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 */
362 extern GDB_FILE
*gdb_stdout
;
363 extern GDB_FILE
*gdb_stderr
;
367 #include "tuiCommand.h"
370 #include "tuiLayout.h"
374 /* Create a new gdb_file with the specified methods. */
376 typedef void (gdb_file_flush_ftype
) PARAMS ((struct gdb_file
*stream
));
377 extern void set_gdb_file_flush
PARAMS ((struct gdb_file
*stream
, gdb_file_flush_ftype
*flush
));
379 typedef void (gdb_file_fputs_ftype
) PARAMS ((const char *, struct gdb_file
*stream
));
380 extern void set_gdb_file_fputs
PARAMS ((struct gdb_file
*stream
, gdb_file_fputs_ftype
*fputs
));
382 typedef int (gdb_file_isatty_ftype
) PARAMS ((struct gdb_file
*stream
));
383 extern void set_gdb_file_isatty
PARAMS ((struct gdb_file
*stream
, gdb_file_isatty_ftype
*isatty
));
385 typedef void (gdb_file_delete_ftype
) PARAMS ((struct gdb_file
*stream
));
386 extern void set_gdb_file_data
PARAMS ((struct gdb_file
*stream
, void *data
, gdb_file_delete_ftype
*delete));
388 extern struct gdb_file
*gdb_file_new
PARAMS ((void));
390 extern void gdb_file_delete
PARAMS ((struct gdb_file
*stream
));
392 extern void *gdb_file_data
PARAMS ((struct gdb_file
*file
));
394 /* Open the specified FILE as a gdb_file. */
395 extern struct gdb_file
*stdio_fileopen
PARAMS ((FILE *));
396 /* #if defined (TUI) */
397 extern struct gdb_file
*tui_fileopen
PARAMS ((FILE *));
400 /* deprecated - use gdb_file_delete */
401 extern void gdb_fclose
PARAMS ((GDB_FILE
**));
403 extern void gdb_flush
PARAMS ((GDB_FILE
*));
405 extern GDB_FILE
*gdb_fopen
PARAMS ((char * name
, char * mode
));
407 extern void fputs_filtered
PARAMS ((const char *, GDB_FILE
*));
409 extern void fputs_unfiltered
PARAMS ((const char *, GDB_FILE
*));
411 extern int fputc_filtered
PARAMS ((int c
, GDB_FILE
*));
413 extern int fputc_unfiltered
PARAMS ((int c
, GDB_FILE
*));
415 extern int putchar_unfiltered
PARAMS ((int c
));
417 extern void puts_filtered
PARAMS ((const char *));
419 extern void puts_unfiltered
PARAMS ((const char *));
421 extern void puts_debug
PARAMS ((char *prefix
, char *string
, char *suffix
));
423 extern void vprintf_filtered
PARAMS ((const char *, va_list))
424 ATTR_FORMAT(printf
, 1, 0);
426 extern void vfprintf_filtered
PARAMS ((GDB_FILE
*, const char *, va_list))
427 ATTR_FORMAT(printf
, 2, 0);
429 extern void fprintf_filtered
PARAMS ((GDB_FILE
*, const char *, ...))
430 ATTR_FORMAT(printf
, 2, 3);
432 extern void fprintfi_filtered
PARAMS ((int, GDB_FILE
*, const char *, ...))
433 ATTR_FORMAT(printf
, 3, 4);
435 extern void printf_filtered
PARAMS ((const char *, ...))
436 ATTR_FORMAT(printf
, 1, 2);
438 extern void printfi_filtered
PARAMS ((int, const char *, ...))
439 ATTR_FORMAT(printf
, 2, 3);
441 extern void vprintf_unfiltered
PARAMS ((const char *, va_list))
442 ATTR_FORMAT(printf
, 1, 0);
444 extern void vfprintf_unfiltered
PARAMS ((GDB_FILE
*, const char *, va_list))
445 ATTR_FORMAT(printf
, 2, 0);
447 extern void fprintf_unfiltered
PARAMS ((GDB_FILE
*, const char *, ...))
448 ATTR_FORMAT(printf
, 2, 3);
450 extern void printf_unfiltered
PARAMS ((const char *, ...))
