1 /* *INDENT-OFF* */ /* ATTR_FORMAT confuses indent, avoid running it for now */
2 /* Basic, host-specific, and target-specific definitions for GDB.
3 Copyright (C) 1986, 89, 91, 92, 93, 94, 95, 96, 98, 1999
4 Free Software Foundation, Inc.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, USA. */
26 #include "config.h" /* Generated by configure */
28 #include <errno.h> /* System call error return status */
34 # include <sys/types.h> /* for size_t */
37 /* Just in case they're not defined in stdio.h. */
46 /* First include ansidecl.h so we can use the various macro definitions
47 here and in all subsequent file inclusions. */
51 #include <stdarg.h> /* for va_list */
53 #include "libiberty.h"
55 /* libiberty.h can't declare this one, but evidently we can. */
56 extern char *strsignal
PARAMS ((int));
64 /* For BFD64 and bfd_vma. */
67 /* An address in the program being debugged. Host byte order. Rather
68 than duplicate all the logic in BFD which figures out what type
69 this is (long, long long, etc.) and whether it needs to be 64
70 bits (the host/target interactions are subtle), we just use
73 typedef bfd_vma CORE_ADDR
;
75 extern int core_addr_lessthan
PARAMS ((CORE_ADDR lhs
, CORE_ADDR rhs
));
76 extern int core_addr_greaterthan
PARAMS ((CORE_ADDR lhs
, CORE_ADDR rhs
));
80 #define min(a, b) ((a) < (b) ? (a) : (b))
83 #define max(a, b) ((a) > (b) ? (a) : (b))
86 /* Gdb does *lots* of string compares. Use macros to speed them up by
87 avoiding function calls if the first characters are not the same. */
89 #define STRCMP(a,b) (*(a) == *(b) ? strcmp ((a), (b)) : (int)*(a) - (int)*(b))
90 #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0)
91 #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0)
93 /* The character GNU C++ uses to build identifiers that must be unique from
94 the program's identifiers (such as $this and $$vptr). */
95 #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */
97 /* Check if a character is one of the commonly used C++ marker characters. */
98 extern int is_cplus_marker
PARAMS ((int));
100 /* use tui interface if non-zero */
101 extern int tui_version
;
104 /* all invocations of TUIDO should have two sets of parens */
105 #define TUIDO(x) tuiDo x
110 /* enable xdb commands if set */
111 extern int xdb_commands
;
113 /* enable dbx commands if set */
114 extern int dbx_commands
;
116 extern int quit_flag
;
117 extern int immediate_quit
;
118 extern int sevenbit_strings
;
120 extern void quit
PARAMS ((void));
123 /* do twice to force compiler warning */
124 #define QUIT_FIXME "FIXME"
125 #define QUIT_FIXME "ignoring redefinition of QUIT"
128 if (quit_flag) quit (); \
129 if (interactive_hook) interactive_hook (); \
134 /* Command classes are top-level categories into which commands are broken
135 down for "help" purposes.
136 Notes on classes: class_alias is for alias commands which are not
137 abbreviations of the original command. class-pseudo is for commands
138 which are not really commands nor help topics ("stop"). */
142 /* Special args to help_list */
143 all_classes
= -2, all_commands
= -1,
144 /* Classes of commands */
145 no_class
= -1, class_run
= 0, class_vars
, class_stack
,
146 class_files
, class_support
, class_info
, class_breakpoint
, class_trace
,
147 class_alias
, class_obscure
, class_user
, class_maintenance
,
148 class_pseudo
, class_tui
, class_xdb
151 /* Languages represented in the symbol table and elsewhere.
152 This should probably be in language.h, but since enum's can't
153 be forward declared to satisfy opaque references before their
154 actual definition, needs to be here. */
158 language_unknown
, /* Language not known */
159 language_auto
, /* Placeholder for automatic setting */
161 language_cplus
, /* C++ */
162 language_java
, /* Java */
163 language_chill
, /* Chill */
164 language_fortran
, /* Fortran */
165 language_m2
, /* Modula-2 */
166 language_asm
, /* Assembly language */
167 language_scm
/* Scheme / Guile */
174 unspecified_precision
177 /* the cleanup list records things that have to be undone
178 if an error happens (descriptors to be closed, memory to be freed, etc.)
179 Each link in the chain records a function to call and an
182 Use make_cleanup to add an element to the cleanup chain.
183 Use do_cleanups to do all cleanup actions back to a given
184 point in the chain. Use discard_cleanups to remove cleanups
185 from the chain back to a given point, not doing them. */
189 struct cleanup
*next
;
190 void (*function
) PARAMS ((PTR
));
195 /* The ability to declare that a function never returns is useful, but
196 not really required to compile GDB successfully, so the NORETURN and
197 ATTR_NORETURN macros normally expand into nothing. */
199 /* If compiling with older versions of GCC, a function may be declared
200 "volatile" to indicate that it does not return. */
203 # if defined(__GNUC__) \
204 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
205 # define NORETURN volatile
207 # define NORETURN /* nothing */
211 /* GCC 2.5 and later versions define a function attribute "noreturn",
212 which is the preferred way to declare that a function never returns.
