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d318976c | 1 | /* GDB CLI commands. |
8926118c | 2 | |
213516ef | 3 | Copyright (C) 2000-2023 Free Software Foundation, Inc. |
d318976c FN |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
d318976c FN |
10 | (at your option) any later version. |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
d318976c FN |
19 | |
20 | #include "defs.h" | |
13274fc3 | 21 | #include "arch-utils.h" |
dbda9972 | 22 | #include "readline/tilde.h" |
d318976c | 23 | #include "completer.h" |
ef0f16cc TT |
24 | #include "target.h" |
25 | #include "gdbsupport/gdb_wait.h" | |
947d3946 | 26 | #include "gdbcmd.h" |
ef0f16cc | 27 | #include "gdbsupport/gdb_regex.h" |
325ed089 | 28 | #include "gdb_vfork.h" |
0378c332 FN |
29 | #include "linespec.h" |
30 | #include "expression.h" | |
83c31e7d FN |
31 | #include "frame.h" |
32 | #include "value.h" | |
0378c332 | 33 | #include "language.h" |
ef0f16cc | 34 | #include "filenames.h" |
0378c332 FN |
35 | #include "objfiles.h" |
36 | #include "source.h" | |
83c31e7d | 37 | #include "disasm.h" |
33da3f1c | 38 | #include "tracepoint.h" |
268a13a5 | 39 | #include "gdbsupport/filestuff.h" |
f00aae0f | 40 | #include "location.h" |
e9480230 | 41 | #include "block.h" |
91265a7d | 42 | #include "valprint.h" |
d318976c | 43 | |
d318976c | 44 | #include "ui-out.h" |
947d3946 | 45 | #include "interps.h" |
d318976c FN |
46 | |
47 | #include "top.h" | |
13d03262 | 48 | #include "ui.h" |
d318976c FN |
49 | #include "cli/cli-decode.h" |
50 | #include "cli/cli-script.h" | |
51 | #include "cli/cli-setshow.h" | |
52 | #include "cli/cli-cmds.h" | |
14309bb6 | 53 | #include "cli/cli-style.h" |
529480d0 | 54 | #include "cli/cli-utils.h" |
cf00cd6f | 55 | #include "cli/cli-style.h" |
d318976c | 56 | |
6dddc817 | 57 | #include "extension.h" |
268a13a5 | 58 | #include "gdbsupport/pathstuff.h" |
1845e254 | 59 | #include "gdbsupport/gdb_tilde_expand.h" |
973817a3 | 60 | |
6a83354a | 61 | #ifdef TUI |
ef0f16cc | 62 | #include "tui/tui.h" |
6a83354a AC |
63 | #endif |
64 | ||
4b505b12 | 65 | #include <fcntl.h> |
325fac50 | 66 | #include <algorithm> |
a97e29d2 | 67 | #include <string> |
4b505b12 | 68 | |
0378c332 FN |
69 | /* Prototypes for local utility functions */ |
70 | ||
06871ae8 PA |
71 | static void print_sal_location (const symtab_and_line &sal); |
72 | ||
6c5b2ebe | 73 | static void ambiguous_line_spec (gdb::array_view<const symtab_and_line> sals, |
e439fa14 PA |
74 | const char *format, ...) |
75 | ATTRIBUTE_PRINTF (2, 3); | |
f8eba3c6 | 76 | |
6c5b2ebe | 77 | static void filter_sals (std::vector<symtab_and_line> &); |
f8eba3c6 | 78 | |
d318976c | 79 | \f |
cc8dee1f | 80 | /* See cli-cmds.h. */ |
37163dcf | 81 | unsigned int max_user_call_depth = 1024; |
20f01a46 | 82 | |
d318976c FN |
83 | /* Define all cmd_list_elements. */ |
84 | ||
85 | /* Chain containing all defined commands. */ | |
86 | ||
87 | struct cmd_list_element *cmdlist; | |
88 | ||
89 | /* Chain containing all defined info subcommands. */ | |
90 | ||
91 | struct cmd_list_element *infolist; | |
92 | ||
ebcd3b23 | 93 | /* Chain containing all defined enable subcommands. */ |
d318976c FN |
94 | |
95 | struct cmd_list_element *enablelist; | |
96 | ||
ebcd3b23 | 97 | /* Chain containing all defined disable subcommands. */ |
d318976c FN |
98 | |
99 | struct cmd_list_element *disablelist; | |
100 | ||
ebcd3b23 | 101 | /* Chain containing all defined stop subcommands. */ |
d318976c FN |
102 | |
103 | struct cmd_list_element *stoplist; | |
104 | ||
ebcd3b23 | 105 | /* Chain containing all defined delete subcommands. */ |
d318976c FN |
106 | |
107 | struct cmd_list_element *deletelist; | |
108 | ||
ebcd3b23 | 109 | /* Chain containing all defined detach subcommands. */ |
f73adfeb AS |
110 | |
111 | struct cmd_list_element *detachlist; | |
112 | ||
ebcd3b23 | 113 | /* Chain containing all defined kill subcommands. */ |
2277426b PA |
114 | |
115 | struct cmd_list_element *killlist; | |
116 | ||
d318976c FN |
117 | /* Chain containing all defined set subcommands */ |
118 | ||
119 | struct cmd_list_element *setlist; | |
120 | ||
121 | /* Chain containing all defined unset subcommands */ | |
122 | ||
123 | struct cmd_list_element *unsetlist; | |
124 | ||
125 | /* Chain containing all defined show subcommands. */ | |
126 | ||
127 | struct cmd_list_element *showlist; | |
128 | ||
129 | /* Chain containing all defined \"set history\". */ | |
130 | ||
131 | struct cmd_list_element *sethistlist; | |
132 | ||
133 | /* Chain containing all defined \"show history\". */ | |
134 | ||
135 | struct cmd_list_element *showhistlist; | |
136 | ||
137 | /* Chain containing all defined \"unset history\". */ | |
138 | ||
139 | struct cmd_list_element *unsethistlist; | |
140 | ||
ebcd3b23 | 141 | /* Chain containing all defined maintenance subcommands. */ |
d318976c FN |
142 | |
143 | struct cmd_list_element *maintenancelist; | |
144 | ||
ebcd3b23 | 145 | /* Chain containing all defined "maintenance info" subcommands. */ |
d318976c FN |
146 | |
147 | struct cmd_list_element *maintenanceinfolist; | |
148 | ||
ebcd3b23 | 149 | /* Chain containing all defined "maintenance print" subcommands. */ |
d318976c FN |
150 | |
151 | struct cmd_list_element *maintenanceprintlist; | |
152 | ||
27d41eac YQ |
153 | /* Chain containing all defined "maintenance check" subcommands. */ |
154 | ||
155 | struct cmd_list_element *maintenancechecklist; | |
156 | ||
50a5f187 AB |
157 | /* Chain containing all defined "maintenance flush" subcommands. */ |
158 | ||
159 | struct cmd_list_element *maintenanceflushlist; | |
160 | ||
d318976c FN |
161 | struct cmd_list_element *setprintlist; |
162 | ||
163 | struct cmd_list_element *showprintlist; | |
164 | ||
165 | struct cmd_list_element *setdebuglist; | |
166 | ||
167 | struct cmd_list_element *showdebuglist; | |
168 | ||
169 | struct cmd_list_element *setchecklist; | |
170 | ||
171 | struct cmd_list_element *showchecklist; | |
16026cd7 | 172 | |
fde1a9a3 AB |
173 | struct cmd_list_element *setsourcelist; |
174 | ||
175 | struct cmd_list_element *showsourcelist; | |
176 | ||
16026cd7 AS |
177 | /* Command tracing state. */ |
178 | ||
179 | int source_verbose = 0; | |
491144b5 | 180 | bool trace_commands = false; |
d318976c | 181 | \f |
973817a3 JB |
182 | /* 'script-extension' option support. */ |
183 | ||
184 | static const char script_ext_off[] = "off"; | |
185 | static const char script_ext_soft[] = "soft"; | |
186 | static const char script_ext_strict[] = "strict"; | |
187 | ||
40478521 | 188 | static const char *const script_ext_enums[] = { |
973817a3 JB |
189 | script_ext_off, |
190 | script_ext_soft, | |
191 | script_ext_strict, | |
192 | NULL | |
193 | }; | |
194 | ||
195 | static const char *script_ext_mode = script_ext_soft; | |
196 | \f | |
61fb7376 TBA |
197 | |
198 | /* User-controllable flag to suppress event notification on CLI. */ | |
199 | ||
200 | static bool user_wants_cli_suppress_notification = false; | |
201 | ||
d318976c | 202 | /* Utility used everywhere when at least one argument is needed and |
ebcd3b23 | 203 | none is supplied. */ |
d318976c FN |
204 | |
205 | void | |
5b10184c | 206 | error_no_arg (const char *why) |
d318976c | 207 | { |
8a3fe4f8 | 208 | error (_("Argument required (%s)."), why); |
d318976c FN |
209 | } |
210 | ||
4fd6c7e8 TT |
211 | /* This implements the "info" prefix command. Normally such commands |
212 | are automatically handled by add_basic_prefix_cmd, but in this case | |
213 | a separate command is used so that it can be hooked into by | |
214 | gdb-gdb.gdb. */ | |
215 | ||
216 | static void | |
217 | info_command (const char *arg, int from_tty) | |
218 | { | |
219 | help_list (infolist, "info ", all_commands, gdb_stdout); | |
220 | } | |
221 | ||
fdbc9870 PA |
222 | /* See cli/cli-cmds.h. */ |
223 | ||
224 | void | |
225 | with_command_1 (const char *set_cmd_prefix, | |
226 | cmd_list_element *setlist, const char *args, int from_tty) | |
227 | { | |
26c957f1 PA |
228 | if (args == nullptr) |
229 | error (_("Missing arguments.")); | |
230 | ||
fdbc9870 PA |
231 | const char *delim = strstr (args, "--"); |
232 | const char *nested_cmd = nullptr; | |
233 | ||
234 | if (delim == args) | |
235 | error (_("Missing setting before '--' delimiter")); | |
236 | ||
237 | if (delim == nullptr || *skip_spaces (&delim[2]) == '\0') | |
238 | nested_cmd = repeat_previous (); | |
239 | ||
240 | cmd_list_element *set_cmd = lookup_cmd (&args, setlist, set_cmd_prefix, | |
cf00cd6f | 241 | nullptr, |
fdbc9870 PA |
242 | /*allow_unknown=*/ 0, |
243 | /*ignore_help_classes=*/ 1); | |
244 | gdb_assert (set_cmd != nullptr); | |
245 | ||
1d7fe7f0 | 246 | if (!set_cmd->var.has_value ()) |
fdbc9870 PA |
247 | error (_("Cannot use this setting with the \"with\" command")); |
248 | ||
249 | std::string temp_value | |
250 | = (delim == nullptr ? args : std::string (args, delim - args)); | |
251 | ||
252 | if (nested_cmd == nullptr) | |
253 | nested_cmd = skip_spaces (delim + 2); | |
254 | ||
1d7fe7f0 LS |
255 | gdb_assert (set_cmd->var.has_value ()); |
256 | std::string org_value = get_setshow_command_value_string (*set_cmd->var); | |
fdbc9870 PA |
257 | |
258 | /* Tweak the setting to the new temporary value. */ | |
259 | do_set_command (temp_value.c_str (), from_tty, set_cmd); | |
260 | ||
261 | try | |
262 | { | |
263 | scoped_restore save_async = make_scoped_restore (¤t_ui->async, 0); | |
264 | ||
265 | /* Execute the nested command. */ | |
266 | execute_command (nested_cmd, from_tty); | |
267 | } | |
268 | catch (const gdb_exception &ex) | |
269 | { | |
270 | /* Restore the setting and rethrow. If restoring the setting | |
271 | throws, swallow the new exception and warn. There's nothing | |
272 | else we can reasonably do. */ | |
273 | try | |
274 | { | |
275 | do_set_command (org_value.c_str (), from_tty, set_cmd); | |
276 | } | |
277 | catch (const gdb_exception &ex2) | |
278 | { | |
279 | warning (_("Couldn't restore setting: %s"), ex2.what ()); | |
280 | } | |
281 | ||
282 | throw; | |
283 | } | |
284 | ||
285 | /* Restore the setting. */ | |
286 | do_set_command (org_value.c_str (), from_tty, set_cmd); | |
287 | } | |
288 | ||
289 | /* See cli/cli-cmds.h. */ | |
290 | ||
291 | void | |
292 | with_command_completer_1 (const char *set_cmd_prefix, | |
293 | completion_tracker &tracker, | |
294 | const char *text) | |
295 | { | |
296 | tracker.set_use_custom_word_point (true); | |
297 | ||
298 | const char *delim = strstr (text, "--"); | |
299 | ||
300 | /* If we're still not past the "--" delimiter, complete the "with" | |
301 | command as if it was a "set" command. */ | |
302 | if (delim == text | |
303 | || delim == nullptr | |
304 | || !isspace (delim[-1]) | |
305 | || !(isspace (delim[2]) || delim[2] == '\0')) | |
306 | { | |
307 | std::string new_text = std::string (set_cmd_prefix) + text; | |
308 | tracker.advance_custom_word_point_by (-(int) strlen (set_cmd_prefix)); | |
309 | complete_nested_command_line (tracker, new_text.c_str ()); | |
310 | return; | |
311 | } | |
312 | ||
313 | /* We're past the "--" delimiter. Complete on the sub command. */ | |
314 | const char *nested_cmd = skip_spaces (delim + 2); | |
315 | tracker.advance_custom_word_point_by (nested_cmd - text); | |
316 | complete_nested_command_line (tracker, nested_cmd); | |
317 | } | |
318 | ||
319 | /* The "with" command. */ | |
320 | ||
321 | static void | |
322 | with_command (const char *args, int from_tty) | |
323 | { | |
324 | with_command_1 ("set ", setlist, args, from_tty); | |
325 | } | |
326 | ||
327 | /* "with" command completer. */ | |
328 | ||
329 | static void | |
330 | with_command_completer (struct cmd_list_element *ignore, | |
331 | completion_tracker &tracker, | |
332 | const char *text, const char * /*word*/) | |
333 | { | |
334 | with_command_completer_1 ("set ", tracker, text); | |
335 | } | |
336 | ||
cf00cd6f PW |
337 | /* Look up the contents of TEXT as a command usable with default args. |
338 | Throws an error if no such command is found. | |
339 | Return the found command and advances TEXT past the found command. | |
340 | If the found command is a postfix command, set *PREFIX_CMD to its | |
341 | prefix command. */ | |
342 | ||
343 | static struct cmd_list_element * | |
344 | lookup_cmd_for_default_args (const char **text, | |
345 | struct cmd_list_element **prefix_cmd) | |
346 | { | |
347 | const char *orig_text = *text; | |
348 | struct cmd_list_element *lcmd; | |
349 | ||
350 | if (*text == nullptr || skip_spaces (*text) == nullptr) | |
351 | error (_("ALIAS missing.")); | |
352 | ||
353 | /* We first use lookup_cmd to verify TEXT unambiguously identifies | |
354 | a command. */ | |
355 | lcmd = lookup_cmd (text, cmdlist, "", NULL, | |
356 | /*allow_unknown=*/ 0, | |
357 | /*ignore_help_classes=*/ 1); | |
358 | ||
359 | /* Note that we accept default args for prefix commands, | |
360 | as a prefix command can also be a valid usable | |
361 | command accepting some arguments. | |
362 | For example, "thread apply" applies a command to a | |
363 | list of thread ids, and is also the prefix command for | |
364 | thread apply all. */ | |
365 | ||
366 | /* We have an unambiguous command for which default args | |
367 | can be specified. What remains after having found LCMD | |
368 | is either spaces, or the default args character. */ | |
369 | ||
370 | /* We then use lookup_cmd_composition to detect if the user | |
371 | has specified an alias, and find the possible prefix_cmd | |
372 | of cmd. */ | |
373 | struct cmd_list_element *alias, *cmd; | |
374 | lookup_cmd_composition | |
375 | (std::string (orig_text, *text - orig_text).c_str (), | |
376 | &alias, prefix_cmd, &cmd); | |
377 | gdb_assert (cmd != nullptr); | |
378 | gdb_assert (cmd == lcmd); | |
379 | if (alias != nullptr) | |
380 | cmd = alias; | |
381 | ||
382 | return cmd; | |
383 | } | |
384 | ||
d318976c FN |
385 | /* Provide documentation on command or list given by COMMAND. FROM_TTY |
386 | is ignored. */ | |
387 | ||
d318976c | 388 | static void |
0b39b52e | 389 | help_command (const char *command, int from_tty) |
d318976c FN |
390 | { |
391 | help_cmd (command, gdb_stdout); | |
392 | } | |
393 | \f | |
eb3ff9a5 | 394 | |
ef0b411a GB |
395 | /* Note: The "complete" command is used by Emacs to implement completion. |
396 | [Is that why this function writes output with *_unfiltered?] */ | |
d318976c | 397 | |
d318976c | 398 | static void |
0b39b52e | 399 | complete_command (const char *arg, int from_tty) |
d318976c | 400 | { |
d318976c FN |
401 | dont_repeat (); |
402 | ||
ef0b411a GB |
403 | if (max_completions == 0) |
404 | { | |
405 | /* Only print this for non-mi frontends. An MI frontend may not | |
406 | be able to handle this. */ | |
112e8700 | 407 | if (!current_uiout->is_mi_like_p ()) |
ef0b411a GB |
408 | { |
409 | printf_unfiltered (_("max-completions is zero," | |
410 | " completion is disabled.\n")); | |
411 | } | |
412 | return; | |
413 | } | |
414 | ||
d318976c FN |
415 | if (arg == NULL) |
416 | arg = ""; | |
d9b52655 | 417 | |
6a2c1b87 PA |
418 | int quote_char = '\0'; |
419 | const char *word; | |
420 | ||
6e035501 | 421 | completion_result result = complete (arg, &word, "e_char); |
eb3ff9a5 | 422 | |
eb3ff9a5 PA |
