Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Generic serial interface routines |
4fcf66da | 2 | |
ecd75fc8 | 3 | Copyright (C) 1992-2014 Free Software Foundation, Inc. |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 10 | (at your option) any later version. |
c906108c | 11 | |
c5aa993b JM |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
c906108c | 16 | |
c5aa993b | 17 | You should have received a copy of the GNU General Public License |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
19 | |
20 | #include "defs.h" | |
21 | #include <ctype.h> | |
22 | #include "serial.h" | |
0e9f083f | 23 | #include <string.h> |
c906108c | 24 | #include "gdbcmd.h" |
529480d0 | 25 | #include "cli/cli-utils.h" |
c906108c | 26 | |
c2c6d25f | 27 | extern void _initialize_serial (void); |
392a587b | 28 | |
c378eb4e | 29 | /* Is serial being debugged? */ |
2acceee2 | 30 | |
ccce17b0 | 31 | static unsigned int global_serial_debug_p; |
2acceee2 | 32 | |
fcd488ca TT |
33 | typedef const struct serial_ops *serial_ops_p; |
34 | DEF_VEC_P (serial_ops_p); | |
c906108c | 35 | |
fcd488ca TT |
36 | /* Serial I/O handlers. */ |
37 | ||
38 | VEC (serial_ops_p) *serial_ops_list = NULL; | |
c906108c | 39 | |
5eb3b062 PA |
40 | /* Pointer to list of scb's. */ |
41 | ||
42 | static struct serial *scb_base; | |
43 | ||
c906108c | 44 | /* Non-NULL gives filename which contains a recording of the remote session, |
c378eb4e | 45 | suitable for playback by gdbserver. */ |
c906108c SS |
46 | |
47 | static char *serial_logfile = NULL; | |
d9fcf2fb | 48 | static struct ui_file *serial_logfp = NULL; |
c906108c | 49 | |
fcd488ca | 50 | static const struct serial_ops *serial_interface_lookup (const char *); |
3e43a32a MS |
51 | static void serial_logchar (struct ui_file *stream, |
52 | int ch_type, int ch, int timeout); | |
53904c9e AC |
53 | static const char logbase_hex[] = "hex"; |
54 | static const char logbase_octal[] = "octal"; | |
55 | static const char logbase_ascii[] = "ascii"; | |
40478521 | 56 | static const char *const logbase_enums[] = |
c5aa993b | 57 | {logbase_hex, logbase_octal, logbase_ascii, NULL}; |
53904c9e | 58 | static const char *serial_logbase = logbase_ascii; |
c906108c | 59 | \f |
c5aa993b | 60 | |
c906108c SS |
61 | static int serial_current_type = 0; |
62 | ||
c378eb4e | 63 | /* Log char CH of type CHTYPE, with TIMEOUT. */ |
c906108c SS |
64 | |
65 | /* Define bogus char to represent a BREAK. Should be careful to choose a value | |
66 | that can't be confused with a normal char, or an error code. */ | |
67 | #define SERIAL_BREAK 1235 | |
68 | ||
69 | static void | |
d9fcf2fb | 70 | serial_logchar (struct ui_file *stream, int ch_type, int ch, int timeout) |
c906108c SS |
71 | { |
72 | if (ch_type != serial_current_type) | |
73 | { | |
2acceee2 | 74 | fprintf_unfiltered (stream, "\n%c ", ch_type); |
c906108c SS |
75 | serial_current_type = ch_type; |
76 | } | |
77 | ||
78 | if (serial_logbase != logbase_ascii) | |
2acceee2 | 79 | fputc_unfiltered (' ', stream); |
c906108c SS |
80 | |
81 | switch (ch) | |
82 | { | |
83 | case SERIAL_TIMEOUT: | |
2acceee2 | 84 | fprintf_unfiltered (stream, "<Timeout: %d seconds>", timeout); |