213 However GCC 2.7 appears to be the first version in which this fully
214 works everywhere we use it. */
216 #ifndef ATTR_NORETURN
217 # if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 7
218 # define ATTR_NORETURN __attribute__ ((noreturn))
220 # define ATTR_NORETURN /* nothing */
225 # if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 4
226 # define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
228 # define ATTR_FORMAT(type, x, y) /* nothing */
232 /* Needed for various prototypes */
239 /* From blockframe.c */
241 extern int inside_entry_func
PARAMS ((CORE_ADDR
));
243 extern int inside_entry_file
PARAMS ((CORE_ADDR addr
));
245 extern int inside_main_func
PARAMS ((CORE_ADDR pc
));
247 /* From ch-lang.c, for the moment. (FIXME) */
249 extern char *chill_demangle
PARAMS ((const char *));
253 extern void initialize_utils
PARAMS ((void));
255 extern void notice_quit
PARAMS ((void));
257 extern int strcmp_iw
PARAMS ((const char *, const char *));
259 extern int subset_compare
PARAMS ((char *, char *));
261 extern char *safe_strerror
PARAMS ((int));
263 extern char *safe_strsignal
PARAMS ((int));
265 extern void init_malloc
PARAMS ((void *));
267 extern void request_quit
PARAMS ((int));
269 extern void do_cleanups
PARAMS ((struct cleanup
*));
270 extern void do_final_cleanups
PARAMS ((struct cleanup
*));
271 extern void do_my_cleanups
PARAMS ((struct cleanup
**, struct cleanup
*));
272 extern void do_run_cleanups
PARAMS ((struct cleanup
*));
273 extern void do_exec_cleanups
PARAMS ((struct cleanup
*));
275 extern void discard_cleanups
PARAMS ((struct cleanup
*));
276 extern void discard_final_cleanups
PARAMS ((struct cleanup
*));
277 extern void discard_my_cleanups
PARAMS ((struct cleanup
**, struct cleanup
*));
279 typedef void (*make_cleanup_func
) PARAMS ((void *));
281 extern struct cleanup
*make_cleanup
PARAMS ((make_cleanup_func
, void *));
283 extern struct cleanup
*make_cleanup_freeargv
PARAMS ((char **));
285 extern struct cleanup
*make_final_cleanup
PARAMS ((make_cleanup_func
, void *));
287 extern struct cleanup
*make_my_cleanup
PARAMS ((struct cleanup
**,
288 make_cleanup_func
, void *));
290 extern struct cleanup
*make_run_cleanup
PARAMS ((make_cleanup_func
, void *));
292 extern struct cleanup
*make_exec_cleanup
PARAMS ((make_cleanup_func
, void *));
294 extern struct cleanup
*save_cleanups
PARAMS ((void));
295 extern struct cleanup
*save_final_cleanups
PARAMS ((void));
296 extern struct cleanup
*save_my_cleanups
PARAMS ((struct cleanup
**));
298 extern void restore_cleanups
PARAMS ((struct cleanup
*));
299 extern void restore_final_cleanups
PARAMS ((struct cleanup
*));
300 extern void restore_my_cleanups
PARAMS ((struct cleanup
**, struct cleanup
*));
302 extern void free_current_contents
PARAMS ((char **));
304 extern void null_cleanup
PARAMS ((PTR
));
306 extern int myread
PARAMS ((int, char *, int));
308 extern int query
PARAMS((char *, ...))
309 ATTR_FORMAT(printf
, 1, 2);
311 #if !defined (USE_MMALLOC)
312 extern PTR mmalloc
PARAMS ((PTR
, size_t));
313 extern PTR mrealloc
PARAMS ((PTR
, PTR
, size_t));
314 extern void mfree
PARAMS ((PTR
, PTR
));
317 extern void init_page_info
PARAMS ((void));
319 /* From demangle.c */
321 extern void set_demangling_style
PARAMS ((char *));
326 typedef int (use_struct_convention_fn
) PARAMS ((int gcc_p
, struct type
*value_type
));
327 extern use_struct_convention_fn generic_use_struct_convention
;
329 typedef unsigned char *(breakpoint_from_pc_fn
) PARAMS ((CORE_ADDR
*pcptr
, int *lenptr
));
333 /* Annotation stuff. */
335 extern int annotation_level
; /* in stack.c */
337 extern void begin_line
PARAMS ((void));
339 extern void wrap_here
PARAMS ((char *));
341 extern void reinitialize_more_filter
PARAMS ((void));
354 enum streamtype ts_streamtype
;
361 typedef struct gdb_file GDB_FILE
; /* deprecated */
364 extern GDB_FILE
*gdb_stdout
;
365 /* Serious error notifications */
366 extern GDB_FILE
*gdb_stderr
;
367 /* Log/debug/trace messages that should bypass normal stdout/stderr
368 filtering. For momement, always call this stream using
369 *_unfiltered. In the very near future that restriction shall be
370 removed - either call shall be unfiltered. (cagney 1999-06-13). */
371 extern GDB_FILE
*gdb_stdlog
;
372 /* Target output that should bypass normal stdout/stderr filtering.
