Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Main code for remote server for GDB. |
6aba47ca | 2 | Copyright (C) 1989, 1993, 1994, 1995, 1997, 1998, 1999, 2000, 2002, 2003, |
9b254dd1 | 3 | 2004, 2005, 2006, 2007, 2008 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 "server.h" | |
21 | ||
68070c10 | 22 | #if HAVE_UNISTD_H |
a9fa9f7d | 23 | #include <unistd.h> |
68070c10 PA |
24 | #endif |
25 | #if HAVE_SIGNAL_H | |
a9fa9f7d | 26 | #include <signal.h> |
68070c10 | 27 | #endif |
b80864fb | 28 | #if HAVE_SYS_WAIT_H |
a9fa9f7d | 29 | #include <sys/wait.h> |
b80864fb | 30 | #endif |
a9fa9f7d | 31 | |
a1928bad DJ |
32 | unsigned long cont_thread; |
33 | unsigned long general_thread; | |
34 | unsigned long step_thread; | |
35 | unsigned long thread_from_wait; | |
36 | unsigned long old_thread_from_wait; | |
0d62e5e8 DJ |
37 | int server_waiting; |
38 | ||
2d717e4f DJ |
39 | static int extended_protocol; |
40 | static int attached; | |
41 | static int response_needed; | |
42 | static int exit_requested; | |
43 | ||
ccd213ac | 44 | static char **program_argv, **wrapper_argv; |
2d717e4f | 45 | |
c74d0ad8 DJ |
46 | /* Enable miscellaneous debugging output. The name is historical - it |
47 | was originally used to debug LinuxThreads support. */ | |
48 | int debug_threads; | |
49 | ||
89be2091 DJ |
50 | int pass_signals[TARGET_SIGNAL_LAST]; |
51 | ||
c906108c | 52 | jmp_buf toplevel; |
c906108c | 53 | |
9b4b61c8 UW |
54 | const char *gdbserver_xmltarget; |
55 | ||
a9fa9f7d DJ |
56 | /* The PID of the originally created or attached inferior. Used to |
57 | send signals to the process when GDB sends us an asynchronous interrupt | |
58 | (user hitting Control-C in the client), and to wait for the child to exit | |
59 | when no longer debugging it. */ | |
60 | ||
a1928bad | 61 | unsigned long signal_pid; |
a9fa9f7d | 62 | |
290fadea RS |
63 | #ifdef SIGTTOU |
64 | /* A file descriptor for the controlling terminal. */ | |
65 | int terminal_fd; | |
66 | ||
67 | /* TERMINAL_FD's original foreground group. */ | |
68 | pid_t old_foreground_pgrp; | |
69 | ||
70 | /* Hand back terminal ownership to the original foreground group. */ | |
71 | ||
72 | static void | |
73 | restore_old_foreground_pgrp (void) | |
74 | { | |
75 | tcsetpgrp (terminal_fd, old_foreground_pgrp); | |
76 | } | |
77 | #endif | |
78 | ||
2d717e4f DJ |
79 | static int |
80 | target_running (void) | |
81 | { | |
82 | return all_threads.head != NULL; | |
83 | } | |
84 | ||
fc620387 | 85 | static int |
ccd213ac | 86 | start_inferior (char **argv, char *statusptr) |
c906108c | 87 | { |
ccd213ac | 88 | char **new_argv = argv; |
2d717e4f DJ |
89 | attached = 0; |
90 | ||
ccd213ac DJ |
91 | if (wrapper_argv != NULL) |
92 | { | |
93 | int i, count = 1; | |
94 | ||
95 | for (i = 0; wrapper_argv[i] != NULL; i++) | |
96 | count++; | |
97 | for (i = 0; argv[i] != NULL; i++) | |
98 | count++; | |
99 | new_argv = alloca (sizeof (char *) * count); | |
100 | count = 0; | |
101 | for (i = 0; wrapper_argv[i] != NULL; i++) | |
102 | new_argv[count++] = wrapper_argv[i]; | |
103 | for (i = 0; argv[i] != NULL; i++) | |
104 | new_argv[count++] = argv[i]; | |
105 | new_argv[count] = NULL; | |
106 | } | |
107 | ||
b80864fb | 108 | #ifdef SIGTTOU |
a9fa9f7d DJ |
109 | signal (SIGTTOU, SIG_DFL); |
110 | signal (SIGTTIN, SIG_DFL); | |
b80864fb | 111 | #endif |
a9fa9f7d | 112 | |
ccd213ac | 113 | signal_pid = create_inferior (new_argv[0], new_argv); |
0d62e5e8 | 114 | |
c588c53c MS |
115 | /* FIXME: we don't actually know at this point that the create |
116 | actually succeeded. We won't know that until we wait. */ | |
a1928bad | 117 | fprintf (stderr, "Process %s created; pid = %ld\n", argv[0], |
a9fa9f7d | 118 | signal_pid); |
b80864fb | 119 | fflush (stderr); |
a9fa9f7d | 120 | |
b80864fb | 121 | #ifdef SIGTTOU |
a9fa9f7d DJ |
122 | signal (SIGTTOU, SIG_IGN); |
123 | signal (SIGTTIN, SIG_IGN); | |
290fadea RS |
124 | terminal_fd = fileno (stderr); |
125 | old_foreground_pgrp = tcgetpgrp (terminal_fd); | |
126 | tcsetpgrp (terminal_fd, signal_pid); | |
127 | atexit (restore_old_foreground_pgrp); | |
b80864fb | 128 | #endif |
c906108c | 129 | |
ccd213ac DJ |
130 | if (wrapper_argv != NULL) |
131 | { | |
132 | struct thread_resume resume_info; | |
133 | int sig; | |
134 | ||
135 | resume_info.thread = -1; | |
136 | resume_info.step = 0; | |
137 | resume_info.sig = 0; | |
138 | resume_info.leave_stopped = 0; | |
139 | ||
140 | sig = mywait (statusptr, 0); | |
141 | if (*statusptr != 'T') | |
142 | return sig; | |
143 | ||
144 | do | |
145 | { | |
146 | (*the_target->resume) (&resume_info); | |
147 | ||
148 | sig = mywait (statusptr, 0); | |
149 | if (*statusptr != 'T') | |
150 | return sig; | |
151 | } | |
152 | while (sig != TARGET_SIGNAL_TRAP); | |
153 | ||
154 | return sig; | |
155 | } | |
156 | ||
c588c53c MS |
157 | /* Wait till we are at 1st instruction in program, return signal |
158 | number (assuming success). */ | |
0d62e5e8 | 159 | return mywait (statusptr, 0); |
c906108c SS |
160 | } |
161 | ||
45b7b345 | 162 | static int |
fc620387 | 163 | attach_inferior (int pid, char *statusptr, int *sigptr) |
45b7b345 DJ |
164 | { |
165 | /* myattach should return -1 if attaching is unsupported, | |
166 | 0 if it succeeded, and call error() otherwise. */ | |
a9fa9f7d | 167 | |
45b7b345 DJ |
168 | if (myattach (pid) != 0) |
169 | return -1; | |
170 | ||
2d717e4f DJ |
171 | attached = 1; |
172 | ||
6910d122 | 173 | fprintf (stderr, "Attached; pid = %d\n", pid); |
b80864fb | 174 | fflush (stderr); |
6910d122 | 175 | |
a9fa9f7d DJ |
176 | /* FIXME - It may be that we should get the SIGNAL_PID from the |
177 | attach function, so that it can be the main thread instead of | |
178 | whichever we were told to attach to. */ | |
179 | signal_pid = pid; | |
180 | ||
0d62e5e8 | 181 | *sigptr = mywait (statusptr, 0); |
45b7b345 | 182 | |
9db87ebd DJ |
183 | /* GDB knows to ignore the first SIGSTOP after attaching to a running |
184 | process using the "attach" command, but this is different; it's | |
185 | just using "target remote". Pretend it's just starting up. */ | |
b80864fb DJ |
186 | if (*statusptr == 'T' && *sigptr == TARGET_SIGNAL_STOP) |
187 | *sigptr = TARGET_SIGNAL_TRAP; | |
9db87ebd | 188 | |
45b7b345 DJ |
189 | return 0; |
190 | } | |
191 | ||
c906108c | 192 | extern int remote_debug; |
ce3a066d | 193 | |
0876f84a DJ |
194 | /* Decode a qXfer read request. Return 0 if everything looks OK, |
195 | or -1 otherwise. */ | |
196 | ||
197 | static int | |
198 | decode_xfer_read (char *buf, char **annex, CORE_ADDR *ofs, unsigned int *len) | |
199 | { | |
200 | /* Extract and NUL-terminate the annex. */ | |
201 | *annex = buf; | |
202 | while (*buf && *buf != ':') | |
203 | buf++; | |
204 | if (*buf == '\0') | |
205 | return -1; | |
206 | *buf++ = 0; | |
207 | ||
0e7f50da | 208 | /* After the read marker and annex, qXfer looks like a |
0876f84a DJ |
209 | traditional 'm' packet. */ |
210 | decode_m_packet (buf, ofs, len); | |
211 | ||
212 | return 0; | |
213 | } | |
214 | ||
215 | /* Write the response to a successful qXfer read. Returns the | |
216 | length of the (binary) data stored in BUF, corresponding | |
