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 */
41 /* Just in case they're not defined in stdio.h. */
50 /* First include ansidecl.h so we can use the various macro definitions
51 here and in all subsequent file inclusions. */
55 #include <stdarg.h> /* for va_list */
57 #include "libiberty.h"
59 /* libiberty.h can't declare this one, but evidently we can. */
60 extern char *strsignal (int);
68 /* For BFD64 and bfd_vma. */
71 /* An address in the program being debugged. Host byte order. Rather
72 than duplicate all the logic in BFD which figures out what type
73 this is (long, long long, etc.) and whether it needs to be 64
74 bits (the host/target interactions are subtle), we just use
77 typedef bfd_vma CORE_ADDR;
79 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
85 #define LONGEST BFD_HOST_64_BIT
86 #define ULONGEST BFD_HOST_U_64_BIT
90 #ifdef CC_HAS_LONG_LONG
91 #define LONGEST long long
92 #define ULONGEST unsigned long long
94 #ifdef BFD_HOST_64_BIT
95 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
96 (e.g. i386-windows) so try it. */
97 #define LONGEST BFD_HOST_64_BIT
98 #define ULONGEST BFD_HOST_U_64_BIT
101 #define ULONGEST unsigned long
105 #endif /* No BFD64 */
107 #endif /* ! LONGEST */
109 extern int core_addr_lessthan (CORE_ADDR lhs, CORE_ADDR rhs);
110 extern int core_addr_greaterthan (CORE_ADDR lhs, CORE_ADDR rhs);
114 #define min(a, b) ((a) < (b) ? (a) : (b))
117 #define max(a, b) ((a) > (b) ? (a) : (b))
120 /* Gdb does *lots* of string compares. Use macros to speed them up by
121 avoiding function calls if the first characters are not the same. */
123 #define STRCMP(a,b) (*(a) == *(b) ? strcmp ((a), (b)) : (int)*(a) - (int)*(b))
124 #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0)
125 #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0)
127 /* The character GNU C++ uses to build identifiers that must be unique from
128 the program's identifiers (such as $this and $$vptr). */
129 #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */
131 /* Check if a character is one of the commonly used C++ marker characters. */
132 extern int is_cplus_marker (int);
134 /* use tui interface if non-zero */
135 extern int tui_version;
138 /* all invocations of TUIDO should have two sets of parens */
139 #define TUIDO(x) tuiDo x
144 /* enable xdb commands if set */
145 extern int xdb_commands;
147 /* enable dbx commands if set */
148 extern int dbx_commands;
150 extern int quit_flag;
151 extern int immediate_quit;
152 extern int sevenbit_strings;
154 extern void quit (void);
157 /* do twice to force compiler warning */
158 #define QUIT_FIXME "FIXME"
159 #define QUIT_FIXME "ignoring redefinition of QUIT"
162 if (quit_flag) quit (); \
163 if (interactive_hook) interactive_hook (); \
168 /* Languages represented in the symbol table and elsewhere.
169 This should probably be in language.h, but since enum's can't
170 be forward declared to satisfy opaque references before their
171 actual definition, needs to be here. */
175 language_unknown, /* Language not known */
176 language_auto, /* Placeholder for automatic setting */
178 language_cplus, /* C++ */
179 language_java, /* Java */
180 language_chill, /* Chill */
181 language_fortran, /* Fortran */
182 language_m2, /* Modula-2 */
183 language_asm, /* Assembly language */
184 language_scm /* Scheme / Guile */
191 unspecified_precision
194 /* the cleanup list records things that have to be undone
195 if an error happens (descriptors to be closed, memory to be freed, etc.)
196 Each link in the chain records a function to call and an
199 Use make_cleanup to add an element to the cleanup chain.
200 Use do_cleanups to do all cleanup actions back to a given
201 point in the chain. Use discard_cleanups to remove cleanups
202 from the chain back to a given point, not doing them. */
206 struct cleanup *next;
207 void (*function) (PTR);
212 /* The ability to declare that a function never returns is useful, but
213 not really required to compile GDB successfully, so the NORETURN and
214 ATTR_NORETURN macros normally expand into nothing. */
216 /* If compiling with older versions of GCC, a function may be declared
217 "volatile" to indicate that it does not return. */
220 #if defined(__GNUC__) \
221 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
222 #define NORETURN volatile
224 #define NORETURN /* nothing */
228 /* GCC 2.5 and later versions define a function attribute "noreturn",
229 which is the preferred way to declare that a function never returns.
