Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Generic serial interface routines |
4fcf66da | 2 | |
42a4f53d | 3 | Copyright (C) 1992-2019 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. */ | |
431f22cc | 213 | else if (strchr (name, ':')) |
2821caf1 | 214 | ops = serial_interface_lookup ("tcp"); |
c906108c | 215 | else |
c1168a2f JD |
216 | { |
217 | #ifndef USE_WIN32API | |
218 | /* Check to see if name is a socket. If it is, then treat it | |
219 | as such. Otherwise assume that it's a character device. */ | |
220 | struct stat sb; | |
431f22cc | 221 | if (stat (name, &sb) == 0 && (sb.st_mode & S_IFMT) == S_IFSOCK) |
c1168a2f JD |
222 | ops = serial_interface_lookup ("local"); |
223 | else | |
224 | #endif | |
225 | ops = serial_interface_lookup ("hardwire"); | |
226 | } | |
c906108c SS |
227 | |
228 | if (!ops) | |
229 | return NULL; | |
230 | ||
00340e1b PA |
231 | return serial_open_ops_1 (ops, open_name); |
232 | } | |
c906108c | 233 | |
00340e1b | 234 | /* Open up a serial for OPS, passing OPEN_NAME to the open method. */ |
c906108c | 235 | |
00340e1b PA |
236 | static struct serial * |
237 | serial_open_ops_1 (const struct serial_ops *ops, const char *open_name) | |
238 | { | |
239 | struct serial *scb; | |
240 | ||
241 | scb = new_serial (ops); | |
c906108c | 242 | |
766062f6 | 243 | /* `...->open (...)' would get expanded by the open(2) syscall macro. */ |
652aaa24 | 244 | if ((*scb->ops->open) (scb, open_name)) |
c906108c | 245 | { |
b8c9b27d | 246 | xfree (scb); |
c906108c SS |
247 | return NULL; |
248 | } | |
249 | ||
5eb3b062 | 250 | scb->next = scb_base; |
5eb3b062 | 251 | scb_base = scb; |
c906108c SS |
252 | |
253 | if (serial_logfile != NULL) | |
254 | { | |
d7e74731 PA |
255 | stdio_file_up file (new stdio_file ()); |
256 | ||
257 | if (!file->open (serial_logfile, "w")) | |
c906108c | 258 | perror_with_name (serial_logfile); |
d7e74731 PA |
259 | |
260 | serial_logfp = file.release (); | |
c906108c SS |
261 | } |
262 | ||
263 | return scb; | |
264 | } | |
265 | ||
00340e1b PA |
266 | /* See serial.h. */ |
267 | ||
268 | struct serial * | |
269 | serial_open_ops (const struct serial_ops *ops) | |
270 | { | |
271 | return serial_open_ops_1 (ops, NULL); | |
272 | } | |
273 | ||
58f07bae PA |
274 | /* Open a new serial stream using a file handle, using serial |
275 | interface ops OPS. */ | |
276 | ||
277 | static struct serial * | |
fcd488ca | 278 | serial_fdopen_ops (const int fd, const struct serial_ops *ops) |
c906108c | 279 | { |
819cc324 | 280 | struct serial *scb; |
c906108c | 281 | |
0ea3f30e | 282 | if (!ops) |
58f07bae PA |
283 | { |
284 | ops = serial_interface_lookup ("terminal"); | |
285 | if (!ops) | |
286 | ops = serial_interface_lookup ("hardwire"); | |
287 | } | |
c906108c SS |
288 | |
289 | if (!ops) | |
290 | return NULL; | |
291 | ||
00340e1b | 292 | scb = new_serial (ops); |
c906108c | 293 | |
5eb3b062 | 294 | scb->next = scb_base; |
5eb3b062 | 295 | scb_base = scb; |
c906108c | 296 | |
58f07bae PA |
297 | if ((ops->fdopen) != NULL) |
