Commit | Line | Data |
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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 | ||
4ce44c66 JM |
525 | NORETURN void |
526 | verror (const char *string, va_list args) | |
527 | { | |
528 | /* FIXME: cagney/1999-11-10: All error calls should come here. | |
529 | Unfortunatly some code uses the sequence: error_begin(); print | |
530 | error message; return_to_top_level. That code should be | |
531 | flushed. */ | |
532 | error_begin (); | |
533 | vfprintf_filtered (gdb_stderr, string, args); | |
534 | fprintf_filtered (gdb_stderr, "\n"); | |
535 | /* Save it as the last error as well (no newline) */ | |
536 | gdb_file_rewind (gdb_lasterr); | |
537 | vfprintf_filtered (gdb_lasterr, string, args); | |
538 | va_end (args); | |
539 | return_to_top_level (RETURN_ERROR); | |
540 | } | |
541 | ||
c906108c | 542 | NORETURN void |
c5aa993b | 543 | error (const char *string,...) |
c906108c SS |
544 | { |
545 | va_list args; | |
c906108c | 546 | va_start (args, string); |
4ce44c66 JM |
547 | verror (string, args); |
548 | va_end (args); | |
c906108c SS |
549 | } |
550 | ||
2acceee2 JM |
551 | NORETURN void |
552 | error_stream (GDB_FILE *stream) | |
553 | { | |
4ce44c66 JM |
554 | long size; |
555 | char *msg = gdb_file_xstrdup (stream, &size); | |
556 | make_cleanup (free, msg); | |
557 | error ("%s", msg); | |
2acceee2 JM |
558 | } |
559 | ||
560 | /* Get the last error message issued by gdb */ | |
561 | ||
562 | char * | |
563 | error_last_message (void) | |
564 | { | |
4ce44c66 JM |
565 | long len; |
566 | return gdb_file_xstrdup (gdb_lasterr, &len); | |
2acceee2 | 567 | } |
4ce44c66 | 568 | |
2acceee2 JM |
569 | /* This is to be called by main() at the very beginning */ |
570 | ||
571 | void | |
572 | error_init (void) | |
573 | { | |
4ce44c66 | 574 | gdb_lasterr = mem_fileopen (); |
2acceee2 | 575 | } |
c906108c | 576 | |
96baa820 JM |
577 | /* Print a message reporting an internal error. Ask the user if they |
578 | want to continue, dump core, or just exit. */ | |
c906108c | 579 | |
c906108c | 580 | NORETURN void |
4ce44c66 | 581 | internal_verror (const char *fmt, va_list ap) |
c906108c | 582 | { |
96baa820 JM |
583 | static char msg[] = "Internal GDB error: recursive internal error.\n"; |
584 | static int dejavu = 0; | |
7be570e7 JM |
585 | int continue_p; |
586 | int dump_core_p; | |
c906108c | 587 | |
96baa820 JM |
588 | /* don't allow infinite error recursion. */ |
589 | switch (dejavu) | |
590 | { | |
591 | case 0: | |
592 | dejavu = 1; | |
593 | break; | |
594 | case 1: | |
595 | dejavu = 2; | |
596 | fputs_unfiltered (msg, gdb_stderr); | |
597 | abort (); | |
598 | default: | |
599 | dejavu = 3; | |
600 | write (STDERR_FILENO, msg, sizeof (msg)); | |
601 | exit (1); | |
602 | } | |
c906108c | 603 | |
96baa820 | 604 | /* Try to get the message out */ |
7be570e7 | 605 | fputs_unfiltered ("gdb-internal-error: ", gdb_stderr); |
4ce44c66 | 606 | vfprintf_unfiltered (gdb_stderr, fmt, ap); |
96baa820 | 607 | fputs_unfiltered ("\n", gdb_stderr); |
c906108c | 608 | |
7be570e7 JM |
609 | /* Default (no case) is to quit GDB. When in batch mode this |
610 | lessens the likelhood of GDB going into an infinate loop. */ | |
611 | continue_p = query ("\ | |
612 | An internal GDB error was detected. This may make make further\n\ | |
613 | debugging unreliable. Continue this debugging session? "); | |
614 | ||
615 | /* Default (no case) is to not dump core. Lessen the chance of GDB | |
616 | leaving random core files around. */ | |
617 | dump_core_p = query ("\ | |
618 | Create a core file containing the current state of GDB? "); | |
619 | ||
620 | if (continue_p) | |
621 | { | |
622 | if (dump_core_p) | |
623 | { | |
624 | if (fork () == 0) | |
625 | abort (); | |
626 | } | |
627 | } | |
628 | else | |
629 | { | |
630 | if (dump_core_p) | |
631 | abort (); | |
632 | else | |
633 | exit (1); | |
634 | } | |
96baa820 JM |
635 | |
636 | dejavu = 0; | |
637 | return_to_top_level (RETURN_ERROR); | |
c906108c SS |
638 | } |
639 | ||
4ce44c66 JM |
640 | NORETURN void |
641 | internal_error (char *string, ...) | |
642 | { | |
643 | va_list ap; | |
644 | va_start (ap, string); | |
645 | internal_verror (string, ap); | |
646 | va_end (ap); | |
647 | } | |
648 | ||
c906108c SS |
649 | /* The strerror() function can return NULL for errno values that are |
650 | out of range. Provide a "safe" version that always returns a | |
651 | printable string. */ | |
652 | ||
653 | char * | |
654 | safe_strerror (errnum) | |
655 | int errnum; | |
656 | { | |
657 | char *msg; | |
658 | static char buf[32]; | |
659 | ||
660 | if ((msg = strerror (errnum)) == NULL) | |
661 | { | |
662 | sprintf (buf, "(undocumented errno %d)", errnum); | |
663 | msg = buf; | |
664 | } | |
665 | return (msg); | |
666 | } | |
667 | ||
668 | /* The strsignal() function can return NULL for signal values that are | |
669 | out of range. Provide a "safe" version that always returns a | |
670 | printable string. */ | |
671 | ||
672 | char * | |
673 | safe_strsignal (signo) | |
674 | int signo; | |
675 | { | |
676 | char *msg; | |
677 | static char buf[32]; | |
678 | ||
679 | if ((msg = strsignal (signo)) == NULL) | |
680 | { | |
681 | sprintf (buf, "(undocumented signal %d)", signo); | |
682 | msg = buf; | |
683 | } | |
684 | return (msg); | |
685 | } | |
686 | ||
687 | ||
688 | /* Print the system error message for errno, and also mention STRING | |
689 | as the file name for which the error was encountered. | |
690 | Then return to command level. */ | |
691 | ||
692 | NORETURN void | |
693 | perror_with_name (string) | |
694 | char *string; | |
695 | { | |
696 | char *err; | |
697 | char *combined; | |
698 | ||
699 | err = safe_strerror (errno); | |
700 | combined = (char *) alloca (strlen (err) + strlen (string) + 3); | |
701 | strcpy (combined, string); | |
702 | strcat (combined, ": "); | |
703 | strcat (combined, err); | |
704 | ||
705 | /* I understand setting these is a matter of taste. Still, some people | |
706 | may clear errno but not know about bfd_error. Doing this here is not | |
707 | unreasonable. */ | |
708 | bfd_set_error (bfd_error_no_error); | |
709 | errno = 0; | |
710 | ||
c5aa993b | 711 | error ("%s.", combined); |
c906108c SS |
712 | } |
713 | ||
714 | /* Print the system error message for ERRCODE, and also mention STRING | |
715 | as the file name for which the error was encountered. */ | |
716 | ||
717 | void | |
718 | print_sys_errmsg (string, errcode) | |
719 | char *string; | |
720 | int errcode; | |
721 | { | |
722 | char *err; | |
723 | char *combined; | |
724 | ||
725 | err = safe_strerror (errcode); | |
726 | combined = (char *) alloca (strlen (err) + strlen (string) + 3); | |
727 | strcpy (combined, string); | |
728 | strcat (combined, ": "); | |
729 | strcat (combined, err); | |
730 | ||
731 | /* We want anything which was printed on stdout to come out first, before | |
732 | this message. */ | |
733 | gdb_flush (gdb_stdout); | |
734 | fprintf_unfiltered (gdb_stderr, "%s.\n", combined); | |
735 | } | |
736 | ||
737 | /* Control C eventually causes this to be called, at a convenient time. */ | |
738 | ||
739 | void | |
740 | quit () | |
741 | { | |
742 | serial_t gdb_stdout_serial = serial_fdopen (1); | |
743 | ||
744 | target_terminal_ours (); | |
745 | ||
746 | /* We want all output to appear now, before we print "Quit". We | |
747 | have 3 levels of buffering we have to flush (it's possible that | |
748 | some of these should be changed to flush the lower-level ones | |
749 | too): */ | |
750 | ||
751 | /* 1. The _filtered buffer. */ | |
c5aa993b | 752 | wrap_here ((char *) 0); |
c906108c SS |
753 | |
754 | /* 2. The stdio buffer. */ | |
755 | gdb_flush (gdb_stdout); | |
756 | gdb_flush (gdb_stderr); | |
757 | ||
758 | /* 3. The system-level buffer. */ | |
759 | SERIAL_DRAIN_OUTPUT (gdb_stdout_serial); | |
760 | SERIAL_UN_FDOPEN (gdb_stdout_serial); | |
761 | ||
762 | annotate_error_begin (); | |
763 | ||
764 | /* Don't use *_filtered; we don't want to prompt the user to continue. */ | |
765 | if (quit_pre_print) | |
766 | fprintf_unfiltered (gdb_stderr, quit_pre_print); | |
767 | ||
7be570e7 JM |
768 | #ifdef __MSDOS__ |
769 | /* No steenking SIGINT will ever be coming our way when the | |
770 | program is resumed. Don't lie. */ | |
771 | fprintf_unfiltered (gdb_stderr, "Quit\n"); | |
772 | #else | |
c906108c | 773 | if (job_control |
c5aa993b JM |
774 | /* If there is no terminal switching for this target, then we can't |
775 | possibly get screwed by the lack of job control. */ | |
c906108c SS |
776 | || current_target.to_terminal_ours == NULL) |
777 | fprintf_unfiltered (gdb_stderr, "Quit\n"); | |
778 | else | |
779 | fprintf_unfiltered (gdb_stderr, | |
c5aa993b | 780 | "Quit (expect signal SIGINT when the program is resumed)\n"); |
7be570e7 | 781 | #endif |
c906108c SS |
782 | return_to_top_level (RETURN_QUIT); |
783 | } | |
784 | ||
785 | ||
7be570e7 | 786 | #if defined(_MSC_VER) /* should test for wingdb instead? */ |
c906108c SS |
787 | |
788 | /* | |
789 | * Windows translates all keyboard and mouse events | |
790 | * into a message which is appended to the message | |
791 | * queue for the process. | |
792 | */ | |
793 | ||
c5aa993b JM |
794 | void |
795 | notice_quit () | |
c906108c | 796 | { |
c5aa993b | 797 | int k = win32pollquit (); |
c906108c SS |
798 | if (k == 1) |
799 | quit_flag = 1; | |
800 | else if (k == 2) | |
801 | immediate_quit = 1; | |
802 | } | |
803 | ||
4ce44c66 | 804 | #else /* !defined(_MSC_VER) */ |
c906108c | 805 | |
c5aa993b JM |
806 | void |
807 | notice_quit () | |
c906108c SS |
808 | { |
809 | /* Done by signals */ | |
810 | } | |
811 | ||
4ce44c66 | 812 | #endif /* !defined(_MSC_VER) */ |
c906108c | 813 | |
c906108c | 814 | /* Control C comes here */ |
c906108c SS |
815 | void |
816 | request_quit (signo) | |
817 | int signo; | |
818 | { | |
819 | quit_flag = 1; | |
820 | /* Restore the signal handler. Harmless with BSD-style signals, needed | |
821 | for System V-style signals. So just always do it, rather than worrying | |
822 | about USG defines and stuff like that. */ | |
823 | signal (signo, request_quit); | |
824 | ||
825 | #ifdef REQUEST_QUIT | |
826 | REQUEST_QUIT; | |
827 | #else | |
c5aa993b | 828 | if (immediate_quit) |
c906108c SS |
829 | quit (); |
830 | #endif | |
831 | } | |
c906108c SS |
832 | \f |
833 | /* Memory management stuff (malloc friends). */ | |
834 | ||
835 | /* Make a substitute size_t for non-ANSI compilers. */ | |
836 | ||
837 | #ifndef HAVE_STDDEF_H | |
838 | #ifndef size_t | |
839 | #define size_t unsigned int | |
840 | #endif | |
841 | #endif | |
842 | ||
843 | #if !defined (USE_MMALLOC) | |
844 | ||
845 | PTR | |
846 | mmalloc (md, size) | |
847 | PTR md; | |
848 | size_t size; | |
849 | { | |
850 | return malloc (size); | |
851 | } | |
852 | ||
853 | PTR | |
854 | mrealloc (md, ptr, size) | |
855 | PTR md; | |
856 | PTR ptr; | |
857 | size_t size; | |
858 | { | |
c5aa993b | 859 | if (ptr == 0) /* Guard against old realloc's */ |
c906108c SS |
860 | return malloc (size); |
861 | else | |
862 | return realloc (ptr, size); | |
863 | } | |
864 | ||
865 | void | |
866 | mfree (md, ptr) | |
867 | PTR md; | |
868 | PTR ptr; | |
869 | { | |
870 | free (ptr); | |
871 | } | |
872 | ||
c5aa993b | 873 | #endif /* USE_MMALLOC */ |
c906108c SS |
874 | |
875 | #if !defined (USE_MMALLOC) || defined (NO_MMCHECK) | |
876 | ||
877 | void | |
878 | init_malloc (md) | |
879 | PTR md; | |
880 | { | |
881 | } | |
882 | ||
883 | #else /* Have mmalloc and want corruption checking */ | |
884 | ||
885 | static void | |
886 | malloc_botch () | |
887 | { | |
96baa820 JM |
888 | fprintf_unfiltered (gdb_stderr, "Memory corruption\n"); |
889 | abort (); | |
c906108c SS |
890 | } |
891 | ||
892 | /* Attempt to install hooks in mmalloc/mrealloc/mfree for the heap specified | |
893 | by MD, to detect memory corruption. Note that MD may be NULL to specify | |
894 | the default heap that grows via sbrk. | |
895 | ||
896 | Note that for freshly created regions, we must call mmcheckf prior to any | |
897 | mallocs in the region. Otherwise, any region which was allocated prior to | |
898 | installing the checking hooks, which is later reallocated or freed, will | |
899 | fail the checks! The mmcheck function only allows initial hooks to be | |
900 | installed before the first mmalloc. However, anytime after we have called | |
901 | mmcheck the first time to install the checking hooks, we can call it again | |
902 | to update the function pointer to the memory corruption handler. | |
903 | ||
904 | Returns zero on failure, non-zero on success. */ | |
905 | ||
906 | #ifndef MMCHECK_FORCE | |
907 | #define MMCHECK_FORCE 0 | |
908 | #endif | |
909 | ||
910 | void | |
911 | init_malloc (md) | |
912 | PTR md; | |
913 | { | |
914 | if (!mmcheckf (md, malloc_botch, MMCHECK_FORCE)) | |
915 | { | |
916 | /* Don't use warning(), which relies on current_target being set | |
c5aa993b JM |
917 | to something other than dummy_target, until after |
918 | initialize_all_files(). */ | |
c906108c SS |
919 | |
920 | fprintf_unfiltered | |
921 | (gdb_stderr, "warning: failed to install memory consistency checks; "); | |
922 | fprintf_unfiltered | |
923 | (gdb_stderr, "configuration should define NO_MMCHECK or MMCHECK_FORCE\n"); | |
924 | } | |
925 | ||
926 | mmtrace (); | |
927 | } | |
928 | ||
929 | #endif /* Have mmalloc and want corruption checking */ | |
930 | ||
931 | /* Called when a memory allocation fails, with the number of bytes of | |
932 | memory requested in SIZE. */ | |