230 However GCC 2.7 appears to be the first version in which this fully
231 works everywhere we use it. */
233 #ifndef ATTR_NORETURN
234 #if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 7
235 #define ATTR_NORETURN __attribute__ ((noreturn))
237 #define ATTR_NORETURN /* nothing */
242 #if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 4
243 #define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
245 #define ATTR_FORMAT(type, x, y) /* nothing */
249 /* Needed for various prototypes */
254 /* From blockframe.c */
256 extern int inside_entry_func (CORE_ADDR);
258 extern int inside_entry_file (CORE_ADDR addr);
260 extern int inside_main_func (CORE_ADDR pc);
262 /* From ch-lang.c, for the moment. (FIXME) */
264 extern char *chill_demangle (const char *);
268 extern void initialize_utils (void);
270 extern void notice_quit (void);
272 extern int strcmp_iw (const char *, const char *);
274 extern int subset_compare (char *, char *);
276 extern char *safe_strerror (int);
278 extern char *safe_strsignal (int);
280 extern void init_malloc (void *);
282 extern void request_quit (int);
284 extern void do_cleanups (struct cleanup *);
285 extern void do_final_cleanups (struct cleanup *);
286 extern void do_my_cleanups (struct cleanup **, struct cleanup *);
287 extern void do_run_cleanups (struct cleanup *);
288 extern void do_exec_cleanups (struct cleanup *);
289 extern void do_exec_error_cleanups (struct cleanup *);
291 extern void discard_cleanups (struct cleanup *);
292 extern void discard_final_cleanups (struct cleanup *);
293 extern void discard_exec_error_cleanups (struct cleanup *);
294 extern void discard_my_cleanups (struct cleanup **, struct cleanup *);
296 typedef void (*make_cleanup_func) (void *);
298 extern struct cleanup *make_cleanup (make_cleanup_func, void *);
300 extern struct cleanup *make_cleanup_freeargv (char **);
303 extern struct cleanup *make_cleanup_gdb_file_delete (struct gdb_file *);
305 extern struct cleanup *make_final_cleanup (make_cleanup_func, void *);
307 extern struct cleanup *make_my_cleanup (struct cleanup **,
308 make_cleanup_func, void *);
310 extern struct cleanup *make_run_cleanup (make_cleanup_func, void *);
312 extern struct cleanup *make_exec_cleanup (make_cleanup_func, void *);
313 extern struct cleanup *make_exec_error_cleanup (make_cleanup_func, void *);
315 extern struct cleanup *save_cleanups (void);
316 extern struct cleanup *save_final_cleanups (void);
317 extern struct cleanup *save_my_cleanups (struct cleanup **);
319 extern void restore_cleanups (struct cleanup *);
320 extern void restore_final_cleanups (struct cleanup *);
321 extern void restore_my_cleanups (struct cleanup **, struct cleanup *);
323 extern void free_current_contents (char **);
325 extern void null_cleanup (PTR);
327 extern int myread (int, char *, int);
329 extern int query (char *, ...) ATTR_FORMAT (printf, 1, 2);
331 #if !defined (USE_MMALLOC)
332 extern PTR mmalloc (PTR, size_t);
333 extern PTR mrealloc (PTR, PTR, size_t);
334 extern void mfree (PTR, PTR);
337 extern void init_page_info (void);
339 /* From demangle.c */
341 extern void set_demangling_style (char *);
346 typedef int (use_struct_convention_fn) (int gcc_p, struct type * value_type);
347 extern use_struct_convention_fn generic_use_struct_convention;
349 typedef unsigned char *(breakpoint_from_pc_fn) (CORE_ADDR * pcptr, int *lenptr);
351 /* Annotation stuff. */
353 extern int annotation_level; /* in stack.c */
355 extern void begin_line (void);
357 extern void wrap_here (char *);
359 extern void reinitialize_more_filter (void);
362 typedef struct gdb_file GDB_FILE; /* deprecated */
365 extern GDB_FILE *gdb_stdout;
366 /* Serious error notifications */
367 extern GDB_FILE *gdb_stderr;
368 /* Log/debug/trace messages that should bypass normal stdout/stderr
369 filtering. For momement, always call this stream using
370 *_unfiltered. In the very near future that restriction shall be
371 removed - either call shall be unfiltered. (cagney 1999-06-13). */
372 extern GDB_FILE *gdb_stdlog;
373 /* Target output that should bypass normal stdout/stderr filtering.
