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 typedef void (*make_cleanup_func) (void *);
298 extern struct cleanup *make_cleanup (make_cleanup_func, void *);
300 extern struct cleanup *make_cleanup_freeargv (char **);
303 extern struct cleanup *make_cleanup_ui_file_delete (struct ui_file *);
305 extern struct cleanup *make_final_cleanup (make_cleanup_func, void *);
307 extern struct cleanup *make_my_cleanup (struct cleanup **,
308 make_cleanup_func, void *);
310 extern struct cleanup *make_run_cleanup (make_cleanup_func, void *);
312 extern struct cleanup *make_exec_cleanup (make_cleanup_func, void *);
313 extern struct cleanup *make_exec_error_cleanup (make_cleanup_func, void *);
315 extern struct cleanup *save_cleanups (void);
316 extern struct cleanup *save_final_cleanups (void);
317 extern struct cleanup *save_my_cleanups (struct cleanup **);
319 extern void restore_cleanups (struct cleanup *);
320 extern void restore_final_cleanups (struct cleanup *);
321 extern void restore_my_cleanups (struct cleanup **, struct cleanup *);
323 extern void free_current_contents (char **);
325 extern void null_cleanup (PTR);
327 extern int myread (int, char *, int);
329 extern int query (char *, ...) ATTR_FORMAT (printf, 1, 2);
331 #if !defined (USE_MMALLOC)
332 extern PTR mcalloc (void *, size_t, size_t);
333 extern PTR mmalloc (PTR, size_t);
334 extern PTR mrealloc (PTR, PTR, size_t);
335 extern void mfree (PTR, PTR);
338 extern void init_page_info (void);
340 /* From demangle.c */
342 extern void set_demangling_style (char *);
347 typedef int (use_struct_convention_fn) (int gcc_p, struct type * value_type);
348 extern use_struct_convention_fn generic_use_struct_convention;
350 typedef unsigned char *(breakpoint_from_pc_fn) (CORE_ADDR * pcptr, int *lenptr);
352 /* Annotation stuff. */
354 extern int annotation_level; /* in stack.c */
356 extern void begin_line (void);
358 extern void wrap_here (char *);
360 extern void reinitialize_more_filter (void);
363 extern struct ui_file *gdb_stdout;
364 /* Serious error notifications */
365 extern struct ui_file *gdb_stderr;
366 /* Log/debug/trace messages that should bypass normal stdout/stderr
367 filtering. For momement, always call this stream using
368 *_unfiltered. In the very near future that restriction shall be
369 removed - either call shall be unfiltered. (cagney 1999-06-13). */
370 extern struct ui_file *gdb_stdlog;
371 /* Target output that should bypass normal stdout/stderr filtering.
372 For momement, always call this stream using *_unfiltered. In the
373 very near future that restriction shall be removed - either call
374 shall be unfiltered. (cagney 1999-07-02). */
375 extern struct ui_file *gdb_stdtarg;
379 #include "tuiCommand.h"
382 #include "tuiLayout.h"
388 /* More generic printf like operations */
390 extern void fputs_filtered (const char *, struct ui_file *);
392 extern void fputs_unfiltered (const char *, struct ui_file *);
394 extern int fputc_filtered (int c, struct ui_file *);
396 extern int fputc_unfiltered (int c, struct ui_file *);
398 extern int putchar_unfiltered (int c);
400 extern void puts_filtered (const char *);
402 extern void puts_unfiltered (const char *);
404 extern void puts_debug (char *prefix, char *string, char *suffix);
406 extern void vprintf_filtered (const char *, va_list) ATTR_FORMAT (printf, 1, 0);
408 extern void vfprintf_filtered (struct ui_file *, const char *, va_list) ATTR_FORMAT (printf, 2, 0);
410 extern void fprintf_filtered (struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 2, 3);
412 extern void fprintfi_filtered (int, struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 3, 4);
414 extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf, 1, 2);
416 extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf, 2, 3);
418 extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf, 1, 0);
420 extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list) ATTR_FORMAT (printf, 2, 0);
422 extern void fprintf_unfiltered (struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 2, 3);
424 extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (printf, 1, 2);
426 extern void print_spaces (int, struct ui_file *);
428 extern void print_spaces_filtered (int, struct ui_file *);
430 extern char *n_spaces (int);
432 extern void fputstr_filtered (const char *str, int quotr, struct ui_file * stream);
434 extern void fputstr_unfiltered (const char *str, int quotr, struct ui_file * stream);
436 extern void fputstrn_unfiltered (const char *str, int n, int quotr, struct ui_file * stream);
438 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
439 extern void gdb_print_host_address (void *addr, struct ui_file *stream);
441 /* Convert a CORE_ADDR into a HEX string. paddr() is like %08lx.