298 | (*ops->fdopen) (scb, fd); | |
299 | else | |
300 | scb->fd = fd; | |
301 | ||
c906108c SS |
302 | return scb; |
303 | } | |
304 | ||
58f07bae PA |
305 | struct serial * |
306 | serial_fdopen (const int fd) | |
307 | { | |
308 | return serial_fdopen_ops (fd, NULL); | |
309 | } | |
310 | ||
c2c6d25f | 311 | static void |
819cc324 | 312 | do_serial_close (struct serial *scb, int really_close) |
c906108c | 313 | { |
819cc324 | 314 | struct serial *tmp_scb; |
c906108c | 315 | |
c906108c SS |
316 | if (serial_logfp) |
317 | { | |
318 | fputs_unfiltered ("\nEnd of log\n", serial_logfp); | |
319 | serial_current_type = 0; | |
320 | ||
c378eb4e | 321 | /* XXX - What if serial_logfp == gdb_stdout or gdb_stderr? */ |
d7e74731 | 322 | delete serial_logfp; |
c906108c SS |
323 | serial_logfp = NULL; |
324 | } | |
325 | ||
c378eb4e | 326 | /* ensure that the FD has been taken out of async mode. */ |
c2c6d25f JM |
327 | if (scb->async_handler != NULL) |
328 | serial_async (scb, NULL, NULL); | |
329 | ||
c906108c SS |
330 | if (really_close) |
331 | scb->ops->close (scb); | |
332 | ||
ddefb60f PA |
333 | /* For serial_is_open. */ |
334 | scb->bufp = NULL; | |
335 | ||
5eb3b062 PA |
336 | if (scb_base == scb) |
337 | scb_base = scb_base->next; | |
338 | else | |
339 | for (tmp_scb = scb_base; tmp_scb; tmp_scb = tmp_scb->next) | |
340 | { | |
341 | if (tmp_scb->next != scb) | |
342 | continue; | |
343 | ||
344 | tmp_scb->next = tmp_scb->next->next; | |
345 | break; | |
346 | } | |
347 | ||
ddefb60f | 348 | serial_unref (scb); |
c906108c SS |
349 | } |
350 | ||
c2c6d25f | 351 | void |
819cc324 | 352 | serial_close (struct serial *scb) |
c2c6d25f JM |
353 | { |
354 | do_serial_close (scb, 1); | |
355 | } | |
356 | ||
357 | void | |
819cc324 | 358 | serial_un_fdopen (struct serial *scb) |
c2c6d25f JM |
359 | { |
360 | do_serial_close (scb, 0); | |
361 | } | |
362 | ||
ddefb60f PA |
363 | int |
364 | serial_is_open (struct serial *scb) | |
365 | { | |
366 | return scb->bufp != NULL; | |
367 | } | |
368 | ||
369 | void | |
370 | serial_ref (struct serial *scb) | |
371 | { | |
372 | scb->refcnt++; | |
373 | } | |
374 | ||
375 | void | |
376 | serial_unref (struct serial *scb) | |
377 | { | |
378 | --scb->refcnt; | |
379 | if (scb->refcnt == 0) | |
380 | xfree (scb); | |
381 | } | |
382 | ||
c2c6d25f | 383 | int |
819cc324 | 384 | serial_readchar (struct serial *scb, int timeout) |
c2c6d25f JM |
385 | { |
386 | int ch; | |
387 | ||
2df3850c | 388 | /* FIXME: cagney/1999-10-11: Don't enable this check until the ASYNC |
c378eb4e | 389 | code is finished. */ |
2cd58942 | 390 | if (0 && serial_is_async_p (scb) && timeout < 0) |
8e65ff28 | 391 | internal_error (__FILE__, __LINE__, |
e2e0b3e5 | 392 | _("serial_readchar: blocking read in async mode")); |
2df3850c | 393 | |
c2c6d25f JM |
394 | ch = scb->ops->readchar (scb, timeout); |
395 | if (serial_logfp != NULL) | |
396 | { | |
2acceee2 | 397 | serial_logchar (serial_logfp, 'r', ch, timeout); |
c2c6d25f JM |
398 | |
