1 /* Basic, host-specific, and target-specific definitions for GDB.
2 Copyright (C) 1986, 89, 91, 92, 93, 94, 95, 96, 1998
3 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
24 #include "config.h" /* Generated by configure */
26 #include <errno.h> /* System call error return status */
32 # include <sys/types.h> /* for size_t */
35 /* Just in case they're not defined in stdio.h. */
44 /* First include ansidecl.h so we can use the various macro definitions
45 here and in all subsequent file inclusions. */
49 #ifdef ANSI_PROTOTYPES
55 #include "libiberty.h"
57 /* libiberty.h can't declare this one, but evidently we can. */
58 extern char *strsignal PARAMS ((int));
66 /* For BFD64 and bfd_vma. */
69 /* An address in the program being debugged. Host byte order. Rather
70 than duplicate all the logic in BFD which figures out what type
71 this is (long, long long, etc.) and whether it needs to be 64
72 bits (the host/target interactions are subtle), we just use
75 typedef bfd_vma CORE_ADDR;
77 extern int core_addr_lessthan PARAMS ((CORE_ADDR lhs, CORE_ADDR rhs));
78 extern int core_addr_greaterthan PARAMS ((CORE_ADDR lhs, CORE_ADDR rhs));
82 #define min(a, b) ((a) < (b) ? (a) : (b))
85 #define max(a, b) ((a) > (b) ? (a) : (b))
88 /* Gdb does *lots* of string compares. Use macros to speed them up by
89 avoiding function calls if the first characters are not the same. */
91 #define STRCMP(a,b) (*(a) == *(b) ? strcmp ((a), (b)) : (int)*(a) - (int)*(b))
92 #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0)
93 #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0)
95 /* The character GNU C++ uses to build identifiers that must be unique from
96 the program's identifiers (such as $this and $$vptr). */
97 #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */
99 /* Check if a character is one of the commonly used C++ marker characters. */
100 extern int is_cplus_marker PARAMS ((int));
102 /* use tui interface if non-zero */
103 extern int tui_version;
106 /* all invocations of TUIDO should have two sets of parens */
107 #define TUIDO(x) tuiDo x
112 /* enable xdb commands if set */
113 extern int xdb_commands;
115 /* enable dbx commands if set */
116 extern int dbx_commands;
118 extern int quit_flag;
119 extern int immediate_quit;
120 extern int sevenbit_strings;
122 extern void quit PARAMS ((void));
125 /* do twice to force compiler warning */
126 #define QUIT_FIXME "FIXME"
127 #define QUIT_FIXME "ignoring redefinition of QUIT"
130 if (quit_flag) quit (); \
131 if (interactive_hook) interactive_hook (); \
136 /* Command classes are top-level categories into which commands are broken
137 down for "help" purposes.
138 Notes on classes: class_alias is for alias commands which are not
139 abbreviations of the original command. class-pseudo is for commands
140 which are not really commands nor help topics ("stop"). */
144 /* Special args to help_list */
145 all_classes = -2, all_commands = -1,
146 /* Classes of commands */
147 no_class = -1, class_run = 0, class_vars, class_stack,
148 class_files, class_support, class_info, class_breakpoint, class_trace,
149 class_alias, class_obscure, class_user, class_maintenance,
150 class_pseudo, class_tui, class_xdb
153 /* Languages represented in the symbol table and elsewhere.
154 This should probably be in language.h, but since enum's can't
155 be forward declared to satisfy opaque references before their
156 actual definition, needs to be here. */
160 language_unknown, /* Language not known */
161 language_auto, /* Placeholder for automatic setting */
163 language_cplus, /* C++ */
164 language_java, /* Java */
165 language_chill, /* Chill */
166 language_fortran, /* Fortran */
167 language_m2, /* Modula-2 */
168 language_asm, /* Assembly language */
169 language_scm /* Scheme / Guile */
176 unspecified_precision
179 /* the cleanup list records things that have to be undone
180 if an error happens (descriptors to be closed, memory to be freed, etc.)