933 | ||
934 | NORETURN void | |
935 | nomem (size) | |
936 | long size; | |
937 | { | |
938 | if (size > 0) | |
939 | { | |
96baa820 | 940 | internal_error ("virtual memory exhausted: can't allocate %ld bytes.", size); |
c906108c SS |
941 | } |
942 | else | |
943 | { | |
96baa820 | 944 | internal_error ("virtual memory exhausted."); |
c906108c SS |
945 | } |
946 | } | |
947 | ||
948 | /* Like mmalloc but get error if no storage available, and protect against | |
949 | the caller wanting to allocate zero bytes. Whether to return NULL for | |
950 | a zero byte request, or translate the request into a request for one | |
951 | byte of zero'd storage, is a religious issue. */ | |
952 | ||
953 | PTR | |
954 | xmmalloc (md, size) | |
955 | PTR md; | |
956 | long size; | |
957 | { | |
958 | register PTR val; | |
959 | ||
960 | if (size == 0) | |
961 | { | |
962 | val = NULL; | |
963 | } | |
964 | else if ((val = mmalloc (md, size)) == NULL) | |
965 | { | |
966 | nomem (size); | |
967 | } | |
968 | return (val); | |
969 | } | |
970 | ||
971 | /* Like mrealloc but get error if no storage available. */ | |
972 | ||
973 | PTR | |
974 | xmrealloc (md, ptr, size) | |
975 | PTR md; | |
976 | PTR ptr; | |
977 | long size; | |
978 | { | |
979 | register PTR val; | |
980 | ||
981 | if (ptr != NULL) | |
982 | { | |
983 | val = mrealloc (md, ptr, size); | |
984 | } | |
985 | else | |
986 | { | |
987 | val = mmalloc (md, size); | |
988 | } | |
989 | if (val == NULL) | |
990 | { | |
991 | nomem (size); | |
992 | } | |
993 | return (val); | |
994 | } | |
995 | ||
996 | /* Like malloc but get error if no storage available, and protect against | |
997 | the caller wanting to allocate zero bytes. */ | |
998 | ||
999 | PTR | |
1000 | xmalloc (size) | |
1001 | size_t size; | |
1002 | { | |
1003 | return (xmmalloc ((PTR) NULL, size)); | |
1004 | } | |
1005 | ||
1006 | /* Like mrealloc but get error if no storage available. */ | |
1007 | ||
1008 | PTR | |
1009 | xrealloc (ptr, size) | |
1010 | PTR ptr; | |
1011 | size_t size; | |
1012 | { | |
1013 | return (xmrealloc ((PTR) NULL, ptr, size)); | |
1014 | } | |
c906108c | 1015 | \f |
c5aa993b | 1016 | |
c906108c SS |
1017 | /* My replacement for the read system call. |
1018 | Used like `read' but keeps going if `read' returns too soon. */ | |
1019 | ||
1020 | int | |
1021 | myread (desc, addr, len) | |
1022 | int desc; | |
1023 | char *addr; | |
1024 | int len; | |
1025 | { | |
1026 | register int val; | |
1027 | int orglen = len; | |
1028 | ||
1029 | while (len > 0) | |
1030 | { | |
1031 | val = read (desc, addr, len); | |
1032 | if (val < 0) | |
1033 | return val; | |
1034 | if (val == 0) | |
1035 | return orglen - len; | |
1036 | len -= val; | |
1037 | addr += val; | |
1038 | } | |
1039 | return orglen; | |
1040 | } | |
1041 | \f | |
1042 | /* Make a copy of the string at PTR with SIZE characters | |
1043 | (and add a null character at the end in the copy). | |
1044 | Uses malloc to get the space. Returns the address of the copy. */ | |
1045 | ||
1046 | char * | |
1047 | savestring (ptr, size) | |
1048 | const char *ptr; | |
1049 | int size; | |
1050 | { | |
1051 | register char *p = (char *) xmalloc (size + 1); | |
1052 | memcpy (p, ptr, size); | |
1053 | p[size] = 0; | |
1054 | return p; | |
1055 | } | |
1056 | ||
1057 | char * | |
1058 | msavestring (md, ptr, size) | |
1059 | PTR md; | |
1060 | const char *ptr; | |
1061 | int size; | |
1062 | { | |
1063 | register char *p = (char *) xmmalloc (md, size + 1); | |
1064 | memcpy (p, ptr, size); | |
1065 | p[size] = 0; | |
1066 | return p; | |
1067 | } | |
1068 | ||
1069 | /* The "const" is so it compiles under DGUX (which prototypes strsave | |
1070 | in <string.h>. FIXME: This should be named "xstrsave", shouldn't it? | |
1071 | Doesn't real strsave return NULL if out of memory? */ | |
1072 | char * | |
1073 | strsave (ptr) | |
1074 | const char *ptr; | |
1075 | { | |
1076 | return savestring (ptr, strlen (ptr)); | |
1077 | } | |
1078 | ||
1079 | char * | |
1080 | mstrsave (md, ptr) | |
1081 | PTR md; | |
1082 | const char *ptr; | |
1083 | { | |
1084 | return (msavestring (md, ptr, strlen (ptr))); | |
1085 | } | |
1086 | ||
1087 | void | |
1088 | print_spaces (n, file) | |
1089 | register int n; | |
1090 | register GDB_FILE *file; | |
1091 | { | |
392a587b | 1092 | fputs_unfiltered (n_spaces (n), file); |
c906108c SS |
1093 | } |
1094 | ||
1095 | /* Print a host address. */ | |
1096 | ||
1097 | void | |
d4f3574e | 1098 | gdb_print_host_address (void *addr, struct gdb_file *stream) |
c906108c SS |
1099 | { |
1100 | ||
1101 | /* We could use the %p conversion specifier to fprintf if we had any | |
1102 | way of knowing whether this host supports it. But the following | |
1103 | should work on the Alpha and on 32 bit machines. */ | |
1104 | ||
c5aa993b | 1105 | fprintf_filtered (stream, "0x%lx", (unsigned long) addr); |
c906108c SS |
1106 | } |
1107 | ||
1108 | /* Ask user a y-or-n question and return 1 iff answer is yes. | |
1109 | Takes three args which are given to printf to print the question. | |
1110 | The first, a control string, should end in "? ". | |
1111 | It should not say how to answer, because we do that. */ | |
1112 | ||
1113 | /* VARARGS */ | |
1114 | int | |
c5aa993b | 1115 | query (char *ctlstr,...) |
c906108c SS |
1116 | { |
1117 | va_list args; | |
1118 | register int answer; | |
1119 | register int ans2; | |
1120 | int retval; | |
1121 | ||
c906108c | 1122 | va_start (args, ctlstr); |
c906108c SS |
1123 | |
1124 | if (query_hook) | |
1125 | { | |
1126 | return query_hook (ctlstr, args); | |
1127 | } | |
1128 | ||
1129 | /* Automatically answer "yes" if input is not from a terminal. */ | |
1130 | if (!input_from_terminal_p ()) | |
1131 | return 1; | |
1132 | #ifdef MPW | |
1133 | /* FIXME Automatically answer "yes" if called from MacGDB. */ | |
1134 | if (mac_app) | |
1135 | return 1; | |
1136 | #endif /* MPW */ | |
1137 | ||
1138 | while (1) | |
1139 | { | |
1140 | wrap_here (""); /* Flush any buffered output */ | |
1141 | gdb_flush (gdb_stdout); | |
1142 | ||
1143 | if (annotation_level > 1) | |
1144 | printf_filtered ("\n\032\032pre-query\n"); | |
1145 | ||
1146 | vfprintf_filtered (gdb_stdout, ctlstr, args); | |
1147 | printf_filtered ("(y or n) "); | |
1148 | ||
1149 | if (annotation_level > 1) | |
1150 | printf_filtered ("\n\032\032query\n"); | |
1151 | ||
1152 | #ifdef MPW | |
1153 | /* If not in MacGDB, move to a new line so the entered line doesn't | |
c5aa993b | 1154 | have a prompt on the front of it. */ |
c906108c SS |
1155 | if (!mac_app) |
1156 | fputs_unfiltered ("\n", gdb_stdout); | |
1157 | #endif /* MPW */ | |
1158 | ||
c5aa993b | 1159 | wrap_here (""); |
c906108c SS |
1160 | gdb_flush (gdb_stdout); |
1161 | ||
1162 | #if defined(TUI) | |
c5aa993b | 1163 | if (!tui_version || cmdWin == tuiWinWithFocus ()) |
c906108c SS |
1164 | #endif |
1165 | answer = fgetc (stdin); | |
1166 | #if defined(TUI) | |
1167 | else | |
c5aa993b | 1168 | answer = (unsigned char) tuiBufferGetc (); |
c906108c SS |
1169 | |
1170 | #endif | |
1171 | clearerr (stdin); /* in case of C-d */ | |
1172 | if (answer == EOF) /* C-d */ | |
c5aa993b | 1173 | { |
c906108c SS |
1174 | retval = 1; |
1175 | break; | |
1176 | } | |
1177 | /* Eat rest of input line, to EOF or newline */ | |
1178 | if ((answer != '\n') || (tui_version && answer != '\r')) | |
c5aa993b | 1179 | do |
c906108c SS |
1180 | { |
1181 | #if defined(TUI) | |
c5aa993b | 1182 | if (!tui_version || cmdWin == tuiWinWithFocus ()) |
c906108c SS |
1183 | #endif |
1184 | ans2 = fgetc (stdin); | |
1185 | #if defined(TUI) | |
1186 | else | |
c5aa993b | 1187 | ans2 = (unsigned char) tuiBufferGetc (); |
c906108c SS |
1188 | #endif |
1189 | clearerr (stdin); | |
1190 | } | |
c5aa993b JM |
1191 | while (ans2 != EOF && ans2 != '\n' && ans2 != '\r'); |
1192 | TUIDO (((TuiOpaqueFuncPtr) tui_vStartNewLines, 1)); | |
c906108c SS |
1193 | |
1194 | if (answer >= 'a') | |
1195 | answer -= 040; | |
1196 | if (answer == 'Y') | |
1197 | { | |
1198 | retval = 1; | |
1199 | break; | |
1200 | } | |
1201 | if (answer == 'N') | |
1202 | { | |
1203 | retval = 0; | |
1204 | break; | |
1205 | } | |
1206 | printf_filtered ("Please answer y or n.\n"); | |
1207 | } | |
1208 | ||
1209 | if (annotation_level > 1) | |
1210 | printf_filtered ("\n\032\032post-query\n"); | |
1211 | return retval; | |
1212 | } | |
c906108c | 1213 | \f |
c5aa993b | 1214 | |
c906108c SS |
1215 | /* Parse a C escape sequence. STRING_PTR points to a variable |
1216 | containing a pointer to the string to parse. That pointer | |
1217 | should point to the character after the \. That pointer | |
1218 | is updated past the characters we use. The value of the | |
1219 | escape sequence is returned. | |
1220 | ||
1221 | A negative value means the sequence \ newline was seen, | |
1222 | which is supposed to be equivalent to nothing at all. | |
1223 | ||
1224 | If \ is followed by a null character, we return a negative | |
1225 | value and leave the string pointer pointing at the null character. | |
1226 | ||
1227 | If \ is followed by 000, we return 0 and leave the string pointer | |
1228 | after the zeros. A value of 0 does not mean end of string. */ | |
1229 | ||
1230 | int | |
1231 | parse_escape (string_ptr) | |
1232 | char **string_ptr; | |
1233 | { | |
1234 | register int c = *(*string_ptr)++; | |
1235 | switch (c) | |
1236 | { | |
1237 | case 'a': | |
1238 | return 007; /* Bell (alert) char */ | |
1239 | case 'b': | |
1240 | return '\b'; | |
1241 | case 'e': /* Escape character */ | |
1242 | return 033; | |
1243 | case 'f': | |
1244 | return '\f'; | |
1245 | case 'n': | |
1246 | return '\n'; | |
1247 | case 'r': | |
1248 | return '\r'; | |
1249 | case 't': | |
1250 | return '\t'; | |
1251 | case 'v': | |
1252 | return '\v'; | |
1253 | case '\n': | |
1254 | return -2; | |
1255 | case 0: | |
1256 | (*string_ptr)--; | |
1257 | return 0; | |
1258 | case '^': | |
1259 | c = *(*string_ptr)++; | |
1260 | if (c == '\\') | |
1261 | c = parse_escape (string_ptr); | |
1262 | if (c == '?') | |
1263 | return 0177; | |
1264 | return (c & 0200) | (c & 037); | |
c5aa993b | 1265 | |
c906108c SS |
1266 | case '0': |
1267 | case '1': | |
1268 | case '2': | |
1269 | case '3': | |
1270 | case '4': | |
1271 | case '5': | |
1272 | case '6': | |
1273 | case '7': | |
1274 | { | |
1275 | register int i = c - '0'; | |
1276 | register int count = 0; | |
1277 | while (++count < 3) | |
1278 | { | |
1279 | if ((c = *(*string_ptr)++) >= '0' && c <= '7') | |
1280 | { | |
1281 | i *= 8; | |
1282 | i += c - '0'; | |
1283 | } | |
1284 | else | |
1285 | { | |
1286 | (*string_ptr)--; | |
1287 | break; | |
1288 | } | |
1289 | } | |
1290 | return i; | |
1291 | } | |
1292 | default: | |
1293 | return c; | |
1294 | } | |
1295 | } | |
1296 | \f | |
1297 | /* Print the character C on STREAM as part of the contents of a literal | |
1298 | string whose delimiter is QUOTER. Note that this routine should only | |
1299 | be call for printing things which are independent of the language | |
1300 | of the program being debugged. */ | |
1301 | ||
43e526b9 JM |
1302 | 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)); |
1303 | ||
1304 | static void | |
1305 | printchar (c, do_fputs, do_fprintf, stream, quoter) | |
1306 | int c; | |
1307 | void (*do_fputs) PARAMS ((const char *, GDB_FILE*)); | |
1308 | void (*do_fprintf) PARAMS ((GDB_FILE*, const char *, ...)); | |
c906108c SS |
1309 | GDB_FILE *stream; |
1310 | int quoter; | |
1311 | { | |
1312 | ||
1313 | c &= 0xFF; /* Avoid sign bit follies */ | |
1314 | ||
c5aa993b JM |
1315 | if (c < 0x20 || /* Low control chars */ |
1316 | (c >= 0x7F && c < 0xA0) || /* DEL, High controls */ | |
1317 | (sevenbit_strings && c >= 0x80)) | |
1318 | { /* high order bit set */ | |
1319 | switch (c) | |
1320 | { | |
1321 | case '\n': | |
43e526b9 | 1322 | do_fputs ("\\n", stream); |
c5aa993b JM |
1323 | break; |
1324 | case '\b': | |
43e526b9 | 1325 | do_fputs ("\\b", stream); |
c5aa993b JM |
1326 | break; |
1327 | case '\t': | |
43e526b9 | 1328 | do_fputs ("\\t", stream); |
c5aa993b JM |
1329 | break; |
1330 | case '\f': | |
43e526b9 | 1331 | do_fputs ("\\f", stream); |
c5aa993b JM |
1332 | break; |
1333 | case '\r': | |
43e526b9 | 1334 | do_fputs ("\\r", stream); |
c5aa993b JM |
1335 | break; |
1336 | case '\033': | |
43e526b9 | 1337 | do_fputs ("\\e", stream); |
c5aa993b JM |
1338 | break; |
1339 | case '\007': | |
43e526b9 | 1340 | do_fputs ("\\a", stream); |
c5aa993b JM |
1341 | break; |
1342 | default: | |
43e526b9 | 1343 | do_fprintf (stream, "\\%.3o", (unsigned int) c); |
c5aa993b JM |
1344 | break; |
1345 | } | |
1346 | } | |
1347 | else | |
1348 | { | |
1349 | if (c == '\\' || c == quoter) | |
43e526b9 JM |
1350 | do_fputs ("\\", stream); |
1351 | do_fprintf (stream, "%c", c); | |
c5aa993b | 1352 | } |
c906108c | 1353 | } |
43e526b9 JM |
1354 | |
1355 | /* Print the character C on STREAM as part of the contents of a | |
1356 | literal string whose delimiter is QUOTER. Note that these routines | |
1357 | should only be call for printing things which are independent of | |
1358 | the language of the program being debugged. */ | |
1359 | ||
1360 | void | |
1361 | fputstr_filtered (str, quoter, stream) | |
1362 | const char *str; | |
1363 | int quoter; | |
1364 | GDB_FILE *stream; | |
1365 | { | |
1366 | while (*str) | |
1367 | printchar (*str++, fputs_filtered, fprintf_filtered, stream, quoter); | |
1368 | } | |
1369 | ||
1370 | void | |
1371 | fputstr_unfiltered (str, quoter, stream) | |
1372 | const char *str; | |
