Commit | Line | Data |
---|---|---|
da0baf42 | 1 | /* Multi-process/thread control for GDB, the GNU debugger. |
87feff9d | 2 | Copyright 1986, 1987, 1988, 1993, 1998 |
da0baf42 SG |
3 | |
4 | Contributed by Lynx Real-Time Systems, Inc. Los Gatos, CA. | |
5 | Free Software Foundation, Inc. | |
6 | ||
7 | This file is part of GDB. | |
8 | ||
9 | This program is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 2 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | This program is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
20 | along with this program; if not, write to the Free Software | |
6c9638b4 | 21 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
25286543 SG |
22 | |
23 | #include "defs.h" | |
24 | #include "symtab.h" | |
25 | #include "frame.h" | |
26 | #include "inferior.h" | |
27 | #include "environ.h" | |
28 | #include "value.h" | |
29 | #include "target.h" | |
fdfa3315 | 30 | #include "gdbthread.h" |
46c28185 | 31 | #include "command.h" |
89ce0c8f | 32 | #include "gdbcmd.h" |
25286543 | 33 | |
89ce0c8f | 34 | #include <ctype.h> |
25286543 SG |
35 | #include <sys/types.h> |
36 | #include <signal.h> | |
37 | ||
38 | /*#include "lynxos-core.h"*/ | |
39 | ||
40 | struct thread_info | |
41 | { | |
42 | struct thread_info *next; | |
43 | int pid; /* Actual process id */ | |
44 | int num; /* Convenient handle */ | |
88a294b1 JL |
45 | CORE_ADDR prev_pc; /* State from wait_for_inferior */ |
46 | CORE_ADDR prev_func_start; | |
47 | char *prev_func_name; | |
48 | struct breakpoint *step_resume_breakpoint; | |
49 | struct breakpoint *through_sigtramp_breakpoint; | |
50 | CORE_ADDR step_range_start; | |
51 | CORE_ADDR step_range_end; | |
52 | CORE_ADDR step_frame_address; | |
53 | int trap_expected; | |
54 | int handling_longjmp; | |
55 | int another_trap; | |
25286543 | 56 | |
65b07ddc DT |
57 | /* This is set TRUE when a catchpoint of a shared library event |
58 | triggers. Since we don't wish to leave the inferior in the | |
59 | solib hook when we report the event, we step the inferior | |
60 | back to user code before stopping and reporting the event. | |
61 | */ | |
62 | int stepping_through_solib_after_catch; | |
63 | ||
64 | /* When stepping_through_solib_after_catch is TRUE, this is a | |
65 | list of the catchpoints that should be reported as triggering | |
66 | when we finally do stop stepping. | |
67 | */ | |
68 | bpstat stepping_through_solib_catchpoints; | |
25286543 | 69 | |
65b07ddc DT |
70 | /* This is set to TRUE when this thread is in a signal handler |
71 | trampoline and we're single-stepping through it */ | |
72 | int stepping_through_sigtramp; | |
73 | ||
74 | }; | |
9ee59844 JM |
75 | |
76 | static struct target_thread_vector *target_thread_functions; | |
77 | ||
78 | int | |
79 | target_find_new_threads () | |
80 | { | |
81 | int retval = 0; | |
82 | if (target_thread_functions && | |
83 | target_thread_functions->find_new_threads) | |
84 | retval = (*(target_thread_functions->find_new_threads)) (); | |
85 | return retval; /* no support */ | |
86 | } | |
87 | ||
88 | ||
89 | int | |
90 | target_get_thread_info PARAMS (( | |
91 | gdb_threadref * ref, | |
92 | int selection, /* FIXME: Selection */ | |
