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"
65 /* For BFD64 and bfd_vma. */
68 /* An address in the program being debugged. Host byte order. Rather
69 than duplicate all the logic in BFD which figures out what type
70 this is (long, long long, etc.) and whether it needs to be 64
71 bits (the host/target interactions are subtle), we just use
74 typedef bfd_vma CORE_ADDR;
76 /* This is to make sure that LONGEST is at least as big as CORE_ADDR. */
82 #define LONGEST BFD_HOST_64_BIT
83 #define ULONGEST BFD_HOST_U_64_BIT
87 #ifdef CC_HAS_LONG_LONG
88 #define LONGEST long long
89 #define ULONGEST unsigned long long
91 #ifdef BFD_HOST_64_BIT
92 /* BFD_HOST_64_BIT is defined for some hosts that don't have long long
93 (e.g. i386-windows) so try it. */
94 #define LONGEST BFD_HOST_64_BIT
95 #define ULONGEST BFD_HOST_U_64_BIT
98 #define ULONGEST unsigned long
102 #endif /* No BFD64 */
104 #endif /* ! LONGEST */
107 #define min(a, b) ((a) < (b) ? (a) : (b))
110 #define max(a, b) ((a) > (b) ? (a) : (b))
113 /* Macros to do string compares.
115 NOTE: cagney/2000-03-14:
117 While old code can continue to refer to these macros, new code is
118 probably better off using strcmp() directly vis: ``strcmp() == 0''
119 and ``strcmp() != 0''.
121 This is because modern compilers can directly inline strcmp()
122 making the original justification for these macros - avoid function
123 call overhead by pre-testing the first characters
124 (``*X==*Y?...:0'') - redundant.
126 ``Even if [...] testing the first character does have a modest
127 performance improvement, I'd rather that whenever a performance
128 issue is found that we spend the effort on algorithmic
129 optimizations than micro-optimizing.'' J.T. */
131 #define STRCMP(a,b) (*(a) == *(b) ? strcmp ((a), (b)) : (int)*(a) - (int)*(b))
132 #define STREQ(a,b) (*(a) == *(b) ? !strcmp ((a), (b)) : 0)
133 #define STREQN(a,b,c) (*(a) == *(b) ? !strncmp ((a), (b), (c)) : 0)
135 /* The character GNU C++ uses to build identifiers that must be unique from
136 the program's identifiers (such as $this and $$vptr). */
137 #define CPLUS_MARKER '$' /* May be overridden to '.' for SysV */
139 /* Check if a character is one of the commonly used C++ marker characters. */
140 extern int is_cplus_marker (int);
142 /* use tui interface if non-zero */
143 extern int tui_version;
146 /* all invocations of TUIDO should have two sets of parens */
147 #define TUIDO(x) tuiDo x
152 /* enable xdb commands if set */
153 extern int xdb_commands;
155 /* enable dbx commands if set */
156 extern int dbx_commands;
158 extern int quit_flag;
159 extern int immediate_quit;
160 extern int sevenbit_strings;
162 extern void quit (void);
164 /* FIXME: cagney/2000-03-13: It has been suggested that the peformance
165 benefits of having a ``QUIT'' macro rather than a function are
166 marginal. If the overhead of a QUIT function call is proving
167 significant then its calling frequency should probably be reduced
168 [kingdon]. A profile analyzing the current situtation is
172 /* do twice to force compiler warning */
173 #define QUIT_FIXME "FIXME"
174 #define QUIT_FIXME "ignoring redefinition of QUIT"
177 if (quit_flag) quit (); \
178 if (interactive_hook) interactive_hook (); \
183 /* Languages represented in the symbol table and elsewhere.
184 This should probably be in language.h, but since enum's can't
185 be forward declared to satisfy opaque references before their
186 actual definition, needs to be here. */
190 language_unknown, /* Language not known */
191 language_auto, /* Placeholder for automatic setting */
193 language_cplus, /* C++ */
194 language_java, /* Java */
195 language_chill, /* Chill */
196 language_fortran, /* Fortran */
197 language_m2, /* Modula-2 */
198 language_asm, /* Assembly language */
199 language_scm /* Scheme / Guile */
206 unspecified_precision
209 /* the cleanup list records things that have to be undone
210 if an error happens (descriptors to be closed, memory to be freed, etc.)
211 Each link in the chain records a function to call and an
214 Use make_cleanup to add an element to the cleanup chain.
215 Use do_cleanups to do all cleanup actions back to a given
216 point in the chain. Use discard_cleanups to remove cleanups
217 from the chain back to a given point, not doing them. */
221 struct cleanup *next;
222 void (*function) (PTR);
227 /* The ability to declare that a function never returns is useful, but
228 not really required to compile GDB successfully, so the NORETURN and
229 ATTR_NORETURN macros normally expand into nothing. */
231 /* If compiling with older versions of GCC, a function may be declared
232 "volatile" to indicate that it does not return. */
235 #if defined(__GNUC__) \
236 && (__GNUC__ == 1 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7))
237 #define NORETURN volatile
239 #define NORETURN /* nothing */
243 /* GCC 2.5 and later versions define a function attribute "noreturn",
244 which is the preferred way to declare that a function never returns.