1373 | int quoter; | |
1374 | GDB_FILE *stream; | |
1375 | { | |
1376 | while (*str) | |
1377 | printchar (*str++, fputs_unfiltered, fprintf_unfiltered, stream, quoter); | |
1378 | } | |
1379 | ||
1380 | void | |
1381 | fputstrn_unfiltered (str, n, quoter, stream) | |
1382 | const char *str; | |
1383 | int n; | |
1384 | int quoter; | |
1385 | GDB_FILE *stream; | |
1386 | { | |
1387 | int i; | |
1388 | for (i = 0; i < n; i++) | |
1389 | printchar (str[i], fputs_unfiltered, fprintf_unfiltered, stream, quoter); | |
1390 | } | |
1391 | ||
c906108c | 1392 | \f |
c5aa993b | 1393 | |
c906108c SS |
1394 | /* Number of lines per page or UINT_MAX if paging is disabled. */ |
1395 | static unsigned int lines_per_page; | |
e514a9d6 | 1396 | /* Number of chars per line or UNIT_MAX if line folding is disabled. */ |
c906108c SS |
1397 | static unsigned int chars_per_line; |
1398 | /* Current count of lines printed on this page, chars on this line. */ | |
1399 | static unsigned int lines_printed, chars_printed; | |
1400 | ||
1401 | /* Buffer and start column of buffered text, for doing smarter word- | |
1402 | wrapping. When someone calls wrap_here(), we start buffering output | |
1403 | that comes through fputs_filtered(). If we see a newline, we just | |
1404 | spit it out and forget about the wrap_here(). If we see another | |
1405 | wrap_here(), we spit it out and remember the newer one. If we see | |
1406 | the end of the line, we spit out a newline, the indent, and then | |
1407 | the buffered output. */ | |
1408 | ||
1409 | /* Malloc'd buffer with chars_per_line+2 bytes. Contains characters which | |
1410 | are waiting to be output (they have already been counted in chars_printed). | |
1411 | When wrap_buffer[0] is null, the buffer is empty. */ | |
1412 | static char *wrap_buffer; | |
1413 | ||
1414 | /* Pointer in wrap_buffer to the next character to fill. */ | |
1415 | static char *wrap_pointer; | |
1416 | ||
1417 | /* String to indent by if the wrap occurs. Must not be NULL if wrap_column | |
1418 | is non-zero. */ | |
1419 | static char *wrap_indent; | |
1420 | ||
1421 | /* Column number on the screen where wrap_buffer begins, or 0 if wrapping | |
1422 | is not in effect. */ | |
1423 | static int wrap_column; | |
c906108c | 1424 | \f |
c5aa993b | 1425 | |
c906108c SS |
1426 | /* Inialize the lines and chars per page */ |
1427 | void | |
c5aa993b | 1428 | init_page_info () |
c906108c SS |
1429 | { |
1430 | #if defined(TUI) | |
c5aa993b | 1431 | if (tui_version && m_winPtrNotNull (cmdWin)) |
c906108c SS |
1432 | { |
1433 | lines_per_page = cmdWin->generic.height; | |
1434 | chars_per_line = cmdWin->generic.width; | |
1435 | } | |
1436 | else | |
1437 | #endif | |
1438 | { | |
1439 | /* These defaults will be used if we are unable to get the correct | |
1440 | values from termcap. */ | |
1441 | #if defined(__GO32__) | |
c5aa993b JM |
1442 | lines_per_page = ScreenRows (); |
1443 | chars_per_line = ScreenCols (); | |
1444 | #else | |
c906108c SS |
1445 | lines_per_page = 24; |
1446 | chars_per_line = 80; | |
1447 | ||
1448 | #if !defined (MPW) && !defined (_WIN32) | |
1449 | /* No termcap under MPW, although might be cool to do something | |
1450 | by looking at worksheet or console window sizes. */ | |
1451 | /* Initialize the screen height and width from termcap. */ | |
1452 | { | |
c5aa993b | 1453 | char *termtype = getenv ("TERM"); |
c906108c | 1454 | |
c5aa993b JM |
1455 | /* Positive means success, nonpositive means failure. */ |
1456 | int status; | |
c906108c | 1457 | |
c5aa993b JM |
1458 | /* 2048 is large enough for all known terminals, according to the |
1459 | GNU termcap manual. */ | |
1460 | char term_buffer[2048]; | |
c906108c | 1461 | |
c5aa993b JM |
1462 | if (termtype) |
1463 | { | |
c906108c SS |
1464 | status = tgetent (term_buffer, termtype); |
1465 | if (status > 0) | |
1466 | { | |
c5aa993b | 1467 | int val; |
c906108c | 1468 | int running_in_emacs = getenv ("EMACS") != NULL; |
c5aa993b JM |
1469 | |
1470 | val = tgetnum ("li"); | |
1471 | if (val >= 0 && !running_in_emacs) | |
1472 | lines_per_page = val; | |
1473 | else | |
1474 | /* The number of lines per page is not mentioned | |
c906108c SS |
1475 | in the terminal description. This probably means |
1476 | that paging is not useful (e.g. emacs shell window), | |
1477 | so disable paging. */ | |
c5aa993b JM |
1478 | lines_per_page = UINT_MAX; |
1479 | ||
1480 | val = tgetnum ("co"); | |
1481 | if (val >= 0) | |
1482 | chars_per_line = val; | |
c906108c | 1483 | } |
c5aa993b | 1484 | } |
c906108c SS |
1485 | } |
1486 | #endif /* MPW */ | |
1487 | ||
1488 | #if defined(SIGWINCH) && defined(SIGWINCH_HANDLER) | |
1489 | ||
1490 | /* If there is a better way to determine the window size, use it. */ | |
1491 | SIGWINCH_HANDLER (SIGWINCH); | |
1492 | #endif | |
1493 | #endif | |
1494 | /* If the output is not a terminal, don't paginate it. */ | |
1495 | if (!GDB_FILE_ISATTY (gdb_stdout)) | |
c5aa993b JM |
1496 | lines_per_page = UINT_MAX; |
1497 | } /* the command_line_version */ | |
1498 | set_width (); | |
c906108c SS |
1499 | } |
1500 | ||
1501 | static void | |
c5aa993b | 1502 | set_width () |
c906108c SS |
1503 | { |
1504 | if (chars_per_line == 0) | |
c5aa993b | 1505 | init_page_info (); |
c906108c SS |
1506 | |
1507 | if (!wrap_buffer) | |
1508 | { | |
1509 | wrap_buffer = (char *) xmalloc (chars_per_line + 2); | |
1510 | wrap_buffer[0] = '\0'; | |
1511 | } | |
1512 | else | |
1513 | wrap_buffer = (char *) xrealloc (wrap_buffer, chars_per_line + 2); | |
c5aa993b | 1514 | wrap_pointer = wrap_buffer; /* Start it at the beginning */ |
c906108c SS |
1515 | } |
1516 | ||
1517 | /* ARGSUSED */ | |
c5aa993b | 1518 | static void |
c906108c SS |
1519 | set_width_command (args, from_tty, c) |
1520 | char *args; | |
1521 | int from_tty; | |
1522 | struct cmd_list_element *c; | |
1523 | { | |
1524 | set_width (); | |
1525 | } | |
1526 | ||
1527 | /* Wait, so the user can read what's on the screen. Prompt the user | |
1528 | to continue by pressing RETURN. */ | |
1529 | ||
1530 | static void | |
1531 | prompt_for_continue () | |
1532 | { | |
1533 | char *ignore; | |
1534 | char cont_prompt[120]; | |
1535 | ||
1536 | if (annotation_level > 1) | |
1537 | printf_unfiltered ("\n\032\032pre-prompt-for-continue\n"); | |
1538 | ||
1539 | strcpy (cont_prompt, | |
1540 | "---Type <return> to continue, or q <return> to quit---"); | |
1541 | if (annotation_level > 1) | |
1542 | strcat (cont_prompt, "\n\032\032prompt-for-continue\n"); | |
1543 | ||
1544 | /* We must do this *before* we call gdb_readline, else it will eventually | |
1545 | call us -- thinking that we're trying to print beyond the end of the | |
1546 | screen. */ | |
1547 | reinitialize_more_filter (); | |
1548 | ||
1549 | immediate_quit++; | |
1550 | /* On a real operating system, the user can quit with SIGINT. | |
1551 | But not on GO32. | |
1552 | ||
1553 | 'q' is provided on all systems so users don't have to change habits | |
1554 | from system to system, and because telling them what to do in | |
1555 | the prompt is more user-friendly than expecting them to think of | |
1556 | SIGINT. */ | |
1557 | /* Call readline, not gdb_readline, because GO32 readline handles control-C | |
1558 | whereas control-C to gdb_readline will cause the user to get dumped | |
1559 | out to DOS. */ | |
1560 | ignore = readline (cont_prompt); | |
1561 | ||
1562 | if (annotation_level > 1) | |
1563 | printf_unfiltered ("\n\032\032post-prompt-for-continue\n"); | |
1564 | ||
1565 | if (ignore) | |
1566 | { | |
1567 | char *p = ignore; | |
1568 | while (*p == ' ' || *p == '\t') | |
1569 | ++p; | |
1570 | if (p[0] == 'q') | |
0f71a2f6 | 1571 | { |
6426a772 | 1572 | if (!event_loop_p) |
0f71a2f6 JM |
1573 | request_quit (SIGINT); |
1574 | else | |
c5aa993b | 1575 | async_request_quit (0); |
0f71a2f6 | 1576 | } |
c906108c SS |
1577 | free (ignore); |
1578 | } | |
1579 | immediate_quit--; | |
1580 | ||
1581 | /* Now we have to do this again, so that GDB will know that it doesn't | |
1582 | need to save the ---Type <return>--- line at the top of the screen. */ | |
1583 | reinitialize_more_filter (); | |
1584 | ||
1585 | dont_repeat (); /* Forget prev cmd -- CR won't repeat it. */ | |
1586 | } | |
1587 | ||
1588 | /* Reinitialize filter; ie. tell it to reset to original values. */ | |
1589 | ||
1590 | void | |
1591 | reinitialize_more_filter () | |
1592 | { | |
1593 | lines_printed = 0; | |
1594 | chars_printed = 0; | |
1595 | } | |
1596 | ||
1597 | /* Indicate that if the next sequence of characters overflows the line, | |
1598 | a newline should be inserted here rather than when it hits the end. | |
1599 | If INDENT is non-null, it is a string to be printed to indent the | |
1600 | wrapped part on the next line. INDENT must remain accessible until | |
1601 | the next call to wrap_here() or until a newline is printed through | |
1602 | fputs_filtered(). | |
1603 | ||
1604 | If the line is already overfull, we immediately print a newline and | |
1605 | the indentation, and disable further wrapping. | |
1606 | ||
1607 | If we don't know the width of lines, but we know the page height, | |
1608 | we must not wrap words, but should still keep track of newlines | |
1609 | that were explicitly printed. | |
1610 | ||
1611 | INDENT should not contain tabs, as that will mess up the char count | |
1612 | on the next line. FIXME. | |
1613 | ||
1614 | This routine is guaranteed to force out any output which has been | |
1615 | squirreled away in the wrap_buffer, so wrap_here ((char *)0) can be | |
1616 | used to force out output from the wrap_buffer. */ | |
1617 | ||
1618 | void | |
c5aa993b | 1619 | wrap_here (indent) |
c906108c SS |
1620 | char *indent; |
1621 | { | |
1622 | /* This should have been allocated, but be paranoid anyway. */ | |
1623 | if (!wrap_buffer) | |
1624 | abort (); | |
1625 | ||
1626 | if (wrap_buffer[0]) | |
1627 | { | |
1628 | *wrap_pointer = '\0'; | |
1629 | fputs_unfiltered (wrap_buffer, gdb_stdout); | |
1630 | } | |
1631 | wrap_pointer = wrap_buffer; | |
1632 | wrap_buffer[0] = '\0'; | |
c5aa993b | 1633 | if (chars_per_line == UINT_MAX) /* No line overflow checking */ |
c906108c SS |
1634 | { |
1635 | wrap_column = 0; | |
1636 | } | |
1637 | else if (chars_printed >= chars_per_line) | |
1638 | { | |
1639 | puts_filtered ("\n"); | |
1640 | if (indent != NULL) | |
1641 | puts_filtered (indent); | |
1642 | wrap_column = 0; | |
1643 | } | |
1644 | else | |
1645 | { | |
1646 | wrap_column = chars_printed; | |
1647 | if (indent == NULL) | |
1648 | wrap_indent = ""; | |
1649 | else | |
1650 | wrap_indent = indent; | |
1651 | } | |
1652 | } | |
1653 | ||
1654 | /* Ensure that whatever gets printed next, using the filtered output | |
1655 | commands, starts at the beginning of the line. I.E. if there is | |
1656 | any pending output for the current line, flush it and start a new | |
1657 | line. Otherwise do nothing. */ | |
1658 | ||
1659 | void | |
1660 | begin_line () | |
1661 | { | |
1662 | if (chars_printed > 0) | |
1663 | { | |
1664 | puts_filtered ("\n"); | |
1665 | } | |
1666 | } | |
1667 | ||
ac9a91a7 JM |
1668 | |
1669 | /* ``struct gdb_file'' implementation that maps directly onto | |
1670 | <stdio.h>'s FILE. */ | |
1671 | ||
11cf8741 | 1672 | static gdb_file_write_ftype stdio_file_write; |
ac9a91a7 JM |
1673 | static gdb_file_fputs_ftype stdio_file_fputs; |
1674 | static gdb_file_isatty_ftype stdio_file_isatty; | |
1675 | static gdb_file_delete_ftype stdio_file_delete; | |
c5aa993b | 1676 | static struct gdb_file *stdio_file_new PARAMS ((FILE * file, int close_p)); |
ac9a91a7 JM |
1677 | static gdb_file_flush_ftype stdio_file_flush; |
1678 | ||
1679 | static int stdio_file_magic; | |
1680 | ||
1681 | struct stdio_file | |
c5aa993b JM |
1682 | { |
1683 | int *magic; | |
1684 | FILE *file; | |
1685 | int close_p; | |
1686 | }; | |
ac9a91a7 JM |
1687 | |
1688 | static struct gdb_file * | |
1689 | stdio_file_new (file, close_p) | |
1690 | FILE *file; | |
1691 | int close_p; | |
1692 | { | |
1693 | struct gdb_file *gdb_file = gdb_file_new (); | |
1694 | struct stdio_file *stdio = xmalloc (sizeof (struct stdio_file)); | |
1695 | stdio->magic = &stdio_file_magic; | |
1696 | stdio->file = file; | |
1697 | stdio->close_p = close_p; | |
1698 | set_gdb_file_data (gdb_file, stdio, stdio_file_delete); | |
1699 | set_gdb_file_flush (gdb_file, stdio_file_flush); | |
11cf8741 | 1700 | set_gdb_file_write (gdb_file, stdio_file_write); |
ac9a91a7 JM |
1701 | set_gdb_file_fputs (gdb_file, stdio_file_fputs); |
1702 | set_gdb_file_isatty (gdb_file, stdio_file_isatty); | |
1703 | return gdb_file; | |
1704 | } | |
1705 | ||
1706 | static void | |
1707 | stdio_file_delete (file) | |
1708 | struct gdb_file *file; | |
1709 | { | |
1710 | struct stdio_file *stdio = gdb_file_data (file); | |
1711 | if (stdio->magic != &stdio_file_magic) | |
11cf8741 | 1712 | internal_error ("stdio_file_delete: bad magic number"); |
ac9a91a7 JM |
1713 | if (stdio->close_p) |
1714 | { | |
1715 | fclose (stdio->file); | |
1716 | } | |
1717 | free (stdio); | |
1718 | } | |
1719 | ||
1720 | static void | |
1721 | stdio_file_flush (file) | |
1722 | struct gdb_file *file; | |
c906108c | 1723 | { |
ac9a91a7 JM |
1724 | struct stdio_file *stdio = gdb_file_data (file); |
1725 | if (stdio->magic != &stdio_file_magic) | |
11cf8741 | 1726 | internal_error ("stdio_file_flush: bad magic number"); |
ac9a91a7 JM |
1727 | fflush (stdio->file); |
1728 | } | |
1729 | ||
11cf8741 JM |
1730 | static void |
1731 | stdio_file_write (struct gdb_file *file, const char *buf, long length_buf) | |
