1 /* Basic, host-specific, and target-specific definitions for GDB.
2 Copyright (C) 1986, 1989, 1991, 1992, 1993, 1994, 1995
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
26 /* First include ansidecl.h so we can use the various macro definitions
27 here and in all subsequent file inclusions. */
31 #include "libiberty.h"
33 /* libiberty.h can't declare this one, but evidently we can. */
34 extern char *strsignal
PARAMS ((int));
40 /* For BFD64 and bfd_vma. */
43 /* An address in the program being debugged. Host byte order. Rather
44 than duplicate all the logic in BFD which figures out what type
45 this is (long, long long, etc.) and whether it needs to be 64
46 bits (the host/target interactions are subtle), we just use
49 typedef bfd_vma CORE_ADDR
;
51 #define min(a, b) ((a) < (b) ? (a) : (b))
52 #define max(a, b) ((a) > (b) ? (a) : (b))
54 /* Gdb does *lots* of string compares. Use macros to speed them up by
55 avoiding function calls if the first characters are not the same. */
57 #define STRCMP(a,b) (*(a) == *(b) ? strcmp ((a), (b)) : (int)*(a) - (int)*(b))
58 #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0)
59 #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0)
61 /* The character GNU C++ uses to build identifiers that must be unique from
62 the program's identifiers (such as $this and $$vptr). */
63 #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */
65 #include <errno.h> /* System call error return status */
68 extern int immediate_quit
;
69 extern int sevenbit_strings
;
71 extern void quit
PARAMS ((void));
74 if (quit_flag) quit (); \
75 if (interactive_hook) interactive_hook (); \
79 /* Command classes are top-level categories into which commands are broken
80 down for "help" purposes.
81 Notes on classes: class_alias is for alias commands which are not
82 abbreviations of the original command. class-pseudo is for commands
83 which are not really commands nor help topics ("stop"). */
87 /* Special args to help_list */
88 all_classes
= -2, all_commands
= -1,
89 /* Classes of commands */
90 no_class
= -1, class_run
= 0, class_vars
, class_stack
,
91 class_files
, class_support
, class_info
, class_breakpoint
,
92 class_alias
, class_obscure
, class_user
, class_maintenance
,
96 /* Languages represented in the symbol table and elsewhere.
97 This should probably be in language.h, but since enum's can't
98 be forward declared to satisfy opaque references before their
99 actual definition, needs to be here. */
103 language_unknown
, /* Language not known */
104 language_auto
, /* Placeholder for automatic setting */
106 language_cplus
, /* C++ */
107 language_chill
, /* Chill */
108 language_fortran
, /* Fortran */
109 language_m2
, /* Modula-2 */
110 language_asm
/* Assembly language */
113 /* the cleanup list records things that have to be undone
114 if an error happens (descriptors to be closed, memory to be freed, etc.)
115 Each link in the chain records a function to call and an
118 Use make_cleanup to add an element to the cleanup chain.
119 Use do_cleanups to do all cleanup actions back to a given
120 point in the chain. Use discard_cleanups to remove cleanups
121 from the chain back to a given point, not doing them. */
125 struct cleanup
*next
;
126 void (*function
) PARAMS ((PTR
));
130 /* Needed for various prototypes */
137 /* From blockframe.c */
139 extern int inside_entry_func
PARAMS ((CORE_ADDR
));
141 extern int inside_entry_file
PARAMS ((CORE_ADDR addr
));
143 extern int inside_main_func
PARAMS ((CORE_ADDR pc
));
145 /* From ch-lang.c, for the moment. (FIXME) */
147 extern char *chill_demangle
PARAMS ((const char *));
151 extern int strcmp_iw
PARAMS ((const char *, const char *));
153 extern char *safe_strerror
PARAMS ((int));
155 extern char *safe_strsignal
PARAMS ((int));
157 extern void init_malloc
PARAMS ((void *));
159 extern void request_quit
PARAMS ((int));
161 extern void do_cleanups
PARAMS ((struct cleanup
*));
163 extern void discard_cleanups
PARAMS ((struct cleanup
*));
165 /* The bare make_cleanup function is one of those rare beasts that
166 takes almost any type of function as the first arg and anything that
167 will fit in a "void *" as the second arg.
