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d318976c | 1 | /* GDB CLI commands. |
8926118c | 2 | |
3666a048 | 3 | Copyright (C) 2000-2021 Free Software Foundation, Inc. |
d318976c FN |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
d318976c FN |
10 | (at your option) any later version. |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
d318976c FN |
19 | |
20 | #include "defs.h" | |
13274fc3 | 21 | #include "arch-utils.h" |
dbda9972 | 22 | #include "readline/tilde.h" |
d318976c | 23 | #include "completer.h" |
ebcd3b23 | 24 | #include "target.h" /* For baud_rate, remote_debug and remote_timeout. */ |
268a13a5 | 25 | #include "gdbsupport/gdb_wait.h" /* For shell escape implementation. */ |
947d3946 | 26 | #include "gdbcmd.h" |
ebcd3b23 | 27 | #include "gdb_regex.h" /* Used by apropos_command. */ |
325ed089 | 28 | #include "gdb_vfork.h" |
0378c332 FN |
29 | #include "linespec.h" |
30 | #include "expression.h" | |
83c31e7d FN |
31 | #include "frame.h" |
32 | #include "value.h" | |
0378c332 | 33 | #include "language.h" |
ebcd3b23 | 34 | #include "filenames.h" /* For DOSish file names. */ |
0378c332 FN |
35 | #include "objfiles.h" |
36 | #include "source.h" | |
83c31e7d | 37 | #include "disasm.h" |
33da3f1c | 38 | #include "tracepoint.h" |
268a13a5 | 39 | #include "gdbsupport/filestuff.h" |
f00aae0f | 40 | #include "location.h" |
e9480230 | 41 | #include "block.h" |
d318976c | 42 | |
d318976c | 43 | #include "ui-out.h" |
947d3946 | 44 | #include "interps.h" |
d318976c FN |
45 | |
46 | #include "top.h" | |
47 | #include "cli/cli-decode.h" | |
48 | #include "cli/cli-script.h" | |
49 | #include "cli/cli-setshow.h" | |
50 | #include "cli/cli-cmds.h" | |
14309bb6 | 51 | #include "cli/cli-style.h" |
529480d0 | 52 | #include "cli/cli-utils.h" |
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. */ |
883b9c6c | 79 | unsigned int max_user_call_depth; |
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 AS |
170 | |
171 | /* Command tracing state. */ | |
172 | ||
173 | int source_verbose = 0; | |
491144b5 | 174 | bool trace_commands = false; |
d318976c | 175 | \f |
973817a3 JB |
176 | /* 'script-extension' option support. */ |
177 | ||
178 | static const char script_ext_off[] = "off"; | |
179 | static const char script_ext_soft[] = "soft"; | |
180 | static const char script_ext_strict[] = "strict"; | |
181 | ||
40478521 | 182 | static const char *const script_ext_enums[] = { |
973817a3 JB |
183 | script_ext_off, |
184 | script_ext_soft, | |
185 | script_ext_strict, | |
186 | NULL | |
187 | }; | |
188 | ||
189 | static const char *script_ext_mode = script_ext_soft; | |
190 | \f | |
d318976c | 191 | /* Utility used everywhere when at least one argument is needed and |
ebcd3b23 | 192 | none is supplied. */ |
d318976c FN |
193 | |
194 | void | |
5b10184c | 195 | error_no_arg (const char *why) |
d318976c | 196 | { |
8a3fe4f8 | 197 | error (_("Argument required (%s)."), why); |
d318976c FN |
198 | } |
199 | ||
4fd6c7e8 TT |
200 | /* This implements the "info" prefix command. Normally such commands |
201 | are automatically handled by add_basic_prefix_cmd, but in this case | |
202 | a separate command is used so that it can be hooked into by | |
203 | gdb-gdb.gdb. */ | |
204 | ||
205 | static void | |
206 | info_command (const char *arg, int from_tty) | |
207 | { | |
208 | help_list (infolist, "info ", all_commands, gdb_stdout); | |
209 | } | |
210 | ||
fdbc9870 PA |
211 | /* See cli/cli-cmds.h. */ |
212 | ||
213 | void | |
214 | with_command_1 (const char *set_cmd_prefix, | |
215 | cmd_list_element *setlist, const char *args, int from_tty) | |
216 | { | |
26c957f1 PA |
217 | if (args == nullptr) |
218 | error (_("Missing arguments.")); | |
219 | ||
fdbc9870 PA |
220 | const char *delim = strstr (args, "--"); |
221 | const char *nested_cmd = nullptr; | |
222 | ||
223 | if (delim == args) | |
224 | error (_("Missing setting before '--' delimiter")); | |
225 | ||
226 | if (delim == nullptr || *skip_spaces (&delim[2]) == '\0') | |
227 | nested_cmd = repeat_previous (); | |
228 | ||
229 | cmd_list_element *set_cmd = lookup_cmd (&args, setlist, set_cmd_prefix, | |
cf00cd6f | 230 | nullptr, |
fdbc9870 PA |
231 | /*allow_unknown=*/ 0, |
232 | /*ignore_help_classes=*/ 1); | |
233 | gdb_assert (set_cmd != nullptr); | |
234 | ||
235 | if (set_cmd->var == nullptr) | |
236 | error (_("Cannot use this setting with the \"with\" command")); | |
237 | ||
238 | std::string temp_value | |
239 | = (delim == nullptr ? args : std::string (args, delim - args)); | |
240 | ||
241 | if (nested_cmd == nullptr) | |
242 | nested_cmd = skip_spaces (delim + 2); | |
243 | ||
244 | std::string org_value = get_setshow_command_value_string (set_cmd); | |
245 | ||
246 | /* Tweak the setting to the new temporary value. */ | |
247 | do_set_command (temp_value.c_str (), from_tty, set_cmd); | |
248 | ||
249 | try | |
250 | { | |
251 | scoped_restore save_async = make_scoped_restore (¤t_ui->async, 0); | |
252 | ||
253 | /* Execute the nested command. */ | |
254 | execute_command (nested_cmd, from_tty); | |
255 | } | |
256 | catch (const gdb_exception &ex) | |
257 | { | |
258 | /* Restore the setting and rethrow. If restoring the setting | |
259 | throws, swallow the new exception and warn. There's nothing | |
260 | else we can reasonably do. */ | |
261 | try | |
262 | { | |
263 | do_set_command (org_value.c_str (), from_tty, set_cmd); | |
264 | } | |
265 | catch (const gdb_exception &ex2) | |
266 | { | |
267 | warning (_("Couldn't restore setting: %s"), ex2.what ()); | |
268 | } | |
269 | ||
270 | throw; | |
271 | } | |
272 | ||
273 | /* Restore the setting. */ | |
274 | do_set_command (org_value.c_str (), from_tty, set_cmd); | |
275 | } | |
276 | ||
277 | /* See cli/cli-cmds.h. */ | |
278 | ||
279 | void | |
280 | with_command_completer_1 (const char *set_cmd_prefix, | |
281 | completion_tracker &tracker, | |
282 | const char *text) | |
283 | { | |
284 | tracker.set_use_custom_word_point (true); | |
285 | ||
286 | const char *delim = strstr (text, "--"); | |
287 | ||
288 | /* If we're still not past the "--" delimiter, complete the "with" | |
289 | command as if it was a "set" command. */ | |
290 | if (delim == text | |
291 | || delim == nullptr | |
292 | || !isspace (delim[-1]) | |
293 | || !(isspace (delim[2]) || delim[2] == '\0')) | |
294 | { | |
295 | std::string new_text = std::string (set_cmd_prefix) + text; | |
296 | tracker.advance_custom_word_point_by (-(int) strlen (set_cmd_prefix)); | |
297 | complete_nested_command_line (tracker, new_text.c_str ()); | |
298 | return; | |
299 | } | |
300 | ||
301 | /* We're past the "--" delimiter. Complete on the sub command. */ | |
302 | const char *nested_cmd = skip_spaces (delim + 2); | |
303 | tracker.advance_custom_word_point_by (nested_cmd - text); | |
304 | complete_nested_command_line (tracker, nested_cmd); | |
305 | } | |
306 | ||
307 | /* The "with" command. */ | |
308 | ||
309 | static void | |
310 | with_command (const char *args, int from_tty) | |
311 | { | |
312 | with_command_1 ("set ", setlist, args, from_tty); | |
313 | } | |
314 | ||
315 | /* "with" command completer. */ | |
316 | ||
317 | static void | |
318 | with_command_completer (struct cmd_list_element *ignore, | |
319 | completion_tracker &tracker, | |
320 | const char *text, const char * /*word*/) | |
321 | { | |
322 | with_command_completer_1 ("set ", tracker, text); | |
323 | } | |
324 | ||
cf00cd6f PW |
325 | /* Look up the contents of TEXT as a command usable with default args. |
326 | Throws an error if no such command is found. | |
327 | Return the found command and advances TEXT past the found command. | |
328 | If the found command is a postfix command, set *PREFIX_CMD to its | |
329 | prefix command. */ | |
330 | ||
331 | static struct cmd_list_element * | |
332 | lookup_cmd_for_default_args (const char **text, | |
333 | struct cmd_list_element **prefix_cmd) | |
334 | { | |
335 | const char *orig_text = *text; | |
336 | struct cmd_list_element *lcmd; | |
337 | ||
338 | if (*text == nullptr || skip_spaces (*text) == nullptr) | |
339 | error (_("ALIAS missing.")); | |
340 | ||
341 | /* We first use lookup_cmd to verify TEXT unambiguously identifies | |
342 | a command. */ | |
343 | lcmd = lookup_cmd (text, cmdlist, "", NULL, | |
344 | /*allow_unknown=*/ 0, | |
345 | /*ignore_help_classes=*/ 1); | |
346 | ||
347 | /* Note that we accept default args for prefix commands, | |
348 | as a prefix command can also be a valid usable | |
349 | command accepting some arguments. | |
350 | For example, "thread apply" applies a command to a | |
351 | list of thread ids, and is also the prefix command for | |
352 | thread apply all. */ | |
353 | ||
354 | /* We have an unambiguous command for which default args | |
355 | can be specified. What remains after having found LCMD | |
356 | is either spaces, or the default args character. */ | |
357 | ||
358 | /* We then use lookup_cmd_composition to detect if the user | |
359 | has specified an alias, and find the possible prefix_cmd | |
360 | of cmd. */ | |
361 | struct cmd_list_element *alias, *cmd; | |
362 | lookup_cmd_composition | |
363 | (std::string (orig_text, *text - orig_text).c_str (), | |
364 | &alias, prefix_cmd, &cmd); | |
365 | gdb_assert (cmd != nullptr); | |
366 | gdb_assert (cmd == lcmd); | |
367 | if (alias != nullptr) | |
368 | cmd = alias; | |
369 | ||
370 | return cmd; | |
371 | } | |
372 | ||
d318976c FN |
373 | /* Provide documentation on command or list given by COMMAND. FROM_TTY |
374 | is ignored. */ | |
375 | ||
d318976c | 376 | static void |
0b39b52e | 377 | help_command (const char *command, int from_tty) |
d318976c FN |
378 | { |
379 | help_cmd (command, gdb_stdout); | |
380 | } | |
381 | \f | |
eb3ff9a5 | 382 | |
ef0b411a GB |
383 | /* Note: The "complete" command is used by Emacs to implement completion. |
384 | [Is that why this function writes output with *_unfiltered?] */ | |
d318976c | 385 | |
d318976c | 386 | static void |
0b39b52e | 387 | complete_command (const char *arg, int from_tty) |
d318976c | 388 | { |
d318976c FN |
389 | dont_repeat (); |
390 | ||
ef0b411a GB |
391 | if (max_completions == 0) |
392 | { | |
393 | /* Only print this for non-mi frontends. An MI frontend may not | |
394 | be able to handle this. */ | |
112e8700 | 395 | if (!current_uiout->is_mi_like_p ()) |
ef0b411a GB |
396 | { |
397 | printf_unfiltered (_("max-completions is zero," | |
398 | " completion is disabled.\n")); | |
399 | } | |
400 | return; | |
401 | } | |
402 | ||
d318976c FN |
403 | if (arg == NULL) |
404 | arg = ""; | |
d9b52655 | 405 | |
6a2c1b87 PA |
406 | int quote_char = '\0'; |
407 | const char *word; | |
408 | ||
6e035501 | 409 | completion_result result = complete (arg, &word, "e_char); |
eb3ff9a5 | 410 | |
eb3ff9a5 PA |
411 | if (result.number_matches != 0) |
412 | { | |
fb7806c7 TV |
413 | std::string arg_prefix (arg, word - arg); |
414 | ||
eb3ff9a5 PA |
415 | if (result.number_matches == 1) |
416 | printf_unfiltered ("%s%s\n", arg_prefix.c_str (), result.match_list[0]); | |
417 | else | |
83d31a92 | 418 | { |
eb3ff9a5 PA |
419 | result.sort_match_list (); |
420 | ||
421 | for (size_t i = 0; i < result.number_matches; i++) | |
83d31a92 | 422 | { |
eb3ff9a5 PA |
423 | printf_unfiltered ("%s%s", |
424 | arg_prefix.c_str (), | |
425 | result.match_list[i + 1]); | |
6a2c1b87 PA |
426 | if (quote_char) |
427 | printf_unfiltered ("%c", quote_char); | |
eb3ff9a5 | 428 | printf_unfiltered ("\n"); |
83d31a92 | 429 | } |
83d31a92 TT |
430 | } |
431 | ||
eb3ff9a5 | 432 | if (result.number_matches == max_completions) |
ef0b411a | 433 | { |
6a2c1b87 | 434 | /* ARG_PREFIX and WORD are included in the output so that emacs |
ef0b411a GB |
435 | will include the message in the output. */ |
436 | printf_unfiltered (_("%s%s %s\n"), | |
6a2c1b87 | 437 | arg_prefix.c_str (), word, |
ef0b411a GB |
438 | get_max_completions_reached_message ()); |
439 | } | |
d318976c FN |
440 | } |
441 | } | |
442 | ||
bbaca940 AC |
443 | int |
444 | is_complete_command (struct cmd_list_element *c) | |
d318976c | 445 | { |
bbaca940 | 446 | return cmd_cfunc_eq (c, complete_command); |
d318976c FN |
447 | } |
448 | ||
d318976c | 449 | static void |
dede02ce | 450 | show_version (const char *args, int from_tty) |
d318976c | 451 | { |
c61b06a1 | 452 | print_gdb_version (gdb_stdout, true); |
d318976c | 453 | printf_filtered ("\n"); |
d318976c FN |
454 | } |
455 | ||
6eaaf48b | 456 | static void |
dede02ce | 457 | show_configuration (const char *args, int from_tty) |
6eaaf48b EZ |
458 | { |
459 | print_gdb_configuration (gdb_stdout); | |
460 | } | |
461 | ||
d318976c FN |
462 | /* Handle the quit command. */ |
463 | ||
464 | void | |
0b39b52e | 465 | quit_command (const char *args, int from_tty) |
d318976c | 466 | { |
36cf1806 TT |
467 | int exit_code = 0; |
468 | ||
469 | /* An optional expression may be used to cause gdb to terminate with | |
470 | the value of that expression. */ | |