1732 | { | |
1733 | struct stdio_file *stdio = gdb_file_data (file); | |
1734 | if (stdio->magic != &stdio_file_magic) | |
1735 | internal_error ("stdio_file_write: bad magic number"); | |
1736 | fwrite (buf, length_buf, 1, stdio->file); | |
1737 | } | |
1738 | ||
ac9a91a7 JM |
1739 | static void |
1740 | stdio_file_fputs (linebuffer, file) | |
1741 | const char *linebuffer; | |
1742 | struct gdb_file *file; | |
1743 | { | |
1744 | struct stdio_file *stdio = gdb_file_data (file); | |
1745 | if (stdio->magic != &stdio_file_magic) | |
11cf8741 | 1746 | internal_error ("stdio_file_fputs: bad magic number"); |
ac9a91a7 JM |
1747 | fputs (linebuffer, stdio->file); |
1748 | } | |
1749 | ||
1750 | static int | |
1751 | stdio_file_isatty (file) | |
1752 | struct gdb_file *file; | |
1753 | { | |
1754 | struct stdio_file *stdio = gdb_file_data (file); | |
1755 | if (stdio->magic != &stdio_file_magic) | |
11cf8741 | 1756 | internal_error ("stdio_file_isatty: bad magic number"); |
ac9a91a7 JM |
1757 | return (isatty (fileno (stdio->file))); |
1758 | } | |
1759 | ||
1760 | /* Like fdopen(). Create a gdb_file from a previously opened FILE. */ | |
1761 | ||
1762 | struct gdb_file * | |
1763 | stdio_fileopen (file) | |
1764 | FILE *file; | |
1765 | { | |
1766 | return stdio_file_new (file, 0); | |
1767 | } | |
1768 | ||
1769 | ||
917317f4 | 1770 | /* A pure memory based ``struct gdb_file'' that can be used an output |
4ce44c66 JM |
1771 | buffer. The buffers accumulated contents are available via |
1772 | gdb_file_put(). */ | |
917317f4 JM |
1773 | |
1774 | struct mem_file | |
1775 | { | |
1776 | int *magic; | |
1777 | char *buffer; | |
1778 | int sizeof_buffer; | |
4ce44c66 | 1779 | int length_buffer; |
917317f4 JM |
1780 | }; |
1781 | ||
917317f4 JM |
1782 | static gdb_file_rewind_ftype mem_file_rewind; |
1783 | static gdb_file_put_ftype mem_file_put; | |
4ce44c66 | 1784 | static gdb_file_write_ftype mem_file_write; |
917317f4 JM |
1785 | static gdb_file_delete_ftype mem_file_delete; |
1786 | static struct gdb_file *mem_file_new PARAMS ((void)); | |
1787 | static int mem_file_magic; | |
1788 | ||
1789 | static struct gdb_file * | |
1790 | mem_file_new (void) | |
1791 | { | |
1792 | struct mem_file *stream = XMALLOC (struct mem_file); | |
1793 | struct gdb_file *file = gdb_file_new (); | |
1794 | set_gdb_file_data (file, stream, mem_file_delete); | |
917317f4 JM |
1795 | set_gdb_file_rewind (file, mem_file_rewind); |
1796 | set_gdb_file_put (file, mem_file_put); | |
4ce44c66 | 1797 | set_gdb_file_write (file, mem_file_write); |
917317f4 JM |
1798 | stream->magic = &mem_file_magic; |
1799 | stream->buffer = NULL; | |
1800 | stream->sizeof_buffer = 0; | |
4ce44c66 | 1801 | stream->length_buffer = 0; |
917317f4 JM |
1802 | return file; |
1803 | } | |
1804 | ||
1805 | static void | |
1806 | mem_file_delete (struct gdb_file *file) | |
1807 | { | |
1808 | struct mem_file *stream = gdb_file_data (file); | |
1809 | if (stream->magic != &mem_file_magic) | |
1810 | internal_error ("mem_file_delete: bad magic number"); | |
1811 | if (stream->buffer != NULL) | |
1812 | free (stream->buffer); | |
1813 | free (stream); | |
1814 | } | |
1815 | ||
1816 | struct gdb_file * | |
1817 | mem_fileopen (void) | |
1818 | { | |
1819 | return mem_file_new (); | |
1820 | } | |
1821 | ||
1822 | static void | |
1823 | mem_file_rewind (struct gdb_file *file) | |
1824 | { | |
1825 | struct mem_file *stream = gdb_file_data (file); | |
1826 | if (stream->magic != &mem_file_magic) | |
1827 | internal_error ("mem_file_rewind: bad magic number"); | |
4ce44c66 | 1828 | stream->length_buffer = 0; |
917317f4 JM |
1829 | } |
1830 | ||
1831 | static void | |
4ce44c66 JM |
1832 | mem_file_put (struct gdb_file *file, |
1833 | gdb_file_put_method_ftype *write, | |
1834 | void *dest) | |
917317f4 JM |
1835 | { |
1836 | struct mem_file *stream = gdb_file_data (file); | |
1837 | if (stream->magic != &mem_file_magic) | |
1838 | internal_error ("mem_file_put: bad magic number"); | |
4ce44c66 JM |
1839 | if (stream->length_buffer > 0) |
1840 | write (dest, stream->buffer, stream->length_buffer); | |
917317f4 JM |
1841 | } |
1842 | ||
1843 | void | |
4ce44c66 JM |
1844 | mem_file_write (struct gdb_file *file, |
1845 | const char *buffer, | |
1846 | long length_buffer) | |
917317f4 JM |
1847 | { |
1848 | struct mem_file *stream = gdb_file_data (file); | |
1849 | if (stream->magic != &mem_file_magic) | |
4ce44c66 | 1850 | internal_error ("mem_file_write: bad magic number"); |
917317f4 JM |
1851 | if (stream->buffer == NULL) |
1852 | { | |
4ce44c66 JM |
1853 | stream->length_buffer = length_buffer; |
1854 | stream->sizeof_buffer = length_buffer; | |
917317f4 | 1855 | stream->buffer = xmalloc (stream->sizeof_buffer); |
4ce44c66 | 1856 | memcpy (stream->buffer, buffer, length_buffer); |
917317f4 JM |
1857 | } |
1858 | else | |
1859 | { | |
4ce44c66 JM |
1860 | int new_length = stream->length_buffer + length_buffer; |
1861 | if (new_length >= stream->sizeof_buffer) | |
917317f4 | 1862 | { |
4ce44c66 | 1863 | stream->sizeof_buffer = new_length; |
917317f4 JM |
1864 | stream->buffer = xrealloc (stream->buffer, stream->sizeof_buffer); |
1865 | } | |
4ce44c66 JM |
1866 | memcpy (stream->buffer + stream->length_buffer, buffer, length_buffer); |
1867 | stream->length_buffer = new_length; | |
917317f4 JM |
1868 | } |
1869 | } | |
1870 | ||
ac9a91a7 JM |
1871 | /* A ``struct gdb_file'' that is compatible with all the legacy |
1872 | code. */ | |
c906108c | 1873 | |
104c1213 JM |
1874 | /* new */ |
1875 | enum streamtype | |
1876 | { | |
1877 | afile, | |
1878 | astring | |
1879 | }; | |
1880 | ||
1881 | /* new */ | |
1882 | struct tui_stream | |
1883 | { | |
1884 | int *ts_magic; | |
1885 | enum streamtype ts_streamtype; | |
1886 | FILE *ts_filestream; | |
1887 | char *ts_strbuf; | |
1888 | int ts_buflen; | |
1889 | }; | |
1890 | ||
ac9a91a7 JM |
1891 | static gdb_file_flush_ftype tui_file_flush; |
1892 | extern gdb_file_fputs_ftype tui_file_fputs; | |
1893 | static gdb_file_isatty_ftype tui_file_isatty; | |
0f71a2f6 JM |
1894 | static gdb_file_rewind_ftype tui_file_rewind; |
1895 | static gdb_file_put_ftype tui_file_put; | |
ac9a91a7 JM |
1896 | static gdb_file_delete_ftype tui_file_delete; |
1897 | static struct gdb_file *tui_file_new PARAMS ((void)); | |
1898 | static int tui_file_magic; | |
1899 | ||
1900 | static struct gdb_file * | |
1901 | tui_file_new () | |
1902 | { | |
1903 | struct tui_stream *tui = xmalloc (sizeof (struct tui_stream)); | |
1904 | struct gdb_file *file = gdb_file_new (); | |
1905 | set_gdb_file_data (file, tui, tui_file_delete); | |
1906 | set_gdb_file_flush (file, tui_file_flush); | |
1907 | set_gdb_file_fputs (file, tui_file_fputs); | |
1908 | set_gdb_file_isatty (file, tui_file_isatty); | |
0f71a2f6 JM |
1909 | set_gdb_file_rewind (file, tui_file_rewind); |
1910 | set_gdb_file_put (file, tui_file_put); | |
ac9a91a7 JM |
1911 | tui->ts_magic = &tui_file_magic; |
1912 | return file; | |
1913 | } | |
1914 | ||
1915 | static void | |
1916 | tui_file_delete (file) | |
1917 | struct gdb_file *file; | |
1918 | { | |
1919 | struct tui_stream *tmpstream = gdb_file_data (file); | |
1920 | if (tmpstream->ts_magic != &tui_file_magic) | |
11cf8741 | 1921 | internal_error ("tui_file_delete: bad magic number"); |
ac9a91a7 | 1922 | if ((tmpstream->ts_streamtype == astring) && |
c5aa993b | 1923 | (tmpstream->ts_strbuf != NULL)) |
ac9a91a7 JM |
1924 | { |
1925 | free (tmpstream->ts_strbuf); | |
1926 | } | |
1927 | free (tmpstream); | |
1928 | } | |
1929 | ||
1930 | struct gdb_file * | |
1931 | tui_fileopen (stream) | |
1932 | FILE *stream; | |
1933 | { | |
1934 | struct gdb_file *file = tui_file_new (); | |
1935 | struct tui_stream *tmpstream = gdb_file_data (file); | |
1936 | tmpstream->ts_streamtype = afile; | |
1937 | tmpstream->ts_filestream = stream; | |
1938 | tmpstream->ts_strbuf = NULL; | |
1939 | tmpstream->ts_buflen = 0; | |
1940 | return file; | |
1941 | } | |
1942 | ||
2acceee2 JM |
1943 | struct gdb_file * |
1944 | tui_sfileopen (n) | |
1945 | int n; | |
1946 | { | |
1947 | struct gdb_file *file = tui_file_new (); | |
1948 | struct tui_stream *tmpstream = gdb_file_data (file); | |
1949 | tmpstream->ts_streamtype = astring; | |
1950 | tmpstream->ts_filestream = NULL; | |
1951 | if (n > 0) | |
1952 | { | |
1953 | tmpstream->ts_strbuf = xmalloc ((n + 1) * sizeof (char)); | |
1954 | tmpstream->ts_strbuf[0] = '\0'; | |
1955 | } | |
1956 | else | |
1957 | /* Do not allocate the buffer now. The first time something is printed | |
11cf8741 | 1958 | one will be allocated by tui_file_adjust_strbuf() */ |
2acceee2 JM |
1959 | tmpstream->ts_strbuf = NULL; |
1960 | tmpstream->ts_buflen = n; | |
1961 | return file; | |
1962 | } | |
1963 | ||
c5aa993b | 1964 | static int |
ac9a91a7 | 1965 | tui_file_isatty (file) |
c5aa993b | 1966 | struct gdb_file *file; |
ac9a91a7 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_isatty: bad magic number"); |
c906108c | 1971 | if (stream->ts_streamtype == afile) |
c5aa993b JM |
1972 | return (isatty (fileno (stream->ts_filestream))); |
1973 | else | |
1974 | return 0; | |
c906108c SS |
1975 | } |
1976 | ||
0f71a2f6 JM |
1977 | static void |
1978 | tui_file_rewind (file) | |
c5aa993b | 1979 | struct gdb_file *file; |
0f71a2f6 JM |
1980 | { |
1981 | struct tui_stream *stream = gdb_file_data (file); | |
1982 | if (stream->ts_magic != &tui_file_magic) | |
11cf8741 | 1983 | internal_error ("tui_file_rewind: bad magic number"); |
0f71a2f6 JM |
1984 | stream->ts_strbuf[0] = '\0'; |
1985 | } | |
1986 | ||
1987 | static void | |
4ce44c66 JM |
1988 | tui_file_put (struct gdb_file *file, |
1989 | gdb_file_put_method_ftype *write, | |
1990 | void *dest) | |
0f71a2f6 JM |
1991 | { |
1992 | struct tui_stream *stream = gdb_file_data (file); | |
1993 | if (stream->ts_magic != &tui_file_magic) | |
11cf8741 | 1994 | internal_error ("tui_file_put: bad magic number"); |
0f71a2f6 | 1995 | if (stream->ts_streamtype == astring) |
4ce44c66 | 1996 | write (dest, stream->ts_strbuf, strlen (stream->ts_strbuf)); |
0f71a2f6 JM |
1997 | } |
1998 | ||
104c1213 JM |
1999 | /* All TUI I/O sent to the *_filtered and *_unfiltered functions |
2000 | eventually ends up here. The fputs_unfiltered_hook is primarily | |
2001 | used by GUIs to collect all output and send it to the GUI, instead | |
2002 | of the controlling terminal. Only output to gdb_stdout and | |
2003 | gdb_stderr are sent to the hook. Everything else is sent on to | |
2004 | fputs to allow file I/O to be handled appropriately. */ | |
2005 | ||
2006 | /* FIXME: Should be broken up and moved to a TUI specific file. */ | |
2007 | ||
2008 | void | |
2009 | tui_file_fputs (linebuffer, file) | |
2010 | const char *linebuffer; | |
2011 | GDB_FILE *file; | |
2012 | { | |
2013 | struct tui_stream *stream = gdb_file_data (file); | |
2014 | #if defined(TUI) | |
2015 | extern int tui_owns_terminal; | |
2016 | #endif | |
917317f4 JM |
2017 | /* NOTE: cagney/1999-10-13: The use of fputs_unfiltered_hook is |
2018 | seriously discouraged. Those wanting to hook output should | |
2019 | instead implement their own gdb_file object and install that. See | |
2020 | also tui_file_flush(). */ | |
104c1213 JM |
2021 | if (fputs_unfiltered_hook |
2022 | && (file == gdb_stdout | |
2023 | || file == gdb_stderr)) | |
2024 | fputs_unfiltered_hook (linebuffer, file); | |
2025 | else | |
2026 | { | |
2027 | #if defined(TUI) | |
2028 | if (tui_version && tui_owns_terminal) | |
2029 | { | |
2030 | /* If we get here somehow while updating the TUI (from | |
2031 | * within a tuiDo(), then we need to temporarily | |
2032 | * set up the terminal for GDB output. This probably just | |
2033 | * happens on error output. | |
2034 | */ | |
2035 | ||
2036 | if (stream->ts_streamtype == astring) | |
2037 | { | |
11cf8741 | 2038 | tui_file_adjust_strbuf (strlen (linebuffer), stream); |
104c1213 JM |
2039 | strcat (stream->ts_strbuf, linebuffer); |
2040 | } | |
2041 | else | |
2042 | { | |
2043 | tuiTermUnsetup (0, (tui_version) ? cmdWin->detail.commandInfo.curch : 0); | |
2044 | fputs (linebuffer, stream->ts_filestream); | |
2045 | tuiTermSetup (0); | |
2046 | if (linebuffer[strlen (linebuffer) - 1] == '\n') | |
2047 | tuiClearCommandCharCount (); | |
2048 | else | |
2049 | tuiIncrCommandCharCountBy (strlen (linebuffer)); | |
2050 | } | |
2051 | } | |
2052 | else | |
2053 | { | |
2054 | /* The normal case - just do a fputs() */ | |
2055 | if (stream->ts_streamtype == astring) | |
2056 | { | |
11cf8741 | 2057 | tui_file_adjust_strbuf (strlen (linebuffer), stream); |
104c1213 JM |
2058 | strcat (stream->ts_strbuf, linebuffer); |
2059 | } | |
2060 | else | |
2061 | fputs (linebuffer, stream->ts_filestream); | |
2062 | } | |
2063 | ||
2064 | ||
2065 | #else | |
2066 | if (stream->ts_streamtype == astring) | |
2067 | { | |
11cf8741 | 2068 | tui_file_adjust_strbuf (strlen (linebuffer), file); |
104c1213 JM |
2069 | strcat (stream->ts_strbuf, linebuffer); |
2070 | } | |
2071 | else | |
2072 | fputs (linebuffer, stream->ts_filestream); | |
2073 | #endif | |
2074 | } | |
2075 | } | |
2076 | ||
c906108c | 2077 | char * |
11cf8741 | 2078 | tui_file_get_strbuf (struct gdb_file *file) |
c906108c | 2079 | { |
ac9a91a7 JM |
2080 | struct tui_stream *stream = gdb_file_data (file); |
2081 | if (stream->ts_magic != &tui_file_magic) | |
11cf8741 | 2082 | internal_error ("tui_file_get_strbuf: bad magic number"); |
c906108c SS |
2083 | return (stream->ts_strbuf); |
2084 | } | |
2085 | ||
2086 | /* adjust the length of the buffer by the amount necessary | |
