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 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
310 make_cleanup function declarations below. Do not use this typedef
311 as a cast when passing functions into the make_cleanup() code.
312 Instead either use a bounce function or add a wrapper function.
313 Calling a f(char*) function with f(void*) is non-portable. */
314 typedef void (make_cleanup_ftype
) (void *);
316 extern struct cleanup
*make_cleanup (make_cleanup_ftype
*, void *);
318 extern struct cleanup
*make_cleanup_freeargv (char **);
321 extern struct cleanup
*make_cleanup_ui_file_delete (struct ui_file
*);
323 extern struct cleanup
*make_cleanup_close (int fd
);
325 extern struct cleanup
*make_cleanup_bfd_close (bfd
*abfd
);
327 extern struct cleanup
*make_final_cleanup (make_cleanup_ftype
*, void *);
329 extern struct cleanup
*make_my_cleanup (struct cleanup
**,
330 make_cleanup_ftype
*, void *);
332 extern struct cleanup
*make_run_cleanup (make_cleanup_ftype
*, void *);
334 extern struct cleanup
*make_exec_cleanup (make_cleanup_ftype
*, void *);
335 extern struct cleanup
*make_exec_error_cleanup (make_cleanup_ftype
*, void *);
337 extern struct cleanup
*save_cleanups (void);
338 extern struct cleanup
*save_final_cleanups (void);
339 extern struct cleanup
*save_my_cleanups (struct cleanup
**);
341 extern void restore_cleanups (struct cleanup
*);
342 extern void restore_final_cleanups (struct cleanup
*);
343 extern void restore_my_cleanups (struct cleanup
**, struct cleanup
*);
345 extern void free_current_contents (void *);
347 extern void null_cleanup (void *);
349 extern int myread (int, char *, int);
351 extern int query (char *, ...) ATTR_FORMAT (printf
, 1, 2);
353 #if !defined (USE_MMALLOC)
354 /* NOTE: cagney/2000-03-04: The mmalloc functions need to use PTR
355 rather than void* so that they are consistent with
356 ../mmalloc/mmalloc.h. */
357 extern PTR
mcalloc (PTR
, size_t, size_t);
358 extern PTR
mmalloc (PTR
, size_t);
359 extern PTR
mrealloc (PTR
, PTR
, size_t);
360 extern void mfree (PTR
, PTR
);
363 extern void init_page_info (void);
365 extern CORE_ADDR
host_pointer_to_address (void *ptr
);
366 extern void *address_to_host_pointer (CORE_ADDR addr
);
368 /* From demangle.c */
370 extern void set_demangling_style (char *);
375 typedef int (use_struct_convention_fn
) (int gcc_p
, struct type
* value_type
);
376 extern use_struct_convention_fn generic_use_struct_convention
;
378 typedef unsigned char *(breakpoint_from_pc_fn
) (CORE_ADDR
* pcptr
, int *lenptr
);
380 /* Annotation stuff. */
382 extern int annotation_level
; /* in stack.c */
384 extern void begin_line (void);
386 extern void wrap_here (char *);
388 extern void reinitialize_more_filter (void);
391 extern struct ui_file
*gdb_stdout
;
392 /* Serious error notifications */
393 extern struct ui_file
*gdb_stderr
;
394 /* Log/debug/trace messages that should bypass normal stdout/stderr
395 filtering. For momement, always call this stream using
396 *_unfiltered. In the very near future that restriction shall be
397 removed - either call shall be unfiltered. (cagney 1999-06-13). */
398 extern struct ui_file
*gdb_stdlog
;
399 /* Target output that should bypass normal stdout/stderr filtering.
