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55aa24fb SDJ |
1 | /* Generic static probe support for GDB. |
2 | ||
61baf725 | 3 | Copyright (C) 2012-2017 Free Software Foundation, Inc. |
55aa24fb SDJ |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 3 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #include "defs.h" | |
21 | #include "probe.h" | |
22 | #include "command.h" | |
23 | #include "cli/cli-cmds.h" | |
24 | #include "cli/cli-utils.h" | |
25 | #include "objfiles.h" | |
26 | #include "symtab.h" | |
27 | #include "progspace.h" | |
28 | #include "filenames.h" | |
55aa24fb SDJ |
29 | #include "linespec.h" |
30 | #include "gdb_regex.h" | |
31 | #include "frame.h" | |
32 | #include "arch-utils.h" | |
03e98035 JM |
33 | #include "value.h" |
34 | #include "ax.h" | |
35 | #include "ax-gdb.h" | |
f00aae0f | 36 | #include "location.h" |
55aa24fb | 37 | #include <ctype.h> |
325fac50 | 38 | #include <algorithm> |
2d7cc5c7 | 39 | #include "common/gdb_optional.h" |
55aa24fb | 40 | |
729662a5 TT |
41 | typedef struct bound_probe bound_probe_s; |
42 | DEF_VEC_O (bound_probe_s); | |
43 | ||
55aa24fb SDJ |
44 | \f |
45 | ||
c2f4122d PA |
46 | /* A helper for parse_probes that decodes a probe specification in |
47 | SEARCH_PSPACE. It appends matching SALs to RESULT. */ | |
48 | ||
49 | static void | |
50 | parse_probes_in_pspace (const struct probe_ops *probe_ops, | |
51 | struct program_space *search_pspace, | |
52 | const char *objfile_namestr, | |
53 | const char *provider, | |
54 | const char *name, | |
6c5b2ebe | 55 | std::vector<symtab_and_line> *result) |
c2f4122d PA |
56 | { |
57 | struct objfile *objfile; | |
58 | ||
59 | ALL_PSPACE_OBJFILES (search_pspace, objfile) | |
60 | { | |
61 | VEC (probe_p) *probes; | |
62 | struct probe *probe; | |
63 | int ix; | |
64 | ||
65 | if (!objfile->sf || !objfile->sf->sym_probe_fns) | |
66 | continue; | |
67 | ||
68 | if (objfile_namestr | |
69 | && FILENAME_CMP (objfile_name (objfile), objfile_namestr) != 0 | |
70 | && FILENAME_CMP (lbasename (objfile_name (objfile)), | |
71 | objfile_namestr) != 0) | |
72 | continue; | |
73 | ||
74 | probes = objfile->sf->sym_probe_fns->sym_get_probes (objfile); | |
75 | ||
76 | for (ix = 0; VEC_iterate (probe_p, probes, ix, probe); ix++) | |
77 | { | |
c2f4122d PA |
78 | if (probe_ops != &probe_ops_any && probe->pops != probe_ops) |
79 | continue; | |
80 | ||
81 | if (provider && strcmp (probe->provider, provider) != 0) | |
82 | continue; | |
83 | ||
84 | if (strcmp (probe->name, name) != 0) | |
85 | continue; | |
86 | ||
6c5b2ebe | 87 | symtab_and_line sal; |
6c5b2ebe PA |
88 | sal.pc = get_probe_address (probe, objfile); |
89 | sal.explicit_pc = 1; | |
90 | sal.section = find_pc_overlay (sal.pc); | |
91 | sal.pspace = search_pspace; | |
92 | sal.probe = probe; | |
93 | sal.objfile = objfile; | |
c2f4122d | 94 | |
6c5b2ebe | 95 | result->push_back (std::move (sal)); |
c2f4122d PA |
96 | } |
97 | } | |
98 | } | |
99 | ||
55aa24fb SDJ |
100 | /* See definition in probe.h. */ |
101 | ||
6c5b2ebe | 102 | std::vector<symtab_and_line> |
f00aae0f | 103 | parse_probes (const struct event_location *location, |
c2f4122d | 104 | struct program_space *search_pspace, |
f00aae0f | 105 | struct linespec_result *canonical) |
55aa24fb | 106 | { |
f00aae0f | 107 | char *arg_end, *arg; |
4721dc18 | 108 | char *objfile_namestr = NULL, *provider = NULL, *name, *p; |
55aa24fb | 109 | struct cleanup *cleanup; |
55aa24fb | 110 | const struct probe_ops *probe_ops; |
f00aae0f | 111 | const char *arg_start, *cs; |
55aa24fb | 112 | |
5b56227b KS |
113 | gdb_assert (event_location_type (location) == PROBE_LOCATION); |
114 | arg_start = get_probe_location (location); | |
55aa24fb | 115 | |
f00aae0f | 116 | cs = arg_start; |
55aa24fb | 117 | probe_ops = probe_linespec_to_ops (&cs); |
1bff71c3 SDJ |
118 | if (probe_ops == NULL) |
119 | error (_("'%s' is not a probe linespec"), arg_start); | |
55aa24fb SDJ |
120 | |
121 | arg = (char *) cs; | |
122 | arg = skip_spaces (arg); | |
123 | if (!*arg) | |
124 | error (_("argument to `%s' missing"), arg_start); | |
125 | ||
126 | arg_end = skip_to_space (arg); | |
127 | ||
128 | /* We make a copy here so we can write over parts with impunity. */ | |
129 | arg = savestring (arg, arg_end - arg); | |
130 | cleanup = make_cleanup (xfree, arg); | |
131 | ||
132 | /* Extract each word from the argument, separated by ":"s. */ | |
133 | p = strchr (arg, ':'); | |
134 | if (p == NULL) | |
135 | { | |
136 | /* This is `-p name'. */ | |
137 | name = arg; | |
138 | } | |
139 | else | |
140 | { | |
141 | char *hold = p + 1; | |
142 | ||
143 | *p = '\0'; | |
144 | p = strchr (hold, ':'); | |
145 | if (p == NULL) | |
146 | { | |
147 | /* This is `-p provider:name'. */ | |
148 | provider = arg; | |
149 | name = hold; | |
150 | } | |
151 | else | |
152 | { | |
153 | /* This is `-p objfile:provider:name'. */ | |
154 | *p = '\0'; | |
4721dc18 | 155 | objfile_namestr = arg; |
55aa24fb SDJ |
156 | provider = hold; |
157 | name = p + 1; | |
158 | } | |
159 | } | |