2087 | to accomodate appending a string of length N to the buffer contents */ | |
2088 | void | |
11cf8741 | 2089 | tui_file_adjust_strbuf (int n, struct gdb_file *file) |
c906108c | 2090 | { |
ac9a91a7 | 2091 | struct tui_stream *stream = gdb_file_data (file); |
c906108c | 2092 | int non_null_chars; |
ac9a91a7 | 2093 | if (stream->ts_magic != &tui_file_magic) |
11cf8741 | 2094 | internal_error ("tui_file_adjust_strbuf: bad magic number"); |
392a587b JM |
2095 | |
2096 | if (stream->ts_streamtype != astring) | |
2097 | return; | |
c5aa993b | 2098 | |
392a587b | 2099 | if (stream->ts_strbuf) |
c906108c | 2100 | { |
392a587b | 2101 | /* There is already a buffer allocated */ |
c5aa993b JM |
2102 | non_null_chars = strlen (stream->ts_strbuf); |
2103 | ||
2104 | if (n > (stream->ts_buflen - non_null_chars - 1)) | |
2105 | { | |
2106 | stream->ts_buflen = n + non_null_chars + 1; | |
2107 | stream->ts_strbuf = xrealloc (stream->ts_strbuf, stream->ts_buflen); | |
2108 | } | |
2109 | } | |
392a587b JM |
2110 | else |
2111 | /* No buffer yet, so allocate one of the desired size */ | |
2112 | stream->ts_strbuf = xmalloc ((n + 1) * sizeof (char)); | |
c5aa993b | 2113 | } |
c906108c SS |
2114 | |
2115 | GDB_FILE * | |
2116 | gdb_fopen (name, mode) | |
c5aa993b JM |
2117 | char *name; |
2118 | char *mode; | |
c906108c | 2119 | { |
ac9a91a7 JM |
2120 | FILE *f = fopen (name, mode); |
2121 | if (f == NULL) | |
2122 | return NULL; | |
2123 | return stdio_file_new (f, 1); | |
c906108c SS |
2124 | } |
2125 | ||
ac9a91a7 JM |
2126 | static void |
2127 | tui_file_flush (file) | |
2128 | GDB_FILE *file; | |
c906108c | 2129 | { |
ac9a91a7 JM |
2130 | struct tui_stream *stream = gdb_file_data (file); |
2131 | if (stream->ts_magic != &tui_file_magic) | |
917317f4 JM |
2132 | internal_error ("tui_file_flush: bad magic number"); |
2133 | ||
2134 | /* NOTE: cagney/1999-10-12: If we've been linked with code that uses | |
2135 | fputs_unfiltered_hook then we assume that it doesn't need to know | |
2136 | about flushes. Code that does need to know about flushes can | |
2137 | implement a proper gdb_file object. */ | |
2138 | if (fputs_unfiltered_hook) | |
2139 | return; | |
2140 | ||
2141 | switch (stream->ts_streamtype) | |
c906108c | 2142 | { |
917317f4 JM |
2143 | case astring: |
2144 | break; | |
2145 | case afile: | |
2146 | fflush (stream->ts_filestream); | |
2147 | break; | |
c906108c | 2148 | } |
c906108c SS |
2149 | } |
2150 | ||
ac9a91a7 JM |
2151 | /* Implement the ``struct gdb_file'' object. */ |
2152 | ||
2153 | static gdb_file_isatty_ftype null_file_isatty; | |
11cf8741 | 2154 | static gdb_file_write_ftype null_file_write; |
ac9a91a7 JM |
2155 | static gdb_file_fputs_ftype null_file_fputs; |
2156 | static gdb_file_flush_ftype null_file_flush; | |
2157 | static gdb_file_delete_ftype null_file_delete; | |
0f71a2f6 JM |
2158 | static gdb_file_rewind_ftype null_file_rewind; |
2159 | static gdb_file_put_ftype null_file_put; | |
ac9a91a7 JM |
2160 | |
2161 | struct gdb_file | |
c5aa993b | 2162 | { |
4ce44c66 | 2163 | int *magic; |
c5aa993b | 2164 | gdb_file_flush_ftype *to_flush; |
11cf8741 | 2165 | gdb_file_write_ftype *to_write; |
c5aa993b JM |
2166 | gdb_file_fputs_ftype *to_fputs; |
2167 | gdb_file_delete_ftype *to_delete; | |
2168 | gdb_file_isatty_ftype *to_isatty; | |
2169 | gdb_file_rewind_ftype *to_rewind; | |
2170 | gdb_file_put_ftype *to_put; | |
2171 | void *to_data; | |
2172 | }; | |
4ce44c66 | 2173 | int gdb_file_magic; |
ac9a91a7 JM |
2174 | |
2175 | struct gdb_file * | |
2176 | gdb_file_new () | |
2177 | { | |
2178 | struct gdb_file *file = xmalloc (sizeof (struct gdb_file)); | |
4ce44c66 | 2179 | file->magic = &gdb_file_magic; |
ac9a91a7 JM |
2180 | set_gdb_file_data (file, NULL, null_file_delete); |
2181 | set_gdb_file_flush (file, null_file_flush); | |
11cf8741 | 2182 | set_gdb_file_write (file, null_file_write); |
ac9a91a7 JM |
2183 | set_gdb_file_fputs (file, null_file_fputs); |
2184 | set_gdb_file_isatty (file, null_file_isatty); | |
0f71a2f6 JM |
2185 | set_gdb_file_rewind (file, null_file_rewind); |
2186 | set_gdb_file_put (file, null_file_put); | |
ac9a91a7 JM |
2187 | return file; |
2188 | } | |
c906108c | 2189 | |
ac9a91a7 JM |
2190 | void |
2191 | gdb_file_delete (file) | |
2192 | struct gdb_file *file; | |
2193 | { | |
2194 | file->to_delete (file); | |
2195 | free (file); | |
2196 | } | |
2197 | ||
2198 | static int | |
2199 | null_file_isatty (file) | |
2200 | struct gdb_file *file; | |
2201 | { | |
2202 | return 0; | |
2203 | } | |
2204 | ||
0f71a2f6 JM |
2205 | static void |
2206 | null_file_rewind (file) | |
2207 | struct gdb_file *file; | |
2208 | { | |
2209 | return; | |
2210 | } | |
2211 | ||
2212 | static void | |
4ce44c66 JM |
2213 | null_file_put (struct gdb_file *file, |
2214 | gdb_file_put_method_ftype *write, | |
2215 | void *dest) | |
0f71a2f6 JM |
2216 | { |
2217 | return; | |
2218 | } | |
2219 | ||
ac9a91a7 JM |
2220 | static void |
2221 | null_file_flush (file) | |
2222 | struct gdb_file *file; | |
2223 | { | |
2224 | return; | |
2225 | } | |
2226 | ||
11cf8741 JM |
2227 | static void |
2228 | null_file_write (struct gdb_file *file, | |
2229 | const char *buf, | |
2230 | long sizeof_buf) | |
2231 | { | |
2232 | if (file->to_fputs == null_file_fputs) | |
2233 | /* Both the write and fputs methods are null. Discard the | |
2234 | request. */ | |
2235 | return; | |
2236 | else | |
2237 | { | |
2238 | /* The fputs method isn't null, slowly pass the write request | |
2239 | onto that. FYI, this isn't as bad as it may look - the | |
2240 | current (as of 1999-11-07) printf_* function calls fputc and | |
2241 | fputc does exactly the below. By having a write function it | |
2242 | is possible to clean up that code. */ | |
2243 | int i; | |
2244 | char b[2]; | |
2245 | b[1] = '\0'; | |
2246 | for (i = 0; i < sizeof_buf; i++) | |
2247 | { | |
2248 | b[0] = buf[i]; | |
2249 | file->to_fputs (b, file); | |
2250 | } | |
2251 | return; | |
2252 | } | |
2253 | } | |
2254 | ||
ac9a91a7 JM |
2255 | static void |
2256 | null_file_fputs (buf, file) | |
2257 | const char *buf; | |
2258 | struct gdb_file *file; | |
2259 | { | |
11cf8741 JM |
2260 | if (file->to_write == null_file_write) |
2261 | /* Both the write and fputs methods are null. Discard the | |
2262 | request. */ | |
2263 | return; | |
2264 | else | |
2265 | { | |
2266 | /* The write method was implemented, use that. */ | |
2267 | file->to_write (file, buf, strlen (buf)); | |
2268 | } | |
ac9a91a7 JM |
2269 | } |
2270 | ||
2271 | static void | |
2272 | null_file_delete (file) | |
2273 | struct gdb_file *file; | |
2274 | { | |
2275 | return; | |
2276 | } | |
2277 | ||
2278 | void * | |
2279 | gdb_file_data (file) | |
2280 | struct gdb_file *file; | |
2281 | { | |
4ce44c66 JM |
2282 | if (file->magic != &gdb_file_magic) |
2283 | internal_error ("gdb_file_data: bad magic number"); | |
ac9a91a7 JM |
2284 | return file->to_data; |
2285 | } | |
2286 | ||
2287 | void | |
2288 | gdb_flush (file) | |
2289 | struct gdb_file *file; | |
2290 | { | |
2291 | file->to_flush (file); | |
2292 | } | |
2293 | ||
2294 | int | |
2295 | gdb_file_isatty (file) | |
2296 | struct gdb_file *file; | |
2297 | { | |
2298 | return file->to_isatty (file); | |
2299 | } | |
2300 | ||
0f71a2f6 JM |
2301 | void |
2302 | gdb_file_rewind (file) | |
2303 | struct gdb_file *file; | |
2304 | { | |
085dd6e6 | 2305 | file->to_rewind (file); |
0f71a2f6 JM |
2306 | } |
2307 | ||
2308 | void | |
4ce44c66 JM |
2309 | gdb_file_put (struct gdb_file *file, |
2310 | gdb_file_put_method_ftype *write, | |
2311 | void *dest) | |
0f71a2f6 | 2312 | { |
4ce44c66 | 2313 | file->to_put (file, write, dest); |
0f71a2f6 JM |
2314 | } |
2315 | ||
11cf8741 JM |
2316 | void |
2317 | gdb_file_write (struct gdb_file *file, | |
2318 | const char *buf, | |
2319 | long length_buf) | |
2320 | { | |
2321 | file->to_write (file, buf, length_buf); | |
2322 | } | |
2323 | ||
ac9a91a7 JM |
2324 | void |
2325 | fputs_unfiltered (buf, file) | |
2326 | const char *buf; | |
2327 | struct gdb_file *file; | |
2328 | { | |
2329 | file->to_fputs (buf, file); | |
2330 | } | |
2331 | ||
2332 | void | |
2333 | set_gdb_file_flush (file, flush) | |
2334 | struct gdb_file *file; | |
2335 | gdb_file_flush_ftype *flush; | |
2336 | { | |
2337 | file->to_flush = flush; | |
2338 | } | |
2339 | ||
2340 | void | |
2341 | set_gdb_file_isatty (file, isatty) | |
2342 | struct gdb_file *file; | |
2343 | gdb_file_isatty_ftype *isatty; | |
2344 | { | |
2345 | file->to_isatty = isatty; | |
2346 | } | |
2347 | ||
0f71a2f6 JM |
2348 | void |
2349 | set_gdb_file_rewind (file, rewind) | |
2350 | struct gdb_file *file; | |
2351 | gdb_file_rewind_ftype *rewind; | |
2352 | { | |
2353 | file->to_rewind = rewind; | |
2354 | } | |
2355 | ||
2356 | void | |
2357 | set_gdb_file_put (file, put) | |
2358 | struct gdb_file *file; | |
2359 | gdb_file_put_ftype *put; | |
2360 | { | |
2361 | file->to_put = put; | |
2362 | } | |
2363 | ||
11cf8741 JM |
2364 | void |
2365 | set_gdb_file_write (struct gdb_file *file, | |
2366 | gdb_file_write_ftype *write) | |
2367 | { | |
2368 | file->to_write = write; | |
2369 | } | |
2370 | ||
ac9a91a7 JM |
2371 | void |
2372 | set_gdb_file_fputs (file, fputs) | |
2373 | struct gdb_file *file; | |
2374 | gdb_file_fputs_ftype *fputs; | |
2375 | { | |
2376 | file->to_fputs = fputs; | |
2377 | } | |
2378 | ||
2379 | void | |
2380 | set_gdb_file_data (file, data, delete) | |
2381 | struct gdb_file *file; | |
2382 | void *data; | |
2383 | gdb_file_delete_ftype *delete; | |
2384 | { | |
2385 | file->to_data = data; | |
2386 | file->to_delete = delete; | |
c906108c SS |
2387 | } |
2388 | ||
4ce44c66 JM |
2389 | /* gdb_file utility function for converting a ``struct gdb_file'' into |
2390 | a memory buffer''. */ | |
2391 | ||
2392 | struct accumulated_gdb_file | |
2393 | { | |
2394 | char *buffer; | |
2395 | long length; | |
2396 | }; | |
2397 | ||
2398 | static void | |
2399 | do_gdb_file_xstrdup (void *context, const char *buffer, long length) | |
2400 | { | |
2401 | struct accumulated_gdb_file *acc = context; | |
2402 | if (acc->buffer == NULL) | |
2403 | acc->buffer = xmalloc (length + 1); | |
2404 | else | |
2405 | acc->buffer = xrealloc (acc->buffer, acc->length + length + 1); | |
2406 | memcpy (acc->buffer + acc->length, buffer, length); | |
2407 | acc->length += length; | |
2408 | acc->buffer[acc->length] = '\0'; | |
2409 | } | |
2410 | ||
2411 | char * | |
2412 | gdb_file_xstrdup (struct gdb_file *file, | |
2413 | long *length) | |
2414 | { | |
2415 | struct accumulated_gdb_file acc; | |
2416 | acc.buffer = NULL; | |
2417 | acc.length = 0; | |
2418 | gdb_file_put (file, do_gdb_file_xstrdup, &acc); | |
2419 | if (acc.buffer == NULL) | |
2420 | acc.buffer = xstrdup (""); | |
2421 | *length = acc.length; | |
2422 | return acc.buffer; | |
2423 | } | |
2424 | ||
2425 | ||
c906108c SS |
2426 | /* Like fputs but if FILTER is true, pause after every screenful. |
2427 | ||
2428 | Regardless of FILTER can wrap at points other than the final | |
2429 | character of a line. | |
2430 | ||
2431 | Unlike fputs, fputs_maybe_filtered does not return a value. | |
2432 | It is OK for LINEBUFFER to be NULL, in which case just don't print | |
2433 | anything. | |
2434 | ||
2435 | Note that a longjmp to top level may occur in this routine (only if | |
2436 | FILTER is true) (since prompt_for_continue may do so) so this | |
2437 | routine should not be called when cleanups are not in place. */ | |
2438 | ||
2439 | static void | |
2440 | fputs_maybe_filtered (linebuffer, stream, filter) | |
2441 | const char *linebuffer; | |
2442 | GDB_FILE *stream; | |
2443 | int filter; | |
2444 | { | |
2445 | const char *lineptr; | |
2446 | ||
2447 | if (linebuffer == 0) | |
2448 | return; | |
2449 | ||
2450 | /* Don't do any filtering if it is disabled. */ | |
7a292a7a | 2451 | if ((stream != gdb_stdout) || !pagination_enabled |
c5aa993b | 2452 | || (lines_per_page == UINT_MAX && chars_per_line == UINT_MAX)) |
c906108c SS |
2453 | { |
2454 | fputs_unfiltered (linebuffer, stream); | |
2455 | return; | |
2456 | } | |
2457 | ||
2458 | /* Go through and output each character. Show line extension | |
2459 | when this is necessary; prompt user for new page when this is | |
2460 | necessary. */ | |
c5aa993b | 2461 | |
c906108c SS |
2462 | lineptr = linebuffer; |
2463 | while (*lineptr) | |
2464 | { | |
2465 | /* Possible new page. */ | |
2466 | if (filter && | |
2467 | (lines_printed >= lines_per_page - 1)) | |
2468 | prompt_for_continue (); | |
2469 | ||
2470 | while (*lineptr && *lineptr != '\n') | |
2471 | { | |
2472 | /* Print a single line. */ | |
2473 | if (*lineptr == '\t') | |
2474 | { | |
2475 | if (wrap_column) | |
2476 | *wrap_pointer++ = '\t'; | |
2477 | else | |
2478 | fputc_unfiltered ('\t', stream); | |
2479 | /* Shifting right by 3 produces the number of tab stops | |
2480 | we have already passed, and then adding one and | |
c5aa993b | 2481 | shifting left 3 advances to the next tab stop. */ |
c906108c SS |
2482 | chars_printed = ((chars_printed >> 3) + 1) << 3; |
2483 | lineptr++; | |
2484 | } | |
2485 | else | |
2486 | { | |
2487 | if (wrap_column) | |
2488 | *wrap_pointer++ = *lineptr; | |
2489 | else | |
c5aa993b | 2490 | fputc_unfiltered (*lineptr, stream); |
c906108c SS |
2491 | chars_printed++; |
2492 | lineptr++; | |
2493 | } | |
c5aa993b | 2494 | |
c906108c SS |
2495 | if (chars_printed >= chars_per_line) |
2496 | { | |
2497 | unsigned int save_chars = chars_printed; | |
2498 | ||
2499 | chars_printed = 0; | |
2500 | lines_printed++; | |