423 | if (result.number_matches != 0) |
424 | { | |
fb7806c7 TV |
425 | std::string arg_prefix (arg, word - arg); |
426 | ||
eb3ff9a5 PA |
427 | if (result.number_matches == 1) |
428 | printf_unfiltered ("%s%s\n", arg_prefix.c_str (), result.match_list[0]); | |
429 | else | |
83d31a92 | 430 | { |
eb3ff9a5 PA |
431 | result.sort_match_list (); |
432 | ||
433 | for (size_t i = 0; i < result.number_matches; i++) | |
83d31a92 | 434 | { |
eb3ff9a5 PA |
435 | printf_unfiltered ("%s%s", |
436 | arg_prefix.c_str (), | |
437 | result.match_list[i + 1]); | |
6a2c1b87 PA |
438 | if (quote_char) |
439 | printf_unfiltered ("%c", quote_char); | |
eb3ff9a5 | 440 | printf_unfiltered ("\n"); |
83d31a92 | 441 | } |
83d31a92 TT |
442 | } |
443 | ||
eb3ff9a5 | 444 | if (result.number_matches == max_completions) |
ef0b411a | 445 | { |
6a2c1b87 | 446 | /* ARG_PREFIX and WORD are included in the output so that emacs |
ef0b411a GB |
447 | will include the message in the output. */ |
448 | printf_unfiltered (_("%s%s %s\n"), | |
6a2c1b87 | 449 | arg_prefix.c_str (), word, |
ef0b411a GB |
450 | get_max_completions_reached_message ()); |
451 | } | |
d318976c FN |
452 | } |
453 | } | |
454 | ||
bbaca940 AC |
455 | int |
456 | is_complete_command (struct cmd_list_element *c) | |
d318976c | 457 | { |
3a553c80 | 458 | return cmd_simple_func_eq (c, complete_command); |
d318976c FN |
459 | } |
460 | ||
d318976c | 461 | static void |
dede02ce | 462 | show_version (const char *args, int from_tty) |
d318976c | 463 | { |
c61b06a1 | 464 | print_gdb_version (gdb_stdout, true); |
6cb06a8c | 465 | gdb_printf ("\n"); |
d318976c FN |
466 | } |
467 | ||
6eaaf48b | 468 | static void |
dede02ce | 469 | show_configuration (const char *args, int from_tty) |
6eaaf48b EZ |
470 | { |
471 | print_gdb_configuration (gdb_stdout); | |
472 | } | |
473 | ||
d318976c FN |
474 | /* Handle the quit command. */ |
475 | ||
476 | void | |
0b39b52e | 477 | quit_command (const char *args, int from_tty) |
d318976c | 478 | { |
36cf1806 TT |
479 | int exit_code = 0; |
480 | ||
481 | /* An optional expression may be used to cause gdb to terminate with | |
482 | the value of that expression. */ | |
483 | if (args) | |
484 | { | |
485 | struct value *val = parse_and_eval (args); | |
486 | ||
487 | exit_code = (int) value_as_long (val); | |
488 | } | |
489 | ||
d318976c | 490 | if (!quit_confirm ()) |
8a3fe4f8 | 491 | error (_("Not confirmed.")); |
d5551862 | 492 | |
be6a2dca TV |
493 | try |
494 | { | |
495 | query_if_trace_running (from_tty); | |
496 | } | |
497 | catch (const gdb_exception_error &ex) | |
498 | { | |
499 | if (ex.error == TARGET_CLOSE_ERROR) | |
500 | /* We don't care about this since we're quitting anyway, so keep | |
501 | quitting. */ | |
502 | exception_print (gdb_stderr, ex); | |
503 | else | |
504 | /* Rethrow, to properly handle error (_("Not confirmed.")). */ | |
505 | throw; | |
506 | } | |
d5551862 | 507 | |
36cf1806 | 508 | quit_force (args ? &exit_code : NULL, from_tty); |
d318976c FN |
509 | } |
510 | ||
d318976c | 511 | static void |
0b39b52e | 512 | pwd_command (const char *args, int from_tty) |
d318976c FN |
513 | { |
514 | if (args) | |
8a3fe4f8 | 515 | error (_("The \"pwd\" command does not take an argument: %s"), args); |
43573013 SDJ |
516 | |
517 | gdb::unique_xmalloc_ptr<char> cwd (getcwd (NULL, 0)); | |
518 | ||
519 | if (cwd == NULL) | |
bf1d7d9c | 520 | error (_("Error finding name of working directory: %s"), |
dda83cd7 | 521 | safe_strerror (errno)); |
d318976c | 522 | |
43573013 | 523 | if (strcmp (cwd.get (), current_directory) != 0) |
6cb06a8c TT |
524 | gdb_printf (_("Working directory %ps\n (canonically %ps).\n"), |
525 | styled_string (file_name_style.style (), | |
526 | current_directory), | |
527 | styled_string (file_name_style.style (), cwd.get ())); | |
d318976c | 528 | else |
6cb06a8c TT |
529 | gdb_printf (_("Working directory %ps.\n"), |
530 | styled_string (file_name_style.style (), | |
531 | current_directory)); | |
d318976c FN |
532 | } |
533 | ||
534 | void | |
5e93d4c6 | 535 | cd_command (const char *dir, int from_tty) |
d318976c FN |
536 | { |
537 | int len; | |
538 | /* Found something other than leading repetitions of "/..". */ | |
539 | int found_real_path; | |
540 | char *p; | |
541 | ||
542 | /* If the new directory is absolute, repeat is a no-op; if relative, | |
543 | repeat might be useful but is more likely to be a mistake. */ | |
544 | dont_repeat (); | |
545 | ||
6eecf35f TT |
546 | gdb::unique_xmalloc_ptr<char> dir_holder |
547 | (tilde_expand (dir != NULL ? dir : "~")); | |
548 | dir = dir_holder.get (); | |
d318976c FN |
549 | |
550 | if (chdir (dir) < 0) | |
551 | perror_with_name (dir); | |
552 | ||
c3690141 | 553 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
d318976c FN |
554 | /* There's too much mess with DOSish names like "d:", "d:.", |
555 | "d:./foo" etc. Instead of having lots of special #ifdef'ed code, | |
556 | simply get the canonicalized name of the current directory. */ | |
43573013 SDJ |
557 | gdb::unique_xmalloc_ptr<char> cwd (getcwd (NULL, 0)); |
558 | dir = cwd.get (); | |
d318976c FN |
559 | #endif |
560 | ||
561 | len = strlen (dir); | |
fe4e3eb8 | 562 | if (IS_DIR_SEPARATOR (dir[len - 1])) |
d318976c FN |
563 | { |
564 | /* Remove the trailing slash unless this is a root directory | |
dda83cd7 | 565 | (including a drive letter on non-Unix systems). */ |
d318976c | 566 | if (!(len == 1) /* "/" */ |
c3690141 | 567 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
fe4e3eb8 | 568 | && !(len == 3 && dir[1] == ':') /* "d:/" */ |
d318976c FN |
569 | #endif |
570 | ) | |
571 | len--; | |
572 | } | |
573 | ||
6eecf35f TT |
574 | dir_holder.reset (savestring (dir, len)); |
575 | if (IS_ABSOLUTE_PATH (dir_holder.get ())) | |
43573013 SDJ |
576 | { |
577 | xfree (current_directory); | |
578 | current_directory = dir_holder.release (); | |
579 | } | |
d318976c FN |
580 | else |
581 | { | |
fe4e3eb8 | 582 | if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1])) |
6eecf35f TT |
583 | current_directory = concat (current_directory, dir_holder.get (), |
584 | (char *) NULL); | |
d318976c | 585 | else |
1754f103 | 586 | current_directory = concat (current_directory, SLASH_STRING, |
6eecf35f | 587 | dir_holder.get (), (char *) NULL); |
d318976c FN |
588 | } |
589 | ||
590 | /* Now simplify any occurrences of `.' and `..' in the pathname. */ | |
591 | ||
592 | found_real_path = 0; | |
593 | for (p = current_directory; *p;) | |
594 | { | |
fe4e3eb8 EZ |
595 | if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' |
596 | && (p[2] == 0 || IS_DIR_SEPARATOR (p[2]))) | |
b2a3b509 | 597 | memmove (p, p + 2, strlen (p + 2) + 1); |
fe4e3eb8 EZ |
598 | else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.' |
599 | && (p[3] == 0 || IS_DIR_SEPARATOR (p[3]))) | |
d318976c FN |
600 | { |
601 | if (found_real_path) | |
602 | { | |
603 | /* Search backwards for the directory just before the "/.." | |
dda83cd7 | 604 | and obliterate it and the "/..". */ |
d318976c | 605 | char *q = p; |
cdb27c12 | 606 | |
fe4e3eb8 | 607 | while (q != current_directory && !IS_DIR_SEPARATOR (q[-1])) |
d318976c FN |
608 | --q; |
609 | ||
610 | if (q == current_directory) | |
611 | /* current_directory is | |
612 | a relative pathname ("can't happen"--leave it alone). */ | |
613 | ++p; | |
614 | else | |
615 | { | |
b2a3b509 | 616 | memmove (q - 1, p + 3, strlen (p + 3) + 1); |
d318976c FN |
617 | p = q - 1; |
618 | } | |
619 | } | |
620 | else | |
ebcd3b23 MS |
621 | /* We are dealing with leading repetitions of "/..", for |
622 | example "/../..", which is the Mach super-root. */ | |
d318976c FN |
623 | p += 3; |
624 | } | |
625 | else | |
626 | { | |
627 | found_real_path = 1; | |
628 | ++p; | |
629 | } | |
630 | } | |
631 | ||
632 | forget_cached_source_info (); | |
633 | ||
634 | if (from_tty) | |
635 | pwd_command ((char *) 0, 1); | |
636 | } | |
637 | \f | |
973817a3 JB |
638 | /* Show the current value of the 'script-extension' option. */ |
639 | ||
640 | static void | |
641 | show_script_ext_mode (struct ui_file *file, int from_tty, | |
642 | struct cmd_list_element *c, const char *value) | |
d318976c | 643 | { |
6cb06a8c TT |
644 | gdb_printf (file, |
645 | _("Script filename extension recognition is \"%s\".\n"), | |
646 | value); | |
973817a3 JB |
647 | } |
648 | ||
3f7b2faa DE |
649 | /* Try to open SCRIPT_FILE. |
650 | If successful, the full path name is stored in *FULL_PATHP, | |
ed166945 TT |
651 | and the stream is returned. |
652 | If not successful, return NULL; errno is set for the last file | |
3f7b2faa DE |
653 | we tried to open. |
654 | ||
655 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
f5b95b50 | 656 | search for it in the source search path. */ |
3f7b2faa | 657 | |
6b09f134 | 658 | std::optional<open_script> |
ed166945 | 659 | find_and_open_script (const char *script_file, int search_path) |
973817a3 | 660 | { |
4b505b12 | 661 | int fd; |
24b9144d | 662 | openp_flags search_flags = OPF_TRY_CWD_FIRST | OPF_RETURN_REALPATH; |
6b09f134 | 663 | std::optional<open_script> opened; |
d318976c | 664 | |
ee0c3293 | 665 | gdb::unique_xmalloc_ptr<char> file (tilde_expand (script_file)); |
d318976c | 666 | |
3f7b2faa DE |
667 | if (search_path) |
668 | search_flags |= OPF_SEARCH_IN_PATH; | |
4b505b12 | 669 | |
3f7b2faa DE |
670 | /* Search for and open 'file' on the search path used for source |
671 | files. Put the full location in *FULL_PATHP. */ | |
e0cc99a6 | 672 | gdb::unique_xmalloc_ptr<char> full_path; |
e0700ba4 | 673 | fd = openp (source_path.c_str (), search_flags, |
e0cc99a6 | 674 | file.get (), O_RDONLY, &full_path); |
4b505b12 AS |
675 | |
676 | if (fd == -1) | |
ee0c3293 | 677 | return opened; |
973817a3 | 678 | |
ed166945 TT |
679 | FILE *result = fdopen (fd, FOPEN_RT); |
680 | if (result == NULL) | |
77a35dd8 JK |
681 | { |
682 | int save_errno = errno; | |
683 | ||
684 | close (fd); | |
77a35dd8 | 685 | errno = save_errno; |
77a35dd8 | 686 | } |
ed166945 TT |
687 | else |
688 | opened.emplace (gdb_file_up (result), std::move (full_path)); | |
77a35dd8 | 689 | |
ed166945 | 690 | return opened; |
973817a3 JB |
691 | } |
692 | ||
1a70ae97 DE |
693 | /* Load script FILE, which has already been opened as STREAM. |
694 | FILE_TO_OPEN is the form of FILE to use if one needs to open the file. | |
695 | This is provided as FILE may have been found via the source search path. | |
696 | An important thing to note here is that FILE may be a symlink to a file | |
697 | with a different or non-existing suffix, and thus one cannot infer the | |
698 | extension language from FILE_TO_OPEN. */ | |
973817a3 | 699 | |
3f7b2faa | 700 | static void |
1a70ae97 DE |
701 | source_script_from_stream (FILE *stream, const char *file, |
702 | const char *file_to_open) | |
3f7b2faa | 703 | { |
6dddc817 | 704 | if (script_ext_mode != script_ext_off) |
973817a3 | 705 | { |
6dddc817 DE |
706 | const struct extension_language_defn *extlang |
707 | = get_ext_lang_of_file (file); | |
708 | ||
709 | if (extlang != NULL) | |
973817a3 | 710 | { |
6dddc817 DE |
711 | if (ext_lang_present_p (extlang)) |
712 | { | |
713 | script_sourcer_func *sourcer | |
714 | = ext_lang_script_sourcer (extlang); | |
715 | ||
716 | gdb_assert (sourcer != NULL); | |
1a70ae97 | 717 | sourcer (extlang, stream, file_to_open); |
6dddc817 DE |
718 | return; |
719 | } | |
720 | else if (script_ext_mode == script_ext_soft) | |
721 | { | |
722 | /* Assume the file is a gdb script. | |
723 | This is handled below. */ | |
724 | } | |
725 | else | |
726 | throw_ext_lang_unsupported (extlang); | |
973817a3 JB |
727 | } |
728 | } | |
6dddc817 DE |
729 | |
730 | script_from_file (stream, file); | |
3f7b2faa | 731 | } |
d318976c | 732 | |
3f7b2faa DE |
733 | /* Worker to perform the "source" command. |
734 | Load script FILE. | |
735 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
736 | search for it in the source search path. */ | |
737 | ||
738 | static void | |
739 | source_script_with_search (const char *file, int from_tty, int search_path) | |
740 | { | |
3f7b2faa DE |
741 | |
742 | if (file == NULL || *file == 0) | |
743 | error (_("source command requires file name of file to source.")); | |
744 | ||
6b09f134 | 745 | std::optional<open_script> opened = find_and_open_script (file, search_path); |
ed166945 | 746 | if (!opened) |
3f7b2faa | 747 | { |
d234ef5c | 748 | /* The script wasn't found, or was otherwise inaccessible. |
dda83cd7 | 749 | If the source command was invoked interactively, throw an |
ebcd3b23 | 750 | error. Otherwise (e.g. if it was invoked by a script), |
7c647d61 | 751 | just emit a warning, rather than cause an error. */ |
3f7b2faa DE |
752 | if (from_tty) |
753 | perror_with_name (file); | |
754 | else | |
7c647d61 JB |
755 | { |
756 | perror_warning_with_name (file); | |
757 | return; | |
758 | } | |
3f7b2faa DE |
759 | } |
760 | ||
d234ef5c DE |
761 | /* The python support reopens the file, so we need to pass full_path here |
762 | in case the file was found on the search path. It's useful to do this | |
763 | anyway so that error messages show the actual file used. But only do | |
764 | this if we (may have) used search_path, as printing the full path in | |
765 | errors for the non-search case can be more noise than signal. */ | |
1845e254 | 766 | const char *file_to_open; |
e0c34637 | 767 | std::string tilde_expanded_file; |
1845e254 AB |
768 | if (search_path) |
769 | file_to_open = opened->full_path.get (); | |
770 | else | |
771 | { | |
e0c34637 SM |
772 | tilde_expanded_file = gdb_tilde_expand (file); |
773 | file_to_open = tilde_expanded_file.c_str (); | |
1845e254 AB |
774 | } |
775 | source_script_from_stream (opened->stream.get (), file, file_to_open); | |
d318976c FN |
776 | } |
777 | ||
3f7b2faa DE |
778 | /* Wrapper around source_script_with_search to export it to main.c |
779 | for use in loading .gdbinit scripts. */ | |
780 | ||
781 | void | |
50dd9793 | 782 | source_script (const char *file, int from_tty) |
3f7b2faa DE |
783 | { |
784 | source_script_with_search (file, from_tty, 0); | |
785 | } | |
786 | ||
16026cd7 | 787 | static void |
dede02ce | 788 | source_command (const char *args, int from_tty) |
16026cd7 | 789 | { |
dede02ce | 790 | const char *file = args; |
3f7b2faa | 791 | int search_path = 0; |
16026cd7 | 792 | |
2ec845e7 | 793 | scoped_restore save_source_verbose = make_scoped_restore (&source_verbose); |
16026cd7 AS |
794 | |
795 | /* -v causes the source command to run in verbose mode. | |
3f7b2faa DE |
796 | -s causes the file to be searched in the source search path, |
797 | even if the file name contains a '/'. | |
16026cd7 AS |
798 | We still have to be able to handle filenames with spaces in a |
799 | backward compatible way, so buildargv is not appropriate. */ | |
800 | ||
801 | if (args) | |
802 | { | |
3f7b2faa | 803 | while (args[0] != '\0') |
16026cd7 | 804 | { |
ebcd3b23 MS |
805 | /* Make sure leading white space does not break the |
806 | comparisons. */ | |
529480d0 | 807 | args = skip_spaces (args); |
3f7b2faa DE |
808 | |
809 | if (args[0] != '-') | |
810 | break; | |
811 | ||
812 | if (args[1] == 'v' && isspace (args[2])) | |
813 | { | |
814 | source_verbose = 1; | |
815 | ||
