1 /* *INDENT-OFF* */ /* ATTR_FORMAT confuses indent, avoid running it for now */
2 /* Basic, host-specific, and target-specific definitions for GDB.
3 Copyright (C) 1986, 1989, 1991-1996, 1998-2000
4 Free Software Foundation, Inc.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, USA. */
26 #include "config.h" /* Generated by configure */
28 #include <errno.h> /* System call error return status */
34 #include <sys/types.h> /* for size_t */
41 /* Just in case they're not defined in stdio.h. */
50 /* First include ansidecl.h so we can use the various macro definitions
51 here and in all subsequent file inclusions. */
55 #include <stdarg.h> /* for va_list */
57 #include "libiberty.h"
59 /* libiberty.h can't declare this one, but evidently we can. */
60 extern char *strsignal (int);
68 /* For BFD64 and bfd_vma. */
71 /* An address in the program being debugged. Host byte order. Rather
72 than duplicate all the logic in BFD which figures out what type
73 this is (long, long long, etc.) and whether it needs to be 64
74 bits (the host/target interactions are subtle), we just use
77 typedef bfd_vma CORE_ADDR
;
79 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
85 #define LONGEST BFD_HOST_64_BIT
86 #define ULONGEST BFD_HOST_U_64_BIT
90 #ifdef CC_HAS_LONG_LONG
91 #define LONGEST long long
92 #define ULONGEST unsigned long long
94 #ifdef BFD_HOST_64_BIT
95 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
96 (e.g. i386-windows) so try it. */
97 #define LONGEST BFD_HOST_64_BIT
98 #define ULONGEST BFD_HOST_U_64_BIT
101 #define ULONGEST unsigned long
105 #endif /* No BFD64 */
107 #endif /* ! LONGEST */
109 extern int core_addr_lessthan (CORE_ADDR lhs
, CORE_ADDR rhs
);
110 extern int core_addr_greaterthan (CORE_ADDR lhs
, CORE_ADDR rhs
);
114 #define min(a, b) ((a) < (b) ? (a) : (b))
117 #define max(a, b) ((a) > (b) ? (a) : (b))
120 /* Gdb does *lots* of string compares. Use macros to speed them up by
121 avoiding function calls if the first characters are not the same. */
123 #define STRCMP(a,b) (*(a) == *(b) ? strcmp ((a), (b)) : (int)*(a) - (int)*(b))
124 #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0)
125 #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0)
127 /* The character GNU C++ uses to build identifiers that must be unique from
128 the program's identifiers (such as $this and $$vptr). */
129 #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */
131 /* Check if a character is one of the commonly used C++ marker characters. */
132 extern int is_cplus_marker (int);
134 /* use tui interface if non-zero */
135 extern int tui_version
;
138 /* all invocations of TUIDO should have two sets of parens */
139 #define TUIDO(x) tuiDo x
144 /* enable xdb commands if set */
145 extern int xdb_commands
;
147 /* enable dbx commands if set */
148 extern int dbx_commands
;
150 extern int quit_flag
;
151 extern int immediate_quit
;
152 extern int sevenbit_strings
;
154 extern void quit (void);
157 /* do twice to force compiler warning */
158 #define QUIT_FIXME "FIXME"
159 #define QUIT_FIXME "ignoring redefinition of QUIT"
162 if (quit_flag) quit (); \
163 if (interactive_hook) interactive_hook (); \
168 /* Languages represented in the symbol table and elsewhere.
169 This should probably be in language.h, but since enum's can't
170 be forward declared to satisfy opaque references before their
171 actual definition, needs to be here. */
175 language_unknown
, /* Language not known */
176 language_auto
, /* Placeholder for automatic setting */
178 language_cplus
, /* C++ */
179 language_java
, /* Java */
180 language_chill
, /* Chill */
181 language_fortran
, /* Fortran */
182 language_m2
, /* Modula-2 */
183 language_asm
, /* Assembly language */
184 language_scm
/* Scheme / Guile */
191 unspecified_precision
194 /* the cleanup list records things that have to be undone
195 if an error happens (descriptors to be closed, memory to be freed, etc.)
196 Each link in the chain records a function to call and an
199 Use make_cleanup to add an element to the cleanup chain.
200 Use do_cleanups to do all cleanup actions back to a given
201 point in the chain. Use discard_cleanups to remove cleanups
202 from the chain back to a given point, not doing them. */
206 struct cleanup
*next
;
207 void (*function
) (PTR
);
212 /* The ability to declare that a function never returns is useful, but
213 not really required to compile GDB successfully, so the NORETURN and
214 ATTR_NORETURN macros normally expand into nothing. */
216 /* If compiling with older versions of GCC, a function may be declared
217 "volatile" to indicate that it does not return. */
220 #if defined(__GNUC__) \
221 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
222 #define NORETURN volatile
224 #define NORETURN /* nothing */
228 /* GCC 2.5 and later versions define a function attribute "noreturn",
229 which is the preferred way to declare that a function never returns.
