Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Generic serial interface routines |
4fcf66da | 2 | |
618f726f | 3 | Copyright (C) 1992-2016 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 | |
50a9e2f1 | 212 | if (strcmp (name, "pc") == 0) |
c906108c | 213 | ops = serial_interface_lookup ("pc"); |
61012eef | 214 | else if (startswith (name, "lpt")) |
c906108c | 215 | ops = serial_interface_lookup ("parallel"); |
61012eef | 216 | else if (startswith (name, "|")) |
c2c6d25f JM |
217 | { |
218 | ops = serial_interface_lookup ("pipe"); | |
8b9e3a15 VP |
219 | /* Discard ``|'' and any space before the command itself. */ |
220 | ++open_name; | |
529480d0 | 221 | open_name = skip_spaces_const (open_name); |
c2c6d25f | 222 | } |
2821caf1 JB |
223 | /* Check for a colon, suggesting an IP address/port pair. |
224 | Do this *after* checking for all the interesting prefixes. We | |
225 | don't want to constrain the syntax of what can follow them. */ | |
226 | else if (strchr (name, ':')) | |
227 | ops = serial_interface_lookup ("tcp"); | |
c906108c SS |
228 | else |
229 | ops = serial_interface_lookup ("hardwire"); | |
230 | ||
231 | if (!ops) | |
232 | return NULL; | |
233 | ||
00340e1b PA |
234 | return serial_open_ops_1 (ops, open_name); |
235 | } | |
c906108c | 236 | |
00340e1b | 237 | /* Open up a serial for OPS, passing OPEN_NAME to the open method. */ |
c906108c | 238 | |
00340e1b PA |
239 | static struct serial * |
240 | serial_open_ops_1 (const struct serial_ops *ops, const char *open_name) | |
241 | { | |
242 | struct serial *scb; | |
243 | ||
244 | scb = new_serial (ops); | |
c906108c | 245 | |
766062f6 | 246 | /* `...->open (...)' would get expanded by the open(2) syscall macro. */ |
652aaa24 | 247 | if ((*scb->ops->open) (scb, open_name)) |
c906108c | 248 | { |
b8c9b27d | 249 | xfree (scb); |
c906108c SS |
250 | return NULL; |
251 | } | |
252 | ||
5eb3b062 | 253 | scb->next = scb_base; |
5eb3b062 | 254 | scb_base = scb; |
c906108c SS |
255 | |
256 | if (serial_logfile != NULL) | |
257 | { | |
258 | serial_logfp = gdb_fopen (serial_logfile, "w"); | |
259 | if (serial_logfp == NULL) | |
260 | perror_with_name (serial_logfile); | |
261 | } | |
262 | ||
263 | return scb; | |
264 | } | |
265 | ||
00340e1b PA |
266 | /* See serial.h. */ |
267 | ||
268 | struct serial * | |
269 | serial_open_ops (const struct serial_ops *ops) | |
270 | { | |
271 | return serial_open_ops_1 (ops, NULL); | |
272 | } | |
273 | ||
58f07bae PA |
274 | /* Open a new serial stream using a file handle, using serial |
275 | interface ops OPS. */ | |
276 | ||
277 | static struct serial * | |
fcd488ca | 278 | serial_fdopen_ops (const int fd, const struct serial_ops *ops) |
c906108c | 279 | { |
819cc324 | 280 | struct serial *scb; |
c906108c | 281 | |
0ea3f30e | 282 | if (!ops) |
58f07bae PA |
283 | { |
284 | ops = serial_interface_lookup ("terminal"); | |
285 | if (!ops) | |
286 | ops = serial_interface_lookup ("hardwire"); | |
287 | } | |
c906108c SS |
288 | |
289 | if (!ops) | |
290 | return NULL; | |
291 | ||
00340e1b | 292 | scb = new_serial (ops); |
c906108c | 293 | |
