Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Generic serial interface routines |
4fcf66da | 2 | |
61baf725 | 3 | Copyright (C) 1992-2017 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 | |
c2c6d25f | 26 | extern void _initialize_serial (void); |
392a587b | 27 | |
c378eb4e | 28 | /* Is serial being debugged? */ |
2acceee2 | 29 | |
ccce17b0 | 30 | static unsigned int global_serial_debug_p; |
2acceee2 | 31 | |
fcd488ca TT |
32 | typedef const struct serial_ops *serial_ops_p; |
33 | DEF_VEC_P (serial_ops_p); | |
c906108c | 34 | |
fcd488ca TT |
35 | /* Serial I/O handlers. */ |
36 | ||
37 | VEC (serial_ops_p) *serial_ops_list = NULL; | |
c906108c | 38 | |
5eb3b062 PA |
39 | /* Pointer to list of scb's. */ |
40 | ||
41 | static struct serial *scb_base; | |
42 | ||
c906108c | 43 | /* Non-NULL gives filename which contains a recording of the remote session, |
c378eb4e | 44 | suitable for playback by gdbserver. */ |
c906108c SS |
45 | |
46 | static char *serial_logfile = NULL; | |
d9fcf2fb | 47 | static struct ui_file *serial_logfp = NULL; |
c906108c | 48 | |
fcd488ca | 49 | static const struct serial_ops *serial_interface_lookup (const char *); |
3e43a32a MS |
50 | static void serial_logchar (struct ui_file *stream, |
51 | int ch_type, int ch, int timeout); | |
53904c9e AC |
52 | static const char logbase_hex[] = "hex"; |
53 | static const char logbase_octal[] = "octal"; | |
54 | static const char logbase_ascii[] = "ascii"; | |
40478521 | 55 | static const char *const logbase_enums[] = |
c5aa993b | 56 | {logbase_hex, logbase_octal, logbase_ascii, NULL}; |
53904c9e | 57 | static const char *serial_logbase = logbase_ascii; |
c906108c | 58 | \f |
c5aa993b | 59 | |
c906108c SS |
60 | static int serial_current_type = 0; |
61 | ||
c378eb4e | 62 | /* Log char CH of type CHTYPE, with TIMEOUT. */ |
c906108c SS |
63 | |
64 | /* Define bogus char to represent a BREAK. Should be careful to choose a value | |
65 | that can't be confused with a normal char, or an error code. */ | |
66 | #define SERIAL_BREAK 1235 | |
67 | ||
68 | static void | |
d9fcf2fb | 69 | serial_logchar (struct ui_file *stream, int ch_type, int ch, int timeout) |
c906108c SS |
70 | { |
71 | if (ch_type != serial_current_type) | |
72 | { | |
2acceee2 | 73 | fprintf_unfiltered (stream, "\n%c ", ch_type); |
c906108c SS |
74 | serial_current_type = ch_type; |
75 | } | |
76 | ||
77 | if (serial_logbase != logbase_ascii) | |
2acceee2 | 78 | fputc_unfiltered (' ', stream); |
c906108c SS |
79 | |
80 | switch (ch) | |
81 | { | |
82 | case SERIAL_TIMEOUT: | |
2acceee2 | 83 | fprintf_unfiltered (stream, "<Timeout: %d seconds>", timeout); |
c906108c SS |
84 | return; |
85 | case SERIAL_ERROR: | |
2acceee2 | 86 | fprintf_unfiltered (stream, "<Error: %s>", safe_strerror (errno)); |
c906108c SS |
87 | return; |
88 | case SERIAL_EOF: | |
2acceee2 | 89 | fputs_unfiltered ("<Eof>", stream); |
c906108c SS |
90 | return; |
91 | case SERIAL_BREAK: | |
2acceee2 | 92 | fputs_unfiltered ("<Break>", stream); |
c906108c SS |
93 | return; |
94 | default: | |
95 | if (serial_logbase == logbase_hex) | |
2acceee2 | 96 | fprintf_unfiltered (stream, "%02x", ch & 0xff); |
