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, 89, 91, 92, 93, 94, 95, 96, 1998
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, Boston, MA 02111-1307, USA. */
25 #include "config.h" /* Generated by configure */
27 #include <errno.h> /* System call error return status */
33 # include <sys/types.h> /* for size_t */
36 /* Just in case they're not defined in stdio.h. */
45 /* First include ansidecl.h so we can use the various macro definitions
46 here and in all subsequent file inclusions. */
50 #ifdef ANSI_PROTOTYPES
56 #include "libiberty.h"
58 /* libiberty.h can't declare this one, but evidently we can. */
59 extern char *strsignal PARAMS ((int));
67 /* For BFD64 and bfd_vma. */
70 /* An address in the program being debugged. Host byte order. Rather
71 than duplicate all the logic in BFD which figures out what type
72 this is (long, long long, etc.) and whether it needs to be 64
73 bits (the host/target interactions are subtle), we just use
76 typedef bfd_vma CORE_ADDR;
78 extern int core_addr_lessthan PARAMS ((CORE_ADDR lhs, CORE_ADDR rhs));
79 extern int core_addr_greaterthan PARAMS ((CORE_ADDR lhs, CORE_ADDR rhs));
83 #define min(a, b) ((a) < (b) ? (a) : (b))
86 #define max(a, b) ((a) > (b) ? (a) : (b))
89 /* Gdb does *lots* of string compares. Use macros to speed them up by
90 avoiding function calls if the first characters are not the same. */
92 #define STRCMP(a,b) (*(a) == *(b) ? strcmp ((a), (b)) : (int)*(a) - (int)*(b))
93 #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0)
94 #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0)
96 /* The character GNU C++ uses to build identifiers that must be unique from
97 the program's identifiers (such as $this and $$vptr). */
98 #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */
100 /* Check if a character is one of the commonly used C++ marker characters. */
101 extern int is_cplus_marker PARAMS ((int));
103 /* use tui interface if non-zero */
104 extern int tui_version;
107 /* all invocations of TUIDO should have two sets of parens */
108 #define TUIDO(x) tuiDo x
113 /* enable xdb commands if set */
114 extern int xdb_commands;
116 /* enable dbx commands if set */
117 extern int dbx_commands;
119 extern int quit_flag;
120 extern int immediate_quit;
121 extern int sevenbit_strings;
123 extern void quit PARAMS ((void));
126 /* do twice to force compiler warning */
127 #define QUIT_FIXME "FIXME"
128 #define QUIT_FIXME "ignoring redefinition of QUIT"
131 if (quit_flag) quit (); \
132 if (interactive_hook) interactive_hook (); \
137 /* Command classes are top-level categories into which commands are broken
138 down for "help" purposes.
139 Notes on classes: class_alias is for alias commands which are not
140 abbreviations of the original command. class-pseudo is for commands
141 which are not really commands nor help topics ("stop"). */
145 /* Special args to help_list */
146 all_classes = -2, all_commands = -1,
147 /* Classes of commands */
148 no_class = -1, class_run = 0, class_vars, class_stack,
149 class_files, class_support, class_info, class_breakpoint, class_trace,
150 class_alias, class_obscure, class_user, class_maintenance,
151 class_pseudo, class_tui, class_xdb
154 /* Languages represented in the symbol table and elsewhere.
155 This should probably be in language.h, but since enum's can't
156 be forward declared to satisfy opaque references before their
157 actual definition, needs to be here. */
161 language_unknown, /* Language not known */
162 language_auto, /* Placeholder for automatic setting */
164 language_cplus, /* C++ */
165 language_java, /* Java */
166 language_chill, /* Chill */
167 language_fortran, /* Fortran */
168 language_m2, /* Modula-2 */
169 language_asm, /* Assembly language */
170 language_scm /* Scheme / Guile */
177 unspecified_precision
180 /* the cleanup list records things that have to be undone
181 if an error happens (descriptors to be closed, memory to be freed, etc.)
182 Each link in the chain records a function to call and an
185 Use make_cleanup to add an element to the cleanup chain.
186 Use do_cleanups to do all cleanup actions back to a given
187 point in the chain. Use discard_cleanups to remove cleanups
188 from the chain back to a given point, not doing them. */
192 struct cleanup *next;
193 void (*function) PARAMS ((PTR));
198 /* The ability to declare that a function never returns is useful, but
199 not really required to compile GDB successfully, so the NORETURN and
200 ATTR_NORETURN macros normally expand into nothing. */
202 /* If compiling with older versions of GCC, a function may be declared
203 "volatile" to indicate that it does not return. */
206 # if defined(__GNUC__) \
207 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
208 # define NORETURN volatile
210 # define NORETURN /* nothing */
214 /* GCC 2.5 and later versions define a function attribute "noreturn",
215 which is the preferred way to declare that a function never returns.