245 However GCC 2.7 appears to be the first version in which this fully
246 works everywhere we use it. */
248 #ifndef ATTR_NORETURN
249 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7))
250 #define ATTR_NORETURN __attribute__ ((noreturn))
252 #define ATTR_NORETURN /* nothing */
257 #if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 4))
258 #define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
260 #define ATTR_FORMAT(type, x, y) /* nothing */
264 /* Needed for various prototypes */
269 /* From blockframe.c */
271 extern int inside_entry_func (CORE_ADDR);
273 extern int inside_entry_file (CORE_ADDR addr);
275 extern int inside_main_func (CORE_ADDR pc);
277 /* From ch-lang.c, for the moment. (FIXME) */
279 extern char *chill_demangle (const char *);
283 extern void initialize_utils (void);
285 extern void notice_quit (void);
287 extern int strcmp_iw (const char *, const char *);
289 extern int subset_compare (char *, char *);
291 extern char *safe_strerror (int);
293 extern void init_malloc (void *);
295 extern void request_quit (int);
297 extern void do_cleanups (struct cleanup *);
298 extern void do_final_cleanups (struct cleanup *);
299 extern void do_my_cleanups (struct cleanup **, struct cleanup *);
300 extern void do_run_cleanups (struct cleanup *);
301 extern void do_exec_cleanups (struct cleanup *);
302 extern void do_exec_error_cleanups (struct cleanup *);
304 extern void discard_cleanups (struct cleanup *);
305 extern void discard_final_cleanups (struct cleanup *);
306 extern void discard_exec_error_cleanups (struct cleanup *);
307 extern void discard_my_cleanups (struct cleanup **, struct cleanup *);
309 /* DEPRECATED: cagney/2000-03-04: Do not use this typedef to cast
310 function pointers so that they match the argument to the various
311 cleanup functions. Post GDB 5.0, this typedef will be
312 deleted. [Editors note: cagney was the person that added most of
314 typedef void (*make_cleanup_func) (void *);
316 /* NOTE: cagney/2000-03-04: This typedef is strictly for the
317 make_cleanup function declarations below. Do not use this typedef
318 as a cast when passing functions into the make_cleanup() code.
319 Instead either use a bounce function or add a wrapper function.
320 Calling a f(char*) function with f(void*) is non-portable. */
321 typedef void (make_cleanup_ftype) (void *);
323 extern struct cleanup *make_cleanup (make_cleanup_ftype *, void *);
325 extern struct cleanup *make_cleanup_freeargv (char **);
328 extern struct cleanup *make_cleanup_ui_file_delete (struct ui_file *);
330 extern struct cleanup *make_cleanup_close (int fd);
332 extern struct cleanup *make_cleanup_bfd_close (bfd *abfd);
334 extern struct cleanup *make_final_cleanup (make_cleanup_ftype *, void *);
336 extern struct cleanup *make_my_cleanup (struct cleanup **,
337 make_cleanup_ftype *, void *);
339 extern struct cleanup *make_run_cleanup (make_cleanup_ftype *, void *);
341 extern struct cleanup *make_exec_cleanup (make_cleanup_ftype *, void *);
342 extern struct cleanup *make_exec_error_cleanup (make_cleanup_ftype *, void *);
344 extern struct cleanup *save_cleanups (void);
345 extern struct cleanup *save_final_cleanups (void);
346 extern struct cleanup *save_my_cleanups (struct cleanup **);
348 extern void restore_cleanups (struct cleanup *);
349 extern void restore_final_cleanups (struct cleanup *);
350 extern void restore_my_cleanups (struct cleanup **, struct cleanup *);
352 extern void free_current_contents (void *);
354 extern void null_cleanup (void *);
356 extern int myread (int, char *, int);
358 extern int query (char *, ...) ATTR_FORMAT (printf, 1, 2);
360 #if !defined (USE_MMALLOC)
361 /* NOTE: cagney/2000-03-04: The mmalloc functions need to use PTR
362 rather than void* so that they are consistent with
363 ../mmalloc/mmalloc.h. */
364 extern PTR mcalloc (PTR, size_t, size_t);
365 extern PTR mmalloc (PTR, size_t);
366 extern PTR mrealloc (PTR, PTR, size_t);
367 extern void mfree (PTR, PTR);
370 extern void init_page_info (void);
372 /* From demangle.c */
374 extern void set_demangling_style (char *);
379 typedef int (use_struct_convention_fn) (int gcc_p, struct type * value_type);
380 extern use_struct_convention_fn generic_use_struct_convention;
382 typedef unsigned char *(breakpoint_from_pc_fn) (CORE_ADDR * pcptr, int *lenptr);
384 /* Annotation stuff. */
386 extern int annotation_level; /* in stack.c */
388 extern void begin_line (void);
390 extern void wrap_here (char *);
392 extern void reinitialize_more_filter (void);
395 extern struct ui_file *gdb_stdout;
396 /* Serious error notifications */
397 extern struct ui_file *gdb_stderr;
398 /* Log/debug/trace messages that should bypass normal stdout/stderr
399 filtering. For momement, always call this stream using
400 *_unfiltered. In the very near future that restriction shall be
401 removed - either call shall be unfiltered. (cagney 1999-06-13). */
402 extern struct ui_file *gdb_stdlog;
403 /* Target output that should bypass normal stdout/stderr filtering.
