Commit | Line | Data |
---|---|---|
d318976c | 1 | /* GDB CLI commands. |
8926118c | 2 | |
61baf725 | 3 | Copyright (C) 2000-2017 Free Software Foundation, Inc. |
d318976c FN |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
d318976c FN |
10 | (at your option) any later version. |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
d318976c FN |
19 | |
20 | #include "defs.h" | |
13274fc3 | 21 | #include "arch-utils.h" |
dbda9972 AC |
22 | #include "readline/readline.h" |
23 | #include "readline/tilde.h" | |
d318976c | 24 | #include "completer.h" |
ebcd3b23 MS |
25 | #include "target.h" /* For baud_rate, remote_debug and remote_timeout. */ |
26 | #include "gdb_wait.h" /* For shell escape implementation. */ | |
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" |
614c279d | 39 | #include "filestuff.h" |
f00aae0f | 40 | #include "location.h" |
d318976c | 41 | |
d318976c | 42 | #include "ui-out.h" |
d318976c FN |
43 | |
44 | #include "top.h" | |
45 | #include "cli/cli-decode.h" | |
46 | #include "cli/cli-script.h" | |
47 | #include "cli/cli-setshow.h" | |
48 | #include "cli/cli-cmds.h" | |
529480d0 | 49 | #include "cli/cli-utils.h" |
d318976c | 50 | |
6dddc817 | 51 | #include "extension.h" |
973817a3 | 52 | |
6a83354a | 53 | #ifdef TUI |
ebcd3b23 | 54 | #include "tui/tui.h" /* For tui_active et.al. */ |
6a83354a AC |
55 | #endif |
56 | ||
4b505b12 | 57 | #include <fcntl.h> |
325fac50 | 58 | #include <algorithm> |
a97e29d2 | 59 | #include <string> |
4b505b12 | 60 | |
0378c332 | 61 | /* Prototypes for local command functions */ |
d318976c FN |
62 | |
63 | static void complete_command (char *, int); | |
64 | ||
65 | static void echo_command (char *, int); | |
66 | ||
67 | static void pwd_command (char *, int); | |
68 | ||
d318976c FN |
69 | static void help_command (char *, int); |
70 | ||
71 | static void show_command (char *, int); | |
72 | ||
73 | static void info_command (char *, int); | |
74 | ||
75 | static void show_debug (char *, int); | |
76 | ||
77 | static void set_debug (char *, int); | |
78 | ||
d318976c FN |
79 | static void make_command (char *, int); |
80 | ||
be47f9e8 | 81 | static void shell_escape (const char *, int); |
d318976c | 82 | |
0378c332 FN |
83 | static void edit_command (char *, int); |
84 | ||
85 | static void list_command (char *, int); | |
86 | ||
0378c332 FN |
87 | /* Prototypes for local utility functions */ |
88 | ||
06871ae8 PA |
89 | static void print_sal_location (const symtab_and_line &sal); |
90 | ||
6c5b2ebe | 91 | static void ambiguous_line_spec (gdb::array_view<const symtab_and_line> sals, |
e439fa14 PA |
92 | const char *format, ...) |
93 | ATTRIBUTE_PRINTF (2, 3); | |
f8eba3c6 | 94 | |
6c5b2ebe | 95 | static void filter_sals (std::vector<symtab_and_line> &); |
f8eba3c6 | 96 | |
d318976c | 97 | \f |
20f01a46 | 98 | /* Limit the call depth of user-defined commands */ |
883b9c6c | 99 | unsigned int max_user_call_depth; |
20f01a46 | 100 | |
d318976c FN |
101 | /* Define all cmd_list_elements. */ |
102 | ||
103 | /* Chain containing all defined commands. */ | |
104 | ||
105 | struct cmd_list_element *cmdlist; | |
106 | ||
107 | /* Chain containing all defined info subcommands. */ | |
108 | ||
109 | struct cmd_list_element *infolist; | |
110 | ||
ebcd3b23 | 111 | /* Chain containing all defined enable subcommands. */ |
d318976c FN |
112 | |
113 | struct cmd_list_element *enablelist; | |
114 | ||
ebcd3b23 | 115 | /* Chain containing all defined disable subcommands. */ |
d318976c FN |
116 | |
117 | struct cmd_list_element *disablelist; | |
118 | ||
ebcd3b23 | 119 | /* Chain containing all defined stop subcommands. */ |
d318976c FN |
120 | |
121 | struct cmd_list_element *stoplist; | |
122 | ||
ebcd3b23 | 123 | /* Chain containing all defined delete subcommands. */ |
d318976c FN |
124 | |
125 | struct cmd_list_element *deletelist; | |
126 | ||
ebcd3b23 | 127 | /* Chain containing all defined detach subcommands. */ |
f73adfeb AS |
128 | |
129 | struct cmd_list_element *detachlist; | |
130 | ||
ebcd3b23 | 131 | /* Chain containing all defined kill subcommands. */ |
2277426b PA |
132 | |
133 | struct cmd_list_element *killlist; | |
134 | ||
d318976c FN |
135 | /* Chain containing all defined set subcommands */ |
136 | ||
137 | struct cmd_list_element *setlist; | |
138 | ||
139 | /* Chain containing all defined unset subcommands */ | |
140 | ||
141 | struct cmd_list_element *unsetlist; | |
142 | ||
143 | /* Chain containing all defined show subcommands. */ | |
144 | ||
145 | struct cmd_list_element *showlist; | |
146 | ||
147 | /* Chain containing all defined \"set history\". */ | |
148 | ||
149 | struct cmd_list_element *sethistlist; | |
150 | ||
151 | /* Chain containing all defined \"show history\". */ | |
152 | ||
153 | struct cmd_list_element *showhistlist; | |
154 | ||
155 | /* Chain containing all defined \"unset history\". */ | |
156 | ||
157 | struct cmd_list_element *unsethistlist; | |
158 | ||
ebcd3b23 | 159 | /* Chain containing all defined maintenance subcommands. */ |
d318976c FN |
160 | |
161 | struct cmd_list_element *maintenancelist; | |
162 | ||
ebcd3b23 | 163 | /* Chain containing all defined "maintenance info" subcommands. */ |
d318976c FN |
164 | |
165 | struct cmd_list_element *maintenanceinfolist; | |
166 | ||
ebcd3b23 | 167 | /* Chain containing all defined "maintenance print" subcommands. */ |
d318976c FN |
168 | |
169 | struct cmd_list_element *maintenanceprintlist; | |
170 | ||
27d41eac YQ |
171 | /* Chain containing all defined "maintenance check" subcommands. */ |
172 | ||
173 | struct cmd_list_element *maintenancechecklist; | |
174 | ||
d318976c FN |
175 | struct cmd_list_element *setprintlist; |
176 | ||
177 | struct cmd_list_element *showprintlist; | |
178 | ||
179 | struct cmd_list_element *setdebuglist; | |
180 | ||
181 | struct cmd_list_element *showdebuglist; | |
182 | ||
183 | struct cmd_list_element *setchecklist; | |
184 | ||
185 | struct cmd_list_element *showchecklist; | |
16026cd7 AS |
186 | |
187 | /* Command tracing state. */ | |
188 | ||
189 | int source_verbose = 0; | |
190 | int trace_commands = 0; | |
d318976c | 191 | \f |
973817a3 JB |
192 | /* 'script-extension' option support. */ |
193 | ||
194 | static const char script_ext_off[] = "off"; | |
195 | static const char script_ext_soft[] = "soft"; | |
196 | static const char script_ext_strict[] = "strict"; | |
197 | ||
40478521 | 198 | static const char *const script_ext_enums[] = { |
973817a3 JB |
199 | script_ext_off, |
200 | script_ext_soft, | |
201 | script_ext_strict, | |
202 | NULL | |
203 | }; | |
204 | ||
205 | static const char *script_ext_mode = script_ext_soft; | |
206 | \f | |
d318976c | 207 | /* Utility used everywhere when at least one argument is needed and |
ebcd3b23 | 208 | none is supplied. */ |
d318976c FN |
209 | |
210 | void | |
5b10184c | 211 | error_no_arg (const char *why) |
d318976c | 212 | { |
8a3fe4f8 | 213 | error (_("Argument required (%s)."), why); |
d318976c FN |
214 | } |
215 | ||
216 | /* The "info" command is defined as a prefix, with allow_unknown = 0. | |
ebcd3b23 MS |
217 | Therefore, its own definition is called only for "info" with no |
218 | args. */ | |
d318976c | 219 | |
d318976c FN |
220 | static void |
221 | info_command (char *arg, int from_tty) | |
222 | { | |
9a2b4c1b MS |
223 | printf_unfiltered (_("\"info\" must be followed by " |
224 | "the name of an info command.\n")); | |
635c7e8a | 225 | help_list (infolist, "info ", all_commands, gdb_stdout); |
d318976c FN |
226 | } |
227 | ||
228 | /* The "show" command with no arguments shows all the settings. */ | |
229 | ||
d318976c FN |
230 | static void |
231 | show_command (char *arg, int from_tty) | |
232 | { | |
233 | cmd_show_list (showlist, from_tty, ""); | |
234 | } | |
235 | \f | |
236 | /* Provide documentation on command or list given by COMMAND. FROM_TTY | |
237 | is ignored. */ | |
238 | ||
d318976c FN |
239 | static void |
240 | help_command (char *command, int from_tty) | |
241 | { | |
242 | help_cmd (command, gdb_stdout); | |
243 | } | |
244 | \f | |
eb3ff9a5 | 245 | |
ef0b411a GB |
246 | /* Note: The "complete" command is used by Emacs to implement completion. |
247 | [Is that why this function writes output with *_unfiltered?] */ | |
d318976c | 248 | |
d318976c | 249 | static void |
a121b7c1 | 250 | complete_command (char *arg_entry, int from_tty) |
d318976c | 251 | { |
a121b7c1 | 252 | const char *arg = arg_entry; |
d318976c FN |
253 | |
254 | dont_repeat (); | |
255 | ||
ef0b411a GB |
256 | if (max_completions == 0) |
257 | { | |
258 | /* Only print this for non-mi frontends. An MI frontend may not | |
259 | be able to handle this. */ | |
112e8700 | 260 | if (!current_uiout->is_mi_like_p ()) |
ef0b411a GB |
261 | { |
262 | printf_unfiltered (_("max-completions is zero," | |
263 | " completion is disabled.\n")); | |
264 | } | |
265 | return; | |
266 | } | |
267 | ||
d318976c FN |
268 | if (arg == NULL) |
269 | arg = ""; | |
d9b52655 | 270 | |
6a2c1b87 | 271 | completion_tracker tracker_handle_brkchars; |
eb3ff9a5 | 272 | completion_tracker tracker_handle_completions; |
c6756f62 | 273 | completion_tracker *tracker; |
83d31a92 | 274 | |
6a2c1b87 PA |
275 | int quote_char = '\0'; |
276 | const char *word; | |
277 | ||
eb3ff9a5 | 278 | TRY |
d318976c | 279 | { |
6a2c1b87 PA |
280 | word = completion_find_completion_word (tracker_handle_brkchars, |
281 | arg, "e_char); | |
282 | ||
c6756f62 PA |
283 | /* Completers that provide a custom word point in the |
284 | handle_brkchars phase also compute their completions then. | |
285 | Completers that leave the completion word handling to readline | |
286 | must be called twice. */ | |
287 | if (tracker_handle_brkchars.use_custom_word_point ()) | |
288 | tracker = &tracker_handle_brkchars; | |
289 | else | |
290 | { | |
291 | complete_line (tracker_handle_completions, word, arg, strlen (arg)); | |
292 | tracker = &tracker_handle_completions; | |