374 For momement, always call this stream using *_unfiltered. In the
375 very near future that restriction shall be removed - either call
376 shall be unfiltered. (cagney 1999-07-02). */
377 extern GDB_FILE *gdb_stdtarg;
381 #include "tuiCommand.h"
384 #include "tuiLayout.h"
388 /* Create a generic gdb_file object with null methods. */
390 extern struct gdb_file *gdb_file_new (void);
392 /* Override methods used by specific implementations of a GDB_FILE
395 typedef void (gdb_file_flush_ftype) (struct gdb_file * stream);
396 extern void set_gdb_file_flush (struct gdb_file *stream, gdb_file_flush_ftype * flush);
398 /* NOTE: Both fputs and write methods are available. Default
399 implementations that mapping one onto the other are included. */
400 typedef void (gdb_file_write_ftype) (struct gdb_file * stream, const char *buf, long length_buf);
401 extern void set_gdb_file_write (struct gdb_file *stream, gdb_file_write_ftype *fputs);
403 typedef void (gdb_file_fputs_ftype) (const char *, struct gdb_file * stream);
404 extern void set_gdb_file_fputs (struct gdb_file *stream, gdb_file_fputs_ftype * fputs);
406 typedef int (gdb_file_isatty_ftype) (struct gdb_file * stream);
407 extern void set_gdb_file_isatty (struct gdb_file *stream, gdb_file_isatty_ftype * isatty);
409 typedef void (gdb_file_rewind_ftype) (struct gdb_file * stream);
410 extern void set_gdb_file_rewind (struct gdb_file *stream, gdb_file_rewind_ftype * rewind);
412 typedef void (gdb_file_put_method_ftype) (void *object, const char *buffer, long length_buffer);
413 typedef void (gdb_file_put_ftype) (struct gdb_file *stream, gdb_file_put_method_ftype * method, void *context);
414 extern void set_gdb_file_put (struct gdb_file *stream, gdb_file_put_ftype * put);
416 typedef void (gdb_file_delete_ftype) (struct gdb_file * stream);
417 extern void set_gdb_file_data (struct gdb_file *stream, void *data, gdb_file_delete_ftype * delete);
419 extern void *gdb_file_data (struct gdb_file *file);
422 /* Open the specified FILE as a gdb_file. */
423 extern struct gdb_file *stdio_fileopen (FILE *file);
425 /* Open NAME returning a GDB_FILE. */
426 extern GDB_FILE *gdb_fopen (char *name, char *mode);
428 /* Create/open a memory based file. Can be used as a scratch
429 buffer for collecting output. */
430 extern struct gdb_file *mem_fileopen (void);
432 extern void gdb_flush (GDB_FILE *);
434 extern void gdb_file_delete (struct gdb_file *stream);
436 extern void gdb_file_rewind (struct gdb_file *stream);
438 extern int gdb_file_isatty (GDB_FILE *);
440 extern void gdb_file_write (struct gdb_file *file, const char *buf, long length_buf);
442 /* NOTE: copies left to right */
443 extern void gdb_file_put (struct gdb_file *src, gdb_file_put_method_ftype *write, void *dest);
445 /* Returns a freshly allocated buffer containing the entire contents
446 of FILE (as determined by gdb_file_put()) with a NUL character
447 appended. LENGTH is set to the size of the buffer minus that
449 extern char *gdb_file_xstrdup (struct gdb_file *file, long *length);
451 /* More generic printf like operations */
453 extern void fputs_filtered (const char *, GDB_FILE *);
455 extern void fputs_unfiltered (const char *, GDB_FILE *);
457 extern int fputc_filtered (int c, GDB_FILE *);
459 extern int fputc_unfiltered (int c, GDB_FILE *);
461 extern int putchar_unfiltered (int c);
463 extern void puts_filtered (const char *);
465 extern void puts_unfiltered (const char *);
467 extern void puts_debug (char *prefix, char *string, char *suffix);
469 extern void vprintf_filtered (const char *, va_list) ATTR_FORMAT (printf, 1, 0);
471 extern void vfprintf_filtered (GDB_FILE *, const char *, va_list) ATTR_FORMAT (printf, 2, 0);
473 extern void fprintf_filtered (GDB_FILE *, const char *, ...) ATTR_FORMAT (printf, 2, 3);
475 extern void fprintfi_filtered (int, GDB_FILE *, const char *, ...) ATTR_FORMAT (printf, 3, 4);
477 extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf, 1, 2);
479 extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf, 2, 3);
481 extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf, 1, 0);
483 extern void vfprintf_unfiltered (GDB_FILE *, const char *, va_list) ATTR_FORMAT (printf, 2, 0);
485 extern void fprintf_unfiltered (GDB_FILE *, const char *, ...) ATTR_FORMAT (printf, 2, 3);
487 extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (printf, 1, 2);
489 /* #if defined (TUI) */
490 /* DEPRECATED: Only the TUI should use these methods. */
491 extern struct gdb_file *tui_fileopen (FILE *);
492 extern struct gdb_file *tui_sfileopen (int);
493 extern char *tui_file_get_strbuf (struct gdb_file *);
494 extern void tui_file_adjust_strbuf (int, struct gdb_file *);
497 extern void print_spaces (int, GDB_FILE *);
499 extern void print_spaces_filtered (int, GDB_FILE *);
501 extern char *n_spaces (int);
503 extern void fputstr_filtered (const char *str, int quotr, GDB_FILE * stream);
505 extern void fputstr_unfiltered (const char *str, int quotr, GDB_FILE * stream);
507 extern void fputstrn_unfiltered (const char *str, int n, int quotr, GDB_FILE * stream);
509 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
510 extern void gdb_print_host_address (void *addr, struct gdb_file *stream);
512 /* Convert a CORE_ADDR into a HEX string. paddr() is like %08lx.
