Commit | Line | Data |
---|---|---|
1bfeeb0f JL |
1 | /* Skipping uninteresting files and functions while stepping. |
2 | ||
b811d2c2 | 3 | Copyright (C) 2011-2020 Free Software Foundation, Inc. |
1bfeeb0f JL |
4 | |
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 3 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
17 | ||
18 | #include "defs.h" | |
19 | #include "skip.h" | |
20 | #include "value.h" | |
21 | #include "valprint.h" | |
22 | #include "ui-out.h" | |
1bfeeb0f JL |
23 | #include "symtab.h" |
24 | #include "gdbcmd.h" | |
25 | #include "command.h" | |
26 | #include "completer.h" | |
27 | #include "stack.h" | |
28 | #include "cli/cli-utils.h" | |
29 | #include "arch-utils.h" | |
30 | #include "linespec.h" | |
31 | #include "objfiles.h" | |
1bfeeb0f | 32 | #include "breakpoint.h" /* for get_sal_arch () */ |
05cba821 JK |
33 | #include "source.h" |
34 | #include "filenames.h" | |
cce0e923 DE |
35 | #include "fnmatch.h" |
36 | #include "gdb_regex.h" | |
268a13a5 | 37 | #include "gdbsupport/gdb_optional.h" |
de7985c3 | 38 | #include <list> |
e43b10e1 | 39 | #include "cli/cli-style.h" |
1bfeeb0f | 40 | |
3e68067f SM |
41 | /* True if we want to print debug printouts related to file/function |
42 | skipping. */ | |
491144b5 | 43 | static bool debug_skip = false; |
3e68067f | 44 | |
de7985c3 | 45 | class skiplist_entry |
1bfeeb0f | 46 | { |
de7985c3 PA |
47 | public: |
48 | /* Create a skiplist_entry object and add it to the chain. */ | |
49 | static void add_entry (bool file_is_glob, | |
50 | std::string &&file, | |
51 | bool function_is_regexp, | |
52 | std::string &&function); | |
53 | ||
54 | /* Return true if the skip entry has a file or glob-style file | |
55 | pattern that matches FUNCTION_SAL. */ | |
56 | bool skip_file_p (const symtab_and_line &function_sal) const; | |
57 | ||
58 | /* Return true if the skip entry has a function or function regexp | |
59 | that matches FUNCTION_NAME. */ | |
60 | bool skip_function_p (const char *function_name) const; | |
61 | ||
62 | /* Getters. */ | |
63 | int number () const { return m_number; }; | |
64 | bool enabled () const { return m_enabled; }; | |
65 | bool file_is_glob () const { return m_file_is_glob; } | |
66 | const std::string &file () const { return m_file; } | |
67 | const std::string &function () const { return m_function; } | |
68 | bool function_is_regexp () const { return m_function_is_regexp; } | |
69 | ||
70 | /* Setters. */ | |
71 | void enable () { m_enabled = true; }; | |
72 | void disable () { m_enabled = false; }; | |
73 | ||
74 | /* Disable copy. */ | |
75 | skiplist_entry (const skiplist_entry &) = delete; | |
76 | void operator= (const skiplist_entry &) = delete; | |
77 | ||
78 | private: | |
79 | /* Key that grants access to the constructor. */ | |
80 | struct private_key {}; | |
81 | public: | |
82 | /* Public so we can construct with container::emplace_back. Since | |
83 | it requires a private class key, it can't be called from outside. | |
84 | Use the add_entry static factory method to construct instead. */ | |
85 | skiplist_entry (bool file_is_glob, std::string &&file, | |
86 | bool function_is_regexp, std::string &&function, | |
87 | private_key); | |
88 | ||
89 | private: | |
90 | /* Return true if we're stopped at a file to be skipped. */ | |
91 | bool do_skip_file_p (const symtab_and_line &function_sal) const; | |
92 | ||
93 | /* Return true if we're stopped at a globbed file to be skipped. */ | |
94 | bool do_skip_gfile_p (const symtab_and_line &function_sal) const; | |
95 | ||
96 | private: /* data */ | |
97 | int m_number = -1; | |
1bfeeb0f | 98 | |
42fa2e0e TT |
99 | /* True if FILE is a glob-style pattern. |
100 | Otherwise it is the plain file name (possibly with directories). */ | |