471 | if (args) | |
472 | { | |
473 | struct value *val = parse_and_eval (args); | |
474 | ||
475 | exit_code = (int) value_as_long (val); | |
476 | } | |
477 | ||
d318976c | 478 | if (!quit_confirm ()) |
8a3fe4f8 | 479 | error (_("Not confirmed.")); |
d5551862 | 480 | |
2f9d54cf | 481 | query_if_trace_running (from_tty); |
d5551862 | 482 | |
36cf1806 | 483 | quit_force (args ? &exit_code : NULL, from_tty); |
d318976c FN |
484 | } |
485 | ||
d318976c | 486 | static void |
0b39b52e | 487 | pwd_command (const char *args, int from_tty) |
d318976c FN |
488 | { |
489 | if (args) | |
8a3fe4f8 | 490 | error (_("The \"pwd\" command does not take an argument: %s"), args); |
43573013 SDJ |
491 | |
492 | gdb::unique_xmalloc_ptr<char> cwd (getcwd (NULL, 0)); | |
493 | ||
494 | if (cwd == NULL) | |
bf1d7d9c | 495 | error (_("Error finding name of working directory: %s"), |
dda83cd7 | 496 | safe_strerror (errno)); |
d318976c | 497 | |
43573013 | 498 | if (strcmp (cwd.get (), current_directory) != 0) |
14309bb6 TT |
499 | printf_unfiltered (_("Working directory %ps\n (canonically %ps).\n"), |
500 | styled_string (file_name_style.style (), | |
501 | current_directory), | |
502 | styled_string (file_name_style.style (), cwd.get ())); | |
d318976c | 503 | else |
14309bb6 TT |
504 | printf_unfiltered (_("Working directory %ps.\n"), |
505 | styled_string (file_name_style.style (), | |
506 | current_directory)); | |
d318976c FN |
507 | } |
508 | ||
509 | void | |
5e93d4c6 | 510 | cd_command (const char *dir, int from_tty) |
d318976c FN |
511 | { |
512 | int len; | |
513 | /* Found something other than leading repetitions of "/..". */ | |
514 | int found_real_path; | |
515 | char *p; | |
516 | ||
517 | /* If the new directory is absolute, repeat is a no-op; if relative, | |
518 | repeat might be useful but is more likely to be a mistake. */ | |
519 | dont_repeat (); | |
520 | ||
6eecf35f TT |
521 | gdb::unique_xmalloc_ptr<char> dir_holder |
522 | (tilde_expand (dir != NULL ? dir : "~")); | |
523 | dir = dir_holder.get (); | |
d318976c FN |
524 | |
525 | if (chdir (dir) < 0) | |
526 | perror_with_name (dir); | |
527 | ||
c3690141 | 528 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
d318976c FN |
529 | /* There's too much mess with DOSish names like "d:", "d:.", |
530 | "d:./foo" etc. Instead of having lots of special #ifdef'ed code, | |
531 | simply get the canonicalized name of the current directory. */ | |
43573013 SDJ |
532 | gdb::unique_xmalloc_ptr<char> cwd (getcwd (NULL, 0)); |
533 | dir = cwd.get (); | |
d318976c FN |
534 | #endif |
535 | ||
536 | len = strlen (dir); | |
fe4e3eb8 | 537 | if (IS_DIR_SEPARATOR (dir[len - 1])) |
d318976c FN |
538 | { |
539 | /* Remove the trailing slash unless this is a root directory | |
dda83cd7 | 540 | (including a drive letter on non-Unix systems). */ |
d318976c | 541 | if (!(len == 1) /* "/" */ |
c3690141 | 542 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
fe4e3eb8 | 543 | && !(len == 3 && dir[1] == ':') /* "d:/" */ |
d318976c FN |
544 | #endif |
545 | ) | |
546 | len--; | |
547 | } | |
548 | ||
6eecf35f TT |
549 | dir_holder.reset (savestring (dir, len)); |
550 | if (IS_ABSOLUTE_PATH (dir_holder.get ())) | |
43573013 SDJ |
551 | { |
552 | xfree (current_directory); | |
553 | current_directory = dir_holder.release (); | |
554 | } | |
d318976c FN |
555 | else |
556 | { | |
fe4e3eb8 | 557 | if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1])) |
6eecf35f TT |
558 | current_directory = concat (current_directory, dir_holder.get (), |
559 | (char *) NULL); | |
d318976c | 560 | else |
1754f103 | 561 | current_directory = concat (current_directory, SLASH_STRING, |
6eecf35f | 562 | dir_holder.get (), (char *) NULL); |
d318976c FN |
563 | } |
564 | ||
565 | /* Now simplify any occurrences of `.' and `..' in the pathname. */ | |
566 | ||
567 | found_real_path = 0; | |
568 | for (p = current_directory; *p;) | |
569 | { | |
fe4e3eb8 EZ |
570 | if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' |
571 | && (p[2] == 0 || IS_DIR_SEPARATOR (p[2]))) | |
b2a3b509 | 572 | memmove (p, p + 2, strlen (p + 2) + 1); |
fe4e3eb8 EZ |
573 | else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.' |
574 | && (p[3] == 0 || IS_DIR_SEPARATOR (p[3]))) | |
d318976c FN |
575 | { |
576 | if (found_real_path) | |
577 | { | |
578 | /* Search backwards for the directory just before the "/.." | |
dda83cd7 | 579 | and obliterate it and the "/..". */ |
d318976c | 580 | char *q = p; |
cdb27c12 | 581 | |
fe4e3eb8 | 582 | while (q != current_directory && !IS_DIR_SEPARATOR (q[-1])) |
d318976c FN |
583 | --q; |
584 | ||
585 | if (q == current_directory) | |
586 | /* current_directory is | |
587 | a relative pathname ("can't happen"--leave it alone). */ | |
588 | ++p; | |
589 | else | |
590 | { | |
b2a3b509 | 591 | memmove (q - 1, p + 3, strlen (p + 3) + 1); |
d318976c FN |
592 | p = q - 1; |
593 | } | |
594 | } | |
595 | else | |
ebcd3b23 MS |
596 | /* We are dealing with leading repetitions of "/..", for |
597 | example "/../..", which is the Mach super-root. */ | |
d318976c FN |
598 | p += 3; |
599 | } | |
600 | else | |
601 | { | |
602 | found_real_path = 1; | |
603 | ++p; | |
604 | } | |
605 | } | |
606 | ||
607 | forget_cached_source_info (); | |
608 | ||
609 | if (from_tty) | |
610 | pwd_command ((char *) 0, 1); | |
611 | } | |
612 | \f | |
973817a3 JB |
613 | /* Show the current value of the 'script-extension' option. */ |
614 | ||
615 | static void | |
616 | show_script_ext_mode (struct ui_file *file, int from_tty, | |
617 | struct cmd_list_element *c, const char *value) | |
d318976c | 618 | { |
9a2b4c1b MS |
619 | fprintf_filtered (file, |
620 | _("Script filename extension recognition is \"%s\".\n"), | |
973817a3 JB |
621 | value); |
622 | } | |
623 | ||
3f7b2faa DE |
624 | /* Try to open SCRIPT_FILE. |
625 | If successful, the full path name is stored in *FULL_PATHP, | |
ed166945 TT |
626 | and the stream is returned. |
627 | If not successful, return NULL; errno is set for the last file | |
3f7b2faa DE |
628 | we tried to open. |
629 | ||
630 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
f5b95b50 | 631 | search for it in the source search path. */ |
3f7b2faa | 632 | |
ed166945 TT |
633 | gdb::optional<open_script> |
634 | find_and_open_script (const char *script_file, int search_path) | |
973817a3 | 635 | { |
4b505b12 | 636 | int fd; |
24b9144d | 637 | openp_flags search_flags = OPF_TRY_CWD_FIRST | OPF_RETURN_REALPATH; |
ed166945 | 638 | gdb::optional<open_script> opened; |
d318976c | 639 | |
ee0c3293 | 640 | gdb::unique_xmalloc_ptr<char> file (tilde_expand (script_file)); |
d318976c | 641 | |
3f7b2faa DE |
642 | if (search_path) |
643 | search_flags |= OPF_SEARCH_IN_PATH; | |
4b505b12 | 644 | |
3f7b2faa DE |
645 | /* Search for and open 'file' on the search path used for source |
646 | files. Put the full location in *FULL_PATHP. */ | |
e0cc99a6 | 647 | gdb::unique_xmalloc_ptr<char> full_path; |
3f7b2faa | 648 | fd = openp (source_path, search_flags, |
e0cc99a6 | 649 | file.get (), O_RDONLY, &full_path); |
4b505b12 AS |
650 | |
651 | if (fd == -1) | |
ee0c3293 | 652 | return opened; |
973817a3 | 653 | |
ed166945 TT |
654 | FILE *result = fdopen (fd, FOPEN_RT); |
655 | if (result == NULL) | |
77a35dd8 JK |
656 | { |
657 | int save_errno = errno; | |
658 | ||
659 | close (fd); | |
77a35dd8 | 660 | errno = save_errno; |
77a35dd8 | 661 | } |
ed166945 TT |
662 | else |
663 | opened.emplace (gdb_file_up (result), std::move (full_path)); | |
77a35dd8 | 664 | |
ed166945 | 665 | return opened; |
973817a3 JB |
666 | } |
667 | ||
1a70ae97 DE |
668 | /* Load script FILE, which has already been opened as STREAM. |
669 | FILE_TO_OPEN is the form of FILE to use if one needs to open the file. | |
670 | This is provided as FILE may have been found via the source search path. | |
671 | An important thing to note here is that FILE may be a symlink to a file | |
672 | with a different or non-existing suffix, and thus one cannot infer the | |
673 | extension language from FILE_TO_OPEN. */ | |
973817a3 | 674 | |
3f7b2faa | 675 | static void |
1a70ae97 DE |
676 | source_script_from_stream (FILE *stream, const char *file, |
677 | const char *file_to_open) | |
3f7b2faa | 678 | { |
6dddc817 | 679 | if (script_ext_mode != script_ext_off) |
973817a3 | 680 | { |
6dddc817 DE |
681 | const struct extension_language_defn *extlang |
682 | = get_ext_lang_of_file (file); | |
683 | ||
684 | if (extlang != NULL) | |
973817a3 | 685 | { |
6dddc817 DE |
686 | if (ext_lang_present_p (extlang)) |
687 | { | |
688 | script_sourcer_func *sourcer | |
689 | = ext_lang_script_sourcer (extlang); | |
690 | ||
691 | gdb_assert (sourcer != NULL); | |
1a70ae97 | 692 | sourcer (extlang, stream, file_to_open); |
6dddc817 DE |
693 | return; |
694 | } | |
695 | else if (script_ext_mode == script_ext_soft) | |
696 | { | |
697 | /* Assume the file is a gdb script. | |
698 | This is handled below. */ | |
699 | } | |
700 | else | |
701 | throw_ext_lang_unsupported (extlang); | |
973817a3 JB |
702 | } |
703 | } | |
6dddc817 DE |
704 | |
705 | script_from_file (stream, file); | |
3f7b2faa | 706 | } |
d318976c | 707 | |
3f7b2faa DE |
708 | /* Worker to perform the "source" command. |
709 | Load script FILE. | |
710 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
711 | search for it in the source search path. */ | |
712 | ||
713 | static void | |
714 | source_script_with_search (const char *file, int from_tty, int search_path) | |
715 | { | |
3f7b2faa DE |
716 | |
717 | if (file == NULL || *file == 0) | |
718 | error (_("source command requires file name of file to source.")); | |
719 | ||
ed166945 TT |
720 | gdb::optional<open_script> opened = find_and_open_script (file, search_path); |
721 | if (!opened) | |
3f7b2faa | 722 | { |
d234ef5c | 723 | /* The script wasn't found, or was otherwise inaccessible. |
dda83cd7 | 724 | If the source command was invoked interactively, throw an |
ebcd3b23 | 725 | error. Otherwise (e.g. if it was invoked by a script), |
7c647d61 | 726 | just emit a warning, rather than cause an error. */ |
3f7b2faa DE |
727 | if (from_tty) |
728 | perror_with_name (file); | |
729 | else | |
7c647d61 JB |
730 | { |
731 | perror_warning_with_name (file); | |
732 | return; | |
733 | } | |
3f7b2faa DE |
734 | } |
735 | ||
d234ef5c DE |
736 | /* The python support reopens the file, so we need to pass full_path here |
737 | in case the file was found on the search path. It's useful to do this | |
738 | anyway so that error messages show the actual file used. But only do | |
739 | this if we (may have) used search_path, as printing the full path in | |
740 | errors for the non-search case can be more noise than signal. */ | |
1845e254 AB |
741 | const char *file_to_open; |
742 | gdb::unique_xmalloc_ptr<char> tilde_expanded_file; | |
743 | if (search_path) | |
744 | file_to_open = opened->full_path.get (); | |
745 | else | |
746 | { | |
747 | tilde_expanded_file = gdb_tilde_expand_up (file); | |
748 | file_to_open = tilde_expanded_file.get (); | |
749 | } | |
750 | source_script_from_stream (opened->stream.get (), file, file_to_open); | |
d318976c FN |
751 | } |
752 | ||
3f7b2faa DE |
753 | /* Wrapper around source_script_with_search to export it to main.c |
754 | for use in loading .gdbinit scripts. */ | |
755 | ||
756 | void | |
50dd9793 | 757 | source_script (const char *file, int from_tty) |
3f7b2faa DE |
758 | { |
759 | source_script_with_search (file, from_tty, 0); | |
760 | } | |
761 | ||
16026cd7 | 762 | static void |
dede02ce | 763 | source_command (const char *args, int from_tty) |
16026cd7 | 764 | { |
dede02ce | 765 | const char *file = args; |
3f7b2faa | 766 | int search_path = 0; |
16026cd7 | 767 | |
2ec845e7 | 768 | scoped_restore save_source_verbose = make_scoped_restore (&source_verbose); |
16026cd7 AS |
769 | |
770 | /* -v causes the source command to run in verbose mode. | |
3f7b2faa DE |
771 | -s causes the file to be searched in the source search path, |
772 | even if the file name contains a '/'. | |
16026cd7 AS |
773 | We still have to be able to handle filenames with spaces in a |
774 | backward compatible way, so buildargv is not appropriate. */ | |
775 | ||
776 | if (args) | |
777 | { | |
3f7b2faa | 778 | while (args[0] != '\0') |
16026cd7 | 779 | { |
ebcd3b23 MS |
780 | /* Make sure leading white space does not break the |
781 | comparisons. */ | |
529480d0 | 782 | args = skip_spaces (args); |
3f7b2faa DE |
783 | |
784 | if (args[0] != '-') | |
785 | break; | |
786 | ||
787 | if (args[1] == 'v' && isspace (args[2])) | |
788 | { | |
789 | source_verbose = 1; | |
790 | ||
791 | /* Skip passed -v. */ | |
792 | args = &args[3]; | |
793 | } | |
794 | else if (args[1] == 's' && isspace (args[2])) | |
795 | { | |
796 | search_path = 1; | |
16026cd7 | 797 | |
3f7b2faa DE |
798 | /* Skip passed -s. */ |
799 | args = &args[3]; | |
800 | } | |
801 | else | |
802 | break; | |
