]>
Commit | Line | Data |
---|---|---|
c906108c SS |
1 | /* General utility routines for GDB, the GNU debugger. |
2 | Copyright 1986, 89, 90, 91, 92, 95, 96, 1998 Free Software Foundation, Inc. | |
3 | ||
c5aa993b | 4 | This file is part of GDB. |
c906108c | 5 | |
c5aa993b JM |
6 | This program is free software; you can redistribute it and/or modify |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2 of the License, or | |
9 | (at your option) any later version. | |
c906108c | 10 | |
c5aa993b JM |
11 | This program is distributed in the hope that it will be useful, |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
c906108c | 15 | |
c5aa993b JM |
16 | You should have received a copy of the GNU General Public License |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
20 | |
21 | #include "defs.h" | |
22 | #include <ctype.h> | |
23 | #include "gdb_string.h" | |
c2c6d25f | 24 | #include "event-top.h" |
c906108c SS |
25 | |
26 | #ifdef HAVE_CURSES_H | |
27 | #include <curses.h> | |
28 | #endif | |
29 | #ifdef HAVE_TERM_H | |
30 | #include <term.h> | |
31 | #endif | |
32 | ||
33 | /* SunOS's curses.h has a '#define reg register' in it. Thank you Sun. */ | |
34 | #ifdef reg | |
35 | #undef reg | |
36 | #endif | |
37 | ||
38 | #include "signals.h" | |
39 | #include "gdbcmd.h" | |
40 | #include "serial.h" | |
41 | #include "bfd.h" | |
42 | #include "target.h" | |
43 | #include "demangle.h" | |
44 | #include "expression.h" | |
45 | #include "language.h" | |
46 | #include "annotate.h" | |
47 | ||
48 | #include <readline/readline.h> | |
49 | ||
917317f4 JM |
50 | #undef XMALLOC |
51 | #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE))) | |
52 | ||
c906108c SS |
53 | /* readline defines this. */ |
54 | #undef savestring | |
55 | ||
56 | void (*error_begin_hook) PARAMS ((void)); | |
57 | ||
2acceee2 JM |
58 | /* Holds the last error message issued by gdb */ |
59 | ||
60 | static GDB_FILE *gdb_lasterr; | |
61 | ||
c906108c SS |
62 | /* Prototypes for local functions */ |
63 | ||
64 | static void vfprintf_maybe_filtered PARAMS ((GDB_FILE *, const char *, | |
65 | va_list, int)); | |
66 | ||
67 | static void fputs_maybe_filtered PARAMS ((const char *, GDB_FILE *, int)); | |
68 | ||
69 | #if defined (USE_MMALLOC) && !defined (NO_MMCHECK) | |
70 | static void malloc_botch PARAMS ((void)); | |
71 | #endif | |
72 | ||
c906108c SS |
73 | static void |
74 | prompt_for_continue PARAMS ((void)); | |
75 | ||
c5aa993b | 76 | static void |
c906108c SS |
77 | set_width_command PARAMS ((char *, int, struct cmd_list_element *)); |
78 | ||
79 | static void | |
80 | set_width PARAMS ((void)); | |
81 | ||
c906108c | 82 | #ifndef GDB_FILE_ISATTY |
c5aa993b | 83 | #define GDB_FILE_ISATTY(GDB_FILE_PTR) (gdb_file_isatty(GDB_FILE_PTR)) |
c906108c SS |
84 | #endif |
85 | ||
86 | /* Chain of cleanup actions established with make_cleanup, | |
87 | to be executed if an error happens. */ | |
88 | ||
c5aa993b JM |
89 | static struct cleanup *cleanup_chain; /* cleaned up after a failed command */ |
90 | static struct cleanup *final_cleanup_chain; /* cleaned up when gdb exits */ | |
91 | static struct cleanup *run_cleanup_chain; /* cleaned up on each 'run' */ | |
92 | static struct cleanup *exec_cleanup_chain; /* cleaned up on each execution command */ | |
6426a772 JM |
93 | /* cleaned up on each error from within an execution command */ |
94 | static struct cleanup *exec_error_cleanup_chain; | |
43ff13b4 JM |
95 | |
96 | /* Pointer to what is left to do for an execution command after the | |
97 | target stops. Used only in asynchronous mode, by targets that | |
98 | support async execution. The finish and until commands use it. So | |
99 | does the target extended-remote command. */ | |
100 | struct continuation *cmd_continuation; | |
c906108c SS |
101 | |
102 | /* Nonzero if we have job control. */ | |
103 | ||
104 | int job_control; | |
105 | ||
106 | /* Nonzero means a quit has been requested. */ | |
107 | ||
108 | int quit_flag; | |
109 | ||
110 | /* Nonzero means quit immediately if Control-C is typed now, rather | |
111 | than waiting until QUIT is executed. Be careful in setting this; | |
112 | code which executes with immediate_quit set has to be very careful | |
113 | about being able to deal with being interrupted at any time. It is | |
114 | almost always better to use QUIT; the only exception I can think of | |
115 | is being able to quit out of a system call (using EINTR loses if | |
116 | the SIGINT happens between the previous QUIT and the system call). | |
117 | To immediately quit in the case in which a SIGINT happens between | |
118 | the previous QUIT and setting immediate_quit (desirable anytime we | |
119 | expect to block), call QUIT after setting immediate_quit. */ | |
120 | ||
121 | int immediate_quit; | |
122 | ||
123 | /* Nonzero means that encoded C++ names should be printed out in their | |
124 | C++ form rather than raw. */ | |
125 | ||
126 | int demangle = 1; | |
127 | ||
128 | /* Nonzero means that encoded C++ names should be printed out in their | |
129 | C++ form even in assembler language displays. If this is set, but | |
130 | DEMANGLE is zero, names are printed raw, i.e. DEMANGLE controls. */ | |
131 | ||
132 | int asm_demangle = 0; | |
133 | ||
134 | /* Nonzero means that strings with character values >0x7F should be printed | |
135 | as octal escapes. Zero means just print the value (e.g. it's an | |
136 | international character, and the terminal or window can cope.) */ | |
137 | ||
138 | int sevenbit_strings = 0; | |
139 | ||
140 | /* String to be printed before error messages, if any. */ | |
141 | ||
142 | char *error_pre_print; | |
143 | ||
144 | /* String to be printed before quit messages, if any. */ | |
145 | ||
146 | char *quit_pre_print; | |
147 | ||
148 | /* String to be printed before warning messages, if any. */ | |
149 | ||
150 | char *warning_pre_print = "\nwarning: "; | |
151 | ||
152 | int pagination_enabled = 1; | |
c906108c | 153 | \f |
c5aa993b | 154 | |
c906108c SS |
155 | /* Add a new cleanup to the cleanup_chain, |
156 | and return the previous chain pointer | |
157 | to be passed later to do_cleanups or discard_cleanups. | |
158 | Args are FUNCTION to clean up with, and ARG to pass to it. */ | |
159 | ||
160 | struct cleanup * | |
161 | make_cleanup (function, arg) | |
162 | void (*function) PARAMS ((PTR)); | |
163 | PTR arg; | |
164 | { | |
c5aa993b | 165 | return make_my_cleanup (&cleanup_chain, function, arg); |
c906108c SS |
166 | } |
167 | ||
168 | struct cleanup * | |
169 | make_final_cleanup (function, arg) | |
170 | void (*function) PARAMS ((PTR)); | |
171 | PTR arg; | |
172 | { | |
c5aa993b | 173 | return make_my_cleanup (&final_cleanup_chain, function, arg); |
c906108c | 174 | } |
7a292a7a | 175 | |
c906108c SS |
176 | struct cleanup * |
177 | make_run_cleanup (function, arg) | |
178 | void (*function) PARAMS ((PTR)); | |
179 | PTR arg; | |
180 | { | |
c5aa993b | 181 | return make_my_cleanup (&run_cleanup_chain, function, arg); |
c906108c | 182 | } |
7a292a7a | 183 | |
43ff13b4 JM |
184 | struct cleanup * |
185 | make_exec_cleanup (function, arg) | |
186 | void (*function) PARAMS ((PTR)); | |
187 | PTR arg; | |
188 | { | |
c5aa993b | 189 | return make_my_cleanup (&exec_cleanup_chain, function, arg); |
43ff13b4 JM |
190 | } |
191 | ||
6426a772 JM |
192 | struct cleanup * |
193 | make_exec_error_cleanup (function, arg) | |
194 | void (*function) PARAMS ((PTR)); | |
195 | PTR arg; | |
196 | { | |
197 | return make_my_cleanup (&exec_error_cleanup_chain, function, arg); | |
198 | } | |
199 | ||
7a292a7a SS |
200 | static void |
201 | do_freeargv (arg) | |
202 | void *arg; | |
203 | { | |
c5aa993b | 204 | freeargv ((char **) arg); |
7a292a7a SS |
205 | } |
206 | ||
207 | struct cleanup * | |
208 | make_cleanup_freeargv (arg) | |
209 | char **arg; | |
210 | { | |
211 | return make_my_cleanup (&cleanup_chain, do_freeargv, arg); | |
212 | } | |
213 | ||
11cf8741 JM |
214 | static void |
215 | do_gdb_file_delete (void *arg) | |
216 | { | |
217 | gdb_file_delete (arg); | |
218 | } | |
219 | ||
220 | struct cleanup * | |
221 | make_cleanup_gdb_file_delete (struct gdb_file *arg) | |
222 | { | |
223 | return make_my_cleanup (&cleanup_chain, do_gdb_file_delete, arg); | |
224 | } | |
225 | ||
c906108c SS |
226 | struct cleanup * |
227 | make_my_cleanup (pmy_chain, function, arg) | |
228 | struct cleanup **pmy_chain; | |
229 | void (*function) PARAMS ((PTR)); | |
230 | PTR arg; | |
231 | { | |
232 | register struct cleanup *new | |
c5aa993b | 233 | = (struct cleanup *) xmalloc (sizeof (struct cleanup)); |
c906108c SS |
234 | register struct cleanup *old_chain = *pmy_chain; |
235 | ||
236 | new->next = *pmy_chain; | |
237 | new->function = function; | |
238 | new->arg = arg; | |
239 | *pmy_chain = new; | |
240 | ||
241 | return old_chain; | |
242 | } | |
243 | ||
244 | /* Discard cleanups and do the actions they describe | |
245 | until we get back to the point OLD_CHAIN in the cleanup_chain. */ | |
246 | ||
247 | void | |
248 | do_cleanups (old_chain) | |
249 | register struct cleanup *old_chain; | |
250 | { | |
c5aa993b | 251 | do_my_cleanups (&cleanup_chain, old_chain); |
c906108c SS |
252 | } |
253 | ||
254 | void | |
255 | do_final_cleanups (old_chain) | |
256 | register struct cleanup *old_chain; | |
257 | { | |
c5aa993b | 258 | do_my_cleanups (&final_cleanup_chain, old_chain); |
c906108c SS |
259 | } |
260 | ||
261 | void | |
262 | do_run_cleanups (old_chain) | |
263 | register struct cleanup *old_chain; | |
264 | { | |
c5aa993b | 265 | do_my_cleanups (&run_cleanup_chain, old_chain); |
c906108c SS |
266 | } |
267 | ||
43ff13b4 JM |
268 | void |
269 | do_exec_cleanups (old_chain) | |
270 | register struct cleanup *old_chain; | |
271 | { | |
c5aa993b | 272 | do_my_cleanups (&exec_cleanup_chain, old_chain); |
43ff13b4 JM |
273 | } |
274 | ||
6426a772 JM |
275 | void |
276 | do_exec_error_cleanups (old_chain) | |
277 | register struct cleanup *old_chain; | |
278 | { | |
279 | do_my_cleanups (&exec_error_cleanup_chain, old_chain); | |
280 | } | |
281 | ||
c906108c SS |
282 | void |
283 | do_my_cleanups (pmy_chain, old_chain) | |
284 | register struct cleanup **pmy_chain; | |
285 | register struct cleanup *old_chain; | |
286 | { | |
287 | register struct cleanup *ptr; | |
288 | while ((ptr = *pmy_chain) != old_chain) | |
289 | { | |
290 | *pmy_chain = ptr->next; /* Do this first incase recursion */ | |
291 | (*ptr->function) (ptr->arg); | |
292 | free (ptr); | |
293 | } | |
294 | } | |
295 | ||
296 | /* Discard cleanups, not doing the actions they describe, | |
297 | until we get back to the point OLD_CHAIN in the cleanup_chain. */ | |
298 | ||
299 | void | |
300 | discard_cleanups (old_chain) | |
301 | register struct cleanup *old_chain; | |
302 | { | |
c5aa993b | 303 | discard_my_cleanups (&cleanup_chain, old_chain); |
c906108c SS |
304 | } |
305 | ||
306 | void | |
307 | discard_final_cleanups (old_chain) | |
308 | register struct cleanup *old_chain; | |
309 | { | |
c5aa993b | 310 | discard_my_cleanups (&final_cleanup_chain, old_chain); |
c906108c SS |
311 | } |
312 | ||
6426a772 JM |
313 | void |
314 | discard_exec_error_cleanups (old_chain) | |
315 | register struct cleanup *old_chain; | |
316 | { | |
317 | discard_my_cleanups (&exec_error_cleanup_chain, old_chain); | |
318 | } | |
319 | ||
c906108c SS |
320 | void |
321 | discard_my_cleanups (pmy_chain, old_chain) | |
322 | register struct cleanup **pmy_chain; | |
323 | register struct cleanup *old_chain; | |
324 | { | |
325 | register struct cleanup *ptr; | |
326 | while ((ptr = *pmy_chain) != old_chain) | |
327 | { | |
328 | *pmy_chain = ptr->next; | |
c5aa993b | 329 | free ((PTR) ptr); |
c906108c SS |
330 | } |
331 | } | |
332 | ||
333 | /* Set the cleanup_chain to 0, and return the old cleanup chain. */ | |
334 | struct cleanup * | |
335 | save_cleanups () | |
336 | { | |
c5aa993b | 337 | return save_my_cleanups (&cleanup_chain); |
c906108c SS |
338 | } |
339 | ||
340 | struct cleanup * | |
341 | save_final_cleanups () | |
342 | { | |
c5aa993b | 343 | return save_my_cleanups (&final_cleanup_chain); |
c906108c SS |
344 | } |
345 | ||
346 | struct cleanup * | |
347 | save_my_cleanups (pmy_chain) | |
c5aa993b | 348 | struct cleanup **pmy_chain; |
c906108c SS |
349 | { |
350 | struct cleanup *old_chain = *pmy_chain; | |
351 | ||
352 | *pmy_chain = 0; | |
353 | return old_chain; | |
354 | } | |
355 | ||
356 | /* Restore the cleanup chain from a previously saved chain. */ | |
357 | void | |
358 | restore_cleanups (chain) | |
359 | struct cleanup *chain; | |
360 | { | |
c5aa993b | 361 | restore_my_cleanups (&cleanup_chain, chain); |
c906108c SS |
362 | } |
363 | ||
364 | void | |
365 | restore_final_cleanups (chain) | |
366 | struct cleanup *chain; | |
367 | { | |
c5aa993b | 368 | restore_my_cleanups (&final_cleanup_chain, chain); |
c906108c SS |
369 | } |
370 | ||
371 | void | |
372 | restore_my_cleanups (pmy_chain, chain) | |
373 | struct cleanup **pmy_chain; | |
374 | struct cleanup *chain; | |
375 | { | |
376 | *pmy_chain = chain; | |
377 | } | |
378 | ||
379 | /* This function is useful for cleanups. | |
380 | Do | |
381 | ||
c5aa993b JM |
382 | foo = xmalloc (...); |
383 | old_chain = make_cleanup (free_current_contents, &foo); | |
c906108c SS |
384 | |
385 | to arrange to free the object thus allocated. */ | |
386 | ||
387 | void | |
388 | free_current_contents (location) | |
389 | char **location; | |
390 | { | |
391 | free (*location); | |
392 | } | |
393 | ||
394 | /* Provide a known function that does nothing, to use as a base for | |
395 | for a possibly long chain of cleanups. This is useful where we | |
396 | use the cleanup chain for handling normal cleanups as well as dealing | |
397 | with cleanups that need to be done as a result of a call to error(). | |
398 | In such cases, we may not be certain where the first cleanup is, unless | |
399 | we have a do-nothing one to always use as the base. */ | |
400 | ||
401 | /* ARGSUSED */ | |
402 | void | |
403 | null_cleanup (arg) | |
c5aa993b | 404 | PTR arg; |
c906108c SS |
405 | { |
406 | } | |
407 | ||
43ff13b4 JM |
408 | /* Add a continuation to the continuation list, the gloabl list |
409 | cmd_continuation. */ | |
410 | void | |
411 | add_continuation (continuation_hook, arg_list) | |
c5aa993b JM |
412 | void (*continuation_hook) PARAMS ((struct continuation_arg *)); |
413 | struct continuation_arg *arg_list; | |
43ff13b4 | 414 | { |
c5aa993b | 415 | struct continuation *continuation_ptr; |
43ff13b4 | 416 | |
c5aa993b JM |
417 | continuation_ptr = (struct continuation *) xmalloc (sizeof (struct continuation)); |
418 | continuation_ptr->continuation_hook = continuation_hook; | |
419 | continuation_ptr->arg_list = arg_list; | |
420 | continuation_ptr->next = cmd_continuation; | |
421 | cmd_continuation = continuation_ptr; | |
43ff13b4 JM |
422 | } |
423 | ||
424 | /* Walk down the cmd_continuation list, and execute all the | |
425 | continuations. */ | |
c5aa993b | 426 | void |
43ff13b4 JM |
427 | do_all_continuations () |
428 | { | |
c5aa993b | 429 | struct continuation *continuation_ptr; |
43ff13b4 | 430 | |
c5aa993b JM |
431 | while (cmd_continuation) |
432 | { | |
433 | (cmd_continuation->continuation_hook) (cmd_continuation->arg_list); | |
434 | continuation_ptr = cmd_continuation; | |
435 | cmd_continuation = continuation_ptr->next; | |
436 | free (continuation_ptr); | |
437 | } | |
43ff13b4 | 438 | } |
c2c6d25f JM |
439 | |
440 | /* Walk down the cmd_continuation list, and get rid of all the | |
441 | continuations. */ | |
442 | void | |
443 | discard_all_continuations () | |