c906108c SS |
85 | return; |
86 | case SERIAL_ERROR: | |
2acceee2 | 87 | fprintf_unfiltered (stream, "<Error: %s>", safe_strerror (errno)); |
c906108c SS |
88 | return; |
89 | case SERIAL_EOF: | |
2acceee2 | 90 | fputs_unfiltered ("<Eof>", stream); |
c906108c SS |
91 | return; |
92 | case SERIAL_BREAK: | |
2acceee2 | 93 | fputs_unfiltered ("<Break>", stream); |
c906108c SS |
94 | return; |
95 | default: | |
96 | if (serial_logbase == logbase_hex) | |
2acceee2 | 97 | fprintf_unfiltered (stream, "%02x", ch & 0xff); |
c906108c | 98 | else if (serial_logbase == logbase_octal) |
2acceee2 | 99 | fprintf_unfiltered (stream, "%03o", ch & 0xff); |
c906108c SS |
100 | else |
101 | switch (ch) | |
102 | { | |
c5aa993b | 103 | case '\\': |
2acceee2 | 104 | fputs_unfiltered ("\\\\", stream); |
c5aa993b JM |
105 | break; |
106 | case '\b': | |
2acceee2 | 107 | fputs_unfiltered ("\\b", stream); |
c5aa993b JM |
108 | break; |
109 | case '\f': | |
2acceee2 | 110 | fputs_unfiltered ("\\f", stream); |
c5aa993b JM |
111 | break; |
112 | case '\n': | |
2acceee2 | 113 | fputs_unfiltered ("\\n", stream); |
c5aa993b JM |
114 | break; |
115 | case '\r': | |
2acceee2 | 116 | fputs_unfiltered ("\\r", stream); |
c5aa993b JM |
117 | break; |
118 | case '\t': | |
2acceee2 | 119 | fputs_unfiltered ("\\t", stream); |
c5aa993b JM |
120 | break; |
121 | case '\v': | |
2acceee2 | 122 | fputs_unfiltered ("\\v", stream); |
c5aa993b JM |
123 | break; |
124 | default: | |
3e43a32a MS |
125 | fprintf_unfiltered (stream, |
126 | isprint (ch) ? "%c" : "\\x%02x", ch & 0xFF); | |
c5aa993b | 127 | break; |
c906108c SS |
128 | } |
129 | } | |
130 | } | |
131 | ||
132 | void | |
4ab76ea3 | 133 | serial_log_command (struct target_ops *self, const char *cmd) |
c906108c SS |
134 | { |
135 | if (!serial_logfp) | |
136 | return; | |
137 | ||
138 | serial_current_type = 'c'; | |
139 | ||
140 | fputs_unfiltered ("\nc ", serial_logfp); | |
141 | fputs_unfiltered (cmd, serial_logfp); | |
142 | ||
143 | /* Make sure that the log file is as up-to-date as possible, | |
c378eb4e | 144 | in case we are getting ready to dump core or something. */ |
c906108c SS |
145 | gdb_flush (serial_logfp); |
146 | } | |
147 | ||
c2c6d25f | 148 | \f |
fcd488ca | 149 | static const struct serial_ops * |
58f07bae | 150 | serial_interface_lookup (const char *name) |
c906108c | 151 | { |
fcd488ca TT |
152 | const struct serial_ops *ops; |
153 | int i; | |
c906108c | 154 | |
fcd488ca | 155 | for (i = 0; VEC_iterate (serial_ops_p, serial_ops_list, i, ops); ++i) |
c906108c SS |
156 | if (strcmp (name, ops->name) == 0) |
157 | return ops; | |
158 | ||
159 | return NULL; | |
160 | } | |
161 | ||
162 | void | |
fcd488ca | 163 | serial_add_interface (const struct serial_ops *optable) |
c906108c | 164 | { |
fcd488ca | 165 | VEC_safe_push (serial_ops_p, serial_ops_list, optable); |
c906108c SS |
166 | } |
167 | ||
5eb3b062 PA |
168 | /* Return the open serial device for FD, if found, or NULL if FD is |
169 | not already opened. */ | |
170 | ||
171 | struct serial * | |
172 | serial_for_fd (int fd) | |
173 | { | |
174 | struct serial *scb; | |
175 | ||
