1 /* Basic, host-specific, and target-specific definitions for GDB.
2 Copyright (C) 1986, 1989, 1991, 1992, 1993, 1994
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));
36 /* For BFD64 and bfd_vma. */
39 /* An address in the program being debugged. Host byte order. Rather
40 than duplicate all the logic in BFD which figures out what type
41 this is (long, long long, etc.) and whether it needs to be 64
42 bits (the host/target interactions are subtle), we just use
45 typedef bfd_vma CORE_ADDR;
47 #define min(a, b) ((a) < (b) ? (a) : (b))
48 #define max(a, b) ((a) > (b) ? (a) : (b))
50 /* Gdb does *lots* of string compares. Use macros to speed them up by
51 avoiding function calls if the first characters are not the same. */
53 #define STRCMP(a,b) (*(a) == *(b) ? strcmp ((a), (b)) : (int)*(a) - (int)*(b))
54 #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0)
55 #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0)
57 /* The character GNU C++ uses to build identifiers that must be unique from
58 the program's identifiers (such as $this and $$vptr). */
59 #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */
61 #include <errno.h> /* System call error return status */
64 extern int immediate_quit;
65 extern int sevenbit_strings;
67 extern void quit PARAMS ((void));
69 #define QUIT { if (quit_flag) quit (); }
71 /* Command classes are top-level categories into which commands are broken
72 down for "help" purposes.
73 Notes on classes: class_alias is for alias commands which are not
74 abbreviations of the original command. class-pseudo is for commands
75 which are not really commands nor help topics ("stop"). */
79 /* Special args to help_list */
80 all_classes = -2, all_commands = -1,
81 /* Classes of commands */
82 no_class = -1, class_run = 0, class_vars, class_stack,
83 class_files, class_support, class_info, class_breakpoint,
84 class_alias, class_obscure, class_user, class_maintenance,
88 /* Languages represented in the symbol table and elsewhere.
89 This should probably be in language.h, but since enum's can't
90 be forward declared to satisfy opaque references before their
91 actual definition, needs to be here. */
95 language_unknown, /* Language not known */
96 language_auto, /* Placeholder for automatic setting */
98 language_cplus, /* C++ */
99 language_chill, /* Chill */
100 language_fortran, /* Fortran */
101 language_m2, /* Modula-2 */
102 language_asm /* Assembly language */
105 /* the cleanup list records things that have to be undone
106 if an error happens (descriptors to be closed, memory to be freed, etc.)
107 Each link in the chain records a function to call and an
110 Use make_cleanup to add an element to the cleanup chain.
111 Use do_cleanups to do all cleanup actions back to a given
112 point in the chain. Use discard_cleanups to remove cleanups
113 from the chain back to a given point, not doing them. */
117 struct cleanup *next;
118 void (*function) PARAMS ((PTR));
122 /* From blockframe.c */
124 extern int inside_entry_func PARAMS ((CORE_ADDR));
126 extern int inside_entry_file PARAMS ((CORE_ADDR addr));
128 extern int inside_main_func PARAMS ((CORE_ADDR pc));
130 /* From ch-lang.c, for the moment. (FIXME) */
132 extern char *chill_demangle PARAMS ((const char *));
134 /* From libiberty.a */
136 extern char *cplus_demangle PARAMS ((const char *, int));
138 extern char *cplus_mangle_opname PARAMS ((char *, int));
140 /* From libmmalloc.a (memory mapped malloc library) */
142 extern PTR mmalloc_attach PARAMS ((int, PTR));
144 extern PTR mmalloc_detach PARAMS ((PTR));
146 extern PTR mmalloc PARAMS ((PTR, long));
148 extern PTR mrealloc PARAMS ((PTR, PTR, long));
150 extern void mfree PARAMS ((PTR, PTR));
152 extern int mmalloc_setkey PARAMS ((PTR, int, PTR));
154 extern PTR mmalloc_getkey PARAMS ((PTR, int));
158 extern int strcmp_iw PARAMS ((const char *, const char *));
160 extern char *safe_strerror PARAMS ((int));
162 extern char *safe_strsignal PARAMS ((int));
164 extern void init_malloc PARAMS ((void *));
166 extern void request_quit PARAMS ((int));
168 extern void do_cleanups PARAMS ((struct cleanup *));
170 extern void discard_cleanups PARAMS ((struct cleanup *));
172 /* The bare make_cleanup function is one of those rare beasts that
173 takes almost any type of function as the first arg and anything that
174 will fit in a "void *" as the second arg.
