1 /* Basic, host-specific, and target-specific definitions for GDB.
2 Copyright (C) 1986, 89, 91, 92, 93, 94, 95, 96, 98, 1999
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
;
78 #define min(a, b) ((a) < (b) ? (a) : (b))
81 #define max(a, b) ((a) > (b) ? (a) : (b))
84 /* Gdb does *lots* of string compares. Use macros to speed them up by
85 avoiding function calls if the first characters are not the same. */
87 #define STRCMP(a,b) (*(a) == *(b) ? strcmp ((a), (b)) : (int)*(a) - (int)*(b))
88 #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0)
89 #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0)
91 /* The character GNU C++ uses to build identifiers that must be unique from
92 the program's identifiers (such as $this and $$vptr). */
93 #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */
95 /* Check if a character is one of the commonly used C++ marker characters. */
96 extern int is_cplus_marker
PARAMS ((int));
98 /* use tui interface if non-zero */
99 extern int tui_version
;
102 /* all invocations of TUIDO should have two sets of parens */
103 #define TUIDO(x) tuiDo x
108 /* enable xdb commands if set */
109 extern int xdb_commands
;
111 /* enable dbx commands if set */
112 extern int dbx_commands
;
114 extern int quit_flag
;
115 extern int immediate_quit
;
116 extern int sevenbit_strings
;
118 extern void quit
PARAMS ((void));
121 /* do twice to force compiler warning */
122 #define QUIT_FIXME "FIXME"
123 #define QUIT_FIXME "ignoring redefinition of QUIT"
126 if (quit_flag) quit (); \
127 if (interactive_hook) interactive_hook (); \
132 /* Command classes are top-level categories into which commands are broken
133 down for "help" purposes.
134 Notes on classes: class_alias is for alias commands which are not
135 abbreviations of the original command. class-pseudo is for commands
136 which are not really commands nor help topics ("stop"). */
140 /* Special args to help_list */
141 all_classes
= -2, all_commands
= -1,
142 /* Classes of commands */
143 no_class
= -1, class_run
= 0, class_vars
, class_stack
,
144 class_files
, class_support
, class_info
, class_breakpoint
, class_trace
,
145 class_alias
, class_obscure
, class_user
, class_maintenance
,
146 class_pseudo
, class_tui
, class_xdb
149 /* Languages represented in the symbol table and elsewhere.
150 This should probably be in language.h, but since enum's can't
151 be forward declared to satisfy opaque references before their
152 actual definition, needs to be here. */
156 language_unknown
, /* Language not known */
157 language_auto
, /* Placeholder for automatic setting */
159 language_cplus
, /* C++ */
160 language_java
, /* Java */
161 language_chill
, /* Chill */
162 language_fortran
, /* Fortran */
163 language_m2
, /* Modula-2 */
164 language_asm
, /* Assembly language */
165 language_scm
/* Scheme / Guile */
172 unspecified_precision
175 /* the cleanup list records things that have to be undone
176 if an error happens (descriptors to be closed, memory to be freed, etc.)
177 Each link in the chain records a function to call and an
180 Use make_cleanup to add an element to the cleanup chain.
181 Use do_cleanups to do all cleanup actions back to a given
182 point in the chain. Use discard_cleanups to remove cleanups
183 from the chain back to a given point, not doing them. */
187 struct cleanup
*next
;
188 void (*function
) PARAMS ((PTR
));
193 /* The ability to declare that a function never returns is useful, but
194 not really required to compile GDB successfully, so the NORETURN and
195 ATTR_NORETURN macros normally expand into nothing. */
197 /* If compiling with older versions of GCC, a function may be declared
198 "volatile" to indicate that it does not return. */
201 # if defined(__GNUC__) \
202 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
203 # define NORETURN volatile
205 # define NORETURN /* nothing */
209 /* GCC 2.5 and later versions define a function attribute "noreturn",
210 which is the preferred way to declare that a function never returns.
