Commit | Line | Data |
---|---|---|
1bfeeb0f JL |
1 | /* Skipping uninteresting files and functions while stepping. |
2 | ||
42a4f53d | 3 | Copyright (C) 2011-2019 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 JK |
181 | |
182 | /* It is not a typo, symtab_to_filename_for_display woule be needlessly | |
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 | { |
cce0e923 | 212 | const char *name = NULL; |
1bfeeb0f | 213 | CORE_ADDR pc; |
3d745be3 | 214 | |
1bfeeb0f JL |
215 | if (!last_displayed_sal_is_valid ()) |
216 | error (_("No default function now.")); | |
217 | ||
218 | pc = get_last_displayed_addr (); | |
85817405 | 219 | if (!find_pc_partial_function (pc, &name, NULL, NULL)) |
1bfeeb0f JL |
220 | { |
221 | error (_("No function found containing current program point %s."), | |
222 | paddress (get_current_arch (), pc)); | |
223 | } | |
85817405 | 224 | skip_function (name); |
cce0e923 | 225 | return; |
1bfeeb0f | 226 | } |
cce0e923 DE |
227 | |
228 | skip_function (arg); | |
229 | } | |
230 | ||
cce0e923 DE |
231 | /* Process "skip ..." that does not match "skip file" or "skip function". */ |
232 | ||
233 | static void | |
981a3fb3 | 234 | skip_command (const char *arg, int from_tty) |
cce0e923 DE |
235 | { |
236 | const char *file = NULL; | |
237 | const char *gfile = NULL; | |
238 | const char *function = NULL; | |
239 | const char *rfunction = NULL; | |
cce0e923 DE |
240 | int i; |
241 | ||
242 | if (arg == NULL) | |
243 | { | |
244 | skip_function_command (arg, from_tty); | |
245 | return; | |
246 | } | |
247 | ||
773a1edc | 248 | gdb_argv argv (arg); |
cce0e923 DE |
249 | |
250 | for (i = 0; argv[i] != NULL; ++i) | |
251 | { | |
252 | const char *p = argv[i]; | |
253 | const char *value = argv[i + 1]; | |
254 | ||
255 | if (strcmp (p, "-fi") == 0 | |
256 | || strcmp (p, "-file") == 0) | |
257 | { | |
258 | if (value == NULL) | |
259 | error (_("Missing value for %s option."), p); | |
260 | file = value; | |
261 | ++i; | |
262 | } | |
263 | else if (strcmp (p, "-gfi") == 0 | |
264 | || strcmp (p, "-gfile") == 0) | |
265 | { | |
266 | if (value == NULL) | |
267 | error (_("Missing value for %s option."), p); | |
268 | gfile = value; | |
269 | ++i; | |
270 | } | |
271 | else if (strcmp (p, "-fu") == 0 | |
272 | || strcmp (p, "-function") == 0) | |
273 | { | |
274 | if (value == NULL) | |
275 | error (_("Missing value for %s option."), p); | |
276 | function = value; | |
277 | ++i; | |
278 | } | |
279 | else if (strcmp (p, "-rfu") == 0 | |
280 | || strcmp (p, "-rfunction") == 0) | |
281 | { | |
282 | if (value == NULL) | |
283 | error (_("Missing value for %s option."), p); | |
284 | rfunction = value; | |
285 | ++i; | |
286 | } | |
287 | else if (*p == '-') | |
288 | error (_("Invalid skip option: %s"), p); | |
289 | else if (i == 0) | |
290 | { | |
291 | /* Assume the user entered "skip FUNCTION-NAME". | |
292 | FUNCTION-NAME may be `foo (int)', and therefore we pass the | |
293 | complete original arg to skip_function command as if the user | |
294 | typed "skip function arg". */ | |
cce0e923 | 295 | skip_function_command (arg, from_tty); |
1bfeeb0f JL |
