1 /* Basic, host-specific, and target-specific definitions for GDB.
2 Copyright (C) 1986, 89, 91, 92, 93, 94, 95, 96, 1998
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. */
24 #include "config.h" /* Generated by configure */
26 #include <errno.h> /* System call error return status */
32 # include <sys/types.h> /* for size_t */
35 /* Just in case they're not defined in stdio.h. */
44 /* First include ansidecl.h so we can use the various macro definitions
45 here and in all subsequent file inclusions. */
49 #ifdef ANSI_PROTOTYPES
55 #include "libiberty.h"
57 /* libiberty.h can't declare this one, but evidently we can. */
58 extern char *strsignal
PARAMS ((int));
66 /* For BFD64 and bfd_vma. */
69 /* An address in the program being debugged. Host byte order. Rather
70 than duplicate all the logic in BFD which figures out what type
71 this is (long, long long, etc.) and whether it needs to be 64
72 bits (the host/target interactions are subtle), we just use
75 typedef bfd_vma CORE_ADDR
;
77 extern int core_addr_lessthan
PARAMS ((CORE_ADDR lhs
, CORE_ADDR rhs
));
78 extern int core_addr_greaterthan
PARAMS ((CORE_ADDR lhs
, CORE_ADDR rhs
));
82 #define min(a, b) ((a) < (b) ? (a) : (b))
85 #define max(a, b) ((a) > (b) ? (a) : (b))
88 /* Gdb does *lots* of string compares. Use macros to speed them up by
89 avoiding function calls if the first characters are not the same. */
91 #define STRCMP(a,b) (*(a) == *(b) ? strcmp ((a), (b)) : (int)*(a) - (int)*(b))
92 #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0)
93 #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0)
95 /* The character GNU C++ uses to build identifiers that must be unique from
96 the program's identifiers (such as $this and $$vptr). */
97 #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */
99 /* Check if a character is one of the commonly used C++ marker characters. */
100 extern int is_cplus_marker
PARAMS ((int));
102 /* use tui interface if non-zero */
103 extern int tui_version
;
106 /* all invocations of TUIDO should have two sets of parens */
107 #define TUIDO(x) tuiDo x
112 /* enable xdb commands if set */
113 extern int xdb_commands
;
115 /* enable dbx commands if set */
116 extern int dbx_commands
;
118 extern int quit_flag
;
119 extern int immediate_quit
;
120 extern int sevenbit_strings
;
122 extern void quit
PARAMS ((void));
125 /* do twice to force compiler warning */
126 #define QUIT_FIXME "FIXME"
127 #define QUIT_FIXME "ignoring redefinition of QUIT"
130 if (quit_flag) quit (); \
131 if (interactive_hook) interactive_hook (); \
136 /* Command classes are top-level categories into which commands are broken
137 down for "help" purposes.
138 Notes on classes: class_alias is for alias commands which are not
139 abbreviations of the original command. class-pseudo is for commands
140 which are not really commands nor help topics ("stop"). */
144 /* Special args to help_list */
145 all_classes
= -2, all_commands
= -1,
146 /* Classes of commands */
147 no_class
= -1, class_run
= 0, class_vars
, class_stack
,
148 class_files
, class_support
, class_info
, class_breakpoint
, class_trace
,
149 class_alias
, class_obscure
, class_user
, class_maintenance
,
150 class_pseudo
, class_tui
, class_xdb
153 /* Languages represented in the symbol table and elsewhere.
154 This should probably be in language.h, but since enum's can't
155 be forward declared to satisfy opaque references before their
156 actual definition, needs to be here. */
160 language_unknown
, /* Language not known */
161 language_auto
, /* Placeholder for automatic setting */
163 language_cplus
, /* C++ */
164 language_java
, /* Java */
165 language_chill
, /* Chill */
166 language_fortran
, /* Fortran */
167 language_m2
, /* Modula-2 */
168 language_asm
, /* Assembly language */
169 language_scm
/* Scheme / Guile */
176 unspecified_precision
179 /* the cleanup list records things that have to be undone
180 if an error happens (descriptors to be closed, memory to be freed, etc.)
181 Each link in the chain records a function to call and an
184 Use make_cleanup to add an element to the cleanup chain.
185 Use do_cleanups to do all cleanup actions back to a given
186 point in the chain. Use discard_cleanups to remove cleanups
187 from the chain back to a given point, not doing them. */
191 struct cleanup
*next
;
192 void (*function
) PARAMS ((PTR
));
197 /* The ability to declare that a function never returns is useful, but
198 not really required to compile GDB successfully, so the NORETURN and
199 ATTR_NORETURN macros normally expand into nothing. */
201 /* If compiling with older versions of GCC, a function may be declared
202 "volatile" to indicate that it does not return. */
205 # if defined(__GNUC__) \
206 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
207 # define NORETURN volatile
209 # define NORETURN /* nothing */
213 /* GCC 2.5 and later versions define a function attribute "noreturn",
214 which is the preferred way to declare that a function never returns.