816 | /* Skip passed -v. */ | |
817 | args = &args[3]; | |
818 | } | |
819 | else if (args[1] == 's' && isspace (args[2])) | |
820 | { | |
821 | search_path = 1; | |
16026cd7 | 822 | |
3f7b2faa DE |
823 | /* Skip passed -s. */ |
824 | args = &args[3]; | |
825 | } | |
826 | else | |
827 | break; | |
16026cd7 | 828 | } |
3f7b2faa | 829 | |
529480d0 | 830 | file = skip_spaces (args); |
16026cd7 AS |
831 | } |
832 | ||
3f7b2faa | 833 | source_script_with_search (file, from_tty, search_path); |
16026cd7 AS |
834 | } |
835 | ||
836 | ||
d318976c | 837 | static void |
0b39b52e | 838 | echo_command (const char *text, int from_tty) |
d318976c | 839 | { |
d7561cbb | 840 | const char *p = text; |
d5b5ac79 | 841 | int c; |
d318976c FN |
842 | |
843 | if (text) | |
844 | while ((c = *p++) != '\0') | |
845 | { | |
846 | if (c == '\\') | |
847 | { | |
848 | /* \ at end of argument is used after spaces | |
849 | so they won't be lost. */ | |
850 | if (*p == 0) | |
851 | return; | |
852 | ||
f870a310 | 853 | c = parse_escape (get_current_arch (), &p); |
d318976c | 854 | if (c >= 0) |
6cb06a8c | 855 | gdb_printf ("%c", c); |
d318976c FN |
856 | } |
857 | else | |
6cb06a8c | 858 | gdb_printf ("%c", c); |
d318976c FN |
859 | } |
860 | ||
3cd52293 | 861 | gdb_stdout->reset_style (); |
ef1dfa36 | 862 | |
d318976c | 863 | /* Force this output to appear now. */ |
d318976c FN |
864 | gdb_flush (gdb_stdout); |
865 | } | |
866 | ||
947d3946 PW |
867 | /* Sets the last launched shell command convenience variables based on |
868 | EXIT_STATUS. */ | |
869 | ||
870 | static void | |
871 | exit_status_set_internal_vars (int exit_status) | |
872 | { | |
873 | struct internalvar *var_code = lookup_internalvar ("_shell_exitcode"); | |
874 | struct internalvar *var_signal = lookup_internalvar ("_shell_exitsignal"); | |
875 | ||
876 | clear_internalvar (var_code); | |
877 | clear_internalvar (var_signal); | |
91265a7d PA |
878 | |
879 | /* Keep the logic here in sync with shell_internal_fn. */ | |
880 | ||
947d3946 PW |
881 | if (WIFEXITED (exit_status)) |
882 | set_internalvar_integer (var_code, WEXITSTATUS (exit_status)); | |
559e7e50 EZ |
883 | #ifdef __MINGW32__ |
884 | else if (WIFSIGNALED (exit_status) && WTERMSIG (exit_status) == -1) | |
885 | { | |
886 | /* The -1 condition can happen on MinGW, if we don't recognize | |
887 | the fatal exception code encoded in the exit status; see | |
888 | gdbsupport/gdb_wait.c. We don't want to lose information in | |
889 | the exit status in that case. Record it as a normal exit | |
890 | with the full exit status, including the higher 0xC0000000 | |
891 | bits. */ | |
892 | set_internalvar_integer (var_code, exit_status); | |
893 | } | |
894 | #endif | |
947d3946 PW |
895 | else if (WIFSIGNALED (exit_status)) |
896 | set_internalvar_integer (var_signal, WTERMSIG (exit_status)); | |
897 | else | |
422186a9 | 898 | warning (_("unexpected shell command exit status %d"), exit_status); |
947d3946 PW |
899 | } |
900 | ||
91265a7d PA |
901 | /* Run ARG under the shell, and return the exit status. If ARG is |
902 | NULL, run an interactive shell. */ | |
903 | ||
904 | static int | |
905 | run_under_shell (const char *arg, int from_tty) | |
d318976c | 906 | { |
9b265ec2 MM |
907 | #if defined(CANT_FORK) || \ |
908 | (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK)) | |
d318976c FN |
909 | /* If ARG is NULL, they want an inferior shell, but `system' just |
910 | reports if the shell is available when passed a NULL arg. */ | |
911 | int rc = system (arg ? arg : ""); | |
912 | ||
913 | if (!arg) | |
914 | arg = "inferior shell"; | |
915 | ||
916 | if (rc == -1) | |
6cb06a8c TT |
917 | gdb_printf (gdb_stderr, "Cannot execute %s: %s\n", arg, |
918 | safe_strerror (errno)); | |
d318976c | 919 | else if (rc) |
6cb06a8c | 920 | gdb_printf (gdb_stderr, "%s exited with status %d\n", arg, rc); |
2584159e | 921 | #ifdef GLOBAL_CURDIR |
ebcd3b23 MS |
922 | /* Make sure to return to the directory GDB thinks it is, in case |
923 | the shell command we just ran changed it. */ | |
d318976c FN |
924 | chdir (current_directory); |
925 | #endif | |
91265a7d | 926 | return rc; |
d318976c | 927 | #else /* Can fork. */ |
5be4dfca | 928 | int status, pid; |
d318976c | 929 | |
325ed089 | 930 | if ((pid = vfork ()) == 0) |
d318976c | 931 | { |
974e6844 | 932 | const char *p, *user_shell = get_shell (); |
30e94205 | 933 | |
614c279d TT |
934 | close_most_fds (); |
935 | ||
ebcd3b23 | 936 | /* Get the name of the shell for arg0. */ |
9f37bbcc | 937 | p = lbasename (user_shell); |
30e94205 | 938 | |
d318976c | 939 | if (!arg) |
36662fde | 940 | execl (user_shell, p, (char *) 0); |
d318976c | 941 | else |
36662fde | 942 | execl (user_shell, p, "-c", arg, (char *) 0); |
d318976c | 943 | |
6cb06a8c TT |
944 | gdb_printf (gdb_stderr, "Cannot execute %s: %s\n", user_shell, |
945 | safe_strerror (errno)); | |
d318976c FN |
946 | _exit (0177); |
947 | } | |
948 | ||
949 | if (pid != -1) | |
5be4dfca | 950 | waitpid (pid, &status, 0); |
d318976c | 951 | else |
8a3fe4f8 | 952 | error (_("Fork failed")); |
91265a7d | 953 | return status; |
d318976c FN |
954 | #endif /* Can fork. */ |
955 | } | |
956 | ||
91265a7d PA |
957 | /* Escape out to the shell to run ARG. If ARG is NULL, launch and |
958 | interactive shell. Sets $_shell_exitcode and $_shell_exitsignal | |
959 | convenience variables based on the exits status. */ | |
960 | ||
961 | static void | |
962 | shell_escape (const char *arg, int from_tty) | |
963 | { | |
964 | int status = run_under_shell (arg, from_tty); | |
965 | exit_status_set_internal_vars (status); | |
966 | } | |
967 | ||
be47f9e8 PA |
968 | /* Implementation of the "shell" command. */ |
969 | ||
970 | static void | |
0b39b52e | 971 | shell_command (const char *arg, int from_tty) |
be47f9e8 PA |
972 | { |
973 | shell_escape (arg, from_tty); | |
974 | } | |
975 | ||
0378c332 | 976 | static void |
0b39b52e | 977 | edit_command (const char *arg, int from_tty) |
0378c332 | 978 | { |
0378c332 FN |
979 | struct symtab_and_line sal; |
980 | struct symbol *sym; | |
a121b7c1 | 981 | const char *editor; |
0b0865da | 982 | const char *fn; |
0378c332 | 983 | |
d5529a84 | 984 | /* Pull in the current default source line if necessary. */ |
0378c332 | 985 | if (arg == 0) |
53cb0458 FN |
986 | { |
987 | set_default_source_symtab_and_line (); | |
988 | sal = get_current_source_symtab_and_line (); | |
989 | } | |
0378c332 | 990 | |
ebcd3b23 | 991 | /* Bare "edit" edits file with present line. */ |
0378c332 FN |
992 | |
993 | if (arg == 0) | |
994 | { | |
995 | if (sal.symtab == 0) | |
8a3fe4f8 | 996 | error (_("No default source file yet.")); |
0378c332 FN |
997 | sal.line += get_lines_to_list () / 2; |
998 | } | |
999 | else | |
1000 | { | |
f2fc3015 | 1001 | const char *arg1; |
0378c332 | 1002 | |
f00aae0f | 1003 | /* Now should only be one argument -- decode it in SAL. */ |
0378c332 | 1004 | arg1 = arg; |
264f9890 PA |
1005 | location_spec_up locspec = string_to_location_spec (&arg1, |
1006 | current_language); | |
82d0a72c AB |
1007 | |
1008 | if (*arg1) | |
1009 | error (_("Junk at end of line specification.")); | |
1010 | ||
264f9890 | 1011 | std::vector<symtab_and_line> sals = decode_line_1 (locspec.get (), |
6c5b2ebe PA |
1012 | DECODE_LINE_LIST_MODE, |
1013 | NULL, NULL, 0); | |
0378c332 | 1014 | |
6c5b2ebe PA |
1015 | filter_sals (sals); |
1016 | if (sals.empty ()) | |
d5529a84 TT |
1017 | { |
1018 | /* C++ */ | |
1019 | return; | |
1020 | } | |
6c5b2ebe | 1021 | if (sals.size () > 1) |
d5529a84 | 1022 | { |
6c5b2ebe | 1023 | ambiguous_line_spec (sals, |
e439fa14 | 1024 | _("Specified line is ambiguous:\n")); |
d5529a84 TT |
1025 | return; |
1026 | } | |
0378c332 | 1027 | |
6c5b2ebe | 1028 | sal = sals[0]; |
0378c332 | 1029 | |
ebcd3b23 | 1030 | /* If line was specified by address, first print exactly which |
dda83cd7 SM |
1031 | line, and which file. In this case, sal.symtab == 0 means |
1032 | address is outside of all known source files, not that user | |
1033 | failed to give a filename. */ | |
0378c332 | 1034 | if (*arg == '*') |
dda83cd7 | 1035 | { |
5af949e3 | 1036 | struct gdbarch *gdbarch; |
cdb27c12 | 1037 | |
dda83cd7 | 1038 | if (sal.symtab == 0) |
8a3fe4f8 | 1039 | error (_("No source file for address %s."), |
2b69941d | 1040 | paddress (get_current_arch (), sal.pc)); |
5af949e3 | 1041 | |
3c86fae3 | 1042 | gdbarch = sal.symtab->compunit ()->objfile ()->arch (); |
dda83cd7 SM |
1043 | sym = find_pc_function (sal.pc); |
1044 | if (sym) | |
6cb06a8c TT |
1045 | gdb_printf ("%s is in %s (%s:%d).\n", |
1046 | paddress (gdbarch, sal.pc), | |
1047 | sym->print_name (), | |
1048 | symtab_to_filename_for_display (sal.symtab), | |
1049 | sal.line); | |
dda83cd7 | 1050 | else |
6cb06a8c TT |
1051 | gdb_printf ("%s is at %s:%d.\n", |
1052 | paddress (gdbarch, sal.pc), | |
1053 | symtab_to_filename_for_display (sal.symtab), | |
1054 | sal.line); | |
dda83cd7 | 1055 | } |
0378c332 | 1056 | |
ebcd3b23 | 1057 | /* If what was given does not imply a symtab, it must be an |
dda83cd7 | 1058 | undebuggable symbol which means no source code. */ |
0378c332 FN |
1059 | |
1060 | if (sal.symtab == 0) | |
dda83cd7 | 1061 | error (_("No line number known for %s."), arg); |
0378c332 FN |
1062 | } |
1063 | ||
081bca4d TT |
1064 | if ((editor = getenv ("EDITOR")) == NULL) |
1065 | editor = "/bin/ex"; | |
a955ca71 | 1066 | |
f35a17b5 | 1067 | fn = symtab_to_fullname (sal.symtab); |
0378c332 | 1068 | |
a955ca71 EZ |
1069 | /* Quote the file name, in case it has whitespace or other special |
1070 | characters. */ | |
8579fd13 AB |
1071 | gdb::unique_xmalloc_ptr<char> p |
1072 | = xstrprintf ("%s +%d \"%s\"", editor, sal.line, fn); | |
1073 | shell_escape (p.get (), from_tty); | |
0378c332 FN |
1074 | } |
1075 | ||
5f4ba3e7 PA |
1076 | /* The options for the "pipe" command. */ |
1077 | ||
1078 | struct pipe_cmd_opts | |
1079 | { | |
1080 | /* For "-d". */ | |
e0700ba4 | 1081 | std::string delimiter; |
5f4ba3e7 PA |
1082 | }; |
1083 | ||
1084 | static const gdb::option::option_def pipe_cmd_option_defs[] = { | |
1085 | ||
1086 | gdb::option::string_option_def<pipe_cmd_opts> { | |
1087 | "d", | |
1088 | [] (pipe_cmd_opts *opts) { return &opts->delimiter; }, | |
1089 | nullptr, | |
1090 | N_("Indicates to use the specified delimiter string to separate\n\ | |
1091 | COMMAND from SHELL_COMMAND, in alternative to |. This is useful in\n\ | |
1092 | case COMMAND contains a | character."), | |
1093 | }, | |
1094 | ||
1095 | }; | |
1096 | ||
1097 | /* Create an option_def_group for the "pipe" command's options, with | |
1098 | OPTS as context. */ | |
1099 | ||
1100 | static inline gdb::option::option_def_group | |
1101 | make_pipe_cmd_options_def_group (pipe_cmd_opts *opts) | |
1102 | { | |
1103 | return {{pipe_cmd_option_defs}, opts}; | |
1104 | } | |
1105 | ||
947d3946 PW |
1106 | /* Implementation of the "pipe" command. */ |
1107 | ||
1108 | static void | |
1109 | pipe_command (const char *arg, int from_tty) | |
1110 | { | |
5f4ba3e7 | 1111 | pipe_cmd_opts opts; |
947d3946 | 1112 | |
5f4ba3e7 PA |
1113 | auto grp = make_pipe_cmd_options_def_group (&opts); |
1114 | gdb::option::process_options | |
1115 | (&arg, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_OPERAND, grp); | |
1116 | ||
1117 | const char *delim = "|"; | |
e0700ba4 SM |
1118 | if (!opts.delimiter.empty ()) |
1119 | delim = opts.delimiter.c_str (); | |
947d3946 PW |
1120 | |
1121 | const char *command = arg; | |
1122 | if (command == nullptr) | |
1123 | error (_("Missing COMMAND")); | |
1124 | ||
5f4ba3e7 | 1125 | arg = strstr (arg, delim); |
947d3946 PW |
1126 | |
1127 | if (arg == nullptr) | |
1128 | error (_("Missing delimiter before SHELL_COMMAND")); | |
1129 | ||
1130 | std::string gdb_cmd (command, arg - command); | |
1131 | ||
5f4ba3e7 | 1132 | arg += strlen (delim); /* Skip the delimiter. */ |
947d3946 PW |
1133 | |
1134 | if (gdb_cmd.empty ()) | |
fdbc9870 | 1135 | gdb_cmd = repeat_previous (); |
947d3946 PW |
1136 | |
1137 | const char *shell_command = skip_spaces (arg); | |
1138 | if (*shell_command == '\0') | |
1139 | error (_("Missing SHELL_COMMAND")); | |
1140 | ||
1141 | FILE *to_shell_command = popen (shell_command, "w"); | |
1142 | ||
1143 | if (to_shell_command == nullptr) | |
1144 | error (_("Error launching \"%s\""), shell_command); | |
1145 | ||
1146 | try | |
1147 | { | |
1148 | stdio_file pipe_file (to_shell_command); | |
1149 | ||
1150 | execute_command_to_ui_file (&pipe_file, gdb_cmd.c_str (), from_tty); | |
1151 | } | |
1152 | catch (...) | |
1153 | { | |
1154 | pclose (to_shell_command); | |
1155 | throw; | |
1156 | } | |
1157 | ||
1158 | int exit_status = pclose (to_shell_command); | |
1159 | ||
1160 | if (exit_status < 0) | |
1161 | error (_("shell command \"%s\" failed: %s"), shell_command, | |
dda83cd7 | 1162 | safe_strerror (errno)); |
947d3946 PW |
1163 | exit_status_set_internal_vars (exit_status); |
1164 | } | |
1165 | ||
5f4ba3e7 PA |
1166 | /* Completer for the pipe command. */ |
1167 | ||
1168 | static void | |
1169 | pipe_command_completer (struct cmd_list_element *ignore, | |
1170 | completion_tracker &tracker, | |
1171 | const char *text, const char *word_ignored) | |
1172 | { | |
1173 | pipe_cmd_opts opts; | |
1174 | ||
1175 | const char *org_text = text; | |
1176 | auto grp = make_pipe_cmd_options_def_group (&opts); | |
1177 | if (gdb::option::complete_options | |
1178 | (tracker, &text, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_OPERAND, grp)) | |
1179 | return; | |
1180 | ||
1181 | const char *delimiter = "|"; | |
e0700ba4 SM |
1182 | if (!opts.delimiter.empty ()) |
1183 | delimiter = opts.delimiter.c_str (); | |
5f4ba3e7 PA |
1184 | |
1185 | /* Check if we're past option values already. */ | |
1186 | if (text > org_text && !isspace (text[-1])) | |
1187 | return; | |
1188 | ||
1189 | const char *delim = strstr (text, delimiter); | |
1190 | ||
1191 | /* If we're still not past the delimiter, complete the gdb | |
1192 | command. */ | |
1193 | if (delim == nullptr || delim == text) | |
1194 | { | |
1195 | complete_nested_command_line (tracker, text); | |
1196 | return; | |
1197 | } | |
1198 | ||
1199 | /* We're past the delimiter. What follows is a shell command, which | |
1200 | we don't know how to complete. */ | |
1201 | } | |
1202 | ||
0f819434 BL |
1203 | /* Helper for the list_command function. Prints the lines around (and |
1204 | including) line stored in CURSAL. ARG contains the arguments used in | |
1205 | the command invocation, and is used to determine a special case when | |
1206 | printing backwards. */ | |
1207 | static void | |
1208 | list_around_line (const char *arg, symtab_and_line cursal) | |
1209 | { | |
1210 | int first; | |
1211 | ||
1212 | first = std::max (cursal.line - get_lines_to_list () / 2, 1); | |
1213 | ||
1214 | /* A small special case --- if listing backwards, and we | |
1215 | should list only one line, list the preceding line, | |
1216 | instead of the exact line we've just shown after e.g., | |
1217 | stopping for a breakpoint. */ | |
1218 | if (arg != NULL && arg[0] == '-' | |
1219 | && get_lines_to_list () == 1 && first > 1) | |
1220 | first -= 1; | |
1221 | ||
1222 | print_source_lines (cursal.symtab, source_lines_range (first), 0); | |
