Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Generic serial interface routines |
4fcf66da | 2 | |
e2882c85 | 3 | Copyright (C) 1992-2018 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" | |
c906108c | 23 | #include "gdbcmd.h" |
529480d0 | 24 | #include "cli/cli-utils.h" |
c906108c | 25 | |
c378eb4e | 26 | /* Is serial being debugged? */ |
2acceee2 | 27 | |
ccce17b0 | 28 | static unsigned int global_serial_debug_p; |
2acceee2 | 29 | |
fcd488ca TT |
30 | /* Serial I/O handlers. */ |
31 | ||
191cca63 | 32 | static std::vector<const struct serial_ops *> serial_ops_list; |
c906108c | 33 | |
5eb3b062 PA |
34 | /* Pointer to list of scb's. */ |
35 | ||
36 | static struct serial *scb_base; | |
37 | ||
c906108c | 38 | /* Non-NULL gives filename which contains a recording of the remote session, |
c378eb4e | 39 | suitable for playback by gdbserver. */ |
c906108c SS |
40 | |
41 | static char *serial_logfile = NULL; | |
d9fcf2fb | 42 | static struct ui_file *serial_logfp = NULL; |
c906108c | 43 | |
fcd488ca | 44 | static const struct serial_ops *serial_interface_lookup (const char *); |
3e43a32a MS |
45 | static void serial_logchar (struct ui_file *stream, |
46 | int ch_type, int ch, int timeout); | |
53904c9e AC |
47 | static const char logbase_hex[] = "hex"; |
48 | static const char logbase_octal[] = "octal"; | |
49 | static const char logbase_ascii[] = "ascii"; | |
40478521 | 50 | static const char *const logbase_enums[] = |
c5aa993b | 51 | {logbase_hex, logbase_octal, logbase_ascii, NULL}; |
53904c9e | 52 | static const char *serial_logbase = logbase_ascii; |
c906108c | 53 | \f |
c5aa993b | 54 | |
c906108c SS |
55 | static int serial_current_type = 0; |
56 | ||
c378eb4e | 57 | /* Log char CH of type CHTYPE, with TIMEOUT. */ |
c906108c SS |
58 | |
59 | /* Define bogus char to represent a BREAK. Should be careful to choose a value | |
60 | that can't be confused with a normal char, or an error code. */ | |
61 | #define SERIAL_BREAK 1235 | |
62 | ||
63 | static void | |
d9fcf2fb | 64 | serial_logchar (struct ui_file *stream, int ch_type, int ch, int timeout) |
c906108c SS |
65 | { |
66 | if (ch_type != serial_current_type) | |
67 | { | |
2acceee2 | 68 | fprintf_unfiltered (stream, "\n%c ", ch_type); |
c906108c SS |
69 | serial_current_type = ch_type; |
70 | } | |
71 | ||
72 | if (serial_logbase != logbase_ascii) | |
2acceee2 | 73 | fputc_unfiltered (' ', stream); |
c906108c SS |
74 | |
75 | switch (ch) | |
76 | { | |
77 | case SERIAL_TIMEOUT: | |
2acceee2 | 78 | fprintf_unfiltered (stream, "<Timeout: %d seconds>", timeout); |
c906108c SS |
79 | return; |
80 | case SERIAL_ERROR: | |
2acceee2 | 81 | fprintf_unfiltered (stream, "<Error: %s>", safe_strerror (errno)); |
c906108c SS |
82 | return; |
83 | case SERIAL_EOF: | |
2acceee2 | 84 | fputs_unfiltered ("<Eof>", stream); |
c906108c SS |
85 | return; |
86 | case SERIAL_BREAK: | |
2acceee2 | 87 | fputs_unfiltered ("<Break>", stream); |
c906108c SS |
88 | return; |
89 | default: | |
90 | if (serial_logbase == logbase_hex) | |
2acceee2 | 91 | fprintf_unfiltered (stream, "%02x", ch & 0xff); |