de7985c3 | 101 | bool m_file_is_glob; |
cce0e923 | 102 | |
42fa2e0e | 103 | /* The name of the file or empty if no name. */ |
de7985c3 | 104 | std::string m_file; |
cce0e923 | 105 | |
42fa2e0e | 106 | /* True if FUNCTION is a regexp. |
cce0e923 DE |
107 | Otherwise it is a plain function name (possibly with arguments, |
108 | for C++). */ | |
de7985c3 | 109 | bool m_function_is_regexp; |
1bfeeb0f | 110 | |
42fa2e0e | 111 | /* The name of the function or empty if no name. */ |
de7985c3 | 112 | std::string m_function; |
cce0e923 DE |
113 | |
114 | /* If this is a function regexp, the compiled form. */ | |
de7985c3 | 115 | gdb::optional<compiled_regex> m_compiled_function_regexp; |
1bfeeb0f | 116 | |
de7985c3 PA |
117 | /* Enabled/disabled state. */ |
118 | bool m_enabled = true; | |
1bfeeb0f JL |
119 | }; |
120 | ||
de7985c3 PA |
121 | static std::list<skiplist_entry> skiplist_entries; |
122 | static int highest_skiplist_entry_num = 0; | |
123 | ||
124 | skiplist_entry::skiplist_entry (bool file_is_glob, | |
125 | std::string &&file, | |
126 | bool function_is_regexp, | |
127 | std::string &&function, | |
128 | private_key) | |
129 | : m_file_is_glob (file_is_glob), | |
130 | m_file (std::move (file)), | |
131 | m_function_is_regexp (function_is_regexp), | |
132 | m_function (std::move (function)) | |
133 | { | |
134 | gdb_assert (!m_file.empty () || !m_function.empty ()); | |
1bfeeb0f | 135 | |
de7985c3 PA |
136 | if (m_file_is_glob) |
137 | gdb_assert (!m_file.empty ()); | |
1bfeeb0f | 138 | |
de7985c3 PA |
139 | if (m_function_is_regexp) |
140 | { | |
141 | gdb_assert (!m_function.empty ()); | |
1bfeeb0f | 142 | |
de7985c3 PA |
143 | int flags = REG_NOSUB; |
144 | #ifdef REG_EXTENDED | |
145 | flags |= REG_EXTENDED; | |
146 | #endif | |
1bfeeb0f | 147 | |
de7985c3 PA |
148 | gdb_assert (!m_function.empty ()); |
149 | m_compiled_function_regexp.emplace (m_function.c_str (), flags, | |
150 | _("regexp")); | |
151 | } | |
152 | } | |
cce0e923 | 153 | |
de7985c3 PA |
154 | void |
155 | skiplist_entry::add_entry (bool file_is_glob, std::string &&file, | |
156 | bool function_is_regexp, std::string &&function) | |
cce0e923 | 157 | { |
de7985c3 PA |
158 | skiplist_entries.emplace_back (file_is_glob, |
159 | std::move (file), | |
160 | function_is_regexp, | |
161 | std::move (function), | |
162 | private_key {}); | |
163 | ||
164 | /* Incremented after push_back, in case push_back throws. */ | |
165 | skiplist_entries.back ().m_number = ++highest_skiplist_entry_num; | |
cce0e923 DE |
166 | } |
167 | ||
1bfeeb0f | 168 | static void |
863779b0 | 169 | skip_file_command (const char *arg, int from_tty) |
1bfeeb0f | 170 | { |
05cba821 | 171 | struct symtab *symtab; |
3d745be3 | 172 | const char *filename = NULL; |
1bfeeb0f JL |
173 | |
174 | /* If no argument was given, try to default to the last | |
175 | displayed codepoint. */ | |
3d745be3 | 176 | if (arg == NULL) |
1bfeeb0f JL |
177 | { |
178 | symtab = get_last_displayed_symtab (); | |
3d745be3 | 179 | if (symtab == NULL) |
1bfeeb0f | 180 | error (_("No default file now.")); |
05cba821 | 181 | |
85102364 | 182 | /* It is not a typo, symtab_to_filename_for_display would be needlessly |
05cba821 JK |
183 | ambiguous. */ |
184 | filename = symtab_to_fullname (symtab); | |
1bfeeb0f JL |
185 | } |
186 | else | |
cce0e923 | 187 | filename = arg; |
1bfeeb0f | 188 | |
de7985c3 PA |
189 | skiplist_entry::add_entry (false, std::string (filename), |
190 | false, std::string ()); | |
1bfeeb0f JL |
191 | |
192 | printf_filtered (_("File %s will be skipped when stepping.\n"), filename); | |
193 | } | |
194 | ||
cce0e923 DE |
195 | /* Create a skiplist entry for the given function NAME and add it to the |
