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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 PA |
87 | symtab_and_line sal; |
88 | ||
89 | init_sal (&sal); | |
c2f4122d | 90 | |
6c5b2ebe PA |
91 | sal.pc = get_probe_address (probe, objfile); |
92 | sal.explicit_pc = 1; | |
93 | sal.section = find_pc_overlay (sal.pc); | |
94 | sal.pspace = search_pspace; | |
95 | sal.probe = probe; | |
96 | sal.objfile = objfile; | |
c2f4122d | 97 | |
6c5b2ebe | 98 | result->push_back (std::move (sal)); |
c2f4122d PA |
99 | } |
100 | } | |
101 | } | |
102 | ||
55aa24fb SDJ |
103 | /* See definition in probe.h. */ |
104 | ||
6c5b2ebe | 105 | std::vector<symtab_and_line> |
f00aae0f | 106 | parse_probes (const struct event_location *location, |
c2f4122d | 107 | struct program_space *search_pspace, |
f00aae0f | 108 | struct linespec_result *canonical) |
55aa24fb | 109 | { |
f00aae0f | 110 | char *arg_end, *arg; |
4721dc18 | 111 | char *objfile_namestr = NULL, *provider = NULL, *name, *p; |
55aa24fb | 112 | struct cleanup *cleanup; |
55aa24fb | 113 | const struct probe_ops *probe_ops; |
f00aae0f | 114 | const char *arg_start, *cs; |
55aa24fb | 115 | |
5b56227b KS |
116 | gdb_assert (event_location_type (location) == PROBE_LOCATION); |
117 | arg_start = get_probe_location (location); | |
55aa24fb | 118 | |
f00aae0f | 119 | cs = arg_start; |
55aa24fb | 120 | probe_ops = probe_linespec_to_ops (&cs); |
1bff71c3 SDJ |
121 | if (probe_ops == NULL) |
122 | error (_("'%s' is not a probe linespec"), arg_start); | |
55aa24fb SDJ |
123 | |
124 | arg = (char *) cs; | |
125 | arg = skip_spaces (arg); | |
126 | if (!*arg) | |
127 | error (_("argument to `%s' missing"), arg_start); | |
128 | ||
129 | arg_end = skip_to_space (arg); | |
130 | ||
131 | /* We make a copy here so we can write over parts with impunity. */ | |
132 | arg = savestring (arg, arg_end - arg); | |
133 | cleanup = make_cleanup (xfree, arg); | |
134 | ||
135 | /* Extract each word from the argument, separated by ":"s. */ | |
136 | p = strchr (arg, ':'); | |
137 | if (p == NULL) | |
138 | { | |
139 | /* This is `-p name'. */ | |
140 | name = arg; | |
141 | } | |
142 | else | |
143 | { | |
144 | char *hold = p + 1; | |
145 | ||
146 | *p = '\0'; | |
147 | p = strchr (hold, ':'); | |
148 | if (p == NULL) | |
149 | { | |
150 | /* This is `-p provider:name'. */ | |
151 | provider = arg; | |
152 | name = hold; | |
153 | } | |
154 | else | |
155 | { | |
156 | /* This is `-p objfile:provider:name'. */ | |
157 | *p = '\0'; | |
4721dc18 | 158 | objfile_namestr = arg; |
55aa24fb SDJ |
159 | provider = hold; |
160 | name = p + 1; | |
161 | } | |
162 | } | |
163 | ||
164 | if (*name == '\0') | |
165 | error (_("no probe name specified")); | |
166 | if (provider && *provider == '\0') | |
167 | error (_("invalid provider name")); | |
4721dc18 | 168 | if (objfile_namestr && *objfile_namestr == '\0') |
55aa24fb SDJ |
169 | error (_("invalid objfile name")); |
170 | ||
6c5b2ebe | 171 | std::vector<symtab_and_line> result; |
c2f4122d PA |
172 | if (search_pspace != NULL) |
173 | { | |
174 | parse_probes_in_pspace (probe_ops, search_pspace, objfile_namestr, | |
175 | provider, name, &result); | |
176 | } | |
177 | else | |
178 | { | |
179 | struct program_space *pspace; | |
55aa24fb | 180 | |
c2f4122d PA |
181 | ALL_PSPACES (pspace) |
182 | parse_probes_in_pspace (probe_ops, pspace, objfile_namestr, | |
183 | provider, name, &result); | |
184 | } | |
55aa24fb | 185 | |
6c5b2ebe | 186 | if (result.empty ()) |
55aa24fb SDJ |
187 | { |
188 | throw_error (NOT_FOUND_ERROR, | |
189 | _("No probe matching objfile=`%s', provider=`%s', name=`%s'"), | |
4721dc18 | 190 | objfile_namestr ? objfile_namestr : _("<any>"), |
55aa24fb SDJ |
191 | provider ? provider : _("<any>"), |
192 | name); | |
193 | } | |
194 | ||
195 | if (canonical) | |
196 | { | |
f00aae0f KS |
197 | char *canon; |
198 | ||
199 | canon = savestring (arg_start, arg_end - arg_start); | |
200 | make_cleanup (xfree, canon); | |
55aa24fb SDJ |
201 | canonical->special_display = 1; |
202 | canonical->pre_expanded = 1; | |
8e9e35b1 | 203 | canonical->location = new_probe_location (canon); |
55aa24fb SDJ |
204 | } |
205 | ||
55aa24fb SDJ |
206 | do_cleanups (cleanup); |
207 | ||
208 | return result; | |
209 | } | |
210 | ||
211 | /* See definition in probe.h. */ | |
212 | ||
213 | VEC (probe_p) * | |
214 | find_probes_in_objfile (struct objfile *objfile, const char *provider, | |
215 | const char *name) | |
216 | { | |
217 | VEC (probe_p) *probes, *result = NULL; | |
218 | int ix; | |
219 | struct probe *probe; | |
220 | ||
221 | if (!objfile->sf || !objfile->sf->sym_probe_fns) | |
222 | return NULL; | |
223 | ||
224 | probes = objfile->sf->sym_probe_fns->sym_get_probes (objfile); | |
