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_FREE
66 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
68 /* readline defines this. */
71 void (*error_begin_hook
) (void);
73 /* Holds the last error message issued by gdb */
75 static struct ui_file
*gdb_lasterr
;
77 /* Prototypes for local functions */
79 static void vfprintf_maybe_filtered (struct ui_file
*, const char *,
82 static void fputs_maybe_filtered (const char *, struct ui_file
*, int);
84 #if defined (USE_MMALLOC) && !defined (NO_MMCHECK)
85 static void malloc_botch (void);
88 static void prompt_for_continue (void);
90 static void set_width_command (char *, int, struct cmd_list_element
*);
92 static void set_width (void);
94 /* Chain of cleanup actions established with make_cleanup,
95 to be executed if an error happens. */
97 static struct cleanup
*cleanup_chain
; /* cleaned up after a failed command */
98 static struct cleanup
*final_cleanup_chain
; /* cleaned up when gdb exits */
99 static struct cleanup
*run_cleanup_chain
; /* cleaned up on each 'run' */
100 static struct cleanup
*exec_cleanup_chain
; /* cleaned up on each execution command */
101 /* cleaned up on each error from within an execution command */
102 static struct cleanup
*exec_error_cleanup_chain
;
104 /* Pointer to what is left to do for an execution command after the
105 target stops. Used only in asynchronous mode, by targets that
106 support async execution. The finish and until commands use it. So
107 does the target extended-remote command. */
108 struct continuation
*cmd_continuation
;
109 struct continuation
*intermediate_continuation
;
111 /* Nonzero if we have job control. */
115 /* Nonzero means a quit has been requested. */
119 /* Nonzero means quit immediately if Control-C is typed now, rather
120 than waiting until QUIT is executed. Be careful in setting this;
121 code which executes with immediate_quit set has to be very careful
122 about being able to deal with being interrupted at any time. It is
123 almost always better to use QUIT; the only exception I can think of
124 is being able to quit out of a system call (using EINTR loses if
125 the SIGINT happens between the previous QUIT and the system call).
126 To immediately quit in the case in which a SIGINT happens between
127 the previous QUIT and setting immediate_quit (desirable anytime we
128 expect to block), call QUIT after setting immediate_quit. */
132 /* Nonzero means that encoded C++ names should be printed out in their
133 C++ form rather than raw. */
137 /* Nonzero means that encoded C++ names should be printed out in their
138 C++ form even in assembler language displays. If this is set, but
139 DEMANGLE is zero, names are printed raw, i.e. DEMANGLE controls. */
141 int asm_demangle
= 0;
143 /* Nonzero means that strings with character values >0x7F should be printed
144 as octal escapes. Zero means just print the value (e.g. it's an
145 international character, and the terminal or window can cope.) */
147 int sevenbit_strings
= 0;
149 /* String to be printed before error messages, if any. */
151 char *error_pre_print
;
153 /* String to be printed before quit messages, if any. */
155 char *quit_pre_print
;
157 /* String to be printed before warning messages, if any. */
159 char *warning_pre_print
= "\nwarning: ";
161 int pagination_enabled
= 1;
164 /* Add a new cleanup to the cleanup_chain,
165 and return the previous chain pointer
166 to be passed later to do_cleanups or discard_cleanups.
167 Args are FUNCTION to clean up with, and ARG to pass to it. */
170 make_cleanup (make_cleanup_ftype
*function
, void *arg
)
172 return make_my_cleanup (&cleanup_chain
, function
, arg
);
176 make_final_cleanup (make_cleanup_ftype
*function
, void *arg
)
178 return make_my_cleanup (&final_cleanup_chain
, function
, arg
);
182 make_run_cleanup (make_cleanup_ftype
*function
, void *arg
)
184 return make_my_cleanup (&run_cleanup_chain
, function
, arg
);
188 make_exec_cleanup (make_cleanup_ftype
*function
, void *arg
)
190 return make_my_cleanup (&exec_cleanup_chain
, function
, arg
);
194 make_exec_error_cleanup (make_cleanup_ftype
*function
, void *arg
)
196 return make_my_cleanup (&exec_error_cleanup_chain
, function
, arg
);
200 do_freeargv (void *arg
)
202 freeargv ((char **) arg
);
206 make_cleanup_freeargv (char **arg
)
208 return make_my_cleanup (&cleanup_chain
, do_freeargv
, arg
);
212 do_bfd_close_cleanup (void *arg
)
218 make_cleanup_bfd_close (bfd
*abfd
)
220 return make_cleanup (do_bfd_close_cleanup
, abfd
);
224 do_close_cleanup (void *arg
)
232 make_cleanup_close (int fd
)
234 int *saved_fd
= xmalloc (sizeof (fd
));
236 return make_cleanup (do_close_cleanup
, saved_fd
);
240 do_ui_file_delete (void *arg
)
242 ui_file_delete (arg
);
246 make_cleanup_ui_file_delete (struct ui_file
*arg
)
248 return make_my_cleanup (&cleanup_chain
, do_ui_file_delete
, arg
);
252 make_my_cleanup (struct cleanup
**pmy_chain
, make_cleanup_ftype
*function
,
255 register struct cleanup
*new
256 = (struct cleanup
*) xmalloc (sizeof (struct cleanup
));
257 register struct cleanup
*old_chain
= *pmy_chain
;
259 new->next
= *pmy_chain
;
260 new->function
= function
;
267 /* Discard cleanups and do the actions they describe
268 until we get back to the point OLD_CHAIN in the cleanup_chain. */
271 do_cleanups (register struct cleanup
*old_chain
)
273 do_my_cleanups (&cleanup_chain
, old_chain
);
277 do_final_cleanups (register struct cleanup
*old_chain
)
279 do_my_cleanups (&final_cleanup_chain
, old_chain
);
283 do_run_cleanups (register struct cleanup
*old_chain
)
285 do_my_cleanups (&run_cleanup_chain
, old_chain
);
289 do_exec_cleanups (register struct cleanup
*old_chain
)
291 do_my_cleanups (&exec_cleanup_chain
, old_chain
);
295 do_exec_error_cleanups (register struct cleanup
*old_chain
)
297 do_my_cleanups (&exec_error_cleanup_chain
, old_chain
);
301 do_my_cleanups (register struct cleanup
**pmy_chain
,
302 register struct cleanup
*old_chain
)
304 register struct cleanup
*ptr
;
305 while ((ptr
= *pmy_chain
) != old_chain
)
307 *pmy_chain
= ptr
->next
; /* Do this first incase recursion */
308 (*ptr
->function
) (ptr
->arg
);
313 /* Discard cleanups, not doing the actions they describe,
314 until we get back to the point OLD_CHAIN in the cleanup_chain. */
317 discard_cleanups (register struct cleanup
*old_chain
)
319 discard_my_cleanups (&cleanup_chain
, old_chain
);
323 discard_final_cleanups (register struct cleanup
*old_chain
)
325 discard_my_cleanups (&final_cleanup_chain
, old_chain
);
329 discard_exec_error_cleanups (register struct cleanup
*old_chain
)
331 discard_my_cleanups (&exec_error_cleanup_chain
, old_chain
);
335 discard_my_cleanups (register struct cleanup
**pmy_chain
,
336 register struct cleanup
*old_chain
)
338 register struct cleanup
*ptr
;
339 while ((ptr
= *pmy_chain
) != old_chain
)
341 *pmy_chain
= ptr
->next
;
346 /* Set the cleanup_chain to 0, and return the old cleanup chain. */
350 return save_my_cleanups (&cleanup_chain
);
354 save_final_cleanups (void)
356 return save_my_cleanups (&final_cleanup_chain
);
360 save_my_cleanups (struct cleanup
**pmy_chain
)
362 struct cleanup
*old_chain
= *pmy_chain
;
368 /* Restore the cleanup chain from a previously saved chain. */
370 restore_cleanups (struct cleanup
*chain
)
372 restore_my_cleanups (&cleanup_chain
, chain
);
376 restore_final_cleanups (struct cleanup
*chain
)
378 restore_my_cleanups (&final_cleanup_chain
, chain
);
382 restore_my_cleanups (struct cleanup
**pmy_chain
, struct cleanup
*chain
)
387 /* This function is useful for cleanups.
391 old_chain = make_cleanup (free_current_contents, &foo);
393 to arrange to free the object thus allocated. */
396 free_current_contents (void *ptr
)
398 void **location
= ptr
;
399 if (location
== NULL
)
400 internal_error (__FILE__
, __LINE__
,
401 "free_current_contents: NULL pointer");
402 if (*location
!= NULL
)
409 /* Provide a known function that does nothing, to use as a base for
410 for a possibly long chain of cleanups. This is useful where we
411 use the cleanup chain for handling normal cleanups as well as dealing
412 with cleanups that need to be done as a result of a call to error().