215 However GCC 2.7 appears to be the first version in which this fully
216 works everywhere we use it. */
218 #ifndef ATTR_NORETURN
219 # if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 7
220 # define ATTR_NORETURN __attribute__ ((noreturn))
222 # define ATTR_NORETURN /* nothing */
227 # if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 4 && defined (__ANSI_PROTOTYPES)
228 # define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
230 # define ATTR_FORMAT(type, x, y) /* nothing */
234 /* Needed for various prototypes */
241 /* From blockframe.c */
243 extern int inside_entry_func
PARAMS ((CORE_ADDR
));
245 extern int inside_entry_file
PARAMS ((CORE_ADDR addr
));
247 extern int inside_main_func
PARAMS ((CORE_ADDR pc
));
249 /* From ch-lang.c, for the moment. (FIXME) */
251 extern char *chill_demangle
PARAMS ((const char *));
255 extern void initialize_utils
PARAMS ((void));
257 extern void notice_quit
PARAMS ((void));
259 extern int strcmp_iw
PARAMS ((const char *, const char *));
261 extern int subset_compare
PARAMS ((char *, char *));
263 extern char *safe_strerror
PARAMS ((int));
265 extern char *safe_strsignal
PARAMS ((int));
267 extern void init_malloc
PARAMS ((void *));
269 extern void request_quit
PARAMS ((int));
271 extern void do_cleanups
PARAMS ((struct cleanup
*));
272 extern void do_final_cleanups
PARAMS ((struct cleanup
*));
273 extern void do_my_cleanups
PARAMS ((struct cleanup
**, struct cleanup
*));
274 extern void do_run_cleanups
PARAMS ((struct cleanup
*));
275 extern void do_exec_cleanups
PARAMS ((struct cleanup
*));
277 extern void discard_cleanups
PARAMS ((struct cleanup
*));
278 extern void discard_final_cleanups
PARAMS ((struct cleanup
*));
279 extern void discard_my_cleanups
PARAMS ((struct cleanup
**, struct cleanup
*));
281 typedef void (*make_cleanup_func
) PARAMS ((void *));
283 extern struct cleanup
*make_cleanup
PARAMS ((make_cleanup_func
, void *));
285 extern struct cleanup
*make_cleanup_freeargv
PARAMS ((char **));
287 extern struct cleanup
*make_final_cleanup
PARAMS ((make_cleanup_func
, void *));
289 extern struct cleanup
*make_my_cleanup
PARAMS ((struct cleanup
**,
290 make_cleanup_func
, void *));
292 extern struct cleanup
*make_run_cleanup
PARAMS ((make_cleanup_func
, void *));
294 extern struct cleanup
*make_exec_cleanup
PARAMS ((make_cleanup_func
, void *));
296 extern struct cleanup
*save_cleanups
PARAMS ((void));
297 extern struct cleanup
*save_final_cleanups
PARAMS ((void));
298 extern struct cleanup
*save_my_cleanups
PARAMS ((struct cleanup
**));
300 extern void restore_cleanups
PARAMS ((struct cleanup
*));
301 extern void restore_final_cleanups
PARAMS ((struct cleanup
*));
302 extern void restore_my_cleanups
PARAMS ((struct cleanup
**, struct cleanup
*));
304 extern void free_current_contents
PARAMS ((char **));
306 extern void null_cleanup
PARAMS ((PTR
));
308 extern int myread
PARAMS ((int, char *, int));
310 extern int query
PARAMS((char *, ...))
311 ATTR_FORMAT(printf
, 1, 2);
313 #if !defined (USE_MMALLOC)
314 extern PTR mmalloc
PARAMS ((PTR
, size_t));
315 extern PTR mrealloc
PARAMS ((PTR
, PTR
, size_t));
316 extern void mfree
PARAMS ((PTR
, PTR
));
319 extern void init_page_info
PARAMS ((void));
321 /* From demangle.c */
323 extern void set_demangling_style
PARAMS ((char *));
328 typedef int (use_struct_convention_fn
) PARAMS ((int gcc_p
, struct type
*value_type
));
329 extern use_struct_convention_fn generic_use_struct_convention
;
331 typedef unsigned char *(breakpoint_from_pc_fn
) PARAMS ((CORE_ADDR
*pcptr
, int *lenptr
));
335 /* Annotation stuff. */
337 extern int annotation_level
; /* in stack.c */
339 extern void begin_line
PARAMS ((void));
341 extern void wrap_here
PARAMS ((char *));
343 extern void reinitialize_more_filter
PARAMS ((void));
356 enum streamtype ts_streamtype
;
363 typedef struct gdb_file GDB_FILE
; /* deprecated */
366 extern GDB_FILE
*gdb_stdout
;
367 /* Serious error notifications */
368 extern GDB_FILE
*gdb_stderr
;
369 /* Log/debug/trace messages that should bypass normal stdout/stderr
370 filtering. For momement, always call this stream using
371 *_unfiltered. In the very near future that restriction shall be
372 removed - either call shall be unfiltered. (cagney 1999-06-13). */
373 extern GDB_FILE
*gdb_stdlog
;
374 /* Target output that should bypass normal stdout/stderr filtering.