196 | list. */ | |
197 | ||
1bfeeb0f | 198 | static void |
cce0e923 | 199 | skip_function (const char *name) |
1bfeeb0f | 200 | { |
de7985c3 | 201 | skiplist_entry::add_entry (false, std::string (), false, std::string (name)); |
cce0e923 DE |
202 | |
203 | printf_filtered (_("Function %s will be skipped when stepping.\n"), name); | |
204 | } | |
1bfeeb0f | 205 | |
cce0e923 | 206 | static void |
863779b0 | 207 | skip_function_command (const char *arg, int from_tty) |
cce0e923 | 208 | { |
1bfeeb0f | 209 | /* Default to the current function if no argument is given. */ |
3d745be3 | 210 | if (arg == NULL) |
1bfeeb0f | 211 | { |
717c684d BE |
212 | frame_info *fi = get_selected_frame (_("No default function now.")); |
213 | struct symbol *sym = get_frame_function (fi); | |
cce0e923 | 214 | const char *name = NULL; |
3d745be3 | 215 | |
717c684d BE |
216 | if (sym != NULL) |
217 | name = sym->print_name (); | |
218 | else | |
219 | error (_("No function found containing current program point %s."), | |
220 | paddress (get_current_arch (), get_frame_pc (fi))); | |
85817405 | 221 | skip_function (name); |
cce0e923 | 222 | return; |
1bfeeb0f | 223 | } |
cce0e923 DE |
224 | |
225 | skip_function (arg); | |
226 | } | |
227 | ||
cce0e923 DE |
228 | /* Process "skip ..." that does not match "skip file" or "skip function". */ |
229 | ||
230 | static void | |
981a3fb3 | 231 | skip_command (const char *arg, int from_tty) |
cce0e923 DE |
232 | { |
233 | const char *file = NULL; | |
234 | const char *gfile = NULL; | |
235 | const char *function = NULL; | |
236 | const char *rfunction = NULL; | |
cce0e923 DE |
237 | int i; |
238 | ||
239 | if (arg == NULL) | |
240 | { | |
241 | skip_function_command (arg, from_tty); | |
242 | return; | |
243 | } | |
244 | ||
773a1edc | 245 | gdb_argv argv (arg); |
cce0e923 DE |
246 | |
247 | for (i = 0; argv[i] != NULL; ++i) | |
248 | { | |
249 | const char *p = argv[i]; | |
250 | const char *value = argv[i + 1]; | |
251 | ||
252 | if (strcmp (p, "-fi") == 0 | |
253 | || strcmp (p, "-file") == 0) | |
254 | { | |
255 | if (value == NULL) | |
256 | error (_("Missing value for %s option."), p); | |
257 | file = value; | |
258 | ++i; | |
259 | } | |
260 | else if (strcmp (p, "-gfi") == 0 | |
261 | || strcmp (p, "-gfile") == 0) | |
262 | { | |
263 | if (value == NULL) | |
264 | error (_("Missing value for %s option."), p); | |
265 | gfile = value; | |
266 | ++i; | |
267 | } | |
268 | else if (strcmp (p, "-fu") == 0 | |
269 | || strcmp (p, "-function") == 0) | |
270 | { | |
271 | if (value == NULL) | |
272 | error (_("Missing value for %s option."), p); | |
273 | function = value; | |
274 | ++i; | |
275 | } | |
276 | else if (strcmp (p, "-rfu") == 0 | |
277 | || strcmp (p, "-rfunction") == 0) | |
278 | { | |
279 | if (value == NULL) | |
280 | error (_("Missing value for %s option."), p); | |
281 | rfunction = value; | |
282 | ++i; | |
283 | } | |
284 | else if (*p == '-') | |
285 | error (_("Invalid skip option: %s"), p); | |
286 | else if (i == 0) | |
287 | { | |
288 | /* Assume the user entered "skip FUNCTION-NAME". | |
289 | FUNCTION-NAME may be `foo (int)', and therefore we pass the | |
290 | complete original arg to skip_function command as if the user | |
291 | typed "skip function arg". */ | |
cce0e923 | 292 | skip_function_command (arg, from_tty); |
1bfeeb0f JL |
293 | return; |
294 | } | |
cce0e923 DE |
295 | else |
296 | error (_("Invalid argument: %s"), p); | |
297 | } | |
298 | ||
299 | if (file != NULL && gfile != NULL) | |
300 | error (_("Cannot specify both -file and -gfile.")); | |
301 | ||
302 | if (function != NULL && rfunction != NULL) | |
303 | error (_("Cannot specify both -function and -rfunction.")); | |
304 | ||
