Commit | Line | Data |
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da0baf42 | 1 | /* Multi-process/thread control for GDB, the GNU debugger. |
87feff9d | 2 | Copyright 1986, 1987, 1988, 1993, 1998 |
da0baf42 SG |
3 | |
4 | Contributed by Lynx Real-Time Systems, Inc. Los Gatos, CA. | |
5 | Free Software Foundation, Inc. | |
6 | ||
7 | This file is part of GDB. | |
8 | ||
9 | This program is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 2 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | This program is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
20 | along with this program; if not, write to the Free Software | |
6c9638b4 | 21 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
25286543 SG |
22 | |
23 | #include "defs.h" | |
24 | #include "symtab.h" | |
25 | #include "frame.h" | |
26 | #include "inferior.h" | |
27 | #include "environ.h" | |
28 | #include "value.h" | |
29 | #include "target.h" | |
fdfa3315 | 30 | #include "gdbthread.h" |
46c28185 | 31 | #include "command.h" |
89ce0c8f | 32 | #include "gdbcmd.h" |
25286543 | 33 | |
89ce0c8f | 34 | #include <ctype.h> |
25286543 SG |
35 | #include <sys/types.h> |
36 | #include <signal.h> | |
37 | ||
38 | /*#include "lynxos-core.h"*/ | |
39 | ||
40 | struct thread_info | |
41 | { | |
42 | struct thread_info *next; | |
43 | int pid; /* Actual process id */ | |
44 | int num; /* Convenient handle */ | |
88a294b1 JL |
45 | CORE_ADDR prev_pc; /* State from wait_for_inferior */ |
46 | CORE_ADDR prev_func_start; | |
47 | char *prev_func_name; | |
48 | struct breakpoint *step_resume_breakpoint; | |
49 | struct breakpoint *through_sigtramp_breakpoint; | |
50 | CORE_ADDR step_range_start; | |
51 | CORE_ADDR step_range_end; | |
52 | CORE_ADDR step_frame_address; | |
53 | int trap_expected; | |
54 | int handling_longjmp; | |
55 | int another_trap; | |
25286543 | 56 | |
65b07ddc DT |
57 | /* This is set TRUE when a catchpoint of a shared library event |
58 | triggers. Since we don't wish to leave the inferior in the | |
59 | solib hook when we report the event, we step the inferior | |
60 | back to user code before stopping and reporting the event. | |
61 | */ | |
62 | int stepping_through_solib_after_catch; | |
63 | ||
64 | /* When stepping_through_solib_after_catch is TRUE, this is a | |
65 | list of the catchpoints that should be reported as triggering | |
66 | when we finally do stop stepping. | |
67 | */ | |
68 | bpstat stepping_through_solib_catchpoints; | |
25286543 | 69 | |
65b07ddc DT |
70 | /* This is set to TRUE when this thread is in a signal handler |
71 | trampoline and we're single-stepping through it */ | |
72 | int stepping_through_sigtramp; | |
73 | ||
74 | }; | |
9ee59844 | 75 | |
677f415c MS |
76 | /* Prototypes for exported functions. */ |
77 | ||
78 | void _initialize_thread PARAMS ((void)); | |
79 | ||
80 | /* Prototypes for local functions. */ | |
81 | ||
82 | #if !defined(FIND_NEW_THREADS) | |
83 | #define FIND_NEW_THREADS target_find_new_threads | |
84 | #endif | |
85 | ||
86 | static struct thread_info *thread_list = NULL; | |
87 | static int highest_thread_num; | |
88 | ||
89 | static struct thread_info * find_thread_id PARAMS ((int num)); | |
90 | ||
91 | static void thread_command PARAMS ((char * tidstr, int from_tty)); | |
92 | static void thread_apply_all_command PARAMS ((char *, int)); | |
93 | static int thread_alive PARAMS ((struct thread_info *)); | |
94 | static void info_threads_command PARAMS ((char *, int)); | |
95 | static void thread_apply_command PARAMS ((char *, int)); | |