16026cd7 | 803 | } |
3f7b2faa | 804 | |
529480d0 | 805 | file = skip_spaces (args); |
16026cd7 AS |
806 | } |
807 | ||
3f7b2faa | 808 | source_script_with_search (file, from_tty, search_path); |
16026cd7 AS |
809 | } |
810 | ||
811 | ||
d318976c | 812 | static void |
0b39b52e | 813 | echo_command (const char *text, int from_tty) |
d318976c | 814 | { |
d7561cbb | 815 | const char *p = text; |
d5b5ac79 | 816 | int c; |
d318976c FN |
817 | |
818 | if (text) | |
819 | while ((c = *p++) != '\0') | |
820 | { | |
821 | if (c == '\\') | |
822 | { | |
823 | /* \ at end of argument is used after spaces | |
824 | so they won't be lost. */ | |
825 | if (*p == 0) | |
826 | return; | |
827 | ||
f870a310 | 828 | c = parse_escape (get_current_arch (), &p); |
d318976c FN |
829 | if (c >= 0) |
830 | printf_filtered ("%c", c); | |
831 | } | |
832 | else | |
833 | printf_filtered ("%c", c); | |
834 | } | |
835 | ||
ef1dfa36 TT |
836 | reset_terminal_style (gdb_stdout); |
837 | ||
d318976c FN |
838 | /* Force this output to appear now. */ |
839 | wrap_here (""); | |
840 | gdb_flush (gdb_stdout); | |
841 | } | |
842 | ||
947d3946 PW |
843 | /* Sets the last launched shell command convenience variables based on |
844 | EXIT_STATUS. */ | |
845 | ||
846 | static void | |
847 | exit_status_set_internal_vars (int exit_status) | |
848 | { | |
849 | struct internalvar *var_code = lookup_internalvar ("_shell_exitcode"); | |
850 | struct internalvar *var_signal = lookup_internalvar ("_shell_exitsignal"); | |
851 | ||
852 | clear_internalvar (var_code); | |
853 | clear_internalvar (var_signal); | |
854 | if (WIFEXITED (exit_status)) | |
855 | set_internalvar_integer (var_code, WEXITSTATUS (exit_status)); | |
559e7e50 EZ |
856 | #ifdef __MINGW32__ |
857 | else if (WIFSIGNALED (exit_status) && WTERMSIG (exit_status) == -1) | |
858 | { | |
859 | /* The -1 condition can happen on MinGW, if we don't recognize | |
860 | the fatal exception code encoded in the exit status; see | |
861 | gdbsupport/gdb_wait.c. We don't want to lose information in | |
862 | the exit status in that case. Record it as a normal exit | |
863 | with the full exit status, including the higher 0xC0000000 | |
864 | bits. */ | |
865 | set_internalvar_integer (var_code, exit_status); | |
866 | } | |
867 | #endif | |
947d3946 PW |
868 | else if (WIFSIGNALED (exit_status)) |
869 | set_internalvar_integer (var_signal, WTERMSIG (exit_status)); | |
870 | else | |
422186a9 | 871 | warning (_("unexpected shell command exit status %d"), exit_status); |
947d3946 PW |
872 | } |
873 | ||
d318976c | 874 | static void |
be47f9e8 | 875 | shell_escape (const char *arg, int from_tty) |
d318976c | 876 | { |
9b265ec2 MM |
877 | #if defined(CANT_FORK) || \ |
878 | (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK)) | |
d318976c FN |
879 | /* If ARG is NULL, they want an inferior shell, but `system' just |
880 | reports if the shell is available when passed a NULL arg. */ | |
881 | int rc = system (arg ? arg : ""); | |
882 | ||
883 | if (!arg) | |
884 | arg = "inferior shell"; | |
885 | ||
886 | if (rc == -1) | |
c119e040 TT |
887 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg, |
888 | safe_strerror (errno)); | |
d318976c | 889 | else if (rc) |
c119e040 | 890 | fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc); |
2584159e | 891 | #ifdef GLOBAL_CURDIR |
ebcd3b23 MS |
892 | /* Make sure to return to the directory GDB thinks it is, in case |
893 | the shell command we just ran changed it. */ | |
d318976c FN |
894 | chdir (current_directory); |
895 | #endif | |
c17ace43 | 896 | exit_status_set_internal_vars (rc); |
d318976c | 897 | #else /* Can fork. */ |
5be4dfca | 898 | int status, pid; |
d318976c | 899 | |
325ed089 | 900 | if ((pid = vfork ()) == 0) |
d318976c | 901 | { |
974e6844 | 902 | const char *p, *user_shell = get_shell (); |
30e94205 | 903 | |
614c279d TT |
904 | close_most_fds (); |
905 | ||
ebcd3b23 | 906 | /* Get the name of the shell for arg0. */ |
9f37bbcc | 907 | p = lbasename (user_shell); |
30e94205 | 908 | |
d318976c | 909 | if (!arg) |
36662fde | 910 | execl (user_shell, p, (char *) 0); |
d318976c | 911 | else |
36662fde | 912 | execl (user_shell, p, "-c", arg, (char *) 0); |
d318976c FN |
913 | |
914 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell, | |
915 | safe_strerror (errno)); | |
d318976c FN |
916 | _exit (0177); |
917 | } | |
918 | ||
919 | if (pid != -1) | |
5be4dfca | 920 | waitpid (pid, &status, 0); |
d318976c | 921 | else |
8a3fe4f8 | 922 | error (_("Fork failed")); |
947d3946 | 923 | exit_status_set_internal_vars (status); |
d318976c FN |
924 | #endif /* Can fork. */ |
925 | } | |
926 | ||
be47f9e8 PA |
927 | /* Implementation of the "shell" command. */ |
928 | ||
929 | static void | |
0b39b52e | 930 | shell_command (const char *arg, int from_tty) |
be47f9e8 PA |
931 | { |
932 | shell_escape (arg, from_tty); | |
933 | } | |
934 | ||
0378c332 | 935 | static void |
0b39b52e | 936 | edit_command (const char *arg, int from_tty) |
0378c332 | 937 | { |
0378c332 FN |
938 | struct symtab_and_line sal; |
939 | struct symbol *sym; | |
a121b7c1 | 940 | const char *editor; |
0b0865da TT |
941 | char *p; |
942 | const char *fn; | |
0378c332 | 943 | |
d5529a84 | 944 | /* Pull in the current default source line if necessary. */ |
0378c332 | 945 | if (arg == 0) |
53cb0458 FN |
946 | { |
947 | set_default_source_symtab_and_line (); | |
948 | sal = get_current_source_symtab_and_line (); | |
949 | } | |
0378c332 | 950 | |
ebcd3b23 | 951 | /* Bare "edit" edits file with present line. */ |
0378c332 FN |
952 | |
953 | if (arg == 0) | |
954 | { | |
955 | if (sal.symtab == 0) | |
8a3fe4f8 | 956 | error (_("No default source file yet.")); |
0378c332 FN |
957 | sal.line += get_lines_to_list () / 2; |
958 | } | |
959 | else | |
960 | { | |
f2fc3015 | 961 | const char *arg1; |
0378c332 | 962 | |
f00aae0f | 963 | /* Now should only be one argument -- decode it in SAL. */ |
0378c332 | 964 | arg1 = arg; |
ffc2605c TT |
965 | event_location_up location = string_to_event_location (&arg1, |
966 | current_language); | |
6c5b2ebe PA |
967 | std::vector<symtab_and_line> sals = decode_line_1 (location.get (), |
968 | DECODE_LINE_LIST_MODE, | |
969 | NULL, NULL, 0); | |
0378c332 | 970 | |
6c5b2ebe PA |
971 | filter_sals (sals); |
972 | if (sals.empty ()) | |
d5529a84 TT |
973 | { |
974 | /* C++ */ | |
975 | return; | |
976 | } | |
6c5b2ebe | 977 | if (sals.size () > 1) |
d5529a84 | 978 | { |
6c5b2ebe | 979 | ambiguous_line_spec (sals, |
e439fa14 | 980 | _("Specified line is ambiguous:\n")); |
d5529a84 TT |
981 | return; |
982 | } | |
0378c332 | 983 | |
6c5b2ebe | 984 | sal = sals[0]; |
0378c332 FN |
985 | |
986 | if (*arg1) | |
dda83cd7 | 987 | error (_("Junk at end of line specification.")); |
0378c332 | 988 | |
ebcd3b23 | 989 | /* If line was specified by address, first print exactly which |
dda83cd7 SM |
990 | line, and which file. In this case, sal.symtab == 0 means |
991 | address is outside of all known source files, not that user | |
992 | failed to give a filename. */ | |
0378c332 | 993 | if (*arg == '*') |
dda83cd7 | 994 | { |
5af949e3 | 995 | struct gdbarch *gdbarch; |
cdb27c12 | 996 | |
dda83cd7 | 997 | if (sal.symtab == 0) |
8a3fe4f8 | 998 | error (_("No source file for address %s."), |
2b69941d | 999 | paddress (get_current_arch (), sal.pc)); |
5af949e3 | 1000 | |
08feed99 | 1001 | gdbarch = SYMTAB_OBJFILE (sal.symtab)->arch (); |
dda83cd7 SM |
1002 | sym = find_pc_function (sal.pc); |
1003 | if (sym) | |
5af949e3 UW |
1004 | printf_filtered ("%s is in %s (%s:%d).\n", |
1005 | paddress (gdbarch, sal.pc), | |
987012b8 | 1006 | sym->print_name (), |
05cba821 JK |
1007 | symtab_to_filename_for_display (sal.symtab), |
1008 | sal.line); | |
dda83cd7 | 1009 | else |
5af949e3 UW |
1010 | printf_filtered ("%s is at %s:%d.\n", |
1011 | paddress (gdbarch, sal.pc), | |
05cba821 JK |
1012 | symtab_to_filename_for_display (sal.symtab), |
1013 | sal.line); | |
dda83cd7 | 1014 | } |
0378c332 | 1015 | |
ebcd3b23 | 1016 | /* If what was given does not imply a symtab, it must be an |
dda83cd7 | 1017 | undebuggable symbol which means no source code. */ |
0378c332 FN |
1018 | |
1019 | if (sal.symtab == 0) | |
dda83cd7 | 1020 | error (_("No line number known for %s."), arg); |
0378c332 FN |
1021 | } |
1022 | ||
081bca4d TT |
1023 | if ((editor = getenv ("EDITOR")) == NULL) |
1024 | editor = "/bin/ex"; | |
a955ca71 | 1025 | |
f35a17b5 | 1026 | fn = symtab_to_fullname (sal.symtab); |
0378c332 | 1027 | |
a955ca71 EZ |
1028 | /* Quote the file name, in case it has whitespace or other special |
1029 | characters. */ | |
1030 | p = xstrprintf ("%s +%d \"%s\"", editor, sal.line, fn); | |
d5529a84 TT |
1031 | shell_escape (p, from_tty); |
1032 | xfree (p); | |
0378c332 FN |
1033 | } |
1034 | ||
5f4ba3e7 PA |
1035 | /* The options for the "pipe" command. */ |
1036 | ||
1037 | struct pipe_cmd_opts | |
1038 | { | |
1039 | /* For "-d". */ | |
1040 | char *delimiter = nullptr; | |
1041 | ||
1042 | ~pipe_cmd_opts () | |
1043 | { | |
1044 | xfree (delimiter); | |
1045 | } | |
1046 | }; | |
1047 | ||
1048 | static const gdb::option::option_def pipe_cmd_option_defs[] = { | |
1049 | ||
1050 | gdb::option::string_option_def<pipe_cmd_opts> { | |
1051 | "d", | |
1052 | [] (pipe_cmd_opts *opts) { return &opts->delimiter; }, | |
1053 | nullptr, | |
1054 | N_("Indicates to use the specified delimiter string to separate\n\ | |
1055 | COMMAND from SHELL_COMMAND, in alternative to |. This is useful in\n\ | |
1056 | case COMMAND contains a | character."), | |
1057 | }, | |
1058 | ||
1059 | }; | |
1060 | ||
1061 | /* Create an option_def_group for the "pipe" command's options, with | |
1062 | OPTS as context. */ | |
1063 | ||
1064 | static inline gdb::option::option_def_group | |
1065 | make_pipe_cmd_options_def_group (pipe_cmd_opts *opts) | |
1066 | { | |
1067 | return {{pipe_cmd_option_defs}, opts}; | |
1068 | } | |
1069 | ||
947d3946 PW |
1070 | /* Implementation of the "pipe" command. */ |
1071 | ||
1072 | static void | |
1073 | pipe_command (const char *arg, int from_tty) | |
1074 | { | |
5f4ba3e7 | 1075 | pipe_cmd_opts opts; |
947d3946 | 1076 | |
5f4ba3e7 PA |
1077 | auto grp = make_pipe_cmd_options_def_group (&opts); |
1078 | gdb::option::process_options | |
1079 | (&arg, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_OPERAND, grp); | |
1080 | ||
1081 | const char *delim = "|"; | |
1082 | if (opts.delimiter != nullptr) | |
1083 | delim = opts.delimiter; | |
947d3946 PW |
1084 | |
1085 | const char *command = arg; | |
1086 | if (command == nullptr) | |
1087 | error (_("Missing COMMAND")); | |
1088 | ||
5f4ba3e7 | 1089 | arg = strstr (arg, delim); |
947d3946 PW |
1090 | |
1091 | if (arg == nullptr) | |
1092 | error (_("Missing delimiter before SHELL_COMMAND")); | |
1093 | ||
1094 | std::string gdb_cmd (command, arg - command); | |
1095 | ||
5f4ba3e7 | 1096 | arg += strlen (delim); /* Skip the delimiter. */ |
947d3946 PW |
1097 | |
1098 | if (gdb_cmd.empty ()) | |
fdbc9870 | 1099 | gdb_cmd = repeat_previous (); |
947d3946 PW |
1100 | |
1101 | const char *shell_command = skip_spaces (arg); | |
1102 | if (*shell_command == '\0') | |
1103 | error (_("Missing SHELL_COMMAND")); | |
1104 | ||
1105 | FILE *to_shell_command = popen (shell_command, "w"); | |
1106 | ||
1107 | if (to_shell_command == nullptr) | |
1108 | error (_("Error launching \"%s\""), shell_command); | |
1109 | ||
1110 | try | |
1111 | { | |
1112 | stdio_file pipe_file (to_shell_command); | |
1113 | ||
1114 | execute_command_to_ui_file (&pipe_file, gdb_cmd.c_str (), from_tty); | |
1115 | } | |
1116 | catch (...) | |
1117 | { | |
1118 | pclose (to_shell_command); | |
1119 | throw; | |
1120 | } | |
1121 | ||
1122 | int exit_status = pclose (to_shell_command); | |
1123 | ||
1124 | if (exit_status < 0) | |
1125 | error (_("shell command \"%s\" failed: %s"), shell_command, | |
dda83cd7 | 1126 | safe_strerror (errno)); |
947d3946 PW |
1127 | exit_status_set_internal_vars (exit_status); |
1128 | } | |
1129 | ||
5f4ba3e7 PA |
1130 | /* Completer for the pipe command. */ |
1131 | ||
1132 | static void | |
1133 | pipe_command_completer (struct cmd_list_element *ignore, | |
1134 | completion_tracker &tracker, | |
1135 | const char *text, const char *word_ignored) | |
1136 | { | |
1137 | pipe_cmd_opts opts; | |
1138 | ||
1139 | const char *org_text = text; | |
1140 | auto grp = make_pipe_cmd_options_def_group (&opts); | |
1141 | if (gdb::option::complete_options | |
1142 | (tracker, &text, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_OPERAND, grp)) | |
1143 | return; | |
1144 | ||
1145 | const char *delimiter = "|"; | |
1146 | if (opts.delimiter != nullptr) | |
1147 | delimiter = opts.delimiter; | |
1148 | ||
1149 | /* Check if we're past option values already. */ | |
1150 | if (text > org_text && !isspace (text[-1])) | |
1151 | return; | |
1152 | ||
1153 | const char *delim = strstr (text, delimiter); | |
1154 | ||