225 | for (ix = 0; VEC_iterate (probe_p, probes, ix, probe); ix++) | |
226 | { | |
227 | if (strcmp (probe->provider, provider) != 0) | |
228 | continue; | |
229 | ||
230 | if (strcmp (probe->name, name) != 0) | |
231 | continue; | |
232 | ||
233 | VEC_safe_push (probe_p, result, probe); | |
234 | } | |
235 | ||
236 | return result; | |
237 | } | |
238 | ||
239 | /* See definition in probe.h. */ | |
240 | ||
729662a5 | 241 | struct bound_probe |
6bac7473 | 242 | find_probe_by_pc (CORE_ADDR pc) |
55aa24fb SDJ |
243 | { |
244 | struct objfile *objfile; | |
729662a5 TT |
245 | struct bound_probe result; |
246 | ||
247 | result.objfile = NULL; | |
248 | result.probe = NULL; | |
55aa24fb SDJ |
249 | |
250 | ALL_OBJFILES (objfile) | |
251 | { | |
252 | VEC (probe_p) *probes; | |
253 | int ix; | |
254 | struct probe *probe; | |
255 | ||
729662a5 TT |
256 | if (!objfile->sf || !objfile->sf->sym_probe_fns |
257 | || objfile->sect_index_text == -1) | |
55aa24fb SDJ |
258 | continue; |
259 | ||
260 | /* If this proves too inefficient, we can replace with a hash. */ | |
261 | probes = objfile->sf->sym_probe_fns->sym_get_probes (objfile); | |
262 | for (ix = 0; VEC_iterate (probe_p, probes, ix, probe); ix++) | |
729662a5 TT |
263 | if (get_probe_address (probe, objfile) == pc) |
264 | { | |
265 | result.objfile = objfile; | |
266 | result.probe = probe; | |
267 | return result; | |
268 | } | |
55aa24fb SDJ |
269 | } |
270 | ||
729662a5 | 271 | return result; |
55aa24fb SDJ |
272 | } |
273 | ||
274 | \f | |
275 | ||
55aa24fb SDJ |
276 | /* Make a vector of probes matching OBJNAME, PROVIDER, and PROBE_NAME. |
277 | If POPS is not NULL, only probes of this certain probe_ops will match. | |
278 | Each argument is a regexp, or NULL, which matches anything. */ | |
279 | ||
729662a5 | 280 | static VEC (bound_probe_s) * |
55aa24fb SDJ |
281 | collect_probes (char *objname, char *provider, char *probe_name, |
282 | const struct probe_ops *pops) | |
283 | { | |
284 | struct objfile *objfile; | |
729662a5 | 285 | VEC (bound_probe_s) *result = NULL; |
2d7cc5c7 PA |
286 | struct cleanup *cleanup; |
287 | gdb::optional<compiled_regex> obj_pat, prov_pat, probe_pat; | |
55aa24fb | 288 | |
729662a5 | 289 | cleanup = make_cleanup (VEC_cleanup (bound_probe_s), &result); |
55aa24fb | 290 | |
db26349c | 291 | if (provider != NULL) |
2d7cc5c7 | 292 | prov_pat.emplace (provider, REG_NOSUB, _("Invalid provider regexp")); |
db26349c | 293 | if (probe_name != NULL) |
2d7cc5c7 | 294 | probe_pat.emplace (probe_name, REG_NOSUB, _("Invalid probe regexp")); |
db26349c | 295 | if (objname != NULL) |
2d7cc5c7 | 296 | obj_pat.emplace (objname, REG_NOSUB, _("Invalid object file regexp")); |
55aa24fb SDJ |
297 | |
298 | ALL_OBJFILES (objfile) | |
299 | { | |
300 | VEC (probe_p) *probes; | |
301 | struct probe *probe; | |
302 | int ix; | |
303 | ||
304 | if (! objfile->sf || ! objfile->sf->sym_probe_fns) | |
305 | continue; | |
306 | ||
307 | if (objname) | |
308 | { | |
2d7cc5c7 | 309 | if (obj_pat->exec (objfile_name (objfile), 0, NULL, 0) != 0) |
55aa24fb SDJ |
310 | continue; |
311 | } | |
312 | ||
313 | probes = objfile->sf->sym_probe_fns->sym_get_probes (objfile); | |
314 | ||
315 | for (ix = 0; VEC_iterate (probe_p, probes, ix, probe); ix++) | |
316 | { | |
729662a5 TT |
317 | struct bound_probe bound; |
318 | ||
55aa24fb SDJ |
319 | if (pops != NULL && probe->pops != pops) |
320 | continue; | |
321 | ||
322 | if (provider | |
2d7cc5c7 | 323 | && prov_pat->exec (probe->provider, 0, NULL, 0) != 0) |
55aa24fb SDJ |
324 | continue; |
325 | ||
326 | if (probe_name | |
2d7cc5c7 | 327 | && probe_pat->exec (probe->name, 0, NULL, 0) != 0) |
55aa24fb SDJ |
328 | continue; |
329 | ||
729662a5 TT |
330 | bound.objfile = objfile; |
331 | bound.probe = probe; | |
332 | VEC_safe_push (bound_probe_s, result, &bound); | |
55aa24fb SDJ |
333 | } |
334 | } | |
335 | ||
55aa24fb SDJ |
336 | discard_cleanups (cleanup); |
337 | return result; | |
338 | } | |
339 | ||
729662a5 | 340 | /* A qsort comparison function for bound_probe_s objects. */ |
55aa24fb SDJ |
341 | |
342 | static int | |
6bac7473 | 343 | compare_probes (const void *a, const void *b) |
55aa24fb | 344 | { |
729662a5 TT |
345 | const struct bound_probe *pa = (const struct bound_probe *) a; |
346 | const struct bound_probe *pb = (const struct bound_probe *) b; | |
55aa24fb SDJ |
347 | int v; |
348 | ||
729662a5 | 349 | v = strcmp (pa->probe->provider, pb->probe->provider); |
55aa24fb SDJ |
350 | if (v) |
351 | return v; | |
352 | ||
729662a5 | 353 | v = strcmp (pa->probe->name, pb->probe->name); |
55aa24fb SDJ |
354 | if (v) |
355 | return v; | |
356 | ||
729662a5 | 357 | if (pa->probe->address < pb->probe->address) |