451 ATTR_FORMAT(printf
, 1, 2);
453 extern int gdb_file_isatty
PARAMS ((GDB_FILE
*));
455 /* #if defined (TUI) */
456 extern GDB_FILE
*gdb_file_init_astring
PARAMS ((int));
459 extern void gdb_file_deallocate
PARAMS ((GDB_FILE
**));
461 /* #if defined (TUI) */
462 extern char *gdb_file_get_strbuf
PARAMS ((GDB_FILE
*));
465 /* #if defined (TUI) */
466 extern void gdb_file_adjust_strbuf
PARAMS ((int, GDB_FILE
*));
469 extern void print_spaces
PARAMS ((int, GDB_FILE
*));
471 extern void print_spaces_filtered
PARAMS ((int, GDB_FILE
*));
473 extern char *n_spaces
PARAMS ((int));
475 extern void gdb_printchar
PARAMS ((int, GDB_FILE
*, int));
477 extern void gdb_print_address
PARAMS ((void *, GDB_FILE
*));
479 typedef bfd_vma t_addr
;
480 typedef bfd_vma t_reg
;
481 extern char* paddr
PARAMS ((t_addr addr
));
483 extern char* preg
PARAMS ((t_reg reg
));
485 extern char* paddr_nz
PARAMS ((t_addr addr
));
487 extern char* preg_nz
PARAMS ((t_reg reg
));
489 extern void fprintf_symbol_filtered
PARAMS ((GDB_FILE
*, char *,
490 enum language
, int));
492 extern NORETURN
void perror_with_name
PARAMS ((char *)) ATTR_NORETURN
;
494 extern void print_sys_errmsg
PARAMS ((char *, int));
496 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
497 "const char *" in unistd.h, so we can't declare the argument
500 extern char *re_comp
PARAMS ((const char *));
504 extern void symbol_file_command
PARAMS ((char *, int));
508 extern char *skip_quoted
PARAMS ((char *));
510 extern char *gdb_readline
PARAMS ((char *));
512 extern char *command_line_input
PARAMS ((char *, int, char *));
514 extern void print_prompt
PARAMS ((void));
516 extern int input_from_terminal_p
PARAMS ((void));
518 extern int info_verbose
;
520 /* From printcmd.c */
522 extern void set_next_address
PARAMS ((CORE_ADDR
));
524 extern void print_address_symbolic
PARAMS ((CORE_ADDR
, GDB_FILE
*, int,
527 extern void print_address_numeric
PARAMS ((CORE_ADDR
, int, GDB_FILE
*));
529 extern void print_address
PARAMS ((CORE_ADDR
, GDB_FILE
*));
533 extern int openp
PARAMS ((char *, int, char *, int, int, char **));
535 extern int source_full_path_of
PARAMS ((char *, char **));
537 extern void mod_path
PARAMS ((char *, char **));
539 extern void directory_command
PARAMS ((char *, int));
541 extern void init_source_path
PARAMS ((void));
543 extern char *symtab_to_filename
PARAMS ((struct symtab
*));
547 extern int read_relative_register_raw_bytes
PARAMS ((int, char *));
553 void default_get_saved_register
PARAMS ((char *raw_buffer
, int *optimized
,
555 struct frame_info
*frame
, int regnum
,
556 enum lval_type
*lval
));
558 /* From readline (but not in any readline .h files). */
560 extern char *tilde_expand
PARAMS ((char *));
562 /* Control types for commands */
564 enum misc_command_type
572 enum command_control_type
582 /* Structure for saved commands lines
583 (for breakpoints, defined commands, etc). */
587 struct command_line
*next
;
589 enum command_control_type control_type
;
591 struct command_line
**body_list
;
594 extern struct command_line
*read_command_lines
PARAMS ((char *, int));
596 extern void free_command_lines
PARAMS ((struct command_line
**));
598 /* String containing the current directory (what getwd would return). */
600 extern char *current_directory
;
602 /* Default radixes for input and output. Only some values supported. */
603 extern unsigned input_radix
;
604 extern unsigned output_radix
;
606 /* Possibilities for prettyprint parameters to routines which print
607 things. Like enum language, this should be in value.h, but needs
608 to be here for the same reason. FIXME: If we can eliminate this
609 as an arg to LA_VAL_PRINT, then we can probably move it back to
614 Val_no_prettyprint
= 0,
616 /* Use the default setting which the user has specified. */
621 /* Host machine definition. This will be a symlink to one of the
622 xm-*.h files, built by the `configure' script. */
626 /* Native machine support. This will be a symlink to one of the
627 nm-*.h files, built by the `configure' script. */
631 /* Target machine definition. This will be a symlink to one of the
632 tm-*.h files, built by the `configure' script. */
636 /* If the xm.h file did not define the mode string used to open the
637 files, assume that binary files are opened the same way as text
640 #include "fopen-same.h"
643 /* Microsoft C can't deal with const pointers */
648 #define CONST_PTR const
652 * Allow things in gdb to be declared "volatile". If compiling ANSI, it
653 * just works. If compiling with gcc but non-ansi, redefine to __volatile__.