413 In such cases, we may not be certain where the first cleanup is, unless
414 we have a do-nothing one to always use as the base. */
418 null_cleanup (void *arg
)
422 /* Add a continuation to the continuation list, the global list
423 cmd_continuation. The new continuation will be added at the front.*/
425 add_continuation (void (*continuation_hook
) (struct continuation_arg
*),
426 struct continuation_arg
*arg_list
)
428 struct continuation
*continuation_ptr
;
430 continuation_ptr
= (struct continuation
*) xmalloc (sizeof (struct continuation
));
431 continuation_ptr
->continuation_hook
= continuation_hook
;
432 continuation_ptr
->arg_list
= arg_list
;
433 continuation_ptr
->next
= cmd_continuation
;
434 cmd_continuation
= continuation_ptr
;
437 /* Walk down the cmd_continuation list, and execute all the
438 continuations. There is a problem though. In some cases new
439 continuations may be added while we are in the middle of this
440 loop. If this happens they will be added in the front, and done
441 before we have a chance of exhausting those that were already
442 there. We need to then save the beginning of the list in a pointer
443 and do the continuations from there on, instead of using the
444 global beginning of list as our iteration pointer.*/
446 do_all_continuations (void)
448 struct continuation
*continuation_ptr
;
449 struct continuation
*saved_continuation
;
451 /* Copy the list header into another pointer, and set the global
452 list header to null, so that the global list can change as a side
453 effect of invoking the continuations and the processing of
454 the preexisting continuations will not be affected. */
455 continuation_ptr
= cmd_continuation
;
456 cmd_continuation
= NULL
;
458 /* Work now on the list we have set aside. */
459 while (continuation_ptr
)
461 (continuation_ptr
->continuation_hook
) (continuation_ptr
->arg_list
);
462 saved_continuation
= continuation_ptr
;
463 continuation_ptr
= continuation_ptr
->next
;
464 xfree (saved_continuation
);
468 /* Walk down the cmd_continuation list, and get rid of all the
471 discard_all_continuations (void)
473 struct continuation
*continuation_ptr
;
475 while (cmd_continuation
)
477 continuation_ptr
= cmd_continuation
;
478 cmd_continuation
= continuation_ptr
->next
;
479 xfree (continuation_ptr
);
483 /* Add a continuation to the continuation list, the global list
484 intermediate_continuation. The new continuation will be added at the front.*/
486 add_intermediate_continuation (void (*continuation_hook
)
487 (struct continuation_arg
*),
488 struct continuation_arg
*arg_list
)
490 struct continuation
*continuation_ptr
;
492 continuation_ptr
= (struct continuation
*) xmalloc (sizeof (struct continuation
));
493 continuation_ptr
->continuation_hook
= continuation_hook
;
494 continuation_ptr
->arg_list
= arg_list
;
495 continuation_ptr
->next
= intermediate_continuation
;
496 intermediate_continuation
= continuation_ptr
;
499 /* Walk down the cmd_continuation list, and execute all the
500 continuations. There is a problem though. In some cases new
501 continuations may be added while we are in the middle of this
502 loop. If this happens they will be added in the front, and done
503 before we have a chance of exhausting those that were already
504 there. We need to then save the beginning of the list in a pointer
505 and do the continuations from there on, instead of using the
506 global beginning of list as our iteration pointer.*/
508 do_all_intermediate_continuations (void)
510 struct continuation
*continuation_ptr
;
511 struct continuation
*saved_continuation
;
513 /* Copy the list header into another pointer, and set the global
514 list header to null, so that the global list can change as a side
515 effect of invoking the continuations and the processing of
516 the preexisting continuations will not be affected. */
517 continuation_ptr
= intermediate_continuation
;
518 intermediate_continuation
= NULL
;
520 /* Work now on the list we have set aside. */
521 while (continuation_ptr
)
523 (continuation_ptr
->continuation_hook
) (continuation_ptr
->arg_list
);
524 saved_continuation
= continuation_ptr
;
525 continuation_ptr
= continuation_ptr
->next
;
526 xfree (saved_continuation
);
530 /* Walk down the cmd_continuation list, and get rid of all the
533 discard_all_intermediate_continuations (void)
535 struct continuation
*continuation_ptr
;
537 while (intermediate_continuation
)
539 continuation_ptr
= intermediate_continuation
;
540 intermediate_continuation
= continuation_ptr
->next
;
541 xfree (continuation_ptr
);
547 /* Print a warning message. Way to use this is to call warning_begin,
548 output the warning message (use unfiltered output to gdb_stderr),
549 ending in a newline. There is not currently a warning_end that you
550 call afterwards, but such a thing might be added if it is useful
551 for a GUI to separate warning messages from other output.
553 FIXME: Why do warnings use unfiltered output and errors filtered?
554 Is this anything other than a historical accident? */
559 target_terminal_ours ();
560 wrap_here (""); /* Force out any buffered output */
561 gdb_flush (gdb_stdout
);
562 if (warning_pre_print
)
563 fprintf_unfiltered (gdb_stderr
, warning_pre_print
);
566 /* Print a warning message.
567 The first argument STRING is the warning message, used as a fprintf string,
568 and the remaining args are passed as arguments to it.
569 The primary difference between warnings and errors is that a warning
570 does not force the return to command level. */
573 warning (const char *string
,...)
576 va_start (args
, string
);
578 (*warning_hook
) (string
, args
);
582 vfprintf_unfiltered (gdb_stderr
, string
, args
);
583 fprintf_unfiltered (gdb_stderr
, "\n");
588 /* Start the printing of an error message. Way to use this is to call
589 this, output the error message (use filtered output to gdb_stderr
590 (FIXME: Some callers, like memory_error, use gdb_stdout)), ending
591 in a newline, and then call return_to_top_level (RETURN_ERROR).
592 error() provides a convenient way to do this for the special case
593 that the error message can be formatted with a single printf call,
594 but this is more general. */
598 if (error_begin_hook
)
601 target_terminal_ours ();
602 wrap_here (""); /* Force out any buffered output */
603 gdb_flush (gdb_stdout
);
605 annotate_error_begin ();
608 fprintf_filtered (gdb_stderr
, error_pre_print
);
611 /* Print an error message and return to command level.
612 The first argument STRING is the error message, used as a fprintf string,
613 and the remaining args are passed as arguments to it. */
616 verror (const char *string
, va_list args
)
619 struct cleanup
*err_string_cleanup
;
620 /* FIXME: cagney/1999-11-10: All error calls should come here.
621 Unfortunately some code uses the sequence: error_begin(); print
622 error message; return_to_top_level. That code should be
625 /* NOTE: It's tempting to just do the following...
626 vfprintf_filtered (gdb_stderr, string, args);
627 and then follow with a similar looking statement to cause the message
628 to also go to gdb_lasterr. But if we do this, we'll be traversing the
629 va_list twice which works on some platforms and fails miserably on
631 /* Save it as the last error */
632 ui_file_rewind (gdb_lasterr
);
633 vfprintf_filtered (gdb_lasterr
, string
, args
);
634 /* Retrieve the last error and print it to gdb_stderr */
635 err_string
= error_last_message ();
636 err_string_cleanup
= make_cleanup (xfree
, err_string
);
637 fputs_filtered (err_string
, gdb_stderr
);
638 fprintf_filtered (gdb_stderr
, "\n");
639 do_cleanups (err_string_cleanup
);
640 return_to_top_level (RETURN_ERROR
);
644 error (const char *string
,...)
647 va_start (args
, string
);
648 verror (string
, args
);
653 error_stream (struct ui_file
*stream
)
656 char *msg
= ui_file_xstrdup (stream
, &size
);
657 make_cleanup (xfree
, msg
);
661 /* Get the last error message issued by gdb */
664 error_last_message (void)
667 return ui_file_xstrdup (gdb_lasterr
, &len
);
670 /* This is to be called by main() at the very beginning */
675 gdb_lasterr
= mem_fileopen ();
678 /* Print a message reporting an internal error. Ask the user if they
679 want to continue, dump core, or just exit. */
682 internal_verror (const char *file
, int line
,
683 const char *fmt
, va_list ap
)
685 static char msg
[] = "Internal GDB error: recursive internal error.\n";
686 static int dejavu
= 0;
690 /* don't allow infinite error recursion. */
698 fputs_unfiltered (msg
, gdb_stderr
);
699 internal_error (__FILE__
, __LINE__
, "failed internal consistency check");
702 write (STDERR_FILENO
, msg
, sizeof (msg
));
706 /* Try to get the message out */
707 target_terminal_ours ();
708 fprintf_unfiltered (gdb_stderr
, "%s:%d: gdb-internal-error: ", file
, line
);
709 vfprintf_unfiltered (gdb_stderr
, fmt
, ap
);
710 fputs_unfiltered ("\n", gdb_stderr
);
712 /* Default (no case) is to quit GDB. When in batch mode this
713 lessens the likelhood of GDB going into an infinate loop. */
714 continue_p
= query ("\
715 An internal GDB error was detected. This may make further\n\
716 debugging unreliable. Continue this debugging session? ");
718 /* Default (no case) is to not dump core. Lessen the chance of GDB
719 leaving random core files around. */
720 dump_core_p
= query ("\
721 Create a core file containing the current state of GDB? ");
728 internal_error (__FILE__
, __LINE__
, "failed internal consistency check");
734 internal_error (__FILE__
, __LINE__
, "failed internal consistency check");
740 return_to_top_level (RETURN_ERROR
);
744 internal_error (const char *file
, int line
, const char *string
, ...)
747 va_start (ap
, string
);
749 internal_verror (file
, line
, string
, ap
);
753 /* The strerror() function can return NULL for errno values that are
754 out of range. Provide a "safe" version that always returns a
758 safe_strerror (int errnum
)
763 if ((msg
= strerror (errnum
)) == NULL
)
765 sprintf (buf
, "(undocumented errno %d)", errnum
);
771 /* Print the system error message for errno, and also mention STRING
772 as the file name for which the error was encountered.