181 Each link in the chain records a function to call and an
184 Use make_cleanup to add an element to the cleanup chain.
185 Use do_cleanups to do all cleanup actions back to a given
186 point in the chain. Use discard_cleanups to remove cleanups
187 from the chain back to a given point, not doing them. */
191 struct cleanup *next;
192 void (*function) PARAMS ((PTR));
197 /* The ability to declare that a function never returns is useful, but
198 not really required to compile GDB successfully, so the NORETURN and
199 ATTR_NORETURN macros normally expand into nothing. */
201 /* If compiling with older versions of GCC, a function may be declared
202 "volatile" to indicate that it does not return. */
205 # if defined(__GNUC__) \
206 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
207 # define NORETURN volatile
209 # define NORETURN /* nothing */
213 /* GCC 2.5 and later versions define a function attribute "noreturn",
214 which is the preferred way to declare that a function never returns.
215 However GCC 2.7 appears to be the first version in which this fully
216 works everywhere we use it. */
218 #ifndef ATTR_NORETURN
219 # if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 7
220 # define ATTR_NORETURN __attribute__ ((noreturn))
222 # define ATTR_NORETURN /* nothing */
227 # if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 4 && defined (__ANSI_PROTOTYPES)
228 # define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
230 # define ATTR_FORMAT(type, x, y) /* nothing */
234 /* Needed for various prototypes */
241 /* From blockframe.c */
243 extern int inside_entry_func PARAMS ((CORE_ADDR));
245 extern int inside_entry_file PARAMS ((CORE_ADDR addr));
247 extern int inside_main_func PARAMS ((CORE_ADDR pc));
249 /* From ch-lang.c, for the moment. (FIXME) */
251 extern char *chill_demangle PARAMS ((const char *));
255 extern void initialize_utils PARAMS ((void));
257 extern void notice_quit PARAMS ((void));
259 extern int strcmp_iw PARAMS ((const char *, const char *));
261 extern int subset_compare PARAMS ((char *, char *));
263 extern char *safe_strerror PARAMS ((int));
265 extern char *safe_strsignal PARAMS ((int));
267 extern void init_malloc PARAMS ((void *));
269 extern void request_quit PARAMS ((int));
271 extern void do_cleanups PARAMS ((struct cleanup *));
272 extern void do_final_cleanups PARAMS ((struct cleanup *));
273 extern void do_my_cleanups PARAMS ((struct cleanup **, struct cleanup *));
274 extern void do_run_cleanups PARAMS ((struct cleanup *));
276 extern void discard_cleanups PARAMS ((struct cleanup *));
277 extern void discard_final_cleanups PARAMS ((struct cleanup *));
278 extern void discard_my_cleanups PARAMS ((struct cleanup **, struct cleanup *));
280 typedef void (*make_cleanup_func) PARAMS ((void *));
282 extern struct cleanup *make_cleanup PARAMS ((make_cleanup_func, void *));
284 extern struct cleanup *make_cleanup_freeargv PARAMS ((char **));
286 extern struct cleanup *make_final_cleanup PARAMS ((make_cleanup_func, void *));
288 extern struct cleanup *make_my_cleanup PARAMS ((struct cleanup **,
289 make_cleanup_func, void *));
291 extern struct cleanup *make_run_cleanup PARAMS ((make_cleanup_func, void *));
293 extern struct cleanup *save_cleanups PARAMS ((void));
294 extern struct cleanup *save_final_cleanups PARAMS ((void));
295 extern struct cleanup *save_my_cleanups PARAMS ((struct cleanup **));
297 extern void restore_cleanups PARAMS ((struct cleanup *));
298 extern void restore_final_cleanups PARAMS ((struct cleanup *));
299 extern void restore_my_cleanups PARAMS ((struct cleanup **, struct cleanup *));
301 extern void free_current_contents PARAMS ((char **));
303 extern void null_cleanup PARAMS ((PTR));
305 extern int myread PARAMS ((int, char *, int));
307 extern int query PARAMS((char *, ...))
