Commit | Line | Data |
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c906108c | 1 | /* Multi-process/thread control for GDB, the GNU debugger. |
8926118c | 2 | |
b811d2c2 | 3 | Copyright (C) 1986-2020 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" | |
268a13a5 | 26 | #include "gdbsupport/environ.h" |
c906108c SS |
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" |
6665660a | 42 | #include "cli/cli-option.h" |
60f98dde | 43 | #include "gdb_regex.h" |
aea5b279 | 44 | #include "cli/cli-utils.h" |
243a9253 | 45 | #include "thread-fsm.h" |
5d5658a1 | 46 | #include "tid-parse.h" |
c6609450 | 47 | #include <algorithm> |
268a13a5 | 48 | #include "gdbsupport/gdb_optional.h" |
08036331 | 49 | #include "inline-frame.h" |
5d707134 | 50 | #include "stack.h" |
94cc34af | 51 | |
c378eb4e | 52 | /* Definition of struct thread_info exported to gdbthread.h. */ |
c906108c | 53 | |
c378eb4e | 54 | /* Prototypes for local functions. */ |
c906108c | 55 | |
c906108c SS |
56 | static int highest_thread_num; |
57 | ||
3922b302 PA |
58 | /* The current/selected thread. */ |
59 | static thread_info *current_thread_; | |
60 | ||
3922b302 PA |
61 | /* Returns true if THR is the current thread. */ |
62 | ||
63 | static bool | |
64 | is_current_thread (const thread_info *thr) | |
65 | { | |
66 | return thr == current_thread_; | |
67 | } | |
054e8d9e | 68 | |
a5321aa4 | 69 | struct thread_info* |
4e1c45ea | 70 | inferior_thread (void) |
8601f500 | 71 | { |
3922b302 PA |
72 | gdb_assert (current_thread_ != nullptr); |
73 | return current_thread_; | |
4e1c45ea | 74 | } |
8601f500 | 75 | |
5b834a0a PA |
76 | /* Delete the breakpoint pointed at by BP_P, if there's one. */ |
77 | ||
78 | static void | |
79 | delete_thread_breakpoint (struct breakpoint **bp_p) | |
4e1c45ea | 80 | { |
5b834a0a | 81 | if (*bp_p != NULL) |
8601f500 | 82 | { |
5b834a0a PA |
83 | delete_breakpoint (*bp_p); |
84 | *bp_p = NULL; | |
8601f500 MS |
85 | } |
86 | } | |
87 | ||
5b834a0a PA |
88 | void |
89 | delete_step_resume_breakpoint (struct thread_info *tp) | |
90 | { | |
91 | if (tp != NULL) | |
92 | delete_thread_breakpoint (&tp->control.step_resume_breakpoint); | |
93 | } | |
94 | ||
186c406b TT |
95 | void |
96 | delete_exception_resume_breakpoint (struct thread_info *tp) | |
97 | { | |
5b834a0a PA |
98 | if (tp != NULL) |
99 | delete_thread_breakpoint (&tp->control.exception_resume_breakpoint); | |
100 | } | |
101 | ||
34b7e8a6 PA |
102 | /* See gdbthread.h. */ |
103 | ||
104 | void | |
105 | delete_single_step_breakpoints (struct thread_info *tp) | |
106 | { | |
107 | if (tp != NULL) | |
108 | delete_thread_breakpoint (&tp->control.single_step_breakpoints); | |
109 | } | |
110 | ||
5b834a0a PA |
111 | /* Delete the breakpoint pointed at by BP_P at the next stop, if |
112 | there's one. */ | |
113 | ||
114 | static void | |
115 | delete_at_next_stop (struct breakpoint **bp) | |
116 | { | |
117 | if (*bp != NULL) | |
186c406b | 118 | { |
5b834a0a PA |
119 | (*bp)->disposition = disp_del_at_next_stop; |
120 | *bp = NULL; | |
186c406b TT |
121 | } |
122 | } | |
123 | ||
34b7e8a6 PA |
124 | /* See gdbthread.h. */ |
125 | ||
126 | int | |
127 | thread_has_single_step_breakpoints_set (struct thread_info *tp) | |
128 | { | |
129 | return tp->control.single_step_breakpoints != NULL; | |
130 | } | |
131 | ||
132 | /* See gdbthread.h. */ | |
133 | ||
134 | int | |
135 | thread_has_single_step_breakpoint_here (struct thread_info *tp, | |
accd0bcd | 136 | const address_space *aspace, |
34b7e8a6 PA |
137 | CORE_ADDR addr) |
138 | { | |
139 | struct breakpoint *ss_bps = tp->control.single_step_breakpoints; | |
140 | ||
141 | return (ss_bps != NULL | |
142 | && breakpoint_has_location_inserted_here (ss_bps, aspace, addr)); | |
143 | } | |
144 | ||
243a9253 PA |
145 | /* See gdbthread.h. */ |
146 | ||
147 | void | |
148 | thread_cancel_execution_command (struct thread_info *thr) | |
149 | { | |
150 | if (thr->thread_fsm != NULL) | |
151 | { | |
46e3ed7f TT |
152 | thr->thread_fsm->clean_up (thr); |
153 | delete thr->thread_fsm; | |
243a9253 PA |
154 | thr->thread_fsm = NULL; |
155 | } | |
156 | } | |
157 | ||
7c952b6d | 158 | static void |
4f8d22e3 | 159 | clear_thread_inferior_resources (struct thread_info *tp) |
7c952b6d ND |
160 | { |
161 | /* NOTE: this will take care of any left-over step_resume breakpoints, | |
4d8453a5 DJ |
162 | but not any user-specified thread-specific breakpoints. We can not |
163 | delete the breakpoint straight-off, because the inferior might not | |
164 | be stopped at the moment. */ | |
5b834a0a PA |
165 | delete_at_next_stop (&tp->control.step_resume_breakpoint); |
166 | delete_at_next_stop (&tp->control.exception_resume_breakpoint); | |
34b7e8a6 | 167 | delete_at_next_stop (&tp->control.single_step_breakpoints); |
186c406b | 168 | |
5d5658a1 | 169 | delete_longjmp_breakpoint_at_next_stop (tp->global_num); |
f59f708a | 170 | |
16c381f0 | 171 | bpstat_clear (&tp->control.stop_bpstat); |
95e54da7 | 172 | |
02d27625 MM |
173 | btrace_teardown (tp); |
174 | ||
243a9253 | 175 | thread_cancel_execution_command (tp); |
08036331 | 176 | |
5b6d1e4f | 177 | clear_inline_frame_state (tp); |
4f8d22e3 PA |
178 | } |
179 | ||
803bdfe4 YQ |
180 | /* Set the TP's state as exited. */ |
181 | ||
182 | static void | |
3922b302 | 183 | set_thread_exited (thread_info *tp, bool silent) |
803bdfe4 | 184 | { |
28d5518b | 185 | /* Dead threads don't need to step-over. Remove from chain. */ |
803bdfe4 | 186 | if (tp->step_over_next != NULL) |
28d5518b | 187 | global_thread_step_over_chain_remove (tp); |
803bdfe4 YQ |
188 | |
189 | if (tp->state != THREAD_EXITED) | |
190 | { | |
76727919 | 191 | gdb::observers::thread_exit.notify (tp, silent); |
803bdfe4 YQ |
192 | |
193 | /* Tag it as exited. */ | |
194 | tp->state = THREAD_EXITED; | |
195 | ||
196 | /* Clear breakpoints, etc. associated with this thread. */ | |
197 | clear_thread_inferior_resources (tp); | |
198 | } | |
199 | } | |
200 | ||
c906108c | 201 | void |
fba45db2 | 202 | init_thread_list (void) |
c906108c | 203 | { |
7c952b6d | 204 | highest_thread_num = 0; |
8ea051c5 | 205 | |
08036331 | 206 | for (thread_info *tp : all_threads_safe ()) |
c906108c | 207 | { |
08036331 PA |
208 | inferior *inf = tp->inf; |
209 | ||
803bdfe4 YQ |
210 | if (tp->deletable ()) |
211 | delete tp; | |
212 | else | |
213 | set_thread_exited (tp, 1); | |
c906108c | 214 | |
08036331 PA |
215 | inf->thread_list = NULL; |
216 | } | |
c906108c SS |
217 | } |
218 | ||
5d5658a1 PA |
219 | /* Allocate a new thread of inferior INF with target id PTID and add |
220 | it to the thread list. */ | |
e58b0e63 PA |
221 | |
222 | static struct thread_info * | |
5d5658a1 | 223 | new_thread (struct inferior *inf, ptid_t ptid) |
e58b0e63 | 224 | { |
12316564 | 225 | thread_info *tp = new thread_info (inf, ptid); |
b05b1202 | 226 | |
08036331 PA |
227 | if (inf->thread_list == NULL) |
228 | inf->thread_list = tp; | |
b05b1202 PA |
229 | else |
230 | { | |
231 | struct thread_info *last; | |
232 | ||
08036331 | 233 | for (last = inf->thread_list; last->next != NULL; last = last->next) |
3922b302 PA |
234 | gdb_assert (ptid != last->ptid |
235 | || last->state == THREAD_EXITED); | |
236 | ||
237 | gdb_assert (ptid != last->ptid | |
238 | || last->state == THREAD_EXITED); | |
239 | ||
b05b1202 PA |
240 | last->next = tp; |
241 | } | |
e58b0e63 | 242 | |
e58b0e63 PA |
243 | return tp; |
244 | } | |
245 | ||
0d06e24b | 246 | struct thread_info * |
5b6d1e4f | 247 | add_thread_silent (process_stratum_target *targ, ptid_t ptid) |
c906108c | 248 | { |
3922b302 | 249 | inferior *inf = find_inferior_ptid (targ, ptid); |
5b6d1e4f | 250 | |
3922b302 PA |
251 | /* We may have an old thread with the same id in the thread list. |
252 | If we do, it must be dead, otherwise we wouldn't be adding a new | |
253 | thread with the same id. The OS is reusing this id --- delete | |
254 | the old thread, and create a new one. */ | |
255 | thread_info *tp = find_thread_ptid (inf, ptid); | |
256 | if (tp != nullptr) | |
257 | delete_thread (tp); | |
4f8d22e3 | 258 | |
5d5658a1 | 259 | tp = new_thread (inf, ptid); |
76727919 | 260 | gdb::observers::new_thread.notify (tp); |
cfc01461 | 261 | |
0d06e24b | 262 | return tp; |
c906108c SS |
263 | } |
264 | ||
93815fbf | 265 | struct thread_info * |
5b6d1e4f PA |
266 | add_thread_with_info (process_stratum_target *targ, ptid_t ptid, |
267 | private_thread_info *priv) | |
93815fbf | 268 | { |
5b6d1e4f | 269 | thread_info *result = add_thread_silent (targ, ptid); |
93815fbf | 270 | |
7aabaf9d | 271 | result->priv.reset (priv); |
17faa917 | 272 | |
93815fbf | 273 | if (print_thread_events) |
a068643d | 274 | printf_unfiltered (_("[New %s]\n"), target_pid_to_str (ptid).c_str ()); |
d4fc5b1e NR |
275 | |
276 | annotate_new_thread (); | |
93815fbf VP |
277 | return result; |
278 | } | |
279 | ||
17faa917 | 280 | struct thread_info * |
5b6d1e4f | 281 | add_thread (process_stratum_target *targ, ptid_t ptid) |
17faa917 | 282 | { |
5b6d1e4f | 283 | return add_thread_with_info (targ, ptid, NULL); |
17faa917 DJ |
284 | } |
285 | ||
7aabaf9d SM |
286 | private_thread_info::~private_thread_info () = default; |
287 | ||
12316564 YQ |
288 | thread_info::thread_info (struct inferior *inf_, ptid_t ptid_) |
289 | : ptid (ptid_), inf (inf_) | |
290 | { | |
291 | gdb_assert (inf_ != NULL); | |
292 | ||
293 | this->global_num = ++highest_thread_num; | |
294 | this->per_inf_num = ++inf_->highest_thread_num; | |
295 | ||
296 | /* Nothing to follow yet. */ | |
297 | memset (&this->pending_follow, 0, sizeof (this->pending_follow)); | |
298 | this->pending_follow.kind = TARGET_WAITKIND_SPURIOUS; | |
299 | this->suspend.waitstatus.kind = TARGET_WAITKIND_IGNORE; | |
300 | } | |
301 | ||
302 | thread_info::~thread_info () | |
303 | { | |
12316564 YQ |
304 | xfree (this->name); |
305 | } | |
306 | ||
08036331 PA |
307 | /* See gdbthread.h. */ |
308 | ||
309 | bool | |
310 | thread_info::deletable () const | |
311 | { | |
312 | /* If this is the current thread, or there's code out there that | |
313 | relies on it existing (refcount > 0) we can't delete yet. */ | |
5b6d1e4f | 314 | return refcount () == 0 && !is_current_thread (this); |
08036331 PA |
315 | } |
316 | ||
c2829269 PA |
317 | /* Add TP to the end of the step-over chain LIST_P. */ |
318 | ||
319 | static void | |
320 | step_over_chain_enqueue (struct thread_info **list_p, struct thread_info *tp) | |
