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 | ||
69 | static void show_version (char *, int); | |
70 | ||
d318976c FN |
71 | static void help_command (char *, int); |
72 | ||
73 | static void show_command (char *, int); | |
74 | ||
75 | static void info_command (char *, int); | |
76 | ||
77 | static void show_debug (char *, int); | |
78 | ||
79 | static void set_debug (char *, int); | |
80 | ||
81 | static void show_user (char *, int); | |
82 | ||
83 | static void make_command (char *, int); | |
84 | ||
be47f9e8 | 85 | static void shell_escape (const char *, int); |
d318976c | 86 | |
0378c332 FN |
87 | static void edit_command (char *, int); |
88 | ||
89 | static void list_command (char *, int); | |
90 | ||
0378c332 FN |
91 | /* Prototypes for local utility functions */ |
92 | ||
e439fa14 PA |
93 | static void ambiguous_line_spec (struct symtabs_and_lines *, |
94 | const char *format, ...) | |
95 | ATTRIBUTE_PRINTF (2, 3); | |
f8eba3c6 TT |
96 | |
97 | static void filter_sals (struct symtabs_and_lines *); | |
98 | ||
d318976c | 99 | \f |
20f01a46 | 100 | /* Limit the call depth of user-defined commands */ |
883b9c6c | 101 | unsigned int max_user_call_depth; |
20f01a46 | 102 | |
d318976c FN |
103 | /* Define all cmd_list_elements. */ |
104 | ||
105 | /* Chain containing all defined commands. */ | |
106 | ||
107 | struct cmd_list_element *cmdlist; | |
108 | ||
109 | /* Chain containing all defined info subcommands. */ | |
110 | ||
111 | struct cmd_list_element *infolist; | |
112 | ||
ebcd3b23 | 113 | /* Chain containing all defined enable subcommands. */ |
d318976c FN |
114 | |
115 | struct cmd_list_element *enablelist; | |
116 | ||
ebcd3b23 | 117 | /* Chain containing all defined disable subcommands. */ |
d318976c FN |
118 | |
119 | struct cmd_list_element *disablelist; | |
120 | ||
ebcd3b23 | 121 | /* Chain containing all defined stop subcommands. */ |
d318976c FN |
122 | |
123 | struct cmd_list_element *stoplist; | |
124 | ||
ebcd3b23 | 125 | /* Chain containing all defined delete subcommands. */ |
d318976c FN |
126 | |
127 | struct cmd_list_element *deletelist; | |
128 | ||
ebcd3b23 | 129 | /* Chain containing all defined detach subcommands. */ |
f73adfeb AS |
130 | |
131 | struct cmd_list_element *detachlist; | |
132 | ||
ebcd3b23 | 133 | /* Chain containing all defined kill subcommands. */ |
2277426b PA |
134 | |
135 | struct cmd_list_element *killlist; | |
136 | ||
d318976c FN |
137 | /* Chain containing all defined set subcommands */ |
138 | ||
139 | struct cmd_list_element *setlist; | |
140 | ||
141 | /* Chain containing all defined unset subcommands */ | |
142 | ||
143 | struct cmd_list_element *unsetlist; | |
144 | ||
145 | /* Chain containing all defined show subcommands. */ | |
146 | ||
147 | struct cmd_list_element *showlist; | |
148 | ||
149 | /* Chain containing all defined \"set history\". */ | |
150 | ||
151 | struct cmd_list_element *sethistlist; | |
152 | ||
153 | /* Chain containing all defined \"show history\". */ | |
154 | ||
155 | struct cmd_list_element *showhistlist; | |
156 | ||
157 | /* Chain containing all defined \"unset history\". */ | |
158 | ||
159 | struct cmd_list_element *unsethistlist; | |
160 | ||
ebcd3b23 | 161 | /* Chain containing all defined maintenance subcommands. */ |
d318976c FN |
162 | |
163 | struct cmd_list_element *maintenancelist; | |
164 | ||
ebcd3b23 | 165 | /* Chain containing all defined "maintenance info" subcommands. */ |
d318976c FN |
166 | |
167 | struct cmd_list_element *maintenanceinfolist; | |
168 | ||
ebcd3b23 | 169 | /* Chain containing all defined "maintenance print" subcommands. */ |
d318976c FN |
170 | |
171 | struct cmd_list_element *maintenanceprintlist; | |
172 | ||
27d41eac YQ |
173 | /* Chain containing all defined "maintenance check" subcommands. */ |
174 | ||
175 | struct cmd_list_element *maintenancechecklist; | |
176 | ||
d318976c FN |
177 | struct cmd_list_element *setprintlist; |
178 | ||
179 | struct cmd_list_element *showprintlist; | |
180 | ||
181 | struct cmd_list_element *setdebuglist; | |
182 | ||
183 | struct cmd_list_element *showdebuglist; | |
184 | ||
185 | struct cmd_list_element *setchecklist; | |
186 | ||
187 | struct cmd_list_element *showchecklist; | |
16026cd7 AS |
188 | |
189 | /* Command tracing state. */ | |
190 | ||
191 | int source_verbose = 0; | |
192 | int trace_commands = 0; | |
d318976c | 193 | \f |
973817a3 JB |
194 | /* 'script-extension' option support. */ |
195 | ||
196 | static const char script_ext_off[] = "off"; | |
197 | static const char script_ext_soft[] = "soft"; | |
198 | static const char script_ext_strict[] = "strict"; | |
199 | ||
40478521 | 200 | static const char *const script_ext_enums[] = { |
973817a3 JB |
201 | script_ext_off, |
202 | script_ext_soft, | |
203 | script_ext_strict, | |
204 | NULL | |
205 | }; | |
206 | ||
207 | static const char *script_ext_mode = script_ext_soft; | |
208 | \f | |
d318976c | 209 | /* Utility used everywhere when at least one argument is needed and |
ebcd3b23 | 210 | none is supplied. */ |
d318976c FN |
211 | |
212 | void | |
5b10184c | 213 | error_no_arg (const char *why) |
d318976c | 214 | { |
8a3fe4f8 | 215 | error (_("Argument required (%s)."), why); |
d318976c FN |
216 | } |
217 | ||
218 | /* The "info" command is defined as a prefix, with allow_unknown = 0. | |
ebcd3b23 MS |
219 | Therefore, its own definition is called only for "info" with no |
220 | args. */ | |
d318976c | 221 | |
d318976c FN |
222 | static void |
223 | info_command (char *arg, int from_tty) | |
224 | { | |
9a2b4c1b MS |
225 | printf_unfiltered (_("\"info\" must be followed by " |
226 | "the name of an info command.\n")); | |
635c7e8a | 227 | help_list (infolist, "info ", all_commands, gdb_stdout); |
d318976c FN |
228 | } |
229 | ||
230 | /* The "show" command with no arguments shows all the settings. */ | |
231 | ||
d318976c FN |
232 | static void |
233 | show_command (char *arg, int from_tty) | |
234 | { | |
235 | cmd_show_list (showlist, from_tty, ""); | |
236 | } | |
237 | \f | |
238 | /* Provide documentation on command or list given by COMMAND. FROM_TTY | |
239 | is ignored. */ | |
240 | ||
d318976c FN |
241 | static void |
242 | help_command (char *command, int from_tty) | |
243 | { | |
244 | help_cmd (command, gdb_stdout); | |
245 | } | |
246 | \f | |
eb3ff9a5 | 247 | |
ef0b411a GB |
248 | /* Note: The "complete" command is used by Emacs to implement completion. |
249 | [Is that why this function writes output with *_unfiltered?] */ | |
d318976c | 250 | |
d318976c | 251 | static void |
a121b7c1 | 252 | complete_command (char *arg_entry, int from_tty) |
d318976c | 253 | { |
a121b7c1 | 254 | const char *arg = arg_entry; |
d318976c FN |
255 | |
256 | dont_repeat (); | |
257 | ||
ef0b411a GB |
258 | if (max_completions == 0) |
259 | { | |
260 | /* Only print this for non-mi frontends. An MI frontend may not | |
261 | be able to handle this. */ | |
112e8700 | 262 | if (!current_uiout->is_mi_like_p ()) |
ef0b411a GB |
263 | { |
264 | printf_unfiltered (_("max-completions is zero," | |
265 | " completion is disabled.\n")); | |
266 | } | |
267 | return; | |
268 | } | |
269 | ||
d318976c FN |
270 | if (arg == NULL) |
271 | arg = ""; | |
d9b52655 | 272 | |
6a2c1b87 | 273 | completion_tracker tracker_handle_brkchars; |
eb3ff9a5 | 274 | completion_tracker tracker_handle_completions; |
c6756f62 | 275 | completion_tracker *tracker; |
83d31a92 | 276 | |
6a2c1b87 PA |
277 | int quote_char = '\0'; |
278 | const char *word; | |
279 | ||
eb3ff9a5 | 280 | TRY |
d318976c | 281 | { |
6a2c1b87 PA |
282 | word = completion_find_completion_word (tracker_handle_brkchars, |
283 | arg, "e_char); | |
284 | ||
c6756f62 PA |
285 | /* Completers that provide a custom word point in the |
286 | handle_brkchars phase also compute their completions then. | |
287 | Completers that leave the completion word handling to readline | |
288 | must be called twice. */ | |
289 | if (tracker_handle_brkchars.use_custom_word_point ()) | |
290 | tracker = &tracker_handle_brkchars; | |
291 | else | |
292 | { | |
293 | complete_line (tracker_handle_completions, word, arg, strlen (arg)); | |
294 | tracker = &tracker_handle_completions; | |
295 | } | |
eb3ff9a5 PA |
296 | } |
297 | CATCH (ex, RETURN_MASK_ALL) | |
298 | { | |
299 | return; | |
300 | } | |
301 | ||
6a2c1b87 | 302 | std::string arg_prefix (arg, word - arg); |
83d31a92 | 303 | |
eb3ff9a5 | 304 | completion_result result |
c6756f62 | 305 | = tracker->build_completion_result (word, word - arg, strlen (arg)); |
83d31a92 | 306 | |
eb3ff9a5 PA |
307 | if (result.number_matches != 0) |
308 | { | |
309 | if (result.number_matches == 1) | |
310 | printf_unfiltered ("%s%s\n", arg_prefix.c_str (), result.match_list[0]); | |
311 | else | |
83d31a92 | 312 | { |
eb3ff9a5 PA |
313 | result.sort_match_list (); |
314 | ||
315 | for (size_t i = 0; i < result.number_matches; i++) | |
83d31a92 | 316 | { |
eb3ff9a5 PA |
317 | printf_unfiltered ("%s%s", |
318 | arg_prefix.c_str (), | |
319 | result.match_list[i + 1]); | |
6a2c1b87 PA |
320 | if (quote_char) |
321 | printf_unfiltered ("%c", quote_char); | |
eb3ff9a5 | 322 | printf_unfiltered ("\n"); |
83d31a92 | 323 | } |
83d31a92 TT |
324 | } |
325 | ||
eb3ff9a5 | 326 | if (result.number_matches == max_completions) |
ef0b411a | 327 | { |
6a2c1b87 | 328 | /* ARG_PREFIX and WORD are included in the output so that emacs |
ef0b411a GB |
329 | will include the message in the output. */ |
330 | printf_unfiltered (_("%s%s %s\n"), | |
6a2c1b87 | 331 | arg_prefix.c_str (), word, |
ef0b411a GB |
332 | get_max_completions_reached_message ()); |
333 | } | |
d318976c FN |
334 | } |
335 | } | |
336 | ||
