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
);
871 /* Control C comes here */
873 request_quit (int signo
)
876 /* Restore the signal handler. Harmless with BSD-style signals, needed
877 for System V-style signals. So just always do it, rather than worrying
878 about USG defines and stuff like that. */
879 signal (signo
, request_quit
);
889 /* Memory management stuff (malloc friends). */
891 #if !defined (USE_MMALLOC)
893 /* NOTE: These must use PTR so that their definition matches the
894 declaration found in "mmalloc.h". */
897 mmalloc (PTR md
, size_t size
)
899 return malloc (size
); /* NOTE: GDB's only call to malloc() */
903 mrealloc (PTR md
, PTR ptr
, size_t size
)
905 if (ptr
== 0) /* Guard against old realloc's */
906 return mmalloc (md
, size
);
908 return realloc (ptr
, size
); /* NOTE: GDB's only call to ralloc() */
912 mcalloc (PTR md
, size_t number
, size_t size
)
914 return calloc (number
, size
); /* NOTE: GDB's only call to calloc() */
918 mfree (PTR md
, PTR ptr
)
920 free (ptr
); /* NOTE: GDB's only call to free() */
923 #endif /* USE_MMALLOC */
925 #if !defined (USE_MMALLOC) || defined (NO_MMCHECK)
928 init_malloc (void *md
)
932 #else /* Have mmalloc and want corruption checking */
937 fprintf_unfiltered (gdb_stderr
, "Memory corruption\n");
938 internal_error (__FILE__
, __LINE__
, "failed internal consistency check");
941 /* Attempt to install hooks in mmalloc/mrealloc/mfree for the heap specified
942 by MD, to detect memory corruption. Note that MD may be NULL to specify
943 the default heap that grows via sbrk.
945 Note that for freshly created regions, we must call mmcheckf prior to any
946 mallocs in the region. Otherwise, any region which was allocated prior to
947 installing the checking hooks, which is later reallocated or freed, will
948 fail the checks! The mmcheck function only allows initial hooks to be
949 installed before the first mmalloc. However, anytime after we have called
950 mmcheck the first time to install the checking hooks, we can call it again
951 to update the function pointer to the memory corruption handler.
953 Returns zero on failure, non-zero on success. */
955 #ifndef MMCHECK_FORCE
956 #define MMCHECK_FORCE 0
960 init_malloc (void *md
)
962 if (!mmcheckf (md
, malloc_botch
, MMCHECK_FORCE
))
964 /* Don't use warning(), which relies on current_target being set
965 to something other than dummy_target, until after
966 initialize_all_files(). */
969 (gdb_stderr
, "warning: failed to install memory consistency checks; ");
971 (gdb_stderr
, "configuration should define NO_MMCHECK or MMCHECK_FORCE\n");
977 #endif /* Have mmalloc and want corruption checking */
979 /* Called when a memory allocation fails, with the number of bytes of
980 memory requested in SIZE. */
987 internal_error (__FILE__
, __LINE__
,
988 "virtual memory exhausted: can't allocate %ld bytes.", size
);
992 internal_error (__FILE__
, __LINE__
,
993 "virtual memory exhausted.");
997 /* The xmmalloc() family of memory management routines.
999 These are are like the mmalloc() family except that they implement
1000 consistent semantics and guard against typical memory management
1001 problems: if a malloc fails, an internal error is thrown; if
1002 free(NULL) is called, it is ignored; if *alloc(0) is called, NULL
1005 All these routines are implemented using the mmalloc() family. */
1008 xmmalloc (void *md
, size_t size
)
1018 val
= mmalloc (md
, size
);
1026 xmrealloc (void *md
, void *ptr
, size_t size
)
1040 val
= mrealloc (md
, ptr
, size
);
1044 val
= mmalloc (md
, size
);
1055 xmcalloc (void *md
, size_t number
, size_t size
)
1058 if (number
== 0 || size
== 0)
1062 mem
= mcalloc (md
, number
, size
);
1064 nomem (number
* size
);
1070 xmfree (void *md
, void *ptr
)
1076 /* The xmalloc() (libiberty.h) family of memory management routines.
1078 These are like the ISO-C malloc() family except that they implement
1079 consistent semantics and guard against typical memory management
1080 problems. See xmmalloc() above for further information.
1082 All these routines are wrappers to the xmmalloc() family. */
1084 /* NOTE: These are declared using PTR to ensure consistency with
1085 "libiberty.h". xfree() is GDB local. */
1088 xmalloc (size_t size
)
1090 return xmmalloc (NULL
, size
);
1094 xrealloc (PTR ptr
, size_t size
)
1096 return xmrealloc (NULL
, ptr
, size
);
1100 xcalloc (size_t number
, size_t size
)
1102 return xmcalloc (NULL
, number
, size
);
1112 /* Like asprintf/vasprintf but get an internal_error if the call
1116 xasprintf (char **ret
, const char *format
, ...)
1119 va_start (args
, format
);
1120 xvasprintf (ret
, format
, args
);
1125 xvasprintf (char **ret
, const char *format
, va_list ap
)
1127 int status
= vasprintf (ret
, format
, ap
);
1128 /* NULL could be returned due to a memory allocation problem; a
1129 badly format string; or something else. */
1131 internal_error (__FILE__
, __LINE__
,
1132 "vasprintf returned NULL buffer (errno %d)",
1134 /* A negative status with a non-NULL buffer shouldn't never
1135 happen. But to be sure. */
1137 internal_error (__FILE__
, __LINE__
,
1138 "vasprintf call failed (errno %d)",
1143 /* My replacement for the read system call.
1144 Used like `read' but keeps going if `read' returns too soon. */
1147 myread (int desc
, char *addr
, int len
)
1154 val
= read (desc
, addr
, len
);
1158 return orglen
- len
;
1165 /* Make a copy of the string at PTR with SIZE characters
1166 (and add a null character at the end in the copy).
1167 Uses malloc to get the space. Returns the address of the copy. */
1170 savestring (const char *ptr
, size_t size
)
1172 register char *p
= (char *) xmalloc (size
+ 1);
1173 memcpy (p
, ptr
, size
);
1179 msavestring (void *md
, const char *ptr
, size_t size
)
1181 register char *p
= (char *) xmmalloc (md
, size
+ 1);
1182 memcpy (p
, ptr
, size
);
1188 mstrsave (void *md
, const char *ptr
)
1190 return (msavestring (md
, ptr
, strlen (ptr
)));
1194 print_spaces (register int n
, register struct ui_file
*file
)
1196 fputs_unfiltered (n_spaces (n
), file
);
1199 /* Print a host address. */
1202 gdb_print_host_address (void *addr
, struct ui_file
*stream
)
1205 /* We could use the %p conversion specifier to fprintf if we had any
1206 way of knowing whether this host supports it. But the following
1207 should work on the Alpha and on 32 bit machines. */
1209 fprintf_filtered (stream
, "0x%lx", (unsigned long) addr
);
1212 /* Ask user a y-or-n question and return 1 iff answer is yes.
