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c6f494e8 RP |
1 | /* Generic support for remote debugging interfaces. |
2 | ||
3 | Copyright 1993 Free Software Foundation, Inc. | |
4 | ||
5 | This file is part of GDB. | |
6 | ||
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 | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
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. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
20 | ||
21 | /* This file actually contains two distinct logical "packages". They | |
22 | are packaged together in this one file because they are typically | |
23 | used together. | |
24 | ||
25 | The first package is an addition to the serial package. The | |
26 | addition provides reading and writing with debugging output and | |
27 | timeouts based on user settable variables. These routines are | |
28 | intended to support serial port based remote backends. These | |
29 | functions are prefixed with sr_. | |
30 | ||
31 | The second package is a collection of more or less generic | |
32 | functions for use by remote backends. They support user settable | |
33 | variables for debugging, retries, and the like. | |
34 | ||
35 | Todo: | |
36 | ||
37 | * a pass through mode a la kermit or telnet. | |
38 | * autobaud. | |
39 | * ask remote to change his baud rate. | |
c6f494e8 RP |
40 | */ |
41 | ||
42 | #include <ctype.h> | |
43 | ||
44 | #include "defs.h" | |
45 | #include "gdbcmd.h" | |
46 | #include "target.h" | |
47 | #include "serial.h" | |
48 | #include "gdbcore.h" /* for exec_bfd */ | |
49 | #include "inferior.h" /* for generic_mourn_inferior */ | |
50 | #include "remote-utils.h" | |
51 | ||
52 | struct _sr_settings sr_settings = { | |
c6f494e8 RP |
53 | 4, /* timeout: |
54 | remote-hms.c had 2 | |
55 | remote-bug.c had "with a timeout of 2, we time out waiting for | |
56 | the prompt after an s-record dump." | |
57 | ||
58 | remote.c had (2): This was 5 seconds, which is a long time to | |
59 | sit and wait. Unless this is going though some terminal server | |
60 | or multiplexer or other form of hairy serial connection, I | |
61 | would think 2 seconds would be plenty. | |
62 | */ | |
63 | ||
64 | 10, /* retries */ | |
65 | NULL, /* device */ | |
66 | NULL, /* descriptor */ | |
67 | }; | |
68 | ||
69 | struct gr_settings *gr_settings = NULL; | |
70 | ||
71 | static void | |
72 | usage(proto, junk) | |
73 | char *proto; | |
74 | char *junk; | |
75 | { | |
76 | if (junk != NULL) | |
199b2450 | 77 | fprintf_unfiltered(gdb_stderr, "Unrecognized arguments: `%s'.\n", junk); |
c6f494e8 | 78 | |
9c41f6a6 JK |
79 | error ("Usage: target %s [DEVICE [SPEED [DEBUG]]]\n\ |
80 | where DEVICE is the name of a device or HOST:PORT", proto, proto); | |
c6f494e8 RP |
81 | |
82 | return; | |
83 | } | |
84 | ||
85 | #define CHECKDONE(p, q) \ | |
86 | { \ | |
87 | if (q == p) \ | |
88 | { \ | |
89 | if (*p == '\0') \ | |
90 | return; \ | |
91 | else \ | |
92 | usage(proto, p); \ | |
93 | } \ | |
94 | } | |
95 | ||
96 | void | |
97 | sr_scan_args(proto, args) | |
98 | char *proto; | |
99 | char *args; | |
100 | { | |
101 | int n; | |
102 | char *p, *q; | |
103 | ||
104 | extern int strtol(); | |
105 | ||
106 | /* if no args, then nothing to do. */ | |
107 | if (args == NULL || *args == '\0') | |
108 | return; | |
109 | ||
110 | /* scan off white space. */ | |
111 | for (p = args; isspace(*p); ++p) ;; | |
112 | ||
