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 (PTR
);
339 extern int myread (int, char *, int);
341 extern int query (char *, ...) ATTR_FORMAT (printf
, 1, 2);
343 #if !defined (USE_MMALLOC)
344 extern PTR
mcalloc (void *, size_t, size_t);
345 extern PTR
mmalloc (PTR
, size_t);
346 extern PTR
mrealloc (PTR
, PTR
, size_t);
347 extern void mfree (PTR
, PTR
);
350 extern void init_page_info (void);
352 /* From demangle.c */
354 extern void set_demangling_style (char *);
359 typedef int (use_struct_convention_fn
) (int gcc_p
, struct type
* value_type
);
360 extern use_struct_convention_fn generic_use_struct_convention
;
362 typedef unsigned char *(breakpoint_from_pc_fn
) (CORE_ADDR
* pcptr
, int *lenptr
);
364 /* Annotation stuff. */
366 extern int annotation_level
; /* in stack.c */
368 extern void begin_line (void);
370 extern void wrap_here (char *);
372 extern void reinitialize_more_filter (void);
375 extern struct ui_file
*gdb_stdout
;
376 /* Serious error notifications */
377 extern struct ui_file
*gdb_stderr
;
378 /* Log/debug/trace messages that should bypass normal stdout/stderr
379 filtering. For momement, always call this stream using
380 *_unfiltered. In the very near future that restriction shall be
381 removed - either call shall be unfiltered. (cagney 1999-06-13). */
382 extern struct ui_file
*gdb_stdlog
;
383 /* Target output that should bypass normal stdout/stderr filtering.
384 For momement, always call this stream using *_unfiltered. In the
385 very near future that restriction shall be removed - either call
386 shall be unfiltered. (cagney 1999-07-02). */
387 extern struct ui_file
*gdb_stdtarg
;
391 #include "tuiCommand.h"
394 #include "tuiLayout.h"
400 /* More generic printf like operations */
402 extern void fputs_filtered (const char *, struct ui_file
*);
404 extern void fputs_unfiltered (const char *, struct ui_file
*);
406 extern int fputc_filtered (int c
, struct ui_file
*);
408 extern int fputc_unfiltered (int c
, struct ui_file
*);
410 extern int putchar_unfiltered (int c
);
412 extern void puts_filtered (const char *);
414 extern void puts_unfiltered (const char *);
416 extern void puts_debug (char *prefix
, char *string
, char *suffix
);
418 extern void vprintf_filtered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
420 extern void vfprintf_filtered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
422 extern void fprintf_filtered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
424 extern void fprintfi_filtered (int, struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 3, 4);
426 extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
428 extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
430 extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
432 extern void vfprintf_unfiltered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
434 extern void fprintf_unfiltered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
436 extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
438 extern void print_spaces (int, struct ui_file
*);
440 extern void print_spaces_filtered (int, struct ui_file
*);
442 extern char *n_spaces (int);
444 extern void fputstr_filtered (const char *str
, int quotr
, struct ui_file
* stream
);
446 extern void fputstr_unfiltered (const char *str
, int quotr
, struct ui_file
* stream
);
448 extern void fputstrn_unfiltered (const char *str
, int n
, int quotr
, struct ui_file
* stream
);
450 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
451 extern void gdb_print_host_address (void *addr
, struct ui_file
*stream
);
453 /* Convert a CORE_ADDR into a HEX string. paddr() is like %08lx.