216 However GCC 2.7 appears to be the first version in which this fully
217 works everywhere we use it. */
219 #ifndef ATTR_NORETURN
220 # if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 7
221 # define ATTR_NORETURN __attribute__ ((noreturn))
223 # define ATTR_NORETURN /* nothing */
228 # if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 4 && defined (__ANSI_PROTOTYPES)
229 # define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
231 # define ATTR_FORMAT(type, x, y) /* nothing */
235 /* Needed for various prototypes */
242 /* From blockframe.c */
244 extern int inside_entry_func PARAMS ((CORE_ADDR));
246 extern int inside_entry_file PARAMS ((CORE_ADDR addr));
248 extern int inside_main_func PARAMS ((CORE_ADDR pc));
250 /* From ch-lang.c, for the moment. (FIXME) */
252 extern char *chill_demangle PARAMS ((const char *));
256 extern void initialize_utils PARAMS ((void));
258 extern void notice_quit PARAMS ((void));
260 extern int strcmp_iw PARAMS ((const char *, const char *));
262 extern int subset_compare PARAMS ((char *, char *));
264 extern char *safe_strerror PARAMS ((int));
266 extern char *safe_strsignal PARAMS ((int));
268 extern void init_malloc PARAMS ((void *));
270 extern void request_quit PARAMS ((int));
272 extern void do_cleanups PARAMS ((struct cleanup *));
273 extern void do_final_cleanups PARAMS ((struct cleanup *));
274 extern void do_my_cleanups PARAMS ((struct cleanup **, struct cleanup *));
275 extern void do_run_cleanups PARAMS ((struct cleanup *));
276 extern void do_exec_cleanups PARAMS ((struct cleanup *));
278 extern void discard_cleanups PARAMS ((struct cleanup *));
279 extern void discard_final_cleanups PARAMS ((struct cleanup *));
280 extern void discard_my_cleanups PARAMS ((struct cleanup **, struct cleanup *));
282 typedef void (*make_cleanup_func) PARAMS ((void *));
284 extern struct cleanup *make_cleanup PARAMS ((make_cleanup_func, void *));
286 extern struct cleanup *make_cleanup_freeargv PARAMS ((char **));
288 extern struct cleanup *make_final_cleanup PARAMS ((make_cleanup_func, void *));
290 extern struct cleanup *make_my_cleanup PARAMS ((struct cleanup **,
291 make_cleanup_func, void *));
293 extern struct cleanup *make_run_cleanup PARAMS ((make_cleanup_func, void *));
295 extern struct cleanup *make_exec_cleanup PARAMS ((make_cleanup_func, void *));
297 extern struct cleanup *save_cleanups PARAMS ((void));
298 extern struct cleanup *save_final_cleanups PARAMS ((void));
299 extern struct cleanup *save_my_cleanups PARAMS ((struct cleanup **));
301 extern void restore_cleanups PARAMS ((struct cleanup *));
302 extern void restore_final_cleanups PARAMS ((struct cleanup *));
303 extern void restore_my_cleanups PARAMS ((struct cleanup **, struct cleanup *));
305 extern void free_current_contents PARAMS ((char **));
307 extern void null_cleanup PARAMS ((PTR));
309 extern int myread PARAMS ((int, char *, int));
311 extern int query PARAMS((char *, ...))
