Commit | Line | Data |
---|---|---|
d318976c | 1 | /* GDB CLI commands. |
8926118c | 2 | |
42a4f53d | 3 | Copyright (C) 2000-2019 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 AC |
22 | #include "readline/readline.h" |
23 | #include "readline/tilde.h" | |
d318976c | 24 | #include "completer.h" |
ebcd3b23 | 25 | #include "target.h" /* For baud_rate, remote_debug and remote_timeout. */ |
268a13a5 | 26 | #include "gdbsupport/gdb_wait.h" /* For shell escape implementation. */ |
947d3946 | 27 | #include "gdbcmd.h" |
ebcd3b23 | 28 | #include "gdb_regex.h" /* Used by apropos_command. */ |
325ed089 | 29 | #include "gdb_vfork.h" |
0378c332 FN |
30 | #include "linespec.h" |
31 | #include "expression.h" | |
83c31e7d FN |
32 | #include "frame.h" |
33 | #include "value.h" | |
0378c332 | 34 | #include "language.h" |
ebcd3b23 | 35 | #include "filenames.h" /* For DOSish file names. */ |
0378c332 FN |
36 | #include "objfiles.h" |
37 | #include "source.h" | |
83c31e7d | 38 | #include "disasm.h" |
33da3f1c | 39 | #include "tracepoint.h" |
268a13a5 | 40 | #include "gdbsupport/filestuff.h" |
f00aae0f | 41 | #include "location.h" |
e9480230 | 42 | #include "block.h" |
d318976c | 43 | |
d318976c | 44 | #include "ui-out.h" |
947d3946 | 45 | #include "interps.h" |
d318976c FN |
46 | |
47 | #include "top.h" | |
48 | #include "cli/cli-decode.h" | |
49 | #include "cli/cli-script.h" | |
50 | #include "cli/cli-setshow.h" | |
51 | #include "cli/cli-cmds.h" | |
14309bb6 | 52 | #include "cli/cli-style.h" |
529480d0 | 53 | #include "cli/cli-utils.h" |
d318976c | 54 | |
6dddc817 | 55 | #include "extension.h" |
268a13a5 | 56 | #include "gdbsupport/pathstuff.h" |
973817a3 | 57 | |
6a83354a | 58 | #ifdef TUI |
ebcd3b23 | 59 | #include "tui/tui.h" /* For tui_active et.al. */ |
6a83354a AC |
60 | #endif |
61 | ||
4b505b12 | 62 | #include <fcntl.h> |
325fac50 | 63 | #include <algorithm> |
a97e29d2 | 64 | #include <string> |
4b505b12 | 65 | |
0378c332 FN |
66 | /* Prototypes for local utility functions */ |
67 | ||
06871ae8 PA |
68 | static void print_sal_location (const symtab_and_line &sal); |
69 | ||
6c5b2ebe | 70 | static void ambiguous_line_spec (gdb::array_view<const symtab_and_line> sals, |
e439fa14 PA |
71 | const char *format, ...) |
72 | ATTRIBUTE_PRINTF (2, 3); | |
f8eba3c6 | 73 | |
6c5b2ebe | 74 | static void filter_sals (std::vector<symtab_and_line> &); |
f8eba3c6 | 75 | |
d318976c | 76 | \f |
20f01a46 | 77 | /* Limit the call depth of user-defined commands */ |
883b9c6c | 78 | unsigned int max_user_call_depth; |
20f01a46 | 79 | |
d318976c FN |
80 | /* Define all cmd_list_elements. */ |
81 | ||
82 | /* Chain containing all defined commands. */ | |
83 | ||
84 | struct cmd_list_element *cmdlist; | |
85 | ||
86 | /* Chain containing all defined info subcommands. */ | |
87 | ||
88 | struct cmd_list_element *infolist; | |
89 | ||
ebcd3b23 | 90 | /* Chain containing all defined enable subcommands. */ |
d318976c FN |
91 | |
92 | struct cmd_list_element *enablelist; | |
93 | ||
ebcd3b23 | 94 | /* Chain containing all defined disable subcommands. */ |
d318976c FN |
95 | |
96 | struct cmd_list_element *disablelist; | |
97 | ||
ebcd3b23 | 98 | /* Chain containing all defined stop subcommands. */ |
d318976c FN |
99 | |
100 | struct cmd_list_element *stoplist; | |
101 | ||
ebcd3b23 | 102 | /* Chain containing all defined delete subcommands. */ |
d318976c FN |
103 | |
104 | struct cmd_list_element *deletelist; | |
105 | ||
ebcd3b23 | 106 | /* Chain containing all defined detach subcommands. */ |
f73adfeb AS |
107 | |
108 | struct cmd_list_element *detachlist; | |
109 | ||
ebcd3b23 | 110 | /* Chain containing all defined kill subcommands. */ |
2277426b PA |
111 | |
112 | struct cmd_list_element *killlist; | |
113 | ||
d318976c FN |
114 | /* Chain containing all defined set subcommands */ |
115 | ||
116 | struct cmd_list_element *setlist; | |
117 | ||
118 | /* Chain containing all defined unset subcommands */ | |
119 | ||
120 | struct cmd_list_element *unsetlist; | |
121 | ||
122 | /* Chain containing all defined show subcommands. */ | |
123 | ||
124 | struct cmd_list_element *showlist; | |
125 | ||
126 | /* Chain containing all defined \"set history\". */ | |
127 | ||
128 | struct cmd_list_element *sethistlist; | |
129 | ||
130 | /* Chain containing all defined \"show history\". */ | |
131 | ||
132 | struct cmd_list_element *showhistlist; | |
133 | ||
134 | /* Chain containing all defined \"unset history\". */ | |
135 | ||
136 | struct cmd_list_element *unsethistlist; | |
137 | ||
ebcd3b23 | 138 | /* Chain containing all defined maintenance subcommands. */ |
d318976c FN |
139 | |
140 | struct cmd_list_element *maintenancelist; | |
141 | ||
ebcd3b23 | 142 | /* Chain containing all defined "maintenance info" subcommands. */ |
d318976c FN |
143 | |
144 | struct cmd_list_element *maintenanceinfolist; | |
145 | ||
ebcd3b23 | 146 | /* Chain containing all defined "maintenance print" subcommands. */ |
d318976c FN |
147 | |
148 | struct cmd_list_element *maintenanceprintlist; | |
149 | ||
27d41eac YQ |
150 | /* Chain containing all defined "maintenance check" subcommands. */ |
151 | ||
152 | struct cmd_list_element *maintenancechecklist; | |
153 | ||
d318976c FN |
154 | struct cmd_list_element *setprintlist; |
155 | ||
156 | struct cmd_list_element *showprintlist; | |
157 | ||
158 | struct cmd_list_element *setdebuglist; | |
159 | ||
160 | struct cmd_list_element *showdebuglist; | |
161 | ||
162 | struct cmd_list_element *setchecklist; | |
163 | ||
164 | struct cmd_list_element *showchecklist; | |
16026cd7 AS |
165 | |
166 | /* Command tracing state. */ | |
167 | ||
168 | int source_verbose = 0; | |
491144b5 | 169 | bool trace_commands = false; |
d318976c | 170 | \f |
973817a3 JB |
171 | /* 'script-extension' option support. */ |
172 | ||
173 | static const char script_ext_off[] = "off"; | |
174 | static const char script_ext_soft[] = "soft"; | |
175 | static const char script_ext_strict[] = "strict"; | |
176 | ||
40478521 | 177 | static const char *const script_ext_enums[] = { |
973817a3 JB |
178 | script_ext_off, |
179 | script_ext_soft, | |
180 | script_ext_strict, | |
181 | NULL | |
182 | }; | |
183 | ||
184 | static const char *script_ext_mode = script_ext_soft; | |
185 | \f | |
d318976c | 186 | /* Utility used everywhere when at least one argument is needed and |
ebcd3b23 | 187 | none is supplied. */ |
d318976c FN |
188 | |
189 | void | |
5b10184c | 190 | error_no_arg (const char *why) |
d318976c | 191 | { |
8a3fe4f8 | 192 | error (_("Argument required (%s)."), why); |
d318976c FN |
193 | } |
194 | ||
195 | /* The "info" command is defined as a prefix, with allow_unknown = 0. | |
ebcd3b23 MS |
196 | Therefore, its own definition is called only for "info" with no |
197 | args. */ | |
d318976c | 198 | |
d318976c | 199 | static void |
981a3fb3 | 200 | info_command (const char *arg, int from_tty) |
d318976c | 201 | { |
9a2b4c1b MS |
202 | printf_unfiltered (_("\"info\" must be followed by " |
203 | "the name of an info command.\n")); | |
635c7e8a | 204 | help_list (infolist, "info ", all_commands, gdb_stdout); |
d318976c FN |
205 | } |
206 | ||
207 | /* The "show" command with no arguments shows all the settings. */ | |
208 | ||
981a3fb3 TT |
209 | static void |
210 | show_command (const char *arg, int from_tty) | |
211 | { | |
212 | cmd_show_list (showlist, from_tty, ""); | |
213 | } | |
214 | ||
fdbc9870 PA |
215 | /* See cli/cli-cmds.h. */ |
216 | ||
217 | void | |
218 | with_command_1 (const char *set_cmd_prefix, | |
219 | cmd_list_element *setlist, const char *args, int from_tty) | |
220 | { | |
26c957f1 PA |
221 | if (args == nullptr) |
222 | error (_("Missing arguments.")); | |
223 | ||
fdbc9870 PA |
224 | const char *delim = strstr (args, "--"); |
225 | const char *nested_cmd = nullptr; | |
226 | ||
227 | if (delim == args) | |
228 | error (_("Missing setting before '--' delimiter")); | |
229 | ||
230 | if (delim == nullptr || *skip_spaces (&delim[2]) == '\0') | |
231 | nested_cmd = repeat_previous (); | |
232 | ||
233 | cmd_list_element *set_cmd = lookup_cmd (&args, setlist, set_cmd_prefix, | |
234 | /*allow_unknown=*/ 0, | |
235 | /*ignore_help_classes=*/ 1); | |
236 | gdb_assert (set_cmd != nullptr); | |
237 | ||
238 | if (set_cmd->var == nullptr) | |
239 | error (_("Cannot use this setting with the \"with\" command")); | |
240 | ||
241 | std::string temp_value | |
242 | = (delim == nullptr ? args : std::string (args, delim - args)); | |
243 | ||
244 | if (nested_cmd == nullptr) | |
245 | nested_cmd = skip_spaces (delim + 2); | |
246 | ||
247 | std::string org_value = get_setshow_command_value_string (set_cmd); | |
248 | ||
249 | /* Tweak the setting to the new temporary value. */ | |
250 | do_set_command (temp_value.c_str (), from_tty, set_cmd); | |
251 | ||
252 | try | |
253 | { | |
254 | scoped_restore save_async = make_scoped_restore (¤t_ui->async, 0); | |
255 | ||
256 | /* Execute the nested command. */ | |
257 | execute_command (nested_cmd, from_tty); | |
258 | } | |
259 | catch (const gdb_exception &ex) | |
260 | { | |
261 | /* Restore the setting and rethrow. If restoring the setting | |
262 | throws, swallow the new exception and warn. There's nothing | |
263 | else we can reasonably do. */ | |
264 | try | |
265 | { | |
266 | do_set_command (org_value.c_str (), from_tty, set_cmd); | |
267 | } | |
268 | catch (const gdb_exception &ex2) | |
269 | { | |
270 | warning (_("Couldn't restore setting: %s"), ex2.what ()); | |
271 | } | |
272 | ||
273 | throw; | |
274 | } | |
275 | ||
276 | /* Restore the setting. */ | |
277 | do_set_command (org_value.c_str (), from_tty, set_cmd); | |
278 | } | |
279 | ||
280 | /* See cli/cli-cmds.h. */ | |
281 | ||
282 | void | |
283 | with_command_completer_1 (const char *set_cmd_prefix, | |
284 | completion_tracker &tracker, | |
285 | const char *text) | |
286 | { | |
287 | tracker.set_use_custom_word_point (true); | |
288 | ||
289 | const char *delim = strstr (text, "--"); | |
290 | ||
291 | /* If we're still not past the "--" delimiter, complete the "with" | |
292 | command as if it was a "set" command. */ | |
293 | if (delim == text | |
294 | || delim == nullptr | |
295 | || !isspace (delim[-1]) | |
296 | || !(isspace (delim[2]) || delim[2] == '\0')) | |
297 | { | |
298 | std::string new_text = std::string (set_cmd_prefix) + text; | |
299 | tracker.advance_custom_word_point_by (-(int) strlen (set_cmd_prefix)); | |
300 | complete_nested_command_line (tracker, new_text.c_str ()); | |
301 | return; | |
302 | } | |
303 | ||
304 | /* We're past the "--" delimiter. Complete on the sub command. */ | |
305 | const char *nested_cmd = skip_spaces (delim + 2); | |
306 | tracker.advance_custom_word_point_by (nested_cmd - text); | |
307 | complete_nested_command_line (tracker, nested_cmd); | |
308 | } | |
309 | ||
310 | /* The "with" command. */ | |
311 | ||
312 | static void | |
313 | with_command (const char *args, int from_tty) | |
314 | { | |
315 | with_command_1 ("set ", setlist, args, from_tty); | |
316 | } | |
317 | ||
318 | /* "with" command completer. */ | |
319 | ||
320 | static void | |
321 | with_command_completer (struct cmd_list_element *ignore, | |
322 | completion_tracker &tracker, | |
323 | const char *text, const char * /*word*/) | |
324 | { | |
325 | with_command_completer_1 ("set ", tracker, text); | |
326 | } | |
327 | ||
d318976c FN |
328 | \f |