93 | struct gdb_ext_thread_info * info)); | |
94 | ||
95 | int | |
96 | target_get_thread_info (ref, selection, info) | |
97 | ||
98 | gdb_threadref *ref; | |
99 | int selection; | |
100 | /* FIXME: Selection */ | |
101 | struct gdb_ext_thread_info *info; | |
102 | ||
103 | { | |
104 | int retval = 0; | |
105 | if (target_thread_functions | |
106 | && target_thread_functions->get_thread_info) | |
107 | retval = (*(target_thread_functions->get_thread_info)) (ref, selection, info); | |
108 | return retval; | |
109 | } | |
110 | ||
111 | ||
112 | /* It is possible that these bind and unbinf functions implement a | |
113 | stack the interface allows it, but its not implemented that way | |
114 | */ | |
115 | ||
116 | ||
117 | void | |
118 | bind_target_thread_vector (vec) | |
119 | struct target_thread_vector *vec; | |
120 | { | |
121 | target_thread_functions = vec; | |
122 | } | |
65b07ddc | 123 | |
879c0417 | 124 | /* Prototypes for exported functions. */ |
25286543 | 125 | |
9ee59844 JM |
126 | struct target_thread_vector * |
127 | unbind_target_thread_vector () | |
128 | { | |
129 | struct target_thread_vector *retval; | |
130 | retval = target_thread_functions; | |
131 | target_thread_functions = 0; | |
132 | return retval; | |
133 | } /* unbind_target_thread-vector */ | |
134 | ||
879c0417 | 135 | void _initialize_thread PARAMS ((void)); |
25286543 | 136 | |
9ee59844 | 137 | |
879c0417 | 138 | /* Prototypes for local functions. */ |
9ee59844 JM |
139 | /* If the host has threads, the host machine definition may |
140 | set this macro. But, for remote thread debugging, it gets more | |
141 | complex and setting macros does not bind to the various target | |
142 | dependent methods well. So, we use the vector target_thread_functions | |
143 | */ | |
144 | #if !defined(FIND_NEW_THREADS) | |
145 | #define FIND_NEW_THREADS target_find_new_threads | |
146 | #endif | |
147 | ||
148 | static struct thread_info *thread_list = NULL; | |
149 | static int highest_thread_num; | |
150 | ||
151 | static void | |
152 | thread_command PARAMS ((char * tidstr, int from_tty)); | |
153 | static void | |
154 | prune_threads PARAMS ((void)); | |
155 | ||
156 | static void | |
157 | switch_to_thread PARAMS ((int pid)); | |
158 | ||
159 | static struct thread_info * | |
160 | find_thread_id PARAMS ((int num)); | |
25286543 | 161 | |
9ee59844 JM |
162 | static void |
163 | info_threads_command PARAMS ((char *, int)); | |
b607efe7 | 164 | |
9ee59844 JM |
165 | static void |
166 | restore_current_thread PARAMS ((int)); | |
b607efe7 | 167 | |
9ee59844 JM |
168 | static void |
169 | thread_apply_all_command PARAMS ((char *, int)); | |
b607efe7 | 170 | |
9ee59844 JM |
171 | static void |
172 | thread_apply_command PARAMS ((char *, int)); | |
b607efe7 | 173 | |
879c0417 | 174 | static void info_threads_command PARAMS ((char *, int)); |
de43d7d0 | 175 | |
879c0417 JM |
176 | static void restore_current_thread PARAMS ((int)); |
177 | ||
178 | static void thread_apply_all_command PARAMS ((char *, int)); | |
179 | ||
180 | static void thread_apply_command PARAMS ((char *, int)); | |
181 | ||
182 | static int thread_alive PARAMS ((struct thread_info *)); | |