176 Should be, once all calls and called-functions are cleaned up:
177 extern struct cleanup *
178 make_cleanup PARAMS ((void (*function) (void *), void *));
180 Until then, lint and/or various type-checking compiler options will
181 complain about make_cleanup calls. It'd be wrong to just cast things,
182 since the type actually passed when the function is called would be
185 extern struct cleanup *make_cleanup ();
187 extern struct cleanup *save_cleanups PARAMS ((void));
189 extern void restore_cleanups PARAMS ((struct cleanup *));
191 extern void free_current_contents PARAMS ((char **));
193 extern void null_cleanup PARAMS ((char **));
195 extern int myread PARAMS ((int, char *, int));
199 /* Annotation stuff. */
201 extern int annotation_level; /* in stack.c */
203 extern void begin_line PARAMS ((void));
205 extern void wrap_here PARAMS ((char *));
207 extern void reinitialize_more_filter PARAMS ((void));
209 typedef FILE GDB_FILE;
210 #define gdb_stdout stdout
211 #define gdb_stderr stderr
213 extern int print_insn PARAMS ((CORE_ADDR, GDB_FILE *));
215 extern void gdb_flush PARAMS ((GDB_FILE *));
217 extern GDB_FILE *gdb_fopen PARAMS ((char * name, char * mode));
219 extern void fputs_filtered PARAMS ((const char *, GDB_FILE *));
221 extern void fputs_unfiltered PARAMS ((const char *, GDB_FILE *));
223 extern void fputc_unfiltered PARAMS ((int, GDB_FILE *));
225 extern void putc_unfiltered PARAMS ((int));
227 #define putchar_unfiltered(C) putc_unfiltered(C)
229 extern void puts_filtered PARAMS ((char *));
231 extern void puts_unfiltered PARAMS ((char *));
233 extern void vprintf_filtered ();
235 extern void vfprintf_filtered ();
237 extern void fprintf_filtered ();
239 extern void fprintfi_filtered ();
241 extern void printf_filtered ();
243 extern void printfi_filtered ();
245 extern void vprintf_unfiltered ();
247 extern void vfprintf_unfiltered ();
249 extern void fprintf_unfiltered ();
251 extern void printf_unfiltered ();
253 extern void print_spaces PARAMS ((int, GDB_FILE *));
255 extern void print_spaces_filtered PARAMS ((int, GDB_FILE *));
257 extern char *n_spaces PARAMS ((int));
259 extern void gdb_printchar PARAMS ((int, GDB_FILE *, int));
261 extern void gdb_print_address PARAMS ((void *, GDB_FILE *));
263 extern void fprintf_symbol_filtered PARAMS ((GDB_FILE *, char *,
264 enum language, int));
266 extern void perror_with_name PARAMS ((char *));
268 extern void print_sys_errmsg PARAMS ((char *, int));
270 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
271 "const char *" in unistd.h, so we can't declare the argument
274 extern char *re_comp PARAMS ((const char *));
278 extern void symbol_file_command PARAMS ((char *, int));
282 extern char *skip_quoted PARAMS ((char *));
284 extern char *gdb_readline PARAMS ((char *));
286 extern char *command_line_input PARAMS ((char *, int, char *));
288 extern void print_prompt PARAMS ((void));
290 extern int input_from_terminal_p PARAMS ((void));
292 /* From printcmd.c */
294 extern void set_next_address PARAMS ((CORE_ADDR));
296 extern void print_address_symbolic PARAMS ((CORE_ADDR, GDB_FILE *, int,
299 extern void print_address_numeric PARAMS ((CORE_ADDR, int, GDB_FILE *));
301 extern void print_address PARAMS ((CORE_ADDR, GDB_FILE *));
305 extern int openp PARAMS ((char *, int, char *, int, int, char **));
307 extern void mod_path PARAMS ((char *, char **));
309 extern void directory_command PARAMS ((char *, int));
311 extern void init_source_path PARAMS ((void));
315 extern int read_relative_register_raw_bytes PARAMS ((int, char *));
317 /* From readline (but not in any readline .h files). */
319 extern char *tilde_expand PARAMS ((char *));
321 /* Control types for commands */
323 enum misc_command_type
331 enum command_control_type
341 /* Structure for saved commands lines