454 paddr_nz() is like %lx. paddr_u() is like %lu. paddr_width() is
456 extern int strlen_paddr (void);
457 extern char *paddr (CORE_ADDR addr
);
458 extern char *paddr_nz (CORE_ADDR addr
);
459 extern char *paddr_u (CORE_ADDR addr
);
460 extern char *paddr_d (LONGEST addr
);
462 typedef bfd_vma t_reg
;
463 extern char *preg (t_reg reg
);
464 extern char *preg_nz (t_reg reg
);
466 extern void fprintf_symbol_filtered (struct ui_file
*, char *,
469 extern NORETURN
void perror_with_name (char *) ATTR_NORETURN
;
471 extern void print_sys_errmsg (char *, int);
473 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
474 "const char *" in unistd.h, so we can't declare the argument
477 extern char *re_comp (const char *);
481 extern void symbol_file_command (char *, int);
483 /* Remote targets may wish to use this as their load function. */
484 extern void generic_load (char *name
, int from_tty
);
486 /* Summarise a download */
487 extern void print_transfer_performance (struct ui_file
*stream
,
488 unsigned long data_count
,
489 unsigned long write_count
,
490 unsigned long time_count
);
494 typedef void initialize_file_ftype (void);
496 extern char *skip_quoted (char *);
498 extern char *gdb_readline (char *);
500 extern char *command_line_input (char *, int, char *);
502 extern void print_prompt (void);
504 extern int input_from_terminal_p (void);
506 extern int info_verbose
;
508 /* From printcmd.c */
510 extern void set_next_address (CORE_ADDR
);
512 extern void print_address_symbolic (CORE_ADDR
, struct ui_file
*, int,
515 extern int build_address_symbolic (CORE_ADDR addr
,
523 extern void print_address_numeric (CORE_ADDR
, int, struct ui_file
*);
525 extern void print_address (CORE_ADDR
, struct ui_file
*);
529 extern int openp (char *, int, char *, int, int, char **);
531 extern int source_full_path_of (char *, char **);
533 extern void mod_path (char *, char **);
535 extern void directory_command (char *, int);
537 extern void init_source_path (void);
539 extern char *symtab_to_filename (struct symtab
*);
543 extern void exec_set_section_offsets (bfd_signed_vma text_off
,
544 bfd_signed_vma data_off
,
545 bfd_signed_vma bss_off
);
549 extern int read_relative_register_raw_bytes (int, char *);
551 /* Possible lvalue types. Like enum language, this should be in
552 value.h, but needs to be here for the same reason. */
558 /* In memory. Could be a saved register. */
562 /* In a gdb internal variable. */
564 /* Part of a gdb internal variable (structure field). */
565 lval_internalvar_component
,
566 /* In a register series in a frame not the current one, which may have been
567 partially saved or saved in different places (otherwise would be
568 lval_register or lval_memory). */
569 lval_reg_frame_relative
574 void default_get_saved_register (char *raw_buffer
, int *optimized
,
576 struct frame_info
*frame
, int regnum
,
577 enum lval_type
*lval
);
579 /* From readline (but not in any readline .h files). */
581 extern char *tilde_expand (char *);
583 /* Control types for commands */
585 enum misc_command_type
593 enum command_control_type
603 /* Structure for saved commands lines
604 (for breakpoints, defined commands, etc). */
608 struct command_line
*next
;
610 enum command_control_type control_type
;
612 struct command_line
**body_list
;
615 extern struct command_line
*read_command_lines (char *, int);
617 extern void free_command_lines (struct command_line
**);
619 /* To continue the execution commands when running gdb asynchronously.