176 | for (scb = scb_base; scb; scb = scb->next) | |
177 | if (scb->fd == fd) | |
178 | return scb; | |
179 | ||
180 | return NULL; | |
181 | } | |
182 | ||
c378eb4e | 183 | /* Open up a device or a network socket, depending upon the syntax of NAME. */ |
c906108c | 184 | |
819cc324 | 185 | struct serial * |
c2c6d25f | 186 | serial_open (const char *name) |
c906108c | 187 | { |
819cc324 | 188 | struct serial *scb; |
fcd488ca | 189 | const struct serial_ops *ops; |
c2c6d25f | 190 | const char *open_name = name; |
c906108c | 191 | |
50a9e2f1 | 192 | if (strcmp (name, "pc") == 0) |
c906108c | 193 | ops = serial_interface_lookup ("pc"); |
c906108c SS |
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"); | |
8b9e3a15 VP |
199 | /* Discard ``|'' and any space before the command itself. */ |
200 | ++open_name; | |
529480d0 | 201 | open_name = skip_spaces_const (open_name); |
c2c6d25f | 202 | } |
2821caf1 JB |
203 | /* Check for a colon, suggesting an IP address/port pair. |
204 | Do this *after* checking for all the interesting prefixes. We | |
205 | don't want to constrain the syntax of what can follow them. */ | |
206 | else if (strchr (name, ':')) | |
207 | ops = serial_interface_lookup ("tcp"); | |
c906108c SS |
208 | else |
209 | ops = serial_interface_lookup ("hardwire"); | |
210 | ||
211 | if (!ops) | |
212 | return NULL; | |
213 | ||
70ba0933 | 214 | scb = XNEW (struct serial); |
c906108c SS |
215 | |
216 | scb->ops = ops; | |
217 | ||
218 | scb->bufcnt = 0; | |
219 | scb->bufp = scb->buf; | |
65cc4390 | 220 | scb->error_fd = -1; |
ddefb60f | 221 | scb->refcnt = 1; |
c906108c | 222 | |
766062f6 | 223 | /* `...->open (...)' would get expanded by the open(2) syscall macro. */ |
652aaa24 | 224 | if ((*scb->ops->open) (scb, open_name)) |
c906108c | 225 | { |
b8c9b27d | 226 | xfree (scb); |
c906108c SS |
227 | return NULL; |
228 | } | |
229 | ||
4fcf66da | 230 | scb->name = xstrdup (name); |
5eb3b062 | 231 | scb->next = scb_base; |
2acceee2 JM |
232 | scb->debug_p = 0; |
233 | scb->async_state = 0; | |
c2c6d25f JM |
234 | scb->async_handler = NULL; |
235 | scb->async_context = NULL; | |
5eb3b062 | 236 | scb_base = scb; |
c906108c SS |
237 | |
238 | if (serial_logfile != NULL) | |
239 | { | |
240 | serial_logfp = gdb_fopen (serial_logfile, "w"); | |
241 | if (serial_logfp == NULL) | |
242 | perror_with_name (serial_logfile); | |
243 | } | |
244 | ||
245 | return scb; | |
246 | } | |
247 | ||
58f07bae PA |
248 | /* Open a new serial stream using a file handle, using serial |
249 | interface ops OPS. */ | |
250 | ||
251 | static struct serial * | |
fcd488ca | 252 | serial_fdopen_ops (const int fd, const struct serial_ops *ops) |
c906108c | 253 | { |
819cc324 | 254 | struct serial *scb; |
c906108c | 255 | |
0ea3f30e | 256 | if (!ops) |
58f07bae PA |
257 | { |
258 | ops = serial_interface_lookup ("terminal"); | |
259 | if (!ops) | |
260 | ops = serial_interface_lookup ("hardwire"); | |
261 | } | |
c906108c SS |
262 | |
263 | if (!ops) | |
264 | return NULL; | |
265 | ||
fc270c35 | 266 | scb = XCNEW (struct serial); |
c906108c SS |
267 | |
268 | scb->ops = ops; | |
269 | ||
270 | scb->bufcnt = 0; | |
271 | scb->bufp = scb->buf; | |