113 | /* find end of device name. */ | |
114 | for (q = p; *q != '\0' && !isspace(*q); ++q) ;; | |
115 | ||
116 | /* check for missing or empty device name. */ | |
117 | CHECKDONE(p, q); | |
118 | sr_set_device(savestring(p, q - p)); | |
119 | ||
120 | /* look for baud rate. */ | |
121 | n = strtol(q, &p, 10); | |
122 | ||
123 | /* check for missing or empty baud rate. */ | |
124 | CHECKDONE(p, q); | |
125 | sr_set_baud_rate(n); | |
126 | ||
127 | /* look for debug value. */ | |
128 | n = strtol(p, &q, 10); | |
129 | ||
130 | /* check for missing or empty debug value. */ | |
131 | CHECKDONE(p, q); | |
132 | sr_set_debug(n); | |
133 | ||
134 | /* scan off remaining white space. */ | |
135 | for (p = q; isspace(*p); ++p) ;; | |
136 | ||
137 | /* if not end of string, then there's unrecognized junk. */ | |
138 | if (*p != '\0') | |
139 | usage(proto, p); | |
140 | ||
141 | return; | |
142 | } | |
143 | ||
144 | void | |
145 | gr_generic_checkin() | |
146 | { | |
147 | sr_write_cr(""); | |
148 | gr_expect_prompt(); | |
149 | } | |
150 | ||
151 | void | |
152 | gr_open(args, from_tty, gr) | |
153 | char *args; | |
154 | int from_tty; | |
155 | struct gr_settings *gr; | |
156 | { | |
157 | target_preopen(from_tty); | |
158 | sr_scan_args(gr->ops->to_shortname, args); | |
159 | unpush_target(gr->ops); | |
160 | ||
161 | gr_settings = gr; | |
162 | ||
163 | gr_set_dcache(dcache_init(gr->readfunc, gr->writefunc)); | |
164 | ||
165 | if (sr_get_desc() != NULL) | |
166 | gr_close (0); | |
167 | ||
9c41f6a6 JK |
168 | /* If no args are specified, then we use the device specified by a |
169 | previous command or "set remotedevice". But if there is no | |
170 | device, better stop now, not dump core. */ | |
171 | ||
172 | if (sr_get_device () == NULL) | |
173 | usage (gr->ops->to_shortname, NULL); | |
174 | ||
c6f494e8 RP |
175 | sr_set_desc(SERIAL_OPEN (sr_get_device())); |
176 | if (!sr_get_desc()) | |
177 | perror_with_name((char *) sr_get_device()); | |
178 | ||
179 | if (SERIAL_SETBAUDRATE(sr_get_desc(), sr_get_baud_rate()) != 0) | |
180 | { | |
181 | SERIAL_CLOSE(sr_get_desc()); | |
182 | perror_with_name(sr_get_device()); | |
183 | } | |
184 | ||
185 | SERIAL_RAW (sr_get_desc()); | |
186 | ||
e15f2a54 JK |
187 | /* If there is something sitting in the buffer we might take it as a |
188 | response to a command, which would be bad. */ | |
189 | SERIAL_FLUSH_INPUT (sr_get_desc ()); | |
190 | ||
c6f494e8 RP |
191 | /* default retries */ |
192 | if (sr_get_retries() == 0) | |
193 | sr_set_retries(1); | |
194 | ||
195 | /* default clear breakpoint function */ | |
196 | if (gr_settings->clear_all_breakpoints == NULL) | |
197 | gr_settings->clear_all_breakpoints = remove_breakpoints; | |
198 | ||
199 | if (from_tty) | |
200 | printf_filtered ("Remote debugging using `%s' at baud rate of %d\n", | |
201 | sr_get_device(), sr_get_baud_rate()); | |
202 | ||
203 | push_target(gr->ops); | |
204 | gr_checkin(); | |
205 | gr_clear_all_breakpoints (); | |
206 | return; | |
207 | } | |
208 | ||
209 | /* Read a character from the remote system masking it down to 7 bits | |
210 | and doing all the fancy timeout stuff. */ | |
211 | ||
212 | int | |
213 | sr_readchar () | |
214 | { | |
215 | int buf; | |
216 | ||
217 | buf = SERIAL_READCHAR (sr_get_desc(), sr_get_timeout()); | |
218 | ||
219 | if (buf == SERIAL_TIMEOUT) | |
220 | error ("Timeout reading from remote system."); | |
221 | ||
