Commit | Line | Data |
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c906108c | 1 | /* Remote utility routines for the remote server for GDB. |
61baf725 | 2 | Copyright (C) 1986-2017 Free Software Foundation, Inc. |
c906108c | 3 | |
c5aa993b | 4 | This file is part of GDB. |
c906108c | 5 | |
c5aa993b JM |
6 | This program is free software; you can redistribute it and/or modify |
7 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 8 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 9 | (at your option) any later version. |
c906108c | 10 | |
c5aa993b JM |
11 | This program is distributed in the hope that it will be useful, |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
c906108c | 15 | |
c5aa993b | 16 | You should have received a copy of the GNU General Public License |
a9762ec7 | 17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
18 | |
19 | #include "server.h" | |
be628ab8 | 20 | #include "gdb_termios.h" |
5b1c542e | 21 | #include "target.h" |
623b6bdf | 22 | #include "gdbthread.h" |
3aee8918 | 23 | #include "tdesc.h" |
799cdc37 | 24 | #include "dll.h" |
9c3d6531 | 25 | #include "rsp-low.h" |
75352e28 | 26 | #include "gdbthread.h" |
fafcc06a | 27 | #include <ctype.h> |
b80864fb | 28 | #if HAVE_SYS_IOCTL_H |
c906108c | 29 | #include <sys/ioctl.h> |
b80864fb | 30 | #endif |
68070c10 | 31 | #if HAVE_SYS_FILE_H |
c906108c | 32 | #include <sys/file.h> |
68070c10 | 33 | #endif |
9eb1356e PA |
34 | #if HAVE_NETINET_IN_H |
35 | #include <netinet/in.h> | |
36 | #endif | |
37 | #if HAVE_SYS_SOCKET_H | |
38 | #include <sys/socket.h> | |
39 | #endif | |
b80864fb | 40 | #if HAVE_NETDB_H |
c906108c | 41 | #include <netdb.h> |
b80864fb DJ |
42 | #endif |
43 | #if HAVE_NETINET_TCP_H | |
c906108c | 44 | #include <netinet/tcp.h> |
b80864fb DJ |
45 | #endif |
46 | #if HAVE_SYS_IOCTL_H | |
c906108c | 47 | #include <sys/ioctl.h> |
b80864fb | 48 | #endif |
68070c10 | 49 | #if HAVE_SIGNAL_H |
c906108c | 50 | #include <signal.h> |
68070c10 PA |
51 | #endif |
52 | #if HAVE_FCNTL_H | |
c906108c | 53 | #include <fcntl.h> |
68070c10 | 54 | #endif |
438e1e42 | 55 | #include "gdb_sys_time.h" |
cf30a8e1 | 56 | #include <unistd.h> |
b80864fb | 57 | #if HAVE_ARPA_INET_H |
0729219d | 58 | #include <arpa/inet.h> |
b80864fb | 59 | #endif |
53ce3c39 | 60 | #include <sys/stat.h> |
9eb1356e PA |
61 | |
62 | #if USE_WIN32API | |
63 | #include <winsock2.h> | |
64 | #endif | |
c906108c | 65 | |
ac8c974e AR |
66 | #if __QNX__ |
67 | #include <sys/iomgr.h> | |
68 | #endif /* __QNX__ */ | |
69 | ||
f450004a DJ |
70 | #ifndef HAVE_SOCKLEN_T |
71 | typedef int socklen_t; | |
72 | #endif | |
73 | ||
0fb4aa4b PA |
74 | #ifndef IN_PROCESS_AGENT |
75 | ||
7390519e PA |
76 | #if USE_WIN32API |
77 | # define INVALID_DESCRIPTOR INVALID_SOCKET | |
78 | #else | |
79 | # define INVALID_DESCRIPTOR -1 | |
80 | #endif | |
81 | ||
24b066ba DE |
82 | /* Extra value for readchar_callback. */ |
83 | enum { | |
84 | /* The callback is currently not scheduled. */ | |
85 | NOT_SCHEDULED = -1 | |
86 | }; | |
87 | ||
88 | /* Status of the readchar callback. | |
89 | Either NOT_SCHEDULED or the callback id. */ | |
90 | static int readchar_callback = NOT_SCHEDULED; | |
91 | ||
bc3b5632 | 92 | static int readchar (void); |
24b066ba DE |
93 | static void reset_readchar (void); |
94 | static void reschedule (void); | |
bc3b5632 | 95 | |
fd500816 DJ |
96 | /* A cache entry for a successfully looked-up symbol. */ |
97 | struct sym_cache | |
98 | { | |
95954743 | 99 | char *name; |
fd500816 DJ |
100 | CORE_ADDR addr; |
101 | struct sym_cache *next; | |
102 | }; | |
103 | ||
c906108c | 104 | int remote_debug = 0; |
03863182 | 105 | struct ui_file *gdb_stdlog; |
c906108c | 106 | |
e0f9f062 DE |
107 | static int remote_is_stdio = 0; |
108 | ||
ec48365d PA |
109 | static gdb_fildes_t remote_desc = INVALID_DESCRIPTOR; |
110 | static gdb_fildes_t listen_desc = INVALID_DESCRIPTOR; | |
c906108c | 111 | |
0d62e5e8 DJ |
112 | /* FIXME headerize? */ |
113 | extern int using_threads; | |
114 | extern int debug_threads; | |
115 | ||
a6f3e723 SL |
116 | /* If true, then GDB has requested noack mode. */ |
117 | int noack_mode = 0; | |
118 | /* If true, then we tell GDB to use noack mode by default. */ | |
119 | int transport_is_reliable = 0; | |
120 | ||
0f48aa01 | 121 | #ifdef USE_WIN32API |
68070c10 PA |
122 | # define read(fd, buf, len) recv (fd, (char *) buf, len, 0) |
123 | # define write(fd, buf, len) send (fd, (char *) buf, len, 0) | |
0f48aa01 DJ |
124 | #endif |
125 | ||
8336d594 PA |
126 | int |
127 | gdb_connected (void) | |
128 | { | |
129 | return remote_desc != INVALID_DESCRIPTOR; | |
130 | } | |
131 | ||
e0f9f062 DE |
132 | /* Return true if the remote connection is over stdio. */ |
133 | ||
134 | int | |
135 | remote_connection_is_stdio (void) | |
136 | { | |
137 | return remote_is_stdio; | |
138 | } | |
139 | ||
8336d594 PA |
140 | static void |
141 | enable_async_notification (int fd) | |
142 | { | |
143 | #if defined(F_SETFL) && defined (FASYNC) | |
144 | int save_fcntl_flags; | |
145 | ||
146 | save_fcntl_flags = fcntl (fd, F_GETFL, 0); | |
147 | fcntl (fd, F_SETFL, save_fcntl_flags | FASYNC); | |
148 | #if defined (F_SETOWN) | |
149 | fcntl (fd, F_SETOWN, getpid ()); | |
150 | #endif | |
151 | #endif | |
152 | } | |
153 | ||
154 | static int | |
155 | handle_accept_event (int err, gdb_client_data client_data) | |
156 | { | |
9eb1356e | 157 | struct sockaddr_in sockaddr; |
8336d594 PA |
158 | socklen_t tmp; |
159 | ||
160 | if (debug_threads) | |
87ce2a04 | 161 | debug_printf ("handling possible accept event\n"); |
8336d594 | 162 | |
9eb1356e PA |
163 | tmp = sizeof (sockaddr); |
164 | remote_desc = accept (listen_desc, (struct sockaddr *) &sockaddr, &tmp); | |
8336d594 PA |
165 | if (remote_desc == -1) |
166 | perror_with_name ("Accept failed"); | |
167 | ||
168 | /* Enable TCP keep alive process. */ | |
169 | tmp = 1; | |
170 | setsockopt (remote_desc, SOL_SOCKET, SO_KEEPALIVE, | |
171 | (char *) &tmp, sizeof (tmp)); | |
172 | ||
173 | /* Tell TCP not to delay small packets. This greatly speeds up | |
174 | interactive response. */ | |
175 | tmp = 1; | |
176 | setsockopt (remote_desc, IPPROTO_TCP, TCP_NODELAY, | |
177 | (char *) &tmp, sizeof (tmp)); | |
178 | ||
179 | #ifndef USE_WIN32API | |
8336d594 PA |
180 | signal (SIGPIPE, SIG_IGN); /* If we don't do this, then gdbserver simply |
181 | exits when the remote side dies. */ | |
03f2bd59 JK |
182 | #endif |
183 | ||
184 | if (run_once) | |
185 | { | |
186 | #ifndef USE_WIN32API | |
187 | close (listen_desc); /* No longer need this */ | |
8336d594 | 188 | #else |
03f2bd59 | 189 | closesocket (listen_desc); /* No longer need this */ |
8336d594 | 190 | #endif |
03f2bd59 | 191 | } |
8336d594 | 192 | |
03f2bd59 JK |
193 | /* Even if !RUN_ONCE no longer notice new connections. Still keep the |
194 | descriptor open for add_file_handler to wait for a new connection. */ | |
8336d594 PA |
195 | delete_file_handler (listen_desc); |
196 | ||
197 | /* Convert IP address to string. */ | |
198 | fprintf (stderr, "Remote debugging from host %s\n", | |
9eb1356e | 199 | inet_ntoa (sockaddr.sin_addr)); |