58f07bae | 272 | scb->error_fd = -1; |
ddefb60f | 273 | scb->refcnt = 1; |
c906108c SS |
274 | |
275 | scb->name = NULL; | |
5eb3b062 | 276 | scb->next = scb_base; |
2acceee2 JM |
277 | scb->debug_p = 0; |
278 | scb->async_state = 0; | |
c2c6d25f JM |
279 | scb->async_handler = NULL; |
280 | scb->async_context = NULL; | |
5eb3b062 | 281 | scb_base = scb; |
c906108c | 282 | |
58f07bae PA |
283 | if ((ops->fdopen) != NULL) |
284 | (*ops->fdopen) (scb, fd); | |
285 | else | |
286 | scb->fd = fd; | |
287 | ||
c906108c SS |
288 | return scb; |
289 | } | |
290 | ||
58f07bae PA |
291 | struct serial * |
292 | serial_fdopen (const int fd) | |
293 | { | |
294 | return serial_fdopen_ops (fd, NULL); | |
295 | } | |
296 | ||
c2c6d25f | 297 | static void |
819cc324 | 298 | do_serial_close (struct serial *scb, int really_close) |
c906108c | 299 | { |
819cc324 | 300 | struct serial *tmp_scb; |
c906108c | 301 | |
c906108c SS |
302 | if (serial_logfp) |
303 | { | |
304 | fputs_unfiltered ("\nEnd of log\n", serial_logfp); | |
305 | serial_current_type = 0; | |
306 | ||
c378eb4e | 307 | /* XXX - What if serial_logfp == gdb_stdout or gdb_stderr? */ |
d9fcf2fb | 308 | ui_file_delete (serial_logfp); |
c906108c SS |
309 | serial_logfp = NULL; |
310 | } | |
311 | ||
c378eb4e | 312 | /* ensure that the FD has been taken out of async mode. */ |
c2c6d25f JM |
313 | if (scb->async_handler != NULL) |
314 | serial_async (scb, NULL, NULL); | |
315 | ||
c906108c SS |
316 | if (really_close) |
317 | scb->ops->close (scb); | |
318 | ||
319 | if (scb->name) | |
b8c9b27d | 320 | xfree (scb->name); |
c906108c | 321 | |
ddefb60f PA |
322 | /* For serial_is_open. */ |
323 | scb->bufp = NULL; | |
324 | ||
5eb3b062 PA |
325 | if (scb_base == scb) |
326 | scb_base = scb_base->next; | |
327 | else | |
328 | for (tmp_scb = scb_base; tmp_scb; tmp_scb = tmp_scb->next) | |
329 | { | |
330 | if (tmp_scb->next != scb) | |
331 | continue; | |
332 | ||
333 | tmp_scb->next = tmp_scb->next->next; | |
334 | break; | |
335 | } | |
336 | ||
ddefb60f | 337 | serial_unref (scb); |
c906108c SS |
338 | } |
339 | ||
c2c6d25f | 340 | void |
819cc324 | 341 | serial_close (struct serial *scb) |
c2c6d25f JM |
342 | { |
343 | do_serial_close (scb, 1); | |
344 | } | |
345 | ||
346 | void | |
819cc324 | 347 | serial_un_fdopen (struct serial *scb) |
c2c6d25f JM |
348 | { |
349 | do_serial_close (scb, 0); | |
350 | } | |
351 | ||
ddefb60f PA |
352 | int |
353 | serial_is_open (struct serial *scb) | |
354 | { | |
355 | return scb->bufp != NULL; | |
356 | } | |
357 | ||
358 | void | |
359 | serial_ref (struct serial *scb) | |
360 | { | |
361 | scb->refcnt++; | |
362 | } | |
363 | ||
364 | void | |
365 | serial_unref (struct serial *scb) | |
366 | { | |
367 | --scb->refcnt; | |
368 | if (scb->refcnt == 0) | |
369 | xfree (scb); | |
370 | } | |
371 | ||
c2c6d25f | 372 | int |
819cc324 | 373 | serial_readchar (struct serial *scb, int timeout) |
c2c6d25f JM |
374 | { |
375 | int ch; | |
376 | ||
2df3850c | 377 | /* FIXME: cagney/1999-10-11: Don't enable this check until the ASYNC |
c378eb4e | 378 | code is finished. */ |
2cd58942 | 379 | if (0 && serial_is_async_p (scb) && timeout < 0) |