c906108c | 92 | else if (serial_logbase == logbase_octal) |
2acceee2 | 93 | fprintf_unfiltered (stream, "%03o", ch & 0xff); |
c906108c SS |
94 | else |
95 | switch (ch) | |
96 | { | |
c5aa993b | 97 | case '\\': |
2acceee2 | 98 | fputs_unfiltered ("\\\\", stream); |
c5aa993b JM |
99 | break; |
100 | case '\b': | |
2acceee2 | 101 | fputs_unfiltered ("\\b", stream); |
c5aa993b JM |
102 | break; |
103 | case '\f': | |
2acceee2 | 104 | fputs_unfiltered ("\\f", stream); |
c5aa993b JM |
105 | break; |
106 | case '\n': | |
2acceee2 | 107 | fputs_unfiltered ("\\n", stream); |
c5aa993b JM |
108 | break; |
109 | case '\r': | |
2acceee2 | 110 | fputs_unfiltered ("\\r", stream); |
c5aa993b JM |
111 | break; |
112 | case '\t': | |
2acceee2 | 113 | fputs_unfiltered ("\\t", stream); |
c5aa993b JM |
114 | break; |
115 | case '\v': | |
2acceee2 | 116 | fputs_unfiltered ("\\v", stream); |
c5aa993b JM |
117 | break; |
118 | default: | |
3e43a32a MS |
119 | fprintf_unfiltered (stream, |
120 | isprint (ch) ? "%c" : "\\x%02x", ch & 0xFF); | |
c5aa993b | 121 | break; |
c906108c SS |
122 | } |
123 | } | |
124 | } | |
125 | ||
126 | void | |
4ab76ea3 | 127 | serial_log_command (struct target_ops *self, const char *cmd) |
c906108c SS |
128 | { |
129 | if (!serial_logfp) | |
130 | return; | |
131 | ||
132 | serial_current_type = 'c'; | |
133 | ||
134 | fputs_unfiltered ("\nc ", serial_logfp); | |
135 | fputs_unfiltered (cmd, serial_logfp); | |
136 | ||
137 | /* Make sure that the log file is as up-to-date as possible, | |
c378eb4e | 138 | in case we are getting ready to dump core or something. */ |
c906108c SS |
139 | gdb_flush (serial_logfp); |
140 | } | |
141 | ||
c2c6d25f | 142 | \f |
fcd488ca | 143 | static const struct serial_ops * |
58f07bae | 144 | serial_interface_lookup (const char *name) |
c906108c | 145 | { |
71b73764 | 146 | for (const serial_ops *ops : serial_ops_list) |
c906108c SS |
147 | if (strcmp (name, ops->name) == 0) |
148 | return ops; | |
149 | ||
150 | return NULL; | |
151 | } | |
152 | ||
153 | void | |
fcd488ca | 154 | serial_add_interface (const struct serial_ops *optable) |
c906108c | 155 | { |
191cca63 | 156 | serial_ops_list.push_back (optable); |
c906108c SS |
157 | } |
158 | ||
5eb3b062 PA |
159 | /* Return the open serial device for FD, if found, or NULL if FD is |
160 | not already opened. */ | |
161 | ||
162 | struct serial * | |
163 | serial_for_fd (int fd) | |
164 | { | |
165 | struct serial *scb; | |
166 | ||
167 | for (scb = scb_base; scb; scb = scb->next) | |
168 | if (scb->fd == fd) | |
169 | return scb; | |
170 | ||
171 | return NULL; | |
172 | } | |
173 | ||
00340e1b PA |
174 | /* Create a new serial for OPS. */ |
175 | ||
176 | static struct serial * | |
177 | new_serial (const struct serial_ops *ops) | |
178 | { | |
179 | struct serial *scb; | |
180 | ||
181 | scb = XCNEW (struct serial); | |
182 | ||
183 | scb->ops = ops; | |
184 | ||
185 | scb->bufp = scb->buf; | |
186 | scb->error_fd = -1; | |
187 | scb->refcnt = 1; | |
188 | ||
189 | return scb; | |
190 | } | |
191 | ||