222 | if (sr_get_debug() > 0) | |
199b2450 | 223 | printf_unfiltered ("%c", buf); |
c6f494e8 RP |
224 | |
225 | return buf & 0x7f; | |
226 | } | |
227 | ||
228 | int | |
229 | sr_pollchar() | |
230 | { | |
231 | int buf; | |
232 | ||
233 | buf = SERIAL_READCHAR (sr_get_desc(), 0); | |
234 | if (buf == SERIAL_TIMEOUT) | |
235 | buf = 0; | |
236 | if (sr_get_debug() > 0) | |
237 | if (buf) | |
199b2450 | 238 | printf_unfiltered ("%c", buf); |
c6f494e8 | 239 | else |
199b2450 | 240 | printf_unfiltered ("<empty character poll>"); |
c6f494e8 RP |
241 | |
242 | return buf & 0x7f; | |
243 | } | |
244 | ||
245 | /* Keep discarding input from the remote system, until STRING is found. | |
246 | Let the user break out immediately. */ | |
247 | void | |
248 | sr_expect (string) | |
249 | char *string; | |
250 | { | |
251 | char *p = string; | |
252 | ||
253 | immediate_quit = 1; | |
254 | while (1) | |
255 | { | |
256 | if (sr_readchar () == *p) | |
257 | { | |
258 | p++; | |
259 | if (*p == '\0') | |
260 | { | |
261 | immediate_quit = 0; | |
262 | return; | |
263 | } | |
264 | } | |
265 | else | |
266 | p = string; | |
267 | } | |
268 | } | |
269 | ||
270 | void | |
271 | sr_write (a, l) | |
272 | char *a; | |
273 | int l; | |
274 | { | |
275 | int i; | |
276 | ||
277 | if (SERIAL_WRITE (sr_get_desc(), a, l) != 0) | |
278 | perror_with_name ("sr_write: Error writing to remote"); | |
279 | ||
280 | if (sr_get_debug() > 0) | |
281 | for (i = 0; i < l; i++) | |
199b2450 | 282 | printf_unfiltered ("%c", a[i]); |
c6f494e8 RP |
283 | |
284 | return; | |
285 | } | |
286 | ||
287 | void | |
288 | sr_write_cr (s) | |
289 | char *s; | |
290 | { | |
291 | sr_write (s, strlen (s)); | |
292 | sr_write ("\r", 1); | |
293 | return; | |
294 | } | |
295 | ||
296 | int | |
297 | sr_timed_read (buf, n) | |
298 | char *buf; | |
299 | int n; | |
300 | { | |
301 | int i; | |
302 | char c; | |
303 | ||
304 | i = 0; | |
305 | while (i < n) | |
306 | { | |
307 | c = sr_readchar (); | |
308 | ||
309 | if (c == 0) | |
310 | return i; | |
311 | buf[i] = c; | |
312 | i++; | |
313 | ||
314 | } | |
315 | return i; | |
316 | } | |
317 | ||
318 | /* Get a hex digit from the remote system & return its value. If | |
319 | ignore_space is nonzero, ignore spaces (not newline, tab, etc). */ | |
320 | ||
321 | int | |
322 | sr_get_hex_digit (ignore_space) | |
323 | int ignore_space; | |
324 | { | |
325 | int ch; | |
326 | ||
327 | while (1) | |
328 | { | |
329 | ch = sr_readchar (); | |
330 | if (ch >= '0' && ch <= '9') | |
331 | return ch - '0'; | |
332 | else if (ch >= 'A' && ch <= 'F') | |
333 | return ch - 'A' + 10; | |
334 | else if (ch >= 'a' && ch <= 'f') | |
335 | return ch - 'a' + 10; | |
336 | else if (ch != ' ' || !ignore_space) | |
337 | { | |
338 | gr_expect_prompt (); | |
339 | error ("Invalid hex digit from remote system."); | |
340 | } | |
341 | } | |
342 | } | |
343 | ||
344 | /* Get a byte from the remote and put it in *BYT. Accept any number | |
345 | leading spaces. */ | |
346 | void | |
347 | sr_get_hex_byte (byt) | |
348 | char *byt; | |
349 | { | |
350 | int val; | |
351 | ||
352 | val = sr_get_hex_digit (1) << 4; | |
353 | val |= sr_get_hex_digit (0); | |
354 | *byt = val; | |
355 | } | |
356 | ||
357 | /* Read a 32-bit hex word from the remote, preceded by a space */ | |
358 | long | |
359 | sr_get_hex_word () | |
360 | { | |
361 | long val; | |
362 | int j; | |
363 | ||
