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>
60 #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
62 /* readline defines this. */
65 void (*error_begin_hook
) (void);
67 /* Holds the last error message issued by gdb */
69 static struct ui_file
*gdb_lasterr
;
71 /* Prototypes for local functions */
73 static void vfprintf_maybe_filtered (struct ui_file
*, const char *,
76 static void fputs_maybe_filtered (const char *, struct ui_file
*, int);
78 #if defined (USE_MMALLOC) && !defined (NO_MMCHECK)
79 static void malloc_botch (void);
82 static void prompt_for_continue (void);
84 static void set_width_command (char *, int, struct cmd_list_element
*);
86 static void set_width (void);
88 /* Chain of cleanup actions established with make_cleanup,
89 to be executed if an error happens. */
91 static struct cleanup
*cleanup_chain
; /* cleaned up after a failed command */
92 static struct cleanup
*final_cleanup_chain
; /* cleaned up when gdb exits */
93 static struct cleanup
*run_cleanup_chain
; /* cleaned up on each 'run' */
94 static struct cleanup
*exec_cleanup_chain
; /* cleaned up on each execution command */
95 /* cleaned up on each error from within an execution command */
96 static struct cleanup
*exec_error_cleanup_chain
;
98 /* Pointer to what is left to do for an execution command after the
99 target stops. Used only in asynchronous mode, by targets that
100 support async execution. The finish and until commands use it. So
101 does the target extended-remote command. */
102 struct continuation
*cmd_continuation
;
103 struct continuation
*intermediate_continuation
;
105 /* Nonzero if we have job control. */
109 /* Nonzero means a quit has been requested. */
113 /* Nonzero means quit immediately if Control-C is typed now, rather
114 than waiting until QUIT is executed. Be careful in setting this;
115 code which executes with immediate_quit set has to be very careful
116 about being able to deal with being interrupted at any time. It is
117 almost always better to use QUIT; the only exception I can think of
118 is being able to quit out of a system call (using EINTR loses if
119 the SIGINT happens between the previous QUIT and the system call).
120 To immediately quit in the case in which a SIGINT happens between
121 the previous QUIT and setting immediate_quit (desirable anytime we
122 expect to block), call QUIT after setting immediate_quit. */
126 /* Nonzero means that encoded C++ names should be printed out in their
127 C++ form rather than raw. */
131 /* Nonzero means that encoded C++ names should be printed out in their
132 C++ form even in assembler language displays. If this is set, but
133 DEMANGLE is zero, names are printed raw, i.e. DEMANGLE controls. */
135 int asm_demangle
= 0;
137 /* Nonzero means that strings with character values >0x7F should be printed
138 as octal escapes. Zero means just print the value (e.g. it's an
139 international character, and the terminal or window can cope.) */
141 int sevenbit_strings
= 0;
143 /* String to be printed before error messages, if any. */
145 char *error_pre_print
;
147 /* String to be printed before quit messages, if any. */
149 char *quit_pre_print
;
151 /* String to be printed before warning messages, if any. */
153 char *warning_pre_print
= "\nwarning: ";
155 int pagination_enabled
= 1;
158 /* Add a new cleanup to the cleanup_chain,
159 and return the previous chain pointer
160 to be passed later to do_cleanups or discard_cleanups.
161 Args are FUNCTION to clean up with, and ARG to pass to it. */
164 make_cleanup (make_cleanup_ftype
*function
, void *arg
)
166 return make_my_cleanup (&cleanup_chain
, function
, arg
);
170 make_final_cleanup (make_cleanup_ftype
*function
, void *arg
)
172 return make_my_cleanup (&final_cleanup_chain
, function
, arg
);
176 make_run_cleanup (make_cleanup_ftype
*function
, void *arg
)
178 return make_my_cleanup (&run_cleanup_chain
, function
, arg
);
182 make_exec_cleanup (make_cleanup_ftype
*function
, void *arg
)
184 return make_my_cleanup (&exec_cleanup_chain
, function
, arg
);
188 make_exec_error_cleanup (make_cleanup_ftype
*function
, void *arg
)
190 return make_my_cleanup (&exec_error_cleanup_chain
, function
, arg
);
194 do_freeargv (void *arg
)
196 freeargv ((char **) arg
);
200 make_cleanup_freeargv (char **arg
)
202 return make_my_cleanup (&cleanup_chain
, do_freeargv
, arg
);
206 do_bfd_close_cleanup (void *arg
)
212 make_cleanup_bfd_close (bfd
*abfd
)
214 return make_cleanup (do_bfd_close_cleanup
, abfd
);
218 do_close_cleanup (void *arg
)
226 make_cleanup_close (int fd
)
228 int *saved_fd
= xmalloc (sizeof (fd
));
230 return make_cleanup (do_close_cleanup
, saved_fd
);
234 do_ui_file_delete (void *arg
)
236 ui_file_delete (arg
);
240 make_cleanup_ui_file_delete (struct ui_file
*arg
)
242 return make_my_cleanup (&cleanup_chain
, do_ui_file_delete
, arg
);
246 make_my_cleanup (struct cleanup
**pmy_chain
, make_cleanup_ftype
*function
,
249 register struct cleanup
*new
250 = (struct cleanup
*) xmalloc (sizeof (struct cleanup
));
251 register struct cleanup
*old_chain
= *pmy_chain
;
253 new->next
= *pmy_chain
;
254 new->function
= function
;
261 /* Discard cleanups and do the actions they describe
262 until we get back to the point OLD_CHAIN in the cleanup_chain. */
265 do_cleanups (register struct cleanup
*old_chain
)
267 do_my_cleanups (&cleanup_chain
, old_chain
);
271 do_final_cleanups (register struct cleanup
*old_chain
)
273 do_my_cleanups (&final_cleanup_chain
, old_chain
);
277 do_run_cleanups (register struct cleanup
*old_chain
)
279 do_my_cleanups (&run_cleanup_chain
, old_chain
);
283 do_exec_cleanups (register struct cleanup
*old_chain
)
285 do_my_cleanups (&exec_cleanup_chain
, old_chain
);
289 do_exec_error_cleanups (register struct cleanup
*old_chain
)
291 do_my_cleanups (&exec_error_cleanup_chain
, old_chain
);
295 do_my_cleanups (register struct cleanup
**pmy_chain
,
296 register struct cleanup
*old_chain
)
298 register struct cleanup
*ptr
;
299 while ((ptr
= *pmy_chain
) != old_chain
)
301 *pmy_chain
= ptr
->next
; /* Do this first incase recursion */
302 (*ptr
->function
) (ptr
->arg
);
307 /* Discard cleanups, not doing the actions they describe,
308 until we get back to the point OLD_CHAIN in the cleanup_chain. */
311 discard_cleanups (register struct cleanup
*old_chain
)
313 discard_my_cleanups (&cleanup_chain
, old_chain
);
317 discard_final_cleanups (register struct cleanup
*old_chain
)
319 discard_my_cleanups (&final_cleanup_chain
, old_chain
);
323 discard_exec_error_cleanups (register struct cleanup
*old_chain
)
325 discard_my_cleanups (&exec_error_cleanup_chain
, old_chain
);
329 discard_my_cleanups (register struct cleanup
**pmy_chain
,
330 register struct cleanup
*old_chain
)
332 register struct cleanup
*ptr
;
333 while ((ptr
= *pmy_chain
) != old_chain
)
335 *pmy_chain
= ptr
->next
;
340 /* Set the cleanup_chain to 0, and return the old cleanup chain. */
344 return save_my_cleanups (&cleanup_chain
);
348 save_final_cleanups (void)
350 return save_my_cleanups (&final_cleanup_chain
);
354 save_my_cleanups (struct cleanup
**pmy_chain
)
356 struct cleanup
*old_chain
= *pmy_chain
;
362 /* Restore the cleanup chain from a previously saved chain. */
364 restore_cleanups (struct cleanup
*chain
)
366 restore_my_cleanups (&cleanup_chain
, chain
);
370 restore_final_cleanups (struct cleanup
*chain
)
372 restore_my_cleanups (&final_cleanup_chain
, chain
);
376 restore_my_cleanups (struct cleanup
**pmy_chain
, struct cleanup
*chain
)
381 /* This function is useful for cleanups.
385 old_chain = make_cleanup (free_current_contents, &foo);
387 to arrange to free the object thus allocated. */
390 free_current_contents (void *ptr
)
392 void **location
= ptr
;
393 if (location
== NULL
)
394 internal_error (__FILE__
, __LINE__
,
395 "free_current_contents: NULL pointer");
396 if (*location
!= NULL
)
403 /* Provide a known function that does nothing, to use as a base for
404 for a possibly long chain of cleanups. This is useful where we
405 use the cleanup chain for handling normal cleanups as well as dealing
406 with cleanups that need to be done as a result of a call to error().
