1 /* General utility routines for GDB, the GNU debugger.
2 Copyright 1986, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
3 1997, 1998, 1999, 2000, 2001
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. */
24 #include "gdb_assert.h"
26 #include "gdb_string.h"
27 #include "event-top.h"
40 /* SunOS's curses.h has a '#define reg register' in it. Thank you Sun. */
51 #include "expression.h"
55 #include "inferior.h" /* for signed_pointer_to_address */
57 #include <readline/readline.h>
59 #ifndef MALLOC_INCOMPATIBLE
60 #ifdef NEED_DECLARATION_MALLOC
63 #ifdef NEED_DECLARATION_REALLOC
64 extern PTR
realloc ();
66 #ifdef NEED_DECLARATION_FREE
72 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
74 /* readline defines this. */
77 void (*error_begin_hook
) (void);
79 /* Holds the last error message issued by gdb */
81 static struct ui_file
*gdb_lasterr
;
83 /* Prototypes for local functions */
85 static void vfprintf_maybe_filtered (struct ui_file
*, const char *,
88 static void fputs_maybe_filtered (const char *, struct ui_file
*, int);
90 #if defined (USE_MMALLOC) && !defined (NO_MMCHECK)
91 static void malloc_botch (void);
94 static void prompt_for_continue (void);
96 static void set_width_command (char *, int, struct cmd_list_element
*);
98 static void set_width (void);
100 /* Chain of cleanup actions established with make_cleanup,
101 to be executed if an error happens. */
103 static struct cleanup
*cleanup_chain
; /* cleaned up after a failed command */
104 static struct cleanup
*final_cleanup_chain
; /* cleaned up when gdb exits */
105 static struct cleanup
*run_cleanup_chain
; /* cleaned up on each 'run' */
106 static struct cleanup
*exec_cleanup_chain
; /* cleaned up on each execution command */
107 /* cleaned up on each error from within an execution command */
108 static struct cleanup
*exec_error_cleanup_chain
;
110 /* Pointer to what is left to do for an execution command after the
111 target stops. Used only in asynchronous mode, by targets that
112 support async execution. The finish and until commands use it. So
113 does the target extended-remote command. */
114 struct continuation
*cmd_continuation
;
115 struct continuation
*intermediate_continuation
;
117 /* Nonzero if we have job control. */
121 /* Nonzero means a quit has been requested. */
125 /* Nonzero means quit immediately if Control-C is typed now, rather
126 than waiting until QUIT is executed. Be careful in setting this;
127 code which executes with immediate_quit set has to be very careful
128 about being able to deal with being interrupted at any time. It is
129 almost always better to use QUIT; the only exception I can think of
130 is being able to quit out of a system call (using EINTR loses if
131 the SIGINT happens between the previous QUIT and the system call).
132 To immediately quit in the case in which a SIGINT happens between
133 the previous QUIT and setting immediate_quit (desirable anytime we
134 expect to block), call QUIT after setting immediate_quit. */
138 /* Nonzero means that encoded C++ names should be printed out in their
139 C++ form rather than raw. */
143 /* Nonzero means that encoded C++ names should be printed out in their
144 C++ form even in assembler language displays. If this is set, but
145 DEMANGLE is zero, names are printed raw, i.e. DEMANGLE controls. */
147 int asm_demangle
= 0;
149 /* Nonzero means that strings with character values >0x7F should be printed
150 as octal escapes. Zero means just print the value (e.g. it's an
151 international character, and the terminal or window can cope.) */
153 int sevenbit_strings
= 0;
155 /* String to be printed before error messages, if any. */
157 char *error_pre_print
;
159 /* String to be printed before quit messages, if any. */
161 char *quit_pre_print
;
163 /* String to be printed before warning messages, if any. */
165 char *warning_pre_print
= "\nwarning: ";
167 int pagination_enabled
= 1;
170 /* Add a new cleanup to the cleanup_chain,
171 and return the previous chain pointer
172 to be passed later to do_cleanups or discard_cleanups.
173 Args are FUNCTION to clean up with, and ARG to pass to it. */
176 make_cleanup (make_cleanup_ftype
*function
, void *arg
)
178 return make_my_cleanup (&cleanup_chain
, function
, arg
);
182 make_final_cleanup (make_cleanup_ftype
*function
, void *arg
)
184 return make_my_cleanup (&final_cleanup_chain
, function
, arg
);
188 make_run_cleanup (make_cleanup_ftype
*function
, void *arg
)
190 return make_my_cleanup (&run_cleanup_chain
, function
, arg
);
194 make_exec_cleanup (make_cleanup_ftype
*function
, void *arg
)
196 return make_my_cleanup (&exec_cleanup_chain
, function
, arg
);
200 make_exec_error_cleanup (make_cleanup_ftype
*function
, void *arg
)
202 return make_my_cleanup (&exec_error_cleanup_chain
, function
, arg
);
206 do_freeargv (void *arg
)
208 freeargv ((char **) arg
);
212 make_cleanup_freeargv (char **arg
)
214 return make_my_cleanup (&cleanup_chain
, do_freeargv
, arg
);
218 do_bfd_close_cleanup (void *arg
)
224 make_cleanup_bfd_close (bfd
*abfd
)
226 return make_cleanup (do_bfd_close_cleanup
, abfd
);
230 do_close_cleanup (void *arg
)
238 make_cleanup_close (int fd
)
240 int *saved_fd
= xmalloc (sizeof (fd
));
242 return make_cleanup (do_close_cleanup
, saved_fd
);
246 do_ui_file_delete (void *arg
)
248 ui_file_delete (arg
);
252 make_cleanup_ui_file_delete (struct ui_file
*arg
)
254 return make_my_cleanup (&cleanup_chain
, do_ui_file_delete
, arg
);
258 make_my_cleanup (struct cleanup
**pmy_chain
, make_cleanup_ftype
*function
,
261 register struct cleanup
*new
262 = (struct cleanup
*) xmalloc (sizeof (struct cleanup
));
263 register struct cleanup
*old_chain
= *pmy_chain
;
265 new->next
= *pmy_chain
;
266 new->function
= function
;
273 /* Discard cleanups and do the actions they describe
274 until we get back to the point OLD_CHAIN in the cleanup_chain. */
277 do_cleanups (register struct cleanup
*old_chain
)
279 do_my_cleanups (&cleanup_chain
, old_chain
);
283 do_final_cleanups (register struct cleanup
*old_chain
)
285 do_my_cleanups (&final_cleanup_chain
, old_chain
);
289 do_run_cleanups (register struct cleanup
*old_chain
)
291 do_my_cleanups (&run_cleanup_chain
, old_chain
);
295 do_exec_cleanups (register struct cleanup
*old_chain
)
297 do_my_cleanups (&exec_cleanup_chain
, old_chain
);
301 do_exec_error_cleanups (register struct cleanup
*old_chain
)
303 do_my_cleanups (&exec_error_cleanup_chain
, old_chain
);
307 do_my_cleanups (register struct cleanup
**pmy_chain
,
308 register struct cleanup
*old_chain
)
310 register struct cleanup
*ptr
;
311 while ((ptr
= *pmy_chain
) != old_chain
)
313 *pmy_chain
= ptr
->next
; /* Do this first incase recursion */
314 (*ptr
->function
) (ptr
->arg
);
319 /* Discard cleanups, not doing the actions they describe,
320 until we get back to the point OLD_CHAIN in the cleanup_chain. */
323 discard_cleanups (register struct cleanup
*old_chain
)
325 discard_my_cleanups (&cleanup_chain
, old_chain
);
329 discard_final_cleanups (register struct cleanup
*old_chain
)
331 discard_my_cleanups (&final_cleanup_chain
, old_chain
);
335 discard_exec_error_cleanups (register struct cleanup
*old_chain
)
337 discard_my_cleanups (&exec_error_cleanup_chain
, old_chain
);
341 discard_my_cleanups (register struct cleanup
**pmy_chain
,
342 register struct cleanup
*old_chain
)
344 register struct cleanup
*ptr
;
345 while ((ptr
= *pmy_chain
) != old_chain
)
347 *pmy_chain
= ptr
->next
;
352 /* Set the cleanup_chain to 0, and return the old cleanup chain. */
356 return save_my_cleanups (&cleanup_chain
);
360 save_final_cleanups (void)
362 return save_my_cleanups (&final_cleanup_chain
);
366 save_my_cleanups (struct cleanup
**pmy_chain
)
368 struct cleanup
*old_chain
= *pmy_chain
;
374 /* Restore the cleanup chain from a previously saved chain. */
376 restore_cleanups (struct cleanup
*chain
)
378 restore_my_cleanups (&cleanup_chain
, chain
);
382 restore_final_cleanups (struct cleanup
*chain
)
384 restore_my_cleanups (&final_cleanup_chain
, chain
);
388 restore_my_cleanups (struct cleanup
**pmy_chain
, struct cleanup
*chain
)
393 /* This function is useful for cleanups.
397 old_chain = make_cleanup (free_current_contents, &foo);
399 to arrange to free the object thus allocated. */
402 free_current_contents (void *ptr
)
404 void **location
= ptr
;
405 if (location
== NULL
)
406 internal_error (__FILE__
, __LINE__
,
407 "free_current_contents: NULL pointer");
408 if (*location
!= NULL
)
415 /* Provide a known function that does nothing, to use as a base for
416 for a possibly long chain of cleanups. This is useful where we
417 use the cleanup chain for handling normal cleanups as well as dealing
418 with cleanups that need to be done as a result of a call to error().
