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 | |
819cc324 | 437 | serial_printf (struct serial *desc, const char *format,...) |
c2c6d25f JM |
438 | { |
439 | va_list args; | |
440 | char *buf; | |
441 | va_start (args, format); | |
442 | ||
e623b504 | 443 | buf = xstrvprintf (format, args); |
2cd58942 | 444 | serial_write (desc, buf, strlen (buf)); |
c2c6d25f | 445 | |
b8c9b27d | 446 | xfree (buf); |
c2c6d25f JM |
447 | va_end (args); |
448 | } | |
449 | ||
450 | int | |
819cc324 | 451 | serial_drain_output (struct serial *scb) |
c2c6d25f JM |
452 | { |
453 | return scb->ops->drain_output (scb); | |
454 | } | |
455 | ||
456 | int | |
819cc324 | 457 | serial_flush_output (struct serial *scb) |
c2c6d25f JM |
458 | { |
459 | return scb->ops->flush_output (scb); | |
460 | } | |
461 | ||
462 | int | |
819cc324 | 463 | serial_flush_input (struct serial *scb) |
c2c6d25f JM |
464 | { |
465 | return scb->ops->flush_input (scb); | |
466 | } | |
467 | ||
468 | int | |
819cc324 | 469 | serial_send_break (struct serial *scb) |
c2c6d25f JM |
470 | { |
471 | if (serial_logfp != NULL) | |
2acceee2 | 472 | serial_logchar (serial_logfp, 'w', SERIAL_BREAK, 0); |
c2c6d25f JM |
473 | |
474 | return (scb->ops->send_break (scb)); | |
475 | } | |
476 | ||
477 | void | |
819cc324 | 478 | serial_raw (struct serial *scb) |
c2c6d25f JM |
479 | { |
480 | scb->ops->go_raw (scb); | |
481 | } | |
482 | ||
483 | serial_ttystate | |
819cc324 | 484 | serial_get_tty_state (struct serial *scb) |
c2c6d25f JM |
485 | { |
486 | return scb->ops->get_tty_state (scb); | |
487 | } | |
488 | ||
1e182ce8 UW |
489 | serial_ttystate |
490 | serial_copy_tty_state (struct serial *scb, serial_ttystate ttystate) | |
491 | { | |
492 | return scb->ops->copy_tty_state (scb, ttystate); | |
493 | } | |
494 | ||
c2c6d25f | 495 | int |
819cc324 | 496 | serial_set_tty_state (struct serial *scb, serial_ttystate ttystate) |
c2c6d25f JM |
497 | { |
498 | return scb->ops->set_tty_state (scb, ttystate); | |
499 | } | |
500 | ||
501 | void | |
819cc324 | 502 | serial_print_tty_state (struct serial *scb, |
c2c6d25f | 503 | serial_ttystate ttystate, |
d9fcf2fb | 504 | struct ui_file *stream) |
c2c6d25f JM |
505 | { |
506 | scb->ops->print_tty_state (scb, ttystate, stream); | |
507 | } | |
508 | ||
c2c6d25f | 509 | int |
819cc324 | 510 | serial_setbaudrate (struct serial *scb, int rate) |
c2c6d25f JM |
511 | { |
512 | return scb->ops->setbaudrate (scb, rate); | |
513 | } | |
514 | ||
515 | int | |
819cc324 | 516 | serial_setstopbits (struct serial *scb, int num) |
c2c6d25f JM |
517 | { |
518 | return scb->ops->setstopbits (scb, num); | |
519 | } | |
520 | ||
236af5e3 YG |
521 | /* See serial.h. */ |
522 | ||
523 | int | |
524 | serial_setparity (struct serial *scb, int parity) | |
525 | { | |
526 | return scb->ops->setparity (scb, parity); | |
527 | } | |
528 | ||
c2c6d25f | 529 | int |
819cc324 | 530 | serial_can_async_p (struct serial *scb) |
c2c6d25f JM |
531 | { |
532 | return (scb->ops->async != NULL); | |
533 | } | |
534 | ||
535 | int | |
819cc324 | 536 | serial_is_async_p (struct serial *scb) |
c2c6d25f JM |
537 | { |
538 | return (scb->ops->async != NULL) && (scb->async_handler != NULL); | |
539 | } | |
540 | ||
541 | void | |
819cc324 | 542 | serial_async (struct serial *scb, |
c2c6d25f JM |
543 | serial_event_ftype *handler, |
544 | void *context) | |
545 | { | |
05ce04a4 | 546 | int changed = ((scb->async_handler == NULL) != (handler == NULL)); |
433759f7 | 547 | |
c2c6d25f JM |