5eb3b062 | 294 | scb->next = scb_base; |
5eb3b062 | 295 | scb_base = scb; |
c906108c | 296 | |
58f07bae PA |
297 | if ((ops->fdopen) != NULL) |
298 | (*ops->fdopen) (scb, fd); | |
299 | else | |
300 | scb->fd = fd; | |
301 | ||
c906108c SS |
302 | return scb; |
303 | } | |
304 | ||
58f07bae PA |
305 | struct serial * |
306 | serial_fdopen (const int fd) | |
307 | { | |
308 | return serial_fdopen_ops (fd, NULL); | |
309 | } | |
310 | ||
c2c6d25f | 311 | static void |
819cc324 | 312 | do_serial_close (struct serial *scb, int really_close) |
c906108c | 313 | { |
819cc324 | 314 | struct serial *tmp_scb; |
c906108c | 315 | |
c906108c SS |
316 | if (serial_logfp) |
317 | { | |
318 | fputs_unfiltered ("\nEnd of log\n", serial_logfp); | |
319 | serial_current_type = 0; | |
320 | ||
c378eb4e | 321 | /* XXX - What if serial_logfp == gdb_stdout or gdb_stderr? */ |
d9fcf2fb | 322 | ui_file_delete (serial_logfp); |
c906108c SS |
323 | serial_logfp = NULL; |
324 | } | |
325 | ||
c378eb4e | 326 | /* ensure that the FD has been taken out of async mode. */ |
c2c6d25f JM |
327 | if (scb->async_handler != NULL) |
328 | serial_async (scb, NULL, NULL); | |
329 | ||
c906108c SS |
330 | if (really_close) |
331 | scb->ops->close (scb); | |
332 | ||
ddefb60f PA |
333 | /* For serial_is_open. */ |
334 | scb->bufp = NULL; | |
335 | ||
5eb3b062 PA |
336 | if (scb_base == scb) |
337 | scb_base = scb_base->next; | |
338 | else | |
339 | for (tmp_scb = scb_base; tmp_scb; tmp_scb = tmp_scb->next) | |
340 | { | |
341 | if (tmp_scb->next != scb) | |
342 | continue; | |
343 | ||
344 | tmp_scb->next = tmp_scb->next->next; | |
345 | break; | |
346 | } | |
347 | ||
ddefb60f | 348 | serial_unref (scb); |
c906108c SS |
349 | } |
350 | ||
c2c6d25f | 351 | void |
819cc324 | 352 | serial_close (struct serial *scb) |
c2c6d25f JM |
353 | { |
354 | do_serial_close (scb, 1); | |
355 | } | |
356 | ||
357 | void | |
819cc324 | 358 | serial_un_fdopen (struct serial *scb) |
c2c6d25f JM |
359 | { |
360 | do_serial_close (scb, 0); | |
361 | } | |
362 | ||
ddefb60f PA |
363 | int |
364 | serial_is_open (struct serial *scb) | |
365 | { | |
366 | return scb->bufp != NULL; | |
367 | } | |
368 | ||
369 | void | |
370 | serial_ref (struct serial *scb) | |
371 | { | |
372 | scb->refcnt++; | |
373 | } | |
374 | ||
375 | void | |
376 | serial_unref (struct serial *scb) | |
377 | { | |
378 | --scb->refcnt; | |
379 | if (scb->refcnt == 0) | |
380 | xfree (scb); | |
381 | } | |
382 | ||
c2c6d25f | 383 | int |
819cc324 | 384 | serial_readchar (struct serial *scb, int timeout) |
c2c6d25f JM |
385 | { |
386 | int ch; | |
387 | ||
2df3850c | 388 | /* FIXME: cagney/1999-10-11: Don't enable this check until the ASYNC |
c378eb4e | 389 | code is finished. */ |
2cd58942 | 390 | if (0 && serial_is_async_p (scb) && timeout < 0) |
8e65ff28 | 391 | internal_error (__FILE__, __LINE__, |
e2e0b3e5 | 392 | _("serial_readchar: blocking read in async mode")); |
2df3850c | 393 | |
c2c6d25f JM |
394 | ch = scb->ops->readchar (scb, timeout); |
395 | if (serial_logfp != NULL) | |
396 | { | |
2acceee2 | 397 | serial_logchar (serial_logfp, 'r', ch, timeout); |