419 In such cases, we may not be certain where the first cleanup is, unless
420 we have a do-nothing one to always use as the base. */
424 null_cleanup (void *arg
)
428 /* Add a continuation to the continuation list, the global list
429 cmd_continuation. The new continuation will be added at the front.*/
431 add_continuation (void (*continuation_hook
) (struct continuation_arg
*),
432 struct continuation_arg
*arg_list
)
434 struct continuation
*continuation_ptr
;
436 continuation_ptr
= (struct continuation
*) xmalloc (sizeof (struct continuation
));
437 continuation_ptr
->continuation_hook
= continuation_hook
;
438 continuation_ptr
->arg_list
= arg_list
;
439 continuation_ptr
->next
= cmd_continuation
;
440 cmd_continuation
= continuation_ptr
;
443 /* Walk down the cmd_continuation list, and execute all the
444 continuations. There is a problem though. In some cases new
445 continuations may be added while we are in the middle of this
446 loop. If this happens they will be added in the front, and done
447 before we have a chance of exhausting those that were already
448 there. We need to then save the beginning of the list in a pointer
449 and do the continuations from there on, instead of using the
450 global beginning of list as our iteration pointer.*/
452 do_all_continuations (void)
454 struct continuation
*continuation_ptr
;
455 struct continuation
*saved_continuation
;
457 /* Copy the list header into another pointer, and set the global
458 list header to null, so that the global list can change as a side
459 effect of invoking the continuations and the processing of
460 the preexisting continuations will not be affected. */
461 continuation_ptr
= cmd_continuation
;
462 cmd_continuation
= NULL
;
464 /* Work now on the list we have set aside. */
465 while (continuation_ptr
)
467 (continuation_ptr
->continuation_hook
) (continuation_ptr
->arg_list
);
468 saved_continuation
= continuation_ptr
;
469 continuation_ptr
= continuation_ptr
->next
;
470 xfree (saved_continuation
);
474 /* Walk down the cmd_continuation list, and get rid of all the
477 discard_all_continuations (void)
479 struct continuation
*continuation_ptr
;
481 while (cmd_continuation
)
483 continuation_ptr
= cmd_continuation
;
484 cmd_continuation
= continuation_ptr
->next
;
485 xfree (continuation_ptr
);
489 /* Add a continuation to the continuation list, the global list
490 intermediate_continuation. The new continuation will be added at the front.*/
492 add_intermediate_continuation (void (*continuation_hook
)
493 (struct continuation_arg
*),
494 struct continuation_arg
*arg_list
)
496 struct continuation
*continuation_ptr
;
498 continuation_ptr
= (struct continuation
*) xmalloc (sizeof (struct continuation
));
499 continuation_ptr
->continuation_hook
= continuation_hook
;
500 continuation_ptr
->arg_list
= arg_list
;
501 continuation_ptr
->next
= intermediate_continuation
;
502 intermediate_continuation
= continuation_ptr
;
505 /* Walk down the cmd_continuation list, and execute all the
506 continuations. There is a problem though. In some cases new
507 continuations may be added while we are in the middle of this
508 loop. If this happens they will be added in the front, and done
509 before we have a chance of exhausting those that were already
510 there. We need to then save the beginning of the list in a pointer
511 and do the continuations from there on, instead of using the
512 global beginning of list as our iteration pointer.*/
514 do_all_intermediate_continuations (void)
516 struct continuation
*continuation_ptr
;
517 struct continuation
*saved_continuation
;
519 /* Copy the list header into another pointer, and set the global
520 list header to null, so that the global list can change as a side
521 effect of invoking the continuations and the processing of
522 the preexisting continuations will not be affected. */
523 continuation_ptr
= intermediate_continuation
;
524 intermediate_continuation
= NULL
;
526 /* Work now on the list we have set aside. */
527 while (continuation_ptr
)
529 (continuation_ptr
->continuation_hook
) (continuation_ptr
->arg_list
);
530 saved_continuation
= continuation_ptr
;
531 continuation_ptr
= continuation_ptr
->next
;
532 xfree (saved_continuation
);
536 /* Walk down the cmd_continuation list, and get rid of all the
539 discard_all_intermediate_continuations (void)
541 struct continuation
*continuation_ptr
;
543 while (intermediate_continuation
)
545 continuation_ptr
= intermediate_continuation
;
546 intermediate_continuation
= continuation_ptr
->next
;
547 xfree (continuation_ptr
);
553 /* Print a warning message. Way to use this is to call warning_begin,
554 output the warning message (use unfiltered output to gdb_stderr),
555 ending in a newline. There is not currently a warning_end that you
556 call afterwards, but such a thing might be added if it is useful
557 for a GUI to separate warning messages from other output.
559 FIXME: Why do warnings use unfiltered output and errors filtered?
560 Is this anything other than a historical accident? */
565 target_terminal_ours ();
566 wrap_here (""); /* Force out any buffered output */
567 gdb_flush (gdb_stdout
);
568 if (warning_pre_print
)
569 fprintf_unfiltered (gdb_stderr
, warning_pre_print
);
572 /* Print a warning message.
573 The first argument STRING is the warning message, used as a fprintf string,
574 and the remaining args are passed as arguments to it.
575 The primary difference between warnings and errors is that a warning
576 does not force the return to command level. */
579 warning (const char *string
,...)
582 va_start (args
, string
);
584 (*warning_hook
) (string
, args
);
588 vfprintf_unfiltered (gdb_stderr
, string
, args
);
589 fprintf_unfiltered (gdb_stderr
, "\n");
594 /* Start the printing of an error message. Way to use this is to call
595 this, output the error message (use filtered output to gdb_stderr
596 (FIXME: Some callers, like memory_error, use gdb_stdout)), ending
597 in a newline, and then call return_to_top_level (RETURN_ERROR).
598 error() provides a convenient way to do this for the special case
599 that the error message can be formatted with a single printf call,
600 but this is more general. */
604 if (error_begin_hook
)
607 target_terminal_ours ();
608 wrap_here (""); /* Force out any buffered output */
609 gdb_flush (gdb_stdout
);
611 annotate_error_begin ();
614 fprintf_filtered (gdb_stderr
, error_pre_print
);
617 /* Print an error message and return to command level.
618 The first argument STRING is the error message, used as a fprintf string,
619 and the remaining args are passed as arguments to it. */
622 verror (const char *string
, va_list args
)
625 struct cleanup
*err_string_cleanup
;
626 /* FIXME: cagney/1999-11-10: All error calls should come here.
627 Unfortunately some code uses the sequence: error_begin(); print
628 error message; return_to_top_level. That code should be
631 /* NOTE: It's tempting to just do the following...
632 vfprintf_filtered (gdb_stderr, string, args);
633 and then follow with a similar looking statement to cause the message
634 to also go to gdb_lasterr. But if we do this, we'll be traversing the
635 va_list twice which works on some platforms and fails miserably on
637 /* Save it as the last error */
638 ui_file_rewind (gdb_lasterr
);
639 vfprintf_filtered (gdb_lasterr
, string
, args
);
640 /* Retrieve the last error and print it to gdb_stderr */
641 err_string
= error_last_message ();
642 err_string_cleanup
= make_cleanup (xfree
, err_string
);
643 fputs_filtered (err_string
, gdb_stderr
);
644 fprintf_filtered (gdb_stderr
, "\n");
645 do_cleanups (err_string_cleanup
);
646 return_to_top_level (RETURN_ERROR
);
650 error (const char *string
,...)
653 va_start (args
, string
);
654 verror (string
, args
);
659 error_stream (struct ui_file
*stream
)
662 char *msg
= ui_file_xstrdup (stream
, &size
);
663 make_cleanup (xfree
, msg
);
667 /* Get the last error message issued by gdb */
670 error_last_message (void)
673 return ui_file_xstrdup (gdb_lasterr
, &len
);
676 /* This is to be called by main() at the very beginning */
681 gdb_lasterr
= mem_fileopen ();
684 /* Print a message reporting an internal error. Ask the user if they
685 want to continue, dump core, or just exit. */
688 internal_verror (const char *file
, int line
,
689 const char *fmt
, va_list ap
)
691 static char msg
[] = "Internal GDB error: recursive internal error.\n";
692 static int dejavu
= 0;
696 /* don't allow infinite error recursion. */
704 fputs_unfiltered (msg
, gdb_stderr
);
705 internal_error (__FILE__
, __LINE__
, "failed internal consistency check");
708 write (STDERR_FILENO
, msg
, sizeof (msg
));
712 /* Try to get the message out */
713 target_terminal_ours ();
714 fprintf_unfiltered (gdb_stderr
, "%s:%d: gdb-internal-error: ", file
, line
);
715 vfprintf_unfiltered (gdb_stderr
, fmt
, ap
);
716 fputs_unfiltered ("\n", gdb_stderr
);
718 /* Default (no case) is to quit GDB. When in batch mode this
719 lessens the likelhood of GDB going into an infinate loop. */
720 continue_p
= query ("\
721 An internal GDB error was detected. This may make further\n\
722 debugging unreliable. Continue this debugging session? ");
724 /* Default (no case) is to not dump core. Lessen the chance of GDB
725 leaving random core files around. */
726 dump_core_p
= query ("\
727 Create a core file containing the current state of GDB? ");
734 internal_error (__FILE__
, __LINE__
, "failed internal consistency check");
740 internal_error (__FILE__
, __LINE__
, "failed internal consistency check");
746 return_to_top_level (RETURN_ERROR
);
750 internal_error (const char *file
, int line
, const char *string
, ...)
753 va_start (ap
, string
);
755 internal_verror (file
, line
, string
, ap
);
759 /* The strerror() function can return NULL for errno values that are
760 out of range. Provide a "safe" version that always returns a
764 safe_strerror (int errnum
)
769 if ((msg
= strerror (errnum
)) == NULL
)
771 sprintf (buf
, "(undocumented errno %d)", errnum
);
777 /* Print the system error message for errno, and also mention STRING
778 as the file name for which the error was encountered.