329 | /* Provide documentation on command or list given by COMMAND. FROM_TTY | |
330 | is ignored. */ | |
331 | ||
d318976c | 332 | static void |
0b39b52e | 333 | help_command (const char *command, int from_tty) |
d318976c FN |
334 | { |
335 | help_cmd (command, gdb_stdout); | |
336 | } | |
337 | \f | |
eb3ff9a5 | 338 | |
ef0b411a GB |
339 | /* Note: The "complete" command is used by Emacs to implement completion. |
340 | [Is that why this function writes output with *_unfiltered?] */ | |
d318976c | 341 | |
d318976c | 342 | static void |
0b39b52e | 343 | complete_command (const char *arg, int from_tty) |
d318976c | 344 | { |
d318976c FN |
345 | dont_repeat (); |
346 | ||
ef0b411a GB |
347 | if (max_completions == 0) |
348 | { | |
349 | /* Only print this for non-mi frontends. An MI frontend may not | |
350 | be able to handle this. */ | |
112e8700 | 351 | if (!current_uiout->is_mi_like_p ()) |
ef0b411a GB |
352 | { |
353 | printf_unfiltered (_("max-completions is zero," | |
354 | " completion is disabled.\n")); | |
355 | } | |
356 | return; | |
357 | } | |
358 | ||
d318976c FN |
359 | if (arg == NULL) |
360 | arg = ""; | |
d9b52655 | 361 | |
6a2c1b87 PA |
362 | int quote_char = '\0'; |
363 | const char *word; | |
364 | ||
6e035501 | 365 | completion_result result = complete (arg, &word, "e_char); |
eb3ff9a5 | 366 | |
eb3ff9a5 PA |
367 | if (result.number_matches != 0) |
368 | { | |
fb7806c7 TV |
369 | std::string arg_prefix (arg, word - arg); |
370 | ||
eb3ff9a5 PA |
371 | if (result.number_matches == 1) |
372 | printf_unfiltered ("%s%s\n", arg_prefix.c_str (), result.match_list[0]); | |
373 | else | |
83d31a92 | 374 | { |
eb3ff9a5 PA |
375 | result.sort_match_list (); |
376 | ||
377 | for (size_t i = 0; i < result.number_matches; i++) | |
83d31a92 | 378 | { |
eb3ff9a5 PA |
379 | printf_unfiltered ("%s%s", |
380 | arg_prefix.c_str (), | |
381 | result.match_list[i + 1]); | |
6a2c1b87 PA |
382 | if (quote_char) |
383 | printf_unfiltered ("%c", quote_char); | |
eb3ff9a5 | 384 | printf_unfiltered ("\n"); |
83d31a92 | 385 | } |
83d31a92 TT |
386 | } |
387 | ||
eb3ff9a5 | 388 | if (result.number_matches == max_completions) |
ef0b411a | 389 | { |
6a2c1b87 | 390 | /* ARG_PREFIX and WORD are included in the output so that emacs |
ef0b411a GB |
391 | will include the message in the output. */ |
392 | printf_unfiltered (_("%s%s %s\n"), | |
6a2c1b87 | 393 | arg_prefix.c_str (), word, |
ef0b411a GB |
394 | get_max_completions_reached_message ()); |
395 | } | |
d318976c FN |
396 | } |
397 | } | |
398 | ||
bbaca940 AC |
399 | int |
400 | is_complete_command (struct cmd_list_element *c) | |
d318976c | 401 | { |
bbaca940 | 402 | return cmd_cfunc_eq (c, complete_command); |
d318976c FN |
403 | } |
404 | ||
d318976c | 405 | static void |
dede02ce | 406 | show_version (const char *args, int from_tty) |
d318976c | 407 | { |
c61b06a1 | 408 | print_gdb_version (gdb_stdout, true); |
d318976c | 409 | printf_filtered ("\n"); |
d318976c FN |
410 | } |
411 | ||
6eaaf48b | 412 | static void |
dede02ce | 413 | show_configuration (const char *args, int from_tty) |
6eaaf48b EZ |
414 | { |
415 | print_gdb_configuration (gdb_stdout); | |
416 | } | |
417 | ||
d318976c FN |
418 | /* Handle the quit command. */ |
419 | ||
420 | void | |
0b39b52e | 421 | quit_command (const char *args, int from_tty) |
d318976c | 422 | { |
36cf1806 TT |
423 | int exit_code = 0; |
424 | ||
425 | /* An optional expression may be used to cause gdb to terminate with | |
426 | the value of that expression. */ | |
427 | if (args) | |
428 | { | |
429 | struct value *val = parse_and_eval (args); | |
430 | ||
431 | exit_code = (int) value_as_long (val); | |
432 | } | |
433 | ||
d318976c | 434 | if (!quit_confirm ()) |
8a3fe4f8 | 435 | error (_("Not confirmed.")); |
d5551862 | 436 | |
2f9d54cf | 437 | query_if_trace_running (from_tty); |
d5551862 | 438 | |
36cf1806 | 439 | quit_force (args ? &exit_code : NULL, from_tty); |
d318976c FN |
440 | } |
441 | ||
d318976c | 442 | static void |
0b39b52e | 443 | pwd_command (const char *args, int from_tty) |
d318976c FN |
444 | { |
445 | if (args) | |
8a3fe4f8 | 446 | error (_("The \"pwd\" command does not take an argument: %s"), args); |
43573013 SDJ |
447 | |
448 | gdb::unique_xmalloc_ptr<char> cwd (getcwd (NULL, 0)); | |
449 | ||
450 | if (cwd == NULL) | |
bf1d7d9c JB |
451 | error (_("Error finding name of working directory: %s"), |
452 | safe_strerror (errno)); | |
d318976c | 453 | |
43573013 | 454 | if (strcmp (cwd.get (), current_directory) != 0) |
14309bb6 TT |
455 | printf_unfiltered (_("Working directory %ps\n (canonically %ps).\n"), |
456 | styled_string (file_name_style.style (), | |
457 | current_directory), | |
458 | styled_string (file_name_style.style (), cwd.get ())); | |
d318976c | 459 | else |
14309bb6 TT |
460 | printf_unfiltered (_("Working directory %ps.\n"), |
461 | styled_string (file_name_style.style (), | |
462 | current_directory)); | |
d318976c FN |
463 | } |
464 | ||
465 | void | |
5e93d4c6 | 466 | cd_command (const char *dir, int from_tty) |
d318976c FN |
467 | { |
468 | int len; | |
469 | /* Found something other than leading repetitions of "/..". */ | |
470 | int found_real_path; | |
471 | char *p; | |
472 | ||
473 | /* If the new directory is absolute, repeat is a no-op; if relative, | |
474 | repeat might be useful but is more likely to be a mistake. */ | |
475 | dont_repeat (); | |
476 | ||
6eecf35f TT |
477 | gdb::unique_xmalloc_ptr<char> dir_holder |
478 | (tilde_expand (dir != NULL ? dir : "~")); | |
479 | dir = dir_holder.get (); | |
d318976c FN |
480 | |
481 | if (chdir (dir) < 0) | |
482 | perror_with_name (dir); | |
483 | ||
c3690141 | 484 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
d318976c FN |
485 | /* There's too much mess with DOSish names like "d:", "d:.", |
486 | "d:./foo" etc. Instead of having lots of special #ifdef'ed code, | |
487 | simply get the canonicalized name of the current directory. */ | |
43573013 SDJ |
488 | gdb::unique_xmalloc_ptr<char> cwd (getcwd (NULL, 0)); |
489 | dir = cwd.get (); | |
d318976c FN |
490 | #endif |
491 | ||
492 | len = strlen (dir); | |
fe4e3eb8 | 493 | if (IS_DIR_SEPARATOR (dir[len - 1])) |
d318976c FN |
494 | { |
495 | /* Remove the trailing slash unless this is a root directory | |
496 | (including a drive letter on non-Unix systems). */ | |
497 | if (!(len == 1) /* "/" */ | |
c3690141 | 498 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
fe4e3eb8 | 499 | && !(len == 3 && dir[1] == ':') /* "d:/" */ |
d318976c FN |
500 | #endif |
501 | ) | |
502 | len--; | |
503 | } | |
504 | ||
6eecf35f TT |
505 | dir_holder.reset (savestring (dir, len)); |
506 | if (IS_ABSOLUTE_PATH (dir_holder.get ())) | |
43573013 SDJ |
507 | { |
508 | xfree (current_directory); | |
509 | current_directory = dir_holder.release (); | |
510 | } | |
d318976c FN |
511 | else |
512 | { | |
fe4e3eb8 | 513 | if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1])) |
6eecf35f TT |
514 | current_directory = concat (current_directory, dir_holder.get (), |
515 | (char *) NULL); | |
d318976c | 516 | else |
1754f103 | 517 | current_directory = concat (current_directory, SLASH_STRING, |
6eecf35f | 518 | dir_holder.get (), (char *) NULL); |
d318976c FN |
519 | } |
520 | ||
521 | /* Now simplify any occurrences of `.' and `..' in the pathname. */ | |
522 | ||
523 | found_real_path = 0; | |
524 | for (p = current_directory; *p;) | |
525 | { | |
fe4e3eb8 EZ |
526 | if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' |
527 | && (p[2] == 0 || IS_DIR_SEPARATOR (p[2]))) | |
b2a3b509 | 528 | memmove (p, p + 2, strlen (p + 2) + 1); |
fe4e3eb8 EZ |
529 | else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.' |
530 | && (p[3] == 0 || IS_DIR_SEPARATOR (p[3]))) | |
d318976c FN |
531 | { |
532 | if (found_real_path) | |
533 | { | |
534 | /* Search backwards for the directory just before the "/.." | |
535 | and obliterate it and the "/..". */ | |
536 | char *q = p; | |
cdb27c12 | 537 | |
fe4e3eb8 | 538 | while (q != current_directory && !IS_DIR_SEPARATOR (q[-1])) |
d318976c FN |
539 | --q; |
540 | ||
541 | if (q == current_directory) | |
542 | /* current_directory is | |
543 | a relative pathname ("can't happen"--leave it alone). */ | |
544 | ++p; | |
545 | else | |
546 | { | |
b2a3b509 | 547 | memmove (q - 1, p + 3, strlen (p + 3) + 1); |
d318976c FN |
548 | p = q - 1; |
549 | } | |
550 | } | |
551 | else | |
ebcd3b23 MS |
552 | /* We are dealing with leading repetitions of "/..", for |
553 | example "/../..", which is the Mach super-root. */ | |
d318976c FN |
554 | p += 3; |
555 | } | |
556 | else | |
557 | { | |
558 | found_real_path = 1; | |
559 | ++p; | |
560 | } | |
561 | } | |
562 | ||
563 | forget_cached_source_info (); | |
564 | ||
565 | if (from_tty) | |
566 | pwd_command ((char *) 0, 1); | |
567 | } | |
568 | \f | |
973817a3 JB |
569 | /* Show the current value of the 'script-extension' option. */ |
570 | ||
571 | static void | |
572 | show_script_ext_mode (struct ui_file *file, int from_tty, | |
573 | struct cmd_list_element *c, const char *value) | |
d318976c | 574 | { |
9a2b4c1b MS |
575 | fprintf_filtered (file, |
576 | _("Script filename extension recognition is \"%s\".\n"), | |
973817a3 JB |
577 | value); |
578 | } | |
579 | ||
3f7b2faa DE |
580 | /* Try to open SCRIPT_FILE. |
581 | If successful, the full path name is stored in *FULL_PATHP, | |
ed166945 TT |
582 | and the stream is returned. |
583 | If not successful, return NULL; errno is set for the last file | |
3f7b2faa DE |
584 | we tried to open. |
585 | ||
586 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
f5b95b50 | 587 | search for it in the source search path. */ |
3f7b2faa | 588 | |
ed166945 TT |
589 | gdb::optional<open_script> |
590 | find_and_open_script (const char *script_file, int search_path) | |
973817a3 | 591 | { |
4b505b12 | 592 | int fd; |
24b9144d | 593 | openp_flags search_flags = OPF_TRY_CWD_FIRST | OPF_RETURN_REALPATH; |
ed166945 | 594 | gdb::optional<open_script> opened; |
d318976c | 595 | |
ee0c3293 | 596 | gdb::unique_xmalloc_ptr<char> file (tilde_expand (script_file)); |
d318976c | 597 | |
3f7b2faa DE |
598 | if (search_path) |
599 | search_flags |= OPF_SEARCH_IN_PATH; | |
4b505b12 | 600 | |
3f7b2faa DE |
601 | /* Search for and open 'file' on the search path used for source |
602 | files. Put the full location in *FULL_PATHP. */ | |
e0cc99a6 | 603 | gdb::unique_xmalloc_ptr<char> full_path; |
3f7b2faa | 604 | fd = openp (source_path, search_flags, |
e0cc99a6 | 605 | file.get (), O_RDONLY, &full_path); |
4b505b12 AS |
606 | |
607 | if (fd == -1) | |
ee0c3293 | 608 | return opened; |
973817a3 | 609 | |
ed166945 TT |
610 | FILE *result = fdopen (fd, FOPEN_RT); |
611 | if (result == NULL) | |
77a35dd8 JK |
612 | { |
613 | int save_errno = errno; | |
614 | ||
615 | close (fd); | |
77a35dd8 | 616 | errno = save_errno; |
77a35dd8 | 617 | } |
ed166945 TT |
618 | else |
619 | opened.emplace (gdb_file_up (result), std::move (full_path)); | |
77a35dd8 | 620 | |
ed166945 | 621 | return opened; |
973817a3 JB |
622 | } |
623 | ||
1a70ae97 DE |
624 | /* Load script FILE, which has already been opened as STREAM. |
625 | FILE_TO_OPEN is the form of FILE to use if one needs to open the file. | |
626 | This is provided as FILE may have been found via the source search path. | |
627 | An important thing to note here is that FILE may be a symlink to a file | |