c906108c | 97 | else if (serial_logbase == logbase_octal) |
2acceee2 | 98 | fprintf_unfiltered (stream, "%03o", ch & 0xff); |
c906108c SS |
99 | else |
100 | switch (ch) | |
101 | { | |
c5aa993b | 102 | case '\\': |
2acceee2 | 103 | fputs_unfiltered ("\\\\", stream); |
c5aa993b JM |
104 | break; |
105 | case '\b': | |
2acceee2 | 106 | fputs_unfiltered ("\\b", stream); |
c5aa993b JM |
107 | break; |
108 | case '\f': | |
2acceee2 | 109 | fputs_unfiltered ("\\f", stream); |
c5aa993b JM |
110 | break; |
111 | case '\n': | |
2acceee2 | 112 | fputs_unfiltered ("\\n", stream); |
c5aa993b JM |
113 | break; |
114 | case '\r': | |
2acceee2 | 115 | fputs_unfiltered ("\\r", stream); |
c5aa993b JM |
116 | break; |
117 | case '\t': | |
2acceee2 | 118 | fputs_unfiltered ("\\t", stream); |
c5aa993b JM |
119 | break; |
120 | case '\v': | |
2acceee2 | 121 | fputs_unfiltered ("\\v", stream); |
c5aa993b JM |
122 | break; |
123 | default: | |
3e43a32a MS |
124 | fprintf_unfiltered (stream, |
125 | isprint (ch) ? "%c" : "\\x%02x", ch & 0xFF); | |
c5aa993b | 126 | break; |
c906108c SS |
127 | } |
128 | } | |
129 | } | |
130 | ||
131 | void | |
4ab76ea3 | 132 | serial_log_command (struct target_ops *self, const char *cmd) |
c906108c SS |
133 | { |
134 | if (!serial_logfp) | |
135 | return; | |
136 | ||
137 | serial_current_type = 'c'; | |
138 | ||
139 | fputs_unfiltered ("\nc ", serial_logfp); | |
140 | fputs_unfiltered (cmd, serial_logfp); | |
141 | ||
142 | /* Make sure that the log file is as up-to-date as possible, | |
c378eb4e | 143 | in case we are getting ready to dump core or something. */ |
c906108c SS |
144 | gdb_flush (serial_logfp); |
145 | } | |
146 | ||
c2c6d25f | 147 | \f |
fcd488ca | 148 | static const struct serial_ops * |
58f07bae | 149 | serial_interface_lookup (const char *name) |
c906108c | 150 | { |
fcd488ca TT |
151 | const struct serial_ops *ops; |
152 | int i; | |
c906108c | 153 | |
fcd488ca | 154 | for (i = 0; VEC_iterate (serial_ops_p, serial_ops_list, i, ops); ++i) |
c906108c SS |
155 | if (strcmp (name, ops->name) == 0) |
156 | return ops; | |
157 | ||
158 | return NULL; | |
159 | } | |
160 | ||
161 | void | |
fcd488ca | 162 | serial_add_interface (const struct serial_ops *optable) |
c906108c | 163 | { |
fcd488ca | 164 | VEC_safe_push (serial_ops_p, serial_ops_list, optable); |
c906108c SS |
165 | } |
166 | ||
5eb3b062 PA |
167 | /* Return the open serial device for FD, if found, or NULL if FD is |
168 | not already opened. */ | |
169 | ||
170 | struct serial * | |
171 | serial_for_fd (int fd) | |
172 | { | |
173 | struct serial *scb; | |
174 | ||
175 | for (scb = scb_base; scb; scb = scb->next) | |
176 | if (scb->fd == fd) | |
177 | return scb; | |
178 | ||
179 | return NULL; | |
180 | } | |
181 | ||
00340e1b PA |
182 | /* Create a new serial for OPS. */ |
183 | ||
184 | static struct serial * | |
185 | new_serial (const struct serial_ops *ops) | |
186 | { | |
187 | struct serial *scb; | |
188 | ||
189 | scb = XCNEW (struct serial); | |
190 | ||
191 | scb->ops = ops; | |
192 | ||
193 | scb->bufp = scb->buf; | |
194 | scb->error_fd = -1; | |
195 | scb->refcnt = 1; | |