87feff9d | 183 | |
25286543 SG |
184 | void |
185 | init_thread_list () | |
186 | { | |
187 | struct thread_info *tp, *tpnext; | |
188 | ||
189 | if (!thread_list) | |
190 | return; | |
191 | ||
192 | for (tp = thread_list; tp; tp = tpnext) | |
193 | { | |
194 | tpnext = tp->next; | |
195 | free (tp); | |
196 | } | |
197 | ||
198 | thread_list = NULL; | |
199 | highest_thread_num = 0; | |
200 | } | |
201 | ||
202 | void | |
203 | add_thread (pid) | |
204 | int pid; | |
205 | { | |
206 | struct thread_info *tp; | |
207 | ||
3082244d | 208 | tp = (struct thread_info *) xmalloc (sizeof (struct thread_info)); |
25286543 SG |
209 | |
210 | tp->pid = pid; | |
211 | tp->num = ++highest_thread_num; | |
88a294b1 JL |
212 | tp->prev_pc = 0; |
213 | tp->prev_func_start = 0; | |
214 | tp->prev_func_name = NULL; | |
215 | tp->step_range_start = 0; | |
216 | tp->step_range_end = 0; | |
217 | tp->step_frame_address =0; | |
218 | tp->step_resume_breakpoint = 0; | |
219 | tp->through_sigtramp_breakpoint = 0; | |
220 | tp->handling_longjmp = 0; | |
221 | tp->trap_expected = 0; | |
222 | tp->another_trap = 0; | |
65b07ddc DT |
223 | tp->stepping_through_solib_after_catch = 0; |
224 | tp->stepping_through_solib_catchpoints = NULL; | |
225 | tp->stepping_through_sigtramp = 0; | |
25286543 SG |
226 | tp->next = thread_list; |
227 | thread_list = tp; | |
228 | } | |
229 | ||
3780c337 MS |
230 | void |
231 | delete_thread (pid) | |
232 | int pid; | |
233 | { | |
234 | struct thread_info *tp, *tpprev; | |
235 | ||
236 | tpprev = NULL; | |
237 | ||
238 | for (tp = thread_list; tp; tpprev = tp, tp = tp->next) | |
239 | if (tp->pid == pid) | |
240 | break; | |
241 | ||
242 | if (!tp) | |
243 | return; | |
244 | ||
245 | if (tpprev) | |
246 | tpprev->next = tp->next; | |
247 | else | |
248 | thread_list = tp->next; | |
249 | ||
250 | free (tp); | |
251 | ||
252 | return; | |
253 | } | |
254 | ||
25286543 SG |
255 | static struct thread_info * |
256 | find_thread_id (num) | |
257 | int num; | |
258 | { | |
259 | struct thread_info *tp; | |
260 | ||
261 | for (tp = thread_list; tp; tp = tp->next) | |
262 | if (tp->num == num) | |
263 | return tp; | |
264 | ||
265 | return NULL; | |
266 | } | |
267 | ||
de43d7d0 SG |
268 | int |
269 | valid_thread_id (num) | |
270 | int num; | |
271 | { | |
272 | struct thread_info *tp; | |
273 | ||
274 | for (tp = thread_list; tp; tp = tp->next) | |
275 | if (tp->num == num) | |
276 | return 1; | |
277 | ||
278 | return 0; | |
279 | } | |
280 | ||
281 | int | |
282 | pid_to_thread_id (pid) | |
283 | int pid; | |
284 | { | |
285 | struct thread_info *tp; | |
286 | ||
287 | for (tp = thread_list; tp; tp = tp->next) | |
288 | if (tp->pid == pid) | |
289 | return tp->num; | |
290 | ||
291 | return 0; | |
292 | } | |
293 | ||
c889a1eb MS |
294 | int |
295 | thread_id_to_pid (num) | |
296 | int num; | |
297 | { | |
298 | struct thread_info *thread = find_thread_id (num); | |
299 | if (thread) | |
300 | return thread->pid; | |
301 | else | |
302 | return -1; | |
303 | } | |
304 | ||
25286543 SG |
305 | int |
306 | in_thread_list (pid) | |
307 | int pid; | |
308 | { | |
309 | struct thread_info *tp; | |
