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 int print_insn PARAMS ((CORE_ADDR, GDB_FILE *));
208 extern void gdb_flush PARAMS ((GDB_FILE *));
210 extern GDB_FILE *gdb_fopen PARAMS ((char * name, char * mode));
212 extern void fputs_filtered PARAMS ((const char *, GDB_FILE *));
214 extern void fputs_unfiltered PARAMS ((const char *, GDB_FILE *));
216 extern void fputc_unfiltered PARAMS ((int, GDB_FILE *));
218 extern void putc_unfiltered PARAMS ((int));
220 #define putchar_unfiltered(C) putc_unfiltered(C)
222 extern void puts_filtered PARAMS ((char *));
224 extern void puts_unfiltered PARAMS ((char *));
226 extern void vprintf_filtered ();
228 extern void vfprintf_filtered ();
230 extern void fprintf_filtered ();
232 extern void fprintfi_filtered ();
234 extern void printf_filtered ();
236 extern void printfi_filtered ();
238 extern void vprintf_unfiltered ();
240 extern void vfprintf_unfiltered ();
242 extern void fprintf_unfiltered ();
244 extern void printf_unfiltered ();
246 extern void print_spaces PARAMS ((int, GDB_FILE *));
248 extern void print_spaces_filtered PARAMS ((int, GDB_FILE *));
250 extern char *n_spaces PARAMS ((int));
252 extern void gdb_printchar PARAMS ((int, GDB_FILE *, int));
254 extern void gdb_print_address PARAMS ((void *, GDB_FILE *));
256 extern void fprintf_symbol_filtered PARAMS ((GDB_FILE *, char *,
257 enum language, int));
259 extern void perror_with_name PARAMS ((char *));
261 extern void print_sys_errmsg PARAMS ((char *, int));
263 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
264 "const char *" in unistd.h, so we can't declare the argument
267 extern char *re_comp PARAMS ((const char *));
271 extern void symbol_file_command PARAMS ((char *, int));
275 extern char *skip_quoted PARAMS ((char *));
277 extern char *gdb_readline PARAMS ((char *));
279 extern char *command_line_input PARAMS ((char *, int, char *));
281 extern void print_prompt PARAMS ((void));
283 extern int input_from_terminal_p PARAMS ((void));
285 /* From printcmd.c */
287 extern void set_next_address PARAMS ((CORE_ADDR));
289 extern void print_address_symbolic PARAMS ((CORE_ADDR, GDB_FILE *, int,
292 extern void print_address_numeric PARAMS ((CORE_ADDR, int, GDB_FILE *));
294 extern void print_address PARAMS ((CORE_ADDR, GDB_FILE *));
298 extern int openp PARAMS ((char *, int, char *, int, int, char **));
300 extern void mod_path PARAMS ((char *, char **));
302 extern void directory_command PARAMS ((char *, int));
304 extern void init_source_path PARAMS ((void));
306 extern char *symtab_to_filename PARAMS ((struct symtab *));
310 extern int read_relative_register_raw_bytes PARAMS ((int, char *));
312 /* From readline (but not in any readline .h files). */
314 extern char *tilde_expand PARAMS ((char *));
316 /* Control types for commands */
318 enum misc_command_type
326 enum command_control_type
336 /* Structure for saved commands lines
337 (for breakpoints, defined commands, etc). */
341 struct command_line *next;
343 enum command_control_type control_type;
345 struct command_line **body_list;
348 extern struct command_line *read_command_lines PARAMS ((void));
350 extern void free_command_lines PARAMS ((struct command_line **));
352 /* String containing the current directory (what getwd would return). */
354 extern char *current_directory;
356 /* Default radixes for input and output. Only some values supported. */
357 extern unsigned input_radix;
358 extern unsigned output_radix;
360 /* Possibilities for prettyprint parameters to routines which print
361 things. Like enum language, this should be in value.h, but needs
362 to be here for the same reason. FIXME: If we can eliminate this
363 as an arg to LA_VAL_PRINT, then we can probably move it back to
368 Val_no_prettyprint = 0,
370 /* Use the default setting which the user has specified. */
375 /* Host machine definition. This will be a symlink to one of the
376 xm-*.h files, built by the `configure' script. */
380 /* Native machine support. This will be a symlink to one of the
381 nm-*.h files, built by the `configure' script. */
385 /* Target machine definition. This will be a symlink to one of the
386 tm-*.h files, built by the `configure' script. */
390 /* If the xm.h file did not define the mode string used to open the
391 files, assume that binary files are opened the same way as text
394 #include "fopen-same.h"
398 * Allow things in gdb to be declared "const". If compiling ANSI, it
399 * just works. If compiling with gcc but non-ansi, redefine to __const__.