773 Then return to command level. */
776 perror_with_name (char *string
)
781 err
= safe_strerror (errno
);
782 combined
= (char *) alloca (strlen (err
) + strlen (string
) + 3);
783 strcpy (combined
, string
);
784 strcat (combined
, ": ");
785 strcat (combined
, err
);
787 /* I understand setting these is a matter of taste. Still, some people
788 may clear errno but not know about bfd_error. Doing this here is not
790 bfd_set_error (bfd_error_no_error
);
793 error ("%s.", combined
);
796 /* Print the system error message for ERRCODE, and also mention STRING
797 as the file name for which the error was encountered. */
800 print_sys_errmsg (char *string
, int errcode
)
805 err
= safe_strerror (errcode
);
806 combined
= (char *) alloca (strlen (err
) + strlen (string
) + 3);
807 strcpy (combined
, string
);
808 strcat (combined
, ": ");
809 strcat (combined
, err
);
811 /* We want anything which was printed on stdout to come out first, before
813 gdb_flush (gdb_stdout
);
814 fprintf_unfiltered (gdb_stderr
, "%s.\n", combined
);
817 /* Control C eventually causes this to be called, at a convenient time. */
822 serial_t gdb_stdout_serial
= serial_fdopen (1);
824 target_terminal_ours ();
826 /* We want all output to appear now, before we print "Quit". We
827 have 3 levels of buffering we have to flush (it's possible that
828 some of these should be changed to flush the lower-level ones
831 /* 1. The _filtered buffer. */
832 wrap_here ((char *) 0);
834 /* 2. The stdio buffer. */
835 gdb_flush (gdb_stdout
);
836 gdb_flush (gdb_stderr
);
838 /* 3. The system-level buffer. */
839 SERIAL_DRAIN_OUTPUT (gdb_stdout_serial
);
840 SERIAL_UN_FDOPEN (gdb_stdout_serial
);
842 annotate_error_begin ();
844 /* Don't use *_filtered; we don't want to prompt the user to continue. */
846 fprintf_unfiltered (gdb_stderr
, quit_pre_print
);
849 /* No steenking SIGINT will ever be coming our way when the
850 program is resumed. Don't lie. */
851 fprintf_unfiltered (gdb_stderr
, "Quit\n");
854 /* If there is no terminal switching for this target, then we can't
855 possibly get screwed by the lack of job control. */
856 || current_target
.to_terminal_ours
== NULL
)
857 fprintf_unfiltered (gdb_stderr
, "Quit\n");
859 fprintf_unfiltered (gdb_stderr
,
860 "Quit (expect signal SIGINT when the program is resumed)\n");
862 return_to_top_level (RETURN_QUIT
);
866 #if defined(_MSC_VER) /* should test for wingdb instead? */
869 * Windows translates all keyboard and mouse events
870 * into a message which is appended to the message
871 * queue for the process.
877 int k
= win32pollquit ();
884 #else /* !defined(_MSC_VER) */
889 /* Done by signals */
892 #endif /* !defined(_MSC_VER) */
894 /* Control C comes here */
896 request_quit (int signo
)
899 /* Restore the signal handler. Harmless with BSD-style signals, needed
900 for System V-style signals. So just always do it, rather than worrying
901 about USG defines and stuff like that. */
902 signal (signo
, request_quit
);
912 /* Memory management stuff (malloc friends). */
914 /* Make a substitute size_t for non-ANSI compilers. */
916 #ifndef HAVE_STDDEF_H
918 #define size_t unsigned int
922 #if !defined (USE_MMALLOC)
925 mcalloc (PTR md
, size_t number
, size_t size
)
927 return calloc (number
, size
);
931 mmalloc (PTR md
, size_t size
)
933 return malloc (size
);
937 mrealloc (PTR md
, PTR ptr
, size_t size
)
939 if (ptr
== 0) /* Guard against old realloc's */
940 return malloc (size
);
942 return realloc (ptr
, size
);
946 mfree (PTR md
, PTR ptr
)
951 #endif /* USE_MMALLOC */
953 #if !defined (USE_MMALLOC) || defined (NO_MMCHECK)
956 init_malloc (void *md
)
960 #else /* Have mmalloc and want corruption checking */
965 fprintf_unfiltered (gdb_stderr
, "Memory corruption\n");
966 internal_error (__FILE__
, __LINE__
, "failed internal consistency check");
969 /* Attempt to install hooks in mmalloc/mrealloc/mfree for the heap specified
970 by MD, to detect memory corruption. Note that MD may be NULL to specify
971 the default heap that grows via sbrk.
973 Note that for freshly created regions, we must call mmcheckf prior to any
974 mallocs in the region. Otherwise, any region which was allocated prior to
975 installing the checking hooks, which is later reallocated or freed, will
976 fail the checks! The mmcheck function only allows initial hooks to be
977 installed before the first mmalloc. However, anytime after we have called
978 mmcheck the first time to install the checking hooks, we can call it again
979 to update the function pointer to the memory corruption handler.
981 Returns zero on failure, non-zero on success. */
983 #ifndef MMCHECK_FORCE
984 #define MMCHECK_FORCE 0
988 init_malloc (void *md
)
990 if (!mmcheckf (md
, malloc_botch
, MMCHECK_FORCE
))
992 /* Don't use warning(), which relies on current_target being set
993 to something other than dummy_target, until after
994 initialize_all_files(). */
997 (gdb_stderr
, "warning: failed to install memory consistency checks; ");
999 (gdb_stderr
, "configuration should define NO_MMCHECK or MMCHECK_FORCE\n");
1005 #endif /* Have mmalloc and want corruption checking */
1007 /* Called when a memory allocation fails, with the number of bytes of
1008 memory requested in SIZE. */
1015 internal_error (__FILE__
, __LINE__
,
1016 "virtual memory exhausted: can't allocate %ld bytes.", size
);
1020 internal_error (__FILE__
, __LINE__
,
1021 "virtual memory exhausted.");
1025 /* Like mmalloc but get error if no storage available, and protect against
1026 the caller wanting to allocate zero bytes. Whether to return NULL for
1027 a zero byte request, or translate the request into a request for one
1028 byte of zero'd storage, is a religious issue. */
1031 xmmalloc (PTR md
, long size
)
1039 else if ((val
= mmalloc (md
, size
)) == NULL
)
1046 /* Like mrealloc but get error if no storage available. */
1049 xmrealloc (PTR md
, PTR ptr
, long size
)
1063 val
= mrealloc (md
, ptr
, size
);
1067 val
= mmalloc (md
, size
);
1077 /* Like malloc but get error if no storage available, and protect against
1078 the caller wanting to allocate zero bytes. */
1081 xmalloc (size_t size
)
1083 return (xmmalloc ((PTR
) NULL
, size
));
1086 /* Like calloc but get error if no storage available */
1089 xcalloc (size_t number
, size_t size
)
1093 if (number
== 0 || size
== 0)
1097 mem
= mcalloc (NULL
, number
, size
);
1099 nomem (number
* size
);
1104 /* Like mrealloc but get error if no storage available. */
1107 xrealloc (PTR ptr
, size_t size
)
1109 return (xmrealloc ((PTR
) NULL
, ptr
, size
));
1112 /* Free up space allocated by one of xmalloc(), xcalloc(), or
1119 free (ptr
); /* NOTE: GDB's only call to free() */
1123 /* Like asprintf/vasprintf but get an internal_error if the call
1127 xasprintf (char **ret
, const char *format
, ...)
1130 va_start (args
, format
);
1131 xvasprintf (ret
, format
, args
);
1136 xvasprintf (char **ret
, const char *format
, va_list ap
)
1138 int status
= vasprintf (ret
, format
, ap
);
1139 /* NULL could be returned due to a memory allocation problem; a
1140 badly format string; or something else. */
1142 internal_error (__FILE__
, __LINE__
,
1143 "vasprintf returned NULL buffer (errno %d)",
1145 /* A negative status with a non-NULL buffer shouldn't never
1146 happen. But to be sure. */
1148 internal_error (__FILE__
, __LINE__
,
1149 "vasprintf call failed (errno %d)",
1154 /* My replacement for the read system call.
1155 Used like `read' but keeps going if `read' returns too soon. */
1158 myread (int desc
, char *addr
, int len
)
1165 val
= read (desc
, addr
, len
);
1169 return orglen
- len
;
1176 /* Make a copy of the string at PTR with SIZE characters
1177 (and add a null character at the end in the copy).
1178 Uses malloc to get the space. Returns the address of the copy. */
1181 savestring (const char *ptr
, size_t size
)
1183 register char *p
= (char *) xmalloc (size
+ 1);
1184 memcpy (p
, ptr
, size
);
1190 msavestring (void *md
, const char *ptr
, size_t size
)
1192 register char *p
= (char *) xmmalloc (md
, size
+ 1);
1193 memcpy (p
, ptr
, size
);
1199 mstrsave (void *md
, const char *ptr
)
1201 return (msavestring (md
, ptr
, strlen (ptr
)));
1205 print_spaces (register int n
, register struct ui_file
*file
)
1207 fputs_unfiltered (n_spaces (n
), file
);
1210 /* Print a host address. */
1213 gdb_print_host_address (void *addr
, struct ui_file
*stream
)
1216 /* We could use the %p conversion specifier to fprintf if we had any
1217 way of knowing whether this host supports it. But the following
1218 should work on the Alpha and on 32 bit machines. */
1220 fprintf_filtered (stream
, "0x%lx", (unsigned long) addr
);
1223 /* Ask user a y-or-n question and return 1 iff answer is yes.
1224 Takes three args which are given to printf to print the question.
1225 The first, a control string, should end in "? ".
1226 It should not say how to answer, because we do that. */
1230 query (char *ctlstr
,...)