321 | { | |
322 | gdb_assert (tp->step_over_next == NULL); | |
323 | gdb_assert (tp->step_over_prev == NULL); | |
324 | ||
325 | if (*list_p == NULL) | |
326 | { | |
327 | *list_p = tp; | |
328 | tp->step_over_prev = tp->step_over_next = tp; | |
329 | } | |
330 | else | |
331 | { | |
332 | struct thread_info *head = *list_p; | |
333 | struct thread_info *tail = head->step_over_prev; | |
334 | ||
335 | tp->step_over_prev = tail; | |
336 | tp->step_over_next = head; | |
337 | head->step_over_prev = tp; | |
338 | tail->step_over_next = tp; | |
339 | } | |
340 | } | |
341 | ||
187b041e | 342 | /* See gdbthread.h. */ |
c2829269 | 343 | |
187b041e SM |
344 | void |
345 | thread_step_over_chain_remove (thread_info **list_p, thread_info *tp) | |
c2829269 PA |
346 | { |
347 | gdb_assert (tp->step_over_next != NULL); | |
348 | gdb_assert (tp->step_over_prev != NULL); | |
349 | ||
350 | if (*list_p == tp) | |
351 | { | |
352 | if (tp == tp->step_over_next) | |
353 | *list_p = NULL; | |
354 | else | |
355 | *list_p = tp->step_over_next; | |
356 | } | |
357 | ||
358 | tp->step_over_prev->step_over_next = tp->step_over_next; | |
359 | tp->step_over_next->step_over_prev = tp->step_over_prev; | |
360 | tp->step_over_prev = tp->step_over_next = NULL; | |
361 | } | |
362 | ||
363 | /* See gdbthread.h. */ | |
364 | ||
187b041e SM |
365 | thread_info * |
366 | thread_step_over_chain_next (thread_info *chain_head, thread_info *tp) | |
367 | { | |
368 | thread_info *next = tp->step_over_next; | |
369 | ||
370 | return next == chain_head ? NULL : next; | |
371 | } | |
372 | ||
373 | /* See gdbthread.h. */ | |
374 | ||
c2829269 | 375 | struct thread_info * |
28d5518b | 376 | global_thread_step_over_chain_next (struct thread_info *tp) |
c2829269 | 377 | { |
187b041e | 378 | return thread_step_over_chain_next (global_thread_step_over_chain_head, tp); |
c2829269 PA |
379 | } |
380 | ||
381 | /* See gdbthread.h. */ | |
382 | ||
383 | int | |
384 | thread_is_in_step_over_chain (struct thread_info *tp) | |
385 | { | |
386 | return (tp->step_over_next != NULL); | |
387 | } | |
388 | ||
389 | /* See gdbthread.h. */ | |
390 | ||
187b041e SM |
391 | int |
392 | thread_step_over_chain_length (thread_info *tp) | |
393 | { | |
394 | if (tp == nullptr) | |
395 | return 0; | |
396 | ||
397 | gdb_assert (thread_is_in_step_over_chain (tp)); | |
398 | ||
399 | int num = 1; | |
400 | ||
401 | for (thread_info *iter = tp->step_over_next; | |
402 | iter != tp; | |
403 | iter = iter->step_over_next) | |
404 | ++num; | |
405 | ||
406 | return num; | |
407 | } | |
408 | ||
409 | /* See gdbthread.h. */ | |
410 | ||
c2829269 | 411 | void |
28d5518b | 412 | global_thread_step_over_chain_enqueue (struct thread_info *tp) |
c2829269 | 413 | { |
187b041e SM |
414 | infrun_debug_printf ("enqueueing thread %s in global step over chain", |
415 | target_pid_to_str (tp->ptid).c_str ()); | |
416 | ||
28d5518b | 417 | step_over_chain_enqueue (&global_thread_step_over_chain_head, tp); |
c2829269 PA |
418 | } |
419 | ||
420 | /* See gdbthread.h. */ | |
421 | ||
187b041e SM |
422 | void |
423 | global_thread_step_over_chain_enqueue_chain (thread_info *chain_head) | |
424 | { | |
425 | gdb_assert (chain_head->step_over_next != nullptr); | |
426 | gdb_assert (chain_head->step_over_prev != nullptr); | |
427 | ||
428 | if (global_thread_step_over_chain_head == nullptr) | |
429 | global_thread_step_over_chain_head = chain_head; | |
430 | else | |
431 | { | |
432 | thread_info *global_last = global_thread_step_over_chain_head->step_over_prev; | |
433 | thread_info *chain_last = chain_head->step_over_prev; | |
434 | ||
435 | chain_last->step_over_next = global_thread_step_over_chain_head; | |
436 | global_last->step_over_next = chain_head; | |
437 | global_thread_step_over_chain_head->step_over_prev = chain_last; | |
438 | chain_head->step_over_prev = global_last; | |
439 | } | |
440 | } | |
441 | ||
442 | /* See gdbthread.h. */ | |
443 | ||
c2829269 | 444 | void |
28d5518b | 445 | global_thread_step_over_chain_remove (struct thread_info *tp) |
c2829269 | 446 | { |
187b041e SM |
447 | infrun_debug_printf ("removing thread %s from global step over chain", |
448 | target_pid_to_str (tp->ptid).c_str ()); | |
449 | ||
28d5518b | 450 | thread_step_over_chain_remove (&global_thread_step_over_chain_head, tp); |
c2829269 PA |
451 | } |
452 | ||
85102364 | 453 | /* Delete the thread referenced by THR. If SILENT, don't notify |
2eab46b1 JB |
454 | the observer of this exit. |
455 | ||
456 | THR must not be NULL or a failed assertion will be raised. */ | |
00431a78 | 457 | |
5e0b29c1 | 458 | static void |
00431a78 | 459 | delete_thread_1 (thread_info *thr, bool silent) |
c906108c | 460 | { |
2eab46b1 | 461 | gdb_assert (thr != nullptr); |
c906108c | 462 | |
2eab46b1 | 463 | struct thread_info *tp, *tpprev = NULL; |
c906108c | 464 | |
08036331 | 465 | for (tp = thr->inf->thread_list; tp; tpprev = tp, tp = tp->next) |
00431a78 | 466 | if (tp == thr) |
c906108c SS |
467 | break; |
468 | ||
469 | if (!tp) | |
470 | return; | |
471 | ||
803bdfe4 | 472 | set_thread_exited (tp, silent); |
c2829269 | 473 | |
803bdfe4 | 474 | if (!tp->deletable ()) |
8c25b497 | 475 | { |
4f8d22e3 PA |
476 | /* Will be really deleted some other time. */ |
477 | return; | |
478 | } | |
479 | ||
c906108c SS |
480 | if (tpprev) |
481 | tpprev->next = tp->next; | |
482 | else | |
08036331 | 483 | tp->inf->thread_list = tp->next; |
c906108c | 484 | |
12316564 | 485 | delete tp; |
c906108c SS |
486 | } |
487 | ||
3922b302 | 488 | /* See gdbthread.h. */ |
00431a78 | 489 | |
5e0b29c1 | 490 | void |
00431a78 | 491 | delete_thread (thread_info *thread) |
5e0b29c1 | 492 | { |
00431a78 | 493 | delete_thread_1 (thread, false /* not silent */); |
5e0b29c1 PA |
494 | } |
495 | ||
496 | void | |
00431a78 | 497 | delete_thread_silent (thread_info *thread) |
5e0b29c1 | 498 | { |
00431a78 | 499 | delete_thread_1 (thread, true /* silent */); |
5e0b29c1 PA |
500 | } |
501 | ||
1e92afda | 502 | struct thread_info * |
5d5658a1 | 503 | find_thread_global_id (int global_id) |
c906108c | 504 | { |
08036331 | 505 | for (thread_info *tp : all_threads ()) |
5d5658a1 PA |
506 | if (tp->global_num == global_id) |
507 | return tp; | |
508 | ||
509 | return NULL; | |
510 | } | |
511 | ||
512 | static struct thread_info * | |
513 | find_thread_id (struct inferior *inf, int thr_num) | |
514 | { | |
08036331 PA |
515 | for (thread_info *tp : inf->threads ()) |
516 | if (tp->per_inf_num == thr_num) | |
c906108c SS |
517 | return tp; |
518 | ||
519 | return NULL; | |
520 | } | |
521 | ||
5b6d1e4f | 522 | /* See gdbthread.h. */ |
e04ee09e | 523 | |
0d06e24b | 524 | struct thread_info * |
5b6d1e4f | 525 | find_thread_ptid (process_stratum_target *targ, ptid_t ptid) |
0d06e24b | 526 | { |
5b6d1e4f | 527 | inferior *inf = find_inferior_ptid (targ, ptid); |
08036331 PA |
528 | if (inf == NULL) |
529 | return NULL; | |
530 | return find_thread_ptid (inf, ptid); | |
531 | } | |
0d06e24b | 532 | |
08036331 PA |
533 | /* See gdbthread.h. */ |
534 | ||
535 | struct thread_info * | |
536 | find_thread_ptid (inferior *inf, ptid_t ptid) | |
537 | { | |
3922b302 | 538 | for (thread_info *tp : inf->non_exited_threads ()) |
9295a5a9 | 539 | if (tp->ptid == ptid) |
0d06e24b JM |
540 | return tp; |
541 | ||
542 | return NULL; | |
543 | } | |
544 | ||
e04ee09e KB |
545 | /* See gdbthread.h. */ |
546 | ||
547 | struct thread_info * | |
50a82723 KB |
548 | find_thread_by_handle (gdb::array_view<const gdb_byte> handle, |
549 | struct inferior *inf) | |
e04ee09e | 550 | { |
50a82723 KB |
551 | return target_thread_handle_to_thread_info (handle.data (), |
552 | handle.size (), | |
553 | inf); | |
e04ee09e KB |
554 | } |
555 | ||
0d06e24b JM |
556 | /* |
557 | * Thread iterator function. | |
558 | * | |
559 | * Calls a callback function once for each thread, so long as | |
560 | * the callback function returns false. If the callback function | |
561 | * returns true, the iteration will end and the current thread | |
ae0eee42 | 562 | * will be returned. This can be useful for implementing a |
0d06e24b JM |
563 | * search for a thread with arbitrary attributes, or for applying |
564 | * some operation to every thread. | |
565 | * | |
ae0eee42 | 566 | * FIXME: some of the existing functionality, such as |
0d06e24b JM |
567 | * "Thread apply all", might be rewritten using this functionality. |
568 | */ | |
569 | ||
570 | struct thread_info * | |
fd118b61 KB |
571 | iterate_over_threads (int (*callback) (struct thread_info *, void *), |
572 | void *data) | |
0d06e24b | 573 | { |
08036331 PA |
574 | for (thread_info *tp : all_threads_safe ()) |
575 | if ((*callback) (tp, data)) | |
576 | return tp; | |
0d06e24b JM |
577 | |
578 | return NULL; | |
579 | } | |
580 | ||
08036331 PA |
581 | /* See gdbthread.h. */ |
582 | ||
583 | bool | |
584 | any_thread_p () | |
585 | { | |
586 | for (thread_info *tp ATTRIBUTE_UNUSED : all_threads ()) | |
587 | return true; | |
588 | return false; | |
589 | } | |
590 | ||
20874c92 | 591 | int |
5b6d1e4f | 592 | thread_count (process_stratum_target *proc_target) |
20874c92 | 593 | { |
5b6d1e4f | 594 | auto rng = all_threads (proc_target); |
08036331 | 595 | return std::distance (rng.begin (), rng.end ()); |
20874c92 VP |
596 | } |
597 | ||
c6609450 PA |
598 | /* Return the number of non-exited threads in the thread list. */ |
599 | ||
600 | static int | |
601 | live_threads_count (void) | |
602 | { | |
08036331 PA |
603 | auto rng = all_non_exited_threads (); |
604 | return std::distance (rng.begin (), rng.end ()); | |
c6609450 PA |
605 | } |
606 | ||
c906108c | 607 | int |
5d5658a1 | 608 | valid_global_thread_id (int global_id) |
c906108c | 609 | { |
08036331 | 610 | for (thread_info *tp : all_threads ()) |
5d5658a1 | 611 | if (tp->global_num == global_id) |
c906108c SS |
612 | return 1; |
613 | ||
614 | return 0; | |
615 | } | |
616 | ||
5b6d1e4f PA |
617 | bool |
618 | in_thread_list (process_stratum_target *targ, ptid_t ptid) | |
c906108c | 619 | { |
5b6d1e4f | 620 | return find_thread_ptid (targ, ptid) != nullptr; |
c906108c | 621 | } |
8926118c | 622 | |
00431a78 | 623 | /* Finds the first thread of the inferior. */ |
bad34192 | 624 | |
00431a78 PA |
625 | thread_info * |
626 | first_thread_of_inferior (inferior *inf) | |
bad34192 | 627 | { |
08036331 | 628 | return inf->thread_list; |
bad34192 PA |
629 | } |