1223 | } | |
1224 | ||
0378c332 | 1225 | static void |
0b39b52e | 1226 | list_command (const char *arg, int from_tty) |
0378c332 | 1227 | { |
0378c332 | 1228 | struct symbol *sym; |
f2fc3015 | 1229 | const char *arg1; |
0378c332 FN |
1230 | int no_end = 1; |
1231 | int dummy_end = 0; | |
1232 | int dummy_beg = 0; | |
1233 | int linenum_beg = 0; | |
0b39b52e | 1234 | const char *p; |
0378c332 | 1235 | |
ebcd3b23 | 1236 | /* Pull in the current default source line if necessary. */ |
3e3a1874 | 1237 | if (arg == NULL || ((arg[0] == '+' || arg[0] == '-' || arg[0] == '.') && arg[1] == '\0')) |
53cb0458 FN |
1238 | { |
1239 | set_default_source_symtab_and_line (); | |
51abb421 | 1240 | symtab_and_line cursal = get_current_source_symtab_and_line (); |
5166082f PA |
1241 | |
1242 | /* If this is the first "list" since we've set the current | |
1243 | source line, center the listing around that line. */ | |
3e3a1874 | 1244 | if (get_first_line_listed () == 0 && (arg == nullptr || arg[0] != '.')) |
5166082f | 1245 | { |
0f819434 | 1246 | list_around_line (arg, cursal); |
5166082f | 1247 | } |
0378c332 | 1248 | |
f52625f1 BL |
1249 | /* "l" and "l +" lists the next few lines, unless we're listing past |
1250 | the end of the file. */ | |
1251 | else if (arg == nullptr || arg[0] == '+') | |
1252 | { | |
1253 | if (last_symtab_line (cursal.symtab) >= cursal.line) | |
1254 | print_source_lines (cursal.symtab, | |
1255 | source_lines_range (cursal.line), 0); | |
1256 | else | |
1257 | { | |
1258 | error (_("End of the file was already reached, use \"list .\" to" | |
1259 | " list the current location again")); | |
1260 | } | |
1261 | } | |
0378c332 | 1262 | |
1a48ce76 AB |
1263 | /* "l -" lists previous ten lines, the ones before the ten just |
1264 | listed. */ | |
a0def019 | 1265 | else if (arg[0] == '-') |
3b2464a8 AB |
1266 | { |
1267 | if (get_first_line_listed () == 1) | |
1268 | error (_("Already at the start of %s."), | |
1269 | symtab_to_filename_for_display (cursal.symtab)); | |
0e2a2133 AB |
1270 | source_lines_range range (get_first_line_listed (), |
1271 | source_lines_range::BACKWARD); | |
1272 | print_source_lines (cursal.symtab, range, 0); | |
3b2464a8 | 1273 | } |
0378c332 | 1274 | |
12f567bc | 1275 | /* "list ." lists the default location again. */ |
3e3a1874 BL |
1276 | else if (arg[0] == '.') |
1277 | { | |
12f567bc | 1278 | if (target_has_stack ()) |
3e3a1874 BL |
1279 | { |
1280 | /* Find the current line by getting the PC of the currently | |
1281 | selected frame, and finding the line associated to it. */ | |
1282 | frame_info_ptr frame = get_selected_frame (nullptr); | |
1283 | CORE_ADDR curr_pc = get_frame_pc (frame); | |
1284 | cursal = find_pc_line (curr_pc, 0); | |
1285 | } | |
12f567bc | 1286 | else |
3e3a1874 | 1287 | { |
12f567bc GL |
1288 | /* The inferior is not running, so reset the current source |
1289 | location to the default (usually the main function). */ | |
3e3a1874 BL |
1290 | clear_current_source_symtab_and_line (); |
1291 | set_default_source_symtab_and_line (); | |
1292 | cursal = get_current_source_symtab_and_line (); | |
1293 | } | |
1294 | list_around_line (arg, cursal); | |
12f567bc | 1295 | /* Set the repeat args so just pressing "enter" after using "list ." |
3e3a1874 | 1296 | will print the following lines instead of the same lines again. */ |
12f567bc GL |
1297 | if (from_tty) |
1298 | set_repeat_arguments (""); | |
3e3a1874 BL |
1299 | } |
1300 | ||
0378c332 FN |
1301 | return; |
1302 | } | |
1303 | ||
1304 | /* Now if there is only one argument, decode it in SAL | |
1305 | and set NO_END. | |
1306 | If there are two arguments, decode them in SAL and SAL_END | |
1307 | and clear NO_END; however, if one of the arguments is blank, | |
1308 | set DUMMY_BEG or DUMMY_END to record that fact. */ | |
1309 | ||
1310 | if (!have_full_symbols () && !have_partial_symbols ()) | |
8a3fe4f8 | 1311 | error (_("No symbol table is loaded. Use the \"file\" command.")); |
0378c332 | 1312 | |
6c5b2ebe | 1313 | std::vector<symtab_and_line> sals; |
51abb421 | 1314 | symtab_and_line sal, sal_end; |
6c5b2ebe | 1315 | |
0378c332 FN |
1316 | arg1 = arg; |
1317 | if (*arg1 == ',') | |
1318 | dummy_beg = 1; | |
1319 | else | |
1320 | { | |
264f9890 PA |
1321 | location_spec_up locspec |
1322 | = string_to_location_spec (&arg1, current_language); | |
1323 | ||
1324 | /* We know that the ARG string is not empty, yet the attempt to | |
1325 | parse a location spec from the string consumed no characters. | |
1326 | This most likely means that the first thing in ARG looks like | |
1327 | a location spec condition, and so the string_to_location_spec | |
1328 | call stopped parsing. */ | |
3c5fcec6 AB |
1329 | if (arg1 == arg) |
1330 | error (_("Junk at end of line specification.")); | |
1331 | ||
264f9890 | 1332 | sals = decode_line_1 (locspec.get (), DECODE_LINE_LIST_MODE, |
ffc2605c | 1333 | NULL, NULL, 0); |
6c5b2ebe PA |
1334 | filter_sals (sals); |
1335 | if (sals.empty ()) | |
f00aae0f KS |
1336 | { |
1337 | /* C++ */ | |
f00aae0f KS |
1338 | return; |
1339 | } | |
0378c332 | 1340 | |
6c5b2ebe | 1341 | sal = sals[0]; |
0378c332 FN |
1342 | } |
1343 | ||
1344 | /* Record whether the BEG arg is all digits. */ | |
1345 | ||
1346 | for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++); | |
1347 | linenum_beg = (p == arg1); | |
1348 | ||
e439fa14 PA |
1349 | /* Save the range of the first argument, in case we need to let the |
1350 | user know it was ambiguous. */ | |
1351 | const char *beg = arg; | |
1352 | size_t beg_len = arg1 - beg; | |
1353 | ||
0378c332 FN |
1354 | while (*arg1 == ' ' || *arg1 == '\t') |
1355 | arg1++; | |
1356 | if (*arg1 == ',') | |
1357 | { | |
1358 | no_end = 0; | |
6c5b2ebe | 1359 | if (sals.size () > 1) |
0d999a6e | 1360 | { |
6c5b2ebe | 1361 | ambiguous_line_spec (sals, |
e439fa14 PA |
1362 | _("Specified first line '%.*s' is ambiguous:\n"), |
1363 | (int) beg_len, beg); | |
0d999a6e ZZ |
1364 | return; |
1365 | } | |
0378c332 FN |
1366 | arg1++; |
1367 | while (*arg1 == ' ' || *arg1 == '\t') | |
1368 | arg1++; | |
1369 | if (*arg1 == 0) | |
1370 | dummy_end = 1; | |
1371 | else | |
1372 | { | |
e439fa14 PA |
1373 | /* Save the last argument, in case we need to let the user |
1374 | know it was ambiguous. */ | |
1375 | const char *end_arg = arg1; | |
1376 | ||
264f9890 PA |
1377 | location_spec_up locspec |
1378 | = string_to_location_spec (&arg1, current_language); | |
f00aae0f | 1379 | |
3c5fcec6 AB |
1380 | if (*arg1) |
1381 | error (_("Junk at end of line specification.")); | |
1382 | ||
6c5b2ebe PA |
1383 | std::vector<symtab_and_line> sals_end |
1384 | = (dummy_beg | |
264f9890 | 1385 | ? decode_line_1 (locspec.get (), DECODE_LINE_LIST_MODE, |
6c5b2ebe | 1386 | NULL, NULL, 0) |
264f9890 | 1387 | : decode_line_1 (locspec.get (), DECODE_LINE_LIST_MODE, |
6c5b2ebe PA |
1388 | NULL, sal.symtab, sal.line)); |
1389 | ||
1390 | filter_sals (sals_end); | |
1391 | if (sals_end.empty ()) | |
1392 | return; | |
1393 | if (sals_end.size () > 1) | |
0d999a6e | 1394 | { |
6c5b2ebe | 1395 | ambiguous_line_spec (sals_end, |
e439fa14 PA |
1396 | _("Specified last line '%s' is ambiguous:\n"), |
1397 | end_arg); | |
0378c332 FN |
1398 | return; |
1399 | } | |
6c5b2ebe | 1400 | sal_end = sals_end[0]; |
0378c332 FN |
1401 | } |
1402 | } | |
1403 | ||
1404 | if (*arg1) | |
8a3fe4f8 | 1405 | error (_("Junk at end of line specification.")); |
0378c332 FN |
1406 | |
1407 | if (!no_end && !dummy_beg && !dummy_end | |
1408 | && sal.symtab != sal_end.symtab) | |
e439fa14 | 1409 | error (_("Specified first and last lines are in different files.")); |
0378c332 | 1410 | if (dummy_beg && dummy_end) |
8a3fe4f8 | 1411 | error (_("Two empty args do not say what lines to list.")); |
0378c332 | 1412 | |
ebcd3b23 | 1413 | /* If line was specified by address, |
0378c332 | 1414 | first print exactly which line, and which file. |
ebcd3b23 MS |
1415 | |
1416 | In this case, sal.symtab == 0 means address is outside of all | |
1417 | known source files, not that user failed to give a filename. */ | |
0378c332 FN |
1418 | if (*arg == '*') |
1419 | { | |
5af949e3 | 1420 | struct gdbarch *gdbarch; |
cdb27c12 | 1421 | |
0378c332 | 1422 | if (sal.symtab == 0) |
8a3fe4f8 | 1423 | error (_("No source file for address %s."), |
2b69941d | 1424 | paddress (get_current_arch (), sal.pc)); |
5af949e3 | 1425 | |
3c86fae3 | 1426 | gdbarch = sal.symtab->compunit ()->objfile ()->arch (); |
0378c332 FN |
1427 | sym = find_pc_function (sal.pc); |
1428 | if (sym) | |
6cb06a8c TT |
1429 | gdb_printf ("%s is in %s (%s:%d).\n", |
1430 | paddress (gdbarch, sal.pc), | |
1431 | sym->print_name (), | |
1432 | symtab_to_filename_for_display (sal.symtab), sal.line); | |
0378c332 | 1433 | else |
6cb06a8c TT |
1434 | gdb_printf ("%s is at %s:%d.\n", |
1435 | paddress (gdbarch, sal.pc), | |
1436 | symtab_to_filename_for_display (sal.symtab), sal.line); | |
0378c332 FN |
1437 | } |
1438 | ||
ebcd3b23 MS |
1439 | /* If line was not specified by just a line number, and it does not |
1440 | imply a symtab, it must be an undebuggable symbol which means no | |
1441 | source code. */ | |
0378c332 FN |
1442 | |
1443 | if (!linenum_beg && sal.symtab == 0) | |
8a3fe4f8 | 1444 | error (_("No line number known for %s."), arg); |
0378c332 FN |
1445 | |
1446 | /* If this command is repeated with RET, | |
1447 | turn it into the no-arg variant. */ | |
1448 | ||
1449 | if (from_tty) | |
85c4be7c | 1450 | set_repeat_arguments (""); |
0378c332 FN |
1451 | |
1452 | if (dummy_beg && sal_end.symtab == 0) | |
8a3fe4f8 | 1453 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 | 1454 | if (dummy_beg) |
0e2a2133 AB |
1455 | { |
1456 | source_lines_range range (sal_end.line + 1, | |
1457 | source_lines_range::BACKWARD); | |
1458 | print_source_lines (sal_end.symtab, range, 0); | |
1459 | } | |
0378c332 | 1460 | else if (sal.symtab == 0) |
8a3fe4f8 | 1461 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
1462 | else if (no_end) |
1463 | { | |
6c5b2ebe | 1464 | for (int i = 0; i < sals.size (); i++) |
0d999a6e | 1465 | { |
6c5b2ebe | 1466 | sal = sals[i]; |
0d999a6e ZZ |
1467 | int first_line = sal.line - get_lines_to_list () / 2; |
1468 | if (first_line < 1) | |
1469 | first_line = 1; | |
6c5b2ebe | 1470 | if (sals.size () > 1) |
06871ae8 | 1471 | print_sal_location (sal); |
0e2a2133 | 1472 | print_source_lines (sal.symtab, source_lines_range (first_line), 0); |
0d999a6e | 1473 | } |
0378c332 | 1474 | } |
0e2a2133 AB |
1475 | else if (dummy_end) |
1476 | print_source_lines (sal.symtab, source_lines_range (sal.line), 0); | |
0378c332 | 1477 | else |
0e2a2133 AB |
1478 | print_source_lines (sal.symtab, |
1479 | source_lines_range (sal.line, (sal_end.line + 1)), | |
0378c332 FN |
1480 | 0); |
1481 | } | |
1482 | ||
d14508fe DE |
1483 | /* Subroutine of disassemble_command to simplify it. |
1484 | Perform the disassembly. | |
1485 | NAME is the name of the function if known, or NULL. | |
1486 | [LOW,HIGH) are the range of addresses to disassemble. | |
e9480230 KB |
1487 | BLOCK is the block to disassemble; it needs to be provided |
1488 | when non-contiguous blocks are disassembled; otherwise | |
1489 | it can be NULL. | |
d14508fe DE |
1490 | MIXED is non-zero to print source with the assembler. */ |
1491 | ||
1492 | static void | |
13274fc3 | 1493 | print_disassembly (struct gdbarch *gdbarch, const char *name, |
9a24775b | 1494 | CORE_ADDR low, CORE_ADDR high, |
e9480230 | 1495 | const struct block *block, |
9a24775b | 1496 | gdb_disassembly_flags flags) |
d14508fe DE |
1497 | { |
1498 | #if defined(TUI) | |
f9ba974d TT |
1499 | if (tui_is_window_visible (DISASSEM_WIN)) |
1500 | tui_show_assembly (gdbarch, low); | |
1501 | else | |
d14508fe DE |
1502 | #endif |
1503 | { | |
6cb06a8c | 1504 | gdb_printf (_("Dump of assembler code ")); |
d14508fe | 1505 | if (name != NULL) |
6cb06a8c TT |
1506 | gdb_printf (_("for function %ps:\n"), |
1507 | styled_string (function_name_style.style (), name)); | |
086d03c9 | 1508 | if (block == nullptr || block->is_contiguous ()) |
dda83cd7 | 1509 | { |
e9480230 | 1510 | if (name == NULL) |
6cb06a8c TT |
1511 | gdb_printf (_("from %ps to %ps:\n"), |
1512 | styled_string (address_style.style (), | |
1513 | paddress (gdbarch, low)), | |
1514 | styled_string (address_style.style (), | |
1515 | paddress (gdbarch, high))); | |
d14508fe | 1516 | |
e9480230 KB |
1517 | /* Dump the specified range. */ |
1518 | gdb_disassembly (gdbarch, current_uiout, flags, -1, low, high); | |
1519 | } | |
1520 | else | |
dda83cd7 | 1521 | { |
f73b4922 | 1522 | for (const blockrange &range : block->ranges ()) |
e9480230 | 1523 | { |
f73b4922 SM |
1524 | CORE_ADDR range_low = range.start (); |
1525 | CORE_ADDR range_high = range.end (); | |
1526 | ||
6cb06a8c TT |
1527 | gdb_printf (_("Address range %ps to %ps:\n"), |
1528 | styled_string (address_style.style (), | |
1529 | paddress (gdbarch, range_low)), | |
1530 | styled_string (address_style.style (), | |
1531 | paddress (gdbarch, range_high))); | |
b926417a TT |
1532 | gdb_disassembly (gdbarch, current_uiout, flags, -1, |
1533 | range_low, range_high); | |
e9480230 KB |
1534 | } |
1535 | } | |
6cb06a8c | 1536 | gdb_printf (_("End of assembler dump.\n")); |
d14508fe | 1537 | } |
d14508fe DE |
1538 | } |
1539 | ||
1540 | /* Subroutine of disassemble_command to simplify it. | |
9c419145 | 1541 | Print a disassembly of the current function according to FLAGS. */ |
d14508fe DE |
1542 | |
1543 | static void | |
9a24775b | 1544 | disassemble_current_function (gdb_disassembly_flags flags) |
d14508fe | 1545 | { |
bd2b40ac | 1546 | frame_info_ptr frame; |
13274fc3 | 1547 | struct gdbarch *gdbarch; |
d14508fe | 1548 | CORE_ADDR low, high, pc; |
2c02bd72 | 1549 | const char *name; |
e9480230 | 1550 | const struct block *block; |
d14508fe | 1551 | |
13274fc3 UW |
1552 | frame = get_selected_frame (_("No frame selected.")); |
1553 | gdbarch = get_frame_arch (frame); | |
9bf4bce9 | 1554 | pc = get_frame_address_in_block (frame); |
e9480230 | 1555 | if (find_pc_partial_function (pc, &name, &low, &high, &block) == 0) |
d14508fe DE |
1556 | error (_("No function contains program counter for selected frame.")); |
1557 | #if defined(TUI) | |
1558 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously | |
1559 | `tui_version'. */ | |
1560 | if (tui_active) | |
1561 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1562 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
d14508fe | 1563 | #endif |
13274fc3 | 1564 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
d14508fe | 1565 | |
e9480230 | 1566 | print_disassembly (gdbarch, name, low, high, block, flags); |
d14508fe DE |
1567 | } |
1568 | ||
1569 | /* Dump a specified section of assembly code. | |
1570 | ||
1571 | Usage: | |
6ff0ba5f | 1572 | disassemble [/mrs] |
d14508fe | 1573 | - dump the assembly code for the function of the current pc |
6ff0ba5f | 1574 | disassemble [/mrs] addr |
d14508fe | 1575 | - dump the assembly code for the function at ADDR |
6ff0ba5f DE |
1576 | disassemble [/mrs] low,high |
1577 | disassemble [/mrs] low,+length | |
53a71c06 | 1578 | - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length) |