305 | /* This shouldn't happen as "skip" by itself gets punted to | |
306 | skip_function_command. */ | |
307 | gdb_assert (file != NULL || gfile != NULL | |
308 | || function != NULL || rfunction != NULL); | |
309 | ||
42fa2e0e TT |
310 | std::string entry_file; |
311 | if (file != NULL) | |
312 | entry_file = file; | |
313 | else if (gfile != NULL) | |
314 | entry_file = gfile; | |
de7985c3 | 315 | |
42fa2e0e TT |
316 | std::string entry_function; |
317 | if (function != NULL) | |
318 | entry_function = function; | |
319 | else if (rfunction != NULL) | |
320 | entry_function = rfunction; | |
1bfeeb0f | 321 | |
de7985c3 PA |
322 | skiplist_entry::add_entry (gfile != NULL, std::move (entry_file), |
323 | rfunction != NULL, std::move (entry_function)); | |
cce0e923 DE |
324 | |
325 | /* I18N concerns drive some of the choices here (we can't piece together | |
326 | the output too much). OTOH we want to keep this simple. Therefore the | |
327 | only polish we add to the output is to append "(s)" to "File" or | |
328 | "Function" if they're a glob/regexp. */ | |
329 | { | |
330 | const char *file_to_print = file != NULL ? file : gfile; | |
331 | const char *function_to_print = function != NULL ? function : rfunction; | |
332 | const char *file_text = gfile != NULL ? _("File(s)") : _("File"); | |
333 | const char *lower_file_text = gfile != NULL ? _("file(s)") : _("file"); | |
334 | const char *function_text | |
335 | = rfunction != NULL ? _("Function(s)") : _("Function"); | |
336 | ||
337 | if (function_to_print == NULL) | |
338 | { | |
339 | printf_filtered (_("%s %s will be skipped when stepping.\n"), | |
340 | file_text, file_to_print); | |
341 | } | |
342 | else if (file_to_print == NULL) | |
343 | { | |
344 | printf_filtered (_("%s %s will be skipped when stepping.\n"), | |
345 | function_text, function_to_print); | |
346 | } | |
347 | else | |
348 | { | |
349 | printf_filtered (_("%s %s in %s %s will be skipped" | |
350 | " when stepping.\n"), | |
351 | function_text, function_to_print, | |
352 | lower_file_text, file_to_print); | |
353 | } | |
354 | } | |
1bfeeb0f JL |
355 | } |
356 | ||
357 | static void | |
1d12d88f | 358 | info_skip_command (const char *arg, int from_tty) |
1bfeeb0f | 359 | { |
1bfeeb0f | 360 | int num_printable_entries = 0; |
1bfeeb0f | 361 | struct value_print_options opts; |
1bfeeb0f JL |
362 | |
363 | get_user_print_options (&opts); | |
364 | ||
365 | /* Count the number of rows in the table and see if we need space for a | |
366 | 64-bit address anywhere. */ | |
de7985c3 PA |
367 | for (const skiplist_entry &e : skiplist_entries) |
368 | if (arg == NULL || number_is_in_list (arg, e.number ())) | |
85817405 | 369 | num_printable_entries++; |
1bfeeb0f JL |
370 | |
371 | if (num_printable_entries == 0) | |
372 | { | |
3d745be3 | 373 | if (arg == NULL) |
112e8700 | 374 | current_uiout->message (_("Not skipping any files or functions.\n")); |
1bfeeb0f | 375 | else |
112e8700 SM |
376 | current_uiout->message ( |
377 | _("No skiplist entries found with number %s.\n"), arg); | |
1bfeeb0f JL |
378 | |
379 | return; | |
380 | } | |
381 | ||
4a2b031d TT |
382 | ui_out_emit_table table_emitter (current_uiout, 6, num_printable_entries, |
383 | "SkiplistTable"); | |
1bfeeb0f | 384 | |
112e8700 SM |
385 | current_uiout->table_header (5, ui_left, "number", "Num"); /* 1 */ |
386 | current_uiout->table_header (3, ui_left, "enabled", "Enb"); /* 2 */ | |
387 | current_uiout->table_header (4, ui_right, "regexp", "Glob"); /* 3 */ | |
388 | current_uiout->table_header (20, ui_left, "file", "File"); /* 4 */ | |
389 | current_uiout->table_header (2, ui_right, "regexp", "RE"); /* 5 */ | |
390 | current_uiout->table_header (40, ui_noalign, "function", "Function"); /* 6 */ | |