217 | to as much of DATA/LEN as we could fit. IS_MORE controls | |
218 | the first character of the response. */ | |
219 | static int | |
23181151 | 220 | write_qxfer_response (char *buf, const void *data, int len, int is_more) |
0876f84a DJ |
221 | { |
222 | int out_len; | |
223 | ||
224 | if (is_more) | |
225 | buf[0] = 'm'; | |
226 | else | |
227 | buf[0] = 'l'; | |
228 | ||
229 | return remote_escape_output (data, len, (unsigned char *) buf + 1, &out_len, | |
230 | PBUFSIZ - 2) + 1; | |
231 | } | |
232 | ||
89be2091 DJ |
233 | /* Handle all of the extended 'Q' packets. */ |
234 | void | |
235 | handle_general_set (char *own_buf) | |
236 | { | |
237 | if (strncmp ("QPassSignals:", own_buf, strlen ("QPassSignals:")) == 0) | |
238 | { | |
239 | int numsigs = (int) TARGET_SIGNAL_LAST, i; | |
240 | const char *p = own_buf + strlen ("QPassSignals:"); | |
241 | CORE_ADDR cursig; | |
242 | ||
243 | p = decode_address_to_semicolon (&cursig, p); | |
244 | for (i = 0; i < numsigs; i++) | |
245 | { | |
246 | if (i == cursig) | |
247 | { | |
248 | pass_signals[i] = 1; | |
249 | if (*p == '\0') | |
250 | /* Keep looping, to clear the remaining signals. */ | |
251 | cursig = -1; | |
252 | else | |
253 | p = decode_address_to_semicolon (&cursig, p); | |
254 | } | |
255 | else | |
256 | pass_signals[i] = 0; | |
257 | } | |
258 | strcpy (own_buf, "OK"); | |
259 | return; | |
260 | } | |
261 | ||
262 | /* Otherwise we didn't know what packet it was. Say we didn't | |
263 | understand it. */ | |
264 | own_buf[0] = 0; | |
265 | } | |
266 | ||
23181151 | 267 | static const char * |
fb1e4ffc | 268 | get_features_xml (const char *annex) |
23181151 | 269 | { |
9b4b61c8 UW |
270 | /* gdbserver_xmltarget defines what to return when looking |
271 | for the "target.xml" file. Its contents can either be | |
272 | verbatim XML code (prefixed with a '@') or else the name | |
273 | of the actual XML file to be used in place of "target.xml". | |
fb1e4ffc | 274 | |
9b4b61c8 UW |
275 | This variable is set up from the auto-generated |
276 | init_registers_... routine for the current target. */ | |
fb1e4ffc | 277 | |
9b4b61c8 | 278 | if (gdbserver_xmltarget |
221c031f | 279 | && strcmp (annex, "target.xml") == 0) |
23181151 | 280 | { |
9b4b61c8 UW |
281 | if (*gdbserver_xmltarget == '@') |
282 | return gdbserver_xmltarget + 1; | |
23181151 | 283 | else |
9b4b61c8 | 284 | annex = gdbserver_xmltarget; |
23181151 DJ |
285 | } |
286 | ||
9b4b61c8 UW |
287 | #ifdef USE_XML |
288 | { | |
289 | extern const char *const xml_builtin[][2]; | |
290 | int i; | |
291 | ||
292 | /* Look for the annex. */ | |
293 | for (i = 0; xml_builtin[i][0] != NULL; i++) | |
294 | if (strcmp (annex, xml_builtin[i][0]) == 0) | |
295 | break; | |
296 | ||
297 | if (xml_builtin[i][0] != NULL) | |
298 | return xml_builtin[i][1]; | |
299 | } | |
300 | #endif | |
301 | ||
302 | return NULL; | |
23181151 DJ |
303 | } |
304 | ||
c74d0ad8 DJ |
305 | void |
306 | monitor_show_help (void) | |
307 | { | |
308 | monitor_output ("The following monitor commands are supported:\n"); | |
309 | monitor_output (" set debug <0|1>\n"); | |
310 | monitor_output (" Enable general debugging messages\n"); | |
311 | monitor_output (" set remote-debug <0|1>\n"); | |
312 | monitor_output (" Enable remote protocol debugging messages\n"); | |
ecd7ecbc DJ |
313 | monitor_output (" exit\n"); |
314 | monitor_output (" Quit GDBserver\n"); | |
c74d0ad8 DJ |
315 | } |
316 | ||
08388c79 DE |
317 | /* Subroutine of handle_search_memory to simplify it. */ |
318 | ||
319 | static int | |
320 | handle_search_memory_1 (CORE_ADDR start_addr, CORE_ADDR search_space_len, | |
321 | gdb_byte *pattern, unsigned pattern_len, | |
322 | gdb_byte *search_buf, | |
323 | unsigned chunk_size, unsigned search_buf_size, | |
324 | CORE_ADDR *found_addrp) | |
325 | { | |
326 | /* Prime the search buffer. */ | |
327 | ||
328 | if (read_inferior_memory (start_addr, search_buf, search_buf_size) != 0) | |
329 | { | |
5e1471f5 | 330 | warning ("Unable to access target memory at 0x%lx, halting search.", |
08388c79 DE |
331 | (long) start_addr); |
332 | return -1; | |
333 | } | |
334 | ||
335 | /* Perform the search. | |
336 | ||
337 | The loop is kept simple by allocating [N + pattern-length - 1] bytes. | |
338 | When we've scanned N bytes we copy the trailing bytes to the start and | |
339 | read in another N bytes. */ | |
340 | ||
341 | while (search_space_len >= pattern_len) | |
342 | { | |
343 | gdb_byte *found_ptr; | |
344 | unsigned nr_search_bytes = (search_space_len < search_buf_size | |
345 | ? search_space_len | |
346 | : search_buf_size); | |
347 | ||
348 | found_ptr = memmem (search_buf, nr_search_bytes, pattern, pattern_len); | |
349 | ||
350 | if (found_ptr != NULL) | |
351 | { | |
352 | CORE_ADDR found_addr = start_addr + (found_ptr - search_buf); | |
353 | *found_addrp = found_addr; | |
354 | return 1; | |
355 | } | |
356 | ||
357 | /* Not found in this chunk, skip to next chunk. */ | |
358 | ||
359 | /* Don't let search_space_len wrap here, it's unsigned. */ | |
360 | if (search_space_len >= chunk_size) | |
361 | search_space_len -= chunk_size; | |
362 | else | |
363 | search_space_len = 0; | |
364 | ||
365 | if (search_space_len >= pattern_len) | |
366 | { | |
367 | unsigned keep_len = search_buf_size - chunk_size; | |
368 | CORE_ADDR read_addr = start_addr + keep_len; | |
369 | int nr_to_read; | |
370 | ||
371 | /* Copy the trailing part of the previous iteration to the front | |
372 | of the buffer for the next iteration. */ | |
373 | memcpy (search_buf, search_buf + chunk_size, keep_len); | |
374 | ||
375 | nr_to_read = (search_space_len - keep_len < chunk_size | |
376 | ? search_space_len - keep_len | |
377 | : chunk_size); | |
378 | ||
379 | if (read_inferior_memory (read_addr, search_buf + keep_len, | |
380 | nr_to_read) != 0) | |
381 | { | |
5e1471f5 | 382 | warning ("Unable to access target memory at 0x%lx, halting search.", |
08388c79 DE |
383 | (long) read_addr); |
384 | return -1; | |
385 | } | |
386 | ||
387 | start_addr += chunk_size; | |
388 | } | |
389 | } | |
390 | ||
391 | /* Not found. */ | |
392 | ||
393 | return 0; | |
394 | } | |
395 | ||
396 | /* Handle qSearch:memory packets. */ | |
397 | ||
398 | static void | |
399 | handle_search_memory (char *own_buf, int packet_len) | |
400 | { | |
401 | CORE_ADDR start_addr; | |
402 | CORE_ADDR search_space_len; | |
403 | gdb_byte *pattern; | |
404 | unsigned int pattern_len; | |
405 | /* NOTE: also defined in find.c testcase. */ | |
406 | #define SEARCH_CHUNK_SIZE 16000 | |
407 | const unsigned chunk_size = SEARCH_CHUNK_SIZE; | |
408 | /* Buffer to hold memory contents for searching. */ | |
409 | gdb_byte *search_buf; | |
410 | unsigned search_buf_size; | |
411 | int found; | |
412 | CORE_ADDR found_addr; | |
413 | int cmd_name_len = sizeof ("qSearch:memory:") - 1; | |
414 | ||
415 | pattern = malloc (packet_len); | |
416 | if (pattern == NULL) | |
417 | { | |
5e1471f5 | 418 | error ("Unable to allocate memory to perform the search"); |
08388c79 DE |
419 | strcpy (own_buf, "E00"); |
420 | return; | |
421 | } | |
422 | if (decode_search_memory_packet (own_buf + cmd_name_len, | |