96 | static void restore_current_thread PARAMS ((int)); | |
97 | static void switch_to_thread PARAMS ((int pid)); | |
98 | static void prune_threads PARAMS ((void)); | |
99 | ||
100 | /* If the host has threads, the host machine definition may set this | |
101 | macro. But, for remote thread debugging, it gets more complex and | |
102 | setting macros does not bind to the various target dependent | |
103 | methods well. So, we use the vector target_thread_functions */ | |
104 | ||
9ee59844 JM |
105 | static struct target_thread_vector *target_thread_functions; |
106 | ||
107 | int | |
108 | target_find_new_threads () | |
109 | { | |
110 | int retval = 0; | |
111 | if (target_thread_functions && | |
112 | target_thread_functions->find_new_threads) | |
113 | retval = (*(target_thread_functions->find_new_threads)) (); | |
114 | return retval; /* no support */ | |
115 | } | |
116 | ||
117 | ||
118 | int | |
677f415c MS |
119 | target_get_thread_info PARAMS ((gdb_threadref * ref, |
120 | int selection, /* FIXME: Selection */ | |
121 | struct gdb_ext_thread_info * info)); | |
9ee59844 JM |
122 | |
123 | int | |
124 | target_get_thread_info (ref, selection, info) | |
125 | ||
126 | gdb_threadref *ref; | |
127 | int selection; | |
128 | /* FIXME: Selection */ | |
129 | struct gdb_ext_thread_info *info; | |
130 | ||
131 | { | |
132 | int retval = 0; | |
133 | if (target_thread_functions | |
134 | && target_thread_functions->get_thread_info) | |
135 | retval = (*(target_thread_functions->get_thread_info)) (ref, selection, info); | |
136 | return retval; | |
137 | } | |
138 | ||
139 | ||
140 | /* It is possible that these bind and unbinf functions implement a | |
141 | stack the interface allows it, but its not implemented that way | |
142 | */ | |
143 | ||
144 | ||
145 | void | |
146 | bind_target_thread_vector (vec) | |
147 | struct target_thread_vector *vec; | |
148 | { | |
149 | target_thread_functions = vec; | |
150 | } | |
65b07ddc | 151 | |
9ee59844 JM |
152 | struct target_thread_vector * |
153 | unbind_target_thread_vector () | |
154 | { | |
155 | struct target_thread_vector *retval; | |
156 | retval = target_thread_functions; | |
157 | target_thread_functions = 0; | |
158 | return retval; | |
159 | } /* unbind_target_thread-vector */ | |
160 | ||
25286543 SG |
161 | void |
162 | init_thread_list () | |
163 | { | |
164 | struct thread_info *tp, *tpnext; | |
165 | ||
166 | if (!thread_list) | |
167 | return; | |
168 | ||
169 | for (tp = thread_list; tp; tp = tpnext) | |
170 | { | |
171 | tpnext = tp->next; | |
172 | free (tp); | |
173 | } | |
174 | ||
175 | thread_list = NULL; | |
176 | highest_thread_num = 0; | |
177 | } | |
178 | ||
179 | void | |
180 | add_thread (pid) | |
181 | int pid; | |
182 | { | |
183 | struct thread_info *tp; | |
184 | ||
3082244d | 185 | tp = (struct thread_info *) xmalloc (sizeof (struct thread_info)); |
25286543 SG |
186 | |
187 | tp->pid = pid; | |
188 | tp->num = ++highest_thread_num; | |
88a294b1 JL |
189 | tp->prev_pc = 0; |
190 | tp->prev_func_start = 0; | |
191 | tp->prev_func_name = NULL; | |
192 | tp->step_range_start = 0; | |
193 | tp->step_range_end = 0; | |
194 | tp->step_frame_address =0; | |
195 | tp->step_resume_breakpoint = 0; | |
196 | tp->through_sigtramp_breakpoint = 0; | |
197 | tp->handling_longjmp = 0; | |
198 | tp->trap_expected = 0; | |
199 | tp->another_trap = 0; | |
65b07ddc DT |
200 | tp->stepping_through_solib_after_catch = 0; |
201 | tp->stepping_through_solib_catchpoints = NULL; | |
202 | tp->stepping_through_sigtramp = 0; | |
25286543 SG |