375 For momement, always call this stream using *_unfiltered. In the
376 very near future that restriction shall be removed - either call
377 shall be unfiltered. (cagney 1999-07-02). */
378 extern GDB_FILE
*gdb_stdtarg
;
382 #include "tuiCommand.h"
385 #include "tuiLayout.h"
389 /* Create a new gdb_file with the specified methods. */
391 typedef void (gdb_file_flush_ftype
) PARAMS ((struct gdb_file
*stream
));
392 extern void set_gdb_file_flush
PARAMS ((struct gdb_file
*stream
, gdb_file_flush_ftype
*flush
));
394 typedef void (gdb_file_fputs_ftype
) PARAMS ((const char *, struct gdb_file
*stream
));
395 extern void set_gdb_file_fputs
PARAMS ((struct gdb_file
*stream
, gdb_file_fputs_ftype
*fputs
));
397 typedef int (gdb_file_isatty_ftype
) PARAMS ((struct gdb_file
*stream
));
398 extern void set_gdb_file_isatty
PARAMS ((struct gdb_file
*stream
, gdb_file_isatty_ftype
*isatty
));
400 typedef void (gdb_file_rewind_ftype
) PARAMS ((struct gdb_file
*stream
));
401 extern void set_gdb_file_rewind
PARAMS ((struct gdb_file
*stream
, gdb_file_rewind_ftype
*rewind
));
403 typedef void (gdb_file_put_ftype
) PARAMS ((struct gdb_file
*stream
, struct gdb_file
*dest
));
404 extern void set_gdb_file_put
PARAMS ((struct gdb_file
*stream
, gdb_file_put_ftype
*put
));
406 typedef void (gdb_file_delete_ftype
) PARAMS ((struct gdb_file
*stream
));
407 extern void set_gdb_file_data
PARAMS ((struct gdb_file
*stream
, void *data
, gdb_file_delete_ftype
*delete));
409 extern struct gdb_file
*gdb_file_new
PARAMS ((void));
411 extern void gdb_file_delete
PARAMS ((struct gdb_file
*stream
));
413 extern void gdb_file_rewind
PARAMS ((struct gdb_file
*stream
));
415 /* NOTE: copies left to right */
416 extern void gdb_file_put
PARAMS ((struct gdb_file
*src
, struct gdb_file
*dest
));
418 extern void *gdb_file_data
PARAMS ((struct gdb_file
*file
));
420 /* Open the specified FILE as a gdb_file. */
421 extern struct gdb_file
*stdio_fileopen
PARAMS ((FILE *));
422 /* #if defined (TUI) */
423 extern struct gdb_file
*tui_fileopen
PARAMS ((FILE *));
426 /* deprecated - use gdb_file_delete */
427 extern void gdb_fclose
PARAMS ((GDB_FILE
**));
429 extern void gdb_flush
PARAMS ((GDB_FILE
*));
431 extern GDB_FILE
*gdb_fopen
PARAMS ((char * name
, char * mode
));
433 extern void fputs_filtered
PARAMS ((const char *, GDB_FILE
*));
435 extern void fputs_unfiltered
PARAMS ((const char *, GDB_FILE
*));
437 extern int fputc_filtered
PARAMS ((int c
, GDB_FILE
*));
439 extern int fputc_unfiltered
PARAMS ((int c
, GDB_FILE
*));
441 extern int putchar_unfiltered
PARAMS ((int c
));
443 extern void puts_filtered
PARAMS ((const char *));
445 extern void puts_unfiltered
PARAMS ((const char *));
447 extern void puts_debug
PARAMS ((char *prefix
, char *string
, char *suffix
));
449 extern void vprintf_filtered
PARAMS ((const char *, va_list))
450 ATTR_FORMAT(printf
, 1, 0);
452 extern void vfprintf_filtered
PARAMS ((GDB_FILE
*, const char *, va_list))
453 ATTR_FORMAT(printf
, 2, 0);
455 extern void fprintf_filtered
PARAMS ((GDB_FILE
*, const char *, ...))