628 | with a different or non-existing suffix, and thus one cannot infer the | |
629 | extension language from FILE_TO_OPEN. */ | |
973817a3 | 630 | |
3f7b2faa | 631 | static void |
1a70ae97 DE |
632 | source_script_from_stream (FILE *stream, const char *file, |
633 | const char *file_to_open) | |
3f7b2faa | 634 | { |
6dddc817 | 635 | if (script_ext_mode != script_ext_off) |
973817a3 | 636 | { |
6dddc817 DE |
637 | const struct extension_language_defn *extlang |
638 | = get_ext_lang_of_file (file); | |
639 | ||
640 | if (extlang != NULL) | |
973817a3 | 641 | { |
6dddc817 DE |
642 | if (ext_lang_present_p (extlang)) |
643 | { | |
644 | script_sourcer_func *sourcer | |
645 | = ext_lang_script_sourcer (extlang); | |
646 | ||
647 | gdb_assert (sourcer != NULL); | |
1a70ae97 | 648 | sourcer (extlang, stream, file_to_open); |
6dddc817 DE |
649 | return; |
650 | } | |
651 | else if (script_ext_mode == script_ext_soft) | |
652 | { | |
653 | /* Assume the file is a gdb script. | |
654 | This is handled below. */ | |
655 | } | |
656 | else | |
657 | throw_ext_lang_unsupported (extlang); | |
973817a3 JB |
658 | } |
659 | } | |
6dddc817 DE |
660 | |
661 | script_from_file (stream, file); | |
3f7b2faa | 662 | } |
d318976c | 663 | |
3f7b2faa DE |
664 | /* Worker to perform the "source" command. |
665 | Load script FILE. | |
666 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
667 | search for it in the source search path. */ | |
668 | ||
669 | static void | |
670 | source_script_with_search (const char *file, int from_tty, int search_path) | |
671 | { | |
3f7b2faa DE |
672 | |
673 | if (file == NULL || *file == 0) | |
674 | error (_("source command requires file name of file to source.")); | |
675 | ||
ed166945 TT |
676 | gdb::optional<open_script> opened = find_and_open_script (file, search_path); |
677 | if (!opened) | |
3f7b2faa | 678 | { |
d234ef5c | 679 | /* The script wasn't found, or was otherwise inaccessible. |
ebcd3b23 MS |
680 | If the source command was invoked interactively, throw an |
681 | error. Otherwise (e.g. if it was invoked by a script), | |
7c647d61 | 682 | just emit a warning, rather than cause an error. */ |
3f7b2faa DE |
683 | if (from_tty) |
684 | perror_with_name (file); | |
685 | else | |
7c647d61 JB |
686 | { |
687 | perror_warning_with_name (file); | |
688 | return; | |
689 | } | |
3f7b2faa DE |
690 | } |
691 | ||
d234ef5c DE |
692 | /* The python support reopens the file, so we need to pass full_path here |
693 | in case the file was found on the search path. It's useful to do this | |
694 | anyway so that error messages show the actual file used. But only do | |
695 | this if we (may have) used search_path, as printing the full path in | |
696 | errors for the non-search case can be more noise than signal. */ | |
ed166945 TT |
697 | source_script_from_stream (opened->stream.get (), file, |
698 | search_path ? opened->full_path.get () : file); | |
d318976c FN |
699 | } |
700 | ||
3f7b2faa DE |
701 | /* Wrapper around source_script_with_search to export it to main.c |
702 | for use in loading .gdbinit scripts. */ | |
703 | ||
704 | void | |
50dd9793 | 705 | source_script (const char *file, int from_tty) |
3f7b2faa DE |
706 | { |
707 | source_script_with_search (file, from_tty, 0); | |
708 | } | |
709 | ||
16026cd7 | 710 | static void |
dede02ce | 711 | source_command (const char *args, int from_tty) |
16026cd7 | 712 | { |
dede02ce | 713 | const char *file = args; |
3f7b2faa | 714 | int search_path = 0; |
16026cd7 | 715 | |
2ec845e7 | 716 | scoped_restore save_source_verbose = make_scoped_restore (&source_verbose); |
16026cd7 AS |
717 | |
718 | /* -v causes the source command to run in verbose mode. | |
3f7b2faa DE |
719 | -s causes the file to be searched in the source search path, |
720 | even if the file name contains a '/'. | |
16026cd7 AS |
721 | We still have to be able to handle filenames with spaces in a |
722 | backward compatible way, so buildargv is not appropriate. */ | |
723 | ||
724 | if (args) | |
725 | { | |
3f7b2faa | 726 | while (args[0] != '\0') |
16026cd7 | 727 | { |
ebcd3b23 MS |
728 | /* Make sure leading white space does not break the |
729 | comparisons. */ | |
529480d0 | 730 | args = skip_spaces (args); |
3f7b2faa DE |
731 | |
732 | if (args[0] != '-') | |
733 | break; | |
734 | ||
735 | if (args[1] == 'v' && isspace (args[2])) | |
736 | { | |
737 | source_verbose = 1; | |
738 | ||
739 | /* Skip passed -v. */ | |
740 | args = &args[3]; | |
741 | } | |
742 | else if (args[1] == 's' && isspace (args[2])) | |
743 | { | |
744 | search_path = 1; | |
16026cd7 | 745 | |
3f7b2faa DE |
746 | /* Skip passed -s. */ |
747 | args = &args[3]; | |
748 | } | |
749 | else | |
750 | break; | |
16026cd7 | 751 | } |
3f7b2faa | 752 | |
529480d0 | 753 | file = skip_spaces (args); |
16026cd7 AS |
754 | } |
755 | ||
3f7b2faa | 756 | source_script_with_search (file, from_tty, search_path); |
16026cd7 AS |
757 | } |
758 | ||
759 | ||
d318976c | 760 | static void |
0b39b52e | 761 | echo_command (const char *text, int from_tty) |
d318976c | 762 | { |
d7561cbb | 763 | const char *p = text; |
d5b5ac79 | 764 | int c; |
d318976c FN |
765 | |
766 | if (text) | |
767 | while ((c = *p++) != '\0') | |
768 | { | |
769 | if (c == '\\') | |
770 | { | |
771 | /* \ at end of argument is used after spaces | |
772 | so they won't be lost. */ | |
773 | if (*p == 0) | |
774 | return; | |
775 | ||
f870a310 | 776 | c = parse_escape (get_current_arch (), &p); |
d318976c FN |
777 | if (c >= 0) |
778 | printf_filtered ("%c", c); | |
779 | } | |
780 | else | |
781 | printf_filtered ("%c", c); | |
782 | } | |
783 | ||
ef1dfa36 TT |
784 | reset_terminal_style (gdb_stdout); |
785 | ||
d318976c FN |
786 | /* Force this output to appear now. */ |
787 | wrap_here (""); | |
788 | gdb_flush (gdb_stdout); | |
789 | } | |
790 | ||
947d3946 PW |
791 | /* Sets the last launched shell command convenience variables based on |
792 | EXIT_STATUS. */ | |
793 | ||
794 | static void | |
795 | exit_status_set_internal_vars (int exit_status) | |
796 | { | |
797 | struct internalvar *var_code = lookup_internalvar ("_shell_exitcode"); | |
798 | struct internalvar *var_signal = lookup_internalvar ("_shell_exitsignal"); | |
799 | ||
800 | clear_internalvar (var_code); | |
801 | clear_internalvar (var_signal); | |
802 | if (WIFEXITED (exit_status)) | |
803 | set_internalvar_integer (var_code, WEXITSTATUS (exit_status)); | |
804 | else if (WIFSIGNALED (exit_status)) | |
805 | set_internalvar_integer (var_signal, WTERMSIG (exit_status)); | |
806 | else | |
422186a9 | 807 | warning (_("unexpected shell command exit status %d"), exit_status); |
947d3946 PW |
808 | } |
809 | ||
d318976c | 810 | static void |
be47f9e8 | 811 | shell_escape (const char *arg, int from_tty) |
d318976c | 812 | { |
9b265ec2 MM |
813 | #if defined(CANT_FORK) || \ |
814 | (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK)) | |
d318976c FN |
815 | /* If ARG is NULL, they want an inferior shell, but `system' just |
816 | reports if the shell is available when passed a NULL arg. */ | |
817 | int rc = system (arg ? arg : ""); | |
818 | ||
819 | if (!arg) | |
820 | arg = "inferior shell"; | |
821 | ||
822 | if (rc == -1) | |
c119e040 TT |
823 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg, |
824 | safe_strerror (errno)); | |
d318976c | 825 | else if (rc) |
c119e040 | 826 | fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc); |
2584159e | 827 | #ifdef GLOBAL_CURDIR |
ebcd3b23 MS |
828 | /* Make sure to return to the directory GDB thinks it is, in case |
829 | the shell command we just ran changed it. */ | |
d318976c | 830 | chdir (current_directory); |
947d3946 | 831 | exit_status_set_internal_vars (rc); |
d318976c FN |
832 | #endif |
833 | #else /* Can fork. */ | |
5be4dfca | 834 | int status, pid; |
d318976c | 835 | |
325ed089 | 836 | if ((pid = vfork ()) == 0) |
d318976c | 837 | { |
974e6844 | 838 | const char *p, *user_shell = get_shell (); |
30e94205 | 839 | |
614c279d TT |
840 | close_most_fds (); |
841 | ||
ebcd3b23 | 842 | /* Get the name of the shell for arg0. */ |
9f37bbcc | 843 | p = lbasename (user_shell); |
30e94205 | 844 | |
d318976c | 845 | if (!arg) |
36662fde | 846 | execl (user_shell, p, (char *) 0); |
d318976c | 847 | else |
36662fde | 848 | execl (user_shell, p, "-c", arg, (char *) 0); |
d318976c FN |
849 | |
850 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell, | |
851 | safe_strerror (errno)); | |
d318976c FN |
852 | _exit (0177); |
853 | } | |
854 | ||
855 | if (pid != -1) | |
5be4dfca | 856 | waitpid (pid, &status, 0); |
d318976c | 857 | else |
8a3fe4f8 | 858 | error (_("Fork failed")); |
947d3946 | 859 | exit_status_set_internal_vars (status); |
d318976c FN |
860 | #endif /* Can fork. */ |
861 | } | |
862 | ||
be47f9e8 PA |
863 | /* Implementation of the "shell" command. */ |
864 | ||
865 | static void | |
0b39b52e | 866 | shell_command (const char *arg, int from_tty) |
be47f9e8 PA |
867 | { |
868 | shell_escape (arg, from_tty); | |
869 | } | |
870 | ||
0378c332 | 871 | static void |
0b39b52e | 872 | edit_command (const char *arg, int from_tty) |
0378c332 | 873 | { |
0378c332 FN |
874 | struct symtab_and_line sal; |
875 | struct symbol *sym; | |
a121b7c1 | 876 | const char *editor; |
0b0865da TT |
877 | char *p; |
878 | const char *fn; | |
0378c332 | 879 | |
d5529a84 | 880 | /* Pull in the current default source line if necessary. */ |
0378c332 | 881 | if (arg == 0) |
53cb0458 FN |
882 | { |
883 | set_default_source_symtab_and_line (); | |
884 | sal = get_current_source_symtab_and_line (); | |
885 | } | |
0378c332 | 886 | |
ebcd3b23 | 887 | /* Bare "edit" edits file with present line. */ |
0378c332 FN |
888 | |
889 | if (arg == 0) | |
890 | { | |
891 | if (sal.symtab == 0) | |
8a3fe4f8 | 892 | error (_("No default source file yet.")); |
0378c332 FN |
893 | sal.line += get_lines_to_list () / 2; |
894 | } | |
895 | else | |
896 | { | |
f2fc3015 | 897 | const char *arg1; |
0378c332 | 898 | |
f00aae0f | 899 | /* Now should only be one argument -- decode it in SAL. */ |
0378c332 | 900 | arg1 = arg; |
ffc2605c TT |
901 | event_location_up location = string_to_event_location (&arg1, |
902 | current_language); | |
6c5b2ebe PA |
903 | std::vector<symtab_and_line> sals = decode_line_1 (location.get (), |
904 | DECODE_LINE_LIST_MODE, | |
905 | NULL, NULL, 0); | |
0378c332 | 906 | |
6c5b2ebe PA |
907 | filter_sals (sals); |
908 | if (sals.empty ()) | |
d5529a84 TT |
909 | { |
910 | /* C++ */ | |
911 | return; | |
912 | } | |
6c5b2ebe | 913 | if (sals.size () > 1) |
d5529a84 | 914 | { |
6c5b2ebe | 915 | ambiguous_line_spec (sals, |
e439fa14 | 916 | _("Specified line is ambiguous:\n")); |
d5529a84 TT |
917 | return; |
918 | } | |
0378c332 | 919 | |
6c5b2ebe | 920 | sal = sals[0]; |
0378c332 FN |
921 | |
922 | if (*arg1) | |
8a3fe4f8 | 923 | error (_("Junk at end of line specification.")); |
0378c332 | 924 | |
ebcd3b23 MS |
925 | /* If line was specified by address, first print exactly which |
926 | line, and which file. In this case, sal.symtab == 0 means | |
927 | address is outside of all known source files, not that user | |
928 | failed to give a filename. */ | |
0378c332 FN |
929 | if (*arg == '*') |
930 | { | |
5af949e3 | 931 | struct gdbarch *gdbarch; |
cdb27c12 | 932 | |
0378c332 | 933 | if (sal.symtab == 0) |
8a3fe4f8 | 934 | error (_("No source file for address %s."), |
2b69941d | 935 | paddress (get_current_arch (), sal.pc)); |
