Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Generic serial interface routines |
4fcf66da | 2 | |
b811d2c2 | 3 | Copyright (C) 1992-2020 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 | ||
4f837581 | 250 | scb->name = open_name != NULL ? xstrdup (open_name) : NULL; |
5eb3b062 | 251 | scb->next = scb_base; |
5eb3b062 | 252 | scb_base = scb; |
c906108c SS |
253 | |
254 | if (serial_logfile != NULL) | |
255 | { | |
d7e74731 PA |
256 | stdio_file_up file (new stdio_file ()); |
257 | ||
258 | if (!file->open (serial_logfile, "w")) | |
c906108c | 259 | perror_with_name (serial_logfile); |
d7e74731 PA |
260 | |
261 | serial_logfp = file.release (); | |
c906108c SS |
262 | } |
263 | ||
264 | return scb; | |
265 | } | |
266 | ||
00340e1b PA |
267 | /* See serial.h. */ |
268 | ||
269 | struct serial * | |
270 | serial_open_ops (const struct serial_ops *ops) | |
271 | { | |
272 | return serial_open_ops_1 (ops, NULL); | |
273 | } | |
274 | ||
58f07bae PA |
275 | /* Open a new serial stream using a file handle, using serial |
276 | interface ops OPS. */ | |
277 | ||
278 | static struct serial * | |
fcd488ca | 279 | serial_fdopen_ops (const int fd, const struct serial_ops *ops) |
c906108c | 280 | { |
819cc324 | 281 | struct serial *scb; |
c906108c | 282 | |
0ea3f30e | 283 | if (!ops) |
58f07bae PA |
284 | { |
285 | ops = serial_interface_lookup ("terminal"); | |
286 | if (!ops) | |
287 | ops = serial_interface_lookup ("hardwire"); | |
288 | } | |
c906108c SS |
289 | |
290 | if (!ops) | |
291 | return NULL; | |
292 | ||
00340e1b | 293 | scb = new_serial (ops); |
c906108c | 294 | |
4f837581 | 295 | scb->name = NULL; |
5eb3b062 | 296 | scb->next = scb_base; |
5eb3b062 | 297 | scb_base = scb; |
c906108c | 298 | |
58f07bae PA |
299 | if ((ops->fdopen) != NULL) |
300 | (*ops->fdopen) (scb, fd); | |
301 | else | |
302 | scb->fd = fd; | |
303 | ||
c906108c SS |
304 | return scb; |
305 | } | |
306 | ||
58f07bae PA |
307 | struct serial * |
308 | serial_fdopen (const int fd) | |
309 | { | |
310 | return serial_fdopen_ops (fd, NULL); | |
311 | } | |
312 | ||
c2c6d25f | 313 | static void |
819cc324 | 314 | do_serial_close (struct serial *scb, int really_close) |
c906108c | 315 | { |
819cc324 | 316 | struct serial *tmp_scb; |
c906108c | 317 | |
c906108c SS |
318 | if (serial_logfp) |
319 | { | |
320 | fputs_unfiltered ("\nEnd of log\n", serial_logfp); | |
321 | serial_current_type = 0; | |
322 | ||
c378eb4e | 323 | /* XXX - What if serial_logfp == gdb_stdout or gdb_stderr? */ |
d7e74731 | 324 | delete serial_logfp; |
c906108c SS |
325 | serial_logfp = NULL; |
326 | } | |
327 | ||
c378eb4e | 328 | /* ensure that the FD has been taken out of async mode. */ |
c2c6d25f JM |
329 | if (scb->async_handler != NULL) |
330 | serial_async (scb, NULL, NULL); | |
331 | ||
c906108c SS |
332 | if (really_close) |
333 | scb->ops->close (scb); | |
334 | ||
4f837581 PA |
335 | xfree (scb->name); |
336 | ||
ddefb60f PA |
337 | /* For serial_is_open. */ |
338 | scb->bufp = NULL; | |
339 | ||
5eb3b062 PA |
340 | if (scb_base == scb) |
341 | scb_base = scb_base->next; | |
342 | else | |
343 | for (tmp_scb = scb_base; tmp_scb; tmp_scb = tmp_scb->next) | |
344 | { | |
345 | if (tmp_scb->next != scb) | |
346 | continue; | |
347 | ||
348 | tmp_scb->next = tmp_scb->next->next; | |
349 | break; | |
350 | } | |
351 | ||
ddefb60f | 352 | serial_unref (scb); |
c906108c SS |
353 | } |
354 | ||