404 For momement, always call this stream using *_unfiltered. In the
405 very near future that restriction shall be removed - either call
406 shall be unfiltered. (cagney 1999-07-02). */
407 extern struct ui_file *gdb_stdtarg;
411 #include "tuiCommand.h"
414 #include "tuiLayout.h"
420 /* More generic printf like operations */
422 extern void fputs_filtered (const char *, struct ui_file *);
424 extern void fputs_unfiltered (const char *, struct ui_file *);
426 extern int fputc_filtered (int c, struct ui_file *);
428 extern int fputc_unfiltered (int c, struct ui_file *);
430 extern int putchar_unfiltered (int c);
432 extern void puts_filtered (const char *);
434 extern void puts_unfiltered (const char *);
436 extern void puts_debug (char *prefix, char *string, char *suffix);
438 extern void vprintf_filtered (const char *, va_list) ATTR_FORMAT (printf, 1, 0);
440 extern void vfprintf_filtered (struct ui_file *, const char *, va_list) ATTR_FORMAT (printf, 2, 0);
442 extern void fprintf_filtered (struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 2, 3);
444 extern void fprintfi_filtered (int, struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 3, 4);
446 extern void printf_filtered (const char *, ...) ATTR_FORMAT (printf, 1, 2);
448 extern void printfi_filtered (int, const char *, ...) ATTR_FORMAT (printf, 2, 3);
450 extern void vprintf_unfiltered (const char *, va_list) ATTR_FORMAT (printf, 1, 0);
452 extern void vfprintf_unfiltered (struct ui_file *, const char *, va_list) ATTR_FORMAT (printf, 2, 0);
454 extern void fprintf_unfiltered (struct ui_file *, const char *, ...) ATTR_FORMAT (printf, 2, 3);
456 extern void printf_unfiltered (const char *, ...) ATTR_FORMAT (printf, 1, 2);
458 extern void print_spaces (int, struct ui_file *);
460 extern void print_spaces_filtered (int, struct ui_file *);
462 extern char *n_spaces (int);
464 extern void fputstr_filtered (const char *str, int quotr, struct ui_file * stream);
466 extern void fputstr_unfiltered (const char *str, int quotr, struct ui_file * stream);
468 extern void fputstrn_unfiltered (const char *str, int n, int quotr, struct ui_file * stream);
470 /* Display the host ADDR on STREAM formatted as ``0x%x''. */
471 extern void gdb_print_host_address (void *addr, struct ui_file *stream);
473 /* Convert a CORE_ADDR into a HEX string. paddr() is like %08lx.