620 A continuation structure contains a pointer to a function to be called
621 to finish the command, once the target has stopped. Such mechanism is
622 used bt the finish and until commands, and in the remote protocol
623 when opening an extended-remote connection. */
625 struct continuation_arg
627 struct continuation_arg
*next
;
633 void (*continuation_hook
) (struct continuation_arg
*);
634 struct continuation_arg
*arg_list
;
635 struct continuation
*next
;
637 struct continuation continuation
;
640 extern struct continuation
*cmd_continuation
;
641 /* Used only by the step_1 function. */
642 extern struct continuation
*intermediate_continuation
;
645 extern void add_continuation (void (*)(struct continuation_arg
*),
646 struct continuation_arg
*);
647 extern void do_all_continuations (void);
648 extern void discard_all_continuations (void);
650 extern void add_intermediate_continuation (void (*)(struct continuation_arg
*),
651 struct continuation_arg
*);
652 extern void do_all_intermediate_continuations (void);
653 extern void discard_all_intermediate_continuations (void);
655 /* String containing the current directory (what getwd would return). */
657 extern char *current_directory
;
659 /* Default radixes for input and output. Only some values supported. */
660 extern unsigned input_radix
;
661 extern unsigned output_radix
;
663 /* Possibilities for prettyprint parameters to routines which print
664 things. Like enum language, this should be in value.h, but needs
665 to be here for the same reason. FIXME: If we can eliminate this
666 as an arg to LA_VAL_PRINT, then we can probably move it back to
671 Val_no_prettyprint
= 0,
673 /* Use the default setting which the user has specified. */
678 /* Host machine definition. This will be a symlink to one of the
679 xm-*.h files, built by the `configure' script. */
683 /* Native machine support. This will be a symlink to one of the
684 nm-*.h files, built by the `configure' script. */
688 /* Target machine definition. This will be a symlink to one of the
689 tm-*.h files, built by the `configure' script. */
693 /* If the xm.h file did not define the mode string used to open the
694 files, assume that binary files are opened the same way as text
697 #include "fopen-same.h"
700 /* Microsoft C can't deal with const pointers */
705 #define CONST_PTR const
709 * Allow things in gdb to be declared "volatile". If compiling ANSI, it
710 * just works. If compiling with gcc but non-ansi, redefine to __volatile__.
711 * If non-ansi, non-gcc, then eliminate "volatile" entirely, making those
712 * objects be read-write rather than read-only.
718 #define volatile __volatile__
720 #define volatile /* nothing */
723 #endif /* volatile */
725 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
726 FIXME: Assumes 2's complement arithmetic */
728 #if !defined (UINT_MAX)
729 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
732 #if !defined (INT_MAX)
733 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
736 #if !defined (INT_MIN)
737 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
740 #if !defined (ULONG_MAX)
741 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
744 #if !defined (LONG_MAX)
745 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
748 #if !defined (ULONGEST_MAX)
749 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 32-bits */
752 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 32-bits */
753 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
756 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
757 arguments to a function, number in a value history, register number, etc.)
758 where the value must not be larger than can fit in an int. */
760 extern int longest_to_int (LONGEST
);
762 /* Assorted functions we can declare, now that const and volatile are
765 extern char *savestring (const char *, int);
767 extern char *msavestring (void *, const char *, int);
769 extern char *strsave (const char *);
771 extern char *mstrsave (void *, const char *);
773 /* FIXME; was long, but this causes compile errors in msvc if already
776 extern PTR
xmmalloc (PTR
, size_t);
777 extern PTR
xmrealloc (PTR
, PTR
, size_t);
779 extern PTR
xmmalloc (PTR
, long);
780 extern PTR
xmrealloc (PTR
, PTR
, long);
783 extern int parse_escape (char **);
785 /* Message to be printed before the error message, when an error occurs. */