169 Should be, once all calls and called-functions are cleaned up:
170 extern struct cleanup *
171 make_cleanup PARAMS ((void (*function) (void *), void *));
173 Until then, lint and/or various type-checking compiler options will
174 complain about make_cleanup calls. It'd be wrong to just cast things,
175 since the type actually passed when the function is called would be
178 extern struct cleanup
*make_cleanup ();
180 extern struct cleanup
*save_cleanups
PARAMS ((void));
182 extern void restore_cleanups
PARAMS ((struct cleanup
*));
184 extern void free_current_contents
PARAMS ((char **));
186 extern void null_cleanup
PARAMS ((char **));
188 extern int myread
PARAMS ((int, char *, int));
192 /* Annotation stuff. */
194 extern int annotation_level
; /* in stack.c */
196 extern void begin_line
PARAMS ((void));
198 extern void wrap_here
PARAMS ((char *));
200 extern void reinitialize_more_filter
PARAMS ((void));
202 typedef FILE GDB_FILE
;
203 #define gdb_stdout stdout
204 #define gdb_stderr stderr
206 extern void gdb_flush
PARAMS ((GDB_FILE
*));
208 extern GDB_FILE
*gdb_fopen
PARAMS ((char * name
, char * mode
));
210 extern void fputs_filtered
PARAMS ((const char *, GDB_FILE
*));
212 extern void fputs_unfiltered
PARAMS ((const char *, GDB_FILE
*));
214 extern void fputc_unfiltered
PARAMS ((int, GDB_FILE
*));
216 extern void putc_unfiltered
PARAMS ((int));
218 #define putchar_unfiltered(C) putc_unfiltered(C)
220 extern void puts_filtered
PARAMS ((char *));
222 extern void puts_unfiltered
PARAMS ((char *));
224 extern void vprintf_filtered ();
226 extern void vfprintf_filtered ();
228 extern void fprintf_filtered ();
230 extern void fprintfi_filtered ();
232 extern void printf_filtered ();
234 extern void printfi_filtered ();
236 extern void vprintf_unfiltered ();
238 extern void vfprintf_unfiltered ();
240 extern void fprintf_unfiltered ();
242 extern void printf_unfiltered ();
244 extern void print_spaces
PARAMS ((int, GDB_FILE
*));
246 extern void print_spaces_filtered
PARAMS ((int, GDB_FILE
*));
248 extern char *n_spaces
PARAMS ((int));
250 extern void gdb_printchar
PARAMS ((int, GDB_FILE
*, int));
252 extern void gdb_print_address
PARAMS ((void *, GDB_FILE
*));
254 extern void fprintf_symbol_filtered
PARAMS ((GDB_FILE
*, char *,
255 enum language
, int));
257 extern void perror_with_name
PARAMS ((char *));
259 extern void print_sys_errmsg
PARAMS ((char *, int));
261 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
262 "const char *" in unistd.h, so we can't declare the argument
265 extern char *re_comp
PARAMS ((const char *));
269 extern void symbol_file_command
PARAMS ((char *, int));
273 extern char *skip_quoted
PARAMS ((char *));
275 extern char *gdb_readline
PARAMS ((char *));
277 extern char *command_line_input
PARAMS ((char *, int, char *));
279 extern void print_prompt
PARAMS ((void));
281 extern int input_from_terminal_p
PARAMS ((void));
283 /* From printcmd.c */
285 extern void set_next_address
PARAMS ((CORE_ADDR
));
287 extern void print_address_symbolic
PARAMS ((CORE_ADDR
, GDB_FILE
*, int,
290 extern void print_address_numeric
PARAMS ((CORE_ADDR
, int, GDB_FILE
*));
292 extern void print_address
PARAMS ((CORE_ADDR
, GDB_FILE
*));
296 extern int openp
PARAMS ((char *, int, char *, int, int, char **));
298 extern void mod_path
PARAMS ((char *, char **));
300 extern void directory_command
PARAMS ((char *, int));
302 extern void init_source_path
PARAMS ((void));
304 extern char *symtab_to_filename
PARAMS ((struct symtab
*));
308 extern int read_relative_register_raw_bytes
PARAMS ((int, char *));
310 /* From readline (but not in any readline .h files). */
312 extern char *tilde_expand
PARAMS ((char *));
314 /* Control types for commands */
316 enum misc_command_type
324 enum command_control_type
334 /* Structure for saved commands lines
335 (for breakpoints, defined commands, etc). */
339 struct command_line
*next
;
341 enum command_control_type control_type
;
343 struct command_line
