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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" |
ebcd3b23 | 24 | #include "target.h" /* For baud_rate, remote_debug and remote_timeout. */ |
268a13a5 | 25 | #include "gdbsupport/gdb_wait.h" /* For shell escape implementation. */ |
947d3946 | 26 | #include "gdbcmd.h" |
d322d6d6 | 27 | #include "gdbsupport/gdb_regex.h" /* Used by apropos_command. */ |
325ed089 | 28 | #include "gdb_vfork.h" |
0378c332 FN |
29 | #include "linespec.h" |
30 | #include "expression.h" | |
83c31e7d FN |
31 | #include "frame.h" |
32 | #include "value.h" | |
0378c332 | 33 | #include "language.h" |
ebcd3b23 | 34 | #include "filenames.h" /* For DOSish file names. */ |
0378c332 FN |
35 | #include "objfiles.h" |
36 | #include "source.h" | |
83c31e7d | 37 | #include "disasm.h" |
33da3f1c | 38 | #include "tracepoint.h" |
268a13a5 | 39 | #include "gdbsupport/filestuff.h" |
f00aae0f | 40 | #include "location.h" |
e9480230 | 41 | #include "block.h" |
d318976c | 42 | |
d318976c | 43 | #include "ui-out.h" |
947d3946 | 44 | #include "interps.h" |
d318976c FN |
45 | |
46 | #include "top.h" | |
47 | #include "cli/cli-decode.h" | |
48 | #include "cli/cli-script.h" | |
49 | #include "cli/cli-setshow.h" | |
50 | #include "cli/cli-cmds.h" | |
14309bb6 | 51 | #include "cli/cli-style.h" |
529480d0 | 52 | #include "cli/cli-utils.h" |
cf00cd6f | 53 | #include "cli/cli-style.h" |
d318976c | 54 | |
6dddc817 | 55 | #include "extension.h" |
268a13a5 | 56 | #include "gdbsupport/pathstuff.h" |
1845e254 | 57 | #include "gdbsupport/gdb_tilde_expand.h" |
973817a3 | 58 | |
6a83354a | 59 | #ifdef TUI |
ebcd3b23 | 60 | #include "tui/tui.h" /* For tui_active et.al. */ |
6a83354a AC |
61 | #endif |
62 | ||
4b505b12 | 63 | #include <fcntl.h> |
325fac50 | 64 | #include <algorithm> |
a97e29d2 | 65 | #include <string> |
4b505b12 | 66 | |
0378c332 FN |
67 | /* Prototypes for local utility functions */ |
68 | ||
06871ae8 PA |
69 | static void print_sal_location (const symtab_and_line &sal); |
70 | ||
6c5b2ebe | 71 | static void ambiguous_line_spec (gdb::array_view<const symtab_and_line> sals, |
e439fa14 PA |
72 | const char *format, ...) |
73 | ATTRIBUTE_PRINTF (2, 3); | |
f8eba3c6 | 74 | |
6c5b2ebe | 75 | static void filter_sals (std::vector<symtab_and_line> &); |
f8eba3c6 | 76 | |
d318976c | 77 | \f |
cc8dee1f | 78 | /* See cli-cmds.h. */ |
37163dcf | 79 | unsigned int max_user_call_depth = 1024; |
20f01a46 | 80 | |
d318976c FN |
81 | /* Define all cmd_list_elements. */ |
82 | ||
83 | /* Chain containing all defined commands. */ | |
84 | ||
85 | struct cmd_list_element *cmdlist; | |
86 | ||
87 | /* Chain containing all defined info subcommands. */ | |
88 | ||
89 | struct cmd_list_element *infolist; | |
90 | ||
ebcd3b23 | 91 | /* Chain containing all defined enable subcommands. */ |
d318976c FN |
92 | |
93 | struct cmd_list_element *enablelist; | |
94 | ||
ebcd3b23 | 95 | /* Chain containing all defined disable subcommands. */ |
d318976c FN |
96 | |
97 | struct cmd_list_element *disablelist; | |
98 | ||
ebcd3b23 | 99 | /* Chain containing all defined stop subcommands. */ |
d318976c FN |
100 | |
101 | struct cmd_list_element *stoplist; | |
102 | ||
ebcd3b23 | 103 | /* Chain containing all defined delete subcommands. */ |
d318976c FN |
104 | |
105 | struct cmd_list_element *deletelist; | |
106 | ||
ebcd3b23 | 107 | /* Chain containing all defined detach subcommands. */ |
f73adfeb AS |
108 | |
109 | struct cmd_list_element *detachlist; | |
110 | ||
ebcd3b23 | 111 | /* Chain containing all defined kill subcommands. */ |
2277426b PA |
112 | |
113 | struct cmd_list_element *killlist; | |
114 | ||
d318976c FN |
115 | /* Chain containing all defined set subcommands */ |
116 | ||
117 | struct cmd_list_element *setlist; | |
118 | ||
119 | /* Chain containing all defined unset subcommands */ | |
120 | ||
121 | struct cmd_list_element *unsetlist; | |
122 | ||
123 | /* Chain containing all defined show subcommands. */ | |
124 | ||
125 | struct cmd_list_element *showlist; | |
126 | ||
127 | /* Chain containing all defined \"set history\". */ | |
128 | ||
129 | struct cmd_list_element *sethistlist; | |
130 | ||
131 | /* Chain containing all defined \"show history\". */ | |
132 | ||
133 | struct cmd_list_element *showhistlist; | |
134 | ||
135 | /* Chain containing all defined \"unset history\". */ | |
136 | ||
137 | struct cmd_list_element *unsethistlist; | |
138 | ||
ebcd3b23 | 139 | /* Chain containing all defined maintenance subcommands. */ |
d318976c FN |
140 | |
141 | struct cmd_list_element *maintenancelist; | |
142 | ||
ebcd3b23 | 143 | /* Chain containing all defined "maintenance info" subcommands. */ |
d318976c FN |
144 | |
145 | struct cmd_list_element *maintenanceinfolist; | |
146 | ||
ebcd3b23 | 147 | /* Chain containing all defined "maintenance print" subcommands. */ |
d318976c FN |
148 | |
149 | struct cmd_list_element *maintenanceprintlist; | |
150 | ||
27d41eac YQ |
151 | /* Chain containing all defined "maintenance check" subcommands. */ |
152 | ||
153 | struct cmd_list_element *maintenancechecklist; | |
154 | ||
50a5f187 AB |
155 | /* Chain containing all defined "maintenance flush" subcommands. */ |
156 | ||
157 | struct cmd_list_element *maintenanceflushlist; | |
158 | ||
d318976c FN |
159 | struct cmd_list_element *setprintlist; |
160 | ||
161 | struct cmd_list_element *showprintlist; | |
162 | ||
163 | struct cmd_list_element *setdebuglist; | |
164 | ||
165 | struct cmd_list_element *showdebuglist; | |
166 | ||
167 | struct cmd_list_element *setchecklist; | |
168 | ||
169 | struct cmd_list_element *showchecklist; | |
16026cd7 | 170 | |
fde1a9a3 AB |
171 | struct cmd_list_element *setsourcelist; |
172 | ||
173 | struct cmd_list_element *showsourcelist; | |
174 | ||
16026cd7 AS |
175 | /* Command tracing state. */ |
176 | ||
177 | int source_verbose = 0; | |
491144b5 | 178 | bool trace_commands = false; |
d318976c | 179 | \f |
973817a3 JB |
180 | /* 'script-extension' option support. */ |
181 | ||
182 | static const char script_ext_off[] = "off"; | |
183 | static const char script_ext_soft[] = "soft"; | |
184 | static const char script_ext_strict[] = "strict"; | |
185 | ||
40478521 | 186 | static const char *const script_ext_enums[] = { |
973817a3 JB |
187 | script_ext_off, |
188 | script_ext_soft, | |
189 | script_ext_strict, | |
190 | NULL | |
191 | }; | |
192 | ||
193 | static const char *script_ext_mode = script_ext_soft; | |
194 | \f | |
61fb7376 TBA |
195 | |
196 | /* User-controllable flag to suppress event notification on CLI. */ | |
197 | ||
198 | static bool user_wants_cli_suppress_notification = false; | |
199 | ||
d318976c | 200 | /* Utility used everywhere when at least one argument is needed and |
ebcd3b23 | 201 | none is supplied. */ |
d318976c FN |
202 | |
203 | void | |
5b10184c | 204 | error_no_arg (const char *why) |
d318976c | 205 | { |
8a3fe4f8 | 206 | error (_("Argument required (%s)."), why); |
d318976c FN |
207 | } |
208 | ||
4fd6c7e8 TT |
209 | /* This implements the "info" prefix command. Normally such commands |
210 | are automatically handled by add_basic_prefix_cmd, but in this case | |
211 | a separate command is used so that it can be hooked into by | |
212 | gdb-gdb.gdb. */ | |
213 | ||
214 | static void | |
215 | info_command (const char *arg, int from_tty) | |
216 | { | |
217 | help_list (infolist, "info ", all_commands, gdb_stdout); | |
218 | } | |
219 | ||
fdbc9870 PA |
220 | /* See cli/cli-cmds.h. */ |
221 | ||
222 | void | |
223 | with_command_1 (const char *set_cmd_prefix, | |
224 | cmd_list_element *setlist, const char *args, int from_tty) | |
225 | { | |
26c957f1 PA |
226 | if (args == nullptr) |
227 | error (_("Missing arguments.")); | |
228 | ||
fdbc9870 PA |
229 | const char *delim = strstr (args, "--"); |
230 | const char *nested_cmd = nullptr; | |
231 | ||
232 | if (delim == args) | |
233 | error (_("Missing setting before '--' delimiter")); | |
234 | ||
235 | if (delim == nullptr || *skip_spaces (&delim[2]) == '\0') | |
236 | nested_cmd = repeat_previous (); | |
237 | ||
238 | cmd_list_element *set_cmd = lookup_cmd (&args, setlist, set_cmd_prefix, | |
cf00cd6f | 239 | nullptr, |
fdbc9870 PA |
240 | /*allow_unknown=*/ 0, |
241 | /*ignore_help_classes=*/ 1); | |
242 | gdb_assert (set_cmd != nullptr); | |
243 | ||
1d7fe7f0 | 244 | if (!set_cmd->var.has_value ()) |
fdbc9870 PA |
245 | error (_("Cannot use this setting with the \"with\" command")); |
246 | ||
247 | std::string temp_value | |
248 | = (delim == nullptr ? args : std::string (args, delim - args)); | |
249 | ||
250 | if (nested_cmd == nullptr) | |
251 | nested_cmd = skip_spaces (delim + 2); | |
252 | ||
1d7fe7f0 LS |
253 | gdb_assert (set_cmd->var.has_value ()); |
254 | std::string org_value = get_setshow_command_value_string (*set_cmd->var); | |
fdbc9870 PA |
255 | |
256 | /* Tweak the setting to the new temporary value. */ | |
257 | do_set_command (temp_value.c_str (), from_tty, set_cmd); | |
258 | ||
259 | try | |
260 | { | |
261 | scoped_restore save_async = make_scoped_restore (¤t_ui->async, 0); | |
262 | ||
263 | /* Execute the nested command. */ | |
264 | execute_command (nested_cmd, from_tty); | |
265 | } | |
266 | catch (const gdb_exception &ex) | |
267 | { | |
268 | /* Restore the setting and rethrow. If restoring the setting | |
269 | throws, swallow the new exception and warn. There's nothing | |
270 | else we can reasonably do. */ | |
271 | try | |
272 | { | |
273 | do_set_command (org_value.c_str (), from_tty, set_cmd); | |
274 | } | |
275 | catch (const gdb_exception &ex2) | |
276 | { | |
277 | warning (_("Couldn't restore setting: %s"), ex2.what ()); | |
278 | } | |
279 | ||
280 | throw; | |
281 | } | |
282 | ||
283 | /* Restore the setting. */ | |
284 | do_set_command (org_value.c_str (), from_tty, set_cmd); | |
285 | } | |
286 | ||
287 | /* See cli/cli-cmds.h. */ | |
288 | ||
289 | void | |
290 | with_command_completer_1 (const char *set_cmd_prefix, | |
291 | completion_tracker &tracker, | |
292 | const char *text) | |
293 | { | |
294 | tracker.set_use_custom_word_point (true); | |
295 | ||
296 | const char *delim = strstr (text, "--"); | |
297 | ||
298 | /* If we're still not past the "--" delimiter, complete the "with" | |
299 | command as if it was a "set" command. */ | |
300 | if (delim == text | |
301 | || delim == nullptr | |
302 | || !isspace (delim[-1]) | |
303 | || !(isspace (delim[2]) || delim[2] == '\0')) | |
304 | { | |
305 | std::string new_text = std::string (set_cmd_prefix) + text; | |
306 | tracker.advance_custom_word_point_by (-(int) strlen (set_cmd_prefix)); | |
307 | complete_nested_command_line (tracker, new_text.c_str ()); | |
308 | return; | |
309 | } | |
310 | ||
311 | /* We're past the "--" delimiter. Complete on the sub command. */ | |
312 | const char *nested_cmd = skip_spaces (delim + 2); | |
313 | tracker.advance_custom_word_point_by (nested_cmd - text); | |
314 | complete_nested_command_line (tracker, nested_cmd); | |
315 | } | |
316 | ||
317 | /* The "with" command. */ | |
318 | ||
319 | static void | |
320 | with_command (const char *args, int from_tty) | |
321 | { | |
322 | with_command_1 ("set ", setlist, args, from_tty); | |
323 | } | |
324 | ||
325 | /* "with" command completer. */ | |
326 | ||
327 | static void | |
328 | with_command_completer (struct cmd_list_element *ignore, | |
329 | completion_tracker &tracker, | |
330 | const char *text, const char * /*word*/) | |
331 | { | |
332 | with_command_completer_1 ("set ", tracker, text); | |
333 | } | |
334 | ||
cf00cd6f PW |
335 | /* Look up the contents of TEXT as a command usable with default args. |
336 | Throws an error if no such command is found. | |
337 | Return the found command and advances TEXT past the found command. | |
338 | If the found command is a postfix command, set *PREFIX_CMD to its | |
339 | prefix command. */ | |
340 | ||
341 | static struct cmd_list_element * | |
342 | lookup_cmd_for_default_args (const char **text, | |
343 | struct cmd_list_element **prefix_cmd) | |
344 | { | |
345 | const char *orig_text = *text; | |
346 | struct cmd_list_element *lcmd; | |
347 | ||
348 | if (*text == nullptr || skip_spaces (*text) == nullptr) | |
349 | error (_("ALIAS missing.")); | |
350 | ||
351 | /* We first use lookup_cmd to verify TEXT unambiguously identifies | |
352 | a command. */ | |
353 | lcmd = lookup_cmd (text, cmdlist, "", NULL, | |
354 | /*allow_unknown=*/ 0, | |
355 | /*ignore_help_classes=*/ 1); | |
356 | ||
357 | /* Note that we accept default args for prefix commands, | |
358 | as a prefix command can also be a valid usable | |
359 | command accepting some arguments. | |
360 | For example, "thread apply" applies a command to a | |
361 | list of thread ids, and is also the prefix command for | |
362 | thread apply all. */ | |
363 | ||
364 | /* We have an unambiguous command for which default args | |
365 | can be specified. What remains after having found LCMD | |
366 | is either spaces, or the default args character. */ | |
367 | ||
368 | /* We then use lookup_cmd_composition to detect if the user | |
369 | has specified an alias, and find the possible prefix_cmd | |
370 | of cmd. */ | |
371 | struct cmd_list_element *alias, *cmd; | |
372 | lookup_cmd_composition | |
373 | (std::string (orig_text, *text - orig_text).c_str (), | |
374 | &alias, prefix_cmd, &cmd); | |
375 | gdb_assert (cmd != nullptr); | |
376 | gdb_assert (cmd == lcmd); | |
377 | if (alias != nullptr) | |
378 | cmd = alias; | |
379 | ||
380 | return cmd; | |
381 | } | |
382 | ||
d318976c FN |
383 | /* Provide documentation on command or list given by COMMAND. FROM_TTY |
384 | is ignored. */ | |
385 | ||
d318976c | 386 | static void |
0b39b52e | 387 | help_command (const char *command, int from_tty) |
d318976c FN |
388 | { |
389 | help_cmd (command, gdb_stdout); | |
390 | } | |
391 | \f | |
eb3ff9a5 | 392 | |
ef0b411a GB |
393 | /* Note: The "complete" command is used by Emacs to implement completion. |
394 | [Is that why this function writes output with *_unfiltered?] */ | |
d318976c | 395 | |
d318976c | 396 | static void |
0b39b52e | 397 | complete_command (const char *arg, int from_tty) |
d318976c | 398 | { |
d318976c FN |
399 | dont_repeat (); |
400 | ||
ef0b411a GB |
401 | if (max_completions == 0) |
402 | { | |