407 In such cases, we may not be certain where the first cleanup is, unless
408 we have a do-nothing one to always use as the base. */
412 null_cleanup (void *arg
)
416 /* Add a continuation to the continuation list, the global list
417 cmd_continuation. The new continuation will be added at the front.*/
419 add_continuation (void (*continuation_hook
) (struct continuation_arg
*),
420 struct continuation_arg
*arg_list
)
422 struct continuation
*continuation_ptr
;
424 continuation_ptr
= (struct continuation
*) xmalloc (sizeof (struct continuation
));
425 continuation_ptr
->continuation_hook
= continuation_hook
;
426 continuation_ptr
->arg_list
= arg_list
;
427 continuation_ptr
->next
= cmd_continuation
;
428 cmd_continuation
= continuation_ptr
;
431 /* Walk down the cmd_continuation list, and execute all the
432 continuations. There is a problem though. In some cases new
433 continuations may be added while we are in the middle of this
434 loop. If this happens they will be added in the front, and done
435 before we have a chance of exhausting those that were already
436 there. We need to then save the beginning of the list in a pointer
437 and do the continuations from there on, instead of using the
438 global beginning of list as our iteration pointer.*/
440 do_all_continuations (void)
442 struct continuation
*continuation_ptr
;
443 struct continuation
*saved_continuation
;
445 /* Copy the list header into another pointer, and set the global
446 list header to null, so that the global list can change as a side
447 effect of invoking the continuations and the processing of
448 the preexisting continuations will not be affected. */
449 continuation_ptr
= cmd_continuation
;
450 cmd_continuation
= NULL
;
452 /* Work now on the list we have set aside. */
453 while (continuation_ptr
)
455 (continuation_ptr
->continuation_hook
) (continuation_ptr
->arg_list
);
456 saved_continuation
= continuation_ptr
;
457 continuation_ptr
= continuation_ptr
->next
;
458 xfree (saved_continuation
);
462 /* Walk down the cmd_continuation list, and get rid of all the
465 discard_all_continuations (void)
467 struct continuation
*continuation_ptr
;
469 while (cmd_continuation
)
471 continuation_ptr
= cmd_continuation
;
472 cmd_continuation
= continuation_ptr
->next
;
473 xfree (continuation_ptr
);
477 /* Add a continuation to the continuation list, the global list
478 intermediate_continuation. The new continuation will be added at the front.*/
480 add_intermediate_continuation (void (*continuation_hook
)
481 (struct continuation_arg
*),
482 struct continuation_arg
*arg_list
)
484 struct continuation
*continuation_ptr
;
486 continuation_ptr
= (struct continuation
*) xmalloc (sizeof (struct continuation
));
487 continuation_ptr
->continuation_hook
= continuation_hook
;
488 continuation_ptr
->arg_list
= arg_list
;
489 continuation_ptr
->next
= intermediate_continuation
;
490 intermediate_continuation
= continuation_ptr
;
493 /* Walk down the cmd_continuation list, and execute all the
494 continuations. There is a problem though. In some cases new
495 continuations may be added while we are in the middle of this
496 loop. If this happens they will be added in the front, and done
497 before we have a chance of exhausting those that were already
498 there. We need to then save the beginning of the list in a pointer
499 and do the continuations from there on, instead of using the
500 global beginning of list as our iteration pointer.*/
502 do_all_intermediate_continuations (void)
504 struct continuation
*continuation_ptr
;
505 struct continuation
*saved_continuation
;
507 /* Copy the list header into another pointer, and set the global
508 list header to null, so that the global list can change as a side
509 effect of invoking the continuations and the processing of
510 the preexisting continuations will not be affected. */
511 continuation_ptr
= intermediate_continuation
;
512 intermediate_continuation
= NULL
;
514 /* Work now on the list we have set aside. */
515 while (continuation_ptr
)
517 (continuation_ptr
->continuation_hook
) (continuation_ptr
->arg_list
);
518 saved_continuation
= continuation_ptr
;
519 continuation_ptr
= continuation_ptr
->next
;
520 xfree (saved_continuation
);
524 /* Walk down the cmd_continuation list, and get rid of all the
527 discard_all_intermediate_continuations (void)
529 struct continuation
*continuation_ptr
;
531 while (intermediate_continuation
)
533 continuation_ptr
= intermediate_continuation
;
534 intermediate_continuation
= continuation_ptr
->next
;
535 xfree (continuation_ptr
);
541 /* Print a warning message. Way to use this is to call warning_begin,
542 output the warning message (use unfiltered output to gdb_stderr),
543 ending in a newline. There is not currently a warning_end that you
544 call afterwards, but such a thing might be added if it is useful
545 for a GUI to separate warning messages from other output.
547 FIXME: Why do warnings use unfiltered output and errors filtered?
548 Is this anything other than a historical accident? */
553 target_terminal_ours ();
554 wrap_here (""); /* Force out any buffered output */
555 gdb_flush (gdb_stdout
);
556 if (warning_pre_print
)
557 fprintf_unfiltered (gdb_stderr
, warning_pre_print
);
560 /* Print a warning message.
561 The first argument STRING is the warning message, used as a fprintf string,
562 and the remaining args are passed as arguments to it.
563 The primary difference between warnings and errors is that a warning
564 does not force the return to command level. */
567 warning (const char *string
,...)
570 va_start (args
, string
);
572 (*warning_hook
) (string
, args
);
576 vfprintf_unfiltered (gdb_stderr
, string
, args
);
577 fprintf_unfiltered (gdb_stderr
, "\n");
582 /* Start the printing of an error message. Way to use this is to call
583 this, output the error message (use filtered output to gdb_stderr
584 (FIXME: Some callers, like memory_error, use gdb_stdout)), ending
585 in a newline, and then call return_to_top_level (RETURN_ERROR).
586 error() provides a convenient way to do this for the special case
587 that the error message can be formatted with a single printf call,
588 but this is more general. */
592 if (error_begin_hook
)
595 target_terminal_ours ();
596 wrap_here (""); /* Force out any buffered output */
597 gdb_flush (gdb_stdout
);
599 annotate_error_begin ();
602 fprintf_filtered (gdb_stderr
, error_pre_print
);
605 /* Print an error message and return to command level.
606 The first argument STRING is the error message, used as a fprintf string,
607 and the remaining args are passed as arguments to it. */
610 verror (const char *string
, va_list args
)
613 struct cleanup
*err_string_cleanup
;
614 /* FIXME: cagney/1999-11-10: All error calls should come here.
615 Unfortunately some code uses the sequence: error_begin(); print
616 error message; return_to_top_level. That code should be
619 /* NOTE: It's tempting to just do the following...
620 vfprintf_filtered (gdb_stderr, string, args);
621 and then follow with a similar looking statement to cause the message
622 to also go to gdb_lasterr. But if we do this, we'll be traversing the
623 va_list twice which works on some platforms and fails miserably on
625 /* Save it as the last error */
626 ui_file_rewind (gdb_lasterr
);
627 vfprintf_filtered (gdb_lasterr
, string
, args
);
628 /* Retrieve the last error and print it to gdb_stderr */
629 err_string
= error_last_message ();
630 err_string_cleanup
= make_cleanup (xfree
, err_string
);
631 fputs_filtered (err_string
, gdb_stderr
);
632 fprintf_filtered (gdb_stderr
, "\n");
633 do_cleanups (err_string_cleanup
);
634 return_to_top_level (RETURN_ERROR
);
638 error (const char *string
,...)
641 va_start (args
, string
);
642 verror (string
, args
);
647 error_stream (struct ui_file
*stream
)
650 char *msg
= ui_file_xstrdup (stream
, &size
);
651 make_cleanup (xfree
, msg
);
655 /* Get the last error message issued by gdb */
658 error_last_message (void)
661 return ui_file_xstrdup (gdb_lasterr
, &len
);
664 /* This is to be called by main() at the very beginning */
669 gdb_lasterr
= mem_fileopen ();
672 /* Print a message reporting an internal error. Ask the user if they
673 want to continue, dump core, or just exit. */
676 internal_verror (const char *file
, int line
,
677 const char *fmt
, va_list ap
)
679 static char msg
[] = "Internal GDB error: recursive internal error.\n";
680 static int dejavu
= 0;
684 /* don't allow infinite error recursion. */
692 fputs_unfiltered (msg
, gdb_stderr
);
693 internal_error (__FILE__
, __LINE__
, "failed internal consistency check");
696 write (STDERR_FILENO
, msg
, sizeof (msg
));
700 /* Try to get the message out */
701 target_terminal_ours ();
702 fprintf_unfiltered (gdb_stderr
, "%s:%d: gdb-internal-error: ", file
, line
);
703 vfprintf_unfiltered (gdb_stderr
, fmt
, ap
);
704 fputs_unfiltered ("\n", gdb_stderr
);
706 /* Default (no case) is to quit GDB. When in batch mode this
707 lessens the likelhood of GDB going into an infinate loop. */
708 continue_p
= query ("\
709 An internal GDB error was detected. This may make further\n\
710 debugging unreliable. Continue this debugging session? ");
712 /* Default (no case) is to not dump core. Lessen the chance of GDB
713 leaving random core files around. */
714 dump_core_p
= query ("\
715 Create a core file containing the current state of GDB? ");
722 internal_error (__FILE__
, __LINE__
, "failed internal consistency check");
728 internal_error (__FILE__
, __LINE__
, "failed internal consistency check");
734 return_to_top_level (RETURN_ERROR
);
738 internal_error (const char *file
, int line
, const char *string
, ...)
741 va_start (ap
, string
);
743 internal_verror (file
, line
, string
, ap
);
747 /* The strerror() function can return NULL for errno values that are
748 out of range. Provide a "safe" version that always returns a
752 safe_strerror (int errnum
)
757 if ((msg
= strerror (errnum
)) == NULL
)
759 sprintf (buf
, "(undocumented errno %d)", errnum
);
765 /* Print the system error message for errno, and also mention STRING
766 as the file name for which the error was encountered.