423 | packet_len - cmd_name_len, | |
424 | &start_addr, &search_space_len, | |
425 | pattern, &pattern_len) < 0) | |
426 | { | |
427 | free (pattern); | |
5e1471f5 | 428 | error ("Error in parsing qSearch:memory packet"); |
08388c79 DE |
429 | strcpy (own_buf, "E00"); |
430 | return; | |
431 | } | |
432 | ||
433 | search_buf_size = chunk_size + pattern_len - 1; | |
434 | ||
435 | /* No point in trying to allocate a buffer larger than the search space. */ | |
436 | if (search_space_len < search_buf_size) | |
437 | search_buf_size = search_space_len; | |
438 | ||
439 | search_buf = malloc (search_buf_size); | |
440 | if (search_buf == NULL) | |
441 | { | |
442 | free (pattern); | |
5e1471f5 | 443 | error ("Unable to allocate memory to perform the search"); |
08388c79 DE |
444 | strcpy (own_buf, "E00"); |
445 | return; | |
446 | } | |
447 | ||
448 | found = handle_search_memory_1 (start_addr, search_space_len, | |
449 | pattern, pattern_len, | |
450 | search_buf, chunk_size, search_buf_size, | |
451 | &found_addr); | |
452 | ||
453 | if (found > 0) | |
454 | sprintf (own_buf, "1,%lx", (long) found_addr); | |
455 | else if (found == 0) | |
456 | strcpy (own_buf, "0"); | |
457 | else | |
458 | strcpy (own_buf, "E00"); | |
459 | ||
460 | free (search_buf); | |
461 | free (pattern); | |
462 | } | |
463 | ||
2d717e4f DJ |
464 | #define require_running(BUF) \ |
465 | if (!target_running ()) \ | |
466 | { \ | |
467 | write_enn (BUF); \ | |
468 | return; \ | |
469 | } | |
470 | ||
ce3a066d DJ |
471 | /* Handle all of the extended 'q' packets. */ |
472 | void | |
0e7f50da | 473 | handle_query (char *own_buf, int packet_len, int *new_packet_len_p) |
ce3a066d | 474 | { |
0d62e5e8 DJ |
475 | static struct inferior_list_entry *thread_ptr; |
476 | ||
bb63802a UW |
477 | /* Reply the current thread id. */ |
478 | if (strcmp ("qC", own_buf) == 0) | |
479 | { | |
2d717e4f | 480 | require_running (own_buf); |
bb63802a UW |
481 | thread_ptr = all_threads.head; |
482 | sprintf (own_buf, "QC%x", | |
483 | thread_to_gdb_id ((struct thread_info *)thread_ptr)); | |
484 | return; | |
485 | } | |
486 | ||
ce3a066d DJ |
487 | if (strcmp ("qSymbol::", own_buf) == 0) |
488 | { | |
2d717e4f | 489 | if (target_running () && the_target->look_up_symbols != NULL) |
2f2893d9 DJ |
490 | (*the_target->look_up_symbols) (); |
491 | ||
ce3a066d DJ |
492 | strcpy (own_buf, "OK"); |
493 | return; | |
494 | } | |
495 | ||
0d62e5e8 DJ |
496 | if (strcmp ("qfThreadInfo", own_buf) == 0) |
497 | { | |
2d717e4f | 498 | require_running (own_buf); |
0d62e5e8 | 499 | thread_ptr = all_threads.head; |
a06660f7 | 500 | sprintf (own_buf, "m%x", thread_to_gdb_id ((struct thread_info *)thread_ptr)); |
0d62e5e8 DJ |
501 | thread_ptr = thread_ptr->next; |
502 | return; | |
503 | } | |
aa691b87 | 504 | |
0d62e5e8 DJ |
505 | if (strcmp ("qsThreadInfo", own_buf) == 0) |
506 | { | |
2d717e4f | 507 | require_running (own_buf); |
0d62e5e8 DJ |
508 | if (thread_ptr != NULL) |
509 | { | |
a06660f7 | 510 | sprintf (own_buf, "m%x", thread_to_gdb_id ((struct thread_info *)thread_ptr)); |
0d62e5e8 DJ |
511 | thread_ptr = thread_ptr->next; |
512 | return; | |
513 | } | |
514 | else | |
515 | { | |
516 | sprintf (own_buf, "l"); | |
517 | return; | |
518 | } | |
519 | } | |
aa691b87 | 520 | |
52fb6437 NS |
521 | if (the_target->read_offsets != NULL |
522 | && strcmp ("qOffsets", own_buf) == 0) | |
523 | { | |
524 | CORE_ADDR text, data; | |
2d717e4f DJ |
525 | |
526 | require_running (own_buf); | |
52fb6437 NS |
527 | if (the_target->read_offsets (&text, &data)) |
528 | sprintf (own_buf, "Text=%lX;Data=%lX;Bss=%lX", | |
529 | (long)text, (long)data, (long)data); | |
530 | else | |
531 | write_enn (own_buf); | |
532 | ||
533 | return; | |
534 | } | |
535 | ||
0e7f50da UW |
536 | if (the_target->qxfer_spu != NULL |
537 | && strncmp ("qXfer:spu:read:", own_buf, 15) == 0) | |
538 | { | |
539 | char *annex; | |
540 | int n; | |
541 | unsigned int len; | |
542 | CORE_ADDR ofs; | |
543 | unsigned char *spu_buf; | |
544 | ||
2d717e4f | 545 | require_running (own_buf); |
0e7f50da UW |
546 | strcpy (own_buf, "E00"); |
547 | if (decode_xfer_read (own_buf + 15, &annex, &ofs, &len) < 0) | |
548 | return; | |
549 | if (len > PBUFSIZ - 2) | |
550 | len = PBUFSIZ - 2; | |
551 | spu_buf = malloc (len + 1); | |
552 | if (!spu_buf) | |
553 | return; | |
554 | ||
555 | n = (*the_target->qxfer_spu) (annex, spu_buf, NULL, ofs, len + 1); | |
556 | if (n < 0) | |
557 | write_enn (own_buf); | |
558 | else if (n > len) | |
559 | *new_packet_len_p = write_qxfer_response | |
560 | (own_buf, spu_buf, len, 1); | |
561 | else | |
562 | *new_packet_len_p = write_qxfer_response | |
563 | (own_buf, spu_buf, n, 0); | |
564 | ||
565 | free (spu_buf); | |
566 | return; | |
567 | } | |
568 | ||
569 | if (the_target->qxfer_spu != NULL | |
570 | && strncmp ("qXfer:spu:write:", own_buf, 16) == 0) | |
571 | { | |
572 | char *annex; | |
573 | int n; | |
574 | unsigned int len; | |
575 | CORE_ADDR ofs; | |
576 | unsigned char *spu_buf; | |
577 | ||
2d717e4f | 578 | require_running (own_buf); |
0e7f50da UW |
579 | strcpy (own_buf, "E00"); |
580 | spu_buf = malloc (packet_len - 15); | |
581 | if (!spu_buf) | |
582 | return; | |
583 | if (decode_xfer_write (own_buf + 16, packet_len - 16, &annex, | |
584 | &ofs, &len, spu_buf) < 0) | |
585 | { | |
586 | free (spu_buf); | |
587 | return; | |
588 | } | |
589 | ||
590 | n = (*the_target->qxfer_spu) | |
591 | (annex, NULL, (unsigned const char *)spu_buf, ofs, len); | |
592 | if (n < 0) | |
593 | write_enn (own_buf); | |
594 | else | |
595 | sprintf (own_buf, "%x", n); | |
596 | ||
597 | free (spu_buf); | |
598 | return; | |
599 | } | |
600 | ||
aa691b87 | 601 | if (the_target->read_auxv != NULL |
0876f84a | 602 | && strncmp ("qXfer:auxv:read:", own_buf, 16) == 0) |
aa691b87 | 603 | { |
0876f84a DJ |
604 | unsigned char *data; |
605 | int n; | |
aa691b87 RM |
606 | CORE_ADDR ofs; |
607 | unsigned int len; | |
0876f84a DJ |
608 | char *annex; |
609 | ||
2d717e4f DJ |
610 | require_running (own_buf); |
611 | ||
0876f84a DJ |
612 | /* Reject any annex; grab the offset and length. */ |
613 | if (decode_xfer_read (own_buf + 16, &annex, &ofs, &len) < 0 | |
614 | || annex[0] != '\0') | |
615 | { | |
616 | strcpy (own_buf, "E00"); | |
617 | return; | |
618 | } | |
619 | ||
620 | /* Read one extra byte, as an indicator of whether there is | |
621 | more. */ | |
622 | if (len > PBUFSIZ - 2) | |
623 | len = PBUFSIZ - 2; | |
624 | data = malloc (len + 1); | |
625 | n = (*the_target->read_auxv) (ofs, data, len + 1); | |
000ef4f0 DJ |
626 | if (n < 0) |
627 | write_enn (own_buf); | |
628 | else if (n > len) | |
0876f84a | 629 | *new_packet_len_p = write_qxfer_response (own_buf, data, len, 1); |
aa691b87 | 630 | else |
0876f84a DJ |
631 | *new_packet_len_p = write_qxfer_response (own_buf, data, n, 0); |
632 | ||
633 | free (data); | |
634 | ||
aa691b87 RM |
635 | return; |
636 | } | |
637 | ||
23181151 DJ |
638 | if (strncmp ("qXfer:features:read:", own_buf, 20) == 0) |
639 | { | |
640 | CORE_ADDR ofs; | |
641 | unsigned int len, total_len; | |
642 | const char *document; | |
643 | char *annex; | |
644 | ||
2d717e4f DJ |
