Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Generic serial interface routines |
4fcf66da | 2 | |
b6ba6518 KB |
3 | Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001 |
4 | Free Software Foundation, Inc. | |
c906108c | 5 | |
c5aa993b | 6 | This file is part of GDB. |
c906108c | 7 | |
c5aa993b JM |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
c906108c | 12 | |
c5aa993b JM |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
c906108c | 17 | |
c5aa993b JM |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 59 Temple Place - Suite 330, | |
21 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
22 | |
23 | #include "defs.h" | |
24 | #include <ctype.h> | |
25 | #include "serial.h" | |
26 | #include "gdb_string.h" | |
27 | #include "gdbcmd.h" | |
28 | ||
c2c6d25f | 29 | extern void _initialize_serial (void); |
392a587b | 30 | |
2acceee2 JM |
31 | /* Is serial being debugged? */ |
32 | ||
33 | static int global_serial_debug_p; | |
34 | ||
c906108c SS |
35 | /* Linked list of serial I/O handlers */ |
36 | ||
37 | static struct serial_ops *serial_ops_list = NULL; | |
38 | ||
39 | /* This is the last serial stream opened. Used by connect command. */ | |
40 | ||
819cc324 | 41 | static struct serial *last_serial_opened = NULL; |
c906108c SS |
42 | |
43 | /* Pointer to list of scb's. */ | |
44 | ||
819cc324 | 45 | static struct serial *scb_base; |
c906108c SS |
46 | |
47 | /* Non-NULL gives filename which contains a recording of the remote session, | |
48 | suitable for playback by gdbserver. */ | |
49 | ||
50 | static char *serial_logfile = NULL; | |
d9fcf2fb | 51 | static struct ui_file *serial_logfp = NULL; |
c906108c | 52 | |
c2c6d25f | 53 | static struct serial_ops *serial_interface_lookup (char *); |
d9fcf2fb | 54 | static void serial_logchar (struct ui_file *stream, int ch_type, int ch, int timeout); |
53904c9e AC |
55 | static const char logbase_hex[] = "hex"; |
56 | static const char logbase_octal[] = "octal"; | |
57 | static const char logbase_ascii[] = "ascii"; | |
58 | static const char *logbase_enums[] = | |
c5aa993b | 59 | {logbase_hex, logbase_octal, logbase_ascii, NULL}; |
53904c9e | 60 | static const char *serial_logbase = logbase_ascii; |
65e2f740 AC |
61 | |
62 | #undef XMALLOC | |
63 | #define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE))) | |
c906108c | 64 | \f |
c5aa993b | 65 | |
c906108c SS |
66 | static int serial_current_type = 0; |
67 | ||
68 | /* Log char CH of type CHTYPE, with TIMEOUT */ | |
69 | ||
70 | /* Define bogus char to represent a BREAK. Should be careful to choose a value | |
71 | that can't be confused with a normal char, or an error code. */ | |
72 | #define SERIAL_BREAK 1235 | |
73 | ||
74 | static void | |
d9fcf2fb | 75 | serial_logchar (struct ui_file *stream, int ch_type, int ch, int timeout) |
c906108c SS |
76 | { |
77 | if (ch_type != serial_current_type) | |
78 | { | |
2acceee2 | 79 | fprintf_unfiltered (stream, "\n%c ", ch_type); |
c906108c SS |
80 | serial_current_type = ch_type; |
81 | } | |
82 | ||
83 | if (serial_logbase != logbase_ascii) | |
2acceee2 | 84 | fputc_unfiltered (' ', stream); |
c906108c SS |
85 | |
86 | switch (ch) | |
87 | { | |
88 | case SERIAL_TIMEOUT: | |
2acceee2 | 89 | fprintf_unfiltered (stream, "<Timeout: %d seconds>", timeout); |
c906108c SS |
90 | return; |
91 | case SERIAL_ERROR: | |