c2c6d25f JM |
398 | |
399 | /* Make sure that the log file is as up-to-date as possible, | |
c378eb4e | 400 | in case we are getting ready to dump core or something. */ |
c2c6d25f JM |
401 | gdb_flush (serial_logfp); |
402 | } | |
2cd58942 | 403 | if (serial_debug_p (scb)) |
2acceee2 JM |
404 | { |
405 | fprintf_unfiltered (gdb_stdlog, "["); | |
406 | serial_logchar (gdb_stdlog, 'r', ch, timeout); | |
407 | fprintf_unfiltered (gdb_stdlog, "]"); | |
408 | gdb_flush (gdb_stdlog); | |
409 | } | |
c2c6d25f JM |
410 | |
411 | return (ch); | |
412 | } | |
413 | ||
414 | int | |
c628b528 | 415 | serial_write (struct serial *scb, const void *buf, size_t count) |
c2c6d25f JM |
416 | { |
417 | if (serial_logfp != NULL) | |
418 | { | |
19ba03f4 | 419 | const char *str = (const char *) buf; |
c628b528 | 420 | size_t c; |
c2c6d25f | 421 | |
c628b528 PA |
422 | for (c = 0; c < count; c++) |
423 | serial_logchar (serial_logfp, 'w', str[c] & 0xff, 0); | |
c2c6d25f JM |
424 | |
425 | /* Make sure that the log file is as up-to-date as possible, | |
c378eb4e | 426 | in case we are getting ready to dump core or something. */ |
c2c6d25f JM |
427 | gdb_flush (serial_logfp); |
428 | } | |
9214d371 DE |
429 | if (serial_debug_p (scb)) |
430 | { | |
19ba03f4 | 431 | const char *str = (const char *) buf; |
c628b528 | 432 | size_t c; |
9214d371 | 433 | |
c628b528 | 434 | for (c = 0; c < count; c++) |
9214d371 DE |
435 | { |
436 | fprintf_unfiltered (gdb_stdlog, "["); | |
0e58ee40 | 437 | serial_logchar (gdb_stdlog, 'w', str[c] & 0xff, 0); |
9214d371 DE |
438 | fprintf_unfiltered (gdb_stdlog, "]"); |
439 | } | |
440 | gdb_flush (gdb_stdlog); | |
441 | } | |
c2c6d25f | 442 | |
c628b528 | 443 | return (scb->ops->write (scb, buf, count)); |
c2c6d25f JM |
444 | } |
445 | ||
446 | void | |
819cc324 | 447 | serial_printf (struct serial *desc, const char *format,...) |
c2c6d25f JM |
448 | { |
449 | va_list args; | |
450 | char *buf; | |
451 | va_start (args, format); | |
452 | ||
e623b504 | 453 | buf = xstrvprintf (format, args); |
2cd58942 | 454 | serial_write (desc, buf, strlen (buf)); |
c2c6d25f | 455 | |
b8c9b27d | 456 | xfree (buf); |
c2c6d25f JM |
457 | va_end (args); |
458 | } | |
459 | ||
460 | int | |
819cc324 | 461 | serial_drain_output (struct serial *scb) |
c2c6d25f JM |
462 | { |
463 | return scb->ops->drain_output (scb); | |
464 | } | |
465 | ||
466 | int | |
819cc324 | 467 | serial_flush_output (struct serial *scb) |
c2c6d25f JM |
468 | { |
469 | return scb->ops->flush_output (scb); | |
470 | } | |
471 | ||
472 | int | |
819cc324 | 473 | serial_flush_input (struct serial *scb) |
c2c6d25f JM |
474 | { |
475 | return scb->ops->flush_input (scb); | |
476 | } | |
477 | ||
478 | int | |
819cc324 | 479 | serial_send_break (struct serial *scb) |
c2c6d25f JM |
480 | { |
481 | if (serial_logfp != NULL) | |
2acceee2 | 482 | serial_logchar (serial_logfp, 'w', SERIAL_BREAK, 0); |
c2c6d25f JM |
483 | |
484 | return (scb->ops->send_break (scb)); | |
485 | } | |
486 | ||
487 | void | |
819cc324 | 488 | serial_raw (struct serial *scb) |
c2c6d25f JM |
489 | { |