645 | require_running (own_buf); |
646 | ||
fb1e4ffc DJ |
647 | /* Grab the annex, offset, and length. */ |
648 | if (decode_xfer_read (own_buf + 20, &annex, &ofs, &len) < 0) | |
649 | { | |
650 | strcpy (own_buf, "E00"); | |
651 | return; | |
652 | } | |
653 | ||
654 | /* Now grab the correct annex. */ | |
655 | document = get_features_xml (annex); | |
656 | if (document == NULL) | |
23181151 DJ |
657 | { |
658 | strcpy (own_buf, "E00"); | |
659 | return; | |
660 | } | |
661 | ||
662 | total_len = strlen (document); | |
663 | if (len > PBUFSIZ - 2) | |
664 | len = PBUFSIZ - 2; | |
665 | ||
666 | if (ofs > total_len) | |
667 | write_enn (own_buf); | |
668 | else if (len < total_len - ofs) | |
669 | *new_packet_len_p = write_qxfer_response (own_buf, document + ofs, | |
670 | len, 1); | |
671 | else | |
672 | *new_packet_len_p = write_qxfer_response (own_buf, document + ofs, | |
673 | total_len - ofs, 0); | |
674 | ||
675 | return; | |
676 | } | |
677 | ||
255e7678 DJ |
678 | if (strncmp ("qXfer:libraries:read:", own_buf, 21) == 0) |
679 | { | |
680 | CORE_ADDR ofs; | |
681 | unsigned int len, total_len; | |
682 | char *document, *p; | |
683 | struct inferior_list_entry *dll_ptr; | |
684 | char *annex; | |
685 | ||
2d717e4f DJ |
686 | require_running (own_buf); |
687 | ||
255e7678 DJ |
688 | /* Reject any annex; grab the offset and length. */ |
689 | if (decode_xfer_read (own_buf + 21, &annex, &ofs, &len) < 0 | |
690 | || annex[0] != '\0') | |
691 | { | |
692 | strcpy (own_buf, "E00"); | |
693 | return; | |
694 | } | |
695 | ||
696 | /* Over-estimate the necessary memory. Assume that every character | |
697 | in the library name must be escaped. */ | |
698 | total_len = 64; | |
699 | for (dll_ptr = all_dlls.head; dll_ptr != NULL; dll_ptr = dll_ptr->next) | |
700 | total_len += 128 + 6 * strlen (((struct dll_info *) dll_ptr)->name); | |
701 | ||
702 | document = malloc (total_len); | |
703 | strcpy (document, "<library-list>\n"); | |
704 | p = document + strlen (document); | |
705 | ||
706 | for (dll_ptr = all_dlls.head; dll_ptr != NULL; dll_ptr = dll_ptr->next) | |
707 | { | |
708 | struct dll_info *dll = (struct dll_info *) dll_ptr; | |
709 | char *name; | |
710 | ||
711 | strcpy (p, " <library name=\""); | |
712 | p = p + strlen (p); | |
713 | name = xml_escape_text (dll->name); | |
714 | strcpy (p, name); | |
715 | free (name); | |
716 | p = p + strlen (p); | |
717 | strcpy (p, "\"><segment address=\""); | |
718 | p = p + strlen (p); | |
719 | sprintf (p, "0x%lx", (long) dll->base_addr); | |
720 | p = p + strlen (p); | |
721 | strcpy (p, "\"/></library>\n"); | |
722 | p = p + strlen (p); | |
723 | } | |
724 | ||
725 | strcpy (p, "</library-list>\n"); | |
726 | ||
727 | total_len = strlen (document); | |
728 | if (len > PBUFSIZ - 2) | |
729 | len = PBUFSIZ - 2; | |
730 | ||
731 | if (ofs > total_len) | |
732 | write_enn (own_buf); | |
733 | else if (len < total_len - ofs) | |
734 | *new_packet_len_p = write_qxfer_response (own_buf, document + ofs, | |
735 | len, 1); | |
736 | else | |
737 | *new_packet_len_p = write_qxfer_response (own_buf, document + ofs, | |
738 | total_len - ofs, 0); | |
739 | ||
740 | free (document); | |
741 | return; | |
742 | } | |
743 | ||
be2a5f71 DJ |
744 | /* Protocol features query. */ |
745 | if (strncmp ("qSupported", own_buf, 10) == 0 | |
746 | && (own_buf[10] == ':' || own_buf[10] == '\0')) | |
747 | { | |
89be2091 | 748 | sprintf (own_buf, "PacketSize=%x;QPassSignals+", PBUFSIZ - 1); |
0876f84a | 749 | |
255e7678 DJ |
750 | /* We do not have any hook to indicate whether the target backend |
751 | supports qXfer:libraries:read, so always report it. */ | |
752 | strcat (own_buf, ";qXfer:libraries:read+"); | |
753 | ||
0876f84a | 754 | if (the_target->read_auxv != NULL) |
9f2e1e63 | 755 | strcat (own_buf, ";qXfer:auxv:read+"); |
2d717e4f | 756 | |
0e7f50da UW |
757 | if (the_target->qxfer_spu != NULL) |
758 | strcat (own_buf, ";qXfer:spu:read+;qXfer:spu:write+"); | |
0876f84a | 759 | |
221c031f UW |
760 | /* We always report qXfer:features:read, as targets may |
761 | install XML files on a subsequent call to arch_setup. | |
762 | If we reported to GDB on startup that we don't support | |
763 | qXfer:feature:read at all, we will never be re-queried. */ | |
764 | strcat (own_buf, ";qXfer:features:read+"); | |
23181151 | 765 | |
be2a5f71 DJ |
766 | return; |
767 | } | |
768 | ||
dae5f5cf DJ |
769 | /* Thread-local storage support. */ |
770 | if (the_target->get_tls_address != NULL | |
771 | && strncmp ("qGetTLSAddr:", own_buf, 12) == 0) | |
772 | { | |
773 | char *p = own_buf + 12; | |
774 | CORE_ADDR parts[3], address = 0; | |
775 | int i, err; | |
776 | ||
2d717e4f DJ |
777 | require_running (own_buf); |
778 | ||
dae5f5cf DJ |
779 | for (i = 0; i < 3; i++) |
780 | { | |
781 | char *p2; | |
782 | int len; | |
783 | ||
784 | if (p == NULL) | |
785 | break; | |
786 | ||
787 | p2 = strchr (p, ','); | |
788 | if (p2) | |
789 | { | |
790 | len = p2 - p; | |
791 | p2++; | |
792 | } | |
793 | else | |
794 | { | |
795 | len = strlen (p); | |
796 | p2 = NULL; | |
797 | } | |
798 | ||
799 | decode_address (&parts[i], p, len); | |
800 | p = p2; | |
801 | } | |
802 | ||
803 | if (p != NULL || i < 3) | |
804 | err = 1; | |
805 | else | |
806 | { | |
807 | struct thread_info *thread = gdb_id_to_thread (parts[0]); | |
808 | ||
809 | if (thread == NULL) | |
810 | err = 2; | |
811 | else | |
812 | err = the_target->get_tls_address (thread, parts[1], parts[2], | |
813 | &address); | |
814 | } | |
815 | ||
816 | if (err == 0) | |
817 | { | |
818 | sprintf (own_buf, "%llx", address); | |
819 | return; | |
820 | } | |
821 | else if (err > 0) | |
822 | { | |
823 | write_enn (own_buf); | |
824 | return; | |
825 | } | |
826 | ||
827 | /* Otherwise, pretend we do not understand this packet. */ | |
828 | } | |
829 | ||
c74d0ad8 DJ |
830 | /* Handle "monitor" commands. */ |
831 | if (strncmp ("qRcmd,", own_buf, 6) == 0) | |
832 | { | |
833 | char *mon = malloc (PBUFSIZ); | |
834 | int len = strlen (own_buf + 6); | |
835 | ||
d41b6bb4 | 836 | if ((len % 2) != 0 || unhexify (mon, own_buf + 6, len / 2) != len / 2) |
c74d0ad8 DJ |
837 | { |
838 | write_enn (own_buf); | |
839 | free (mon); | |
840 | return; | |
841 | } | |
842 | mon[len / 2] = '\0'; | |
843 | ||
844 | write_ok (own_buf); | |
845 | ||
846 | if (strcmp (mon, "set debug 1") == 0) | |
847 | { | |
848 | debug_threads = 1; | |
849 | monitor_output ("Debug output enabled.\n"); | |
850 | } | |
851 | else if (strcmp (mon, "set debug 0") == 0) | |
852 | { | |
853 | debug_threads = 0; | |
854 | monitor_output ("Debug output disabled.\n"); | |
855 | } | |
856 | else if (strcmp (mon, "set remote-debug 1") == 0) | |
857 | { | |
858 | remote_debug = 1; | |
859 | monitor_output ("Protocol debug output enabled.\n"); | |
860 | } | |
861 | else if (strcmp (mon, "set remote-debug 0") == 0) | |
862 | { | |
863 | remote_debug = 0; | |
864 | monitor_output ("Protocol debug output disabled.\n"); | |
865 | } | |
866 | else if (strcmp (mon, "help") == 0) | |
867 | monitor_show_help (); | |
2d717e4f DJ |
868 | else if (strcmp (mon, "exit") == 0) |
869 | exit_requested = 1; | |
c74d0ad8 DJ |
870 | else |