192 | static struct serial *serial_open_ops_1 (const struct serial_ops *ops, | |
193 | const char *open_name); | |
194 | ||
c378eb4e | 195 | /* Open up a device or a network socket, depending upon the syntax of NAME. */ |
c906108c | 196 | |
819cc324 | 197 | struct serial * |
c2c6d25f | 198 | serial_open (const char *name) |
c906108c | 199 | { |
fcd488ca | 200 | const struct serial_ops *ops; |
c2c6d25f | 201 | const char *open_name = name; |
c906108c | 202 | |
ca1ca08b | 203 | if (startswith (name, "|")) |
c2c6d25f JM |
204 | { |
205 | ops = serial_interface_lookup ("pipe"); | |
8b9e3a15 VP |
206 | /* Discard ``|'' and any space before the command itself. */ |
207 | ++open_name; | |
f1735a53 | 208 | open_name = skip_spaces (open_name); |
c2c6d25f | 209 | } |
2821caf1 JB |
210 | /* Check for a colon, suggesting an IP address/port pair. |
211 | Do this *after* checking for all the interesting prefixes. We | |
212 | don't want to constrain the syntax of what can follow them. */ | |
213 | else if (strchr (name, ':')) | |
214 | ops = serial_interface_lookup ("tcp"); | |
c906108c SS |
215 | else |
216 | ops = serial_interface_lookup ("hardwire"); | |
217 | ||
218 | if (!ops) | |
219 | return NULL; | |
220 | ||
00340e1b PA |
221 | return serial_open_ops_1 (ops, open_name); |
222 | } | |
c906108c | 223 | |
00340e1b | 224 | /* Open up a serial for OPS, passing OPEN_NAME to the open method. */ |
c906108c | 225 | |
00340e1b PA |
226 | static struct serial * |
227 | serial_open_ops_1 (const struct serial_ops *ops, const char *open_name) | |
228 | { | |
229 | struct serial *scb; | |
230 | ||
231 | scb = new_serial (ops); | |
c906108c | 232 | |
766062f6 | 233 | /* `...->open (...)' would get expanded by the open(2) syscall macro. */ |
652aaa24 | 234 | if ((*scb->ops->open) (scb, open_name)) |
c906108c | 235 | { |
b8c9b27d | 236 | xfree (scb); |
c906108c SS |
237 | return NULL; |
238 | } | |
239 | ||
5eb3b062 | 240 | scb->next = scb_base; |
5eb3b062 | 241 | scb_base = scb; |
c906108c SS |
242 | |
243 | if (serial_logfile != NULL) | |
244 | { | |
d7e74731 PA |
245 | stdio_file_up file (new stdio_file ()); |
246 | ||
247 | if (!file->open (serial_logfile, "w")) | |
c906108c | 248 | perror_with_name (serial_logfile); |
d7e74731 PA |
249 | |
250 | serial_logfp = file.release (); | |
c906108c SS |
251 | } |
252 | ||
253 | return scb; | |
254 | } | |
255 | ||
00340e1b PA |
256 | /* See serial.h. */ |
257 | ||
258 | struct serial * | |
259 | serial_open_ops (const struct serial_ops *ops) | |
260 | { | |
261 | return serial_open_ops_1 (ops, NULL); | |
262 | } | |
263 | ||
58f07bae PA |
264 | /* Open a new serial stream using a file handle, using serial |
265 | interface ops OPS. */ | |
266 | ||
267 | static struct serial * | |
fcd488ca | 268 | serial_fdopen_ops (const int fd, const struct serial_ops *ops) |
c906108c | 269 | { |
819cc324 | 270 | struct serial *scb; |
c906108c | 271 | |
0ea3f30e | 272 | if (!ops) |
58f07bae PA |
273 | { |
274 | ops = serial_interface_lookup ("terminal"); | |
275 | if (!ops) | |
276 | ops = serial_interface_lookup ("hardwire"); | |
277 | } | |
c906108c SS |