444 | { | |
445 | struct continuation *continuation_ptr; | |
446 | ||
447 | while (cmd_continuation) | |
448 | { | |
449 | continuation_ptr = cmd_continuation; | |
450 | cmd_continuation = continuation_ptr->next; | |
451 | free (continuation_ptr); | |
452 | } | |
453 | } | |
454 | ||
c906108c | 455 | \f |
c5aa993b | 456 | |
c906108c SS |
457 | /* Print a warning message. Way to use this is to call warning_begin, |
458 | output the warning message (use unfiltered output to gdb_stderr), | |
459 | ending in a newline. There is not currently a warning_end that you | |
460 | call afterwards, but such a thing might be added if it is useful | |
461 | for a GUI to separate warning messages from other output. | |
462 | ||
463 | FIXME: Why do warnings use unfiltered output and errors filtered? | |
464 | Is this anything other than a historical accident? */ | |
465 | ||
466 | void | |
467 | warning_begin () | |
468 | { | |
469 | target_terminal_ours (); | |
c5aa993b | 470 | wrap_here (""); /* Force out any buffered output */ |
c906108c SS |
471 | gdb_flush (gdb_stdout); |
472 | if (warning_pre_print) | |
473 | fprintf_unfiltered (gdb_stderr, warning_pre_print); | |
474 | } | |
475 | ||
476 | /* Print a warning message. | |
477 | The first argument STRING is the warning message, used as a fprintf string, | |
478 | and the remaining args are passed as arguments to it. | |
479 | The primary difference between warnings and errors is that a warning | |
480 | does not force the return to command level. */ | |
481 | ||
c906108c | 482 | void |
c5aa993b | 483 | warning (const char *string,...) |
c906108c SS |
484 | { |
485 | va_list args; | |
c906108c | 486 | va_start (args, string); |
c906108c SS |
487 | if (warning_hook) |
488 | (*warning_hook) (string, args); | |
489 | else | |
c5aa993b JM |
490 | { |
491 | warning_begin (); | |
492 | vfprintf_unfiltered (gdb_stderr, string, args); | |
493 | fprintf_unfiltered (gdb_stderr, "\n"); | |
494 | va_end (args); | |
495 | } | |
c906108c SS |
496 | } |
497 | ||
498 | /* Start the printing of an error message. Way to use this is to call | |
499 | this, output the error message (use filtered output to gdb_stderr | |
500 | (FIXME: Some callers, like memory_error, use gdb_stdout)), ending | |
501 | in a newline, and then call return_to_top_level (RETURN_ERROR). | |
502 | error() provides a convenient way to do this for the special case | |
503 | that the error message can be formatted with a single printf call, | |
504 | but this is more general. */ | |
505 | void | |
506 | error_begin () | |
507 | { | |
508 | if (error_begin_hook) | |
509 | error_begin_hook (); | |
510 | ||
511 | target_terminal_ours (); | |
c5aa993b | 512 | wrap_here (""); /* Force out any buffered output */ |
c906108c SS |
513 | gdb_flush (gdb_stdout); |
514 | ||
515 | annotate_error_begin (); | |
516 | ||
517 | if (error_pre_print) | |
518 | fprintf_filtered (gdb_stderr, error_pre_print); | |
519 | } | |
520 | ||
521 | /* Print an error message and return to command level. | |
522 | The first argument STRING is the error message, used as a fprintf string, | |
523 | and the remaining args are passed as arguments to it. */ | |
524 | ||
c906108c | 525 | NORETURN void |
c5aa993b | 526 | error (const char *string,...) |
c906108c SS |
527 | { |
528 | va_list args; | |
c906108c | 529 | va_start (args, string); |
c906108c SS |
530 | if (error_hook) |
531 | (*error_hook) (); | |
c5aa993b | 532 | else |
c906108c SS |
533 | { |
534 | error_begin (); | |
c906108c | 535 | vfprintf_filtered (gdb_stderr, string, args); |
c906108c | 536 | fprintf_filtered (gdb_stderr, "\n"); |
2acceee2 JM |
537 | /* Save it as the last error as well (no newline) */ |
538 | gdb_file_rewind (gdb_lasterr); | |
539 | vfprintf_filtered (gdb_lasterr, string, args); | |
c906108c SS |
540 | va_end (args); |
541 | return_to_top_level (RETURN_ERROR); | |
542 | } | |
543 | } | |
544 | ||
2acceee2 JM |
545 | /* Allows the error message to be passed on a stream buffer */ |
546 | ||
547 | NORETURN void | |
548 | error_stream (GDB_FILE *stream) | |
549 | { | |
11cf8741 | 550 | error (tui_file_get_strbuf (stream)); |
2acceee2 JM |
551 | } |
552 | ||
553 | /* Get the last error message issued by gdb */ | |
554 | ||
555 | char * | |
556 | error_last_message (void) | |
557 | { | |
11cf8741 | 558 | return (tui_file_get_strbuf (gdb_lasterr)); |
2acceee2 JM |
559 | } |
560 | ||
561 | /* This is to be called by main() at the very beginning */ | |
562 | ||
563 | void | |
564 | error_init (void) | |
565 | { | |
566 | gdb_lasterr = tui_sfileopen (132); | |
567 | } | |
c906108c | 568 | |
96baa820 JM |
569 | /* Print a message reporting an internal error. Ask the user if they |
570 | want to continue, dump core, or just exit. */ | |
c906108c | 571 | |
c906108c | 572 | NORETURN void |
96baa820 | 573 | internal_error (char *string, ...) |
c906108c | 574 | { |
96baa820 JM |
575 | static char msg[] = "Internal GDB error: recursive internal error.\n"; |
576 | static int dejavu = 0; | |
c906108c | 577 | va_list args; |
7be570e7 JM |
578 | int continue_p; |
579 | int dump_core_p; | |
c906108c | 580 | |
96baa820 JM |
581 | /* don't allow infinite error recursion. */ |
582 | switch (dejavu) | |
583 | { | |
584 | case 0: | |
585 | dejavu = 1; | |
586 | break; | |
587 | case 1: | |
588 | dejavu = 2; | |
589 | fputs_unfiltered (msg, gdb_stderr); | |
590 | abort (); | |
591 | default: | |
592 | dejavu = 3; | |
593 | write (STDERR_FILENO, msg, sizeof (msg)); | |
594 | exit (1); | |
595 | } | |
c906108c | 596 | |
96baa820 | 597 | /* Try to get the message out */ |
7be570e7 | 598 | fputs_unfiltered ("gdb-internal-error: ", gdb_stderr); |
c906108c | 599 | va_start (args, string); |
c906108c | 600 | vfprintf_unfiltered (gdb_stderr, string, args); |
c906108c | 601 | va_end (args); |
96baa820 | 602 | fputs_unfiltered ("\n", gdb_stderr); |
c906108c | 603 | |
7be570e7 JM |
604 | /* Default (no case) is to quit GDB. When in batch mode this |
605 | lessens the likelhood of GDB going into an infinate loop. */ | |
606 | continue_p = query ("\ | |
607 | An internal GDB error was detected. This may make make further\n\ | |
608 | debugging unreliable. Continue this debugging session? "); | |
609 | ||
610 | /* Default (no case) is to not dump core. Lessen the chance of GDB | |
611 | leaving random core files around. */ | |
612 | dump_core_p = query ("\ | |
613 | Create a core file containing the current state of GDB? "); | |
614 | ||
615 | if (continue_p) | |
616 | { | |
617 | if (dump_core_p) | |
618 | { | |
619 | if (fork () == 0) | |
620 | abort (); | |
621 | } | |
622 | } | |
623 | else | |
624 | { | |
625 | if (dump_core_p) | |
626 | abort (); | |
627 | else | |
628 | exit (1); | |
629 | } | |
96baa820 JM |
630 | |
631 | dejavu = 0; | |
632 | return_to_top_level (RETURN_ERROR); | |
c906108c SS |
633 | } |
634 | ||
635 | /* The strerror() function can return NULL for errno values that are | |
636 | out of range. Provide a "safe" version that always returns a | |
637 | printable string. */ | |
638 | ||
639 | char * | |
640 | safe_strerror (errnum) | |
641 | int errnum; | |
642 | { | |
643 | char *msg; | |
644 | static char buf[32]; | |
645 | ||
646 | if ((msg = strerror (errnum)) == NULL) | |
647 | { | |
648 | sprintf (buf, "(undocumented errno %d)", errnum); | |
649 | msg = buf; | |
650 | } | |
651 | return (msg); | |
652 | } | |
653 | ||
654 | /* The strsignal() function can return NULL for signal values that are | |
655 | out of range. Provide a "safe" version that always returns a | |
656 | printable string. */ | |
657 | ||
658 | char * | |
659 | safe_strsignal (signo) | |
660 | int signo; | |
661 | { | |
662 | char *msg; | |
663 | static char buf[32]; | |
664 | ||
665 | if ((msg = strsignal (signo)) == NULL) | |
666 | { | |
667 | sprintf (buf, "(undocumented signal %d)", signo); | |
668 | msg = buf; | |
669 | } | |
670 | return (msg); | |
671 | } | |
672 | ||
673 | ||
674 | /* Print the system error message for errno, and also mention STRING | |
675 | as the file name for which the error was encountered. | |
676 | Then return to command level. */ | |
677 | ||
678 | NORETURN void | |
679 | perror_with_name (string) | |
680 | char *string; | |
681 | { | |
682 | char *err; | |
683 | char *combined; | |
684 | ||
685 | err = safe_strerror (errno); | |
686 | combined = (char *) alloca (strlen (err) + strlen (string) + 3); | |
687 | strcpy (combined, string); | |
688 | strcat (combined, ": "); | |
689 | strcat (combined, err); | |
690 | ||
691 | /* I understand setting these is a matter of taste. Still, some people | |
692 | may clear errno but not know about bfd_error. Doing this here is not | |
693 | unreasonable. */ | |
694 | bfd_set_error (bfd_error_no_error); | |
695 | errno = 0; | |
696 | ||
c5aa993b | 697 | error ("%s.", combined); |
c906108c SS |
698 | } |
699 | ||
700 | /* Print the system error message for ERRCODE, and also mention STRING | |
701 | as the file name for which the error was encountered. */ | |
702 | ||
703 | void | |
704 | print_sys_errmsg (string, errcode) | |
705 | char *string; | |
706 | int errcode; | |
707 | { | |
708 | char *err; | |
709 | char *combined; | |
710 | ||
711 | err = safe_strerror (errcode); | |
712 | combined = (char *) alloca (strlen (err) + strlen (string) + 3); | |
713 | strcpy (combined, string); | |
714 | strcat (combined, ": "); | |
715 | strcat (combined, err); | |
716 | ||
717 | /* We want anything which was printed on stdout to come out first, before | |
718 | this message. */ | |
719 | gdb_flush (gdb_stdout); | |
720 | fprintf_unfiltered (gdb_stderr, "%s.\n", combined); | |
721 | } | |
722 | ||
723 | /* Control C eventually causes this to be called, at a convenient time. */ | |
724 | ||
725 | void | |
726 | quit () | |
727 | { | |
728 | serial_t gdb_stdout_serial = serial_fdopen (1); | |
729 | ||
730 | target_terminal_ours (); | |
731 | ||
732 | /* We want all output to appear now, before we print "Quit". We | |
733 | have 3 levels of buffering we have to flush (it's possible that | |
734 | some of these should be changed to flush the lower-level ones | |
735 | too): */ | |
736 | ||
737 | /* 1. The _filtered buffer. */ | |
c5aa993b | 738 | wrap_here ((char *) 0); |
c906108c SS |
739 | |
740 | /* 2. The stdio buffer. */ | |
741 | gdb_flush (gdb_stdout); | |
742 | gdb_flush (gdb_stderr); | |
743 | ||
744 | /* 3. The system-level buffer. */ | |
745 | SERIAL_DRAIN_OUTPUT (gdb_stdout_serial); | |
746 | SERIAL_UN_FDOPEN (gdb_stdout_serial); | |
747 | ||
748 | annotate_error_begin (); | |
749 | ||
750 | /* Don't use *_filtered; we don't want to prompt the user to continue. */ | |
751 | if (quit_pre_print) | |
752 | fprintf_unfiltered (gdb_stderr, quit_pre_print); | |
753 | ||
7be570e7 JM |
754 | #ifdef __MSDOS__ |
755 | /* No steenking SIGINT will ever be coming our way when the | |
756 | program is resumed. Don't lie. */ | |
757 | fprintf_unfiltered (gdb_stderr, "Quit\n"); | |
758 | #else | |
c906108c | 759 | if (job_control |
c5aa993b JM |
760 | /* If there is no terminal switching for this target, then we can't |
761 | possibly get screwed by the lack of job control. */ | |
c906108c SS |
762 | || current_target.to_terminal_ours == NULL) |
763 | fprintf_unfiltered (gdb_stderr, "Quit\n"); | |
764 | else | |
765 | fprintf_unfiltered (gdb_stderr, | |
c5aa993b | 766 | "Quit (expect signal SIGINT when the program is resumed)\n"); |
7be570e7 | 767 | #endif |
c906108c SS |
768 | return_to_top_level (RETURN_QUIT); |
769 | } | |
770 | ||
771 | ||
7be570e7 | 772 | #if defined(_MSC_VER) /* should test for wingdb instead? */ |
c906108c SS |
773 | |
774 | /* | |
775 | * Windows translates all keyboard and mouse events | |
776 | * into a message which is appended to the message | |
777 | * queue for the process. | |
778 | */ | |
779 | ||
c5aa993b JM |
780 | void |
781 | notice_quit () | |
c906108c | 782 | { |
c5aa993b | 783 | int k = win32pollquit (); |
c906108c SS |
784 | if (k == 1) |
785 | quit_flag = 1; | |
786 | else if (k == 2) | |
787 | immediate_quit = 1; | |
788 | } | |
789 | ||
790 | #else /* !defined(__GO32__) && !defined(_MSC_VER) */ | |
791 | ||
c5aa993b JM |
792 | void |
793 | notice_quit () | |
c906108c SS |
794 | { |
795 | /* Done by signals */ | |
796 | } | |
797 | ||
798 | #endif /* !defined(__GO32__) && !defined(_MSC_VER) */ | |
799 | ||
c906108c | 800 | /* Control C comes here */ |
c906108c SS |
801 | void |
802 | request_quit (signo) | |
803 | int signo; | |
804 | { | |
805 | quit_flag = 1; | |
806 | /* Restore the signal handler. Harmless with BSD-style signals, needed | |
807 | for System V-style signals. So just always do it, rather than worrying | |
808 | about USG defines and stuff like that. */ | |
809 | signal (signo, request_quit); | |
810 | ||
811 | #ifdef REQUEST_QUIT | |
812 | REQUEST_QUIT; | |
813 | #else | |
c5aa993b | 814 | if (immediate_quit) |
c906108c SS |
815 | quit (); |
816 | #endif | |
817 | } | |
c906108c SS |
818 | \f |
819 | /* Memory management stuff (malloc friends). */ | |
820 | ||
821 | /* Make a substitute size_t for non-ANSI compilers. */ | |
822 | ||
823 | #ifndef HAVE_STDDEF_H | |
824 | #ifndef size_t | |
825 | #define size_t unsigned int | |
826 | #endif | |
827 | #endif | |
828 | ||
829 | #if !defined (USE_MMALLOC) | |
830 | ||
831 | PTR | |
832 | mmalloc (md, size) | |
833 | PTR md; | |
834 | size_t size; | |
835 | { | |
836 | return malloc (size); | |
837 | } | |
838 | ||
839 | PTR | |
840 | mrealloc (md, ptr, size) | |
841 | PTR md; | |
842 | PTR ptr; | |
843 | size_t size; | |
844 | { | |
c5aa993b | 845 | if (ptr == 0) /* Guard against old realloc's */ |
c906108c SS |
846 | return malloc (size); |
847 | else | |
848 | return realloc (ptr, size); | |
849 | } | |
850 | ||
851 | void | |
852 | mfree (md, ptr) | |
853 | PTR md; | |
854 | PTR ptr; | |
855 | { | |
856 | free (ptr); | |
857 | } | |
858 | ||
c5aa993b | 859 | #endif /* USE_MMALLOC */ |
c906108c SS |
860 | |
861 | #if !defined (USE_MMALLOC) || defined (NO_MMCHECK) | |
862 | ||
863 | void | |
864 | init_malloc (md) | |
865 | PTR md; | |
866 | { | |
867 | } | |
868 | ||
869 | #else /* Have mmalloc and want corruption checking */ | |
870 | ||
871 | static void | |
872 | malloc_botch () | |
873 | { | |
96baa820 JM |
874 | fprintf_unfiltered (gdb_stderr, "Memory corruption\n"); |
875 | abort (); | |
c906108c SS |
876 | } |
877 | ||
878 | /* Attempt to install hooks in mmalloc/mrealloc/mfree for the heap specified | |
879 | by MD, to detect memory corruption. Note that MD may be NULL to specify | |
880 | the default heap that grows via sbrk. | |
881 | ||
882 | Note that for freshly created regions, we must call mmcheckf prior to any | |
883 | mallocs in the region. Otherwise, any region which was allocated prior to | |
884 | installing the checking hooks, which is later reallocated or freed, will | |
885 | fail the checks! The mmcheck function only allows initial hooks to be | |
886 | installed before the first mmalloc. However, anytime after we have called | |
887 | mmcheck the first time to install the checking hooks, we can call it again | |
888 | to update the function pointer to the memory corruption handler. | |
889 | ||
890 | Returns zero on failure, non-zero on success. */ | |
891 | ||
892 | #ifndef MMCHECK_FORCE | |
893 | #define MMCHECK_FORCE 0 | |
894 | #endif | |
895 | ||
896 | void | |
897 | init_malloc (md) | |
898 | PTR md; | |
899 | { | |
900 | if (!mmcheckf (md, malloc_botch, MMCHECK_FORCE)) | |
901 | { | |
902 | /* Don't use warning(), which relies on current_target being set | |
c5aa993b JM |
903 | to something other than dummy_target, until after |