5af949e3 | 936 | |
eb822aa6 | 937 | gdbarch = get_objfile_arch (SYMTAB_OBJFILE (sal.symtab)); |
0378c332 FN |
938 | sym = find_pc_function (sal.pc); |
939 | if (sym) | |
5af949e3 UW |
940 | printf_filtered ("%s is in %s (%s:%d).\n", |
941 | paddress (gdbarch, sal.pc), | |
942 | SYMBOL_PRINT_NAME (sym), | |
05cba821 JK |
943 | symtab_to_filename_for_display (sal.symtab), |
944 | sal.line); | |
0378c332 | 945 | else |
5af949e3 UW |
946 | printf_filtered ("%s is at %s:%d.\n", |
947 | paddress (gdbarch, sal.pc), | |
05cba821 JK |
948 | symtab_to_filename_for_display (sal.symtab), |
949 | sal.line); | |
0378c332 FN |
950 | } |
951 | ||
ebcd3b23 MS |
952 | /* If what was given does not imply a symtab, it must be an |
953 | undebuggable symbol which means no source code. */ | |
0378c332 FN |
954 | |
955 | if (sal.symtab == 0) | |
8a3fe4f8 | 956 | error (_("No line number known for %s."), arg); |
0378c332 FN |
957 | } |
958 | ||
081bca4d TT |
959 | if ((editor = getenv ("EDITOR")) == NULL) |
960 | editor = "/bin/ex"; | |
a955ca71 | 961 | |
f35a17b5 | 962 | fn = symtab_to_fullname (sal.symtab); |
0378c332 | 963 | |
a955ca71 EZ |
964 | /* Quote the file name, in case it has whitespace or other special |
965 | characters. */ | |
966 | p = xstrprintf ("%s +%d \"%s\"", editor, sal.line, fn); | |
d5529a84 TT |
967 | shell_escape (p, from_tty); |
968 | xfree (p); | |
0378c332 FN |
969 | } |
970 | ||
5f4ba3e7 PA |
971 | /* The options for the "pipe" command. */ |
972 | ||
973 | struct pipe_cmd_opts | |
974 | { | |
975 | /* For "-d". */ | |
976 | char *delimiter = nullptr; | |
977 | ||
978 | ~pipe_cmd_opts () | |
979 | { | |
980 | xfree (delimiter); | |
981 | } | |
982 | }; | |
983 | ||
984 | static const gdb::option::option_def pipe_cmd_option_defs[] = { | |
985 | ||
986 | gdb::option::string_option_def<pipe_cmd_opts> { | |
987 | "d", | |
988 | [] (pipe_cmd_opts *opts) { return &opts->delimiter; }, | |
989 | nullptr, | |
990 | N_("Indicates to use the specified delimiter string to separate\n\ | |
991 | COMMAND from SHELL_COMMAND, in alternative to |. This is useful in\n\ | |
992 | case COMMAND contains a | character."), | |
993 | }, | |
994 | ||
995 | }; | |
996 | ||
997 | /* Create an option_def_group for the "pipe" command's options, with | |
998 | OPTS as context. */ | |
999 | ||
1000 | static inline gdb::option::option_def_group | |
1001 | make_pipe_cmd_options_def_group (pipe_cmd_opts *opts) | |
1002 | { | |
1003 | return {{pipe_cmd_option_defs}, opts}; | |
1004 | } | |
1005 | ||
947d3946 PW |
1006 | /* Implementation of the "pipe" command. */ |
1007 | ||
1008 | static void | |
1009 | pipe_command (const char *arg, int from_tty) | |
1010 | { | |
5f4ba3e7 | 1011 | pipe_cmd_opts opts; |
947d3946 | 1012 | |
5f4ba3e7 PA |
1013 | auto grp = make_pipe_cmd_options_def_group (&opts); |
1014 | gdb::option::process_options | |
1015 | (&arg, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_OPERAND, grp); | |
1016 | ||
1017 | const char *delim = "|"; | |
1018 | if (opts.delimiter != nullptr) | |
1019 | delim = opts.delimiter; | |
947d3946 PW |
1020 | |
1021 | const char *command = arg; | |
1022 | if (command == nullptr) | |
1023 | error (_("Missing COMMAND")); | |
1024 | ||
5f4ba3e7 | 1025 | arg = strstr (arg, delim); |
947d3946 PW |
1026 | |
1027 | if (arg == nullptr) | |
1028 | error (_("Missing delimiter before SHELL_COMMAND")); | |
1029 | ||
1030 | std::string gdb_cmd (command, arg - command); | |
1031 | ||
5f4ba3e7 | 1032 | arg += strlen (delim); /* Skip the delimiter. */ |
947d3946 PW |
1033 | |
1034 | if (gdb_cmd.empty ()) | |
fdbc9870 | 1035 | gdb_cmd = repeat_previous (); |
947d3946 PW |
1036 | |
1037 | const char *shell_command = skip_spaces (arg); | |
1038 | if (*shell_command == '\0') | |
1039 | error (_("Missing SHELL_COMMAND")); | |
1040 | ||
1041 | FILE *to_shell_command = popen (shell_command, "w"); | |
1042 | ||
1043 | if (to_shell_command == nullptr) | |
1044 | error (_("Error launching \"%s\""), shell_command); | |
1045 | ||
1046 | try | |
1047 | { | |
1048 | stdio_file pipe_file (to_shell_command); | |
1049 | ||
1050 | execute_command_to_ui_file (&pipe_file, gdb_cmd.c_str (), from_tty); | |
1051 | } | |
1052 | catch (...) | |
1053 | { | |
1054 | pclose (to_shell_command); | |
1055 | throw; | |
1056 | } | |
1057 | ||
1058 | int exit_status = pclose (to_shell_command); | |
1059 | ||
1060 | if (exit_status < 0) | |
1061 | error (_("shell command \"%s\" failed: %s"), shell_command, | |
1062 | safe_strerror (errno)); | |
1063 | exit_status_set_internal_vars (exit_status); | |
1064 | } | |
1065 | ||
5f4ba3e7 PA |
1066 | /* Completer for the pipe command. */ |
1067 | ||
1068 | static void | |
1069 | pipe_command_completer (struct cmd_list_element *ignore, | |
1070 | completion_tracker &tracker, | |
1071 | const char *text, const char *word_ignored) | |
1072 | { | |
1073 | pipe_cmd_opts opts; | |
1074 | ||
1075 | const char *org_text = text; | |
1076 | auto grp = make_pipe_cmd_options_def_group (&opts); | |
1077 | if (gdb::option::complete_options | |
1078 | (tracker, &text, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_OPERAND, grp)) | |
1079 | return; | |
1080 | ||
1081 | const char *delimiter = "|"; | |
1082 | if (opts.delimiter != nullptr) | |
1083 | delimiter = opts.delimiter; | |
1084 | ||
1085 | /* Check if we're past option values already. */ | |
1086 | if (text > org_text && !isspace (text[-1])) | |
1087 | return; | |
1088 | ||
1089 | const char *delim = strstr (text, delimiter); | |
1090 | ||
1091 | /* If we're still not past the delimiter, complete the gdb | |
1092 | command. */ | |
1093 | if (delim == nullptr || delim == text) | |
1094 | { | |
1095 | complete_nested_command_line (tracker, text); | |
1096 | return; | |
1097 | } | |
1098 | ||
1099 | /* We're past the delimiter. What follows is a shell command, which | |
1100 | we don't know how to complete. */ | |
1101 | } | |
1102 | ||
0378c332 | 1103 | static void |
0b39b52e | 1104 | list_command (const char *arg, int from_tty) |
0378c332 | 1105 | { |
0378c332 | 1106 | struct symbol *sym; |
f2fc3015 | 1107 | const char *arg1; |
0378c332 FN |
1108 | int no_end = 1; |
1109 | int dummy_end = 0; | |
1110 | int dummy_beg = 0; | |
1111 | int linenum_beg = 0; | |
0b39b52e | 1112 | const char *p; |
0378c332 | 1113 | |
ebcd3b23 | 1114 | /* Pull in the current default source line if necessary. */ |
a0def019 | 1115 | if (arg == NULL || ((arg[0] == '+' || arg[0] == '-') && arg[1] == '\0')) |
53cb0458 FN |
1116 | { |
1117 | set_default_source_symtab_and_line (); | |
51abb421 | 1118 | symtab_and_line cursal = get_current_source_symtab_and_line (); |
5166082f PA |
1119 | |
1120 | /* If this is the first "list" since we've set the current | |
1121 | source line, center the listing around that line. */ | |
1122 | if (get_first_line_listed () == 0) | |
1123 | { | |
1124 | int first; | |
1125 | ||
325fac50 | 1126 | first = std::max (cursal.line - get_lines_to_list () / 2, 1); |
5166082f PA |
1127 | |
1128 | /* A small special case --- if listing backwards, and we | |
1129 | should list only one line, list the preceding line, | |
1130 | instead of the exact line we've just shown after e.g., | |
1131 | stopping for a breakpoint. */ | |
1132 | if (arg != NULL && arg[0] == '-' | |
1133 | && get_lines_to_list () == 1 && first > 1) | |
1134 | first -= 1; | |
1135 | ||
0e2a2133 | 1136 | print_source_lines (cursal.symtab, source_lines_range (first), 0); |
5166082f | 1137 | } |
0378c332 | 1138 | |
1a48ce76 | 1139 | /* "l" or "l +" lists next ten lines. */ |
a0def019 | 1140 | else if (arg == NULL || arg[0] == '+') |
0e2a2133 AB |
1141 | print_source_lines (cursal.symtab, |
1142 | source_lines_range (cursal.line), 0); | |
0378c332 | 1143 | |
1a48ce76 AB |
1144 | /* "l -" lists previous ten lines, the ones before the ten just |
1145 | listed. */ | |
a0def019 | 1146 | else if (arg[0] == '-') |
3b2464a8 AB |
1147 | { |
1148 | if (get_first_line_listed () == 1) | |
1149 | error (_("Already at the start of %s."), | |
1150 | symtab_to_filename_for_display (cursal.symtab)); | |
0e2a2133 AB |
1151 | source_lines_range range (get_first_line_listed (), |
1152 | source_lines_range::BACKWARD); | |
1153 | print_source_lines (cursal.symtab, range, 0); | |
3b2464a8 | 1154 | } |
0378c332 | 1155 | |
0378c332 FN |
1156 | return; |
1157 | } | |
1158 | ||
1159 | /* Now if there is only one argument, decode it in SAL | |
1160 | and set NO_END. | |
1161 | If there are two arguments, decode them in SAL and SAL_END | |
1162 | and clear NO_END; however, if one of the arguments is blank, | |
1163 | set DUMMY_BEG or DUMMY_END to record that fact. */ | |
1164 | ||
1165 | if (!have_full_symbols () && !have_partial_symbols ()) | |
8a3fe4f8 | 1166 | error (_("No symbol table is loaded. Use the \"file\" command.")); |
0378c332 | 1167 | |
6c5b2ebe | 1168 | std::vector<symtab_and_line> sals; |
51abb421 | 1169 | symtab_and_line sal, sal_end; |
6c5b2ebe | 1170 | |
0378c332 FN |
1171 | arg1 = arg; |
1172 | if (*arg1 == ',') | |
1173 | dummy_beg = 1; | |
1174 | else | |
1175 | { | |
ffc2605c TT |
1176 | event_location_up location = string_to_event_location (&arg1, |
1177 | current_language); | |
1178 | sals = decode_line_1 (location.get (), DECODE_LINE_LIST_MODE, | |
1179 | NULL, NULL, 0); | |
6c5b2ebe PA |
1180 | filter_sals (sals); |
1181 | if (sals.empty ()) | |
f00aae0f KS |
1182 | { |
1183 | /* C++ */ | |
f00aae0f KS |
1184 | return; |
1185 | } | |
0378c332 | 1186 | |
6c5b2ebe | 1187 | sal = sals[0]; |
0378c332 FN |
1188 | } |
1189 | ||
1190 | /* Record whether the BEG arg is all digits. */ | |
1191 | ||
1192 | for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++); | |
1193 | linenum_beg = (p == arg1); | |
1194 | ||
e439fa14 PA |
1195 | /* Save the range of the first argument, in case we need to let the |
1196 | user know it was ambiguous. */ | |
1197 | const char *beg = arg; | |
1198 | size_t beg_len = arg1 - beg; | |
1199 | ||
0378c332 FN |
1200 | while (*arg1 == ' ' || *arg1 == '\t') |
1201 | arg1++; | |
1202 | if (*arg1 == ',') | |
1203 | { | |
1204 | no_end = 0; | |
6c5b2ebe | 1205 | if (sals.size () > 1) |
0d999a6e | 1206 | { |
6c5b2ebe | 1207 | ambiguous_line_spec (sals, |
e439fa14 PA |
1208 | _("Specified first line '%.*s' is ambiguous:\n"), |
1209 | (int) beg_len, beg); | |
0d999a6e ZZ |
1210 | return; |
1211 | } | |
0378c332 FN |
1212 | arg1++; |
1213 | while (*arg1 == ' ' || *arg1 == '\t') | |
1214 | arg1++; | |
1215 | if (*arg1 == 0) | |
1216 | dummy_end = 1; | |
1217 | else | |
1218 | { | |
e439fa14 PA |
1219 | /* Save the last argument, in case we need to let the user |
1220 | know it was ambiguous. */ | |
1221 | const char *end_arg = arg1; | |
1222 | ||
ffc2605c TT |
1223 | event_location_up location |
1224 | = string_to_event_location (&arg1, current_language); | |
f00aae0f | 1225 | |
6c5b2ebe PA |
1226 | std::vector<symtab_and_line> sals_end |
1227 | = (dummy_beg | |
1228 | ? decode_line_1 (location.get (), DECODE_LINE_LIST_MODE, | |
1229 | NULL, NULL, 0) | |
1230 | : decode_line_1 (location.get (), DECODE_LINE_LIST_MODE, | |
1231 | NULL, sal.symtab, sal.line)); | |
1232 | ||
1233 | filter_sals (sals_end); | |
1234 | if (sals_end.empty ()) | |
1235 | return; | |
1236 | if (sals_end.size () > 1) | |
0d999a6e | 1237 | { |
6c5b2ebe | 1238 | ambiguous_line_spec (sals_end, |
e439fa14 PA |
1239 | _("Specified last line '%s' is ambiguous:\n"), |