230 However GCC 2.7 appears to be the first version in which this fully
231 works everywhere we use it. */
233 #ifndef ATTR_NORETURN
234 #if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 7
235 #define ATTR_NORETURN __attribute__ ((noreturn))
237 #define ATTR_NORETURN /* nothing */
242 #if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 4
243 #define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
245 #define ATTR_FORMAT(type, x, y) /* nothing */
249 /* Needed for various prototypes */
254 /* From blockframe.c */
256 extern int inside_entry_func (CORE_ADDR
);
258 extern int inside_entry_file (CORE_ADDR addr
);
260 extern int inside_main_func (CORE_ADDR pc
);
262 /* From ch-lang.c, for the moment. (FIXME) */
264 extern char *chill_demangle (const char *);
268 extern void initialize_utils (void);
270 extern void notice_quit (void);
272 extern int strcmp_iw (const char *, const char *);
274 extern int subset_compare (char *, char *);
276 extern char *safe_strerror (int);
278 extern char *safe_strsignal (int);
280 extern void init_malloc (void *);
282 extern void request_quit (int);
284 extern void do_cleanups (struct cleanup
*);
285 extern void do_final_cleanups (struct cleanup
*);
286 extern void do_my_cleanups (struct cleanup
**, struct cleanup
*);
287 extern void do_run_cleanups (struct cleanup
*);
288 extern void do_exec_cleanups (struct cleanup
*);
289 extern void do_exec_error_cleanups (struct cleanup
*);
291 extern void discard_cleanups (struct cleanup
*);
292 extern void discard_final_cleanups (struct cleanup
*);
293 extern void discard_exec_error_cleanups (struct cleanup
*);
294 extern void discard_my_cleanups (struct cleanup
**, struct cleanup
*);
296 /* DEPRECATED: cagney/2000-03-04: Do not use this typedef to cast
297 function pointers so that they match the argument to the various
298 cleanup functions. Post GDB 5.0, this typedef will be
299 deleted. [Editors note: cagney was the person that added most of
301 typedef void (*make_cleanup_func
) (void *);
303 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
304 make_cleanup function declarations below. Do not use this typedef
305 as a cast when passing functions into the make_cleanup() code.
306 Instead either use a bounce function or add a wrapper function.
307 Calling a f(char*) function with f(void*) is non-portable. */
308 typedef void (make_cleanup_ftype
) (void *);
310 extern struct cleanup
*make_cleanup (make_cleanup_ftype
*, void *);
312 extern struct cleanup
*make_cleanup_freeargv (char **);
315 extern struct cleanup
*make_cleanup_ui_file_delete (struct ui_file
*);
317 extern struct cleanup
*make_final_cleanup (make_cleanup_ftype
*, void *);
319 extern struct cleanup
*make_my_cleanup (struct cleanup
**,
320 make_cleanup_ftype
*, void *);
322 extern struct cleanup
*make_run_cleanup (make_cleanup_ftype
*, void *);
324 extern struct cleanup
*make_exec_cleanup (make_cleanup_ftype
*, void *);
325 extern struct cleanup
*make_exec_error_cleanup (make_cleanup_ftype
*, void *);
327 extern struct cleanup
*save_cleanups (void);
328 extern struct cleanup
*save_final_cleanups (void);
329 extern struct cleanup
*save_my_cleanups (struct cleanup
**);
331 extern void restore_cleanups (struct cleanup
*);
332 extern void restore_final_cleanups (struct cleanup
*);
333 extern void restore_my_cleanups (struct cleanup
**, struct cleanup
*);
335 extern void free_current_contents (char **);
337 extern void null_cleanup (void *);
339 extern int myread (int, char *, int);
341 extern int query (char *, ...) ATTR_FORMAT (printf
, 1, 2);
343 #if !defined (USE_MMALLOC)
344 /* NOTE: cagney/2000-03-04: The mmalloc functions need to use PTR
345 rather than void* so that they are consistent with
346 ../mmalloc/mmalloc.h. */
347 extern PTR
mcalloc (PTR
, size_t, size_t);
348 extern PTR
mmalloc (PTR
, size_t);
349 extern PTR
mrealloc (PTR
, PTR
, size_t);
350 extern void mfree (PTR
, PTR
);
353 extern void init_page_info (void);
355 /* From demangle.c */
357 extern void set_demangling_style (char *);
362 typedef int (use_struct_convention_fn
) (int gcc_p
, struct type
* value_type
);
363 extern use_struct_convention_fn generic_use_struct_convention
;
365 typedef unsigned char *(breakpoint_from_pc_fn
) (CORE_ADDR
* pcptr
, int *lenptr
);
367 /* Annotation stuff. */
369 extern int annotation_level
; /* in stack.c */
371 extern void begin_line (void);
373 extern void wrap_here (char *);
375 extern void reinitialize_more_filter (void);
378 extern struct ui_file
*gdb_stdout
;
379 /* Serious error notifications */
380 extern struct ui_file
*gdb_stderr
;
381 /* Log/debug/trace messages that should bypass normal stdout/stderr
382 filtering. For momement, always call this stream using
383 *_unfiltered. In the very near future that restriction shall be
384 removed - either call shall be unfiltered. (cagney 1999-06-13). */
385 extern struct ui_file
*gdb_stdlog
;
386 /* Target output that should bypass normal stdout/stderr filtering.