1155 | /* If we're still not past the delimiter, complete the gdb | |
1156 | command. */ | |
1157 | if (delim == nullptr || delim == text) | |
1158 | { | |
1159 | complete_nested_command_line (tracker, text); | |
1160 | return; | |
1161 | } | |
1162 | ||
1163 | /* We're past the delimiter. What follows is a shell command, which | |
1164 | we don't know how to complete. */ | |
1165 | } | |
1166 | ||
0378c332 | 1167 | static void |
0b39b52e | 1168 | list_command (const char *arg, int from_tty) |
0378c332 | 1169 | { |
0378c332 | 1170 | struct symbol *sym; |
f2fc3015 | 1171 | const char *arg1; |
0378c332 FN |
1172 | int no_end = 1; |
1173 | int dummy_end = 0; | |
1174 | int dummy_beg = 0; | |
1175 | int linenum_beg = 0; | |
0b39b52e | 1176 | const char *p; |
0378c332 | 1177 | |
ebcd3b23 | 1178 | /* Pull in the current default source line if necessary. */ |
a0def019 | 1179 | if (arg == NULL || ((arg[0] == '+' || arg[0] == '-') && arg[1] == '\0')) |
53cb0458 FN |
1180 | { |
1181 | set_default_source_symtab_and_line (); | |
51abb421 | 1182 | symtab_and_line cursal = get_current_source_symtab_and_line (); |
5166082f PA |
1183 | |
1184 | /* If this is the first "list" since we've set the current | |
1185 | source line, center the listing around that line. */ | |
1186 | if (get_first_line_listed () == 0) | |
1187 | { | |
1188 | int first; | |
1189 | ||
325fac50 | 1190 | first = std::max (cursal.line - get_lines_to_list () / 2, 1); |
5166082f PA |
1191 | |
1192 | /* A small special case --- if listing backwards, and we | |
1193 | should list only one line, list the preceding line, | |
1194 | instead of the exact line we've just shown after e.g., | |
1195 | stopping for a breakpoint. */ | |
1196 | if (arg != NULL && arg[0] == '-' | |
1197 | && get_lines_to_list () == 1 && first > 1) | |
1198 | first -= 1; | |
1199 | ||
0e2a2133 | 1200 | print_source_lines (cursal.symtab, source_lines_range (first), 0); |
5166082f | 1201 | } |
0378c332 | 1202 | |
1a48ce76 | 1203 | /* "l" or "l +" lists next ten lines. */ |
a0def019 | 1204 | else if (arg == NULL || arg[0] == '+') |
0e2a2133 AB |
1205 | print_source_lines (cursal.symtab, |
1206 | source_lines_range (cursal.line), 0); | |
0378c332 | 1207 | |
1a48ce76 AB |
1208 | /* "l -" lists previous ten lines, the ones before the ten just |
1209 | listed. */ | |
a0def019 | 1210 | else if (arg[0] == '-') |
3b2464a8 AB |
1211 | { |
1212 | if (get_first_line_listed () == 1) | |
1213 | error (_("Already at the start of %s."), | |
1214 | symtab_to_filename_for_display (cursal.symtab)); | |
0e2a2133 AB |
1215 | source_lines_range range (get_first_line_listed (), |
1216 | source_lines_range::BACKWARD); | |
1217 | print_source_lines (cursal.symtab, range, 0); | |
3b2464a8 | 1218 | } |
0378c332 | 1219 | |
0378c332 FN |
1220 | return; |
1221 | } | |
1222 | ||
1223 | /* Now if there is only one argument, decode it in SAL | |
1224 | and set NO_END. | |
1225 | If there are two arguments, decode them in SAL and SAL_END | |
1226 | and clear NO_END; however, if one of the arguments is blank, | |
1227 | set DUMMY_BEG or DUMMY_END to record that fact. */ | |
1228 | ||
1229 | if (!have_full_symbols () && !have_partial_symbols ()) | |
8a3fe4f8 | 1230 | error (_("No symbol table is loaded. Use the \"file\" command.")); |
0378c332 | 1231 | |
6c5b2ebe | 1232 | std::vector<symtab_and_line> sals; |
51abb421 | 1233 | symtab_and_line sal, sal_end; |
6c5b2ebe | 1234 | |
0378c332 FN |
1235 | arg1 = arg; |
1236 | if (*arg1 == ',') | |
1237 | dummy_beg = 1; | |
1238 | else | |
1239 | { | |
ffc2605c TT |
1240 | event_location_up location = string_to_event_location (&arg1, |
1241 | current_language); | |
1242 | sals = decode_line_1 (location.get (), DECODE_LINE_LIST_MODE, | |
1243 | NULL, NULL, 0); | |
6c5b2ebe PA |
1244 | filter_sals (sals); |
1245 | if (sals.empty ()) | |
f00aae0f KS |
1246 | { |
1247 | /* C++ */ | |
f00aae0f KS |
1248 | return; |
1249 | } | |
0378c332 | 1250 | |
6c5b2ebe | 1251 | sal = sals[0]; |
0378c332 FN |
1252 | } |
1253 | ||
1254 | /* Record whether the BEG arg is all digits. */ | |
1255 | ||
1256 | for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++); | |
1257 | linenum_beg = (p == arg1); | |
1258 | ||
e439fa14 PA |
1259 | /* Save the range of the first argument, in case we need to let the |
1260 | user know it was ambiguous. */ | |
1261 | const char *beg = arg; | |
1262 | size_t beg_len = arg1 - beg; | |
1263 | ||
0378c332 FN |
1264 | while (*arg1 == ' ' || *arg1 == '\t') |
1265 | arg1++; | |
1266 | if (*arg1 == ',') | |
1267 | { | |
1268 | no_end = 0; | |
6c5b2ebe | 1269 | if (sals.size () > 1) |
0d999a6e | 1270 | { |
6c5b2ebe | 1271 | ambiguous_line_spec (sals, |
e439fa14 PA |
1272 | _("Specified first line '%.*s' is ambiguous:\n"), |
1273 | (int) beg_len, beg); | |
0d999a6e ZZ |
1274 | return; |
1275 | } | |
0378c332 FN |
1276 | arg1++; |
1277 | while (*arg1 == ' ' || *arg1 == '\t') | |
1278 | arg1++; | |
1279 | if (*arg1 == 0) | |
1280 | dummy_end = 1; | |
1281 | else | |
1282 | { | |
e439fa14 PA |
1283 | /* Save the last argument, in case we need to let the user |
1284 | know it was ambiguous. */ | |
1285 | const char *end_arg = arg1; | |
1286 | ||
ffc2605c TT |
1287 | event_location_up location |
1288 | = string_to_event_location (&arg1, current_language); | |
f00aae0f | 1289 | |
6c5b2ebe PA |
1290 | std::vector<symtab_and_line> sals_end |
1291 | = (dummy_beg | |
1292 | ? decode_line_1 (location.get (), DECODE_LINE_LIST_MODE, | |
1293 | NULL, NULL, 0) | |
1294 | : decode_line_1 (location.get (), DECODE_LINE_LIST_MODE, | |
1295 | NULL, sal.symtab, sal.line)); | |
1296 | ||
1297 | filter_sals (sals_end); | |
1298 | if (sals_end.empty ()) | |
1299 | return; | |
1300 | if (sals_end.size () > 1) | |
0d999a6e | 1301 | { |
6c5b2ebe | 1302 | ambiguous_line_spec (sals_end, |
e439fa14 PA |
1303 | _("Specified last line '%s' is ambiguous:\n"), |
1304 | end_arg); | |
0378c332 FN |
1305 | return; |
1306 | } | |
6c5b2ebe | 1307 | sal_end = sals_end[0]; |
0378c332 FN |
1308 | } |
1309 | } | |
1310 | ||
1311 | if (*arg1) | |
8a3fe4f8 | 1312 | error (_("Junk at end of line specification.")); |
0378c332 FN |
1313 | |
1314 | if (!no_end && !dummy_beg && !dummy_end | |
1315 | && sal.symtab != sal_end.symtab) | |
e439fa14 | 1316 | error (_("Specified first and last lines are in different files.")); |
0378c332 | 1317 | if (dummy_beg && dummy_end) |
8a3fe4f8 | 1318 | error (_("Two empty args do not say what lines to list.")); |
0378c332 | 1319 | |
ebcd3b23 | 1320 | /* If line was specified by address, |
0378c332 | 1321 | first print exactly which line, and which file. |
ebcd3b23 MS |
1322 | |
1323 | In this case, sal.symtab == 0 means address is outside of all | |
1324 | known source files, not that user failed to give a filename. */ | |
0378c332 FN |
1325 | if (*arg == '*') |
1326 | { | |
5af949e3 | 1327 | struct gdbarch *gdbarch; |
cdb27c12 | 1328 | |
0378c332 | 1329 | if (sal.symtab == 0) |
8a3fe4f8 | 1330 | error (_("No source file for address %s."), |
2b69941d | 1331 | paddress (get_current_arch (), sal.pc)); |
5af949e3 | 1332 | |
08feed99 | 1333 | gdbarch = SYMTAB_OBJFILE (sal.symtab)->arch (); |
0378c332 FN |
1334 | sym = find_pc_function (sal.pc); |
1335 | if (sym) | |
50ee7535 | 1336 | printf_filtered ("%s is in %s (%s:%d).\n", |
5af949e3 | 1337 | paddress (gdbarch, sal.pc), |
987012b8 | 1338 | sym->print_name (), |
05cba821 | 1339 | symtab_to_filename_for_display (sal.symtab), sal.line); |
0378c332 | 1340 | else |
5af949e3 UW |
1341 | printf_filtered ("%s is at %s:%d.\n", |
1342 | paddress (gdbarch, sal.pc), | |
05cba821 | 1343 | symtab_to_filename_for_display (sal.symtab), sal.line); |
0378c332 FN |
1344 | } |
1345 | ||
ebcd3b23 MS |
1346 | /* If line was not specified by just a line number, and it does not |
1347 | imply a symtab, it must be an undebuggable symbol which means no | |
1348 | source code. */ | |
0378c332 FN |
1349 | |
1350 | if (!linenum_beg && sal.symtab == 0) | |
8a3fe4f8 | 1351 | error (_("No line number known for %s."), arg); |
0378c332 FN |
1352 | |
1353 | /* If this command is repeated with RET, | |
1354 | turn it into the no-arg variant. */ | |
1355 | ||
1356 | if (from_tty) | |
85c4be7c | 1357 | set_repeat_arguments (""); |
0378c332 FN |
1358 | |
1359 | if (dummy_beg && sal_end.symtab == 0) | |
8a3fe4f8 | 1360 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 | 1361 | if (dummy_beg) |
0e2a2133 AB |
1362 | { |
1363 | source_lines_range range (sal_end.line + 1, | |
1364 | source_lines_range::BACKWARD); | |
1365 | print_source_lines (sal_end.symtab, range, 0); | |
1366 | } | |
0378c332 | 1367 | else if (sal.symtab == 0) |
8a3fe4f8 | 1368 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
1369 | else if (no_end) |
1370 | { | |
6c5b2ebe | 1371 | for (int i = 0; i < sals.size (); i++) |
0d999a6e | 1372 | { |
6c5b2ebe | 1373 | sal = sals[i]; |
0d999a6e ZZ |
1374 | int first_line = sal.line - get_lines_to_list () / 2; |
1375 | if (first_line < 1) | |
1376 | first_line = 1; | |
6c5b2ebe | 1377 | if (sals.size () > 1) |
06871ae8 | 1378 | print_sal_location (sal); |
0e2a2133 | 1379 | print_source_lines (sal.symtab, source_lines_range (first_line), 0); |
0d999a6e | 1380 | } |
0378c332 | 1381 | } |
0e2a2133 AB |
1382 | else if (dummy_end) |
1383 | print_source_lines (sal.symtab, source_lines_range (sal.line), 0); | |
0378c332 | 1384 | else |
0e2a2133 AB |
1385 | print_source_lines (sal.symtab, |
1386 | source_lines_range (sal.line, (sal_end.line + 1)), | |
0378c332 FN |
1387 | 0); |
1388 | } | |
1389 | ||
d14508fe DE |
1390 | /* Subroutine of disassemble_command to simplify it. |
1391 | Perform the disassembly. | |
1392 | NAME is the name of the function if known, or NULL. | |
1393 | [LOW,HIGH) are the range of addresses to disassemble. | |
e9480230 KB |
1394 | BLOCK is the block to disassemble; it needs to be provided |
1395 | when non-contiguous blocks are disassembled; otherwise | |
1396 | it can be NULL. | |
d14508fe DE |
1397 | MIXED is non-zero to print source with the assembler. */ |
1398 | ||
1399 | static void | |
13274fc3 | 1400 | print_disassembly (struct gdbarch *gdbarch, const char *name, |
9a24775b | 1401 | CORE_ADDR low, CORE_ADDR high, |
e9480230 | 1402 | const struct block *block, |
9a24775b | 1403 | gdb_disassembly_flags flags) |
d14508fe DE |
1404 | { |
1405 | #if defined(TUI) | |
f9ba974d TT |
1406 | if (tui_is_window_visible (DISASSEM_WIN)) |
1407 | tui_show_assembly (gdbarch, low); | |
1408 | else | |
d14508fe DE |
1409 | #endif |
1410 | { | |
b2701685 | 1411 | printf_filtered (_("Dump of assembler code ")); |
d14508fe | 1412 | if (name != NULL) |
b2701685 TT |
1413 | printf_filtered (_("for function %ps:\n"), |
1414 | styled_string (function_name_style.style (), name)); | |
e9480230 | 1415 | if (block == nullptr || BLOCK_CONTIGUOUS_P (block)) |
dda83cd7 | 1416 | { |
e9480230 | 1417 | if (name == NULL) |
b2701685 TT |
1418 | printf_filtered (_("from %ps to %ps:\n"), |
1419 | styled_string (address_style.style (), | |
1420 | paddress (gdbarch, low)), | |
1421 | styled_string (address_style.style (), | |
1422 | paddress (gdbarch, high))); | |
d14508fe | 1423 | |
e9480230 KB |
1424 | /* Dump the specified range. */ |
1425 | gdb_disassembly (gdbarch, current_uiout, flags, -1, low, high); | |
1426 | } | |
1427 | else | |
dda83cd7 | 1428 | { |
e9480230 KB |
1429 | for (int i = 0; i < BLOCK_NRANGES (block); i++) |
1430 | { | |
b926417a TT |
1431 | CORE_ADDR range_low = BLOCK_RANGE_START (block, i); |
1432 | CORE_ADDR range_high = BLOCK_RANGE_END (block, i); | |
b2701685 TT |
1433 | printf_filtered (_("Address range %ps to %ps:\n"), |
1434 | styled_string (address_style.style (), | |
1435 | paddress (gdbarch, range_low)), | |
1436 | styled_string (address_style.style (), | |
1437 | paddress (gdbarch, range_high))); | |
b926417a TT |
1438 | gdb_disassembly (gdbarch, current_uiout, flags, -1, |
1439 | range_low, range_high); | |
e9480230 KB |
1440 | } |
1441 | } | |
b2701685 | 1442 | printf_filtered (_("End of assembler dump.\n")); |
d14508fe | 1443 | } |
d14508fe DE |
1444 | } |
1445 | ||
1446 | /* Subroutine of disassemble_command to simplify it. | |
9c419145 | 1447 | Print a disassembly of the current function according to FLAGS. */ |
d14508fe DE |
1448 | |
1449 | static void | |
9a24775b | 1450 | disassemble_current_function (gdb_disassembly_flags flags) |
d14508fe | 1451 | { |
13274fc3 UW |
1452 | struct frame_info *frame; |
1453 | struct gdbarch *gdbarch; | |
d14508fe | 1454 | CORE_ADDR low, high, pc; |
2c02bd72 | 1455 | const char *name; |
e9480230 | 1456 | const struct block *block; |
d14508fe | 1457 | |
13274fc3 UW |
1458 | frame = get_selected_frame (_("No frame selected.")); |
1459 | gdbarch = get_frame_arch (frame); | |
9bf4bce9 | 1460 | pc = get_frame_address_in_block (frame); |
e9480230 | 1461 | if (find_pc_partial_function (pc, &name, &low, &high, &block) == 0) |
d14508fe DE |
1462 | error (_("No function contains program counter for selected frame.")); |