**body_list
;
346 extern struct command_line
*read_command_lines
PARAMS ((void));
348 extern void free_command_lines
PARAMS ((struct command_line
**));
350 /* String containing the current directory (what getwd would return). */
352 extern char *current_directory
;
354 /* Default radixes for input and output. Only some values supported. */
355 extern unsigned input_radix
;
356 extern unsigned output_radix
;
358 /* Possibilities for prettyprint parameters to routines which print
359 things. Like enum language, this should be in value.h, but needs
360 to be here for the same reason. FIXME: If we can eliminate this
361 as an arg to LA_VAL_PRINT, then we can probably move it back to
366 Val_no_prettyprint
= 0,
368 /* Use the default setting which the user has specified. */
373 /* Host machine definition. This will be a symlink to one of the
374 xm-*.h files, built by the `configure' script. */
378 /* Native machine support. This will be a symlink to one of the
379 nm-*.h files, built by the `configure' script. */
383 /* Target machine definition. This will be a symlink to one of the
384 tm-*.h files, built by the `configure' script. */
388 /* If the xm.h file did not define the mode string used to open the
389 files, assume that binary files are opened the same way as text
392 #include "fopen-same.h"
396 * Allow things in gdb to be declared "const". If compiling ANSI, it
397 * just works. If compiling with gcc but non-ansi, redefine to __const__.
398 * If non-ansi, non-gcc, then eliminate "const" entirely, making those
399 * objects be read-write rather than read-only.
405 # define const __const__
407 # define const /*nothing*/
415 # define volatile __volatile__
417 # define volatile /*nothing*/
420 #endif /* volatile */
422 /* The ability to declare that a function never returns is useful, but
423 not really required to compile GDB successfully, so the NORETURN and
424 ATTR_NORETURN macros normally expand into nothing. */
426 /* If compiling with older versions of GCC, a function may be declared
427 "volatile" to indicate that it does not return. */
430 # if defined(__GNUC__) \
431 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5))
432 # define NORETURN volatile
434 # define NORETURN /* nothing */
438 /* GCC 2.5 and later versions define a function attribute "noreturn",
439 which is the preferred way to declare that a function never returns. */
441 #ifndef ATTR_NORETURN
442 # if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 5
443 # define ATTR_NORETURN __attribute__ ((noreturn))
445 # define ATTR_NORETURN /* nothing */
449 /* Defaults for system-wide constants (if not defined by xm.h, we fake it). */
451 #if !defined (UINT_MAX)
452 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
455 #if !defined (INT_MAX)
456 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
459 #if !defined (INT_MIN)
460 #define INT_MIN (-INT_MAX - 1) /* 0x80000000 for 32-bits */
463 #if !defined (ULONG_MAX)
464 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
467 #if !defined (LONG_MAX)
468 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
473 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
475 #define LONGEST BFD_HOST_64_BIT
479 /* If all compilers for this host support "long long" and we want to
480 use it for LONGEST (the performance hit is about 10% on a testsuite
481 run based on one DECstation test), then the xm.h file can define
484 Using GCC 1.39 on BSDI with long long causes about 700 new
485 testsuite failures. Using long long for LONGEST on the DECstation
486 causes 3 new FAILs in the testsuite and many heuristic fencepost
487 warnings. These are not investigated, but a first guess would be
488 that the BSDI problems are GCC bugs in long long support and the
489 latter are GDB bugs. */
491 #ifndef CC_HAS_LONG_LONG
492 # if defined (__GNUC__) && defined (FORCE_LONG_LONG)
493 # define CC_HAS_LONG_LONG 1
497 /* LONGEST should not be a typedef, because "unsigned LONGEST" needs to work.