1233 register int answer
;
1237 va_start (args
, ctlstr
);
1241 return query_hook (ctlstr
, args
);
1244 /* Automatically answer "yes" if input is not from a terminal. */
1245 if (!input_from_terminal_p ())
1248 /* FIXME Automatically answer "yes" if called from MacGDB. */
1255 wrap_here (""); /* Flush any buffered output */
1256 gdb_flush (gdb_stdout
);
1258 if (annotation_level
> 1)
1259 printf_filtered ("\n\032\032pre-query\n");
1261 vfprintf_filtered (gdb_stdout
, ctlstr
, args
);
1262 printf_filtered ("(y or n) ");
1264 if (annotation_level
> 1)
1265 printf_filtered ("\n\032\032query\n");
1268 /* If not in MacGDB, move to a new line so the entered line doesn't
1269 have a prompt on the front of it. */
1271 fputs_unfiltered ("\n", gdb_stdout
);
1275 gdb_flush (gdb_stdout
);
1278 if (!tui_version
|| cmdWin
== tuiWinWithFocus ())
1280 answer
= fgetc (stdin
);
1283 answer
= (unsigned char) tuiBufferGetc ();
1286 clearerr (stdin
); /* in case of C-d */
1287 if (answer
== EOF
) /* C-d */
1292 /* Eat rest of input line, to EOF or newline */
1293 if ((answer
!= '\n') || (tui_version
&& answer
!= '\r'))
1297 if (!tui_version
|| cmdWin
== tuiWinWithFocus ())
1299 ans2
= fgetc (stdin
);
1302 ans2
= (unsigned char) tuiBufferGetc ();
1306 while (ans2
!= EOF
&& ans2
!= '\n' && ans2
!= '\r');
1307 TUIDO (((TuiOpaqueFuncPtr
) tui_vStartNewLines
, 1));
1321 printf_filtered ("Please answer y or n.\n");
1324 if (annotation_level
> 1)
1325 printf_filtered ("\n\032\032post-query\n");
1330 /* Parse a C escape sequence. STRING_PTR points to a variable
1331 containing a pointer to the string to parse. That pointer
1332 should point to the character after the \. That pointer
1333 is updated past the characters we use. The value of the
1334 escape sequence is returned.
1336 A negative value means the sequence \ newline was seen,
1337 which is supposed to be equivalent to nothing at all.
1339 If \ is followed by a null character, we return a negative
1340 value and leave the string pointer pointing at the null character.
1342 If \ is followed by 000, we return 0 and leave the string pointer
1343 after the zeros. A value of 0 does not mean end of string. */
1346 parse_escape (char **string_ptr
)
1348 register int c
= *(*string_ptr
)++;
1352 return 007; /* Bell (alert) char */
1355 case 'e': /* Escape character */
1373 c
= *(*string_ptr
)++;
1375 c
= parse_escape (string_ptr
);
1378 return (c
& 0200) | (c
& 037);
1389 register int i
= c
- '0';
1390 register int count
= 0;
1393 if ((c
= *(*string_ptr
)++) >= '0' && c
<= '7')
1411 /* Print the character C on STREAM as part of the contents of a literal
1412 string whose delimiter is QUOTER. Note that this routine should only
1413 be call for printing things which are independent of the language
1414 of the program being debugged. */
1417 printchar (int c
, void (*do_fputs
) (const char *, struct ui_file
*),
1418 void (*do_fprintf
) (struct ui_file
*, const char *, ...),
1419 struct ui_file
*stream
, int quoter
)
1422 c
&= 0xFF; /* Avoid sign bit follies */
1424 if (c
< 0x20 || /* Low control chars */
1425 (c
>= 0x7F && c
< 0xA0) || /* DEL, High controls */
1426 (sevenbit_strings
&& c
>= 0x80))
1427 { /* high order bit set */
1431 do_fputs ("\\n", stream
);
1434 do_fputs ("\\b", stream
);
1437 do_fputs ("\\t", stream
);
1440 do_fputs ("\\f", stream
);
1443 do_fputs ("\\r", stream
);
1446 do_fputs ("\\e", stream
);
1449 do_fputs ("\\a", stream
);
1452 do_fprintf (stream
, "\\%.3o", (unsigned int) c
);
1458 if (c
== '\\' || c
== quoter
)
1459 do_fputs ("\\", stream
);
1460 do_fprintf (stream
, "%c", c
);
1464 /* Print the character C on STREAM as part of the contents of a
1465 literal string whose delimiter is QUOTER. Note that these routines
1466 should only be call for printing things which are independent of
1467 the language of the program being debugged. */
1470 fputstr_filtered (const char *str
, int quoter
, struct ui_file
*stream
)
1473 printchar (*str
++, fputs_filtered
, fprintf_filtered
, stream
, quoter
);
1477 fputstr_unfiltered (const char *str
, int quoter
, struct ui_file
*stream
)
1480 printchar (*str
++, fputs_unfiltered
, fprintf_unfiltered
, stream
, quoter
);
1484 fputstrn_unfiltered (const char *str
, int n
, int quoter
, struct ui_file
*stream
)
1487 for (i
= 0; i
< n
; i
++)
1488 printchar (str
[i
], fputs_unfiltered
, fprintf_unfiltered
, stream
, quoter
);
1493 /* Number of lines per page or UINT_MAX if paging is disabled. */
1494 static unsigned int lines_per_page
;
1495 /* Number of chars per line or UINT_MAX if line folding is disabled. */
1496 static unsigned int chars_per_line
;
1497 /* Current count of lines printed on this page, chars on this line. */
1498 static unsigned int lines_printed
, chars_printed
;
1500 /* Buffer and start column of buffered text, for doing smarter word-
1501 wrapping. When someone calls wrap_here(), we start buffering output
1502 that comes through fputs_filtered(). If we see a newline, we just
1503 spit it out and forget about the wrap_here(). If we see another
1504 wrap_here(), we spit it out and remember the newer one. If we see
1505 the end of the line, we spit out a newline, the indent, and then
1506 the buffered output. */
1508 /* Malloc'd buffer with chars_per_line+2 bytes. Contains characters which
1509 are waiting to be output (they have already been counted in chars_printed).
1510 When wrap_buffer[0] is null, the buffer is empty. */
1511 static char *wrap_buffer
;
1513 /* Pointer in wrap_buffer to the next character to fill. */
1514 static char *wrap_pointer
;
1516 /* String to indent by if the wrap occurs. Must not be NULL if wrap_column
1518 static char *wrap_indent
;
1520 /* Column number on the screen where wrap_buffer begins, or 0 if wrapping
1521 is not in effect. */
1522 static int wrap_column
;
1525 /* Inialize the lines and chars per page */
1527 init_page_info (void)
1530 if (tui_version
&& m_winPtrNotNull (cmdWin
))
1532 lines_per_page
= cmdWin
->generic
.height
;
1533 chars_per_line
= cmdWin
->generic
.width
;
1538 /* These defaults will be used if we are unable to get the correct
1539 values from termcap. */
1540 #if defined(__GO32__)
1541 lines_per_page
= ScreenRows ();
1542 chars_per_line
= ScreenCols ();
1544 lines_per_page
= 24;
1545 chars_per_line
= 80;
1547 #if !defined (MPW) && !defined (_WIN32)
1548 /* No termcap under MPW, although might be cool to do something
1549 by looking at worksheet or console window sizes. */
1550 /* Initialize the screen height and width from termcap. */
1552 char *termtype
= getenv ("TERM");
1554 /* Positive means success, nonpositive means failure. */
1557 /* 2048 is large enough for all known terminals, according to the
1558 GNU termcap manual. */
1559 char term_buffer
[2048];
1563 status
= tgetent (term_buffer
, termtype
);
1567 int running_in_emacs
= getenv ("EMACS") != NULL
;
1569 val
= tgetnum ("li");
1570 if (val
>= 0 && !running_in_emacs
)
1571 lines_per_page
= val
;
1573 /* The number of lines per page is not mentioned
1574 in the terminal description. This probably means
1575 that paging is not useful (e.g. emacs shell window),
1576 so disable paging. */
1577 lines_per_page
= UINT_MAX
;
1579 val
= tgetnum ("co");
1581 chars_per_line
= val
;
1587 #if defined(SIGWINCH) && defined(SIGWINCH_HANDLER)
1589 /* If there is a better way to determine the window size, use it. */
1590 SIGWINCH_HANDLER (SIGWINCH
);
1593 /* If the output is not a terminal, don't paginate it. */
1594 if (!ui_file_isatty (gdb_stdout
))
1595 lines_per_page
= UINT_MAX
;
1596 } /* the command_line_version */
1603 if (chars_per_line
== 0)
1608 wrap_buffer
= (char *) xmalloc (chars_per_line
+ 2);
1609 wrap_buffer
[0] = '\0';
1612 wrap_buffer
= (char *) xrealloc (wrap_buffer
, chars_per_line
+ 2);
1613 wrap_pointer
= wrap_buffer
; /* Start it at the beginning */
1618 set_width_command (char *args
, int from_tty
, struct cmd_list_element
*c
)
1623 /* Wait, so the user can read what's on the screen. Prompt the user
1624 to continue by pressing RETURN. */
1627 prompt_for_continue (void)
1630 char cont_prompt
[120];
1632 if (annotation_level
> 1)
1633 printf_unfiltered ("\n\032\032pre-prompt-for-continue\n");
1635 strcpy (cont_prompt
,
1636 "---Type <return> to continue, or q <return> to quit---");
1637 if (annotation_level
> 1)
1638 strcat (cont_prompt
, "\n\032\032prompt-for-continue\n");
1640 /* We must do this *before* we call gdb_readline, else it will eventually
1641 call us -- thinking that we're trying to print beyond the end of the
1643 reinitialize_more_filter ();
1646 /* On a real operating system, the user can quit with SIGINT.