d14508fe | 1579 | |
6ff0ba5f DE |
1580 | A /m modifier will include source code with the assembly in a |
1581 | "source centric" view. This view lists only the file of the first insn, | |
1582 | even if other source files are involved (e.g., inlined functions), and | |
1583 | the output is in source order, even with optimized code. This view is | |
1584 | considered deprecated as it hasn't been useful in practice. | |
1585 | ||
1586 | A /r modifier will include raw instructions in hex with the assembly. | |
1587 | ||
d4ce49b7 AB |
1588 | A /b modifier is similar to /r except the instruction bytes are printed |
1589 | as separate bytes with no grouping, or endian switching. | |
1590 | ||
6ff0ba5f DE |
1591 | A /s modifier will include source code with the assembly, like /m, with |
1592 | two important differences: | |
1593 | 1) The output is still in pc address order. | |
1594 | 2) File names and contents for all relevant source files are displayed. */ | |
83c31e7d | 1595 | |
83c31e7d | 1596 | static void |
0b39b52e | 1597 | disassemble_command (const char *arg, int from_tty) |
83c31e7d | 1598 | { |
13274fc3 | 1599 | struct gdbarch *gdbarch = get_current_arch (); |
83c31e7d | 1600 | CORE_ADDR low, high; |
f75a0693 | 1601 | const general_symbol_info *symbol = nullptr; |
2c02bd72 | 1602 | const char *name; |
d36fc00b | 1603 | CORE_ADDR pc; |
9a24775b | 1604 | gdb_disassembly_flags flags; |
bbc13ae3 | 1605 | const char *p; |
e9480230 | 1606 | const struct block *block = nullptr; |
83c31e7d | 1607 | |
bbc13ae3 | 1608 | p = arg; |
83c31e7d | 1609 | name = NULL; |
e6158f16 | 1610 | flags = 0; |
d14508fe | 1611 | |
bbc13ae3 | 1612 | if (p && *p == '/') |
83c31e7d | 1613 | { |
bbc13ae3 | 1614 | ++p; |
d14508fe | 1615 | |
bbc13ae3 | 1616 | if (*p == '\0') |
d14508fe DE |
1617 | error (_("Missing modifier.")); |
1618 | ||
bbc13ae3 | 1619 | while (*p && ! isspace (*p)) |
d14508fe | 1620 | { |
bbc13ae3 | 1621 | switch (*p++) |
d14508fe DE |
1622 | { |
1623 | case 'm': | |
6ff0ba5f | 1624 | flags |= DISASSEMBLY_SOURCE_DEPRECATED; |
e6158f16 HZ |
1625 | break; |
1626 | case 'r': | |
1627 | flags |= DISASSEMBLY_RAW_INSN; | |
d14508fe | 1628 | break; |
d4ce49b7 AB |
1629 | case 'b': |
1630 | flags |= DISASSEMBLY_RAW_BYTES; | |
1631 | break; | |
6ff0ba5f DE |
1632 | case 's': |
1633 | flags |= DISASSEMBLY_SOURCE; | |
1634 | break; | |
d14508fe DE |
1635 | default: |
1636 | error (_("Invalid disassembly modifier.")); | |
1637 | } | |
1638 | } | |
1639 | ||
f1735a53 | 1640 | p = skip_spaces (p); |
d14508fe DE |
1641 | } |
1642 | ||
6ff0ba5f DE |
1643 | if ((flags & (DISASSEMBLY_SOURCE_DEPRECATED | DISASSEMBLY_SOURCE)) |
1644 | == (DISASSEMBLY_SOURCE_DEPRECATED | DISASSEMBLY_SOURCE)) | |
1645 | error (_("Cannot specify both /m and /s.")); | |
1646 | ||
f3a8a979 AB |
1647 | if ((flags & (DISASSEMBLY_RAW_INSN | DISASSEMBLY_RAW_BYTES)) |
1648 | == (DISASSEMBLY_RAW_INSN | DISASSEMBLY_RAW_BYTES)) | |
1649 | error (_("Cannot specify both /r and /b.")); | |
1650 | ||
bbc13ae3 | 1651 | if (! p || ! *p) |
d14508fe | 1652 | { |
9c419145 | 1653 | flags |= DISASSEMBLY_OMIT_FNAME; |
e6158f16 | 1654 | disassemble_current_function (flags); |
d14508fe | 1655 | return; |
83c31e7d | 1656 | } |
d14508fe | 1657 | |
bbc13ae3 KS |
1658 | pc = value_as_address (parse_to_comma_and_eval (&p)); |
1659 | if (p[0] == ',') | |
1660 | ++p; | |
1661 | if (p[0] == '\0') | |
83c31e7d FN |
1662 | { |
1663 | /* One argument. */ | |
f75a0693 | 1664 | if (!find_pc_partial_function_sym (pc, &symbol, &low, &high, &block)) |
8a3fe4f8 | 1665 | error (_("No function contains specified address.")); |
f75a0693 AB |
1666 | |
1667 | if (asm_demangle) | |
1668 | name = symbol->print_name (); | |
1669 | else | |
1670 | name = symbol->linkage_name (); | |
1671 | ||
83c31e7d | 1672 | #if defined(TUI) |
021e7609 AC |
1673 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously |
1674 | `tui_version'. */ | |
22940a24 AC |
1675 | if (tui_active) |
1676 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1677 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
83c31e7d | 1678 | #endif |
13274fc3 | 1679 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
9c419145 | 1680 | flags |= DISASSEMBLY_OMIT_FNAME; |
83c31e7d FN |
1681 | } |
1682 | else | |
1683 | { | |
1684 | /* Two arguments. */ | |
53a71c06 | 1685 | int incl_flag = 0; |
21a0512e | 1686 | low = pc; |
f1735a53 | 1687 | p = skip_spaces (p); |
bbc13ae3 | 1688 | if (p[0] == '+') |
53a71c06 | 1689 | { |
bbc13ae3 | 1690 | ++p; |
53a71c06 CR |
1691 | incl_flag = 1; |
1692 | } | |
bbc13ae3 | 1693 | high = parse_and_eval_address (p); |
53a71c06 CR |
1694 | if (incl_flag) |
1695 | high += low; | |
83c31e7d FN |
1696 | } |
1697 | ||
e9480230 | 1698 | print_disassembly (gdbarch, name, low, high, block, flags); |
83c31e7d FN |
1699 | } |
1700 | ||
b20885b0 AB |
1701 | /* Command completion for the disassemble command. */ |
1702 | ||
1703 | static void | |
1704 | disassemble_command_completer (struct cmd_list_element *ignore, | |
1705 | completion_tracker &tracker, | |
1706 | const char *text, const char * /* word */) | |
1707 | { | |
1708 | if (skip_over_slash_fmt (tracker, &text)) | |
1709 | return; | |
1710 | ||
1711 | const char *word = advance_to_expression_complete_word_point (tracker, text); | |
1712 | expression_completer (ignore, tracker, text, word); | |
1713 | } | |
1714 | ||
d318976c | 1715 | static void |
0b39b52e | 1716 | make_command (const char *arg, int from_tty) |
d318976c | 1717 | { |
d318976c | 1718 | if (arg == 0) |
be47f9e8 | 1719 | shell_escape ("make", from_tty); |
d318976c FN |
1720 | else |
1721 | { | |
be47f9e8 | 1722 | std::string cmd = std::string ("make ") + arg; |
d318976c | 1723 | |
be47f9e8 PA |
1724 | shell_escape (cmd.c_str (), from_tty); |
1725 | } | |
d318976c FN |
1726 | } |
1727 | ||
d318976c | 1728 | static void |
dede02ce | 1729 | show_user (const char *args, int from_tty) |
d318976c FN |
1730 | { |
1731 | struct cmd_list_element *c; | |
d318976c FN |
1732 | |
1733 | if (args) | |
1734 | { | |
6f937416 | 1735 | const char *comname = args; |
cdb27c12 | 1736 | |
cf00cd6f | 1737 | c = lookup_cmd (&comname, cmdlist, "", NULL, 0, 1); |
a9f116cb | 1738 | if (!cli_user_command_p (c)) |
8a3fe4f8 | 1739 | error (_("Not a user command.")); |
adb483fe | 1740 | show_user_1 (c, "", args, gdb_stdout); |
d318976c FN |
1741 | } |
1742 | else | |
1743 | { | |
1744 | for (c = cmdlist; c; c = c->next) | |
1745 | { | |
3d0b3564 | 1746 | if (cli_user_command_p (c) || c->is_prefix ()) |
adb483fe | 1747 | show_user_1 (c, "", c->name, gdb_stdout); |
d318976c FN |
1748 | } |
1749 | } | |
1750 | } | |
1751 | ||
cc81bc2d LS |
1752 | /* Return true if COMMAND or any of its sub-commands is a user defined command. |
1753 | This is a helper function for show_user_completer. */ | |
1754 | ||
1755 | static bool | |
1756 | has_user_subcmd (struct cmd_list_element *command) | |
1757 | { | |
1758 | if (cli_user_command_p (command)) | |
1759 | return true; | |
1760 | ||
1761 | /* Alias command can yield false positive. Ignore them as the targeted | |
1762 | command should be reachable anyway. */ | |
1763 | if (command->is_alias ()) | |
1764 | return false; | |
1765 | ||
1766 | if (command->is_prefix ()) | |
1767 | for (struct cmd_list_element *subcommand = *command->subcommands; | |
1768 | subcommand != nullptr; | |
1769 | subcommand = subcommand->next) | |
1770 | if (has_user_subcmd (subcommand)) | |
1771 | return true; | |
1772 | ||
1773 | return false; | |
1774 | } | |
1775 | ||
1776 | /* Implement completer for the 'show user' command. */ | |
1777 | ||
1778 | static void | |
1779 | show_user_completer (cmd_list_element *, | |
1780 | completion_tracker &tracker, const char *text, | |
1781 | const char *word) | |
1782 | { | |
1783 | struct cmd_list_element *cmd_group = cmdlist; | |
1784 | ||
1785 | /* TEXT can contain a chain of commands and subcommands. Follow the | |
1786 | commands chain until we reach the point where the user wants a | |
1787 | completion. */ | |
1788 | while (word > text) | |
1789 | { | |
1790 | const char *curr_cmd = text; | |
1791 | const char *after = skip_to_space (text); | |
1792 | const size_t curr_cmd_len = after - text; | |
1793 | text = skip_spaces (after); | |
1794 | ||
1795 | for (struct cmd_list_element *c = cmd_group; c != nullptr; c = c->next) | |
1796 | { | |
1797 | if (strlen (c->name) == curr_cmd_len | |
1798 | && strncmp (c->name, curr_cmd, curr_cmd_len) == 0) | |
1799 | { | |
1800 | if (c->subcommands == nullptr) | |
1801 | /* We arrived after a command with no child, so nothing more | |
1802 | to complete. */ | |
1803 | return; | |
1804 | ||
1805 | cmd_group = *c->subcommands; | |
1806 | break; | |
1807 | } | |
1808 | } | |
1809 | } | |
1810 | ||
1811 | const int wordlen = strlen (word); | |
1812 | for (struct cmd_list_element *c = cmd_group; c != nullptr; c = c->next) | |
1813 | if (has_user_subcmd (c)) | |
1814 | { | |
1815 | if (strncmp (c->name, word, wordlen) == 0) | |
1816 | tracker.add_completion | |
1817 | (gdb::unique_xmalloc_ptr<char> (xstrdup (c->name))); | |
1818 | } | |
1819 | } | |
1820 | ||
d318976c | 1821 | /* Search through names of commands and documentations for a certain |
ebcd3b23 MS |
1822 | regular expression. */ |
1823 | ||
66d8c862 PW |
1824 | static void |
1825 | apropos_command (const char *arg, int from_tty) | |
d318976c | 1826 | { |
66d8c862 PW |
1827 | bool verbose = arg && check_for_argument (&arg, "-v", 2); |
1828 | ||
66d8c862 | 1829 | if (arg == NULL || *arg == '\0') |
f55af66d | 1830 | error (_("REGEXP string is empty")); |
d318976c | 1831 | |
66d8c862 | 1832 | compiled_regex pattern (arg, REG_ICASE, |
2d7cc5c7 | 1833 | _("Error in regular expression")); |
dc92e161 | 1834 | |
c4e37fa8 | 1835 | apropos_cmd (gdb_stdout, cmdlist, verbose, pattern); |
d318976c | 1836 | } |
5a56e9c5 | 1837 | |
cf00cd6f PW |
1838 | /* The options for the "alias" command. */ |
1839 | ||
1840 | struct alias_opts | |
1841 | { | |
1842 | /* For "-a". */ | |
1843 | bool abbrev_flag = false; | |
1844 | }; | |
1845 | ||
1846 | static const gdb::option::option_def alias_option_defs[] = { | |
1847 | ||
1848 | gdb::option::flag_option_def<alias_opts> { | |
1849 | "a", | |
1850 | [] (alias_opts *opts) { return &opts->abbrev_flag; }, | |
1851 | N_("Specify that ALIAS is an abbreviation of COMMAND.\n\ | |
1852 | Abbreviations are not used in command completion."), | |
1853 | }, | |
1854 | ||
1855 | }; | |
1856 | ||
1857 | /* Create an option_def_group for the "alias" options, with | |
1858 | A_OPTS as context. */ | |
1859 | ||
1860 | static gdb::option::option_def_group | |
1861 | make_alias_options_def_group (alias_opts *a_opts) | |
1862 | { | |
1863 | return {{alias_option_defs}, a_opts}; | |
1864 | } | |
1865 | ||
1866 | /* Completer for the "alias_command". */ | |
1867 | ||
1868 | static void | |
1869 | alias_command_completer (struct cmd_list_element *ignore, | |
1870 | completion_tracker &tracker, | |
1871 | const char *text, const char *word) | |
1872 | { | |
1873 | const auto grp = make_alias_options_def_group (nullptr); | |
1874 | ||
1875 | tracker.set_use_custom_word_point (true); | |
1876 | ||
1877 | if (gdb::option::complete_options | |
1878 | (tracker, &text, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_ERROR, grp)) | |
1879 | return; | |
1880 | ||
1881 | const char *delim = strchr (text, '='); | |
1882 | ||
1883 | /* If we're past the "=" delimiter, complete the | |
1884 | "alias ALIAS = COMMAND [DEFAULT-ARGS...]" as if the user is | |
1885 | typing COMMAND DEFAULT-ARGS... */ | |
1886 | if (delim != text | |
1887 | && delim != nullptr | |
1888 | && isspace (delim[-1]) | |
1889 | && (isspace (delim[1]) || delim[1] == '\0')) | |
1890 | { | |
1891 | std::string new_text = std::string (delim + 1); | |
1892 | ||
1893 | tracker.advance_custom_word_point_by (delim + 1 - text); | |
1894 | complete_nested_command_line (tracker, new_text.c_str ()); | |
1895 | return; | |
1896 | } | |
1897 | ||
1898 | /* We're not yet past the "=" delimiter. Complete a command, as | |
1899 | the user might type an alias following a prefix command. */ | |
1900 | complete_nested_command_line (tracker, text); | |
1901 | } | |
1902 | ||
5a56e9c5 DE |
1903 | /* Subroutine of alias_command to simplify it. |
1904 | Return the first N elements of ARGV flattened back to a string | |
1905 | with a space separating each element. | |
1906 | ARGV may not be NULL. | |
1907 | This does not take care of quoting elements in case they contain spaces | |
1908 | on purpose. */ | |
1909 | ||
a97e29d2 TT |
1910 | static std::string |
1911 | argv_to_string (char **argv, int n) | |
5a56e9c5 DE |
1912 | { |
1913 | int i; | |
a97e29d2 | 1914 | std::string result; |
5a56e9c5 DE |
1915 | |
1916 | gdb_assert (argv != NULL); | |
1917 | gdb_assert (n >= 0 && n <= countargv (argv)); | |
1918 | ||
1919 | for (i = 0; i < n; ++i) | |
1920 | { | |
1921 | if (i > 0) | |
a97e29d2 TT |
1922 | result += " "; |
1923 | result += argv[i]; | |
5a56e9c5 DE |
1924 | } |
1925 | ||
1926 | return result; | |
1927 | } | |
1928 | ||
1929 | /* Subroutine of alias_command to simplify it. | |
cf00cd6f PW |
1930 | Verifies that COMMAND can have an alias: |
1931 | COMMAND must exist. | |
1932 | COMMAND must not have default args. | |
1933 | This last condition is to avoid the following: | |
1934 | alias aaa = backtrace -full | |
1935 | alias bbb = aaa -past-main | |
1936 | as (at least currently), alias default args are not cumulative | |
1937 | and the user would expect bbb to execute 'backtrace -full -past-main' | |
1938 | while it will execute 'backtrace -past-main'. */ | |
5a56e9c5 | 1939 | |
3947f654 | 1940 | static cmd_list_element * |
cf00cd6f | 1941 | validate_aliased_command (const char *command) |
5a56e9c5 | 1942 | { |
cf00cd6f | 1943 | std::string default_args; |
3947f654 SM |
1944 | cmd_list_element *c |
1945 | = lookup_cmd_1 (& command, cmdlist, NULL, &default_args, 1); | |
5a56e9c5 DE |
1946 | |
1947 | if (c == NULL || c == (struct cmd_list_element *) -1) | |
cf00cd6f PW |
1948 | error (_("Invalid command to alias to: %s"), command); |
1949 | ||
1950 | if (!default_args.empty ()) | |
1951 | error (_("Cannot define an alias of an alias that has default args")); | |
3947f654 SM |
1952 | |
1953 | return c; | |
5a56e9c5 DE |
1954 | } |
1955 | ||
7f31862a PA |
1956 | /* Called when "alias" was incorrectly used. */ |
1957 | ||
1958 | static void | |
1959 | alias_usage_error (void) | |
1960 | { | |
cf00cd6f | 1961 | error (_("Usage: alias [-a] [--] ALIAS = COMMAND [DEFAULT-ARGS...]")); |
7f31862a PA |
1962 | } |
1963 | ||
5a56e9c5 DE |
1964 | /* Make an alias of an existing command. */ |
1965 | ||
1966 | static void | |
0b39b52e | 1967 | alias_command (const char *args, int from_tty) |
5a56e9c5 | 1968 | { |
cf00cd6f PW |
1969 | alias_opts a_opts; |
1970 | ||
1971 | auto grp = make_alias_options_def_group (&a_opts); | |
1972 | gdb::option::process_options | |
1973 | (&args, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_ERROR, grp); | |
1974 | ||
5a56e9c5 | 1975 | int i, alias_argc, command_argc; |
0b39b52e | 1976 | const char *equals; |
a97e29d2 | 1977 | const char *alias, *command; |
5a56e9c5 DE |
1978 | |
1979 | if (args == NULL || strchr (args, '=') == NULL) | |