296 | return; |
297 | } | |
cce0e923 DE |
298 | else |
299 | error (_("Invalid argument: %s"), p); | |
300 | } | |
301 | ||
302 | if (file != NULL && gfile != NULL) | |
303 | error (_("Cannot specify both -file and -gfile.")); | |
304 | ||
305 | if (function != NULL && rfunction != NULL) | |
306 | error (_("Cannot specify both -function and -rfunction.")); | |
307 | ||
308 | /* This shouldn't happen as "skip" by itself gets punted to | |
309 | skip_function_command. */ | |
310 | gdb_assert (file != NULL || gfile != NULL | |
311 | || function != NULL || rfunction != NULL); | |
312 | ||
42fa2e0e TT |
313 | std::string entry_file; |
314 | if (file != NULL) | |
315 | entry_file = file; | |
316 | else if (gfile != NULL) | |
317 | entry_file = gfile; | |
de7985c3 | 318 | |
42fa2e0e TT |
319 | std::string entry_function; |
320 | if (function != NULL) | |
321 | entry_function = function; | |
322 | else if (rfunction != NULL) | |
323 | entry_function = rfunction; | |
1bfeeb0f | 324 | |
de7985c3 PA |
325 | skiplist_entry::add_entry (gfile != NULL, std::move (entry_file), |
326 | rfunction != NULL, std::move (entry_function)); | |
cce0e923 DE |
327 | |
328 | /* I18N concerns drive some of the choices here (we can't piece together | |
329 | the output too much). OTOH we want to keep this simple. Therefore the | |
330 | only polish we add to the output is to append "(s)" to "File" or | |
331 | "Function" if they're a glob/regexp. */ | |
332 | { | |
333 | const char *file_to_print = file != NULL ? file : gfile; | |
334 | const char *function_to_print = function != NULL ? function : rfunction; | |
335 | const char *file_text = gfile != NULL ? _("File(s)") : _("File"); | |
336 | const char *lower_file_text = gfile != NULL ? _("file(s)") : _("file"); | |
337 | const char *function_text | |
338 | = rfunction != NULL ? _("Function(s)") : _("Function"); | |
339 | ||
340 | if (function_to_print == NULL) | |
341 | { | |
342 | printf_filtered (_("%s %s will be skipped when stepping.\n"), | |
343 | file_text, file_to_print); | |
344 | } | |
345 | else if (file_to_print == NULL) | |
346 | { | |
347 | printf_filtered (_("%s %s will be skipped when stepping.\n"), | |
348 | function_text, function_to_print); | |
349 | } | |
350 | else | |
351 | { | |
352 | printf_filtered (_("%s %s in %s %s will be skipped" | |
353 | " when stepping.\n"), | |
354 | function_text, function_to_print, | |
355 | lower_file_text, file_to_print); | |
356 | } | |
357 | } | |
1bfeeb0f JL |
358 | } |
359 | ||
360 | static void | |
1d12d88f | 361 | info_skip_command (const char *arg, int from_tty) |
1bfeeb0f | 362 | { |
1bfeeb0f | 363 | int num_printable_entries = 0; |
1bfeeb0f | 364 | struct value_print_options opts; |
1bfeeb0f JL |
365 | |
366 | get_user_print_options (&opts); | |
367 | ||
368 | /* Count the number of rows in the table and see if we need space for a | |
369 | 64-bit address anywhere. */ | |
de7985c3 PA |
370 | for (const skiplist_entry &e : skiplist_entries) |
371 | if (arg == NULL || number_is_in_list (arg, e.number ())) | |
85817405 | 372 | num_printable_entries++; |
1bfeeb0f JL |
373 | |
