Commit | Line | Data |
---|---|---|
c906108c | 1 | /* General utility routines for GDB, the GNU debugger. |
d9fcf2fb JM |
2 | Copyright 1986, 1989, 1990-1992, 1995, 1996, 1998, 2000 |
3 | Free Software Foundation, Inc. | |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
c906108c | 11 | |
c5aa993b JM |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
c906108c | 16 | |
c5aa993b JM |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
21 | |
22 | #include "defs.h" | |
23 | #include <ctype.h> | |
24 | #include "gdb_string.h" | |
c2c6d25f | 25 | #include "event-top.h" |
c906108c SS |
26 | |
27 | #ifdef HAVE_CURSES_H | |
28 | #include <curses.h> | |
29 | #endif | |
30 | #ifdef HAVE_TERM_H | |
31 | #include <term.h> | |
32 | #endif | |
33 | ||
9d271fd8 AC |
34 | #ifdef __GO32__ |
35 | #include <pc.h> | |
36 | #endif | |
37 | ||
c906108c SS |
38 | /* SunOS's curses.h has a '#define reg register' in it. Thank you Sun. */ |
39 | #ifdef reg | |
40 | #undef reg | |
41 | #endif | |
42 | ||
43 | #include "signals.h" | |
44 | #include "gdbcmd.h" | |
45 | #include "serial.h" | |
46 | #include "bfd.h" | |
47 | #include "target.h" | |
48 | #include "demangle.h" | |
49 | #include "expression.h" | |
50 | #include "language.h" | |
51 | #include "annotate.h" | |
52 | ||
53 | #include <readline/readline.h> | |
54 | ||
917317f4 JM |
55 | #undef XMALLOC |
56 | #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE))) | |
57 | ||
c906108c SS |
58 | /* readline defines this. */ |
59 | #undef savestring | |
60 | ||
61 | void (*error_begin_hook) PARAMS ((void)); | |
62 | ||
2acceee2 JM |
63 | /* Holds the last error message issued by gdb */ |
64 | ||
d9fcf2fb | 65 | static struct ui_file *gdb_lasterr; |
2acceee2 | 66 | |
c906108c SS |
67 | /* Prototypes for local functions */ |
68 | ||
d9fcf2fb JM |
69 | static void vfprintf_maybe_filtered (struct ui_file *, const char *, |
70 | va_list, int); | |
c906108c | 71 | |
d9fcf2fb | 72 | static void fputs_maybe_filtered (const char *, struct ui_file *, int); |
c906108c SS |
73 | |
74 | #if defined (USE_MMALLOC) && !defined (NO_MMCHECK) | |
75 | static void malloc_botch PARAMS ((void)); | |
76 | #endif | |
77 | ||
c906108c SS |
78 | static void |
79 | prompt_for_continue PARAMS ((void)); | |
80 | ||
c5aa993b | 81 | static void |
c906108c SS |
82 | set_width_command PARAMS ((char *, int, struct cmd_list_element *)); |
83 | ||
84 | static void | |
85 | set_width PARAMS ((void)); | |
86 | ||
c906108c SS |
87 | /* Chain of cleanup actions established with make_cleanup, |
88 | to be executed if an error happens. */ | |
89 | ||
c5aa993b JM |
90 | static struct cleanup *cleanup_chain; /* cleaned up after a failed command */ |
91 | static struct cleanup *final_cleanup_chain; /* cleaned up when gdb exits */ | |
92 | static struct cleanup *run_cleanup_chain; /* cleaned up on each 'run' */ | |
93 | static struct cleanup *exec_cleanup_chain; /* cleaned up on each execution command */ | |
6426a772 JM |
94 | /* cleaned up on each error from within an execution command */ |
95 | static struct cleanup *exec_error_cleanup_chain; | |
43ff13b4 JM |
96 | |
97 | /* Pointer to what is left to do for an execution command after the | |
98 | target stops. Used only in asynchronous mode, by targets that | |
99 | support async execution. The finish and until commands use it. So | |
100 | does the target extended-remote command. */ | |
101 | struct continuation *cmd_continuation; | |
c2d11a7d | 102 | struct continuation *intermediate_continuation; |
c906108c SS |
103 | |
104 | /* Nonzero if we have job control. */ | |
105 | ||
106 | int job_control; | |
107 | ||
108 | /* Nonzero means a quit has been requested. */ | |
109 | ||
110 | int quit_flag; | |
111 | ||
112 | /* Nonzero means quit immediately if Control-C is typed now, rather | |
113 | than waiting until QUIT is executed. Be careful in setting this; | |
114 | code which executes with immediate_quit set has to be very careful | |
115 | about being able to deal with being interrupted at any time. It is | |
116 | almost always better to use QUIT; the only exception I can think of | |
117 | is being able to quit out of a system call (using EINTR loses if | |
118 | the SIGINT happens between the previous QUIT and the system call). | |
119 | To immediately quit in the case in which a SIGINT happens between | |
120 | the previous QUIT and setting immediate_quit (desirable anytime we | |
121 | expect to block), call QUIT after setting immediate_quit. */ | |
122 | ||
123 | int immediate_quit; | |
124 | ||
125 | /* Nonzero means that encoded C++ names should be printed out in their | |
126 | C++ form rather than raw. */ | |
127 | ||
128 | int demangle = 1; | |
129 | ||
130 | /* Nonzero means that encoded C++ names should be printed out in their | |
131 | C++ form even in assembler language displays. If this is set, but | |
132 | DEMANGLE is zero, names are printed raw, i.e. DEMANGLE controls. */ | |
133 | ||
134 | int asm_demangle = 0; | |
135 | ||
136 | /* Nonzero means that strings with character values >0x7F should be printed | |
137 | as octal escapes. Zero means just print the value (e.g. it's an | |
138 | international character, and the terminal or window can cope.) */ | |
139 | ||
140 | int sevenbit_strings = 0; | |
141 | ||
142 | /* String to be printed before error messages, if any. */ | |
143 | ||
144 | char *error_pre_print; | |
145 | ||
146 | /* String to be printed before quit messages, if any. */ | |
147 | ||
148 | char *quit_pre_print; | |
149 | ||
150 | /* String to be printed before warning messages, if any. */ | |
151 | ||
152 | char *warning_pre_print = "\nwarning: "; | |
153 | ||
154 | int pagination_enabled = 1; | |
c906108c | 155 | \f |
c5aa993b | 156 | |
c906108c SS |
157 | /* Add a new cleanup to the cleanup_chain, |
158 | and return the previous chain pointer | |
159 | to be passed later to do_cleanups or discard_cleanups. | |
160 | Args are FUNCTION to clean up with, and ARG to pass to it. */ | |
161 | ||
162 | struct cleanup * | |
e4005526 | 163 | make_cleanup (make_cleanup_ftype *function, void *arg) |
c906108c | 164 | { |
c5aa993b | 165 | return make_my_cleanup (&cleanup_chain, function, arg); |
c906108c SS |
166 | } |
167 | ||
168 | struct cleanup * | |
e4005526 | 169 | make_final_cleanup (make_cleanup_ftype *function, void *arg) |
c906108c | 170 | { |
c5aa993b | 171 | return make_my_cleanup (&final_cleanup_chain, function, arg); |
c906108c | 172 | } |
7a292a7a | 173 | |
c906108c | 174 | struct cleanup * |
e4005526 | 175 | make_run_cleanup (make_cleanup_ftype *function, void *arg) |
c906108c | 176 | { |
c5aa993b | 177 | return make_my_cleanup (&run_cleanup_chain, function, arg); |
c906108c | 178 | } |
7a292a7a | 179 | |
43ff13b4 | 180 | struct cleanup * |
e4005526 | 181 | make_exec_cleanup (make_cleanup_ftype *function, void *arg) |
43ff13b4 | 182 | { |
c5aa993b | 183 | return make_my_cleanup (&exec_cleanup_chain, function, arg); |
43ff13b4 JM |
184 | } |
185 | ||
6426a772 | 186 | struct cleanup * |
e4005526 | 187 | make_exec_error_cleanup (make_cleanup_ftype *function, void *arg) |
6426a772 JM |
188 | { |
189 | return make_my_cleanup (&exec_error_cleanup_chain, function, arg); | |
190 | } | |
191 | ||
7a292a7a SS |
192 | static void |
193 | do_freeargv (arg) | |
194 | void *arg; | |
195 | { | |
c5aa993b | 196 | freeargv ((char **) arg); |
7a292a7a SS |
197 | } |
198 | ||
199 | struct cleanup * | |
200 | make_cleanup_freeargv (arg) | |
201 | char **arg; | |
202 | { | |
203 | return make_my_cleanup (&cleanup_chain, do_freeargv, arg); | |
204 | } | |
205 | ||
11cf8741 | 206 | static void |
d9fcf2fb | 207 | do_ui_file_delete (void *arg) |
11cf8741 | 208 | { |
d9fcf2fb | 209 | ui_file_delete (arg); |
11cf8741 JM |
210 | } |
211 | ||
212 | struct cleanup * | |
d9fcf2fb | 213 | make_cleanup_ui_file_delete (struct ui_file *arg) |
11cf8741 | 214 | { |
d9fcf2fb | 215 | return make_my_cleanup (&cleanup_chain, do_ui_file_delete, arg); |
11cf8741 JM |
216 | } |
217 | ||
c906108c | 218 | struct cleanup * |
e4005526 AC |
219 | make_my_cleanup (struct cleanup **pmy_chain, make_cleanup_ftype *function, |
220 | void *arg) | |
c906108c SS |
221 | { |
222 | register struct cleanup *new | |
c5aa993b | 223 | = (struct cleanup *) xmalloc (sizeof (struct cleanup)); |
c906108c SS |
224 | register struct cleanup *old_chain = *pmy_chain; |
225 | ||
226 | new->next = *pmy_chain; | |
227 | new->function = function; | |
228 | new->arg = arg; | |
229 | *pmy_chain = new; | |
230 | ||
231 | return old_chain; | |
232 | } | |
233 | ||
234 | /* Discard cleanups and do the actions they describe | |
235 | until we get back to the point OLD_CHAIN in the cleanup_chain. */ | |
236 | ||
237 | void | |
238 | do_cleanups (old_chain) | |
239 | register struct cleanup *old_chain; | |
240 | { | |
c5aa993b | 241 | do_my_cleanups (&cleanup_chain, old_chain); |
c906108c SS |
242 | } |
243 | ||
244 | void | |
245 | do_final_cleanups (old_chain) | |
246 | register struct cleanup *old_chain; | |
247 | { | |
c5aa993b | 248 | do_my_cleanups (&final_cleanup_chain, old_chain); |
c906108c SS |
249 | } |
250 | ||
251 | void | |
252 | do_run_cleanups (old_chain) | |
253 | register struct cleanup *old_chain; | |
254 | { | |
c5aa993b | 255 | do_my_cleanups (&run_cleanup_chain, old_chain); |
c906108c SS |
256 | } |
257 | ||
43ff13b4 JM |
258 | void |
259 | do_exec_cleanups (old_chain) | |
260 | register struct cleanup *old_chain; | |
261 | { | |
c5aa993b | 262 | do_my_cleanups (&exec_cleanup_chain, old_chain); |
43ff13b4 JM |
263 | } |
264 | ||
6426a772 JM |
265 | void |
266 | do_exec_error_cleanups (old_chain) | |
267 | register struct cleanup *old_chain; | |
268 | { | |
269 | do_my_cleanups (&exec_error_cleanup_chain, old_chain); | |
270 | } | |
271 | ||
c906108c SS |
272 | void |
273 | do_my_cleanups (pmy_chain, old_chain) | |
274 | register struct cleanup **pmy_chain; | |
275 | register struct cleanup *old_chain; | |
276 | { | |
277 | register struct cleanup *ptr; | |
278 | while ((ptr = *pmy_chain) != old_chain) | |
279 | { | |
280 | *pmy_chain = ptr->next; /* Do this first incase recursion */ | |
281 | (*ptr->function) (ptr->arg); | |
282 | free (ptr); | |
283 | } | |
284 | } | |
285 | ||
286 | /* Discard cleanups, not doing the actions they describe, | |
287 | until we get back to the point OLD_CHAIN in the cleanup_chain. */ | |
288 | ||
289 | void | |
290 | discard_cleanups (old_chain) | |
291 | register struct cleanup *old_chain; | |
292 | { | |
c5aa993b | 293 | discard_my_cleanups (&cleanup_chain, old_chain); |
c906108c SS |
294 | } |
295 | ||
296 | void | |
297 | discard_final_cleanups (old_chain) | |
298 | register struct cleanup *old_chain; | |
299 | { | |
c5aa993b | 300 | discard_my_cleanups (&final_cleanup_chain, old_chain); |
c906108c SS |
301 | } |
302 | ||
6426a772 JM |
303 | void |
304 | discard_exec_error_cleanups (old_chain) | |
305 | register struct cleanup *old_chain; | |
306 | { | |
307 | discard_my_cleanups (&exec_error_cleanup_chain, old_chain); | |
308 | } | |
309 | ||
c906108c SS |
310 | void |
311 | discard_my_cleanups (pmy_chain, old_chain) | |
312 | register struct cleanup **pmy_chain; | |
313 | register struct cleanup *old_chain; | |
314 | { | |
315 | register struct cleanup *ptr; | |
316 | while ((ptr = *pmy_chain) != old_chain) | |
317 | { | |
318 | *pmy_chain = ptr->next; | |
e4005526 | 319 | free (ptr); |
c906108c SS |
320 | } |
321 | } | |
322 | ||
323 | /* Set the cleanup_chain to 0, and return the old cleanup chain. */ | |
324 | struct cleanup * | |
325 | save_cleanups () | |
326 | { | |
c5aa993b | 327 | return save_my_cleanups (&cleanup_chain); |
c906108c SS |
328 | } |
329 | ||
330 | struct cleanup * | |
331 | save_final_cleanups () | |
332 | { | |
c5aa993b | 333 | return save_my_cleanups (&final_cleanup_chain); |
c906108c SS |
334 | } |
335 | ||
336 | struct cleanup * | |
337 | save_my_cleanups (pmy_chain) | |
c5aa993b | 338 | struct cleanup **pmy_chain; |
c906108c SS |
339 | { |
340 | struct cleanup *old_chain = *pmy_chain; | |
341 | ||
342 | *pmy_chain = 0; | |
343 | return old_chain; | |
344 | } | |
345 | ||
346 | /* Restore the cleanup chain from a previously saved chain. */ | |
347 | void | |
348 | restore_cleanups (chain) | |
349 | struct cleanup *chain; | |
350 | { | |
c5aa993b | 351 | restore_my_cleanups (&cleanup_chain, chain); |
c906108c SS |
352 | } |
353 | ||
354 | void | |
355 | restore_final_cleanups (chain) | |
356 | struct cleanup *chain; | |
357 | { | |
c5aa993b | 358 | restore_my_cleanups (&final_cleanup_chain, chain); |
c906108c SS |
359 | } |
360 | ||
361 | void | |
362 | restore_my_cleanups (pmy_chain, chain) | |
363 | struct cleanup **pmy_chain; | |
364 | struct cleanup *chain; | |
365 | { | |
366 | *pmy_chain = chain; | |
367 | } | |
368 | ||
369 | /* This function is useful for cleanups. | |
370 | Do | |
371 | ||
c5aa993b JM |
372 | foo = xmalloc (...); |
373 | old_chain = make_cleanup (free_current_contents, &foo); | |
c906108c SS |
374 | |
375 | to arrange to free the object thus allocated. */ | |
376 | ||
377 | void | |
378 | free_current_contents (location) | |
379 | char **location; | |
380 | { | |
381 | free (*location); | |
382 | } | |
383 | ||
384 | /* Provide a known function that does nothing, to use as a base for | |
385 | for a possibly long chain of cleanups. This is useful where we | |