630 | ||
00431a78 PA |
631 | thread_info * |
632 | any_thread_of_inferior (inferior *inf) | |
2277426b | 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 | ||
08036331 PA |
640 | for (thread_info *tp : inf->non_exited_threads ()) |
641 | return tp; | |
2277426b PA |
642 | |
643 | return NULL; | |
644 | } | |
645 | ||
00431a78 PA |
646 | thread_info * |
647 | any_live_thread_of_inferior (inferior *inf) | |
6c95b8df | 648 | { |
32990ada | 649 | struct thread_info *curr_tp = NULL; |
9941e0c5 | 650 | struct thread_info *tp_executing = NULL; |
6c95b8df | 651 | |
00431a78 | 652 | gdb_assert (inf != NULL && inf->pid != 0); |
32990ada PA |
653 | |
654 | /* Prefer the current thread if it's not executing. */ | |
00431a78 | 655 | if (inferior_ptid != null_ptid && current_inferior () == inf) |
32990ada PA |
656 | { |
657 | /* If the current thread is dead, forget it. If it's not | |
658 | executing, use it. Otherwise, still choose it (below), but | |
659 | only if no other non-executing thread is found. */ | |
660 | curr_tp = inferior_thread (); | |
661 | if (curr_tp->state == THREAD_EXITED) | |
662 | curr_tp = NULL; | |
663 | else if (!curr_tp->executing) | |
664 | return curr_tp; | |
665 | } | |
666 | ||
08036331 PA |
667 | for (thread_info *tp : inf->non_exited_threads ()) |
668 | { | |
669 | if (!tp->executing) | |
670 | return tp; | |
32990ada | 671 | |
08036331 PA |
672 | tp_executing = tp; |
673 | } | |
6c95b8df | 674 | |
32990ada PA |
675 | /* If both the current thread and all live threads are executing, |
676 | prefer the current thread. */ | |
677 | if (curr_tp != NULL) | |
678 | return curr_tp; | |
679 | ||
680 | /* Otherwise, just return an executing thread, if any. */ | |
9941e0c5 | 681 | return tp_executing; |
6c95b8df PA |
682 | } |
683 | ||
c378eb4e | 684 | /* Return true if TP is an active thread. */ |
f3f8ece4 PA |
685 | static bool |
686 | thread_alive (thread_info *tp) | |
c906108c | 687 | { |
30596231 | 688 | if (tp->state == THREAD_EXITED) |
f3f8ece4 PA |
689 | return false; |
690 | ||
691 | /* Ensure we're looking at the right target stack. */ | |
692 | gdb_assert (tp->inf == current_inferior ()); | |
693 | ||
694 | return target_thread_alive (tp->ptid); | |
695 | } | |
696 | ||
697 | /* Switch to thread TP if it is alive. Returns true if successfully | |
698 | switched, false otherwise. */ | |
699 | ||
700 | static bool | |
701 | switch_to_thread_if_alive (thread_info *thr) | |
702 | { | |
703 | scoped_restore_current_thread restore_thread; | |
704 | ||
705 | /* Switch inferior first, so that we're looking at the right target | |
706 | stack. */ | |
707 | switch_to_inferior_no_thread (thr->inf); | |
708 | ||
709 | if (thread_alive (thr)) | |
710 | { | |
711 | switch_to_thread (thr); | |
712 | restore_thread.dont_restore (); | |
713 | return true; | |
714 | } | |
715 | ||
716 | return false; | |
c906108c SS |
717 | } |
718 | ||
e8032dde PA |
719 | /* See gdbthreads.h. */ |
720 | ||
721 | void | |
fba45db2 | 722 | prune_threads (void) |
c906108c | 723 | { |
f3f8ece4 PA |
724 | scoped_restore_current_thread restore_thread; |
725 | ||
08036331 | 726 | for (thread_info *tp : all_threads_safe ()) |
f3f8ece4 PA |
727 | { |
728 | switch_to_inferior_no_thread (tp->inf); | |
729 | ||
730 | if (!thread_alive (tp)) | |
731 | delete_thread (tp); | |
732 | } | |
c906108c SS |
733 | } |
734 | ||
8a06aea7 PA |
735 | /* See gdbthreads.h. */ |
736 | ||
737 | void | |
738 | delete_exited_threads (void) | |
739 | { | |
08036331 PA |
740 | for (thread_info *tp : all_threads_safe ()) |
741 | if (tp->state == THREAD_EXITED) | |
742 | delete_thread (tp); | |
8a06aea7 PA |
743 | } |
744 | ||
85102364 | 745 | /* Return true value if stack temporaries are enabled for the thread |
00431a78 | 746 | TP. */ |
6c659fc2 | 747 | |
fdf07f3a | 748 | bool |
00431a78 | 749 | thread_stack_temporaries_enabled_p (thread_info *tp) |
6c659fc2 | 750 | { |
6c659fc2 | 751 | if (tp == NULL) |
fdf07f3a | 752 | return false; |
6c659fc2 SC |
753 | else |
754 | return tp->stack_temporaries_enabled; | |
755 | } | |
756 | ||
757 | /* Push V on to the stack temporaries of the thread with id PTID. */ | |
758 | ||
759 | void | |
00431a78 | 760 | push_thread_stack_temporary (thread_info *tp, struct value *v) |
6c659fc2 | 761 | { |
6c659fc2 | 762 | gdb_assert (tp != NULL && tp->stack_temporaries_enabled); |
fdf07f3a | 763 | tp->stack_temporaries.push_back (v); |
6c659fc2 SC |
764 | } |
765 | ||
fdf07f3a | 766 | /* Return true if VAL is among the stack temporaries of the thread |
00431a78 | 767 | TP. Return false otherwise. */ |
6c659fc2 | 768 | |
fdf07f3a | 769 | bool |
00431a78 | 770 | value_in_thread_stack_temporaries (struct value *val, thread_info *tp) |
6c659fc2 | 771 | { |
6c659fc2 | 772 | gdb_assert (tp != NULL && tp->stack_temporaries_enabled); |
52941706 | 773 | for (value *v : tp->stack_temporaries) |
fdf07f3a TT |
774 | if (v == val) |
775 | return true; | |
6c659fc2 | 776 | |
fdf07f3a | 777 | return false; |
6c659fc2 SC |
778 | } |
779 | ||
780 | /* Return the last of the stack temporaries for thread with id PTID. | |
781 | Return NULL if there are no stack temporaries for the thread. */ | |
782 | ||
00431a78 PA |
783 | value * |
784 | get_last_thread_stack_temporary (thread_info *tp) | |
6c659fc2 SC |
785 | { |
786 | struct value *lastval = NULL; | |
6c659fc2 SC |
787 | |
788 | gdb_assert (tp != NULL); | |
fdf07f3a TT |
789 | if (!tp->stack_temporaries.empty ()) |
790 | lastval = tp->stack_temporaries.back (); | |
6c659fc2 SC |
791 | |
792 | return lastval; | |
793 | } | |
794 | ||
5231c1fd | 795 | void |
5b6d1e4f PA |
796 | thread_change_ptid (process_stratum_target *targ, |
797 | ptid_t old_ptid, ptid_t new_ptid) | |
5231c1fd | 798 | { |
82f73884 PA |
799 | struct inferior *inf; |
800 | struct thread_info *tp; | |
801 | ||
802 | /* It can happen that what we knew as the target inferior id | |
803 | changes. E.g, target remote may only discover the remote process | |
804 | pid after adding the inferior to GDB's list. */ | |
5b6d1e4f | 805 | inf = find_inferior_ptid (targ, old_ptid); |
e99b03dc | 806 | inf->pid = new_ptid.pid (); |
82f73884 | 807 | |
08036331 | 808 | tp = find_thread_ptid (inf, old_ptid); |
5231c1fd PA |
809 | tp->ptid = new_ptid; |
810 | ||
b161a60d | 811 | gdb::observers::thread_ptid_changed.notify (targ, old_ptid, new_ptid); |
5231c1fd PA |
812 | } |
813 | ||
372316f1 PA |
814 | /* See gdbthread.h. */ |
815 | ||
816 | void | |
5b6d1e4f | 817 | set_resumed (process_stratum_target *targ, ptid_t ptid, bool resumed) |
372316f1 | 818 | { |
5b6d1e4f | 819 | for (thread_info *tp : all_non_exited_threads (targ, ptid)) |
08036331 | 820 | tp->resumed = resumed; |
372316f1 PA |
821 | } |
822 | ||
4d9d9d04 PA |
823 | /* Helper for set_running, that marks one thread either running or |
824 | stopped. */ | |
825 | ||
719546c4 SM |
826 | static bool |
827 | set_running_thread (struct thread_info *tp, bool running) | |
4d9d9d04 | 828 | { |
719546c4 | 829 | bool started = false; |
4d9d9d04 PA |
830 | |
831 | if (running && tp->state == THREAD_STOPPED) | |
719546c4 | 832 | started = true; |
4d9d9d04 PA |
833 | tp->state = running ? THREAD_RUNNING : THREAD_STOPPED; |
834 | ||
835 | if (!running) | |
836 | { | |
837 | /* If the thread is now marked stopped, remove it from | |
838 | the step-over queue, so that we don't try to resume | |
839 | it until the user wants it to. */ | |
840 | if (tp->step_over_next != NULL) | |
28d5518b | 841 | global_thread_step_over_chain_remove (tp); |
4d9d9d04 PA |
842 | } |
843 | ||
844 | return started; | |
845 | } | |
846 | ||
00431a78 PA |
847 | /* See gdbthread.h. */ |
848 | ||
849 | void | |
850 | thread_info::set_running (bool running) | |
851 | { | |
852 | if (set_running_thread (this, running)) | |
853 | gdb::observers::target_resumed.notify (this->ptid); | |
854 | } | |
855 | ||
e1ac3328 | 856 | void |
5b6d1e4f | 857 | set_running (process_stratum_target *targ, ptid_t ptid, bool running) |
e1ac3328 | 858 | { |
08036331 PA |
859 | /* We try not to notify the observer if no thread has actually |
860 | changed the running state -- merely to reduce the number of | |
861 | messages to the MI frontend. A frontend is supposed to handle | |
862 | multiple *running notifications just fine. */ | |
863 | bool any_started = false; | |
e1ac3328 | 864 | |
5b6d1e4f | 865 | for (thread_info *tp : all_non_exited_threads (targ, ptid)) |
08036331 PA |
866 | if (set_running_thread (tp, running)) |
867 | any_started = true; | |
4d9d9d04 | 868 | |
4d9d9d04 | 869 | if (any_started) |
76727919 | 870 | gdb::observers::target_resumed.notify (ptid); |
e1ac3328 VP |
871 | } |
872 | ||
8ea051c5 | 873 | |
f2ffa92b PA |
874 | /* Helper for set_executing. Set's the thread's 'executing' field |
875 | from EXECUTING, and if EXECUTING is true also clears the thread's | |
876 | stop_pc. */ | |
877 | ||
878 | static void | |
879 | set_executing_thread (thread_info *thr, bool executing) | |
880 | { | |
881 | thr->executing = executing; | |
882 | if (executing) | |
883 | thr->suspend.stop_pc = ~(CORE_ADDR) 0; | |
884 | } | |
885 | ||
8ea051c5 | 886 | void |
5b6d1e4f | 887 | set_executing (process_stratum_target *targ, ptid_t ptid, bool executing) |
8ea051c5 | 888 | { |
5b6d1e4f | 889 | for (thread_info *tp : all_non_exited_threads (targ, ptid)) |
08036331 | 890 | set_executing_thread (tp, executing); |
8ea051c5 | 891 | |
08036331 | 892 | /* It only takes one running thread to spawn more threads. */ |
b57bacec | 893 | if (executing) |
5b6d1e4f | 894 | targ->threads_executing = true; |
b57bacec PA |
895 | /* Only clear the flag if the caller is telling us everything is |
896 | stopped. */ | |
9295a5a9 | 897 | else if (minus_one_ptid == ptid) |
5b6d1e4f | 898 | targ->threads_executing = false; |
b57bacec PA |
899 | } |
900 | ||
901 | /* See gdbthread.h. */ | |
902 | ||
5b6d1e4f PA |
903 | bool |
904 | threads_are_executing (process_stratum_target *target) | |
b57bacec | 905 | { |
5b6d1e4f | 906 | return target->threads_executing; |
8ea051c5 PA |
907 | } |
908 | ||
252fbfc8 | 909 | void |
5b6d1e4f | 910 | set_stop_requested (process_stratum_target *targ, ptid_t ptid, bool stop) |
252fbfc8 | 911 | { |
5b6d1e4f | 912 | for (thread_info *tp : all_non_exited_threads (targ, ptid)) |
08036331 | 913 | tp->stop_requested = stop; |
252fbfc8 PA |
914 | |
915 | /* Call the stop requested observer so other components of GDB can | |