310 | ||
311 | for (tp = thread_list; tp; tp = tp->next) | |
312 | if (tp->pid == pid) | |
313 | return 1; | |
314 | ||
315 | return 0; /* Never heard of 'im */ | |
316 | } | |
317 | ||
88a294b1 JL |
318 | /* Load infrun state for the thread PID. */ |
319 | ||
320 | void load_infrun_state (pid, prev_pc, prev_func_start, prev_func_name, | |
321 | trap_expected, step_resume_breakpoint, | |
322 | through_sigtramp_breakpoint, step_range_start, | |
323 | step_range_end, step_frame_address, | |
65b07ddc | 324 | handling_longjmp, another_trap, |
9bff382d MS |
325 | stepping_through_solib_after_catch, |
326 | stepping_through_solib_catchpoints, | |
327 | stepping_through_sigtramp) | |
88a294b1 JL |
328 | int pid; |
329 | CORE_ADDR *prev_pc; | |
330 | CORE_ADDR *prev_func_start; | |
331 | char **prev_func_name; | |
332 | int *trap_expected; | |
333 | struct breakpoint **step_resume_breakpoint; | |
334 | struct breakpoint **through_sigtramp_breakpoint; | |
335 | CORE_ADDR *step_range_start; | |
336 | CORE_ADDR *step_range_end; | |
337 | CORE_ADDR *step_frame_address; | |
338 | int *handling_longjmp; | |
339 | int *another_trap; | |
65b07ddc DT |
340 | int * stepping_through_solib_after_catch; |
341 | bpstat * stepping_through_solib_catchpoints; | |
342 | int * stepping_through_sigtramp; | |
88a294b1 JL |
343 | { |
344 | struct thread_info *tp; | |
345 | ||
346 | /* If we can't find the thread, then we're debugging a single threaded | |
347 | process. No need to do anything in that case. */ | |
348 | tp = find_thread_id (pid_to_thread_id (pid)); | |
349 | if (tp == NULL) | |
350 | return; | |
351 | ||
352 | *prev_pc = tp->prev_pc; | |
353 | *prev_func_start = tp->prev_func_start; | |
354 | *prev_func_name = tp->prev_func_name; | |
355 | *step_resume_breakpoint = tp->step_resume_breakpoint; | |
356 | *step_range_start = tp->step_range_start; | |
357 | *step_range_end = tp->step_range_end; | |
358 | *step_frame_address = tp->step_frame_address; | |
359 | *through_sigtramp_breakpoint = tp->through_sigtramp_breakpoint; | |
360 | *handling_longjmp = tp->handling_longjmp; | |
361 | *trap_expected = tp->trap_expected; | |
362 | *another_trap = tp->another_trap; | |
65b07ddc DT |
363 | *stepping_through_solib_after_catch = tp->stepping_through_solib_after_catch; |
364 | *stepping_through_solib_catchpoints = tp->stepping_through_solib_catchpoints; | |
365 | *stepping_through_sigtramp = tp->stepping_through_sigtramp; | |
88a294b1 JL |
366 | } |
367 | ||
368 | /* Save infrun state for the thread PID. */ | |
369 | ||
370 | void save_infrun_state (pid, prev_pc, prev_func_start, prev_func_name, | |
371 | trap_expected, step_resume_breakpoint, | |
372 | through_sigtramp_breakpoint, step_range_start, | |
373 | step_range_end, step_frame_address, | |
65b07ddc | 374 | handling_longjmp, another_trap, |
9bff382d MS |
375 | stepping_through_solib_after_catch, |
376 | stepping_through_solib_catchpoints, | |
377 | stepping_through_sigtramp) | |
88a294b1 JL |
378 | int pid; |
379 | CORE_ADDR prev_pc; | |
380 | CORE_ADDR prev_func_start; | |
381 | char *prev_func_name; | |
382 | int trap_expected; | |
383 | struct breakpoint *step_resume_breakpoint; | |