386 | use the cleanup chain for handling normal cleanups as well as dealing | |
387 | with cleanups that need to be done as a result of a call to error(). | |
388 | In such cases, we may not be certain where the first cleanup is, unless | |
389 | we have a do-nothing one to always use as the base. */ | |
390 | ||
391 | /* ARGSUSED */ | |
392 | void | |
e4005526 | 393 | null_cleanup (void *arg) |
c906108c SS |
394 | { |
395 | } | |
396 | ||
43ff13b4 | 397 | /* Add a continuation to the continuation list, the gloabl list |
c2d11a7d | 398 | cmd_continuation. The new continuation will be added at the front.*/ |
43ff13b4 JM |
399 | void |
400 | add_continuation (continuation_hook, arg_list) | |
c5aa993b JM |
401 | void (*continuation_hook) PARAMS ((struct continuation_arg *)); |
402 | struct continuation_arg *arg_list; | |
43ff13b4 | 403 | { |
c5aa993b | 404 | struct continuation *continuation_ptr; |
43ff13b4 | 405 | |
c5aa993b JM |
406 | continuation_ptr = (struct continuation *) xmalloc (sizeof (struct continuation)); |
407 | continuation_ptr->continuation_hook = continuation_hook; | |
408 | continuation_ptr->arg_list = arg_list; | |
409 | continuation_ptr->next = cmd_continuation; | |
410 | cmd_continuation = continuation_ptr; | |
43ff13b4 JM |
411 | } |
412 | ||
413 | /* Walk down the cmd_continuation list, and execute all the | |
c2d11a7d JM |
414 | continuations. There is a problem though. In some cases new |
415 | continuations may be added while we are in the middle of this | |
416 | loop. If this happens they will be added in the front, and done | |
417 | before we have a chance of exhausting those that were already | |
418 | there. We need to then save the beginning of the list in a pointer | |
419 | and do the continuations from there on, instead of using the | |
420 | global beginning of list as our iteration pointer.*/ | |
c5aa993b | 421 | void |
43ff13b4 | 422 | do_all_continuations () |
c2d11a7d JM |
423 | { |
424 | struct continuation *continuation_ptr; | |
425 | struct continuation *saved_continuation; | |
426 | ||
427 | /* Copy the list header into another pointer, and set the global | |
428 | list header to null, so that the global list can change as a side | |
429 | effect of invoking the continuations and the processing of | |
430 | the preexisting continuations will not be affected. */ | |
431 | continuation_ptr = cmd_continuation; | |
432 | cmd_continuation = NULL; | |
433 | ||
434 | /* Work now on the list we have set aside. */ | |
435 | while (continuation_ptr) | |
436 | { | |
437 | (continuation_ptr->continuation_hook) (continuation_ptr->arg_list); | |
438 | saved_continuation = continuation_ptr; | |
439 | continuation_ptr = continuation_ptr->next; | |
440 | free (saved_continuation); | |
441 | } | |
442 | } | |
443 | ||
444 | /* Walk down the cmd_continuation list, and get rid of all the | |
445 | continuations. */ | |
446 | void | |
447 | discard_all_continuations () | |
43ff13b4 | 448 | { |
c5aa993b | 449 | struct continuation *continuation_ptr; |
43ff13b4 | 450 | |
c5aa993b JM |
451 | while (cmd_continuation) |
452 | { | |
c5aa993b JM |
453 | continuation_ptr = cmd_continuation; |
454 | cmd_continuation = continuation_ptr->next; | |
455 | free (continuation_ptr); | |
456 | } | |
43ff13b4 | 457 | } |
c2c6d25f | 458 | |
c2d11a7d JM |
459 | /* Add a continuation to the continuation list, the gloabl list |
460 | intermediate_continuation. The new continuation will be added at the front.*/ | |
461 | void | |
462 | add_intermediate_continuation (continuation_hook, arg_list) | |
463 | void (*continuation_hook) PARAMS ((struct continuation_arg *)); | |
464 | struct continuation_arg *arg_list; | |
465 | { | |
466 | struct continuation *continuation_ptr; | |
467 | ||
468 | continuation_ptr = (struct continuation *) xmalloc (sizeof (struct continuation)); | |
469 | continuation_ptr->continuation_hook = continuation_hook; | |
470 | continuation_ptr->arg_list = arg_list; | |
471 | continuation_ptr->next = intermediate_continuation; | |
472 | intermediate_continuation = continuation_ptr; | |
473 | } | |
474 | ||
475 | /* Walk down the cmd_continuation list, and execute all the | |
476 | continuations. There is a problem though. In some cases new | |
477 | continuations may be added while we are in the middle of this | |
478 | loop. If this happens they will be added in the front, and done | |
479 | before we have a chance of exhausting those that were already | |
480 | there. We need to then save the beginning of the list in a pointer | |
481 | and do the continuations from there on, instead of using the | |
482 | global beginning of list as our iteration pointer.*/ | |
483 | void | |
484 | do_all_intermediate_continuations () | |
485 | { | |
486 | struct continuation *continuation_ptr; | |
487 | struct continuation *saved_continuation; | |
488 | ||
489 | /* Copy the list header into another pointer, and set the global | |
490 | list header to null, so that the global list can change as a side | |
491 | effect of invoking the continuations and the processing of | |
492 | the preexisting continuations will not be affected. */ | |
493 | continuation_ptr = intermediate_continuation; | |
494 | intermediate_continuation = NULL; | |
495 | ||
496 | /* Work now on the list we have set aside. */ | |
497 | while (continuation_ptr) | |
498 | { | |
499 | (continuation_ptr->continuation_hook) (continuation_ptr->arg_list); | |
500 | saved_continuation = continuation_ptr; | |
501 | continuation_ptr = continuation_ptr->next; | |
502 | free (saved_continuation); | |
503 | } | |
504 | } | |
505 | ||
c2c6d25f JM |
506 | /* Walk down the cmd_continuation list, and get rid of all the |
507 | continuations. */ | |
508 | void | |
c2d11a7d | 509 | discard_all_intermediate_continuations () |
c2c6d25f JM |
510 | { |
511 | struct continuation *continuation_ptr; | |
512 | ||
c2d11a7d | 513 | while (intermediate_continuation) |
c2c6d25f | 514 | { |
c2d11a7d JM |
515 | continuation_ptr = intermediate_continuation; |
516 | intermediate_continuation = continuation_ptr->next; | |
c2c6d25f JM |
517 | free (continuation_ptr); |
518 | } | |
519 | } | |
520 | ||
c906108c | 521 | \f |
c5aa993b | 522 | |
c906108c SS |
523 | /* Print a warning message. Way to use this is to call warning_begin, |
524 | output the warning message (use unfiltered output to gdb_stderr), | |
525 | ending in a newline. There is not currently a warning_end that you | |
526 | call afterwards, but such a thing might be added if it is useful | |
527 | for a GUI to separate warning messages from other output. | |
528 | ||
529 | FIXME: Why do warnings use unfiltered output and errors filtered? | |
530 | Is this anything other than a historical accident? */ | |
531 | ||
532 | void | |
533 | warning_begin () | |
534 | { | |
535 | target_terminal_ours (); | |
c5aa993b | 536 | wrap_here (""); /* Force out any buffered output */ |
c906108c SS |
537 | gdb_flush (gdb_stdout); |
538 | if (warning_pre_print) | |
539 | fprintf_unfiltered (gdb_stderr, warning_pre_print); | |
540 | } | |
541 | ||
542 | /* Print a warning message. | |
543 | The first argument STRING is the warning message, used as a fprintf string, | |
544 | and the remaining args are passed as arguments to it. | |
545 | The primary difference between warnings and errors is that a warning | |
546 | does not force the return to command level. */ | |
547 | ||
c906108c | 548 | void |
c5aa993b | 549 | warning (const char *string,...) |
c906108c SS |
550 | { |
551 | va_list args; | |
c906108c | 552 | va_start (args, string); |
c906108c SS |
553 | if (warning_hook) |
554 | (*warning_hook) (string, args); | |
555 | else | |
c5aa993b JM |
556 | { |
557 | warning_begin (); | |
558 | vfprintf_unfiltered (gdb_stderr, string, args); | |
559 | fprintf_unfiltered (gdb_stderr, "\n"); | |
560 | va_end (args); | |
561 | } | |
c906108c SS |
562 | } |
563 | ||
564 | /* Start the printing of an error message. Way to use this is to call | |
565 | this, output the error message (use filtered output to gdb_stderr | |
566 | (FIXME: Some callers, like memory_error, use gdb_stdout)), ending | |
567 | in a newline, and then call return_to_top_level (RETURN_ERROR). | |
568 | error() provides a convenient way to do this for the special case | |
569 | that the error message can be formatted with a single printf call, | |
570 | but this is more general. */ | |
571 | void | |
572 | error_begin () | |
573 | { | |
574 | if (error_begin_hook) | |
575 | error_begin_hook (); | |
576 | ||
577 | target_terminal_ours (); | |
c5aa993b | 578 | wrap_here (""); /* Force out any buffered output */ |
c906108c SS |
579 | gdb_flush (gdb_stdout); |
580 | ||
581 | annotate_error_begin (); | |
582 | ||
583 | if (error_pre_print) | |
584 | fprintf_filtered (gdb_stderr, error_pre_print); | |
585 | } | |
586 | ||
587 | /* Print an error message and return to command level. | |
588 | The first argument STRING is the error message, used as a fprintf string, | |
589 | and the remaining args are passed as arguments to it. */ | |
590 | ||
4ce44c66 JM |
591 | NORETURN void |
592 | verror (const char *string, va_list args) | |
593 | { | |
c2d11a7d JM |
594 | char *err_string; |
595 | struct cleanup *err_string_cleanup; | |
4ce44c66 JM |
596 | /* FIXME: cagney/1999-11-10: All error calls should come here. |
597 | Unfortunatly some code uses the sequence: error_begin(); print | |
598 | error message; return_to_top_level. That code should be | |
599 | flushed. */ | |
600 | error_begin (); | |
c2d11a7d JM |
601 | /* NOTE: It's tempting to just do the following... |
602 | vfprintf_filtered (gdb_stderr, string, args); | |
603 | and then follow with a similar looking statement to cause the message | |
604 | to also go to gdb_lasterr. But if we do this, we'll be traversing the | |
605 | va_list twice which works on some platforms and fails miserably on | |
606 | others. */ | |
607 | /* Save it as the last error */ | |
d9fcf2fb | 608 | ui_file_rewind (gdb_lasterr); |
4ce44c66 | 609 | vfprintf_filtered (gdb_lasterr, string, args); |
c2d11a7d JM |
610 | /* Retrieve the last error and print it to gdb_stderr */ |
611 | err_string = error_last_message (); | |
612 | err_string_cleanup = make_cleanup (free, err_string); | |
613 | fputs_filtered (err_string, gdb_stderr); | |
614 | fprintf_filtered (gdb_stderr, "\n"); | |
615 | do_cleanups (err_string_cleanup); | |
4ce44c66 JM |
616 | return_to_top_level (RETURN_ERROR); |
617 | } | |
618 | ||
c906108c | 619 | NORETURN void |
c5aa993b | 620 | error (const char *string,...) |
c906108c SS |
621 | { |
622 | va_list args; | |
c906108c | 623 | va_start (args, string); |
4ce44c66 JM |
624 | verror (string, args); |
625 | va_end (args); | |
c906108c SS |
626 | } |
627 | ||
2acceee2 | 628 | NORETURN void |
d9fcf2fb | 629 | error_stream (struct ui_file *stream) |
2acceee2 | 630 | { |
4ce44c66 | 631 | long size; |
d9fcf2fb | 632 | char *msg = ui_file_xstrdup (stream, &size); |
4ce44c66 JM |
633 | make_cleanup (free, msg); |
634 | error ("%s", msg); | |
2acceee2 JM |
635 | } |
636 | ||
637 | /* Get the last error message issued by gdb */ | |
638 | ||
639 | char * | |
640 | error_last_message (void) | |
641 | { | |
4ce44c66 | 642 | long len; |
d9fcf2fb | 643 | return ui_file_xstrdup (gdb_lasterr, &len); |
2acceee2 | 644 | } |
4ce44c66 | 645 | |
2acceee2 JM |
646 | /* This is to be called by main() at the very beginning */ |
647 | ||
648 | void | |
649 | error_init (void) | |
650 | { | |
4ce44c66 | 651 | gdb_lasterr = mem_fileopen (); |
2acceee2 | 652 | } |
c906108c | 653 | |
96baa820 JM |
654 | /* Print a message reporting an internal error. Ask the user if they |
655 | want to continue, dump core, or just exit. */ | |
c906108c | 656 | |
c906108c | 657 | NORETURN void |
4ce44c66 | 658 | internal_verror (const char *fmt, va_list ap) |
c906108c | 659 | { |
96baa820 JM |
660 | static char msg[] = "Internal GDB error: recursive internal error.\n"; |
661 | static int dejavu = 0; | |
7be570e7 JM |
662 | int continue_p; |
663 | int dump_core_p; | |
c906108c | 664 | |
96baa820 JM |
665 | /* don't allow infinite error recursion. */ |
666 | switch (dejavu) | |
667 | { | |
668 | case 0: | |
669 | dejavu = 1; | |
670 | break; | |
671 | case 1: | |
672 | dejavu = 2; | |
673 | fputs_unfiltered (msg, gdb_stderr); | |
674 | abort (); | |
675 | default: | |
676 | dejavu = 3; | |
677 | write (STDERR_FILENO, msg, sizeof (msg)); | |
678 | exit (1); | |
679 | } | |
c906108c | 680 | |
96baa820 | 681 | /* Try to get the message out */ |
7be570e7 | 682 | fputs_unfiltered ("gdb-internal-error: ", gdb_stderr); |
4ce44c66 | 683 | vfprintf_unfiltered (gdb_stderr, fmt, ap); |
96baa820 | 684 | fputs_unfiltered ("\n", gdb_stderr); |
c906108c | 685 | |
7be570e7 JM |
686 | /* Default (no case) is to quit GDB. When in batch mode this |
687 | lessens the likelhood of GDB going into an infinate loop. */ | |
688 | continue_p = query ("\ | |
689 | An internal GDB error was detected. This may make make further\n\ | |
690 | debugging unreliable. Continue this debugging session? "); | |
691 | ||
692 | /* Default (no case) is to not dump core. Lessen the chance of GDB | |
693 | leaving random core files around. */ | |
694 | dump_core_p = query ("\ | |
695 | Create a core file containing the current state of GDB? "); | |
696 | ||