400 * If non-ansi, non-gcc, then eliminate "const" entirely, making those
401 * objects be read-write rather than read-only.
407 # define const __const__
409 # define const /*nothing*/
417 # define volatile __volatile__
419 # define volatile /*nothing*/
422 #endif /* volatile */
424 /* The ability to declare that a function never returns is useful, but
425 not really required to compile GDB successfully, so the NORETURN and
426 ATTR_NORETURN macros normally expand into nothing. */
428 /* If compiling with older versions of GCC, a function may be declared
429 "volatile" to indicate that it does not return. */
432 # if defined(__GNUC__) \
433 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5))
434 # define NORETURN volatile
436 # define NORETURN /* nothing */
440 /* GCC 2.5 and later versions define a function attribute "noreturn",
441 which is the preferred way to declare that a function never returns. */
443 #ifndef ATTR_NORETURN
444 # if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 5
445 # define ATTR_NORETURN __attribute__ ((noreturn))
447 # define ATTR_NORETURN /* nothing */
451 /* Defaults for system-wide constants (if not defined by xm.h, we fake it). */
453 #if !defined (UINT_MAX)
454 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
457 #if !defined (INT_MAX)
458 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
461 #if !defined (INT_MIN)
462 #define INT_MIN (-INT_MAX - 1) /* 0x80000000 for 32-bits */
465 #if !defined (ULONG_MAX)
466 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
469 #if !defined (LONG_MAX)
470 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
475 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
477 #define LONGEST BFD_HOST_64_BIT
481 /* If all compilers for this host support "long long" and we want to
482 use it for LONGEST (the performance hit is about 10% on a testsuite
483 run based on one DECstation test), then the xm.h file can define
486 Using GCC 1.39 on BSDI with long long causes about 700 new
487 testsuite failures. Using long long for LONGEST on the DECstation
488 causes 3 new FAILs in the testsuite and many heuristic fencepost
489 warnings. These are not investigated, but a first guess would be
490 that the BSDI problems are GCC bugs in long long support and the
491 latter are GDB bugs. */
493 #ifndef CC_HAS_LONG_LONG
494 # if defined (__GNUC__) && defined (FORCE_LONG_LONG)
495 # define CC_HAS_LONG_LONG 1
499 /* LONGEST should not be a typedef, because "unsigned LONGEST" needs to work.
500 CC_HAS_LONG_LONG is defined if the host compiler supports "long long"
501 variables and we wish to make use of that support. */
504 # ifdef CC_HAS_LONG_LONG
505 # define LONGEST long long
507 # define LONGEST long
511 #endif /* No BFD64 */
513 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
514 arguments to a function, number in a value history, register number, etc.)
515 where the value must not be larger than can fit in an int. */
517 extern int longest_to_int PARAMS ((LONGEST));
519 /* Assorted functions we can declare, now that const and volatile are
522 extern char *savestring PARAMS ((const char *, int));
524 extern char *msavestring PARAMS ((void *, const char *, int));
526 extern char *strsave PARAMS ((const char *));
528 extern char *mstrsave PARAMS ((void *, const char *));
530 extern PTR xmalloc PARAMS ((long));
532 extern PTR xrealloc PARAMS ((PTR, long));
534 extern PTR xmmalloc PARAMS ((PTR, long));
536 extern PTR xmrealloc PARAMS ((PTR, PTR, long));
538 extern int parse_escape PARAMS ((char **));
540 extern char *reg_names[];
542 /* Message to be printed before the error message, when an error occurs. */
544 extern char *error_pre_print;
546 /* Message to be printed before the warning message, when a warning occurs. */
548 extern char *warning_pre_print;
550 extern NORETURN void error () ATTR_NORETURN;
552 extern void error_begin PARAMS ((void));
554 extern NORETURN void fatal () ATTR_NORETURN;
556 extern NORETURN void nomem PARAMS ((long)) ATTR_NORETURN;
558 /* Reasons for calling return_to_top_level. */
560 /* User interrupt. */
563 /* Any other error. */
567 #define RETURN_MASK_QUIT (1 << (int)RETURN_QUIT)
568 #define RETURN_MASK_ERROR (1 << (int)RETURN_ERROR)
569 #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
570 typedef int return_mask;
573 return_to_top_level PARAMS ((enum return_reason)) ATTR_NORETURN;
576 catch_errors PARAMS ((int (*) (char *), void *, char *, return_mask));
578 extern void warning_setup PARAMS ((void));
580 extern void warning ();
582 /* Global functions from other, non-gdb GNU thingies.