399 | /* Make sure that the log file is as up-to-date as possible, | |
c378eb4e | 400 | in case we are getting ready to dump core or something. */ |
c2c6d25f JM |
401 | gdb_flush (serial_logfp); |
402 | } | |
2cd58942 | 403 | if (serial_debug_p (scb)) |
2acceee2 JM |
404 | { |
405 | fprintf_unfiltered (gdb_stdlog, "["); | |
406 | serial_logchar (gdb_stdlog, 'r', ch, timeout); | |
407 | fprintf_unfiltered (gdb_stdlog, "]"); | |
408 | gdb_flush (gdb_stdlog); | |
409 | } | |
c2c6d25f JM |
410 | |
411 | return (ch); | |
412 | } | |
413 | ||
414 | int | |
c628b528 | 415 | serial_write (struct serial *scb, const void *buf, size_t count) |
c2c6d25f JM |
416 | { |
417 | if (serial_logfp != NULL) | |
418 | { | |
19ba03f4 | 419 | const char *str = (const char *) buf; |
c628b528 | 420 | size_t c; |
c2c6d25f | 421 | |
c628b528 PA |
422 | for (c = 0; c < count; c++) |
423 | serial_logchar (serial_logfp, 'w', str[c] & 0xff, 0); | |
c2c6d25f JM |
424 | |
425 | /* Make sure that the log file is as up-to-date as possible, | |
c378eb4e | 426 | in case we are getting ready to dump core or something. */ |
c2c6d25f JM |
427 | gdb_flush (serial_logfp); |
428 | } | |
9214d371 DE |
429 | if (serial_debug_p (scb)) |
430 | { | |
19ba03f4 | 431 | const char *str = (const char *) buf; |
c628b528 | 432 | size_t c; |
9214d371 | 433 | |
c628b528 | 434 | for (c = 0; c < count; c++) |
9214d371 DE |
435 | { |
436 | fprintf_unfiltered (gdb_stdlog, "["); | |
0e58ee40 | 437 | serial_logchar (gdb_stdlog, 'w', str[c] & 0xff, 0); |
9214d371 DE |
438 | fprintf_unfiltered (gdb_stdlog, "]"); |
439 | } | |
440 | gdb_flush (gdb_stdlog); | |
441 | } | |
c2c6d25f | 442 | |
c628b528 | 443 | return (scb->ops->write (scb, buf, count)); |
c2c6d25f JM |
444 | } |
445 | ||
446 | void | |
467dc1e2 | 447 | serial_printf (struct serial *desc, const char *format, ...) |
c2c6d25f JM |
448 | { |
449 | va_list args; | |
c2c6d25f JM |
450 | va_start (args, format); |
451 | ||
467dc1e2 SM |
452 | std::string buf = string_vprintf (format, args); |
453 | serial_write (desc, buf.c_str (), buf.length ()); | |
c2c6d25f | 454 | |
c2c6d25f JM |
455 | va_end (args); |
456 | } | |
457 | ||
458 | int | |
819cc324 | 459 | serial_drain_output (struct serial *scb) |
c2c6d25f JM |
460 | { |
461 | return scb->ops->drain_output (scb); | |
462 | } | |
463 | ||
464 | int | |
819cc324 | 465 | serial_flush_output (struct serial *scb) |
c2c6d25f JM |
466 | { |
467 | return scb->ops->flush_output (scb); | |
468 | } | |
469 | ||
470 | int | |
819cc324 | 471 | serial_flush_input (struct serial *scb) |
c2c6d25f JM |
472 | { |
473 | return scb->ops->flush_input (scb); | |
474 | } | |
475 | ||
476 | int | |
819cc324 | 477 | serial_send_break (struct serial *scb) |
c2c6d25f JM |
478 | { |
479 | if (serial_logfp != NULL) | |
2acceee2 | 480 | serial_logchar (serial_logfp, 'w', SERIAL_BREAK, 0); |
c2c6d25f JM |
481 | |
482 | return (scb->ops->send_break (scb)); | |
483 | } | |
484 | ||
485 | void | |
819cc324 | 486 | serial_raw (struct serial *scb) |
c2c6d25f JM |
487 | { |
488 | scb->ops->go_raw (scb); | |