787 extern char *error_pre_print
;
789 /* Message to be printed before the error message, when an error occurs. */
791 extern char *quit_pre_print
;
793 /* Message to be printed before the warning message, when a warning occurs. */
795 extern char *warning_pre_print
;
797 extern NORETURN
void verror (const char *fmt
, va_list ap
) ATTR_NORETURN
;
799 extern NORETURN
void error (const char *fmt
, ...) ATTR_NORETURN
;
801 /* DEPRECATED: Use error(), verror() or error_stream(). */
802 extern NORETURN
void error_begin (void);
804 extern NORETURN
void error_stream (struct ui_file
*) ATTR_NORETURN
;
806 /* Returns a freshly allocate buffer containing the last error
808 extern char *error_last_message (void);
810 extern NORETURN
void internal_verror (const char *, va_list ap
) ATTR_NORETURN
;
812 extern NORETURN
void internal_error (char *, ...) ATTR_NORETURN
;
814 extern NORETURN
void nomem (long) ATTR_NORETURN
;
816 /* Reasons for calling return_to_top_level. Note: enum value 0 is
817 reserved for internal use as the return value from an initial
822 /* User interrupt. */
824 /* Any other error. */
828 #define ALL_CLEANUPS ((struct cleanup *)0)
830 #define RETURN_MASK(reason) (1 << (int)(reason))
831 #define RETURN_MASK_QUIT RETURN_MASK (RETURN_QUIT)
832 #define RETURN_MASK_ERROR RETURN_MASK (RETURN_ERROR)
833 #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
834 typedef int return_mask
;
836 extern NORETURN
void return_to_top_level (enum return_reason
) ATTR_NORETURN
;
838 /* If CATCH_ERRORS_FTYPE throws an error, catch_errors() returns zero
839 otherwize the result from CATCH_ERRORS_FTYPE is returned. It is
840 probably useful for CATCH_ERRORS_FTYPE to always return a non-zero
841 value. It's unfortunate that, catch_errors() does not return an
842 indication of the exact exception that it caught - quit_flag might
845 typedef int (catch_errors_ftype
) (PTR
);
846 extern int catch_errors (catch_errors_ftype
*, PTR
, char *, return_mask
);
848 /* Template to catch_errors() that wraps calls to command
851 typedef void (catch_command_errors_ftype
) (char *, int);
852 extern int catch_command_errors (catch_command_errors_ftype
*func
, char *command
, int from_tty
, return_mask
);
854 extern void warning_begin (void);
856 extern void warning (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
858 /* Global functions from other, non-gdb GNU thingies.
859 Libiberty thingies are no longer declared here. We include libiberty.h
862 #ifndef GETENV_PROVIDED
863 extern char *getenv (const char *);
866 /* From other system libraries */
873 #if defined(_MSC_VER) && !defined(__cplusplus)
874 /* msvc defines these in stdlib.h for c code */
881 #define min(a, b) ((a) < (b) ? (a) : (b))
884 #define max(a, b) ((a) > (b) ? (a) : (b))
888 /* We take the address of fclose later, but some stdio's forget
889 to declare this. We can't always declare it since there's
890 no way to declare the parameters without upsetting some compiler
893 #ifndef FCLOSE_PROVIDED
894 extern int fclose (FILE *);
898 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
901 #ifndef MALLOC_INCOMPATIBLE
903 #ifdef NEED_DECLARATION_MALLOC
904 extern PTR
malloc ();
907 #ifdef NEED_DECLARATION_REALLOC
908 extern PTR
realloc ();
911 #ifdef NEED_DECLARATION_FREE
915 #endif /* MALLOC_INCOMPATIBLE */
917 /* Various possibilities for alloca. */
920 #define alloca __builtin_alloca
921 #else /* Not GNU C */
929 /* We need to be careful not to declare this in a way which conflicts with
930 bison. Bison never declares it as char *, but under various circumstances
931 (like __hpux) we need to use void *. */
932 #if defined (__STDC__) || defined (__hpux)
933 extern void *alloca ();
934 #else /* Don't use void *. */
935 extern char *alloca ();
936 #endif /* Don't use void *. */
937 #endif /* Not _AIX */
938 #endif /* Not HAVE_ALLOCA_H */
939 #endif /* Not GNU C */
940 #endif /* alloca not defined */
942 /* HOST_BYTE_ORDER must be defined to one of these. */
948 #if !defined (BIG_ENDIAN)
949 #define BIG_ENDIAN 4321
952 #if !defined (LITTLE_ENDIAN)
953 #define LITTLE_ENDIAN 1234
956 /* Dynamic target-system-dependent parameters for GDB. */
959 /* Static target-system-dependent parameters for GDB. */
961 /* Number of bits in a char or unsigned char for the target machine.