654 * If non-ansi, non-gcc, then eliminate "volatile" entirely, making those
655 * objects be read-write rather than read-only.
661 # define volatile __volatile__
663 # define volatile /*nothing*/
666 #endif /* volatile */
668 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
669 FIXME: Assumes 2's complement arithmetic */
671 #if !defined (UINT_MAX)
672 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
675 #if !defined (INT_MAX)
676 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
679 #if !defined (INT_MIN)
680 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
683 #if !defined (ULONG_MAX)
684 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
687 #if !defined (LONG_MAX)
688 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
695 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
697 #define LONGEST BFD_HOST_64_BIT
698 #define ULONGEST BFD_HOST_U_64_BIT
702 # ifdef CC_HAS_LONG_LONG
703 # define LONGEST long long
704 # define ULONGEST unsigned long long
706 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
707 (e.g. i386-windows) so try it. */
708 # ifdef BFD_HOST_64_BIT
709 # define LONGEST BFD_HOST_64_BIT
710 # define ULONGEST BFD_HOST_U_64_BIT
712 # define LONGEST long
713 # define ULONGEST unsigned long
717 #endif /* No BFD64 */
719 #endif /* ! LONGEST */
721 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
722 arguments to a function, number in a value history, register number, etc.)
723 where the value must not be larger than can fit in an int. */
725 extern int longest_to_int
PARAMS ((LONGEST
));
727 /* Assorted functions we can declare, now that const and volatile are
730 extern char *savestring
PARAMS ((const char *, int));
732 extern char *msavestring
PARAMS ((void *, const char *, int));
734 extern char *strsave
PARAMS ((const char *));
736 extern char *mstrsave
PARAMS ((void *, const char *));
738 #ifdef _MSC_VER /* FIXME; was long, but this causes compile errors in msvc if already defined */
739 extern PTR xmmalloc
PARAMS ((PTR
, size_t));
741 extern PTR xmrealloc
PARAMS ((PTR
, PTR
, size_t));
743 extern PTR xmmalloc
PARAMS ((PTR
, long));
745 extern PTR xmrealloc
PARAMS ((PTR
, PTR
, long));
748 extern int parse_escape
PARAMS ((char **));
750 /* Message to be printed before the error message, when an error occurs. */
752 extern char *error_pre_print
;
754 /* Message to be printed before the error message, when an error occurs. */
756 extern char *quit_pre_print
;
758 /* Message to be printed before the warning message, when a warning occurs. */
760 extern char *warning_pre_print
;
762 extern NORETURN
void error
PARAMS((const char *, ...)) ATTR_NORETURN
;
764 extern void error_begin
PARAMS ((void));
766 extern NORETURN
void fatal
PARAMS((char *, ...)) ATTR_NORETURN
;
768 extern NORETURN
void nomem
PARAMS ((long)) ATTR_NORETURN
;
770 /* Reasons for calling return_to_top_level. */
772 /* User interrupt. */
775 /* Any other error. */
779 #define RETURN_MASK_QUIT (1 << (int)RETURN_QUIT)
780 #define RETURN_MASK_ERROR (1 << (int)RETURN_ERROR)
781 #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
782 typedef int return_mask
;
785 return_to_top_level
PARAMS ((enum return_reason
)) ATTR_NORETURN
;
787 typedef int (catch_errors_ftype
) PARAMS ((PTR
));
788 extern int catch_errors
PARAMS ((catch_errors_ftype
*, PTR
, char *, return_mask
));
790 extern void warning_begin
PARAMS ((void));
792 extern void warning
PARAMS ((const char *, ...))