767 Then return to command level. */
770 perror_with_name (char *string
)
775 err
= safe_strerror (errno
);
776 combined
= (char *) alloca (strlen (err
) + strlen (string
) + 3);
777 strcpy (combined
, string
);
778 strcat (combined
, ": ");
779 strcat (combined
, err
);
781 /* I understand setting these is a matter of taste. Still, some people
782 may clear errno but not know about bfd_error. Doing this here is not
784 bfd_set_error (bfd_error_no_error
);
787 error ("%s.", combined
);
790 /* Print the system error message for ERRCODE, and also mention STRING
791 as the file name for which the error was encountered. */
794 print_sys_errmsg (char *string
, int errcode
)
799 err
= safe_strerror (errcode
);
800 combined
= (char *) alloca (strlen (err
) + strlen (string
) + 3);
801 strcpy (combined
, string
);
802 strcat (combined
, ": ");
803 strcat (combined
, err
);
805 /* We want anything which was printed on stdout to come out first, before
807 gdb_flush (gdb_stdout
);
808 fprintf_unfiltered (gdb_stderr
, "%s.\n", combined
);
811 /* Control C eventually causes this to be called, at a convenient time. */
816 serial_t gdb_stdout_serial
= serial_fdopen (1);
818 target_terminal_ours ();
820 /* We want all output to appear now, before we print "Quit". We
821 have 3 levels of buffering we have to flush (it's possible that
822 some of these should be changed to flush the lower-level ones
825 /* 1. The _filtered buffer. */
826 wrap_here ((char *) 0);
828 /* 2. The stdio buffer. */
829 gdb_flush (gdb_stdout
);
830 gdb_flush (gdb_stderr
);
832 /* 3. The system-level buffer. */
833 SERIAL_DRAIN_OUTPUT (gdb_stdout_serial
);
834 SERIAL_UN_FDOPEN (gdb_stdout_serial
);
836 annotate_error_begin ();
838 /* Don't use *_filtered; we don't want to prompt the user to continue. */
840 fprintf_unfiltered (gdb_stderr
, quit_pre_print
);
843 /* No steenking SIGINT will ever be coming our way when the
844 program is resumed. Don't lie. */
845 fprintf_unfiltered (gdb_stderr
, "Quit\n");
848 /* If there is no terminal switching for this target, then we can't
849 possibly get screwed by the lack of job control. */
850 || current_target
.to_terminal_ours
== NULL
)
851 fprintf_unfiltered (gdb_stderr
, "Quit\n");
853 fprintf_unfiltered (gdb_stderr
,
854 "Quit (expect signal SIGINT when the program is resumed)\n");
856 return_to_top_level (RETURN_QUIT
);
860 #if defined(_MSC_VER) /* should test for wingdb instead? */
863 * Windows translates all keyboard and mouse events
864 * into a message which is appended to the message
865 * queue for the process.
871 int k
= win32pollquit ();
878 #else /* !defined(_MSC_VER) */
883 /* Done by signals */
886 #endif /* !defined(_MSC_VER) */
888 /* Control C comes here */
890 request_quit (int signo
)
893 /* Restore the signal handler. Harmless with BSD-style signals, needed
894 for System V-style signals. So just always do it, rather than worrying
895 about USG defines and stuff like that. */
896 signal (signo
, request_quit
);
906 /* Memory management stuff (malloc friends). */
908 /* Make a substitute size_t for non-ANSI compilers. */
910 #ifndef HAVE_STDDEF_H
912 #define size_t unsigned int
916 #if !defined (USE_MMALLOC)
919 mcalloc (PTR md
, size_t number
, size_t size
)
921 return calloc (number
, size
);
925 mmalloc (PTR md
, size_t size
)
927 return malloc (size
);
931 mrealloc (PTR md
, PTR ptr
, size_t size
)
933 if (ptr
== 0) /* Guard against old realloc's */
934 return malloc (size
);
936 return realloc (ptr
, size
);
940 mfree (PTR md
, PTR ptr
)
945 #endif /* USE_MMALLOC */
947 #if !defined (USE_MMALLOC) || defined (NO_MMCHECK)
950 init_malloc (void *md
)
954 #else /* Have mmalloc and want corruption checking */
959 fprintf_unfiltered (gdb_stderr
, "Memory corruption\n");
960 internal_error (__FILE__
, __LINE__
, "failed internal consistency check");
963 /* Attempt to install hooks in mmalloc/mrealloc/mfree for the heap specified
964 by MD, to detect memory corruption. Note that MD may be NULL to specify
965 the default heap that grows via sbrk.
967 Note that for freshly created regions, we must call mmcheckf prior to any
968 mallocs in the region. Otherwise, any region which was allocated prior to
969 installing the checking hooks, which is later reallocated or freed, will
970 fail the checks! The mmcheck function only allows initial hooks to be
971 installed before the first mmalloc. However, anytime after we have called
972 mmcheck the first time to install the checking hooks, we can call it again
973 to update the function pointer to the memory corruption handler.
975 Returns zero on failure, non-zero on success. */
977 #ifndef MMCHECK_FORCE
978 #define MMCHECK_FORCE 0
982 init_malloc (void *md
)
984 if (!mmcheckf (md
, malloc_botch
, MMCHECK_FORCE
))
986 /* Don't use warning(), which relies on current_target being set
987 to something other than dummy_target, until after
988 initialize_all_files(). */
991 (gdb_stderr
, "warning: failed to install memory consistency checks; ");
993 (gdb_stderr
, "configuration should define NO_MMCHECK or MMCHECK_FORCE\n");
999 #endif /* Have mmalloc and want corruption checking */
1001 /* Called when a memory allocation fails, with the number of bytes of
1002 memory requested in SIZE. */
1009 internal_error (__FILE__
, __LINE__
,
1010 "virtual memory exhausted: can't allocate %ld bytes.", size
);
1014 internal_error (__FILE__
, __LINE__
,
1015 "virtual memory exhausted.");
1019 /* Like mmalloc but get error if no storage available, and protect against
1020 the caller wanting to allocate zero bytes. Whether to return NULL for
1021 a zero byte request, or translate the request into a request for one
1022 byte of zero'd storage, is a religious issue. */
1025 xmmalloc (PTR md
, long size
)
1033 else if ((val
= mmalloc (md
, size
)) == NULL
)
1040 /* Like mrealloc but get error if no storage available. */
1043 xmrealloc (PTR md
, PTR ptr
, long size
)
1057 val
= mrealloc (md
, ptr
, size
);
1061 val
= mmalloc (md
, size
);
1071 /* Like malloc but get error if no storage available, and protect against
1072 the caller wanting to allocate zero bytes. */
1075 xmalloc (size_t size
)
1077 return (xmmalloc ((PTR
) NULL
, size
));
1080 /* Like calloc but get error if no storage available */
1083 xcalloc (size_t number
, size_t size
)
1087 if (number
== 0 || size
== 0)
1091 mem
= mcalloc (NULL
, number
, size
);
1093 nomem (number
* size
);
1098 /* Like mrealloc but get error if no storage available. */
1101 xrealloc (PTR ptr
, size_t size
)
1103 return (xmrealloc ((PTR
) NULL
, ptr
, size
));
1106 /* Free up space allocated by one of xmalloc(), xcalloc(), or
1117 /* Like asprintf/vasprintf but get an internal_error if the call
1121 xasprintf (char **ret
, const char *format
, ...)
1124 va_start (args
, format
);
1125 xvasprintf (ret
, format
, args
);
1130 xvasprintf (char **ret
, const char *format
, va_list ap
)
1132 int status
= vasprintf (ret
, format
, ap
);
1133 /* NULL could be returned due to a memory allocation problem; a
1134 badly format string; or something else. */
1136 internal_error (__FILE__
, __LINE__
,
1137 "vasprintf returned NULL buffer (errno %d)",
1139 /* A negative status with a non-NULL buffer shouldn't never
1140 happen. But to be sure. */
1142 internal_error (__FILE__
, __LINE__
,
1143 "vasprintf call failed (errno %d)",
1148 /* My replacement for the read system call.
1149 Used like `read' but keeps going if `read' returns too soon. */
1152 myread (int desc
, char *addr
, int len
)
1159 val
= read (desc
, addr
, len
);
1163 return orglen
- len
;
1170 /* Make a copy of the string at PTR with SIZE characters
1171 (and add a null character at the end in the copy).
1172 Uses malloc to get the space. Returns the address of the copy. */
1175 savestring (const char *ptr
, size_t size
)
1177 register char *p
= (char *) xmalloc (size
+ 1);
1178 memcpy (p
, ptr
, size
);
1184 msavestring (void *md
, const char *ptr
, size_t size
)
1186 register char *p
= (char *) xmmalloc (md
, size
+ 1);
1187 memcpy (p
, ptr
, size
);
1193 mstrsave (void *md
, const char *ptr
)
1195 return (msavestring (md
, ptr
, strlen (ptr
)));
1199 print_spaces (register int n
, register struct ui_file
*file
)
1201 fputs_unfiltered (n_spaces (n
), file
);
1204 /* Print a host address. */
1207 gdb_print_host_address (void *addr
, struct ui_file
*stream
)
1210 /* We could use the %p conversion specifier to fprintf if we had any
1211 way of knowing whether this host supports it. But the following
1212 should work on the Alpha and on 32 bit machines. */
1214 fprintf_filtered (stream
, "0x%lx", (unsigned long) addr
);
1217 /* Ask user a y-or-n question and return 1 iff answer is yes.
1218 Takes three args which are given to printf to print the question.
1219 The first, a control string, should end in "? ".
1220 It should not say how to answer, because we do that. */
1224 query (char *ctlstr
,...)
