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Commit | Line | Data |
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c906108c | 1 | /* Generic serial interface routines |
4fcf66da | 2 | |
4a94e368 | 3 | Copyright (C) 1992-2022 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 | 40 | |
e0700ba4 | 41 | static std::string serial_logfile; |
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: | |
0426ad51 | 84 | gdb_puts ("<Eof>", stream); |
c906108c SS |
85 | return; |
86 | case SERIAL_BREAK: | |
0426ad51 | 87 | gdb_puts ("<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 '\\': |
0426ad51 | 98 | gdb_puts ("\\\\", stream); |
c5aa993b JM |
99 | break; |
100 | case '\b': | |
0426ad51 | 101 | gdb_puts ("\\b", stream); |
c5aa993b JM |
102 | break; |
103 | case '\f': | |
0426ad51 | 104 | gdb_puts ("\\f", stream); |
c5aa993b JM |
105 | break; |
106 | case '\n': | |
0426ad51 | 107 | gdb_puts ("\\n", stream); |
c5aa993b JM |
108 | break; |
109 | case '\r': | |
0426ad51 | 110 | gdb_puts ("\\r", stream); |
c5aa993b JM |
111 | break; |
112 | case '\t': | |
0426ad51 | 113 | gdb_puts ("\\t", stream); |
c5aa993b JM |
114 | break; |
115 | case '\v': | |
0426ad51 | 116 | gdb_puts ("\\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 | ||
0426ad51 TT |
134 | gdb_puts ("\nc ", serial_logfp); |
135 | gdb_puts (cmd, serial_logfp); | |
c906108c SS |
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, "|")) |
cced7cac | 204 | ops = serial_interface_lookup ("pipe"); |
2821caf1 JB |
205 | /* Check for a colon, suggesting an IP address/port pair. |
206 | Do this *after* checking for all the interesting prefixes. We | |
207 | don't want to constrain the syntax of what can follow them. */ | |
431f22cc | 208 | else if (strchr (name, ':')) |
2821caf1 | 209 | ops = serial_interface_lookup ("tcp"); |
c906108c | 210 | else |
c1168a2f JD |
211 | { |
212 | #ifndef USE_WIN32API | |
213 | /* Check to see if name is a socket. If it is, then treat it | |
dda83cd7 | 214 | as such. Otherwise assume that it's a character device. */ |
c1168a2f | 215 | struct stat sb; |
431f22cc | 216 | if (stat (name, &sb) == 0 && (sb.st_mode & S_IFMT) == S_IFSOCK) |
c1168a2f JD |
217 | ops = serial_interface_lookup ("local"); |
218 | else | |
219 | #endif | |
220 | ops = serial_interface_lookup ("hardwire"); | |
221 | } | |
c906108c SS |
222 | |
223 | if (!ops) | |
224 | return NULL; | |
225 | ||
00340e1b PA |
226 | return serial_open_ops_1 (ops, open_name); |
227 | } | |
c906108c | 228 | |
00340e1b | 229 | /* Open up a serial for OPS, passing OPEN_NAME to the open method. */ |
c906108c | 230 | |
00340e1b PA |
231 | static struct serial * |
232 | serial_open_ops_1 (const struct serial_ops *ops, const char *open_name) | |
233 | { | |
234 | struct serial *scb; | |
235 | ||
236 | scb = new_serial (ops); | |
c906108c | 237 | |
766062f6 | 238 | /* `...->open (...)' would get expanded by the open(2) syscall macro. */ |
652aaa24 | 239 | if ((*scb->ops->open) (scb, open_name)) |
c906108c | 240 | { |
b8c9b27d | 241 | xfree (scb); |
c906108c SS |
242 | return NULL; |
243 | } | |
244 | ||