474 paddr_nz() is like %lx. paddr_u() is like %lu. paddr_width() is
476 extern int strlen_paddr (void);
477 extern char *paddr (CORE_ADDR addr);
478 extern char *paddr_nz (CORE_ADDR addr);
479 extern char *paddr_u (CORE_ADDR addr);
480 extern char *paddr_d (LONGEST addr);
482 extern char *phex (ULONGEST l, int sizeof_l);
483 extern char *phex_nz (ULONGEST l, int sizeof_l);
485 extern void fprintf_symbol_filtered (struct ui_file *, char *,
488 extern NORETURN void perror_with_name (char *) ATTR_NORETURN;
490 extern void print_sys_errmsg (char *, int);
492 /* From regex.c or libc. BSD 4.4 declares this with the argument type as
493 "const char *" in unistd.h, so we can't declare the argument
496 extern char *re_comp (const char *);
500 extern void symbol_file_command (char *, int);
502 /* Remote targets may wish to use this as their load function. */
503 extern void generic_load (char *name, int from_tty);
505 /* Summarise a download */
506 extern void print_transfer_performance (struct ui_file *stream,
507 unsigned long data_count,
508 unsigned long write_count,
509 unsigned long time_count);
513 typedef void initialize_file_ftype (void);
515 extern char *skip_quoted (char *);
517 extern char *gdb_readline (char *);
519 extern char *command_line_input (char *, int, char *);
521 extern void print_prompt (void);
523 extern int input_from_terminal_p (void);
525 extern int info_verbose;
527 /* From printcmd.c */
529 extern void set_next_address (CORE_ADDR);
531 extern void print_address_symbolic (CORE_ADDR, struct ui_file *, int,
534 extern int build_address_symbolic (CORE_ADDR addr,
542 extern void print_address_numeric (CORE_ADDR, int, struct ui_file *);
544 extern void print_address (CORE_ADDR, struct ui_file *);
548 extern int openp (char *, int, char *, int, int, char **);
550 extern int source_full_path_of (char *, char **);
552 extern void mod_path (char *, char **);
554 extern void directory_command (char *, int);
556 extern void init_source_path (void);
558 extern char *symtab_to_filename (struct symtab *);
562 extern void exec_set_section_offsets (bfd_signed_vma text_off,
563 bfd_signed_vma data_off,
564 bfd_signed_vma bss_off);
568 extern int read_relative_register_raw_bytes (int, char *);
570 /* Possible lvalue types. Like enum language, this should be in
571 value.h, but needs to be here for the same reason. */
577 /* In memory. Could be a saved register. */
581 /* In a gdb internal variable. */
583 /* Part of a gdb internal variable (structure field). */
584 lval_internalvar_component,
585 /* In a register series in a frame not the current one, which may have been
586 partially saved or saved in different places (otherwise would be
587 lval_register or lval_memory). */
588 lval_reg_frame_relative
593 void default_get_saved_register (char *raw_buffer, int *optimized,
595 struct frame_info *frame, int regnum,
596 enum lval_type *lval);
598 /* From readline (but not in any readline .h files). */
600 extern char *tilde_expand (char *);
602 /* Control types for commands */
604 enum misc_command_type
612 enum command_control_type
622 /* Structure for saved commands lines
623 (for breakpoints, defined commands, etc). */
627 struct command_line *next;
629 enum command_control_type control_type;
631 struct command_line **body_list;
634 extern struct command_line *read_command_lines (char *, int);
636 extern void free_command_lines (struct command_line **);
638 /* To continue the execution commands when running gdb asynchronously.
639 A continuation structure contains a pointer to a function to be called
640 to finish the command, once the target has stopped. Such mechanism is
641 used bt the finish and until commands, and in the remote protocol
642 when opening an extended-remote connection. */
644 struct continuation_arg
646 struct continuation_arg *next;
647 union continuation_data {
656 void (*continuation_hook) (struct continuation_arg *);
657 struct continuation_arg *arg_list;
658 struct continuation *next;
660 struct continuation continuation;
663 extern struct continuation *cmd_continuation;
664 /* Used only by the step_1 function. */
665 extern struct continuation *intermediate_continuation;
668 extern void add_continuation (void (*)(struct continuation_arg *),
669 struct continuation_arg *);
670 extern void do_all_continuations (void);
671 extern void discard_all_continuations (void);
673 extern void add_intermediate_continuation (void (*)(struct continuation_arg *),
674 struct continuation_arg *);
675 extern void do_all_intermediate_continuations (void);
676 extern void discard_all_intermediate_continuations (void);
678 /* String containing the current directory (what getwd would return). */
680 extern char *current_directory;
682 /* Default radixes for input and output. Only some values supported. */
683 extern unsigned input_radix;
684 extern unsigned output_radix;
686 /* Possibilities for prettyprint parameters to routines which print
687 things. Like enum language, this should be in value.h, but needs
688 to be here for the same reason. FIXME: If we can eliminate this
689 as an arg to LA_VAL_PRINT, then we can probably move it back to
694 Val_no_prettyprint = 0,
696 /* Use the default setting which the user has specified. */
701 /* Host machine definition. This will be a symlink to one of the
702 xm-*.h files, built by the `configure' script. */
706 /* Native machine support. This will be a symlink to one of the
707 nm-*.h files, built by the `configure' script. */
711 /* Target machine definition. This will be a symlink to one of the
712 tm-*.h files, built by the `configure' script. */
716 /* If the xm.h file did not define the mode string used to open the
717 files, assume that binary files are opened the same way as text
720 #include "fopen-same.h"
723 /* Microsoft C can't deal with const pointers */
728 #define CONST_PTR const
732 * Allow things in gdb to be declared "volatile". If compiling ANSI, it
733 * just works. If compiling with gcc but non-ansi, redefine to __volatile__.
734 * If non-ansi, non-gcc, then eliminate "volatile" entirely, making those
735 * objects be read-write rather than read-only.
741 #define volatile __volatile__
743 #define volatile /* nothing */
746 #endif /* volatile */
748 /* Defaults for system-wide constants (if not defined by xm.h, we fake it).
