1 /* Basic, host-specific, and target-specific definitions for GDB.
2 Copyright (C) 1986, 1989, 1991, 1992, 1993, 1994, 1995, 1996
3 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
25 #include <errno.h> /* System call error return status */
27 /* Just in case they're not defined in stdio.h. */
36 /* First include ansidecl.h so we can use the various macro definitions
37 here and in all subsequent file inclusions. */
41 #ifdef ANSI_PROTOTYPES
47 #include "libiberty.h"
49 /* libiberty.h can't declare this one, but evidently we can. */
50 extern char *strsignal
PARAMS ((int));
58 /* For BFD64 and bfd_vma. */
61 /* An address in the program being debugged. Host byte order. Rather
62 than duplicate all the logic in BFD which figures out what type
63 this is (long, long long, etc.) and whether it needs to be 64
64 bits (the host/target interactions are subtle), we just use
67 typedef bfd_vma CORE_ADDR
;
69 #define min(a, b) ((a) < (b) ? (a) : (b))
70 #define max(a, b) ((a) > (b) ? (a) : (b))
72 /* Gdb does *lots* of string compares. Use macros to speed them up by
73 avoiding function calls if the first characters are not the same. */
75 #define STRCMP(a,b) (*(a) == *(b) ? strcmp ((a), (b)) : (int)*(a) - (int)*(b))
76 #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0)
77 #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0)
79 /* The character GNU C++ uses to build identifiers that must be unique from
80 the program's identifiers (such as $this and $$vptr). */
81 #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */
83 /* Check if a character is one of the commonly used C++ marker characters. */
84 extern int is_cplus_marker
PARAMS ((int));
87 extern int immediate_quit
;
88 extern int sevenbit_strings
;
90 extern void quit
PARAMS ((void));
93 if (quit_flag) quit (); \
94 if (interactive_hook) interactive_hook (); \
98 /* Command classes are top-level categories into which commands are broken
99 down for "help" purposes.
100 Notes on classes: class_alias is for alias commands which are not
101 abbreviations of the original command. class-pseudo is for commands
102 which are not really commands nor help topics ("stop"). */
106 /* Special args to help_list */
107 all_classes
= -2, all_commands
= -1,
108 /* Classes of commands */
109 no_class
= -1, class_run
= 0, class_vars
, class_stack
,
110 class_files
, class_support
, class_info
, class_breakpoint
,
111 class_alias
, class_obscure
, class_user
, class_maintenance
,
115 /* Languages represented in the symbol table and elsewhere.
116 This should probably be in language.h, but since enum's can't
117 be forward declared to satisfy opaque references before their
118 actual definition, needs to be here. */
122 language_unknown
, /* Language not known */
123 language_auto
, /* Placeholder for automatic setting */
125 language_cplus
, /* C++ */
126 language_chill
, /* Chill */
127 language_fortran
, /* Fortran */
128 language_m2
, /* Modula-2 */
129 language_asm
, /* Assembly language */
130 language_scm
/* Scheme / Guile */
133 /* the cleanup list records things that have to be undone
134 if an error happens (descriptors to be closed, memory to be freed, etc.)
135 Each link in the chain records a function to call and an
138 Use make_cleanup to add an element to the cleanup chain.
139 Use do_cleanups to do all cleanup actions back to a given
140 point in the chain. Use discard_cleanups to remove cleanups
141 from the chain back to a given point, not doing them. */
145 struct cleanup
*next
;
146 void (*function
) PARAMS ((PTR
));
151 /* The ability to declare that a function never returns is useful, but
152 not really required to compile GDB successfully, so the NORETURN and
153 ATTR_NORETURN macros normally expand into nothing. */
155 /* If compiling with older versions of GCC, a function may be declared
156 "volatile" to indicate that it does not return. */
159 # if defined(__GNUC__) \
160 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
161 # define NORETURN volatile
163 # define NORETURN /* nothing */
167 /* GCC 2.5 and later versions define a function attribute "noreturn",
168 which is the preferred way to declare that a function never returns.