904 | initialize_all_files(). */ | |
c906108c SS |
905 | |
906 | fprintf_unfiltered | |
907 | (gdb_stderr, "warning: failed to install memory consistency checks; "); | |
908 | fprintf_unfiltered | |
909 | (gdb_stderr, "configuration should define NO_MMCHECK or MMCHECK_FORCE\n"); | |
910 | } | |
911 | ||
912 | mmtrace (); | |
913 | } | |
914 | ||
915 | #endif /* Have mmalloc and want corruption checking */ | |
916 | ||
917 | /* Called when a memory allocation fails, with the number of bytes of | |
918 | memory requested in SIZE. */ | |
919 | ||
920 | NORETURN void | |
921 | nomem (size) | |
922 | long size; | |
923 | { | |
924 | if (size > 0) | |
925 | { | |
96baa820 | 926 | internal_error ("virtual memory exhausted: can't allocate %ld bytes.", size); |
c906108c SS |
927 | } |
928 | else | |
929 | { | |
96baa820 | 930 | internal_error ("virtual memory exhausted."); |
c906108c SS |
931 | } |
932 | } | |
933 | ||
934 | /* Like mmalloc but get error if no storage available, and protect against | |
935 | the caller wanting to allocate zero bytes. Whether to return NULL for | |
936 | a zero byte request, or translate the request into a request for one | |
937 | byte of zero'd storage, is a religious issue. */ | |
938 | ||
939 | PTR | |
940 | xmmalloc (md, size) | |
941 | PTR md; | |
942 | long size; | |
943 | { | |
944 | register PTR val; | |
945 | ||
946 | if (size == 0) | |
947 | { | |
948 | val = NULL; | |
949 | } | |
950 | else if ((val = mmalloc (md, size)) == NULL) | |
951 | { | |
952 | nomem (size); | |
953 | } | |
954 | return (val); | |
955 | } | |
956 | ||
957 | /* Like mrealloc but get error if no storage available. */ | |
958 | ||
959 | PTR | |
960 | xmrealloc (md, ptr, size) | |
961 | PTR md; | |
962 | PTR ptr; | |
963 | long size; | |
964 | { | |
965 | register PTR val; | |
966 | ||
967 | if (ptr != NULL) | |
968 | { | |
969 | val = mrealloc (md, ptr, size); | |
970 | } | |
971 | else | |
972 | { | |
973 | val = mmalloc (md, size); | |
974 | } | |
975 | if (val == NULL) | |
976 | { | |
977 | nomem (size); | |
978 | } | |
979 | return (val); | |
980 | } | |
981 | ||
982 | /* Like malloc but get error if no storage available, and protect against | |
983 | the caller wanting to allocate zero bytes. */ | |
984 | ||
985 | PTR | |
986 | xmalloc (size) | |
987 | size_t size; | |
988 | { | |
989 | return (xmmalloc ((PTR) NULL, size)); | |
990 | } | |
991 | ||
992 | /* Like mrealloc but get error if no storage available. */ | |
993 | ||
994 | PTR | |
995 | xrealloc (ptr, size) | |
996 | PTR ptr; | |
997 | size_t size; | |
998 | { | |
999 | return (xmrealloc ((PTR) NULL, ptr, size)); | |
1000 | } | |
c906108c | 1001 | \f |
c5aa993b | 1002 | |
c906108c SS |
1003 | /* My replacement for the read system call. |
1004 | Used like `read' but keeps going if `read' returns too soon. */ | |
1005 | ||
1006 | int | |
1007 | myread (desc, addr, len) | |
1008 | int desc; | |
1009 | char *addr; | |
1010 | int len; | |
1011 | { | |
1012 | register int val; | |
1013 | int orglen = len; | |
1014 | ||
1015 | while (len > 0) | |
1016 | { | |
1017 | val = read (desc, addr, len); | |
1018 | if (val < 0) | |
1019 | return val; | |
1020 | if (val == 0) | |
1021 | return orglen - len; | |
1022 | len -= val; | |
1023 | addr += val; | |
1024 | } | |
1025 | return orglen; | |
1026 | } | |
1027 | \f | |
1028 | /* Make a copy of the string at PTR with SIZE characters | |
1029 | (and add a null character at the end in the copy). | |
1030 | Uses malloc to get the space. Returns the address of the copy. */ | |
1031 | ||
1032 | char * | |
1033 | savestring (ptr, size) | |
1034 | const char *ptr; | |
1035 | int size; | |
1036 | { | |
1037 | register char *p = (char *) xmalloc (size + 1); | |
1038 | memcpy (p, ptr, size); | |
1039 | p[size] = 0; | |
1040 | return p; | |
1041 | } | |
1042 | ||
1043 | char * | |
1044 | msavestring (md, ptr, size) | |
1045 | PTR md; | |
1046 | const char *ptr; | |
1047 | int size; | |
1048 | { | |
1049 | register char *p = (char *) xmmalloc (md, size + 1); | |
1050 | memcpy (p, ptr, size); | |
1051 | p[size] = 0; | |
1052 | return p; | |
1053 | } | |
1054 | ||
1055 | /* The "const" is so it compiles under DGUX (which prototypes strsave | |
1056 | in <string.h>. FIXME: This should be named "xstrsave", shouldn't it? | |
1057 | Doesn't real strsave return NULL if out of memory? */ | |
1058 | char * | |
1059 | strsave (ptr) | |
1060 | const char *ptr; | |
1061 | { | |
1062 | return savestring (ptr, strlen (ptr)); | |
1063 | } | |
1064 | ||
1065 | char * | |
1066 | mstrsave (md, ptr) | |
1067 | PTR md; | |
1068 | const char *ptr; | |
1069 | { | |
1070 | return (msavestring (md, ptr, strlen (ptr))); | |
1071 | } | |
1072 | ||
1073 | void | |
1074 | print_spaces (n, file) | |
1075 | register int n; | |
1076 | register GDB_FILE *file; | |
1077 | { | |
392a587b | 1078 | fputs_unfiltered (n_spaces (n), file); |
c906108c SS |
1079 | } |
1080 | ||
1081 | /* Print a host address. */ | |
1082 | ||
1083 | void | |
d4f3574e | 1084 | gdb_print_host_address (void *addr, struct gdb_file *stream) |
c906108c SS |
1085 | { |
1086 | ||
1087 | /* We could use the %p conversion specifier to fprintf if we had any | |
1088 | way of knowing whether this host supports it. But the following | |
1089 | should work on the Alpha and on 32 bit machines. */ | |
1090 | ||
c5aa993b | 1091 | fprintf_filtered (stream, "0x%lx", (unsigned long) addr); |
c906108c SS |
1092 | } |
1093 | ||
1094 | /* Ask user a y-or-n question and return 1 iff answer is yes. | |
1095 | Takes three args which are given to printf to print the question. | |
1096 | The first, a control string, should end in "? ". | |
1097 | It should not say how to answer, because we do that. */ | |
1098 | ||
1099 | /* VARARGS */ | |
1100 | int | |
c5aa993b | 1101 | query (char *ctlstr,...) |
c906108c SS |
1102 | { |
1103 | va_list args; | |
1104 | register int answer; | |
1105 | register int ans2; | |
1106 | int retval; | |
1107 | ||
c906108c | 1108 | va_start (args, ctlstr); |
c906108c SS |
1109 | |
1110 | if (query_hook) | |
1111 | { | |
1112 | return query_hook (ctlstr, args); | |
1113 | } | |
1114 | ||
1115 | /* Automatically answer "yes" if input is not from a terminal. */ | |
1116 | if (!input_from_terminal_p ()) | |
1117 | return 1; | |
1118 | #ifdef MPW | |
1119 | /* FIXME Automatically answer "yes" if called from MacGDB. */ | |
1120 | if (mac_app) | |
1121 | return 1; | |
1122 | #endif /* MPW */ | |
1123 | ||
1124 | while (1) | |
1125 | { | |
1126 | wrap_here (""); /* Flush any buffered output */ | |
1127 | gdb_flush (gdb_stdout); | |
1128 | ||
1129 | if (annotation_level > 1) | |
1130 | printf_filtered ("\n\032\032pre-query\n"); | |
1131 | ||
1132 | vfprintf_filtered (gdb_stdout, ctlstr, args); | |
1133 | printf_filtered ("(y or n) "); | |
1134 | ||
1135 | if (annotation_level > 1) | |
1136 | printf_filtered ("\n\032\032query\n"); | |
1137 | ||
1138 | #ifdef MPW | |
1139 | /* If not in MacGDB, move to a new line so the entered line doesn't | |
c5aa993b | 1140 | have a prompt on the front of it. */ |
c906108c SS |
1141 | if (!mac_app) |
1142 | fputs_unfiltered ("\n", gdb_stdout); | |
1143 | #endif /* MPW */ | |
1144 | ||
c5aa993b | 1145 | wrap_here (""); |
c906108c SS |
1146 | gdb_flush (gdb_stdout); |
1147 | ||
1148 | #if defined(TUI) | |
c5aa993b | 1149 | if (!tui_version || cmdWin == tuiWinWithFocus ()) |
c906108c SS |
1150 | #endif |
1151 | answer = fgetc (stdin); | |
1152 | #if defined(TUI) | |
1153 | else | |
c5aa993b | 1154 | answer = (unsigned char) tuiBufferGetc (); |
c906108c SS |
1155 | |
1156 | #endif | |
1157 | clearerr (stdin); /* in case of C-d */ | |
1158 | if (answer == EOF) /* C-d */ | |
c5aa993b | 1159 | { |
c906108c SS |
1160 | retval = 1; |
1161 | break; | |
1162 | } | |
1163 | /* Eat rest of input line, to EOF or newline */ | |
1164 | if ((answer != '\n') || (tui_version && answer != '\r')) | |
c5aa993b | 1165 | do |
c906108c SS |
1166 | { |
1167 | #if defined(TUI) | |
c5aa993b | 1168 | if (!tui_version || cmdWin == tuiWinWithFocus ()) |
c906108c SS |
1169 | #endif |
1170 | ans2 = fgetc (stdin); | |
1171 | #if defined(TUI) | |
1172 | else | |
c5aa993b | 1173 | ans2 = (unsigned char) tuiBufferGetc (); |
c906108c SS |
1174 | #endif |
1175 | clearerr (stdin); | |
1176 | } | |
c5aa993b JM |
1177 | while (ans2 != EOF && ans2 != '\n' && ans2 != '\r'); |
1178 | TUIDO (((TuiOpaqueFuncPtr) tui_vStartNewLines, 1)); | |
c906108c SS |
1179 | |
1180 | if (answer >= 'a') | |
1181 | answer -= 040; | |
1182 | if (answer == 'Y') | |
1183 | { | |
1184 | retval = 1; | |
1185 | break; | |
1186 | } | |
1187 | if (answer == 'N') | |
1188 | { | |
1189 | retval = 0; | |
1190 | break; | |
1191 | } | |
1192 | printf_filtered ("Please answer y or n.\n"); | |
1193 | } | |
1194 | ||
1195 | if (annotation_level > 1) | |
1196 | printf_filtered ("\n\032\032post-query\n"); | |
1197 | return retval; | |
1198 | } | |
c906108c | 1199 | \f |
c5aa993b | 1200 | |
c906108c SS |
1201 | /* Parse a C escape sequence. STRING_PTR points to a variable |
1202 | containing a pointer to the string to parse. That pointer | |
1203 | should point to the character after the \. That pointer | |
1204 | is updated past the characters we use. The value of the | |
1205 | escape sequence is returned. | |
1206 | ||
1207 | A negative value means the sequence \ newline was seen, | |
1208 | which is supposed to be equivalent to nothing at all. | |
1209 | ||
1210 | If \ is followed by a null character, we return a negative | |
1211 | value and leave the string pointer pointing at the null character. | |
1212 | ||
1213 | If \ is followed by 000, we return 0 and leave the string pointer | |
1214 | after the zeros. A value of 0 does not mean end of string. */ | |
1215 | ||
1216 | int | |
1217 | parse_escape (string_ptr) | |
1218 | char **string_ptr; | |
1219 | { | |
1220 | register int c = *(*string_ptr)++; | |
1221 | switch (c) | |
1222 | { | |
1223 | case 'a': | |
1224 | return 007; /* Bell (alert) char */ | |
1225 | case 'b': | |
1226 | return '\b'; | |
1227 | case 'e': /* Escape character */ | |
1228 | return 033; | |
1229 | case 'f': | |
1230 | return '\f'; | |
1231 | case 'n': | |
1232 | return '\n'; | |
1233 | case 'r': | |
1234 | return '\r'; | |
1235 | case 't': | |
1236 | return '\t'; | |
1237 | case 'v': | |
1238 | return '\v'; | |
1239 | case '\n': | |
1240 | return -2; | |
1241 | case 0: | |
1242 | (*string_ptr)--; | |
1243 | return 0; | |
1244 | case '^': | |
1245 | c = *(*string_ptr)++; | |
1246 | if (c == '\\') | |
1247 | c = parse_escape (string_ptr); | |
1248 | if (c == '?') | |
1249 | return 0177; | |
1250 | return (c & 0200) | (c & 037); | |
c5aa993b | 1251 | |
c906108c SS |
1252 | case '0': |
1253 | case '1': | |
1254 | case '2': | |
1255 | case '3': | |
1256 | case '4': | |
1257 | case '5': | |
1258 | case '6': | |
1259 | case '7': | |
1260 | { | |
1261 | register int i = c - '0'; | |
1262 | register int count = 0; | |
1263 | while (++count < 3) | |
1264 | { | |
1265 | if ((c = *(*string_ptr)++) >= '0' && c <= '7') | |
1266 | { | |
1267 | i *= 8; | |
1268 | i += c - '0'; | |
1269 | } | |
1270 | else | |
1271 | { | |
1272 | (*string_ptr)--; | |
1273 | break; | |
1274 | } | |
1275 | } | |
1276 | return i; | |
1277 | } | |
1278 | default: | |
1279 | return c; | |
1280 | } | |
1281 | } | |
1282 | \f | |
1283 | /* Print the character C on STREAM as part of the contents of a literal | |
1284 | string whose delimiter is QUOTER. Note that this routine should only | |
1285 | be call for printing things which are independent of the language | |
1286 | of the program being debugged. */ | |
1287 | ||
43e526b9 JM |
1288 | static void printchar PARAMS ((int c, void (*do_fputs) (const char *, GDB_FILE*), void (*do_fprintf) (GDB_FILE*, const char *, ...), GDB_FILE *stream, int quoter)); |
1289 | ||
1290 | static void | |
1291 | printchar (c, do_fputs, do_fprintf, stream, quoter) | |
1292 | int c; | |
1293 | void (*do_fputs) PARAMS ((const char *, GDB_FILE*)); | |
1294 | void (*do_fprintf) PARAMS ((GDB_FILE*, const char *, ...)); | |
c906108c SS |
1295 | GDB_FILE *stream; |
1296 | int quoter; | |
1297 | { | |
1298 | ||
1299 | c &= 0xFF; /* Avoid sign bit follies */ | |
1300 | ||
c5aa993b JM |
1301 | if (c < 0x20 || /* Low control chars */ |
1302 | (c >= 0x7F && c < 0xA0) || /* DEL, High controls */ | |
1303 | (sevenbit_strings && c >= 0x80)) | |
1304 | { /* high order bit set */ | |
1305 | switch (c) | |
1306 | { | |
1307 | case '\n': | |
43e526b9 | 1308 | do_fputs ("\\n", stream); |
c5aa993b JM |
1309 | break; |
1310 | case '\b': | |
43e526b9 | 1311 | do_fputs ("\\b", stream); |
c5aa993b JM |
1312 | break; |
1313 | case '\t': | |
43e526b9 | 1314 | do_fputs ("\\t", stream); |
c5aa993b JM |
1315 | break; |
1316 | case '\f': | |
43e526b9 | 1317 | do_fputs ("\\f", stream); |
c5aa993b JM |
1318 | break; |
1319 | case '\r': | |
43e526b9 | 1320 | do_fputs ("\\r", stream); |
c5aa993b JM |
1321 | break; |
1322 | case '\033': | |
43e526b9 | 1323 | do_fputs ("\\e", stream); |
c5aa993b JM |
1324 | break; |
1325 | case '\007': | |
43e526b9 | 1326 | do_fputs ("\\a", stream); |
c5aa993b JM |
1327 | break; |
1328 | default: | |
43e526b9 | 1329 | do_fprintf (stream, "\\%.3o", (unsigned int) c); |
c5aa993b JM |
1330 | break; |
1331 | } | |
1332 | } | |
1333 | else | |
1334 | { | |
1335 | if (c == '\\' || c == quoter) | |
43e526b9 JM |
1336 | do_fputs ("\\", stream); |
1337 | do_fprintf (stream, "%c", c); | |
c5aa993b | 1338 | } |
c906108c | 1339 | } |
43e526b9 JM |
1340 | |
1341 | /* Print the character C on STREAM as part of the contents of a | |
1342 | literal string whose delimiter is QUOTER. Note that these routines | |
1343 | should only be call for printing things which are independent of | |
1344 | the language of the program being debugged. */ | |
1345 | ||
1346 | void | |
1347 | fputstr_filtered (str, quoter, stream) | |
1348 | const char *str; | |
1349 | int quoter; | |
1350 | GDB_FILE *stream; | |
1351 | { | |
1352 | while (*str) | |
1353 | printchar (*str++, fputs_filtered, fprintf_filtered, stream, quoter); | |
1354 | } | |
1355 | ||
1356 | void | |
1357 | fputstr_unfiltered (str, quoter, stream) | |
1358 | const char *str; | |
1359 | int quoter; | |
1360 | GDB_FILE *stream; | |
1361 | { | |
1362 | while (*str) | |
1363 | printchar (*str++, fputs_unfiltered, fprintf_unfiltered, stream, quoter); | |
1364 | } | |
1365 | ||
1366 | void | |
1367 | fputstrn_unfiltered (str, n, quoter, stream) | |
1368 | const char *str; | |
1369 | int n; | |
1370 | int quoter; | |
1371 | GDB_FILE *stream; | |
1372 | { | |
1373 | int i; | |
1374 | for (i = 0; i < n; i++) | |
1375 | printchar (str[i], fputs_unfiltered, fprintf_unfiltered, stream, quoter); | |
1376 | } | |
1377 | ||
c906108c | 1378 | \f |
c5aa993b | 1379 | |
c906108c SS |
1380 | /* Number of lines per page or UINT_MAX if paging is disabled. */ |
1381 | static unsigned int lines_per_page; | |
e514a9d6 | 1382 | /* Number of chars per line or UNIT_MAX if line folding is disabled. */ |
c906108c SS |
1383 | static unsigned int chars_per_line; |
1384 | /* Current count of lines printed on this page, chars on this line. */ | |
1385 | static unsigned int lines_printed, chars_printed; | |
1386 | ||
1387 | /* Buffer and start column of buffered text, for doing smarter word- | |
1388 | wrapping. When someone calls wrap_here(), we start buffering output | |
1389 | that comes through fputs_filtered(). If we see a newline, we just | |
1390 | spit it out and forget about the wrap_here(). If we see another | |
1391 | wrap_here(), we spit it out and remember the newer one. If we see | |
1392 | the end of the line, we spit out a newline, the indent, and then | |