293 | } | |
eb3ff9a5 PA |
294 | } |
295 | CATCH (ex, RETURN_MASK_ALL) | |
296 | { | |
297 | return; | |
298 | } | |
299 | ||
6a2c1b87 | 300 | std::string arg_prefix (arg, word - arg); |
83d31a92 | 301 | |
eb3ff9a5 | 302 | completion_result result |
c6756f62 | 303 | = tracker->build_completion_result (word, word - arg, strlen (arg)); |
83d31a92 | 304 | |
eb3ff9a5 PA |
305 | if (result.number_matches != 0) |
306 | { | |
307 | if (result.number_matches == 1) | |
308 | printf_unfiltered ("%s%s\n", arg_prefix.c_str (), result.match_list[0]); | |
309 | else | |
83d31a92 | 310 | { |
eb3ff9a5 PA |
311 | result.sort_match_list (); |
312 | ||
313 | for (size_t i = 0; i < result.number_matches; i++) | |
83d31a92 | 314 | { |
eb3ff9a5 PA |
315 | printf_unfiltered ("%s%s", |
316 | arg_prefix.c_str (), | |
317 | result.match_list[i + 1]); | |
6a2c1b87 PA |
318 | if (quote_char) |
319 | printf_unfiltered ("%c", quote_char); | |
eb3ff9a5 | 320 | printf_unfiltered ("\n"); |
83d31a92 | 321 | } |
83d31a92 TT |
322 | } |
323 | ||
eb3ff9a5 | 324 | if (result.number_matches == max_completions) |
ef0b411a | 325 | { |
6a2c1b87 | 326 | /* ARG_PREFIX and WORD are included in the output so that emacs |
ef0b411a GB |
327 | will include the message in the output. */ |
328 | printf_unfiltered (_("%s%s %s\n"), | |
6a2c1b87 | 329 | arg_prefix.c_str (), word, |
ef0b411a GB |
330 | get_max_completions_reached_message ()); |
331 | } | |
d318976c FN |
332 | } |
333 | } | |
334 | ||
bbaca940 AC |
335 | int |
336 | is_complete_command (struct cmd_list_element *c) | |
d318976c | 337 | { |
bbaca940 | 338 | return cmd_cfunc_eq (c, complete_command); |
d318976c FN |
339 | } |
340 | ||
d318976c | 341 | static void |
dede02ce | 342 | show_version (const char *args, int from_tty) |
d318976c | 343 | { |
d318976c FN |
344 | print_gdb_version (gdb_stdout); |
345 | printf_filtered ("\n"); | |
d318976c FN |
346 | } |
347 | ||
6eaaf48b | 348 | static void |
dede02ce | 349 | show_configuration (const char *args, int from_tty) |
6eaaf48b EZ |
350 | { |
351 | print_gdb_configuration (gdb_stdout); | |
352 | } | |
353 | ||
d318976c FN |
354 | /* Handle the quit command. */ |
355 | ||
356 | void | |
357 | quit_command (char *args, int from_tty) | |
358 | { | |
36cf1806 TT |
359 | int exit_code = 0; |
360 | ||
361 | /* An optional expression may be used to cause gdb to terminate with | |
362 | the value of that expression. */ | |
363 | if (args) | |
364 | { | |
365 | struct value *val = parse_and_eval (args); | |
366 | ||
367 | exit_code = (int) value_as_long (val); | |
368 | } | |
369 | ||
d318976c | 370 | if (!quit_confirm ()) |
8a3fe4f8 | 371 | error (_("Not confirmed.")); |
d5551862 | 372 | |
2f9d54cf | 373 | query_if_trace_running (from_tty); |
d5551862 | 374 | |
36cf1806 | 375 | quit_force (args ? &exit_code : NULL, from_tty); |
d318976c FN |
376 | } |
377 | ||
d318976c FN |
378 | static void |
379 | pwd_command (char *args, int from_tty) | |
380 | { | |
381 | if (args) | |
8a3fe4f8 | 382 | error (_("The \"pwd\" command does not take an argument: %s"), args); |
43573013 SDJ |
383 | |
384 | gdb::unique_xmalloc_ptr<char> cwd (getcwd (NULL, 0)); | |
385 | ||
386 | if (cwd == NULL) | |
bf1d7d9c JB |
387 | error (_("Error finding name of working directory: %s"), |
388 | safe_strerror (errno)); | |
d318976c | 389 | |
43573013 | 390 | if (strcmp (cwd.get (), current_directory) != 0) |
a3f17187 | 391 | printf_unfiltered (_("Working directory %s\n (canonically %s).\n"), |
43573013 | 392 | current_directory, cwd.get ()); |
d318976c | 393 | else |
a3f17187 | 394 | printf_unfiltered (_("Working directory %s.\n"), current_directory); |
d318976c FN |
395 | } |
396 | ||
397 | void | |
398 | cd_command (char *dir, int from_tty) | |
399 | { | |
400 | int len; | |
401 | /* Found something other than leading repetitions of "/..". */ | |
402 | int found_real_path; | |
403 | char *p; | |
404 | ||
405 | /* If the new directory is absolute, repeat is a no-op; if relative, | |
406 | repeat might be useful but is more likely to be a mistake. */ | |
407 | dont_repeat (); | |
408 | ||
6eecf35f TT |
409 | gdb::unique_xmalloc_ptr<char> dir_holder |
410 | (tilde_expand (dir != NULL ? dir : "~")); | |
411 | dir = dir_holder.get (); | |
d318976c FN |
412 | |
413 | if (chdir (dir) < 0) | |
414 | perror_with_name (dir); | |
415 | ||
c3690141 | 416 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
d318976c FN |
417 | /* There's too much mess with DOSish names like "d:", "d:.", |
418 | "d:./foo" etc. Instead of having lots of special #ifdef'ed code, | |
419 | simply get the canonicalized name of the current directory. */ | |
43573013 SDJ |
420 | gdb::unique_xmalloc_ptr<char> cwd (getcwd (NULL, 0)); |
421 | dir = cwd.get (); | |
d318976c FN |
422 | #endif |
423 | ||
424 | len = strlen (dir); | |
fe4e3eb8 | 425 | if (IS_DIR_SEPARATOR (dir[len - 1])) |
d318976c FN |
426 | { |
427 | /* Remove the trailing slash unless this is a root directory | |
428 | (including a drive letter on non-Unix systems). */ | |
429 | if (!(len == 1) /* "/" */ | |
c3690141 | 430 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
fe4e3eb8 | 431 | && !(len == 3 && dir[1] == ':') /* "d:/" */ |
d318976c FN |
432 | #endif |
433 | ) | |
434 | len--; | |
435 | } | |
436 | ||
6eecf35f TT |
437 | dir_holder.reset (savestring (dir, len)); |
438 | if (IS_ABSOLUTE_PATH (dir_holder.get ())) | |
43573013 SDJ |
439 | { |
440 | xfree (current_directory); | |
441 | current_directory = dir_holder.release (); | |
442 | } | |
d318976c FN |
443 | else |
444 | { | |
fe4e3eb8 | 445 | if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1])) |
6eecf35f TT |
446 | current_directory = concat (current_directory, dir_holder.get (), |
447 | (char *) NULL); | |
d318976c | 448 | else |
1754f103 | 449 | current_directory = concat (current_directory, SLASH_STRING, |
6eecf35f | 450 | dir_holder.get (), (char *) NULL); |
d318976c FN |
451 | } |
452 | ||
453 | /* Now simplify any occurrences of `.' and `..' in the pathname. */ | |
454 | ||
455 | found_real_path = 0; | |
456 | for (p = current_directory; *p;) | |
457 | { | |
fe4e3eb8 EZ |
458 | if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' |
459 | && (p[2] == 0 || IS_DIR_SEPARATOR (p[2]))) | |
b2a3b509 | 460 | memmove (p, p + 2, strlen (p + 2) + 1); |
fe4e3eb8 EZ |
461 | else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.' |
462 | && (p[3] == 0 || IS_DIR_SEPARATOR (p[3]))) | |
d318976c FN |
463 | { |
464 | if (found_real_path) | |
465 | { | |
466 | /* Search backwards for the directory just before the "/.." | |
467 | and obliterate it and the "/..". */ | |
468 | char *q = p; | |
cdb27c12 | 469 | |
fe4e3eb8 | 470 | while (q != current_directory && !IS_DIR_SEPARATOR (q[-1])) |
d318976c FN |
471 | --q; |
472 | ||
473 | if (q == current_directory) | |
474 | /* current_directory is | |
475 | a relative pathname ("can't happen"--leave it alone). */ | |
476 | ++p; | |
477 | else | |
478 | { | |
b2a3b509 | 479 | memmove (q - 1, p + 3, strlen (p + 3) + 1); |
d318976c FN |
480 | p = q - 1; |
481 | } | |
482 | } | |
483 | else | |
ebcd3b23 MS |
484 | /* We are dealing with leading repetitions of "/..", for |
485 | example "/../..", which is the Mach super-root. */ | |
d318976c FN |
486 | p += 3; |
487 | } | |
488 | else | |
489 | { | |
490 | found_real_path = 1; | |
491 | ++p; | |
492 | } | |
493 | } | |
494 | ||
495 | forget_cached_source_info (); | |
496 | ||
497 | if (from_tty) | |
498 | pwd_command ((char *) 0, 1); | |
499 | } | |
500 | \f | |
973817a3 JB |
501 | /* Show the current value of the 'script-extension' option. */ |
502 | ||
503 | static void | |
504 | show_script_ext_mode (struct ui_file *file, int from_tty, | |
505 | struct cmd_list_element *c, const char *value) | |
d318976c | 506 | { |
9a2b4c1b MS |
507 | fprintf_filtered (file, |
508 | _("Script filename extension recognition is \"%s\".\n"), | |
973817a3 JB |
509 | value); |
510 | } | |
511 | ||
3f7b2faa DE |
512 | /* Try to open SCRIPT_FILE. |
513 | If successful, the full path name is stored in *FULL_PATHP, | |
ed166945 TT |
514 | and the stream is returned. |
515 | If not successful, return NULL; errno is set for the last file | |
3f7b2faa DE |
516 | we tried to open. |
517 | ||
518 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
f5b95b50 | 519 | search for it in the source search path. */ |
3f7b2faa | 520 | |
ed166945 TT |
521 | gdb::optional<open_script> |
522 | find_and_open_script (const char *script_file, int search_path) | |
973817a3 | 523 | { |
4b505b12 | 524 | int fd; |
492c0ab7 | 525 | int search_flags = OPF_TRY_CWD_FIRST | OPF_RETURN_REALPATH; |
ed166945 | 526 | gdb::optional<open_script> opened; |
d318976c | 527 | |
ee0c3293 | 528 | gdb::unique_xmalloc_ptr<char> file (tilde_expand (script_file)); |
d318976c | 529 | |
3f7b2faa DE |
530 | if (search_path) |
531 | search_flags |= OPF_SEARCH_IN_PATH; | |
4b505b12 | 532 | |
3f7b2faa DE |
533 | /* Search for and open 'file' on the search path used for source |
534 | files. Put the full location in *FULL_PATHP. */ | |
ed166945 | 535 | char *temp_path; |
3f7b2faa | 536 | fd = openp (source_path, search_flags, |
ee0c3293 | 537 | file.get (), O_RDONLY, &temp_path); |
ed166945 | 538 | gdb::unique_xmalloc_ptr<char> full_path (temp_path); |
4b505b12 AS |
539 | |
540 | if (fd == -1) | |
ee0c3293 | 541 | return opened; |
973817a3 | 542 | |
ed166945 TT |
543 | FILE *result = fdopen (fd, FOPEN_RT); |
544 | if (result == NULL) | |
77a35dd8 JK |
545 | { |
546 | int save_errno = errno; | |
547 | ||
548 | close (fd); | |
77a35dd8 | 549 | errno = save_errno; |
77a35dd8 | 550 | } |
ed166945 TT |
551 | else |
552 | opened.emplace (gdb_file_up (result), std::move (full_path)); | |
77a35dd8 | 553 | |
ed166945 | 554 | return opened; |
973817a3 JB |
555 | } |
556 | ||
1a70ae97 DE |
557 | /* Load script FILE, which has already been opened as STREAM. |
