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 | typedef const struct serial_ops *serial_ops_p; |
31 | DEF_VEC_P (serial_ops_p); | |
c906108c | 32 | |
fcd488ca TT |
33 | /* Serial I/O handlers. */ |
34 | ||
35 | VEC (serial_ops_p) *serial_ops_list = NULL; | |
c906108c | 36 | |
5eb3b062 PA |
37 | /* Pointer to list of scb's. */ |
38 | ||
39 | static struct serial *scb_base; | |
40 | ||
c906108c | 41 | /* Non-NULL gives filename which contains a recording of the remote session, |
c378eb4e | 42 | suitable for playback by gdbserver. */ |
c906108c SS |
43 | |
44 | static char *serial_logfile = NULL; | |
d9fcf2fb | 45 | static struct ui_file *serial_logfp = NULL; |
c906108c | 46 | |
fcd488ca | 47 | static const struct serial_ops *serial_interface_lookup (const char *); |
3e43a32a MS |
48 | static void serial_logchar (struct ui_file *stream, |
49 | int ch_type, int ch, int timeout); | |
53904c9e AC |
50 | static const char logbase_hex[] = "hex"; |
51 | static const char logbase_octal[] = "octal"; | |
52 | static const char logbase_ascii[] = "ascii"; | |
40478521 | 53 | static const char *const logbase_enums[] = |
c5aa993b | 54 | {logbase_hex, logbase_octal, logbase_ascii, NULL}; |
53904c9e | 55 | static const char *serial_logbase = logbase_ascii; |
c906108c | 56 | \f |
c5aa993b | 57 | |
c906108c SS |
58 | static int serial_current_type = 0; |
59 | ||
c378eb4e | 60 | /* Log char CH of type CHTYPE, with TIMEOUT. */ |
c906108c SS |
61 | |
62 | /* Define bogus char to represent a BREAK. Should be careful to choose a value | |
63 | that can't be confused with a normal char, or an error code. */ | |
64 | #define SERIAL_BREAK 1235 | |
65 | ||
66 | static void | |
d9fcf2fb | 67 | serial_logchar (struct ui_file *stream, int ch_type, int ch, int timeout) |
c906108c SS |
68 | { |
69 | if (ch_type != serial_current_type) | |
70 | { | |
2acceee2 | 71 | fprintf_unfiltered (stream, "\n%c ", ch_type); |
c906108c SS |
72 | serial_current_type = ch_type; |
73 | } | |
74 | ||
75 | if (serial_logbase != logbase_ascii) | |
2acceee2 | 76 | fputc_unfiltered (' ', stream); |
c906108c SS |
77 | |
78 | switch (ch) | |
79 | { | |
80 | case SERIAL_TIMEOUT: | |
2acceee2 | 81 | fprintf_unfiltered (stream, "<Timeout: %d seconds>", timeout); |
c906108c SS |
82 | return; |
83 | case SERIAL_ERROR: | |
2acceee2 | 84 | fprintf_unfiltered (stream, "<Error: %s>", safe_strerror (errno)); |
c906108c SS |
85 | return; |
86 | case SERIAL_EOF: | |
2acceee2 | 87 | fputs_unfiltered ("<Eof>", stream); |
c906108c SS |
88 | return; |
89 | case SERIAL_BREAK: | |
2acceee2 | 90 | fputs_unfiltered ("<Break>", stream); |
c906108c SS |
91 | return; |
92 | default: | |
93 | if (serial_logbase == logbase_hex) | |
2acceee2 | 94 | fprintf_unfiltered (stream, "%02x", ch & 0xff); |
c906108c | 95 | else if (serial_logbase == logbase_octal) |
2acceee2 | 96 | fprintf_unfiltered (stream, "%03o", ch & 0xff); |
c906108c SS |
97 | else |
98 | switch (ch) | |
99 | { | |
c5aa993b | 100 | case '\\': |
2acceee2 | 101 | fputs_unfiltered ("\\\\", stream); |
c5aa993b JM |