8e65ff28 | 380 | internal_error (__FILE__, __LINE__, |
e2e0b3e5 | 381 | _("serial_readchar: blocking read in async mode")); |
2df3850c | 382 | |
c2c6d25f JM |
383 | ch = scb->ops->readchar (scb, timeout); |
384 | if (serial_logfp != NULL) | |
385 | { | |
2acceee2 | 386 | serial_logchar (serial_logfp, 'r', ch, timeout); |
c2c6d25f JM |
387 | |
388 | /* Make sure that the log file is as up-to-date as possible, | |
c378eb4e | 389 | in case we are getting ready to dump core or something. */ |
c2c6d25f JM |
390 | gdb_flush (serial_logfp); |
391 | } | |
2cd58942 | 392 | if (serial_debug_p (scb)) |
2acceee2 JM |
393 | { |
394 | fprintf_unfiltered (gdb_stdlog, "["); | |
395 | serial_logchar (gdb_stdlog, 'r', ch, timeout); | |
396 | fprintf_unfiltered (gdb_stdlog, "]"); | |
397 | gdb_flush (gdb_stdlog); | |
398 | } | |
c2c6d25f JM |
399 | |
400 | return (ch); | |
401 | } | |
402 | ||
403 | int | |
c628b528 | 404 | serial_write (struct serial *scb, const void *buf, size_t count) |
c2c6d25f JM |
405 | { |
406 | if (serial_logfp != NULL) | |
407 | { | |
c628b528 PA |
408 | const char *str = buf; |
409 | size_t c; | |
c2c6d25f | 410 | |
c628b528 PA |
411 | for (c = 0; c < count; c++) |
412 | serial_logchar (serial_logfp, 'w', str[c] & 0xff, 0); | |
c2c6d25f JM |
413 | |
414 | /* Make sure that the log file is as up-to-date as possible, | |
c378eb4e | 415 | in case we are getting ready to dump core or something. */ |
c2c6d25f JM |
416 | gdb_flush (serial_logfp); |
417 | } | |
9214d371 DE |
418 | if (serial_debug_p (scb)) |
419 | { | |
c628b528 PA |
420 | const char *str = buf; |
421 | size_t c; | |
9214d371 | 422 | |
c628b528 | 423 | for (c = 0; c < count; c++) |
9214d371 DE |
424 | { |
425 | fprintf_unfiltered (gdb_stdlog, "["); | |
426 | serial_logchar (gdb_stdlog, 'w', str[count] & 0xff, 0); | |
427 | fprintf_unfiltered (gdb_stdlog, "]"); | |
428 | } | |
429 | gdb_flush (gdb_stdlog); | |
430 | } | |
c2c6d25f | 431 | |
c628b528 | 432 | return (scb->ops->write (scb, buf, count)); |
c2c6d25f JM |
433 | } |
434 | ||
435 | void | |
819cc324 | 436 | serial_printf (struct serial *desc, const char *format,...) |
c2c6d25f JM |
437 | { |
438 | va_list args; | |
439 | char *buf; | |
440 | va_start (args, format); | |
441 | ||
e623b504 | 442 | buf = xstrvprintf (format, args); |
2cd58942 | 443 | serial_write (desc, buf, strlen (buf)); |
c2c6d25f | 444 | |
b8c9b27d | 445 | xfree (buf); |
c2c6d25f JM |
446 | va_end (args); |
447 | } | |
448 | ||
449 | int | |
819cc324 | 450 | serial_drain_output (struct serial *scb) |
c2c6d25f JM |
451 | { |
452 | return scb->ops->drain_output (scb); | |
453 | } | |
454 | ||
455 | int | |
819cc324 | 456 | serial_flush_output (struct serial *scb) |
c2c6d25f JM |
457 | { |
458 | return scb->ops->flush_output (scb); | |
459 | } | |
460 | ||
461 | int | |
819cc324 | 462 | serial_flush_input (struct serial *scb) |
c2c6d25f JM |
463 | { |
464 | return scb->ops->flush_input (scb); | |
465 | } | |
466 | ||
467 | int | |
819cc324 | 468 | serial_send_break (struct serial *scb) |
c2c6d25f JM |
469 | { |
470 | if (serial_logfp != NULL) | |
2acceee2 | 471 | serial_logchar (serial_logfp, 'w', SERIAL_BREAK, 0); |