211 However GCC 2.7 appears to be the first version in which this fully
212 works everywhere we use it. */
214 #ifndef ATTR_NORETURN
215 # if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 7
216 # define ATTR_NORETURN __attribute__ ((noreturn))
218 # define ATTR_NORETURN /* nothing */
223 # if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 4 && defined (__ANSI_PROTOTYPES)
224 # define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
226 # define ATTR_FORMAT(type, x, y) /* nothing */
230 /* Needed for various prototypes */
237 /* From blockframe.c */
239 extern int inside_entry_func
PARAMS ((CORE_ADDR
));
241 extern int inside_entry_file
PARAMS ((CORE_ADDR addr
));
243 extern int inside_main_func
PARAMS ((CORE_ADDR pc
));
245 /* From ch-lang.c, for the moment. (FIXME) */
247 extern char *chill_demangle
PARAMS ((const char *));
251 extern void notice_quit
PARAMS ((void));
253 extern int strcmp_iw
PARAMS ((const char *, const char *));
255 extern char *safe_strerror
PARAMS ((int));
257 extern char *safe_strsignal
PARAMS ((int));
259 extern void init_malloc
PARAMS ((void *));
261 extern void request_quit
PARAMS ((int));
263 extern void do_cleanups
PARAMS ((struct cleanup
*));
264 extern void do_final_cleanups
PARAMS ((struct cleanup
*));
265 extern void do_my_cleanups
PARAMS ((struct cleanup
**, struct cleanup
*));
266 extern void do_run_cleanups
PARAMS ((struct cleanup
*));
268 extern void discard_cleanups
PARAMS ((struct cleanup
*));
269 extern void discard_final_cleanups
PARAMS ((struct cleanup
*));
270 extern void discard_my_cleanups
PARAMS ((struct cleanup
**, struct cleanup
*));
272 typedef void (*make_cleanup_func
) PARAMS ((void *));
274 extern struct cleanup
*make_cleanup
PARAMS ((make_cleanup_func
, void *));
276 extern struct cleanup
*make_final_cleanup
PARAMS ((make_cleanup_func
, void *));
278 extern struct cleanup
*make_my_cleanup
PARAMS ((struct cleanup
**,
279 make_cleanup_func
, void *));
281 extern struct cleanup
*make_run_cleanup
PARAMS ((make_cleanup_func
, void *));
283 extern struct cleanup
*save_cleanups
PARAMS ((void));
284 extern struct cleanup
*save_final_cleanups
PARAMS ((void));
285 extern struct cleanup
*save_my_cleanups
PARAMS ((struct cleanup
**));
287 extern void restore_cleanups
PARAMS ((struct cleanup
*));
288 extern void restore_final_cleanups
PARAMS ((struct cleanup
*));
289 extern void restore_my_cleanups
PARAMS ((struct cleanup
**, struct cleanup
*));
291 extern void free_current_contents
PARAMS ((char **));
293 extern void null_cleanup
PARAMS ((PTR
));
295 extern int myread
PARAMS ((int, char *, int));
297 extern int query
PARAMS((char *, ...))