456 ATTR_FORMAT(printf
, 2, 3);
458 extern void fprintfi_filtered
PARAMS ((int, GDB_FILE
*, const char *, ...))
459 ATTR_FORMAT(printf
, 3, 4);
461 extern void printf_filtered
PARAMS ((const char *, ...))
462 ATTR_FORMAT(printf
, 1, 2);
464 extern void printfi_filtered
PARAMS ((int, const char *, ...))
465 ATTR_FORMAT(printf
, 2, 3);
467 extern void vprintf_unfiltered
PARAMS ((const char *, va_list))
468 ATTR_FORMAT(printf
, 1, 0);
470 extern void vfprintf_unfiltered
PARAMS ((GDB_FILE
*, const char *, va_list))
471 ATTR_FORMAT(printf
, 2, 0);
473 extern void fprintf_unfiltered
PARAMS ((GDB_FILE
*, const char *, ...))
474 ATTR_FORMAT(printf
, 2, 3);
476 extern void printf_unfiltered
PARAMS ((const char *, ...))
477 ATTR_FORMAT(printf
, 1, 2);
479 extern int gdb_file_isatty
PARAMS ((GDB_FILE
*));
481 /* #if defined (TUI) */
482 extern GDB_FILE
*gdb_file_init_astring
PARAMS ((int));
485 extern void gdb_file_deallocate
PARAMS ((GDB_FILE
**));
487 /* #if defined (TUI) */
488 extern char *gdb_file_get_strbuf
PARAMS ((GDB_FILE
*));
491 /* #if defined (TUI) */
492 extern void gdb_file_adjust_strbuf
PARAMS ((int, GDB_FILE
*));
495 extern void print_spaces
PARAMS ((int, GDB_FILE
*));
497 extern void print_spaces_filtered
PARAMS ((int, GDB_FILE
*));
499 extern char *n_spaces
PARAMS ((int));
501 extern void gdb_printchar
PARAMS ((int, GDB_FILE
*, int));
503 extern void gdb_print_address
PARAMS ((void *, GDB_FILE
*));
505 typedef bfd_vma t_addr
;
506 typedef bfd_vma t_reg
;
507 extern char* paddr
PARAMS ((t_addr addr
));
509 extern char* preg
PARAMS ((t_reg reg
));
511 extern char* paddr_nz
PARAMS ((t_addr addr
));
513 extern char* preg_nz
PARAMS ((t_reg reg
));
515 extern void fprintf_symbol_filtered
PARAMS ((GDB_FILE
*, char *,
516 enum language
, int));
518 extern NORETURN
void perror_with_name
PARAMS ((char *)) ATTR_NORETURN
;
520 extern void print_sys_errmsg
PARAMS ((char *, int));
522 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
523 "const char *" in unistd.h, so we can't declare the argument
526 extern char *re_comp
PARAMS ((const char *));
530 extern void symbol_file_command
PARAMS ((char *, int));
534 extern char *skip_quoted
PARAMS ((char *));
536 extern char *gdb_readline
PARAMS ((char *));
538 extern char *command_line_input
PARAMS ((char *, int, char *));
540 extern void print_prompt
PARAMS ((void));
542 extern int input_from_terminal_p
PARAMS ((void));
544 extern int info_verbose
;
546 /* From printcmd.c */
548 extern void set_next_address
PARAMS ((CORE_ADDR
));
550 extern void print_address_symbolic
PARAMS ((CORE_ADDR
, GDB_FILE
*, int,
553 extern void print_address_numeric
PARAMS ((CORE_ADDR
, int, GDB_FILE
*));
555 extern void print_address
PARAMS ((CORE_ADDR
, GDB_FILE
*));
559 extern int openp
PARAMS ((char *, int, char *, int, int, char **));
561 extern int source_full_path_of
PARAMS ((char *, char **));
563 extern void mod_path
PARAMS ((char *, char **));
565 extern void directory_command
PARAMS ((char *, int));
567 extern void init_source_path
PARAMS ((void));
569 extern char *symtab_to_filename
PARAMS ((struct symtab
*));
573 extern int read_relative_register_raw_bytes
PARAMS ((int, char *));
579 void default_get_saved_register
PARAMS ((char *raw_buffer
, int *optimized
,
581 struct frame_info
*frame
, int regnum
,
582 enum lval_type
*lval
));
584 /* From readline (but not in any readline .h files). */
586 extern char *tilde_expand
PARAMS ((char *));
588 /* Control types for commands */
590 enum misc_command_type
598 enum command_control_type
608 /* Structure for saved commands lines
609 (for breakpoints, defined commands, etc). */
613 struct command_line
*next
;
615 enum command_control_type control_type
;
617 struct command_line
**body_list
;
620 extern struct command_line
*read_command_lines
PARAMS ((char *, int));
622 extern void free_command_lines
PARAMS ((struct command_line
**));
624 /* To continue the execution commands when running gdb asynchronously.