bbaca940 AC |
337 | int |
338 | is_complete_command (struct cmd_list_element *c) | |
d318976c | 339 | { |
bbaca940 | 340 | return cmd_cfunc_eq (c, complete_command); |
d318976c FN |
341 | } |
342 | ||
d318976c FN |
343 | static void |
344 | show_version (char *args, int from_tty) | |
345 | { | |
d318976c FN |
346 | print_gdb_version (gdb_stdout); |
347 | printf_filtered ("\n"); | |
d318976c FN |
348 | } |
349 | ||
6eaaf48b EZ |
350 | static void |
351 | show_configuration (char *args, int from_tty) | |
352 | { | |
353 | print_gdb_configuration (gdb_stdout); | |
354 | } | |
355 | ||
d318976c FN |
356 | /* Handle the quit command. */ |
357 | ||
358 | void | |
359 | quit_command (char *args, int from_tty) | |
360 | { | |
36cf1806 TT |
361 | int exit_code = 0; |
362 | ||
363 | /* An optional expression may be used to cause gdb to terminate with | |
364 | the value of that expression. */ | |
365 | if (args) | |
366 | { | |
367 | struct value *val = parse_and_eval (args); | |
368 | ||
369 | exit_code = (int) value_as_long (val); | |
370 | } | |
371 | ||
d318976c | 372 | if (!quit_confirm ()) |
8a3fe4f8 | 373 | error (_("Not confirmed.")); |
d5551862 | 374 | |
2f9d54cf | 375 | query_if_trace_running (from_tty); |
d5551862 | 376 | |
36cf1806 | 377 | quit_force (args ? &exit_code : NULL, from_tty); |
d318976c FN |
378 | } |
379 | ||
d318976c FN |
380 | static void |
381 | pwd_command (char *args, int from_tty) | |
382 | { | |
383 | if (args) | |
8a3fe4f8 | 384 | error (_("The \"pwd\" command does not take an argument: %s"), args); |
bf1d7d9c JB |
385 | if (! getcwd (gdb_dirbuf, sizeof (gdb_dirbuf))) |
386 | error (_("Error finding name of working directory: %s"), | |
387 | safe_strerror (errno)); | |
d318976c | 388 | |
6314a349 | 389 | if (strcmp (gdb_dirbuf, current_directory) != 0) |
a3f17187 | 390 | printf_unfiltered (_("Working directory %s\n (canonically %s).\n"), |
d318976c FN |
391 | current_directory, gdb_dirbuf); |
392 | else | |
a3f17187 | 393 | printf_unfiltered (_("Working directory %s.\n"), current_directory); |
d318976c FN |
394 | } |
395 | ||
396 | void | |
397 | cd_command (char *dir, int from_tty) | |
398 | { | |
399 | int len; | |
400 | /* Found something other than leading repetitions of "/..". */ | |
401 | int found_real_path; | |
402 | char *p; | |
403 | ||
404 | /* If the new directory is absolute, repeat is a no-op; if relative, | |
405 | repeat might be useful but is more likely to be a mistake. */ | |
406 | dont_repeat (); | |
407 | ||
6eecf35f TT |
408 | gdb::unique_xmalloc_ptr<char> dir_holder |
409 | (tilde_expand (dir != NULL ? dir : "~")); | |
410 | dir = dir_holder.get (); | |
d318976c FN |
411 | |
412 | if (chdir (dir) < 0) | |
413 | perror_with_name (dir); | |
414 | ||
c3690141 | 415 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
d318976c FN |
416 | /* There's too much mess with DOSish names like "d:", "d:.", |
417 | "d:./foo" etc. Instead of having lots of special #ifdef'ed code, | |
418 | simply get the canonicalized name of the current directory. */ | |
419 | dir = getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); | |
420 | #endif | |
421 | ||
422 | len = strlen (dir); | |
fe4e3eb8 | 423 | if (IS_DIR_SEPARATOR (dir[len - 1])) |
d318976c FN |
424 | { |
425 | /* Remove the trailing slash unless this is a root directory | |
426 | (including a drive letter on non-Unix systems). */ | |
427 | if (!(len == 1) /* "/" */ | |
c3690141 | 428 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
fe4e3eb8 | 429 | && !(len == 3 && dir[1] == ':') /* "d:/" */ |
d318976c FN |
430 | #endif |
431 | ) | |
432 | len--; | |
433 | } | |
434 | ||
6eecf35f TT |
435 | dir_holder.reset (savestring (dir, len)); |
436 | if (IS_ABSOLUTE_PATH (dir_holder.get ())) | |
437 | current_directory = dir_holder.release (); | |
d318976c FN |
438 | else |
439 | { | |
fe4e3eb8 | 440 | if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1])) |
6eecf35f TT |
441 | current_directory = concat (current_directory, dir_holder.get (), |
442 | (char *) NULL); | |
d318976c | 443 | else |
1754f103 | 444 | current_directory = concat (current_directory, SLASH_STRING, |
6eecf35f | 445 | dir_holder.get (), (char *) NULL); |
d318976c FN |
446 | } |
447 | ||
448 | /* Now simplify any occurrences of `.' and `..' in the pathname. */ | |
449 | ||
450 | found_real_path = 0; | |
451 | for (p = current_directory; *p;) | |
452 | { | |
fe4e3eb8 EZ |
453 | if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' |
454 | && (p[2] == 0 || IS_DIR_SEPARATOR (p[2]))) | |
b2a3b509 | 455 | memmove (p, p + 2, strlen (p + 2) + 1); |
fe4e3eb8 EZ |
456 | else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.' |
457 | && (p[3] == 0 || IS_DIR_SEPARATOR (p[3]))) | |
d318976c FN |
458 | { |
459 | if (found_real_path) | |
460 | { | |
461 | /* Search backwards for the directory just before the "/.." | |
462 | and obliterate it and the "/..". */ | |
463 | char *q = p; | |
cdb27c12 | 464 | |
fe4e3eb8 | 465 | while (q != current_directory && !IS_DIR_SEPARATOR (q[-1])) |
d318976c FN |
466 | --q; |
467 | ||
468 | if (q == current_directory) | |
469 | /* current_directory is | |
470 | a relative pathname ("can't happen"--leave it alone). */ | |
471 | ++p; | |
472 | else | |
473 | { | |
b2a3b509 | 474 | memmove (q - 1, p + 3, strlen (p + 3) + 1); |
d318976c FN |
475 | p = q - 1; |
476 | } | |
477 | } | |
478 | else | |
ebcd3b23 MS |
479 | /* We are dealing with leading repetitions of "/..", for |
480 | example "/../..", which is the Mach super-root. */ | |
d318976c FN |
481 | p += 3; |
482 | } | |
483 | else | |
484 | { | |
485 | found_real_path = 1; | |
486 | ++p; | |
487 | } | |
488 | } | |
489 | ||
490 | forget_cached_source_info (); | |
491 | ||
492 | if (from_tty) | |
493 | pwd_command ((char *) 0, 1); | |
494 | } | |
495 | \f | |
973817a3 JB |
496 | /* Show the current value of the 'script-extension' option. */ |
497 | ||
498 | static void | |
499 | show_script_ext_mode (struct ui_file *file, int from_tty, | |
500 | struct cmd_list_element *c, const char *value) | |
d318976c | 501 | { |
9a2b4c1b MS |
502 | fprintf_filtered (file, |
503 | _("Script filename extension recognition is \"%s\".\n"), | |
973817a3 JB |
504 | value); |
505 | } | |
506 | ||
3f7b2faa DE |
507 | /* Try to open SCRIPT_FILE. |
508 | If successful, the full path name is stored in *FULL_PATHP, | |
ed166945 TT |
509 | and the stream is returned. |
510 | If not successful, return NULL; errno is set for the last file | |
3f7b2faa DE |
511 | we tried to open. |
512 | ||
513 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
f5b95b50 | 514 | search for it in the source search path. */ |
3f7b2faa | 515 | |
ed166945 TT |
516 | gdb::optional<open_script> |
517 | find_and_open_script (const char *script_file, int search_path) | |
973817a3 | 518 | { |
4b505b12 | 519 | int fd; |
492c0ab7 | 520 | int search_flags = OPF_TRY_CWD_FIRST | OPF_RETURN_REALPATH; |
ed166945 | 521 | gdb::optional<open_script> opened; |
d318976c | 522 | |
ee0c3293 | 523 | gdb::unique_xmalloc_ptr<char> file (tilde_expand (script_file)); |
d318976c | 524 | |
3f7b2faa DE |
525 | if (search_path) |
526 | search_flags |= OPF_SEARCH_IN_PATH; | |
4b505b12 | 527 | |
3f7b2faa DE |
528 | /* Search for and open 'file' on the search path used for source |
529 | files. Put the full location in *FULL_PATHP. */ | |
ed166945 | 530 | char *temp_path; |
3f7b2faa | 531 | fd = openp (source_path, search_flags, |
ee0c3293 | 532 | file.get (), O_RDONLY, &temp_path); |
ed166945 | 533 | gdb::unique_xmalloc_ptr<char> full_path (temp_path); |
4b505b12 AS |
534 | |
535 | if (fd == -1) | |
ee0c3293 | 536 | return opened; |
973817a3 | 537 | |
ed166945 TT |
538 | FILE *result = fdopen (fd, FOPEN_RT); |
539 | if (result == NULL) | |
77a35dd8 JK |
540 | { |
541 | int save_errno = errno; | |
542 | ||
543 | close (fd); | |
77a35dd8 | 544 | errno = save_errno; |
77a35dd8 | 545 | } |
ed166945 TT |
546 | else |
547 | opened.emplace (gdb_file_up (result), std::move (full_path)); | |
77a35dd8 | 548 | |
ed166945 | 549 | return opened; |
973817a3 JB |
550 | } |
551 | ||
1a70ae97 DE |
552 | /* Load script FILE, which has already been opened as STREAM. |
553 | FILE_TO_OPEN is the form of FILE to use if one needs to open the file. | |
554 | This is provided as FILE may have been found via the source search path. | |
555 | An important thing to note here is that FILE may be a symlink to a file | |
556 | with a different or non-existing suffix, and thus one cannot infer the | |
557 | extension language from FILE_TO_OPEN. */ | |
973817a3 | 558 | |
3f7b2faa | 559 | static void |
1a70ae97 DE |
560 | source_script_from_stream (FILE *stream, const char *file, |
561 | const char *file_to_open) | |
3f7b2faa | 562 | { |
6dddc817 | 563 | if (script_ext_mode != script_ext_off) |
973817a3 | 564 | { |
6dddc817 DE |
565 | const struct extension_language_defn *extlang |
566 | = get_ext_lang_of_file (file); | |
567 | ||
568 | if (extlang != NULL) | |
973817a3 | 569 | { |
6dddc817 DE |
570 | if (ext_lang_present_p (extlang)) |
571 | { | |
572 | script_sourcer_func *sourcer | |
573 | = ext_lang_script_sourcer (extlang); | |
574 | ||
575 | gdb_assert (sourcer != NULL); | |
1a70ae97 | 576 | sourcer (extlang, stream, file_to_open); |
6dddc817 DE |
577 | return; |
578 | } | |
579 | else if (script_ext_mode == script_ext_soft) | |
580 | { | |
581 | /* Assume the file is a gdb script. | |
582 | This is handled below. */ | |
583 | } | |
584 | else | |
585 | throw_ext_lang_unsupported (extlang); | |
973817a3 JB |
586 | } |
587 | } | |
6dddc817 DE |
588 | |
589 | script_from_file (stream, file); | |
3f7b2faa | 590 | } |
d318976c | 591 | |