400 For momement, always call this stream using *_unfiltered. In the
401 very near future that restriction shall be removed - either call
402 shall be unfiltered. (cagney 1999-07-02). */
403 extern struct ui_file
*gdb_stdtarg
;
407 #include "tuiCommand.h"
410 #include "tuiLayout.h"
416 /* More generic printf like operations */
418 extern void fputs_filtered (const char *, struct ui_file
*);
420 extern void fputs_unfiltered (const char *, struct ui_file
*);
422 extern int fputc_filtered (int c
, struct ui_file
*);
424 extern int fputc_unfiltered (int c
, struct ui_file
*);
426 extern int putchar_unfiltered (int c
);
428 extern void puts_filtered (const char *);
430 extern void puts_unfiltered (const char *);
432 extern void puts_debug (char *prefix
, char *string
, char *suffix
);
434 extern void vprintf_filtered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
436 extern void vfprintf_filtered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
438 extern void fprintf_filtered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
440 extern void fprintfi_filtered (int, struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 3, 4);
442 extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
444 extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
446 extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
448 extern void vfprintf_unfiltered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
450 extern void fprintf_unfiltered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
452 extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
454 extern void print_spaces (int, struct ui_file
*);
456 extern void print_spaces_filtered (int, struct ui_file
*);
458 extern char *n_spaces (int);
460 extern void fputstr_filtered (const char *str
, int quotr
, struct ui_file
* stream
);
462 extern void fputstr_unfiltered (const char *str
, int quotr
, struct ui_file
* stream
);
464 extern void fputstrn_unfiltered (const char *str
, int n
, int quotr
, struct ui_file
* stream
);
466 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
467 extern void gdb_print_host_address (void *addr
, struct ui_file
*stream
);
469 /* Convert a CORE_ADDR into a HEX string. paddr() is like %08lx.
470 paddr_nz() is like %lx. paddr_u() is like %lu. paddr_width() is
472 extern int strlen_paddr (void);
473 extern char *paddr (CORE_ADDR addr
);
474 extern char *paddr_nz (CORE_ADDR addr
);
475 extern char *paddr_u (CORE_ADDR addr
);
476 extern char *paddr_d (LONGEST addr
);
478 extern char *phex (ULONGEST l
, int sizeof_l
);
479 extern char *phex_nz (ULONGEST l
, int sizeof_l
);
481 extern void fprintf_symbol_filtered (struct ui_file
*, char *,
484 extern NORETURN
void perror_with_name (char *) ATTR_NORETURN
;
486 extern void print_sys_errmsg (char *, int);
488 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
489 "const char *" in unistd.h, so we can't declare the argument
492 extern char *re_comp (const char *);
496 extern void symbol_file_command (char *, int);
498 /* Remote targets may wish to use this as their load function. */
499 extern void generic_load (char *name
, int from_tty
);
501 /* Summarise a download */
502 extern void print_transfer_performance (struct ui_file
*stream
,
503 unsigned long data_count
,
504 unsigned long write_count
,
505 unsigned long time_count
);
509 typedef void initialize_file_ftype (void);
511 extern char *skip_quoted (char *);
513 extern char *gdb_readline (char *);
515 extern char *command_line_input (char *, int, char *);
517 extern void print_prompt (void);
519 extern int input_from_terminal_p (void);
521 extern int info_verbose
;
523 /* From printcmd.c */
525 extern void set_next_address (CORE_ADDR
);
527 extern void print_address_symbolic (CORE_ADDR
, struct ui_file
*, int,
530 extern int build_address_symbolic (CORE_ADDR addr
,
538 extern void print_address_numeric (CORE_ADDR
, int, struct ui_file
*);
540 extern void print_address (CORE_ADDR
, struct ui_file
*);
544 extern int openp (char *, int, char *, int, int, char **);
546 extern int source_full_path_of (char *, char **);
548 extern void mod_path (char *, char **);
550 extern void directory_command (char *, int);
552 extern void init_source_path (void);
554 extern char *symtab_to_filename (struct symtab
*);
558 extern void exec_set_section_offsets (bfd_signed_vma text_off
,
559 bfd_signed_vma data_off
,
560 bfd_signed_vma bss_off
);
564 extern int read_relative_register_raw_bytes (int, char *);
566 /* Possible lvalue types. Like enum language, this should be in
567 value.h, but needs to be here for the same reason. */
573 /* In memory. Could be a saved register. */
577 /* In a gdb internal variable. */
579 /* Part of a gdb internal variable (structure field). */
580 lval_internalvar_component
,
581 /* In a register series in a frame not the current one, which may have been
582 partially saved or saved in different places (otherwise would be
583 lval_register or lval_memory). */
584 lval_reg_frame_relative
589 void default_get_saved_register (char *raw_buffer
, int *optimized
,
591 struct frame_info
*frame
, int regnum
,
592 enum lval_type
*lval
);
594 /* From readline (but not in any readline .h files). */
596 extern char *tilde_expand (char *);
598 /* Control types for commands */
600 enum misc_command_type
608 enum command_control_type
618 /* Structure for saved commands lines
619 (for breakpoints, defined commands, etc). */
623 struct command_line
*next
;
625 enum command_control_type control_type
;
627 struct command_line
**body_list
;
630 extern struct command_line
*read_command_lines (char *, int);
632 extern void free_command_lines (struct command_line
**);
634 /* To continue the execution commands when running gdb asynchronously.