102 | break; |
103 | case '\b': | |
2acceee2 | 104 | fputs_unfiltered ("\\b", stream); |
c5aa993b JM |
105 | break; |
106 | case '\f': | |
2acceee2 | 107 | fputs_unfiltered ("\\f", stream); |
c5aa993b JM |
108 | break; |
109 | case '\n': | |
2acceee2 | 110 | fputs_unfiltered ("\\n", stream); |
c5aa993b JM |
111 | break; |
112 | case '\r': | |
2acceee2 | 113 | fputs_unfiltered ("\\r", stream); |
c5aa993b JM |
114 | break; |
115 | case '\t': | |
2acceee2 | 116 | fputs_unfiltered ("\\t", stream); |
c5aa993b JM |
117 | break; |
118 | case '\v': | |
2acceee2 | 119 | fputs_unfiltered ("\\v", stream); |
c5aa993b JM |
120 | break; |
121 | default: | |
3e43a32a MS |
122 | fprintf_unfiltered (stream, |
123 | isprint (ch) ? "%c" : "\\x%02x", ch & 0xFF); | |
c5aa993b | 124 | break; |
c906108c SS |
125 | } |
126 | } | |
127 | } | |
128 | ||
129 | void | |
4ab76ea3 | 130 | serial_log_command (struct target_ops *self, const char *cmd) |
c906108c SS |
131 | { |
132 | if (!serial_logfp) | |
133 | return; | |
134 | ||
135 | serial_current_type = 'c'; | |
136 | ||
137 | fputs_unfiltered ("\nc ", serial_logfp); | |
138 | fputs_unfiltered (cmd, serial_logfp); | |
139 | ||
140 | /* Make sure that the log file is as up-to-date as possible, | |
c378eb4e | 141 | in case we are getting ready to dump core or something. */ |
c906108c SS |
142 | gdb_flush (serial_logfp); |
143 | } | |
144 | ||
c2c6d25f | 145 | \f |
fcd488ca | 146 | static const struct serial_ops * |
58f07bae | 147 | serial_interface_lookup (const char *name) |
c906108c | 148 | { |
fcd488ca TT |
149 | const struct serial_ops *ops; |
150 | int i; | |
c906108c | 151 | |
fcd488ca | 152 | for (i = 0; VEC_iterate (serial_ops_p, serial_ops_list, i, ops); ++i) |
c906108c SS |
153 | if (strcmp (name, ops->name) == 0) |
154 | return ops; | |
155 | ||
156 | return NULL; | |
157 | } | |
158 | ||
159 | void | |
fcd488ca | 160 | serial_add_interface (const struct serial_ops *optable) |
c906108c | 161 | { |
fcd488ca | 162 | VEC_safe_push (serial_ops_p, serial_ops_list, optable); |
c906108c SS |
163 | } |
164 | ||
5eb3b062 PA |
165 | /* Return the open serial device for FD, if found, or NULL if FD is |
166 | not already opened. */ | |
167 | ||
168 | struct serial * | |
169 | serial_for_fd (int fd) | |
170 | { | |
171 | struct serial *scb; | |
172 | ||
173 | for (scb = scb_base; scb; scb = scb->next) | |
174 | if (scb->fd == fd) | |
175 | return scb; | |
176 | ||
177 | return NULL; | |
178 | } | |
179 | ||
00340e1b PA |
180 | /* Create a new serial for OPS. */ |
181 | ||
182 | static struct serial * | |
183 | new_serial (const struct serial_ops *ops) | |
184 | { | |
185 | struct serial *scb; | |
186 | ||
187 | scb = XCNEW (struct serial); | |
188 | ||
189 | scb->ops = ops; | |
190 | ||
191 | scb->bufp = scb->buf; | |
192 | scb->error_fd = -1; | |
193 | scb->refcnt = 1; | |
194 | ||
195 | return scb; | |
196 | } | |
197 | ||
198 | static struct serial *serial_open_ops_1 (const struct serial_ops *ops, | |
199 | const char *open_name); | |
200 | ||