489 | } | |
490 | ||
491 | serial_ttystate | |
819cc324 | 492 | serial_get_tty_state (struct serial *scb) |
c2c6d25f JM |
493 | { |
494 | return scb->ops->get_tty_state (scb); | |
495 | } | |
496 | ||
1e182ce8 UW |
497 | serial_ttystate |
498 | serial_copy_tty_state (struct serial *scb, serial_ttystate ttystate) | |
499 | { | |
500 | return scb->ops->copy_tty_state (scb, ttystate); | |
501 | } | |
502 | ||
c2c6d25f | 503 | int |
819cc324 | 504 | serial_set_tty_state (struct serial *scb, serial_ttystate ttystate) |
c2c6d25f JM |
505 | { |
506 | return scb->ops->set_tty_state (scb, ttystate); | |
507 | } | |
508 | ||
509 | void | |
819cc324 | 510 | serial_print_tty_state (struct serial *scb, |
c2c6d25f | 511 | serial_ttystate ttystate, |
d9fcf2fb | 512 | struct ui_file *stream) |
c2c6d25f JM |
513 | { |
514 | scb->ops->print_tty_state (scb, ttystate, stream); | |
515 | } | |
516 | ||
c2c6d25f | 517 | int |
819cc324 | 518 | serial_setbaudrate (struct serial *scb, int rate) |
c2c6d25f JM |
519 | { |
520 | return scb->ops->setbaudrate (scb, rate); | |
521 | } | |
522 | ||
523 | int | |
819cc324 | 524 | serial_setstopbits (struct serial *scb, int num) |
c2c6d25f JM |
525 | { |
526 | return scb->ops->setstopbits (scb, num); | |
527 | } | |
528 | ||
236af5e3 YG |
529 | /* See serial.h. */ |
530 | ||
531 | int | |
532 | serial_setparity (struct serial *scb, int parity) | |
533 | { | |
534 | return scb->ops->setparity (scb, parity); | |
535 | } | |
536 | ||
c2c6d25f | 537 | int |
819cc324 | 538 | serial_can_async_p (struct serial *scb) |
c2c6d25f JM |
539 | { |
540 | return (scb->ops->async != NULL); | |
541 | } | |
542 | ||
543 | int | |
819cc324 | 544 | serial_is_async_p (struct serial *scb) |
c2c6d25f JM |
545 | { |
546 | return (scb->ops->async != NULL) && (scb->async_handler != NULL); | |
547 | } | |
548 | ||
549 | void | |
819cc324 | 550 | serial_async (struct serial *scb, |
c2c6d25f JM |
551 | serial_event_ftype *handler, |
552 | void *context) | |
553 | { | |
05ce04a4 | 554 | int changed = ((scb->async_handler == NULL) != (handler == NULL)); |
433759f7 | 555 | |
c2c6d25f JM |
556 | scb->async_handler = handler; |
557 | scb->async_context = context; | |
05ce04a4 VP |
558 | /* Only change mode if there is a need. */ |
559 | if (changed) | |
560 | scb->ops->async (scb, handler != NULL); | |
c2c6d25f JM |
561 | } |
562 | ||
2acceee2 | 563 | void |
819cc324 | 564 | serial_debug (struct serial *scb, int debug_p) |
2acceee2 JM |
565 | { |
566 | scb->debug_p = debug_p; | |
567 | } | |
568 | ||
569 | int | |
819cc324 | 570 | serial_debug_p (struct serial *scb) |
2acceee2 JM |
571 | { |
572 | return scb->debug_p || global_serial_debug_p; | |
573 | } | |
574 | ||
0ea3f30e DJ |
575 | #ifdef USE_WIN32API |
576 | void | |
577 | serial_wait_handle (struct serial *scb, HANDLE *read, HANDLE *except) | |
578 | { | |
579 | if (scb->ops->wait_handle) | |
580 | scb->ops->wait_handle (scb, read, except); | |
581 | else | |
582 | { | |
583 | *read = (HANDLE) _get_osfhandle (scb->fd); | |
