Commit | Line | Data |
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d318976c | 1 | /* GDB CLI commands. |
8926118c | 2 | |
b811d2c2 | 3 | Copyright (C) 2000-2020 Free Software Foundation, Inc. |
d318976c FN |
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 | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
d318976c FN |
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 | |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
d318976c FN |
19 | |
20 | #include "defs.h" | |
13274fc3 | 21 | #include "arch-utils.h" |
dbda9972 | 22 | #include "readline/tilde.h" |
d318976c | 23 | #include "completer.h" |
ebcd3b23 | 24 | #include "target.h" /* For baud_rate, remote_debug and remote_timeout. */ |
268a13a5 | 25 | #include "gdbsupport/gdb_wait.h" /* For shell escape implementation. */ |
947d3946 | 26 | #include "gdbcmd.h" |
ebcd3b23 | 27 | #include "gdb_regex.h" /* Used by apropos_command. */ |
325ed089 | 28 | #include "gdb_vfork.h" |
0378c332 FN |
29 | #include "linespec.h" |
30 | #include "expression.h" | |
83c31e7d FN |
31 | #include "frame.h" |
32 | #include "value.h" | |
0378c332 | 33 | #include "language.h" |
ebcd3b23 | 34 | #include "filenames.h" /* For DOSish file names. */ |
0378c332 FN |
35 | #include "objfiles.h" |
36 | #include "source.h" | |
83c31e7d | 37 | #include "disasm.h" |
33da3f1c | 38 | #include "tracepoint.h" |
268a13a5 | 39 | #include "gdbsupport/filestuff.h" |
f00aae0f | 40 | #include "location.h" |
e9480230 | 41 | #include "block.h" |
d318976c | 42 | |
d318976c | 43 | #include "ui-out.h" |
947d3946 | 44 | #include "interps.h" |
d318976c FN |
45 | |
46 | #include "top.h" | |
47 | #include "cli/cli-decode.h" | |
48 | #include "cli/cli-script.h" | |
49 | #include "cli/cli-setshow.h" | |
50 | #include "cli/cli-cmds.h" | |
14309bb6 | 51 | #include "cli/cli-style.h" |
529480d0 | 52 | #include "cli/cli-utils.h" |
d318976c | 53 | |
6dddc817 | 54 | #include "extension.h" |
268a13a5 | 55 | #include "gdbsupport/pathstuff.h" |
973817a3 | 56 | |
6a83354a | 57 | #ifdef TUI |
ebcd3b23 | 58 | #include "tui/tui.h" /* For tui_active et.al. */ |
6a83354a AC |
59 | #endif |
60 | ||
4b505b12 | 61 | #include <fcntl.h> |
325fac50 | 62 | #include <algorithm> |
a97e29d2 | 63 | #include <string> |
4b505b12 | 64 | |
0378c332 FN |
65 | /* Prototypes for local utility functions */ |
66 | ||
06871ae8 PA |
67 | static void print_sal_location (const symtab_and_line &sal); |
68 | ||
6c5b2ebe | 69 | static void ambiguous_line_spec (gdb::array_view<const symtab_and_line> sals, |
e439fa14 PA |
70 | const char *format, ...) |
71 | ATTRIBUTE_PRINTF (2, 3); | |
f8eba3c6 | 72 | |
6c5b2ebe | 73 | static void filter_sals (std::vector<symtab_and_line> &); |
f8eba3c6 | 74 | |
d318976c | 75 | \f |
cc8dee1f | 76 | /* See cli-cmds.h. */ |
883b9c6c | 77 | unsigned int max_user_call_depth; |
20f01a46 | 78 | |
d318976c FN |
79 | /* Define all cmd_list_elements. */ |
80 | ||
81 | /* Chain containing all defined commands. */ | |
82 | ||
83 | struct cmd_list_element *cmdlist; | |
84 | ||
85 | /* Chain containing all defined info subcommands. */ | |
86 | ||
87 | struct cmd_list_element *infolist; | |
88 | ||
ebcd3b23 | 89 | /* Chain containing all defined enable subcommands. */ |
d318976c FN |
90 | |
91 | struct cmd_list_element *enablelist; | |
92 | ||
ebcd3b23 | 93 | /* Chain containing all defined disable subcommands. */ |
d318976c FN |
94 | |
95 | struct cmd_list_element *disablelist; | |
96 | ||
ebcd3b23 | 97 | /* Chain containing all defined stop subcommands. */ |
d318976c FN |
98 | |
99 | struct cmd_list_element *stoplist; | |
100 | ||
ebcd3b23 | 101 | /* Chain containing all defined delete subcommands. */ |
d318976c FN |
102 | |
103 | struct cmd_list_element *deletelist; | |
104 | ||
ebcd3b23 | 105 | /* Chain containing all defined detach subcommands. */ |
f73adfeb AS |
106 | |
107 | struct cmd_list_element *detachlist; | |
108 | ||
ebcd3b23 | 109 | /* Chain containing all defined kill subcommands. */ |
2277426b PA |
110 | |
111 | struct cmd_list_element *killlist; | |
112 | ||
d318976c FN |
113 | /* Chain containing all defined set subcommands */ |
114 | ||
115 | struct cmd_list_element *setlist; | |
116 | ||
117 | /* Chain containing all defined unset subcommands */ | |
118 | ||
119 | struct cmd_list_element *unsetlist; | |
120 | ||
121 | /* Chain containing all defined show subcommands. */ | |
122 | ||
123 | struct cmd_list_element *showlist; | |
124 | ||
125 | /* Chain containing all defined \"set history\". */ | |
126 | ||
127 | struct cmd_list_element *sethistlist; | |
128 | ||
129 | /* Chain containing all defined \"show history\". */ | |
130 | ||
131 | struct cmd_list_element *showhistlist; | |
132 | ||
133 | /* Chain containing all defined \"unset history\". */ | |
134 | ||
135 | struct cmd_list_element *unsethistlist; | |
136 | ||
ebcd3b23 | 137 | /* Chain containing all defined maintenance subcommands. */ |
d318976c FN |
138 | |
139 | struct cmd_list_element *maintenancelist; | |
140 | ||
ebcd3b23 | 141 | /* Chain containing all defined "maintenance info" subcommands. */ |
d318976c FN |
142 | |
143 | struct cmd_list_element *maintenanceinfolist; | |
144 | ||
ebcd3b23 | 145 | /* Chain containing all defined "maintenance print" subcommands. */ |
d318976c FN |
146 | |
147 | struct cmd_list_element *maintenanceprintlist; | |
148 | ||
27d41eac YQ |
149 | /* Chain containing all defined "maintenance check" subcommands. */ |
150 | ||
151 | struct cmd_list_element *maintenancechecklist; | |
152 | ||
d318976c FN |
153 | struct cmd_list_element *setprintlist; |
154 | ||
155 | struct cmd_list_element *showprintlist; | |
156 | ||
157 | struct cmd_list_element *setdebuglist; | |
158 | ||
159 | struct cmd_list_element *showdebuglist; | |
160 | ||
161 | struct cmd_list_element *setchecklist; | |
162 | ||
163 | struct cmd_list_element *showchecklist; | |
16026cd7 AS |
164 | |
165 | /* Command tracing state. */ | |
166 | ||
167 | int source_verbose = 0; | |
491144b5 | 168 | bool trace_commands = false; |
d318976c | 169 | \f |
973817a3 JB |
170 | /* 'script-extension' option support. */ |
171 | ||
172 | static const char script_ext_off[] = "off"; | |
173 | static const char script_ext_soft[] = "soft"; | |
174 | static const char script_ext_strict[] = "strict"; | |
175 | ||
40478521 | 176 | static const char *const script_ext_enums[] = { |
973817a3 JB |
177 | script_ext_off, |
178 | script_ext_soft, | |
179 | script_ext_strict, | |
180 | NULL | |
181 | }; | |
182 | ||
183 | static const char *script_ext_mode = script_ext_soft; | |
184 | \f | |
d318976c | 185 | /* Utility used everywhere when at least one argument is needed and |
ebcd3b23 | 186 | none is supplied. */ |
d318976c FN |
187 | |
188 | void | |
5b10184c | 189 | error_no_arg (const char *why) |
d318976c | 190 | { |
8a3fe4f8 | 191 | error (_("Argument required (%s)."), why); |
d318976c FN |
192 | } |
193 | ||
4fd6c7e8 TT |
194 | /* This implements the "info" prefix command. Normally such commands |
195 | are automatically handled by add_basic_prefix_cmd, but in this case | |
196 | a separate command is used so that it can be hooked into by | |
197 | gdb-gdb.gdb. */ | |
198 | ||
199 | static void | |
200 | info_command (const char *arg, int from_tty) | |
201 | { | |
202 | help_list (infolist, "info ", all_commands, gdb_stdout); | |
203 | } | |
204 | ||
fdbc9870 PA |
205 | /* See cli/cli-cmds.h. */ |
206 | ||
207 | void | |
208 | with_command_1 (const char *set_cmd_prefix, | |
209 | cmd_list_element *setlist, const char *args, int from_tty) | |
210 | { | |
26c957f1 PA |
211 | if (args == nullptr) |
212 | error (_("Missing arguments.")); | |
213 | ||
fdbc9870 PA |
214 | const char *delim = strstr (args, "--"); |
215 | const char *nested_cmd = nullptr; | |
216 | ||
217 | if (delim == args) | |
218 | error (_("Missing setting before '--' delimiter")); | |
219 | ||
220 | if (delim == nullptr || *skip_spaces (&delim[2]) == '\0') | |
221 | nested_cmd = repeat_previous (); | |
222 | ||
223 | cmd_list_element *set_cmd = lookup_cmd (&args, setlist, set_cmd_prefix, | |
224 | /*allow_unknown=*/ 0, | |
225 | /*ignore_help_classes=*/ 1); | |
226 | gdb_assert (set_cmd != nullptr); | |
227 | ||
228 | if (set_cmd->var == nullptr) | |
229 | error (_("Cannot use this setting with the \"with\" command")); | |
230 | ||
231 | std::string temp_value | |
232 | = (delim == nullptr ? args : std::string (args, delim - args)); | |
233 | ||
234 | if (nested_cmd == nullptr) | |
235 | nested_cmd = skip_spaces (delim + 2); | |
236 | ||
237 | std::string org_value = get_setshow_command_value_string (set_cmd); | |
238 | ||
239 | /* Tweak the setting to the new temporary value. */ | |
240 | do_set_command (temp_value.c_str (), from_tty, set_cmd); | |
241 | ||
242 | try | |
243 | { | |
244 | scoped_restore save_async = make_scoped_restore (¤t_ui->async, 0); | |
245 | ||
246 | /* Execute the nested command. */ | |
247 | execute_command (nested_cmd, from_tty); | |
248 | } | |
249 | catch (const gdb_exception &ex) | |
250 | { | |
251 | /* Restore the setting and rethrow. If restoring the setting | |
252 | throws, swallow the new exception and warn. There's nothing | |
253 | else we can reasonably do. */ | |
254 | try | |
255 | { | |
256 | do_set_command (org_value.c_str (), from_tty, set_cmd); | |
257 | } | |
258 | catch (const gdb_exception &ex2) | |
259 | { | |
260 | warning (_("Couldn't restore setting: %s"), ex2.what ()); | |
261 | } | |
262 | ||
263 | throw; | |
264 | } | |
265 | ||
266 | /* Restore the setting. */ | |
267 | do_set_command (org_value.c_str (), from_tty, set_cmd); | |
268 | } | |
269 | ||
270 | /* See cli/cli-cmds.h. */ | |
271 | ||
272 | void | |
273 | with_command_completer_1 (const char *set_cmd_prefix, | |
274 | completion_tracker &tracker, | |
275 | const char *text) | |
276 | { | |
277 | tracker.set_use_custom_word_point (true); | |
278 | ||
279 | const char *delim = strstr (text, "--"); | |
280 | ||
281 | /* If we're still not past the "--" delimiter, complete the "with" | |
282 | command as if it was a "set" command. */ | |
283 | if (delim == text | |
284 | || delim == nullptr | |
285 | || !isspace (delim[-1]) | |
286 | || !(isspace (delim[2]) || delim[2] == '\0')) | |
287 | { | |
288 | std::string new_text = std::string (set_cmd_prefix) + text; | |
289 | tracker.advance_custom_word_point_by (-(int) strlen (set_cmd_prefix)); | |
290 | complete_nested_command_line (tracker, new_text.c_str ()); | |
291 | return; | |
292 | } | |
293 | ||
294 | /* We're past the "--" delimiter. Complete on the sub command. */ | |
295 | const char *nested_cmd = skip_spaces (delim + 2); | |
296 | tracker.advance_custom_word_point_by (nested_cmd - text); | |
297 | complete_nested_command_line (tracker, nested_cmd); | |
298 | } | |
299 | ||
300 | /* The "with" command. */ | |
301 | ||
302 | static void | |
303 | with_command (const char *args, int from_tty) | |
304 | { | |
305 | with_command_1 ("set ", setlist, args, from_tty); | |
306 | } | |
307 | ||
308 | /* "with" command completer. */ | |
309 | ||
310 | static void | |
311 | with_command_completer (struct cmd_list_element *ignore, | |
312 | completion_tracker &tracker, | |
313 | const char *text, const char * /*word*/) | |
314 | { | |
315 | with_command_completer_1 ("set ", tracker, text); | |
316 | } | |
317 | ||
d318976c FN |
318 | \f |
319 | /* Provide documentation on command or list given by COMMAND. FROM_TTY | |
320 | is ignored. */ | |
321 | ||
d318976c | 322 | static void |
0b39b52e | 323 | help_command (const char *command, int from_tty) |
d318976c FN |
324 | { |
325 | help_cmd (command, gdb_stdout); | |
326 | } | |
327 | \f | |
eb3ff9a5 | 328 | |
ef0b411a GB |
329 | /* Note: The "complete" command is used by Emacs to implement completion. |
330 | [Is that why this function writes output with *_unfiltered?] */ | |
d318976c | 331 | |
d318976c | 332 | static void |
0b39b52e | 333 | complete_command (const char *arg, int from_tty) |
d318976c | 334 | { |
d318976c FN |
335 | dont_repeat (); |
336 | ||
ef0b411a GB |
337 | if (max_completions == 0) |
338 | { | |
339 | /* Only print this for non-mi frontends. An MI frontend may not | |
340 | be able to handle this. */ | |
112e8700 | 341 | if (!current_uiout->is_mi_like_p ()) |
ef0b411a GB |
342 | { |
343 | printf_unfiltered (_("max-completions is zero," | |
344 | " completion is disabled.\n")); | |
345 | } | |
346 | return; | |
347 | } | |
348 | ||
d318976c FN |
349 | if (arg == NULL) |
350 | arg = ""; | |
d9b52655 | 351 | |
6a2c1b87 PA |
352 | int quote_char = '\0'; |
353 | const char *word; | |
354 | ||
6e035501 | 355 | completion_result result = complete (arg, &word, "e_char); |
