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Commit | Line | Data |
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c906108c | 1 | /* Generic serial interface routines |
4fcf66da | 2 | |
213516ef | 3 | Copyright (C) 1992-2023 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 | { | |
6cb06a8c | 68 | gdb_printf (stream, "\n%c ", ch_type); |
c906108c SS |
69 | serial_current_type = ch_type; |
70 | } | |
71 | ||
72 | if (serial_logbase != logbase_ascii) | |
a11ac3b3 | 73 | gdb_putc (' ', stream); |
c906108c SS |
74 | |
75 | switch (ch) | |
76 | { | |
77 | case SERIAL_TIMEOUT: | |
6cb06a8c | 78 | gdb_printf (stream, "<Timeout: %d seconds>", timeout); |
c906108c SS |
79 | return; |
80 | case SERIAL_ERROR: | |
6cb06a8c | 81 | gdb_printf (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) | |
6cb06a8c | 91 | gdb_printf (stream, "%02x", ch & 0xff); |
c906108c | 92 | else if (serial_logbase == logbase_octal) |
6cb06a8c | 93 | gdb_printf (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: | |
6cb06a8c TT |
119 | gdb_printf (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 | ||
a2e0acea | 176 | static gdb::unique_xmalloc_ptr<struct serial> |
00340e1b PA |
177 | new_serial (const struct serial_ops *ops) |
178 | { | |
a2e0acea | 179 | gdb::unique_xmalloc_ptr<struct serial> scb (XCNEW (struct serial)); |
00340e1b PA |
180 | |
181 | scb->ops = ops; | |
182 | ||
183 | scb->bufp = scb->buf; | |
184 | scb->error_fd = -1; | |
185 | scb->refcnt = 1; | |
186 | ||
187 | return scb; | |
188 | } | |
189 | ||
190 | static struct serial *serial_open_ops_1 (const struct serial_ops *ops, | |
191 | const char *open_name); | |
192 | ||
c378eb4e | 193 | /* Open up a device or a network socket, depending upon the syntax of NAME. */ |
c906108c | 194 | |
819cc324 | 195 | struct serial * |
c2c6d25f | 196 | serial_open (const char *name) |
c906108c | 197 | { |
fcd488ca | 198 | const struct serial_ops *ops; |
c2c6d25f | 199 | const char *open_name = name; |
c906108c | 200 | |
ca1ca08b | 201 | if (startswith (name, "|")) |
cced7cac | 202 | ops = serial_interface_lookup ("pipe"); |
2821caf1 JB |
203 | /* Check for a colon, suggesting an IP address/port pair. |
204 | Do this *after* checking for all the interesting prefixes. We | |
205 | don't want to constrain the syntax of what can follow them. */ | |
431f22cc | 206 | else if (strchr (name, ':')) |
2821caf1 | 207 | ops = serial_interface_lookup ("tcp"); |
c906108c | 208 | else |
c1168a2f JD |
209 | { |
210 | #ifndef USE_WIN32API | |
211 | /* Check to see if name is a socket. If it is, then treat it | |
dda83cd7 | 212 | as such. Otherwise assume that it's a character device. */ |
c1168a2f | 213 | struct stat sb; |
431f22cc | 214 | if (stat (name, &sb) == 0 && (sb.st_mode & S_IFMT) == S_IFSOCK) |
c1168a2f JD |
215 | ops = serial_interface_lookup ("local"); |
216 | else | |
217 | #endif | |
218 | ops = serial_interface_lookup ("hardwire"); | |
219 | } | |
c906108c SS |
220 | |
221 | if (!ops) | |
a2e0acea | 222 | error (_("could not find serial handler for '%s'"), name); |
c906108c | 223 | |
00340e1b PA |
224 | return serial_open_ops_1 (ops, open_name); |
225 | } | |
c906108c | 226 | |
00340e1b | 227 | /* Open up a serial for OPS, passing OPEN_NAME to the open method. */ |
c906108c | 228 | |
