1 /* *INDENT-OFF* */ /* ATTR_FORMAT confuses indent, avoid running it for now */
2 /* Basic, host-specific, and target-specific definitions for GDB.
3 Copyright (C) 1986, 1989, 1991-1996, 1998-2000
4 Free Software Foundation, Inc.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, USA. */
26 #include "config.h" /* Generated by configure */
28 #include <errno.h> /* System call error return status */
34 #include <sys/types.h> /* for size_t */
41 /* Just in case they're not defined in stdio.h. */
50 /* First include ansidecl.h so we can use the various macro definitions
51 here and in all subsequent file inclusions. */
55 #include <stdarg.h> /* for va_list */
57 #include "libiberty.h"
65 /* For BFD64 and bfd_vma. */
68 /* An address in the program being debugged. Host byte order. Rather
69 than duplicate all the logic in BFD which figures out what type
70 this is (long, long long, etc.) and whether it needs to be 64
71 bits (the host/target interactions are subtle), we just use
74 typedef bfd_vma CORE_ADDR
;
76 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
82 #define LONGEST BFD_HOST_64_BIT
83 #define ULONGEST BFD_HOST_U_64_BIT
87 #ifdef CC_HAS_LONG_LONG
88 #define LONGEST long long
89 #define ULONGEST unsigned long long
91 #ifdef BFD_HOST_64_BIT
92 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
93 (e.g. i386-windows) so try it. */
94 #define LONGEST BFD_HOST_64_BIT
95 #define ULONGEST BFD_HOST_U_64_BIT
98 #define ULONGEST unsigned long
102 #endif /* No BFD64 */
104 #endif /* ! LONGEST */
107 #define min(a, b) ((a) < (b) ? (a) : (b))
110 #define max(a, b) ((a) > (b) ? (a) : (b))
113 /* Macros to do string compares.
115 NOTE: cagney/2000-03-14:
117 While old code can continue to refer to these macros, new code is
118 probably better off using strcmp() directly vis: ``strcmp() == 0''
119 and ``strcmp() != 0''.
121 This is because modern compilers can directly inline strcmp()
122 making the original justification for these macros - avoid function
123 call overhead by pre-testing the first characters
124 (``*X==*Y?...:0'') - redundant.
126 ``Even if [...] testing the first character does have a modest
127 performance improvement, I'd rather that whenever a performance
128 issue is found that we spend the effort on algorithmic
129 optimizations than micro-optimizing.'' J.T. */
131 #define STRCMP(a,b) (*(a) == *(b) ? strcmp ((a), (b)) : (int)*(a) - (int)*(b))
132 #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0)
133 #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0)
135 /* The character GNU C++ uses to build identifiers that must be unique from
136 the program's identifiers (such as $this and $$vptr). */
137 #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */
139 /* Check if a character is one of the commonly used C++ marker characters. */
140 extern int is_cplus_marker (int);
142 /* use tui interface if non-zero */
143 extern int tui_version
;
146 /* all invocations of TUIDO should have two sets of parens */
147 #define TUIDO(x) tuiDo x
152 /* enable xdb commands if set */
153 extern int xdb_commands
;
155 /* enable dbx commands if set */
156 extern int dbx_commands
;
158 extern int quit_flag
;
159 extern int immediate_quit
;
160 extern int sevenbit_strings
;
162 extern void quit (void);
164 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
165 benefits of having a ``QUIT'' macro rather than a function are
166 marginal. If the overhead of a QUIT function call is proving
167 significant then its calling frequency should probably be reduced
168 [kingdon]. A profile analyzing the current situtation is
172 /* do twice to force compiler warning */
173 #define QUIT_FIXME "FIXME"
174 #define QUIT_FIXME "ignoring redefinition of QUIT"
177 if (quit_flag) quit (); \
178 if (interactive_hook) interactive_hook (); \
183 /* Languages represented in the symbol table and elsewhere.
184 This should probably be in language.h, but since enum's can't
185 be forward declared to satisfy opaque references before their
186 actual definition, needs to be here. */
190 language_unknown
, /* Language not known */
191 language_auto
, /* Placeholder for automatic setting */
193 language_cplus
, /* C++ */
194 language_java
, /* Java */
195 language_chill
, /* Chill */
196 language_fortran
, /* Fortran */
197 language_m2
, /* Modula-2 */
198 language_asm
, /* Assembly language */
199 language_scm
, /* Scheme / Guile */
200 language_pascal
/* Pascal */
207 unspecified_precision
210 /* the cleanup list records things that have to be undone
211 if an error happens (descriptors to be closed, memory to be freed, etc.)