779 Then return to command level. */
782 perror_with_name (char *string
)
787 err
= safe_strerror (errno
);
788 combined
= (char *) alloca (strlen (err
) + strlen (string
) + 3);
789 strcpy (combined
, string
);
790 strcat (combined
, ": ");
791 strcat (combined
, err
);
793 /* I understand setting these is a matter of taste. Still, some people
794 may clear errno but not know about bfd_error. Doing this here is not
796 bfd_set_error (bfd_error_no_error
);
799 error ("%s.", combined
);
802 /* Print the system error message for ERRCODE, and also mention STRING
803 as the file name for which the error was encountered. */
806 print_sys_errmsg (char *string
, int errcode
)
811 err
= safe_strerror (errcode
);
812 combined
= (char *) alloca (strlen (err
) + strlen (string
) + 3);
813 strcpy (combined
, string
);
814 strcat (combined
, ": ");
815 strcat (combined
, err
);
817 /* We want anything which was printed on stdout to come out first, before
819 gdb_flush (gdb_stdout
);
820 fprintf_unfiltered (gdb_stderr
, "%s.\n", combined
);
823 /* Control C eventually causes this to be called, at a convenient time. */
828 serial_t gdb_stdout_serial
= serial_fdopen (1);
830 target_terminal_ours ();
832 /* We want all output to appear now, before we print "Quit". We
833 have 3 levels of buffering we have to flush (it's possible that
834 some of these should be changed to flush the lower-level ones
837 /* 1. The _filtered buffer. */
838 wrap_here ((char *) 0);
840 /* 2. The stdio buffer. */
841 gdb_flush (gdb_stdout
);
842 gdb_flush (gdb_stderr
);
844 /* 3. The system-level buffer. */
845 SERIAL_DRAIN_OUTPUT (gdb_stdout_serial
);
846 SERIAL_UN_FDOPEN (gdb_stdout_serial
);
848 annotate_error_begin ();
850 /* Don't use *_filtered; we don't want to prompt the user to continue. */
852 fprintf_unfiltered (gdb_stderr
, quit_pre_print
);
855 /* No steenking SIGINT will ever be coming our way when the
856 program is resumed. Don't lie. */
857 fprintf_unfiltered (gdb_stderr
, "Quit\n");
860 /* If there is no terminal switching for this target, then we can't
861 possibly get screwed by the lack of job control. */
862 || current_target
.to_terminal_ours
== NULL
)
863 fprintf_unfiltered (gdb_stderr
, "Quit\n");
865 fprintf_unfiltered (gdb_stderr
,
866 "Quit (expect signal SIGINT when the program is resumed)\n");
868 return_to_top_level (RETURN_QUIT
);
872 #if defined(_MSC_VER) /* should test for wingdb instead? */
875 * Windows translates all keyboard and mouse events
876 * into a message which is appended to the message
877 * queue for the process.
883 int k
= win32pollquit ();
890 #else /* !defined(_MSC_VER) */
895 /* Done by signals */
898 #endif /* !defined(_MSC_VER) */
900 /* Control C comes here */
902 request_quit (int signo
)
905 /* Restore the signal handler. Harmless with BSD-style signals, needed
906 for System V-style signals. So just always do it, rather than worrying
907 about USG defines and stuff like that. */
908 signal (signo
, request_quit
);
918 /* Memory management stuff (malloc friends). */
920 /* Make a substitute size_t for non-ANSI compilers. */
922 #ifndef HAVE_STDDEF_H
924 #define size_t unsigned int
928 #if !defined (USE_MMALLOC)
931 mcalloc (PTR md
, size_t number
, size_t size
)
933 return calloc (number
, size
);
937 mmalloc (PTR md
, size_t size
)
939 return malloc (size
);
943 mrealloc (PTR md
, PTR ptr
, size_t size
)
945 if (ptr
== 0) /* Guard against old realloc's */
946 return malloc (size
);
948 return realloc (ptr
, size
);
952 mfree (PTR md
, PTR ptr
)
957 #endif /* USE_MMALLOC */
959 #if !defined (USE_MMALLOC) || defined (NO_MMCHECK)
962 init_malloc (void *md
)
966 #else /* Have mmalloc and want corruption checking */
971 fprintf_unfiltered (gdb_stderr
, "Memory corruption\n");
972 internal_error (__FILE__
, __LINE__
, "failed internal consistency check");
975 /* Attempt to install hooks in mmalloc/mrealloc/mfree for the heap specified
976 by MD, to detect memory corruption. Note that MD may be NULL to specify
977 the default heap that grows via sbrk.
979 Note that for freshly created regions, we must call mmcheckf prior to any
980 mallocs in the region. Otherwise, any region which was allocated prior to
981 installing the checking hooks, which is later reallocated or freed, will
982 fail the checks! The mmcheck function only allows initial hooks to be
983 installed before the first mmalloc. However, anytime after we have called
984 mmcheck the first time to install the checking hooks, we can call it again
985 to update the function pointer to the memory corruption handler.
987 Returns zero on failure, non-zero on success. */
989 #ifndef MMCHECK_FORCE
990 #define MMCHECK_FORCE 0
994 init_malloc (void *md
)
996 if (!mmcheckf (md
, malloc_botch
, MMCHECK_FORCE
))
998 /* Don't use warning(), which relies on current_target being set
999 to something other than dummy_target, until after
1000 initialize_all_files(). */
1003 (gdb_stderr
, "warning: failed to install memory consistency checks; ");
1005 (gdb_stderr
, "configuration should define NO_MMCHECK or MMCHECK_FORCE\n");
1011 #endif /* Have mmalloc and want corruption checking */
1013 /* Called when a memory allocation fails, with the number of bytes of
1014 memory requested in SIZE. */
1021 internal_error (__FILE__
, __LINE__
,
1022 "virtual memory exhausted: can't allocate %ld bytes.", size
);
1026 internal_error (__FILE__
, __LINE__
,
1027 "virtual memory exhausted.");
1031 /* Like mmalloc but get error if no storage available, and protect against
1032 the caller wanting to allocate zero bytes. Whether to return NULL for
1033 a zero byte request, or translate the request into a request for one
1034 byte of zero'd storage, is a religious issue. */
1037 xmmalloc (PTR md
, long size
)
1045 else if ((val
= mmalloc (md
, size
)) == NULL
)
1052 /* Like mrealloc but get error if no storage available. */
1055 xmrealloc (PTR md
, PTR ptr
, long size
)
1069 val
= mrealloc (md
, ptr
, size
);
1073 val
= mmalloc (md
, size
);
1083 /* Like malloc but get error if no storage available, and protect against
1084 the caller wanting to allocate zero bytes. */
1087 xmalloc (size_t size
)
1089 return (xmmalloc ((PTR
) NULL
, size
));
1092 /* Like calloc but get error if no storage available */
1095 xcalloc (size_t number
, size_t size
)
1099 if (number
== 0 || size
== 0)
1103 mem
= mcalloc (NULL
, number
, size
);
1105 nomem (number
* size
);
1110 /* Like mrealloc but get error if no storage available. */
1113 xrealloc (PTR ptr
, size_t size
)
1115 return (xmrealloc ((PTR
) NULL
, ptr
, size
));
1118 /* Free up space allocated by one of xmalloc(), xcalloc(), or
1125 free (ptr
); /* NOTE: GDB's only call to free() */
1129 /* Like asprintf/vasprintf but get an internal_error if the call
1133 xasprintf (char **ret
, const char *format
, ...)
1136 va_start (args
, format
);
1137 xvasprintf (ret
, format
, args
);
1142 xvasprintf (char **ret
, const char *format
, va_list ap
)
1144 int status
= vasprintf (ret
, format
, ap
);
1145 /* NULL could be returned due to a memory allocation problem; a
1146 badly format string; or something else. */
1148 internal_error (__FILE__
, __LINE__
,
1149 "vasprintf returned NULL buffer (errno %d)",
1151 /* A negative status with a non-NULL buffer shouldn't never
1152 happen. But to be sure. */
1154 internal_error (__FILE__
, __LINE__
,
1155 "vasprintf call failed (errno %d)",
1160 /* My replacement for the read system call.
1161 Used like `read' but keeps going if `read' returns too soon. */
1164 myread (int desc
, char *addr
, int len
)
1171 val
= read (desc
, addr
, len
);
1175 return orglen
- len
;
1182 /* Make a copy of the string at PTR with SIZE characters
1183 (and add a null character at the end in the copy).
1184 Uses malloc to get the space. Returns the address of the copy. */
1187 savestring (const char *ptr
, size_t size
)
1189 register char *p
= (char *) xmalloc (size
+ 1);
1190 memcpy (p
, ptr
, size
);
1196 msavestring (void *md
, const char *ptr
, size_t size
)
1198 register char *p
= (char *) xmmalloc (md
, size
+ 1);
1199 memcpy (p
, ptr
, size
);
1205 mstrsave (void *md
, const char *ptr
)
1207 return (msavestring (md
, ptr
, strlen (ptr
)));
1211 print_spaces (register int n
, register struct ui_file
*file
)
1213 fputs_unfiltered (n_spaces (n
), file
);
1216 /* Print a host address. */
1219 gdb_print_host_address (void *addr
, struct ui_file
*stream
)
1222 /* We could use the %p conversion specifier to fprintf if we had any
1223 way of knowing whether this host supports it. But the following
1224 should work on the Alpha and on 32 bit machines. */
1226 fprintf_filtered (stream
, "0x%lx", (unsigned long) addr
);
1229 /* Ask user a y-or-n question and return 1 iff answer is yes.