eb3ff9a5 | 356 | |
eb3ff9a5 PA |
357 | if (result.number_matches != 0) |
358 | { | |
fb7806c7 TV |
359 | std::string arg_prefix (arg, word - arg); |
360 | ||
eb3ff9a5 PA |
361 | if (result.number_matches == 1) |
362 | printf_unfiltered ("%s%s\n", arg_prefix.c_str (), result.match_list[0]); | |
363 | else | |
83d31a92 | 364 | { |
eb3ff9a5 PA |
365 | result.sort_match_list (); |
366 | ||
367 | for (size_t i = 0; i < result.number_matches; i++) | |
83d31a92 | 368 | { |
eb3ff9a5 PA |
369 | printf_unfiltered ("%s%s", |
370 | arg_prefix.c_str (), | |
371 | result.match_list[i + 1]); | |
6a2c1b87 PA |
372 | if (quote_char) |
373 | printf_unfiltered ("%c", quote_char); | |
eb3ff9a5 | 374 | printf_unfiltered ("\n"); |
83d31a92 | 375 | } |
83d31a92 TT |
376 | } |
377 | ||
eb3ff9a5 | 378 | if (result.number_matches == max_completions) |
ef0b411a | 379 | { |
6a2c1b87 | 380 | /* ARG_PREFIX and WORD are included in the output so that emacs |
ef0b411a GB |
381 | will include the message in the output. */ |
382 | printf_unfiltered (_("%s%s %s\n"), | |
6a2c1b87 | 383 | arg_prefix.c_str (), word, |
ef0b411a GB |
384 | get_max_completions_reached_message ()); |
385 | } | |
d318976c FN |
386 | } |
387 | } | |
388 | ||
bbaca940 AC |
389 | int |
390 | is_complete_command (struct cmd_list_element *c) | |
d318976c | 391 | { |
bbaca940 | 392 | return cmd_cfunc_eq (c, complete_command); |
d318976c FN |
393 | } |
394 | ||
d318976c | 395 | static void |
dede02ce | 396 | show_version (const char *args, int from_tty) |
d318976c | 397 | { |
c61b06a1 | 398 | print_gdb_version (gdb_stdout, true); |
d318976c | 399 | printf_filtered ("\n"); |
d318976c FN |
400 | } |
401 | ||
6eaaf48b | 402 | static void |
dede02ce | 403 | show_configuration (const char *args, int from_tty) |
6eaaf48b EZ |
404 | { |
405 | print_gdb_configuration (gdb_stdout); | |
406 | } | |
407 | ||
d318976c FN |
408 | /* Handle the quit command. */ |
409 | ||
410 | void | |
0b39b52e | 411 | quit_command (const char *args, int from_tty) |
d318976c | 412 | { |
36cf1806 TT |
413 | int exit_code = 0; |
414 | ||
415 | /* An optional expression may be used to cause gdb to terminate with | |
416 | the value of that expression. */ | |
417 | if (args) | |
418 | { | |
419 | struct value *val = parse_and_eval (args); | |
420 | ||
421 | exit_code = (int) value_as_long (val); | |
422 | } | |
423 | ||
d318976c | 424 | if (!quit_confirm ()) |
8a3fe4f8 | 425 | error (_("Not confirmed.")); |
d5551862 | 426 | |
2f9d54cf | 427 | query_if_trace_running (from_tty); |
d5551862 | 428 | |
36cf1806 | 429 | quit_force (args ? &exit_code : NULL, from_tty); |
d318976c FN |
430 | } |
431 | ||
d318976c | 432 | static void |
0b39b52e | 433 | pwd_command (const char *args, int from_tty) |
d318976c FN |
434 | { |
435 | if (args) | |
8a3fe4f8 | 436 | error (_("The \"pwd\" command does not take an argument: %s"), args); |
43573013 SDJ |
437 | |
438 | gdb::unique_xmalloc_ptr<char> cwd (getcwd (NULL, 0)); | |
439 | ||
440 | if (cwd == NULL) | |
bf1d7d9c JB |
441 | error (_("Error finding name of working directory: %s"), |
442 | safe_strerror (errno)); | |
d318976c | 443 | |
43573013 | 444 | if (strcmp (cwd.get (), current_directory) != 0) |
14309bb6 TT |
445 | printf_unfiltered (_("Working directory %ps\n (canonically %ps).\n"), |
446 | styled_string (file_name_style.style (), | |
447 | current_directory), | |
448 | styled_string (file_name_style.style (), cwd.get ())); | |
d318976c | 449 | else |
14309bb6 TT |
450 | printf_unfiltered (_("Working directory %ps.\n"), |
451 | styled_string (file_name_style.style (), | |
452 | current_directory)); | |
d318976c FN |
453 | } |
454 | ||
455 | void | |
5e93d4c6 | 456 | cd_command (const char *dir, int from_tty) |
d318976c FN |
457 | { |
458 | int len; | |
459 | /* Found something other than leading repetitions of "/..". */ | |
460 | int found_real_path; | |
461 | char *p; | |
462 | ||
463 | /* If the new directory is absolute, repeat is a no-op; if relative, | |
464 | repeat might be useful but is more likely to be a mistake. */ | |
465 | dont_repeat (); | |
466 | ||
6eecf35f TT |
467 | gdb::unique_xmalloc_ptr<char> dir_holder |
468 | (tilde_expand (dir != NULL ? dir : "~")); | |
469 | dir = dir_holder.get (); | |
d318976c FN |
470 | |
471 | if (chdir (dir) < 0) | |
472 | perror_with_name (dir); | |
473 | ||
c3690141 | 474 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
d318976c FN |
475 | /* There's too much mess with DOSish names like "d:", "d:.", |
476 | "d:./foo" etc. Instead of having lots of special #ifdef'ed code, | |
477 | simply get the canonicalized name of the current directory. */ | |
43573013 SDJ |
478 | gdb::unique_xmalloc_ptr<char> cwd (getcwd (NULL, 0)); |
479 | dir = cwd.get (); | |
d318976c FN |
480 | #endif |
481 | ||
482 | len = strlen (dir); | |
fe4e3eb8 | 483 | if (IS_DIR_SEPARATOR (dir[len - 1])) |
d318976c FN |
484 | { |
485 | /* Remove the trailing slash unless this is a root directory | |
486 | (including a drive letter on non-Unix systems). */ | |
487 | if (!(len == 1) /* "/" */ | |
c3690141 | 488 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
fe4e3eb8 | 489 | && !(len == 3 && dir[1] == ':') /* "d:/" */ |
d318976c FN |
490 | #endif |
491 | ) | |
492 | len--; | |
493 | } | |
494 | ||
6eecf35f TT |
495 | dir_holder.reset (savestring (dir, len)); |
496 | if (IS_ABSOLUTE_PATH (dir_holder.get ())) | |
43573013 SDJ |
497 | { |
498 | xfree (current_directory); | |
499 | current_directory = dir_holder.release (); | |
500 | } | |
d318976c FN |
501 | else |
502 | { | |
fe4e3eb8 | 503 | if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1])) |
6eecf35f TT |
504 | current_directory = concat (current_directory, dir_holder.get (), |
505 | (char *) NULL); | |
d318976c | 506 | else |
1754f103 | 507 | current_directory = concat (current_directory, SLASH_STRING, |
6eecf35f | 508 | dir_holder.get (), (char *) NULL); |
d318976c FN |
509 | } |
510 | ||
511 | /* Now simplify any occurrences of `.' and `..' in the pathname. */ | |
512 | ||
513 | found_real_path = 0; | |
514 | for (p = current_directory; *p;) | |
515 | { | |
fe4e3eb8 EZ |
516 | if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' |
517 | && (p[2] == 0 || IS_DIR_SEPARATOR (p[2]))) | |
b2a3b509 | 518 | memmove (p, p + 2, strlen (p + 2) + 1); |
fe4e3eb8 EZ |
519 | else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.' |
520 | && (p[3] == 0 || IS_DIR_SEPARATOR (p[3]))) | |
d318976c FN |
521 | { |
522 | if (found_real_path) | |
523 | { | |
524 | /* Search backwards for the directory just before the "/.." | |
525 | and obliterate it and the "/..". */ | |
526 | char *q = p; | |
cdb27c12 | 527 | |
fe4e3eb8 | 528 | while (q != current_directory && !IS_DIR_SEPARATOR (q[-1])) |
d318976c FN |
529 | --q; |
530 | ||
531 | if (q == current_directory) | |
532 | /* current_directory is | |
533 | a relative pathname ("can't happen"--leave it alone). */ | |
534 | ++p; | |
535 | else | |
536 | { | |
b2a3b509 | 537 | memmove (q - 1, p + 3, strlen (p + 3) + 1); |
d318976c FN |
538 | p = q - 1; |
539 | } | |
540 | } | |
541 | else | |
ebcd3b23 MS |
542 | /* We are dealing with leading repetitions of "/..", for |
543 | example "/../..", which is the Mach super-root. */ | |
d318976c FN |
544 | p += 3; |
545 | } | |
546 | else | |
547 | { | |
548 | found_real_path = 1; | |
549 | ++p; | |
550 | } | |
551 | } | |
552 | ||
553 | forget_cached_source_info (); | |
554 | ||
555 | if (from_tty) | |
556 | pwd_command ((char *) 0, 1); | |
557 | } | |
558 | \f | |
973817a3 JB |
559 | /* Show the current value of the 'script-extension' option. */ |
560 | ||
561 | static void | |
562 | show_script_ext_mode (struct ui_file *file, int from_tty, | |
563 | struct cmd_list_element *c, const char *value) | |
d318976c | 564 | { |
9a2b4c1b MS |
565 | fprintf_filtered (file, |
566 | _("Script filename extension recognition is \"%s\".\n"), | |
973817a3 JB |
567 | value); |
568 | } | |
569 | ||
3f7b2faa DE |
570 | /* Try to open SCRIPT_FILE. |
571 | If successful, the full path name is stored in *FULL_PATHP, | |
ed166945 TT |
572 | and the stream is returned. |
573 | If not successful, return NULL; errno is set for the last file | |
3f7b2faa DE |
574 | we tried to open. |
575 | ||
576 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
f5b95b50 | 577 | search for it in the source search path. */ |
3f7b2faa | 578 | |
ed166945 TT |
579 | gdb::optional<open_script> |
580 | find_and_open_script (const char *script_file, int search_path) | |
973817a3 | 581 | { |
4b505b12 | 582 | int fd; |
24b9144d | 583 | openp_flags search_flags = OPF_TRY_CWD_FIRST | OPF_RETURN_REALPATH; |
ed166945 | 584 | gdb::optional<open_script> opened; |
d318976c | 585 | |
ee0c3293 | 586 | gdb::unique_xmalloc_ptr<char> file (tilde_expand (script_file)); |
d318976c | 587 | |
3f7b2faa DE |
588 | if (search_path) |
589 | search_flags |= OPF_SEARCH_IN_PATH; | |
4b505b12 | 590 | |
3f7b2faa DE |
591 | /* Search for and open 'file' on the search path used for source |
592 | files. Put the full location in *FULL_PATHP. */ | |
e0cc99a6 | 593 | gdb::unique_xmalloc_ptr<char> full_path; |
3f7b2faa | 594 | fd = openp (source_path, search_flags, |
e0cc99a6 | 595 | file.get (), O_RDONLY, &full_path); |
4b505b12 AS |
596 | |
597 | if (fd == -1) | |
ee0c3293 | 598 | return opened; |
973817a3 | 599 | |
ed166945 TT |
600 | FILE *result = fdopen (fd, FOPEN_RT); |
601 | if (result == NULL) | |
77a35dd8 JK |
602 | { |
603 | int save_errno = errno; | |
604 | ||
605 | close (fd); | |
77a35dd8 | 606 | errno = save_errno; |
77a35dd8 | 607 | } |
ed166945 TT |
608 | else |
609 | opened.emplace (gdb_file_up (result), std::move (full_path)); | |
77a35dd8 | 610 | |
ed166945 | 611 | return opened; |
973817a3 JB |
612 | } |
613 | ||
1a70ae97 DE |
614 | /* Load script FILE, which has already been opened as STREAM. |
615 | FILE_TO_OPEN is the form of FILE to use if one needs to open the file. | |
616 | This is provided as FILE may have been found via the source search path. | |
617 | An important thing to note here is that FILE may be a symlink to a file | |
618 | with a different or non-existing suffix, and thus one cannot infer the | |
619 | extension language from FILE_TO_OPEN. */ | |
973817a3 | 620 | |
3f7b2faa | 621 | static void |
1a70ae97 DE |
622 | source_script_from_stream (FILE *stream, const char *file, |
623 | const char *file_to_open) | |
3f7b2faa | 624 | { |
6dddc817 | 625 | if (script_ext_mode != script_ext_off) |
973817a3 | 626 | { |
6dddc817 DE |
627 | const struct extension_language_defn *extlang |
628 | = get_ext_lang_of_file (file); | |
629 | ||
630 | if (extlang != NULL) | |
973817a3 | 631 | { |
6dddc817 DE |
632 | if (ext_lang_present_p (extlang)) |
633 | { | |
634 | script_sourcer_func *sourcer | |
635 | = ext_lang_script_sourcer (extlang); | |
636 | ||
637 | gdb_assert (sourcer != NULL); | |
1a70ae97 | 638 | sourcer (extlang, stream, file_to_open); |
6dddc817 DE |
639 | return; |
640 | } | |
641 | else if (script_ext_mode == script_ext_soft) | |
642 | { | |
643 | /* Assume the file is a gdb script. | |
644 | This is handled below. */ | |
645 | } | |
646 | else | |
647 | throw_ext_lang_unsupported (extlang); | |
973817a3 JB |
648 | } |
649 | } | |
6dddc817 DE |
650 | |
651 | script_from_file (stream, file); | |
3f7b2faa | 652 | } |
d318976c | 653 | |
3f7b2faa DE |
654 | /* Worker to perform the "source" command. |
655 | Load script FILE. | |
656 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
657 | search for it in the source search path. */ | |
658 | ||
659 | static void | |
660 | source_script_with_search (const char *file, int from_tty, int search_path) | |
661 | { | |
3f7b2faa DE |
662 | |
663 | if (file == NULL || *file == 0) | |
664 | error (_("source command requires file name of file to source.")); | |
665 | ||
ed166945 TT |
666 | gdb::optional<open_script> opened = find_and_open_script (file, search_path); |
667 | if (!opened) | |
3f7b2faa | 668 | { |
d234ef5c | 669 | /* The script wasn't found, or was otherwise inaccessible. |
ebcd3b23 MS |
670 | If the source command was invoked interactively, throw an |
671 | error. Otherwise (e.g. if it was invoked by a script), | |
7c647d61 | 672 | just emit a warning, rather than cause an error. */ |
3f7b2faa DE |
673 | if (from_tty) |
674 | perror_with_name (file); | |
675 | else | |
7c647d61 JB |
676 | { |
677 | perror_warning_with_name (file); | |
678 | return; | |
679 | } | |
3f7b2faa DE |
680 | } |
681 | ||
d234ef5c DE |
682 | /* The python support reopens the file, so we need to pass full_path here |
683 | in case the file was found on the search path. It's useful to do this | |
