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 (); if (interactive_hook) interactive_hook (); }
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 /* Needed for various prototypes */
129 /* From blockframe.c */
131 extern int inside_entry_func PARAMS ((CORE_ADDR));
133 extern int inside_entry_file PARAMS ((CORE_ADDR addr));
135 extern int inside_main_func PARAMS ((CORE_ADDR pc));
137 /* From ch-lang.c, for the moment. (FIXME) */
139 extern char *chill_demangle PARAMS ((const char *));
141 /* From libiberty.a */
143 extern char *cplus_demangle PARAMS ((const char *, int));
145 extern char *cplus_mangle_opname PARAMS ((char *, int));
147 /* From libmmalloc.a (memory mapped malloc library) */
149 extern PTR mmalloc_attach PARAMS ((int, PTR));
151 extern PTR mmalloc_detach PARAMS ((PTR));
153 extern PTR mmalloc PARAMS ((PTR, long));
155 extern PTR mrealloc PARAMS ((PTR, PTR, long));
157 extern void mfree PARAMS ((PTR, PTR));
159 extern int mmalloc_setkey PARAMS ((PTR, int, PTR));
161 extern PTR mmalloc_getkey PARAMS ((PTR, int));
165 extern int strcmp_iw PARAMS ((const char *, const char *));
167 extern char *safe_strerror PARAMS ((int));
169 extern char *safe_strsignal PARAMS ((int));
171 extern void init_malloc PARAMS ((void *));
173 extern void request_quit PARAMS ((int));
175 extern void do_cleanups PARAMS ((struct cleanup *));
177 extern void discard_cleanups PARAMS ((struct cleanup *));
179 /* The bare make_cleanup function is one of those rare beasts that
180 takes almost any type of function as the first arg and anything that
181 will fit in a "void *" as the second arg.
183 Should be, once all calls and called-functions are cleaned up:
184 extern struct cleanup *
185 make_cleanup PARAMS ((void (*function) (void *), void *));
187 Until then, lint and/or various type-checking compiler options will
188 complain about make_cleanup calls. It'd be wrong to just cast things,
189 since the type actually passed when the function is called would be
192 extern struct cleanup *make_cleanup ();
194 extern struct cleanup *save_cleanups PARAMS ((void));
196 extern void restore_cleanups PARAMS ((struct cleanup *));
198 extern void free_current_contents PARAMS ((char **));
200 extern void null_cleanup PARAMS ((char **));
202 extern int myread PARAMS ((int, char *, int));
206 /* Annotation stuff. */
208 extern int annotation_level; /* in stack.c */
210 extern void begin_line PARAMS ((void));
212 extern void wrap_here PARAMS ((char *));
214 extern void reinitialize_more_filter PARAMS ((void));
216 typedef FILE GDB_FILE;
217 #define gdb_stdout stdout
218 #define gdb_stderr stderr
220 extern int print_insn PARAMS ((CORE_ADDR, GDB_FILE *));
222 extern void gdb_flush PARAMS ((GDB_FILE *));
224 extern GDB_FILE *gdb_fopen PARAMS ((char * name, char * mode));
226 extern void fputs_filtered PARAMS ((const char *, GDB_FILE *));
228 extern void fputs_unfiltered PARAMS ((const char *, GDB_FILE *));
230 extern void fputc_unfiltered PARAMS ((int, GDB_FILE *));
232 extern void putc_unfiltered PARAMS ((int));
234 #define putchar_unfiltered(C) putc_unfiltered(C)
236 extern void puts_filtered PARAMS ((char *));
238 extern void puts_unfiltered PARAMS ((char *));
240 extern void vprintf_filtered ();
242 extern void vfprintf_filtered ();
244 extern void fprintf_filtered ();
246 extern void fprintfi_filtered ();
248 extern void printf_filtered ();
250 extern void printfi_filtered ();
252 extern void vprintf_unfiltered ();
254 extern void vfprintf_unfiltered ();
256 extern void fprintf_unfiltered ();
258 extern void printf_unfiltered ();
260 extern void print_spaces PARAMS ((int, GDB_FILE *));
262 extern void print_spaces_filtered PARAMS ((int, GDB_FILE *));
264 extern char *n_spaces PARAMS ((int));
266 extern void gdb_printchar PARAMS ((int, GDB_FILE *, int));
268 extern void gdb_print_address PARAMS ((void *, GDB_FILE *));
270 extern void fprintf_symbol_filtered PARAMS ((GDB_FILE *, char *,
271 enum language, int));
273 extern void perror_with_name PARAMS ((char *));
275 extern void print_sys_errmsg PARAMS ((char *, int));
277 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
278 "const char *" in unistd.h, so we can't declare the argument
281 extern char *re_comp PARAMS ((const char *));
285 extern void symbol_file_command PARAMS ((char *, int));
289 extern char *skip_quoted PARAMS ((char *));
291 extern char *gdb_readline PARAMS ((char *));
293 extern char *command_line_input PARAMS ((char *, int, char *));
295 extern void print_prompt PARAMS ((void));
297 extern int input_from_terminal_p PARAMS ((void));
299 /* From printcmd.c */
301 extern void set_next_address PARAMS ((CORE_ADDR));
303 extern void print_address_symbolic PARAMS ((CORE_ADDR, GDB_FILE *, int,