308 ATTR_FORMAT(printf, 1, 2);
310 #if !defined (USE_MMALLOC)
311 extern PTR mmalloc PARAMS ((PTR, size_t));
312 extern PTR mrealloc PARAMS ((PTR, PTR, size_t));
313 extern void mfree PARAMS ((PTR, PTR));
316 extern void init_page_info PARAMS ((void));
318 /* From demangle.c */
320 extern void set_demangling_style PARAMS ((char *));
325 typedef int (use_struct_convention_fn) PARAMS ((int gcc_p, struct type *value_type));
326 extern use_struct_convention_fn generic_use_struct_convention;
328 typedef unsigned char *(breakpoint_from_pc_fn) PARAMS ((CORE_ADDR *pcptr, int *lenptr));
332 /* Annotation stuff. */
334 extern int annotation_level; /* in stack.c */
336 extern void begin_line PARAMS ((void));
338 extern void wrap_here PARAMS ((char *));
340 extern void reinitialize_more_filter PARAMS ((void));
353 enum streamtype ts_streamtype;
360 typedef struct gdb_file GDB_FILE; /* deprecated */
363 extern GDB_FILE *gdb_stdout;
364 /* Serious error notifications */
365 extern GDB_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 GDB_FILE *gdb_stdlog;
374 #include "tuiCommand.h"
377 #include "tuiLayout.h"
381 /* Create a new gdb_file with the specified methods. */
383 typedef void (gdb_file_flush_ftype) PARAMS ((struct gdb_file *stream));
384 extern void set_gdb_file_flush PARAMS ((struct gdb_file *stream, gdb_file_flush_ftype *flush));
386 typedef void (gdb_file_fputs_ftype) PARAMS ((const char *, struct gdb_file *stream));
387 extern void set_gdb_file_fputs PARAMS ((struct gdb_file *stream, gdb_file_fputs_ftype *fputs));
389 typedef int (gdb_file_isatty_ftype) PARAMS ((struct gdb_file *stream));
390 extern void set_gdb_file_isatty PARAMS ((struct gdb_file *stream, gdb_file_isatty_ftype *isatty));
392 typedef void (gdb_file_rewind_ftype) PARAMS ((struct gdb_file *stream));
393 extern void set_gdb_file_rewind PARAMS ((struct gdb_file *stream, gdb_file_rewind_ftype *rewind));
395 typedef void (gdb_file_put_ftype) PARAMS ((struct gdb_file *stream, struct gdb_file *dest));
396 extern void set_gdb_file_put PARAMS ((struct gdb_file *stream, gdb_file_put_ftype *put));
398 typedef void (gdb_file_delete_ftype) PARAMS ((struct gdb_file *stream));
399 extern void set_gdb_file_data PARAMS ((struct gdb_file *stream, void *data, gdb_file_delete_ftype *delete));
401 extern struct gdb_file *gdb_file_new PARAMS ((void));
403 extern void gdb_file_delete PARAMS ((struct gdb_file *stream));
405 extern void gdb_file_rewind PARAMS ((struct gdb_file *stream));
407 /* NOTE: copies left to right */
408 extern void gdb_file_put PARAMS ((struct gdb_file *src, struct gdb_file *dest));
410 extern void *gdb_file_data PARAMS ((struct gdb_file *file));
412 /* Open the specified FILE as a gdb_file. */
413 extern struct gdb_file *stdio_fileopen PARAMS ((FILE *));
414 /* #if defined (TUI) */
415 extern struct gdb_file *tui_fileopen PARAMS ((FILE *));
418 /* deprecated - use gdb_file_delete */
419 extern void gdb_fclose PARAMS ((GDB_FILE **));
421 extern void gdb_flush PARAMS ((GDB_FILE *));
423 extern GDB_FILE *gdb_fopen PARAMS ((char * name, char * mode));
425 extern void fputs_filtered PARAMS ((const char *, GDB_FILE *));
427 extern void fputs_unfiltered PARAMS ((const char *, GDB_FILE *));
429 extern int fputc_filtered PARAMS ((int c, GDB_FILE *));
431 extern int fputc_unfiltered PARAMS ((int c, GDB_FILE *));
433 extern int putchar_unfiltered PARAMS ((int c));
435 extern void puts_filtered PARAMS ((const char *));
437 extern void puts_unfiltered PARAMS ((const char *));
439 extern void puts_debug PARAMS ((char *prefix, char *string, char *suffix));
441 extern void vprintf_filtered PARAMS ((const char *, va_list))
442 ATTR_FORMAT(printf, 1, 0);
444 extern void vfprintf_filtered PARAMS ((GDB_FILE *, const char *, va_list))
445 ATTR_FORMAT(printf, 2, 0);
447 extern void fprintf_filtered PARAMS ((GDB_FILE *, const char *, ...))
448 ATTR_FORMAT(printf, 2, 3);
450 extern void fprintfi_filtered PARAMS ((int, GDB_FILE *, const char *, ...))