1227 register int answer
;
1231 va_start (args
, ctlstr
);
1235 return query_hook (ctlstr
, args
);
1238 /* Automatically answer "yes" if input is not from a terminal. */
1239 if (!input_from_terminal_p ())
1242 /* FIXME Automatically answer "yes" if called from MacGDB. */
1249 wrap_here (""); /* Flush any buffered output */
1250 gdb_flush (gdb_stdout
);
1252 if (annotation_level
> 1)
1253 printf_filtered ("\n\032\032pre-query\n");
1255 vfprintf_filtered (gdb_stdout
, ctlstr
, args
);
1256 printf_filtered ("(y or n) ");
1258 if (annotation_level
> 1)
1259 printf_filtered ("\n\032\032query\n");
1262 /* If not in MacGDB, move to a new line so the entered line doesn't
1263 have a prompt on the front of it. */
1265 fputs_unfiltered ("\n", gdb_stdout
);
1269 gdb_flush (gdb_stdout
);
1272 if (!tui_version
|| cmdWin
== tuiWinWithFocus ())
1274 answer
= fgetc (stdin
);
1277 answer
= (unsigned char) tuiBufferGetc ();
1280 clearerr (stdin
); /* in case of C-d */
1281 if (answer
== EOF
) /* C-d */
1286 /* Eat rest of input line, to EOF or newline */
1287 if ((answer
!= '\n') || (tui_version
&& answer
!= '\r'))
1291 if (!tui_version
|| cmdWin
== tuiWinWithFocus ())
1293 ans2
= fgetc (stdin
);
1296 ans2
= (unsigned char) tuiBufferGetc ();
1300 while (ans2
!= EOF
&& ans2
!= '\n' && ans2
!= '\r');
1301 TUIDO (((TuiOpaqueFuncPtr
) tui_vStartNewLines
, 1));
1315 printf_filtered ("Please answer y or n.\n");
1318 if (annotation_level
> 1)
1319 printf_filtered ("\n\032\032post-query\n");
1324 /* Parse a C escape sequence. STRING_PTR points to a variable
1325 containing a pointer to the string to parse. That pointer
1326 should point to the character after the \. That pointer
1327 is updated past the characters we use. The value of the
1328 escape sequence is returned.
1330 A negative value means the sequence \ newline was seen,
1331 which is supposed to be equivalent to nothing at all.
1333 If \ is followed by a null character, we return a negative
1334 value and leave the string pointer pointing at the null character.
1336 If \ is followed by 000, we return 0 and leave the string pointer
1337 after the zeros. A value of 0 does not mean end of string. */
1340 parse_escape (char **string_ptr
)
1342 register int c
= *(*string_ptr
)++;
1346 return 007; /* Bell (alert) char */
1349 case 'e': /* Escape character */
1367 c
= *(*string_ptr
)++;
1369 c
= parse_escape (string_ptr
);
1372 return (c
& 0200) | (c
& 037);
1383 register int i
= c
- '0';
1384 register int count
= 0;
1387 if ((c
= *(*string_ptr
)++) >= '0' && c
<= '7')
1405 /* Print the character C on STREAM as part of the contents of a literal
1406 string whose delimiter is QUOTER. Note that this routine should only
1407 be call for printing things which are independent of the language
1408 of the program being debugged. */
1411 printchar (int c
, void (*do_fputs
) (const char *, struct ui_file
*),
1412 void (*do_fprintf
) (struct ui_file
*, const char *, ...),
1413 struct ui_file
*stream
, int quoter
)
1416 c
&= 0xFF; /* Avoid sign bit follies */
1418 if (c
< 0x20 || /* Low control chars */
1419 (c
>= 0x7F && c
< 0xA0) || /* DEL, High controls */
1420 (sevenbit_strings
&& c
>= 0x80))
1421 { /* high order bit set */
1425 do_fputs ("\\n", stream
);
1428 do_fputs ("\\b", stream
);
1431 do_fputs ("\\t", stream
);
1434 do_fputs ("\\f", stream
);
1437 do_fputs ("\\r", stream
);
1440 do_fputs ("\\e", stream
);
1443 do_fputs ("\\a", stream
);
1446 do_fprintf (stream
, "\\%.3o", (unsigned int) c
);
1452 if (c
== '\\' || c
== quoter
)
1453 do_fputs ("\\", stream
);
1454 do_fprintf (stream
, "%c", c
);
1458 /* Print the character C on STREAM as part of the contents of a
1459 literal string whose delimiter is QUOTER. Note that these routines
1460 should only be call for printing things which are independent of
1461 the language of the program being debugged. */
1464 fputstr_filtered (const char *str
, int quoter
, struct ui_file
*stream
)
1467 printchar (*str
++, fputs_filtered
, fprintf_filtered
, stream
, quoter
);
1471 fputstr_unfiltered (const char *str
, int quoter
, struct ui_file
*stream
)
1474 printchar (*str
++, fputs_unfiltered
, fprintf_unfiltered
, stream
, quoter
);
1478 fputstrn_unfiltered (const char *str
, int n
, int quoter
, struct ui_file
*stream
)
1481 for (i
= 0; i
< n
; i
++)
1482 printchar (str
[i
], fputs_unfiltered
, fprintf_unfiltered
, stream
, quoter
);
1487 /* Number of lines per page or UINT_MAX if paging is disabled. */
1488 static unsigned int lines_per_page
;
1489 /* Number of chars per line or UINT_MAX if line folding is disabled. */
1490 static unsigned int chars_per_line
;
1491 /* Current count of lines printed on this page, chars on this line. */
1492 static unsigned int lines_printed
, chars_printed
;
1494 /* Buffer and start column of buffered text, for doing smarter word-
1495 wrapping. When someone calls wrap_here(), we start buffering output
1496 that comes through fputs_filtered(). If we see a newline, we just
1497 spit it out and forget about the wrap_here(). If we see another
1498 wrap_here(), we spit it out and remember the newer one. If we see
1499 the end of the line, we spit out a newline, the indent, and then
1500 the buffered output. */
1502 /* Malloc'd buffer with chars_per_line+2 bytes. Contains characters which
1503 are waiting to be output (they have already been counted in chars_printed).
1504 When wrap_buffer[0] is null, the buffer is empty. */
1505 static char *wrap_buffer
;
1507 /* Pointer in wrap_buffer to the next character to fill. */
1508 static char *wrap_pointer
;
1510 /* String to indent by if the wrap occurs. Must not be NULL if wrap_column
1512 static char *wrap_indent
;
1514 /* Column number on the screen where wrap_buffer begins, or 0 if wrapping
1515 is not in effect. */
1516 static int wrap_column
;
1519 /* Inialize the lines and chars per page */
1521 init_page_info (void)
1524 if (tui_version
&& m_winPtrNotNull (cmdWin
))
1526 lines_per_page
= cmdWin
->generic
.height
;
1527 chars_per_line
= cmdWin
->generic
.width
;
1532 /* These defaults will be used if we are unable to get the correct
1533 values from termcap. */
1534 #if defined(__GO32__)
1535 lines_per_page
= ScreenRows ();
1536 chars_per_line
= ScreenCols ();
1538 lines_per_page
= 24;
1539 chars_per_line
= 80;
1541 #if !defined (MPW) && !defined (_WIN32)
1542 /* No termcap under MPW, although might be cool to do something
1543 by looking at worksheet or console window sizes. */
1544 /* Initialize the screen height and width from termcap. */
1546 char *termtype
= getenv ("TERM");
1548 /* Positive means success, nonpositive means failure. */
1551 /* 2048 is large enough for all known terminals, according to the
1552 GNU termcap manual. */
1553 char term_buffer
[2048];
1557 status
= tgetent (term_buffer
, termtype
);
1561 int running_in_emacs
= getenv ("EMACS") != NULL
;
1563 val
= tgetnum ("li");
1564 if (val
>= 0 && !running_in_emacs
)
1565 lines_per_page
= val
;
1567 /* The number of lines per page is not mentioned
1568 in the terminal description. This probably means
1569 that paging is not useful (e.g. emacs shell window),
1570 so disable paging. */
1571 lines_per_page
= UINT_MAX
;
1573 val
= tgetnum ("co");
1575 chars_per_line
= val
;
1581 #if defined(SIGWINCH) && defined(SIGWINCH_HANDLER)
1583 /* If there is a better way to determine the window size, use it. */
1584 SIGWINCH_HANDLER (SIGWINCH
);
1587 /* If the output is not a terminal, don't paginate it. */
1588 if (!ui_file_isatty (gdb_stdout
))
1589 lines_per_page
= UINT_MAX
;
1590 } /* the command_line_version */
1597 if (chars_per_line
== 0)
1602 wrap_buffer
= (char *) xmalloc (chars_per_line
+ 2);
1603 wrap_buffer
[0] = '\0';
1606 wrap_buffer
= (char *) xrealloc (wrap_buffer
, chars_per_line
+ 2);
1607 wrap_pointer
= wrap_buffer
; /* Start it at the beginning */
1612 set_width_command (char *args
, int from_tty
, struct cmd_list_element
*c
)
1617 /* Wait, so the user can read what's on the screen. Prompt the user
1618 to continue by pressing RETURN. */
1621 prompt_for_continue (void)
1624 char cont_prompt
[120];
1626 if (annotation_level
> 1)
1627 printf_unfiltered ("\n\032\032pre-prompt-for-continue\n");
1629 strcpy (cont_prompt
,
1630 "---Type <return> to continue, or q <return> to quit---");
1631 if (annotation_level
> 1)
1632 strcat (cont_prompt
, "\n\032\032prompt-for-continue\n");
1634 /* We must do this *before* we call gdb_readline, else it will eventually
1635 call us -- thinking that we're trying to print beyond the end of the
1637 reinitialize_more_filter ();
1640 /* On a real operating system, the user can quit with SIGINT.