635 A continuation structure contains a pointer to a function to be called
636 to finish the command, once the target has stopped. Such mechanism is
637 used bt the finish and until commands, and in the remote protocol
638 when opening an extended-remote connection. */
640 struct continuation_arg
642 struct continuation_arg
*next
;
643 union continuation_data
{
652 void (*continuation_hook
) (struct continuation_arg
*);
653 struct continuation_arg
*arg_list
;
654 struct continuation
*next
;
656 struct continuation continuation
;
659 extern struct continuation
*cmd_continuation
;
660 /* Used only by the step_1 function. */
661 extern struct continuation
*intermediate_continuation
;
664 extern void add_continuation (void (*)(struct continuation_arg
*),
665 struct continuation_arg
*);
666 extern void do_all_continuations (void);
667 extern void discard_all_continuations (void);
669 extern void add_intermediate_continuation (void (*)(struct continuation_arg
*),
670 struct continuation_arg
*);
671 extern void do_all_intermediate_continuations (void);
672 extern void discard_all_intermediate_continuations (void);
674 /* String containing the current directory (what getwd would return). */
676 extern char *current_directory
;
678 /* Default radixes for input and output. Only some values supported. */
679 extern unsigned input_radix
;
680 extern unsigned output_radix
;
682 /* Possibilities for prettyprint parameters to routines which print
683 things. Like enum language, this should be in value.h, but needs
684 to be here for the same reason. FIXME: If we can eliminate this
685 as an arg to LA_VAL_PRINT, then we can probably move it back to
690 Val_no_prettyprint
= 0,
692 /* Use the default setting which the user has specified. */
697 /* Host machine definition. This will be a symlink to one of the
698 xm-*.h files, built by the `configure' script. */
702 /* Native machine support. This will be a symlink to one of the
703 nm-*.h files, built by the `configure' script. */
707 /* Target machine definition. This will be a symlink to one of the
708 tm-*.h files, built by the `configure' script. */
712 /* If the xm.h file did not define the mode string used to open the
713 files, assume that binary files are opened the same way as text
716 #include "fopen-same.h"
719 /* Microsoft C can't deal with const pointers */
724 #define CONST_PTR const
728 * Allow things in gdb to be declared "volatile". If compiling ANSI, it
729 * just works. If compiling with gcc but non-ansi, redefine to __volatile__.
730 * If non-ansi, non-gcc, then eliminate "volatile" entirely, making those
731 * objects be read-write rather than read-only.
737 #define volatile __volatile__
739 #define volatile /* nothing */
742 #endif /* volatile */
744 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
745 FIXME: Assumes 2's complement arithmetic */
747 #if !defined (UINT_MAX)
748 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
751 #if !defined (INT_MAX)
752 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
755 #if !defined (INT_MIN)
756 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
759 #if !defined (ULONG_MAX)
760 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
763 #if !defined (LONG_MAX)
764 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
767 #if !defined (ULONGEST_MAX)
768 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 32-bits */
771 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 32-bits */
772 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
775 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
776 arguments to a function, number in a value history, register number, etc.)