2acceee2 | 92 | fprintf_unfiltered (stream, "<Error: %s>", safe_strerror (errno)); |
c906108c SS |
93 | return; |
94 | case SERIAL_EOF: | |
2acceee2 | 95 | fputs_unfiltered ("<Eof>", stream); |
c906108c SS |
96 | return; |
97 | case SERIAL_BREAK: | |
2acceee2 | 98 | fputs_unfiltered ("<Break>", stream); |
c906108c SS |
99 | return; |
100 | default: | |
101 | if (serial_logbase == logbase_hex) | |
2acceee2 | 102 | fprintf_unfiltered (stream, "%02x", ch & 0xff); |
c906108c | 103 | else if (serial_logbase == logbase_octal) |
2acceee2 | 104 | fprintf_unfiltered (stream, "%03o", ch & 0xff); |
c906108c SS |
105 | else |
106 | switch (ch) | |
107 | { | |
c5aa993b | 108 | case '\\': |
2acceee2 | 109 | fputs_unfiltered ("\\\\", stream); |
c5aa993b JM |
110 | break; |
111 | case '\b': | |
2acceee2 | 112 | fputs_unfiltered ("\\b", stream); |
c5aa993b JM |
113 | break; |
114 | case '\f': | |
2acceee2 | 115 | fputs_unfiltered ("\\f", stream); |
c5aa993b JM |
116 | break; |
117 | case '\n': | |
2acceee2 | 118 | fputs_unfiltered ("\\n", stream); |
c5aa993b JM |
119 | break; |
120 | case '\r': | |
2acceee2 | 121 | fputs_unfiltered ("\\r", stream); |
c5aa993b JM |
122 | break; |
123 | case '\t': | |
2acceee2 | 124 | fputs_unfiltered ("\\t", stream); |
c5aa993b JM |
125 | break; |
126 | case '\v': | |
2acceee2 | 127 | fputs_unfiltered ("\\v", stream); |
c5aa993b JM |
128 | break; |
129 | default: | |
2acceee2 | 130 | fprintf_unfiltered (stream, isprint (ch) ? "%c" : "\\x%02x", ch & 0xFF); |
c5aa993b | 131 | break; |
c906108c SS |
132 | } |
133 | } | |
134 | } | |
135 | ||
136 | void | |
c2c6d25f | 137 | serial_log_command (const char *cmd) |
c906108c SS |
138 | { |
139 | if (!serial_logfp) | |
140 | return; | |
141 | ||
142 | serial_current_type = 'c'; | |
143 | ||
144 | fputs_unfiltered ("\nc ", serial_logfp); | |
145 | fputs_unfiltered (cmd, serial_logfp); | |
146 | ||
147 | /* Make sure that the log file is as up-to-date as possible, | |
148 | in case we are getting ready to dump core or something. */ | |
149 | gdb_flush (serial_logfp); | |
150 | } | |
151 | ||
c2c6d25f | 152 | \f |
c906108c | 153 | static struct serial_ops * |
c2c6d25f | 154 | serial_interface_lookup (char *name) |
c906108c SS |
155 | { |
156 | struct serial_ops *ops; | |
157 | ||
158 | for (ops = serial_ops_list; ops; ops = ops->next) | |
159 | if (strcmp (name, ops->name) == 0) | |
160 | return ops; | |
161 | ||
162 | return NULL; | |
163 | } | |
164 | ||
165 | void | |
c2c6d25f | 166 | serial_add_interface (struct serial_ops *optable) |
c906108c SS |
167 | { |
168 | optable->next = serial_ops_list; | |
169 | serial_ops_list = optable; | |
170 | } | |
171 | ||
172 | /* Open up a device or a network socket, depending upon the syntax of NAME. */ | |
173 | ||
819cc324 | 174 | struct serial * |
c2c6d25f | 175 | serial_open (const char *name) |
c906108c | 176 | { |
819cc324 | 177 | struct serial *scb; |
c906108c | 178 | struct serial_ops *ops; |
c2c6d25f | 179 | const char *open_name = name; |
c906108c SS |
180 | |
181 | for (scb = scb_base; scb; scb = scb->next) | |
182 | if (scb->name && strcmp (scb->name, name) == 0) | |
183 | { | |
184 | scb->refcnt++; | |
185 | return scb; | |
186 | } | |
187 | ||
188 | if (strcmp (name, "ocd") == 0) | |
189 | ops = serial_interface_lookup ("ocd"); | |
190 | else if (strcmp (name, "pc") == 0) | |
191 | ops = serial_interface_lookup ("pc"); | |