55aa24fb | 358 | return -1; |
729662a5 | 359 | if (pa->probe->address > pb->probe->address) |
55aa24fb SDJ |
360 | return 1; |
361 | ||
4262abfb | 362 | return strcmp (objfile_name (pa->objfile), objfile_name (pb->objfile)); |
55aa24fb SDJ |
363 | } |
364 | ||
365 | /* Helper function that generate entries in the ui_out table being | |
366 | crafted by `info_probes_for_ops'. */ | |
367 | ||
368 | static void | |
729662a5 | 369 | gen_ui_out_table_header_info (VEC (bound_probe_s) *probes, |
55aa24fb SDJ |
370 | const struct probe_ops *p) |
371 | { | |
372 | /* `headings' refers to the names of the columns when printing `info | |
373 | probes'. */ | |
374 | VEC (info_probe_column_s) *headings = NULL; | |
375 | struct cleanup *c; | |
376 | info_probe_column_s *column; | |
377 | size_t headings_size; | |
378 | int ix; | |
379 | ||
380 | gdb_assert (p != NULL); | |
381 | ||
382 | if (p->gen_info_probes_table_header == NULL | |
383 | && p->gen_info_probes_table_values == NULL) | |
384 | return; | |
385 | ||
386 | gdb_assert (p->gen_info_probes_table_header != NULL | |
387 | && p->gen_info_probes_table_values != NULL); | |
388 | ||
389 | c = make_cleanup (VEC_cleanup (info_probe_column_s), &headings); | |
390 | p->gen_info_probes_table_header (&headings); | |
391 | ||
392 | headings_size = VEC_length (info_probe_column_s, headings); | |
393 | ||
394 | for (ix = 0; | |
395 | VEC_iterate (info_probe_column_s, headings, ix, column); | |
396 | ++ix) | |
397 | { | |
729662a5 | 398 | struct bound_probe *probe; |
55aa24fb SDJ |
399 | int jx; |
400 | size_t size_max = strlen (column->print_name); | |
401 | ||
729662a5 | 402 | for (jx = 0; VEC_iterate (bound_probe_s, probes, jx, probe); ++jx) |
55aa24fb SDJ |
403 | { |
404 | /* `probe_fields' refers to the values of each new field that this | |
405 | probe will display. */ | |
406 | VEC (const_char_ptr) *probe_fields = NULL; | |
407 | struct cleanup *c2; | |
408 | const char *val; | |
409 | int kx; | |
410 | ||
729662a5 | 411 | if (probe->probe->pops != p) |
55aa24fb SDJ |
412 | continue; |
413 | ||
414 | c2 = make_cleanup (VEC_cleanup (const_char_ptr), &probe_fields); | |
729662a5 | 415 | p->gen_info_probes_table_values (probe->probe, &probe_fields); |
55aa24fb SDJ |
416 | |
417 | gdb_assert (VEC_length (const_char_ptr, probe_fields) | |
418 | == headings_size); | |
419 | ||
420 | for (kx = 0; VEC_iterate (const_char_ptr, probe_fields, kx, val); | |
421 | ++kx) | |
422 | { | |
423 | /* It is valid to have a NULL value here, which means that the | |
424 | backend does not have something to write and this particular | |
425 | field should be skipped. */ | |
426 | if (val == NULL) | |
427 | continue; | |
428 | ||
325fac50 | 429 | size_max = std::max (strlen (val), size_max); |
55aa24fb SDJ |
430 | } |
431 | do_cleanups (c2); | |
432 | } | |
433 | ||
112e8700 SM |
434 | current_uiout->table_header (size_max, ui_left, |
435 | column->field_name, column->print_name); | |
55aa24fb SDJ |
436 | } |
437 | ||
438 | do_cleanups (c); | |
439 | } | |
440 | ||
6f9b8491 JM |
441 | /* Helper function to print not-applicable strings for all the extra |
442 | columns defined in a probe_ops. */ | |
443 | ||
444 | static void | |
445 | print_ui_out_not_applicables (const struct probe_ops *pops) | |
446 | { | |
447 | struct cleanup *c; | |
448 | VEC (info_probe_column_s) *headings = NULL; | |
449 | info_probe_column_s *column; | |
450 | int ix; | |
451 | ||
452 | if (pops->gen_info_probes_table_header == NULL) | |
453 | return; | |
454 | ||
455 | c = make_cleanup (VEC_cleanup (info_probe_column_s), &headings); | |
456 | pops->gen_info_probes_table_header (&headings); | |
457 | ||
458 | for (ix = 0; | |
459 | VEC_iterate (info_probe_column_s, headings, ix, column); | |
460 | ++ix) | |
112e8700 | 461 | current_uiout->field_string (column->field_name, _("n/a")); |
6f9b8491 JM |
462 | |
463 | do_cleanups (c); | |
464 | } | |
465 | ||
55aa24fb | 466 | /* Helper function to print extra information about a probe and an objfile |
6bac7473 | 467 | represented by PROBE. */ |
55aa24fb SDJ |
468 | |
469 | static void | |
6bac7473 | 470 | print_ui_out_info (struct probe *probe) |
55aa24fb SDJ |
471 | { |
472 | int ix; | |
473 | int j = 0; | |
474 | /* `values' refers to the actual values of each new field in the output | |
475 | of `info probe'. `headings' refers to the names of each new field. */ | |
476 | VEC (const_char_ptr) *values = NULL; | |
477 | VEC (info_probe_column_s) *headings = NULL; | |
478 | info_probe_column_s *column; | |
479 | struct cleanup *c; | |
480 | ||
6bac7473 SDJ |
481 | gdb_assert (probe != NULL); |
482 | gdb_assert (probe->pops != NULL); | |
55aa24fb | 483 | |
6bac7473 SDJ |
484 | if (probe->pops->gen_info_probes_table_header == NULL |