7f31862a | 1980 | alias_usage_error (); |
5a56e9c5 | 1981 | |
773a1edc TT |
1982 | equals = strchr (args, '='); |
1983 | std::string args2 (args, equals - args); | |
1984 | ||
1985 | gdb_argv built_alias_argv (args2.c_str ()); | |
cf00cd6f PW |
1986 | |
1987 | const char *default_args = equals + 1; | |
1988 | struct cmd_list_element *c_command_prefix; | |
1989 | ||
1990 | lookup_cmd_for_default_args (&default_args, &c_command_prefix); | |
1991 | std::string command_argv_str (equals + 1, | |
1992 | default_args == nullptr | |
1993 | ? strlen (equals + 1) | |
1994 | : default_args - equals - 1); | |
1995 | gdb_argv command_argv (command_argv_str.c_str ()); | |
5a56e9c5 | 1996 | |
773a1edc | 1997 | char **alias_argv = built_alias_argv.get (); |
5a56e9c5 DE |
1998 | |
1999 | if (alias_argv[0] == NULL || command_argv[0] == NULL | |
2000 | || *alias_argv[0] == '\0' || *command_argv[0] == '\0') | |
7f31862a | 2001 | alias_usage_error (); |
5a56e9c5 DE |
2002 | |
2003 | for (i = 0; alias_argv[i] != NULL; ++i) | |
2004 | { | |
2005 | if (! valid_user_defined_cmd_name_p (alias_argv[i])) | |
2006 | { | |
2007 | if (i == 0) | |
2008 | error (_("Invalid command name: %s"), alias_argv[i]); | |
2009 | else | |
2010 | error (_("Invalid command element name: %s"), alias_argv[i]); | |
2011 | } | |
2012 | } | |
2013 | ||
2014 | alias_argc = countargv (alias_argv); | |
773a1edc | 2015 | command_argc = command_argv.count (); |
5a56e9c5 | 2016 | |
cf00cd6f | 2017 | /* COMMAND must exist, and cannot have default args. |
5a56e9c5 DE |
2018 | Reconstruct the command to remove any extraneous spaces, |
2019 | for better error messages. */ | |
773a1edc TT |
2020 | std::string command_string (argv_to_string (command_argv.get (), |
2021 | command_argc)); | |
a97e29d2 | 2022 | command = command_string.c_str (); |
3947f654 | 2023 | cmd_list_element *target_cmd = validate_aliased_command (command); |
5a56e9c5 DE |
2024 | |
2025 | /* ALIAS must not exist. */ | |
a97e29d2 TT |
2026 | std::string alias_string (argv_to_string (alias_argv, alias_argc)); |
2027 | alias = alias_string.c_str (); | |
0605465f PW |
2028 | { |
2029 | cmd_list_element *alias_cmd, *prefix_cmd, *cmd; | |
2030 | ||
2031 | if (lookup_cmd_composition (alias, &alias_cmd, &prefix_cmd, &cmd)) | |
2032 | { | |
2033 | const char *alias_name = alias_argv[alias_argc-1]; | |
2034 | ||
2035 | /* If we found an existing ALIAS_CMD, check that the prefix differ or | |
2036 | the name differ. */ | |
2037 | ||
2038 | if (alias_cmd != nullptr | |
2039 | && alias_cmd->prefix == prefix_cmd | |
2040 | && strcmp (alias_name, alias_cmd->name) == 0) | |
2041 | error (_("Alias already exists: %s"), alias); | |
2042 | ||
2043 | /* Check ALIAS differs from the found CMD. */ | |
2044 | ||
2045 | if (cmd->prefix == prefix_cmd | |
2046 | && strcmp (alias_name, cmd->name) == 0) | |
2047 | error (_("Alias %s is the name of an existing command"), alias); | |
2048 | } | |
2049 | } | |
2050 | ||
5a56e9c5 | 2051 | |
cf00cd6f PW |
2052 | struct cmd_list_element *alias_cmd; |
2053 | ||
5a56e9c5 DE |
2054 | /* If ALIAS is one word, it is an alias for the entire COMMAND. |
2055 | Example: alias spe = set print elements | |
2056 | ||
2057 | Otherwise ALIAS and COMMAND must have the same number of words, | |
b65b566c PW |
2058 | and every word except the last must identify the same prefix command; |
2059 | and the last word of ALIAS is made an alias of the last word of COMMAND. | |
5a56e9c5 DE |
2060 | Example: alias set print elms = set pr elem |
2061 | Note that unambiguous abbreviations are allowed. */ | |
2062 | ||
2063 | if (alias_argc == 1) | |
2064 | { | |
2065 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
3947f654 SM |
2066 | alias_cmd = add_com_alias (xstrdup (alias_argv[0]), target_cmd, |
2067 | class_alias, a_opts.abbrev_flag); | |
5a56e9c5 DE |
2068 | } |
2069 | else | |
2070 | { | |
6f937416 | 2071 | const char *alias_prefix, *command_prefix; |
5a56e9c5 DE |
2072 | struct cmd_list_element *c_alias, *c_command; |
2073 | ||
2074 | if (alias_argc != command_argc) | |
2075 | error (_("Mismatched command length between ALIAS and COMMAND.")); | |
2076 | ||
2077 | /* Create copies of ALIAS and COMMAND without the last word, | |
b65b566c PW |
2078 | and use that to verify the leading elements give the same |
2079 | prefix command. */ | |
a97e29d2 TT |
2080 | std::string alias_prefix_string (argv_to_string (alias_argv, |
2081 | alias_argc - 1)); | |
b65b566c | 2082 | std::string command_prefix_string (argv_to_string (command_argv.get (), |
a97e29d2 TT |
2083 | command_argc - 1)); |
2084 | alias_prefix = alias_prefix_string.c_str (); | |
2085 | command_prefix = command_prefix_string.c_str (); | |
5a56e9c5 | 2086 | |
cf00cd6f | 2087 | c_command = lookup_cmd_1 (& command_prefix, cmdlist, NULL, NULL, 1); |
5a56e9c5 DE |
2088 | /* We've already tried to look up COMMAND. */ |
2089 | gdb_assert (c_command != NULL | |
2090 | && c_command != (struct cmd_list_element *) -1); | |
3d0b3564 | 2091 | gdb_assert (c_command->is_prefix ()); |
cf00cd6f | 2092 | c_alias = lookup_cmd_1 (& alias_prefix, cmdlist, NULL, NULL, 1); |
5a56e9c5 DE |
2093 | if (c_alias != c_command) |
2094 | error (_("ALIAS and COMMAND prefixes do not match.")); | |
2095 | ||
2096 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
cf00cd6f | 2097 | alias_cmd = add_alias_cmd (xstrdup (alias_argv[alias_argc - 1]), |
5e84b7ee | 2098 | target_cmd, class_alias, a_opts.abbrev_flag, |
14b42fc4 | 2099 | c_command->subcommands); |
cf00cd6f PW |
2100 | } |
2101 | ||
2102 | gdb_assert (alias_cmd != nullptr); | |
2103 | gdb_assert (alias_cmd->default_args.empty ()); | |
2104 | if (default_args != nullptr) | |
2105 | { | |
2106 | default_args = skip_spaces (default_args); | |
2107 | ||
2108 | alias_cmd->default_args = default_args; | |
5a56e9c5 DE |
2109 | } |
2110 | } | |
d318976c | 2111 | \f |
06871ae8 PA |
2112 | /* Print the file / line number / symbol name of the location |
2113 | specified by SAL. */ | |
2114 | ||
2115 | static void | |
2116 | print_sal_location (const symtab_and_line &sal) | |
2117 | { | |
2118 | scoped_restore_current_program_space restore_pspace; | |
2119 | set_current_program_space (sal.pspace); | |
2120 | ||
2121 | const char *sym_name = NULL; | |
2122 | if (sal.symbol != NULL) | |
987012b8 | 2123 | sym_name = sal.symbol->print_name (); |
6cb06a8c TT |
2124 | gdb_printf (_("file: \"%s\", line number: %d, symbol: \"%s\"\n"), |
2125 | symtab_to_filename_for_display (sal.symtab), | |
2126 | sal.line, sym_name != NULL ? sym_name : "???"); | |
06871ae8 PA |
2127 | } |
2128 | ||
0378c332 | 2129 | /* Print a list of files and line numbers which a user may choose from |
ebcd3b23 | 2130 | in order to list a function which was specified ambiguously (as |
6c5b2ebe PA |
2131 | with `list classname::overloadedfuncname', for example). The SALS |
2132 | array provides the filenames and line numbers. FORMAT is a | |
2133 | printf-style format string used to tell the user what was | |
e439fa14 | 2134 | ambiguous. */ |
0378c332 FN |
2135 | |
2136 | static void | |
6c5b2ebe PA |
2137 | ambiguous_line_spec (gdb::array_view<const symtab_and_line> sals, |
2138 | const char *format, ...) | |
0378c332 | 2139 | { |
e439fa14 PA |
2140 | va_list ap; |
2141 | va_start (ap, format); | |
19a7b8ab | 2142 | gdb_vprintf (format, ap); |
e439fa14 PA |
2143 | va_end (ap); |
2144 | ||
6c5b2ebe | 2145 | for (const auto &sal : sals) |
06871ae8 | 2146 | print_sal_location (sal); |
0378c332 FN |
2147 | } |
2148 | ||
6c5b2ebe PA |
2149 | /* Comparison function for filter_sals. Returns a qsort-style |
2150 | result. */ | |
f8eba3c6 TT |
2151 | |
2152 | static int | |
6c5b2ebe | 2153 | cmp_symtabs (const symtab_and_line &sala, const symtab_and_line &salb) |
f8eba3c6 | 2154 | { |
e4730328 SM |
2155 | const char *dira = sala.symtab->compunit ()->dirname (); |
2156 | const char *dirb = salb.symtab->compunit ()->dirname (); | |
f8eba3c6 TT |
2157 | int r; |
2158 | ||
ee6f8984 | 2159 | if (dira == NULL) |
f8eba3c6 | 2160 | { |
ee6f8984 | 2161 | if (dirb != NULL) |
f8eba3c6 TT |
2162 | return -1; |
2163 | } | |
ee6f8984 | 2164 | else if (dirb == NULL) |
f8eba3c6 | 2165 | { |
ee6f8984 | 2166 | if (dira != NULL) |
f8eba3c6 TT |
2167 | return 1; |
2168 | } | |
2169 | else | |
2170 | { | |
ee6f8984 | 2171 | r = filename_cmp (dira, dirb); |
f8eba3c6 TT |
2172 | if (r) |
2173 | return r; | |
2174 | } | |
2175 | ||
6c5b2ebe | 2176 | r = filename_cmp (sala.symtab->filename, salb.symtab->filename); |
f8eba3c6 TT |
2177 | if (r) |
2178 | return r; | |
2179 | ||
6c5b2ebe | 2180 | if (sala.line < salb.line) |
f8eba3c6 | 2181 | return -1; |
6c5b2ebe | 2182 | return sala.line == salb.line ? 0 : 1; |
f8eba3c6 TT |
2183 | } |
2184 | ||
2185 | /* Remove any SALs that do not match the current program space, or | |
2186 | which appear to be "file:line" duplicates. */ | |
2187 | ||
2188 | static void | |
6c5b2ebe | 2189 | filter_sals (std::vector<symtab_and_line> &sals) |
f8eba3c6 | 2190 | { |
6c5b2ebe PA |
2191 | /* Remove SALs that do not match. */ |
2192 | auto from = std::remove_if (sals.begin (), sals.end (), | |
2193 | [&] (const symtab_and_line &sal) | |
2194 | { return (sal.pspace != current_program_space || sal.symtab == NULL); }); | |
2195 | ||
2196 | /* Remove dups. */ | |
2197 | std::sort (sals.begin (), from, | |
2198 | [] (const symtab_and_line &sala, const symtab_and_line &salb) | |
2199 | { return cmp_symtabs (sala, salb) < 0; }); | |
2200 | ||
2201 | from = std::unique (sals.begin (), from, | |
2202 | [&] (const symtab_and_line &sala, | |
2203 | const symtab_and_line &salb) | |
2204 | { return cmp_symtabs (sala, salb) == 0; }); | |
2205 | ||
2206 | sals.erase (from, sals.end ()); | |
f8eba3c6 TT |
2207 | } |
2208 | ||
920d2a44 AC |
2209 | static void |
2210 | show_info_verbose (struct ui_file *file, int from_tty, | |
2211 | struct cmd_list_element *c, | |
2212 | const char *value) | |
2213 | { | |
2214 | if (info_verbose) | |
6cb06a8c TT |
2215 | gdb_printf (file, |
2216 | _("Verbose printing of informational messages is %s.\n"), | |
2217 | value); | |
920d2a44 | 2218 | else |
6cb06a8c | 2219 | gdb_printf (file, _("Verbosity is %s.\n"), value); |
920d2a44 AC |
2220 | } |
2221 | ||
2222 | static void | |
2223 | show_history_expansion_p (struct ui_file *file, int from_tty, | |
2224 | struct cmd_list_element *c, const char *value) | |
2225 | { | |
6cb06a8c TT |
2226 | gdb_printf (file, _("History expansion on command input is %s.\n"), |
2227 | value); | |
920d2a44 AC |
2228 | } |
2229 | ||
920d2a44 AC |
2230 | static void |
2231 | show_max_user_call_depth (struct ui_file *file, int from_tty, | |
2232 | struct cmd_list_element *c, const char *value) | |
2233 | { | |
6cb06a8c TT |
2234 | gdb_printf (file, |
2235 | _("The max call depth for user-defined commands is %s.\n"), | |
2236 | value); | |
920d2a44 AC |
2237 | } |
2238 | ||
61fb7376 TBA |
2239 | /* Implement 'show suppress-cli-notifications'. */ |
2240 | ||
2241 | static void | |
2242 | show_suppress_cli_notifications (ui_file *file, int from_tty, | |
2243 | cmd_list_element *c, const char *value) | |
2244 | { | |
6cb06a8c TT |
2245 | gdb_printf (file, _("Suppression of printing CLI notifications " |
2246 | "is %s.\n"), value); | |
61fb7376 TBA |
2247 | } |
2248 | ||
2249 | /* Implement 'set suppress-cli-notifications'. */ | |
2250 | ||
2251 | static void | |
2252 | set_suppress_cli_notifications (const char *args, int from_tty, | |
2253 | cmd_list_element *c) | |
2254 | { | |
2255 | cli_suppress_notification.user_selected_context | |
2256 | = user_wants_cli_suppress_notification; | |
2257 | cli_suppress_notification.normal_stop | |
2258 | = user_wants_cli_suppress_notification; | |
2259 | } | |
2260 | ||
9ad9b77d PW |
2261 | /* Returns the cmd_list_element in SHOWLIST corresponding to the first |
2262 | argument of ARGV, which must contain one single value. | |
2263 | Throws an error if no value provided, or value not correct. | |
2264 | FNNAME is used in the error message. */ | |
2265 | ||
2266 | static cmd_list_element * | |
2267 | setting_cmd (const char *fnname, struct cmd_list_element *showlist, | |
2268 | int argc, struct value **argv) | |
2269 | { | |
2270 | if (argc == 0) | |
2271 | error (_("You must provide an argument to %s"), fnname); | |
2272 | if (argc != 1) | |
2273 | error (_("You can only provide one argument to %s"), fnname); | |
2274 | ||
d0c97917 | 2275 | struct type *type0 = check_typedef (argv[0]->type ()); |
9ad9b77d | 2276 | |
78134374 SM |
2277 | if (type0->code () != TYPE_CODE_ARRAY |
2278 | && type0->code () != TYPE_CODE_STRING) | |
9ad9b77d PW |
2279 | error (_("First argument of %s must be a string."), fnname); |
2280 | ||
ec5e9488 AB |
2281 | /* Not all languages null-terminate their strings, by moving the string |
2282 | content into a std::string we ensure that a null-terminator is added. | |
2283 | For languages that do add a null-terminator the std::string might end | |
2284 | up with two null characters at the end, but that's harmless. */ | |
2285 | const std::string setting ((const char *) argv[0]->contents ().data (), | |
2286 | type0->length ()); | |
2287 | const char *a0 = setting.c_str (); | |
cf00cd6f | 2288 | cmd_list_element *cmd = lookup_cmd (&a0, showlist, "", NULL, -1, 0); |
9ad9b77d | 2289 | |
cd4c4c07 | 2290 | if (cmd == nullptr || cmd->type != show_cmd) |
a02fcd08 AB |
2291 | { |
2292 | gdb_assert (showlist->prefix != nullptr); | |
2293 | std::vector<std::string> components | |
2294 | = showlist->prefix->command_components (); | |
2295 | std::string full_name = components[0]; | |
2296 | for (int i = 1; i < components.size (); ++i) | |
2297 | full_name += " " + components[i]; | |
2298 | error (_("First argument of %s must be a valid setting of the " | |
2299 | "'%s' command."), fnname, full_name.c_str ()); | |
2300 | } | |
9ad9b77d PW |
2301 | |
2302 | return cmd; | |
2303 | } | |
2304 | ||
2305 | /* Builds a value from the show CMD. */ | |
2306 | ||
2307 | static struct value * | |
1d7fe7f0 | 2308 | value_from_setting (const setting &var, struct gdbarch *gdbarch) |
9ad9b77d | 2309 | { |
1d7fe7f0 | 2310 | switch (var.type ()) |
9ad9b77d | 2311 | { |
7aeb03e2 | 2312 | case var_uinteger: |
9ad9b77d | 2313 | case var_integer: |
7aeb03e2 MR |
2314 | case var_pinteger: |
2315 | { | |
2316 | LONGEST value | |
2317 | = (var.type () == var_uinteger | |
2318 | ? static_cast<LONGEST> (var.get<unsigned int> ()) | |
2319 | : static_cast<LONGEST> (var.get<int> ())); | |
2320 | ||
2321 | if (var.extra_literals () != nullptr) | |
2322 | for (const literal_def *l = var.extra_literals (); | |
2323 | l->literal != nullptr; | |
2324 | l++) | |
2325 | if (value == l->use) | |
2326 | { | |
2327 | if (l->val.has_value ()) | |
2328 | value = *l->val; | |
2329 | else | |
317c3ed9 | 2330 | return value::allocate (builtin_type (gdbarch)->builtin_void); |
7aeb03e2 MR |
2331 | break; |
2332 | } | |
2333 | ||
2334 | if (var.type () == var_uinteger) | |
2335 | return | |
2336 | value_from_ulongest (builtin_type (gdbarch)->builtin_unsigned_int, | |
2337 | static_cast<unsigned int> (value)); | |
2338 | else | |
2339 | return | |
2340 | value_from_longest (builtin_type (gdbarch)->builtin_int, | |
2341 | static_cast<int> (value)); | |