312 ATTR_FORMAT(printf, 1, 2);
314 #if !defined (USE_MMALLOC)
315 extern PTR mmalloc PARAMS ((PTR, size_t));
316 extern PTR mrealloc PARAMS ((PTR, PTR, size_t));
317 extern void mfree PARAMS ((PTR, PTR));
320 extern void init_page_info PARAMS ((void));
322 /* From demangle.c */
324 extern void set_demangling_style PARAMS ((char *));
329 typedef int (use_struct_convention_fn) PARAMS ((int gcc_p, struct type *value_type));
330 extern use_struct_convention_fn generic_use_struct_convention;
332 typedef unsigned char *(breakpoint_from_pc_fn) PARAMS ((CORE_ADDR *pcptr, int *lenptr));
336 /* Annotation stuff. */
338 extern int annotation_level; /* in stack.c */
340 extern void begin_line PARAMS ((void));
342 extern void wrap_here PARAMS ((char *));
344 extern void reinitialize_more_filter PARAMS ((void));
357 enum streamtype ts_streamtype;
364 typedef struct gdb_file GDB_FILE; /* deprecated */
367 extern GDB_FILE *gdb_stdout;
368 /* Serious error notifications */
369 extern GDB_FILE *gdb_stderr;
370 /* Log/debug/trace messages that should bypass normal stdout/stderr
371 filtering. For momement, always call this stream using
372 *_unfiltered. In the very near future that restriction shall be
373 removed - either call shall be unfiltered. (cagney 1999-06-13). */
374 extern GDB_FILE *gdb_stdlog;
375 /* Target output that should bypass normal stdout/stderr filtering.
376 For momement, always call this stream using *_unfiltered. In the
377 very near future that restriction shall be removed - either call
378 shall be unfiltered. (cagney 1999-07-02). */
379 extern GDB_FILE *gdb_stdtarg;
383 #include "tuiCommand.h"
386 #include "tuiLayout.h"
390 /* Create a new gdb_file with the specified methods. */
392 typedef void (gdb_file_flush_ftype) PARAMS ((struct gdb_file *stream));
393 extern void set_gdb_file_flush PARAMS ((struct gdb_file *stream, gdb_file_flush_ftype *flush));
395 typedef void (gdb_file_fputs_ftype) PARAMS ((const char *, struct gdb_file *stream));
396 extern void set_gdb_file_fputs PARAMS ((struct gdb_file *stream, gdb_file_fputs_ftype *fputs));
398 typedef int (gdb_file_isatty_ftype) PARAMS ((struct gdb_file *stream));
399 extern void set_gdb_file_isatty PARAMS ((struct gdb_file *stream, gdb_file_isatty_ftype *isatty));
401 typedef void (gdb_file_rewind_ftype) PARAMS ((struct gdb_file *stream));
402 extern void set_gdb_file_rewind PARAMS ((struct gdb_file *stream, gdb_file_rewind_ftype *rewind));
404 typedef void (gdb_file_put_ftype) PARAMS ((struct gdb_file *stream, struct gdb_file *dest));
405 extern void set_gdb_file_put PARAMS ((struct gdb_file *stream, gdb_file_put_ftype *put));
407 typedef void (gdb_file_delete_ftype) PARAMS ((struct gdb_file *stream));
408 extern void set_gdb_file_data PARAMS ((struct gdb_file *stream, void *data, gdb_file_delete_ftype *delete));
410 extern struct gdb_file *gdb_file_new PARAMS ((void));
412 extern void gdb_file_delete PARAMS ((struct gdb_file *stream));
414 extern void gdb_file_rewind PARAMS ((struct gdb_file *stream));
416 /* NOTE: copies left to right */
417 extern void gdb_file_put PARAMS ((struct gdb_file *src, struct gdb_file *dest));
419 extern void *gdb_file_data PARAMS ((struct gdb_file *file));
421 /* Open the specified FILE as a gdb_file. */
422 extern struct gdb_file *stdio_fileopen PARAMS ((FILE *));
423 /* #if defined (TUI) */
424 extern struct gdb_file *tui_fileopen PARAMS ((FILE *));
427 /* deprecated - use gdb_file_delete */
428 extern void gdb_fclose PARAMS ((GDB_FILE **));
430 extern void gdb_flush PARAMS ((GDB_FILE *));
432 extern GDB_FILE *gdb_fopen PARAMS ((char * name, char * mode));
434 extern void fputs_filtered PARAMS ((const char *, GDB_FILE *));
436 extern void fputs_unfiltered PARAMS ((const char *, GDB_FILE *));
438 extern int fputc_filtered PARAMS ((int c, GDB_FILE *));
440 extern int fputc_unfiltered PARAMS ((int c, GDB_FILE *));
442 extern int putchar_unfiltered PARAMS ((int c));
444 extern void puts_filtered PARAMS ((const char *));
446 extern void puts_unfiltered PARAMS ((const char *));
448 extern void puts_debug PARAMS ((char *prefix, char *string, char *suffix));
450 extern void vprintf_filtered PARAMS ((const char *, va_list))
451 ATTR_FORMAT(printf, 1, 0);
453 extern void vfprintf_filtered PARAMS ((GDB_FILE *, const char *, va_list))
454 ATTR_FORMAT(printf, 2, 0);
456 extern void fprintf_filtered PARAMS ((GDB_FILE *, const char *, ...))