498 CC_HAS_LONG_LONG is defined if the host compiler supports "long long"
499 variables and we wish to make use of that support. */
502 # ifdef CC_HAS_LONG_LONG
503 # define LONGEST long long
505 # define LONGEST long
509 #endif /* No BFD64 */
511 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
512 arguments to a function, number in a value history, register number, etc.)
513 where the value must not be larger than can fit in an int. */
515 extern int longest_to_int
PARAMS ((LONGEST
));
517 /* Assorted functions we can declare, now that const and volatile are
520 extern char *savestring
PARAMS ((const char *, int));
522 extern char *msavestring
PARAMS ((void *, const char *, int));
524 extern char *strsave
PARAMS ((const char *));
526 extern char *mstrsave
PARAMS ((void *, const char *));
528 extern PTR xmalloc
PARAMS ((long));
530 extern PTR xrealloc
PARAMS ((PTR
, long));
532 extern PTR xmmalloc
PARAMS ((PTR
, long));
534 extern PTR xmrealloc
PARAMS ((PTR
, PTR
, long));
536 extern int parse_escape
PARAMS ((char **));
538 extern char *reg_names
[];
540 /* Message to be printed before the error message, when an error occurs. */
542 extern char *error_pre_print
;
544 /* Message to be printed before the warning message, when a warning occurs. */
546 extern char *warning_pre_print
;
548 extern NORETURN
void error () ATTR_NORETURN
;
550 extern void error_begin
PARAMS ((void));
552 extern NORETURN
void fatal () ATTR_NORETURN
;
554 extern NORETURN
void nomem
PARAMS ((long)) ATTR_NORETURN
;
556 /* Reasons for calling return_to_top_level. */
558 /* User interrupt. */
561 /* Any other error. */
565 #define RETURN_MASK_QUIT (1 << (int)RETURN_QUIT)
566 #define RETURN_MASK_ERROR (1 << (int)RETURN_ERROR)
567 #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
568 typedef int return_mask
;
571 return_to_top_level
PARAMS ((enum return_reason
)) ATTR_NORETURN
;
574 catch_errors
PARAMS ((int (*) (char *), void *, char *, return_mask
));
576 extern void warning_setup
PARAMS ((void));
578 extern void warning ();
580 /* Global functions from other, non-gdb GNU thingies.
581 Libiberty thingies are no longer declared here. We include libiberty.h
584 extern char *getenv
PARAMS ((const char *));
586 /* From other system libraries */
588 #ifndef PSIGNAL_IN_SIGNAL_H
589 extern void psignal
PARAMS ((unsigned, const char *));
597 extern int fclose ();
599 extern double atof ();
601 #ifndef MALLOC_INCOMPATIBLE
603 extern PTR
malloc ();
605 extern PTR
realloc ();
609 #endif /* MALLOC_INCOMPATIBLE */
611 extern char *strchr ();
613 extern char *strrchr ();
615 extern char *strstr ();
617 extern char *strtok ();
619 extern char *strerror ();
621 /* Various possibilities for alloca. */
624 # define alloca __builtin_alloca
625 # else /* Not GNU C */
627 # include <alloca.h> /* NOTE: Doesn't declare alloca() */
630 /* We need to be careful not to declare this in a way which conflicts with
631 bison. Bison never declares it as char *, but under various circumstances
632 (like __hpux) we need to use void *. */
633 # if defined (__STDC__) || defined (__hpux)
634 extern void *alloca ();
635 # else /* Don't use void *. */
636 extern char *alloca ();
637 # endif /* Don't use void *. */
638 # endif /* Not GNU C */
639 #endif /* alloca not defined */
641 /* HOST_BYTE_ORDER must be defined to one of these. */
643 #if !defined (BIG_ENDIAN)
644 #define BIG_ENDIAN 4321
647 #if !defined (LITTLE_ENDIAN)
648 #define LITTLE_ENDIAN 1234
651 /* Target-system-dependent parameters for GDB. */
653 #ifdef TARGET_BYTE_ORDER_SELECTABLE
654 /* The target endianness is selectable at runtime. Define
655 TARGET_BYTE_ORDER to be a variable. The user can use the `set
656 endian' command to change it. */
657 #undef TARGET_BYTE_ORDER
658 #define TARGET_BYTE_ORDER target_byte_order
659 extern int target_byte_order
;
662 extern void set_endian_from_file
PARAMS ((bfd
*));
664 /* Number of bits in a char or unsigned char for the target machine.