2501 | /* If we aren't actually wrapping, don't output newline -- | |
c5aa993b JM |
2502 | if chars_per_line is right, we probably just overflowed |
2503 | anyway; if it's wrong, let us keep going. */ | |
c906108c SS |
2504 | if (wrap_column) |
2505 | fputc_unfiltered ('\n', stream); | |
2506 | ||
2507 | /* Possible new page. */ | |
2508 | if (lines_printed >= lines_per_page - 1) | |
2509 | prompt_for_continue (); | |
2510 | ||
2511 | /* Now output indentation and wrapped string */ | |
2512 | if (wrap_column) | |
2513 | { | |
2514 | fputs_unfiltered (wrap_indent, stream); | |
c5aa993b JM |
2515 | *wrap_pointer = '\0'; /* Null-terminate saved stuff */ |
2516 | fputs_unfiltered (wrap_buffer, stream); /* and eject it */ | |
c906108c SS |
2517 | /* FIXME, this strlen is what prevents wrap_indent from |
2518 | containing tabs. However, if we recurse to print it | |
2519 | and count its chars, we risk trouble if wrap_indent is | |
2520 | longer than (the user settable) chars_per_line. | |
2521 | Note also that this can set chars_printed > chars_per_line | |
2522 | if we are printing a long string. */ | |
2523 | chars_printed = strlen (wrap_indent) | |
c5aa993b | 2524 | + (save_chars - wrap_column); |
c906108c SS |
2525 | wrap_pointer = wrap_buffer; /* Reset buffer */ |
2526 | wrap_buffer[0] = '\0'; | |
c5aa993b JM |
2527 | wrap_column = 0; /* And disable fancy wrap */ |
2528 | } | |
c906108c SS |
2529 | } |
2530 | } | |
2531 | ||
2532 | if (*lineptr == '\n') | |
2533 | { | |
2534 | chars_printed = 0; | |
c5aa993b | 2535 | wrap_here ((char *) 0); /* Spit out chars, cancel further wraps */ |
c906108c SS |
2536 | lines_printed++; |
2537 | fputc_unfiltered ('\n', stream); | |
2538 | lineptr++; | |
2539 | } | |
2540 | } | |
2541 | } | |
2542 | ||
2543 | void | |
2544 | fputs_filtered (linebuffer, stream) | |
2545 | const char *linebuffer; | |
2546 | GDB_FILE *stream; | |
2547 | { | |
2548 | fputs_maybe_filtered (linebuffer, stream, 1); | |
2549 | } | |
2550 | ||
2551 | int | |
2552 | putchar_unfiltered (c) | |
2553 | int c; | |
2554 | { | |
11cf8741 JM |
2555 | char buf = c; |
2556 | gdb_file_write (gdb_stdout, &buf, 1); | |
c906108c SS |
2557 | return c; |
2558 | } | |
2559 | ||
2560 | int | |
2561 | fputc_unfiltered (c, stream) | |
2562 | int c; | |
c5aa993b | 2563 | GDB_FILE *stream; |
c906108c | 2564 | { |
11cf8741 JM |
2565 | char buf = c; |
2566 | gdb_file_write (stream, &buf, 1); | |
c906108c SS |
2567 | return c; |
2568 | } | |
2569 | ||
2570 | int | |
2571 | fputc_filtered (c, stream) | |
2572 | int c; | |
c5aa993b | 2573 | GDB_FILE *stream; |
c906108c SS |
2574 | { |
2575 | char buf[2]; | |
2576 | ||
2577 | buf[0] = c; | |
2578 | buf[1] = 0; | |
2579 | fputs_filtered (buf, stream); | |
2580 | return c; | |
2581 | } | |
2582 | ||
2583 | /* puts_debug is like fputs_unfiltered, except it prints special | |
2584 | characters in printable fashion. */ | |
2585 | ||
2586 | void | |
2587 | puts_debug (prefix, string, suffix) | |
2588 | char *prefix; | |
2589 | char *string; | |
2590 | char *suffix; | |
2591 | { | |
2592 | int ch; | |
2593 | ||
2594 | /* Print prefix and suffix after each line. */ | |
2595 | static int new_line = 1; | |
2596 | static int return_p = 0; | |
2597 | static char *prev_prefix = ""; | |
2598 | static char *prev_suffix = ""; | |
2599 | ||
2600 | if (*string == '\n') | |
2601 | return_p = 0; | |
2602 | ||
2603 | /* If the prefix is changing, print the previous suffix, a new line, | |
2604 | and the new prefix. */ | |
c5aa993b | 2605 | if ((return_p || (strcmp (prev_prefix, prefix) != 0)) && !new_line) |
c906108c | 2606 | { |
9846de1b JM |
2607 | fputs_unfiltered (prev_suffix, gdb_stdlog); |
2608 | fputs_unfiltered ("\n", gdb_stdlog); | |
2609 | fputs_unfiltered (prefix, gdb_stdlog); | |
c906108c SS |
2610 | } |
2611 | ||
2612 | /* Print prefix if we printed a newline during the previous call. */ | |
2613 | if (new_line) | |
2614 | { | |
2615 | new_line = 0; | |
9846de1b | 2616 | fputs_unfiltered (prefix, gdb_stdlog); |
c906108c SS |
2617 | } |
2618 | ||
2619 | prev_prefix = prefix; | |
2620 | prev_suffix = suffix; | |
2621 | ||
2622 | /* Output characters in a printable format. */ | |
2623 | while ((ch = *string++) != '\0') | |
2624 | { | |
2625 | switch (ch) | |
c5aa993b | 2626 | { |
c906108c SS |
2627 | default: |
2628 | if (isprint (ch)) | |
9846de1b | 2629 | fputc_unfiltered (ch, gdb_stdlog); |
c906108c SS |
2630 | |
2631 | else | |
9846de1b | 2632 | fprintf_unfiltered (gdb_stdlog, "\\x%02x", ch & 0xff); |
c906108c SS |
2633 | break; |
2634 | ||
c5aa993b JM |
2635 | case '\\': |
2636 | fputs_unfiltered ("\\\\", gdb_stdlog); | |
2637 | break; | |
2638 | case '\b': | |
2639 | fputs_unfiltered ("\\b", gdb_stdlog); | |
2640 | break; | |
2641 | case '\f': | |
2642 | fputs_unfiltered ("\\f", gdb_stdlog); | |
2643 | break; | |
2644 | case '\n': | |
2645 | new_line = 1; | |
2646 | fputs_unfiltered ("\\n", gdb_stdlog); | |
2647 | break; | |
2648 | case '\r': | |
2649 | fputs_unfiltered ("\\r", gdb_stdlog); | |
2650 | break; | |
2651 | case '\t': | |
2652 | fputs_unfiltered ("\\t", gdb_stdlog); | |
2653 | break; | |
2654 | case '\v': | |
2655 | fputs_unfiltered ("\\v", gdb_stdlog); | |
2656 | break; | |
2657 | } | |
c906108c SS |
2658 | |
2659 | return_p = ch == '\r'; | |
2660 | } | |
2661 | ||
2662 | /* Print suffix if we printed a newline. */ | |
2663 | if (new_line) | |
2664 | { | |
9846de1b JM |
2665 | fputs_unfiltered (suffix, gdb_stdlog); |
2666 | fputs_unfiltered ("\n", gdb_stdlog); | |
c906108c SS |
2667 | } |
2668 | } | |
2669 | ||
2670 | ||
2671 | /* Print a variable number of ARGS using format FORMAT. If this | |
2672 | information is going to put the amount written (since the last call | |
2673 | to REINITIALIZE_MORE_FILTER or the last page break) over the page size, | |
2674 | call prompt_for_continue to get the users permision to continue. | |
2675 | ||
2676 | Unlike fprintf, this function does not return a value. | |
2677 | ||
2678 | We implement three variants, vfprintf (takes a vararg list and stream), | |
2679 | fprintf (takes a stream to write on), and printf (the usual). | |
2680 | ||
2681 | Note also that a longjmp to top level may occur in this routine | |
2682 | (since prompt_for_continue may do so) so this routine should not be | |
2683 | called when cleanups are not in place. */ | |
2684 | ||
2685 | static void | |
2686 | vfprintf_maybe_filtered (stream, format, args, filter) | |
2687 | GDB_FILE *stream; | |
2688 | const char *format; | |
2689 | va_list args; | |
2690 | int filter; | |
2691 | { | |
2692 | char *linebuffer; | |
2693 | struct cleanup *old_cleanups; | |
2694 | ||
2695 | vasprintf (&linebuffer, format, args); | |
2696 | if (linebuffer == NULL) | |
2697 | { | |
2698 | fputs_unfiltered ("\ngdb: virtual memory exhausted.\n", gdb_stderr); | |
2699 | exit (1); | |
2700 | } | |
2701 | old_cleanups = make_cleanup (free, linebuffer); | |
2702 | fputs_maybe_filtered (linebuffer, stream, filter); | |
2703 | do_cleanups (old_cleanups); | |
2704 | } | |
2705 | ||
2706 | ||
2707 | void | |
2708 | vfprintf_filtered (stream, format, args) | |
2709 | GDB_FILE *stream; | |
2710 | const char *format; | |
2711 | va_list args; | |
2712 | { | |
2713 | vfprintf_maybe_filtered (stream, format, args, 1); | |
2714 | } | |
2715 | ||
2716 | void | |
2717 | vfprintf_unfiltered (stream, format, args) | |
2718 | GDB_FILE *stream; | |
2719 | const char *format; | |
2720 | va_list args; | |
2721 | { | |
2722 | char *linebuffer; | |
2723 | struct cleanup *old_cleanups; | |
2724 | ||
2725 | vasprintf (&linebuffer, format, args); | |
2726 | if (linebuffer == NULL) | |
2727 | { | |
2728 | fputs_unfiltered ("\ngdb: virtual memory exhausted.\n", gdb_stderr); | |
2729 | exit (1); | |
2730 | } | |
2731 | old_cleanups = make_cleanup (free, linebuffer); | |
2732 | fputs_unfiltered (linebuffer, stream); | |
2733 | do_cleanups (old_cleanups); | |
2734 | } | |
2735 | ||
2736 | void | |
2737 | vprintf_filtered (format, args) | |
2738 | const char *format; | |
2739 | va_list args; | |
2740 | { | |
2741 | vfprintf_maybe_filtered (gdb_stdout, format, args, 1); | |
2742 | } | |
2743 | ||
2744 | void | |
2745 | vprintf_unfiltered (format, args) | |
2746 | const char *format; | |
2747 | va_list args; | |
2748 | { | |
2749 | vfprintf_unfiltered (gdb_stdout, format, args); | |
2750 | } | |
2751 | ||
c906108c | 2752 | void |
c5aa993b | 2753 | fprintf_filtered (GDB_FILE * stream, const char *format,...) |
c906108c SS |
2754 | { |
2755 | va_list args; | |
c906108c | 2756 | va_start (args, format); |
c906108c SS |
2757 | vfprintf_filtered (stream, format, args); |
2758 | va_end (args); | |
2759 | } | |
2760 | ||
c906108c | 2761 | void |
c5aa993b | 2762 | fprintf_unfiltered (GDB_FILE * stream, const char *format,...) |
c906108c SS |
2763 | { |
2764 | va_list args; | |
c906108c | 2765 | va_start (args, format); |
c906108c SS |
2766 | vfprintf_unfiltered (stream, format, args); |
2767 | va_end (args); | |
2768 | } | |
2769 | ||
2770 | /* Like fprintf_filtered, but prints its result indented. | |
2771 | Called as fprintfi_filtered (spaces, stream, format, ...); */ | |
2772 | ||
c906108c | 2773 | void |
c5aa993b | 2774 | fprintfi_filtered (int spaces, GDB_FILE * stream, const char *format,...) |
c906108c SS |
2775 | { |
2776 | va_list args; | |
c906108c | 2777 | va_start (args, format); |
c906108c SS |
2778 | print_spaces_filtered (spaces, stream); |
2779 | ||
2780 | vfprintf_filtered (stream, format, args); | |
2781 | va_end (args); | |
2782 | } | |
2783 | ||
2784 | ||
c906108c | 2785 | void |
c5aa993b | 2786 | printf_filtered (const char *format,...) |
c906108c SS |
2787 | { |
2788 | va_list args; | |
c906108c | 2789 | va_start (args, format); |
c906108c SS |
2790 | vfprintf_filtered (gdb_stdout, format, args); |
2791 | va_end (args); | |
2792 | } | |
2793 | ||
2794 | ||
c906108c | 2795 | void |
c5aa993b | 2796 | printf_unfiltered (const char *format,...) |
c906108c SS |
2797 | { |
2798 | va_list args; | |
c906108c | 2799 | va_start (args, format); |
c906108c SS |
2800 | vfprintf_unfiltered (gdb_stdout, format, args); |
2801 | va_end (args); | |
2802 | } | |
2803 | ||
2804 | /* Like printf_filtered, but prints it's result indented. | |
2805 | Called as printfi_filtered (spaces, format, ...); */ | |
2806 | ||
c906108c | 2807 | void |
c5aa993b | 2808 | printfi_filtered (int spaces, const char *format,...) |
c906108c SS |
2809 | { |
2810 | va_list args; | |
c906108c | 2811 | va_start (args, format); |
c906108c SS |
2812 | print_spaces_filtered (spaces, gdb_stdout); |
2813 | vfprintf_filtered (gdb_stdout, format, args); | |
2814 | va_end (args); | |
2815 | } | |
2816 | ||
2817 | /* Easy -- but watch out! | |
2818 | ||
2819 | This routine is *not* a replacement for puts()! puts() appends a newline. | |
2820 | This one doesn't, and had better not! */ | |
2821 | ||
2822 | void | |
2823 | puts_filtered (string) | |
2824 | const char *string; | |
2825 | { | |
2826 | fputs_filtered (string, gdb_stdout); | |
2827 | } | |
2828 | ||
2829 | void | |
2830 | puts_unfiltered (string) | |
2831 | const char *string; | |
2832 | { | |
2833 | fputs_unfiltered (string, gdb_stdout); | |
2834 | } | |
2835 | ||
2836 | /* Return a pointer to N spaces and a null. The pointer is good | |
2837 | until the next call to here. */ | |
2838 | char * | |
2839 | n_spaces (n) | |
2840 | int n; | |
2841 | { | |
392a587b JM |
2842 | char *t; |
2843 | static char *spaces = 0; | |
2844 | static int max_spaces = -1; | |
c906108c SS |
2845 | |
2846 | if (n > max_spaces) | |
2847 | { | |
2848 | if (spaces) | |
2849 | free (spaces); | |
c5aa993b JM |
2850 | spaces = (char *) xmalloc (n + 1); |
2851 | for (t = spaces + n; t != spaces;) | |
c906108c SS |
2852 | *--t = ' '; |
2853 | spaces[n] = '\0'; | |
2854 | max_spaces = n; | |
2855 | } | |
2856 | ||
2857 | return spaces + max_spaces - n; | |
2858 | } | |
2859 | ||
2860 | /* Print N spaces. */ | |
2861 | void | |
2862 | print_spaces_filtered (n, stream) | |
2863 | int n; | |
2864 | GDB_FILE *stream; | |
2865 | { | |
2866 | fputs_filtered (n_spaces (n), stream); | |
2867 | } | |
2868 | \f | |
2869 | /* C++ demangler stuff. */ | |
2870 | ||
2871 | /* fprintf_symbol_filtered attempts to demangle NAME, a symbol in language | |
2872 | LANG, using demangling args ARG_MODE, and print it filtered to STREAM. | |
2873 | If the name is not mangled, or the language for the name is unknown, or | |
2874 | demangling is off, the name is printed in its "raw" form. */ | |
2875 | ||
2876 | void | |
2877 | fprintf_symbol_filtered (stream, name, lang, arg_mode) | |
2878 | GDB_FILE *stream; | |
2879 | char *name; | |
2880 | enum language lang; | |
2881 | int arg_mode; | |
2882 | { | |
2883 | char *demangled; | |
2884 | ||
2885 | if (name != NULL) | |
2886 | { | |
2887 | /* If user wants to see raw output, no problem. */ | |
2888 | if (!demangle) | |
2889 | { | |
2890 | fputs_filtered (name, stream); | |
2891 | } | |
2892 | else | |
2893 | { | |
2894 | switch (lang) | |
2895 | { | |
2896 | case language_cplus: | |
2897 | demangled = cplus_demangle (name, arg_mode); | |
2898 | break; | |
2899 | case language_java: | |
2900 | demangled = cplus_demangle (name, arg_mode | DMGL_JAVA); | |
2901 | break; | |
2902 | case language_chill: | |
2903 | demangled = chill_demangle (name); | |
2904 | break; | |
2905 | default: | |
2906 | demangled = NULL; | |
2907 | break; | |
2908 | } | |
2909 | fputs_filtered (demangled ? demangled : name, stream); | |
2910 | if (demangled != NULL) | |
2911 | { | |
2912 | free (demangled); | |
2913 | } | |
2914 | } | |
2915 | } | |