485 | && probe->pops->gen_info_probes_table_values == NULL) | |
55aa24fb SDJ |
486 | return; |
487 | ||
6bac7473 SDJ |
488 | gdb_assert (probe->pops->gen_info_probes_table_header != NULL |
489 | && probe->pops->gen_info_probes_table_values != NULL); | |
55aa24fb SDJ |
490 | |
491 | c = make_cleanup (VEC_cleanup (info_probe_column_s), &headings); | |
492 | make_cleanup (VEC_cleanup (const_char_ptr), &values); | |
493 | ||
6bac7473 SDJ |
494 | probe->pops->gen_info_probes_table_header (&headings); |
495 | probe->pops->gen_info_probes_table_values (probe, &values); | |
55aa24fb SDJ |
496 | |
497 | gdb_assert (VEC_length (info_probe_column_s, headings) | |
498 | == VEC_length (const_char_ptr, values)); | |
499 | ||
500 | for (ix = 0; | |
501 | VEC_iterate (info_probe_column_s, headings, ix, column); | |
502 | ++ix) | |
503 | { | |
504 | const char *val = VEC_index (const_char_ptr, values, j++); | |
505 | ||
506 | if (val == NULL) | |
112e8700 | 507 | current_uiout->field_skip (column->field_name); |
55aa24fb | 508 | else |
112e8700 | 509 | current_uiout->field_string (column->field_name, val); |
55aa24fb SDJ |
510 | } |
511 | ||
512 | do_cleanups (c); | |
513 | } | |
514 | ||
515 | /* Helper function that returns the number of extra fields which POPS will | |
516 | need. */ | |
517 | ||
518 | static int | |
519 | get_number_extra_fields (const struct probe_ops *pops) | |
520 | { | |
521 | VEC (info_probe_column_s) *headings = NULL; | |
522 | struct cleanup *c; | |
523 | int n; | |
524 | ||
525 | if (pops->gen_info_probes_table_header == NULL) | |
526 | return 0; | |
527 | ||
528 | c = make_cleanup (VEC_cleanup (info_probe_column_s), &headings); | |
529 | pops->gen_info_probes_table_header (&headings); | |
530 | ||
531 | n = VEC_length (info_probe_column_s, headings); | |
532 | ||
533 | do_cleanups (c); | |
534 | ||
535 | return n; | |
536 | } | |
537 | ||
6f9b8491 JM |
538 | /* Helper function that returns 1 if there is a probe in PROBES |
539 | featuring the given POPS. It returns 0 otherwise. */ | |
540 | ||
541 | static int | |
542 | exists_probe_with_pops (VEC (bound_probe_s) *probes, | |
543 | const struct probe_ops *pops) | |
544 | { | |
545 | struct bound_probe *probe; | |
546 | int ix; | |
547 | ||
548 | for (ix = 0; VEC_iterate (bound_probe_s, probes, ix, probe); ++ix) | |
549 | if (probe->probe->pops == pops) | |
550 | return 1; | |
551 | ||
552 | return 0; | |
553 | } | |
554 | ||
9aca2ff8 JM |
555 | /* Helper function that parses a probe linespec of the form [PROVIDER |
556 | [PROBE [OBJNAME]]] from the provided string STR. */ | |
557 | ||
558 | static void | |
559 | parse_probe_linespec (const char *str, char **provider, | |
560 | char **probe_name, char **objname) | |
561 | { | |
562 | *probe_name = *objname = NULL; | |
563 | ||
564 | *provider = extract_arg_const (&str); | |
565 | if (*provider != NULL) | |
566 | { | |
567 | *probe_name = extract_arg_const (&str); | |
568 | if (*probe_name != NULL) | |
569 | *objname = extract_arg_const (&str); | |
570 | } | |
571 | } | |
572 | ||
55aa24fb SDJ |
573 | /* See comment in probe.h. */ |
574 | ||
575 | void | |
8236def8 TT |
576 | info_probes_for_ops (const char *arg, int from_tty, |
577 | const struct probe_ops *pops) | |
55aa24fb | 578 | { |
6bac7473 | 579 | char *provider, *probe_name = NULL, *objname = NULL; |
55aa24fb | 580 | struct cleanup *cleanup = make_cleanup (null_cleanup, NULL); |
729662a5 | 581 | VEC (bound_probe_s) *probes; |
55aa24fb SDJ |
582 | int i, any_found; |
583 | int ui_out_extra_fields = 0; | |
584 | size_t size_addr; | |
585 | size_t size_name = strlen ("Name"); | |
586 | size_t size_objname = strlen ("Object"); | |
587 | size_t size_provider = strlen ("Provider"); | |
6f9b8491 | 588 | size_t size_type = strlen ("Type"); |
729662a5 | 589 | struct bound_probe *probe; |
55aa24fb SDJ |
590 | struct gdbarch *gdbarch = get_current_arch (); |
591 | ||
9aca2ff8 JM |
592 | parse_probe_linespec (arg, &provider, &probe_name, &objname); |
593 | make_cleanup (xfree, provider); | |
594 | make_cleanup (xfree, probe_name); | |
595 | make_cleanup (xfree, objname); | |
55aa24fb | 596 | |
6f9b8491 JM |
597 | probes = collect_probes (objname, provider, probe_name, pops); |
598 | make_cleanup (VEC_cleanup (probe_p), &probes); | |
599 | ||
55aa24fb SDJ |
600 | if (pops == NULL) |
601 | { | |
602 | const struct probe_ops *po; | |
603 | int ix; | |
604 | ||
605 | /* If the probe_ops is NULL, it means the user has requested a "simple" | |
606 | `info probes', i.e., she wants to print all information about all | |
607 | probes. For that, we have to identify how many extra fields we will | |
608 | need to add in the ui_out table. | |
609 | ||
610 | To do that, we iterate over all probe_ops, querying each one about | |