298 ATTR_FORMAT(printf
, 1, 2);
300 #if !defined (USE_MMALLOC)
301 extern PTR mmalloc
PARAMS ((PTR
, size_t));
302 extern PTR mrealloc
PARAMS ((PTR
, PTR
, size_t));
303 extern void mfree
PARAMS ((PTR
, PTR
));
306 /* From demangle.c */
308 extern void set_demangling_style
PARAMS ((char *));
313 typedef int (use_struct_convention_fn
) PARAMS ((int gcc_p
, struct type
*value_type
));
314 extern use_struct_convention_fn generic_use_struct_convention
;
316 typedef unsigned char *(breakpoint_from_pc_fn
) PARAMS ((CORE_ADDR
*pcptr
, int *lenptr
));
320 /* Annotation stuff. */
322 extern int annotation_level
; /* in stack.c */
324 extern void begin_line
PARAMS ((void));
326 extern void wrap_here
PARAMS ((char *));
328 extern void reinitialize_more_filter
PARAMS ((void));
338 typedef struct tui_stream
340 enum streamtype ts_streamtype
;
346 extern GDB_FILE
*gdb_stdout
;
347 extern GDB_FILE
*gdb_stderr
;
350 typedef FILE GDB_FILE
;
351 #define gdb_stdout stdout
352 #define gdb_stderr stderr
357 #include "tuiCommand.h"
360 #include "tuiLayout.h"
364 extern void gdb_fclose
PARAMS ((GDB_FILE
**));
366 extern void gdb_flush
PARAMS ((GDB_FILE
*));
368 extern GDB_FILE
*gdb_fopen
PARAMS ((char * name
, char * mode
));
370 extern void fputs_filtered
PARAMS ((const char *, GDB_FILE
*));
372 extern void fputs_unfiltered
PARAMS ((const char *, GDB_FILE
*));
374 extern int fputc_filtered
PARAMS ((int c
, GDB_FILE
*));
376 extern int fputc_unfiltered
PARAMS ((int c
, GDB_FILE
*));
378 extern int putchar_unfiltered
PARAMS ((int c
));
380 extern void puts_filtered
PARAMS ((const char *));
382 extern void puts_unfiltered
PARAMS ((const char *));
384 extern void puts_debug
PARAMS ((char *prefix
, char *string
, char *suffix
));
386 extern void vprintf_filtered
PARAMS ((const char *, va_list))
387 ATTR_FORMAT(printf
, 1, 0);
389 extern void vfprintf_filtered
PARAMS ((GDB_FILE
*, const char *, va_list))
390 ATTR_FORMAT(printf
, 2, 0);
392 extern void fprintf_filtered
PARAMS ((GDB_FILE
*, const char *, ...))
393 ATTR_FORMAT(printf
, 2, 3);
395 extern void fprintfi_filtered
PARAMS ((int, GDB_FILE
*, const char *, ...))
396 ATTR_FORMAT(printf
, 3, 4);
398 extern void printf_filtered
PARAMS ((const char *, ...))
399 ATTR_FORMAT(printf
, 1, 2);
401 extern void printfi_filtered
PARAMS ((int, const char *, ...))
402 ATTR_FORMAT(printf
, 2, 3);
404 extern void vprintf_unfiltered
PARAMS ((const char *, va_list))
405 ATTR_FORMAT(printf
, 1, 0);
407 extern void vfprintf_unfiltered
PARAMS ((GDB_FILE
*, const char *, va_list))
408 ATTR_FORMAT(printf
, 2, 0);
410 extern void fprintf_unfiltered
PARAMS ((GDB_FILE
*, const char *, ...))
411 ATTR_FORMAT(printf
, 2, 3);
413 extern void printf_unfiltered
PARAMS ((const char *, ...))
414 ATTR_FORMAT(printf
, 1, 2);
416 extern int gdb_file_isatty
PARAMS ((GDB_FILE
*));
418 extern GDB_FILE
*gdb_file_init_astring
PARAMS ((int));
420 extern void gdb_file_deallocate
PARAMS ((GDB_FILE
**));
422 extern char *gdb_file_get_strbuf
PARAMS ((GDB_FILE
*));
424 extern void gdb_file_adjust_strbuf
PARAMS ((int, GDB_FILE
*));
426 extern void print_spaces
PARAMS ((int, GDB_FILE
*));
428 extern void print_spaces_filtered
PARAMS ((int, GDB_FILE
*));
430 extern char *n_spaces
PARAMS ((int));
432 extern void gdb_printchar
PARAMS ((int, GDB_FILE
*, int));
434 extern void gdb_print_address
PARAMS ((void *, GDB_FILE
*));
436 typedef bfd_vma t_addr
;
437 typedef bfd_vma t_reg
;
438 extern char* paddr
PARAMS ((t_addr addr
));
440 extern char* preg
PARAMS ((t_reg reg
));
442 extern char* paddr_nz
PARAMS ((t_addr addr
));
444 extern char* preg_nz
PARAMS ((t_reg reg
));
446 extern void fprintf_symbol_filtered
PARAMS ((GDB_FILE
*, char *,
447 enum language
, int));
449 extern NORETURN
void perror_with_name
PARAMS ((char *)) ATTR_NORETURN
;
451 extern void print_sys_errmsg
PARAMS ((char *, int));
453 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
454 "const char *" in unistd.h, so we can't declare the argument
457 extern char *re_comp
PARAMS ((const char *));
461 extern void symbol_file_command
PARAMS ((char *, int));
465 extern char *skip_quoted
PARAMS ((char *));
467 extern char *gdb_readline
PARAMS ((char *));
469 extern char *command_line_input
PARAMS ((char *, int, char *));