00340e1b PA |
229 | static struct serial * |
230 | serial_open_ops_1 (const struct serial_ops *ops, const char *open_name) | |
231 | { | |
a2e0acea | 232 | gdb::unique_xmalloc_ptr<struct serial> scb = new_serial (ops); |
c906108c | 233 | |
766062f6 | 234 | /* `...->open (...)' would get expanded by the open(2) syscall macro. */ |
a2e0acea | 235 | (*scb->ops->open) (scb.get (), open_name); |
c906108c | 236 | |
4f837581 | 237 | scb->name = open_name != NULL ? xstrdup (open_name) : NULL; |
5eb3b062 | 238 | scb->next = scb_base; |
a2e0acea | 239 | scb_base = scb.get (); |
c906108c | 240 | |
e0700ba4 | 241 | if (!serial_logfile.empty ()) |
c906108c | 242 | { |
d7e74731 PA |
243 | stdio_file_up file (new stdio_file ()); |
244 | ||
e0700ba4 SM |
245 | if (!file->open (serial_logfile.c_str (), "w")) |
246 | perror_with_name (serial_logfile.c_str ()); | |
d7e74731 PA |
247 | |
248 | serial_logfp = file.release (); | |
c906108c SS |
249 | } |
250 | ||
a2e0acea | 251 | return scb.release (); |
c906108c SS |
252 | } |
253 | ||
00340e1b PA |
254 | /* See serial.h. */ |
255 | ||
256 | struct serial * | |
257 | serial_open_ops (const struct serial_ops *ops) | |
258 | { | |
259 | return serial_open_ops_1 (ops, NULL); | |
260 | } | |
261 | ||
58f07bae PA |
262 | /* Open a new serial stream using a file handle, using serial |
263 | interface ops OPS. */ | |
264 | ||
265 | static struct serial * | |
fcd488ca | 266 | serial_fdopen_ops (const int fd, const struct serial_ops *ops) |
c906108c | 267 | { |
0ea3f30e | 268 | if (!ops) |
58f07bae PA |
269 | { |
270 | ops = serial_interface_lookup ("terminal"); | |
271 | if (!ops) | |
24b21115 | 272 | ops = serial_interface_lookup ("hardwire"); |
58f07bae | 273 | } |
c906108c SS |
274 | |
275 | if (!ops) | |
276 | return NULL; | |
277 | ||
a2e0acea | 278 | gdb::unique_xmalloc_ptr<struct serial> scb = new_serial (ops); |
c906108c | 279 | |
4f837581 | 280 | scb->name = NULL; |
5eb3b062 | 281 | scb->next = scb_base; |
a2e0acea | 282 | scb_base = scb.get (); |
c906108c | 283 | |
58f07bae | 284 | if ((ops->fdopen) != NULL) |
a2e0acea | 285 | (*ops->fdopen) (scb.get (), fd); |
58f07bae PA |
286 | else |
287 | scb->fd = fd; | |
288 | ||
a2e0acea | 289 | return scb.release (); |
c906108c SS |
290 | } |
291 | ||
58f07bae PA |
292 | struct serial * |
293 | serial_fdopen (const int fd) | |
294 | { | |
295 | return serial_fdopen_ops (fd, NULL); | |
296 | } | |
297 | ||
c2c6d25f | 298 | static void |
819cc324 | 299 | do_serial_close (struct serial *scb, int really_close) |
c906108c | 300 | { |
819cc324 | 301 | struct serial *tmp_scb; |
c906108c | 302 | |
c906108c SS |
303 | if (serial_logfp) |
304 | { | |
0426ad51 | 305 | gdb_puts ("\nEnd of log\n", serial_logfp); |
c906108c SS |
306 | serial_current_type = 0; |
307 | ||
c378eb4e | 308 | /* XXX - What if serial_logfp == gdb_stdout or gdb_stderr? */ |
d7e74731 | 309 | delete serial_logfp; |
c906108c SS |
310 | serial_logfp = NULL; |
311 | } | |
312 | ||
c378eb4e | 313 | /* ensure that the FD has been taken out of async mode. */ |
c2c6d25f JM |
314 | if (scb->async_handler != NULL) |
315 | serial_async (scb, NULL, NULL); | |
316 | ||
c906108c SS |
317 | if (really_close) |
318 | scb->ops->close (scb); | |
319 | ||
4f837581 PA |
320 | xfree (scb->name); |
321 | ||