871 | { | |
872 | monitor_output ("Unknown monitor command.\n\n"); | |
873 | monitor_show_help (); | |
874 | write_enn (own_buf); | |
875 | } | |
876 | ||
877 | free (mon); | |
878 | return; | |
879 | } | |
880 | ||
08388c79 DE |
881 | if (strncmp ("qSearch:memory:", own_buf, sizeof ("qSearch:memory:") - 1) == 0) |
882 | { | |
883 | require_running (own_buf); | |
884 | handle_search_memory (own_buf, packet_len); | |
885 | return; | |
886 | } | |
887 | ||
ce3a066d DJ |
888 | /* Otherwise we didn't know what packet it was. Say we didn't |
889 | understand it. */ | |
890 | own_buf[0] = 0; | |
891 | } | |
892 | ||
64386c31 DJ |
893 | /* Parse vCont packets. */ |
894 | void | |
fc620387 | 895 | handle_v_cont (char *own_buf, char *status, int *signal) |
64386c31 DJ |
896 | { |
897 | char *p, *q; | |
898 | int n = 0, i = 0; | |
899 | struct thread_resume *resume_info, default_action; | |
900 | ||
901 | /* Count the number of semicolons in the packet. There should be one | |
902 | for every action. */ | |
903 | p = &own_buf[5]; | |
904 | while (p) | |
905 | { | |
906 | n++; | |
907 | p++; | |
908 | p = strchr (p, ';'); | |
909 | } | |
910 | /* Allocate room for one extra action, for the default remain-stopped | |
911 | behavior; if no default action is in the list, we'll need the extra | |
912 | slot. */ | |
913 | resume_info = malloc ((n + 1) * sizeof (resume_info[0])); | |
914 | ||
915 | default_action.thread = -1; | |
916 | default_action.leave_stopped = 1; | |
917 | default_action.step = 0; | |
918 | default_action.sig = 0; | |
919 | ||
920 | p = &own_buf[5]; | |
921 | i = 0; | |
922 | while (*p) | |
923 | { | |
924 | p++; | |
925 | ||
926 | resume_info[i].leave_stopped = 0; | |
927 | ||
928 | if (p[0] == 's' || p[0] == 'S') | |
929 | resume_info[i].step = 1; | |
930 | else if (p[0] == 'c' || p[0] == 'C') | |
931 | resume_info[i].step = 0; | |
932 | else | |
933 | goto err; | |
934 | ||
935 | if (p[0] == 'S' || p[0] == 'C') | |
936 | { | |
937 | int sig; | |
938 | sig = strtol (p + 1, &q, 16); | |
939 | if (p == q) | |
940 | goto err; | |
941 | p = q; | |
942 | ||
943 | if (!target_signal_to_host_p (sig)) | |
944 | goto err; | |
945 | resume_info[i].sig = target_signal_to_host (sig); | |
946 | } | |
947 | else | |
948 | { | |
949 | resume_info[i].sig = 0; | |
950 | p = p + 1; | |
951 | } | |
952 | ||
953 | if (p[0] == 0) | |
954 | { | |
955 | resume_info[i].thread = -1; | |
956 | default_action = resume_info[i]; | |
957 | ||
958 | /* Note: we don't increment i here, we'll overwrite this entry | |
959 | the next time through. */ | |
960 | } | |
961 | else if (p[0] == ':') | |
962 | { | |
a06660f7 DJ |
963 | unsigned int gdb_id = strtoul (p + 1, &q, 16); |
964 | unsigned long thread_id; | |
965 | ||
64386c31 DJ |
966 | if (p == q) |
967 | goto err; | |
968 | p = q; | |
969 | if (p[0] != ';' && p[0] != 0) | |
970 | goto err; | |
971 | ||
a06660f7 DJ |
972 | thread_id = gdb_id_to_thread_id (gdb_id); |
973 | if (thread_id) | |
974 | resume_info[i].thread = thread_id; | |
975 | else | |
976 | goto err; | |
977 | ||
64386c31 DJ |
978 | i++; |
979 | } | |
980 | } | |
981 | ||
982 | resume_info[i] = default_action; | |
983 | ||
984 | /* Still used in occasional places in the backend. */ | |
985 | if (n == 1 && resume_info[0].thread != -1) | |
986 | cont_thread = resume_info[0].thread; | |
987 | else | |
988 | cont_thread = -1; | |
dc3f8883 | 989 | set_desired_inferior (0); |
64386c31 | 990 | |
a20d5e98 | 991 | enable_async_io (); |
64386c31 DJ |
992 | (*the_target->resume) (resume_info); |
993 | ||
994 | free (resume_info); | |
995 | ||
996 | *signal = mywait (status, 1); | |
997 | prepare_resume_reply (own_buf, *status, *signal); | |
a20d5e98 | 998 | disable_async_io (); |
64386c31 DJ |
999 | return; |
1000 | ||
1001 | err: | |
255e7678 | 1002 | write_enn (own_buf); |
64386c31 DJ |
1003 | free (resume_info); |
1004 | return; | |
1005 | } | |
1006 | ||
2d717e4f DJ |
1007 | /* Attach to a new program. Return 1 if successful, 0 if failure. */ |
1008 | int | |
1009 | handle_v_attach (char *own_buf, char *status, int *signal) | |
1010 | { | |
1011 | int pid; | |
1012 | ||
1013 | pid = strtol (own_buf + 8, NULL, 16); | |
1014 | if (pid != 0 && attach_inferior (pid, status, signal) == 0) | |
1015 | { | |
1016 | prepare_resume_reply (own_buf, *status, *signal); | |
1017 | return 1; | |
1018 | } | |
1019 | else | |
1020 | { | |
1021 | write_enn (own_buf); | |
1022 | return 0; | |
1023 | } | |
1024 | } | |
1025 | ||
1026 | /* Run a new program. Return 1 if successful, 0 if failure. */ | |
1027 | static int | |
1028 | handle_v_run (char *own_buf, char *status, int *signal) | |
1029 | { | |
1030 | char *p, **pp, *next_p, **new_argv; | |
1031 | int i, new_argc; | |
1032 | ||
1033 | new_argc = 0; | |
1034 | for (p = own_buf + strlen ("vRun;"); p && *p; p = strchr (p, ';')) | |
1035 | { | |
1036 | p++; | |
1037 | new_argc++; | |
1038 | } | |
1039 | ||
1040 | new_argv = malloc ((new_argc + 2) * sizeof (char *)); | |
1041 | i = 0; | |
1042 | for (p = own_buf + strlen ("vRun;"); *p; p = next_p) | |
1043 | { | |
1044 | next_p = strchr (p, ';'); | |
1045 | if (next_p == NULL) | |
1046 | next_p = p + strlen (p); | |
1047 | ||
1048 | if (i == 0 && p == next_p) | |
1049 | new_argv[i] = NULL; | |
1050 | else | |
1051 | { | |
1052 | new_argv[i] = malloc (1 + (next_p - p) / 2); | |
1053 | unhexify (new_argv[i], p, (next_p - p) / 2); | |
1054 | new_argv[i][(next_p - p) / 2] = '\0'; | |
1055 | } | |
1056 | ||
1057 | if (*next_p) | |
1058 | next_p++; | |
1059 | i++; | |
1060 | } | |
1061 | new_argv[i] = NULL; | |
1062 | ||
1063 | if (new_argv[0] == NULL) | |
1064 | { | |
1065 | if (program_argv == NULL) | |
1066 | { | |
1067 | write_enn (own_buf); | |
1068 | return 0; | |
1069 | } | |
1070 | ||
1071 | new_argv[0] = strdup (program_argv[0]); | |
1072 | } | |
1073 | ||
1074 | /* Free the old argv. */ | |
1075 | if (program_argv) | |
1076 | { | |
1077 | for (pp = program_argv; *pp != NULL; pp++) | |
1078 | free (*pp); | |
1079 | free (program_argv); | |
1080 | } | |
1081 | program_argv = new_argv; | |
1082 | ||
1083 | *signal = start_inferior (program_argv, status); | |
1084 | if (*status == 'T') | |
1085 | { | |
1086 | prepare_resume_reply (own_buf, *status, *signal); | |
1087 | return 1; | |
1088 | } | |
1089 | else | |
1090 | { | |
1091 | write_enn (own_buf); | |
1092 | return 0; | |
1093 | } | |
1094 | } | |
1095 | ||
64386c31 DJ |
1096 | /* Handle all of the extended 'v' packets. */ |
1097 | void | |
a6b151f1 DJ |
1098 | handle_v_requests (char *own_buf, char *status, int *signal, |
1099 | int packet_len, int *new_packet_len) | |
64386c31 DJ |
1100 | { |
1101 | if (strncmp (own_buf, "vCont;", 6) == 0) | |
1102 | { | |
2d717e4f | 1103 | require_running (own_buf); |
64386c31 DJ |
1104 | handle_v_cont (own_buf, status, signal); |
1105 | return; | |
1106 | } | |
1107 | ||
1108 | if (strncmp (own_buf, "vCont?", 6) == 0) | |
1109 | { | |
1110 | strcpy (own_buf, "vCont;c;C;s;S"); | |
1111 | return; | |
1112 | } | |
1113 | ||
a6b151f1 DJ |
1114 | if (strncmp (own_buf, "vFile:", 6) == 0 |
1115 | && handle_vFile (own_buf, packet_len, new_packet_len)) | |
1116 | return; | |
1117 | ||