c2c6d25f | 355 | void |
819cc324 | 356 | serial_close (struct serial *scb) |
c2c6d25f JM |
357 | { |
358 | do_serial_close (scb, 1); | |
359 | } | |
360 | ||
361 | void | |
819cc324 | 362 | serial_un_fdopen (struct serial *scb) |
c2c6d25f JM |
363 | { |
364 | do_serial_close (scb, 0); | |
365 | } | |
366 | ||
ddefb60f PA |
367 | int |
368 | serial_is_open (struct serial *scb) | |
369 | { | |
370 | return scb->bufp != NULL; | |
371 | } | |
372 | ||
373 | void | |
374 | serial_ref (struct serial *scb) | |
375 | { | |
376 | scb->refcnt++; | |
377 | } | |
378 | ||
379 | void | |
380 | serial_unref (struct serial *scb) | |
381 | { | |
382 | --scb->refcnt; | |
383 | if (scb->refcnt == 0) | |
384 | xfree (scb); | |
385 | } | |
386 | ||
c2c6d25f | 387 | int |
819cc324 | 388 | serial_readchar (struct serial *scb, int timeout) |
c2c6d25f JM |
389 | { |
390 | int ch; | |
391 | ||
2df3850c | 392 | /* FIXME: cagney/1999-10-11: Don't enable this check until the ASYNC |
c378eb4e | 393 | code is finished. */ |
2cd58942 | 394 | if (0 && serial_is_async_p (scb) && timeout < 0) |
8e65ff28 | 395 | internal_error (__FILE__, __LINE__, |
e2e0b3e5 | 396 | _("serial_readchar: blocking read in async mode")); |
2df3850c | 397 | |
c2c6d25f JM |
398 | ch = scb->ops->readchar (scb, timeout); |
399 | if (serial_logfp != NULL) | |
400 | { | |
2acceee2 | 401 | serial_logchar (serial_logfp, 'r', ch, timeout); |
c2c6d25f JM |
402 | |
403 | /* Make sure that the log file is as up-to-date as possible, | |
c378eb4e | 404 | in case we are getting ready to dump core or something. */ |
c2c6d25f JM |
405 | gdb_flush (serial_logfp); |
406 | } | |
2cd58942 | 407 | if (serial_debug_p (scb)) |
2acceee2 JM |
408 | { |
409 | fprintf_unfiltered (gdb_stdlog, "["); | |
410 | serial_logchar (gdb_stdlog, 'r', ch, timeout); | |
411 | fprintf_unfiltered (gdb_stdlog, "]"); | |
412 | gdb_flush (gdb_stdlog); | |
413 | } | |
c2c6d25f JM |
414 | |
415 | return (ch); | |
416 | } | |
417 | ||
418 | int | |
c628b528 | 419 | serial_write (struct serial *scb, const void *buf, size_t count) |
c2c6d25f JM |
420 | { |
421 | if (serial_logfp != NULL) | |
422 | { | |
19ba03f4 | 423 | const char *str = (const char *) buf; |
c628b528 | 424 | size_t c; |
c2c6d25f | 425 | |
c628b528 PA |
426 | for (c = 0; c < count; c++) |
427 | serial_logchar (serial_logfp, 'w', str[c] & 0xff, 0); | |
c2c6d25f JM |
428 | |
429 | /* Make sure that the log file is as up-to-date as possible, | |
c378eb4e | 430 | in case we are getting ready to dump core or something. */ |
c2c6d25f JM |
431 | gdb_flush (serial_logfp); |
432 | } | |
9214d371 DE |
433 | if (serial_debug_p (scb)) |
434 | { | |
19ba03f4 | 435 | const char *str = (const char *) buf; |
c628b528 | 436 | size_t c; |
9214d371 | 437 | |
c628b528 | 438 | for (c = 0; c < count; c++) |
9214d371 DE |
439 | { |
440 | fprintf_unfiltered (gdb_stdlog, "["); | |
0e58ee40 | 441 | serial_logchar (gdb_stdlog, 'w', str[c] & 0xff, 0); |
9214d371 DE |
442 | fprintf_unfiltered (gdb_stdlog, "]"); |
443 | } | |
444 | gdb_flush (gdb_stdlog); | |
445 | } | |
c2c6d25f | 446 | |
c628b528 | 447 | return (scb->ops->write (scb, buf, count)); |
c2c6d25f JM |
448 | } |
449 | ||
450 | void | |
467dc1e2 | 451 | serial_printf (struct serial *desc, const char *format, ...) |
c2c6d25f JM |
452 | { |
453 | va_list args; | |
c2c6d25f JM |
454 | va_start (args, format); |
455 | ||
467dc1e2 SM |
456 | std::string buf = string_vprintf (format, args); |