212 Each link in the chain records a function to call and an
215 Use make_cleanup to add an element to the cleanup chain.
216 Use do_cleanups to do all cleanup actions back to a given
217 point in the chain. Use discard_cleanups to remove cleanups
218 from the chain back to a given point, not doing them. */
222 struct cleanup
*next
;
223 void (*function
) (PTR
);
228 /* The ability to declare that a function never returns is useful, but
229 not really required to compile GDB successfully, so the NORETURN and
230 ATTR_NORETURN macros normally expand into nothing. */
232 /* If compiling with older versions of GCC, a function may be declared
233 "volatile" to indicate that it does not return. */
236 #if defined(__GNUC__) \
237 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
238 #define NORETURN volatile
240 #define NORETURN /* nothing */
244 /* GCC 2.5 and later versions define a function attribute "noreturn",
245 which is the preferred way to declare that a function never returns.
246 However GCC 2.7 appears to be the first version in which this fully
247 works everywhere we use it. */
249 #ifndef ATTR_NORETURN
250 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7))
251 #define ATTR_NORETURN __attribute__ ((noreturn))
253 #define ATTR_NORETURN /* nothing */
258 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 4))
259 #define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
261 #define ATTR_FORMAT(type, x, y) /* nothing */
265 /* Needed for various prototypes */
270 /* From blockframe.c */
272 extern int inside_entry_func (CORE_ADDR
);
274 extern int inside_entry_file (CORE_ADDR addr
);
276 extern int inside_main_func (CORE_ADDR pc
);
278 /* From ch-lang.c, for the moment. (FIXME) */
280 extern char *chill_demangle (const char *);
284 extern void initialize_utils (void);
286 extern void notice_quit (void);
288 extern int strcmp_iw (const char *, const char *);
290 extern int subset_compare (char *, char *);
292 extern char *safe_strerror (int);
294 extern void init_malloc (void *);
296 extern void request_quit (int);
298 extern void do_cleanups (struct cleanup
*);
299 extern void do_final_cleanups (struct cleanup
*);
300 extern void do_my_cleanups (struct cleanup
**, struct cleanup
*);
301 extern void do_run_cleanups (struct cleanup
*);
302 extern void do_exec_cleanups (struct cleanup
*);
303 extern void do_exec_error_cleanups (struct cleanup
*);
305 extern void discard_cleanups (struct cleanup
*);
306 extern void discard_final_cleanups (struct cleanup
*);
307 extern void discard_exec_error_cleanups (struct cleanup
*);
308 extern void discard_my_cleanups (struct cleanup
**, struct cleanup
*);
310 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
311 make_cleanup function declarations below. Do not use this typedef
312 as a cast when passing functions into the make_cleanup() code.
313 Instead either use a bounce function or add a wrapper function.
314 Calling a f(char*) function with f(void*) is non-portable. */
315 typedef void (make_cleanup_ftype
) (void *);
317 extern struct cleanup
*make_cleanup (make_cleanup_ftype
*, void *);
319 extern struct cleanup
*make_cleanup_freeargv (char **);
322 extern struct cleanup
*make_cleanup_ui_file_delete (struct ui_file
*);
324 extern struct cleanup
*make_cleanup_close (int fd
);
326 extern struct cleanup
*make_cleanup_bfd_close (bfd
*abfd
);
328 extern struct cleanup
*make_final_cleanup (make_cleanup_ftype
*, void *);
330 extern struct cleanup
*make_my_cleanup (struct cleanup
**,
331 make_cleanup_ftype
*, void *);
333 extern struct cleanup
*make_run_cleanup (make_cleanup_ftype
*, void *);
335 extern struct cleanup
*make_exec_cleanup (make_cleanup_ftype
*, void *);
336 extern struct cleanup
*make_exec_error_cleanup (make_cleanup_ftype
*, void *);
338 extern struct cleanup
*save_cleanups (void);
339 extern struct cleanup
*save_final_cleanups (void);
340 extern struct cleanup
*save_my_cleanups (struct cleanup
**);
342 extern void restore_cleanups (struct cleanup
*);
343 extern void restore_final_cleanups (struct cleanup
*);
344 extern void restore_my_cleanups (struct cleanup
**, struct cleanup
*);
346 extern void free_current_contents (void *);
348 extern void null_cleanup (void *);
350 extern int myread (int, char *, int);
352 extern int query (char *, ...) ATTR_FORMAT (printf
, 1, 2);
354 #if !defined (USE_MMALLOC)
355 /* NOTE: cagney/2000-03-04: The mmalloc functions need to use PTR
356 rather than void* so that they are consistent with
357 ../mmalloc/mmalloc.h. */
358 extern PTR
mcalloc (PTR
, size_t, size_t);
359 extern PTR
mmalloc (PTR
, size_t);
360 extern PTR
mrealloc (PTR
, PTR
, size_t);
361 extern void mfree (PTR
, PTR
);
364 extern void init_page_info (void);
366 extern CORE_ADDR
host_pointer_to_address (void *ptr
);
367 extern void *address_to_host_pointer (CORE_ADDR addr
);
369 /* From demangle.c */
371 extern void set_demangling_style (char *);
376 typedef int (use_struct_convention_fn
) (int gcc_p
, struct type
* value_type
);
377 extern use_struct_convention_fn generic_use_struct_convention
;
379 typedef unsigned char *(breakpoint_from_pc_fn
) (CORE_ADDR
* pcptr
, int *lenptr
);
381 /* Annotation stuff. */
383 extern int annotation_level
; /* in stack.c */
385 extern void begin_line (void);
387 extern void wrap_here (char *);
389 extern void reinitialize_more_filter (void);
392 extern struct ui_file
*gdb_stdout
;
393 /* Serious error notifications */
394 extern struct ui_file
*gdb_stderr
;
395 /* Log/debug/trace messages that should bypass normal stdout/stderr
396 filtering. For momement, always call this stream using
397 *_unfiltered. In the very near future that restriction shall be
398 removed - either call shall be unfiltered. (cagney 1999-06-13). */
399 extern struct ui_file
*gdb_stdlog
;
400 /* Target output that should bypass normal stdout/stderr filtering.