611 | its extra fields, and incrementing `ui_out_extra_fields' to reflect | |
6f9b8491 JM |
612 | that number. But note that we ignore the probe_ops for which no probes |
613 | are defined with the given search criteria. */ | |
55aa24fb SDJ |
614 | |
615 | for (ix = 0; VEC_iterate (probe_ops_cp, all_probe_ops, ix, po); ++ix) | |
6f9b8491 JM |
616 | if (exists_probe_with_pops (probes, po)) |
617 | ui_out_extra_fields += get_number_extra_fields (po); | |
55aa24fb SDJ |
618 | } |
619 | else | |
620 | ui_out_extra_fields = get_number_extra_fields (pops); | |
621 | ||
55aa24fb | 622 | make_cleanup_ui_out_table_begin_end (current_uiout, |
6f9b8491 | 623 | 5 + ui_out_extra_fields, |
729662a5 | 624 | VEC_length (bound_probe_s, probes), |
55aa24fb SDJ |
625 | "StaticProbes"); |
626 | ||
729662a5 TT |
627 | if (!VEC_empty (bound_probe_s, probes)) |
628 | qsort (VEC_address (bound_probe_s, probes), | |
629 | VEC_length (bound_probe_s, probes), | |
630 | sizeof (bound_probe_s), compare_probes); | |
55aa24fb SDJ |
631 | |
632 | /* What's the size of an address in our architecture? */ | |
633 | size_addr = gdbarch_addr_bit (gdbarch) == 64 ? 18 : 10; | |
634 | ||
6f9b8491 JM |
635 | /* Determining the maximum size of each field (`type', `provider', |
636 | `name' and `objname'). */ | |
729662a5 | 637 | for (i = 0; VEC_iterate (bound_probe_s, probes, i, probe); ++i) |
55aa24fb | 638 | { |
6f9b8491 JM |
639 | const char *probe_type = probe->probe->pops->type_name (probe->probe); |
640 | ||
325fac50 PA |
641 | size_type = std::max (strlen (probe_type), size_type); |
642 | size_name = std::max (strlen (probe->probe->name), size_name); | |
643 | size_provider = std::max (strlen (probe->probe->provider), size_provider); | |
644 | size_objname = std::max (strlen (objfile_name (probe->objfile)), | |
645 | size_objname); | |
55aa24fb SDJ |
646 | } |
647 | ||
112e8700 SM |
648 | current_uiout->table_header (size_type, ui_left, "type", _("Type")); |
649 | current_uiout->table_header (size_provider, ui_left, "provider", | |
650 | _("Provider")); | |
651 | current_uiout->table_header (size_name, ui_left, "name", _("Name")); | |
652 | current_uiout->table_header (size_addr, ui_left, "addr", _("Where")); | |
55aa24fb SDJ |
653 | |
654 | if (pops == NULL) | |
655 | { | |
656 | const struct probe_ops *po; | |
657 | int ix; | |
658 | ||
6f9b8491 JM |
659 | /* We have to generate the table header for each new probe type |
660 | that we will print. Note that this excludes probe types not | |
661 | having any defined probe with the search criteria. */ | |
55aa24fb | 662 | for (ix = 0; VEC_iterate (probe_ops_cp, all_probe_ops, ix, po); ++ix) |
6f9b8491 JM |
663 | if (exists_probe_with_pops (probes, po)) |
664 | gen_ui_out_table_header_info (probes, po); | |
55aa24fb SDJ |
665 | } |
666 | else | |
6bac7473 | 667 | gen_ui_out_table_header_info (probes, pops); |
55aa24fb | 668 | |
112e8700 SM |
669 | current_uiout->table_header (size_objname, ui_left, "object", _("Object")); |
670 | current_uiout->table_body (); | |
55aa24fb | 671 | |
729662a5 | 672 | for (i = 0; VEC_iterate (bound_probe_s, probes, i, probe); ++i) |
55aa24fb | 673 | { |
6f9b8491 | 674 | const char *probe_type = probe->probe->pops->type_name (probe->probe); |
55aa24fb | 675 | |
2e783024 | 676 | ui_out_emit_tuple tuple_emitter (current_uiout, "probe"); |
55aa24fb | 677 | |
112e8700 SM |
678 | current_uiout->field_string ("type",probe_type); |
679 | current_uiout->field_string ("provider", probe->probe->provider); | |
680 | current_uiout->field_string ("name", probe->probe->name); | |
681 | current_uiout->field_core_addr ( | |
682 | "addr", probe->probe->arch, | |
683 | get_probe_address (probe->probe, probe->objfile)); | |
55aa24fb SDJ |
684 | |
685 | if (pops == NULL) | |
686 | { | |
687 | const struct probe_ops *po; | |
688 | int ix; | |
689 | ||
690 | for (ix = 0; VEC_iterate (probe_ops_cp, all_probe_ops, ix, po); | |
691 | ++ix) | |
729662a5 TT |
692 | if (probe->probe->pops == po) |
693 | print_ui_out_info (probe->probe); | |
6f9b8491 JM |
694 | else if (exists_probe_with_pops (probes, po)) |
695 | print_ui_out_not_applicables (po); | |
55aa24fb SDJ |
696 | } |
697 | else | |
729662a5 | 698 | print_ui_out_info (probe->probe); |
55aa24fb | 699 | |
112e8700 | 700 | current_uiout->field_string ("object", |
4262abfb | 701 | objfile_name (probe->objfile)); |
112e8700 | 702 | current_uiout->text ("\n"); |
55aa24fb SDJ |
703 | } |
704 | ||
729662a5 | 705 | any_found = !VEC_empty (bound_probe_s, probes); |
55aa24fb SDJ |
706 | do_cleanups (cleanup); |
707 | ||
708 | if (!any_found) | |
112e8700 | 709 | current_uiout->message (_("No probes matched.\n")); |
55aa24fb SDJ |
710 | } |
711 | ||