c378eb4e | 201 | /* Open up a device or a network socket, depending upon the syntax of NAME. */ |
c906108c | 202 | |
819cc324 | 203 | struct serial * |
c2c6d25f | 204 | serial_open (const char *name) |
c906108c | 205 | { |
fcd488ca | 206 | const struct serial_ops *ops; |
c2c6d25f | 207 | const char *open_name = name; |
c906108c | 208 | |
ca1ca08b | 209 | if (startswith (name, "|")) |
c2c6d25f JM |
210 | { |
211 | ops = serial_interface_lookup ("pipe"); | |
8b9e3a15 VP |
212 | /* Discard ``|'' and any space before the command itself. */ |
213 | ++open_name; | |
f1735a53 | 214 | open_name = skip_spaces (open_name); |
c2c6d25f | 215 | } |
2821caf1 JB |
216 | /* Check for a colon, suggesting an IP address/port pair. |
217 | Do this *after* checking for all the interesting prefixes. We | |
218 | don't want to constrain the syntax of what can follow them. */ | |
219 | else if (strchr (name, ':')) | |
220 | ops = serial_interface_lookup ("tcp"); | |
c906108c SS |
221 | else |
222 | ops = serial_interface_lookup ("hardwire"); | |
223 | ||
224 | if (!ops) | |
225 | return NULL; | |
226 | ||
00340e1b PA |
227 | return serial_open_ops_1 (ops, open_name); |
228 | } | |
c906108c | 229 | |
00340e1b | 230 | /* Open up a serial for OPS, passing OPEN_NAME to the open method. */ |
c906108c | 231 | |
00340e1b PA |
232 | static struct serial * |
233 | serial_open_ops_1 (const struct serial_ops *ops, const char *open_name) | |
234 | { | |
235 | struct serial *scb; | |
236 | ||
237 | scb = new_serial (ops); | |
c906108c | 238 | |
766062f6 | 239 | /* `...->open (...)' would get expanded by the open(2) syscall macro. */ |
652aaa24 | 240 | if ((*scb->ops->open) (scb, open_name)) |
c906108c | 241 | { |
b8c9b27d | 242 | xfree (scb); |
c906108c SS |
243 | return NULL; |
244 | } | |
245 | ||
5eb3b062 | 246 | scb->next = scb_base; |
5eb3b062 | 247 | scb_base = scb; |
c906108c SS |
248 | |
249 | if (serial_logfile != NULL) | |
250 | { | |
d7e74731 PA |
251 | stdio_file_up file (new stdio_file ()); |
252 | ||
253 | if (!file->open (serial_logfile, "w")) | |
c906108c | 254 | perror_with_name (serial_logfile); |
d7e74731 PA |
255 | |
256 | serial_logfp = file.release (); | |
c906108c SS |
257 | } |
258 | ||
259 | return scb; | |
260 | } | |
261 | ||
00340e1b PA |
262 | /* See serial.h. */ |
263 | ||
264 | struct serial * | |
265 | serial_open_ops (const struct serial_ops *ops) | |
266 | { | |
267 | return serial_open_ops_1 (ops, NULL); | |
268 | } | |
269 | ||
58f07bae PA |
270 | /* Open a new serial stream using a file handle, using serial |
271 | interface ops OPS. */ | |
272 | ||
273 | static struct serial * | |
fcd488ca | 274 | serial_fdopen_ops (const int fd, const struct serial_ops *ops) |
c906108c | 275 | { |
819cc324 | 276 | struct serial *scb; |
c906108c | 277 | |
0ea3f30e | 278 | if (!ops) |
58f07bae PA |
279 | { |
280 | ops = serial_interface_lookup ("terminal"); | |
281 | if (!ops) | |
282 | ops = serial_interface_lookup ("hardwire"); | |
283 | } | |
c906108c SS |
284 | |
285 | if (!ops) | |
286 | return NULL; | |
287 | ||