203 | tp->next = thread_list; |
204 | thread_list = tp; | |
205 | } | |
206 | ||
3780c337 MS |
207 | void |
208 | delete_thread (pid) | |
209 | int pid; | |
210 | { | |
211 | struct thread_info *tp, *tpprev; | |
212 | ||
213 | tpprev = NULL; | |
214 | ||
215 | for (tp = thread_list; tp; tpprev = tp, tp = tp->next) | |
216 | if (tp->pid == pid) | |
217 | break; | |
218 | ||
219 | if (!tp) | |
220 | return; | |
221 | ||
222 | if (tpprev) | |
223 | tpprev->next = tp->next; | |
224 | else | |
225 | thread_list = tp->next; | |
226 | ||
227 | free (tp); | |
228 | ||
229 | return; | |
230 | } | |
231 | ||
25286543 SG |
232 | static struct thread_info * |
233 | find_thread_id (num) | |
234 | int num; | |
235 | { | |
236 | struct thread_info *tp; | |
237 | ||
238 | for (tp = thread_list; tp; tp = tp->next) | |
239 | if (tp->num == num) | |
240 | return tp; | |
241 | ||
242 | return NULL; | |
243 | } | |
244 | ||
de43d7d0 SG |
245 | int |
246 | valid_thread_id (num) | |
247 | int num; | |
248 | { | |
249 | struct thread_info *tp; | |
250 | ||
251 | for (tp = thread_list; tp; tp = tp->next) | |
252 | if (tp->num == num) | |
253 | return 1; | |
254 | ||
255 | return 0; | |
256 | } | |
257 | ||
258 | int | |
259 | pid_to_thread_id (pid) | |
260 | int pid; | |
261 | { | |
262 | struct thread_info *tp; | |
263 | ||
264 | for (tp = thread_list; tp; tp = tp->next) | |
265 | if (tp->pid == pid) | |
266 | return tp->num; | |
267 | ||
268 | return 0; | |
269 | } | |
270 | ||
c889a1eb MS |
271 | int |
272 | thread_id_to_pid (num) | |
273 | int num; | |
274 | { | |
275 | struct thread_info *thread = find_thread_id (num); | |
276 | if (thread) | |
277 | return thread->pid; | |
278 | else | |
279 | return -1; | |
280 | } | |
281 | ||
25286543 SG |
282 | int |
283 | in_thread_list (pid) | |
284 | int pid; | |
285 | { | |
286 | struct thread_info *tp; | |
287 | ||
288 | for (tp = thread_list; tp; tp = tp->next) | |
289 | if (tp->pid == pid) | |
290 | return 1; | |
291 | ||
292 | return 0; /* Never heard of 'im */ | |
293 | } | |
294 | ||
88a294b1 JL |
295 | /* Load infrun state for the thread PID. */ |
296 | ||
297 | void load_infrun_state (pid, prev_pc, prev_func_start, prev_func_name, | |
298 | trap_expected, step_resume_breakpoint, | |
299 | through_sigtramp_breakpoint, step_range_start, | |
300 | step_range_end, step_frame_address, | |
65b07ddc | 301 | handling_longjmp, another_trap, |
9bff382d MS |
302 | stepping_through_solib_after_catch, |
303 | stepping_through_solib_catchpoints, | |
304 | stepping_through_sigtramp) | |
88a294b1 JL |
305 | int pid; |
306 | CORE_ADDR *prev_pc; | |
307 | CORE_ADDR *prev_func_start; | |
308 | char **prev_func_name; | |
309 | int *trap_expected; | |
310 | struct breakpoint **step_resume_breakpoint; | |
311 | struct breakpoint **through_sigtramp_breakpoint; | |
312 | CORE_ADDR *step_range_start; | |
313 | CORE_ADDR *step_range_end; | |
314 | CORE_ADDR *step_frame_address; | |
315 | int *handling_longjmp; | |
316 | int *another_trap; | |
65b07ddc DT |
317 | int * stepping_through_solib_after_catch; |
318 | bpstat * stepping_through_solib_catchpoints; | |
319 | int * stepping_through_sigtramp; | |
88a294b1 JL |
320 | { |
321 | struct thread_info *tp; | |
322 | ||
323 | /* If we can't find the thread, then we're debugging a single threaded | |
324 | process. No need to do anything in that case. */ | |
325 | tp = find_thread_id (pid_to_thread_id (pid)); | |
326 | if (tp == NULL) | |
327 | return; | |
328 | ||
329 | *prev_pc = tp->prev_pc; | |
330 | *prev_func_start = tp->prev_func_start; | |
