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, 2001
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. */
69 /* The target is partially multi-arched. Both "tm.h" and the
70 multi-arch vector provide definitions. "tm.h" normally overrides
71 the multi-arch vector (but there are a few exceptions). */
73 #define GDB_MULTI_ARCH_PARTIAL 1
75 /* The target is multi-arched. The MULTI-ARCH vector provides all
76 definitions. "tm.h" is included and may provide definitions of
77 non- multi-arch macros.. */
79 #define GDB_MULTI_ARCH_TM 2
81 /* The target is pure multi-arch. The MULTI-ARCH vector provides all
82 definitions. "tm.h" is linked to an empty file. */
84 #define GDB_MULTI_ARCH_PURE 3
88 /* An address in the program being debugged. Host byte order. Rather
89 than duplicate all the logic in BFD which figures out what type
90 this is (long, long long, etc.) and whether it needs to be 64
91 bits (the host/target interactions are subtle), we just use
94 typedef bfd_vma CORE_ADDR
;
96 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
102 #define LONGEST BFD_HOST_64_BIT
103 #define ULONGEST BFD_HOST_U_64_BIT
107 #ifdef CC_HAS_LONG_LONG
108 #define LONGEST long long
109 #define ULONGEST unsigned long long
111 #ifdef BFD_HOST_64_BIT
112 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
113 (e.g. i386-windows) so try it. */
114 #define LONGEST BFD_HOST_64_BIT
115 #define ULONGEST BFD_HOST_U_64_BIT
118 #define ULONGEST unsigned long
122 #endif /* No BFD64 */
124 #endif /* ! LONGEST */
127 #define min(a, b) ((a) < (b) ? (a) : (b))
130 #define max(a, b) ((a) > (b) ? (a) : (b))
133 /* Macros to do string compares.
135 NOTE: cagney/2000-03-14:
137 While old code can continue to refer to these macros, new code is
138 probably better off using strcmp() directly vis: ``strcmp() == 0''
139 and ``strcmp() != 0''.
141 This is because modern compilers can directly inline strcmp()
142 making the original justification for these macros - avoid function
143 call overhead by pre-testing the first characters
144 (``*X==*Y?...:0'') - redundant.
146 ``Even if [...] testing the first character does have a modest
147 performance improvement, I'd rather that whenever a performance
148 issue is found that we spend the effort on algorithmic
149 optimizations than micro-optimizing.'' J.T. */
151 #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0)
152 #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0)
154 /* The character GNU C++ uses to build identifiers that must be unique from
155 the program's identifiers (such as $this and $$vptr). */
156 #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */
158 /* Check if a character is one of the commonly used C++ marker characters. */
159 extern int is_cplus_marker (int);
161 /* use tui interface if non-zero */
162 extern int tui_version
;
165 /* all invocations of TUIDO should have two sets of parens */
166 #define TUIDO(x) tuiDo x
171 /* enable xdb commands if set */
172 extern int xdb_commands
;
174 /* enable dbx commands if set */
175 extern int dbx_commands
;
177 extern int quit_flag
;
178 extern int immediate_quit
;
179 extern int sevenbit_strings
;
181 extern void quit (void);
183 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
184 benefits of having a ``QUIT'' macro rather than a function are
185 marginal. If the overhead of a QUIT function call is proving
186 significant then its calling frequency should probably be reduced
187 [kingdon]. A profile analyzing the current situtation is
191 /* do twice to force compiler warning */
192 #define QUIT_FIXME "FIXME"
193 #define QUIT_FIXME "ignoring redefinition of QUIT"
196 if (quit_flag) quit (); \
197 if (interactive_hook) interactive_hook (); \
202 /* Languages represented in the symbol table and elsewhere.
203 This should probably be in language.h, but since enum's can't
204 be forward declared to satisfy opaque references before their
205 actual definition, needs to be here. */
209 language_unknown
, /* Language not known */
210 language_auto
, /* Placeholder for automatic setting */
212 language_cplus
, /* C++ */
213 language_java
, /* Java */
214 language_chill
, /* Chill */
215 language_fortran
, /* Fortran */
216 language_m2
, /* Modula-2 */
217 language_asm
, /* Assembly language */
218 language_scm
, /* Scheme / Guile */
219 language_pascal
/* Pascal */
226 unspecified_precision
229 /* the cleanup list records things that have to be undone
230 if an error happens (descriptors to be closed, memory to be freed, etc.)