391 | current_uiout->table_body (); | |
1bfeeb0f | 392 | |
de7985c3 | 393 | for (const skiplist_entry &e : skiplist_entries) |
1bfeeb0f | 394 | { |
1bfeeb0f | 395 | QUIT; |
de7985c3 | 396 | if (arg != NULL && !number_is_in_list (arg, e.number ())) |
1bfeeb0f JL |
397 | continue; |
398 | ||
2e783024 | 399 | ui_out_emit_tuple tuple_emitter (current_uiout, "blklst-entry"); |
381befee | 400 | current_uiout->field_signed ("number", e.number ()); /* 1 */ |
1bfeeb0f | 401 | |
de7985c3 | 402 | if (e.enabled ()) |
112e8700 | 403 | current_uiout->field_string ("enabled", "y"); /* 2 */ |
1bfeeb0f | 404 | else |
112e8700 | 405 | current_uiout->field_string ("enabled", "n"); /* 2 */ |
1bfeeb0f | 406 | |
de7985c3 | 407 | if (e.file_is_glob ()) |
112e8700 | 408 | current_uiout->field_string ("regexp", "y"); /* 3 */ |
1bfeeb0f | 409 | else |
112e8700 | 410 | current_uiout->field_string ("regexp", "n"); /* 3 */ |
1bfeeb0f | 411 | |
112e8700 | 412 | current_uiout->field_string ("file", |
de7985c3 | 413 | e.file ().empty () ? "<none>" |
cbe56571 | 414 | : e.file ().c_str (), |
7f6aba03 TT |
415 | e.file ().empty () |
416 | ? metadata_style.style () | |
417 | : file_name_style.style ()); /* 4 */ | |
de7985c3 | 418 | if (e.function_is_regexp ()) |
112e8700 | 419 | current_uiout->field_string ("regexp", "y"); /* 5 */ |
cce0e923 | 420 | else |
112e8700 | 421 | current_uiout->field_string ("regexp", "n"); /* 5 */ |
cce0e923 | 422 | |
42fa2e0e | 423 | current_uiout->field_string ("function", |
de7985c3 | 424 | e.function ().empty () ? "<none>" |
cbe56571 | 425 | : e.function ().c_str (), |
7f6aba03 TT |
426 | e.function ().empty () |
427 | ? metadata_style.style () | |
428 | : function_name_style.style ()); /* 6 */ | |
1bfeeb0f | 429 | |
112e8700 | 430 | current_uiout->text ("\n"); |
1bfeeb0f | 431 | } |
1bfeeb0f JL |
432 | } |
433 | ||
434 | static void | |
863779b0 | 435 | skip_enable_command (const char *arg, int from_tty) |
1bfeeb0f | 436 | { |
de7985c3 | 437 | bool found = false; |
1bfeeb0f | 438 | |
de7985c3 PA |
439 | for (skiplist_entry &e : skiplist_entries) |
440 | if (arg == NULL || number_is_in_list (arg, e.number ())) | |
1bfeeb0f | 441 | { |
de7985c3 PA |
442 | e.enable (); |
443 | found = true; | |
1bfeeb0f JL |
444 | } |
445 | ||
446 | if (!found) | |
447 | error (_("No skiplist entries found with number %s."), arg); | |
448 | } | |
449 | ||
450 | static void | |
863779b0 | 451 | skip_disable_command (const char *arg, int from_tty) |
1bfeeb0f | 452 | { |
de7985c3 | 453 | bool found = false; |
1bfeeb0f | 454 | |
de7985c3 PA |
455 | for (skiplist_entry &e : skiplist_entries) |
456 | if (arg == NULL || number_is_in_list (arg, e.number ())) | |
1bfeeb0f | 457 | { |
de7985c3 PA |
458 | e.disable (); |
459 | found = true; | |
1bfeeb0f JL |
460 | } |
461 | ||
462 | if (!found) | |
463 | error (_("No skiplist entries found with number %s."), arg); | |
464 | } | |
465 | ||
466 | static void | |
863779b0 | 467 | skip_delete_command (const char *arg, int from_tty) |
1bfeeb0f | 468 | { |
de7985c3 | 469 | bool found = false; |
1bfeeb0f | 470 | |
de7985c3 PA |
471 | for (auto it = skiplist_entries.begin (), |
472 | end = skiplist_entries.end (); | |
473 | it != end;) | |
474 | { | |
475 | const skiplist_entry &e = *it; | |
1bfeeb0f | 476 | |
de7985c3 PA |
477 | if (arg == NULL || number_is_in_list (arg, e.number ())) |
478 | { | |
479 | it = skiplist_entries.erase (it); | |
480 | found = true; | |
481 | } | |
482 | else | |
483 | ++it; | |
484 | } | |
1bfeeb0f JL |
485 | |
486 | if (!found) | |
487 | error (_("No skiplist entries found with number %s."), arg); | |
488 | } | |
489 | ||
de7985c3 PA |
490 | bool |