c2c6d25f JM |
472 | |
473 | return (scb->ops->send_break (scb)); | |
474 | } | |
475 | ||
476 | void | |
819cc324 | 477 | serial_raw (struct serial *scb) |
c2c6d25f JM |
478 | { |
479 | scb->ops->go_raw (scb); | |
480 | } | |
481 | ||
482 | serial_ttystate | |
819cc324 | 483 | serial_get_tty_state (struct serial *scb) |
c2c6d25f JM |
484 | { |
485 | return scb->ops->get_tty_state (scb); | |
486 | } | |
487 | ||
1e182ce8 UW |
488 | serial_ttystate |
489 | serial_copy_tty_state (struct serial *scb, serial_ttystate ttystate) | |
490 | { | |
491 | return scb->ops->copy_tty_state (scb, ttystate); | |
492 | } | |
493 | ||
c2c6d25f | 494 | int |
819cc324 | 495 | serial_set_tty_state (struct serial *scb, serial_ttystate ttystate) |
c2c6d25f JM |
496 | { |
497 | return scb->ops->set_tty_state (scb, ttystate); | |
498 | } | |
499 | ||
500 | void | |
819cc324 | 501 | serial_print_tty_state (struct serial *scb, |
c2c6d25f | 502 | serial_ttystate ttystate, |
d9fcf2fb | 503 | struct ui_file *stream) |
c2c6d25f JM |
504 | { |
505 | scb->ops->print_tty_state (scb, ttystate, stream); | |
506 | } | |
507 | ||
508 | int | |
819cc324 | 509 | serial_noflush_set_tty_state (struct serial *scb, |
c2c6d25f JM |
510 | serial_ttystate new_ttystate, |
511 | serial_ttystate old_ttystate) | |
512 | { | |
513 | return scb->ops->noflush_set_tty_state (scb, new_ttystate, old_ttystate); | |
514 | } | |
515 | ||
516 | int | |
819cc324 | 517 | serial_setbaudrate (struct serial *scb, int rate) |
c2c6d25f JM |
518 | { |
519 | return scb->ops->setbaudrate (scb, rate); | |
520 | } | |
521 | ||
522 | int | |
819cc324 | 523 | serial_setstopbits (struct serial *scb, int num) |
c2c6d25f JM |
524 | { |
525 | return scb->ops->setstopbits (scb, num); | |
526 | } | |
527 | ||
528 | int | |
819cc324 | 529 | serial_can_async_p (struct serial *scb) |
c2c6d25f JM |
530 | { |
531 | return (scb->ops->async != NULL); | |
532 | } | |
533 | ||
534 | int | |
819cc324 | 535 | serial_is_async_p (struct serial *scb) |
c2c6d25f JM |
536 | { |
537 | return (scb->ops->async != NULL) && (scb->async_handler != NULL); | |
538 | } | |
539 | ||
540 | void | |
819cc324 | 541 | serial_async (struct serial *scb, |
c2c6d25f JM |
542 | serial_event_ftype *handler, |
543 | void *context) | |
544 | { | |
05ce04a4 | 545 | int changed = ((scb->async_handler == NULL) != (handler == NULL)); |
433759f7 | 546 | |
c2c6d25f JM |
547 | scb->async_handler = handler; |
548 | scb->async_context = context; | |
05ce04a4 VP |
549 | /* Only change mode if there is a need. */ |
550 | if (changed) | |
551 | scb->ops->async (scb, handler != NULL); | |
c2c6d25f JM |
552 | } |
553 | ||
2acceee2 | 554 | void |
819cc324 | 555 | serial_debug (struct serial *scb, int debug_p) |
2acceee2 JM |
556 | { |
557 | scb->debug_p = debug_p; | |
558 | } | |
559 | ||
560 | int | |
819cc324 | 561 | serial_debug_p (struct serial *scb) |
2acceee2 JM |
562 | { |
563 | return scb->debug_p || global_serial_debug_p; | |
564 | } | |
565 | ||
0ea3f30e DJ |
566 | #ifdef USE_WIN32API |
567 | void | |
568 | serial_wait_handle (struct serial *scb, HANDLE *read, HANDLE *except) | |
569 | { | |
