern int longest_to_int (LONGEST
);
788 /* Assorted functions we can declare, now that const and volatile are
791 extern char *savestring (const char *, int);
793 extern char *msavestring (void *, const char *, int);
795 extern char *strsave (const char *);
797 extern char *mstrsave (void *, const char *);
799 /* FIXME; was long, but this causes compile errors in msvc if already
802 extern PTR
xmmalloc (PTR
, size_t);
803 extern PTR
xmrealloc (PTR
, PTR
, size_t);
805 extern PTR
xmmalloc (PTR
, long);
806 extern PTR
xmrealloc (PTR
, PTR
, long);
809 extern int parse_escape (char **);
811 /* Message to be printed before the error message, when an error occurs. */
813 extern char *error_pre_print
;
815 /* Message to be printed before the error message, when an error occurs. */
817 extern char *quit_pre_print
;
819 /* Message to be printed before the warning message, when a warning occurs. */
821 extern char *warning_pre_print
;
823 extern NORETURN
void verror (const char *fmt
, va_list ap
) ATTR_NORETURN
;
825 extern NORETURN
void error (const char *fmt
, ...) ATTR_NORETURN
;
827 /* DEPRECATED: Use error(), verror() or error_stream(). */
828 extern NORETURN
void error_begin (void);
830 extern NORETURN
void error_stream (struct ui_file
*) ATTR_NORETURN
;
832 /* Returns a freshly allocate buffer containing the last error
834 extern char *error_last_message (void);
836 extern NORETURN
void internal_verror (const char *, va_list ap
) ATTR_NORETURN
;
838 extern NORETURN
void internal_error (char *, ...) ATTR_NORETURN
;
840 extern NORETURN
void nomem (long) ATTR_NORETURN
;
842 /* Reasons for calling return_to_top_level. Note: enum value 0 is
843 reserved for internal use as the return value from an initial
848 /* User interrupt. */
850 /* Any other error. */
854 #define ALL_CLEANUPS ((struct cleanup *)0)
856 #define RETURN_MASK(reason) (1 << (int)(reason))
857 #define RETURN_MASK_QUIT RETURN_MASK (RETURN_QUIT)
858 #define RETURN_MASK_ERROR RETURN_MASK (RETURN_ERROR)
859 #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
860 typedef int return_mask
;
862 extern NORETURN
void return_to_top_level (enum return_reason
) ATTR_NORETURN
;
864 /* If CATCH_ERRORS_FTYPE throws an error, catch_errors() returns zero
865 otherwize the result from CATCH_ERRORS_FTYPE is returned. It is
866 probably useful for CATCH_ERRORS_FTYPE to always return a non-zero
867 value. It's unfortunate that, catch_errors() does not return an
868 indication of the exact exception that it caught - quit_flag might
871 typedef int (catch_errors_ftype
) (PTR
);
872 extern int catch_errors (catch_errors_ftype
*, PTR
, char *, return_mask
);
874 /* Template to catch_errors() that wraps calls to command
877 typedef void (catch_command_errors_ftype
) (char *, int);
878 extern int catch_command_errors (catch_command_errors_ftype
*func
, char *command
, int from_tty
, return_mask
);
880 extern void warning_begin (void);
882 extern void warning (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
884 /* Global functions from other, non-gdb GNU thingies.
885 Libiberty thingies are no longer declared here. We include libiberty.h
888 #ifndef GETENV_PROVIDED
889 extern char *getenv (const char *);
892 /* From other system libraries */
899 #if defined(_MSC_VER) && !defined(__cplusplus)
900 /* msvc defines these in stdlib.h for c code */
907 #define min(a, b) ((a) < (b) ? (a) : (b))
910 #define max(a, b) ((a) > (b) ? (a) : (b))
914 /* We take the address of fclose later, but some stdio's forget
915 to declare this. We can't always declare it since there's
916 no way to declare the parameters without upsetting some compiler
919 #ifndef FCLOSE_PROVIDED
920 extern int fclose (FILE *);
924 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
927 #ifndef MALLOC_INCOMPATIBLE
929 #ifdef NEED_DECLARATION_MALLOC
930 extern PTR
malloc ();
933 #ifdef NEED_DECLARATION_REALLOC
934 extern PTR
realloc ();
937 #ifdef NEED_DECLARATION_FREE
941 #endif /* MALLOC_INCOMPATIBLE */
943 /* Various possibilities for alloca. */
946 #define alloca __builtin_alloca
947 #else /* Not GNU C */
955 /* We need to be careful not to declare this in a way which conflicts with
956 bison. Bison never declares it as char *, but under various circumstances
957 (like __hpux) we need to use void *. */
958 #if defined (__STDC__) || defined (__hpux)
959 extern void *alloca ();
960 #else /* Don't use void *. */
961 extern char *alloca ();
962 #endif /* Don't use void *. */
963 #endif /* Not _AIX */
964 #endif /* Not HAVE_ALLOCA_H */
965 #endif /* Not GNU C */
966 #endif /* alloca not defined */
968 /* HOST_BYTE_ORDER must be defined to one of these. */
974 #if !defined (BIG_ENDIAN)
975 #define BIG_ENDIAN 4321
978 #if !defined (LITTLE_ENDIAN)
979 #define LITTLE_ENDIAN 1234
982 /* Dynamic target-system-dependent parameters for GDB. */
984 #if (GDB_MULTI_ARCH == 0)
985 /* Multi-arch targets _should_ be including "arch-utils.h" directly
986 into their *-tdep.c file. This is a prop to help old non-
987 multi-arch targets to continue to compile. */
988 #include "arch-utils.h"
991 /* Static target-system-dependent parameters for GDB. */
993 /* Number of bits in a char or unsigned char for the target machine.