2916 | } | |
2917 | ||
2918 | /* Do a strcmp() type operation on STRING1 and STRING2, ignoring any | |
2919 | differences in whitespace. Returns 0 if they match, non-zero if they | |
2920 | don't (slightly different than strcmp()'s range of return values). | |
c5aa993b | 2921 | |
c906108c SS |
2922 | As an extra hack, string1=="FOO(ARGS)" matches string2=="FOO". |
2923 | This "feature" is useful when searching for matching C++ function names | |
2924 | (such as if the user types 'break FOO', where FOO is a mangled C++ | |
2925 | function). */ | |
2926 | ||
2927 | int | |
2928 | strcmp_iw (string1, string2) | |
2929 | const char *string1; | |
2930 | const char *string2; | |
2931 | { | |
2932 | while ((*string1 != '\0') && (*string2 != '\0')) | |
2933 | { | |
2934 | while (isspace (*string1)) | |
2935 | { | |
2936 | string1++; | |
2937 | } | |
2938 | while (isspace (*string2)) | |
2939 | { | |
2940 | string2++; | |
2941 | } | |
2942 | if (*string1 != *string2) | |
2943 | { | |
2944 | break; | |
2945 | } | |
2946 | if (*string1 != '\0') | |
2947 | { | |
2948 | string1++; | |
2949 | string2++; | |
2950 | } | |
2951 | } | |
2952 | return (*string1 != '\0' && *string1 != '(') || (*string2 != '\0'); | |
2953 | } | |
c906108c | 2954 | \f |
c5aa993b | 2955 | |
c906108c | 2956 | /* |
c5aa993b JM |
2957 | ** subset_compare() |
2958 | ** Answer whether string_to_compare is a full or partial match to | |
2959 | ** template_string. The partial match must be in sequence starting | |
2960 | ** at index 0. | |
2961 | */ | |
c906108c | 2962 | int |
7a292a7a | 2963 | subset_compare (string_to_compare, template_string) |
c5aa993b JM |
2964 | char *string_to_compare; |
2965 | char *template_string; | |
7a292a7a SS |
2966 | { |
2967 | int match; | |
c5aa993b JM |
2968 | if (template_string != (char *) NULL && string_to_compare != (char *) NULL && |
2969 | strlen (string_to_compare) <= strlen (template_string)) | |
2970 | match = (strncmp (template_string, | |
2971 | string_to_compare, | |
2972 | strlen (string_to_compare)) == 0); | |
7a292a7a SS |
2973 | else |
2974 | match = 0; | |
2975 | return match; | |
2976 | } | |
c906108c SS |
2977 | |
2978 | ||
7a292a7a SS |
2979 | static void pagination_on_command PARAMS ((char *arg, int from_tty)); |
2980 | static void | |
2981 | pagination_on_command (arg, from_tty) | |
c5aa993b JM |
2982 | char *arg; |
2983 | int from_tty; | |
c906108c SS |
2984 | { |
2985 | pagination_enabled = 1; | |
2986 | } | |
2987 | ||
7a292a7a SS |
2988 | static void pagination_on_command PARAMS ((char *arg, int from_tty)); |
2989 | static void | |
2990 | pagination_off_command (arg, from_tty) | |
c5aa993b JM |
2991 | char *arg; |
2992 | int from_tty; | |
c906108c SS |
2993 | { |
2994 | pagination_enabled = 0; | |
2995 | } | |
c906108c | 2996 | \f |
c5aa993b | 2997 | |
c906108c SS |
2998 | void |
2999 | initialize_utils () | |
3000 | { | |
3001 | struct cmd_list_element *c; | |
3002 | ||
c5aa993b JM |
3003 | c = add_set_cmd ("width", class_support, var_uinteger, |
3004 | (char *) &chars_per_line, | |
3005 | "Set number of characters gdb thinks are in a line.", | |
3006 | &setlist); | |
c906108c SS |
3007 | add_show_from_set (c, &showlist); |
3008 | c->function.sfunc = set_width_command; | |
3009 | ||
3010 | add_show_from_set | |
3011 | (add_set_cmd ("height", class_support, | |
c5aa993b | 3012 | var_uinteger, (char *) &lines_per_page, |
c906108c SS |
3013 | "Set number of lines gdb thinks are in a page.", &setlist), |
3014 | &showlist); | |
c5aa993b | 3015 | |
c906108c SS |
3016 | init_page_info (); |
3017 | ||
3018 | /* If the output is not a terminal, don't paginate it. */ | |
3019 | if (!GDB_FILE_ISATTY (gdb_stdout)) | |
3020 | lines_per_page = UINT_MAX; | |
3021 | ||
c5aa993b | 3022 | set_width_command ((char *) NULL, 0, c); |
c906108c SS |
3023 | |
3024 | add_show_from_set | |
c5aa993b JM |
3025 | (add_set_cmd ("demangle", class_support, var_boolean, |
3026 | (char *) &demangle, | |
3027 | "Set demangling of encoded C++ names when displaying symbols.", | |
c906108c SS |
3028 | &setprintlist), |
3029 | &showprintlist); | |
3030 | ||
3031 | add_show_from_set | |
3032 | (add_set_cmd ("pagination", class_support, | |
c5aa993b | 3033 | var_boolean, (char *) &pagination_enabled, |
c906108c SS |
3034 | "Set state of pagination.", &setlist), |
3035 | &showlist); | |
3036 | if (xdb_commands) | |
3037 | { | |
c5aa993b JM |
3038 | add_com ("am", class_support, pagination_on_command, |
3039 | "Enable pagination"); | |
3040 | add_com ("sm", class_support, pagination_off_command, | |
3041 | "Disable pagination"); | |
c906108c SS |
3042 | } |
3043 | ||
3044 | add_show_from_set | |
c5aa993b JM |
3045 | (add_set_cmd ("sevenbit-strings", class_support, var_boolean, |
3046 | (char *) &sevenbit_strings, | |
3047 | "Set printing of 8-bit characters in strings as \\nnn.", | |
c906108c SS |
3048 | &setprintlist), |
3049 | &showprintlist); | |
3050 | ||
3051 | add_show_from_set | |
c5aa993b JM |
3052 | (add_set_cmd ("asm-demangle", class_support, var_boolean, |
3053 | (char *) &asm_demangle, | |
3054 | "Set demangling of C++ names in disassembly listings.", | |
c906108c SS |
3055 | &setprintlist), |
3056 | &showprintlist); | |
3057 | } | |
3058 | ||
3059 | /* Machine specific function to handle SIGWINCH signal. */ | |
3060 | ||
3061 | #ifdef SIGWINCH_HANDLER_BODY | |
c5aa993b | 3062 | SIGWINCH_HANDLER_BODY |
c906108c SS |
3063 | #endif |
3064 | \f | |
3065 | /* Support for converting target fp numbers into host DOUBLEST format. */ | |
3066 | ||
3067 | /* XXX - This code should really be in libiberty/floatformat.c, however | |
3068 | configuration issues with libiberty made this very difficult to do in the | |
3069 | available time. */ | |
3070 | ||
3071 | #include "floatformat.h" | |
3072 | #include <math.h> /* ldexp */ | |
3073 | ||
3074 | /* The odds that CHAR_BIT will be anything but 8 are low enough that I'm not | |
3075 | going to bother with trying to muck around with whether it is defined in | |
3076 | a system header, what we do if not, etc. */ | |
3077 | #define FLOATFORMAT_CHAR_BIT 8 | |
3078 | ||
3079 | static unsigned long get_field PARAMS ((unsigned char *, | |
3080 | enum floatformat_byteorders, | |
3081 | unsigned int, | |
3082 | unsigned int, | |
3083 | unsigned int)); | |
3084 | ||
3085 | /* Extract a field which starts at START and is LEN bytes long. DATA and | |
3086 | TOTAL_LEN are the thing we are extracting it from, in byteorder ORDER. */ | |
3087 | static unsigned long | |
3088 | get_field (data, order, total_len, start, len) | |
3089 | unsigned char *data; | |
3090 | enum floatformat_byteorders order; | |
3091 | unsigned int total_len; | |
3092 | unsigned int start; | |
3093 | unsigned int len; | |
3094 | { | |
3095 | unsigned long result; | |
3096 | unsigned int cur_byte; | |
3097 | int cur_bitshift; | |
3098 | ||
3099 | /* Start at the least significant part of the field. */ | |
3100 | cur_byte = (start + len) / FLOATFORMAT_CHAR_BIT; | |
3101 | if (order == floatformat_little || order == floatformat_littlebyte_bigword) | |
3102 | cur_byte = (total_len / FLOATFORMAT_CHAR_BIT) - cur_byte - 1; | |
3103 | cur_bitshift = | |
3104 | ((start + len) % FLOATFORMAT_CHAR_BIT) - FLOATFORMAT_CHAR_BIT; | |
3105 | result = *(data + cur_byte) >> (-cur_bitshift); | |
3106 | cur_bitshift += FLOATFORMAT_CHAR_BIT; | |
3107 | if (order == floatformat_little || order == floatformat_littlebyte_bigword) | |
3108 | ++cur_byte; | |
3109 | else | |
3110 | --cur_byte; | |
3111 | ||
3112 | /* Move towards the most significant part of the field. */ | |
3113 | while (cur_bitshift < len) | |
3114 | { | |
3115 | if (len - cur_bitshift < FLOATFORMAT_CHAR_BIT) | |
3116 | /* This is the last byte; zero out the bits which are not part of | |
3117 | this field. */ | |
3118 | result |= | |
3119 | (*(data + cur_byte) & ((1 << (len - cur_bitshift)) - 1)) | |
c5aa993b | 3120 | << cur_bitshift; |
c906108c SS |
3121 | else |
3122 | result |= *(data + cur_byte) << cur_bitshift; | |
3123 | cur_bitshift += FLOATFORMAT_CHAR_BIT; | |
3124 | if (order == floatformat_little || order == floatformat_littlebyte_bigword) | |
3125 | ++cur_byte; | |
3126 | else | |
3127 | --cur_byte; | |
3128 | } | |
3129 | return result; | |
3130 | } | |
c5aa993b | 3131 | |
c906108c SS |
3132 | /* Convert from FMT to a DOUBLEST. |
3133 | FROM is the address of the extended float. | |
3134 | Store the DOUBLEST in *TO. */ | |
3135 | ||
3136 | void | |
3137 | floatformat_to_doublest (fmt, from, to) | |
3138 | const struct floatformat *fmt; | |
3139 | char *from; | |
3140 | DOUBLEST *to; | |
3141 | { | |
c5aa993b | 3142 | unsigned char *ufrom = (unsigned char *) from; |
c906108c SS |
3143 | DOUBLEST dto; |
3144 | long exponent; | |
3145 | unsigned long mant; | |
3146 | unsigned int mant_bits, mant_off; | |
3147 | int mant_bits_left; | |
3148 | int special_exponent; /* It's a NaN, denorm or zero */ | |
3149 | ||
3150 | /* If the mantissa bits are not contiguous from one end of the | |
3151 | mantissa to the other, we need to make a private copy of the | |
3152 | source bytes that is in the right order since the unpacking | |
3153 | algorithm assumes that the bits are contiguous. | |
3154 | ||
3155 | Swap the bytes individually rather than accessing them through | |
3156 | "long *" since we have no guarantee that they start on a long | |
3157 | alignment, and also sizeof(long) for the host could be different | |
3158 | than sizeof(long) for the target. FIXME: Assumes sizeof(long) | |
3159 | for the target is 4. */ | |
3160 | ||
c5aa993b | 3161 | if (fmt->byteorder == floatformat_littlebyte_bigword) |
c906108c SS |
3162 | { |
3163 | static unsigned char *newfrom; | |
3164 | unsigned char *swapin, *swapout; | |
3165 | int longswaps; | |
3166 | ||
c5aa993b | 3167 | longswaps = fmt->totalsize / FLOATFORMAT_CHAR_BIT; |
c906108c | 3168 | longswaps >>= 3; |
c5aa993b | 3169 | |
c906108c SS |
3170 | if (newfrom == NULL) |
3171 | { | |
c5aa993b | 3172 | newfrom = (unsigned char *) xmalloc (fmt->totalsize); |
c906108c SS |
3173 | } |
3174 | swapout = newfrom; | |
3175 | swapin = ufrom; | |
3176 | ufrom = newfrom; | |
3177 | while (longswaps-- > 0) | |
3178 | { | |
3179 | /* This is ugly, but efficient */ | |
3180 | *swapout++ = swapin[4]; | |
3181 | *swapout++ = swapin[5]; | |
3182 | *swapout++ = swapin[6]; | |
3183 | *swapout++ = swapin[7]; | |
3184 | *swapout++ = swapin[0]; | |
3185 | *swapout++ = swapin[1]; | |
3186 | *swapout++ = swapin[2]; | |
3187 | *swapout++ = swapin[3]; | |
3188 | swapin += 8; | |
3189 | } | |
3190 | } | |
3191 | ||
3192 | exponent = get_field (ufrom, fmt->byteorder, fmt->totalsize, | |
3193 | fmt->exp_start, fmt->exp_len); | |
3194 | /* Note that if exponent indicates a NaN, we can't really do anything useful | |
3195 | (not knowing if the host has NaN's, or how to build one). So it will | |
3196 | end up as an infinity or something close; that is OK. */ | |
3197 | ||
3198 | mant_bits_left = fmt->man_len; | |
3199 | mant_off = fmt->man_start; | |
3200 | dto = 0.0; | |
3201 | ||
3202 | special_exponent = exponent == 0 || exponent == fmt->exp_nan; | |
3203 | ||
11cf8741 JM |
3204 | /* Don't bias NaNs. Use minimum exponent for denorms. For simplicity, |
3205 | we don't check for zero as the exponent doesn't matter. */ | |
c906108c SS |
3206 | if (!special_exponent) |
3207 | exponent -= fmt->exp_bias; | |
11cf8741 JM |
3208 | else if (exponent == 0) |
3209 | exponent = 1 - fmt->exp_bias; | |
c906108c SS |
3210 | |
3211 | /* Build the result algebraically. Might go infinite, underflow, etc; | |
3212 | who cares. */ | |
3213 | ||
3214 | /* If this format uses a hidden bit, explicitly add it in now. Otherwise, | |
3215 | increment the exponent by one to account for the integer bit. */ | |
3216 | ||
3217 | if (!special_exponent) | |
7a292a7a SS |
3218 | { |
3219 | if (fmt->intbit == floatformat_intbit_no) | |
3220 | dto = ldexp (1.0, exponent); | |
3221 | else | |
3222 | exponent++; | |
3223 | } | |
c906108c SS |
3224 | |
3225 | while (mant_bits_left > 0) | |
3226 | { | |
3227 | mant_bits = min (mant_bits_left, 32); | |
3228 | ||
3229 | mant = get_field (ufrom, fmt->byteorder, fmt->totalsize, | |
c5aa993b | 3230 | mant_off, mant_bits); |
c906108c | 3231 | |
c5aa993b | 3232 | dto += ldexp ((double) mant, exponent - mant_bits); |
c906108c SS |
3233 | exponent -= mant_bits; |
3234 | mant_off += mant_bits; | |
3235 | mant_bits_left -= mant_bits; | |
3236 | } | |
3237 | ||
3238 | /* Negate it if negative. */ | |
3239 | if (get_field (ufrom, fmt->byteorder, fmt->totalsize, fmt->sign_start, 1)) | |
3240 | dto = -dto; | |
3241 | *to = dto; | |
3242 | } | |
3243 | \f | |
3244 | static void put_field PARAMS ((unsigned char *, enum floatformat_byteorders, | |
3245 | unsigned int, | |
3246 | unsigned int, | |
3247 | unsigned int, | |
3248 | unsigned long)); | |
3249 | ||
3250 | /* Set a field which starts at START and is LEN bytes long. DATA and | |
3251 | TOTAL_LEN are the thing we are extracting it from, in byteorder ORDER. */ | |
3252 | static void | |
3253 | put_field (data, order, total_len, start, len, stuff_to_put) | |
3254 | unsigned char *data; | |
3255 | enum floatformat_byteorders order; | |
3256 | unsigned int total_len; | |
3257 | unsigned int start; | |
3258 | unsigned int len; | |
3259 | unsigned long stuff_to_put; | |
3260 | { | |
3261 | unsigned int cur_byte; | |
3262 | int cur_bitshift; | |
3263 | ||
3264 | /* Start at the least significant part of the field. */ | |
3265 | cur_byte = (start + len) / FLOATFORMAT_CHAR_BIT; | |
3266 | if (order == floatformat_little || order == floatformat_littlebyte_bigword) | |
