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, 1989, 1991-1996, 1998-2000
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 STREQ_IW(a,b) (*(a) == *(b) ? !strcmp_iw ((a), (b)) : 0)
126 #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0)
128 /* The character GNU C++ uses to build identifiers that must be unique from
129 the program's identifiers (such as $this and $$vptr). */
130 #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */
132 /* Check if a character is one of the commonly used C++ marker characters. */
133 extern int is_cplus_marker (int);
135 /* use tui interface if non-zero */
136 extern int tui_version;
139 /* all invocations of TUIDO should have two sets of parens */
140 #define TUIDO(x) tuiDo x
145 /* enable xdb commands if set */
146 extern int xdb_commands;
148 /* enable dbx commands if set */
149 extern int dbx_commands;
151 extern int quit_flag;
152 extern int immediate_quit;
153 extern int sevenbit_strings;
155 extern void quit (void);
158 /* do twice to force compiler warning */
159 #define QUIT_FIXME "FIXME"
160 #define QUIT_FIXME "ignoring redefinition of QUIT"
163 if (quit_flag) quit (); \
164 if (interactive_hook) interactive_hook (); \
169 /* Languages represented in the symbol table and elsewhere.
170 This should probably be in language.h, but since enum's can't
171 be forward declared to satisfy opaque references before their
172 actual definition, needs to be here. */
176 language_unknown, /* Language not known */
177 language_auto, /* Placeholder for automatic setting */
179 language_cplus, /* C++ */
180 language_java, /* Java */
181 language_chill, /* Chill */
182 language_fortran, /* Fortran */
183 language_m2, /* Modula-2 */
184 language_asm, /* Assembly language */
185 language_scm /* Scheme / Guile */
192 unspecified_precision
195 /* the cleanup list records things that have to be undone
196 if an error happens (descriptors to be closed, memory to be freed, etc.)
197 Each link in the chain records a function to call and an
200 Use make_cleanup to add an element to the cleanup chain.
201 Use do_cleanups to do all cleanup actions back to a given
202 point in the chain. Use discard_cleanups to remove cleanups
203 from the chain back to a given point, not doing them. */
207 struct cleanup *next;
208 void (*function) (PTR);
213 /* The ability to declare that a function never returns is useful, but
214 not really required to compile GDB successfully, so the NORETURN and
215 ATTR_NORETURN macros normally expand into nothing. */
217 /* If compiling with older versions of GCC, a function may be declared
218 "volatile" to indicate that it does not return. */
221 #if defined(__GNUC__) \
222 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
223 #define NORETURN volatile
225 #define NORETURN /* nothing */
229 /* GCC 2.5 and later versions define a function attribute "noreturn",
230 which is the preferred way to declare that a function never returns.
231 However GCC 2.7 appears to be the first version in which this fully
232 works everywhere we use it. */
234 #ifndef ATTR_NORETURN
235 #if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 7
236 #define ATTR_NORETURN __attribute__ ((noreturn))
238 #define ATTR_NORETURN /* nothing */
243 #if defined(__GNUC__) && __GNUC__ >= 2 && __GNUC_MINOR__ >= 4
244 #define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
246 #define ATTR_FORMAT(type, x, y) /* nothing */
250 /* Needed for various prototypes */
255 /* From blockframe.c */
257 extern int inside_entry_func (CORE_ADDR);
259 extern int inside_entry_file (CORE_ADDR addr);
261 extern int inside_main_func (CORE_ADDR pc);
263 /* From ch-lang.c, for the moment. (FIXME) */
265 extern char *chill_demangle (const char *);
269 extern void initialize_utils (void);
271 extern void notice_quit (void);
273 extern int strcmp_iw (const char *, const char *);
275 extern int subset_compare (char *, char *);
277 extern char *safe_strerror (int);
279 extern char *safe_strsignal (int);
281 extern void init_malloc (void *);
283 extern void request_quit (int);
285 extern void do_cleanups (struct cleanup *);
286 extern void do_final_cleanups (struct cleanup *);
287 extern void do_my_cleanups (struct cleanup **, struct cleanup *);
288 extern void do_run_cleanups (struct cleanup *);
289 extern void do_exec_cleanups (struct cleanup *);
290 extern void do_exec_error_cleanups (struct cleanup *);
292 extern void discard_cleanups (struct cleanup *);
293 extern void discard_final_cleanups (struct cleanup *);
294 extern void discard_exec_error_cleanups (struct cleanup *);
295 extern void discard_my_cleanups (struct cleanup **, struct cleanup *);
297 /* DEPRECATED: cagney/2000-03-04: Do not use this typedef to cast
298 function pointers so that they match the argument to the various
299 cleanup functions. Post GDB 5.0, this typedef will be
300 deleted. [Editors note: cagney was the person that added most of
302 typedef void (*make_cleanup_func) (void *);
304 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
305 make_cleanup function declarations below. Do not use this typedef
306 as a cast when passing functions into the make_cleanup() code.