471 extern void print_prompt
PARAMS ((void));
473 extern int input_from_terminal_p
PARAMS ((void));
475 extern int info_verbose
;
477 /* From printcmd.c */
479 extern void set_next_address
PARAMS ((CORE_ADDR
));
481 extern void print_address_symbolic
PARAMS ((CORE_ADDR
, GDB_FILE
*, int,
484 extern void print_address_numeric
PARAMS ((CORE_ADDR
, int, GDB_FILE
*));
486 extern void print_address
PARAMS ((CORE_ADDR
, GDB_FILE
*));
490 extern int openp
PARAMS ((char *, int, char *, int, int, char **));
492 extern int source_full_path_of
PARAMS ((char *, char **));
494 extern void mod_path
PARAMS ((char *, char **));
496 extern void directory_command
PARAMS ((char *, int));
498 extern void init_source_path
PARAMS ((void));
500 extern char *symtab_to_filename
PARAMS ((struct symtab
*));
504 extern int read_relative_register_raw_bytes
PARAMS ((int, char *));
506 /* From readline (but not in any readline .h files). */
508 extern char *tilde_expand
PARAMS ((char *));
510 /* Control types for commands */
512 enum misc_command_type
520 enum command_control_type
530 /* Structure for saved commands lines
531 (for breakpoints, defined commands, etc). */
535 struct command_line
*next
;
537 enum command_control_type control_type
;
539 struct command_line
**body_list
;
542 extern struct command_line
*read_command_lines
PARAMS ((char *, int));
544 extern void free_command_lines
PARAMS ((struct command_line
**));
546 /* String containing the current directory (what getwd would return). */
548 extern char *current_directory
;
550 /* Default radixes for input and output. Only some values supported. */
551 extern unsigned input_radix
;
552 extern unsigned output_radix
;
554 /* Possibilities for prettyprint parameters to routines which print
555 things. Like enum language, this should be in value.h, but needs
556 to be here for the same reason. FIXME: If we can eliminate this
557 as an arg to LA_VAL_PRINT, then we can probably move it back to
562 Val_no_prettyprint
= 0,
564 /* Use the default setting which the user has specified. */
569 /* Host machine definition. This will be a symlink to one of the
570 xm-*.h files, built by the `configure' script. */
574 /* Native machine support. This will be a symlink to one of the
575 nm-*.h files, built by the `configure' script. */
579 /* Target machine definition. This will be a symlink to one of the
580 tm-*.h files, built by the `configure' script. */
584 /* If the xm.h file did not define the mode string used to open the
585 files, assume that binary files are opened the same way as text
588 #include "fopen-same.h"
591 /* Microsoft C can't deal with const pointers */
596 #define CONST_PTR const
600 * Allow things in gdb to be declared "volatile". If compiling ANSI, it
601 * just works. If compiling with gcc but non-ansi, redefine to __volatile__.
602 * If non-ansi, non-gcc, then eliminate "volatile" entirely, making those
603 * objects be read-write rather than read-only.
609 # define volatile __volatile__
611 # define volatile /*nothing*/
614 #endif /* volatile */
616 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
617 FIXME: Assumes 2's complement arithmetic */
619 #if !defined (UINT_MAX)
620 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
623 #if !defined (INT_MAX)
624 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
627 #if !defined (INT_MIN)
628 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
631 #if !defined (ULONG_MAX)
632 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
635 #if !defined (LONG_MAX)
636 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
643 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
645 #define LONGEST BFD_HOST_64_BIT
646 #define ULONGEST BFD_HOST_U_64_BIT
650 # ifdef CC_HAS_LONG_LONG
651 # define LONGEST long long
652 # define ULONGEST unsigned long long
654 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
655 (e.g. i386-windows) so try it. */
656 # ifdef BFD_HOST_64_BIT
657 # define LONGEST BFD_HOST_64_BIT
658 # define ULONGEST BFD_HOST_U_64_BIT
660 # define LONGEST long
661 # define ULONGEST unsigned long
665 #endif /* No BFD64 */
667 #endif /* ! LONGEST */
669 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
670 arguments to a function, number in a value history, register number, etc.)