1240 | end_arg); | |
0378c332 FN |
1241 | return; |
1242 | } | |
6c5b2ebe | 1243 | sal_end = sals_end[0]; |
0378c332 FN |
1244 | } |
1245 | } | |
1246 | ||
1247 | if (*arg1) | |
8a3fe4f8 | 1248 | error (_("Junk at end of line specification.")); |
0378c332 FN |
1249 | |
1250 | if (!no_end && !dummy_beg && !dummy_end | |
1251 | && sal.symtab != sal_end.symtab) | |
e439fa14 | 1252 | error (_("Specified first and last lines are in different files.")); |
0378c332 | 1253 | if (dummy_beg && dummy_end) |
8a3fe4f8 | 1254 | error (_("Two empty args do not say what lines to list.")); |
0378c332 | 1255 | |
ebcd3b23 | 1256 | /* If line was specified by address, |
0378c332 | 1257 | first print exactly which line, and which file. |
ebcd3b23 MS |
1258 | |
1259 | In this case, sal.symtab == 0 means address is outside of all | |
1260 | known source files, not that user failed to give a filename. */ | |
0378c332 FN |
1261 | if (*arg == '*') |
1262 | { | |
5af949e3 | 1263 | struct gdbarch *gdbarch; |
cdb27c12 | 1264 | |
0378c332 | 1265 | if (sal.symtab == 0) |
8a3fe4f8 | 1266 | error (_("No source file for address %s."), |
2b69941d | 1267 | paddress (get_current_arch (), sal.pc)); |
5af949e3 | 1268 | |
eb822aa6 | 1269 | gdbarch = get_objfile_arch (SYMTAB_OBJFILE (sal.symtab)); |
0378c332 FN |
1270 | sym = find_pc_function (sal.pc); |
1271 | if (sym) | |
50ee7535 | 1272 | printf_filtered ("%s is in %s (%s:%d).\n", |
5af949e3 UW |
1273 | paddress (gdbarch, sal.pc), |
1274 | SYMBOL_PRINT_NAME (sym), | |
05cba821 | 1275 | symtab_to_filename_for_display (sal.symtab), sal.line); |
0378c332 | 1276 | else |
5af949e3 UW |
1277 | printf_filtered ("%s is at %s:%d.\n", |
1278 | paddress (gdbarch, sal.pc), | |
05cba821 | 1279 | symtab_to_filename_for_display (sal.symtab), sal.line); |
0378c332 FN |
1280 | } |
1281 | ||
ebcd3b23 MS |
1282 | /* If line was not specified by just a line number, and it does not |
1283 | imply a symtab, it must be an undebuggable symbol which means no | |
1284 | source code. */ | |
0378c332 FN |
1285 | |
1286 | if (!linenum_beg && sal.symtab == 0) | |
8a3fe4f8 | 1287 | error (_("No line number known for %s."), arg); |
0378c332 FN |
1288 | |
1289 | /* If this command is repeated with RET, | |
1290 | turn it into the no-arg variant. */ | |
1291 | ||
1292 | if (from_tty) | |
85c4be7c | 1293 | set_repeat_arguments (""); |
0378c332 FN |
1294 | |
1295 | if (dummy_beg && sal_end.symtab == 0) | |
8a3fe4f8 | 1296 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 | 1297 | if (dummy_beg) |
0e2a2133 AB |
1298 | { |
1299 | source_lines_range range (sal_end.line + 1, | |
1300 | source_lines_range::BACKWARD); | |
1301 | print_source_lines (sal_end.symtab, range, 0); | |
1302 | } | |
0378c332 | 1303 | else if (sal.symtab == 0) |
8a3fe4f8 | 1304 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
1305 | else if (no_end) |
1306 | { | |
6c5b2ebe | 1307 | for (int i = 0; i < sals.size (); i++) |
0d999a6e | 1308 | { |
6c5b2ebe | 1309 | sal = sals[i]; |
0d999a6e ZZ |
1310 | int first_line = sal.line - get_lines_to_list () / 2; |
1311 | if (first_line < 1) | |
1312 | first_line = 1; | |
6c5b2ebe | 1313 | if (sals.size () > 1) |
06871ae8 | 1314 | print_sal_location (sal); |
0e2a2133 | 1315 | print_source_lines (sal.symtab, source_lines_range (first_line), 0); |
0d999a6e | 1316 | } |
0378c332 | 1317 | } |
0e2a2133 AB |
1318 | else if (dummy_end) |
1319 | print_source_lines (sal.symtab, source_lines_range (sal.line), 0); | |
0378c332 | 1320 | else |
0e2a2133 AB |
1321 | print_source_lines (sal.symtab, |
1322 | source_lines_range (sal.line, (sal_end.line + 1)), | |
0378c332 FN |
1323 | 0); |
1324 | } | |
1325 | ||
d14508fe DE |
1326 | /* Subroutine of disassemble_command to simplify it. |
1327 | Perform the disassembly. | |
1328 | NAME is the name of the function if known, or NULL. | |
1329 | [LOW,HIGH) are the range of addresses to disassemble. | |
e9480230 KB |
1330 | BLOCK is the block to disassemble; it needs to be provided |
1331 | when non-contiguous blocks are disassembled; otherwise | |
1332 | it can be NULL. | |
d14508fe DE |
1333 | MIXED is non-zero to print source with the assembler. */ |
1334 | ||
1335 | static void | |
13274fc3 | 1336 | print_disassembly (struct gdbarch *gdbarch, const char *name, |
9a24775b | 1337 | CORE_ADDR low, CORE_ADDR high, |
e9480230 | 1338 | const struct block *block, |
9a24775b | 1339 | gdb_disassembly_flags flags) |
d14508fe DE |
1340 | { |
1341 | #if defined(TUI) | |
1342 | if (!tui_is_window_visible (DISASSEM_WIN)) | |
1343 | #endif | |
1344 | { | |
1345 | printf_filtered ("Dump of assembler code "); | |
1346 | if (name != NULL) | |
e9480230 KB |
1347 | printf_filtered ("for function %s:\n", name); |
1348 | if (block == nullptr || BLOCK_CONTIGUOUS_P (block)) | |
1349 | { | |
1350 | if (name == NULL) | |
1351 | printf_filtered ("from %s to %s:\n", | |
1352 | paddress (gdbarch, low), paddress (gdbarch, high)); | |
d14508fe | 1353 | |
e9480230 KB |
1354 | /* Dump the specified range. */ |
1355 | gdb_disassembly (gdbarch, current_uiout, flags, -1, low, high); | |
1356 | } | |
1357 | else | |
1358 | { | |
1359 | for (int i = 0; i < BLOCK_NRANGES (block); i++) | |
1360 | { | |
b926417a TT |
1361 | CORE_ADDR range_low = BLOCK_RANGE_START (block, i); |
1362 | CORE_ADDR range_high = BLOCK_RANGE_END (block, i); | |
e9480230 | 1363 | printf_filtered (_("Address range %s to %s:\n"), |
b926417a TT |
1364 | paddress (gdbarch, range_low), |
1365 | paddress (gdbarch, range_high)); | |
1366 | gdb_disassembly (gdbarch, current_uiout, flags, -1, | |
1367 | range_low, range_high); | |
e9480230 KB |
1368 | } |
1369 | } | |
d14508fe | 1370 | printf_filtered ("End of assembler dump.\n"); |
d14508fe DE |
1371 | } |
1372 | #if defined(TUI) | |
1373 | else | |
1374 | { | |
13274fc3 | 1375 | tui_show_assembly (gdbarch, low); |
d14508fe DE |
1376 | } |
1377 | #endif | |
1378 | } | |
1379 | ||
1380 | /* Subroutine of disassemble_command to simplify it. | |
9c419145 | 1381 | Print a disassembly of the current function according to FLAGS. */ |
d14508fe DE |
1382 | |
1383 | static void | |
9a24775b | 1384 | disassemble_current_function (gdb_disassembly_flags flags) |
d14508fe | 1385 | { |
13274fc3 UW |
1386 | struct frame_info *frame; |
1387 | struct gdbarch *gdbarch; | |
d14508fe | 1388 | CORE_ADDR low, high, pc; |
2c02bd72 | 1389 | const char *name; |
e9480230 | 1390 | const struct block *block; |
d14508fe | 1391 | |
13274fc3 UW |
1392 | frame = get_selected_frame (_("No frame selected.")); |
1393 | gdbarch = get_frame_arch (frame); | |
9bf4bce9 | 1394 | pc = get_frame_address_in_block (frame); |
e9480230 | 1395 | if (find_pc_partial_function (pc, &name, &low, &high, &block) == 0) |
d14508fe DE |
1396 | error (_("No function contains program counter for selected frame.")); |
1397 | #if defined(TUI) | |
1398 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously | |
1399 | `tui_version'. */ | |
1400 | if (tui_active) | |
1401 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1402 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
d14508fe | 1403 | #endif |
13274fc3 | 1404 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
d14508fe | 1405 | |
e9480230 | 1406 | print_disassembly (gdbarch, name, low, high, block, flags); |
d14508fe DE |
1407 | } |
1408 | ||
1409 | /* Dump a specified section of assembly code. | |
1410 | ||
1411 | Usage: | |
6ff0ba5f | 1412 | disassemble [/mrs] |
d14508fe | 1413 | - dump the assembly code for the function of the current pc |
6ff0ba5f | 1414 | disassemble [/mrs] addr |
d14508fe | 1415 | - dump the assembly code for the function at ADDR |
6ff0ba5f DE |
1416 | disassemble [/mrs] low,high |
1417 | disassemble [/mrs] low,+length | |
53a71c06 | 1418 | - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length) |
d14508fe | 1419 | |
6ff0ba5f DE |
1420 | A /m modifier will include source code with the assembly in a |
1421 | "source centric" view. This view lists only the file of the first insn, | |
1422 | even if other source files are involved (e.g., inlined functions), and | |
1423 | the output is in source order, even with optimized code. This view is | |
1424 | considered deprecated as it hasn't been useful in practice. | |
1425 | ||
1426 | A /r modifier will include raw instructions in hex with the assembly. | |
1427 | ||
1428 | A /s modifier will include source code with the assembly, like /m, with | |
1429 | two important differences: | |
1430 | 1) The output is still in pc address order. | |
1431 | 2) File names and contents for all relevant source files are displayed. */ | |
83c31e7d | 1432 | |
83c31e7d | 1433 | static void |
0b39b52e | 1434 | disassemble_command (const char *arg, int from_tty) |
83c31e7d | 1435 | { |
13274fc3 | 1436 | struct gdbarch *gdbarch = get_current_arch (); |
83c31e7d | 1437 | CORE_ADDR low, high; |
2c02bd72 | 1438 | const char *name; |
d36fc00b | 1439 | CORE_ADDR pc; |
9a24775b | 1440 | gdb_disassembly_flags flags; |
bbc13ae3 | 1441 | const char *p; |
e9480230 | 1442 | const struct block *block = nullptr; |
83c31e7d | 1443 | |
bbc13ae3 | 1444 | p = arg; |
83c31e7d | 1445 | name = NULL; |
e6158f16 | 1446 | flags = 0; |
d14508fe | 1447 | |
bbc13ae3 | 1448 | if (p && *p == '/') |
83c31e7d | 1449 | { |
bbc13ae3 | 1450 | ++p; |
d14508fe | 1451 | |
bbc13ae3 | 1452 | if (*p == '\0') |
d14508fe DE |
1453 | error (_("Missing modifier.")); |
1454 | ||
bbc13ae3 | 1455 | while (*p && ! isspace (*p)) |
d14508fe | 1456 | { |
bbc13ae3 | 1457 | switch (*p++) |
d14508fe DE |
1458 | { |
1459 | case 'm': | |
6ff0ba5f | 1460 | flags |= DISASSEMBLY_SOURCE_DEPRECATED; |
e6158f16 HZ |
1461 | break; |
1462 | case 'r': | |
1463 | flags |= DISASSEMBLY_RAW_INSN; | |
d14508fe | 1464 | break; |
6ff0ba5f DE |
1465 | case 's': |
1466 | flags |= DISASSEMBLY_SOURCE; | |
1467 | break; | |
d14508fe DE |
1468 | default: |
1469 | error (_("Invalid disassembly modifier.")); | |
1470 | } | |
1471 | } | |
1472 | ||
f1735a53 | 1473 | p = skip_spaces (p); |
d14508fe DE |
1474 | } |
1475 | ||
6ff0ba5f DE |
1476 | if ((flags & (DISASSEMBLY_SOURCE_DEPRECATED | DISASSEMBLY_SOURCE)) |
1477 | == (DISASSEMBLY_SOURCE_DEPRECATED | DISASSEMBLY_SOURCE)) | |
1478 | error (_("Cannot specify both /m and /s.")); | |
1479 | ||
bbc13ae3 | 1480 | if (! p || ! *p) |
d14508fe | 1481 | { |
9c419145 | 1482 | flags |= DISASSEMBLY_OMIT_FNAME; |
e6158f16 | 1483 | disassemble_current_function (flags); |
d14508fe | 1484 | return; |
83c31e7d | 1485 | } |
d14508fe | 1486 | |
bbc13ae3 KS |
1487 | pc = value_as_address (parse_to_comma_and_eval (&p)); |
1488 | if (p[0] == ',') | |
1489 | ++p; | |
1490 | if (p[0] == '\0') | |
83c31e7d FN |
1491 | { |
1492 | /* One argument. */ | |
e9480230 | 1493 | if (find_pc_partial_function (pc, &name, &low, &high, &block) == 0) |
8a3fe4f8 | 1494 | error (_("No function contains specified address.")); |
83c31e7d | 1495 | #if defined(TUI) |
021e7609 AC |
1496 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously |
1497 | `tui_version'. */ | |
22940a24 AC |
1498 | if (tui_active) |
1499 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1500 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
83c31e7d | 1501 | #endif |
13274fc3 | 1502 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
9c419145 | 1503 | flags |= DISASSEMBLY_OMIT_FNAME; |
83c31e7d FN |
1504 | } |
1505 | else | |
1506 | { | |
1507 | /* Two arguments. */ | |