ddefb60f PA |
322 | /* For serial_is_open. */ |
323 | scb->bufp = NULL; | |
324 | ||
5eb3b062 PA |
325 | if (scb_base == scb) |
326 | scb_base = scb_base->next; | |
327 | else | |
328 | for (tmp_scb = scb_base; tmp_scb; tmp_scb = tmp_scb->next) | |
329 | { | |
330 | if (tmp_scb->next != scb) | |
331 | continue; | |
332 | ||
333 | tmp_scb->next = tmp_scb->next->next; | |
334 | break; | |
335 | } | |
336 | ||
ddefb60f | 337 | serial_unref (scb); |
c906108c SS |
338 | } |
339 | ||
c2c6d25f | 340 | void |
819cc324 | 341 | serial_close (struct serial *scb) |
c2c6d25f JM |
342 | { |
343 | do_serial_close (scb, 1); | |
344 | } | |
345 | ||
346 | void | |
819cc324 | 347 | serial_un_fdopen (struct serial *scb) |
c2c6d25f JM |
348 | { |
349 | do_serial_close (scb, 0); | |
350 | } | |
351 | ||
ddefb60f PA |
352 | int |
353 | serial_is_open (struct serial *scb) | |
354 | { | |
355 | return scb->bufp != NULL; | |
356 | } | |
357 | ||
358 | void | |
359 | serial_ref (struct serial *scb) | |
360 | { | |
361 | scb->refcnt++; | |
362 | } | |
363 | ||
364 | void | |
365 | serial_unref (struct serial *scb) | |
366 | { | |
367 | --scb->refcnt; | |
368 | if (scb->refcnt == 0) | |
369 | xfree (scb); | |
370 | } | |
371 | ||
c2c6d25f | 372 | int |
819cc324 | 373 | serial_readchar (struct serial *scb, int timeout) |
c2c6d25f JM |
374 | { |
375 | int ch; | |
376 | ||
2df3850c | 377 | /* FIXME: cagney/1999-10-11: Don't enable this check until the ASYNC |
c378eb4e | 378 | code is finished. */ |
2cd58942 | 379 | if (0 && serial_is_async_p (scb) && timeout < 0) |
f34652de | 380 | internal_error (_("serial_readchar: blocking read in async mode")); |
2df3850c | 381 | |
c2c6d25f JM |
382 | ch = scb->ops->readchar (scb, timeout); |
383 | if (serial_logfp != NULL) | |
384 | { | |
2acceee2 | 385 | serial_logchar (serial_logfp, 'r', ch, timeout); |
c2c6d25f JM |
386 | |
387 | /* Make sure that the log file is as up-to-date as possible, | |
dda83cd7 | 388 | in case we are getting ready to dump core or something. */ |
c2c6d25f JM |
389 | gdb_flush (serial_logfp); |
390 | } | |
2cd58942 | 391 | if (serial_debug_p (scb)) |
2acceee2 | 392 | { |
6cb06a8c | 393 | gdb_printf (gdb_stdlog, "["); |
2acceee2 | 394 | serial_logchar (gdb_stdlog, 'r', ch, timeout); |
6cb06a8c | 395 | gdb_printf (gdb_stdlog, "]"); |
2acceee2 JM |
396 | gdb_flush (gdb_stdlog); |
397 | } | |
c2c6d25f JM |
398 | |
399 | return (ch); | |
400 | } | |
401 | ||
402 | int | |
c628b528 | 403 | serial_write (struct serial *scb, const void *buf, size_t count) |
c2c6d25f JM |
404 | { |
405 | if (serial_logfp != NULL) | |
406 | { | |
19ba03f4 | 407 | const char *str = (const char *) buf; |
c628b528 | 408 | size_t c; |
c2c6d25f | 409 | |
c628b528 PA |
410 | for (c = 0; c < count; c++) |
411 | serial_logchar (serial_logfp, 'w', str[c] & 0xff, 0); | |
c2c6d25f JM |
412 | |
413 | /* Make sure that the log file is as up-to-date as possible, | |
dda83cd7 | 414 | in case we are getting ready to dump core or something. */ |
c2c6d25f JM |
415 | gdb_flush (serial_logfp); |
416 | } | |
9214d371 DE |
417 | if (serial_debug_p (scb)) |
418 | { | |
19ba03f4 | 419 | const char *str = (const char *) buf; |
c628b528 | 420 | size_t c; |
9214d371 | 421 | |
c628b528 | 422 | for (c = 0; c < count; c++) |
9214d371 | 423 | { |