457 | serial_write (desc, buf.c_str (), buf.length ()); | |
c2c6d25f | 458 | |
c2c6d25f JM |
459 | va_end (args); |
460 | } | |
461 | ||
462 | int | |
819cc324 | 463 | serial_drain_output (struct serial *scb) |
c2c6d25f JM |
464 | { |
465 | return scb->ops->drain_output (scb); | |
466 | } | |
467 | ||
468 | int | |
819cc324 | 469 | serial_flush_output (struct serial *scb) |
c2c6d25f JM |
470 | { |
471 | return scb->ops->flush_output (scb); | |
472 | } | |
473 | ||
474 | int | |
819cc324 | 475 | serial_flush_input (struct serial *scb) |
c2c6d25f JM |
476 | { |
477 | return scb->ops->flush_input (scb); | |
478 | } | |
479 | ||
480 | int | |
819cc324 | 481 | serial_send_break (struct serial *scb) |
c2c6d25f JM |
482 | { |
483 | if (serial_logfp != NULL) | |
2acceee2 | 484 | serial_logchar (serial_logfp, 'w', SERIAL_BREAK, 0); |
c2c6d25f JM |
485 | |
486 | return (scb->ops->send_break (scb)); | |
487 | } | |
488 | ||
489 | void | |
819cc324 | 490 | serial_raw (struct serial *scb) |
c2c6d25f JM |
491 | { |
492 | scb->ops->go_raw (scb); | |
493 | } | |
494 | ||
495 | serial_ttystate | |
819cc324 | 496 | serial_get_tty_state (struct serial *scb) |
c2c6d25f JM |
497 | { |
498 | return scb->ops->get_tty_state (scb); | |
499 | } | |
500 | ||
1e182ce8 UW |
501 | serial_ttystate |
502 | serial_copy_tty_state (struct serial *scb, serial_ttystate ttystate) | |
503 | { | |
504 | return scb->ops->copy_tty_state (scb, ttystate); | |
505 | } | |
506 | ||
c2c6d25f | 507 | int |
819cc324 | 508 | serial_set_tty_state (struct serial *scb, serial_ttystate ttystate) |
c2c6d25f JM |
509 | { |
510 | return scb->ops->set_tty_state (scb, ttystate); | |
511 | } | |
512 | ||
513 | void | |
819cc324 | 514 | serial_print_tty_state (struct serial *scb, |
c2c6d25f | 515 | serial_ttystate ttystate, |
d9fcf2fb | 516 | struct ui_file *stream) |
c2c6d25f JM |
517 | { |
518 | scb->ops->print_tty_state (scb, ttystate, stream); | |
519 | } | |
520 | ||
c2c6d25f | 521 | int |
819cc324 | 522 | serial_setbaudrate (struct serial *scb, int rate) |
c2c6d25f JM |
523 | { |
524 | return scb->ops->setbaudrate (scb, rate); | |
525 | } | |
526 | ||
527 | int | |
819cc324 | 528 | serial_setstopbits (struct serial *scb, int num) |
c2c6d25f JM |
529 | { |
530 | return scb->ops->setstopbits (scb, num); | |
531 | } | |
532 | ||
236af5e3 YG |
533 | /* See serial.h. */ |
534 | ||
535 | int | |
536 | serial_setparity (struct serial *scb, int parity) | |
537 | { | |
538 | return scb->ops->setparity (scb, parity); | |
539 | } | |
540 | ||
c2c6d25f | 541 | int |
819cc324 | 542 | serial_can_async_p (struct serial *scb) |
c2c6d25f JM |
543 | { |
544 | return (scb->ops->async != NULL); | |
545 | } | |
546 | ||
547 | int | |
819cc324 | 548 | serial_is_async_p (struct serial *scb) |
c2c6d25f JM |
549 | { |
550 | return (scb->ops->async != NULL) && (scb->async_handler != NULL); | |
551 | } | |
552 | ||
553 | void | |
819cc324 | 554 | serial_async (struct serial *scb, |
c2c6d25f JM |
555 | serial_event_ftype *handler, |
556 | void *context) | |
557 | { | |
05ce04a4 | 558 | int changed = ((scb->async_handler == NULL) != (handler == NULL)); |
433759f7 | 559 | |
c2c6d25f JM |
560 | scb->async_handler = handler; |
561 | scb->async_context = context; | |
05ce04a4 VP |
562 | /* Only change mode if there is a need. */ |
563 | if (changed) | |
564 | scb->ops->async (scb, handler != NULL); | |
c2c6d25f JM |
565 | } |