1230 Takes three args which are given to printf to print the question.
1231 The first, a control string, should end in "? ".
1232 It should not say how to answer, because we do that. */
1236 query (char *ctlstr
,...)
1239 register int answer
;
1243 va_start (args
, ctlstr
);
1247 return query_hook (ctlstr
, args
);
1250 /* Automatically answer "yes" if input is not from a terminal. */
1251 if (!input_from_terminal_p ())
1254 /* FIXME Automatically answer "yes" if called from MacGDB. */
1261 wrap_here (""); /* Flush any buffered output */
1262 gdb_flush (gdb_stdout
);
1264 if (annotation_level
> 1)
1265 printf_filtered ("\n\032\032pre-query\n");
1267 vfprintf_filtered (gdb_stdout
, ctlstr
, args
);
1268 printf_filtered ("(y or n) ");
1270 if (annotation_level
> 1)
1271 printf_filtered ("\n\032\032query\n");
1274 /* If not in MacGDB, move to a new line so the entered line doesn't
1275 have a prompt on the front of it. */
1277 fputs_unfiltered ("\n", gdb_stdout
);
1281 gdb_flush (gdb_stdout
);
1284 if (!tui_version
|| cmdWin
== tuiWinWithFocus ())
1286 answer
= fgetc (stdin
);
1289 answer
= (unsigned char) tuiBufferGetc ();
1292 clearerr (stdin
); /* in case of C-d */
1293 if (answer
== EOF
) /* C-d */
1298 /* Eat rest of input line, to EOF or newline */
1299 if ((answer
!= '\n') || (tui_version
&& answer
!= '\r'))
1303 if (!tui_version
|| cmdWin
== tuiWinWithFocus ())
1305 ans2
= fgetc (stdin
);
1308 ans2
= (unsigned char) tuiBufferGetc ();
1312 while (ans2
!= EOF
&& ans2
!= '\n' && ans2
!= '\r');
1313 TUIDO (((TuiOpaqueFuncPtr
) tui_vStartNewLines
, 1));
1327 printf_filtered ("Please answer y or n.\n");
1330 if (annotation_level
> 1)
1331 printf_filtered ("\n\032\032post-query\n");
1336 /* Parse a C escape sequence. STRING_PTR points to a variable
1337 containing a pointer to the string to parse. That pointer
1338 should point to the character after the \. That pointer
1339 is updated past the characters we use. The value of the
1340 escape sequence is returned.
1342 A negative value means the sequence \ newline was seen,
1343 which is supposed to be equivalent to nothing at all.
1345 If \ is followed by a null character, we return a negative
1346 value and leave the string pointer pointing at the null character.
1348 If \ is followed by 000, we return 0 and leave the string pointer
1349 after the zeros. A value of 0 does not mean end of string. */
1352 parse_escape (char **string_ptr
)
1354 register int c
= *(*string_ptr
)++;
1358 return 007; /* Bell (alert) char */
1361 case 'e': /* Escape character */
1379 c
= *(*string_ptr
)++;
1381 c
= parse_escape (string_ptr
);
1384 return (c
& 0200) | (c
& 037);
1395 register int i
= c
- '0';
1396 register int count
= 0;
1399 if ((c
= *(*string_ptr
)++) >= '0' && c
<= '7')
1417 /* Print the character C on STREAM as part of the contents of a literal
1418 string whose delimiter is QUOTER. Note that this routine should only
1419 be call for printing things which are independent of the language
1420 of the program being debugged. */
1423 printchar (int c
, void (*do_fputs
) (const char *, struct ui_file
*),
1424 void (*do_fprintf
) (struct ui_file
*, const char *, ...),
1425 struct ui_file
*stream
, int quoter
)
1428 c
&= 0xFF; /* Avoid sign bit follies */
1430 if (c
< 0x20 || /* Low control chars */
1431 (c
>= 0x7F && c
< 0xA0) || /* DEL, High controls */
1432 (sevenbit_strings
&& c
>= 0x80))
1433 { /* high order bit set */
1437 do_fputs ("\\n", stream
);
1440 do_fputs ("\\b", stream
);
1443 do_fputs ("\\t", stream
);
1446 do_fputs ("\\f", stream
);
1449 do_fputs ("\\r", stream
);
1452 do_fputs ("\\e", stream
);
1455 do_fputs ("\\a", stream
);
1458 do_fprintf (stream
, "\\%.3o", (unsigned int) c
);
1464 if (c
== '\\' || c
== quoter
)
1465 do_fputs ("\\", stream
);
1466 do_fprintf (stream
, "%c", c
);
1470 /* Print the character C on STREAM as part of the contents of a
1471 literal string whose delimiter is QUOTER. Note that these routines
1472 should only be call for printing things which are independent of
1473 the language of the program being debugged. */
1476 fputstr_filtered (const char *str
, int quoter
, struct ui_file
*stream
)
1479 printchar (*str
++, fputs_filtered
, fprintf_filtered
, stream
, quoter
);
1483 fputstr_unfiltered (const char *str
, int quoter
, struct ui_file
*stream
)
1486 printchar (*str
++, fputs_unfiltered
, fprintf_unfiltered
, stream
, quoter
);
1490 fputstrn_unfiltered (const char *str
, int n
, int quoter
, struct ui_file
*stream
)
1493 for (i
= 0; i
< n
; i
++)
1494 printchar (str
[i
], fputs_unfiltered
, fprintf_unfiltered
, stream
, quoter
);
1499 /* Number of lines per page or UINT_MAX if paging is disabled. */
1500 static unsigned int lines_per_page
;
1501 /* Number of chars per line or UINT_MAX if line folding is disabled. */
1502 static unsigned int chars_per_line
;
1503 /* Current count of lines printed on this page, chars on this line. */
1504 static unsigned int lines_printed
, chars_printed
;
1506 /* Buffer and start column of buffered text, for doing smarter word-
1507 wrapping. When someone calls wrap_here(), we start buffering output
1508 that comes through fputs_filtered(). If we see a newline, we just
1509 spit it out and forget about the wrap_here(). If we see another
1510 wrap_here(), we spit it out and remember the newer one. If we see
1511 the end of the line, we spit out a newline, the indent, and then
1512 the buffered output. */
1514 /* Malloc'd buffer with chars_per_line+2 bytes. Contains characters which
1515 are waiting to be output (they have already been counted in chars_printed).
1516 When wrap_buffer[0] is null, the buffer is empty. */
1517 static char *wrap_buffer
;
1519 /* Pointer in wrap_buffer to the next character to fill. */
1520 static char *wrap_pointer
;
1522 /* String to indent by if the wrap occurs. Must not be NULL if wrap_column
1524 static char *wrap_indent
;
1526 /* Column number on the screen where wrap_buffer begins, or 0 if wrapping
1527 is not in effect. */
1528 static int wrap_column
;
1531 /* Inialize the lines and chars per page */
1533 init_page_info (void)
1536 if (tui_version
&& m_winPtrNotNull (cmdWin
))
1538 lines_per_page
= cmdWin
->generic
.height
;
1539 chars_per_line
= cmdWin
->generic
.width
;
1544 /* These defaults will be used if we are unable to get the correct
1545 values from termcap. */
1546 #if defined(__GO32__)
1547 lines_per_page
= ScreenRows ();
1548 chars_per_line
= ScreenCols ();
1550 lines_per_page
= 24;
1551 chars_per_line
= 80;
1553 #if !defined (MPW) && !defined (_WIN32)
1554 /* No termcap under MPW, although might be cool to do something
1555 by looking at worksheet or console window sizes. */
1556 /* Initialize the screen height and width from termcap. */
1558 char *termtype
= getenv ("TERM");
1560 /* Positive means success, nonpositive means failure. */
1563 /* 2048 is large enough for all known terminals, according to the
1564 GNU termcap manual. */
1565 char term_buffer
[2048];
1569 status
= tgetent (term_buffer
, termtype
);
1573 int running_in_emacs
= getenv ("EMACS") != NULL
;
1575 val
= tgetnum ("li");
1576 if (val
>= 0 && !running_in_emacs
)
1577 lines_per_page
= val
;
1579 /* The number of lines per page is not mentioned
1580 in the terminal description. This probably means
1581 that paging is not useful (e.g. emacs shell window),
1582 so disable paging. */
1583 lines_per_page
= UINT_MAX
;
1585 val
= tgetnum ("co");
1587 chars_per_line
= val
;
1593 #if defined(SIGWINCH) && defined(SIGWINCH_HANDLER)
1595 /* If there is a better way to determine the window size, use it. */
1596 SIGWINCH_HANDLER (SIGWINCH
);
1599 /* If the output is not a terminal, don't paginate it. */
1600 if (!ui_file_isatty (gdb_stdout
))
1601 lines_per_page
= UINT_MAX
;
1602 } /* the command_line_version */
1609 if (chars_per_line
== 0)
1614 wrap_buffer
= (char *) xmalloc (chars_per_line
+ 2);
1615 wrap_buffer
[0] = '\0';
1618 wrap_buffer
= (char *) xrealloc (wrap_buffer
, chars_per_line
+ 2);
1619 wrap_pointer
= wrap_buffer
; /* Start it at the beginning */
1624 set_width_command (char *args
, int from_tty
, struct cmd_list_element
*c
)
1629 /* Wait, so the user can read what's on the screen. Prompt the user
1630 to continue by pressing RETURN. */
1633 prompt_for_continue (void)
1636 char cont_prompt
[120];
1638 if (annotation_level
> 1)
1639 printf_unfiltered ("\n\032\032pre-prompt-for-continue\n");
1641 strcpy (cont_prompt
,
1642 "---Type <return> to continue, or q <return> to quit---");
1643 if (annotation_level
> 1)
1644 strcat (cont_prompt
, "\n\032\032prompt-for-continue\n");
1646 /* We must do this *before* we call gdb_readline, else it will eventually
1647 call us -- thinking that we're trying to print beyond the end of the
1649 reinitialize_more_filter ();
1652 /* On a real operating system, the user can quit with SIGINT.