384 | struct breakpoint *through_sigtramp_breakpoint; | |
385 | CORE_ADDR step_range_start; | |
386 | CORE_ADDR step_range_end; | |
387 | CORE_ADDR step_frame_address; | |
388 | int handling_longjmp; | |
389 | int another_trap; | |
65b07ddc DT |
390 | int stepping_through_solib_after_catch; |
391 | bpstat stepping_through_solib_catchpoints; | |
392 | int stepping_through_sigtramp; | |
88a294b1 JL |
393 | { |
394 | struct thread_info *tp; | |
395 | ||
396 | /* If we can't find the thread, then we're debugging a single-threaded | |
397 | process. Nothing to do in that case. */ | |
398 | tp = find_thread_id (pid_to_thread_id (pid)); | |
399 | if (tp == NULL) | |
400 | return; | |
401 | ||
402 | tp->prev_pc = prev_pc; | |
403 | tp->prev_func_start = prev_func_start; | |
404 | tp->prev_func_name = prev_func_name; | |
405 | tp->step_resume_breakpoint = step_resume_breakpoint; | |
406 | tp->step_range_start = step_range_start; | |
407 | tp->step_range_end = step_range_end; | |
408 | tp->step_frame_address = step_frame_address; | |
409 | tp->through_sigtramp_breakpoint = through_sigtramp_breakpoint; | |
410 | tp->handling_longjmp = handling_longjmp; | |
411 | tp->trap_expected = trap_expected; | |
412 | tp->another_trap = another_trap; | |
65b07ddc DT |
413 | tp->stepping_through_solib_after_catch = stepping_through_solib_after_catch; |
414 | tp->stepping_through_solib_catchpoints = stepping_through_solib_catchpoints; | |
415 | tp->stepping_through_sigtramp = stepping_through_sigtramp; | |
88a294b1 JL |
416 | } |
417 | ||
2847920a MS |
418 | /* Return true if TP is an active thread. */ |
419 | static int | |
420 | thread_alive (tp) | |
421 | struct thread_info *tp; | |
422 | { | |
423 | if (tp->pid == -1) | |
424 | return 0; | |
425 | if (! target_thread_alive (tp->pid)) | |
426 | { | |
427 | tp->pid = -1; /* Mark it as dead */ | |
428 | return 0; | |
429 | } | |
430 | return 1; | |
431 | } | |
432 | ||
25286543 SG |
433 | static void |
434 | prune_threads () | |
435 | { | |
2847920a | 436 | struct thread_info *tp, *tpprev, *next; |
25286543 SG |
437 | |
438 | tpprev = 0; | |
2847920a MS |
439 | for (tp = thread_list; tp; tp = next) |
440 | { | |
441 | next = tp->next; | |
442 | if (!thread_alive (tp)) | |
443 | { | |
444 | if (tpprev) | |
445 | tpprev->next = next; | |
446 | else | |
447 | thread_list = next; | |
448 | free (tp); | |
449 | } | |
450 | else | |
451 | tpprev = tp; | |
452 | } | |
25286543 SG |
453 | } |
454 | ||
65b07ddc DT |
455 | /* Print information about currently known threads |
456 | * | |
457 | * Note: this has the drawback that it _really_ switches | |
458 | * threads, which frees the frame cache. A no-side | |
459 | * effects info-threads command would be nicer. | |
460 | */ | |
25286543 SG |
461 | |
462 | static void | |
463 | info_threads_command (arg, from_tty) | |
464 | char *arg; | |
465 | int from_tty; | |
466 | { | |
467 | struct thread_info *tp; | |
b53a1514 | 468 | int current_pid; |
9bff382d | 469 | struct frame_info *cur_frame; |
65b07ddc DT |
470 | int saved_frame_level = selected_frame_level; |
471 | int counter; | |
25286543 | 472 | |
4cc1b3f7 JK |
473 | /* Avoid coredumps which would happen if we tried to access a NULL |
