Commit | Line | Data |
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c906108c | 1 | /* Multi-process/thread control for GDB, the GNU debugger. |
8926118c | 2 | |
e2882c85 | 3 | Copyright (C) 1986-2018 Free Software Foundation, Inc. |
8926118c | 4 | |
b6ba6518 | 5 | Contributed by Lynx Real-Time Systems, Inc. Los Gatos, CA. |
c906108c | 6 | |
c5aa993b | 7 | This file is part of GDB. |
c906108c | 8 | |
c5aa993b JM |
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 | |
a9762ec7 | 11 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 12 | (at your option) any later version. |
c906108c | 13 | |
c5aa993b JM |
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. | |
c906108c | 18 | |
c5aa993b | 19 | You should have received a copy of the GNU General Public License |
a9762ec7 | 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
21 | |
22 | #include "defs.h" | |
23 | #include "symtab.h" | |
24 | #include "frame.h" | |
25 | #include "inferior.h" | |
26 | #include "environ.h" | |
27 | #include "value.h" | |
28 | #include "target.h" | |
29 | #include "gdbthread.h" | |
30 | #include "command.h" | |
31 | #include "gdbcmd.h" | |
4e052eda | 32 | #include "regcache.h" |
02d27625 | 33 | #include "btrace.h" |
c906108c SS |
34 | |
35 | #include <ctype.h> | |
36 | #include <sys/types.h> | |
37 | #include <signal.h> | |
8b93c638 | 38 | #include "ui-out.h" |
76727919 | 39 | #include "observable.h" |
d4fc5b1e | 40 | #include "annotate.h" |
94cc34af | 41 | #include "cli/cli-decode.h" |
60f98dde | 42 | #include "gdb_regex.h" |
aea5b279 | 43 | #include "cli/cli-utils.h" |
243a9253 | 44 | #include "thread-fsm.h" |
5d5658a1 | 45 | #include "tid-parse.h" |
c6609450 | 46 | #include <algorithm> |
f8cc3da6 | 47 | #include "common/gdb_optional.h" |
94cc34af | 48 | |
c378eb4e | 49 | /* Definition of struct thread_info exported to gdbthread.h. */ |
c906108c | 50 | |
c378eb4e | 51 | /* Prototypes for local functions. */ |
c906108c | 52 | |
e5ef252a | 53 | struct thread_info *thread_list = NULL; |
c906108c SS |
54 | static int highest_thread_num; |
55 | ||
b57bacec PA |
56 | /* True if any thread is, or may be executing. We need to track this |
57 | separately because until we fully sync the thread list, we won't | |
58 | know whether the target is fully stopped, even if we see stop | |
59 | events for all known threads, because any of those threads may have | |
60 | spawned new threads we haven't heard of yet. */ | |
61 | static int threads_executing; | |
62 | ||
a14ed312 | 63 | static int thread_alive (struct thread_info *); |
c906108c | 64 | |
c6609450 PA |
65 | /* RAII type used to increase / decrease the refcount of each thread |
66 | in a given list of threads. */ | |
054e8d9e | 67 | |
c6609450 | 68 | class scoped_inc_dec_ref |
054e8d9e | 69 | { |
c6609450 PA |
70 | public: |
71 | explicit scoped_inc_dec_ref (const std::vector<thread_info *> &thrds) | |
72 | : m_thrds (thrds) | |
73 | { | |
74 | for (thread_info *thr : m_thrds) | |
75 | thr->incref (); | |
76 | } | |
054e8d9e | 77 | |
c6609450 PA |
78 | ~scoped_inc_dec_ref () |
79 | { | |
80 | for (thread_info *thr : m_thrds) | |
81 | thr->decref (); | |
82 | } | |
83 | ||
84 | private: | |
85 | const std::vector<thread_info *> &m_thrds; | |
054e8d9e AA |
86 | }; |
87 | ||
88 | ||
a5321aa4 | 89 | struct thread_info* |
4e1c45ea | 90 | inferior_thread (void) |
8601f500 | 91 | { |
e09875d4 | 92 | struct thread_info *tp = find_thread_ptid (inferior_ptid); |
4e1c45ea PA |
93 | gdb_assert (tp); |
94 | return tp; | |
95 | } | |
8601f500 | 96 | |
5b834a0a PA |
97 | /* Delete the breakpoint pointed at by BP_P, if there's one. */ |
98 | ||
99 | static void | |
100 | delete_thread_breakpoint (struct breakpoint **bp_p) | |
4e1c45ea | 101 | { |
5b834a0a | 102 | if (*bp_p != NULL) |
8601f500 | 103 | { |
5b834a0a PA |
104 | delete_breakpoint (*bp_p); |
105 | *bp_p = NULL; | |
8601f500 MS |
106 | } |
107 | } | |
108 | ||
5b834a0a PA |
109 | void |
110 | delete_step_resume_breakpoint (struct thread_info *tp) | |
111 | { | |
112 | if (tp != NULL) | |
113 | delete_thread_breakpoint (&tp->control.step_resume_breakpoint); | |
114 | } | |
115 | ||
186c406b TT |
116 | void |
117 | delete_exception_resume_breakpoint (struct thread_info *tp) | |
118 | { | |
5b834a0a PA |
119 | if (tp != NULL) |
120 | delete_thread_breakpoint (&tp->control.exception_resume_breakpoint); | |
121 | } | |
122 | ||
34b7e8a6 PA |
123 | /* See gdbthread.h. */ |
124 | ||
125 | void | |
126 | delete_single_step_breakpoints (struct thread_info *tp) | |
127 | { | |
128 | if (tp != NULL) | |
129 | delete_thread_breakpoint (&tp->control.single_step_breakpoints); | |
130 | } | |
131 | ||
5b834a0a PA |
132 | /* Delete the breakpoint pointed at by BP_P at the next stop, if |
133 | there's one. */ | |
134 | ||
135 | static void | |
136 | delete_at_next_stop (struct breakpoint **bp) | |
137 | { | |
138 | if (*bp != NULL) | |
186c406b | 139 | { |
5b834a0a PA |
140 | (*bp)->disposition = disp_del_at_next_stop; |
141 | *bp = NULL; | |
186c406b TT |
142 | } |
143 | } | |
144 | ||
34b7e8a6 PA |
145 | /* See gdbthread.h. */ |
146 | ||
147 | int | |
148 | thread_has_single_step_breakpoints_set (struct thread_info *tp) | |
149 | { | |
150 | return tp->control.single_step_breakpoints != NULL; | |
151 | } | |
152 | ||
153 | /* See gdbthread.h. */ | |
154 | ||
155 | int | |
156 | thread_has_single_step_breakpoint_here (struct thread_info *tp, | |
accd0bcd | 157 | const address_space *aspace, |
34b7e8a6 PA |
158 | CORE_ADDR addr) |
159 | { | |
160 | struct breakpoint *ss_bps = tp->control.single_step_breakpoints; | |
161 | ||
162 | return (ss_bps != NULL | |
163 | && breakpoint_has_location_inserted_here (ss_bps, aspace, addr)); | |
164 | } | |
165 | ||
243a9253 PA |
166 | /* See gdbthread.h. */ |
167 | ||
168 | void | |
169 | thread_cancel_execution_command (struct thread_info *thr) | |
170 | { | |
171 | if (thr->thread_fsm != NULL) | |
172 | { | |
8980e177 | 173 | thread_fsm_clean_up (thr->thread_fsm, thr); |
243a9253 PA |
174 | thread_fsm_delete (thr->thread_fsm); |
175 | thr->thread_fsm = NULL; | |
176 | } | |
177 | } | |
178 | ||
7c952b6d | 179 | static void |
4f8d22e3 | 180 | clear_thread_inferior_resources (struct thread_info *tp) |
7c952b6d ND |
181 | { |
182 | /* NOTE: this will take care of any left-over step_resume breakpoints, | |
4d8453a5 DJ |
183 | but not any user-specified thread-specific breakpoints. We can not |
184 | delete the breakpoint straight-off, because the inferior might not | |
185 | be stopped at the moment. */ | |
5b834a0a PA |
186 | delete_at_next_stop (&tp->control.step_resume_breakpoint); |
187 | delete_at_next_stop (&tp->control.exception_resume_breakpoint); | |
34b7e8a6 | 188 | delete_at_next_stop (&tp->control.single_step_breakpoints); |
186c406b | 189 | |
5d5658a1 | 190 | delete_longjmp_breakpoint_at_next_stop (tp->global_num); |
f59f708a | 191 | |
16c381f0 | 192 | bpstat_clear (&tp->control.stop_bpstat); |
95e54da7 | 193 | |
02d27625 MM |
194 | btrace_teardown (tp); |
195 | ||
243a9253 | 196 | thread_cancel_execution_command (tp); |
4f8d22e3 PA |
197 | } |
198 | ||
803bdfe4 YQ |
199 | /* Set the TP's state as exited. */ |
200 | ||
201 | static void | |
202 | set_thread_exited (thread_info *tp, int silent) | |
203 | { | |
204 | /* Dead threads don't need to step-over. Remove from queue. */ | |
205 | if (tp->step_over_next != NULL) | |
206 | thread_step_over_chain_remove (tp); | |
207 | ||
208 | if (tp->state != THREAD_EXITED) | |
209 | { | |
76727919 | 210 | gdb::observers::thread_exit.notify (tp, silent); |
803bdfe4 YQ |
211 | |
212 | /* Tag it as exited. */ | |
213 | tp->state = THREAD_EXITED; | |
214 | ||
215 | /* Clear breakpoints, etc. associated with this thread. */ | |
216 | clear_thread_inferior_resources (tp); | |
217 | } | |
218 | } | |
219 | ||
c906108c | 220 | void |
fba45db2 | 221 | init_thread_list (void) |
c906108c | 222 | { |
00431a78 | 223 | struct thread_info *tp, *tmp; |
c906108c | 224 | |
7c952b6d | 225 | highest_thread_num = 0; |
8ea051c5 | 226 | |
00431a78 | 227 | ALL_THREADS_SAFE (tp, tmp) |
c906108c | 228 | { |
803bdfe4 YQ |
229 | if (tp->deletable ()) |
230 | delete tp; | |
231 | else | |
232 | set_thread_exited (tp, 1); | |
c906108c SS |
233 | } |
234 | ||
235 | thread_list = NULL; | |
b57bacec | 236 | threads_executing = 0; |
c906108c SS |
237 | } |
238 | ||
5d5658a1 PA |
239 | /* Allocate a new thread of inferior INF with target id PTID and add |
240 | it to the thread list. */ | |
e58b0e63 PA |
241 | |
242 | static struct thread_info * | |
5d5658a1 | 243 | new_thread (struct inferior *inf, ptid_t ptid) |
e58b0e63 | 244 | { |
12316564 | 245 | thread_info *tp = new thread_info (inf, ptid); |
b05b1202 PA |
246 | |
247 | if (thread_list == NULL) | |
248 | thread_list = tp; | |
249 | else | |
250 | { | |
251 | struct thread_info *last; | |
252 | ||
253 | for (last = thread_list; last->next != NULL; last = last->next) | |
254 | ; | |
255 | last->next = tp; | |
256 | } | |
e58b0e63 | 257 | |
e58b0e63 PA |
258 | return tp; |
259 | } | |
260 | ||
0d06e24b | 261 | struct thread_info * |
93815fbf | 262 | add_thread_silent (ptid_t ptid) |
c906108c SS |
263 | { |
264 | struct thread_info *tp; | |
5d5658a1 PA |
265 | struct inferior *inf = find_inferior_ptid (ptid); |
266 | gdb_assert (inf != NULL); | |
c906108c | 267 | |
e09875d4 | 268 | tp = find_thread_ptid (ptid); |
4f8d22e3 PA |
269 | if (tp) |
270 | /* Found an old thread with the same id. It has to be dead, | |
271 | otherwise we wouldn't be adding a new thread with the same id. | |
272 | The OS is reusing this id --- delete it, and recreate a new | |
273 | one. */ | |
274 | { | |
275 | /* In addition to deleting the thread, if this is the current | |
dcf4fbde PA |
276 | thread, then we need to take care that delete_thread doesn't |
277 | really delete the thread if it is inferior_ptid. Create a | |