962 Just like CHAR_BIT in <limits.h> but describes the target machine. */
963 #if !defined (TARGET_CHAR_BIT)
964 #define TARGET_CHAR_BIT 8
967 /* Number of bits in a short or unsigned short for the target machine. */
968 #if !defined (TARGET_SHORT_BIT)
969 #define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT)
972 /* Number of bits in an int or unsigned int for the target machine. */
973 #if !defined (TARGET_INT_BIT)
974 #define TARGET_INT_BIT (4 * TARGET_CHAR_BIT)
977 /* Number of bits in a long or unsigned long for the target machine. */
978 #if !defined (TARGET_LONG_BIT)
979 #define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT)
982 /* Number of bits in a long long or unsigned long long for the target machine. */
983 #if !defined (TARGET_LONG_LONG_BIT)
984 #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT)
987 /* Number of bits in a float for the target machine. */
988 #if !defined (TARGET_FLOAT_BIT)
989 #define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT)
992 /* Number of bits in a double for the target machine. */
993 #if !defined (TARGET_DOUBLE_BIT)
994 #define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT)
997 /* Number of bits in a long double for the target machine. */
998 #if !defined (TARGET_LONG_DOUBLE_BIT)
999 #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT)
1002 /* Number of bits in a pointer for the target machine */
1003 #if !defined (TARGET_PTR_BIT)
1004 #define TARGET_PTR_BIT TARGET_INT_BIT
1007 /* Number of bits in a BFD_VMA for the target object file format. */
1008 #if !defined (TARGET_BFD_VMA_BIT)
1009 #define TARGET_BFD_VMA_BIT TARGET_PTR_BIT
1012 /* If we picked up a copy of CHAR_BIT from a configuration file
1013 (which may get it by including <limits.h>) then use it to set
1014 the number of bits in a host char. If not, use the same size
1017 #if defined (CHAR_BIT)
1018 #define HOST_CHAR_BIT CHAR_BIT
1020 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1023 /* The bit byte-order has to do just with numbering of bits in
1024 debugging symbols and such. Conceptually, it's quite separate
1025 from byte/word byte order. */
1027 #if !defined (BITS_BIG_ENDIAN)
1028 #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN)
1033 extern LONGEST
extract_signed_integer (void *, int);
1035 extern ULONGEST
extract_unsigned_integer (void *, int);
1037 extern int extract_long_unsigned_integer (void *, int, LONGEST
*);
1039 extern CORE_ADDR
extract_address (void *, int);
1041 extern void store_signed_integer (void *, int, LONGEST
);
1043 extern void store_unsigned_integer (void *, int, ULONGEST
);
1045 extern void store_address (void *, int, LONGEST
);
1047 /* Setup definitions for host and target floating point formats. We need to
1048 consider the format for `float', `double', and `long double' for both target
1049 and host. We need to do this so that we know what kind of conversions need
1050 to be done when converting target numbers to and from the hosts DOUBLEST
1053 /* This is used to indicate that we don't know the format of the floating point
1054 number. Typically, this is useful for native ports, where the actual format
1055 is irrelevant, since no conversions will be taking place. */
1057 extern const struct floatformat floatformat_unknown
;
1059 #if HOST_BYTE_ORDER == BIG_ENDIAN
1060 #ifndef HOST_FLOAT_FORMAT
1061 #define HOST_FLOAT_FORMAT &floatformat_ieee_single_big
1063 #ifndef HOST_DOUBLE_FORMAT
1064 #define HOST_DOUBLE_FORMAT &floatformat_ieee_double_big
1066 #else /* LITTLE_ENDIAN */
1067 #ifndef HOST_FLOAT_FORMAT
1068 #define HOST_FLOAT_FORMAT &floatformat_ieee_single_little
1070 #ifndef HOST_DOUBLE_FORMAT
1071 #define HOST_DOUBLE_FORMAT &floatformat_ieee_double_little
1075 #ifndef HOST_LONG_DOUBLE_FORMAT
1076 #define HOST_LONG_DOUBLE_FORMAT &floatformat_unknown
1079 #ifndef TARGET_FLOAT_FORMAT
1080 #define TARGET_FLOAT_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \
1081 ? &floatformat_ieee_single_big \
1082 : &floatformat_ieee_single_little)
1084 #ifndef TARGET_DOUBLE_FORMAT
1085 #define TARGET_DOUBLE_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \
1086 ? &floatformat_ieee_double_big \
1087 : &floatformat_ieee_double_little)
1090 #ifndef TARGET_LONG_DOUBLE_FORMAT
1091 #define TARGET_LONG_DOUBLE_FORMAT &floatformat_unknown
1094 /* Use `long double' if the host compiler supports it. (Note that this is not
1095 necessarily any longer than `double'. On SunOS/gcc, it's the same as
1096 double.) This is necessary because GDB internally converts all floating
1097 point values to the widest type supported by the host.