490 | scb->ops->go_raw (scb); | |
491 | } | |
492 | ||
493 | serial_ttystate | |
819cc324 | 494 | serial_get_tty_state (struct serial *scb) |
c2c6d25f JM |
495 | { |
496 | return scb->ops->get_tty_state (scb); | |
497 | } | |
498 | ||
1e182ce8 UW |
499 | serial_ttystate |
500 | serial_copy_tty_state (struct serial *scb, serial_ttystate ttystate) | |
501 | { | |
502 | return scb->ops->copy_tty_state (scb, ttystate); | |
503 | } | |
504 | ||
c2c6d25f | 505 | int |
819cc324 | 506 | serial_set_tty_state (struct serial *scb, serial_ttystate ttystate) |
c2c6d25f JM |
507 | { |
508 | return scb->ops->set_tty_state (scb, ttystate); | |
509 | } | |
510 | ||
511 | void | |
819cc324 | 512 | serial_print_tty_state (struct serial *scb, |
c2c6d25f | 513 | serial_ttystate ttystate, |
d9fcf2fb | 514 | struct ui_file *stream) |
c2c6d25f JM |
515 | { |
516 | scb->ops->print_tty_state (scb, ttystate, stream); | |
517 | } | |
518 | ||
519 | int | |
819cc324 | 520 | serial_noflush_set_tty_state (struct serial *scb, |
c2c6d25f JM |
521 | serial_ttystate new_ttystate, |
522 | serial_ttystate old_ttystate) | |
523 | { | |
524 | return scb->ops->noflush_set_tty_state (scb, new_ttystate, old_ttystate); | |
525 | } | |
526 | ||
527 | int | |
819cc324 | 528 | serial_setbaudrate (struct serial *scb, int rate) |
c2c6d25f JM |
529 | { |
530 | return scb->ops->setbaudrate (scb, rate); | |
531 | } | |
532 | ||
533 | int | |
819cc324 | 534 | serial_setstopbits (struct serial *scb, int num) |
c2c6d25f JM |
535 | { |
536 | return scb->ops->setstopbits (scb, num); | |
537 | } | |
538 | ||
236af5e3 YG |
539 | /* See serial.h. */ |
540 | ||
541 | int | |
542 | serial_setparity (struct serial *scb, int parity) | |
543 | { | |
544 | return scb->ops->setparity (scb, parity); | |
545 | } | |
546 | ||
c2c6d25f | 547 | int |
819cc324 | 548 | serial_can_async_p (struct serial *scb) |
c2c6d25f JM |
549 | { |
550 | return (scb->ops->async != NULL); | |
551 | } | |
552 | ||
553 | int | |
819cc324 | 554 | serial_is_async_p (struct serial *scb) |
c2c6d25f JM |
555 | { |
556 | return (scb->ops->async != NULL) && (scb->async_handler != NULL); | |
557 | } | |
558 | ||
559 | void | |
819cc324 | 560 | serial_async (struct serial *scb, |
c2c6d25f JM |
561 | serial_event_ftype *handler, |
562 | void *context) | |
563 | { | |
05ce04a4 | 564 | int changed = ((scb->async_handler == NULL) != (handler == NULL)); |
433759f7 | 565 | |
c2c6d25f JM |
566 | scb->async_handler = handler; |
567 | scb->async_context = context; | |
05ce04a4 VP |
568 | /* Only change mode if there is a need. */ |
569 | if (changed) | |
570 | scb->ops->async (scb, handler != NULL); | |
c2c6d25f JM |
571 | } |
572 | ||
2acceee2 | 573 | void |
819cc324 | 574 | serial_debug (struct serial *scb, int debug_p) |
2acceee2 JM |
575 | { |
576 | scb->debug_p = debug_p; | |
577 | } | |
578 | ||
579 | int | |
819cc324 | 580 | serial_debug_p (struct serial *scb) |
2acceee2 JM |
581 | { |
582 | return scb->debug_p || global_serial_debug_p; | |
583 | } | |
584 | ||
0ea3f30e DJ |
585 | #ifdef USE_WIN32API |
586 | void | |
587 | serial_wait_handle (struct serial *scb, HANDLE *read, HANDLE *except) | |