278 | new template thread in the list with an invalid ptid, switch | |
279 | to it, delete the original thread, reset the new thread's | |
280 | ptid, and switch to it. */ | |
4f8d22e3 | 281 | |
9295a5a9 | 282 | if (inferior_ptid == ptid) |
4f8d22e3 | 283 | { |
00431a78 | 284 | thread_info *new_thr = new_thread (inf, null_ptid); |
dcf4fbde PA |
285 | |
286 | /* Make switch_to_thread not read from the thread. */ | |
00431a78 PA |
287 | new_thr->state = THREAD_EXITED; |
288 | switch_to_no_thread (); | |
4f8d22e3 PA |
289 | |
290 | /* Now we can delete it. */ | |
00431a78 | 291 | delete_thread (tp); |
4f8d22e3 | 292 | |
dcf4fbde | 293 | /* Now reset its ptid, and reswitch inferior_ptid to it. */ |
00431a78 PA |
294 | new_thr->ptid = ptid; |
295 | new_thr->state = THREAD_STOPPED; | |
296 | switch_to_thread (new_thr); | |
4f8d22e3 | 297 | |
00431a78 | 298 | gdb::observers::new_thread.notify (new_thr); |
4f8d22e3 PA |
299 | |
300 | /* All done. */ | |
00431a78 | 301 | return new_thr; |
4f8d22e3 PA |
302 | } |
303 | else | |
304 | /* Just go ahead and delete it. */ | |
00431a78 | 305 | delete_thread (tp); |
4f8d22e3 PA |
306 | } |
307 | ||
5d5658a1 | 308 | tp = new_thread (inf, ptid); |
76727919 | 309 | gdb::observers::new_thread.notify (tp); |
cfc01461 | 310 | |
0d06e24b | 311 | return tp; |
c906108c SS |
312 | } |
313 | ||
93815fbf | 314 | struct thread_info * |
7aabaf9d | 315 | add_thread_with_info (ptid_t ptid, private_thread_info *priv) |
93815fbf VP |
316 | { |
317 | struct thread_info *result = add_thread_silent (ptid); | |
318 | ||
7aabaf9d | 319 | result->priv.reset (priv); |
17faa917 | 320 | |
93815fbf | 321 | if (print_thread_events) |
fd532e2e | 322 | printf_unfiltered (_("[New %s]\n"), target_pid_to_str (ptid)); |
d4fc5b1e NR |
323 | |
324 | annotate_new_thread (); | |
93815fbf VP |
325 | return result; |
326 | } | |
327 | ||
17faa917 DJ |
328 | struct thread_info * |
329 | add_thread (ptid_t ptid) | |
330 | { | |
331 | return add_thread_with_info (ptid, NULL); | |
332 | } | |
333 | ||
7aabaf9d SM |
334 | private_thread_info::~private_thread_info () = default; |
335 | ||
12316564 YQ |
336 | thread_info::thread_info (struct inferior *inf_, ptid_t ptid_) |
337 | : ptid (ptid_), inf (inf_) | |
338 | { | |
339 | gdb_assert (inf_ != NULL); | |
340 | ||
341 | this->global_num = ++highest_thread_num; | |
342 | this->per_inf_num = ++inf_->highest_thread_num; | |
343 | ||
344 | /* Nothing to follow yet. */ | |
345 | memset (&this->pending_follow, 0, sizeof (this->pending_follow)); | |
346 | this->pending_follow.kind = TARGET_WAITKIND_SPURIOUS; | |
347 | this->suspend.waitstatus.kind = TARGET_WAITKIND_IGNORE; | |
348 | } | |
349 | ||
350 | thread_info::~thread_info () | |
351 | { | |
12316564 YQ |
352 | xfree (this->name); |
353 | } | |
354 | ||
c2829269 PA |
355 | /* Add TP to the end of the step-over chain LIST_P. */ |
356 | ||
357 | static void | |
358 | step_over_chain_enqueue (struct thread_info **list_p, struct thread_info *tp) | |
359 | { | |
360 | gdb_assert (tp->step_over_next == NULL); | |
361 | gdb_assert (tp->step_over_prev == NULL); | |
362 | ||
363 | if (*list_p == NULL) | |
364 | { | |
365 | *list_p = tp; | |
366 | tp->step_over_prev = tp->step_over_next = tp; | |
367 | } | |
368 | else | |
369 | { | |
370 | struct thread_info *head = *list_p; | |
371 | struct thread_info *tail = head->step_over_prev; | |
372 | ||
373 | tp->step_over_prev = tail; | |
374 | tp->step_over_next = head; | |
375 | head->step_over_prev = tp; | |
376 | tail->step_over_next = tp; | |
377 | } | |
378 | } | |
379 | ||
380 | /* Remove TP from step-over chain LIST_P. */ | |
381 | ||
382 | static void | |
383 | step_over_chain_remove (struct thread_info **list_p, struct thread_info *tp) | |
384 | { | |
385 | gdb_assert (tp->step_over_next != NULL); | |
386 | gdb_assert (tp->step_over_prev != NULL); | |
387 | ||
388 | if (*list_p == tp) | |
389 | { | |
390 | if (tp == tp->step_over_next) | |
391 | *list_p = NULL; | |
392 | else | |
393 | *list_p = tp->step_over_next; | |
394 | } | |
395 | ||
396 | tp->step_over_prev->step_over_next = tp->step_over_next; | |
397 | tp->step_over_next->step_over_prev = tp->step_over_prev; | |
398 | tp->step_over_prev = tp->step_over_next = NULL; | |
399 | } | |
400 | ||
401 | /* See gdbthread.h. */ | |
402 | ||
403 | struct thread_info * | |
404 | thread_step_over_chain_next (struct thread_info *tp) | |
405 | { | |
406 | struct thread_info *next = tp->step_over_next; | |
407 | ||
408 | return (next == step_over_queue_head ? NULL : next); | |
409 | } | |
410 | ||
411 | /* See gdbthread.h. */ | |
412 | ||
413 | int | |
414 | thread_is_in_step_over_chain (struct thread_info *tp) | |
415 | { | |
416 | return (tp->step_over_next != NULL); | |
417 | } | |
418 | ||
419 | /* See gdbthread.h. */ | |
420 | ||
421 | void | |
422 | thread_step_over_chain_enqueue (struct thread_info *tp) | |
423 | { | |
424 | step_over_chain_enqueue (&step_over_queue_head, tp); | |
425 | } | |
426 | ||
427 | /* See gdbthread.h. */ | |
428 | ||
429 | void | |
430 | thread_step_over_chain_remove (struct thread_info *tp) | |
431 | { | |
432 | step_over_chain_remove (&step_over_queue_head, tp); | |
433 | } | |
434 | ||
00431a78 | 435 | /* Delete thread TP. If SILENT, don't notify the observer of this |
5e0b29c1 | 436 | exit. */ |
00431a78 | 437 | |
5e0b29c1 | 438 | static void |
00431a78 | 439 | delete_thread_1 (thread_info *thr, bool silent) |
c906108c SS |
440 | { |
441 | struct thread_info *tp, *tpprev; | |
442 | ||
443 | tpprev = NULL; | |
444 | ||
445 | for (tp = thread_list; tp; tpprev = tp, tp = tp->next) | |
00431a78 | 446 | if (tp == thr) |
c906108c SS |
447 | break; |
448 | ||
449 | if (!tp) | |
450 | return; | |
451 | ||
803bdfe4 | 452 | set_thread_exited (tp, silent); |
c2829269 | 453 | |
803bdfe4 | 454 | if (!tp->deletable ()) |
8c25b497 | 455 | { |
4f8d22e3 PA |
456 | /* Will be really deleted some other time. */ |
457 | return; | |
458 | } | |
459 | ||
c906108c SS |
460 | if (tpprev) |
461 | tpprev->next = tp->next; | |
462 | else | |
463 | thread_list = tp->next; | |
464 | ||
12316564 | 465 | delete tp; |
c906108c SS |
466 | } |
467 | ||
00431a78 PA |
468 | /* Delete thread THREAD and notify of thread exit. If this is the |
469 | current thread, don't actually delete it, but tag it as exited and | |
470 | do the notification. If this is the user selected thread, clear | |
4f8d22e3 | 471 | it. */ |
00431a78 | 472 | |
5e0b29c1 | 473 | void |
00431a78 | 474 | delete_thread (thread_info *thread) |
5e0b29c1 | 475 | { |
00431a78 | 476 | delete_thread_1 (thread, false /* not silent */); |
5e0b29c1 PA |
477 | } |
478 | ||
479 | void | |
00431a78 | 480 | delete_thread_silent (thread_info *thread) |
5e0b29c1 | 481 | { |
00431a78 | 482 | delete_thread_1 (thread, true /* silent */); |
5e0b29c1 PA |
483 | } |
484 | ||
1e92afda | 485 | struct thread_info * |
5d5658a1 | 486 | find_thread_global_id (int global_id) |
c906108c SS |
487 | { |
488 | struct thread_info *tp; | |
489 | ||
490 | for (tp = thread_list; tp; tp = tp->next) | |
5d5658a1 PA |
491 | if (tp->global_num == global_id) |
492 | return tp; | |
493 | ||
494 | return NULL; | |
495 | } | |
496 | ||
497 | static struct thread_info * | |
498 | find_thread_id (struct inferior *inf, int thr_num) | |
499 | { | |
500 | struct thread_info *tp; | |
501 | ||
502 | for (tp = thread_list; tp; tp = tp->next) | |
503 | if (tp->inf == inf && tp->per_inf_num == thr_num) | |
c906108c SS |
504 | return tp; |
505 | ||
506 | return NULL; | |
507 | } | |
508 | ||
39f77062 | 509 | /* Find a thread_info by matching PTID. */ |
e04ee09e | 510 | |
0d06e24b | 511 | struct thread_info * |
e09875d4 | 512 | find_thread_ptid (ptid_t ptid) |
0d06e24b JM |
513 | { |
514 | struct thread_info *tp; | |
515 | ||
516 | for (tp = thread_list; tp; tp = tp->next) | |
9295a5a9 | 517 | if (tp->ptid == ptid) |
0d06e24b JM |
518 | return tp; |
519 | ||
520 | return NULL; | |
521 | } | |
522 | ||
e04ee09e KB |
523 | /* See gdbthread.h. */ |
524 | ||
525 | struct thread_info * | |
526 | find_thread_by_handle (struct value *thread_handle, struct inferior *inf) | |
527 | { | |
528 | return target_thread_handle_to_thread_info | |
529 | (value_contents_all (thread_handle), | |
530 | TYPE_LENGTH (value_type (thread_handle)), | |
531 | inf); | |
532 | } | |
533 | ||
0d06e24b JM |
534 | /* |
535 | * Thread iterator function. | |
536 | * | |
537 | * Calls a callback function once for each thread, so long as | |
538 | * the callback function returns false. If the callback function | |
539 | * returns true, the iteration will end and the current thread | |
ae0eee42 | 540 | * will be returned. This can be useful for implementing a |
0d06e24b JM |
541 | * search for a thread with arbitrary attributes, or for applying |
542 | * some operation to every thread. | |
543 | * | |
ae0eee42 | 544 | * FIXME: some of the existing functionality, such as |
0d06e24b JM |
545 | * "Thread apply all", might be rewritten using this functionality. |
546 | */ | |
547 | ||
548 | struct thread_info * | |
fd118b61 KB |
549 | iterate_over_threads (int (*callback) (struct thread_info *, void *), |
550 | void *data) | |
0d06e24b | 551 | { |
4f8d22e3 | 552 | struct thread_info *tp, *next; |
0d06e24b | 553 | |
4f8d22e3 PA |
554 | for (tp = thread_list; tp; tp = next) |
555 | { | |
556 | next = tp->next; | |
557 | if ((*callback) (tp, data)) | |
558 | return tp; | |
559 | } | |
0d06e24b JM |
560 | |
561 | return NULL; | |
562 | } | |
563 | ||
20874c92 VP |
564 | int |
565 | thread_count (void) | |
566 | { | |
567 | int result = 0; | |
568 | struct thread_info *tp; | |
569 | ||
570 | for (tp = thread_list; tp; tp = tp->next) | |
571 | ++result; | |
572 | ||
ae0eee42 | 573 | return result; |
20874c92 VP |
574 | } |
575 | ||
c6609450 PA |
576 | /* Return the number of non-exited threads in the thread list. */ |
577 | ||
578 | static int | |