307 Instead either use a bounce function or add a wrapper function.
308 Calling a f(char*) function with f(void*) is non-portable. */
309 typedef void (make_cleanup_ftype) (void *);
311 extern struct cleanup *make_cleanup (make_cleanup_ftype *, void *);
313 extern struct cleanup *make_cleanup_freeargv (char **);
316 extern struct cleanup *make_cleanup_ui_file_delete (struct ui_file *);
318 extern struct cleanup *make_final_cleanup (make_cleanup_ftype *, void *);
320 extern struct cleanup *make_my_cleanup (struct cleanup **,
321 make_cleanup_ftype *, void *);
323 extern struct cleanup *make_run_cleanup (make_cleanup_ftype *, void *);
325 extern struct cleanup *make_exec_cleanup (make_cleanup_ftype *, void *);
326 extern struct cleanup *make_exec_error_cleanup (make_cleanup_ftype *, void *);
328 extern struct cleanup *save_cleanups (void);
329 extern struct cleanup *save_final_cleanups (void);
330 extern struct cleanup *save_my_cleanups (struct cleanup **);
332 extern void restore_cleanups (struct cleanup *);
333 extern void restore_final_cleanups (struct cleanup *);
334 extern void restore_my_cleanups (struct cleanup **, struct cleanup *);
336 extern void free_current_contents (char **);
338 extern void null_cleanup (void *);
340 extern int myread (int, char *, int);
342 extern int query (char *, ...) ATTR_FORMAT (printf, 1, 2);
344 #if !defined (USE_MMALLOC)
345 /* NOTE: cagney/2000-03-04: The mmalloc functions need to use PTR
346 rather than void* so that they are consistent with
347 ../mmalloc/mmalloc.h. */
348 extern PTR mcalloc (PTR, size_t, size_t);
349 extern PTR mmalloc (PTR, size_t);
350 extern PTR mrealloc (PTR, PTR, size_t);
351 extern void mfree (PTR, PTR);
354 extern void init_page_info (void);
356 /* From demangle.c */
358 extern void set_demangling_style (char *);
363 typedef int (use_struct_convention_fn) (int gcc_p, struct type * value_type);
364 extern use_struct_convention_fn generic_use_struct_convention;
366 typedef unsigned char *(breakpoint_from_pc_fn) (CORE_ADDR * pcptr, int *lenptr);
368 /* Annotation stuff. */
370 extern int annotation_level; /* in stack.c */
372 extern void begin_line (void);
374 extern void wrap_here (char *);
376 extern void reinitialize_more_filter (void);
379 extern struct ui_file *gdb_stdout;
380 /* Serious error notifications */
381 extern struct ui_file *gdb_stderr;
382 /* Log/debug/trace messages that should bypass normal stdout/stderr
383 filtering. For momement, always call this stream using
384 *_unfiltered. In the very near future that restriction shall be
385 removed - either call shall be unfiltered. (cagney 1999-06-13). */
386 extern struct ui_file *gdb_stdlog;
387 /* Target output that should bypass normal stdout/stderr filtering.