169 However GCC 2.7 appears to be the first version in which this fully
170 works everywhere we use it. */
172 #ifndef ATTR_NORETURN
173 # if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 7
174 # define ATTR_NORETURN __attribute__ ((noreturn))
176 # define ATTR_NORETURN /* nothing */
181 # if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 4 && defined (__ANSI_PROTOTYPES)
182 # define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
184 # define ATTR_FORMAT(type, x, y) /* nothing */
188 /* Needed for various prototypes */
195 /* From blockframe.c */
197 extern int inside_entry_func
PARAMS ((CORE_ADDR
));
199 extern int inside_entry_file
PARAMS ((CORE_ADDR addr
));
201 extern int inside_main_func
PARAMS ((CORE_ADDR pc
));
203 /* From ch-lang.c, for the moment. (FIXME) */
205 extern char *chill_demangle
PARAMS ((const char *));
209 extern int strcmp_iw
PARAMS ((const char *, const char *));
211 extern char *safe_strerror
PARAMS ((int));
213 extern char *safe_strsignal
PARAMS ((int));
215 extern void init_malloc
PARAMS ((void *));
217 extern void request_quit
PARAMS ((int));
219 extern void do_cleanups
PARAMS ((struct cleanup
*));
221 extern void discard_cleanups
PARAMS ((struct cleanup
*));
223 /* The bare make_cleanup function is one of those rare beasts that
224 takes almost any type of function as the first arg and anything that
225 will fit in a "void *" as the second arg.
227 Should be, once all calls and called-functions are cleaned up:
228 extern struct cleanup *
229 make_cleanup PARAMS ((void (*function) (void *), void *));
231 Until then, lint and/or various type-checking compiler options will
232 complain about make_cleanup calls. It'd be wrong to just cast things,
233 since the type actually passed when the function is called would be
236 extern struct cleanup
*make_cleanup ();
238 extern struct cleanup
*save_cleanups
PARAMS ((void));
240 extern void restore_cleanups
PARAMS ((struct cleanup
*));
242 extern void free_current_contents
PARAMS ((char **));
244 extern void null_cleanup
PARAMS ((char **));
246 extern int myread
PARAMS ((int, char *, int));
248 extern int query
PARAMS((char *, ...))
249 ATTR_FORMAT(printf
, 1, 2);
251 /* Annotation stuff. */
253 extern int annotation_level
; /* in stack.c */
255 extern void begin_line
PARAMS ((void));
257 extern void wrap_here
PARAMS ((char *));
259 extern void reinitialize_more_filter
PARAMS ((void));
261 typedef FILE GDB_FILE
;
262 #define gdb_stdout stdout
263 #define gdb_stderr stderr
265 extern void gdb_flush
PARAMS ((GDB_FILE
*));
267 extern GDB_FILE
*gdb_fopen
PARAMS ((char * name
, char * mode
));
269 extern void fputs_filtered
PARAMS ((const char *, GDB_FILE
*));
271 extern void fputs_unfiltered
PARAMS ((const char *, GDB_FILE
*));
273 extern int fputc_unfiltered
PARAMS ((int c
, GDB_FILE
*));
275 extern int putchar_unfiltered
PARAMS ((int c
));
277 extern void puts_filtered
PARAMS ((const char *));
279 extern void puts_unfiltered
PARAMS ((const char *));
281 extern void vprintf_filtered
PARAMS ((const char *, va_list))
282 ATTR_FORMAT(printf
, 1, 0);
284 extern void vfprintf_filtered
PARAMS ((FILE *, const char *, va_list))
285 ATTR_FORMAT(printf
, 2, 0);
287 extern void fprintf_filtered
PARAMS ((FILE *, const char *, ...))
288 ATTR_FORMAT(printf
, 2, 3);
290 extern void fprintfi_filtered
PARAMS ((int, FILE *, const char *, ...))
291 ATTR_FORMAT(printf
, 3, 4);
293 extern void printf_filtered
PARAMS ((const char *, ...))
294 ATTR_FORMAT(printf
, 1, 2);
296 extern void printfi_filtered
PARAMS ((int, const char *, ...))
297 ATTR_FORMAT(printf
, 2, 3);
299 extern void vprintf_unfiltered
PARAMS ((const char *, va_list))
300 ATTR_FORMAT(printf
, 1, 0);
302 extern void vfprintf_unfiltered
PARAMS ((FILE *, const char *, va_list))
303 ATTR_FORMAT(printf
, 2, 0);
305 extern void fprintf_unfiltered
PARAMS ((FILE *, const char *, ...))
306 ATTR_FORMAT(printf
, 2, 3);
308 extern void printf_unfiltered
PARAMS ((const char *, ...))