306 extern void print_address_numeric PARAMS ((CORE_ADDR, int, GDB_FILE *));
308 extern void print_address PARAMS ((CORE_ADDR, GDB_FILE *));
312 extern int openp PARAMS ((char *, int, char *, int, int, char **));
314 extern void mod_path PARAMS ((char *, char **));
316 extern void directory_command PARAMS ((char *, int));
318 extern void init_source_path PARAMS ((void));
320 extern char *symtab_to_filename PARAMS ((struct symtab *));
324 extern int read_relative_register_raw_bytes PARAMS ((int, char *));
326 /* From readline (but not in any readline .h files). */
328 extern char *tilde_expand PARAMS ((char *));
330 /* Control types for commands */
332 enum misc_command_type
340 enum command_control_type
350 /* Structure for saved commands lines
351 (for breakpoints, defined commands, etc). */
355 struct command_line *next;
357 enum command_control_type control_type;
359 struct command_line **body_list;
362 extern struct command_line *read_command_lines PARAMS ((void));
364 extern void free_command_lines PARAMS ((struct command_line **));
366 /* String containing the current directory (what getwd would return). */
368 extern char *current_directory;
370 /* Default radixes for input and output. Only some values supported. */
371 extern unsigned input_radix;
372 extern unsigned output_radix;
374 /* Possibilities for prettyprint parameters to routines which print
375 things. Like enum language, this should be in value.h, but needs
376 to be here for the same reason. FIXME: If we can eliminate this
377 as an arg to LA_VAL_PRINT, then we can probably move it back to
382 Val_no_prettyprint = 0,
384 /* Use the default setting which the user has specified. */
389 /* Host machine definition. This will be a symlink to one of the
390 xm-*.h files, built by the `configure' script. */
394 /* Native machine support. This will be a symlink to one of the
395 nm-*.h files, built by the `configure' script. */
399 /* If the xm.h file did not define the mode string used to open the
400 files, assume that binary files are opened the same way as text
403 #include "fopen-same.h"
407 * Allow things in gdb to be declared "const". If compiling ANSI, it
408 * just works. If compiling with gcc but non-ansi, redefine to __const__.
409 * If non-ansi, non-gcc, then eliminate "const" entirely, making those
410 * objects be read-write rather than read-only.
416 # define const __const__
418 # define const /*nothing*/
426 # define volatile __volatile__
428 # define volatile /*nothing*/
431 #endif /* volatile */
433 /* The ability to declare that a function never returns is useful, but
434 not really required to compile GDB successfully, so the NORETURN and
435 ATTR_NORETURN macros normally expand into nothing. */
437 /* If compiling with older versions of GCC, a function may be declared
438 "volatile" to indicate that it does not return. */
441 # if defined(__GNUC__) \
442 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5))
443 # define NORETURN volatile
445 # define NORETURN /* nothing */
449 /* GCC 2.5 and later versions define a function attribute "noreturn",
450 which is the preferred way to declare that a function never returns. */
452 #ifndef ATTR_NORETURN
453 # if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 5
454 # define ATTR_NORETURN __attribute__ ((noreturn))
456 # define ATTR_NORETURN /* nothing */
460 /* Defaults for system-wide constants (if not defined by xm.h, we fake it). */
462 #if !defined (UINT_MAX)
463 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
466 #if !defined (INT_MAX)
467 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
470 #if !defined (INT_MIN)
471 #define INT_MIN (-INT_MAX - 1) /* 0x80000000 for 32-bits */
474 #if !defined (ULONG_MAX)
475 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
478 #if !defined (LONG_MAX)
479 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
484 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
486 #define LONGEST BFD_HOST_64_BIT
490 /* If all compilers for this host support "long long" and we want to
491 use it for LONGEST (the performance hit is about 10% on a testsuite
492 run based on one DECstation test), then the xm.h file can define
495 Using GCC 1.39 on BSDI with long long causes about 700 new
496 testsuite failures. Using long long for LONGEST on the DECstation
497 causes 3 new FAILs in the testsuite and many heuristic fencepost
498 warnings. These are not investigated, but a first guess would be
499 that the BSDI problems are GCC bugs in long long support and the
500 latter are GDB bugs. */
502 #ifndef CC_HAS_LONG_LONG
503 # if defined (__GNUC__) && defined (FORCE_LONG_LONG)
504 # define CC_HAS_LONG_LONG 1
508 /* LONGEST should not be a typedef, because "unsigned LONGEST" needs to work.