684 | anyway so that error messages show the actual file used. But only do | |
685 | this if we (may have) used search_path, as printing the full path in | |
686 | errors for the non-search case can be more noise than signal. */ | |
ed166945 TT |
687 | source_script_from_stream (opened->stream.get (), file, |
688 | search_path ? opened->full_path.get () : file); | |
d318976c FN |
689 | } |
690 | ||
3f7b2faa DE |
691 | /* Wrapper around source_script_with_search to export it to main.c |
692 | for use in loading .gdbinit scripts. */ | |
693 | ||
694 | void | |
50dd9793 | 695 | source_script (const char *file, int from_tty) |
3f7b2faa DE |
696 | { |
697 | source_script_with_search (file, from_tty, 0); | |
698 | } | |
699 | ||
16026cd7 | 700 | static void |
dede02ce | 701 | source_command (const char *args, int from_tty) |
16026cd7 | 702 | { |
dede02ce | 703 | const char *file = args; |
3f7b2faa | 704 | int search_path = 0; |
16026cd7 | 705 | |
2ec845e7 | 706 | scoped_restore save_source_verbose = make_scoped_restore (&source_verbose); |
16026cd7 AS |
707 | |
708 | /* -v causes the source command to run in verbose mode. | |
3f7b2faa DE |
709 | -s causes the file to be searched in the source search path, |
710 | even if the file name contains a '/'. | |
16026cd7 AS |
711 | We still have to be able to handle filenames with spaces in a |
712 | backward compatible way, so buildargv is not appropriate. */ | |
713 | ||
714 | if (args) | |
715 | { | |
3f7b2faa | 716 | while (args[0] != '\0') |
16026cd7 | 717 | { |
ebcd3b23 MS |
718 | /* Make sure leading white space does not break the |
719 | comparisons. */ | |
529480d0 | 720 | args = skip_spaces (args); |
3f7b2faa DE |
721 | |
722 | if (args[0] != '-') | |
723 | break; | |
724 | ||
725 | if (args[1] == 'v' && isspace (args[2])) | |
726 | { | |
727 | source_verbose = 1; | |
728 | ||
729 | /* Skip passed -v. */ | |
730 | args = &args[3]; | |
731 | } | |
732 | else if (args[1] == 's' && isspace (args[2])) | |
733 | { | |
734 | search_path = 1; | |
16026cd7 | 735 | |
3f7b2faa DE |
736 | /* Skip passed -s. */ |
737 | args = &args[3]; | |
738 | } | |
739 | else | |
740 | break; | |
16026cd7 | 741 | } |
3f7b2faa | 742 | |
529480d0 | 743 | file = skip_spaces (args); |
16026cd7 AS |
744 | } |
745 | ||
3f7b2faa | 746 | source_script_with_search (file, from_tty, search_path); |
16026cd7 AS |
747 | } |
748 | ||
749 | ||
d318976c | 750 | static void |
0b39b52e | 751 | echo_command (const char *text, int from_tty) |
d318976c | 752 | { |
d7561cbb | 753 | const char *p = text; |
d5b5ac79 | 754 | int c; |
d318976c FN |
755 | |
756 | if (text) | |
757 | while ((c = *p++) != '\0') | |
758 | { | |
759 | if (c == '\\') | |
760 | { | |
761 | /* \ at end of argument is used after spaces | |
762 | so they won't be lost. */ | |
763 | if (*p == 0) | |
764 | return; | |
765 | ||
f870a310 | 766 | c = parse_escape (get_current_arch (), &p); |
d318976c FN |
767 | if (c >= 0) |
768 | printf_filtered ("%c", c); | |
769 | } | |
770 | else | |
771 | printf_filtered ("%c", c); | |
772 | } | |
773 | ||
ef1dfa36 TT |
774 | reset_terminal_style (gdb_stdout); |
775 | ||
d318976c FN |
776 | /* Force this output to appear now. */ |
777 | wrap_here (""); | |
778 | gdb_flush (gdb_stdout); | |
779 | } | |
780 | ||
947d3946 PW |
781 | /* Sets the last launched shell command convenience variables based on |
782 | EXIT_STATUS. */ | |
783 | ||
784 | static void | |
785 | exit_status_set_internal_vars (int exit_status) | |
786 | { | |
787 | struct internalvar *var_code = lookup_internalvar ("_shell_exitcode"); | |
788 | struct internalvar *var_signal = lookup_internalvar ("_shell_exitsignal"); | |
789 | ||
790 | clear_internalvar (var_code); | |
791 | clear_internalvar (var_signal); | |
792 | if (WIFEXITED (exit_status)) | |
793 | set_internalvar_integer (var_code, WEXITSTATUS (exit_status)); | |
559e7e50 EZ |
794 | #ifdef __MINGW32__ |
795 | else if (WIFSIGNALED (exit_status) && WTERMSIG (exit_status) == -1) | |
796 | { | |
797 | /* The -1 condition can happen on MinGW, if we don't recognize | |
798 | the fatal exception code encoded in the exit status; see | |
799 | gdbsupport/gdb_wait.c. We don't want to lose information in | |
800 | the exit status in that case. Record it as a normal exit | |
801 | with the full exit status, including the higher 0xC0000000 | |
802 | bits. */ | |
803 | set_internalvar_integer (var_code, exit_status); | |
804 | } | |
805 | #endif | |
947d3946 PW |
806 | else if (WIFSIGNALED (exit_status)) |
807 | set_internalvar_integer (var_signal, WTERMSIG (exit_status)); | |
808 | else | |
422186a9 | 809 | warning (_("unexpected shell command exit status %d"), exit_status); |
947d3946 PW |
810 | } |
811 | ||
d318976c | 812 | static void |
be47f9e8 | 813 | shell_escape (const char *arg, int from_tty) |
d318976c | 814 | { |
9b265ec2 MM |
815 | #if defined(CANT_FORK) || \ |
816 | (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK)) | |
d318976c FN |
817 | /* If ARG is NULL, they want an inferior shell, but `system' just |
818 | reports if the shell is available when passed a NULL arg. */ | |
819 | int rc = system (arg ? arg : ""); | |
820 | ||
821 | if (!arg) | |
822 | arg = "inferior shell"; | |
823 | ||
824 | if (rc == -1) | |
c119e040 TT |
825 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg, |
826 | safe_strerror (errno)); | |
d318976c | 827 | else if (rc) |
c119e040 | 828 | fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc); |
2584159e | 829 | #ifdef GLOBAL_CURDIR |
ebcd3b23 MS |
830 | /* Make sure to return to the directory GDB thinks it is, in case |
831 | the shell command we just ran changed it. */ | |
d318976c | 832 | chdir (current_directory); |
947d3946 | 833 | exit_status_set_internal_vars (rc); |
d318976c FN |
834 | #endif |
835 | #else /* Can fork. */ | |
5be4dfca | 836 | int status, pid; |
d318976c | 837 | |
325ed089 | 838 | if ((pid = vfork ()) == 0) |
d318976c | 839 | { |
974e6844 | 840 | const char *p, *user_shell = get_shell (); |
30e94205 | 841 | |
614c279d TT |
842 | close_most_fds (); |
843 | ||
ebcd3b23 | 844 | /* Get the name of the shell for arg0. */ |
9f37bbcc | 845 | p = lbasename (user_shell); |
30e94205 | 846 | |
d318976c | 847 | if (!arg) |
36662fde | 848 | execl (user_shell, p, (char *) 0); |
d318976c | 849 | else |
36662fde | 850 | execl (user_shell, p, "-c", arg, (char *) 0); |
d318976c FN |
851 | |
852 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell, | |
853 | safe_strerror (errno)); | |
d318976c FN |
854 | _exit (0177); |
855 | } | |
856 | ||
857 | if (pid != -1) | |
5be4dfca | 858 | waitpid (pid, &status, 0); |
d318976c | 859 | else |
8a3fe4f8 | 860 | error (_("Fork failed")); |
947d3946 | 861 | exit_status_set_internal_vars (status); |
d318976c FN |
862 | #endif /* Can fork. */ |
863 | } | |
864 | ||
be47f9e8 PA |
865 | /* Implementation of the "shell" command. */ |
866 | ||
867 | static void | |
0b39b52e | 868 | shell_command (const char *arg, int from_tty) |
be47f9e8 PA |
869 | { |
870 | shell_escape (arg, from_tty); | |
871 | } | |
872 | ||
0378c332 | 873 | static void |
0b39b52e | 874 | edit_command (const char *arg, int from_tty) |
0378c332 | 875 | { |
0378c332 FN |
876 | struct symtab_and_line sal; |
877 | struct symbol *sym; | |
a121b7c1 | 878 | const char *editor; |
0b0865da TT |
879 | char *p; |
880 | const char *fn; | |
0378c332 | 881 | |
d5529a84 | 882 | /* Pull in the current default source line if necessary. */ |
0378c332 | 883 | if (arg == 0) |
53cb0458 FN |
884 | { |
885 | set_default_source_symtab_and_line (); | |
886 | sal = get_current_source_symtab_and_line (); | |
887 | } | |
0378c332 | 888 | |
ebcd3b23 | 889 | /* Bare "edit" edits file with present line. */ |
0378c332 FN |
890 | |
891 | if (arg == 0) | |
892 | { | |
893 | if (sal.symtab == 0) | |
8a3fe4f8 | 894 | error (_("No default source file yet.")); |
0378c332 FN |
895 | sal.line += get_lines_to_list () / 2; |
896 | } | |
897 | else | |
898 | { | |
f2fc3015 | 899 | const char *arg1; |
0378c332 | 900 | |
f00aae0f | 901 | /* Now should only be one argument -- decode it in SAL. */ |
0378c332 | 902 | arg1 = arg; |
ffc2605c TT |
903 | event_location_up location = string_to_event_location (&arg1, |
904 | current_language); | |
6c5b2ebe PA |
905 | std::vector<symtab_and_line> sals = decode_line_1 (location.get (), |
906 | DECODE_LINE_LIST_MODE, | |
907 | NULL, NULL, 0); | |
0378c332 | 908 | |
6c5b2ebe PA |
909 | filter_sals (sals); |
910 | if (sals.empty ()) | |
d5529a84 TT |
911 | { |
912 | /* C++ */ | |
913 | return; | |
914 | } | |
6c5b2ebe | 915 | if (sals.size () > 1) |
d5529a84 | 916 | { |
6c5b2ebe | 917 | ambiguous_line_spec (sals, |
e439fa14 | 918 | _("Specified line is ambiguous:\n")); |
d5529a84 TT |
919 | return; |
920 | } | |
0378c332 | 921 | |
6c5b2ebe | 922 | sal = sals[0]; |
0378c332 FN |
923 | |
924 | if (*arg1) | |
8a3fe4f8 | 925 | error (_("Junk at end of line specification.")); |
0378c332 | 926 | |
ebcd3b23 MS |
927 | /* If line was specified by address, first print exactly which |
928 | line, and which file. In this case, sal.symtab == 0 means | |
929 | address is outside of all known source files, not that user | |
930 | failed to give a filename. */ | |
0378c332 FN |
931 | if (*arg == '*') |
932 | { | |
5af949e3 | 933 | struct gdbarch *gdbarch; |
cdb27c12 | 934 | |
0378c332 | 935 | if (sal.symtab == 0) |
8a3fe4f8 | 936 | error (_("No source file for address %s."), |
2b69941d | 937 | paddress (get_current_arch (), sal.pc)); |
5af949e3 | 938 | |
08feed99 | 939 | gdbarch = SYMTAB_OBJFILE (sal.symtab)->arch (); |
0378c332 FN |
940 | sym = find_pc_function (sal.pc); |
941 | if (sym) | |
5af949e3 UW |
942 | printf_filtered ("%s is in %s (%s:%d).\n", |
943 | paddress (gdbarch, sal.pc), | |
987012b8 | 944 | sym->print_name (), |
05cba821 JK |
945 | symtab_to_filename_for_display (sal.symtab), |
946 | sal.line); | |
0378c332 | 947 | else |
5af949e3 UW |
948 | printf_filtered ("%s is at %s:%d.\n", |
949 | paddress (gdbarch, sal.pc), | |
05cba821 JK |
950 | symtab_to_filename_for_display (sal.symtab), |
951 | sal.line); | |
0378c332 FN |
952 | } |
953 | ||
ebcd3b23 MS |
954 | /* If what was given does not imply a symtab, it must be an |
955 | undebuggable symbol which means no source code. */ | |
0378c332 FN |
956 | |
957 | if (sal.symtab == 0) | |
8a3fe4f8 | 958 | error (_("No line number known for %s."), arg); |
0378c332 FN |
959 | } |
960 | ||
081bca4d TT |
961 | if ((editor = getenv ("EDITOR")) == NULL) |
962 | editor = "/bin/ex"; | |
a955ca71 | 963 | |
f35a17b5 | 964 | fn = symtab_to_fullname (sal.symtab); |
0378c332 | 965 | |
a955ca71 EZ |
966 | /* Quote the file name, in case it has whitespace or other special |
967 | characters. */ | |
968 | p = xstrprintf ("%s +%d \"%s\"", editor, sal.line, fn); | |
d5529a84 TT |
969 | shell_escape (p, from_tty); |
970 | xfree (p); | |
0378c332 FN |
971 | } |
972 | ||
5f4ba3e7 PA |
973 | /* The options for the "pipe" command. */ |
974 | ||
975 | struct pipe_cmd_opts | |
976 | { | |
977 | /* For "-d". */ | |
978 | char *delimiter = nullptr; | |
979 | ||
980 | ~pipe_cmd_opts () | |
981 | { | |
982 | xfree (delimiter); | |
983 | } | |
984 | }; | |
985 | ||
986 | static const gdb::option::option_def pipe_cmd_option_defs[] = { | |
987 | ||
988 | gdb::option::string_option_def<pipe_cmd_opts> { | |
989 | "d", | |
990 | [] (pipe_cmd_opts *opts) { return &opts->delimiter; }, | |
991 | nullptr, | |
992 | N_("Indicates to use the specified delimiter string to separate\n\ | |
993 | COMMAND from SHELL_COMMAND, in alternative to |. This is useful in\n\ | |
994 | case COMMAND contains a | character."), | |
995 | }, | |
996 | ||
997 | }; | |
998 | ||
999 | /* Create an option_def_group for the "pipe" command's options, with | |
1000 | OPTS as context. */ | |
1001 | ||
1002 | static inline gdb::option::option_def_group | |
1003 | make_pipe_cmd_options_def_group (pipe_cmd_opts *opts) | |
1004 | { | |
1005 | return {{pipe_cmd_option_defs}, opts}; | |
1006 | } | |
1007 | ||
947d3946 PW |
1008 | /* Implementation of the "pipe" command. */ |
1009 | ||
1010 | static void | |
1011 | pipe_command (const char *arg, int from_tty) | |
1012 | { | |
5f4ba3e7 | 1013 | pipe_cmd_opts opts; |
947d3946 | 1014 | |
5f4ba3e7 PA |
1015 | auto grp = make_pipe_cmd_options_def_group (&opts); |
1016 | gdb::option::process_options | |
1017 | (&arg, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_OPERAND, grp); | |
1018 | ||
1019 | const char *delim = "|"; | |
1020 | if (opts.delimiter != nullptr) | |
1021 | delim = opts.delimiter; | |
947d3946 PW |
1022 | |
1023 | const char *command = arg; | |
1024 | if (command == nullptr) | |
1025 | error (_("Missing COMMAND")); | |