309 ATTR_FORMAT(printf
, 1, 2);
311 extern void print_spaces
PARAMS ((int, GDB_FILE
*));
313 extern void print_spaces_filtered
PARAMS ((int, GDB_FILE
*));
315 extern char *n_spaces
PARAMS ((int));
317 extern void gdb_printchar
PARAMS ((int, GDB_FILE
*, int));
319 extern void gdb_print_address
PARAMS ((void *, GDB_FILE
*));
321 extern void fprintf_symbol_filtered
PARAMS ((GDB_FILE
*, char *,
322 enum language
, int));
324 extern void perror_with_name
PARAMS ((char *));
326 extern void print_sys_errmsg
PARAMS ((char *, int));
328 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
329 "const char *" in unistd.h, so we can't declare the argument
332 extern char *re_comp
PARAMS ((const char *));
336 extern void symbol_file_command
PARAMS ((char *, int));
340 extern char *skip_quoted
PARAMS ((char *));
342 extern char *gdb_readline
PARAMS ((char *));
344 extern char *command_line_input
PARAMS ((char *, int, char *));
346 extern void print_prompt
PARAMS ((void));
348 extern int input_from_terminal_p
PARAMS ((void));
350 extern int info_verbose
;
352 /* From printcmd.c */
354 extern void set_next_address
PARAMS ((CORE_ADDR
));
356 extern void print_address_symbolic
PARAMS ((CORE_ADDR
, GDB_FILE
*, int,
359 extern void print_address_numeric
PARAMS ((CORE_ADDR
, int, GDB_FILE
*));
361 extern void print_address
PARAMS ((CORE_ADDR
, GDB_FILE
*));
365 extern int openp
PARAMS ((char *, int, char *, int, int, char **));
367 extern void mod_path
PARAMS ((char *, char **));
369 extern void directory_command
PARAMS ((char *, int));
371 extern void init_source_path
PARAMS ((void));
373 extern char *symtab_to_filename
PARAMS ((struct symtab
*));
377 extern int read_relative_register_raw_bytes
PARAMS ((int, char *));
379 /* From readline (but not in any readline .h files). */
381 extern char *tilde_expand
PARAMS ((char *));
383 /* Control types for commands */
385 enum misc_command_type
393 enum command_control_type
403 /* Structure for saved commands lines
404 (for breakpoints, defined commands, etc). */
408 struct command_line
*next
;
410 enum command_control_type control_type
;
412 struct command_line
**body_list
;
415 extern struct command_line
*read_command_lines
PARAMS ((void));
417 extern void free_command_lines
PARAMS ((struct command_line
**));
419 /* String containing the current directory (what getwd would return). */
421 extern char *current_directory
;
423 /* Default radixes for input and output. Only some values supported. */
424 extern unsigned input_radix
;
425 extern unsigned output_radix
;
427 /* Possibilities for prettyprint parameters to routines which print
428 things. Like enum language, this should be in value.h, but needs
429 to be here for the same reason. FIXME: If we can eliminate this
430 as an arg to LA_VAL_PRINT, then we can probably move it back to
435 Val_no_prettyprint
= 0,
437 /* Use the default setting which the user has specified. */
442 /* Host machine definition. This will be a symlink to one of the
443 xm-*.h files, built by the `configure' script. */
447 /* Native machine support. This will be a symlink to one of the
448 nm-*.h files, built by the `configure' script. */
452 /* Target machine definition. This will be a symlink to one of the
453 tm-*.h files, built by the `configure' script. */
457 /* If the xm.h file did not define the mode string used to open the
458 files, assume that binary files are opened the same way as text
461 #include "fopen-same.h"
465 * Allow things in gdb to be declared "const". If compiling ANSI, it
466 * just works. If compiling with gcc but non-ansi, redefine to __const__.
467 * If non-ansi, non-gcc, then eliminate "const" entirely, making those
468 * objects be read-write rather than read-only.
474 # define const __const__
476 # define const /*nothing*/
484 # define volatile __volatile__
486 # define volatile /*nothing*/
489 #endif /* volatile */
491 /* Defaults for system-wide constants (if not defined by xm.h, we fake it). */
493 #if !defined (UINT_MAX)
494 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
497 #if !defined (INT_MAX)
498 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
501 #if !defined (INT_MIN)
502 #define INT_MIN (-INT_MAX - 1) /* 0x80000000 for 32-bits */
505 #if !defined (ULONG_MAX)
506 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
509 #if !defined (LONG_MAX)
510 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
515 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
517 #define LONGEST BFD_HOST_64_BIT
521 /* If all compilers for this host support "long long" and we want to
522 use it for LONGEST (the performance hit is about 10% on a testsuite
523 run based on one DECstation test), then the xm.h file can define
526 Using GCC 1.39 on BSDI with long long causes about 700 new
527 testsuite failures. Using long long for LONGEST on the DECstation
528 causes 3 new FAILs in the testsuite and many heuristic fencepost
529 warnings. These are not investigated, but a first guess would be
530 that the BSDI problems are GCC bugs in long long support and the
531 latter are GDB bugs. */
533 #ifndef CC_HAS_LONG_LONG
534 # if defined (__GNUC__) && defined (FORCE_LONG_LONG)
535 # define CC_HAS_LONG_LONG 1
539 /* LONGEST should not be a typedef, because "unsigned LONGEST" needs to work.