196 | ||
197 | return scb; | |
198 | } | |
199 | ||
200 | static struct serial *serial_open_ops_1 (const struct serial_ops *ops, | |
201 | const char *open_name); | |
202 | ||
c378eb4e | 203 | /* Open up a device or a network socket, depending upon the syntax of NAME. */ |
c906108c | 204 | |
819cc324 | 205 | struct serial * |
c2c6d25f | 206 | serial_open (const char *name) |
c906108c | 207 | { |
819cc324 | 208 | struct serial *scb; |
fcd488ca | 209 | const struct serial_ops *ops; |
c2c6d25f | 210 | const char *open_name = name; |
c906108c | 211 | |
ca1ca08b | 212 | if (startswith (name, "|")) |
c2c6d25f JM |
213 | { |
214 | ops = serial_interface_lookup ("pipe"); | |
8b9e3a15 VP |
215 | /* Discard ``|'' and any space before the command itself. */ |
216 | ++open_name; | |
529480d0 | 217 | open_name = skip_spaces_const (open_name); |
c2c6d25f | 218 | } |
2821caf1 JB |
219 | /* Check for a colon, suggesting an IP address/port pair. |
220 | Do this *after* checking for all the interesting prefixes. We | |
221 | don't want to constrain the syntax of what can follow them. */ | |
222 | else if (strchr (name, ':')) | |
223 | ops = serial_interface_lookup ("tcp"); | |
c906108c SS |
224 | else |
225 | ops = serial_interface_lookup ("hardwire"); | |
226 | ||
227 | if (!ops) | |
228 | return NULL; | |
229 | ||
00340e1b PA |
230 | return serial_open_ops_1 (ops, open_name); |
231 | } | |
c906108c | 232 | |
00340e1b | 233 | /* Open up a serial for OPS, passing OPEN_NAME to the open method. */ |
c906108c | 234 | |
00340e1b PA |
235 | static struct serial * |
236 | serial_open_ops_1 (const struct serial_ops *ops, const char *open_name) | |
237 | { | |
238 | struct serial *scb; | |
239 | ||
240 | scb = new_serial (ops); | |
c906108c | 241 | |
766062f6 | 242 | /* `...->open (...)' would get expanded by the open(2) syscall macro. */ |
652aaa24 | 243 | if ((*scb->ops->open) (scb, open_name)) |
c906108c | 244 | { |
b8c9b27d | 245 | xfree (scb); |
c906108c SS |
246 | return NULL; |
247 | } | |
248 | ||
5eb3b062 | 249 | scb->next = scb_base; |
5eb3b062 | 250 | scb_base = scb; |
c906108c SS |
251 | |
252 | if (serial_logfile != NULL) | |
253 | { | |
d7e74731 PA |
254 | stdio_file_up file (new stdio_file ()); |
255 | ||
256 | if (!file->open (serial_logfile, "w")) | |
c906108c | 257 | perror_with_name (serial_logfile); |
d7e74731 PA |
258 | |
259 | serial_logfp = file.release (); | |
c906108c SS |
260 | } |
261 | ||
262 | return scb; | |
263 | } | |
264 | ||
00340e1b PA |
265 | /* See serial.h. */ |
266 | ||
267 | struct serial * | |
268 | serial_open_ops (const struct serial_ops *ops) | |
269 | { | |
270 | return serial_open_ops_1 (ops, NULL); | |
271 | } | |
272 | ||
58f07bae PA |
273 | /* Open a new serial stream using a file handle, using serial |
274 | interface ops OPS. */ | |
275 | ||
276 | static struct serial * | |
fcd488ca | 277 | serial_fdopen_ops (const int fd, const struct serial_ops *ops) |
c906108c | 278 | { |
819cc324 | 279 | struct serial *scb; |
c906108c | 280 | |
0ea3f30e | 281 | if (!ops) |
58f07bae PA |
282 | { |
283 | ops = serial_interface_lookup ("terminal"); | |
284 | if (!ops) | |