1026 | ||
5f4ba3e7 | 1027 | arg = strstr (arg, delim); |
947d3946 PW |
1028 | |
1029 | if (arg == nullptr) | |
1030 | error (_("Missing delimiter before SHELL_COMMAND")); | |
1031 | ||
1032 | std::string gdb_cmd (command, arg - command); | |
1033 | ||
5f4ba3e7 | 1034 | arg += strlen (delim); /* Skip the delimiter. */ |
947d3946 PW |
1035 | |
1036 | if (gdb_cmd.empty ()) | |
fdbc9870 | 1037 | gdb_cmd = repeat_previous (); |
947d3946 PW |
1038 | |
1039 | const char *shell_command = skip_spaces (arg); | |
1040 | if (*shell_command == '\0') | |
1041 | error (_("Missing SHELL_COMMAND")); | |
1042 | ||
1043 | FILE *to_shell_command = popen (shell_command, "w"); | |
1044 | ||
1045 | if (to_shell_command == nullptr) | |
1046 | error (_("Error launching \"%s\""), shell_command); | |
1047 | ||
1048 | try | |
1049 | { | |
1050 | stdio_file pipe_file (to_shell_command); | |
1051 | ||
1052 | execute_command_to_ui_file (&pipe_file, gdb_cmd.c_str (), from_tty); | |
1053 | } | |
1054 | catch (...) | |
1055 | { | |
1056 | pclose (to_shell_command); | |
1057 | throw; | |
1058 | } | |
1059 | ||
1060 | int exit_status = pclose (to_shell_command); | |
1061 | ||
1062 | if (exit_status < 0) | |
1063 | error (_("shell command \"%s\" failed: %s"), shell_command, | |
1064 | safe_strerror (errno)); | |
1065 | exit_status_set_internal_vars (exit_status); | |
1066 | } | |
1067 | ||
5f4ba3e7 PA |
1068 | /* Completer for the pipe command. */ |
1069 | ||
1070 | static void | |
1071 | pipe_command_completer (struct cmd_list_element *ignore, | |
1072 | completion_tracker &tracker, | |
1073 | const char *text, const char *word_ignored) | |
1074 | { | |
1075 | pipe_cmd_opts opts; | |
1076 | ||
1077 | const char *org_text = text; | |
1078 | auto grp = make_pipe_cmd_options_def_group (&opts); | |
1079 | if (gdb::option::complete_options | |
1080 | (tracker, &text, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_OPERAND, grp)) | |
1081 | return; | |
1082 | ||
1083 | const char *delimiter = "|"; | |
1084 | if (opts.delimiter != nullptr) | |
1085 | delimiter = opts.delimiter; | |
1086 | ||
1087 | /* Check if we're past option values already. */ | |
1088 | if (text > org_text && !isspace (text[-1])) | |
1089 | return; | |
1090 | ||
1091 | const char *delim = strstr (text, delimiter); | |
1092 | ||
1093 | /* If we're still not past the delimiter, complete the gdb | |
1094 | command. */ | |
1095 | if (delim == nullptr || delim == text) | |
1096 | { | |
1097 | complete_nested_command_line (tracker, text); | |
1098 | return; | |
1099 | } | |
1100 | ||
1101 | /* We're past the delimiter. What follows is a shell command, which | |
1102 | we don't know how to complete. */ | |
1103 | } | |
1104 | ||
0378c332 | 1105 | static void |
0b39b52e | 1106 | list_command (const char *arg, int from_tty) |
0378c332 | 1107 | { |
0378c332 | 1108 | struct symbol *sym; |
f2fc3015 | 1109 | const char *arg1; |
0378c332 FN |
1110 | int no_end = 1; |
1111 | int dummy_end = 0; | |
1112 | int dummy_beg = 0; | |
1113 | int linenum_beg = 0; | |
0b39b52e | 1114 | const char *p; |
0378c332 | 1115 | |
ebcd3b23 | 1116 | /* Pull in the current default source line if necessary. */ |
a0def019 | 1117 | if (arg == NULL || ((arg[0] == '+' || arg[0] == '-') && arg[1] == '\0')) |
53cb0458 FN |
1118 | { |
1119 | set_default_source_symtab_and_line (); | |
51abb421 | 1120 | symtab_and_line cursal = get_current_source_symtab_and_line (); |
5166082f PA |
1121 | |
1122 | /* If this is the first "list" since we've set the current | |
1123 | source line, center the listing around that line. */ | |
1124 | if (get_first_line_listed () == 0) | |
1125 | { | |
1126 | int first; | |
1127 | ||
325fac50 | 1128 | first = std::max (cursal.line - get_lines_to_list () / 2, 1); |
5166082f PA |
1129 | |
1130 | /* A small special case --- if listing backwards, and we | |
1131 | should list only one line, list the preceding line, | |
1132 | instead of the exact line we've just shown after e.g., | |
1133 | stopping for a breakpoint. */ | |
1134 | if (arg != NULL && arg[0] == '-' | |
1135 | && get_lines_to_list () == 1 && first > 1) | |
1136 | first -= 1; | |
1137 | ||
0e2a2133 | 1138 | print_source_lines (cursal.symtab, source_lines_range (first), 0); |
5166082f | 1139 | } |
0378c332 | 1140 | |
1a48ce76 | 1141 | /* "l" or "l +" lists next ten lines. */ |
a0def019 | 1142 | else if (arg == NULL || arg[0] == '+') |
0e2a2133 AB |
1143 | print_source_lines (cursal.symtab, |
1144 | source_lines_range (cursal.line), 0); | |
0378c332 | 1145 | |
1a48ce76 AB |
1146 | /* "l -" lists previous ten lines, the ones before the ten just |
1147 | listed. */ | |
a0def019 | 1148 | else if (arg[0] == '-') |
3b2464a8 AB |
1149 | { |
1150 | if (get_first_line_listed () == 1) | |
1151 | error (_("Already at the start of %s."), | |
1152 | symtab_to_filename_for_display (cursal.symtab)); | |
0e2a2133 AB |
1153 | source_lines_range range (get_first_line_listed (), |
1154 | source_lines_range::BACKWARD); | |
1155 | print_source_lines (cursal.symtab, range, 0); | |
3b2464a8 | 1156 | } |
0378c332 | 1157 | |
0378c332 FN |
1158 | return; |
1159 | } | |
1160 | ||
1161 | /* Now if there is only one argument, decode it in SAL | |
1162 | and set NO_END. | |
1163 | If there are two arguments, decode them in SAL and SAL_END | |
1164 | and clear NO_END; however, if one of the arguments is blank, | |
1165 | set DUMMY_BEG or DUMMY_END to record that fact. */ | |
1166 | ||
1167 | if (!have_full_symbols () && !have_partial_symbols ()) | |
8a3fe4f8 | 1168 | error (_("No symbol table is loaded. Use the \"file\" command.")); |
0378c332 | 1169 | |
6c5b2ebe | 1170 | std::vector<symtab_and_line> sals; |
51abb421 | 1171 | symtab_and_line sal, sal_end; |
6c5b2ebe | 1172 | |
0378c332 FN |
1173 | arg1 = arg; |
1174 | if (*arg1 == ',') | |
1175 | dummy_beg = 1; | |
1176 | else | |
1177 | { | |
ffc2605c TT |
1178 | event_location_up location = string_to_event_location (&arg1, |
1179 | current_language); | |
1180 | sals = decode_line_1 (location.get (), DECODE_LINE_LIST_MODE, | |
1181 | NULL, NULL, 0); | |
6c5b2ebe PA |
1182 | filter_sals (sals); |
1183 | if (sals.empty ()) | |
f00aae0f KS |
1184 | { |
1185 | /* C++ */ | |
f00aae0f KS |
1186 | return; |
1187 | } | |
0378c332 | 1188 | |
6c5b2ebe | 1189 | sal = sals[0]; |
0378c332 FN |
1190 | } |
1191 | ||
1192 | /* Record whether the BEG arg is all digits. */ | |
1193 | ||
1194 | for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++); | |
1195 | linenum_beg = (p == arg1); | |
1196 | ||
e439fa14 PA |
1197 | /* Save the range of the first argument, in case we need to let the |
1198 | user know it was ambiguous. */ | |
1199 | const char *beg = arg; | |
1200 | size_t beg_len = arg1 - beg; | |
1201 | ||
0378c332 FN |
1202 | while (*arg1 == ' ' || *arg1 == '\t') |
1203 | arg1++; | |
1204 | if (*arg1 == ',') | |
1205 | { | |
1206 | no_end = 0; | |
6c5b2ebe | 1207 | if (sals.size () > 1) |
0d999a6e | 1208 | { |
6c5b2ebe | 1209 | ambiguous_line_spec (sals, |
e439fa14 PA |
1210 | _("Specified first line '%.*s' is ambiguous:\n"), |
1211 | (int) beg_len, beg); | |
0d999a6e ZZ |
1212 | return; |
1213 | } | |
0378c332 FN |
1214 | arg1++; |
1215 | while (*arg1 == ' ' || *arg1 == '\t') | |
1216 | arg1++; | |
1217 | if (*arg1 == 0) | |
1218 | dummy_end = 1; | |
1219 | else | |
1220 | { | |
e439fa14 PA |
1221 | /* Save the last argument, in case we need to let the user |
1222 | know it was ambiguous. */ | |
1223 | const char *end_arg = arg1; | |
1224 | ||
ffc2605c TT |
1225 | event_location_up location |
1226 | = string_to_event_location (&arg1, current_language); | |
f00aae0f | 1227 | |
6c5b2ebe PA |
1228 | std::vector<symtab_and_line> sals_end |
1229 | = (dummy_beg | |
1230 | ? decode_line_1 (location.get (), DECODE_LINE_LIST_MODE, | |
1231 | NULL, NULL, 0) | |
1232 | : decode_line_1 (location.get (), DECODE_LINE_LIST_MODE, | |
1233 | NULL, sal.symtab, sal.line)); | |
1234 | ||
1235 | filter_sals (sals_end); | |
1236 | if (sals_end.empty ()) | |
1237 | return; | |
1238 | if (sals_end.size () > 1) | |
0d999a6e | 1239 | { |
6c5b2ebe | 1240 | ambiguous_line_spec (sals_end, |
e439fa14 PA |
1241 | _("Specified last line '%s' is ambiguous:\n"), |
1242 | end_arg); | |
0378c332 FN |
1243 | return; |
1244 | } | |
6c5b2ebe | 1245 | sal_end = sals_end[0]; |
0378c332 FN |
1246 | } |
1247 | } | |
1248 | ||
1249 | if (*arg1) | |
8a3fe4f8 | 1250 | error (_("Junk at end of line specification.")); |
0378c332 FN |
1251 | |
1252 | if (!no_end && !dummy_beg && !dummy_end | |
1253 | && sal.symtab != sal_end.symtab) | |
e439fa14 | 1254 | error (_("Specified first and last lines are in different files.")); |
0378c332 | 1255 | if (dummy_beg && dummy_end) |
8a3fe4f8 | 1256 | error (_("Two empty args do not say what lines to list.")); |
0378c332 | 1257 | |
ebcd3b23 | 1258 | /* If line was specified by address, |
0378c332 | 1259 | first print exactly which line, and which file. |
ebcd3b23 MS |
1260 | |
1261 | In this case, sal.symtab == 0 means address is outside of all | |
1262 | known source files, not that user failed to give a filename. */ | |
0378c332 FN |
1263 | if (*arg == '*') |
1264 | { | |
5af949e3 | 1265 | struct gdbarch *gdbarch; |
cdb27c12 | 1266 | |
0378c332 | 1267 | if (sal.symtab == 0) |
8a3fe4f8 | 1268 | error (_("No source file for address %s."), |
2b69941d | 1269 | paddress (get_current_arch (), sal.pc)); |
5af949e3 | 1270 | |
08feed99 | 1271 | gdbarch = SYMTAB_OBJFILE (sal.symtab)->arch (); |
0378c332 FN |
1272 | sym = find_pc_function (sal.pc); |
1273 | if (sym) | |
50ee7535 | 1274 | printf_filtered ("%s is in %s (%s:%d).\n", |
5af949e3 | 1275 | paddress (gdbarch, sal.pc), |
987012b8 | 1276 | sym->print_name (), |
05cba821 | 1277 | symtab_to_filename_for_display (sal.symtab), sal.line); |
0378c332 | 1278 | else |
5af949e3 UW |
1279 | printf_filtered ("%s is at %s:%d.\n", |
1280 | paddress (gdbarch, sal.pc), | |
05cba821 | 1281 | symtab_to_filename_for_display (sal.symtab), sal.line); |
0378c332 FN |
1282 | } |
1283 | ||
ebcd3b23 MS |
1284 | /* If line was not specified by just a line number, and it does not |
1285 | imply a symtab, it must be an undebuggable symbol which means no | |
1286 | source code. */ | |
0378c332 FN |
1287 | |
1288 | if (!linenum_beg && sal.symtab == 0) | |
8a3fe4f8 | 1289 | error (_("No line number known for %s."), arg); |
0378c332 FN |
1290 | |
1291 | /* If this command is repeated with RET, | |
1292 | turn it into the no-arg variant. */ | |
1293 | ||
1294 | if (from_tty) | |
85c4be7c | 1295 | set_repeat_arguments (""); |
0378c332 FN |
1296 | |
1297 | if (dummy_beg && sal_end.symtab == 0) | |
8a3fe4f8 | 1298 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 | 1299 | if (dummy_beg) |
0e2a2133 AB |
1300 | { |
1301 | source_lines_range range (sal_end.line + 1, | |
1302 | source_lines_range::BACKWARD); | |
1303 | print_source_lines (sal_end.symtab, range, 0); | |
1304 | } | |
0378c332 | 1305 | else if (sal.symtab == 0) |
8a3fe4f8 | 1306 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
1307 | else if (no_end) |
1308 | { | |
6c5b2ebe | 1309 | for (int i = 0; i < sals.size (); i++) |
0d999a6e | 1310 | { |
6c5b2ebe | 1311 | sal = sals[i]; |
0d999a6e ZZ |
1312 | int first_line = sal.line - get_lines_to_list () / 2; |
1313 | if (first_line < 1) | |
1314 | first_line = 1; | |
6c5b2ebe | 1315 | if (sals.size () > 1) |
06871ae8 | 1316 | print_sal_location (sal); |
0e2a2133 | 1317 | print_source_lines (sal.symtab, source_lines_range (first_line), 0); |
0d999a6e | 1318 | } |
0378c332 | 1319 | } |
0e2a2133 AB |
1320 | else if (dummy_end) |
1321 | print_source_lines (sal.symtab, source_lines_range (sal.line), 0); | |
0378c332 | 1322 | else |
0e2a2133 AB |
1323 | print_source_lines (sal.symtab, |
1324 | source_lines_range (sal.line, (sal_end.line + 1)), | |
0378c332 FN |
1325 | 0); |
1326 | } | |
1327 | ||
d14508fe DE |
1328 | /* Subroutine of disassemble_command to simplify it. |
1329 | Perform the disassembly. | |
1330 | NAME is the name of the function if known, or NULL. | |
1331 | [LOW,HIGH) are the range of addresses to disassemble. | |
e9480230 KB |
1332 | BLOCK is the block to disassemble; it needs to be provided |
1333 | when non-contiguous blocks are disassembled; otherwise | |
1334 | it can be NULL. | |
d14508fe DE |
1335 | MIXED is non-zero to print source with the assembler. */ |
1336 | ||
1337 | static void | |
13274fc3 | 1338 | print_disassembly (struct gdbarch *gdbarch, const char *name, |
9a24775b | 1339 | CORE_ADDR low, CORE_ADDR high, |
e9480230 | 1340 | const struct block *block, |
9a24775b | 1341 | gdb_disassembly_flags flags) |
d14508fe DE |
1342 | { |
1343 | #if defined(TUI) | |