278 | |
279 | if (!ops) | |
280 | return NULL; | |
281 | ||
00340e1b | 282 | scb = new_serial (ops); |
c906108c | 283 | |
5eb3b062 | 284 | scb->next = scb_base; |
5eb3b062 | 285 | scb_base = scb; |
c906108c | 286 | |
58f07bae PA |
287 | if ((ops->fdopen) != NULL) |
288 | (*ops->fdopen) (scb, fd); | |
289 | else | |
290 | scb->fd = fd; | |
291 | ||
c906108c SS |
292 | return scb; |
293 | } | |
294 | ||
58f07bae PA |
295 | struct serial * |
296 | serial_fdopen (const int fd) | |
297 | { | |
298 | return serial_fdopen_ops (fd, NULL); | |
299 | } | |
300 | ||
c2c6d25f | 301 | static void |
819cc324 | 302 | do_serial_close (struct serial *scb, int really_close) |
c906108c | 303 | { |
819cc324 | 304 | struct serial *tmp_scb; |
c906108c | 305 | |
c906108c SS |
306 | if (serial_logfp) |
307 | { | |
308 | fputs_unfiltered ("\nEnd of log\n", serial_logfp); | |
309 | serial_current_type = 0; | |
310 | ||
c378eb4e | 311 | /* XXX - What if serial_logfp == gdb_stdout or gdb_stderr? */ |
d7e74731 | 312 | delete serial_logfp; |
c906108c SS |
313 | serial_logfp = NULL; |
314 | } | |
315 | ||
c378eb4e | 316 | /* ensure that the FD has been taken out of async mode. */ |
c2c6d25f JM |
317 | if (scb->async_handler != NULL) |
318 | serial_async (scb, NULL, NULL); | |
319 | ||
c906108c SS |
320 | if (really_close) |
321 | scb->ops->close (scb); | |
322 | ||
ddefb60f PA |
323 | /* For serial_is_open. */ |
324 | scb->bufp = NULL; | |
325 | ||
5eb3b062 PA |
326 | if (scb_base == scb) |
327 | scb_base = scb_base->next; | |
328 | else | |
329 | for (tmp_scb = scb_base; tmp_scb; tmp_scb = tmp_scb->next) | |
330 | { | |
331 | if (tmp_scb->next != scb) | |
332 | continue; | |
333 | ||
334 | tmp_scb->next = tmp_scb->next->next; | |
335 | break; | |
336 | } | |
337 | ||
ddefb60f | 338 | serial_unref (scb); |
c906108c SS |
339 | } |
340 | ||
c2c6d25f | 341 | void |
819cc324 | 342 | serial_close (struct serial *scb) |
c2c6d25f JM |
343 | { |
344 | do_serial_close (scb, 1); | |
345 | } | |
346 | ||
347 | void | |
819cc324 | 348 | serial_un_fdopen (struct serial *scb) |
c2c6d25f JM |
349 | { |
350 | do_serial_close (scb, 0); | |
351 | } | |
352 | ||
ddefb60f PA |
353 | int |
354 | serial_is_open (struct serial *scb) | |
355 | { | |
356 | return scb->bufp != NULL; | |
357 | } | |
358 | ||
359 | void | |
360 | serial_ref (struct serial *scb) | |
361 | { | |
362 | scb->refcnt++; | |
363 | } | |
364 | ||
365 | void | |
366 | serial_unref (struct serial *scb) | |
367 | { | |
368 | --scb->refcnt; | |
369 | if (scb->refcnt == 0) | |
370 | xfree (scb); | |
371 | } | |
372 | ||
c2c6d25f | 373 | int |
819cc324 | 374 | serial_readchar (struct serial *scb, int timeout) |
c2c6d25f JM |
375 | { |
376 | int ch; | |
377 | ||
2df3850c | 378 | /* FIXME: cagney/1999-10-11: Don't enable this check until the ASYNC |
c378eb4e | 379 | code is finished. */ |
2cd58942 | 380 | if (0 && serial_is_async_p (scb) && timeout < 0) |
8e65ff28 | 381 | internal_error (__FILE__, __LINE__, |
e2e0b3e5 | 382 | _("serial_readchar: blocking read in async mode")); |
2df3850c | 383 | |
c2c6d25f JM |