2d717e4f DJ |
1118 | if (strncmp (own_buf, "vAttach;", 8) == 0) |
1119 | { | |
1120 | if (target_running ()) | |
1121 | { | |
fd96d250 PA |
1122 | fprintf (stderr, "Already debugging a process\n"); |
1123 | write_enn (own_buf); | |
1124 | return; | |
2d717e4f DJ |
1125 | } |
1126 | handle_v_attach (own_buf, status, signal); | |
1127 | return; | |
1128 | } | |
1129 | ||
1130 | if (strncmp (own_buf, "vRun;", 5) == 0) | |
1131 | { | |
1132 | if (target_running ()) | |
1133 | { | |
fd96d250 PA |
1134 | fprintf (stderr, "Already debugging a process\n"); |
1135 | write_enn (own_buf); | |
1136 | return; | |
2d717e4f DJ |
1137 | } |
1138 | handle_v_run (own_buf, status, signal); | |
1139 | return; | |
1140 | } | |
1141 | ||
64386c31 DJ |
1142 | /* Otherwise we didn't know what packet it was. Say we didn't |
1143 | understand it. */ | |
1144 | own_buf[0] = 0; | |
1145 | return; | |
1146 | } | |
1147 | ||
1148 | void | |
27524b67 | 1149 | myresume (char *own_buf, int step, int *signalp, char *statusp) |
64386c31 DJ |
1150 | { |
1151 | struct thread_resume resume_info[2]; | |
1152 | int n = 0; | |
a20d5e98 DJ |
1153 | int sig = *signalp; |
1154 | ||
1155 | set_desired_inferior (0); | |
64386c31 | 1156 | |
d592fa2f | 1157 | if (step || sig || (cont_thread != 0 && cont_thread != -1)) |
64386c31 DJ |
1158 | { |
1159 | resume_info[0].thread | |
1160 | = ((struct inferior_list_entry *) current_inferior)->id; | |
1161 | resume_info[0].step = step; | |
1162 | resume_info[0].sig = sig; | |
1163 | resume_info[0].leave_stopped = 0; | |
1164 | n++; | |
1165 | } | |
1166 | resume_info[n].thread = -1; | |
1167 | resume_info[n].step = 0; | |
1168 | resume_info[n].sig = 0; | |
d592fa2f | 1169 | resume_info[n].leave_stopped = (cont_thread != 0 && cont_thread != -1); |
64386c31 | 1170 | |
a20d5e98 | 1171 | enable_async_io (); |
64386c31 | 1172 | (*the_target->resume) (resume_info); |
a20d5e98 DJ |
1173 | *signalp = mywait (statusp, 1); |
1174 | prepare_resume_reply (own_buf, *statusp, *signalp); | |
1175 | disable_async_io (); | |
64386c31 DJ |
1176 | } |
1177 | ||
dd24457d DJ |
1178 | static void |
1179 | gdbserver_version (void) | |
1180 | { | |
c16158bc | 1181 | printf ("GNU gdbserver %s%s\n" |
255e7678 | 1182 | "Copyright (C) 2007 Free Software Foundation, Inc.\n" |
dd24457d DJ |
1183 | "gdbserver is free software, covered by the GNU General Public License.\n" |
1184 | "This gdbserver was configured as \"%s\"\n", | |
c16158bc | 1185 | PKGVERSION, version, host_name); |
dd24457d DJ |
1186 | } |
1187 | ||
0bc68c49 | 1188 | static void |
c16158bc | 1189 | gdbserver_usage (FILE *stream) |
0bc68c49 | 1190 | { |
c16158bc JM |
1191 | fprintf (stream, "Usage:\tgdbserver [OPTIONS] COMM PROG [ARGS ...]\n" |
1192 | "\tgdbserver [OPTIONS] --attach COMM PID\n" | |
1193 | "\tgdbserver [OPTIONS] --multi COMM\n" | |
1194 | "\n" | |
1195 | "COMM may either be a tty device (for serial debugging), or \n" | |
1196 | "HOST:PORT to listen for a TCP connection.\n" | |
1197 | "\n" | |
1198 | "Options:\n" | |
1199 | " --debug\t\tEnable debugging output.\n" | |
1200 | " --wrapper WRAPPER --\tRun WRAPPER to start new programs.\n"); | |
1201 | if (REPORT_BUGS_TO[0] && stream == stdout) | |
1202 | fprintf (stream, "Report bugs to \"%s\".\n", REPORT_BUGS_TO); | |
0bc68c49 DJ |
1203 | } |
1204 | ||
2d717e4f DJ |
1205 | #undef require_running |
1206 | #define require_running(BUF) \ | |
1207 | if (!target_running ()) \ | |
1208 | { \ | |
1209 | write_enn (BUF); \ | |
1210 | break; \ | |
1211 | } | |
1212 | ||
c906108c | 1213 | int |
da85418c | 1214 | main (int argc, char *argv[]) |
c906108c | 1215 | { |
f450004a | 1216 | char ch, status, *own_buf; |
7fb85e41 | 1217 | unsigned char *mem_buf; |
c906108c | 1218 | int i = 0; |
fc620387 | 1219 | int signal; |
c906108c SS |
1220 | unsigned int len; |
1221 | CORE_ADDR mem_addr; | |
0729219d DJ |
1222 | int bad_attach; |
1223 | int pid; | |
2d717e4f DJ |
1224 | char *arg_end, *port; |
1225 | char **next_arg = &argv[1]; | |
1226 | int multi_mode = 0; | |
1227 | int attach = 0; | |
1228 | int was_running; | |
c906108c | 1229 | |
2d717e4f | 1230 | while (*next_arg != NULL && **next_arg == '-') |
dd24457d | 1231 | { |
2d717e4f DJ |
1232 | if (strcmp (*next_arg, "--version") == 0) |
1233 | { | |
1234 | gdbserver_version (); | |
1235 | exit (0); | |
1236 | } | |
1237 | else if (strcmp (*next_arg, "--help") == 0) | |
1238 | { | |
c16158bc | 1239 | gdbserver_usage (stdout); |
2d717e4f DJ |
1240 | exit (0); |
1241 | } | |
1242 | else if (strcmp (*next_arg, "--attach") == 0) | |
1243 | attach = 1; | |
1244 | else if (strcmp (*next_arg, "--multi") == 0) | |
1245 | multi_mode = 1; | |
ccd213ac DJ |
1246 | else if (strcmp (*next_arg, "--wrapper") == 0) |
1247 | { | |
1248 | next_arg++; | |
1249 | ||
1250 | wrapper_argv = next_arg; | |
1251 | while (*next_arg != NULL && strcmp (*next_arg, "--") != 0) | |
1252 | next_arg++; | |
1253 | ||
1254 | if (next_arg == wrapper_argv || *next_arg == NULL) | |
1255 | { | |
c16158bc | 1256 | gdbserver_usage (stderr); |
ccd213ac DJ |
1257 | exit (1); |
1258 | } | |
1259 | ||
1260 | /* Consume the "--". */ | |
1261 | *next_arg = NULL; | |
1262 | } | |
2d717e4f DJ |
1263 | else if (strcmp (*next_arg, "--debug") == 0) |
1264 | debug_threads = 1; | |
1265 | else | |
1266 | { | |
1267 | fprintf (stderr, "Unknown argument: %s\n", *next_arg); | |
1268 | exit (1); | |
1269 | } | |
dd24457d | 1270 | |
2d717e4f DJ |
1271 | next_arg++; |
1272 | continue; | |
dd24457d DJ |
1273 | } |
1274 | ||
c5aa993b | 1275 | if (setjmp (toplevel)) |
c906108c | 1276 | { |
c5aa993b JM |
1277 | fprintf (stderr, "Exiting\n"); |
1278 | exit (1); | |
c906108c SS |
1279 | } |
1280 | ||
2d717e4f DJ |
1281 | port = *next_arg; |
1282 | next_arg++; | |
1283 | if (port == NULL || (!attach && !multi_mode && *next_arg == NULL)) | |
1284 | { | |
c16158bc | 1285 | gdbserver_usage (stderr); |
2d717e4f DJ |
1286 | exit (1); |
1287 | } | |
1288 | ||
0729219d DJ |
1289 | bad_attach = 0; |
1290 | pid = 0; | |
2d717e4f DJ |
1291 | |
1292 | /* --attach used to come after PORT, so allow it there for | |
1293 | compatibility. */ | |
1294 | if (*next_arg != NULL && strcmp (*next_arg, "--attach") == 0) | |
45b7b345 | 1295 | { |
2d717e4f DJ |
1296 | attach = 1; |
1297 | next_arg++; | |
45b7b345 DJ |
1298 | } |
1299 | ||
2d717e4f DJ |
1300 | if (attach |
1301 | && (*next_arg == NULL | |
1302 | || (*next_arg)[0] == '\0' | |
1303 | || (pid = strtoul (*next_arg, &arg_end, 0)) == 0 | |
1304 | || *arg_end != '\0' | |
1305 | || next_arg[1] != NULL)) | |
1306 | bad_attach = 1; | |
1307 | ||
1308 | if (bad_attach) | |
dd24457d | 1309 | { |
c16158bc | 1310 | gdbserver_usage (stderr); |
dd24457d DJ |
1311 | exit (1); |
1312 | } | |
c906108c | 1313 | |
a20d5e98 | 1314 | initialize_async_io (); |
4ce44c66 JM |
1315 | initialize_low (); |
1316 | ||
255e7678 | 1317 | own_buf = malloc (PBUFSIZ + 1); |
7fb85e41 | 1318 | mem_buf = malloc (PBUFSIZ); |
0a30fbc4 | 1319 | |
2d717e4f | 1320 | if (pid == 0 && *next_arg != NULL) |
45b7b345 | 1321 | { |
2d717e4f DJ |
1322 | int i, n; |
1323 | ||
1324 | n = argc - (next_arg - argv); | |
1325 | program_argv = malloc (sizeof (char *) * (n + 1)); | |