793 ATTR_FORMAT(printf
, 1, 2);
795 /* Global functions from other, non-gdb GNU thingies.
796 Libiberty thingies are no longer declared here. We include libiberty.h
799 #ifndef GETENV_PROVIDED
800 extern char *getenv
PARAMS ((const char *));
803 /* From other system libraries */
810 #if defined(_MSC_VER) && !defined(__cplusplus)
811 /* msvc defines these in stdlib.h for c code */
818 #define min(a, b) ((a) < (b) ? (a) : (b))
821 #define max(a, b) ((a) > (b) ? (a) : (b))
825 /* We take the address of fclose later, but some stdio's forget
826 to declare this. We can't always declare it since there's
827 no way to declare the parameters without upsetting some compiler
830 #ifndef FCLOSE_PROVIDED
831 extern int fclose
PARAMS ((FILE *));
835 extern double atof
PARAMS ((const char *)); /* X3.159-1989 4.10.1.1 */
838 #ifndef MALLOC_INCOMPATIBLE
840 #ifdef NEED_DECLARATION_MALLOC
841 extern PTR
malloc ();
844 #ifdef NEED_DECLARATION_REALLOC
845 extern PTR
realloc ();
848 #ifdef NEED_DECLARATION_FREE
852 #endif /* MALLOC_INCOMPATIBLE */
854 /* Various possibilities for alloca. */
857 # define alloca __builtin_alloca
858 # else /* Not GNU C */
859 # ifdef HAVE_ALLOCA_H
866 /* We need to be careful not to declare this in a way which conflicts with
867 bison. Bison never declares it as char *, but under various circumstances
868 (like __hpux) we need to use void *. */
869 # if defined (__STDC__) || defined (__hpux)
870 extern void *alloca ();
871 # else /* Don't use void *. */
872 extern char *alloca ();
873 # endif /* Don't use void *. */
874 # endif /* Not _AIX */
875 # endif /* Not HAVE_ALLOCA_H */
876 # endif /* Not GNU C */
877 #endif /* alloca not defined */
879 /* HOST_BYTE_ORDER must be defined to one of these. */
885 #if !defined (BIG_ENDIAN)
886 #define BIG_ENDIAN 4321
889 #if !defined (LITTLE_ENDIAN)
890 #define LITTLE_ENDIAN 1234
893 /* Dynamic target-system-dependent parameters for GDB. */
896 /* Static target-system-dependent parameters for GDB. */
898 /* Number of bits in a char or unsigned char for the target machine.
899 Just like CHAR_BIT in <limits.h> but describes the target machine. */
900 #if !defined (TARGET_CHAR_BIT)
901 #define TARGET_CHAR_BIT 8
904 /* Number of bits in a short or unsigned short for the target machine. */
905 #if !defined (TARGET_SHORT_BIT)
906 #define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT)
909 /* Number of bits in an int or unsigned int for the target machine. */
910 #if !defined (TARGET_INT_BIT)
911 #define TARGET_INT_BIT (4 * TARGET_CHAR_BIT)
914 /* Number of bits in a long or unsigned long for the target machine. */
915 #if !defined (TARGET_LONG_BIT)
916 #define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT)
919 /* Number of bits in a long long or unsigned long long for the target machine. */
920 #if !defined (TARGET_LONG_LONG_BIT)
921 #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT)
924 /* Number of bits in a float for the target machine. */
925 #if !defined (TARGET_FLOAT_BIT)
926 #define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT)
929 /* Number of bits in a double for the target machine. */
930 #if !defined (TARGET_DOUBLE_BIT)
931 #define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT)
934 /* Number of bits in a long double for the target machine. */
935 #if !defined (TARGET_LONG_DOUBLE_BIT)
936 #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT)
939 /* Number of bits in a pointer for the target machine */
940 #if !defined (TARGET_PTR_BIT)
941 #define TARGET_PTR_BIT TARGET_INT_BIT
944 /* If we picked up a copy of CHAR_BIT from a configuration file
945 (which may get it by including <limits.h>) then use it to set