2342 | } | |
9ad9b77d PW |
2343 | case var_boolean: |
2344 | return value_from_longest (builtin_type (gdbarch)->builtin_int, | |
1d7fe7f0 | 2345 | var.get<bool> () ? 1 : 0); |
9ad9b77d PW |
2346 | case var_auto_boolean: |
2347 | { | |
2348 | int val; | |
2349 | ||
1d7fe7f0 | 2350 | switch (var.get<enum auto_boolean> ()) |
9ad9b77d PW |
2351 | { |
2352 | case AUTO_BOOLEAN_TRUE: | |
2353 | val = 1; | |
2354 | break; | |
2355 | case AUTO_BOOLEAN_FALSE: | |
2356 | val = 0; | |
2357 | break; | |
2358 | case AUTO_BOOLEAN_AUTO: | |
2359 | val = -1; | |
2360 | break; | |
2361 | default: | |
2362 | gdb_assert_not_reached ("invalid var_auto_boolean"); | |
2363 | } | |
2364 | return value_from_longest (builtin_type (gdbarch)->builtin_int, | |
2365 | val); | |
2366 | } | |
9ad9b77d PW |
2367 | case var_string: |
2368 | case var_string_noescape: | |
2369 | case var_optional_filename: | |
2370 | case var_filename: | |
2371 | case var_enum: | |
1d7fe7f0 LS |
2372 | { |
2373 | const char *value; | |
e0700ba4 | 2374 | size_t len; |
1d7fe7f0 | 2375 | if (var.type () == var_enum) |
e0700ba4 SM |
2376 | { |
2377 | value = var.get<const char *> (); | |
2378 | len = strlen (value); | |
2379 | } | |
1d7fe7f0 | 2380 | else |
e0700ba4 SM |
2381 | { |
2382 | const std::string &st = var.get<std::string> (); | |
2383 | value = st.c_str (); | |
2384 | len = st.length (); | |
2385 | } | |
1d7fe7f0 | 2386 | |
baab3753 | 2387 | return current_language->value_string (gdbarch, value, len); |
1d7fe7f0 | 2388 | } |
9ad9b77d PW |
2389 | default: |
2390 | gdb_assert_not_reached ("bad var_type"); | |
2391 | } | |
2392 | } | |
2393 | ||
2394 | /* Implementation of the convenience function $_gdb_setting. */ | |
2395 | ||
2396 | static struct value * | |
2397 | gdb_setting_internal_fn (struct gdbarch *gdbarch, | |
2398 | const struct language_defn *language, | |
2399 | void *cookie, int argc, struct value **argv) | |
2400 | { | |
1d7fe7f0 LS |
2401 | cmd_list_element *show_cmd |
2402 | = setting_cmd ("$_gdb_setting", showlist, argc, argv); | |
2403 | ||
2404 | gdb_assert (show_cmd->var.has_value ()); | |
2405 | ||
2406 | return value_from_setting (*show_cmd->var, gdbarch); | |
9ad9b77d PW |
2407 | } |
2408 | ||
2409 | /* Implementation of the convenience function $_gdb_maint_setting. */ | |
2410 | ||
2411 | static struct value * | |
2412 | gdb_maint_setting_internal_fn (struct gdbarch *gdbarch, | |
2413 | const struct language_defn *language, | |
2414 | void *cookie, int argc, struct value **argv) | |
2415 | { | |
1d7fe7f0 LS |
2416 | cmd_list_element *show_cmd |
2417 | = setting_cmd ("$_gdb_maint_setting", maintenance_show_cmdlist, argc, argv); | |
2418 | ||
2419 | gdb_assert (show_cmd->var.has_value ()); | |
2420 | ||
2421 | return value_from_setting (*show_cmd->var, gdbarch); | |
9ad9b77d PW |
2422 | } |
2423 | ||
2424 | /* Builds a string value from the show CMD. */ | |
2425 | ||
2426 | static struct value * | |
1d7fe7f0 | 2427 | str_value_from_setting (const setting &var, struct gdbarch *gdbarch) |
9ad9b77d | 2428 | { |
1d7fe7f0 | 2429 | switch (var.type ()) |
9ad9b77d | 2430 | { |
7aeb03e2 | 2431 | case var_uinteger: |
9ad9b77d | 2432 | case var_integer: |
7aeb03e2 | 2433 | case var_pinteger: |
9ad9b77d | 2434 | case var_boolean: |
9ad9b77d | 2435 | case var_auto_boolean: |
9ad9b77d | 2436 | { |
1d7fe7f0 | 2437 | std::string cmd_val = get_setshow_command_value_string (var); |
9ad9b77d | 2438 | |
baab3753 AB |
2439 | return current_language->value_string (gdbarch, cmd_val.c_str (), |
2440 | cmd_val.size ()); | |
9ad9b77d PW |
2441 | } |
2442 | ||
2443 | case var_string: | |
2444 | case var_string_noescape: | |
2445 | case var_optional_filename: | |
2446 | case var_filename: | |
2447 | case var_enum: | |
2448 | /* For these cases, we do not use get_setshow_command_value_string, | |
2449 | as this function handle some characters specially, e.g. by | |
1d7fe7f0 LS |
2450 | escaping quotevar. So, we directly use the var string value, |
2451 | similarly to the value_from_setting code for these casevar. */ | |
2452 | { | |
2453 | const char *value; | |
e0700ba4 | 2454 | size_t len; |
1d7fe7f0 | 2455 | if (var.type () == var_enum) |
e0700ba4 SM |
2456 | { |
2457 | value = var.get<const char *> (); | |
2458 | len = strlen (value); | |
2459 | } | |
1d7fe7f0 | 2460 | else |
e0700ba4 SM |
2461 | { |
2462 | const std::string &st = var.get<std::string> (); | |
2463 | value = st.c_str (); | |
2464 | len = st.length (); | |
2465 | } | |
9ad9b77d | 2466 | |
baab3753 | 2467 | return current_language->value_string (gdbarch, value, len); |
1d7fe7f0 | 2468 | } |
9ad9b77d PW |
2469 | default: |
2470 | gdb_assert_not_reached ("bad var_type"); | |
2471 | } | |
2472 | } | |
2473 | ||
2474 | /* Implementation of the convenience function $_gdb_setting_str. */ | |
2475 | ||
2476 | static struct value * | |
2477 | gdb_setting_str_internal_fn (struct gdbarch *gdbarch, | |
2478 | const struct language_defn *language, | |
2479 | void *cookie, int argc, struct value **argv) | |
2480 | { | |
1d7fe7f0 LS |
2481 | cmd_list_element *show_cmd |
2482 | = setting_cmd ("$_gdb_setting_str", showlist, argc, argv); | |
2483 | ||
2484 | gdb_assert (show_cmd->var.has_value ()); | |
2485 | ||
2486 | return str_value_from_setting (*show_cmd->var, gdbarch); | |
9ad9b77d PW |
2487 | } |
2488 | ||
2489 | ||
2490 | /* Implementation of the convenience function $_gdb_maint_setting_str. */ | |
2491 | ||
2492 | static struct value * | |
2493 | gdb_maint_setting_str_internal_fn (struct gdbarch *gdbarch, | |
2494 | const struct language_defn *language, | |
2495 | void *cookie, int argc, struct value **argv) | |
2496 | { | |
1d7fe7f0 LS |
2497 | cmd_list_element *show_cmd |
2498 | = setting_cmd ("$_gdb_maint_setting_str", maintenance_show_cmdlist, argc, | |
2499 | argv); | |
2500 | ||
2501 | gdb_assert (show_cmd->var.has_value ()); | |
2502 | ||
2503 | return str_value_from_setting (*show_cmd->var, gdbarch); | |
9ad9b77d PW |
2504 | } |
2505 | ||
91265a7d PA |
2506 | /* Implementation of the convenience function $_shell. */ |
2507 | ||
2508 | static struct value * | |
2509 | shell_internal_fn (struct gdbarch *gdbarch, | |
2510 | const struct language_defn *language, | |
2511 | void *cookie, int argc, struct value **argv) | |
2512 | { | |
2513 | if (argc != 1) | |
2514 | error (_("You must provide one argument for $_shell.")); | |
2515 | ||
2516 | value *val = argv[0]; | |
2517 | struct type *type = check_typedef (val->type ()); | |
2518 | ||
2519 | if (!language->is_string_type_p (type)) | |
2520 | error (_("Argument must be a string.")); | |
2521 | ||
2522 | value_print_options opts; | |
2523 | get_no_prettyformat_print_options (&opts); | |
2524 | ||
2525 | string_file stream; | |
2526 | value_print (val, &stream, &opts); | |
2527 | ||
2528 | /* We should always have two quote chars, which we'll strip. */ | |
2529 | gdb_assert (stream.size () >= 2); | |
2530 | ||
2531 | /* Now strip them. We don't need the original string, so it's | |
2532 | cheaper to do it in place, avoiding a string allocation. */ | |
2533 | std::string str = stream.release (); | |
2534 | str[str.size () - 1] = 0; | |
2535 | const char *command = str.c_str () + 1; | |
2536 | ||
2537 | int exit_status = run_under_shell (command, 0); | |
2538 | ||
2539 | struct type *int_type = builtin_type (gdbarch)->builtin_int; | |
2540 | ||
2541 | /* Keep the logic here in sync with | |
2542 | exit_status_set_internal_vars. */ | |
2543 | ||
2544 | if (WIFEXITED (exit_status)) | |
2545 | return value_from_longest (int_type, WEXITSTATUS (exit_status)); | |
2546 | #ifdef __MINGW32__ | |
2547 | else if (WIFSIGNALED (exit_status) && WTERMSIG (exit_status) == -1) | |
2548 | { | |
2549 | /* See exit_status_set_internal_vars. */ | |
2550 | return value_from_longest (int_type, exit_status); | |
2551 | } | |
2552 | #endif | |
2553 | else if (WIFSIGNALED (exit_status)) | |
2554 | { | |
2555 | /* (0x80 | SIGNO) is what most (all?) POSIX-like shells set as | |
2556 | exit code on fatal signal termination. */ | |
2557 | return value_from_longest (int_type, 0x80 | WTERMSIG (exit_status)); | |
2558 | } | |
2559 | else | |
2560 | return value::allocate_optimized_out (int_type); | |
2561 | } | |
2562 | ||
6c265988 | 2563 | void _initialize_cli_cmds (); |
d318976c | 2564 | void |
6c265988 | 2565 | _initialize_cli_cmds () |
d318976c FN |
2566 | { |
2567 | struct cmd_list_element *c; | |
2568 | ||
2569 | /* Define the classes of commands. | |
1bfeeb0f | 2570 | They will appear in the help list in alphabetical order. */ |
d318976c | 2571 | |
0450cc4c | 2572 | add_cmd ("internals", class_maintenance, _("\ |
1a966eab | 2573 | Maintenance commands.\n\ |
d318976c FN |
2574 | Some gdb commands are provided just for use by gdb maintainers.\n\ |
2575 | These commands are subject to frequent change, and may not be as\n\ | |
1a966eab | 2576 | well documented as user commands."), |
d318976c | 2577 | &cmdlist); |
0450cc4c TT |
2578 | add_cmd ("obscure", class_obscure, _("Obscure features."), &cmdlist); |
2579 | add_cmd ("aliases", class_alias, | |
cf00cd6f | 2580 | _("User-defined aliases of other commands."), &cmdlist); |
0450cc4c | 2581 | add_cmd ("user-defined", class_user, _("\ |
1a966eab | 2582 | User-defined commands.\n\ |
d318976c | 2583 | The commands in this class are those defined by the user.\n\ |
1a966eab | 2584 | Use the \"define\" command to define a command."), &cmdlist); |
0450cc4c | 2585 | add_cmd ("support", class_support, _("Support facilities."), &cmdlist); |
49a82d50 | 2586 | add_cmd ("status", class_info, _("Status inquiries."), &cmdlist); |
0450cc4c | 2587 | add_cmd ("files", class_files, _("Specifying and examining files."), |
1a966eab | 2588 | &cmdlist); |
0450cc4c | 2589 | add_cmd ("breakpoints", class_breakpoint, |
1a966eab | 2590 | _("Making program stop at certain points."), &cmdlist); |
0450cc4c TT |
2591 | add_cmd ("data", class_vars, _("Examining data."), &cmdlist); |
2592 | add_cmd ("stack", class_stack, _("\ | |
1a966eab | 2593 | Examining the stack.\n\ |
d318976c FN |
2594 | The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\ |
2595 | counting from zero for the innermost (currently executing) frame.\n\n\ | |
2596 | At any time gdb identifies one frame as the \"selected\" frame.\n\ | |
2597 | Variable lookups are done with respect to the selected frame.\n\ | |
2598 | When the program being debugged stops, gdb selects the innermost frame.\n\ | |
1a966eab | 2599 | The commands below can be used to select other frames by number or address."), |
d318976c | 2600 | &cmdlist); |
e98d2e6d PW |
2601 | #ifdef TUI |
2602 | add_cmd ("text-user-interface", class_tui, | |
2603 | _("TUI is the GDB text based interface.\n\ | |
2604 | In TUI mode, GDB can display several text windows showing\n\ | |
2605 | the source file, the processor registers, the program disassembly, ..."), &cmdlist); | |
2606 | #endif | |
0450cc4c | 2607 | add_cmd ("running", class_run, _("Running the program."), &cmdlist); |
d318976c | 2608 | |
ebcd3b23 | 2609 | /* Define general commands. */ |
d318976c | 2610 | |
d729566a | 2611 | add_com ("pwd", class_files, pwd_command, _("\ |
590042fc PW |
2612 | Print working directory.\n\ |
2613 | This is used for your program as well.")); | |
4f8d22e3 | 2614 | |
1a966eab | 2615 | c = add_cmd ("cd", class_files, cd_command, _("\ |
d092c5a2 SDJ |
2616 | Set working directory to DIR for debugger.\n\ |
2617 | The debugger's current working directory specifies where scripts and other\n\ | |
2618 | files that can be loaded by GDB are located.\n\ | |
2619 | In order to change the inferior's current working directory, the recommended\n\ | |
2620 | way is to use the \"set cwd\" command."), &cmdlist); | |
5ba2abeb | 2621 | set_cmd_completer (c, filename_completer); |
d318976c | 2622 | |
1bedd215 AC |
2623 | add_com ("echo", class_support, echo_command, _("\ |
2624 | Print a constant string. Give string as argument.\n\ | |
d318976c FN |
2625 | C escape sequences may be used in the argument.\n\ |
2626 | No newline is added at the end of the argument;\n\ | |
2627 | use \"\\n\" if you want a newline to be printed.\n\ | |
2628 | Since leading and trailing whitespace are ignored in command arguments,\n\ | |
2629 | if you want to print some you must use \"\\\" before leading whitespace\n\ | |
1bedd215 | 2630 | to be printed or after trailing whitespace.")); |
d318976c | 2631 | |
973817a3 JB |
2632 | add_setshow_enum_cmd ("script-extension", class_support, |
2633 | script_ext_enums, &script_ext_mode, _("\ | |
2634 | Set mode for script filename extension recognition."), _("\ | |
2635 | Show mode for script filename extension recognition."), _("\ | |
2636 | off == no filename extension recognition (all sourced files are GDB scripts)\n\ | |
2637 | soft == evaluate script according to filename extension, fallback to GDB script" | |
2638 | "\n\ | |
2639 | strict == evaluate script according to filename extension, error if not supported" | |
2640 | ), | |
2641 | NULL, | |
2642 | show_script_ext_mode, | |
2643 | &setlist, &showlist); | |
2644 | ||
3947f654 SM |
2645 | cmd_list_element *quit_cmd |
2646 | = add_com ("quit", class_support, quit_command, _("\ | |
bdb52a22 | 2647 | Exit gdb.\n\ |
fa8f0a0f | 2648 | Usage: quit [EXPR] or exit [EXPR]\n\ |
bdb52a22 TT |
2649 | The optional expression EXPR, if present, is evaluated and the result\n\ |
2650 | used as GDB's exit code. The default is zero.")); | |
3947f654 SM |
2651 | cmd_list_element *help_cmd |
2652 | = add_com ("help", class_support, help_command, | |
1bedd215 | 2653 | _("Print list of commands.")); |
3947f654 SM |
2654 | set_cmd_completer (help_cmd, command_completer); |
2655 | add_com_alias ("q", quit_cmd, class_support, 1); | |
fa8f0a0f | 2656 | add_com_alias ("exit", quit_cmd, class_support, 1); |
3947f654 | 2657 | add_com_alias ("h", help_cmd, class_support, 1); |
d318976c | 2658 | |
5bf193a2 AC |
2659 | add_setshow_boolean_cmd ("verbose", class_support, &info_verbose, _("\ |
2660 | Set verbosity."), _("\ | |
2661 | Show verbosity."), NULL, | |
2662 | set_verbose, | |
920d2a44 | 2663 | show_info_verbose, |
5bf193a2 | 2664 | &setlist, &showlist); |
d318976c | 2665 | |
f54bdb6d SM |
2666 | add_setshow_prefix_cmd |
2667 | ("history", class_support, | |
2668 | _("Generic command for setting command history parameters."), | |
2669 | _("Generic command for showing command history parameters."), | |
2670 | &sethistlist, &showhistlist, &setlist, &showlist); | |
d318976c | 2671 | |
5bf193a2 AC |
2672 | add_setshow_boolean_cmd ("expansion", no_class, &history_expansion_p, _("\ |
2673 | Set history expansion on command input."), _("\ | |
2674 | Show history expansion on command input."), _("\ | |
2675 | Without an argument, history expansion is enabled."), | |
2676 | NULL, | |
920d2a44 | 2677 | show_history_expansion_p, |
5bf193a2 | 2678 | &sethistlist, &showhistlist); |
d318976c | 2679 | |
3947f654 SM |
2680 | cmd_list_element *info_cmd |
2681 | = add_prefix_cmd ("info", class_info, info_command, _("\ | |
1bedd215 | 2682 | Generic command for showing things about the program being debugged."), |
3947f654 SM |
2683 | &infolist, 0, &cmdlist); |
2684 | add_com_alias ("i", info_cmd, class_info, 1); | |