403 | /* Only print this for non-mi frontends. An MI frontend may not | |
404 | be able to handle this. */ | |
112e8700 | 405 | if (!current_uiout->is_mi_like_p ()) |
ef0b411a GB |
406 | { |
407 | printf_unfiltered (_("max-completions is zero," | |
408 | " completion is disabled.\n")); | |
409 | } | |
410 | return; | |
411 | } | |
412 | ||
d318976c FN |
413 | if (arg == NULL) |
414 | arg = ""; | |
d9b52655 | 415 | |
6a2c1b87 PA |
416 | int quote_char = '\0'; |
417 | const char *word; | |
418 | ||
6e035501 | 419 | completion_result result = complete (arg, &word, "e_char); |
eb3ff9a5 | 420 | |
eb3ff9a5 PA |
421 | if (result.number_matches != 0) |
422 | { | |
fb7806c7 TV |
423 | std::string arg_prefix (arg, word - arg); |
424 | ||
eb3ff9a5 PA |
425 | if (result.number_matches == 1) |
426 | printf_unfiltered ("%s%s\n", arg_prefix.c_str (), result.match_list[0]); | |
427 | else | |
83d31a92 | 428 | { |
eb3ff9a5 PA |
429 | result.sort_match_list (); |
430 | ||
431 | for (size_t i = 0; i < result.number_matches; i++) | |
83d31a92 | 432 | { |
eb3ff9a5 PA |
433 | printf_unfiltered ("%s%s", |
434 | arg_prefix.c_str (), | |
435 | result.match_list[i + 1]); | |
6a2c1b87 PA |
436 | if (quote_char) |
437 | printf_unfiltered ("%c", quote_char); | |
eb3ff9a5 | 438 | printf_unfiltered ("\n"); |
83d31a92 | 439 | } |
83d31a92 TT |
440 | } |
441 | ||
eb3ff9a5 | 442 | if (result.number_matches == max_completions) |
ef0b411a | 443 | { |
6a2c1b87 | 444 | /* ARG_PREFIX and WORD are included in the output so that emacs |
ef0b411a GB |
445 | will include the message in the output. */ |
446 | printf_unfiltered (_("%s%s %s\n"), | |
6a2c1b87 | 447 | arg_prefix.c_str (), word, |
ef0b411a GB |
448 | get_max_completions_reached_message ()); |
449 | } | |
d318976c FN |
450 | } |
451 | } | |
452 | ||
bbaca940 AC |
453 | int |
454 | is_complete_command (struct cmd_list_element *c) | |
d318976c | 455 | { |
3a553c80 | 456 | return cmd_simple_func_eq (c, complete_command); |
d318976c FN |
457 | } |
458 | ||
d318976c | 459 | static void |
dede02ce | 460 | show_version (const char *args, int from_tty) |
d318976c | 461 | { |
c61b06a1 | 462 | print_gdb_version (gdb_stdout, true); |
6cb06a8c | 463 | gdb_printf ("\n"); |
d318976c FN |
464 | } |
465 | ||
6eaaf48b | 466 | static void |
dede02ce | 467 | show_configuration (const char *args, int from_tty) |
6eaaf48b EZ |
468 | { |
469 | print_gdb_configuration (gdb_stdout); | |
470 | } | |
471 | ||
d318976c FN |
472 | /* Handle the quit command. */ |
473 | ||
474 | void | |
0b39b52e | 475 | quit_command (const char *args, int from_tty) |
d318976c | 476 | { |
36cf1806 TT |
477 | int exit_code = 0; |
478 | ||
479 | /* An optional expression may be used to cause gdb to terminate with | |
480 | the value of that expression. */ | |
481 | if (args) | |
482 | { | |
483 | struct value *val = parse_and_eval (args); | |
484 | ||
485 | exit_code = (int) value_as_long (val); | |
486 | } | |
487 | ||
d318976c | 488 | if (!quit_confirm ()) |
8a3fe4f8 | 489 | error (_("Not confirmed.")); |
d5551862 | 490 | |
be6a2dca TV |
491 | try |
492 | { | |
493 | query_if_trace_running (from_tty); | |
494 | } | |
495 | catch (const gdb_exception_error &ex) | |
496 | { | |
497 | if (ex.error == TARGET_CLOSE_ERROR) | |
498 | /* We don't care about this since we're quitting anyway, so keep | |
499 | quitting. */ | |
500 | exception_print (gdb_stderr, ex); | |
501 | else | |
502 | /* Rethrow, to properly handle error (_("Not confirmed.")). */ | |
503 | throw; | |
504 | } | |
d5551862 | 505 | |
36cf1806 | 506 | quit_force (args ? &exit_code : NULL, from_tty); |
d318976c FN |
507 | } |
508 | ||
d318976c | 509 | static void |
0b39b52e | 510 | pwd_command (const char *args, int from_tty) |
d318976c FN |
511 | { |
512 | if (args) | |
8a3fe4f8 | 513 | error (_("The \"pwd\" command does not take an argument: %s"), args); |
43573013 SDJ |
514 | |
515 | gdb::unique_xmalloc_ptr<char> cwd (getcwd (NULL, 0)); | |
516 | ||
517 | if (cwd == NULL) | |
bf1d7d9c | 518 | error (_("Error finding name of working directory: %s"), |
dda83cd7 | 519 | safe_strerror (errno)); |
d318976c | 520 | |
43573013 | 521 | if (strcmp (cwd.get (), current_directory) != 0) |
6cb06a8c TT |
522 | gdb_printf (_("Working directory %ps\n (canonically %ps).\n"), |
523 | styled_string (file_name_style.style (), | |
524 | current_directory), | |
525 | styled_string (file_name_style.style (), cwd.get ())); | |
d318976c | 526 | else |
6cb06a8c TT |
527 | gdb_printf (_("Working directory %ps.\n"), |
528 | styled_string (file_name_style.style (), | |
529 | current_directory)); | |
d318976c FN |
530 | } |
531 | ||
532 | void | |
5e93d4c6 | 533 | cd_command (const char *dir, int from_tty) |
d318976c FN |
534 | { |
535 | int len; | |
536 | /* Found something other than leading repetitions of "/..". */ | |
537 | int found_real_path; | |
538 | char *p; | |
539 | ||
540 | /* If the new directory is absolute, repeat is a no-op; if relative, | |
541 | repeat might be useful but is more likely to be a mistake. */ | |
542 | dont_repeat (); | |
543 | ||
6eecf35f TT |
544 | gdb::unique_xmalloc_ptr<char> dir_holder |
545 | (tilde_expand (dir != NULL ? dir : "~")); | |
546 | dir = dir_holder.get (); | |
d318976c FN |
547 | |
548 | if (chdir (dir) < 0) | |
549 | perror_with_name (dir); | |
550 | ||
c3690141 | 551 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
d318976c FN |
552 | /* There's too much mess with DOSish names like "d:", "d:.", |
553 | "d:./foo" etc. Instead of having lots of special #ifdef'ed code, | |
554 | simply get the canonicalized name of the current directory. */ | |
43573013 SDJ |
555 | gdb::unique_xmalloc_ptr<char> cwd (getcwd (NULL, 0)); |
556 | dir = cwd.get (); | |
d318976c FN |
557 | #endif |
558 | ||
559 | len = strlen (dir); | |
fe4e3eb8 | 560 | if (IS_DIR_SEPARATOR (dir[len - 1])) |
d318976c FN |
561 | { |
562 | /* Remove the trailing slash unless this is a root directory | |
dda83cd7 | 563 | (including a drive letter on non-Unix systems). */ |
d318976c | 564 | if (!(len == 1) /* "/" */ |
c3690141 | 565 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
fe4e3eb8 | 566 | && !(len == 3 && dir[1] == ':') /* "d:/" */ |
d318976c FN |
567 | #endif |
568 | ) | |
569 | len--; | |
570 | } | |
571 | ||
6eecf35f TT |
572 | dir_holder.reset (savestring (dir, len)); |
573 | if (IS_ABSOLUTE_PATH (dir_holder.get ())) | |
43573013 SDJ |
574 | { |
575 | xfree (current_directory); | |
576 | current_directory = dir_holder.release (); | |
577 | } | |
d318976c FN |
578 | else |
579 | { | |
fe4e3eb8 | 580 | if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1])) |
6eecf35f TT |
581 | current_directory = concat (current_directory, dir_holder.get (), |
582 | (char *) NULL); | |
d318976c | 583 | else |
1754f103 | 584 | current_directory = concat (current_directory, SLASH_STRING, |
6eecf35f | 585 | dir_holder.get (), (char *) NULL); |
d318976c FN |
586 | } |
587 | ||
588 | /* Now simplify any occurrences of `.' and `..' in the pathname. */ | |
589 | ||
590 | found_real_path = 0; | |
591 | for (p = current_directory; *p;) | |
592 | { | |
fe4e3eb8 EZ |
593 | if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' |
594 | && (p[2] == 0 || IS_DIR_SEPARATOR (p[2]))) | |
b2a3b509 | 595 | memmove (p, p + 2, strlen (p + 2) + 1); |
fe4e3eb8 EZ |
596 | else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.' |
597 | && (p[3] == 0 || IS_DIR_SEPARATOR (p[3]))) | |
d318976c FN |
598 | { |
599 | if (found_real_path) | |
600 | { | |
601 | /* Search backwards for the directory just before the "/.." | |
dda83cd7 | 602 | and obliterate it and the "/..". */ |
d318976c | 603 | char *q = p; |
cdb27c12 | 604 | |
fe4e3eb8 | 605 | while (q != current_directory && !IS_DIR_SEPARATOR (q[-1])) |
d318976c FN |
606 | --q; |
607 | ||
608 | if (q == current_directory) | |
609 | /* current_directory is | |
610 | a relative pathname ("can't happen"--leave it alone). */ | |
611 | ++p; | |
612 | else | |
613 | { | |
b2a3b509 | 614 | memmove (q - 1, p + 3, strlen (p + 3) + 1); |
d318976c FN |
615 | p = q - 1; |
616 | } | |
617 | } | |
618 | else | |
ebcd3b23 MS |
619 | /* We are dealing with leading repetitions of "/..", for |
620 | example "/../..", which is the Mach super-root. */ | |
d318976c FN |
621 | p += 3; |
622 | } | |
623 | else | |
624 | { | |
625 | found_real_path = 1; | |
626 | ++p; | |
627 | } | |
628 | } | |
629 | ||
630 | forget_cached_source_info (); | |
631 | ||
632 | if (from_tty) | |
633 | pwd_command ((char *) 0, 1); | |
634 | } | |
635 | \f | |
973817a3 JB |
636 | /* Show the current value of the 'script-extension' option. */ |
637 | ||
638 | static void | |
639 | show_script_ext_mode (struct ui_file *file, int from_tty, | |
640 | struct cmd_list_element *c, const char *value) | |
d318976c | 641 | { |
6cb06a8c TT |
642 | gdb_printf (file, |
643 | _("Script filename extension recognition is \"%s\".\n"), | |
644 | value); | |
973817a3 JB |
645 | } |
646 | ||
3f7b2faa DE |
647 | /* Try to open SCRIPT_FILE. |
648 | If successful, the full path name is stored in *FULL_PATHP, | |
ed166945 TT |
649 | and the stream is returned. |
650 | If not successful, return NULL; errno is set for the last file | |
3f7b2faa DE |
651 | we tried to open. |
652 | ||
653 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
f5b95b50 | 654 | search for it in the source search path. */ |
3f7b2faa | 655 | |
ed166945 TT |
656 | gdb::optional<open_script> |
657 | find_and_open_script (const char *script_file, int search_path) | |
973817a3 | 658 | { |
4b505b12 | 659 | int fd; |
24b9144d | 660 | openp_flags search_flags = OPF_TRY_CWD_FIRST | OPF_RETURN_REALPATH; |
ed166945 | 661 | gdb::optional<open_script> opened; |
d318976c | 662 | |
ee0c3293 | 663 | gdb::unique_xmalloc_ptr<char> file (tilde_expand (script_file)); |
d318976c | 664 | |
3f7b2faa DE |
665 | if (search_path) |
666 | search_flags |= OPF_SEARCH_IN_PATH; | |
4b505b12 | 667 | |
3f7b2faa DE |
668 | /* Search for and open 'file' on the search path used for source |
669 | files. Put the full location in *FULL_PATHP. */ | |
e0cc99a6 | 670 | gdb::unique_xmalloc_ptr<char> full_path; |
e0700ba4 | 671 | fd = openp (source_path.c_str (), search_flags, |
e0cc99a6 | 672 | file.get (), O_RDONLY, &full_path); |
4b505b12 AS |
673 | |
674 | if (fd == -1) | |
ee0c3293 | 675 | return opened; |
973817a3 | 676 | |
ed166945 TT |
677 | FILE *result = fdopen (fd, FOPEN_RT); |
678 | if (result == NULL) | |
77a35dd8 JK |
679 | { |
680 | int save_errno = errno; | |
681 | ||
682 | close (fd); | |
77a35dd8 | 683 | errno = save_errno; |
77a35dd8 | 684 | } |
ed166945 TT |
685 | else |
686 | opened.emplace (gdb_file_up (result), std::move (full_path)); | |
77a35dd8 | 687 | |
ed166945 | 688 | return opened; |
973817a3 JB |
689 | } |
690 | ||
1a70ae97 DE |
691 | /* Load script FILE, which has already been opened as STREAM. |
692 | FILE_TO_OPEN is the form of FILE to use if one needs to open the file. | |
693 | This is provided as FILE may have been found via the source search path. | |
694 | An important thing to note here is that FILE may be a symlink to a file | |
695 | with a different or non-existing suffix, and thus one cannot infer the | |
696 | extension language from FILE_TO_OPEN. */ | |
973817a3 | 697 | |
3f7b2faa | 698 | static void |
1a70ae97 DE |
699 | source_script_from_stream (FILE *stream, const char *file, |
700 | const char *file_to_open) | |
3f7b2faa | 701 | { |
6dddc817 | 702 | if (script_ext_mode != script_ext_off) |
973817a3 | 703 | { |
6dddc817 DE |
704 | const struct extension_language_defn *extlang |
705 | = get_ext_lang_of_file (file); | |
706 | ||
707 | if (extlang != NULL) | |
973817a3 | 708 | { |
6dddc817 DE |
709 | if (ext_lang_present_p (extlang)) |
710 | { | |
711 | script_sourcer_func *sourcer | |
712 | = ext_lang_script_sourcer (extlang); | |
713 | ||
714 | gdb_assert (sourcer != NULL); | |
1a70ae97 | 715 | sourcer (extlang, stream, file_to_open); |
6dddc817 DE |
716 | return; |
717 | } | |
718 | else if (script_ext_mode == script_ext_soft) | |
719 | { | |
720 | /* Assume the file is a gdb script. | |
721 | This is handled below. */ | |
722 | } | |
723 | else | |
724 | throw_ext_lang_unsupported (extlang); | |
973817a3 JB |
725 | } |
726 | } | |
6dddc817 DE |
727 | |
728 | script_from_file (stream, file); | |
3f7b2faa | 729 | } |
d318976c | 730 | |
3f7b2faa DE |
731 | /* Worker to perform the "source" command. |
732 | Load script FILE. | |
733 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
734 | search for it in the source search path. */ | |
735 | ||
736 | static void | |
737 | source_script_with_search (const char *file, int from_tty, int search_path) | |
738 | { | |
3f7b2faa DE |
739 | |
740 | if (file == NULL || *file == 0) | |
741 | error (_("source command requires file name of file to source.")); | |
742 | ||
ed166945 TT |
743 | gdb::optional<open_script> opened = find_and_open_script (file, search_path); |
744 | if (!opened) | |
3f7b2faa | 745 | { |
d234ef5c | 746 | /* The script wasn't found, or was otherwise inaccessible. |
dda83cd7 | 747 | If the source command was invoked interactively, throw an |
ebcd3b23 | 748 | error. Otherwise (e.g. if it was invoked by a script), |
7c647d61 | 749 | just emit a warning, rather than cause an error. */ |
3f7b2faa DE |
750 | if (from_tty) |
751 | perror_with_name (file); | |
752 | else | |
7c647d61 JB |
753 | { |
754 | perror_warning_with_name (file); | |
755 | return; | |
756 | } | |
3f7b2faa DE |
757 | } |
758 | ||
d234ef5c DE |
759 | /* The python support reopens the file, so we need to pass full_path here |
760 | in case the file was found on the search path. It's useful to do this | |
761 | anyway so that error messages show the actual file used. But only do | |
762 | this if we (may have) used search_path, as printing the full path in | |
763 | errors for the non-search case can be more noise than signal. */ | |
1845e254 | 764 | const char *file_to_open; |
e0c34637 | 765 | std::string tilde_expanded_file; |
1845e254 AB |
766 | if (search_path) |
767 | file_to_open = opened->full_path.get (); | |
768 | else | |
769 | { | |
e0c34637 SM |
770 | tilde_expanded_file = gdb_tilde_expand (file); |
771 | file_to_open = tilde_expanded_file.c_str (); | |
1845e254 AB |
772 | } |
773 | source_script_from_stream (opened->stream.get (), file, file_to_open); | |
d318976c FN |
774 | } |