1643 'q' is provided on all systems so users don't have to change habits
1644 from system to system, and because telling them what to do in
1645 the prompt is more user-friendly than expecting them to think of
1647 /* Call readline, not gdb_readline, because GO32 readline handles control-C
1648 whereas control-C to gdb_readline will cause the user to get dumped
1650 ignore
= readline (cont_prompt
);
1652 if (annotation_level
> 1)
1653 printf_unfiltered ("\n\032\032post-prompt-for-continue\n");
1658 while (*p
== ' ' || *p
== '\t')
1663 request_quit (SIGINT
);
1665 async_request_quit (0);
1671 /* Now we have to do this again, so that GDB will know that it doesn't
1672 need to save the ---Type <return>--- line at the top of the screen. */
1673 reinitialize_more_filter ();
1675 dont_repeat (); /* Forget prev cmd -- CR won't repeat it. */
1678 /* Reinitialize filter; ie. tell it to reset to original values. */
1681 reinitialize_more_filter (void)
1687 /* Indicate that if the next sequence of characters overflows the line,
1688 a newline should be inserted here rather than when it hits the end.
1689 If INDENT is non-null, it is a string to be printed to indent the
1690 wrapped part on the next line. INDENT must remain accessible until
1691 the next call to wrap_here() or until a newline is printed through
1694 If the line is already overfull, we immediately print a newline and
1695 the indentation, and disable further wrapping.
1697 If we don't know the width of lines, but we know the page height,
1698 we must not wrap words, but should still keep track of newlines
1699 that were explicitly printed.
1701 INDENT should not contain tabs, as that will mess up the char count
1702 on the next line. FIXME.
1704 This routine is guaranteed to force out any output which has been
1705 squirreled away in the wrap_buffer, so wrap_here ((char *)0) can be
1706 used to force out output from the wrap_buffer. */
1709 wrap_here (char *indent
)
1711 /* This should have been allocated, but be paranoid anyway. */
1713 internal_error (__FILE__
, __LINE__
, "failed internal consistency check");
1717 *wrap_pointer
= '\0';
1718 fputs_unfiltered (wrap_buffer
, gdb_stdout
);
1720 wrap_pointer
= wrap_buffer
;
1721 wrap_buffer
[0] = '\0';
1722 if (chars_per_line
== UINT_MAX
) /* No line overflow checking */
1726 else if (chars_printed
>= chars_per_line
)
1728 puts_filtered ("\n");
1730 puts_filtered (indent
);
1735 wrap_column
= chars_printed
;
1739 wrap_indent
= indent
;
1743 /* Ensure that whatever gets printed next, using the filtered output
1744 commands, starts at the beginning of the line. I.E. if there is
1745 any pending output for the current line, flush it and start a new
1746 line. Otherwise do nothing. */
1751 if (chars_printed
> 0)
1753 puts_filtered ("\n");
1758 /* Like fputs but if FILTER is true, pause after every screenful.
1760 Regardless of FILTER can wrap at points other than the final
1761 character of a line.
1763 Unlike fputs, fputs_maybe_filtered does not return a value.
1764 It is OK for LINEBUFFER to be NULL, in which case just don't print
1767 Note that a longjmp to top level may occur in this routine (only if
1768 FILTER is true) (since prompt_for_continue may do so) so this
1769 routine should not be called when cleanups are not in place. */
1772 fputs_maybe_filtered (const char *linebuffer
, struct ui_file
*stream
,
1775 const char *lineptr
;
1777 if (linebuffer
== 0)
1780 /* Don't do any filtering if it is disabled. */
1781 if ((stream
!= gdb_stdout
) || !pagination_enabled
1782 || (lines_per_page
== UINT_MAX
&& chars_per_line
== UINT_MAX
))
1784 fputs_unfiltered (linebuffer
, stream
);
1788 /* Go through and output each character. Show line extension
1789 when this is necessary; prompt user for new page when this is
1792 lineptr
= linebuffer
;
1795 /* Possible new page. */
1797 (lines_printed
>= lines_per_page
- 1))
1798 prompt_for_continue ();
1800 while (*lineptr
&& *lineptr
!= '\n')
1802 /* Print a single line. */
1803 if (*lineptr
== '\t')
1806 *wrap_pointer
++ = '\t';
1808 fputc_unfiltered ('\t', stream
);
1809 /* Shifting right by 3 produces the number of tab stops
1810 we have already passed, and then adding one and
1811 shifting left 3 advances to the next tab stop. */
1812 chars_printed
= ((chars_printed
>> 3) + 1) << 3;
1818 *wrap_pointer
++ = *lineptr
;
1820 fputc_unfiltered (*lineptr
, stream
);
1825 if (chars_printed
>= chars_per_line
)
1827 unsigned int save_chars
= chars_printed
;
1831 /* If we aren't actually wrapping, don't output newline --
1832 if chars_per_line is right, we probably just overflowed
1833 anyway; if it's wrong, let us keep going. */
1835 fputc_unfiltered ('\n', stream
);
1837 /* Possible new page. */
1838 if (lines_printed
>= lines_per_page
- 1)
1839 prompt_for_continue ();
1841 /* Now output indentation and wrapped string */
1844 fputs_unfiltered (wrap_indent
, stream
);
1845 *wrap_pointer
= '\0'; /* Null-terminate saved stuff */
1846 fputs_unfiltered (wrap_buffer
, stream
); /* and eject it */
1847 /* FIXME, this strlen is what prevents wrap_indent from
1848 containing tabs. However, if we recurse to print it
1849 and count its chars, we risk trouble if wrap_indent is
1850 longer than (the user settable) chars_per_line.
1851 Note also that this can set chars_printed > chars_per_line
1852 if we are printing a long string. */
1853 chars_printed
= strlen (wrap_indent
)
1854 + (save_chars
- wrap_column
);
1855 wrap_pointer
= wrap_buffer
; /* Reset buffer */
1856 wrap_buffer
[0] = '\0';
1857 wrap_column
= 0; /* And disable fancy wrap */
1862 if (*lineptr
== '\n')
1865 wrap_here ((char *) 0); /* Spit out chars, cancel further wraps */
1867 fputc_unfiltered ('\n', stream
);
1874 fputs_filtered (const char *linebuffer
, struct ui_file
*stream
)
1876 fputs_maybe_filtered (linebuffer
, stream
, 1);
1880 putchar_unfiltered (int c
)
1883 ui_file_write (gdb_stdout
, &buf
, 1);
1887 /* Write character C to gdb_stdout using GDB's paging mechanism and return C.
1888 May return nonlocally. */
1891 putchar_filtered (int c
)
1893 return fputc_filtered (c
, gdb_stdout
);
1897 fputc_unfiltered (int c
, struct ui_file
*stream
)
1900 ui_file_write (stream
, &buf
, 1);
1905 fputc_filtered (int c
, struct ui_file
*stream
)
1911 fputs_filtered (buf
, stream
);
1915 /* puts_debug is like fputs_unfiltered, except it prints special
1916 characters in printable fashion. */
1919 puts_debug (char *prefix
, char *string
, char *suffix
)
1923 /* Print prefix and suffix after each line. */
1924 static int new_line
= 1;
1925 static int return_p
= 0;
1926 static char *prev_prefix
= "";
1927 static char *prev_suffix
= "";
1929 if (*string
== '\n')
1932 /* If the prefix is changing, print the previous suffix, a new line,
1933 and the new prefix. */
1934 if ((return_p
|| (strcmp (prev_prefix
, prefix
) != 0)) && !new_line
)
1936 fputs_unfiltered (prev_suffix
, gdb_stdlog
);
1937 fputs_unfiltered ("\n", gdb_stdlog
);
1938 fputs_unfiltered (prefix
, gdb_stdlog
);
1941 /* Print prefix if we printed a newline during the previous call. */
1945 fputs_unfiltered (prefix
, gdb_stdlog
);
1948 prev_prefix
= prefix
;
1949 prev_suffix
= suffix
;
1951 /* Output characters in a printable format. */
1952 while ((ch
= *string
++) != '\0')
1958 fputc_unfiltered (ch
, gdb_stdlog
);
1961 fprintf_unfiltered (gdb_stdlog
, "\\x%02x", ch
& 0xff);
1965 fputs_unfiltered ("\\\\", gdb_stdlog
);
1968 fputs_unfiltered ("\\b", gdb_stdlog
);
1971 fputs_unfiltered ("\\f", gdb_stdlog
);
1975 fputs_unfiltered ("\\n", gdb_stdlog
);
1978 fputs_unfiltered ("\\r", gdb_stdlog
);
1981 fputs_unfiltered ("\\t", gdb_stdlog
);
1984 fputs_unfiltered ("\\v", gdb_stdlog
);
1988 return_p
= ch
== '\r';
1991 /* Print suffix if we printed a newline. */
1994 fputs_unfiltered (suffix
, gdb_stdlog
);
1995 fputs_unfiltered ("\n", gdb_stdlog
);
2000 /* Print a variable number of ARGS using format FORMAT. If this
2001 information is going to put the amount written (since the last call
2002 to REINITIALIZE_MORE_FILTER or the last page break) over the page size,
2003 call prompt_for_continue to get the users permision to continue.
2005 Unlike fprintf, this function does not return a value.
2007 We implement three variants, vfprintf (takes a vararg list and stream),
2008 fprintf (takes a stream to write on), and printf (the usual).