1213 Takes three args which are given to printf to print the question.
1214 The first, a control string, should end in "? ".
1215 It should not say how to answer, because we do that. */
1219 query (char *ctlstr
,...)
1222 register int answer
;
1226 va_start (args
, ctlstr
);
1230 return query_hook (ctlstr
, args
);
1233 /* Automatically answer "yes" if input is not from a terminal. */
1234 if (!input_from_terminal_p ())
1236 /* OBSOLETE #ifdef MPW */
1237 /* OBSOLETE *//* FIXME Automatically answer "yes" if called from MacGDB. */
1238 /* OBSOLETE if (mac_app) */
1239 /* OBSOLETE return 1; */
1240 /* OBSOLETE #endif *//* MPW */
1244 wrap_here (""); /* Flush any buffered output */
1245 gdb_flush (gdb_stdout
);
1247 if (annotation_level
> 1)
1248 printf_filtered ("\n\032\032pre-query\n");
1250 vfprintf_filtered (gdb_stdout
, ctlstr
, args
);
1251 printf_filtered ("(y or n) ");
1253 if (annotation_level
> 1)
1254 printf_filtered ("\n\032\032query\n");
1256 /* OBSOLETE #ifdef MPW */
1257 /* OBSOLETE *//* If not in MacGDB, move to a new line so the entered line doesn't */
1258 /* OBSOLETE have a prompt on the front of it. */
1259 /* OBSOLETE if (!mac_app) */
1260 /* OBSOLETE fputs_unfiltered ("\n", gdb_stdout); */
1261 /* OBSOLETE #endif *//* MPW */
1264 gdb_flush (gdb_stdout
);
1267 if (!tui_version
|| cmdWin
== tuiWinWithFocus ())
1269 answer
= fgetc (stdin
);
1272 answer
= (unsigned char) tuiBufferGetc ();
1275 clearerr (stdin
); /* in case of C-d */
1276 if (answer
== EOF
) /* C-d */
1281 /* Eat rest of input line, to EOF or newline */
1282 if ((answer
!= '\n') || (tui_version
&& answer
!= '\r'))
1286 if (!tui_version
|| cmdWin
== tuiWinWithFocus ())
1288 ans2
= fgetc (stdin
);
1291 ans2
= (unsigned char) tuiBufferGetc ();
1295 while (ans2
!= EOF
&& ans2
!= '\n' && ans2
!= '\r');
1296 TUIDO (((TuiOpaqueFuncPtr
) tui_vStartNewLines
, 1));
1310 printf_filtered ("Please answer y or n.\n");
1313 if (annotation_level
> 1)
1314 printf_filtered ("\n\032\032post-query\n");
1319 /* Parse a C escape sequence. STRING_PTR points to a variable
1320 containing a pointer to the string to parse. That pointer
1321 should point to the character after the \. That pointer
1322 is updated past the characters we use. The value of the
1323 escape sequence is returned.
1325 A negative value means the sequence \ newline was seen,
1326 which is supposed to be equivalent to nothing at all.
1328 If \ is followed by a null character, we return a negative
1329 value and leave the string pointer pointing at the null character.
1331 If \ is followed by 000, we return 0 and leave the string pointer
1332 after the zeros. A value of 0 does not mean end of string. */
1335 parse_escape (char **string_ptr
)
1337 register int c
= *(*string_ptr
)++;
1341 return 007; /* Bell (alert) char */
1344 case 'e': /* Escape character */
1362 c
= *(*string_ptr
)++;
1364 c
= parse_escape (string_ptr
);
1367 return (c
& 0200) | (c
& 037);
1378 register int i
= c
- '0';
1379 register int count
= 0;
1382 if ((c
= *(*string_ptr
)++) >= '0' && c
<= '7')
1400 /* Print the character C on STREAM as part of the contents of a literal
1401 string whose delimiter is QUOTER. Note that this routine should only
1402 be call for printing things which are independent of the language
1403 of the program being debugged. */
1406 printchar (int c
, void (*do_fputs
) (const char *, struct ui_file
*),
1407 void (*do_fprintf
) (struct ui_file
*, const char *, ...),
1408 struct ui_file
*stream
, int quoter
)
1411 c
&= 0xFF; /* Avoid sign bit follies */
1413 if (c
< 0x20 || /* Low control chars */
1414 (c
>= 0x7F && c
< 0xA0) || /* DEL, High controls */
1415 (sevenbit_strings
&& c
>= 0x80))
1416 { /* high order bit set */
1420 do_fputs ("\\n", stream
);
1423 do_fputs ("\\b", stream
);
1426 do_fputs ("\\t", stream
);
1429 do_fputs ("\\f", stream
);
1432 do_fputs ("\\r", stream
);
1435 do_fputs ("\\e", stream
);
1438 do_fputs ("\\a", stream
);
1441 do_fprintf (stream
, "\\%.3o", (unsigned int) c
);
1447 if (c
== '\\' || c
== quoter
)
1448 do_fputs ("\\", stream
);
1449 do_fprintf (stream
, "%c", c
);
1453 /* Print the character C on STREAM as part of the contents of a
1454 literal string whose delimiter is QUOTER. Note that these routines
1455 should only be call for printing things which are independent of
1456 the language of the program being debugged. */
1459 fputstr_filtered (const char *str
, int quoter
, struct ui_file
*stream
)
1462 printchar (*str
++, fputs_filtered
, fprintf_filtered
, stream
, quoter
);
1466 fputstr_unfiltered (const char *str
, int quoter
, struct ui_file
*stream
)
1469 printchar (*str
++, fputs_unfiltered
, fprintf_unfiltered
, stream
, quoter
);
1473 fputstrn_unfiltered (const char *str
, int n
, int quoter
, struct ui_file
*stream
)
1476 for (i
= 0; i
< n
; i
++)
1477 printchar (str
[i
], fputs_unfiltered
, fprintf_unfiltered
, stream
, quoter
);
1482 /* Number of lines per page or UINT_MAX if paging is disabled. */
1483 static unsigned int lines_per_page
;
1484 /* Number of chars per line or UINT_MAX if line folding is disabled. */
1485 static unsigned int chars_per_line
;
1486 /* Current count of lines printed on this page, chars on this line. */
1487 static unsigned int lines_printed
, chars_printed
;
1489 /* Buffer and start column of buffered text, for doing smarter word-
1490 wrapping. When someone calls wrap_here(), we start buffering output
1491 that comes through fputs_filtered(). If we see a newline, we just
1492 spit it out and forget about the wrap_here(). If we see another
1493 wrap_here(), we spit it out and remember the newer one. If we see
1494 the end of the line, we spit out a newline, the indent, and then
1495 the buffered output. */
1497 /* Malloc'd buffer with chars_per_line+2 bytes. Contains characters which
1498 are waiting to be output (they have already been counted in chars_printed).