231 Each link in the chain records a function to call and an
234 Use make_cleanup to add an element to the cleanup chain.
235 Use do_cleanups to do all cleanup actions back to a given
236 point in the chain. Use discard_cleanups to remove cleanups
237 from the chain back to a given point, not doing them. */
241 struct cleanup
*next
;
242 void (*function
) (PTR
);
247 /* The ability to declare that a function never returns is useful, but
248 not really required to compile GDB successfully, so the NORETURN and
249 ATTR_NORETURN macros normally expand into nothing. */
251 /* If compiling with older versions of GCC, a function may be declared
252 "volatile" to indicate that it does not return. */
255 #if defined(__GNUC__) \
256 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
257 #define NORETURN volatile
259 #define NORETURN /* nothing */
263 /* GCC 2.5 and later versions define a function attribute "noreturn",
264 which is the preferred way to declare that a function never returns.
265 However GCC 2.7 appears to be the first version in which this fully
266 works everywhere we use it. */
268 #ifndef ATTR_NORETURN
269 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7))
270 #define ATTR_NORETURN __attribute__ ((noreturn))
272 #define ATTR_NORETURN /* nothing */
277 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 4))
278 #define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
280 #define ATTR_FORMAT(type, x, y) /* nothing */
284 /* Needed for various prototypes */
289 /* From blockframe.c */
291 extern int inside_entry_func (CORE_ADDR
);
293 extern int inside_entry_file (CORE_ADDR addr
);
295 extern int inside_main_func (CORE_ADDR pc
);
297 /* From ch-lang.c, for the moment. (FIXME) */
299 extern char *chill_demangle (const char *);
303 extern void initialize_utils (void);
305 extern void notice_quit (void);
307 extern int strcmp_iw (const char *, const char *);
309 extern int subset_compare (char *, char *);
311 extern char *safe_strerror (int);
313 extern void init_malloc (void *);
315 extern void request_quit (int);
317 extern void do_cleanups (struct cleanup
*);
318 extern void do_final_cleanups (struct cleanup
*);
319 extern void do_my_cleanups (struct cleanup
**, struct cleanup
*);
320 extern void do_run_cleanups (struct cleanup
*);
321 extern void do_exec_cleanups (struct cleanup
*);
322 extern void do_exec_error_cleanups (struct cleanup
*);
324 extern void discard_cleanups (struct cleanup
*);
325 extern void discard_final_cleanups (struct cleanup
*);
326 extern void discard_exec_error_cleanups (struct cleanup
*);
327 extern void discard_my_cleanups (struct cleanup
**, struct cleanup
*);
329 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
330 make_cleanup function declarations below. Do not use this typedef
331 as a cast when passing functions into the make_cleanup() code.
332 Instead either use a bounce function or add a wrapper function.
333 Calling a f(char*) function with f(void*) is non-portable. */
334 typedef void (make_cleanup_ftype
) (void *);
336 extern struct cleanup
*make_cleanup (make_cleanup_ftype
*, void *);
338 extern struct cleanup
*make_cleanup_freeargv (char **);
341 extern struct cleanup
*make_cleanup_ui_file_delete (struct ui_file
*);
343 extern struct cleanup
*make_cleanup_close (int fd
);
345 extern struct cleanup
*make_cleanup_bfd_close (bfd
*abfd
);
347 extern struct cleanup
*make_final_cleanup (make_cleanup_ftype
*, void *);
349 extern struct cleanup
*make_my_cleanup (struct cleanup
**,
350 make_cleanup_ftype
*, void *);
352 extern struct cleanup
*make_run_cleanup (make_cleanup_ftype
*, void *);
354 extern struct cleanup
*make_exec_cleanup (make_cleanup_ftype
*, void *);
355 extern struct cleanup
*make_exec_error_cleanup (make_cleanup_ftype
*, void *);
357 extern struct cleanup
*save_cleanups (void);
358 extern struct cleanup
*save_final_cleanups (void);
359 extern struct cleanup
*save_my_cleanups (struct cleanup
**);
361 extern void restore_cleanups (struct cleanup
*);
362 extern void restore_final_cleanups (struct cleanup
*);
363 extern void restore_my_cleanups (struct cleanup