671 where the value must not be larger than can fit in an int. */
673 extern int longest_to_int
PARAMS ((LONGEST
));
675 /* Assorted functions we can declare, now that const and volatile are
678 extern char *savestring
PARAMS ((const char *, int));
680 extern char *msavestring
PARAMS ((void *, const char *, int));
682 extern char *strsave
PARAMS ((const char *));
684 extern char *mstrsave
PARAMS ((void *, const char *));
686 #ifdef _MSC_VER /* FIXME; was long, but this causes compile errors in msvc if already defined */
687 extern PTR xmmalloc
PARAMS ((PTR
, size_t));
689 extern PTR xmrealloc
PARAMS ((PTR
, PTR
, size_t));
691 extern PTR xmmalloc
PARAMS ((PTR
, long));
693 extern PTR xmrealloc
PARAMS ((PTR
, PTR
, long));
696 extern int parse_escape
PARAMS ((char **));
698 /* compat - handle old targets that just define REGISTER_NAMES */
699 #ifndef REGISTER_NAME
700 extern char *gdb_register_names
[];
701 #define REGISTER_NAME(i) gdb_register_names[i]
704 /* Message to be printed before the error message, when an error occurs. */
706 extern char *error_pre_print
;
708 /* Message to be printed before the error message, when an error occurs. */
710 extern char *quit_pre_print
;
712 /* Message to be printed before the warning message, when a warning occurs. */
714 extern char *warning_pre_print
;
716 extern NORETURN
void error
PARAMS((const char *, ...)) ATTR_NORETURN
;
718 extern void error_begin
PARAMS ((void));
720 extern NORETURN
void fatal
PARAMS((char *, ...)) ATTR_NORETURN
;
722 extern NORETURN
void nomem
PARAMS ((long)) ATTR_NORETURN
;
724 /* Reasons for calling return_to_top_level. */
726 /* User interrupt. */
729 /* Any other error. */
733 #define RETURN_MASK_QUIT (1 << (int)RETURN_QUIT)
734 #define RETURN_MASK_ERROR (1 << (int)RETURN_ERROR)
735 #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
736 typedef int return_mask
;
739 return_to_top_level
PARAMS ((enum return_reason
)) ATTR_NORETURN
;
741 typedef int (catch_errors_ftype
) PARAMS ((PTR
));
742 extern int catch_errors
PARAMS ((catch_errors_ftype
*, PTR
, char *, return_mask
));
744 extern void warning_begin
PARAMS ((void));
746 extern void warning
PARAMS ((const char *, ...))
747 ATTR_FORMAT(printf
, 1, 2);
749 /* Global functions from other, non-gdb GNU thingies.