579 | live_threads_count (void) | |
580 | { | |
581 | int result = 0; | |
582 | struct thread_info *tp; | |
583 | ||
584 | ALL_NON_EXITED_THREADS (tp) | |
585 | ++result; | |
586 | ||
587 | return result; | |
588 | } | |
589 | ||
c906108c | 590 | int |
5d5658a1 | 591 | valid_global_thread_id (int global_id) |
c906108c SS |
592 | { |
593 | struct thread_info *tp; | |
594 | ||
595 | for (tp = thread_list; tp; tp = tp->next) | |
5d5658a1 | 596 | if (tp->global_num == global_id) |
c906108c SS |
597 | return 1; |
598 | ||
599 | return 0; | |
600 | } | |
601 | ||
c906108c | 602 | int |
39f77062 | 603 | in_thread_list (ptid_t ptid) |
c906108c SS |
604 | { |
605 | struct thread_info *tp; | |
606 | ||
607 | for (tp = thread_list; tp; tp = tp->next) | |
9295a5a9 | 608 | if (tp->ptid == ptid) |
c906108c SS |
609 | return 1; |
610 | ||
c378eb4e | 611 | return 0; /* Never heard of 'im. */ |
c906108c | 612 | } |
8926118c | 613 | |
00431a78 | 614 | /* Finds the first thread of the inferior. */ |
bad34192 | 615 | |
00431a78 PA |
616 | thread_info * |
617 | first_thread_of_inferior (inferior *inf) | |
bad34192 PA |
618 | { |
619 | struct thread_info *tp, *ret = NULL; | |
620 | ||
621 | for (tp = thread_list; tp; tp = tp->next) | |
00431a78 | 622 | if (tp->inf == inf) |
5d5658a1 | 623 | if (ret == NULL || tp->global_num < ret->global_num) |
bad34192 PA |
624 | ret = tp; |
625 | ||
626 | return ret; | |
627 | } | |
628 | ||
00431a78 PA |
629 | thread_info * |
630 | any_thread_of_inferior (inferior *inf) | |
2277426b PA |
631 | { |
632 | struct thread_info *tp; | |
633 | ||
00431a78 | 634 | gdb_assert (inf->pid != 0); |
32990ada PA |
635 | |
636 | /* Prefer the current thread. */ | |
00431a78 | 637 | if (inf == current_inferior ()) |
32990ada PA |
638 | return inferior_thread (); |
639 | ||
640 | ALL_NON_EXITED_THREADS (tp) | |
00431a78 | 641 | if (tp->inf == inf) |
2277426b PA |
642 | return tp; |
643 | ||
644 | return NULL; | |
645 | } | |
646 | ||
00431a78 PA |
647 | thread_info * |
648 | any_live_thread_of_inferior (inferior *inf) | |
6c95b8df | 649 | { |
32990ada | 650 | struct thread_info *curr_tp = NULL; |
6c95b8df | 651 | struct thread_info *tp; |
9941e0c5 | 652 | struct thread_info *tp_executing = NULL; |
6c95b8df | 653 | |
00431a78 | 654 | gdb_assert (inf != NULL && inf->pid != 0); |
32990ada PA |
655 | |
656 | /* Prefer the current thread if it's not executing. */ | |
00431a78 | 657 | if (inferior_ptid != null_ptid && current_inferior () == inf) |
32990ada PA |
658 | { |
659 | /* If the current thread is dead, forget it. If it's not | |
660 | executing, use it. Otherwise, still choose it (below), but | |
661 | only if no other non-executing thread is found. */ | |
662 | curr_tp = inferior_thread (); | |
663 | if (curr_tp->state == THREAD_EXITED) | |
664 | curr_tp = NULL; | |
665 | else if (!curr_tp->executing) | |
666 | return curr_tp; | |
667 | } | |
668 | ||
669 | ALL_NON_EXITED_THREADS (tp) | |
00431a78 | 670 | if (tp->inf == inf) |
6c95b8df | 671 | { |
32990ada | 672 | if (!tp->executing) |
6c95b8df | 673 | return tp; |
32990ada PA |
674 | |
675 | tp_executing = tp; | |
6c95b8df PA |
676 | } |
677 | ||
32990ada PA |
678 | /* If both the current thread and all live threads are executing, |
679 | prefer the current thread. */ | |
680 | if (curr_tp != NULL) | |
681 | return curr_tp; | |
682 | ||
683 | /* Otherwise, just return an executing thread, if any. */ | |
9941e0c5 | 684 | return tp_executing; |
6c95b8df PA |
685 | } |
686 | ||
c378eb4e | 687 | /* Return true if TP is an active thread. */ |
c906108c | 688 | static int |
fba45db2 | 689 | thread_alive (struct thread_info *tp) |
c906108c | 690 | { |
30596231 | 691 | if (tp->state == THREAD_EXITED) |
c906108c | 692 | return 0; |
39f77062 | 693 | if (!target_thread_alive (tp->ptid)) |
4f8d22e3 | 694 | return 0; |
c906108c SS |
695 | return 1; |
696 | } | |
697 | ||
e8032dde PA |
698 | /* See gdbthreads.h. */ |
699 | ||
700 | void | |
fba45db2 | 701 | prune_threads (void) |
c906108c | 702 | { |
8a06aea7 | 703 | struct thread_info *tp, *tmp; |
c906108c | 704 | |
8a06aea7 | 705 | ALL_THREADS_SAFE (tp, tmp) |
c906108c | 706 | { |
c906108c | 707 | if (!thread_alive (tp)) |
00431a78 | 708 | delete_thread (tp); |
c906108c SS |
709 | } |
710 | } | |
711 | ||
8a06aea7 PA |
712 | /* See gdbthreads.h. */ |
713 | ||
714 | void | |
715 | delete_exited_threads (void) | |
716 | { | |
717 | struct thread_info *tp, *tmp; | |
718 | ||
719 | ALL_THREADS_SAFE (tp, tmp) | |
720 | { | |
721 | if (tp->state == THREAD_EXITED) | |
00431a78 | 722 | delete_thread (tp); |
8a06aea7 PA |
723 | } |
724 | } | |
725 | ||
fdf07f3a | 726 | /* Return true value if stack temporaies are enabled for the thread |
00431a78 | 727 | TP. */ |
6c659fc2 | 728 | |
fdf07f3a | 729 | bool |
00431a78 | 730 | thread_stack_temporaries_enabled_p (thread_info *tp) |
6c659fc2 | 731 | { |
6c659fc2 | 732 | if (tp == NULL) |
fdf07f3a | 733 | return false; |
6c659fc2 SC |
734 | else |
735 | return tp->stack_temporaries_enabled; | |
736 | } | |
737 | ||
738 | /* Push V on to the stack temporaries of the thread with id PTID. */ | |
739 | ||
740 | void | |
00431a78 | 741 | push_thread_stack_temporary (thread_info *tp, struct value *v) |
6c659fc2 | 742 | { |
6c659fc2 | 743 | gdb_assert (tp != NULL && tp->stack_temporaries_enabled); |
fdf07f3a | 744 | tp->stack_temporaries.push_back (v); |
6c659fc2 SC |
745 | } |
746 | ||
fdf07f3a | 747 | /* Return true if VAL is among the stack temporaries of the thread |
00431a78 | 748 | TP. Return false otherwise. */ |
6c659fc2 | 749 | |
fdf07f3a | 750 | bool |
00431a78 | 751 | value_in_thread_stack_temporaries (struct value *val, thread_info *tp) |
6c659fc2 | 752 | { |
6c659fc2 | 753 | gdb_assert (tp != NULL && tp->stack_temporaries_enabled); |
52941706 | 754 | for (value *v : tp->stack_temporaries) |
fdf07f3a TT |
755 | if (v == val) |
756 | return true; | |
6c659fc2 | 757 | |
fdf07f3a | 758 | return false; |
6c659fc2 SC |
759 | } |
760 | ||
761 | /* Return the last of the stack temporaries for thread with id PTID. | |
762 | Return NULL if there are no stack temporaries for the thread. */ | |
763 | ||
00431a78 PA |
764 | value * |
765 | get_last_thread_stack_temporary (thread_info *tp) | |
6c659fc2 SC |
766 | { |
767 | struct value *lastval = NULL; | |
6c659fc2 SC |
768 | |
769 | gdb_assert (tp != NULL); | |
fdf07f3a TT |
770 | if (!tp->stack_temporaries.empty ()) |
771 | lastval = tp->stack_temporaries.back (); | |
6c659fc2 SC |
772 | |
773 | return lastval; | |
774 | } | |
775 | ||
5231c1fd PA |
776 | void |
777 | thread_change_ptid (ptid_t old_ptid, ptid_t new_ptid) | |
778 | { | |
82f73884 PA |
779 | struct inferior *inf; |
780 | struct thread_info *tp; | |
781 | ||
782 | /* It can happen that what we knew as the target inferior id | |
783 | changes. E.g, target remote may only discover the remote process | |
784 | pid after adding the inferior to GDB's list. */ | |
c9657e70 | 785 | inf = find_inferior_ptid (old_ptid); |
e99b03dc | 786 | inf->pid = new_ptid.pid (); |
82f73884 | 787 | |
e09875d4 | 788 | tp = find_thread_ptid (old_ptid); |
5231c1fd PA |
789 | tp->ptid = new_ptid; |
790 | ||
76727919 | 791 | gdb::observers::thread_ptid_changed.notify (old_ptid, new_ptid); |
5231c1fd PA |
792 | } |
793 | ||
372316f1 PA |
794 | /* See gdbthread.h. */ |
795 | ||
796 | void | |
797 | set_resumed (ptid_t ptid, int resumed) | |
798 | { | |
799 | struct thread_info *tp; | |
9295a5a9 | 800 | int all = ptid == minus_one_ptid; |
372316f1 | 801 | |
0e998d96 | 802 | if (all || ptid.is_pid ()) |
372316f1 PA |
803 | { |
804 | for (tp = thread_list; tp; tp = tp->next) | |
e99b03dc | 805 | if (all || tp->ptid.pid () == ptid.pid ()) |
372316f1 PA |
806 | tp->resumed = resumed; |
807 | } | |
808 | else | |
809 | { | |
810 | tp = find_thread_ptid (ptid); | |
811 | gdb_assert (tp != NULL); | |
812 | tp->resumed = resumed; | |
813 | } | |
814 | } | |
815 | ||
4d9d9d04 PA |
816 | /* Helper for set_running, that marks one thread either running or |
817 | stopped. */ | |
818 | ||
819 | static int | |
820 | set_running_thread (struct thread_info *tp, int running) | |
821 | { | |
822 | int started = 0; | |
823 | ||
824 | if (running && tp->state == THREAD_STOPPED) | |
825 | started = 1; | |
826 | tp->state = running ? THREAD_RUNNING : THREAD_STOPPED; | |
827 | ||
828 | if (!running) | |
829 | { | |
830 | /* If the thread is now marked stopped, remove it from | |
831 | the step-over queue, so that we don't try to resume | |
832 | it until the user wants it to. */ | |
833 | if (tp->step_over_next != NULL) | |
834 | thread_step_over_chain_remove (tp); | |
835 | } | |
836 | ||
837 | return started; | |
838 | } | |
839 | ||
00431a78 PA |
840 | /* See gdbthread.h. */ |
841 | ||
842 | void | |
843 | thread_info::set_running (bool running) | |
844 | { | |
845 | if (set_running_thread (this, running)) | |
846 | gdb::observers::target_resumed.notify (this->ptid); | |
847 | } | |
848 | ||
e1ac3328 VP |
849 | void |
850 | set_running (ptid_t ptid, int running) | |
851 | { | |
852 | struct thread_info *tp; | |
9295a5a9 | 853 | int all = ptid == minus_one_ptid; |
4d9d9d04 | 854 | int any_started = 0; |
e1ac3328 | 855 | |
ae0eee42 PA |
856 | /* We try not to notify the observer if no thread has actually changed |
857 | the running state -- merely to reduce the number of messages to | |
e1ac3328 | 858 | frontend. Frontend is supposed to handle multiple *running just fine. */ |
0e998d96 | 859 | if (all || ptid.is_pid ()) |
e1ac3328 | 860 | { |
e1ac3328 | 861 | for (tp = thread_list; tp; tp = tp->next) |
e99b03dc | 862 | if (all || tp->ptid.pid () == ptid.pid ()) |
d90e17a7 | 863 | { |
30596231 | 864 | if (tp->state == THREAD_EXITED) |
d90e17a7 | 865 | continue; |
4d9d9d04 PA |
866 | |
867 | if (set_running_thread (tp, running)) | |
d90e17a7 | 868 | any_started = 1; |
d90e17a7 | 869 | } |
e1ac3328 VP |
870 | } |
871 | else | |