**, struct cleanup
*);
365 extern void free_current_contents (void *);
367 extern void null_cleanup (void *);
369 extern void xfree (void *);
371 extern int myread (int, char *, int);
373 extern int query (char *, ...) ATTR_FORMAT (printf
, 1, 2);
375 #if !defined (USE_MMALLOC)
376 /* NOTE: cagney/2000-03-04: The mmalloc functions need to use PTR
377 rather than void* so that they are consistent with
378 ../mmalloc/mmalloc.h. */
379 extern PTR
mcalloc (PTR
, size_t, size_t);
380 extern PTR
mmalloc (PTR
, size_t);
381 extern PTR
mrealloc (PTR
, PTR
, size_t);
382 extern void mfree (PTR
, PTR
);
385 extern void init_page_info (void);
387 extern CORE_ADDR
host_pointer_to_address (void *ptr
);
388 extern void *address_to_host_pointer (CORE_ADDR addr
);
390 /* From demangle.c */
392 extern void set_demangling_style (char *);
397 typedef int (use_struct_convention_fn
) (int gcc_p
, struct type
* value_type
);
398 extern use_struct_convention_fn generic_use_struct_convention
;
400 typedef unsigned char *(breakpoint_from_pc_fn
) (CORE_ADDR
* pcptr
, int *lenptr
);
402 /* Annotation stuff. */
404 extern int annotation_level
; /* in stack.c */
406 extern void begin_line (void);
408 extern void wrap_here (char *);
410 extern void reinitialize_more_filter (void);
413 extern struct ui_file
*gdb_stdout
;
414 /* Serious error notifications */
415 extern struct ui_file
*gdb_stderr
;
416 /* Log/debug/trace messages that should bypass normal stdout/stderr
417 filtering. For momement, always call this stream using
418 *_unfiltered. In the very near future that restriction shall be
419 removed - either call shall be unfiltered. (cagney 1999-06-13). */
420 extern struct ui_file
*gdb_stdlog
;
421 /* Target output that should bypass normal stdout/stderr filtering.
422 For momement, always call this stream using *_unfiltered. In the
423 very near future that restriction shall be removed - either call
424 shall be unfiltered. (cagney 1999-07-02). */
425 extern struct ui_file
*gdb_stdtarg
;
429 #include "tuiCommand.h"
432 #include "tuiLayout.h"
438 /* More generic printf like operations. Filtered versions may return
439 non-locally on error. */
441 extern void fputs_filtered (const char *, struct ui_file
*);
443 extern void fputs_unfiltered (const char *, struct ui_file
*);
445 extern int fputc_filtered (int c
, struct ui_file
*);
447 extern int fputc_unfiltered (int c
, struct ui_file
*);
449 extern int putchar_filtered (int c
);
451 extern int putchar_unfiltered (int c
);
453 extern void puts_filtered (const char *);
455 extern void puts_unfiltered (const char *);
457 extern void puts_debug (char *prefix
, char *string
, char *suffix
);
459 extern void vprintf_filtered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
461 extern void vfprintf_filtered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
463 extern void fprintf_filtered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
465 extern void fprintfi_filtered (int, struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 3, 4);
467 extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
469 extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
471 extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
473 extern void vfprintf_unfiltered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
475 extern void fprintf_unfiltered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
477 extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
479 extern void print_spaces (int, struct ui_file
*);
481 extern void print_spaces_filtered (int, struct ui_file
*);
483 extern char *n_spaces (int);
485 extern void fputstr_filtered (const char *str
, int quotr
, struct ui_file
* stream
);
487 extern void fputstr_unfiltered (const char *str
, int quotr
, struct ui_file
* stream
);
489 extern void fputstrn_unfiltered (const char *str
, int n
, int quotr
, struct ui_file
* stream
);
491 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
492 extern void gdb_print_host_address (void *addr
, struct ui_file
*stream
);
494 /* Convert a CORE_ADDR into a HEX string. paddr() is like %08lx.