192 | else if (strchr (name, ':')) | |
193 | ops = serial_interface_lookup ("tcp"); | |
194 | else if (strncmp (name, "lpt", 3) == 0) | |
195 | ops = serial_interface_lookup ("parallel"); | |
43e526b9 | 196 | else if (strncmp (name, "|", 1) == 0) |
c2c6d25f JM |
197 | { |
198 | ops = serial_interface_lookup ("pipe"); | |
199 | open_name = name + 1; /* discard ``|'' */ | |
200 | } | |
c906108c SS |
201 | else |
202 | ops = serial_interface_lookup ("hardwire"); | |
203 | ||
204 | if (!ops) | |
205 | return NULL; | |
206 | ||
65e2f740 | 207 | scb = XMALLOC (struct serial); |
c906108c SS |
208 | |
209 | scb->ops = ops; | |
210 | ||
211 | scb->bufcnt = 0; | |
212 | scb->bufp = scb->buf; | |
213 | ||
c2c6d25f | 214 | if (scb->ops->open (scb, open_name)) |
c906108c | 215 | { |
b8c9b27d | 216 | xfree (scb); |
c906108c SS |
217 | return NULL; |
218 | } | |
219 | ||
4fcf66da | 220 | scb->name = xstrdup (name); |
c906108c SS |
221 | scb->next = scb_base; |
222 | scb->refcnt = 1; | |
2acceee2 JM |
223 | scb->debug_p = 0; |
224 | scb->async_state = 0; | |
c2c6d25f JM |
225 | scb->async_handler = NULL; |
226 | scb->async_context = NULL; | |
c906108c SS |
227 | scb_base = scb; |
228 | ||
229 | last_serial_opened = scb; | |
230 | ||
231 | if (serial_logfile != NULL) | |
232 | { | |
233 | serial_logfp = gdb_fopen (serial_logfile, "w"); | |
234 | if (serial_logfp == NULL) | |
235 | perror_with_name (serial_logfile); | |
236 | } | |
237 | ||
238 | return scb; | |
239 | } | |
240 | ||
819cc324 | 241 | struct serial * |
c2c6d25f | 242 | serial_fdopen (const int fd) |
c906108c | 243 | { |
819cc324 | 244 | struct serial *scb; |
c906108c SS |
245 | struct serial_ops *ops; |
246 | ||
247 | for (scb = scb_base; scb; scb = scb->next) | |
248 | if (scb->fd == fd) | |
249 | { | |
250 | scb->refcnt++; | |
251 | return scb; | |
252 | } | |
253 | ||
254 | ops = serial_interface_lookup ("hardwire"); | |
255 | ||
256 | if (!ops) | |
257 | return NULL; | |
258 | ||
65e2f740 | 259 | scb = XMALLOC (struct serial); |
c906108c SS |
260 | |
261 | scb->ops = ops; | |
262 | ||
263 | scb->bufcnt = 0; | |
264 | scb->bufp = scb->buf; | |
265 | ||
266 | scb->fd = fd; | |
267 | ||
268 | scb->name = NULL; | |
269 | scb->next = scb_base; | |
270 | scb->refcnt = 1; | |
2acceee2 JM |
271 | scb->debug_p = 0; |
272 | scb->async_state = 0; | |
c2c6d25f JM |
273 | scb->async_handler = NULL; |
274 | scb->async_context = NULL; | |
c906108c SS |
275 | scb_base = scb; |
276 | ||
277 | last_serial_opened = scb; | |
278 | ||
279 | return scb; | |
280 | } | |
281 | ||
c2c6d25f | 282 | static void |
819cc324 | 283 | do_serial_close (struct serial *scb, int really_close) |
c906108c | 284 | { |
819cc324 | 285 | struct serial *tmp_scb; |
c906108c SS |
286 | |
287 | last_serial_opened = NULL; | |
288 | ||
289 | if (serial_logfp) | |
290 | { | |
291 | fputs_unfiltered ("\nEnd of log\n", serial_logfp); | |
292 | serial_current_type = 0; | |
293 | ||
294 | /* XXX - What if serial_logfp == gdb_stdout or gdb_stderr? */ | |
d9fcf2fb | 295 | ui_file_delete (serial_logfp); |
c906108c SS |
296 | serial_logfp = NULL; |
297 | } | |
298 | ||
299 | /* This is bogus. It's not our fault if you pass us a bad scb...! Rob, you | |
300 | should fix your code instead. */ | |
301 | ||
302 | if (!scb) | |
303 | return; | |
304 | ||
305 | scb->refcnt--; | |