442 paddr_nz() is like %lx. paddr_u() is like %lu. paddr_width() is
444 extern int strlen_paddr (void);
445 extern char *paddr (CORE_ADDR addr);
446 extern char *paddr_nz (CORE_ADDR addr);
447 extern char *paddr_u (CORE_ADDR addr);
448 extern char *paddr_d (LONGEST addr);
450 typedef bfd_vma t_reg;
451 extern char *preg (t_reg reg);
452 extern char *preg_nz (t_reg reg);
454 extern void fprintf_symbol_filtered (struct ui_file *, char *,
457 extern NORETURN void perror_with_name (char *) ATTR_NORETURN;
459 extern void print_sys_errmsg (char *, int);
461 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
462 "const char *" in unistd.h, so we can't declare the argument
465 extern char *re_comp (const char *);
469 extern void symbol_file_command (char *, int);
471 /* Remote targets may wish to use this as their load function. */
472 extern void generic_load (char *name, int from_tty);
474 /* Summarise a download */
475 extern void print_transfer_performance (struct ui_file *stream,
476 unsigned long data_count,
477 unsigned long write_count,
478 unsigned long time_count);
482 typedef void initialize_file_ftype (void);
484 extern char *skip_quoted (char *);
486 extern char *gdb_readline (char *);
488 extern char *command_line_input (char *, int, char *);
490 extern void print_prompt (void);
492 extern int input_from_terminal_p (void);
494 extern int info_verbose;
496 /* From printcmd.c */
498 extern void set_next_address (CORE_ADDR);
500 extern void print_address_symbolic (CORE_ADDR, struct ui_file *, int,
503 extern int build_address_symbolic (CORE_ADDR addr,
511 extern void print_address_numeric (CORE_ADDR, int, struct ui_file *);
513 extern void print_address (CORE_ADDR, struct ui_file *);
517 extern int openp (char *, int, char *, int, int, char **);
519 extern int source_full_path_of (char *, char **);
521 extern void mod_path (char *, char **);
523 extern void directory_command (char *, int);
525 extern void init_source_path (void);
527 extern char *symtab_to_filename (struct symtab *);
531 extern void exec_set_section_offsets (bfd_signed_vma text_off,
532 bfd_signed_vma data_off,
533 bfd_signed_vma bss_off);
537 extern int read_relative_register_raw_bytes (int, char *);
539 /* Possible lvalue types. Like enum language, this should be in
540 value.h, but needs to be here for the same reason. */
546 /* In memory. Could be a saved register. */
550 /* In a gdb internal variable. */
552 /* Part of a gdb internal variable (structure field). */
553 lval_internalvar_component,
554 /* In a register series in a frame not the current one, which may have been
555 partially saved or saved in different places (otherwise would be
556 lval_register or lval_memory). */
557 lval_reg_frame_relative
562 void default_get_saved_register (char *raw_buffer, int *optimized,
564 struct frame_info *frame, int regnum,
565 enum lval_type *lval);
567 /* From readline (but not in any readline .h files). */
569 extern char *tilde_expand (char *);
571 /* Control types for commands */
573 enum misc_command_type
581 enum command_control_type
591 /* Structure for saved commands lines
592 (for breakpoints, defined commands, etc). */
596 struct command_line *next;
598 enum command_control_type control_type;
600 struct command_line **body_list;
603 extern struct command_line *read_command_lines (char *, int);
605 extern void free_command_lines (struct command_line **);
607 /* To continue the execution commands when running gdb asynchronously.