451 ATTR_FORMAT(printf, 3, 4);
453 extern void printf_filtered PARAMS ((const char *, ...))
454 ATTR_FORMAT(printf, 1, 2);
456 extern void printfi_filtered PARAMS ((int, const char *, ...))
457 ATTR_FORMAT(printf, 2, 3);
459 extern void vprintf_unfiltered PARAMS ((const char *, va_list))
460 ATTR_FORMAT(printf, 1, 0);
462 extern void vfprintf_unfiltered PARAMS ((GDB_FILE *, const char *, va_list))
463 ATTR_FORMAT(printf, 2, 0);
465 extern void fprintf_unfiltered PARAMS ((GDB_FILE *, const char *, ...))
466 ATTR_FORMAT(printf, 2, 3);
468 extern void printf_unfiltered PARAMS ((const char *, ...))
469 ATTR_FORMAT(printf, 1, 2);
471 extern int gdb_file_isatty PARAMS ((GDB_FILE *));
473 /* #if defined (TUI) */
474 extern GDB_FILE *gdb_file_init_astring PARAMS ((int));
477 extern void gdb_file_deallocate PARAMS ((GDB_FILE **));
479 /* #if defined (TUI) */
480 extern char *gdb_file_get_strbuf PARAMS ((GDB_FILE *));
483 /* #if defined (TUI) */
484 extern void gdb_file_adjust_strbuf PARAMS ((int, GDB_FILE *));
487 extern void print_spaces PARAMS ((int, GDB_FILE *));
489 extern void print_spaces_filtered PARAMS ((int, GDB_FILE *));
491 extern char *n_spaces PARAMS ((int));
493 extern void gdb_printchar PARAMS ((int, GDB_FILE *, int));
495 extern void gdb_print_address PARAMS ((void *, GDB_FILE *));
497 typedef bfd_vma t_addr;
498 typedef bfd_vma t_reg;
499 extern char* paddr PARAMS ((t_addr addr));
501 extern char* preg PARAMS ((t_reg reg));
503 extern char* paddr_nz PARAMS ((t_addr addr));
505 extern char* preg_nz PARAMS ((t_reg reg));
507 extern void fprintf_symbol_filtered PARAMS ((GDB_FILE *, char *,
508 enum language, int));
510 extern NORETURN void perror_with_name PARAMS ((char *)) ATTR_NORETURN;
512 extern void print_sys_errmsg PARAMS ((char *, int));
514 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
515 "const char *" in unistd.h, so we can't declare the argument
518 extern char *re_comp PARAMS ((const char *));
522 extern void symbol_file_command PARAMS ((char *, int));
526 extern char *skip_quoted PARAMS ((char *));
528 extern char *gdb_readline PARAMS ((char *));
530 extern char *command_line_input PARAMS ((char *, int, char *));
532 extern void print_prompt PARAMS ((void));
534 extern int input_from_terminal_p PARAMS ((void));
536 extern int info_verbose;
538 /* From printcmd.c */
540 extern void set_next_address PARAMS ((CORE_ADDR));
542 extern void print_address_symbolic PARAMS ((CORE_ADDR, GDB_FILE *, int,
545 extern void print_address_numeric PARAMS ((CORE_ADDR, int, GDB_FILE *));
547 extern void print_address PARAMS ((CORE_ADDR, GDB_FILE *));
551 extern int openp PARAMS ((char *, int, char *, int, int, char **));
553 extern int source_full_path_of PARAMS ((char *, char **));
555 extern void mod_path PARAMS ((char *, char **));
557 extern void directory_command PARAMS ((char *, int));
559 extern void init_source_path PARAMS ((void));
561 extern char *symtab_to_filename PARAMS ((struct symtab *));
565 extern int read_relative_register_raw_bytes PARAMS ((int, char *));
571 void default_get_saved_register PARAMS ((char *raw_buffer, int *optimized,
573 struct frame_info *frame, int regnum,
574 enum lval_type *lval));
576 /* From readline (but not in any readline .h files). */
578 extern char *tilde_expand PARAMS ((char *));
580 /* Control types for commands */
582 enum misc_command_type
590 enum command_control_type
600 /* Structure for saved commands lines
601 (for breakpoints, defined commands, etc). */
605 struct command_line *next;
607 enum command_control_type control_type;
609 struct command_line **body_list;
612 extern struct command_line *read_command_lines PARAMS ((char *, int));
614 extern void free_command_lines PARAMS ((struct command_line **));
616 /* String containing the current directory (what getwd would return). */
618 extern char *current_directory;
620 /* Default radixes for input and output. Only some values supported. */
621 extern unsigned input_radix;
622 extern unsigned output_radix;
624 /* Possibilities for prettyprint parameters to routines which print
625 things. Like enum language, this should be in value.h, but needs
626 to be here for the same reason. FIXME: If we can eliminate this
627 as an arg to LA_VAL_PRINT, then we can probably move it back to