1499 When wrap_buffer[0] is null, the buffer is empty. */
1500 static char *wrap_buffer
;
1502 /* Pointer in wrap_buffer to the next character to fill. */
1503 static char *wrap_pointer
;
1505 /* String to indent by if the wrap occurs. Must not be NULL if wrap_column
1507 static char *wrap_indent
;
1509 /* Column number on the screen where wrap_buffer begins, or 0 if wrapping
1510 is not in effect. */
1511 static int wrap_column
;
1514 /* Inialize the lines and chars per page */
1516 init_page_info (void)
1519 if (tui_version
&& m_winPtrNotNull (cmdWin
))
1521 lines_per_page
= cmdWin
->generic
.height
;
1522 chars_per_line
= cmdWin
->generic
.width
;
1527 /* These defaults will be used if we are unable to get the correct
1528 values from termcap. */
1529 #if defined(__GO32__)
1530 lines_per_page
= ScreenRows ();
1531 chars_per_line
= ScreenCols ();
1533 lines_per_page
= 24;
1534 chars_per_line
= 80;
1536 #if !defined (_WIN32)
1537 /* No termcap under MPW, although might be cool to do something
1538 by looking at worksheet or console window sizes. */
1539 /* Initialize the screen height and width from termcap. */
1541 char *termtype
= getenv ("TERM");
1543 /* Positive means success, nonpositive means failure. */
1546 /* 2048 is large enough for all known terminals, according to the
1547 GNU termcap manual. */
1548 char term_buffer
[2048];
1552 status
= tgetent (term_buffer
, termtype
);
1556 int running_in_emacs
= getenv ("EMACS") != NULL
;
1558 val
= tgetnum ("li");
1559 if (val
>= 0 && !running_in_emacs
)
1560 lines_per_page
= val
;
1562 /* The number of lines per page is not mentioned
1563 in the terminal description. This probably means
1564 that paging is not useful (e.g. emacs shell window),
1565 so disable paging. */
1566 lines_per_page
= UINT_MAX
;
1568 val
= tgetnum ("co");
1570 chars_per_line
= val
;
1576 #if defined(SIGWINCH) && defined(SIGWINCH_HANDLER)
1578 /* If there is a better way to determine the window size, use it. */
1579 SIGWINCH_HANDLER (SIGWINCH
);
1582 /* If the output is not a terminal, don't paginate it. */
1583 if (!ui_file_isatty (gdb_stdout
))
1584 lines_per_page
= UINT_MAX
;
1585 } /* the command_line_version */
1592 if (chars_per_line
== 0)
1597 wrap_buffer
= (char *) xmalloc (chars_per_line
+ 2);
1598 wrap_buffer
[0] = '\0';
1601 wrap_buffer
= (char *) xrealloc (wrap_buffer
, chars_per_line
+ 2);
1602 wrap_pointer
= wrap_buffer
; /* Start it at the beginning */
1607 set_width_command (char *args
, int from_tty
, struct cmd_list_element
*c
)
1612 /* Wait, so the user can read what's on the screen. Prompt the user
1613 to continue by pressing RETURN. */
1616 prompt_for_continue (void)
1619 char cont_prompt
[120];
1621 if (annotation_level
> 1)
1622 printf_unfiltered ("\n\032\032pre-prompt-for-continue\n");
1624 strcpy (cont_prompt
,
1625 "---Type <return> to continue, or q <return> to quit---");
1626 if (annotation_level
> 1)
1627 strcat (cont_prompt
, "\n\032\032prompt-for-continue\n");
1629 /* We must do this *before* we call gdb_readline, else it will eventually
1630 call us -- thinking that we're trying to print beyond the end of the
1632 reinitialize_more_filter ();
1635 /* On a real operating system, the user can quit with SIGINT.
1638 'q' is provided on all systems so users don't have to change habits
1639 from system to system, and because telling them what to do in
1640 the prompt is more user-friendly than expecting them to think of
1642 /* Call readline, not gdb_readline, because GO32 readline handles control-C
1643 whereas control-C to gdb_readline will cause the user to get dumped
1645 ignore
= readline (cont_prompt
);
1647 if (annotation_level
> 1)
1648 printf_unfiltered ("\n\032\032post-prompt-for-continue\n");
1653 while (*p
== ' ' || *p
== '\t')
1658 request_quit (SIGINT
);
1660 async_request_quit (0);
1666 /* Now we have to do this again, so that GDB will know that it doesn't
1667 need to save the ---Type <return>--- line at the top of the screen. */
1668 reinitialize_more_filter ();
1670 dont_repeat (); /* Forget prev cmd -- CR won't repeat it. */
1673 /* Reinitialize filter; ie. tell it to reset to original values. */
1676 reinitialize_more_filter (void)
1682 /* Indicate that if the next sequence of characters overflows the line,
1683 a newline should be inserted here rather than when it hits the end.
1684 If INDENT is non-null, it is a string to be printed to indent the
1685 wrapped part on the next line. INDENT must remain accessible until
1686 the next call to wrap_here() or until a newline is printed through
1689 If the line is already overfull, we immediately print a newline and
1690 the indentation, and disable further wrapping.
1692 If we don't know the width of lines, but we know the page height,
1693 we must not wrap words, but should still keep track of newlines
1694 that were explicitly printed.
1696 INDENT should not contain tabs, as that will mess up the char count
1697 on the next line. FIXME.
1699 This routine is guaranteed to force out any output which has been
1700 squirreled away in the wrap_buffer, so wrap_here ((char *)0) can be
1701 used to force out output from the wrap_buffer. */
1704 wrap_here (char *indent
)
1706 /* This should have been allocated, but be paranoid anyway. */
1708 internal_error (__FILE__
, __LINE__
, "failed internal consistency check");
1712 *wrap_pointer
= '\0';
1713 fputs_unfiltered (wrap_buffer
, gdb_stdout
);
1715 wrap_pointer
= wrap_buffer
;
1716 wrap_buffer
[0] = '\0';
1717 if (chars_per_line
== UINT_MAX
) /* No line overflow checking */
1721 else if (chars_printed
>= chars_per_line
)
1723 puts_filtered ("\n");
1725 puts_filtered (indent
);
1730 wrap_column
= chars_printed
;
1734 wrap_indent
= indent
;
1738 /* Ensure that whatever gets printed next, using the filtered output
1739 commands, starts at the beginning of the line. I.E. if there is
1740 any pending output for the current line, flush it and start a new
1741 line. Otherwise do nothing. */
1746 if (chars_printed
> 0)
1748 puts_filtered ("\n");
1753 /* Like fputs but if FILTER is true, pause after every screenful.
1755 Regardless of FILTER can wrap at points other than the final
1756 character of a line.