384 | ch = scb->ops->readchar (scb, timeout); |
385 | if (serial_logfp != NULL) | |
386 | { | |
2acceee2 | 387 | serial_logchar (serial_logfp, 'r', ch, timeout); |
c2c6d25f JM |
388 | |
389 | /* Make sure that the log file is as up-to-date as possible, | |
c378eb4e | 390 | in case we are getting ready to dump core or something. */ |
c2c6d25f JM |
391 | gdb_flush (serial_logfp); |
392 | } | |
2cd58942 | 393 | if (serial_debug_p (scb)) |
2acceee2 JM |
394 | { |
395 | fprintf_unfiltered (gdb_stdlog, "["); | |
396 | serial_logchar (gdb_stdlog, 'r', ch, timeout); | |
397 | fprintf_unfiltered (gdb_stdlog, "]"); | |
398 | gdb_flush (gdb_stdlog); | |
399 | } | |
c2c6d25f JM |
400 | |
401 | return (ch); | |
402 | } | |
403 | ||
404 | int | |
c628b528 | 405 | serial_write (struct serial *scb, const void *buf, size_t count) |
c2c6d25f JM |
406 | { |
407 | if (serial_logfp != NULL) | |
408 | { | |
19ba03f4 | 409 | const char *str = (const char *) buf; |
c628b528 | 410 | size_t c; |
c2c6d25f | 411 | |
c628b528 PA |
412 | for (c = 0; c < count; c++) |
413 | serial_logchar (serial_logfp, 'w', str[c] & 0xff, 0); | |
c2c6d25f JM |
414 | |
415 | /* Make sure that the log file is as up-to-date as possible, | |
c378eb4e | 416 | in case we are getting ready to dump core or something. */ |
c2c6d25f JM |
417 | gdb_flush (serial_logfp); |
418 | } | |
9214d371 DE |
419 | if (serial_debug_p (scb)) |
420 | { | |
19ba03f4 | 421 | const char *str = (const char *) buf; |
c628b528 | 422 | size_t c; |
9214d371 | 423 | |
c628b528 | 424 | for (c = 0; c < count; c++) |
9214d371 DE |
425 | { |
426 | fprintf_unfiltered (gdb_stdlog, "["); | |
0e58ee40 | 427 | serial_logchar (gdb_stdlog, 'w', str[c] & 0xff, 0); |
9214d371 DE |
428 | fprintf_unfiltered (gdb_stdlog, "]"); |
429 | } | |
430 | gdb_flush (gdb_stdlog); | |
431 | } | |
c2c6d25f | 432 | |
c628b528 | 433 | return (scb->ops->write (scb, buf, count)); |
c2c6d25f JM |
434 | } |
435 | ||
436 | void | |
467dc1e2 | 437 | serial_printf (struct serial *desc, const char *format, ...) |
c2c6d25f JM |
438 | { |
439 | va_list args; | |
c2c6d25f JM |
440 | va_start (args, format); |
441 | ||
467dc1e2 SM |
442 | std::string buf = string_vprintf (format, args); |
443 | serial_write (desc, buf.c_str (), buf.length ()); | |
c2c6d25f | 444 | |
c2c6d25f JM |
445 | va_end (args); |
446 | } | |
447 | ||
448 | int | |
819cc324 | 449 | serial_drain_output (struct serial *scb) |
c2c6d25f JM |
450 | { |
451 | return scb->ops->drain_output (scb); | |
452 | } | |
453 | ||
454 | int | |
819cc324 | 455 | serial_flush_output (struct serial *scb) |
c2c6d25f JM |
456 | { |
457 | return scb->ops->flush_output (scb); | |
458 | } | |
459 | ||
460 | int | |
819cc324 | 461 | serial_flush_input (struct serial *scb) |
c2c6d25f JM |
462 | { |
463 | return scb->ops->flush_input (scb); | |
464 | } | |
465 | ||
466 | int | |
819cc324 | 467 | serial_send_break (struct serial *scb) |
c2c6d25f JM |
468 | { |
469 | if (serial_logfp != NULL) | |
2acceee2 | 470 | serial_logchar (serial_logfp, 'w', SERIAL_BREAK, 0); |
c2c6d25f JM |
471 | |
472 | return (scb->ops->send_break (scb)); | |