285 | ops = serial_interface_lookup ("hardwire"); | |
286 | } | |
c906108c SS |
287 | |
288 | if (!ops) | |
289 | return NULL; | |
290 | ||
00340e1b | 291 | scb = new_serial (ops); |
c906108c | 292 | |
5eb3b062 | 293 | scb->next = scb_base; |
5eb3b062 | 294 | scb_base = scb; |
c906108c | 295 | |
58f07bae PA |
296 | if ((ops->fdopen) != NULL) |
297 | (*ops->fdopen) (scb, fd); | |
298 | else | |
299 | scb->fd = fd; | |
300 | ||
c906108c SS |
301 | return scb; |
302 | } | |
303 | ||
58f07bae PA |
304 | struct serial * |
305 | serial_fdopen (const int fd) | |
306 | { | |
307 | return serial_fdopen_ops (fd, NULL); | |
308 | } | |
309 | ||
c2c6d25f | 310 | static void |
819cc324 | 311 | do_serial_close (struct serial *scb, int really_close) |
c906108c | 312 | { |
819cc324 | 313 | struct serial *tmp_scb; |
c906108c | 314 | |
c906108c SS |
315 | if (serial_logfp) |
316 | { | |
317 | fputs_unfiltered ("\nEnd of log\n", serial_logfp); | |
318 | serial_current_type = 0; | |
319 | ||
c378eb4e | 320 | /* XXX - What if serial_logfp == gdb_stdout or gdb_stderr? */ |
d7e74731 | 321 | delete serial_logfp; |
c906108c SS |
322 | serial_logfp = NULL; |
323 | } | |
324 | ||
c378eb4e | 325 | /* ensure that the FD has been taken out of async mode. */ |
c2c6d25f JM |
326 | if (scb->async_handler != NULL) |
327 | serial_async (scb, NULL, NULL); | |
328 | ||
c906108c SS |
329 | if (really_close) |
330 | scb->ops->close (scb); | |
331 | ||
ddefb60f PA |
332 | /* For serial_is_open. */ |
333 | scb->bufp = NULL; | |
334 | ||
5eb3b062 PA |
335 | if (scb_base == scb) |
336 | scb_base = scb_base->next; | |
337 | else | |
338 | for (tmp_scb = scb_base; tmp_scb; tmp_scb = tmp_scb->next) | |
339 | { | |
340 | if (tmp_scb->next != scb) | |
341 | continue; | |
342 | ||
343 | tmp_scb->next = tmp_scb->next->next; | |
344 | break; | |
345 | } | |
346 | ||
ddefb60f | 347 | serial_unref (scb); |
c906108c SS |
348 | } |
349 | ||
c2c6d25f | 350 | void |
819cc324 | 351 | serial_close (struct serial *scb) |
c2c6d25f JM |
352 | { |
353 | do_serial_close (scb, 1); | |
354 | } | |
355 | ||
356 | void | |
819cc324 | 357 | serial_un_fdopen (struct serial *scb) |
c2c6d25f JM |
358 | { |
359 | do_serial_close (scb, 0); | |
360 | } | |
361 | ||
ddefb60f PA |
362 | int |
363 | serial_is_open (struct serial *scb) | |
364 | { | |
365 | return scb->bufp != NULL; | |
366 | } | |
367 | ||
368 | void | |
369 | serial_ref (struct serial *scb) | |
370 | { | |
371 | scb->refcnt++; | |
372 | } | |
373 | ||
374 | void | |
375 | serial_unref (struct serial *scb) | |
376 | { | |
377 | --scb->refcnt; | |
378 | if (scb->refcnt == 0) | |
379 | xfree (scb); | |
380 | } | |
381 | ||
c2c6d25f | 382 | int |
819cc324 | 383 | serial_readchar (struct serial *scb, int timeout) |
c2c6d25f JM |
384 | { |
385 | int ch; | |
386 | ||
2df3850c | 387 | /* FIXME: cagney/1999-10-11: Don't enable this check until the ASYNC |
c378eb4e | 388 | code is finished. */ |
2cd58942 | 389 | if (0 && serial_is_async_p (scb) && timeout < 0) |
8e65ff28 | 390 | internal_error (__FILE__, __LINE__, |
e2e0b3e5 | 391 | _("serial_readchar: blocking read in async mode")); |
2df3850c | 392 | |
c2c6d25f JM |