1758 Unlike fputs, fputs_maybe_filtered does not return a value.
1759 It is OK for LINEBUFFER to be NULL, in which case just don't print
1762 Note that a longjmp to top level may occur in this routine (only if
1763 FILTER is true) (since prompt_for_continue may do so) so this
1764 routine should not be called when cleanups are not in place. */
1767 fputs_maybe_filtered (const char *linebuffer
, struct ui_file
*stream
,
1770 const char *lineptr
;
1772 if (linebuffer
== 0)
1775 /* Don't do any filtering if it is disabled. */
1776 if ((stream
!= gdb_stdout
) || !pagination_enabled
1777 || (lines_per_page
== UINT_MAX
&& chars_per_line
== UINT_MAX
))
1779 fputs_unfiltered (linebuffer
, stream
);
1783 /* Go through and output each character. Show line extension
1784 when this is necessary; prompt user for new page when this is
1787 lineptr
= linebuffer
;
1790 /* Possible new page. */
1792 (lines_printed
>= lines_per_page
- 1))
1793 prompt_for_continue ();
1795 while (*lineptr
&& *lineptr
!= '\n')
1797 /* Print a single line. */
1798 if (*lineptr
== '\t')
1801 *wrap_pointer
++ = '\t';
1803 fputc_unfiltered ('\t', stream
);
1804 /* Shifting right by 3 produces the number of tab stops
1805 we have already passed, and then adding one and
1806 shifting left 3 advances to the next tab stop. */
1807 chars_printed
= ((chars_printed
>> 3) + 1) << 3;
1813 *wrap_pointer
++ = *lineptr
;
1815 fputc_unfiltered (*lineptr
, stream
);
1820 if (chars_printed
>= chars_per_line
)
1822 unsigned int save_chars
= chars_printed
;
1826 /* If we aren't actually wrapping, don't output newline --
1827 if chars_per_line is right, we probably just overflowed
1828 anyway; if it's wrong, let us keep going. */
1830 fputc_unfiltered ('\n', stream
);
1832 /* Possible new page. */
1833 if (lines_printed
>= lines_per_page
- 1)
1834 prompt_for_continue ();
1836 /* Now output indentation and wrapped string */
1839 fputs_unfiltered (wrap_indent
, stream
);
1840 *wrap_pointer
= '\0'; /* Null-terminate saved stuff */
1841 fputs_unfiltered (wrap_buffer
, stream
); /* and eject it */
1842 /* FIXME, this strlen is what prevents wrap_indent from
1843 containing tabs. However, if we recurse to print it
1844 and count its chars, we risk trouble if wrap_indent is
1845 longer than (the user settable) chars_per_line.
1846 Note also that this can set chars_printed > chars_per_line
1847 if we are printing a long string. */
1848 chars_printed
= strlen (wrap_indent
)
1849 + (save_chars
- wrap_column
);
1850 wrap_pointer
= wrap_buffer
; /* Reset buffer */
1851 wrap_buffer
[0] = '\0';
1852 wrap_column
= 0; /* And disable fancy wrap */
1857 if (*lineptr
== '\n')
1860 wrap_here ((char *) 0); /* Spit out chars, cancel further wraps */
1862 fputc_unfiltered ('\n', stream
);
1869 fputs_filtered (const char *linebuffer
, struct ui_file
*stream
)
1871 fputs_maybe_filtered (linebuffer
, stream
, 1);
1875 putchar_unfiltered (int c
)
1878 ui_file_write (gdb_stdout
, &buf
, 1);
1882 /* Write character C to gdb_stdout using GDB's paging mechanism and return C.
1883 May return nonlocally. */
1886 putchar_filtered (int c
)
1888 return fputc_filtered (c
, gdb_stdout
);
1892 fputc_unfiltered (int c
, struct ui_file
*stream
)
1895 ui_file_write (stream
, &buf
, 1);
1900 fputc_filtered (int c
, struct ui_file
*stream
)
1906 fputs_filtered (buf
, stream
);
1910 /* puts_debug is like fputs_unfiltered, except it prints special
1911 characters in printable fashion. */
1914 puts_debug (char *prefix
, char *string
, char *suffix
)
1918 /* Print prefix and suffix after each line. */
1919 static int new_line
= 1;
1920 static int return_p
= 0;
1921 static char *prev_prefix
= "";
1922 static char *prev_suffix
= "";
1924 if (*string
== '\n')
1927 /* If the prefix is changing, print the previous suffix, a new line,
1928 and the new prefix. */
1929 if ((return_p
|| (strcmp (prev_prefix
, prefix
) != 0)) && !new_line
)
1931 fputs_unfiltered (prev_suffix
, gdb_stdlog
);
1932 fputs_unfiltered ("\n", gdb_stdlog
);
1933 fputs_unfiltered (prefix
, gdb_stdlog
);
1936 /* Print prefix if we printed a newline during the previous call. */
1940 fputs_unfiltered (prefix
, gdb_stdlog
);
1943 prev_prefix
= prefix
;
1944 prev_suffix
= suffix
;
1946 /* Output characters in a printable format. */
1947 while ((ch
= *string
++) != '\0')
1953 fputc_unfiltered (ch
, gdb_stdlog
);
1956 fprintf_unfiltered (gdb_stdlog
, "\\x%02x", ch
& 0xff);
1960 fputs_unfiltered ("\\\\", gdb_stdlog
);
1963 fputs_unfiltered ("\\b", gdb_stdlog
);
1966 fputs_unfiltered ("\\f", gdb_stdlog
);
1970 fputs_unfiltered ("\\n", gdb_stdlog
);
1973 fputs_unfiltered ("\\r", gdb_stdlog
);
1976 fputs_unfiltered ("\\t", gdb_stdlog
);
1979 fputs_unfiltered ("\\v", gdb_stdlog
);
1983 return_p
= ch
== '\r';
1986 /* Print suffix if we printed a newline. */
1989 fputs_unfiltered (suffix
, gdb_stdlog
);
1990 fputs_unfiltered ("\n", gdb_stdlog
);
1995 /* Print a variable number of ARGS using format FORMAT. If this
1996 information is going to put the amount written (since the last call
1997 to REINITIALIZE_MORE_FILTER or the last page break) over the page size,
1998 call prompt_for_continue to get the users permision to continue.
2000 Unlike fprintf, this function does not return a value.
2002 We implement three variants, vfprintf (takes a vararg list and stream),
2003 fprintf (takes a stream to write on), and printf (the usual).
2005 Note also that a longjmp to top level may occur in this routine
2006 (since prompt_for_continue may do so) so this routine should not be
2007 called when cleanups are not in place. */
2010 vfprintf_maybe_filtered (struct ui_file
*stream
, const char *format
,
2011 va_list args
, int filter
)
2014 struct cleanup
*old_cleanups
;
2016 xvasprintf (&linebuffer
, format
, args
);
2017 old_cleanups
= make_cleanup (xfree
, linebuffer
);
2018 fputs_maybe_filtered (linebuffer
, stream
, filter
);
2019 do_cleanups (old_cleanups
);
2024 vfprintf_filtered (struct ui_file
*stream
, const char *format
, va_list args
)
2026 vfprintf_maybe_filtered (stream
, format
, args
, 1);
2030 vfprintf_unfiltered (struct ui_file
*stream
, const char *format
, va_list args
)
2033 struct cleanup
*old_cleanups
;
2035 xvasprintf (&linebuffer
, format
, args
);
2036 old_cleanups
= make_cleanup (xfree
, linebuffer
);
2037 fputs_unfiltered (linebuffer
, stream
);
2038 do_cleanups (old_cleanups
);
2042 vprintf_filtered (const char *format
, va_list args
)
2044 vfprintf_maybe_filtered (gdb_stdout
, format
, args
, 1);
2048 vprintf_unfiltered (const char *format
, va_list args
)
2050 vfprintf_unfiltered (gdb_stdout
, format
, args
);
2054 fprintf_filtered (struct ui_file
* stream
, const char *format
,...)