2010 Note also that a longjmp to top level may occur in this routine
2011 (since prompt_for_continue may do so) so this routine should not be
2012 called when cleanups are not in place. */
2015 vfprintf_maybe_filtered (struct ui_file
*stream
, const char *format
,
2016 va_list args
, int filter
)
2019 struct cleanup
*old_cleanups
;
2021 xvasprintf (&linebuffer
, format
, args
);
2022 old_cleanups
= make_cleanup (xfree
, linebuffer
);
2023 fputs_maybe_filtered (linebuffer
, stream
, filter
);
2024 do_cleanups (old_cleanups
);
2029 vfprintf_filtered (struct ui_file
*stream
, const char *format
, va_list args
)
2031 vfprintf_maybe_filtered (stream
, format
, args
, 1);
2035 vfprintf_unfiltered (struct ui_file
*stream
, const char *format
, va_list args
)
2038 struct cleanup
*old_cleanups
;
2040 xvasprintf (&linebuffer
, format
, args
);
2041 old_cleanups
= make_cleanup (xfree
, linebuffer
);
2042 fputs_unfiltered (linebuffer
, stream
);
2043 do_cleanups (old_cleanups
);
2047 vprintf_filtered (const char *format
, va_list args
)
2049 vfprintf_maybe_filtered (gdb_stdout
, format
, args
, 1);
2053 vprintf_unfiltered (const char *format
, va_list args
)
2055 vfprintf_unfiltered (gdb_stdout
, format
, args
);
2059 fprintf_filtered (struct ui_file
* stream
, const char *format
,...)
2062 va_start (args
, format
);
2063 vfprintf_filtered (stream
, format
, args
);
2068 fprintf_unfiltered (struct ui_file
* stream
, const char *format
,...)
2071 va_start (args
, format
);
2072 vfprintf_unfiltered (stream
, format
, args
);
2076 /* Like fprintf_filtered, but prints its result indented.
2077 Called as fprintfi_filtered (spaces, stream, format, ...); */
2080 fprintfi_filtered (int spaces
, struct ui_file
* stream
, const char *format
,...)
2083 va_start (args
, format
);
2084 print_spaces_filtered (spaces
, stream
);
2086 vfprintf_filtered (stream
, format
, args
);
2092 printf_filtered (const char *format
,...)
2095 va_start (args
, format
);
2096 vfprintf_filtered (gdb_stdout
, format
, args
);
2102 printf_unfiltered (const char *format
,...)
2105 va_start (args
, format
);
2106 vfprintf_unfiltered (gdb_stdout
, format
, args
);
2110 /* Like printf_filtered, but prints it's result indented.
2111 Called as printfi_filtered (spaces, format, ...); */
2114 printfi_filtered (int spaces
, const char *format
,...)
2117 va_start (args
, format
);
2118 print_spaces_filtered (spaces
, gdb_stdout
);
2119 vfprintf_filtered (gdb_stdout
, format
, args
);
2123 /* Easy -- but watch out!
2125 This routine is *not* a replacement for puts()! puts() appends a newline.
2126 This one doesn't, and had better not! */
2129 puts_filtered (const char *string
)
2131 fputs_filtered (string
, gdb_stdout
);
2135 puts_unfiltered (const char *string
)
2137 fputs_unfiltered (string
, gdb_stdout
);
2140 /* Return a pointer to N spaces and a null. The pointer is good
2141 until the next call to here. */
2146 static char *spaces
= 0;
2147 static int max_spaces
= -1;
2153 spaces
= (char *) xmalloc (n
+ 1);
2154 for (t
= spaces
+ n
; t
!= spaces
;)
2160 return spaces
+ max_spaces
- n
;
2163 /* Print N spaces. */
2165 print_spaces_filtered (int n
, struct ui_file
*stream
)
2167 fputs_filtered (n_spaces (n
), stream
);
2170 /* C++ demangler stuff. */
2172 /* fprintf_symbol_filtered attempts to demangle NAME, a symbol in language
2173 LANG, using demangling args ARG_MODE, and print it filtered to STREAM.
2174 If the name is not mangled, or the language for the name is unknown, or
2175 demangling is off, the name is printed in its "raw" form. */
2178 fprintf_symbol_filtered (struct ui_file
*stream
, char *name
, enum language lang
,
2185 /* If user wants to see raw output, no problem. */
2188 fputs_filtered (name
, stream
);
2194 case language_cplus
:
2195 demangled
= cplus_demangle (name
, arg_mode
);
2198 demangled
= cplus_demangle (name
, arg_mode
| DMGL_JAVA
);
2200 case language_chill
:
2201 demangled
= chill_demangle (name
);
2207 fputs_filtered (demangled
? demangled
: name
, stream
);
2208 if (demangled
!= NULL
)
2216 /* Do a strcmp() type operation on STRING1 and STRING2, ignoring any
2217 differences in whitespace. Returns 0 if they match, non-zero if they
2218 don't (slightly different than strcmp()'s range of return values).
2220 As an extra hack, string1=="FOO(ARGS)" matches string2=="FOO".
2221 This "feature" is useful when searching for matching C++ function names
2222 (such as if the user types 'break FOO', where FOO is a mangled C++
2226 strcmp_iw (const char *string1
, const char *string2
)
2228 while ((*string1
!= '\0') && (*string2
!= '\0'))
2230 while (isspace (*string1
))
2234 while (isspace (*string2
))
2238 if (*string1
!= *string2
)
2242 if (*string1
!= '\0')
2248 return (*string1
!= '\0' && *string1
!= '(') || (*string2
!= '\0');
2254 ** Answer whether string_to_compare is a full or partial match to
2255 ** template_string. The partial match must be in sequence starting
2259 subset_compare (char *string_to_compare
, char *template_string
)
2262 if (template_string
!= (char *) NULL
&& string_to_compare
!= (char *) NULL
&&
2263 strlen (string_to_compare
) <= strlen (template_string
))
2264 match
= (strncmp (template_string
,
2266 strlen (string_to_compare
)) == 0);
2273 static void pagination_on_command (char *arg
, int from_tty
);
2275 pagination_on_command (char *arg
, int from_tty
)
2277 pagination_enabled
= 1;
2280 static void pagination_on_command (char *arg
, int from_tty
);
2282 pagination_off_command (char *arg
, int from_tty
)
2284 pagination_enabled
= 0;
2289 initialize_utils (void)
2291 struct cmd_list_element
*c
;
2293 c
= add_set_cmd ("width", class_support
, var_uinteger
,
2294 (char *) &chars_per_line
,
2295 "Set number of characters gdb thinks are in a line.",
2297 add_show_from_set (c
, &showlist
);
2298 c
->function
.sfunc
= set_width_command
;
2301 (add_set_cmd ("height", class_support
,
2302 var_uinteger
, (char *) &lines_per_page
,
2303 "Set number of lines gdb thinks are in a page.", &setlist
),
2308 /* If the output is not a terminal, don't paginate it. */
2309 if (!ui_file_isatty (gdb_stdout
))
2310 lines_per_page
= UINT_MAX
;
2312 set_width_command ((char *) NULL
, 0, c
);
2315 (add_set_cmd ("demangle", class_support
, var_boolean
,
2317 "Set demangling of encoded C++ names when displaying symbols.",
2322 (add_set_cmd ("pagination", class_support
,
2323 var_boolean
, (char *) &pagination_enabled
,
2324 "Set state of pagination.", &setlist
),
2329 add_com ("am", class_support
, pagination_on_command
,
2330 "Enable pagination");
2331 add_com ("sm", class_support
, pagination_off_command
,
2332 "Disable pagination");
2336 (add_set_cmd ("sevenbit-strings", class_support
, var_boolean
,
2337 (char *) &sevenbit_strings
,
2338 "Set printing of 8-bit characters in strings as \\nnn.",
2343 (add_set_cmd ("asm-demangle", class_support
, var_boolean
,
2344 (char *) &asm_demangle
,
2345 "Set demangling of C++ names in disassembly listings.",
2350 /* Machine specific function to handle SIGWINCH signal. */
2352 #ifdef SIGWINCH_HANDLER_BODY
2353 SIGWINCH_HANDLER_BODY
2356 /* Support for converting target fp numbers into host DOUBLEST format. */
2358 /* XXX - This code should really be in libiberty/floatformat.c, however
2359 configuration issues with libiberty made this very difficult to do in the
2362 #include "floatformat.h"
2363 #include <math.h> /* ldexp */
2365 /* The odds that CHAR_BIT will be anything but 8 are low enough that I'm not
2366 going to bother with trying to muck around with whether it is defined in
2367 a system header, what we do if not, etc. */
2368 #define FLOATFORMAT_CHAR_BIT 8
2370 static unsigned long get_field (unsigned char *,
2371 enum floatformat_byteorders
,
2372 unsigned int, unsigned int, unsigned int);
2374 /* Extract a field which starts at START and is LEN bytes long. DATA and
2375 TOTAL_LEN are the thing we are extracting it from, in byteorder ORDER. */
2376 static unsigned long
2377 get_field (unsigned char *data
, enum floatformat_byteorders order
,
2378 unsigned int total_len
, unsigned int start
, unsigned int len
)
2380 unsigned long result
;
2381 unsigned int cur_byte
;
2384 /* Start at the least significant part of the field. */
2385 if (order
== floatformat_little
|| order
== floatformat_littlebyte_bigword
)
2387 /* We start counting from the other end (i.e, from the high bytes
2388 rather than the low bytes). As such, we need to be concerned
2389 with what happens if bit 0 doesn't start on a byte boundary.