1655 'q' is provided on all systems so users don't have to change habits
1656 from system to system, and because telling them what to do in
1657 the prompt is more user-friendly than expecting them to think of
1659 /* Call readline, not gdb_readline, because GO32 readline handles control-C
1660 whereas control-C to gdb_readline will cause the user to get dumped
1662 ignore
= readline (cont_prompt
);
1664 if (annotation_level
> 1)
1665 printf_unfiltered ("\n\032\032post-prompt-for-continue\n");
1670 while (*p
== ' ' || *p
== '\t')
1675 request_quit (SIGINT
);
1677 async_request_quit (0);
1683 /* Now we have to do this again, so that GDB will know that it doesn't
1684 need to save the ---Type <return>--- line at the top of the screen. */
1685 reinitialize_more_filter ();
1687 dont_repeat (); /* Forget prev cmd -- CR won't repeat it. */
1690 /* Reinitialize filter; ie. tell it to reset to original values. */
1693 reinitialize_more_filter (void)
1699 /* Indicate that if the next sequence of characters overflows the line,
1700 a newline should be inserted here rather than when it hits the end.
1701 If INDENT is non-null, it is a string to be printed to indent the
1702 wrapped part on the next line. INDENT must remain accessible until
1703 the next call to wrap_here() or until a newline is printed through
1706 If the line is already overfull, we immediately print a newline and
1707 the indentation, and disable further wrapping.
1709 If we don't know the width of lines, but we know the page height,
1710 we must not wrap words, but should still keep track of newlines
1711 that were explicitly printed.
1713 INDENT should not contain tabs, as that will mess up the char count
1714 on the next line. FIXME.
1716 This routine is guaranteed to force out any output which has been
1717 squirreled away in the wrap_buffer, so wrap_here ((char *)0) can be
1718 used to force out output from the wrap_buffer. */
1721 wrap_here (char *indent
)
1723 /* This should have been allocated, but be paranoid anyway. */
1725 internal_error (__FILE__
, __LINE__
, "failed internal consistency check");
1729 *wrap_pointer
= '\0';
1730 fputs_unfiltered (wrap_buffer
, gdb_stdout
);
1732 wrap_pointer
= wrap_buffer
;
1733 wrap_buffer
[0] = '\0';
1734 if (chars_per_line
== UINT_MAX
) /* No line overflow checking */
1738 else if (chars_printed
>= chars_per_line
)
1740 puts_filtered ("\n");
1742 puts_filtered (indent
);
1747 wrap_column
= chars_printed
;
1751 wrap_indent
= indent
;
1755 /* Ensure that whatever gets printed next, using the filtered output
1756 commands, starts at the beginning of the line. I.E. if there is
1757 any pending output for the current line, flush it and start a new
1758 line. Otherwise do nothing. */
1763 if (chars_printed
> 0)
1765 puts_filtered ("\n");
1770 /* Like fputs but if FILTER is true, pause after every screenful.
1772 Regardless of FILTER can wrap at points other than the final
1773 character of a line.
1775 Unlike fputs, fputs_maybe_filtered does not return a value.
1776 It is OK for LINEBUFFER to be NULL, in which case just don't print
1779 Note that a longjmp to top level may occur in this routine (only if
1780 FILTER is true) (since prompt_for_continue may do so) so this
1781 routine should not be called when cleanups are not in place. */
1784 fputs_maybe_filtered (const char *linebuffer
, struct ui_file
*stream
,
1787 const char *lineptr
;
1789 if (linebuffer
== 0)
1792 /* Don't do any filtering if it is disabled. */
1793 if ((stream
!= gdb_stdout
) || !pagination_enabled
1794 || (lines_per_page
== UINT_MAX
&& chars_per_line
== UINT_MAX
))
1796 fputs_unfiltered (linebuffer
, stream
);
1800 /* Go through and output each character. Show line extension
1801 when this is necessary; prompt user for new page when this is
1804 lineptr
= linebuffer
;
1807 /* Possible new page. */
1809 (lines_printed
>= lines_per_page
- 1))
1810 prompt_for_continue ();
1812 while (*lineptr
&& *lineptr
!= '\n')
1814 /* Print a single line. */
1815 if (*lineptr
== '\t')
1818 *wrap_pointer
++ = '\t';
1820 fputc_unfiltered ('\t', stream
);
1821 /* Shifting right by 3 produces the number of tab stops
1822 we have already passed, and then adding one and
1823 shifting left 3 advances to the next tab stop. */
1824 chars_printed
= ((chars_printed
>> 3) + 1) << 3;
1830 *wrap_pointer
++ = *lineptr
;
1832 fputc_unfiltered (*lineptr
, stream
);
1837 if (chars_printed
>= chars_per_line
)
1839 unsigned int save_chars
= chars_printed
;
1843 /* If we aren't actually wrapping, don't output newline --
1844 if chars_per_line is right, we probably just overflowed
1845 anyway; if it's wrong, let us keep going. */
1847 fputc_unfiltered ('\n', stream
);
1849 /* Possible new page. */
1850 if (lines_printed
>= lines_per_page
- 1)
1851 prompt_for_continue ();
1853 /* Now output indentation and wrapped string */
1856 fputs_unfiltered (wrap_indent
, stream
);
1857 *wrap_pointer
= '\0'; /* Null-terminate saved stuff */
1858 fputs_unfiltered (wrap_buffer
, stream
); /* and eject it */
1859 /* FIXME, this strlen is what prevents wrap_indent from
1860 containing tabs. However, if we recurse to print it
1861 and count its chars, we risk trouble if wrap_indent is
1862 longer than (the user settable) chars_per_line.
1863 Note also that this can set chars_printed > chars_per_line
1864 if we are printing a long string. */
1865 chars_printed
= strlen (wrap_indent
)
1866 + (save_chars
- wrap_column
);
1867 wrap_pointer
= wrap_buffer
; /* Reset buffer */
1868 wrap_buffer
[0] = '\0';
1869 wrap_column
= 0; /* And disable fancy wrap */
1874 if (*lineptr
== '\n')
1877 wrap_here ((char *) 0); /* Spit out chars, cancel further wraps */
1879 fputc_unfiltered ('\n', stream
);
1886 fputs_filtered (const char *linebuffer
, struct ui_file
*stream
)
1888 fputs_maybe_filtered (linebuffer
, stream
, 1);
1892 putchar_unfiltered (int c
)
1895 ui_file_write (gdb_stdout
, &buf
, 1);
1899 /* Write character C to gdb_stdout using GDB's paging mechanism and return C.
1900 May return nonlocally. */
1903 putchar_filtered (int c
)
1905 return fputc_filtered (c
, gdb_stdout
);
1909 fputc_unfiltered (int c
, struct ui_file
*stream
)
1912 ui_file_write (stream
, &buf
, 1);
1917 fputc_filtered (int c
, struct ui_file
*stream
)
1923 fputs_filtered (buf
, stream
);
1927 /* puts_debug is like fputs_unfiltered, except it prints special
1928 characters in printable fashion. */
1931 puts_debug (char *prefix
, char *string
, char *suffix
)
1935 /* Print prefix and suffix after each line. */
1936 static int new_line
= 1;
1937 static int return_p
= 0;
1938 static char *prev_prefix
= "";
1939 static char *prev_suffix
= "";
1941 if (*string
== '\n')
1944 /* If the prefix is changing, print the previous suffix, a new line,
1945 and the new prefix. */
1946 if ((return_p
|| (strcmp (prev_prefix
, prefix
) != 0)) && !new_line
)
1948 fputs_unfiltered (prev_suffix
, gdb_stdlog
);
1949 fputs_unfiltered ("\n", gdb_stdlog
);
1950 fputs_unfiltered (prefix
, gdb_stdlog
);
1953 /* Print prefix if we printed a newline during the previous call. */
1957 fputs_unfiltered (prefix
, gdb_stdlog
);
1960 prev_prefix
= prefix
;
1961 prev_suffix
= suffix
;
1963 /* Output characters in a printable format. */
1964 while ((ch
= *string
++) != '\0')
1970 fputc_unfiltered (ch
, gdb_stdlog
);
1973 fprintf_unfiltered (gdb_stdlog
, "\\x%02x", ch
& 0xff);
1977 fputs_unfiltered ("\\\\", gdb_stdlog
);
1980 fputs_unfiltered ("\\b", gdb_stdlog
);
1983 fputs_unfiltered ("\\f", gdb_stdlog
);
1987 fputs_unfiltered ("\\n", gdb_stdlog
);
1990 fputs_unfiltered ("\\r", gdb_stdlog
);
1993 fputs_unfiltered ("\\t", gdb_stdlog
);
1996 fputs_unfiltered ("\\v", gdb_stdlog
);
2000 return_p
= ch
== '\r';
2003 /* Print suffix if we printed a newline. */
2006 fputs_unfiltered (suffix
, gdb_stdlog
);
2007 fputs_unfiltered ("\n", gdb_stdlog
);
2012 /* Print a variable number of ARGS using format FORMAT. If this
2013 information is going to put the amount written (since the last call
2014 to REINITIALIZE_MORE_FILTER or the last page break) over the page size,
2015 call prompt_for_continue to get the users permision to continue.
2017 Unlike fprintf, this function does not return a value.
2019 We implement three variants, vfprintf (takes a vararg list and stream),
2020 fprintf (takes a stream to write on), and printf (the usual).