160 | ||
161 | if (*name == '\0') | |
162 | error (_("no probe name specified")); | |
163 | if (provider && *provider == '\0') | |
164 | error (_("invalid provider name")); | |
4721dc18 | 165 | if (objfile_namestr && *objfile_namestr == '\0') |
55aa24fb SDJ |
166 | error (_("invalid objfile name")); |
167 | ||
6c5b2ebe | 168 | std::vector<symtab_and_line> result; |
c2f4122d PA |
169 | if (search_pspace != NULL) |
170 | { | |
171 | parse_probes_in_pspace (probe_ops, search_pspace, objfile_namestr, | |
172 | provider, name, &result); | |
173 | } | |
174 | else | |
175 | { | |
176 | struct program_space *pspace; | |
55aa24fb | 177 | |
c2f4122d PA |
178 | ALL_PSPACES (pspace) |
179 | parse_probes_in_pspace (probe_ops, pspace, objfile_namestr, | |
180 | provider, name, &result); | |
181 | } | |
55aa24fb | 182 | |
6c5b2ebe | 183 | if (result.empty ()) |
55aa24fb SDJ |
184 | { |
185 | throw_error (NOT_FOUND_ERROR, | |
186 | _("No probe matching objfile=`%s', provider=`%s', name=`%s'"), | |
4721dc18 | 187 | objfile_namestr ? objfile_namestr : _("<any>"), |
55aa24fb SDJ |
188 | provider ? provider : _("<any>"), |
189 | name); | |
190 | } | |
191 | ||
192 | if (canonical) | |
193 | { | |
f00aae0f KS |
194 | char *canon; |
195 | ||
196 | canon = savestring (arg_start, arg_end - arg_start); | |
197 | make_cleanup (xfree, canon); | |
55aa24fb SDJ |
198 | canonical->special_display = 1; |
199 | canonical->pre_expanded = 1; | |
8e9e35b1 | 200 | canonical->location = new_probe_location (canon); |
55aa24fb SDJ |
201 | } |
202 | ||
55aa24fb SDJ |
203 | do_cleanups (cleanup); |
204 | ||
205 | return result; | |
206 | } | |
207 | ||
208 | /* See definition in probe.h. */ | |
209 | ||
210 | VEC (probe_p) * | |
211 | find_probes_in_objfile (struct objfile *objfile, const char *provider, | |
212 | const char *name) | |
213 | { | |
214 | VEC (probe_p) *probes, *result = NULL; | |
215 | int ix; | |
216 | struct probe *probe; | |
217 | ||
218 | if (!objfile->sf || !objfile->sf->sym_probe_fns) | |
219 | return NULL; | |
220 | ||
221 | probes = objfile->sf->sym_probe_fns->sym_get_probes (objfile); | |
222 | for (ix = 0; VEC_iterate (probe_p, probes, ix, probe); ix++) | |
223 | { | |
224 | if (strcmp (probe->provider, provider) != 0) | |
225 | continue; | |
226 | ||
227 | if (strcmp (probe->name, name) != 0) | |
228 | continue; | |
229 | ||
230 | VEC_safe_push (probe_p, result, probe); | |
231 | } | |
232 | ||
233 | return result; | |
234 | } | |
235 | ||
236 | /* See definition in probe.h. */ | |
237 | ||
729662a5 | 238 | struct bound_probe |
6bac7473 | 239 | find_probe_by_pc (CORE_ADDR pc) |
55aa24fb SDJ |
240 | { |
241 | struct objfile *objfile; | |
729662a5 TT |
242 | struct bound_probe result; |
243 | ||
244 | result.objfile = NULL; | |
245 | result.probe = NULL; | |
55aa24fb SDJ |
246 | |
247 | ALL_OBJFILES (objfile) | |
248 | { | |
249 | VEC (probe_p) *probes; | |
250 | int ix; | |
251 | struct probe *probe; | |
252 | ||
729662a5 TT |
253 | if (!objfile->sf || !objfile->sf->sym_probe_fns |
254 | || objfile->sect_index_text == -1) | |
55aa24fb SDJ |
255 | continue; |
256 | ||
257 | /* If this proves too inefficient, we can replace with a hash. */ | |
258 | probes = objfile->sf->sym_probe_fns->sym_get_probes (objfile); | |
259 | for (ix = 0; VEC_iterate (probe_p, probes, ix, probe); ix++) | |
729662a5 TT |
260 | if (get_probe_address (probe, objfile) == pc) |
261 | { | |
262 | result.objfile = objfile; | |
263 | result.probe = probe; | |
264 | return result; | |
265 | } | |
55aa24fb SDJ |
266 | } |
267 | ||
729662a5 | 268 | return result; |
55aa24fb SDJ |
269 | } |
270 | ||
271 | \f | |
272 | ||
55aa24fb SDJ |
273 | /* Make a vector of probes matching OBJNAME, PROVIDER, and PROBE_NAME. |
274 | If POPS is not NULL, only probes of this certain probe_ops will match. | |
275 | Each argument is a regexp, or NULL, which matches anything. */ | |
276 | ||
729662a5 | 277 | static VEC (bound_probe_s) * |
55aa24fb SDJ |
278 | collect_probes (char *objname, char *provider, char *probe_name, |
279 | const struct probe_ops *pops) | |
280 | { | |
281 | struct objfile *objfile; | |
729662a5 | 282 | VEC (bound_probe_s) *result = NULL; |
2d7cc5c7 PA |
283 | struct cleanup *cleanup; |
284 | gdb::optional<compiled_regex> obj_pat, prov_pat, probe_pat; | |
55aa24fb | 285 | |
729662a5 | 286 | cleanup = make_cleanup (VEC_cleanup (bound_probe_s), &result); |
55aa24fb | 287 | |
db26349c | 288 | if (provider != NULL) |
2d7cc5c7 | 289 | prov_pat.emplace (provider, REG_NOSUB, _("Invalid provider regexp")); |
db26349c | 290 | if (probe_name != NULL) |
2d7cc5c7 | 291 | probe_pat.emplace (probe_name, REG_NOSUB, _("Invalid probe regexp")); |
db26349c | 292 | if (objname != NULL) |
2d7cc5c7 | 293 | obj_pat.emplace (objname, REG_NOSUB, _("Invalid object file regexp")); |
55aa24fb SDJ |
294 | |
295 | ALL_OBJFILES (objfile) | |
296 | { | |
297 | VEC (probe_p) *probes; | |
298 | struct probe *probe; | |
299 | int ix; | |
300 | ||
301 | if (! objfile->sf || ! objfile->sf->sym_probe_fns) | |