00340e1b | 288 | scb = new_serial (ops); |
c906108c | 289 | |
5eb3b062 | 290 | scb->next = scb_base; |
5eb3b062 | 291 | scb_base = scb; |
c906108c | 292 | |
58f07bae PA |
293 | if ((ops->fdopen) != NULL) |
294 | (*ops->fdopen) (scb, fd); | |
295 | else | |
296 | scb->fd = fd; | |
297 | ||
c906108c SS |
298 | return scb; |
299 | } | |
300 | ||
58f07bae PA |
301 | struct serial * |
302 | serial_fdopen (const int fd) | |
303 | { | |
304 | return serial_fdopen_ops (fd, NULL); | |
305 | } | |
306 | ||
c2c6d25f | 307 | static void |
819cc324 | 308 | do_serial_close (struct serial *scb, int really_close) |
c906108c | 309 | { |
819cc324 | 310 | struct serial *tmp_scb; |
c906108c | 311 | |
c906108c SS |
312 | if (serial_logfp) |
313 | { | |
314 | fputs_unfiltered ("\nEnd of log\n", serial_logfp); | |
315 | serial_current_type = 0; | |
316 | ||
c378eb4e | 317 | /* XXX - What if serial_logfp == gdb_stdout or gdb_stderr? */ |
d7e74731 | 318 | delete serial_logfp; |
c906108c SS |
319 | serial_logfp = NULL; |
320 | } | |
321 | ||
c378eb4e | 322 | /* ensure that the FD has been taken out of async mode. */ |
c2c6d25f JM |
323 | if (scb->async_handler != NULL) |
324 | serial_async (scb, NULL, NULL); | |
325 | ||
c906108c SS |
326 | if (really_close) |
327 | scb->ops->close (scb); | |
328 | ||
ddefb60f PA |
329 | /* For serial_is_open. */ |
330 | scb->bufp = NULL; | |
331 | ||
5eb3b062 PA |
332 | if (scb_base == scb) |
333 | scb_base = scb_base->next; | |
334 | else | |
335 | for (tmp_scb = scb_base; tmp_scb; tmp_scb = tmp_scb->next) | |
336 | { | |
337 | if (tmp_scb->next != scb) | |
338 | continue; | |
339 | ||
340 | tmp_scb->next = tmp_scb->next->next; | |
341 | break; | |
342 | } | |
343 | ||
ddefb60f | 344 | serial_unref (scb); |
c906108c SS |
345 | } |
346 | ||
c2c6d25f | 347 | void |
819cc324 | 348 | serial_close (struct serial *scb) |
c2c6d25f JM |
349 | { |
350 | do_serial_close (scb, 1); | |
351 | } | |
352 | ||
353 | void | |
819cc324 | 354 | serial_un_fdopen (struct serial *scb) |
c2c6d25f JM |
355 | { |
356 | do_serial_close (scb, 0); | |
357 | } | |
358 | ||
ddefb60f PA |
359 | int |
360 | serial_is_open (struct serial *scb) | |
361 | { | |
362 | return scb->bufp != NULL; | |
363 | } | |
364 | ||
365 | void | |
366 | serial_ref (struct serial *scb) | |
367 | { | |
368 | scb->refcnt++; | |
369 | } | |
370 | ||
371 | void | |
372 | serial_unref (struct serial *scb) | |
373 | { | |
374 | --scb->refcnt; | |
375 | if (scb->refcnt == 0) | |
376 | xfree (scb); | |
377 | } | |
378 | ||
c2c6d25f | 379 | int |
819cc324 | 380 | serial_readchar (struct serial *scb, int timeout) |
c2c6d25f JM |
381 | { |
382 | int ch; | |
383 | ||
2df3850c | 384 | /* FIXME: cagney/1999-10-11: Don't enable this check until the ASYNC |
c378eb4e | 385 | code is finished. */ |
2cd58942 | 386 | if (0 && serial_is_async_p (scb) && timeout < 0) |
8e65ff28 | 387 | internal_error (__FILE__, __LINE__, |
e2e0b3e5 | 388 | _("serial_readchar: blocking read in async mode")); |
2df3850c | 389 | |
c2c6d25f JM |
390 | ch = scb->ops->readchar (scb, timeout); |