374 | if (num_printable_entries == 0) | |
375 | { | |
3d745be3 | 376 | if (arg == NULL) |
112e8700 | 377 | current_uiout->message (_("Not skipping any files or functions.\n")); |
1bfeeb0f | 378 | else |
112e8700 SM |
379 | current_uiout->message ( |
380 | _("No skiplist entries found with number %s.\n"), arg); | |
1bfeeb0f JL |
381 | |
382 | return; | |
383 | } | |
384 | ||
4a2b031d TT |
385 | ui_out_emit_table table_emitter (current_uiout, 6, num_printable_entries, |
386 | "SkiplistTable"); | |
1bfeeb0f | 387 | |
112e8700 SM |
388 | current_uiout->table_header (5, ui_left, "number", "Num"); /* 1 */ |
389 | current_uiout->table_header (3, ui_left, "enabled", "Enb"); /* 2 */ | |
390 | current_uiout->table_header (4, ui_right, "regexp", "Glob"); /* 3 */ | |
391 | current_uiout->table_header (20, ui_left, "file", "File"); /* 4 */ | |
392 | current_uiout->table_header (2, ui_right, "regexp", "RE"); /* 5 */ | |
393 | current_uiout->table_header (40, ui_noalign, "function", "Function"); /* 6 */ | |
394 | current_uiout->table_body (); | |
1bfeeb0f | 395 | |
de7985c3 | 396 | for (const skiplist_entry &e : skiplist_entries) |
1bfeeb0f | 397 | { |
1bfeeb0f | 398 | QUIT; |
de7985c3 | 399 | if (arg != NULL && !number_is_in_list (arg, e.number ())) |
1bfeeb0f JL |
400 | continue; |
401 | ||
2e783024 | 402 | ui_out_emit_tuple tuple_emitter (current_uiout, "blklst-entry"); |
381befee | 403 | current_uiout->field_signed ("number", e.number ()); /* 1 */ |
1bfeeb0f | 404 | |
de7985c3 | 405 | if (e.enabled ()) |
112e8700 | 406 | current_uiout->field_string ("enabled", "y"); /* 2 */ |
1bfeeb0f | 407 | else |
112e8700 | 408 | current_uiout->field_string ("enabled", "n"); /* 2 */ |
1bfeeb0f | 409 | |
de7985c3 | 410 | if (e.file_is_glob ()) |
112e8700 | 411 | current_uiout->field_string ("regexp", "y"); /* 3 */ |
1bfeeb0f | 412 | else |
112e8700 | 413 | current_uiout->field_string ("regexp", "n"); /* 3 */ |
1bfeeb0f | 414 | |
112e8700 | 415 | current_uiout->field_string ("file", |
de7985c3 | 416 | e.file ().empty () ? "<none>" |
cbe56571 | 417 | : e.file ().c_str (), |
e43b10e1 | 418 | file_name_style.style ()); /* 4 */ |
de7985c3 | 419 | if (e.function_is_regexp ()) |
112e8700 | 420 | current_uiout->field_string ("regexp", "y"); /* 5 */ |
cce0e923 | 421 | else |
112e8700 | 422 | current_uiout->field_string ("regexp", "n"); /* 5 */ |
cce0e923 | 423 | |
42fa2e0e | 424 | current_uiout->field_string ("function", |
de7985c3 | 425 | e.function ().empty () ? "<none>" |
cbe56571 | 426 | : e.function ().c_str (), |
e43b10e1 | 427 | function_name_style.style ()); /* 6 */ |
1bfeeb0f | 428 | |
112e8700 | 429 | current_uiout->text ("\n"); |
1bfeeb0f | 430 | } |
1bfeeb0f JL |
431 | } |
432 | ||
433 | static void | |
863779b0 | 434 | skip_enable_command (const char *arg, int from_tty) |
1bfeeb0f | 435 | { |
de7985c3 | 436 | bool found = false; |
1bfeeb0f | 437 | |
de7985c3 PA |
438 | for (skiplist_entry &e : skiplist_entries) |
439 | if (arg == NULL || number_is_in_list (arg, e.number ())) | |
1bfeeb0f | 440 | { |
de7985c3 PA |
441 | e.enable (); |
442 | found = true; | |
1bfeeb0f JL |
443 | } |
444 | ||
445 | if (!found) | |