8336d594 PA |
200 | |
201 | enable_async_notification (remote_desc); | |
202 | ||
203 | /* Register the event loop handler. */ | |
204 | add_file_handler (remote_desc, handle_serial_event, NULL); | |
205 | ||
206 | /* We have a new GDB connection now. If we were disconnected | |
207 | tracing, there's a window where the target could report a stop | |
208 | event to the event loop, and since we have a connection now, we'd | |
209 | try to send vStopped notifications to GDB. But, don't do that | |
210 | until GDB as selected all-stop/non-stop, and has queried the | |
211 | threads' status ('?'). */ | |
212 | target_async (0); | |
213 | ||
214 | return 0; | |
215 | } | |
216 | ||
03f2bd59 JK |
217 | /* Prepare for a later connection to a remote debugger. |
218 | NAME is the filename used for communication. */ | |
219 | ||
220 | void | |
fb32b4f7 | 221 | remote_prepare (const char *name) |
03f2bd59 | 222 | { |
fb32b4f7 | 223 | const char *port_str; |
03f2bd59 JK |
224 | #ifdef USE_WIN32API |
225 | static int winsock_initialized; | |
226 | #endif | |
227 | int port; | |
9eb1356e | 228 | struct sockaddr_in sockaddr; |
03f2bd59 JK |
229 | socklen_t tmp; |
230 | char *port_end; | |
231 | ||
e0f9f062 DE |
232 | remote_is_stdio = 0; |
233 | if (strcmp (name, STDIO_CONNECTION_NAME) == 0) | |
234 | { | |
235 | /* We need to record fact that we're using stdio sooner than the | |
236 | call to remote_open so start_inferior knows the connection is | |
237 | via stdio. */ | |
238 | remote_is_stdio = 1; | |
239 | transport_is_reliable = 1; | |
240 | return; | |
241 | } | |
242 | ||
03f2bd59 JK |
243 | port_str = strchr (name, ':'); |
244 | if (port_str == NULL) | |
245 | { | |
246 | transport_is_reliable = 0; | |
247 | return; | |
248 | } | |
249 | ||
250 | port = strtoul (port_str + 1, &port_end, 10); | |
251 | if (port_str[1] == '\0' || *port_end != '\0') | |
50278d59 | 252 | error ("Bad port argument: %s", name); |
03f2bd59 JK |
253 | |
254 | #ifdef USE_WIN32API | |
255 | if (!winsock_initialized) | |
256 | { | |
257 | WSADATA wsad; | |
258 | ||
259 | WSAStartup (MAKEWORD (1, 0), &wsad); | |
260 | winsock_initialized = 1; | |
261 | } | |
262 | #endif | |
263 | ||
264 | listen_desc = socket (PF_INET, SOCK_STREAM, IPPROTO_TCP); | |
265 | if (listen_desc == -1) | |
266 | perror_with_name ("Can't open socket"); | |
267 | ||
268 | /* Allow rapid reuse of this port. */ | |
269 | tmp = 1; | |
270 | setsockopt (listen_desc, SOL_SOCKET, SO_REUSEADDR, (char *) &tmp, | |
271 | sizeof (tmp)); | |
272 | ||
9eb1356e PA |
273 | sockaddr.sin_family = PF_INET; |
274 | sockaddr.sin_port = htons (port); | |
275 | sockaddr.sin_addr.s_addr = INADDR_ANY; | |
03f2bd59 | 276 | |
9eb1356e | 277 | if (bind (listen_desc, (struct sockaddr *) &sockaddr, sizeof (sockaddr)) |
03f2bd59 JK |
278 | || listen (listen_desc, 1)) |
279 | perror_with_name ("Can't bind address"); | |
280 | ||
281 | transport_is_reliable = 1; | |
282 | } | |
283 | ||
c906108c SS |
284 | /* Open a connection to a remote debugger. |
285 | NAME is the filename used for communication. */ | |
286 | ||
287 | void | |
fb32b4f7 | 288 | remote_open (const char *name) |
c906108c | 289 | { |
fb32b4f7 | 290 | const char *port_str; |
8264bb58 DJ |
291 | |
292 | port_str = strchr (name, ':'); | |
e0f9f062 | 293 | #ifdef USE_WIN32API |
8264bb58 | 294 | if (port_str == NULL) |
e0f9f062 DE |
295 | error ("Only <host>:<port> is supported on this platform."); |
296 | #endif | |
297 | ||
298 | if (strcmp (name, STDIO_CONNECTION_NAME) == 0) | |
299 | { | |
300 | fprintf (stderr, "Remote debugging using stdio\n"); | |
301 | ||
302 | /* Use stdin as the handle of the connection. | |
303 | We only select on reads, for example. */ | |
304 | remote_desc = fileno (stdin); | |
305 | ||
306 | enable_async_notification (remote_desc); | |
307 | ||
308 | /* Register the event loop handler. */ | |
309 | add_file_handler (remote_desc, handle_serial_event, NULL); | |
310 | } | |
311 | #ifndef USE_WIN32API | |
312 | else if (port_str == NULL) | |
c906108c | 313 | { |
8264bb58 DJ |
314 | struct stat statbuf; |
315 | ||
316 | if (stat (name, &statbuf) == 0 | |
317 | && (S_ISCHR (statbuf.st_mode) || S_ISFIFO (statbuf.st_mode))) | |
318 | remote_desc = open (name, O_RDWR); | |
319 | else | |
320 | { | |
321 | errno = EINVAL; | |
322 | remote_desc = -1; | |
323 | } | |
324 | ||
c906108c SS |
325 | if (remote_desc < 0) |
326 | perror_with_name ("Could not open remote device"); | |
327 | ||
328 | #ifdef HAVE_TERMIOS | |
329 | { | |
330 | struct termios termios; | |
c5aa993b | 331 | tcgetattr (remote_desc, &termios); |
c906108c SS |
332 | |
333 | termios.c_iflag = 0; | |
334 | termios.c_oflag = 0; | |
335 | termios.c_lflag = 0; | |
c5aa993b | 336 | termios.c_cflag &= ~(CSIZE | PARENB); |
c906108c | 337 | termios.c_cflag |= CLOCAL | CS8; |
d0608e50 | 338 | termios.c_cc[VMIN] = 1; |
c906108c SS |
339 | termios.c_cc[VTIME] = 0; |
340 | ||
c5aa993b | 341 | tcsetattr (remote_desc, TCSANOW, &termios); |
c906108c SS |
342 | } |
343 | #endif | |
344 | ||
345 | #ifdef HAVE_TERMIO | |
346 | { | |
347 | struct termio termio; | |
348 | ioctl (remote_desc, TCGETA, &termio); | |
349 | ||
350 | termio.c_iflag = 0; | |
351 | termio.c_oflag = 0; | |
352 | termio.c_lflag = 0; | |
c5aa993b | 353 | termio.c_cflag &= ~(CSIZE | PARENB); |
c906108c | 354 | termio.c_cflag |= CLOCAL | CS8; |
d0608e50 | 355 | termio.c_cc[VMIN] = 1; |
c906108c SS |
356 | termio.c_cc[VTIME] = 0; |
357 | ||
358 | ioctl (remote_desc, TCSETA, &termio); | |
359 | } | |
360 | #endif | |
361 | ||
362 | #ifdef HAVE_SGTTY | |
363 | { | |
364 | struct sgttyb sg; | |
365 | ||
366 | ioctl (remote_desc, TIOCGETP, &sg); | |
367 | sg.sg_flags = RAW; | |
368 | ioctl (remote_desc, TIOCSETP, &sg); | |
369 | } | |
370 | #endif | |
371 | ||
e641a1ca | 372 | fprintf (stderr, "Remote debugging using %s\n", name); |
a6f3e723 | 373 | |
8336d594 PA |
374 | enable_async_notification (remote_desc); |
375 | ||
376 | /* Register the event loop handler. */ | |
377 | add_file_handler (remote_desc, handle_serial_event, NULL); | |
c906108c | 378 | } |
e0f9f062 | 379 | #endif /* USE_WIN32API */ |
c906108c SS |
380 | else |
381 | { | |
c906108c | 382 | int port; |
03f2bd59 | 383 | socklen_t len; |
c906108c | 384 | struct sockaddr_in sockaddr; |
c906108c | 385 | |
03f2bd59 JK |
386 | len = sizeof (sockaddr); |
387 | if (getsockname (listen_desc, | |
388 | (struct sockaddr *) &sockaddr, &len) < 0 | |
389 | || len < sizeof (sockaddr)) | |
390 | perror_with_name ("Can't determine port"); | |
391 | port = ntohs (sockaddr.sin_port); | |
6f8486da | 392 | |
6910d122 | 393 | fprintf (stderr, "Listening on port %d\n", port); |
b80864fb | 394 | fflush (stderr); |
6910d122 | 395 | |
8336d594 PA |
396 | /* Register the event loop handler. */ |
397 | add_file_handler (listen_desc, handle_accept_event, NULL); | |
c906108c | 398 | } |
c906108c SS |
399 | } |
400 | ||
401 | void | |
fba45db2 | 402 | remote_close (void) |
c906108c | 403 | { |
bd99dc85 PA |
404 | delete_file_handler (remote_desc); |
405 | ||
8b207339 YQ |
406 | #ifndef USE_WIN32API |
407 | /* Remove SIGIO handler. */ | |