302 | continue; | |
303 | ||
304 | if (objname) | |
305 | { | |
2d7cc5c7 | 306 | if (obj_pat->exec (objfile_name (objfile), 0, NULL, 0) != 0) |
55aa24fb SDJ |
307 | continue; |
308 | } | |
309 | ||
310 | probes = objfile->sf->sym_probe_fns->sym_get_probes (objfile); | |
311 | ||
312 | for (ix = 0; VEC_iterate (probe_p, probes, ix, probe); ix++) | |
313 | { | |
729662a5 TT |
314 | struct bound_probe bound; |
315 | ||
55aa24fb SDJ |
316 | if (pops != NULL && probe->pops != pops) |
317 | continue; | |
318 | ||
319 | if (provider | |
2d7cc5c7 | 320 | && prov_pat->exec (probe->provider, 0, NULL, 0) != 0) |
55aa24fb SDJ |
321 | continue; |
322 | ||
323 | if (probe_name | |
2d7cc5c7 | 324 | && probe_pat->exec (probe->name, 0, NULL, 0) != 0) |
55aa24fb SDJ |
325 | continue; |
326 | ||
729662a5 TT |
327 | bound.objfile = objfile; |
328 | bound.probe = probe; | |
329 | VEC_safe_push (bound_probe_s, result, &bound); | |
55aa24fb SDJ |
330 | } |
331 | } | |
332 | ||
55aa24fb SDJ |
333 | discard_cleanups (cleanup); |
334 | return result; | |
335 | } | |
336 | ||
729662a5 | 337 | /* A qsort comparison function for bound_probe_s objects. */ |
55aa24fb SDJ |
338 | |
339 | static int | |
6bac7473 | 340 | compare_probes (const void *a, const void *b) |
55aa24fb | 341 | { |
729662a5 TT |
342 | const struct bound_probe *pa = (const struct bound_probe *) a; |
343 | const struct bound_probe *pb = (const struct bound_probe *) b; | |
55aa24fb SDJ |
344 | int v; |
345 | ||
729662a5 | 346 | v = strcmp (pa->probe->provider, pb->probe->provider); |
55aa24fb SDJ |
347 | if (v) |
348 | return v; | |
349 | ||
729662a5 | 350 | v = strcmp (pa->probe->name, pb->probe->name); |
55aa24fb SDJ |
351 | if (v) |
352 | return v; | |
353 | ||
729662a5 | 354 | if (pa->probe->address < pb->probe->address) |
55aa24fb | 355 | return -1; |
729662a5 | 356 | if (pa->probe->address > pb->probe->address) |
55aa24fb SDJ |
357 | return 1; |
358 | ||
4262abfb | 359 | return strcmp (objfile_name (pa->objfile), objfile_name (pb->objfile)); |
55aa24fb SDJ |
360 | } |
361 | ||
362 | /* Helper function that generate entries in the ui_out table being | |
363 | crafted by `info_probes_for_ops'. */ | |
364 | ||
365 | static void | |
729662a5 | 366 | gen_ui_out_table_header_info (VEC (bound_probe_s) *probes, |
55aa24fb SDJ |
367 | const struct probe_ops *p) |
368 | { | |
369 | /* `headings' refers to the names of the columns when printing `info | |
370 | probes'. */ | |
371 | VEC (info_probe_column_s) *headings = NULL; | |
372 | struct cleanup *c; | |
373 | info_probe_column_s *column; | |
374 | size_t headings_size; | |
375 | int ix; | |
376 | ||
377 | gdb_assert (p != NULL); | |
378 | ||
379 | if (p->gen_info_probes_table_header == NULL | |
380 | && p->gen_info_probes_table_values == NULL) | |
381 | return; | |
382 | ||
383 | gdb_assert (p->gen_info_probes_table_header != NULL | |
384 | && p->gen_info_probes_table_values != NULL); | |
385 | ||
386 | c = make_cleanup (VEC_cleanup (info_probe_column_s), &headings); | |
387 | p->gen_info_probes_table_header (&headings); | |
388 | ||
389 | headings_size = VEC_length (info_probe_column_s, headings); | |
390 | ||
391 | for (ix = 0; | |
392 | VEC_iterate (info_probe_column_s, headings, ix, column); | |
393 | ++ix) | |
394 | { | |
729662a5 | 395 | struct bound_probe *probe; |
55aa24fb SDJ |
396 | int jx; |
397 | size_t size_max = strlen (column->print_name); | |
398 | ||
729662a5 | 399 | for (jx = 0; VEC_iterate (bound_probe_s, probes, jx, probe); ++jx) |
55aa24fb SDJ |
400 | { |
401 | /* `probe_fields' refers to the values of each new field that this | |
402 | probe will display. */ | |
403 | VEC (const_char_ptr) *probe_fields = NULL; | |
404 | struct cleanup *c2; | |
405 | const char *val; | |
406 | int kx; | |
407 | ||
729662a5 | 408 | if (probe->probe->pops != p) |
55aa24fb SDJ |
409 | continue; |
410 | ||
411 | c2 = make_cleanup (VEC_cleanup (const_char_ptr), &probe_fields); | |
729662a5 | 412 | p->gen_info_probes_table_values (probe->probe, &probe_fields); |
55aa24fb SDJ |
413 | |
414 | gdb_assert (VEC_length (const_char_ptr, probe_fields) | |
415 | == headings_size); | |
416 | ||
417 | for (kx = 0; VEC_iterate (const_char_ptr, probe_fields, kx, val); | |
418 | ++kx) | |
419 | { | |
420 | /* It is valid to have a NULL value here, which means that the | |
421 | backend does not have something to write and this particular | |
422 | field should be skipped. */ | |
423 | if (val == NULL) | |
424 | continue; | |
425 | ||
325fac50 | 426 | size_max = std::max (strlen (val), size_max); |
55aa24fb SDJ |
427 | } |
428 | do_cleanups (c2); | |
429 | } | |
430 | ||
112e8700 SM |
431 | current_uiout->table_header (size_max, ui_left, |
432 | column->field_name, column->print_name); | |
55aa24fb SDJ |
433 | } |
434 | ||
435 | do_cleanups (c); | |
436 | } | |
437 | ||
6f9b8491 JM |
438 | /* Helper function to print not-applicable strings for all the extra |
439 | columns defined in a probe_ops. */ | |
440 | ||
441 | static void | |
442 | print_ui_out_not_applicables (const struct probe_ops *pops) | |