393 | ch = scb->ops->readchar (scb, timeout); |
394 | if (serial_logfp != NULL) | |
395 | { | |
2acceee2 | 396 | serial_logchar (serial_logfp, 'r', ch, timeout); |
c2c6d25f JM |
397 | |
398 | /* Make sure that the log file is as up-to-date as possible, | |
c378eb4e | 399 | in case we are getting ready to dump core or something. */ |
c2c6d25f JM |
400 | gdb_flush (serial_logfp); |
401 | } | |
2cd58942 | 402 | if (serial_debug_p (scb)) |
2acceee2 JM |
403 | { |
404 | fprintf_unfiltered (gdb_stdlog, "["); | |
405 | serial_logchar (gdb_stdlog, 'r', ch, timeout); | |
406 | fprintf_unfiltered (gdb_stdlog, "]"); | |
407 | gdb_flush (gdb_stdlog); | |
408 | } | |
c2c6d25f JM |
409 | |
410 | return (ch); | |
411 | } | |
412 | ||
413 | int | |
c628b528 | 414 | serial_write (struct serial *scb, const void *buf, size_t count) |
c2c6d25f JM |
415 | { |
416 | if (serial_logfp != NULL) | |
417 | { | |
19ba03f4 | 418 | const char *str = (const char *) buf; |
c628b528 | 419 | size_t c; |
c2c6d25f | 420 | |
c628b528 PA |
421 | for (c = 0; c < count; c++) |
422 | serial_logchar (serial_logfp, 'w', str[c] & 0xff, 0); | |
c2c6d25f JM |
423 | |
424 | /* Make sure that the log file is as up-to-date as possible, | |
c378eb4e | 425 | in case we are getting ready to dump core or something. */ |
c2c6d25f JM |
426 | gdb_flush (serial_logfp); |
427 | } | |
9214d371 DE |
428 | if (serial_debug_p (scb)) |
429 | { | |
19ba03f4 | 430 | const char *str = (const char *) buf; |
c628b528 | 431 | size_t c; |
9214d371 | 432 | |
c628b528 | 433 | for (c = 0; c < count; c++) |
9214d371 DE |
434 | { |
435 | fprintf_unfiltered (gdb_stdlog, "["); | |
0e58ee40 | 436 | serial_logchar (gdb_stdlog, 'w', str[c] & 0xff, 0); |
9214d371 DE |
437 | fprintf_unfiltered (gdb_stdlog, "]"); |
438 | } | |
439 | gdb_flush (gdb_stdlog); | |
440 | } | |
c2c6d25f | 441 | |
c628b528 | 442 | return (scb->ops->write (scb, buf, count)); |
c2c6d25f JM |
443 | } |
444 | ||
445 | void | |
819cc324 | 446 | serial_printf (struct serial *desc, const char *format,...) |
c2c6d25f JM |
447 | { |
448 | va_list args; | |
449 | char *buf; | |
450 | va_start (args, format); | |
451 | ||
e623b504 | 452 | buf = xstrvprintf (format, args); |
2cd58942 | 453 | serial_write (desc, buf, strlen (buf)); |
c2c6d25f | 454 | |
b8c9b27d | 455 | xfree (buf); |
c2c6d25f JM |
456 | va_end (args); |
457 | } | |
458 | ||
459 | int | |
819cc324 | 460 | serial_drain_output (struct serial *scb) |
c2c6d25f JM |
461 | { |
462 | return scb->ops->drain_output (scb); | |
463 | } | |
464 | ||
465 | int | |
819cc324 | 466 | serial_flush_output (struct serial *scb) |
c2c6d25f JM |
467 | { |
468 | return scb->ops->flush_output (scb); | |
469 | } | |
470 | ||
471 | int | |
819cc324 | 472 | serial_flush_input (struct serial *scb) |
c2c6d25f JM |
473 | { |
474 | return scb->ops->flush_input (scb); | |
475 | } | |
476 | ||
477 | int | |
819cc324 | 478 | serial_send_break (struct serial *scb) |
c2c6d25f JM |
479 | { |
480 | if (serial_logfp != NULL) | |
2acceee2 | 481 | serial_logchar (serial_logfp, 'w', SERIAL_BREAK, 0); |
c2c6d25f JM |
482 | |
483 | return (scb->ops->send_break (scb)); | |
484 | } | |