625 A continuation structure contains a pointer to a function to be called
626 to finish the command, once the target has stopped. Such mechanism is
627 used bt the finish and until commands, and in the remote protocol
628 when opening an extended-remote connection. */
630 struct continuation_arg
632 struct continuation_arg
*next
;
638 void (*continuation_hook
) PARAMS ((struct continuation_arg
*));
639 struct continuation_arg
*arg_list
;
640 struct continuation
*next
;
645 extern struct continuation
*cmd_continuation
;
648 void add_continuation
PARAMS ((void (*) PARAMS ((struct continuation_arg
*)),
649 struct continuation_arg
*));
650 void do_all_continuations
PARAMS ((void));
652 /* String containing the current directory (what getwd would return). */
654 extern char *current_directory
;
656 /* Default radixes for input and output. Only some values supported. */
657 extern unsigned input_radix
;
658 extern unsigned output_radix
;
660 /* Possibilities for prettyprint parameters to routines which print
661 things. Like enum language, this should be in value.h, but needs
662 to be here for the same reason. FIXME: If we can eliminate this
663 as an arg to LA_VAL_PRINT, then we can probably move it back to
668 Val_no_prettyprint
= 0,
670 /* Use the default setting which the user has specified. */
675 /* Host machine definition. This will be a symlink to one of the
676 xm-*.h files, built by the `configure' script. */
680 /* Native machine support. This will be a symlink to one of the
681 nm-*.h files, built by the `configure' script. */
685 /* Target machine definition. This will be a symlink to one of the
686 tm-*.h files, built by the `configure' script. */
690 /* If the xm.h file did not define the mode string used to open the
691 files, assume that binary files are opened the same way as text
694 #include "fopen-same.h"
697 /* Microsoft C can't deal with const pointers */
702 #define CONST_PTR const
706 * Allow things in gdb to be declared "volatile". If compiling ANSI, it
707 * just works. If compiling with gcc but non-ansi, redefine to __volatile__.
708 * If non-ansi, non-gcc, then eliminate "volatile" entirely, making those
709 * objects be read-write rather than read-only.
715 # define volatile __volatile__
717 # define volatile /*nothing*/
720 #endif /* volatile */
722 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
723 FIXME: Assumes 2's complement arithmetic */
725 #if !defined (UINT_MAX)
726 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
729 #if !defined (INT_MAX)
730 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
733 #if !defined (INT_MIN)
734 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
737 #if !defined (ULONG_MAX)
738 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
741 #if !defined (LONG_MAX)
742 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
749 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
751 #define LONGEST BFD_HOST_64_BIT
752 #define ULONGEST BFD_HOST_U_64_BIT
756 # ifdef CC_HAS_LONG_LONG
757 # define LONGEST long long
758 # define ULONGEST unsigned long long
760 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
761 (e.g. i386-windows) so try it. */
762 # ifdef BFD_HOST_64_BIT
763 # define LONGEST BFD_HOST_64_BIT
764 # define ULONGEST BFD_HOST_U_64_BIT
766 # define LONGEST long
767 # define ULONGEST unsigned long
771 #endif /* No BFD64 */
773 #endif /* ! LONGEST */
775 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
776 arguments to a function, number in a value history, register number, etc.)