2022 Note also that a longjmp to top level may occur in this routine
2023 (since prompt_for_continue may do so) so this routine should not be
2024 called when cleanups are not in place. */
2027 vfprintf_maybe_filtered (struct ui_file
*stream
, const char *format
,
2028 va_list args
, int filter
)
2031 struct cleanup
*old_cleanups
;
2033 xvasprintf (&linebuffer
, format
, args
);
2034 old_cleanups
= make_cleanup (xfree
, linebuffer
);
2035 fputs_maybe_filtered (linebuffer
, stream
, filter
);
2036 do_cleanups (old_cleanups
);
2041 vfprintf_filtered (struct ui_file
*stream
, const char *format
, va_list args
)
2043 vfprintf_maybe_filtered (stream
, format
, args
, 1);
2047 vfprintf_unfiltered (struct ui_file
*stream
, const char *format
, va_list args
)
2050 struct cleanup
*old_cleanups
;
2052 xvasprintf (&linebuffer
, format
, args
);
2053 old_cleanups
= make_cleanup (xfree
, linebuffer
);
2054 fputs_unfiltered (linebuffer
, stream
);
2055 do_cleanups (old_cleanups
);
2059 vprintf_filtered (const char *format
, va_list args
)
2061 vfprintf_maybe_filtered (gdb_stdout
, format
, args
, 1);
2065 vprintf_unfiltered (const char *format
, va_list args
)
2067 vfprintf_unfiltered (gdb_stdout
, format
, args
);
2071 fprintf_filtered (struct ui_file
* stream
, const char *format
,...)
2074 va_start (args
, format
);
2075 vfprintf_filtered (stream
, format
, args
);
2080 fprintf_unfiltered (struct ui_file
* stream
, const char *format
,...)
2083 va_start (args
, format
);
2084 vfprintf_unfiltered (stream
, format
, args
);
2088 /* Like fprintf_filtered, but prints its result indented.
2089 Called as fprintfi_filtered (spaces, stream, format, ...); */
2092 fprintfi_filtered (int spaces
, struct ui_file
* stream
, const char *format
,...)
2095 va_start (args
, format
);
2096 print_spaces_filtered (spaces
, stream
);
2098 vfprintf_filtered (stream
, format
, args
);
2104 printf_filtered (const char *format
,...)
2107 va_start (args
, format
);
2108 vfprintf_filtered (gdb_stdout
, format
, args
);
2114 printf_unfiltered (const char *format
,...)
2117 va_start (args
, format
);
2118 vfprintf_unfiltered (gdb_stdout
, format
, args
);
2122 /* Like printf_filtered, but prints it's result indented.
2123 Called as printfi_filtered (spaces, format, ...); */
2126 printfi_filtered (int spaces
, const char *format
,...)
2129 va_start (args
, format
);
2130 print_spaces_filtered (spaces
, gdb_stdout
);
2131 vfprintf_filtered (gdb_stdout
, format
, args
);
2135 /* Easy -- but watch out!
2137 This routine is *not* a replacement for puts()! puts() appends a newline.
2138 This one doesn't, and had better not! */
2141 puts_filtered (const char *string
)
2143 fputs_filtered (string
, gdb_stdout
);
2147 puts_unfiltered (const char *string
)
2149 fputs_unfiltered (string
, gdb_stdout
);
2152 /* Return a pointer to N spaces and a null. The pointer is good
2153 until the next call to here. */
2158 static char *spaces
= 0;
2159 static int max_spaces
= -1;
2165 spaces
= (char *) xmalloc (n
+ 1);
2166 for (t
= spaces
+ n
; t
!= spaces
;)
2172 return spaces
+ max_spaces
- n
;
2175 /* Print N spaces. */
2177 print_spaces_filtered (int n
, struct ui_file
*stream
)
2179 fputs_filtered (n_spaces (n
), stream
);
2182 /* C++ demangler stuff. */
2184 /* fprintf_symbol_filtered attempts to demangle NAME, a symbol in language
2185 LANG, using demangling args ARG_MODE, and print it filtered to STREAM.
2186 If the name is not mangled, or the language for the name is unknown, or
2187 demangling is off, the name is printed in its "raw" form. */
2190 fprintf_symbol_filtered (struct ui_file
*stream
, char *name
, enum language lang
,
2197 /* If user wants to see raw output, no problem. */
2200 fputs_filtered (name
, stream
);
2206 case language_cplus
:
2207 demangled
= cplus_demangle (name
, arg_mode
);
2210 demangled
= cplus_demangle (name
, arg_mode
| DMGL_JAVA
);
2212 case language_chill
:
2213 demangled
= chill_demangle (name
);
2219 fputs_filtered (demangled
? demangled
: name
, stream
);
2220 if (demangled
!= NULL
)
2228 /* Do a strcmp() type operation on STRING1 and STRING2, ignoring any
2229 differences in whitespace. Returns 0 if they match, non-zero if they
2230 don't (slightly different than strcmp()'s range of return values).
2232 As an extra hack, string1=="FOO(ARGS)" matches string2=="FOO".
2233 This "feature" is useful when searching for matching C++ function names
2234 (such as if the user types 'break FOO', where FOO is a mangled C++
2238 strcmp_iw (const char *string1
, const char *string2
)
2240 while ((*string1
!= '\0') && (*string2
!= '\0'))
2242 while (isspace (*string1
))
2246 while (isspace (*string2
))
2250 if (*string1
!= *string2
)
2254 if (*string1
!= '\0')
2260 return (*string1
!= '\0' && *string1
!= '(') || (*string2
!= '\0');
2266 ** Answer whether string_to_compare is a full or partial match to
2267 ** template_string. The partial match must be in sequence starting
2271 subset_compare (char *string_to_compare
, char *template_string
)
2274 if (template_string
!= (char *) NULL
&& string_to_compare
!= (char *) NULL
&&
2275 strlen (string_to_compare
) <= strlen (template_string
))
2276 match
= (strncmp (template_string
,
2278 strlen (string_to_compare
)) == 0);
2285 static void pagination_on_command (char *arg
, int from_tty
);
2287 pagination_on_command (char *arg
, int from_tty
)
2289 pagination_enabled
= 1;
2292 static void pagination_on_command (char *arg
, int from_tty
);
2294 pagination_off_command (char *arg
, int from_tty
)
2296 pagination_enabled
= 0;
2301 initialize_utils (void)
2303 struct cmd_list_element
*c
;
2305 c
= add_set_cmd ("width", class_support
, var_uinteger
,
2306 (char *) &chars_per_line
,
2307 "Set number of characters gdb thinks are in a line.",
2309 add_show_from_set (c
, &showlist
);
2310 c
->function
.sfunc
= set_width_command
;
2313 (add_set_cmd ("height", class_support
,
2314 var_uinteger
, (char *) &lines_per_page
,
2315 "Set number of lines gdb thinks are in a page.", &setlist
),
2320 /* If the output is not a terminal, don't paginate it. */
2321 if (!ui_file_isatty (gdb_stdout
))
2322 lines_per_page
= UINT_MAX
;
2324 set_width_command ((char *) NULL
, 0, c
);
2327 (add_set_cmd ("demangle", class_support
, var_boolean
,
2329 "Set demangling of encoded C++ names when displaying symbols.",
2334 (add_set_cmd ("pagination", class_support
,
2335 var_boolean
, (char *) &pagination_enabled
,
2336 "Set state of pagination.", &setlist
),
2341 add_com ("am", class_support
, pagination_on_command
,
2342 "Enable pagination");
2343 add_com ("sm", class_support
, pagination_off_command
,
2344 "Disable pagination");
2348 (add_set_cmd ("sevenbit-strings", class_support
, var_boolean
,
2349 (char *) &sevenbit_strings
,
2350 "Set printing of 8-bit characters in strings as \\nnn.",
2355 (add_set_cmd ("asm-demangle", class_support
, var_boolean
,
2356 (char *) &asm_demangle
,
2357 "Set demangling of C++ names in disassembly listings.",
2362 /* Machine specific function to handle SIGWINCH signal. */
2364 #ifdef SIGWINCH_HANDLER_BODY
2365 SIGWINCH_HANDLER_BODY
2368 /* Support for converting target fp numbers into host DOUBLEST format. */
2370 /* XXX - This code should really be in libiberty/floatformat.c, however
2371 configuration issues with libiberty made this very difficult to do in the
2374 #include "floatformat.h"
2375 #include <math.h> /* ldexp */
2377 /* The odds that CHAR_BIT will be anything but 8 are low enough that I'm not
2378 going to bother with trying to muck around with whether it is defined in
2379 a system header, what we do if not, etc. */
2380 #define FLOATFORMAT_CHAR_BIT 8
2382 static unsigned long get_field (unsigned char *,
2383 enum floatformat_byteorders
,
2384 unsigned int, unsigned int, unsigned int);
2386 /* Extract a field which starts at START and is LEN bytes long. DATA and
2387 TOTAL_LEN are the thing we are extracting it from, in byteorder ORDER. */
2388 static unsigned long
2389 get_field (unsigned char *data
, enum floatformat_byteorders order
,
2390 unsigned int total_len
, unsigned int start
, unsigned int len
)
2392 unsigned long result
;
2393 unsigned int cur_byte
;
2396 /* Start at the least significant part of the field. */
2397 if (order
== floatformat_little
|| order
== floatformat_littlebyte_bigword
)
2399 /* We start counting from the other end (i.e, from the high bytes
2400 rather than the low bytes). As such, we need to be concerned
2401 with what happens if bit 0 doesn't start on a byte boundary.