558 | FILE_TO_OPEN is the form of FILE to use if one needs to open the file. | |
559 | This is provided as FILE may have been found via the source search path. | |
560 | An important thing to note here is that FILE may be a symlink to a file | |
561 | with a different or non-existing suffix, and thus one cannot infer the | |
562 | extension language from FILE_TO_OPEN. */ | |
973817a3 | 563 | |
3f7b2faa | 564 | static void |
1a70ae97 DE |
565 | source_script_from_stream (FILE *stream, const char *file, |
566 | const char *file_to_open) | |
3f7b2faa | 567 | { |
6dddc817 | 568 | if (script_ext_mode != script_ext_off) |
973817a3 | 569 | { |
6dddc817 DE |
570 | const struct extension_language_defn *extlang |
571 | = get_ext_lang_of_file (file); | |
572 | ||
573 | if (extlang != NULL) | |
973817a3 | 574 | { |
6dddc817 DE |
575 | if (ext_lang_present_p (extlang)) |
576 | { | |
577 | script_sourcer_func *sourcer | |
578 | = ext_lang_script_sourcer (extlang); | |
579 | ||
580 | gdb_assert (sourcer != NULL); | |
1a70ae97 | 581 | sourcer (extlang, stream, file_to_open); |
6dddc817 DE |
582 | return; |
583 | } | |
584 | else if (script_ext_mode == script_ext_soft) | |
585 | { | |
586 | /* Assume the file is a gdb script. | |
587 | This is handled below. */ | |
588 | } | |
589 | else | |
590 | throw_ext_lang_unsupported (extlang); | |
973817a3 JB |
591 | } |
592 | } | |
6dddc817 DE |
593 | |
594 | script_from_file (stream, file); | |
3f7b2faa | 595 | } |
d318976c | 596 | |
3f7b2faa DE |
597 | /* Worker to perform the "source" command. |
598 | Load script FILE. | |
599 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
600 | search for it in the source search path. */ | |
601 | ||
602 | static void | |
603 | source_script_with_search (const char *file, int from_tty, int search_path) | |
604 | { | |
3f7b2faa DE |
605 | |
606 | if (file == NULL || *file == 0) | |
607 | error (_("source command requires file name of file to source.")); | |
608 | ||
ed166945 TT |
609 | gdb::optional<open_script> opened = find_and_open_script (file, search_path); |
610 | if (!opened) | |
3f7b2faa | 611 | { |
d234ef5c | 612 | /* The script wasn't found, or was otherwise inaccessible. |
ebcd3b23 MS |
613 | If the source command was invoked interactively, throw an |
614 | error. Otherwise (e.g. if it was invoked by a script), | |
7c647d61 | 615 | just emit a warning, rather than cause an error. */ |
3f7b2faa DE |
616 | if (from_tty) |
617 | perror_with_name (file); | |
618 | else | |
7c647d61 JB |
619 | { |
620 | perror_warning_with_name (file); | |
621 | return; | |
622 | } | |
3f7b2faa DE |
623 | } |
624 | ||
d234ef5c DE |
625 | /* The python support reopens the file, so we need to pass full_path here |
626 | in case the file was found on the search path. It's useful to do this | |
627 | anyway so that error messages show the actual file used. But only do | |
628 | this if we (may have) used search_path, as printing the full path in | |
629 | errors for the non-search case can be more noise than signal. */ | |
ed166945 TT |
630 | source_script_from_stream (opened->stream.get (), file, |
631 | search_path ? opened->full_path.get () : file); | |
d318976c FN |
632 | } |
633 | ||
3f7b2faa DE |
634 | /* Wrapper around source_script_with_search to export it to main.c |
635 | for use in loading .gdbinit scripts. */ | |
636 | ||
637 | void | |
50dd9793 | 638 | source_script (const char *file, int from_tty) |
3f7b2faa DE |
639 | { |
640 | source_script_with_search (file, from_tty, 0); | |
641 | } | |
642 | ||
16026cd7 | 643 | static void |
dede02ce | 644 | source_command (const char *args, int from_tty) |
16026cd7 | 645 | { |
dede02ce | 646 | const char *file = args; |
3f7b2faa | 647 | int search_path = 0; |
16026cd7 | 648 | |
2ec845e7 | 649 | scoped_restore save_source_verbose = make_scoped_restore (&source_verbose); |
16026cd7 AS |
650 | |
651 | /* -v causes the source command to run in verbose mode. | |
3f7b2faa DE |
652 | -s causes the file to be searched in the source search path, |
653 | even if the file name contains a '/'. | |
16026cd7 AS |
654 | We still have to be able to handle filenames with spaces in a |
655 | backward compatible way, so buildargv is not appropriate. */ | |
656 | ||
657 | if (args) | |
658 | { | |
3f7b2faa | 659 | while (args[0] != '\0') |
16026cd7 | 660 | { |
ebcd3b23 MS |
661 | /* Make sure leading white space does not break the |
662 | comparisons. */ | |
529480d0 | 663 | args = skip_spaces (args); |
3f7b2faa DE |
664 | |
665 | if (args[0] != '-') | |
666 | break; | |
667 | ||
668 | if (args[1] == 'v' && isspace (args[2])) | |
669 | { | |
670 | source_verbose = 1; | |
671 | ||
672 | /* Skip passed -v. */ | |
673 | args = &args[3]; | |
674 | } | |
675 | else if (args[1] == 's' && isspace (args[2])) | |
676 | { | |
677 | search_path = 1; | |
16026cd7 | 678 | |
3f7b2faa DE |
679 | /* Skip passed -s. */ |
680 | args = &args[3]; | |
681 | } | |
682 | else | |
683 | break; | |
16026cd7 | 684 | } |
3f7b2faa | 685 | |
529480d0 | 686 | file = skip_spaces (args); |
16026cd7 AS |
687 | } |
688 | ||
3f7b2faa | 689 | source_script_with_search (file, from_tty, search_path); |
16026cd7 AS |
690 | } |
691 | ||
692 | ||
d318976c FN |
693 | static void |
694 | echo_command (char *text, int from_tty) | |
695 | { | |
d7561cbb | 696 | const char *p = text; |
d5b5ac79 | 697 | int c; |
d318976c FN |
698 | |
699 | if (text) | |
700 | while ((c = *p++) != '\0') | |
701 | { | |
702 | if (c == '\\') | |
703 | { | |
704 | /* \ at end of argument is used after spaces | |
705 | so they won't be lost. */ | |
706 | if (*p == 0) | |
707 | return; | |
708 | ||
f870a310 | 709 | c = parse_escape (get_current_arch (), &p); |
d318976c FN |
710 | if (c >= 0) |
711 | printf_filtered ("%c", c); | |
712 | } | |
713 | else | |
714 | printf_filtered ("%c", c); | |
715 | } | |
716 | ||
717 | /* Force this output to appear now. */ | |
718 | wrap_here (""); | |
719 | gdb_flush (gdb_stdout); | |
720 | } | |
721 | ||
d318976c | 722 | static void |
be47f9e8 | 723 | shell_escape (const char *arg, int from_tty) |
d318976c | 724 | { |
9b265ec2 MM |
725 | #if defined(CANT_FORK) || \ |
726 | (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK)) | |
d318976c FN |
727 | /* If ARG is NULL, they want an inferior shell, but `system' just |
728 | reports if the shell is available when passed a NULL arg. */ | |
729 | int rc = system (arg ? arg : ""); | |
730 | ||
731 | if (!arg) | |
732 | arg = "inferior shell"; | |
733 | ||
734 | if (rc == -1) | |
735 | { | |
736 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg, | |
737 | safe_strerror (errno)); | |
738 | gdb_flush (gdb_stderr); | |
739 | } | |
740 | else if (rc) | |
741 | { | |
742 | fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc); | |
743 | gdb_flush (gdb_stderr); | |
744 | } | |
2584159e | 745 | #ifdef GLOBAL_CURDIR |
ebcd3b23 MS |
746 | /* Make sure to return to the directory GDB thinks it is, in case |
747 | the shell command we just ran changed it. */ | |
d318976c FN |
748 | chdir (current_directory); |
749 | #endif | |
750 | #else /* Can fork. */ | |
5be4dfca | 751 | int status, pid; |
d318976c | 752 | |
325ed089 | 753 | if ((pid = vfork ()) == 0) |
d318976c | 754 | { |
9f37bbcc | 755 | const char *p, *user_shell; |
30e94205 | 756 | |
614c279d TT |
757 | close_most_fds (); |
758 | ||
30e94205 DJ |
759 | if ((user_shell = (char *) getenv ("SHELL")) == NULL) |
760 | user_shell = "/bin/sh"; | |
761 | ||
ebcd3b23 | 762 | /* Get the name of the shell for arg0. */ |
9f37bbcc | 763 | p = lbasename (user_shell); |
30e94205 | 764 | |
d318976c | 765 | if (!arg) |
36662fde | 766 | execl (user_shell, p, (char *) 0); |
d318976c | 767 | else |
36662fde | 768 | execl (user_shell, p, "-c", arg, (char *) 0); |
d318976c FN |
769 | |
770 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell, | |
771 | safe_strerror (errno)); | |
772 | gdb_flush (gdb_stderr); | |
773 | _exit (0177); | |
774 | } | |
775 | ||
776 | if (pid != -1) | |
5be4dfca | 777 | waitpid (pid, &status, 0); |
d318976c | 778 | else |
8a3fe4f8 | 779 | error (_("Fork failed")); |
d318976c FN |
780 | #endif /* Can fork. */ |
781 | } | |
782 | ||
be47f9e8 PA |
783 | /* Implementation of the "shell" command. */ |
784 | ||
785 | static void | |
786 | shell_command (char *arg, int from_tty) | |
787 | { | |
788 | shell_escape (arg, from_tty); | |
789 | } | |
790 | ||
0378c332 FN |
791 | static void |
792 | edit_command (char *arg, int from_tty) | |
793 | { | |
0378c332 FN |
794 | struct symtab_and_line sal; |
795 | struct symbol *sym; | |
a121b7c1 | 796 | const char *editor; |
0b0865da TT |
797 | char *p; |
798 | const char *fn; | |
0378c332 | 799 | |
d5529a84 | 800 | /* Pull in the current default source line if necessary. */ |
0378c332 | 801 | if (arg == 0) |
53cb0458 FN |
802 | { |
803 | set_default_source_symtab_and_line (); | |
804 | sal = get_current_source_symtab_and_line (); | |
805 | } | |
0378c332 | 806 | |
ebcd3b23 | 807 | /* Bare "edit" edits file with present line. */ |
0378c332 FN |
808 | |
809 | if (arg == 0) | |
810 | { | |
811 | if (sal.symtab == 0) | |
8a3fe4f8 | 812 | error (_("No default source file yet.")); |
0378c332 FN |
813 | sal.line += get_lines_to_list () / 2; |
814 | } | |
815 | else | |
816 | { | |
f2fc3015 | 817 | const char *arg1; |
0378c332 | 818 | |
f00aae0f | 819 | /* Now should only be one argument -- decode it in SAL. */ |
0378c332 | 820 | arg1 = arg; |
ffc2605c TT |
821 | event_location_up location = string_to_event_location (&arg1, |
822 | current_language); | |
6c5b2ebe PA |
823 | std::vector<symtab_and_line> sals = decode_line_1 (location.get (), |
824 | DECODE_LINE_LIST_MODE, | |
825 | NULL, NULL, 0); | |
0378c332 | 826 | |
6c5b2ebe PA |
827 | filter_sals (sals); |
828 | if (sals.empty ()) | |
d5529a84 TT |
829 | { |
830 | /* C++ */ | |
831 | return; | |
832 | } | |
6c5b2ebe | 833 | if (sals.size () > 1) |
d5529a84 | 834 | { |
6c5b2ebe | 835 | ambiguous_line_spec (sals, |