566 | ||
2acceee2 | 567 | void |
819cc324 | 568 | serial_debug (struct serial *scb, int debug_p) |
2acceee2 JM |
569 | { |
570 | scb->debug_p = debug_p; | |
571 | } | |
572 | ||
573 | int | |
819cc324 | 574 | serial_debug_p (struct serial *scb) |
2acceee2 JM |
575 | { |
576 | return scb->debug_p || global_serial_debug_p; | |
577 | } | |
578 | ||
0ea3f30e DJ |
579 | #ifdef USE_WIN32API |
580 | void | |
581 | serial_wait_handle (struct serial *scb, HANDLE *read, HANDLE *except) | |
582 | { | |
583 | if (scb->ops->wait_handle) | |
584 | scb->ops->wait_handle (scb, read, except); | |
585 | else | |
586 | { | |
587 | *read = (HANDLE) _get_osfhandle (scb->fd); | |
588 | *except = NULL; | |
589 | } | |
590 | } | |
c3e2b812 DJ |
591 | |
592 | void | |
593 | serial_done_wait_handle (struct serial *scb) | |
594 | { | |
595 | if (scb->ops->done_wait_handle) | |
596 | scb->ops->done_wait_handle (scb); | |
597 | } | |
0ea3f30e | 598 | #endif |
2acceee2 | 599 | |
58f07bae PA |
600 | int |
601 | serial_pipe (struct serial *scbs[2]) | |
602 | { | |
fcd488ca | 603 | const struct serial_ops *ops; |
58f07bae PA |
604 | int fildes[2]; |
605 | ||
606 | ops = serial_interface_lookup ("pipe"); | |
607 | if (!ops) | |
608 | { | |
609 | errno = ENOSYS; | |
610 | return -1; | |
611 | } | |
612 | ||
613 | if (gdb_pipe (fildes) == -1) | |
614 | return -1; | |
615 | ||
616 | scbs[0] = serial_fdopen_ops (fildes[0], ops); | |
617 | scbs[1] = serial_fdopen_ops (fildes[1], ops); | |
618 | return 0; | |
619 | } | |
620 | ||
e3abfe1d AC |
621 | /* Serial set/show framework. */ |
622 | ||
623 | static struct cmd_list_element *serial_set_cmdlist; | |
624 | static struct cmd_list_element *serial_show_cmdlist; | |
625 | ||
626 | static void | |
981a3fb3 | 627 | serial_set_cmd (const char *args, int from_tty) |
e3abfe1d | 628 | { |
3e43a32a MS |
629 | printf_unfiltered ("\"set serial\" must be followed " |
630 | "by the name of a command.\n"); | |
635c7e8a | 631 | help_list (serial_set_cmdlist, "set serial ", all_commands, gdb_stdout); |
e3abfe1d AC |
632 | } |
633 | ||
634 | static void | |
981a3fb3 | 635 | serial_show_cmd (const char *args, int from_tty) |
e3abfe1d AC |
636 | { |
637 | cmd_show_list (serial_show_cmdlist, from_tty, ""); | |
638 | } | |
639 | ||
0d12017b JB |
640 | /* Baud rate specified for talking to serial target systems. Default |
641 | is left as -1, so targets can choose their own defaults. */ | |
642 | /* FIXME: This means that "show serial baud" and gr_files_info can | |
643 | print -1 or (unsigned int)-1. This is a Bad User Interface. */ | |
644 | ||
645 | int baud_rate = -1; | |
646 | ||
647 | static void | |
648 | serial_baud_show_cmd (struct ui_file *file, int from_tty, | |
649 | struct cmd_list_element *c, const char *value) | |
650 | { | |
651 | fprintf_filtered (file, _("Baud rate for remote serial I/O is %s.\n"), | |
652 | value); | |
653 | } | |
e3abfe1d | 654 | |
236af5e3 YG |
655 | /* Parity for serial port. */ |
656 | ||
657 | int serial_parity = GDBPARITY_NONE; | |
658 | ||
659 | static const char parity_none[] = "none"; | |
660 | static const char parity_odd[] = "odd"; | |
661 | static const char parity_even[] = "even"; | |
662 | static const char *const parity_enums[] = | |
663 | {parity_none, parity_odd, parity_even, NULL}; | |
664 | static const char *parity = parity_none; | |
665 | ||
666 | /* Set serial_parity value. */ | |
667 | ||
668 | static void | |