401 For momement, always call this stream using *_unfiltered. In the
402 very near future that restriction shall be removed - either call
403 shall be unfiltered. (cagney 1999-07-02). */
404 extern struct ui_file
*gdb_stdtarg
;
408 #include "tuiCommand.h"
411 #include "tuiLayout.h"
417 /* More generic printf like operations */
419 extern void fputs_filtered (const char *, struct ui_file
*);
421 extern void fputs_unfiltered (const char *, struct ui_file
*);
423 extern int fputc_filtered (int c
, struct ui_file
*);
425 extern int fputc_unfiltered (int c
, struct ui_file
*);
427 extern int putchar_unfiltered (int c
);
429 extern void puts_filtered (const char *);
431 extern void puts_unfiltered (const char *);
433 extern void puts_debug (char *prefix
, char *string
, char *suffix
);
435 extern void vprintf_filtered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
437 extern void vfprintf_filtered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
439 extern void fprintf_filtered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
441 extern void fprintfi_filtered (int, struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 3, 4);
443 extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
445 extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
447 extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf
, 1, 0);
449 extern void vfprintf_unfiltered (struct ui_file
*, const char *, va_list) ATTR_FORMAT (printf
, 2, 0);
451 extern void fprintf_unfiltered (struct ui_file
*, const char *, ...) ATTR_FORMAT (printf
, 2, 3);
453 extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
455 extern void print_spaces (int, struct ui_file
*);
457 extern void print_spaces_filtered (int, struct ui_file
*);
459 extern char *n_spaces (int);
461 extern void fputstr_filtered (const char *str
, int quotr
, struct ui_file
* stream
);
463 extern void fputstr_unfiltered (const char *str
, int quotr
, struct ui_file
* stream
);
465 extern void fputstrn_unfiltered (const char *str
, int n
, int quotr
, struct ui_file
* stream
);
467 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
468 extern void gdb_print_host_address (void *addr
, struct ui_file
*stream
);
470 /* Convert a CORE_ADDR into a HEX string. paddr() is like %08lx.