443 | { | |
444 | struct cleanup *c; | |
445 | VEC (info_probe_column_s) *headings = NULL; | |
446 | info_probe_column_s *column; | |
447 | int ix; | |
448 | ||
449 | if (pops->gen_info_probes_table_header == NULL) | |
450 | return; | |
451 | ||
452 | c = make_cleanup (VEC_cleanup (info_probe_column_s), &headings); | |
453 | pops->gen_info_probes_table_header (&headings); | |
454 | ||
455 | for (ix = 0; | |
456 | VEC_iterate (info_probe_column_s, headings, ix, column); | |
457 | ++ix) | |
112e8700 | 458 | current_uiout->field_string (column->field_name, _("n/a")); |
6f9b8491 JM |
459 | |
460 | do_cleanups (c); | |
461 | } | |
462 | ||
55aa24fb | 463 | /* Helper function to print extra information about a probe and an objfile |
6bac7473 | 464 | represented by PROBE. */ |
55aa24fb SDJ |
465 | |
466 | static void | |
6bac7473 | 467 | print_ui_out_info (struct probe *probe) |
55aa24fb SDJ |
468 | { |
469 | int ix; | |
470 | int j = 0; | |
471 | /* `values' refers to the actual values of each new field in the output | |
472 | of `info probe'. `headings' refers to the names of each new field. */ | |
473 | VEC (const_char_ptr) *values = NULL; | |
474 | VEC (info_probe_column_s) *headings = NULL; | |
475 | info_probe_column_s *column; | |
476 | struct cleanup *c; | |
477 | ||
6bac7473 SDJ |
478 | gdb_assert (probe != NULL); |
479 | gdb_assert (probe->pops != NULL); | |
55aa24fb | 480 | |
6bac7473 SDJ |
481 | if (probe->pops->gen_info_probes_table_header == NULL |
482 | && probe->pops->gen_info_probes_table_values == NULL) | |
55aa24fb SDJ |
483 | return; |
484 | ||
6bac7473 SDJ |
485 | gdb_assert (probe->pops->gen_info_probes_table_header != NULL |
486 | && probe->pops->gen_info_probes_table_values != NULL); | |
55aa24fb SDJ |
487 | |
488 | c = make_cleanup (VEC_cleanup (info_probe_column_s), &headings); | |
489 | make_cleanup (VEC_cleanup (const_char_ptr), &values); | |
490 | ||
6bac7473 SDJ |
491 | probe->pops->gen_info_probes_table_header (&headings); |
492 | probe->pops->gen_info_probes_table_values (probe, &values); | |
55aa24fb SDJ |
493 | |
494 | gdb_assert (VEC_length (info_probe_column_s, headings) | |
495 | == VEC_length (const_char_ptr, values)); | |
496 | ||
497 | for (ix = 0; | |
498 | VEC_iterate (info_probe_column_s, headings, ix, column); | |
499 | ++ix) | |
500 | { | |
501 | const char *val = VEC_index (const_char_ptr, values, j++); | |
502 | ||
503 | if (val == NULL) | |
112e8700 | 504 | current_uiout->field_skip (column->field_name); |
55aa24fb | 505 | else |
112e8700 | 506 | current_uiout->field_string (column->field_name, val); |
55aa24fb SDJ |
507 | } |
508 | ||
509 | do_cleanups (c); | |
510 | } | |
511 | ||
512 | /* Helper function that returns the number of extra fields which POPS will | |
513 | need. */ | |
514 | ||
515 | static int | |
516 | get_number_extra_fields (const struct probe_ops *pops) | |
517 | { | |
518 | VEC (info_probe_column_s) *headings = NULL; | |
519 | struct cleanup *c; | |
520 | int n; | |
521 | ||
522 | if (pops->gen_info_probes_table_header == NULL) | |
523 | return 0; | |
524 | ||
525 | c = make_cleanup (VEC_cleanup (info_probe_column_s), &headings); | |
526 | pops->gen_info_probes_table_header (&headings); | |
527 | ||
528 | n = VEC_length (info_probe_column_s, headings); | |
529 | ||
530 | do_cleanups (c); | |
531 | ||
532 | return n; | |
533 | } | |
534 | ||
6f9b8491 JM |
535 | /* Helper function that returns 1 if there is a probe in PROBES |
536 | featuring the given POPS. It returns 0 otherwise. */ | |
537 | ||
538 | static int | |
539 | exists_probe_with_pops (VEC (bound_probe_s) *probes, | |
540 | const struct probe_ops *pops) | |
541 | { | |
542 | struct bound_probe *probe; | |
543 | int ix; | |
544 | ||
545 | for (ix = 0; VEC_iterate (bound_probe_s, probes, ix, probe); ++ix) | |
546 | if (probe->probe->pops == pops) | |
547 | return 1; | |
548 | ||
549 | return 0; | |
550 | } | |
551 | ||
9aca2ff8 JM |
552 | /* Helper function that parses a probe linespec of the form [PROVIDER |
553 | [PROBE [OBJNAME]]] from the provided string STR. */ | |
554 | ||
555 | static void | |
556 | parse_probe_linespec (const char *str, char **provider, | |
557 | char **probe_name, char **objname) | |
558 | { | |
559 | *probe_name = *objname = NULL; | |
560 | ||
561 | *provider = extract_arg_const (&str); | |
562 | if (*provider != NULL) | |
563 | { | |
564 | *probe_name = extract_arg_const (&str); | |
565 | if (*probe_name != NULL) | |
566 | *objname = extract_arg_const (&str); | |
567 | } | |
568 | } | |
569 | ||
55aa24fb SDJ |
570 | /* See comment in probe.h. */ |
571 | ||
572 | void | |
8236def8 TT |
573 | info_probes_for_ops (const char *arg, int from_tty, |
574 | const struct probe_ops *pops) | |
55aa24fb | 575 | { |
6bac7473 | 576 | char *provider, *probe_name = NULL, *objname = NULL; |
55aa24fb | 577 | struct cleanup *cleanup = make_cleanup (null_cleanup, NULL); |
729662a5 | 578 | VEC (bound_probe_s) *probes; |
55aa24fb SDJ |
579 | int i, any_found; |
580 | int ui_out_extra_fields = 0; | |