485 | ||
486 | void | |
819cc324 | 487 | serial_raw (struct serial *scb) |
c2c6d25f JM |
488 | { |
489 | scb->ops->go_raw (scb); | |
490 | } | |
491 | ||
492 | serial_ttystate | |
819cc324 | 493 | serial_get_tty_state (struct serial *scb) |
c2c6d25f JM |
494 | { |
495 | return scb->ops->get_tty_state (scb); | |
496 | } | |
497 | ||
1e182ce8 UW |
498 | serial_ttystate |
499 | serial_copy_tty_state (struct serial *scb, serial_ttystate ttystate) | |
500 | { | |
501 | return scb->ops->copy_tty_state (scb, ttystate); | |
502 | } | |
503 | ||
c2c6d25f | 504 | int |
819cc324 | 505 | serial_set_tty_state (struct serial *scb, serial_ttystate ttystate) |
c2c6d25f JM |
506 | { |
507 | return scb->ops->set_tty_state (scb, ttystate); | |
508 | } | |
509 | ||
510 | void | |
819cc324 | 511 | serial_print_tty_state (struct serial *scb, |
c2c6d25f | 512 | serial_ttystate ttystate, |
d9fcf2fb | 513 | struct ui_file *stream) |
c2c6d25f JM |
514 | { |
515 | scb->ops->print_tty_state (scb, ttystate, stream); | |
516 | } | |
517 | ||
518 | int | |
819cc324 | 519 | serial_noflush_set_tty_state (struct serial *scb, |
c2c6d25f JM |
520 | serial_ttystate new_ttystate, |
521 | serial_ttystate old_ttystate) | |
522 | { | |
523 | return scb->ops->noflush_set_tty_state (scb, new_ttystate, old_ttystate); | |
524 | } | |
525 | ||
526 | int | |
819cc324 | 527 | serial_setbaudrate (struct serial *scb, int rate) |
c2c6d25f JM |
528 | { |
529 | return scb->ops->setbaudrate (scb, rate); | |
530 | } | |
531 | ||
532 | int | |
819cc324 | 533 | serial_setstopbits (struct serial *scb, int num) |
c2c6d25f JM |
534 | { |
535 | return scb->ops->setstopbits (scb, num); | |
536 | } | |
537 | ||
236af5e3 YG |
538 | /* See serial.h. */ |
539 | ||
540 | int | |
541 | serial_setparity (struct serial *scb, int parity) | |
542 | { | |
543 | return scb->ops->setparity (scb, parity); | |
544 | } | |
545 | ||
c2c6d25f | 546 | int |
819cc324 | 547 | serial_can_async_p (struct serial *scb) |
c2c6d25f JM |
548 | { |
549 | return (scb->ops->async != NULL); | |
550 | } | |
551 | ||
552 | int | |
819cc324 | 553 | serial_is_async_p (struct serial *scb) |
c2c6d25f JM |
554 | { |
555 | return (scb->ops->async != NULL) && (scb->async_handler != NULL); | |
556 | } | |
557 | ||
558 | void | |
819cc324 | 559 | serial_async (struct serial *scb, |
c2c6d25f JM |
560 | serial_event_ftype *handler, |
561 | void *context) | |
562 | { | |
05ce04a4 | 563 | int changed = ((scb->async_handler == NULL) != (handler == NULL)); |
433759f7 | 564 | |
c2c6d25f JM |
565 | scb->async_handler = handler; |
566 | scb->async_context = context; | |
05ce04a4 VP |
567 | /* Only change mode if there is a need. */ |
568 | if (changed) | |
569 | scb->ops->async (scb, handler != NULL); | |
c2c6d25f JM |
570 | } |
571 | ||
2acceee2 | 572 | void |
819cc324 | 573 | serial_debug (struct serial *scb, int debug_p) |
2acceee2 JM |
574 | { |
575 | scb->debug_p = debug_p; | |
576 | } | |
577 | ||
578 | int | |
819cc324 | 579 | serial_debug_p (struct serial *scb) |
2acceee2 JM |
580 | { |
581 | return scb->debug_p || global_serial_debug_p; | |
582 | } | |
583 | ||
0ea3f30e DJ |
584 | #ifdef USE_WIN32API |