632 Val_no_prettyprint = 0,
634 /* Use the default setting which the user has specified. */
639 /* Host machine definition. This will be a symlink to one of the
640 xm-*.h files, built by the `configure' script. */
644 /* Native machine support. This will be a symlink to one of the
645 nm-*.h files, built by the `configure' script. */
649 /* Target machine definition. This will be a symlink to one of the
650 tm-*.h files, built by the `configure' script. */
654 /* If the xm.h file did not define the mode string used to open the
655 files, assume that binary files are opened the same way as text
658 #include "fopen-same.h"
661 /* Microsoft C can't deal with const pointers */
666 #define CONST_PTR const
670 * Allow things in gdb to be declared "volatile". If compiling ANSI, it
671 * just works. If compiling with gcc but non-ansi, redefine to __volatile__.
672 * If non-ansi, non-gcc, then eliminate "volatile" entirely, making those
673 * objects be read-write rather than read-only.
679 # define volatile __volatile__
681 # define volatile /*nothing*/
684 #endif /* volatile */
686 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
687 FIXME: Assumes 2's complement arithmetic */
689 #if !defined (UINT_MAX)
690 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
693 #if !defined (INT_MAX)
694 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
697 #if !defined (INT_MIN)
698 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
701 #if !defined (ULONG_MAX)
702 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
705 #if !defined (LONG_MAX)
706 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
713 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
715 #define LONGEST BFD_HOST_64_BIT
716 #define ULONGEST BFD_HOST_U_64_BIT
720 # ifdef CC_HAS_LONG_LONG
721 # define LONGEST long long
722 # define ULONGEST unsigned long long
724 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
725 (e.g. i386-windows) so try it. */
726 # ifdef BFD_HOST_64_BIT
727 # define LONGEST BFD_HOST_64_BIT
728 # define ULONGEST BFD_HOST_U_64_BIT
730 # define LONGEST long
731 # define ULONGEST unsigned long
735 #endif /* No BFD64 */
737 #endif /* ! LONGEST */
739 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
740 arguments to a function, number in a value history, register number, etc.)
741 where the value must not be larger than can fit in an int. */
743 extern int longest_to_int PARAMS ((LONGEST));
745 /* Assorted functions we can declare, now that const and volatile are
748 extern char *savestring PARAMS ((const char *, int));
750 extern char *msavestring PARAMS ((void *, const char *, int));
752 extern char *strsave PARAMS ((const char *));
754 extern char *mstrsave PARAMS ((void *, const char *));
756 #ifdef _MSC_VER /* FIXME; was long, but this causes compile errors in msvc if already defined */
757 extern PTR xmmalloc PARAMS ((PTR, size_t));
759 extern PTR xmrealloc PARAMS ((PTR, PTR, size_t));
761 extern PTR xmmalloc PARAMS ((PTR, long));
763 extern PTR xmrealloc PARAMS ((PTR, PTR, long));
766 extern int parse_escape PARAMS ((char **));
768 /* Message to be printed before the error message, when an error occurs. */
770 extern char *error_pre_print;
772 /* Message to be printed before the error message, when an error occurs. */
774 extern char *quit_pre_print;
776 /* Message to be printed before the warning message, when a warning occurs. */
778 extern char *warning_pre_print;
780 extern NORETURN void error PARAMS((const char *, ...)) ATTR_NORETURN;
782 extern void error_begin PARAMS ((void));
784 extern NORETURN void fatal PARAMS((char *, ...)) ATTR_NORETURN;
786 extern NORETURN void nomem PARAMS ((long)) ATTR_NORETURN;
788 /* Reasons for calling return_to_top_level. */
790 /* User interrupt. */
793 /* Any other error. */
797 #define RETURN_MASK_QUIT (1 << (int)RETURN_QUIT)
798 #define RETURN_MASK_ERROR (1 << (int)RETURN_ERROR)
799 #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
800 typedef int return_mask;
803 return_to_top_level PARAMS ((enum return_reason)) ATTR_NORETURN;
805 typedef int (catch_errors_ftype) PARAMS ((PTR));
806 extern int catch_errors PARAMS ((catch_errors_ftype *, PTR, char *, return_mask));
808 extern void warning_begin PARAMS ((void));
810 extern void warning PARAMS ((const char *, ...))