408 | signal (SIGIO, SIG_IGN); | |
409 | #endif | |
410 | ||
b80864fb DJ |
411 | #ifdef USE_WIN32API |
412 | closesocket (remote_desc); | |
413 | #else | |
e0f9f062 DE |
414 | if (! remote_connection_is_stdio ()) |
415 | close (remote_desc); | |
b80864fb | 416 | #endif |
8336d594 | 417 | remote_desc = INVALID_DESCRIPTOR; |
24b066ba DE |
418 | |
419 | reset_readchar (); | |
c906108c SS |
420 | } |
421 | ||
0fb4aa4b PA |
422 | #endif |
423 | ||
0fb4aa4b PA |
424 | #ifndef IN_PROCESS_AGENT |
425 | ||
dae5f5cf | 426 | void |
2f2893d9 DJ |
427 | decode_address (CORE_ADDR *addrp, const char *start, int len) |
428 | { | |
429 | CORE_ADDR addr; | |
430 | char ch; | |
431 | int i; | |
432 | ||
433 | addr = 0; | |
434 | for (i = 0; i < len; i++) | |
435 | { | |
436 | ch = start[i]; | |
437 | addr = addr << 4; | |
438 | addr = addr | (fromhex (ch) & 0x0f); | |
439 | } | |
440 | *addrp = addr; | |
441 | } | |
442 | ||
89be2091 DJ |
443 | const char * |
444 | decode_address_to_semicolon (CORE_ADDR *addrp, const char *start) | |
445 | { | |
446 | const char *end; | |
447 | ||
448 | end = start; | |
449 | while (*end != '\0' && *end != ';') | |
450 | end++; | |
451 | ||
452 | decode_address (addrp, start, end - start); | |
453 | ||
454 | if (*end == ';') | |
455 | end++; | |
456 | return end; | |
457 | } | |
458 | ||
0fb4aa4b PA |
459 | #endif |
460 | ||
0fb4aa4b PA |
461 | #ifndef IN_PROCESS_AGENT |
462 | ||
5ffff7c1 DJ |
463 | /* Look for a sequence of characters which can be run-length encoded. |
464 | If there are any, update *CSUM and *P. Otherwise, output the | |
465 | single character. Return the number of characters consumed. */ | |
466 | ||
467 | static int | |
468 | try_rle (char *buf, int remaining, unsigned char *csum, char **p) | |
469 | { | |
470 | int n; | |
471 | ||
472 | /* Always output the character. */ | |
473 | *csum += buf[0]; | |
474 | *(*p)++ = buf[0]; | |
475 | ||
476 | /* Don't go past '~'. */ | |
477 | if (remaining > 97) | |
478 | remaining = 97; | |
479 | ||
480 | for (n = 1; n < remaining; n++) | |
481 | if (buf[n] != buf[0]) | |
482 | break; | |
483 | ||
484 | /* N is the index of the first character not the same as buf[0]. | |
485 | buf[0] is counted twice, so by decrementing N, we get the number | |
486 | of characters the RLE sequence will replace. */ | |
487 | n--; | |
488 | ||
489 | if (n < 3) | |
490 | return 1; | |
491 | ||
492 | /* Skip the frame characters. The manual says to skip '+' and '-' | |
493 | also, but there's no reason to. Unfortunately these two unusable | |
494 | characters double the encoded length of a four byte zero | |
495 | value. */ | |
496 | while (n + 29 == '$' || n + 29 == '#') | |
497 | n--; | |
498 | ||
499 | *csum += '*'; | |
500 | *(*p)++ = '*'; | |
501 | *csum += n + 29; | |
502 | *(*p)++ = n + 29; | |
503 | ||
504 | return n + 1; | |
505 | } | |
506 | ||
0fb4aa4b PA |
507 | #endif |
508 | ||
0fb4aa4b PA |
509 | #ifndef IN_PROCESS_AGENT |
510 | ||
95954743 PA |
511 | /* Write a PTID to BUF. Returns BUF+CHARACTERS_WRITTEN. */ |
512 | ||
513 | char * | |
514 | write_ptid (char *buf, ptid_t ptid) | |
515 | { | |
516 | int pid, tid; | |
517 | ||
518 | if (multi_process) | |
519 | { | |
520 | pid = ptid_get_pid (ptid); | |
521 | if (pid < 0) | |
522 | buf += sprintf (buf, "p-%x.", -pid); | |
523 | else | |
524 | buf += sprintf (buf, "p%x.", pid); | |
525 | } | |
526 | tid = ptid_get_lwp (ptid); | |
527 | if (tid < 0) | |
528 | buf += sprintf (buf, "-%x", -tid); | |
529 | else | |
530 | buf += sprintf (buf, "%x", tid); | |
531 | ||
532 | return buf; | |
533 | } | |
534 | ||
5b3da067 | 535 | static ULONGEST |
95954743 PA |
536 | hex_or_minus_one (char *buf, char **obuf) |
537 | { | |
538 | ULONGEST ret; | |
539 | ||
61012eef | 540 | if (startswith (buf, "-1")) |
95954743 PA |
541 | { |
542 | ret = (ULONGEST) -1; | |
543 | buf += 2; | |
544 | } | |
545 | else | |
546 | buf = unpack_varlen_hex (buf, &ret); | |
547 | ||
548 | if (obuf) | |
549 | *obuf = buf; | |
550 | ||
551 | return ret; | |
552 | } | |
553 | ||
554 | /* Extract a PTID from BUF. If non-null, OBUF is set to the to one | |
555 | passed the last parsed char. Returns null_ptid on error. */ | |
556 | ptid_t | |
557 | read_ptid (char *buf, char **obuf) | |
558 | { | |
559 | char *p = buf; | |
560 | char *pp; | |
561 | ULONGEST pid = 0, tid = 0; | |
562 | ||
563 | if (*p == 'p') | |
564 | { | |
565 | /* Multi-process ptid. */ | |
566 | pp = unpack_varlen_hex (p + 1, &pid); | |
567 | if (*pp != '.') | |
568 | error ("invalid remote ptid: %s\n", p); | |
569 | ||
570 | p = pp + 1; | |
571 | ||
572 | tid = hex_or_minus_one (p, &pp); | |
573 | ||
574 | if (obuf) | |
575 | *obuf = pp; | |
576 | return ptid_build (pid, tid, 0); | |
577 | } | |
578 | ||
579 | /* No multi-process. Just a tid. */ | |
580 | tid = hex_or_minus_one (p, &pp); | |
581 | ||
3d40fbb5 PA |
582 | /* Since GDB is not sending a process id (multi-process extensions |
583 | are off), then there's only one process. Default to the first in | |
584 | the list. */ | |
585 | pid = pid_of (get_first_process ()); | |
95954743 PA |
586 | |
587 | if (obuf) | |
588 | *obuf = pp; | |
589 | return ptid_build (pid, tid, 0); | |
590 | } | |
591 | ||
e0f9f062 DE |
592 | /* Write COUNT bytes in BUF to the client. |
593 | The result is the number of bytes written or -1 if error. | |
594 | This may return less than COUNT. */ | |
595 | ||
596 | static int | |
597 | write_prim (const void *buf, int count) | |
598 | { | |
599 | if (remote_connection_is_stdio ()) | |
600 | return write (fileno (stdout), buf, count); | |
601 | else | |
602 | return write (remote_desc, buf, count); | |
603 | } | |
604 | ||
605 | /* Read COUNT bytes from the client and store in BUF. | |
606 | The result is the number of bytes read or -1 if error. | |
607 | This may return less than COUNT. */ | |
608 | ||
609 | static int | |
610 | read_prim (void *buf, int count) | |
611 | { | |
612 | if (remote_connection_is_stdio ()) | |
613 | return read (fileno (stdin), buf, count); | |
614 | else | |
615 | return read (remote_desc, buf, count); | |
616 | } | |
617 | ||
c906108c | 618 | /* Send a packet to the remote machine, with error checking. |
01f9e8fa DJ |
619 | The data of the packet is in BUF, and the length of the |
620 | packet is in CNT. Returns >= 0 on success, -1 otherwise. */ | |
c906108c | 621 | |
bd99dc85 PA |
622 | static int |
623 | putpkt_binary_1 (char *buf, int cnt, int is_notif) | |
c906108c SS |
624 | { |
625 | int i; | |
626 | unsigned char csum = 0; | |
0a30fbc4 | 627 | char *buf2; |
c906108c | 628 | char *p; |
bc3b5632 | 629 | int cc; |
c906108c | 630 | |
224c3ddb | 631 | buf2 = (char *) xmalloc (strlen ("$") + cnt + strlen ("#nn") + 1); |
0a30fbc4 | 632 | |
c906108c SS |
633 | /* Copy the packet into buffer BUF2, encapsulating it |
634 | and giving it a checksum. */ | |
635 | ||
636 | p = buf2; | |
bd99dc85 PA |
637 | if (is_notif) |
638 | *p++ = '%'; | |
639 | else | |
640 | *p++ = '$'; | |
c906108c | 641 | |
5ffff7c1 DJ |
642 | for (i = 0; i < cnt;) |
643 | i += try_rle (buf + i, cnt - i, &csum, &p); | |
644 | ||
c906108c SS |