6cb06a8c | 424 | gdb_printf (gdb_stdlog, "["); |
0e58ee40 | 425 | serial_logchar (gdb_stdlog, 'w', str[c] & 0xff, 0); |
6cb06a8c | 426 | gdb_printf (gdb_stdlog, "]"); |
9214d371 DE |
427 | } |
428 | gdb_flush (gdb_stdlog); | |
429 | } | |
c2c6d25f | 430 | |
c628b528 | 431 | return (scb->ops->write (scb, buf, count)); |
c2c6d25f JM |
432 | } |
433 | ||
434 | void | |
467dc1e2 | 435 | serial_printf (struct serial *desc, const char *format, ...) |
c2c6d25f JM |
436 | { |
437 | va_list args; | |
c2c6d25f JM |
438 | va_start (args, format); |
439 | ||
467dc1e2 SM |
440 | std::string buf = string_vprintf (format, args); |
441 | serial_write (desc, buf.c_str (), buf.length ()); | |
c2c6d25f | 442 | |
c2c6d25f JM |
443 | va_end (args); |
444 | } | |
445 | ||
446 | int | |
819cc324 | 447 | serial_drain_output (struct serial *scb) |
c2c6d25f JM |
448 | { |
449 | return scb->ops->drain_output (scb); | |
450 | } | |
451 | ||
452 | int | |
819cc324 | 453 | serial_flush_output (struct serial *scb) |
c2c6d25f JM |
454 | { |
455 | return scb->ops->flush_output (scb); | |
456 | } | |
457 | ||
458 | int | |
819cc324 | 459 | serial_flush_input (struct serial *scb) |
c2c6d25f JM |
460 | { |
461 | return scb->ops->flush_input (scb); | |
462 | } | |
463 | ||
464 | int | |
819cc324 | 465 | serial_send_break (struct serial *scb) |
c2c6d25f JM |
466 | { |
467 | if (serial_logfp != NULL) | |
2acceee2 | 468 | serial_logchar (serial_logfp, 'w', SERIAL_BREAK, 0); |
c2c6d25f JM |
469 | |
470 | return (scb->ops->send_break (scb)); | |
471 | } | |
472 | ||
473 | void | |
819cc324 | 474 | serial_raw (struct serial *scb) |
c2c6d25f JM |
475 | { |
476 | scb->ops->go_raw (scb); | |
477 | } | |
478 | ||
479 | serial_ttystate | |
819cc324 | 480 | serial_get_tty_state (struct serial *scb) |
c2c6d25f JM |
481 | { |
482 | return scb->ops->get_tty_state (scb); | |
483 | } | |
484 | ||
1e182ce8 UW |
485 | serial_ttystate |
486 | serial_copy_tty_state (struct serial *scb, serial_ttystate ttystate) | |
487 | { | |
488 | return scb->ops->copy_tty_state (scb, ttystate); | |
489 | } | |
490 | ||
c2c6d25f | 491 | int |
819cc324 | 492 | serial_set_tty_state (struct serial *scb, serial_ttystate ttystate) |
c2c6d25f JM |
493 | { |
494 | return scb->ops->set_tty_state (scb, ttystate); | |
495 | } | |
496 | ||
497 | void | |
819cc324 | 498 | serial_print_tty_state (struct serial *scb, |
c2c6d25f | 499 | serial_ttystate ttystate, |
d9fcf2fb | 500 | struct ui_file *stream) |
c2c6d25f JM |
501 | { |
502 | scb->ops->print_tty_state (scb, ttystate, stream); | |
503 | } | |
504 | ||
ad3cf8c6 | 505 | void |
819cc324 | 506 | serial_setbaudrate (struct serial *scb, int rate) |
c2c6d25f | 507 | { |
ad3cf8c6 | 508 | scb->ops->setbaudrate (scb, rate); |
c2c6d25f JM |
509 | } |
510 | ||
511 | int | |
819cc324 | 512 | serial_setstopbits (struct serial *scb, int num) |
c2c6d25f JM |
513 | { |
514 | return scb->ops->setstopbits (scb, num); | |
515 | } | |
516 | ||
236af5e3 YG |
517 | /* See serial.h. */ |
518 | ||
519 | int | |
520 | serial_setparity (struct serial *scb, int parity) | |
521 | { | |
522 | return scb->ops->setparity (scb, parity); | |
523 | } | |
524 | ||
c2c6d25f | 525 | int |
819cc324 | 526 | serial_can_async_p (struct serial *scb) |
c2c6d25f JM |
527 | { |
528 | return (scb->ops->async != NULL); | |