581 | size_t size_addr; | |
582 | size_t size_name = strlen ("Name"); | |
583 | size_t size_objname = strlen ("Object"); | |
584 | size_t size_provider = strlen ("Provider"); | |
6f9b8491 | 585 | size_t size_type = strlen ("Type"); |
729662a5 | 586 | struct bound_probe *probe; |
55aa24fb SDJ |
587 | struct gdbarch *gdbarch = get_current_arch (); |
588 | ||
9aca2ff8 JM |
589 | parse_probe_linespec (arg, &provider, &probe_name, &objname); |
590 | make_cleanup (xfree, provider); | |
591 | make_cleanup (xfree, probe_name); | |
592 | make_cleanup (xfree, objname); | |
55aa24fb | 593 | |
6f9b8491 JM |
594 | probes = collect_probes (objname, provider, probe_name, pops); |
595 | make_cleanup (VEC_cleanup (probe_p), &probes); | |
596 | ||
55aa24fb SDJ |
597 | if (pops == NULL) |
598 | { | |
599 | const struct probe_ops *po; | |
600 | int ix; | |
601 | ||
602 | /* If the probe_ops is NULL, it means the user has requested a "simple" | |
603 | `info probes', i.e., she wants to print all information about all | |
604 | probes. For that, we have to identify how many extra fields we will | |
605 | need to add in the ui_out table. | |
606 | ||
607 | To do that, we iterate over all probe_ops, querying each one about | |
608 | its extra fields, and incrementing `ui_out_extra_fields' to reflect | |
6f9b8491 JM |
609 | that number. But note that we ignore the probe_ops for which no probes |
610 | are defined with the given search criteria. */ | |
55aa24fb SDJ |
611 | |
612 | for (ix = 0; VEC_iterate (probe_ops_cp, all_probe_ops, ix, po); ++ix) | |
6f9b8491 JM |
613 | if (exists_probe_with_pops (probes, po)) |
614 | ui_out_extra_fields += get_number_extra_fields (po); | |
55aa24fb SDJ |
615 | } |
616 | else | |
617 | ui_out_extra_fields = get_number_extra_fields (pops); | |
618 | ||
55aa24fb | 619 | make_cleanup_ui_out_table_begin_end (current_uiout, |
6f9b8491 | 620 | 5 + ui_out_extra_fields, |
729662a5 | 621 | VEC_length (bound_probe_s, probes), |
55aa24fb SDJ |
622 | "StaticProbes"); |
623 | ||
729662a5 TT |
624 | if (!VEC_empty (bound_probe_s, probes)) |
625 | qsort (VEC_address (bound_probe_s, probes), | |
626 | VEC_length (bound_probe_s, probes), | |
627 | sizeof (bound_probe_s), compare_probes); | |
55aa24fb SDJ |
628 | |
629 | /* What's the size of an address in our architecture? */ | |
630 | size_addr = gdbarch_addr_bit (gdbarch) == 64 ? 18 : 10; | |
631 | ||
6f9b8491 JM |
632 | /* Determining the maximum size of each field (`type', `provider', |
633 | `name' and `objname'). */ | |
729662a5 | 634 | for (i = 0; VEC_iterate (bound_probe_s, probes, i, probe); ++i) |
55aa24fb | 635 | { |
6f9b8491 JM |
636 | const char *probe_type = probe->probe->pops->type_name (probe->probe); |
637 | ||
325fac50 PA |
638 | size_type = std::max (strlen (probe_type), size_type); |
639 | size_name = std::max (strlen (probe->probe->name), size_name); | |
640 | size_provider = std::max (strlen (probe->probe->provider), size_provider); | |
641 | size_objname = std::max (strlen (objfile_name (probe->objfile)), | |
642 | size_objname); | |
55aa24fb SDJ |
643 | } |
644 | ||
112e8700 SM |
645 | current_uiout->table_header (size_type, ui_left, "type", _("Type")); |
646 | current_uiout->table_header (size_provider, ui_left, "provider", | |
647 | _("Provider")); | |
648 | current_uiout->table_header (size_name, ui_left, "name", _("Name")); | |
649 | current_uiout->table_header (size_addr, ui_left, "addr", _("Where")); | |
55aa24fb SDJ |
650 | |
651 | if (pops == NULL) | |
652 | { | |
653 | const struct probe_ops *po; | |
654 | int ix; | |
655 | ||
6f9b8491 JM |
656 | /* We have to generate the table header for each new probe type |
657 | that we will print. Note that this excludes probe types not | |
658 | having any defined probe with the search criteria. */ | |
55aa24fb | 659 | for (ix = 0; VEC_iterate (probe_ops_cp, all_probe_ops, ix, po); ++ix) |
6f9b8491 JM |
660 | if (exists_probe_with_pops (probes, po)) |
661 | gen_ui_out_table_header_info (probes, po); | |
55aa24fb SDJ |
662 | } |
663 | else | |
6bac7473 | 664 | gen_ui_out_table_header_info (probes, pops); |
55aa24fb | 665 | |
112e8700 SM |
666 | current_uiout->table_header (size_objname, ui_left, "object", _("Object")); |
667 | current_uiout->table_body (); | |
55aa24fb | 668 | |
729662a5 | 669 | for (i = 0; VEC_iterate (bound_probe_s, probes, i, probe); ++i) |
55aa24fb | 670 | { |
6f9b8491 | 671 | const char *probe_type = probe->probe->pops->type_name (probe->probe); |
55aa24fb | 672 | |
2e783024 | 673 | ui_out_emit_tuple tuple_emitter (current_uiout, "probe"); |
55aa24fb | 674 | |
112e8700 SM |
675 | current_uiout->field_string ("type",probe_type); |
676 | current_uiout->field_string ("provider", probe->probe->provider); | |
677 | current_uiout->field_string ("name", probe->probe->name); | |
678 | current_uiout->field_core_addr ( | |
679 | "addr", probe->probe->arch, | |
680 | get_probe_address (probe->probe, probe->objfile)); | |
55aa24fb SDJ |
681 | |
682 | if (pops == NULL) | |
683 | { | |