474 | selected_frame. */ | |
475 | if (!target_has_stack) error ("No stack."); | |
476 | ||
2847920a | 477 | prune_threads (); |
02227894 DT |
478 | #if defined(FIND_NEW_THREADS) |
479 | FIND_NEW_THREADS (); | |
480 | #endif | |
b53a1514 | 481 | current_pid = inferior_pid; |
25286543 SG |
482 | for (tp = thread_list; tp; tp = tp->next) |
483 | { | |
25286543 SG |
484 | if (tp->pid == current_pid) |
485 | printf_filtered ("* "); | |
486 | else | |
487 | printf_filtered (" "); | |
488 | ||
65b07ddc DT |
489 | #ifdef HPUXHPPA |
490 | printf_filtered ("%d %s ", tp->num, target_tid_to_str (tp->pid)); | |
491 | #else | |
25286543 | 492 | printf_filtered ("%d %s ", tp->num, target_pid_to_str (tp->pid)); |
65b07ddc | 493 | #endif |
c889a1eb | 494 | switch_to_thread (tp->pid); |
3780c337 | 495 | if (selected_frame) |
65b07ddc | 496 | print_only_stack_frame (selected_frame, -1, 0); |
3780c337 MS |
497 | else |
498 | printf_filtered ("[No stack.]\n"); | |
25286543 SG |
499 | } |
500 | ||
c889a1eb | 501 | switch_to_thread (current_pid); |
65b07ddc DT |
502 | |
503 | /* Code below copied from "up_silently_base" in "stack.c". | |
504 | * It restores the frame set by the user before the "info threads" | |
505 | * command. We have finished the info-threads display by switching | |
506 | * back to the current thread. That switch has put us at the top | |
507 | * of the stack (leaf frame). | |
508 | */ | |
509 | counter = saved_frame_level; | |
510 | cur_frame = find_relative_frame(selected_frame, &counter); | |
9bff382d MS |
511 | if (counter != 0) |
512 | { | |
65b07ddc DT |
513 | /* Ooops, can't restore, tell user where we are. */ |
514 | warning ("Couldn't restore frame in current thread, at frame 0"); | |
515 | print_stack_frame (selected_frame, -1, 0); | |
9bff382d MS |
516 | } |
517 | else | |
518 | { | |
65b07ddc | 519 | select_frame(cur_frame, saved_frame_level); |
9bff382d | 520 | } |
65b07ddc DT |
521 | |
522 | /* re-show current frame. */ | |
523 | show_stack_frame(cur_frame); | |
25286543 SG |
524 | } |
525 | ||
526 | /* Switch from one thread to another. */ | |
527 | ||
3082244d | 528 | static void |
c889a1eb | 529 | switch_to_thread (pid) |
25286543 SG |
530 | int pid; |
531 | { | |
532 | if (pid == inferior_pid) | |
533 | return; | |
534 | ||
535 | inferior_pid = pid; | |
25286543 SG |
536 | flush_cached_frames (); |
537 | registers_changed (); | |
538 | stop_pc = read_pc(); | |
25286543 SG |
539 | select_frame (get_current_frame (), 0); |
540 | } | |
541 | ||
5090e82c SG |
542 | static void |
543 | restore_current_thread (pid) | |
544 | int pid; | |
545 | { | |
9bff382d MS |
546 | if (pid != inferior_pid) |
547 | { | |
548 | switch_to_thread (pid); | |
549 | print_stack_frame( get_current_frame(), 0, -1); | |
550 | } | |
5090e82c SG |
551 | } |
552 | ||
553 | /* Apply a GDB command to a list of threads. List syntax is a whitespace | |
554 | seperated list of numbers, or ranges, or the keyword `all'. Ranges consist | |
555 | of two numbers seperated by a hyphen. Examples: | |
556 | ||
557 | thread apply 1 2 7 4 backtrace Apply backtrace cmd to threads 1,2,7,4 | |