697 | if (continue_p) | |
698 | { | |
699 | if (dump_core_p) | |
700 | { | |
701 | if (fork () == 0) | |
702 | abort (); | |
703 | } | |
704 | } | |
705 | else | |
706 | { | |
707 | if (dump_core_p) | |
708 | abort (); | |
709 | else | |
710 | exit (1); | |
711 | } | |
96baa820 JM |
712 | |
713 | dejavu = 0; | |
714 | return_to_top_level (RETURN_ERROR); | |
c906108c SS |
715 | } |
716 | ||
4ce44c66 JM |
717 | NORETURN void |
718 | internal_error (char *string, ...) | |
719 | { | |
720 | va_list ap; | |
721 | va_start (ap, string); | |
722 | internal_verror (string, ap); | |
723 | va_end (ap); | |
724 | } | |
725 | ||
c906108c SS |
726 | /* The strerror() function can return NULL for errno values that are |
727 | out of range. Provide a "safe" version that always returns a | |
728 | printable string. */ | |
729 | ||
730 | char * | |
731 | safe_strerror (errnum) | |
732 | int errnum; | |
733 | { | |
734 | char *msg; | |
735 | static char buf[32]; | |
736 | ||
737 | if ((msg = strerror (errnum)) == NULL) | |
738 | { | |
739 | sprintf (buf, "(undocumented errno %d)", errnum); | |
740 | msg = buf; | |
741 | } | |
742 | return (msg); | |
743 | } | |
744 | ||
745 | /* The strsignal() function can return NULL for signal values that are | |
746 | out of range. Provide a "safe" version that always returns a | |
747 | printable string. */ | |
748 | ||
749 | char * | |
750 | safe_strsignal (signo) | |
751 | int signo; | |
752 | { | |
753 | char *msg; | |
754 | static char buf[32]; | |
755 | ||
756 | if ((msg = strsignal (signo)) == NULL) | |
757 | { | |
758 | sprintf (buf, "(undocumented signal %d)", signo); | |
759 | msg = buf; | |
760 | } | |
761 | return (msg); | |
762 | } | |
763 | ||
764 | ||
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. */ | |
768 | ||
769 | NORETURN void | |
770 | perror_with_name (string) | |
771 | char *string; | |
772 | { | |
773 | char *err; | |
774 | char *combined; | |
775 | ||
776 | err = safe_strerror (errno); | |
777 | combined = (char *) alloca (strlen (err) + strlen (string) + 3); | |
778 | strcpy (combined, string); | |
779 | strcat (combined, ": "); | |
780 | strcat (combined, err); | |
781 | ||
782 | /* I understand setting these is a matter of taste. Still, some people | |
783 | may clear errno but not know about bfd_error. Doing this here is not | |
784 | unreasonable. */ | |
785 | bfd_set_error (bfd_error_no_error); | |
786 | errno = 0; | |
787 | ||
c5aa993b | 788 | error ("%s.", combined); |
c906108c SS |
789 | } |
790 | ||
791 | /* Print the system error message for ERRCODE, and also mention STRING | |
792 | as the file name for which the error was encountered. */ | |
793 | ||
794 | void | |
795 | print_sys_errmsg (string, errcode) | |
796 | char *string; | |
797 | int errcode; | |
798 | { | |
799 | char *err; | |
800 | char *combined; | |
801 | ||
802 | err = safe_strerror (errcode); | |
803 | combined = (char *) alloca (strlen (err) + strlen (string) + 3); | |
804 | strcpy (combined, string); | |
805 | strcat (combined, ": "); | |
806 | strcat (combined, err); | |
807 | ||
808 | /* We want anything which was printed on stdout to come out first, before | |
809 | this message. */ | |
810 | gdb_flush (gdb_stdout); | |
811 | fprintf_unfiltered (gdb_stderr, "%s.\n", combined); | |
812 | } | |
813 | ||
814 | /* Control C eventually causes this to be called, at a convenient time. */ | |
815 | ||
816 | void | |
817 | quit () | |
818 | { | |
819 | serial_t gdb_stdout_serial = serial_fdopen (1); | |
820 | ||
821 | target_terminal_ours (); | |
822 | ||
823 | /* We want all output to appear now, before we print "Quit". We | |
824 | have 3 levels of buffering we have to flush (it's possible that | |
825 | some of these should be changed to flush the lower-level ones | |
826 | too): */ | |
827 | ||
828 | /* 1. The _filtered buffer. */ | |
c5aa993b | 829 | wrap_here ((char *) 0); |
c906108c SS |
830 | |
831 | /* 2. The stdio buffer. */ | |
832 | gdb_flush (gdb_stdout); | |
833 | gdb_flush (gdb_stderr); | |
834 | ||
835 | /* 3. The system-level buffer. */ | |
836 | SERIAL_DRAIN_OUTPUT (gdb_stdout_serial); | |
837 | SERIAL_UN_FDOPEN (gdb_stdout_serial); | |
838 | ||
839 | annotate_error_begin (); | |
840 | ||
841 | /* Don't use *_filtered; we don't want to prompt the user to continue. */ | |
842 | if (quit_pre_print) | |
843 | fprintf_unfiltered (gdb_stderr, quit_pre_print); | |
844 | ||
7be570e7 JM |
845 | #ifdef __MSDOS__ |
846 | /* No steenking SIGINT will ever be coming our way when the | |
847 | program is resumed. Don't lie. */ | |
848 | fprintf_unfiltered (gdb_stderr, "Quit\n"); | |
849 | #else | |
c906108c | 850 | if (job_control |
c5aa993b JM |
851 | /* If there is no terminal switching for this target, then we can't |
852 | possibly get screwed by the lack of job control. */ | |
c906108c SS |
853 | || current_target.to_terminal_ours == NULL) |
854 | fprintf_unfiltered (gdb_stderr, "Quit\n"); | |
855 | else | |
856 | fprintf_unfiltered (gdb_stderr, | |
c5aa993b | 857 | "Quit (expect signal SIGINT when the program is resumed)\n"); |
7be570e7 | 858 | #endif |
c906108c SS |
859 | return_to_top_level (RETURN_QUIT); |
860 | } | |
861 | ||
862 | ||
7be570e7 | 863 | #if defined(_MSC_VER) /* should test for wingdb instead? */ |
c906108c SS |
864 | |
865 | /* | |
866 | * Windows translates all keyboard and mouse events | |
867 | * into a message which is appended to the message | |
868 | * queue for the process. | |
869 | */ | |
870 | ||
c5aa993b JM |
871 | void |
872 | notice_quit () | |
c906108c | 873 | { |
c5aa993b | 874 | int k = win32pollquit (); |
c906108c SS |
875 | if (k == 1) |
876 | quit_flag = 1; | |
877 | else if (k == 2) | |
878 | immediate_quit = 1; | |
879 | } | |
880 | ||
4ce44c66 | 881 | #else /* !defined(_MSC_VER) */ |
c906108c | 882 | |
c5aa993b JM |
883 | void |
884 | notice_quit () | |
c906108c SS |
885 | { |
886 | /* Done by signals */ | |
887 | } | |
888 | ||
4ce44c66 | 889 | #endif /* !defined(_MSC_VER) */ |
c906108c | 890 | |
c906108c | 891 | /* Control C comes here */ |
c906108c SS |
892 | void |
893 | request_quit (signo) | |
894 | int signo; | |
895 | { | |
896 | quit_flag = 1; | |
897 | /* Restore the signal handler. Harmless with BSD-style signals, needed | |
898 | for System V-style signals. So just always do it, rather than worrying | |
899 | about USG defines and stuff like that. */ | |
900 | signal (signo, request_quit); | |
901 | ||
902 | #ifdef REQUEST_QUIT | |
903 | REQUEST_QUIT; | |
904 | #else | |
c5aa993b | 905 | if (immediate_quit) |
c906108c SS |
906 | quit (); |
907 | #endif | |
908 | } | |
c906108c SS |
909 | \f |
910 | /* Memory management stuff (malloc friends). */ | |
911 | ||
912 | /* Make a substitute size_t for non-ANSI compilers. */ | |
913 | ||
914 | #ifndef HAVE_STDDEF_H | |
915 | #ifndef size_t | |
916 | #define size_t unsigned int | |
917 | #endif | |
918 | #endif | |
919 | ||
920 | #if !defined (USE_MMALLOC) | |
921 | ||
082faf24 AC |
922 | PTR |
923 | mcalloc (PTR md, size_t number, size_t size) | |
ed9a39eb JM |
924 | { |
925 | return calloc (number, size); | |
926 | } | |
927 | ||
c906108c SS |
928 | PTR |
929 | mmalloc (md, size) | |
930 | PTR md; | |
931 | size_t size; | |
932 | { | |
933 | return malloc (size); | |
934 | } | |
935 | ||
936 | PTR | |
937 | mrealloc (md, ptr, size) | |
938 | PTR md; | |
939 | PTR ptr; | |
940 | size_t size; | |
941 | { | |
c5aa993b | 942 | if (ptr == 0) /* Guard against old realloc's */ |
c906108c SS |
943 | return malloc (size); |
944 | else | |
945 | return realloc (ptr, size); | |
946 | } | |
947 | ||
948 | void | |
949 | mfree (md, ptr) | |
950 | PTR md; | |
951 | PTR ptr; | |
952 | { | |
953 | free (ptr); | |
954 | } | |
955 | ||
c5aa993b | 956 | #endif /* USE_MMALLOC */ |
c906108c SS |
957 | |
958 | #if !defined (USE_MMALLOC) || defined (NO_MMCHECK) | |
959 | ||
960 | void | |
082faf24 | 961 | init_malloc (void *md) |
c906108c SS |
962 | { |
963 | } | |
964 | ||
965 | #else /* Have mmalloc and want corruption checking */ | |
966 | ||
967 | static void | |
968 | malloc_botch () | |
969 | { | |
96baa820 JM |
970 | fprintf_unfiltered (gdb_stderr, "Memory corruption\n"); |
971 | abort (); | |
c906108c SS |
972 | } |
973 | ||
974 | /* Attempt to install hooks in mmalloc/mrealloc/mfree for the heap specified | |
975 | by MD, to detect memory corruption. Note that MD may be NULL to specify | |
976 | the default heap that grows via sbrk. | |
977 | ||
978 | Note that for freshly created regions, we must call mmcheckf prior to any | |
979 | mallocs in the region. Otherwise, any region which was allocated prior to | |
980 | installing the checking hooks, which is later reallocated or freed, will | |
981 | fail the checks! The mmcheck function only allows initial hooks to be | |
982 | installed before the first mmalloc. However, anytime after we have called | |
983 | mmcheck the first time to install the checking hooks, we can call it again | |
984 | to update the function pointer to the memory corruption handler. | |
985 | ||
986 | Returns zero on failure, non-zero on success. */ | |
987 | ||
988 | #ifndef MMCHECK_FORCE | |
989 | #define MMCHECK_FORCE 0 | |
990 | #endif | |
991 | ||
992 | void | |
082faf24 | 993 | init_malloc (void *md) |
c906108c SS |
994 | { |
995 | if (!mmcheckf (md, malloc_botch, MMCHECK_FORCE)) | |
996 | { | |
997 | /* Don't use warning(), which relies on current_target being set | |
c5aa993b JM |
998 | to something other than dummy_target, until after |
999 | initialize_all_files(). */ | |
c906108c SS |
1000 | |
1001 | fprintf_unfiltered | |
1002 | (gdb_stderr, "warning: failed to install memory consistency checks; "); | |
1003 | fprintf_unfiltered | |
1004 | (gdb_stderr, "configuration should define NO_MMCHECK or MMCHECK_FORCE\n"); | |
1005 | } | |
1006 | ||
1007 | mmtrace (); | |
1008 | } | |
1009 | ||
1010 | #endif /* Have mmalloc and want corruption checking */ | |
1011 | ||
1012 | /* Called when a memory allocation fails, with the number of bytes of | |
1013 | memory requested in SIZE. */ | |
1014 | ||
1015 | NORETURN void | |
1016 | nomem (size) | |
1017 | long size; | |
1018 | { | |
1019 | if (size > 0) | |
1020 | { | |
96baa820 | 1021 | internal_error ("virtual memory exhausted: can't allocate %ld bytes.", size); |
c906108c SS |
1022 | } |
1023 | else | |
1024 | { | |
96baa820 | 1025 | internal_error ("virtual memory exhausted."); |
c906108c SS |
1026 | } |
1027 | } | |
1028 | ||
1029 | /* Like mmalloc but get error if no storage available, and protect against | |
1030 | the caller wanting to allocate zero bytes. Whether to return NULL for | |
1031 | a zero byte request, or translate the request into a request for one | |
1032 | byte of zero'd storage, is a religious issue. */ | |
1033 | ||
1034 | PTR | |
1035 | xmmalloc (md, size) | |
1036 | PTR md; | |
1037 | long size; | |
1038 | { | |
1039 | register PTR val; | |
1040 | ||
1041 | if (size == 0) | |
1042 | { | |
1043 | val = NULL; | |
1044 | } | |
1045 | else if ((val = mmalloc (md, size)) == NULL) | |
1046 | { | |
1047 | nomem (size); | |
1048 | } | |
1049 | return (val); | |
1050 | } | |
1051 | ||
1052 | /* Like mrealloc but get error if no storage available. */ | |
1053 | ||
1054 | PTR | |
1055 | xmrealloc (md, ptr, size) | |
1056 | PTR md; | |
1057 | PTR ptr; | |
1058 | long size; | |
1059 | { | |
1060 | register PTR val; | |
1061 | ||
1062 | if (ptr != NULL) | |
1063 | { | |
1064 | val = mrealloc (md, ptr, size); | |
1065 | } | |
1066 | else | |
1067 | { | |
1068 | val = mmalloc (md, size); | |
1069 | } | |
1070 | if (val == NULL) | |
1071 | { | |
1072 | nomem (size); | |
1073 | } | |
1074 | return (val); | |
1075 | } | |
1076 | ||
1077 | /* Like malloc but get error if no storage available, and protect against | |
1078 | the caller wanting to allocate zero bytes. */ | |
1079 | ||
1080 | PTR | |
1081 | xmalloc (size) | |
1082 | size_t size; | |
1083 | { | |
1084 | return (xmmalloc ((PTR) NULL, size)); | |
1085 | } | |
1086 | ||
ed9a39eb JM |
1087 | /* Like calloc but get error if no storage available */ |
1088 | ||
1089 | PTR | |
1090 | xcalloc (size_t number, size_t size) | |
1091 | { | |
1092 | void *mem = mcalloc (NULL, number, size); | |
1093 | if (mem == NULL) | |
1094 | nomem (number * size); | |
1095 | return mem; | |
1096 | } | |
1097 | ||
c906108c SS |
1098 | /* Like mrealloc but get error if no storage available. */ |
1099 | ||
1100 | PTR | |
1101 | xrealloc (ptr, size) | |
1102 | PTR ptr; | |
1103 | size_t size; | |
1104 | { | |
1105 | return (xmrealloc ((PTR) NULL, ptr, size)); | |
1106 | } | |
c906108c | 1107 | \f |
c5aa993b | 1108 | |
c906108c SS |
1109 | /* My replacement for the read system call. |
1110 | Used like `read' but keeps going if `read' returns too soon. */ | |
1111 | ||
1112 | int | |
1113 | myread (desc, addr, len) | |
1114 | int desc; | |
1115 | char *addr; | |
1116 | int len; | |
1117 | { | |
1118 | register int val; | |
1119 | int orglen = len; | |
1120 | ||
1121 | while (len > 0) | |
1122 | { | |
1123 | val = read (desc, addr, len); | |
1124 | if (val < 0) | |
1125 | return val; | |
1126 | if (val == 0) | |
1127 | return orglen - len; | |
1128 | len -= val; | |
1129 | addr += val; | |
1130 | } | |
1131 | return orglen; | |
1132 | } | |
1133 | \f | |
1134 | /* Make a copy of the string at PTR with SIZE characters | |