1463 | #if defined(TUI) | |
1464 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously | |
1465 | `tui_version'. */ | |
1466 | if (tui_active) | |
1467 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1468 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
d14508fe | 1469 | #endif |
13274fc3 | 1470 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
d14508fe | 1471 | |
e9480230 | 1472 | print_disassembly (gdbarch, name, low, high, block, flags); |
d14508fe DE |
1473 | } |
1474 | ||
1475 | /* Dump a specified section of assembly code. | |
1476 | ||
1477 | Usage: | |
6ff0ba5f | 1478 | disassemble [/mrs] |
d14508fe | 1479 | - dump the assembly code for the function of the current pc |
6ff0ba5f | 1480 | disassemble [/mrs] addr |
d14508fe | 1481 | - dump the assembly code for the function at ADDR |
6ff0ba5f DE |
1482 | disassemble [/mrs] low,high |
1483 | disassemble [/mrs] low,+length | |
53a71c06 | 1484 | - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length) |
d14508fe | 1485 | |
6ff0ba5f DE |
1486 | A /m modifier will include source code with the assembly in a |
1487 | "source centric" view. This view lists only the file of the first insn, | |
1488 | even if other source files are involved (e.g., inlined functions), and | |
1489 | the output is in source order, even with optimized code. This view is | |
1490 | considered deprecated as it hasn't been useful in practice. | |
1491 | ||
1492 | A /r modifier will include raw instructions in hex with the assembly. | |
1493 | ||
1494 | A /s modifier will include source code with the assembly, like /m, with | |
1495 | two important differences: | |
1496 | 1) The output is still in pc address order. | |
1497 | 2) File names and contents for all relevant source files are displayed. */ | |
83c31e7d | 1498 | |
83c31e7d | 1499 | static void |
0b39b52e | 1500 | disassemble_command (const char *arg, int from_tty) |
83c31e7d | 1501 | { |
13274fc3 | 1502 | struct gdbarch *gdbarch = get_current_arch (); |
83c31e7d | 1503 | CORE_ADDR low, high; |
f75a0693 | 1504 | const general_symbol_info *symbol = nullptr; |
2c02bd72 | 1505 | const char *name; |
d36fc00b | 1506 | CORE_ADDR pc; |
9a24775b | 1507 | gdb_disassembly_flags flags; |
bbc13ae3 | 1508 | const char *p; |
e9480230 | 1509 | const struct block *block = nullptr; |
83c31e7d | 1510 | |
bbc13ae3 | 1511 | p = arg; |
83c31e7d | 1512 | name = NULL; |
e6158f16 | 1513 | flags = 0; |
d14508fe | 1514 | |
bbc13ae3 | 1515 | if (p && *p == '/') |
83c31e7d | 1516 | { |
bbc13ae3 | 1517 | ++p; |
d14508fe | 1518 | |
bbc13ae3 | 1519 | if (*p == '\0') |
d14508fe DE |
1520 | error (_("Missing modifier.")); |
1521 | ||
bbc13ae3 | 1522 | while (*p && ! isspace (*p)) |
d14508fe | 1523 | { |
bbc13ae3 | 1524 | switch (*p++) |
d14508fe DE |
1525 | { |
1526 | case 'm': | |
6ff0ba5f | 1527 | flags |= DISASSEMBLY_SOURCE_DEPRECATED; |
e6158f16 HZ |
1528 | break; |
1529 | case 'r': | |
1530 | flags |= DISASSEMBLY_RAW_INSN; | |
d14508fe | 1531 | break; |
6ff0ba5f DE |
1532 | case 's': |
1533 | flags |= DISASSEMBLY_SOURCE; | |
1534 | break; | |
d14508fe DE |
1535 | default: |
1536 | error (_("Invalid disassembly modifier.")); | |
1537 | } | |
1538 | } | |
1539 | ||
f1735a53 | 1540 | p = skip_spaces (p); |
d14508fe DE |
1541 | } |
1542 | ||
6ff0ba5f DE |
1543 | if ((flags & (DISASSEMBLY_SOURCE_DEPRECATED | DISASSEMBLY_SOURCE)) |
1544 | == (DISASSEMBLY_SOURCE_DEPRECATED | DISASSEMBLY_SOURCE)) | |
1545 | error (_("Cannot specify both /m and /s.")); | |
1546 | ||
bbc13ae3 | 1547 | if (! p || ! *p) |
d14508fe | 1548 | { |
9c419145 | 1549 | flags |= DISASSEMBLY_OMIT_FNAME; |
e6158f16 | 1550 | disassemble_current_function (flags); |
d14508fe | 1551 | return; |
83c31e7d | 1552 | } |
d14508fe | 1553 | |
bbc13ae3 KS |
1554 | pc = value_as_address (parse_to_comma_and_eval (&p)); |
1555 | if (p[0] == ',') | |
1556 | ++p; | |
1557 | if (p[0] == '\0') | |
83c31e7d FN |
1558 | { |
1559 | /* One argument. */ | |
f75a0693 | 1560 | if (!find_pc_partial_function_sym (pc, &symbol, &low, &high, &block)) |
8a3fe4f8 | 1561 | error (_("No function contains specified address.")); |
f75a0693 AB |
1562 | |
1563 | if (asm_demangle) | |
1564 | name = symbol->print_name (); | |
1565 | else | |
1566 | name = symbol->linkage_name (); | |
1567 | ||
83c31e7d | 1568 | #if defined(TUI) |
021e7609 AC |
1569 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously |
1570 | `tui_version'. */ | |
22940a24 AC |
1571 | if (tui_active) |
1572 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1573 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
83c31e7d | 1574 | #endif |
13274fc3 | 1575 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
9c419145 | 1576 | flags |= DISASSEMBLY_OMIT_FNAME; |
83c31e7d FN |
1577 | } |
1578 | else | |
1579 | { | |
1580 | /* Two arguments. */ | |
53a71c06 | 1581 | int incl_flag = 0; |
21a0512e | 1582 | low = pc; |
f1735a53 | 1583 | p = skip_spaces (p); |
bbc13ae3 | 1584 | if (p[0] == '+') |
53a71c06 | 1585 | { |
bbc13ae3 | 1586 | ++p; |
53a71c06 CR |
1587 | incl_flag = 1; |
1588 | } | |
bbc13ae3 | 1589 | high = parse_and_eval_address (p); |
53a71c06 CR |
1590 | if (incl_flag) |
1591 | high += low; | |
83c31e7d FN |
1592 | } |
1593 | ||
e9480230 | 1594 | print_disassembly (gdbarch, name, low, high, block, flags); |
83c31e7d FN |
1595 | } |
1596 | ||
d318976c | 1597 | static void |
0b39b52e | 1598 | make_command (const char *arg, int from_tty) |
d318976c | 1599 | { |
d318976c | 1600 | if (arg == 0) |
be47f9e8 | 1601 | shell_escape ("make", from_tty); |
d318976c FN |
1602 | else |
1603 | { | |
be47f9e8 | 1604 | std::string cmd = std::string ("make ") + arg; |
d318976c | 1605 | |
be47f9e8 PA |
1606 | shell_escape (cmd.c_str (), from_tty); |
1607 | } | |
d318976c FN |
1608 | } |
1609 | ||
d318976c | 1610 | static void |
dede02ce | 1611 | show_user (const char *args, int from_tty) |
d318976c FN |
1612 | { |
1613 | struct cmd_list_element *c; | |
d318976c FN |
1614 | |
1615 | if (args) | |
1616 | { | |
6f937416 | 1617 | const char *comname = args; |
cdb27c12 | 1618 | |
cf00cd6f | 1619 | c = lookup_cmd (&comname, cmdlist, "", NULL, 0, 1); |
a9f116cb | 1620 | if (!cli_user_command_p (c)) |
8a3fe4f8 | 1621 | error (_("Not a user command.")); |
adb483fe | 1622 | show_user_1 (c, "", args, gdb_stdout); |
d318976c FN |
1623 | } |
1624 | else | |
1625 | { | |
1626 | for (c = cmdlist; c; c = c->next) | |
1627 | { | |
3d0b3564 | 1628 | if (cli_user_command_p (c) || c->is_prefix ()) |
adb483fe | 1629 | show_user_1 (c, "", c->name, gdb_stdout); |
d318976c FN |
1630 | } |
1631 | } | |
1632 | } | |
1633 | ||
1634 | /* Search through names of commands and documentations for a certain | |
ebcd3b23 MS |
1635 | regular expression. */ |
1636 | ||
66d8c862 PW |
1637 | static void |
1638 | apropos_command (const char *arg, int from_tty) | |
d318976c | 1639 | { |
66d8c862 PW |
1640 | bool verbose = arg && check_for_argument (&arg, "-v", 2); |
1641 | ||
66d8c862 | 1642 | if (arg == NULL || *arg == '\0') |
f55af66d | 1643 | error (_("REGEXP string is empty")); |
d318976c | 1644 | |
66d8c862 | 1645 | compiled_regex pattern (arg, REG_ICASE, |
2d7cc5c7 | 1646 | _("Error in regular expression")); |
dc92e161 | 1647 | |
66d8c862 | 1648 | apropos_cmd (gdb_stdout, cmdlist, verbose, pattern, ""); |
d318976c | 1649 | } |
5a56e9c5 | 1650 | |
cf00cd6f PW |
1651 | /* The options for the "alias" command. */ |
1652 | ||
1653 | struct alias_opts | |
1654 | { | |
1655 | /* For "-a". */ | |
1656 | bool abbrev_flag = false; | |
1657 | }; | |
1658 | ||
1659 | static const gdb::option::option_def alias_option_defs[] = { | |
1660 | ||
1661 | gdb::option::flag_option_def<alias_opts> { | |
1662 | "a", | |
1663 | [] (alias_opts *opts) { return &opts->abbrev_flag; }, | |
1664 | N_("Specify that ALIAS is an abbreviation of COMMAND.\n\ | |
1665 | Abbreviations are not used in command completion."), | |
1666 | }, | |
1667 | ||
1668 | }; | |
1669 | ||
1670 | /* Create an option_def_group for the "alias" options, with | |
1671 | A_OPTS as context. */ | |
1672 | ||
1673 | static gdb::option::option_def_group | |
1674 | make_alias_options_def_group (alias_opts *a_opts) | |
1675 | { | |
1676 | return {{alias_option_defs}, a_opts}; | |
1677 | } | |
1678 | ||
1679 | /* Completer for the "alias_command". */ | |
1680 | ||
1681 | static void | |
1682 | alias_command_completer (struct cmd_list_element *ignore, | |
1683 | completion_tracker &tracker, | |
1684 | const char *text, const char *word) | |
1685 | { | |
1686 | const auto grp = make_alias_options_def_group (nullptr); | |
1687 | ||
1688 | tracker.set_use_custom_word_point (true); | |
1689 | ||
1690 | if (gdb::option::complete_options | |
1691 | (tracker, &text, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_ERROR, grp)) | |
1692 | return; | |
1693 | ||
1694 | const char *delim = strchr (text, '='); | |
1695 | ||
1696 | /* If we're past the "=" delimiter, complete the | |
1697 | "alias ALIAS = COMMAND [DEFAULT-ARGS...]" as if the user is | |
1698 | typing COMMAND DEFAULT-ARGS... */ | |
1699 | if (delim != text | |
1700 | && delim != nullptr | |
1701 | && isspace (delim[-1]) | |
1702 | && (isspace (delim[1]) || delim[1] == '\0')) | |
1703 | { | |
1704 | std::string new_text = std::string (delim + 1); | |
1705 | ||
1706 | tracker.advance_custom_word_point_by (delim + 1 - text); | |
1707 | complete_nested_command_line (tracker, new_text.c_str ()); | |
1708 | return; | |
1709 | } | |
1710 | ||
1711 | /* We're not yet past the "=" delimiter. Complete a command, as | |
1712 | the user might type an alias following a prefix command. */ | |
1713 | complete_nested_command_line (tracker, text); | |
1714 | } | |
1715 | ||
5a56e9c5 DE |
1716 | /* Subroutine of alias_command to simplify it. |
1717 | Return the first N elements of ARGV flattened back to a string | |
1718 | with a space separating each element. | |
1719 | ARGV may not be NULL. | |
1720 | This does not take care of quoting elements in case they contain spaces | |
1721 | on purpose. */ | |
1722 | ||
a97e29d2 TT |
1723 | static std::string |
1724 | argv_to_string (char **argv, int n) | |
5a56e9c5 DE |
1725 | { |
1726 | int i; | |
a97e29d2 | 1727 | std::string result; |
5a56e9c5 DE |
1728 | |
1729 | gdb_assert (argv != NULL); | |
1730 | gdb_assert (n >= 0 && n <= countargv (argv)); | |
1731 | ||
1732 | for (i = 0; i < n; ++i) | |
1733 | { | |
1734 | if (i > 0) | |
a97e29d2 TT |
1735 | result += " "; |
1736 | result += argv[i]; | |
5a56e9c5 DE |
1737 | } |
1738 | ||
1739 | return result; | |
1740 | } | |
1741 | ||
1742 | /* Subroutine of alias_command to simplify it. | |
cf00cd6f PW |
1743 | Verifies that COMMAND can have an alias: |
1744 | COMMAND must exist. | |
1745 | COMMAND must not have default args. | |
1746 | This last condition is to avoid the following: | |
1747 | alias aaa = backtrace -full | |
1748 | alias bbb = aaa -past-main | |
1749 | as (at least currently), alias default args are not cumulative | |
1750 | and the user would expect bbb to execute 'backtrace -full -past-main' | |
1751 | while it will execute 'backtrace -past-main'. */ | |
5a56e9c5 | 1752 | |
cf00cd6f PW |
1753 | static void |
1754 | validate_aliased_command (const char *command) | |
5a56e9c5 DE |
1755 | { |
1756 | struct cmd_list_element *c; | |
cf00cd6f | 1757 | std::string default_args; |
5a56e9c5 | 1758 | |
cf00cd6f | 1759 | c = lookup_cmd_1 (& command, cmdlist, NULL, &default_args, 1); |
5a56e9c5 DE |
1760 | |
1761 | if (c == NULL || c == (struct cmd_list_element *) -1) | |
cf00cd6f PW |
1762 | error (_("Invalid command to alias to: %s"), command); |
1763 | ||
1764 | if (!default_args.empty ()) | |
1765 | error (_("Cannot define an alias of an alias that has default args")); | |
5a56e9c5 DE |
1766 | } |
1767 | ||
7f31862a PA |
1768 | /* Called when "alias" was incorrectly used. */ |
1769 | ||
1770 | static void | |
1771 | alias_usage_error (void) | |
1772 | { | |
cf00cd6f | 1773 | error (_("Usage: alias [-a] [--] ALIAS = COMMAND [DEFAULT-ARGS...]")); |
7f31862a PA |
1774 | } |
1775 | ||
5a56e9c5 DE |
1776 | /* Make an alias of an existing command. */ |
1777 | ||
1778 | static void | |
0b39b52e | 1779 | alias_command (const char *args, int from_tty) |
5a56e9c5 | 1780 | { |
cf00cd6f PW |
1781 | alias_opts a_opts; |
1782 | ||
1783 | auto grp = make_alias_options_def_group (&a_opts); | |
1784 | gdb::option::process_options | |
1785 | (&args, gdb::option::PROCESS_OPTIONS_UNKNOWN_IS_ERROR, grp); | |
1786 | ||
5a56e9c5 | 1787 | int i, alias_argc, command_argc; |
0b39b52e | 1788 | const char *equals; |
a97e29d2 | 1789 | const char *alias, *command; |
5a56e9c5 DE |
1790 | |
1791 | if (args == NULL || strchr (args, '=') == NULL) | |
7f31862a | 1792 | alias_usage_error (); |
5a56e9c5 | 1793 | |
773a1edc TT |
1794 | equals = strchr (args, '='); |
1795 | std::string args2 (args, equals - args); | |
1796 | ||
1797 | gdb_argv built_alias_argv (args2.c_str ()); | |
cf00cd6f PW |