645 | *p++ = '#'; |
646 | *p++ = tohex ((csum >> 4) & 0xf); | |
647 | *p++ = tohex (csum & 0xf); | |
648 | ||
649 | *p = '\0'; | |
650 | ||
651 | /* Send it over and over until we get a positive ack. */ | |
652 | ||
653 | do | |
654 | { | |
e0f9f062 | 655 | if (write_prim (buf2, p - buf2) != p - buf2) |
c906108c SS |
656 | { |
657 | perror ("putpkt(write)"); | |
f88c79e6 | 658 | free (buf2); |
c906108c SS |
659 | return -1; |
660 | } | |
661 | ||
bd99dc85 | 662 | if (noack_mode || is_notif) |
a6f3e723 SL |
663 | { |
664 | /* Don't expect an ack then. */ | |
665 | if (remote_debug) | |
666 | { | |
bd99dc85 | 667 | if (is_notif) |
4eefa7bc | 668 | debug_printf ("putpkt (\"%s\"); [notif]\n", buf2); |
bd99dc85 | 669 | else |
4eefa7bc PA |
670 | debug_printf ("putpkt (\"%s\"); [noack mode]\n", buf2); |
671 | debug_flush (); | |
a6f3e723 SL |
672 | } |
673 | break; | |
674 | } | |
675 | ||
c906108c | 676 | if (remote_debug) |
0d62e5e8 | 677 | { |
4eefa7bc PA |
678 | debug_printf ("putpkt (\"%s\"); [looking for ack]\n", buf2); |
679 | debug_flush (); | |
0d62e5e8 | 680 | } |
0d62e5e8 | 681 | |
bc3b5632 | 682 | cc = readchar (); |
c906108c | 683 | |
bc3b5632 DE |
684 | if (cc < 0) |
685 | { | |
0a30fbc4 | 686 | free (buf2); |
c906108c SS |
687 | return -1; |
688 | } | |
0d62e5e8 | 689 | |
bc3b5632 DE |
690 | if (remote_debug) |
691 | { | |
4eefa7bc PA |
692 | debug_printf ("[received '%c' (0x%x)]\n", cc, cc); |
693 | debug_flush (); | |
bc3b5632 DE |
694 | } |
695 | ||
0d62e5e8 | 696 | /* Check for an input interrupt while we're here. */ |
0bfdf32f | 697 | if (cc == '\003' && current_thread != NULL) |
ef57601b | 698 | (*the_target->request_interrupt) (); |
c906108c | 699 | } |
bc3b5632 | 700 | while (cc != '+'); |
c906108c | 701 | |
0a30fbc4 | 702 | free (buf2); |
c906108c SS |
703 | return 1; /* Success! */ |
704 | } | |
705 | ||
bd99dc85 PA |
706 | int |
707 | putpkt_binary (char *buf, int cnt) | |
708 | { | |
709 | return putpkt_binary_1 (buf, cnt, 0); | |
710 | } | |
711 | ||
01f9e8fa DJ |
712 | /* Send a packet to the remote machine, with error checking. The data |
713 | of the packet is in BUF, and the packet should be a NUL-terminated | |
714 | string. Returns >= 0 on success, -1 otherwise. */ | |
715 | ||
716 | int | |
717 | putpkt (char *buf) | |
718 | { | |
719 | return putpkt_binary (buf, strlen (buf)); | |
720 | } | |
721 | ||
bd99dc85 PA |
722 | int |
723 | putpkt_notif (char *buf) | |
724 | { | |
725 | return putpkt_binary_1 (buf, strlen (buf), 1); | |
726 | } | |
727 | ||
c906108c SS |
728 | /* Come here when we get an input interrupt from the remote side. This |
729 | interrupt should only be active while we are waiting for the child to do | |
bc3b5632 DE |
730 | something. Thus this assumes readchar:bufcnt is 0. |
731 | About the only thing that should come through is a ^C, which | |
ef57601b | 732 | will cause us to request child interruption. */ |
c906108c SS |
733 | |
734 | static void | |
0a30fbc4 | 735 | input_interrupt (int unused) |
c906108c | 736 | { |
cf30a8e1 C |
737 | fd_set readset; |
738 | struct timeval immediate = { 0, 0 }; | |
c906108c | 739 | |
cf30a8e1 C |
740 | /* Protect against spurious interrupts. This has been observed to |
741 | be a problem under NetBSD 1.4 and 1.5. */ | |
c906108c | 742 | |
cf30a8e1 C |
743 | FD_ZERO (&readset); |
744 | FD_SET (remote_desc, &readset); | |
745 | if (select (remote_desc + 1, &readset, 0, 0, &immediate) > 0) | |
c906108c | 746 | { |
cf30a8e1 | 747 | int cc; |
fd500816 | 748 | char c = 0; |
7390519e | 749 | |
e0f9f062 | 750 | cc = read_prim (&c, 1); |
c906108c | 751 | |
fafcc06a | 752 | if (cc == 0) |
cf30a8e1 | 753 | { |
fafcc06a SDJ |
754 | fprintf (stderr, "client connection closed\n"); |
755 | return; | |
756 | } | |
f0db101d | 757 | else if (cc != 1 || c != '\003') |
fafcc06a SDJ |
758 | { |
759 | fprintf (stderr, "input_interrupt, count = %d c = %d ", cc, c); | |
760 | if (isprint (c)) | |
761 | fprintf (stderr, "('%c')\n", c); | |
762 | else | |
763 | fprintf (stderr, "('\\x%02x')\n", c & 0xff); | |
cf30a8e1 C |
764 | return; |
765 | } | |
7390519e | 766 | |
ef57601b | 767 | (*the_target->request_interrupt) (); |
cf30a8e1 | 768 | } |
c906108c | 769 | } |
7390519e PA |
770 | |
771 | /* Check if the remote side sent us an interrupt request (^C). */ | |
772 | void | |
773 | check_remote_input_interrupt_request (void) | |
774 | { | |
775 | /* This function may be called before establishing communications, | |
776 | therefore we need to validate the remote descriptor. */ | |
777 | ||
778 | if (remote_desc == INVALID_DESCRIPTOR) | |
779 | return; | |
780 | ||
781 | input_interrupt (0); | |
782 | } | |
b80864fb | 783 | |
8b207339 YQ |
784 | /* Asynchronous I/O support. SIGIO must be unblocked when waiting, |
785 | in order to accept Control-C from the client, and must be blocked | |
786 | when talking to the client. */ | |
c906108c | 787 | |
a20d5e98 | 788 | static void |
8b207339 | 789 | block_unblock_async_io (int block) |
62ea82f5 | 790 | { |
b80864fb | 791 | #ifndef USE_WIN32API |
62ea82f5 | 792 | sigset_t sigio_set; |
a20d5e98 | 793 | |
62ea82f5 DJ |
794 | sigemptyset (&sigio_set); |
795 | sigaddset (&sigio_set, SIGIO); | |
8b207339 | 796 | sigprocmask (block ? SIG_BLOCK : SIG_UNBLOCK, &sigio_set, NULL); |
b80864fb | 797 | #endif |
62ea82f5 DJ |
798 | } |
799 | ||
ac8c974e AR |
800 | #ifdef __QNX__ |
801 | static void | |
802 | nto_comctrl (int enable) | |
803 | { | |
804 | struct sigevent event; | |
805 | ||
806 | if (enable) | |
807 | { | |
808 | event.sigev_notify = SIGEV_SIGNAL_THREAD; | |
809 | event.sigev_signo = SIGIO; | |
810 | event.sigev_code = 0; | |
811 | event.sigev_value.sival_ptr = NULL; | |
812 | event.sigev_priority = -1; | |
813 | ionotify (remote_desc, _NOTIFY_ACTION_POLLARM, _NOTIFY_COND_INPUT, | |
814 | &event); | |
815 | } | |
816 | else | |
817 | ionotify (remote_desc, _NOTIFY_ACTION_POLL, _NOTIFY_COND_INPUT, NULL); | |
818 | } | |
819 | #endif /* __QNX__ */ | |
820 | ||
821 | ||
fd500816 DJ |
822 | /* Current state of asynchronous I/O. */ |
823 | static int async_io_enabled; | |
824 | ||
825 | /* Enable asynchronous I/O. */ | |
c906108c | 826 | void |
fba45db2 | 827 | enable_async_io (void) |
c906108c | 828 | { |
fd500816 DJ |
829 | if (async_io_enabled) |
830 | return; | |
831 | ||
8b207339 YQ |
832 | block_unblock_async_io (0); |
833 | ||
fd500816 | 834 | async_io_enabled = 1; |
ac8c974e AR |
835 | #ifdef __QNX__ |
836 | nto_comctrl (1); | |
837 | #endif /* __QNX__ */ | |
c906108c SS |
838 | } |
839 | ||
fd500816 | 840 | /* Disable asynchronous I/O. */ |
c906108c | 841 | void |
fba45db2 | 842 | disable_async_io (void) |
c906108c | 843 | { |
fd500816 DJ |
844 | if (!async_io_enabled) |
845 | return; | |
846 | ||
8b207339 YQ |
847 | block_unblock_async_io (1); |
848 | ||
fd500816 | 849 | async_io_enabled = 0; |
ac8c974e AR |
850 | #ifdef __QNX__ |
851 | nto_comctrl (0); | |
852 | #endif /* __QNX__ */ | |
853 | ||
c906108c SS |
854 | } |
855 | ||
a20d5e98 DJ |
856 | void |
857 | initialize_async_io (void) | |
858 | { | |
8b207339 | 859 | /* Make sure that async I/O starts blocked. */ |
a20d5e98 DJ |