3f7b2faa DE |
592 | /* Worker to perform the "source" command. |
593 | Load script FILE. | |
594 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
595 | search for it in the source search path. */ | |
596 | ||
597 | static void | |
598 | source_script_with_search (const char *file, int from_tty, int search_path) | |
599 | { | |
3f7b2faa DE |
600 | |
601 | if (file == NULL || *file == 0) | |
602 | error (_("source command requires file name of file to source.")); | |
603 | ||
ed166945 TT |
604 | gdb::optional<open_script> opened = find_and_open_script (file, search_path); |
605 | if (!opened) | |
3f7b2faa | 606 | { |
d234ef5c | 607 | /* The script wasn't found, or was otherwise inaccessible. |
ebcd3b23 MS |
608 | If the source command was invoked interactively, throw an |
609 | error. Otherwise (e.g. if it was invoked by a script), | |
7c647d61 | 610 | just emit a warning, rather than cause an error. */ |
3f7b2faa DE |
611 | if (from_tty) |
612 | perror_with_name (file); | |
613 | else | |
7c647d61 JB |
614 | { |
615 | perror_warning_with_name (file); | |
616 | return; | |
617 | } | |
3f7b2faa DE |
618 | } |
619 | ||
d234ef5c DE |
620 | /* The python support reopens the file, so we need to pass full_path here |
621 | in case the file was found on the search path. It's useful to do this | |
622 | anyway so that error messages show the actual file used. But only do | |
623 | this if we (may have) used search_path, as printing the full path in | |
624 | errors for the non-search case can be more noise than signal. */ | |
ed166945 TT |
625 | source_script_from_stream (opened->stream.get (), file, |
626 | search_path ? opened->full_path.get () : file); | |
d318976c FN |
627 | } |
628 | ||
3f7b2faa DE |
629 | /* Wrapper around source_script_with_search to export it to main.c |
630 | for use in loading .gdbinit scripts. */ | |
631 | ||
632 | void | |
50dd9793 | 633 | source_script (const char *file, int from_tty) |
3f7b2faa DE |
634 | { |
635 | source_script_with_search (file, from_tty, 0); | |
636 | } | |
637 | ||
16026cd7 AS |
638 | static void |
639 | source_command (char *args, int from_tty) | |
640 | { | |
16026cd7 | 641 | char *file = args; |
3f7b2faa | 642 | int search_path = 0; |
16026cd7 | 643 | |
2ec845e7 | 644 | scoped_restore save_source_verbose = make_scoped_restore (&source_verbose); |
16026cd7 AS |
645 | |
646 | /* -v causes the source command to run in verbose mode. | |
3f7b2faa DE |
647 | -s causes the file to be searched in the source search path, |
648 | even if the file name contains a '/'. | |
16026cd7 AS |
649 | We still have to be able to handle filenames with spaces in a |
650 | backward compatible way, so buildargv is not appropriate. */ | |
651 | ||
652 | if (args) | |
653 | { | |
3f7b2faa | 654 | while (args[0] != '\0') |
16026cd7 | 655 | { |
ebcd3b23 MS |
656 | /* Make sure leading white space does not break the |
657 | comparisons. */ | |
529480d0 | 658 | args = skip_spaces (args); |
3f7b2faa DE |
659 | |
660 | if (args[0] != '-') | |
661 | break; | |
662 | ||
663 | if (args[1] == 'v' && isspace (args[2])) | |
664 | { | |
665 | source_verbose = 1; | |
666 | ||
667 | /* Skip passed -v. */ | |
668 | args = &args[3]; | |
669 | } | |
670 | else if (args[1] == 's' && isspace (args[2])) | |
671 | { | |
672 | search_path = 1; | |
16026cd7 | 673 | |
3f7b2faa DE |
674 | /* Skip passed -s. */ |
675 | args = &args[3]; | |
676 | } | |
677 | else | |
678 | break; | |
16026cd7 | 679 | } |
3f7b2faa | 680 | |
529480d0 | 681 | file = skip_spaces (args); |
16026cd7 AS |
682 | } |
683 | ||
3f7b2faa | 684 | source_script_with_search (file, from_tty, search_path); |
16026cd7 AS |
685 | } |
686 | ||
687 | ||
d318976c FN |
688 | static void |
689 | echo_command (char *text, int from_tty) | |
690 | { | |
d7561cbb | 691 | const char *p = text; |
d5b5ac79 | 692 | int c; |
d318976c FN |
693 | |
694 | if (text) | |
695 | while ((c = *p++) != '\0') | |
696 | { | |
697 | if (c == '\\') | |
698 | { | |
699 | /* \ at end of argument is used after spaces | |
700 | so they won't be lost. */ | |
701 | if (*p == 0) | |
702 | return; | |
703 | ||
f870a310 | 704 | c = parse_escape (get_current_arch (), &p); |
d318976c FN |
705 | if (c >= 0) |
706 | printf_filtered ("%c", c); | |
707 | } | |
708 | else | |
709 | printf_filtered ("%c", c); | |
710 | } | |
711 | ||
712 | /* Force this output to appear now. */ | |
713 | wrap_here (""); | |
714 | gdb_flush (gdb_stdout); | |
715 | } | |
716 | ||
d318976c | 717 | static void |
be47f9e8 | 718 | shell_escape (const char *arg, int from_tty) |
d318976c | 719 | { |
9b265ec2 MM |
720 | #if defined(CANT_FORK) || \ |
721 | (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK)) | |
d318976c FN |
722 | /* If ARG is NULL, they want an inferior shell, but `system' just |
723 | reports if the shell is available when passed a NULL arg. */ | |
724 | int rc = system (arg ? arg : ""); | |
725 | ||
726 | if (!arg) | |
727 | arg = "inferior shell"; | |
728 | ||
729 | if (rc == -1) | |
730 | { | |
731 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg, | |
732 | safe_strerror (errno)); | |
733 | gdb_flush (gdb_stderr); | |
734 | } | |
735 | else if (rc) | |
736 | { | |
737 | fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc); | |
738 | gdb_flush (gdb_stderr); | |
739 | } | |
2584159e | 740 | #ifdef GLOBAL_CURDIR |
ebcd3b23 MS |
741 | /* Make sure to return to the directory GDB thinks it is, in case |
742 | the shell command we just ran changed it. */ | |
d318976c FN |
743 | chdir (current_directory); |
744 | #endif | |
745 | #else /* Can fork. */ | |
5be4dfca | 746 | int status, pid; |
d318976c | 747 | |
325ed089 | 748 | if ((pid = vfork ()) == 0) |
d318976c | 749 | { |
9f37bbcc | 750 | const char *p, *user_shell; |
30e94205 | 751 | |
614c279d TT |
752 | close_most_fds (); |
753 | ||
30e94205 DJ |
754 | if ((user_shell = (char *) getenv ("SHELL")) == NULL) |
755 | user_shell = "/bin/sh"; | |
756 | ||
ebcd3b23 | 757 | /* Get the name of the shell for arg0. */ |
9f37bbcc | 758 | p = lbasename (user_shell); |
30e94205 | 759 | |
d318976c | 760 | if (!arg) |
36662fde | 761 | execl (user_shell, p, (char *) 0); |
d318976c | 762 | else |
36662fde | 763 | execl (user_shell, p, "-c", arg, (char *) 0); |
d318976c FN |
764 | |
765 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell, | |
766 | safe_strerror (errno)); | |
767 | gdb_flush (gdb_stderr); | |
768 | _exit (0177); | |
769 | } | |
770 | ||
771 | if (pid != -1) | |
5be4dfca | 772 | waitpid (pid, &status, 0); |
d318976c | 773 | else |
8a3fe4f8 | 774 | error (_("Fork failed")); |
d318976c FN |
775 | #endif /* Can fork. */ |
776 | } | |
777 | ||
be47f9e8 PA |
778 | /* Implementation of the "shell" command. */ |
779 | ||
780 | static void | |
781 | shell_command (char *arg, int from_tty) | |
782 | { | |
783 | shell_escape (arg, from_tty); | |
784 | } | |
785 | ||
0378c332 FN |
786 | static void |
787 | edit_command (char *arg, int from_tty) | |
788 | { | |
789 | struct symtabs_and_lines sals; | |
790 | struct symtab_and_line sal; | |
791 | struct symbol *sym; | |
a121b7c1 | 792 | const char *editor; |
0b0865da TT |
793 | char *p; |
794 | const char *fn; | |
0378c332 | 795 | |
d5529a84 | 796 | /* Pull in the current default source line if necessary. */ |
0378c332 | 797 | if (arg == 0) |
53cb0458 FN |
798 | { |
799 | set_default_source_symtab_and_line (); | |
800 | sal = get_current_source_symtab_and_line (); | |
801 | } | |
0378c332 | 802 | |
ebcd3b23 | 803 | /* Bare "edit" edits file with present line. */ |
0378c332 FN |
804 | |
805 | if (arg == 0) | |
806 | { | |
807 | if (sal.symtab == 0) | |
8a3fe4f8 | 808 | error (_("No default source file yet.")); |
0378c332 FN |
809 | sal.line += get_lines_to_list () / 2; |
810 | } | |
811 | else | |
812 | { | |
f00aae0f | 813 | char *arg1; |
0378c332 | 814 | |
f00aae0f | 815 | /* Now should only be one argument -- decode it in SAL. */ |
0378c332 | 816 | arg1 = arg; |
ffc2605c TT |
817 | event_location_up location = string_to_event_location (&arg1, |
818 | current_language); | |
819 | sals = decode_line_1 (location.get (), DECODE_LINE_LIST_MODE, | |
820 | NULL, NULL, 0); | |
0378c332 | 821 | |
f8eba3c6 | 822 | filter_sals (&sals); |
d5529a84 TT |
823 | if (! sals.nelts) |
824 | { | |
825 | /* C++ */ | |
826 | return; | |
827 | } | |
828 | if (sals.nelts > 1) | |
829 | { | |
e439fa14 PA |
830 | ambiguous_line_spec (&sals, |
831 | _("Specified line is ambiguous:\n")); | |
d5529a84 TT |
832 | xfree (sals.sals); |
833 | return; | |
834 | } | |
0378c332 FN |
835 | |
836 | sal = sals.sals[0]; | |
837 | xfree (sals.sals); | |
838 | ||
839 | if (*arg1) | |
8a3fe4f8 | 840 | error (_("Junk at end of line specification.")); |
0378c332 | 841 | |
ebcd3b23 MS |
842 | /* If line was specified by address, first print exactly which |
843 | line, and which file. In this case, sal.symtab == 0 means | |
844 | address is outside of all known source files, not that user | |
845 | failed to give a filename. */ | |
0378c332 FN |
846 | if (*arg == '*') |
847 | { | |
5af949e3 | 848 | struct gdbarch *gdbarch; |
cdb27c12 | 849 | |
0378c332 | 850 | if (sal.symtab == 0) |
8a3fe4f8 | 851 | error (_("No source file for address %s."), |
2b69941d | 852 | paddress (get_current_arch (), sal.pc)); |
5af949e3 | 853 | |
eb822aa6 | 854 | gdbarch = get_objfile_arch (SYMTAB_OBJFILE (sal.symtab)); |
0378c332 FN |
855 | sym = find_pc_function (sal.pc); |
856 | if (sym) | |
5af949e3 UW |
857 | printf_filtered ("%s is in %s (%s:%d).\n", |
858 | paddress (gdbarch, sal.pc), | |
859 | SYMBOL_PRINT_NAME (sym), | |
05cba821 JK |
860 | symtab_to_filename_for_display (sal.symtab), |
861 | sal.line); | |