1099 There are problems however, when the target `long double' is longer than the
1100 host's `long double'. In general, we'll probably reduce the precision of
1101 any such values and print a warning. */
1103 #ifdef HAVE_LONG_DOUBLE
1104 typedef long double DOUBLEST
;
1106 typedef double DOUBLEST
;
1109 extern void floatformat_to_doublest (const struct floatformat
*,
1110 char *, DOUBLEST
*);
1111 extern void floatformat_from_doublest (const struct floatformat
*,
1112 DOUBLEST
*, char *);
1113 extern DOUBLEST
extract_floating (void *, int);
1115 extern void store_floating (void *, int, DOUBLEST
);
1117 /* On some machines there are bits in addresses which are not really
1118 part of the address, but are used by the kernel, the hardware, etc.
1119 for special purposes. ADDR_BITS_REMOVE takes out any such bits
1120 so we get a "real" address such as one would find in a symbol
1121 table. This is used only for addresses of instructions, and even then
1122 I'm not sure it's used in all contexts. It exists to deal with there
1123 being a few stray bits in the PC which would mislead us, not as some sort
1124 of generic thing to handle alignment or segmentation (it's possible it
1125 should be in TARGET_READ_PC instead). */
1126 #if !defined (ADDR_BITS_REMOVE)
1127 #define ADDR_BITS_REMOVE(addr) (addr)
1128 #endif /* No ADDR_BITS_REMOVE. */
1132 extern CORE_ADDR
push_bytes (CORE_ADDR
, char *, int);
1134 extern CORE_ADDR
push_word (CORE_ADDR
, ULONGEST
);
1136 extern int watchdog
;
1138 /* Hooks for alternate command interfaces. */
1141 /* The name of the interpreter if specified on the command line. */
1142 extern char *interpreter_p
;
1145 /* If a given interpreter matches INTERPRETER_P then it should update
1146 command_loop_hook and init_ui_hook with the per-interpreter
1148 /* FIXME: command_loop_hook and init_ui_hook should be moved here. */
1150 struct target_waitstatus
;
1151 struct cmd_list_element
;
1153 /* Should the asynchronous variant of the interpreter (using the
1154 event-loop) be enabled? */
1155 extern int event_loop_p
;
1157 extern void (*init_ui_hook
) (char *argv0
);
1158 extern void (*command_loop_hook
) (void);
1159 extern void (*show_load_progress
) (const char *section
,
1160 unsigned long section_sent
,
1161 unsigned long section_size
,
1162 unsigned long total_sent
,
1163 unsigned long total_size
);
1164 extern void (*print_frame_info_listing_hook
) (struct symtab
* s
,
1165 int line
, int stopline
,
1167 extern struct frame_info
*parse_frame_specification (char *frame_exp
);
1168 extern int (*query_hook
) (const char *, va_list);
1169 extern void (*warning_hook
) (const char *, va_list);
1170 extern void (*flush_hook
) (struct ui_file
* stream
);
1171 extern void (*create_breakpoint_hook
) (struct breakpoint
* b
);
1172 extern void (*delete_breakpoint_hook
) (struct breakpoint
* bpt
);
1173 extern void (*modify_breakpoint_hook
) (struct breakpoint
* bpt
);
1174 extern void (*interactive_hook
) (void);
1175 extern void (*registers_changed_hook
) (void);
1176 extern void (*readline_begin_hook
) (char *,...);
1177 extern char *(*readline_hook
) (char *);
1178 extern void (*readline_end_hook
) (void);
1179 extern void (*register_changed_hook
) (int regno
);
1180 extern void (*memory_changed_hook
) (CORE_ADDR addr
, int len
);
1181 extern void (*context_hook
) (int);
1182 extern int (*target_wait_hook
) (int pid
, struct target_waitstatus
* status
);