860 | async_io_enabled = 1; |
861 | disable_async_io (); | |
862 | ||
8b207339 YQ |
863 | /* Install the signal handler. */ |
864 | #ifndef USE_WIN32API | |
865 | signal (SIGIO, input_interrupt); | |
866 | #endif | |
a20d5e98 DJ |
867 | } |
868 | ||
24b066ba DE |
869 | /* Internal buffer used by readchar. |
870 | These are global to readchar because reschedule_remote needs to be | |
871 | able to tell whether the buffer is empty. */ | |
872 | ||
873 | static unsigned char readchar_buf[BUFSIZ]; | |
874 | static int readchar_bufcnt = 0; | |
875 | static unsigned char *readchar_bufp; | |
876 | ||
c906108c SS |
877 | /* Returns next char from remote GDB. -1 if error. */ |
878 | ||
879 | static int | |
fba45db2 | 880 | readchar (void) |
c906108c | 881 | { |
24b066ba | 882 | int ch; |
c906108c | 883 | |
24b066ba DE |
884 | if (readchar_bufcnt == 0) |
885 | { | |
e0f9f062 | 886 | readchar_bufcnt = read_prim (readchar_buf, sizeof (readchar_buf)); |
c906108c | 887 | |
24b066ba DE |
888 | if (readchar_bufcnt <= 0) |
889 | { | |
890 | if (readchar_bufcnt == 0) | |
fddedbe6 PA |
891 | { |
892 | if (remote_debug) | |
4eefa7bc | 893 | debug_printf ("readchar: Got EOF\n"); |
fddedbe6 | 894 | } |
24b066ba DE |
895 | else |
896 | perror ("readchar"); | |
c906108c | 897 | |
24b066ba DE |
898 | return -1; |
899 | } | |
c906108c | 900 | |
24b066ba | 901 | readchar_bufp = readchar_buf; |
c906108c SS |
902 | } |
903 | ||
24b066ba DE |
904 | readchar_bufcnt--; |
905 | ch = *readchar_bufp++; | |
906 | reschedule (); | |
907 | return ch; | |
908 | } | |
909 | ||
910 | /* Reset the readchar state machine. */ | |
911 | ||
912 | static void | |
913 | reset_readchar (void) | |
914 | { | |
915 | readchar_bufcnt = 0; | |
916 | if (readchar_callback != NOT_SCHEDULED) | |
917 | { | |
918 | delete_callback_event (readchar_callback); | |
919 | readchar_callback = NOT_SCHEDULED; | |
920 | } | |
921 | } | |
922 | ||
923 | /* Process remaining data in readchar_buf. */ | |
924 | ||
925 | static int | |
926 | process_remaining (void *context) | |
927 | { | |
928 | int res; | |
929 | ||
930 | /* This is a one-shot event. */ | |
931 | readchar_callback = NOT_SCHEDULED; | |
932 | ||
933 | if (readchar_bufcnt > 0) | |
934 | res = handle_serial_event (0, NULL); | |
935 | else | |
936 | res = 0; | |
937 | ||
938 | return res; | |
939 | } | |
940 | ||
941 | /* If there is still data in the buffer, queue another event to process it, | |
942 | we can't sleep in select yet. */ | |
943 | ||
944 | static void | |
945 | reschedule (void) | |
946 | { | |
947 | if (readchar_bufcnt > 0 && readchar_callback == NOT_SCHEDULED) | |
948 | readchar_callback = append_callback_event (process_remaining, NULL); | |
c906108c SS |
949 | } |
950 | ||
951 | /* Read a packet from the remote machine, with error checking, | |
952 | and store it in BUF. Returns length of packet, or negative if error. */ | |
953 | ||
954 | int | |
fba45db2 | 955 | getpkt (char *buf) |
c906108c SS |
956 | { |
957 | char *bp; | |
958 | unsigned char csum, c1, c2; | |
959 | int c; | |
960 | ||
961 | while (1) | |
962 | { | |
963 | csum = 0; | |
964 | ||
965 | while (1) | |
966 | { | |
967 | c = readchar (); | |
5a0dd67a YQ |
968 | |
969 | /* The '\003' may appear before or after each packet, so | |
970 | check for an input interrupt. */ | |
971 | if (c == '\003') | |
972 | { | |
973 | (*the_target->request_interrupt) (); | |
974 | continue; | |
975 | } | |
976 | ||
c906108c SS |
977 | if (c == '$') |
978 | break; | |
979 | if (remote_debug) | |
0d62e5e8 | 980 | { |
4eefa7bc PA |
981 | debug_printf ("[getpkt: discarding char '%c']\n", c); |
982 | debug_flush (); | |
0d62e5e8 DJ |
983 | } |
984 | ||
c906108c SS |
985 | if (c < 0) |
986 | return -1; | |
987 | } | |
988 | ||
989 | bp = buf; | |
990 | while (1) | |
991 | { | |
992 | c = readchar (); | |
993 | if (c < 0) | |
994 | return -1; | |
995 | if (c == '#') | |
996 | break; | |
997 | *bp++ = c; | |
998 | csum += c; | |
999 | } | |
1000 | *bp = 0; | |
1001 | ||
1002 | c1 = fromhex (readchar ()); | |
1003 | c2 = fromhex (readchar ()); | |
c5aa993b | 1004 | |
c906108c SS |
1005 | if (csum == (c1 << 4) + c2) |
1006 | break; | |
1007 | ||
a6f3e723 SL |
1008 | if (noack_mode) |
1009 | { | |
493e2a69 MS |
1010 | fprintf (stderr, |
1011 | "Bad checksum, sentsum=0x%x, csum=0x%x, " | |
1012 | "buf=%s [no-ack-mode, Bad medium?]\n", | |
a6f3e723 SL |
1013 | (c1 << 4) + c2, csum, buf); |
1014 | /* Not much we can do, GDB wasn't expecting an ack/nac. */ | |
1015 | break; | |
1016 | } | |
1017 | ||
c906108c SS |
1018 | fprintf (stderr, "Bad checksum, sentsum=0x%x, csum=0x%x, buf=%s\n", |
1019 | (c1 << 4) + c2, csum, buf); | |
e0f9f062 | 1020 | if (write_prim ("-", 1) != 1) |
e581f2b4 | 1021 | return -1; |
c906108c SS |
1022 | } |
1023 | ||
a6f3e723 | 1024 | if (!noack_mode) |
0d62e5e8 | 1025 | { |
a6f3e723 SL |
1026 | if (remote_debug) |
1027 | { | |
4eefa7bc PA |
1028 | debug_printf ("getpkt (\"%s\"); [sending ack] \n", buf); |
1029 | debug_flush (); | |
a6f3e723 | 1030 | } |
c906108c | 1031 | |
e0f9f062 | 1032 | if (write_prim ("+", 1) != 1) |
e581f2b4 | 1033 | return -1; |
c906108c | 1034 | |
a6f3e723 SL |
1035 | if (remote_debug) |
1036 | { | |
4eefa7bc PA |
1037 | debug_printf ("[sent ack]\n"); |
1038 | debug_flush (); | |
a6f3e723 | 1039 | } |
0d62e5e8 | 1040 | } |
86b1f9c5 PM |
1041 | else |
1042 | { | |
1043 | if (remote_debug) | |
1044 | { | |
4eefa7bc PA |
1045 | debug_printf ("getpkt (\"%s\"); [no ack sent] \n", buf); |
1046 | debug_flush (); | |
86b1f9c5 PM |
1047 | } |
1048 | } | |
0d62e5e8 | 1049 | |
18879fef YQ |
1050 | /* The readchar above may have already read a '\003' out of the socket |
1051 | and moved it to the local buffer. For example, when GDB sends | |
1052 | vCont;c immediately followed by interrupt (see | |
1053 | gdb.base/interrupt-noterm.exp). As soon as we see the vCont;c, we'll | |
1054 | resume the inferior and wait. Since we've already moved the '\003' | |
1055 | to the local buffer, SIGIO won't help. In that case, if we don't | |
1056 | check for interrupt after the vCont;c packet, the interrupt character | |
1057 | would stay in the buffer unattended until after the next (unrelated) | |
1058 | stop. */ | |
1059 | while (readchar_bufcnt > 0 && *readchar_bufp == '\003') | |
1060 | { | |
1061 | /* Consume the interrupt character in the buffer. */ | |
1062 | readchar (); | |
1063 | (*the_target->request_interrupt) (); | |
1064 | } | |
1065 | ||
c906108c SS |
1066 | return bp - buf; |
1067 | } | |
1068 | ||
1069 | void | |
fba45db2 | 1070 | write_ok (char *buf) |
c906108c SS |
1071 | { |
1072 | buf[0] = 'O'; | |
1073 | buf[1] = 'K'; | |
1074 | buf[2] = '\0'; | |
1075 | } | |
1076 | ||
1077 | void | |
fba45db2 | 1078 | write_enn (char *buf) |
c906108c | 1079 | { |
c89dc5d4 | 1080 | /* Some day, we should define the meanings of the error codes... */ |
c906108c | 1081 | buf[0] = 'E'; |
c89dc5d4 DJ |
1082 | buf[1] = '0'; |
1083 | buf[2] = '1'; | |
c906108c SS |
1084 | buf[3] = '\0'; |
1085 | } | |
1086 | ||
0fb4aa4b PA |
1087 | #endif |
1088 | ||
0fb4aa4b | 1089 | #ifndef IN_PROCESS_AGENT |
c906108c | 1090 | |