946 the number of bits in a host char. If not, use the same size
949 #if defined (CHAR_BIT)
950 #define HOST_CHAR_BIT CHAR_BIT
952 #define HOST_CHAR_BIT TARGET_CHAR_BIT
955 /* The bit byte-order has to do just with numbering of bits in
956 debugging symbols and such. Conceptually, it's quite separate
957 from byte/word byte order. */
959 #if !defined (BITS_BIG_ENDIAN)
960 #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN)
965 extern LONGEST extract_signed_integer
PARAMS ((void *, int));
967 extern ULONGEST extract_unsigned_integer
PARAMS ((void *, int));
969 extern int extract_long_unsigned_integer
PARAMS ((void *, int, LONGEST
*));
971 extern CORE_ADDR extract_address
PARAMS ((void *, int));
973 extern void store_signed_integer
PARAMS ((PTR
, int, LONGEST
));
975 extern void store_unsigned_integer
PARAMS ((PTR
, int, ULONGEST
));
977 extern void store_address
PARAMS ((PTR
, int, LONGEST
));
979 /* Setup definitions for host and target floating point formats. We need to
980 consider the format for `float', `double', and `long double' for both target
981 and host. We need to do this so that we know what kind of conversions need
982 to be done when converting target numbers to and from the hosts DOUBLEST
985 /* This is used to indicate that we don't know the format of the floating point
986 number. Typically, this is useful for native ports, where the actual format
987 is irrelevant, since no conversions will be taking place. */
989 extern const struct floatformat floatformat_unknown
;
991 #if HOST_BYTE_ORDER == BIG_ENDIAN
992 # ifndef HOST_FLOAT_FORMAT
993 # define HOST_FLOAT_FORMAT &floatformat_ieee_single_big
995 # ifndef HOST_DOUBLE_FORMAT
996 # define HOST_DOUBLE_FORMAT &floatformat_ieee_double_big
998 #else /* LITTLE_ENDIAN */
999 # ifndef HOST_FLOAT_FORMAT
1000 # define HOST_FLOAT_FORMAT &floatformat_ieee_single_little
1002 # ifndef HOST_DOUBLE_FORMAT
1003 # define HOST_DOUBLE_FORMAT &floatformat_ieee_double_little
1007 #ifndef HOST_LONG_DOUBLE_FORMAT
1008 #define HOST_LONG_DOUBLE_FORMAT &floatformat_unknown
1011 #ifndef TARGET_FLOAT_FORMAT
1012 #define TARGET_FLOAT_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \
1013 ? &floatformat_ieee_single_big \
1014 : &floatformat_ieee_single_little)
1016 #ifndef TARGET_DOUBLE_FORMAT
1017 #define TARGET_DOUBLE_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \
1018 ? &floatformat_ieee_double_big \
1019 : &floatformat_ieee_double_little)
1022 #ifndef TARGET_LONG_DOUBLE_FORMAT
1023 # define TARGET_LONG_DOUBLE_FORMAT &floatformat_unknown
1026 /* Use `long double' if the host compiler supports it. (Note that this is not
1027 necessarily any longer than `double'. On SunOS/gcc, it's the same as
1028 double.) This is necessary because GDB internally converts all floating
1029 point values to the widest type supported by the host.
1031 There are problems however, when the target `long double' is longer than the
1032 host's `long double'. In general, we'll probably reduce the precision of
1033 any such values and print a warning. */
1035 #ifdef HAVE_LONG_DOUBLE
1036 typedef long double DOUBLEST
;
1038 typedef double DOUBLEST
;
1041 extern void floatformat_to_doublest
PARAMS ((const struct floatformat
*,
1042 char *, DOUBLEST
*));
1043 extern void floatformat_from_doublest
PARAMS ((const struct floatformat
*,
1044 DOUBLEST
*, char *));
1045 extern DOUBLEST extract_floating
PARAMS ((void *, int));
1047 extern void store_floating
PARAMS ((void *, int, DOUBLEST
));
1049 /* On some machines there are bits in addresses which are not really
1050 part of the address, but are used by the kernel, the hardware, etc.