916 | react to this request. */ | |
917 | if (stop) | |
76727919 | 918 | gdb::observers::thread_stop_requested.notify (ptid); |
252fbfc8 PA |
919 | } |
920 | ||
29f49a6a | 921 | void |
5b6d1e4f | 922 | finish_thread_state (process_stratum_target *targ, ptid_t ptid) |
29f49a6a | 923 | { |
08036331 | 924 | bool any_started = false; |
29f49a6a | 925 | |
5b6d1e4f | 926 | for (thread_info *tp : all_non_exited_threads (targ, ptid)) |
08036331 PA |
927 | if (set_running_thread (tp, tp->executing)) |
928 | any_started = true; | |
29f49a6a PA |
929 | |
930 | if (any_started) | |
76727919 | 931 | gdb::observers::target_resumed.notify (ptid); |
29f49a6a PA |
932 | } |
933 | ||
a911d87a PA |
934 | /* See gdbthread.h. */ |
935 | ||
936 | void | |
937 | validate_registers_access (void) | |
938 | { | |
939 | /* No selected thread, no registers. */ | |
9295a5a9 | 940 | if (inferior_ptid == null_ptid) |
a911d87a PA |
941 | error (_("No thread selected.")); |
942 | ||
00431a78 PA |
943 | thread_info *tp = inferior_thread (); |
944 | ||
a911d87a | 945 | /* Don't try to read from a dead thread. */ |
00431a78 | 946 | if (tp->state == THREAD_EXITED) |
a911d87a PA |
947 | error (_("The current thread has terminated")); |
948 | ||
949 | /* ... or from a spinning thread. FIXME: This isn't actually fully | |
950 | correct. It'll allow an user-requested access (e.g., "print $pc" | |
951 | at the prompt) when a thread is not executing for some internal | |
952 | reason, but is marked running from the user's perspective. E.g., | |
953 | the thread is waiting for its turn in the step-over queue. */ | |
00431a78 | 954 | if (tp->executing) |
a911d87a PA |
955 | error (_("Selected thread is running.")); |
956 | } | |
957 | ||
cf77c34e MM |
958 | /* See gdbthread.h. */ |
959 | ||
960 | bool | |
00431a78 | 961 | can_access_registers_thread (thread_info *thread) |
cf77c34e MM |
962 | { |
963 | /* No thread, no registers. */ | |
00431a78 | 964 | if (thread == NULL) |
cf77c34e MM |
965 | return false; |
966 | ||
967 | /* Don't try to read from a dead thread. */ | |
00431a78 | 968 | if (thread->state == THREAD_EXITED) |
cf77c34e MM |
969 | return false; |
970 | ||
971 | /* ... or from a spinning thread. FIXME: see validate_registers_access. */ | |
00431a78 | 972 | if (thread->executing) |
cf77c34e MM |
973 | return false; |
974 | ||
975 | return true; | |
976 | } | |
977 | ||
ce4c476a PA |
978 | int |
979 | pc_in_thread_step_range (CORE_ADDR pc, struct thread_info *thread) | |
980 | { | |
981 | return (pc >= thread->control.step_range_start | |
982 | && pc < thread->control.step_range_end); | |
983 | } | |
984 | ||
5d5658a1 PA |
985 | /* Helper for print_thread_info. Returns true if THR should be |
986 | printed. If REQUESTED_THREADS, a list of GDB ids/ranges, is not | |
987 | NULL, only print THR if its ID is included in the list. GLOBAL_IDS | |
988 | is true if REQUESTED_THREADS is list of global IDs, false if a list | |
989 | of per-inferior thread ids. If PID is not -1, only print THR if it | |
990 | is a thread from the process PID. Otherwise, threads from all | |
991 | attached PIDs are printed. If both REQUESTED_THREADS is not NULL | |
992 | and PID is not -1, then the thread is printed if it belongs to the | |
993 | specified process. Otherwise, an error is raised. */ | |
994 | ||
995 | static int | |
996 | should_print_thread (const char *requested_threads, int default_inf_num, | |
997 | int global_ids, int pid, struct thread_info *thr) | |
998 | { | |
999 | if (requested_threads != NULL && *requested_threads != '\0') | |
1000 | { | |
1001 | int in_list; | |
1002 | ||
1003 | if (global_ids) | |
1004 | in_list = number_is_in_list (requested_threads, thr->global_num); | |
1005 | else | |
1006 | in_list = tid_is_in_list (requested_threads, default_inf_num, | |
1007 | thr->inf->num, thr->per_inf_num); | |
1008 | if (!in_list) | |
1009 | return 0; | |
1010 | } | |
1011 | ||
e99b03dc | 1012 | if (pid != -1 && thr->ptid.pid () != pid) |
5d5658a1 PA |
1013 | { |
1014 | if (requested_threads != NULL && *requested_threads != '\0') | |
1015 | error (_("Requested thread not found in requested process")); | |
1016 | return 0; | |
1017 | } | |
1018 | ||
1019 | if (thr->state == THREAD_EXITED) | |
1020 | return 0; | |
1021 | ||
1022 | return 1; | |
1023 | } | |
1024 | ||
75acb486 PA |
1025 | /* Return the string to display in "info threads"'s "Target Id" |
1026 | column, for TP. */ | |
1027 | ||
1028 | static std::string | |
1029 | thread_target_id_str (thread_info *tp) | |
1030 | { | |
a068643d | 1031 | std::string target_id = target_pid_to_str (tp->ptid); |
75acb486 PA |
1032 | const char *extra_info = target_extra_thread_info (tp); |
1033 | const char *name = tp->name != nullptr ? tp->name : target_thread_name (tp); | |
1034 | ||
1035 | if (extra_info != nullptr && name != nullptr) | |
a068643d TT |
1036 | return string_printf ("%s \"%s\" (%s)", target_id.c_str (), name, |
1037 | extra_info); | |
75acb486 | 1038 | else if (extra_info != nullptr) |
a068643d | 1039 | return string_printf ("%s (%s)", target_id.c_str (), extra_info); |
75acb486 | 1040 | else if (name != nullptr) |
a068643d | 1041 | return string_printf ("%s \"%s\"", target_id.c_str (), name); |
75acb486 PA |
1042 | else |
1043 | return target_id; | |
1044 | } | |
1045 | ||
5d5658a1 PA |
1046 | /* Like print_thread_info, but in addition, GLOBAL_IDS indicates |
1047 | whether REQUESTED_THREADS is a list of global or per-inferior | |
1048 | thread ids. */ | |
1049 | ||
1050 | static void | |
1d12d88f | 1051 | print_thread_info_1 (struct ui_out *uiout, const char *requested_threads, |
5d5658a1 PA |
1052 | int global_ids, int pid, |
1053 | int show_global_ids) | |
c906108c | 1054 | { |
5d5658a1 | 1055 | int default_inf_num = current_inferior ()->num; |
c906108c | 1056 | |
dc146f7c | 1057 | update_thread_list (); |
00431a78 PA |
1058 | |
1059 | /* Whether we saw any thread. */ | |
1060 | bool any_thread = false; | |
1061 | /* Whether the current thread is exited. */ | |
1062 | bool current_exited = false; | |
1063 | ||
1064 | thread_info *current_thread = (inferior_ptid != null_ptid | |
1065 | ? inferior_thread () : NULL); | |
4f8d22e3 | 1066 | |
f8cc3da6 TT |
1067 | { |
1068 | /* For backward compatibility, we make a list for MI. A table is | |
1069 | preferable for the CLI, though, because it shows table | |
1070 | headers. */ | |
1071 | gdb::optional<ui_out_emit_list> list_emitter; | |
1072 | gdb::optional<ui_out_emit_table> table_emitter; | |
1073 | ||
f3f8ece4 PA |
1074 | /* We'll be switching threads temporarily below. */ |
1075 | scoped_restore_current_thread restore_thread; | |
1076 | ||
f8cc3da6 TT |
1077 | if (uiout->is_mi_like_p ()) |
1078 | list_emitter.emplace (uiout, "threads"); | |
1079 | else | |
1080 | { | |
1081 | int n_threads = 0; | |
75acb486 PA |
1082 | /* The width of the "Target Id" column. Grown below to |
1083 | accommodate the largest entry. */ | |
1084 | size_t target_id_col_width = 17; | |
a7658b96 | 1085 | |
08036331 | 1086 | for (thread_info *tp : all_threads ()) |
f8cc3da6 TT |
1087 | { |
1088 | if (!should_print_thread (requested_threads, default_inf_num, | |
1089 | global_ids, pid, tp)) | |
1090 | continue; | |
a7658b96 | 1091 | |
75acb486 PA |
1092 | if (!uiout->is_mi_like_p ()) |
1093 | { | |
f3f8ece4 PA |
1094 | /* Switch inferiors so we're looking at the right |
1095 | target stack. */ | |
1096 | switch_to_inferior_no_thread (tp->inf); | |
1097 | ||
75acb486 PA |
1098 | target_id_col_width |
1099 | = std::max (target_id_col_width, | |
1100 | thread_target_id_str (tp).size ()); | |
1101 | } | |
1102 | ||
f8cc3da6 TT |
1103 | ++n_threads; |
1104 | } | |
a7658b96 | 1105 | |
f8cc3da6 TT |
1106 | if (n_threads == 0) |
1107 | { | |
1108 | if (requested_threads == NULL || *requested_threads == '\0') | |
1109 | uiout->message (_("No threads.\n")); | |
1110 | else | |
1111 | uiout->message (_("No threads match '%s'.\n"), | |
1112 | requested_threads); | |
1113 | return; | |
1114 | } | |
a7658b96 | 1115 | |
0d64823e | 1116 | table_emitter.emplace (uiout, show_global_ids ? 5 : 4, |
f8cc3da6 | 1117 | n_threads, "threads"); |
a7658b96 | 1118 | |
f8cc3da6 | 1119 | uiout->table_header (1, ui_left, "current", ""); |
0d64823e SM |
1120 | uiout->table_header (4, ui_left, "id-in-tg", "Id"); |
1121 | if (show_global_ids) | |
f8cc3da6 | 1122 | uiout->table_header (4, ui_left, "id", "GId"); |
75acb486 PA |
1123 | uiout->table_header (target_id_col_width, ui_left, |
1124 | "target-id", "Target Id"); | |
f8cc3da6 TT |
1125 | uiout->table_header (1, ui_left, "frame", "Frame"); |
1126 | uiout->table_body (); | |
1127 | } | |
a7658b96 | 1128 | |
08036331 PA |
1129 | for (inferior *inf : all_inferiors ()) |
1130 | for (thread_info *tp : inf->threads ()) | |
3061113b SM |
1131 | { |
1132 | int core; | |
1133 | ||
1134 | any_thread = true; | |
1135 | if (tp == current_thread && tp->state == THREAD_EXITED) | |
1136 | current_exited = true; | |
1137 | ||
1138 | if (!should_print_thread (requested_threads, default_inf_num, | |
1139 | global_ids, pid, tp)) | |
1140 | continue; | |
1141 | ||
1142 | ui_out_emit_tuple tuple_emitter (uiout, NULL); | |
1143 | ||
1144 | if (!uiout->is_mi_like_p ()) | |
1145 | { | |
1146 | if (tp == current_thread) | |
1147 | uiout->field_string ("current", "*"); | |
1148 | else | |
1149 | uiout->field_skip ("current"); | |
1150 | ||
1151 | uiout->field_string ("id-in-tg", print_thread_id (tp)); | |
1152 | } | |
1153 | ||
1154 | if (show_global_ids || uiout->is_mi_like_p ()) | |
1155 | uiout->field_signed ("id", tp->global_num); | |
1156 | ||
f3f8ece4 PA |
1157 | /* Switch to the thread (and inferior / target). */ |
1158 | switch_to_thread (tp); | |
1159 | ||
3061113b SM |
1160 | /* For the CLI, we stuff everything into the target-id field. |
1161 | This is a gross hack to make the output come out looking | |
1162 | correct. The underlying problem here is that ui-out has no | |
1163 | way to specify that a field's space allocation should be | |
1164 | shared by several fields. For MI, we do the right thing | |
1165 | instead. */ | |
1166 | ||
1167 | if (uiout->is_mi_like_p ()) | |
1168 | { | |
1169 | uiout->field_string ("target-id", target_pid_to_str (tp->ptid)); | |
1170 | ||
1171 | const char *extra_info = target_extra_thread_info (tp); | |
1172 | if (extra_info != nullptr) | |
1173 | uiout->field_string ("details", extra_info); | |
1174 | ||