777 where the value must not be larger than can fit in an int. */
779 extern int longest_to_int
PARAMS ((LONGEST
));
781 /* Assorted functions we can declare, now that const and volatile are
784 extern char *savestring
PARAMS ((const char *, int));
786 extern char *msavestring
PARAMS ((void *, const char *, int));
788 extern char *strsave
PARAMS ((const char *));
790 extern char *mstrsave
PARAMS ((void *, const char *));
792 #ifdef _MSC_VER /* FIXME; was long, but this causes compile errors in msvc if already defined */
793 extern PTR xmmalloc
PARAMS ((PTR
, size_t));
795 extern PTR xmrealloc
PARAMS ((PTR
, PTR
, size_t));
797 extern PTR xmmalloc
PARAMS ((PTR
, long));
799 extern PTR xmrealloc
PARAMS ((PTR
, PTR
, long));
802 extern int parse_escape
PARAMS ((char **));
804 /* Message to be printed before the error message, when an error occurs. */
806 extern char *error_pre_print
;
808 /* Message to be printed before the error message, when an error occurs. */
810 extern char *quit_pre_print
;
812 /* Message to be printed before the warning message, when a warning occurs. */
814 extern char *warning_pre_print
;
816 extern NORETURN
void error
PARAMS((const char *, ...)) ATTR_NORETURN
;
818 extern void error_begin
PARAMS ((void));
820 extern NORETURN
void fatal
PARAMS((char *, ...)) ATTR_NORETURN
;
822 extern NORETURN
void nomem
PARAMS ((long)) ATTR_NORETURN
;
824 /* Reasons for calling return_to_top_level. */
826 /* User interrupt. */
829 /* Any other error. */
833 #define ALL_CLEANUPS ((struct cleanup *)0)
835 #define RETURN_MASK_QUIT (1 << (int)RETURN_QUIT)
836 #define RETURN_MASK_ERROR (1 << (int)RETURN_ERROR)
837 #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
838 typedef int return_mask
;
841 return_to_top_level
PARAMS ((enum return_reason
)) ATTR_NORETURN
;
843 typedef int (catch_errors_ftype
) PARAMS ((PTR
));
844 extern int catch_errors
PARAMS ((catch_errors_ftype
*, PTR
, char *, return_mask
));
846 extern void warning_begin
PARAMS ((void));
848 extern void warning
PARAMS ((const char *, ...))
849 ATTR_FORMAT(printf
, 1, 2);
851 /* Global functions from other, non-gdb GNU thingies.
852 Libiberty thingies are no longer declared here. We include libiberty.h
855 #ifndef GETENV_PROVIDED
856 extern char *getenv
PARAMS ((const char *));
859 /* From other system libraries */
866 #if defined(_MSC_VER) && !defined(__cplusplus)
867 /* msvc defines these in stdlib.h for c code */
874 #define min(a, b) ((a) < (b) ? (a) : (b))
877 #define max(a, b) ((a) > (b) ? (a) : (b))
881 /* We take the address of fclose later, but some stdio's forget
882 to declare this. We can't always declare it since there's
883 no way to declare the parameters without upsetting some compiler
886 #ifndef FCLOSE_PROVIDED
887 extern int fclose
PARAMS ((FILE *));
891 extern double atof
PARAMS ((const char *)); /* X3.159-1989 4.10.1.1 */
894 #ifndef MALLOC_INCOMPATIBLE
896 #ifdef NEED_DECLARATION_MALLOC
897 extern PTR
malloc ();
900 #ifdef NEED_DECLARATION_REALLOC
901 extern PTR
realloc ();
904 #ifdef NEED_DECLARATION_FREE
908 #endif /* MALLOC_INCOMPATIBLE */
910 /* Various possibilities for alloca. */
913 # define alloca __builtin_alloca
914 # else /* Not GNU C */
915 # ifdef HAVE_ALLOCA_H
922 /* We need to be careful not to declare this in a way which conflicts with
923 bison. Bison never declares it as char *, but under various circumstances
924 (like __hpux) we need to use void *. */
925 # if defined (__STDC__) || defined (__hpux)
926 extern void *alloca ();
927 # else /* Don't use void *. */
928 extern char *alloca ();
929 # endif /* Don't use void *. */
930 # endif /* Not _AIX */
931 # endif /* Not HAVE_ALLOCA_H */
932 # endif /* Not GNU C */
933 #endif /* alloca not defined */
935 /* HOST_BYTE_ORDER must be defined to one of these. */
941 #if !defined (BIG_ENDIAN)
942 #define BIG_ENDIAN 4321
945 #if !defined (LITTLE_ENDIAN)
946 #define LITTLE_ENDIAN 1234
949 /* Dynamic target-system-dependent parameters for GDB. */
952 /* Static target-system-dependent parameters for GDB. */
954 /* Number of bits in a char or unsigned char for the target machine.