775 | ||
3f7b2faa DE |
776 | /* Wrapper around source_script_with_search to export it to main.c |
777 | for use in loading .gdbinit scripts. */ | |
778 | ||
779 | void | |
50dd9793 | 780 | source_script (const char *file, int from_tty) |
3f7b2faa DE |
781 | { |
782 | source_script_with_search (file, from_tty, 0); | |
783 | } | |
784 | ||
16026cd7 | 785 | static void |
dede02ce | 786 | source_command (const char *args, int from_tty) |
16026cd7 | 787 | { |
dede02ce | 788 | const char *file = args; |
3f7b2faa | 789 | int search_path = 0; |
16026cd7 | 790 | |
2ec845e7 | 791 | scoped_restore save_source_verbose = make_scoped_restore (&source_verbose); |
16026cd7 AS |
792 | |
793 | /* -v causes the source command to run in verbose mode. | |
3f7b2faa DE |
794 | -s causes the file to be searched in the source search path, |
795 | even if the file name contains a '/'. | |
16026cd7 AS |
796 | We still have to be able to handle filenames with spaces in a |
797 | backward compatible way, so buildargv is not appropriate. */ | |
798 | ||
799 | if (args) | |
800 | { | |
3f7b2faa | 801 | while (args[0] != '\0') |
16026cd7 | 802 | { |
ebcd3b23 MS |
803 | /* Make sure leading white space does not break the |
804 | comparisons. */ | |
529480d0 | 805 | args = skip_spaces (args); |
3f7b2faa DE |
806 | |
807 | if (args[0] != '-') | |
808 | break; | |
809 | ||
810 | if (args[1] == 'v' && isspace (args[2])) | |
811 | { | |
812 | source_verbose = 1; | |
813 | ||
814 | /* Skip passed -v. */ | |
815 | args = &args[3]; | |
816 | } | |
817 | else if (args[1] == 's' && isspace (args[2])) | |
818 | { | |
819 | search_path = 1; | |
16026cd7 | 820 | |
3f7b2faa DE |
821 | /* Skip passed -s. */ |
822 | args = &args[3]; | |
823 | } | |
824 | else | |
825 | break; | |
16026cd7 | 826 | } |
3f7b2faa | 827 | |
529480d0 | 828 | file = skip_spaces (args); |
16026cd7 AS |
829 | } |
830 | ||
3f7b2faa | 831 | source_script_with_search (file, from_tty, search_path); |
16026cd7 AS |
832 | } |
833 | ||
834 | ||
d318976c | 835 | static void |
0b39b52e | 836 | echo_command (const char *text, int from_tty) |
d318976c | 837 | { |
d7561cbb | 838 | const char *p = text; |
d5b5ac79 | 839 | int c; |
d318976c FN |
840 | |
841 | if (text) | |
842 | while ((c = *p++) != '\0') | |
843 | { | |
844 | if (c == '\\') | |
845 | { | |
846 | /* \ at end of argument is used after spaces | |
847 | so they won't be lost. */ | |
848 | if (*p == 0) | |
849 | return; | |
850 | ||
f870a310 | 851 | c = parse_escape (get_current_arch (), &p); |
d318976c | 852 | if (c >= 0) |
6cb06a8c | 853 | gdb_printf ("%c", c); |
d318976c FN |
854 | } |
855 | else | |
6cb06a8c | 856 | gdb_printf ("%c", c); |
d318976c FN |
857 | } |
858 | ||
3cd52293 | 859 | gdb_stdout->reset_style (); |
ef1dfa36 | 860 | |
d318976c | 861 | /* Force this output to appear now. */ |
d318976c FN |
862 | gdb_flush (gdb_stdout); |
863 | } | |
864 | ||
947d3946 PW |
865 | /* Sets the last launched shell command convenience variables based on |
866 | EXIT_STATUS. */ | |
867 | ||
868 | static void | |
869 | exit_status_set_internal_vars (int exit_status) | |
870 | { | |
871 | struct internalvar *var_code = lookup_internalvar ("_shell_exitcode"); | |
872 | struct internalvar *var_signal = lookup_internalvar ("_shell_exitsignal"); | |
873 | ||
874 | clear_internalvar (var_code); | |
875 | clear_internalvar (var_signal); | |
876 | if (WIFEXITED (exit_status)) | |
877 | set_internalvar_integer (var_code, WEXITSTATUS (exit_status)); | |
559e7e50 EZ |
878 | #ifdef __MINGW32__ |
879 | else if (WIFSIGNALED (exit_status) && WTERMSIG (exit_status) == -1) | |
880 | { | |
881 | /* The -1 condition can happen on MinGW, if we don't recognize | |
882 | the fatal exception code encoded in the exit status; see | |
883 | gdbsupport/gdb_wait.c. We don't want to lose information in | |
884 | the exit status in that case. Record it as a normal exit | |
885 | with the full exit status, including the higher 0xC0000000 | |
886 | bits. */ | |
887 | set_internalvar_integer (var_code, exit_status); | |
888 | } | |
889 | #endif | |
947d3946 PW |
890 | else if (WIFSIGNALED (exit_status)) |
891 | set_internalvar_integer (var_signal, WTERMSIG (exit_status)); | |
892 | else | |
422186a9 | 893 | warning (_("unexpected shell command exit status %d"), exit_status); |
947d3946 PW |
894 | } |
895 | ||
d318976c | 896 | static void |
be47f9e8 | 897 | shell_escape (const char *arg, int from_tty) |
d318976c | 898 | { |
9b265ec2 MM |
899 | #if defined(CANT_FORK) || \ |
900 | (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK)) | |
d318976c FN |
901 | /* If ARG is NULL, they want an inferior shell, but `system' just |
902 | reports if the shell is available when passed a NULL arg. */ | |
903 | int rc = system (arg ? arg : ""); | |
904 | ||
905 | if (!arg) | |
906 | arg = "inferior shell"; | |
907 | ||
908 | if (rc == -1) | |
6cb06a8c TT |
909 | gdb_printf (gdb_stderr, "Cannot execute %s: %s\n", arg, |
910 | safe_strerror (errno)); | |
d318976c | 911 | else if (rc) |
6cb06a8c | 912 | gdb_printf (gdb_stderr, "%s exited with status %d\n", arg, rc); |
2584159e | 913 | #ifdef GLOBAL_CURDIR |
ebcd3b23 MS |
914 | /* Make sure to return to the directory GDB thinks it is, in case |
915 | the shell command we just ran changed it. */ | |
d318976c FN |
916 | chdir (current_directory); |
917 | #endif | |
c17ace43 | 918 | exit_status_set_internal_vars (rc); |
d318976c | 919 | #else /* Can fork. */ |
5be4dfca | 920 | int status, pid; |
d318976c | 921 | |
325ed089 | 922 | if ((pid = vfork ()) == 0) |
d318976c | 923 | { |
974e6844 | 924 | const char *p, *user_shell = get_shell (); |
30e94205 | 925 | |
614c279d TT |
926 | close_most_fds (); |
927 | ||
ebcd3b23 | 928 | /* Get the name of the shell for arg0. */ |
9f37bbcc | 929 | p = lbasename (user_shell); |
30e94205 | 930 | |
d318976c | 931 | if (!arg) |
36662fde | 932 | execl (user_shell, p, (char *) 0); |
d318976c | 933 | else |
36662fde | 934 | execl (user_shell, p, "-c", arg, (char *) 0); |
d318976c | 935 | |
6cb06a8c TT |
936 | gdb_printf (gdb_stderr, "Cannot execute %s: %s\n", user_shell, |
937 | safe_strerror (errno)); | |
d318976c FN |
938 | _exit (0177); |
939 | } | |
940 | ||
941 | if (pid != -1) | |
5be4dfca | 942 | waitpid (pid, &status, 0); |
d318976c | 943 | else |
8a3fe4f8 | 944 | error (_("Fork failed")); |
947d3946 | 945 | exit_status_set_internal_vars (status); |
d318976c FN |
946 | #endif /* Can fork. */ |
947 | } | |
948 | ||
be47f9e8 PA |
949 | /* Implementation of the "shell" command. */ |
950 | ||
951 | static void | |
0b39b52e | 952 | shell_command (const char *arg, int from_tty) |
be47f9e8 PA |
953 | { |
954 | shell_escape (arg, from_tty); | |
955 | } | |
956 | ||
0378c332 | 957 | static void |
0b39b52e | 958 | edit_command (const char *arg, int from_tty) |
0378c332 | 959 | { |
0378c332 FN |
960 | struct symtab_and_line sal; |
961 | struct symbol *sym; | |
a121b7c1 | 962 | const char *editor; |
0b0865da | 963 | const char *fn; |
0378c332 | 964 | |
d5529a84 | 965 | /* Pull in the current default source line if necessary. */ |
0378c332 | 966 | if (arg == 0) |
53cb0458 FN |
967 | { |
968 | set_default_source_symtab_and_line (); | |
969 | sal = get_current_source_symtab_and_line (); | |
970 | } | |
0378c332 | 971 | |
ebcd3b23 | 972 | /* Bare "edit" edits file with present line. */ |
0378c332 FN |
973 | |
974 | if (arg == 0) | |
975 | { | |
976 | if (sal.symtab == 0) | |
8a3fe4f8 | 977 | error (_("No default source file yet.")); |
0378c332 FN |
978 | sal.line += get_lines_to_list () / 2; |
979 | } | |
980 | else | |
981 | { | |
f2fc3015 | 982 | const char *arg1; |
0378c332 | 983 | |
f00aae0f | 984 | /* Now should only be one argument -- decode it in SAL. */ |
0378c332 | 985 | arg1 = arg; |
264f9890 PA |
986 | location_spec_up locspec = string_to_location_spec (&arg1, |
987 | current_language); | |
82d0a72c AB |
988 | |
989 | if (*arg1) | |
990 | error (_("Junk at end of line specification.")); | |
991 | ||
264f9890 | 992 | std::vector<symtab_and_line> sals = decode_line_1 (locspec.get (), |
6c5b2ebe PA |
993 | DECODE_LINE_LIST_MODE, |
994 | NULL, NULL, 0); | |
0378c332 | 995 | |
6c5b2ebe PA |
996 | filter_sals (sals); |
997 | if (sals.empty ()) | |
d5529a84 TT |
998 | { |
999 | /* C++ */ | |
1000 | return; | |
1001 | } | |
6c5b2ebe | 1002 | if (sals.size () > 1) |
d5529a84 | 1003 | { |
6c5b2ebe | 1004 | ambiguous_line_spec (sals, |
e439fa14 | 1005 | _("Specified line is ambiguous:\n")); |
d5529a84 TT |
1006 | return; |
1007 | } | |
0378c332 | 1008 | |
6c5b2ebe | 1009 | sal = sals[0]; |
0378c332 | 1010 | |
ebcd3b23 | 1011 | /* If line was specified by address, first print exactly which |
dda83cd7 SM |
1012 | line, and which file. In this case, sal.symtab == 0 means |
1013 | address is outside of all known source files, not that user | |
1014 | failed to give a filename. */ | |
0378c332 | 1015 | if (*arg == '*') |
dda83cd7 | 1016 | { |
5af949e3 | 1017 | struct gdbarch *gdbarch; |
cdb27c12 | 1018 | |
dda83cd7 | 1019 | if (sal.symtab == 0) |
8a3fe4f8 | 1020 | error (_("No source file for address %s."), |
2b69941d | 1021 | paddress (get_current_arch (), sal.pc)); |
5af949e3 | 1022 | |
3c86fae3 | 1023 | gdbarch = sal.symtab->compunit ()->objfile ()->arch (); |
dda83cd7 SM |
1024 | sym = find_pc_function (sal.pc); |
1025 | if (sym) | |
6cb06a8c TT |
1026 | gdb_printf ("%s is in %s (%s:%d).\n", |
1027 | paddress (gdbarch, sal.pc), | |
1028 | sym->print_name (), | |
1029 | symtab_to_filename_for_display (sal.symtab), | |
1030 | sal.line); | |
dda83cd7 | 1031 | else |
6cb06a8c TT |
1032 | gdb_printf ("%s is at %s:%d.\n", |
1033 | paddress (gdbarch, sal.pc), | |
1034 | symtab_to_filename_for_display (sal.symtab), | |
1035 | sal.line); | |
dda83cd7 | 1036 | } |
0378c332 | 1037 | |
ebcd3b23 | 1038 | /* If what was given does not imply a symtab, it must be an |
dda83cd7 | 1039 | undebuggable symbol which means no source code. */ |
0378c332 FN |
1040 | |
1041 | if (sal.symtab == 0) | |
dda83cd7 | 1042 | error (_("No line number known for %s."), arg); |
0378c332 FN |
1043 | } |
1044 | ||
081bca4d TT |
1045 | if ((editor = getenv ("EDITOR")) == NULL) |
1046 | editor = "/bin/ex"; | |
a955ca71 | 1047 | |
f35a17b5 | 1048 | fn = symtab_to_fullname (sal.symtab); |
0378c332 | 1049 | |
a955ca71 EZ |
1050 | /* Quote the file name, in case it has whitespace or other special |
1051 | characters. */ | |
8579fd13 AB |
1052 | gdb::unique_xmalloc_ptr<char> p |
1053 | = xstrprintf ("%s +%d \"%s\"", editor, sal.line, fn); | |
1054 | shell_escape (p.get (), from_tty); | |
0378c332 FN |
1055 | } |
1056 | ||
5f4ba3e7 PA |
1057 | /* The options for the "pipe" command. */ |
1058 | ||
1059 | struct pipe_cmd_opts | |
1060 | { | |
1061 | /* For "-d". */ | |
e0700ba4 | 1062 | std::string delimiter; |
5f4ba3e7 PA |
1063 | }; |
1064 | ||
1065 | static const gdb::option::option_def pipe_cmd_option_defs[] = { | |
1066 | ||
1067 | gdb::option::string_option_def<pipe_cmd_opts> { | |
1068 | "d", | |
1069 | [] (pipe_cmd_opts *opts) { return &opts->delimiter; }, | |
1070 | nullptr, | |
1071 | N_("Indicates to use the specified delimiter string to separate\n\ | |
1072 | COMMAND from SHELL_COMMAND, in alternative to |. This is useful in\n\ | |
1073 | case COMMAND contains a | character."), | |
1074 | }, | |
1075 | ||
1076 | }; | |
1077 | ||
1078 | /* Create an option_def_group for the "pipe" command's options, with | |
1079 | OPTS as context. */ | |
1080 | ||
1081 | static inline gdb::option::option_def_group | |
1082 | make_pipe_cmd_options_def_group (pipe_cmd_opts *opts) | |
1083 | { | |
1084 | return {{pipe_cmd_option_defs}, opts}; | |
1085 | } | |
1086 | ||
947d3946 PW |
1087 | /* Implementation of the "pipe" command. */ |
1088 | ||
1089 | static void | |
1090 | pipe_command (const char *arg, int from_tty) | |
1091 | { | |
5f4ba3e7 | 1092 | pipe_cmd_opts opts; |
947d3946 | 1093 | |
5f4ba3e7 PA |
1094 | auto grp = make_pipe_cmd_options_def_group (&opts); |
1095 | gdb::option::process_options | |
1096 | (&arg, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_OPERAND, grp); | |
1097 | ||
1098 | const char *delim = "|"; | |
e0700ba4 SM |
1099 | if (!opts.delimiter.empty ()) |
1100 | delim = opts.delimiter.c_str (); | |
947d3946 PW |
1101 | |
1102 | const char *command = arg; | |
1103 | if (command == nullptr) | |
1104 | error (_("Missing COMMAND")); | |
1105 | ||
5f4ba3e7 | 1106 | arg = strstr (arg, delim); |
947d3946 PW |
1107 | |
1108 | if (arg == nullptr) | |
1109 | error (_("Missing delimiter before SHELL_COMMAND")); | |
1110 | ||
1111 | std::string gdb_cmd (command, arg - command); | |
1112 | ||
5f4ba3e7 | 1113 | arg += strlen (delim); /* Skip the delimiter. */ |
947d3946 PW |
1114 | |
1115 | if (gdb_cmd.empty ()) | |
fdbc9870 | 1116 | gdb_cmd = repeat_previous (); |
947d3946 PW |
1117 | |
1118 | const char *shell_command = skip_spaces (arg); | |
1119 | if (*shell_command == '\0') | |
1120 | error (_("Missing SHELL_COMMAND")); | |
1121 | ||
1122 | FILE *to_shell_command = popen (shell_command, "w"); | |
1123 | ||
1124 | if (to_shell_command == nullptr) | |
1125 | error (_("Error launching \"%s\""), shell_command); | |
1126 | ||
1127 | try | |
1128 | { | |
1129 | stdio_file pipe_file (to_shell_command); | |
1130 | ||
1131 | execute_command_to_ui_file (&pipe_file, gdb_cmd.c_str (), from_tty); | |
1132 | } | |
1133 | catch (...) | |
1134 | { | |
1135 | pclose (to_shell_command); | |
1136 | throw; | |
1137 | } | |
1138 | ||
1139 | int exit_status = pclose (to_shell_command); | |
1140 | ||
1141 | if (exit_status < 0) | |
1142 | error (_("shell command \"%s\" failed: %s"), shell_command, | |
dda83cd7 | 1143 | safe_strerror (errno)); |
947d3946 PW |
1144 | exit_status_set_internal_vars (exit_status); |
1145 | } | |
1146 | ||
5f4ba3e7 PA |
1147 | /* Completer for the pipe command. */ |
1148 | ||
1149 | static void | |
1150 | pipe_command_completer (struct cmd_list_element *ignore, | |
1151 | completion_tracker &tracker, | |
1152 | const char *text, const char *word_ignored) | |
1153 | { | |
1154 | pipe_cmd_opts opts; | |
1155 | ||
1156 | const char *org_text = text; | |
1157 | auto grp = make_pipe_cmd_options_def_group (&opts); | |
1158 | if (gdb::option::complete_options | |
1159 | (tracker, &text, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_OPERAND, grp)) | |
1160 | return; | |