342 (for breakpoints, defined commands, etc). */
346 struct command_line *next;
348 enum command_control_type control_type;
350 struct command_line **body_list;
353 extern struct command_line *read_command_lines PARAMS ((void));
355 extern void free_command_lines PARAMS ((struct command_line **));
357 /* String containing the current directory (what getwd would return). */
359 extern char *current_directory;
361 /* Default radixes for input and output. Only some values supported. */
362 extern unsigned input_radix;
363 extern unsigned output_radix;
365 /* Possibilities for prettyprint parameters to routines which print
366 things. Like enum language, this should be in value.h, but needs
367 to be here for the same reason. FIXME: If we can eliminate this
368 as an arg to LA_VAL_PRINT, then we can probably move it back to
373 Val_no_prettyprint = 0,
375 /* Use the default setting which the user has specified. */
380 /* Host machine definition. This will be a symlink to one of the
381 xm-*.h files, built by the `configure' script. */
385 /* Native machine support. This will be a symlink to one of the
386 nm-*.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 PTR mmalloc PARAMS ((PTR, long));
540 extern PTR mrealloc PARAMS ((PTR, PTR, long));
542 extern void mfree PARAMS ((PTR, PTR));
544 extern int mmcheck PARAMS ((PTR, void (*) (void)));
546 extern int mmtrace PARAMS ((void));
548 extern int parse_escape PARAMS ((char **));
550 extern const char * const reg_names[];
552 /* Message to be printed before the error message, when an error occurs. */
554 extern char *error_pre_print;
556 /* Message to be printed before the warning message, when a warning occurs. */
558 extern char *warning_pre_print;
560 extern NORETURN void error () ATTR_NORETURN;
562 extern void error_begin PARAMS ((void));
564 extern NORETURN void fatal () ATTR_NORETURN;
566 extern NORETURN void exit PARAMS ((int)) ATTR_NORETURN; /* 4.10.4.3 */
568 extern NORETURN void nomem PARAMS ((long)) ATTR_NORETURN;
570 /* Reasons for calling return_to_top_level. */
572 /* User interrupt. */
575 /* Any other error. */
579 #define RETURN_MASK_QUIT (1 << (int)RETURN_QUIT)
580 #define RETURN_MASK_ERROR (1 << (int)RETURN_ERROR)
581 #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
582 typedef int return_mask;
585 return_to_top_level PARAMS ((enum return_reason)) ATTR_NORETURN;
588 catch_errors PARAMS ((int (*) (char *), void *, char *, return_mask));
590 extern void warning_setup PARAMS ((void));
592 extern void warning ();
594 /* Global functions from other, non-gdb GNU thingies.
595 Libiberty thingies are no longer declared here. We include libiberty.h
598 extern char *getenv PARAMS ((const char *));
600 /* From other system libraries */
602 #ifndef PSIGNAL_IN_SIGNAL_H
603 extern void psignal PARAMS ((unsigned, const char *));
606 /* For now, we can't include <stdlib.h> because it conflicts with
607 "../include/getopt.h". (FIXME)
609 However, if a function is defined in the ANSI C standard and a prototype
610 for that function is defined and visible in any header file in an ANSI
611 conforming environment, then that prototype must match the definition in
612 the ANSI standard. So we can just duplicate them here without conflict,
613 since they must be the same in all conforming ANSI environments. If
614 these cause problems, then the environment is not ANSI conformant. */
620 extern int fclose PARAMS ((GDB_FILE *stream)); /* 4.9.5.1 */
622 extern void perror PARAMS ((const char *)); /* 4.9.10.4 */
624 extern double atof PARAMS ((const char *nptr)); /* 4.10.1.1 */
626 extern int atoi PARAMS ((const char *)); /* 4.10.1.2 */
628 #ifndef MALLOC_INCOMPATIBLE
630 extern PTR malloc PARAMS ((size_t size)); /* 4.10.3.3 */
632 extern PTR realloc PARAMS ((void *ptr, size_t size)); /* 4.10.3.4 */