f9ba974d TT |
1344 | if (tui_is_window_visible (DISASSEM_WIN)) |
1345 | tui_show_assembly (gdbarch, low); | |
1346 | else | |
d14508fe DE |
1347 | #endif |
1348 | { | |
1349 | printf_filtered ("Dump of assembler code "); | |
1350 | if (name != NULL) | |
e9480230 KB |
1351 | printf_filtered ("for function %s:\n", name); |
1352 | if (block == nullptr || BLOCK_CONTIGUOUS_P (block)) | |
1353 | { | |
1354 | if (name == NULL) | |
1355 | printf_filtered ("from %s to %s:\n", | |
1356 | paddress (gdbarch, low), paddress (gdbarch, high)); | |
d14508fe | 1357 | |
e9480230 KB |
1358 | /* Dump the specified range. */ |
1359 | gdb_disassembly (gdbarch, current_uiout, flags, -1, low, high); | |
1360 | } | |
1361 | else | |
1362 | { | |
1363 | for (int i = 0; i < BLOCK_NRANGES (block); i++) | |
1364 | { | |
b926417a TT |
1365 | CORE_ADDR range_low = BLOCK_RANGE_START (block, i); |
1366 | CORE_ADDR range_high = BLOCK_RANGE_END (block, i); | |
e9480230 | 1367 | printf_filtered (_("Address range %s to %s:\n"), |
b926417a TT |
1368 | paddress (gdbarch, range_low), |
1369 | paddress (gdbarch, range_high)); | |
1370 | gdb_disassembly (gdbarch, current_uiout, flags, -1, | |
1371 | range_low, range_high); | |
e9480230 KB |
1372 | } |
1373 | } | |
d14508fe | 1374 | printf_filtered ("End of assembler dump.\n"); |
d14508fe | 1375 | } |
d14508fe DE |
1376 | } |
1377 | ||
1378 | /* Subroutine of disassemble_command to simplify it. | |
9c419145 | 1379 | Print a disassembly of the current function according to FLAGS. */ |
d14508fe DE |
1380 | |
1381 | static void | |
9a24775b | 1382 | disassemble_current_function (gdb_disassembly_flags flags) |
d14508fe | 1383 | { |
13274fc3 UW |
1384 | struct frame_info *frame; |
1385 | struct gdbarch *gdbarch; | |
d14508fe | 1386 | CORE_ADDR low, high, pc; |
2c02bd72 | 1387 | const char *name; |
e9480230 | 1388 | const struct block *block; |
d14508fe | 1389 | |
13274fc3 UW |
1390 | frame = get_selected_frame (_("No frame selected.")); |
1391 | gdbarch = get_frame_arch (frame); | |
9bf4bce9 | 1392 | pc = get_frame_address_in_block (frame); |
e9480230 | 1393 | if (find_pc_partial_function (pc, &name, &low, &high, &block) == 0) |
d14508fe DE |
1394 | error (_("No function contains program counter for selected frame.")); |
1395 | #if defined(TUI) | |
1396 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously | |
1397 | `tui_version'. */ | |
1398 | if (tui_active) | |
1399 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1400 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
d14508fe | 1401 | #endif |
13274fc3 | 1402 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
d14508fe | 1403 | |
e9480230 | 1404 | print_disassembly (gdbarch, name, low, high, block, flags); |
d14508fe DE |
1405 | } |
1406 | ||
1407 | /* Dump a specified section of assembly code. | |
1408 | ||
1409 | Usage: | |
6ff0ba5f | 1410 | disassemble [/mrs] |
d14508fe | 1411 | - dump the assembly code for the function of the current pc |
6ff0ba5f | 1412 | disassemble [/mrs] addr |
d14508fe | 1413 | - dump the assembly code for the function at ADDR |
6ff0ba5f DE |
1414 | disassemble [/mrs] low,high |
1415 | disassemble [/mrs] low,+length | |
53a71c06 | 1416 | - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length) |
d14508fe | 1417 | |
6ff0ba5f DE |
1418 | A /m modifier will include source code with the assembly in a |
1419 | "source centric" view. This view lists only the file of the first insn, | |
1420 | even if other source files are involved (e.g., inlined functions), and | |
1421 | the output is in source order, even with optimized code. This view is | |
1422 | considered deprecated as it hasn't been useful in practice. | |
1423 | ||
1424 | A /r modifier will include raw instructions in hex with the assembly. | |
1425 | ||
1426 | A /s modifier will include source code with the assembly, like /m, with | |
1427 | two important differences: | |
1428 | 1) The output is still in pc address order. | |
1429 | 2) File names and contents for all relevant source files are displayed. */ | |
83c31e7d | 1430 | |
83c31e7d | 1431 | static void |
0b39b52e | 1432 | disassemble_command (const char *arg, int from_tty) |
83c31e7d | 1433 | { |
13274fc3 | 1434 | struct gdbarch *gdbarch = get_current_arch (); |
83c31e7d | 1435 | CORE_ADDR low, high; |
2c02bd72 | 1436 | const char *name; |
d36fc00b | 1437 | CORE_ADDR pc; |
9a24775b | 1438 | gdb_disassembly_flags flags; |
bbc13ae3 | 1439 | const char *p; |
e9480230 | 1440 | const struct block *block = nullptr; |
83c31e7d | 1441 | |
bbc13ae3 | 1442 | p = arg; |
83c31e7d | 1443 | name = NULL; |
e6158f16 | 1444 | flags = 0; |
d14508fe | 1445 | |
bbc13ae3 | 1446 | if (p && *p == '/') |
83c31e7d | 1447 | { |
bbc13ae3 | 1448 | ++p; |
d14508fe | 1449 | |
bbc13ae3 | 1450 | if (*p == '\0') |
d14508fe DE |
1451 | error (_("Missing modifier.")); |
1452 | ||
bbc13ae3 | 1453 | while (*p && ! isspace (*p)) |
d14508fe | 1454 | { |
bbc13ae3 | 1455 | switch (*p++) |
d14508fe DE |
1456 | { |
1457 | case 'm': | |
6ff0ba5f | 1458 | flags |= DISASSEMBLY_SOURCE_DEPRECATED; |
e6158f16 HZ |
1459 | break; |
1460 | case 'r': | |
1461 | flags |= DISASSEMBLY_RAW_INSN; | |
d14508fe | 1462 | break; |
6ff0ba5f DE |
1463 | case 's': |
1464 | flags |= DISASSEMBLY_SOURCE; | |
1465 | break; | |
d14508fe DE |
1466 | default: |
1467 | error (_("Invalid disassembly modifier.")); | |
1468 | } | |
1469 | } | |
1470 | ||
f1735a53 | 1471 | p = skip_spaces (p); |
d14508fe DE |
1472 | } |
1473 | ||
6ff0ba5f DE |
1474 | if ((flags & (DISASSEMBLY_SOURCE_DEPRECATED | DISASSEMBLY_SOURCE)) |
1475 | == (DISASSEMBLY_SOURCE_DEPRECATED | DISASSEMBLY_SOURCE)) | |
1476 | error (_("Cannot specify both /m and /s.")); | |
1477 | ||
bbc13ae3 | 1478 | if (! p || ! *p) |
d14508fe | 1479 | { |
9c419145 | 1480 | flags |= DISASSEMBLY_OMIT_FNAME; |
e6158f16 | 1481 | disassemble_current_function (flags); |
d14508fe | 1482 | return; |
83c31e7d | 1483 | } |
d14508fe | 1484 | |
bbc13ae3 KS |
1485 | pc = value_as_address (parse_to_comma_and_eval (&p)); |
1486 | if (p[0] == ',') | |
1487 | ++p; | |
1488 | if (p[0] == '\0') | |
83c31e7d FN |
1489 | { |
1490 | /* One argument. */ | |
e9480230 | 1491 | if (find_pc_partial_function (pc, &name, &low, &high, &block) == 0) |
8a3fe4f8 | 1492 | error (_("No function contains specified address.")); |
83c31e7d | 1493 | #if defined(TUI) |
021e7609 AC |
1494 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously |
1495 | `tui_version'. */ | |
22940a24 AC |
1496 | if (tui_active) |
1497 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1498 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
83c31e7d | 1499 | #endif |
13274fc3 | 1500 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
9c419145 | 1501 | flags |= DISASSEMBLY_OMIT_FNAME; |
83c31e7d FN |
1502 | } |
1503 | else | |
1504 | { | |
1505 | /* Two arguments. */ | |
53a71c06 | 1506 | int incl_flag = 0; |
21a0512e | 1507 | low = pc; |
f1735a53 | 1508 | p = skip_spaces (p); |
bbc13ae3 | 1509 | if (p[0] == '+') |
53a71c06 | 1510 | { |
bbc13ae3 | 1511 | ++p; |
53a71c06 CR |
1512 | incl_flag = 1; |
1513 | } | |
bbc13ae3 | 1514 | high = parse_and_eval_address (p); |
53a71c06 CR |
1515 | if (incl_flag) |
1516 | high += low; | |
83c31e7d FN |
1517 | } |
1518 | ||
e9480230 | 1519 | print_disassembly (gdbarch, name, low, high, block, flags); |
83c31e7d FN |
1520 | } |
1521 | ||
d318976c | 1522 | static void |
0b39b52e | 1523 | make_command (const char *arg, int from_tty) |
d318976c | 1524 | { |
d318976c | 1525 | if (arg == 0) |
be47f9e8 | 1526 | shell_escape ("make", from_tty); |
d318976c FN |
1527 | else |
1528 | { | |
be47f9e8 | 1529 | std::string cmd = std::string ("make ") + arg; |
d318976c | 1530 | |
be47f9e8 PA |
1531 | shell_escape (cmd.c_str (), from_tty); |
1532 | } | |
d318976c FN |
1533 | } |
1534 | ||
d318976c | 1535 | static void |
dede02ce | 1536 | show_user (const char *args, int from_tty) |
d318976c FN |
1537 | { |
1538 | struct cmd_list_element *c; | |
d318976c FN |
1539 | |
1540 | if (args) | |
1541 | { | |
6f937416 | 1542 | const char *comname = args; |
cdb27c12 | 1543 | |
adb483fe | 1544 | c = lookup_cmd (&comname, cmdlist, "", 0, 1); |
a9f116cb | 1545 | if (!cli_user_command_p (c)) |
8a3fe4f8 | 1546 | error (_("Not a user command.")); |
adb483fe | 1547 | show_user_1 (c, "", args, gdb_stdout); |
d318976c FN |
1548 | } |
1549 | else | |
1550 | { | |
1551 | for (c = cmdlist; c; c = c->next) | |
1552 | { | |
a9f116cb | 1553 | if (cli_user_command_p (c) || c->prefixlist != NULL) |
adb483fe | 1554 | show_user_1 (c, "", c->name, gdb_stdout); |
d318976c FN |
1555 | } |
1556 | } | |
1557 | } | |
1558 | ||
1559 | /* Search through names of commands and documentations for a certain | |
ebcd3b23 MS |
1560 | regular expression. */ |
1561 | ||
66d8c862 PW |
1562 | static void |
1563 | apropos_command (const char *arg, int from_tty) | |
d318976c | 1564 | { |
66d8c862 PW |
1565 | bool verbose = arg && check_for_argument (&arg, "-v", 2); |
1566 | ||
66d8c862 | 1567 | if (arg == NULL || *arg == '\0') |
f55af66d | 1568 | error (_("REGEXP string is empty")); |
d318976c | 1569 | |
66d8c862 | 1570 | compiled_regex pattern (arg, REG_ICASE, |
2d7cc5c7 | 1571 | _("Error in regular expression")); |
dc92e161 | 1572 | |
66d8c862 | 1573 | apropos_cmd (gdb_stdout, cmdlist, verbose, pattern, ""); |
d318976c | 1574 | } |
5a56e9c5 DE |
1575 | |
1576 | /* Subroutine of alias_command to simplify it. | |
1577 | Return the first N elements of ARGV flattened back to a string | |
1578 | with a space separating each element. | |
1579 | ARGV may not be NULL. | |
1580 | This does not take care of quoting elements in case they contain spaces | |
1581 | on purpose. */ | |
1582 | ||
a97e29d2 TT |
1583 | static std::string |
1584 | argv_to_string (char **argv, int n) | |
5a56e9c5 DE |
1585 | { |
1586 | int i; | |
a97e29d2 | 1587 | std::string result; |
5a56e9c5 DE |
1588 | |
1589 | gdb_assert (argv != NULL); | |
1590 | gdb_assert (n >= 0 && n <= countargv (argv)); | |
1591 | ||
1592 | for (i = 0; i < n; ++i) | |
1593 | { | |
1594 | if (i > 0) | |
a97e29d2 TT |
1595 | result += " "; |
1596 | result += argv[i]; | |
5a56e9c5 DE |
1597 | } |
1598 | ||
1599 | return result; | |
1600 | } | |
1601 | ||
1602 | /* Subroutine of alias_command to simplify it. | |
6fe87677 | 1603 | Return true if COMMAND exists, unambiguously. Otherwise false. */ |
5a56e9c5 | 1604 | |
6fe87677 | 1605 | static bool |
6f937416 | 1606 | valid_command_p (const char *command) |
5a56e9c5 DE |
1607 | { |
1608 | struct cmd_list_element *c; | |
1609 | ||
1610 | c = lookup_cmd_1 (& command, cmdlist, NULL, 1); | |
1611 | ||
1612 | if (c == NULL || c == (struct cmd_list_element *) -1) | |
6fe87677 | 1613 | return false; |
5a56e9c5 DE |
1614 | |
1615 | /* This is the slightly tricky part. | |
1616 | lookup_cmd_1 will return a pointer to the last part of COMMAND | |
1617 | to match, leaving COMMAND pointing at the remainder. */ | |
1618 | while (*command == ' ' || *command == '\t') | |
1619 | ++command; | |
1620 | return *command == '\0'; | |
1621 | } | |
1622 | ||
7f31862a PA |
1623 | /* Called when "alias" was incorrectly used. */ |
1624 | ||
1625 | static void | |
1626 | alias_usage_error (void) | |
1627 | { | |
1628 | error (_("Usage: alias [-a] [--] ALIAS = COMMAND")); | |
1629 | } | |
1630 | ||
5a56e9c5 DE |
1631 | /* Make an alias of an existing command. */ |
1632 | ||
1633 | static void | |
0b39b52e | 1634 | alias_command (const char *args, int from_tty) |
5a56e9c5 DE |
1635 | { |
1636 | int i, alias_argc, command_argc; | |
1637 | int abbrev_flag = 0; | |
0b39b52e | 1638 | const char *equals; |
a97e29d2 | 1639 | const char *alias, *command; |
5a56e9c5 DE |
1640 | |
1641 | if (args == NULL || strchr (args, '=') == NULL) | |
7f31862a | 1642 | alias_usage_error (); |
5a56e9c5 | 1643 | |
773a1edc TT |
1644 | equals = strchr (args, '='); |
1645 | std::string args2 (args, equals - args); | |
1646 | ||
1647 | gdb_argv built_alias_argv (args2.c_str ()); | |
1648 | gdb_argv command_argv (equals + 1); | |
5a56e9c5 | 1649 | |
773a1edc TT |
1650 | char **alias_argv = built_alias_argv.get (); |
1651 | while (alias_argv[0] != NULL) | |
5a56e9c5 | 1652 | { |
773a1edc | 1653 | if (strcmp (alias_argv[0], "-a") == 0) |
5a56e9c5 DE |
1654 | { |
1655 | ++alias_argv; | |
1656 | abbrev_flag = 1; | |
1657 | } | |
773a1edc | 1658 | else if (strcmp (alias_argv[0], "--") == 0) |
5a56e9c5 DE |
1659 | { |
1660 | ++alias_argv; | |
1661 | break; | |
1662 | } | |
1663 | else | |
1664 | break; | |
1665 | } | |
1666 | ||
1667 | if (alias_argv[0] == NULL || command_argv[0] == NULL | |
1668 | || *alias_argv[0] == '\0' || *command_argv[0] == '\0') | |