1393 | the buffered output. */ | |
1394 | ||
1395 | /* Malloc'd buffer with chars_per_line+2 bytes. Contains characters which | |
1396 | are waiting to be output (they have already been counted in chars_printed). | |
1397 | When wrap_buffer[0] is null, the buffer is empty. */ | |
1398 | static char *wrap_buffer; | |
1399 | ||
1400 | /* Pointer in wrap_buffer to the next character to fill. */ | |
1401 | static char *wrap_pointer; | |
1402 | ||
1403 | /* String to indent by if the wrap occurs. Must not be NULL if wrap_column | |
1404 | is non-zero. */ | |
1405 | static char *wrap_indent; | |
1406 | ||
1407 | /* Column number on the screen where wrap_buffer begins, or 0 if wrapping | |
1408 | is not in effect. */ | |
1409 | static int wrap_column; | |
c906108c | 1410 | \f |
c5aa993b | 1411 | |
c906108c SS |
1412 | /* Inialize the lines and chars per page */ |
1413 | void | |
c5aa993b | 1414 | init_page_info () |
c906108c SS |
1415 | { |
1416 | #if defined(TUI) | |
c5aa993b | 1417 | if (tui_version && m_winPtrNotNull (cmdWin)) |
c906108c SS |
1418 | { |
1419 | lines_per_page = cmdWin->generic.height; | |
1420 | chars_per_line = cmdWin->generic.width; | |
1421 | } | |
1422 | else | |
1423 | #endif | |
1424 | { | |
1425 | /* These defaults will be used if we are unable to get the correct | |
1426 | values from termcap. */ | |
1427 | #if defined(__GO32__) | |
c5aa993b JM |
1428 | lines_per_page = ScreenRows (); |
1429 | chars_per_line = ScreenCols (); | |
1430 | #else | |
c906108c SS |
1431 | lines_per_page = 24; |
1432 | chars_per_line = 80; | |
1433 | ||
1434 | #if !defined (MPW) && !defined (_WIN32) | |
1435 | /* No termcap under MPW, although might be cool to do something | |
1436 | by looking at worksheet or console window sizes. */ | |
1437 | /* Initialize the screen height and width from termcap. */ | |
1438 | { | |
c5aa993b | 1439 | char *termtype = getenv ("TERM"); |
c906108c | 1440 | |
c5aa993b JM |
1441 | /* Positive means success, nonpositive means failure. */ |
1442 | int status; | |
c906108c | 1443 | |
c5aa993b JM |
1444 | /* 2048 is large enough for all known terminals, according to the |
1445 | GNU termcap manual. */ | |
1446 | char term_buffer[2048]; | |
c906108c | 1447 | |
c5aa993b JM |
1448 | if (termtype) |
1449 | { | |
c906108c SS |
1450 | status = tgetent (term_buffer, termtype); |
1451 | if (status > 0) | |
1452 | { | |
c5aa993b | 1453 | int val; |
c906108c | 1454 | int running_in_emacs = getenv ("EMACS") != NULL; |
c5aa993b JM |
1455 | |
1456 | val = tgetnum ("li"); | |
1457 | if (val >= 0 && !running_in_emacs) | |
1458 | lines_per_page = val; | |
1459 | else | |
1460 | /* The number of lines per page is not mentioned | |
c906108c SS |
1461 | in the terminal description. This probably means |
1462 | that paging is not useful (e.g. emacs shell window), | |
1463 | so disable paging. */ | |
c5aa993b JM |
1464 | lines_per_page = UINT_MAX; |
1465 | ||
1466 | val = tgetnum ("co"); | |
1467 | if (val >= 0) | |
1468 | chars_per_line = val; | |
c906108c | 1469 | } |
c5aa993b | 1470 | } |
c906108c SS |
1471 | } |
1472 | #endif /* MPW */ | |
1473 | ||
1474 | #if defined(SIGWINCH) && defined(SIGWINCH_HANDLER) | |
1475 | ||
1476 | /* If there is a better way to determine the window size, use it. */ | |
1477 | SIGWINCH_HANDLER (SIGWINCH); | |
1478 | #endif | |
1479 | #endif | |
1480 | /* If the output is not a terminal, don't paginate it. */ | |
1481 | if (!GDB_FILE_ISATTY (gdb_stdout)) | |
c5aa993b JM |
1482 | lines_per_page = UINT_MAX; |
1483 | } /* the command_line_version */ | |
1484 | set_width (); | |
c906108c SS |
1485 | } |
1486 | ||
1487 | static void | |
c5aa993b | 1488 | set_width () |
c906108c SS |
1489 | { |
1490 | if (chars_per_line == 0) | |
c5aa993b | 1491 | init_page_info (); |
c906108c SS |
1492 | |
1493 | if (!wrap_buffer) | |
1494 | { | |
1495 | wrap_buffer = (char *) xmalloc (chars_per_line + 2); | |
1496 | wrap_buffer[0] = '\0'; | |
1497 | } | |
1498 | else | |
1499 | wrap_buffer = (char *) xrealloc (wrap_buffer, chars_per_line + 2); | |
c5aa993b | 1500 | wrap_pointer = wrap_buffer; /* Start it at the beginning */ |
c906108c SS |
1501 | } |
1502 | ||
1503 | /* ARGSUSED */ | |
c5aa993b | 1504 | static void |
c906108c SS |
1505 | set_width_command (args, from_tty, c) |
1506 | char *args; | |
1507 | int from_tty; | |
1508 | struct cmd_list_element *c; | |
1509 | { | |
1510 | set_width (); | |
1511 | } | |
1512 | ||
1513 | /* Wait, so the user can read what's on the screen. Prompt the user | |
1514 | to continue by pressing RETURN. */ | |
1515 | ||
1516 | static void | |
1517 | prompt_for_continue () | |
1518 | { | |
1519 | char *ignore; | |
1520 | char cont_prompt[120]; | |
1521 | ||
1522 | if (annotation_level > 1) | |
1523 | printf_unfiltered ("\n\032\032pre-prompt-for-continue\n"); | |
1524 | ||
1525 | strcpy (cont_prompt, | |
1526 | "---Type <return> to continue, or q <return> to quit---"); | |
1527 | if (annotation_level > 1) | |
1528 | strcat (cont_prompt, "\n\032\032prompt-for-continue\n"); | |
1529 | ||
1530 | /* We must do this *before* we call gdb_readline, else it will eventually | |
1531 | call us -- thinking that we're trying to print beyond the end of the | |
1532 | screen. */ | |
1533 | reinitialize_more_filter (); | |
1534 | ||
1535 | immediate_quit++; | |
1536 | /* On a real operating system, the user can quit with SIGINT. | |
1537 | But not on GO32. | |
1538 | ||
1539 | 'q' is provided on all systems so users don't have to change habits | |
1540 | from system to system, and because telling them what to do in | |
1541 | the prompt is more user-friendly than expecting them to think of | |
1542 | SIGINT. */ | |
1543 | /* Call readline, not gdb_readline, because GO32 readline handles control-C | |
1544 | whereas control-C to gdb_readline will cause the user to get dumped | |
1545 | out to DOS. */ | |
1546 | ignore = readline (cont_prompt); | |
1547 | ||
1548 | if (annotation_level > 1) | |
1549 | printf_unfiltered ("\n\032\032post-prompt-for-continue\n"); | |
1550 | ||
1551 | if (ignore) | |
1552 | { | |
1553 | char *p = ignore; | |
1554 | while (*p == ' ' || *p == '\t') | |
1555 | ++p; | |
1556 | if (p[0] == 'q') | |
0f71a2f6 | 1557 | { |
6426a772 | 1558 | if (!event_loop_p) |
0f71a2f6 JM |
1559 | request_quit (SIGINT); |
1560 | else | |
c5aa993b | 1561 | async_request_quit (0); |
0f71a2f6 | 1562 | } |
c906108c SS |
1563 | free (ignore); |
1564 | } | |
1565 | immediate_quit--; | |
1566 | ||
1567 | /* Now we have to do this again, so that GDB will know that it doesn't | |
1568 | need to save the ---Type <return>--- line at the top of the screen. */ | |
1569 | reinitialize_more_filter (); | |
1570 | ||
1571 | dont_repeat (); /* Forget prev cmd -- CR won't repeat it. */ | |
1572 | } | |
1573 | ||
1574 | /* Reinitialize filter; ie. tell it to reset to original values. */ | |
1575 | ||
1576 | void | |
1577 | reinitialize_more_filter () | |
1578 | { | |
1579 | lines_printed = 0; | |
1580 | chars_printed = 0; | |
1581 | } | |
1582 | ||
1583 | /* Indicate that if the next sequence of characters overflows the line, | |
1584 | a newline should be inserted here rather than when it hits the end. | |
1585 | If INDENT is non-null, it is a string to be printed to indent the | |
1586 | wrapped part on the next line. INDENT must remain accessible until | |
1587 | the next call to wrap_here() or until a newline is printed through | |
1588 | fputs_filtered(). | |
1589 | ||
1590 | If the line is already overfull, we immediately print a newline and | |
1591 | the indentation, and disable further wrapping. | |
1592 | ||
1593 | If we don't know the width of lines, but we know the page height, | |
1594 | we must not wrap words, but should still keep track of newlines | |
1595 | that were explicitly printed. | |
1596 | ||
1597 | INDENT should not contain tabs, as that will mess up the char count | |
1598 | on the next line. FIXME. | |
1599 | ||
1600 | This routine is guaranteed to force out any output which has been | |
1601 | squirreled away in the wrap_buffer, so wrap_here ((char *)0) can be | |
1602 | used to force out output from the wrap_buffer. */ | |
1603 | ||
1604 | void | |
c5aa993b | 1605 | wrap_here (indent) |
c906108c SS |
1606 | char *indent; |
1607 | { | |
1608 | /* This should have been allocated, but be paranoid anyway. */ | |
1609 | if (!wrap_buffer) | |
1610 | abort (); | |
1611 | ||
1612 | if (wrap_buffer[0]) | |
1613 | { | |
1614 | *wrap_pointer = '\0'; | |
1615 | fputs_unfiltered (wrap_buffer, gdb_stdout); | |
1616 | } | |
1617 | wrap_pointer = wrap_buffer; | |
1618 | wrap_buffer[0] = '\0'; | |
c5aa993b | 1619 | if (chars_per_line == UINT_MAX) /* No line overflow checking */ |
c906108c SS |
1620 | { |
1621 | wrap_column = 0; | |
1622 | } | |
1623 | else if (chars_printed >= chars_per_line) | |
1624 | { | |
1625 | puts_filtered ("\n"); | |
1626 | if (indent != NULL) | |
1627 | puts_filtered (indent); | |
1628 | wrap_column = 0; | |
1629 | } | |
1630 | else | |
1631 | { | |
1632 | wrap_column = chars_printed; | |
1633 | if (indent == NULL) | |
1634 | wrap_indent = ""; | |
1635 | else | |
1636 | wrap_indent = indent; | |
1637 | } | |
1638 | } | |
1639 | ||
1640 | /* Ensure that whatever gets printed next, using the filtered output | |
1641 | commands, starts at the beginning of the line. I.E. if there is | |
1642 | any pending output for the current line, flush it and start a new | |
1643 | line. Otherwise do nothing. */ | |
1644 | ||
1645 | void | |
1646 | begin_line () | |
1647 | { | |
1648 | if (chars_printed > 0) | |
1649 | { | |
1650 | puts_filtered ("\n"); | |
1651 | } | |
1652 | } | |
1653 | ||
ac9a91a7 JM |
1654 | |
1655 | /* ``struct gdb_file'' implementation that maps directly onto | |
1656 | <stdio.h>'s FILE. */ | |
1657 | ||
11cf8741 | 1658 | static gdb_file_write_ftype stdio_file_write; |
ac9a91a7 JM |
1659 | static gdb_file_fputs_ftype stdio_file_fputs; |
1660 | static gdb_file_isatty_ftype stdio_file_isatty; | |
1661 | static gdb_file_delete_ftype stdio_file_delete; | |
c5aa993b | 1662 | static struct gdb_file *stdio_file_new PARAMS ((FILE * file, int close_p)); |
ac9a91a7 JM |
1663 | static gdb_file_flush_ftype stdio_file_flush; |
1664 | ||
1665 | static int stdio_file_magic; | |
1666 | ||
1667 | struct stdio_file | |
c5aa993b JM |
1668 | { |
1669 | int *magic; | |
1670 | FILE *file; | |
1671 | int close_p; | |
1672 | }; | |
ac9a91a7 JM |
1673 | |
1674 | static struct gdb_file * | |
1675 | stdio_file_new (file, close_p) | |
1676 | FILE *file; | |
1677 | int close_p; | |
1678 | { | |
1679 | struct gdb_file *gdb_file = gdb_file_new (); | |
1680 | struct stdio_file *stdio = xmalloc (sizeof (struct stdio_file)); | |
1681 | stdio->magic = &stdio_file_magic; | |
1682 | stdio->file = file; | |
1683 | stdio->close_p = close_p; | |
1684 | set_gdb_file_data (gdb_file, stdio, stdio_file_delete); | |
1685 | set_gdb_file_flush (gdb_file, stdio_file_flush); | |
11cf8741 | 1686 | set_gdb_file_write (gdb_file, stdio_file_write); |
ac9a91a7 JM |
1687 | set_gdb_file_fputs (gdb_file, stdio_file_fputs); |
1688 | set_gdb_file_isatty (gdb_file, stdio_file_isatty); | |
1689 | return gdb_file; | |
1690 | } | |
1691 | ||
1692 | static void | |
1693 | stdio_file_delete (file) | |
1694 | struct gdb_file *file; | |
1695 | { | |
1696 | struct stdio_file *stdio = gdb_file_data (file); | |
1697 | if (stdio->magic != &stdio_file_magic) | |
11cf8741 | 1698 | internal_error ("stdio_file_delete: bad magic number"); |
ac9a91a7 JM |
1699 | if (stdio->close_p) |
1700 | { | |
1701 | fclose (stdio->file); | |
1702 | } | |
1703 | free (stdio); | |
1704 | } | |
1705 | ||
1706 | static void | |
1707 | stdio_file_flush (file) | |
1708 | struct gdb_file *file; | |
c906108c | 1709 | { |
ac9a91a7 JM |
1710 | struct stdio_file *stdio = gdb_file_data (file); |
1711 | if (stdio->magic != &stdio_file_magic) | |
11cf8741 | 1712 | internal_error ("stdio_file_flush: bad magic number"); |
ac9a91a7 JM |
1713 | fflush (stdio->file); |
1714 | } | |
1715 | ||
11cf8741 JM |
1716 | static void |
1717 | stdio_file_write (struct gdb_file *file, const char *buf, long length_buf) | |
1718 | { | |
1719 | struct stdio_file *stdio = gdb_file_data (file); | |
1720 | if (stdio->magic != &stdio_file_magic) | |
1721 | internal_error ("stdio_file_write: bad magic number"); | |
1722 | fwrite (buf, length_buf, 1, stdio->file); | |
1723 | } | |
1724 | ||
ac9a91a7 JM |
1725 | static void |
1726 | stdio_file_fputs (linebuffer, file) | |
1727 | const char *linebuffer; | |
1728 | struct gdb_file *file; | |
1729 | { | |
1730 | struct stdio_file *stdio = gdb_file_data (file); | |
1731 | if (stdio->magic != &stdio_file_magic) | |
11cf8741 | 1732 | internal_error ("stdio_file_fputs: bad magic number"); |
ac9a91a7 JM |
1733 | fputs (linebuffer, stdio->file); |
1734 | } | |
1735 | ||
1736 | static int | |
1737 | stdio_file_isatty (file) | |
1738 | struct gdb_file *file; | |
1739 | { | |
1740 | struct stdio_file *stdio = gdb_file_data (file); | |
1741 | if (stdio->magic != &stdio_file_magic) | |
11cf8741 | 1742 | internal_error ("stdio_file_isatty: bad magic number"); |
ac9a91a7 JM |
1743 | return (isatty (fileno (stdio->file))); |
1744 | } | |
1745 | ||
1746 | /* Like fdopen(). Create a gdb_file from a previously opened FILE. */ | |
1747 | ||
1748 | struct gdb_file * | |
1749 | stdio_fileopen (file) | |
1750 | FILE *file; | |
1751 | { | |
1752 | return stdio_file_new (file, 0); | |
1753 | } | |
1754 | ||
1755 | ||
917317f4 JM |
1756 | /* A pure memory based ``struct gdb_file'' that can be used an output |
1757 | collector. It's input is available through gdb_file_put(). */ | |
1758 | ||
1759 | struct mem_file | |
1760 | { | |
1761 | int *magic; | |
1762 | char *buffer; | |
1763 | int sizeof_buffer; | |
1764 | int strlen_buffer; | |
1765 | }; | |
1766 | ||
1767 | extern gdb_file_fputs_ftype mem_file_fputs; | |
1768 | static gdb_file_rewind_ftype mem_file_rewind; | |
1769 | static gdb_file_put_ftype mem_file_put; | |
1770 | static gdb_file_delete_ftype mem_file_delete; | |
1771 | static struct gdb_file *mem_file_new PARAMS ((void)); | |
1772 | static int mem_file_magic; | |
1773 | ||
1774 | static struct gdb_file * | |
1775 | mem_file_new (void) | |
1776 | { | |
1777 | struct mem_file *stream = XMALLOC (struct mem_file); | |
1778 | struct gdb_file *file = gdb_file_new (); | |
1779 | set_gdb_file_data (file, stream, mem_file_delete); | |
1780 | set_gdb_file_fputs (file, mem_file_fputs); | |
1781 | set_gdb_file_rewind (file, mem_file_rewind); | |
1782 | set_gdb_file_put (file, mem_file_put); | |
1783 | stream->magic = &mem_file_magic; | |
1784 | stream->buffer = NULL; | |
1785 | stream->sizeof_buffer = 0; | |
1786 | return file; | |
1787 | } | |
1788 | ||
1789 | static void | |
1790 | mem_file_delete (struct gdb_file *file) | |
1791 | { | |
1792 | struct mem_file *stream = gdb_file_data (file); | |
1793 | if (stream->magic != &mem_file_magic) | |
1794 | internal_error ("mem_file_delete: bad magic number"); | |
1795 | if (stream->buffer != NULL) | |
1796 | free (stream->buffer); | |
1797 | free (stream); | |
1798 | } | |
1799 | ||
1800 | struct gdb_file * | |
1801 | mem_fileopen (void) | |
1802 | { | |
1803 | return mem_file_new (); | |
1804 | } | |
1805 | ||
1806 | static void | |
1807 | mem_file_rewind (struct gdb_file *file) | |
1808 | { | |
1809 | struct mem_file *stream = gdb_file_data (file); | |
1810 | if (stream->magic != &mem_file_magic) | |
1811 | internal_error ("mem_file_rewind: bad magic number"); | |
1812 | if (stream->buffer != NULL) | |
1813 | { | |
1814 | stream->buffer[0] = '\0'; | |
1815 | stream->strlen_buffer = 0; | |
1816 | } | |