388 For momement, always call this stream using *_unfiltered. In the
389 very near future that restriction shall be removed - either call
390 shall be unfiltered. (cagney 1999-07-02). */
391 extern struct ui_file *gdb_stdtarg;
395 #include "tuiCommand.h"
398 #include "tuiLayout.h"
404 /* More generic printf like operations */
406 extern void fputs_filtered (const char *, struct ui_file *);
408 extern void fputs_unfiltered (const char *, struct ui_file *);
410 extern int fputc_filtered (int c, struct ui_file *);
412 extern int fputc_unfiltered (int c, struct ui_file *);
414 extern int putchar_unfiltered (int c);
416 extern void puts_filtered (const char *);
418 extern void puts_unfiltered (const char *);
420 extern void puts_debug (char *prefix, char *string, char *suffix);
422 extern void vprintf_filtered (const char *, va_list) ATTR_FORMAT (printf, 1, 0);
424 extern void vfprintf_filtered (struct ui_file *, const char *, va_list) ATTR_FORMAT (printf, 2, 0);
426 extern void fprintf_filtered (struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 2, 3);
428 extern void fprintfi_filtered (int, struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 3, 4);
430 extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf, 1, 2);
432 extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf, 2, 3);
434 extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf, 1, 0);
436 extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list) ATTR_FORMAT (printf, 2, 0);
438 extern void fprintf_unfiltered (struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 2, 3);
440 extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (printf, 1, 2);
442 extern void print_spaces (int, struct ui_file *);
444 extern void print_spaces_filtered (int, struct ui_file *);
446 extern char *n_spaces (int);
448 extern void fputstr_filtered (const char *str, int quotr, struct ui_file * stream);
450 extern void fputstr_unfiltered (const char *str, int quotr, struct ui_file * stream);
452 extern void fputstrn_unfiltered (const char *str, int n, int quotr, struct ui_file * stream);
454 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
455 extern void gdb_print_host_address (void *addr, struct ui_file *stream);
457 /* Convert a CORE_ADDR into a HEX string. paddr() is like %08lx.
458 paddr_nz() is like %lx. paddr_u() is like %lu. paddr_width() is
460 extern int strlen_paddr (void);
461 extern char *paddr (CORE_ADDR addr);
462 extern char *paddr_nz (CORE_ADDR addr);
463 extern char *paddr_u (CORE_ADDR addr);
464 extern char *paddr_d (LONGEST addr);
466 typedef bfd_vma t_reg;
467 extern char *preg (t_reg reg);
468 extern char *preg_nz (t_reg reg);
470 extern void fprintf_symbol_filtered (struct ui_file *, char *,
473 extern NORETURN void perror_with_name (char *) ATTR_NORETURN;
475 extern void print_sys_errmsg (char *, int);
477 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
478 "const char *" in unistd.h, so we can't declare the argument
481 extern char *re_comp (const char *);
485 extern void symbol_file_command (char *, int);
487 /* Remote targets may wish to use this as their load function. */
488 extern void generic_load (char *name, int from_tty);
490 /* Summarise a download */
491 extern void print_transfer_performance (struct ui_file *stream,
492 unsigned long data_count,
493 unsigned long write_count,
494 unsigned long time_count);
498 typedef void initialize_file_ftype (void);
500 extern char *skip_quoted (char *);
502 extern char *gdb_readline (char *);
504 extern char *command_line_input (char *, int, char *);
506 extern void print_prompt (void);
508 extern int input_from_terminal_p (void);
510 extern int info_verbose;
512 /* From printcmd.c */
514 extern void set_next_address (CORE_ADDR);
516 extern void print_address_symbolic (CORE_ADDR, struct ui_file *, int,
519 extern int build_address_symbolic (CORE_ADDR addr,
527 extern void print_address_numeric (CORE_ADDR, int, struct ui_file *);
529 extern void print_address (CORE_ADDR, struct ui_file *);
533 extern int openp (char *, int, char *, int, int, char **);
535 extern int source_full_path_of (char *, char **);
537 extern void mod_path (char *, char **);
539 extern void directory_command (char *, int);
541 extern void init_source_path (void);
543 extern char *symtab_to_filename (struct symtab *);
547 extern void exec_set_section_offsets (bfd_signed_vma text_off,
548 bfd_signed_vma data_off,
549 bfd_signed_vma bss_off);
553 extern int read_relative_register_raw_bytes (int, char *);
555 /* Possible lvalue types. Like enum language, this should be in
556 value.h, but needs to be here for the same reason. */
562 /* In memory. Could be a saved register. */
566 /* In a gdb internal variable. */
568 /* Part of a gdb internal variable (structure field). */
569 lval_internalvar_component,
570 /* In a register series in a frame not the current one, which may have been
571 partially saved or saved in different places (otherwise would be
572 lval_register or lval_memory). */
573 lval_reg_frame_relative
578 void default_get_saved_register (char *raw_buffer, int *optimized,
580 struct frame_info *frame, int regnum,
581 enum lval_type *lval);
583 /* From readline (but not in any readline .h files). */
585 extern char *tilde_expand (char *);
587 /* Control types for commands */
589 enum misc_command_type
597 enum command_control_type
607 /* Structure for saved commands lines
608 (for breakpoints, defined commands, etc). */
612 struct command_line *next;
614 enum command_control_type control_type;
616 struct command_line **body_list;
619 extern struct command_line *read_command_lines (char *, int);
621 extern void free_command_lines (struct command_line **);
623 /* To continue the execution commands when running gdb asynchronously.