1161 | ||
1162 | const char *delimiter = "|"; | |
e0700ba4 SM |
1163 | if (!opts.delimiter.empty ()) |
1164 | delimiter = opts.delimiter.c_str (); | |
5f4ba3e7 PA |
1165 | |
1166 | /* Check if we're past option values already. */ | |
1167 | if (text > org_text && !isspace (text[-1])) | |
1168 | return; | |
1169 | ||
1170 | const char *delim = strstr (text, delimiter); | |
1171 | ||
1172 | /* If we're still not past the delimiter, complete the gdb | |
1173 | command. */ | |
1174 | if (delim == nullptr || delim == text) | |
1175 | { | |
1176 | complete_nested_command_line (tracker, text); | |
1177 | return; | |
1178 | } | |
1179 | ||
1180 | /* We're past the delimiter. What follows is a shell command, which | |
1181 | we don't know how to complete. */ | |
1182 | } | |
1183 | ||
0378c332 | 1184 | static void |
0b39b52e | 1185 | list_command (const char *arg, int from_tty) |
0378c332 | 1186 | { |
0378c332 | 1187 | struct symbol *sym; |
f2fc3015 | 1188 | const char *arg1; |
0378c332 FN |
1189 | int no_end = 1; |
1190 | int dummy_end = 0; | |
1191 | int dummy_beg = 0; | |
1192 | int linenum_beg = 0; | |
0b39b52e | 1193 | const char *p; |
0378c332 | 1194 | |
ebcd3b23 | 1195 | /* Pull in the current default source line if necessary. */ |
a0def019 | 1196 | if (arg == NULL || ((arg[0] == '+' || arg[0] == '-') && arg[1] == '\0')) |
53cb0458 FN |
1197 | { |
1198 | set_default_source_symtab_and_line (); | |
51abb421 | 1199 | symtab_and_line cursal = get_current_source_symtab_and_line (); |
5166082f PA |
1200 | |
1201 | /* If this is the first "list" since we've set the current | |
1202 | source line, center the listing around that line. */ | |
1203 | if (get_first_line_listed () == 0) | |
1204 | { | |
1205 | int first; | |
1206 | ||
325fac50 | 1207 | first = std::max (cursal.line - get_lines_to_list () / 2, 1); |
5166082f PA |
1208 | |
1209 | /* A small special case --- if listing backwards, and we | |
1210 | should list only one line, list the preceding line, | |
1211 | instead of the exact line we've just shown after e.g., | |
1212 | stopping for a breakpoint. */ | |
1213 | if (arg != NULL && arg[0] == '-' | |
1214 | && get_lines_to_list () == 1 && first > 1) | |
1215 | first -= 1; | |
1216 | ||
0e2a2133 | 1217 | print_source_lines (cursal.symtab, source_lines_range (first), 0); |
5166082f | 1218 | } |
0378c332 | 1219 | |
1a48ce76 | 1220 | /* "l" or "l +" lists next ten lines. */ |
a0def019 | 1221 | else if (arg == NULL || arg[0] == '+') |
0e2a2133 AB |
1222 | print_source_lines (cursal.symtab, |
1223 | source_lines_range (cursal.line), 0); | |
0378c332 | 1224 | |
1a48ce76 AB |
1225 | /* "l -" lists previous ten lines, the ones before the ten just |
1226 | listed. */ | |
a0def019 | 1227 | else if (arg[0] == '-') |
3b2464a8 AB |
1228 | { |
1229 | if (get_first_line_listed () == 1) | |
1230 | error (_("Already at the start of %s."), | |
1231 | symtab_to_filename_for_display (cursal.symtab)); | |
0e2a2133 AB |
1232 | source_lines_range range (get_first_line_listed (), |
1233 | source_lines_range::BACKWARD); | |
1234 | print_source_lines (cursal.symtab, range, 0); | |
3b2464a8 | 1235 | } |
0378c332 | 1236 | |
0378c332 FN |
1237 | return; |
1238 | } | |
1239 | ||
1240 | /* Now if there is only one argument, decode it in SAL | |
1241 | and set NO_END. | |
1242 | If there are two arguments, decode them in SAL and SAL_END | |
1243 | and clear NO_END; however, if one of the arguments is blank, | |
1244 | set DUMMY_BEG or DUMMY_END to record that fact. */ | |
1245 | ||
1246 | if (!have_full_symbols () && !have_partial_symbols ()) | |
8a3fe4f8 | 1247 | error (_("No symbol table is loaded. Use the \"file\" command.")); |
0378c332 | 1248 | |
6c5b2ebe | 1249 | std::vector<symtab_and_line> sals; |
51abb421 | 1250 | symtab_and_line sal, sal_end; |
6c5b2ebe | 1251 | |
0378c332 FN |
1252 | arg1 = arg; |
1253 | if (*arg1 == ',') | |
1254 | dummy_beg = 1; | |
1255 | else | |
1256 | { | |
264f9890 PA |
1257 | location_spec_up locspec |
1258 | = string_to_location_spec (&arg1, current_language); | |
1259 | ||
1260 | /* We know that the ARG string is not empty, yet the attempt to | |
1261 | parse a location spec from the string consumed no characters. | |
1262 | This most likely means that the first thing in ARG looks like | |
1263 | a location spec condition, and so the string_to_location_spec | |
1264 | call stopped parsing. */ | |
3c5fcec6 AB |
1265 | if (arg1 == arg) |
1266 | error (_("Junk at end of line specification.")); | |
1267 | ||
264f9890 | 1268 | sals = decode_line_1 (locspec.get (), DECODE_LINE_LIST_MODE, |
ffc2605c | 1269 | NULL, NULL, 0); |
6c5b2ebe PA |
1270 | filter_sals (sals); |
1271 | if (sals.empty ()) | |
f00aae0f KS |
1272 | { |
1273 | /* C++ */ | |
f00aae0f KS |
1274 | return; |
1275 | } | |
0378c332 | 1276 | |
6c5b2ebe | 1277 | sal = sals[0]; |
0378c332 FN |
1278 | } |
1279 | ||
1280 | /* Record whether the BEG arg is all digits. */ | |
1281 | ||
1282 | for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++); | |
1283 | linenum_beg = (p == arg1); | |
1284 | ||
e439fa14 PA |
1285 | /* Save the range of the first argument, in case we need to let the |
1286 | user know it was ambiguous. */ | |
1287 | const char *beg = arg; | |
1288 | size_t beg_len = arg1 - beg; | |
1289 | ||
0378c332 FN |
1290 | while (*arg1 == ' ' || *arg1 == '\t') |
1291 | arg1++; | |
1292 | if (*arg1 == ',') | |
1293 | { | |
1294 | no_end = 0; | |
6c5b2ebe | 1295 | if (sals.size () > 1) |
0d999a6e | 1296 | { |
6c5b2ebe | 1297 | ambiguous_line_spec (sals, |
e439fa14 PA |
1298 | _("Specified first line '%.*s' is ambiguous:\n"), |
1299 | (int) beg_len, beg); | |
0d999a6e ZZ |
1300 | return; |
1301 | } | |
0378c332 FN |
1302 | arg1++; |
1303 | while (*arg1 == ' ' || *arg1 == '\t') | |
1304 | arg1++; | |
1305 | if (*arg1 == 0) | |
1306 | dummy_end = 1; | |
1307 | else | |
1308 | { | |
e439fa14 PA |
1309 | /* Save the last argument, in case we need to let the user |
1310 | know it was ambiguous. */ | |
1311 | const char *end_arg = arg1; | |
1312 | ||
264f9890 PA |
1313 | location_spec_up locspec |
1314 | = string_to_location_spec (&arg1, current_language); | |
f00aae0f | 1315 | |
3c5fcec6 AB |
1316 | if (*arg1) |
1317 | error (_("Junk at end of line specification.")); | |
1318 | ||
6c5b2ebe PA |
1319 | std::vector<symtab_and_line> sals_end |
1320 | = (dummy_beg | |
264f9890 | 1321 | ? decode_line_1 (locspec.get (), DECODE_LINE_LIST_MODE, |
6c5b2ebe | 1322 | NULL, NULL, 0) |
264f9890 | 1323 | : decode_line_1 (locspec.get (), DECODE_LINE_LIST_MODE, |
6c5b2ebe PA |
1324 | NULL, sal.symtab, sal.line)); |
1325 | ||
1326 | filter_sals (sals_end); | |
1327 | if (sals_end.empty ()) | |
1328 | return; | |
1329 | if (sals_end.size () > 1) | |
0d999a6e | 1330 | { |
6c5b2ebe | 1331 | ambiguous_line_spec (sals_end, |
e439fa14 PA |
1332 | _("Specified last line '%s' is ambiguous:\n"), |
1333 | end_arg); | |
0378c332 FN |
1334 | return; |
1335 | } | |
6c5b2ebe | 1336 | sal_end = sals_end[0]; |
0378c332 FN |
1337 | } |
1338 | } | |
1339 | ||
1340 | if (*arg1) | |
8a3fe4f8 | 1341 | error (_("Junk at end of line specification.")); |
0378c332 FN |
1342 | |
1343 | if (!no_end && !dummy_beg && !dummy_end | |
1344 | && sal.symtab != sal_end.symtab) | |
e439fa14 | 1345 | error (_("Specified first and last lines are in different files.")); |
0378c332 | 1346 | if (dummy_beg && dummy_end) |
8a3fe4f8 | 1347 | error (_("Two empty args do not say what lines to list.")); |
0378c332 | 1348 | |
ebcd3b23 | 1349 | /* If line was specified by address, |
0378c332 | 1350 | first print exactly which line, and which file. |
ebcd3b23 MS |
1351 | |
1352 | In this case, sal.symtab == 0 means address is outside of all | |
1353 | known source files, not that user failed to give a filename. */ | |
0378c332 FN |
1354 | if (*arg == '*') |
1355 | { | |
5af949e3 | 1356 | struct gdbarch *gdbarch; |
cdb27c12 | 1357 | |
0378c332 | 1358 | if (sal.symtab == 0) |
8a3fe4f8 | 1359 | error (_("No source file for address %s."), |
2b69941d | 1360 | paddress (get_current_arch (), sal.pc)); |
5af949e3 | 1361 | |
3c86fae3 | 1362 | gdbarch = sal.symtab->compunit ()->objfile ()->arch (); |
0378c332 FN |
1363 | sym = find_pc_function (sal.pc); |
1364 | if (sym) | |
6cb06a8c TT |
1365 | gdb_printf ("%s is in %s (%s:%d).\n", |
1366 | paddress (gdbarch, sal.pc), | |
1367 | sym->print_name (), | |
1368 | symtab_to_filename_for_display (sal.symtab), sal.line); | |
0378c332 | 1369 | else |
6cb06a8c TT |
1370 | gdb_printf ("%s is at %s:%d.\n", |
1371 | paddress (gdbarch, sal.pc), | |
1372 | symtab_to_filename_for_display (sal.symtab), sal.line); | |
0378c332 FN |
1373 | } |
1374 | ||
ebcd3b23 MS |
1375 | /* If line was not specified by just a line number, and it does not |
1376 | imply a symtab, it must be an undebuggable symbol which means no | |
1377 | source code. */ | |
0378c332 FN |
1378 | |
1379 | if (!linenum_beg && sal.symtab == 0) | |
8a3fe4f8 | 1380 | error (_("No line number known for %s."), arg); |
0378c332 FN |
1381 | |
1382 | /* If this command is repeated with RET, | |
1383 | turn it into the no-arg variant. */ | |
1384 | ||
1385 | if (from_tty) | |
85c4be7c | 1386 | set_repeat_arguments (""); |
0378c332 FN |
1387 | |
1388 | if (dummy_beg && sal_end.symtab == 0) | |
8a3fe4f8 | 1389 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 | 1390 | if (dummy_beg) |
0e2a2133 AB |
1391 | { |
1392 | source_lines_range range (sal_end.line + 1, | |
1393 | source_lines_range::BACKWARD); | |
1394 | print_source_lines (sal_end.symtab, range, 0); | |
1395 | } | |
0378c332 | 1396 | else if (sal.symtab == 0) |
8a3fe4f8 | 1397 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
1398 | else if (no_end) |
1399 | { | |
6c5b2ebe | 1400 | for (int i = 0; i < sals.size (); i++) |
0d999a6e | 1401 | { |
6c5b2ebe | 1402 | sal = sals[i]; |
0d999a6e ZZ |
1403 | int first_line = sal.line - get_lines_to_list () / 2; |
1404 | if (first_line < 1) | |
1405 | first_line = 1; | |
6c5b2ebe | 1406 | if (sals.size () > 1) |
06871ae8 | 1407 | print_sal_location (sal); |
0e2a2133 | 1408 | print_source_lines (sal.symtab, source_lines_range (first_line), 0); |
0d999a6e | 1409 | } |
0378c332 | 1410 | } |
0e2a2133 AB |
1411 | else if (dummy_end) |
1412 | print_source_lines (sal.symtab, source_lines_range (sal.line), 0); | |
0378c332 | 1413 | else |
0e2a2133 AB |
1414 | print_source_lines (sal.symtab, |
1415 | source_lines_range (sal.line, (sal_end.line + 1)), | |
0378c332 FN |
1416 | 0); |
1417 | } | |
1418 | ||
d14508fe DE |
1419 | /* Subroutine of disassemble_command to simplify it. |
1420 | Perform the disassembly. | |
1421 | NAME is the name of the function if known, or NULL. | |
1422 | [LOW,HIGH) are the range of addresses to disassemble. | |
e9480230 KB |
1423 | BLOCK is the block to disassemble; it needs to be provided |
1424 | when non-contiguous blocks are disassembled; otherwise | |
1425 | it can be NULL. | |
d14508fe DE |
1426 | MIXED is non-zero to print source with the assembler. */ |
1427 | ||
1428 | static void | |
13274fc3 | 1429 | print_disassembly (struct gdbarch *gdbarch, const char *name, |
9a24775b | 1430 | CORE_ADDR low, CORE_ADDR high, |
e9480230 | 1431 | const struct block *block, |
9a24775b | 1432 | gdb_disassembly_flags flags) |
d14508fe DE |
1433 | { |
1434 | #if defined(TUI) | |
f9ba974d TT |
1435 | if (tui_is_window_visible (DISASSEM_WIN)) |
1436 | tui_show_assembly (gdbarch, low); | |
1437 | else | |
d14508fe DE |
1438 | #endif |
1439 | { | |
6cb06a8c | 1440 | gdb_printf (_("Dump of assembler code ")); |
d14508fe | 1441 | if (name != NULL) |
6cb06a8c TT |
1442 | gdb_printf (_("for function %ps:\n"), |
1443 | styled_string (function_name_style.style (), name)); | |
086d03c9 | 1444 | if (block == nullptr || block->is_contiguous ()) |
dda83cd7 | 1445 | { |
e9480230 | 1446 | if (name == NULL) |
6cb06a8c TT |
1447 | gdb_printf (_("from %ps to %ps:\n"), |
1448 | styled_string (address_style.style (), | |
1449 | paddress (gdbarch, low)), | |
1450 | styled_string (address_style.style (), | |
1451 | paddress (gdbarch, high))); | |
d14508fe | 1452 | |
e9480230 KB |
1453 | /* Dump the specified range. */ |
1454 | gdb_disassembly (gdbarch, current_uiout, flags, -1, low, high); | |
1455 | } | |
1456 | else | |
dda83cd7 | 1457 | { |
f73b4922 | 1458 | for (const blockrange &range : block->ranges ()) |
e9480230 | 1459 | { |
f73b4922 SM |
1460 | CORE_ADDR range_low = range.start (); |
1461 | CORE_ADDR range_high = range.end (); | |
1462 | ||
6cb06a8c TT |
1463 | gdb_printf (_("Address range %ps to %ps:\n"), |
1464 | styled_string (address_style.style (), | |
1465 | paddress (gdbarch, range_low)), | |
1466 | styled_string (address_style.style (), | |
1467 | paddress (gdbarch, range_high))); | |
b926417a TT |
1468 | gdb_disassembly (gdbarch, current_uiout, flags, -1, |
1469 | range_low, range_high); | |
e9480230 KB |
1470 | } |
1471 | } | |
6cb06a8c | 1472 | gdb_printf (_("End of assembler dump.\n")); |
d14508fe | 1473 | } |
d14508fe DE |
1474 | } |
1475 | ||
1476 | /* Subroutine of disassemble_command to simplify it. | |
9c419145 | 1477 | Print a disassembly of the current function according to FLAGS. */ |
d14508fe DE |
1478 | |
1479 | static void | |
9a24775b | 1480 | disassemble_current_function (gdb_disassembly_flags flags) |
d14508fe | 1481 | { |
bd2b40ac | 1482 | frame_info_ptr frame; |
13274fc3 | 1483 | struct gdbarch *gdbarch; |
d14508fe | 1484 | CORE_ADDR low, high, pc; |
2c02bd72 | 1485 | const char *name; |
e9480230 | 1486 | const struct block *block; |
d14508fe | 1487 | |
13274fc3 UW |
1488 | frame = get_selected_frame (_("No frame selected.")); |
1489 | gdbarch = get_frame_arch (frame); | |
9bf4bce9 | 1490 | pc = get_frame_address_in_block (frame); |
e9480230 | 1491 | if (find_pc_partial_function (pc, &name, &low, &high, &block) == 0) |
d14508fe DE |
1492 | error (_("No function contains program counter for selected frame.")); |
1493 | #if defined(TUI) | |
1494 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously | |
1495 | `tui_version'. */ | |
1496 | if (tui_active) | |
1497 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1498 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
d14508fe | 1499 | #endif |
13274fc3 | 1500 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
d14508fe | 1501 | |
e9480230 | 1502 | print_disassembly (gdbarch, name, low, high, block, flags); |