1135 | (and add a null character at the end in the copy). | |
1136 | Uses malloc to get the space. Returns the address of the copy. */ | |
1137 | ||
1138 | char * | |
1139 | savestring (ptr, size) | |
1140 | const char *ptr; | |
1141 | int size; | |
1142 | { | |
1143 | register char *p = (char *) xmalloc (size + 1); | |
1144 | memcpy (p, ptr, size); | |
1145 | p[size] = 0; | |
1146 | return p; | |
1147 | } | |
1148 | ||
1149 | char * | |
082faf24 | 1150 | msavestring (void *md, const char *ptr, int size) |
c906108c SS |
1151 | { |
1152 | register char *p = (char *) xmmalloc (md, size + 1); | |
1153 | memcpy (p, ptr, size); | |
1154 | p[size] = 0; | |
1155 | return p; | |
1156 | } | |
1157 | ||
1158 | /* The "const" is so it compiles under DGUX (which prototypes strsave | |
1159 | in <string.h>. FIXME: This should be named "xstrsave", shouldn't it? | |
1160 | Doesn't real strsave return NULL if out of memory? */ | |
1161 | char * | |
1162 | strsave (ptr) | |
1163 | const char *ptr; | |
1164 | { | |
1165 | return savestring (ptr, strlen (ptr)); | |
1166 | } | |
1167 | ||
1168 | char * | |
082faf24 | 1169 | mstrsave (void *md, const char *ptr) |
c906108c SS |
1170 | { |
1171 | return (msavestring (md, ptr, strlen (ptr))); | |
1172 | } | |
1173 | ||
1174 | void | |
1175 | print_spaces (n, file) | |
1176 | register int n; | |
d9fcf2fb | 1177 | register struct ui_file *file; |
c906108c | 1178 | { |
392a587b | 1179 | fputs_unfiltered (n_spaces (n), file); |
c906108c SS |
1180 | } |
1181 | ||
1182 | /* Print a host address. */ | |
1183 | ||
1184 | void | |
d9fcf2fb | 1185 | gdb_print_host_address (void *addr, struct ui_file *stream) |
c906108c SS |
1186 | { |
1187 | ||
1188 | /* We could use the %p conversion specifier to fprintf if we had any | |
1189 | way of knowing whether this host supports it. But the following | |
1190 | should work on the Alpha and on 32 bit machines. */ | |
1191 | ||
c5aa993b | 1192 | fprintf_filtered (stream, "0x%lx", (unsigned long) addr); |
c906108c SS |
1193 | } |
1194 | ||
1195 | /* Ask user a y-or-n question and return 1 iff answer is yes. | |
1196 | Takes three args which are given to printf to print the question. | |
1197 | The first, a control string, should end in "? ". | |
1198 | It should not say how to answer, because we do that. */ | |
1199 | ||
1200 | /* VARARGS */ | |
1201 | int | |
c5aa993b | 1202 | query (char *ctlstr,...) |
c906108c SS |
1203 | { |
1204 | va_list args; | |
1205 | register int answer; | |
1206 | register int ans2; | |
1207 | int retval; | |
1208 | ||
c906108c | 1209 | va_start (args, ctlstr); |
c906108c SS |
1210 | |
1211 | if (query_hook) | |
1212 | { | |
1213 | return query_hook (ctlstr, args); | |
1214 | } | |
1215 | ||
1216 | /* Automatically answer "yes" if input is not from a terminal. */ | |
1217 | if (!input_from_terminal_p ()) | |
1218 | return 1; | |
1219 | #ifdef MPW | |
1220 | /* FIXME Automatically answer "yes" if called from MacGDB. */ | |
1221 | if (mac_app) | |
1222 | return 1; | |
1223 | #endif /* MPW */ | |
1224 | ||
1225 | while (1) | |
1226 | { | |
1227 | wrap_here (""); /* Flush any buffered output */ | |
1228 | gdb_flush (gdb_stdout); | |
1229 | ||
1230 | if (annotation_level > 1) | |
1231 | printf_filtered ("\n\032\032pre-query\n"); | |
1232 | ||
1233 | vfprintf_filtered (gdb_stdout, ctlstr, args); | |
1234 | printf_filtered ("(y or n) "); | |
1235 | ||
1236 | if (annotation_level > 1) | |
1237 | printf_filtered ("\n\032\032query\n"); | |
1238 | ||
1239 | #ifdef MPW | |
1240 | /* If not in MacGDB, move to a new line so the entered line doesn't | |
c5aa993b | 1241 | have a prompt on the front of it. */ |
c906108c SS |
1242 | if (!mac_app) |
1243 | fputs_unfiltered ("\n", gdb_stdout); | |
1244 | #endif /* MPW */ | |
1245 | ||
c5aa993b | 1246 | wrap_here (""); |
c906108c SS |
1247 | gdb_flush (gdb_stdout); |
1248 | ||
1249 | #if defined(TUI) | |
c5aa993b | 1250 | if (!tui_version || cmdWin == tuiWinWithFocus ()) |
c906108c SS |
1251 | #endif |
1252 | answer = fgetc (stdin); | |
1253 | #if defined(TUI) | |
1254 | else | |
c5aa993b | 1255 | answer = (unsigned char) tuiBufferGetc (); |
c906108c SS |
1256 | |
1257 | #endif | |
1258 | clearerr (stdin); /* in case of C-d */ | |
1259 | if (answer == EOF) /* C-d */ | |
c5aa993b | 1260 | { |
c906108c SS |
1261 | retval = 1; |
1262 | break; | |
1263 | } | |
1264 | /* Eat rest of input line, to EOF or newline */ | |
1265 | if ((answer != '\n') || (tui_version && answer != '\r')) | |
c5aa993b | 1266 | do |
c906108c SS |
1267 | { |
1268 | #if defined(TUI) | |
c5aa993b | 1269 | if (!tui_version || cmdWin == tuiWinWithFocus ()) |
c906108c SS |
1270 | #endif |
1271 | ans2 = fgetc (stdin); | |
1272 | #if defined(TUI) | |
1273 | else | |
c5aa993b | 1274 | ans2 = (unsigned char) tuiBufferGetc (); |
c906108c SS |
1275 | #endif |
1276 | clearerr (stdin); | |
1277 | } | |
c5aa993b JM |
1278 | while (ans2 != EOF && ans2 != '\n' && ans2 != '\r'); |
1279 | TUIDO (((TuiOpaqueFuncPtr) tui_vStartNewLines, 1)); | |
c906108c SS |
1280 | |
1281 | if (answer >= 'a') | |
1282 | answer -= 040; | |
1283 | if (answer == 'Y') | |
1284 | { | |
1285 | retval = 1; | |
1286 | break; | |
1287 | } | |
1288 | if (answer == 'N') | |
1289 | { | |
1290 | retval = 0; | |
1291 | break; | |
1292 | } | |
1293 | printf_filtered ("Please answer y or n.\n"); | |
1294 | } | |
1295 | ||
1296 | if (annotation_level > 1) | |
1297 | printf_filtered ("\n\032\032post-query\n"); | |
1298 | return retval; | |
1299 | } | |
c906108c | 1300 | \f |
c5aa993b | 1301 | |
c906108c SS |
1302 | /* Parse a C escape sequence. STRING_PTR points to a variable |
1303 | containing a pointer to the string to parse. That pointer | |
1304 | should point to the character after the \. That pointer | |
1305 | is updated past the characters we use. The value of the | |
1306 | escape sequence is returned. | |
1307 | ||
1308 | A negative value means the sequence \ newline was seen, | |
1309 | which is supposed to be equivalent to nothing at all. | |
1310 | ||
1311 | If \ is followed by a null character, we return a negative | |
1312 | value and leave the string pointer pointing at the null character. | |
1313 | ||
1314 | If \ is followed by 000, we return 0 and leave the string pointer | |
1315 | after the zeros. A value of 0 does not mean end of string. */ | |
1316 | ||
1317 | int | |
1318 | parse_escape (string_ptr) | |
1319 | char **string_ptr; | |
1320 | { | |
1321 | register int c = *(*string_ptr)++; | |
1322 | switch (c) | |
1323 | { | |
1324 | case 'a': | |
1325 | return 007; /* Bell (alert) char */ | |
1326 | case 'b': | |
1327 | return '\b'; | |
1328 | case 'e': /* Escape character */ | |
1329 | return 033; | |
1330 | case 'f': | |
1331 | return '\f'; | |
1332 | case 'n': | |
1333 | return '\n'; | |
1334 | case 'r': | |
1335 | return '\r'; | |
1336 | case 't': | |
1337 | return '\t'; | |
1338 | case 'v': | |
1339 | return '\v'; | |
1340 | case '\n': | |
1341 | return -2; | |
1342 | case 0: | |
1343 | (*string_ptr)--; | |
1344 | return 0; | |
1345 | case '^': | |
1346 | c = *(*string_ptr)++; | |
1347 | if (c == '\\') | |
1348 | c = parse_escape (string_ptr); | |
1349 | if (c == '?') | |
1350 | return 0177; | |
1351 | return (c & 0200) | (c & 037); | |
c5aa993b | 1352 | |
c906108c SS |
1353 | case '0': |
1354 | case '1': | |
1355 | case '2': | |
1356 | case '3': | |
1357 | case '4': | |
1358 | case '5': | |
1359 | case '6': | |
1360 | case '7': | |
1361 | { | |
1362 | register int i = c - '0'; | |
1363 | register int count = 0; | |
1364 | while (++count < 3) | |
1365 | { | |
1366 | if ((c = *(*string_ptr)++) >= '0' && c <= '7') | |
1367 | { | |
1368 | i *= 8; | |
1369 | i += c - '0'; | |
1370 | } | |
1371 | else | |
1372 | { | |
1373 | (*string_ptr)--; | |
1374 | break; | |
1375 | } | |
1376 | } | |
1377 | return i; | |
1378 | } | |
1379 | default: | |
1380 | return c; | |
1381 | } | |
1382 | } | |
1383 | \f | |
1384 | /* Print the character C on STREAM as part of the contents of a literal | |
1385 | string whose delimiter is QUOTER. Note that this routine should only | |
1386 | be call for printing things which are independent of the language | |
1387 | of the program being debugged. */ | |
1388 | ||
d9fcf2fb | 1389 | static void printchar (int c, void (*do_fputs) (const char *, struct ui_file*), void (*do_fprintf) (struct ui_file*, const char *, ...), struct ui_file *stream, int quoter); |
43e526b9 JM |
1390 | |
1391 | static void | |
1392 | printchar (c, do_fputs, do_fprintf, stream, quoter) | |
1393 | int c; | |
d9fcf2fb JM |
1394 | void (*do_fputs) PARAMS ((const char *, struct ui_file*)); |
1395 | void (*do_fprintf) PARAMS ((struct ui_file*, const char *, ...)); | |
1396 | struct ui_file *stream; | |
c906108c SS |
1397 | int quoter; |
1398 | { | |
1399 | ||
1400 | c &= 0xFF; /* Avoid sign bit follies */ | |
1401 | ||
c5aa993b JM |
1402 | if (c < 0x20 || /* Low control chars */ |
1403 | (c >= 0x7F && c < 0xA0) || /* DEL, High controls */ | |
1404 | (sevenbit_strings && c >= 0x80)) | |
1405 | { /* high order bit set */ | |
1406 | switch (c) | |
1407 | { | |
1408 | case '\n': | |
43e526b9 | 1409 | do_fputs ("\\n", stream); |
c5aa993b JM |
1410 | break; |
1411 | case '\b': | |
43e526b9 | 1412 | do_fputs ("\\b", stream); |
c5aa993b JM |
1413 | break; |
1414 | case '\t': | |
43e526b9 | 1415 | do_fputs ("\\t", stream); |
c5aa993b JM |
1416 | break; |
1417 | case '\f': | |
43e526b9 | 1418 | do_fputs ("\\f", stream); |
c5aa993b JM |
1419 | break; |
1420 | case '\r': | |
43e526b9 | 1421 | do_fputs ("\\r", stream); |
c5aa993b JM |
1422 | break; |
1423 | case '\033': | |
43e526b9 | 1424 | do_fputs ("\\e", stream); |
c5aa993b JM |
1425 | break; |
1426 | case '\007': | |
43e526b9 | 1427 | do_fputs ("\\a", stream); |
c5aa993b JM |
1428 | break; |
1429 | default: | |
43e526b9 | 1430 | do_fprintf (stream, "\\%.3o", (unsigned int) c); |
c5aa993b JM |
1431 | break; |
1432 | } | |
1433 | } | |
1434 | else | |
1435 | { | |
1436 | if (c == '\\' || c == quoter) | |
43e526b9 JM |
1437 | do_fputs ("\\", stream); |
1438 | do_fprintf (stream, "%c", c); | |
c5aa993b | 1439 | } |
c906108c | 1440 | } |
43e526b9 JM |
1441 | |
1442 | /* Print the character C on STREAM as part of the contents of a | |
1443 | literal string whose delimiter is QUOTER. Note that these routines | |
1444 | should only be call for printing things which are independent of | |
1445 | the language of the program being debugged. */ | |
1446 | ||
1447 | void | |
1448 | fputstr_filtered (str, quoter, stream) | |
1449 | const char *str; | |
1450 | int quoter; | |
d9fcf2fb | 1451 | struct ui_file *stream; |
43e526b9 JM |
1452 | { |
1453 | while (*str) | |
1454 | printchar (*str++, fputs_filtered, fprintf_filtered, stream, quoter); | |
1455 | } | |
1456 | ||
1457 | void | |
1458 | fputstr_unfiltered (str, quoter, stream) | |
1459 | const char *str; | |
1460 | int quoter; | |
d9fcf2fb | 1461 | struct ui_file *stream; |
43e526b9 JM |
1462 | { |
1463 | while (*str) | |
1464 | printchar (*str++, fputs_unfiltered, fprintf_unfiltered, stream, quoter); | |
1465 | } | |
1466 | ||
1467 | void | |
1468 | fputstrn_unfiltered (str, n, quoter, stream) | |
1469 | const char *str; | |
1470 | int n; | |
1471 | int quoter; | |
d9fcf2fb | 1472 | struct ui_file *stream; |
43e526b9 JM |
1473 | { |
1474 | int i; | |
1475 | for (i = 0; i < n; i++) | |
1476 | printchar (str[i], fputs_unfiltered, fprintf_unfiltered, stream, quoter); | |
1477 | } | |
1478 | ||
c906108c | 1479 | \f |
c5aa993b | 1480 | |
c906108c SS |
1481 | /* Number of lines per page or UINT_MAX if paging is disabled. */ |
1482 | static unsigned int lines_per_page; | |
e514a9d6 | 1483 | /* Number of chars per line or UNIT_MAX if line folding is disabled. */ |
c906108c SS |
1484 | static unsigned int chars_per_line; |
1485 | /* Current count of lines printed on this page, chars on this line. */ | |
1486 | static unsigned int lines_printed, chars_printed; | |
1487 | ||
1488 | /* Buffer and start column of buffered text, for doing smarter word- | |
1489 | wrapping. When someone calls wrap_here(), we start buffering output | |
1490 | that comes through fputs_filtered(). If we see a newline, we just | |
1491 | spit it out and forget about the wrap_here(). If we see another | |
1492 | wrap_here(), we spit it out and remember the newer one. If we see | |
1493 | the end of the line, we spit out a newline, the indent, and then | |
1494 | the buffered output. */ | |
1495 | ||
1496 | /* Malloc'd buffer with chars_per_line+2 bytes. Contains characters which | |
1497 | are waiting to be output (they have already been counted in chars_printed). | |
1498 | When wrap_buffer[0] is null, the buffer is empty. */ | |
1499 | static char *wrap_buffer; | |
1500 | ||
1501 | /* Pointer in wrap_buffer to the next character to fill. */ | |
1502 | static char *wrap_pointer; | |
1503 | ||
1504 | /* String to indent by if the wrap occurs. Must not be NULL if wrap_column | |
1505 | is non-zero. */ | |
1506 | static char *wrap_indent; | |
1507 | ||
1508 | /* Column number on the screen where wrap_buffer begins, or 0 if wrapping | |
1509 | is not in effect. */ | |
1510 | static int wrap_column; | |
c906108c | 1511 | \f |
c5aa993b | 1512 | |
c906108c SS |
1513 | /* Inialize the lines and chars per page */ |
1514 | void | |
c5aa993b | 1515 | init_page_info () |
c906108c SS |
1516 | { |