540 CC_HAS_LONG_LONG is defined if the host compiler supports "long long"
541 variables and we wish to make use of that support. */
544 # ifdef CC_HAS_LONG_LONG
545 # define LONGEST long long
547 # define LONGEST long
551 #endif /* No BFD64 */
553 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
554 arguments to a function, number in a value history, register number, etc.)
555 where the value must not be larger than can fit in an int. */
557 extern int longest_to_int
PARAMS ((LONGEST
));
559 /* Assorted functions we can declare, now that const and volatile are
562 extern char *savestring
PARAMS ((const char *, int));
564 extern char *msavestring
PARAMS ((void *, const char *, int));
566 extern char *strsave
PARAMS ((const char *));
568 extern char *mstrsave
PARAMS ((void *, const char *));
570 extern PTR xmmalloc
PARAMS ((PTR
, long));
572 extern PTR xmrealloc
PARAMS ((PTR
, PTR
, long));
574 extern int parse_escape
PARAMS ((char **));
576 extern char *reg_names
[];
578 /* Message to be printed before the error message, when an error occurs. */
580 extern char *error_pre_print
;
582 /* Message to be printed before the error message, when an error occurs. */
584 extern char *quit_pre_print
;
586 /* Message to be printed before the warning message, when a warning occurs. */
588 extern char *warning_pre_print
;
590 extern NORETURN
void error
PARAMS((char *, ...)) ATTR_NORETURN
;
592 extern void error_begin
PARAMS ((void));
594 extern NORETURN
void fatal
PARAMS((char *, ...)) ATTR_NORETURN
;
596 extern NORETURN
void nomem
PARAMS ((long)) ATTR_NORETURN
;
598 /* Reasons for calling return_to_top_level. */
600 /* User interrupt. */
603 /* Any other error. */
607 #define RETURN_MASK_QUIT (1 << (int)RETURN_QUIT)
608 #define RETURN_MASK_ERROR (1 << (int)RETURN_ERROR)
609 #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
610 typedef int return_mask
;
613 return_to_top_level
PARAMS ((enum return_reason
)) ATTR_NORETURN
;
616 catch_errors
PARAMS ((int (*) (char *), void *, char *, return_mask
));
618 extern void warning_begin
PARAMS ((void));
620 extern void warning
PARAMS ((char *, ...))
621 ATTR_FORMAT(printf
, 1, 2);
623 /* Global functions from other, non-gdb GNU thingies.
624 Libiberty thingies are no longer declared here. We include libiberty.h
627 #ifndef GETENV_PROVIDED
628 extern char *getenv
PARAMS ((const char *));
631 /* From other system libraries */
639 /* We take the address of fclose later, but some stdio's forget
640 to declare this. We can't always declare it since there's
641 no way to declare the parameters without upsetting some compiler
644 #ifndef FCLOSE_PROVIDED
645 extern int fclose ();
649 extern double atof ();
652 #ifndef MALLOC_INCOMPATIBLE
654 extern PTR
malloc ();
656 extern PTR
realloc ();
660 #endif /* MALLOC_INCOMPATIBLE */
665 extern char *strchr ();
669 extern char *strrchr ();
673 extern char *strstr ();
677 extern char *strtok ();
681 extern char *strerror ();
684 #endif /* !__WIN32__ */
686 /* Various possibilities for alloca. */
689 # define alloca __builtin_alloca
690 # else /* Not GNU C */
692 # include <alloca.h> /* NOTE: Doesn't declare alloca() */
695 /* We need to be careful not to declare this in a way which conflicts with
696 bison. Bison never declares it as char *, but under various circumstances
697 (like __hpux) we need to use void *. */
698 # if defined (__STDC__) || defined (__hpux)
699 extern void *alloca ();
700 # else /* Don't use void *. */
701 extern char *alloca ();
702 # endif /* Don't use void *. */
703 # endif /* Not GNU C */
704 #endif /* alloca not defined */
706 /* HOST_BYTE_ORDER must be defined to one of these. */
708 #if !defined (BIG_ENDIAN)
709 #define BIG_ENDIAN 4321
712 #if !defined (LITTLE_ENDIAN)
713 #define LITTLE_ENDIAN 1234
716 /* Target-system-dependent parameters for GDB. */
718 #ifdef TARGET_BYTE_ORDER_SELECTABLE
719 /* The target endianness is selectable at runtime. Define
720 TARGET_BYTE_ORDER to be a variable. The user can use the `set
721 endian' command to change it. */
722 #undef TARGET_BYTE_ORDER
723 #define TARGET_BYTE_ORDER target_byte_order
724 extern int target_byte_order
;
727 extern void set_endian_from_file
PARAMS ((bfd
*));
729 /* Number of bits in a char or unsigned char for the target machine.