624 A continuation structure contains a pointer to a function to be called
625 to finish the command, once the target has stopped. Such mechanism is
626 used bt the finish and until commands, and in the remote protocol
627 when opening an extended-remote connection. */
629 struct continuation_arg
631 struct continuation_arg *next;
637 void (*continuation_hook) (struct continuation_arg *);
638 struct continuation_arg *arg_list;
639 struct continuation *next;
641 struct continuation continuation;
644 extern struct continuation *cmd_continuation;
645 /* Used only by the step_1 function. */
646 extern struct continuation *intermediate_continuation;
649 extern void add_continuation (void (*)(struct continuation_arg *),
650 struct continuation_arg *);
651 extern void do_all_continuations (void);
652 extern void discard_all_continuations (void);
654 extern void add_intermediate_continuation (void (*)(struct continuation_arg *),
655 struct continuation_arg *);
656 extern void do_all_intermediate_continuations (void);
657 extern void discard_all_intermediate_continuations (void);
659 /* String containing the current directory (what getwd would return). */
661 extern char *current_directory;
663 /* Default radixes for input and output. Only some values supported. */
664 extern unsigned input_radix;
665 extern unsigned output_radix;
667 /* Possibilities for prettyprint parameters to routines which print
668 things. Like enum language, this should be in value.h, but needs
669 to be here for the same reason. FIXME: If we can eliminate this
670 as an arg to LA_VAL_PRINT, then we can probably move it back to
675 Val_no_prettyprint = 0,
677 /* Use the default setting which the user has specified. */
682 /* Host machine definition. This will be a symlink to one of the
683 xm-*.h files, built by the `configure' script. */
687 /* Native machine support. This will be a symlink to one of the
688 nm-*.h files, built by the `configure' script. */
692 /* Target machine definition. This will be a symlink to one of the
693 tm-*.h files, built by the `configure' script. */
697 /* If the xm.h file did not define the mode string used to open the
698 files, assume that binary files are opened the same way as text
701 #include "fopen-same.h"
704 /* Microsoft C can't deal with const pointers */
709 #define CONST_PTR const
713 * Allow things in gdb to be declared "volatile". If compiling ANSI, it
714 * just works. If compiling with gcc but non-ansi, redefine to __volatile__.
715 * If non-ansi, non-gcc, then eliminate "volatile" entirely, making those
716 * objects be read-write rather than read-only.
722 #define volatile __volatile__
724 #define volatile /* nothing */
727 #endif /* volatile */
729 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
730 FIXME: Assumes 2's complement arithmetic */
732 #if !defined (UINT_MAX)
733 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
736 #if !defined (INT_MAX)
737 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
740 #if !defined (INT_MIN)
741 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
744 #if !defined (ULONG_MAX)
745 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
748 #if !defined (LONG_MAX)
749 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
752 #if !defined (ULONGEST_MAX)
753 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 32-bits */
756 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 32-bits */
757 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
760 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
761 arguments to a function, number in a value history, register number, etc.)