457 ATTR_FORMAT(printf, 2, 3);
459 extern void fprintfi_filtered PARAMS ((int, GDB_FILE *, const char *, ...))
460 ATTR_FORMAT(printf, 3, 4);
462 extern void printf_filtered PARAMS ((const char *, ...))
463 ATTR_FORMAT(printf, 1, 2);
465 extern void printfi_filtered PARAMS ((int, const char *, ...))
466 ATTR_FORMAT(printf, 2, 3);
468 extern void vprintf_unfiltered PARAMS ((const char *, va_list))
469 ATTR_FORMAT(printf, 1, 0);
471 extern void vfprintf_unfiltered PARAMS ((GDB_FILE *, const char *, va_list))
472 ATTR_FORMAT(printf, 2, 0);
474 extern void fprintf_unfiltered PARAMS ((GDB_FILE *, const char *, ...))
475 ATTR_FORMAT(printf, 2, 3);
477 extern void printf_unfiltered PARAMS ((const char *, ...))
478 ATTR_FORMAT(printf, 1, 2);
480 extern int gdb_file_isatty PARAMS ((GDB_FILE *));
482 /* #if defined (TUI) */
483 extern GDB_FILE *gdb_file_init_astring PARAMS ((int));
486 extern void gdb_file_deallocate PARAMS ((GDB_FILE **));
488 /* #if defined (TUI) */
489 extern char *gdb_file_get_strbuf PARAMS ((GDB_FILE *));
492 /* #if defined (TUI) */
493 extern void gdb_file_adjust_strbuf PARAMS ((int, GDB_FILE *));
496 extern void print_spaces PARAMS ((int, GDB_FILE *));
498 extern void print_spaces_filtered PARAMS ((int, GDB_FILE *));
500 extern char *n_spaces PARAMS ((int));
502 extern void gdb_printchar PARAMS ((int, GDB_FILE *, int));
504 extern void gdb_print_address PARAMS ((void *, GDB_FILE *));
506 typedef bfd_vma t_addr;
507 typedef bfd_vma t_reg;
508 extern char* paddr PARAMS ((t_addr addr));
510 extern char* preg PARAMS ((t_reg reg));
512 extern char* paddr_nz PARAMS ((t_addr addr));
514 extern char* preg_nz PARAMS ((t_reg reg));
516 extern void fprintf_symbol_filtered PARAMS ((GDB_FILE *, char *,
517 enum language, int));
519 extern NORETURN void perror_with_name PARAMS ((char *)) ATTR_NORETURN;
521 extern void print_sys_errmsg PARAMS ((char *, int));
523 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
524 "const char *" in unistd.h, so we can't declare the argument
527 extern char *re_comp PARAMS ((const char *));
531 extern void symbol_file_command PARAMS ((char *, int));
535 extern char *skip_quoted PARAMS ((char *));
537 extern char *gdb_readline PARAMS ((char *));
539 extern char *command_line_input PARAMS ((char *, int, char *));
541 extern void print_prompt PARAMS ((void));
543 extern int input_from_terminal_p PARAMS ((void));
545 extern int info_verbose;
547 /* From printcmd.c */
549 extern void set_next_address PARAMS ((CORE_ADDR));
551 extern void print_address_symbolic PARAMS ((CORE_ADDR, GDB_FILE *, int,
554 extern void print_address_numeric PARAMS ((CORE_ADDR, int, GDB_FILE *));
556 extern void print_address PARAMS ((CORE_ADDR, GDB_FILE *));
560 extern int openp PARAMS ((char *, int, char *, int, int, char **));
562 extern int source_full_path_of PARAMS ((char *, char **));
564 extern void mod_path PARAMS ((char *, char **));
566 extern void directory_command PARAMS ((char *, int));
568 extern void init_source_path PARAMS ((void));
570 extern char *symtab_to_filename PARAMS ((struct symtab *));
574 extern int read_relative_register_raw_bytes PARAMS ((int, char *));
580 void default_get_saved_register PARAMS ((char *raw_buffer, int *optimized,
582 struct frame_info *frame, int regnum,
583 enum lval_type *lval));
585 /* From readline (but not in any readline .h files). */
587 extern char *tilde_expand PARAMS ((char *));
589 /* Control types for commands */
591 enum misc_command_type
599 enum command_control_type
609 /* Structure for saved commands lines
610 (for breakpoints, defined commands, etc). */
614 struct command_line *next;
616 enum command_control_type control_type;
618 struct command_line **body_list;
621 extern struct command_line *read_command_lines PARAMS ((char *, int));
623 extern void free_command_lines PARAMS ((struct command_line **));
625 /* To continue the execution commands when running gdb asynchronously.