e439fa14 | 836 | _("Specified line is ambiguous:\n")); |
d5529a84 TT |
837 | return; |
838 | } | |
0378c332 | 839 | |
6c5b2ebe | 840 | sal = sals[0]; |
0378c332 FN |
841 | |
842 | if (*arg1) | |
8a3fe4f8 | 843 | error (_("Junk at end of line specification.")); |
0378c332 | 844 | |
ebcd3b23 MS |
845 | /* If line was specified by address, first print exactly which |
846 | line, and which file. In this case, sal.symtab == 0 means | |
847 | address is outside of all known source files, not that user | |
848 | failed to give a filename. */ | |
0378c332 FN |
849 | if (*arg == '*') |
850 | { | |
5af949e3 | 851 | struct gdbarch *gdbarch; |
cdb27c12 | 852 | |
0378c332 | 853 | if (sal.symtab == 0) |
8a3fe4f8 | 854 | error (_("No source file for address %s."), |
2b69941d | 855 | paddress (get_current_arch (), sal.pc)); |
5af949e3 | 856 | |
eb822aa6 | 857 | gdbarch = get_objfile_arch (SYMTAB_OBJFILE (sal.symtab)); |
0378c332 FN |
858 | sym = find_pc_function (sal.pc); |
859 | if (sym) | |
5af949e3 UW |
860 | printf_filtered ("%s is in %s (%s:%d).\n", |
861 | paddress (gdbarch, sal.pc), | |
862 | SYMBOL_PRINT_NAME (sym), | |
05cba821 JK |
863 | symtab_to_filename_for_display (sal.symtab), |
864 | sal.line); | |
0378c332 | 865 | else |
5af949e3 UW |
866 | printf_filtered ("%s is at %s:%d.\n", |
867 | paddress (gdbarch, sal.pc), | |
05cba821 JK |
868 | symtab_to_filename_for_display (sal.symtab), |
869 | sal.line); | |
0378c332 FN |
870 | } |
871 | ||
ebcd3b23 MS |
872 | /* If what was given does not imply a symtab, it must be an |
873 | undebuggable symbol which means no source code. */ | |
0378c332 FN |
874 | |
875 | if (sal.symtab == 0) | |
8a3fe4f8 | 876 | error (_("No line number known for %s."), arg); |
0378c332 FN |
877 | } |
878 | ||
879 | if ((editor = (char *) getenv ("EDITOR")) == NULL) | |
880 | editor = "/bin/ex"; | |
a955ca71 | 881 | |
f35a17b5 | 882 | fn = symtab_to_fullname (sal.symtab); |
0378c332 | 883 | |
a955ca71 EZ |
884 | /* Quote the file name, in case it has whitespace or other special |
885 | characters. */ | |
886 | p = xstrprintf ("%s +%d \"%s\"", editor, sal.line, fn); | |
d5529a84 TT |
887 | shell_escape (p, from_tty); |
888 | xfree (p); | |
0378c332 FN |
889 | } |
890 | ||
891 | static void | |
892 | list_command (char *arg, int from_tty) | |
893 | { | |
0378c332 | 894 | struct symbol *sym; |
f2fc3015 | 895 | const char *arg1; |
0378c332 FN |
896 | int no_end = 1; |
897 | int dummy_end = 0; | |
898 | int dummy_beg = 0; | |
899 | int linenum_beg = 0; | |
900 | char *p; | |
901 | ||
ebcd3b23 | 902 | /* Pull in the current default source line if necessary. */ |
a0def019 | 903 | if (arg == NULL || ((arg[0] == '+' || arg[0] == '-') && arg[1] == '\0')) |
53cb0458 FN |
904 | { |
905 | set_default_source_symtab_and_line (); | |
51abb421 | 906 | symtab_and_line cursal = get_current_source_symtab_and_line (); |
5166082f PA |
907 | |
908 | /* If this is the first "list" since we've set the current | |
909 | source line, center the listing around that line. */ | |
910 | if (get_first_line_listed () == 0) | |
911 | { | |
912 | int first; | |
913 | ||
325fac50 | 914 | first = std::max (cursal.line - get_lines_to_list () / 2, 1); |
5166082f PA |
915 | |
916 | /* A small special case --- if listing backwards, and we | |
917 | should list only one line, list the preceding line, | |
918 | instead of the exact line we've just shown after e.g., | |
919 | stopping for a breakpoint. */ | |
920 | if (arg != NULL && arg[0] == '-' | |
921 | && get_lines_to_list () == 1 && first > 1) | |
922 | first -= 1; | |
923 | ||
924 | print_source_lines (cursal.symtab, first, | |
925 | first + get_lines_to_list (), 0); | |
5166082f | 926 | } |
0378c332 | 927 | |
1a48ce76 | 928 | /* "l" or "l +" lists next ten lines. */ |
a0def019 | 929 | else if (arg == NULL || arg[0] == '+') |
1a48ce76 AB |
930 | print_source_lines (cursal.symtab, cursal.line, |
931 | cursal.line + get_lines_to_list (), 0); | |
0378c332 | 932 | |
1a48ce76 AB |
933 | /* "l -" lists previous ten lines, the ones before the ten just |
934 | listed. */ | |
a0def019 | 935 | else if (arg[0] == '-') |
3b2464a8 AB |
936 | { |
937 | if (get_first_line_listed () == 1) | |
938 | error (_("Already at the start of %s."), | |
939 | symtab_to_filename_for_display (cursal.symtab)); | |
940 | print_source_lines (cursal.symtab, | |
325fac50 PA |
941 | std::max (get_first_line_listed () |
942 | - get_lines_to_list (), 1), | |
3b2464a8 AB |
943 | get_first_line_listed (), 0); |
944 | } | |
0378c332 | 945 | |
0378c332 FN |
946 | return; |
947 | } | |
948 | ||
949 | /* Now if there is only one argument, decode it in SAL | |
950 | and set NO_END. | |
951 | If there are two arguments, decode them in SAL and SAL_END | |
952 | and clear NO_END; however, if one of the arguments is blank, | |
953 | set DUMMY_BEG or DUMMY_END to record that fact. */ | |
954 | ||
955 | if (!have_full_symbols () && !have_partial_symbols ()) | |
8a3fe4f8 | 956 | error (_("No symbol table is loaded. Use the \"file\" command.")); |
0378c332 | 957 | |
6c5b2ebe | 958 | std::vector<symtab_and_line> sals; |
51abb421 | 959 | symtab_and_line sal, sal_end; |
6c5b2ebe | 960 | |
0378c332 FN |
961 | arg1 = arg; |
962 | if (*arg1 == ',') | |
963 | dummy_beg = 1; | |
964 | else | |
965 | { | |
ffc2605c TT |
966 | event_location_up location = string_to_event_location (&arg1, |
967 | current_language); | |
968 | sals = decode_line_1 (location.get (), DECODE_LINE_LIST_MODE, | |
969 | NULL, NULL, 0); | |
6c5b2ebe PA |
970 | filter_sals (sals); |
971 | if (sals.empty ()) | |
f00aae0f KS |
972 | { |
973 | /* C++ */ | |
f00aae0f KS |
974 | return; |
975 | } | |
0378c332 | 976 | |
6c5b2ebe | 977 | sal = sals[0]; |
0378c332 FN |
978 | } |
979 | ||
980 | /* Record whether the BEG arg is all digits. */ | |
981 | ||
982 | for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++); | |
983 | linenum_beg = (p == arg1); | |
984 | ||
e439fa14 PA |
985 | /* Save the range of the first argument, in case we need to let the |
986 | user know it was ambiguous. */ | |
987 | const char *beg = arg; | |
988 | size_t beg_len = arg1 - beg; | |
989 | ||
0378c332 FN |
990 | while (*arg1 == ' ' || *arg1 == '\t') |
991 | arg1++; | |
992 | if (*arg1 == ',') | |
993 | { | |
994 | no_end = 0; | |
6c5b2ebe | 995 | if (sals.size () > 1) |
0d999a6e | 996 | { |
6c5b2ebe | 997 | ambiguous_line_spec (sals, |
e439fa14 PA |
998 | _("Specified first line '%.*s' is ambiguous:\n"), |
999 | (int) beg_len, beg); | |
0d999a6e ZZ |
1000 | return; |
1001 | } | |
0378c332 FN |
1002 | arg1++; |
1003 | while (*arg1 == ' ' || *arg1 == '\t') | |
1004 | arg1++; | |
1005 | if (*arg1 == 0) | |
1006 | dummy_end = 1; | |
1007 | else | |
1008 | { | |
e439fa14 PA |
1009 | /* Save the last argument, in case we need to let the user |
1010 | know it was ambiguous. */ | |
1011 | const char *end_arg = arg1; | |
1012 | ||
ffc2605c TT |
1013 | event_location_up location |
1014 | = string_to_event_location (&arg1, current_language); | |
f00aae0f | 1015 | |
6c5b2ebe PA |
1016 | std::vector<symtab_and_line> sals_end |
1017 | = (dummy_beg | |
1018 | ? decode_line_1 (location.get (), DECODE_LINE_LIST_MODE, | |
1019 | NULL, NULL, 0) | |
1020 | : decode_line_1 (location.get (), DECODE_LINE_LIST_MODE, | |
1021 | NULL, sal.symtab, sal.line)); | |
1022 | ||
1023 | filter_sals (sals_end); | |
1024 | if (sals_end.empty ()) | |
1025 | return; | |
1026 | if (sals_end.size () > 1) | |
0d999a6e | 1027 | { |
6c5b2ebe | 1028 | ambiguous_line_spec (sals_end, |
e439fa14 PA |
1029 | _("Specified last line '%s' is ambiguous:\n"), |
1030 | end_arg); | |
0378c332 FN |
1031 | return; |
1032 | } | |
6c5b2ebe | 1033 | sal_end = sals_end[0]; |
0378c332 FN |
1034 | } |
1035 | } | |
1036 | ||
1037 | if (*arg1) | |
8a3fe4f8 | 1038 | error (_("Junk at end of line specification.")); |
0378c332 FN |
1039 | |
1040 | if (!no_end && !dummy_beg && !dummy_end | |
1041 | && sal.symtab != sal_end.symtab) | |
e439fa14 | 1042 | error (_("Specified first and last lines are in different files.")); |
0378c332 | 1043 | if (dummy_beg && dummy_end) |
8a3fe4f8 | 1044 | error (_("Two empty args do not say what lines to list.")); |
0378c332 | 1045 | |
ebcd3b23 | 1046 | /* If line was specified by address, |
0378c332 | 1047 | first print exactly which line, and which file. |
ebcd3b23 MS |
1048 | |
1049 | In this case, sal.symtab == 0 means address is outside of all | |
1050 | known source files, not that user failed to give a filename. */ | |
0378c332 FN |
1051 | if (*arg == '*') |
1052 | { | |
5af949e3 | 1053 | struct gdbarch *gdbarch; |
cdb27c12 | 1054 | |
0378c332 | 1055 | if (sal.symtab == 0) |
8a3fe4f8 | 1056 | error (_("No source file for address %s."), |
2b69941d | 1057 | paddress (get_current_arch (), sal.pc)); |
5af949e3 | 1058 | |
eb822aa6 | 1059 | gdbarch = get_objfile_arch (SYMTAB_OBJFILE (sal.symtab)); |
0378c332 FN |
1060 | sym = find_pc_function (sal.pc); |
1061 | if (sym) | |
50ee7535 | 1062 | printf_filtered ("%s is in %s (%s:%d).\n", |
5af949e3 UW |
1063 | paddress (gdbarch, sal.pc), |
1064 | SYMBOL_PRINT_NAME (sym), | |
05cba821 | 1065 | symtab_to_filename_for_display (sal.symtab), sal.line); |
0378c332 | 1066 | else |
5af949e3 UW |
1067 | printf_filtered ("%s is at %s:%d.\n", |
1068 | paddress (gdbarch, sal.pc), | |
05cba821 | 1069 | symtab_to_filename_for_display (sal.symtab), sal.line); |
0378c332 FN |
1070 | } |
1071 | ||
ebcd3b23 MS |
1072 | /* If line was not specified by just a line number, and it does not |
1073 | imply a symtab, it must be an undebuggable symbol which means no | |
1074 | source code. */ | |
0378c332 FN |
1075 | |
1076 | if (!linenum_beg && sal.symtab == 0) | |
8a3fe4f8 | 1077 | error (_("No line number known for %s."), arg); |
0378c332 FN |
1078 | |
1079 | /* If this command is repeated with RET, | |
1080 | turn it into the no-arg variant. */ | |
1081 | ||
1082 | if (from_tty) | |