513 paddr_nz() is like %lx. paddr_u() is like %lu. paddr_width() is
515 extern int strlen_paddr (void);
516 extern char *paddr (CORE_ADDR addr);
517 extern char *paddr_nz (CORE_ADDR addr);
518 extern char *paddr_u (CORE_ADDR addr);
519 extern char *paddr_d (LONGEST addr);
521 typedef bfd_vma t_reg;
522 extern char *preg (t_reg reg);
523 extern char *preg_nz (t_reg reg);
525 extern void fprintf_symbol_filtered (GDB_FILE *, char *,
528 extern NORETURN void perror_with_name (char *) ATTR_NORETURN;
530 extern void print_sys_errmsg (char *, int);
532 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
533 "const char *" in unistd.h, so we can't declare the argument
536 extern char *re_comp (const char *);
540 extern void symbol_file_command (char *, int);
542 /* Remote targets may wish to use this as their load function. */
543 extern void generic_load (char *name, int from_tty);
545 /* Summarise a download */
546 extern void print_transfer_performance (struct gdb_file *stream,
547 unsigned long data_count,
548 unsigned long write_count,
549 unsigned long time_count);
553 typedef void initialize_file_ftype (void);
555 extern char *skip_quoted (char *);
557 extern char *gdb_readline (char *);
559 extern char *command_line_input (char *, int, char *);
561 extern void print_prompt (void);
563 extern int input_from_terminal_p (void);
565 extern int info_verbose;
567 /* From printcmd.c */
569 extern void set_next_address (CORE_ADDR);
571 extern void print_address_symbolic (CORE_ADDR, GDB_FILE *, int,
574 extern void print_address_numeric (CORE_ADDR, int, GDB_FILE *);
576 extern void print_address (CORE_ADDR, GDB_FILE *);
580 extern int openp (char *, int, char *, int, int, char **);
582 extern int source_full_path_of (char *, char **);
584 extern void mod_path (char *, char **);
586 extern void directory_command (char *, int);
588 extern void init_source_path (void);
590 extern char *symtab_to_filename (struct symtab *);
594 extern void exec_set_section_offsets (bfd_signed_vma text_off,
595 bfd_signed_vma data_off,
596 bfd_signed_vma bss_off);
600 extern int read_relative_register_raw_bytes (int, char *);
602 /* Possible lvalue types. Like enum language, this should be in
603 value.h, but needs to be here for the same reason. */
609 /* In memory. Could be a saved register. */
613 /* In a gdb internal variable. */
615 /* Part of a gdb internal variable (structure field). */
616 lval_internalvar_component,
617 /* In a register series in a frame not the current one, which may have been
618 partially saved or saved in different places (otherwise would be
619 lval_register or lval_memory). */
620 lval_reg_frame_relative
625 void default_get_saved_register (char *raw_buffer, int *optimized,
627 struct frame_info *frame, int regnum,
628 enum lval_type *lval);
630 /* From readline (but not in any readline .h files). */
632 extern char *tilde_expand (char *);
634 /* Control types for commands */
636 enum misc_command_type
644 enum command_control_type
654 /* Structure for saved commands lines
655 (for breakpoints, defined commands, etc). */
659 struct command_line *next;
661 enum command_control_type control_type;
663 struct command_line **body_list;
666 extern struct command_line *read_command_lines (char *, int);
668 extern void free_command_lines (struct command_line **);
670 /* To continue the execution commands when running gdb asynchronously.