712 | /* Implementation of the `info probes' command. */ | |
713 | ||
714 | static void | |
715 | info_probes_command (char *arg, int from_tty) | |
716 | { | |
717 | info_probes_for_ops (arg, from_tty, NULL); | |
718 | } | |
719 | ||
9aca2ff8 JM |
720 | /* Implementation of the `enable probes' command. */ |
721 | ||
722 | static void | |
723 | enable_probes_command (char *arg, int from_tty) | |
724 | { | |
725 | char *provider, *probe_name = NULL, *objname = NULL; | |
726 | struct cleanup *cleanup = make_cleanup (null_cleanup, NULL); | |
727 | VEC (bound_probe_s) *probes; | |
728 | struct bound_probe *probe; | |
729 | int i; | |
730 | ||
731 | parse_probe_linespec ((const char *) arg, &provider, &probe_name, &objname); | |
732 | make_cleanup (xfree, provider); | |
733 | make_cleanup (xfree, probe_name); | |
734 | make_cleanup (xfree, objname); | |
735 | ||
736 | probes = collect_probes (objname, provider, probe_name, NULL); | |
737 | if (VEC_empty (bound_probe_s, probes)) | |
738 | { | |
112e8700 | 739 | current_uiout->message (_("No probes matched.\n")); |
9aca2ff8 JM |
740 | do_cleanups (cleanup); |
741 | return; | |
742 | } | |
743 | ||
744 | /* Enable the selected probes, provided their backends support the | |
745 | notion of enabling a probe. */ | |
746 | for (i = 0; VEC_iterate (bound_probe_s, probes, i, probe); ++i) | |
747 | { | |
748 | const struct probe_ops *pops = probe->probe->pops; | |
749 | ||
750 | if (pops->enable_probe != NULL) | |
751 | { | |
752 | pops->enable_probe (probe->probe); | |
112e8700 SM |
753 | current_uiout->message (_("Probe %s:%s enabled.\n"), |
754 | probe->probe->provider, probe->probe->name); | |
9aca2ff8 JM |
755 | } |
756 | else | |
112e8700 SM |
757 | current_uiout->message (_("Probe %s:%s cannot be enabled.\n"), |
758 | probe->probe->provider, probe->probe->name); | |
9aca2ff8 JM |
759 | } |
760 | ||
761 | do_cleanups (cleanup); | |
762 | } | |
763 | ||
764 | /* Implementation of the `disable probes' command. */ | |
765 | ||
766 | static void | |
767 | disable_probes_command (char *arg, int from_tty) | |
768 | { | |
769 | char *provider, *probe_name = NULL, *objname = NULL; | |
770 | struct cleanup *cleanup = make_cleanup (null_cleanup, NULL); | |
771 | VEC (bound_probe_s) *probes; | |
772 | struct bound_probe *probe; | |
773 | int i; | |
774 | ||
775 | parse_probe_linespec ((const char *) arg, &provider, &probe_name, &objname); | |
776 | make_cleanup (xfree, provider); | |
777 | make_cleanup (xfree, probe_name); | |
778 | make_cleanup (xfree, objname); | |
779 | ||
780 | probes = collect_probes (objname, provider, probe_name, NULL /* pops */); | |
781 | if (VEC_empty (bound_probe_s, probes)) | |
782 | { | |
112e8700 | 783 | current_uiout->message (_("No probes matched.\n")); |
9aca2ff8 JM |
784 | do_cleanups (cleanup); |
785 | return; | |
786 | } | |
787 | ||
788 | /* Disable the selected probes, provided their backends support the | |
789 | notion of enabling a probe. */ | |
790 | for (i = 0; VEC_iterate (bound_probe_s, probes, i, probe); ++i) | |
791 | { | |
792 | const struct probe_ops *pops = probe->probe->pops; | |
793 | ||
794 | if (pops->disable_probe != NULL) | |
795 | { | |
796 | pops->disable_probe (probe->probe); | |
112e8700 SM |
797 | current_uiout->message (_("Probe %s:%s disabled.\n"), |
798 | probe->probe->provider, probe->probe->name); | |
9aca2ff8 JM |
799 | } |
800 | else | |
112e8700 SM |
801 | current_uiout->message (_("Probe %s:%s cannot be disabled.\n"), |
802 | probe->probe->provider, probe->probe->name); | |
9aca2ff8 JM |
803 | } |
804 | ||
805 | do_cleanups (cleanup); | |
806 | } | |
807 | ||
55aa24fb SDJ |
808 | /* See comments in probe.h. */ |
809 | ||
729662a5 TT |
810 | CORE_ADDR |
811 | get_probe_address (struct probe *probe, struct objfile *objfile) | |
812 | { | |
813 | return probe->pops->get_probe_address (probe, objfile); | |
814 | } | |
815 | ||
816 | /* See comments in probe.h. */ | |
817 | ||
9ee6a5ac | 818 | unsigned |
08a6411c | 819 | get_probe_argument_count (struct probe *probe, struct frame_info *frame) |
9ee6a5ac | 820 | { |
08a6411c | 821 | return probe->pops->get_probe_argument_count (probe, frame); |
9ee6a5ac GB |
822 | } |
823 | ||
824 | /* See comments in probe.h. */ | |
825 | ||
25f9533e SDJ |
826 | int |
827 | can_evaluate_probe_arguments (struct probe *probe) | |
828 | { | |
37fbcad0 | 829 | return probe->pops->can_evaluate_probe_arguments (probe); |
25f9533e SDJ |
830 | } |
831 | ||
832 | /* See comments in probe.h. */ | |
833 | ||
9ee6a5ac | 834 | struct value * |
08a6411c SDJ |
835 | evaluate_probe_argument (struct probe *probe, unsigned n, |
836 | struct frame_info *frame) | |
9ee6a5ac | 837 | { |
08a6411c | 838 | return probe->pops->evaluate_probe_argument (probe, n, frame); |