0378c332 | 862 | else |
5af949e3 UW |
863 | printf_filtered ("%s is at %s:%d.\n", |
864 | paddress (gdbarch, sal.pc), | |
05cba821 JK |
865 | symtab_to_filename_for_display (sal.symtab), |
866 | sal.line); | |
0378c332 FN |
867 | } |
868 | ||
ebcd3b23 MS |
869 | /* If what was given does not imply a symtab, it must be an |
870 | undebuggable symbol which means no source code. */ | |
0378c332 FN |
871 | |
872 | if (sal.symtab == 0) | |
8a3fe4f8 | 873 | error (_("No line number known for %s."), arg); |
0378c332 FN |
874 | } |
875 | ||
876 | if ((editor = (char *) getenv ("EDITOR")) == NULL) | |
877 | editor = "/bin/ex"; | |
a955ca71 | 878 | |
f35a17b5 | 879 | fn = symtab_to_fullname (sal.symtab); |
0378c332 | 880 | |
a955ca71 EZ |
881 | /* Quote the file name, in case it has whitespace or other special |
882 | characters. */ | |
883 | p = xstrprintf ("%s +%d \"%s\"", editor, sal.line, fn); | |
d5529a84 TT |
884 | shell_escape (p, from_tty); |
885 | xfree (p); | |
0378c332 FN |
886 | } |
887 | ||
888 | static void | |
889 | list_command (char *arg, int from_tty) | |
890 | { | |
891 | struct symtabs_and_lines sals, sals_end; | |
245c7f48 DJ |
892 | struct symtab_and_line sal = { 0 }; |
893 | struct symtab_and_line sal_end = { 0 }; | |
894 | struct symtab_and_line cursal = { 0 }; | |
0378c332 FN |
895 | struct symbol *sym; |
896 | char *arg1; | |
897 | int no_end = 1; | |
898 | int dummy_end = 0; | |
899 | int dummy_beg = 0; | |
900 | int linenum_beg = 0; | |
901 | char *p; | |
902 | ||
ebcd3b23 | 903 | /* Pull in the current default source line if necessary. */ |
a0def019 | 904 | if (arg == NULL || ((arg[0] == '+' || arg[0] == '-') && arg[1] == '\0')) |
53cb0458 FN |
905 | { |
906 | set_default_source_symtab_and_line (); | |
907 | cursal = get_current_source_symtab_and_line (); | |
5166082f PA |
908 | |
909 | /* If this is the first "list" since we've set the current | |
910 | source line, center the listing around that line. */ | |
911 | if (get_first_line_listed () == 0) | |
912 | { | |
913 | int first; | |
914 | ||
325fac50 | 915 | first = std::max (cursal.line - get_lines_to_list () / 2, 1); |
5166082f PA |
916 | |
917 | /* A small special case --- if listing backwards, and we | |
918 | should list only one line, list the preceding line, | |
919 | instead of the exact line we've just shown after e.g., | |
920 | stopping for a breakpoint. */ | |
921 | if (arg != NULL && arg[0] == '-' | |
922 | && get_lines_to_list () == 1 && first > 1) | |
923 | first -= 1; | |
924 | ||
925 | print_source_lines (cursal.symtab, first, | |
926 | first + get_lines_to_list (), 0); | |
5166082f | 927 | } |
0378c332 | 928 | |
1a48ce76 | 929 | /* "l" or "l +" lists next ten lines. */ |
a0def019 | 930 | else if (arg == NULL || arg[0] == '+') |
1a48ce76 AB |
931 | print_source_lines (cursal.symtab, cursal.line, |
932 | cursal.line + get_lines_to_list (), 0); | |
0378c332 | 933 | |
1a48ce76 AB |
934 | /* "l -" lists previous ten lines, the ones before the ten just |
935 | listed. */ | |
a0def019 | 936 | else if (arg[0] == '-') |
3b2464a8 AB |
937 | { |
938 | if (get_first_line_listed () == 1) | |
939 | error (_("Already at the start of %s."), | |
940 | symtab_to_filename_for_display (cursal.symtab)); | |
941 | print_source_lines (cursal.symtab, | |
325fac50 PA |
942 | std::max (get_first_line_listed () |
943 | - get_lines_to_list (), 1), | |
3b2464a8 AB |
944 | get_first_line_listed (), 0); |
945 | } | |
0378c332 | 946 | |
0378c332 FN |
947 | return; |
948 | } | |
949 | ||
950 | /* Now if there is only one argument, decode it in SAL | |
951 | and set NO_END. | |
952 | If there are two arguments, decode them in SAL and SAL_END | |
953 | and clear NO_END; however, if one of the arguments is blank, | |
954 | set DUMMY_BEG or DUMMY_END to record that fact. */ | |
955 | ||
956 | if (!have_full_symbols () && !have_partial_symbols ()) | |
8a3fe4f8 | 957 | error (_("No symbol table is loaded. Use the \"file\" command.")); |
0378c332 | 958 | |
0d999a6e ZZ |
959 | sals.nelts = 0; |
960 | sals.sals = NULL; | |
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); | |
0378c332 | 970 | |
f8eba3c6 | 971 | filter_sals (&sals); |
0378c332 | 972 | if (!sals.nelts) |
f00aae0f KS |
973 | { |
974 | /* C++ */ | |
f00aae0f KS |
975 | return; |
976 | } | |
0378c332 FN |
977 | |
978 | sal = sals.sals[0]; | |
0378c332 FN |
979 | } |
980 | ||
981 | /* Record whether the BEG arg is all digits. */ | |
982 | ||
983 | for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++); | |
984 | linenum_beg = (p == arg1); | |
985 | ||
e439fa14 PA |
986 | /* Save the range of the first argument, in case we need to let the |
987 | user know it was ambiguous. */ | |
988 | const char *beg = arg; | |
989 | size_t beg_len = arg1 - beg; | |
990 | ||
0378c332 FN |
991 | while (*arg1 == ' ' || *arg1 == '\t') |
992 | arg1++; | |
993 | if (*arg1 == ',') | |
994 | { | |
995 | no_end = 0; | |
0d999a6e ZZ |
996 | if (sals.nelts > 1) |
997 | { | |
e439fa14 PA |
998 | ambiguous_line_spec (&sals, |
999 | _("Specified first line '%.*s' is ambiguous:\n"), | |
1000 | (int) beg_len, beg); | |
0d999a6e ZZ |
1001 | xfree (sals.sals); |
1002 | return; | |
1003 | } | |
0378c332 FN |
1004 | arg1++; |
1005 | while (*arg1 == ' ' || *arg1 == '\t') | |
1006 | arg1++; | |
1007 | if (*arg1 == 0) | |
1008 | dummy_end = 1; | |
1009 | else | |
1010 | { | |
e439fa14 PA |
1011 | /* Save the last argument, in case we need to let the user |
1012 | know it was ambiguous. */ | |
1013 | const char *end_arg = arg1; | |
1014 | ||
ffc2605c TT |
1015 | event_location_up location |
1016 | = string_to_event_location (&arg1, current_language); | |
0378c332 | 1017 | if (dummy_beg) |
ffc2605c | 1018 | sals_end = decode_line_1 (location.get (), |
c2f4122d | 1019 | DECODE_LINE_LIST_MODE, NULL, NULL, 0); |
0378c332 | 1020 | else |
ffc2605c | 1021 | sals_end = decode_line_1 (location.get (), DECODE_LINE_LIST_MODE, |
c2f4122d | 1022 | NULL, sal.symtab, sal.line); |
f00aae0f | 1023 | |
4979d7f0 | 1024 | filter_sals (&sals_end); |
0378c332 | 1025 | if (sals_end.nelts == 0) |
0d999a6e ZZ |
1026 | { |
1027 | xfree (sals.sals); | |
1028 | return; | |
1029 | } | |
0378c332 FN |
1030 | if (sals_end.nelts > 1) |
1031 | { | |
e439fa14 PA |
1032 | ambiguous_line_spec (&sals_end, |
1033 | _("Specified last line '%s' is ambiguous:\n"), | |
1034 | end_arg); | |
0378c332 | 1035 | xfree (sals_end.sals); |
0d999a6e | 1036 | xfree (sals.sals); |
0378c332 FN |
1037 | return; |
1038 | } | |
1039 | sal_end = sals_end.sals[0]; | |
1040 | xfree (sals_end.sals); | |
1041 | } | |
1042 | } | |
1043 | ||
1044 | if (*arg1) | |
8a3fe4f8 | 1045 | error (_("Junk at end of line specification.")); |
0378c332 FN |
1046 | |
1047 | if (!no_end && !dummy_beg && !dummy_end | |
1048 | && sal.symtab != sal_end.symtab) | |
e439fa14 | 1049 | error (_("Specified first and last lines are in different files.")); |
0378c332 | 1050 | if (dummy_beg && dummy_end) |
8a3fe4f8 | 1051 | error (_("Two empty args do not say what lines to list.")); |
0378c332 | 1052 | |
ebcd3b23 | 1053 | /* If line was specified by address, |
0378c332 | 1054 | first print exactly which line, and which file. |
ebcd3b23 MS |
1055 | |
1056 | In this case, sal.symtab == 0 means address is outside of all | |
1057 | known source files, not that user failed to give a filename. */ | |
0378c332 FN |
1058 | if (*arg == '*') |
1059 | { | |
5af949e3 | 1060 | struct gdbarch *gdbarch; |
cdb27c12 | 1061 | |
0378c332 | 1062 | if (sal.symtab == 0) |
8a3fe4f8 | 1063 | error (_("No source file for address %s."), |
2b69941d | 1064 | paddress (get_current_arch (), sal.pc)); |
5af949e3 | 1065 | |
eb822aa6 | 1066 | gdbarch = get_objfile_arch (SYMTAB_OBJFILE (sal.symtab)); |
0378c332 FN |
1067 | sym = find_pc_function (sal.pc); |
1068 | if (sym) | |
50ee7535 | 1069 | printf_filtered ("%s is in %s (%s:%d).\n", |
5af949e3 UW |
1070 | paddress (gdbarch, sal.pc), |
1071 | SYMBOL_PRINT_NAME (sym), | |
05cba821 | 1072 | symtab_to_filename_for_display (sal.symtab), sal.line); |
0378c332 | 1073 | else |
5af949e3 UW |
1074 | printf_filtered ("%s is at %s:%d.\n", |
1075 | paddress (gdbarch, sal.pc), | |
05cba821 | 1076 | symtab_to_filename_for_display (sal.symtab), sal.line); |
0378c332 FN |
1077 | } |
1078 | ||
ebcd3b23 MS |
1079 | /* If line was not specified by just a line number, and it does not |
1080 | imply a symtab, it must be an undebuggable symbol which means no | |
1081 | source code. */ | |
0378c332 FN |
1082 | |
1083 | if (!linenum_beg && sal.symtab == 0) | |
8a3fe4f8 | 1084 | error (_("No line number known for %s."), arg); |
0378c332 FN |
1085 | |
1086 | /* If this command is repeated with RET, | |
1087 | turn it into the no-arg variant. */ | |
1088 | ||
1089 | if (from_tty) | |
1090 | *arg = 0; | |
1091 | ||
1092 | if (dummy_beg && sal_end.symtab == 0) | |
8a3fe4f8 | 1093 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
1094 | if (dummy_beg) |
1095 | print_source_lines (sal_end.symtab, | |
325fac50 | 1096 | std::max (sal_end.line - (get_lines_to_list () - 1), 1), |
0378c332 FN |
1097 | sal_end.line + 1, 0); |
1098 | else if (sal.symtab == 0) | |
8a3fe4f8 | 1099 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
1100 | else if (no_end) |
1101 | { | |
0d999a6e ZZ |
1102 | for (int i = 0; i < sals.nelts; i++) |
1103 | { | |
1104 | sal = sals.sals[i]; | |
1105 | int first_line = sal.line - get_lines_to_list () / 2; | |
1106 | if (first_line < 1) | |
1107 | first_line = 1; | |
1108 | if (sals.nelts > 1) | |
1109 | { | |
1110 | printf_filtered (_("file: \"%s\", line number: %d\n"), | |
1111 | symtab_to_filename_for_display (sal.symtab), | |
1112 | sal.line); | |
1113 | } | |