994 Just like CHAR_BIT in <limits.h> but describes the target machine. */
995 #if !defined (TARGET_CHAR_BIT)
996 #define TARGET_CHAR_BIT 8
999 /* Number of bits in a short or unsigned short for the target machine. */
1000 #if !defined (TARGET_SHORT_BIT)
1001 #define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT)
1004 /* Number of bits in an int or unsigned int for the target machine. */
1005 #if !defined (TARGET_INT_BIT)
1006 #define TARGET_INT_BIT (4 * TARGET_CHAR_BIT)
1009 /* Number of bits in a long or unsigned long for the target machine. */
1010 #if !defined (TARGET_LONG_BIT)
1011 #define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT)
1014 /* Number of bits in a long long or unsigned long long for the target machine. */
1015 #if !defined (TARGET_LONG_LONG_BIT)
1016 #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT)
1019 /* Number of bits in a float for the target machine. */
1020 #if !defined (TARGET_FLOAT_BIT)
1021 #define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT)
1024 /* Number of bits in a double for the target machine. */
1025 #if !defined (TARGET_DOUBLE_BIT)
1026 #define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT)
1029 /* Number of bits in a long double for the target machine. */
1030 #if !defined (TARGET_LONG_DOUBLE_BIT)
1031 #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT)
1034 /* Number of bits in a pointer for the target machine */
1035 #if !defined (TARGET_PTR_BIT)
1036 #define TARGET_PTR_BIT TARGET_INT_BIT
1039 /* Number of bits in a BFD_VMA for the target object file format. */
1040 #if !defined (TARGET_BFD_VMA_BIT)
1041 #define TARGET_BFD_VMA_BIT TARGET_PTR_BIT
1044 /* If we picked up a copy of CHAR_BIT from a configuration file
1045 (which may get it by including <limits.h>) then use it to set
1046 the number of bits in a host char. If not, use the same size
1049 #if defined (CHAR_BIT)
1050 #define HOST_CHAR_BIT CHAR_BIT
1052 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1055 /* The bit byte-order has to do just with numbering of bits in
1056 debugging symbols and such. Conceptually, it's quite separate
1057 from byte/word byte order. */
1059 #if !defined (BITS_BIG_ENDIAN)
1060 #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN)
1065 extern LONGEST
extract_signed_integer (void *, int);
1067 extern ULONGEST
extract_unsigned_integer (void *, int);
1069 extern int extract_long_unsigned_integer (void *, int, LONGEST
*);
1071 extern CORE_ADDR
extract_address (void *, int);
1073 extern CORE_ADDR
extract_typed_address (void *buf
, struct type
*type
);
1075 extern void store_signed_integer (void *, int, LONGEST
);
1077 extern void store_unsigned_integer (void *, int, ULONGEST
);
1079 extern void store_address (void *, int, LONGEST
);
1081 extern void store_typed_address (void *buf
, struct type
*type
, CORE_ADDR addr
);
1083 /* Setup definitions for host and target floating point formats. We need to
1084 consider the format for `float', `double', and `long double' for both target
1085 and host. We need to do this so that we know what kind of conversions need
1086 to be done when converting target numbers to and from the hosts DOUBLEST
1089 /* This is used to indicate that we don't know the format of the floating point
1090 number. Typically, this is useful for native ports, where the actual format
1091 is irrelevant, since no conversions will be taking place. */
1093 extern const struct floatformat floatformat_unknown
;
1095 #if HOST_BYTE_ORDER == BIG_ENDIAN
1096 #ifndef HOST_FLOAT_FORMAT
1097 #define HOST_FLOAT_FORMAT &floatformat_ieee_single_big
1099 #ifndef HOST_DOUBLE_FORMAT
1100 #define HOST_DOUBLE_FORMAT &floatformat_ieee_double_big
1102 #else /* LITTLE_ENDIAN */
1103 #ifndef HOST_FLOAT_FORMAT
1104 #define HOST_FLOAT_FORMAT &floatformat_ieee_single_little
1106 #ifndef HOST_DOUBLE_FORMAT
1107 #define HOST_DOUBLE_FORMAT &floatformat_ieee_double_little
1111 #ifndef HOST_LONG_DOUBLE_FORMAT
1112 #define HOST_LONG_DOUBLE_FORMAT &floatformat_unknown
1115 /* Use `long double' if the host compiler supports it. (Note that this is not
1116 necessarily any longer than `double'. On SunOS/gcc, it's the same as
1117 double.) This is necessary because GDB internally converts all floating
1118 point values to the widest type supported by the host.