2057 va_start (args
, format
);
2058 vfprintf_filtered (stream
, format
, args
);
2063 fprintf_unfiltered (struct ui_file
* stream
, const char *format
,...)
2066 va_start (args
, format
);
2067 vfprintf_unfiltered (stream
, format
, args
);
2071 /* Like fprintf_filtered, but prints its result indented.
2072 Called as fprintfi_filtered (spaces, stream, format, ...); */
2075 fprintfi_filtered (int spaces
, struct ui_file
* stream
, const char *format
,...)
2078 va_start (args
, format
);
2079 print_spaces_filtered (spaces
, stream
);
2081 vfprintf_filtered (stream
, format
, args
);
2087 printf_filtered (const char *format
,...)
2090 va_start (args
, format
);
2091 vfprintf_filtered (gdb_stdout
, format
, args
);
2097 printf_unfiltered (const char *format
,...)
2100 va_start (args
, format
);
2101 vfprintf_unfiltered (gdb_stdout
, format
, args
);
2105 /* Like printf_filtered, but prints it's result indented.
2106 Called as printfi_filtered (spaces, format, ...); */
2109 printfi_filtered (int spaces
, const char *format
,...)
2112 va_start (args
, format
);
2113 print_spaces_filtered (spaces
, gdb_stdout
);
2114 vfprintf_filtered (gdb_stdout
, format
, args
);
2118 /* Easy -- but watch out!
2120 This routine is *not* a replacement for puts()! puts() appends a newline.
2121 This one doesn't, and had better not! */
2124 puts_filtered (const char *string
)
2126 fputs_filtered (string
, gdb_stdout
);
2130 puts_unfiltered (const char *string
)
2132 fputs_unfiltered (string
, gdb_stdout
);
2135 /* Return a pointer to N spaces and a null. The pointer is good
2136 until the next call to here. */
2141 static char *spaces
= 0;
2142 static int max_spaces
= -1;
2148 spaces
= (char *) xmalloc (n
+ 1);
2149 for (t
= spaces
+ n
; t
!= spaces
;)
2155 return spaces
+ max_spaces
- n
;
2158 /* Print N spaces. */
2160 print_spaces_filtered (int n
, struct ui_file
*stream
)
2162 fputs_filtered (n_spaces (n
), stream
);
2165 /* C++ demangler stuff. */
2167 /* fprintf_symbol_filtered attempts to demangle NAME, a symbol in language
2168 LANG, using demangling args ARG_MODE, and print it filtered to STREAM.
2169 If the name is not mangled, or the language for the name is unknown, or
2170 demangling is off, the name is printed in its "raw" form. */
2173 fprintf_symbol_filtered (struct ui_file
*stream
, char *name
, enum language lang
,
2180 /* If user wants to see raw output, no problem. */
2183 fputs_filtered (name
, stream
);
2189 case language_cplus
:
2190 demangled
= cplus_demangle (name
, arg_mode
);
2193 demangled
= cplus_demangle (name
, arg_mode
| DMGL_JAVA
);
2195 case language_chill
:
2196 demangled
= chill_demangle (name
);
2202 fputs_filtered (demangled
? demangled
: name
, stream
);
2203 if (demangled
!= NULL
)
2211 /* Do a strcmp() type operation on STRING1 and STRING2, ignoring any
2212 differences in whitespace. Returns 0 if they match, non-zero if they
2213 don't (slightly different than strcmp()'s range of return values).
2215 As an extra hack, string1=="FOO(ARGS)" matches string2=="FOO".
2216 This "feature" is useful when searching for matching C++ function names
2217 (such as if the user types 'break FOO', where FOO is a mangled C++
2221 strcmp_iw (const char *string1
, const char *string2
)
2223 while ((*string1
!= '\0') && (*string2
!= '\0'))
2225 while (isspace (*string1
))
2229 while (isspace (*string2
))
2233 if (*string1
!= *string2
)
2237 if (*string1
!= '\0')
2243 return (*string1
!= '\0' && *string1
!= '(') || (*string2
!= '\0');
2249 ** Answer whether string_to_compare is a full or partial match to
2250 ** template_string. The partial match must be in sequence starting
2254 subset_compare (char *string_to_compare
, char *template_string
)
2257 if (template_string
!= (char *) NULL
&& string_to_compare
!= (char *) NULL
&&
2258 strlen (string_to_compare
) <= strlen (template_string
))
2259 match
= (strncmp (template_string
,
2261 strlen (string_to_compare
)) == 0);
2268 static void pagination_on_command (char *arg
, int from_tty
);
2270 pagination_on_command (char *arg
, int from_tty
)
2272 pagination_enabled
= 1;
2275 static void pagination_on_command (char *arg
, int from_tty
);
2277 pagination_off_command (char *arg
, int from_tty
)
2279 pagination_enabled
= 0;
2284 initialize_utils (void)
2286 struct cmd_list_element
*c
;
2288 c
= add_set_cmd ("width", class_support
, var_uinteger
,
2289 (char *) &chars_per_line
,
2290 "Set number of characters gdb thinks are in a line.",
2292 add_show_from_set (c
, &showlist
);
2293 c
->function
.sfunc
= set_width_command
;
2296 (add_set_cmd ("height", class_support
,
2297 var_uinteger
, (char *) &lines_per_page
,
2298 "Set number of lines gdb thinks are in a page.", &setlist
),
2303 /* If the output is not a terminal, don't paginate it. */
2304 if (!ui_file_isatty (gdb_stdout
))
2305 lines_per_page
= UINT_MAX
;
2307 set_width_command ((char *) NULL
, 0, c
);
2310 (add_set_cmd ("demangle", class_support
, var_boolean
,
2312 "Set demangling of encoded C++ names when displaying symbols.",
2317 (add_set_cmd ("pagination", class_support
,
2318 var_boolean
, (char *) &pagination_enabled
,
2319 "Set state of pagination.", &setlist
),
2324 add_com ("am", class_support
, pagination_on_command
,
2325 "Enable pagination");
2326 add_com ("sm", class_support
, pagination_off_command
,
2327 "Disable pagination");
2331 (add_set_cmd ("sevenbit-strings", class_support
, var_boolean
,
2332 (char *) &sevenbit_strings
,
2333 "Set printing of 8-bit characters in strings as \\nnn.",
2338 (add_set_cmd ("asm-demangle", class_support
, var_boolean
,
2339 (char *) &asm_demangle
,
2340 "Set demangling of C++ names in disassembly listings.",
2345 /* Machine specific function to handle SIGWINCH signal. */
2347 #ifdef SIGWINCH_HANDLER_BODY
2348 SIGWINCH_HANDLER_BODY
2351 /* Support for converting target fp numbers into host DOUBLEST format. */
2353 /* XXX - This code should really be in libiberty/floatformat.c, however
2354 configuration issues with libiberty made this very difficult to do in the
2357 #include "floatformat.h"
2358 #include <math.h> /* ldexp */
2360 /* The odds that CHAR_BIT will be anything but 8 are low enough that I'm not
2361 going to bother with trying to muck around with whether it is defined in
2362 a system header, what we do if not, etc. */
2363 #define FLOATFORMAT_CHAR_BIT 8
2365 static unsigned long get_field (unsigned char *,
2366 enum floatformat_byteorders
,
2367 unsigned int, unsigned int, unsigned int);
2369 /* Extract a field which starts at START and is LEN bytes long. DATA and
2370 TOTAL_LEN are the thing we are extracting it from, in byteorder ORDER. */
2371 static unsigned long
2372 get_field (unsigned char *data
, enum floatformat_byteorders order
,
2373 unsigned int total_len
, unsigned int start
, unsigned int len
)
2375 unsigned long result
;
2376 unsigned int cur_byte
;
2379 /* Start at the least significant part of the field. */
2380 if (order
== floatformat_little
|| order
== floatformat_littlebyte_bigword
)
2382 /* We start counting from the other end (i.e, from the high bytes
2383 rather than the low bytes). As such, we need to be concerned
2384 with what happens if bit 0 doesn't start on a byte boundary.