387 For momement, always call this stream using *_unfiltered. In the
388 very near future that restriction shall be removed - either call
389 shall be unfiltered. (cagney 1999-07-02). */
390 extern struct ui_file
*gdb_stdtarg
;
394 #include "tuiCommand.h"
397 #include "tuiLayout.h"
403 /* More generic printf like operations */
405 extern void fputs_filtered (const char *, struct ui_file
*);
407 extern void fputs_unfiltered (const char *, struct ui_file
*);
409 extern int fputc_filtered (int c
, struct ui_file
*);
411 extern int fputc_unfiltered (int c
, struct ui_file
*);
413 extern int putchar_unfiltered (int c
);
415 extern void puts_filtered (const char *);
417 extern void puts_unfiltered (const char *);
419 extern void puts_debug (char *prefix
, char *string
, char *suffix
);
421 extern void vprintf_filtered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
423 extern void vfprintf_filtered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
425 extern void fprintf_filtered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
427 extern void fprintfi_filtered (int, struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 3, 4);
429 extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
431 extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
433 extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
435 extern void vfprintf_unfiltered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
437 extern void fprintf_unfiltered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
439 extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
441 extern void print_spaces (int, struct ui_file
*);
443 extern void print_spaces_filtered (int, struct ui_file
*);
445 extern char *n_spaces (int);
447 extern void fputstr_filtered (const char *str
, int quotr
, struct ui_file
* stream
);
449 extern void fputstr_unfiltered (const char *str
, int quotr
, struct ui_file
* stream
);
451 extern void fputstrn_unfiltered (const char *str
, int n
, int quotr
, struct ui_file
* stream
);
453 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
454 extern void gdb_print_host_address (void *addr
, struct ui_file
*stream
);
456 /* Convert a CORE_ADDR into a HEX string. paddr() is like %08lx.
457 paddr_nz() is like %lx. paddr_u() is like %lu. paddr_width() is
459 extern int strlen_paddr (void);
460 extern char *paddr (CORE_ADDR addr
);
461 extern char *paddr_nz (CORE_ADDR addr
);
462 extern char *paddr_u (CORE_ADDR addr
);
463 extern char *paddr_d (LONGEST addr
);
465 typedef bfd_vma t_reg
;
466 extern char *preg (t_reg reg
);
467 extern char *preg_nz (t_reg reg
);
469 extern void fprintf_symbol_filtered (struct ui_file
*, char *,
472 extern NORETURN
void perror_with_name (char *) ATTR_NORETURN
;
474 extern void print_sys_errmsg (char *, int);
476 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
477 "const char *" in unistd.h, so we can't declare the argument
480 extern char *re_comp (const char *);
484 extern void symbol_file_command (char *, int);
486 /* Remote targets may wish to use this as their load function. */
487 extern void generic_load (char *name
, int from_tty
);
489 /* Summarise a download */
490 extern void print_transfer_performance (struct ui_file
*stream
,
491 unsigned long data_count
,
492 unsigned long write_count
,
493 unsigned long time_count
);
497 typedef void initialize_file_ftype (void);
499 extern char *skip_quoted (char *);
501 extern char *gdb_readline (char *);
503 extern char *command_line_input (char *, int, char *);
505 extern void print_prompt (void);
507 extern int input_from_terminal_p (void);
509 extern int info_verbose
;
511 /* From printcmd.c */
513 extern void set_next_address (CORE_ADDR
);
515 extern void print_address_symbolic (CORE_ADDR
, struct ui_file
*, int,
518 extern int build_address_symbolic (CORE_ADDR addr
,
526 extern void print_address_numeric (CORE_ADDR
, int, struct ui_file
*);
528 extern void print_address (CORE_ADDR
, struct ui_file
*);
532 extern int openp (char *, int, char *, int, int, char **);
534 extern int source_full_path_of (char *, char **);
536 extern void mod_path (char *, char **);
538 extern void directory_command (char *, int);
540 extern void init_source_path (void);
542 extern char *symtab_to_filename (struct symtab
*);
546 extern void exec_set_section_offsets (bfd_signed_vma text_off
,
547 bfd_signed_vma data_off
,
548 bfd_signed_vma bss_off
);
552 extern int read_relative_register_raw_bytes (int, char *);
554 /* Possible lvalue types. Like enum language, this should be in
555 value.h, but needs to be here for the same reason. */
561 /* In memory. Could be a saved register. */
565 /* In a gdb internal variable. */