7f31862a | 1669 | alias_usage_error (); |
5a56e9c5 DE |
1670 | |
1671 | for (i = 0; alias_argv[i] != NULL; ++i) | |
1672 | { | |
1673 | if (! valid_user_defined_cmd_name_p (alias_argv[i])) | |
1674 | { | |
1675 | if (i == 0) | |
1676 | error (_("Invalid command name: %s"), alias_argv[i]); | |
1677 | else | |
1678 | error (_("Invalid command element name: %s"), alias_argv[i]); | |
1679 | } | |
1680 | } | |
1681 | ||
1682 | alias_argc = countargv (alias_argv); | |
773a1edc | 1683 | command_argc = command_argv.count (); |
5a56e9c5 DE |
1684 | |
1685 | /* COMMAND must exist. | |
1686 | Reconstruct the command to remove any extraneous spaces, | |
1687 | for better error messages. */ | |
773a1edc TT |
1688 | std::string command_string (argv_to_string (command_argv.get (), |
1689 | command_argc)); | |
a97e29d2 | 1690 | command = command_string.c_str (); |
5a56e9c5 DE |
1691 | if (! valid_command_p (command)) |
1692 | error (_("Invalid command to alias to: %s"), command); | |
1693 | ||
1694 | /* ALIAS must not exist. */ | |
a97e29d2 TT |
1695 | std::string alias_string (argv_to_string (alias_argv, alias_argc)); |
1696 | alias = alias_string.c_str (); | |
0605465f PW |
1697 | { |
1698 | cmd_list_element *alias_cmd, *prefix_cmd, *cmd; | |
1699 | ||
1700 | if (lookup_cmd_composition (alias, &alias_cmd, &prefix_cmd, &cmd)) | |
1701 | { | |
1702 | const char *alias_name = alias_argv[alias_argc-1]; | |
1703 | ||
1704 | /* If we found an existing ALIAS_CMD, check that the prefix differ or | |
1705 | the name differ. */ | |
1706 | ||
1707 | if (alias_cmd != nullptr | |
1708 | && alias_cmd->prefix == prefix_cmd | |
1709 | && strcmp (alias_name, alias_cmd->name) == 0) | |
1710 | error (_("Alias already exists: %s"), alias); | |
1711 | ||
1712 | /* Check ALIAS differs from the found CMD. */ | |
1713 | ||
1714 | if (cmd->prefix == prefix_cmd | |
1715 | && strcmp (alias_name, cmd->name) == 0) | |
1716 | error (_("Alias %s is the name of an existing command"), alias); | |
1717 | } | |
1718 | } | |
1719 | ||
5a56e9c5 DE |
1720 | |
1721 | /* If ALIAS is one word, it is an alias for the entire COMMAND. | |
1722 | Example: alias spe = set print elements | |
1723 | ||
1724 | Otherwise ALIAS and COMMAND must have the same number of words, | |
b65b566c PW |
1725 | and every word except the last must identify the same prefix command; |
1726 | and the last word of ALIAS is made an alias of the last word of COMMAND. | |
5a56e9c5 DE |
1727 | Example: alias set print elms = set pr elem |
1728 | Note that unambiguous abbreviations are allowed. */ | |
1729 | ||
1730 | if (alias_argc == 1) | |
1731 | { | |
1732 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
1733 | add_com_alias (xstrdup (alias_argv[0]), command, class_alias, | |
1734 | abbrev_flag); | |
1735 | } | |
1736 | else | |
1737 | { | |
6f937416 | 1738 | const char *alias_prefix, *command_prefix; |
5a56e9c5 DE |
1739 | struct cmd_list_element *c_alias, *c_command; |
1740 | ||
1741 | if (alias_argc != command_argc) | |
1742 | error (_("Mismatched command length between ALIAS and COMMAND.")); | |
1743 | ||
1744 | /* Create copies of ALIAS and COMMAND without the last word, | |
b65b566c PW |
1745 | and use that to verify the leading elements give the same |
1746 | prefix command. */ | |
a97e29d2 TT |
1747 | std::string alias_prefix_string (argv_to_string (alias_argv, |
1748 | alias_argc - 1)); | |
b65b566c | 1749 | std::string command_prefix_string (argv_to_string (command_argv.get (), |
a97e29d2 TT |
1750 | command_argc - 1)); |
1751 | alias_prefix = alias_prefix_string.c_str (); | |
1752 | command_prefix = command_prefix_string.c_str (); | |
5a56e9c5 DE |
1753 | |
1754 | c_command = lookup_cmd_1 (& command_prefix, cmdlist, NULL, 1); | |
1755 | /* We've already tried to look up COMMAND. */ | |
1756 | gdb_assert (c_command != NULL | |
1757 | && c_command != (struct cmd_list_element *) -1); | |
1758 | gdb_assert (c_command->prefixlist != NULL); | |
1759 | c_alias = lookup_cmd_1 (& alias_prefix, cmdlist, NULL, 1); | |
1760 | if (c_alias != c_command) | |
1761 | error (_("ALIAS and COMMAND prefixes do not match.")); | |
1762 | ||
1763 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
1764 | add_alias_cmd (xstrdup (alias_argv[alias_argc - 1]), | |
1765 | command_argv[command_argc - 1], | |
1766 | class_alias, abbrev_flag, c_command->prefixlist); | |
1767 | } | |
1768 | } | |
d318976c | 1769 | \f |
06871ae8 PA |
1770 | /* Print the file / line number / symbol name of the location |
1771 | specified by SAL. */ | |
1772 | ||
1773 | static void | |
1774 | print_sal_location (const symtab_and_line &sal) | |
1775 | { | |
1776 | scoped_restore_current_program_space restore_pspace; | |
1777 | set_current_program_space (sal.pspace); | |
1778 | ||
1779 | const char *sym_name = NULL; | |
1780 | if (sal.symbol != NULL) | |
987012b8 | 1781 | sym_name = sal.symbol->print_name (); |
06871ae8 PA |
1782 | printf_filtered (_("file: \"%s\", line number: %d, symbol: \"%s\"\n"), |
1783 | symtab_to_filename_for_display (sal.symtab), | |
1784 | sal.line, sym_name != NULL ? sym_name : "???"); | |
1785 | } | |
1786 | ||
0378c332 | 1787 | /* Print a list of files and line numbers which a user may choose from |
ebcd3b23 | 1788 | in order to list a function which was specified ambiguously (as |
6c5b2ebe PA |
1789 | with `list classname::overloadedfuncname', for example). The SALS |
1790 | array provides the filenames and line numbers. FORMAT is a | |
1791 | printf-style format string used to tell the user what was | |
e439fa14 | 1792 | ambiguous. */ |
0378c332 FN |
1793 | |
1794 | static void | |
6c5b2ebe PA |
1795 | ambiguous_line_spec (gdb::array_view<const symtab_and_line> sals, |
1796 | const char *format, ...) | |
0378c332 | 1797 | { |
e439fa14 PA |
1798 | va_list ap; |
1799 | va_start (ap, format); | |
1800 | vprintf_filtered (format, ap); | |
1801 | va_end (ap); | |
1802 | ||
6c5b2ebe | 1803 | for (const auto &sal : sals) |
06871ae8 | 1804 | print_sal_location (sal); |
0378c332 FN |
1805 | } |
1806 | ||
6c5b2ebe PA |
1807 | /* Comparison function for filter_sals. Returns a qsort-style |
1808 | result. */ | |
f8eba3c6 TT |
1809 | |
1810 | static int | |
6c5b2ebe | 1811 | cmp_symtabs (const symtab_and_line &sala, const symtab_and_line &salb) |
f8eba3c6 | 1812 | { |
6c5b2ebe PA |
1813 | const char *dira = SYMTAB_DIRNAME (sala.symtab); |
1814 | const char *dirb = SYMTAB_DIRNAME (salb.symtab); | |
f8eba3c6 TT |
1815 | int r; |
1816 | ||
ee6f8984 | 1817 | if (dira == NULL) |
f8eba3c6 | 1818 | { |
ee6f8984 | 1819 | if (dirb != NULL) |
f8eba3c6 TT |
1820 | return -1; |
1821 | } | |
ee6f8984 | 1822 | else if (dirb == NULL) |
f8eba3c6 | 1823 | { |
ee6f8984 | 1824 | if (dira != NULL) |
f8eba3c6 TT |
1825 | return 1; |
1826 | } | |
1827 | else | |
1828 | { | |
ee6f8984 | 1829 | r = filename_cmp (dira, dirb); |
f8eba3c6 TT |
1830 | if (r) |
1831 | return r; | |
1832 | } | |
1833 | ||
6c5b2ebe | 1834 | r = filename_cmp (sala.symtab->filename, salb.symtab->filename); |
f8eba3c6 TT |
1835 | if (r) |
1836 | return r; | |
1837 | ||
6c5b2ebe | 1838 | if (sala.line < salb.line) |
f8eba3c6 | 1839 | return -1; |
6c5b2ebe | 1840 | return sala.line == salb.line ? 0 : 1; |
f8eba3c6 TT |
1841 | } |
1842 | ||
1843 | /* Remove any SALs that do not match the current program space, or | |
1844 | which appear to be "file:line" duplicates. */ | |
1845 | ||
1846 | static void | |
6c5b2ebe | 1847 | filter_sals (std::vector<symtab_and_line> &sals) |
f8eba3c6 | 1848 | { |
6c5b2ebe PA |
1849 | /* Remove SALs that do not match. */ |
1850 | auto from = std::remove_if (sals.begin (), sals.end (), | |
1851 | [&] (const symtab_and_line &sal) | |
1852 | { return (sal.pspace != current_program_space || sal.symtab == NULL); }); | |
1853 | ||
1854 | /* Remove dups. */ | |
1855 | std::sort (sals.begin (), from, | |
1856 | [] (const symtab_and_line &sala, const symtab_and_line &salb) | |
1857 | { return cmp_symtabs (sala, salb) < 0; }); | |
1858 | ||
1859 | from = std::unique (sals.begin (), from, | |
1860 | [&] (const symtab_and_line &sala, | |
1861 | const symtab_and_line &salb) | |
1862 | { return cmp_symtabs (sala, salb) == 0; }); | |
1863 | ||
1864 | sals.erase (from, sals.end ()); | |
f8eba3c6 TT |
1865 | } |
1866 | ||
d318976c FN |
1867 | void |
1868 | init_cmd_lists (void) | |
1869 | { | |
20f01a46 | 1870 | max_user_call_depth = 1024; |
d318976c FN |
1871 | } |
1872 | ||
920d2a44 AC |
1873 | static void |
1874 | show_info_verbose (struct ui_file *file, int from_tty, | |
1875 | struct cmd_list_element *c, | |
1876 | const char *value) | |
1877 | { | |
1878 | if (info_verbose) | |
9a2b4c1b MS |
1879 | fprintf_filtered (file, |
1880 | _("Verbose printing of informational messages is %s.\n"), | |
1881 | value); | |
920d2a44 AC |
1882 | else |
1883 | fprintf_filtered (file, _("Verbosity is %s.\n"), value); | |
1884 | } | |
1885 | ||
1886 | static void | |
1887 | show_history_expansion_p (struct ui_file *file, int from_tty, | |
1888 | struct cmd_list_element *c, const char *value) | |
1889 | { | |
1890 | fprintf_filtered (file, _("History expansion on command input is %s.\n"), | |
1891 | value); | |
1892 | } | |
1893 | ||
920d2a44 AC |
1894 | static void |
1895 | show_remote_debug (struct ui_file *file, int from_tty, | |
1896 | struct cmd_list_element *c, const char *value) | |
1897 | { | |
1898 | fprintf_filtered (file, _("Debugging of remote protocol is %s.\n"), | |
1899 | value); | |
1900 | } | |
1901 | ||
1902 | static void | |
1903 | show_remote_timeout (struct ui_file *file, int from_tty, | |
1904 | struct cmd_list_element *c, const char *value) | |
1905 | { | |
9a2b4c1b MS |
1906 | fprintf_filtered (file, |
1907 | _("Timeout limit to wait for target to respond is %s.\n"), | |
920d2a44 AC |
1908 | value); |
1909 | } | |
1910 | ||
1911 | static void | |
1912 | show_max_user_call_depth (struct ui_file *file, int from_tty, | |
1913 | struct cmd_list_element *c, const char *value) | |
1914 | { | |
9a2b4c1b MS |
1915 | fprintf_filtered (file, |
1916 | _("The max call depth for user-defined commands is %s.\n"), | |
920d2a44 AC |
1917 | value); |
1918 | } | |
1919 | ||
9ad9b77d PW |
1920 | /* Returns the cmd_list_element in SHOWLIST corresponding to the first |
1921 | argument of ARGV, which must contain one single value. | |
1922 | Throws an error if no value provided, or value not correct. | |
1923 | FNNAME is used in the error message. */ | |
1924 | ||
1925 | static cmd_list_element * | |
1926 | setting_cmd (const char *fnname, struct cmd_list_element *showlist, | |
1927 | int argc, struct value **argv) | |
1928 | { | |
1929 | if (argc == 0) | |
1930 | error (_("You must provide an argument to %s"), fnname); | |
1931 | if (argc != 1) | |
1932 | error (_("You can only provide one argument to %s"), fnname); | |
1933 | ||
1934 | struct type *type0 = check_typedef (value_type (argv[0])); | |
1935 | ||
78134374 SM |
1936 | if (type0->code () != TYPE_CODE_ARRAY |
1937 | && type0->code () != TYPE_CODE_STRING) | |
9ad9b77d PW |
1938 | error (_("First argument of %s must be a string."), fnname); |
1939 | ||
1940 | const char *a0 = (const char *) value_contents (argv[0]); | |
1941 | cmd_list_element *cmd = lookup_cmd (&a0, showlist, "", -1, 0); | |
1942 | ||
1943 | if (cmd == nullptr || cmd_type (cmd) != show_cmd) | |
1944 | error (_("First argument of %s must be a " | |
1945 | "valid setting of the 'show' command."), fnname); | |
1946 | ||
1947 | return cmd; | |
1948 | } | |
1949 | ||
1950 | /* Builds a value from the show CMD. */ | |
1951 | ||
1952 | static struct value * | |
1953 | value_from_setting (const cmd_list_element *cmd, struct gdbarch *gdbarch) | |
1954 | { | |
1955 | switch (cmd->var_type) | |
1956 | { | |
1957 | case var_integer: | |
1958 | if (*(int *) cmd->var == INT_MAX) | |
1959 | return value_from_longest (builtin_type (gdbarch)->builtin_int, | |
1960 | 0); | |
1961 | else | |
1962 | return value_from_longest (builtin_type (gdbarch)->builtin_int, | |
1963 | *(int *) cmd->var); | |
1964 | case var_zinteger: | |
1965 | return value_from_longest (builtin_type (gdbarch)->builtin_int, | |
1966 | *(int *) cmd->var); | |
1967 | case var_boolean: | |
1968 | return value_from_longest (builtin_type (gdbarch)->builtin_int, | |
1969 | *(bool *) cmd->var ? 1 : 0); | |
1970 | case var_zuinteger_unlimited: | |
1971 | return value_from_longest (builtin_type (gdbarch)->builtin_int, | |
1972 | *(int *) cmd->var); | |
1973 | case var_auto_boolean: | |
1974 | { | |
1975 | int val; | |
1976 | ||
1977 | switch (*(enum auto_boolean*) cmd->var) | |
1978 | { | |
1979 | case AUTO_BOOLEAN_TRUE: | |
1980 | val = 1; | |
1981 | break; | |