306 | if (scb->refcnt > 0) | |
307 | return; | |
308 | ||
c2c6d25f JM |
309 | /* ensure that the FD has been taken out of async mode */ |
310 | if (scb->async_handler != NULL) | |
311 | serial_async (scb, NULL, NULL); | |
312 | ||
c906108c SS |
313 | if (really_close) |
314 | scb->ops->close (scb); | |
315 | ||
316 | if (scb->name) | |
b8c9b27d | 317 | xfree (scb->name); |
c906108c SS |
318 | |
319 | if (scb_base == scb) | |
320 | scb_base = scb_base->next; | |
321 | else | |
322 | for (tmp_scb = scb_base; tmp_scb; tmp_scb = tmp_scb->next) | |
323 | { | |
324 | if (tmp_scb->next != scb) | |
325 | continue; | |
326 | ||
327 | tmp_scb->next = tmp_scb->next->next; | |
328 | break; | |
329 | } | |
330 | ||
b8c9b27d | 331 | xfree (scb); |
c906108c SS |
332 | } |
333 | ||
c2c6d25f | 334 | void |
819cc324 | 335 | serial_close (struct serial *scb) |
c2c6d25f JM |
336 | { |
337 | do_serial_close (scb, 1); | |
338 | } | |
339 | ||
340 | void | |
819cc324 | 341 | serial_un_fdopen (struct serial *scb) |
c2c6d25f JM |
342 | { |
343 | do_serial_close (scb, 0); | |
344 | } | |
345 | ||
346 | int | |
819cc324 | 347 | serial_readchar (struct serial *scb, int timeout) |
c2c6d25f JM |
348 | { |
349 | int ch; | |
350 | ||
2df3850c JM |
351 | /* FIXME: cagney/1999-10-11: Don't enable this check until the ASYNC |
352 | code is finished. */ | |
2cd58942 | 353 | if (0 && serial_is_async_p (scb) && timeout < 0) |
8e65ff28 AC |
354 | internal_error (__FILE__, __LINE__, |
355 | "serial_readchar: blocking read in async mode"); | |
2df3850c | 356 | |
c2c6d25f JM |
357 | ch = scb->ops->readchar (scb, timeout); |
358 | if (serial_logfp != NULL) | |
359 | { | |
2acceee2 | 360 | serial_logchar (serial_logfp, 'r', ch, timeout); |
c2c6d25f JM |
361 | |
362 | /* Make sure that the log file is as up-to-date as possible, | |
363 | in case we are getting ready to dump core or something. */ | |
364 | gdb_flush (serial_logfp); | |
365 | } | |
2cd58942 | 366 | if (serial_debug_p (scb)) |
2acceee2 JM |
367 | { |
368 | fprintf_unfiltered (gdb_stdlog, "["); | |
369 | serial_logchar (gdb_stdlog, 'r', ch, timeout); | |
370 | fprintf_unfiltered (gdb_stdlog, "]"); | |
371 | gdb_flush (gdb_stdlog); | |
372 | } | |
c2c6d25f JM |
373 | |
374 | return (ch); | |
375 | } | |
376 | ||
377 | int | |
819cc324 | 378 | serial_write (struct serial *scb, const char *str, int len) |
c2c6d25f JM |
379 | { |
380 | if (serial_logfp != NULL) | |
381 | { | |
382 | int count; | |
383 | ||
384 | for (count = 0; count < len; count++) | |
2acceee2 | 385 | serial_logchar (serial_logfp, 'w', str[count] & 0xff, 0); |
c2c6d25f JM |
386 | |
387 | /* Make sure that the log file is as up-to-date as possible, | |
388 | in case we are getting ready to dump core or something. */ | |
389 | gdb_flush (serial_logfp); | |
390 | } | |
391 | ||
392 | return (scb->ops->write (scb, str, len)); | |
393 | } | |
394 | ||
395 | void | |
819cc324 | 396 | serial_printf (struct serial *desc, const char *format,...) |
c2c6d25f JM |
397 | { |
398 | va_list args; | |
399 | char *buf; | |
400 | va_start (args, format); | |
401 | ||
12859c09 | 402 | xvasprintf (&buf, format, args); |
2cd58942 | 403 | serial_write (desc, buf, strlen (buf)); |
c2c6d25f | 404 | |
b8c9b27d | 405 | xfree (buf); |
c2c6d25f JM |
406 | va_end (args); |
407 | } | |
408 | ||
409 | int | |
819cc324 | 410 | serial_drain_output (struct serial *scb) |