c906108c | 1091 | static char * |
442ea881 | 1092 | outreg (struct regcache *regcache, int regno, char *buf) |
c906108c | 1093 | { |
5c44784c JM |
1094 | if ((regno >> 12) != 0) |
1095 | *buf++ = tohex ((regno >> 12) & 0xf); | |
1096 | if ((regno >> 8) != 0) | |
1097 | *buf++ = tohex ((regno >> 8) & 0xf); | |
1098 | *buf++ = tohex ((regno >> 4) & 0xf); | |
c906108c SS |
1099 | *buf++ = tohex (regno & 0xf); |
1100 | *buf++ = ':'; | |
442ea881 | 1101 | collect_register_as_string (regcache, regno, buf); |
3aee8918 | 1102 | buf += 2 * register_size (regcache->tdesc, regno); |
c906108c SS |
1103 | *buf++ = ';'; |
1104 | ||
1105 | return buf; | |
1106 | } | |
1107 | ||
1108 | void | |
95954743 | 1109 | prepare_resume_reply (char *buf, ptid_t ptid, |
5b1c542e | 1110 | struct target_waitstatus *status) |
c906108c | 1111 | { |
5b1c542e | 1112 | if (debug_threads) |
87ce2a04 DE |
1113 | debug_printf ("Writing resume reply for %s:%d\n", |
1114 | target_pid_to_str (ptid), status->kind); | |
c906108c | 1115 | |
5b1c542e | 1116 | switch (status->kind) |
c906108c | 1117 | { |
5b1c542e | 1118 | case TARGET_WAITKIND_STOPPED: |
de0d863e | 1119 | case TARGET_WAITKIND_FORKED: |
c269dbdb | 1120 | case TARGET_WAITKIND_VFORKED: |
8228463c | 1121 | case TARGET_WAITKIND_VFORK_DONE: |
94585166 | 1122 | case TARGET_WAITKIND_EXECD: |
65706a29 | 1123 | case TARGET_WAITKIND_THREAD_CREATED: |
82075af2 JS |
1124 | case TARGET_WAITKIND_SYSCALL_ENTRY: |
1125 | case TARGET_WAITKIND_SYSCALL_RETURN: | |
5b1c542e | 1126 | { |
0bfdf32f | 1127 | struct thread_info *saved_thread; |
5b1c542e | 1128 | const char **regp; |
442ea881 | 1129 | struct regcache *regcache; |
e013ee27 | 1130 | |
c269dbdb DB |
1131 | if ((status->kind == TARGET_WAITKIND_FORKED && report_fork_events) |
1132 | || (status->kind == TARGET_WAITKIND_VFORKED && report_vfork_events)) | |
de0d863e DB |
1133 | { |
1134 | enum gdb_signal signal = GDB_SIGNAL_TRAP; | |
c269dbdb DB |
1135 | const char *event = (status->kind == TARGET_WAITKIND_FORKED |
1136 | ? "fork" : "vfork"); | |
de0d863e | 1137 | |
c269dbdb | 1138 | sprintf (buf, "T%02x%s:", signal, event); |
de0d863e DB |
1139 | buf += strlen (buf); |
1140 | buf = write_ptid (buf, status->value.related_pid); | |
1141 | strcat (buf, ";"); | |
1142 | } | |
8228463c PA |
1143 | else if (status->kind == TARGET_WAITKIND_VFORK_DONE && report_vfork_events) |
1144 | { | |
1145 | enum gdb_signal signal = GDB_SIGNAL_TRAP; | |
1146 | ||
1147 | sprintf (buf, "T%02xvforkdone:;", signal); | |
1148 | } | |
d57e0d50 | 1149 | else if (status->kind == TARGET_WAITKIND_EXECD && report_exec_events) |
94585166 DB |
1150 | { |
1151 | enum gdb_signal signal = GDB_SIGNAL_TRAP; | |
1152 | const char *event = "exec"; | |
1153 | char hexified_pathname[PATH_MAX * 2]; | |
1154 | ||
1155 | sprintf (buf, "T%02x%s:", signal, event); | |
1156 | buf += strlen (buf); | |
1157 | ||
1158 | /* Encode pathname to hexified format. */ | |
1159 | bin2hex ((const gdb_byte *) status->value.execd_pathname, | |
1160 | hexified_pathname, | |
1161 | strlen (status->value.execd_pathname)); | |
1162 | ||
1163 | sprintf (buf, "%s;", hexified_pathname); | |
1164 | xfree (status->value.execd_pathname); | |
1165 | status->value.execd_pathname = NULL; | |
1166 | buf += strlen (buf); | |
1167 | } | |
65706a29 PA |
1168 | else if (status->kind == TARGET_WAITKIND_THREAD_CREATED |
1169 | && report_thread_events) | |
1170 | { | |
1171 | enum gdb_signal signal = GDB_SIGNAL_TRAP; | |
1172 | ||
1173 | sprintf (buf, "T%02xcreate:;", signal); | |
1174 | } | |
82075af2 JS |
1175 | else if (status->kind == TARGET_WAITKIND_SYSCALL_ENTRY |
1176 | || status->kind == TARGET_WAITKIND_SYSCALL_RETURN) | |
1177 | { | |
1178 | enum gdb_signal signal = GDB_SIGNAL_TRAP; | |
1179 | const char *event = (status->kind == TARGET_WAITKIND_SYSCALL_ENTRY | |
1180 | ? "syscall_entry" : "syscall_return"); | |
1181 | ||
1182 | sprintf (buf, "T%02x%s:%x;", signal, event, | |
1183 | status->value.syscall_number); | |
1184 | } | |
de0d863e DB |
1185 | else |
1186 | sprintf (buf, "T%02x", status->value.sig); | |
1187 | ||
5b1c542e | 1188 | buf += strlen (buf); |
e013ee27 | 1189 | |
0bfdf32f | 1190 | saved_thread = current_thread; |
e013ee27 | 1191 | |
75352e28 | 1192 | switch_to_thread (ptid); |
e013ee27 | 1193 | |
3aee8918 PA |
1194 | regp = current_target_desc ()->expedite_regs; |
1195 | ||
0bfdf32f | 1196 | regcache = get_thread_regcache (current_thread, 1); |
442ea881 | 1197 | |
5b1c542e PA |
1198 | if (the_target->stopped_by_watchpoint != NULL |
1199 | && (*the_target->stopped_by_watchpoint) ()) | |
1200 | { | |
1201 | CORE_ADDR addr; | |
1202 | int i; | |
c906108c | 1203 | |
5b1c542e PA |
1204 | strncpy (buf, "watch:", 6); |
1205 | buf += 6; | |
0d62e5e8 | 1206 | |
5b1c542e | 1207 | addr = (*the_target->stopped_data_address) (); |
255e7678 | 1208 | |
5b1c542e PA |
1209 | /* Convert each byte of the address into two hexadecimal |
1210 | chars. Note that we take sizeof (void *) instead of | |
1211 | sizeof (addr); this is to avoid sending a 64-bit | |
1212 | address to a 32-bit GDB. */ | |
1213 | for (i = sizeof (void *) * 2; i > 0; i--) | |
1214 | *buf++ = tohex ((addr >> (i - 1) * 4) & 0xf); | |
1215 | *buf++ = ';'; | |
1216 | } | |
1ec68e26 PA |
1217 | else if (swbreak_feature && target_stopped_by_sw_breakpoint ()) |
1218 | { | |
1219 | sprintf (buf, "swbreak:;"); | |
1220 | buf += strlen (buf); | |
1221 | } | |
1222 | else if (hwbreak_feature && target_stopped_by_hw_breakpoint ()) | |
1223 | { | |
1224 | sprintf (buf, "hwbreak:;"); | |
1225 | buf += strlen (buf); | |
1226 | } | |
5b1c542e PA |
1227 | |
1228 | while (*regp) | |
1229 | { | |
3aee8918 | 1230 | buf = outreg (regcache, find_regno (regcache->tdesc, *regp), buf); |
5b1c542e PA |
1231 | regp ++; |
1232 | } | |
5472f405 | 1233 | *buf = '\0'; |
5b1c542e PA |
1234 | |
1235 | /* Formerly, if the debugger had not used any thread features | |
1236 | we would not burden it with a thread status response. This | |
1237 | was for the benefit of GDB 4.13 and older. However, in | |
1238 | recent GDB versions the check (``if (cont_thread != 0)'') | |
1239 | does not have the desired effect because of sillyness in | |
1240 | the way that the remote protocol handles specifying a | |
1241 | thread. Since thread support relies on qSymbol support | |
1242 | anyway, assume GDB can handle threads. */ | |
1243 | ||
1244 | if (using_threads && !disable_packet_Tthread) | |
1245 | { | |
1246 | /* This if (1) ought to be unnecessary. But remote_wait | |
1247 | in GDB will claim this event belongs to inferior_ptid | |
1248 | if we do not specify a thread, and there's no way for | |
1249 | gdbserver to know what inferior_ptid is. */ | |
95954743 | 1250 | if (1 || !ptid_equal (general_thread, ptid)) |
5b1c542e | 1251 | { |
dc146f7c | 1252 | int core = -1; |
bd99dc85 PA |
1253 | /* In non-stop, don't change the general thread behind |
1254 | GDB's back. */ | |
1255 | if (!non_stop) | |
1256 | general_thread = ptid; | |
95954743 PA |
1257 | sprintf (buf, "thread:"); |
1258 | buf += strlen (buf); | |
1259 | buf = write_ptid (buf, ptid); | |
1260 | strcat (buf, ";"); | |