684 | const struct probe_ops *po; | |
685 | int ix; | |
686 | ||
687 | for (ix = 0; VEC_iterate (probe_ops_cp, all_probe_ops, ix, po); | |
688 | ++ix) | |
729662a5 TT |
689 | if (probe->probe->pops == po) |
690 | print_ui_out_info (probe->probe); | |
6f9b8491 JM |
691 | else if (exists_probe_with_pops (probes, po)) |
692 | print_ui_out_not_applicables (po); | |
55aa24fb SDJ |
693 | } |
694 | else | |
729662a5 | 695 | print_ui_out_info (probe->probe); |
55aa24fb | 696 | |
112e8700 | 697 | current_uiout->field_string ("object", |
4262abfb | 698 | objfile_name (probe->objfile)); |
112e8700 | 699 | current_uiout->text ("\n"); |
55aa24fb SDJ |
700 | } |
701 | ||
729662a5 | 702 | any_found = !VEC_empty (bound_probe_s, probes); |
55aa24fb SDJ |
703 | do_cleanups (cleanup); |
704 | ||
705 | if (!any_found) | |
112e8700 | 706 | current_uiout->message (_("No probes matched.\n")); |
55aa24fb SDJ |
707 | } |
708 | ||
709 | /* Implementation of the `info probes' command. */ | |
710 | ||
711 | static void | |
712 | info_probes_command (char *arg, int from_tty) | |
713 | { | |
714 | info_probes_for_ops (arg, from_tty, NULL); | |
715 | } | |
716 | ||
9aca2ff8 JM |
717 | /* Implementation of the `enable probes' command. */ |
718 | ||
719 | static void | |
720 | enable_probes_command (char *arg, int from_tty) | |
721 | { | |
722 | char *provider, *probe_name = NULL, *objname = NULL; | |
723 | struct cleanup *cleanup = make_cleanup (null_cleanup, NULL); | |
724 | VEC (bound_probe_s) *probes; | |
725 | struct bound_probe *probe; | |
726 | int i; | |
727 | ||
728 | parse_probe_linespec ((const char *) arg, &provider, &probe_name, &objname); | |
729 | make_cleanup (xfree, provider); | |
730 | make_cleanup (xfree, probe_name); | |
731 | make_cleanup (xfree, objname); | |
732 | ||
733 | probes = collect_probes (objname, provider, probe_name, NULL); | |
734 | if (VEC_empty (bound_probe_s, probes)) | |
735 | { | |
112e8700 | 736 | current_uiout->message (_("No probes matched.\n")); |
9aca2ff8 JM |
737 | do_cleanups (cleanup); |
738 | return; | |
739 | } | |
740 | ||
741 | /* Enable the selected probes, provided their backends support the | |
742 | notion of enabling a probe. */ | |
743 | for (i = 0; VEC_iterate (bound_probe_s, probes, i, probe); ++i) | |
744 | { | |
745 | const struct probe_ops *pops = probe->probe->pops; | |
746 | ||
747 | if (pops->enable_probe != NULL) | |
748 | { | |
749 | pops->enable_probe (probe->probe); | |
112e8700 SM |
750 | current_uiout->message (_("Probe %s:%s enabled.\n"), |
751 | probe->probe->provider, probe->probe->name); | |
9aca2ff8 JM |
752 | } |
753 | else | |
112e8700 SM |
754 | current_uiout->message (_("Probe %s:%s cannot be enabled.\n"), |
755 | probe->probe->provider, probe->probe->name); | |
9aca2ff8 JM |
756 | } |
757 | ||
758 | do_cleanups (cleanup); | |
759 | } | |
760 | ||
761 | /* Implementation of the `disable probes' command. */ | |
762 | ||
763 | static void | |
764 | disable_probes_command (char *arg, int from_tty) | |
765 | { | |
766 | char *provider, *probe_name = NULL, *objname = NULL; | |
767 | struct cleanup *cleanup = make_cleanup (null_cleanup, NULL); | |
768 | VEC (bound_probe_s) *probes; | |
769 | struct bound_probe *probe; | |
770 | int i; | |
771 | ||
772 | parse_probe_linespec ((const char *) arg, &provider, &probe_name, &objname); | |
773 | make_cleanup (xfree, provider); | |
774 | make_cleanup (xfree, probe_name); | |
775 | make_cleanup (xfree, objname); | |
776 | ||
777 | probes = collect_probes (objname, provider, probe_name, NULL /* pops */); | |
778 | if (VEC_empty (bound_probe_s, probes)) | |
779 | { | |
112e8700 | 780 | current_uiout->message (_("No probes matched.\n")); |
9aca2ff8 JM |
781 | do_cleanups (cleanup); |
782 | return; | |
783 | } | |
784 | ||
785 | /* Disable the selected probes, provided their backends support the | |
786 | notion of enabling a probe. */ | |
787 | for (i = 0; VEC_iterate (bound_probe_s, probes, i, probe); ++i) | |
788 | { | |
789 | const struct probe_ops *pops = probe->probe->pops; | |
790 | ||
791 | if (pops->disable_probe != NULL) | |
792 | { | |
793 | pops->disable_probe (probe->probe); | |
112e8700 SM |
794 | current_uiout->message (_("Probe %s:%s disabled.\n"), |
795 | probe->probe->provider, probe->probe->name); | |
9aca2ff8 JM |
796 | } |
797 | else | |
112e8700 SM |
798 | current_uiout->message (_("Probe %s:%s cannot be disabled.\n"), |
799 | probe->probe->provider, probe->probe->name); | |
9aca2ff8 JM |
800 | } |
801 | ||
802 | do_cleanups (cleanup); | |
803 | } | |
804 | ||
55aa24fb SDJ |
805 | /* See comments in probe.h. */ |
806 | ||
729662a5 TT |
807 | CORE_ADDR |
808 | get_probe_address (struct probe *probe, struct objfile *objfile) | |
809 | { | |
810 | return probe->pops->get_probe_address (probe, objfile); | |
811 | } | |
812 | ||
813 | /* See comments in probe.h. */ | |
814 | ||
9ee6a5ac | 815 | unsigned |
08a6411c | 816 | get_probe_argument_count (struct probe *probe, struct frame_info *frame) |
9ee6a5ac | 817 | { |
08a6411c | 818 | return probe->pops->get_probe_argument_count (probe, frame); |