391 | if (serial_logfp != NULL) | |
392 | { | |
2acceee2 | 393 | serial_logchar (serial_logfp, 'r', ch, timeout); |
c2c6d25f JM |
394 | |
395 | /* Make sure that the log file is as up-to-date as possible, | |
c378eb4e | 396 | in case we are getting ready to dump core or something. */ |
c2c6d25f JM |
397 | gdb_flush (serial_logfp); |
398 | } | |
2cd58942 | 399 | if (serial_debug_p (scb)) |
2acceee2 JM |
400 | { |
401 | fprintf_unfiltered (gdb_stdlog, "["); | |
402 | serial_logchar (gdb_stdlog, 'r', ch, timeout); | |
403 | fprintf_unfiltered (gdb_stdlog, "]"); | |
404 | gdb_flush (gdb_stdlog); | |
405 | } | |
c2c6d25f JM |
406 | |
407 | return (ch); | |
408 | } | |
409 | ||
410 | int | |
c628b528 | 411 | serial_write (struct serial *scb, const void *buf, size_t count) |
c2c6d25f JM |
412 | { |
413 | if (serial_logfp != NULL) | |
414 | { | |
19ba03f4 | 415 | const char *str = (const char *) buf; |
c628b528 | 416 | size_t c; |
c2c6d25f | 417 | |
c628b528 PA |
418 | for (c = 0; c < count; c++) |
419 | serial_logchar (serial_logfp, 'w', str[c] & 0xff, 0); | |
c2c6d25f JM |
420 | |
421 | /* Make sure that the log file is as up-to-date as possible, | |
c378eb4e | 422 | in case we are getting ready to dump core or something. */ |
c2c6d25f JM |
423 | gdb_flush (serial_logfp); |
424 | } | |
9214d371 DE |
425 | if (serial_debug_p (scb)) |
426 | { | |
19ba03f4 | 427 | const char *str = (const char *) buf; |
c628b528 | 428 | size_t c; |
9214d371 | 429 | |
c628b528 | 430 | for (c = 0; c < count; c++) |
9214d371 DE |
431 | { |
432 | fprintf_unfiltered (gdb_stdlog, "["); | |
0e58ee40 | 433 | serial_logchar (gdb_stdlog, 'w', str[c] & 0xff, 0); |
9214d371 DE |
434 | fprintf_unfiltered (gdb_stdlog, "]"); |
435 | } | |
436 | gdb_flush (gdb_stdlog); | |
437 | } | |
c2c6d25f | 438 | |
c628b528 | 439 | return (scb->ops->write (scb, buf, count)); |
c2c6d25f JM |
440 | } |
441 | ||
442 | void | |
819cc324 | 443 | serial_printf (struct serial *desc, const char *format,...) |
c2c6d25f JM |
444 | { |
445 | va_list args; | |
446 | char *buf; | |
447 | va_start (args, format); | |
448 | ||
e623b504 | 449 | buf = xstrvprintf (format, args); |
2cd58942 | 450 | serial_write (desc, buf, strlen (buf)); |
c2c6d25f | 451 | |
b8c9b27d | 452 | xfree (buf); |
c2c6d25f JM |
453 | va_end (args); |
454 | } | |
455 | ||
456 | int | |
819cc324 | 457 | serial_drain_output (struct serial *scb) |
c2c6d25f JM |
458 | { |
459 | return scb->ops->drain_output (scb); | |
460 | } | |
461 | ||
462 | int | |
819cc324 | 463 | serial_flush_output (struct serial *scb) |
c2c6d25f JM |
464 | { |
465 | return scb->ops->flush_output (scb); | |
466 | } | |
467 | ||
468 | int | |
819cc324 | 469 | serial_flush_input (struct serial *scb) |
c2c6d25f JM |
470 | { |
471 | return scb->ops->flush_input (scb); | |
472 | } | |
473 | ||
474 | int | |
819cc324 | 475 | serial_send_break (struct serial *scb) |
c2c6d25f JM |
476 | { |
477 | if (serial_logfp != NULL) | |
2acceee2 | 478 | serial_logchar (serial_logfp, 'w', SERIAL_BREAK, 0); |
c2c6d25f JM |
479 | |