1798 | |
1799 | const char *default_args = equals + 1; | |
1800 | struct cmd_list_element *c_command_prefix; | |
1801 | ||
1802 | lookup_cmd_for_default_args (&default_args, &c_command_prefix); | |
1803 | std::string command_argv_str (equals + 1, | |
1804 | default_args == nullptr | |
1805 | ? strlen (equals + 1) | |
1806 | : default_args - equals - 1); | |
1807 | gdb_argv command_argv (command_argv_str.c_str ()); | |
5a56e9c5 | 1808 | |
773a1edc | 1809 | char **alias_argv = built_alias_argv.get (); |
5a56e9c5 DE |
1810 | |
1811 | if (alias_argv[0] == NULL || command_argv[0] == NULL | |
1812 | || *alias_argv[0] == '\0' || *command_argv[0] == '\0') | |
7f31862a | 1813 | alias_usage_error (); |
5a56e9c5 DE |
1814 | |
1815 | for (i = 0; alias_argv[i] != NULL; ++i) | |
1816 | { | |
1817 | if (! valid_user_defined_cmd_name_p (alias_argv[i])) | |
1818 | { | |
1819 | if (i == 0) | |
1820 | error (_("Invalid command name: %s"), alias_argv[i]); | |
1821 | else | |
1822 | error (_("Invalid command element name: %s"), alias_argv[i]); | |
1823 | } | |
1824 | } | |
1825 | ||
1826 | alias_argc = countargv (alias_argv); | |
773a1edc | 1827 | command_argc = command_argv.count (); |
5a56e9c5 | 1828 | |
cf00cd6f | 1829 | /* COMMAND must exist, and cannot have default args. |
5a56e9c5 DE |
1830 | Reconstruct the command to remove any extraneous spaces, |
1831 | for better error messages. */ | |
773a1edc TT |
1832 | std::string command_string (argv_to_string (command_argv.get (), |
1833 | command_argc)); | |
a97e29d2 | 1834 | command = command_string.c_str (); |
cf00cd6f | 1835 | validate_aliased_command (command); |
5a56e9c5 DE |
1836 | |
1837 | /* ALIAS must not exist. */ | |
a97e29d2 TT |
1838 | std::string alias_string (argv_to_string (alias_argv, alias_argc)); |
1839 | alias = alias_string.c_str (); | |
0605465f PW |
1840 | { |
1841 | cmd_list_element *alias_cmd, *prefix_cmd, *cmd; | |
1842 | ||
1843 | if (lookup_cmd_composition (alias, &alias_cmd, &prefix_cmd, &cmd)) | |
1844 | { | |
1845 | const char *alias_name = alias_argv[alias_argc-1]; | |
1846 | ||
1847 | /* If we found an existing ALIAS_CMD, check that the prefix differ or | |
1848 | the name differ. */ | |
1849 | ||
1850 | if (alias_cmd != nullptr | |
1851 | && alias_cmd->prefix == prefix_cmd | |
1852 | && strcmp (alias_name, alias_cmd->name) == 0) | |
1853 | error (_("Alias already exists: %s"), alias); | |
1854 | ||
1855 | /* Check ALIAS differs from the found CMD. */ | |
1856 | ||
1857 | if (cmd->prefix == prefix_cmd | |
1858 | && strcmp (alias_name, cmd->name) == 0) | |
1859 | error (_("Alias %s is the name of an existing command"), alias); | |
1860 | } | |
1861 | } | |
1862 | ||
5a56e9c5 | 1863 | |
cf00cd6f PW |
1864 | struct cmd_list_element *alias_cmd; |
1865 | ||
5a56e9c5 DE |
1866 | /* If ALIAS is one word, it is an alias for the entire COMMAND. |
1867 | Example: alias spe = set print elements | |
1868 | ||
1869 | Otherwise ALIAS and COMMAND must have the same number of words, | |
b65b566c PW |
1870 | and every word except the last must identify the same prefix command; |
1871 | and the last word of ALIAS is made an alias of the last word of COMMAND. | |
5a56e9c5 DE |
1872 | Example: alias set print elms = set pr elem |
1873 | Note that unambiguous abbreviations are allowed. */ | |
1874 | ||
1875 | if (alias_argc == 1) | |
1876 | { | |
1877 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
cf00cd6f PW |
1878 | alias_cmd = add_com_alias (xstrdup (alias_argv[0]), command, class_alias, |
1879 | a_opts.abbrev_flag); | |
5a56e9c5 DE |
1880 | } |
1881 | else | |
1882 | { | |
6f937416 | 1883 | const char *alias_prefix, *command_prefix; |
5a56e9c5 DE |
1884 | struct cmd_list_element *c_alias, *c_command; |
1885 | ||
1886 | if (alias_argc != command_argc) | |
1887 | error (_("Mismatched command length between ALIAS and COMMAND.")); | |
1888 | ||
1889 | /* Create copies of ALIAS and COMMAND without the last word, | |
b65b566c PW |
1890 | and use that to verify the leading elements give the same |
1891 | prefix command. */ | |
a97e29d2 TT |
1892 | std::string alias_prefix_string (argv_to_string (alias_argv, |
1893 | alias_argc - 1)); | |
b65b566c | 1894 | std::string command_prefix_string (argv_to_string (command_argv.get (), |
a97e29d2 TT |
1895 | command_argc - 1)); |
1896 | alias_prefix = alias_prefix_string.c_str (); | |
1897 | command_prefix = command_prefix_string.c_str (); | |
5a56e9c5 | 1898 | |
cf00cd6f | 1899 | c_command = lookup_cmd_1 (& command_prefix, cmdlist, NULL, NULL, 1); |
5a56e9c5 DE |
1900 | /* We've already tried to look up COMMAND. */ |
1901 | gdb_assert (c_command != NULL | |
1902 | && c_command != (struct cmd_list_element *) -1); | |
3d0b3564 | 1903 | gdb_assert (c_command->is_prefix ()); |
cf00cd6f | 1904 | c_alias = lookup_cmd_1 (& alias_prefix, cmdlist, NULL, NULL, 1); |
5a56e9c5 DE |
1905 | if (c_alias != c_command) |
1906 | error (_("ALIAS and COMMAND prefixes do not match.")); | |
1907 | ||
1908 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
cf00cd6f PW |
1909 | alias_cmd = add_alias_cmd (xstrdup (alias_argv[alias_argc - 1]), |
1910 | command_argv[command_argc - 1], | |
1911 | class_alias, a_opts.abbrev_flag, | |
14b42fc4 | 1912 | c_command->subcommands); |
cf00cd6f PW |
1913 | } |
1914 | ||
1915 | gdb_assert (alias_cmd != nullptr); | |
1916 | gdb_assert (alias_cmd->default_args.empty ()); | |
1917 | if (default_args != nullptr) | |
1918 | { | |
1919 | default_args = skip_spaces (default_args); | |
1920 | ||
1921 | alias_cmd->default_args = default_args; | |
5a56e9c5 DE |
1922 | } |
1923 | } | |
d318976c | 1924 | \f |
06871ae8 PA |
1925 | /* Print the file / line number / symbol name of the location |
1926 | specified by SAL. */ | |
1927 | ||
1928 | static void | |
1929 | print_sal_location (const symtab_and_line &sal) | |
1930 | { | |
1931 | scoped_restore_current_program_space restore_pspace; | |
1932 | set_current_program_space (sal.pspace); | |
1933 | ||
1934 | const char *sym_name = NULL; | |
1935 | if (sal.symbol != NULL) | |
987012b8 | 1936 | sym_name = sal.symbol->print_name (); |
06871ae8 PA |
1937 | printf_filtered (_("file: \"%s\", line number: %d, symbol: \"%s\"\n"), |
1938 | symtab_to_filename_for_display (sal.symtab), | |
1939 | sal.line, sym_name != NULL ? sym_name : "???"); | |
1940 | } | |
1941 | ||
0378c332 | 1942 | /* Print a list of files and line numbers which a user may choose from |
ebcd3b23 | 1943 | in order to list a function which was specified ambiguously (as |
6c5b2ebe PA |
1944 | with `list classname::overloadedfuncname', for example). The SALS |
1945 | array provides the filenames and line numbers. FORMAT is a | |
1946 | printf-style format string used to tell the user what was | |
e439fa14 | 1947 | ambiguous. */ |
0378c332 FN |
1948 | |
1949 | static void | |
6c5b2ebe PA |
1950 | ambiguous_line_spec (gdb::array_view<const symtab_and_line> sals, |
1951 | const char *format, ...) | |
0378c332 | 1952 | { |
e439fa14 PA |
1953 | va_list ap; |
1954 | va_start (ap, format); | |
1955 | vprintf_filtered (format, ap); | |
1956 | va_end (ap); | |
1957 | ||
6c5b2ebe | 1958 | for (const auto &sal : sals) |
06871ae8 | 1959 | print_sal_location (sal); |
0378c332 FN |
1960 | } |
1961 | ||
6c5b2ebe PA |
1962 | /* Comparison function for filter_sals. Returns a qsort-style |
1963 | result. */ | |
f8eba3c6 TT |
1964 | |
1965 | static int | |
6c5b2ebe | 1966 | cmp_symtabs (const symtab_and_line &sala, const symtab_and_line &salb) |
f8eba3c6 | 1967 | { |
6c5b2ebe PA |
1968 | const char *dira = SYMTAB_DIRNAME (sala.symtab); |
1969 | const char *dirb = SYMTAB_DIRNAME (salb.symtab); | |
f8eba3c6 TT |
1970 | int r; |
1971 | ||
ee6f8984 | 1972 | if (dira == NULL) |
f8eba3c6 | 1973 | { |
ee6f8984 | 1974 | if (dirb != NULL) |
f8eba3c6 TT |
1975 | return -1; |
1976 | } | |
ee6f8984 | 1977 | else if (dirb == NULL) |
f8eba3c6 | 1978 | { |
ee6f8984 | 1979 | if (dira != NULL) |
f8eba3c6 TT |
1980 | return 1; |
1981 | } | |
1982 | else | |
1983 | { | |
ee6f8984 | 1984 | r = filename_cmp (dira, dirb); |
f8eba3c6 TT |
1985 | if (r) |
1986 | return r; | |
1987 | } | |
1988 | ||
6c5b2ebe | 1989 | r = filename_cmp (sala.symtab->filename, salb.symtab->filename); |
f8eba3c6 TT |
1990 | if (r) |
1991 | return r; | |
1992 | ||
6c5b2ebe | 1993 | if (sala.line < salb.line) |
f8eba3c6 | 1994 | return -1; |
6c5b2ebe | 1995 | return sala.line == salb.line ? 0 : 1; |
f8eba3c6 TT |
1996 | } |
1997 | ||
1998 | /* Remove any SALs that do not match the current program space, or | |
1999 | which appear to be "file:line" duplicates. */ | |
2000 | ||
2001 | static void | |
6c5b2ebe | 2002 | filter_sals (std::vector<symtab_and_line> &sals) |
f8eba3c6 | 2003 | { |
6c5b2ebe PA |
2004 | /* Remove SALs that do not match. */ |
2005 | auto from = std::remove_if (sals.begin (), sals.end (), | |
2006 | [&] (const symtab_and_line &sal) | |
2007 | { return (sal.pspace != current_program_space || sal.symtab == NULL); }); | |
2008 | ||
2009 | /* Remove dups. */ | |
2010 | std::sort (sals.begin (), from, | |
2011 | [] (const symtab_and_line &sala, const symtab_and_line &salb) | |
2012 | { return cmp_symtabs (sala, salb) < 0; }); | |
2013 | ||
2014 | from = std::unique (sals.begin (), from, | |
2015 | [&] (const symtab_and_line &sala, | |
2016 | const symtab_and_line &salb) | |
2017 | { return cmp_symtabs (sala, salb) == 0; }); | |
2018 | ||
2019 | sals.erase (from, sals.end ()); | |
f8eba3c6 TT |
2020 | } |
2021 | ||
d318976c FN |
2022 | void |
2023 | init_cmd_lists (void) | |
2024 | { | |
20f01a46 | 2025 | max_user_call_depth = 1024; |
d318976c FN |
2026 | } |
2027 | ||
920d2a44 AC |
2028 | static void |
2029 | show_info_verbose (struct ui_file *file, int from_tty, | |
2030 | struct cmd_list_element *c, | |
2031 | const char *value) | |
2032 | { | |
2033 | if (info_verbose) | |
9a2b4c1b MS |
2034 | fprintf_filtered (file, |
2035 | _("Verbose printing of informational messages is %s.\n"), | |
2036 | value); | |
920d2a44 AC |
2037 | else |
2038 | fprintf_filtered (file, _("Verbosity is %s.\n"), value); | |
2039 | } | |
2040 | ||
2041 | static void | |
2042 | show_history_expansion_p (struct ui_file *file, int from_tty, | |
2043 | struct cmd_list_element *c, const char *value) | |
2044 | { | |
2045 | fprintf_filtered (file, _("History expansion on command input is %s.\n"), | |
2046 | value); | |
2047 | } | |
2048 | ||
920d2a44 AC |
2049 | static void |
2050 | show_max_user_call_depth (struct ui_file *file, int from_tty, | |
2051 | struct cmd_list_element *c, const char *value) | |
2052 | { | |
9a2b4c1b MS |
2053 | fprintf_filtered (file, |
2054 | _("The max call depth for user-defined commands is %s.\n"), | |
920d2a44 AC |
2055 | value); |
2056 | } | |
2057 | ||
9ad9b77d PW |
2058 | /* Returns the cmd_list_element in SHOWLIST corresponding to the first |
2059 | argument of ARGV, which must contain one single value. | |
2060 | Throws an error if no value provided, or value not correct. | |
2061 | FNNAME is used in the error message. */ | |
2062 | ||
2063 | static cmd_list_element * | |
2064 | setting_cmd (const char *fnname, struct cmd_list_element *showlist, | |
2065 | int argc, struct value **argv) | |
2066 | { | |
2067 | if (argc == 0) | |
2068 | error (_("You must provide an argument to %s"), fnname); | |
2069 | if (argc != 1) | |
2070 | error (_("You can only provide one argument to %s"), fnname); | |
2071 | ||
2072 | struct type *type0 = check_typedef (value_type (argv[0])); | |
2073 | ||
78134374 SM |
2074 | if (type0->code () != TYPE_CODE_ARRAY |
2075 | && type0->code () != TYPE_CODE_STRING) | |
9ad9b77d PW |
2076 | error (_("First argument of %s must be a string."), fnname); |
2077 | ||
2078 | const char *a0 = (const char *) value_contents (argv[0]); | |
cf00cd6f | 2079 | cmd_list_element *cmd = lookup_cmd (&a0, showlist, "", NULL, -1, 0); |
9ad9b77d | 2080 | |
cd4c4c07 | 2081 | if (cmd == nullptr || cmd->type != show_cmd) |
9ad9b77d PW |
2082 | error (_("First argument of %s must be a " |
2083 | "valid setting of the 'show' command."), fnname); | |
2084 | ||
2085 | return cmd; | |
2086 | } | |
2087 | ||
2088 | /* Builds a value from the show CMD. */ | |
2089 | ||
2090 | static struct value * | |
2091 | value_from_setting (const cmd_list_element *cmd, struct gdbarch *gdbarch) | |
2092 | { | |
2093 | switch (cmd->var_type) | |
2094 | { | |
2095 | case var_integer: | |
2096 | if (*(int *) cmd->var == INT_MAX) | |
2097 | return value_from_longest (builtin_type (gdbarch)->builtin_int, | |
2098 | 0); | |
2099 | else | |
2100 | return value_from_longest (builtin_type (gdbarch)->builtin_int, | |
2101 | *(int *) cmd->var); | |
2102 | case var_zinteger: | |
2103 | return value_from_longest (builtin_type (gdbarch)->builtin_int, | |
2104 | *(int *) cmd->var); | |
2105 | case var_boolean: | |
2106 | return value_from_longest (builtin_type (gdbarch)->builtin_int, | |
2107 | *(bool *) cmd->var ? 1 : 0); | |
2108 | case var_zuinteger_unlimited: | |