567 /* Part of a gdb internal variable (structure field). */
568 lval_internalvar_component
,
569 /* In a register series in a frame not the current one, which may have been
570 partially saved or saved in different places (otherwise would be
571 lval_register or lval_memory). */
572 lval_reg_frame_relative
577 void default_get_saved_register (char *raw_buffer
, int *optimized
,
579 struct frame_info
*frame
, int regnum
,
580 enum lval_type
*lval
);
582 /* From readline (but not in any readline .h files). */
584 extern char *tilde_expand (char *);
586 /* Control types for commands */
588 enum misc_command_type
596 enum command_control_type
606 /* Structure for saved commands lines
607 (for breakpoints, defined commands, etc). */
611 struct command_line
*next
;
613 enum command_control_type control_type
;
615 struct command_line
**body_list
;
618 extern struct command_line
*read_command_lines (char *, int);
620 extern void free_command_lines (struct command_line
**);
622 /* To continue the execution commands when running gdb asynchronously.
623 A continuation structure contains a pointer to a function to be called
624 to finish the command, once the target has stopped. Such mechanism is
625 used bt the finish and until commands, and in the remote protocol
626 when opening an extended-remote connection. */
628 struct continuation_arg
630 struct continuation_arg
*next
;
636 void (*continuation_hook
) (struct continuation_arg
*);
637 struct continuation_arg
*arg_list
;
638 struct continuation
*next
;
640 struct continuation continuation
;
643 extern struct continuation
*cmd_continuation
;
644 /* Used only by the step_1 function. */
645 extern struct continuation
*intermediate_continuation
;
648 extern void add_continuation (void (*)(struct continuation_arg
*),
649 struct continuation_arg
*);
650 extern void do_all_continuations (void);
651 extern void discard_all_continuations (void);
653 extern void add_intermediate_continuation (void (*)(struct continuation_arg
*),
654 struct continuation_arg
*);
655 extern void do_all_intermediate_continuations (void);
656 extern void discard_all_intermediate_continuations (void);
658 /* String containing the current directory (what getwd would return). */
660 extern char *current_directory
;
662 /* Default radixes for input and output. Only some values supported. */
663 extern unsigned input_radix
;
664 extern unsigned output_radix
;
666 /* Possibilities for prettyprint parameters to routines which print
667 things. Like enum language, this should be in value.h, but needs
668 to be here for the same reason. FIXME: If we can eliminate this
669 as an arg to LA_VAL_PRINT, then we can probably move it back to
674 Val_no_prettyprint
= 0,
676 /* Use the default setting which the user has specified. */
681 /* Host machine definition. This will be a symlink to one of the
682 xm-*.h files, built by the `configure' script. */
686 /* Native machine support. This will be a symlink to one of the
687 nm-*.h files, built by the `configure' script. */
691 /* Target machine definition. This will be a symlink to one of the
692 tm-*.h files, built by the `configure' script. */
696 /* If the xm.h file did not define the mode string used to open the
697 files, assume that binary files are opened the same way as text
700 #include "fopen-same.h"
703 /* Microsoft C can't deal with const pointers */
708 #define CONST_PTR const
712 * Allow things in gdb to be declared "volatile". If compiling ANSI, it
713 * just works. If compiling with gcc but non-ansi, redefine to __volatile__.
714 * If non-ansi, non-gcc, then eliminate "volatile" entirely, making those
715 * objects be read-write rather than read-only.
721 #define volatile __volatile__
723 #define volatile /* nothing */
726 #endif /* volatile */
728 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
729 FIXME: Assumes 2's complement arithmetic */
731 #if !defined (UINT_MAX)
732 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
735 #if !defined (INT_MAX)
736 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
739 #if !defined (INT_MIN)
740 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
743 #if !defined (ULONG_MAX)
744 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
747 #if !defined (LONG_MAX)
748 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
751 #if !defined (ULONGEST_MAX)
752 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 32-bits */
755 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 32-bits */
756 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
759 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
760 arguments to a function, number in a value history, register number, etc.)