53a71c06 | 1508 | int incl_flag = 0; |
21a0512e | 1509 | low = pc; |
f1735a53 | 1510 | p = skip_spaces (p); |
bbc13ae3 | 1511 | if (p[0] == '+') |
53a71c06 | 1512 | { |
bbc13ae3 | 1513 | ++p; |
53a71c06 CR |
1514 | incl_flag = 1; |
1515 | } | |
bbc13ae3 | 1516 | high = parse_and_eval_address (p); |
53a71c06 CR |
1517 | if (incl_flag) |
1518 | high += low; | |
83c31e7d FN |
1519 | } |
1520 | ||
e9480230 | 1521 | print_disassembly (gdbarch, name, low, high, block, flags); |
83c31e7d FN |
1522 | } |
1523 | ||
d318976c | 1524 | static void |
0b39b52e | 1525 | make_command (const char *arg, int from_tty) |
d318976c | 1526 | { |
d318976c | 1527 | if (arg == 0) |
be47f9e8 | 1528 | shell_escape ("make", from_tty); |
d318976c FN |
1529 | else |
1530 | { | |
be47f9e8 | 1531 | std::string cmd = std::string ("make ") + arg; |
d318976c | 1532 | |
be47f9e8 PA |
1533 | shell_escape (cmd.c_str (), from_tty); |
1534 | } | |
d318976c FN |
1535 | } |
1536 | ||
d318976c | 1537 | static void |
dede02ce | 1538 | show_user (const char *args, int from_tty) |
d318976c FN |
1539 | { |
1540 | struct cmd_list_element *c; | |
1541 | extern struct cmd_list_element *cmdlist; | |
1542 | ||
1543 | if (args) | |
1544 | { | |
6f937416 | 1545 | const char *comname = args; |
cdb27c12 | 1546 | |
adb483fe | 1547 | c = lookup_cmd (&comname, cmdlist, "", 0, 1); |
a9f116cb | 1548 | if (!cli_user_command_p (c)) |
8a3fe4f8 | 1549 | error (_("Not a user command.")); |
adb483fe | 1550 | show_user_1 (c, "", args, gdb_stdout); |
d318976c FN |
1551 | } |
1552 | else | |
1553 | { | |
1554 | for (c = cmdlist; c; c = c->next) | |
1555 | { | |
a9f116cb | 1556 | if (cli_user_command_p (c) || c->prefixlist != NULL) |
adb483fe | 1557 | show_user_1 (c, "", c->name, gdb_stdout); |
d318976c FN |
1558 | } |
1559 | } | |
1560 | } | |
1561 | ||
1562 | /* Search through names of commands and documentations for a certain | |
ebcd3b23 MS |
1563 | regular expression. */ |
1564 | ||
66d8c862 PW |
1565 | static void |
1566 | apropos_command (const char *arg, int from_tty) | |
d318976c | 1567 | { |
66d8c862 PW |
1568 | bool verbose = arg && check_for_argument (&arg, "-v", 2); |
1569 | ||
66d8c862 | 1570 | if (arg == NULL || *arg == '\0') |
f55af66d | 1571 | error (_("REGEXP string is empty")); |
d318976c | 1572 | |
66d8c862 | 1573 | compiled_regex pattern (arg, REG_ICASE, |
2d7cc5c7 | 1574 | _("Error in regular expression")); |
dc92e161 | 1575 | |
66d8c862 | 1576 | apropos_cmd (gdb_stdout, cmdlist, verbose, pattern, ""); |
d318976c | 1577 | } |
5a56e9c5 DE |
1578 | |
1579 | /* Subroutine of alias_command to simplify it. | |
1580 | Return the first N elements of ARGV flattened back to a string | |
1581 | with a space separating each element. | |
1582 | ARGV may not be NULL. | |
1583 | This does not take care of quoting elements in case they contain spaces | |
1584 | on purpose. */ | |
1585 | ||
a97e29d2 TT |
1586 | static std::string |
1587 | argv_to_string (char **argv, int n) | |
5a56e9c5 DE |
1588 | { |
1589 | int i; | |
a97e29d2 | 1590 | std::string result; |
5a56e9c5 DE |
1591 | |
1592 | gdb_assert (argv != NULL); | |
1593 | gdb_assert (n >= 0 && n <= countargv (argv)); | |
1594 | ||
1595 | for (i = 0; i < n; ++i) | |
1596 | { | |
1597 | if (i > 0) | |
a97e29d2 TT |
1598 | result += " "; |
1599 | result += argv[i]; | |
5a56e9c5 DE |
1600 | } |
1601 | ||
1602 | return result; | |
1603 | } | |
1604 | ||
1605 | /* Subroutine of alias_command to simplify it. | |
6fe87677 | 1606 | Return true if COMMAND exists, unambiguously. Otherwise false. */ |
5a56e9c5 | 1607 | |
6fe87677 | 1608 | static bool |
6f937416 | 1609 | valid_command_p (const char *command) |
5a56e9c5 DE |
1610 | { |
1611 | struct cmd_list_element *c; | |
1612 | ||
1613 | c = lookup_cmd_1 (& command, cmdlist, NULL, 1); | |
1614 | ||
1615 | if (c == NULL || c == (struct cmd_list_element *) -1) | |
6fe87677 | 1616 | return false; |
5a56e9c5 DE |
1617 | |
1618 | /* This is the slightly tricky part. | |
1619 | lookup_cmd_1 will return a pointer to the last part of COMMAND | |
1620 | to match, leaving COMMAND pointing at the remainder. */ | |
1621 | while (*command == ' ' || *command == '\t') | |
1622 | ++command; | |
1623 | return *command == '\0'; | |
1624 | } | |
1625 | ||
7f31862a PA |
1626 | /* Called when "alias" was incorrectly used. */ |
1627 | ||
1628 | static void | |
1629 | alias_usage_error (void) | |
1630 | { | |
1631 | error (_("Usage: alias [-a] [--] ALIAS = COMMAND")); | |
1632 | } | |
1633 | ||
5a56e9c5 DE |
1634 | /* Make an alias of an existing command. */ |
1635 | ||
1636 | static void | |
0b39b52e | 1637 | alias_command (const char *args, int from_tty) |
5a56e9c5 DE |
1638 | { |
1639 | int i, alias_argc, command_argc; | |
1640 | int abbrev_flag = 0; | |
0b39b52e | 1641 | const char *equals; |
a97e29d2 | 1642 | const char *alias, *command; |
5a56e9c5 DE |
1643 | |
1644 | if (args == NULL || strchr (args, '=') == NULL) | |
7f31862a | 1645 | alias_usage_error (); |
5a56e9c5 | 1646 | |
773a1edc TT |
1647 | equals = strchr (args, '='); |
1648 | std::string args2 (args, equals - args); | |
1649 | ||
1650 | gdb_argv built_alias_argv (args2.c_str ()); | |
1651 | gdb_argv command_argv (equals + 1); | |
5a56e9c5 | 1652 | |
773a1edc TT |
1653 | char **alias_argv = built_alias_argv.get (); |
1654 | while (alias_argv[0] != NULL) | |
5a56e9c5 | 1655 | { |
773a1edc | 1656 | if (strcmp (alias_argv[0], "-a") == 0) |
5a56e9c5 DE |
1657 | { |
1658 | ++alias_argv; | |
1659 | abbrev_flag = 1; | |
1660 | } | |
773a1edc | 1661 | else if (strcmp (alias_argv[0], "--") == 0) |
5a56e9c5 DE |
1662 | { |
1663 | ++alias_argv; | |
1664 | break; | |
1665 | } | |
1666 | else | |
1667 | break; | |
1668 | } | |
1669 | ||
1670 | if (alias_argv[0] == NULL || command_argv[0] == NULL | |
1671 | || *alias_argv[0] == '\0' || *command_argv[0] == '\0') | |
7f31862a | 1672 | alias_usage_error (); |
5a56e9c5 DE |
1673 | |
1674 | for (i = 0; alias_argv[i] != NULL; ++i) | |
1675 | { | |
1676 | if (! valid_user_defined_cmd_name_p (alias_argv[i])) | |
1677 | { | |
1678 | if (i == 0) | |
1679 | error (_("Invalid command name: %s"), alias_argv[i]); | |
1680 | else | |
1681 | error (_("Invalid command element name: %s"), alias_argv[i]); | |
1682 | } | |
1683 | } | |
1684 | ||
1685 | alias_argc = countargv (alias_argv); | |
773a1edc | 1686 | command_argc = command_argv.count (); |
5a56e9c5 DE |
1687 | |
1688 | /* COMMAND must exist. | |
1689 | Reconstruct the command to remove any extraneous spaces, | |
1690 | for better error messages. */ | |
773a1edc TT |
1691 | std::string command_string (argv_to_string (command_argv.get (), |
1692 | command_argc)); | |
a97e29d2 | 1693 | command = command_string.c_str (); |
5a56e9c5 DE |
1694 | if (! valid_command_p (command)) |
1695 | error (_("Invalid command to alias to: %s"), command); | |
1696 | ||
1697 | /* ALIAS must not exist. */ | |
a97e29d2 TT |
1698 | std::string alias_string (argv_to_string (alias_argv, alias_argc)); |
1699 | alias = alias_string.c_str (); | |
5a56e9c5 DE |
1700 | if (valid_command_p (alias)) |
1701 | error (_("Alias already exists: %s"), alias); | |
1702 | ||
1703 | /* If ALIAS is one word, it is an alias for the entire COMMAND. | |
1704 | Example: alias spe = set print elements | |
1705 | ||
1706 | Otherwise ALIAS and COMMAND must have the same number of words, | |
b65b566c PW |
1707 | and every word except the last must identify the same prefix command; |
1708 | and the last word of ALIAS is made an alias of the last word of COMMAND. | |
5a56e9c5 DE |
1709 | Example: alias set print elms = set pr elem |
1710 | Note that unambiguous abbreviations are allowed. */ | |
1711 | ||
1712 | if (alias_argc == 1) | |
1713 | { | |
1714 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
1715 | add_com_alias (xstrdup (alias_argv[0]), command, class_alias, | |
1716 | abbrev_flag); | |
1717 | } | |
1718 | else | |
1719 | { | |
6f937416 | 1720 | const char *alias_prefix, *command_prefix; |
5a56e9c5 DE |
1721 | struct cmd_list_element *c_alias, *c_command; |
1722 | ||
1723 | if (alias_argc != command_argc) | |
1724 | error (_("Mismatched command length between ALIAS and COMMAND.")); | |
1725 | ||
1726 | /* Create copies of ALIAS and COMMAND without the last word, | |
b65b566c PW |
1727 | and use that to verify the leading elements give the same |
1728 | prefix command. */ | |
a97e29d2 TT |
1729 | std::string alias_prefix_string (argv_to_string (alias_argv, |
1730 | alias_argc - 1)); | |
b65b566c | 1731 | std::string command_prefix_string (argv_to_string (command_argv.get (), |
a97e29d2 TT |
1732 | command_argc - 1)); |
1733 | alias_prefix = alias_prefix_string.c_str (); | |
1734 | command_prefix = command_prefix_string.c_str (); | |
5a56e9c5 DE |
1735 | |
1736 | c_command = lookup_cmd_1 (& command_prefix, cmdlist, NULL, 1); | |
1737 | /* We've already tried to look up COMMAND. */ | |
1738 | gdb_assert (c_command != NULL | |
1739 | && c_command != (struct cmd_list_element *) -1); | |
1740 | gdb_assert (c_command->prefixlist != NULL); | |
1741 | c_alias = lookup_cmd_1 (& alias_prefix, cmdlist, NULL, 1); | |
1742 | if (c_alias != c_command) | |
1743 | error (_("ALIAS and COMMAND prefixes do not match.")); | |
1744 | ||
1745 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
1746 | add_alias_cmd (xstrdup (alias_argv[alias_argc - 1]), | |
1747 | command_argv[command_argc - 1], | |
1748 | class_alias, abbrev_flag, c_command->prefixlist); | |
1749 | } | |
1750 | } | |
d318976c | 1751 | \f |
06871ae8 PA |
1752 | /* Print the file / line number / symbol name of the location |
1753 | specified by SAL. */ | |
1754 | ||
1755 | static void | |
1756 | print_sal_location (const symtab_and_line &sal) | |
1757 | { | |
1758 | scoped_restore_current_program_space restore_pspace; | |
1759 | set_current_program_space (sal.pspace); | |
1760 | ||
1761 | const char *sym_name = NULL; | |
1762 | if (sal.symbol != NULL) | |
1763 | sym_name = SYMBOL_PRINT_NAME (sal.symbol); | |
1764 | printf_filtered (_("file: \"%s\", line number: %d, symbol: \"%s\"\n"), | |
1765 | symtab_to_filename_for_display (sal.symtab), | |
1766 | sal.line, sym_name != NULL ? sym_name : "???"); | |
1767 | } | |
1768 | ||
0378c332 | 1769 | /* Print a list of files and line numbers which a user may choose from |
ebcd3b23 | 1770 | in order to list a function which was specified ambiguously (as |
6c5b2ebe PA |
1771 | with `list classname::overloadedfuncname', for example). The SALS |
1772 | array provides the filenames and line numbers. FORMAT is a | |
1773 | printf-style format string used to tell the user what was | |
e439fa14 | 1774 | ambiguous. */ |
0378c332 FN |
1775 | |
1776 | static void | |
6c5b2ebe PA |
1777 | ambiguous_line_spec (gdb::array_view<const symtab_and_line> sals, |
1778 | const char *format, ...) | |
0378c332 | 1779 | { |
e439fa14 PA |
1780 | va_list ap; |
1781 | va_start (ap, format); | |
1782 | vprintf_filtered (format, ap); | |
1783 | va_end (ap); | |
1784 | ||
6c5b2ebe | 1785 | for (const auto &sal : sals) |
06871ae8 | 1786 | print_sal_location (sal); |
0378c332 FN |
1787 | } |
1788 | ||
6c5b2ebe PA |
1789 | /* Comparison function for filter_sals. Returns a qsort-style |
1790 | result. */ | |
f8eba3c6 TT |
1791 | |
1792 | static int | |
6c5b2ebe | 1793 | cmp_symtabs (const symtab_and_line &sala, const symtab_and_line &salb) |
f8eba3c6 | 1794 | { |
6c5b2ebe PA |
1795 | const char *dira = SYMTAB_DIRNAME (sala.symtab); |