9ee6a5ac GB |
819 | } |
820 | ||
821 | /* See comments in probe.h. */ | |
822 | ||
25f9533e SDJ |
823 | int |
824 | can_evaluate_probe_arguments (struct probe *probe) | |
825 | { | |
37fbcad0 | 826 | return probe->pops->can_evaluate_probe_arguments (probe); |
25f9533e SDJ |
827 | } |
828 | ||
829 | /* See comments in probe.h. */ | |
830 | ||
9ee6a5ac | 831 | struct value * |
08a6411c SDJ |
832 | evaluate_probe_argument (struct probe *probe, unsigned n, |
833 | struct frame_info *frame) | |
9ee6a5ac | 834 | { |
08a6411c | 835 | return probe->pops->evaluate_probe_argument (probe, n, frame); |
9ee6a5ac GB |
836 | } |
837 | ||
838 | /* See comments in probe.h. */ | |
839 | ||
55aa24fb SDJ |
840 | struct value * |
841 | probe_safe_evaluate_at_pc (struct frame_info *frame, unsigned n) | |
842 | { | |
729662a5 | 843 | struct bound_probe probe; |
2b963b68 | 844 | unsigned n_args; |
55aa24fb | 845 | |
6bac7473 | 846 | probe = find_probe_by_pc (get_frame_pc (frame)); |
729662a5 | 847 | if (!probe.probe) |
55aa24fb | 848 | return NULL; |
55aa24fb | 849 | |
729662a5 | 850 | n_args = get_probe_argument_count (probe.probe, frame); |
2b963b68 | 851 | if (n >= n_args) |
55aa24fb SDJ |
852 | return NULL; |
853 | ||
729662a5 | 854 | return evaluate_probe_argument (probe.probe, n, frame); |
55aa24fb SDJ |
855 | } |
856 | ||
857 | /* See comment in probe.h. */ | |
858 | ||
859 | const struct probe_ops * | |
860 | probe_linespec_to_ops (const char **linespecp) | |
861 | { | |
862 | int ix; | |
863 | const struct probe_ops *probe_ops; | |
864 | ||
865 | for (ix = 0; VEC_iterate (probe_ops_cp, all_probe_ops, ix, probe_ops); ix++) | |
866 | if (probe_ops->is_linespec (linespecp)) | |
867 | return probe_ops; | |
868 | ||
869 | return NULL; | |
870 | } | |
871 | ||
872 | /* See comment in probe.h. */ | |
873 | ||
874 | int | |
875 | probe_is_linespec_by_keyword (const char **linespecp, const char *const *keywords) | |
876 | { | |
877 | const char *s = *linespecp; | |
878 | const char *const *csp; | |
879 | ||
880 | for (csp = keywords; *csp; csp++) | |
881 | { | |
882 | const char *keyword = *csp; | |
883 | size_t len = strlen (keyword); | |
884 | ||
885 | if (strncmp (s, keyword, len) == 0 && isspace (s[len])) | |
886 | { | |
887 | *linespecp += len + 1; | |
888 | return 1; | |
889 | } | |
890 | } | |
891 | ||
892 | return 0; | |
893 | } | |
894 | ||
895 | /* Implementation of `is_linespec' method for `struct probe_ops'. */ | |
896 | ||
897 | static int | |
898 | probe_any_is_linespec (const char **linespecp) | |
899 | { | |
900 | static const char *const keywords[] = { "-p", "-probe", NULL }; | |
901 | ||
902 | return probe_is_linespec_by_keyword (linespecp, keywords); | |
903 | } | |
904 | ||
905 | /* Dummy method used for `probe_ops_any'. */ | |
906 | ||
907 | static void | |
908 | probe_any_get_probes (VEC (probe_p) **probesp, struct objfile *objfile) | |
909 | { | |
910 | /* No probes can be provided by this dummy backend. */ | |
911 | } | |
912 | ||
913 | /* Operations associated with a generic probe. */ | |
914 | ||
915 | const struct probe_ops probe_ops_any = | |
916 | { | |
917 | probe_any_is_linespec, | |
918 | probe_any_get_probes, | |
919 | }; | |
920 | ||
921 | /* See comments in probe.h. */ | |
922 | ||
923 | struct cmd_list_element ** | |
924 | info_probes_cmdlist_get (void) | |
925 | { | |
926 | static struct cmd_list_element *info_probes_cmdlist; | |
927 | ||
928 | if (info_probes_cmdlist == NULL) | |
929 | add_prefix_cmd ("probes", class_info, info_probes_command, | |
930 | _("\ | |
931 | Show available static probes.\n\ | |
932 | Usage: info probes [all|TYPE [ARGS]]\n\ | |
933 | TYPE specifies the type of the probe, and can be one of the following:\n\ | |
934 | - stap\n\ | |
935 | If you specify TYPE, there may be additional arguments needed by the\n\ | |
936 | subcommand.\n\ | |
937 | If you do not specify any argument, or specify `all', then the command\n\ | |
938 | will show information about all types of probes."), | |
939 | &info_probes_cmdlist, "info probes ", | |
940 | 0/*allow-unknown*/, &infolist); | |
941 | ||
942 | return &info_probes_cmdlist; | |
943 | } | |
944 | ||
03e98035 JM |
945 | \f |
946 | ||
947 | /* This is called to compute the value of one of the $_probe_arg* | |
948 | convenience variables. */ | |
949 | ||
950 | static struct value * | |
951 | compute_probe_arg (struct gdbarch *arch, struct internalvar *ivar, | |
952 | void *data) | |
953 | { | |
954 | struct frame_info *frame = get_selected_frame (_("No frame selected")); | |
955 | CORE_ADDR pc = get_frame_pc (frame); | |
956 | int sel = (int) (uintptr_t) data; | |
957 | struct bound_probe pc_probe; | |
958 | const struct sym_probe_fns *pc_probe_fns; | |
959 | unsigned n_args; | |
960 | ||
961 | /* SEL == -1 means "_probe_argc". */ | |
962 | gdb_assert (sel >= -1); | |
963 | ||
964 | pc_probe = find_probe_by_pc (pc); | |
965 | if (pc_probe.probe == NULL) | |
966 | error (_("No probe at PC %s"), core_addr_to_string (pc)); | |
967 | ||