730 Just like CHAR_BIT in <limits.h> but describes the target machine. */
731 #if !defined (TARGET_CHAR_BIT)
732 #define TARGET_CHAR_BIT 8
735 /* Number of bits in a short or unsigned short for the target machine. */
736 #if !defined (TARGET_SHORT_BIT)
737 #define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT)
740 /* Number of bits in an int or unsigned int for the target machine. */
741 #if !defined (TARGET_INT_BIT)
742 #define TARGET_INT_BIT (4 * TARGET_CHAR_BIT)
745 /* Number of bits in a long or unsigned long for the target machine. */
746 #if !defined (TARGET_LONG_BIT)
747 #define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT)
750 /* Number of bits in a long long or unsigned long long for the target machine. */
751 #if !defined (TARGET_LONG_LONG_BIT)
752 #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT)
755 /* Number of bits in a float for the target machine. */
756 #if !defined (TARGET_FLOAT_BIT)
757 #define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT)
760 /* Number of bits in a double for the target machine. */
761 #if !defined (TARGET_DOUBLE_BIT)
762 #define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT)
765 /* Number of bits in a long double for the target machine. */
766 #if !defined (TARGET_LONG_DOUBLE_BIT)
767 #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT)
770 /* Number of bits in a pointer for the target machine */
771 #if !defined (TARGET_PTR_BIT)
772 #define TARGET_PTR_BIT TARGET_INT_BIT
775 /* If we picked up a copy of CHAR_BIT from a configuration file
776 (which may get it by including <limits.h>) then use it to set
777 the number of bits in a host char. If not, use the same size
780 #if defined (CHAR_BIT)
781 #define HOST_CHAR_BIT CHAR_BIT
783 #define HOST_CHAR_BIT TARGET_CHAR_BIT
786 /* The bit byte-order has to do just with numbering of bits in
787 debugging symbols and such. Conceptually, it's quite separate
788 from byte/word byte order. */
790 #if !defined (BITS_BIG_ENDIAN)
791 #ifndef TARGET_BYTE_ORDER_SELECTABLE
793 #if TARGET_BYTE_ORDER == BIG_ENDIAN
794 #define BITS_BIG_ENDIAN 1
795 #endif /* Big endian. */
797 #if TARGET_BYTE_ORDER == LITTLE_ENDIAN
798 #define BITS_BIG_ENDIAN 0
799 #endif /* Little endian. */
801 #else /* defined (TARGET_BYTE_ORDER_SELECTABLE) */
803 #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN)
805 #endif /* defined (TARGET_BYTE_ORDER_SELECTABLE) */
806 #endif /* BITS_BIG_ENDIAN not defined. */
810 extern LONGEST extract_signed_integer
PARAMS ((void *, int));
812 extern unsigned LONGEST extract_unsigned_integer
PARAMS ((void *, int));
814 extern CORE_ADDR extract_address
PARAMS ((void *, int));
816 extern void store_signed_integer
PARAMS ((void *, int, LONGEST
));
818 extern void store_unsigned_integer
PARAMS ((void *, int, unsigned LONGEST
));
820 extern void store_address
PARAMS ((void *, int, CORE_ADDR
));
822 extern double extract_floating
PARAMS ((void *, int));
824 extern void store_floating
PARAMS ((void *, int, double));
826 /* On some machines there are bits in addresses which are not really
827 part of the address, but are used by the kernel, the hardware, etc.