491 | skiplist_entry::do_skip_file_p (const symtab_and_line &function_sal) const | |
cce0e923 | 492 | { |
3e68067f SM |
493 | if (debug_skip) |
494 | fprintf_unfiltered (gdb_stdlog, | |
495 | "skip: checking if file %s matches non-glob %s...", | |
496 | function_sal.symtab->filename, m_file.c_str ()); | |
497 | ||
498 | bool result; | |
499 | ||
cce0e923 DE |
500 | /* Check first sole SYMTAB->FILENAME. It may not be a substring of |
501 | symtab_to_fullname as it may contain "./" etc. */ | |
de7985c3 PA |
502 | if (compare_filenames_for_search (function_sal.symtab->filename, |
503 | m_file.c_str ())) | |
3e68067f | 504 | result = true; |
cce0e923 DE |
505 | |
506 | /* Before we invoke realpath, which can get expensive when many | |
507 | files are involved, do a quick comparison of the basenames. */ | |
3e68067f SM |
508 | else if (!basenames_may_differ |
509 | && filename_cmp (lbasename (function_sal.symtab->filename), | |
510 | lbasename (m_file.c_str ())) != 0) | |
511 | result = false; | |
512 | else | |
513 | { | |
514 | /* Note: symtab_to_fullname caches its result, thus we don't have to. */ | |
515 | const char *fullname = symtab_to_fullname (function_sal.symtab); | |
cce0e923 | 516 | |
3e68067f SM |
517 | result = compare_filenames_for_search (fullname, m_file.c_str ()); |
518 | } | |
cce0e923 | 519 | |
3e68067f SM |
520 | if (debug_skip) |
521 | fprintf_unfiltered (gdb_stdlog, result ? "yes.\n" : "no.\n"); | |
cce0e923 | 522 | |
3e68067f | 523 | return result; |
cce0e923 DE |
524 | } |
525 | ||
de7985c3 PA |
526 | bool |
527 | skiplist_entry::do_skip_gfile_p (const symtab_and_line &function_sal) const | |
cce0e923 | 528 | { |
3e68067f SM |
529 | if (debug_skip) |
530 | fprintf_unfiltered (gdb_stdlog, | |
531 | "skip: checking if file %s matches glob %s...", | |
532 | function_sal.symtab->filename, m_file.c_str ()); | |
533 | ||
534 | bool result; | |
535 | ||
cce0e923 DE |
536 | /* Check first sole SYMTAB->FILENAME. It may not be a substring of |
537 | symtab_to_fullname as it may contain "./" etc. */ | |
de7985c3 | 538 | if (gdb_filename_fnmatch (m_file.c_str (), function_sal.symtab->filename, |
cce0e923 | 539 | FNM_FILE_NAME | FNM_NOESCAPE) == 0) |
3e68067f | 540 | result = true; |
cce0e923 DE |
541 | |
542 | /* Before we invoke symtab_to_fullname, which is expensive, do a quick | |
543 | comparison of the basenames. | |
544 | Note that we assume that lbasename works with glob-style patterns. | |
545 | If the basename of the glob pattern is something like "*.c" then this | |
546 | isn't much of a win. Oh well. */ | |
3e68067f | 547 | else if (!basenames_may_differ |
de7985c3 PA |
548 | && gdb_filename_fnmatch (lbasename (m_file.c_str ()), |
549 | lbasename (function_sal.symtab->filename), | |
cce0e923 | 550 | FNM_FILE_NAME | FNM_NOESCAPE) != 0) |
3e68067f SM |
551 | result = false; |
552 | else | |
553 | { | |
554 | /* Note: symtab_to_fullname caches its result, thus we don't have to. */ | |
555 | const char *fullname = symtab_to_fullname (function_sal.symtab); | |
cce0e923 | 556 | |
3e68067f SM |
557 | result = compare_glob_filenames_for_search (fullname, m_file.c_str ()); |
558 | } | |
cce0e923 | 559 | |
3e68067f SM |
560 | if (debug_skip) |
561 | fprintf_unfiltered (gdb_stdlog, result ? "yes.\n" : "no.\n"); | |
cce0e923 | 562 | |
3e68067f | 563 | return result; |
cce0e923 DE |
564 | } |
565 | ||
de7985c3 PA |
566 | bool |
567 | skiplist_entry::skip_file_p (const symtab_and_line &function_sal) const | |
cce0e923 | 568 | { |
de7985c3 PA |
569 | if (m_file.empty ()) |
570 | return false; | |
cce0e923 | 571 | |
de7985c3 PA |
572 | if (function_sal.symtab == NULL) |
573 | return false; | |
574 | ||
575 | if (m_file_is_glob) | |
576 | return do_skip_gfile_p (function_sal); | |