608 A continuation structure contains a pointer to a function to be called
609 to finish the command, once the target has stopped. Such mechanism is
610 used bt the finish and until commands, and in the remote protocol
611 when opening an extended-remote connection. */
613 struct continuation_arg
615 struct continuation_arg *next;
621 void (*continuation_hook) (struct continuation_arg *);
622 struct continuation_arg *arg_list;
623 struct continuation *next;
625 struct continuation continuation;
628 extern struct continuation *cmd_continuation;
629 /* Used only by the step_1 function. */
630 extern struct continuation *intermediate_continuation;
633 extern void add_continuation (void (*)(struct continuation_arg *),
634 struct continuation_arg *);
635 extern void do_all_continuations (void);
636 extern void discard_all_continuations (void);
638 extern void add_intermediate_continuation (void (*)(struct continuation_arg *),
639 struct continuation_arg *);
640 extern void do_all_intermediate_continuations (void);
641 extern void discard_all_intermediate_continuations (void);
643 /* String containing the current directory (what getwd would return). */
645 extern char *current_directory;
647 /* Default radixes for input and output. Only some values supported. */
648 extern unsigned input_radix;
649 extern unsigned output_radix;
651 /* Possibilities for prettyprint parameters to routines which print
652 things. Like enum language, this should be in value.h, but needs
653 to be here for the same reason. FIXME: If we can eliminate this
654 as an arg to LA_VAL_PRINT, then we can probably move it back to
659 Val_no_prettyprint = 0,
661 /* Use the default setting which the user has specified. */
666 /* Host machine definition. This will be a symlink to one of the
667 xm-*.h files, built by the `configure' script. */
671 /* Native machine support. This will be a symlink to one of the
672 nm-*.h files, built by the `configure' script. */
676 /* Target machine definition. This will be a symlink to one of the
677 tm-*.h files, built by the `configure' script. */
681 /* If the xm.h file did not define the mode string used to open the
682 files, assume that binary files are opened the same way as text
685 #include "fopen-same.h"
688 /* Microsoft C can't deal with const pointers */
693 #define CONST_PTR const
697 * Allow things in gdb to be declared "volatile". If compiling ANSI, it
698 * just works. If compiling with gcc but non-ansi, redefine to __volatile__.
699 * If non-ansi, non-gcc, then eliminate "volatile" entirely, making those
700 * objects be read-write rather than read-only.
706 #define volatile __volatile__
708 #define volatile /* nothing */
711 #endif /* volatile */
713 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
714 FIXME: Assumes 2's complement arithmetic */
716 #if !defined (UINT_MAX)
717 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
720 #if !defined (INT_MAX)
721 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
724 #if !defined (INT_MIN)
725 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
728 #if !defined (ULONG_MAX)
729 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
732 #if !defined (LONG_MAX)
733 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
736 #if !defined (ULONGEST_MAX)
737 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 32-bits */
740 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 32-bits */
741 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
744 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
745 arguments to a function, number in a value history, register number, etc.)