671 A continuation structure contains a pointer to a function to be called
672 to finish the command, once the target has stopped. Such mechanism is
673 used bt the finish and until commands, and in the remote protocol
674 when opening an extended-remote connection. */
676 struct continuation_arg
678 struct continuation_arg *next;
684 void (*continuation_hook) (struct continuation_arg *);
685 struct continuation_arg *arg_list;
686 struct continuation *next;
688 struct continuation continuation;
691 extern struct continuation *cmd_continuation;
692 /* Used only by the step_1 function. */
693 extern struct continuation *intermediate_continuation;
696 extern void add_continuation (void (*)(struct continuation_arg *),
697 struct continuation_arg *);
698 extern void do_all_continuations (void);
699 extern void discard_all_continuations (void);
701 extern void add_intermediate_continuation (void (*)(struct continuation_arg *),
702 struct continuation_arg *);
703 extern void do_all_intermediate_continuations (void);
704 extern void discard_all_intermediate_continuations (void);
706 /* String containing the current directory (what getwd would return). */
708 extern char *current_directory;
710 /* Default radixes for input and output. Only some values supported. */
711 extern unsigned input_radix;
712 extern unsigned output_radix;
714 /* Possibilities for prettyprint parameters to routines which print
715 things. Like enum language, this should be in value.h, but needs
716 to be here for the same reason. FIXME: If we can eliminate this
717 as an arg to LA_VAL_PRINT, then we can probably move it back to
722 Val_no_prettyprint = 0,
724 /* Use the default setting which the user has specified. */
729 /* Host machine definition. This will be a symlink to one of the
730 xm-*.h files, built by the `configure' script. */
734 /* Native machine support. This will be a symlink to one of the
735 nm-*.h files, built by the `configure' script. */
739 /* Target machine definition. This will be a symlink to one of the
740 tm-*.h files, built by the `configure' script. */
744 /* If the xm.h file did not define the mode string used to open the
745 files, assume that binary files are opened the same way as text
748 #include "fopen-same.h"
751 /* Microsoft C can't deal with const pointers */
756 #define CONST_PTR const
760 * Allow things in gdb to be declared "volatile". If compiling ANSI, it
761 * just works. If compiling with gcc but non-ansi, redefine to __volatile__.
762 * If non-ansi, non-gcc, then eliminate "volatile" entirely, making those
763 * objects be read-write rather than read-only.
769 #define volatile __volatile__
771 #define volatile /* nothing */
774 #endif /* volatile */
776 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
777 FIXME: Assumes 2's complement arithmetic */
779 #if !defined (UINT_MAX)
780 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
783 #if !defined (INT_MAX)
784 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
787 #if !defined (INT_MIN)
788 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
791 #if !defined (ULONG_MAX)
792 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
795 #if !defined (LONG_MAX)
796 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
799 #if !defined (ULONGEST_MAX)
800 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 32-bits */
803 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 32-bits */
804 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
807 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
808 arguments to a function, number in a value history, register number, etc.)
809 where the value must not be larger than can fit in an int. */
811 extern int longest_to_int (LONGEST);
813 /* Assorted functions we can declare, now that const and volatile are
816 extern char *savestring (const char *, int);
818 extern char *msavestring (void *, const char *, int);
820 extern char *strsave (const char *);
822 extern char *mstrsave (void *, const char *);
824 /* FIXME; was long, but this causes compile errors in msvc if already
827 extern PTR xmmalloc (PTR, size_t);
828 extern PTR xmrealloc (PTR, PTR, size_t);
830 extern PTR xmmalloc (PTR, long);
831 extern PTR xmrealloc (PTR, PTR, long);
834 extern int parse_escape (char **);
836 /* Message to be printed before the error message, when an error occurs. */
838 extern char *error_pre_print;
840 /* Message to be printed before the error message, when an error occurs. */
842 extern char *quit_pre_print;
844 /* Message to be printed before the warning message, when a warning occurs. */
846 extern char *warning_pre_print;
848 extern NORETURN void verror (const char *fmt, va_list ap) ATTR_NORETURN;
850 extern NORETURN void error (const char *fmt, ...) ATTR_NORETURN;
852 /* DEPRECATED: Use error(), verror() or error_stream(). */
853 extern NORETURN void error_begin (void);
855 extern NORETURN void error_stream (GDB_FILE *) ATTR_NORETURN;
857 /* Returns a freshly allocate buffer containing the last error
859 extern char *error_last_message (void);
861 extern NORETURN void internal_verror (const char *, va_list ap) ATTR_NORETURN;
863 extern NORETURN void internal_error (char *, ...) ATTR_NORETURN;
865 extern NORETURN void nomem (long) ATTR_NORETURN;
867 /* Reasons for calling return_to_top_level. */
871 /* User interrupt. */
873 /* Any other error. */
877 #define ALL_CLEANUPS ((struct cleanup *)0)
879 #define RETURN_MASK_QUIT (1 << (int)RETURN_QUIT)
880 #define RETURN_MASK_ERROR (1 << (int)RETURN_ERROR)
881 #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
882 typedef int return_mask;
884 extern NORETURN void return_to_top_level (enum return_reason) ATTR_NORETURN;
886 /* If CATCH_ERRORS_FTYPE throws an error, catch_errors() returns zero
887 otherwize the result from CATCH_ERRORS_FTYPE is returned. It is
888 probably useful for CATCH_ERRORS_FTYPE to always return a non-zero
889 value. It's unfortunate that, catch_errors() does not return an
890 indication of the exact exception that it caught - quit_flag might
893 typedef int (catch_errors_ftype) (PTR);
894 extern int catch_errors (catch_errors_ftype *, PTR, char *, return_mask);
896 /* Template to catch_errors() that wraps calls to command
899 typedef void (catch_command_errors_ftype) (char *, int);
900 extern int catch_command_errors (catch_command_errors_ftype *func, char *command, int from_tty, return_mask);
902 extern void warning_begin (void);
904 extern void warning (const char *, ...) ATTR_FORMAT (printf, 1, 2);
906 /* Global functions from other, non-gdb GNU thingies.