471 paddr_nz() is like %lx. paddr_u() is like %lu. paddr_width() is
473 extern int strlen_paddr (void);
474 extern char *paddr (CORE_ADDR addr
);
475 extern char *paddr_nz (CORE_ADDR addr
);
476 extern char *paddr_u (CORE_ADDR addr
);
477 extern char *paddr_d (LONGEST addr
);
479 extern char *phex (ULONGEST l
, int sizeof_l
);
480 extern char *phex_nz (ULONGEST l
, int sizeof_l
);
482 extern void fprintf_symbol_filtered (struct ui_file
*, char *,
485 extern NORETURN
void perror_with_name (char *) ATTR_NORETURN
;
487 extern void print_sys_errmsg (char *, int);
489 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
490 "const char *" in unistd.h, so we can't declare the argument
493 extern char *re_comp (const char *);
497 extern void symbol_file_command (char *, int);
499 /* Remote targets may wish to use this as their load function. */
500 extern void generic_load (char *name
, int from_tty
);
502 /* Summarise a download */
503 extern void print_transfer_performance (struct ui_file
*stream
,
504 unsigned long data_count
,
505 unsigned long write_count
,
506 unsigned long time_count
);
510 typedef void initialize_file_ftype (void);
512 extern char *skip_quoted (char *);
514 extern char *gdb_readline (char *);
516 extern char *command_line_input (char *, int, char *);
518 extern void print_prompt (void);
520 extern int input_from_terminal_p (void);
522 extern int info_verbose
;
524 /* From printcmd.c */
526 extern void set_next_address (CORE_ADDR
);
528 extern void print_address_symbolic (CORE_ADDR
, struct ui_file
*, int,
531 extern int build_address_symbolic (CORE_ADDR addr
,
539 extern void print_address_numeric (CORE_ADDR
, int, struct ui_file
*);
541 extern void print_address (CORE_ADDR
, struct ui_file
*);
545 extern int openp (char *, int, char *, int, int, char **);
547 extern int source_full_path_of (char *, char **);
549 extern void mod_path (char *, char **);
551 extern void directory_command (char *, int);
553 extern void init_source_path (void);
555 extern char *symtab_to_filename (struct symtab
*);
559 extern void exec_set_section_offsets (bfd_signed_vma text_off
,
560 bfd_signed_vma data_off
,
561 bfd_signed_vma bss_off
);
565 extern int read_relative_register_raw_bytes (int, char *);
567 /* Possible lvalue types. Like enum language, this should be in
568 value.h, but needs to be here for the same reason. */
574 /* In memory. Could be a saved register. */
578 /* In a gdb internal variable. */
580 /* Part of a gdb internal variable (structure field). */
581 lval_internalvar_component
,
582 /* In a register series in a frame not the current one, which may have been
583 partially saved or saved in different places (otherwise would be
584 lval_register or lval_memory). */
585 lval_reg_frame_relative
590 void default_get_saved_register (char *raw_buffer
, int *optimized
,
592 struct frame_info
*frame
, int regnum
,
593 enum lval_type
*lval
);
595 /* From readline (but not in any readline .h files). */
597 extern char *tilde_expand (char *);
599 /* Control types for commands */
601 enum misc_command_type
609 enum command_control_type
619 /* Structure for saved commands lines
620 (for breakpoints, defined commands, etc). */
624 struct command_line
*next
;
626 enum command_control_type control_type
;
628 struct command_line
**body_list
;
631 extern struct command_line
*read_command_lines (char *, int);
633 extern void free_command_lines (struct command_line
**);
635 /* To continue the execution commands when running gdb asynchronously.
636 A continuation structure contains a pointer to a function to be called
637 to finish the command, once the target has stopped. Such mechanism is
638 used bt the finish and until commands, and in the remote protocol
639 when opening an extended-remote connection. */
641 struct continuation_arg
643 struct continuation_arg
*next
;
644 union continuation_data
{
653 void (*continuation_hook
) (struct continuation_arg
*);
654 struct continuation_arg
*arg_list
;
655 struct continuation
*next
;
657 struct continuation continuation
;
660 extern struct continuation
*cmd_continuation
;
661 /* Used only by the step_1 function. */
662 extern struct continuation
*intermediate_continuation
;
665 extern void add_continuation (void (*)(struct continuation_arg
*),
666 struct continuation_arg
*);
667 extern void do_all_continuations (void);
668 extern void discard_all_continuations (void);
670 extern void add_intermediate_continuation (void (*)(struct continuation_arg
*),
671 struct continuation_arg
*);
672 extern void do_all_intermediate_continuations (void);
673 extern void discard_all_intermediate_continuations (void);
675 /* String containing the current directory (what getwd would return). */
677 extern char *current_directory
;
679 /* Default radixes for input and output. Only some values supported. */
680 extern unsigned input_radix
;
681 extern unsigned output_radix
;
683 /* Possibilities for prettyprint parameters to routines which print
684 things. Like enum language, this should be in value.h, but needs
685 to be here for the same reason. FIXME: If we can eliminate this
686 as an arg to LA_VAL_PRINT, then we can probably move it back to
691 Val_no_prettyprint
= 0,
693 /* Use the default setting which the user has specified. */
698 /* Host machine definition. This will be a symlink to one of the
699 xm-*.h files, built by the `configure' script. */
703 /* Native machine support. This will be a symlink to one of the
704 nm-*.h files, built by the `configure' script. */
708 /* Target machine definition. This will be a symlink to one of the
709 tm-*.h files, built by the `configure' script. */
713 /* If the xm.h file did not define the mode string used to open the
714 files, assume that binary files are opened the same way as text
717 #include "fopen-same.h"
720 /* Microsoft C can't deal with const pointers */
725 #define CONST_PTR const
729 * Allow things in gdb to be declared "volatile". If compiling ANSI, it
730 * just works. If compiling with gcc but non-ansi, redefine to __volatile__.
731 * If non-ansi, non-gcc, then eliminate "volatile" entirely, making those
732 * objects be read-write rather than read-only.