746 where the value must not be larger than can fit in an int. */
748 extern int longest_to_int (LONGEST);
750 /* Assorted functions we can declare, now that const and volatile are
753 extern char *savestring (const char *, int);
755 extern char *msavestring (void *, const char *, int);
757 extern char *strsave (const char *);
759 extern char *mstrsave (void *, const char *);
761 /* FIXME; was long, but this causes compile errors in msvc if already
764 extern PTR xmmalloc (PTR, size_t);
765 extern PTR xmrealloc (PTR, PTR, size_t);
767 extern PTR xmmalloc (PTR, long);
768 extern PTR xmrealloc (PTR, PTR, long);
771 extern int parse_escape (char **);
773 /* Message to be printed before the error message, when an error occurs. */
775 extern char *error_pre_print;
777 /* Message to be printed before the error message, when an error occurs. */
779 extern char *quit_pre_print;
781 /* Message to be printed before the warning message, when a warning occurs. */
783 extern char *warning_pre_print;
785 extern NORETURN void verror (const char *fmt, va_list ap) ATTR_NORETURN;
787 extern NORETURN void error (const char *fmt, ...) ATTR_NORETURN;
789 /* DEPRECATED: Use error(), verror() or error_stream(). */
790 extern NORETURN void error_begin (void);
792 extern NORETURN void error_stream (struct ui_file *) ATTR_NORETURN;
794 /* Returns a freshly allocate buffer containing the last error
796 extern char *error_last_message (void);
798 extern NORETURN void internal_verror (const char *, va_list ap) ATTR_NORETURN;
800 extern NORETURN void internal_error (char *, ...) ATTR_NORETURN;
802 extern NORETURN void nomem (long) ATTR_NORETURN;
804 /* Reasons for calling return_to_top_level. */
808 /* User interrupt. */
810 /* Any other error. */
814 #define ALL_CLEANUPS ((struct cleanup *)0)
816 #define RETURN_MASK_QUIT (1 << (int)RETURN_QUIT)
817 #define RETURN_MASK_ERROR (1 << (int)RETURN_ERROR)
818 #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
819 typedef int return_mask;
821 extern NORETURN void return_to_top_level (enum return_reason) ATTR_NORETURN;
823 /* If CATCH_ERRORS_FTYPE throws an error, catch_errors() returns zero
824 otherwize the result from CATCH_ERRORS_FTYPE is returned. It is
825 probably useful for CATCH_ERRORS_FTYPE to always return a non-zero
826 value. It's unfortunate that, catch_errors() does not return an
827 indication of the exact exception that it caught - quit_flag might
830 typedef int (catch_errors_ftype) (PTR);
831 extern int catch_errors (catch_errors_ftype *, PTR, char *, return_mask);
833 /* Template to catch_errors() that wraps calls to command
836 typedef void (catch_command_errors_ftype) (char *, int);
837 extern int catch_command_errors (catch_command_errors_ftype *func, char *command, int from_tty, return_mask);
839 extern void warning_begin (void);
841 extern void warning (const char *, ...) ATTR_FORMAT (printf, 1, 2);
843 /* Global functions from other, non-gdb GNU thingies.
844 Libiberty thingies are no longer declared here. We include libiberty.h
847 #ifndef GETENV_PROVIDED
848 extern char *getenv (const char *);
851 /* From other system libraries */
858 #if defined(_MSC_VER) && !defined(__cplusplus)
859 /* msvc defines these in stdlib.h for c code */
866 #define min(a, b) ((a) < (b) ? (a) : (b))
869 #define max(a, b) ((a) > (b) ? (a) : (b))
873 /* We take the address of fclose later, but some stdio's forget
874 to declare this. We can't always declare it since there's
875 no way to declare the parameters without upsetting some compiler
878 #ifndef FCLOSE_PROVIDED
879 extern int fclose (FILE *);
883 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
886 #ifndef MALLOC_INCOMPATIBLE
888 #ifdef NEED_DECLARATION_MALLOC
889 extern PTR malloc ();
892 #ifdef NEED_DECLARATION_REALLOC
893 extern PTR realloc ();
896 #ifdef NEED_DECLARATION_FREE
900 #endif /* MALLOC_INCOMPATIBLE */
902 /* Various possibilities for alloca. */
905 #define alloca __builtin_alloca
906 #else /* Not GNU C */
914 /* We need to be careful not to declare this in a way which conflicts with
915 bison. Bison never declares it as char *, but under various circumstances
916 (like __hpux) we need to use void *. */
917 #if defined (__STDC__) || defined (__hpux)
918 extern void *alloca ();
919 #else /* Don't use void *. */
920 extern char *alloca ();
921 #endif /* Don't use void *. */
922 #endif /* Not _AIX */
923 #endif /* Not HAVE_ALLOCA_H */
924 #endif /* Not GNU C */
925 #endif /* alloca not defined */
927 /* HOST_BYTE_ORDER must be defined to one of these. */
933 #if !defined (BIG_ENDIAN)
934 #define BIG_ENDIAN 4321
937 #if !defined (LITTLE_ENDIAN)
938 #define LITTLE_ENDIAN 1234
941 /* Dynamic target-system-dependent parameters for GDB. */
944 /* Static target-system-dependent parameters for GDB. */
946 /* Number of bits in a char or unsigned char for the target machine.