761 where the value must not be larger than can fit in an int. */
763 extern int longest_to_int (LONGEST
);
765 /* Assorted functions we can declare, now that const and volatile are
768 extern char *savestring (const char *, int);
770 extern char *msavestring (void *, const char *, int);
772 extern char *strsave (const char *);
774 extern char *mstrsave (void *, const char *);
776 /* FIXME; was long, but this causes compile errors in msvc if already
779 extern PTR
xmmalloc (PTR
, size_t);
780 extern PTR
xmrealloc (PTR
, PTR
, size_t);
782 extern PTR
xmmalloc (PTR
, long);
783 extern PTR
xmrealloc (PTR
, PTR
, long);
786 extern int parse_escape (char **);
788 /* Message to be printed before the error message, when an error occurs. */
790 extern char *error_pre_print
;
792 /* Message to be printed before the error message, when an error occurs. */
794 extern char *quit_pre_print
;
796 /* Message to be printed before the warning message, when a warning occurs. */
798 extern char *warning_pre_print
;
800 extern NORETURN
void verror (const char *fmt
, va_list ap
) ATTR_NORETURN
;
802 extern NORETURN
void error (const char *fmt
, ...) ATTR_NORETURN
;
804 /* DEPRECATED: Use error(), verror() or error_stream(). */
805 extern NORETURN
void error_begin (void);
807 extern NORETURN
void error_stream (struct ui_file
*) ATTR_NORETURN
;
809 /* Returns a freshly allocate buffer containing the last error
811 extern char *error_last_message (void);
813 extern NORETURN
void internal_verror (const char *, va_list ap
) ATTR_NORETURN
;
815 extern NORETURN
void internal_error (char *, ...) ATTR_NORETURN
;
817 extern NORETURN
void nomem (long) ATTR_NORETURN
;
819 /* Reasons for calling return_to_top_level. Note: enum value 0 is
820 reserved for internal use as the return value from an initial
825 /* User interrupt. */
827 /* Any other error. */
831 #define ALL_CLEANUPS ((struct cleanup *)0)
833 #define RETURN_MASK(reason) (1 << (int)(reason))
834 #define RETURN_MASK_QUIT RETURN_MASK (RETURN_QUIT)
835 #define RETURN_MASK_ERROR RETURN_MASK (RETURN_ERROR)
836 #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
837 typedef int return_mask
;
839 extern NORETURN
void return_to_top_level (enum return_reason
) ATTR_NORETURN
;
841 /* If CATCH_ERRORS_FTYPE throws an error, catch_errors() returns zero
842 otherwize the result from CATCH_ERRORS_FTYPE is returned. It is
843 probably useful for CATCH_ERRORS_FTYPE to always return a non-zero
844 value. It's unfortunate that, catch_errors() does not return an
845 indication of the exact exception that it caught - quit_flag might
848 typedef int (catch_errors_ftype
) (PTR
);
849 extern int catch_errors (catch_errors_ftype
*, PTR
, char *, return_mask
);
851 /* Template to catch_errors() that wraps calls to command
854 typedef void (catch_command_errors_ftype
) (char *, int);
855 extern int catch_command_errors (catch_command_errors_ftype
*func
, char *command
, int from_tty
, return_mask
);
857 extern void warning_begin (void);
859 extern void warning (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
861 /* Global functions from other, non-gdb GNU thingies.