872 | { | |
e09875d4 | 873 | tp = find_thread_ptid (ptid); |
4d9d9d04 | 874 | gdb_assert (tp != NULL); |
30596231 | 875 | gdb_assert (tp->state != THREAD_EXITED); |
4d9d9d04 PA |
876 | if (set_running_thread (tp, running)) |
877 | any_started = 1; | |
4f8d22e3 | 878 | } |
4d9d9d04 | 879 | if (any_started) |
76727919 | 880 | gdb::observers::target_resumed.notify (ptid); |
e1ac3328 VP |
881 | } |
882 | ||
4f8d22e3 PA |
883 | static int |
884 | is_thread_state (ptid_t ptid, enum thread_state state) | |
e1ac3328 VP |
885 | { |
886 | struct thread_info *tp; | |
887 | ||
e09875d4 | 888 | tp = find_thread_ptid (ptid); |
e1ac3328 | 889 | gdb_assert (tp); |
30596231 | 890 | return tp->state == state; |
4f8d22e3 PA |
891 | } |
892 | ||
893 | int | |
894 | is_stopped (ptid_t ptid) | |
895 | { | |
4f8d22e3 PA |
896 | return is_thread_state (ptid, THREAD_STOPPED); |
897 | } | |
898 | ||
899 | int | |
900 | is_exited (ptid_t ptid) | |
901 | { | |
4f8d22e3 PA |
902 | return is_thread_state (ptid, THREAD_EXITED); |
903 | } | |
904 | ||
905 | int | |
906 | is_running (ptid_t ptid) | |
907 | { | |
4f8d22e3 | 908 | return is_thread_state (ptid, THREAD_RUNNING); |
e1ac3328 VP |
909 | } |
910 | ||
8ea051c5 PA |
911 | int |
912 | is_executing (ptid_t ptid) | |
913 | { | |
914 | struct thread_info *tp; | |
915 | ||
e09875d4 | 916 | tp = find_thread_ptid (ptid); |
8ea051c5 | 917 | gdb_assert (tp); |
30596231 | 918 | return tp->executing; |
8ea051c5 PA |
919 | } |
920 | ||
f2ffa92b PA |
921 | /* Helper for set_executing. Set's the thread's 'executing' field |
922 | from EXECUTING, and if EXECUTING is true also clears the thread's | |
923 | stop_pc. */ | |
924 | ||
925 | static void | |
926 | set_executing_thread (thread_info *thr, bool executing) | |
927 | { | |
928 | thr->executing = executing; | |
929 | if (executing) | |
930 | thr->suspend.stop_pc = ~(CORE_ADDR) 0; | |
931 | } | |
932 | ||
8ea051c5 PA |
933 | void |
934 | set_executing (ptid_t ptid, int executing) | |
935 | { | |
936 | struct thread_info *tp; | |
9295a5a9 | 937 | int all = ptid == minus_one_ptid; |
8ea051c5 | 938 | |
0e998d96 | 939 | if (all || ptid.is_pid ()) |
8ea051c5 PA |
940 | { |
941 | for (tp = thread_list; tp; tp = tp->next) | |
e99b03dc | 942 | if (all || tp->ptid.pid () == ptid.pid ()) |
f2ffa92b | 943 | set_executing_thread (tp, executing); |
8ea051c5 PA |
944 | } |
945 | else | |
946 | { | |
e09875d4 | 947 | tp = find_thread_ptid (ptid); |
8ea051c5 | 948 | gdb_assert (tp); |
f2ffa92b | 949 | set_executing_thread (tp, executing); |
8ea051c5 | 950 | } |
b57bacec PA |
951 | |
952 | /* It only takes one running thread to spawn more threads.*/ | |
953 | if (executing) | |
954 | threads_executing = 1; | |
955 | /* Only clear the flag if the caller is telling us everything is | |
956 | stopped. */ | |
9295a5a9 | 957 | else if (minus_one_ptid == ptid) |
b57bacec PA |
958 | threads_executing = 0; |
959 | } | |
960 | ||
961 | /* See gdbthread.h. */ | |
962 | ||
963 | int | |
964 | threads_are_executing (void) | |
965 | { | |
966 | return threads_executing; | |
8ea051c5 PA |
967 | } |
968 | ||
252fbfc8 PA |
969 | void |
970 | set_stop_requested (ptid_t ptid, int stop) | |
971 | { | |
972 | struct thread_info *tp; | |
9295a5a9 | 973 | int all = ptid == minus_one_ptid; |
252fbfc8 | 974 | |
0e998d96 | 975 | if (all || ptid.is_pid ()) |
252fbfc8 PA |
976 | { |
977 | for (tp = thread_list; tp; tp = tp->next) | |
e99b03dc | 978 | if (all || tp->ptid.pid () == ptid.pid ()) |
252fbfc8 PA |
979 | tp->stop_requested = stop; |
980 | } | |
981 | else | |
982 | { | |
e09875d4 | 983 | tp = find_thread_ptid (ptid); |
252fbfc8 PA |
984 | gdb_assert (tp); |
985 | tp->stop_requested = stop; | |
986 | } | |
987 | ||
988 | /* Call the stop requested observer so other components of GDB can | |
989 | react to this request. */ | |
990 | if (stop) | |
76727919 | 991 | gdb::observers::thread_stop_requested.notify (ptid); |
252fbfc8 PA |
992 | } |
993 | ||
29f49a6a PA |
994 | void |
995 | finish_thread_state (ptid_t ptid) | |
996 | { | |
997 | struct thread_info *tp; | |
998 | int all; | |
999 | int any_started = 0; | |
1000 | ||
9295a5a9 | 1001 | all = ptid == minus_one_ptid; |
29f49a6a | 1002 | |
0e998d96 | 1003 | if (all || ptid.is_pid ()) |
29f49a6a PA |
1004 | { |
1005 | for (tp = thread_list; tp; tp = tp->next) | |
1006 | { | |
ae0eee42 PA |
1007 | if (tp->state == THREAD_EXITED) |
1008 | continue; | |
e99b03dc | 1009 | if (all || ptid.pid () == tp->ptid.pid ()) |
29f49a6a | 1010 | { |
4d9d9d04 | 1011 | if (set_running_thread (tp, tp->executing)) |
29f49a6a | 1012 | any_started = 1; |
29f49a6a PA |
1013 | } |
1014 | } | |
1015 | } | |
1016 | else | |
1017 | { | |
e09875d4 | 1018 | tp = find_thread_ptid (ptid); |
29f49a6a | 1019 | gdb_assert (tp); |
30596231 | 1020 | if (tp->state != THREAD_EXITED) |
29f49a6a | 1021 | { |
4d9d9d04 | 1022 | if (set_running_thread (tp, tp->executing)) |
29f49a6a | 1023 | any_started = 1; |
29f49a6a PA |
1024 | } |
1025 | } | |
1026 | ||
1027 | if (any_started) | |
76727919 | 1028 | gdb::observers::target_resumed.notify (ptid); |
29f49a6a PA |
1029 | } |
1030 | ||
a911d87a PA |
1031 | /* See gdbthread.h. */ |
1032 | ||
1033 | void | |
1034 | validate_registers_access (void) | |
1035 | { | |
1036 | /* No selected thread, no registers. */ | |
9295a5a9 | 1037 | if (inferior_ptid == null_ptid) |
a911d87a PA |
1038 | error (_("No thread selected.")); |
1039 | ||
00431a78 PA |
1040 | thread_info *tp = inferior_thread (); |
1041 | ||
a911d87a | 1042 | /* Don't try to read from a dead thread. */ |
00431a78 | 1043 | if (tp->state == THREAD_EXITED) |
a911d87a PA |
1044 | error (_("The current thread has terminated")); |
1045 | ||
1046 | /* ... or from a spinning thread. FIXME: This isn't actually fully | |
1047 | correct. It'll allow an user-requested access (e.g., "print $pc" | |
1048 | at the prompt) when a thread is not executing for some internal | |
1049 | reason, but is marked running from the user's perspective. E.g., | |
1050 | the thread is waiting for its turn in the step-over queue. */ | |
00431a78 | 1051 | if (tp->executing) |
a911d87a PA |
1052 | error (_("Selected thread is running.")); |
1053 | } | |
1054 | ||
cf77c34e MM |
1055 | /* See gdbthread.h. */ |
1056 | ||
1057 | bool | |
00431a78 | 1058 | can_access_registers_thread (thread_info *thread) |
cf77c34e MM |
1059 | { |
1060 | /* No thread, no registers. */ | |
00431a78 | 1061 | if (thread == NULL) |
cf77c34e MM |
1062 | return false; |
1063 | ||
1064 | /* Don't try to read from a dead thread. */ | |
00431a78 | 1065 | if (thread->state == THREAD_EXITED) |
cf77c34e MM |
1066 | return false; |
1067 | ||
1068 | /* ... or from a spinning thread. FIXME: see validate_registers_access. */ | |
00431a78 | 1069 | if (thread->executing) |
cf77c34e MM |
1070 | return false; |
1071 | ||
1072 | return true; | |
1073 | } | |
1074 | ||
ce4c476a PA |
1075 | int |
1076 | pc_in_thread_step_range (CORE_ADDR pc, struct thread_info *thread) | |
1077 | { | |
1078 | return (pc >= thread->control.step_range_start | |
1079 | && pc < thread->control.step_range_end); | |
1080 | } | |
1081 | ||
5d5658a1 PA |
1082 | /* Helper for print_thread_info. Returns true if THR should be |
1083 | printed. If REQUESTED_THREADS, a list of GDB ids/ranges, is not | |
1084 | NULL, only print THR if its ID is included in the list. GLOBAL_IDS | |
1085 | is true if REQUESTED_THREADS is list of global IDs, false if a list | |
1086 | of per-inferior thread ids. If PID is not -1, only print THR if it | |
1087 | is a thread from the process PID. Otherwise, threads from all | |
1088 | attached PIDs are printed. If both REQUESTED_THREADS is not NULL | |
1089 | and PID is not -1, then the thread is printed if it belongs to the | |
1090 | specified process. Otherwise, an error is raised. */ | |
1091 | ||
1092 | static int | |
1093 | should_print_thread (const char *requested_threads, int default_inf_num, | |
1094 | int global_ids, int pid, struct thread_info *thr) | |
1095 | { | |
1096 | if (requested_threads != NULL && *requested_threads != '\0') | |
1097 | { | |
1098 | int in_list; | |
1099 | ||
1100 | if (global_ids) | |
1101 | in_list = number_is_in_list (requested_threads, thr->global_num); | |
1102 | else | |
1103 | in_list = tid_is_in_list (requested_threads, default_inf_num, | |
1104 | thr->inf->num, thr->per_inf_num); | |
1105 | if (!in_list) | |
1106 | return 0; | |
1107 | } | |
1108 | ||
e99b03dc | 1109 | if (pid != -1 && thr->ptid.pid () != pid) |
5d5658a1 PA |
1110 | { |
1111 | if (requested_threads != NULL && *requested_threads != '\0') | |
1112 | error (_("Requested thread not found in requested process")); | |
1113 | return 0; | |
1114 | } | |
1115 | ||
1116 | if (thr->state == THREAD_EXITED) | |
1117 | return 0; | |
1118 | ||
1119 | return 1; | |
1120 | } | |
1121 | ||
75acb486 PA |
1122 | /* Return the string to display in "info threads"'s "Target Id" |
1123 | column, for TP. */ | |
1124 | ||
1125 | static std::string | |
1126 | thread_target_id_str (thread_info *tp) | |
1127 | { | |
1128 | const char *target_id = target_pid_to_str (tp->ptid); | |
1129 | const char *extra_info = target_extra_thread_info (tp); | |
1130 | const char *name = tp->name != nullptr ? tp->name : target_thread_name (tp); | |
1131 | ||
1132 | if (extra_info != nullptr && name != nullptr) | |
1133 | return string_printf ("%s \"%s\" (%s)", target_id, name, extra_info); | |
1134 | else if (extra_info != nullptr) | |
1135 | return string_printf ("%s (%s)", target_id, extra_info); | |
1136 | else if (name != nullptr) | |
1137 | return string_printf ("%s \"%s\"", target_id, name); | |
1138 | else | |
1139 | return target_id; | |
1140 | } | |
1141 | ||
5d5658a1 PA |
1142 | /* Like print_thread_info, but in addition, GLOBAL_IDS indicates |
1143 | whether REQUESTED_THREADS is a list of global or per-inferior | |
1144 | thread ids. */ | |