626 A continuation structure contains a pointer to a function to be called
627 to finish the command, once the target has stopped. Such mechanism is
628 used bt the finish and until commands, and in the remote protocol
629 when opening an extended-remote connection. */
631 struct continuation_arg
633 struct continuation_arg *next;
639 void (*continuation_hook) PARAMS ((struct continuation_arg *));
640 struct continuation_arg *arg_list;
641 struct continuation *next;
646 extern struct continuation *cmd_continuation;
649 void add_continuation PARAMS ((void (*) PARAMS ((struct continuation_arg *)),
650 struct continuation_arg *));
651 void do_all_continuations PARAMS ((void));
653 /* String containing the current directory (what getwd would return). */
655 extern char *current_directory;
657 /* Default radixes for input and output. Only some values supported. */
658 extern unsigned input_radix;
659 extern unsigned output_radix;
661 /* Possibilities for prettyprint parameters to routines which print
662 things. Like enum language, this should be in value.h, but needs
663 to be here for the same reason. FIXME: If we can eliminate this
664 as an arg to LA_VAL_PRINT, then we can probably move it back to
669 Val_no_prettyprint = 0,
671 /* Use the default setting which the user has specified. */
676 /* Host machine definition. This will be a symlink to one of the
677 xm-*.h files, built by the `configure' script. */
681 /* Native machine support. This will be a symlink to one of the
682 nm-*.h files, built by the `configure' script. */
686 /* Target machine definition. This will be a symlink to one of the
687 tm-*.h files, built by the `configure' script. */
691 /* If the xm.h file did not define the mode string used to open the
692 files, assume that binary files are opened the same way as text
695 #include "fopen-same.h"
698 /* Microsoft C can't deal with const pointers */
703 #define CONST_PTR const
707 * Allow things in gdb to be declared "volatile". If compiling ANSI, it
708 * just works. If compiling with gcc but non-ansi, redefine to __volatile__.
709 * If non-ansi, non-gcc, then eliminate "volatile" entirely, making those
710 * objects be read-write rather than read-only.
716 # define volatile __volatile__
718 # define volatile /*nothing*/
721 #endif /* volatile */
723 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
724 FIXME: Assumes 2's complement arithmetic */
726 #if !defined (UINT_MAX)
727 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
730 #if !defined (INT_MAX)
731 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
734 #if !defined (INT_MIN)
735 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
738 #if !defined (ULONG_MAX)
739 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
742 #if !defined (LONG_MAX)
743 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
750 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
752 #define LONGEST BFD_HOST_64_BIT
753 #define ULONGEST BFD_HOST_U_64_BIT
757 # ifdef CC_HAS_LONG_LONG
758 # define LONGEST long long
759 # define ULONGEST unsigned long long
761 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
762 (e.g. i386-windows) so try it. */
763 # ifdef BFD_HOST_64_BIT
764 # define LONGEST BFD_HOST_64_BIT
765 # define ULONGEST BFD_HOST_U_64_BIT
767 # define LONGEST long
768 # define ULONGEST unsigned long
772 #endif /* No BFD64 */
774 #endif /* ! LONGEST */
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 PARAMS ((LONGEST));
782 /* Assorted functions we can declare, now that const and volatile are
785 extern char *savestring PARAMS ((const char *, int));
787 extern char *msavestring PARAMS ((void *, const char *, int));
789 extern char *strsave PARAMS ((const char *));
791 extern char *mstrsave PARAMS ((void *, const char *));
793 #ifdef _MSC_VER /* FIXME; was long, but this causes compile errors in msvc if already defined */
794 extern PTR xmmalloc PARAMS ((PTR, size_t));
796 extern PTR xmrealloc PARAMS ((PTR, PTR, size_t));
798 extern PTR xmmalloc PARAMS ((PTR, long));
800 extern PTR xmrealloc PARAMS ((PTR, PTR, long));
803 extern int parse_escape PARAMS ((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 error PARAMS((const char *, ...)) ATTR_NORETURN;
819 extern void error_begin PARAMS ((void));
821 extern NORETURN void fatal PARAMS((char *, ...)) ATTR_NORETURN;
823 extern NORETURN void nomem PARAMS ((long)) ATTR_NORETURN;
825 /* Reasons for calling return_to_top_level. */
827 /* User interrupt. */
830 /* Any other error. */
834 #define ALL_CLEANUPS ((struct cleanup *)0)
836 #define RETURN_MASK_QUIT (1 << (int)RETURN_QUIT)
837 #define RETURN_MASK_ERROR (1 << (int)RETURN_ERROR)
838 #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
839 typedef int return_mask;
842 return_to_top_level PARAMS ((enum return_reason)) ATTR_NORETURN;
844 typedef int (catch_errors_ftype) PARAMS ((PTR));
845 extern int catch_errors PARAMS ((catch_errors_ftype *, PTR, char *, return_mask));
847 extern void warning_begin PARAMS ((void));
849 extern void warning PARAMS ((const char *, ...))