955 Just like CHAR_BIT in <limits.h> but describes the target machine. */
956 #if !defined (TARGET_CHAR_BIT)
957 #define TARGET_CHAR_BIT 8
960 /* Number of bits in a short or unsigned short for the target machine. */
961 #if !defined (TARGET_SHORT_BIT)
962 #define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT)
965 /* Number of bits in an int or unsigned int for the target machine. */
966 #if !defined (TARGET_INT_BIT)
967 #define TARGET_INT_BIT (4 * TARGET_CHAR_BIT)
970 /* Number of bits in a long or unsigned long for the target machine. */
971 #if !defined (TARGET_LONG_BIT)
972 #define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT)
975 /* Number of bits in a long long or unsigned long long for the target machine. */
976 #if !defined (TARGET_LONG_LONG_BIT)
977 #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT)
980 /* Number of bits in a float for the target machine. */
981 #if !defined (TARGET_FLOAT_BIT)
982 #define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT)
985 /* Number of bits in a double for the target machine. */
986 #if !defined (TARGET_DOUBLE_BIT)
987 #define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT)
990 /* Number of bits in a long double for the target machine. */
991 #if !defined (TARGET_LONG_DOUBLE_BIT)
992 #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT)
995 /* Number of bits in a pointer for the target machine */
996 #if !defined (TARGET_PTR_BIT)
997 #define TARGET_PTR_BIT TARGET_INT_BIT
1000 /* If we picked up a copy of CHAR_BIT from a configuration file
1001 (which may get it by including <limits.h>) then use it to set
1002 the number of bits in a host char. If not, use the same size
1005 #if defined (CHAR_BIT)
1006 #define HOST_CHAR_BIT CHAR_BIT
1008 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1011 /* The bit byte-order has to do just with numbering of bits in
1012 debugging symbols and such. Conceptually, it's quite separate
1013 from byte/word byte order. */
1015 #if !defined (BITS_BIG_ENDIAN)
1016 #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN)
1021 extern LONGEST extract_signed_integer
PARAMS ((void *, int));
1023 extern ULONGEST extract_unsigned_integer
PARAMS ((void *, int));
1025 extern int extract_long_unsigned_integer
PARAMS ((void *, int, LONGEST
*));
1027 extern CORE_ADDR extract_address
PARAMS ((void *, int));
1029 extern void store_signed_integer
PARAMS ((PTR
, int, LONGEST
));
1031 extern void store_unsigned_integer
PARAMS ((PTR
, int, ULONGEST
));
1033 extern void store_address
PARAMS ((PTR
, int, LONGEST
));
1035 /* Setup definitions for host and target floating point formats. We need to
1036 consider the format for `float', `double', and `long double' for both target
1037 and host. We need to do this so that we know what kind of conversions need
1038 to be done when converting target numbers to and from the hosts DOUBLEST
1041 /* This is used to indicate that we don't know the format of the floating point
1042 number. Typically, this is useful for native ports, where the actual format
1043 is irrelevant, since no conversions will be taking place. */
1045 extern const struct floatformat floatformat_unknown
;
1047 #if HOST_BYTE_ORDER == BIG_ENDIAN
1048 # ifndef HOST_FLOAT_FORMAT
1049 # define HOST_FLOAT_FORMAT &floatformat_ieee_single_big
1051 # ifndef HOST_DOUBLE_FORMAT
1052 # define HOST_DOUBLE_FORMAT &floatformat_ieee_double_big
1054 #else /* LITTLE_ENDIAN */
1055 # ifndef HOST_FLOAT_FORMAT
1056 # define HOST_FLOAT_FORMAT &floatformat_ieee_single_little
1058 # ifndef HOST_DOUBLE_FORMAT
1059 # define HOST_DOUBLE_FORMAT &floatformat_ieee_double_little
1063 #ifndef HOST_LONG_DOUBLE_FORMAT
1064 #define HOST_LONG_DOUBLE_FORMAT &floatformat_unknown
1067 #ifndef TARGET_FLOAT_FORMAT
1068 #define TARGET_FLOAT_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \
1069 ? &floatformat_ieee_single_big \
1070 : &floatformat_ieee_single_little)
1072 #ifndef TARGET_DOUBLE_FORMAT
1073 #define TARGET_DOUBLE_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \
1074 ? &floatformat_ieee_double_big \
1075 : &floatformat_ieee_double_little)
1078 #ifndef TARGET_LONG_DOUBLE_FORMAT
1079 # define TARGET_LONG_DOUBLE_FORMAT &floatformat_unknown
1082 /* Use `long double' if the host compiler supports it. (Note that this is not
1083 necessarily any longer than `double'. On SunOS/gcc, it's the same as
1084 double.) This is necessary because GDB internally converts all floating
1085 point values to the widest type supported by the host.
1087 There are problems however, when the target `long double' is longer than the
1088 host's `long double'. In general, we'll probably reduce the precision of
1089 any such values and print a warning. */
1091 #ifdef HAVE_LONG_DOUBLE
1092 typedef long double DOUBLEST
;
1094 typedef double DOUBLEST
;
1097 extern void floatformat_to_doublest
PARAMS ((const struct floatformat
*,
1098 char *, DOUBLEST
*));
1099 extern void floatformat_from_doublest
PARAMS ((const struct floatformat
*,
1100 DOUBLEST
*, char *));
1101 extern DOUBLEST extract_floating
PARAMS ((void *, int));
1103 extern void store_floating
PARAMS ((void *, int, DOUBLEST
));
1105 /* On some machines there are bits in addresses which are not really
1106 part of the address, but are used by the kernel, the hardware, etc.