1145 | ||
1146 | static void | |
1d12d88f | 1147 | print_thread_info_1 (struct ui_out *uiout, const char *requested_threads, |
5d5658a1 PA |
1148 | int global_ids, int pid, |
1149 | int show_global_ids) | |
c906108c SS |
1150 | { |
1151 | struct thread_info *tp; | |
5d5658a1 PA |
1152 | struct inferior *inf; |
1153 | int default_inf_num = current_inferior ()->num; | |
c906108c | 1154 | |
dc146f7c | 1155 | update_thread_list (); |
00431a78 PA |
1156 | |
1157 | /* Whether we saw any thread. */ | |
1158 | bool any_thread = false; | |
1159 | /* Whether the current thread is exited. */ | |
1160 | bool current_exited = false; | |
1161 | ||
1162 | thread_info *current_thread = (inferior_ptid != null_ptid | |
1163 | ? inferior_thread () : NULL); | |
4f8d22e3 | 1164 | |
f8cc3da6 TT |
1165 | { |
1166 | /* For backward compatibility, we make a list for MI. A table is | |
1167 | preferable for the CLI, though, because it shows table | |
1168 | headers. */ | |
1169 | gdb::optional<ui_out_emit_list> list_emitter; | |
1170 | gdb::optional<ui_out_emit_table> table_emitter; | |
1171 | ||
1172 | if (uiout->is_mi_like_p ()) | |
1173 | list_emitter.emplace (uiout, "threads"); | |
1174 | else | |
1175 | { | |
1176 | int n_threads = 0; | |
75acb486 PA |
1177 | /* The width of the "Target Id" column. Grown below to |
1178 | accommodate the largest entry. */ | |
1179 | size_t target_id_col_width = 17; | |
a7658b96 | 1180 | |
00431a78 | 1181 | ALL_THREADS (tp) |
f8cc3da6 TT |
1182 | { |
1183 | if (!should_print_thread (requested_threads, default_inf_num, | |
1184 | global_ids, pid, tp)) | |
1185 | continue; | |
a7658b96 | 1186 | |
75acb486 PA |
1187 | if (!uiout->is_mi_like_p ()) |
1188 | { | |
1189 | target_id_col_width | |
1190 | = std::max (target_id_col_width, | |
1191 | thread_target_id_str (tp).size ()); | |
1192 | } | |
1193 | ||
f8cc3da6 TT |
1194 | ++n_threads; |
1195 | } | |
a7658b96 | 1196 | |
f8cc3da6 TT |
1197 | if (n_threads == 0) |
1198 | { | |
1199 | if (requested_threads == NULL || *requested_threads == '\0') | |
1200 | uiout->message (_("No threads.\n")); | |
1201 | else | |
1202 | uiout->message (_("No threads match '%s'.\n"), | |
1203 | requested_threads); | |
1204 | return; | |
1205 | } | |
a7658b96 | 1206 | |
0d64823e | 1207 | table_emitter.emplace (uiout, show_global_ids ? 5 : 4, |
f8cc3da6 | 1208 | n_threads, "threads"); |
a7658b96 | 1209 | |
f8cc3da6 | 1210 | uiout->table_header (1, ui_left, "current", ""); |
0d64823e SM |
1211 | uiout->table_header (4, ui_left, "id-in-tg", "Id"); |
1212 | if (show_global_ids) | |
f8cc3da6 | 1213 | uiout->table_header (4, ui_left, "id", "GId"); |
75acb486 PA |
1214 | uiout->table_header (target_id_col_width, ui_left, |
1215 | "target-id", "Target Id"); | |
f8cc3da6 TT |
1216 | uiout->table_header (1, ui_left, "frame", "Frame"); |
1217 | uiout->table_body (); | |
1218 | } | |
a7658b96 | 1219 | |
f8cc3da6 | 1220 | /* We'll be switching threads temporarily. */ |
5ed8105e | 1221 | scoped_restore_current_thread restore_thread; |
8e8901c5 | 1222 | |
5ed8105e PA |
1223 | ALL_THREADS_BY_INFERIOR (inf, tp) |
1224 | { | |
1225 | int core; | |
4f8d22e3 | 1226 | |
00431a78 PA |
1227 | any_thread = true; |
1228 | if (tp == current_thread && tp->state == THREAD_EXITED) | |
1229 | current_exited = true; | |
1230 | ||
5ed8105e PA |
1231 | if (!should_print_thread (requested_threads, default_inf_num, |
1232 | global_ids, pid, tp)) | |
1233 | continue; | |
8e8901c5 | 1234 | |
5ed8105e | 1235 | ui_out_emit_tuple tuple_emitter (uiout, NULL); |
c906108c | 1236 | |
5ed8105e PA |
1237 | if (!uiout->is_mi_like_p ()) |
1238 | { | |
00431a78 | 1239 | if (tp == current_thread) |
5ed8105e PA |
1240 | uiout->field_string ("current", "*"); |
1241 | else | |
1242 | uiout->field_skip ("current"); | |
5d5658a1 | 1243 | |
0d64823e SM |
1244 | uiout->field_string ("id-in-tg", print_thread_id (tp)); |
1245 | } | |
0d06e24b | 1246 | |
5ed8105e PA |
1247 | if (show_global_ids || uiout->is_mi_like_p ()) |
1248 | uiout->field_int ("id", tp->global_num); | |
4694da01 | 1249 | |
5ed8105e PA |
1250 | /* For the CLI, we stuff everything into the target-id field. |
1251 | This is a gross hack to make the output come out looking | |
1252 | correct. The underlying problem here is that ui-out has no | |
1253 | way to specify that a field's space allocation should be | |
1254 | shared by several fields. For MI, we do the right thing | |
1255 | instead. */ | |
4694da01 | 1256 | |
5ed8105e PA |
1257 | if (uiout->is_mi_like_p ()) |
1258 | { | |
75acb486 PA |
1259 | uiout->field_string ("target-id", target_pid_to_str (tp->ptid)); |
1260 | ||
1261 | const char *extra_info = target_extra_thread_info (tp); | |
1262 | if (extra_info != nullptr) | |
5ed8105e | 1263 | uiout->field_string ("details", extra_info); |
75acb486 PA |
1264 | |
1265 | const char *name = (tp->name != nullptr | |
1266 | ? tp->name | |
1267 | : target_thread_name (tp)); | |
1268 | if (name != NULL) | |
5ed8105e PA |
1269 | uiout->field_string ("name", name); |
1270 | } | |
1271 | else | |
1272 | { | |
75acb486 PA |
1273 | uiout->field_string ("target-id", |
1274 | thread_target_id_str (tp).c_str ()); | |
5ed8105e | 1275 | } |
4f8d22e3 | 1276 | |
5ed8105e PA |
1277 | if (tp->state == THREAD_RUNNING) |
1278 | uiout->text ("(running)\n"); | |
1279 | else | |
1280 | { | |
1281 | /* The switch below puts us at the top of the stack (leaf | |
1282 | frame). */ | |
00431a78 | 1283 | switch_to_thread (tp); |
5ed8105e PA |
1284 | print_stack_frame (get_selected_frame (NULL), |
1285 | /* For MI output, print frame level. */ | |
1286 | uiout->is_mi_like_p (), | |
1287 | LOCATION, 0); | |
1288 | } | |
8e8901c5 | 1289 | |
5ed8105e PA |
1290 | if (uiout->is_mi_like_p ()) |
1291 | { | |
1292 | const char *state = "stopped"; | |
5d502164 | 1293 | |
5ed8105e PA |
1294 | if (tp->state == THREAD_RUNNING) |
1295 | state = "running"; | |
1296 | uiout->field_string ("state", state); | |
1297 | } | |
90139f7d | 1298 | |
5ed8105e PA |
1299 | core = target_core_of_thread (tp->ptid); |
1300 | if (uiout->is_mi_like_p () && core != -1) | |
1301 | uiout->field_int ("core", core); | |
f8cc3da6 | 1302 | } |
c906108c | 1303 | |
5ed8105e | 1304 | /* This end scope restores the current thread and the frame |
f8cc3da6 TT |
1305 | selected before the "info threads" command, and it finishes the |
1306 | ui-out list or table. */ | |
5ed8105e PA |
1307 | } |
1308 | ||
aea5b279 | 1309 | if (pid == -1 && requested_threads == NULL) |
8e8901c5 | 1310 | { |
00431a78 PA |
1311 | if (uiout->is_mi_like_p () && inferior_ptid != null_ptid) |
1312 | uiout->field_int ("current-thread-id", current_thread->global_num); | |
5d5658a1 | 1313 | |
00431a78 | 1314 | if (inferior_ptid != null_ptid && current_exited) |
112e8700 | 1315 | uiout->message ("\n\ |
5d5658a1 PA |
1316 | The current thread <Thread ID %s> has terminated. See `help thread'.\n", |
1317 | print_thread_id (inferior_thread ())); | |
00431a78 | 1318 | else if (any_thread && inferior_ptid == null_ptid) |
112e8700 | 1319 | uiout->message ("\n\ |
d729566a | 1320 | No selected thread. See `help thread'.\n"); |
c906108c | 1321 | } |
c906108c SS |
1322 | } |
1323 | ||
5d5658a1 | 1324 | /* See gdbthread.h. */ |
8e8901c5 | 1325 | |
5d5658a1 PA |
1326 | void |
1327 | print_thread_info (struct ui_out *uiout, char *requested_threads, int pid) | |
1328 | { | |
1329 | print_thread_info_1 (uiout, requested_threads, 1, pid, 0); | |
1330 | } | |
1331 | ||
1332 | /* Implementation of the "info threads" command. | |
60f98dde MS |
1333 | |
1334 | Note: this has the drawback that it _really_ switches | |
ae0eee42 PA |
1335 | threads, which frees the frame cache. A no-side |
1336 | effects info-threads command would be nicer. */ | |
8e8901c5 VP |
1337 | |
1338 | static void | |
1d12d88f | 1339 | info_threads_command (const char *arg, int from_tty) |
8e8901c5 | 1340 | { |
c84f6bbf PA |
1341 | int show_global_ids = 0; |
1342 | ||
1343 | if (arg != NULL | |
1344 | && check_for_argument (&arg, "-gid", sizeof ("-gid") - 1)) | |
1345 | { | |
1346 | arg = skip_spaces (arg); | |
1347 | show_global_ids = 1; | |
1348 | } | |
1349 | ||
1350 | print_thread_info_1 (current_uiout, arg, 0, -1, show_global_ids); | |
8e8901c5 VP |
1351 | } |
1352 | ||
6efcd9a8 PA |
1353 | /* See gdbthread.h. */ |
1354 | ||
1355 | void | |
1356 | switch_to_thread_no_regs (struct thread_info *thread) | |
1357 | { | |
3a3fd0fd | 1358 | struct inferior *inf = thread->inf; |
6efcd9a8 | 1359 | |
6efcd9a8 PA |
1360 | set_current_program_space (inf->pspace); |
1361 | set_current_inferior (inf); | |
1362 | ||
1363 | inferior_ptid = thread->ptid; | |
6efcd9a8 PA |
1364 | } |
1365 | ||
00431a78 | 1366 | /* See gdbthread.h. */ |
c906108c | 1367 | |
00431a78 | 1368 | void |
3a3fd0fd | 1369 | switch_to_no_thread () |
c906108c | 1370 | { |
3a3fd0fd PA |
1371 | if (inferior_ptid == null_ptid) |
1372 | return; | |
6c95b8df | 1373 | |
3a3fd0fd PA |
1374 | inferior_ptid = null_ptid; |
1375 | reinit_frame_cache (); | |
3a3fd0fd PA |
1376 | } |
1377 | ||
00431a78 | 1378 | /* See gdbthread.h. */ |
6c95b8df | 1379 | |
00431a78 | 1380 | void |
3a3fd0fd PA |
1381 | switch_to_thread (thread_info *thr) |
1382 | { | |
1383 | gdb_assert (thr != NULL); | |
1384 | ||
1385 | if (inferior_ptid == thr->ptid) | |
c906108c SS |
1386 | return; |
1387 | ||
3a3fd0fd PA |
1388 | switch_to_thread_no_regs (thr); |
1389 | ||
35f196d9 | 1390 | reinit_frame_cache (); |
c906108c SS |
1391 | } |
1392 | ||
00431a78 | 1393 | /* See common/common-gdbthread.h. */ |
3a3fd0fd PA |
1394 | |
1395 | void | |
1396 | switch_to_thread (ptid_t ptid) | |
c906108c | 1397 | { |
00431a78 PA |
1398 | thread_info *thr = find_thread_ptid (ptid); |
1399 | switch_to_thread (thr); | |
99b3d574 DP |
1400 | } |
1401 | ||
1402 | static void | |
4f8d22e3 | 1403 | restore_selected_frame (struct frame_id a_frame_id, int frame_level) |
99b3d574 | 1404 | { |
4f8d22e3 PA |