738 #define volatile __volatile__
740 #define volatile /* nothing */
743 #endif /* volatile */
745 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
746 FIXME: Assumes 2's complement arithmetic */
748 #if !defined (UINT_MAX)
749 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
752 #if !defined (INT_MAX)
753 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
756 #if !defined (INT_MIN)
757 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
760 #if !defined (ULONG_MAX)
761 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
764 #if !defined (LONG_MAX)
765 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
768 #if !defined (ULONGEST_MAX)
769 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 32-bits */
772 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 32-bits */
773 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
776 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
777 arguments to a function, number in a value history, register number, etc.)
778 where the value must not be larger than can fit in an int. */
780 extern int longest_to_int (LONGEST
);
782 /* Assorted functions we can declare, now that const and volatile are
785 extern char *savestring (const char *, int);
787 extern char *msavestring (void *, const char *, int);
789 extern char *strsave (const char *);
791 extern char *mstrsave (void *, const char *);
793 /* FIXME; was long, but this causes compile errors in msvc if already
796 extern PTR
xmmalloc (PTR
, size_t);
797 extern PTR
xmrealloc (PTR
, PTR
, size_t);
799 extern PTR
xmmalloc (PTR
, long);
800 extern PTR
xmrealloc (PTR
, PTR
, long);
803 extern int parse_escape (char **);
805 /* Message to be printed before the error message, when an error occurs. */
807 extern char *error_pre_print
;
809 /* Message to be printed before the error message, when an error occurs. */
811 extern char *quit_pre_print
;
813 /* Message to be printed before the warning message, when a warning occurs. */
815 extern char *warning_pre_print
;
817 extern NORETURN
void verror (const char *fmt
, va_list ap
) ATTR_NORETURN
;
819 extern NORETURN
void error (const char *fmt
, ...) ATTR_NORETURN
;
821 /* DEPRECATED: Use error(), verror() or error_stream(). */
822 extern NORETURN
void error_begin (void);
824 extern NORETURN
void error_stream (struct ui_file
*) ATTR_NORETURN
;
826 /* Returns a freshly allocate buffer containing the last error
828 extern char *error_last_message (void);
830 extern NORETURN
void internal_verror (const char *, va_list ap
) ATTR_NORETURN
;
832 extern NORETURN
void internal_error (char *, ...) ATTR_NORETURN
;
834 extern NORETURN
void nomem (long) ATTR_NORETURN
;
836 /* Reasons for calling return_to_top_level. Note: enum value 0 is
837 reserved for internal use as the return value from an initial
842 /* User interrupt. */
844 /* Any other error. */
848 #define ALL_CLEANUPS ((struct cleanup *)0)
850 #define RETURN_MASK(reason) (1 << (int)(reason))
851 #define RETURN_MASK_QUIT RETURN_MASK (RETURN_QUIT)
852 #define RETURN_MASK_ERROR RETURN_MASK (RETURN_ERROR)
853 #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
854 typedef int return_mask
;
856 extern NORETURN
void return_to_top_level (enum return_reason
) ATTR_NORETURN
;
858 /* If CATCH_ERRORS_FTYPE throws an error, catch_errors() returns zero
859 otherwize the result from CATCH_ERRORS_FTYPE is returned. It is
860 probably useful for CATCH_ERRORS_FTYPE to always return a non-zero
861 value. It's unfortunate that, catch_errors() does not return an
862 indication of the exact exception that it caught - quit_flag might
865 typedef int (catch_errors_ftype
) (PTR
);
866 extern int catch_errors (catch_errors_ftype
*, PTR
, char *, return_mask
);
868 /* Template to catch_errors() that wraps calls to command
871 typedef void (catch_command_errors_ftype
) (char *, int);
872 extern int catch_command_errors (catch_command_errors_ftype
*func
, char *command
, int from_tty
, return_mask
);
874 extern void warning_begin (void);
876 extern void warning (const char *, ...) ATTR_FORMAT (printf
, 1, 2);
878 /* Global functions from other, non-gdb GNU thingies.