634 extern void free PARAMS ((void *)); /* 4.10.3.2 */
636 #endif /* MALLOC_INCOMPATIBLE */
639 qsort PARAMS ((void *base, size_t nmemb, /* 4.10.5.2 */
641 int (*compar)(const void *, const void *)));
643 #ifndef MEM_FNS_DECLARED /* Some non-ANSI use void *, not char *. */
644 extern PTR memcpy PARAMS ((void *, const void *, size_t)); /* 4.11.2.1 */
646 extern int memcmp PARAMS ((const void *, const void *, size_t)); /* 4.11.4.1 */
649 extern char *strchr PARAMS ((const char *, int)); /* 4.11.5.2 */
651 extern char *strrchr PARAMS ((const char *, int)); /* 4.11.5.5 */
653 extern char *strstr PARAMS ((const char *, const char *)); /* 4.11.5.7 */
655 extern char *strtok PARAMS ((char *, const char *)); /* 4.11.5.8 */
657 #ifndef MEM_FNS_DECLARED /* Some non-ANSI use void *, not char *. */
658 extern PTR memset PARAMS ((void *, int, size_t)); /* 4.11.6.1 */
661 extern char *strerror PARAMS ((int)); /* 4.11.6.2 */
663 /* Various possibilities for alloca. */
666 # define alloca __builtin_alloca
667 # else /* Not GNU C */
669 # include <alloca.h> /* NOTE: Doesn't declare alloca() */
672 /* We need to be careful not to declare this in a way which conflicts with
673 bison. Bison never declares it as char *, but under various circumstances
674 (like __hpux) we need to use void *. */
675 # if defined (__STDC__) || defined (__hpux)
676 extern void *alloca ();
677 # else /* Don't use void *. */
678 extern char *alloca ();
679 # endif /* Don't use void *. */
680 # endif /* Not GNU C */
681 #endif /* alloca not defined */
683 /* TARGET_BYTE_ORDER and HOST_BYTE_ORDER must be defined to one of these. */
685 #if !defined (BIG_ENDIAN)
686 #define BIG_ENDIAN 4321
689 #if !defined (LITTLE_ENDIAN)
690 #define LITTLE_ENDIAN 1234
693 /* Target-system-dependent parameters for GDB. */
695 /* Target machine definition. This will be a symlink to one of the
696 tm-*.h files, built by the `configure' script. */
700 /* Number of bits in a char or unsigned char for the target machine.
701 Just like CHAR_BIT in <limits.h> but describes the target machine. */
702 #if !defined (TARGET_CHAR_BIT)
703 #define TARGET_CHAR_BIT 8
706 /* Number of bits in a short or unsigned short for the target machine. */
707 #if !defined (TARGET_SHORT_BIT)
708 #define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT)
711 /* Number of bits in an int or unsigned int for the target machine. */
712 #if !defined (TARGET_INT_BIT)
713 #define TARGET_INT_BIT (4 * TARGET_CHAR_BIT)
716 /* Number of bits in a long or unsigned long for the target machine. */
717 #if !defined (TARGET_LONG_BIT)
718 #define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT)
721 /* Number of bits in a long long or unsigned long long for the target machine. */
722 #if !defined (TARGET_LONG_LONG_BIT)
723 #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT)
726 /* Number of bits in a float for the target machine. */
727 #if !defined (TARGET_FLOAT_BIT)
728 #define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT)
731 /* Number of bits in a double for the target machine. */
732 #if !defined (TARGET_DOUBLE_BIT)
733 #define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT)
736 /* Number of bits in a long double for the target machine. */
737 #if !defined (TARGET_LONG_DOUBLE_BIT)
738 #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT)
741 /* Number of bits in a "complex" for the target machine. */
742 #if !defined (TARGET_COMPLEX_BIT)
743 #define TARGET_COMPLEX_BIT (2 * TARGET_FLOAT_BIT)
746 /* Number of bits in a "double complex" for the target machine. */
747 #if !defined (TARGET_DOUBLE_COMPLEX_BIT)
748 #define TARGET_DOUBLE_COMPLEX_BIT (2 * TARGET_DOUBLE_BIT)
751 /* Number of bits in a pointer for the target machine */
752 #if !defined (TARGET_PTR_BIT)
753 #define TARGET_PTR_BIT TARGET_INT_BIT