1817 | } | |
1818 | ||
1819 | static void | |
1820 | mem_file_put (struct gdb_file *file, struct gdb_file *dest) | |
1821 | { | |
1822 | struct mem_file *stream = gdb_file_data (file); | |
1823 | if (stream->magic != &mem_file_magic) | |
1824 | internal_error ("mem_file_put: bad magic number"); | |
1825 | if (stream->buffer != NULL) | |
1826 | fputs_unfiltered (stream->buffer, dest); | |
1827 | } | |
1828 | ||
1829 | void | |
1830 | mem_file_fputs (const char *linebuffer, struct gdb_file *file) | |
1831 | { | |
1832 | struct mem_file *stream = gdb_file_data (file); | |
1833 | if (stream->magic != &mem_file_magic) | |
1834 | internal_error ("mem_file_fputs: bad magic number"); | |
1835 | if (stream->buffer == NULL) | |
1836 | { | |
1837 | stream->strlen_buffer = strlen (linebuffer); | |
1838 | stream->sizeof_buffer = stream->strlen_buffer + 1; | |
1839 | stream->buffer = xmalloc (stream->sizeof_buffer); | |
1840 | strcpy (stream->buffer, linebuffer); | |
1841 | } | |
1842 | else | |
1843 | { | |
1844 | int len = strlen (linebuffer); | |
1845 | int new_strlen = stream->strlen_buffer + len; | |
1846 | int new_sizeof = new_strlen + 1; | |
1847 | if (new_sizeof >= stream->sizeof_buffer) | |
1848 | { | |
1849 | stream->sizeof_buffer = new_sizeof; | |
1850 | stream->buffer = xrealloc (stream->buffer, stream->sizeof_buffer); | |
1851 | } | |
1852 | strcpy (stream->buffer + stream->strlen_buffer, linebuffer); | |
1853 | stream->strlen_buffer = new_strlen; | |
1854 | } | |
1855 | } | |
1856 | ||
1857 | ||
ac9a91a7 JM |
1858 | /* A ``struct gdb_file'' that is compatible with all the legacy |
1859 | code. */ | |
c906108c | 1860 | |
104c1213 JM |
1861 | /* new */ |
1862 | enum streamtype | |
1863 | { | |
1864 | afile, | |
1865 | astring | |
1866 | }; | |
1867 | ||
1868 | /* new */ | |
1869 | struct tui_stream | |
1870 | { | |
1871 | int *ts_magic; | |
1872 | enum streamtype ts_streamtype; | |
1873 | FILE *ts_filestream; | |
1874 | char *ts_strbuf; | |
1875 | int ts_buflen; | |
1876 | }; | |
1877 | ||
ac9a91a7 JM |
1878 | static gdb_file_flush_ftype tui_file_flush; |
1879 | extern gdb_file_fputs_ftype tui_file_fputs; | |
1880 | static gdb_file_isatty_ftype tui_file_isatty; | |
0f71a2f6 JM |
1881 | static gdb_file_rewind_ftype tui_file_rewind; |
1882 | static gdb_file_put_ftype tui_file_put; | |
ac9a91a7 JM |
1883 | static gdb_file_delete_ftype tui_file_delete; |
1884 | static struct gdb_file *tui_file_new PARAMS ((void)); | |
1885 | static int tui_file_magic; | |
1886 | ||
1887 | static struct gdb_file * | |
1888 | tui_file_new () | |
1889 | { | |
1890 | struct tui_stream *tui = xmalloc (sizeof (struct tui_stream)); | |
1891 | struct gdb_file *file = gdb_file_new (); | |
1892 | set_gdb_file_data (file, tui, tui_file_delete); | |
1893 | set_gdb_file_flush (file, tui_file_flush); | |
1894 | set_gdb_file_fputs (file, tui_file_fputs); | |
1895 | set_gdb_file_isatty (file, tui_file_isatty); | |
0f71a2f6 JM |
1896 | set_gdb_file_rewind (file, tui_file_rewind); |
1897 | set_gdb_file_put (file, tui_file_put); | |
ac9a91a7 JM |
1898 | tui->ts_magic = &tui_file_magic; |
1899 | return file; | |
1900 | } | |
1901 | ||
1902 | static void | |
1903 | tui_file_delete (file) | |
1904 | struct gdb_file *file; | |
1905 | { | |
1906 | struct tui_stream *tmpstream = gdb_file_data (file); | |
1907 | if (tmpstream->ts_magic != &tui_file_magic) | |
11cf8741 | 1908 | internal_error ("tui_file_delete: bad magic number"); |
ac9a91a7 | 1909 | if ((tmpstream->ts_streamtype == astring) && |
c5aa993b | 1910 | (tmpstream->ts_strbuf != NULL)) |
ac9a91a7 JM |
1911 | { |
1912 | free (tmpstream->ts_strbuf); | |
1913 | } | |
1914 | free (tmpstream); | |
1915 | } | |
1916 | ||
1917 | struct gdb_file * | |
1918 | tui_fileopen (stream) | |
1919 | FILE *stream; | |
1920 | { | |
1921 | struct gdb_file *file = tui_file_new (); | |
1922 | struct tui_stream *tmpstream = gdb_file_data (file); | |
1923 | tmpstream->ts_streamtype = afile; | |
1924 | tmpstream->ts_filestream = stream; | |
1925 | tmpstream->ts_strbuf = NULL; | |
1926 | tmpstream->ts_buflen = 0; | |
1927 | return file; | |
1928 | } | |
1929 | ||
2acceee2 JM |
1930 | struct gdb_file * |
1931 | tui_sfileopen (n) | |
1932 | int n; | |
1933 | { | |
1934 | struct gdb_file *file = tui_file_new (); | |
1935 | struct tui_stream *tmpstream = gdb_file_data (file); | |
1936 | tmpstream->ts_streamtype = astring; | |
1937 | tmpstream->ts_filestream = NULL; | |
1938 | if (n > 0) | |
1939 | { | |
1940 | tmpstream->ts_strbuf = xmalloc ((n + 1) * sizeof (char)); | |
1941 | tmpstream->ts_strbuf[0] = '\0'; | |
1942 | } | |
1943 | else | |
1944 | /* Do not allocate the buffer now. The first time something is printed | |
11cf8741 | 1945 | one will be allocated by tui_file_adjust_strbuf() */ |
2acceee2 JM |
1946 | tmpstream->ts_strbuf = NULL; |
1947 | tmpstream->ts_buflen = n; | |
1948 | return file; | |
1949 | } | |
1950 | ||
c5aa993b | 1951 | static int |
ac9a91a7 | 1952 | tui_file_isatty (file) |
c5aa993b | 1953 | struct gdb_file *file; |
ac9a91a7 JM |
1954 | { |
1955 | struct tui_stream *stream = gdb_file_data (file); | |
1956 | if (stream->ts_magic != &tui_file_magic) | |
11cf8741 | 1957 | internal_error ("tui_file_isatty: bad magic number"); |
c906108c | 1958 | if (stream->ts_streamtype == afile) |
c5aa993b JM |
1959 | return (isatty (fileno (stream->ts_filestream))); |
1960 | else | |
1961 | return 0; | |
c906108c SS |
1962 | } |
1963 | ||
0f71a2f6 JM |
1964 | static void |
1965 | tui_file_rewind (file) | |
c5aa993b | 1966 | struct gdb_file *file; |
0f71a2f6 JM |
1967 | { |
1968 | struct tui_stream *stream = gdb_file_data (file); | |
1969 | if (stream->ts_magic != &tui_file_magic) | |
11cf8741 | 1970 | internal_error ("tui_file_rewind: bad magic number"); |
0f71a2f6 JM |
1971 | stream->ts_strbuf[0] = '\0'; |
1972 | } | |
1973 | ||
1974 | static void | |
1975 | tui_file_put (file, dest) | |
c5aa993b JM |
1976 | struct gdb_file *file; |
1977 | struct gdb_file *dest; | |
0f71a2f6 JM |
1978 | { |
1979 | struct tui_stream *stream = gdb_file_data (file); | |
1980 | if (stream->ts_magic != &tui_file_magic) | |
11cf8741 | 1981 | internal_error ("tui_file_put: bad magic number"); |
0f71a2f6 JM |
1982 | if (stream->ts_streamtype == astring) |
1983 | { | |
1984 | fputs_unfiltered (stream->ts_strbuf, dest); | |
1985 | } | |
1986 | } | |
1987 | ||
104c1213 JM |
1988 | /* All TUI I/O sent to the *_filtered and *_unfiltered functions |
1989 | eventually ends up here. The fputs_unfiltered_hook is primarily | |
1990 | used by GUIs to collect all output and send it to the GUI, instead | |
1991 | of the controlling terminal. Only output to gdb_stdout and | |
1992 | gdb_stderr are sent to the hook. Everything else is sent on to | |
1993 | fputs to allow file I/O to be handled appropriately. */ | |
1994 | ||
1995 | /* FIXME: Should be broken up and moved to a TUI specific file. */ | |
1996 | ||
1997 | void | |
1998 | tui_file_fputs (linebuffer, file) | |
1999 | const char *linebuffer; | |
2000 | GDB_FILE *file; | |
2001 | { | |
2002 | struct tui_stream *stream = gdb_file_data (file); | |
2003 | #if defined(TUI) | |
2004 | extern int tui_owns_terminal; | |
2005 | #endif | |
917317f4 JM |
2006 | /* NOTE: cagney/1999-10-13: The use of fputs_unfiltered_hook is |
2007 | seriously discouraged. Those wanting to hook output should | |
2008 | instead implement their own gdb_file object and install that. See | |
2009 | also tui_file_flush(). */ | |
104c1213 JM |
2010 | if (fputs_unfiltered_hook |
2011 | && (file == gdb_stdout | |
2012 | || file == gdb_stderr)) | |
2013 | fputs_unfiltered_hook (linebuffer, file); | |
2014 | else | |
2015 | { | |
2016 | #if defined(TUI) | |
2017 | if (tui_version && tui_owns_terminal) | |
2018 | { | |
2019 | /* If we get here somehow while updating the TUI (from | |
2020 | * within a tuiDo(), then we need to temporarily | |
2021 | * set up the terminal for GDB output. This probably just | |
2022 | * happens on error output. | |
2023 | */ | |
2024 | ||
2025 | if (stream->ts_streamtype == astring) | |
2026 | { | |
11cf8741 | 2027 | tui_file_adjust_strbuf (strlen (linebuffer), stream); |
104c1213 JM |
2028 | strcat (stream->ts_strbuf, linebuffer); |
2029 | } | |
2030 | else | |
2031 | { | |
2032 | tuiTermUnsetup (0, (tui_version) ? cmdWin->detail.commandInfo.curch : 0); | |
2033 | fputs (linebuffer, stream->ts_filestream); | |
2034 | tuiTermSetup (0); | |
2035 | if (linebuffer[strlen (linebuffer) - 1] == '\n') | |
2036 | tuiClearCommandCharCount (); | |
2037 | else | |
2038 | tuiIncrCommandCharCountBy (strlen (linebuffer)); | |
2039 | } | |
2040 | } | |
2041 | else | |
2042 | { | |
2043 | /* The normal case - just do a fputs() */ | |
2044 | if (stream->ts_streamtype == astring) | |
2045 | { | |
11cf8741 | 2046 | tui_file_adjust_strbuf (strlen (linebuffer), stream); |
104c1213 JM |
2047 | strcat (stream->ts_strbuf, linebuffer); |
2048 | } | |
2049 | else | |
2050 | fputs (linebuffer, stream->ts_filestream); | |
2051 | } | |
2052 | ||
2053 | ||
2054 | #else | |
2055 | if (stream->ts_streamtype == astring) | |
2056 | { | |
11cf8741 | 2057 | tui_file_adjust_strbuf (strlen (linebuffer), file); |
104c1213 JM |
2058 | strcat (stream->ts_strbuf, linebuffer); |
2059 | } | |
2060 | else | |
2061 | fputs (linebuffer, stream->ts_filestream); | |
2062 | #endif | |
2063 | } | |
2064 | } | |
2065 | ||
c906108c | 2066 | char * |
11cf8741 | 2067 | tui_file_get_strbuf (struct gdb_file *file) |
c906108c | 2068 | { |
ac9a91a7 JM |
2069 | struct tui_stream *stream = gdb_file_data (file); |
2070 | if (stream->ts_magic != &tui_file_magic) | |
11cf8741 | 2071 | internal_error ("tui_file_get_strbuf: bad magic number"); |
c906108c SS |
2072 | return (stream->ts_strbuf); |
2073 | } | |
2074 | ||
2075 | /* adjust the length of the buffer by the amount necessary | |
2076 | to accomodate appending a string of length N to the buffer contents */ | |
2077 | void | |
11cf8741 | 2078 | tui_file_adjust_strbuf (int n, struct gdb_file *file) |
c906108c | 2079 | { |
ac9a91a7 | 2080 | struct tui_stream *stream = gdb_file_data (file); |
c906108c | 2081 | int non_null_chars; |
ac9a91a7 | 2082 | if (stream->ts_magic != &tui_file_magic) |
11cf8741 | 2083 | internal_error ("tui_file_adjust_strbuf: bad magic number"); |
392a587b JM |
2084 | |
2085 | if (stream->ts_streamtype != astring) | |
2086 | return; | |
c5aa993b | 2087 | |
392a587b | 2088 | if (stream->ts_strbuf) |
c906108c | 2089 | { |
392a587b | 2090 | /* There is already a buffer allocated */ |
c5aa993b JM |
2091 | non_null_chars = strlen (stream->ts_strbuf); |
2092 | ||
2093 | if (n > (stream->ts_buflen - non_null_chars - 1)) | |
2094 | { | |
2095 | stream->ts_buflen = n + non_null_chars + 1; | |
2096 | stream->ts_strbuf = xrealloc (stream->ts_strbuf, stream->ts_buflen); | |
2097 | } | |
2098 | } | |
392a587b JM |
2099 | else |
2100 | /* No buffer yet, so allocate one of the desired size */ | |
2101 | stream->ts_strbuf = xmalloc ((n + 1) * sizeof (char)); | |
c5aa993b | 2102 | } |
c906108c SS |
2103 | |
2104 | GDB_FILE * | |
2105 | gdb_fopen (name, mode) | |
c5aa993b JM |
2106 | char *name; |
2107 | char *mode; | |
c906108c | 2108 | { |
ac9a91a7 JM |
2109 | FILE *f = fopen (name, mode); |
2110 | if (f == NULL) | |
2111 | return NULL; | |
2112 | return stdio_file_new (f, 1); | |
c906108c SS |
2113 | } |
2114 | ||
ac9a91a7 JM |
2115 | static void |
2116 | tui_file_flush (file) | |
2117 | GDB_FILE *file; | |
c906108c | 2118 | { |
ac9a91a7 JM |
2119 | struct tui_stream *stream = gdb_file_data (file); |
2120 | if (stream->ts_magic != &tui_file_magic) | |
917317f4 JM |
2121 | internal_error ("tui_file_flush: bad magic number"); |
2122 | ||
2123 | /* NOTE: cagney/1999-10-12: If we've been linked with code that uses | |
2124 | fputs_unfiltered_hook then we assume that it doesn't need to know | |
2125 | about flushes. Code that does need to know about flushes can | |
2126 | implement a proper gdb_file object. */ | |
2127 | if (fputs_unfiltered_hook) | |
2128 | return; | |
2129 | ||
2130 | switch (stream->ts_streamtype) | |
c906108c | 2131 | { |
917317f4 JM |
2132 | case astring: |
2133 | break; | |
2134 | case afile: | |
2135 | fflush (stream->ts_filestream); | |
2136 | break; | |
c906108c | 2137 | } |
c906108c SS |
2138 | } |
2139 | ||
ac9a91a7 JM |
2140 | /* Implement the ``struct gdb_file'' object. */ |
2141 | ||
2142 | static gdb_file_isatty_ftype null_file_isatty; | |
11cf8741 | 2143 | static gdb_file_write_ftype null_file_write; |
ac9a91a7 JM |
2144 | static gdb_file_fputs_ftype null_file_fputs; |
2145 | static gdb_file_flush_ftype null_file_flush; | |
2146 | static gdb_file_delete_ftype null_file_delete; | |
0f71a2f6 JM |
2147 | static gdb_file_rewind_ftype null_file_rewind; |
2148 | static gdb_file_put_ftype null_file_put; | |
ac9a91a7 JM |
2149 | |
2150 | struct gdb_file | |
c5aa993b JM |
2151 | { |
2152 | gdb_file_flush_ftype *to_flush; | |
11cf8741 | 2153 | gdb_file_write_ftype *to_write; |
c5aa993b JM |
2154 | gdb_file_fputs_ftype *to_fputs; |
2155 | gdb_file_delete_ftype *to_delete; | |
2156 | gdb_file_isatty_ftype *to_isatty; | |
2157 | gdb_file_rewind_ftype *to_rewind; | |
2158 | gdb_file_put_ftype *to_put; | |
2159 | void *to_data; | |
2160 | }; | |
ac9a91a7 JM |
2161 | |
2162 | struct gdb_file * | |
2163 | gdb_file_new () | |
2164 | { | |
2165 | struct gdb_file *file = xmalloc (sizeof (struct gdb_file)); | |
2166 | set_gdb_file_data (file, NULL, null_file_delete); | |
2167 | set_gdb_file_flush (file, null_file_flush); | |
11cf8741 | 2168 | set_gdb_file_write (file, null_file_write); |
ac9a91a7 JM |
2169 | set_gdb_file_fputs (file, null_file_fputs); |
2170 | set_gdb_file_isatty (file, null_file_isatty); | |
0f71a2f6 JM |
2171 | set_gdb_file_rewind (file, null_file_rewind); |
2172 | set_gdb_file_put (file, null_file_put); | |
ac9a91a7 JM |
2173 | return file; |
2174 | } | |
c906108c | 2175 | |
ac9a91a7 JM |
2176 | void |
2177 | gdb_file_delete (file) | |
2178 | struct gdb_file *file; | |
2179 | { | |
2180 | file->to_delete (file); | |
2181 | free (file); | |
2182 | } | |
2183 | ||
2184 | static int | |
2185 | null_file_isatty (file) | |
2186 | struct gdb_file *file; | |
2187 | { | |
2188 | return 0; | |
2189 | } | |
2190 | ||
0f71a2f6 JM |
2191 | static void |
2192 | null_file_rewind (file) | |
2193 | struct gdb_file *file; | |
2194 | { | |
2195 | return; | |
2196 | } | |
2197 | ||
2198 | static void | |
2199 | null_file_put (file, src) | |
2200 | struct gdb_file *file; | |
2201 | struct gdb_file *src; | |
2202 | { | |
2203 | return; | |
2204 | } | |
2205 | ||
ac9a91a7 JM |
2206 | static void |
2207 | null_file_flush (file) | |
2208 | struct gdb_file *file; | |
2209 | { | |
2210 | return; | |
2211 | } | |
2212 | ||
11cf8741 JM |
2213 | static void |
2214 | null_file_write (struct gdb_file *file, | |
2215 | const char *buf, | |
2216 | long sizeof_buf) | |
2217 | { | |
2218 | if (file->to_fputs == null_file_fputs) | |
2219 | /* Both the write and fputs methods are null. Discard the | |
2220 | request. */ | |
2221 | return; | |
2222 | else | |
2223 | { | |
2224 | /* The fputs method isn't null, slowly pass the write request | |
2225 | onto that. FYI, this isn't as bad as it may look - the | |
2226 | current (as of 1999-11-07) printf_* function calls fputc and | |
2227 | fputc does exactly the below. By having a write function it | |
2228 | is possible to clean up that code. */ | |
2229 | int i; | |
2230 | char b[2]; | |
2231 | b[1] = '\0'; | |
2232 | for (i = 0; i < sizeof_buf; i++) | |
2233 | { | |
2234 | b[0] = buf[i]; | |
2235 | file->to_fputs (b, file); | |
2236 | } | |
2237 | return; | |
2238 | } | |
2239 | } | |
2240 | ||