d14508fe DE |
1503 | } |
1504 | ||
1505 | /* Dump a specified section of assembly code. | |
1506 | ||
1507 | Usage: | |
6ff0ba5f | 1508 | disassemble [/mrs] |
d14508fe | 1509 | - dump the assembly code for the function of the current pc |
6ff0ba5f | 1510 | disassemble [/mrs] addr |
d14508fe | 1511 | - dump the assembly code for the function at ADDR |
6ff0ba5f DE |
1512 | disassemble [/mrs] low,high |
1513 | disassemble [/mrs] low,+length | |
53a71c06 | 1514 | - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length) |
d14508fe | 1515 | |
6ff0ba5f DE |
1516 | A /m modifier will include source code with the assembly in a |
1517 | "source centric" view. This view lists only the file of the first insn, | |
1518 | even if other source files are involved (e.g., inlined functions), and | |
1519 | the output is in source order, even with optimized code. This view is | |
1520 | considered deprecated as it hasn't been useful in practice. | |
1521 | ||
1522 | A /r modifier will include raw instructions in hex with the assembly. | |
1523 | ||
d4ce49b7 AB |
1524 | A /b modifier is similar to /r except the instruction bytes are printed |
1525 | as separate bytes with no grouping, or endian switching. | |
1526 | ||
6ff0ba5f DE |
1527 | A /s modifier will include source code with the assembly, like /m, with |
1528 | two important differences: | |
1529 | 1) The output is still in pc address order. | |
1530 | 2) File names and contents for all relevant source files are displayed. */ | |
83c31e7d | 1531 | |
83c31e7d | 1532 | static void |
0b39b52e | 1533 | disassemble_command (const char *arg, int from_tty) |
83c31e7d | 1534 | { |
13274fc3 | 1535 | struct gdbarch *gdbarch = get_current_arch (); |
83c31e7d | 1536 | CORE_ADDR low, high; |
f75a0693 | 1537 | const general_symbol_info *symbol = nullptr; |
2c02bd72 | 1538 | const char *name; |
d36fc00b | 1539 | CORE_ADDR pc; |
9a24775b | 1540 | gdb_disassembly_flags flags; |
bbc13ae3 | 1541 | const char *p; |
e9480230 | 1542 | const struct block *block = nullptr; |
83c31e7d | 1543 | |
bbc13ae3 | 1544 | p = arg; |
83c31e7d | 1545 | name = NULL; |
e6158f16 | 1546 | flags = 0; |
d14508fe | 1547 | |
bbc13ae3 | 1548 | if (p && *p == '/') |
83c31e7d | 1549 | { |
bbc13ae3 | 1550 | ++p; |
d14508fe | 1551 | |
bbc13ae3 | 1552 | if (*p == '\0') |
d14508fe DE |
1553 | error (_("Missing modifier.")); |
1554 | ||
bbc13ae3 | 1555 | while (*p && ! isspace (*p)) |
d14508fe | 1556 | { |
bbc13ae3 | 1557 | switch (*p++) |
d14508fe DE |
1558 | { |
1559 | case 'm': | |
6ff0ba5f | 1560 | flags |= DISASSEMBLY_SOURCE_DEPRECATED; |
e6158f16 HZ |
1561 | break; |
1562 | case 'r': | |
1563 | flags |= DISASSEMBLY_RAW_INSN; | |
d14508fe | 1564 | break; |
d4ce49b7 AB |
1565 | case 'b': |
1566 | flags |= DISASSEMBLY_RAW_BYTES; | |
1567 | break; | |
6ff0ba5f DE |
1568 | case 's': |
1569 | flags |= DISASSEMBLY_SOURCE; | |
1570 | break; | |
d14508fe DE |
1571 | default: |
1572 | error (_("Invalid disassembly modifier.")); | |
1573 | } | |
1574 | } | |
1575 | ||
f1735a53 | 1576 | p = skip_spaces (p); |
d14508fe DE |
1577 | } |
1578 | ||
6ff0ba5f DE |
1579 | if ((flags & (DISASSEMBLY_SOURCE_DEPRECATED | DISASSEMBLY_SOURCE)) |
1580 | == (DISASSEMBLY_SOURCE_DEPRECATED | DISASSEMBLY_SOURCE)) | |
1581 | error (_("Cannot specify both /m and /s.")); | |
1582 | ||
bbc13ae3 | 1583 | if (! p || ! *p) |
d14508fe | 1584 | { |
9c419145 | 1585 | flags |= DISASSEMBLY_OMIT_FNAME; |
e6158f16 | 1586 | disassemble_current_function (flags); |
d14508fe | 1587 | return; |
83c31e7d | 1588 | } |
d14508fe | 1589 | |
bbc13ae3 KS |
1590 | pc = value_as_address (parse_to_comma_and_eval (&p)); |
1591 | if (p[0] == ',') | |
1592 | ++p; | |
1593 | if (p[0] == '\0') | |
83c31e7d FN |
1594 | { |
1595 | /* One argument. */ | |
f75a0693 | 1596 | if (!find_pc_partial_function_sym (pc, &symbol, &low, &high, &block)) |
8a3fe4f8 | 1597 | error (_("No function contains specified address.")); |
f75a0693 AB |
1598 | |
1599 | if (asm_demangle) | |
1600 | name = symbol->print_name (); | |
1601 | else | |
1602 | name = symbol->linkage_name (); | |
1603 | ||
83c31e7d | 1604 | #if defined(TUI) |
021e7609 AC |
1605 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously |
1606 | `tui_version'. */ | |
22940a24 AC |
1607 | if (tui_active) |
1608 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1609 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
83c31e7d | 1610 | #endif |
13274fc3 | 1611 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
9c419145 | 1612 | flags |= DISASSEMBLY_OMIT_FNAME; |
83c31e7d FN |
1613 | } |
1614 | else | |
1615 | { | |
1616 | /* Two arguments. */ | |
53a71c06 | 1617 | int incl_flag = 0; |
21a0512e | 1618 | low = pc; |
f1735a53 | 1619 | p = skip_spaces (p); |
bbc13ae3 | 1620 | if (p[0] == '+') |
53a71c06 | 1621 | { |
bbc13ae3 | 1622 | ++p; |
53a71c06 CR |
1623 | incl_flag = 1; |
1624 | } | |
bbc13ae3 | 1625 | high = parse_and_eval_address (p); |
53a71c06 CR |
1626 | if (incl_flag) |
1627 | high += low; | |
83c31e7d FN |
1628 | } |
1629 | ||
e9480230 | 1630 | print_disassembly (gdbarch, name, low, high, block, flags); |
83c31e7d FN |
1631 | } |
1632 | ||
d318976c | 1633 | static void |
0b39b52e | 1634 | make_command (const char *arg, int from_tty) |
d318976c | 1635 | { |
d318976c | 1636 | if (arg == 0) |
be47f9e8 | 1637 | shell_escape ("make", from_tty); |
d318976c FN |
1638 | else |
1639 | { | |
be47f9e8 | 1640 | std::string cmd = std::string ("make ") + arg; |
d318976c | 1641 | |
be47f9e8 PA |
1642 | shell_escape (cmd.c_str (), from_tty); |
1643 | } | |
d318976c FN |
1644 | } |
1645 | ||
d318976c | 1646 | static void |
dede02ce | 1647 | show_user (const char *args, int from_tty) |
d318976c FN |
1648 | { |
1649 | struct cmd_list_element *c; | |
d318976c FN |
1650 | |
1651 | if (args) | |
1652 | { | |
6f937416 | 1653 | const char *comname = args; |
cdb27c12 | 1654 | |
cf00cd6f | 1655 | c = lookup_cmd (&comname, cmdlist, "", NULL, 0, 1); |
a9f116cb | 1656 | if (!cli_user_command_p (c)) |
8a3fe4f8 | 1657 | error (_("Not a user command.")); |
adb483fe | 1658 | show_user_1 (c, "", args, gdb_stdout); |
d318976c FN |
1659 | } |
1660 | else | |
1661 | { | |
1662 | for (c = cmdlist; c; c = c->next) | |
1663 | { | |
3d0b3564 | 1664 | if (cli_user_command_p (c) || c->is_prefix ()) |
adb483fe | 1665 | show_user_1 (c, "", c->name, gdb_stdout); |
d318976c FN |
1666 | } |
1667 | } | |
1668 | } | |
1669 | ||
cc81bc2d LS |
1670 | /* Return true if COMMAND or any of its sub-commands is a user defined command. |
1671 | This is a helper function for show_user_completer. */ | |
1672 | ||
1673 | static bool | |
1674 | has_user_subcmd (struct cmd_list_element *command) | |
1675 | { | |
1676 | if (cli_user_command_p (command)) | |
1677 | return true; | |
1678 | ||
1679 | /* Alias command can yield false positive. Ignore them as the targeted | |
1680 | command should be reachable anyway. */ | |
1681 | if (command->is_alias ()) | |
1682 | return false; | |
1683 | ||
1684 | if (command->is_prefix ()) | |
1685 | for (struct cmd_list_element *subcommand = *command->subcommands; | |
1686 | subcommand != nullptr; | |
1687 | subcommand = subcommand->next) | |
1688 | if (has_user_subcmd (subcommand)) | |
1689 | return true; | |
1690 | ||
1691 | return false; | |
1692 | } | |
1693 | ||
1694 | /* Implement completer for the 'show user' command. */ | |
1695 | ||
1696 | static void | |
1697 | show_user_completer (cmd_list_element *, | |
1698 | completion_tracker &tracker, const char *text, | |
1699 | const char *word) | |
1700 | { | |
1701 | struct cmd_list_element *cmd_group = cmdlist; | |
1702 | ||
1703 | /* TEXT can contain a chain of commands and subcommands. Follow the | |
1704 | commands chain until we reach the point where the user wants a | |
1705 | completion. */ | |
1706 | while (word > text) | |
1707 | { | |
1708 | const char *curr_cmd = text; | |
1709 | const char *after = skip_to_space (text); | |
1710 | const size_t curr_cmd_len = after - text; | |
1711 | text = skip_spaces (after); | |
1712 | ||
1713 | for (struct cmd_list_element *c = cmd_group; c != nullptr; c = c->next) | |
1714 | { | |
1715 | if (strlen (c->name) == curr_cmd_len | |
1716 | && strncmp (c->name, curr_cmd, curr_cmd_len) == 0) | |
1717 | { | |
1718 | if (c->subcommands == nullptr) | |
1719 | /* We arrived after a command with no child, so nothing more | |
1720 | to complete. */ | |
1721 | return; | |
1722 | ||
1723 | cmd_group = *c->subcommands; | |
1724 | break; | |
1725 | } | |
1726 | } | |
1727 | } | |
1728 | ||
1729 | const int wordlen = strlen (word); | |
1730 | for (struct cmd_list_element *c = cmd_group; c != nullptr; c = c->next) | |
1731 | if (has_user_subcmd (c)) | |
1732 | { | |
1733 | if (strncmp (c->name, word, wordlen) == 0) | |
1734 | tracker.add_completion | |
1735 | (gdb::unique_xmalloc_ptr<char> (xstrdup (c->name))); | |
1736 | } | |
1737 | } | |
1738 | ||
d318976c | 1739 | /* Search through names of commands and documentations for a certain |
ebcd3b23 MS |
1740 | regular expression. */ |
1741 | ||
66d8c862 PW |
1742 | static void |
1743 | apropos_command (const char *arg, int from_tty) | |
d318976c | 1744 | { |
66d8c862 PW |
1745 | bool verbose = arg && check_for_argument (&arg, "-v", 2); |
1746 | ||
66d8c862 | 1747 | if (arg == NULL || *arg == '\0') |
f55af66d | 1748 | error (_("REGEXP string is empty")); |
d318976c | 1749 | |
66d8c862 | 1750 | compiled_regex pattern (arg, REG_ICASE, |
2d7cc5c7 | 1751 | _("Error in regular expression")); |
dc92e161 | 1752 | |
66d8c862 | 1753 | apropos_cmd (gdb_stdout, cmdlist, verbose, pattern, ""); |
d318976c | 1754 | } |
5a56e9c5 | 1755 | |
cf00cd6f PW |
1756 | /* The options for the "alias" command. */ |
1757 | ||
1758 | struct alias_opts | |
1759 | { | |
1760 | /* For "-a". */ | |
1761 | bool abbrev_flag = false; | |
1762 | }; | |
1763 | ||
1764 | static const gdb::option::option_def alias_option_defs[] = { | |
1765 | ||
1766 | gdb::option::flag_option_def<alias_opts> { | |
1767 | "a", | |
1768 | [] (alias_opts *opts) { return &opts->abbrev_flag; }, | |
1769 | N_("Specify that ALIAS is an abbreviation of COMMAND.\n\ | |
1770 | Abbreviations are not used in command completion."), | |
1771 | }, | |
1772 | ||
1773 | }; | |
1774 | ||
1775 | /* Create an option_def_group for the "alias" options, with | |
1776 | A_OPTS as context. */ | |
1777 | ||
1778 | static gdb::option::option_def_group | |
1779 | make_alias_options_def_group (alias_opts *a_opts) | |
1780 | { | |
1781 | return {{alias_option_defs}, a_opts}; | |
1782 | } | |
1783 | ||
1784 | /* Completer for the "alias_command". */ | |
1785 | ||
1786 | static void | |
1787 | alias_command_completer (struct cmd_list_element *ignore, | |
1788 | completion_tracker &tracker, | |
1789 | const char *text, const char *word) | |
1790 | { | |
1791 | const auto grp = make_alias_options_def_group (nullptr); | |
1792 | ||
1793 | tracker.set_use_custom_word_point (true); | |
1794 | ||
1795 | if (gdb::option::complete_options | |
1796 | (tracker, &text, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_ERROR, grp)) | |
1797 | return; | |
1798 | ||
1799 | const char *delim = strchr (text, '='); | |
1800 | ||
1801 | /* If we're past the "=" delimiter, complete the | |
1802 | "alias ALIAS = COMMAND [DEFAULT-ARGS...]" as if the user is | |
1803 | typing COMMAND DEFAULT-ARGS... */ | |
1804 | if (delim != text | |
1805 | && delim != nullptr | |
1806 | && isspace (delim[-1]) | |
1807 | && (isspace (delim[1]) || delim[1] == '\0')) | |
1808 | { | |
1809 | std::string new_text = std::string (delim + 1); | |
1810 | ||
1811 | tracker.advance_custom_word_point_by (delim + 1 - text); | |
1812 | complete_nested_command_line (tracker, new_text.c_str ()); | |
1813 | return; | |
1814 | } | |
1815 | ||
1816 | /* We're not yet past the "=" delimiter. Complete a command, as | |
1817 | the user might type an alias following a prefix command. */ | |
1818 | complete_nested_command_line (tracker, text); | |
1819 | } | |
1820 | ||
5a56e9c5 DE |
1821 | /* Subroutine of alias_command to simplify it. |
1822 | Return the first N elements of ARGV flattened back to a string | |
1823 | with a space separating each element. | |
1824 | ARGV may not be NULL. | |
1825 | This does not take care of quoting elements in case they contain spaces | |
1826 | on purpose. */ | |
1827 | ||
a97e29d2 TT |
1828 | static std::string |
1829 | argv_to_string (char **argv, int n) | |
5a56e9c5 DE |
1830 | { |
1831 | int i; | |
a97e29d2 | 1832 | std::string result; |
5a56e9c5 DE |
1833 | |
1834 | gdb_assert (argv != NULL); | |
1835 | gdb_assert (n >= 0 && n <= countargv (argv)); | |
1836 | ||
1837 | for (i = 0; i < n; ++i) | |
1838 | { | |
1839 | if (i > 0) | |
a97e29d2 TT |
1840 | result += " "; |
1841 | result += argv[i]; | |
5a56e9c5 DE |
1842 | } |
1843 | ||
1844 | return result; | |
1845 | } | |
1846 | ||
1847 | /* Subroutine of alias_command to simplify it. | |
cf00cd6f PW |
1848 | Verifies that COMMAND can have an alias: |
1849 | COMMAND must exist. | |
1850 | COMMAND must not have default args. | |
1851 | This last condition is to avoid the following: | |
1852 | alias aaa = backtrace -full | |
1853 | alias bbb = aaa -past-main | |
1854 | as (at least currently), alias default args are not cumulative | |
1855 | and the user would expect bbb to execute 'backtrace -full -past-main' | |
1856 | while it will execute 'backtrace -past-main'. */ | |
5a56e9c5 | 1857 | |
3947f654 | 1858 | static cmd_list_element * |
cf00cd6f | 1859 | validate_aliased_command (const char *command) |
5a56e9c5 | 1860 | { |
cf00cd6f | 1861 | std::string default_args; |
3947f654 SM |
1862 | cmd_list_element *c |
1863 | = lookup_cmd_1 (& command, cmdlist, NULL, &default_args, 1); | |
5a56e9c5 DE |
1864 | |
1865 | if (c == NULL || c == (struct cmd_list_element *) -1) | |
cf00cd6f PW |
1866 | error (_("Invalid command to alias to: %s"), command); |
1867 | ||
1868 | if (!default_args.empty ()) | |
1869 | error (_("Cannot define an alias of an alias that has default args")); | |
3947f654 SM |
1870 | |
1871 | return c; | |
5a56e9c5 DE |
1872 | } |
1873 | ||
7f31862a PA |
1874 | /* Called when "alias" was incorrectly used. */ |
1875 | ||
1876 | static void | |
1877 | alias_usage_error (void) | |
1878 | { | |
cf00cd6f | 1879 | error (_("Usage: alias [-a] [--] ALIAS = COMMAND [DEFAULT-ARGS...]")); |