1083 | *arg = 0; | |
1084 | ||
1085 | if (dummy_beg && sal_end.symtab == 0) | |
8a3fe4f8 | 1086 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
1087 | if (dummy_beg) |
1088 | print_source_lines (sal_end.symtab, | |
325fac50 | 1089 | std::max (sal_end.line - (get_lines_to_list () - 1), 1), |
0378c332 FN |
1090 | sal_end.line + 1, 0); |
1091 | else if (sal.symtab == 0) | |
8a3fe4f8 | 1092 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
1093 | else if (no_end) |
1094 | { | |
6c5b2ebe | 1095 | for (int i = 0; i < sals.size (); i++) |
0d999a6e | 1096 | { |
6c5b2ebe | 1097 | sal = sals[i]; |
0d999a6e ZZ |
1098 | int first_line = sal.line - get_lines_to_list () / 2; |
1099 | if (first_line < 1) | |
1100 | first_line = 1; | |
6c5b2ebe | 1101 | if (sals.size () > 1) |
06871ae8 | 1102 | print_sal_location (sal); |
0d999a6e ZZ |
1103 | print_source_lines (sal.symtab, |
1104 | first_line, | |
1105 | first_line + get_lines_to_list (), | |
1106 | 0); | |
1107 | } | |
0378c332 FN |
1108 | } |
1109 | else | |
1110 | print_source_lines (sal.symtab, sal.line, | |
1111 | (dummy_end | |
1112 | ? sal.line + get_lines_to_list () | |
1113 | : sal_end.line + 1), | |
1114 | 0); | |
1115 | } | |
1116 | ||
d14508fe DE |
1117 | /* Subroutine of disassemble_command to simplify it. |
1118 | Perform the disassembly. | |
1119 | NAME is the name of the function if known, or NULL. | |
1120 | [LOW,HIGH) are the range of addresses to disassemble. | |
1121 | MIXED is non-zero to print source with the assembler. */ | |
1122 | ||
1123 | static void | |
13274fc3 | 1124 | print_disassembly (struct gdbarch *gdbarch, const char *name, |
9a24775b PA |
1125 | CORE_ADDR low, CORE_ADDR high, |
1126 | gdb_disassembly_flags flags) | |
d14508fe DE |
1127 | { |
1128 | #if defined(TUI) | |
1129 | if (!tui_is_window_visible (DISASSEM_WIN)) | |
1130 | #endif | |
1131 | { | |
1132 | printf_filtered ("Dump of assembler code "); | |
1133 | if (name != NULL) | |
1134 | printf_filtered ("for function %s:\n", name); | |
1135 | else | |
5af949e3 UW |
1136 | printf_filtered ("from %s to %s:\n", |
1137 | paddress (gdbarch, low), paddress (gdbarch, high)); | |
d14508fe DE |
1138 | |
1139 | /* Dump the specified range. */ | |
7a8eb317 | 1140 | gdb_disassembly (gdbarch, current_uiout, flags, -1, low, high); |
d14508fe DE |
1141 | |
1142 | printf_filtered ("End of assembler dump.\n"); | |
1143 | gdb_flush (gdb_stdout); | |
1144 | } | |
1145 | #if defined(TUI) | |
1146 | else | |
1147 | { | |
13274fc3 | 1148 | tui_show_assembly (gdbarch, low); |
d14508fe DE |
1149 | } |
1150 | #endif | |
1151 | } | |
1152 | ||
1153 | /* Subroutine of disassemble_command to simplify it. | |
9c419145 | 1154 | Print a disassembly of the current function according to FLAGS. */ |
d14508fe DE |
1155 | |
1156 | static void | |
9a24775b | 1157 | disassemble_current_function (gdb_disassembly_flags flags) |
d14508fe | 1158 | { |
13274fc3 UW |
1159 | struct frame_info *frame; |
1160 | struct gdbarch *gdbarch; | |
d14508fe | 1161 | CORE_ADDR low, high, pc; |
2c02bd72 | 1162 | const char *name; |
d14508fe | 1163 | |
13274fc3 UW |
1164 | frame = get_selected_frame (_("No frame selected.")); |
1165 | gdbarch = get_frame_arch (frame); | |
9bf4bce9 | 1166 | pc = get_frame_address_in_block (frame); |
d14508fe DE |
1167 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) |
1168 | error (_("No function contains program counter for selected frame.")); | |
1169 | #if defined(TUI) | |
1170 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously | |
1171 | `tui_version'. */ | |
1172 | if (tui_active) | |
1173 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1174 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
d14508fe | 1175 | #endif |
13274fc3 | 1176 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
d14508fe | 1177 | |
e6158f16 | 1178 | print_disassembly (gdbarch, name, low, high, flags); |
d14508fe DE |
1179 | } |
1180 | ||
1181 | /* Dump a specified section of assembly code. | |
1182 | ||
1183 | Usage: | |
6ff0ba5f | 1184 | disassemble [/mrs] |
d14508fe | 1185 | - dump the assembly code for the function of the current pc |
6ff0ba5f | 1186 | disassemble [/mrs] addr |
d14508fe | 1187 | - dump the assembly code for the function at ADDR |
6ff0ba5f DE |
1188 | disassemble [/mrs] low,high |
1189 | disassemble [/mrs] low,+length | |
53a71c06 | 1190 | - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length) |
d14508fe | 1191 | |
6ff0ba5f DE |
1192 | A /m modifier will include source code with the assembly in a |
1193 | "source centric" view. This view lists only the file of the first insn, | |
1194 | even if other source files are involved (e.g., inlined functions), and | |
1195 | the output is in source order, even with optimized code. This view is | |
1196 | considered deprecated as it hasn't been useful in practice. | |
1197 | ||
1198 | A /r modifier will include raw instructions in hex with the assembly. | |
1199 | ||
1200 | A /s modifier will include source code with the assembly, like /m, with | |
1201 | two important differences: | |
1202 | 1) The output is still in pc address order. | |
1203 | 2) File names and contents for all relevant source files are displayed. */ | |
83c31e7d | 1204 | |
83c31e7d FN |
1205 | static void |
1206 | disassemble_command (char *arg, int from_tty) | |
1207 | { | |
13274fc3 | 1208 | struct gdbarch *gdbarch = get_current_arch (); |
83c31e7d | 1209 | CORE_ADDR low, high; |
2c02bd72 | 1210 | const char *name; |
d36fc00b | 1211 | CORE_ADDR pc; |
9a24775b | 1212 | gdb_disassembly_flags flags; |
bbc13ae3 | 1213 | const char *p; |
83c31e7d | 1214 | |
bbc13ae3 | 1215 | p = arg; |
83c31e7d | 1216 | name = NULL; |
e6158f16 | 1217 | flags = 0; |
d14508fe | 1218 | |
bbc13ae3 | 1219 | if (p && *p == '/') |
83c31e7d | 1220 | { |
bbc13ae3 | 1221 | ++p; |
d14508fe | 1222 | |
bbc13ae3 | 1223 | if (*p == '\0') |
d14508fe DE |
1224 | error (_("Missing modifier.")); |
1225 | ||
bbc13ae3 | 1226 | while (*p && ! isspace (*p)) |
d14508fe | 1227 | { |
bbc13ae3 | 1228 | switch (*p++) |
d14508fe DE |
1229 | { |
1230 | case 'm': | |
6ff0ba5f | 1231 | flags |= DISASSEMBLY_SOURCE_DEPRECATED; |
e6158f16 HZ |
1232 | break; |
1233 | case 'r': | |
1234 | flags |= DISASSEMBLY_RAW_INSN; | |
d14508fe | 1235 | break; |
6ff0ba5f DE |
1236 | case 's': |
1237 | flags |= DISASSEMBLY_SOURCE; | |
1238 | break; | |
d14508fe DE |
1239 | default: |
1240 | error (_("Invalid disassembly modifier.")); | |
1241 | } | |
1242 | } | |
1243 | ||
f1735a53 | 1244 | p = skip_spaces (p); |
d14508fe DE |
1245 | } |
1246 | ||
6ff0ba5f DE |
1247 | if ((flags & (DISASSEMBLY_SOURCE_DEPRECATED | DISASSEMBLY_SOURCE)) |
1248 | == (DISASSEMBLY_SOURCE_DEPRECATED | DISASSEMBLY_SOURCE)) | |
1249 | error (_("Cannot specify both /m and /s.")); | |
1250 | ||
bbc13ae3 | 1251 | if (! p || ! *p) |
d14508fe | 1252 | { |
9c419145 | 1253 | flags |= DISASSEMBLY_OMIT_FNAME; |
e6158f16 | 1254 | disassemble_current_function (flags); |
d14508fe | 1255 | return; |
83c31e7d | 1256 | } |
d14508fe | 1257 | |
bbc13ae3 KS |
1258 | pc = value_as_address (parse_to_comma_and_eval (&p)); |
1259 | if (p[0] == ',') | |
1260 | ++p; | |
1261 | if (p[0] == '\0') | |
83c31e7d FN |
1262 | { |
1263 | /* One argument. */ | |
83c31e7d | 1264 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) |
8a3fe4f8 | 1265 | error (_("No function contains specified address.")); |
83c31e7d | 1266 | #if defined(TUI) |
021e7609 AC |
1267 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously |
1268 | `tui_version'. */ | |
22940a24 AC |
1269 | if (tui_active) |
1270 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1271 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
83c31e7d | 1272 | #endif |
13274fc3 | 1273 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
9c419145 | 1274 | flags |= DISASSEMBLY_OMIT_FNAME; |
83c31e7d FN |
1275 | } |
1276 | else | |
1277 | { | |
1278 | /* Two arguments. */ | |
53a71c06 | 1279 | int incl_flag = 0; |
21a0512e | 1280 | low = pc; |
f1735a53 | 1281 | p = skip_spaces (p); |
bbc13ae3 | 1282 | if (p[0] == '+') |
53a71c06 | 1283 | { |
bbc13ae3 | 1284 | ++p; |
53a71c06 CR |
1285 | incl_flag = 1; |
1286 | } | |
bbc13ae3 | 1287 | high = parse_and_eval_address (p); |
53a71c06 CR |
1288 | if (incl_flag) |
1289 | high += low; | |
83c31e7d FN |
1290 | } |
1291 | ||
e6158f16 | 1292 | print_disassembly (gdbarch, name, low, high, flags); |
83c31e7d FN |
1293 | } |
1294 | ||
d318976c FN |
1295 | static void |
1296 | make_command (char *arg, int from_tty) | |
1297 | { | |
d318976c | 1298 | if (arg == 0) |
be47f9e8 | 1299 | shell_escape ("make", from_tty); |
d318976c FN |
1300 | else |
1301 | { | |
be47f9e8 | 1302 | std::string cmd = std::string ("make ") + arg; |
d318976c | 1303 | |
be47f9e8 PA |
1304 | shell_escape (cmd.c_str (), from_tty); |
1305 | } | |
d318976c FN |
1306 | } |
1307 | ||
d318976c | 1308 | static void |
dede02ce | 1309 | show_user (const char *args, int from_tty) |
d318976c FN |
1310 | { |
1311 | struct cmd_list_element *c; | |
1312 | extern struct cmd_list_element *cmdlist; | |
1313 | ||
1314 | if (args) | |
1315 | { | |
6f937416 | 1316 | const char *comname = args; |
cdb27c12 | 1317 | |
adb483fe | 1318 | c = lookup_cmd (&comname, cmdlist, "", 0, 1); |
a9f116cb | 1319 | if (!cli_user_command_p (c)) |
8a3fe4f8 | 1320 | error (_("Not a user command.")); |
adb483fe | 1321 | show_user_1 (c, "", args, gdb_stdout); |
d318976c FN |
1322 | } |
1323 | else | |
1324 | { | |
1325 | for (c = cmdlist; c; c = c->next) | |
1326 | { | |
a9f116cb | 1327 | if (cli_user_command_p (c) || c->prefixlist != NULL) |
adb483fe | 1328 | show_user_1 (c, "", c->name, gdb_stdout); |
d318976c FN |
1329 | } |
1330 | } | |
1331 | } | |
1332 | ||
1333 | /* Search through names of commands and documentations for a certain | |
ebcd3b23 MS |
1334 | regular expression. */ |
1335 | ||
c419cfba | 1336 | static void |
d318976c FN |
1337 | apropos_command (char *searchstr, int from_tty) |