529 | } | |
530 | ||
531 | int | |
819cc324 | 532 | serial_is_async_p (struct serial *scb) |
c2c6d25f JM |
533 | { |
534 | return (scb->ops->async != NULL) && (scb->async_handler != NULL); | |
535 | } | |
536 | ||
537 | void | |
819cc324 | 538 | serial_async (struct serial *scb, |
c2c6d25f JM |
539 | serial_event_ftype *handler, |
540 | void *context) | |
541 | { | |
05ce04a4 | 542 | int changed = ((scb->async_handler == NULL) != (handler == NULL)); |
433759f7 | 543 | |
c2c6d25f JM |
544 | scb->async_handler = handler; |
545 | scb->async_context = context; | |
05ce04a4 VP |
546 | /* Only change mode if there is a need. */ |
547 | if (changed) | |
548 | scb->ops->async (scb, handler != NULL); | |
c2c6d25f JM |
549 | } |
550 | ||
2acceee2 | 551 | void |
819cc324 | 552 | serial_debug (struct serial *scb, int debug_p) |
2acceee2 JM |
553 | { |
554 | scb->debug_p = debug_p; | |
555 | } | |
556 | ||
557 | int | |
819cc324 | 558 | serial_debug_p (struct serial *scb) |
2acceee2 JM |
559 | { |
560 | return scb->debug_p || global_serial_debug_p; | |
561 | } | |
562 | ||
0ea3f30e DJ |
563 | #ifdef USE_WIN32API |
564 | void | |
565 | serial_wait_handle (struct serial *scb, HANDLE *read, HANDLE *except) | |
566 | { | |
567 | if (scb->ops->wait_handle) | |
568 | scb->ops->wait_handle (scb, read, except); | |
569 | else | |
570 | { | |
571 | *read = (HANDLE) _get_osfhandle (scb->fd); | |
572 | *except = NULL; | |
573 | } | |
574 | } | |
c3e2b812 DJ |
575 | |
576 | void | |
577 | serial_done_wait_handle (struct serial *scb) | |
578 | { | |
579 | if (scb->ops->done_wait_handle) | |
580 | scb->ops->done_wait_handle (scb); | |
581 | } | |
0ea3f30e | 582 | #endif |
2acceee2 | 583 | |
58f07bae PA |
584 | int |
585 | serial_pipe (struct serial *scbs[2]) | |
586 | { | |
fcd488ca | 587 | const struct serial_ops *ops; |
58f07bae PA |
588 | int fildes[2]; |
589 | ||
590 | ops = serial_interface_lookup ("pipe"); | |
591 | if (!ops) | |
592 | { | |
593 | errno = ENOSYS; | |
594 | return -1; | |
595 | } | |
596 | ||
597 | if (gdb_pipe (fildes) == -1) | |
598 | return -1; | |
599 | ||
600 | scbs[0] = serial_fdopen_ops (fildes[0], ops); | |
601 | scbs[1] = serial_fdopen_ops (fildes[1], ops); | |
602 | return 0; | |
603 | } | |
604 | ||
e3abfe1d AC |
605 | /* Serial set/show framework. */ |
606 | ||
607 | static struct cmd_list_element *serial_set_cmdlist; | |
608 | static struct cmd_list_element *serial_show_cmdlist; | |
609 | ||
16e9019e | 610 | /* See serial.h. */ |
0d12017b JB |
611 | |
612 | int baud_rate = -1; | |
613 | ||
614 | static void | |
615 | serial_baud_show_cmd (struct ui_file *file, int from_tty, | |
616 | struct cmd_list_element *c, const char *value) | |
617 | { | |
6cb06a8c TT |
618 | gdb_printf (file, _("Baud rate for remote serial I/O is %s.\n"), |
619 | value); | |
0d12017b | 620 | } |
e3abfe1d | 621 | |
16e9019e | 622 | /* See serial.h. */ |
236af5e3 YG |
623 | |
624 | int serial_parity = GDBPARITY_NONE; | |
625 | ||
626 | static const char parity_none[] = "none"; | |
627 | static const char parity_odd[] = "odd"; | |
628 | static const char parity_even[] = "even"; | |
629 | static const char *const parity_enums[] = | |
630 | {parity_none, parity_odd, parity_even, NULL}; | |
631 | static const char *parity = parity_none; | |