577 | else | |
578 | return do_skip_file_p (function_sal); | |
579 | } | |
cce0e923 | 580 | |
de7985c3 PA |
581 | bool |
582 | skiplist_entry::skip_function_p (const char *function_name) const | |
cce0e923 | 583 | { |
de7985c3 PA |
584 | if (m_function.empty ()) |
585 | return false; | |
586 | ||
3e68067f SM |
587 | bool result; |
588 | ||
de7985c3 PA |
589 | if (m_function_is_regexp) |
590 | { | |
3e68067f SM |
591 | if (debug_skip) |
592 | fprintf_unfiltered (gdb_stdlog, | |
593 | "skip: checking if function %s matches regex %s...", | |
594 | function_name, m_function.c_str ()); | |
595 | ||
de7985c3 | 596 | gdb_assert (m_compiled_function_regexp); |
3e68067f SM |
597 | result |
598 | = (m_compiled_function_regexp->exec (function_name, 0, NULL, 0) == 0); | |
de7985c3 PA |
599 | } |
600 | else | |
3e68067f SM |
601 | { |
602 | if (debug_skip) | |
603 | fprintf_unfiltered (gdb_stdlog, | |
604 | ("skip: checking if function %s matches non-regex " | |
605 | "%s..."), | |
606 | function_name, m_function.c_str ()); | |
607 | result = (strcmp_iw (function_name, m_function.c_str ()) == 0); | |
608 | } | |
609 | ||
610 | if (debug_skip) | |
611 | fprintf_unfiltered (gdb_stdlog, result ? "yes.\n" : "no.\n"); | |
612 | ||
613 | return result; | |
cce0e923 | 614 | } |
85817405 JK |
615 | |
616 | /* See skip.h. */ | |
1bfeeb0f | 617 | |
de7985c3 | 618 | bool |
85817405 | 619 | function_name_is_marked_for_skip (const char *function_name, |
de7985c3 | 620 | const symtab_and_line &function_sal) |
1bfeeb0f | 621 | { |
85817405 | 622 | if (function_name == NULL) |
de7985c3 | 623 | return false; |
85817405 | 624 | |
de7985c3 | 625 | for (const skiplist_entry &e : skiplist_entries) |
1bfeeb0f | 626 | { |
de7985c3 | 627 | if (!e.enabled ()) |
1bfeeb0f JL |
628 | continue; |
629 | ||
de7985c3 PA |
630 | bool skip_by_file = e.skip_file_p (function_sal); |
631 | bool skip_by_function = e.skip_function_p (function_name); | |
cce0e923 DE |
632 | |
633 | /* If both file and function must match, make sure we don't errantly | |
634 | exit if only one of them match. */ | |
de7985c3 | 635 | if (!e.file ().empty () && !e.function ().empty ()) |
cce0e923 DE |
636 | { |
637 | if (skip_by_file && skip_by_function) | |
de7985c3 | 638 | return true; |
05cba821 | 639 | } |
cce0e923 DE |
640 | /* Only one of file/function is specified. */ |
641 | else if (skip_by_file || skip_by_function) | |
de7985c3 | 642 | return true; |
1bfeeb0f JL |
643 | } |
644 | ||
de7985c3 | 645 | return false; |
1bfeeb0f JL |
646 | } |
647 | ||
53a89d6e SM |
648 | /* Completer for skip numbers. */ |
649 | ||
650 | static void | |
651 | complete_skip_number (cmd_list_element *cmd, | |
652 | completion_tracker &completer, | |
653 | const char *text, const char *word) | |
654 | { | |
655 | size_t word_len = strlen (word); | |
656 | ||
657 | for (const skiplist_entry &entry : skiplist_entries) | |
658 | { | |
659 | gdb::unique_xmalloc_ptr<char> name (xstrprintf ("%d", entry.number ())); | |
660 | if (strncmp (word, name.get (), word_len) == 0) | |
661 | completer.add_completion (std::move (name)); | |
662 | } | |
663 | } | |
664 | ||
6c265988 | 665 | void _initialize_step_skip (); |
1bfeeb0f | 666 | void |
6c265988 | 667 | _initialize_step_skip () |
1bfeeb0f | 668 | { |
8bfd80db | 669 | static struct cmd_list_element *skiplist = NULL; |
1bfeeb0f JL |
670 | struct cmd_list_element *c; |
671 | ||
cce0e923 | 672 | add_prefix_cmd ("skip", class_breakpoint, skip_command, _("\ |
1bfeeb0f | 673 | Ignore a function while stepping.\n\ |
cce0e923 DE |
674 | \n\ |
675 | Usage: skip [FUNCTION-NAME]\n\ | |
784e4b3e | 676 | skip [FILE-SPEC] [FUNCTION-SPEC]\n\ |
cce0e923 DE |
677 | If no arguments are given, ignore the current function.\n\ |