828 for special purposes. ADDR_BITS_REMOVE takes out any such bits
829 so we get a "real" address such as one would find in a symbol
830 table. This is used only for addresses of instructions, and even then
831 I'm not sure it's used in all contexts. It exists to deal with there
832 being a few stray bits in the PC which would mislead us, not as some sort
833 of generic thing to handle alignment or segmentation (it's possible it
834 should be in TARGET_READ_PC instead). */
835 #if !defined (ADDR_BITS_REMOVE)
836 #define ADDR_BITS_REMOVE(addr) (addr)
837 #endif /* No ADDR_BITS_REMOVE. */
841 extern CORE_ADDR push_bytes
PARAMS ((CORE_ADDR
, char *, int));
843 extern CORE_ADDR push_word
PARAMS ((CORE_ADDR
, unsigned LONGEST
));
845 /* Some parts of gdb might be considered optional, in the sense that they
846 are not essential for being able to build a working, usable debugger
847 for a specific environment. For example, the maintenance commands
848 are there for the benefit of gdb maintainers. As another example,
849 some environments really don't need gdb's that are able to read N
850 different object file formats. In order to make it possible (but
851 not necessarily recommended) to build "stripped down" versions of
852 gdb, the following defines control selective compilation of those
853 parts of gdb which can be safely left out when necessary. Note that
854 the default is to include everything. */
856 #ifndef MAINTENANCE_CMDS
857 #define MAINTENANCE_CMDS 1
860 #ifdef MAINTENANCE_CMDS
864 #include "dis-asm.h" /* Get defs for disassemble_info */
866 extern int dis_asm_read_memory
PARAMS ((bfd_vma memaddr
, bfd_byte
*myaddr
,
867 int len
, disassemble_info
*info
));
869 extern void dis_asm_memory_error
PARAMS ((int status
, bfd_vma memaddr
,
870 disassemble_info
*info
));
872 extern void dis_asm_print_address
PARAMS ((bfd_vma addr
,
873 disassemble_info
*info
));
875 extern int (*tm_print_insn
) PARAMS ((bfd_vma
, disassemble_info
*));
877 /* Hooks for alternate command interfaces. */
880 struct target_waitstatus
;
881 struct cmd_list_element
;
884 extern void (*init_ui_hook
) PARAMS ((void));
885 extern void (*command_loop_hook
) PARAMS ((void));
886 extern void (*fputs_unfiltered_hook
) PARAMS ((const char *linebuffer
,
888 extern void (*print_frame_info_listing_hook
) PARAMS ((struct symtab
*s
,
889 int line
, int stopline
,
891 extern int (*query_hook
) PARAMS (());
892 extern void (*flush_hook
) PARAMS ((FILE *stream
));
893 extern void (*create_breakpoint_hook
) PARAMS ((struct breakpoint
*b
));
894 extern void (*delete_breakpoint_hook
) PARAMS ((struct breakpoint
*bpt
));
895 extern void (*modify_breakpoint_hook
) PARAMS ((struct breakpoint
*bpt
));
896 extern void (*target_output_hook
) PARAMS ((char *));
897 extern void (*interactive_hook
) PARAMS ((void));
898 extern void (*registers_changed_hook
) PARAMS ((void));
900 extern int (*target_wait_hook
) PARAMS ((int pid
,
901 struct target_waitstatus
*status
));
903 extern void (*call_command_hook
) PARAMS ((struct cmd_list_element
*c
,
904 char *cmd
, int from_tty
));
906 extern NORETURN
void (*error_hook
) PARAMS (()) ATTR_NORETURN
;
910 /* Inhibit window interface if non-zero. */
912 extern int use_windows
;
914 /* Symbolic definitions of filename-related things. */
915 /* FIXME, this doesn't work very well if host and executable
916 filesystems conventions are different. */
918 #ifndef DIRNAME_SEPARATOR
919 #define DIRNAME_SEPARATOR ':'
923 #if defined(__GO32__)||defined(__WIN32__)
924 #define SLASH_P(X) ((X)=='\\')
926 #define SLASH_P(X) ((X)=='/')
931 #if defined(__GO32__)||defined(__WIN32__)
932 #define SLASH_CHAR '\\'
934 #define SLASH_CHAR '/'
939 #if defined(__GO32__)||defined(__WIN32__)
940 #define SLASH_STRING "\\"
942 #define SLASH_STRING "/"
947 #define ROOTED_P(X) (SLASH_P((X)[0]))
950 #endif /* #ifndef DEFS_H */