4f837581 | 245 | scb->name = open_name != NULL ? xstrdup (open_name) : NULL; |
5eb3b062 | 246 | scb->next = scb_base; |
5eb3b062 | 247 | scb_base = scb; |
c906108c | 248 | |
e0700ba4 | 249 | if (!serial_logfile.empty ()) |
c906108c | 250 | { |
d7e74731 PA |
251 | stdio_file_up file (new stdio_file ()); |
252 | ||
e0700ba4 SM |
253 | if (!file->open (serial_logfile.c_str (), "w")) |
254 | perror_with_name (serial_logfile.c_str ()); | |
d7e74731 PA |
255 | |
256 | serial_logfp = file.release (); | |
c906108c SS |
257 | } |
258 | ||
259 | return scb; | |
260 | } | |
261 | ||
00340e1b PA |
262 | /* See serial.h. */ |
263 | ||
264 | struct serial * | |
265 | serial_open_ops (const struct serial_ops *ops) | |
266 | { | |
267 | return serial_open_ops_1 (ops, NULL); | |
268 | } | |
269 | ||
58f07bae PA |
270 | /* Open a new serial stream using a file handle, using serial |
271 | interface ops OPS. */ | |
272 | ||
273 | static struct serial * | |
fcd488ca | 274 | serial_fdopen_ops (const int fd, const struct serial_ops *ops) |
c906108c | 275 | { |
819cc324 | 276 | struct serial *scb; |
c906108c | 277 | |
0ea3f30e | 278 | if (!ops) |
58f07bae PA |
279 | { |
280 | ops = serial_interface_lookup ("terminal"); | |
281 | if (!ops) | |
24b21115 | 282 | ops = serial_interface_lookup ("hardwire"); |
58f07bae | 283 | } |
c906108c SS |
284 | |
285 | if (!ops) | |
286 | return NULL; | |
287 | ||
00340e1b | 288 | scb = new_serial (ops); |
c906108c | 289 | |
4f837581 | 290 | scb->name = NULL; |
5eb3b062 | 291 | scb->next = scb_base; |
5eb3b062 | 292 | scb_base = scb; |
c906108c | 293 | |
58f07bae PA |
294 | if ((ops->fdopen) != NULL) |
295 | (*ops->fdopen) (scb, fd); | |
296 | else | |
297 | scb->fd = fd; | |
298 | ||
c906108c SS |
299 | return scb; |
300 | } | |
301 | ||
58f07bae PA |
302 | struct serial * |
303 | serial_fdopen (const int fd) | |
304 | { | |
305 | return serial_fdopen_ops (fd, NULL); | |
306 | } | |
307 | ||
c2c6d25f | 308 | static void |
819cc324 | 309 | do_serial_close (struct serial *scb, int really_close) |
c906108c | 310 | { |
819cc324 | 311 | struct serial *tmp_scb; |
c906108c | 312 | |
c906108c SS |
313 | if (serial_logfp) |
314 | { | |
0426ad51 | 315 | gdb_puts ("\nEnd of log\n", serial_logfp); |
c906108c SS |
316 | serial_current_type = 0; |
317 | ||
c378eb4e | 318 | /* XXX - What if serial_logfp == gdb_stdout or gdb_stderr? */ |
d7e74731 | 319 | delete serial_logfp; |
c906108c SS |
320 | serial_logfp = NULL; |
321 | } | |
322 | ||
c378eb4e | 323 | /* ensure that the FD has been taken out of async mode. */ |
c2c6d25f JM |
324 | if (scb->async_handler != NULL) |
325 | serial_async (scb, NULL, NULL); | |
326 | ||
c906108c SS |
327 | if (really_close) |
328 | scb->ops->close (scb); | |
329 | ||
4f837581 PA |
330 | xfree (scb->name); |
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, | |
dda83cd7 | 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, | |
dda83cd7 | 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 | |
467dc1e2 | 446 | serial_printf (struct serial *desc, const char *format, ...) |
c2c6d25f JM |
447 | { |
448 | va_list args; | |
c2c6d25f JM |