1649 'q' is provided on all systems so users don't have to change habits
1650 from system to system, and because telling them what to do in
1651 the prompt is more user-friendly than expecting them to think of
1653 /* Call readline, not gdb_readline, because GO32 readline handles control-C
1654 whereas control-C to gdb_readline will cause the user to get dumped
1656 ignore
= readline (cont_prompt
);
1658 if (annotation_level
> 1)
1659 printf_unfiltered ("\n\032\032post-prompt-for-continue\n");
1664 while (*p
== ' ' || *p
== '\t')
1669 request_quit (SIGINT
);
1671 async_request_quit (0);
1677 /* Now we have to do this again, so that GDB will know that it doesn't
1678 need to save the ---Type <return>--- line at the top of the screen. */
1679 reinitialize_more_filter ();
1681 dont_repeat (); /* Forget prev cmd -- CR won't repeat it. */
1684 /* Reinitialize filter; ie. tell it to reset to original values. */
1687 reinitialize_more_filter (void)
1693 /* Indicate that if the next sequence of characters overflows the line,
1694 a newline should be inserted here rather than when it hits the end.
1695 If INDENT is non-null, it is a string to be printed to indent the
1696 wrapped part on the next line. INDENT must remain accessible until
1697 the next call to wrap_here() or until a newline is printed through
1700 If the line is already overfull, we immediately print a newline and
1701 the indentation, and disable further wrapping.
1703 If we don't know the width of lines, but we know the page height,
1704 we must not wrap words, but should still keep track of newlines
1705 that were explicitly printed.
1707 INDENT should not contain tabs, as that will mess up the char count
1708 on the next line. FIXME.
1710 This routine is guaranteed to force out any output which has been
1711 squirreled away in the wrap_buffer, so wrap_here ((char *)0) can be
1712 used to force out output from the wrap_buffer. */
1715 wrap_here (char *indent
)
1717 /* This should have been allocated, but be paranoid anyway. */
1719 internal_error (__FILE__
, __LINE__
, "failed internal consistency check");
1723 *wrap_pointer
= '\0';
1724 fputs_unfiltered (wrap_buffer
, gdb_stdout
);
1726 wrap_pointer
= wrap_buffer
;
1727 wrap_buffer
[0] = '\0';
1728 if (chars_per_line
== UINT_MAX
) /* No line overflow checking */
1732 else if (chars_printed
>= chars_per_line
)
1734 puts_filtered ("\n");
1736 puts_filtered (indent
);
1741 wrap_column
= chars_printed
;
1745 wrap_indent
= indent
;
1749 /* Ensure that whatever gets printed next, using the filtered output
1750 commands, starts at the beginning of the line. I.E. if there is
1751 any pending output for the current line, flush it and start a new
1752 line. Otherwise do nothing. */
1757 if (chars_printed
> 0)
1759 puts_filtered ("\n");
1764 /* Like fputs but if FILTER is true, pause after every screenful.
1766 Regardless of FILTER can wrap at points other than the final
1767 character of a line.
1769 Unlike fputs, fputs_maybe_filtered does not return a value.
1770 It is OK for LINEBUFFER to be NULL, in which case just don't print
1773 Note that a longjmp to top level may occur in this routine (only if
1774 FILTER is true) (since prompt_for_continue may do so) so this
1775 routine should not be called when cleanups are not in place. */
1778 fputs_maybe_filtered (const char *linebuffer
, struct ui_file
*stream
,
1781 const char *lineptr
;
1783 if (linebuffer
== 0)
1786 /* Don't do any filtering if it is disabled. */
1787 if ((stream
!= gdb_stdout
) || !pagination_enabled
1788 || (lines_per_page
== UINT_MAX
&& chars_per_line
== UINT_MAX
))
1790 fputs_unfiltered (linebuffer
, stream
);
1794 /* Go through and output each character. Show line extension
1795 when this is necessary; prompt user for new page when this is
1798 lineptr
= linebuffer
;
1801 /* Possible new page. */
1803 (lines_printed
>= lines_per_page
- 1))
1804 prompt_for_continue ();
1806 while (*lineptr
&& *lineptr
!= '\n')
1808 /* Print a single line. */
1809 if (*lineptr
== '\t')
1812 *wrap_pointer
++ = '\t';
1814 fputc_unfiltered ('\t', stream
);
1815 /* Shifting right by 3 produces the number of tab stops
1816 we have already passed, and then adding one and
1817 shifting left 3 advances to the next tab stop. */
1818 chars_printed
= ((chars_printed
>> 3) + 1) << 3;
1824 *wrap_pointer
++ = *lineptr
;
1826 fputc_unfiltered (*lineptr
, stream
);
1831 if (chars_printed
>= chars_per_line
)
1833 unsigned int save_chars
= chars_printed
;
1837 /* If we aren't actually wrapping, don't output newline --
1838 if chars_per_line is right, we probably just overflowed
1839 anyway; if it's wrong, let us keep going. */
1841 fputc_unfiltered ('\n', stream
);
1843 /* Possible new page. */
1844 if (lines_printed
>= lines_per_page
- 1)
1845 prompt_for_continue ();
1847 /* Now output indentation and wrapped string */
1850 fputs_unfiltered (wrap_indent
, stream
);
1851 *wrap_pointer
= '\0'; /* Null-terminate saved stuff */
1852 fputs_unfiltered (wrap_buffer
, stream
); /* and eject it */
1853 /* FIXME, this strlen is what prevents wrap_indent from
1854 containing tabs. However, if we recurse to print it
1855 and count its chars, we risk trouble if wrap_indent is
1856 longer than (the user settable) chars_per_line.
1857 Note also that this can set chars_printed > chars_per_line
1858 if we are printing a long string. */
1859 chars_printed
= strlen (wrap_indent
)
1860 + (save_chars
- wrap_column
);
1861 wrap_pointer
= wrap_buffer
; /* Reset buffer */
1862 wrap_buffer
[0] = '\0';
1863 wrap_column
= 0; /* And disable fancy wrap */
1868 if (*lineptr
== '\n')
1871 wrap_here ((char *) 0); /* Spit out chars, cancel further wraps */
1873 fputc_unfiltered ('\n', stream
);
1880 fputs_filtered (const char *linebuffer
, struct ui_file
*stream
)
1882 fputs_maybe_filtered (linebuffer
, stream
, 1);
1886 putchar_unfiltered (int c
)
1889 ui_file_write (gdb_stdout
, &buf
, 1);
1893 /* Write character C to gdb_stdout using GDB's paging mechanism and return C.
1894 May return nonlocally. */
1897 putchar_filtered (int c
)
1899 return fputc_filtered (c
, gdb_stdout
);
1903 fputc_unfiltered (int c
, struct ui_file
*stream
)
1906 ui_file_write (stream
, &buf
, 1);
1911 fputc_filtered (int c
, struct ui_file
*stream
)
1917 fputs_filtered (buf
, stream
);
1921 /* puts_debug is like fputs_unfiltered, except it prints special
1922 characters in printable fashion. */
1925 puts_debug (char *prefix
, char *string
, char *suffix
)
1929 /* Print prefix and suffix after each line. */
1930 static int new_line
= 1;
1931 static int return_p
= 0;
1932 static char *prev_prefix
= "";
1933 static char *prev_suffix
= "";
1935 if (*string
== '\n')
1938 /* If the prefix is changing, print the previous suffix, a new line,
1939 and the new prefix. */
1940 if ((return_p
|| (strcmp (prev_prefix
, prefix
) != 0)) && !new_line
)
1942 fputs_unfiltered (prev_suffix
, gdb_stdlog
);
1943 fputs_unfiltered ("\n", gdb_stdlog
);
1944 fputs_unfiltered (prefix
, gdb_stdlog
);
1947 /* Print prefix if we printed a newline during the previous call. */
1951 fputs_unfiltered (prefix
, gdb_stdlog
);
1954 prev_prefix
= prefix
;
1955 prev_suffix
= suffix
;
1957 /* Output characters in a printable format. */
1958 while ((ch
= *string
++) != '\0')
1964 fputc_unfiltered (ch
, gdb_stdlog
);
1967 fprintf_unfiltered (gdb_stdlog
, "\\x%02x", ch
& 0xff);
1971 fputs_unfiltered ("\\\\", gdb_stdlog
);
1974 fputs_unfiltered ("\\b", gdb_stdlog
);
1977 fputs_unfiltered ("\\f", gdb_stdlog
);
1981 fputs_unfiltered ("\\n", gdb_stdlog
);
1984 fputs_unfiltered ("\\r", gdb_stdlog
);
1987 fputs_unfiltered ("\\t", gdb_stdlog
);
1990 fputs_unfiltered ("\\v", gdb_stdlog
);
1994 return_p
= ch
== '\r';
1997 /* Print suffix if we printed a newline. */
2000 fputs_unfiltered (suffix
, gdb_stdlog
);
2001 fputs_unfiltered ("\n", gdb_stdlog
);
2006 /* Print a variable number of ARGS using format FORMAT. If this
2007 information is going to put the amount written (since the last call
2008 to REINITIALIZE_MORE_FILTER or the last page break) over the page size,
2009 call prompt_for_continue to get the users permision to continue.
2011 Unlike fprintf, this function does not return a value.
2013 We implement three variants, vfprintf (takes a vararg list and stream),
2014 fprintf (takes a stream to write on), and printf (the usual).