2402 I.e, we need to properly handle the case where total_len is
2403 not evenly divisible by 8. So we compute ``excess'' which
2404 represents the number of bits from the end of our starting
2405 byte needed to get to bit 0. */
2406 int excess
= FLOATFORMAT_CHAR_BIT
- (total_len
% FLOATFORMAT_CHAR_BIT
);
2407 cur_byte
= (total_len
/ FLOATFORMAT_CHAR_BIT
)
2408 - ((start
+ len
+ excess
) / FLOATFORMAT_CHAR_BIT
);
2409 cur_bitshift
= ((start
+ len
+ excess
) % FLOATFORMAT_CHAR_BIT
)
2410 - FLOATFORMAT_CHAR_BIT
;
2414 cur_byte
= (start
+ len
) / FLOATFORMAT_CHAR_BIT
;
2416 ((start
+ len
) % FLOATFORMAT_CHAR_BIT
) - FLOATFORMAT_CHAR_BIT
;
2418 if (cur_bitshift
> -FLOATFORMAT_CHAR_BIT
)
2419 result
= *(data
+ cur_byte
) >> (-cur_bitshift
);
2422 cur_bitshift
+= FLOATFORMAT_CHAR_BIT
;
2423 if (order
== floatformat_little
|| order
== floatformat_littlebyte_bigword
)
2428 /* Move towards the most significant part of the field. */
2429 while (cur_bitshift
< len
)
2431 result
|= (unsigned long)*(data
+ cur_byte
) << cur_bitshift
;
2432 cur_bitshift
+= FLOATFORMAT_CHAR_BIT
;
2433 if (order
== floatformat_little
|| order
== floatformat_littlebyte_bigword
)
2438 if (len
< sizeof(result
) * FLOATFORMAT_CHAR_BIT
)
2439 /* Mask out bits which are not part of the field */
2440 result
&= ((1UL << len
) - 1);
2444 /* Convert from FMT to a DOUBLEST.
2445 FROM is the address of the extended float.
2446 Store the DOUBLEST in *TO. */
2449 floatformat_to_doublest (const struct floatformat
*fmt
, char *from
,
2452 unsigned char *ufrom
= (unsigned char *) from
;
2456 unsigned int mant_bits
, mant_off
;
2458 int special_exponent
; /* It's a NaN, denorm or zero */
2460 /* If the mantissa bits are not contiguous from one end of the
2461 mantissa to the other, we need to make a private copy of the
2462 source bytes that is in the right order since the unpacking
2463 algorithm assumes that the bits are contiguous.
2465 Swap the bytes individually rather than accessing them through
2466 "long *" since we have no guarantee that they start on a long
2467 alignment, and also sizeof(long) for the host could be different
2468 than sizeof(long) for the target. FIXME: Assumes sizeof(long)
2469 for the target is 4. */
2471 if (fmt
->byteorder
== floatformat_littlebyte_bigword
)
2473 static unsigned char *newfrom
;
2474 unsigned char *swapin
, *swapout
;
2477 longswaps
= fmt
->totalsize
/ FLOATFORMAT_CHAR_BIT
;
2480 if (newfrom
== NULL
)
2482 newfrom
= (unsigned char *) xmalloc (fmt
->totalsize
);
2487 while (longswaps
-- > 0)
2489 /* This is ugly, but efficient */
2490 *swapout
++ = swapin
[4];
2491 *swapout
++ = swapin
[5];
2492 *swapout
++ = swapin
[6];
2493 *swapout
++ = swapin
[7];
2494 *swapout
++ = swapin
[0];
2495 *swapout
++ = swapin
[1];
2496 *swapout
++ = swapin
[2];
2497 *swapout
++ = swapin
[3];
2502 exponent
= get_field (ufrom
, fmt
->byteorder
, fmt
->totalsize
,
2503 fmt
->exp_start
, fmt
->exp_len
);
2504 /* Note that if exponent indicates a NaN, we can't really do anything useful
2505 (not knowing if the host has NaN's, or how to build one). So it will
2506 end up as an infinity or something close; that is OK. */
2508 mant_bits_left
= fmt
->man_len
;
2509 mant_off
= fmt
->man_start
;
2512 special_exponent
= exponent
== 0 || exponent
== fmt
->exp_nan
;
2514 /* Don't bias NaNs. Use minimum exponent for denorms. For simplicity,
2515 we don't check for zero as the exponent doesn't matter. */
2516 if (!special_exponent
)
2517 exponent
-= fmt
->exp_bias
;
2518 else if (exponent
== 0)
2519 exponent
= 1 - fmt
->exp_bias
;
2521 /* Build the result algebraically. Might go infinite, underflow, etc;
2524 /* If this format uses a hidden bit, explicitly add it in now. Otherwise,
2525 increment the exponent by one to account for the integer bit. */
2527 if (!special_exponent
)
2529 if (fmt
->intbit
== floatformat_intbit_no
)
2530 dto
= ldexp (1.0, exponent
);
2535 while (mant_bits_left
> 0)
2537 mant_bits
= min (mant_bits_left
, 32);
2539 mant
= get_field (ufrom
, fmt
->byteorder
, fmt
->totalsize
,
2540 mant_off
, mant_bits
);
2542 dto
+= ldexp ((double) mant
, exponent
- mant_bits
);
2543 exponent
-= mant_bits
;
2544 mant_off
+= mant_bits
;
2545 mant_bits_left
-= mant_bits
;
2548 /* Negate it if negative. */
2549 if (get_field (ufrom
, fmt
->byteorder
, fmt
->totalsize
, fmt
->sign_start
, 1))
2554 static void put_field (unsigned char *, enum floatformat_byteorders
,
2556 unsigned int, unsigned int, unsigned long);
2558 /* Set a field which starts at START and is LEN bytes long. DATA and
2559 TOTAL_LEN are the thing we are extracting it from, in byteorder ORDER. */
2561 put_field (unsigned char *data
, enum floatformat_byteorders order
,
2562 unsigned int total_len
, unsigned int start
, unsigned int len
,
2563 unsigned long stuff_to_put
)
2565 unsigned int cur_byte
;
2568 /* Start at the least significant part of the field. */
2569 if (order
== floatformat_little
|| order
== floatformat_littlebyte_bigword
)
2571 int excess
= FLOATFORMAT_CHAR_BIT
- (total_len
% FLOATFORMAT_CHAR_BIT
);
2572 cur_byte
= (total_len
/ FLOATFORMAT_CHAR_BIT
)
2573 - ((start
+ len
+ excess
) / FLOATFORMAT_CHAR_BIT
);
2574 cur_bitshift
= ((start
+ len
+ excess
) % FLOATFORMAT_CHAR_BIT
)
2575 - FLOATFORMAT_CHAR_BIT
;
2579 cur_byte
= (start
+ len
) / FLOATFORMAT_CHAR_BIT
;
2581 ((start
+ len
) % FLOATFORMAT_CHAR_BIT
) - FLOATFORMAT_CHAR_BIT
;
2583 if (cur_bitshift
> -FLOATFORMAT_CHAR_BIT
)
2585 *(data
+ cur_byte
) &=
2586 ~(((1 << ((start
+ len
) % FLOATFORMAT_CHAR_BIT
)) - 1)
2587 << (-cur_bitshift
));
2588 *(data
+ cur_byte
) |=
2589 (stuff_to_put
& ((1 << FLOATFORMAT_CHAR_BIT
) - 1)) << (-cur_bitshift
);
2591 cur_bitshift
+= FLOATFORMAT_CHAR_BIT
;
2592 if (order
== floatformat_little
|| order
== floatformat_littlebyte_bigword
)
2597 /* Move towards the most significant part of the field. */
2598 while (cur_bitshift
< len
)
2600 if (len
- cur_bitshift
< FLOATFORMAT_CHAR_BIT
)
2602 /* This is the last byte. */
2603 *(data
+ cur_byte
) &=
2604 ~((1 << (len
- cur_bitshift
)) - 1);
2605 *(data
+ cur_byte
) |= (stuff_to_put
>> cur_bitshift
);
2608 *(data
+ cur_byte
) = ((stuff_to_put
>> cur_bitshift
)
2609 & ((1 << FLOATFORMAT_CHAR_BIT
) - 1));
2610 cur_bitshift
+= FLOATFORMAT_CHAR_BIT
;
2611 if (order
== floatformat_little
|| order
== floatformat_littlebyte_bigword
)
2618 #ifdef HAVE_LONG_DOUBLE
2619 /* Return the fractional part of VALUE, and put the exponent of VALUE in *EPTR.