862 Libiberty thingies are no longer declared here. We include libiberty.h
865 #ifndef GETENV_PROVIDED
866 extern char *getenv (const char *);
869 /* From other system libraries */
876 #if defined(_MSC_VER) && !defined(__cplusplus)
877 /* msvc defines these in stdlib.h for c code */
884 #define min(a, b) ((a) < (b) ? (a) : (b))
887 #define max(a, b) ((a) > (b) ? (a) : (b))
891 /* We take the address of fclose later, but some stdio's forget
892 to declare this. We can't always declare it since there's
893 no way to declare the parameters without upsetting some compiler
896 #ifndef FCLOSE_PROVIDED
897 extern int fclose (FILE *);
901 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
904 #ifndef MALLOC_INCOMPATIBLE
906 #ifdef NEED_DECLARATION_MALLOC
907 extern PTR
malloc ();
910 #ifdef NEED_DECLARATION_REALLOC
911 extern PTR
realloc ();
914 #ifdef NEED_DECLARATION_FREE
918 #endif /* MALLOC_INCOMPATIBLE */
920 /* Various possibilities for alloca. */
923 #define alloca __builtin_alloca
924 #else /* Not GNU C */
932 /* We need to be careful not to declare this in a way which conflicts with
933 bison. Bison never declares it as char *, but under various circumstances
934 (like __hpux) we need to use void *. */
935 #if defined (__STDC__) || defined (__hpux)
936 extern void *alloca ();
937 #else /* Don't use void *. */
938 extern char *alloca ();
939 #endif /* Don't use void *. */
940 #endif /* Not _AIX */
941 #endif /* Not HAVE_ALLOCA_H */
942 #endif /* Not GNU C */
943 #endif /* alloca not defined */
945 /* HOST_BYTE_ORDER must be defined to one of these. */
951 #if !defined (BIG_ENDIAN)
952 #define BIG_ENDIAN 4321
955 #if !defined (LITTLE_ENDIAN)
956 #define LITTLE_ENDIAN 1234
959 /* Dynamic target-system-dependent parameters for GDB. */
962 /* Static target-system-dependent parameters for GDB. */
964 /* Number of bits in a char or unsigned char for the target machine.
965 Just like CHAR_BIT in <limits.h> but describes the target machine. */
966 #if !defined (TARGET_CHAR_BIT)
967 #define TARGET_CHAR_BIT 8
970 /* Number of bits in a short or unsigned short for the target machine. */
971 #if !defined (TARGET_SHORT_BIT)
972 #define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT)
975 /* Number of bits in an int or unsigned int for the target machine. */
976 #if !defined (TARGET_INT_BIT)
977 #define TARGET_INT_BIT (4 * TARGET_CHAR_BIT)
980 /* Number of bits in a long or unsigned long for the target machine. */
981 #if !defined (TARGET_LONG_BIT)
982 #define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT)
985 /* Number of bits in a long long or unsigned long long for the target machine. */
986 #if !defined (TARGET_LONG_LONG_BIT)
987 #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT)
990 /* Number of bits in a float for the target machine. */
991 #if !defined (TARGET_FLOAT_BIT)
992 #define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT)
995 /* Number of bits in a double for the target machine. */
996 #if !defined (TARGET_DOUBLE_BIT)
997 #define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT)
1000 /* Number of bits in a long double for the target machine. */
1001 #if !defined (TARGET_LONG_DOUBLE_BIT)
1002 #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT)
1005 /* Number of bits in a pointer for the target machine */
1006 #if !defined (TARGET_PTR_BIT)
1007 #define TARGET_PTR_BIT TARGET_INT_BIT
1010 /* Number of bits in a BFD_VMA for the target object file format. */
1011 #if !defined (TARGET_BFD_VMA_BIT)
1012 #define TARGET_BFD_VMA_BIT TARGET_PTR_BIT
1015 /* If we picked up a copy of CHAR_BIT from a configuration file
1016 (which may get it by including <limits.h>) then use it to set
1017 the number of bits in a host char. If not, use the same size
1020 #if defined (CHAR_BIT)
1021 #define HOST_CHAR_BIT CHAR_BIT
1023 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1026 /* The bit byte-order has to do just with numbering of bits in
1027 debugging symbols and such. Conceptually, it's quite separate
1028 from byte/word byte order. */
1030 #if !defined (BITS_BIG_ENDIAN)
1031 #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN)
1036 extern LONGEST
extract_signed_integer (void *, int);
1038 extern ULONGEST
extract_unsigned_integer (void *, int);
1040 extern int extract_long_unsigned_integer (void *, int, LONGEST
*);
1042 extern CORE_ADDR
extract_address (void *, int);
1044 extern void store_signed_integer (void *, int, LONGEST
);