495 paddr_nz() is like %lx. paddr_u() is like %lu. paddr_width() is
497 extern int strlen_paddr (void);
498 extern char *paddr (CORE_ADDR addr
);
499 extern char *paddr_nz (CORE_ADDR addr
);
500 extern char *paddr_u (CORE_ADDR addr
);
501 extern char *paddr_d (LONGEST addr
);
503 extern char *phex (ULONGEST l
, int sizeof_l
);
504 extern char *phex_nz (ULONGEST l
, int sizeof_l
);
506 extern void fprintf_symbol_filtered (struct ui_file
*, char *,
509 extern NORETURN
void perror_with_name (char *) ATTR_NORETURN
;
511 extern void print_sys_errmsg (char *, int);
513 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
514 "const char *" in unistd.h, so we can't declare the argument
517 extern char *re_comp (const char *);
521 extern void symbol_file_command (char *, int);
523 /* Remote targets may wish to use this as their load function. */
524 extern void generic_load (char *name
, int from_tty
);
526 /* Summarise a download */
527 extern void print_transfer_performance (struct ui_file
*stream
,
528 unsigned long data_count
,
529 unsigned long write_count
,
530 unsigned long time_count
);
534 typedef void initialize_file_ftype (void);
536 extern char *skip_quoted (char *);
538 extern char *gdb_readline (char *);
540 extern char *command_line_input (char *, int, char *);
542 extern void print_prompt (void);
544 extern int input_from_terminal_p (void);
546 extern int info_verbose
;
548 /* From printcmd.c */
550 extern void set_next_address (CORE_ADDR
);
552 extern void print_address_symbolic (CORE_ADDR
, struct ui_file
*, int,
555 extern int build_address_symbolic (CORE_ADDR addr
,
563 extern void print_address_numeric (CORE_ADDR
, int, struct ui_file
*);
565 extern void print_address (CORE_ADDR
, struct ui_file
*);
569 extern int openp (char *, int, char *, int, int, char **);
571 extern int source_full_path_of (char *, char **);
573 extern void mod_path (char *, char **);
575 extern void directory_command (char *, int);
577 extern void init_source_path (void);
579 extern char *symtab_to_filename (struct symtab
*);
583 extern void exec_set_section_offsets (bfd_signed_vma text_off
,
584 bfd_signed_vma data_off
,
585 bfd_signed_vma bss_off
);
589 extern int read_relative_register_raw_bytes (int, char *);
591 /* Possible lvalue types. Like enum language, this should be in
592 value.h, but needs to be here for the same reason. */
598 /* In memory. Could be a saved register. */
602 /* In a gdb internal variable. */
604 /* Part of a gdb internal variable (structure field). */
605 lval_internalvar_component
,
606 /* In a register series in a frame not the current one, which may have been
607 partially saved or saved in different places (otherwise would be
608 lval_register or lval_memory). */
609 lval_reg_frame_relative
614 /* From readline (but not in any readline .h files). */
616 extern char *tilde_expand (char *);
618 /* Control types for commands */
620 enum misc_command_type
628 enum command_control_type
638 /* Structure for saved commands lines
639 (for breakpoints, defined commands, etc). */
643 struct command_line
*next
;
645 enum command_control_type control_type
;
647 struct command_line
**body_list
;
650 extern struct command_line
*read_command_lines (char *, int);
652 extern void free_command_lines (struct command_line
**);
654 /* To continue the execution commands when running gdb asynchronously.
655 A continuation structure contains a pointer to a function to be called
656 to finish the command, once the target has stopped. Such mechanism is
657 used bt the finish and until commands, and in the remote protocol
658 when opening an extended-remote connection. */
660 struct continuation_arg
662 struct continuation_arg
*next
;
663 union continuation_data
{
672 void (*continuation_hook
) (struct continuation_arg
*);
673 struct continuation_arg
*arg_list
;
674 struct continuation
*next
;
676 struct continuation continuation
;
679 extern struct continuation
*cmd_continuation
;
680 /* Used only by the step_1 function. */
681 extern struct continuation
*intermediate_continuation
;
684 extern void add_continuation (void (*)(struct continuation_arg
*),
685 struct continuation_arg
*);
686 extern void do_all_continuations (void);
687 extern void discard_all_continuations (void);
689 extern void add_intermediate_continuation (void (*)(struct continuation_arg
*),
690 struct continuation_arg
*);
691 extern void do_all_intermediate_continuations (void);
692 extern void discard_all_intermediate_continuations (void);
694 /* String containing the current directory (what getwd would return). */
696 extern char *current_directory
;
698 /* Default radixes for input and output. Only some values supported. */
699 extern unsigned input_radix
;
700 extern unsigned output_radix
;
702 /* Possibilities for prettyprint parameters to routines which print
703 things. Like enum language, this should be in value.h, but needs
704 to be here for the same reason. FIXME: If we can eliminate this
705 as an arg to LA_VAL_PRINT, then we can probably move it back to
710 Val_no_prettyprint
= 0,
712 /* Use the default setting which the user has specified. */
717 /* Optional host machine definition. Pure autoconf targets will not
718 need a "xm.h" file. This will be a symlink to one of the xm-*.h
719 files, built by the `configure' script. */
725 /* Optional native machine support. Non-native (and possibly pure
726 multi-arch) targets do not need a "nm.h" file. This will be a
727 symlink to one of the nm-*.h files, built by the `configure'
734 /* Optional target machine definition. Pure multi-arch configurations
735 do not need a "tm.h" file. This will be a symlink to one of the
736 tm-*.h files, built by the `configure' script. */
742 /* GDB_MULTI_ARCH is normally set by configure.in using information
743 from configure.tgt or the config/%/%.mt Makefile fragment. Since
744 some targets have defined it in their "tm.h" file, delay providing
745 a default definition until after "tm.h" has been included.. */
747 #ifndef GDB_MULTI_ARCH
748 #define GDB_MULTI_ARCH 0
752 /* If the xm.h file did not define the mode string used to open the
753 files, assume that binary files are opened the same way as text
756 #include "fopen-same.h"
759 /* Microsoft C can't deal with const pointers */
764 #define CONST_PTR const
768 * Allow things in gdb to be declared "volatile". If compiling ANSI, it
769 * just works. If compiling with gcc but non-ansi, redefine to __volatile__.