1114 | print_source_lines (sal.symtab, | |
1115 | first_line, | |
1116 | first_line + get_lines_to_list (), | |
1117 | 0); | |
1118 | } | |
0378c332 FN |
1119 | } |
1120 | else | |
1121 | print_source_lines (sal.symtab, sal.line, | |
1122 | (dummy_end | |
1123 | ? sal.line + get_lines_to_list () | |
1124 | : sal_end.line + 1), | |
1125 | 0); | |
0d999a6e | 1126 | xfree (sals.sals); |
0378c332 FN |
1127 | } |
1128 | ||
d14508fe DE |
1129 | /* Subroutine of disassemble_command to simplify it. |
1130 | Perform the disassembly. | |
1131 | NAME is the name of the function if known, or NULL. | |
1132 | [LOW,HIGH) are the range of addresses to disassemble. | |
1133 | MIXED is non-zero to print source with the assembler. */ | |
1134 | ||
1135 | static void | |
13274fc3 | 1136 | print_disassembly (struct gdbarch *gdbarch, const char *name, |
e6158f16 | 1137 | CORE_ADDR low, CORE_ADDR high, int flags) |
d14508fe DE |
1138 | { |
1139 | #if defined(TUI) | |
1140 | if (!tui_is_window_visible (DISASSEM_WIN)) | |
1141 | #endif | |
1142 | { | |
1143 | printf_filtered ("Dump of assembler code "); | |
1144 | if (name != NULL) | |
1145 | printf_filtered ("for function %s:\n", name); | |
1146 | else | |
5af949e3 UW |
1147 | printf_filtered ("from %s to %s:\n", |
1148 | paddress (gdbarch, low), paddress (gdbarch, high)); | |
d14508fe DE |
1149 | |
1150 | /* Dump the specified range. */ | |
7a8eb317 | 1151 | gdb_disassembly (gdbarch, current_uiout, flags, -1, low, high); |
d14508fe DE |
1152 | |
1153 | printf_filtered ("End of assembler dump.\n"); | |
1154 | gdb_flush (gdb_stdout); | |
1155 | } | |
1156 | #if defined(TUI) | |
1157 | else | |
1158 | { | |
13274fc3 | 1159 | tui_show_assembly (gdbarch, low); |
d14508fe DE |
1160 | } |
1161 | #endif | |
1162 | } | |
1163 | ||
1164 | /* Subroutine of disassemble_command to simplify it. | |
9c419145 | 1165 | Print a disassembly of the current function according to FLAGS. */ |
d14508fe DE |
1166 | |
1167 | static void | |
e6158f16 | 1168 | disassemble_current_function (int flags) |
d14508fe | 1169 | { |
13274fc3 UW |
1170 | struct frame_info *frame; |
1171 | struct gdbarch *gdbarch; | |
d14508fe | 1172 | CORE_ADDR low, high, pc; |
2c02bd72 | 1173 | const char *name; |
d14508fe | 1174 | |
13274fc3 UW |
1175 | frame = get_selected_frame (_("No frame selected.")); |
1176 | gdbarch = get_frame_arch (frame); | |
9bf4bce9 | 1177 | pc = get_frame_address_in_block (frame); |
d14508fe DE |
1178 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) |
1179 | error (_("No function contains program counter for selected frame.")); | |
1180 | #if defined(TUI) | |
1181 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously | |
1182 | `tui_version'. */ | |
1183 | if (tui_active) | |
1184 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1185 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
d14508fe | 1186 | #endif |
13274fc3 | 1187 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
d14508fe | 1188 | |
e6158f16 | 1189 | print_disassembly (gdbarch, name, low, high, flags); |
d14508fe DE |
1190 | } |
1191 | ||
1192 | /* Dump a specified section of assembly code. | |
1193 | ||
1194 | Usage: | |
6ff0ba5f | 1195 | disassemble [/mrs] |
d14508fe | 1196 | - dump the assembly code for the function of the current pc |
6ff0ba5f | 1197 | disassemble [/mrs] addr |
d14508fe | 1198 | - dump the assembly code for the function at ADDR |
6ff0ba5f DE |
1199 | disassemble [/mrs] low,high |
1200 | disassemble [/mrs] low,+length | |
53a71c06 | 1201 | - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length) |
d14508fe | 1202 | |
6ff0ba5f DE |
1203 | A /m modifier will include source code with the assembly in a |
1204 | "source centric" view. This view lists only the file of the first insn, | |
1205 | even if other source files are involved (e.g., inlined functions), and | |
1206 | the output is in source order, even with optimized code. This view is | |
1207 | considered deprecated as it hasn't been useful in practice. | |
1208 | ||
1209 | A /r modifier will include raw instructions in hex with the assembly. | |
1210 | ||
1211 | A /s modifier will include source code with the assembly, like /m, with | |
1212 | two important differences: | |
1213 | 1) The output is still in pc address order. | |
1214 | 2) File names and contents for all relevant source files are displayed. */ | |
83c31e7d | 1215 | |
83c31e7d FN |
1216 | static void |
1217 | disassemble_command (char *arg, int from_tty) | |
1218 | { | |
13274fc3 | 1219 | struct gdbarch *gdbarch = get_current_arch (); |
83c31e7d | 1220 | CORE_ADDR low, high; |
2c02bd72 | 1221 | const char *name; |
d36fc00b | 1222 | CORE_ADDR pc; |
e6158f16 | 1223 | int flags; |
bbc13ae3 | 1224 | const char *p; |
83c31e7d | 1225 | |
bbc13ae3 | 1226 | p = arg; |
83c31e7d | 1227 | name = NULL; |
e6158f16 | 1228 | flags = 0; |
d14508fe | 1229 | |
bbc13ae3 | 1230 | if (p && *p == '/') |
83c31e7d | 1231 | { |
bbc13ae3 | 1232 | ++p; |
d14508fe | 1233 | |
bbc13ae3 | 1234 | if (*p == '\0') |
d14508fe DE |
1235 | error (_("Missing modifier.")); |
1236 | ||
bbc13ae3 | 1237 | while (*p && ! isspace (*p)) |
d14508fe | 1238 | { |
bbc13ae3 | 1239 | switch (*p++) |
d14508fe DE |
1240 | { |
1241 | case 'm': | |
6ff0ba5f | 1242 | flags |= DISASSEMBLY_SOURCE_DEPRECATED; |
e6158f16 HZ |
1243 | break; |
1244 | case 'r': | |
1245 | flags |= DISASSEMBLY_RAW_INSN; | |
d14508fe | 1246 | break; |
6ff0ba5f DE |
1247 | case 's': |
1248 | flags |= DISASSEMBLY_SOURCE; | |
1249 | break; | |
d14508fe DE |
1250 | default: |
1251 | error (_("Invalid disassembly modifier.")); | |
1252 | } | |
1253 | } | |
1254 | ||
bbc13ae3 | 1255 | p = skip_spaces_const (p); |
d14508fe DE |
1256 | } |
1257 | ||
6ff0ba5f DE |
1258 | if ((flags & (DISASSEMBLY_SOURCE_DEPRECATED | DISASSEMBLY_SOURCE)) |
1259 | == (DISASSEMBLY_SOURCE_DEPRECATED | DISASSEMBLY_SOURCE)) | |
1260 | error (_("Cannot specify both /m and /s.")); | |
1261 | ||
bbc13ae3 | 1262 | if (! p || ! *p) |
d14508fe | 1263 | { |
9c419145 | 1264 | flags |= DISASSEMBLY_OMIT_FNAME; |
e6158f16 | 1265 | disassemble_current_function (flags); |
d14508fe | 1266 | return; |
83c31e7d | 1267 | } |
d14508fe | 1268 | |
bbc13ae3 KS |
1269 | pc = value_as_address (parse_to_comma_and_eval (&p)); |
1270 | if (p[0] == ',') | |
1271 | ++p; | |
1272 | if (p[0] == '\0') | |
83c31e7d FN |
1273 | { |
1274 | /* One argument. */ | |
83c31e7d | 1275 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) |
8a3fe4f8 | 1276 | error (_("No function contains specified address.")); |
83c31e7d | 1277 | #if defined(TUI) |
021e7609 AC |
1278 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously |
1279 | `tui_version'. */ | |
22940a24 AC |
1280 | if (tui_active) |
1281 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1282 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
83c31e7d | 1283 | #endif |
13274fc3 | 1284 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
9c419145 | 1285 | flags |= DISASSEMBLY_OMIT_FNAME; |
83c31e7d FN |
1286 | } |
1287 | else | |
1288 | { | |
1289 | /* Two arguments. */ | |
53a71c06 | 1290 | int incl_flag = 0; |
21a0512e | 1291 | low = pc; |
bbc13ae3 KS |
1292 | p = skip_spaces_const (p); |
1293 | if (p[0] == '+') | |
53a71c06 | 1294 | { |
bbc13ae3 | 1295 | ++p; |
53a71c06 CR |
1296 | incl_flag = 1; |
1297 | } | |
bbc13ae3 | 1298 | high = parse_and_eval_address (p); |
53a71c06 CR |
1299 | if (incl_flag) |
1300 | high += low; | |
83c31e7d FN |
1301 | } |
1302 | ||
e6158f16 | 1303 | print_disassembly (gdbarch, name, low, high, flags); |
83c31e7d FN |
1304 | } |
1305 | ||
d318976c FN |
1306 | static void |
1307 | make_command (char *arg, int from_tty) | |
1308 | { | |
d318976c | 1309 | if (arg == 0) |
be47f9e8 | 1310 | shell_escape ("make", from_tty); |
d318976c FN |
1311 | else |
1312 | { | |
be47f9e8 | 1313 | std::string cmd = std::string ("make ") + arg; |
d318976c | 1314 | |
be47f9e8 PA |
1315 | shell_escape (cmd.c_str (), from_tty); |
1316 | } | |
d318976c FN |
1317 | } |
1318 | ||
d318976c FN |
1319 | static void |
1320 | show_user (char *args, int from_tty) | |
1321 | { | |
1322 | struct cmd_list_element *c; | |
1323 | extern struct cmd_list_element *cmdlist; | |
1324 | ||
1325 | if (args) | |
1326 | { | |
6f937416 | 1327 | const char *comname = args; |
cdb27c12 | 1328 | |
adb483fe | 1329 | c = lookup_cmd (&comname, cmdlist, "", 0, 1); |
a9f116cb | 1330 | if (!cli_user_command_p (c)) |
8a3fe4f8 | 1331 | error (_("Not a user command.")); |
adb483fe | 1332 | show_user_1 (c, "", args, gdb_stdout); |
d318976c FN |
1333 | } |
1334 | else | |
1335 | { | |
1336 | for (c = cmdlist; c; c = c->next) | |
1337 | { | |
a9f116cb | 1338 | if (cli_user_command_p (c) || c->prefixlist != NULL) |
adb483fe | 1339 | show_user_1 (c, "", c->name, gdb_stdout); |
d318976c FN |
1340 | } |
1341 | } | |
1342 | } | |
1343 | ||
1344 | /* Search through names of commands and documentations for a certain | |
ebcd3b23 MS |
1345 | regular expression. */ |
1346 | ||
c419cfba | 1347 | static void |
d318976c FN |
1348 | apropos_command (char *searchstr, int from_tty) |
1349 | { | |
d318976c | 1350 | if (searchstr == NULL) |
f55af66d | 1351 | error (_("REGEXP string is empty")); |
d318976c | 1352 | |
2d7cc5c7 PA |
1353 | compiled_regex pattern (searchstr, REG_ICASE, |
1354 | _("Error in regular expression")); | |
dc92e161 | 1355 | |
2d7cc5c7 | 1356 | apropos_cmd (gdb_stdout, cmdlist, pattern, ""); |
d318976c | 1357 | } |
5a56e9c5 DE |
1358 | |
1359 | /* Subroutine of alias_command to simplify it. | |
1360 | Return the first N elements of ARGV flattened back to a string | |
1361 | with a space separating each element. | |
1362 | ARGV may not be NULL. | |