ac9a91a7 JM |
2241 | static void |
2242 | null_file_fputs (buf, file) | |
2243 | const char *buf; | |
2244 | struct gdb_file *file; | |
2245 | { | |
11cf8741 JM |
2246 | if (file->to_write == null_file_write) |
2247 | /* Both the write and fputs methods are null. Discard the | |
2248 | request. */ | |
2249 | return; | |
2250 | else | |
2251 | { | |
2252 | /* The write method was implemented, use that. */ | |
2253 | file->to_write (file, buf, strlen (buf)); | |
2254 | } | |
ac9a91a7 JM |
2255 | } |
2256 | ||
2257 | static void | |
2258 | null_file_delete (file) | |
2259 | struct gdb_file *file; | |
2260 | { | |
2261 | return; | |
2262 | } | |
2263 | ||
2264 | void * | |
2265 | gdb_file_data (file) | |
2266 | struct gdb_file *file; | |
2267 | { | |
2268 | return file->to_data; | |
2269 | } | |
2270 | ||
2271 | void | |
2272 | gdb_flush (file) | |
2273 | struct gdb_file *file; | |
2274 | { | |
2275 | file->to_flush (file); | |
2276 | } | |
2277 | ||
2278 | int | |
2279 | gdb_file_isatty (file) | |
2280 | struct gdb_file *file; | |
2281 | { | |
2282 | return file->to_isatty (file); | |
2283 | } | |
2284 | ||
0f71a2f6 JM |
2285 | void |
2286 | gdb_file_rewind (file) | |
2287 | struct gdb_file *file; | |
2288 | { | |
085dd6e6 | 2289 | file->to_rewind (file); |
0f71a2f6 JM |
2290 | } |
2291 | ||
2292 | void | |
2293 | gdb_file_put (file, dest) | |
2294 | struct gdb_file *file; | |
2295 | struct gdb_file *dest; | |
2296 | { | |
085dd6e6 | 2297 | file->to_put (file, dest); |
0f71a2f6 JM |
2298 | } |
2299 | ||
11cf8741 JM |
2300 | void |
2301 | gdb_file_write (struct gdb_file *file, | |
2302 | const char *buf, | |
2303 | long length_buf) | |
2304 | { | |
2305 | file->to_write (file, buf, length_buf); | |
2306 | } | |
2307 | ||
ac9a91a7 JM |
2308 | void |
2309 | fputs_unfiltered (buf, file) | |
2310 | const char *buf; | |
2311 | struct gdb_file *file; | |
2312 | { | |
2313 | file->to_fputs (buf, file); | |
2314 | } | |
2315 | ||
2316 | void | |
2317 | set_gdb_file_flush (file, flush) | |
2318 | struct gdb_file *file; | |
2319 | gdb_file_flush_ftype *flush; | |
2320 | { | |
2321 | file->to_flush = flush; | |
2322 | } | |
2323 | ||
2324 | void | |
2325 | set_gdb_file_isatty (file, isatty) | |
2326 | struct gdb_file *file; | |
2327 | gdb_file_isatty_ftype *isatty; | |
2328 | { | |
2329 | file->to_isatty = isatty; | |
2330 | } | |
2331 | ||
0f71a2f6 JM |
2332 | void |
2333 | set_gdb_file_rewind (file, rewind) | |
2334 | struct gdb_file *file; | |
2335 | gdb_file_rewind_ftype *rewind; | |
2336 | { | |
2337 | file->to_rewind = rewind; | |
2338 | } | |
2339 | ||
2340 | void | |
2341 | set_gdb_file_put (file, put) | |
2342 | struct gdb_file *file; | |
2343 | gdb_file_put_ftype *put; | |
2344 | { | |
2345 | file->to_put = put; | |
2346 | } | |
2347 | ||
11cf8741 JM |
2348 | void |
2349 | set_gdb_file_write (struct gdb_file *file, | |
2350 | gdb_file_write_ftype *write) | |
2351 | { | |
2352 | file->to_write = write; | |
2353 | } | |
2354 | ||
ac9a91a7 JM |
2355 | void |
2356 | set_gdb_file_fputs (file, fputs) | |
2357 | struct gdb_file *file; | |
2358 | gdb_file_fputs_ftype *fputs; | |
2359 | { | |
2360 | file->to_fputs = fputs; | |
2361 | } | |
2362 | ||
2363 | void | |
2364 | set_gdb_file_data (file, data, delete) | |
2365 | struct gdb_file *file; | |
2366 | void *data; | |
2367 | gdb_file_delete_ftype *delete; | |
2368 | { | |
2369 | file->to_data = data; | |
2370 | file->to_delete = delete; | |
c906108c SS |
2371 | } |
2372 | ||
2373 | /* Like fputs but if FILTER is true, pause after every screenful. | |
2374 | ||
2375 | Regardless of FILTER can wrap at points other than the final | |
2376 | character of a line. | |
2377 | ||
2378 | Unlike fputs, fputs_maybe_filtered does not return a value. | |
2379 | It is OK for LINEBUFFER to be NULL, in which case just don't print | |
2380 | anything. | |
2381 | ||
2382 | Note that a longjmp to top level may occur in this routine (only if | |
2383 | FILTER is true) (since prompt_for_continue may do so) so this | |
2384 | routine should not be called when cleanups are not in place. */ | |
2385 | ||
2386 | static void | |
2387 | fputs_maybe_filtered (linebuffer, stream, filter) | |
2388 | const char *linebuffer; | |
2389 | GDB_FILE *stream; | |
2390 | int filter; | |
2391 | { | |
2392 | const char *lineptr; | |
2393 | ||
2394 | if (linebuffer == 0) | |
2395 | return; | |
2396 | ||
2397 | /* Don't do any filtering if it is disabled. */ | |
7a292a7a | 2398 | if ((stream != gdb_stdout) || !pagination_enabled |
c5aa993b | 2399 | || (lines_per_page == UINT_MAX && chars_per_line == UINT_MAX)) |
c906108c SS |
2400 | { |
2401 | fputs_unfiltered (linebuffer, stream); | |
2402 | return; | |
2403 | } | |
2404 | ||
2405 | /* Go through and output each character. Show line extension | |
2406 | when this is necessary; prompt user for new page when this is | |
2407 | necessary. */ | |
c5aa993b | 2408 | |
c906108c SS |
2409 | lineptr = linebuffer; |
2410 | while (*lineptr) | |
2411 | { | |
2412 | /* Possible new page. */ | |
2413 | if (filter && | |
2414 | (lines_printed >= lines_per_page - 1)) | |
2415 | prompt_for_continue (); | |
2416 | ||
2417 | while (*lineptr && *lineptr != '\n') | |
2418 | { | |
2419 | /* Print a single line. */ | |
2420 | if (*lineptr == '\t') | |
2421 | { | |
2422 | if (wrap_column) | |
2423 | *wrap_pointer++ = '\t'; | |
2424 | else | |
2425 | fputc_unfiltered ('\t', stream); | |
2426 | /* Shifting right by 3 produces the number of tab stops | |
2427 | we have already passed, and then adding one and | |
c5aa993b | 2428 | shifting left 3 advances to the next tab stop. */ |
c906108c SS |
2429 | chars_printed = ((chars_printed >> 3) + 1) << 3; |
2430 | lineptr++; | |
2431 | } | |
2432 | else | |
2433 | { | |
2434 | if (wrap_column) | |
2435 | *wrap_pointer++ = *lineptr; | |
2436 | else | |
c5aa993b | 2437 | fputc_unfiltered (*lineptr, stream); |
c906108c SS |
2438 | chars_printed++; |
2439 | lineptr++; | |
2440 | } | |
c5aa993b | 2441 | |
c906108c SS |
2442 | if (chars_printed >= chars_per_line) |
2443 | { | |
2444 | unsigned int save_chars = chars_printed; | |
2445 | ||
2446 | chars_printed = 0; | |
2447 | lines_printed++; | |
2448 | /* If we aren't actually wrapping, don't output newline -- | |
c5aa993b JM |
2449 | if chars_per_line is right, we probably just overflowed |
2450 | anyway; if it's wrong, let us keep going. */ | |
c906108c SS |
2451 | if (wrap_column) |
2452 | fputc_unfiltered ('\n', stream); | |
2453 | ||
2454 | /* Possible new page. */ | |
2455 | if (lines_printed >= lines_per_page - 1) | |
2456 | prompt_for_continue (); | |
2457 | ||
2458 | /* Now output indentation and wrapped string */ | |
2459 | if (wrap_column) | |
2460 | { | |
2461 | fputs_unfiltered (wrap_indent, stream); | |
c5aa993b JM |
2462 | *wrap_pointer = '\0'; /* Null-terminate saved stuff */ |
2463 | fputs_unfiltered (wrap_buffer, stream); /* and eject it */ | |
c906108c SS |
2464 | /* FIXME, this strlen is what prevents wrap_indent from |
2465 | containing tabs. However, if we recurse to print it | |
2466 | and count its chars, we risk trouble if wrap_indent is | |
2467 | longer than (the user settable) chars_per_line. | |
2468 | Note also that this can set chars_printed > chars_per_line | |
2469 | if we are printing a long string. */ | |
2470 | chars_printed = strlen (wrap_indent) | |
c5aa993b | 2471 | + (save_chars - wrap_column); |
c906108c SS |
2472 | wrap_pointer = wrap_buffer; /* Reset buffer */ |
2473 | wrap_buffer[0] = '\0'; | |
c5aa993b JM |
2474 | wrap_column = 0; /* And disable fancy wrap */ |
2475 | } | |
c906108c SS |
2476 | } |
2477 | } | |
2478 | ||
2479 | if (*lineptr == '\n') | |
2480 | { | |
2481 | chars_printed = 0; | |
c5aa993b | 2482 | wrap_here ((char *) 0); /* Spit out chars, cancel further wraps */ |
c906108c SS |
2483 | lines_printed++; |
2484 | fputc_unfiltered ('\n', stream); | |
2485 | lineptr++; | |
2486 | } | |
2487 | } | |
2488 | } | |
2489 | ||
2490 | void | |
2491 | fputs_filtered (linebuffer, stream) | |
2492 | const char *linebuffer; | |
2493 | GDB_FILE *stream; | |
2494 | { | |
2495 | fputs_maybe_filtered (linebuffer, stream, 1); | |
2496 | } | |
2497 | ||
2498 | int | |
2499 | putchar_unfiltered (c) | |
2500 | int c; | |
2501 | { | |
11cf8741 JM |
2502 | char buf = c; |
2503 | gdb_file_write (gdb_stdout, &buf, 1); | |
c906108c SS |
2504 | return c; |
2505 | } | |
2506 | ||
2507 | int | |
2508 | fputc_unfiltered (c, stream) | |
2509 | int c; | |
c5aa993b | 2510 | GDB_FILE *stream; |
c906108c | 2511 | { |
11cf8741 JM |
2512 | char buf = c; |
2513 | gdb_file_write (stream, &buf, 1); | |
c906108c SS |
2514 | return c; |
2515 | } | |
2516 | ||
2517 | int | |
2518 | fputc_filtered (c, stream) | |
2519 | int c; | |
c5aa993b | 2520 | GDB_FILE *stream; |
c906108c SS |
2521 | { |
2522 | char buf[2]; | |
2523 | ||
2524 | buf[0] = c; | |
2525 | buf[1] = 0; | |
2526 | fputs_filtered (buf, stream); | |
2527 | return c; | |
2528 | } | |
2529 | ||
2530 | /* puts_debug is like fputs_unfiltered, except it prints special | |
2531 | characters in printable fashion. */ | |
2532 | ||
2533 | void | |
2534 | puts_debug (prefix, string, suffix) | |
2535 | char *prefix; | |
2536 | char *string; | |
2537 | char *suffix; | |
2538 | { | |
2539 | int ch; | |
2540 | ||
2541 | /* Print prefix and suffix after each line. */ | |
2542 | static int new_line = 1; | |
2543 | static int return_p = 0; | |
2544 | static char *prev_prefix = ""; | |
2545 | static char *prev_suffix = ""; | |
2546 | ||
2547 | if (*string == '\n') | |
2548 | return_p = 0; | |
2549 | ||
2550 | /* If the prefix is changing, print the previous suffix, a new line, | |
2551 | and the new prefix. */ | |
c5aa993b | 2552 | if ((return_p || (strcmp (prev_prefix, prefix) != 0)) && !new_line) |
c906108c | 2553 | { |
9846de1b JM |
2554 | fputs_unfiltered (prev_suffix, gdb_stdlog); |
2555 | fputs_unfiltered ("\n", gdb_stdlog); | |
2556 | fputs_unfiltered (prefix, gdb_stdlog); | |
c906108c SS |
2557 | } |
2558 | ||
2559 | /* Print prefix if we printed a newline during the previous call. */ | |
2560 | if (new_line) | |
2561 | { | |
2562 | new_line = 0; | |
9846de1b | 2563 | fputs_unfiltered (prefix, gdb_stdlog); |
c906108c SS |
2564 | } |
2565 | ||
2566 | prev_prefix = prefix; | |
2567 | prev_suffix = suffix; | |
2568 | ||
2569 | /* Output characters in a printable format. */ | |
2570 | while ((ch = *string++) != '\0') | |
2571 | { | |
2572 | switch (ch) | |
c5aa993b | 2573 | { |
c906108c SS |
2574 | default: |
2575 | if (isprint (ch)) | |
9846de1b | 2576 | fputc_unfiltered (ch, gdb_stdlog); |
c906108c SS |
2577 | |
2578 | else | |
9846de1b | 2579 | fprintf_unfiltered (gdb_stdlog, "\\x%02x", ch & 0xff); |
c906108c SS |
2580 | break; |
2581 | ||
c5aa993b JM |
2582 | case '\\': |
2583 | fputs_unfiltered ("\\\\", gdb_stdlog); | |
2584 | break; | |
2585 | case '\b': | |
2586 | fputs_unfiltered ("\\b", gdb_stdlog); | |
2587 | break; | |
2588 | case '\f': | |
2589 | fputs_unfiltered ("\\f", gdb_stdlog); | |
2590 | break; | |
2591 | case '\n': | |
2592 | new_line = 1; | |
2593 | fputs_unfiltered ("\\n", gdb_stdlog); | |
2594 | break; | |
2595 | case '\r': | |
2596 | fputs_unfiltered ("\\r", gdb_stdlog); | |
2597 | break; | |
2598 | case '\t': | |
2599 | fputs_unfiltered ("\\t", gdb_stdlog); | |
2600 | break; | |
2601 | case '\v': | |
2602 | fputs_unfiltered ("\\v", gdb_stdlog); | |
2603 | break; | |
2604 | } | |
c906108c SS |
2605 | |
2606 | return_p = ch == '\r'; | |
2607 | } | |
2608 | ||
2609 | /* Print suffix if we printed a newline. */ | |
2610 | if (new_line) | |
2611 | { | |
9846de1b JM |
2612 | fputs_unfiltered (suffix, gdb_stdlog); |
2613 | fputs_unfiltered ("\n", gdb_stdlog); | |
c906108c SS |
2614 | } |
2615 | } | |
2616 | ||
2617 | ||
2618 | /* Print a variable number of ARGS using format FORMAT. If this | |
2619 | information is going to put the amount written (since the last call | |
2620 | to REINITIALIZE_MORE_FILTER or the last page break) over the page size, | |
2621 | call prompt_for_continue to get the users permision to continue. | |
2622 | ||
2623 | Unlike fprintf, this function does not return a value. | |
2624 | ||
2625 | We implement three variants, vfprintf (takes a vararg list and stream), | |
2626 | fprintf (takes a stream to write on), and printf (the usual). | |
2627 | ||
2628 | Note also that a longjmp to top level may occur in this routine | |
2629 | (since prompt_for_continue may do so) so this routine should not be | |
2630 | called when cleanups are not in place. */ | |
2631 | ||
2632 | static void | |
2633 | vfprintf_maybe_filtered (stream, format, args, filter) | |
2634 | GDB_FILE *stream; | |
2635 | const char *format; | |
2636 | va_list args; | |
2637 | int filter; | |
2638 | { | |
2639 | char *linebuffer; | |
2640 | struct cleanup *old_cleanups; | |
2641 | ||
2642 | vasprintf (&linebuffer, format, args); | |
2643 | if (linebuffer == NULL) | |
2644 | { | |
2645 | fputs_unfiltered ("\ngdb: virtual memory exhausted.\n", gdb_stderr); | |
2646 | exit (1); | |
2647 | } | |
2648 | old_cleanups = make_cleanup (free, linebuffer); | |
2649 | fputs_maybe_filtered (linebuffer, stream, filter); | |
2650 | do_cleanups (old_cleanups); | |
2651 | } | |
2652 | ||
2653 | ||
2654 | void | |
2655 | vfprintf_filtered (stream, format, args) | |
2656 | GDB_FILE *stream; | |
2657 | const char *format; | |
2658 | va_list args; | |
2659 | { | |
2660 | vfprintf_maybe_filtered (stream, format, args, 1); | |
2661 | } | |
2662 | ||
2663 | void | |
2664 | vfprintf_unfiltered (stream, format, args) | |
2665 | GDB_FILE *stream; | |
2666 | const char *format; | |
2667 | va_list args; | |
2668 | { | |
2669 | char *linebuffer; | |
2670 | struct cleanup *old_cleanups; | |
2671 | ||
2672 | vasprintf (&linebuffer, format, args); | |
2673 | if (linebuffer == NULL) | |
2674 | { | |
2675 | fputs_unfiltered ("\ngdb: virtual memory exhausted.\n", gdb_stderr); | |
2676 | exit (1); | |
2677 | } | |
2678 | old_cleanups = make_cleanup (free, linebuffer); | |
2679 | fputs_unfiltered (linebuffer, stream); | |
2680 | do_cleanups (old_cleanups); | |
2681 | } | |
2682 | ||
2683 | void | |
2684 | vprintf_filtered (format, args) | |
2685 | const char *format; | |
2686 | va_list args; | |
2687 | { | |
2688 | vfprintf_maybe_filtered (gdb_stdout, format, args, 1); | |
2689 | } | |
2690 | ||
2691 | void | |
2692 | vprintf_unfiltered (format, args) | |
2693 | const char *format; | |
2694 | va_list args; | |
2695 | { | |
2696 | vfprintf_unfiltered (gdb_stdout, format, args); | |
2697 | } | |
2698 | ||
c906108c | 2699 | void |
c5aa993b | 2700 | fprintf_filtered (GDB_FILE * stream, const char *format,...) |
c906108c SS |
2701 | { |
2702 | va_list args; | |
c906108c | 2703 | va_start (args, format); |
c906108c SS |
2704 | vfprintf_filtered (stream, format, args); |
2705 | va_end (args); | |
2706 | } | |
2707 | ||
c906108c | 2708 | void |
c5aa993b | 2709 | fprintf_unfiltered (GDB_FILE * stream, const char *format,...) |
c906108c SS |
2710 | { |
2711 | va_list args; | |
c906108c | 2712 | va_start (args, format); |
c906108c SS |
2713 | vfprintf_unfiltered (stream, format, args); |
2714 | va_end (args); | |
2715 | } | |
2716 | ||
2717 | /* Like fprintf_filtered, but prints its result indented. | |
2718 | Called as fprintfi_filtered (spaces, stream, format, ...); */ | |
2719 | ||
c906108c | 2720 | void |
c5aa993b | 2721 | fprintfi_filtered (int spaces, GDB_FILE * stream, const char *format,...) |
c906108c SS |
2722 | { |
2723 | va_list args; | |
c906108c | 2724 | va_start (args, format); |
c906108c SS |
2725 | print_spaces_filtered (spaces, stream); |
2726 | ||
2727 | vfprintf_filtered (stream, format, args); | |