2620 The range of the returned value is >= 0.5 and < 1.0. This is equivalent to
2621 frexp, but operates on the long double data type. */
2623 static long double ldfrexp (long double value
, int *eptr
);
2626 ldfrexp (long double value
, int *eptr
)
2631 /* Unfortunately, there are no portable functions for extracting the exponent
2632 of a long double, so we have to do it iteratively by multiplying or dividing
2633 by two until the fraction is between 0.5 and 1.0. */
2641 if (value
>= tmp
) /* Value >= 1.0 */
2642 while (value
>= tmp
)
2647 else if (value
!= 0.0l) /* Value < 1.0 and > 0.0 */
2661 #endif /* HAVE_LONG_DOUBLE */
2664 /* The converse: convert the DOUBLEST *FROM to an extended float
2665 and store where TO points. Neither FROM nor TO have any alignment
2669 floatformat_from_doublest (CONST
struct floatformat
*fmt
, DOUBLEST
*from
,
2675 unsigned int mant_bits
, mant_off
;
2677 unsigned char *uto
= (unsigned char *) to
;
2679 memcpy (&dfrom
, from
, sizeof (dfrom
));
2680 memset (uto
, 0, (fmt
->totalsize
+ FLOATFORMAT_CHAR_BIT
- 1)
2681 / FLOATFORMAT_CHAR_BIT
);
2683 return; /* Result is zero */
2684 if (dfrom
!= dfrom
) /* Result is NaN */
2687 put_field (uto
, fmt
->byteorder
, fmt
->totalsize
, fmt
->exp_start
,
2688 fmt
->exp_len
, fmt
->exp_nan
);
2689 /* Be sure it's not infinity, but NaN value is irrel */
2690 put_field (uto
, fmt
->byteorder
, fmt
->totalsize
, fmt
->man_start
,
2695 /* If negative, set the sign bit. */
2698 put_field (uto
, fmt
->byteorder
, fmt
->totalsize
, fmt
->sign_start
, 1, 1);
2702 if (dfrom
+ dfrom
== dfrom
&& dfrom
!= 0.0) /* Result is Infinity */
2704 /* Infinity exponent is same as NaN's. */
2705 put_field (uto
, fmt
->byteorder
, fmt
->totalsize
, fmt
->exp_start
,
2706 fmt
->exp_len
, fmt
->exp_nan
);
2707 /* Infinity mantissa is all zeroes. */
2708 put_field (uto
, fmt
->byteorder
, fmt
->totalsize
, fmt
->man_start
,
2713 #ifdef HAVE_LONG_DOUBLE
2714 mant
= ldfrexp (dfrom
, &exponent
);
2716 mant
= frexp (dfrom
, &exponent
);
2719 put_field (uto
, fmt
->byteorder
, fmt
->totalsize
, fmt
->exp_start
, fmt
->exp_len
,
2720 exponent
+ fmt
->exp_bias
- 1);
2722 mant_bits_left
= fmt
->man_len
;
2723 mant_off
= fmt
->man_start
;
2724 while (mant_bits_left
> 0)
2726 unsigned long mant_long
;
2727 mant_bits
= mant_bits_left
< 32 ? mant_bits_left
: 32;
2729 mant
*= 4294967296.0;
2730 mant_long
= ((unsigned long) mant
) & 0xffffffffL
;
2733 /* If the integer bit is implicit, then we need to discard it.
2734 If we are discarding a zero, we should be (but are not) creating
2735 a denormalized number which means adjusting the exponent
2737 if (mant_bits_left
== fmt
->man_len
2738 && fmt
->intbit
== floatformat_intbit_no
)
2741 mant_long
&= 0xffffffffL
;
2747 /* The bits we want are in the most significant MANT_BITS bits of
2748 mant_long. Move them to the least significant. */
2749 mant_long
>>= 32 - mant_bits
;
2752 put_field (uto
, fmt
->byteorder
, fmt
->totalsize
,
2753 mant_off
, mant_bits
, mant_long
);
2754 mant_off
+= mant_bits
;
2755 mant_bits_left
-= mant_bits
;
2757 if (fmt
->byteorder
== floatformat_littlebyte_bigword
)
2760 unsigned char *swaplow
= uto
;
2761 unsigned char *swaphigh
= uto
+ 4;
2764 for (count
= 0; count
< 4; count
++)
2767 *swaplow
++ = *swaphigh
;
2773 /* Check if VAL (which is assumed to be a floating point number whose
2774 format is described by FMT) is negative. */
2777 floatformat_is_negative (const struct floatformat
*fmt
, char *val
)
2779 unsigned char *uval
= (unsigned char *) val
;
2781 return get_field (uval
, fmt
->byteorder
, fmt
->totalsize
, fmt
->sign_start
, 1);
2784 /* Check if VAL is "not a number" (NaN) for FMT. */
2787 floatformat_is_nan (const struct floatformat
*fmt
, char *val
)
2789 unsigned char *uval
= (unsigned char *) val
;
2792 unsigned int mant_bits
, mant_off
;
2798 exponent
= get_field (uval
, fmt
->byteorder
, fmt
->totalsize
,
2799 fmt
->exp_start
, fmt
->exp_len
);
2801 if (exponent
!= fmt
->exp_nan
)
2804 mant_bits_left
= fmt
->man_len
;
2805 mant_off
= fmt
->man_start
;
2807 while (mant_bits_left
> 0)
2809 mant_bits
= min (mant_bits_left
, 32);
2811 mant
= get_field (uval
, fmt
->byteorder
, fmt
->totalsize
,
2812 mant_off
, mant_bits
);
2814 /* If there is an explicit integer bit, mask it off. */
2815 if (mant_off
== fmt
->man_start
2816 && fmt
->intbit
== floatformat_intbit_yes
)
2817 mant
&= ~(1 << (mant_bits
- 1));
2822 mant_off
+= mant_bits
;
2823 mant_bits_left
-= mant_bits
;
2829 /* Convert the mantissa of VAL (which is assumed to be a floating
2830 point number whose format is described by FMT) into a hexadecimal
2831 and store it in a static string. Return a pointer to that string. */
2834 floatformat_mantissa (const struct floatformat
*fmt
, char *val
)
2836 unsigned char *uval
= (unsigned char *) val
;
2838 unsigned int mant_bits
, mant_off
;
2840 static char res
[50];
2843 /* Make sure we have enough room to store the mantissa. */
2844 gdb_assert (sizeof res
> ((fmt
->man_len
+ 7) / 8) * 2);
2846 mant_off
= fmt
->man_start
;
2847 mant_bits_left
= fmt
->man_len
;
2848 mant_bits
= (mant_bits_left
% 32) > 0 ? mant_bits_left
% 32 : 32;
2850 mant
= get_field (uval
, fmt
->byteorder
, fmt
->totalsize
,
2851 mant_off
, mant_bits
);
2853 sprintf (res
, "%lx", mant
);
2855 mant_off
+= mant_bits
;
2856 mant_bits_left
-= mant_bits
;
2858 while (mant_bits_left
> 0)
2860 mant
= get_field (uval
, fmt
->byteorder
, fmt
->totalsize
,
2863 sprintf (buf
, "%08lx", mant
);
2867 mant_bits_left
-= 32;
2873 /* print routines to handle variable size regs, etc. */
2875 /* temporary storage using circular buffer */
2881 static char buf
[NUMCELLS
][CELLSIZE
];
2882 static int cell
= 0;
2883 if (++cell
>= NUMCELLS
)
2891 return (TARGET_ADDR_BIT
/ 8 * 2);
2895 paddr (CORE_ADDR addr
)
2897 return phex (addr
, TARGET_ADDR_BIT
/ 8);
2901 paddr_nz (CORE_ADDR addr
)
2903 return phex_nz (addr
, TARGET_ADDR_BIT
/ 8);
2907 decimal2str (char *paddr_str
, char *sign
, ULONGEST addr
)
2909 /* steal code from valprint.c:print_decimal(). Should this worry
2910 about the real size of addr as the above does? */
2911 unsigned long temp
[3];
2915 temp
[i
] = addr
% (1000 * 1000 * 1000);
2916 addr
/= (1000 * 1000 * 1000);
2919 while (addr
!= 0 && i
< (sizeof (temp
) / sizeof (temp
[0])));
2923 sprintf (paddr_str
, "%s%lu",
2927 sprintf (paddr_str
, "%s%lu%09lu",
2928 sign
, temp
[1], temp
[0]);
2931 sprintf (paddr_str
, "%s%lu%09lu%09lu",
2932 sign
, temp
[2], temp
[1], temp
[0]);
2935 internal_error (__FILE__
, __LINE__
, "failed internal consistency check");
2940 paddr_u (CORE_ADDR addr
)
2942 char *paddr_str
= get_cell ();
2943 decimal2str (paddr_str
, "", addr
);
2948 paddr_d (LONGEST addr
)
2950 char *paddr_str
= get_cell ();
2952 decimal2str (paddr_str
, "-", -addr
);
2954 decimal2str (paddr_str
, "", addr
);
2958 /* eliminate warning from compiler on 32-bit systems */
2959 static int thirty_two
= 32;
2962 phex (ULONGEST l
, int sizeof_l
)
2964 char *str
= get_cell ();
2968 sprintf (str
, "%08lx%08lx",
2969 (unsigned long) (l
>> thirty_two
),
2970 (unsigned long) (l
& 0xffffffff));
2973 sprintf (str
, "%08lx", (unsigned long) l
);
2976 sprintf (str
, "%04x", (unsigned short) (l
& 0xffff));
2979 phex (l
, sizeof (l
));
2986 phex_nz (ULONGEST l
, int sizeof_l
)
2988 char *str
= get_cell ();
2993 unsigned long high
= (unsigned long) (l
>> thirty_two
);
2995 sprintf (str
, "%lx", (unsigned long) (l
& 0xffffffff));
2997 sprintf (str
, "%lx%08lx",
2998 high
, (unsigned long) (l
& 0xffffffff));
3002 sprintf (str
, "%lx", (unsigned long) l
);
3005 sprintf (str
, "%x", (unsigned short) (l
& 0xffff));
3008 phex_nz (l
, sizeof (l
));
3015 /* Convert to / from the hosts pointer to GDB's internal CORE_ADDR
3016 using the target's conversion routines. */
3018 host_pointer_to_address (void *ptr
)
3020 if (sizeof (ptr
) != TYPE_LENGTH (builtin_type_ptr
))
3021 internal_error (__FILE__
, __LINE__
,
3022 "core_addr_to_void_ptr: bad cast");
3023 return POINTER_TO_ADDRESS (builtin_type_ptr
, &ptr
);
3027 address_to_host_pointer (CORE_ADDR addr
)
3030 if (sizeof (ptr
) != TYPE_LENGTH (builtin_type_ptr
))
3031 internal_error (__FILE__
, __LINE__
,
3032 "core_addr_to_void_ptr: bad cast");
3033 ADDRESS_TO_POINTER (builtin_type_ptr
, &ptr
, addr
);