1338 | { | |
d318976c | 1339 | if (searchstr == NULL) |
f55af66d | 1340 | error (_("REGEXP string is empty")); |
d318976c | 1341 | |
2d7cc5c7 PA |
1342 | compiled_regex pattern (searchstr, REG_ICASE, |
1343 | _("Error in regular expression")); | |
dc92e161 | 1344 | |
2d7cc5c7 | 1345 | apropos_cmd (gdb_stdout, cmdlist, pattern, ""); |
d318976c | 1346 | } |
5a56e9c5 DE |
1347 | |
1348 | /* Subroutine of alias_command to simplify it. | |
1349 | Return the first N elements of ARGV flattened back to a string | |
1350 | with a space separating each element. | |
1351 | ARGV may not be NULL. | |
1352 | This does not take care of quoting elements in case they contain spaces | |
1353 | on purpose. */ | |
1354 | ||
a97e29d2 TT |
1355 | static std::string |
1356 | argv_to_string (char **argv, int n) | |
5a56e9c5 DE |
1357 | { |
1358 | int i; | |
a97e29d2 | 1359 | std::string result; |
5a56e9c5 DE |
1360 | |
1361 | gdb_assert (argv != NULL); | |
1362 | gdb_assert (n >= 0 && n <= countargv (argv)); | |
1363 | ||
1364 | for (i = 0; i < n; ++i) | |
1365 | { | |
1366 | if (i > 0) | |
a97e29d2 TT |
1367 | result += " "; |
1368 | result += argv[i]; | |
5a56e9c5 DE |
1369 | } |
1370 | ||
1371 | return result; | |
1372 | } | |
1373 | ||
1374 | /* Subroutine of alias_command to simplify it. | |
1375 | Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */ | |
1376 | ||
1377 | static int | |
6f937416 | 1378 | valid_command_p (const char *command) |
5a56e9c5 DE |
1379 | { |
1380 | struct cmd_list_element *c; | |
1381 | ||
1382 | c = lookup_cmd_1 (& command, cmdlist, NULL, 1); | |
1383 | ||
1384 | if (c == NULL || c == (struct cmd_list_element *) -1) | |
1385 | return FALSE; | |
1386 | ||
1387 | /* This is the slightly tricky part. | |
1388 | lookup_cmd_1 will return a pointer to the last part of COMMAND | |
1389 | to match, leaving COMMAND pointing at the remainder. */ | |
1390 | while (*command == ' ' || *command == '\t') | |
1391 | ++command; | |
1392 | return *command == '\0'; | |
1393 | } | |
1394 | ||
7f31862a PA |
1395 | /* Called when "alias" was incorrectly used. */ |
1396 | ||
1397 | static void | |
1398 | alias_usage_error (void) | |
1399 | { | |
1400 | error (_("Usage: alias [-a] [--] ALIAS = COMMAND")); | |
1401 | } | |
1402 | ||
5a56e9c5 DE |
1403 | /* Make an alias of an existing command. */ |
1404 | ||
1405 | static void | |
1406 | alias_command (char *args, int from_tty) | |
1407 | { | |
1408 | int i, alias_argc, command_argc; | |
1409 | int abbrev_flag = 0; | |
773a1edc | 1410 | char *equals; |
a97e29d2 | 1411 | const char *alias, *command; |
5a56e9c5 DE |
1412 | |
1413 | if (args == NULL || strchr (args, '=') == NULL) | |
7f31862a | 1414 | alias_usage_error (); |
5a56e9c5 | 1415 | |
773a1edc TT |
1416 | equals = strchr (args, '='); |
1417 | std::string args2 (args, equals - args); | |
1418 | ||
1419 | gdb_argv built_alias_argv (args2.c_str ()); | |
1420 | gdb_argv command_argv (equals + 1); | |
5a56e9c5 | 1421 | |
773a1edc TT |
1422 | char **alias_argv = built_alias_argv.get (); |
1423 | while (alias_argv[0] != NULL) | |
5a56e9c5 | 1424 | { |
773a1edc | 1425 | if (strcmp (alias_argv[0], "-a") == 0) |
5a56e9c5 DE |
1426 | { |
1427 | ++alias_argv; | |
1428 | abbrev_flag = 1; | |
1429 | } | |
773a1edc | 1430 | else if (strcmp (alias_argv[0], "--") == 0) |
5a56e9c5 DE |
1431 | { |
1432 | ++alias_argv; | |
1433 | break; | |
1434 | } | |
1435 | else | |
1436 | break; | |
1437 | } | |
1438 | ||
1439 | if (alias_argv[0] == NULL || command_argv[0] == NULL | |
1440 | || *alias_argv[0] == '\0' || *command_argv[0] == '\0') | |
7f31862a | 1441 | alias_usage_error (); |
5a56e9c5 DE |
1442 | |
1443 | for (i = 0; alias_argv[i] != NULL; ++i) | |
1444 | { | |
1445 | if (! valid_user_defined_cmd_name_p (alias_argv[i])) | |
1446 | { | |
1447 | if (i == 0) | |
1448 | error (_("Invalid command name: %s"), alias_argv[i]); | |
1449 | else | |
1450 | error (_("Invalid command element name: %s"), alias_argv[i]); | |
1451 | } | |
1452 | } | |
1453 | ||
1454 | alias_argc = countargv (alias_argv); | |
773a1edc | 1455 | command_argc = command_argv.count (); |
5a56e9c5 DE |
1456 | |
1457 | /* COMMAND must exist. | |
1458 | Reconstruct the command to remove any extraneous spaces, | |
1459 | for better error messages. */ | |
773a1edc TT |
1460 | std::string command_string (argv_to_string (command_argv.get (), |
1461 | command_argc)); | |
a97e29d2 | 1462 | command = command_string.c_str (); |
5a56e9c5 DE |
1463 | if (! valid_command_p (command)) |
1464 | error (_("Invalid command to alias to: %s"), command); | |
1465 | ||
1466 | /* ALIAS must not exist. */ | |
a97e29d2 TT |
1467 | std::string alias_string (argv_to_string (alias_argv, alias_argc)); |
1468 | alias = alias_string.c_str (); | |
5a56e9c5 DE |
1469 | if (valid_command_p (alias)) |
1470 | error (_("Alias already exists: %s"), alias); | |
1471 | ||
1472 | /* If ALIAS is one word, it is an alias for the entire COMMAND. | |
1473 | Example: alias spe = set print elements | |
1474 | ||
1475 | Otherwise ALIAS and COMMAND must have the same number of words, | |
1476 | and every word except the last must match; and the last word of | |
1477 | ALIAS is made an alias of the last word of COMMAND. | |
1478 | Example: alias set print elms = set pr elem | |
1479 | Note that unambiguous abbreviations are allowed. */ | |
1480 | ||
1481 | if (alias_argc == 1) | |
1482 | { | |
1483 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
1484 | add_com_alias (xstrdup (alias_argv[0]), command, class_alias, | |
1485 | abbrev_flag); | |
1486 | } | |
1487 | else | |
1488 | { | |
6f937416 | 1489 | const char *alias_prefix, *command_prefix; |
5a56e9c5 DE |
1490 | struct cmd_list_element *c_alias, *c_command; |
1491 | ||
1492 | if (alias_argc != command_argc) | |
1493 | error (_("Mismatched command length between ALIAS and COMMAND.")); | |
1494 | ||
1495 | /* Create copies of ALIAS and COMMAND without the last word, | |
1496 | and use that to verify the leading elements match. */ | |
a97e29d2 TT |
1497 | std::string alias_prefix_string (argv_to_string (alias_argv, |
1498 | alias_argc - 1)); | |
1499 | std::string command_prefix_string (argv_to_string (alias_argv, | |
1500 | command_argc - 1)); | |
1501 | alias_prefix = alias_prefix_string.c_str (); | |
1502 | command_prefix = command_prefix_string.c_str (); | |
5a56e9c5 DE |
1503 | |
1504 | c_command = lookup_cmd_1 (& command_prefix, cmdlist, NULL, 1); | |
1505 | /* We've already tried to look up COMMAND. */ | |
1506 | gdb_assert (c_command != NULL | |
1507 | && c_command != (struct cmd_list_element *) -1); | |
1508 | gdb_assert (c_command->prefixlist != NULL); | |
1509 | c_alias = lookup_cmd_1 (& alias_prefix, cmdlist, NULL, 1); | |
1510 | if (c_alias != c_command) | |
1511 | error (_("ALIAS and COMMAND prefixes do not match.")); | |
1512 | ||
1513 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
1514 | add_alias_cmd (xstrdup (alias_argv[alias_argc - 1]), | |
1515 | command_argv[command_argc - 1], | |
1516 | class_alias, abbrev_flag, c_command->prefixlist); | |
1517 | } | |
1518 | } | |
d318976c | 1519 | \f |
06871ae8 PA |
1520 | /* Print the file / line number / symbol name of the location |
1521 | specified by SAL. */ | |
1522 | ||
1523 | static void | |
1524 | print_sal_location (const symtab_and_line &sal) | |
1525 | { | |
1526 | scoped_restore_current_program_space restore_pspace; | |
1527 | set_current_program_space (sal.pspace); | |
1528 | ||
1529 | const char *sym_name = NULL; | |
1530 | if (sal.symbol != NULL) | |
1531 | sym_name = SYMBOL_PRINT_NAME (sal.symbol); | |
1532 | printf_filtered (_("file: \"%s\", line number: %d, symbol: \"%s\"\n"), | |
1533 | symtab_to_filename_for_display (sal.symtab), | |
1534 | sal.line, sym_name != NULL ? sym_name : "???"); | |
1535 | } | |
1536 | ||
0378c332 | 1537 | /* Print a list of files and line numbers which a user may choose from |
ebcd3b23 | 1538 | in order to list a function which was specified ambiguously (as |
6c5b2ebe PA |
1539 | with `list classname::overloadedfuncname', for example). The SALS |
1540 | array provides the filenames and line numbers. FORMAT is a | |
1541 | printf-style format string used to tell the user what was | |
e439fa14 | 1542 | ambiguous. */ |
0378c332 FN |
1543 | |
1544 | static void | |
6c5b2ebe PA |
1545 | ambiguous_line_spec (gdb::array_view<const symtab_and_line> sals, |
1546 | const char *format, ...) | |
0378c332 | 1547 | { |
e439fa14 PA |
1548 | va_list ap; |
1549 | va_start (ap, format); | |
1550 | vprintf_filtered (format, ap); | |
1551 | va_end (ap); | |
1552 | ||
6c5b2ebe | 1553 | for (const auto &sal : sals) |
06871ae8 | 1554 | print_sal_location (sal); |
0378c332 FN |
1555 | } |
1556 | ||
6c5b2ebe PA |
1557 | /* Comparison function for filter_sals. Returns a qsort-style |
1558 | result. */ | |
f8eba3c6 TT |
1559 | |
1560 | static int | |
6c5b2ebe | 1561 | cmp_symtabs (const symtab_and_line &sala, const symtab_and_line &salb) |
f8eba3c6 | 1562 | { |
6c5b2ebe PA |
1563 | const char *dira = SYMTAB_DIRNAME (sala.symtab); |
1564 | const char *dirb = SYMTAB_DIRNAME (salb.symtab); | |
f8eba3c6 TT |
1565 | int r; |
1566 | ||
ee6f8984 | 1567 | if (dira == NULL) |
f8eba3c6 | 1568 | { |
ee6f8984 | 1569 | if (dirb != NULL) |
f8eba3c6 TT |
1570 | return -1; |
1571 | } | |
ee6f8984 | 1572 | else if (dirb == NULL) |
f8eba3c6 | 1573 | { |
ee6f8984 | 1574 | if (dira != NULL) |
f8eba3c6 TT |
1575 | return 1; |
1576 | } | |
1577 | else | |
1578 | { | |
ee6f8984 | 1579 | r = filename_cmp (dira, dirb); |
f8eba3c6 TT |
1580 | if (r) |
1581 | return r; | |
1582 | } | |
1583 | ||
6c5b2ebe | 1584 | r = filename_cmp (sala.symtab->filename, salb.symtab->filename); |
f8eba3c6 TT |
1585 | if (r) |
1586 | return r; | |
1587 | ||
6c5b2ebe | 1588 | if (sala.line < salb.line) |
f8eba3c6 | 1589 | return -1; |
6c5b2ebe | 1590 | return sala.line == salb.line ? 0 : 1; |
f8eba3c6 TT |