449 | va_start (args, format); |
450 | ||
467dc1e2 SM |
451 | std::string buf = string_vprintf (format, args); |
452 | serial_write (desc, buf.c_str (), buf.length ()); | |
c2c6d25f | 453 | |
c2c6d25f JM |
454 | va_end (args); |
455 | } | |
456 | ||
457 | int | |
819cc324 | 458 | serial_drain_output (struct serial *scb) |
c2c6d25f JM |
459 | { |
460 | return scb->ops->drain_output (scb); | |
461 | } | |
462 | ||
463 | int | |
819cc324 | 464 | serial_flush_output (struct serial *scb) |
c2c6d25f JM |
465 | { |
466 | return scb->ops->flush_output (scb); | |
467 | } | |
468 | ||
469 | int | |
819cc324 | 470 | serial_flush_input (struct serial *scb) |
c2c6d25f JM |
471 | { |
472 | return scb->ops->flush_input (scb); | |
473 | } | |
474 | ||
475 | int | |
819cc324 | 476 | serial_send_break (struct serial *scb) |
c2c6d25f JM |
477 | { |
478 | if (serial_logfp != NULL) | |
2acceee2 | 479 | serial_logchar (serial_logfp, 'w', SERIAL_BREAK, 0); |
c2c6d25f JM |
480 | |
481 | return (scb->ops->send_break (scb)); | |
482 | } | |
483 | ||
484 | void | |
819cc324 | 485 | serial_raw (struct serial *scb) |
c2c6d25f JM |
486 | { |
487 | scb->ops->go_raw (scb); | |
488 | } | |
489 | ||
490 | serial_ttystate | |
819cc324 | 491 | serial_get_tty_state (struct serial *scb) |
c2c6d25f JM |
492 | { |
493 | return scb->ops->get_tty_state (scb); | |
494 | } | |
495 | ||
1e182ce8 UW |
496 | serial_ttystate |
497 | serial_copy_tty_state (struct serial *scb, serial_ttystate ttystate) | |
498 | { | |
499 | return scb->ops->copy_tty_state (scb, ttystate); | |
500 | } | |
501 | ||
c2c6d25f | 502 | int |
819cc324 | 503 | serial_set_tty_state (struct serial *scb, serial_ttystate ttystate) |
c2c6d25f JM |
504 | { |
505 | return scb->ops->set_tty_state (scb, ttystate); | |
506 | } | |
507 | ||
508 | void | |
819cc324 | 509 | serial_print_tty_state (struct serial *scb, |
c2c6d25f | 510 | serial_ttystate ttystate, |
d9fcf2fb | 511 | struct ui_file *stream) |
c2c6d25f JM |
512 | { |
513 | scb->ops->print_tty_state (scb, ttystate, stream); | |
514 | } | |
515 | ||
c2c6d25f | 516 | int |
819cc324 | 517 | serial_setbaudrate (struct serial *scb, int rate) |
c2c6d25f JM |
518 | { |
519 | return scb->ops->setbaudrate (scb, rate); | |
520 | } | |
521 | ||
522 | int | |
819cc324 | 523 | serial_setstopbits (struct serial *scb, int num) |
c2c6d25f JM |
524 | { |
525 | return scb->ops->setstopbits (scb, num); | |
526 | } | |
527 | ||
236af5e3 YG |
528 | /* See serial.h. */ |
529 | ||
530 | int | |
531 | serial_setparity (struct serial *scb, int parity) | |
532 | { | |
533 | return scb->ops->setparity (scb, parity); | |
534 | } | |
535 | ||
c2c6d25f | 536 | int |
819cc324 | 537 | serial_can_async_p (struct serial *scb) |
c2c6d25f JM |
538 | { |
539 | return (scb->ops->async != NULL); | |
540 | } | |
541 | ||
542 | int | |
819cc324 | 543 | serial_is_async_p (struct serial *scb) |
c2c6d25f JM |
544 | { |
545 | return (scb->ops->async != NULL) && (scb->async_handler != NULL); | |
546 | } | |
547 | ||
548 | void | |
819cc324 | 549 | serial_async (struct serial *scb, |
c2c6d25f JM |
550 | serial_event_ftype *handler, |