1184 extern void (*attach_hook
) (void);
1185 extern void (*detach_hook
) (void);
1186 extern void (*call_command_hook
) (struct cmd_list_element
* c
,
1187 char *cmd
, int from_tty
);
1189 extern void (*set_hook
) (struct cmd_list_element
* c
);
1191 extern NORETURN
void (*error_hook
) (void) ATTR_NORETURN
;
1193 extern void (*error_begin_hook
) (void);
1195 extern int (*ui_load_progress_hook
) (const char *section
, unsigned long num
);
1198 /* Inhibit window interface if non-zero. */
1200 extern int use_windows
;
1202 /* Symbolic definitions of filename-related things. */
1203 /* FIXME, this doesn't work very well if host and executable
1204 filesystems conventions are different. */
1206 #ifndef DIRNAME_SEPARATOR
1207 #define DIRNAME_SEPARATOR ':'
1211 #if defined(__GO32__)||defined(_WIN32)
1212 #define SLASH_P(X) ((X)=='\\')
1214 #define SLASH_P(X) ((X)=='/')
1219 #if defined(__GO32__)||defined(_WIN32)
1220 #define SLASH_CHAR '\\'
1222 #define SLASH_CHAR '/'
1226 #ifndef SLASH_STRING
1227 #if defined(__GO32__)||defined(_WIN32)
1228 #define SLASH_STRING "\\"
1230 #define SLASH_STRING "/"
1235 #define ROOTED_P(X) (SLASH_P((X)[0]))
1238 /* On some systems, PIDGET is defined to extract the inferior pid from
1239 an internal pid that has the thread id and pid in seperate bit
1240 fields. If not defined, then just use the entire internal pid as
1244 #define PIDGET(PID) (PID)
1245 #define TIDGET(PID) 0
1246 #define MERGEPID(PID, TID) (PID)
1249 /* If under Cygwin, provide backwards compatibility with older
1250 Cygwin compilers that don't define the current cpp define. */
1257 /* Define well known filenos if the system does not define them. */
1258 #ifndef STDIN_FILENO
1259 #define STDIN_FILENO 0
1261 #ifndef STDOUT_FILENO
1262 #define STDOUT_FILENO 1
1264 #ifndef STDERR_FILENO
1265 #define STDERR_FILENO 2
1268 /* If this definition isn't overridden by the header files, assume
1269 that isatty and fileno exist on this system. */
1271 #define ISATTY(FP) (isatty (fileno (FP)))
1275 /* FIXME: cagney/1999-12-13: The following will be moved to gdb.h /
1276 libgdb.h or gdblib.h. */
1278 /* Return-code (RC) from a gdb library call. (The abreviation RC is
1279 taken from the sim/common directory.) */
1282 /* The operation failed. The failure message can be fetched by
1283 calling ``char *error_last_message(void)''. The value is
1284 determined by the catch_errors() interface. */
1285 /* NOTE: Since ``defs.h:catch_errors()'' does not return an error /
1286 internal / quit indication it is not possible to return that
1289 /* No error occured but nothing happened. Due to the catch_errors()
1290 interface, this must be non-zero. */
1292 /* The operation was successful. Due to the catch_errors()
1293 interface, this must be non-zero. */
1298 /* Print the specified breakpoint on GDB_STDOUT. (Eventually this
1299 function will ``print'' the object on ``output''). */
1300 enum gdb_rc
gdb_breakpoint_query (/* struct {ui,gdb}_out *output, */ int bnum
);
1302 /* Create a breakpoint at ADDRESS (a GDB source and line). */
1303 enum gdb_rc
gdb_breakpoint (char *address
, char *condition
,
1304 int hardwareflag
, int tempflag
,
1305 int thread
, int ignore_count
);
1306 enum gdb_rc
gdb_thread_select (/* output object */ char *tidstr
);
1309 /* Print a list of known thread ids. */
1310 enum gdb_rc
gdb_list_thread_ids (/* output object */);
1312 /* Switch thread and print notification. */
1314 #endif /* #ifndef DEFS_H */