570 | if (scb->ops->wait_handle) | |
571 | scb->ops->wait_handle (scb, read, except); | |
572 | else | |
573 | { | |
574 | *read = (HANDLE) _get_osfhandle (scb->fd); | |
575 | *except = NULL; | |
576 | } | |
577 | } | |
c3e2b812 DJ |
578 | |
579 | void | |
580 | serial_done_wait_handle (struct serial *scb) | |
581 | { | |
582 | if (scb->ops->done_wait_handle) | |
583 | scb->ops->done_wait_handle (scb); | |
584 | } | |
0ea3f30e | 585 | #endif |
2acceee2 | 586 | |
58f07bae PA |
587 | int |
588 | serial_pipe (struct serial *scbs[2]) | |
589 | { | |
fcd488ca | 590 | const struct serial_ops *ops; |
58f07bae PA |
591 | int fildes[2]; |
592 | ||
593 | ops = serial_interface_lookup ("pipe"); | |
594 | if (!ops) | |
595 | { | |
596 | errno = ENOSYS; | |
597 | return -1; | |
598 | } | |
599 | ||
600 | if (gdb_pipe (fildes) == -1) | |
601 | return -1; | |
602 | ||
603 | scbs[0] = serial_fdopen_ops (fildes[0], ops); | |
604 | scbs[1] = serial_fdopen_ops (fildes[1], ops); | |
605 | return 0; | |
606 | } | |
607 | ||
e3abfe1d AC |
608 | /* Serial set/show framework. */ |
609 | ||
610 | static struct cmd_list_element *serial_set_cmdlist; | |
611 | static struct cmd_list_element *serial_show_cmdlist; | |
612 | ||
613 | static void | |
614 | serial_set_cmd (char *args, int from_tty) | |
615 | { | |
3e43a32a MS |
616 | printf_unfiltered ("\"set serial\" must be followed " |
617 | "by the name of a command.\n"); | |
e3abfe1d AC |
618 | help_list (serial_set_cmdlist, "set serial ", -1, gdb_stdout); |
619 | } | |
620 | ||
621 | static void | |
622 | serial_show_cmd (char *args, int from_tty) | |
623 | { | |
624 | cmd_show_list (serial_show_cmdlist, from_tty, ""); | |
625 | } | |
626 | ||
0d12017b JB |
627 | /* Baud rate specified for talking to serial target systems. Default |
628 | is left as -1, so targets can choose their own defaults. */ | |
629 | /* FIXME: This means that "show serial baud" and gr_files_info can | |
630 | print -1 or (unsigned int)-1. This is a Bad User Interface. */ | |
631 | ||
632 | int baud_rate = -1; | |
633 | ||
634 | static void | |
635 | serial_baud_show_cmd (struct ui_file *file, int from_tty, | |
636 | struct cmd_list_element *c, const char *value) | |
637 | { | |
638 | fprintf_filtered (file, _("Baud rate for remote serial I/O is %s.\n"), | |
639 | value); | |
640 | } | |
e3abfe1d | 641 | |
c906108c | 642 | void |
c2c6d25f | 643 | _initialize_serial (void) |
c906108c SS |
644 | { |
645 | #if 0 | |
1bedd215 AC |
646 | add_com ("connect", class_obscure, connect_command, _("\ |
647 | Connect the terminal directly up to the command monitor.\n\ | |
648 | Use <CR>~. or <CR>~^D to break out.")); | |
c906108c SS |
649 | #endif /* 0 */ |
650 | ||
1bedd215 AC |
651 | add_prefix_cmd ("serial", class_maintenance, serial_set_cmd, _("\ |
652 | Set default serial/parallel port configuration."), | |
e3abfe1d AC |
653 | &serial_set_cmdlist, "set serial ", |
654 | 0/*allow-unknown*/, | |
655 | &setlist); | |
656 | ||
1bedd215 AC |
657 | add_prefix_cmd ("serial", class_maintenance, serial_show_cmd, _("\ |
658 | Show default serial/parallel port configuration."), | |
e3abfe1d AC |
659 | &serial_show_cmdlist, "show serial ", |