480 | return (scb->ops->send_break (scb)); | |
481 | } | |
482 | ||
483 | void | |
819cc324 | 484 | serial_raw (struct serial *scb) |
c2c6d25f JM |
485 | { |
486 | scb->ops->go_raw (scb); | |
487 | } | |
488 | ||
489 | serial_ttystate | |
819cc324 | 490 | serial_get_tty_state (struct serial *scb) |
c2c6d25f JM |
491 | { |
492 | return scb->ops->get_tty_state (scb); | |
493 | } | |
494 | ||
1e182ce8 UW |
495 | serial_ttystate |
496 | serial_copy_tty_state (struct serial *scb, serial_ttystate ttystate) | |
497 | { | |
498 | return scb->ops->copy_tty_state (scb, ttystate); | |
499 | } | |
500 | ||
c2c6d25f | 501 | int |
819cc324 | 502 | serial_set_tty_state (struct serial *scb, serial_ttystate ttystate) |
c2c6d25f JM |
503 | { |
504 | return scb->ops->set_tty_state (scb, ttystate); | |
505 | } | |
506 | ||
507 | void | |
819cc324 | 508 | serial_print_tty_state (struct serial *scb, |
c2c6d25f | 509 | serial_ttystate ttystate, |
d9fcf2fb | 510 | struct ui_file *stream) |
c2c6d25f JM |
511 | { |
512 | scb->ops->print_tty_state (scb, ttystate, stream); | |
513 | } | |
514 | ||
c2c6d25f | 515 | int |
819cc324 | 516 | serial_setbaudrate (struct serial *scb, int rate) |
c2c6d25f JM |
517 | { |
518 | return scb->ops->setbaudrate (scb, rate); | |
519 | } | |
520 | ||
521 | int | |
819cc324 | 522 | serial_setstopbits (struct serial *scb, int num) |
c2c6d25f JM |
523 | { |
524 | return scb->ops->setstopbits (scb, num); | |
525 | } | |
526 | ||
236af5e3 YG |
527 | /* See serial.h. */ |
528 | ||
529 | int | |
530 | serial_setparity (struct serial *scb, int parity) | |
531 | { | |
532 | return scb->ops->setparity (scb, parity); | |
533 | } | |
534 | ||
c2c6d25f | 535 | int |
819cc324 | 536 | serial_can_async_p (struct serial *scb) |
c2c6d25f JM |
537 | { |
538 | return (scb->ops->async != NULL); | |
539 | } | |
540 | ||
541 | int | |
819cc324 | 542 | serial_is_async_p (struct serial *scb) |
c2c6d25f JM |
543 | { |
544 | return (scb->ops->async != NULL) && (scb->async_handler != NULL); | |
545 | } | |
546 | ||
547 | void | |
819cc324 | 548 | serial_async (struct serial *scb, |
c2c6d25f JM |
549 | serial_event_ftype *handler, |
550 | void *context) | |
551 | { | |
05ce04a4 | 552 | int changed = ((scb->async_handler == NULL) != (handler == NULL)); |
433759f7 | 553 | |
c2c6d25f JM |
554 | scb->async_handler = handler; |
555 | scb->async_context = context; | |
05ce04a4 VP |
556 | /* Only change mode if there is a need. */ |
557 | if (changed) | |
558 | scb->ops->async (scb, handler != NULL); | |
c2c6d25f JM |
559 | } |
560 | ||
2acceee2 | 561 | void |
819cc324 | 562 | serial_debug (struct serial *scb, int debug_p) |
2acceee2 JM |
563 | { |
564 | scb->debug_p = debug_p; | |
565 | } | |
566 | ||
567 | int | |
819cc324 | 568 | serial_debug_p (struct serial *scb) |
2acceee2 JM |
569 | { |
570 | return scb->debug_p || global_serial_debug_p; | |
571 | } | |
572 | ||
0ea3f30e DJ |
573 | #ifdef USE_WIN32API |
574 | void | |
575 | serial_wait_handle (struct serial *scb, HANDLE *read, HANDLE *except) | |
576 | { | |
577 | if (scb->ops->wait_handle) | |