eb4c3f4a | 669 | set_parity (const char *ignore_args, int from_tty, struct cmd_list_element *c) |
236af5e3 YG |
670 | { |
671 | if (parity == parity_odd) | |
672 | serial_parity = GDBPARITY_ODD; | |
673 | else if (parity == parity_even) | |
674 | serial_parity = GDBPARITY_EVEN; | |
675 | else | |
676 | serial_parity = GDBPARITY_NONE; | |
677 | } | |
678 | ||
6c265988 | 679 | void _initialize_serial (); |
c906108c | 680 | void |
6c265988 | 681 | _initialize_serial () |
c906108c SS |
682 | { |
683 | #if 0 | |
1bedd215 AC |
684 | add_com ("connect", class_obscure, connect_command, _("\ |
685 | Connect the terminal directly up to the command monitor.\n\ | |
686 | Use <CR>~. or <CR>~^D to break out.")); | |
c906108c SS |
687 | #endif /* 0 */ |
688 | ||
1bedd215 AC |
689 | add_prefix_cmd ("serial", class_maintenance, serial_set_cmd, _("\ |
690 | Set default serial/parallel port configuration."), | |
e3abfe1d AC |
691 | &serial_set_cmdlist, "set serial ", |
692 | 0/*allow-unknown*/, | |
693 | &setlist); | |
694 | ||
1bedd215 AC |
695 | add_prefix_cmd ("serial", class_maintenance, serial_show_cmd, _("\ |
696 | Show default serial/parallel port configuration."), | |
e3abfe1d AC |
697 | &serial_show_cmdlist, "show serial ", |
698 | 0/*allow-unknown*/, | |
699 | &showlist); | |
700 | ||
0d12017b JB |
701 | /* If target is open when baud changes, it doesn't take effect until |
702 | the next open (I think, not sure). */ | |
703 | add_setshow_zinteger_cmd ("baud", no_class, &baud_rate, _("\ | |
704 | Set baud rate for remote serial I/O."), _("\ | |
705 | Show baud rate for remote serial I/O."), _("\ | |
706 | This value is used to set the speed of the serial port when debugging\n\ | |
707 | using remote targets."), | |
708 | NULL, | |
709 | serial_baud_show_cmd, | |
710 | &serial_set_cmdlist, &serial_show_cmdlist); | |
711 | ||
236af5e3 YG |
712 | add_setshow_enum_cmd ("parity", no_class, parity_enums, |
713 | &parity, _("\ | |
590042fc PW |
714 | Set parity for remote serial I/O."), _("\ |
715 | Show parity for remote serial I/O."), NULL, | |
236af5e3 YG |
716 | set_parity, |
717 | NULL, /* FIXME: i18n: */ | |
718 | &serial_set_cmdlist, &serial_show_cmdlist); | |
719 | ||
f397e303 AC |
720 | add_setshow_filename_cmd ("remotelogfile", no_class, &serial_logfile, _("\ |
721 | Set filename for remote session recording."), _("\ | |
722 | Show filename for remote session recording."), _("\ | |
c906108c | 723 | This file is used to record the remote session for future playback\n\ |
f397e303 AC |
724 | by gdbserver."), |
725 | NULL, | |
726 | NULL, /* FIXME: i18n: */ | |
727 | &setlist, &showlist); | |
c906108c | 728 | |
7ab04401 AC |
729 | add_setshow_enum_cmd ("remotelogbase", no_class, logbase_enums, |
730 | &serial_logbase, _("\ | |
590042fc PW |
731 | Set numerical base for remote session logging."), _("\ |
732 | Show numerical base for remote session logging."), NULL, | |
7ab04401 AC |
733 | NULL, |
734 | NULL, /* FIXME: i18n: */ | |
735 | &setlist, &showlist); | |
2acceee2 | 736 | |
ccce17b0 YQ |
737 | add_setshow_zuinteger_cmd ("serial", class_maintenance, |
738 | &global_serial_debug_p, _("\ | |
85c07804 AC |
739 | Set serial debugging."), _("\ |
740 | Show serial debugging."), _("\ | |
741 | When non-zero, serial port debugging is enabled."), | |
ccce17b0 YQ |
742 | NULL, |
743 | NULL, /* FIXME: i18n: */ | |
744 | &setdebuglist, &showdebuglist); | |
c906108c | 745 | } |