968 | n_args = get_probe_argument_count (pc_probe.probe, frame); | |
969 | if (sel == -1) | |
970 | return value_from_longest (builtin_type (arch)->builtin_int, n_args); | |
971 | ||
972 | if (sel >= n_args) | |
973 | error (_("Invalid probe argument %d -- probe has %u arguments available"), | |
974 | sel, n_args); | |
975 | ||
976 | return evaluate_probe_argument (pc_probe.probe, sel, frame); | |
977 | } | |
978 | ||
979 | /* This is called to compile one of the $_probe_arg* convenience | |
980 | variables into an agent expression. */ | |
981 | ||
982 | static void | |
983 | compile_probe_arg (struct internalvar *ivar, struct agent_expr *expr, | |
984 | struct axs_value *value, void *data) | |
985 | { | |
986 | CORE_ADDR pc = expr->scope; | |
987 | int sel = (int) (uintptr_t) data; | |
988 | struct bound_probe pc_probe; | |
989 | const struct sym_probe_fns *pc_probe_fns; | |
990 | int n_args; | |
991 | struct frame_info *frame = get_selected_frame (NULL); | |
992 | ||
993 | /* SEL == -1 means "_probe_argc". */ | |
994 | gdb_assert (sel >= -1); | |
995 | ||
996 | pc_probe = find_probe_by_pc (pc); | |
997 | if (pc_probe.probe == NULL) | |
998 | error (_("No probe at PC %s"), core_addr_to_string (pc)); | |
999 | ||
1000 | n_args = get_probe_argument_count (pc_probe.probe, frame); | |
1001 | ||
1002 | if (sel == -1) | |
1003 | { | |
1004 | value->kind = axs_rvalue; | |
1005 | value->type = builtin_type (expr->gdbarch)->builtin_int; | |
1006 | ax_const_l (expr, n_args); | |
1007 | return; | |
1008 | } | |
1009 | ||
1010 | gdb_assert (sel >= 0); | |
1011 | if (sel >= n_args) | |
1012 | error (_("Invalid probe argument %d -- probe has %d arguments available"), | |
1013 | sel, n_args); | |
1014 | ||
1015 | pc_probe.probe->pops->compile_to_ax (pc_probe.probe, expr, value, sel); | |
1016 | } | |
1017 | ||
1018 | static const struct internalvar_funcs probe_funcs = | |
1019 | { | |
1020 | compute_probe_arg, | |
1021 | compile_probe_arg, | |
1022 | NULL | |
1023 | }; | |
1024 | ||
1025 | ||
55aa24fb SDJ |
1026 | VEC (probe_ops_cp) *all_probe_ops; |
1027 | ||
1028 | void _initialize_probe (void); | |
1029 | ||
1030 | void | |
1031 | _initialize_probe (void) | |
1032 | { | |
1033 | VEC_safe_push (probe_ops_cp, all_probe_ops, &probe_ops_any); | |
1034 | ||
03e98035 JM |
1035 | create_internalvar_type_lazy ("_probe_argc", &probe_funcs, |
1036 | (void *) (uintptr_t) -1); | |
1037 | create_internalvar_type_lazy ("_probe_arg0", &probe_funcs, | |
1038 | (void *) (uintptr_t) 0); | |
1039 | create_internalvar_type_lazy ("_probe_arg1", &probe_funcs, | |
1040 | (void *) (uintptr_t) 1); | |
1041 | create_internalvar_type_lazy ("_probe_arg2", &probe_funcs, | |
1042 | (void *) (uintptr_t) 2); | |
1043 | create_internalvar_type_lazy ("_probe_arg3", &probe_funcs, | |
1044 | (void *) (uintptr_t) 3); | |
1045 | create_internalvar_type_lazy ("_probe_arg4", &probe_funcs, | |
1046 | (void *) (uintptr_t) 4); | |
1047 | create_internalvar_type_lazy ("_probe_arg5", &probe_funcs, | |
1048 | (void *) (uintptr_t) 5); | |
1049 | create_internalvar_type_lazy ("_probe_arg6", &probe_funcs, | |
1050 | (void *) (uintptr_t) 6); | |
1051 | create_internalvar_type_lazy ("_probe_arg7", &probe_funcs, | |
1052 | (void *) (uintptr_t) 7); | |
1053 | create_internalvar_type_lazy ("_probe_arg8", &probe_funcs, | |
1054 | (void *) (uintptr_t) 8); | |
1055 | create_internalvar_type_lazy ("_probe_arg9", &probe_funcs, | |
1056 | (void *) (uintptr_t) 9); | |
1057 | create_internalvar_type_lazy ("_probe_arg10", &probe_funcs, | |
1058 | (void *) (uintptr_t) 10); | |
1059 | create_internalvar_type_lazy ("_probe_arg11", &probe_funcs, | |
1060 | (void *) (uintptr_t) 11); | |
1061 | ||
55aa24fb SDJ |
1062 | add_cmd ("all", class_info, info_probes_command, |
1063 | _("\ | |
1064 | Show information about all type of probes."), | |
1065 | info_probes_cmdlist_get ()); | |
9aca2ff8 JM |
1066 | |
1067 | add_cmd ("probes", class_breakpoint, enable_probes_command, _("\ | |
1068 | Enable probes.\n\ | |
1069 | Usage: enable probes [PROVIDER [NAME [OBJECT]]]\n\ | |
1070 | Each argument is a regular expression, used to select probes.\n\ | |
1071 | PROVIDER matches probe provider names.\n\ | |
1072 | NAME matches the probe names.\n\ | |
1073 | OBJECT matches the executable or shared library name.\n\ | |
1074 | If you do not specify any argument then the command will enable\n\ | |
1075 | all defined probes."), | |
1076 | &enablelist); | |
1077 | ||
1078 | add_cmd ("probes", class_breakpoint, disable_probes_command, _("\ | |
1079 | Disable probes.\n\ | |
1080 | Usage: disable probes [PROVIDER [NAME [OBJECT]]]\n\ | |
1081 | Each argument is a regular expression, used to select probes.\n\ | |
1082 | PROVIDER matches probe provider names.\n\ | |
1083 | NAME matches the probe names.\n\ | |
1084 | OBJECT matches the executable or shared library name.\n\ | |
1085 | If you do not specify any argument then the command will disable\n\ | |
1086 | all defined probes."), | |
1087 | &disablelist); | |
1088 | ||
55aa24fb | 1089 | } |