2016 Note also that a longjmp to top level may occur in this routine
2017 (since prompt_for_continue may do so) so this routine should not be
2018 called when cleanups are not in place. */
2021 vfprintf_maybe_filtered (struct ui_file
*stream
, const char *format
,
2022 va_list args
, int filter
)
2025 struct cleanup
*old_cleanups
;
2027 xvasprintf (&linebuffer
, format
, args
);
2028 old_cleanups
= make_cleanup (xfree
, linebuffer
);
2029 fputs_maybe_filtered (linebuffer
, stream
, filter
);
2030 do_cleanups (old_cleanups
);
2035 vfprintf_filtered (struct ui_file
*stream
, const char *format
, va_list args
)
2037 vfprintf_maybe_filtered (stream
, format
, args
, 1);
2041 vfprintf_unfiltered (struct ui_file
*stream
, const char *format
, va_list args
)
2044 struct cleanup
*old_cleanups
;
2046 xvasprintf (&linebuffer
, format
, args
);
2047 old_cleanups
= make_cleanup (xfree
, linebuffer
);
2048 fputs_unfiltered (linebuffer
, stream
);
2049 do_cleanups (old_cleanups
);
2053 vprintf_filtered (const char *format
, va_list args
)
2055 vfprintf_maybe_filtered (gdb_stdout
, format
, args
, 1);
2059 vprintf_unfiltered (const char *format
, va_list args
)
2061 vfprintf_unfiltered (gdb_stdout
, format
, args
);
2065 fprintf_filtered (struct ui_file
* stream
, const char *format
,...)
2068 va_start (args
, format
);
2069 vfprintf_filtered (stream
, format
, args
);
2074 fprintf_unfiltered (struct ui_file
* stream
, const char *format
,...)
2077 va_start (args
, format
);
2078 vfprintf_unfiltered (stream
, format
, args
);
2082 /* Like fprintf_filtered, but prints its result indented.
2083 Called as fprintfi_filtered (spaces, stream, format, ...); */
2086 fprintfi_filtered (int spaces
, struct ui_file
* stream
, const char *format
,...)
2089 va_start (args
, format
);
2090 print_spaces_filtered (spaces
, stream
);
2092 vfprintf_filtered (stream
, format
, args
);
2098 printf_filtered (const char *format
,...)
2101 va_start (args
, format
);
2102 vfprintf_filtered (gdb_stdout
, format
, args
);
2108 printf_unfiltered (const char *format
,...)
2111 va_start (args
, format
);
2112 vfprintf_unfiltered (gdb_stdout
, format
, args
);
2116 /* Like printf_filtered, but prints it's result indented.
2117 Called as printfi_filtered (spaces, format, ...); */
2120 printfi_filtered (int spaces
, const char *format
,...)
2123 va_start (args
, format
);
2124 print_spaces_filtered (spaces
, gdb_stdout
);
2125 vfprintf_filtered (gdb_stdout
, format
, args
);
2129 /* Easy -- but watch out!
2131 This routine is *not* a replacement for puts()! puts() appends a newline.
2132 This one doesn't, and had better not! */
2135 puts_filtered (const char *string
)
2137 fputs_filtered (string
, gdb_stdout
);
2141 puts_unfiltered (const char *string
)
2143 fputs_unfiltered (string
, gdb_stdout
);
2146 /* Return a pointer to N spaces and a null. The pointer is good
2147 until the next call to here. */
2152 static char *spaces
= 0;
2153 static int max_spaces
= -1;
2159 spaces
= (char *) xmalloc (n
+ 1);
2160 for (t
= spaces
+ n
; t
!= spaces
;)
2166 return spaces
+ max_spaces
- n
;
2169 /* Print N spaces. */
2171 print_spaces_filtered (int n
, struct ui_file
*stream
)
2173 fputs_filtered (n_spaces (n
), stream
);
2176 /* C++ demangler stuff. */
2178 /* fprintf_symbol_filtered attempts to demangle NAME, a symbol in language
2179 LANG, using demangling args ARG_MODE, and print it filtered to STREAM.
2180 If the name is not mangled, or the language for the name is unknown, or
2181 demangling is off, the name is printed in its "raw" form. */
2184 fprintf_symbol_filtered (struct ui_file
*stream
, char *name
, enum language lang
,
2191 /* If user wants to see raw output, no problem. */
2194 fputs_filtered (name
, stream
);
2200 case language_cplus
:
2201 demangled
= cplus_demangle (name
, arg_mode
);
2204 demangled
= cplus_demangle (name
, arg_mode
| DMGL_JAVA
);
2206 case language_chill
:
2207 demangled
= chill_demangle (name
);
2213 fputs_filtered (demangled
? demangled
: name
, stream
);
2214 if (demangled
!= NULL
)
2222 /* Do a strcmp() type operation on STRING1 and STRING2, ignoring any
2223 differences in whitespace. Returns 0 if they match, non-zero if they
2224 don't (slightly different than strcmp()'s range of return values).
2226 As an extra hack, string1=="FOO(ARGS)" matches string2=="FOO".
2227 This "feature" is useful when searching for matching C++ function names
2228 (such as if the user types 'break FOO', where FOO is a mangled C++
2232 strcmp_iw (const char *string1
, const char *string2
)
2234 while ((*string1
!= '\0') && (*string2
!= '\0'))
2236 while (isspace (*string1
))
2240 while (isspace (*string2
))
2244 if (*string1
!= *string2
)
2248 if (*string1
!= '\0')
2254 return (*string1
!= '\0' && *string1
!= '(') || (*string2
!= '\0');
2260 ** Answer whether string_to_compare is a full or partial match to
2261 ** template_string. The partial match must be in sequence starting
2265 subset_compare (char *string_to_compare
, char *template_string
)
2268 if (template_string
!= (char *) NULL
&& string_to_compare
!= (char *) NULL
&&
2269 strlen (string_to_compare
) <= strlen (template_string
))
2270 match
= (strncmp (template_string
,
2272 strlen (string_to_compare
)) == 0);
2279 static void pagination_on_command (char *arg
, int from_tty
);
2281 pagination_on_command (char *arg
, int from_tty
)
2283 pagination_enabled
= 1;
2286 static void pagination_on_command (char *arg
, int from_tty
);
2288 pagination_off_command (char *arg
, int from_tty
)
2290 pagination_enabled
= 0;
2295 initialize_utils (void)
2297 struct cmd_list_element
*c
;
2299 c
= add_set_cmd ("width", class_support
, var_uinteger
,
2300 (char *) &chars_per_line
,
2301 "Set number of characters gdb thinks are in a line.",
2303 add_show_from_set (c
, &showlist
);
2304 c
->function
.sfunc
= set_width_command
;
2307 (add_set_cmd ("height", class_support
,
2308 var_uinteger
, (char *) &lines_per_page
,
2309 "Set number of lines gdb thinks are in a page.", &setlist
),
2314 /* If the output is not a terminal, don't paginate it. */
2315 if (!ui_file_isatty (gdb_stdout
))
2316 lines_per_page
= UINT_MAX
;
2318 set_width_command ((char *) NULL
, 0, c
);
2321 (add_set_cmd ("demangle", class_support
, var_boolean
,
2323 "Set demangling of encoded C++ names when displaying symbols.",
2328 (add_set_cmd ("pagination", class_support
,
2329 var_boolean
, (char *) &pagination_enabled
,
2330 "Set state of pagination.", &setlist
),
2335 add_com ("am", class_support
, pagination_on_command
,
2336 "Enable pagination");
2337 add_com ("sm", class_support
, pagination_off_command
,
2338 "Disable pagination");
2342 (add_set_cmd ("sevenbit-strings", class_support
, var_boolean
,
2343 (char *) &sevenbit_strings
,
2344 "Set printing of 8-bit characters in strings as \\nnn.",
2349 (add_set_cmd ("asm-demangle", class_support
, var_boolean
,
2350 (char *) &asm_demangle
,
2351 "Set demangling of C++ names in disassembly listings.",
2356 /* Machine specific function to handle SIGWINCH signal. */
2358 #ifdef SIGWINCH_HANDLER_BODY
2359 SIGWINCH_HANDLER_BODY
2362 /* Support for converting target fp numbers into host DOUBLEST format. */
2364 /* XXX - This code should really be in libiberty/floatformat.c, however
2365 configuration issues with libiberty made this very difficult to do in the
2368 #include "floatformat.h"
2369 #include <math.h> /* ldexp */
2371 /* The odds that CHAR_BIT will be anything but 8 are low enough that I'm not
2372 going to bother with trying to muck around with whether it is defined in
2373 a system header, what we do if not, etc. */
2374 #define FLOATFORMAT_CHAR_BIT 8
2376 static unsigned long get_field (unsigned char *,
2377 enum floatformat_byteorders
,
2378 unsigned int, unsigned int, unsigned int);
2380 /* Extract a field which starts at START and is LEN bytes long. DATA and
2381 TOTAL_LEN are the thing we are extracting it from, in byteorder ORDER. */
2382 static unsigned long
2383 get_field (unsigned char *data
, enum floatformat_byteorders order
,
2384 unsigned int total_len
, unsigned int start
, unsigned int len
)
2386 unsigned long result
;
2387 unsigned int cur_byte
;
2390 /* Start at the least significant part of the field. */
2391 if (order
== floatformat_little
|| order
== floatformat_littlebyte_bigword
)
2393 /* We start counting from the other end (i.e, from the high bytes
2394 rather than the low bytes). As such, we need to be concerned
2395 with what happens if bit 0 doesn't start on a byte boundary.