446 | error (_("No skiplist entries found with number %s."), arg); | |
447 | } | |
448 | ||
449 | static void | |
863779b0 | 450 | skip_disable_command (const char *arg, int from_tty) |
1bfeeb0f | 451 | { |
de7985c3 | 452 | bool found = false; |
1bfeeb0f | 453 | |
de7985c3 PA |
454 | for (skiplist_entry &e : skiplist_entries) |
455 | if (arg == NULL || number_is_in_list (arg, e.number ())) | |
1bfeeb0f | 456 | { |
de7985c3 PA |
457 | e.disable (); |
458 | found = true; | |
1bfeeb0f JL |
459 | } |
460 | ||
461 | if (!found) | |
462 | error (_("No skiplist entries found with number %s."), arg); | |
463 | } | |
464 | ||
465 | static void | |
863779b0 | 466 | skip_delete_command (const char *arg, int from_tty) |
1bfeeb0f | 467 | { |
de7985c3 | 468 | bool found = false; |
1bfeeb0f | 469 | |
de7985c3 PA |
470 | for (auto it = skiplist_entries.begin (), |
471 | end = skiplist_entries.end (); | |
472 | it != end;) | |
473 | { | |
474 | const skiplist_entry &e = *it; | |
1bfeeb0f | 475 | |
de7985c3 PA |
476 | if (arg == NULL || number_is_in_list (arg, e.number ())) |
477 | { | |
478 | it = skiplist_entries.erase (it); | |
479 | found = true; | |
480 | } | |
481 | else | |
482 | ++it; | |
483 | } | |
1bfeeb0f JL |
484 | |
485 | if (!found) | |
486 | error (_("No skiplist entries found with number %s."), arg); | |
487 | } | |
488 | ||
de7985c3 PA |
489 | bool |
490 | skiplist_entry::do_skip_file_p (const symtab_and_line &function_sal) const | |
cce0e923 | 491 | { |
3e68067f SM |
492 | if (debug_skip) |
493 | fprintf_unfiltered (gdb_stdlog, | |
494 | "skip: checking if file %s matches non-glob %s...", | |
495 | function_sal.symtab->filename, m_file.c_str ()); | |
496 | ||
497 | bool result; | |
498 | ||
cce0e923 DE |
499 | /* Check first sole SYMTAB->FILENAME. It may not be a substring of |
500 | symtab_to_fullname as it may contain "./" etc. */ | |
de7985c3 PA |
501 | if (compare_filenames_for_search (function_sal.symtab->filename, |
502 | m_file.c_str ())) | |
3e68067f | 503 | result = true; |
cce0e923 DE |
504 | |
505 | /* Before we invoke realpath, which can get expensive when many | |
506 | files are involved, do a quick comparison of the basenames. */ | |
3e68067f SM |
507 | else if (!basenames_may_differ |
508 | && filename_cmp (lbasename (function_sal.symtab->filename), | |
509 | lbasename (m_file.c_str ())) != 0) | |
510 | result = false; | |
511 | else | |
512 | { | |
513 | /* Note: symtab_to_fullname caches its result, thus we don't have to. */ | |
514 | const char *fullname = symtab_to_fullname (function_sal.symtab); | |
cce0e923 | 515 | |
3e68067f SM |
516 | result = compare_filenames_for_search (fullname, m_file.c_str ()); |
517 | } | |
cce0e923 | 518 | |
3e68067f SM |
519 | if (debug_skip) |
520 | fprintf_unfiltered (gdb_stdlog, result ? "yes.\n" : "no.\n"); | |
cce0e923 | 521 | |
3e68067f | 522 | return result; |
cce0e923 DE |
523 | } |
524 | ||
de7985c3 PA |
525 | bool |
526 | skiplist_entry::do_skip_gfile_p (const symtab_and_line &function_sal) const | |
cce0e923 | 527 | { |
3e68067f SM |
528 | if (debug_skip) |
529 | fprintf_unfiltered (gdb_stdlog, | |