2728 | va_end (args); | |
2729 | } | |
2730 | ||
2731 | ||
c906108c | 2732 | void |
c5aa993b | 2733 | printf_filtered (const char *format,...) |
c906108c SS |
2734 | { |
2735 | va_list args; | |
c906108c | 2736 | va_start (args, format); |
c906108c SS |
2737 | vfprintf_filtered (gdb_stdout, format, args); |
2738 | va_end (args); | |
2739 | } | |
2740 | ||
2741 | ||
c906108c | 2742 | void |
c5aa993b | 2743 | printf_unfiltered (const char *format,...) |
c906108c SS |
2744 | { |
2745 | va_list args; | |
c906108c | 2746 | va_start (args, format); |
c906108c SS |
2747 | vfprintf_unfiltered (gdb_stdout, format, args); |
2748 | va_end (args); | |
2749 | } | |
2750 | ||
2751 | /* Like printf_filtered, but prints it's result indented. | |
2752 | Called as printfi_filtered (spaces, format, ...); */ | |
2753 | ||
c906108c | 2754 | void |
c5aa993b | 2755 | printfi_filtered (int spaces, const char *format,...) |
c906108c SS |
2756 | { |
2757 | va_list args; | |
c906108c | 2758 | va_start (args, format); |
c906108c SS |
2759 | print_spaces_filtered (spaces, gdb_stdout); |
2760 | vfprintf_filtered (gdb_stdout, format, args); | |
2761 | va_end (args); | |
2762 | } | |
2763 | ||
2764 | /* Easy -- but watch out! | |
2765 | ||
2766 | This routine is *not* a replacement for puts()! puts() appends a newline. | |
2767 | This one doesn't, and had better not! */ | |
2768 | ||
2769 | void | |
2770 | puts_filtered (string) | |
2771 | const char *string; | |
2772 | { | |
2773 | fputs_filtered (string, gdb_stdout); | |
2774 | } | |
2775 | ||
2776 | void | |
2777 | puts_unfiltered (string) | |
2778 | const char *string; | |
2779 | { | |
2780 | fputs_unfiltered (string, gdb_stdout); | |
2781 | } | |
2782 | ||
2783 | /* Return a pointer to N spaces and a null. The pointer is good | |
2784 | until the next call to here. */ | |
2785 | char * | |
2786 | n_spaces (n) | |
2787 | int n; | |
2788 | { | |
392a587b JM |
2789 | char *t; |
2790 | static char *spaces = 0; | |
2791 | static int max_spaces = -1; | |
c906108c SS |
2792 | |
2793 | if (n > max_spaces) | |
2794 | { | |
2795 | if (spaces) | |
2796 | free (spaces); | |
c5aa993b JM |
2797 | spaces = (char *) xmalloc (n + 1); |
2798 | for (t = spaces + n; t != spaces;) | |
c906108c SS |
2799 | *--t = ' '; |
2800 | spaces[n] = '\0'; | |
2801 | max_spaces = n; | |
2802 | } | |
2803 | ||
2804 | return spaces + max_spaces - n; | |
2805 | } | |
2806 | ||
2807 | /* Print N spaces. */ | |
2808 | void | |
2809 | print_spaces_filtered (n, stream) | |
2810 | int n; | |
2811 | GDB_FILE *stream; | |
2812 | { | |
2813 | fputs_filtered (n_spaces (n), stream); | |
2814 | } | |
2815 | \f | |
2816 | /* C++ demangler stuff. */ | |
2817 | ||
2818 | /* fprintf_symbol_filtered attempts to demangle NAME, a symbol in language | |
2819 | LANG, using demangling args ARG_MODE, and print it filtered to STREAM. | |
2820 | If the name is not mangled, or the language for the name is unknown, or | |
2821 | demangling is off, the name is printed in its "raw" form. */ | |
2822 | ||
2823 | void | |
2824 | fprintf_symbol_filtered (stream, name, lang, arg_mode) | |
2825 | GDB_FILE *stream; | |
2826 | char *name; | |
2827 | enum language lang; | |
2828 | int arg_mode; | |
2829 | { | |
2830 | char *demangled; | |
2831 | ||
2832 | if (name != NULL) | |
2833 | { | |
2834 | /* If user wants to see raw output, no problem. */ | |
2835 | if (!demangle) | |
2836 | { | |
2837 | fputs_filtered (name, stream); | |
2838 | } | |
2839 | else | |
2840 | { | |
2841 | switch (lang) | |
2842 | { | |
2843 | case language_cplus: | |
2844 | demangled = cplus_demangle (name, arg_mode); | |
2845 | break; | |
2846 | case language_java: | |
2847 | demangled = cplus_demangle (name, arg_mode | DMGL_JAVA); | |
2848 | break; | |
2849 | case language_chill: | |
2850 | demangled = chill_demangle (name); | |
2851 | break; | |
2852 | default: | |
2853 | demangled = NULL; | |
2854 | break; | |
2855 | } | |
2856 | fputs_filtered (demangled ? demangled : name, stream); | |
2857 | if (demangled != NULL) | |
2858 | { | |
2859 | free (demangled); | |
2860 | } | |
2861 | } | |
2862 | } | |
2863 | } | |
2864 | ||
2865 | /* Do a strcmp() type operation on STRING1 and STRING2, ignoring any | |
2866 | differences in whitespace. Returns 0 if they match, non-zero if they | |
2867 | don't (slightly different than strcmp()'s range of return values). | |
c5aa993b | 2868 | |
c906108c SS |
2869 | As an extra hack, string1=="FOO(ARGS)" matches string2=="FOO". |
2870 | This "feature" is useful when searching for matching C++ function names | |
2871 | (such as if the user types 'break FOO', where FOO is a mangled C++ | |
2872 | function). */ | |
2873 | ||
2874 | int | |
2875 | strcmp_iw (string1, string2) | |
2876 | const char *string1; | |
2877 | const char *string2; | |
2878 | { | |
2879 | while ((*string1 != '\0') && (*string2 != '\0')) | |
2880 | { | |
2881 | while (isspace (*string1)) | |
2882 | { | |
2883 | string1++; | |
2884 | } | |
2885 | while (isspace (*string2)) | |
2886 | { | |
2887 | string2++; | |
2888 | } | |
2889 | if (*string1 != *string2) | |
2890 | { | |
2891 | break; | |
2892 | } | |
2893 | if (*string1 != '\0') | |
2894 | { | |
2895 | string1++; | |
2896 | string2++; | |
2897 | } | |
2898 | } | |
2899 | return (*string1 != '\0' && *string1 != '(') || (*string2 != '\0'); | |
2900 | } | |
c906108c | 2901 | \f |
c5aa993b | 2902 | |
c906108c | 2903 | /* |
c5aa993b JM |
2904 | ** subset_compare() |
2905 | ** Answer whether string_to_compare is a full or partial match to | |
2906 | ** template_string. The partial match must be in sequence starting | |
2907 | ** at index 0. | |
2908 | */ | |
c906108c | 2909 | int |
7a292a7a | 2910 | subset_compare (string_to_compare, template_string) |
c5aa993b JM |
2911 | char *string_to_compare; |
2912 | char *template_string; | |
7a292a7a SS |
2913 | { |
2914 | int match; | |
c5aa993b JM |
2915 | if (template_string != (char *) NULL && string_to_compare != (char *) NULL && |
2916 | strlen (string_to_compare) <= strlen (template_string)) | |
2917 | match = (strncmp (template_string, | |
2918 | string_to_compare, | |
2919 | strlen (string_to_compare)) == 0); | |
7a292a7a SS |
2920 | else |
2921 | match = 0; | |
2922 | return match; | |
2923 | } | |
c906108c SS |
2924 | |
2925 | ||
7a292a7a SS |
2926 | static void pagination_on_command PARAMS ((char *arg, int from_tty)); |
2927 | static void | |
2928 | pagination_on_command (arg, from_tty) | |
c5aa993b JM |
2929 | char *arg; |
2930 | int from_tty; | |
c906108c SS |
2931 | { |
2932 | pagination_enabled = 1; | |
2933 | } | |
2934 | ||
7a292a7a SS |
2935 | static void pagination_on_command PARAMS ((char *arg, int from_tty)); |
2936 | static void | |
2937 | pagination_off_command (arg, from_tty) | |
c5aa993b JM |
2938 | char *arg; |
2939 | int from_tty; | |
c906108c SS |
2940 | { |
2941 | pagination_enabled = 0; | |
2942 | } | |
c906108c | 2943 | \f |
c5aa993b | 2944 | |
c906108c SS |
2945 | void |
2946 | initialize_utils () | |
2947 | { | |
2948 | struct cmd_list_element *c; | |
2949 | ||
c5aa993b JM |
2950 | c = add_set_cmd ("width", class_support, var_uinteger, |
2951 | (char *) &chars_per_line, | |
2952 | "Set number of characters gdb thinks are in a line.", | |
2953 | &setlist); | |
c906108c SS |
2954 | add_show_from_set (c, &showlist); |
2955 | c->function.sfunc = set_width_command; | |
2956 | ||
2957 | add_show_from_set | |
2958 | (add_set_cmd ("height", class_support, | |
c5aa993b | 2959 | var_uinteger, (char *) &lines_per_page, |
c906108c SS |
2960 | "Set number of lines gdb thinks are in a page.", &setlist), |
2961 | &showlist); | |
c5aa993b | 2962 | |
c906108c SS |
2963 | init_page_info (); |
2964 | ||
2965 | /* If the output is not a terminal, don't paginate it. */ | |
2966 | if (!GDB_FILE_ISATTY (gdb_stdout)) | |
2967 | lines_per_page = UINT_MAX; | |
2968 | ||
c5aa993b | 2969 | set_width_command ((char *) NULL, 0, c); |
c906108c SS |
2970 | |
2971 | add_show_from_set | |
c5aa993b JM |
2972 | (add_set_cmd ("demangle", class_support, var_boolean, |
2973 | (char *) &demangle, | |
2974 | "Set demangling of encoded C++ names when displaying symbols.", | |
c906108c SS |
2975 | &setprintlist), |
2976 | &showprintlist); | |
2977 | ||
2978 | add_show_from_set | |
2979 | (add_set_cmd ("pagination", class_support, | |
c5aa993b | 2980 | var_boolean, (char *) &pagination_enabled, |
c906108c SS |
2981 | "Set state of pagination.", &setlist), |
2982 | &showlist); | |
2983 | if (xdb_commands) | |
2984 | { | |
c5aa993b JM |
2985 | add_com ("am", class_support, pagination_on_command, |
2986 | "Enable pagination"); | |
2987 | add_com ("sm", class_support, pagination_off_command, | |
2988 | "Disable pagination"); | |
c906108c SS |
2989 | } |
2990 | ||
2991 | add_show_from_set | |
c5aa993b JM |
2992 | (add_set_cmd ("sevenbit-strings", class_support, var_boolean, |
2993 | (char *) &sevenbit_strings, | |
2994 | "Set printing of 8-bit characters in strings as \\nnn.", | |
c906108c SS |
2995 | &setprintlist), |
2996 | &showprintlist); | |
2997 | ||
2998 | add_show_from_set | |
c5aa993b JM |
2999 | (add_set_cmd ("asm-demangle", class_support, var_boolean, |
3000 | (char *) &asm_demangle, | |
3001 | "Set demangling of C++ names in disassembly listings.", | |
c906108c SS |
3002 | &setprintlist), |
3003 | &showprintlist); | |
3004 | } | |
3005 | ||
3006 | /* Machine specific function to handle SIGWINCH signal. */ | |
3007 | ||
3008 | #ifdef SIGWINCH_HANDLER_BODY | |
c5aa993b | 3009 | SIGWINCH_HANDLER_BODY |
c906108c SS |
3010 | #endif |
3011 | \f | |
3012 | /* Support for converting target fp numbers into host DOUBLEST format. */ | |
3013 | ||
3014 | /* XXX - This code should really be in libiberty/floatformat.c, however | |
3015 | configuration issues with libiberty made this very difficult to do in the | |
3016 | available time. */ | |
3017 | ||
3018 | #include "floatformat.h" | |
3019 | #include <math.h> /* ldexp */ | |
3020 | ||
3021 | /* The odds that CHAR_BIT will be anything but 8 are low enough that I'm not | |
3022 | going to bother with trying to muck around with whether it is defined in | |
3023 | a system header, what we do if not, etc. */ | |
3024 | #define FLOATFORMAT_CHAR_BIT 8 | |
3025 | ||
3026 | static unsigned long get_field PARAMS ((unsigned char *, | |
3027 | enum floatformat_byteorders, | |
3028 | unsigned int, | |
3029 | unsigned int, | |
3030 | unsigned int)); | |
3031 | ||
3032 | /* Extract a field which starts at START and is LEN bytes long. DATA and | |
3033 | TOTAL_LEN are the thing we are extracting it from, in byteorder ORDER. */ | |
3034 | static unsigned long | |
3035 | get_field (data, order, total_len, start, len) | |
3036 | unsigned char *data; | |
3037 | enum floatformat_byteorders order; | |
3038 | unsigned int total_len; | |
3039 | unsigned int start; | |
3040 | unsigned int len; | |
3041 | { | |
3042 | unsigned long result; | |
3043 | unsigned int cur_byte; | |
3044 | int cur_bitshift; | |
3045 | ||
3046 | /* Start at the least significant part of the field. */ | |
3047 | cur_byte = (start + len) / FLOATFORMAT_CHAR_BIT; | |
3048 | if (order == floatformat_little || order == floatformat_littlebyte_bigword) | |
3049 | cur_byte = (total_len / FLOATFORMAT_CHAR_BIT) - cur_byte - 1; | |
3050 | cur_bitshift = | |
3051 | ((start + len) % FLOATFORMAT_CHAR_BIT) - FLOATFORMAT_CHAR_BIT; | |
3052 | result = *(data + cur_byte) >> (-cur_bitshift); | |
3053 | cur_bitshift += FLOATFORMAT_CHAR_BIT; | |
3054 | if (order == floatformat_little || order == floatformat_littlebyte_bigword) | |
3055 | ++cur_byte; | |
3056 | else | |
3057 | --cur_byte; | |
3058 | ||
3059 | /* Move towards the most significant part of the field. */ | |
3060 | while (cur_bitshift < len) | |
3061 | { | |
3062 | if (len - cur_bitshift < FLOATFORMAT_CHAR_BIT) | |
3063 | /* This is the last byte; zero out the bits which are not part of | |
3064 | this field. */ | |
3065 | result |= | |
3066 | (*(data + cur_byte) & ((1 << (len - cur_bitshift)) - 1)) | |
c5aa993b | 3067 | << cur_bitshift; |
c906108c SS |
3068 | else |
3069 | result |= *(data + cur_byte) << cur_bitshift; | |
3070 | cur_bitshift += FLOATFORMAT_CHAR_BIT; | |
3071 | if (order == floatformat_little || order == floatformat_littlebyte_bigword) | |
3072 | ++cur_byte; | |
3073 | else | |
3074 | --cur_byte; | |
3075 | } | |
3076 | return result; | |
3077 | } | |
c5aa993b | 3078 | |
c906108c SS |
3079 | /* Convert from FMT to a DOUBLEST. |
3080 | FROM is the address of the extended float. | |
3081 | Store the DOUBLEST in *TO. */ | |
3082 | ||
3083 | void | |
3084 | floatformat_to_doublest (fmt, from, to) | |
3085 | const struct floatformat *fmt; | |
3086 | char *from; | |
3087 | DOUBLEST *to; | |
3088 | { | |
c5aa993b | 3089 | unsigned char *ufrom = (unsigned char *) from; |
c906108c SS |
3090 | DOUBLEST dto; |
3091 | long exponent; | |
3092 | unsigned long mant; | |
3093 | unsigned int mant_bits, mant_off; | |
3094 | int mant_bits_left; | |
3095 | int special_exponent; /* It's a NaN, denorm or zero */ | |
3096 | ||
3097 | /* If the mantissa bits are not contiguous from one end of the | |
3098 | mantissa to the other, we need to make a private copy of the | |
3099 | source bytes that is in the right order since the unpacking | |
3100 | algorithm assumes that the bits are contiguous. | |
3101 | ||
3102 | Swap the bytes individually rather than accessing them through | |
3103 | "long *" since we have no guarantee that they start on a long | |
3104 | alignment, and also sizeof(long) for the host could be different | |
3105 | than sizeof(long) for the target. FIXME: Assumes sizeof(long) | |
3106 | for the target is 4. */ | |
3107 | ||
c5aa993b | 3108 | if (fmt->byteorder == floatformat_littlebyte_bigword) |
c906108c SS |
3109 | { |
3110 | static unsigned char *newfrom; | |
3111 | unsigned char *swapin, *swapout; | |
3112 | int longswaps; | |
3113 | ||
c5aa993b | 3114 | longswaps = fmt->totalsize / FLOATFORMAT_CHAR_BIT; |
c906108c | 3115 | longswaps >>= 3; |
c5aa993b | 3116 | |
c906108c SS |
3117 | if (newfrom == NULL) |
3118 | { | |
c5aa993b | 3119 | newfrom = (unsigned char *) xmalloc (fmt->totalsize); |
c906108c SS |
3120 | } |
3121 | swapout = newfrom; | |
3122 | swapin = ufrom; | |
3123 | ufrom = newfrom; | |
3124 | while (longswaps-- > 0) | |
3125 | { | |
3126 | /* This is ugly, but efficient */ | |
3127 | *swapout++ = swapin[4]; | |
3128 | *swapout++ = swapin[5]; | |
3129 | *swapout++ = swapin[6]; | |
3130 | *swapout++ = swapin[7]; | |
3131 | *swapout++ = swapin[0]; | |
3132 | *swapout++ = swapin[1]; | |
3133 | *swapout++ = swapin[2]; | |
3134 | *swapout++ = swapin[3]; | |
3135 | swapin += 8; | |
3136 | } | |
3137 | } | |
3138 | ||
3139 | exponent = get_field (ufrom, fmt->byteorder, fmt->totalsize, | |
3140 | fmt->exp_start, fmt->exp_len); | |
3141 | /* Note that if exponent indicates a NaN, we can't really do anything useful | |
3142 | (not knowing if the host has NaN's, or how to build one). So it will | |
3143 | end up as an infinity or something close; that is OK. */ | |
3144 | ||
3145 | mant_bits_left = fmt->man_len; | |
3146 | mant_off = fmt->man_start; | |
3147 | dto = 0.0; | |
3148 | ||
3149 | special_exponent = exponent == 0 || exponent == fmt->exp_nan; | |
3150 | ||
11cf8741 JM |
3151 | /* Don't bias NaNs. Use minimum exponent for denorms. For simplicity, |
3152 | we don't check for zero as the exponent doesn't matter. */ | |
c906108c SS |
3153 | if (!special_exponent) |
3154 | exponent -= fmt->exp_bias; | |
11cf8741 JM |
3155 | else if (exponent == 0) |
3156 | exponent = 1 - fmt->exp_bias; | |
c906108c SS |
3157 | |