1591 | } |
1592 | ||
1593 | /* Remove any SALs that do not match the current program space, or | |
1594 | which appear to be "file:line" duplicates. */ | |
1595 | ||
1596 | static void | |
6c5b2ebe | 1597 | filter_sals (std::vector<symtab_and_line> &sals) |
f8eba3c6 | 1598 | { |
6c5b2ebe PA |
1599 | /* Remove SALs that do not match. */ |
1600 | auto from = std::remove_if (sals.begin (), sals.end (), | |
1601 | [&] (const symtab_and_line &sal) | |
1602 | { return (sal.pspace != current_program_space || sal.symtab == NULL); }); | |
1603 | ||
1604 | /* Remove dups. */ | |
1605 | std::sort (sals.begin (), from, | |
1606 | [] (const symtab_and_line &sala, const symtab_and_line &salb) | |
1607 | { return cmp_symtabs (sala, salb) < 0; }); | |
1608 | ||
1609 | from = std::unique (sals.begin (), from, | |
1610 | [&] (const symtab_and_line &sala, | |
1611 | const symtab_and_line &salb) | |
1612 | { return cmp_symtabs (sala, salb) == 0; }); | |
1613 | ||
1614 | sals.erase (from, sals.end ()); | |
f8eba3c6 TT |
1615 | } |
1616 | ||
d318976c FN |
1617 | static void |
1618 | set_debug (char *arg, int from_tty) | |
1619 | { | |
9a2b4c1b MS |
1620 | printf_unfiltered (_("\"set debug\" must be followed by " |
1621 | "the name of a debug subcommand.\n")); | |
635c7e8a | 1622 | help_list (setdebuglist, "set debug ", all_commands, gdb_stdout); |
d318976c FN |
1623 | } |
1624 | ||
1625 | static void | |
1626 | show_debug (char *args, int from_tty) | |
1627 | { | |
1628 | cmd_show_list (showdebuglist, from_tty, ""); | |
1629 | } | |
1630 | ||
1631 | void | |
1632 | init_cmd_lists (void) | |
1633 | { | |
20f01a46 | 1634 | max_user_call_depth = 1024; |
d318976c FN |
1635 | } |
1636 | ||
920d2a44 AC |
1637 | static void |
1638 | show_info_verbose (struct ui_file *file, int from_tty, | |
1639 | struct cmd_list_element *c, | |
1640 | const char *value) | |
1641 | { | |
1642 | if (info_verbose) | |
9a2b4c1b MS |
1643 | fprintf_filtered (file, |
1644 | _("Verbose printing of informational messages is %s.\n"), | |
1645 | value); | |
920d2a44 AC |
1646 | else |
1647 | fprintf_filtered (file, _("Verbosity is %s.\n"), value); | |
1648 | } | |
1649 | ||
1650 | static void | |
1651 | show_history_expansion_p (struct ui_file *file, int from_tty, | |
1652 | struct cmd_list_element *c, const char *value) | |
1653 | { | |
1654 | fprintf_filtered (file, _("History expansion on command input is %s.\n"), | |
1655 | value); | |
1656 | } | |
1657 | ||
920d2a44 AC |
1658 | static void |
1659 | show_remote_debug (struct ui_file *file, int from_tty, | |
1660 | struct cmd_list_element *c, const char *value) | |
1661 | { | |
1662 | fprintf_filtered (file, _("Debugging of remote protocol is %s.\n"), | |
1663 | value); | |
1664 | } | |
1665 | ||
1666 | static void | |
1667 | show_remote_timeout (struct ui_file *file, int from_tty, | |
1668 | struct cmd_list_element *c, const char *value) | |
1669 | { | |
9a2b4c1b MS |
1670 | fprintf_filtered (file, |
1671 | _("Timeout limit to wait for target to respond is %s.\n"), | |
920d2a44 AC |
1672 | value); |
1673 | } | |
1674 | ||
1675 | static void | |
1676 | show_max_user_call_depth (struct ui_file *file, int from_tty, | |
1677 | struct cmd_list_element *c, const char *value) | |
1678 | { | |
9a2b4c1b MS |
1679 | fprintf_filtered (file, |
1680 | _("The max call depth for user-defined commands is %s.\n"), | |
920d2a44 AC |
1681 | value); |
1682 | } | |
1683 | ||
d318976c | 1684 | void |
43e4916f | 1685 | _initialize_cli_cmds (void) |
d318976c FN |
1686 | { |
1687 | struct cmd_list_element *c; | |
1688 | ||
1689 | /* Define the classes of commands. | |
1bfeeb0f | 1690 | They will appear in the help list in alphabetical order. */ |
d318976c | 1691 | |
0450cc4c | 1692 | add_cmd ("internals", class_maintenance, _("\ |
1a966eab | 1693 | Maintenance commands.\n\ |
d318976c FN |
1694 | Some gdb commands are provided just for use by gdb maintainers.\n\ |
1695 | These commands are subject to frequent change, and may not be as\n\ | |
1a966eab | 1696 | well documented as user commands."), |
d318976c | 1697 | &cmdlist); |
0450cc4c TT |
1698 | add_cmd ("obscure", class_obscure, _("Obscure features."), &cmdlist); |
1699 | add_cmd ("aliases", class_alias, | |
9a2b4c1b | 1700 | _("Aliases of other commands."), &cmdlist); |
0450cc4c | 1701 | add_cmd ("user-defined", class_user, _("\ |
1a966eab | 1702 | User-defined commands.\n\ |
d318976c | 1703 | The commands in this class are those defined by the user.\n\ |
1a966eab | 1704 | Use the \"define\" command to define a command."), &cmdlist); |
0450cc4c | 1705 | add_cmd ("support", class_support, _("Support facilities."), &cmdlist); |
d318976c | 1706 | if (!dbx_commands) |
0450cc4c TT |
1707 | add_cmd ("status", class_info, _("Status inquiries."), &cmdlist); |
1708 | add_cmd ("files", class_files, _("Specifying and examining files."), | |
1a966eab | 1709 | &cmdlist); |
0450cc4c | 1710 | add_cmd ("breakpoints", class_breakpoint, |
1a966eab | 1711 | _("Making program stop at certain points."), &cmdlist); |
0450cc4c TT |
1712 | add_cmd ("data", class_vars, _("Examining data."), &cmdlist); |
1713 | add_cmd ("stack", class_stack, _("\ | |
1a966eab | 1714 | Examining the stack.\n\ |
d318976c FN |
1715 | The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\ |
1716 | counting from zero for the innermost (currently executing) frame.\n\n\ | |
1717 | At any time gdb identifies one frame as the \"selected\" frame.\n\ | |
1718 | Variable lookups are done with respect to the selected frame.\n\ | |
1719 | When the program being debugged stops, gdb selects the innermost frame.\n\ | |
1a966eab | 1720 | The commands below can be used to select other frames by number or address."), |
d318976c | 1721 | &cmdlist); |
0450cc4c | 1722 | add_cmd ("running", class_run, _("Running the program."), &cmdlist); |
d318976c | 1723 | |
ebcd3b23 | 1724 | /* Define general commands. */ |
d318976c | 1725 | |
d729566a | 1726 | add_com ("pwd", class_files, pwd_command, _("\ |
1bedd215 | 1727 | Print working directory. This is used for your program as well.")); |
4f8d22e3 | 1728 | |
1a966eab AC |
1729 | c = add_cmd ("cd", class_files, cd_command, _("\ |
1730 | Set working directory to DIR for debugger and program being debugged.\n\ | |
d318976c | 1731 | The change does not take effect for the program being debugged\n\ |
1a966eab | 1732 | until the next time it is started."), &cmdlist); |
5ba2abeb | 1733 | set_cmd_completer (c, filename_completer); |
d318976c | 1734 | |
1bedd215 AC |
1735 | add_com ("echo", class_support, echo_command, _("\ |
1736 | Print a constant string. Give string as argument.\n\ | |
d318976c FN |
1737 | C escape sequences may be used in the argument.\n\ |
1738 | No newline is added at the end of the argument;\n\ | |
1739 | use \"\\n\" if you want a newline to be printed.\n\ | |
1740 | Since leading and trailing whitespace are ignored in command arguments,\n\ | |
1741 | if you want to print some you must use \"\\\" before leading whitespace\n\ | |
1bedd215 | 1742 | to be printed or after trailing whitespace.")); |
d318976c | 1743 | |
973817a3 JB |
1744 | add_setshow_enum_cmd ("script-extension", class_support, |
1745 | script_ext_enums, &script_ext_mode, _("\ | |
1746 | Set mode for script filename extension recognition."), _("\ | |
1747 | Show mode for script filename extension recognition."), _("\ | |
1748 | off == no filename extension recognition (all sourced files are GDB scripts)\n\ | |
1749 | soft == evaluate script according to filename extension, fallback to GDB script" | |
1750 | "\n\ | |
1751 | strict == evaluate script according to filename extension, error if not supported" | |
1752 | ), | |
1753 | NULL, | |
1754 | show_script_ext_mode, | |
1755 | &setlist, &showlist); | |
1756 | ||
bdb52a22 TT |
1757 | add_com ("quit", class_support, quit_command, _("\ |
1758 | Exit gdb.\n\ | |
1759 | Usage: quit [EXPR]\n\ | |
1760 | The optional expression EXPR, if present, is evaluated and the result\n\ | |
1761 | used as GDB's exit code. The default is zero.")); | |
1bedd215 AC |
1762 | c = add_com ("help", class_support, help_command, |
1763 | _("Print list of commands.")); | |
5ba2abeb | 1764 | set_cmd_completer (c, command_completer); |
d318976c FN |
1765 | add_com_alias ("q", "quit", class_support, 1); |
1766 | add_com_alias ("h", "help", class_support, 1); | |
1767 | ||
5bf193a2 AC |
1768 | add_setshow_boolean_cmd ("verbose", class_support, &info_verbose, _("\ |
1769 | Set verbosity."), _("\ | |
1770 | Show verbosity."), NULL, | |
1771 | set_verbose, | |
920d2a44 | 1772 | show_info_verbose, |
5bf193a2 | 1773 | &setlist, &showlist); |
d318976c FN |
1774 | |
1775 | add_prefix_cmd ("history", class_support, set_history, | |
1bedd215 | 1776 | _("Generic command for setting command history parameters."), |
d318976c FN |
1777 | &sethistlist, "set history ", 0, &setlist); |
1778 | add_prefix_cmd ("history", class_support, show_history, | |
1bedd215 | 1779 | _("Generic command for showing command history parameters."), |
d318976c FN |
1780 | &showhistlist, "show history ", 0, &showlist); |
1781 | ||
5bf193a2 AC |
1782 | add_setshow_boolean_cmd ("expansion", no_class, &history_expansion_p, _("\ |
1783 | Set history expansion on command input."), _("\ | |
1784 | Show history expansion on command input."), _("\ | |
1785 | Without an argument, history expansion is enabled."), | |
1786 | NULL, | |
920d2a44 | 1787 | show_history_expansion_p, |
5bf193a2 | 1788 | &sethistlist, &showhistlist); |
d318976c | 1789 | |
d729566a | 1790 | add_prefix_cmd ("info", class_info, info_command, _("\ |
1bedd215 | 1791 | Generic command for showing things about the program being debugged."), |
d729566a | 1792 | &infolist, "info ", 0, &cmdlist); |
d318976c | 1793 | add_com_alias ("i", "info", class_info, 1); |
a177aad3 | 1794 | add_com_alias ("inf", "info", class_info, 1); |
d318976c FN |
1795 | |
1796 | add_com ("complete", class_obscure, complete_command, | |