509 CC_HAS_LONG_LONG is defined if the host compiler supports "long long"
510 variables and we wish to make use of that support. */
513 # ifdef CC_HAS_LONG_LONG
514 # define LONGEST long long
516 # define LONGEST long
520 #endif /* No BFD64 */
522 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
523 arguments to a function, number in a value history, register number, etc.)
524 where the value must not be larger than can fit in an int. */
526 extern int longest_to_int PARAMS ((LONGEST));
528 /* Assorted functions we can declare, now that const and volatile are
531 extern char *savestring PARAMS ((const char *, int));
533 extern char *msavestring PARAMS ((void *, const char *, int));
535 extern char *strsave PARAMS ((const char *));
537 extern char *mstrsave PARAMS ((void *, const char *));
539 extern PTR xmalloc PARAMS ((long));
541 extern PTR xrealloc PARAMS ((PTR, long));
543 extern PTR xmmalloc PARAMS ((PTR, long));
545 extern PTR xmrealloc PARAMS ((PTR, PTR, long));
547 extern PTR mmalloc PARAMS ((PTR, long));
549 extern PTR mrealloc PARAMS ((PTR, PTR, long));
551 extern void mfree PARAMS ((PTR, PTR));
553 extern int mmcheck PARAMS ((PTR, void (*) (void)));
555 extern int mmtrace PARAMS ((void));
557 extern int parse_escape PARAMS ((char **));
559 extern const char * const reg_names[];
561 /* Message to be printed before the error message, when an error occurs. */
563 extern char *error_pre_print;
565 /* Message to be printed before the warning message, when a warning occurs. */
567 extern char *warning_pre_print;
569 extern NORETURN void error () ATTR_NORETURN;
571 extern void error_begin PARAMS ((void));
573 extern NORETURN void fatal () ATTR_NORETURN;
575 extern NORETURN void exit PARAMS ((int)) ATTR_NORETURN; /* 4.10.4.3 */
577 extern NORETURN void nomem PARAMS ((long)) ATTR_NORETURN;
579 /* Reasons for calling return_to_top_level. */
581 /* User interrupt. */
584 /* Any other error. */
588 #define RETURN_MASK_QUIT (1 << (int)RETURN_QUIT)
589 #define RETURN_MASK_ERROR (1 << (int)RETURN_ERROR)
590 #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
591 typedef int return_mask;
594 return_to_top_level PARAMS ((enum return_reason)) ATTR_NORETURN;
597 catch_errors PARAMS ((int (*) (char *), void *, char *, return_mask));
599 extern void warning_setup PARAMS ((void));
601 extern void warning ();
603 /* Global functions from other, non-gdb GNU thingies.