1175 | const char *name = (tp->name != nullptr | |
1176 | ? tp->name | |
1177 | : target_thread_name (tp)); | |
1178 | if (name != NULL) | |
1179 | uiout->field_string ("name", name); | |
1180 | } | |
1181 | else | |
1182 | { | |
1183 | uiout->field_string ("target-id", | |
1184 | thread_target_id_str (tp).c_str ()); | |
1185 | } | |
1186 | ||
1187 | if (tp->state == THREAD_RUNNING) | |
1188 | uiout->text ("(running)\n"); | |
1189 | else | |
1190 | { | |
f3f8ece4 | 1191 | /* The switch above put us at the top of the stack (leaf |
3061113b | 1192 | frame). */ |
3061113b SM |
1193 | print_stack_frame (get_selected_frame (NULL), |
1194 | /* For MI output, print frame level. */ | |
1195 | uiout->is_mi_like_p (), | |
1196 | LOCATION, 0); | |
1197 | } | |
1198 | ||
1199 | if (uiout->is_mi_like_p ()) | |
1200 | { | |
1201 | const char *state = "stopped"; | |
1202 | ||
1203 | if (tp->state == THREAD_RUNNING) | |
1204 | state = "running"; | |
1205 | uiout->field_string ("state", state); | |
1206 | } | |
1207 | ||
1208 | core = target_core_of_thread (tp->ptid); | |
1209 | if (uiout->is_mi_like_p () && core != -1) | |
1210 | uiout->field_signed ("core", core); | |
1211 | } | |
c906108c | 1212 | |
5ed8105e | 1213 | /* This end scope restores the current thread and the frame |
f8cc3da6 TT |
1214 | selected before the "info threads" command, and it finishes the |
1215 | ui-out list or table. */ | |
5ed8105e PA |
1216 | } |
1217 | ||
aea5b279 | 1218 | if (pid == -1 && requested_threads == NULL) |
8e8901c5 | 1219 | { |
00431a78 | 1220 | if (uiout->is_mi_like_p () && inferior_ptid != null_ptid) |
381befee | 1221 | uiout->field_signed ("current-thread-id", current_thread->global_num); |
5d5658a1 | 1222 | |
00431a78 | 1223 | if (inferior_ptid != null_ptid && current_exited) |
112e8700 | 1224 | uiout->message ("\n\ |
5d5658a1 PA |
1225 | The current thread <Thread ID %s> has terminated. See `help thread'.\n", |
1226 | print_thread_id (inferior_thread ())); | |
00431a78 | 1227 | else if (any_thread && inferior_ptid == null_ptid) |
112e8700 | 1228 | uiout->message ("\n\ |
d729566a | 1229 | No selected thread. See `help thread'.\n"); |
c906108c | 1230 | } |
c906108c SS |
1231 | } |
1232 | ||
5d5658a1 | 1233 | /* See gdbthread.h. */ |
8e8901c5 | 1234 | |
5d5658a1 | 1235 | void |
24c54127 TT |
1236 | print_thread_info (struct ui_out *uiout, const char *requested_threads, |
1237 | int pid) | |
5d5658a1 PA |
1238 | { |
1239 | print_thread_info_1 (uiout, requested_threads, 1, pid, 0); | |
1240 | } | |
1241 | ||
54d66006 PA |
1242 | /* The options for the "info threads" command. */ |
1243 | ||
1244 | struct info_threads_opts | |
1245 | { | |
1246 | /* For "-gid". */ | |
491144b5 | 1247 | bool show_global_ids = false; |
54d66006 PA |
1248 | }; |
1249 | ||
1250 | static const gdb::option::option_def info_threads_option_defs[] = { | |
1251 | ||
1252 | gdb::option::flag_option_def<info_threads_opts> { | |
1253 | "gid", | |
1254 | [] (info_threads_opts *opts) { return &opts->show_global_ids; }, | |
1255 | N_("Show global thread IDs."), | |
1256 | }, | |
1257 | ||
1258 | }; | |
1259 | ||
1260 | /* Create an option_def_group for the "info threads" options, with | |
1261 | IT_OPTS as context. */ | |
1262 | ||
1263 | static inline gdb::option::option_def_group | |
1264 | make_info_threads_options_def_group (info_threads_opts *it_opts) | |
1265 | { | |
1266 | return {{info_threads_option_defs}, it_opts}; | |
1267 | } | |
1268 | ||
5d5658a1 | 1269 | /* Implementation of the "info threads" command. |
60f98dde MS |
1270 | |
1271 | Note: this has the drawback that it _really_ switches | |
ae0eee42 PA |
1272 | threads, which frees the frame cache. A no-side |
1273 | effects info-threads command would be nicer. */ | |
8e8901c5 VP |
1274 | |
1275 | static void | |
1d12d88f | 1276 | info_threads_command (const char *arg, int from_tty) |
8e8901c5 | 1277 | { |
54d66006 PA |
1278 | info_threads_opts it_opts; |
1279 | ||
1280 | auto grp = make_info_threads_options_def_group (&it_opts); | |
1281 | gdb::option::process_options | |
1282 | (&arg, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_ERROR, grp); | |
1283 | ||
1284 | print_thread_info_1 (current_uiout, arg, 0, -1, it_opts.show_global_ids); | |
1285 | } | |
1286 | ||
1287 | /* Completer for the "info threads" command. */ | |
c84f6bbf | 1288 | |
54d66006 PA |
1289 | static void |
1290 | info_threads_command_completer (struct cmd_list_element *ignore, | |
1291 | completion_tracker &tracker, | |
1292 | const char *text, const char *word_ignored) | |
1293 | { | |
1294 | const auto grp = make_info_threads_options_def_group (nullptr); | |
1295 | ||
1296 | if (gdb::option::complete_options | |
1297 | (tracker, &text, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_ERROR, grp)) | |
1298 | return; | |
1299 | ||
1300 | /* Convenience to let the user know what the option can accept. */ | |
1301 | if (*text == '\0') | |
c84f6bbf | 1302 | { |
54d66006 PA |
1303 | gdb::option::complete_on_all_options (tracker, grp); |
1304 | /* Keep this "ID" in sync with what "help info threads" | |
1305 | says. */ | |
1306 | tracker.add_completion (make_unique_xstrdup ("ID")); | |
c84f6bbf | 1307 | } |
8e8901c5 VP |
1308 | } |
1309 | ||
6efcd9a8 PA |
1310 | /* See gdbthread.h. */ |
1311 | ||
1312 | void | |
1313 | switch_to_thread_no_regs (struct thread_info *thread) | |
1314 | { | |
3a3fd0fd | 1315 | struct inferior *inf = thread->inf; |
6efcd9a8 | 1316 | |
6efcd9a8 PA |
1317 | set_current_program_space (inf->pspace); |
1318 | set_current_inferior (inf); | |
1319 | ||
3922b302 PA |
1320 | current_thread_ = thread; |
1321 | inferior_ptid = current_thread_->ptid; | |
6efcd9a8 PA |
1322 | } |
1323 | ||
00431a78 | 1324 | /* See gdbthread.h. */ |
c906108c | 1325 | |
00431a78 | 1326 | void |
3a3fd0fd | 1327 | switch_to_no_thread () |
c906108c | 1328 | { |
3922b302 | 1329 | if (current_thread_ == nullptr) |
3a3fd0fd | 1330 | return; |
6c95b8df | 1331 | |
3922b302 | 1332 | current_thread_ = nullptr; |
3a3fd0fd PA |
1333 | inferior_ptid = null_ptid; |
1334 | reinit_frame_cache (); | |
3a3fd0fd PA |
1335 | } |
1336 | ||
00431a78 | 1337 | /* See gdbthread.h. */ |
6c95b8df | 1338 | |
00431a78 | 1339 | void |
3a3fd0fd PA |
1340 | switch_to_thread (thread_info *thr) |
1341 | { | |
1342 | gdb_assert (thr != NULL); | |
1343 | ||
5b6d1e4f | 1344 | if (is_current_thread (thr)) |
c906108c SS |
1345 | return; |
1346 | ||
3a3fd0fd PA |
1347 | switch_to_thread_no_regs (thr); |
1348 | ||
35f196d9 | 1349 | reinit_frame_cache (); |
c906108c SS |
1350 | } |
1351 | ||
268a13a5 | 1352 | /* See gdbsupport/common-gdbthread.h. */ |
3a3fd0fd PA |
1353 | |
1354 | void | |
5b6d1e4f | 1355 | switch_to_thread (process_stratum_target *proc_target, ptid_t ptid) |
c906108c | 1356 | { |
5b6d1e4f | 1357 | thread_info *thr = find_thread_ptid (proc_target, ptid); |
00431a78 | 1358 | switch_to_thread (thr); |
99b3d574 DP |
1359 | } |
1360 | ||
79952e69 PA |
1361 | /* See frame.h. */ |
1362 | ||
873657b9 PA |
1363 | void |
1364 | scoped_restore_current_thread::restore () | |
6ecce94d | 1365 | { |
803bdfe4 YQ |
1366 | /* If an entry of thread_info was previously selected, it won't be |
1367 | deleted because we've increased its refcount. The thread represented | |
1368 | by this thread_info entry may have already exited (due to normal exit, | |
1369 | detach, etc), so the thread_info.state is THREAD_EXITED. */ | |
5ed8105e | 1370 | if (m_thread != NULL |
803bdfe4 YQ |
1371 | /* If the previously selected thread belonged to a process that has |
1372 | in the mean time exited (or killed, detached, etc.), then don't revert | |
1373 | back to it, but instead simply drop back to no thread selected. */ | |
5ed8105e | 1374 | && m_inf->pid != 0) |
cce20f10 | 1375 | switch_to_thread (m_thread.get ()); |
88fc996f | 1376 | else |
cce20f10 | 1377 | switch_to_inferior_no_thread (m_inf.get ()); |
94cc34af | 1378 | |
4f8d22e3 PA |
1379 | /* The running state of the originally selected thread may have |
1380 | changed, so we have to recheck it here. */ | |
9295a5a9 | 1381 | if (inferior_ptid != null_ptid |
5ed8105e | 1382 | && m_was_stopped |
00431a78 | 1383 | && m_thread->state == THREAD_STOPPED |
9dccd06e | 1384 | && target_has_registers () |
841de120 | 1385 | && target_has_stack () |
a739972c | 1386 | && target_has_memory ()) |
5ed8105e | 1387 | restore_selected_frame (m_selected_frame_id, m_selected_frame_level); |
79952e69 PA |
1388 | |
1389 | set_language (m_lang); | |
873657b9 PA |
1390 | } |
1391 | ||
1392 | scoped_restore_current_thread::~scoped_restore_current_thread () | |
1393 | { | |
1394 | if (!m_dont_restore) | |
79952e69 | 1395 | restore (); |
6ecce94d AC |
1396 | } |
1397 | ||
5ed8105e | 1398 | scoped_restore_current_thread::scoped_restore_current_thread () |
6ecce94d | 1399 | { |
cce20f10 | 1400 | m_inf = inferior_ref::new_reference (current_inferior ()); |
4f8d22e3 | 1401 | |
79952e69 PA |
1402 | m_lang = current_language->la_language; |
1403 | ||
9295a5a9 | 1404 | if (inferior_ptid != null_ptid) |
d729566a | 1405 | { |
cce20f10 PA |
1406 | m_thread = thread_info_ref::new_reference (inferior_thread ()); |
1407 | ||
cce20f10 | 1408 | m_was_stopped = m_thread->state == THREAD_STOPPED; |
79952e69 | 1409 | save_selected_frame (&m_selected_frame_id, &m_selected_frame_level); |
d729566a | 1410 | } |
6ecce94d AC |
1411 | } |
1412 | ||
43792cf0 PA |
1413 | /* See gdbthread.h. */ |
1414 | ||
f303dbd6 PA |
1415 | int |
1416 | show_thread_that_caused_stop (void) | |
1417 | { | |
1418 | return highest_thread_num > 1; | |
1419 | } | |
1420 | ||
1421 | /* See gdbthread.h. */ | |
1422 | ||
5d5658a1 PA |
1423 | int |
1424 | show_inferior_qualified_tids (void) | |
1425 | { | |
1426 | return (inferior_list->next != NULL || inferior_list->num != 1); | |
1427 | } | |
1428 | ||
1429 | /* See gdbthread.h. */ | |
1430 | ||
43792cf0 PA |
1431 | const char * |
1432 | print_thread_id (struct thread_info *thr) | |
1433 | { | |
1434 | char *s = get_print_cell (); | |
1435 | ||
5d5658a1 PA |
1436 | if (show_inferior_qualified_tids ()) |
1437 | xsnprintf (s, PRINT_CELL_SIZE, "%d.%d", thr->inf->num, thr->per_inf_num); | |
1438 | else | |
1439 | xsnprintf (s, PRINT_CELL_SIZE, "%d", thr->per_inf_num); | |
43792cf0 PA |
1440 | return s; |
1441 | } | |
1442 | ||
6665660a PA |
1443 | /* Sort an array of struct thread_info pointers by thread ID (first by |
1444 | inferior number, and then by per-inferior thread number). Sorts in | |