762 where the value must not be larger than can fit in an int. */
764 extern int longest_to_int (LONGEST);
766 /* Assorted functions we can declare, now that const and volatile are
769 extern char *savestring (const char *, int);
771 extern char *msavestring (void *, const char *, int);
773 extern char *strsave (const char *);
775 extern char *mstrsave (void *, const char *);
777 /* FIXME; was long, but this causes compile errors in msvc if already
780 extern PTR xmmalloc (PTR, size_t);
781 extern PTR xmrealloc (PTR, PTR, size_t);
783 extern PTR xmmalloc (PTR, long);
784 extern PTR xmrealloc (PTR, PTR, long);
787 extern int parse_escape (char **);
789 /* Message to be printed before the error message, when an error occurs. */
791 extern char *error_pre_print;
793 /* Message to be printed before the error message, when an error occurs. */
795 extern char *quit_pre_print;
797 /* Message to be printed before the warning message, when a warning occurs. */
799 extern char *warning_pre_print;
801 extern NORETURN void verror (const char *fmt, va_list ap) ATTR_NORETURN;
803 extern NORETURN void error (const char *fmt, ...) ATTR_NORETURN;
805 /* DEPRECATED: Use error(), verror() or error_stream(). */
806 extern NORETURN void error_begin (void);
808 extern NORETURN void error_stream (struct ui_file *) ATTR_NORETURN;
810 /* Returns a freshly allocate buffer containing the last error
812 extern char *error_last_message (void);
814 extern NORETURN void internal_verror (const char *, va_list ap) ATTR_NORETURN;
816 extern NORETURN void internal_error (char *, ...) ATTR_NORETURN;
818 extern NORETURN void nomem (long) ATTR_NORETURN;
820 /* Reasons for calling return_to_top_level. Note: enum value 0 is
821 reserved for internal use as the return value from an initial
826 /* User interrupt. */
828 /* Any other error. */
832 #define ALL_CLEANUPS ((struct cleanup *)0)
834 #define RETURN_MASK(reason) (1 << (int)(reason))
835 #define RETURN_MASK_QUIT RETURN_MASK (RETURN_QUIT)
836 #define RETURN_MASK_ERROR RETURN_MASK (RETURN_ERROR)
837 #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
838 typedef int return_mask;
840 extern NORETURN void return_to_top_level (enum return_reason) ATTR_NORETURN;
842 /* If CATCH_ERRORS_FTYPE throws an error, catch_errors() returns zero
843 otherwize the result from CATCH_ERRORS_FTYPE is returned. It is
844 probably useful for CATCH_ERRORS_FTYPE to always return a non-zero
845 value. It's unfortunate that, catch_errors() does not return an
846 indication of the exact exception that it caught - quit_flag might
849 typedef int (catch_errors_ftype) (PTR);
850 extern int catch_errors (catch_errors_ftype *, PTR, char *, return_mask);
852 /* Template to catch_errors() that wraps calls to command
855 typedef void (catch_command_errors_ftype) (char *, int);
856 extern int catch_command_errors (catch_command_errors_ftype *func, char *command, int from_tty, return_mask);
858 extern void warning_begin (void);
860 extern void warning (const char *, ...) ATTR_FORMAT (printf, 1, 2);
862 /* Global functions from other, non-gdb GNU thingies.
863 Libiberty thingies are no longer declared here. We include libiberty.h
866 #ifndef GETENV_PROVIDED
867 extern char *getenv (const char *);
870 /* From other system libraries */
877 #if defined(_MSC_VER) && !defined(__cplusplus)
878 /* msvc defines these in stdlib.h for c code */
885 #define min(a, b) ((a) < (b) ? (a) : (b))
888 #define max(a, b) ((a) > (b) ? (a) : (b))
892 /* We take the address of fclose later, but some stdio's forget
893 to declare this. We can't always declare it since there's
894 no way to declare the parameters without upsetting some compiler
897 #ifndef FCLOSE_PROVIDED
898 extern int fclose (FILE *);
902 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
905 #ifndef MALLOC_INCOMPATIBLE
907 #ifdef NEED_DECLARATION_MALLOC
908 extern PTR malloc ();
911 #ifdef NEED_DECLARATION_REALLOC
912 extern PTR realloc ();
915 #ifdef NEED_DECLARATION_FREE
919 #endif /* MALLOC_INCOMPATIBLE */
921 /* Various possibilities for alloca. */
924 #define alloca __builtin_alloca
925 #else /* Not GNU C */
933 /* We need to be careful not to declare this in a way which conflicts with
934 bison. Bison never declares it as char *, but under various circumstances
935 (like __hpux) we need to use void *. */
936 #if defined (__STDC__) || defined (__hpux)
937 extern void *alloca ();
938 #else /* Don't use void *. */
939 extern char *alloca ();
940 #endif /* Don't use void *. */
941 #endif /* Not _AIX */
942 #endif /* Not HAVE_ALLOCA_H */
943 #endif /* Not GNU C */
944 #endif /* alloca not defined */
946 /* HOST_BYTE_ORDER must be defined to one of these. */
952 #if !defined (BIG_ENDIAN)
953 #define BIG_ENDIAN 4321
956 #if !defined (LITTLE_ENDIAN)
957 #define LITTLE_ENDIAN 1234
960 /* Dynamic target-system-dependent parameters for GDB. */
963 /* Static target-system-dependent parameters for GDB. */
965 /* Number of bits in a char or unsigned char for the target machine.