5b1c542e | 1261 | buf += strlen (buf); |
dc146f7c | 1262 | |
3e10640f YQ |
1263 | core = target_core_of_thread (ptid); |
1264 | ||
dc146f7c VP |
1265 | if (core != -1) |
1266 | { | |
1267 | sprintf (buf, "core:"); | |
1268 | buf += strlen (buf); | |
1269 | sprintf (buf, "%x", core); | |
1270 | strcat (buf, ";"); | |
1271 | buf += strlen (buf); | |
1272 | } | |
5b1c542e PA |
1273 | } |
1274 | } | |
1275 | ||
1276 | if (dlls_changed) | |
1277 | { | |
1278 | strcpy (buf, "library:;"); | |
1279 | buf += strlen (buf); | |
1280 | dlls_changed = 0; | |
1281 | } | |
1282 | ||
0bfdf32f | 1283 | current_thread = saved_thread; |
5b1c542e PA |
1284 | } |
1285 | break; | |
1286 | case TARGET_WAITKIND_EXITED: | |
95954743 PA |
1287 | if (multi_process) |
1288 | sprintf (buf, "W%x;process:%x", | |
1289 | status->value.integer, ptid_get_pid (ptid)); | |
1290 | else | |
1291 | sprintf (buf, "W%02x", status->value.integer); | |
5b1c542e PA |
1292 | break; |
1293 | case TARGET_WAITKIND_SIGNALLED: | |
95954743 PA |
1294 | if (multi_process) |
1295 | sprintf (buf, "X%x;process:%x", | |
1296 | status->value.sig, ptid_get_pid (ptid)); | |
1297 | else | |
1298 | sprintf (buf, "X%02x", status->value.sig); | |
5b1c542e | 1299 | break; |
65706a29 PA |
1300 | case TARGET_WAITKIND_THREAD_EXITED: |
1301 | sprintf (buf, "w%x;", status->value.integer); | |
1302 | buf += strlen (buf); | |
1303 | buf = write_ptid (buf, ptid); | |
1304 | break; | |
f2faf941 PA |
1305 | case TARGET_WAITKIND_NO_RESUMED: |
1306 | sprintf (buf, "N"); | |
1307 | break; | |
5b1c542e PA |
1308 | default: |
1309 | error ("unhandled waitkind"); | |
1310 | break; | |
c906108c | 1311 | } |
c906108c SS |
1312 | } |
1313 | ||
1314 | void | |
fba45db2 | 1315 | decode_m_packet (char *from, CORE_ADDR *mem_addr_ptr, unsigned int *len_ptr) |
c906108c SS |
1316 | { |
1317 | int i = 0, j = 0; | |
1318 | char ch; | |
1319 | *mem_addr_ptr = *len_ptr = 0; | |
1320 | ||
1321 | while ((ch = from[i++]) != ',') | |
1322 | { | |
1323 | *mem_addr_ptr = *mem_addr_ptr << 4; | |
1324 | *mem_addr_ptr |= fromhex (ch) & 0x0f; | |
1325 | } | |
1326 | ||
1327 | for (j = 0; j < 4; j++) | |
1328 | { | |
1329 | if ((ch = from[i++]) == 0) | |
1330 | break; | |
1331 | *len_ptr = *len_ptr << 4; | |
1332 | *len_ptr |= fromhex (ch) & 0x0f; | |
1333 | } | |
1334 | } | |
1335 | ||
1336 | void | |
fba45db2 | 1337 | decode_M_packet (char *from, CORE_ADDR *mem_addr_ptr, unsigned int *len_ptr, |
fa593d66 | 1338 | unsigned char **to_p) |
c906108c SS |
1339 | { |
1340 | int i = 0; | |
1341 | char ch; | |
1342 | *mem_addr_ptr = *len_ptr = 0; | |
1343 | ||
1344 | while ((ch = from[i++]) != ',') | |
1345 | { | |
1346 | *mem_addr_ptr = *mem_addr_ptr << 4; | |
1347 | *mem_addr_ptr |= fromhex (ch) & 0x0f; | |
1348 | } | |
1349 | ||
1350 | while ((ch = from[i++]) != ':') | |
1351 | { | |
1352 | *len_ptr = *len_ptr << 4; | |
1353 | *len_ptr |= fromhex (ch) & 0x0f; | |
1354 | } | |
1355 | ||
fa593d66 | 1356 | if (*to_p == NULL) |
224c3ddb | 1357 | *to_p = (unsigned char *) xmalloc (*len_ptr); |
fa593d66 | 1358 | |
a7191e8b | 1359 | hex2bin (&from[i++], *to_p, *len_ptr); |
c906108c | 1360 | } |
2f2893d9 | 1361 | |
01f9e8fa DJ |
1362 | int |
1363 | decode_X_packet (char *from, int packet_len, CORE_ADDR *mem_addr_ptr, | |
fa593d66 | 1364 | unsigned int *len_ptr, unsigned char **to_p) |
01f9e8fa DJ |
1365 | { |
1366 | int i = 0; | |
1367 | char ch; | |
1368 | *mem_addr_ptr = *len_ptr = 0; | |
1369 | ||
1370 | while ((ch = from[i++]) != ',') | |
1371 | { | |
1372 | *mem_addr_ptr = *mem_addr_ptr << 4; | |
1373 | *mem_addr_ptr |= fromhex (ch) & 0x0f; | |
1374 | } | |
1375 | ||
1376 | while ((ch = from[i++]) != ':') | |
1377 | { | |
1378 | *len_ptr = *len_ptr << 4; | |
1379 | *len_ptr |= fromhex (ch) & 0x0f; | |
1380 | } | |
1381 | ||
fa593d66 | 1382 | if (*to_p == NULL) |
224c3ddb | 1383 | *to_p = (unsigned char *) xmalloc (*len_ptr); |
fa593d66 | 1384 | |
01f9e8fa | 1385 | if (remote_unescape_input ((const gdb_byte *) &from[i], packet_len - i, |
fa593d66 | 1386 | *to_p, *len_ptr) != *len_ptr) |
01f9e8fa DJ |
1387 | return -1; |
1388 | ||
1389 | return 0; | |
1390 | } | |
1391 | ||
0e7f50da | 1392 | /* Decode a qXfer write request. */ |
d08aafef | 1393 | |
0e7f50da | 1394 | int |
d08aafef | 1395 | decode_xfer_write (char *buf, int packet_len, CORE_ADDR *offset, |
0e7f50da UW |
1396 | unsigned int *len, unsigned char *data) |
1397 | { | |
1398 | char ch; | |
d08aafef | 1399 | char *b = buf; |
0e7f50da UW |
1400 | |
1401 | /* Extract the offset. */ | |
1402 | *offset = 0; | |
1403 | while ((ch = *buf++) != ':') | |
1404 | { | |
1405 | *offset = *offset << 4; | |
1406 | *offset |= fromhex (ch) & 0x0f; | |
1407 | } | |
1408 | ||
1409 | /* Get encoded data. */ | |
d08aafef | 1410 | packet_len -= buf - b; |
0e7f50da UW |
1411 | *len = remote_unescape_input ((const gdb_byte *) buf, packet_len, |
1412 | data, packet_len); | |
1413 | return 0; | |
1414 | } | |
1415 | ||
08388c79 DE |
1416 | /* Decode the parameters of a qSearch:memory packet. */ |
1417 | ||
1418 | int | |
1419 | decode_search_memory_packet (const char *buf, int packet_len, | |
1420 | CORE_ADDR *start_addrp, | |
1421 | CORE_ADDR *search_space_lenp, | |
1422 | gdb_byte *pattern, unsigned int *pattern_lenp) | |
1423 | { | |
1424 | const char *p = buf; | |
1425 | ||
1426 | p = decode_address_to_semicolon (start_addrp, p); | |
1427 | p = decode_address_to_semicolon (search_space_lenp, p); | |
1428 | packet_len -= p - buf; | |
1429 | *pattern_lenp = remote_unescape_input ((const gdb_byte *) p, packet_len, | |
1430 | pattern, packet_len); | |
1431 | return 0; | |
1432 | } | |
1433 | ||
95954743 PA |
1434 | static void |
1435 | free_sym_cache (struct sym_cache *sym) | |
1436 | { | |
1437 | if (sym != NULL) | |
1438 | { | |
1439 | free (sym->name); | |
1440 | free (sym); | |
1441 | } | |
1442 | } | |
1443 | ||
1444 | void | |
1445 | clear_symbol_cache (struct sym_cache **symcache_p) | |
1446 | { | |
1447 | struct sym_cache *sym, *next; | |
1448 | ||
1449 | /* Check the cache first. */ | |
1450 | for (sym = *symcache_p; sym; sym = next) | |
1451 | { | |
1452 | next = sym->next; | |
1453 | free_sym_cache (sym); | |
1454 | } | |
1455 | ||
1456 | *symcache_p = NULL; | |
1457 | } | |
1458 | ||
9836d6ea PA |
1459 | /* Get the address of NAME, and return it in ADDRP if found. if |
1460 | MAY_ASK_GDB is false, assume symbol cache misses are failures. | |
fd500816 DJ |
1461 | Returns 1 if the symbol is found, 0 if it is not, -1 on error. */ |
1462 | ||
2f2893d9 | 1463 | int |
9836d6ea | 1464 | look_up_one_symbol (const char *name, CORE_ADDR *addrp, int may_ask_gdb) |
2f2893d9 | 1465 | { |
28170b88 | 1466 | char *p, *q; |
2f2893d9 | 1467 | int len; |
fd500816 | 1468 | struct sym_cache *sym; |
95954743 PA |
1469 | struct process_info *proc; |
1470 | ||
1471 | proc = current_process (); | |
fd500816 DJ |
1472 | |
1473 | /* Check the cache first. */ | |
95954743 | 1474 | for (sym = proc->symbol_cache; sym; sym = sym->next) |
fd500816 DJ |
1475 | if (strcmp (name, sym->name) == 0) |
1476 | { | |
1477 | *addrp = sym->addr; | |
1478 | return 1; | |