665 Just like CHAR_BIT in <limits.h> but describes the target machine. */
666 #if !defined (TARGET_CHAR_BIT)
667 #define TARGET_CHAR_BIT 8
670 /* Number of bits in a short or unsigned short for the target machine. */
671 #if !defined (TARGET_SHORT_BIT)
672 #define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT)
675 /* Number of bits in an int or unsigned int for the target machine. */
676 #if !defined (TARGET_INT_BIT)
677 #define TARGET_INT_BIT (4 * TARGET_CHAR_BIT)
680 /* Number of bits in a long or unsigned long for the target machine. */
681 #if !defined (TARGET_LONG_BIT)
682 #define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT)
685 /* Number of bits in a long long or unsigned long long for the target machine. */
686 #if !defined (TARGET_LONG_LONG_BIT)
687 #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT)
690 /* Number of bits in a float for the target machine. */
691 #if !defined (TARGET_FLOAT_BIT)
692 #define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT)
695 /* Number of bits in a double for the target machine. */
696 #if !defined (TARGET_DOUBLE_BIT)
697 #define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT)
700 /* Number of bits in a long double for the target machine. */
701 #if !defined (TARGET_LONG_DOUBLE_BIT)
702 #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT)
705 /* Number of bits in a pointer for the target machine */
706 #if !defined (TARGET_PTR_BIT)
707 #define TARGET_PTR_BIT TARGET_INT_BIT
710 /* If we picked up a copy of CHAR_BIT from a configuration file
711 (which may get it by including <limits.h>) then use it to set
712 the number of bits in a host char. If not, use the same size
715 #if defined (CHAR_BIT)
716 #define HOST_CHAR_BIT CHAR_BIT
718 #define HOST_CHAR_BIT TARGET_CHAR_BIT
721 /* The bit byte-order has to do just with numbering of bits in
722 debugging symbols and such. Conceptually, it's quite separate
723 from byte/word byte order. */
725 #if !defined (BITS_BIG_ENDIAN)
726 #ifndef TARGET_BYTE_ORDER_SELECTABLE
728 #if TARGET_BYTE_ORDER == BIG_ENDIAN
729 #define BITS_BIG_ENDIAN 1
730 #endif /* Big endian. */
732 #if TARGET_BYTE_ORDER == LITTLE_ENDIAN
733 #define BITS_BIG_ENDIAN 0
734 #endif /* Little endian. */
736 #else /* defined (TARGET_BYTE_ORDER_SELECTABLE) */
738 #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN)
740 #endif /* defined (TARGET_BYTE_ORDER_SELECTABLE) */
741 #endif /* BITS_BIG_ENDIAN not defined. */
743 /* Swap LEN bytes at BUFFER between target and host byte-order. */
744 #define SWAP_TARGET_AND_HOST(buffer,len) \
747 if (TARGET_BYTE_ORDER != HOST_BYTE_ORDER) \
750 char *p = (char *)(buffer); \
751 char *q = ((char *)(buffer)) + len - 1; \
752 for (; p < q; p++, q--) \
764 extern LONGEST extract_signed_integer
PARAMS ((void *, int));
766 extern unsigned LONGEST extract_unsigned_integer
PARAMS ((void *, int));
768 extern CORE_ADDR extract_address
PARAMS ((void *, int));
770 extern void store_signed_integer
PARAMS ((void *, int, LONGEST
));
772 extern void store_unsigned_integer
PARAMS ((void *, int, unsigned LONGEST
));
774 extern void store_address
PARAMS ((void *, int, CORE_ADDR
));
776 extern double extract_floating
PARAMS ((void *, int));
778 extern void store_floating
PARAMS ((void *, int, double));
780 /* On some machines there are bits in addresses which are not really
781 part of the address, but are used by the kernel, the hardware, etc.