373 For momement, always call this stream using *_unfiltered. In the
374 very near future that restriction shall be removed - either call
375 shall be unfiltered. (cagney 1999-07-02). */
376 extern GDB_FILE
*gdb_stdtarg
;
380 #include "tuiCommand.h"
383 #include "tuiLayout.h"
387 /* Create a new gdb_file with the specified methods. */
389 typedef void (gdb_file_flush_ftype
) PARAMS ((struct gdb_file
*stream
));
390 extern void set_gdb_file_flush
PARAMS ((struct gdb_file
*stream
, gdb_file_flush_ftype
*flush
));
392 typedef void (gdb_file_fputs_ftype
) PARAMS ((const char *, struct gdb_file
*stream
));
393 extern void set_gdb_file_fputs
PARAMS ((struct gdb_file
*stream
, gdb_file_fputs_ftype
*fputs
));
395 typedef int (gdb_file_isatty_ftype
) PARAMS ((struct gdb_file
*stream
));
396 extern void set_gdb_file_isatty
PARAMS ((struct gdb_file
*stream
, gdb_file_isatty_ftype
*isatty
));
398 typedef void (gdb_file_rewind_ftype
) PARAMS ((struct gdb_file
*stream
));
399 extern void set_gdb_file_rewind
PARAMS ((struct gdb_file
*stream
, gdb_file_rewind_ftype
*rewind
));
401 typedef void (gdb_file_put_ftype
) PARAMS ((struct gdb_file
*stream
, struct gdb_file
*dest
));
402 extern void set_gdb_file_put
PARAMS ((struct gdb_file
*stream
, gdb_file_put_ftype
*put
));
404 typedef void (gdb_file_delete_ftype
) PARAMS ((struct gdb_file
*stream
));
405 extern void set_gdb_file_data
PARAMS ((struct gdb_file
*stream
, void *data
, gdb_file_delete_ftype
*delete));
407 extern struct gdb_file
*gdb_file_new
PARAMS ((void));
409 extern void gdb_file_delete
PARAMS ((struct gdb_file
*stream
));
411 extern void gdb_file_rewind
PARAMS ((struct gdb_file
*stream
));
413 /* NOTE: copies left to right */
414 extern void gdb_file_put
PARAMS ((struct gdb_file
*src
, struct gdb_file
*dest
));
416 extern void *gdb_file_data
PARAMS ((struct gdb_file
*file
));
418 /* Open the specified FILE as a gdb_file. */
419 extern struct gdb_file
*stdio_fileopen
PARAMS ((FILE *));
420 /* #if defined (TUI) */
421 extern struct gdb_file
*tui_fileopen
PARAMS ((FILE *));
424 /* deprecated - use gdb_file_delete */
425 extern void gdb_fclose
PARAMS ((GDB_FILE
**));
427 extern void gdb_flush
PARAMS ((GDB_FILE
*));
429 extern GDB_FILE
*gdb_fopen
PARAMS ((char * name
, char * mode
));
431 extern void fputs_filtered
PARAMS ((const char *, GDB_FILE
*));
433 extern void fputs_unfiltered
PARAMS ((const char *, GDB_FILE
*));
435 extern int fputc_filtered
PARAMS ((int c
, GDB_FILE
*));
437 extern int fputc_unfiltered
PARAMS ((int c
, GDB_FILE
*));
439 extern int putchar_unfiltered
PARAMS ((int c
));
441 extern void puts_filtered
PARAMS ((const char *));
443 extern void puts_unfiltered
PARAMS ((const char *));
445 extern void puts_debug
PARAMS ((char *prefix
, char *string
, char *suffix
));
447 extern void vprintf_filtered
PARAMS ((const char *, va_list))
448 ATTR_FORMAT(printf
, 1, 0);
450 extern void vfprintf_filtered
PARAMS ((GDB_FILE
*, const char *, va_list))
451 ATTR_FORMAT(printf
, 2, 0);
453 extern void fprintf_filtered
PARAMS ((GDB_FILE
*, const char *, ...))