331 | *prev_func_name = tp->prev_func_name; | |
332 | *step_resume_breakpoint = tp->step_resume_breakpoint; | |
333 | *step_range_start = tp->step_range_start; | |
334 | *step_range_end = tp->step_range_end; | |
335 | *step_frame_address = tp->step_frame_address; | |
336 | *through_sigtramp_breakpoint = tp->through_sigtramp_breakpoint; | |
337 | *handling_longjmp = tp->handling_longjmp; | |
338 | *trap_expected = tp->trap_expected; | |
339 | *another_trap = tp->another_trap; | |
65b07ddc DT |
340 | *stepping_through_solib_after_catch = tp->stepping_through_solib_after_catch; |
341 | *stepping_through_solib_catchpoints = tp->stepping_through_solib_catchpoints; | |
342 | *stepping_through_sigtramp = tp->stepping_through_sigtramp; | |
88a294b1 JL |
343 | } |
344 | ||
345 | /* Save infrun state for the thread PID. */ | |
346 | ||
347 | void save_infrun_state (pid, prev_pc, prev_func_start, prev_func_name, | |
348 | trap_expected, step_resume_breakpoint, | |
349 | through_sigtramp_breakpoint, step_range_start, | |
350 | step_range_end, step_frame_address, | |
65b07ddc | 351 | handling_longjmp, another_trap, |
9bff382d MS |
352 | stepping_through_solib_after_catch, |
353 | stepping_through_solib_catchpoints, | |
354 | stepping_through_sigtramp) | |
88a294b1 JL |
355 | int pid; |
356 | CORE_ADDR prev_pc; | |
357 | CORE_ADDR prev_func_start; | |
358 | char *prev_func_name; | |
359 | int trap_expected; | |
360 | struct breakpoint *step_resume_breakpoint; | |
361 | struct breakpoint *through_sigtramp_breakpoint; | |
362 | CORE_ADDR step_range_start; | |
363 | CORE_ADDR step_range_end; | |
364 | CORE_ADDR step_frame_address; | |
365 | int handling_longjmp; | |
366 | int another_trap; | |
65b07ddc DT |
367 | int stepping_through_solib_after_catch; |
368 | bpstat stepping_through_solib_catchpoints; | |
369 | int stepping_through_sigtramp; | |
88a294b1 JL |
370 | { |
371 | struct thread_info *tp; | |
372 | ||
373 | /* If we can't find the thread, then we're debugging a single-threaded | |
374 | process. Nothing to do in that case. */ | |
375 | tp = find_thread_id (pid_to_thread_id (pid)); | |
376 | if (tp == NULL) | |
377 | return; | |
378 | ||
379 | tp->prev_pc = prev_pc; | |
380 | tp->prev_func_start = prev_func_start; | |
381 | tp->prev_func_name = prev_func_name; | |
382 | tp->step_resume_breakpoint = step_resume_breakpoint; | |
383 | tp->step_range_start = step_range_start; | |
384 | tp->step_range_end = step_range_end; | |
385 | tp->step_frame_address = step_frame_address; | |
386 | tp->through_sigtramp_breakpoint = through_sigtramp_breakpoint; | |
387 | tp->handling_longjmp = handling_longjmp; | |
388 | tp->trap_expected = trap_expected; | |
389 | tp->another_trap = another_trap; | |
65b07ddc DT |
390 | tp->stepping_through_solib_after_catch = stepping_through_solib_after_catch; |
391 | tp->stepping_through_solib_catchpoints = stepping_through_solib_catchpoints; | |
392 | tp->stepping_through_sigtramp = stepping_through_sigtramp; | |
88a294b1 JL |
393 | } |
394 | ||
2847920a MS |
395 | /* Return true if TP is an active thread. */ |
396 | static int | |
397 | thread_alive (tp) | |
398 | struct thread_info *tp; | |
399 | { | |
400 | if (tp->pid == -1) | |
401 | return 0; | |
402 | if (! target_thread_alive (tp->pid)) | |
403 | { | |
404 | tp->pid = -1; /* Mark it as dead */ | |
405 | return 0; | |
406 | } | |
407 | return 1; | |
408 | } | |
409 | ||
25286543 SG |
410 | static void |
411 | prune_threads () | |
412 | { | |
2847920a | 413 | struct thread_info *tp, *tpprev, *next; |