947 Just like CHAR_BIT in <limits.h> but describes the target machine. */
948 #if !defined (TARGET_CHAR_BIT)
949 #define TARGET_CHAR_BIT 8
952 /* Number of bits in a short or unsigned short for the target machine. */
953 #if !defined (TARGET_SHORT_BIT)
954 #define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT)
957 /* Number of bits in an int or unsigned int for the target machine. */
958 #if !defined (TARGET_INT_BIT)
959 #define TARGET_INT_BIT (4 * TARGET_CHAR_BIT)
962 /* Number of bits in a long or unsigned long for the target machine. */
963 #if !defined (TARGET_LONG_BIT)
964 #define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT)
967 /* Number of bits in a long long or unsigned long long for the target machine. */
968 #if !defined (TARGET_LONG_LONG_BIT)
969 #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT)
972 /* Number of bits in a float for the target machine. */
973 #if !defined (TARGET_FLOAT_BIT)
974 #define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT)
977 /* Number of bits in a double for the target machine. */
978 #if !defined (TARGET_DOUBLE_BIT)
979 #define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT)
982 /* Number of bits in a long double for the target machine. */
983 #if !defined (TARGET_LONG_DOUBLE_BIT)
984 #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT)
987 /* Number of bits in a pointer for the target machine */
988 #if !defined (TARGET_PTR_BIT)
989 #define TARGET_PTR_BIT TARGET_INT_BIT
992 /* Number of bits in a BFD_VMA for the target object file format. */
993 #if !defined (TARGET_BFD_VMA_BIT)
994 #define TARGET_BFD_VMA_BIT TARGET_PTR_BIT
997 /* If we picked up a copy of CHAR_BIT from a configuration file
998 (which may get it by including <limits.h>) then use it to set
999 the number of bits in a host char. If not, use the same size
1002 #if defined (CHAR_BIT)
1003 #define HOST_CHAR_BIT CHAR_BIT
1005 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1008 /* The bit byte-order has to do just with numbering of bits in
1009 debugging symbols and such. Conceptually, it's quite separate
1010 from byte/word byte order. */
1012 #if !defined (BITS_BIG_ENDIAN)
1013 #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN)
1018 extern LONGEST extract_signed_integer (void *, int);
1020 extern ULONGEST extract_unsigned_integer (void *, int);
1022 extern int extract_long_unsigned_integer (void *, int, LONGEST *);
1024 extern CORE_ADDR extract_address (void *, int);
1026 extern void store_signed_integer (PTR, int, LONGEST);
1028 extern void store_unsigned_integer (PTR, int, ULONGEST);
1030 extern void store_address (PTR, int, LONGEST);
1032 /* Setup definitions for host and target floating point formats. We need to
1033 consider the format for `float', `double', and `long double' for both target
1034 and host. We need to do this so that we know what kind of conversions need
1035 to be done when converting target numbers to and from the hosts DOUBLEST
1038 /* This is used to indicate that we don't know the format of the floating point
1039 number. Typically, this is useful for native ports, where the actual format
1040 is irrelevant, since no conversions will be taking place. */
1042 extern const struct floatformat floatformat_unknown;
1044 #if HOST_BYTE_ORDER == BIG_ENDIAN
1045 #ifndef HOST_FLOAT_FORMAT
1046 #define HOST_FLOAT_FORMAT &floatformat_ieee_single_big
1048 #ifndef HOST_DOUBLE_FORMAT
1049 #define HOST_DOUBLE_FORMAT &floatformat_ieee_double_big
1051 #else /* LITTLE_ENDIAN */
1052 #ifndef HOST_FLOAT_FORMAT
1053 #define HOST_FLOAT_FORMAT &floatformat_ieee_single_little
1055 #ifndef HOST_DOUBLE_FORMAT
1056 #define HOST_DOUBLE_FORMAT &floatformat_ieee_double_little
1060 #ifndef HOST_LONG_DOUBLE_FORMAT
1061 #define HOST_LONG_DOUBLE_FORMAT &floatformat_unknown
1064 #ifndef TARGET_FLOAT_FORMAT
1065 #define TARGET_FLOAT_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \
1066 ? &floatformat_ieee_single_big \
1067 : &floatformat_ieee_single_little)
1069 #ifndef TARGET_DOUBLE_FORMAT
1070 #define TARGET_DOUBLE_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \
1071 ? &floatformat_ieee_double_big \
1072 : &floatformat_ieee_double_little)
1075 #ifndef TARGET_LONG_DOUBLE_FORMAT
1076 #define TARGET_LONG_DOUBLE_FORMAT &floatformat_unknown
1079 /* Use `long double' if the host compiler supports it. (Note that this is not
1080 necessarily any longer than `double'. On SunOS/gcc, it's the same as
1081 double.) This is necessary because GDB internally converts all floating
1082 point values to the widest type supported by the host.