907 Libiberty thingies are no longer declared here. We include libiberty.h
910 #ifndef GETENV_PROVIDED
911 extern char *getenv (const char *);
914 /* From other system libraries */
921 #if defined(_MSC_VER) && !defined(__cplusplus)
922 /* msvc defines these in stdlib.h for c code */
929 #define min(a, b) ((a) < (b) ? (a) : (b))
932 #define max(a, b) ((a) > (b) ? (a) : (b))
936 /* We take the address of fclose later, but some stdio's forget
937 to declare this. We can't always declare it since there's
938 no way to declare the parameters without upsetting some compiler
941 #ifndef FCLOSE_PROVIDED
942 extern int fclose (FILE *);
946 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
949 #ifndef MALLOC_INCOMPATIBLE
951 #ifdef NEED_DECLARATION_MALLOC
952 extern PTR malloc ();
955 #ifdef NEED_DECLARATION_REALLOC
956 extern PTR realloc ();
959 #ifdef NEED_DECLARATION_FREE
963 #endif /* MALLOC_INCOMPATIBLE */
965 /* Various possibilities for alloca. */
968 #define alloca __builtin_alloca
969 #else /* Not GNU C */
977 /* We need to be careful not to declare this in a way which conflicts with
978 bison. Bison never declares it as char *, but under various circumstances
979 (like __hpux) we need to use void *. */
980 #if defined (__STDC__) || defined (__hpux)
981 extern void *alloca ();
982 #else /* Don't use void *. */
983 extern char *alloca ();
984 #endif /* Don't use void *. */
985 #endif /* Not _AIX */
986 #endif /* Not HAVE_ALLOCA_H */
987 #endif /* Not GNU C */
988 #endif /* alloca not defined */
990 /* HOST_BYTE_ORDER must be defined to one of these. */
996 #if !defined (BIG_ENDIAN)
997 #define BIG_ENDIAN 4321
1000 #if !defined (LITTLE_ENDIAN)
1001 #define LITTLE_ENDIAN 1234
1004 /* Dynamic target-system-dependent parameters for GDB. */
1005 #include "gdbarch.h"
1007 /* Static target-system-dependent parameters for GDB. */
1009 /* Number of bits in a char or unsigned char for the target machine.