2390 I.e, we need to properly handle the case where total_len is
2391 not evenly divisible by 8. So we compute ``excess'' which
2392 represents the number of bits from the end of our starting
2393 byte needed to get to bit 0. */
2394 int excess
= FLOATFORMAT_CHAR_BIT
- (total_len
% FLOATFORMAT_CHAR_BIT
);
2395 cur_byte
= (total_len
/ FLOATFORMAT_CHAR_BIT
)
2396 - ((start
+ len
+ excess
) / FLOATFORMAT_CHAR_BIT
);
2397 cur_bitshift
= ((start
+ len
+ excess
) % FLOATFORMAT_CHAR_BIT
)
2398 - FLOATFORMAT_CHAR_BIT
;
2402 cur_byte
= (start
+ len
) / FLOATFORMAT_CHAR_BIT
;
2404 ((start
+ len
) % FLOATFORMAT_CHAR_BIT
) - FLOATFORMAT_CHAR_BIT
;
2406 if (cur_bitshift
> -FLOATFORMAT_CHAR_BIT
)
2407 result
= *(data
+ cur_byte
) >> (-cur_bitshift
);
2410 cur_bitshift
+= FLOATFORMAT_CHAR_BIT
;
2411 if (order
== floatformat_little
|| order
== floatformat_littlebyte_bigword
)
2416 /* Move towards the most significant part of the field. */
2417 while (cur_bitshift
< len
)
2419 result
|= (unsigned long)*(data
+ cur_byte
) << cur_bitshift
;
2420 cur_bitshift
+= FLOATFORMAT_CHAR_BIT
;
2421 if (order
== floatformat_little
|| order
== floatformat_littlebyte_bigword
)
2426 if (len
< sizeof(result
) * FLOATFORMAT_CHAR_BIT
)
2427 /* Mask out bits which are not part of the field */
2428 result
&= ((1UL << len
) - 1);
2432 /* Convert from FMT to a DOUBLEST.
2433 FROM is the address of the extended float.
2434 Store the DOUBLEST in *TO. */
2437 floatformat_to_doublest (const struct floatformat
*fmt
, char *from
,
2440 unsigned char *ufrom
= (unsigned char *) from
;
2444 unsigned int mant_bits
, mant_off
;
2446 int special_exponent
; /* It's a NaN, denorm or zero */
2448 /* If the mantissa bits are not contiguous from one end of the
2449 mantissa to the other, we need to make a private copy of the
2450 source bytes that is in the right order since the unpacking
2451 algorithm assumes that the bits are contiguous.
2453 Swap the bytes individually rather than accessing them through
2454 "long *" since we have no guarantee that they start on a long
2455 alignment, and also sizeof(long) for the host could be different
2456 than sizeof(long) for the target. FIXME: Assumes sizeof(long)
2457 for the target is 4. */
2459 if (fmt
->byteorder
== floatformat_littlebyte_bigword
)
2461 static unsigned char *newfrom
;
2462 unsigned char *swapin
, *swapout
;
2465 longswaps
= fmt
->totalsize
/ FLOATFORMAT_CHAR_BIT
;
2468 if (newfrom
== NULL
)
2470 newfrom
= (unsigned char *) xmalloc (fmt
->totalsize
);
2475 while (longswaps
-- > 0)
2477 /* This is ugly, but efficient */
2478 *swapout
++ = swapin
[4];
2479 *swapout
++ = swapin
[5];
2480 *swapout
++ = swapin
[6];
2481 *swapout
++ = swapin
[7];
2482 *swapout
++ = swapin
[0];
2483 *swapout
++ = swapin
[1];
2484 *swapout
++ = swapin
[2];
2485 *swapout
++ = swapin
[3];
2490 exponent
= get_field (ufrom
, fmt
->byteorder
, fmt
->totalsize
,
2491 fmt
->exp_start
, fmt
->exp_len
);
2492 /* Note that if exponent indicates a NaN, we can't really do anything useful
2493 (not knowing if the host has NaN's, or how to build one). So it will
2494 end up as an infinity or something close; that is OK. */
2496 mant_bits_left
= fmt
->man_len
;
2497 mant_off
= fmt
->man_start
;
2500 special_exponent
= exponent
== 0 || exponent
== fmt
->exp_nan
;
2502 /* Don't bias NaNs. Use minimum exponent for denorms. For simplicity,
2503 we don't check for zero as the exponent doesn't matter. */
2504 if (!special_exponent
)
2505 exponent
-= fmt
->exp_bias
;
2506 else if (exponent
== 0)
2507 exponent
= 1 - fmt
->exp_bias
;
2509 /* Build the result algebraically. Might go infinite, underflow, etc;
2512 /* If this format uses a hidden bit, explicitly add it in now. Otherwise,
2513 increment the exponent by one to account for the integer bit. */
2515 if (!special_exponent
)
2517 if (fmt
->intbit
== floatformat_intbit_no
)
2518 dto
= ldexp (1.0, exponent
);
2523 while (mant_bits_left
> 0)
2525 mant_bits
= min (mant_bits_left
, 32);
2527 mant
= get_field (ufrom
, fmt
->byteorder
, fmt
->totalsize
,
2528 mant_off
, mant_bits
);
2530 dto
+= ldexp ((double) mant
, exponent
- mant_bits
);
2531 exponent
-= mant_bits
;
2532 mant_off
+= mant_bits
;
2533 mant_bits_left
-= mant_bits
;
2536 /* Negate it if negative. */
2537 if (get_field (ufrom
, fmt
->byteorder
, fmt
->totalsize
, fmt
->sign_start
, 1))
2542 static void put_field (unsigned char *, enum floatformat_byteorders
,
2544 unsigned int, unsigned int, unsigned long);
2546 /* Set a field which starts at START and is LEN bytes long. DATA and
2547 TOTAL_LEN are the thing we are extracting it from, in byteorder ORDER. */
2549 put_field (unsigned char *data
, enum floatformat_byteorders order
,
2550 unsigned int total_len
, unsigned int start
, unsigned int len
,
2551 unsigned long stuff_to_put
)
2553 unsigned int cur_byte
;
2556 /* Start at the least significant part of the field. */
2557 if (order
== floatformat_little
|| order
== floatformat_littlebyte_bigword
)
2559 int excess
= FLOATFORMAT_CHAR_BIT
- (total_len
% FLOATFORMAT_CHAR_BIT
);
2560 cur_byte
= (total_len
/ FLOATFORMAT_CHAR_BIT
)
2561 - ((start
+ len
+ excess
) / FLOATFORMAT_CHAR_BIT
);
2562 cur_bitshift
= ((start
+ len
+ excess
) % FLOATFORMAT_CHAR_BIT
)
2563 - FLOATFORMAT_CHAR_BIT
;
2567 cur_byte
= (start
+ len
) / FLOATFORMAT_CHAR_BIT
;
2569 ((start
+ len
) % FLOATFORMAT_CHAR_BIT
) - FLOATFORMAT_CHAR_BIT
;
2571 if (cur_bitshift
> -FLOATFORMAT_CHAR_BIT
)
2573 *(data
+ cur_byte
) &=
2574 ~(((1 << ((start
+ len
) % FLOATFORMAT_CHAR_BIT
)) - 1)
2575 << (-cur_bitshift
));
2576 *(data
+ cur_byte
) |=
2577 (stuff_to_put
& ((1 << FLOATFORMAT_CHAR_BIT
) - 1)) << (-cur_bitshift
);
2579 cur_bitshift
+= FLOATFORMAT_CHAR_BIT
;
2580 if (order
== floatformat_little
|| order
== floatformat_littlebyte_bigword
)
2585 /* Move towards the most significant part of the field. */
2586 while (cur_bitshift
< len
)
2588 if (len
- cur_bitshift
< FLOATFORMAT_CHAR_BIT
)
2590 /* This is the last byte. */
2591 *(data
+ cur_byte
) &=
2592 ~((1 << (len
- cur_bitshift
)) - 1);
2593 *(data
+ cur_byte
) |= (stuff_to_put
>> cur_bitshift
);
2596 *(data
+ cur_byte
) = ((stuff_to_put
>> cur_bitshift
)
2597 & ((1 << FLOATFORMAT_CHAR_BIT
) - 1));
2598 cur_bitshift
+= FLOATFORMAT_CHAR_BIT
;
2599 if (order
== floatformat_little
|| order
== floatformat_littlebyte_bigword
)
2606 #ifdef HAVE_LONG_DOUBLE
2607 /* Return the fractional part of VALUE, and put the exponent of VALUE in *EPTR.