2396 I.e, we need to properly handle the case where total_len is
2397 not evenly divisible by 8. So we compute ``excess'' which
2398 represents the number of bits from the end of our starting
2399 byte needed to get to bit 0. */
2400 int excess
= FLOATFORMAT_CHAR_BIT
- (total_len
% FLOATFORMAT_CHAR_BIT
);
2401 cur_byte
= (total_len
/ FLOATFORMAT_CHAR_BIT
)
2402 - ((start
+ len
+ excess
) / FLOATFORMAT_CHAR_BIT
);
2403 cur_bitshift
= ((start
+ len
+ excess
) % FLOATFORMAT_CHAR_BIT
)
2404 - FLOATFORMAT_CHAR_BIT
;
2408 cur_byte
= (start
+ len
) / FLOATFORMAT_CHAR_BIT
;
2410 ((start
+ len
) % FLOATFORMAT_CHAR_BIT
) - FLOATFORMAT_CHAR_BIT
;
2412 if (cur_bitshift
> -FLOATFORMAT_CHAR_BIT
)
2413 result
= *(data
+ cur_byte
) >> (-cur_bitshift
);
2416 cur_bitshift
+= FLOATFORMAT_CHAR_BIT
;
2417 if (order
== floatformat_little
|| order
== floatformat_littlebyte_bigword
)
2422 /* Move towards the most significant part of the field. */
2423 while (cur_bitshift
< len
)
2425 result
|= (unsigned long)*(data
+ cur_byte
) << cur_bitshift
;
2426 cur_bitshift
+= FLOATFORMAT_CHAR_BIT
;
2427 if (order
== floatformat_little
|| order
== floatformat_littlebyte_bigword
)
2432 if (len
< sizeof(result
) * FLOATFORMAT_CHAR_BIT
)
2433 /* Mask out bits which are not part of the field */
2434 result
&= ((1UL << len
) - 1);
2438 /* Convert from FMT to a DOUBLEST.
2439 FROM is the address of the extended float.
2440 Store the DOUBLEST in *TO. */
2443 floatformat_to_doublest (const struct floatformat
*fmt
, char *from
,
2446 unsigned char *ufrom
= (unsigned char *) from
;
2450 unsigned int mant_bits
, mant_off
;
2452 int special_exponent
; /* It's a NaN, denorm or zero */
2454 /* If the mantissa bits are not contiguous from one end of the
2455 mantissa to the other, we need to make a private copy of the
2456 source bytes that is in the right order since the unpacking
2457 algorithm assumes that the bits are contiguous.
2459 Swap the bytes individually rather than accessing them through
2460 "long *" since we have no guarantee that they start on a long
2461 alignment, and also sizeof(long) for the host could be different
2462 than sizeof(long) for the target. FIXME: Assumes sizeof(long)
2463 for the target is 4. */
2465 if (fmt
->byteorder
== floatformat_littlebyte_bigword
)
2467 static unsigned char *newfrom
;
2468 unsigned char *swapin
, *swapout
;
2471 longswaps
= fmt
->totalsize
/ FLOATFORMAT_CHAR_BIT
;
2474 if (newfrom
== NULL
)
2476 newfrom
= (unsigned char *) xmalloc (fmt
->totalsize
);
2481 while (longswaps
-- > 0)
2483 /* This is ugly, but efficient */
2484 *swapout
++ = swapin
[4];
2485 *swapout
++ = swapin
[5];
2486 *swapout
++ = swapin
[6];
2487 *swapout
++ = swapin
[7];
2488 *swapout
++ = swapin
[0];
2489 *swapout
++ = swapin
[1];
2490 *swapout
++ = swapin
[2];
2491 *swapout
++ = swapin
[3];
2496 exponent
= get_field (ufrom
, fmt
->byteorder
, fmt
->totalsize
,
2497 fmt
->exp_start
, fmt
->exp_len
);
2498 /* Note that if exponent indicates a NaN, we can't really do anything useful
2499 (not knowing if the host has NaN's, or how to build one). So it will
2500 end up as an infinity or something close; that is OK. */
2502 mant_bits_left
= fmt
->man_len
;
2503 mant_off
= fmt
->man_start
;
2506 special_exponent
= exponent
== 0 || exponent
== fmt
->exp_nan
;
2508 /* Don't bias NaNs. Use minimum exponent for denorms. For simplicity,
2509 we don't check for zero as the exponent doesn't matter. */
2510 if (!special_exponent
)
2511 exponent
-= fmt
->exp_bias
;
2512 else if (exponent
== 0)
2513 exponent
= 1 - fmt
->exp_bias
;
2515 /* Build the result algebraically. Might go infinite, underflow, etc;
2518 /* If this format uses a hidden bit, explicitly add it in now. Otherwise,
2519 increment the exponent by one to account for the integer bit. */
2521 if (!special_exponent
)
2523 if (fmt
->intbit
== floatformat_intbit_no
)
2524 dto
= ldexp (1.0, exponent
);
2529 while (mant_bits_left
> 0)
2531 mant_bits
= min (mant_bits_left
, 32);
2533 mant
= get_field (ufrom
, fmt
->byteorder
, fmt
->totalsize
,
2534 mant_off
, mant_bits
);
2536 dto
+= ldexp ((double) mant
, exponent
- mant_bits
);
2537 exponent
-= mant_bits
;
2538 mant_off
+= mant_bits
;
2539 mant_bits_left
-= mant_bits
;
2542 /* Negate it if negative. */
2543 if (get_field (ufrom
, fmt
->byteorder
, fmt
->totalsize
, fmt
->sign_start
, 1))
2548 static void put_field (unsigned char *, enum floatformat_byteorders
,
2550 unsigned int, unsigned int, unsigned long);
2552 /* Set a field which starts at START and is LEN bytes long. DATA and
2553 TOTAL_LEN are the thing we are extracting it from, in byteorder ORDER. */
2555 put_field (unsigned char *data
, enum floatformat_byteorders order
,
2556 unsigned int total_len
, unsigned int start
, unsigned int len
,
2557 unsigned long stuff_to_put
)
2559 unsigned int cur_byte
;
2562 /* Start at the least significant part of the field. */
2563 if (order
== floatformat_little
|| order
== floatformat_littlebyte_bigword
)
2565 int excess
= FLOATFORMAT_CHAR_BIT
- (total_len
% FLOATFORMAT_CHAR_BIT
);
2566 cur_byte
= (total_len
/ FLOATFORMAT_CHAR_BIT
)
2567 - ((start
+ len
+ excess
) / FLOATFORMAT_CHAR_BIT
);
2568 cur_bitshift
= ((start
+ len
+ excess
) % FLOATFORMAT_CHAR_BIT
)
2569 - FLOATFORMAT_CHAR_BIT
;
2573 cur_byte
= (start
+ len
) / FLOATFORMAT_CHAR_BIT
;
2575 ((start
+ len
) % FLOATFORMAT_CHAR_BIT
) - FLOATFORMAT_CHAR_BIT
;
2577 if (cur_bitshift
> -FLOATFORMAT_CHAR_BIT
)
2579 *(data
+ cur_byte
) &=
2580 ~(((1 << ((start
+ len
) % FLOATFORMAT_CHAR_BIT
)) - 1)
2581 << (-cur_bitshift
));
2582 *(data
+ cur_byte
) |=
2583 (stuff_to_put
& ((1 << FLOATFORMAT_CHAR_BIT
) - 1)) << (-cur_bitshift
);
2585 cur_bitshift
+= FLOATFORMAT_CHAR_BIT
;
2586 if (order
== floatformat_little
|| order
== floatformat_littlebyte_bigword
)
2591 /* Move towards the most significant part of the field. */
2592 while (cur_bitshift
< len
)
2594 if (len
- cur_bitshift
< FLOATFORMAT_CHAR_BIT
)
2596 /* This is the last byte. */
2597 *(data
+ cur_byte
) &=
2598 ~((1 << (len
- cur_bitshift
)) - 1);
2599 *(data
+ cur_byte
) |= (stuff_to_put
>> cur_bitshift
);
2602 *(data
+ cur_byte
) = ((stuff_to_put
>> cur_bitshift
)
2603 & ((1 << FLOATFORMAT_CHAR_BIT
) - 1));
2604 cur_bitshift
+= FLOATFORMAT_CHAR_BIT
;
2605 if (order
== floatformat_little
|| order
== floatformat_littlebyte_bigword
)
2612 #ifdef HAVE_LONG_DOUBLE
2613 /* Return the fractional part of VALUE, and put the exponent of VALUE in *EPTR.