777 where the value must not be larger than can fit in an int. */
779 extern int longest_to_int (LONGEST
);
781 /* Assorted functions we can declare, now that const and volatile are
784 extern char *savestring (const char *, int);
786 extern char *msavestring (void *, const char *, int);
788 extern char *strsave (const char *);
790 extern char *mstrsave (void *, const char *);
792 /* FIXME; was long, but this causes compile errors in msvc if already
795 extern PTR
xmmalloc (PTR
, size_t);
796 extern PTR
xmrealloc (PTR
, PTR
, size_t);
798 extern PTR
xmmalloc (PTR
, long);
799 extern PTR
xmrealloc (PTR
, PTR
, long);
802 extern int parse_escape (char **);
804 /* Message to be printed before the error message, when an error occurs. */
806 extern char *error_pre_print
;
808 /* Message to be printed before the error message, when an error occurs. */
810 extern char *quit_pre_print
;
812 /* Message to be printed before the warning message, when a warning occurs. */
814 extern char *warning_pre_print
;
816 extern NORETURN
void verror (const char *fmt
, va_list ap
) ATTR_NORETURN
;
818 extern NORETURN
void error (const char *fmt
, ...) ATTR_NORETURN
;
820 /* DEPRECATED: Use error(), verror() or error_stream(). */
821 extern NORETURN
void error_begin (void);
823 extern NORETURN
void error_stream (struct ui_file
*) ATTR_NORETURN
;
825 /* Returns a freshly allocate buffer containing the last error
827 extern char *error_last_message (void);
829 extern NORETURN
void internal_verror (const char *, va_list ap
) ATTR_NORETURN
;
831 extern NORETURN
void internal_error (char *, ...) ATTR_NORETURN
;
833 extern NORETURN
void nomem (long) ATTR_NORETURN
;
835 /* Reasons for calling return_to_top_level. Note: enum value 0 is
836 reserved for internal use as the return value from an initial
841 /* User interrupt. */
843 /* Any other error. */
847 #define ALL_CLEANUPS ((struct cleanup *)0)
849 #define RETURN_MASK(reason) (1 << (int)(reason))
850 #define RETURN_MASK_QUIT RETURN_MASK (RETURN_QUIT)
851 #define RETURN_MASK_ERROR RETURN_MASK (RETURN_ERROR)
852 #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
853 typedef int return_mask
;
855 extern NORETURN
void return_to_top_level (enum return_reason
) ATTR_NORETURN
;
857 /* If CATCH_ERRORS_FTYPE throws an error, catch_errors() returns zero
858 otherwize the result from CATCH_ERRORS_FTYPE is returned. It is
859 probably useful for CATCH_ERRORS_FTYPE to always return a non-zero
860 value. It's unfortunate that, catch_errors() does not return an
861 indication of the exact exception that it caught - quit_flag might
864 typedef int (catch_errors_ftype
) (PTR
);
865 extern int catch_errors (catch_errors_ftype
*, PTR
, char *, return_mask
);
867 /* Template to catch_errors() that wraps calls to command
870 typedef void (catch_command_errors_ftype
) (char *, int);
871 extern int catch_command_errors (catch_command_errors_ftype
*func
, char *command
, int from_tty
, return_mask
);
873 extern void warning_begin (void);
875 extern void warning (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
877 /* Global functions from other, non-gdb GNU thingies.