1010 Just like CHAR_BIT in <limits.h> but describes the target machine. */
1011 #if !defined (TARGET_CHAR_BIT)
1012 #define TARGET_CHAR_BIT 8
1015 /* Number of bits in a short or unsigned short for the target machine. */
1016 #if !defined (TARGET_SHORT_BIT)
1017 #define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT)
1020 /* Number of bits in an int or unsigned int for the target machine. */
1021 #if !defined (TARGET_INT_BIT)
1022 #define TARGET_INT_BIT (4 * TARGET_CHAR_BIT)
1025 /* Number of bits in a long or unsigned long for the target machine. */
1026 #if !defined (TARGET_LONG_BIT)
1027 #define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT)
1030 /* Number of bits in a long long or unsigned long long for the target machine. */
1031 #if !defined (TARGET_LONG_LONG_BIT)
1032 #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT)
1035 /* Number of bits in a float for the target machine. */
1036 #if !defined (TARGET_FLOAT_BIT)
1037 #define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT)
1040 /* Number of bits in a double for the target machine. */
1041 #if !defined (TARGET_DOUBLE_BIT)
1042 #define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT)
1045 /* Number of bits in a long double for the target machine. */
1046 #if !defined (TARGET_LONG_DOUBLE_BIT)
1047 #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT)
1050 /* Number of bits in a pointer for the target machine */
1051 #if !defined (TARGET_PTR_BIT)
1052 #define TARGET_PTR_BIT TARGET_INT_BIT
1055 /* If we picked up a copy of CHAR_BIT from a configuration file
1056 (which may get it by including <limits.h>) then use it to set
1057 the number of bits in a host char. If not, use the same size
1060 #if defined (CHAR_BIT)
1061 #define HOST_CHAR_BIT CHAR_BIT
1063 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1066 /* The bit byte-order has to do just with numbering of bits in
1067 debugging symbols and such. Conceptually, it's quite separate
1068 from byte/word byte order. */
1070 #if !defined (BITS_BIG_ENDIAN)
1071 #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN)
1076 extern LONGEST extract_signed_integer (void *, int);
1078 extern ULONGEST extract_unsigned_integer (void *, int);
1080 extern int extract_long_unsigned_integer (void *, int, LONGEST *);
1082 extern CORE_ADDR extract_address (void *, int);
1084 extern void store_signed_integer (PTR, int, LONGEST);
1086 extern void store_unsigned_integer (PTR, int, ULONGEST);
1088 extern void store_address (PTR, int, LONGEST);
1090 /* Setup definitions for host and target floating point formats. We need to
1091 consider the format for `float', `double', and `long double' for both target
1092 and host. We need to do this so that we know what kind of conversions need
1093 to be done when converting target numbers to and from the hosts DOUBLEST
1096 /* This is used to indicate that we don't know the format of the floating point
1097 number. Typically, this is useful for native ports, where the actual format
1098 is irrelevant, since no conversions will be taking place. */
1100 extern const struct floatformat floatformat_unknown;
1102 #if HOST_BYTE_ORDER == BIG_ENDIAN
1103 #ifndef HOST_FLOAT_FORMAT
1104 #define HOST_FLOAT_FORMAT &floatformat_ieee_single_big
1106 #ifndef HOST_DOUBLE_FORMAT
1107 #define HOST_DOUBLE_FORMAT &floatformat_ieee_double_big
1109 #else /* LITTLE_ENDIAN */
1110 #ifndef HOST_FLOAT_FORMAT
1111 #define HOST_FLOAT_FORMAT &floatformat_ieee_single_little
1113 #ifndef HOST_DOUBLE_FORMAT
1114 #define HOST_DOUBLE_FORMAT &floatformat_ieee_double_little
1118 #ifndef HOST_LONG_DOUBLE_FORMAT
1119 #define HOST_LONG_DOUBLE_FORMAT &floatformat_unknown
1122 #ifndef TARGET_FLOAT_FORMAT
1123 #define TARGET_FLOAT_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \
1124 ? &floatformat_ieee_single_big \
1125 : &floatformat_ieee_single_little)
1127 #ifndef TARGET_DOUBLE_FORMAT
1128 #define TARGET_DOUBLE_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \
1129 ? &floatformat_ieee_double_big \
1130 : &floatformat_ieee_double_little)
1133 #ifndef TARGET_LONG_DOUBLE_FORMAT
1134 #define TARGET_LONG_DOUBLE_FORMAT &floatformat_unknown
1137 /* Use `long double' if the host compiler supports it. (Note that this is not
1138 necessarily any longer than `double'. On SunOS/gcc, it's the same as
1139 double.) This is necessary because GDB internally converts all floating
1140 point values to the widest type supported by the host.
1142 There are problems however, when the target `long double' is longer than the
1143 host's `long double'. In general, we'll probably reduce the precision of
1144 any such values and print a warning. */
1146 #ifdef HAVE_LONG_DOUBLE
1147 typedef long double DOUBLEST;
1149 typedef double DOUBLEST;
1152 extern void floatformat_to_doublest (const struct floatformat *,
1153 char *, DOUBLEST *);
1154 extern void floatformat_from_doublest (const struct floatformat *,
1155 DOUBLEST *, char *);
1156 extern DOUBLEST extract_floating (void *, int);
1158 extern void store_floating (void *, int, DOUBLEST);
1160 /* On some machines there are bits in addresses which are not really
1161 part of the address, but are used by the kernel, the hardware, etc.