811 ATTR_FORMAT(printf, 1, 2);
813 /* Global functions from other, non-gdb GNU thingies.
814 Libiberty thingies are no longer declared here. We include libiberty.h
817 #ifndef GETENV_PROVIDED
818 extern char *getenv PARAMS ((const char *));
821 /* From other system libraries */
828 #if defined(_MSC_VER) && !defined(__cplusplus)
829 /* msvc defines these in stdlib.h for c code */
836 #define min(a, b) ((a) < (b) ? (a) : (b))
839 #define max(a, b) ((a) > (b) ? (a) : (b))
843 /* We take the address of fclose later, but some stdio's forget
844 to declare this. We can't always declare it since there's
845 no way to declare the parameters without upsetting some compiler
848 #ifndef FCLOSE_PROVIDED
849 extern int fclose PARAMS ((FILE *));
853 extern double atof PARAMS ((const char *)); /* X3.159-1989 4.10.1.1 */
856 #ifndef MALLOC_INCOMPATIBLE
858 #ifdef NEED_DECLARATION_MALLOC
859 extern PTR malloc ();
862 #ifdef NEED_DECLARATION_REALLOC
863 extern PTR realloc ();
866 #ifdef NEED_DECLARATION_FREE
870 #endif /* MALLOC_INCOMPATIBLE */
872 /* Various possibilities for alloca. */
875 # define alloca __builtin_alloca
876 # else /* Not GNU C */
877 # ifdef HAVE_ALLOCA_H
884 /* We need to be careful not to declare this in a way which conflicts with
885 bison. Bison never declares it as char *, but under various circumstances
886 (like __hpux) we need to use void *. */
887 # if defined (__STDC__) || defined (__hpux)
888 extern void *alloca ();
889 # else /* Don't use void *. */
890 extern char *alloca ();
891 # endif /* Don't use void *. */
892 # endif /* Not _AIX */
893 # endif /* Not HAVE_ALLOCA_H */
894 # endif /* Not GNU C */
895 #endif /* alloca not defined */
897 /* HOST_BYTE_ORDER must be defined to one of these. */
903 #if !defined (BIG_ENDIAN)
904 #define BIG_ENDIAN 4321
907 #if !defined (LITTLE_ENDIAN)
908 #define LITTLE_ENDIAN 1234
911 /* Dynamic target-system-dependent parameters for GDB. */
914 /* Static target-system-dependent parameters for GDB. */
916 /* Number of bits in a char or unsigned char for the target machine.
917 Just like CHAR_BIT in <limits.h> but describes the target machine. */
918 #if !defined (TARGET_CHAR_BIT)
919 #define TARGET_CHAR_BIT 8
922 /* Number of bits in a short or unsigned short for the target machine. */
923 #if !defined (TARGET_SHORT_BIT)
924 #define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT)
927 /* Number of bits in an int or unsigned int for the target machine. */
928 #if !defined (TARGET_INT_BIT)
929 #define TARGET_INT_BIT (4 * TARGET_CHAR_BIT)
932 /* Number of bits in a long or unsigned long for the target machine. */
933 #if !defined (TARGET_LONG_BIT)
934 #define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT)
937 /* Number of bits in a long long or unsigned long long for the target machine. */
938 #if !defined (TARGET_LONG_LONG_BIT)
939 #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT)
942 /* Number of bits in a float for the target machine. */
943 #if !defined (TARGET_FLOAT_BIT)
944 #define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT)
947 /* Number of bits in a double for the target machine. */
948 #if !defined (TARGET_DOUBLE_BIT)
949 #define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT)
952 /* Number of bits in a long double for the target machine. */
953 #if !defined (TARGET_LONG_DOUBLE_BIT)
954 #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT)
957 /* Number of bits in a pointer for the target machine */
958 #if !defined (TARGET_PTR_BIT)
959 #define TARGET_PTR_BIT TARGET_INT_BIT
962 /* If we picked up a copy of CHAR_BIT from a configuration file
963 (which may get it by including <limits.h>) then use it to set