1046 extern void store_unsigned_integer (void *, int, ULONGEST
);
1048 extern void store_address (void *, int, LONGEST
);
1050 /* Setup definitions for host and target floating point formats. We need to
1051 consider the format for `float', `double', and `long double' for both target
1052 and host. We need to do this so that we know what kind of conversions need
1053 to be done when converting target numbers to and from the hosts DOUBLEST
1056 /* This is used to indicate that we don't know the format of the floating point
1057 number. Typically, this is useful for native ports, where the actual format
1058 is irrelevant, since no conversions will be taking place. */
1060 extern const struct floatformat floatformat_unknown
;
1062 #if HOST_BYTE_ORDER == BIG_ENDIAN
1063 #ifndef HOST_FLOAT_FORMAT
1064 #define HOST_FLOAT_FORMAT &floatformat_ieee_single_big
1066 #ifndef HOST_DOUBLE_FORMAT
1067 #define HOST_DOUBLE_FORMAT &floatformat_ieee_double_big
1069 #else /* LITTLE_ENDIAN */
1070 #ifndef HOST_FLOAT_FORMAT
1071 #define HOST_FLOAT_FORMAT &floatformat_ieee_single_little
1073 #ifndef HOST_DOUBLE_FORMAT
1074 #define HOST_DOUBLE_FORMAT &floatformat_ieee_double_little
1078 #ifndef HOST_LONG_DOUBLE_FORMAT
1079 #define HOST_LONG_DOUBLE_FORMAT &floatformat_unknown
1082 #ifndef TARGET_FLOAT_FORMAT
1083 #define TARGET_FLOAT_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \
1084 ? &floatformat_ieee_single_big \
1085 : &floatformat_ieee_single_little)
1087 #ifndef TARGET_DOUBLE_FORMAT
1088 #define TARGET_DOUBLE_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \
1089 ? &floatformat_ieee_double_big \
1090 : &floatformat_ieee_double_little)
1093 #ifndef TARGET_LONG_DOUBLE_FORMAT
1094 #define TARGET_LONG_DOUBLE_FORMAT &floatformat_unknown
1097 /* Use `long double' if the host compiler supports it. (Note that this is not
1098 necessarily any longer than `double'. On SunOS/gcc, it's the same as
1099 double.) This is necessary because GDB internally converts all floating
1100 point values to the widest type supported by the host.
1102 There are problems however, when the target `long double' is longer than the
1103 host's `long double'. In general, we'll probably reduce the precision of
1104 any such values and print a warning. */
1106 #ifdef HAVE_LONG_DOUBLE
1107 typedef long double DOUBLEST
;
1109 typedef double DOUBLEST
;
1112 extern void floatformat_to_doublest (const struct floatformat
*,
1113 char *, DOUBLEST
*);
1114 extern void floatformat_from_doublest (const struct floatformat
*,
1115 DOUBLEST
*, char *);
1116 extern DOUBLEST
extract_floating (void *, int);
1118 extern void store_floating (void *, int, DOUBLEST
);
1120 /* On some machines there are bits in addresses which are not really
1121 part of the address, but are used by the kernel, the hardware, etc.
1122 for special purposes. ADDR_BITS_REMOVE takes out any such bits
1123 so we get a "real" address such as one would find in a symbol
1124 table. This is used only for addresses of instructions, and even then
1125 I'm not sure it's used in all contexts. It exists to deal with there
1126 being a few stray bits in the PC which would mislead us, not as some sort
1127 of generic thing to handle alignment or segmentation (it's possible it
1128 should be in TARGET_READ_PC instead). */
1129 #if !defined (ADDR_BITS_REMOVE)
1130 #define ADDR_BITS_REMOVE(addr) (addr)
1131 #endif /* No ADDR_BITS_REMOVE. */
1135 extern CORE_ADDR
push_bytes (CORE_ADDR
, char *, int);
1137 extern CORE_ADDR
push_word (CORE_ADDR
, ULONGEST
);
1139 extern int watchdog
;
1141 /* Hooks for alternate command interfaces. */
1144 /* The name of the interpreter if specified on the command line. */
1145 extern char *interpreter_p
;
1148 /* If a given interpreter matches INTERPRETER_P then it should update
1149 command_loop_hook and init_ui_hook with the per-interpreter
1151 /* FIXME: command_loop_hook and init_ui_hook should be moved here. */
1153 struct target_waitstatus
;
1154 struct cmd_list_element
;
1156 /* Should the asynchronous variant of the interpreter (using the
1157 event-loop) be enabled? */
1158 extern int event_loop_p
;
1160 extern void (*init_ui_hook
) (char *argv0
);
1161 extern void (*command_loop_hook
) (void);
1162 extern void (*show_load_progress
) (const char *section
,
1163 unsigned long section_sent
,
1164 unsigned long section_size
,
1165 unsigned long total_sent
,
1166 unsigned long total_size
);
1167 extern void (*print_frame_info_listing_hook
) (struct symtab