588 | { | |
589 | if (scb->ops->wait_handle) | |
590 | scb->ops->wait_handle (scb, read, except); | |
591 | else | |
592 | { | |
593 | *read = (HANDLE) _get_osfhandle (scb->fd); | |
594 | *except = NULL; | |
595 | } | |
596 | } | |
c3e2b812 DJ |
597 | |
598 | void | |
599 | serial_done_wait_handle (struct serial *scb) | |
600 | { | |
601 | if (scb->ops->done_wait_handle) | |
602 | scb->ops->done_wait_handle (scb); | |
603 | } | |
0ea3f30e | 604 | #endif |
2acceee2 | 605 | |
58f07bae PA |
606 | int |
607 | serial_pipe (struct serial *scbs[2]) | |
608 | { | |
fcd488ca | 609 | const struct serial_ops *ops; |
58f07bae PA |
610 | int fildes[2]; |
611 | ||
612 | ops = serial_interface_lookup ("pipe"); | |
613 | if (!ops) | |
614 | { | |
615 | errno = ENOSYS; | |
616 | return -1; | |
617 | } | |
618 | ||
619 | if (gdb_pipe (fildes) == -1) | |
620 | return -1; | |
621 | ||
622 | scbs[0] = serial_fdopen_ops (fildes[0], ops); | |
623 | scbs[1] = serial_fdopen_ops (fildes[1], ops); | |
624 | return 0; | |
625 | } | |
626 | ||
e3abfe1d AC |
627 | /* Serial set/show framework. */ |
628 | ||
629 | static struct cmd_list_element *serial_set_cmdlist; | |
630 | static struct cmd_list_element *serial_show_cmdlist; | |
631 | ||
632 | static void | |
633 | serial_set_cmd (char *args, int from_tty) | |
634 | { | |
3e43a32a MS |
635 | printf_unfiltered ("\"set serial\" must be followed " |
636 | "by the name of a command.\n"); | |
635c7e8a | 637 | help_list (serial_set_cmdlist, "set serial ", all_commands, gdb_stdout); |
e3abfe1d AC |
638 | } |
639 | ||
640 | static void | |
641 | serial_show_cmd (char *args, int from_tty) | |
642 | { | |
643 | cmd_show_list (serial_show_cmdlist, from_tty, ""); | |
644 | } | |
645 | ||
0d12017b JB |
646 | /* Baud rate specified for talking to serial target systems. Default |
647 | is left as -1, so targets can choose their own defaults. */ | |
648 | /* FIXME: This means that "show serial baud" and gr_files_info can | |
649 | print -1 or (unsigned int)-1. This is a Bad User Interface. */ | |
650 | ||
651 | int baud_rate = -1; | |
652 | ||
653 | static void | |
654 | serial_baud_show_cmd (struct ui_file *file, int from_tty, | |
655 | struct cmd_list_element *c, const char *value) | |
656 | { | |
657 | fprintf_filtered (file, _("Baud rate for remote serial I/O is %s.\n"), | |
658 | value); | |
659 | } | |
e3abfe1d | 660 | |
236af5e3 YG |
661 | /* Parity for serial port. */ |
662 | ||
663 | int serial_parity = GDBPARITY_NONE; | |
664 | ||
665 | static const char parity_none[] = "none"; | |
666 | static const char parity_odd[] = "odd"; | |
667 | static const char parity_even[] = "even"; | |
668 | static const char *const parity_enums[] = | |
669 | {parity_none, parity_odd, parity_even, NULL}; | |
670 | static const char *parity = parity_none; | |
671 | ||
672 | /* Set serial_parity value. */ | |
673 | ||
674 | static void | |
675 | set_parity (char *ignore_args, int from_tty, struct cmd_list_element *c) | |
676 | { | |
677 | if (parity == parity_odd) | |
678 | serial_parity = GDBPARITY_ODD; | |