583 Libiberty thingies are no longer declared here. We include libiberty.h
586 extern char *getenv PARAMS ((const char *));
588 /* From other system libraries */
590 #ifndef PSIGNAL_IN_SIGNAL_H
591 extern void psignal PARAMS ((unsigned, const char *));
599 extern int fclose ();
601 extern double atof ();
603 #ifndef MALLOC_INCOMPATIBLE
605 extern PTR malloc ();
607 extern PTR realloc ();
611 #endif /* MALLOC_INCOMPATIBLE */
613 extern char *strchr ();
615 extern char *strrchr ();
617 extern char *strstr ();
619 extern char *strtok ();
621 extern char *strerror ();
623 /* Various possibilities for alloca. */
626 # define alloca __builtin_alloca
627 # else /* Not GNU C */
629 # include <alloca.h> /* NOTE: Doesn't declare alloca() */
632 /* We need to be careful not to declare this in a way which conflicts with
633 bison. Bison never declares it as char *, but under various circumstances
634 (like __hpux) we need to use void *. */
635 # if defined (__STDC__) || defined (__hpux)
636 extern void *alloca ();
637 # else /* Don't use void *. */
638 extern char *alloca ();
639 # endif /* Don't use void *. */
640 # endif /* Not GNU C */
641 #endif /* alloca not defined */
643 /* HOST_BYTE_ORDER must be defined to one of these. */
645 #if !defined (BIG_ENDIAN)
646 #define BIG_ENDIAN 4321
649 #if !defined (LITTLE_ENDIAN)
650 #define LITTLE_ENDIAN 1234
653 /* Target-system-dependent parameters for GDB. */
655 #ifdef TARGET_BYTE_ORDER_SELECTABLE
656 /* The target endianness is selectable at runtime. Define
657 TARGET_BYTE_ORDER to be a variable. The user can use the `set
658 endian' command to change it. */
659 #undef TARGET_BYTE_ORDER
660 #define TARGET_BYTE_ORDER target_byte_order
661 extern int target_byte_order;
664 extern void set_endian_from_file PARAMS ((bfd *));
666 /* Number of bits in a char or unsigned char for the target machine.
667 Just like CHAR_BIT in <limits.h> but describes the target machine. */
668 #if !defined (TARGET_CHAR_BIT)
669 #define TARGET_CHAR_BIT 8
672 /* Number of bits in a short or unsigned short for the target machine. */
673 #if !defined (TARGET_SHORT_BIT)
674 #define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT)
677 /* Number of bits in an int or unsigned int for the target machine. */
678 #if !defined (TARGET_INT_BIT)
679 #define TARGET_INT_BIT (4 * TARGET_CHAR_BIT)
682 /* Number of bits in a long or unsigned long for the target machine. */
683 #if !defined (TARGET_LONG_BIT)
684 #define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT)
687 /* Number of bits in a long long or unsigned long long for the target machine. */
688 #if !defined (TARGET_LONG_LONG_BIT)
689 #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT)
692 /* Number of bits in a float for the target machine. */
693 #if !defined (TARGET_FLOAT_BIT)
694 #define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT)
697 /* Number of bits in a double for the target machine. */
698 #if !defined (TARGET_DOUBLE_BIT)
699 #define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT)
702 /* Number of bits in a long double for the target machine. */
703 #if !defined (TARGET_LONG_DOUBLE_BIT)
704 #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT)
707 /* Number of bits in a "complex" for the target machine. */
708 #if !defined (TARGET_COMPLEX_BIT)
709 #define TARGET_COMPLEX_BIT (2 * TARGET_FLOAT_BIT)
712 /* Number of bits in a "double complex" for the target machine. */
713 #if !defined (TARGET_DOUBLE_COMPLEX_BIT)
714 #define TARGET_DOUBLE_COMPLEX_BIT (2 * TARGET_DOUBLE_BIT)
717 /* Number of bits in a pointer for the target machine */
718 #if !defined (TARGET_PTR_BIT)
719 #define TARGET_PTR_BIT TARGET_INT_BIT
722 /* If we picked up a copy of CHAR_BIT from a configuration file
723 (which may get it by including <limits.h>) then use it to set
724 the number of bits in a host char. If not, use the same size
727 #if defined (CHAR_BIT)
728 #define HOST_CHAR_BIT CHAR_BIT
730 #define HOST_CHAR_BIT TARGET_CHAR_BIT
733 /* The bit byte-order has to do just with numbering of bits in
734 debugging symbols and such. Conceptually, it's quite separate
735 from byte/word byte order. */
737 #if !defined (BITS_BIG_ENDIAN)
738 #ifndef TARGET_BYTE_ORDER_SELECTABLE
740 #if TARGET_BYTE_ORDER == BIG_ENDIAN
741 #define BITS_BIG_ENDIAN 1
742 #endif /* Big endian. */
744 #if TARGET_BYTE_ORDER == LITTLE_ENDIAN
745 #define BITS_BIG_ENDIAN 0
746 #endif /* Little endian. */
748 #else /* defined (TARGET_BYTE_ORDER_SELECTABLE) */
750 #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN)
752 #endif /* defined (TARGET_BYTE_ORDER_SELECTABLE) */
753 #endif /* BITS_BIG_ENDIAN not defined. */
757 extern LONGEST extract_signed_integer PARAMS ((void *, int));
759 extern unsigned LONGEST extract_unsigned_integer PARAMS ((void *, int));
761 extern CORE_ADDR extract_address PARAMS ((void *, int));
763 extern void store_signed_integer PARAMS ((void *, int, LONGEST));
765 extern void store_unsigned_integer PARAMS ((void *, int, unsigned LONGEST));
767 extern void store_address PARAMS ((void *, int, CORE_ADDR));
769 extern double extract_floating PARAMS ((void *, int));
771 extern void store_floating PARAMS ((void *, int, double));
773 /* On some machines there are bits in addresses which are not really
774 part of the address, but are used by the kernel, the hardware, etc.