850 ATTR_FORMAT(printf, 1, 2);
852 /* Global functions from other, non-gdb GNU thingies.
853 Libiberty thingies are no longer declared here. We include libiberty.h
856 #ifndef GETENV_PROVIDED
857 extern char *getenv PARAMS ((const char *));
860 /* From other system libraries */
867 #if defined(_MSC_VER) && !defined(__cplusplus)
868 /* msvc defines these in stdlib.h for c code */
875 #define min(a, b) ((a) < (b) ? (a) : (b))
878 #define max(a, b) ((a) > (b) ? (a) : (b))
882 /* We take the address of fclose later, but some stdio's forget
883 to declare this. We can't always declare it since there's
884 no way to declare the parameters without upsetting some compiler
887 #ifndef FCLOSE_PROVIDED
888 extern int fclose PARAMS ((FILE *));
892 extern double atof PARAMS ((const char *)); /* X3.159-1989 4.10.1.1 */
895 #ifndef MALLOC_INCOMPATIBLE
897 #ifdef NEED_DECLARATION_MALLOC
898 extern PTR malloc ();
901 #ifdef NEED_DECLARATION_REALLOC
902 extern PTR realloc ();
905 #ifdef NEED_DECLARATION_FREE
909 #endif /* MALLOC_INCOMPATIBLE */
911 /* Various possibilities for alloca. */
914 # define alloca __builtin_alloca
915 # else /* Not GNU C */
916 # ifdef HAVE_ALLOCA_H
923 /* We need to be careful not to declare this in a way which conflicts with
924 bison. Bison never declares it as char *, but under various circumstances
925 (like __hpux) we need to use void *. */
926 # if defined (__STDC__) || defined (__hpux)
927 extern void *alloca ();
928 # else /* Don't use void *. */
929 extern char *alloca ();
930 # endif /* Don't use void *. */
931 # endif /* Not _AIX */
932 # endif /* Not HAVE_ALLOCA_H */
933 # endif /* Not GNU C */
934 #endif /* alloca not defined */
936 /* HOST_BYTE_ORDER must be defined to one of these. */
942 #if !defined (BIG_ENDIAN)
943 #define BIG_ENDIAN 4321
946 #if !defined (LITTLE_ENDIAN)
947 #define LITTLE_ENDIAN 1234
950 /* Dynamic target-system-dependent parameters for GDB. */
953 /* Static target-system-dependent parameters for GDB. */
955 /* Number of bits in a char or unsigned char for the target machine.