548 | scb->async_handler = handler; |
549 | scb->async_context = context; | |
05ce04a4 VP |
550 | /* Only change mode if there is a need. */ |
551 | if (changed) | |
552 | scb->ops->async (scb, handler != NULL); | |
c2c6d25f JM |
553 | } |
554 | ||
2acceee2 | 555 | void |
819cc324 | 556 | serial_debug (struct serial *scb, int debug_p) |
2acceee2 JM |
557 | { |
558 | scb->debug_p = debug_p; | |
559 | } | |
560 | ||
561 | int | |
819cc324 | 562 | serial_debug_p (struct serial *scb) |
2acceee2 JM |
563 | { |
564 | return scb->debug_p || global_serial_debug_p; | |
565 | } | |
566 | ||
0ea3f30e DJ |
567 | #ifdef USE_WIN32API |
568 | void | |
569 | serial_wait_handle (struct serial *scb, HANDLE *read, HANDLE *except) | |
570 | { | |
571 | if (scb->ops->wait_handle) | |
572 | scb->ops->wait_handle (scb, read, except); | |
573 | else | |
574 | { | |
575 | *read = (HANDLE) _get_osfhandle (scb->fd); | |
576 | *except = NULL; | |
577 | } | |
578 | } | |
c3e2b812 DJ |
579 | |
580 | void | |
581 | serial_done_wait_handle (struct serial *scb) | |
582 | { | |
583 | if (scb->ops->done_wait_handle) | |
584 | scb->ops->done_wait_handle (scb); | |
585 | } | |
0ea3f30e | 586 | #endif |
2acceee2 | 587 | |
58f07bae PA |
588 | int |
589 | serial_pipe (struct serial *scbs[2]) | |
590 | { | |
fcd488ca | 591 | const struct serial_ops *ops; |
58f07bae PA |
592 | int fildes[2]; |
593 | ||
594 | ops = serial_interface_lookup ("pipe"); | |
595 | if (!ops) | |
596 | { | |
597 | errno = ENOSYS; | |
598 | return -1; | |
599 | } | |
600 | ||
601 | if (gdb_pipe (fildes) == -1) | |
602 | return -1; | |
603 | ||
604 | scbs[0] = serial_fdopen_ops (fildes[0], ops); | |
605 | scbs[1] = serial_fdopen_ops (fildes[1], ops); | |
606 | return 0; | |
607 | } | |
608 | ||
e3abfe1d AC |
609 | /* Serial set/show framework. */ |
610 | ||
611 | static struct cmd_list_element *serial_set_cmdlist; | |
612 | static struct cmd_list_element *serial_show_cmdlist; | |
613 | ||
614 | static void | |
981a3fb3 | 615 | serial_set_cmd (const char *args, int from_tty) |
e3abfe1d | 616 | { |
3e43a32a MS |
617 | printf_unfiltered ("\"set serial\" must be followed " |
618 | "by the name of a command.\n"); | |
635c7e8a | 619 | help_list (serial_set_cmdlist, "set serial ", all_commands, gdb_stdout); |
e3abfe1d AC |
620 | } |
621 | ||
622 | static void | |
981a3fb3 | 623 | serial_show_cmd (const char *args, int from_tty) |
e3abfe1d AC |
624 | { |
625 | cmd_show_list (serial_show_cmdlist, from_tty, ""); | |
626 | } | |
627 | ||
0d12017b JB |
628 | /* Baud rate specified for talking to serial target systems. Default |
629 | is left as -1, so targets can choose their own defaults. */ | |
630 | /* FIXME: This means that "show serial baud" and gr_files_info can | |
631 | print -1 or (unsigned int)-1. This is a Bad User Interface. */ | |
632 | ||
633 | int baud_rate = -1; | |
634 | ||
635 | static void | |
636 | serial_baud_show_cmd (struct ui_file *file, int from_tty, | |
637 | struct cmd_list_element *c, const char *value) | |
638 | { | |
639 | fprintf_filtered (file, _("Baud rate for remote serial I/O is %s.\n"), | |
640 | value); | |
641 | } | |
e3abfe1d | 642 | |
236af5e3 YG |
643 | /* Parity for serial port. */ |
644 | ||
645 | int serial_parity = GDBPARITY_NONE; | |
646 | ||
647 | static const char parity_none[] = "none"; | |
648 | static const char parity_odd[] = "odd"; | |
649 | static const char parity_even[] = "even"; | |
650 | static const char *const parity_enums[] = | |