775 for special purposes. ADDR_BITS_REMOVE takes out any such bits
776 so we get a "real" address such as one would find in a symbol
777 table. This is used only for addresses of instructions, and even then
778 I'm not sure it's used in all contexts. It exists to deal with there
779 being a few stray bits in the PC which would mislead us, not as some sort
780 of generic thing to handle alignment or segmentation (it's possible it
781 should be in TARGET_READ_PC instead). */
782 #if !defined (ADDR_BITS_REMOVE)
783 #define ADDR_BITS_REMOVE(addr) (addr)
784 #endif /* No ADDR_BITS_REMOVE. */
788 extern CORE_ADDR push_bytes PARAMS ((CORE_ADDR, char *, int));
790 extern CORE_ADDR push_word PARAMS ((CORE_ADDR, unsigned LONGEST));
792 /* Some parts of gdb might be considered optional, in the sense that they
793 are not essential for being able to build a working, usable debugger
794 for a specific environment. For example, the maintenance commands
795 are there for the benefit of gdb maintainers. As another example,
796 some environments really don't need gdb's that are able to read N
797 different object file formats. In order to make it possible (but
798 not necessarily recommended) to build "stripped down" versions of
799 gdb, the following defines control selective compilation of those
800 parts of gdb which can be safely left out when necessary. Note that
801 the default is to include everything. */
803 #ifndef MAINTENANCE_CMDS
804 #define MAINTENANCE_CMDS 1
807 #include "dis-asm.h" /* Get defs for disassemble_info */
809 extern int dis_asm_read_memory PARAMS ((bfd_vma memaddr, bfd_byte *myaddr,
810 int len, disassemble_info *info));
812 extern void dis_asm_memory_error PARAMS ((int status, bfd_vma memaddr,
813 disassemble_info *info));
815 extern void dis_asm_print_address PARAMS ((bfd_vma addr,
816 disassemble_info *info));
818 extern int (*tm_print_insn) PARAMS ((bfd_vma, disassemble_info*));
820 /* Hooks for alternate command interfaces. */
823 struct target_waitstatus;
824 struct cmd_list_element;
827 extern void (*init_ui_hook) PARAMS ((void));
828 extern void (*command_loop_hook) PARAMS ((void));
829 extern void (*fputs_unfiltered_hook) PARAMS ((const char *linebuffer,
831 extern void (*print_frame_info_listing_hook) PARAMS ((struct symtab *s,
832 int line, int stopline,
834 extern int (*query_hook) PARAMS (());
835 extern void (*flush_hook) PARAMS ((FILE *stream));
836 extern void (*create_breakpoint_hook) PARAMS ((struct breakpoint *b));
837 extern void (*delete_breakpoint_hook) PARAMS ((struct breakpoint *bpt));
838 extern void (*enable_breakpoint_hook) PARAMS ((struct breakpoint *bpt));
839 extern void (*disable_breakpoint_hook) PARAMS ((struct breakpoint *bpt));
840 extern void (*interactive_hook) PARAMS ((void));
841 extern void (*registers_changed_hook) PARAMS ((void));
842 extern int (*dis_asm_read_memory_hook) PARAMS ((bfd_vma memaddr,
843 bfd_byte *myaddr, int len,
844 disassemble_info *info));
846 extern int (*target_wait_hook) PARAMS ((int pid,
847 struct target_waitstatus *status));
849 extern void (*call_command_hook) PARAMS ((struct cmd_list_element *c,
850 char *cmd, int from_tty));
852 extern NORETURN void (*error_hook) PARAMS (());
854 /* Inhibit window interface if non-zero. */
856 extern int use_windows;
858 #endif /* #ifndef DEFS_H */