1162 for special purposes. ADDR_BITS_REMOVE takes out any such bits
1163 so we get a "real" address such as one would find in a symbol
1164 table. This is used only for addresses of instructions, and even then
1165 I'm not sure it's used in all contexts. It exists to deal with there
1166 being a few stray bits in the PC which would mislead us, not as some sort
1167 of generic thing to handle alignment or segmentation (it's possible it
1168 should be in TARGET_READ_PC instead). */
1169 #if !defined (ADDR_BITS_REMOVE)
1170 #define ADDR_BITS_REMOVE(addr) (addr)
1171 #endif /* No ADDR_BITS_REMOVE. */
1175 extern CORE_ADDR push_bytes (CORE_ADDR, char *, int);
1177 extern CORE_ADDR push_word (CORE_ADDR, ULONGEST);
1179 extern int watchdog;
1181 /* Hooks for alternate command interfaces. */
1182 struct target_waitstatus;
1183 struct cmd_list_element;
1185 /* Should the asynchronous variant of the interpreter (using the
1186 event-loop) be enabled? */
1187 extern int event_loop_p;
1189 extern void (*init_ui_hook) (char *argv0);
1190 extern void (*command_loop_hook) (void);
1191 extern void (*show_load_progress) (const char *section,
1192 unsigned long section_sent,
1193 unsigned long section_size,
1194 unsigned long total_sent,
1195 unsigned long total_size);
1196 /* NOTE: cagney/1999-10-14: fputs_unfiltered_hook is deprecated.
1197 Instead code wanting to control GDB's output should be overriding
1198 the gdb_std* files. */
1199 extern void (*fputs_unfiltered_hook) (const char *linebuffer,
1201 extern void (*print_frame_info_listing_hook) (struct symtab * s,
1202 int line, int stopline,
1204 extern struct frame_info *parse_frame_specification (char *frame_exp);
1205 extern int (*query_hook) (const char *, va_list);
1206 extern void (*warning_hook) (const char *, va_list);
1207 extern void (*flush_hook) (GDB_FILE * stream);
1208 extern void (*create_breakpoint_hook) (struct breakpoint * b);
1209 extern void (*delete_breakpoint_hook) (struct breakpoint * bpt);
1210 extern void (*modify_breakpoint_hook) (struct breakpoint * bpt);
1211 extern void (*interactive_hook) (void);
1212 extern void (*registers_changed_hook) (void);
1213 extern void (*readline_begin_hook) (char *,...);
1214 extern char *(*readline_hook) (char *);
1215 extern void (*readline_end_hook) (void);
1216 extern void (*register_changed_hook) (int regno);
1217 extern void (*memory_changed_hook) (CORE_ADDR addr, int len);
1218 extern void (*context_hook) (int);
1219 extern int (*target_wait_hook) (int pid, struct target_waitstatus * status);
1221 extern void (*attach_hook) (void);
1222 extern void (*detach_hook) (void);
1223 extern void (*call_command_hook) (struct cmd_list_element * c,
1224 char *cmd, int from_tty);
1226 extern void (*set_hook) (struct cmd_list_element * c);
1228 extern NORETURN void (*error_hook) (void) ATTR_NORETURN;
1230 extern void (*error_begin_hook) (void);
1232 extern int (*ui_load_progress_hook) (const char *section, unsigned long num);
1235 /* Inhibit window interface if non-zero. */
1237 extern int use_windows;
1239 /* Symbolic definitions of filename-related things. */
1240 /* FIXME, this doesn't work very well if host and executable
1241 filesystems conventions are different. */
1243 #ifndef DIRNAME_SEPARATOR
1244 #define DIRNAME_SEPARATOR ':'
1248 #if defined(__GO32__)||defined(_WIN32)
1249 #define SLASH_P(X) ((X)=='\\')
1251 #define SLASH_P(X) ((X)=='/')
1256 #if defined(__GO32__)||defined(_WIN32)
1257 #define SLASH_CHAR '\\'
1259 #define SLASH_CHAR '/'
1263 #ifndef SLASH_STRING
1264 #if defined(__GO32__)||defined(_WIN32)
1265 #define SLASH_STRING "\\"
1267 #define SLASH_STRING "/"
1272 #define ROOTED_P(X) (SLASH_P((X)[0]))
1275 /* On some systems, PIDGET is defined to extract the inferior pid from
1276 an internal pid that has the thread id and pid in seperate bit
1277 fields. If not defined, then just use the entire internal pid as
1281 #define PIDGET(pid) (pid)
1284 /* If under Cygwin, provide backwards compatibility with older
1285 Cygwin compilers that don't define the current cpp define. */
1292 /* Define well known filenos if the system does not define them. */
1293 #ifndef STDIN_FILENO
1294 #define STDIN_FILENO 0
1296 #ifndef STDOUT_FILENO
1297 #define STDOUT_FILENO 1
1299 #ifndef STDERR_FILENO
1300 #define STDERR_FILENO 2
1303 /* If this definition isn't overridden by the header files, assume
1304 that isatty and fileno exist on this system. */
1306 #define ISATTY(FP) (isatty (fileno (FP)))
1309 #endif /* #ifndef DEFS_H */