1084 There are problems however, when the target `long double' is longer than the
1085 host's `long double'. In general, we'll probably reduce the precision of
1086 any such values and print a warning. */
1088 #ifdef HAVE_LONG_DOUBLE
1089 typedef long double DOUBLEST;
1091 typedef double DOUBLEST;
1094 extern void floatformat_to_doublest (const struct floatformat *,
1095 char *, DOUBLEST *);
1096 extern void floatformat_from_doublest (const struct floatformat *,
1097 DOUBLEST *, char *);
1098 extern DOUBLEST extract_floating (void *, int);
1100 extern void store_floating (void *, int, DOUBLEST);
1102 /* On some machines there are bits in addresses which are not really
1103 part of the address, but are used by the kernel, the hardware, etc.
1104 for special purposes. ADDR_BITS_REMOVE takes out any such bits
1105 so we get a "real" address such as one would find in a symbol
1106 table. This is used only for addresses of instructions, and even then
1107 I'm not sure it's used in all contexts. It exists to deal with there
1108 being a few stray bits in the PC which would mislead us, not as some sort
1109 of generic thing to handle alignment or segmentation (it's possible it
1110 should be in TARGET_READ_PC instead). */
1111 #if !defined (ADDR_BITS_REMOVE)
1112 #define ADDR_BITS_REMOVE(addr) (addr)
1113 #endif /* No ADDR_BITS_REMOVE. */
1117 extern CORE_ADDR push_bytes (CORE_ADDR, char *, int);
1119 extern CORE_ADDR push_word (CORE_ADDR, ULONGEST);
1121 extern int watchdog;
1123 /* Hooks for alternate command interfaces. */
1125 struct target_waitstatus;
1126 struct cmd_list_element;
1128 /* Should the asynchronous variant of the interpreter (using the
1129 event-loop) be enabled? */
1130 extern int event_loop_p;
1132 extern void (*init_ui_hook) (char *argv0);
1133 extern void (*command_loop_hook) (void);
1134 extern void (*show_load_progress) (const char *section,
1135 unsigned long section_sent,
1136 unsigned long section_size,
1137 unsigned long total_sent,
1138 unsigned long total_size);
1139 extern void (*print_frame_info_listing_hook) (struct symtab * s,
1140 int line, int stopline,
1142 extern struct frame_info *parse_frame_specification (char *frame_exp);
1143 extern int (*query_hook) (const char *, va_list);
1144 extern void (*warning_hook) (const char *, va_list);
1145 extern void (*flush_hook) (struct ui_file * stream);
1146 extern void (*create_breakpoint_hook) (struct breakpoint * b);
1147 extern void (*delete_breakpoint_hook) (struct breakpoint * bpt);
1148 extern void (*modify_breakpoint_hook) (struct breakpoint * bpt);
1149 extern void (*interactive_hook) (void);
1150 extern void (*registers_changed_hook) (void);
1151 extern void (*readline_begin_hook) (char *,...);
1152 extern char *(*readline_hook) (char *);
1153 extern void (*readline_end_hook) (void);
1154 extern void (*register_changed_hook) (int regno);
1155 extern void (*memory_changed_hook) (CORE_ADDR addr, int len);
1156 extern void (*context_hook) (int);
1157 extern int (*target_wait_hook) (int pid, struct target_waitstatus * status);
1159 extern void (*attach_hook) (void);
1160 extern void (*detach_hook) (void);
1161 extern void (*call_command_hook) (struct cmd_list_element * c,
1162 char *cmd, int from_tty);