956 Just like CHAR_BIT in <limits.h> but describes the target machine. */
957 #if !defined (TARGET_CHAR_BIT)
958 #define TARGET_CHAR_BIT 8
961 /* Number of bits in a short or unsigned short for the target machine. */
962 #if !defined (TARGET_SHORT_BIT)
963 #define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT)
966 /* Number of bits in an int or unsigned int for the target machine. */
967 #if !defined (TARGET_INT_BIT)
968 #define TARGET_INT_BIT (4 * TARGET_CHAR_BIT)
971 /* Number of bits in a long or unsigned long for the target machine. */
972 #if !defined (TARGET_LONG_BIT)
973 #define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT)
976 /* Number of bits in a long long or unsigned long long for the target machine. */
977 #if !defined (TARGET_LONG_LONG_BIT)
978 #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT)
981 /* Number of bits in a float for the target machine. */
982 #if !defined (TARGET_FLOAT_BIT)
983 #define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT)
986 /* Number of bits in a double for the target machine. */
987 #if !defined (TARGET_DOUBLE_BIT)
988 #define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT)
991 /* Number of bits in a long double for the target machine. */
992 #if !defined (TARGET_LONG_DOUBLE_BIT)
993 #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT)
996 /* Number of bits in a pointer for the target machine */
997 #if !defined (TARGET_PTR_BIT)
998 #define TARGET_PTR_BIT TARGET_INT_BIT
1001 /* If we picked up a copy of CHAR_BIT from a configuration file
1002 (which may get it by including <limits.h>) then use it to set
1003 the number of bits in a host char. If not, use the same size
1006 #if defined (CHAR_BIT)
1007 #define HOST_CHAR_BIT CHAR_BIT
1009 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1012 /* The bit byte-order has to do just with numbering of bits in
1013 debugging symbols and such. Conceptually, it's quite separate
1014 from byte/word byte order. */
1016 #if !defined (BITS_BIG_ENDIAN)
1017 #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN)
1022 extern LONGEST extract_signed_integer PARAMS ((void *, int));
1024 extern ULONGEST extract_unsigned_integer PARAMS ((void *, int));
1026 extern int extract_long_unsigned_integer PARAMS ((void *, int, LONGEST *));
1028 extern CORE_ADDR extract_address PARAMS ((void *, int));
1030 extern void store_signed_integer PARAMS ((PTR, int, LONGEST));
1032 extern void store_unsigned_integer PARAMS ((PTR, int, ULONGEST));
1034 extern void store_address PARAMS ((PTR, int, LONGEST));
1036 /* Setup definitions for host and target floating point formats. We need to
1037 consider the format for `float', `double', and `long double' for both target
1038 and host. We need to do this so that we know what kind of conversions need
1039 to be done when converting target numbers to and from the hosts DOUBLEST
1042 /* This is used to indicate that we don't know the format of the floating point
1043 number. Typically, this is useful for native ports, where the actual format
1044 is irrelevant, since no conversions will be taking place. */
1046 extern const struct floatformat floatformat_unknown;
1048 #if HOST_BYTE_ORDER == BIG_ENDIAN
1049 # ifndef HOST_FLOAT_FORMAT
1050 # define HOST_FLOAT_FORMAT &floatformat_ieee_single_big
1052 # ifndef HOST_DOUBLE_FORMAT
1053 # define HOST_DOUBLE_FORMAT &floatformat_ieee_double_big
1055 #else /* LITTLE_ENDIAN */
1056 # ifndef HOST_FLOAT_FORMAT
1057 # define HOST_FLOAT_FORMAT &floatformat_ieee_single_little
1059 # ifndef HOST_DOUBLE_FORMAT
1060 # define HOST_DOUBLE_FORMAT &floatformat_ieee_double_little
1064 #ifndef HOST_LONG_DOUBLE_FORMAT
1065 #define HOST_LONG_DOUBLE_FORMAT &floatformat_unknown
1068 #ifndef TARGET_FLOAT_FORMAT
1069 #define TARGET_FLOAT_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \
1070 ? &floatformat_ieee_single_big \
1071 : &floatformat_ieee_single_little)
1073 #ifndef TARGET_DOUBLE_FORMAT
1074 #define TARGET_DOUBLE_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \
1075 ? &floatformat_ieee_double_big \
1076 : &floatformat_ieee_double_little)
1079 #ifndef TARGET_LONG_DOUBLE_FORMAT
1080 # define TARGET_LONG_DOUBLE_FORMAT &floatformat_unknown
1083 /* Use `long double' if the host compiler supports it. (Note that this is not
1084 necessarily any longer than `double'. On SunOS/gcc, it's the same as
1085 double.) This is necessary because GDB internally converts all floating
1086 point values to the widest type supported by the host.
1088 There are problems however, when the target `long double' is longer than the
1089 host's `long double'. In general, we'll probably reduce the precision of
1090 any such values and print a warning. */
1092 #ifdef HAVE_LONG_DOUBLE
1093 typedef long double DOUBLEST;
1095 typedef double DOUBLEST;
1098 extern void floatformat_to_doublest PARAMS ((const struct floatformat *,
1099 char *, DOUBLEST *));
1100 extern void floatformat_from_doublest PARAMS ((const struct floatformat *,
1101 DOUBLEST *, char *));
1102 extern DOUBLEST extract_floating PARAMS ((void *, int));
1104 extern void store_floating PARAMS ((void *, int, DOUBLEST));
1106 /* On some machines there are bits in addresses which are not really
1107 part of the address, but are used by the kernel, the hardware, etc.