3158 | /* Build the result algebraically. Might go infinite, underflow, etc; | |
3159 | who cares. */ | |
3160 | ||
3161 | /* If this format uses a hidden bit, explicitly add it in now. Otherwise, | |
3162 | increment the exponent by one to account for the integer bit. */ | |
3163 | ||
3164 | if (!special_exponent) | |
7a292a7a SS |
3165 | { |
3166 | if (fmt->intbit == floatformat_intbit_no) | |
3167 | dto = ldexp (1.0, exponent); | |
3168 | else | |
3169 | exponent++; | |
3170 | } | |
c906108c SS |
3171 | |
3172 | while (mant_bits_left > 0) | |
3173 | { | |
3174 | mant_bits = min (mant_bits_left, 32); | |
3175 | ||
3176 | mant = get_field (ufrom, fmt->byteorder, fmt->totalsize, | |
c5aa993b | 3177 | mant_off, mant_bits); |
c906108c | 3178 | |
c5aa993b | 3179 | dto += ldexp ((double) mant, exponent - mant_bits); |
c906108c SS |
3180 | exponent -= mant_bits; |
3181 | mant_off += mant_bits; | |
3182 | mant_bits_left -= mant_bits; | |
3183 | } | |
3184 | ||
3185 | /* Negate it if negative. */ | |
3186 | if (get_field (ufrom, fmt->byteorder, fmt->totalsize, fmt->sign_start, 1)) | |
3187 | dto = -dto; | |
3188 | *to = dto; | |
3189 | } | |
3190 | \f | |
3191 | static void put_field PARAMS ((unsigned char *, enum floatformat_byteorders, | |
3192 | unsigned int, | |
3193 | unsigned int, | |
3194 | unsigned int, | |
3195 | unsigned long)); | |
3196 | ||
3197 | /* Set a field which starts at START and is LEN bytes long. DATA and | |
3198 | TOTAL_LEN are the thing we are extracting it from, in byteorder ORDER. */ | |
3199 | static void | |
3200 | put_field (data, order, total_len, start, len, stuff_to_put) | |
3201 | unsigned char *data; | |
3202 | enum floatformat_byteorders order; | |
3203 | unsigned int total_len; | |
3204 | unsigned int start; | |
3205 | unsigned int len; | |
3206 | unsigned long stuff_to_put; | |
3207 | { | |
3208 | unsigned int cur_byte; | |
3209 | int cur_bitshift; | |
3210 | ||
3211 | /* Start at the least significant part of the field. */ | |
3212 | cur_byte = (start + len) / FLOATFORMAT_CHAR_BIT; | |
3213 | if (order == floatformat_little || order == floatformat_littlebyte_bigword) | |
3214 | cur_byte = (total_len / FLOATFORMAT_CHAR_BIT) - cur_byte - 1; | |
3215 | cur_bitshift = | |
3216 | ((start + len) % FLOATFORMAT_CHAR_BIT) - FLOATFORMAT_CHAR_BIT; | |
3217 | *(data + cur_byte) &= | |
3218 | ~(((1 << ((start + len) % FLOATFORMAT_CHAR_BIT)) - 1) << (-cur_bitshift)); | |
3219 | *(data + cur_byte) |= | |
3220 | (stuff_to_put & ((1 << FLOATFORMAT_CHAR_BIT) - 1)) << (-cur_bitshift); | |
3221 | cur_bitshift += FLOATFORMAT_CHAR_BIT; | |
3222 | if (order == floatformat_little || order == floatformat_littlebyte_bigword) | |
3223 | ++cur_byte; | |
3224 | else | |
3225 | --cur_byte; | |
3226 | ||
3227 | /* Move towards the most significant part of the field. */ | |
3228 | while (cur_bitshift < len) | |
3229 | { | |
3230 | if (len - cur_bitshift < FLOATFORMAT_CHAR_BIT) | |
3231 | { | |
3232 | /* This is the last byte. */ | |
3233 | *(data + cur_byte) &= | |
3234 | ~((1 << (len - cur_bitshift)) - 1); | |
3235 | *(data + cur_byte) |= (stuff_to_put >> cur_bitshift); | |
3236 | } | |
3237 | else | |
3238 | *(data + cur_byte) = ((stuff_to_put >> cur_bitshift) | |
3239 | & ((1 << FLOATFORMAT_CHAR_BIT) - 1)); | |
3240 | cur_bitshift += FLOATFORMAT_CHAR_BIT; | |
3241 | if (order == floatformat_little || order == floatformat_littlebyte_bigword) | |
3242 | ++cur_byte; | |
3243 | else | |
3244 | --cur_byte; | |
3245 | } | |
3246 | } | |
3247 | ||
3248 | #ifdef HAVE_LONG_DOUBLE | |
3249 | /* Return the fractional part of VALUE, and put the exponent of VALUE in *EPTR. | |
3250 | The range of the returned value is >= 0.5 and < 1.0. This is equivalent to | |
3251 | frexp, but operates on the long double data type. */ | |
3252 | ||
3253 | static long double ldfrexp PARAMS ((long double value, int *eptr)); | |
3254 | ||
3255 | static long double | |
3256 | ldfrexp (value, eptr) | |
3257 | long double value; | |
3258 | int *eptr; | |
3259 | { | |
3260 | long double tmp; | |
3261 | int exp; | |
3262 | ||
3263 | /* Unfortunately, there are no portable functions for extracting the exponent | |
3264 | of a long double, so we have to do it iteratively by multiplying or dividing | |
3265 | by two until the fraction is between 0.5 and 1.0. */ | |
3266 | ||
3267 | if (value < 0.0l) | |
3268 | value = -value; | |
3269 | ||
3270 | tmp = 1.0l; | |
3271 | exp = 0; | |
3272 | ||
3273 | if (value >= tmp) /* Value >= 1.0 */ | |
3274 | while (value >= tmp) | |
3275 | { | |
3276 | tmp *= 2.0l; | |
3277 | exp++; | |
3278 | } | |
3279 | else if (value != 0.0l) /* Value < 1.0 and > 0.0 */ | |
3280 | { | |
3281 | while (value < tmp) | |
3282 | { | |
3283 | tmp /= 2.0l; | |
3284 | exp--; | |
3285 | } | |
3286 | tmp *= 2.0l; | |
3287 | exp++; | |
3288 | } | |
3289 | ||
3290 | *eptr = exp; | |
c5aa993b | 3291 | return value / tmp; |
c906108c SS |
3292 | } |
3293 | #endif /* HAVE_LONG_DOUBLE */ | |
3294 | ||
3295 | ||
3296 | /* The converse: convert the DOUBLEST *FROM to an extended float | |
3297 | and store where TO points. Neither FROM nor TO have any alignment | |
3298 | restrictions. */ | |
3299 | ||
3300 | void | |
3301 | floatformat_from_doublest (fmt, from, to) | |
3302 | CONST struct floatformat *fmt; | |
3303 | DOUBLEST *from; | |
3304 | char *to; | |
3305 | { | |
3306 | DOUBLEST dfrom; | |
3307 | int exponent; | |
3308 | DOUBLEST mant; | |
3309 | unsigned int mant_bits, mant_off; | |
3310 | int mant_bits_left; | |
c5aa993b | 3311 | unsigned char *uto = (unsigned char *) to; |
c906108c SS |
3312 | |
3313 | memcpy (&dfrom, from, sizeof (dfrom)); | |
3314 | memset (uto, 0, fmt->totalsize / FLOATFORMAT_CHAR_BIT); | |
3315 | if (dfrom == 0) | |
3316 | return; /* Result is zero */ | |
3317 | if (dfrom != dfrom) /* Result is NaN */ | |
3318 | { | |
3319 | /* From is NaN */ | |
3320 | put_field (uto, fmt->byteorder, fmt->totalsize, fmt->exp_start, | |
3321 | fmt->exp_len, fmt->exp_nan); | |
3322 | /* Be sure it's not infinity, but NaN value is irrel */ | |
3323 | put_field (uto, fmt->byteorder, fmt->totalsize, fmt->man_start, | |
3324 | 32, 1); | |
3325 | return; | |
3326 | } | |
3327 | ||
3328 | /* If negative, set the sign bit. */ | |
3329 | if (dfrom < 0) | |
3330 | { | |
3331 | put_field (uto, fmt->byteorder, fmt->totalsize, fmt->sign_start, 1, 1); | |
3332 | dfrom = -dfrom; | |
3333 | } | |
3334 | ||
3335 | if (dfrom + dfrom == dfrom && dfrom != 0.0) /* Result is Infinity */ | |
3336 | { | |
3337 | /* Infinity exponent is same as NaN's. */ | |
3338 | put_field (uto, fmt->byteorder, fmt->totalsize, fmt->exp_start, | |
3339 | fmt->exp_len, fmt->exp_nan); | |
3340 | /* Infinity mantissa is all zeroes. */ | |
3341 | put_field (uto, fmt->byteorder, fmt->totalsize, fmt->man_start, | |
3342 | fmt->man_len, 0); | |
3343 | return; | |
3344 | } | |
3345 | ||
3346 | #ifdef HAVE_LONG_DOUBLE | |
3347 | mant = ldfrexp (dfrom, &exponent); | |
3348 | #else | |
3349 | mant = frexp (dfrom, &exponent); | |
3350 | #endif | |
3351 | ||
3352 | put_field (uto, fmt->byteorder, fmt->totalsize, fmt->exp_start, fmt->exp_len, | |
3353 | exponent + fmt->exp_bias - 1); | |
3354 | ||
3355 | mant_bits_left = fmt->man_len; | |
3356 | mant_off = fmt->man_start; | |
3357 | while (mant_bits_left > 0) | |
3358 | { | |
3359 | unsigned long mant_long; | |
3360 | mant_bits = mant_bits_left < 32 ? mant_bits_left : 32; | |
3361 | ||
3362 | mant *= 4294967296.0; | |
c5aa993b | 3363 | mant_long = (unsigned long) mant; |
c906108c SS |
3364 | mant -= mant_long; |
3365 | ||
3366 | /* If the integer bit is implicit, then we need to discard it. | |
c5aa993b JM |
3367 | If we are discarding a zero, we should be (but are not) creating |
3368 | a denormalized number which means adjusting the exponent | |
3369 | (I think). */ | |
c906108c SS |
3370 | if (mant_bits_left == fmt->man_len |
3371 | && fmt->intbit == floatformat_intbit_no) | |
3372 | { | |
3373 | mant_long <<= 1; | |
3374 | mant_bits -= 1; | |
3375 | } | |
3376 | ||
3377 | if (mant_bits < 32) | |
3378 | { | |
3379 | /* The bits we want are in the most significant MANT_BITS bits of | |
3380 | mant_long. Move them to the least significant. */ | |
3381 | mant_long >>= 32 - mant_bits; | |
3382 | } | |
3383 | ||
3384 | put_field (uto, fmt->byteorder, fmt->totalsize, | |
3385 | mant_off, mant_bits, mant_long); | |
3386 | mant_off += mant_bits; | |
3387 | mant_bits_left -= mant_bits; | |
3388 | } | |
c5aa993b | 3389 | if (fmt->byteorder == floatformat_littlebyte_bigword) |
c906108c SS |
3390 | { |
3391 | int count; | |
3392 | unsigned char *swaplow = uto; | |
3393 | unsigned char *swaphigh = uto + 4; | |
3394 | unsigned char tmp; | |
3395 | ||
3396 | for (count = 0; count < 4; count++) | |
3397 | { | |
3398 | tmp = *swaplow; | |
3399 | *swaplow++ = *swaphigh; | |
3400 | *swaphigh++ = tmp; | |
3401 | } | |
3402 | } | |
3403 | } | |
3404 | ||
3405 | /* temporary storage using circular buffer */ | |
3406 | #define NUMCELLS 16 | |
3407 | #define CELLSIZE 32 | |
c5aa993b JM |
3408 | static char * |
3409 | get_cell () | |
c906108c SS |
3410 | { |
3411 | static char buf[NUMCELLS][CELLSIZE]; | |
c5aa993b JM |
3412 | static int cell = 0; |
3413 | if (++cell >= NUMCELLS) | |
3414 | cell = 0; | |
c906108c SS |
3415 | return buf[cell]; |
3416 | } | |
3417 | ||
3418 | /* print routines to handle variable size regs, etc. | |
3419 | ||
3420 | FIXME: Note that t_addr is a bfd_vma, which is currently either an | |
3421 | unsigned long or unsigned long long, determined at configure time. | |
3422 | If t_addr is an unsigned long long and sizeof (unsigned long long) | |
3423 | is greater than sizeof (unsigned long), then I believe this code will | |
3424 | probably lose, at least for little endian machines. I believe that | |
3425 | it would also be better to eliminate the switch on the absolute size | |
3426 | of t_addr and replace it with a sequence of if statements that compare | |
3427 | sizeof t_addr with sizeof the various types and do the right thing, | |
3428 | which includes knowing whether or not the host supports long long. | |
3429 | -fnf | |
3430 | ||
3431 | */ | |
3432 | ||
d4f3574e SS |
3433 | int |
3434 | strlen_paddr (void) | |
3435 | { | |
3436 | return (TARGET_PTR_BIT / 8 * 2); | |
3437 | } | |
3438 | ||
3439 | ||
104c1213 JM |
3440 | /* eliminate warning from compiler on 32-bit systems */ |
3441 | static int thirty_two = 32; | |
c906108c | 3442 | |
c5aa993b | 3443 | char * |
104c1213 | 3444 | paddr (CORE_ADDR addr) |
c906108c | 3445 | { |
c5aa993b | 3446 | char *paddr_str = get_cell (); |
104c1213 | 3447 | switch (TARGET_PTR_BIT / 8) |
c906108c | 3448 | { |
c5aa993b JM |
3449 | case 8: |
3450 | sprintf (paddr_str, "%08lx%08lx", | |
3451 | (unsigned long) (addr >> thirty_two), (unsigned long) (addr & 0xffffffff)); | |
3452 | break; | |
3453 | case 4: | |
3454 | sprintf (paddr_str, "%08lx", (unsigned long) addr); | |
3455 | break; | |
3456 | case 2: | |
3457 | sprintf (paddr_str, "%04x", (unsigned short) (addr & 0xffff)); | |
3458 | break; | |
3459 | default: | |
3460 | sprintf (paddr_str, "%lx", (unsigned long) addr); | |
c906108c SS |
3461 | } |
3462 | return paddr_str; | |
3463 | } | |
3464 | ||
c5aa993b | 3465 | char * |
104c1213 | 3466 | paddr_nz (CORE_ADDR addr) |
c906108c | 3467 | { |
c5aa993b | 3468 | char *paddr_str = get_cell (); |
104c1213 | 3469 | switch (TARGET_PTR_BIT / 8) |
c906108c | 3470 | { |
c5aa993b JM |
3471 | case 8: |
3472 | { | |
3473 | unsigned long high = (unsigned long) (addr >> thirty_two); | |
3474 | if (high == 0) | |
3475 | sprintf (paddr_str, "%lx", (unsigned long) (addr & 0xffffffff)); | |
3476 | else | |
3477 | sprintf (paddr_str, "%lx%08lx", | |
3478 | high, (unsigned long) (addr & 0xffffffff)); | |
c906108c | 3479 | break; |
c5aa993b JM |
3480 | } |
3481 | case 4: | |
3482 | sprintf (paddr_str, "%lx", (unsigned long) addr); | |
3483 | break; | |
3484 | case 2: | |
3485 | sprintf (paddr_str, "%x", (unsigned short) (addr & 0xffff)); | |
3486 | break; | |
3487 | default: | |
3488 | sprintf (paddr_str, "%lx", (unsigned long) addr); | |
c906108c SS |
3489 | } |
3490 | return paddr_str; | |
3491 | } | |
3492 | ||
104c1213 JM |
3493 | static void |
3494 | decimal2str (char *paddr_str, char *sign, ULONGEST addr) | |
3495 | { | |
3496 | /* steal code from valprint.c:print_decimal(). Should this worry | |
3497 | about the real size of addr as the above does? */ | |
3498 | unsigned long temp[3]; | |
3499 | int i = 0; | |
3500 | do | |
3501 | { | |
3502 | temp[i] = addr % (1000 * 1000 * 1000); | |
3503 | addr /= (1000 * 1000 * 1000); | |
3504 | i++; | |
3505 | } | |
3506 | while (addr != 0 && i < (sizeof (temp) / sizeof (temp[0]))); | |
3507 | switch (i) | |
3508 | { | |
3509 | case 1: | |
3510 | sprintf (paddr_str, "%s%lu", | |
3511 | sign, temp[0]); | |
3512 | break; | |
3513 | case 2: | |
3514 | sprintf (paddr_str, "%s%lu%09lu", | |
3515 | sign, temp[1], temp[0]); | |
3516 | break; | |
3517 | case 3: | |
3518 | sprintf (paddr_str, "%s%lu%09lu%09lu", | |
3519 | sign, temp[2], temp[1], temp[0]); | |
3520 | break; | |
3521 | default: | |
3522 | abort (); | |
3523 | } | |
3524 | } | |
3525 | ||
3526 | char * | |
3527 | paddr_u (CORE_ADDR addr) | |
3528 | { | |
3529 | char *paddr_str = get_cell (); | |
3530 | decimal2str (paddr_str, "", addr); | |
3531 | return paddr_str; | |
3532 | } | |
3533 | ||
3534 | char * | |
3535 | paddr_d (LONGEST addr) | |
3536 | { | |
3537 | char *paddr_str = get_cell (); | |
3538 | if (addr < 0) | |
3539 | decimal2str (paddr_str, "-", -addr); | |
3540 | else | |
3541 | decimal2str (paddr_str, "", addr); | |
3542 | return paddr_str; | |
3543 | } | |
3544 | ||
3545 | char * | |
3546 | preg (reg) | |
3547 | t_reg reg; | |
3548 | { | |
3549 | char *preg_str = get_cell (); | |
3550 | switch (sizeof (t_reg)) | |
3551 | { | |
3552 | case 8: | |
3553 | sprintf (preg_str, "%08lx%08lx", | |
3554 | (unsigned long) (reg >> thirty_two), (unsigned long) (reg & 0xffffffff)); | |
3555 | break; | |
3556 | case 4: | |
3557 | sprintf (preg_str, "%08lx", (unsigned long) reg); | |
3558 | break; | |
3559 | case 2: | |
3560 | sprintf (preg_str, "%04x", (unsigned short) (reg & 0xffff)); | |
3561 | break; | |
3562 | default: | |
3563 | sprintf (preg_str, "%lx", (unsigned long) reg); | |
3564 | } | |
3565 | return preg_str; | |
3566 | } | |
3567 | ||
c5aa993b JM |
3568 | char * |
3569 | preg_nz (reg) | |
3570 | t_reg reg; | |
c906108c | 3571 | { |
c5aa993b JM |
3572 | char *preg_str = get_cell (); |
3573 | switch (sizeof (t_reg)) | |
c906108c | 3574 | { |
c5aa993b JM |
3575 | case 8: |
3576 | { | |
3577 | unsigned long high = (unsigned long) (reg >> thirty_two); | |
3578 | if (high == 0) | |
3579 | sprintf (preg_str, "%lx", (unsigned long) (reg & 0xffffffff)); | |
3580 | else | |
3581 | sprintf (preg_str, "%lx%08lx", | |
3582 | high, (unsigned long) (reg & 0xffffffff)); | |
c906108c | 3583 | break; |
c5aa993b JM |
3584 | } |
3585 | case 4: | |
3586 | sprintf (preg_str, "%lx", (unsigned long) reg); | |
3587 | break; | |
3588 | case 2: | |
3589 | sprintf (preg_str, "%x", (unsigned short) (reg & 0xffff)); | |
3590 | break; | |
3591 | default: | |
3592 | sprintf (preg_str, "%lx", (unsigned long) reg); | |
c906108c SS |
3593 | } |
3594 | return preg_str; | |
3595 | } | |
392a587b JM |
3596 | |
3597 | /* Helper functions for INNER_THAN */ | |
3598 | int | |
3599 | core_addr_lessthan (lhs, rhs) | |
3600 | CORE_ADDR lhs; | |
3601 | CORE_ADDR rhs; | |
3602 | { | |
3603 | return (lhs < rhs); | |
3604 | } | |
3605 | ||
3606 | int | |
3607 | core_addr_greaterthan (lhs, rhs) | |
3608 | CORE_ADDR lhs; | |
3609 | CORE_ADDR rhs; | |
3610 | { | |
3611 | return (lhs > rhs); | |
3612 | } |