964 the number of bits in a host char. If not, use the same size
967 #if defined (CHAR_BIT)
968 #define HOST_CHAR_BIT CHAR_BIT
970 #define HOST_CHAR_BIT TARGET_CHAR_BIT
973 /* The bit byte-order has to do just with numbering of bits in
974 debugging symbols and such. Conceptually, it's quite separate
975 from byte/word byte order. */
977 #if !defined (BITS_BIG_ENDIAN)
978 #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN)
983 extern LONGEST extract_signed_integer PARAMS ((void *, int));
985 extern ULONGEST extract_unsigned_integer PARAMS ((void *, int));
987 extern int extract_long_unsigned_integer PARAMS ((void *, int, LONGEST *));
989 extern CORE_ADDR extract_address PARAMS ((void *, int));
991 extern void store_signed_integer PARAMS ((PTR, int, LONGEST));
993 extern void store_unsigned_integer PARAMS ((PTR, int, ULONGEST));
995 extern void store_address PARAMS ((PTR, int, LONGEST));
997 /* Setup definitions for host and target floating point formats. We need to
998 consider the format for `float', `double', and `long double' for both target
999 and host. We need to do this so that we know what kind of conversions need
1000 to be done when converting target numbers to and from the hosts DOUBLEST
1003 /* This is used to indicate that we don't know the format of the floating point
1004 number. Typically, this is useful for native ports, where the actual format
1005 is irrelevant, since no conversions will be taking place. */
1007 extern const struct floatformat floatformat_unknown;
1009 #if HOST_BYTE_ORDER == BIG_ENDIAN
1010 # ifndef HOST_FLOAT_FORMAT
1011 # define HOST_FLOAT_FORMAT &floatformat_ieee_single_big
1013 # ifndef HOST_DOUBLE_FORMAT
1014 # define HOST_DOUBLE_FORMAT &floatformat_ieee_double_big
1016 #else /* LITTLE_ENDIAN */
1017 # ifndef HOST_FLOAT_FORMAT
1018 # define HOST_FLOAT_FORMAT &floatformat_ieee_single_little
1020 # ifndef HOST_DOUBLE_FORMAT
1021 # define HOST_DOUBLE_FORMAT &floatformat_ieee_double_little
1025 #ifndef HOST_LONG_DOUBLE_FORMAT
1026 #define HOST_LONG_DOUBLE_FORMAT &floatformat_unknown
1029 #ifndef TARGET_FLOAT_FORMAT
1030 #define TARGET_FLOAT_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \
1031 ? &floatformat_ieee_single_big \
1032 : &floatformat_ieee_single_little)
1034 #ifndef TARGET_DOUBLE_FORMAT
1035 #define TARGET_DOUBLE_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \
1036 ? &floatformat_ieee_double_big \
1037 : &floatformat_ieee_double_little)
1040 #ifndef TARGET_LONG_DOUBLE_FORMAT
1041 # define TARGET_LONG_DOUBLE_FORMAT &floatformat_unknown
1044 /* Use `long double' if the host compiler supports it. (Note that this is not
1045 necessarily any longer than `double'. On SunOS/gcc, it's the same as
1046 double.) This is necessary because GDB internally converts all floating
1047 point values to the widest type supported by the host.
1049 There are problems however, when the target `long double' is longer than the
1050 host's `long double'. In general, we'll probably reduce the precision of
1051 any such values and print a warning. */
1053 #ifdef HAVE_LONG_DOUBLE
1054 typedef long double DOUBLEST;
1056 typedef double DOUBLEST;
1059 extern void floatformat_to_doublest PARAMS ((const struct floatformat *,
1060 char *, DOUBLEST *));
1061 extern void floatformat_from_doublest PARAMS ((const struct floatformat *,
1062 DOUBLEST *, char *));
1063 extern DOUBLEST extract_floating PARAMS ((void *, int));
1065 extern void store_floating PARAMS ((void *, int, DOUBLEST));
1067 /* On some machines there are bits in addresses which are not really
1068 part of the address, but are used by the kernel, the hardware, etc.