585 | void | |
586 | serial_wait_handle (struct serial *scb, HANDLE *read, HANDLE *except) | |
587 | { | |
588 | if (scb->ops->wait_handle) | |
589 | scb->ops->wait_handle (scb, read, except); | |
590 | else | |
591 | { | |
592 | *read = (HANDLE) _get_osfhandle (scb->fd); | |
593 | *except = NULL; | |
594 | } | |
595 | } | |
c3e2b812 DJ |
596 | |
597 | void | |
598 | serial_done_wait_handle (struct serial *scb) | |
599 | { | |
600 | if (scb->ops->done_wait_handle) | |
601 | scb->ops->done_wait_handle (scb); | |
602 | } | |
0ea3f30e | 603 | #endif |
2acceee2 | 604 | |
58f07bae PA |
605 | int |
606 | serial_pipe (struct serial *scbs[2]) | |
607 | { | |
fcd488ca | 608 | const struct serial_ops *ops; |
58f07bae PA |
609 | int fildes[2]; |
610 | ||
611 | ops = serial_interface_lookup ("pipe"); | |
612 | if (!ops) | |
613 | { | |
614 | errno = ENOSYS; | |
615 | return -1; | |
616 | } | |
617 | ||
618 | if (gdb_pipe (fildes) == -1) | |
619 | return -1; | |
620 | ||
621 | scbs[0] = serial_fdopen_ops (fildes[0], ops); | |
622 | scbs[1] = serial_fdopen_ops (fildes[1], ops); | |
623 | return 0; | |
624 | } | |
625 | ||
e3abfe1d AC |
626 | /* Serial set/show framework. */ |
627 | ||
628 | static struct cmd_list_element *serial_set_cmdlist; | |
629 | static struct cmd_list_element *serial_show_cmdlist; | |
630 | ||
631 | static void | |
632 | serial_set_cmd (char *args, int from_tty) | |
633 | { | |
3e43a32a MS |
634 | printf_unfiltered ("\"set serial\" must be followed " |
635 | "by the name of a command.\n"); | |
635c7e8a | 636 | help_list (serial_set_cmdlist, "set serial ", all_commands, gdb_stdout); |
e3abfe1d AC |
637 | } |
638 | ||
639 | static void | |
640 | serial_show_cmd (char *args, int from_tty) | |
641 | { | |
642 | cmd_show_list (serial_show_cmdlist, from_tty, ""); | |
643 | } | |
644 | ||
0d12017b JB |
645 | /* Baud rate specified for talking to serial target systems. Default |
646 | is left as -1, so targets can choose their own defaults. */ | |
647 | /* FIXME: This means that "show serial baud" and gr_files_info can | |
648 | print -1 or (unsigned int)-1. This is a Bad User Interface. */ | |
649 | ||
650 | int baud_rate = -1; | |
651 | ||
652 | static void | |
653 | serial_baud_show_cmd (struct ui_file *file, int from_tty, | |
654 | struct cmd_list_element *c, const char *value) | |
655 | { | |
656 | fprintf_filtered (file, _("Baud rate for remote serial I/O is %s.\n"), | |
657 | value); | |
658 | } | |
e3abfe1d | 659 | |
236af5e3 YG |
660 | /* Parity for serial port. */ |
661 | ||
662 | int serial_parity = GDBPARITY_NONE; | |
663 | ||
664 | static const char parity_none[] = "none"; | |
665 | static const char parity_odd[] = "odd"; | |
666 | static const char parity_even[] = "even"; | |
667 | static const char *const parity_enums[] = | |
668 | {parity_none, parity_odd, parity_even, NULL}; | |
669 | static const char *parity = parity_none; | |
670 | ||
671 | /* Set serial_parity value. */ | |
672 | ||
673 | static void | |
674 | set_parity (char *ignore_args, int from_tty, struct cmd_list_element *c) | |
675 | { | |
676 | if (parity == parity_odd) | |
677 | serial_parity = GDBPARITY_ODD; | |