558 | thread apply 2-7 9 p foo(1) Apply p foo(1) cmd to threads 2->7 & 9 | |
559 | thread apply all p x/i $pc Apply x/i $pc cmd to all threads | |
560 | */ | |
561 | ||
562 | static void | |
563 | thread_apply_all_command (cmd, from_tty) | |
564 | char *cmd; | |
565 | int from_tty; | |
566 | { | |
567 | struct thread_info *tp; | |
568 | struct cleanup *old_chain; | |
569 | ||
570 | if (cmd == NULL || *cmd == '\000') | |
571 | error ("Please specify a command following the thread ID list"); | |
572 | ||
ad3b8c4a | 573 | old_chain = make_cleanup ((make_cleanup_func) restore_current_thread, |
9bff382d | 574 | (void *) inferior_pid); |
5090e82c SG |
575 | |
576 | for (tp = thread_list; tp; tp = tp->next) | |
2847920a MS |
577 | if (thread_alive (tp)) |
578 | { | |
579 | switch_to_thread (tp->pid); | |
65b07ddc | 580 | #ifdef HPUXHPPA |
9bff382d MS |
581 | printf_filtered ("\nThread %d (%s):\n", |
582 | tp->num, | |
583 | target_tid_to_str (inferior_pid)); | |
65b07ddc | 584 | #else |
2847920a MS |
585 | printf_filtered ("\nThread %d (%s):\n", tp->num, |
586 | target_pid_to_str (inferior_pid)); | |
65b07ddc | 587 | #endif |
2847920a MS |
588 | execute_command (cmd, from_tty); |
589 | } | |
5090e82c SG |
590 | } |
591 | ||
592 | static void | |
593 | thread_apply_command (tidlist, from_tty) | |
594 | char *tidlist; | |
595 | int from_tty; | |
596 | { | |
597 | char *cmd; | |
598 | char *p; | |
599 | struct cleanup *old_chain; | |
600 | ||
601 | if (tidlist == NULL || *tidlist == '\000') | |
602 | error ("Please specify a thread ID list"); | |
603 | ||
604 | for (cmd = tidlist; *cmd != '\000' && !isalpha(*cmd); cmd++); | |
605 | ||
606 | if (*cmd == '\000') | |
607 | error ("Please specify a command following the thread ID list"); | |
608 | ||
ad3b8c4a | 609 | old_chain = make_cleanup ((make_cleanup_func) restore_current_thread, |
9bff382d | 610 | (void *) inferior_pid); |
5090e82c SG |
611 | |
612 | while (tidlist < cmd) | |
613 | { | |
614 | struct thread_info *tp; | |
615 | int start, end; | |
616 | ||
617 | start = strtol (tidlist, &p, 10); | |
618 | if (p == tidlist) | |
619 | error ("Error parsing %s", tidlist); | |
620 | tidlist = p; | |
621 | ||
622 | while (*tidlist == ' ' || *tidlist == '\t') | |
623 | tidlist++; | |
624 | ||
625 | if (*tidlist == '-') /* Got a range of IDs? */ | |
626 | { | |
627 | tidlist++; /* Skip the - */ | |
628 | end = strtol (tidlist, &p, 10); | |
629 | if (p == tidlist) | |
630 | error ("Error parsing %s", tidlist); | |
631 | tidlist = p; | |
632 | ||
633 | while (*tidlist == ' ' || *tidlist == '\t') | |
634 | tidlist++; | |
635 | } | |
636 | else | |
637 | end = start; | |
638 | ||
639 | for (; start <= end; start++) | |
640 | { | |
641 | tp = find_thread_id (start); | |
642 | ||
643 | if (!tp) | |
2847920a MS |
644 | warning ("Unknown thread %d.", start); |
645 | else if (!thread_alive (tp)) | |
646 | warning ("Thread %d has terminated.", start); | |
647 | else | |
5090e82c | 648 | { |
2847920a | 649 | switch_to_thread (tp->pid); |
65b07ddc | 650 | #ifdef HPUXHPPA |
9bff382d MS |
651 | printf_filtered ("\nThread %d (%s):\n", tp->num, |
652 | target_tid_to_str (inferior_pid)); | |
65b07ddc | 653 | #else |
2847920a MS |