584 | *except = NULL; | |
585 | } | |
586 | } | |
c3e2b812 DJ |
587 | |
588 | void | |
589 | serial_done_wait_handle (struct serial *scb) | |
590 | { | |
591 | if (scb->ops->done_wait_handle) | |
592 | scb->ops->done_wait_handle (scb); | |
593 | } | |
0ea3f30e | 594 | #endif |
2acceee2 | 595 | |
58f07bae PA |
596 | int |
597 | serial_pipe (struct serial *scbs[2]) | |
598 | { | |
fcd488ca | 599 | const struct serial_ops *ops; |
58f07bae PA |
600 | int fildes[2]; |
601 | ||
602 | ops = serial_interface_lookup ("pipe"); | |
603 | if (!ops) | |
604 | { | |
605 | errno = ENOSYS; | |
606 | return -1; | |
607 | } | |
608 | ||
609 | if (gdb_pipe (fildes) == -1) | |
610 | return -1; | |
611 | ||
612 | scbs[0] = serial_fdopen_ops (fildes[0], ops); | |
613 | scbs[1] = serial_fdopen_ops (fildes[1], ops); | |
614 | return 0; | |
615 | } | |
616 | ||
e3abfe1d AC |
617 | /* Serial set/show framework. */ |
618 | ||
619 | static struct cmd_list_element *serial_set_cmdlist; | |
620 | static struct cmd_list_element *serial_show_cmdlist; | |
621 | ||
622 | static void | |
981a3fb3 | 623 | serial_set_cmd (const char *args, int from_tty) |
e3abfe1d | 624 | { |
3e43a32a MS |
625 | printf_unfiltered ("\"set serial\" must be followed " |
626 | "by the name of a command.\n"); | |
635c7e8a | 627 | help_list (serial_set_cmdlist, "set serial ", all_commands, gdb_stdout); |
e3abfe1d AC |
628 | } |
629 | ||
630 | static void | |
981a3fb3 | 631 | serial_show_cmd (const char *args, int from_tty) |
e3abfe1d AC |
632 | { |
633 | cmd_show_list (serial_show_cmdlist, from_tty, ""); | |
634 | } | |
635 | ||
0d12017b JB |
636 | /* Baud rate specified for talking to serial target systems. Default |
637 | is left as -1, so targets can choose their own defaults. */ | |
638 | /* FIXME: This means that "show serial baud" and gr_files_info can | |
639 | print -1 or (unsigned int)-1. This is a Bad User Interface. */ | |
640 | ||
641 | int baud_rate = -1; | |
642 | ||
643 | static void | |
644 | serial_baud_show_cmd (struct ui_file *file, int from_tty, | |
645 | struct cmd_list_element *c, const char *value) | |
646 | { | |
647 | fprintf_filtered (file, _("Baud rate for remote serial I/O is %s.\n"), | |
648 | value); | |
649 | } | |
e3abfe1d | 650 | |
236af5e3 YG |
651 | /* Parity for serial port. */ |
652 | ||
653 | int serial_parity = GDBPARITY_NONE; | |
654 | ||
655 | static const char parity_none[] = "none"; | |
656 | static const char parity_odd[] = "odd"; | |
657 | static const char parity_even[] = "even"; | |
658 | static const char *const parity_enums[] = | |
659 | {parity_none, parity_odd, parity_even, NULL}; | |
660 | static const char *parity = parity_none; | |
661 | ||
662 | /* Set serial_parity value. */ | |
663 | ||
664 | static void | |
eb4c3f4a | 665 | set_parity (const char *ignore_args, int from_tty, struct cmd_list_element *c) |
236af5e3 YG |
666 | { |
667 | if (parity == parity_odd) | |
668 | serial_parity = GDBPARITY_ODD; | |
669 | else if (parity == parity_even) | |
670 | serial_parity = GDBPARITY_EVEN; | |
671 | else | |