878 Libiberty thingies are no longer declared here. We include libiberty.h
881 #ifndef GETENV_PROVIDED
882 extern char *getenv (const char *);
885 /* From other system libraries */
892 #if defined(_MSC_VER) && !defined(__cplusplus)
893 /* msvc defines these in stdlib.h for c code */
900 #define min(a, b) ((a) < (b) ? (a) : (b))
903 #define max(a, b) ((a) > (b) ? (a) : (b))
907 /* We take the address of fclose later, but some stdio's forget
908 to declare this. We can't always declare it since there's
909 no way to declare the parameters without upsetting some compiler
912 #ifndef FCLOSE_PROVIDED
913 extern int fclose (FILE *);
917 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
920 #ifndef MALLOC_INCOMPATIBLE
922 #ifdef NEED_DECLARATION_MALLOC
923 extern PTR
malloc ();
926 #ifdef NEED_DECLARATION_REALLOC
927 extern PTR
realloc ();
930 #ifdef NEED_DECLARATION_FREE
934 #endif /* MALLOC_INCOMPATIBLE */
936 /* Various possibilities for alloca. */
939 #define alloca __builtin_alloca
940 #else /* Not GNU C */
948 /* We need to be careful not to declare this in a way which conflicts with
949 bison. Bison never declares it as char *, but under various circumstances
950 (like __hpux) we need to use void *. */
951 #if defined (__STDC__) || defined (__hpux)
952 extern void *alloca ();
953 #else /* Don't use void *. */
954 extern char *alloca ();
955 #endif /* Don't use void *. */
956 #endif /* Not _AIX */
957 #endif /* Not HAVE_ALLOCA_H */
958 #endif /* Not GNU C */
959 #endif /* alloca not defined */
961 /* HOST_BYTE_ORDER must be defined to one of these. */
967 #if !defined (BIG_ENDIAN)
968 #define BIG_ENDIAN 4321
971 #if !defined (LITTLE_ENDIAN)
972 #define LITTLE_ENDIAN 1234
975 /* Dynamic target-system-dependent parameters for GDB. */
977 #if (GDB_MULTI_ARCH == 0)
978 /* Multi-arch targets _should_ be including "arch-utils.h" directly
979 into their *-tdep.c file. This is a prop to help old non-
980 multi-arch targets to continue to compile. */
981 #include "arch-utils.h"
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 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 /* If under Cygwin, provide backwards compatibility with older
1264 Cygwin compilers that don't define the current cpp define. */
1271 /* Define well known filenos if the system does not define them. */
1272 #ifndef STDIN_FILENO
1273 #define STDIN_FILENO 0
1275 #ifndef STDOUT_FILENO
1276 #define STDOUT_FILENO 1
1278 #ifndef STDERR_FILENO
1279 #define STDERR_FILENO 2
1282 /* If this definition isn't overridden by the header files, assume
1283 that isatty and fileno exist on this system. */
1285 #define ISATTY(FP) (isatty (fileno (FP)))
1289 /* FIXME: cagney/1999-12-13: The following will be moved to gdb.h /
1290 libgdb.h or gdblib.h. */
1292 /* Return-code (RC) from a gdb library call. (The abreviation RC is
1293 taken from the sim/common directory.) */
1296 /* The operation failed. The failure message can be fetched by
1297 calling ``char *error_last_message(void)''. The value is
1298 determined by the catch_errors() interface. */
1299 /* NOTE: Since ``defs.h:catch_errors()'' does not return an error /
1300 internal / quit indication it is not possible to return that
1303 /* No error occured but nothing happened. Due to the catch_errors()
1304 interface, this must be non-zero. */
1306 /* The operation was successful. Due to the catch_errors()
1307 interface, this must be non-zero. */
1312 /* Print the specified breakpoint on GDB_STDOUT. (Eventually this
1313 function will ``print'' the object on ``output''). */
1314 enum gdb_rc
gdb_breakpoint_query (/* struct {ui,gdb}_out *output, */ int bnum
);
1316 /* Create a breakpoint at ADDRESS (a GDB source and line). */
1317 enum gdb_rc
gdb_breakpoint (char *address
, char *condition
,
1318 int hardwareflag
, int tempflag
,
1319 int thread
, int ignore_count
);
1320 enum gdb_rc
gdb_thread_select (/* output object */ char *tidstr
);
1323 /* Print a list of known thread ids. */
1324 enum gdb_rc
gdb_list_thread_ids (/* output object */);
1326 /* Switch thread and print notification. */
1328 #endif /* #ifndef DEFS_H */