454 ATTR_FORMAT(printf
, 2, 3);
456 extern void fprintfi_filtered
PARAMS ((int, GDB_FILE
*, const char *, ...))
457 ATTR_FORMAT(printf
, 3, 4);
459 extern void printf_filtered
PARAMS ((const char *, ...))
460 ATTR_FORMAT(printf
, 1, 2);
462 extern void printfi_filtered
PARAMS ((int, const char *, ...))
463 ATTR_FORMAT(printf
, 2, 3);
465 extern void vprintf_unfiltered
PARAMS ((const char *, va_list))
466 ATTR_FORMAT(printf
, 1, 0);
468 extern void vfprintf_unfiltered
PARAMS ((GDB_FILE
*, const char *, va_list))
469 ATTR_FORMAT(printf
, 2, 0);
471 extern void fprintf_unfiltered
PARAMS ((GDB_FILE
*, const char *, ...))
472 ATTR_FORMAT(printf
, 2, 3);
474 extern void printf_unfiltered
PARAMS ((const char *, ...))
475 ATTR_FORMAT(printf
, 1, 2);
477 extern int gdb_file_isatty
PARAMS ((GDB_FILE
*));
479 /* #if defined (TUI) */
480 extern GDB_FILE
*gdb_file_init_astring
PARAMS ((int));
483 extern void gdb_file_deallocate
PARAMS ((GDB_FILE
**));
485 /* #if defined (TUI) */
486 extern char *gdb_file_get_strbuf
PARAMS ((GDB_FILE
*));
489 /* #if defined (TUI) */
490 extern void gdb_file_adjust_strbuf
PARAMS ((int, GDB_FILE
*));
493 extern void print_spaces
PARAMS ((int, GDB_FILE
*));
495 extern void print_spaces_filtered
PARAMS ((int, GDB_FILE
*));
497 extern char *n_spaces
PARAMS ((int));
499 extern void fputstr_filtered
PARAMS ((const char *str
, int quotr
, GDB_FILE
*stream
));
501 extern void fputstr_unfiltered
PARAMS ((const char *str
, int quotr
, GDB_FILE
*stream
));
503 extern void fputstrn_unfiltered
PARAMS ((const char *str
, int n
, int quotr
, GDB_FILE
*stream
));
505 extern void gdb_print_address
PARAMS ((void *, GDB_FILE
*));
507 typedef bfd_vma t_addr
;
508 typedef bfd_vma t_reg
;
509 extern char* paddr
PARAMS ((t_addr addr
));
511 extern char* preg
PARAMS ((t_reg reg
));
513 extern char* paddr_nz
PARAMS ((t_addr addr
));
515 extern char* preg_nz
PARAMS ((t_reg reg
));
517 extern void fprintf_symbol_filtered
PARAMS ((GDB_FILE
*, char *,
518 enum language
, int));
520 extern NORETURN
void perror_with_name
PARAMS ((char *)) ATTR_NORETURN
;
522 extern void print_sys_errmsg
PARAMS ((char *, int));
524 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
525 "const char *" in unistd.h, so we can't declare the argument
528 extern char *re_comp
PARAMS ((const char *));
532 extern void symbol_file_command
PARAMS ((char *, int));
536 extern char *skip_quoted
PARAMS ((char *));
538 extern char *gdb_readline
PARAMS ((char *));
540 extern char *command_line_input
PARAMS ((char *, int, char *));
542 extern void print_prompt
PARAMS ((void));
544 extern int input_from_terminal_p
PARAMS ((void));
546 extern int info_verbose
;
548 /* From printcmd.c */
550 extern void set_next_address
PARAMS ((CORE_ADDR
));
552 extern void print_address_symbolic
PARAMS ((CORE_ADDR
, GDB_FILE
*, int,
555 extern void print_address_numeric
PARAMS ((CORE_ADDR
, int, GDB_FILE
*));
557 extern void print_address
PARAMS ((CORE_ADDR
, GDB_FILE
*));
561 extern int openp
PARAMS ((char *, int, char *, int, int, char **));
563 extern int source_full_path_of
PARAMS ((char *, char **));
565 extern void mod_path
PARAMS ((char *, char **));
567 extern void directory_command
PARAMS ((char *, int));
569 extern void init_source_path
PARAMS ((void));
571 extern char *symtab_to_filename
PARAMS ((struct symtab
*));
575 extern int read_relative_register_raw_bytes
PARAMS ((int, char *));
581 void default_get_saved_register
PARAMS ((char *raw_buffer
, int *optimized
,
583 struct frame_info
*frame
, int regnum
,
584 enum lval_type
*lval
));
586 /* From readline (but not in any readline .h files). */
588 extern char *tilde_expand
PARAMS ((char *));
590 /* Control types for commands */
592 enum misc_command_type
600 enum command_control_type
610 /* Structure for saved commands lines
611 (for breakpoints, defined commands, etc). */
615 struct command_line
*next
;
617 enum command_control_type control_type
;
619 struct command_line
**body_list
;
622 extern struct command_line
*read_command_lines
PARAMS ((char *, int));
624 extern void free_command_lines
PARAMS ((struct command_line
**));
626 /* To continue the execution commands when running gdb asynchronously.