364 | val = 0; | |
365 | for (j = 0; j < 8; j++) | |
366 | val = (val << 4) + sr_get_hex_digit (j == 0); | |
367 | return val; | |
368 | } | |
369 | ||
370 | /* Put a command string, in args, out to the remote. The remote is assumed to | |
371 | be in raw mode, all writing/reading done through desc. | |
372 | Ouput from the remote is placed on the users terminal until the | |
373 | prompt from the remote is seen. | |
374 | FIXME: Can't handle commands that take input. */ | |
375 | ||
376 | void | |
377 | sr_com (args, fromtty) | |
378 | char *args; | |
379 | int fromtty; | |
380 | { | |
381 | sr_check_open (); | |
382 | ||
383 | if (!args) | |
384 | return; | |
385 | ||
386 | /* Clear all input so only command relative output is displayed */ | |
387 | ||
388 | sr_write_cr (args); | |
389 | sr_write ("\030", 1); | |
390 | gr_expect_prompt (); | |
391 | } | |
392 | ||
393 | void | |
394 | gr_close(quitting) | |
395 | int quitting; | |
396 | { | |
397 | gr_clear_all_breakpoints(); | |
398 | ||
399 | if (sr_is_open()) | |
400 | { | |
401 | SERIAL_CLOSE (sr_get_desc()); | |
402 | sr_set_desc(NULL); | |
403 | } | |
404 | ||
405 | return; | |
406 | } | |
407 | ||
408 | /* gr_detach() | |
409 | takes a program previously attached to and detaches it. | |
410 | We better not have left any breakpoints | |
411 | in the program or it'll die when it hits one. | |
412 | Close the open connection to the remote debugger. | |
413 | Use this when you want to detach and do something else | |
414 | with your gdb. */ | |
415 | ||
416 | void | |
417 | gr_detach(args, from_tty) | |
418 | char *args; | |
419 | int from_tty; | |
420 | { | |
421 | if (args) | |
422 | error ("Argument given to \"detach\" when remotely debugging."); | |
423 | ||
424 | if (sr_is_open()) | |
425 | gr_clear_all_breakpoints (); | |
426 | ||
427 | pop_target (); | |
428 | if (from_tty) | |
429 | puts_filtered ("Ending remote debugging.\n"); | |
430 | ||
431 | return; | |
432 | } | |
433 | ||
434 | void | |
435 | gr_files_info (ops) | |
436 | struct target_ops *ops; | |
437 | { | |
c6f494e8 | 438 | #ifdef __GO32__ |
9c41f6a6 | 439 | printf_filtered ("\tAttached to DOS asynctsr\n"); |
c6f494e8 | 440 | #else |
9c41f6a6 JK |
441 | printf_filtered ("\tAttached to %s at %d baud\n", |
442 | sr_get_device(), sr_get_baud_rate()); | |
c6f494e8 | 443 | #endif |
c6f494e8 | 444 | |
9c41f6a6 JK |
445 | if (exec_bfd) |
446 | { | |
447 | printf_filtered ("\tand running program %s\n", | |
448 | bfd_get_filename (exec_bfd)); | |
449 | } | |
c6f494e8 RP |
450 | printf_filtered ("\tusing the %s protocol.\n", ops->to_shortname); |
451 | } | |
452 | ||
453 | void | |
454 | gr_mourn () | |
455 | { | |
456 | gr_clear_all_breakpoints (); | |
457 | unpush_target (gr_get_ops()); | |
458 | generic_mourn_inferior (); | |
459 | } | |
460 | ||
461 | void | |
462 | gr_kill () | |
463 | { | |
464 | return; | |
465 | } | |
466 | ||
467 | /* This is called not only when we first attach, but also when the | |
468 | user types "run" after having attached. */ | |
469 | void | |
470 | gr_create_inferior (execfile, args, env) | |
471 | char *execfile; | |
472 | char *args; | |
473 | char **env; | |
474 | { | |
475 | int entry_pt; | |
476 | ||
477 | if (args && *args) | |
478 | error ("Can't pass arguments to remote process."); | |
479 | ||
480 | if (execfile == 0 || exec_bfd == 0) | |
481 | error ("No exec file specified"); | |
482 | ||