1051 for special purposes. ADDR_BITS_REMOVE takes out any such bits
1052 so we get a "real" address such as one would find in a symbol
1053 table. This is used only for addresses of instructions, and even then
1054 I'm not sure it's used in all contexts. It exists to deal with there
1055 being a few stray bits in the PC which would mislead us, not as some sort
1056 of generic thing to handle alignment or segmentation (it's possible it
1057 should be in TARGET_READ_PC instead). */
1058 #if !defined (ADDR_BITS_REMOVE)
1059 #define ADDR_BITS_REMOVE(addr) (addr)
1060 #endif /* No ADDR_BITS_REMOVE. */
1064 extern CORE_ADDR push_bytes
PARAMS ((CORE_ADDR
, char *, int));
1066 extern CORE_ADDR push_word
PARAMS ((CORE_ADDR
, ULONGEST
));
1068 extern int watchdog
;
1070 /* Hooks for alternate command interfaces. */
1073 struct target_waitstatus
;
1074 struct cmd_list_element
;
1077 extern void (*async_hook
) PARAMS ((void));
1078 extern void (*init_ui_hook
) PARAMS ((char *argv0
));
1079 extern void (*command_loop_hook
) PARAMS ((void));
1080 extern void (*fputs_unfiltered_hook
) PARAMS ((const char *linebuffer
,
1082 extern void (*print_frame_info_listing_hook
) PARAMS ((struct symtab
*s
,
1083 int line
, int stopline
,
1085 extern struct frame_info
*parse_frame_specification
PARAMS ((char *frame_exp
));
1086 extern int (*query_hook
) PARAMS ((const char *, va_list));
1087 extern void (*warning_hook
) PARAMS ((const char *, va_list));
1088 extern void (*flush_hook
) PARAMS ((GDB_FILE
*stream
));
1089 extern void (*create_breakpoint_hook
) PARAMS ((struct breakpoint
*b
));
1090 extern void (*delete_breakpoint_hook
) PARAMS ((struct breakpoint
*bpt
));
1091 extern void (*modify_breakpoint_hook
) PARAMS ((struct breakpoint
*bpt
));
1092 extern void (*target_output_hook
) PARAMS ((char *));
1093 extern void (*interactive_hook
) PARAMS ((void));
1094 extern void (*registers_changed_hook
) PARAMS ((void));
1095 extern void (*readline_begin_hook
) PARAMS ((char *, ...));
1096 extern char * (*readline_hook
) PARAMS ((char *));
1097 extern void (*readline_end_hook
) PARAMS ((void));
1098 extern void (*register_changed_hook
) PARAMS ((int regno
));
1099 extern void (*memory_changed_hook
) PARAMS ((CORE_ADDR addr
, int len
));
1100 extern void (*context_hook
) PARAMS ((int));
1101 extern int (*target_wait_hook
) PARAMS ((int pid
,
1102 struct target_waitstatus
*status
));
1104 extern void (*call_command_hook
) PARAMS ((struct cmd_list_element
*c
,
1105 char *cmd
, int from_tty
));
1107 extern NORETURN
void (*error_hook
) PARAMS ((void)) ATTR_NORETURN
;
1109 extern void (*error_begin_hook
) PARAMS ((void));
1112 /* Inhibit window interface if non-zero. */
1114 extern int use_windows
;
1116 /* Symbolic definitions of filename-related things. */
1117 /* FIXME, this doesn't work very well if host and executable
1118 filesystems conventions are different. */
1120 #ifndef DIRNAME_SEPARATOR
1121 #define DIRNAME_SEPARATOR ':'
1125 #if defined(__GO32__)||defined(_WIN32)
1126 #define SLASH_P(X) ((X)=='\\')
1128 #define SLASH_P(X) ((X)=='/')
1133 #if defined(__GO32__)||defined(_WIN32)
1134 #define SLASH_CHAR '\\'
1136 #define SLASH_CHAR '/'
1140 #ifndef SLASH_STRING
1141 #if defined(__GO32__)||defined(_WIN32)
1142 #define SLASH_STRING "\\"
1144 #define SLASH_STRING "/"
1149 #define ROOTED_P(X) (SLASH_P((X)[0]))
1152 /* On some systems, PIDGET is defined to extract the inferior pid from
1153 an internal pid that has the thread id and pid in seperate bit
1154 fields. If not defined, then just use the entire internal pid as
1158 #define PIDGET(pid) (pid)
1161 /* If under Cygwin, provide backwards compatibility with older
1162 Cygwin compilers that don't define the current cpp define. */
1169 #endif /* #ifndef DEFS_H */