2685 | add_com_alias ("inf", info_cmd, class_info, 1); | |
d318976c FN |
2686 | |
2687 | add_com ("complete", class_obscure, complete_command, | |
1bedd215 | 2688 | _("List the completions for the rest of the line as a command.")); |
d318976c | 2689 | |
a7b9ceb8 | 2690 | c = add_show_prefix_cmd ("show", class_info, _("\ |
700b53b1 | 2691 | Generic command for showing things about the debugger."), |
2f822da5 | 2692 | &showlist, 0, &cmdlist); |
d318976c | 2693 | /* Another way to get at the same thing. */ |
a7b9ceb8 | 2694 | add_alias_cmd ("set", c, class_info, 0, &infolist); |
d318976c | 2695 | |
3947f654 SM |
2696 | cmd_list_element *with_cmd |
2697 | = add_com ("with", class_vars, with_command, _("\ | |
fdbc9870 PA |
2698 | Temporarily set SETTING to VALUE, run COMMAND, and restore SETTING.\n\ |
2699 | Usage: with SETTING [VALUE] [-- COMMAND]\n\ | |
2700 | Usage: w SETTING [VALUE] [-- COMMAND]\n\ | |
2701 | With no COMMAND, repeats the last executed command.\n\ | |
2702 | \n\ | |
2703 | SETTING is any setting you can change with the \"set\" subcommands.\n\ | |
2704 | E.g.:\n\ | |
2705 | with language pascal -- print obj\n\ | |
2706 | with print elements unlimited -- print obj\n\ | |
2707 | \n\ | |
2708 | You can change multiple settings using nested with, and use\n\ | |
2709 | abbreviations for commands and/or values. E.g.:\n\ | |
2710 | w la p -- w p el u -- p obj")); | |
3947f654 SM |
2711 | set_cmd_completer_handle_brkchars (with_cmd, with_command_completer); |
2712 | add_com_alias ("w", with_cmd, class_vars, 1); | |
fdbc9870 | 2713 | |
9ad9b77d PW |
2714 | add_internal_function ("_gdb_setting_str", _("\ |
2715 | $_gdb_setting_str - returns the value of a GDB setting as a string.\n\ | |
2716 | Usage: $_gdb_setting_str (setting)\n\ | |
2717 | \n\ | |
2718 | auto-boolean values are \"off\", \"on\", \"auto\".\n\ | |
2719 | boolean values are \"off\", \"on\".\n\ | |
2720 | Some integer settings accept an unlimited value, returned\n\ | |
2721 | as \"unlimited\"."), | |
2722 | gdb_setting_str_internal_fn, NULL); | |
2723 | ||
2724 | add_internal_function ("_gdb_setting", _("\ | |
2725 | $_gdb_setting - returns the value of a GDB setting.\n\ | |
2726 | Usage: $_gdb_setting (setting)\n\ | |
2727 | auto-boolean values are \"off\", \"on\", \"auto\".\n\ | |
2728 | boolean values are \"off\", \"on\".\n\ | |
2729 | Some integer settings accept an unlimited value, returned\n\ | |
2730 | as 0 or -1 depending on the setting."), | |
2731 | gdb_setting_internal_fn, NULL); | |
2732 | ||
2733 | add_internal_function ("_gdb_maint_setting_str", _("\ | |
2734 | $_gdb_maint_setting_str - returns the value of a GDB maintenance setting as a string.\n\ | |
2735 | Usage: $_gdb_maint_setting_str (setting)\n\ | |
2736 | \n\ | |
2737 | auto-boolean values are \"off\", \"on\", \"auto\".\n\ | |
2738 | boolean values are \"off\", \"on\".\n\ | |
2739 | Some integer settings accept an unlimited value, returned\n\ | |
2740 | as \"unlimited\"."), | |
2741 | gdb_maint_setting_str_internal_fn, NULL); | |
2742 | ||
2743 | add_internal_function ("_gdb_maint_setting", _("\ | |
2744 | $_gdb_maint_setting - returns the value of a GDB maintenance setting.\n\ | |
2745 | Usage: $_gdb_maint_setting (setting)\n\ | |
2746 | auto-boolean values are \"off\", \"on\", \"auto\".\n\ | |
2747 | boolean values are \"off\", \"on\".\n\ | |
2748 | Some integer settings accept an unlimited value, returned\n\ | |
2749 | as 0 or -1 depending on the setting."), | |
2750 | gdb_maint_setting_internal_fn, NULL); | |
2751 | ||
91265a7d PA |
2752 | add_internal_function ("_shell", _("\ |
2753 | $_shell - execute a shell command and return the result.\n\ | |
2754 | \n\ | |
2755 | Usage: $_shell (COMMAND)\n\ | |
2756 | \n\ | |
2757 | Arguments:\n\ | |
2758 | \n\ | |
2759 | COMMAND: The command to execute. Must be a string.\n\ | |
2760 | \n\ | |
2761 | Returns:\n\ | |
2762 | The command's exit code: zero on success, non-zero otherwise."), | |
2763 | shell_internal_fn, NULL); | |
2764 | ||
db5f229b | 2765 | add_cmd ("commands", no_set_class, show_commands, _("\ |
1a966eab | 2766 | Show the history of commands you typed.\n\ |
d318976c | 2767 | You can supply a command number to start with, or a `+' to start after\n\ |
1a966eab | 2768 | the previous command number shown."), |
d318976c FN |
2769 | &showlist); |
2770 | ||
db5f229b | 2771 | add_cmd ("version", no_set_class, show_version, |
1a966eab | 2772 | _("Show what version of GDB this is."), &showlist); |
d318976c | 2773 | |
6eaaf48b EZ |
2774 | add_cmd ("configuration", no_set_class, show_configuration, |
2775 | _("Show how GDB was configured at build time."), &showlist); | |
2776 | ||
f54bdb6d SM |
2777 | add_setshow_prefix_cmd ("debug", no_class, |
2778 | _("Generic command for setting gdb debugging flags."), | |
2779 | _("Generic command for showing gdb debugging flags."), | |
2780 | &setdebuglist, &showdebuglist, | |
2781 | &setlist, &showlist); | |
d318976c | 2782 | |
3947f654 SM |
2783 | cmd_list_element *shell_cmd |
2784 | = add_com ("shell", class_support, shell_command, _("\ | |
1bedd215 AC |
2785 | Execute the rest of the line as a shell command.\n\ |
2786 | With no arguments, run an inferior shell.")); | |
3947f654 | 2787 | set_cmd_completer (shell_cmd, filename_completer); |
d318976c | 2788 | |
3947f654 | 2789 | add_com_alias ("!", shell_cmd, class_support, 0); |
d563b953 | 2790 | |
1bedd215 AC |
2791 | c = add_com ("edit", class_files, edit_command, _("\ |
2792 | Edit specified file or function.\n\ | |
0378c332 | 2793 | With no argument, edits file containing most recent line listed.\n\ |
0378c332 FN |
2794 | Editing targets can be specified in these ways:\n\ |
2795 | FILE:LINENUM, to edit at that line in that file,\n\ | |
2796 | FUNCTION, to edit at the beginning of that function,\n\ | |
2797 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
2798 | *ADDRESS, to edit at the line containing that address.\n\ | |
1bedd215 | 2799 | Uses EDITOR environment variable contents as editor (or ex as default).")); |
0378c332 FN |
2800 | |
2801 | c->completer = location_completer; | |
2802 | ||
3947f654 SM |
2803 | cmd_list_element *pipe_cmd |
2804 | = add_com ("pipe", class_support, pipe_command, _("\ | |
947d3946 PW |
2805 | Send the output of a gdb command to a shell command.\n\ |
2806 | Usage: | [COMMAND] | SHELL_COMMAND\n\ | |
2807 | Usage: | -d DELIM COMMAND DELIM SHELL_COMMAND\n\ | |
2808 | Usage: pipe [COMMAND] | SHELL_COMMAND\n\ | |
2809 | Usage: pipe -d DELIM COMMAND DELIM SHELL_COMMAND\n\ | |
2810 | \n\ | |
2811 | Executes COMMAND and sends its output to SHELL_COMMAND.\n\ | |
2812 | \n\ | |
2813 | The -d option indicates to use the string DELIM to separate COMMAND\n\ | |
2814 | from SHELL_COMMAND, in alternative to |. This is useful in\n\ | |
2815 | case COMMAND contains a | character.\n\ | |
2816 | \n\ | |
2817 | With no COMMAND, repeat the last executed command\n\ | |
2818 | and send its output to SHELL_COMMAND.")); | |
3947f654 SM |
2819 | set_cmd_completer_handle_brkchars (pipe_cmd, pipe_command_completer); |
2820 | add_com_alias ("|", pipe_cmd, class_support, 0); | |
947d3946 | 2821 | |
3947f654 SM |
2822 | cmd_list_element *list_cmd |
2823 | = add_com ("list", class_files, list_command, _("\ | |
1bedd215 | 2824 | List specified function or line.\n\ |
0378c332 | 2825 | With no argument, lists ten more lines after or around previous listing.\n\ |
a4e5901b | 2826 | \"list +\" lists the ten lines following a previous ten-line listing.\n\ |
0378c332 | 2827 | \"list -\" lists the ten lines before a previous ten-line listing.\n\ |
12f567bc | 2828 | \"list .\" lists ten lines around the point of execution in the current frame.\n\ |
0378c332 FN |
2829 | One argument specifies a line, and ten lines are listed around that line.\n\ |
2830 | Two arguments with comma between specify starting and ending lines to list.\n\ | |
0378c332 FN |
2831 | Lines can be specified in these ways:\n\ |
2832 | LINENUM, to list around that line in current file,\n\ | |
2833 | FILE:LINENUM, to list around that line in that file,\n\ | |
2834 | FUNCTION, to list around beginning of that function,\n\ | |
2835 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
2836 | *ADDRESS, to list around the line containing that address.\n\ | |
4fdd372d AB |
2837 | With two args, if one is empty, it stands for ten lines away from\n\ |
2838 | the other arg.\n\ | |
2839 | \n\ | |
2840 | By default, when a single location is given, display ten lines.\n\ | |
2841 | This can be changed using \"set listsize\", and the current value\n\ | |
2842 | can be shown using \"show listsize\".")); | |
0378c332 | 2843 | |
3947f654 | 2844 | add_com_alias ("l", list_cmd, class_files, 1); |
0378c332 | 2845 | |
1bedd215 AC |
2846 | c = add_com ("disassemble", class_vars, disassemble_command, _("\ |
2847 | Disassemble a specified section of memory.\n\ | |
16f3242c | 2848 | Usage: disassemble[/m|/r|/s] START [, END]\n\ |
83c31e7d | 2849 | Default is the function surrounding the pc of the selected frame.\n\ |
6ff0ba5f | 2850 | \n\ |
16f3242c TT |
2851 | With a /s modifier, source lines are included (if available).\n\ |
2852 | In this mode, the output is displayed in PC address order, and\n\ | |
2853 | file names and contents for all relevant source files are displayed.\n\ | |
2854 | \n\ | |
d14508fe | 2855 | With a /m modifier, source lines are included (if available).\n\ |
6ff0ba5f DE |
2856 | This view is \"source centric\": the output is in source line order,\n\ |
2857 | regardless of any optimization that is present. Only the main source file\n\ | |
2858 | is displayed, not those of, e.g., any inlined functions.\n\ | |
2859 | This modifier hasn't proved useful in practice and is deprecated\n\ | |
2860 | in favor of /s.\n\ | |
2861 | \n\ | |
e6158f16 | 2862 | With a /r modifier, raw instructions in hex are included.\n\ |
6ff0ba5f | 2863 | \n\ |
83c31e7d | 2864 | With a single argument, the function surrounding that address is dumped.\n\ |
53a71c06 | 2865 | Two arguments (separated by a comma) are taken as a range of memory to dump,\n\ |
7e1e0340 DE |
2866 | in the form of \"start,end\", or \"start,+length\".\n\ |
2867 | \n\ | |
2868 | Note that the address is interpreted as an expression, not as a location\n\ | |
2869 | like in the \"break\" command.\n\ | |
2870 | So, for example, if you want to disassemble function bar in file foo.c\n\ | |
2871 | you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\".")); | |
b20885b0 | 2872 | set_cmd_completer_handle_brkchars (c, disassemble_command_completer); |
0378c332 | 2873 | |
1bedd215 AC |
2874 | c = add_com ("make", class_support, make_command, _("\ |
2875 | Run the ``make'' program using the rest of the line as arguments.")); | |
5ba2abeb | 2876 | set_cmd_completer (c, filename_completer); |
cc81bc2d | 2877 | c = add_cmd ("user", no_class, show_user, _("\ |
ed3ef339 | 2878 | Show definitions of non-python/scheme user defined commands.\n\ |
d318976c | 2879 | Argument is the name of the user defined command.\n\ |
1a966eab | 2880 | With no argument, show definitions of all user defined commands."), &showlist); |
cc81bc2d | 2881 | set_cmd_completer (c, show_user_completer); |
66d8c862 | 2882 | add_com ("apropos", class_support, apropos_command, _("\ |
590042fc | 2883 | Search for commands matching a REGEXP.\n\ |
66d8c862 PW |
2884 | Usage: apropos [-v] REGEXP\n\ |
2885 | Flag -v indicates to produce a verbose output, showing full documentation\n\ | |
2886 | of the matching commands.")); | |
20f01a46 | 2887 | |
883b9c6c | 2888 | add_setshow_uinteger_cmd ("max-user-call-depth", no_class, |
c0d88b1b | 2889 | &max_user_call_depth, _("\ |
ed3ef339 DE |
2890 | Set the max call depth for non-python/scheme user-defined commands."), _("\ |
2891 | Show the max call depth for non-python/scheme user-defined commands."), NULL, | |
883b9c6c YQ |
2892 | NULL, |
2893 | show_max_user_call_depth, | |
2894 | &setlist, &showlist); | |
16026cd7 AS |
2895 | |
2896 | add_setshow_boolean_cmd ("trace-commands", no_class, &trace_commands, _("\ | |
2897 | Set tracing of GDB CLI commands."), _("\ | |
2898 | Show state of GDB CLI command tracing."), _("\ | |
2899 | When 'on', each command is displayed as it is executed."), | |
2900 | NULL, | |
2901 | NULL, | |
2902 | &setlist, &showlist); | |
5a56e9c5 | 2903 | |
cf00cd6f PW |
2904 | const auto alias_opts = make_alias_options_def_group (nullptr); |
2905 | ||
2906 | static std::string alias_help | |
2907 | = gdb::option::build_help (_("\ | |
5a56e9c5 | 2908 | Define a new command that is an alias of an existing command.\n\ |
cf00cd6f | 2909 | Usage: alias [-a] [--] ALIAS = COMMAND [DEFAULT-ARGS...]\n\ |
5a56e9c5 DE |
2910 | ALIAS is the name of the alias command to create.\n\ |
2911 | COMMAND is the command being aliased to.\n\ | |
cf00cd6f PW |
2912 | \n\ |
2913 | Options:\n\ | |
2914 | %OPTIONS%\n\ | |
2915 | \n\ | |
2916 | GDB will automatically prepend the provided DEFAULT-ARGS to the list\n\ | |
2917 | of arguments explicitly provided when using ALIAS.\n\ | |
2918 | Use \"help aliases\" to list all user defined aliases and their default args.\n\ | |
5a56e9c5 DE |
2919 | \n\ |
2920 | Examples:\n\ | |
2921 | Make \"spe\" an alias of \"set print elements\":\n\ | |
e0c45ded | 2922 | alias spe = set print elements\n\ |
5a56e9c5 | 2923 | Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\ |
e0c45ded | 2924 | alias -a set print elms = set print elements\n\ |
cf00cd6f PW |
2925 | Make \"btf\" an alias of \"backtrace -full -past-entry -past-main\" :\n\ |
2926 | alias btf = backtrace -full -past-entry -past-main\n\ | |
2927 | Make \"wLapPeu\" an alias of 2 nested \"with\":\n\ | |
2928 | alias wLapPeu = with language pascal -- with print elements unlimited --"), | |
2929 | alias_opts); | |
2930 | ||
2931 | c = add_com ("alias", class_support, alias_command, | |
2932 | alias_help.c_str ()); | |
2933 | ||
2934 | set_cmd_completer_handle_brkchars (c, alias_command_completer); | |
43e4916f | 2935 | |
61fb7376 TBA |
2936 | add_setshow_boolean_cmd ("suppress-cli-notifications", no_class, |
2937 | &user_wants_cli_suppress_notification, | |
2938 | _("\ | |
2939 | Set whether printing notifications on CLI is suppressed."), _("\ | |
2940 | Show whether printing notifications on CLI is suppressed."), _("\ | |
2941 | When on, printing notifications (such as inferior/thread switch)\n\ | |
2942 | on CLI is suppressed."), | |
2943 | set_suppress_cli_notifications, | |
2944 | show_suppress_cli_notifications, | |
2945 | &setlist, | |
2946 | &showlist); | |
2947 | ||
b777eb6d | 2948 | const char *source_help_text = xstrprintf (_("\ |
43e4916f TT |
2949 | Read commands from a file named FILE.\n\ |
2950 | \n\ | |
2951 | Usage: source [-s] [-v] FILE\n\ | |
2952 | -s: search for the script in the source search path,\n\ | |
2953 | even if FILE contains directories.\n\ | |
2954 | -v: each command in FILE is echoed as it is executed.\n\ | |
2955 | \n\ | |
2956 | Note that the file \"%s\" is read automatically in this way\n\ | |
8579fd13 | 2957 | when GDB is started."), GDBINIT).release (); |
43e4916f TT |
2958 | c = add_cmd ("source", class_support, source_command, |
2959 | source_help_text, &cmdlist); | |
2960 | set_cmd_completer (c, filename_completer); | |
2961 | } |