1796 | const char *dirb = SYMTAB_DIRNAME (salb.symtab); | |
f8eba3c6 TT |
1797 | int r; |
1798 | ||
ee6f8984 | 1799 | if (dira == NULL) |
f8eba3c6 | 1800 | { |
ee6f8984 | 1801 | if (dirb != NULL) |
f8eba3c6 TT |
1802 | return -1; |
1803 | } | |
ee6f8984 | 1804 | else if (dirb == NULL) |
f8eba3c6 | 1805 | { |
ee6f8984 | 1806 | if (dira != NULL) |
f8eba3c6 TT |
1807 | return 1; |
1808 | } | |
1809 | else | |
1810 | { | |
ee6f8984 | 1811 | r = filename_cmp (dira, dirb); |
f8eba3c6 TT |
1812 | if (r) |
1813 | return r; | |
1814 | } | |
1815 | ||
6c5b2ebe | 1816 | r = filename_cmp (sala.symtab->filename, salb.symtab->filename); |
f8eba3c6 TT |
1817 | if (r) |
1818 | return r; | |
1819 | ||
6c5b2ebe | 1820 | if (sala.line < salb.line) |
f8eba3c6 | 1821 | return -1; |
6c5b2ebe | 1822 | return sala.line == salb.line ? 0 : 1; |
f8eba3c6 TT |
1823 | } |
1824 | ||
1825 | /* Remove any SALs that do not match the current program space, or | |
1826 | which appear to be "file:line" duplicates. */ | |
1827 | ||
1828 | static void | |
6c5b2ebe | 1829 | filter_sals (std::vector<symtab_and_line> &sals) |
f8eba3c6 | 1830 | { |
6c5b2ebe PA |
1831 | /* Remove SALs that do not match. */ |
1832 | auto from = std::remove_if (sals.begin (), sals.end (), | |
1833 | [&] (const symtab_and_line &sal) | |
1834 | { return (sal.pspace != current_program_space || sal.symtab == NULL); }); | |
1835 | ||
1836 | /* Remove dups. */ | |
1837 | std::sort (sals.begin (), from, | |
1838 | [] (const symtab_and_line &sala, const symtab_and_line &salb) | |
1839 | { return cmp_symtabs (sala, salb) < 0; }); | |
1840 | ||
1841 | from = std::unique (sals.begin (), from, | |
1842 | [&] (const symtab_and_line &sala, | |
1843 | const symtab_and_line &salb) | |
1844 | { return cmp_symtabs (sala, salb) == 0; }); | |
1845 | ||
1846 | sals.erase (from, sals.end ()); | |
f8eba3c6 TT |
1847 | } |
1848 | ||
d318976c | 1849 | static void |
981a3fb3 | 1850 | set_debug (const char *arg, int from_tty) |
d318976c | 1851 | { |
9a2b4c1b MS |
1852 | printf_unfiltered (_("\"set debug\" must be followed by " |
1853 | "the name of a debug subcommand.\n")); | |
635c7e8a | 1854 | help_list (setdebuglist, "set debug ", all_commands, gdb_stdout); |
d318976c FN |
1855 | } |
1856 | ||
1857 | static void | |
981a3fb3 | 1858 | show_debug (const char *args, int from_tty) |
d318976c FN |
1859 | { |
1860 | cmd_show_list (showdebuglist, from_tty, ""); | |
1861 | } | |
1862 | ||
1863 | void | |
1864 | init_cmd_lists (void) | |
1865 | { | |
20f01a46 | 1866 | max_user_call_depth = 1024; |
d318976c FN |
1867 | } |
1868 | ||
920d2a44 AC |
1869 | static void |
1870 | show_info_verbose (struct ui_file *file, int from_tty, | |
1871 | struct cmd_list_element *c, | |
1872 | const char *value) | |
1873 | { | |
1874 | if (info_verbose) | |
9a2b4c1b MS |
1875 | fprintf_filtered (file, |
1876 | _("Verbose printing of informational messages is %s.\n"), | |
1877 | value); | |
920d2a44 AC |
1878 | else |
1879 | fprintf_filtered (file, _("Verbosity is %s.\n"), value); | |
1880 | } | |
1881 | ||
1882 | static void | |
1883 | show_history_expansion_p (struct ui_file *file, int from_tty, | |
1884 | struct cmd_list_element *c, const char *value) | |
1885 | { | |
1886 | fprintf_filtered (file, _("History expansion on command input is %s.\n"), | |
1887 | value); | |
1888 | } | |
1889 | ||
920d2a44 AC |
1890 | static void |
1891 | show_remote_debug (struct ui_file *file, int from_tty, | |
1892 | struct cmd_list_element *c, const char *value) | |
1893 | { | |
1894 | fprintf_filtered (file, _("Debugging of remote protocol is %s.\n"), | |
1895 | value); | |
1896 | } | |
1897 | ||
1898 | static void | |
1899 | show_remote_timeout (struct ui_file *file, int from_tty, | |
1900 | struct cmd_list_element *c, const char *value) | |
1901 | { | |
9a2b4c1b MS |
1902 | fprintf_filtered (file, |
1903 | _("Timeout limit to wait for target to respond is %s.\n"), | |
920d2a44 AC |
1904 | value); |
1905 | } | |
1906 | ||
1907 | static void | |
1908 | show_max_user_call_depth (struct ui_file *file, int from_tty, | |
1909 | struct cmd_list_element *c, const char *value) | |
1910 | { | |
9a2b4c1b MS |
1911 | fprintf_filtered (file, |
1912 | _("The max call depth for user-defined commands is %s.\n"), | |
920d2a44 AC |
1913 | value); |
1914 | } | |
1915 | ||
d318976c | 1916 | void |
43e4916f | 1917 | _initialize_cli_cmds (void) |
d318976c FN |
1918 | { |
1919 | struct cmd_list_element *c; | |
1920 | ||
1921 | /* Define the classes of commands. | |
1bfeeb0f | 1922 | They will appear in the help list in alphabetical order. */ |
d318976c | 1923 | |
0450cc4c | 1924 | add_cmd ("internals", class_maintenance, _("\ |
1a966eab | 1925 | Maintenance commands.\n\ |
d318976c FN |
1926 | Some gdb commands are provided just for use by gdb maintainers.\n\ |
1927 | These commands are subject to frequent change, and may not be as\n\ | |
1a966eab | 1928 | well documented as user commands."), |
d318976c | 1929 | &cmdlist); |
0450cc4c TT |
1930 | add_cmd ("obscure", class_obscure, _("Obscure features."), &cmdlist); |
1931 | add_cmd ("aliases", class_alias, | |
9a2b4c1b | 1932 | _("Aliases of other commands."), &cmdlist); |
0450cc4c | 1933 | add_cmd ("user-defined", class_user, _("\ |
1a966eab | 1934 | User-defined commands.\n\ |
d318976c | 1935 | The commands in this class are those defined by the user.\n\ |
1a966eab | 1936 | Use the \"define\" command to define a command."), &cmdlist); |
0450cc4c | 1937 | add_cmd ("support", class_support, _("Support facilities."), &cmdlist); |
d318976c | 1938 | if (!dbx_commands) |
0450cc4c TT |
1939 | add_cmd ("status", class_info, _("Status inquiries."), &cmdlist); |
1940 | add_cmd ("files", class_files, _("Specifying and examining files."), | |
1a966eab | 1941 | &cmdlist); |
0450cc4c | 1942 | add_cmd ("breakpoints", class_breakpoint, |
1a966eab | 1943 | _("Making program stop at certain points."), &cmdlist); |
0450cc4c TT |
1944 | add_cmd ("data", class_vars, _("Examining data."), &cmdlist); |
1945 | add_cmd ("stack", class_stack, _("\ | |
1a966eab | 1946 | Examining the stack.\n\ |
d318976c FN |
1947 | The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\ |
1948 | counting from zero for the innermost (currently executing) frame.\n\n\ | |
1949 | At any time gdb identifies one frame as the \"selected\" frame.\n\ | |
1950 | Variable lookups are done with respect to the selected frame.\n\ | |
1951 | When the program being debugged stops, gdb selects the innermost frame.\n\ | |
1a966eab | 1952 | The commands below can be used to select other frames by number or address."), |
d318976c | 1953 | &cmdlist); |
0450cc4c | 1954 | add_cmd ("running", class_run, _("Running the program."), &cmdlist); |
d318976c | 1955 | |
ebcd3b23 | 1956 | /* Define general commands. */ |
d318976c | 1957 | |
d729566a | 1958 | add_com ("pwd", class_files, pwd_command, _("\ |
590042fc PW |
1959 | Print working directory.\n\ |
1960 | This is used for your program as well.")); | |
4f8d22e3 | 1961 | |
1a966eab | 1962 | c = add_cmd ("cd", class_files, cd_command, _("\ |
d092c5a2 SDJ |
1963 | Set working directory to DIR for debugger.\n\ |
1964 | The debugger's current working directory specifies where scripts and other\n\ | |
1965 | files that can be loaded by GDB are located.\n\ | |
1966 | In order to change the inferior's current working directory, the recommended\n\ | |
1967 | way is to use the \"set cwd\" command."), &cmdlist); | |
5ba2abeb | 1968 | set_cmd_completer (c, filename_completer); |
d318976c | 1969 | |
1bedd215 AC |
1970 | add_com ("echo", class_support, echo_command, _("\ |
1971 | Print a constant string. Give string as argument.\n\ | |
d318976c FN |
1972 | C escape sequences may be used in the argument.\n\ |
1973 | No newline is added at the end of the argument;\n\ | |
1974 | use \"\\n\" if you want a newline to be printed.\n\ | |
1975 | Since leading and trailing whitespace are ignored in command arguments,\n\ | |
1976 | if you want to print some you must use \"\\\" before leading whitespace\n\ | |
1bedd215 | 1977 | to be printed or after trailing whitespace.")); |
d318976c | 1978 | |
973817a3 JB |
1979 | add_setshow_enum_cmd ("script-extension", class_support, |
1980 | script_ext_enums, &script_ext_mode, _("\ | |
1981 | Set mode for script filename extension recognition."), _("\ | |
1982 | Show mode for script filename extension recognition."), _("\ | |
1983 | off == no filename extension recognition (all sourced files are GDB scripts)\n\ | |
1984 | soft == evaluate script according to filename extension, fallback to GDB script" | |
1985 | "\n\ | |
1986 | strict == evaluate script according to filename extension, error if not supported" | |
1987 | ), | |
1988 | NULL, | |
1989 | show_script_ext_mode, | |
1990 | &setlist, &showlist); | |
1991 | ||
bdb52a22 TT |
1992 | add_com ("quit", class_support, quit_command, _("\ |
1993 | Exit gdb.\n\ | |
1994 | Usage: quit [EXPR]\n\ | |
1995 | The optional expression EXPR, if present, is evaluated and the result\n\ | |
1996 | used as GDB's exit code. The default is zero.")); | |
1bedd215 AC |
1997 | c = add_com ("help", class_support, help_command, |
1998 | _("Print list of commands.")); | |
5ba2abeb | 1999 | set_cmd_completer (c, command_completer); |
d318976c FN |
2000 | add_com_alias ("q", "quit", class_support, 1); |
2001 | add_com_alias ("h", "help", class_support, 1); | |
2002 | ||
5bf193a2 AC |
2003 | add_setshow_boolean_cmd ("verbose", class_support, &info_verbose, _("\ |
2004 | Set verbosity."), _("\ | |
2005 | Show verbosity."), NULL, | |
2006 | set_verbose, | |
920d2a44 | 2007 | show_info_verbose, |
5bf193a2 | 2008 | &setlist, &showlist); |
d318976c FN |
2009 | |
2010 | add_prefix_cmd ("history", class_support, set_history, | |
1bedd215 | 2011 | _("Generic command for setting command history parameters."), |
d318976c FN |
2012 | &sethistlist, "set history ", 0, &setlist); |
2013 | add_prefix_cmd ("history", class_support, show_history, | |
1bedd215 | 2014 | _("Generic command for showing command history parameters."), |
d318976c FN |
2015 | &showhistlist, "show history ", 0, &showlist); |
2016 | ||
5bf193a2 AC |
2017 | add_setshow_boolean_cmd ("expansion", no_class, &history_expansion_p, _("\ |
2018 | Set history expansion on command input."), _("\ | |
2019 | Show history expansion on command input."), _("\ | |
2020 | Without an argument, history expansion is enabled."), | |
2021 | NULL, | |
920d2a44 | 2022 | show_history_expansion_p, |
5bf193a2 | 2023 | &sethistlist, &showhistlist); |
d318976c | 2024 | |
d729566a | 2025 | add_prefix_cmd ("info", class_info, info_command, _("\ |
1bedd215 | 2026 | Generic command for showing things about the program being debugged."), |
d729566a | 2027 | &infolist, "info ", 0, &cmdlist); |
d318976c | 2028 | add_com_alias ("i", "info", class_info, 1); |
a177aad3 | 2029 | add_com_alias ("inf", "info", class_info, 1); |
d318976c FN |
2030 | |
2031 | add_com ("complete", class_obscure, complete_command, | |
1bedd215 | 2032 | _("List the completions for the rest of the line as a command.")); |
d318976c | 2033 | |
d729566a | 2034 | add_prefix_cmd ("show", class_info, show_command, _("\ |
700b53b1 | 2035 | Generic command for showing things about the debugger."), |
d729566a | 2036 | &showlist, "show ", 0, &cmdlist); |
d318976c | 2037 | /* Another way to get at the same thing. */ |