1069 for special purposes. ADDR_BITS_REMOVE takes out any such bits
1070 so we get a "real" address such as one would find in a symbol
1071 table. This is used only for addresses of instructions, and even then
1072 I'm not sure it's used in all contexts. It exists to deal with there
1073 being a few stray bits in the PC which would mislead us, not as some sort
1074 of generic thing to handle alignment or segmentation (it's possible it
1075 should be in TARGET_READ_PC instead). */
1076 #if !defined (ADDR_BITS_REMOVE)
1077 #define ADDR_BITS_REMOVE(addr) (addr)
1078 #endif /* No ADDR_BITS_REMOVE. */
1082 extern CORE_ADDR push_bytes PARAMS ((CORE_ADDR, char *, int));
1084 extern CORE_ADDR push_word PARAMS ((CORE_ADDR, ULONGEST));
1086 extern int watchdog;
1088 /* Hooks for alternate command interfaces. */
1090 struct target_waitstatus;
1091 struct cmd_list_element;
1094 /* Should the asynchronous variant of the interpreter (using the
1095 event-loop) be enabled? */
1098 extern void (*init_ui_hook) PARAMS ((char *argv0));
1099 extern void (*command_loop_hook) PARAMS ((void));
1100 extern void (*fputs_unfiltered_hook) PARAMS ((const char *linebuffer,
1102 extern void (*print_frame_info_listing_hook) PARAMS ((struct symtab *s,
1103 int line, int stopline,
1105 extern struct frame_info *parse_frame_specification PARAMS ((char *frame_exp));
1106 extern int (*query_hook) PARAMS ((const char *, va_list));
1107 extern void (*warning_hook) PARAMS ((const char *, va_list));
1108 extern void (*flush_hook) PARAMS ((GDB_FILE *stream));
1109 extern void (*create_breakpoint_hook) PARAMS ((struct breakpoint *b));
1110 extern void (*delete_breakpoint_hook) PARAMS ((struct breakpoint *bpt));
1111 extern void (*modify_breakpoint_hook) PARAMS ((struct breakpoint *bpt));
1112 extern void (*target_output_hook) PARAMS ((char *));
1113 extern void (*interactive_hook) PARAMS ((void));
1114 extern void (*registers_changed_hook) PARAMS ((void));
1115 extern void (*readline_begin_hook) PARAMS ((char *, ...));
1116 extern char * (*readline_hook) PARAMS ((char *));
1117 extern void (*readline_end_hook) PARAMS ((void));
1118 extern void (*register_changed_hook) PARAMS ((int regno));
1119 extern void (*memory_changed_hook) PARAMS ((CORE_ADDR addr, int len));
1120 extern void (*context_hook) PARAMS ((int));
1121 extern int (*target_wait_hook) PARAMS ((int pid,
1122 struct target_waitstatus *status));
1124 extern void (*call_command_hook) PARAMS ((struct cmd_list_element *c,
1125 char *cmd, int from_tty));
1127 extern NORETURN void (*error_hook) PARAMS ((void)) ATTR_NORETURN;
1129 extern void (*error_begin_hook) PARAMS ((void));
1132 /* Inhibit window interface if non-zero. */
1134 extern int use_windows;
1136 /* Symbolic definitions of filename-related things. */
1137 /* FIXME, this doesn't work very well if host and executable
1138 filesystems conventions are different. */
1140 #ifndef DIRNAME_SEPARATOR
1141 #define DIRNAME_SEPARATOR ':'
1145 #if defined(__GO32__)||defined(_WIN32)
1146 #define SLASH_P(X) ((X)=='\\')
1148 #define SLASH_P(X) ((X)=='/')
1153 #if defined(__GO32__)||defined(_WIN32)
1154 #define SLASH_CHAR '\\'
1156 #define SLASH_CHAR '/'
1160 #ifndef SLASH_STRING
1161 #if defined(__GO32__)||defined(_WIN32)
1162 #define SLASH_STRING "\\"
1164 #define SLASH_STRING "/"
1169 #define ROOTED_P(X) (SLASH_P((X)[0]))
1172 /* On some systems, PIDGET is defined to extract the inferior pid from
1173 an internal pid that has the thread id and pid in seperate bit
1174 fields. If not defined, then just use the entire internal pid as
1178 #define PIDGET(pid) (pid)
1181 /* If under Cygwin, provide backwards compatibility with older
1182 Cygwin compilers that don't define the current cpp define. */
1189 #endif /* #ifndef DEFS_H */