749 FIXME: Assumes 2's complement arithmetic */
751 #if !defined (UINT_MAX)
752 #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */
755 #if !defined (INT_MAX)
756 #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
759 #if !defined (INT_MIN)
760 #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */
763 #if !defined (ULONG_MAX)
764 #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */
767 #if !defined (LONG_MAX)
768 #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */
771 #if !defined (ULONGEST_MAX)
772 #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 32-bits */
775 #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 32-bits */
776 #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1))
779 /* Convert a LONGEST to an int. This is used in contexts (e.g. number of
780 arguments to a function, number in a value history, register number, etc.)
781 where the value must not be larger than can fit in an int. */
783 extern int longest_to_int (LONGEST);
785 /* Assorted functions we can declare, now that const and volatile are
788 extern char *savestring (const char *, int);
790 extern char *msavestring (void *, const char *, int);
792 extern char *strsave (const char *);
794 extern char *mstrsave (void *, const char *);
796 /* FIXME; was long, but this causes compile errors in msvc if already
799 extern PTR xmmalloc (PTR, size_t);
800 extern PTR xmrealloc (PTR, PTR, size_t);
802 extern PTR xmmalloc (PTR, long);
803 extern PTR xmrealloc (PTR, PTR, long);
806 extern int parse_escape (char **);
808 /* Message to be printed before the error message, when an error occurs. */
810 extern char *error_pre_print;
812 /* Message to be printed before the error message, when an error occurs. */
814 extern char *quit_pre_print;
816 /* Message to be printed before the warning message, when a warning occurs. */
818 extern char *warning_pre_print;
820 extern NORETURN void verror (const char *fmt, va_list ap) ATTR_NORETURN;
822 extern NORETURN void error (const char *fmt, ...) ATTR_NORETURN;
824 /* DEPRECATED: Use error(), verror() or error_stream(). */
825 extern NORETURN void error_begin (void);
827 extern NORETURN void error_stream (struct ui_file *) ATTR_NORETURN;
829 /* Returns a freshly allocate buffer containing the last error
831 extern char *error_last_message (void);
833 extern NORETURN void internal_verror (const char *, va_list ap) ATTR_NORETURN;
835 extern NORETURN void internal_error (char *, ...) ATTR_NORETURN;
837 extern NORETURN void nomem (long) ATTR_NORETURN;
839 /* Reasons for calling return_to_top_level. Note: enum value 0 is
840 reserved for internal use as the return value from an initial
845 /* User interrupt. */
847 /* Any other error. */
851 #define ALL_CLEANUPS ((struct cleanup *)0)
853 #define RETURN_MASK(reason) (1 << (int)(reason))
854 #define RETURN_MASK_QUIT RETURN_MASK (RETURN_QUIT)
855 #define RETURN_MASK_ERROR RETURN_MASK (RETURN_ERROR)
856 #define RETURN_MASK_ALL (RETURN_MASK_QUIT | RETURN_MASK_ERROR)
857 typedef int return_mask;
859 extern NORETURN void return_to_top_level (enum return_reason) ATTR_NORETURN;
861 /* If CATCH_ERRORS_FTYPE throws an error, catch_errors() returns zero
862 otherwize the result from CATCH_ERRORS_FTYPE is returned. It is
863 probably useful for CATCH_ERRORS_FTYPE to always return a non-zero
864 value. It's unfortunate that, catch_errors() does not return an
865 indication of the exact exception that it caught - quit_flag might
868 typedef int (catch_errors_ftype) (PTR);
869 extern int catch_errors (catch_errors_ftype *, PTR, char *, return_mask);
871 /* Template to catch_errors() that wraps calls to command
874 typedef void (catch_command_errors_ftype) (char *, int);
875 extern int catch_command_errors (catch_command_errors_ftype *func, char *command, int from_tty, return_mask);
877 extern void warning_begin (void);
879 extern void warning (const char *, ...) ATTR_FORMAT (printf, 1, 2);
881 /* Global functions from other, non-gdb GNU thingies.