879 Libiberty thingies are no longer declared here. We include libiberty.h
882 #ifndef GETENV_PROVIDED
883 extern char *getenv (const char *);
886 /* From other system libraries */
893 #if defined(_MSC_VER) && !defined(__cplusplus)
894 /* msvc defines these in stdlib.h for c code */
901 #define min(a, b) ((a) < (b) ? (a) : (b))
904 #define max(a, b) ((a) > (b) ? (a) : (b))
908 /* We take the address of fclose later, but some stdio's forget
909 to declare this. We can't always declare it since there's
910 no way to declare the parameters without upsetting some compiler
913 #ifndef FCLOSE_PROVIDED
914 extern int fclose (FILE *);
918 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
921 #ifndef MALLOC_INCOMPATIBLE
923 #ifdef NEED_DECLARATION_MALLOC
924 extern PTR
malloc ();
927 #ifdef NEED_DECLARATION_REALLOC
928 extern PTR
realloc ();
931 #ifdef NEED_DECLARATION_FREE
935 #endif /* MALLOC_INCOMPATIBLE */
937 /* Various possibilities for alloca. */
940 #define alloca __builtin_alloca
941 #else /* Not GNU C */
949 /* We need to be careful not to declare this in a way which conflicts with
950 bison. Bison never declares it as char *, but under various circumstances
951 (like __hpux) we need to use void *. */
952 #if defined (__STDC__) || defined (__hpux)
953 extern void *alloca ();
954 #else /* Don't use void *. */
955 extern char *alloca ();
956 #endif /* Don't use void *. */
957 #endif /* Not _AIX */
958 #endif /* Not HAVE_ALLOCA_H */
959 #endif /* Not GNU C */
960 #endif /* alloca not defined */
962 /* HOST_BYTE_ORDER must be defined to one of these. */
968 #if !defined (BIG_ENDIAN)
969 #define BIG_ENDIAN 4321
972 #if !defined (LITTLE_ENDIAN)
973 #define LITTLE_ENDIAN 1234
976 /* Dynamic target-system-dependent parameters for GDB. */
978 #if (GDB_MULTI_ARCH == 0)
979 /* Multi-arch targets _should_ be including "arch-utils.h" directly
980 into their *-tdep.c file. This is a prop to help old non-
981 multi-arch targets to continue to compile. */
982 #include "arch-utils.h"
985 /* Static target-system-dependent parameters for GDB. */
987 /* Number of bits in a char or unsigned char for the target machine.
988 Just like CHAR_BIT in <limits.h> but describes the target machine. */
989 #if !defined (TARGET_CHAR_BIT)
990 #define TARGET_CHAR_BIT 8
993 /* Number of bits in a short or unsigned short for the target machine. */
994 #if !defined (TARGET_SHORT_BIT)
995 #define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT)
998 /* Number of bits in an int or unsigned int for the target machine. */
999 #if !defined (TARGET_INT_BIT)
1000 #define TARGET_INT_BIT (4 * TARGET_CHAR_BIT)
1003 /* Number of bits in a long or unsigned long for the target machine. */
1004 #if !defined (TARGET_LONG_BIT)
1005 #define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT)
1008 /* Number of bits in a long long or unsigned long long for the target machine. */
1009 #if !defined (TARGET_LONG_LONG_BIT)
1010 #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT)
1013 /* Number of bits in a float for the target machine. */
1014 #if !defined (TARGET_FLOAT_BIT)
1015 #define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT)
1018 /* Number of bits in a double for the target machine. */
1019 #if !defined (TARGET_DOUBLE_BIT)
1020 #define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT)
1023 /* Number of bits in a long double for the target machine. */
1024 #if !defined (TARGET_LONG_DOUBLE_BIT)
1025 #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT)
1028 /* Number of bits in a pointer for the target machine */
1029 #if !defined (TARGET_PTR_BIT)
1030 #define TARGET_PTR_BIT TARGET_INT_BIT
1033 /* Number of bits in a BFD_VMA for the target object file format. */
1034 #if !defined (TARGET_BFD_VMA_BIT)
1035 #define TARGET_BFD_VMA_BIT TARGET_PTR_BIT
1038 /* If we picked up a copy of CHAR_BIT from a configuration file
1039 (which may get it by including <limits.h>) then use it to set
1040 the number of bits in a host char. If not, use the same size
1043 #if defined (CHAR_BIT)
1044 #define HOST_CHAR_BIT CHAR_BIT
1046 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1049 /* The bit byte-order has to do just with numbering of bits in
1050 debugging symbols and such. Conceptually, it's quite separate
1051 from byte/word byte order. */
1053 #if !defined (BITS_BIG_ENDIAN)
1054 #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN)
1059 extern LONGEST
extract_signed_integer (void *, int);