1445 | ascending order. */ | |
253828f1 | 1446 | |
6665660a | 1447 | static bool |
bfcb9db8 | 1448 | tp_array_compar_ascending (const thread_info_ref &a, const thread_info_ref &b) |
6665660a PA |
1449 | { |
1450 | if (a->inf->num != b->inf->num) | |
1451 | return a->inf->num < b->inf->num; | |
1452 | ||
1453 | return (a->per_inf_num < b->per_inf_num); | |
1454 | } | |
253828f1 | 1455 | |
6665660a PA |
1456 | /* Sort an array of struct thread_info pointers by thread ID (first by |
1457 | inferior number, and then by per-inferior thread number). Sorts in | |
1458 | descending order. */ | |
253828f1 | 1459 | |
c6609450 | 1460 | static bool |
bfcb9db8 | 1461 | tp_array_compar_descending (const thread_info_ref &a, const thread_info_ref &b) |
253828f1 | 1462 | { |
5d5658a1 | 1463 | if (a->inf->num != b->inf->num) |
6665660a | 1464 | return a->inf->num > b->inf->num; |
253828f1 | 1465 | |
6665660a | 1466 | return (a->per_inf_num > b->per_inf_num); |
253828f1 JK |
1467 | } |
1468 | ||
1fe75df7 PW |
1469 | /* Switch to thread THR and execute CMD. |
1470 | FLAGS.QUIET controls the printing of the thread information. | |
1471 | FLAGS.CONT and FLAGS.SILENT control how to handle errors. */ | |
1472 | ||
1473 | static void | |
1474 | thr_try_catch_cmd (thread_info *thr, const char *cmd, int from_tty, | |
1475 | const qcs_flags &flags) | |
1476 | { | |
1477 | switch_to_thread (thr); | |
b65ce565 JG |
1478 | |
1479 | /* The thread header is computed before running the command since | |
1480 | the command can change the inferior, which is not permitted | |
1481 | by thread_target_id_str. */ | |
1482 | std::string thr_header = | |
1483 | string_printf (_("\nThread %s (%s):\n"), print_thread_id (thr), | |
1484 | thread_target_id_str (thr).c_str ()); | |
1485 | ||
a70b8144 | 1486 | try |
1fe75df7 | 1487 | { |
8a522c6c PW |
1488 | std::string cmd_result = execute_command_to_string |
1489 | (cmd, from_tty, gdb_stdout->term_out ()); | |
1fe75df7 PW |
1490 | if (!flags.silent || cmd_result.length () > 0) |
1491 | { | |
1492 | if (!flags.quiet) | |
b65ce565 | 1493 | printf_filtered ("%s", thr_header.c_str ()); |
1fe75df7 PW |
1494 | printf_filtered ("%s", cmd_result.c_str ()); |
1495 | } | |
1496 | } | |
230d2906 | 1497 | catch (const gdb_exception_error &ex) |
1fe75df7 PW |
1498 | { |
1499 | if (!flags.silent) | |
1500 | { | |
1501 | if (!flags.quiet) | |
b65ce565 | 1502 | printf_filtered ("%s", thr_header.c_str ()); |
1fe75df7 | 1503 | if (flags.cont) |
3d6e9d23 | 1504 | printf_filtered ("%s\n", ex.what ()); |
1fe75df7 | 1505 | else |
eedc3f4f | 1506 | throw; |
1fe75df7 PW |
1507 | } |
1508 | } | |
1fe75df7 PW |
1509 | } |
1510 | ||
6665660a PA |
1511 | /* Option definition of "thread apply"'s "-ascending" option. */ |
1512 | ||
1513 | static const gdb::option::flag_option_def<> ascending_option_def = { | |
1514 | "ascending", | |
1515 | N_("\ | |
1516 | Call COMMAND for all threads in ascending order.\n\ | |
1517 | The default is descending order."), | |
1518 | }; | |
1519 | ||
1520 | /* The qcs command line flags for the "thread apply" commands. Keep | |
1521 | this in sync with the "frame apply" commands. */ | |
1522 | ||
1523 | using qcs_flag_option_def | |
1524 | = gdb::option::flag_option_def<qcs_flags>; | |
1525 | ||
1526 | static const gdb::option::option_def thr_qcs_flags_option_defs[] = { | |
1527 | qcs_flag_option_def { | |
1528 | "q", [] (qcs_flags *opt) { return &opt->quiet; }, | |
1529 | N_("Disables printing the thread information."), | |
1530 | }, | |
1531 | ||
1532 | qcs_flag_option_def { | |
1533 | "c", [] (qcs_flags *opt) { return &opt->cont; }, | |
1534 | N_("Print any error raised by COMMAND and continue."), | |
1535 | }, | |
1536 | ||
1537 | qcs_flag_option_def { | |
1538 | "s", [] (qcs_flags *opt) { return &opt->silent; }, | |
1539 | N_("Silently ignore any errors or empty output produced by COMMAND."), | |
1540 | }, | |
1541 | }; | |
1542 | ||
1543 | /* Create an option_def_group for the "thread apply all" options, with | |
1544 | ASCENDING and FLAGS as context. */ | |
1545 | ||
1546 | static inline std::array<gdb::option::option_def_group, 2> | |
491144b5 | 1547 | make_thread_apply_all_options_def_group (bool *ascending, |
6665660a PA |
1548 | qcs_flags *flags) |
1549 | { | |
1550 | return {{ | |
66eb1ed3 PA |
1551 | { {ascending_option_def.def ()}, ascending}, |
1552 | { {thr_qcs_flags_option_defs}, flags }, | |
6665660a PA |
1553 | }}; |
1554 | } | |
1555 | ||
1556 | /* Create an option_def_group for the "thread apply" options, with | |
1557 | FLAGS as context. */ | |
1558 | ||
1559 | static inline gdb::option::option_def_group | |
1560 | make_thread_apply_options_def_group (qcs_flags *flags) | |
1561 | { | |
66eb1ed3 | 1562 | return {{thr_qcs_flags_option_defs}, flags}; |
6665660a PA |
1563 | } |
1564 | ||
c906108c | 1565 | /* Apply a GDB command to a list of threads. List syntax is a whitespace |
224608c3 PW |
1566 | separated list of numbers, or ranges, or the keyword `all'. Ranges consist |
1567 | of two numbers separated by a hyphen. Examples: | |
c906108c | 1568 | |
c5aa993b JM |
1569 | thread apply 1 2 7 4 backtrace Apply backtrace cmd to threads 1,2,7,4 |
1570 | thread apply 2-7 9 p foo(1) Apply p foo(1) cmd to threads 2->7 & 9 | |
224608c3 | 1571 | thread apply all x/i $pc Apply x/i $pc cmd to all threads. */ |
c906108c SS |
1572 | |
1573 | static void | |
5fed81ff | 1574 | thread_apply_all_command (const char *cmd, int from_tty) |
c906108c | 1575 | { |
491144b5 | 1576 | bool ascending = false; |
1fe75df7 PW |
1577 | qcs_flags flags; |
1578 | ||
6665660a PA |
1579 | auto group = make_thread_apply_all_options_def_group (&ascending, |
1580 | &flags); | |
1581 | gdb::option::process_options | |
1582 | (&cmd, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_OPERAND, group); | |
1fe75df7 | 1583 | |
6665660a | 1584 | validate_flags_qcs ("thread apply all", &flags); |
253828f1 | 1585 | |
c906108c | 1586 | if (cmd == NULL || *cmd == '\000') |
1fe75df7 | 1587 | error (_("Please specify a command at the end of 'thread apply all'")); |
94cc34af | 1588 | |
dc146f7c | 1589 | update_thread_list (); |
e9d196c5 | 1590 | |
c6609450 | 1591 | int tc = live_threads_count (); |
a25d8bf9 | 1592 | if (tc != 0) |
054e8d9e | 1593 | { |
c6609450 PA |
1594 | /* Save a copy of the thread list and increment each thread's |
1595 | refcount while executing the command in the context of each | |
1596 | thread, in case the command is one that wipes threads. E.g., | |
1597 | detach, kill, disconnect, etc., or even normally continuing | |
1598 | over an inferior or thread exit. */ | |
bfcb9db8 | 1599 | std::vector<thread_info_ref> thr_list_cpy; |
c6609450 | 1600 | thr_list_cpy.reserve (tc); |
054e8d9e | 1601 | |
08036331 | 1602 | for (thread_info *tp : all_non_exited_threads ()) |
bfcb9db8 | 1603 | thr_list_cpy.push_back (thread_info_ref::new_reference (tp)); |
08036331 | 1604 | gdb_assert (thr_list_cpy.size () == tc); |
054e8d9e | 1605 | |
6665660a PA |
1606 | auto *sorter = (ascending |
1607 | ? tp_array_compar_ascending | |
1608 | : tp_array_compar_descending); | |
1609 | std::sort (thr_list_cpy.begin (), thr_list_cpy.end (), sorter); | |
054e8d9e | 1610 | |
5ed8105e PA |
1611 | scoped_restore_current_thread restore_thread; |
1612 | ||
bfcb9db8 TT |
1613 | for (thread_info_ref &thr : thr_list_cpy) |
1614 | if (switch_to_thread_if_alive (thr.get ())) | |
1615 | thr_try_catch_cmd (thr.get (), cmd, from_tty, flags); | |
054e8d9e | 1616 | } |
c906108c SS |
1617 | } |
1618 | ||
6665660a PA |
1619 | /* Completer for "thread apply [ID list]". */ |
1620 | ||
1621 | static void | |
1622 | thread_apply_command_completer (cmd_list_element *ignore, | |
1623 | completion_tracker &tracker, | |
1624 | const char *text, const char * /*word*/) | |
1625 | { | |
1626 | /* Don't leave this to complete_options because there's an early | |
1627 | return below. */ | |
1628 | tracker.set_use_custom_word_point (true); | |
1629 | ||
1630 | tid_range_parser parser; | |
1631 | parser.init (text, current_inferior ()->num); | |
1632 | ||
1633 | try | |
1634 | { | |
1635 | while (!parser.finished ()) | |
1636 | { | |
1637 | int inf_num, thr_start, thr_end; | |
1638 | ||
1639 | if (!parser.get_tid_range (&inf_num, &thr_start, &thr_end)) | |
1640 | break; | |
1641 | ||
1642 | if (parser.in_star_range () || parser.in_thread_range ()) | |
1643 | parser.skip_range (); | |
1644 | } | |
1645 | } | |
1646 | catch (const gdb_exception_error &ex) | |
1647 | { | |
1648 | /* get_tid_range throws if it parses a negative number, for | |
1649 | example. But a seemingly negative number may be the start of | |
1650 | an option instead. */ | |
1651 | } | |
1652 | ||
1653 | const char *cmd = parser.cur_tok (); | |
1654 | ||
1655 | if (cmd == text) | |
1656 | { | |
1657 | /* No thread ID list yet. */ | |
1658 | return; | |
1659 | } | |
1660 | ||
1661 | /* Check if we're past a valid thread ID list already. */ | |
1662 | if (parser.finished () | |
1663 | && cmd > text && !isspace (cmd[-1])) | |
1664 | return; | |
1665 | ||
1666 | /* We're past the thread ID list, advance word point. */ | |
1667 | tracker.advance_custom_word_point_by (cmd - text); | |
1668 | text = cmd; | |
1669 | ||
1670 | const auto group = make_thread_apply_options_def_group (nullptr); | |
1671 | if (gdb::option::complete_options | |
1672 | (tracker, &text, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_OPERAND, group)) | |
1673 | return; | |
1674 | ||
1675 | complete_nested_command_line (tracker, text); | |
1676 | } | |
1677 | ||
1678 | /* Completer for "thread apply all". */ | |
1679 | ||
1680 | static void | |
1681 | thread_apply_all_command_completer (cmd_list_element *ignore, | |
1682 | completion_tracker &tracker, | |
1683 | const char *text, const char *word) | |
1684 | { | |
1685 | const auto group = make_thread_apply_all_options_def_group (nullptr, | |
1686 | nullptr); | |
1687 | if (gdb::option::complete_options | |
1688 | (tracker, &text, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_OPERAND, group)) | |
1689 | return; | |
1690 | ||
1691 | complete_nested_command_line (tracker, text); | |
1692 | } | |
1693 | ||
43792cf0 PA |
1694 | /* Implementation of the "thread apply" command. */ |
1695 | ||
c906108c | 1696 | static void |
981a3fb3 | 1697 | thread_apply_command (const char *tidlist, int from_tty) |
c906108c | 1698 | { |