2385 I.e, we need to properly handle the case where total_len is
2386 not evenly divisible by 8. So we compute ``excess'' which
2387 represents the number of bits from the end of our starting
2388 byte needed to get to bit 0. */
2389 int excess
= FLOATFORMAT_CHAR_BIT
- (total_len
% FLOATFORMAT_CHAR_BIT
);
2390 cur_byte
= (total_len
/ FLOATFORMAT_CHAR_BIT
)
2391 - ((start
+ len
+ excess
) / FLOATFORMAT_CHAR_BIT
);
2392 cur_bitshift
= ((start
+ len
+ excess
) % FLOATFORMAT_CHAR_BIT
)
2393 - FLOATFORMAT_CHAR_BIT
;
2397 cur_byte
= (start
+ len
) / FLOATFORMAT_CHAR_BIT
;
2399 ((start
+ len
) % FLOATFORMAT_CHAR_BIT
) - FLOATFORMAT_CHAR_BIT
;
2401 if (cur_bitshift
> -FLOATFORMAT_CHAR_BIT
)
2402 result
= *(data
+ cur_byte
) >> (-cur_bitshift
);
2405 cur_bitshift
+= FLOATFORMAT_CHAR_BIT
;
2406 if (order
== floatformat_little
|| order
== floatformat_littlebyte_bigword
)
2411 /* Move towards the most significant part of the field. */
2412 while (cur_bitshift
< len
)
2414 result
|= (unsigned long)*(data
+ cur_byte
) << cur_bitshift
;
2415 cur_bitshift
+= FLOATFORMAT_CHAR_BIT
;
2416 if (order
== floatformat_little
|| order
== floatformat_littlebyte_bigword
)
2421 if (len
< sizeof(result
) * FLOATFORMAT_CHAR_BIT
)
2422 /* Mask out bits which are not part of the field */
2423 result
&= ((1UL << len
) - 1);
2427 /* Convert from FMT to a DOUBLEST.
2428 FROM is the address of the extended float.
2429 Store the DOUBLEST in *TO. */
2432 floatformat_to_doublest (const struct floatformat
*fmt
, char *from
,
2435 unsigned char *ufrom
= (unsigned char *) from
;
2439 unsigned int mant_bits
, mant_off
;
2441 int special_exponent
; /* It's a NaN, denorm or zero */
2443 /* If the mantissa bits are not contiguous from one end of the
2444 mantissa to the other, we need to make a private copy of the
2445 source bytes that is in the right order since the unpacking
2446 algorithm assumes that the bits are contiguous.
2448 Swap the bytes individually rather than accessing them through
2449 "long *" since we have no guarantee that they start on a long
2450 alignment, and also sizeof(long) for the host could be different
2451 than sizeof(long) for the target. FIXME: Assumes sizeof(long)
2452 for the target is 4. */
2454 if (fmt
->byteorder
== floatformat_littlebyte_bigword
)
2456 static unsigned char *newfrom
;
2457 unsigned char *swapin
, *swapout
;
2460 longswaps
= fmt
->totalsize
/ FLOATFORMAT_CHAR_BIT
;
2463 if (newfrom
== NULL
)
2465 newfrom
= (unsigned char *) xmalloc (fmt
->totalsize
);
2470 while (longswaps
-- > 0)
2472 /* This is ugly, but efficient */
2473 *swapout
++ = swapin
[4];
2474 *swapout
++ = swapin
[5];
2475 *swapout
++ = swapin
[6];
2476 *swapout
++ = swapin
[7];
2477 *swapout
++ = swapin
[0];
2478 *swapout
++ = swapin
[1];
2479 *swapout
++ = swapin
[2];
2480 *swapout
++ = swapin
[3];
2485 exponent
= get_field (ufrom
, fmt
->byteorder
, fmt
->totalsize
,
2486 fmt
->exp_start
, fmt
->exp_len
);
2487 /* Note that if exponent indicates a NaN, we can't really do anything useful
2488 (not knowing if the host has NaN's, or how to build one). So it will
2489 end up as an infinity or something close; that is OK. */
2491 mant_bits_left
= fmt
->man_len
;
2492 mant_off
= fmt
->man_start
;
2495 special_exponent
= exponent
== 0 || exponent
== fmt
->exp_nan
;
2497 /* Don't bias NaNs. Use minimum exponent for denorms. For simplicity,
2498 we don't check for zero as the exponent doesn't matter. */
2499 if (!special_exponent
)
2500 exponent
-= fmt
->exp_bias
;
2501 else if (exponent
== 0)
2502 exponent
= 1 - fmt
->exp_bias
;
2504 /* Build the result algebraically. Might go infinite, underflow, etc;
2507 /* If this format uses a hidden bit, explicitly add it in now. Otherwise,
2508 increment the exponent by one to account for the integer bit. */
2510 if (!special_exponent
)
2512 if (fmt
->intbit
== floatformat_intbit_no
)
2513 dto
= ldexp (1.0, exponent
);
2518 while (mant_bits_left
> 0)
2520 mant_bits
= min (mant_bits_left
, 32);
2522 mant
= get_field (ufrom
, fmt
->byteorder
, fmt
->totalsize
,
2523 mant_off
, mant_bits
);
2525 dto
+= ldexp ((double) mant
, exponent
- mant_bits
);
2526 exponent
-= mant_bits
;
2527 mant_off
+= mant_bits
;
2528 mant_bits_left
-= mant_bits
;
2531 /* Negate it if negative. */
2532 if (get_field (ufrom
, fmt
->byteorder
, fmt
->totalsize
, fmt
->sign_start
, 1))
2537 static void put_field (unsigned char *, enum floatformat_byteorders
,
2539 unsigned int, unsigned int, unsigned long);