966 Just like CHAR_BIT in <limits.h> but describes the target machine. */
967 #if !defined (TARGET_CHAR_BIT)
968 #define TARGET_CHAR_BIT 8
971 /* Number of bits in a short or unsigned short for the target machine. */
972 #if !defined (TARGET_SHORT_BIT)
973 #define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT)
976 /* Number of bits in an int or unsigned int for the target machine. */
977 #if !defined (TARGET_INT_BIT)
978 #define TARGET_INT_BIT (4 * TARGET_CHAR_BIT)
981 /* Number of bits in a long or unsigned long for the target machine. */
982 #if !defined (TARGET_LONG_BIT)
983 #define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT)
986 /* Number of bits in a long long or unsigned long long for the target machine. */
987 #if !defined (TARGET_LONG_LONG_BIT)
988 #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT)
991 /* Number of bits in a float for the target machine. */
992 #if !defined (TARGET_FLOAT_BIT)
993 #define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT)
996 /* Number of bits in a double for the target machine. */
997 #if !defined (TARGET_DOUBLE_BIT)
998 #define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT)
1001 /* Number of bits in a long double for the target machine. */
1002 #if !defined (TARGET_LONG_DOUBLE_BIT)
1003 #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT)
1006 /* Number of bits in a pointer for the target machine */
1007 #if !defined (TARGET_PTR_BIT)
1008 #define TARGET_PTR_BIT TARGET_INT_BIT
1011 /* Number of bits in a BFD_VMA for the target object file format. */
1012 #if !defined (TARGET_BFD_VMA_BIT)
1013 #define TARGET_BFD_VMA_BIT TARGET_PTR_BIT
1016 /* If we picked up a copy of CHAR_BIT from a configuration file
1017 (which may get it by including <limits.h>) then use it to set
1018 the number of bits in a host char. If not, use the same size
1021 #if defined (CHAR_BIT)
1022 #define HOST_CHAR_BIT CHAR_BIT
1024 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1027 /* The bit byte-order has to do just with numbering of bits in
1028 debugging symbols and such. Conceptually, it's quite separate
1029 from byte/word byte order. */
1031 #if !defined (BITS_BIG_ENDIAN)
1032 #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN)
1037 extern LONGEST extract_signed_integer (void *, int);
1039 extern ULONGEST extract_unsigned_integer (void *, int);
1041 extern int extract_long_unsigned_integer (void *, int, LONGEST *);
1043 extern CORE_ADDR extract_address (void *, int);
1045 extern void store_signed_integer (void *, int, LONGEST);
1047 extern void store_unsigned_integer (void *, int, ULONGEST);
1049 extern void store_address (void *, int, LONGEST);
1051 /* Setup definitions for host and target floating point formats. We need to
1052 consider the format for `float', `double', and `long double' for both target
1053 and host. We need to do this so that we know what kind of conversions need
1054 to be done when converting target numbers to and from the hosts DOUBLEST
1057 /* This is used to indicate that we don't know the format of the floating point
1058 number. Typically, this is useful for native ports, where the actual format
1059 is irrelevant, since no conversions will be taking place. */
1061 extern const struct floatformat floatformat_unknown;
1063 #if HOST_BYTE_ORDER == BIG_ENDIAN
1064 #ifndef HOST_FLOAT_FORMAT
1065 #define HOST_FLOAT_FORMAT &floatformat_ieee_single_big
1067 #ifndef HOST_DOUBLE_FORMAT
1068 #define HOST_DOUBLE_FORMAT &floatformat_ieee_double_big
1070 #else /* LITTLE_ENDIAN */
1071 #ifndef HOST_FLOAT_FORMAT
1072 #define HOST_FLOAT_FORMAT &floatformat_ieee_single_little
1074 #ifndef HOST_DOUBLE_FORMAT
1075 #define HOST_DOUBLE_FORMAT &floatformat_ieee_double_little
1079 #ifndef HOST_LONG_DOUBLE_FORMAT
1080 #define HOST_LONG_DOUBLE_FORMAT &floatformat_unknown
1083 #ifndef TARGET_FLOAT_FORMAT
1084 #define TARGET_FLOAT_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \
1085 ? &floatformat_ieee_single_big \
1086 : &floatformat_ieee_single_little)
1088 #ifndef TARGET_DOUBLE_FORMAT
1089 #define TARGET_DOUBLE_FORMAT (TARGET_BYTE_ORDER == BIG_ENDIAN \
1090 ? &floatformat_ieee_double_big \
1091 : &floatformat_ieee_double_little)
1094 #ifndef TARGET_LONG_DOUBLE_FORMAT
1095 #define TARGET_LONG_DOUBLE_FORMAT &floatformat_unknown
1098 /* Use `long double' if the host compiler supports it. (Note that this is not
1099 necessarily any longer than `double'. On SunOS/gcc, it's the same as
1100 double.) This is necessary because GDB internally converts all floating
1101 point values to the widest type supported by the host.