c2c6d25f JM |
411 | { |
412 | return scb->ops->drain_output (scb); | |
413 | } | |
414 | ||
415 | int | |
819cc324 | 416 | serial_flush_output (struct serial *scb) |
c2c6d25f JM |
417 | { |
418 | return scb->ops->flush_output (scb); | |
419 | } | |
420 | ||
421 | int | |
819cc324 | 422 | serial_flush_input (struct serial *scb) |
c2c6d25f JM |
423 | { |
424 | return scb->ops->flush_input (scb); | |
425 | } | |
426 | ||
427 | int | |
819cc324 | 428 | serial_send_break (struct serial *scb) |
c2c6d25f JM |
429 | { |
430 | if (serial_logfp != NULL) | |
2acceee2 | 431 | serial_logchar (serial_logfp, 'w', SERIAL_BREAK, 0); |
c2c6d25f JM |
432 | |
433 | return (scb->ops->send_break (scb)); | |
434 | } | |
435 | ||
436 | void | |
819cc324 | 437 | serial_raw (struct serial *scb) |
c2c6d25f JM |
438 | { |
439 | scb->ops->go_raw (scb); | |
440 | } | |
441 | ||
442 | serial_ttystate | |
819cc324 | 443 | serial_get_tty_state (struct serial *scb) |
c2c6d25f JM |
444 | { |
445 | return scb->ops->get_tty_state (scb); | |
446 | } | |
447 | ||
448 | int | |
819cc324 | 449 | serial_set_tty_state (struct serial *scb, serial_ttystate ttystate) |
c2c6d25f JM |
450 | { |
451 | return scb->ops->set_tty_state (scb, ttystate); | |
452 | } | |
453 | ||
454 | void | |
819cc324 | 455 | serial_print_tty_state (struct serial *scb, |
c2c6d25f | 456 | serial_ttystate ttystate, |
d9fcf2fb | 457 | struct ui_file *stream) |
c2c6d25f JM |
458 | { |
459 | scb->ops->print_tty_state (scb, ttystate, stream); | |
460 | } | |
461 | ||
462 | int | |
819cc324 | 463 | serial_noflush_set_tty_state (struct serial *scb, |
c2c6d25f JM |
464 | serial_ttystate new_ttystate, |
465 | serial_ttystate old_ttystate) | |
466 | { | |
467 | return scb->ops->noflush_set_tty_state (scb, new_ttystate, old_ttystate); | |
468 | } | |
469 | ||
470 | int | |
819cc324 | 471 | serial_setbaudrate (struct serial *scb, int rate) |
c2c6d25f JM |
472 | { |
473 | return scb->ops->setbaudrate (scb, rate); | |
474 | } | |
475 | ||
476 | int | |
819cc324 | 477 | serial_setstopbits (struct serial *scb, int num) |
c2c6d25f JM |
478 | { |
479 | return scb->ops->setstopbits (scb, num); | |
480 | } | |
481 | ||
482 | int | |
819cc324 | 483 | serial_can_async_p (struct serial *scb) |
c2c6d25f JM |
484 | { |
485 | return (scb->ops->async != NULL); | |
486 | } | |
487 | ||
488 | int | |
819cc324 | 489 | serial_is_async_p (struct serial *scb) |
c2c6d25f JM |
490 | { |
491 | return (scb->ops->async != NULL) && (scb->async_handler != NULL); | |
492 | } | |
493 | ||
494 | void | |
819cc324 | 495 | serial_async (struct serial *scb, |
c2c6d25f JM |
496 | serial_event_ftype *handler, |
497 | void *context) | |
498 | { | |
499 | /* Only change mode if there is a need. */ | |
500 | if ((scb->async_handler == NULL) | |
501 | != (handler == NULL)) | |
502 | scb->ops->async (scb, handler != NULL); | |
503 | scb->async_handler = handler; | |
504 | scb->async_context = context; | |
505 | } | |
506 | ||
507 | int | |
819cc324 | 508 | deprecated_serial_fd (struct serial *scb) |
c2c6d25f JM |
509 | { |
510 | /* FIXME: should this output a warning that deprecated code is being | |
511 | called? */ | |
512 | if (scb->fd < 0) | |
513 | { | |
8e65ff28 AC |
514 | internal_error (__FILE__, __LINE__, |
515 | "serial: FD not valid"); | |
c2c6d25f JM |
516 | } |
517 | return scb->fd; /* sigh */ | |