2541 /* Set a field which starts at START and is LEN bytes long. DATA and
2542 TOTAL_LEN are the thing we are extracting it from, in byteorder ORDER. */
2544 put_field (unsigned char *data
, enum floatformat_byteorders order
,
2545 unsigned int total_len
, unsigned int start
, unsigned int len
,
2546 unsigned long stuff_to_put
)
2548 unsigned int cur_byte
;
2551 /* Start at the least significant part of the field. */
2552 if (order
== floatformat_little
|| order
== floatformat_littlebyte_bigword
)
2554 int excess
= FLOATFORMAT_CHAR_BIT
- (total_len
% FLOATFORMAT_CHAR_BIT
);
2555 cur_byte
= (total_len
/ FLOATFORMAT_CHAR_BIT
)
2556 - ((start
+ len
+ excess
) / FLOATFORMAT_CHAR_BIT
);
2557 cur_bitshift
= ((start
+ len
+ excess
) % FLOATFORMAT_CHAR_BIT
)
2558 - FLOATFORMAT_CHAR_BIT
;
2562 cur_byte
= (start
+ len
) / FLOATFORMAT_CHAR_BIT
;
2564 ((start
+ len
) % FLOATFORMAT_CHAR_BIT
) - FLOATFORMAT_CHAR_BIT
;
2566 if (cur_bitshift
> -FLOATFORMAT_CHAR_BIT
)
2568 *(data
+ cur_byte
) &=
2569 ~(((1 << ((start
+ len
) % FLOATFORMAT_CHAR_BIT
)) - 1)
2570 << (-cur_bitshift
));
2571 *(data
+ cur_byte
) |=
2572 (stuff_to_put
& ((1 << FLOATFORMAT_CHAR_BIT
) - 1)) << (-cur_bitshift
);
2574 cur_bitshift
+= FLOATFORMAT_CHAR_BIT
;
2575 if (order
== floatformat_little
|| order
== floatformat_littlebyte_bigword
)
2580 /* Move towards the most significant part of the field. */
2581 while (cur_bitshift
< len
)
2583 if (len
- cur_bitshift
< FLOATFORMAT_CHAR_BIT
)
2585 /* This is the last byte. */
2586 *(data
+ cur_byte
) &=
2587 ~((1 << (len
- cur_bitshift
)) - 1);
2588 *(data
+ cur_byte
) |= (stuff_to_put
>> cur_bitshift
);
2591 *(data
+ cur_byte
) = ((stuff_to_put
>> cur_bitshift
)
2592 & ((1 << FLOATFORMAT_CHAR_BIT
) - 1));
2593 cur_bitshift
+= FLOATFORMAT_CHAR_BIT
;
2594 if (order
== floatformat_little
|| order
== floatformat_littlebyte_bigword
)
2601 #ifdef HAVE_LONG_DOUBLE
2602 /* Return the fractional part of VALUE, and put the exponent of VALUE in *EPTR.
2603 The range of the returned value is >= 0.5 and < 1.0. This is equivalent to
2604 frexp, but operates on the long double data type. */
2606 static long double ldfrexp (long double value
, int *eptr
);
2609 ldfrexp (long double value
, int *eptr
)
2614 /* Unfortunately, there are no portable functions for extracting the exponent
2615 of a long double, so we have to do it iteratively by multiplying or dividing
2616 by two until the fraction is between 0.5 and 1.0. */
2624 if (value
>= tmp
) /* Value >= 1.0 */
2625 while (value
>= tmp
)
2630 else if (value
!= 0.0l) /* Value < 1.0 and > 0.0 */
2644 #endif /* HAVE_LONG_DOUBLE */
2647 /* The converse: convert the DOUBLEST *FROM to an extended float
2648 and store where TO points. Neither FROM nor TO have any alignment
2652 floatformat_from_doublest (CONST
struct floatformat
*fmt
, DOUBLEST
*from
,
2658 unsigned int mant_bits
, mant_off
;
2660 unsigned char *uto
= (unsigned char *) to
;
2662 memcpy (&dfrom
, from
, sizeof (dfrom
));
2663 memset (uto
, 0, (fmt
->totalsize
+ FLOATFORMAT_CHAR_BIT
- 1)
2664 / FLOATFORMAT_CHAR_BIT
);
2666 return; /* Result is zero */
2667 if (dfrom
!= dfrom
) /* Result is NaN */
2670 put_field (uto
, fmt
->byteorder
, fmt
->totalsize
, fmt
->exp_start
,
2671 fmt
->exp_len
, fmt
->exp_nan
);
2672 /* Be sure it's not infinity, but NaN value is irrel */
2673 put_field (uto
, fmt
->byteorder
, fmt
->totalsize
, fmt
->man_start
,
2678 /* If negative, set the sign bit. */
2681 put_field (uto
, fmt
->byteorder
, fmt
->totalsize
, fmt
->sign_start
, 1, 1);
2685 if (dfrom
+ dfrom
== dfrom
&& dfrom
!= 0.0) /* Result is Infinity */
2687 /* Infinity exponent is same as NaN's. */
2688 put_field (uto
, fmt
->byteorder
, fmt
->totalsize
, fmt
->exp_start
,
2689 fmt
->exp_len
, fmt
->exp_nan
);
2690 /* Infinity mantissa is all zeroes. */
2691 put_field (uto
, fmt
->byteorder
, fmt
->totalsize
, fmt
->man_start
,
2696 #ifdef HAVE_LONG_DOUBLE
2697 mant
= ldfrexp (dfrom
, &exponent
);
2699 mant
= frexp (dfrom
, &exponent
);
2702 put_field (uto
, fmt
->byteorder
, fmt
->totalsize
, fmt
->exp_start
, fmt
->exp_len
,
2703 exponent
+ fmt
->exp_bias
- 1);
2705 mant_bits_left
= fmt
->man_len
;
2706 mant_off
= fmt
->man_start
;
2707 while (mant_bits_left
> 0)
2709 unsigned long mant_long
;
2710 mant_bits
= mant_bits_left
< 32 ? mant_bits_left
: 32;
2712 mant
*= 4294967296.0;
2713 mant_long
= ((unsigned long) mant
) & 0xffffffffL
;
2716 /* If the integer bit is implicit, then we need to discard it.