1517 | #if defined(TUI) | |
c5aa993b | 1518 | if (tui_version && m_winPtrNotNull (cmdWin)) |
c906108c SS |
1519 | { |
1520 | lines_per_page = cmdWin->generic.height; | |
1521 | chars_per_line = cmdWin->generic.width; | |
1522 | } | |
1523 | else | |
1524 | #endif | |
1525 | { | |
1526 | /* These defaults will be used if we are unable to get the correct | |
1527 | values from termcap. */ | |
1528 | #if defined(__GO32__) | |
c5aa993b JM |
1529 | lines_per_page = ScreenRows (); |
1530 | chars_per_line = ScreenCols (); | |
1531 | #else | |
c906108c SS |
1532 | lines_per_page = 24; |
1533 | chars_per_line = 80; | |
1534 | ||
1535 | #if !defined (MPW) && !defined (_WIN32) | |
1536 | /* No termcap under MPW, although might be cool to do something | |
1537 | by looking at worksheet or console window sizes. */ | |
1538 | /* Initialize the screen height and width from termcap. */ | |
1539 | { | |
c5aa993b | 1540 | char *termtype = getenv ("TERM"); |
c906108c | 1541 | |
c5aa993b JM |
1542 | /* Positive means success, nonpositive means failure. */ |
1543 | int status; | |
c906108c | 1544 | |
c5aa993b JM |
1545 | /* 2048 is large enough for all known terminals, according to the |
1546 | GNU termcap manual. */ | |
1547 | char term_buffer[2048]; | |
c906108c | 1548 | |
c5aa993b JM |
1549 | if (termtype) |
1550 | { | |
c906108c SS |
1551 | status = tgetent (term_buffer, termtype); |
1552 | if (status > 0) | |
1553 | { | |
c5aa993b | 1554 | int val; |
c906108c | 1555 | int running_in_emacs = getenv ("EMACS") != NULL; |
c5aa993b JM |
1556 | |
1557 | val = tgetnum ("li"); | |
1558 | if (val >= 0 && !running_in_emacs) | |
1559 | lines_per_page = val; | |
1560 | else | |
1561 | /* The number of lines per page is not mentioned | |
c906108c SS |
1562 | in the terminal description. This probably means |
1563 | that paging is not useful (e.g. emacs shell window), | |
1564 | so disable paging. */ | |
c5aa993b JM |
1565 | lines_per_page = UINT_MAX; |
1566 | ||
1567 | val = tgetnum ("co"); | |
1568 | if (val >= 0) | |
1569 | chars_per_line = val; | |
c906108c | 1570 | } |
c5aa993b | 1571 | } |
c906108c SS |
1572 | } |
1573 | #endif /* MPW */ | |
1574 | ||
1575 | #if defined(SIGWINCH) && defined(SIGWINCH_HANDLER) | |
1576 | ||
1577 | /* If there is a better way to determine the window size, use it. */ | |
1578 | SIGWINCH_HANDLER (SIGWINCH); | |
1579 | #endif | |
1580 | #endif | |
1581 | /* If the output is not a terminal, don't paginate it. */ | |
d9fcf2fb | 1582 | if (!ui_file_isatty (gdb_stdout)) |
c5aa993b JM |
1583 | lines_per_page = UINT_MAX; |
1584 | } /* the command_line_version */ | |
1585 | set_width (); | |
c906108c SS |
1586 | } |
1587 | ||
1588 | static void | |
c5aa993b | 1589 | set_width () |
c906108c SS |
1590 | { |
1591 | if (chars_per_line == 0) | |
c5aa993b | 1592 | init_page_info (); |
c906108c SS |
1593 | |
1594 | if (!wrap_buffer) | |
1595 | { | |
1596 | wrap_buffer = (char *) xmalloc (chars_per_line + 2); | |
1597 | wrap_buffer[0] = '\0'; | |
1598 | } | |
1599 | else | |
1600 | wrap_buffer = (char *) xrealloc (wrap_buffer, chars_per_line + 2); | |
c5aa993b | 1601 | wrap_pointer = wrap_buffer; /* Start it at the beginning */ |
c906108c SS |
1602 | } |
1603 | ||
1604 | /* ARGSUSED */ | |
c5aa993b | 1605 | static void |
c906108c SS |
1606 | set_width_command (args, from_tty, c) |
1607 | char *args; | |
1608 | int from_tty; | |
1609 | struct cmd_list_element *c; | |
1610 | { | |
1611 | set_width (); | |
1612 | } | |
1613 | ||
1614 | /* Wait, so the user can read what's on the screen. Prompt the user | |
1615 | to continue by pressing RETURN. */ | |
1616 | ||
1617 | static void | |
1618 | prompt_for_continue () | |
1619 | { | |
1620 | char *ignore; | |
1621 | char cont_prompt[120]; | |
1622 | ||
1623 | if (annotation_level > 1) | |
1624 | printf_unfiltered ("\n\032\032pre-prompt-for-continue\n"); | |
1625 | ||
1626 | strcpy (cont_prompt, | |
1627 | "---Type <return> to continue, or q <return> to quit---"); | |
1628 | if (annotation_level > 1) | |
1629 | strcat (cont_prompt, "\n\032\032prompt-for-continue\n"); | |
1630 | ||
1631 | /* We must do this *before* we call gdb_readline, else it will eventually | |
1632 | call us -- thinking that we're trying to print beyond the end of the | |
1633 | screen. */ | |
1634 | reinitialize_more_filter (); | |
1635 | ||
1636 | immediate_quit++; | |
1637 | /* On a real operating system, the user can quit with SIGINT. | |
1638 | But not on GO32. | |
1639 | ||
1640 | 'q' is provided on all systems so users don't have to change habits | |
1641 | from system to system, and because telling them what to do in | |
1642 | the prompt is more user-friendly than expecting them to think of | |
1643 | SIGINT. */ | |
1644 | /* Call readline, not gdb_readline, because GO32 readline handles control-C | |
1645 | whereas control-C to gdb_readline will cause the user to get dumped | |
1646 | out to DOS. */ | |
1647 | ignore = readline (cont_prompt); | |
1648 | ||
1649 | if (annotation_level > 1) | |
1650 | printf_unfiltered ("\n\032\032post-prompt-for-continue\n"); | |
1651 | ||
1652 | if (ignore) | |
1653 | { | |
1654 | char *p = ignore; | |
1655 | while (*p == ' ' || *p == '\t') | |
1656 | ++p; | |
1657 | if (p[0] == 'q') | |
0f71a2f6 | 1658 | { |
6426a772 | 1659 | if (!event_loop_p) |
0f71a2f6 JM |
1660 | request_quit (SIGINT); |
1661 | else | |
c5aa993b | 1662 | async_request_quit (0); |
0f71a2f6 | 1663 | } |
c906108c SS |
1664 | free (ignore); |
1665 | } | |
1666 | immediate_quit--; | |
1667 | ||
1668 | /* Now we have to do this again, so that GDB will know that it doesn't | |
1669 | need to save the ---Type <return>--- line at the top of the screen. */ | |
1670 | reinitialize_more_filter (); | |
1671 | ||
1672 | dont_repeat (); /* Forget prev cmd -- CR won't repeat it. */ | |
1673 | } | |
1674 | ||
1675 | /* Reinitialize filter; ie. tell it to reset to original values. */ | |
1676 | ||
1677 | void | |
1678 | reinitialize_more_filter () | |
1679 | { | |
1680 | lines_printed = 0; | |
1681 | chars_printed = 0; | |
1682 | } | |
1683 | ||
1684 | /* Indicate that if the next sequence of characters overflows the line, | |
1685 | a newline should be inserted here rather than when it hits the end. | |
1686 | If INDENT is non-null, it is a string to be printed to indent the | |
1687 | wrapped part on the next line. INDENT must remain accessible until | |
1688 | the next call to wrap_here() or until a newline is printed through | |
1689 | fputs_filtered(). | |
1690 | ||
1691 | If the line is already overfull, we immediately print a newline and | |
1692 | the indentation, and disable further wrapping. | |
1693 | ||
1694 | If we don't know the width of lines, but we know the page height, | |
1695 | we must not wrap words, but should still keep track of newlines | |
1696 | that were explicitly printed. | |
1697 | ||
1698 | INDENT should not contain tabs, as that will mess up the char count | |
1699 | on the next line. FIXME. | |
1700 | ||
1701 | This routine is guaranteed to force out any output which has been | |
1702 | squirreled away in the wrap_buffer, so wrap_here ((char *)0) can be | |
1703 | used to force out output from the wrap_buffer. */ | |
1704 | ||
1705 | void | |
c5aa993b | 1706 | wrap_here (indent) |
c906108c SS |
1707 | char *indent; |
1708 | { | |
1709 | /* This should have been allocated, but be paranoid anyway. */ | |
1710 | if (!wrap_buffer) | |
1711 | abort (); | |
1712 | ||
1713 | if (wrap_buffer[0]) | |
1714 | { | |
1715 | *wrap_pointer = '\0'; | |
1716 | fputs_unfiltered (wrap_buffer, gdb_stdout); | |
1717 | } | |
1718 | wrap_pointer = wrap_buffer; | |
1719 | wrap_buffer[0] = '\0'; | |
c5aa993b | 1720 | if (chars_per_line == UINT_MAX) /* No line overflow checking */ |
c906108c SS |
1721 | { |
1722 | wrap_column = 0; | |
1723 | } | |
1724 | else if (chars_printed >= chars_per_line) | |
1725 | { | |
1726 | puts_filtered ("\n"); | |
1727 | if (indent != NULL) | |
1728 | puts_filtered (indent); | |
1729 | wrap_column = 0; | |
1730 | } | |
1731 | else | |
1732 | { | |
1733 | wrap_column = chars_printed; | |
1734 | if (indent == NULL) | |
1735 | wrap_indent = ""; | |
1736 | else | |
1737 | wrap_indent = indent; | |
1738 | } | |
1739 | } | |
1740 | ||
1741 | /* Ensure that whatever gets printed next, using the filtered output | |
1742 | commands, starts at the beginning of the line. I.E. if there is | |
1743 | any pending output for the current line, flush it and start a new | |
1744 | line. Otherwise do nothing. */ | |
1745 | ||
1746 | void | |
1747 | begin_line () | |
1748 | { | |
1749 | if (chars_printed > 0) | |
1750 | { | |
1751 | puts_filtered ("\n"); | |
1752 | } | |
1753 | } | |
1754 | ||
ac9a91a7 | 1755 | |
c906108c SS |
1756 | /* Like fputs but if FILTER is true, pause after every screenful. |
1757 | ||
1758 | Regardless of FILTER can wrap at points other than the final | |
1759 | character of a line. | |
1760 | ||
1761 | Unlike fputs, fputs_maybe_filtered does not return a value. | |
1762 | It is OK for LINEBUFFER to be NULL, in which case just don't print | |
1763 | anything. | |
1764 | ||
1765 | Note that a longjmp to top level may occur in this routine (only if | |
1766 | FILTER is true) (since prompt_for_continue may do so) so this | |
1767 | routine should not be called when cleanups are not in place. */ | |
1768 | ||
1769 | static void | |
1770 | fputs_maybe_filtered (linebuffer, stream, filter) | |
1771 | const char *linebuffer; | |
d9fcf2fb | 1772 | struct ui_file *stream; |
c906108c SS |
1773 | int filter; |
1774 | { | |
1775 | const char *lineptr; | |
1776 | ||
1777 | if (linebuffer == 0) | |
1778 | return; | |
1779 | ||
1780 | /* Don't do any filtering if it is disabled. */ | |
7a292a7a | 1781 | if ((stream != gdb_stdout) || !pagination_enabled |
c5aa993b | 1782 | || (lines_per_page == UINT_MAX && chars_per_line == UINT_MAX)) |
c906108c SS |
1783 | { |
1784 | fputs_unfiltered (linebuffer, stream); | |
1785 | return; | |
1786 | } | |
1787 | ||
1788 | /* Go through and output each character. Show line extension | |
1789 | when this is necessary; prompt user for new page when this is | |
1790 | necessary. */ | |
c5aa993b | 1791 | |
c906108c SS |
1792 | lineptr = linebuffer; |
1793 | while (*lineptr) | |
1794 | { | |
1795 | /* Possible new page. */ | |
1796 | if (filter && | |
1797 | (lines_printed >= lines_per_page - 1)) | |
1798 | prompt_for_continue (); | |
1799 | ||
1800 | while (*lineptr && *lineptr != '\n') | |
1801 | { | |
1802 | /* Print a single line. */ | |
1803 | if (*lineptr == '\t') | |
1804 | { | |
1805 | if (wrap_column) | |
1806 | *wrap_pointer++ = '\t'; | |
1807 | else | |
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 | |
c5aa993b | 1811 | shifting left 3 advances to the next tab stop. */ |
c906108c SS |
1812 | chars_printed = ((chars_printed >> 3) + 1) << 3; |
1813 | lineptr++; | |
1814 | } | |
1815 | else | |
1816 | { | |
1817 | if (wrap_column) | |
1818 | *wrap_pointer++ = *lineptr; | |
1819 | else | |
c5aa993b | 1820 | fputc_unfiltered (*lineptr, stream); |
c906108c SS |
1821 | chars_printed++; |
1822 | lineptr++; | |
1823 | } | |
c5aa993b | 1824 | |
c906108c SS |
1825 | if (chars_printed >= chars_per_line) |
1826 | { | |
1827 | unsigned int save_chars = chars_printed; | |
1828 | ||
1829 | chars_printed = 0; | |
1830 | lines_printed++; | |
1831 | /* If we aren't actually wrapping, don't output newline -- | |
c5aa993b JM |
1832 | if chars_per_line is right, we probably just overflowed |
1833 | anyway; if it's wrong, let us keep going. */ | |
c906108c SS |
1834 | if (wrap_column) |
1835 | fputc_unfiltered ('\n', stream); | |
1836 | ||
1837 | /* Possible new page. */ | |
1838 | if (lines_printed >= lines_per_page - 1) | |
1839 | prompt_for_continue (); | |
1840 | ||
1841 | /* Now output indentation and wrapped string */ | |
1842 | if (wrap_column) | |
1843 | { | |
1844 | fputs_unfiltered (wrap_indent, stream); | |
c5aa993b JM |
1845 | *wrap_pointer = '\0'; /* Null-terminate saved stuff */ |
1846 | fputs_unfiltered (wrap_buffer, stream); /* and eject it */ | |
c906108c SS |
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) | |
c5aa993b | 1854 | + (save_chars - wrap_column); |
c906108c SS |
1855 | wrap_pointer = wrap_buffer; /* Reset buffer */ |
1856 | wrap_buffer[0] = '\0'; | |
c5aa993b JM |
1857 | wrap_column = 0; /* And disable fancy wrap */ |
1858 | } | |
c906108c SS |
1859 | } |
1860 | } | |
1861 | ||
1862 | if (*lineptr == '\n') | |
1863 | { | |
1864 | chars_printed = 0; | |
c5aa993b | 1865 | wrap_here ((char *) 0); /* Spit out chars, cancel further wraps */ |
c906108c SS |
1866 | lines_printed++; |
1867 | fputc_unfiltered ('\n', stream); | |
1868 | lineptr++; | |
1869 | } | |
1870 | } | |
1871 | } | |
1872 | ||
1873 | void | |
1874 | fputs_filtered (linebuffer, stream) | |
1875 | const char *linebuffer; | |
d9fcf2fb | 1876 | struct ui_file *stream; |
c906108c SS |
1877 | { |
1878 | fputs_maybe_filtered (linebuffer, stream, 1); | |
1879 | } | |
1880 | ||
1881 | int | |
1882 | putchar_unfiltered (c) | |
1883 | int c; | |
1884 | { | |
11cf8741 | 1885 | char buf = c; |
d9fcf2fb | 1886 | ui_file_write (gdb_stdout, &buf, 1); |
c906108c SS |
1887 | return c; |
1888 | } | |
1889 | ||
1890 | int | |
1891 | fputc_unfiltered (c, stream) | |
1892 | int c; | |
d9fcf2fb | 1893 | struct ui_file *stream; |
c906108c | 1894 | { |