1107 for special purposes. ADDR_BITS_REMOVE takes out any such bits
1108 so we get a "real" address such as one would find in a symbol
1109 table. This is used only for addresses of instructions, and even then
1110 I'm not sure it's used in all contexts. It exists to deal with there
1111 being a few stray bits in the PC which would mislead us, not as some sort
1112 of generic thing to handle alignment or segmentation (it's possible it
1113 should be in TARGET_READ_PC instead). */
1114 #if !defined (ADDR_BITS_REMOVE)
1115 #define ADDR_BITS_REMOVE(addr) (addr)
1116 #endif /* No ADDR_BITS_REMOVE. */
1120 extern CORE_ADDR push_bytes
PARAMS ((CORE_ADDR
, char *, int));
1122 extern CORE_ADDR push_word
PARAMS ((CORE_ADDR
, ULONGEST
));
1124 extern int watchdog
;
1126 /* Hooks for alternate command interfaces. */
1128 struct target_waitstatus
;
1129 struct cmd_list_element
;
1132 /* Should the asynchronous variant of the interpreter (using the
1133 event-loop) be enabled? */
1136 extern void (*init_ui_hook
) PARAMS ((char *argv0
));
1137 extern void (*command_loop_hook
) PARAMS ((void));
1138 extern void (*fputs_unfiltered_hook
) PARAMS ((const char *linebuffer
,
1140 extern void (*print_frame_info_listing_hook
) PARAMS ((struct symtab
*s
,
1141 int line
, int stopline
,
1143 extern struct frame_info
*parse_frame_specification
PARAMS ((char *frame_exp
));
1144 extern int (*query_hook
) PARAMS ((const char *, va_list));
1145 extern void (*warning_hook
) PARAMS ((const char *, va_list));
1146 extern void (*flush_hook
) PARAMS ((GDB_FILE
*stream
));
1147 extern void (*create_breakpoint_hook
) PARAMS ((struct breakpoint
*b
));
1148 extern void (*delete_breakpoint_hook
) PARAMS ((struct breakpoint
*bpt
));
1149 extern void (*modify_breakpoint_hook
) PARAMS ((struct breakpoint
*bpt
));
1150 extern void (*interactive_hook
) PARAMS ((void));
1151 extern void (*registers_changed_hook
) PARAMS ((void));
1152 extern void (*readline_begin_hook
) PARAMS ((char *, ...));
1153 extern char * (*readline_hook
) PARAMS ((char *));
1154 extern void (*readline_end_hook
) PARAMS ((void));
1155 extern void (*register_changed_hook
) PARAMS ((int regno
));
1156 extern void (*memory_changed_hook
) PARAMS ((CORE_ADDR addr
, int len
));
1157 extern void (*context_hook
) PARAMS ((int));
1158 extern int (*target_wait_hook
) PARAMS ((int pid
,
1159 struct target_waitstatus
*status
));
1161 extern void (*call_command_hook
) PARAMS ((struct cmd_list_element
*c
,
1162 char *cmd
, int from_tty
));
1164 extern NORETURN
void (*error_hook
) PARAMS ((void)) ATTR_NORETURN
;
1166 extern void (*error_begin_hook
) PARAMS ((void));
1169 /* Inhibit window interface if non-zero. */
1171 extern int use_windows
;
1173 /* Symbolic definitions of filename-related things. */
1174 /* FIXME, this doesn't work very well if host and executable
1175 filesystems conventions are different. */
1177 #ifndef DIRNAME_SEPARATOR
1178 #define DIRNAME_SEPARATOR ':'
1182 #if defined(__GO32__)||defined(_WIN32)
1183 #define SLASH_P(X) ((X)=='\\')
1185 #define SLASH_P(X) ((X)=='/')
1190 #if defined(__GO32__)||defined(_WIN32)
1191 #define SLASH_CHAR '\\'
1193 #define SLASH_CHAR '/'
1197 #ifndef SLASH_STRING
1198 #if defined(__GO32__)||defined(_WIN32)
1199 #define SLASH_STRING "\\"
1201 #define SLASH_STRING "/"
1206 #define ROOTED_P(X) (SLASH_P((X)[0]))
1209 /* On some systems, PIDGET is defined to extract the inferior pid from
1210 an internal pid that has the thread id and pid in seperate bit
1211 fields. If not defined, then just use the entire internal pid as
1215 #define PIDGET(pid) (pid)
1218 /* If under Cygwin, provide backwards compatibility with older
1219 Cygwin compilers that don't define the current cpp define. */
1226 #endif /* #ifndef DEFS_H */