1108 for special purposes. ADDR_BITS_REMOVE takes out any such bits
1109 so we get a "real" address such as one would find in a symbol
1110 table. This is used only for addresses of instructions, and even then
1111 I'm not sure it's used in all contexts. It exists to deal with there
1112 being a few stray bits in the PC which would mislead us, not as some sort
1113 of generic thing to handle alignment or segmentation (it's possible it
1114 should be in TARGET_READ_PC instead). */
1115 #if !defined (ADDR_BITS_REMOVE)
1116 #define ADDR_BITS_REMOVE(addr) (addr)
1117 #endif /* No ADDR_BITS_REMOVE. */
1121 extern CORE_ADDR push_bytes PARAMS ((CORE_ADDR, char *, int));
1123 extern CORE_ADDR push_word PARAMS ((CORE_ADDR, ULONGEST));
1125 extern int watchdog;
1127 /* Hooks for alternate command interfaces. */
1129 struct target_waitstatus;
1130 struct cmd_list_element;
1133 /* Should the asynchronous variant of the interpreter (using the
1134 event-loop) be enabled? */
1137 extern void (*init_ui_hook) PARAMS ((char *argv0));
1138 extern void (*command_loop_hook) PARAMS ((void));
1139 extern void (*fputs_unfiltered_hook) PARAMS ((const char *linebuffer,
1141 extern void (*print_frame_info_listing_hook) PARAMS ((struct symtab *s,
1142 int line, int stopline,
1144 extern struct frame_info *parse_frame_specification PARAMS ((char *frame_exp));
1145 extern int (*query_hook) PARAMS ((const char *, va_list));
1146 extern void (*warning_hook) PARAMS ((const char *, va_list));
1147 extern void (*flush_hook) PARAMS ((GDB_FILE *stream));
1148 extern void (*create_breakpoint_hook) PARAMS ((struct breakpoint *b));
1149 extern void (*delete_breakpoint_hook) PARAMS ((struct breakpoint *bpt));
1150 extern void (*modify_breakpoint_hook) PARAMS ((struct breakpoint *bpt));
1151 extern void (*interactive_hook) PARAMS ((void));
1152 extern void (*registers_changed_hook) PARAMS ((void));
1153 extern void (*readline_begin_hook) PARAMS ((char *, ...));
1154 extern char * (*readline_hook) PARAMS ((char *));
1155 extern void (*readline_end_hook) PARAMS ((void));
1156 extern void (*register_changed_hook) PARAMS ((int regno));
1157 extern void (*memory_changed_hook) PARAMS ((CORE_ADDR addr, int len));
1158 extern void (*context_hook) PARAMS ((int));
1159 extern int (*target_wait_hook) PARAMS ((int pid,
1160 struct target_waitstatus *status));
1162 extern void (*call_command_hook) PARAMS ((struct cmd_list_element *c,
1163 char *cmd, int from_tty));
1165 extern NORETURN void (*error_hook) PARAMS ((void)) ATTR_NORETURN;
1167 extern void (*error_begin_hook) PARAMS ((void));
1170 /* Inhibit window interface if non-zero. */
1172 extern int use_windows;
1174 /* Symbolic definitions of filename-related things. */
1175 /* FIXME, this doesn't work very well if host and executable
1176 filesystems conventions are different. */
1178 #ifndef DIRNAME_SEPARATOR
1179 #define DIRNAME_SEPARATOR ':'
1183 #if defined(__GO32__)||defined(_WIN32)
1184 #define SLASH_P(X) ((X)=='\\')
1186 #define SLASH_P(X) ((X)=='/')
1191 #if defined(__GO32__)||defined(_WIN32)
1192 #define SLASH_CHAR '\\'
1194 #define SLASH_CHAR '/'
1198 #ifndef SLASH_STRING
1199 #if defined(__GO32__)||defined(_WIN32)
1200 #define SLASH_STRING "\\"
1202 #define SLASH_STRING "/"
1207 #define ROOTED_P(X) (SLASH_P((X)[0]))
1210 /* On some systems, PIDGET is defined to extract the inferior pid from
1211 an internal pid that has the thread id and pid in seperate bit
1212 fields. If not defined, then just use the entire internal pid as
1216 #define PIDGET(pid) (pid)
1219 /* If under Cygwin, provide backwards compatibility with older
1220 Cygwin compilers that don't define the current cpp define. */
1227 #endif /* #ifndef DEFS_H */