770 * If non-ansi, non-gcc, then eliminate "volatile" entirely, making those
771 * objects be read-write rather than read-only.
777 #define volatile __volatile__
779 #define volatile /* nothing */
782 #endif /* volatile */
784 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
785 FIXME: Assumes 2's complement arithmetic */
787 #if !defined (UINT_MAX)
788 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
791 #if !defined (INT_MAX)
792 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
795 #if !defined (INT_MIN)
796 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
799 #if !defined (ULONG_MAX)
800 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
803 #if !defined (LONG_MAX)
804 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
807 #if !defined (ULONGEST_MAX)
808 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */
811 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */
812 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
815 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
816 arguments to a function, number in a value history, register number, etc.)
817 where the value must not be larger than can fit in an int. */
819 extern int longest_to_int (LONGEST
);
821 /* Assorted functions we can declare, now that const and volatile are
824 extern char *savestring (const char *, int);
826 extern char *msavestring (void *, const char *, int);
828 extern char *mstrsave (void *, const char *);
830 /* FIXME; was long, but this causes compile errors in msvc if already
833 extern PTR
xmmalloc (PTR
, size_t);
834 extern PTR
xmrealloc (PTR
, PTR
, size_t);
836 extern PTR
xmmalloc (PTR
, long);
837 extern PTR
xmrealloc (PTR
, PTR
, long);
840 /* Like asprintf/vasprintf but get an internal_error if the call
842 extern void xasprintf (char **ret
, const char *format
, ...) ATTR_FORMAT (printf
, 2, 3);
843 extern void xvasprintf (char **ret
, const char *format
, va_list ap
);
845 extern int parse_escape (char **);
847 /* Message to be printed before the error message, when an error occurs. */
849 extern char *error_pre_print
;
851 /* Message to be printed before the error message, when an error occurs. */
853 extern char *quit_pre_print
;
855 /* Message to be printed before the warning message, when a warning occurs. */
857 extern char *warning_pre_print
;
859 extern NORETURN
void verror (const char *fmt
, va_list ap
) ATTR_NORETURN
;
861 extern NORETURN
void error (const char *fmt
, ...) ATTR_NORETURN
;
863 /* DEPRECATED: Use error(), verror() or error_stream(). */
864 extern NORETURN
void error_begin (void);
866 extern NORETURN
void error_stream (struct ui_file
*) ATTR_NORETURN
;
868 /* Returns a freshly allocate buffer containing the last error
870 extern char *error_last_message (void);
872 extern NORETURN
void internal_verror (const char *, va_list ap
) ATTR_NORETURN
;
874 extern NORETURN
void internal_error (char *, ...) ATTR_NORETURN
;
876 extern NORETURN
void nomem (long) ATTR_NORETURN
;
878 /* Reasons for calling return_to_top_level. Note: enum value 0 is
879 reserved for internal use as the return value from an initial
884 /* User interrupt. */
886 /* Any other error. */
890 #define ALL_CLEANUPS ((struct cleanup *)0)
892 #define RETURN_MASK(reason) (1 << (int)(reason))
893 #define RETURN_MASK_QUIT RETURN_MASK (RETURN_QUIT)
894 #define RETURN_MASK_ERROR RETURN_MASK (RETURN_ERROR)
895 #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
896 typedef int return_mask
;
898 extern NORETURN
void return_to_top_level (enum return_reason
) ATTR_NORETURN
;
900 /* If CATCH_ERRORS_FTYPE throws an error, catch_errors() returns zero
901 otherwize the result from CATCH_ERRORS_FTYPE is returned. It is
902 probably useful for CATCH_ERRORS_FTYPE to always return a non-zero
903 value. It's unfortunate that, catch_errors() does not return an
904 indication of the exact exception that it caught - quit_flag might
907 typedef int (catch_errors_ftype
) (PTR
);
908 extern int catch_errors (catch_errors_ftype
*, PTR
, char *, return_mask
);
910 /* Template to catch_errors() that wraps calls to command
913 typedef void (catch_command_errors_ftype
) (char *, int);
914 extern int catch_command_errors (catch_command_errors_ftype
*func
, char *command
, int from_tty
, return_mask
);
916 extern void warning_begin (void);
918 extern void warning (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
920 /* Global functions from other, non-gdb GNU thingies.