2608 The range of the returned value is >= 0.5 and < 1.0. This is equivalent to
2609 frexp, but operates on the long double data type. */
2611 static long double ldfrexp (long double value
, int *eptr
);
2614 ldfrexp (long double value
, int *eptr
)
2619 /* Unfortunately, there are no portable functions for extracting the exponent
2620 of a long double, so we have to do it iteratively by multiplying or dividing
2621 by two until the fraction is between 0.5 and 1.0. */
2629 if (value
>= tmp
) /* Value >= 1.0 */
2630 while (value
>= tmp
)
2635 else if (value
!= 0.0l) /* Value < 1.0 and > 0.0 */
2649 #endif /* HAVE_LONG_DOUBLE */
2652 /* The converse: convert the DOUBLEST *FROM to an extended float
2653 and store where TO points. Neither FROM nor TO have any alignment
2657 floatformat_from_doublest (CONST
struct floatformat
*fmt
, DOUBLEST
*from
,
2663 unsigned int mant_bits
, mant_off
;
2665 unsigned char *uto
= (unsigned char *) to
;
2667 memcpy (&dfrom
, from
, sizeof (dfrom
));
2668 memset (uto
, 0, (fmt
->totalsize
+ FLOATFORMAT_CHAR_BIT
- 1)
2669 / FLOATFORMAT_CHAR_BIT
);
2671 return; /* Result is zero */
2672 if (dfrom
!= dfrom
) /* Result is NaN */
2675 put_field (uto
, fmt
->byteorder
, fmt
->totalsize
, fmt
->exp_start
,
2676 fmt
->exp_len
, fmt
->exp_nan
);
2677 /* Be sure it's not infinity, but NaN value is irrel */
2678 put_field (uto
, fmt
->byteorder
, fmt
->totalsize
, fmt
->man_start
,
2683 /* If negative, set the sign bit. */
2686 put_field (uto
, fmt
->byteorder
, fmt
->totalsize
, fmt
->sign_start
, 1, 1);
2690 if (dfrom
+ dfrom
== dfrom
&& dfrom
!= 0.0) /* Result is Infinity */
2692 /* Infinity exponent is same as NaN's. */
2693 put_field (uto
, fmt
->byteorder
, fmt
->totalsize
, fmt
->exp_start
,
2694 fmt
->exp_len
, fmt
->exp_nan
);
2695 /* Infinity mantissa is all zeroes. */
2696 put_field (uto
, fmt
->byteorder
, fmt
->totalsize
, fmt
->man_start
,
2701 #ifdef HAVE_LONG_DOUBLE
2702 mant
= ldfrexp (dfrom
, &exponent
);
2704 mant
= frexp (dfrom
, &exponent
);
2707 put_field (uto
, fmt
->byteorder
, fmt
->totalsize
, fmt
->exp_start
, fmt
->exp_len
,
2708 exponent
+ fmt
->exp_bias
- 1);
2710 mant_bits_left
= fmt
->man_len
;
2711 mant_off
= fmt
->man_start
;
2712 while (mant_bits_left
> 0)
2714 unsigned long mant_long
;
2715 mant_bits
= mant_bits_left
< 32 ? mant_bits_left
: 32;
2717 mant
*= 4294967296.0;
2718 mant_long
= ((unsigned long) mant
) & 0xffffffffL
;
2721 /* If the integer bit is implicit, then we need to discard it.
2722 If we are discarding a zero, we should be (but are not) creating
2723 a denormalized number which means adjusting the exponent
2725 if (mant_bits_left
== fmt
->man_len
2726 && fmt
->intbit
== floatformat_intbit_no
)
2729 mant_long
&= 0xffffffffL
;
2735 /* The bits we want are in the most significant MANT_BITS bits of
2736 mant_long. Move them to the least significant. */
2737 mant_long
>>= 32 - mant_bits
;
2740 put_field (uto
, fmt
->byteorder
, fmt
->totalsize
,
2741 mant_off
, mant_bits
, mant_long
);
2742 mant_off
+= mant_bits
;
2743 mant_bits_left
-= mant_bits
;
2745 if (fmt
->byteorder
== floatformat_littlebyte_bigword
)
2748 unsigned char *swaplow
= uto
;
2749 unsigned char *swaphigh
= uto
+ 4;
2752 for (count
= 0; count
< 4; count
++)
2755 *swaplow
++ = *swaphigh
;
2761 /* Check if VAL (which is assumed to be a floating point number whose
2762 format is described by FMT) is negative. */
2765 floatformat_is_negative (const struct floatformat
*fmt
, char *val
)
2767 unsigned char *uval
= (unsigned char *) val
;
2769 return get_field (uval
, fmt
->byteorder
, fmt
->totalsize
, fmt
->sign_start
, 1);
2772 /* Check if VAL is "not a number" (NaN) for FMT. */
2775 floatformat_is_nan (const struct floatformat
*fmt
, char *val
)
2777 unsigned char *uval
= (unsigned char *) val
;
2780 unsigned int mant_bits
, mant_off
;
2786 exponent
= get_field (uval
, fmt
->byteorder
, fmt
->totalsize
,
2787 fmt
->exp_start
, fmt
->exp_len
);
2789 if (exponent
!= fmt
->exp_nan
)
2792 mant_bits_left
= fmt
->man_len
;
2793 mant_off
= fmt
->man_start
;
2795 while (mant_bits_left
> 0)
2797 mant_bits
= min (mant_bits_left
, 32);
2799 mant
= get_field (uval
, fmt
->byteorder
, fmt
->totalsize
,
2800 mant_off
, mant_bits
);
2802 /* If there is an explicit integer bit, mask it off. */
2803 if (mant_off
== fmt
->man_start
2804 && fmt
->intbit
== floatformat_intbit_yes
)
2805 mant
&= ~(1 << (mant_bits
- 1));
2810 mant_off
+= mant_bits
;
2811 mant_bits_left
-= mant_bits
;
2817 /* Convert the mantissa of VAL (which is assumed to be a floating
2818 point number whose format is described by FMT) into a hexadecimal
2819 and store it in a static string. Return a pointer to that string. */
2822 floatformat_mantissa (const struct floatformat
*fmt
, char *val
)
2824 unsigned char *uval
= (unsigned char *) val
;
2826 unsigned int mant_bits
, mant_off
;
2828 static char res
[50];
2831 /* Make sure we have enough room to store the mantissa. */
2832 gdb_assert (sizeof res
> ((fmt
->man_len
+ 7) / 8) * 2);
2834 mant_off
= fmt
->man_start
;
2835 mant_bits_left
= fmt
->man_len
;
2836 mant_bits
= (mant_bits_left
% 32) > 0 ? mant_bits_left
% 32 : 32;
2838 mant
= get_field (uval
, fmt
->byteorder
, fmt
->totalsize
,
2839 mant_off
, mant_bits
);
2841 sprintf (res
, "%lx", mant
);
2843 mant_off
+= mant_bits
;
2844 mant_bits_left
-= mant_bits
;
2846 while (mant_bits_left
> 0)
2848 mant
= get_field (uval
, fmt
->byteorder
, fmt
->totalsize
,
2851 sprintf (buf
, "%08lx", mant
);
2855 mant_bits_left
-= 32;
2861 /* print routines to handle variable size regs, etc. */
2863 /* temporary storage using circular buffer */
2869 static char buf
[NUMCELLS
][CELLSIZE
];
2870 static int cell
= 0;
2871 if (++cell
>= NUMCELLS
)
2879 return (TARGET_ADDR_BIT
/ 8 * 2);
2883 paddr (CORE_ADDR addr
)
2885 return phex (addr
, TARGET_ADDR_BIT
/ 8);
2889 paddr_nz (CORE_ADDR addr
)
2891 return phex_nz (addr
, TARGET_ADDR_BIT
/ 8);
2895 decimal2str (char *paddr_str
, char *sign
, ULONGEST addr
)
2897 /* steal code from valprint.c:print_decimal(). Should this worry
2898 about the real size of addr as the above does? */
2899 unsigned long temp
[3];
2903 temp
[i
] = addr
% (1000 * 1000 * 1000);
2904 addr
/= (1000 * 1000 * 1000);
2907 while (addr
!= 0 && i
< (sizeof (temp
) / sizeof (temp
[0])));
2911 sprintf (paddr_str
, "%s%lu",
2915 sprintf (paddr_str
, "%s%lu%09lu",
2916 sign
, temp
[1], temp
[0]);
2919 sprintf (paddr_str
, "%s%lu%09lu%09lu",
2920 sign
, temp
[2], temp
[1], temp
[0]);
2923 internal_error (__FILE__
, __LINE__
, "failed internal consistency check");
2928 paddr_u (CORE_ADDR addr
)
2930 char *paddr_str
= get_cell ();
2931 decimal2str (paddr_str
, "", addr
);
2936 paddr_d (LONGEST addr
)
2938 char *paddr_str
= get_cell ();
2940 decimal2str (paddr_str
, "-", -addr
);
2942 decimal2str (paddr_str
, "", addr
);
2946 /* eliminate warning from compiler on 32-bit systems */
2947 static int thirty_two
= 32;
2950 phex (ULONGEST l
, int sizeof_l
)
2952 char *str
= get_cell ();
2956 sprintf (str
, "%08lx%08lx",
2957 (unsigned long) (l
>> thirty_two
),
2958 (unsigned long) (l
& 0xffffffff));
2961 sprintf (str
, "%08lx", (unsigned long) l
);
2964 sprintf (str
, "%04x", (unsigned short) (l
& 0xffff));
2967 phex (l
, sizeof (l
));
2974 phex_nz (ULONGEST l
, int sizeof_l
)
2976 char *str
= get_cell ();
2981 unsigned long high
= (unsigned long) (l
>> thirty_two
);
2983 sprintf (str
, "%lx", (unsigned long) (l
& 0xffffffff));
2985 sprintf (str
, "%lx%08lx",
2986 high
, (unsigned long) (l
& 0xffffffff));
2990 sprintf (str
, "%lx", (unsigned long) l
);
2993 sprintf (str
, "%x", (unsigned short) (l
& 0xffff));
2996 phex_nz (l
, sizeof (l
));
3003 /* Convert to / from the hosts pointer to GDB's internal CORE_ADDR
3004 using the target's conversion routines. */
3006 host_pointer_to_address (void *ptr
)
3008 if (sizeof (ptr
) != TYPE_LENGTH (builtin_type_ptr
))
3009 internal_error (__FILE__
, __LINE__
,
3010 "core_addr_to_void_ptr: bad cast");
3011 return POINTER_TO_ADDRESS (builtin_type_ptr
, &ptr
);
3015 address_to_host_pointer (CORE_ADDR addr
)
3018 if (sizeof (ptr
) != TYPE_LENGTH (builtin_type_ptr
))
3019 internal_error (__FILE__
, __LINE__
,
3020 "core_addr_to_void_ptr: bad cast");
3021 ADDRESS_TO_POINTER (builtin_type_ptr
, &ptr
, addr
);