2614 The range of the returned value is >= 0.5 and < 1.0. This is equivalent to
2615 frexp, but operates on the long double data type. */
2617 static long double ldfrexp (long double value
, int *eptr
);
2620 ldfrexp (long double value
, int *eptr
)
2625 /* Unfortunately, there are no portable functions for extracting the exponent
2626 of a long double, so we have to do it iteratively by multiplying or dividing
2627 by two until the fraction is between 0.5 and 1.0. */
2635 if (value
>= tmp
) /* Value >= 1.0 */
2636 while (value
>= tmp
)
2641 else if (value
!= 0.0l) /* Value < 1.0 and > 0.0 */
2655 #endif /* HAVE_LONG_DOUBLE */
2658 /* The converse: convert the DOUBLEST *FROM to an extended float
2659 and store where TO points. Neither FROM nor TO have any alignment
2663 floatformat_from_doublest (CONST
struct floatformat
*fmt
, DOUBLEST
*from
,
2669 unsigned int mant_bits
, mant_off
;
2671 unsigned char *uto
= (unsigned char *) to
;
2673 memcpy (&dfrom
, from
, sizeof (dfrom
));
2674 memset (uto
, 0, (fmt
->totalsize
+ FLOATFORMAT_CHAR_BIT
- 1)
2675 / FLOATFORMAT_CHAR_BIT
);
2677 return; /* Result is zero */
2678 if (dfrom
!= dfrom
) /* Result is NaN */
2681 put_field (uto
, fmt
->byteorder
, fmt
->totalsize
, fmt
->exp_start
,
2682 fmt
->exp_len
, fmt
->exp_nan
);
2683 /* Be sure it's not infinity, but NaN value is irrel */
2684 put_field (uto
, fmt
->byteorder
, fmt
->totalsize
, fmt
->man_start
,
2689 /* If negative, set the sign bit. */
2692 put_field (uto
, fmt
->byteorder
, fmt
->totalsize
, fmt
->sign_start
, 1, 1);
2696 if (dfrom
+ dfrom
== dfrom
&& dfrom
!= 0.0) /* Result is Infinity */
2698 /* Infinity exponent is same as NaN's. */
2699 put_field (uto
, fmt
->byteorder
, fmt
->totalsize
, fmt
->exp_start
,
2700 fmt
->exp_len
, fmt
->exp_nan
);
2701 /* Infinity mantissa is all zeroes. */
2702 put_field (uto
, fmt
->byteorder
, fmt
->totalsize
, fmt
->man_start
,
2707 #ifdef HAVE_LONG_DOUBLE
2708 mant
= ldfrexp (dfrom
, &exponent
);
2710 mant
= frexp (dfrom
, &exponent
);
2713 put_field (uto
, fmt
->byteorder
, fmt
->totalsize
, fmt
->exp_start
, fmt
->exp_len
,
2714 exponent
+ fmt
->exp_bias
- 1);
2716 mant_bits_left
= fmt
->man_len
;
2717 mant_off
= fmt
->man_start
;
2718 while (mant_bits_left
> 0)
2720 unsigned long mant_long
;
2721 mant_bits
= mant_bits_left
< 32 ? mant_bits_left
: 32;
2723 mant
*= 4294967296.0;
2724 mant_long
= ((unsigned long) mant
) & 0xffffffffL
;
2727 /* If the integer bit is implicit, then we need to discard it.
2728 If we are discarding a zero, we should be (but are not) creating
2729 a denormalized number which means adjusting the exponent
2731 if (mant_bits_left
== fmt
->man_len
2732 && fmt
->intbit
== floatformat_intbit_no
)
2735 mant_long
&= 0xffffffffL
;
2741 /* The bits we want are in the most significant MANT_BITS bits of
2742 mant_long. Move them to the least significant. */
2743 mant_long
>>= 32 - mant_bits
;
2746 put_field (uto
, fmt
->byteorder
, fmt
->totalsize
,
2747 mant_off
, mant_bits
, mant_long
);
2748 mant_off
+= mant_bits
;
2749 mant_bits_left
-= mant_bits
;
2751 if (fmt
->byteorder
== floatformat_littlebyte_bigword
)
2754 unsigned char *swaplow
= uto
;
2755 unsigned char *swaphigh
= uto
+ 4;
2758 for (count
= 0; count
< 4; count
++)
2761 *swaplow
++ = *swaphigh
;
2767 /* Check if VAL (which is assumed to be a floating point number whose
2768 format is described by FMT) is negative. */
2771 floatformat_is_negative (const struct floatformat
*fmt
, char *val
)
2773 unsigned char *uval
= (unsigned char *) val
;
2775 return get_field (uval
, fmt
->byteorder
, fmt
->totalsize
, fmt
->sign_start
, 1);
2778 /* Check if VAL is "not a number" (NaN) for FMT. */
2781 floatformat_is_nan (const struct floatformat
*fmt
, char *val
)
2783 unsigned char *uval
= (unsigned char *) val
;
2786 unsigned int mant_bits
, mant_off
;
2792 exponent
= get_field (uval
, fmt
->byteorder
, fmt
->totalsize
,
2793 fmt
->exp_start
, fmt
->exp_len
);
2795 if (exponent
!= fmt
->exp_nan
)
2798 mant_bits_left
= fmt
->man_len
;
2799 mant_off
= fmt
->man_start
;
2801 while (mant_bits_left
> 0)
2803 mant_bits
= min (mant_bits_left
, 32);
2805 mant
= get_field (uval
, fmt
->byteorder
, fmt
->totalsize
,
2806 mant_off
, mant_bits
);
2808 /* If there is an explicit integer bit, mask it off. */
2809 if (mant_off
== fmt
->man_start
2810 && fmt
->intbit
== floatformat_intbit_yes
)
2811 mant
&= ~(1 << (mant_bits
- 1));
2816 mant_off
+= mant_bits
;
2817 mant_bits_left
-= mant_bits
;
2823 /* Convert the mantissa of VAL (which is assumed to be a floating
2824 point number whose format is described by FMT) into a hexadecimal
2825 and store it in a static string. Return a pointer to that string. */
2828 floatformat_mantissa (const struct floatformat
*fmt
, char *val
)
2830 unsigned char *uval
= (unsigned char *) val
;
2832 unsigned int mant_bits
, mant_off
;
2834 static char res
[50];
2837 /* Make sure we have enough room to store the mantissa. */
2838 gdb_assert (sizeof res
> ((fmt
->man_len
+ 7) / 8) * 2);
2840 mant_off
= fmt
->man_start
;
2841 mant_bits_left
= fmt
->man_len
;
2842 mant_bits
= (mant_bits_left
% 32) > 0 ? mant_bits_left
% 32 : 32;
2844 mant
= get_field (uval
, fmt
->byteorder
, fmt
->totalsize
,
2845 mant_off
, mant_bits
);
2847 sprintf (res
, "%lx", mant
);
2849 mant_off
+= mant_bits
;
2850 mant_bits_left
-= mant_bits
;
2852 while (mant_bits_left
> 0)
2854 mant
= get_field (uval
, fmt
->byteorder
, fmt
->totalsize
,
2857 sprintf (buf
, "%08lx", mant
);
2861 mant_bits_left
-= 32;
2867 /* print routines to handle variable size regs, etc. */
2869 /* temporary storage using circular buffer */
2875 static char buf
[NUMCELLS
][CELLSIZE
];
2876 static int cell
= 0;
2877 if (++cell
>= NUMCELLS
)
2885 return (TARGET_ADDR_BIT
/ 8 * 2);
2889 paddr (CORE_ADDR addr
)
2891 return phex (addr
, TARGET_ADDR_BIT
/ 8);
2895 paddr_nz (CORE_ADDR addr
)
2897 return phex_nz (addr
, TARGET_ADDR_BIT
/ 8);
2901 decimal2str (char *paddr_str
, char *sign
, ULONGEST addr
)
2903 /* steal code from valprint.c:print_decimal(). Should this worry
2904 about the real size of addr as the above does? */
2905 unsigned long temp
[3];
2909 temp
[i
] = addr
% (1000 * 1000 * 1000);
2910 addr
/= (1000 * 1000 * 1000);
2913 while (addr
!= 0 && i
< (sizeof (temp
) / sizeof (temp
[0])));
2917 sprintf (paddr_str
, "%s%lu",
2921 sprintf (paddr_str
, "%s%lu%09lu",
2922 sign
, temp
[1], temp
[0]);
2925 sprintf (paddr_str
, "%s%lu%09lu%09lu",
2926 sign
, temp
[2], temp
[1], temp
[0]);
2929 internal_error (__FILE__
, __LINE__
, "failed internal consistency check");
2934 paddr_u (CORE_ADDR addr
)
2936 char *paddr_str
= get_cell ();
2937 decimal2str (paddr_str
, "", addr
);
2942 paddr_d (LONGEST addr
)
2944 char *paddr_str
= get_cell ();
2946 decimal2str (paddr_str
, "-", -addr
);
2948 decimal2str (paddr_str
, "", addr
);
2952 /* eliminate warning from compiler on 32-bit systems */
2953 static int thirty_two
= 32;
2956 phex (ULONGEST l
, int sizeof_l
)
2958 char *str
= get_cell ();
2962 sprintf (str
, "%08lx%08lx",
2963 (unsigned long) (l
>> thirty_two
),
2964 (unsigned long) (l
& 0xffffffff));
2967 sprintf (str
, "%08lx", (unsigned long) l
);
2970 sprintf (str
, "%04x", (unsigned short) (l
& 0xffff));
2973 phex (l
, sizeof (l
));
2980 phex_nz (ULONGEST l
, int sizeof_l
)
2982 char *str
= get_cell ();
2987 unsigned long high
= (unsigned long) (l
>> thirty_two
);
2989 sprintf (str
, "%lx", (unsigned long) (l
& 0xffffffff));
2991 sprintf (str
, "%lx%08lx",
2992 high
, (unsigned long) (l
& 0xffffffff));
2996 sprintf (str
, "%lx", (unsigned long) l
);
2999 sprintf (str
, "%x", (unsigned short) (l
& 0xffff));
3002 phex_nz (l
, sizeof (l
));
3009 /* Convert to / from the hosts pointer to GDB's internal CORE_ADDR
3010 using the target's conversion routines. */
3012 host_pointer_to_address (void *ptr
)
3014 if (sizeof (ptr
) != TYPE_LENGTH (builtin_type_ptr
))
3015 internal_error (__FILE__
, __LINE__
,
3016 "core_addr_to_void_ptr: bad cast");
3017 return POINTER_TO_ADDRESS (builtin_type_ptr
, &ptr
);
3021 address_to_host_pointer (CORE_ADDR addr
)
3024 if (sizeof (ptr
) != TYPE_LENGTH (builtin_type_ptr
))
3025 internal_error (__FILE__
, __LINE__
,
3026 "core_addr_to_void_ptr: bad cast");
3027 ADDRESS_TO_POINTER (builtin_type_ptr
, &ptr
, addr
);