921 Libiberty thingies are no longer declared here. We include libiberty.h
924 #ifndef GETENV_PROVIDED
925 extern char *getenv (const char *);
928 /* From other system libraries */
935 #if defined(_MSC_VER) && !defined(__cplusplus)
936 /* msvc defines these in stdlib.h for c code */
943 #define min(a, b) ((a) < (b) ? (a) : (b))
946 #define max(a, b) ((a) > (b) ? (a) : (b))
950 /* We take the address of fclose later, but some stdio's forget
951 to declare this. We can't always declare it since there's
952 no way to declare the parameters without upsetting some compiler
955 #ifndef FCLOSE_PROVIDED
956 extern int fclose (FILE *);
960 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
963 #ifndef MALLOC_INCOMPATIBLE
965 #ifdef NEED_DECLARATION_MALLOC
966 extern PTR
malloc ();
969 #ifdef NEED_DECLARATION_REALLOC
970 extern PTR
realloc ();
973 #ifdef NEED_DECLARATION_FREE
977 #endif /* MALLOC_INCOMPATIBLE */
979 /* Various possibilities for alloca. */
982 #define alloca __builtin_alloca
983 #else /* Not GNU C */
991 /* We need to be careful not to declare this in a way which conflicts with
992 bison. Bison never declares it as char *, but under various circumstances
993 (like __hpux) we need to use void *. */
994 #if defined (__STDC__) || defined (__hpux)
995 extern void *alloca ();
996 #else /* Don't use void *. */
997 extern char *alloca ();
998 #endif /* Don't use void *. */
999 #endif /* Not _AIX */
1000 #endif /* Not HAVE_ALLOCA_H */
1001 #endif /* Not GNU C */
1002 #endif /* alloca not defined */
1004 /* HOST_BYTE_ORDER must be defined to one of these. */
1006 #ifdef HAVE_ENDIAN_H
1010 #if !defined (BIG_ENDIAN)
1011 #define BIG_ENDIAN 4321
1014 #if !defined (LITTLE_ENDIAN)
1015 #define LITTLE_ENDIAN 1234
1018 /* Dynamic target-system-dependent parameters for GDB. */
1019 #include "gdbarch.h"
1020 #if (GDB_MULTI_ARCH == 0)
1021 /* Multi-arch targets _should_ be including "arch-utils.h" directly
1022 into their *-tdep.c file. This is a prop to help old non-
1023 multi-arch targets to continue to compile. */
1024 #include "arch-utils.h"
1027 /* Static target-system-dependent parameters for GDB. */
1029 /* Number of bits in a char or unsigned char for the target machine.
1030 Just like CHAR_BIT in <limits.h> but describes the target machine. */
1031 #if !defined (TARGET_CHAR_BIT)
1032 #define TARGET_CHAR_BIT 8
1035 /* If we picked up a copy of CHAR_BIT from a configuration file
1036 (which may get it by including <limits.h>) then use it to set
1037 the number of bits in a host char. If not, use the same size
1040 #if defined (CHAR_BIT)
1041 #define HOST_CHAR_BIT CHAR_BIT
1043 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1046 /* The bit byte-order has to do just with numbering of bits in
1047 debugging symbols and such. Conceptually, it's quite separate
1048 from byte/word byte order. */
1050 #if !defined (BITS_BIG_ENDIAN)
1051 #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN)
1056 extern LONGEST
extract_signed_integer (void *, int);
1058 extern ULONGEST
extract_unsigned_integer (void *, int);
1060 extern int extract_long_unsigned_integer (void *, int, LONGEST
*);
1062 extern CORE_ADDR
extract_address (void *, int);
1064 extern CORE_ADDR
extract_typed_address (void *buf
, struct type
*type
);
1066 extern void store_signed_integer (void *, int, LONGEST
);
1068 extern void store_unsigned_integer (void *, int, ULONGEST
);
1070 extern void store_address (void *, int, LONGEST
);
1072 extern void store_typed_address (void *buf
, struct type
*type
, CORE_ADDR addr
);
1074 /* Setup definitions for host and target floating point formats. We need to
1075 consider the format for `float', `double', and `long double' for both target
1076 and host. We need to do this so that we know what kind of conversions need
1077 to be done when converting target numbers to and from the hosts DOUBLEST
1080 /* This is used to indicate that we don't know the format of the floating point
1081 number. Typically, this is useful for native ports, where the actual format
1082 is irrelevant, since no conversions will be taking place. */
1084 extern const struct floatformat floatformat_unknown
;
1086 #if HOST_BYTE_ORDER == BIG_ENDIAN
1087 #ifndef HOST_FLOAT_FORMAT
1088 #define HOST_FLOAT_FORMAT &floatformat_ieee_single_big
1090 #ifndef HOST_DOUBLE_FORMAT
1091 #define HOST_DOUBLE_FORMAT &floatformat_ieee_double_big
1093 #else /* LITTLE_ENDIAN */
1094 #ifndef HOST_FLOAT_FORMAT
1095 #define HOST_FLOAT_FORMAT &floatformat_ieee_single_little
1097 #ifndef HOST_DOUBLE_FORMAT
1098 #define HOST_DOUBLE_FORMAT &floatformat_ieee_double_little
1102 #ifndef HOST_LONG_DOUBLE_FORMAT
1103 #define HOST_LONG_DOUBLE_FORMAT &floatformat_unknown
1106 /* Use `long double' if the host compiler supports it. (Note that this is not
1107 necessarily any longer than `double'. On SunOS/gcc, it's the same as
1108 double.) This is necessary because GDB internally converts all floating
1109 point values to the widest type supported by the host.