11cf8741 | 1895 | char buf = c; |
d9fcf2fb | 1896 | ui_file_write (stream, &buf, 1); |
c906108c SS |
1897 | return c; |
1898 | } | |
1899 | ||
1900 | int | |
1901 | fputc_filtered (c, stream) | |
1902 | int c; | |
d9fcf2fb | 1903 | struct ui_file *stream; |
c906108c SS |
1904 | { |
1905 | char buf[2]; | |
1906 | ||
1907 | buf[0] = c; | |
1908 | buf[1] = 0; | |
1909 | fputs_filtered (buf, stream); | |
1910 | return c; | |
1911 | } | |
1912 | ||
1913 | /* puts_debug is like fputs_unfiltered, except it prints special | |
1914 | characters in printable fashion. */ | |
1915 | ||
1916 | void | |
1917 | puts_debug (prefix, string, suffix) | |
1918 | char *prefix; | |
1919 | char *string; | |
1920 | char *suffix; | |
1921 | { | |
1922 | int ch; | |
1923 | ||
1924 | /* Print prefix and suffix after each line. */ | |
1925 | static int new_line = 1; | |
1926 | static int return_p = 0; | |
1927 | static char *prev_prefix = ""; | |
1928 | static char *prev_suffix = ""; | |
1929 | ||
1930 | if (*string == '\n') | |
1931 | return_p = 0; | |
1932 | ||
1933 | /* If the prefix is changing, print the previous suffix, a new line, | |
1934 | and the new prefix. */ | |
c5aa993b | 1935 | if ((return_p || (strcmp (prev_prefix, prefix) != 0)) && !new_line) |
c906108c | 1936 | { |
9846de1b JM |
1937 | fputs_unfiltered (prev_suffix, gdb_stdlog); |
1938 | fputs_unfiltered ("\n", gdb_stdlog); | |
1939 | fputs_unfiltered (prefix, gdb_stdlog); | |
c906108c SS |
1940 | } |
1941 | ||
1942 | /* Print prefix if we printed a newline during the previous call. */ | |
1943 | if (new_line) | |
1944 | { | |
1945 | new_line = 0; | |
9846de1b | 1946 | fputs_unfiltered (prefix, gdb_stdlog); |
c906108c SS |
1947 | } |
1948 | ||
1949 | prev_prefix = prefix; | |
1950 | prev_suffix = suffix; | |
1951 | ||
1952 | /* Output characters in a printable format. */ | |
1953 | while ((ch = *string++) != '\0') | |
1954 | { | |
1955 | switch (ch) | |
c5aa993b | 1956 | { |
c906108c SS |
1957 | default: |
1958 | if (isprint (ch)) | |
9846de1b | 1959 | fputc_unfiltered (ch, gdb_stdlog); |
c906108c SS |
1960 | |
1961 | else | |
9846de1b | 1962 | fprintf_unfiltered (gdb_stdlog, "\\x%02x", ch & 0xff); |
c906108c SS |
1963 | break; |
1964 | ||
c5aa993b JM |
1965 | case '\\': |
1966 | fputs_unfiltered ("\\\\", gdb_stdlog); | |
1967 | break; | |
1968 | case '\b': | |
1969 | fputs_unfiltered ("\\b", gdb_stdlog); | |
1970 | break; | |
1971 | case '\f': | |
1972 | fputs_unfiltered ("\\f", gdb_stdlog); | |
1973 | break; | |
1974 | case '\n': | |
1975 | new_line = 1; | |
1976 | fputs_unfiltered ("\\n", gdb_stdlog); | |
1977 | break; | |
1978 | case '\r': | |
1979 | fputs_unfiltered ("\\r", gdb_stdlog); | |
1980 | break; | |
1981 | case '\t': | |
1982 | fputs_unfiltered ("\\t", gdb_stdlog); | |
1983 | break; | |
1984 | case '\v': | |
1985 | fputs_unfiltered ("\\v", gdb_stdlog); | |
1986 | break; | |
1987 | } | |
c906108c SS |
1988 | |
1989 | return_p = ch == '\r'; | |
1990 | } | |
1991 | ||
1992 | /* Print suffix if we printed a newline. */ | |
1993 | if (new_line) | |
1994 | { | |
9846de1b JM |
1995 | fputs_unfiltered (suffix, gdb_stdlog); |
1996 | fputs_unfiltered ("\n", gdb_stdlog); | |
c906108c SS |
1997 | } |
1998 | } | |
1999 | ||
2000 | ||
2001 | /* Print a variable number of ARGS using format FORMAT. If this | |
2002 | information is going to put the amount written (since the last call | |
2003 | to REINITIALIZE_MORE_FILTER or the last page break) over the page size, | |
2004 | call prompt_for_continue to get the users permision to continue. | |
2005 | ||
2006 | Unlike fprintf, this function does not return a value. | |
2007 | ||
2008 | We implement three variants, vfprintf (takes a vararg list and stream), | |
2009 | fprintf (takes a stream to write on), and printf (the usual). | |
2010 | ||
2011 | Note also that a longjmp to top level may occur in this routine | |
2012 | (since prompt_for_continue may do so) so this routine should not be | |
2013 | called when cleanups are not in place. */ | |
2014 | ||
2015 | static void | |
2016 | vfprintf_maybe_filtered (stream, format, args, filter) | |
d9fcf2fb | 2017 | struct ui_file *stream; |
c906108c SS |
2018 | const char *format; |
2019 | va_list args; | |
2020 | int filter; | |
2021 | { | |
2022 | char *linebuffer; | |
2023 | struct cleanup *old_cleanups; | |
2024 | ||
2025 | vasprintf (&linebuffer, format, args); | |
2026 | if (linebuffer == NULL) | |
2027 | { | |
2028 | fputs_unfiltered ("\ngdb: virtual memory exhausted.\n", gdb_stderr); | |
2029 | exit (1); | |
2030 | } | |
2031 | old_cleanups = make_cleanup (free, linebuffer); | |
2032 | fputs_maybe_filtered (linebuffer, stream, filter); | |
2033 | do_cleanups (old_cleanups); | |
2034 | } | |
2035 | ||
2036 | ||
2037 | void | |
2038 | vfprintf_filtered (stream, format, args) | |
d9fcf2fb | 2039 | struct ui_file *stream; |
c906108c SS |
2040 | const char *format; |
2041 | va_list args; | |
2042 | { | |
2043 | vfprintf_maybe_filtered (stream, format, args, 1); | |
2044 | } | |
2045 | ||
2046 | void | |
2047 | vfprintf_unfiltered (stream, format, args) | |
d9fcf2fb | 2048 | struct ui_file *stream; |
c906108c SS |
2049 | const char *format; |
2050 | va_list args; | |
2051 | { | |
2052 | char *linebuffer; | |
2053 | struct cleanup *old_cleanups; | |
2054 | ||
2055 | vasprintf (&linebuffer, format, args); | |
2056 | if (linebuffer == NULL) | |
2057 | { | |
2058 | fputs_unfiltered ("\ngdb: virtual memory exhausted.\n", gdb_stderr); | |
2059 | exit (1); | |
2060 | } | |
2061 | old_cleanups = make_cleanup (free, linebuffer); | |
2062 | fputs_unfiltered (linebuffer, stream); | |
2063 | do_cleanups (old_cleanups); | |
2064 | } | |
2065 | ||
2066 | void | |
2067 | vprintf_filtered (format, args) | |
2068 | const char *format; | |
2069 | va_list args; | |
2070 | { | |
2071 | vfprintf_maybe_filtered (gdb_stdout, format, args, 1); | |
2072 | } | |
2073 | ||
2074 | void | |
2075 | vprintf_unfiltered (format, args) | |
2076 | const char *format; | |
2077 | va_list args; | |
2078 | { | |
2079 | vfprintf_unfiltered (gdb_stdout, format, args); | |
2080 | } | |
2081 | ||
c906108c | 2082 | void |
d9fcf2fb | 2083 | fprintf_filtered (struct ui_file * stream, const char *format,...) |
c906108c SS |
2084 | { |
2085 | va_list args; | |
c906108c | 2086 | va_start (args, format); |
c906108c SS |
2087 | vfprintf_filtered (stream, format, args); |
2088 | va_end (args); | |
2089 | } | |
2090 | ||
c906108c | 2091 | void |
d9fcf2fb | 2092 | fprintf_unfiltered (struct ui_file * stream, const char *format,...) |
c906108c SS |
2093 | { |
2094 | va_list args; | |
c906108c | 2095 | va_start (args, format); |
c906108c SS |
2096 | vfprintf_unfiltered (stream, format, args); |
2097 | va_end (args); | |
2098 | } | |
2099 | ||
2100 | /* Like fprintf_filtered, but prints its result indented. | |
2101 | Called as fprintfi_filtered (spaces, stream, format, ...); */ | |
2102 | ||
c906108c | 2103 | void |
d9fcf2fb | 2104 | fprintfi_filtered (int spaces, struct ui_file * stream, const char *format,...) |
c906108c SS |
2105 | { |
2106 | va_list args; | |
c906108c | 2107 | va_start (args, format); |
c906108c SS |
2108 | print_spaces_filtered (spaces, stream); |
2109 | ||
2110 | vfprintf_filtered (stream, format, args); | |
2111 | va_end (args); | |
2112 | } | |
2113 | ||
2114 | ||
c906108c | 2115 | void |
c5aa993b | 2116 | printf_filtered (const char *format,...) |
c906108c SS |
2117 | { |
2118 | va_list args; | |
c906108c | 2119 | va_start (args, format); |
c906108c SS |
2120 | vfprintf_filtered (gdb_stdout, format, args); |
2121 | va_end (args); | |
2122 | } | |
2123 | ||
2124 | ||
c906108c | 2125 | void |
c5aa993b | 2126 | printf_unfiltered (const char *format,...) |
c906108c SS |
2127 | { |
2128 | va_list args; | |
c906108c | 2129 | va_start (args, format); |
c906108c SS |
2130 | vfprintf_unfiltered (gdb_stdout, format, args); |
2131 | va_end (args); | |
2132 | } | |
2133 | ||
2134 | /* Like printf_filtered, but prints it's result indented. | |
2135 | Called as printfi_filtered (spaces, format, ...); */ | |
2136 | ||
c906108c | 2137 | void |
c5aa993b | 2138 | printfi_filtered (int spaces, const char *format,...) |
c906108c SS |
2139 | { |
2140 | va_list args; | |
c906108c | 2141 | va_start (args, format); |
c906108c SS |
2142 | print_spaces_filtered (spaces, gdb_stdout); |
2143 | vfprintf_filtered (gdb_stdout, format, args); | |
2144 | va_end (args); | |
2145 | } | |
2146 | ||
2147 | /* Easy -- but watch out! | |
2148 | ||
2149 | This routine is *not* a replacement for puts()! puts() appends a newline. | |
2150 | This one doesn't, and had better not! */ | |
2151 | ||
2152 | void | |
2153 | puts_filtered (string) | |
2154 | const char *string; | |
2155 | { | |
2156 | fputs_filtered (string, gdb_stdout); | |
2157 | } | |
2158 | ||
2159 | void | |
2160 | puts_unfiltered (string) | |
2161 | const char *string; | |
2162 | { | |
2163 | fputs_unfiltered (string, gdb_stdout); | |
2164 | } | |
2165 | ||
2166 | /* Return a pointer to N spaces and a null. The pointer is good | |
2167 | until the next call to here. */ | |
2168 | char * | |
2169 | n_spaces (n) | |
2170 | int n; | |
2171 | { | |
392a587b JM |
2172 | char *t; |
2173 | static char *spaces = 0; | |
2174 | static int max_spaces = -1; | |
c906108c SS |
2175 | |
2176 | if (n > max_spaces) | |
2177 | { | |
2178 | if (spaces) | |
2179 | free (spaces); | |
c5aa993b JM |
2180 | spaces = (char *) xmalloc (n + 1); |
2181 | for (t = spaces + n; t != spaces;) | |
c906108c SS |
2182 | *--t = ' '; |
2183 | spaces[n] = '\0'; | |
2184 | max_spaces = n; | |
2185 | } | |
2186 | ||
2187 | return spaces + max_spaces - n; | |
2188 | } | |
2189 | ||
2190 | /* Print N spaces. */ | |
2191 | void | |
2192 | print_spaces_filtered (n, stream) | |
2193 | int n; | |
d9fcf2fb | 2194 | struct ui_file *stream; |
c906108c SS |
2195 | { |
2196 | fputs_filtered (n_spaces (n), stream); | |
2197 | } | |
2198 | \f | |
2199 | /* C++ demangler stuff. */ | |
2200 | ||
2201 | /* fprintf_symbol_filtered attempts to demangle NAME, a symbol in language | |
2202 | LANG, using demangling args ARG_MODE, and print it filtered to STREAM. | |
2203 | If the name is not mangled, or the language for the name is unknown, or | |
2204 | demangling is off, the name is printed in its "raw" form. */ | |
2205 | ||
2206 | void | |
2207 | fprintf_symbol_filtered (stream, name, lang, arg_mode) | |
d9fcf2fb | 2208 | struct ui_file *stream; |
c906108c SS |
2209 | char *name; |
2210 | enum language lang; | |
2211 | int arg_mode; | |
2212 | { | |
2213 | char *demangled; | |
2214 | ||
2215 | if (name != NULL) | |
2216 | { | |
2217 | /* If user wants to see raw output, no problem. */ | |
2218 | if (!demangle) | |
2219 | { | |
2220 | fputs_filtered (name, stream); | |
2221 | } | |
2222 | else | |
2223 | { | |
2224 | switch (lang) | |
2225 | { | |
2226 | case language_cplus: | |
2227 | demangled = cplus_demangle (name, arg_mode); | |
2228 | break; | |
2229 | case language_java: | |
2230 | demangled = cplus_demangle (name, arg_mode | DMGL_JAVA); | |
2231 | break; | |
2232 | case language_chill: | |
2233 | demangled = chill_demangle (name); | |
2234 | break; | |
2235 | default: | |
2236 | demangled = NULL; | |
2237 | break; | |
2238 | } | |
2239 | fputs_filtered (demangled ? demangled : name, stream); | |
2240 | if (demangled != NULL) | |
2241 | { | |
2242 | free (demangled); | |
2243 | } | |
2244 | } | |
2245 | } | |
2246 | } | |
2247 | ||
2248 | /* Do a strcmp() type operation on STRING1 and STRING2, ignoring any | |
2249 | differences in whitespace. Returns 0 if they match, non-zero if they | |
2250 | don't (slightly different than strcmp()'s range of return values). | |
c5aa993b | 2251 | |
c906108c SS |
2252 | As an extra hack, string1=="FOO(ARGS)" matches string2=="FOO". |
2253 | This "feature" is useful when searching for matching C++ function names | |
2254 | (such as if the user types 'break FOO', where FOO is a mangled C++ | |
2255 | function). */ | |
2256 | ||
2257 | int | |
2258 | strcmp_iw (string1, string2) | |
2259 | const char *string1; | |
2260 | const char *string2; | |
2261 | { | |
2262 | while ((*string1 != '\0') && (*string2 != '\0')) | |
2263 | { | |
2264 | while (isspace (*string1)) | |
2265 | { | |
2266 | string1++; | |
2267 | } | |
2268 | while (isspace (*string2)) | |
2269 | { | |
2270 | string2++; | |
2271 | } | |
2272 | if (*string1 != *string2) | |
2273 | { | |
2274 | break; | |
2275 | } | |
2276 | if (*string1 != '\0') | |
2277 | { | |
2278 | string1++; | |
2279 | string2++; | |
2280 | } | |
2281 | } | |
2282 | return (*string1 != '\0' && *string1 != '(') || (*string2 != '\0'); | |
2283 | } | |
c906108c | 2284 | \f |
c5aa993b | 2285 | |
c906108c | 2286 | /* |
c5aa993b JM |
2287 | ** subset_compare() |
2288 | ** Answer whether string_to_compare is a full or partial match to | |
2289 | ** template_string. The partial match must be in sequence starting | |
2290 | ** at index 0. | |
2291 | */ | |
c906108c | 2292 | int |
7a292a7a | 2293 | subset_compare (string_to_compare, template_string) |
c5aa993b JM |
2294 | char *string_to_compare; |
2295 | char *template_string; | |
7a292a7a SS |
2296 | { |
2297 | int match; | |
c5aa993b JM |
2298 | if (template_string != (char *) NULL && string_to_compare != (char *) NULL && |
2299 | strlen (string_to_compare) <= strlen (template_string)) | |