3267 | cur_byte = (total_len / FLOATFORMAT_CHAR_BIT) - cur_byte - 1; | |
3268 | cur_bitshift = | |
3269 | ((start + len) % FLOATFORMAT_CHAR_BIT) - FLOATFORMAT_CHAR_BIT; | |
3270 | *(data + cur_byte) &= | |
3271 | ~(((1 << ((start + len) % FLOATFORMAT_CHAR_BIT)) - 1) << (-cur_bitshift)); | |
3272 | *(data + cur_byte) |= | |
3273 | (stuff_to_put & ((1 << FLOATFORMAT_CHAR_BIT) - 1)) << (-cur_bitshift); | |
3274 | cur_bitshift += FLOATFORMAT_CHAR_BIT; | |
3275 | if (order == floatformat_little || order == floatformat_littlebyte_bigword) | |
3276 | ++cur_byte; | |
3277 | else | |
3278 | --cur_byte; | |
3279 | ||
3280 | /* Move towards the most significant part of the field. */ | |
3281 | while (cur_bitshift < len) | |
3282 | { | |
3283 | if (len - cur_bitshift < FLOATFORMAT_CHAR_BIT) | |
3284 | { | |
3285 | /* This is the last byte. */ | |
3286 | *(data + cur_byte) &= | |
3287 | ~((1 << (len - cur_bitshift)) - 1); | |
3288 | *(data + cur_byte) |= (stuff_to_put >> cur_bitshift); | |
3289 | } | |
3290 | else | |
3291 | *(data + cur_byte) = ((stuff_to_put >> cur_bitshift) | |
3292 | & ((1 << FLOATFORMAT_CHAR_BIT) - 1)); | |
3293 | cur_bitshift += FLOATFORMAT_CHAR_BIT; | |
3294 | if (order == floatformat_little || order == floatformat_littlebyte_bigword) | |
3295 | ++cur_byte; | |
3296 | else | |
3297 | --cur_byte; | |
3298 | } | |
3299 | } | |
3300 | ||
3301 | #ifdef HAVE_LONG_DOUBLE | |
3302 | /* Return the fractional part of VALUE, and put the exponent of VALUE in *EPTR. | |
3303 | The range of the returned value is >= 0.5 and < 1.0. This is equivalent to | |
3304 | frexp, but operates on the long double data type. */ | |
3305 | ||
3306 | static long double ldfrexp PARAMS ((long double value, int *eptr)); | |
3307 | ||
3308 | static long double | |
3309 | ldfrexp (value, eptr) | |
3310 | long double value; | |
3311 | int *eptr; | |
3312 | { | |
3313 | long double tmp; | |
3314 | int exp; | |
3315 | ||
3316 | /* Unfortunately, there are no portable functions for extracting the exponent | |
3317 | of a long double, so we have to do it iteratively by multiplying or dividing | |
3318 | by two until the fraction is between 0.5 and 1.0. */ | |
3319 | ||
3320 | if (value < 0.0l) | |
3321 | value = -value; | |
3322 | ||
3323 | tmp = 1.0l; | |
3324 | exp = 0; | |
3325 | ||
3326 | if (value >= tmp) /* Value >= 1.0 */ | |
3327 | while (value >= tmp) | |
3328 | { | |
3329 | tmp *= 2.0l; | |
3330 | exp++; | |
3331 | } | |
3332 | else if (value != 0.0l) /* Value < 1.0 and > 0.0 */ | |
3333 | { | |
3334 | while (value < tmp) | |
3335 | { | |
3336 | tmp /= 2.0l; | |
3337 | exp--; | |
3338 | } | |
3339 | tmp *= 2.0l; | |
3340 | exp++; | |
3341 | } | |
3342 | ||
3343 | *eptr = exp; | |
c5aa993b | 3344 | return value / tmp; |
c906108c SS |
3345 | } |
3346 | #endif /* HAVE_LONG_DOUBLE */ | |
3347 | ||
3348 | ||
3349 | /* The converse: convert the DOUBLEST *FROM to an extended float | |
3350 | and store where TO points. Neither FROM nor TO have any alignment | |
3351 | restrictions. */ | |
3352 | ||
3353 | void | |
3354 | floatformat_from_doublest (fmt, from, to) | |
3355 | CONST struct floatformat *fmt; | |
3356 | DOUBLEST *from; | |
3357 | char *to; | |
3358 | { | |
3359 | DOUBLEST dfrom; | |
3360 | int exponent; | |
3361 | DOUBLEST mant; | |
3362 | unsigned int mant_bits, mant_off; | |
3363 | int mant_bits_left; | |
c5aa993b | 3364 | unsigned char *uto = (unsigned char *) to; |
c906108c SS |
3365 | |
3366 | memcpy (&dfrom, from, sizeof (dfrom)); | |
3367 | memset (uto, 0, fmt->totalsize / FLOATFORMAT_CHAR_BIT); | |
3368 | if (dfrom == 0) | |
3369 | return; /* Result is zero */ | |
3370 | if (dfrom != dfrom) /* Result is NaN */ | |
3371 | { | |
3372 | /* From is NaN */ | |
3373 | put_field (uto, fmt->byteorder, fmt->totalsize, fmt->exp_start, | |
3374 | fmt->exp_len, fmt->exp_nan); | |
3375 | /* Be sure it's not infinity, but NaN value is irrel */ | |
3376 | put_field (uto, fmt->byteorder, fmt->totalsize, fmt->man_start, | |
3377 | 32, 1); | |
3378 | return; | |
3379 | } | |
3380 | ||
3381 | /* If negative, set the sign bit. */ | |
3382 | if (dfrom < 0) | |
3383 | { | |
3384 | put_field (uto, fmt->byteorder, fmt->totalsize, fmt->sign_start, 1, 1); | |
3385 | dfrom = -dfrom; | |
3386 | } | |
3387 | ||
3388 | if (dfrom + dfrom == dfrom && dfrom != 0.0) /* Result is Infinity */ | |
3389 | { | |
3390 | /* Infinity exponent is same as NaN's. */ | |
3391 | put_field (uto, fmt->byteorder, fmt->totalsize, fmt->exp_start, | |
3392 | fmt->exp_len, fmt->exp_nan); | |
3393 | /* Infinity mantissa is all zeroes. */ | |
3394 | put_field (uto, fmt->byteorder, fmt->totalsize, fmt->man_start, | |
3395 | fmt->man_len, 0); | |
3396 | return; | |
3397 | } | |
3398 | ||
3399 | #ifdef HAVE_LONG_DOUBLE | |
3400 | mant = ldfrexp (dfrom, &exponent); | |
3401 | #else | |
3402 | mant = frexp (dfrom, &exponent); | |
3403 | #endif | |
3404 | ||
3405 | put_field (uto, fmt->byteorder, fmt->totalsize, fmt->exp_start, fmt->exp_len, | |
3406 | exponent + fmt->exp_bias - 1); | |
3407 | ||
3408 | mant_bits_left = fmt->man_len; | |
3409 | mant_off = fmt->man_start; | |
3410 | while (mant_bits_left > 0) | |
3411 | { | |
3412 | unsigned long mant_long; | |
3413 | mant_bits = mant_bits_left < 32 ? mant_bits_left : 32; | |
3414 | ||
3415 | mant *= 4294967296.0; | |
c5aa993b | 3416 | mant_long = (unsigned long) mant; |
c906108c SS |
3417 | mant -= mant_long; |
3418 | ||
3419 | /* If the integer bit is implicit, then we need to discard it. | |
c5aa993b JM |
3420 | If we are discarding a zero, we should be (but are not) creating |
3421 | a denormalized number which means adjusting the exponent | |
3422 | (I think). */ | |
c906108c SS |
3423 | if (mant_bits_left == fmt->man_len |
3424 | && fmt->intbit == floatformat_intbit_no) | |
3425 | { | |
3426 | mant_long <<= 1; | |
3427 | mant_bits -= 1; | |
3428 | } | |
3429 | ||
3430 | if (mant_bits < 32) | |
3431 | { | |
3432 | /* The bits we want are in the most significant MANT_BITS bits of | |
3433 | mant_long. Move them to the least significant. */ | |
3434 | mant_long >>= 32 - mant_bits; | |
3435 | } | |
3436 | ||
3437 | put_field (uto, fmt->byteorder, fmt->totalsize, | |
3438 | mant_off, mant_bits, mant_long); | |
3439 | mant_off += mant_bits; | |
3440 | mant_bits_left -= mant_bits; | |
3441 | } | |
c5aa993b | 3442 | if (fmt->byteorder == floatformat_littlebyte_bigword) |
c906108c SS |
3443 | { |
3444 | int count; | |
3445 | unsigned char *swaplow = uto; | |
3446 | unsigned char *swaphigh = uto + 4; | |
3447 | unsigned char tmp; | |
3448 | ||
3449 | for (count = 0; count < 4; count++) | |
3450 | { | |
3451 | tmp = *swaplow; | |
3452 | *swaplow++ = *swaphigh; | |
3453 | *swaphigh++ = tmp; | |
3454 | } | |
3455 | } | |
3456 | } | |
3457 | ||
3458 | /* temporary storage using circular buffer */ | |
3459 | #define NUMCELLS 16 | |
3460 | #define CELLSIZE 32 | |
c5aa993b JM |
3461 | static char * |
3462 | get_cell () | |
c906108c SS |
3463 | { |
3464 | static char buf[NUMCELLS][CELLSIZE]; | |
c5aa993b JM |
3465 | static int cell = 0; |
3466 | if (++cell >= NUMCELLS) | |
3467 | cell = 0; | |
c906108c SS |
3468 | return buf[cell]; |
3469 | } | |
3470 | ||
3471 | /* print routines to handle variable size regs, etc. | |
3472 | ||
3473 | FIXME: Note that t_addr is a bfd_vma, which is currently either an | |
3474 | unsigned long or unsigned long long, determined at configure time. | |
3475 | If t_addr is an unsigned long long and sizeof (unsigned long long) | |
3476 | is greater than sizeof (unsigned long), then I believe this code will | |
3477 | probably lose, at least for little endian machines. I believe that | |
3478 | it would also be better to eliminate the switch on the absolute size | |
3479 | of t_addr and replace it with a sequence of if statements that compare | |
3480 | sizeof t_addr with sizeof the various types and do the right thing, | |
3481 | which includes knowing whether or not the host supports long long. | |
3482 | -fnf | |
3483 | ||
3484 | */ | |
3485 | ||
d4f3574e SS |
3486 | int |
3487 | strlen_paddr (void) | |
3488 | { | |
3489 | return (TARGET_PTR_BIT / 8 * 2); | |
3490 | } | |
3491 | ||
3492 | ||
104c1213 JM |
3493 | /* eliminate warning from compiler on 32-bit systems */ |
3494 | static int thirty_two = 32; | |
c906108c | 3495 | |
c5aa993b | 3496 | char * |
104c1213 | 3497 | paddr (CORE_ADDR addr) |
c906108c | 3498 | { |
c5aa993b | 3499 | char *paddr_str = get_cell (); |
104c1213 | 3500 | switch (TARGET_PTR_BIT / 8) |
c906108c | 3501 | { |
c5aa993b JM |
3502 | case 8: |
3503 | sprintf (paddr_str, "%08lx%08lx", | |
3504 | (unsigned long) (addr >> thirty_two), (unsigned long) (addr & 0xffffffff)); | |
3505 | break; | |
3506 | case 4: | |
3507 | sprintf (paddr_str, "%08lx", (unsigned long) addr); | |
3508 | break; | |
3509 | case 2: | |
3510 | sprintf (paddr_str, "%04x", (unsigned short) (addr & 0xffff)); | |
3511 | break; | |
3512 | default: | |
3513 | sprintf (paddr_str, "%lx", (unsigned long) addr); | |
c906108c SS |
3514 | } |
3515 | return paddr_str; | |
3516 | } | |
3517 | ||
c5aa993b | 3518 | char * |
104c1213 | 3519 | paddr_nz (CORE_ADDR addr) |
c906108c | 3520 | { |
c5aa993b | 3521 | char *paddr_str = get_cell (); |
104c1213 | 3522 | switch (TARGET_PTR_BIT / 8) |
c906108c | 3523 | { |
c5aa993b JM |
3524 | case 8: |
3525 | { | |
3526 | unsigned long high = (unsigned long) (addr >> thirty_two); | |
3527 | if (high == 0) | |
3528 | sprintf (paddr_str, "%lx", (unsigned long) (addr & 0xffffffff)); | |
3529 | else | |
3530 | sprintf (paddr_str, "%lx%08lx", | |
3531 | high, (unsigned long) (addr & 0xffffffff)); | |
c906108c | 3532 | break; |
c5aa993b JM |
3533 | } |
3534 | case 4: | |
3535 | sprintf (paddr_str, "%lx", (unsigned long) addr); | |
3536 | break; | |
3537 | case 2: | |
3538 | sprintf (paddr_str, "%x", (unsigned short) (addr & 0xffff)); | |
3539 | break; | |
3540 | default: | |
3541 | sprintf (paddr_str, "%lx", (unsigned long) addr); | |
c906108c SS |
3542 | } |
3543 | return paddr_str; | |
3544 | } | |
3545 | ||
104c1213 JM |
3546 | static void |
3547 | decimal2str (char *paddr_str, char *sign, ULONGEST addr) | |
3548 | { | |
3549 | /* steal code from valprint.c:print_decimal(). Should this worry | |
3550 | about the real size of addr as the above does? */ | |
3551 | unsigned long temp[3]; | |
3552 | int i = 0; | |
3553 | do | |
3554 | { | |
3555 | temp[i] = addr % (1000 * 1000 * 1000); | |
3556 | addr /= (1000 * 1000 * 1000); | |
3557 | i++; | |
3558 | } | |
3559 | while (addr != 0 && i < (sizeof (temp) / sizeof (temp[0]))); | |
3560 | switch (i) | |
3561 | { | |
3562 | case 1: | |
3563 | sprintf (paddr_str, "%s%lu", | |
3564 | sign, temp[0]); | |
3565 | break; | |
3566 | case 2: | |
3567 | sprintf (paddr_str, "%s%lu%09lu", | |
3568 | sign, temp[1], temp[0]); | |
3569 | break; | |
3570 | case 3: | |
3571 | sprintf (paddr_str, "%s%lu%09lu%09lu", | |
3572 | sign, temp[2], temp[1], temp[0]); | |
3573 | break; | |
3574 | default: | |
3575 | abort (); | |
3576 | } | |
3577 | } | |
3578 | ||
3579 | char * | |
3580 | paddr_u (CORE_ADDR addr) | |
3581 | { | |
3582 | char *paddr_str = get_cell (); | |
3583 | decimal2str (paddr_str, "", addr); | |
3584 | return paddr_str; | |
3585 | } | |
3586 | ||
3587 | char * | |
3588 | paddr_d (LONGEST addr) | |
3589 | { | |
3590 | char *paddr_str = get_cell (); | |
3591 | if (addr < 0) | |
3592 | decimal2str (paddr_str, "-", -addr); | |
3593 | else | |
3594 | decimal2str (paddr_str, "", addr); | |
3595 | return paddr_str; | |
3596 | } | |
3597 | ||
3598 | char * | |
3599 | preg (reg) | |
3600 | t_reg reg; | |
3601 | { | |
3602 | char *preg_str = get_cell (); | |
3603 | switch (sizeof (t_reg)) | |
3604 | { | |
3605 | case 8: | |
3606 | sprintf (preg_str, "%08lx%08lx", | |
3607 | (unsigned long) (reg >> thirty_two), (unsigned long) (reg & 0xffffffff)); | |
3608 | break; | |
3609 | case 4: | |
3610 | sprintf (preg_str, "%08lx", (unsigned long) reg); | |
3611 | break; | |
3612 | case 2: | |
3613 | sprintf (preg_str, "%04x", (unsigned short) (reg & 0xffff)); | |
3614 | break; | |
3615 | default: | |
3616 | sprintf (preg_str, "%lx", (unsigned long) reg); | |
3617 | } | |
3618 | return preg_str; | |
3619 | } | |
3620 | ||
c5aa993b JM |
3621 | char * |
3622 | preg_nz (reg) | |
3623 | t_reg reg; | |
c906108c | 3624 | { |
c5aa993b JM |
3625 | char *preg_str = get_cell (); |
3626 | switch (sizeof (t_reg)) | |
c906108c | 3627 | { |
c5aa993b JM |
3628 | case 8: |
3629 | { | |
3630 | unsigned long high = (unsigned long) (reg >> thirty_two); | |
3631 | if (high == 0) | |
3632 | sprintf (preg_str, "%lx", (unsigned long) (reg & 0xffffffff)); | |
3633 | else | |
3634 | sprintf (preg_str, "%lx%08lx", | |
3635 | high, (unsigned long) (reg & 0xffffffff)); | |
c906108c | 3636 | break; |
c5aa993b JM |
3637 | } |
3638 | case 4: | |
3639 | sprintf (preg_str, "%lx", (unsigned long) reg); | |
3640 | break; | |
3641 | case 2: | |
3642 | sprintf (preg_str, "%x", (unsigned short) (reg & 0xffff)); | |
3643 | break; | |
3644 | default: | |
3645 | sprintf (preg_str, "%lx", (unsigned long) reg); | |
c906108c SS |
3646 | } |
3647 | return preg_str; | |
3648 | } | |
392a587b JM |
3649 | |
3650 | /* Helper functions for INNER_THAN */ | |
3651 | int | |
3652 | core_addr_lessthan (lhs, rhs) | |
3653 | CORE_ADDR lhs; | |
3654 | CORE_ADDR rhs; | |
3655 | { | |
3656 | return (lhs < rhs); | |
3657 | } | |
3658 | ||
3659 | int | |
3660 | core_addr_greaterthan (lhs, rhs) | |
3661 | CORE_ADDR lhs; | |
3662 | CORE_ADDR rhs; | |
3663 | { | |
3664 | return (lhs > rhs); | |
3665 | } |