2109 | return value_from_longest (builtin_type (gdbarch)->builtin_int, | |
2110 | *(int *) cmd->var); | |
2111 | case var_auto_boolean: | |
2112 | { | |
2113 | int val; | |
2114 | ||
2115 | switch (*(enum auto_boolean*) cmd->var) | |
2116 | { | |
2117 | case AUTO_BOOLEAN_TRUE: | |
2118 | val = 1; | |
2119 | break; | |
2120 | case AUTO_BOOLEAN_FALSE: | |
2121 | val = 0; | |
2122 | break; | |
2123 | case AUTO_BOOLEAN_AUTO: | |
2124 | val = -1; | |
2125 | break; | |
2126 | default: | |
2127 | gdb_assert_not_reached ("invalid var_auto_boolean"); | |
2128 | } | |
2129 | return value_from_longest (builtin_type (gdbarch)->builtin_int, | |
2130 | val); | |
2131 | } | |
2132 | case var_uinteger: | |
2133 | if (*(unsigned int *) cmd->var == UINT_MAX) | |
2134 | return value_from_ulongest | |
2135 | (builtin_type (gdbarch)->builtin_unsigned_int, 0); | |
2136 | else | |
2137 | return value_from_ulongest | |
2138 | (builtin_type (gdbarch)->builtin_unsigned_int, | |
2139 | *(unsigned int *) cmd->var); | |
2140 | case var_zuinteger: | |
2141 | return value_from_ulongest (builtin_type (gdbarch)->builtin_unsigned_int, | |
2142 | *(unsigned int *) cmd->var); | |
2143 | case var_string: | |
2144 | case var_string_noescape: | |
2145 | case var_optional_filename: | |
2146 | case var_filename: | |
2147 | case var_enum: | |
2148 | if (*(char **) cmd->var) | |
2149 | return value_cstring (*(char **) cmd->var, strlen (*(char **) cmd->var), | |
2150 | builtin_type (gdbarch)->builtin_char); | |
2151 | else | |
2152 | return value_cstring ("", 1, | |
2153 | builtin_type (gdbarch)->builtin_char); | |
2154 | default: | |
2155 | gdb_assert_not_reached ("bad var_type"); | |
2156 | } | |
2157 | } | |
2158 | ||
2159 | /* Implementation of the convenience function $_gdb_setting. */ | |
2160 | ||
2161 | static struct value * | |
2162 | gdb_setting_internal_fn (struct gdbarch *gdbarch, | |
2163 | const struct language_defn *language, | |
2164 | void *cookie, int argc, struct value **argv) | |
2165 | { | |
2166 | return value_from_setting (setting_cmd ("$_gdb_setting", showlist, | |
2167 | argc, argv), | |
2168 | gdbarch); | |
2169 | } | |
2170 | ||
2171 | /* Implementation of the convenience function $_gdb_maint_setting. */ | |
2172 | ||
2173 | static struct value * | |
2174 | gdb_maint_setting_internal_fn (struct gdbarch *gdbarch, | |
2175 | const struct language_defn *language, | |
2176 | void *cookie, int argc, struct value **argv) | |
2177 | { | |
2178 | return value_from_setting (setting_cmd ("$_gdb_maint_setting", | |
2179 | maintenance_show_cmdlist, | |
2180 | argc, argv), | |
2181 | gdbarch); | |
2182 | } | |
2183 | ||
2184 | /* Builds a string value from the show CMD. */ | |
2185 | ||
2186 | static struct value * | |
2187 | str_value_from_setting (const cmd_list_element *cmd, struct gdbarch *gdbarch) | |
2188 | { | |
2189 | switch (cmd->var_type) | |
2190 | { | |
2191 | case var_integer: | |
2192 | case var_zinteger: | |
2193 | case var_boolean: | |
2194 | case var_zuinteger_unlimited: | |
2195 | case var_auto_boolean: | |
2196 | case var_uinteger: | |
2197 | case var_zuinteger: | |
2198 | { | |
2199 | std::string cmd_val = get_setshow_command_value_string (cmd); | |
2200 | ||
2201 | return value_cstring (cmd_val.c_str (), cmd_val.size (), | |
2202 | builtin_type (gdbarch)->builtin_char); | |
2203 | } | |
2204 | ||
2205 | case var_string: | |
2206 | case var_string_noescape: | |
2207 | case var_optional_filename: | |
2208 | case var_filename: | |
2209 | case var_enum: | |
2210 | /* For these cases, we do not use get_setshow_command_value_string, | |
2211 | as this function handle some characters specially, e.g. by | |
2212 | escaping quotes. So, we directly use the cmd->var string value, | |
2213 | similarly to the value_from_setting code for these cases. */ | |
2214 | if (*(char **) cmd->var) | |
2215 | return value_cstring (*(char **) cmd->var, strlen (*(char **) cmd->var), | |
2216 | builtin_type (gdbarch)->builtin_char); | |
2217 | else | |
2218 | return value_cstring ("", 1, | |
2219 | builtin_type (gdbarch)->builtin_char); | |
2220 | ||
2221 | default: | |
2222 | gdb_assert_not_reached ("bad var_type"); | |
2223 | } | |
2224 | } | |
2225 | ||
2226 | /* Implementation of the convenience function $_gdb_setting_str. */ | |
2227 | ||
2228 | static struct value * | |
2229 | gdb_setting_str_internal_fn (struct gdbarch *gdbarch, | |
2230 | const struct language_defn *language, | |
2231 | void *cookie, int argc, struct value **argv) | |
2232 | { | |
2233 | return str_value_from_setting (setting_cmd ("$_gdb_setting_str", | |
2234 | showlist, argc, argv), | |
2235 | gdbarch); | |
2236 | } | |
2237 | ||
2238 | ||
2239 | /* Implementation of the convenience function $_gdb_maint_setting_str. */ | |
2240 | ||
2241 | static struct value * | |
2242 | gdb_maint_setting_str_internal_fn (struct gdbarch *gdbarch, | |
2243 | const struct language_defn *language, | |
2244 | void *cookie, int argc, struct value **argv) | |
2245 | { | |
2246 | return str_value_from_setting (setting_cmd ("$_gdb_maint_setting_str", | |
2247 | maintenance_show_cmdlist, | |
2248 | argc, argv), | |
2249 | gdbarch); | |
2250 | } | |
2251 | ||
6c265988 | 2252 | void _initialize_cli_cmds (); |
d318976c | 2253 | void |
6c265988 | 2254 | _initialize_cli_cmds () |
d318976c FN |
2255 | { |
2256 | struct cmd_list_element *c; | |
2257 | ||
2258 | /* Define the classes of commands. | |
1bfeeb0f | 2259 | They will appear in the help list in alphabetical order. */ |
d318976c | 2260 | |
0450cc4c | 2261 | add_cmd ("internals", class_maintenance, _("\ |
1a966eab | 2262 | Maintenance commands.\n\ |
d318976c FN |
2263 | Some gdb commands are provided just for use by gdb maintainers.\n\ |
2264 | These commands are subject to frequent change, and may not be as\n\ | |
1a966eab | 2265 | well documented as user commands."), |
d318976c | 2266 | &cmdlist); |
0450cc4c TT |
2267 | add_cmd ("obscure", class_obscure, _("Obscure features."), &cmdlist); |
2268 | add_cmd ("aliases", class_alias, | |
cf00cd6f | 2269 | _("User-defined aliases of other commands."), &cmdlist); |
0450cc4c | 2270 | add_cmd ("user-defined", class_user, _("\ |
1a966eab | 2271 | User-defined commands.\n\ |
d318976c | 2272 | The commands in this class are those defined by the user.\n\ |
1a966eab | 2273 | Use the \"define\" command to define a command."), &cmdlist); |
0450cc4c | 2274 | add_cmd ("support", class_support, _("Support facilities."), &cmdlist); |
d318976c | 2275 | if (!dbx_commands) |
0450cc4c TT |
2276 | add_cmd ("status", class_info, _("Status inquiries."), &cmdlist); |
2277 | add_cmd ("files", class_files, _("Specifying and examining files."), | |
1a966eab | 2278 | &cmdlist); |
0450cc4c | 2279 | add_cmd ("breakpoints", class_breakpoint, |
1a966eab | 2280 | _("Making program stop at certain points."), &cmdlist); |
0450cc4c TT |
2281 | add_cmd ("data", class_vars, _("Examining data."), &cmdlist); |
2282 | add_cmd ("stack", class_stack, _("\ | |
1a966eab | 2283 | Examining the stack.\n\ |
d318976c FN |
2284 | The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\ |
2285 | counting from zero for the innermost (currently executing) frame.\n\n\ | |
2286 | At any time gdb identifies one frame as the \"selected\" frame.\n\ | |
2287 | Variable lookups are done with respect to the selected frame.\n\ | |
2288 | When the program being debugged stops, gdb selects the innermost frame.\n\ | |
1a966eab | 2289 | The commands below can be used to select other frames by number or address."), |
d318976c | 2290 | &cmdlist); |
e98d2e6d PW |
2291 | #ifdef TUI |
2292 | add_cmd ("text-user-interface", class_tui, | |
2293 | _("TUI is the GDB text based interface.\n\ | |
2294 | In TUI mode, GDB can display several text windows showing\n\ | |
2295 | the source file, the processor registers, the program disassembly, ..."), &cmdlist); | |
2296 | #endif | |
0450cc4c | 2297 | add_cmd ("running", class_run, _("Running the program."), &cmdlist); |
d318976c | 2298 | |
ebcd3b23 | 2299 | /* Define general commands. */ |
d318976c | 2300 | |
d729566a | 2301 | add_com ("pwd", class_files, pwd_command, _("\ |
590042fc PW |
2302 | Print working directory.\n\ |
2303 | This is used for your program as well.")); | |
4f8d22e3 | 2304 | |
1a966eab | 2305 | c = add_cmd ("cd", class_files, cd_command, _("\ |
d092c5a2 SDJ |
2306 | Set working directory to DIR for debugger.\n\ |
2307 | The debugger's current working directory specifies where scripts and other\n\ | |
2308 | files that can be loaded by GDB are located.\n\ | |
2309 | In order to change the inferior's current working directory, the recommended\n\ | |
2310 | way is to use the \"set cwd\" command."), &cmdlist); | |
5ba2abeb | 2311 | set_cmd_completer (c, filename_completer); |
d318976c | 2312 | |
1bedd215 AC |
2313 | add_com ("echo", class_support, echo_command, _("\ |
2314 | Print a constant string. Give string as argument.\n\ | |
d318976c FN |
2315 | C escape sequences may be used in the argument.\n\ |
2316 | No newline is added at the end of the argument;\n\ | |
2317 | use \"\\n\" if you want a newline to be printed.\n\ | |
2318 | Since leading and trailing whitespace are ignored in command arguments,\n\ | |
2319 | if you want to print some you must use \"\\\" before leading whitespace\n\ | |
1bedd215 | 2320 | to be printed or after trailing whitespace.")); |
d318976c | 2321 | |
973817a3 JB |
2322 | add_setshow_enum_cmd ("script-extension", class_support, |
2323 | script_ext_enums, &script_ext_mode, _("\ | |
2324 | Set mode for script filename extension recognition."), _("\ | |
2325 | Show mode for script filename extension recognition."), _("\ | |
2326 | off == no filename extension recognition (all sourced files are GDB scripts)\n\ | |
2327 | soft == evaluate script according to filename extension, fallback to GDB script" | |
2328 | "\n\ | |
2329 | strict == evaluate script according to filename extension, error if not supported" | |
2330 | ), | |
2331 | NULL, | |
2332 | show_script_ext_mode, | |
2333 | &setlist, &showlist); | |
2334 | ||
bdb52a22 TT |
2335 | add_com ("quit", class_support, quit_command, _("\ |
2336 | Exit gdb.\n\ | |
2337 | Usage: quit [EXPR]\n\ | |
2338 | The optional expression EXPR, if present, is evaluated and the result\n\ | |
2339 | used as GDB's exit code. The default is zero.")); | |
1bedd215 AC |
2340 | c = add_com ("help", class_support, help_command, |
2341 | _("Print list of commands.")); | |
5ba2abeb | 2342 | set_cmd_completer (c, command_completer); |
d318976c FN |
2343 | add_com_alias ("q", "quit", class_support, 1); |
2344 | add_com_alias ("h", "help", class_support, 1); | |
2345 | ||
5bf193a2 AC |
2346 | add_setshow_boolean_cmd ("verbose", class_support, &info_verbose, _("\ |
2347 | Set verbosity."), _("\ | |
2348 | Show verbosity."), NULL, | |
2349 | set_verbose, | |
920d2a44 | 2350 | show_info_verbose, |
5bf193a2 | 2351 | &setlist, &showlist); |
d318976c | 2352 | |
0743fc83 TT |
2353 | add_basic_prefix_cmd ("history", class_support, _("\ |
2354 | Generic command for setting command history parameters."), | |
2f822da5 | 2355 | &sethistlist, 0, &setlist); |
0743fc83 TT |
2356 | add_show_prefix_cmd ("history", class_support, _("\ |
2357 | Generic command for showing command history parameters."), | |
2f822da5 | 2358 | &showhistlist, 0, &showlist); |
d318976c | 2359 | |
5bf193a2 AC |
2360 | add_setshow_boolean_cmd ("expansion", no_class, &history_expansion_p, _("\ |
2361 | Set history expansion on command input."), _("\ | |
2362 | Show history expansion on command input."), _("\ | |
2363 | Without an argument, history expansion is enabled."), | |
2364 | NULL, | |
920d2a44 | 2365 | show_history_expansion_p, |
5bf193a2 | 2366 | &sethistlist, &showhistlist); |
d318976c | 2367 | |
4fd6c7e8 | 2368 | add_prefix_cmd ("info", class_info, info_command, _("\ |
1bedd215 | 2369 | Generic command for showing things about the program being debugged."), |
2f822da5 | 2370 | &infolist, 0, &cmdlist); |
d318976c | 2371 | add_com_alias ("i", "info", class_info, 1); |
a177aad3 | 2372 | add_com_alias ("inf", "info", class_info, 1); |
d318976c FN |
2373 | |
2374 | add_com ("complete", class_obscure, complete_command, | |
1bedd215 | 2375 | _("List the completions for the rest of the line as a command.")); |
d318976c | 2376 | |
a7b9ceb8 | 2377 | c = add_show_prefix_cmd ("show", class_info, _("\ |
700b53b1 | 2378 | Generic command for showing things about the debugger."), |
2f822da5 | 2379 | &showlist, 0, &cmdlist); |
d318976c | 2380 | /* Another way to get at the same thing. */ |
a7b9ceb8 | 2381 | add_alias_cmd ("set", c, class_info, 0, &infolist); |
d318976c | 2382 | |
fdbc9870 PA |
2383 | c = add_com ("with", class_vars, with_command, _("\ |
2384 | Temporarily set SETTING to VALUE, run COMMAND, and restore SETTING.\n\ | |
2385 | Usage: with SETTING [VALUE] [-- COMMAND]\n\ | |
2386 | Usage: w SETTING [VALUE] [-- COMMAND]\n\ | |
2387 | With no COMMAND, repeats the last executed command.\n\ | |