551 | void *context) | |
552 | { | |
05ce04a4 | 553 | int changed = ((scb->async_handler == NULL) != (handler == NULL)); |
433759f7 | 554 | |
c2c6d25f JM |
555 | scb->async_handler = handler; |
556 | scb->async_context = context; | |
05ce04a4 VP |
557 | /* Only change mode if there is a need. */ |
558 | if (changed) | |
559 | scb->ops->async (scb, handler != NULL); | |
c2c6d25f JM |
560 | } |
561 | ||
2acceee2 | 562 | void |
819cc324 | 563 | serial_debug (struct serial *scb, int debug_p) |
2acceee2 JM |
564 | { |
565 | scb->debug_p = debug_p; | |
566 | } | |
567 | ||
568 | int | |
819cc324 | 569 | serial_debug_p (struct serial *scb) |
2acceee2 JM |
570 | { |
571 | return scb->debug_p || global_serial_debug_p; | |
572 | } | |
573 | ||
0ea3f30e DJ |
574 | #ifdef USE_WIN32API |
575 | void | |
576 | serial_wait_handle (struct serial *scb, HANDLE *read, HANDLE *except) | |
577 | { | |
578 | if (scb->ops->wait_handle) | |
579 | scb->ops->wait_handle (scb, read, except); | |
580 | else | |
581 | { | |
582 | *read = (HANDLE) _get_osfhandle (scb->fd); | |
583 | *except = NULL; | |
584 | } | |
585 | } | |
c3e2b812 DJ |
586 | |
587 | void | |
588 | serial_done_wait_handle (struct serial *scb) | |
589 | { | |
590 | if (scb->ops->done_wait_handle) | |
591 | scb->ops->done_wait_handle (scb); | |
592 | } | |
0ea3f30e | 593 | #endif |
2acceee2 | 594 | |
58f07bae PA |
595 | int |
596 | serial_pipe (struct serial *scbs[2]) | |
597 | { | |
fcd488ca | 598 | const struct serial_ops *ops; |
58f07bae PA |
599 | int fildes[2]; |
600 | ||
601 | ops = serial_interface_lookup ("pipe"); | |
602 | if (!ops) | |
603 | { | |
604 | errno = ENOSYS; | |
605 | return -1; | |
606 | } | |
607 | ||
608 | if (gdb_pipe (fildes) == -1) | |
609 | return -1; | |
610 | ||
611 | scbs[0] = serial_fdopen_ops (fildes[0], ops); | |
612 | scbs[1] = serial_fdopen_ops (fildes[1], ops); | |
613 | return 0; | |
614 | } | |
615 | ||
e3abfe1d AC |
616 | /* Serial set/show framework. */ |
617 | ||
618 | static struct cmd_list_element *serial_set_cmdlist; | |
619 | static struct cmd_list_element *serial_show_cmdlist; | |
620 | ||
16e9019e | 621 | /* See serial.h. */ |
0d12017b JB |
622 | |
623 | int baud_rate = -1; | |
624 | ||
625 | static void | |
626 | serial_baud_show_cmd (struct ui_file *file, int from_tty, | |
627 | struct cmd_list_element *c, const char *value) | |
628 | { | |
629 | fprintf_filtered (file, _("Baud rate for remote serial I/O is %s.\n"), | |
630 | value); | |
631 | } | |
e3abfe1d | 632 | |
16e9019e | 633 | /* See serial.h. */ |
236af5e3 YG |
634 | |
635 | int serial_parity = GDBPARITY_NONE; | |
636 | ||
637 | static const char parity_none[] = "none"; | |
638 | static const char parity_odd[] = "odd"; | |
639 | static const char parity_even[] = "even"; | |
640 | static const char *const parity_enums[] = | |
641 | {parity_none, parity_odd, parity_even, NULL}; | |
642 | static const char *parity = parity_none; | |
643 | ||
644 | /* Set serial_parity value. */ | |
645 | ||
646 | static void | |
eb4c3f4a | 647 | set_parity (const char *ignore_args, int from_tty, struct cmd_list_element *c) |