1103 There are problems however, when the target `long double' is longer than the
1104 host's `long double'. In general, we'll probably reduce the precision of
1105 any such values and print a warning. */
1107 #ifdef HAVE_LONG_DOUBLE
1108 typedef long double DOUBLEST;
1110 typedef double DOUBLEST;
1113 extern void floatformat_to_doublest (const struct floatformat *,
1114 char *, DOUBLEST *);
1115 extern void floatformat_from_doublest (const struct floatformat *,
1116 DOUBLEST *, char *);
1117 extern DOUBLEST extract_floating (void *, int);
1119 extern void store_floating (void *, int, DOUBLEST);
1121 /* On some machines there are bits in addresses which are not really
1122 part of the address, but are used by the kernel, the hardware, etc.
1123 for special purposes. ADDR_BITS_REMOVE takes out any such bits
1124 so we get a "real" address such as one would find in a symbol
1125 table. This is used only for addresses of instructions, and even then
1126 I'm not sure it's used in all contexts. It exists to deal with there
1127 being a few stray bits in the PC which would mislead us, not as some sort
1128 of generic thing to handle alignment or segmentation (it's possible it
1129 should be in TARGET_READ_PC instead). */
1130 #if !defined (ADDR_BITS_REMOVE)
1131 #define ADDR_BITS_REMOVE(addr) (addr)
1132 #endif /* No ADDR_BITS_REMOVE. */
1136 extern CORE_ADDR push_bytes (CORE_ADDR, char *, int);
1138 extern CORE_ADDR push_word (CORE_ADDR, ULONGEST);
1140 extern int watchdog;
1142 /* Hooks for alternate command interfaces. */
1145 /* The name of the interpreter if specified on the command line. */
1146 extern char *interpreter_p;
1149 /* If a given interpreter matches INTERPRETER_P then it should update
1150 command_loop_hook and init_ui_hook with the per-interpreter
1152 /* FIXME: command_loop_hook and init_ui_hook should be moved here. */
1154 struct target_waitstatus;
1155 struct cmd_list_element;
1157 /* Should the asynchronous variant of the interpreter (using the
1158 event-loop) be enabled? */
1159 extern int event_loop_p;
1161 extern void (*init_ui_hook) (char *argv0);
1162 extern void (*command_loop_hook) (void);
1163 extern void (*show_load_progress) (const char *section,
1164 unsigned long section_sent,
1165 unsigned long section_size,
1166 unsigned long total_sent,
1167 unsigned long total_size);
1168 extern void (*print_frame_info_listing_hook) (struct symtab * s,
1169 int line, int stopline,
1171 extern struct frame_info *parse_frame_specification (char *frame_exp);
1172 extern int (*query_hook) (const char *, va_list);
1173 extern void (*warning_hook) (const char *, va_list);
1174 extern void (*flush_hook) (struct ui_file * stream);
1175 extern void (*create_breakpoint_hook) (struct breakpoint * b);
1176 extern void (*delete_breakpoint_hook) (struct breakpoint * bpt);
1177 extern void (*modify_breakpoint_hook) (struct breakpoint * bpt);
1178 extern void (*interactive_hook) (void);
1179 extern void (*registers_changed_hook) (void);
1180 extern void (*readline_begin_hook) (char *,...);
1181 extern char *(*readline_hook) (char *);
1182 extern void (*readline_end_hook) (void);
1183 extern void (*register_changed_hook) (int regno);
1184 extern void (*memory_changed_hook) (CORE_ADDR addr, int len);
1185 extern void (*context_hook) (int);
1186 extern int (*target_wait_hook) (int pid, struct target_waitstatus * status);
1188 extern void (*attach_hook) (void);