473 | } | |
474 | ||
475 | void | |
819cc324 | 476 | serial_raw (struct serial *scb) |
c2c6d25f JM |
477 | { |
478 | scb->ops->go_raw (scb); | |
479 | } | |
480 | ||
481 | serial_ttystate | |
819cc324 | 482 | serial_get_tty_state (struct serial *scb) |
c2c6d25f JM |
483 | { |
484 | return scb->ops->get_tty_state (scb); | |
485 | } | |
486 | ||
1e182ce8 UW |
487 | serial_ttystate |
488 | serial_copy_tty_state (struct serial *scb, serial_ttystate ttystate) | |
489 | { | |
490 | return scb->ops->copy_tty_state (scb, ttystate); | |
491 | } | |
492 | ||
c2c6d25f | 493 | int |
819cc324 | 494 | serial_set_tty_state (struct serial *scb, serial_ttystate ttystate) |
c2c6d25f JM |
495 | { |
496 | return scb->ops->set_tty_state (scb, ttystate); | |
497 | } | |
498 | ||
499 | void | |
819cc324 | 500 | serial_print_tty_state (struct serial *scb, |
c2c6d25f | 501 | serial_ttystate ttystate, |
d9fcf2fb | 502 | struct ui_file *stream) |
c2c6d25f JM |
503 | { |
504 | scb->ops->print_tty_state (scb, ttystate, stream); | |
505 | } | |
506 | ||
c2c6d25f | 507 | int |
819cc324 | 508 | serial_setbaudrate (struct serial *scb, int rate) |
c2c6d25f JM |
509 | { |
510 | return scb->ops->setbaudrate (scb, rate); | |
511 | } | |
512 | ||
513 | int | |
819cc324 | 514 | serial_setstopbits (struct serial *scb, int num) |
c2c6d25f JM |
515 | { |
516 | return scb->ops->setstopbits (scb, num); | |
517 | } | |
518 | ||
236af5e3 YG |
519 | /* See serial.h. */ |
520 | ||
521 | int | |
522 | serial_setparity (struct serial *scb, int parity) | |
523 | { | |
524 | return scb->ops->setparity (scb, parity); | |
525 | } | |
526 | ||
c2c6d25f | 527 | int |
819cc324 | 528 | serial_can_async_p (struct serial *scb) |
c2c6d25f JM |
529 | { |
530 | return (scb->ops->async != NULL); | |
531 | } | |
532 | ||
533 | int | |
819cc324 | 534 | serial_is_async_p (struct serial *scb) |
c2c6d25f JM |
535 | { |
536 | return (scb->ops->async != NULL) && (scb->async_handler != NULL); | |
537 | } | |
538 | ||
539 | void | |
819cc324 | 540 | serial_async (struct serial *scb, |
c2c6d25f JM |
541 | serial_event_ftype *handler, |
542 | void *context) | |
543 | { | |
05ce04a4 | 544 | int changed = ((scb->async_handler == NULL) != (handler == NULL)); |
433759f7 | 545 | |
c2c6d25f JM |
546 | scb->async_handler = handler; |
547 | scb->async_context = context; | |
05ce04a4 VP |
548 | /* Only change mode if there is a need. */ |
549 | if (changed) | |
550 | scb->ops->async (scb, handler != NULL); | |
c2c6d25f JM |
551 | } |
552 | ||
2acceee2 | 553 | void |
819cc324 | 554 | serial_debug (struct serial *scb, int debug_p) |
2acceee2 JM |
555 | { |
556 | scb->debug_p = debug_p; | |
557 | } | |
558 | ||
559 | int | |
819cc324 | 560 | serial_debug_p (struct serial *scb) |
2acceee2 JM |
561 | { |
562 | return scb->debug_p || global_serial_debug_p; | |
563 | } | |
564 | ||
0ea3f30e DJ |
565 | #ifdef USE_WIN32API |
566 | void | |
567 | serial_wait_handle (struct serial *scb, HANDLE *read, HANDLE *except) | |
568 | { | |
569 | if (scb->ops->wait_handle) | |
570 | scb->ops->wait_handle (scb, read, except); | |