518 | } | |
519 | ||
2acceee2 | 520 | void |
819cc324 | 521 | serial_debug (struct serial *scb, int debug_p) |
2acceee2 JM |
522 | { |
523 | scb->debug_p = debug_p; | |
524 | } | |
525 | ||
526 | int | |
819cc324 | 527 | serial_debug_p (struct serial *scb) |
2acceee2 JM |
528 | { |
529 | return scb->debug_p || global_serial_debug_p; | |
530 | } | |
531 | ||
532 | ||
c906108c | 533 | #if 0 |
819cc324 AC |
534 | /* The connect command is #if 0 because I hadn't thought of an elegant |
535 | way to wait for I/O on two `struct serial *'s simultaneously. Two | |
536 | solutions came to mind: | |
c906108c | 537 | |
c5aa993b JM |
538 | 1) Fork, and have have one fork handle the to user direction, |
539 | and have the other hand the to target direction. This | |
540 | obviously won't cut it for MSDOS. | |
c906108c | 541 | |
c5aa993b JM |
542 | 2) Use something like select. This assumes that stdin and |
543 | the target side can both be waited on via the same | |
544 | mechanism. This may not be true for DOS, if GDB is | |
545 | talking to the target via a TCP socket. | |
819cc324 | 546 | -grossman, 8 Jun 93 */ |
c906108c SS |
547 | |
548 | /* Connect the user directly to the remote system. This command acts just like | |
549 | the 'cu' or 'tip' command. Use <CR>~. or <CR>~^D to break out. */ | |
550 | ||
819cc324 | 551 | static struct serial *tty_desc; /* Controlling terminal */ |
c906108c SS |
552 | |
553 | static void | |
c2c6d25f | 554 | cleanup_tty (serial_ttystate ttystate) |
c906108c SS |
555 | { |
556 | printf_unfiltered ("\r\n[Exiting connect mode]\r\n"); | |
2cd58942 | 557 | serial_set_tty_state (tty_desc, ttystate); |
b8c9b27d | 558 | xfree (ttystate); |
2cd58942 | 559 | serial_close (tty_desc); |
c906108c SS |
560 | } |
561 | ||
562 | static void | |
c2c6d25f | 563 | connect_command (char *args, int fromtty) |
c906108c SS |
564 | { |
565 | int c; | |
566 | char cur_esc = 0; | |
567 | serial_ttystate ttystate; | |
819cc324 | 568 | struct serial *port_desc; /* TTY port */ |
c906108c | 569 | |
c5aa993b | 570 | dont_repeat (); |
c906108c SS |
571 | |
572 | if (args) | |
c5aa993b JM |
573 | fprintf_unfiltered (gdb_stderr, "This command takes no args. They have been ignored.\n"); |
574 | ||
575 | printf_unfiltered ("[Entering connect mode. Use ~. or ~^D to escape]\n"); | |
c906108c | 576 | |
2cd58942 | 577 | tty_desc = serial_fdopen (0); |
c906108c SS |
578 | port_desc = last_serial_opened; |
579 | ||
2cd58942 | 580 | ttystate = serial_get_tty_state (tty_desc); |
c906108c | 581 | |
2cd58942 AC |
582 | serial_raw (tty_desc); |
583 | serial_raw (port_desc); | |
c906108c SS |
584 | |
585 | make_cleanup (cleanup_tty, ttystate); | |
586 | ||
587 | while (1) | |
588 | { | |
589 | int mask; | |
590 | ||
2cd58942 | 591 | mask = serial_wait_2 (tty_desc, port_desc, -1); |
c906108c SS |
592 | |
593 | if (mask & 2) | |
594 | { /* tty input */ | |
595 | char cx; | |
596 | ||
597 | while (1) | |
598 | { | |
2cd58942 | 599 | c = serial_readchar (tty_desc, 0); |
c906108c SS |
600 | |
601 | if (c == SERIAL_TIMEOUT) | |
c5aa993b | 602 | break; |
c906108c SS |
603 | |
604 | if (c < 0) | |
c5aa993b | 605 | perror_with_name ("connect"); |
c906108c SS |
606 | |
607 | cx = c; | |
2cd58942 | 608 | serial_write (port_desc, &cx, 1); |
c906108c SS |
609 | |
610 | switch (cur_esc) | |
611 | { | |
612 | case 0: | |