1982 | case AUTO_BOOLEAN_FALSE: | |
1983 | val = 0; | |
1984 | break; | |
1985 | case AUTO_BOOLEAN_AUTO: | |
1986 | val = -1; | |
1987 | break; | |
1988 | default: | |
1989 | gdb_assert_not_reached ("invalid var_auto_boolean"); | |
1990 | } | |
1991 | return value_from_longest (builtin_type (gdbarch)->builtin_int, | |
1992 | val); | |
1993 | } | |
1994 | case var_uinteger: | |
1995 | if (*(unsigned int *) cmd->var == UINT_MAX) | |
1996 | return value_from_ulongest | |
1997 | (builtin_type (gdbarch)->builtin_unsigned_int, 0); | |
1998 | else | |
1999 | return value_from_ulongest | |
2000 | (builtin_type (gdbarch)->builtin_unsigned_int, | |
2001 | *(unsigned int *) cmd->var); | |
2002 | case var_zuinteger: | |
2003 | return value_from_ulongest (builtin_type (gdbarch)->builtin_unsigned_int, | |
2004 | *(unsigned int *) cmd->var); | |
2005 | case var_string: | |
2006 | case var_string_noescape: | |
2007 | case var_optional_filename: | |
2008 | case var_filename: | |
2009 | case var_enum: | |
2010 | if (*(char **) cmd->var) | |
2011 | return value_cstring (*(char **) cmd->var, strlen (*(char **) cmd->var), | |
2012 | builtin_type (gdbarch)->builtin_char); | |
2013 | else | |
2014 | return value_cstring ("", 1, | |
2015 | builtin_type (gdbarch)->builtin_char); | |
2016 | default: | |
2017 | gdb_assert_not_reached ("bad var_type"); | |
2018 | } | |
2019 | } | |
2020 | ||
2021 | /* Implementation of the convenience function $_gdb_setting. */ | |
2022 | ||
2023 | static struct value * | |
2024 | gdb_setting_internal_fn (struct gdbarch *gdbarch, | |
2025 | const struct language_defn *language, | |
2026 | void *cookie, int argc, struct value **argv) | |
2027 | { | |
2028 | return value_from_setting (setting_cmd ("$_gdb_setting", showlist, | |
2029 | argc, argv), | |
2030 | gdbarch); | |
2031 | } | |
2032 | ||
2033 | /* Implementation of the convenience function $_gdb_maint_setting. */ | |
2034 | ||
2035 | static struct value * | |
2036 | gdb_maint_setting_internal_fn (struct gdbarch *gdbarch, | |
2037 | const struct language_defn *language, | |
2038 | void *cookie, int argc, struct value **argv) | |
2039 | { | |
2040 | return value_from_setting (setting_cmd ("$_gdb_maint_setting", | |
2041 | maintenance_show_cmdlist, | |
2042 | argc, argv), | |
2043 | gdbarch); | |
2044 | } | |
2045 | ||
2046 | /* Builds a string value from the show CMD. */ | |
2047 | ||
2048 | static struct value * | |
2049 | str_value_from_setting (const cmd_list_element *cmd, struct gdbarch *gdbarch) | |
2050 | { | |
2051 | switch (cmd->var_type) | |
2052 | { | |
2053 | case var_integer: | |
2054 | case var_zinteger: | |
2055 | case var_boolean: | |
2056 | case var_zuinteger_unlimited: | |
2057 | case var_auto_boolean: | |
2058 | case var_uinteger: | |
2059 | case var_zuinteger: | |
2060 | { | |
2061 | std::string cmd_val = get_setshow_command_value_string (cmd); | |
2062 | ||
2063 | return value_cstring (cmd_val.c_str (), cmd_val.size (), | |
2064 | builtin_type (gdbarch)->builtin_char); | |
2065 | } | |
2066 | ||
2067 | case var_string: | |
2068 | case var_string_noescape: | |
2069 | case var_optional_filename: | |
2070 | case var_filename: | |
2071 | case var_enum: | |
2072 | /* For these cases, we do not use get_setshow_command_value_string, | |
2073 | as this function handle some characters specially, e.g. by | |
2074 | escaping quotes. So, we directly use the cmd->var string value, | |
2075 | similarly to the value_from_setting code for these cases. */ | |
2076 | if (*(char **) cmd->var) | |
2077 | return value_cstring (*(char **) cmd->var, strlen (*(char **) cmd->var), | |
2078 | builtin_type (gdbarch)->builtin_char); | |
2079 | else | |
2080 | return value_cstring ("", 1, | |
2081 | builtin_type (gdbarch)->builtin_char); | |
2082 | ||
2083 | default: | |
2084 | gdb_assert_not_reached ("bad var_type"); | |
2085 | } | |
2086 | } | |
2087 | ||
2088 | /* Implementation of the convenience function $_gdb_setting_str. */ | |
2089 | ||
2090 | static struct value * | |
2091 | gdb_setting_str_internal_fn (struct gdbarch *gdbarch, | |
2092 | const struct language_defn *language, | |
2093 | void *cookie, int argc, struct value **argv) | |
2094 | { | |
2095 | return str_value_from_setting (setting_cmd ("$_gdb_setting_str", | |
2096 | showlist, argc, argv), | |
2097 | gdbarch); | |
2098 | } | |
2099 | ||
2100 | ||
2101 | /* Implementation of the convenience function $_gdb_maint_setting_str. */ | |
2102 | ||
2103 | static struct value * | |
2104 | gdb_maint_setting_str_internal_fn (struct gdbarch *gdbarch, | |
2105 | const struct language_defn *language, | |
2106 | void *cookie, int argc, struct value **argv) | |
2107 | { | |
2108 | return str_value_from_setting (setting_cmd ("$_gdb_maint_setting_str", | |
2109 | maintenance_show_cmdlist, | |
2110 | argc, argv), | |
2111 | gdbarch); | |
2112 | } | |
2113 | ||
6c265988 | 2114 | void _initialize_cli_cmds (); |
d318976c | 2115 | void |
6c265988 | 2116 | _initialize_cli_cmds () |
d318976c FN |
2117 | { |
2118 | struct cmd_list_element *c; | |
2119 | ||
2120 | /* Define the classes of commands. | |
1bfeeb0f | 2121 | They will appear in the help list in alphabetical order. */ |
d318976c | 2122 | |
0450cc4c | 2123 | add_cmd ("internals", class_maintenance, _("\ |
1a966eab | 2124 | Maintenance commands.\n\ |
d318976c FN |
2125 | Some gdb commands are provided just for use by gdb maintainers.\n\ |
2126 | These commands are subject to frequent change, and may not be as\n\ | |
1a966eab | 2127 | well documented as user commands."), |
d318976c | 2128 | &cmdlist); |
0450cc4c TT |
2129 | add_cmd ("obscure", class_obscure, _("Obscure features."), &cmdlist); |
2130 | add_cmd ("aliases", class_alias, | |
9a2b4c1b | 2131 | _("Aliases of other commands."), &cmdlist); |
0450cc4c | 2132 | add_cmd ("user-defined", class_user, _("\ |
1a966eab | 2133 | User-defined commands.\n\ |
d318976c | 2134 | The commands in this class are those defined by the user.\n\ |
1a966eab | 2135 | Use the \"define\" command to define a command."), &cmdlist); |
0450cc4c | 2136 | add_cmd ("support", class_support, _("Support facilities."), &cmdlist); |
d318976c | 2137 | if (!dbx_commands) |
0450cc4c TT |
2138 | add_cmd ("status", class_info, _("Status inquiries."), &cmdlist); |
2139 | add_cmd ("files", class_files, _("Specifying and examining files."), | |
1a966eab | 2140 | &cmdlist); |
0450cc4c | 2141 | add_cmd ("breakpoints", class_breakpoint, |
1a966eab | 2142 | _("Making program stop at certain points."), &cmdlist); |
0450cc4c TT |
2143 | add_cmd ("data", class_vars, _("Examining data."), &cmdlist); |
2144 | add_cmd ("stack", class_stack, _("\ | |
1a966eab | 2145 | Examining the stack.\n\ |
d318976c FN |
2146 | The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\ |
2147 | counting from zero for the innermost (currently executing) frame.\n\n\ | |
2148 | At any time gdb identifies one frame as the \"selected\" frame.\n\ | |
2149 | Variable lookups are done with respect to the selected frame.\n\ | |
2150 | When the program being debugged stops, gdb selects the innermost frame.\n\ | |
1a966eab | 2151 | The commands below can be used to select other frames by number or address."), |
d318976c | 2152 | &cmdlist); |
0450cc4c | 2153 | add_cmd ("running", class_run, _("Running the program."), &cmdlist); |
d318976c | 2154 | |
ebcd3b23 | 2155 | /* Define general commands. */ |
d318976c | 2156 | |
d729566a | 2157 | add_com ("pwd", class_files, pwd_command, _("\ |
590042fc PW |
2158 | Print working directory.\n\ |
2159 | This is used for your program as well.")); | |
4f8d22e3 | 2160 | |
1a966eab | 2161 | c = add_cmd ("cd", class_files, cd_command, _("\ |
d092c5a2 SDJ |
2162 | Set working directory to DIR for debugger.\n\ |
2163 | The debugger's current working directory specifies where scripts and other\n\ | |
2164 | files that can be loaded by GDB are located.\n\ | |
2165 | In order to change the inferior's current working directory, the recommended\n\ | |
2166 | way is to use the \"set cwd\" command."), &cmdlist); | |
5ba2abeb | 2167 | set_cmd_completer (c, filename_completer); |
d318976c | 2168 | |
1bedd215 AC |
2169 | add_com ("echo", class_support, echo_command, _("\ |
2170 | Print a constant string. Give string as argument.\n\ | |
d318976c FN |
2171 | C escape sequences may be used in the argument.\n\ |
2172 | No newline is added at the end of the argument;\n\ | |
2173 | use \"\\n\" if you want a newline to be printed.\n\ | |
2174 | Since leading and trailing whitespace are ignored in command arguments,\n\ | |
2175 | if you want to print some you must use \"\\\" before leading whitespace\n\ | |
1bedd215 | 2176 | to be printed or after trailing whitespace.")); |
d318976c | 2177 | |
973817a3 JB |
2178 | add_setshow_enum_cmd ("script-extension", class_support, |
2179 | script_ext_enums, &script_ext_mode, _("\ | |
2180 | Set mode for script filename extension recognition."), _("\ | |
2181 | Show mode for script filename extension recognition."), _("\ | |
2182 | off == no filename extension recognition (all sourced files are GDB scripts)\n\ | |
2183 | soft == evaluate script according to filename extension, fallback to GDB script" | |
2184 | "\n\ | |
2185 | strict == evaluate script according to filename extension, error if not supported" | |
2186 | ), | |
2187 | NULL, | |
2188 | show_script_ext_mode, | |
2189 | &setlist, &showlist); | |
2190 | ||
bdb52a22 TT |
2191 | add_com ("quit", class_support, quit_command, _("\ |
2192 | Exit gdb.\n\ | |
2193 | Usage: quit [EXPR]\n\ | |
2194 | The optional expression EXPR, if present, is evaluated and the result\n\ | |
2195 | used as GDB's exit code. The default is zero.")); | |
1bedd215 AC |
2196 | c = add_com ("help", class_support, help_command, |
2197 | _("Print list of commands.")); | |
5ba2abeb | 2198 | set_cmd_completer (c, command_completer); |
d318976c FN |
2199 | add_com_alias ("q", "quit", class_support, 1); |
2200 | add_com_alias ("h", "help", class_support, 1); | |
2201 | ||
5bf193a2 AC |
2202 | add_setshow_boolean_cmd ("verbose", class_support, &info_verbose, _("\ |
2203 | Set verbosity."), _("\ | |
2204 | Show verbosity."), NULL, | |
2205 | set_verbose, | |
920d2a44 | 2206 | show_info_verbose, |
5bf193a2 | 2207 | &setlist, &showlist); |
d318976c | 2208 | |
0743fc83 TT |
2209 | add_basic_prefix_cmd ("history", class_support, _("\ |
2210 | Generic command for setting command history parameters."), | |
2211 | &sethistlist, "set history ", 0, &setlist); | |
2212 | add_show_prefix_cmd ("history", class_support, _("\ | |
2213 | Generic command for showing command history parameters."), | |
2214 | &showhistlist, "show history ", 0, &showlist); | |
d318976c | 2215 | |
5bf193a2 AC |
2216 | add_setshow_boolean_cmd ("expansion", no_class, &history_expansion_p, _("\ |
2217 | Set history expansion on command input."), _("\ | |
2218 | Show history expansion on command input."), _("\ | |
2219 | Without an argument, history expansion is enabled."), | |
2220 | NULL, | |
920d2a44 | 2221 | show_history_expansion_p, |
5bf193a2 | 2222 | &sethistlist, &showhistlist); |
d318976c | 2223 | |
4fd6c7e8 | 2224 | add_prefix_cmd ("info", class_info, info_command, _("\ |
1bedd215 | 2225 | Generic command for showing things about the program being debugged."), |
4fd6c7e8 | 2226 | &infolist, "info ", 0, &cmdlist); |
d318976c | 2227 | add_com_alias ("i", "info", class_info, 1); |
a177aad3 | 2228 | add_com_alias ("inf", "info", class_info, 1); |
d318976c FN |
2229 | |
2230 | add_com ("complete", class_obscure, complete_command, | |
1bedd215 | 2231 | _("List the completions for the rest of the line as a command.")); |
d318976c | 2232 | |
a7b9ceb8 | 2233 | c = add_show_prefix_cmd ("show", class_info, _("\ |
700b53b1 | 2234 | Generic command for showing things about the debugger."), |
a7b9ceb8 | 2235 | &showlist, "show ", 0, &cmdlist); |
d318976c | 2236 | /* Another way to get at the same thing. */ |
a7b9ceb8 | 2237 | add_alias_cmd ("set", c, class_info, 0, &infolist); |
d318976c | 2238 | |
fdbc9870 PA |
2239 | c = add_com ("with", class_vars, with_command, _("\ |
2240 | Temporarily set SETTING to VALUE, run COMMAND, and restore SETTING.\n\ | |
2241 | Usage: with SETTING [VALUE] [-- COMMAND]\n\ | |
2242 | Usage: w SETTING [VALUE] [-- COMMAND]\n\ | |
2243 | With no COMMAND, repeats the last executed command.\n\ | |
2244 | \n\ | |
2245 | SETTING is any setting you can change with the \"set\" subcommands.\n\ | |
2246 | E.g.:\n\ | |
2247 | with language pascal -- print obj\n\ | |
2248 | with print elements unlimited -- print obj\n\ | |
2249 | \n\ | |
2250 | You can change multiple settings using nested with, and use\n\ | |