2717 If we are discarding a zero, we should be (but are not) creating
2718 a denormalized number which means adjusting the exponent
2720 if (mant_bits_left
== fmt
->man_len
2721 && fmt
->intbit
== floatformat_intbit_no
)
2724 mant_long
&= 0xffffffffL
;
2730 /* The bits we want are in the most significant MANT_BITS bits of
2731 mant_long. Move them to the least significant. */
2732 mant_long
>>= 32 - mant_bits
;
2735 put_field (uto
, fmt
->byteorder
, fmt
->totalsize
,
2736 mant_off
, mant_bits
, mant_long
);
2737 mant_off
+= mant_bits
;
2738 mant_bits_left
-= mant_bits
;
2740 if (fmt
->byteorder
== floatformat_littlebyte_bigword
)
2743 unsigned char *swaplow
= uto
;
2744 unsigned char *swaphigh
= uto
+ 4;
2747 for (count
= 0; count
< 4; count
++)
2750 *swaplow
++ = *swaphigh
;
2756 /* Check if VAL (which is assumed to be a floating point number whose
2757 format is described by FMT) is negative. */
2760 floatformat_is_negative (const struct floatformat
*fmt
, char *val
)
2762 unsigned char *uval
= (unsigned char *) val
;
2764 return get_field (uval
, fmt
->byteorder
, fmt
->totalsize
, fmt
->sign_start
, 1);
2767 /* Check if VAL is "not a number" (NaN) for FMT. */
2770 floatformat_is_nan (const struct floatformat
*fmt
, char *val
)
2772 unsigned char *uval
= (unsigned char *) val
;
2775 unsigned int mant_bits
, mant_off
;
2781 exponent
= get_field (uval
, fmt
->byteorder
, fmt
->totalsize
,
2782 fmt
->exp_start
, fmt
->exp_len
);
2784 if (exponent
!= fmt
->exp_nan
)
2787 mant_bits_left
= fmt
->man_len
;
2788 mant_off
= fmt
->man_start
;
2790 while (mant_bits_left
> 0)
2792 mant_bits
= min (mant_bits_left
, 32);
2794 mant
= get_field (uval
, fmt
->byteorder
, fmt
->totalsize
,
2795 mant_off
, mant_bits
);
2797 /* If there is an explicit integer bit, mask it off. */
2798 if (mant_off
== fmt
->man_start
2799 && fmt
->intbit
== floatformat_intbit_yes
)
2800 mant
&= ~(1 << (mant_bits
- 1));
2805 mant_off
+= mant_bits
;
2806 mant_bits_left
-= mant_bits
;
2812 /* Convert the mantissa of VAL (which is assumed to be a floating
2813 point number whose format is described by FMT) into a hexadecimal
2814 and store it in a static string. Return a pointer to that string. */
2817 floatformat_mantissa (const struct floatformat
*fmt
, char *val
)
2819 unsigned char *uval
= (unsigned char *) val
;
2821 unsigned int mant_bits
, mant_off
;
2823 static char res
[50];
2826 /* Make sure we have enough room to store the mantissa. */
2827 gdb_assert (sizeof res
> ((fmt
->man_len
+ 7) / 8) * 2);
2829 mant_off
= fmt
->man_start
;
2830 mant_bits_left
= fmt
->man_len
;
2831 mant_bits
= (mant_bits_left
% 32) > 0 ? mant_bits_left
% 32 : 32;
2833 mant
= get_field (uval
, fmt
->byteorder
, fmt
->totalsize
,
2834 mant_off
, mant_bits
);
2836 sprintf (res
, "%lx", mant
);
2838 mant_off
+= mant_bits
;
2839 mant_bits_left
-= mant_bits
;
2841 while (mant_bits_left
> 0)
2843 mant
= get_field (uval
, fmt
->byteorder
, fmt
->totalsize
,
2846 sprintf (buf
, "%08lx", mant
);
2850 mant_bits_left
-= 32;
2856 /* print routines to handle variable size regs, etc. */
2858 /* temporary storage using circular buffer */
2864 static char buf
[NUMCELLS
][CELLSIZE
];
2865 static int cell
= 0;
2866 if (++cell
>= NUMCELLS
)
2874 return (TARGET_ADDR_BIT
/ 8 * 2);
2878 paddr (CORE_ADDR addr
)
2880 return phex (addr
, TARGET_ADDR_BIT
/ 8);
2884 paddr_nz (CORE_ADDR addr
)
2886 return phex_nz (addr
, TARGET_ADDR_BIT
/ 8);
2890 decimal2str (char *paddr_str
, char *sign
, ULONGEST addr
)
2892 /* steal code from valprint.c:print_decimal(). Should this worry
2893 about the real size of addr as the above does? */
2894 unsigned long temp
[3];
2898 temp
[i
] = addr
% (1000 * 1000 * 1000);
2899 addr
/= (1000 * 1000 * 1000);
2902 while (addr
!= 0 && i
< (sizeof (temp
) / sizeof (temp
[0])));
2906 sprintf (paddr_str
, "%s%lu",
2910 sprintf (paddr_str
, "%s%lu%09lu",
2911 sign
, temp
[1], temp
[0]);
2914 sprintf (paddr_str
, "%s%lu%09lu%09lu",
2915 sign
, temp
[2], temp
[1], temp
[0]);
2918 internal_error (__FILE__
, __LINE__
, "failed internal consistency check");
2923 paddr_u (CORE_ADDR addr
)
2925 char *paddr_str
= get_cell ();
2926 decimal2str (paddr_str
, "", addr
);
2931 paddr_d (LONGEST addr
)
2933 char *paddr_str
= get_cell ();
2935 decimal2str (paddr_str
, "-", -addr
);
2937 decimal2str (paddr_str
, "", addr
);
2941 /* eliminate warning from compiler on 32-bit systems */
2942 static int thirty_two
= 32;
2945 phex (ULONGEST l
, int sizeof_l
)
2947 char *str
= get_cell ();
2951 sprintf (str
, "%08lx%08lx",
2952 (unsigned long) (l
>> thirty_two
),
2953 (unsigned long) (l
& 0xffffffff));
2956 sprintf (str
, "%08lx", (unsigned long) l
);
2959 sprintf (str
, "%04x", (unsigned short) (l
& 0xffff));
2962 phex (l
, sizeof (l
));
2969 phex_nz (ULONGEST l
, int sizeof_l
)
2971 char *str
= get_cell ();
2976 unsigned long high
= (unsigned long) (l
>> thirty_two
);
2978 sprintf (str
, "%lx", (unsigned long) (l
& 0xffffffff));
2980 sprintf (str
, "%lx%08lx",
2981 high
, (unsigned long) (l
& 0xffffffff));
2985 sprintf (str
, "%lx", (unsigned long) l
);
2988 sprintf (str
, "%x", (unsigned short) (l
& 0xffff));
2991 phex_nz (l
, sizeof (l
));
2998 /* Convert to / from the hosts pointer to GDB's internal CORE_ADDR
2999 using the target's conversion routines. */
3001 host_pointer_to_address (void *ptr
)
3003 if (sizeof (ptr
) != TYPE_LENGTH (builtin_type_ptr
))
3004 internal_error (__FILE__
, __LINE__
,
3005 "core_addr_to_void_ptr: bad cast");
3006 return POINTER_TO_ADDRESS (builtin_type_ptr
, &ptr
);
3010 address_to_host_pointer (CORE_ADDR addr
)
3013 if (sizeof (ptr
) != TYPE_LENGTH (builtin_type_ptr
))
3014 internal_error (__FILE__
, __LINE__
,
3015 "core_addr_to_void_ptr: bad cast");
3016 ADDRESS_TO_POINTER (builtin_type_ptr
, &ptr
, addr
);