882 Libiberty thingies are no longer declared here. We include libiberty.h
885 #ifndef GETENV_PROVIDED
886 extern char *getenv (const char *);
889 /* From other system libraries */
896 #if defined(_MSC_VER) && !defined(__cplusplus)
897 /* msvc defines these in stdlib.h for c code */
904 #define min(a, b) ((a) < (b) ? (a) : (b))
907 #define max(a, b) ((a) > (b) ? (a) : (b))
911 /* We take the address of fclose later, but some stdio's forget
912 to declare this. We can't always declare it since there's
913 no way to declare the parameters without upsetting some compiler
916 #ifndef FCLOSE_PROVIDED
917 extern int fclose (FILE *);
921 extern double atof (const char *); /* X3.159-1989 4.10.1.1 */
924 #ifndef MALLOC_INCOMPATIBLE
926 #ifdef NEED_DECLARATION_MALLOC
927 extern PTR malloc ();
930 #ifdef NEED_DECLARATION_REALLOC
931 extern PTR realloc ();
934 #ifdef NEED_DECLARATION_FREE
938 #endif /* MALLOC_INCOMPATIBLE */
940 /* Various possibilities for alloca. */
943 #define alloca __builtin_alloca
944 #else /* Not GNU C */
952 /* We need to be careful not to declare this in a way which conflicts with
953 bison. Bison never declares it as char *, but under various circumstances
954 (like __hpux) we need to use void *. */
955 #if defined (__STDC__) || defined (__hpux)
956 extern void *alloca ();
957 #else /* Don't use void *. */
958 extern char *alloca ();
959 #endif /* Don't use void *. */
960 #endif /* Not _AIX */
961 #endif /* Not HAVE_ALLOCA_H */
962 #endif /* Not GNU C */
963 #endif /* alloca not defined */
965 /* HOST_BYTE_ORDER must be defined to one of these. */
971 #if !defined (BIG_ENDIAN)
972 #define BIG_ENDIAN 4321
975 #if !defined (LITTLE_ENDIAN)
976 #define LITTLE_ENDIAN 1234
979 /* Dynamic target-system-dependent parameters for GDB. */
981 #if (GDB_MULTI_ARCH == 0)
982 /* Multi-arch targets _should_ be including "arch-utils.h" directly
983 into their *-tdep.c file. This is a prop to help old non-
984 multi-arch targets to continue to compile. */
985 #include "arch-utils.h"
988 /* Static target-system-dependent parameters for GDB. */
990 /* Number of bits in a char or unsigned char for the target machine.
991 Just like CHAR_BIT in <limits.h> but describes the target machine. */
992 #if !defined (TARGET_CHAR_BIT)
993 #define TARGET_CHAR_BIT 8
996 /* Number of bits in a short or unsigned short for the target machine. */
997 #if !defined (TARGET_SHORT_BIT)
998 #define TARGET_SHORT_BIT (2 * TARGET_CHAR_BIT)
1001 /* Number of bits in an int or unsigned int for the target machine. */
1002 #if !defined (TARGET_INT_BIT)
1003 #define TARGET_INT_BIT (4 * TARGET_CHAR_BIT)
1006 /* Number of bits in a long or unsigned long for the target machine. */
1007 #if !defined (TARGET_LONG_BIT)
1008 #define TARGET_LONG_BIT (4 * TARGET_CHAR_BIT)
1011 /* Number of bits in a long long or unsigned long long for the target machine. */
1012 #if !defined (TARGET_LONG_LONG_BIT)
1013 #define TARGET_LONG_LONG_BIT (2 * TARGET_LONG_BIT)
1016 /* Number of bits in a float for the target machine. */
1017 #if !defined (TARGET_FLOAT_BIT)
1018 #define TARGET_FLOAT_BIT (4 * TARGET_CHAR_BIT)
1021 /* Number of bits in a double for the target machine. */
1022 #if !defined (TARGET_DOUBLE_BIT)
1023 #define TARGET_DOUBLE_BIT (8 * TARGET_CHAR_BIT)
1026 /* Number of bits in a long double for the target machine. */
1027 #if !defined (TARGET_LONG_DOUBLE_BIT)
1028 #define TARGET_LONG_DOUBLE_BIT (2 * TARGET_DOUBLE_BIT)
1031 /* Number of bits in a pointer for the target machine */
1032 #if !defined (TARGET_PTR_BIT)
1033 #define TARGET_PTR_BIT TARGET_INT_BIT
1036 /* Number of bits in a BFD_VMA for the target object file format. */
1037 #if !defined (TARGET_BFD_VMA_BIT)
1038 #define TARGET_BFD_VMA_BIT TARGET_PTR_BIT
1041 /* If we picked up a copy of CHAR_BIT from a configuration file
1042 (which may get it by including <limits.h>) then use it to set
1043 the number of bits in a host char. If not, use the same size
1046 #if defined (CHAR_BIT)
1047 #define HOST_CHAR_BIT CHAR_BIT
1049 #define HOST_CHAR_BIT TARGET_CHAR_BIT
1052 /* The bit byte-order has to do just with numbering of bits in
1053 debugging symbols and such. Conceptually, it's quite separate
1054 from byte/word byte order. */
1056 #if !defined (BITS_BIG_ENDIAN)
1057 #define BITS_BIG_ENDIAN (TARGET_BYTE_ORDER == BIG_ENDIAN)
1062 extern LONGEST extract_signed_integer (void *, int);