1405 | struct frame_info *frame = NULL; |
1406 | int count; | |
1407 | ||
eb8c0621 TT |
1408 | /* This means there was no selected frame. */ |
1409 | if (frame_level == -1) | |
1410 | { | |
1411 | select_frame (NULL); | |
1412 | return; | |
1413 | } | |
1414 | ||
4f8d22e3 PA |
1415 | gdb_assert (frame_level >= 0); |
1416 | ||
1417 | /* Restore by level first, check if the frame id is the same as | |
1418 | expected. If that fails, try restoring by frame id. If that | |
1419 | fails, nothing to do, just warn the user. */ | |
1420 | ||
1421 | count = frame_level; | |
1422 | frame = find_relative_frame (get_current_frame (), &count); | |
1423 | if (count == 0 | |
1424 | && frame != NULL | |
005ca36a JB |
1425 | /* The frame ids must match - either both valid or both outer_frame_id. |
1426 | The latter case is not failsafe, but since it's highly unlikely | |
4f8d22e3 PA |
1427 | the search by level finds the wrong frame, it's 99.9(9)% of |
1428 | the time (for all practical purposes) safe. */ | |
005ca36a | 1429 | && frame_id_eq (get_frame_id (frame), a_frame_id)) |
4f8d22e3 PA |
1430 | { |
1431 | /* Cool, all is fine. */ | |
1432 | select_frame (frame); | |
1433 | return; | |
1434 | } | |
99b3d574 | 1435 | |
4f8d22e3 PA |
1436 | frame = frame_find_by_id (a_frame_id); |
1437 | if (frame != NULL) | |
1438 | { | |
1439 | /* Cool, refound it. */ | |
1440 | select_frame (frame); | |
1441 | return; | |
1442 | } | |
99b3d574 | 1443 | |
0c501536 PA |
1444 | /* Nothing else to do, the frame layout really changed. Select the |
1445 | innermost stack frame. */ | |
1446 | select_frame (get_current_frame ()); | |
1447 | ||
1448 | /* Warn the user. */ | |
112e8700 | 1449 | if (frame_level > 0 && !current_uiout->is_mi_like_p ()) |
99b3d574 | 1450 | { |
3e43a32a | 1451 | warning (_("Couldn't restore frame #%d in " |
e0162910 | 1452 | "current thread. Bottom (innermost) frame selected:"), |
4f8d22e3 PA |
1453 | frame_level); |
1454 | /* For MI, we should probably have a notification about | |
1455 | current frame change. But this error is not very | |
1456 | likely, so don't bother for now. */ | |
08d72866 | 1457 | print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC, 1); |
c906108c SS |
1458 | } |
1459 | } | |
1460 | ||
5ed8105e | 1461 | scoped_restore_current_thread::~scoped_restore_current_thread () |
6ecce94d | 1462 | { |
803bdfe4 YQ |
1463 | /* If an entry of thread_info was previously selected, it won't be |
1464 | deleted because we've increased its refcount. The thread represented | |
1465 | by this thread_info entry may have already exited (due to normal exit, | |
1466 | detach, etc), so the thread_info.state is THREAD_EXITED. */ | |
5ed8105e | 1467 | if (m_thread != NULL |
803bdfe4 YQ |
1468 | /* If the previously selected thread belonged to a process that has |
1469 | in the mean time exited (or killed, detached, etc.), then don't revert | |
1470 | back to it, but instead simply drop back to no thread selected. */ | |
5ed8105e PA |
1471 | && m_inf->pid != 0) |
1472 | switch_to_thread (m_thread); | |
88fc996f | 1473 | else |
6c95b8df | 1474 | { |
3a3fd0fd | 1475 | switch_to_no_thread (); |
5ed8105e | 1476 | set_current_inferior (m_inf); |
6c95b8df | 1477 | } |
94cc34af | 1478 | |
4f8d22e3 PA |
1479 | /* The running state of the originally selected thread may have |
1480 | changed, so we have to recheck it here. */ | |
9295a5a9 | 1481 | if (inferior_ptid != null_ptid |
5ed8105e | 1482 | && m_was_stopped |
00431a78 | 1483 | && m_thread->state == THREAD_STOPPED |
4f8d22e3 PA |
1484 | && target_has_registers |
1485 | && target_has_stack | |
1486 | && target_has_memory) | |
5ed8105e | 1487 | restore_selected_frame (m_selected_frame_id, m_selected_frame_level); |
5d502164 | 1488 | |
5ed8105e PA |
1489 | if (m_thread != NULL) |
1490 | m_thread->decref (); | |
1491 | m_inf->decref (); | |
6ecce94d AC |
1492 | } |
1493 | ||
5ed8105e | 1494 | scoped_restore_current_thread::scoped_restore_current_thread () |
6ecce94d | 1495 | { |
5ed8105e PA |
1496 | m_thread = NULL; |
1497 | m_inf = current_inferior (); | |
4f8d22e3 | 1498 | |
9295a5a9 | 1499 | if (inferior_ptid != null_ptid) |
d729566a | 1500 | { |
00431a78 | 1501 | thread_info *tp = inferior_thread (); |
12316564 YQ |
1502 | struct frame_info *frame; |
1503 | ||
5ed8105e PA |
1504 | m_was_stopped = tp->state == THREAD_STOPPED; |
1505 | if (m_was_stopped | |
d729566a PA |
1506 | && target_has_registers |
1507 | && target_has_stack | |
1508 | && target_has_memory) | |
eb8c0621 TT |
1509 | { |
1510 | /* When processing internal events, there might not be a | |
1511 | selected frame. If we naively call get_selected_frame | |
1512 | here, then we can end up reading debuginfo for the | |
1513 | current frame, but we don't generally need the debuginfo | |
1514 | at this point. */ | |
1515 | frame = get_selected_frame_if_set (); | |
1516 | } | |
d729566a PA |
1517 | else |
1518 | frame = NULL; | |
4f8d22e3 | 1519 | |
5ed8105e PA |
1520 | m_selected_frame_id = get_frame_id (frame); |
1521 | m_selected_frame_level = frame_relative_level (frame); | |
d729566a | 1522 | |
f6223dbb | 1523 | tp->incref (); |
5ed8105e | 1524 | m_thread = tp; |
d729566a | 1525 | } |
4f8d22e3 | 1526 | |
5ed8105e | 1527 | m_inf->incref (); |
6ecce94d AC |
1528 | } |
1529 | ||
43792cf0 PA |
1530 | /* See gdbthread.h. */ |
1531 | ||
f303dbd6 PA |
1532 | int |
1533 | show_thread_that_caused_stop (void) | |
1534 | { | |
1535 | return highest_thread_num > 1; | |
1536 | } | |
1537 | ||
1538 | /* See gdbthread.h. */ | |
1539 | ||
5d5658a1 PA |
1540 | int |
1541 | show_inferior_qualified_tids (void) | |
1542 | { | |
1543 | return (inferior_list->next != NULL || inferior_list->num != 1); | |
1544 | } | |
1545 | ||
1546 | /* See gdbthread.h. */ | |
1547 | ||
43792cf0 PA |
1548 | const char * |
1549 | print_thread_id (struct thread_info *thr) | |
1550 | { | |
1551 | char *s = get_print_cell (); | |
1552 | ||
5d5658a1 PA |
1553 | if (show_inferior_qualified_tids ()) |
1554 | xsnprintf (s, PRINT_CELL_SIZE, "%d.%d", thr->inf->num, thr->per_inf_num); | |
1555 | else | |
1556 | xsnprintf (s, PRINT_CELL_SIZE, "%d", thr->per_inf_num); | |
43792cf0 PA |
1557 | return s; |
1558 | } | |
1559 | ||
c6609450 PA |
1560 | /* If true, tp_array_compar should sort in ascending order, otherwise |
1561 | in descending order. */ | |
253828f1 | 1562 | |
c6609450 | 1563 | static bool tp_array_compar_ascending; |
253828f1 | 1564 | |
5d5658a1 PA |
1565 | /* Sort an array for struct thread_info pointers by thread ID (first |
1566 | by inferior number, and then by per-inferior thread number). The | |
1567 | order is determined by TP_ARRAY_COMPAR_ASCENDING. */ | |
253828f1 | 1568 | |
c6609450 PA |
1569 | static bool |
1570 | tp_array_compar (const thread_info *a, const thread_info *b) | |
253828f1 | 1571 | { |
5d5658a1 PA |
1572 | if (a->inf->num != b->inf->num) |
1573 | { | |
c6609450 PA |
1574 | if (tp_array_compar_ascending) |
1575 | return a->inf->num < b->inf->num; | |
1576 | else | |
1577 | return a->inf->num > b->inf->num; | |
5d5658a1 | 1578 | } |
253828f1 | 1579 | |
c6609450 PA |
1580 | if (tp_array_compar_ascending) |
1581 | return (a->per_inf_num < b->per_inf_num); | |
1582 | else | |
1583 | return (a->per_inf_num > b->per_inf_num); | |
253828f1 JK |
1584 | } |
1585 | ||
1fe75df7 PW |
1586 | /* Switch to thread THR and execute CMD. |
1587 | FLAGS.QUIET controls the printing of the thread information. | |
1588 | FLAGS.CONT and FLAGS.SILENT control how to handle errors. */ | |
1589 | ||
1590 | static void | |
1591 | thr_try_catch_cmd (thread_info *thr, const char *cmd, int from_tty, | |
1592 | const qcs_flags &flags) | |
1593 | { | |
1594 | switch_to_thread (thr); | |
1595 | TRY | |
1596 | { | |
1597 | std::string cmd_result = execute_command_to_string (cmd, from_tty); | |
1598 | if (!flags.silent || cmd_result.length () > 0) | |
1599 | { | |
1600 | if (!flags.quiet) | |
1601 | printf_filtered (_("\nThread %s (%s):\n"), | |
1602 | print_thread_id (thr), | |
1603 | target_pid_to_str (inferior_ptid)); | |
1604 | printf_filtered ("%s", cmd_result.c_str ()); | |
1605 | } | |
1606 | } | |
1607 | CATCH (ex, RETURN_MASK_ERROR) | |
1608 | { | |
1609 | if (!flags.silent) | |
1610 | { | |
1611 | if (!flags.quiet) | |
1612 | printf_filtered (_("\nThread %s (%s):\n"), | |
1613 | print_thread_id (thr), | |
1614 | target_pid_to_str (inferior_ptid)); | |
1615 | if (flags.cont) | |
1616 | printf_filtered ("%s\n", ex.message); | |
1617 | else | |
1618 | throw_exception (ex); | |
1619 | } | |
1620 | } | |
1621 | END_CATCH; | |
1622 | } | |
1623 | ||
c906108c | 1624 | /* Apply a GDB command to a list of threads. List syntax is a whitespace |
224608c3 PW |
1625 | separated list of numbers, or ranges, or the keyword `all'. Ranges consist |
1626 | of two numbers separated by a hyphen. Examples: | |
c906108c | 1627 | |
c5aa993b JM |
1628 | thread apply 1 2 7 4 backtrace Apply backtrace cmd to threads 1,2,7,4 |
1629 | thread apply 2-7 9 p foo(1) Apply p foo(1) cmd to threads 2->7 & 9 | |
224608c3 | 1630 | thread apply all x/i $pc Apply x/i $pc cmd to all threads. */ |
c906108c SS |
1631 | |
1632 | static void | |
5fed81ff | 1633 | thread_apply_all_command (const char *cmd, int from_tty) |
c906108c | 1634 | { |
1fe75df7 PW |
1635 | qcs_flags flags; |
1636 | ||
c6609450 | 1637 | tp_array_compar_ascending = false; |
1fe75df7 PW |
1638 | |
1639 | while (cmd != NULL) | |
253828f1 | 1640 | { |
1fe75df7 PW |
1641 | if (check_for_argument (&cmd, "-ascending", strlen ("-ascending"))) |
1642 | { | |
1643 | cmd = skip_spaces (cmd); | |
1644 | tp_array_compar_ascending = true; | |
1645 | continue; | |
1646 | } | |
1647 | ||
1648 | if (parse_flags_qcs ("thread apply all", &cmd, &flags)) | |
1649 | continue; | |
1650 | ||
1651 | break; | |
253828f1 JK |
1652 | } |
1653 | ||
c906108c | 1654 | if (cmd == NULL || *cmd == '\000') |