2300 | match = (strncmp (template_string, | |
2301 | string_to_compare, | |
2302 | strlen (string_to_compare)) == 0); | |
7a292a7a SS |
2303 | else |
2304 | match = 0; | |
2305 | return match; | |
2306 | } | |
c906108c SS |
2307 | |
2308 | ||
7a292a7a SS |
2309 | static void pagination_on_command PARAMS ((char *arg, int from_tty)); |
2310 | static void | |
2311 | pagination_on_command (arg, from_tty) | |
c5aa993b JM |
2312 | char *arg; |
2313 | int from_tty; | |
c906108c SS |
2314 | { |
2315 | pagination_enabled = 1; | |
2316 | } | |
2317 | ||
7a292a7a SS |
2318 | static void pagination_on_command PARAMS ((char *arg, int from_tty)); |
2319 | static void | |
2320 | pagination_off_command (arg, from_tty) | |
c5aa993b JM |
2321 | char *arg; |
2322 | int from_tty; | |
c906108c SS |
2323 | { |
2324 | pagination_enabled = 0; | |
2325 | } | |
c906108c | 2326 | \f |
c5aa993b | 2327 | |
c906108c SS |
2328 | void |
2329 | initialize_utils () | |
2330 | { | |
2331 | struct cmd_list_element *c; | |
2332 | ||
c5aa993b JM |
2333 | c = add_set_cmd ("width", class_support, var_uinteger, |
2334 | (char *) &chars_per_line, | |
2335 | "Set number of characters gdb thinks are in a line.", | |
2336 | &setlist); | |
c906108c SS |
2337 | add_show_from_set (c, &showlist); |
2338 | c->function.sfunc = set_width_command; | |
2339 | ||
2340 | add_show_from_set | |
2341 | (add_set_cmd ("height", class_support, | |
c5aa993b | 2342 | var_uinteger, (char *) &lines_per_page, |
c906108c SS |
2343 | "Set number of lines gdb thinks are in a page.", &setlist), |
2344 | &showlist); | |
c5aa993b | 2345 | |
c906108c SS |
2346 | init_page_info (); |
2347 | ||
2348 | /* If the output is not a terminal, don't paginate it. */ | |
d9fcf2fb | 2349 | if (!ui_file_isatty (gdb_stdout)) |
c906108c SS |
2350 | lines_per_page = UINT_MAX; |
2351 | ||
c5aa993b | 2352 | set_width_command ((char *) NULL, 0, c); |
c906108c SS |
2353 | |
2354 | add_show_from_set | |
c5aa993b JM |
2355 | (add_set_cmd ("demangle", class_support, var_boolean, |
2356 | (char *) &demangle, | |
2357 | "Set demangling of encoded C++ names when displaying symbols.", | |
c906108c SS |
2358 | &setprintlist), |
2359 | &showprintlist); | |
2360 | ||
2361 | add_show_from_set | |
2362 | (add_set_cmd ("pagination", class_support, | |
c5aa993b | 2363 | var_boolean, (char *) &pagination_enabled, |
c906108c SS |
2364 | "Set state of pagination.", &setlist), |
2365 | &showlist); | |
2366 | if (xdb_commands) | |
2367 | { | |
c5aa993b JM |
2368 | add_com ("am", class_support, pagination_on_command, |
2369 | "Enable pagination"); | |
2370 | add_com ("sm", class_support, pagination_off_command, | |
2371 | "Disable pagination"); | |
c906108c SS |
2372 | } |
2373 | ||
2374 | add_show_from_set | |
c5aa993b JM |
2375 | (add_set_cmd ("sevenbit-strings", class_support, var_boolean, |
2376 | (char *) &sevenbit_strings, | |
2377 | "Set printing of 8-bit characters in strings as \\nnn.", | |
c906108c SS |
2378 | &setprintlist), |
2379 | &showprintlist); | |
2380 | ||
2381 | add_show_from_set | |
c5aa993b JM |
2382 | (add_set_cmd ("asm-demangle", class_support, var_boolean, |
2383 | (char *) &asm_demangle, | |
2384 | "Set demangling of C++ names in disassembly listings.", | |
c906108c SS |
2385 | &setprintlist), |
2386 | &showprintlist); | |
2387 | } | |
2388 | ||
2389 | /* Machine specific function to handle SIGWINCH signal. */ | |
2390 | ||
2391 | #ifdef SIGWINCH_HANDLER_BODY | |
c5aa993b | 2392 | SIGWINCH_HANDLER_BODY |
c906108c SS |
2393 | #endif |
2394 | \f | |
2395 | /* Support for converting target fp numbers into host DOUBLEST format. */ | |
2396 | ||
2397 | /* XXX - This code should really be in libiberty/floatformat.c, however | |
2398 | configuration issues with libiberty made this very difficult to do in the | |
2399 | available time. */ | |
2400 | ||
2401 | #include "floatformat.h" | |
2402 | #include <math.h> /* ldexp */ | |
2403 | ||
2404 | /* The odds that CHAR_BIT will be anything but 8 are low enough that I'm not | |
2405 | going to bother with trying to muck around with whether it is defined in | |
2406 | a system header, what we do if not, etc. */ | |
2407 | #define FLOATFORMAT_CHAR_BIT 8 | |
2408 | ||
2409 | static unsigned long get_field PARAMS ((unsigned char *, | |
2410 | enum floatformat_byteorders, | |
2411 | unsigned int, | |
2412 | unsigned int, | |
2413 | unsigned int)); | |
2414 | ||
2415 | /* Extract a field which starts at START and is LEN bytes long. DATA and | |
2416 | TOTAL_LEN are the thing we are extracting it from, in byteorder ORDER. */ | |
2417 | static unsigned long | |
2418 | get_field (data, order, total_len, start, len) | |
2419 | unsigned char *data; | |
2420 | enum floatformat_byteorders order; | |
2421 | unsigned int total_len; | |
2422 | unsigned int start; | |
2423 | unsigned int len; | |
2424 | { | |
2425 | unsigned long result; | |
2426 | unsigned int cur_byte; | |
2427 | int cur_bitshift; | |
2428 | ||
2429 | /* Start at the least significant part of the field. */ | |
c906108c | 2430 | if (order == floatformat_little || order == floatformat_littlebyte_bigword) |
0fda6bd2 JM |
2431 | { |
2432 | /* We start counting from the other end (i.e, from the high bytes | |
2433 | rather than the low bytes). As such, we need to be concerned | |
2434 | with what happens if bit 0 doesn't start on a byte boundary. | |
2435 | I.e, we need to properly handle the case where total_len is | |
2436 | not evenly divisible by 8. So we compute ``excess'' which | |
2437 | represents the number of bits from the end of our starting | |
2438 | byte needed to get to bit 0. */ | |
2439 | int excess = FLOATFORMAT_CHAR_BIT - (total_len % FLOATFORMAT_CHAR_BIT); | |
2440 | cur_byte = (total_len / FLOATFORMAT_CHAR_BIT) | |
2441 | - ((start + len + excess) / FLOATFORMAT_CHAR_BIT); | |
2442 | cur_bitshift = ((start + len + excess) % FLOATFORMAT_CHAR_BIT) | |
2443 | - FLOATFORMAT_CHAR_BIT; | |
2444 | } | |
2445 | else | |
2446 | { | |
2447 | cur_byte = (start + len) / FLOATFORMAT_CHAR_BIT; | |
2448 | cur_bitshift = | |
2449 | ((start + len) % FLOATFORMAT_CHAR_BIT) - FLOATFORMAT_CHAR_BIT; | |
2450 | } | |
2451 | if (cur_bitshift > -FLOATFORMAT_CHAR_BIT) | |
2452 | result = *(data + cur_byte) >> (-cur_bitshift); | |
2453 | else | |
2454 | result = 0; | |
c906108c SS |
2455 | cur_bitshift += FLOATFORMAT_CHAR_BIT; |
2456 | if (order == floatformat_little || order == floatformat_littlebyte_bigword) | |
2457 | ++cur_byte; | |
2458 | else | |
2459 | --cur_byte; | |
2460 | ||
2461 | /* Move towards the most significant part of the field. */ | |
2462 | while (cur_bitshift < len) | |
2463 | { | |
0fda6bd2 | 2464 | result |= (unsigned long)*(data + cur_byte) << cur_bitshift; |
c906108c SS |
2465 | cur_bitshift += FLOATFORMAT_CHAR_BIT; |
2466 | if (order == floatformat_little || order == floatformat_littlebyte_bigword) | |
2467 | ++cur_byte; | |
2468 | else | |
2469 | --cur_byte; | |
2470 | } | |
0fda6bd2 JM |
2471 | if (len < sizeof(result) * FLOATFORMAT_CHAR_BIT) |
2472 | /* Mask out bits which are not part of the field */ | |
2473 | result &= ((1UL << len) - 1); | |
c906108c SS |
2474 | return result; |
2475 | } | |
c5aa993b | 2476 | |
c906108c SS |
2477 | /* Convert from FMT to a DOUBLEST. |
2478 | FROM is the address of the extended float. | |
2479 | Store the DOUBLEST in *TO. */ | |
2480 | ||
2481 | void | |
2482 | floatformat_to_doublest (fmt, from, to) | |
2483 | const struct floatformat *fmt; | |
2484 | char *from; | |
2485 | DOUBLEST *to; | |
2486 | { | |
c5aa993b | 2487 | unsigned char *ufrom = (unsigned char *) from; |
c906108c SS |
2488 | DOUBLEST dto; |
2489 | long exponent; | |
2490 | unsigned long mant; | |
2491 | unsigned int mant_bits, mant_off; | |
2492 | int mant_bits_left; | |
2493 | int special_exponent; /* It's a NaN, denorm or zero */ | |
2494 | ||
2495 | /* If the mantissa bits are not contiguous from one end of the | |
2496 | mantissa to the other, we need to make a private copy of the | |
2497 | source bytes that is in the right order since the unpacking | |
2498 | algorithm assumes that the bits are contiguous. | |
2499 | ||
2500 | Swap the bytes individually rather than accessing them through | |
2501 | "long *" since we have no guarantee that they start on a long | |
2502 | alignment, and also sizeof(long) for the host could be different | |
2503 | than sizeof(long) for the target. FIXME: Assumes sizeof(long) | |
2504 | for the target is 4. */ | |
2505 | ||
c5aa993b | 2506 | if (fmt->byteorder == floatformat_littlebyte_bigword) |
c906108c SS |
2507 | { |
2508 | static unsigned char *newfrom; | |
2509 | unsigned char *swapin, *swapout; | |
2510 | int longswaps; | |
2511 | ||
c5aa993b | 2512 | longswaps = fmt->totalsize / FLOATFORMAT_CHAR_BIT; |
c906108c | 2513 | longswaps >>= 3; |
c5aa993b | 2514 | |
c906108c SS |
2515 | if (newfrom == NULL) |
2516 | { | |
c5aa993b | 2517 | newfrom = (unsigned char *) xmalloc (fmt->totalsize); |
c906108c SS |
2518 | } |
2519 | swapout = newfrom; | |
2520 | swapin = ufrom; | |
2521 | ufrom = newfrom; | |
2522 | while (longswaps-- > 0) | |
2523 | { | |
2524 | /* This is ugly, but efficient */ | |
2525 | *swapout++ = swapin[4]; | |
2526 | *swapout++ = swapin[5]; | |
2527 | *swapout++ = swapin[6]; | |
2528 | *swapout++ = swapin[7]; | |
2529 | *swapout++ = swapin[0]; | |
2530 | *swapout++ = swapin[1]; | |
2531 | *swapout++ = swapin[2]; | |
2532 | *swapout++ = swapin[3]; | |
2533 | swapin += 8; | |
2534 | } | |
2535 | } | |
2536 | ||
2537 | exponent = get_field (ufrom, fmt->byteorder, fmt->totalsize, | |
2538 | fmt->exp_start, fmt->exp_len); | |
2539 | /* Note that if exponent indicates a NaN, we can't really do anything useful | |
2540 | (not knowing if the host has NaN's, or how to build one). So it will | |
2541 | end up as an infinity or something close; that is OK. */ | |
2542 | ||
2543 | mant_bits_left = fmt->man_len; | |
2544 | mant_off = fmt->man_start; | |
2545 | dto = 0.0; | |
2546 | ||
2547 | special_exponent = exponent == 0 || exponent == fmt->exp_nan; | |
2548 | ||
11cf8741 JM |
2549 | /* Don't bias NaNs. Use minimum exponent for denorms. For simplicity, |
2550 | we don't check for zero as the exponent doesn't matter. */ | |
c906108c SS |
2551 | if (!special_exponent) |
2552 | exponent -= fmt->exp_bias; | |
11cf8741 JM |
2553 | else if (exponent == 0) |
2554 | exponent = 1 - fmt->exp_bias; | |
c906108c SS |
2555 | |
2556 | /* Build the result algebraically. Might go infinite, underflow, etc; | |
2557 | who cares. */ | |
2558 | ||
2559 | /* If this format uses a hidden bit, explicitly add it in now. Otherwise, | |
2560 | increment the exponent by one to account for the integer bit. */ | |
2561 | ||
2562 | if (!special_exponent) | |
7a292a7a SS |
2563 | { |
2564 | if (fmt->intbit == floatformat_intbit_no) | |
2565 | dto = ldexp (1.0, exponent); | |
2566 | else | |
2567 | exponent++; | |
2568 | } | |
c906108c SS |
2569 | |
2570 | while (mant_bits_left > 0) | |
2571 | { | |
2572 | mant_bits = min (mant_bits_left, 32); | |
2573 | ||
2574 | mant = get_field (ufrom, fmt->byteorder, fmt->totalsize, | |
c5aa993b | 2575 | mant_off, mant_bits); |
c906108c | 2576 | |
c5aa993b | 2577 | dto += ldexp ((double) mant, exponent - mant_bits); |
c906108c SS |
2578 | exponent -= mant_bits; |
2579 | mant_off += mant_bits; | |
2580 | mant_bits_left -= mant_bits; | |
2581 | } | |
2582 | ||
2583 | /* Negate it if negative. */ | |
2584 | if (get_field (ufrom, fmt->byteorder, fmt->totalsize, fmt->sign_start, 1)) | |
2585 | dto = -dto; | |
2586 | *to = dto; | |
2587 | } | |
2588 | \f | |
2589 | static void put_field PARAMS ((unsigned char *, enum floatformat_byteorders, | |
2590 | unsigned int, | |
2591 | unsigned int, | |
2592 | unsigned int, | |
2593 | unsigned long)); | |
2594 | ||
2595 | /* Set a field which starts at START and is LEN bytes long. DATA and | |
2596 | TOTAL_LEN are the thing we are extracting it from, in byteorder ORDER. */ | |
2597 | static void | |
2598 | put_field (data, order, total_len, start, len, stuff_to_put) | |
2599 | unsigned char *data; | |
2600 | enum floatformat_byteorders order; | |
2601 | unsigned int total_len; | |
2602 | unsigned int start; | |
2603 | unsigned int len; | |
2604 | unsigned long stuff_to_put; | |
2605 | { | |
2606 | unsigned int cur_byte; | |
2607 | int cur_bitshift; | |
2608 | ||
2609 | /* Start at the least significant part of the field. */ | |
c906108c | 2610 | if (order == floatformat_little || order == floatformat_littlebyte_bigword) |
0fda6bd2 JM |
2611 | { |
2612 | int excess = FLOATFORMAT_CHAR_BIT - (total_len % FLOATFORMAT_CHAR_BIT); | |
2613 | cur_byte = (total_len / FLOATFORMAT_CHAR_BIT) | |
2614 | - ((start + len + excess) / FLOATFORMAT_CHAR_BIT); | |
2615 | cur_bitshift = ((start + len + excess) % FLOATFORMAT_CHAR_BIT) | |
2616 | - FLOATFORMAT_CHAR_BIT; | |
2617 | } | |
2618 | else | |
2619 | { | |
2620 | cur_byte = (start + len) / FLOATFORMAT_CHAR_BIT; | |
2621 | cur_bitshift = | |
2622 | ((start + len) % FLOATFORMAT_CHAR_BIT) - FLOATFORMAT_CHAR_BIT; | |
2623 | } | |
2624 | if (cur_bitshift > -FLOATFORMAT_CHAR_BIT) | |
2625 | { | |
2626 | *(data + cur_byte) &= | |
2627 | ~(((1 << ((start + len) % FLOATFORMAT_CHAR_BIT)) - 1) | |
2628 | << (-cur_bitshift)); | |
2629 | *(data + cur_byte) |= | |
2630 | (stuff_to_put & ((1 << FLOATFORMAT_CHAR_BIT) - 1)) << (-cur_bitshift); | |