1111 There are problems however, when the target `long double' is longer than the
1112 host's `long double'. In general, we'll probably reduce the precision of
1113 any such values and print a warning. */
1115 #ifdef HAVE_LONG_DOUBLE
1116 typedef long double DOUBLEST
;
1118 typedef double DOUBLEST
;
1121 extern void floatformat_to_doublest (const struct floatformat
*,
1122 char *, DOUBLEST
*);
1123 extern void floatformat_from_doublest (const struct floatformat
*,
1124 DOUBLEST
*, char *);
1125 extern DOUBLEST
extract_floating (void *, int);
1127 extern void store_floating (void *, int, DOUBLEST
);
1129 /* On some machines there are bits in addresses which are not really
1130 part of the address, but are used by the kernel, the hardware, etc.
1131 for special purposes. ADDR_BITS_REMOVE takes out any such bits
1132 so we get a "real" address such as one would find in a symbol
1133 table. This is used only for addresses of instructions, and even then
1134 I'm not sure it's used in all contexts. It exists to deal with there
1135 being a few stray bits in the PC which would mislead us, not as some sort
1136 of generic thing to handle alignment or segmentation (it's possible it
1137 should be in TARGET_READ_PC instead). */
1138 #if !defined (ADDR_BITS_REMOVE)
1139 #define ADDR_BITS_REMOVE(addr) (addr)
1140 #endif /* No ADDR_BITS_REMOVE. */
1144 extern CORE_ADDR
push_bytes (CORE_ADDR
, char *, int);
1146 extern CORE_ADDR
push_word (CORE_ADDR
, ULONGEST
);
1148 extern int watchdog
;
1150 /* Hooks for alternate command interfaces. */
1153 /* The name of the interpreter if specified on the command line. */
1154 extern char *interpreter_p
;
1157 /* If a given interpreter matches INTERPRETER_P then it should update
1158 command_loop_hook and init_ui_hook with the per-interpreter
1160 /* FIXME: command_loop_hook and init_ui_hook should be moved here. */
1162 struct target_waitstatus
;
1163 struct cmd_list_element
;
1165 /* Should the asynchronous variant of the interpreter (using the
1166 event-loop) be enabled? */
1167 extern int event_loop_p
;
1169 extern void (*init_ui_hook
) (char *argv0
);
1170 extern void (*command_loop_hook
) (void);
1171 extern void (*show_load_progress
) (const char *section
,
1172 unsigned long section_sent
,
1173 unsigned long section_size
,
1174 unsigned long total_sent
,
1175 unsigned long total_size
);
1176 extern void (*print_frame_info_listing_hook
) (struct symtab
* s
,
1177 int line
, int stopline
,
1179 extern struct frame_info
*parse_frame_specification (char *frame_exp
);
1180 extern int (*query_hook
) (const char *, va_list);
1181 extern void (*warning_hook
) (const char *, va_list);
1182 extern void (*flush_hook
) (struct ui_file
* stream
);
1183 extern void (*create_breakpoint_hook
) (struct breakpoint
* b
);
1184 extern void (*delete_breakpoint_hook
) (struct breakpoint
* bpt
);
1185 extern void (*modify_breakpoint_hook
) (struct breakpoint
* bpt
);
1186 extern void (*interactive_hook
) (void);
1187 extern void (*registers_changed_hook
) (void);
1188 extern void (*readline_begin_hook
) (char *,...);
1189 extern char *(*readline_hook
) (char *);
1190 extern void (*readline_end_hook
) (void);
1191 extern void (*register_changed_hook
) (int regno
);
1192 extern void (*memory_changed_hook
) (CORE_ADDR addr
, int len
);
1193 extern void (*context_hook
) (int);
1194 extern int (*target_wait_hook
) (int pid
, struct target_waitstatus
* status
);