1fe75df7 | 1655 | error (_("Please specify a command at the end of 'thread apply all'")); |
94cc34af | 1656 | |
dc146f7c | 1657 | update_thread_list (); |
e9d196c5 | 1658 | |
c6609450 | 1659 | int tc = live_threads_count (); |
a25d8bf9 | 1660 | if (tc != 0) |
054e8d9e | 1661 | { |
c6609450 PA |
1662 | /* Save a copy of the thread list and increment each thread's |
1663 | refcount while executing the command in the context of each | |
1664 | thread, in case the command is one that wipes threads. E.g., | |
1665 | detach, kill, disconnect, etc., or even normally continuing | |
1666 | over an inferior or thread exit. */ | |
1667 | std::vector<thread_info *> thr_list_cpy; | |
1668 | thr_list_cpy.reserve (tc); | |
054e8d9e | 1669 | |
c6609450 PA |
1670 | { |
1671 | thread_info *tp; | |
054e8d9e | 1672 | |
c6609450 PA |
1673 | ALL_NON_EXITED_THREADS (tp) |
1674 | { | |
1675 | thr_list_cpy.push_back (tp); | |
1676 | } | |
1677 | ||
1678 | gdb_assert (thr_list_cpy.size () == tc); | |
1679 | } | |
054e8d9e | 1680 | |
c6609450 PA |
1681 | /* Increment the refcounts, and restore them back on scope |
1682 | exit. */ | |
1683 | scoped_inc_dec_ref inc_dec_ref (thr_list_cpy); | |
253828f1 | 1684 | |
c6609450 | 1685 | std::sort (thr_list_cpy.begin (), thr_list_cpy.end (), tp_array_compar); |
054e8d9e | 1686 | |
5ed8105e PA |
1687 | scoped_restore_current_thread restore_thread; |
1688 | ||
c6609450 PA |
1689 | for (thread_info *thr : thr_list_cpy) |
1690 | if (thread_alive (thr)) | |
1fe75df7 | 1691 | thr_try_catch_cmd (thr, cmd, from_tty, flags); |
054e8d9e | 1692 | } |
c906108c SS |
1693 | } |
1694 | ||
43792cf0 PA |
1695 | /* Implementation of the "thread apply" command. */ |
1696 | ||
c906108c | 1697 | static void |
981a3fb3 | 1698 | thread_apply_command (const char *tidlist, int from_tty) |
c906108c | 1699 | { |
1fe75df7 | 1700 | qcs_flags flags; |
95a6b0a1 | 1701 | const char *cmd = NULL; |
1fe75df7 | 1702 | const char *cmd_or_flags; |
bfd28288 | 1703 | tid_range_parser parser; |
c906108c SS |
1704 | |
1705 | if (tidlist == NULL || *tidlist == '\000') | |
8a3fe4f8 | 1706 | error (_("Please specify a thread ID list")); |
c906108c | 1707 | |
bfd28288 PA |
1708 | parser.init (tidlist, current_inferior ()->num); |
1709 | while (!parser.finished ()) | |
3f5b7598 PA |
1710 | { |
1711 | int inf_num, thr_start, thr_end; | |
c906108c | 1712 | |
bfd28288 | 1713 | if (!parser.get_tid_range (&inf_num, &thr_start, &thr_end)) |
3f5b7598 | 1714 | { |
95a6b0a1 | 1715 | cmd = parser.cur_tok (); |
3f5b7598 PA |
1716 | break; |
1717 | } | |
1718 | } | |
1719 | ||
1fe75df7 PW |
1720 | cmd_or_flags = cmd; |
1721 | while (cmd != NULL && parse_flags_qcs ("thread apply", &cmd, &flags)) | |
1722 | ; | |
1723 | ||
3f5b7598 | 1724 | if (cmd == NULL) |
8a3fe4f8 | 1725 | error (_("Please specify a command following the thread ID list")); |
c906108c | 1726 | |
3f5b7598 PA |
1727 | if (tidlist == cmd || !isalpha (cmd[0])) |
1728 | invalid_thread_id_error (cmd); | |
1729 | ||
5ed8105e | 1730 | scoped_restore_current_thread restore_thread; |
c906108c | 1731 | |
bfd28288 | 1732 | parser.init (tidlist, current_inferior ()->num); |
1fe75df7 | 1733 | while (!parser.finished () && parser.cur_tok () < cmd_or_flags) |
5d5658a1 PA |
1734 | { |
1735 | struct thread_info *tp = NULL; | |
1736 | struct inferior *inf; | |
1737 | int inf_num, thr_num; | |
65fc9b77 | 1738 | |
bfd28288 | 1739 | parser.get_tid (&inf_num, &thr_num); |
5d5658a1 PA |
1740 | inf = find_inferior_id (inf_num); |
1741 | if (inf != NULL) | |
1742 | tp = find_thread_id (inf, thr_num); | |
71ef29a8 | 1743 | |
bfd28288 | 1744 | if (parser.in_star_range ()) |
71ef29a8 PA |
1745 | { |
1746 | if (inf == NULL) | |
1747 | { | |
1748 | warning (_("Unknown inferior %d"), inf_num); | |
bfd28288 | 1749 | parser.skip_range (); |
71ef29a8 PA |
1750 | continue; |
1751 | } | |
1752 | ||
1753 | /* No use looking for threads past the highest thread number | |
1754 | the inferior ever had. */ | |
1755 | if (thr_num >= inf->highest_thread_num) | |
bfd28288 | 1756 | parser.skip_range (); |
71ef29a8 PA |
1757 | |
1758 | /* Be quiet about unknown threads numbers. */ | |
1759 | if (tp == NULL) | |
1760 | continue; | |
1761 | } | |
1762 | ||
5d5658a1 PA |
1763 | if (tp == NULL) |
1764 | { | |
bfd28288 | 1765 | if (show_inferior_qualified_tids () || parser.tid_is_qualified ()) |
5d5658a1 PA |
1766 | warning (_("Unknown thread %d.%d"), inf_num, thr_num); |
1767 | else | |
1768 | warning (_("Unknown thread %d"), thr_num); | |
1769 | continue; | |
1770 | } | |
c906108c | 1771 | |
5d5658a1 | 1772 | if (!thread_alive (tp)) |
65ebfb52 | 1773 | { |
5d5658a1 PA |
1774 | warning (_("Thread %s has terminated."), print_thread_id (tp)); |
1775 | continue; | |
1776 | } | |
4f8d22e3 | 1777 | |
1fe75df7 | 1778 | thr_try_catch_cmd (tp, cmd, from_tty, flags); |
c906108c SS |
1779 | } |
1780 | } | |
1781 | ||
1fe75df7 PW |
1782 | |
1783 | /* Implementation of the "taas" command. */ | |
1784 | ||
1785 | static void | |
1786 | taas_command (const char *cmd, int from_tty) | |
1787 | { | |
1788 | std::string expanded = std::string ("thread apply all -s ") + cmd; | |
1789 | execute_command (expanded.c_str (), from_tty); | |
1790 | } | |
1791 | ||
1792 | /* Implementation of the "tfaas" command. */ | |
1793 | ||
1794 | static void | |
1795 | tfaas_command (const char *cmd, int from_tty) | |
1796 | { | |
1797 | std::string expanded | |
1798 | = std::string ("thread apply all -s frame apply all -s ") + cmd; | |
1799 | execute_command (expanded.c_str (), from_tty); | |
1800 | } | |
1801 | ||
224608c3 | 1802 | /* Switch to the specified thread, or print the current thread. */ |
c906108c | 1803 | |
f0e8c4c5 | 1804 | void |
981a3fb3 | 1805 | thread_command (const char *tidstr, int from_tty) |
c906108c | 1806 | { |
4034d0ff | 1807 | if (tidstr == NULL) |
c906108c | 1808 | { |
9295a5a9 | 1809 | if (inferior_ptid == null_ptid) |
d729566a PA |
1810 | error (_("No thread selected")); |
1811 | ||
c906108c | 1812 | if (target_has_stack) |
4f8d22e3 | 1813 | { |
43792cf0 PA |
1814 | struct thread_info *tp = inferior_thread (); |
1815 | ||
00431a78 | 1816 | if (tp->state == THREAD_EXITED) |
43792cf0 PA |
1817 | printf_filtered (_("[Current thread is %s (%s) (exited)]\n"), |
1818 | print_thread_id (tp), | |
54ba13f7 | 1819 | target_pid_to_str (inferior_ptid)); |
4f8d22e3 | 1820 | else |
43792cf0 PA |
1821 | printf_filtered (_("[Current thread is %s (%s)]\n"), |
1822 | print_thread_id (tp), | |
54ba13f7 | 1823 | target_pid_to_str (inferior_ptid)); |
4f8d22e3 | 1824 | } |
c906108c | 1825 | else |
8a3fe4f8 | 1826 | error (_("No stack.")); |
c906108c | 1827 | } |
4034d0ff AT |
1828 | else |
1829 | { | |
1830 | ptid_t previous_ptid = inferior_ptid; | |
4034d0ff | 1831 | |
65630365 | 1832 | thread_select (tidstr, parse_thread_id (tidstr, NULL)); |
c5394b80 | 1833 | |
ae0eee42 PA |
1834 | /* Print if the thread has not changed, otherwise an event will |
1835 | be sent. */ | |
9295a5a9 | 1836 | if (inferior_ptid == previous_ptid) |
4034d0ff AT |
1837 | { |
1838 | print_selected_thread_frame (current_uiout, | |
1839 | USER_SELECTED_THREAD | |
1840 | | USER_SELECTED_FRAME); | |
1841 | } | |
1842 | else | |
1843 | { | |
76727919 TT |
1844 | gdb::observers::user_selected_context_changed.notify |
1845 | (USER_SELECTED_THREAD | USER_SELECTED_FRAME); | |
4034d0ff AT |
1846 | } |
1847 | } | |
c5394b80 JM |
1848 | } |
1849 | ||
4694da01 TT |
1850 | /* Implementation of `thread name'. */ |
1851 | ||
1852 | static void | |
fc41a75b | 1853 | thread_name_command (const char *arg, int from_tty) |
4694da01 TT |
1854 | { |
1855 | struct thread_info *info; | |
1856 | ||
9295a5a9 | 1857 | if (inferior_ptid == null_ptid) |
4694da01 TT |
1858 | error (_("No thread selected")); |
1859 | ||
529480d0 | 1860 | arg = skip_spaces (arg); |
4694da01 TT |
1861 | |
1862 | info = inferior_thread (); | |
1863 | xfree (info->name); | |
1864 | info->name = arg ? xstrdup (arg) : NULL; | |
1865 | } | |
1866 | ||
60f98dde MS |
1867 | /* Find thread ids with a name, target pid, or extra info matching ARG. */ |
1868 | ||
1869 | static void | |
fc41a75b | 1870 | thread_find_command (const char *arg, int from_tty) |
60f98dde MS |
1871 | { |
1872 | struct thread_info *tp; | |
73ede765 | 1873 | const char *tmp; |
60f98dde MS |
1874 | unsigned long match = 0; |
1875 | ||
1876 | if (arg == NULL || *arg == '\0') | |
1877 | error (_("Command requires an argument.")); | |
1878 | ||
1879 | tmp = re_comp (arg); | |
1880 | if (tmp != 0) | |
1881 | error (_("Invalid regexp (%s): %s"), tmp, arg); | |
1882 | ||
1883 | update_thread_list (); | |
1884 | for (tp = thread_list; tp; tp = tp->next) | |
1885 | { | |
1886 | if (tp->name != NULL && re_exec (tp->name)) | |
1887 | { | |
43792cf0 PA |
1888 | printf_filtered (_("Thread %s has name '%s'\n"), |
1889 | print_thread_id (tp), tp->name); | |
60f98dde MS |
1890 | match++; |
1891 | } | |
1892 | ||
1893 | tmp = target_thread_name (tp); | |
1894 | if (tmp != NULL && re_exec (tmp)) | |
1895 | { | |
43792cf0 PA |
1896 | printf_filtered (_("Thread %s has target name '%s'\n"), |
1897 | print_thread_id (tp), tmp); | |
60f98dde MS |
1898 | match++; |
1899 | } | |
1900 | ||
1901 | tmp = target_pid_to_str (tp->ptid); | |
1902 | if (tmp != NULL && re_exec (tmp)) | |
1903 | { | |
43792cf0 PA |
1904 | printf_filtered (_("Thread %s has target id '%s'\n"), |
1905 | print_thread_id (tp), tmp); | |
60f98dde MS |
1906 | match++; |
1907 | } | |
1908 | ||
1909 | tmp = target_extra_thread_info (tp); | |
1910 | if (tmp != NULL && re_exec (tmp)) | |
1911 | { | |
43792cf0 PA |
1912 | printf_filtered (_("Thread %s has extra info '%s'\n"), |
1913 | print_thread_id (tp), tmp); | |
60f98dde MS |
1914 | match++; |
1915 | } | |
1916 | } | |
1917 | if (!match) | |
1918 | printf_filtered (_("No threads match '%s'\n"), arg); | |
1919 | } | |
1920 | ||
93815fbf VP |
1921 | /* Print notices when new threads are attached and detached. */ |