651 | {parity_none, parity_odd, parity_even, NULL}; | |
652 | static const char *parity = parity_none; | |
653 | ||
654 | /* Set serial_parity value. */ | |
655 | ||
656 | static void | |
eb4c3f4a | 657 | set_parity (const char *ignore_args, int from_tty, struct cmd_list_element *c) |
236af5e3 YG |
658 | { |
659 | if (parity == parity_odd) | |
660 | serial_parity = GDBPARITY_ODD; | |
661 | else if (parity == parity_even) | |
662 | serial_parity = GDBPARITY_EVEN; | |
663 | else | |
664 | serial_parity = GDBPARITY_NONE; | |
665 | } | |
666 | ||
c906108c | 667 | void |
c2c6d25f | 668 | _initialize_serial (void) |
c906108c SS |
669 | { |
670 | #if 0 | |
1bedd215 AC |
671 | add_com ("connect", class_obscure, connect_command, _("\ |
672 | Connect the terminal directly up to the command monitor.\n\ | |
673 | Use <CR>~. or <CR>~^D to break out.")); | |
c906108c SS |
674 | #endif /* 0 */ |
675 | ||
1bedd215 AC |
676 | add_prefix_cmd ("serial", class_maintenance, serial_set_cmd, _("\ |
677 | Set default serial/parallel port configuration."), | |
e3abfe1d AC |
678 | &serial_set_cmdlist, "set serial ", |
679 | 0/*allow-unknown*/, | |
680 | &setlist); | |
681 | ||
1bedd215 AC |
682 | add_prefix_cmd ("serial", class_maintenance, serial_show_cmd, _("\ |
683 | Show default serial/parallel port configuration."), | |
e3abfe1d AC |
684 | &serial_show_cmdlist, "show serial ", |
685 | 0/*allow-unknown*/, | |
686 | &showlist); | |
687 | ||
0d12017b JB |
688 | /* If target is open when baud changes, it doesn't take effect until |
689 | the next open (I think, not sure). */ | |
690 | add_setshow_zinteger_cmd ("baud", no_class, &baud_rate, _("\ | |
691 | Set baud rate for remote serial I/O."), _("\ | |
692 | Show baud rate for remote serial I/O."), _("\ | |
693 | This value is used to set the speed of the serial port when debugging\n\ | |
694 | using remote targets."), | |
695 | NULL, | |
696 | serial_baud_show_cmd, | |
697 | &serial_set_cmdlist, &serial_show_cmdlist); | |
698 | ||
236af5e3 YG |
699 | add_setshow_enum_cmd ("parity", no_class, parity_enums, |
700 | &parity, _("\ | |
701 | Set parity for remote serial I/O"), _("\ | |
702 | Show parity for remote serial I/O"), NULL, | |
703 | set_parity, | |
704 | NULL, /* FIXME: i18n: */ | |
705 | &serial_set_cmdlist, &serial_show_cmdlist); | |
706 | ||
f397e303 AC |
707 | add_setshow_filename_cmd ("remotelogfile", no_class, &serial_logfile, _("\ |
708 | Set filename for remote session recording."), _("\ | |
709 | Show filename for remote session recording."), _("\ | |
c906108c | 710 | This file is used to record the remote session for future playback\n\ |
f397e303 AC |
711 | by gdbserver."), |
712 | NULL, | |
713 | NULL, /* FIXME: i18n: */ | |
714 | &setlist, &showlist); | |
c906108c | 715 | |
7ab04401 AC |
716 | add_setshow_enum_cmd ("remotelogbase", no_class, logbase_enums, |
717 | &serial_logbase, _("\ | |
718 | Set numerical base for remote session logging"), _("\ | |
719 | Show numerical base for remote session logging"), NULL, | |
720 | NULL, | |
721 | NULL, /* FIXME: i18n: */ | |
722 | &setlist, &showlist); | |
2acceee2 | 723 | |
ccce17b0 YQ |
724 | add_setshow_zuinteger_cmd ("serial", class_maintenance, |
725 | &global_serial_debug_p, _("\ | |
85c07804 AC |
726 | Set serial debugging."), _("\ |
727 | Show serial debugging."), _("\ | |
728 | When non-zero, serial port debugging is enabled."), | |
ccce17b0 YQ |
729 | NULL, |
730 | NULL, /* FIXME: i18n: */ | |
731 | &setdebuglist, &showdebuglist); | |
c906108c | 732 | } |