660 | 0/*allow-unknown*/, | |
661 | &showlist); | |
662 | ||
0d12017b JB |
663 | /* If target is open when baud changes, it doesn't take effect until |
664 | the next open (I think, not sure). */ | |
665 | add_setshow_zinteger_cmd ("baud", no_class, &baud_rate, _("\ | |
666 | Set baud rate for remote serial I/O."), _("\ | |
667 | Show baud rate for remote serial I/O."), _("\ | |
668 | This value is used to set the speed of the serial port when debugging\n\ | |
669 | using remote targets."), | |
670 | NULL, | |
671 | serial_baud_show_cmd, | |
672 | &serial_set_cmdlist, &serial_show_cmdlist); | |
673 | ||
674 | /* The commands "set/show serial baud" used to have a different name. | |
675 | Add aliases to those names to facilitate the transition, and mark | |
676 | them as deprecated, in order to make users aware of the fact that | |
677 | the command names have been changed. */ | |
678 | { | |
679 | const char *cmd_name; | |
680 | struct cmd_list_element *cmd; | |
681 | ||
682 | /* FIXME: There is a limitation in the deprecation mechanism, | |
683 | and the warning ends up not being displayed for prefixed | |
684 | aliases. So use a real command instead of an alias. */ | |
685 | add_setshow_zinteger_cmd ("remotebaud", class_alias, &baud_rate, _("\ | |
686 | Set baud rate for remote serial I/O."), _("\ | |
687 | Show baud rate for remote serial I/O."), _("\ | |
688 | This value is used to set the speed of the serial port when debugging\n\ | |
689 | using remote targets."), | |
690 | NULL, | |
691 | serial_baud_show_cmd, | |
692 | &setlist, &showlist); | |
693 | cmd_name = "remotebaud"; | |
694 | cmd = lookup_cmd (&cmd_name, setlist, "", -1, 1); | |
695 | deprecate_cmd (cmd, "set serial baud"); | |
696 | cmd_name | |
697 | = "remotebaud"; /* needed because lookup_cmd updates the pointer */ | |
698 | cmd = lookup_cmd (&cmd_name, showlist, "", -1, 1); | |
699 | deprecate_cmd (cmd, "show serial baud"); | |
700 | } | |
701 | ||
f397e303 AC |
702 | add_setshow_filename_cmd ("remotelogfile", no_class, &serial_logfile, _("\ |
703 | Set filename for remote session recording."), _("\ | |
704 | Show filename for remote session recording."), _("\ | |
c906108c | 705 | This file is used to record the remote session for future playback\n\ |
f397e303 AC |
706 | by gdbserver."), |
707 | NULL, | |
708 | NULL, /* FIXME: i18n: */ | |
709 | &setlist, &showlist); | |
c906108c | 710 | |
7ab04401 AC |
711 | add_setshow_enum_cmd ("remotelogbase", no_class, logbase_enums, |
712 | &serial_logbase, _("\ | |
713 | Set numerical base for remote session logging"), _("\ | |
714 | Show numerical base for remote session logging"), NULL, | |
715 | NULL, | |
716 | NULL, /* FIXME: i18n: */ | |
717 | &setlist, &showlist); | |
2acceee2 | 718 | |
ccce17b0 YQ |
719 | add_setshow_zuinteger_cmd ("serial", class_maintenance, |
720 | &global_serial_debug_p, _("\ | |
85c07804 AC |
721 | Set serial debugging."), _("\ |
722 | Show serial debugging."), _("\ | |
723 | When non-zero, serial port debugging is enabled."), | |
ccce17b0 YQ |
724 | NULL, |
725 | NULL, /* FIXME: i18n: */ | |
726 | &setdebuglist, &showdebuglist); | |
c906108c | 727 | } |