1363 | This does not take care of quoting elements in case they contain spaces | |
1364 | on purpose. */ | |
1365 | ||
a97e29d2 TT |
1366 | static std::string |
1367 | argv_to_string (char **argv, int n) | |
5a56e9c5 DE |
1368 | { |
1369 | int i; | |
a97e29d2 | 1370 | std::string result; |
5a56e9c5 DE |
1371 | |
1372 | gdb_assert (argv != NULL); | |
1373 | gdb_assert (n >= 0 && n <= countargv (argv)); | |
1374 | ||
1375 | for (i = 0; i < n; ++i) | |
1376 | { | |
1377 | if (i > 0) | |
a97e29d2 TT |
1378 | result += " "; |
1379 | result += argv[i]; | |
5a56e9c5 DE |
1380 | } |
1381 | ||
1382 | return result; | |
1383 | } | |
1384 | ||
1385 | /* Subroutine of alias_command to simplify it. | |
1386 | Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */ | |
1387 | ||
1388 | static int | |
6f937416 | 1389 | valid_command_p (const char *command) |
5a56e9c5 DE |
1390 | { |
1391 | struct cmd_list_element *c; | |
1392 | ||
1393 | c = lookup_cmd_1 (& command, cmdlist, NULL, 1); | |
1394 | ||
1395 | if (c == NULL || c == (struct cmd_list_element *) -1) | |
1396 | return FALSE; | |
1397 | ||
1398 | /* This is the slightly tricky part. | |
1399 | lookup_cmd_1 will return a pointer to the last part of COMMAND | |
1400 | to match, leaving COMMAND pointing at the remainder. */ | |
1401 | while (*command == ' ' || *command == '\t') | |
1402 | ++command; | |
1403 | return *command == '\0'; | |
1404 | } | |
1405 | ||
7f31862a PA |
1406 | /* Called when "alias" was incorrectly used. */ |
1407 | ||
1408 | static void | |
1409 | alias_usage_error (void) | |
1410 | { | |
1411 | error (_("Usage: alias [-a] [--] ALIAS = COMMAND")); | |
1412 | } | |
1413 | ||
5a56e9c5 DE |
1414 | /* Make an alias of an existing command. */ |
1415 | ||
1416 | static void | |
1417 | alias_command (char *args, int from_tty) | |
1418 | { | |
1419 | int i, alias_argc, command_argc; | |
1420 | int abbrev_flag = 0; | |
773a1edc | 1421 | char *equals; |
a97e29d2 | 1422 | const char *alias, *command; |
5a56e9c5 DE |
1423 | |
1424 | if (args == NULL || strchr (args, '=') == NULL) | |
7f31862a | 1425 | alias_usage_error (); |
5a56e9c5 | 1426 | |
773a1edc TT |
1427 | equals = strchr (args, '='); |
1428 | std::string args2 (args, equals - args); | |
1429 | ||
1430 | gdb_argv built_alias_argv (args2.c_str ()); | |
1431 | gdb_argv command_argv (equals + 1); | |
5a56e9c5 | 1432 | |
773a1edc TT |
1433 | char **alias_argv = built_alias_argv.get (); |
1434 | while (alias_argv[0] != NULL) | |
5a56e9c5 | 1435 | { |
773a1edc | 1436 | if (strcmp (alias_argv[0], "-a") == 0) |
5a56e9c5 DE |
1437 | { |
1438 | ++alias_argv; | |
1439 | abbrev_flag = 1; | |
1440 | } | |
773a1edc | 1441 | else if (strcmp (alias_argv[0], "--") == 0) |
5a56e9c5 DE |
1442 | { |
1443 | ++alias_argv; | |
1444 | break; | |
1445 | } | |
1446 | else | |
1447 | break; | |
1448 | } | |
1449 | ||
1450 | if (alias_argv[0] == NULL || command_argv[0] == NULL | |
1451 | || *alias_argv[0] == '\0' || *command_argv[0] == '\0') | |
7f31862a | 1452 | alias_usage_error (); |
5a56e9c5 DE |
1453 | |
1454 | for (i = 0; alias_argv[i] != NULL; ++i) | |
1455 | { | |
1456 | if (! valid_user_defined_cmd_name_p (alias_argv[i])) | |
1457 | { | |
1458 | if (i == 0) | |
1459 | error (_("Invalid command name: %s"), alias_argv[i]); | |
1460 | else | |
1461 | error (_("Invalid command element name: %s"), alias_argv[i]); | |
1462 | } | |
1463 | } | |
1464 | ||
1465 | alias_argc = countargv (alias_argv); | |
773a1edc | 1466 | command_argc = command_argv.count (); |
5a56e9c5 DE |
1467 | |
1468 | /* COMMAND must exist. | |
1469 | Reconstruct the command to remove any extraneous spaces, | |
1470 | for better error messages. */ | |
773a1edc TT |
1471 | std::string command_string (argv_to_string (command_argv.get (), |
1472 | command_argc)); | |
a97e29d2 | 1473 | command = command_string.c_str (); |
5a56e9c5 DE |
1474 | if (! valid_command_p (command)) |
1475 | error (_("Invalid command to alias to: %s"), command); | |
1476 | ||
1477 | /* ALIAS must not exist. */ | |
a97e29d2 TT |
1478 | std::string alias_string (argv_to_string (alias_argv, alias_argc)); |
1479 | alias = alias_string.c_str (); | |
5a56e9c5 DE |
1480 | if (valid_command_p (alias)) |
1481 | error (_("Alias already exists: %s"), alias); | |
1482 | ||
1483 | /* If ALIAS is one word, it is an alias for the entire COMMAND. | |
1484 | Example: alias spe = set print elements | |
1485 | ||
1486 | Otherwise ALIAS and COMMAND must have the same number of words, | |
1487 | and every word except the last must match; and the last word of | |
1488 | ALIAS is made an alias of the last word of COMMAND. | |
1489 | Example: alias set print elms = set pr elem | |
1490 | Note that unambiguous abbreviations are allowed. */ | |
1491 | ||
1492 | if (alias_argc == 1) | |
1493 | { | |
1494 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
1495 | add_com_alias (xstrdup (alias_argv[0]), command, class_alias, | |
1496 | abbrev_flag); | |
1497 | } | |
1498 | else | |
1499 | { | |
6f937416 | 1500 | const char *alias_prefix, *command_prefix; |
5a56e9c5 DE |
1501 | struct cmd_list_element *c_alias, *c_command; |
1502 | ||
1503 | if (alias_argc != command_argc) | |
1504 | error (_("Mismatched command length between ALIAS and COMMAND.")); | |
1505 | ||
1506 | /* Create copies of ALIAS and COMMAND without the last word, | |
1507 | and use that to verify the leading elements match. */ | |
a97e29d2 TT |
1508 | std::string alias_prefix_string (argv_to_string (alias_argv, |
1509 | alias_argc - 1)); | |
1510 | std::string command_prefix_string (argv_to_string (alias_argv, | |
1511 | command_argc - 1)); | |
1512 | alias_prefix = alias_prefix_string.c_str (); | |
1513 | command_prefix = command_prefix_string.c_str (); | |
5a56e9c5 DE |
1514 | |
1515 | c_command = lookup_cmd_1 (& command_prefix, cmdlist, NULL, 1); | |
1516 | /* We've already tried to look up COMMAND. */ | |
1517 | gdb_assert (c_command != NULL | |
1518 | && c_command != (struct cmd_list_element *) -1); | |
1519 | gdb_assert (c_command->prefixlist != NULL); | |
1520 | c_alias = lookup_cmd_1 (& alias_prefix, cmdlist, NULL, 1); | |
1521 | if (c_alias != c_command) | |
1522 | error (_("ALIAS and COMMAND prefixes do not match.")); | |
1523 | ||
1524 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
1525 | add_alias_cmd (xstrdup (alias_argv[alias_argc - 1]), | |
1526 | command_argv[command_argc - 1], | |
1527 | class_alias, abbrev_flag, c_command->prefixlist); | |
1528 | } | |
1529 | } | |
d318976c | 1530 | \f |
0378c332 | 1531 | /* Print a list of files and line numbers which a user may choose from |
ebcd3b23 MS |
1532 | in order to list a function which was specified ambiguously (as |
1533 | with `list classname::overloadedfuncname', for example). The | |
e439fa14 PA |
1534 | vector in SALS provides the filenames and line numbers. FORMAT is |
1535 | a printf-style format string used to tell the user what was | |
1536 | ambiguous. */ | |
0378c332 FN |
1537 | |
1538 | static void | |
e439fa14 | 1539 | ambiguous_line_spec (struct symtabs_and_lines *sals, const char *format, ...) |
0378c332 FN |
1540 | { |
1541 | int i; | |
1542 | ||
e439fa14 PA |
1543 | va_list ap; |
1544 | va_start (ap, format); | |
1545 | vprintf_filtered (format, ap); | |
1546 | va_end (ap); | |
1547 | ||
0378c332 | 1548 | for (i = 0; i < sals->nelts; ++i) |
a3f17187 | 1549 | printf_filtered (_("file: \"%s\", line number: %d\n"), |
05cba821 JK |
1550 | symtab_to_filename_for_display (sals->sals[i].symtab), |
1551 | sals->sals[i].line); | |
0378c332 FN |
1552 | } |
1553 | ||
f8eba3c6 TT |
1554 | /* Sort function for filter_sals. */ |
1555 | ||
1556 | static int | |
1557 | compare_symtabs (const void *a, const void *b) | |
1558 | { | |
9a3c8263 SM |
1559 | const struct symtab_and_line *sala = (const struct symtab_and_line *) a; |
1560 | const struct symtab_and_line *salb = (const struct symtab_and_line *) b; | |
ee6f8984 DE |
1561 | const char *dira = SYMTAB_DIRNAME (sala->symtab); |
1562 | const char *dirb = SYMTAB_DIRNAME (salb->symtab); | |
f8eba3c6 TT |
1563 | int r; |
1564 | ||
ee6f8984 | 1565 | if (dira == NULL) |
f8eba3c6 | 1566 | { |
ee6f8984 | 1567 | if (dirb != NULL) |
f8eba3c6 TT |
1568 | return -1; |
1569 | } | |
ee6f8984 | 1570 | else if (dirb == NULL) |
f8eba3c6 | 1571 | { |
ee6f8984 | 1572 | if (dira != NULL) |
f8eba3c6 TT |
1573 | return 1; |
1574 | } | |
1575 | else | |
1576 | { | |
ee6f8984 | 1577 | r = filename_cmp (dira, dirb); |
f8eba3c6 TT |
1578 | if (r) |
1579 | return r; | |
1580 | } | |
1581 | ||
1582 | r = filename_cmp (sala->symtab->filename, salb->symtab->filename); | |
1583 | if (r) | |
1584 | return r; | |
1585 | ||
1586 | if (sala->line < salb->line) | |
1587 | return -1; | |
1588 | return sala->line == salb->line ? 0 : 1; | |
1589 | } | |
1590 | ||
1591 | /* Remove any SALs that do not match the current program space, or | |
1592 | which appear to be "file:line" duplicates. */ | |
1593 | ||
1594 | static void | |
1595 | filter_sals (struct symtabs_and_lines *sals) | |
1596 | { | |
1597 | int i, out, prev; | |
1598 | ||
1599 | out = 0; | |
1600 | for (i = 0; i < sals->nelts; ++i) | |
1601 | { | |
1602 | if (sals->sals[i].pspace == current_program_space | |
ccbac09d | 1603 | && sals->sals[i].symtab != NULL) |
f8eba3c6 TT |
1604 | { |
1605 | sals->sals[out] = sals->sals[i]; | |
1606 | ++out; | |
1607 | } | |
1608 | } | |
1609 | sals->nelts = out; | |
1610 | ||
1611 | qsort (sals->sals, sals->nelts, sizeof (struct symtab_and_line), | |
1612 | compare_symtabs); | |
1613 | ||
1614 | out = 1; | |
1615 | prev = 0; | |
1616 | for (i = 1; i < sals->nelts; ++i) | |
1617 | { | |
1618 | if (compare_symtabs (&sals->sals[prev], &sals->sals[i])) | |