604 Libiberty thingies are no longer declared here. We include libiberty.h
607 extern char *getenv PARAMS ((const char *));
609 /* From other system libraries */
611 #ifndef PSIGNAL_IN_SIGNAL_H
612 extern void psignal PARAMS ((unsigned, const char *));
615 /* For now, we can't include <stdlib.h> because it conflicts with
616 "../include/getopt.h". (FIXME)
618 However, if a function is defined in the ANSI C standard and a prototype
619 for that function is defined and visible in any header file in an ANSI
620 conforming environment, then that prototype must match the definition in
621 the ANSI standard. So we can just duplicate them here without conflict,
622 since they must be the same in all conforming ANSI environments. If
623 these cause problems, then the environment is not ANSI conformant. */
629 extern int fclose PARAMS ((GDB_FILE *stream)); /* 4.9.5.1 */
631 extern void perror PARAMS ((const char *)); /* 4.9.10.4 */
633 extern double atof PARAMS ((const char *nptr)); /* 4.10.1.1 */
635 extern int atoi PARAMS ((const char *)); /* 4.10.1.2 */
637 #ifndef MALLOC_INCOMPATIBLE
639 extern PTR malloc PARAMS ((size_t size)); /* 4.10.3.3 */
641 extern PTR realloc PARAMS ((void *ptr, size_t size)); /* 4.10.3.4 */
643 extern void free PARAMS ((void *)); /* 4.10.3.2 */
645 #endif /* MALLOC_INCOMPATIBLE */
648 qsort PARAMS ((void *base, size_t nmemb, /* 4.10.5.2 */
650 int (*compar)(const void *, const void *)));
652 #ifndef MEM_FNS_DECLARED /* Some non-ANSI use void *, not char *. */
653 extern PTR memcpy PARAMS ((void *, const void *, size_t)); /* 4.11.2.1 */
655 extern int memcmp PARAMS ((const void *, const void *, size_t)); /* 4.11.4.1 */
658 extern char *strchr PARAMS ((const char *, int)); /* 4.11.5.2 */
660 extern char *strrchr PARAMS ((const char *, int)); /* 4.11.5.5 */
662 extern char *strstr PARAMS ((const char *, const char *)); /* 4.11.5.7 */
664 extern char *strtok PARAMS ((char *, const char *)); /* 4.11.5.8 */
666 #ifndef MEM_FNS_DECLARED /* Some non-ANSI use void *, not char *. */
667 extern PTR memset PARAMS ((void *, int, size_t)); /* 4.11.6.1 */
670 extern char *strerror PARAMS ((int)); /* 4.11.6.2 */
672 /* Various possibilities for alloca. */
675 # define alloca __builtin_alloca
676 # else /* Not GNU C */
678 # include <alloca.h> /* NOTE: Doesn't declare alloca() */
681 /* We need to be careful not to declare this in a way which conflicts with
682 bison. Bison never declares it as char *, but under various circumstances
683 (like __hpux) we need to use void *. */
684 # if defined (__STDC__) || defined (__hpux)
685 extern void *alloca ();
686 # else /* Don't use void *. */
687 extern char *alloca ();
688 # endif /* Don't use void *. */
689 # endif /* Not GNU C */
690 #endif /* alloca not defined */
692 /* TARGET_BYTE_ORDER and HOST_BYTE_ORDER must be defined to one of these. */
694 #if !defined (BIG_ENDIAN)
695 #define BIG_ENDIAN 4321
698 #if !defined (LITTLE_ENDIAN)
699 #define LITTLE_ENDIAN 1234
702 /* Target-system-dependent parameters for GDB. */
704 /* Target machine definition. This will be a symlink to one of the
705 tm-*.h files, built by the `configure' script. */
709 /* Number of bits in a char or unsigned char for the target machine.
710 Just like CHAR_BIT in <limits.h> but describes the target machine. */
711 #if !defined (TARGET_CHAR_BIT)
712 #define TARGET_CHAR_BIT 8
715 /* Number of bits in a short or unsigned short for the target machine. */
716 #if !defined (TARGET_SHORT_BIT)
717 #define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT)
720 /* Number of bits in an int or unsigned int for the target machine. */
721 #if !defined (TARGET_INT_BIT)
722 #define TARGET_INT_BIT (4 * TARGET_CHAR_BIT)
725 /* Number of bits in a long or unsigned long for the target machine. */
726 #if !defined (TARGET_LONG_BIT)
727 #define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT)
730 /* Number of bits in a long long or unsigned long long for the target machine. */
731 #if !defined (TARGET_LONG_LONG_BIT)
732 #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT)
735 /* Number of bits in a float for the target machine. */
736 #if !defined (TARGET_FLOAT_BIT)
737 #define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT)
740 /* Number of bits in a double for the target machine. */
741 #if !defined (TARGET_DOUBLE_BIT)
742 #define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT)
745 /* Number of bits in a long double for the target machine. */