483 | entry_pt = (int) bfd_get_start_address (exec_bfd); | |
484 | sr_check_open (); | |
485 | ||
486 | gr_kill (); | |
487 | gr_clear_all_breakpoints (); | |
488 | ||
489 | init_wait_for_inferior (); | |
490 | gr_checkin(); | |
491 | ||
492 | insert_breakpoints (); /* Needed to get correct instruction in cache */ | |
493 | proceed (entry_pt, -1, 0); | |
494 | } | |
495 | ||
496 | /* Given a null terminated list of strings LIST, read the input until we find one of | |
497 | them. Return the index of the string found or -1 on error. '?' means match | |
498 | any single character. Note that with the algorithm we use, the initial | |
499 | character of the string cannot recur in the string, or we will not find some | |
500 | cases of the string in the input. If PASSTHROUGH is non-zero, then | |
501 | pass non-matching data on. */ | |
502 | ||
503 | int | |
504 | gr_multi_scan (list, passthrough) | |
505 | char *list[]; | |
506 | int passthrough; | |
507 | { | |
508 | char *swallowed = NULL; /* holding area */ | |
509 | char *swallowed_p = swallowed; /* Current position in swallowed. */ | |
510 | int ch; | |
511 | int ch_handled; | |
512 | int i; | |
513 | int string_count; | |
514 | int max_length; | |
515 | char **plist; | |
516 | ||
517 | /* Look through the strings. Count them. Find the largest one so we can | |
518 | allocate a holding area. */ | |
519 | ||
520 | for (max_length = string_count = i = 0; | |
521 | list[i] != NULL; | |
522 | ++i, ++string_count) | |
523 | { | |
524 | int length = strlen(list[i]); | |
525 | ||
526 | if (length > max_length) | |
527 | max_length = length; | |
528 | } | |
529 | ||
530 | /* if we have no strings, then something is wrong. */ | |
531 | if (string_count == 0) | |
532 | return(-1); | |
533 | ||
534 | /* otherwise, we will need a holding area big enough to hold almost two | |
535 | copies of our largest string. */ | |
536 | swallowed_p = swallowed = alloca(max_length << 1); | |
537 | ||
538 | /* and a list of pointers to current scan points. */ | |
55fea07b | 539 | plist = (char **) alloca (string_count * sizeof(*plist)); |
c6f494e8 RP |
540 | |
541 | /* and initialize */ | |
542 | for (i = 0; i < string_count; ++i) | |
543 | plist[i] = list[i]; | |
544 | ||
545 | for (ch = sr_readchar(); /* loop forever */ ; ch = sr_readchar()) | |
546 | { | |
547 | QUIT; /* Let user quit and leave process running */ | |
548 | ch_handled = 0; | |
549 | ||
550 | for (i = 0; i < string_count; ++i) | |
551 | { | |
552 | if (ch == *plist[i] || *plist[i] == '?') | |
553 | { | |
554 | ++plist[i]; | |
555 | if (*plist[i] == '\0') | |
556 | return(i); | |
557 | ||
558 | if (!ch_handled) | |
559 | *swallowed_p++ = ch; | |
560 | ||
561 | ch_handled = 1; | |
562 | } | |
563 | else | |
564 | plist[i] = list[i]; | |
565 | } | |
566 | ||
567 | if (!ch_handled) | |
568 | { | |
569 | char *p; | |
570 | ||
571 | /* Print out any characters which have been swallowed. */ | |
572 | if (passthrough) | |
573 | { | |
574 | for (p = swallowed; p < swallowed_p; ++p) | |
ee9feb65 | 575 | fputc_unfiltered (*p, gdb_stdout); |
c6f494e8 | 576 | |
ee9feb65 | 577 | fputc_unfiltered (ch, gdb_stdout); |
c6f494e8 RP |
578 | } |
579 | ||
580 | swallowed_p = swallowed; | |
581 | } | |
582 | } | |
55fea07b JK |
583 | #if 0 |
584 | /* Never reached. */ | |
c6f494e8 | 585 | return(-1); |
55fea07b | 586 | #endif |
c6f494e8 RP |
587 | } |
588 | ||