1619 | { | |
1620 | /* Symtabs differ. */ | |
1621 | sals->sals[out] = sals->sals[i]; | |
1622 | prev = out; | |
1623 | ++out; | |
1624 | } | |
1625 | } | |
f8eba3c6 TT |
1626 | |
1627 | if (sals->nelts == 0) | |
1628 | { | |
1629 | xfree (sals->sals); | |
1630 | sals->sals = NULL; | |
1631 | } | |
2f2e97fa TT |
1632 | else |
1633 | sals->nelts = out; | |
f8eba3c6 TT |
1634 | } |
1635 | ||
d318976c FN |
1636 | static void |
1637 | set_debug (char *arg, int from_tty) | |
1638 | { | |
9a2b4c1b MS |
1639 | printf_unfiltered (_("\"set debug\" must be followed by " |
1640 | "the name of a debug subcommand.\n")); | |
635c7e8a | 1641 | help_list (setdebuglist, "set debug ", all_commands, gdb_stdout); |
d318976c FN |
1642 | } |
1643 | ||
1644 | static void | |
1645 | show_debug (char *args, int from_tty) | |
1646 | { | |
1647 | cmd_show_list (showdebuglist, from_tty, ""); | |
1648 | } | |
1649 | ||
1650 | void | |
1651 | init_cmd_lists (void) | |
1652 | { | |
20f01a46 | 1653 | max_user_call_depth = 1024; |
d318976c FN |
1654 | } |
1655 | ||
920d2a44 AC |
1656 | static void |
1657 | show_info_verbose (struct ui_file *file, int from_tty, | |
1658 | struct cmd_list_element *c, | |
1659 | const char *value) | |
1660 | { | |
1661 | if (info_verbose) | |
9a2b4c1b MS |
1662 | fprintf_filtered (file, |
1663 | _("Verbose printing of informational messages is %s.\n"), | |
1664 | value); | |
920d2a44 AC |
1665 | else |
1666 | fprintf_filtered (file, _("Verbosity is %s.\n"), value); | |
1667 | } | |
1668 | ||
1669 | static void | |
1670 | show_history_expansion_p (struct ui_file *file, int from_tty, | |
1671 | struct cmd_list_element *c, const char *value) | |
1672 | { | |
1673 | fprintf_filtered (file, _("History expansion on command input is %s.\n"), | |
1674 | value); | |
1675 | } | |
1676 | ||
920d2a44 AC |
1677 | static void |
1678 | show_remote_debug (struct ui_file *file, int from_tty, | |
1679 | struct cmd_list_element *c, const char *value) | |
1680 | { | |
1681 | fprintf_filtered (file, _("Debugging of remote protocol is %s.\n"), | |
1682 | value); | |
1683 | } | |
1684 | ||
1685 | static void | |
1686 | show_remote_timeout (struct ui_file *file, int from_tty, | |
1687 | struct cmd_list_element *c, const char *value) | |
1688 | { | |
9a2b4c1b MS |
1689 | fprintf_filtered (file, |
1690 | _("Timeout limit to wait for target to respond is %s.\n"), | |
920d2a44 AC |
1691 | value); |
1692 | } | |
1693 | ||
1694 | static void | |
1695 | show_max_user_call_depth (struct ui_file *file, int from_tty, | |
1696 | struct cmd_list_element *c, const char *value) | |
1697 | { | |
9a2b4c1b MS |
1698 | fprintf_filtered (file, |
1699 | _("The max call depth for user-defined commands is %s.\n"), | |
920d2a44 AC |
1700 | value); |
1701 | } | |
1702 | ||
d318976c | 1703 | \f |
43e4916f TT |
1704 | |
1705 | initialize_file_ftype _initialize_cli_cmds; | |
1706 | ||
d318976c | 1707 | void |
43e4916f | 1708 | _initialize_cli_cmds (void) |
d318976c FN |
1709 | { |
1710 | struct cmd_list_element *c; | |
1711 | ||
1712 | /* Define the classes of commands. | |
1bfeeb0f | 1713 | They will appear in the help list in alphabetical order. */ |
d318976c | 1714 | |
1a966eab AC |
1715 | add_cmd ("internals", class_maintenance, NULL, _("\ |
1716 | Maintenance commands.\n\ | |
d318976c FN |
1717 | Some gdb commands are provided just for use by gdb maintainers.\n\ |
1718 | These commands are subject to frequent change, and may not be as\n\ | |
1a966eab | 1719 | well documented as user commands."), |
d318976c | 1720 | &cmdlist); |
1a966eab | 1721 | add_cmd ("obscure", class_obscure, NULL, _("Obscure features."), &cmdlist); |
9a2b4c1b MS |
1722 | add_cmd ("aliases", class_alias, NULL, |
1723 | _("Aliases of other commands."), &cmdlist); | |
1a966eab AC |
1724 | add_cmd ("user-defined", class_user, NULL, _("\ |
1725 | User-defined commands.\n\ | |
d318976c | 1726 | The commands in this class are those defined by the user.\n\ |
1a966eab AC |
1727 | Use the \"define\" command to define a command."), &cmdlist); |
1728 | add_cmd ("support", class_support, NULL, _("Support facilities."), &cmdlist); | |
d318976c | 1729 | if (!dbx_commands) |
1a966eab AC |
1730 | add_cmd ("status", class_info, NULL, _("Status inquiries."), &cmdlist); |
1731 | add_cmd ("files", class_files, NULL, _("Specifying and examining files."), | |
1732 | &cmdlist); | |
1733 | add_cmd ("breakpoints", class_breakpoint, NULL, | |
1734 | _("Making program stop at certain points."), &cmdlist); | |
1735 | add_cmd ("data", class_vars, NULL, _("Examining data."), &cmdlist); | |
1736 | add_cmd ("stack", class_stack, NULL, _("\ | |
1737 | Examining the stack.\n\ | |
d318976c FN |
1738 | The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\ |
1739 | counting from zero for the innermost (currently executing) frame.\n\n\ | |
1740 | At any time gdb identifies one frame as the \"selected\" frame.\n\ | |
1741 | Variable lookups are done with respect to the selected frame.\n\ | |
1742 | When the program being debugged stops, gdb selects the innermost frame.\n\ | |
1a966eab | 1743 | The commands below can be used to select other frames by number or address."), |
d318976c | 1744 | &cmdlist); |
1a966eab | 1745 | add_cmd ("running", class_run, NULL, _("Running the program."), &cmdlist); |
d318976c | 1746 | |
ebcd3b23 | 1747 | /* Define general commands. */ |
d318976c | 1748 | |
d729566a | 1749 | add_com ("pwd", class_files, pwd_command, _("\ |
1bedd215 | 1750 | Print working directory. This is used for your program as well.")); |
4f8d22e3 | 1751 | |
1a966eab AC |
1752 | c = add_cmd ("cd", class_files, cd_command, _("\ |
1753 | Set working directory to DIR for debugger and program being debugged.\n\ | |
d318976c | 1754 | The change does not take effect for the program being debugged\n\ |
1a966eab | 1755 | until the next time it is started."), &cmdlist); |
5ba2abeb | 1756 | set_cmd_completer (c, filename_completer); |
d318976c | 1757 | |
1bedd215 AC |
1758 | add_com ("echo", class_support, echo_command, _("\ |
1759 | Print a constant string. Give string as argument.\n\ | |
d318976c FN |
1760 | C escape sequences may be used in the argument.\n\ |
1761 | No newline is added at the end of the argument;\n\ | |
1762 | use \"\\n\" if you want a newline to be printed.\n\ | |
1763 | Since leading and trailing whitespace are ignored in command arguments,\n\ | |
1764 | if you want to print some you must use \"\\\" before leading whitespace\n\ | |
1bedd215 | 1765 | to be printed or after trailing whitespace.")); |
d318976c | 1766 | |
973817a3 JB |
1767 | add_setshow_enum_cmd ("script-extension", class_support, |
1768 | script_ext_enums, &script_ext_mode, _("\ | |
1769 | Set mode for script filename extension recognition."), _("\ | |
1770 | Show mode for script filename extension recognition."), _("\ | |
1771 | off == no filename extension recognition (all sourced files are GDB scripts)\n\ | |
1772 | soft == evaluate script according to filename extension, fallback to GDB script" | |
1773 | "\n\ | |
1774 | strict == evaluate script according to filename extension, error if not supported" | |
1775 | ), | |
1776 | NULL, | |
1777 | show_script_ext_mode, | |
1778 | &setlist, &showlist); | |
1779 | ||
bdb52a22 TT |
1780 | add_com ("quit", class_support, quit_command, _("\ |
1781 | Exit gdb.\n\ | |
1782 | Usage: quit [EXPR]\n\ | |
1783 | The optional expression EXPR, if present, is evaluated and the result\n\ | |
1784 | used as GDB's exit code. The default is zero.")); | |
1bedd215 AC |
1785 | c = add_com ("help", class_support, help_command, |
1786 | _("Print list of commands.")); | |
5ba2abeb | 1787 | set_cmd_completer (c, command_completer); |
d318976c FN |
1788 | add_com_alias ("q", "quit", class_support, 1); |
1789 | add_com_alias ("h", "help", class_support, 1); | |
1790 | ||
5bf193a2 AC |
1791 | add_setshow_boolean_cmd ("verbose", class_support, &info_verbose, _("\ |
1792 | Set verbosity."), _("\ | |
1793 | Show verbosity."), NULL, | |
1794 | set_verbose, | |
920d2a44 | 1795 | show_info_verbose, |
5bf193a2 | 1796 | &setlist, &showlist); |
d318976c FN |
1797 | |
1798 | add_prefix_cmd ("history", class_support, set_history, | |
1bedd215 | 1799 | _("Generic command for setting command history parameters."), |
d318976c FN |
1800 | &sethistlist, "set history ", 0, &setlist); |
1801 | add_prefix_cmd ("history", class_support, show_history, | |
1bedd215 | 1802 | _("Generic command for showing command history parameters."), |
d318976c FN |
1803 | &showhistlist, "show history ", 0, &showlist); |
1804 | ||
5bf193a2 AC |
1805 | add_setshow_boolean_cmd ("expansion", no_class, &history_expansion_p, _("\ |
1806 | Set history expansion on command input."), _("\ | |
1807 | Show history expansion on command input."), _("\ | |
1808 | Without an argument, history expansion is enabled."), | |
1809 | NULL, | |
920d2a44 | 1810 | show_history_expansion_p, |
5bf193a2 | 1811 | &sethistlist, &showhistlist); |
d318976c | 1812 | |
d729566a | 1813 | add_prefix_cmd ("info", class_info, info_command, _("\ |
1bedd215 | 1814 | Generic command for showing things about the program being debugged."), |
d729566a | 1815 | &infolist, "info ", 0, &cmdlist); |
d318976c | 1816 | add_com_alias ("i", "info", class_info, 1); |
a177aad3 | 1817 | add_com_alias ("inf", "info", class_info, 1); |
d318976c FN |
1818 | |
1819 | add_com ("complete", class_obscure, complete_command, | |
1bedd215 | 1820 | _("List the completions for the rest of the line as a command.")); |
d318976c | 1821 | |
d729566a | 1822 | add_prefix_cmd ("show", class_info, show_command, _("\ |
700b53b1 | 1823 | Generic command for showing things about the debugger."), |