1bedd215 | 1797 | _("List the completions for the rest of the line as a command.")); |
d318976c | 1798 | |
d729566a | 1799 | add_prefix_cmd ("show", class_info, show_command, _("\ |
700b53b1 | 1800 | Generic command for showing things about the debugger."), |
d729566a | 1801 | &showlist, "show ", 0, &cmdlist); |
d318976c | 1802 | /* Another way to get at the same thing. */ |
1bedd215 | 1803 | add_info ("set", show_command, _("Show all GDB settings.")); |
d318976c | 1804 | |
db5f229b | 1805 | add_cmd ("commands", no_set_class, show_commands, _("\ |
1a966eab | 1806 | Show the history of commands you typed.\n\ |
d318976c | 1807 | You can supply a command number to start with, or a `+' to start after\n\ |
1a966eab | 1808 | the previous command number shown."), |
d318976c FN |
1809 | &showlist); |
1810 | ||
db5f229b | 1811 | add_cmd ("version", no_set_class, show_version, |
1a966eab | 1812 | _("Show what version of GDB this is."), &showlist); |
d318976c | 1813 | |
6eaaf48b EZ |
1814 | add_cmd ("configuration", no_set_class, show_configuration, |
1815 | _("Show how GDB was configured at build time."), &showlist); | |
1816 | ||
85c07804 AC |
1817 | add_setshow_zinteger_cmd ("remote", no_class, &remote_debug, _("\ |
1818 | Set debugging of remote protocol."), _("\ | |
1819 | Show debugging of remote protocol."), _("\ | |
d318976c | 1820 | When enabled, each packet sent or received with the remote target\n\ |
85c07804 AC |
1821 | is displayed."), |
1822 | NULL, | |
920d2a44 | 1823 | show_remote_debug, |
85c07804 | 1824 | &setdebuglist, &showdebuglist); |
d318976c | 1825 | |
6fc1c773 YQ |
1826 | add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class, |
1827 | &remote_timeout, _("\ | |
c0d88b1b AC |
1828 | Set timeout limit to wait for target to respond."), _("\ |
1829 | Show timeout limit to wait for target to respond."), _("\ | |
d318976c | 1830 | This value is used to set the time limit for gdb to wait for a response\n\ |
c0d88b1b | 1831 | from the target."), |
6fc1c773 YQ |
1832 | NULL, |
1833 | show_remote_timeout, | |
1834 | &setlist, &showlist); | |
d318976c FN |
1835 | |
1836 | add_prefix_cmd ("debug", no_class, set_debug, | |
1bedd215 | 1837 | _("Generic command for setting gdb debugging flags"), |
d318976c FN |
1838 | &setdebuglist, "set debug ", 0, &setlist); |
1839 | ||
1840 | add_prefix_cmd ("debug", no_class, show_debug, | |
1bedd215 | 1841 | _("Generic command for showing gdb debugging flags"), |
d318976c FN |
1842 | &showdebuglist, "show debug ", 0, &showlist); |
1843 | ||
be47f9e8 | 1844 | c = add_com ("shell", class_support, shell_command, _("\ |
1bedd215 AC |
1845 | Execute the rest of the line as a shell command.\n\ |
1846 | With no arguments, run an inferior shell.")); | |
5ba2abeb | 1847 | set_cmd_completer (c, filename_completer); |
d318976c | 1848 | |
1bedd215 AC |
1849 | c = add_com ("edit", class_files, edit_command, _("\ |
1850 | Edit specified file or function.\n\ | |
0378c332 | 1851 | With no argument, edits file containing most recent line listed.\n\ |
0378c332 FN |
1852 | Editing targets can be specified in these ways:\n\ |
1853 | FILE:LINENUM, to edit at that line in that file,\n\ | |
1854 | FUNCTION, to edit at the beginning of that function,\n\ | |
1855 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1856 | *ADDRESS, to edit at the line containing that address.\n\ | |
1bedd215 | 1857 | Uses EDITOR environment variable contents as editor (or ex as default).")); |
0378c332 FN |
1858 | |
1859 | c->completer = location_completer; | |
1860 | ||
1bedd215 AC |
1861 | add_com ("list", class_files, list_command, _("\ |
1862 | List specified function or line.\n\ | |
0378c332 FN |
1863 | With no argument, lists ten more lines after or around previous listing.\n\ |
1864 | \"list -\" lists the ten lines before a previous ten-line listing.\n\ | |
1865 | One argument specifies a line, and ten lines are listed around that line.\n\ | |
1866 | Two arguments with comma between specify starting and ending lines to list.\n\ | |
0378c332 FN |
1867 | Lines can be specified in these ways:\n\ |
1868 | LINENUM, to list around that line in current file,\n\ | |
1869 | FILE:LINENUM, to list around that line in that file,\n\ | |
1870 | FUNCTION, to list around beginning of that function,\n\ | |
1871 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1872 | *ADDRESS, to list around the line containing that address.\n\ | |
4fdd372d AB |
1873 | With two args, if one is empty, it stands for ten lines away from\n\ |
1874 | the other arg.\n\ | |
1875 | \n\ | |
1876 | By default, when a single location is given, display ten lines.\n\ | |
1877 | This can be changed using \"set listsize\", and the current value\n\ | |
1878 | can be shown using \"show listsize\".")); | |
0378c332 | 1879 | |
4f45d445 | 1880 | add_com_alias ("l", "list", class_files, 1); |
0378c332 FN |
1881 | |
1882 | if (dbx_commands) | |
1883 | add_com_alias ("file", "list", class_files, 1); | |
1884 | ||
1bedd215 AC |
1885 | c = add_com ("disassemble", class_vars, disassemble_command, _("\ |
1886 | Disassemble a specified section of memory.\n\ | |
83c31e7d | 1887 | Default is the function surrounding the pc of the selected frame.\n\ |
6ff0ba5f | 1888 | \n\ |
d14508fe | 1889 | With a /m modifier, source lines are included (if available).\n\ |
6ff0ba5f DE |
1890 | This view is \"source centric\": the output is in source line order,\n\ |
1891 | regardless of any optimization that is present. Only the main source file\n\ | |
1892 | is displayed, not those of, e.g., any inlined functions.\n\ | |
1893 | This modifier hasn't proved useful in practice and is deprecated\n\ | |
1894 | in favor of /s.\n\ | |
1895 | \n\ | |
1896 | With a /s modifier, source lines are included (if available).\n\ | |
1897 | This differs from /m in two important respects:\n\ | |
1898 | - the output is still in pc address order, and\n\ | |
1899 | - file names and contents for all relevant source files are displayed.\n\ | |
1900 | \n\ | |
e6158f16 | 1901 | With a /r modifier, raw instructions in hex are included.\n\ |
6ff0ba5f | 1902 | \n\ |
83c31e7d | 1903 | With a single argument, the function surrounding that address is dumped.\n\ |
53a71c06 | 1904 | Two arguments (separated by a comma) are taken as a range of memory to dump,\n\ |
7e1e0340 DE |
1905 | in the form of \"start,end\", or \"start,+length\".\n\ |
1906 | \n\ | |
1907 | Note that the address is interpreted as an expression, not as a location\n\ | |
1908 | like in the \"break\" command.\n\ | |
1909 | So, for example, if you want to disassemble function bar in file foo.c\n\ | |
1910 | you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\".")); | |
83c31e7d | 1911 | set_cmd_completer (c, location_completer); |
0378c332 | 1912 | |
ed59ded5 | 1913 | add_com_alias ("!", "shell", class_support, 0); |
d318976c | 1914 | |
1bedd215 AC |
1915 | c = add_com ("make", class_support, make_command, _("\ |
1916 | Run the ``make'' program using the rest of the line as arguments.")); | |
5ba2abeb | 1917 | set_cmd_completer (c, filename_completer); |
1a966eab | 1918 | add_cmd ("user", no_class, show_user, _("\ |
ed3ef339 | 1919 | Show definitions of non-python/scheme user defined commands.\n\ |
d318976c | 1920 | Argument is the name of the user defined command.\n\ |
1a966eab | 1921 | With no argument, show definitions of all user defined commands."), &showlist); |
1bedd215 AC |
1922 | add_com ("apropos", class_support, apropos_command, |
1923 | _("Search for commands matching a REGEXP")); | |
20f01a46 | 1924 | |
883b9c6c | 1925 | add_setshow_uinteger_cmd ("max-user-call-depth", no_class, |
c0d88b1b | 1926 | &max_user_call_depth, _("\ |
ed3ef339 DE |
1927 | Set the max call depth for non-python/scheme user-defined commands."), _("\ |
1928 | Show the max call depth for non-python/scheme user-defined commands."), NULL, | |
883b9c6c YQ |
1929 | NULL, |
1930 | show_max_user_call_depth, | |
1931 | &setlist, &showlist); | |
16026cd7 AS |
1932 | |
1933 | add_setshow_boolean_cmd ("trace-commands", no_class, &trace_commands, _("\ | |
1934 | Set tracing of GDB CLI commands."), _("\ | |
1935 | Show state of GDB CLI command tracing."), _("\ | |
1936 | When 'on', each command is displayed as it is executed."), | |
1937 | NULL, | |
1938 | NULL, | |
1939 | &setlist, &showlist); | |
5a56e9c5 DE |
1940 | |
1941 | c = add_com ("alias", class_support, alias_command, _("\ | |
1942 | Define a new command that is an alias of an existing command.\n\ | |
1943 | Usage: alias [-a] [--] ALIAS = COMMAND\n\ | |
1944 | ALIAS is the name of the alias command to create.\n\ | |
1945 | COMMAND is the command being aliased to.\n\ | |
1946 | If \"-a\" is specified, the command is an abbreviation,\n\ | |
1947 | and will not appear in help command list output.\n\ | |
1948 | \n\ | |
1949 | Examples:\n\ | |
1950 | Make \"spe\" an alias of \"set print elements\":\n\ | |
1951 | alias spe = set print elements\n\ | |
1952 | Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\ | |
1953 | alias -a set print elms = set print elements")); | |
d318976c | 1954 | } |
43e4916f TT |
1955 | |
1956 | void | |
1957 | init_cli_cmds (void) | |
1958 | { | |
1959 | struct cmd_list_element *c; | |
1960 | char *source_help_text; | |
1961 | ||
1962 | source_help_text = xstrprintf (_("\ | |
1963 | Read commands from a file named FILE.\n\ | |
1964 | \n\ | |
1965 | Usage: source [-s] [-v] FILE\n\ | |
1966 | -s: search for the script in the source search path,\n\ | |
1967 | even if FILE contains directories.\n\ | |
1968 | -v: each command in FILE is echoed as it is executed.\n\ | |
1969 | \n\ | |
1970 | Note that the file \"%s\" is read automatically in this way\n\ | |
1971 | when GDB is started."), gdbinit); | |
1972 | c = add_cmd ("source", class_support, source_command, | |
1973 | source_help_text, &cmdlist); | |
1974 | set_cmd_completer (c, filename_completer); | |
1975 | } |