571 | else | |
572 | { | |
573 | *read = (HANDLE) _get_osfhandle (scb->fd); | |
574 | *except = NULL; | |
575 | } | |
576 | } | |
c3e2b812 DJ |
577 | |
578 | void | |
579 | serial_done_wait_handle (struct serial *scb) | |
580 | { | |
581 | if (scb->ops->done_wait_handle) | |
582 | scb->ops->done_wait_handle (scb); | |
583 | } | |
0ea3f30e | 584 | #endif |
2acceee2 | 585 | |
58f07bae PA |
586 | int |
587 | serial_pipe (struct serial *scbs[2]) | |
588 | { | |
fcd488ca | 589 | const struct serial_ops *ops; |
58f07bae PA |
590 | int fildes[2]; |
591 | ||
592 | ops = serial_interface_lookup ("pipe"); | |
593 | if (!ops) | |
594 | { | |
595 | errno = ENOSYS; | |
596 | return -1; | |
597 | } | |
598 | ||
599 | if (gdb_pipe (fildes) == -1) | |
600 | return -1; | |
601 | ||
602 | scbs[0] = serial_fdopen_ops (fildes[0], ops); | |
603 | scbs[1] = serial_fdopen_ops (fildes[1], ops); | |
604 | return 0; | |
605 | } | |
606 | ||
e3abfe1d AC |
607 | /* Serial set/show framework. */ |
608 | ||
609 | static struct cmd_list_element *serial_set_cmdlist; | |
610 | static struct cmd_list_element *serial_show_cmdlist; | |
611 | ||
612 | static void | |
981a3fb3 | 613 | serial_set_cmd (const char *args, int from_tty) |
e3abfe1d | 614 | { |
3e43a32a MS |
615 | printf_unfiltered ("\"set serial\" must be followed " |
616 | "by the name of a command.\n"); | |
635c7e8a | 617 | help_list (serial_set_cmdlist, "set serial ", all_commands, gdb_stdout); |
e3abfe1d AC |
618 | } |
619 | ||
620 | static void | |
981a3fb3 | 621 | serial_show_cmd (const char *args, int from_tty) |
e3abfe1d AC |
622 | { |
623 | cmd_show_list (serial_show_cmdlist, from_tty, ""); | |
624 | } | |
625 | ||
0d12017b JB |
626 | /* Baud rate specified for talking to serial target systems. Default |
627 | is left as -1, so targets can choose their own defaults. */ | |
628 | /* FIXME: This means that "show serial baud" and gr_files_info can | |
629 | print -1 or (unsigned int)-1. This is a Bad User Interface. */ | |
630 | ||
631 | int baud_rate = -1; | |
632 | ||
633 | static void | |
634 | serial_baud_show_cmd (struct ui_file *file, int from_tty, | |
635 | struct cmd_list_element *c, const char *value) | |
636 | { | |
637 | fprintf_filtered (file, _("Baud rate for remote serial I/O is %s.\n"), | |
638 | value); | |
639 | } | |
e3abfe1d | 640 | |
236af5e3 YG |
641 | /* Parity for serial port. */ |
642 | ||
643 | int serial_parity = GDBPARITY_NONE; | |
644 | ||
645 | static const char parity_none[] = "none"; | |
646 | static const char parity_odd[] = "odd"; | |
647 | static const char parity_even[] = "even"; | |
648 | static const char *const parity_enums[] = | |
649 | {parity_none, parity_odd, parity_even, NULL}; | |
650 | static const char *parity = parity_none; | |
651 | ||
652 | /* Set serial_parity value. */ | |
653 | ||
654 | static void | |
eb4c3f4a | 655 | set_parity (const char *ignore_args, int from_tty, struct cmd_list_element *c) |
236af5e3 YG |
656 | { |
657 | if (parity == parity_odd) | |
658 | serial_parity = GDBPARITY_ODD; | |
659 | else if (parity == parity_even) | |