782 for special purposes. ADDR_BITS_REMOVE takes out any such bits
783 so we get a "real" address such as one would find in a symbol
784 table. This is used only for addresses of instructions, and even then
785 I'm not sure it's used in all contexts. It exists to deal with there
786 being a few stray bits in the PC which would mislead us, not as some sort
787 of generic thing to handle alignment or segmentation (it's possible it
788 should be in TARGET_READ_PC instead). */
789 #if !defined (ADDR_BITS_REMOVE)
790 #define ADDR_BITS_REMOVE(addr) (addr)
791 #endif /* No ADDR_BITS_REMOVE. */
795 extern CORE_ADDR push_bytes
PARAMS ((CORE_ADDR
, char *, int));
797 extern CORE_ADDR push_word
PARAMS ((CORE_ADDR
, unsigned LONGEST
));
799 /* Some parts of gdb might be considered optional, in the sense that they
800 are not essential for being able to build a working, usable debugger
801 for a specific environment. For example, the maintenance commands
802 are there for the benefit of gdb maintainers. As another example,
803 some environments really don't need gdb's that are able to read N
804 different object file formats. In order to make it possible (but
805 not necessarily recommended) to build "stripped down" versions of
806 gdb, the following defines control selective compilation of those
807 parts of gdb which can be safely left out when necessary. Note that
808 the default is to include everything. */
810 #ifndef MAINTENANCE_CMDS
811 #define MAINTENANCE_CMDS 1
814 #include "dis-asm.h" /* Get defs for disassemble_info */
816 extern int dis_asm_read_memory
PARAMS ((bfd_vma memaddr
, bfd_byte
*myaddr
,
817 int len
, disassemble_info
*info
));
819 extern void dis_asm_memory_error
PARAMS ((int status
, bfd_vma memaddr
,
820 disassemble_info
*info
));
822 extern void dis_asm_print_address
PARAMS ((bfd_vma addr
,
823 disassemble_info
*info
));
825 extern int (*tm_print_insn
) PARAMS ((bfd_vma
, disassemble_info
*));
827 /* Hooks for alternate command interfaces. */
830 struct target_waitstatus
;
831 struct cmd_list_element
;
834 extern void (*init_ui_hook
) PARAMS ((void));
835 extern void (*command_loop_hook
) PARAMS ((void));
836 extern void (*fputs_unfiltered_hook
) PARAMS ((const char *linebuffer
,
838 extern void (*print_frame_info_listing_hook
) PARAMS ((struct symtab
*s
,
839 int line
, int stopline
,
841 extern int (*query_hook
) PARAMS (());
842 extern void (*flush_hook
) PARAMS ((FILE *stream
));
843 extern void (*create_breakpoint_hook
) PARAMS ((struct breakpoint
*b
));
844 extern void (*delete_breakpoint_hook
) PARAMS ((struct breakpoint
*bpt
));
845 extern void (*modify_breakpoint_hook
) PARAMS ((struct breakpoint
*bpt
));
846 extern void (*interactive_hook
) PARAMS ((void));
847 extern void (*registers_changed_hook
) PARAMS ((void));
849 extern int (*target_wait_hook
) PARAMS ((int pid
,
850 struct target_waitstatus
*status
));
852 extern void (*call_command_hook
) PARAMS ((struct cmd_list_element
*c
,
853 char *cmd
, int from_tty
));
855 extern NORETURN
void (*error_hook
) PARAMS (());
857 /* Inhibit window interface if non-zero. */
859 extern int use_windows
;
861 #endif /* #ifndef DEFS_H */