679 | else if (parity == parity_even) | |
680 | serial_parity = GDBPARITY_EVEN; | |
681 | else | |
682 | serial_parity = GDBPARITY_NONE; | |
683 | } | |
684 | ||
c906108c | 685 | void |
c2c6d25f | 686 | _initialize_serial (void) |
c906108c SS |
687 | { |
688 | #if 0 | |
1bedd215 AC |
689 | add_com ("connect", class_obscure, connect_command, _("\ |
690 | Connect the terminal directly up to the command monitor.\n\ | |
691 | Use <CR>~. or <CR>~^D to break out.")); | |
c906108c SS |
692 | #endif /* 0 */ |
693 | ||
1bedd215 AC |
694 | add_prefix_cmd ("serial", class_maintenance, serial_set_cmd, _("\ |
695 | Set default serial/parallel port configuration."), | |
e3abfe1d AC |
696 | &serial_set_cmdlist, "set serial ", |
697 | 0/*allow-unknown*/, | |
698 | &setlist); | |
699 | ||
1bedd215 AC |
700 | add_prefix_cmd ("serial", class_maintenance, serial_show_cmd, _("\ |
701 | Show default serial/parallel port configuration."), | |
e3abfe1d AC |
702 | &serial_show_cmdlist, "show serial ", |
703 | 0/*allow-unknown*/, | |
704 | &showlist); | |
705 | ||
0d12017b JB |
706 | /* If target is open when baud changes, it doesn't take effect until |
707 | the next open (I think, not sure). */ | |
708 | add_setshow_zinteger_cmd ("baud", no_class, &baud_rate, _("\ | |
709 | Set baud rate for remote serial I/O."), _("\ | |
710 | Show baud rate for remote serial I/O."), _("\ | |
711 | This value is used to set the speed of the serial port when debugging\n\ | |
712 | using remote targets."), | |
713 | NULL, | |
714 | serial_baud_show_cmd, | |
715 | &serial_set_cmdlist, &serial_show_cmdlist); | |
716 | ||
236af5e3 YG |
717 | add_setshow_enum_cmd ("parity", no_class, parity_enums, |
718 | &parity, _("\ | |
719 | Set parity for remote serial I/O"), _("\ | |
720 | Show parity for remote serial I/O"), NULL, | |
721 | set_parity, | |
722 | NULL, /* FIXME: i18n: */ | |
723 | &serial_set_cmdlist, &serial_show_cmdlist); | |
724 | ||
f397e303 AC |
725 | add_setshow_filename_cmd ("remotelogfile", no_class, &serial_logfile, _("\ |
726 | Set filename for remote session recording."), _("\ | |
727 | Show filename for remote session recording."), _("\ | |
c906108c | 728 | This file is used to record the remote session for future playback\n\ |
f397e303 AC |
729 | by gdbserver."), |
730 | NULL, | |
731 | NULL, /* FIXME: i18n: */ | |
732 | &setlist, &showlist); | |
c906108c | 733 | |
7ab04401 AC |
734 | add_setshow_enum_cmd ("remotelogbase", no_class, logbase_enums, |
735 | &serial_logbase, _("\ | |
736 | Set numerical base for remote session logging"), _("\ | |
737 | Show numerical base for remote session logging"), NULL, | |
738 | NULL, | |
739 | NULL, /* FIXME: i18n: */ | |
740 | &setlist, &showlist); | |
2acceee2 | 741 | |
ccce17b0 YQ |
742 | add_setshow_zuinteger_cmd ("serial", class_maintenance, |
743 | &global_serial_debug_p, _("\ | |
85c07804 AC |
744 | Set serial debugging."), _("\ |
745 | Show serial debugging."), _("\ | |
746 | When non-zero, serial port debugging is enabled."), | |
ccce17b0 YQ |
747 | NULL, |
748 | NULL, /* FIXME: i18n: */ | |
749 | &setdebuglist, &showdebuglist); | |
c906108c | 750 | } |