756 /* If we picked up a copy of CHAR_BIT from a configuration file
757 (which may get it by including <limits.h>) then use it to set
758 the number of bits in a host char. If not, use the same size
761 #if defined (CHAR_BIT)
762 #define HOST_CHAR_BIT CHAR_BIT
764 #define HOST_CHAR_BIT TARGET_CHAR_BIT
767 /* The bit byte-order has to do just with numbering of bits in
768 debugging symbols and such. Conceptually, it's quite separate
769 from byte/word byte order. */
771 #if !defined (BITS_BIG_ENDIAN)
772 #if TARGET_BYTE_ORDER == BIG_ENDIAN
773 #define BITS_BIG_ENDIAN 1
774 #endif /* Big endian. */
776 #if TARGET_BYTE_ORDER == LITTLE_ENDIAN
777 #define BITS_BIG_ENDIAN 0
778 #endif /* Little endian. */
779 #endif /* BITS_BIG_ENDIAN not defined. */
783 extern LONGEST extract_signed_integer PARAMS ((void *, int));
785 extern unsigned LONGEST extract_unsigned_integer PARAMS ((void *, int));
787 extern CORE_ADDR extract_address PARAMS ((void *, int));
789 extern void store_signed_integer PARAMS ((void *, int, LONGEST));
791 extern void store_unsigned_integer PARAMS ((void *, int, unsigned LONGEST));
793 extern void store_address PARAMS ((void *, int, CORE_ADDR));
795 extern double extract_floating PARAMS ((void *, int));
797 extern void store_floating PARAMS ((void *, int, double));
799 /* On some machines there are bits in addresses which are not really
800 part of the address, but are used by the kernel, the hardware, etc.
801 for special purposes. ADDR_BITS_REMOVE takes out any such bits
802 so we get a "real" address such as one would find in a symbol
803 table. This is used only for addresses of instructions, and even then
804 I'm not sure it's used in all contexts. It exists to deal with there
805 being a few stray bits in the PC which would mislead us, not as some sort
806 of generic thing to handle alignment or segmentation (it's possible it
807 should be in TARGET_READ_PC instead). */
808 #if !defined (ADDR_BITS_REMOVE)
809 #define ADDR_BITS_REMOVE(addr) (addr)
810 #endif /* No ADDR_BITS_REMOVE. */
814 extern CORE_ADDR push_bytes PARAMS ((CORE_ADDR, char *, int));
816 extern CORE_ADDR push_word PARAMS ((CORE_ADDR, unsigned LONGEST));
818 /* Some parts of gdb might be considered optional, in the sense that they
819 are not essential for being able to build a working, usable debugger
820 for a specific environment. For example, the maintenance commands
821 are there for the benefit of gdb maintainers. As another example,
822 some environments really don't need gdb's that are able to read N
823 different object file formats. In order to make it possible (but
824 not necessarily recommended) to build "stripped down" versions of
825 gdb, the following defines control selective compilation of those
826 parts of gdb which can be safely left out when necessary. Note that
827 the default is to include everything. */
829 #ifndef MAINTENANCE_CMDS
830 #define MAINTENANCE_CMDS 1
833 /* Hooks for alternate command interfaces. */
840 extern void (*init_ui_hook) PARAMS ((void));
841 extern void (*command_loop_hook) PARAMS ((void));
842 extern void (*fputs_unfiltered_hook) PARAMS ((const char *linebuffer));
843 extern void (*print_frame_info_listing_hook) PARAMS ((struct symtab *s, int line,
844 int stopline, int noerror));
845 extern int (*query_hook) PARAMS (());
846 extern void (*flush_hook) PARAMS ((FILE *stream));
847 extern void (*create_breakpoint_hook) PARAMS ((struct breakpoint *b));
848 extern void (*delete_breakpoint_hook) PARAMS ((struct breakpoint *bpt));
849 extern void (*enable_breakpoint_hook) PARAMS ((struct breakpoint *bpt));
850 extern void (*disable_breakpoint_hook) PARAMS ((struct breakpoint *bpt));
852 /* Inhibit window interface if non-zero. */
854 extern int no_windows;
856 #endif /* !defined (DEFS_H) */