1189 extern void (*detach_hook) (void);
1190 extern void (*call_command_hook) (struct cmd_list_element * c,
1191 char *cmd, int from_tty);
1193 extern void (*set_hook) (struct cmd_list_element * c);
1195 extern NORETURN void (*error_hook) (void) ATTR_NORETURN;
1197 extern void (*error_begin_hook) (void);
1199 extern int (*ui_load_progress_hook) (const char *section, unsigned long num);
1202 /* Inhibit window interface if non-zero. */
1204 extern int use_windows;
1206 /* Symbolic definitions of filename-related things. */
1207 /* FIXME, this doesn't work very well if host and executable
1208 filesystems conventions are different. */
1210 #ifndef DIRNAME_SEPARATOR
1211 #define DIRNAME_SEPARATOR ':'
1215 #if defined(__GO32__)||defined(_WIN32)
1216 #define SLASH_P(X) ((X)=='\\')
1218 #define SLASH_P(X) ((X)=='/')
1223 #if defined(__GO32__)||defined(_WIN32)
1224 #define SLASH_CHAR '\\'
1226 #define SLASH_CHAR '/'
1230 #ifndef SLASH_STRING
1231 #if defined(__GO32__)||defined(_WIN32)
1232 #define SLASH_STRING "\\"
1234 #define SLASH_STRING "/"
1239 #define ROOTED_P(X) (SLASH_P((X)[0]))
1242 /* On some systems, PIDGET is defined to extract the inferior pid from
1243 an internal pid that has the thread id and pid in seperate bit
1244 fields. If not defined, then just use the entire internal pid as
1248 #define PIDGET(PID) (PID)
1249 #define TIDGET(PID) 0
1250 #define MERGEPID(PID, TID) (PID)
1253 /* If under Cygwin, provide backwards compatibility with older
1254 Cygwin compilers that don't define the current cpp define. */
1261 /* Define well known filenos if the system does not define them. */
1262 #ifndef STDIN_FILENO
1263 #define STDIN_FILENO 0
1265 #ifndef STDOUT_FILENO
1266 #define STDOUT_FILENO 1
1268 #ifndef STDERR_FILENO
1269 #define STDERR_FILENO 2
1272 /* If this definition isn't overridden by the header files, assume
1273 that isatty and fileno exist on this system. */
1275 #define ISATTY(FP) (isatty (fileno (FP)))
1279 /* FIXME: cagney/1999-12-13: The following will be moved to gdb.h /
1280 libgdb.h or gdblib.h. */
1282 /* Return-code (RC) from a gdb library call. (The abreviation RC is
1283 taken from the sim/common directory.) */
1286 /* The operation failed. The failure message can be fetched by
1287 calling ``char *error_last_message(void)''. The value is
1288 determined by the catch_errors() interface. */
1289 /* NOTE: Since ``defs.h:catch_errors()'' does not return an error /
1290 internal / quit indication it is not possible to return that
1293 /* No error occured but nothing happened. Due to the catch_errors()
1294 interface, this must be non-zero. */
1296 /* The operation was successful. Due to the catch_errors()
1297 interface, this must be non-zero. */
1302 /* Print the specified breakpoint on GDB_STDOUT. (Eventually this
1303 function will ``print'' the object on ``output''). */
1304 enum gdb_rc gdb_breakpoint_query (/* struct {ui,gdb}_out *output, */ int bnum);
1306 /* Create a breakpoint at ADDRESS (a GDB source and line). */
1307 enum gdb_rc gdb_breakpoint (char *address, char *condition,
1308 int hardwareflag, int tempflag,
1309 int thread, int ignore_count);
1310 enum gdb_rc gdb_thread_select (/* output object */ char *tidstr);
1313 /* Print a list of known thread ids. */
1314 enum gdb_rc gdb_list_thread_ids (/* output object */);
1316 /* Switch thread and print notification. */
1318 #endif /* #ifndef DEFS_H */