7f31862a PA |
1880 | } |
1881 | ||
5a56e9c5 DE |
1882 | /* Make an alias of an existing command. */ |
1883 | ||
1884 | static void | |
0b39b52e | 1885 | alias_command (const char *args, int from_tty) |
5a56e9c5 | 1886 | { |
cf00cd6f PW |
1887 | alias_opts a_opts; |
1888 | ||
1889 | auto grp = make_alias_options_def_group (&a_opts); | |
1890 | gdb::option::process_options | |
1891 | (&args, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_ERROR, grp); | |
1892 | ||
5a56e9c5 | 1893 | int i, alias_argc, command_argc; |
0b39b52e | 1894 | const char *equals; |
a97e29d2 | 1895 | const char *alias, *command; |
5a56e9c5 DE |
1896 | |
1897 | if (args == NULL || strchr (args, '=') == NULL) | |
7f31862a | 1898 | alias_usage_error (); |
5a56e9c5 | 1899 | |
773a1edc TT |
1900 | equals = strchr (args, '='); |
1901 | std::string args2 (args, equals - args); | |
1902 | ||
1903 | gdb_argv built_alias_argv (args2.c_str ()); | |
cf00cd6f PW |
1904 | |
1905 | const char *default_args = equals + 1; | |
1906 | struct cmd_list_element *c_command_prefix; | |
1907 | ||
1908 | lookup_cmd_for_default_args (&default_args, &c_command_prefix); | |
1909 | std::string command_argv_str (equals + 1, | |
1910 | default_args == nullptr | |
1911 | ? strlen (equals + 1) | |
1912 | : default_args - equals - 1); | |
1913 | gdb_argv command_argv (command_argv_str.c_str ()); | |
5a56e9c5 | 1914 | |
773a1edc | 1915 | char **alias_argv = built_alias_argv.get (); |
5a56e9c5 DE |
1916 | |
1917 | if (alias_argv[0] == NULL || command_argv[0] == NULL | |
1918 | || *alias_argv[0] == '\0' || *command_argv[0] == '\0') | |
7f31862a | 1919 | alias_usage_error (); |
5a56e9c5 DE |
1920 | |
1921 | for (i = 0; alias_argv[i] != NULL; ++i) | |
1922 | { | |
1923 | if (! valid_user_defined_cmd_name_p (alias_argv[i])) | |
1924 | { | |
1925 | if (i == 0) | |
1926 | error (_("Invalid command name: %s"), alias_argv[i]); | |
1927 | else | |
1928 | error (_("Invalid command element name: %s"), alias_argv[i]); | |
1929 | } | |
1930 | } | |
1931 | ||
1932 | alias_argc = countargv (alias_argv); | |
773a1edc | 1933 | command_argc = command_argv.count (); |
5a56e9c5 | 1934 | |
cf00cd6f | 1935 | /* COMMAND must exist, and cannot have default args. |
5a56e9c5 DE |
1936 | Reconstruct the command to remove any extraneous spaces, |
1937 | for better error messages. */ | |
773a1edc TT |
1938 | std::string command_string (argv_to_string (command_argv.get (), |
1939 | command_argc)); | |
a97e29d2 | 1940 | command = command_string.c_str (); |
3947f654 | 1941 | cmd_list_element *target_cmd = validate_aliased_command (command); |
5a56e9c5 DE |
1942 | |
1943 | /* ALIAS must not exist. */ | |
a97e29d2 TT |
1944 | std::string alias_string (argv_to_string (alias_argv, alias_argc)); |
1945 | alias = alias_string.c_str (); | |
0605465f PW |
1946 | { |
1947 | cmd_list_element *alias_cmd, *prefix_cmd, *cmd; | |
1948 | ||
1949 | if (lookup_cmd_composition (alias, &alias_cmd, &prefix_cmd, &cmd)) | |
1950 | { | |
1951 | const char *alias_name = alias_argv[alias_argc-1]; | |
1952 | ||
1953 | /* If we found an existing ALIAS_CMD, check that the prefix differ or | |
1954 | the name differ. */ | |
1955 | ||
1956 | if (alias_cmd != nullptr | |
1957 | && alias_cmd->prefix == prefix_cmd | |
1958 | && strcmp (alias_name, alias_cmd->name) == 0) | |
1959 | error (_("Alias already exists: %s"), alias); | |
1960 | ||
1961 | /* Check ALIAS differs from the found CMD. */ | |
1962 | ||
1963 | if (cmd->prefix == prefix_cmd | |
1964 | && strcmp (alias_name, cmd->name) == 0) | |
1965 | error (_("Alias %s is the name of an existing command"), alias); | |
1966 | } | |
1967 | } | |
1968 | ||
5a56e9c5 | 1969 | |
cf00cd6f PW |
1970 | struct cmd_list_element *alias_cmd; |
1971 | ||
5a56e9c5 DE |
1972 | /* If ALIAS is one word, it is an alias for the entire COMMAND. |
1973 | Example: alias spe = set print elements | |
1974 | ||
1975 | Otherwise ALIAS and COMMAND must have the same number of words, | |
b65b566c PW |
1976 | and every word except the last must identify the same prefix command; |
1977 | and the last word of ALIAS is made an alias of the last word of COMMAND. | |
5a56e9c5 DE |
1978 | Example: alias set print elms = set pr elem |
1979 | Note that unambiguous abbreviations are allowed. */ | |
1980 | ||
1981 | if (alias_argc == 1) | |
1982 | { | |
1983 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
3947f654 SM |
1984 | alias_cmd = add_com_alias (xstrdup (alias_argv[0]), target_cmd, |
1985 | class_alias, a_opts.abbrev_flag); | |
5a56e9c5 DE |
1986 | } |
1987 | else | |
1988 | { | |
6f937416 | 1989 | const char *alias_prefix, *command_prefix; |
5a56e9c5 DE |
1990 | struct cmd_list_element *c_alias, *c_command; |
1991 | ||
1992 | if (alias_argc != command_argc) | |
1993 | error (_("Mismatched command length between ALIAS and COMMAND.")); | |
1994 | ||
1995 | /* Create copies of ALIAS and COMMAND without the last word, | |
b65b566c PW |
1996 | and use that to verify the leading elements give the same |
1997 | prefix command. */ | |
a97e29d2 TT |
1998 | std::string alias_prefix_string (argv_to_string (alias_argv, |
1999 | alias_argc - 1)); | |
b65b566c | 2000 | std::string command_prefix_string (argv_to_string (command_argv.get (), |
a97e29d2 TT |
2001 | command_argc - 1)); |
2002 | alias_prefix = alias_prefix_string.c_str (); | |
2003 | command_prefix = command_prefix_string.c_str (); | |
5a56e9c5 | 2004 | |
cf00cd6f | 2005 | c_command = lookup_cmd_1 (& command_prefix, cmdlist, NULL, NULL, 1); |
5a56e9c5 DE |
2006 | /* We've already tried to look up COMMAND. */ |
2007 | gdb_assert (c_command != NULL | |
2008 | && c_command != (struct cmd_list_element *) -1); | |
3d0b3564 | 2009 | gdb_assert (c_command->is_prefix ()); |
cf00cd6f | 2010 | c_alias = lookup_cmd_1 (& alias_prefix, cmdlist, NULL, NULL, 1); |
5a56e9c5 DE |
2011 | if (c_alias != c_command) |
2012 | error (_("ALIAS and COMMAND prefixes do not match.")); | |
2013 | ||
2014 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
cf00cd6f | 2015 | alias_cmd = add_alias_cmd (xstrdup (alias_argv[alias_argc - 1]), |
5e84b7ee | 2016 | target_cmd, class_alias, a_opts.abbrev_flag, |
14b42fc4 | 2017 | c_command->subcommands); |
cf00cd6f PW |
2018 | } |
2019 | ||
2020 | gdb_assert (alias_cmd != nullptr); | |
2021 | gdb_assert (alias_cmd->default_args.empty ()); | |
2022 | if (default_args != nullptr) | |
2023 | { | |
2024 | default_args = skip_spaces (default_args); | |
2025 | ||
2026 | alias_cmd->default_args = default_args; | |
5a56e9c5 DE |
2027 | } |
2028 | } | |
d318976c | 2029 | \f |
06871ae8 PA |
2030 | /* Print the file / line number / symbol name of the location |
2031 | specified by SAL. */ | |
2032 | ||
2033 | static void | |
2034 | print_sal_location (const symtab_and_line &sal) | |
2035 | { | |
2036 | scoped_restore_current_program_space restore_pspace; | |
2037 | set_current_program_space (sal.pspace); | |
2038 | ||
2039 | const char *sym_name = NULL; | |
2040 | if (sal.symbol != NULL) | |
987012b8 | 2041 | sym_name = sal.symbol->print_name (); |
6cb06a8c TT |
2042 | gdb_printf (_("file: \"%s\", line number: %d, symbol: \"%s\"\n"), |
2043 | symtab_to_filename_for_display (sal.symtab), | |
2044 | sal.line, sym_name != NULL ? sym_name : "???"); | |
06871ae8 PA |
2045 | } |
2046 | ||
0378c332 | 2047 | /* Print a list of files and line numbers which a user may choose from |
ebcd3b23 | 2048 | in order to list a function which was specified ambiguously (as |
6c5b2ebe PA |
2049 | with `list classname::overloadedfuncname', for example). The SALS |
2050 | array provides the filenames and line numbers. FORMAT is a | |
2051 | printf-style format string used to tell the user what was | |
e439fa14 | 2052 | ambiguous. */ |
0378c332 FN |
2053 | |
2054 | static void | |
6c5b2ebe PA |
2055 | ambiguous_line_spec (gdb::array_view<const symtab_and_line> sals, |
2056 | const char *format, ...) | |
0378c332 | 2057 | { |
e439fa14 PA |
2058 | va_list ap; |
2059 | va_start (ap, format); | |
19a7b8ab | 2060 | gdb_vprintf (format, ap); |
e439fa14 PA |
2061 | va_end (ap); |
2062 | ||
6c5b2ebe | 2063 | for (const auto &sal : sals) |
06871ae8 | 2064 | print_sal_location (sal); |
0378c332 FN |
2065 | } |
2066 | ||
6c5b2ebe PA |
2067 | /* Comparison function for filter_sals. Returns a qsort-style |
2068 | result. */ | |
f8eba3c6 TT |
2069 | |
2070 | static int | |
6c5b2ebe | 2071 | cmp_symtabs (const symtab_and_line &sala, const symtab_and_line &salb) |
f8eba3c6 | 2072 | { |
e4730328 SM |
2073 | const char *dira = sala.symtab->compunit ()->dirname (); |
2074 | const char *dirb = salb.symtab->compunit ()->dirname (); | |
f8eba3c6 TT |
2075 | int r; |
2076 | ||
ee6f8984 | 2077 | if (dira == NULL) |
f8eba3c6 | 2078 | { |
ee6f8984 | 2079 | if (dirb != NULL) |
f8eba3c6 TT |
2080 | return -1; |
2081 | } | |
ee6f8984 | 2082 | else if (dirb == NULL) |
f8eba3c6 | 2083 | { |
ee6f8984 | 2084 | if (dira != NULL) |
f8eba3c6 TT |
2085 | return 1; |
2086 | } | |
2087 | else | |
2088 | { | |
ee6f8984 | 2089 | r = filename_cmp (dira, dirb); |
f8eba3c6 TT |
2090 | if (r) |
2091 | return r; | |
2092 | } | |
2093 | ||
6c5b2ebe | 2094 | r = filename_cmp (sala.symtab->filename, salb.symtab->filename); |
f8eba3c6 TT |
2095 | if (r) |
2096 | return r; | |
2097 | ||
6c5b2ebe | 2098 | if (sala.line < salb.line) |
f8eba3c6 | 2099 | return -1; |
6c5b2ebe | 2100 | return sala.line == salb.line ? 0 : 1; |
f8eba3c6 TT |
2101 | } |
2102 | ||
2103 | /* Remove any SALs that do not match the current program space, or | |
2104 | which appear to be "file:line" duplicates. */ | |
2105 | ||
2106 | static void | |
6c5b2ebe | 2107 | filter_sals (std::vector<symtab_and_line> &sals) |
f8eba3c6 | 2108 | { |
6c5b2ebe PA |
2109 | /* Remove SALs that do not match. */ |
2110 | auto from = std::remove_if (sals.begin (), sals.end (), | |
2111 | [&] (const symtab_and_line &sal) | |
2112 | { return (sal.pspace != current_program_space || sal.symtab == NULL); }); | |
2113 | ||
2114 | /* Remove dups. */ | |
2115 | std::sort (sals.begin (), from, | |
2116 | [] (const symtab_and_line &sala, const symtab_and_line &salb) | |
2117 | { return cmp_symtabs (sala, salb) < 0; }); | |
2118 | ||
2119 | from = std::unique (sals.begin (), from, | |
2120 | [&] (const symtab_and_line &sala, | |
2121 | const symtab_and_line &salb) | |
2122 | { return cmp_symtabs (sala, salb) == 0; }); | |
2123 | ||
2124 | sals.erase (from, sals.end ()); | |
f8eba3c6 TT |
2125 | } |
2126 | ||
920d2a44 AC |
2127 | static void |
2128 | show_info_verbose (struct ui_file *file, int from_tty, | |
2129 | struct cmd_list_element *c, | |
2130 | const char *value) | |
2131 | { | |
2132 | if (info_verbose) | |
6cb06a8c TT |
2133 | gdb_printf (file, |
2134 | _("Verbose printing of informational messages is %s.\n"), | |
2135 | value); | |
920d2a44 | 2136 | else |
6cb06a8c | 2137 | gdb_printf (file, _("Verbosity is %s.\n"), value); |
920d2a44 AC |
2138 | } |
2139 | ||
2140 | static void | |
2141 | show_history_expansion_p (struct ui_file *file, int from_tty, | |
2142 | struct cmd_list_element *c, const char *value) | |
2143 | { | |
6cb06a8c TT |
2144 | gdb_printf (file, _("History expansion on command input is %s.\n"), |
2145 | value); | |
920d2a44 AC |
2146 | } |
2147 | ||
920d2a44 AC |
2148 | static void |
2149 | show_max_user_call_depth (struct ui_file *file, int from_tty, | |
2150 | struct cmd_list_element *c, const char *value) | |
2151 | { | |
6cb06a8c TT |
2152 | gdb_printf (file, |
2153 | _("The max call depth for user-defined commands is %s.\n"), | |
2154 | value); | |
920d2a44 AC |
2155 | } |
2156 | ||
61fb7376 TBA |
2157 | /* Implement 'show suppress-cli-notifications'. */ |
2158 | ||
2159 | static void | |
2160 | show_suppress_cli_notifications (ui_file *file, int from_tty, | |
2161 | cmd_list_element *c, const char *value) | |
2162 | { | |
6cb06a8c TT |
2163 | gdb_printf (file, _("Suppression of printing CLI notifications " |
2164 | "is %s.\n"), value); | |
61fb7376 TBA |
2165 | } |
2166 | ||
2167 | /* Implement 'set suppress-cli-notifications'. */ | |
2168 | ||
2169 | static void | |
2170 | set_suppress_cli_notifications (const char *args, int from_tty, | |
2171 | cmd_list_element *c) | |
2172 | { | |
2173 | cli_suppress_notification.user_selected_context | |
2174 | = user_wants_cli_suppress_notification; | |
2175 | cli_suppress_notification.normal_stop | |
2176 | = user_wants_cli_suppress_notification; | |
2177 | } | |
2178 | ||
9ad9b77d PW |
2179 | /* Returns the cmd_list_element in SHOWLIST corresponding to the first |
2180 | argument of ARGV, which must contain one single value. | |
2181 | Throws an error if no value provided, or value not correct. | |
2182 | FNNAME is used in the error message. */ | |
2183 | ||
2184 | static cmd_list_element * | |
2185 | setting_cmd (const char *fnname, struct cmd_list_element *showlist, | |
2186 | int argc, struct value **argv) | |
2187 | { | |
2188 | if (argc == 0) | |
2189 | error (_("You must provide an argument to %s"), fnname); | |
2190 | if (argc != 1) | |
2191 | error (_("You can only provide one argument to %s"), fnname); | |
2192 | ||
d0c97917 | 2193 | struct type *type0 = check_typedef (argv[0]->type ()); |
9ad9b77d | 2194 | |
78134374 SM |
2195 | if (type0->code () != TYPE_CODE_ARRAY |
2196 | && type0->code () != TYPE_CODE_STRING) | |
9ad9b77d PW |
2197 | error (_("First argument of %s must be a string."), fnname); |
2198 | ||
efaf1ae0 | 2199 | const char *a0 = (const char *) argv[0]->contents ().data (); |
cf00cd6f | 2200 | cmd_list_element *cmd = lookup_cmd (&a0, showlist, "", NULL, -1, 0); |
9ad9b77d | 2201 | |
cd4c4c07 | 2202 | if (cmd == nullptr || cmd->type != show_cmd) |
9ad9b77d PW |
2203 | error (_("First argument of %s must be a " |
2204 | "valid setting of the 'show' command."), fnname); | |
2205 | ||
2206 | return cmd; | |
2207 | } | |
2208 | ||
2209 | /* Builds a value from the show CMD. */ | |
2210 | ||
2211 | static struct value * | |
1d7fe7f0 | 2212 | value_from_setting (const setting &var, struct gdbarch *gdbarch) |
9ad9b77d | 2213 | { |
1d7fe7f0 | 2214 | switch (var.type ()) |
9ad9b77d | 2215 | { |
7aeb03e2 | 2216 | case var_uinteger: |
9ad9b77d | 2217 | case var_integer: |
7aeb03e2 MR |
2218 | case var_pinteger: |
2219 | { | |
2220 | LONGEST value | |
2221 | = (var.type () == var_uinteger | |