1120 There are problems however, when the target `long double' is longer than the
1121 host's `long double'. In general, we'll probably reduce the precision of
1122 any such values and print a warning. */
1124 #ifdef HAVE_LONG_DOUBLE
1125 typedef long double DOUBLEST
;
1127 typedef double DOUBLEST
;
1130 extern void floatformat_to_doublest (const struct floatformat
*,
1131 char *, DOUBLEST
*);
1132 extern void floatformat_from_doublest (const struct floatformat
*,
1133 DOUBLEST
*, char *);
1134 extern DOUBLEST
extract_floating (void *, int);
1136 extern void store_floating (void *, int, DOUBLEST
);
1138 /* On some machines there are bits in addresses which are not really
1139 part of the address, but are used by the kernel, the hardware, etc.
1140 for special purposes. ADDR_BITS_REMOVE takes out any such bits
1141 so we get a "real" address such as one would find in a symbol
1142 table. This is used only for addresses of instructions, and even then
1143 I'm not sure it's used in all contexts. It exists to deal with there
1144 being a few stray bits in the PC which would mislead us, not as some sort
1145 of generic thing to handle alignment or segmentation (it's possible it
1146 should be in TARGET_READ_PC instead). */
1147 #if !defined (ADDR_BITS_REMOVE)
1148 #define ADDR_BITS_REMOVE(addr) (addr)
1149 #endif /* No ADDR_BITS_REMOVE. */
1153 extern CORE_ADDR
push_bytes (CORE_ADDR
, char *, int);
1155 extern CORE_ADDR
push_word (CORE_ADDR
, ULONGEST
);
1157 extern int watchdog
;
1159 /* Hooks for alternate command interfaces. */
1162 /* The name of the interpreter if specified on the command line. */
1163 extern char *interpreter_p
;
1166 /* If a given interpreter matches INTERPRETER_P then it should update
1167 command_loop_hook and init_ui_hook with the per-interpreter
1169 /* FIXME: command_loop_hook and init_ui_hook should be moved here. */
1171 struct target_waitstatus
;
1172 struct cmd_list_element
;
1174 /* Should the asynchronous variant of the interpreter (using the
1175 event-loop) be enabled? */
1176 extern int event_loop_p
;
1178 extern void (*init_ui_hook
) (char *argv0
);
1179 extern void (*command_loop_hook
) (void);
1180 extern void (*show_load_progress
) (const char *section
,
1181 unsigned long section_sent
,
1182 unsigned long section_size
,
1183 unsigned long total_sent
,
1184 unsigned long total_size
);
1185 extern void (*print_frame_info_listing_hook
) (struct symtab
* s
,
1186 int line
, int stopline
,
1188 extern struct frame_info
*parse_frame_specification (char *frame_exp
);
1189 extern int (*query_hook
) (const char *, va_list);
1190 extern void (*warning_hook
) (const char *, va_list);
1191 extern void (*flush_hook
) (struct ui_file
* stream
);
1192 extern void (*create_breakpoint_hook
) (struct breakpoint
* b
);
1193 extern void (*delete_breakpoint_hook
) (struct breakpoint
* bpt
);
1194 extern void (*modify_breakpoint_hook
) (struct breakpoint
* bpt
);
1195 extern void (*interactive_hook
) (void);
1196 extern void (*registers_changed_hook
) (void);
1197 extern void (*readline_begin_hook
) (char *,...);
1198 extern char *(*readline_hook
) (char *);
1199 extern void (*readline_end_hook
) (void);
1200 extern void (*register_changed_hook
) (int regno
);
1201 extern void (*memory_changed_hook
) (CORE_ADDR addr
, int len
);
1202 extern void (*context_hook
) (int);
1203 extern int (*target_wait_hook
) (int pid
, struct target_waitstatus
* status
);