530 | "skip: checking if file %s matches glob %s...", | |
531 | function_sal.symtab->filename, m_file.c_str ()); | |
532 | ||
533 | bool result; | |
534 | ||
cce0e923 DE |
535 | /* Check first sole SYMTAB->FILENAME. It may not be a substring of |
536 | symtab_to_fullname as it may contain "./" etc. */ | |
de7985c3 | 537 | if (gdb_filename_fnmatch (m_file.c_str (), function_sal.symtab->filename, |
cce0e923 | 538 | FNM_FILE_NAME | FNM_NOESCAPE) == 0) |
3e68067f | 539 | result = true; |
cce0e923 DE |
540 | |
541 | /* Before we invoke symtab_to_fullname, which is expensive, do a quick | |
542 | comparison of the basenames. | |
543 | Note that we assume that lbasename works with glob-style patterns. | |
544 | If the basename of the glob pattern is something like "*.c" then this | |
545 | isn't much of a win. Oh well. */ | |
3e68067f | 546 | else if (!basenames_may_differ |
de7985c3 PA |
547 | && gdb_filename_fnmatch (lbasename (m_file.c_str ()), |
548 | lbasename (function_sal.symtab->filename), | |
cce0e923 | 549 | FNM_FILE_NAME | FNM_NOESCAPE) != 0) |
3e68067f SM |
550 | result = false; |
551 | else | |
552 | { | |
553 | /* Note: symtab_to_fullname caches its result, thus we don't have to. */ | |
554 | const char *fullname = symtab_to_fullname (function_sal.symtab); | |
cce0e923 | 555 | |
3e68067f SM |
556 | result = compare_glob_filenames_for_search (fullname, m_file.c_str ()); |
557 | } | |
cce0e923 | 558 | |
3e68067f SM |
559 | if (debug_skip) |
560 | fprintf_unfiltered (gdb_stdlog, result ? "yes.\n" : "no.\n"); | |
cce0e923 | 561 | |
3e68067f | 562 | return result; |
cce0e923 DE |
563 | } |
564 | ||
de7985c3 PA |
565 | bool |
566 | skiplist_entry::skip_file_p (const symtab_and_line &function_sal) const | |
cce0e923 | 567 | { |
de7985c3 PA |
568 | if (m_file.empty ()) |
569 | return false; | |
cce0e923 | 570 | |
de7985c3 PA |
571 | if (function_sal.symtab == NULL) |
572 | return false; | |
573 | ||
574 | if (m_file_is_glob) | |
575 | return do_skip_gfile_p (function_sal); | |
576 | else | |
577 | return do_skip_file_p (function_sal); | |
578 | } | |
cce0e923 | 579 | |
de7985c3 PA |
580 | bool |
581 | skiplist_entry::skip_function_p (const char *function_name) const | |
cce0e923 | 582 | { |
de7985c3 PA |
583 | if (m_function.empty ()) |
584 | return false; | |
585 | ||
3e68067f SM |
586 | bool result; |
587 | ||
de7985c3 PA |
588 | if (m_function_is_regexp) |
589 | { | |
3e68067f SM |
590 | if (debug_skip) |
591 | fprintf_unfiltered (gdb_stdlog, | |
592 | "skip: checking if function %s matches regex %s...", | |
593 | function_name, m_function.c_str ()); | |
594 | ||
de7985c3 | 595 | gdb_assert (m_compiled_function_regexp); |
3e68067f SM |
596 | result |
597 | = (m_compiled_function_regexp->exec (function_name, 0, NULL, 0) == 0); | |
de7985c3 PA |
598 | } |
599 | else | |
3e68067f SM |
600 | { |
601 | if (debug_skip) | |
602 | fprintf_unfiltered (gdb_stdlog, | |
603 | ("skip: checking if function %s matches non-regex " | |
604 | "%s..."), | |
605 | function_name, m_function.c_str ()); | |
606 | result = (strcmp_iw (function_name, m_function.c_str ()) == 0); | |
607 | } | |
608 | ||