1326 | for (i = 0; i < n; i++) | |
1327 | program_argv[i] = strdup (next_arg[i]); | |
1328 | program_argv[i] = NULL; | |
1329 | ||
45b7b345 | 1330 | /* Wait till we are at first instruction in program. */ |
2d717e4f | 1331 | signal = start_inferior (program_argv, &status); |
c906108c | 1332 | |
c588c53c MS |
1333 | /* We are now (hopefully) stopped at the first instruction of |
1334 | the target process. This assumes that the target process was | |
1335 | successfully created. */ | |
45b7b345 | 1336 | } |
2d717e4f DJ |
1337 | else if (pid != 0) |
1338 | { | |
1339 | if (attach_inferior (pid, &status, &signal) == -1) | |
1340 | error ("Attaching not supported on this target"); | |
1341 | ||
1342 | /* Otherwise succeeded. */ | |
1343 | } | |
45b7b345 DJ |
1344 | else |
1345 | { | |
2d717e4f DJ |
1346 | status = 'W'; |
1347 | signal = 0; | |
45b7b345 | 1348 | } |
c906108c | 1349 | |
311de423 PA |
1350 | /* Don't report shared library events on the initial connection, |
1351 | even if some libraries are preloaded. Avoids the "stopped by | |
1352 | shared library event" notice on gdb side. */ | |
1353 | dlls_changed = 0; | |
1354 | ||
8264bb58 DJ |
1355 | if (setjmp (toplevel)) |
1356 | { | |
1357 | fprintf (stderr, "Killing inferior\n"); | |
1358 | kill_inferior (); | |
1359 | exit (1); | |
1360 | } | |
1361 | ||
c588c53c | 1362 | if (status == 'W' || status == 'X') |
2d717e4f DJ |
1363 | was_running = 0; |
1364 | else | |
1365 | was_running = 1; | |
1366 | ||
1367 | if (!was_running && !multi_mode) | |
c588c53c | 1368 | { |
2d717e4f | 1369 | fprintf (stderr, "No program to debug. GDBserver exiting.\n"); |
c588c53c MS |
1370 | exit (1); |
1371 | } | |
1372 | ||
c906108c SS |
1373 | while (1) |
1374 | { | |
2d717e4f | 1375 | remote_open (port); |
c906108c | 1376 | |
c5aa993b | 1377 | restart: |
2d717e4f DJ |
1378 | if (setjmp (toplevel) != 0) |
1379 | { | |
1380 | /* An error occurred. */ | |
1381 | if (response_needed) | |
1382 | { | |
1383 | write_enn (own_buf); | |
1384 | putpkt (own_buf); | |
1385 | } | |
1386 | } | |
1387 | ||
a20d5e98 | 1388 | disable_async_io (); |
2d717e4f | 1389 | while (!exit_requested) |
c906108c SS |
1390 | { |
1391 | unsigned char sig; | |
01f9e8fa DJ |
1392 | int packet_len; |
1393 | int new_packet_len = -1; | |
1394 | ||
2d717e4f | 1395 | response_needed = 0; |
01f9e8fa DJ |
1396 | packet_len = getpkt (own_buf); |
1397 | if (packet_len <= 0) | |
1398 | break; | |
2d717e4f | 1399 | response_needed = 1; |
01f9e8fa | 1400 | |
c906108c SS |
1401 | i = 0; |
1402 | ch = own_buf[i++]; | |
1403 | switch (ch) | |
1404 | { | |
ce3a066d | 1405 | case 'q': |
0e7f50da | 1406 | handle_query (own_buf, packet_len, &new_packet_len); |
ce3a066d | 1407 | break; |
89be2091 DJ |
1408 | case 'Q': |
1409 | handle_general_set (own_buf); | |
1410 | break; | |
6ad8ae5c | 1411 | case 'D': |
2d717e4f | 1412 | require_running (own_buf); |
6ad8ae5c | 1413 | fprintf (stderr, "Detaching from inferior\n"); |
444d6139 | 1414 | if (detach_inferior () != 0) |
2d717e4f | 1415 | write_enn (own_buf); |
444d6139 PA |
1416 | else |
1417 | { | |
1418 | write_ok (own_buf); | |
6ad8ae5c | 1419 | |
2d717e4f DJ |
1420 | if (extended_protocol) |
1421 | { | |
1422 | /* Treat this like a normal program exit. */ | |
1423 | signal = 0; | |
1424 | status = 'W'; | |
1425 | } | |
1426 | else | |
1427 | { | |
1428 | putpkt (own_buf); | |
1429 | remote_close (); | |
6ad8ae5c | 1430 | |
2d717e4f DJ |
1431 | /* If we are attached, then we can exit. Otherwise, we |
1432 | need to hang around doing nothing, until the child | |
1433 | is gone. */ | |
1434 | if (!attached) | |
1435 | join_inferior (); | |
1436 | ||
1437 | exit (0); | |
1438 | } | |
444d6139 | 1439 | } |
2d717e4f | 1440 | break; |
c906108c | 1441 | case '!': |
2d717e4f DJ |
1442 | extended_protocol = 1; |
1443 | write_ok (own_buf); | |
c906108c SS |
1444 | break; |
1445 | case '?': | |
1446 | prepare_resume_reply (own_buf, status, signal); | |
1447 | break; | |
1448 | case 'H': | |
a06660f7 | 1449 | if (own_buf[1] == 'c' || own_buf[1] == 'g' || own_buf[1] == 's') |
c906108c | 1450 | { |
a06660f7 DJ |
1451 | unsigned long gdb_id, thread_id; |
1452 | ||
2d717e4f | 1453 | require_running (own_buf); |
a06660f7 | 1454 | gdb_id = strtoul (&own_buf[2], NULL, 16); |
2d717e4f DJ |
1455 | if (gdb_id == 0 || gdb_id == -1) |
1456 | thread_id = gdb_id; | |
1457 | else | |
a06660f7 | 1458 | { |
2d717e4f DJ |
1459 | thread_id = gdb_id_to_thread_id (gdb_id); |
1460 | if (thread_id == 0) | |
1461 | { | |
1462 | write_enn (own_buf); | |
1463 | break; | |
1464 | } | |
a06660f7 DJ |
1465 | } |
1466 | ||
1467 | if (own_buf[1] == 'g') | |
1468 | { | |
1469 | general_thread = thread_id; | |
1470 | set_desired_inferior (1); | |
1471 | } | |
1472 | else if (own_buf[1] == 'c') | |
1473 | cont_thread = thread_id; | |
1474 | else if (own_buf[1] == 's') | |
1475 | step_thread = thread_id; | |
1476 | ||
0d62e5e8 | 1477 | write_ok (own_buf); |
a06660f7 DJ |
1478 | } |
1479 | else | |
1480 | { | |
c906108c SS |
1481 | /* Silently ignore it so that gdb can extend the protocol |
1482 | without compatibility headaches. */ | |
1483 | own_buf[0] = '\0'; | |
c906108c SS |
1484 | } |
1485 | break; | |
1486 | case 'g': | |
2d717e4f | 1487 | require_running (own_buf); |
0d62e5e8 | 1488 | set_desired_inferior (1); |
0a30fbc4 | 1489 | registers_to_string (own_buf); |
c906108c SS |
1490 | break; |
1491 | case 'G': | |
2d717e4f | 1492 | require_running (own_buf); |
0d62e5e8 | 1493 | set_desired_inferior (1); |
0a30fbc4 | 1494 | registers_from_string (&own_buf[1]); |
c906108c SS |
1495 | write_ok (own_buf); |
1496 | break; | |
1497 | case 'm': | |
2d717e4f | 1498 | require_running (own_buf); |
c906108c | 1499 | decode_m_packet (&own_buf[1], &mem_addr, &len); |
c3e735a6 DJ |
1500 | if (read_inferior_memory (mem_addr, mem_buf, len) == 0) |
1501 | convert_int_to_ascii (mem_buf, own_buf, len); | |
1502 | else | |
1503 | write_enn (own_buf); | |
c906108c SS |
1504 | break; |
1505 | case 'M': | |
2d717e4f | 1506 | require_running (own_buf); |
c906108c SS |
1507 | decode_M_packet (&own_buf[1], &mem_addr, &len, mem_buf); |
1508 | if (write_inferior_memory (mem_addr, mem_buf, len) == 0) | |
1509 | write_ok (own_buf); | |
1510 | else | |
1511 | write_enn (own_buf); | |
1512 | break; | |
01f9e8fa | 1513 | case 'X': |
2d717e4f | 1514 | require_running (own_buf); |
01f9e8fa DJ |
1515 | if (decode_X_packet (&own_buf[1], packet_len - 1, |
1516 | &mem_addr, &len, mem_buf) < 0 | |
1517 | || write_inferior_memory (mem_addr, mem_buf, len) != 0) | |
1518 | write_enn (own_buf); | |
1519 | else | |
1520 | write_ok (own_buf); | |
1521 | break; | |
c906108c | 1522 | case 'C': |
2d717e4f | 1523 | require_running (own_buf); |
c906108c | 1524 | convert_ascii_to_int (own_buf + 1, &sig, 1); |
0e98d0a7 DJ |
1525 | if (target_signal_to_host_p (sig)) |
1526 | signal = target_signal_to_host (sig); | |
1527 | else | |
1528 | signal = 0; | |
27524b67 | 1529 | myresume (own_buf, 0, &signal, &status); |
c906108c SS |
1530 | break; |
1531 | case 'S': | |
2d717e4f | 1532 | require_running (own_buf); |
c906108c | 1533 | convert_ascii_to_int (own_buf + 1, &sig, 1); |
0e98d0a7 DJ |