d729566a | 1824 | &showlist, "show ", 0, &cmdlist); |
d318976c | 1825 | /* Another way to get at the same thing. */ |
1bedd215 | 1826 | add_info ("set", show_command, _("Show all GDB settings.")); |
d318976c | 1827 | |
db5f229b | 1828 | add_cmd ("commands", no_set_class, show_commands, _("\ |
1a966eab | 1829 | Show the history of commands you typed.\n\ |
d318976c | 1830 | You can supply a command number to start with, or a `+' to start after\n\ |
1a966eab | 1831 | the previous command number shown."), |
d318976c FN |
1832 | &showlist); |
1833 | ||
db5f229b | 1834 | add_cmd ("version", no_set_class, show_version, |
1a966eab | 1835 | _("Show what version of GDB this is."), &showlist); |
d318976c | 1836 | |
6eaaf48b EZ |
1837 | add_cmd ("configuration", no_set_class, show_configuration, |
1838 | _("Show how GDB was configured at build time."), &showlist); | |
1839 | ||
85c07804 AC |
1840 | add_setshow_zinteger_cmd ("remote", no_class, &remote_debug, _("\ |
1841 | Set debugging of remote protocol."), _("\ | |
1842 | Show debugging of remote protocol."), _("\ | |
d318976c | 1843 | When enabled, each packet sent or received with the remote target\n\ |
85c07804 AC |
1844 | is displayed."), |
1845 | NULL, | |
920d2a44 | 1846 | show_remote_debug, |
85c07804 | 1847 | &setdebuglist, &showdebuglist); |
d318976c | 1848 | |
6fc1c773 YQ |
1849 | add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class, |
1850 | &remote_timeout, _("\ | |
c0d88b1b AC |
1851 | Set timeout limit to wait for target to respond."), _("\ |
1852 | Show timeout limit to wait for target to respond."), _("\ | |
d318976c | 1853 | This value is used to set the time limit for gdb to wait for a response\n\ |
c0d88b1b | 1854 | from the target."), |
6fc1c773 YQ |
1855 | NULL, |
1856 | show_remote_timeout, | |
1857 | &setlist, &showlist); | |
d318976c FN |
1858 | |
1859 | add_prefix_cmd ("debug", no_class, set_debug, | |
1bedd215 | 1860 | _("Generic command for setting gdb debugging flags"), |
d318976c FN |
1861 | &setdebuglist, "set debug ", 0, &setlist); |
1862 | ||
1863 | add_prefix_cmd ("debug", no_class, show_debug, | |
1bedd215 | 1864 | _("Generic command for showing gdb debugging flags"), |
d318976c FN |
1865 | &showdebuglist, "show debug ", 0, &showlist); |
1866 | ||
be47f9e8 | 1867 | c = add_com ("shell", class_support, shell_command, _("\ |
1bedd215 AC |
1868 | Execute the rest of the line as a shell command.\n\ |
1869 | With no arguments, run an inferior shell.")); | |
5ba2abeb | 1870 | set_cmd_completer (c, filename_completer); |
d318976c | 1871 | |
1bedd215 AC |
1872 | c = add_com ("edit", class_files, edit_command, _("\ |
1873 | Edit specified file or function.\n\ | |
0378c332 | 1874 | With no argument, edits file containing most recent line listed.\n\ |
0378c332 FN |
1875 | Editing targets can be specified in these ways:\n\ |
1876 | FILE:LINENUM, to edit at that line in that file,\n\ | |
1877 | FUNCTION, to edit at the beginning of that function,\n\ | |
1878 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1879 | *ADDRESS, to edit at the line containing that address.\n\ | |
1bedd215 | 1880 | Uses EDITOR environment variable contents as editor (or ex as default).")); |
0378c332 FN |
1881 | |
1882 | c->completer = location_completer; | |
1883 | ||
1bedd215 AC |
1884 | add_com ("list", class_files, list_command, _("\ |
1885 | List specified function or line.\n\ | |
0378c332 FN |
1886 | With no argument, lists ten more lines after or around previous listing.\n\ |
1887 | \"list -\" lists the ten lines before a previous ten-line listing.\n\ | |
1888 | One argument specifies a line, and ten lines are listed around that line.\n\ | |
1889 | Two arguments with comma between specify starting and ending lines to list.\n\ | |
0378c332 FN |
1890 | Lines can be specified in these ways:\n\ |
1891 | LINENUM, to list around that line in current file,\n\ | |
1892 | FILE:LINENUM, to list around that line in that file,\n\ | |
1893 | FUNCTION, to list around beginning of that function,\n\ | |
1894 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1895 | *ADDRESS, to list around the line containing that address.\n\ | |
4fdd372d AB |
1896 | With two args, if one is empty, it stands for ten lines away from\n\ |
1897 | the other arg.\n\ | |
1898 | \n\ | |
1899 | By default, when a single location is given, display ten lines.\n\ | |
1900 | This can be changed using \"set listsize\", and the current value\n\ | |
1901 | can be shown using \"show listsize\".")); | |
0378c332 | 1902 | |
4f45d445 | 1903 | add_com_alias ("l", "list", class_files, 1); |
0378c332 FN |
1904 | |
1905 | if (dbx_commands) | |
1906 | add_com_alias ("file", "list", class_files, 1); | |
1907 | ||
1bedd215 AC |
1908 | c = add_com ("disassemble", class_vars, disassemble_command, _("\ |
1909 | Disassemble a specified section of memory.\n\ | |
83c31e7d | 1910 | Default is the function surrounding the pc of the selected frame.\n\ |
6ff0ba5f | 1911 | \n\ |
d14508fe | 1912 | With a /m modifier, source lines are included (if available).\n\ |
6ff0ba5f DE |
1913 | This view is \"source centric\": the output is in source line order,\n\ |
1914 | regardless of any optimization that is present. Only the main source file\n\ | |
1915 | is displayed, not those of, e.g., any inlined functions.\n\ | |
1916 | This modifier hasn't proved useful in practice and is deprecated\n\ | |
1917 | in favor of /s.\n\ | |
1918 | \n\ | |
1919 | With a /s modifier, source lines are included (if available).\n\ | |
1920 | This differs from /m in two important respects:\n\ | |
1921 | - the output is still in pc address order, and\n\ | |
1922 | - file names and contents for all relevant source files are displayed.\n\ | |
1923 | \n\ | |
e6158f16 | 1924 | With a /r modifier, raw instructions in hex are included.\n\ |
6ff0ba5f | 1925 | \n\ |
83c31e7d | 1926 | With a single argument, the function surrounding that address is dumped.\n\ |
53a71c06 | 1927 | Two arguments (separated by a comma) are taken as a range of memory to dump,\n\ |
7e1e0340 DE |
1928 | in the form of \"start,end\", or \"start,+length\".\n\ |
1929 | \n\ | |
1930 | Note that the address is interpreted as an expression, not as a location\n\ | |
1931 | like in the \"break\" command.\n\ | |
1932 | So, for example, if you want to disassemble function bar in file foo.c\n\ | |
1933 | you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\".")); | |
83c31e7d | 1934 | set_cmd_completer (c, location_completer); |
0378c332 | 1935 | |
ed59ded5 | 1936 | add_com_alias ("!", "shell", class_support, 0); |
d318976c | 1937 | |
1bedd215 AC |
1938 | c = add_com ("make", class_support, make_command, _("\ |
1939 | Run the ``make'' program using the rest of the line as arguments.")); | |
5ba2abeb | 1940 | set_cmd_completer (c, filename_completer); |
1a966eab | 1941 | add_cmd ("user", no_class, show_user, _("\ |
ed3ef339 | 1942 | Show definitions of non-python/scheme user defined commands.\n\ |
d318976c | 1943 | Argument is the name of the user defined command.\n\ |
1a966eab | 1944 | With no argument, show definitions of all user defined commands."), &showlist); |
1bedd215 AC |
1945 | add_com ("apropos", class_support, apropos_command, |
1946 | _("Search for commands matching a REGEXP")); | |
20f01a46 | 1947 | |
883b9c6c | 1948 | add_setshow_uinteger_cmd ("max-user-call-depth", no_class, |
c0d88b1b | 1949 | &max_user_call_depth, _("\ |
ed3ef339 DE |
1950 | Set the max call depth for non-python/scheme user-defined commands."), _("\ |
1951 | Show the max call depth for non-python/scheme user-defined commands."), NULL, | |
883b9c6c YQ |
1952 | NULL, |
1953 | show_max_user_call_depth, | |
1954 | &setlist, &showlist); | |
16026cd7 AS |
1955 | |
1956 | add_setshow_boolean_cmd ("trace-commands", no_class, &trace_commands, _("\ | |
1957 | Set tracing of GDB CLI commands."), _("\ | |
1958 | Show state of GDB CLI command tracing."), _("\ | |
1959 | When 'on', each command is displayed as it is executed."), | |
1960 | NULL, | |
1961 | NULL, | |
1962 | &setlist, &showlist); | |
5a56e9c5 DE |
1963 | |
1964 | c = add_com ("alias", class_support, alias_command, _("\ | |
1965 | Define a new command that is an alias of an existing command.\n\ | |
1966 | Usage: alias [-a] [--] ALIAS = COMMAND\n\ | |
1967 | ALIAS is the name of the alias command to create.\n\ | |
1968 | COMMAND is the command being aliased to.\n\ | |
1969 | If \"-a\" is specified, the command is an abbreviation,\n\ | |
1970 | and will not appear in help command list output.\n\ | |
1971 | \n\ | |
1972 | Examples:\n\ | |
1973 | Make \"spe\" an alias of \"set print elements\":\n\ | |
1974 | alias spe = set print elements\n\ | |
1975 | Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\ | |
1976 | alias -a set print elms = set print elements")); | |
d318976c | 1977 | } |
43e4916f TT |
1978 | |
1979 | void | |
1980 | init_cli_cmds (void) | |
1981 | { | |
1982 | struct cmd_list_element *c; | |
1983 | char *source_help_text; | |
1984 | ||
1985 | source_help_text = xstrprintf (_("\ | |
1986 | Read commands from a file named FILE.\n\ | |
1987 | \n\ | |
1988 | Usage: source [-s] [-v] FILE\n\ | |
1989 | -s: search for the script in the source search path,\n\ | |
1990 | even if FILE contains directories.\n\ | |
1991 | -v: each command in FILE is echoed as it is executed.\n\ | |
1992 | \n\ | |
1993 | Note that the file \"%s\" is read automatically in this way\n\ | |
1994 | when GDB is started."), gdbinit); | |
1995 | c = add_cmd ("source", class_support, source_command, | |
1996 | source_help_text, &cmdlist); | |
1997 | set_cmd_completer (c, filename_completer); | |
1998 | } |