25286543 SG |
414 | |
415 | tpprev = 0; | |
2847920a MS |
416 | for (tp = thread_list; tp; tp = next) |
417 | { | |
418 | next = tp->next; | |
419 | if (!thread_alive (tp)) | |
420 | { | |
421 | if (tpprev) | |
422 | tpprev->next = next; | |
423 | else | |
424 | thread_list = next; | |
425 | free (tp); | |
426 | } | |
427 | else | |
428 | tpprev = tp; | |
429 | } | |
25286543 SG |
430 | } |
431 | ||
65b07ddc DT |
432 | /* Print information about currently known threads |
433 | * | |
434 | * Note: this has the drawback that it _really_ switches | |
435 | * threads, which frees the frame cache. A no-side | |
436 | * effects info-threads command would be nicer. | |
437 | */ | |
25286543 SG |
438 | |
439 | static void | |
440 | info_threads_command (arg, from_tty) | |
441 | char *arg; | |
442 | int from_tty; | |
443 | { | |
444 | struct thread_info *tp; | |
b53a1514 | 445 | int current_pid; |
9bff382d | 446 | struct frame_info *cur_frame; |
65b07ddc DT |
447 | int saved_frame_level = selected_frame_level; |
448 | int counter; | |
25286543 | 449 | |
4cc1b3f7 JK |
450 | /* Avoid coredumps which would happen if we tried to access a NULL |
451 | selected_frame. */ | |
452 | if (!target_has_stack) error ("No stack."); | |
453 | ||
2847920a | 454 | prune_threads (); |
02227894 DT |
455 | #if defined(FIND_NEW_THREADS) |
456 | FIND_NEW_THREADS (); | |
457 | #endif | |
b53a1514 | 458 | current_pid = inferior_pid; |
25286543 SG |
459 | for (tp = thread_list; tp; tp = tp->next) |
460 | { | |
25286543 SG |
461 | if (tp->pid == current_pid) |
462 | printf_filtered ("* "); | |
463 | else | |
464 | printf_filtered (" "); | |
465 | ||
65b07ddc DT |
466 | #ifdef HPUXHPPA |
467 | printf_filtered ("%d %s ", tp->num, target_tid_to_str (tp->pid)); | |
468 | #else | |
25286543 | 469 | printf_filtered ("%d %s ", tp->num, target_pid_to_str (tp->pid)); |
65b07ddc | 470 | #endif |
c889a1eb | 471 | switch_to_thread (tp->pid); |
3780c337 | 472 | if (selected_frame) |
65b07ddc | 473 | print_only_stack_frame (selected_frame, -1, 0); |
3780c337 MS |
474 | else |
475 | printf_filtered ("[No stack.]\n"); | |
25286543 SG |
476 | } |
477 | ||
c889a1eb | 478 | switch_to_thread (current_pid); |
65b07ddc DT |
479 | |
480 | /* Code below copied from "up_silently_base" in "stack.c". | |
481 | * It restores the frame set by the user before the "info threads" | |
482 | * command. We have finished the info-threads display by switching | |
483 | * back to the current thread. That switch has put us at the top | |
484 | * of the stack (leaf frame). | |
485 | */ | |
486 | counter = saved_frame_level; | |
487 | cur_frame = find_relative_frame(selected_frame, &counter); | |
9bff382d MS |
488 | if (counter != 0) |
489 | { | |
65b07ddc DT |
490 | /* Ooops, can't restore, tell user where we are. */ |
491 | warning ("Couldn't restore frame in current thread, at frame 0"); | |
492 | print_stack_frame (selected_frame, -1, 0); | |
9bff382d MS |
493 | } |
494 | else | |
495 | { | |
65b07ddc | 496 | select_frame(cur_frame, saved_frame_level); |
9bff382d | 497 | } |
65b07ddc DT |
498 | |
499 | /* re-show current frame. */ | |
500 | show_stack_frame(cur_frame); | |
25286543 SG |
501 | } |
502 | ||
503 | /* Switch from one thread to another. */ | |
504 | ||
3082244d | 505 | static void |
c889a1eb | 506 | switch_to_thread (pid) |
25286543 SG |
507 | int pid; |
508 | { | |
509 | if (pid == inferior_pid) | |
510 | return; | |
511 | ||
512 | inferior_pid = pid; | |
25286543 SG |
513 | flush_cached_frames (); |
514 | registers_changed (); | |