750 Libiberty thingies are no longer declared here. We include libiberty.h
753 #ifndef GETENV_PROVIDED
754 extern char *getenv
PARAMS ((const char *));
757 /* From other system libraries */
764 #if defined(_MSC_VER) && !defined(__cplusplus)
765 /* msvc defines these in stdlib.h for c code */
772 #define min(a, b) ((a) < (b) ? (a) : (b))
775 #define max(a, b) ((a) > (b) ? (a) : (b))
779 /* We take the address of fclose later, but some stdio's forget
780 to declare this. We can't always declare it since there's
781 no way to declare the parameters without upsetting some compiler
784 #ifndef FCLOSE_PROVIDED
785 extern int fclose
PARAMS ((FILE *));
789 extern double atof
PARAMS ((const char *)); /* X3.159-1989 4.10.1.1 */
792 #ifndef MALLOC_INCOMPATIBLE
794 #ifdef NEED_DECLARATION_MALLOC
795 extern PTR
malloc ();
798 #ifdef NEED_DECLARATION_REALLOC
799 extern PTR
realloc ();
802 #ifdef NEED_DECLARATION_FREE
806 #endif /* MALLOC_INCOMPATIBLE */
808 /* Various possibilities for alloca. */
811 # define alloca __builtin_alloca
812 # else /* Not GNU C */
813 # ifdef HAVE_ALLOCA_H
820 /* We need to be careful not to declare this in a way which conflicts with
821 bison. Bison never declares it as char *, but under various circumstances
822 (like __hpux) we need to use void *. */
823 # if defined (__STDC__) || defined (__hpux)
824 extern void *alloca ();
825 # else /* Don't use void *. */
826 extern char *alloca ();
827 # endif /* Don't use void *. */
828 # endif /* Not _AIX */
829 # endif /* Not HAVE_ALLOCA_H */
830 # endif /* Not GNU C */
831 #endif /* alloca not defined */
833 /* HOST_BYTE_ORDER must be defined to one of these. */
839 #if !defined (BIG_ENDIAN)
840 #define BIG_ENDIAN 4321
843 #if !defined (LITTLE_ENDIAN)
844 #define LITTLE_ENDIAN 1234
847 /* Dynamic target-system-dependent parameters for GDB. */
850 /* Static target-system-dependent parameters for GDB. */
852 /* Number of bits in a char or unsigned char for the target machine.
853 Just like CHAR_BIT in <limits.h> but describes the target machine. */
854 #if !defined (TARGET_CHAR_BIT)
855 #define TARGET_CHAR_BIT 8
858 /* Number of bits in a short or unsigned short for the target machine. */
859 #if !defined (TARGET_SHORT_BIT)
860 #define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT)
863 /* Number of bits in an int or unsigned int for the target machine. */
864 #if !defined (TARGET_INT_BIT)
865 #define TARGET_INT_BIT (4 * TARGET_CHAR_BIT)
868 /* Number of bits in a long or unsigned long for the target machine. */
869 #if !defined (TARGET_LONG_BIT)
870 #define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT)
873 /* Number of bits in a long long or unsigned long long for the target machine. */
874 #if !defined (TARGET_LONG_LONG_BIT)
875 #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT)
878 /* Number of bits in a float for the target machine. */
879 #if !defined (TARGET_FLOAT_BIT)
880 #define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT)
883 /* Number of bits in a double for the target machine. */
884 #if !defined (TARGET_DOUBLE_BIT)
885 #define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT)
888 /* Number of bits in a long double for the target machine. */
889 #if !defined (TARGET_LONG_DOUBLE_BIT)
890 #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT)
893 /* Number of bits in a pointer for the target machine */
894 #if !defined (TARGET_PTR_BIT)
895 #define TARGET_PTR_BIT TARGET_INT_BIT
898 /* If we picked up a copy of CHAR_BIT from a configuration file
899 (which may get it by including <limits.h>) then use it to set