1922 | int print_thread_events = 1; | |
1923 | static void | |
1924 | show_print_thread_events (struct ui_file *file, int from_tty, | |
ae0eee42 | 1925 | struct cmd_list_element *c, const char *value) |
93815fbf | 1926 | { |
3e43a32a MS |
1927 | fprintf_filtered (file, |
1928 | _("Printing of thread events is %s.\n"), | |
ae0eee42 | 1929 | value); |
93815fbf VP |
1930 | } |
1931 | ||
65630365 | 1932 | /* See gdbthread.h. */ |
c906108c | 1933 | |
65630365 PA |
1934 | void |
1935 | thread_select (const char *tidstr, thread_info *tp) | |
1936 | { | |
c906108c | 1937 | if (!thread_alive (tp)) |
5d5658a1 | 1938 | error (_("Thread ID %s has terminated."), tidstr); |
c906108c | 1939 | |
00431a78 | 1940 | switch_to_thread (tp); |
c906108c | 1941 | |
db5a7484 NR |
1942 | annotate_thread_changed (); |
1943 | ||
4034d0ff AT |
1944 | /* Since the current thread may have changed, see if there is any |
1945 | exited thread we can now delete. */ | |
1946 | prune_threads (); | |
4034d0ff AT |
1947 | } |
1948 | ||
1949 | /* Print thread and frame switch command response. */ | |
1950 | ||
1951 | void | |
1952 | print_selected_thread_frame (struct ui_out *uiout, | |
1953 | user_selected_what selection) | |
1954 | { | |
1955 | struct thread_info *tp = inferior_thread (); | |
4034d0ff AT |
1956 | |
1957 | if (selection & USER_SELECTED_THREAD) | |
5d5658a1 | 1958 | { |
112e8700 | 1959 | if (uiout->is_mi_like_p ()) |
4034d0ff | 1960 | { |
112e8700 | 1961 | uiout->field_int ("new-thread-id", |
4034d0ff AT |
1962 | inferior_thread ()->global_num); |
1963 | } | |
1964 | else | |
1965 | { | |
112e8700 SM |
1966 | uiout->text ("[Switching to thread "); |
1967 | uiout->field_string ("new-thread-id", print_thread_id (tp)); | |
1968 | uiout->text (" ("); | |
1969 | uiout->text (target_pid_to_str (inferior_ptid)); | |
1970 | uiout->text (")]"); | |
4034d0ff | 1971 | } |
5d5658a1 | 1972 | } |
c5394b80 | 1973 | |
30596231 | 1974 | if (tp->state == THREAD_RUNNING) |
98871305 | 1975 | { |
4034d0ff | 1976 | if (selection & USER_SELECTED_THREAD) |
112e8700 | 1977 | uiout->text ("(running)\n"); |
98871305 | 1978 | } |
4034d0ff AT |
1979 | else if (selection & USER_SELECTED_FRAME) |
1980 | { | |
1981 | if (selection & USER_SELECTED_THREAD) | |
112e8700 | 1982 | uiout->text ("\n"); |
4f8d22e3 | 1983 | |
4034d0ff AT |
1984 | if (has_stack_frames ()) |
1985 | print_stack_frame_to_uiout (uiout, get_selected_frame (NULL), | |
1986 | 1, SRC_AND_LOC, 1); | |
1987 | } | |
c5394b80 JM |
1988 | } |
1989 | ||
b57bacec PA |
1990 | /* Update the 'threads_executing' global based on the threads we know |
1991 | about right now. */ | |
1992 | ||
1993 | static void | |
1994 | update_threads_executing (void) | |
1995 | { | |
1996 | struct thread_info *tp; | |
1997 | ||
1998 | threads_executing = 0; | |
1999 | ALL_NON_EXITED_THREADS (tp) | |
2000 | { | |
2001 | if (tp->executing) | |
2002 | { | |
2003 | threads_executing = 1; | |
2004 | break; | |
2005 | } | |
2006 | } | |
2007 | } | |
2008 | ||
dc146f7c VP |
2009 | void |
2010 | update_thread_list (void) | |
2011 | { | |
e8032dde | 2012 | target_update_thread_list (); |
b57bacec | 2013 | update_threads_executing (); |
dc146f7c VP |
2014 | } |
2015 | ||
663f6d42 PA |
2016 | /* Return a new value for the selected thread's id. Return a value of |
2017 | 0 if no thread is selected. If GLOBAL is true, return the thread's | |
2018 | global number. Otherwise return the per-inferior number. */ | |
2019 | ||
2020 | static struct value * | |
2021 | thread_num_make_value_helper (struct gdbarch *gdbarch, int global) | |
2022 | { | |
663f6d42 PA |
2023 | int int_val; |
2024 | ||
00431a78 | 2025 | if (inferior_ptid == null_ptid) |
663f6d42 | 2026 | int_val = 0; |
663f6d42 | 2027 | else |
00431a78 PA |
2028 | { |
2029 | thread_info *tp = inferior_thread (); | |
2030 | if (global) | |
2031 | int_val = tp->global_num; | |
2032 | else | |
2033 | int_val = tp->per_inf_num; | |
2034 | } | |
663f6d42 PA |
2035 | |
2036 | return value_from_longest (builtin_type (gdbarch)->builtin_int, int_val); | |
2037 | } | |
2038 | ||
5d5658a1 PA |
2039 | /* Return a new value for the selected thread's per-inferior thread |
2040 | number. Return a value of 0 if no thread is selected, or no | |
2041 | threads exist. */ | |
6aed2dbc SS |
2042 | |
2043 | static struct value * | |
ae0eee42 PA |
2044 | thread_id_per_inf_num_make_value (struct gdbarch *gdbarch, |
2045 | struct internalvar *var, | |
663f6d42 | 2046 | void *ignore) |
6aed2dbc | 2047 | { |
663f6d42 PA |
2048 | return thread_num_make_value_helper (gdbarch, 0); |
2049 | } | |
2050 | ||
2051 | /* Return a new value for the selected thread's global id. Return a | |
2052 | value of 0 if no thread is selected, or no threads exist. */ | |
6aed2dbc | 2053 | |
663f6d42 PA |
2054 | static struct value * |
2055 | global_thread_id_make_value (struct gdbarch *gdbarch, struct internalvar *var, | |
2056 | void *ignore) | |
2057 | { | |
2058 | return thread_num_make_value_helper (gdbarch, 1); | |
6aed2dbc SS |
2059 | } |
2060 | ||
c906108c SS |
2061 | /* Commands with a prefix of `thread'. */ |
2062 | struct cmd_list_element *thread_cmd_list = NULL; | |
2063 | ||
22d2b532 SDJ |
2064 | /* Implementation of `thread' variable. */ |
2065 | ||
2066 | static const struct internalvar_funcs thread_funcs = | |
2067 | { | |
663f6d42 PA |
2068 | thread_id_per_inf_num_make_value, |
2069 | NULL, | |
2070 | NULL | |
2071 | }; | |
2072 | ||
2073 | /* Implementation of `gthread' variable. */ | |
2074 | ||
2075 | static const struct internalvar_funcs gthread_funcs = | |
2076 | { | |
2077 | global_thread_id_make_value, | |
22d2b532 SDJ |
2078 | NULL, |
2079 | NULL | |
2080 | }; | |
2081 | ||
c906108c | 2082 | void |
fba45db2 | 2083 | _initialize_thread (void) |
c906108c SS |
2084 | { |
2085 | static struct cmd_list_element *thread_apply_list = NULL; | |
c906108c | 2086 | |
ae0eee42 | 2087 | add_info ("threads", info_threads_command, |
60f98dde | 2088 | _("Display currently known threads.\n\ |
c84f6bbf PA |
2089 | Usage: info threads [-gid] [ID]...\n\ |
2090 | -gid: Show global thread IDs.\n\ | |
5d5658a1 PA |
2091 | If ID is given, it is a space-separated list of IDs of threads to display.\n\ |
2092 | Otherwise, all threads are displayed.")); | |
c906108c | 2093 | |
d729566a | 2094 | add_prefix_cmd ("thread", class_run, thread_command, _("\ |
1bedd215 AC |
2095 | Use this command to switch between threads.\n\ |
2096 | The new thread ID must be currently known."), | |
d729566a | 2097 | &thread_cmd_list, "thread ", 1, &cmdlist); |
c906108c | 2098 | |
1fe75df7 PW |
2099 | #define THREAD_APPLY_FLAGS_HELP "\ |
2100 | Prints per-inferior thread number and target system's thread id\n\ | |
2101 | followed by COMMAND output.\n\ | |
2102 | FLAG arguments are -q (quiet), -c (continue), -s (silent).\n\ | |
2103 | Flag -q disables printing the thread information.\n\ | |
2104 | By default, if a COMMAND raises an error, thread apply is aborted.\n\ | |
2105 | Flag -c indicates to print the error and continue.\n\ | |
2106 | Flag -s indicates to silently ignore a COMMAND that raises an error\n\ | |
2107 | or produces no output." | |
2108 | ||
d729566a | 2109 | add_prefix_cmd ("apply", class_run, thread_apply_command, |
5c8f23cd | 2110 | _("Apply a command to a list of threads.\n\ |
1fe75df7 PW |
2111 | Usage: thread apply ID... [FLAG]... COMMAND\n\ |
2112 | ID is a space-separated list of IDs of threads to apply COMMAND on.\n" | |
2113 | THREAD_APPLY_FLAGS_HELP), | |
d729566a | 2114 | &thread_apply_list, "thread apply ", 1, &thread_cmd_list); |
c906108c | 2115 | |
d729566a | 2116 | add_cmd ("all", class_run, thread_apply_all_command, |
253828f1 JK |
2117 | _("\ |
2118 | Apply a command to all threads.\n\ | |
2119 | \n\ | |
1fe75df7 | 2120 | Usage: thread apply all [-ascending] [FLAG]... COMMAND\n\ |
5c8f23cd | 2121 | -ascending: Call COMMAND for all threads in ascending order.\n\ |
1fe75df7 PW |
2122 | The default is descending order.\n" |
2123 | THREAD_APPLY_FLAGS_HELP), | |
253828f1 | 2124 | &thread_apply_list); |
c906108c | 2125 | |
1fe75df7 PW |
2126 | add_com ("taas", class_run, taas_command, _("\ |
2127 | Apply a command to all threads (ignoring errors and empty output).\n\ | |
2128 | Usage: taas COMMAND\n\ | |
2129 | shortcut for 'thread apply all -s COMMAND'")); | |
2130 | ||
2131 | add_com ("tfaas", class_run, tfaas_command, _("\ | |
2132 | Apply a command to all frames of all threads (ignoring errors and empty output).\n\ | |
2133 | Usage: tfaas COMMAND\n\ | |
2134 | shortcut for 'thread apply all -s frame apply all -s COMMAND'")); | |
2135 | ||
4694da01 TT |
2136 | add_cmd ("name", class_run, thread_name_command, |
2137 | _("Set the current thread's name.\n\ | |
2138 | Usage: thread name [NAME]\n\ | |
2139 | If NAME is not given, then any existing name is removed."), &thread_cmd_list); | |
2140 | ||
60f98dde MS |
2141 | add_cmd ("find", class_run, thread_find_command, _("\ |
2142 | Find threads that match a regular expression.\n\ | |
2143 | Usage: thread find REGEXP\n\ | |
2144 | Will display thread ids whose name, target ID, or extra info matches REGEXP."), | |
2145 | &thread_cmd_list); | |
2146 | ||
4f45d445 | 2147 | add_com_alias ("t", "thread", class_run, 1); |
93815fbf VP |
2148 | |
2149 | add_setshow_boolean_cmd ("thread-events", no_class, | |
ae0eee42 | 2150 | &print_thread_events, _("\ |
11c68c47 EZ |
2151 | Set printing of thread events (such as thread start and exit)."), _("\ |
2152 | Show printing of thread events (such as thread start and exit)."), NULL, | |
ae0eee42 PA |
2153 | NULL, |
2154 | show_print_thread_events, | |
2155 | &setprintlist, &showprintlist); | |
6aed2dbc | 2156 | |
22d2b532 | 2157 | create_internalvar_type_lazy ("_thread", &thread_funcs, NULL); |
663f6d42 | 2158 | create_internalvar_type_lazy ("_gthread", >hread_funcs, NULL); |
c906108c | 2159 | } |