609 | if (debug_skip) | |
610 | fprintf_unfiltered (gdb_stdlog, result ? "yes.\n" : "no.\n"); | |
611 | ||
612 | return result; | |
cce0e923 | 613 | } |
85817405 JK |
614 | |
615 | /* See skip.h. */ | |
1bfeeb0f | 616 | |
de7985c3 | 617 | bool |
85817405 | 618 | function_name_is_marked_for_skip (const char *function_name, |
de7985c3 | 619 | const symtab_and_line &function_sal) |
1bfeeb0f | 620 | { |
85817405 | 621 | if (function_name == NULL) |
de7985c3 | 622 | return false; |
85817405 | 623 | |
de7985c3 | 624 | for (const skiplist_entry &e : skiplist_entries) |
1bfeeb0f | 625 | { |
de7985c3 | 626 | if (!e.enabled ()) |
1bfeeb0f JL |
627 | continue; |
628 | ||
de7985c3 PA |
629 | bool skip_by_file = e.skip_file_p (function_sal); |
630 | bool skip_by_function = e.skip_function_p (function_name); | |
cce0e923 DE |
631 | |
632 | /* If both file and function must match, make sure we don't errantly | |
633 | exit if only one of them match. */ | |
de7985c3 | 634 | if (!e.file ().empty () && !e.function ().empty ()) |
cce0e923 DE |
635 | { |
636 | if (skip_by_file && skip_by_function) | |
de7985c3 | 637 | return true; |
05cba821 | 638 | } |
cce0e923 DE |
639 | /* Only one of file/function is specified. */ |
640 | else if (skip_by_file || skip_by_function) | |
de7985c3 | 641 | return true; |
1bfeeb0f JL |
642 | } |
643 | ||
de7985c3 | 644 | return false; |
1bfeeb0f JL |
645 | } |
646 | ||
53a89d6e SM |
647 | /* Completer for skip numbers. */ |
648 | ||
649 | static void | |
650 | complete_skip_number (cmd_list_element *cmd, | |
651 | completion_tracker &completer, | |
652 | const char *text, const char *word) | |
653 | { | |
654 | size_t word_len = strlen (word); | |
655 | ||
656 | for (const skiplist_entry &entry : skiplist_entries) | |
657 | { | |
658 | gdb::unique_xmalloc_ptr<char> name (xstrprintf ("%d", entry.number ())); | |
659 | if (strncmp (word, name.get (), word_len) == 0) | |
660 | completer.add_completion (std::move (name)); | |
661 | } | |
662 | } | |
663 | ||
1bfeeb0f JL |
664 | void |
665 | _initialize_step_skip (void) | |
666 | { | |
8bfd80db | 667 | static struct cmd_list_element *skiplist = NULL; |
1bfeeb0f JL |
668 | struct cmd_list_element *c; |
669 | ||
cce0e923 | 670 | add_prefix_cmd ("skip", class_breakpoint, skip_command, _("\ |
1bfeeb0f | 671 | Ignore a function while stepping.\n\ |
cce0e923 DE |
672 | \n\ |
673 | Usage: skip [FUNCTION-NAME]\n\ | |
784e4b3e | 674 | skip [FILE-SPEC] [FUNCTION-SPEC]\n\ |
cce0e923 DE |
675 | If no arguments are given, ignore the current function.\n\ |
676 | \n\ | |
784e4b3e | 677 | FILE-SPEC is one of:\n\ |
cce0e923 DE |
678 | -fi|-file FILE-NAME\n\ |
679 | -gfi|-gfile GLOB-FILE-PATTERN\n\ | |
784e4b3e | 680 | FUNCTION-SPEC is one of:\n\ |
cce0e923 DE |
681 | -fu|-function FUNCTION-NAME\n\ |
682 | -rfu|-rfunction FUNCTION-NAME-REGULAR-EXPRESSION"), | |
1bfeeb0f JL |
683 | &skiplist, "skip ", 1, &cmdlist); |
684 | ||
685 | c = add_cmd ("file", class_breakpoint, skip_file_command, _("\ | |
686 | Ignore a file while stepping.\n\ | |
cce0e923 | 687 | Usage: skip file [FILE-NAME]\n\ |
1bfeeb0f JL |