1164 extern void (*set_hook) (struct cmd_list_element * c);
1166 extern NORETURN void (*error_hook) (void) ATTR_NORETURN;
1168 extern void (*error_begin_hook) (void);
1170 extern int (*ui_load_progress_hook) (const char *section, unsigned long num);
1173 /* Inhibit window interface if non-zero. */
1175 extern int use_windows;
1177 /* Symbolic definitions of filename-related things. */
1178 /* FIXME, this doesn't work very well if host and executable
1179 filesystems conventions are different. */
1181 #ifndef DIRNAME_SEPARATOR
1182 #define DIRNAME_SEPARATOR ':'
1186 #if defined(__GO32__)||defined(_WIN32)
1187 #define SLASH_P(X) ((X)=='\\')
1189 #define SLASH_P(X) ((X)=='/')
1194 #if defined(__GO32__)||defined(_WIN32)
1195 #define SLASH_CHAR '\\'
1197 #define SLASH_CHAR '/'
1201 #ifndef SLASH_STRING
1202 #if defined(__GO32__)||defined(_WIN32)
1203 #define SLASH_STRING "\\"
1205 #define SLASH_STRING "/"
1210 #define ROOTED_P(X) (SLASH_P((X)[0]))
1213 /* On some systems, PIDGET is defined to extract the inferior pid from
1214 an internal pid that has the thread id and pid in seperate bit
1215 fields. If not defined, then just use the entire internal pid as
1219 #define PIDGET(PID) (PID)
1220 #define TIDGET(PID) 0
1221 #define MERGEPID(PID, TID) (PID)
1224 /* If under Cygwin, provide backwards compatibility with older
1225 Cygwin compilers that don't define the current cpp define. */
1232 /* Define well known filenos if the system does not define them. */
1233 #ifndef STDIN_FILENO
1234 #define STDIN_FILENO 0
1236 #ifndef STDOUT_FILENO
1237 #define STDOUT_FILENO 1
1239 #ifndef STDERR_FILENO
1240 #define STDERR_FILENO 2
1243 /* If this definition isn't overridden by the header files, assume
1244 that isatty and fileno exist on this system. */
1246 #define ISATTY(FP) (isatty (fileno (FP)))
1250 /* FIXME: cagney/1999-12-13: The following will be moved to gdb.h /
1251 libgdb.h or gdblib.h. */
1253 /* Return-code (RC) from a gdb library call. (The abreviation RC is
1254 taken from the sim/common directory.) */
1257 /* The operation failed. The failure message can be fetched by
1258 calling ``char *error_last_message(void)''. The value is
1259 determined by the catch_errors() interface. */
1260 /* NOTE: Since ``defs.h:catch_errors()'' does not return an error /
1261 internal / quit indication it is not possible to return that
1264 /* No error occured but nothing happened. Due to the catch_errors()
1265 interface, this must be non-zero. */
1267 /* The operation was successful. Due to the catch_errors()
1268 interface, this must be non-zero. */
1273 /* Print the specified breakpoint on GDB_STDOUT. (Eventually this
1274 function will ``print'' the object on ``output''). */
1275 enum gdb_rc gdb_breakpoint_query (/* struct {ui,gdb}_out *output, */ int bnum);
1277 /* Create a breakpoint at ADDRESS (a GDB source and line). */
1278 enum gdb_rc gdb_breakpoint (char *address, char *condition,
1279 int hardwareflag, int tempflag,
1280 int thread, int ignore_count);
1281 enum gdb_rc gdb_thread_select (/* output object */ char *tidstr);
1284 /* Print a list of known thread ids. */
1285 enum gdb_rc gdb_list_thread_ids (/* output object */);
1287 /* Switch thread and print notification. */
1289 #endif /* #ifndef DEFS_H */