578 | scb->ops->wait_handle (scb, read, except); | |
579 | else | |
580 | { | |
581 | *read = (HANDLE) _get_osfhandle (scb->fd); | |
582 | *except = NULL; | |
583 | } | |
584 | } | |
c3e2b812 DJ |
585 | |
586 | void | |
587 | serial_done_wait_handle (struct serial *scb) | |
588 | { | |
589 | if (scb->ops->done_wait_handle) | |
590 | scb->ops->done_wait_handle (scb); | |
591 | } | |
0ea3f30e | 592 | #endif |
2acceee2 | 593 | |
58f07bae PA |
594 | int |
595 | serial_pipe (struct serial *scbs[2]) | |
596 | { | |
fcd488ca | 597 | const struct serial_ops *ops; |
58f07bae PA |
598 | int fildes[2]; |
599 | ||
600 | ops = serial_interface_lookup ("pipe"); | |
601 | if (!ops) | |
602 | { | |
603 | errno = ENOSYS; | |
604 | return -1; | |
605 | } | |
606 | ||
607 | if (gdb_pipe (fildes) == -1) | |
608 | return -1; | |
609 | ||
610 | scbs[0] = serial_fdopen_ops (fildes[0], ops); | |
611 | scbs[1] = serial_fdopen_ops (fildes[1], ops); | |
612 | return 0; | |
613 | } | |
614 | ||
e3abfe1d AC |
615 | /* Serial set/show framework. */ |
616 | ||
617 | static struct cmd_list_element *serial_set_cmdlist; | |
618 | static struct cmd_list_element *serial_show_cmdlist; | |
619 | ||
620 | static void | |
981a3fb3 | 621 | serial_set_cmd (const char *args, int from_tty) |
e3abfe1d | 622 | { |
3e43a32a MS |
623 | printf_unfiltered ("\"set serial\" must be followed " |
624 | "by the name of a command.\n"); | |
635c7e8a | 625 | help_list (serial_set_cmdlist, "set serial ", all_commands, gdb_stdout); |
e3abfe1d AC |
626 | } |
627 | ||
628 | static void | |
981a3fb3 | 629 | serial_show_cmd (const char *args, int from_tty) |
e3abfe1d AC |
630 | { |
631 | cmd_show_list (serial_show_cmdlist, from_tty, ""); | |
632 | } | |
633 | ||
0d12017b JB |
634 | /* Baud rate specified for talking to serial target systems. Default |
635 | is left as -1, so targets can choose their own defaults. */ | |
636 | /* FIXME: This means that "show serial baud" and gr_files_info can | |
637 | print -1 or (unsigned int)-1. This is a Bad User Interface. */ | |
638 | ||
639 | int baud_rate = -1; | |
640 | ||
641 | static void | |
642 | serial_baud_show_cmd (struct ui_file *file, int from_tty, | |
643 | struct cmd_list_element *c, const char *value) | |
644 | { | |
645 | fprintf_filtered (file, _("Baud rate for remote serial I/O is %s.\n"), | |
646 | value); | |
647 | } | |
e3abfe1d | 648 | |
236af5e3 YG |
649 | /* Parity for serial port. */ |
650 | ||
651 | int serial_parity = GDBPARITY_NONE; | |
652 | ||
653 | static const char parity_none[] = "none"; | |
654 | static const char parity_odd[] = "odd"; | |
655 | static const char parity_even[] = "even"; | |
656 | static const char *const parity_enums[] = | |
657 | {parity_none, parity_odd, parity_even, NULL}; | |
658 | static const char *parity = parity_none; | |
659 | ||
660 | /* Set serial_parity value. */ | |
661 | ||
662 | static void | |
eb4c3f4a | 663 | set_parity (const char *ignore_args, int from_tty, struct cmd_list_element *c) |
236af5e3 YG |
664 | { |
665 | if (parity == parity_odd) | |