* s
,
1168 int line
, int stopline
,
1170 extern struct frame_info
*parse_frame_specification (char *frame_exp
);
1171 extern int (*query_hook
) (const char *, va_list);
1172 extern void (*warning_hook
) (const char *, va_list);
1173 extern void (*flush_hook
) (struct ui_file
* stream
);
1174 extern void (*create_breakpoint_hook
) (struct breakpoint
* b
);
1175 extern void (*delete_breakpoint_hook
) (struct breakpoint
* bpt
);
1176 extern void (*modify_breakpoint_hook
) (struct breakpoint
* bpt
);
1177 extern void (*interactive_hook
) (void);
1178 extern void (*registers_changed_hook
) (void);
1179 extern void (*readline_begin_hook
) (char *,...);
1180 extern char *(*readline_hook
) (char *);
1181 extern void (*readline_end_hook
) (void);
1182 extern void (*register_changed_hook
) (int regno
);
1183 extern void (*memory_changed_hook
) (CORE_ADDR addr
, int len
);
1184 extern void (*context_hook
) (int);
1185 extern int (*target_wait_hook
) (int pid
, struct target_waitstatus
* status
);
1187 extern void (*attach_hook
) (void);
1188 extern void (*detach_hook
) (void);
1189 extern void (*call_command_hook
) (struct cmd_list_element
* c
,
1190 char *cmd
, int from_tty
);
1192 extern void (*set_hook
) (struct cmd_list_element
* c
);
1194 extern NORETURN
void (*error_hook
) (void) ATTR_NORETURN
;
1196 extern void (*error_begin_hook
) (void);
1198 extern int (*ui_load_progress_hook
) (const char *section
, unsigned long num
);
1201 /* Inhibit window interface if non-zero. */
1203 extern int use_windows
;
1205 /* Symbolic definitions of filename-related things. */
1206 /* FIXME, this doesn't work very well if host and executable
1207 filesystems conventions are different. */
1209 #ifndef DIRNAME_SEPARATOR
1210 #define DIRNAME_SEPARATOR ':'
1214 #if defined(__GO32__)||defined(_WIN32)
1215 #define SLASH_P(X) ((X)=='\\')
1217 #define SLASH_P(X) ((X)=='/')
1222 #if defined(__GO32__)||defined(_WIN32)
1223 #define SLASH_CHAR '\\'
1225 #define SLASH_CHAR '/'
1229 #ifndef SLASH_STRING
1230 #if defined(__GO32__)||defined(_WIN32)
1231 #define SLASH_STRING "\\"
1233 #define SLASH_STRING "/"
1238 #define ROOTED_P(X) (SLASH_P((X)[0]))
1241 /* On some systems, PIDGET is defined to extract the inferior pid from
1242 an internal pid that has the thread id and pid in seperate bit
1243 fields. If not defined, then just use the entire internal pid as
1247 #define PIDGET(PID) (PID)
1248 #define TIDGET(PID) 0
1249 #define MERGEPID(PID, TID) (PID)
1252 /* If under Cygwin, provide backwards compatibility with older
1253 Cygwin compilers that don't define the current cpp define. */
1260 /* Define well known filenos if the system does not define them. */
1261 #ifndef STDIN_FILENO
1262 #define STDIN_FILENO 0
1264 #ifndef STDOUT_FILENO
1265 #define STDOUT_FILENO 1
1267 #ifndef STDERR_FILENO
1268 #define STDERR_FILENO 2
1271 /* If this definition isn't overridden by the header files, assume
1272 that isatty and fileno exist on this system. */
1274 #define ISATTY(FP) (isatty (fileno (FP)))
1278 /* FIXME: cagney/1999-12-13: The following will be moved to gdb.h /
1279 libgdb.h or gdblib.h. */
1281 /* Return-code (RC) from a gdb library call. (The abreviation RC is
1282 taken from the sim/common directory.) */
1285 /* The operation failed. The failure message can be fetched by
1286 calling ``char *error_last_message(void)''. The value is
1287 determined by the catch_errors() interface. */
1288 /* NOTE: Since ``defs.h:catch_errors()'' does not return an error /
1289 internal / quit indication it is not possible to return that
1292 /* No error occured but nothing happened. Due to the catch_errors()
1293 interface, this must be non-zero. */
1295 /* The operation was successful. Due to the catch_errors()
1296 interface, this must be non-zero. */
1301 /* Print the specified breakpoint on GDB_STDOUT. (Eventually this
1302 function will ``print'' the object on ``output''). */
1303 enum gdb_rc
gdb_breakpoint_query (/* struct {ui,gdb}_out *output, */ int bnum
);
1305 /* Create a breakpoint at ADDRESS (a GDB source and line). */
1306 enum gdb_rc
gdb_breakpoint (char *address
, char *condition
,
1307 int hardwareflag
, int tempflag
,
1308 int thread
, int ignore_count
);
1309 enum gdb_rc
gdb_thread_select (/* output object */ char *tidstr
);
1312 /* Print a list of known thread ids. */
1313 enum gdb_rc
gdb_list_thread_ids (/* output object */);
1315 /* Switch thread and print notification. */
1317 #endif /* #ifndef DEFS_H */