589 | /* Get ready to modify the registers array. On machines which store | |
590 | individual registers, this doesn't need to do anything. On machines | |
591 | which store all the registers in one fell swoop, this makes sure | |
592 | that registers contains all the registers from the program being | |
593 | debugged. */ | |
594 | ||
595 | void | |
596 | gr_prepare_to_store () | |
597 | { | |
598 | /* Do nothing, since we assume we can store individual regs */ | |
599 | } | |
600 | ||
601 | /* Read a word from remote address ADDR and return it. | |
602 | * This goes through the data cache. | |
603 | */ | |
604 | int | |
605 | gr_fetch_word (addr) | |
606 | CORE_ADDR addr; | |
607 | { | |
608 | return dcache_fetch (gr_get_dcache(), addr); | |
609 | } | |
610 | ||
611 | /* Write a word WORD into remote address ADDR. | |
612 | This goes through the data cache. */ | |
613 | ||
614 | void | |
615 | gr_store_word (addr, word) | |
616 | CORE_ADDR addr; | |
617 | int word; | |
618 | { | |
619 | dcache_poke (gr_get_dcache(), addr, word); | |
620 | } | |
621 | ||
bf2429ab SC |
622 | /* general purpose load a file specified on the command line |
623 | into target memory. */ | |
624 | ||
625 | void | |
626 | gr_load_image (args, fromtty) | |
627 | char *args; | |
628 | int fromtty; | |
629 | { | |
630 | bfd *abfd; | |
631 | ||
632 | asection *s; | |
633 | struct cleanup *old_cleanups; | |
634 | int delta = 4096; | |
635 | char *buffer = xmalloc (delta); | |
636 | ||
637 | abfd = bfd_openr (args, (char *) 0); | |
638 | ||
639 | if (!abfd) | |
640 | perror_with_name (args); | |
641 | ||
642 | old_cleanups = make_cleanup (bfd_close, abfd); | |
643 | ||
644 | QUIT; | |
bf2429ab SC |
645 | |
646 | if (!bfd_check_format (abfd, bfd_object)) | |
647 | error ("It doesn't seem to be an object file.\n"); | |
648 | ||
08c0d7b8 | 649 | for (s = abfd->sections; s && !quit_flag; s = s->next) |
bf2429ab SC |
650 | { |
651 | if (bfd_get_section_flags (abfd, s) & SEC_LOAD) | |
652 | { | |
653 | int i; | |
654 | printf_filtered ("%s\t: 0x%4x .. 0x%4x ", | |
655 | s->name, s->vma, s->vma + s->_raw_size); | |
08c0d7b8 SC |
656 | fflush (stdout); |
657 | for (i = 0; i < s->_raw_size && !quit_flag; i += delta) | |
bf2429ab SC |
658 | { |
659 | int sub_delta = delta; | |
660 | if (sub_delta > s->_raw_size - i) | |
661 | sub_delta = s->_raw_size - i; | |
08c0d7b8 | 662 | QUIT; |
bf2429ab SC |
663 | bfd_get_section_contents (abfd, s, buffer, i, sub_delta); |
664 | target_write_memory (s->vma + i, buffer, sub_delta); | |
665 | printf_filtered ("*"); | |
666 | fflush (stdout); | |
667 | } | |
668 | printf_filtered ("\n"); | |
669 | } | |
670 | } | |
08c0d7b8 | 671 | |
bf2429ab SC |
672 | free (buffer); |
673 | write_pc (bfd_get_start_address (abfd)); | |
674 | bfd_close (abfd); | |
675 | discard_cleanups (old_cleanups); | |
676 | } | |
677 | ||
678 | ||
c6f494e8 RP |
679 | void |
680 | _initialize_sr_support () | |
681 | { | |
c6f494e8 RP |
682 | /* FIXME-now: if target is open... */ |
683 | add_show_from_set (add_set_cmd ("remotedevice", no_class, | |
684 | var_filename, (char *)&sr_settings.device, | |
685 | "Set device for remote serial I/O.\n\ | |
686 | This device is used as the serial port when debugging using remote\n\ | |
687 | targets.", &setlist), | |
688 | &showlist); | |
689 | ||
690 | add_com ("remote <command>", class_obscure, sr_com, | |
691 | "Send a command to the remote monitor."); | |
692 | ||
693 | } |