627 A continuation structure contains a pointer to a function to be called
628 to finish the command, once the target has stopped. Such mechanism is
629 used bt the finish and until commands, and in the remote protocol
630 when opening an extended-remote connection. */
632 struct continuation_arg
634 struct continuation_arg
*next
;
640 void (*continuation_hook
) PARAMS ((struct continuation_arg
*));
641 struct continuation_arg
*arg_list
;
642 struct continuation
*next
;
647 extern struct continuation
*cmd_continuation
;
650 void add_continuation
PARAMS ((void (*) PARAMS ((struct continuation_arg
*)),
651 struct continuation_arg
*));
652 void do_all_continuations
PARAMS ((void));
654 /* String containing the current directory (what getwd would return). */
656 extern char *current_directory
;
658 /* Default radixes for input and output. Only some values supported. */
659 extern unsigned input_radix
;
660 extern unsigned output_radix
;
662 /* Possibilities for prettyprint parameters to routines which print
663 things. Like enum language, this should be in value.h, but needs
664 to be here for the same reason. FIXME: If we can eliminate this
665 as an arg to LA_VAL_PRINT, then we can probably move it back to
670 Val_no_prettyprint
= 0,
672 /* Use the default setting which the user has specified. */
677 /* Host machine definition. This will be a symlink to one of the
678 xm-*.h files, built by the `configure' script. */
682 /* Native machine support. This will be a symlink to one of the
683 nm-*.h files, built by the `configure' script. */
687 /* Target machine definition. This will be a symlink to one of the
688 tm-*.h files, built by the `configure' script. */
692 /* If the xm.h file did not define the mode string used to open the
693 files, assume that binary files are opened the same way as text
696 #include "fopen-same.h"
699 /* Microsoft C can't deal with const pointers */
704 #define CONST_PTR const
708 * Allow things in gdb to be declared "volatile". If compiling ANSI, it
709 * just works. If compiling with gcc but non-ansi, redefine to __volatile__.
710 * If non-ansi, non-gcc, then eliminate "volatile" entirely, making those
711 * objects be read-write rather than read-only.
717 # define volatile __volatile__
719 # define volatile /*nothing*/
722 #endif /* volatile */
724 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
725 FIXME: Assumes 2's complement arithmetic */
727 #if !defined (UINT_MAX)
728 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
731 #if !defined (INT_MAX)
732 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
735 #if !defined (INT_MIN)
736 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
739 #if !defined (ULONG_MAX)
740 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
743 #if !defined (LONG_MAX)
744 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
751 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
753 #define LONGEST BFD_HOST_64_BIT
754 #define ULONGEST BFD_HOST_U_64_BIT
758 # ifdef CC_HAS_LONG_LONG
759 # define LONGEST long long
760 # define ULONGEST unsigned long long
762 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
763 (e.g. i386-windows) so try it. */
764 # ifdef BFD_HOST_64_BIT
765 # define LONGEST BFD_HOST_64_BIT
766 # define ULONGEST BFD_HOST_U_64_BIT
768 # define LONGEST long
769 # define ULONGEST unsigned long
773 #endif /* No BFD64 */
775 #endif /* ! LONGEST */
777 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
778 arguments to a function, number in a value history, register number, etc.)