1064 extern ULONGEST extract_unsigned_integer (void *, int);
1066 extern int extract_long_unsigned_integer (void *, int, LONGEST *);
1068 extern CORE_ADDR extract_address (void *, int);
1070 extern CORE_ADDR extract_typed_address (void *buf, struct type *type);
1072 extern void store_signed_integer (void *, int, LONGEST);
1074 extern void store_unsigned_integer (void *, int, ULONGEST);
1076 extern void store_address (void *, int, LONGEST);
1078 extern void store_typed_address (void *buf, struct type *type, CORE_ADDR addr);
1080 /* Setup definitions for host and target floating point formats. We need to
1081 consider the format for `float', `double', and `long double' for both target
1082 and host. We need to do this so that we know what kind of conversions need
1083 to be done when converting target numbers to and from the hosts DOUBLEST
1086 /* This is used to indicate that we don't know the format of the floating point
1087 number. Typically, this is useful for native ports, where the actual format
1088 is irrelevant, since no conversions will be taking place. */
1090 extern const struct floatformat floatformat_unknown;
1092 #if HOST_BYTE_ORDER == BIG_ENDIAN
1093 #ifndef HOST_FLOAT_FORMAT
1094 #define HOST_FLOAT_FORMAT &floatformat_ieee_single_big
1096 #ifndef HOST_DOUBLE_FORMAT
1097 #define HOST_DOUBLE_FORMAT &floatformat_ieee_double_big
1099 #else /* LITTLE_ENDIAN */
1100 #ifndef HOST_FLOAT_FORMAT
1101 #define HOST_FLOAT_FORMAT &floatformat_ieee_single_little
1103 #ifndef HOST_DOUBLE_FORMAT
1104 #define HOST_DOUBLE_FORMAT &floatformat_ieee_double_little
1108 #ifndef HOST_LONG_DOUBLE_FORMAT
1109 #define HOST_LONG_DOUBLE_FORMAT &floatformat_unknown
1112 /* Use `long double' if the host compiler supports it. (Note that this is not
1113 necessarily any longer than `double'. On SunOS/gcc, it's the same as
1114 double.) This is necessary because GDB internally converts all floating
1115 point values to the widest type supported by the host.
1117 There are problems however, when the target `long double' is longer than the
1118 host's `long double'. In general, we'll probably reduce the precision of
1119 any such values and print a warning. */
1121 #ifdef HAVE_LONG_DOUBLE
1122 typedef long double DOUBLEST;
1124 typedef double DOUBLEST;
1127 extern void floatformat_to_doublest (const struct floatformat *,
1128 char *, DOUBLEST *);
1129 extern void floatformat_from_doublest (const struct floatformat *,
1130 DOUBLEST *, char *);
1131 extern DOUBLEST extract_floating (void *, int);
1133 extern void store_floating (void *, int, DOUBLEST);
1135 /* On some machines there are bits in addresses which are not really
1136 part of the address, but are used by the kernel, the hardware, etc.
1137 for special purposes. ADDR_BITS_REMOVE takes out any such bits
1138 so we get a "real" address such as one would find in a symbol
1139 table. This is used only for addresses of instructions, and even then
1140 I'm not sure it's used in all contexts. It exists to deal with there
1141 being a few stray bits in the PC which would mislead us, not as some sort
1142 of generic thing to handle alignment or segmentation (it's possible it
1143 should be in TARGET_READ_PC instead). */
1144 #if !defined (ADDR_BITS_REMOVE)
1145 #define ADDR_BITS_REMOVE(addr) (addr)
1146 #endif /* No ADDR_BITS_REMOVE. */
1150 extern CORE_ADDR push_bytes (CORE_ADDR, char *, int);
1152 extern CORE_ADDR push_word (CORE_ADDR, ULONGEST);
1154 extern int watchdog;
1156 /* Hooks for alternate command interfaces. */
1159 /* The name of the interpreter if specified on the command line. */
1160 extern char *interpreter_p;
1163 /* If a given interpreter matches INTERPRETER_P then it should update
1164 command_loop_hook and init_ui_hook with the per-interpreter
1166 /* FIXME: command_loop_hook and init_ui_hook should be moved here. */
1168 struct target_waitstatus;
1169 struct cmd_list_element;
1171 /* Should the asynchronous variant of the interpreter (using the
1172 event-loop) be enabled? */
1173 extern int event_loop_p;
1175 extern void (*init_ui_hook) (char *argv0);
1176 extern void (*command_loop_hook) (void);
1177 extern void (*show_load_progress) (const char *section,
1178 unsigned long section_sent,
1179 unsigned long section_size,
1180 unsigned long total_sent,
1181 unsigned long total_size);
1182 extern void (*print_frame_info_listing_hook) (struct symtab * s,
1183 int line, int stopline,