632 | ||
633 | /* Set serial_parity value. */ | |
634 | ||
635 | static void | |
eb4c3f4a | 636 | set_parity (const char *ignore_args, int from_tty, struct cmd_list_element *c) |
236af5e3 YG |
637 | { |
638 | if (parity == parity_odd) | |
639 | serial_parity = GDBPARITY_ODD; | |
640 | else if (parity == parity_even) | |
641 | serial_parity = GDBPARITY_EVEN; | |
642 | else | |
643 | serial_parity = GDBPARITY_NONE; | |
644 | } | |
645 | ||
6c265988 | 646 | void _initialize_serial (); |
c906108c | 647 | void |
6c265988 | 648 | _initialize_serial () |
c906108c SS |
649 | { |
650 | #if 0 | |
1bedd215 AC |
651 | add_com ("connect", class_obscure, connect_command, _("\ |
652 | Connect the terminal directly up to the command monitor.\n\ | |
653 | Use <CR>~. or <CR>~^D to break out.")); | |
c906108c SS |
654 | #endif /* 0 */ |
655 | ||
f54bdb6d SM |
656 | add_setshow_prefix_cmd ("serial", class_maintenance, |
657 | _("Set default serial/parallel port configuration."), | |
658 | _("Show default serial/parallel port configuration."), | |
659 | &serial_set_cmdlist, &serial_show_cmdlist, | |
660 | &setlist, &showlist); | |
e3abfe1d | 661 | |
0d12017b JB |
662 | /* If target is open when baud changes, it doesn't take effect until |
663 | the next open (I think, not sure). */ | |
664 | add_setshow_zinteger_cmd ("baud", no_class, &baud_rate, _("\ | |
665 | Set baud rate for remote serial I/O."), _("\ | |
666 | Show baud rate for remote serial I/O."), _("\ | |
667 | This value is used to set the speed of the serial port when debugging\n\ | |
668 | using remote targets."), | |
669 | NULL, | |
670 | serial_baud_show_cmd, | |
671 | &serial_set_cmdlist, &serial_show_cmdlist); | |
672 | ||
236af5e3 | 673 | add_setshow_enum_cmd ("parity", no_class, parity_enums, |
dda83cd7 | 674 | &parity, _("\ |
590042fc PW |
675 | Set parity for remote serial I/O."), _("\ |
676 | Show parity for remote serial I/O."), NULL, | |
dda83cd7 SM |
677 | set_parity, |
678 | NULL, /* FIXME: i18n: */ | |
679 | &serial_set_cmdlist, &serial_show_cmdlist); | |
236af5e3 | 680 | |
f397e303 AC |
681 | add_setshow_filename_cmd ("remotelogfile", no_class, &serial_logfile, _("\ |
682 | Set filename for remote session recording."), _("\ | |
683 | Show filename for remote session recording."), _("\ | |
c906108c | 684 | This file is used to record the remote session for future playback\n\ |
f397e303 AC |
685 | by gdbserver."), |
686 | NULL, | |
687 | NULL, /* FIXME: i18n: */ | |
688 | &setlist, &showlist); | |
c906108c | 689 | |
7ab04401 AC |
690 | add_setshow_enum_cmd ("remotelogbase", no_class, logbase_enums, |
691 | &serial_logbase, _("\ | |
590042fc PW |
692 | Set numerical base for remote session logging."), _("\ |
693 | Show numerical base for remote session logging."), NULL, | |
7ab04401 AC |
694 | NULL, |
695 | NULL, /* FIXME: i18n: */ | |
696 | &setlist, &showlist); | |
2acceee2 | 697 | |
ccce17b0 YQ |
698 | add_setshow_zuinteger_cmd ("serial", class_maintenance, |
699 | &global_serial_debug_p, _("\ | |
85c07804 AC |
700 | Set serial debugging."), _("\ |
701 | Show serial debugging."), _("\ | |
702 | When non-zero, serial port debugging is enabled."), | |
ccce17b0 YQ |
703 | NULL, |
704 | NULL, /* FIXME: i18n: */ | |
705 | &setdebuglist, &showdebuglist); | |
c906108c | 706 | } |