1061 extern ULONGEST
extract_unsigned_integer (void *, int);
1063 extern int extract_long_unsigned_integer (void *, int, LONGEST
*);
1065 extern CORE_ADDR
extract_address (void *, int);
1067 extern CORE_ADDR
extract_typed_address (void *buf
, struct type
*type
);
1069 extern void store_signed_integer (void *, int, LONGEST
);
1071 extern void store_unsigned_integer (void *, int, ULONGEST
);
1073 extern void store_address (void *, int, LONGEST
);
1075 extern void store_typed_address (void *buf
, struct type
*type
, CORE_ADDR addr
);
1077 /* Setup definitions for host and target floating point formats. We need to
1078 consider the format for `float', `double', and `long double' for both target
1079 and host. We need to do this so that we know what kind of conversions need
1080 to be done when converting target numbers to and from the hosts DOUBLEST
1083 /* This is used to indicate that we don't know the format of the floating point
1084 number. Typically, this is useful for native ports, where the actual format
1085 is irrelevant, since no conversions will be taking place. */
1087 extern const struct floatformat floatformat_unknown
;
1089 #if HOST_BYTE_ORDER == BIG_ENDIAN
1090 #ifndef HOST_FLOAT_FORMAT
1091 #define HOST_FLOAT_FORMAT &floatformat_ieee_single_big
1093 #ifndef HOST_DOUBLE_FORMAT
1094 #define HOST_DOUBLE_FORMAT &floatformat_ieee_double_big
1096 #else /* LITTLE_ENDIAN */
1097 #ifndef HOST_FLOAT_FORMAT
1098 #define HOST_FLOAT_FORMAT &floatformat_ieee_single_little
1100 #ifndef HOST_DOUBLE_FORMAT
1101 #define HOST_DOUBLE_FORMAT &floatformat_ieee_double_little
1105 #ifndef HOST_LONG_DOUBLE_FORMAT
1106 #define HOST_LONG_DOUBLE_FORMAT &floatformat_unknown
1109 /* Use `long double' if the host compiler supports it. (Note that this is not
1110 necessarily any longer than `double'. On SunOS/gcc, it's the same as
1111 double.) This is necessary because GDB internally converts all floating
1112 point values to the widest type supported by the host.
1114 There are problems however, when the target `long double' is longer than the
1115 host's `long double'. In general, we'll probably reduce the precision of
1116 any such values and print a warning. */
1118 #ifdef HAVE_LONG_DOUBLE
1119 typedef long double DOUBLEST
;
1121 typedef double DOUBLEST
;
1124 extern void floatformat_to_doublest (const struct floatformat
*,
1125 char *, DOUBLEST
*);
1126 extern void floatformat_from_doublest (const struct floatformat
*,
1127 DOUBLEST
*, char *);
1128 extern DOUBLEST
extract_floating (void *, int);
1130 extern void store_floating (void *, int, DOUBLEST
);
1132 /* On some machines there are bits in addresses which are not really
1133 part of the address, but are used by the kernel, the hardware, etc.
1134 for special purposes. ADDR_BITS_REMOVE takes out any such bits
1135 so we get a "real" address such as one would find in a symbol
1136 table. This is used only for addresses of instructions, and even then
1137 I'm not sure it's used in all contexts. It exists to deal with there
1138 being a few stray bits in the PC which would mislead us, not as some sort
1139 of generic thing to handle alignment or segmentation (it's possible it
1140 should be in TARGET_READ_PC instead). */
1141 #if !defined (ADDR_BITS_REMOVE)
1142 #define ADDR_BITS_REMOVE(addr) (addr)
1143 #endif /* No ADDR_BITS_REMOVE. */
1147 extern CORE_ADDR
push_bytes (CORE_ADDR
, char *, int);
1149 extern CORE_ADDR
push_word (CORE_ADDR
, ULONGEST
);
1151 extern int watchdog
;
1153 /* Hooks for alternate command interfaces. */
1156 /* The name of the interpreter if specified on the command line. */
1157 extern char *interpreter_p
;
1160 /* If a given interpreter matches INTERPRETER_P then it should update
1161 command_loop_hook and init_ui_hook with the per-interpreter
1163 /* FIXME: command_loop_hook and init_ui_hook should be moved here. */
1165 struct target_waitstatus
;
1166 struct cmd_list_element
;
1168 /* Should the asynchronous variant of the interpreter (using the
1169 event-loop) be enabled? */
1170 extern int event_loop_p
;
1172 extern void (*init_ui_hook
) (char *argv0
);
1173 extern void (*command_loop_hook
) (void);
1174 extern void (*show_load_progress
) (const char *section
,
1175 unsigned long section_sent
,
1176 unsigned long section_size
,
1177 unsigned long total_sent
,
1178 unsigned long total_size
);
1179 extern void (*print_frame_info_listing_hook
) (struct symtab
* s
,
1180 int line