900 the number of bits in a host char. If not, use the same size
903 #if defined (CHAR_BIT)
904 #define HOST_CHAR_BIT CHAR_BIT
906 #define HOST_CHAR_BIT TARGET_CHAR_BIT
909 /* The bit byte-order has to do just with numbering of bits in
910 debugging symbols and such. Conceptually, it's quite separate
911 from byte/word byte order. */
913 #if !defined (BITS_BIG_ENDIAN)
914 #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN)
919 extern LONGEST extract_signed_integer
PARAMS ((void *, int));
921 extern ULONGEST extract_unsigned_integer
PARAMS ((void *, int));
923 extern int extract_long_unsigned_integer
PARAMS ((void *, int, LONGEST
*));
925 extern CORE_ADDR extract_address
PARAMS ((void *, int));
927 extern void store_signed_integer
PARAMS ((PTR
, int, LONGEST
));
929 extern void store_unsigned_integer
PARAMS ((PTR
, int, ULONGEST
));
931 extern void store_address
PARAMS ((PTR
, int, LONGEST
));
933 /* Setup definitions for host and target floating point formats. We need to
934 consider the format for `float', `double', and `long double' for both target
935 and host. We need to do this so that we know what kind of conversions need
936 to be done when converting target numbers to and from the hosts DOUBLEST
939 /* This is used to indicate that we don't know the format of the floating point
940 number. Typically, this is useful for native ports, where the actual format
941 is irrelevant, since no conversions will be taking place. */
943 extern const struct floatformat floatformat_unknown
;
945 #if HOST_BYTE_ORDER == BIG_ENDIAN
946 # ifndef HOST_FLOAT_FORMAT
947 # define HOST_FLOAT_FORMAT &floatformat_ieee_single_big
949 # ifndef HOST_DOUBLE_FORMAT
950 # define HOST_DOUBLE_FORMAT &floatformat_ieee_double_big
952 #else /* LITTLE_ENDIAN */
953 # ifndef HOST_FLOAT_FORMAT
954 # define HOST_FLOAT_FORMAT &floatformat_ieee_single_little
956 # ifndef HOST_DOUBLE_FORMAT
957 # define HOST_DOUBLE_FORMAT &floatformat_ieee_double_little
961 #ifndef HOST_LONG_DOUBLE_FORMAT
962 #define HOST_LONG_DOUBLE_FORMAT &floatformat_unknown
965 #ifndef TARGET_FLOAT_FORMAT
966 #define TARGET_FLOAT_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \
967 ? &floatformat_ieee_single_big \
968 : &floatformat_ieee_single_little)
970 #ifndef TARGET_DOUBLE_FORMAT
971 #define TARGET_DOUBLE_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \
972 ? &floatformat_ieee_double_big \
973 : &floatformat_ieee_double_little)
976 #ifndef TARGET_LONG_DOUBLE_FORMAT
977 # define TARGET_LONG_DOUBLE_FORMAT &floatformat_unknown
980 /* Use `long double' if the host compiler supports it. (Note that this is not
981 necessarily any longer than `double'. On SunOS/gcc, it's the same as
982 double.) This is necessary because GDB internally converts all floating
983 point values to the widest type supported by the host.
985 There are problems however, when the target `long double' is longer than the
986 host's `long double'. In general, we'll probably reduce the precision of
987 any such values and print a warning. */
989 #ifdef HAVE_LONG_DOUBLE
990 typedef long double DOUBLEST
;
992 typedef double DOUBLEST
;
995 extern void floatformat_to_doublest
PARAMS ((const struct floatformat
*,
996 char *, DOUBLEST
*));
997 extern void floatformat_from_doublest
PARAMS ((const struct floatformat
*,
998 DOUBLEST
*, char *));
999 extern DOUBLEST extract_floating
PARAMS ((void *, int));
1001 extern void store_floating
PARAMS ((void *, int, DOUBLEST
));
1003 /* On some machines there are bits in addresses which are not really
1004 part of the address, but are used by the kernel, the hardware, etc.