9ee6a5ac GB |
839 | } |
840 | ||
841 | /* See comments in probe.h. */ | |
842 | ||
55aa24fb SDJ |
843 | struct value * |
844 | probe_safe_evaluate_at_pc (struct frame_info *frame, unsigned n) | |
845 | { | |
729662a5 | 846 | struct bound_probe probe; |
2b963b68 | 847 | unsigned n_args; |
55aa24fb | 848 | |
6bac7473 | 849 | probe = find_probe_by_pc (get_frame_pc (frame)); |
729662a5 | 850 | if (!probe.probe) |
55aa24fb | 851 | return NULL; |
55aa24fb | 852 | |
729662a5 | 853 | n_args = get_probe_argument_count (probe.probe, frame); |
2b963b68 | 854 | if (n >= n_args) |
55aa24fb SDJ |
855 | return NULL; |
856 | ||
729662a5 | 857 | return evaluate_probe_argument (probe.probe, n, frame); |
55aa24fb SDJ |
858 | } |
859 | ||
860 | /* See comment in probe.h. */ | |
861 | ||
862 | const struct probe_ops * | |
863 | probe_linespec_to_ops (const char **linespecp) | |
864 | { | |
865 | int ix; | |
866 | const struct probe_ops *probe_ops; | |
867 | ||
868 | for (ix = 0; VEC_iterate (probe_ops_cp, all_probe_ops, ix, probe_ops); ix++) | |
869 | if (probe_ops->is_linespec (linespecp)) | |
870 | return probe_ops; | |
871 | ||
872 | return NULL; | |
873 | } | |
874 | ||
875 | /* See comment in probe.h. */ | |
876 | ||
877 | int | |
878 | probe_is_linespec_by_keyword (const char **linespecp, const char *const *keywords) | |
879 | { | |
880 | const char *s = *linespecp; | |
881 | const char *const *csp; | |
882 | ||
883 | for (csp = keywords; *csp; csp++) | |
884 | { | |
885 | const char *keyword = *csp; | |
886 | size_t len = strlen (keyword); | |
887 | ||
888 | if (strncmp (s, keyword, len) == 0 && isspace (s[len])) | |
889 | { | |
890 | *linespecp += len + 1; | |
891 | return 1; | |
892 | } | |
893 | } | |
894 | ||
895 | return 0; | |
896 | } | |
897 | ||
898 | /* Implementation of `is_linespec' method for `struct probe_ops'. */ | |
899 | ||
900 | static int | |
901 | probe_any_is_linespec (const char **linespecp) | |
902 | { | |
903 | static const char *const keywords[] = { "-p", "-probe", NULL }; | |
904 | ||
905 | return probe_is_linespec_by_keyword (linespecp, keywords); | |
906 | } | |
907 | ||
908 | /* Dummy method used for `probe_ops_any'. */ | |
909 | ||
910 | static void | |
911 | probe_any_get_probes (VEC (probe_p) **probesp, struct objfile *objfile) | |
912 | { | |
913 | /* No probes can be provided by this dummy backend. */ | |
914 | } | |
915 | ||
916 | /* Operations associated with a generic probe. */ | |
917 | ||
918 | const struct probe_ops probe_ops_any = | |
919 | { | |
920 | probe_any_is_linespec, | |
921 | probe_any_get_probes, | |
922 | }; | |
923 | ||
924 | /* See comments in probe.h. */ | |
925 | ||
926 | struct cmd_list_element ** | |
927 | info_probes_cmdlist_get (void) | |
928 | { | |
929 | static struct cmd_list_element *info_probes_cmdlist; | |
930 | ||
931 | if (info_probes_cmdlist == NULL) | |
932 | add_prefix_cmd ("probes", class_info, info_probes_command, | |
933 | _("\ | |
934 | Show available static probes.\n\ | |
935 | Usage: info probes [all|TYPE [ARGS]]\n\ | |
936 | TYPE specifies the type of the probe, and can be one of the following:\n\ | |
937 | - stap\n\ | |
938 | If you specify TYPE, there may be additional arguments needed by the\n\ | |
939 | subcommand.\n\ | |
940 | If you do not specify any argument, or specify `all', then the command\n\ | |
941 | will show information about all types of probes."), | |
942 | &info_probes_cmdlist, "info probes ", | |
943 | 0/*allow-unknown*/, &infolist); | |
944 | ||
945 | return &info_probes_cmdlist; | |
946 | } | |
947 | ||
03e98035 JM |
948 | \f |
949 | ||
950 | /* This is called to compute the value of one of the $_probe_arg* | |
951 | convenience variables. */ | |
952 | ||
953 | static struct value * | |
954 | compute_probe_arg (struct gdbarch *arch, struct internalvar *ivar, | |
955 | void *data) | |
956 | { | |
957 | struct frame_info *frame = get_selected_frame (_("No frame selected")); | |
958 | CORE_ADDR pc = get_frame_pc (frame); | |
959 | int sel = (int) (uintptr_t) data; | |
960 | struct bound_probe pc_probe; | |
961 | const struct sym_probe_fns *pc_probe_fns; | |
962 | unsigned n_args; | |
963 | ||
964 | /* SEL == -1 means "_probe_argc". */ | |
965 | gdb_assert (sel >= -1); | |
966 | ||
967 | pc_probe = find_probe_by_pc (pc); | |
968 | if (pc_probe.probe == NULL) | |
969 | error (_("No probe at PC %s"), core_addr_to_string (pc)); | |
970 | ||
971 | n_args = get_probe_argument_count (pc_probe.probe, frame); | |
972 | if (sel == -1) | |
973 | return value_from_longest (builtin_type (arch)->builtin_int, n_args); | |
974 | ||
975 | if (sel >= n_args) | |
976 | error (_("Invalid probe argument %d -- probe has %u arguments available"), | |