1196 extern void (*attach_hook
) (void);
1197 extern void (*detach_hook
) (void);
1198 extern void (*call_command_hook
) (struct cmd_list_element
* c
,
1199 char *cmd
, int from_tty
);
1201 extern void (*set_hook
) (struct cmd_list_element
* c
);
1203 extern NORETURN
void (*error_hook
) (void) ATTR_NORETURN
;
1205 extern void (*error_begin_hook
) (void);
1207 extern int (*ui_load_progress_hook
) (const char *section
, unsigned long num
);
1210 /* Inhibit window interface if non-zero. */
1212 extern int use_windows
;
1214 /* Symbolic definitions of filename-related things. */
1215 /* FIXME, this doesn't work very well if host and executable
1216 filesystems conventions are different. */
1218 #ifndef DIRNAME_SEPARATOR
1219 #define DIRNAME_SEPARATOR ':'
1223 #if defined(__GO32__)||defined(_WIN32)
1224 #define SLASH_P(X) ((X)=='\\')
1226 #define SLASH_P(X) ((X)=='/')
1231 #if defined(__GO32__)||defined(_WIN32)
1232 #define SLASH_CHAR '\\'
1234 #define SLASH_CHAR '/'
1238 #ifndef SLASH_STRING
1239 #if defined(__GO32__)||defined(_WIN32)
1240 #define SLASH_STRING "\\"
1242 #define SLASH_STRING "/"
1247 #define ROOTED_P(X) (SLASH_P((X)[0]))
1250 /* On some systems, PIDGET is defined to extract the inferior pid from
1251 an internal pid that has the thread id and pid in seperate bit
1252 fields. If not defined, then just use the entire internal pid as
1256 #define PIDGET(PID) (PID)
1257 #define TIDGET(PID) 0
1258 #define MERGEPID(PID, TID) (PID)
1261 /* If under Cygwin, provide backwards compatibility with older
1262 Cygwin compilers that don't define the current cpp define. */
1269 /* Define well known filenos if the system does not define them. */
1270 #ifndef STDIN_FILENO
1271 #define STDIN_FILENO 0
1273 #ifndef STDOUT_FILENO
1274 #define STDOUT_FILENO 1
1276 #ifndef STDERR_FILENO
1277 #define STDERR_FILENO 2
1280 /* If this definition isn't overridden by the header files, assume
1281 that isatty and fileno exist on this system. */
1283 #define ISATTY(FP) (isatty (fileno (FP)))
1287 /* FIXME: cagney/1999-12-13: The following will be moved to gdb.h /
1288 libgdb.h or gdblib.h. */
1290 /* Return-code (RC) from a gdb library call. (The abreviation RC is
1291 taken from the sim/common directory.) */
1294 /* The operation failed. The failure message can be fetched by
1295 calling ``char *error_last_message(void)''. The value is
1296 determined by the catch_errors() interface. */
1297 /* NOTE: Since ``defs.h:catch_errors()'' does not return an error /
1298 internal / quit indication it is not possible to return that
1301 /* No error occured but nothing happened. Due to the catch_errors()
1302 interface, this must be non-zero. */
1304 /* The operation was successful. Due to the catch_errors()
1305 interface, this must be non-zero. */
1310 /* Print the specified breakpoint on GDB_STDOUT. (Eventually this
1311 function will ``print'' the object on ``output''). */
1312 enum gdb_rc
gdb_breakpoint_query (/* struct {ui,gdb}_out *output, */ int bnum
);
1314 /* Create a breakpoint at ADDRESS (a GDB source and line). */
1315 enum gdb_rc
gdb_breakpoint (char *address
, char *condition
,
1316 int hardwareflag
, int tempflag
,
1317 int thread
, int ignore_count
);
1318 enum gdb_rc
gdb_thread_select (/* output object */ char *tidstr
);
1321 /* Print a list of known thread ids. */
1322 enum gdb_rc
gdb_list_thread_ids (/* output object */);
1324 /* Switch thread and print notification. */
1326 #endif /* #ifndef DEFS_H */