672 | serial_parity = GDBPARITY_NONE; | |
673 | } | |
674 | ||
c906108c | 675 | void |
c2c6d25f | 676 | _initialize_serial (void) |
c906108c SS |
677 | { |
678 | #if 0 | |
1bedd215 AC |
679 | add_com ("connect", class_obscure, connect_command, _("\ |
680 | Connect the terminal directly up to the command monitor.\n\ | |
681 | Use <CR>~. or <CR>~^D to break out.")); | |
c906108c SS |
682 | #endif /* 0 */ |
683 | ||
1bedd215 AC |
684 | add_prefix_cmd ("serial", class_maintenance, serial_set_cmd, _("\ |
685 | Set default serial/parallel port configuration."), | |
e3abfe1d AC |
686 | &serial_set_cmdlist, "set serial ", |
687 | 0/*allow-unknown*/, | |
688 | &setlist); | |
689 | ||
1bedd215 AC |
690 | add_prefix_cmd ("serial", class_maintenance, serial_show_cmd, _("\ |
691 | Show default serial/parallel port configuration."), | |
e3abfe1d AC |
692 | &serial_show_cmdlist, "show serial ", |
693 | 0/*allow-unknown*/, | |
694 | &showlist); | |
695 | ||
0d12017b JB |
696 | /* If target is open when baud changes, it doesn't take effect until |
697 | the next open (I think, not sure). */ | |
698 | add_setshow_zinteger_cmd ("baud", no_class, &baud_rate, _("\ | |
699 | Set baud rate for remote serial I/O."), _("\ | |
700 | Show baud rate for remote serial I/O."), _("\ | |
701 | This value is used to set the speed of the serial port when debugging\n\ | |
702 | using remote targets."), | |
703 | NULL, | |
704 | serial_baud_show_cmd, | |
705 | &serial_set_cmdlist, &serial_show_cmdlist); | |
706 | ||
236af5e3 YG |
707 | add_setshow_enum_cmd ("parity", no_class, parity_enums, |
708 | &parity, _("\ | |
709 | Set parity for remote serial I/O"), _("\ | |
710 | Show parity for remote serial I/O"), NULL, | |
711 | set_parity, | |
712 | NULL, /* FIXME: i18n: */ | |
713 | &serial_set_cmdlist, &serial_show_cmdlist); | |
714 | ||
f397e303 AC |
715 | add_setshow_filename_cmd ("remotelogfile", no_class, &serial_logfile, _("\ |
716 | Set filename for remote session recording."), _("\ | |
717 | Show filename for remote session recording."), _("\ | |
c906108c | 718 | This file is used to record the remote session for future playback\n\ |
f397e303 AC |
719 | by gdbserver."), |
720 | NULL, | |
721 | NULL, /* FIXME: i18n: */ | |
722 | &setlist, &showlist); | |
c906108c | 723 | |
7ab04401 AC |
724 | add_setshow_enum_cmd ("remotelogbase", no_class, logbase_enums, |
725 | &serial_logbase, _("\ | |
726 | Set numerical base for remote session logging"), _("\ | |
727 | Show numerical base for remote session logging"), NULL, | |
728 | NULL, | |
729 | NULL, /* FIXME: i18n: */ | |
730 | &setlist, &showlist); | |
2acceee2 | 731 | |
ccce17b0 YQ |
732 | add_setshow_zuinteger_cmd ("serial", class_maintenance, |
733 | &global_serial_debug_p, _("\ | |
85c07804 AC |
734 | Set serial debugging."), _("\ |
735 | Show serial debugging."), _("\ | |
736 | When non-zero, serial port debugging is enabled."), | |
ccce17b0 YQ |
737 | NULL, |
738 | NULL, /* FIXME: i18n: */ | |
739 | &setdebuglist, &showdebuglist); | |
c906108c | 740 | } |