2631 | } | |
c906108c SS |
2632 | cur_bitshift += FLOATFORMAT_CHAR_BIT; |
2633 | if (order == floatformat_little || order == floatformat_littlebyte_bigword) | |
2634 | ++cur_byte; | |
2635 | else | |
2636 | --cur_byte; | |
2637 | ||
2638 | /* Move towards the most significant part of the field. */ | |
2639 | while (cur_bitshift < len) | |
2640 | { | |
2641 | if (len - cur_bitshift < FLOATFORMAT_CHAR_BIT) | |
2642 | { | |
2643 | /* This is the last byte. */ | |
2644 | *(data + cur_byte) &= | |
2645 | ~((1 << (len - cur_bitshift)) - 1); | |
2646 | *(data + cur_byte) |= (stuff_to_put >> cur_bitshift); | |
2647 | } | |
2648 | else | |
2649 | *(data + cur_byte) = ((stuff_to_put >> cur_bitshift) | |
2650 | & ((1 << FLOATFORMAT_CHAR_BIT) - 1)); | |
2651 | cur_bitshift += FLOATFORMAT_CHAR_BIT; | |
2652 | if (order == floatformat_little || order == floatformat_littlebyte_bigword) | |
2653 | ++cur_byte; | |
2654 | else | |
2655 | --cur_byte; | |
2656 | } | |
2657 | } | |
2658 | ||
2659 | #ifdef HAVE_LONG_DOUBLE | |
2660 | /* Return the fractional part of VALUE, and put the exponent of VALUE in *EPTR. | |
2661 | The range of the returned value is >= 0.5 and < 1.0. This is equivalent to | |
2662 | frexp, but operates on the long double data type. */ | |
2663 | ||
2664 | static long double ldfrexp PARAMS ((long double value, int *eptr)); | |
2665 | ||
2666 | static long double | |
2667 | ldfrexp (value, eptr) | |
2668 | long double value; | |
2669 | int *eptr; | |
2670 | { | |
2671 | long double tmp; | |
2672 | int exp; | |
2673 | ||
2674 | /* Unfortunately, there are no portable functions for extracting the exponent | |
2675 | of a long double, so we have to do it iteratively by multiplying or dividing | |
2676 | by two until the fraction is between 0.5 and 1.0. */ | |
2677 | ||
2678 | if (value < 0.0l) | |
2679 | value = -value; | |
2680 | ||
2681 | tmp = 1.0l; | |
2682 | exp = 0; | |
2683 | ||
2684 | if (value >= tmp) /* Value >= 1.0 */ | |
2685 | while (value >= tmp) | |
2686 | { | |
2687 | tmp *= 2.0l; | |
2688 | exp++; | |
2689 | } | |
2690 | else if (value != 0.0l) /* Value < 1.0 and > 0.0 */ | |
2691 | { | |
2692 | while (value < tmp) | |
2693 | { | |
2694 | tmp /= 2.0l; | |
2695 | exp--; | |
2696 | } | |
2697 | tmp *= 2.0l; | |
2698 | exp++; | |
2699 | } | |
2700 | ||
2701 | *eptr = exp; | |
c5aa993b | 2702 | return value / tmp; |
c906108c SS |
2703 | } |
2704 | #endif /* HAVE_LONG_DOUBLE */ | |
2705 | ||
2706 | ||
2707 | /* The converse: convert the DOUBLEST *FROM to an extended float | |
2708 | and store where TO points. Neither FROM nor TO have any alignment | |
2709 | restrictions. */ | |
2710 | ||
2711 | void | |
2712 | floatformat_from_doublest (fmt, from, to) | |
2713 | CONST struct floatformat *fmt; | |
2714 | DOUBLEST *from; | |
2715 | char *to; | |
2716 | { | |
2717 | DOUBLEST dfrom; | |
2718 | int exponent; | |
2719 | DOUBLEST mant; | |
2720 | unsigned int mant_bits, mant_off; | |
2721 | int mant_bits_left; | |
c5aa993b | 2722 | unsigned char *uto = (unsigned char *) to; |
c906108c SS |
2723 | |
2724 | memcpy (&dfrom, from, sizeof (dfrom)); | |
ba8966d6 KB |
2725 | memset (uto, 0, (fmt->totalsize + FLOATFORMAT_CHAR_BIT - 1) |
2726 | / FLOATFORMAT_CHAR_BIT); | |
c906108c SS |
2727 | if (dfrom == 0) |
2728 | return; /* Result is zero */ | |
2729 | if (dfrom != dfrom) /* Result is NaN */ | |
2730 | { | |
2731 | /* From is NaN */ | |
2732 | put_field (uto, fmt->byteorder, fmt->totalsize, fmt->exp_start, | |
2733 | fmt->exp_len, fmt->exp_nan); | |
2734 | /* Be sure it's not infinity, but NaN value is irrel */ | |
2735 | put_field (uto, fmt->byteorder, fmt->totalsize, fmt->man_start, | |
2736 | 32, 1); | |
2737 | return; | |
2738 | } | |
2739 | ||
2740 | /* If negative, set the sign bit. */ | |
2741 | if (dfrom < 0) | |
2742 | { | |
2743 | put_field (uto, fmt->byteorder, fmt->totalsize, fmt->sign_start, 1, 1); | |
2744 | dfrom = -dfrom; | |
2745 | } | |
2746 | ||
2747 | if (dfrom + dfrom == dfrom && dfrom != 0.0) /* Result is Infinity */ | |
2748 | { | |
2749 | /* Infinity exponent is same as NaN's. */ | |
2750 | put_field (uto, fmt->byteorder, fmt->totalsize, fmt->exp_start, | |
2751 | fmt->exp_len, fmt->exp_nan); | |
2752 | /* Infinity mantissa is all zeroes. */ | |
2753 | put_field (uto, fmt->byteorder, fmt->totalsize, fmt->man_start, | |
2754 | fmt->man_len, 0); | |
2755 | return; | |
2756 | } | |
2757 | ||
2758 | #ifdef HAVE_LONG_DOUBLE | |
2759 | mant = ldfrexp (dfrom, &exponent); | |
2760 | #else | |
2761 | mant = frexp (dfrom, &exponent); | |
2762 | #endif | |
2763 | ||
2764 | put_field (uto, fmt->byteorder, fmt->totalsize, fmt->exp_start, fmt->exp_len, | |
2765 | exponent + fmt->exp_bias - 1); | |
2766 | ||
2767 | mant_bits_left = fmt->man_len; | |
2768 | mant_off = fmt->man_start; | |
2769 | while (mant_bits_left > 0) | |
2770 | { | |
2771 | unsigned long mant_long; | |
2772 | mant_bits = mant_bits_left < 32 ? mant_bits_left : 32; | |
2773 | ||
2774 | mant *= 4294967296.0; | |
ba8966d6 | 2775 | mant_long = ((unsigned long) mant) & 0xffffffffL; |
c906108c SS |
2776 | mant -= mant_long; |
2777 | ||
2778 | /* If the integer bit is implicit, then we need to discard it. | |
c5aa993b JM |
2779 | If we are discarding a zero, we should be (but are not) creating |
2780 | a denormalized number which means adjusting the exponent | |
2781 | (I think). */ | |
c906108c SS |
2782 | if (mant_bits_left == fmt->man_len |
2783 | && fmt->intbit == floatformat_intbit_no) | |
2784 | { | |
2785 | mant_long <<= 1; | |
ba8966d6 | 2786 | mant_long &= 0xffffffffL; |
c906108c SS |
2787 | mant_bits -= 1; |
2788 | } | |
2789 | ||
2790 | if (mant_bits < 32) | |
2791 | { | |
2792 | /* The bits we want are in the most significant MANT_BITS bits of | |
2793 | mant_long. Move them to the least significant. */ | |
2794 | mant_long >>= 32 - mant_bits; | |
2795 | } | |
2796 | ||
2797 | put_field (uto, fmt->byteorder, fmt->totalsize, | |
2798 | mant_off, mant_bits, mant_long); | |
2799 | mant_off += mant_bits; | |
2800 | mant_bits_left -= mant_bits; | |
2801 | } | |
c5aa993b | 2802 | if (fmt->byteorder == floatformat_littlebyte_bigword) |
c906108c SS |
2803 | { |
2804 | int count; | |
2805 | unsigned char *swaplow = uto; | |
2806 | unsigned char *swaphigh = uto + 4; | |
2807 | unsigned char tmp; | |
2808 | ||
2809 | for (count = 0; count < 4; count++) | |
2810 | { | |
2811 | tmp = *swaplow; | |
2812 | *swaplow++ = *swaphigh; | |
2813 | *swaphigh++ = tmp; | |
2814 | } | |
2815 | } | |
2816 | } | |
2817 | ||
2818 | /* temporary storage using circular buffer */ | |
2819 | #define NUMCELLS 16 | |
2820 | #define CELLSIZE 32 | |
c5aa993b JM |
2821 | static char * |
2822 | get_cell () | |
c906108c SS |
2823 | { |
2824 | static char buf[NUMCELLS][CELLSIZE]; | |
c5aa993b JM |
2825 | static int cell = 0; |
2826 | if (++cell >= NUMCELLS) | |
2827 | cell = 0; | |
c906108c SS |
2828 | return buf[cell]; |
2829 | } | |
2830 | ||
2831 | /* print routines to handle variable size regs, etc. | |
2832 | ||
2833 | FIXME: Note that t_addr is a bfd_vma, which is currently either an | |
2834 | unsigned long or unsigned long long, determined at configure time. | |
2835 | If t_addr is an unsigned long long and sizeof (unsigned long long) | |
2836 | is greater than sizeof (unsigned long), then I believe this code will | |
2837 | probably lose, at least for little endian machines. I believe that | |
2838 | it would also be better to eliminate the switch on the absolute size | |
2839 | of t_addr and replace it with a sequence of if statements that compare | |
2840 | sizeof t_addr with sizeof the various types and do the right thing, | |
2841 | which includes knowing whether or not the host supports long long. | |
2842 | -fnf | |
2843 | ||
2844 | */ | |
2845 | ||
d4f3574e SS |
2846 | int |
2847 | strlen_paddr (void) | |
2848 | { | |
2849 | return (TARGET_PTR_BIT / 8 * 2); | |
2850 | } | |
2851 | ||
2852 | ||
104c1213 JM |
2853 | /* eliminate warning from compiler on 32-bit systems */ |
2854 | static int thirty_two = 32; | |
c906108c | 2855 | |
c5aa993b | 2856 | char * |
104c1213 | 2857 | paddr (CORE_ADDR addr) |
c906108c | 2858 | { |
c5aa993b | 2859 | char *paddr_str = get_cell (); |
104c1213 | 2860 | switch (TARGET_PTR_BIT / 8) |
c906108c | 2861 | { |
c5aa993b JM |
2862 | case 8: |
2863 | sprintf (paddr_str, "%08lx%08lx", | |
2864 | (unsigned long) (addr >> thirty_two), (unsigned long) (addr & 0xffffffff)); | |
2865 | break; | |
2866 | case 4: | |
2867 | sprintf (paddr_str, "%08lx", (unsigned long) addr); | |
2868 | break; | |
2869 | case 2: | |
2870 | sprintf (paddr_str, "%04x", (unsigned short) (addr & 0xffff)); | |
2871 | break; | |
2872 | default: | |
2873 | sprintf (paddr_str, "%lx", (unsigned long) addr); | |
c906108c SS |
2874 | } |
2875 | return paddr_str; | |
2876 | } | |
2877 | ||
c5aa993b | 2878 | char * |
104c1213 | 2879 | paddr_nz (CORE_ADDR addr) |
c906108c | 2880 | { |
c5aa993b | 2881 | char *paddr_str = get_cell (); |
104c1213 | 2882 | switch (TARGET_PTR_BIT / 8) |
c906108c | 2883 | { |
c5aa993b JM |
2884 | case 8: |
2885 | { | |
2886 | unsigned long high = (unsigned long) (addr >> thirty_two); | |
2887 | if (high == 0) | |
2888 | sprintf (paddr_str, "%lx", (unsigned long) (addr & 0xffffffff)); | |
2889 | else | |
2890 | sprintf (paddr_str, "%lx%08lx", | |
2891 | high, (unsigned long) (addr & 0xffffffff)); | |
c906108c | 2892 | break; |
c5aa993b JM |
2893 | } |
2894 | case 4: | |
2895 | sprintf (paddr_str, "%lx", (unsigned long) addr); | |
2896 | break; | |
2897 | case 2: | |
2898 | sprintf (paddr_str, "%x", (unsigned short) (addr & 0xffff)); | |
2899 | break; | |
2900 | default: | |
2901 | sprintf (paddr_str, "%lx", (unsigned long) addr); | |
c906108c SS |
2902 | } |
2903 | return paddr_str; | |
2904 | } | |
2905 | ||
104c1213 JM |
2906 | static void |
2907 | decimal2str (char *paddr_str, char *sign, ULONGEST addr) | |
2908 | { | |
2909 | /* steal code from valprint.c:print_decimal(). Should this worry | |
2910 | about the real size of addr as the above does? */ | |
2911 | unsigned long temp[3]; | |
2912 | int i = 0; | |
2913 | do | |
2914 | { | |
2915 | temp[i] = addr % (1000 * 1000 * 1000); | |
2916 | addr /= (1000 * 1000 * 1000); | |
2917 | i++; | |
2918 | } | |
2919 | while (addr != 0 && i < (sizeof (temp) / sizeof (temp[0]))); | |
2920 | switch (i) | |
2921 | { | |
2922 | case 1: | |
2923 | sprintf (paddr_str, "%s%lu", | |
2924 | sign, temp[0]); | |
2925 | break; | |
2926 | case 2: | |
2927 | sprintf (paddr_str, "%s%lu%09lu", | |
2928 | sign, temp[1], temp[0]); | |
2929 | break; | |
2930 | case 3: | |
2931 | sprintf (paddr_str, "%s%lu%09lu%09lu", | |
2932 | sign, temp[2], temp[1], temp[0]); | |
2933 | break; | |
2934 | default: | |
2935 | abort (); | |
2936 | } | |
2937 | } | |
2938 | ||
2939 | char * | |
2940 | paddr_u (CORE_ADDR addr) | |
2941 | { | |
2942 | char *paddr_str = get_cell (); | |
2943 | decimal2str (paddr_str, "", addr); | |
2944 | return paddr_str; | |
2945 | } | |
2946 | ||
2947 | char * | |
2948 | paddr_d (LONGEST addr) | |
2949 | { | |
2950 | char *paddr_str = get_cell (); | |
2951 | if (addr < 0) | |
2952 | decimal2str (paddr_str, "-", -addr); | |
2953 | else | |
2954 | decimal2str (paddr_str, "", addr); | |
2955 | return paddr_str; | |
2956 | } | |
2957 | ||
2958 | char * | |
2959 | preg (reg) | |
2960 | t_reg reg; | |
2961 | { | |
2962 | char *preg_str = get_cell (); | |
2963 | switch (sizeof (t_reg)) | |
2964 | { | |
2965 | case 8: | |
2966 | sprintf (preg_str, "%08lx%08lx", | |
2967 | (unsigned long) (reg >> thirty_two), (unsigned long) (reg & 0xffffffff)); | |
2968 | break; | |
2969 | case 4: | |
2970 | sprintf (preg_str, "%08lx", (unsigned long) reg); | |
2971 | break; | |
2972 | case 2: | |
2973 | sprintf (preg_str, "%04x", (unsigned short) (reg & 0xffff)); | |
2974 | break; | |
2975 | default: | |
2976 | sprintf (preg_str, "%lx", (unsigned long) reg); | |
2977 | } | |
2978 | return preg_str; | |
2979 | } | |
2980 | ||
c5aa993b JM |
2981 | char * |
2982 | preg_nz (reg) | |
2983 | t_reg reg; | |
c906108c | 2984 | { |
c5aa993b JM |
2985 | char *preg_str = get_cell (); |
2986 | switch (sizeof (t_reg)) | |
c906108c | 2987 | { |
c5aa993b JM |
2988 | case 8: |
2989 | { | |
2990 | unsigned long high = (unsigned long) (reg >> thirty_two); | |
2991 | if (high == 0) | |
2992 | sprintf (preg_str, "%lx", (unsigned long) (reg & 0xffffffff)); | |
2993 | else | |
2994 | sprintf (preg_str, "%lx%08lx", | |
2995 | high, (unsigned long) (reg & 0xffffffff)); | |
c906108c | 2996 | break; |
c5aa993b JM |
2997 | } |
2998 | case 4: | |
2999 | sprintf (preg_str, "%lx", (unsigned long) reg); | |
3000 | break; | |
3001 | case 2: | |
3002 | sprintf (preg_str, "%x", (unsigned short) (reg & 0xffff)); | |
3003 | break; | |
3004 | default: | |
3005 | sprintf (preg_str, "%lx", (unsigned long) reg); | |
c906108c SS |
3006 | } |
3007 | return preg_str; | |
3008 | } | |
392a587b JM |
3009 | |
3010 | /* Helper functions for INNER_THAN */ | |
3011 | int | |
3012 | core_addr_lessthan (lhs, rhs) | |
3013 | CORE_ADDR lhs; | |
3014 | CORE_ADDR rhs; | |
3015 | { | |
3016 | return (lhs < rhs); | |
3017 | } | |
3018 | ||
3019 | int | |
3020 | core_addr_greaterthan (lhs, rhs) | |
3021 | CORE_ADDR lhs; | |
3022 | CORE_ADDR rhs; | |
3023 | { | |
3024 | return (lhs > rhs); | |
3025 | } |