977 | sel, n_args); | |
978 | ||
979 | return evaluate_probe_argument (pc_probe.probe, sel, frame); | |
980 | } | |
981 | ||
982 | /* This is called to compile one of the $_probe_arg* convenience | |
983 | variables into an agent expression. */ | |
984 | ||
985 | static void | |
986 | compile_probe_arg (struct internalvar *ivar, struct agent_expr *expr, | |
987 | struct axs_value *value, void *data) | |
988 | { | |
989 | CORE_ADDR pc = expr->scope; | |
990 | int sel = (int) (uintptr_t) data; | |
991 | struct bound_probe pc_probe; | |
992 | const struct sym_probe_fns *pc_probe_fns; | |
993 | int n_args; | |
994 | struct frame_info *frame = get_selected_frame (NULL); | |
995 | ||
996 | /* SEL == -1 means "_probe_argc". */ | |
997 | gdb_assert (sel >= -1); | |
998 | ||
999 | pc_probe = find_probe_by_pc (pc); | |
1000 | if (pc_probe.probe == NULL) | |
1001 | error (_("No probe at PC %s"), core_addr_to_string (pc)); | |
1002 | ||
1003 | n_args = get_probe_argument_count (pc_probe.probe, frame); | |
1004 | ||
1005 | if (sel == -1) | |
1006 | { | |
1007 | value->kind = axs_rvalue; | |
1008 | value->type = builtin_type (expr->gdbarch)->builtin_int; | |
1009 | ax_const_l (expr, n_args); | |
1010 | return; | |
1011 | } | |
1012 | ||
1013 | gdb_assert (sel >= 0); | |
1014 | if (sel >= n_args) | |
1015 | error (_("Invalid probe argument %d -- probe has %d arguments available"), | |
1016 | sel, n_args); | |
1017 | ||
1018 | pc_probe.probe->pops->compile_to_ax (pc_probe.probe, expr, value, sel); | |
1019 | } | |
1020 | ||
1021 | static const struct internalvar_funcs probe_funcs = | |
1022 | { | |
1023 | compute_probe_arg, | |
1024 | compile_probe_arg, | |
1025 | NULL | |
1026 | }; | |
1027 | ||
1028 | ||
55aa24fb SDJ |
1029 | VEC (probe_ops_cp) *all_probe_ops; |
1030 | ||
1031 | void _initialize_probe (void); | |
1032 | ||
1033 | void | |
1034 | _initialize_probe (void) | |
1035 | { | |
1036 | VEC_safe_push (probe_ops_cp, all_probe_ops, &probe_ops_any); | |
1037 | ||
03e98035 JM |
1038 | create_internalvar_type_lazy ("_probe_argc", &probe_funcs, |
1039 | (void *) (uintptr_t) -1); | |
1040 | create_internalvar_type_lazy ("_probe_arg0", &probe_funcs, | |
1041 | (void *) (uintptr_t) 0); | |
1042 | create_internalvar_type_lazy ("_probe_arg1", &probe_funcs, | |
1043 | (void *) (uintptr_t) 1); | |
1044 | create_internalvar_type_lazy ("_probe_arg2", &probe_funcs, | |
1045 | (void *) (uintptr_t) 2); | |
1046 | create_internalvar_type_lazy ("_probe_arg3", &probe_funcs, | |
1047 | (void *) (uintptr_t) 3); | |
1048 | create_internalvar_type_lazy ("_probe_arg4", &probe_funcs, | |
1049 | (void *) (uintptr_t) 4); | |
1050 | create_internalvar_type_lazy ("_probe_arg5", &probe_funcs, | |
1051 | (void *) (uintptr_t) 5); | |
1052 | create_internalvar_type_lazy ("_probe_arg6", &probe_funcs, | |
1053 | (void *) (uintptr_t) 6); | |
1054 | create_internalvar_type_lazy ("_probe_arg7", &probe_funcs, | |
1055 | (void *) (uintptr_t) 7); | |
1056 | create_internalvar_type_lazy ("_probe_arg8", &probe_funcs, | |
1057 | (void *) (uintptr_t) 8); | |
1058 | create_internalvar_type_lazy ("_probe_arg9", &probe_funcs, | |
1059 | (void *) (uintptr_t) 9); | |
1060 | create_internalvar_type_lazy ("_probe_arg10", &probe_funcs, | |
1061 | (void *) (uintptr_t) 10); | |
1062 | create_internalvar_type_lazy ("_probe_arg11", &probe_funcs, | |
1063 | (void *) (uintptr_t) 11); | |
1064 | ||
55aa24fb SDJ |
1065 | add_cmd ("all", class_info, info_probes_command, |
1066 | _("\ | |
1067 | Show information about all type of probes."), | |
1068 | info_probes_cmdlist_get ()); | |
9aca2ff8 JM |
1069 | |
1070 | add_cmd ("probes", class_breakpoint, enable_probes_command, _("\ | |
1071 | Enable probes.\n\ | |
1072 | Usage: enable probes [PROVIDER [NAME [OBJECT]]]\n\ | |
1073 | Each argument is a regular expression, used to select probes.\n\ | |
1074 | PROVIDER matches probe provider names.\n\ | |
1075 | NAME matches the probe names.\n\ | |
1076 | OBJECT matches the executable or shared library name.\n\ | |
1077 | If you do not specify any argument then the command will enable\n\ | |
1078 | all defined probes."), | |
1079 | &enablelist); | |
1080 | ||
1081 | add_cmd ("probes", class_breakpoint, disable_probes_command, _("\ | |
1082 | Disable probes.\n\ | |
1083 | Usage: disable probes [PROVIDER [NAME [OBJECT]]]\n\ | |
1084 | Each argument is a regular expression, used to select probes.\n\ | |
1085 | PROVIDER matches probe provider names.\n\ | |
1086 | NAME matches the probe names.\n\ | |
1087 | OBJECT matches the executable or shared library name.\n\ | |
1088 | If you do not specify any argument then the command will disable\n\ | |
1089 | all defined probes."), | |
1090 | &disablelist); | |
1091 | ||
55aa24fb | 1092 | } |