1fe75df7 | 1699 | qcs_flags flags; |
95a6b0a1 | 1700 | const char *cmd = NULL; |
bfd28288 | 1701 | tid_range_parser parser; |
c906108c SS |
1702 | |
1703 | if (tidlist == NULL || *tidlist == '\000') | |
8a3fe4f8 | 1704 | error (_("Please specify a thread ID list")); |
c906108c | 1705 | |
bfd28288 PA |
1706 | parser.init (tidlist, current_inferior ()->num); |
1707 | while (!parser.finished ()) | |
3f5b7598 PA |
1708 | { |
1709 | int inf_num, thr_start, thr_end; | |
c906108c | 1710 | |
bfd28288 | 1711 | if (!parser.get_tid_range (&inf_num, &thr_start, &thr_end)) |
b9a3f842 | 1712 | break; |
3f5b7598 PA |
1713 | } |
1714 | ||
b9a3f842 PA |
1715 | cmd = parser.cur_tok (); |
1716 | ||
6665660a PA |
1717 | auto group = make_thread_apply_options_def_group (&flags); |
1718 | gdb::option::process_options | |
1719 | (&cmd, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_OPERAND, group); | |
1720 | ||
1721 | validate_flags_qcs ("thread apply", &flags); | |
1fe75df7 | 1722 | |
b9a3f842 | 1723 | if (*cmd == '\0') |
8a3fe4f8 | 1724 | error (_("Please specify a command following the thread ID list")); |
c906108c | 1725 | |
f7e13587 | 1726 | if (tidlist == cmd || isdigit (cmd[0])) |
3f5b7598 PA |
1727 | invalid_thread_id_error (cmd); |
1728 | ||
5ed8105e | 1729 | scoped_restore_current_thread restore_thread; |
c906108c | 1730 | |
bfd28288 | 1731 | parser.init (tidlist, current_inferior ()->num); |
b9a3f842 | 1732 | while (!parser.finished ()) |
5d5658a1 PA |
1733 | { |
1734 | struct thread_info *tp = NULL; | |
1735 | struct inferior *inf; | |
1736 | int inf_num, thr_num; | |
65fc9b77 | 1737 | |
bfd28288 | 1738 | parser.get_tid (&inf_num, &thr_num); |
5d5658a1 PA |
1739 | inf = find_inferior_id (inf_num); |
1740 | if (inf != NULL) | |
1741 | tp = find_thread_id (inf, thr_num); | |
71ef29a8 | 1742 | |
bfd28288 | 1743 | if (parser.in_star_range ()) |
71ef29a8 PA |
1744 | { |
1745 | if (inf == NULL) | |
1746 | { | |
1747 | warning (_("Unknown inferior %d"), inf_num); | |
bfd28288 | 1748 | parser.skip_range (); |
71ef29a8 PA |
1749 | continue; |
1750 | } | |
1751 | ||
1752 | /* No use looking for threads past the highest thread number | |
1753 | the inferior ever had. */ | |
1754 | if (thr_num >= inf->highest_thread_num) | |
bfd28288 | 1755 | parser.skip_range (); |
71ef29a8 PA |
1756 | |
1757 | /* Be quiet about unknown threads numbers. */ | |
1758 | if (tp == NULL) | |
1759 | continue; | |
1760 | } | |
1761 | ||
5d5658a1 PA |
1762 | if (tp == NULL) |
1763 | { | |
bfd28288 | 1764 | if (show_inferior_qualified_tids () || parser.tid_is_qualified ()) |
5d5658a1 PA |
1765 | warning (_("Unknown thread %d.%d"), inf_num, thr_num); |
1766 | else | |
1767 | warning (_("Unknown thread %d"), thr_num); | |
1768 | continue; | |
1769 | } | |
c906108c | 1770 | |
f3f8ece4 | 1771 | if (!switch_to_thread_if_alive (tp)) |
65ebfb52 | 1772 | { |
5d5658a1 PA |
1773 | warning (_("Thread %s has terminated."), print_thread_id (tp)); |
1774 | continue; | |
1775 | } | |
4f8d22e3 | 1776 | |
1fe75df7 | 1777 | thr_try_catch_cmd (tp, cmd, from_tty, flags); |
c906108c SS |
1778 | } |
1779 | } | |
1780 | ||
1fe75df7 PW |
1781 | |
1782 | /* Implementation of the "taas" command. */ | |
1783 | ||
1784 | static void | |
1785 | taas_command (const char *cmd, int from_tty) | |
1786 | { | |
e0fad1ea PW |
1787 | if (cmd == NULL || *cmd == '\0') |
1788 | error (_("Please specify a command to apply on all threads")); | |
1fe75df7 PW |
1789 | std::string expanded = std::string ("thread apply all -s ") + cmd; |
1790 | execute_command (expanded.c_str (), from_tty); | |
1791 | } | |
1792 | ||
1793 | /* Implementation of the "tfaas" command. */ | |
1794 | ||
1795 | static void | |
1796 | tfaas_command (const char *cmd, int from_tty) | |
1797 | { | |
e0fad1ea PW |
1798 | if (cmd == NULL || *cmd == '\0') |
1799 | error (_("Please specify a command to apply on all frames of all threads")); | |
1fe75df7 | 1800 | std::string expanded |
5d707134 | 1801 | = std::string ("thread apply all -s -- frame apply all -s ") + cmd; |
1fe75df7 PW |
1802 | execute_command (expanded.c_str (), from_tty); |
1803 | } | |
1804 | ||
224608c3 | 1805 | /* Switch to the specified thread, or print the current thread. */ |
c906108c | 1806 | |
f0e8c4c5 | 1807 | void |
981a3fb3 | 1808 | thread_command (const char *tidstr, int from_tty) |
c906108c | 1809 | { |
4034d0ff | 1810 | if (tidstr == NULL) |
c906108c | 1811 | { |
9295a5a9 | 1812 | if (inferior_ptid == null_ptid) |
d729566a PA |
1813 | error (_("No thread selected")); |
1814 | ||
841de120 | 1815 | if (target_has_stack ()) |
4f8d22e3 | 1816 | { |
43792cf0 PA |
1817 | struct thread_info *tp = inferior_thread (); |
1818 | ||
00431a78 | 1819 | if (tp->state == THREAD_EXITED) |
43792cf0 PA |
1820 | printf_filtered (_("[Current thread is %s (%s) (exited)]\n"), |
1821 | print_thread_id (tp), | |
a068643d | 1822 | target_pid_to_str (inferior_ptid).c_str ()); |
4f8d22e3 | 1823 | else |
43792cf0 PA |
1824 | printf_filtered (_("[Current thread is %s (%s)]\n"), |
1825 | print_thread_id (tp), | |
a068643d | 1826 | target_pid_to_str (inferior_ptid).c_str ()); |
4f8d22e3 | 1827 | } |
c906108c | 1828 | else |
8a3fe4f8 | 1829 | error (_("No stack.")); |
c906108c | 1830 | } |
4034d0ff AT |
1831 | else |
1832 | { | |
1833 | ptid_t previous_ptid = inferior_ptid; | |
4034d0ff | 1834 | |
65630365 | 1835 | thread_select (tidstr, parse_thread_id (tidstr, NULL)); |
c5394b80 | 1836 | |
ae0eee42 PA |
1837 | /* Print if the thread has not changed, otherwise an event will |
1838 | be sent. */ | |
9295a5a9 | 1839 | if (inferior_ptid == previous_ptid) |
4034d0ff AT |
1840 | { |
1841 | print_selected_thread_frame (current_uiout, | |
1842 | USER_SELECTED_THREAD | |
1843 | | USER_SELECTED_FRAME); | |
1844 | } | |
1845 | else | |
1846 | { | |
76727919 TT |
1847 | gdb::observers::user_selected_context_changed.notify |
1848 | (USER_SELECTED_THREAD | USER_SELECTED_FRAME); | |
4034d0ff AT |
1849 | } |
1850 | } | |
c5394b80 JM |
1851 | } |
1852 | ||
4694da01 TT |
1853 | /* Implementation of `thread name'. */ |
1854 | ||
1855 | static void | |
fc41a75b | 1856 | thread_name_command (const char *arg, int from_tty) |
4694da01 TT |
1857 | { |
1858 | struct thread_info *info; | |
1859 | ||
9295a5a9 | 1860 | if (inferior_ptid == null_ptid) |
4694da01 TT |
1861 | error (_("No thread selected")); |
1862 | ||
529480d0 | 1863 | arg = skip_spaces (arg); |
4694da01 TT |
1864 | |
1865 | info = inferior_thread (); | |
1866 | xfree (info->name); | |
1867 | info->name = arg ? xstrdup (arg) : NULL; | |
1868 | } | |
1869 | ||
60f98dde MS |
1870 | /* Find thread ids with a name, target pid, or extra info matching ARG. */ |
1871 | ||
1872 | static void | |
fc41a75b | 1873 | thread_find_command (const char *arg, int from_tty) |
60f98dde | 1874 | { |
73ede765 | 1875 | const char *tmp; |
60f98dde MS |
1876 | unsigned long match = 0; |
1877 | ||
1878 | if (arg == NULL || *arg == '\0') | |
1879 | error (_("Command requires an argument.")); | |
1880 | ||
1881 | tmp = re_comp (arg); | |
1882 | if (tmp != 0) | |
1883 | error (_("Invalid regexp (%s): %s"), tmp, arg); | |
1884 | ||
e8ef12b9 PA |
1885 | /* We're going to be switching threads. */ |
1886 | scoped_restore_current_thread restore_thread; | |
1887 | ||
60f98dde | 1888 | update_thread_list (); |
e8ef12b9 | 1889 | |
08036331 | 1890 | for (thread_info *tp : all_threads ()) |
60f98dde | 1891 | { |
e8ef12b9 PA |
1892 | switch_to_inferior_no_thread (tp->inf); |
1893 | ||
60f98dde MS |
1894 | if (tp->name != NULL && re_exec (tp->name)) |
1895 | { | |
43792cf0 PA |
1896 | printf_filtered (_("Thread %s has name '%s'\n"), |
1897 | print_thread_id (tp), tp->name); | |
60f98dde MS |
1898 | match++; |
1899 | } | |
1900 | ||
1901 | tmp = target_thread_name (tp); | |
1902 | if (tmp != NULL && re_exec (tmp)) | |
1903 | { | |
43792cf0 PA |
1904 | printf_filtered (_("Thread %s has target name '%s'\n"), |
1905 | print_thread_id (tp), tmp); | |
60f98dde MS |
1906 | match++; |
1907 | } | |
1908 | ||
a068643d TT |
1909 | std::string name = target_pid_to_str (tp->ptid); |
1910 | if (!name.empty () && re_exec (name.c_str ())) | |
60f98dde | 1911 | { |
43792cf0 | 1912 | printf_filtered (_("Thread %s has target id '%s'\n"), |
a068643d | 1913 | print_thread_id (tp), name.c_str ()); |
60f98dde MS |
1914 | match++; |
1915 | } | |
1916 | ||
1917 | tmp = target_extra_thread_info (tp); | |
1918 | if (tmp != NULL && re_exec (tmp)) | |
1919 | { | |
43792cf0 PA |
1920 | printf_filtered (_("Thread %s has extra info '%s'\n"), |
1921 | print_thread_id (tp), tmp); | |
60f98dde MS |
1922 | match++; |
1923 | } | |
1924 | } | |
1925 | if (!match) | |
1926 | printf_filtered (_("No threads match '%s'\n"), arg); | |
1927 | } | |
1928 | ||
93815fbf | 1929 | /* Print notices when new threads are attached and detached. */ |
491144b5 | 1930 | bool print_thread_events = true; |
93815fbf VP |
1931 | static void |
1932 | show_print_thread_events (struct ui_file *file, int from_tty, | |
ae0eee42 | 1933 | struct cmd_list_element *c, const char *value) |
93815fbf | 1934 | { |
3e43a32a MS |
1935 | fprintf_filtered (file, |
1936 | _("Printing of thread events is %s.\n"), | |
ae0eee42 | 1937 | value); |
93815fbf VP |
1938 | } |
1939 | ||
65630365 | 1940 | /* See gdbthread.h. */ |
c906108c | 1941 | |
65630365 PA |
1942 | void |
1943 | thread_select (const char *tidstr, thread_info *tp) | |
1944 | { | |
f3f8ece4 | 1945 | if (!switch_to_thread_if_alive (tp)) |
5d5658a1 | 1946 | error (_("Thread ID %s has terminated."), tidstr); |
c906108c | 1947 | |
db5a7484 NR |
1948 | annotate_thread_changed (); |
1949 | ||
4034d0ff AT |
1950 | /* Since the current thread may have changed, see if there is any |
1951 | exited thread we can now delete. */ | |
a05575d3 | 1952 | delete_exited_threads (); |
4034d0ff AT |
1953 | } |
1954 | ||
1955 | /* Print thread and frame switch command response. */ | |
1956 | ||
1957 | void | |
1958 | print_selected_thread_frame (struct ui_out *uiout, | |
1959 | user_selected_what selection) | |
1960 | { | |
1961 | struct thread_info *tp = inferior_thread (); | |
4034d0ff AT |
1962 | |
1963 | if (selection & USER_SELECTED_THREAD) | |
5d5658a1 | 1964 | { |
112e8700 | 1965 | if (uiout->is_mi_like_p ()) |
4034d0ff | 1966 | { |
381befee TT |
1967 | uiout->field_signed ("new-thread-id", |
1968 | inferior_thread ()->global_num); | |
4034d0ff AT |
1969 | } |
1970 | else | |
1971 | { | |
112e8700 SM |