779 where the value must not be larger than can fit in an int. */
781 extern int longest_to_int
PARAMS ((LONGEST
));
783 /* Assorted functions we can declare, now that const and volatile are
786 extern char *savestring
PARAMS ((const char *, int));
788 extern char *msavestring
PARAMS ((void *, const char *, int));
790 extern char *strsave
PARAMS ((const char *));
792 extern char *mstrsave
PARAMS ((void *, const char *));
794 #ifdef _MSC_VER /* FIXME; was long, but this causes compile errors in msvc if already defined */
795 extern PTR xmmalloc
PARAMS ((PTR
, size_t));
797 extern PTR xmrealloc
PARAMS ((PTR
, PTR
, size_t));
799 extern PTR xmmalloc
PARAMS ((PTR
, long));
801 extern PTR xmrealloc
PARAMS ((PTR
, PTR
, long));
804 extern int parse_escape
PARAMS ((char **));
806 /* Message to be printed before the error message, when an error occurs. */
808 extern char *error_pre_print
;
810 /* Message to be printed before the error message, when an error occurs. */
812 extern char *quit_pre_print
;
814 /* Message to be printed before the warning message, when a warning occurs. */
816 extern char *warning_pre_print
;
818 extern NORETURN
void error
PARAMS((const char *, ...)) ATTR_NORETURN
;
820 extern void error_begin
PARAMS ((void));
822 extern NORETURN
void internal_error (char *, ...) ATTR_NORETURN
;
824 extern NORETURN
void nomem
PARAMS ((long)) ATTR_NORETURN
;
826 /* Reasons for calling return_to_top_level. */
828 /* User interrupt. */
831 /* Any other error. */
835 #define ALL_CLEANUPS ((struct cleanup *)0)
837 #define RETURN_MASK_QUIT (1 << (int)RETURN_QUIT)
838 #define RETURN_MASK_ERROR (1 << (int)RETURN_ERROR)
839 #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
840 typedef int return_mask
;
843 return_to_top_level
PARAMS ((enum return_reason
)) ATTR_NORETURN
;
845 typedef int (catch_errors_ftype
) PARAMS ((PTR
));
846 extern int catch_errors
PARAMS ((catch_errors_ftype
*, PTR
, char *, return_mask
));
848 extern void warning_begin
PARAMS ((void));
850 extern void warning
PARAMS ((const char *, ...))
851 ATTR_FORMAT(printf
, 1, 2);
853 /* Global functions from other, non-gdb GNU thingies.
854 Libiberty thingies are no longer declared here. We include libiberty.h
857 #ifndef GETENV_PROVIDED
858 extern char *getenv
PARAMS ((const char *));
861 /* From other system libraries */
868 #if defined(_MSC_VER) && !defined(__cplusplus)
869 /* msvc defines these in stdlib.h for c code */
876 #define min(a, b) ((a) < (b) ? (a) : (b))
879 #define max(a, b) ((a) > (b) ? (a) : (b))
883 /* We take the address of fclose later, but some stdio's forget
884 to declare this. We can't always declare it since there's
885 no way to declare the parameters without upsetting some compiler
888 #ifndef FCLOSE_PROVIDED
889 extern int fclose
PARAMS ((FILE *));
893 extern double atof
PARAMS ((const char *)); /* X3.159-1989 4.10.1.1 */
896 #ifndef MALLOC_INCOMPATIBLE
898 #ifdef NEED_DECLARATION_MALLOC
899 extern PTR
malloc ();
902 #ifdef NEED_DECLARATION_REALLOC
903 extern PTR
realloc ();
906 #ifdef NEED_DECLARATION_FREE
910 #endif /* MALLOC_INCOMPATIBLE */
912 /* Various possibilities for alloca. */
915 # define alloca __builtin_alloca
916 # else /* Not GNU C */
917 # ifdef HAVE_ALLOCA_H
924 /* We need to be careful not to declare this in a way which conflicts with
925 bison. Bison never declares it as char *, but under various circumstances
926 (like __hpux) we need to use void *. */
927 # if defined (__STDC__) || defined (__hpux)
928 extern void *alloca ();
929 # else /* Don't use void *. */
930 extern char *alloca ();
931 # endif /* Don't use void *. */
932 # endif /* Not _AIX */
933 # endif /* Not HAVE_ALLOCA_H */
934 # endif /* Not GNU C */
935 #endif /* alloca not defined */
937 /* HOST_BYTE_ORDER must be defined to one of these. */
943 #if !defined (BIG_ENDIAN)
944 #define BIG_ENDIAN 4321
947 #if !defined (LITTLE_ENDIAN)
948 #define LITTLE_ENDIAN 1234
951 /* Dynamic target-system-dependent parameters for GDB. */
954 /* Static target-system-dependent parameters for GDB. */
956 /* Number of bits in a char or unsigned char for the target machine.