1185 extern struct frame_info *parse_frame_specification (char *frame_exp);
1186 extern int (*query_hook) (const char *, va_list);
1187 extern void (*warning_hook) (const char *, va_list);
1188 extern void (*flush_hook) (struct ui_file * stream);
1189 extern void (*create_breakpoint_hook) (struct breakpoint * b);
1190 extern void (*delete_breakpoint_hook) (struct breakpoint * bpt);
1191 extern void (*modify_breakpoint_hook) (struct breakpoint * bpt);
1192 extern void (*interactive_hook) (void);
1193 extern void (*registers_changed_hook) (void);
1194 extern void (*readline_begin_hook) (char *,...);
1195 extern char *(*readline_hook) (char *);
1196 extern void (*readline_end_hook) (void);
1197 extern void (*register_changed_hook) (int regno);
1198 extern void (*memory_changed_hook) (CORE_ADDR addr, int len);
1199 extern void (*context_hook) (int);
1200 extern int (*target_wait_hook) (int pid, struct target_waitstatus * status);
1202 extern void (*attach_hook) (void);
1203 extern void (*detach_hook) (void);
1204 extern void (*call_command_hook) (struct cmd_list_element * c,
1205 char *cmd, int from_tty);
1207 extern void (*set_hook) (struct cmd_list_element * c);
1209 extern NORETURN void (*error_hook) (void) ATTR_NORETURN;
1211 extern void (*error_begin_hook) (void);
1213 extern int (*ui_load_progress_hook) (const char *section, unsigned long num);
1216 /* Inhibit window interface if non-zero. */
1218 extern int use_windows;
1220 /* Symbolic definitions of filename-related things. */
1221 /* FIXME, this doesn't work very well if host and executable
1222 filesystems conventions are different. */
1224 #ifndef DIRNAME_SEPARATOR
1225 #define DIRNAME_SEPARATOR ':'
1229 #if defined(__GO32__)||defined(_WIN32)
1230 #define SLASH_P(X) ((X)=='\\')
1232 #define SLASH_P(X) ((X)=='/')
1237 #if defined(__GO32__)||defined(_WIN32)
1238 #define SLASH_CHAR '\\'
1240 #define SLASH_CHAR '/'
1244 #ifndef SLASH_STRING
1245 #if defined(__GO32__)||defined(_WIN32)
1246 #define SLASH_STRING "\\"
1248 #define SLASH_STRING "/"
1253 #define ROOTED_P(X) (SLASH_P((X)[0]))
1256 /* On some systems, PIDGET is defined to extract the inferior pid from
1257 an internal pid that has the thread id and pid in seperate bit
1258 fields. If not defined, then just use the entire internal pid as
1262 #define PIDGET(PID) (PID)
1263 #define TIDGET(PID) 0
1264 #define MERGEPID(PID, TID) (PID)
1267 /* If under Cygwin, provide backwards compatibility with older
1268 Cygwin compilers that don't define the current cpp define. */
1275 /* Define well known filenos if the system does not define them. */
1276 #ifndef STDIN_FILENO
1277 #define STDIN_FILENO 0
1279 #ifndef STDOUT_FILENO
1280 #define STDOUT_FILENO 1
1282 #ifndef STDERR_FILENO
1283 #define STDERR_FILENO 2
1286 /* If this definition isn't overridden by the header files, assume
1287 that isatty and fileno exist on this system. */
1289 #define ISATTY(FP) (isatty (fileno (FP)))
1293 /* FIXME: cagney/1999-12-13: The following will be moved to gdb.h /
1294 libgdb.h or gdblib.h. */
1296 /* Return-code (RC) from a gdb library call. (The abreviation RC is
1297 taken from the sim/common directory.) */
1300 /* The operation failed. The failure message can be fetched by
1301 calling ``char *error_last_message(void)''. The value is
1302 determined by the catch_errors() interface. */
1303 /* NOTE: Since ``defs.h:catch_errors()'' does not return an error /
1304 internal / quit indication it is not possible to return that
1307 /* No error occured but nothing happened. Due to the catch_errors()
1308 interface, this must be non-zero. */
1310 /* The operation was successful. Due to the catch_errors()
1311 interface, this must be non-zero. */
1316 /* Print the specified breakpoint on GDB_STDOUT. (Eventually this
1317 function will ``print'' the object on ``output''). */
1318 enum gdb_rc gdb_breakpoint_query (/* struct {ui,gdb}_out *output, */ int bnum);
1320 /* Create a breakpoint at ADDRESS (a GDB source and line). */
1321 enum gdb_rc gdb_breakpoint (char *address, char *condition,
1322 int hardwareflag, int tempflag,
1323 int thread, int ignore_count);
1324 enum gdb_rc gdb_thread_select (/* output object */ char *tidstr);
1327 /* Print a list of known thread ids. */
1328 enum gdb_rc gdb_list_thread_ids (/* output object */);
1330 /* Switch thread and print notification. */
1332 #endif /* #ifndef DEFS_H */