1005 for special purposes. ADDR_BITS_REMOVE takes out any such bits
1006 so we get a "real" address such as one would find in a symbol
1007 table. This is used only for addresses of instructions, and even then
1008 I'm not sure it's used in all contexts. It exists to deal with there
1009 being a few stray bits in the PC which would mislead us, not as some sort
1010 of generic thing to handle alignment or segmentation (it's possible it
1011 should be in TARGET_READ_PC instead). */
1012 #if !defined (ADDR_BITS_REMOVE)
1013 #define ADDR_BITS_REMOVE(addr) (addr)
1014 #endif /* No ADDR_BITS_REMOVE. */
1018 extern CORE_ADDR push_bytes
PARAMS ((CORE_ADDR
, char *, int));
1020 extern CORE_ADDR push_word
PARAMS ((CORE_ADDR
, ULONGEST
));
1022 /* Some parts of gdb might be considered optional, in the sense that they
1023 are not essential for being able to build a working, usable debugger
1024 for a specific environment. For example, the maintenance commands
1025 are there for the benefit of gdb maintainers. As another example,
1026 some environments really don't need gdb's that are able to read N
1027 different object file formats. In order to make it possible (but
1028 not necessarily recommended) to build "stripped down" versions of
1029 gdb, the following defines control selective compilation of those
1030 parts of gdb which can be safely left out when necessary. Note that
1031 the default is to include everything. */
1033 #ifndef MAINTENANCE_CMDS
1034 #define MAINTENANCE_CMDS 1
1037 #ifdef MAINTENANCE_CMDS
1038 extern int watchdog
;
1041 /* Hooks for alternate command interfaces. */
1044 struct target_waitstatus
;
1045 struct cmd_list_element
;
1048 extern void (*init_ui_hook
) PARAMS ((char *argv0
));
1049 extern void (*command_loop_hook
) PARAMS ((void));
1050 extern void (*fputs_unfiltered_hook
) PARAMS ((const char *linebuffer
,
1052 extern void (*print_frame_info_listing_hook
) PARAMS ((struct symtab
*s
,
1053 int line
, int stopline
,
1055 extern struct frame_info
*parse_frame_specification
PARAMS ((char *frame_exp
));
1056 extern int (*query_hook
) PARAMS ((const char *, va_list));
1057 extern void (*warning_hook
) PARAMS ((const char *, va_list));
1058 extern void (*flush_hook
) PARAMS ((GDB_FILE
*stream
));
1059 extern void (*create_breakpoint_hook
) PARAMS ((struct breakpoint
*b
));
1060 extern void (*delete_breakpoint_hook
) PARAMS ((struct breakpoint
*bpt
));
1061 extern void (*modify_breakpoint_hook
) PARAMS ((struct breakpoint
*bpt
));
1062 extern void (*target_output_hook
) PARAMS ((char *));
1063 extern void (*interactive_hook
) PARAMS ((void));
1064 extern void (*registers_changed_hook
) PARAMS ((void));
1065 extern void (*readline_begin_hook
) PARAMS ((char *, ...));
1066 extern char * (*readline_hook
) PARAMS ((char *));
1067 extern void (*readline_end_hook
) PARAMS ((void));
1068 extern void (*register_changed_hook
) PARAMS ((int regno
));
1069 extern void (*memory_changed_hook
) PARAMS ((CORE_ADDR addr
, int len
));
1070 extern void (*context_hook
) PARAMS ((int));
1071 extern int (*target_wait_hook
) PARAMS ((int pid
,
1072 struct target_waitstatus
*status
));
1074 extern void (*call_command_hook
) PARAMS ((struct cmd_list_element
*c
,
1075 char *cmd
, int from_tty
));
1077 extern NORETURN
void (*error_hook
) PARAMS ((void)) ATTR_NORETURN
;
1079 extern void (*error_begin_hook
) PARAMS ((void));
1082 /* Inhibit window interface if non-zero. */
1084 extern int use_windows
;
1086 /* Symbolic definitions of filename-related things. */
1087 /* FIXME, this doesn't work very well if host and executable
1088 filesystems conventions are different. */
1090 #ifndef DIRNAME_SEPARATOR
1091 #define DIRNAME_SEPARATOR ':'
1095 #if defined(__GO32__)||defined(_WIN32)
1096 #define SLASH_P(X) ((X)=='\\')
1098 #define SLASH_P(X) ((X)=='/')
1103 #if defined(__GO32__)||defined(_WIN32)
1104 #define SLASH_CHAR '\\'
1106 #define SLASH_CHAR '/'
1110 #ifndef SLASH_STRING
1111 #if defined(__GO32__)||defined(_WIN32)
1112 #define SLASH_STRING "\\"
1114 #define SLASH_STRING "/"
1119 #define ROOTED_P(X) (SLASH_P((X)[0]))
1122 /* On some systems, PIDGET is defined to extract the inferior pid from
1123 an internal pid that has the thread id and pid in seperate bit
1124 fields. If not defined, then just use the entire internal pid as
1128 #define PIDGET(pid) (pid)
1131 /* If under Cygwin, provide backwards compatibility with older
1132 Cygwin compilers that don't define the current cpp define. */
1139 #endif /* #ifndef DEFS_H */