2388 | \n\ | |
2389 | SETTING is any setting you can change with the \"set\" subcommands.\n\ | |
2390 | E.g.:\n\ | |
2391 | with language pascal -- print obj\n\ | |
2392 | with print elements unlimited -- print obj\n\ | |
2393 | \n\ | |
2394 | You can change multiple settings using nested with, and use\n\ | |
2395 | abbreviations for commands and/or values. E.g.:\n\ | |
2396 | w la p -- w p el u -- p obj")); | |
2397 | set_cmd_completer_handle_brkchars (c, with_command_completer); | |
2398 | add_com_alias ("w", "with", class_vars, 1); | |
2399 | ||
9ad9b77d PW |
2400 | add_internal_function ("_gdb_setting_str", _("\ |
2401 | $_gdb_setting_str - returns the value of a GDB setting as a string.\n\ | |
2402 | Usage: $_gdb_setting_str (setting)\n\ | |
2403 | \n\ | |
2404 | auto-boolean values are \"off\", \"on\", \"auto\".\n\ | |
2405 | boolean values are \"off\", \"on\".\n\ | |
2406 | Some integer settings accept an unlimited value, returned\n\ | |
2407 | as \"unlimited\"."), | |
2408 | gdb_setting_str_internal_fn, NULL); | |
2409 | ||
2410 | add_internal_function ("_gdb_setting", _("\ | |
2411 | $_gdb_setting - returns the value of a GDB setting.\n\ | |
2412 | Usage: $_gdb_setting (setting)\n\ | |
2413 | auto-boolean values are \"off\", \"on\", \"auto\".\n\ | |
2414 | boolean values are \"off\", \"on\".\n\ | |
2415 | Some integer settings accept an unlimited value, returned\n\ | |
2416 | as 0 or -1 depending on the setting."), | |
2417 | gdb_setting_internal_fn, NULL); | |
2418 | ||
2419 | add_internal_function ("_gdb_maint_setting_str", _("\ | |
2420 | $_gdb_maint_setting_str - returns the value of a GDB maintenance setting as a string.\n\ | |
2421 | Usage: $_gdb_maint_setting_str (setting)\n\ | |
2422 | \n\ | |
2423 | auto-boolean values are \"off\", \"on\", \"auto\".\n\ | |
2424 | boolean values are \"off\", \"on\".\n\ | |
2425 | Some integer settings accept an unlimited value, returned\n\ | |
2426 | as \"unlimited\"."), | |
2427 | gdb_maint_setting_str_internal_fn, NULL); | |
2428 | ||
2429 | add_internal_function ("_gdb_maint_setting", _("\ | |
2430 | $_gdb_maint_setting - returns the value of a GDB maintenance setting.\n\ | |
2431 | Usage: $_gdb_maint_setting (setting)\n\ | |
2432 | auto-boolean values are \"off\", \"on\", \"auto\".\n\ | |
2433 | boolean values are \"off\", \"on\".\n\ | |
2434 | Some integer settings accept an unlimited value, returned\n\ | |
2435 | as 0 or -1 depending on the setting."), | |
2436 | gdb_maint_setting_internal_fn, NULL); | |
2437 | ||
db5f229b | 2438 | add_cmd ("commands", no_set_class, show_commands, _("\ |
1a966eab | 2439 | Show the history of commands you typed.\n\ |
d318976c | 2440 | You can supply a command number to start with, or a `+' to start after\n\ |
1a966eab | 2441 | the previous command number shown."), |
d318976c FN |
2442 | &showlist); |
2443 | ||
db5f229b | 2444 | add_cmd ("version", no_set_class, show_version, |
1a966eab | 2445 | _("Show what version of GDB this is."), &showlist); |
d318976c | 2446 | |
6eaaf48b EZ |
2447 | add_cmd ("configuration", no_set_class, show_configuration, |
2448 | _("Show how GDB was configured at build time."), &showlist); | |
2449 | ||
0743fc83 TT |
2450 | add_basic_prefix_cmd ("debug", no_class, |
2451 | _("Generic command for setting gdb debugging flags."), | |
2f822da5 | 2452 | &setdebuglist, 0, &setlist); |
d318976c | 2453 | |
0743fc83 TT |
2454 | add_show_prefix_cmd ("debug", no_class, |
2455 | _("Generic command for showing gdb debugging flags."), | |
2f822da5 | 2456 | &showdebuglist, 0, &showlist); |
d318976c | 2457 | |
be47f9e8 | 2458 | c = add_com ("shell", class_support, shell_command, _("\ |
1bedd215 AC |
2459 | Execute the rest of the line as a shell command.\n\ |
2460 | With no arguments, run an inferior shell.")); | |
5ba2abeb | 2461 | set_cmd_completer (c, filename_completer); |
d318976c | 2462 | |
d563b953 PW |
2463 | add_com_alias ("!", "shell", class_support, 0); |
2464 | ||
1bedd215 AC |
2465 | c = add_com ("edit", class_files, edit_command, _("\ |
2466 | Edit specified file or function.\n\ | |
0378c332 | 2467 | With no argument, edits file containing most recent line listed.\n\ |
0378c332 FN |
2468 | Editing targets can be specified in these ways:\n\ |
2469 | FILE:LINENUM, to edit at that line in that file,\n\ | |
2470 | FUNCTION, to edit at the beginning of that function,\n\ | |
2471 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
2472 | *ADDRESS, to edit at the line containing that address.\n\ | |
1bedd215 | 2473 | Uses EDITOR environment variable contents as editor (or ex as default).")); |
0378c332 FN |
2474 | |
2475 | c->completer = location_completer; | |
2476 | ||
947d3946 PW |
2477 | c = add_com ("pipe", class_support, pipe_command, _("\ |
2478 | Send the output of a gdb command to a shell command.\n\ | |
2479 | Usage: | [COMMAND] | SHELL_COMMAND\n\ | |
2480 | Usage: | -d DELIM COMMAND DELIM SHELL_COMMAND\n\ | |
2481 | Usage: pipe [COMMAND] | SHELL_COMMAND\n\ | |
2482 | Usage: pipe -d DELIM COMMAND DELIM SHELL_COMMAND\n\ | |
2483 | \n\ | |
2484 | Executes COMMAND and sends its output to SHELL_COMMAND.\n\ | |
2485 | \n\ | |
2486 | The -d option indicates to use the string DELIM to separate COMMAND\n\ | |
2487 | from SHELL_COMMAND, in alternative to |. This is useful in\n\ | |
2488 | case COMMAND contains a | character.\n\ | |
2489 | \n\ | |
2490 | With no COMMAND, repeat the last executed command\n\ | |
2491 | and send its output to SHELL_COMMAND.")); | |
5f4ba3e7 | 2492 | set_cmd_completer_handle_brkchars (c, pipe_command_completer); |
947d3946 PW |
2493 | add_com_alias ("|", "pipe", class_support, 0); |
2494 | ||
1bedd215 AC |
2495 | add_com ("list", class_files, list_command, _("\ |
2496 | List specified function or line.\n\ | |
0378c332 FN |
2497 | With no argument, lists ten more lines after or around previous listing.\n\ |
2498 | \"list -\" lists the ten lines before a previous ten-line listing.\n\ | |
2499 | One argument specifies a line, and ten lines are listed around that line.\n\ | |
2500 | Two arguments with comma between specify starting and ending lines to list.\n\ | |
0378c332 FN |
2501 | Lines can be specified in these ways:\n\ |
2502 | LINENUM, to list around that line in current file,\n\ | |
2503 | FILE:LINENUM, to list around that line in that file,\n\ | |
2504 | FUNCTION, to list around beginning of that function,\n\ | |
2505 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
2506 | *ADDRESS, to list around the line containing that address.\n\ | |
4fdd372d AB |
2507 | With two args, if one is empty, it stands for ten lines away from\n\ |
2508 | the other arg.\n\ | |
2509 | \n\ | |
2510 | By default, when a single location is given, display ten lines.\n\ | |
2511 | This can be changed using \"set listsize\", and the current value\n\ | |
2512 | can be shown using \"show listsize\".")); | |
0378c332 | 2513 | |
4f45d445 | 2514 | add_com_alias ("l", "list", class_files, 1); |
0378c332 FN |
2515 | |
2516 | if (dbx_commands) | |
2517 | add_com_alias ("file", "list", class_files, 1); | |
2518 | ||
1bedd215 AC |
2519 | c = add_com ("disassemble", class_vars, disassemble_command, _("\ |
2520 | Disassemble a specified section of memory.\n\ | |
16f3242c | 2521 | Usage: disassemble[/m|/r|/s] START [, END]\n\ |
83c31e7d | 2522 | Default is the function surrounding the pc of the selected frame.\n\ |
6ff0ba5f | 2523 | \n\ |
16f3242c TT |
2524 | With a /s modifier, source lines are included (if available).\n\ |
2525 | In this mode, the output is displayed in PC address order, and\n\ | |
2526 | file names and contents for all relevant source files are displayed.\n\ | |
2527 | \n\ | |
d14508fe | 2528 | With a /m modifier, source lines are included (if available).\n\ |
6ff0ba5f DE |
2529 | This view is \"source centric\": the output is in source line order,\n\ |
2530 | regardless of any optimization that is present. Only the main source file\n\ | |
2531 | is displayed, not those of, e.g., any inlined functions.\n\ | |
2532 | This modifier hasn't proved useful in practice and is deprecated\n\ | |
2533 | in favor of /s.\n\ | |
2534 | \n\ | |
e6158f16 | 2535 | With a /r modifier, raw instructions in hex are included.\n\ |
6ff0ba5f | 2536 | \n\ |
83c31e7d | 2537 | With a single argument, the function surrounding that address is dumped.\n\ |
53a71c06 | 2538 | Two arguments (separated by a comma) are taken as a range of memory to dump,\n\ |
7e1e0340 DE |
2539 | in the form of \"start,end\", or \"start,+length\".\n\ |
2540 | \n\ | |
2541 | Note that the address is interpreted as an expression, not as a location\n\ | |
2542 | like in the \"break\" command.\n\ | |
2543 | So, for example, if you want to disassemble function bar in file foo.c\n\ | |
2544 | you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\".")); | |
83c31e7d | 2545 | set_cmd_completer (c, location_completer); |
0378c332 | 2546 | |
1bedd215 AC |
2547 | c = add_com ("make", class_support, make_command, _("\ |
2548 | Run the ``make'' program using the rest of the line as arguments.")); | |
5ba2abeb | 2549 | set_cmd_completer (c, filename_completer); |
1a966eab | 2550 | add_cmd ("user", no_class, show_user, _("\ |
ed3ef339 | 2551 | Show definitions of non-python/scheme user defined commands.\n\ |
d318976c | 2552 | Argument is the name of the user defined command.\n\ |
1a966eab | 2553 | With no argument, show definitions of all user defined commands."), &showlist); |
66d8c862 | 2554 | add_com ("apropos", class_support, apropos_command, _("\ |
590042fc | 2555 | Search for commands matching a REGEXP.\n\ |
66d8c862 PW |
2556 | Usage: apropos [-v] REGEXP\n\ |
2557 | Flag -v indicates to produce a verbose output, showing full documentation\n\ | |
2558 | of the matching commands.")); | |
20f01a46 | 2559 | |
883b9c6c | 2560 | add_setshow_uinteger_cmd ("max-user-call-depth", no_class, |
c0d88b1b | 2561 | &max_user_call_depth, _("\ |
ed3ef339 DE |
2562 | Set the max call depth for non-python/scheme user-defined commands."), _("\ |
2563 | Show the max call depth for non-python/scheme user-defined commands."), NULL, | |
883b9c6c YQ |
2564 | NULL, |
2565 | show_max_user_call_depth, | |
2566 | &setlist, &showlist); | |
16026cd7 AS |
2567 | |
2568 | add_setshow_boolean_cmd ("trace-commands", no_class, &trace_commands, _("\ | |
2569 | Set tracing of GDB CLI commands."), _("\ | |
2570 | Show state of GDB CLI command tracing."), _("\ | |
2571 | When 'on', each command is displayed as it is executed."), | |
2572 | NULL, | |
2573 | NULL, | |
2574 | &setlist, &showlist); | |
5a56e9c5 | 2575 | |
cf00cd6f PW |
2576 | const auto alias_opts = make_alias_options_def_group (nullptr); |
2577 | ||
2578 | static std::string alias_help | |
2579 | = gdb::option::build_help (_("\ | |
5a56e9c5 | 2580 | Define a new command that is an alias of an existing command.\n\ |
cf00cd6f | 2581 | Usage: alias [-a] [--] ALIAS = COMMAND [DEFAULT-ARGS...]\n\ |
5a56e9c5 DE |
2582 | ALIAS is the name of the alias command to create.\n\ |
2583 | COMMAND is the command being aliased to.\n\ | |
cf00cd6f PW |
2584 | \n\ |
2585 | Options:\n\ | |
2586 | %OPTIONS%\n\ | |
2587 | \n\ | |
2588 | GDB will automatically prepend the provided DEFAULT-ARGS to the list\n\ | |
2589 | of arguments explicitly provided when using ALIAS.\n\ | |
2590 | Use \"help aliases\" to list all user defined aliases and their default args.\n\ | |
5a56e9c5 DE |
2591 | \n\ |
2592 | Examples:\n\ | |
2593 | Make \"spe\" an alias of \"set print elements\":\n\ | |
e0c45ded | 2594 | alias spe = set print elements\n\ |
5a56e9c5 | 2595 | Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\ |
e0c45ded | 2596 | alias -a set print elms = set print elements\n\ |
cf00cd6f PW |
2597 | Make \"btf\" an alias of \"backtrace -full -past-entry -past-main\" :\n\ |
2598 | alias btf = backtrace -full -past-entry -past-main\n\ | |
2599 | Make \"wLapPeu\" an alias of 2 nested \"with\":\n\ | |
2600 | alias wLapPeu = with language pascal -- with print elements unlimited --"), | |
2601 | alias_opts); | |
2602 | ||
2603 | c = add_com ("alias", class_support, alias_command, | |
2604 | alias_help.c_str ()); | |
2605 | ||
2606 | set_cmd_completer_handle_brkchars (c, alias_command_completer); | |
43e4916f | 2607 | |
b777eb6d | 2608 | const char *source_help_text = xstrprintf (_("\ |
43e4916f TT |
2609 | Read commands from a file named FILE.\n\ |
2610 | \n\ | |
2611 | Usage: source [-s] [-v] FILE\n\ | |
2612 | -s: search for the script in the source search path,\n\ | |
2613 | even if FILE contains directories.\n\ | |
2614 | -v: each command in FILE is echoed as it is executed.\n\ | |
2615 | \n\ | |
2616 | Note that the file \"%s\" is read automatically in this way\n\ | |
b777eb6d | 2617 | when GDB is started."), GDBINIT); |
43e4916f TT |
2618 | c = add_cmd ("source", class_support, source_command, |
2619 | source_help_text, &cmdlist); | |
2620 | set_cmd_completer (c, filename_completer); | |
2621 | } |