515 | stop_pc = read_pc(); | |
25286543 SG |
516 | select_frame (get_current_frame (), 0); |
517 | } | |
518 | ||
5090e82c SG |
519 | static void |
520 | restore_current_thread (pid) | |
521 | int pid; | |
522 | { | |
9bff382d MS |
523 | if (pid != inferior_pid) |
524 | { | |
525 | switch_to_thread (pid); | |
526 | print_stack_frame( get_current_frame(), 0, -1); | |
527 | } | |
5090e82c SG |
528 | } |
529 | ||
530 | /* Apply a GDB command to a list of threads. List syntax is a whitespace | |
531 | seperated list of numbers, or ranges, or the keyword `all'. Ranges consist | |
532 | of two numbers seperated by a hyphen. Examples: | |
533 | ||
534 | thread apply 1 2 7 4 backtrace Apply backtrace cmd to threads 1,2,7,4 | |
535 | thread apply 2-7 9 p foo(1) Apply p foo(1) cmd to threads 2->7 & 9 | |
536 | thread apply all p x/i $pc Apply x/i $pc cmd to all threads | |
537 | */ | |
538 | ||
539 | static void | |
540 | thread_apply_all_command (cmd, from_tty) | |
541 | char *cmd; | |
542 | int from_tty; | |
543 | { | |
544 | struct thread_info *tp; | |
545 | struct cleanup *old_chain; | |
546 | ||
547 | if (cmd == NULL || *cmd == '\000') | |
548 | error ("Please specify a command following the thread ID list"); | |
549 | ||
ad3b8c4a | 550 | old_chain = make_cleanup ((make_cleanup_func) restore_current_thread, |
9bff382d | 551 | (void *) inferior_pid); |
5090e82c SG |
552 | |
553 | for (tp = thread_list; tp; tp = tp->next) | |
2847920a MS |
554 | if (thread_alive (tp)) |
555 | { | |
556 | switch_to_thread (tp->pid); | |
65b07ddc | 557 | #ifdef HPUXHPPA |
9bff382d MS |
558 | printf_filtered ("\nThread %d (%s):\n", |
559 | tp->num, | |
560 | target_tid_to_str (inferior_pid)); | |
65b07ddc | 561 | #else |
2847920a MS |
562 | printf_filtered ("\nThread %d (%s):\n", tp->num, |
563 | target_pid_to_str (inferior_pid)); | |
65b07ddc | 564 | #endif |
2847920a MS |
565 | execute_command (cmd, from_tty); |
566 | } | |
5090e82c SG |
567 | } |
568 | ||
569 | static void | |
570 | thread_apply_command (tidlist, from_tty) | |
571 | char *tidlist; | |
572 | int from_tty; | |
573 | { | |
574 | char *cmd; | |
575 | char *p; | |
576 | struct cleanup *old_chain; | |
577 | ||
578 | if (tidlist == NULL || *tidlist == '\000') | |
579 | error ("Please specify a thread ID list"); | |
580 | ||
581 | for (cmd = tidlist; *cmd != '\000' && !isalpha(*cmd); cmd++); | |
582 | ||
583 | if (*cmd == '\000') | |
584 | error ("Please specify a command following the thread ID list"); | |
585 | ||
ad3b8c4a | 586 | old_chain = make_cleanup ((make_cleanup_func) restore_current_thread, |
9bff382d | 587 | (void *) inferior_pid); |
5090e82c SG |
588 | |
589 | while (tidlist < cmd) | |
590 | { | |
591 | struct thread_info *tp; | |
592 | int start, end; | |
593 | ||
594 | start = strtol (tidlist, &p, 10); | |
595 | if (p == tidlist) | |
596 | error ("Error parsing %s", tidlist); | |
597 | tidlist = p; | |
598 | ||
599 | while (*tidlist == ' ' || *tidlist == '\t') | |
600 | tidlist++; | |
601 | ||
602 | if (*tidlist == '-') /* Got a range of IDs? */ | |
603 | { | |
604 | tidlist++; /* Skip the - */ | |
605 | end = strtol (tidlist, &p, 10); | |
606 | if (p == tidlist) | |
607 | error ("Error parsing %s", tidlist); | |
608 | tidlist = p; | |
609 | ||
610 | while (*tidlist == ' ' || *tidlist == '\t') | |
611 | tidlist++; | |
612 | } | |
613 | else | |
614 | end = start; | |
615 | ||
616 | for (; start <= end; start++) | |
617 | { | |
618 | tp = find_thread_id (start); | |
619 | ||
620 | if (!tp) | |
2847920a MS |
621 | warning ("Unknown thread %d.", start); |