957 Just like CHAR_BIT in <limits.h> but describes the target machine. */
958 #if !defined (TARGET_CHAR_BIT)
959 #define TARGET_CHAR_BIT 8
962 /* Number of bits in a short or unsigned short for the target machine. */
963 #if !defined (TARGET_SHORT_BIT)
964 #define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT)
967 /* Number of bits in an int or unsigned int for the target machine. */
968 #if !defined (TARGET_INT_BIT)
969 #define TARGET_INT_BIT (4 * TARGET_CHAR_BIT)
972 /* Number of bits in a long or unsigned long for the target machine. */
973 #if !defined (TARGET_LONG_BIT)
974 #define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT)
977 /* Number of bits in a long long or unsigned long long for the target machine. */
978 #if !defined (TARGET_LONG_LONG_BIT)
979 #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT)
982 /* Number of bits in a float for the target machine. */
983 #if !defined (TARGET_FLOAT_BIT)
984 #define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT)
987 /* Number of bits in a double for the target machine. */
988 #if !defined (TARGET_DOUBLE_BIT)
989 #define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT)
992 /* Number of bits in a long double for the target machine. */
993 #if !defined (TARGET_LONG_DOUBLE_BIT)
994 #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT)
997 /* Number of bits in a pointer for the target machine */
998 #if !defined (TARGET_PTR_BIT)
999 #define TARGET_PTR_BIT TARGET_INT_BIT
1002 /* If we picked up a copy of CHAR_BIT from a configuration file
1003 (which may get it by including <limits.h>) then use it to set
1004 the number of bits in a host char. If not, use the same size
1007 #if defined (CHAR_BIT)
1008 #define HOST_CHAR_BIT CHAR_BIT
1010 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1013 /* The bit byte-order has to do just with numbering of bits in
1014 debugging symbols and such. Conceptually, it's quite separate
1015 from byte/word byte order. */
1017 #if !defined (BITS_BIG_ENDIAN)
1018 #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN)
1023 extern LONGEST extract_signed_integer
PARAMS ((void *, int));
1025 extern ULONGEST extract_unsigned_integer
PARAMS ((void *, int));
1027 extern int extract_long_unsigned_integer
PARAMS ((void *, int, LONGEST
*));
1029 extern CORE_ADDR extract_address
PARAMS ((void *, int));
1031 extern void store_signed_integer
PARAMS ((PTR
, int, LONGEST
));
1033 extern void store_unsigned_integer
PARAMS ((PTR
, int, ULONGEST
));
1035 extern void store_address
PARAMS ((PTR
, int, LONGEST
));
1037 /* Setup definitions for host and target floating point formats. We need to
1038 consider the format for `float', `double', and `long double' for both target
1039 and host. We need to do this so that we know what kind of conversions need
1040 to be done when converting target numbers to and from the hosts DOUBLEST
1043 /* This is used to indicate that we don't know the format of the floating point
1044 number. Typically, this is useful for native ports, where the actual format
1045 is irrelevant, since no conversions will be taking place. */
1047 extern const struct floatformat floatformat_unknown
;
1049 #if HOST_BYTE_ORDER == BIG_ENDIAN
1050 # ifndef HOST_FLOAT_FORMAT
1051 # define HOST_FLOAT_FORMAT &floatformat_ieee_single_big
1053 # ifndef HOST_DOUBLE_FORMAT
1054 # define HOST_DOUBLE_FORMAT &floatformat_ieee_double_big
1056 #else /* LITTLE_ENDIAN */
1057 # ifndef HOST_FLOAT_FORMAT
1058 # define HOST_FLOAT_FORMAT &floatformat_ieee_single_little
1060 # ifndef HOST_DOUBLE_FORMAT
1061 # define HOST_DOUBLE_FORMAT &floatformat_ieee_double_little
1065 #ifndef HOST_LONG_DOUBLE_FORMAT
1066 #define HOST_LONG_DOUBLE_FORMAT &floatformat_unknown
1069 #ifndef TARGET_FLOAT_FORMAT
1070 #define TARGET_FLOAT_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \
1071 ? &floatformat_ieee_single_big \
1072 : &floatformat_ieee_single_little)
1074 #ifndef TARGET_DOUBLE_FORMAT
1075 #define TARGET_DOUBLE_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \
1076 ? &floatformat_ieee_double_big \
1077 : &floatformat_ieee_double_little)
1080 #ifndef TARGET_LONG_DOUBLE_FORMAT
1081 # define TARGET_LONG_DOUBLE_FORMAT &floatformat_unknown
1084 /* Use `long double' if the host compiler supports it. (Note that this is not
1085 necessarily any longer than `double'. On SunOS/gcc, it's the same as
1086 double.) This is necessary because GDB internally converts all floating
1087 point values to the widest type supported by the host.
1089 There are problems however, when the target `long double' is longer than the
1090 host's `long double'. In general, we'll probably reduce the precision of
1091 any such values and print a warning. */
1093 #ifdef HAVE_LONG_DOUBLE
1094 typedef long double DOUBLEST
;
1096 typedef double DOUBLEST
;
1099 extern void floatformat_to_doublest
PARAMS ((const struct floatformat
*,
1100 char *, DOUBLEST
*));
1101 extern void floatformat_from_doublest
PARAMS ((const struct floatformat
*,
1102 DOUBLEST
*, char *));
1103 extern DOUBLEST extract_floating
PARAMS ((void *, int));
1105 extern void store_floating
PARAMS ((void *, int, DOUBLEST
));
1107 /* On some machines there are bits in addresses which are not really
1108 part of the address, but are used by the kernel, the hardware, etc.