1479 | } | |
2f2893d9 | 1480 | |
9836d6ea PA |
1481 | /* It might not be an appropriate time to look up a symbol, |
1482 | e.g. while we're trying to fetch registers. */ | |
1483 | if (!may_ask_gdb) | |
ea025f5f DJ |
1484 | return 0; |
1485 | ||
2f2893d9 DJ |
1486 | /* Send the request. */ |
1487 | strcpy (own_buf, "qSymbol:"); | |
971dc0b8 TT |
1488 | bin2hex ((const gdb_byte *) name, own_buf + strlen ("qSymbol:"), |
1489 | strlen (name)); | |
2f2893d9 DJ |
1490 | if (putpkt (own_buf) < 0) |
1491 | return -1; | |
1492 | ||
1493 | /* FIXME: Eventually add buffer overflow checking (to getpkt?) */ | |
1494 | len = getpkt (own_buf); | |
1495 | if (len < 0) | |
1496 | return -1; | |
1497 | ||
2bbe3cc1 DJ |
1498 | /* We ought to handle pretty much any packet at this point while we |
1499 | wait for the qSymbol "response". That requires re-entering the | |
1500 | main loop. For now, this is an adequate approximation; allow | |
28170b88 MK |
1501 | GDB to read from memory and handle 'v' packets (for vFile transfers) |
1502 | while it figures out the address of the symbol. */ | |
1503 | while (1) | |
2bbe3cc1 | 1504 | { |
28170b88 MK |
1505 | if (own_buf[0] == 'm') |
1506 | { | |
1507 | CORE_ADDR mem_addr; | |
1508 | unsigned char *mem_buf; | |
1509 | unsigned int mem_len; | |
1510 | ||
1511 | decode_m_packet (&own_buf[1], &mem_addr, &mem_len); | |
1512 | mem_buf = (unsigned char *) xmalloc (mem_len); | |
1513 | if (read_inferior_memory (mem_addr, mem_buf, mem_len) == 0) | |
1514 | bin2hex (mem_buf, own_buf, mem_len); | |
1515 | else | |
1516 | write_enn (own_buf); | |
1517 | free (mem_buf); | |
1518 | if (putpkt (own_buf) < 0) | |
1519 | return -1; | |
1520 | } | |
1521 | else if (own_buf[0] == 'v') | |
1522 | { | |
1523 | int new_len = -1; | |
1524 | handle_v_requests (own_buf, len, &new_len); | |
1525 | if (new_len != -1) | |
1526 | putpkt_binary (own_buf, new_len); | |
1527 | else | |
1528 | putpkt (own_buf); | |
1529 | } | |
2bbe3cc1 | 1530 | else |
28170b88 | 1531 | break; |
2bbe3cc1 DJ |
1532 | len = getpkt (own_buf); |
1533 | if (len < 0) | |
1534 | return -1; | |
1535 | } | |
1b3f6016 | 1536 | |
61012eef | 1537 | if (!startswith (own_buf, "qSymbol:")) |
2f2893d9 | 1538 | { |
2bbe3cc1 | 1539 | warning ("Malformed response to qSymbol, ignoring: %s\n", own_buf); |
2f2893d9 DJ |
1540 | return -1; |
1541 | } | |
1542 | ||
1543 | p = own_buf + strlen ("qSymbol:"); | |
1544 | q = p; | |
1545 | while (*q && *q != ':') | |
1546 | q++; | |
1547 | ||
1548 | /* Make sure we found a value for the symbol. */ | |
1549 | if (p == q || *q == '\0') | |
1550 | return 0; | |
1551 | ||
1552 | decode_address (addrp, p, q - p); | |
fd500816 DJ |
1553 | |
1554 | /* Save the symbol in our cache. */ | |
8d749320 | 1555 | sym = XNEW (struct sym_cache); |
bca929d3 | 1556 | sym->name = xstrdup (name); |
fd500816 | 1557 | sym->addr = *addrp; |
95954743 PA |
1558 | sym->next = proc->symbol_cache; |
1559 | proc->symbol_cache = sym; | |
fd500816 | 1560 | |
2f2893d9 DJ |
1561 | return 1; |
1562 | } | |
c74d0ad8 | 1563 | |
fa593d66 PA |
1564 | /* Relocate an instruction to execute at a different address. OLDLOC |
1565 | is the address in the inferior memory where the instruction to | |
1566 | relocate is currently at. On input, TO points to the destination | |
1567 | where we want the instruction to be copied (and possibly adjusted) | |
1568 | to. On output, it points to one past the end of the resulting | |
1569 | instruction(s). The effect of executing the instruction at TO | |
86a30030 | 1570 | shall be the same as if executing it at OLDLOC. For example, call |
fa593d66 PA |
1571 | instructions that implicitly push the return address on the stack |
1572 | should be adjusted to return to the instruction after OLDLOC; | |
1573 | relative branches, and other PC-relative instructions need the | |
1574 | offset adjusted; etc. Returns 0 on success, -1 on failure. */ | |
1575 | ||
1576 | int | |
1577 | relocate_instruction (CORE_ADDR *to, CORE_ADDR oldloc) | |
1578 | { | |
fa593d66 PA |
1579 | int len; |
1580 | ULONGEST written = 0; | |
1581 | ||
1582 | /* Send the request. */ | |
fa593d66 PA |
1583 | sprintf (own_buf, "qRelocInsn:%s;%s", paddress (oldloc), |
1584 | paddress (*to)); | |
1585 | if (putpkt (own_buf) < 0) | |
1586 | return -1; | |
1587 | ||
1588 | /* FIXME: Eventually add buffer overflow checking (to getpkt?) */ | |
1589 | len = getpkt (own_buf); | |
1590 | if (len < 0) | |
1591 | return -1; | |
1592 | ||
1593 | /* We ought to handle pretty much any packet at this point while we | |
1594 | wait for the qRelocInsn "response". That requires re-entering | |
1595 | the main loop. For now, this is an adequate approximation; allow | |
1596 | GDB to access memory. */ | |
1597 | while (own_buf[0] == 'm' || own_buf[0] == 'M' || own_buf[0] == 'X') | |
1598 | { | |
1599 | CORE_ADDR mem_addr; | |
1600 | unsigned char *mem_buf = NULL; | |
1601 | unsigned int mem_len; | |
1602 | ||
1603 | if (own_buf[0] == 'm') | |
1604 | { | |
1605 | decode_m_packet (&own_buf[1], &mem_addr, &mem_len); | |
224c3ddb | 1606 | mem_buf = (unsigned char *) xmalloc (mem_len); |
fa593d66 | 1607 | if (read_inferior_memory (mem_addr, mem_buf, mem_len) == 0) |
e9371aff | 1608 | bin2hex (mem_buf, own_buf, mem_len); |
fa593d66 PA |
1609 | else |
1610 | write_enn (own_buf); | |
1611 | } | |
1612 | else if (own_buf[0] == 'X') | |
1613 | { | |
1614 | if (decode_X_packet (&own_buf[1], len - 1, &mem_addr, | |
1615 | &mem_len, &mem_buf) < 0 | |
1616 | || write_inferior_memory (mem_addr, mem_buf, mem_len) != 0) | |
1617 | write_enn (own_buf); | |
1618 | else | |
1619 | write_ok (own_buf); | |
1620 | } | |
1621 | else | |
1622 | { | |
1623 | decode_M_packet (&own_buf[1], &mem_addr, &mem_len, &mem_buf); | |
1624 | if (write_inferior_memory (mem_addr, mem_buf, mem_len) == 0) | |
1625 | write_ok (own_buf); | |
1626 | else | |
1627 | write_enn (own_buf); | |
1628 | } | |
1629 | free (mem_buf); | |
1630 | if (putpkt (own_buf) < 0) | |
1631 | return -1; | |
1632 | len = getpkt (own_buf); | |
1633 | if (len < 0) | |
1634 | return -1; | |
1635 | } | |
1636 | ||
1637 | if (own_buf[0] == 'E') | |
1638 | { | |
1639 | warning ("An error occurred while relocating an instruction: %s\n", | |
1640 | own_buf); | |
1641 | return -1; | |
1642 | } | |
1643 | ||
61012eef | 1644 | if (!startswith (own_buf, "qRelocInsn:")) |
fa593d66 PA |
1645 | { |
1646 | warning ("Malformed response to qRelocInsn, ignoring: %s\n", | |
1647 | own_buf); | |
1648 | return -1; | |
1649 | } | |
1650 | ||
1651 | unpack_varlen_hex (own_buf + strlen ("qRelocInsn:"), &written); | |
1652 | ||
1653 | *to += written; | |
1654 | return 0; | |
1655 | } | |
1656 | ||
c74d0ad8 | 1657 | void |
bce7165d | 1658 | monitor_output (const char *msg) |
c74d0ad8 | 1659 | { |
0a822afb | 1660 | int len = strlen (msg); |
224c3ddb | 1661 | char *buf = (char *) xmalloc (len * 2 + 2); |
c74d0ad8 DJ |
1662 | |
1663 | buf[0] = 'O'; | |
971dc0b8 | 1664 | bin2hex ((const gdb_byte *) msg, buf + 1, len); |
c74d0ad8 DJ |
1665 | |
1666 | putpkt (buf); | |
1667 | free (buf); | |
1668 | } | |
255e7678 | 1669 | |
0fb4aa4b | 1670 | #endif |