746 #if !defined (TARGET_LONG_DOUBLE_BIT)
747 #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT)
750 /* Number of bits in a "complex" for the target machine. */
751 #if !defined (TARGET_COMPLEX_BIT)
752 #define TARGET_COMPLEX_BIT (2 * TARGET_FLOAT_BIT)
755 /* Number of bits in a "double complex" for the target machine. */
756 #if !defined (TARGET_DOUBLE_COMPLEX_BIT)
757 #define TARGET_DOUBLE_COMPLEX_BIT (2 * TARGET_DOUBLE_BIT)
760 /* Number of bits in a pointer for the target machine */
761 #if !defined (TARGET_PTR_BIT)
762 #define TARGET_PTR_BIT TARGET_INT_BIT
765 /* If we picked up a copy of CHAR_BIT from a configuration file
766 (which may get it by including <limits.h>) then use it to set
767 the number of bits in a host char. If not, use the same size
770 #if defined (CHAR_BIT)
771 #define HOST_CHAR_BIT CHAR_BIT
773 #define HOST_CHAR_BIT TARGET_CHAR_BIT
776 /* The bit byte-order has to do just with numbering of bits in
777 debugging symbols and such. Conceptually, it's quite separate
778 from byte/word byte order. */
780 #if !defined (BITS_BIG_ENDIAN)
781 #if TARGET_BYTE_ORDER == BIG_ENDIAN
782 #define BITS_BIG_ENDIAN 1
783 #endif /* Big endian. */
785 #if TARGET_BYTE_ORDER == LITTLE_ENDIAN
786 #define BITS_BIG_ENDIAN 0
787 #endif /* Little endian. */
788 #endif /* BITS_BIG_ENDIAN not defined. */
792 extern LONGEST extract_signed_integer PARAMS ((void *, int));
794 extern unsigned LONGEST extract_unsigned_integer PARAMS ((void *, int));
796 extern CORE_ADDR extract_address PARAMS ((void *, int));
798 extern void store_signed_integer PARAMS ((void *, int, LONGEST));
800 extern void store_unsigned_integer PARAMS ((void *, int, unsigned LONGEST));
802 extern void store_address PARAMS ((void *, int, CORE_ADDR));
804 extern double extract_floating PARAMS ((void *, int));
806 extern void store_floating PARAMS ((void *, int, double));
808 /* On some machines there are bits in addresses which are not really
809 part of the address, but are used by the kernel, the hardware, etc.
810 for special purposes. ADDR_BITS_REMOVE takes out any such bits
811 so we get a "real" address such as one would find in a symbol
812 table. This is used only for addresses of instructions, and even then
813 I'm not sure it's used in all contexts. It exists to deal with there
814 being a few stray bits in the PC which would mislead us, not as some sort
815 of generic thing to handle alignment or segmentation (it's possible it
816 should be in TARGET_READ_PC instead). */
817 #if !defined (ADDR_BITS_REMOVE)
818 #define ADDR_BITS_REMOVE(addr) (addr)
819 #endif /* No ADDR_BITS_REMOVE. */
823 extern CORE_ADDR push_bytes PARAMS ((CORE_ADDR, char *, int));
825 extern CORE_ADDR push_word PARAMS ((CORE_ADDR, unsigned LONGEST));
827 /* Some parts of gdb might be considered optional, in the sense that they
828 are not essential for being able to build a working, usable debugger
829 for a specific environment. For example, the maintenance commands
830 are there for the benefit of gdb maintainers. As another example,
831 some environments really don't need gdb's that are able to read N
832 different object file formats. In order to make it possible (but
833 not necessarily recommended) to build "stripped down" versions of
834 gdb, the following defines control selective compilation of those
835 parts of gdb which can be safely left out when necessary. Note that
836 the default is to include everything. */
838 #ifndef MAINTENANCE_CMDS
839 #define MAINTENANCE_CMDS 1
842 /* Hooks for alternate command interfaces. */
844 extern void (*init_ui_hook) PARAMS ((void));
845 extern void (*command_loop_hook) PARAMS ((void));
846 extern void (*fputs_unfiltered_hook) PARAMS ((const char *linebuffer));
847 extern void (*print_frame_info_listing_hook) PARAMS ((struct symtab *s, int line,
848 int stopline, int noerror));
849 extern int (*query_hook) PARAMS (());
850 extern void (*flush_hook) PARAMS ((FILE *stream));
851 extern void (*create_breakpoint_hook) PARAMS ((struct breakpoint *b));
852 extern void (*delete_breakpoint_hook) PARAMS ((struct breakpoint *bpt));
853 extern void (*enable_breakpoint_hook) PARAMS ((struct breakpoint *bpt));
854 extern void (*disable_breakpoint_hook) PARAMS ((struct breakpoint *bpt));
855 extern void (*interactive_hook) PARAMS ((void));
857 /* Inhibit window interface if non-zero. */
859 extern int no_windows;
861 #endif /* !defined (DEFS_H) */