613 | if (c == '\r') | |
614 | cur_esc = c; | |
615 | break; | |
616 | case '\r': | |
617 | if (c == '~') | |
618 | cur_esc = c; | |
619 | else | |
620 | cur_esc = 0; | |
621 | break; | |
622 | case '~': | |
623 | if (c == '.' || c == '\004') | |
624 | return; | |
625 | else | |
626 | cur_esc = 0; | |
627 | } | |
628 | } | |
629 | } | |
630 | ||
631 | if (mask & 1) | |
632 | { /* Port input */ | |
633 | char cx; | |
634 | ||
635 | while (1) | |
636 | { | |
2cd58942 | 637 | c = serial_readchar (port_desc, 0); |
c906108c SS |
638 | |
639 | if (c == SERIAL_TIMEOUT) | |
c5aa993b | 640 | break; |
c906108c SS |
641 | |
642 | if (c < 0) | |
c5aa993b | 643 | perror_with_name ("connect"); |
c906108c SS |
644 | |
645 | cx = c; | |
646 | ||
2cd58942 | 647 | serial_write (tty_desc, &cx, 1); |
c906108c SS |
648 | } |
649 | } | |
650 | } | |
651 | } | |
652 | #endif /* 0 */ | |
653 | ||
e3abfe1d AC |
654 | /* Serial set/show framework. */ |
655 | ||
656 | static struct cmd_list_element *serial_set_cmdlist; | |
657 | static struct cmd_list_element *serial_show_cmdlist; | |
658 | ||
659 | static void | |
660 | serial_set_cmd (char *args, int from_tty) | |
661 | { | |
662 | printf_unfiltered ("\"set serial\" must be followed by the name of a command.\n"); | |
663 | help_list (serial_set_cmdlist, "set serial ", -1, gdb_stdout); | |
664 | } | |
665 | ||
666 | static void | |
667 | serial_show_cmd (char *args, int from_tty) | |
668 | { | |
669 | cmd_show_list (serial_show_cmdlist, from_tty, ""); | |
670 | } | |
671 | ||
672 | ||
c906108c | 673 | void |
c2c6d25f | 674 | _initialize_serial (void) |
c906108c SS |
675 | { |
676 | #if 0 | |
677 | add_com ("connect", class_obscure, connect_command, | |
678 | "Connect the terminal directly up to the command monitor.\n\ | |
679 | Use <CR>~. or <CR>~^D to break out."); | |
680 | #endif /* 0 */ | |
681 | ||
e3abfe1d AC |
682 | add_prefix_cmd ("serial", class_maintenance, serial_set_cmd, "\ |
683 | Set default serial/parallel port configuration.", | |
684 | &serial_set_cmdlist, "set serial ", | |
685 | 0/*allow-unknown*/, | |
686 | &setlist); | |
687 | ||
688 | add_prefix_cmd ("serial", class_maintenance, serial_show_cmd, "\ | |
689 | Show default serial/parallel port configuration.", | |
690 | &serial_show_cmdlist, "show serial ", | |
691 | 0/*allow-unknown*/, | |
692 | &showlist); | |
693 | ||
c5aa993b | 694 | add_show_from_set |
c906108c SS |
695 | (add_set_cmd ("remotelogfile", no_class, |
696 | var_filename, (char *) &serial_logfile, | |
697 | "Set filename for remote session recording.\n\ | |
698 | This file is used to record the remote session for future playback\n\ | |
c5aa993b | 699 | by gdbserver.", |
c906108c SS |
700 | &setlist), |
701 | &showlist); | |
702 | ||
c5aa993b | 703 | add_show_from_set |
c906108c | 704 | (add_set_enum_cmd ("remotelogbase", no_class, |
1ed2a135 | 705 | logbase_enums, &serial_logbase, |
c906108c SS |
706 | "Set numerical base for remote session logging", |
707 | &setlist), | |
708 | &showlist); | |
2acceee2 | 709 | |
5d161b24 | 710 | add_show_from_set (add_set_cmd ("serial", |
2acceee2 JM |
711 | class_maintenance, |
712 | var_zinteger, | |
713 | (char *)&global_serial_debug_p, | |
714 | "Set serial debugging.\n\ | |
5d161b24 DB |
715 | When non-zero, serial port debugging is enabled.", &setdebuglist), |
716 | &showdebuglist); | |
c906108c | 717 | } |