1bedd215 | 2038 | add_info ("set", show_command, _("Show all GDB settings.")); |
d318976c | 2039 | |
fdbc9870 PA |
2040 | c = add_com ("with", class_vars, with_command, _("\ |
2041 | Temporarily set SETTING to VALUE, run COMMAND, and restore SETTING.\n\ | |
2042 | Usage: with SETTING [VALUE] [-- COMMAND]\n\ | |
2043 | Usage: w SETTING [VALUE] [-- COMMAND]\n\ | |
2044 | With no COMMAND, repeats the last executed command.\n\ | |
2045 | \n\ | |
2046 | SETTING is any setting you can change with the \"set\" subcommands.\n\ | |
2047 | E.g.:\n\ | |
2048 | with language pascal -- print obj\n\ | |
2049 | with print elements unlimited -- print obj\n\ | |
2050 | \n\ | |
2051 | You can change multiple settings using nested with, and use\n\ | |
2052 | abbreviations for commands and/or values. E.g.:\n\ | |
2053 | w la p -- w p el u -- p obj")); | |
2054 | set_cmd_completer_handle_brkchars (c, with_command_completer); | |
2055 | add_com_alias ("w", "with", class_vars, 1); | |
2056 | ||
db5f229b | 2057 | add_cmd ("commands", no_set_class, show_commands, _("\ |
1a966eab | 2058 | Show the history of commands you typed.\n\ |
d318976c | 2059 | You can supply a command number to start with, or a `+' to start after\n\ |
1a966eab | 2060 | the previous command number shown."), |
d318976c FN |
2061 | &showlist); |
2062 | ||
db5f229b | 2063 | add_cmd ("version", no_set_class, show_version, |
1a966eab | 2064 | _("Show what version of GDB this is."), &showlist); |
d318976c | 2065 | |
6eaaf48b EZ |
2066 | add_cmd ("configuration", no_set_class, show_configuration, |
2067 | _("Show how GDB was configured at build time."), &showlist); | |
2068 | ||
85c07804 AC |
2069 | add_setshow_zinteger_cmd ("remote", no_class, &remote_debug, _("\ |
2070 | Set debugging of remote protocol."), _("\ | |
2071 | Show debugging of remote protocol."), _("\ | |
d318976c | 2072 | When enabled, each packet sent or received with the remote target\n\ |
85c07804 AC |
2073 | is displayed."), |
2074 | NULL, | |
920d2a44 | 2075 | show_remote_debug, |
85c07804 | 2076 | &setdebuglist, &showdebuglist); |
d318976c | 2077 | |
6fc1c773 YQ |
2078 | add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class, |
2079 | &remote_timeout, _("\ | |
c0d88b1b AC |
2080 | Set timeout limit to wait for target to respond."), _("\ |
2081 | Show timeout limit to wait for target to respond."), _("\ | |
d318976c | 2082 | This value is used to set the time limit for gdb to wait for a response\n\ |
c0d88b1b | 2083 | from the target."), |
6fc1c773 YQ |
2084 | NULL, |
2085 | show_remote_timeout, | |
2086 | &setlist, &showlist); | |
d318976c FN |
2087 | |
2088 | add_prefix_cmd ("debug", no_class, set_debug, | |
590042fc | 2089 | _("Generic command for setting gdb debugging flags."), |
d318976c FN |
2090 | &setdebuglist, "set debug ", 0, &setlist); |
2091 | ||
2092 | add_prefix_cmd ("debug", no_class, show_debug, | |
590042fc | 2093 | _("Generic command for showing gdb debugging flags."), |
d318976c FN |
2094 | &showdebuglist, "show debug ", 0, &showlist); |
2095 | ||
be47f9e8 | 2096 | c = add_com ("shell", class_support, shell_command, _("\ |
1bedd215 AC |
2097 | Execute the rest of the line as a shell command.\n\ |
2098 | With no arguments, run an inferior shell.")); | |
5ba2abeb | 2099 | set_cmd_completer (c, filename_completer); |
d318976c | 2100 | |
d563b953 PW |
2101 | add_com_alias ("!", "shell", class_support, 0); |
2102 | ||
1bedd215 AC |
2103 | c = add_com ("edit", class_files, edit_command, _("\ |
2104 | Edit specified file or function.\n\ | |
0378c332 | 2105 | With no argument, edits file containing most recent line listed.\n\ |
0378c332 FN |
2106 | Editing targets can be specified in these ways:\n\ |
2107 | FILE:LINENUM, to edit at that line in that file,\n\ | |
2108 | FUNCTION, to edit at the beginning of that function,\n\ | |
2109 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
2110 | *ADDRESS, to edit at the line containing that address.\n\ | |
1bedd215 | 2111 | Uses EDITOR environment variable contents as editor (or ex as default).")); |
0378c332 FN |
2112 | |
2113 | c->completer = location_completer; | |
2114 | ||
947d3946 PW |
2115 | c = add_com ("pipe", class_support, pipe_command, _("\ |
2116 | Send the output of a gdb command to a shell command.\n\ | |
2117 | Usage: | [COMMAND] | SHELL_COMMAND\n\ | |
2118 | Usage: | -d DELIM COMMAND DELIM SHELL_COMMAND\n\ | |
2119 | Usage: pipe [COMMAND] | SHELL_COMMAND\n\ | |
2120 | Usage: pipe -d DELIM COMMAND DELIM SHELL_COMMAND\n\ | |
2121 | \n\ | |
2122 | Executes COMMAND and sends its output to SHELL_COMMAND.\n\ | |
2123 | \n\ | |
2124 | The -d option indicates to use the string DELIM to separate COMMAND\n\ | |
2125 | from SHELL_COMMAND, in alternative to |. This is useful in\n\ | |
2126 | case COMMAND contains a | character.\n\ | |
2127 | \n\ | |
2128 | With no COMMAND, repeat the last executed command\n\ | |
2129 | and send its output to SHELL_COMMAND.")); | |
5f4ba3e7 | 2130 | set_cmd_completer_handle_brkchars (c, pipe_command_completer); |
947d3946 PW |
2131 | add_com_alias ("|", "pipe", class_support, 0); |
2132 | ||
1bedd215 AC |
2133 | add_com ("list", class_files, list_command, _("\ |
2134 | List specified function or line.\n\ | |
0378c332 FN |
2135 | With no argument, lists ten more lines after or around previous listing.\n\ |
2136 | \"list -\" lists the ten lines before a previous ten-line listing.\n\ | |
2137 | One argument specifies a line, and ten lines are listed around that line.\n\ | |
2138 | Two arguments with comma between specify starting and ending lines to list.\n\ | |
0378c332 FN |
2139 | Lines can be specified in these ways:\n\ |
2140 | LINENUM, to list around that line in current file,\n\ | |
2141 | FILE:LINENUM, to list around that line in that file,\n\ | |
2142 | FUNCTION, to list around beginning of that function,\n\ | |
2143 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
2144 | *ADDRESS, to list around the line containing that address.\n\ | |
4fdd372d AB |
2145 | With two args, if one is empty, it stands for ten lines away from\n\ |
2146 | the other arg.\n\ | |
2147 | \n\ | |
2148 | By default, when a single location is given, display ten lines.\n\ | |
2149 | This can be changed using \"set listsize\", and the current value\n\ | |
2150 | can be shown using \"show listsize\".")); | |
0378c332 | 2151 | |
4f45d445 | 2152 | add_com_alias ("l", "list", class_files, 1); |
0378c332 FN |
2153 | |
2154 | if (dbx_commands) | |
2155 | add_com_alias ("file", "list", class_files, 1); | |
2156 | ||
1bedd215 AC |
2157 | c = add_com ("disassemble", class_vars, disassemble_command, _("\ |
2158 | Disassemble a specified section of memory.\n\ | |
83c31e7d | 2159 | Default is the function surrounding the pc of the selected frame.\n\ |
6ff0ba5f | 2160 | \n\ |
d14508fe | 2161 | With a /m modifier, source lines are included (if available).\n\ |
6ff0ba5f DE |
2162 | This view is \"source centric\": the output is in source line order,\n\ |
2163 | regardless of any optimization that is present. Only the main source file\n\ | |
2164 | is displayed, not those of, e.g., any inlined functions.\n\ | |
2165 | This modifier hasn't proved useful in practice and is deprecated\n\ | |
2166 | in favor of /s.\n\ | |
2167 | \n\ | |
2168 | With a /s modifier, source lines are included (if available).\n\ | |
2169 | This differs from /m in two important respects:\n\ | |
2170 | - the output is still in pc address order, and\n\ | |
2171 | - file names and contents for all relevant source files are displayed.\n\ | |
2172 | \n\ | |
e6158f16 | 2173 | With a /r modifier, raw instructions in hex are included.\n\ |
6ff0ba5f | 2174 | \n\ |
83c31e7d | 2175 | With a single argument, the function surrounding that address is dumped.\n\ |
53a71c06 | 2176 | Two arguments (separated by a comma) are taken as a range of memory to dump,\n\ |
7e1e0340 DE |
2177 | in the form of \"start,end\", or \"start,+length\".\n\ |
2178 | \n\ | |
2179 | Note that the address is interpreted as an expression, not as a location\n\ | |
2180 | like in the \"break\" command.\n\ | |
2181 | So, for example, if you want to disassemble function bar in file foo.c\n\ | |
2182 | you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\".")); | |
83c31e7d | 2183 | set_cmd_completer (c, location_completer); |
0378c332 | 2184 | |
1bedd215 AC |
2185 | c = add_com ("make", class_support, make_command, _("\ |
2186 | Run the ``make'' program using the rest of the line as arguments.")); | |
5ba2abeb | 2187 | set_cmd_completer (c, filename_completer); |
1a966eab | 2188 | add_cmd ("user", no_class, show_user, _("\ |
ed3ef339 | 2189 | Show definitions of non-python/scheme user defined commands.\n\ |
d318976c | 2190 | Argument is the name of the user defined command.\n\ |
1a966eab | 2191 | With no argument, show definitions of all user defined commands."), &showlist); |
66d8c862 | 2192 | add_com ("apropos", class_support, apropos_command, _("\ |
590042fc | 2193 | Search for commands matching a REGEXP.\n\ |
66d8c862 PW |
2194 | Usage: apropos [-v] REGEXP\n\ |
2195 | Flag -v indicates to produce a verbose output, showing full documentation\n\ | |
2196 | of the matching commands.")); | |
20f01a46 | 2197 | |
883b9c6c | 2198 | add_setshow_uinteger_cmd ("max-user-call-depth", no_class, |
c0d88b1b | 2199 | &max_user_call_depth, _("\ |
ed3ef339 DE |
2200 | Set the max call depth for non-python/scheme user-defined commands."), _("\ |
2201 | Show the max call depth for non-python/scheme user-defined commands."), NULL, | |
883b9c6c YQ |
2202 | NULL, |
2203 | show_max_user_call_depth, | |
2204 | &setlist, &showlist); | |
16026cd7 AS |
2205 | |
2206 | add_setshow_boolean_cmd ("trace-commands", no_class, &trace_commands, _("\ | |
2207 | Set tracing of GDB CLI commands."), _("\ | |
2208 | Show state of GDB CLI command tracing."), _("\ | |
2209 | When 'on', each command is displayed as it is executed."), | |
2210 | NULL, | |
2211 | NULL, | |
2212 | &setlist, &showlist); | |
5a56e9c5 DE |
2213 | |
2214 | c = add_com ("alias", class_support, alias_command, _("\ | |
2215 | Define a new command that is an alias of an existing command.\n\ | |
2216 | Usage: alias [-a] [--] ALIAS = COMMAND\n\ | |
2217 | ALIAS is the name of the alias command to create.\n\ | |
2218 | COMMAND is the command being aliased to.\n\ | |
2219 | If \"-a\" is specified, the command is an abbreviation,\n\ | |
2220 | and will not appear in help command list output.\n\ | |
2221 | \n\ | |
2222 | Examples:\n\ | |
2223 | Make \"spe\" an alias of \"set print elements\":\n\ | |
2224 | alias spe = set print elements\n\ | |
2225 | Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\ | |
2226 | alias -a set print elms = set print elements")); | |
43e4916f | 2227 | |
b777eb6d | 2228 | const char *source_help_text = xstrprintf (_("\ |
43e4916f TT |
2229 | Read commands from a file named FILE.\n\ |
2230 | \n\ | |
2231 | Usage: source [-s] [-v] FILE\n\ | |
2232 | -s: search for the script in the source search path,\n\ | |
2233 | even if FILE contains directories.\n\ | |
2234 | -v: each command in FILE is echoed as it is executed.\n\ | |
2235 | \n\ | |
2236 | Note that the file \"%s\" is read automatically in this way\n\ | |
b777eb6d | 2237 | when GDB is started."), GDBINIT); |
43e4916f TT |
2238 | c = add_cmd ("source", class_support, source_command, |
2239 | source_help_text, &cmdlist); | |
2240 | set_cmd_completer (c, filename_completer); | |
2241 | } |