, int stopline
,
1182 extern struct frame_info
*parse_frame_specification (char *frame_exp
);
1183 extern int (*query_hook
) (const char *, va_list);
1184 extern void (*warning_hook
) (const char *, va_list);
1185 extern void (*flush_hook
) (struct ui_file
* stream
);
1186 extern void (*create_breakpoint_hook
) (struct breakpoint
* b
);
1187 extern void (*delete_breakpoint_hook
) (struct breakpoint
* bpt
);
1188 extern void (*modify_breakpoint_hook
) (struct breakpoint
* bpt
);
1189 extern void (*interactive_hook
) (void);
1190 extern void (*registers_changed_hook
) (void);
1191 extern void (*readline_begin_hook
) (char *,...);
1192 extern char *(*readline_hook
) (char *);
1193 extern void (*readline_end_hook
) (void);
1194 extern void (*register_changed_hook
) (int regno
);
1195 extern void (*memory_changed_hook
) (CORE_ADDR addr
, int len
);
1196 extern void (*context_hook
) (int);
1197 extern int (*target_wait_hook
) (int pid
, struct target_waitstatus
* status
);
1199 extern void (*attach_hook
) (void);
1200 extern void (*detach_hook
) (void);
1201 extern void (*call_command_hook
) (struct cmd_list_element
* c
,
1202 char *cmd
, int from_tty
);
1204 extern void (*set_hook
) (struct cmd_list_element
* c
);
1206 extern NORETURN
void (*error_hook
) (void) ATTR_NORETURN
;
1208 extern void (*error_begin_hook
) (void);
1210 extern int (*ui_load_progress_hook
) (const char *section
, unsigned long num
);
1213 /* Inhibit window interface if non-zero. */
1215 extern int use_windows
;
1217 /* Symbolic definitions of filename-related things. */
1218 /* FIXME, this doesn't work very well if host and executable
1219 filesystems conventions are different. */
1221 #ifndef DIRNAME_SEPARATOR
1222 #define DIRNAME_SEPARATOR ':'
1226 #if defined(__GO32__)||defined(_WIN32)
1227 #define SLASH_P(X) ((X)=='\\')
1229 #define SLASH_P(X) ((X)=='/')
1234 #if defined(__GO32__)||defined(_WIN32)
1235 #define SLASH_CHAR '\\'
1237 #define SLASH_CHAR '/'
1241 #ifndef SLASH_STRING
1242 #if defined(__GO32__)||defined(_WIN32)
1243 #define SLASH_STRING "\\"
1245 #define SLASH_STRING "/"
1250 #define ROOTED_P(X) (SLASH_P((X)[0]))
1253 /* On some systems, PIDGET is defined to extract the inferior pid from
1254 an internal pid that has the thread id and pid in seperate bit
1255 fields. If not defined, then just use the entire internal pid as
1259 #define PIDGET(PID) (PID)
1260 #define TIDGET(PID) 0
1261 #define MERGEPID(PID, TID) (PID)
1264 /* If under Cygwin, provide backwards compatibility with older
1265 Cygwin compilers that don't define the current cpp define. */
1272 /* Define well known filenos if the system does not define them. */
1273 #ifndef STDIN_FILENO
1274 #define STDIN_FILENO 0
1276 #ifndef STDOUT_FILENO
1277 #define STDOUT_FILENO 1
1279 #ifndef STDERR_FILENO
1280 #define STDERR_FILENO 2
1283 /* If this definition isn't overridden by the header files, assume
1284 that isatty and fileno exist on this system. */
1286 #define ISATTY(FP) (isatty (fileno (FP)))
1290 /* FIXME: cagney/1999-12-13: The following will be moved to gdb.h /
1291 libgdb.h or gdblib.h. */
1293 /* Return-code (RC) from a gdb library call. (The abreviation RC is
1294 taken from the sim/common directory.) */
1297 /* The operation failed. The failure message can be fetched by
1298 calling ``char *error_last_message(void)''. The value is
1299 determined by the catch_errors() interface. */
1300 /* NOTE: Since ``defs.h:catch_errors()'' does not return an error /
1301 internal / quit indication it is not possible to return that
1304 /* No error occured but nothing happened. Due to the catch_errors()
1305 interface, this must be non-zero. */
1307 /* The operation was successful. Due to the catch_errors()
1308 interface, this must be non-zero. */
1313 /* Print the specified breakpoint on GDB_STDOUT. (Eventually this
1314 function will ``print'' the object on ``output''). */
1315 enum gdb_rc
gdb_breakpoint_query (/* struct {ui,gdb}_out *output, */ int bnum
);
1317 /* Create a breakpoint at ADDRESS (a GDB source and line). */
1318 enum gdb_rc
gdb_breakpoint (char *address
, char *condition
,
1319 int hardwareflag
, int tempflag
,
1320 int thread
, int ignore_count
);
1321 enum gdb_rc
gdb_thread_select (/* output object */ char *tidstr
);
1324 /* Print a list of known thread ids. */
1325 enum gdb_rc
gdb_list_thread_ids (/* output object */);
1327 /* Switch thread and print notification. */
1329 #endif /* #ifndef DEFS_H */