678 | else if (parity == parity_even) | |
679 | serial_parity = GDBPARITY_EVEN; | |
680 | else | |
681 | serial_parity = GDBPARITY_NONE; | |
682 | } | |
683 | ||
c906108c | 684 | void |
c2c6d25f | 685 | _initialize_serial (void) |
c906108c SS |
686 | { |
687 | #if 0 | |
1bedd215 AC |
688 | add_com ("connect", class_obscure, connect_command, _("\ |
689 | Connect the terminal directly up to the command monitor.\n\ | |
690 | Use <CR>~. or <CR>~^D to break out.")); | |
c906108c SS |
691 | #endif /* 0 */ |
692 | ||
1bedd215 AC |
693 | add_prefix_cmd ("serial", class_maintenance, serial_set_cmd, _("\ |
694 | Set default serial/parallel port configuration."), | |
e3abfe1d AC |
695 | &serial_set_cmdlist, "set serial ", |
696 | 0/*allow-unknown*/, | |
697 | &setlist); | |
698 | ||
1bedd215 AC |
699 | add_prefix_cmd ("serial", class_maintenance, serial_show_cmd, _("\ |
700 | Show default serial/parallel port configuration."), | |
e3abfe1d AC |
701 | &serial_show_cmdlist, "show serial ", |
702 | 0/*allow-unknown*/, | |
703 | &showlist); | |
704 | ||
0d12017b JB |
705 | /* If target is open when baud changes, it doesn't take effect until |
706 | the next open (I think, not sure). */ | |
707 | add_setshow_zinteger_cmd ("baud", no_class, &baud_rate, _("\ | |
708 | Set baud rate for remote serial I/O."), _("\ | |
709 | Show baud rate for remote serial I/O."), _("\ | |
710 | This value is used to set the speed of the serial port when debugging\n\ | |
711 | using remote targets."), | |
712 | NULL, | |
713 | serial_baud_show_cmd, | |
714 | &serial_set_cmdlist, &serial_show_cmdlist); | |
715 | ||
236af5e3 YG |
716 | add_setshow_enum_cmd ("parity", no_class, parity_enums, |
717 | &parity, _("\ | |
718 | Set parity for remote serial I/O"), _("\ | |
719 | Show parity for remote serial I/O"), NULL, | |
720 | set_parity, | |
721 | NULL, /* FIXME: i18n: */ | |
722 | &serial_set_cmdlist, &serial_show_cmdlist); | |
723 | ||
f397e303 AC |
724 | add_setshow_filename_cmd ("remotelogfile", no_class, &serial_logfile, _("\ |
725 | Set filename for remote session recording."), _("\ | |
726 | Show filename for remote session recording."), _("\ | |
c906108c | 727 | This file is used to record the remote session for future playback\n\ |
f397e303 AC |
728 | by gdbserver."), |
729 | NULL, | |
730 | NULL, /* FIXME: i18n: */ | |
731 | &setlist, &showlist); | |
c906108c | 732 | |
7ab04401 AC |
733 | add_setshow_enum_cmd ("remotelogbase", no_class, logbase_enums, |
734 | &serial_logbase, _("\ | |
735 | Set numerical base for remote session logging"), _("\ | |
736 | Show numerical base for remote session logging"), NULL, | |
737 | NULL, | |
738 | NULL, /* FIXME: i18n: */ | |
739 | &setlist, &showlist); | |
2acceee2 | 740 | |
ccce17b0 YQ |
741 | add_setshow_zuinteger_cmd ("serial", class_maintenance, |
742 | &global_serial_debug_p, _("\ | |
85c07804 AC |
743 | Set serial debugging."), _("\ |
744 | Show serial debugging."), _("\ | |
745 | When non-zero, serial port debugging is enabled."), | |
ccce17b0 YQ |
746 | NULL, |
747 | NULL, /* FIXME: i18n: */ | |
748 | &setdebuglist, &showdebuglist); | |
c906108c | 749 | } |