660 | serial_parity = GDBPARITY_EVEN; | |
661 | else | |
662 | serial_parity = GDBPARITY_NONE; | |
663 | } | |
664 | ||
c906108c | 665 | void |
c2c6d25f | 666 | _initialize_serial (void) |
c906108c SS |
667 | { |
668 | #if 0 | |
1bedd215 AC |
669 | add_com ("connect", class_obscure, connect_command, _("\ |
670 | Connect the terminal directly up to the command monitor.\n\ | |
671 | Use <CR>~. or <CR>~^D to break out.")); | |
c906108c SS |
672 | #endif /* 0 */ |
673 | ||
1bedd215 AC |
674 | add_prefix_cmd ("serial", class_maintenance, serial_set_cmd, _("\ |
675 | Set default serial/parallel port configuration."), | |
e3abfe1d AC |
676 | &serial_set_cmdlist, "set serial ", |
677 | 0/*allow-unknown*/, | |
678 | &setlist); | |
679 | ||
1bedd215 AC |
680 | add_prefix_cmd ("serial", class_maintenance, serial_show_cmd, _("\ |
681 | Show default serial/parallel port configuration."), | |
e3abfe1d AC |
682 | &serial_show_cmdlist, "show serial ", |
683 | 0/*allow-unknown*/, | |
684 | &showlist); | |
685 | ||
0d12017b JB |
686 | /* If target is open when baud changes, it doesn't take effect until |
687 | the next open (I think, not sure). */ | |
688 | add_setshow_zinteger_cmd ("baud", no_class, &baud_rate, _("\ | |
689 | Set baud rate for remote serial I/O."), _("\ | |
690 | Show baud rate for remote serial I/O."), _("\ | |
691 | This value is used to set the speed of the serial port when debugging\n\ | |
692 | using remote targets."), | |
693 | NULL, | |
694 | serial_baud_show_cmd, | |
695 | &serial_set_cmdlist, &serial_show_cmdlist); | |
696 | ||
236af5e3 YG |
697 | add_setshow_enum_cmd ("parity", no_class, parity_enums, |
698 | &parity, _("\ | |
699 | Set parity for remote serial I/O"), _("\ | |
700 | Show parity for remote serial I/O"), NULL, | |
701 | set_parity, | |
702 | NULL, /* FIXME: i18n: */ | |
703 | &serial_set_cmdlist, &serial_show_cmdlist); | |
704 | ||
f397e303 AC |
705 | add_setshow_filename_cmd ("remotelogfile", no_class, &serial_logfile, _("\ |
706 | Set filename for remote session recording."), _("\ | |
707 | Show filename for remote session recording."), _("\ | |
c906108c | 708 | This file is used to record the remote session for future playback\n\ |
f397e303 AC |
709 | by gdbserver."), |
710 | NULL, | |
711 | NULL, /* FIXME: i18n: */ | |
712 | &setlist, &showlist); | |
c906108c | 713 | |
7ab04401 AC |
714 | add_setshow_enum_cmd ("remotelogbase", no_class, logbase_enums, |
715 | &serial_logbase, _("\ | |
716 | Set numerical base for remote session logging"), _("\ | |
717 | Show numerical base for remote session logging"), NULL, | |
718 | NULL, | |
719 | NULL, /* FIXME: i18n: */ | |
720 | &setlist, &showlist); | |
2acceee2 | 721 | |
ccce17b0 YQ |
722 | add_setshow_zuinteger_cmd ("serial", class_maintenance, |
723 | &global_serial_debug_p, _("\ | |
85c07804 AC |
724 | Set serial debugging."), _("\ |
725 | Show serial debugging."), _("\ | |
726 | When non-zero, serial port debugging is enabled."), | |
ccce17b0 YQ |
727 | NULL, |
728 | NULL, /* FIXME: i18n: */ | |
729 | &setdebuglist, &showdebuglist); | |
c906108c | 730 | } |