2222 | ? static_cast<LONGEST> (var.get<unsigned int> ()) | |
2223 | : static_cast<LONGEST> (var.get<int> ())); | |
2224 | ||
2225 | if (var.extra_literals () != nullptr) | |
2226 | for (const literal_def *l = var.extra_literals (); | |
2227 | l->literal != nullptr; | |
2228 | l++) | |
2229 | if (value == l->use) | |
2230 | { | |
2231 | if (l->val.has_value ()) | |
2232 | value = *l->val; | |
2233 | else | |
317c3ed9 | 2234 | return value::allocate (builtin_type (gdbarch)->builtin_void); |
7aeb03e2 MR |
2235 | break; |
2236 | } | |
2237 | ||
2238 | if (var.type () == var_uinteger) | |
2239 | return | |
2240 | value_from_ulongest (builtin_type (gdbarch)->builtin_unsigned_int, | |
2241 | static_cast<unsigned int> (value)); | |
2242 | else | |
2243 | return | |
2244 | value_from_longest (builtin_type (gdbarch)->builtin_int, | |
2245 | static_cast<int> (value)); | |
2246 | } | |
9ad9b77d PW |
2247 | case var_boolean: |
2248 | return value_from_longest (builtin_type (gdbarch)->builtin_int, | |
1d7fe7f0 | 2249 | var.get<bool> () ? 1 : 0); |
9ad9b77d PW |
2250 | case var_auto_boolean: |
2251 | { | |
2252 | int val; | |
2253 | ||
1d7fe7f0 | 2254 | switch (var.get<enum auto_boolean> ()) |
9ad9b77d PW |
2255 | { |
2256 | case AUTO_BOOLEAN_TRUE: | |
2257 | val = 1; | |
2258 | break; | |
2259 | case AUTO_BOOLEAN_FALSE: | |
2260 | val = 0; | |
2261 | break; | |
2262 | case AUTO_BOOLEAN_AUTO: | |
2263 | val = -1; | |
2264 | break; | |
2265 | default: | |
2266 | gdb_assert_not_reached ("invalid var_auto_boolean"); | |
2267 | } | |
2268 | return value_from_longest (builtin_type (gdbarch)->builtin_int, | |
2269 | val); | |
2270 | } | |
9ad9b77d PW |
2271 | case var_string: |
2272 | case var_string_noescape: | |
2273 | case var_optional_filename: | |
2274 | case var_filename: | |
2275 | case var_enum: | |
1d7fe7f0 LS |
2276 | { |
2277 | const char *value; | |
e0700ba4 | 2278 | size_t len; |
1d7fe7f0 | 2279 | if (var.type () == var_enum) |
e0700ba4 SM |
2280 | { |
2281 | value = var.get<const char *> (); | |
2282 | len = strlen (value); | |
2283 | } | |
1d7fe7f0 | 2284 | else |
e0700ba4 SM |
2285 | { |
2286 | const std::string &st = var.get<std::string> (); | |
2287 | value = st.c_str (); | |
2288 | len = st.length (); | |
2289 | } | |
1d7fe7f0 | 2290 | |
e0700ba4 SM |
2291 | if (len > 0) |
2292 | return value_cstring (value, len, | |
1d7fe7f0 LS |
2293 | builtin_type (gdbarch)->builtin_char); |
2294 | else | |
2295 | return value_cstring ("", 1, | |
2296 | builtin_type (gdbarch)->builtin_char); | |
2297 | } | |
9ad9b77d PW |
2298 | default: |
2299 | gdb_assert_not_reached ("bad var_type"); | |
2300 | } | |
2301 | } | |
2302 | ||
2303 | /* Implementation of the convenience function $_gdb_setting. */ | |
2304 | ||
2305 | static struct value * | |
2306 | gdb_setting_internal_fn (struct gdbarch *gdbarch, | |
2307 | const struct language_defn *language, | |
2308 | void *cookie, int argc, struct value **argv) | |
2309 | { | |
1d7fe7f0 LS |
2310 | cmd_list_element *show_cmd |
2311 | = setting_cmd ("$_gdb_setting", showlist, argc, argv); | |
2312 | ||
2313 | gdb_assert (show_cmd->var.has_value ()); | |
2314 | ||
2315 | return value_from_setting (*show_cmd->var, gdbarch); | |
9ad9b77d PW |
2316 | } |
2317 | ||
2318 | /* Implementation of the convenience function $_gdb_maint_setting. */ | |
2319 | ||
2320 | static struct value * | |
2321 | gdb_maint_setting_internal_fn (struct gdbarch *gdbarch, | |
2322 | const struct language_defn *language, | |
2323 | void *cookie, int argc, struct value **argv) | |
2324 | { | |
1d7fe7f0 LS |
2325 | cmd_list_element *show_cmd |
2326 | = setting_cmd ("$_gdb_maint_setting", maintenance_show_cmdlist, argc, argv); | |
2327 | ||
2328 | gdb_assert (show_cmd->var.has_value ()); | |
2329 | ||
2330 | return value_from_setting (*show_cmd->var, gdbarch); | |
9ad9b77d PW |
2331 | } |
2332 | ||
2333 | /* Builds a string value from the show CMD. */ | |
2334 | ||
2335 | static struct value * | |
1d7fe7f0 | 2336 | str_value_from_setting (const setting &var, struct gdbarch *gdbarch) |
9ad9b77d | 2337 | { |
1d7fe7f0 | 2338 | switch (var.type ()) |
9ad9b77d | 2339 | { |
7aeb03e2 | 2340 | case var_uinteger: |
9ad9b77d | 2341 | case var_integer: |
7aeb03e2 | 2342 | case var_pinteger: |
9ad9b77d | 2343 | case var_boolean: |
9ad9b77d | 2344 | case var_auto_boolean: |
9ad9b77d | 2345 | { |
1d7fe7f0 | 2346 | std::string cmd_val = get_setshow_command_value_string (var); |
9ad9b77d PW |
2347 | |
2348 | return value_cstring (cmd_val.c_str (), cmd_val.size (), | |
2349 | builtin_type (gdbarch)->builtin_char); | |
2350 | } | |
2351 | ||
2352 | case var_string: | |
2353 | case var_string_noescape: | |
2354 | case var_optional_filename: | |
2355 | case var_filename: | |
2356 | case var_enum: | |
2357 | /* For these cases, we do not use get_setshow_command_value_string, | |
2358 | as this function handle some characters specially, e.g. by | |
1d7fe7f0 LS |
2359 | escaping quotevar. So, we directly use the var string value, |
2360 | similarly to the value_from_setting code for these casevar. */ | |
2361 | { | |
2362 | const char *value; | |
e0700ba4 | 2363 | size_t len; |
1d7fe7f0 | 2364 | if (var.type () == var_enum) |
e0700ba4 SM |
2365 | { |
2366 | value = var.get<const char *> (); | |
2367 | len = strlen (value); | |
2368 | } | |
1d7fe7f0 | 2369 | else |
e0700ba4 SM |
2370 | { |
2371 | const std::string &st = var.get<std::string> (); | |
2372 | value = st.c_str (); | |
2373 | len = st.length (); | |
2374 | } | |
9ad9b77d | 2375 | |
e0700ba4 SM |
2376 | if (len > 0) |
2377 | return value_cstring (value, len, | |
1d7fe7f0 LS |
2378 | builtin_type (gdbarch)->builtin_char); |
2379 | else | |
2380 | return value_cstring ("", 1, | |
2381 | builtin_type (gdbarch)->builtin_char); | |
2382 | } | |
9ad9b77d PW |
2383 | default: |
2384 | gdb_assert_not_reached ("bad var_type"); | |
2385 | } | |
2386 | } | |
2387 | ||
2388 | /* Implementation of the convenience function $_gdb_setting_str. */ | |
2389 | ||
2390 | static struct value * | |
2391 | gdb_setting_str_internal_fn (struct gdbarch *gdbarch, | |
2392 | const struct language_defn *language, | |
2393 | void *cookie, int argc, struct value **argv) | |
2394 | { | |
1d7fe7f0 LS |
2395 | cmd_list_element *show_cmd |
2396 | = setting_cmd ("$_gdb_setting_str", showlist, argc, argv); | |
2397 | ||
2398 | gdb_assert (show_cmd->var.has_value ()); | |
2399 | ||
2400 | return str_value_from_setting (*show_cmd->var, gdbarch); | |
9ad9b77d PW |
2401 | } |
2402 | ||
2403 | ||
2404 | /* Implementation of the convenience function $_gdb_maint_setting_str. */ | |
2405 | ||
2406 | static struct value * | |
2407 | gdb_maint_setting_str_internal_fn (struct gdbarch *gdbarch, | |
2408 | const struct language_defn *language, | |
2409 | void *cookie, int argc, struct value **argv) | |
2410 | { | |
1d7fe7f0 LS |
2411 | cmd_list_element *show_cmd |
2412 | = setting_cmd ("$_gdb_maint_setting_str", maintenance_show_cmdlist, argc, | |
2413 | argv); | |
2414 | ||
2415 | gdb_assert (show_cmd->var.has_value ()); | |
2416 | ||
2417 | return str_value_from_setting (*show_cmd->var, gdbarch); | |
9ad9b77d PW |
2418 | } |
2419 | ||
6c265988 | 2420 | void _initialize_cli_cmds (); |
d318976c | 2421 | void |
6c265988 | 2422 | _initialize_cli_cmds () |
d318976c FN |
2423 | { |
2424 | struct cmd_list_element *c; | |
2425 | ||
2426 | /* Define the classes of commands. | |
1bfeeb0f | 2427 | They will appear in the help list in alphabetical order. */ |
d318976c | 2428 | |
0450cc4c | 2429 | add_cmd ("internals", class_maintenance, _("\ |
1a966eab | 2430 | Maintenance commands.\n\ |
d318976c FN |
2431 | Some gdb commands are provided just for use by gdb maintainers.\n\ |
2432 | These commands are subject to frequent change, and may not be as\n\ | |
1a966eab | 2433 | well documented as user commands."), |
d318976c | 2434 | &cmdlist); |
0450cc4c TT |
2435 | add_cmd ("obscure", class_obscure, _("Obscure features."), &cmdlist); |
2436 | add_cmd ("aliases", class_alias, | |
cf00cd6f | 2437 | _("User-defined aliases of other commands."), &cmdlist); |
0450cc4c | 2438 | add_cmd ("user-defined", class_user, _("\ |
1a966eab | 2439 | User-defined commands.\n\ |
d318976c | 2440 | The commands in this class are those defined by the user.\n\ |
1a966eab | 2441 | Use the \"define\" command to define a command."), &cmdlist); |
0450cc4c | 2442 | add_cmd ("support", class_support, _("Support facilities."), &cmdlist); |
49a82d50 | 2443 | add_cmd ("status", class_info, _("Status inquiries."), &cmdlist); |
0450cc4c | 2444 | add_cmd ("files", class_files, _("Specifying and examining files."), |
1a966eab | 2445 | &cmdlist); |
0450cc4c | 2446 | add_cmd ("breakpoints", class_breakpoint, |
1a966eab | 2447 | _("Making program stop at certain points."), &cmdlist); |
0450cc4c TT |
2448 | add_cmd ("data", class_vars, _("Examining data."), &cmdlist); |
2449 | add_cmd ("stack", class_stack, _("\ | |
1a966eab | 2450 | Examining the stack.\n\ |
d318976c FN |
2451 | The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\ |
2452 | counting from zero for the innermost (currently executing) frame.\n\n\ | |
2453 | At any time gdb identifies one frame as the \"selected\" frame.\n\ | |
2454 | Variable lookups are done with respect to the selected frame.\n\ | |
2455 | When the program being debugged stops, gdb selects the innermost frame.\n\ | |
1a966eab | 2456 | The commands below can be used to select other frames by number or address."), |
d318976c | 2457 | &cmdlist); |
e98d2e6d PW |
2458 | #ifdef TUI |
2459 | add_cmd ("text-user-interface", class_tui, | |
2460 | _("TUI is the GDB text based interface.\n\ | |
2461 | In TUI mode, GDB can display several text windows showing\n\ | |
2462 | the source file, the processor registers, the program disassembly, ..."), &cmdlist); | |
2463 | #endif | |
0450cc4c | 2464 | add_cmd ("running", class_run, _("Running the program."), &cmdlist); |
d318976c | 2465 | |
ebcd3b23 | 2466 | /* Define general commands. */ |
d318976c | 2467 | |
d729566a | 2468 | add_com ("pwd", class_files, pwd_command, _("\ |
590042fc PW |
2469 | Print working directory.\n\ |
2470 | This is used for your program as well.")); | |
4f8d22e3 | 2471 | |
1a966eab | 2472 | c = add_cmd ("cd", class_files, cd_command, _("\ |
d092c5a2 SDJ |
2473 | Set working directory to DIR for debugger.\n\ |
2474 | The debugger's current working directory specifies where scripts and other\n\ | |
2475 | files that can be loaded by GDB are located.\n\ | |
2476 | In order to change the inferior's current working directory, the recommended\n\ | |
2477 | way is to use the \"set cwd\" command."), &cmdlist); | |
5ba2abeb | 2478 | set_cmd_completer (c, filename_completer); |
d318976c | 2479 | |
1bedd215 AC |
2480 | add_com ("echo", class_support, echo_command, _("\ |
2481 | Print a constant string. Give string as argument.\n\ | |
d318976c FN |
2482 | C escape sequences may be used in the argument.\n\ |
2483 | No newline is added at the end of the argument;\n\ | |
2484 | use \"\\n\" if you want a newline to be printed.\n\ | |
2485 | Since leading and trailing whitespace are ignored in command arguments,\n\ | |
2486 | if you want to print some you must use \"\\\" before leading whitespace\n\ | |
1bedd215 | 2487 | to be printed or after trailing whitespace.")); |
d318976c | 2488 | |
973817a3 JB |
2489 | add_setshow_enum_cmd ("script-extension", class_support, |
2490 | script_ext_enums, &script_ext_mode, _("\ | |
2491 | Set mode for script filename extension recognition."), _("\ | |
2492 | Show mode for script filename extension recognition."), _("\ | |
2493 | off == no filename extension recognition (all sourced files are GDB scripts)\n\ | |
2494 | soft == evaluate script according to filename extension, fallback to GDB script" | |
2495 | "\n\ | |
2496 | strict == evaluate script according to filename extension, error if not supported" | |
2497 | ), | |
2498 | NULL, | |
2499 | show_script_ext_mode, | |
2500 | &setlist, &showlist); | |
2501 | ||
3947f654 SM |
2502 | cmd_list_element *quit_cmd |
2503 | = add_com ("quit", class_support, quit_command, _("\ | |
bdb52a22 | 2504 | Exit gdb.\n\ |
fa8f0a0f | 2505 | Usage: quit [EXPR] or exit [EXPR]\n\ |
bdb52a22 TT |
2506 | The optional expression EXPR, if present, is evaluated and the result\n\ |
2507 | used as GDB's exit code. The default is zero.")); | |
3947f654 SM |
2508 | cmd_list_element *help_cmd |
2509 | = add_com ("help", class_support, help_command, | |
1bedd215 | 2510 | _("Print list of commands.")); |
3947f654 SM |
2511 | set_cmd_completer (help_cmd, command_completer); |
2512 | add_com_alias ("q", quit_cmd, class_support, 1); | |
fa8f0a0f | 2513 | add_com_alias ("exit", quit_cmd, class_support, 1); |
3947f654 | 2514 | add_com_alias ("h", help_cmd, class_support, 1); |
d318976c | 2515 | |
5bf193a2 AC |
2516 | add_setshow_boolean_cmd ("verbose", class_support, &info_verbose, _("\ |
2517 | Set verbosity."), _("\ | |
2518 | Show verbosity."), NULL, | |
2519 | set_verbose, | |
920d2a44 | 2520 | show_info_verbose, |
5bf193a2 | 2521 | &setlist, &showlist); |
d318976c | 2522 | |
f54bdb6d SM |
2523 | add_setshow_prefix_cmd |
2524 | ("history", class_support, | |
2525 | _("Generic command for setting command history parameters."), | |
2526 | _("Generic command for showing command history parameters."), | |
2527 | &sethistlist, &showhistlist, &setlist, &showlist); | |
d318976c | 2528 | |
5bf193a2 AC |
2529 | add_setshow_boolean_cmd ("expansion", no_class, &history_expansion_p, _("\ |
2530 | Set history expansion on command input."), _("\ | |
2531 | Show history expansion on command input."), _("\ | |
2532 | Without an argument, history expansion is enabled."), | |
2533 | NULL, | |
920d2a44 | 2534 | show_history_expansion_p, |
5bf193a2 | 2535 | &sethistlist, &showhistlist); |
d318976c | 2536 | |
3947f654 SM |
2537 | cmd_list_element *info_cmd |
2538 | = add_prefix_cmd ("info", class_info, info_command, _("\ | |
1bedd215 | 2539 | Generic command for showing things about the program being debugged."), |
3947f654 SM |
2540 | &infolist, 0, &cmdlist); |
2541 | add_com_alias ("i", info_cmd, class_info, 1); | |
2542 | add_com_alias ("inf", info_cmd, class_info, 1); | |
d318976c FN |
2543 | |
2544 | add_com ("complete", class_obscure, complete_command, | |
1bedd215 | 2545 | _("List the completions for the rest of the line as a command.")); |