654 | printf_filtered ("\nThread %d (%s):\n", tp->num, |
655 | target_pid_to_str (inferior_pid)); | |
65b07ddc | 656 | #endif |
2847920a | 657 | execute_command (cmd, from_tty); |
5090e82c | 658 | } |
5090e82c SG |
659 | } |
660 | } | |
661 | } | |
662 | ||
663 | /* Switch to the specified thread. Will dispatch off to thread_apply_command | |
664 | if prefix of arg is `apply'. */ | |
665 | ||
25286543 SG |
666 | static void |
667 | thread_command (tidstr, from_tty) | |
668 | char *tidstr; | |
669 | int from_tty; | |
670 | { | |
671 | int num; | |
672 | struct thread_info *tp; | |
673 | ||
674 | if (!tidstr) | |
65b07ddc DT |
675 | { |
676 | /* Don't generate an error, just say which thread is current. */ | |
677 | if (target_has_stack) | |
678 | printf_filtered ("[Current thread is %d (%s)]\n", | |
679 | pid_to_thread_id(inferior_pid), | |
680 | #if defined(HPUXHPPA) | |
681 | target_tid_to_str(inferior_pid) | |
682 | #else | |
683 | target_pid_to_str(inferior_pid) | |
684 | #endif | |
685 | ); | |
686 | else | |
687 | error ("No stack."); | |
688 | return; | |
689 | } | |
25286543 SG |
690 | num = atoi (tidstr); |
691 | ||
692 | tp = find_thread_id (num); | |
693 | ||
694 | if (!tp) | |
695 | error ("Thread ID %d not known. Use the \"info threads\" command to\n\ | |
696 | see the IDs of currently known threads.", num); | |
2847920a MS |
697 | |
698 | if (!thread_alive (tp)) | |
699 | error ("Thread ID %d has terminated.\n", num); | |
25286543 | 700 | |
c889a1eb | 701 | switch_to_thread (tp->pid); |
65b07ddc | 702 | |
4ff5d55a MH |
703 | if (context_hook) |
704 | context_hook (num); | |
65b07ddc DT |
705 | |
706 | printf_filtered ("[Switching to thread %d (%s)]\n", | |
707 | pid_to_thread_id (inferior_pid), | |
708 | #if defined(HPUXHPPA) | |
709 | target_tid_to_str (inferior_pid) | |
710 | #else | |
711 | target_pid_to_str (inferior_pid) | |
712 | #endif | |
713 | ); | |
25286543 SG |
714 | print_stack_frame (selected_frame, selected_frame_level, 1); |
715 | } | |
716 | ||
c889a1eb MS |
717 | /* Commands with a prefix of `thread'. */ |
718 | struct cmd_list_element *thread_cmd_list = NULL; | |
719 | ||
25286543 SG |
720 | void |
721 | _initialize_thread () | |
722 | { | |
5090e82c SG |
723 | static struct cmd_list_element *thread_apply_list = NULL; |
724 | extern struct cmd_list_element *cmdlist; | |
725 | ||
25286543 SG |
726 | add_info ("threads", info_threads_command, |
727 | "IDs of currently known threads."); | |
5090e82c SG |
728 | |
729 | add_prefix_cmd ("thread", class_run, thread_command, | |
730 | "Use this command to switch between threads.\n\ | |
731 | The new thread ID must be currently known.", &thread_cmd_list, "thread ", 1, | |
732 | &cmdlist); | |
733 | ||
734 | add_prefix_cmd ("apply", class_run, thread_apply_command, | |
735 | "Apply a command to a list of threads.", | |
736 | &thread_apply_list, "apply ", 1, &thread_cmd_list); | |
737 | ||
738 | add_cmd ("all", class_run, thread_apply_all_command, | |
739 | "Apply a command to all threads.", | |
740 | &thread_apply_list); | |
741 | ||
65b07ddc DT |
742 | if (!xdb_commands) |
743 | add_com_alias ("t", "thread", class_run, 1); | |
25286543 | 744 | } |