622 | else if (!thread_alive (tp)) | |
623 | warning ("Thread %d has terminated.", start); | |
624 | else | |
5090e82c | 625 | { |
2847920a | 626 | switch_to_thread (tp->pid); |
65b07ddc | 627 | #ifdef HPUXHPPA |
9bff382d MS |
628 | printf_filtered ("\nThread %d (%s):\n", tp->num, |
629 | target_tid_to_str (inferior_pid)); | |
65b07ddc | 630 | #else |
2847920a MS |
631 | printf_filtered ("\nThread %d (%s):\n", tp->num, |
632 | target_pid_to_str (inferior_pid)); | |
65b07ddc | 633 | #endif |
2847920a | 634 | execute_command (cmd, from_tty); |
5090e82c | 635 | } |
5090e82c SG |
636 | } |
637 | } | |
638 | } | |
639 | ||
640 | /* Switch to the specified thread. Will dispatch off to thread_apply_command | |
641 | if prefix of arg is `apply'. */ | |
642 | ||
25286543 SG |
643 | static void |
644 | thread_command (tidstr, from_tty) | |
645 | char *tidstr; | |
646 | int from_tty; | |
647 | { | |
648 | int num; | |
649 | struct thread_info *tp; | |
650 | ||
651 | if (!tidstr) | |
65b07ddc DT |
652 | { |
653 | /* Don't generate an error, just say which thread is current. */ | |
654 | if (target_has_stack) | |
655 | printf_filtered ("[Current thread is %d (%s)]\n", | |
656 | pid_to_thread_id(inferior_pid), | |
657 | #if defined(HPUXHPPA) | |
658 | target_tid_to_str(inferior_pid) | |
659 | #else | |
660 | target_pid_to_str(inferior_pid) | |
661 | #endif | |
662 | ); | |
663 | else | |
664 | error ("No stack."); | |
665 | return; | |
666 | } | |
25286543 SG |
667 | num = atoi (tidstr); |
668 | ||
669 | tp = find_thread_id (num); | |
670 | ||
671 | if (!tp) | |
672 | error ("Thread ID %d not known. Use the \"info threads\" command to\n\ | |
673 | see the IDs of currently known threads.", num); | |
2847920a MS |
674 | |
675 | if (!thread_alive (tp)) | |
676 | error ("Thread ID %d has terminated.\n", num); | |
25286543 | 677 | |
c889a1eb | 678 | switch_to_thread (tp->pid); |
65b07ddc | 679 | |
4ff5d55a MH |
680 | if (context_hook) |
681 | context_hook (num); | |
65b07ddc DT |
682 | |
683 | printf_filtered ("[Switching to thread %d (%s)]\n", | |
684 | pid_to_thread_id (inferior_pid), | |
685 | #if defined(HPUXHPPA) | |
686 | target_tid_to_str (inferior_pid) | |
687 | #else | |
688 | target_pid_to_str (inferior_pid) | |
689 | #endif | |
690 | ); | |
25286543 SG |
691 | print_stack_frame (selected_frame, selected_frame_level, 1); |
692 | } | |
693 | ||
c889a1eb MS |
694 | /* Commands with a prefix of `thread'. */ |
695 | struct cmd_list_element *thread_cmd_list = NULL; | |
696 | ||
25286543 SG |
697 | void |
698 | _initialize_thread () | |
699 | { | |
5090e82c SG |
700 | static struct cmd_list_element *thread_apply_list = NULL; |
701 | extern struct cmd_list_element *cmdlist; | |
702 | ||
25286543 SG |
703 | add_info ("threads", info_threads_command, |
704 | "IDs of currently known threads."); | |
5090e82c SG |
705 | |
706 | add_prefix_cmd ("thread", class_run, thread_command, | |
707 | "Use this command to switch between threads.\n\ | |
708 | The new thread ID must be currently known.", &thread_cmd_list, "thread ", 1, | |
709 | &cmdlist); | |
710 | ||
711 | add_prefix_cmd ("apply", class_run, thread_apply_command, | |
712 | "Apply a command to a list of threads.", | |
713 | &thread_apply_list, "apply ", 1, &thread_cmd_list); | |
714 | ||
715 | add_cmd ("all", class_run, thread_apply_all_command, | |
716 | "Apply a command to all threads.", | |
717 | &thread_apply_list); | |
718 | ||
65b07ddc DT |
719 | if (!xdb_commands) |
720 | add_com_alias ("t", "thread", class_run, 1); | |
25286543 | 721 | } |