d318976c | 2546 | |
a7b9ceb8 | 2547 | c = add_show_prefix_cmd ("show", class_info, _("\ |
700b53b1 | 2548 | Generic command for showing things about the debugger."), |
2f822da5 | 2549 | &showlist, 0, &cmdlist); |
d318976c | 2550 | /* Another way to get at the same thing. */ |
a7b9ceb8 | 2551 | add_alias_cmd ("set", c, class_info, 0, &infolist); |
d318976c | 2552 | |
3947f654 SM |
2553 | cmd_list_element *with_cmd |
2554 | = add_com ("with", class_vars, with_command, _("\ | |
fdbc9870 PA |
2555 | Temporarily set SETTING to VALUE, run COMMAND, and restore SETTING.\n\ |
2556 | Usage: with SETTING [VALUE] [-- COMMAND]\n\ | |
2557 | Usage: w SETTING [VALUE] [-- COMMAND]\n\ | |
2558 | With no COMMAND, repeats the last executed command.\n\ | |
2559 | \n\ | |
2560 | SETTING is any setting you can change with the \"set\" subcommands.\n\ | |
2561 | E.g.:\n\ | |
2562 | with language pascal -- print obj\n\ | |
2563 | with print elements unlimited -- print obj\n\ | |
2564 | \n\ | |
2565 | You can change multiple settings using nested with, and use\n\ | |
2566 | abbreviations for commands and/or values. E.g.:\n\ | |
2567 | w la p -- w p el u -- p obj")); | |
3947f654 SM |
2568 | set_cmd_completer_handle_brkchars (with_cmd, with_command_completer); |
2569 | add_com_alias ("w", with_cmd, class_vars, 1); | |
fdbc9870 | 2570 | |
9ad9b77d PW |
2571 | add_internal_function ("_gdb_setting_str", _("\ |
2572 | $_gdb_setting_str - returns the value of a GDB setting as a string.\n\ | |
2573 | Usage: $_gdb_setting_str (setting)\n\ | |
2574 | \n\ | |
2575 | auto-boolean values are \"off\", \"on\", \"auto\".\n\ | |
2576 | boolean values are \"off\", \"on\".\n\ | |
2577 | Some integer settings accept an unlimited value, returned\n\ | |
2578 | as \"unlimited\"."), | |
2579 | gdb_setting_str_internal_fn, NULL); | |
2580 | ||
2581 | add_internal_function ("_gdb_setting", _("\ | |
2582 | $_gdb_setting - returns the value of a GDB setting.\n\ | |
2583 | Usage: $_gdb_setting (setting)\n\ | |
2584 | auto-boolean values are \"off\", \"on\", \"auto\".\n\ | |
2585 | boolean values are \"off\", \"on\".\n\ | |
2586 | Some integer settings accept an unlimited value, returned\n\ | |
2587 | as 0 or -1 depending on the setting."), | |
2588 | gdb_setting_internal_fn, NULL); | |
2589 | ||
2590 | add_internal_function ("_gdb_maint_setting_str", _("\ | |
2591 | $_gdb_maint_setting_str - returns the value of a GDB maintenance setting as a string.\n\ | |
2592 | Usage: $_gdb_maint_setting_str (setting)\n\ | |
2593 | \n\ | |
2594 | auto-boolean values are \"off\", \"on\", \"auto\".\n\ | |
2595 | boolean values are \"off\", \"on\".\n\ | |
2596 | Some integer settings accept an unlimited value, returned\n\ | |
2597 | as \"unlimited\"."), | |
2598 | gdb_maint_setting_str_internal_fn, NULL); | |
2599 | ||
2600 | add_internal_function ("_gdb_maint_setting", _("\ | |
2601 | $_gdb_maint_setting - returns the value of a GDB maintenance setting.\n\ | |
2602 | Usage: $_gdb_maint_setting (setting)\n\ | |
2603 | auto-boolean values are \"off\", \"on\", \"auto\".\n\ | |
2604 | boolean values are \"off\", \"on\".\n\ | |
2605 | Some integer settings accept an unlimited value, returned\n\ | |
2606 | as 0 or -1 depending on the setting."), | |
2607 | gdb_maint_setting_internal_fn, NULL); | |
2608 | ||
db5f229b | 2609 | add_cmd ("commands", no_set_class, show_commands, _("\ |
1a966eab | 2610 | Show the history of commands you typed.\n\ |
d318976c | 2611 | You can supply a command number to start with, or a `+' to start after\n\ |
1a966eab | 2612 | the previous command number shown."), |
d318976c FN |
2613 | &showlist); |
2614 | ||
db5f229b | 2615 | add_cmd ("version", no_set_class, show_version, |
1a966eab | 2616 | _("Show what version of GDB this is."), &showlist); |
d318976c | 2617 | |
6eaaf48b EZ |
2618 | add_cmd ("configuration", no_set_class, show_configuration, |
2619 | _("Show how GDB was configured at build time."), &showlist); | |
2620 | ||
f54bdb6d SM |
2621 | add_setshow_prefix_cmd ("debug", no_class, |
2622 | _("Generic command for setting gdb debugging flags."), | |
2623 | _("Generic command for showing gdb debugging flags."), | |
2624 | &setdebuglist, &showdebuglist, | |
2625 | &setlist, &showlist); | |
d318976c | 2626 | |
3947f654 SM |
2627 | cmd_list_element *shell_cmd |
2628 | = add_com ("shell", class_support, shell_command, _("\ | |
1bedd215 AC |
2629 | Execute the rest of the line as a shell command.\n\ |
2630 | With no arguments, run an inferior shell.")); | |
3947f654 | 2631 | set_cmd_completer (shell_cmd, filename_completer); |
d318976c | 2632 | |
3947f654 | 2633 | add_com_alias ("!", shell_cmd, class_support, 0); |
d563b953 | 2634 | |
1bedd215 AC |
2635 | c = add_com ("edit", class_files, edit_command, _("\ |
2636 | Edit specified file or function.\n\ | |
0378c332 | 2637 | With no argument, edits file containing most recent line listed.\n\ |
0378c332 FN |
2638 | Editing targets can be specified in these ways:\n\ |
2639 | FILE:LINENUM, to edit at that line in that file,\n\ | |
2640 | FUNCTION, to edit at the beginning of that function,\n\ | |
2641 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
2642 | *ADDRESS, to edit at the line containing that address.\n\ | |
1bedd215 | 2643 | Uses EDITOR environment variable contents as editor (or ex as default).")); |
0378c332 FN |
2644 | |
2645 | c->completer = location_completer; | |
2646 | ||
3947f654 SM |
2647 | cmd_list_element *pipe_cmd |
2648 | = add_com ("pipe", class_support, pipe_command, _("\ | |
947d3946 PW |
2649 | Send the output of a gdb command to a shell command.\n\ |
2650 | Usage: | [COMMAND] | SHELL_COMMAND\n\ | |
2651 | Usage: | -d DELIM COMMAND DELIM SHELL_COMMAND\n\ | |
2652 | Usage: pipe [COMMAND] | SHELL_COMMAND\n\ | |
2653 | Usage: pipe -d DELIM COMMAND DELIM SHELL_COMMAND\n\ | |
2654 | \n\ | |
2655 | Executes COMMAND and sends its output to SHELL_COMMAND.\n\ | |
2656 | \n\ | |
2657 | The -d option indicates to use the string DELIM to separate COMMAND\n\ | |
2658 | from SHELL_COMMAND, in alternative to |. This is useful in\n\ | |
2659 | case COMMAND contains a | character.\n\ | |
2660 | \n\ | |
2661 | With no COMMAND, repeat the last executed command\n\ | |
2662 | and send its output to SHELL_COMMAND.")); | |
3947f654 SM |
2663 | set_cmd_completer_handle_brkchars (pipe_cmd, pipe_command_completer); |
2664 | add_com_alias ("|", pipe_cmd, class_support, 0); | |
947d3946 | 2665 | |
3947f654 SM |
2666 | cmd_list_element *list_cmd |
2667 | = add_com ("list", class_files, list_command, _("\ | |
1bedd215 | 2668 | List specified function or line.\n\ |
0378c332 FN |
2669 | With no argument, lists ten more lines after or around previous listing.\n\ |
2670 | \"list -\" lists the ten lines before a previous ten-line listing.\n\ | |
2671 | One argument specifies a line, and ten lines are listed around that line.\n\ | |
2672 | Two arguments with comma between specify starting and ending lines to list.\n\ | |
0378c332 FN |
2673 | Lines can be specified in these ways:\n\ |
2674 | LINENUM, to list around that line in current file,\n\ | |
2675 | FILE:LINENUM, to list around that line in that file,\n\ | |
2676 | FUNCTION, to list around beginning of that function,\n\ | |
2677 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
2678 | *ADDRESS, to list around the line containing that address.\n\ | |
4fdd372d AB |
2679 | With two args, if one is empty, it stands for ten lines away from\n\ |
2680 | the other arg.\n\ | |
2681 | \n\ | |
2682 | By default, when a single location is given, display ten lines.\n\ | |
2683 | This can be changed using \"set listsize\", and the current value\n\ | |
2684 | can be shown using \"show listsize\".")); | |
0378c332 | 2685 | |
3947f654 | 2686 | add_com_alias ("l", list_cmd, class_files, 1); |
0378c332 | 2687 | |
1bedd215 AC |
2688 | c = add_com ("disassemble", class_vars, disassemble_command, _("\ |
2689 | Disassemble a specified section of memory.\n\ | |
16f3242c | 2690 | Usage: disassemble[/m|/r|/s] START [, END]\n\ |
83c31e7d | 2691 | Default is the function surrounding the pc of the selected frame.\n\ |
6ff0ba5f | 2692 | \n\ |
16f3242c TT |
2693 | With a /s modifier, source lines are included (if available).\n\ |
2694 | In this mode, the output is displayed in PC address order, and\n\ | |
2695 | file names and contents for all relevant source files are displayed.\n\ | |
2696 | \n\ | |
d14508fe | 2697 | With a /m modifier, source lines are included (if available).\n\ |
6ff0ba5f DE |
2698 | This view is \"source centric\": the output is in source line order,\n\ |
2699 | regardless of any optimization that is present. Only the main source file\n\ | |
2700 | is displayed, not those of, e.g., any inlined functions.\n\ | |
2701 | This modifier hasn't proved useful in practice and is deprecated\n\ | |
2702 | in favor of /s.\n\ | |
2703 | \n\ | |
e6158f16 | 2704 | With a /r modifier, raw instructions in hex are included.\n\ |
6ff0ba5f | 2705 | \n\ |
83c31e7d | 2706 | With a single argument, the function surrounding that address is dumped.\n\ |
53a71c06 | 2707 | Two arguments (separated by a comma) are taken as a range of memory to dump,\n\ |
7e1e0340 DE |
2708 | in the form of \"start,end\", or \"start,+length\".\n\ |
2709 | \n\ | |
2710 | Note that the address is interpreted as an expression, not as a location\n\ | |
2711 | like in the \"break\" command.\n\ | |
2712 | So, for example, if you want to disassemble function bar in file foo.c\n\ | |
2713 | you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\".")); | |
83c31e7d | 2714 | set_cmd_completer (c, location_completer); |
0378c332 | 2715 | |
1bedd215 AC |
2716 | c = add_com ("make", class_support, make_command, _("\ |
2717 | Run the ``make'' program using the rest of the line as arguments.")); | |
5ba2abeb | 2718 | set_cmd_completer (c, filename_completer); |
cc81bc2d | 2719 | c = add_cmd ("user", no_class, show_user, _("\ |
ed3ef339 | 2720 | Show definitions of non-python/scheme user defined commands.\n\ |
d318976c | 2721 | Argument is the name of the user defined command.\n\ |
1a966eab | 2722 | With no argument, show definitions of all user defined commands."), &showlist); |
cc81bc2d | 2723 | set_cmd_completer (c, show_user_completer); |
66d8c862 | 2724 | add_com ("apropos", class_support, apropos_command, _("\ |
590042fc | 2725 | Search for commands matching a REGEXP.\n\ |
66d8c862 PW |
2726 | Usage: apropos [-v] REGEXP\n\ |
2727 | Flag -v indicates to produce a verbose output, showing full documentation\n\ | |
2728 | of the matching commands.")); | |
20f01a46 | 2729 | |
883b9c6c | 2730 | add_setshow_uinteger_cmd ("max-user-call-depth", no_class, |
c0d88b1b | 2731 | &max_user_call_depth, _("\ |
ed3ef339 DE |
2732 | Set the max call depth for non-python/scheme user-defined commands."), _("\ |
2733 | Show the max call depth for non-python/scheme user-defined commands."), NULL, | |
883b9c6c YQ |
2734 | NULL, |
2735 | show_max_user_call_depth, | |
2736 | &setlist, &showlist); | |
16026cd7 AS |
2737 | |
2738 | add_setshow_boolean_cmd ("trace-commands", no_class, &trace_commands, _("\ | |
2739 | Set tracing of GDB CLI commands."), _("\ | |
2740 | Show state of GDB CLI command tracing."), _("\ | |
2741 | When 'on', each command is displayed as it is executed."), | |
2742 | NULL, | |
2743 | NULL, | |
2744 | &setlist, &showlist); | |
5a56e9c5 | 2745 | |
cf00cd6f PW |
2746 | const auto alias_opts = make_alias_options_def_group (nullptr); |
2747 | ||
2748 | static std::string alias_help | |
2749 | = gdb::option::build_help (_("\ | |
5a56e9c5 | 2750 | Define a new command that is an alias of an existing command.\n\ |
cf00cd6f | 2751 | Usage: alias [-a] [--] ALIAS = COMMAND [DEFAULT-ARGS...]\n\ |
5a56e9c5 DE |
2752 | ALIAS is the name of the alias command to create.\n\ |
2753 | COMMAND is the command being aliased to.\n\ | |
cf00cd6f PW |
2754 | \n\ |
2755 | Options:\n\ | |
2756 | %OPTIONS%\n\ | |
2757 | \n\ | |
2758 | GDB will automatically prepend the provided DEFAULT-ARGS to the list\n\ | |
2759 | of arguments explicitly provided when using ALIAS.\n\ | |
2760 | Use \"help aliases\" to list all user defined aliases and their default args.\n\ | |
5a56e9c5 DE |
2761 | \n\ |
2762 | Examples:\n\ | |
2763 | Make \"spe\" an alias of \"set print elements\":\n\ | |
e0c45ded | 2764 | alias spe = set print elements\n\ |
5a56e9c5 | 2765 | Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\ |
e0c45ded | 2766 | alias -a set print elms = set print elements\n\ |
cf00cd6f PW |
2767 | Make \"btf\" an alias of \"backtrace -full -past-entry -past-main\" :\n\ |
2768 | alias btf = backtrace -full -past-entry -past-main\n\ | |
2769 | Make \"wLapPeu\" an alias of 2 nested \"with\":\n\ | |
2770 | alias wLapPeu = with language pascal -- with print elements unlimited --"), | |
2771 | alias_opts); | |
2772 | ||
2773 | c = add_com ("alias", class_support, alias_command, | |
2774 | alias_help.c_str ()); | |
2775 | ||
2776 | set_cmd_completer_handle_brkchars (c, alias_command_completer); | |
43e4916f | 2777 | |
61fb7376 TBA |
2778 | add_setshow_boolean_cmd ("suppress-cli-notifications", no_class, |
2779 | &user_wants_cli_suppress_notification, | |
2780 | _("\ | |
2781 | Set whether printing notifications on CLI is suppressed."), _("\ | |
2782 | Show whether printing notifications on CLI is suppressed."), _("\ | |
2783 | When on, printing notifications (such as inferior/thread switch)\n\ | |
2784 | on CLI is suppressed."), | |
2785 | set_suppress_cli_notifications, | |
2786 | show_suppress_cli_notifications, | |
2787 | &setlist, | |
2788 | &showlist); | |
2789 | ||
b777eb6d | 2790 | const char *source_help_text = xstrprintf (_("\ |
43e4916f TT |
2791 | Read commands from a file named FILE.\n\ |
2792 | \n\ | |
2793 | Usage: source [-s] [-v] FILE\n\ | |
2794 | -s: search for the script in the source search path,\n\ | |
2795 | even if FILE contains directories.\n\ | |
2796 | -v: each command in FILE is echoed as it is executed.\n\ | |
2797 | \n\ | |
2798 | Note that the file \"%s\" is read automatically in this way\n\ | |
8579fd13 | 2799 | when GDB is started."), GDBINIT).release (); |
43e4916f TT |
2800 | c = add_cmd ("source", class_support, source_command, |
2801 | source_help_text, &cmdlist); | |
2802 | set_cmd_completer (c, filename_completer); | |
2803 | } |