1109 for special purposes. ADDR_BITS_REMOVE takes out any such bits
1110 so we get a "real" address such as one would find in a symbol
1111 table. This is used only for addresses of instructions, and even then
1112 I'm not sure it's used in all contexts. It exists to deal with there
1113 being a few stray bits in the PC which would mislead us, not as some sort
1114 of generic thing to handle alignment or segmentation (it's possible it
1115 should be in TARGET_READ_PC instead). */
1116 #if !defined (ADDR_BITS_REMOVE)
1117 #define ADDR_BITS_REMOVE(addr) (addr)
1118 #endif /* No ADDR_BITS_REMOVE. */
1122 extern CORE_ADDR push_bytes
PARAMS ((CORE_ADDR
, char *, int));
1124 extern CORE_ADDR push_word
PARAMS ((CORE_ADDR
, ULONGEST
));
1126 extern int watchdog
;
1128 /* Hooks for alternate command interfaces. */
1130 struct target_waitstatus
;
1131 struct cmd_list_element
;
1134 /* Should the asynchronous variant of the interpreter (using the
1135 event-loop) be enabled? */
1138 extern void (*init_ui_hook
) PARAMS ((char *argv0
));
1139 extern void (*command_loop_hook
) PARAMS ((void));
1140 extern void (*fputs_unfiltered_hook
) PARAMS ((const char *linebuffer
,
1142 extern void (*print_frame_info_listing_hook
) PARAMS ((struct symtab
*s
,
1143 int line
, int stopline
,
1145 extern struct frame_info
*parse_frame_specification
PARAMS ((char *frame_exp
));
1146 extern int (*query_hook
) PARAMS ((const char *, va_list));
1147 extern void (*warning_hook
) PARAMS ((const char *, va_list));
1148 extern void (*flush_hook
) PARAMS ((GDB_FILE
*stream
));
1149 extern void (*create_breakpoint_hook
) PARAMS ((struct breakpoint
*b
));
1150 extern void (*delete_breakpoint_hook
) PARAMS ((struct breakpoint
*bpt
));
1151 extern void (*modify_breakpoint_hook
) PARAMS ((struct breakpoint
*bpt
));
1152 extern void (*interactive_hook
) PARAMS ((void));
1153 extern void (*registers_changed_hook
) PARAMS ((void));
1154 extern void (*readline_begin_hook
) PARAMS ((char *, ...));
1155 extern char * (*readline_hook
) PARAMS ((char *));
1156 extern void (*readline_end_hook
) PARAMS ((void));
1157 extern void (*register_changed_hook
) PARAMS ((int regno
));
1158 extern void (*memory_changed_hook
) PARAMS ((CORE_ADDR addr
, int len
));
1159 extern void (*context_hook
) PARAMS ((int));
1160 extern int (*target_wait_hook
) PARAMS ((int pid
,
1161 struct target_waitstatus
*status
));
1163 extern void (*call_command_hook
) PARAMS ((struct cmd_list_element
*c
,
1164 char *cmd
, int from_tty
));
1166 extern void (*set_hook
) PARAMS ((struct cmd_list_element
*c
));
1168 extern NORETURN
void (*error_hook
) PARAMS ((void)) ATTR_NORETURN
;
1170 extern void (*error_begin_hook
) PARAMS ((void));
1173 /* Inhibit window interface if non-zero. */
1175 extern int use_windows
;
1177 /* Symbolic definitions of filename-related things. */
1178 /* FIXME, this doesn't work very well if host and executable
1179 filesystems conventions are different. */
1181 #ifndef DIRNAME_SEPARATOR
1182 #define DIRNAME_SEPARATOR ':'
1186 #if defined(__GO32__)||defined(_WIN32)
1187 #define SLASH_P(X) ((X)=='\\')
1189 #define SLASH_P(X) ((X)=='/')
1194 #if defined(__GO32__)||defined(_WIN32)
1195 #define SLASH_CHAR '\\'
1197 #define SLASH_CHAR '/'
1201 #ifndef SLASH_STRING
1202 #if defined(__GO32__)||defined(_WIN32)
1203 #define SLASH_STRING "\\"
1205 #define SLASH_STRING "/"
1210 #define ROOTED_P(X) (SLASH_P((X)[0]))
1213 /* On some systems, PIDGET is defined to extract the inferior pid from
1214 an internal pid that has the thread id and pid in seperate bit
1215 fields. If not defined, then just use the entire internal pid as
1219 #define PIDGET(pid) (pid)
1222 /* If under Cygwin, provide backwards compatibility with older
1223 Cygwin compilers that don't define the current cpp define. */
1230 /* Define well known filenos if the system does not define them. */
1231 #ifndef STDIN_FILENO
1232 #define STDIN_FILENO 0
1234 #ifndef STDOUT_FILENO
1235 #define STDOUT_FILENO 1
1237 #ifndef STDERR_FILENO
1238 #define STDERR_FILENO 2
1241 #endif /* #ifndef DEFS_H */