236af5e3 YG |
648 | { |
649 | if (parity == parity_odd) | |
650 | serial_parity = GDBPARITY_ODD; | |
651 | else if (parity == parity_even) | |
652 | serial_parity = GDBPARITY_EVEN; | |
653 | else | |
654 | serial_parity = GDBPARITY_NONE; | |
655 | } | |
656 | ||
6c265988 | 657 | void _initialize_serial (); |
c906108c | 658 | void |
6c265988 | 659 | _initialize_serial () |
c906108c SS |
660 | { |
661 | #if 0 | |
1bedd215 AC |
662 | add_com ("connect", class_obscure, connect_command, _("\ |
663 | Connect the terminal directly up to the command monitor.\n\ | |
664 | Use <CR>~. or <CR>~^D to break out.")); | |
c906108c SS |
665 | #endif /* 0 */ |
666 | ||
f54bdb6d SM |
667 | add_setshow_prefix_cmd ("serial", class_maintenance, |
668 | _("Set default serial/parallel port configuration."), | |
669 | _("Show default serial/parallel port configuration."), | |
670 | &serial_set_cmdlist, &serial_show_cmdlist, | |
671 | &setlist, &showlist); | |
e3abfe1d | 672 | |
0d12017b JB |
673 | /* If target is open when baud changes, it doesn't take effect until |
674 | the next open (I think, not sure). */ | |
675 | add_setshow_zinteger_cmd ("baud", no_class, &baud_rate, _("\ | |
676 | Set baud rate for remote serial I/O."), _("\ | |
677 | Show baud rate for remote serial I/O."), _("\ | |
678 | This value is used to set the speed of the serial port when debugging\n\ | |
679 | using remote targets."), | |
680 | NULL, | |
681 | serial_baud_show_cmd, | |
682 | &serial_set_cmdlist, &serial_show_cmdlist); | |
683 | ||
236af5e3 | 684 | add_setshow_enum_cmd ("parity", no_class, parity_enums, |
dda83cd7 | 685 | &parity, _("\ |
590042fc PW |
686 | Set parity for remote serial I/O."), _("\ |
687 | Show parity for remote serial I/O."), NULL, | |
dda83cd7 SM |
688 | set_parity, |
689 | NULL, /* FIXME: i18n: */ | |
690 | &serial_set_cmdlist, &serial_show_cmdlist); | |
236af5e3 | 691 | |
f397e303 AC |
692 | add_setshow_filename_cmd ("remotelogfile", no_class, &serial_logfile, _("\ |
693 | Set filename for remote session recording."), _("\ | |
694 | Show filename for remote session recording."), _("\ | |
c906108c | 695 | This file is used to record the remote session for future playback\n\ |
f397e303 AC |
696 | by gdbserver."), |
697 | NULL, | |
698 | NULL, /* FIXME: i18n: */ | |
699 | &setlist, &showlist); | |
c906108c | 700 | |
7ab04401 AC |
701 | add_setshow_enum_cmd ("remotelogbase", no_class, logbase_enums, |
702 | &serial_logbase, _("\ | |
590042fc PW |
703 | Set numerical base for remote session logging."), _("\ |
704 | Show numerical base for remote session logging."), NULL, | |
7ab04401 AC |
705 | NULL, |
706 | NULL, /* FIXME: i18n: */ | |
707 | &setlist, &showlist); | |
2acceee2 | 708 | |
ccce17b0 YQ |
709 | add_setshow_zuinteger_cmd ("serial", class_maintenance, |
710 | &global_serial_debug_p, _("\ | |
85c07804 AC |
711 | Set serial debugging."), _("\ |
712 | Show serial debugging."), _("\ | |
713 | When non-zero, serial port debugging is enabled."), | |
ccce17b0 YQ |
714 | NULL, |
715 | NULL, /* FIXME: i18n: */ | |
716 | &setdebuglist, &showdebuglist); | |
c906108c | 717 | } |