678 | \n\ | |
784e4b3e | 679 | FILE-SPEC is one of:\n\ |
cce0e923 DE |
680 | -fi|-file FILE-NAME\n\ |
681 | -gfi|-gfile GLOB-FILE-PATTERN\n\ | |
784e4b3e | 682 | FUNCTION-SPEC is one of:\n\ |
cce0e923 DE |
683 | -fu|-function FUNCTION-NAME\n\ |
684 | -rfu|-rfunction FUNCTION-NAME-REGULAR-EXPRESSION"), | |
1bfeeb0f JL |
685 | &skiplist, "skip ", 1, &cmdlist); |
686 | ||
687 | c = add_cmd ("file", class_breakpoint, skip_file_command, _("\ | |
688 | Ignore a file while stepping.\n\ | |
cce0e923 | 689 | Usage: skip file [FILE-NAME]\n\ |
1bfeeb0f JL |
690 | If no filename is given, ignore the current file."), |
691 | &skiplist); | |
692 | set_cmd_completer (c, filename_completer); | |
693 | ||
694 | c = add_cmd ("function", class_breakpoint, skip_function_command, _("\ | |
695 | Ignore a function while stepping.\n\ | |
cce0e923 | 696 | Usage: skip function [FUNCTION-NAME]\n\ |
1bfeeb0f JL |
697 | If no function name is given, skip the current function."), |
698 | &skiplist); | |
699 | set_cmd_completer (c, location_completer); | |
700 | ||
53a89d6e | 701 | c = add_cmd ("enable", class_breakpoint, skip_enable_command, _("\ |
590042fc PW |
702 | Enable skip entries.\n\ |
703 | Usage: skip enable [NUMBER | RANGE]...\n\ | |
704 | You can specify numbers (e.g. \"skip enable 1 3\"),\n\ | |
1bfeeb0f | 705 | ranges (e.g. \"skip enable 4-8\"), or both (e.g. \"skip enable 1 3 4-8\").\n\n\ |
590042fc | 706 | If you don't specify any numbers or ranges, we'll enable all skip entries."), |
53a89d6e SM |
707 | &skiplist); |
708 | set_cmd_completer (c, complete_skip_number); | |
1bfeeb0f | 709 | |
53a89d6e | 710 | c = add_cmd ("disable", class_breakpoint, skip_disable_command, _("\ |
590042fc PW |
711 | Disable skip entries.\n\ |
712 | Usage: skip disable [NUMBER | RANGE]...\n\ | |
713 | You can specify numbers (e.g. \"skip disable 1 3\"),\n\ | |
1bfeeb0f | 714 | ranges (e.g. \"skip disable 4-8\"), or both (e.g. \"skip disable 1 3 4-8\").\n\n\ |
590042fc | 715 | If you don't specify any numbers or ranges, we'll disable all skip entries."), |
53a89d6e SM |
716 | &skiplist); |
717 | set_cmd_completer (c, complete_skip_number); | |
1bfeeb0f | 718 | |
53a89d6e | 719 | c = add_cmd ("delete", class_breakpoint, skip_delete_command, _("\ |
590042fc PW |
720 | Delete skip entries.\n\ |
721 | Usage: skip delete [NUMBER | RANGES]...\n\ | |
722 | You can specify numbers (e.g. \"skip delete 1 3\"),\n\ | |
1bfeeb0f | 723 | ranges (e.g. \"skip delete 4-8\"), or both (e.g. \"skip delete 1 3 4-8\").\n\n\ |
590042fc | 724 | If you don't specify any numbers or ranges, we'll delete all skip entries."), |
53a89d6e SM |
725 | &skiplist); |
726 | set_cmd_completer (c, complete_skip_number); | |
1bfeeb0f | 727 | |
261f6f79 | 728 | add_info ("skip", info_skip_command, _("\ |
590042fc PW |
729 | Display the status of skips.\n\ |
730 | Usage: info skip [NUMBER | RANGES]...\n\ | |
731 | You can specify numbers (e.g. \"info skip 1 3\"), \n\ | |
261f6f79 | 732 | ranges (e.g. \"info skip 4-8\"), or both (e.g. \"info skip 1 3 4-8\").\n\n\ |
590042fc | 733 | If you don't specify any numbers or ranges, we'll show all skips.")); |
53a89d6e | 734 | set_cmd_completer (c, complete_skip_number); |
3e68067f SM |
735 | |
736 | add_setshow_boolean_cmd ("skip", class_maintenance, | |
737 | &debug_skip, _("\ | |
738 | Set whether to print the debug output about skipping files and functions."), | |
739 | _("\ | |
590042fc | 740 | Show whether the debug output about skipping files and functions is printed."), |
3e68067f SM |
741 | _("\ |
742 | When non-zero, debug output about skipping files and functions is displayed."), | |
743 | NULL, NULL, | |
744 | &setdebuglist, &showdebuglist); | |
1bfeeb0f | 745 | } |