1972 | uiout->text ("[Switching to thread "); |
1973 | uiout->field_string ("new-thread-id", print_thread_id (tp)); | |
1974 | uiout->text (" ("); | |
a068643d | 1975 | uiout->text (target_pid_to_str (inferior_ptid).c_str ()); |
112e8700 | 1976 | uiout->text (")]"); |
4034d0ff | 1977 | } |
5d5658a1 | 1978 | } |
c5394b80 | 1979 | |
30596231 | 1980 | if (tp->state == THREAD_RUNNING) |
98871305 | 1981 | { |
4034d0ff | 1982 | if (selection & USER_SELECTED_THREAD) |
112e8700 | 1983 | uiout->text ("(running)\n"); |
98871305 | 1984 | } |
4034d0ff AT |
1985 | else if (selection & USER_SELECTED_FRAME) |
1986 | { | |
1987 | if (selection & USER_SELECTED_THREAD) | |
112e8700 | 1988 | uiout->text ("\n"); |
4f8d22e3 | 1989 | |
4034d0ff AT |
1990 | if (has_stack_frames ()) |
1991 | print_stack_frame_to_uiout (uiout, get_selected_frame (NULL), | |
1992 | 1, SRC_AND_LOC, 1); | |
1993 | } | |
c5394b80 JM |
1994 | } |
1995 | ||
b57bacec | 1996 | /* Update the 'threads_executing' global based on the threads we know |
5b6d1e4f PA |
1997 | about right now. This is used by infrun to tell whether we should |
1998 | pull events out of the current target. */ | |
b57bacec PA |
1999 | |
2000 | static void | |
2001 | update_threads_executing (void) | |
2002 | { | |
5b6d1e4f PA |
2003 | process_stratum_target *targ = current_inferior ()->process_target (); |
2004 | ||
2005 | if (targ == NULL) | |
2006 | return; | |
2007 | ||
2008 | targ->threads_executing = false; | |
2009 | ||
2010 | for (inferior *inf : all_non_exited_inferiors (targ)) | |
b57bacec | 2011 | { |
5b6d1e4f PA |
2012 | if (!inf->has_execution ()) |
2013 | continue; | |
2014 | ||
2015 | /* If the process has no threads, then it must be we have a | |
2016 | process-exit event pending. */ | |
2017 | if (inf->thread_list == NULL) | |
2018 | { | |
2019 | targ->threads_executing = true; | |
2020 | return; | |
2021 | } | |
2022 | ||
2023 | for (thread_info *tp : inf->non_exited_threads ()) | |
b57bacec | 2024 | { |
5b6d1e4f PA |
2025 | if (tp->executing) |
2026 | { | |
2027 | targ->threads_executing = true; | |
2028 | return; | |
2029 | } | |
b57bacec PA |
2030 | } |
2031 | } | |
2032 | } | |
2033 | ||
dc146f7c VP |
2034 | void |
2035 | update_thread_list (void) | |
2036 | { | |
e8032dde | 2037 | target_update_thread_list (); |
b57bacec | 2038 | update_threads_executing (); |
dc146f7c VP |
2039 | } |
2040 | ||
663f6d42 PA |
2041 | /* Return a new value for the selected thread's id. Return a value of |
2042 | 0 if no thread is selected. If GLOBAL is true, return the thread's | |
2043 | global number. Otherwise return the per-inferior number. */ | |
2044 | ||
2045 | static struct value * | |
2046 | thread_num_make_value_helper (struct gdbarch *gdbarch, int global) | |
2047 | { | |
663f6d42 PA |
2048 | int int_val; |
2049 | ||
00431a78 | 2050 | if (inferior_ptid == null_ptid) |
663f6d42 | 2051 | int_val = 0; |
663f6d42 | 2052 | else |
00431a78 PA |
2053 | { |
2054 | thread_info *tp = inferior_thread (); | |
2055 | if (global) | |
2056 | int_val = tp->global_num; | |
2057 | else | |
2058 | int_val = tp->per_inf_num; | |
2059 | } | |
663f6d42 PA |
2060 | |
2061 | return value_from_longest (builtin_type (gdbarch)->builtin_int, int_val); | |
2062 | } | |
2063 | ||
5d5658a1 PA |
2064 | /* Return a new value for the selected thread's per-inferior thread |
2065 | number. Return a value of 0 if no thread is selected, or no | |
2066 | threads exist. */ | |
6aed2dbc SS |
2067 | |
2068 | static struct value * | |
ae0eee42 PA |
2069 | thread_id_per_inf_num_make_value (struct gdbarch *gdbarch, |
2070 | struct internalvar *var, | |
663f6d42 | 2071 | void *ignore) |
6aed2dbc | 2072 | { |
663f6d42 PA |
2073 | return thread_num_make_value_helper (gdbarch, 0); |
2074 | } | |
2075 | ||
2076 | /* Return a new value for the selected thread's global id. Return a | |
2077 | value of 0 if no thread is selected, or no threads exist. */ | |
6aed2dbc | 2078 | |
663f6d42 PA |
2079 | static struct value * |
2080 | global_thread_id_make_value (struct gdbarch *gdbarch, struct internalvar *var, | |
2081 | void *ignore) | |
2082 | { | |
2083 | return thread_num_make_value_helper (gdbarch, 1); | |
6aed2dbc SS |
2084 | } |
2085 | ||
c906108c SS |
2086 | /* Commands with a prefix of `thread'. */ |
2087 | struct cmd_list_element *thread_cmd_list = NULL; | |
2088 | ||
22d2b532 SDJ |
2089 | /* Implementation of `thread' variable. */ |
2090 | ||
2091 | static const struct internalvar_funcs thread_funcs = | |
2092 | { | |
663f6d42 PA |
2093 | thread_id_per_inf_num_make_value, |
2094 | NULL, | |
2095 | NULL | |
2096 | }; | |
2097 | ||
2098 | /* Implementation of `gthread' variable. */ | |
2099 | ||
2100 | static const struct internalvar_funcs gthread_funcs = | |
2101 | { | |
2102 | global_thread_id_make_value, | |
22d2b532 SDJ |
2103 | NULL, |
2104 | NULL | |
2105 | }; | |
2106 | ||
6c265988 | 2107 | void _initialize_thread (); |
c906108c | 2108 | void |
6c265988 | 2109 | _initialize_thread () |
c906108c SS |
2110 | { |
2111 | static struct cmd_list_element *thread_apply_list = NULL; | |
5d707134 | 2112 | cmd_list_element *c; |
c906108c | 2113 | |
54d66006 PA |
2114 | const auto info_threads_opts = make_info_threads_options_def_group (nullptr); |
2115 | ||
2116 | /* Note: keep this "ID" in sync with what "info threads [TAB]" | |
2117 | suggests. */ | |
2118 | static std::string info_threads_help | |
2119 | = gdb::option::build_help (_("\ | |
2120 | Display currently known threads.\n\ | |
2121 | Usage: info threads [OPTION]... [ID]...\n\ | |
3c6eb4d4 TBA |
2122 | If ID is given, it is a space-separated list of IDs of threads to display.\n\ |
2123 | Otherwise, all threads are displayed.\n\ | |
54d66006 PA |
2124 | \n\ |
2125 | Options:\n\ | |
3c6eb4d4 | 2126 | %OPTIONS%"), |
54d66006 PA |
2127 | info_threads_opts); |
2128 | ||
2129 | c = add_info ("threads", info_threads_command, info_threads_help.c_str ()); | |
2130 | set_cmd_completer_handle_brkchars (c, info_threads_command_completer); | |
c906108c | 2131 | |
d729566a | 2132 | add_prefix_cmd ("thread", class_run, thread_command, _("\ |
1bedd215 AC |
2133 | Use this command to switch between threads.\n\ |
2134 | The new thread ID must be currently known."), | |
d729566a | 2135 | &thread_cmd_list, "thread ", 1, &cmdlist); |
c906108c | 2136 | |
6665660a | 2137 | #define THREAD_APPLY_OPTION_HELP "\ |
1fe75df7 PW |
2138 | Prints per-inferior thread number and target system's thread id\n\ |
2139 | followed by COMMAND output.\n\ | |
6665660a PA |
2140 | \n\ |
2141 | By default, an error raised during the execution of COMMAND\n\ | |
2142 | aborts \"thread apply\".\n\ | |
2143 | \n\ | |
2144 | Options:\n\ | |
2145 | %OPTIONS%" | |
2146 | ||
2147 | const auto thread_apply_opts = make_thread_apply_options_def_group (nullptr); | |
2148 | ||
8abfcabc | 2149 | static std::string thread_apply_help = gdb::option::build_help (_("\ |
6665660a PA |
2150 | Apply a command to a list of threads.\n\ |
2151 | Usage: thread apply ID... [OPTION]... COMMAND\n\ | |
1fe75df7 | 2152 | ID is a space-separated list of IDs of threads to apply COMMAND on.\n" |
6665660a PA |
2153 | THREAD_APPLY_OPTION_HELP), |
2154 | thread_apply_opts); | |
2155 | ||
2156 | c = add_prefix_cmd ("apply", class_run, thread_apply_command, | |
2157 | thread_apply_help.c_str (), | |
2158 | &thread_apply_list, "thread apply ", 1, | |
2159 | &thread_cmd_list); | |
2160 | set_cmd_completer_handle_brkchars (c, thread_apply_command_completer); | |
c906108c | 2161 | |
6665660a PA |
2162 | const auto thread_apply_all_opts |
2163 | = make_thread_apply_all_options_def_group (nullptr, nullptr); | |
2164 | ||
8abfcabc | 2165 | static std::string thread_apply_all_help = gdb::option::build_help (_("\ |
253828f1 JK |
2166 | Apply a command to all threads.\n\ |
2167 | \n\ | |
6665660a PA |
2168 | Usage: thread apply all [OPTION]... COMMAND\n" |
2169 | THREAD_APPLY_OPTION_HELP), | |
2170 | thread_apply_all_opts); | |
2171 | ||
2172 | c = add_cmd ("all", class_run, thread_apply_all_command, | |
2173 | thread_apply_all_help.c_str (), | |
2174 | &thread_apply_list); | |
2175 | set_cmd_completer_handle_brkchars (c, thread_apply_all_command_completer); | |
c906108c | 2176 | |
6665660a | 2177 | c = add_com ("taas", class_run, taas_command, _("\ |
1fe75df7 | 2178 | Apply a command to all threads (ignoring errors and empty output).\n\ |
6665660a PA |
2179 | Usage: taas [OPTION]... COMMAND\n\ |
2180 | shortcut for 'thread apply all -s [OPTION]... COMMAND'\n\ | |
2181 | See \"help thread apply all\" for available options.")); | |
2182 | set_cmd_completer_handle_brkchars (c, thread_apply_all_command_completer); | |
1fe75df7 | 2183 | |
5d707134 | 2184 | c = add_com ("tfaas", class_run, tfaas_command, _("\ |
1fe75df7 | 2185 | Apply a command to all frames of all threads (ignoring errors and empty output).\n\ |
5d707134 PA |
2186 | Usage: tfaas [OPTION]... COMMAND\n\ |
2187 | shortcut for 'thread apply all -s -- frame apply all -s [OPTION]... COMMAND'\n\ | |
2188 | See \"help frame apply all\" for available options.")); | |
2189 | set_cmd_completer_handle_brkchars (c, frame_apply_all_cmd_completer); | |
1fe75df7 | 2190 | |
4694da01 TT |
2191 | add_cmd ("name", class_run, thread_name_command, |
2192 | _("Set the current thread's name.\n\ | |
2193 | Usage: thread name [NAME]\n\ | |
2194 | If NAME is not given, then any existing name is removed."), &thread_cmd_list); | |
2195 | ||
60f98dde MS |
2196 | add_cmd ("find", class_run, thread_find_command, _("\ |
2197 | Find threads that match a regular expression.\n\ | |
2198 | Usage: thread find REGEXP\n\ | |
2199 | Will display thread ids whose name, target ID, or extra info matches REGEXP."), | |
2200 | &thread_cmd_list); | |
2201 | ||
4f45d445 | 2202 | add_com_alias ("t", "thread", class_run, 1); |
93815fbf VP |
2203 | |
2204 | add_setshow_boolean_cmd ("thread-events", no_class, | |
ae0eee42 | 2205 | &print_thread_events, _("\ |
11c68c47 EZ |
2206 | Set printing of thread events (such as thread start and exit)."), _("\ |
2207 | Show printing of thread events (such as thread start and exit)."), NULL, | |
ae0eee42 PA |
2208 | NULL, |
2209 | show_print_thread_events, | |
2210 | &setprintlist, &showprintlist); | |
6aed2dbc | 2211 | |
22d2b532 | 2212 | create_internalvar_type_lazy ("_thread", &thread_funcs, NULL); |
663f6d42 | 2213 | create_internalvar_type_lazy ("_gthread", >hread_funcs, NULL); |
c906108c | 2214 | } |