666 | serial_parity = GDBPARITY_ODD; | |
667 | else if (parity == parity_even) | |
668 | serial_parity = GDBPARITY_EVEN; | |
669 | else | |
670 | serial_parity = GDBPARITY_NONE; | |
671 | } | |
672 | ||
c906108c | 673 | void |
c2c6d25f | 674 | _initialize_serial (void) |
c906108c SS |
675 | { |
676 | #if 0 | |
1bedd215 AC |
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.")); | |
c906108c SS |
680 | #endif /* 0 */ |
681 | ||
1bedd215 AC |
682 | add_prefix_cmd ("serial", class_maintenance, serial_set_cmd, _("\ |
683 | Set default serial/parallel port configuration."), | |
e3abfe1d AC |
684 | &serial_set_cmdlist, "set serial ", |
685 | 0/*allow-unknown*/, | |
686 | &setlist); | |
687 | ||
1bedd215 AC |
688 | add_prefix_cmd ("serial", class_maintenance, serial_show_cmd, _("\ |
689 | Show default serial/parallel port configuration."), | |
e3abfe1d AC |
690 | &serial_show_cmdlist, "show serial ", |
691 | 0/*allow-unknown*/, | |
692 | &showlist); | |
693 | ||
0d12017b JB |
694 | /* If target is open when baud changes, it doesn't take effect until |
695 | the next open (I think, not sure). */ | |
696 | add_setshow_zinteger_cmd ("baud", no_class, &baud_rate, _("\ | |
697 | Set baud rate for remote serial I/O."), _("\ | |
698 | Show baud rate for remote serial I/O."), _("\ | |
699 | This value is used to set the speed of the serial port when debugging\n\ | |
700 | using remote targets."), | |
701 | NULL, | |
702 | serial_baud_show_cmd, | |
703 | &serial_set_cmdlist, &serial_show_cmdlist); | |
704 | ||
236af5e3 YG |
705 | add_setshow_enum_cmd ("parity", no_class, parity_enums, |
706 | &parity, _("\ | |
707 | Set parity for remote serial I/O"), _("\ | |
708 | Show parity for remote serial I/O"), NULL, | |
709 | set_parity, | |
710 | NULL, /* FIXME: i18n: */ | |
711 | &serial_set_cmdlist, &serial_show_cmdlist); | |
712 | ||
f397e303 AC |
713 | add_setshow_filename_cmd ("remotelogfile", no_class, &serial_logfile, _("\ |
714 | Set filename for remote session recording."), _("\ | |
715 | Show filename for remote session recording."), _("\ | |
c906108c | 716 | This file is used to record the remote session for future playback\n\ |
f397e303 AC |
717 | by gdbserver."), |
718 | NULL, | |
719 | NULL, /* FIXME: i18n: */ | |
720 | &setlist, &showlist); | |
c906108c | 721 | |
7ab04401 AC |
722 | add_setshow_enum_cmd ("remotelogbase", no_class, logbase_enums, |
723 | &serial_logbase, _("\ | |
724 | Set numerical base for remote session logging"), _("\ | |
725 | Show numerical base for remote session logging"), NULL, | |
726 | NULL, | |
727 | NULL, /* FIXME: i18n: */ | |
728 | &setlist, &showlist); | |
2acceee2 | 729 | |
ccce17b0 YQ |
730 | add_setshow_zuinteger_cmd ("serial", class_maintenance, |
731 | &global_serial_debug_p, _("\ | |
85c07804 AC |
732 | Set serial debugging."), _("\ |
733 | Show serial debugging."), _("\ | |
734 | When non-zero, serial port debugging is enabled."), | |
ccce17b0 YQ |
735 | NULL, |
736 | NULL, /* FIXME: i18n: */ | |
737 | &setdebuglist, &showdebuglist); | |
c906108c | 738 | } |