688 | If no filename is given, ignore the current file."), |
689 | &skiplist); | |
690 | set_cmd_completer (c, filename_completer); | |
691 | ||
692 | c = add_cmd ("function", class_breakpoint, skip_function_command, _("\ | |
693 | Ignore a function while stepping.\n\ | |
cce0e923 | 694 | Usage: skip function [FUNCTION-NAME]\n\ |
1bfeeb0f JL |
695 | If no function name is given, skip the current function."), |
696 | &skiplist); | |
697 | set_cmd_completer (c, location_completer); | |
698 | ||
53a89d6e | 699 | c = add_cmd ("enable", class_breakpoint, skip_enable_command, _("\ |
590042fc PW |
700 | Enable skip entries.\n\ |
701 | Usage: skip enable [NUMBER | RANGE]...\n\ | |
702 | You can specify numbers (e.g. \"skip enable 1 3\"),\n\ | |
1bfeeb0f | 703 | ranges (e.g. \"skip enable 4-8\"), or both (e.g. \"skip enable 1 3 4-8\").\n\n\ |
590042fc | 704 | If you don't specify any numbers or ranges, we'll enable all skip entries."), |
53a89d6e SM |
705 | &skiplist); |
706 | set_cmd_completer (c, complete_skip_number); | |
1bfeeb0f | 707 | |
53a89d6e | 708 | c = add_cmd ("disable", class_breakpoint, skip_disable_command, _("\ |
590042fc PW |
709 | Disable skip entries.\n\ |
710 | Usage: skip disable [NUMBER | RANGE]...\n\ | |
711 | You can specify numbers (e.g. \"skip disable 1 3\"),\n\ | |
1bfeeb0f | 712 | ranges (e.g. \"skip disable 4-8\"), or both (e.g. \"skip disable 1 3 4-8\").\n\n\ |
590042fc | 713 | If you don't specify any numbers or ranges, we'll disable all skip entries."), |
53a89d6e SM |
714 | &skiplist); |
715 | set_cmd_completer (c, complete_skip_number); | |
1bfeeb0f | 716 | |
53a89d6e | 717 | c = add_cmd ("delete", class_breakpoint, skip_delete_command, _("\ |
590042fc PW |
718 | Delete skip entries.\n\ |
719 | Usage: skip delete [NUMBER | RANGES]...\n\ | |
720 | You can specify numbers (e.g. \"skip delete 1 3\"),\n\ | |
1bfeeb0f | 721 | ranges (e.g. \"skip delete 4-8\"), or both (e.g. \"skip delete 1 3 4-8\").\n\n\ |
590042fc | 722 | If you don't specify any numbers or ranges, we'll delete all skip entries."), |
53a89d6e SM |
723 | &skiplist); |
724 | set_cmd_completer (c, complete_skip_number); | |
1bfeeb0f | 725 | |
261f6f79 | 726 | add_info ("skip", info_skip_command, _("\ |
590042fc PW |
727 | Display the status of skips.\n\ |
728 | Usage: info skip [NUMBER | RANGES]...\n\ | |
729 | You can specify numbers (e.g. \"info skip 1 3\"), \n\ | |
261f6f79 | 730 | ranges (e.g. \"info skip 4-8\"), or both (e.g. \"info skip 1 3 4-8\").\n\n\ |
590042fc | 731 | If you don't specify any numbers or ranges, we'll show all skips.")); |
53a89d6e | 732 | set_cmd_completer (c, complete_skip_number); |
3e68067f SM |
733 | |
734 | add_setshow_boolean_cmd ("skip", class_maintenance, | |
735 | &debug_skip, _("\ | |
736 | Set whether to print the debug output about skipping files and functions."), | |
737 | _("\ | |
590042fc | 738 | Show whether the debug output about skipping files and functions is printed."), |
3e68067f SM |
739 | _("\ |
740 | When non-zero, debug output about skipping files and functions is displayed."), | |
741 | NULL, NULL, | |
742 | &setdebuglist, &showdebuglist); | |
1bfeeb0f | 743 | } |