1205 extern void (*attach_hook
) (void);
1206 extern void (*detach_hook
) (void);
1207 extern void (*call_command_hook
) (struct cmd_list_element
* c
,
1208 char *cmd
, int from_tty
);
1210 extern void (*set_hook
) (struct cmd_list_element
* c
);
1212 extern NORETURN
void (*error_hook
) (void) ATTR_NORETURN
;
1214 extern void (*error_begin_hook
) (void);
1216 extern int (*ui_load_progress_hook
) (const char *section
, unsigned long num
);
1219 /* Inhibit window interface if non-zero. */
1221 extern int use_windows
;
1223 /* Symbolic definitions of filename-related things. */
1224 /* FIXME, this doesn't work very well if host and executable
1225 filesystems conventions are different. */
1227 #ifndef DIRNAME_SEPARATOR
1228 #define DIRNAME_SEPARATOR ':'
1232 #if defined(__GO32__)||defined(_WIN32)
1233 #define SLASH_P(X) ((X)=='\\')
1235 #define SLASH_P(X) ((X)=='/')
1240 #if defined(__GO32__)||defined(_WIN32)
1241 #define SLASH_CHAR '\\'
1243 #define SLASH_CHAR '/'
1247 #ifndef SLASH_STRING
1248 #if defined(__GO32__)||defined(_WIN32)
1249 #define SLASH_STRING "\\"
1251 #define SLASH_STRING "/"
1256 #define ROOTED_P(X) (SLASH_P((X)[0]))
1259 /* On some systems, PIDGET is defined to extract the inferior pid from
1260 an internal pid that has the thread id and pid in seperate bit
1261 fields. If not defined, then just use the entire internal pid as
1265 #define PIDGET(PID) (PID)
1266 #define TIDGET(PID) 0
1267 #define MERGEPID(PID, TID) (PID)
1270 /* If under Cygwin, provide backwards compatibility with older
1271 Cygwin compilers that don't define the current cpp define. */
1278 /* Define well known filenos if the system does not define them. */
1279 #ifndef STDIN_FILENO
1280 #define STDIN_FILENO 0
1282 #ifndef STDOUT_FILENO
1283 #define STDOUT_FILENO 1
1285 #ifndef STDERR_FILENO
1286 #define STDERR_FILENO 2
1289 /* If this definition isn't overridden by the header files, assume
1290 that isatty and fileno exist on this system. */
1292 #define ISATTY(FP) (isatty (fileno (FP)))
1296 /* FIXME: cagney/1999-12-13: The following will be moved to gdb.h /
1297 libgdb.h or gdblib.h. */
1299 /* Return-code (RC) from a gdb library call. (The abreviation RC is
1300 taken from the sim/common directory.) */
1303 /* The operation failed. The failure message can be fetched by
1304 calling ``char *error_last_message(void)''. The value is
1305 determined by the catch_errors() interface. */
1306 /* NOTE: Since ``defs.h:catch_errors()'' does not return an error /
1307 internal / quit indication it is not possible to return that
1310 /* No error occured but nothing happened. Due to the catch_errors()
1311 interface, this must be non-zero. */
1313 /* The operation was successful. Due to the catch_errors()
1314 interface, this must be non-zero. */
1319 /* Print the specified breakpoint on GDB_STDOUT. (Eventually this
1320 function will ``print'' the object on ``output''). */
1321 enum gdb_rc
gdb_breakpoint_query (/* struct {ui,gdb}_out *output, */ int bnum
);
1323 /* Create a breakpoint at ADDRESS (a GDB source and line). */
1324 enum gdb_rc
gdb_breakpoint (char *address
, char *condition
,
1325 int hardwareflag
, int tempflag
,
1326 int thread
, int ignore_count
);
1327 enum gdb_rc
gdb_thread_select (/* output object */ char *tidstr
);
1330 /* Print a list of known thread ids. */
1331 enum gdb_rc
gdb_list_thread_ids (/* output object */);
1333 /* Switch thread and print notification. */
1335 #endif /* #ifndef DEFS_H */