1534 | if (target_signal_to_host_p (sig)) |
1535 | signal = target_signal_to_host (sig); | |
1536 | else | |
1537 | signal = 0; | |
27524b67 | 1538 | myresume (own_buf, 1, &signal, &status); |
c906108c SS |
1539 | break; |
1540 | case 'c': | |
2d717e4f | 1541 | require_running (own_buf); |
a20d5e98 | 1542 | signal = 0; |
27524b67 | 1543 | myresume (own_buf, 0, &signal, &status); |
c906108c SS |
1544 | break; |
1545 | case 's': | |
2d717e4f | 1546 | require_running (own_buf); |
a20d5e98 | 1547 | signal = 0; |
27524b67 | 1548 | myresume (own_buf, 1, &signal, &status); |
c906108c | 1549 | break; |
e013ee27 OF |
1550 | case 'Z': |
1551 | { | |
1552 | char *lenptr; | |
1553 | char *dataptr; | |
1554 | CORE_ADDR addr = strtoul (&own_buf[3], &lenptr, 16); | |
1555 | int len = strtol (lenptr + 1, &dataptr, 16); | |
1556 | char type = own_buf[1]; | |
1557 | ||
1558 | if (the_target->insert_watchpoint == NULL | |
1559 | || (type < '2' || type > '4')) | |
1560 | { | |
1561 | /* No watchpoint support or not a watchpoint command; | |
1562 | unrecognized either way. */ | |
1563 | own_buf[0] = '\0'; | |
1564 | } | |
1565 | else | |
1566 | { | |
1567 | int res; | |
1568 | ||
2d717e4f | 1569 | require_running (own_buf); |
e013ee27 OF |
1570 | res = (*the_target->insert_watchpoint) (type, addr, len); |
1571 | if (res == 0) | |
1572 | write_ok (own_buf); | |
1573 | else if (res == 1) | |
1574 | /* Unsupported. */ | |
1575 | own_buf[0] = '\0'; | |
1576 | else | |
1577 | write_enn (own_buf); | |
1578 | } | |
1579 | break; | |
1580 | } | |
1581 | case 'z': | |
1582 | { | |
1583 | char *lenptr; | |
1584 | char *dataptr; | |
1585 | CORE_ADDR addr = strtoul (&own_buf[3], &lenptr, 16); | |
1586 | int len = strtol (lenptr + 1, &dataptr, 16); | |
1587 | char type = own_buf[1]; | |
1588 | ||
1589 | if (the_target->remove_watchpoint == NULL | |
1590 | || (type < '2' || type > '4')) | |
1591 | { | |
1592 | /* No watchpoint support or not a watchpoint command; | |
1593 | unrecognized either way. */ | |
1594 | own_buf[0] = '\0'; | |
1595 | } | |
1596 | else | |
1597 | { | |
1598 | int res; | |
1599 | ||
2d717e4f | 1600 | require_running (own_buf); |
e013ee27 OF |
1601 | res = (*the_target->remove_watchpoint) (type, addr, len); |
1602 | if (res == 0) | |
1603 | write_ok (own_buf); | |
1604 | else if (res == 1) | |
1605 | /* Unsupported. */ | |
1606 | own_buf[0] = '\0'; | |
1607 | else | |
1608 | write_enn (own_buf); | |
1609 | } | |
1610 | break; | |
1611 | } | |
c906108c | 1612 | case 'k': |
2d717e4f DJ |
1613 | response_needed = 0; |
1614 | if (!target_running ()) | |
1615 | /* The packet we received doesn't make sense - but we | |
1616 | can't reply to it, either. */ | |
1617 | goto restart; | |
1618 | ||
c906108c SS |
1619 | fprintf (stderr, "Killing inferior\n"); |
1620 | kill_inferior (); | |
2d717e4f DJ |
1621 | |
1622 | /* When using the extended protocol, we wait with no | |
1623 | program running. The traditional protocol will exit | |
1624 | instead. */ | |
c906108c SS |
1625 | if (extended_protocol) |
1626 | { | |
2d717e4f DJ |
1627 | status = 'X'; |
1628 | signal = TARGET_SIGNAL_KILL; | |
1629 | was_running = 0; | |
c906108c | 1630 | goto restart; |
c906108c SS |
1631 | } |
1632 | else | |
1633 | { | |
1634 | exit (0); | |
1635 | break; | |
1636 | } | |
1637 | case 'T': | |
a06660f7 DJ |
1638 | { |
1639 | unsigned long gdb_id, thread_id; | |
1640 | ||
2d717e4f | 1641 | require_running (own_buf); |
a06660f7 DJ |
1642 | gdb_id = strtoul (&own_buf[1], NULL, 16); |
1643 | thread_id = gdb_id_to_thread_id (gdb_id); | |
1644 | if (thread_id == 0) | |
1645 | { | |
1646 | write_enn (own_buf); | |
1647 | break; | |
1648 | } | |
1649 | ||
1650 | if (mythread_alive (thread_id)) | |
1651 | write_ok (own_buf); | |
1652 | else | |
1653 | write_enn (own_buf); | |
1654 | } | |
c906108c SS |
1655 | break; |
1656 | case 'R': | |
2d717e4f DJ |
1657 | response_needed = 0; |
1658 | ||
c906108c | 1659 | /* Restarting the inferior is only supported in the |
c5aa993b | 1660 | extended protocol. */ |
c906108c SS |
1661 | if (extended_protocol) |
1662 | { | |
2d717e4f DJ |
1663 | if (target_running ()) |
1664 | kill_inferior (); | |
c906108c SS |
1665 | fprintf (stderr, "GDBserver restarting\n"); |
1666 | ||
1667 | /* Wait till we are at 1st instruction in prog. */ | |
2d717e4f DJ |
1668 | if (program_argv != NULL) |
1669 | signal = start_inferior (program_argv, &status); | |
1670 | else | |
1671 | { | |
1672 | status = 'X'; | |
1673 | signal = TARGET_SIGNAL_KILL; | |
1674 | } | |
c906108c | 1675 | goto restart; |
c906108c SS |
1676 | } |
1677 | else | |
1678 | { | |
1679 | /* It is a request we don't understand. Respond with an | |
1680 | empty packet so that gdb knows that we don't support this | |
1681 | request. */ | |
1682 | own_buf[0] = '\0'; | |
1683 | break; | |
1684 | } | |
64386c31 DJ |
1685 | case 'v': |
1686 | /* Extended (long) request. */ | |
a6b151f1 DJ |
1687 | handle_v_requests (own_buf, &status, &signal, |
1688 | packet_len, &new_packet_len); | |
64386c31 | 1689 | break; |
a6b151f1 | 1690 | |
c906108c SS |
1691 | default: |
1692 | /* It is a request we don't understand. Respond with an | |
c5aa993b JM |
1693 | empty packet so that gdb knows that we don't support this |
1694 | request. */ | |
c906108c SS |
1695 | own_buf[0] = '\0'; |
1696 | break; | |
1697 | } | |
1698 | ||
01f9e8fa DJ |
1699 | if (new_packet_len != -1) |
1700 | putpkt_binary (own_buf, new_packet_len); | |
1701 | else | |
1702 | putpkt (own_buf); | |
c906108c | 1703 | |
2d717e4f DJ |
1704 | response_needed = 0; |
1705 | ||
1706 | if (was_running && (status == 'W' || status == 'X')) | |
c906108c | 1707 | { |
2d717e4f | 1708 | was_running = 0; |
c906108c | 1709 | |
2d717e4f DJ |
1710 | if (status == 'W') |
1711 | fprintf (stderr, | |
1712 | "\nChild exited with status %d\n", signal); | |
1713 | if (status == 'X') | |
1714 | fprintf (stderr, "\nChild terminated with signal = 0x%x (%s)\n", | |
1715 | target_signal_to_host (signal), | |
1716 | target_signal_to_name (signal)); | |
1717 | ||
1718 | if (extended_protocol) | |
1719 | goto restart; | |
c906108c SS |
1720 | else |
1721 | { | |
1722 | fprintf (stderr, "GDBserver exiting\n"); | |
1723 | exit (0); | |
1724 | } | |
1725 | } | |
c906108c | 1726 | |
2d717e4f DJ |
1727 | if (status != 'W' && status != 'X') |
1728 | was_running = 1; | |
1729 | } | |
c906108c | 1730 | |
2d717e4f DJ |
1731 | /* If an exit was requested (using the "monitor exit" command), |
1732 | terminate now. The only other way to get here is for | |
1733 | getpkt to fail; close the connection and reopen it at the | |
1734 | top of the loop. */ | |
c906108c | 1735 | |
2d717e4f | 1736 | if (exit_requested) |
c906108c SS |
1737 | { |
1738 | remote_close (); | |
2d717e4f DJ |
1739 | if (attached && target_running ()) |
1740 | detach_inferior (); | |
1741 | else if (target_running ()) | |
1742 | kill_inferior (); | |
c906108c SS |
1743 | exit (0); |
1744 | } | |
1745 | else | |
1746 | { | |
45b7b345 DJ |
1747 | fprintf (stderr, "Remote side has terminated connection. " |
1748 | "GDBserver will reopen the connection.\n"); | |
c906108c SS |
1749 | remote_close (); |
1750 | } | |
1751 | } | |
1752 | } |