2251 | abbreviations for commands and/or values. E.g.:\n\ | |
2252 | w la p -- w p el u -- p obj")); | |
2253 | set_cmd_completer_handle_brkchars (c, with_command_completer); | |
2254 | add_com_alias ("w", "with", class_vars, 1); | |
2255 | ||
9ad9b77d PW |
2256 | add_internal_function ("_gdb_setting_str", _("\ |
2257 | $_gdb_setting_str - returns the value of a GDB setting as a string.\n\ | |
2258 | Usage: $_gdb_setting_str (setting)\n\ | |
2259 | \n\ | |
2260 | auto-boolean values are \"off\", \"on\", \"auto\".\n\ | |
2261 | boolean values are \"off\", \"on\".\n\ | |
2262 | Some integer settings accept an unlimited value, returned\n\ | |
2263 | as \"unlimited\"."), | |
2264 | gdb_setting_str_internal_fn, NULL); | |
2265 | ||
2266 | add_internal_function ("_gdb_setting", _("\ | |
2267 | $_gdb_setting - returns the value of a GDB setting.\n\ | |
2268 | Usage: $_gdb_setting (setting)\n\ | |
2269 | auto-boolean values are \"off\", \"on\", \"auto\".\n\ | |
2270 | boolean values are \"off\", \"on\".\n\ | |
2271 | Some integer settings accept an unlimited value, returned\n\ | |
2272 | as 0 or -1 depending on the setting."), | |
2273 | gdb_setting_internal_fn, NULL); | |
2274 | ||
2275 | add_internal_function ("_gdb_maint_setting_str", _("\ | |
2276 | $_gdb_maint_setting_str - returns the value of a GDB maintenance setting as a string.\n\ | |
2277 | Usage: $_gdb_maint_setting_str (setting)\n\ | |
2278 | \n\ | |
2279 | auto-boolean values are \"off\", \"on\", \"auto\".\n\ | |
2280 | boolean values are \"off\", \"on\".\n\ | |
2281 | Some integer settings accept an unlimited value, returned\n\ | |
2282 | as \"unlimited\"."), | |
2283 | gdb_maint_setting_str_internal_fn, NULL); | |
2284 | ||
2285 | add_internal_function ("_gdb_maint_setting", _("\ | |
2286 | $_gdb_maint_setting - returns the value of a GDB maintenance setting.\n\ | |
2287 | Usage: $_gdb_maint_setting (setting)\n\ | |
2288 | auto-boolean values are \"off\", \"on\", \"auto\".\n\ | |
2289 | boolean values are \"off\", \"on\".\n\ | |
2290 | Some integer settings accept an unlimited value, returned\n\ | |
2291 | as 0 or -1 depending on the setting."), | |
2292 | gdb_maint_setting_internal_fn, NULL); | |
2293 | ||
db5f229b | 2294 | add_cmd ("commands", no_set_class, show_commands, _("\ |
1a966eab | 2295 | Show the history of commands you typed.\n\ |
d318976c | 2296 | You can supply a command number to start with, or a `+' to start after\n\ |
1a966eab | 2297 | the previous command number shown."), |
d318976c FN |
2298 | &showlist); |
2299 | ||
db5f229b | 2300 | add_cmd ("version", no_set_class, show_version, |
1a966eab | 2301 | _("Show what version of GDB this is."), &showlist); |
d318976c | 2302 | |
6eaaf48b EZ |
2303 | add_cmd ("configuration", no_set_class, show_configuration, |
2304 | _("Show how GDB was configured at build time."), &showlist); | |
2305 | ||
85c07804 AC |
2306 | add_setshow_zinteger_cmd ("remote", no_class, &remote_debug, _("\ |
2307 | Set debugging of remote protocol."), _("\ | |
2308 | Show debugging of remote protocol."), _("\ | |
d318976c | 2309 | When enabled, each packet sent or received with the remote target\n\ |
85c07804 AC |
2310 | is displayed."), |
2311 | NULL, | |
920d2a44 | 2312 | show_remote_debug, |
85c07804 | 2313 | &setdebuglist, &showdebuglist); |
d318976c | 2314 | |
6fc1c773 YQ |
2315 | add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class, |
2316 | &remote_timeout, _("\ | |
c0d88b1b AC |
2317 | Set timeout limit to wait for target to respond."), _("\ |
2318 | Show timeout limit to wait for target to respond."), _("\ | |
d318976c | 2319 | This value is used to set the time limit for gdb to wait for a response\n\ |
c0d88b1b | 2320 | from the target."), |
6fc1c773 YQ |
2321 | NULL, |
2322 | show_remote_timeout, | |
2323 | &setlist, &showlist); | |
d318976c | 2324 | |
0743fc83 TT |
2325 | add_basic_prefix_cmd ("debug", no_class, |
2326 | _("Generic command for setting gdb debugging flags."), | |
2327 | &setdebuglist, "set debug ", 0, &setlist); | |
d318976c | 2328 | |
0743fc83 TT |
2329 | add_show_prefix_cmd ("debug", no_class, |
2330 | _("Generic command for showing gdb debugging flags."), | |
2331 | &showdebuglist, "show debug ", 0, &showlist); | |
d318976c | 2332 | |
be47f9e8 | 2333 | c = add_com ("shell", class_support, shell_command, _("\ |
1bedd215 AC |
2334 | Execute the rest of the line as a shell command.\n\ |
2335 | With no arguments, run an inferior shell.")); | |
5ba2abeb | 2336 | set_cmd_completer (c, filename_completer); |
d318976c | 2337 | |
d563b953 PW |
2338 | add_com_alias ("!", "shell", class_support, 0); |
2339 | ||
1bedd215 AC |
2340 | c = add_com ("edit", class_files, edit_command, _("\ |
2341 | Edit specified file or function.\n\ | |
0378c332 | 2342 | With no argument, edits file containing most recent line listed.\n\ |
0378c332 FN |
2343 | Editing targets can be specified in these ways:\n\ |
2344 | FILE:LINENUM, to edit at that line in that file,\n\ | |
2345 | FUNCTION, to edit at the beginning of that function,\n\ | |
2346 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
2347 | *ADDRESS, to edit at the line containing that address.\n\ | |
1bedd215 | 2348 | Uses EDITOR environment variable contents as editor (or ex as default).")); |
0378c332 FN |
2349 | |
2350 | c->completer = location_completer; | |
2351 | ||
947d3946 PW |
2352 | c = add_com ("pipe", class_support, pipe_command, _("\ |
2353 | Send the output of a gdb command to a shell command.\n\ | |
2354 | Usage: | [COMMAND] | SHELL_COMMAND\n\ | |
2355 | Usage: | -d DELIM COMMAND DELIM SHELL_COMMAND\n\ | |
2356 | Usage: pipe [COMMAND] | SHELL_COMMAND\n\ | |
2357 | Usage: pipe -d DELIM COMMAND DELIM SHELL_COMMAND\n\ | |
2358 | \n\ | |
2359 | Executes COMMAND and sends its output to SHELL_COMMAND.\n\ | |
2360 | \n\ | |
2361 | The -d option indicates to use the string DELIM to separate COMMAND\n\ | |
2362 | from SHELL_COMMAND, in alternative to |. This is useful in\n\ | |
2363 | case COMMAND contains a | character.\n\ | |
2364 | \n\ | |
2365 | With no COMMAND, repeat the last executed command\n\ | |
2366 | and send its output to SHELL_COMMAND.")); | |
5f4ba3e7 | 2367 | set_cmd_completer_handle_brkchars (c, pipe_command_completer); |
947d3946 PW |
2368 | add_com_alias ("|", "pipe", class_support, 0); |
2369 | ||
1bedd215 AC |
2370 | add_com ("list", class_files, list_command, _("\ |
2371 | List specified function or line.\n\ | |
0378c332 FN |
2372 | With no argument, lists ten more lines after or around previous listing.\n\ |
2373 | \"list -\" lists the ten lines before a previous ten-line listing.\n\ | |
2374 | One argument specifies a line, and ten lines are listed around that line.\n\ | |
2375 | Two arguments with comma between specify starting and ending lines to list.\n\ | |
0378c332 FN |
2376 | Lines can be specified in these ways:\n\ |
2377 | LINENUM, to list around that line in current file,\n\ | |
2378 | FILE:LINENUM, to list around that line in that file,\n\ | |
2379 | FUNCTION, to list around beginning of that function,\n\ | |
2380 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
2381 | *ADDRESS, to list around the line containing that address.\n\ | |
4fdd372d AB |
2382 | With two args, if one is empty, it stands for ten lines away from\n\ |
2383 | the other arg.\n\ | |
2384 | \n\ | |
2385 | By default, when a single location is given, display ten lines.\n\ | |
2386 | This can be changed using \"set listsize\", and the current value\n\ | |
2387 | can be shown using \"show listsize\".")); | |
0378c332 | 2388 | |
4f45d445 | 2389 | add_com_alias ("l", "list", class_files, 1); |
0378c332 FN |
2390 | |
2391 | if (dbx_commands) | |
2392 | add_com_alias ("file", "list", class_files, 1); | |
2393 | ||
1bedd215 AC |
2394 | c = add_com ("disassemble", class_vars, disassemble_command, _("\ |
2395 | Disassemble a specified section of memory.\n\ | |
83c31e7d | 2396 | Default is the function surrounding the pc of the selected frame.\n\ |
6ff0ba5f | 2397 | \n\ |
d14508fe | 2398 | With a /m modifier, source lines are included (if available).\n\ |
6ff0ba5f DE |
2399 | This view is \"source centric\": the output is in source line order,\n\ |
2400 | regardless of any optimization that is present. Only the main source file\n\ | |
2401 | is displayed, not those of, e.g., any inlined functions.\n\ | |
2402 | This modifier hasn't proved useful in practice and is deprecated\n\ | |
2403 | in favor of /s.\n\ | |
2404 | \n\ | |
2405 | With a /s modifier, source lines are included (if available).\n\ | |
2406 | This differs from /m in two important respects:\n\ | |
2407 | - the output is still in pc address order, and\n\ | |
2408 | - file names and contents for all relevant source files are displayed.\n\ | |
2409 | \n\ | |
e6158f16 | 2410 | With a /r modifier, raw instructions in hex are included.\n\ |
6ff0ba5f | 2411 | \n\ |
83c31e7d | 2412 | With a single argument, the function surrounding that address is dumped.\n\ |
53a71c06 | 2413 | Two arguments (separated by a comma) are taken as a range of memory to dump,\n\ |
7e1e0340 DE |
2414 | in the form of \"start,end\", or \"start,+length\".\n\ |
2415 | \n\ | |
2416 | Note that the address is interpreted as an expression, not as a location\n\ | |
2417 | like in the \"break\" command.\n\ | |
2418 | So, for example, if you want to disassemble function bar in file foo.c\n\ | |
2419 | you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\".")); | |
83c31e7d | 2420 | set_cmd_completer (c, location_completer); |
0378c332 | 2421 | |
1bedd215 AC |
2422 | c = add_com ("make", class_support, make_command, _("\ |
2423 | Run the ``make'' program using the rest of the line as arguments.")); | |
5ba2abeb | 2424 | set_cmd_completer (c, filename_completer); |
1a966eab | 2425 | add_cmd ("user", no_class, show_user, _("\ |
ed3ef339 | 2426 | Show definitions of non-python/scheme user defined commands.\n\ |
d318976c | 2427 | Argument is the name of the user defined command.\n\ |
1a966eab | 2428 | With no argument, show definitions of all user defined commands."), &showlist); |
66d8c862 | 2429 | add_com ("apropos", class_support, apropos_command, _("\ |
590042fc | 2430 | Search for commands matching a REGEXP.\n\ |
66d8c862 PW |
2431 | Usage: apropos [-v] REGEXP\n\ |
2432 | Flag -v indicates to produce a verbose output, showing full documentation\n\ | |
2433 | of the matching commands.")); | |
20f01a46 | 2434 | |
883b9c6c | 2435 | add_setshow_uinteger_cmd ("max-user-call-depth", no_class, |
c0d88b1b | 2436 | &max_user_call_depth, _("\ |
ed3ef339 DE |
2437 | Set the max call depth for non-python/scheme user-defined commands."), _("\ |
2438 | Show the max call depth for non-python/scheme user-defined commands."), NULL, | |
883b9c6c YQ |
2439 | NULL, |
2440 | show_max_user_call_depth, | |
2441 | &setlist, &showlist); | |
16026cd7 AS |
2442 | |
2443 | add_setshow_boolean_cmd ("trace-commands", no_class, &trace_commands, _("\ | |
2444 | Set tracing of GDB CLI commands."), _("\ | |
2445 | Show state of GDB CLI command tracing."), _("\ | |
2446 | When 'on', each command is displayed as it is executed."), | |
2447 | NULL, | |
2448 | NULL, | |
2449 | &setlist, &showlist); | |
5a56e9c5 DE |
2450 | |
2451 | c = add_com ("alias", class_support, alias_command, _("\ | |
2452 | Define a new command that is an alias of an existing command.\n\ | |
2453 | Usage: alias [-a] [--] ALIAS = COMMAND\n\ | |
2454 | ALIAS is the name of the alias command to create.\n\ | |
2455 | COMMAND is the command being aliased to.\n\ | |
2456 | If \"-a\" is specified, the command is an abbreviation,\n\ | |
3b3aaacb | 2457 | and will not be used in command completion.\n\ |
5a56e9c5 DE |
2458 | \n\ |
2459 | Examples:\n\ | |
2460 | Make \"spe\" an alias of \"set print elements\":\n\ | |
2461 | alias spe = set print elements\n\ | |
2462 | Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\ | |
2463 | alias -a set print elms = set print elements")); | |
43e4916f | 2464 | |
b777eb6d | 2465 | const char *source_help_text = xstrprintf (_("\ |
43e4916f TT |
2466 | Read commands from a file named FILE.\n\ |
2467 | \n\ | |
2468 | Usage: source [-s] [-v] FILE\n\ | |
2469 | -s: search for the script in the source search path,\n\ | |
2470 | even if FILE contains directories.\n\ | |
2471 | -v: each command in FILE is echoed as it is executed.\n\ | |
2472 | \n\ | |
2473 | Note that the file \"%s\" is read automatically in this way\n\ | |
b777eb6d | 2474 | when GDB is started."), GDBINIT); |
43e4916f TT |
2475 | c = add_cmd ("source", class_support, source_command, |
2476 | source_help_text, &cmdlist); | |
2477 | set_cmd_completer (c, filename_completer); | |
2478 | } |