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 FN |
61 | /* Prototypes for local utility functions */ |
62 | ||
06871ae8 PA |
63 | static void print_sal_location (const symtab_and_line &sal); |
64 | ||
6c5b2ebe | 65 | static void ambiguous_line_spec (gdb::array_view<const symtab_and_line> sals, |
e439fa14 PA |
66 | const char *format, ...) |
67 | ATTRIBUTE_PRINTF (2, 3); | |
f8eba3c6 | 68 | |
6c5b2ebe | 69 | static void filter_sals (std::vector<symtab_and_line> &); |
f8eba3c6 | 70 | |
d318976c | 71 | \f |
20f01a46 | 72 | /* Limit the call depth of user-defined commands */ |
883b9c6c | 73 | unsigned int max_user_call_depth; |
20f01a46 | 74 | |
d318976c FN |
75 | /* Define all cmd_list_elements. */ |
76 | ||
77 | /* Chain containing all defined commands. */ | |
78 | ||
79 | struct cmd_list_element *cmdlist; | |
80 | ||
81 | /* Chain containing all defined info subcommands. */ | |
82 | ||
83 | struct cmd_list_element *infolist; | |
84 | ||
ebcd3b23 | 85 | /* Chain containing all defined enable subcommands. */ |
d318976c FN |
86 | |
87 | struct cmd_list_element *enablelist; | |
88 | ||
ebcd3b23 | 89 | /* Chain containing all defined disable subcommands. */ |
d318976c FN |
90 | |
91 | struct cmd_list_element *disablelist; | |
92 | ||
ebcd3b23 | 93 | /* Chain containing all defined stop subcommands. */ |
d318976c FN |
94 | |
95 | struct cmd_list_element *stoplist; | |
96 | ||
ebcd3b23 | 97 | /* Chain containing all defined delete subcommands. */ |
d318976c FN |
98 | |
99 | struct cmd_list_element *deletelist; | |
100 | ||
ebcd3b23 | 101 | /* Chain containing all defined detach subcommands. */ |
f73adfeb AS |
102 | |
103 | struct cmd_list_element *detachlist; | |
104 | ||
ebcd3b23 | 105 | /* Chain containing all defined kill subcommands. */ |
2277426b PA |
106 | |
107 | struct cmd_list_element *killlist; | |
108 | ||
d318976c FN |
109 | /* Chain containing all defined set subcommands */ |
110 | ||
111 | struct cmd_list_element *setlist; | |
112 | ||
113 | /* Chain containing all defined unset subcommands */ | |
114 | ||
115 | struct cmd_list_element *unsetlist; | |
116 | ||
117 | /* Chain containing all defined show subcommands. */ | |
118 | ||
119 | struct cmd_list_element *showlist; | |
120 | ||
121 | /* Chain containing all defined \"set history\". */ | |
122 | ||
123 | struct cmd_list_element *sethistlist; | |
124 | ||
125 | /* Chain containing all defined \"show history\". */ | |
126 | ||
127 | struct cmd_list_element *showhistlist; | |
128 | ||
129 | /* Chain containing all defined \"unset history\". */ | |
130 | ||
131 | struct cmd_list_element *unsethistlist; | |
132 | ||
ebcd3b23 | 133 | /* Chain containing all defined maintenance subcommands. */ |
d318976c FN |
134 | |
135 | struct cmd_list_element *maintenancelist; | |
136 | ||
ebcd3b23 | 137 | /* Chain containing all defined "maintenance info" subcommands. */ |
d318976c FN |
138 | |
139 | struct cmd_list_element *maintenanceinfolist; | |
140 | ||
ebcd3b23 | 141 | /* Chain containing all defined "maintenance print" subcommands. */ |
d318976c FN |
142 | |
143 | struct cmd_list_element *maintenanceprintlist; | |
144 | ||
27d41eac YQ |
145 | /* Chain containing all defined "maintenance check" subcommands. */ |
146 | ||
147 | struct cmd_list_element *maintenancechecklist; | |
148 | ||
d318976c FN |
149 | struct cmd_list_element *setprintlist; |
150 | ||
151 | struct cmd_list_element *showprintlist; | |
152 | ||
153 | struct cmd_list_element *setdebuglist; | |
154 | ||
155 | struct cmd_list_element *showdebuglist; | |
156 | ||
157 | struct cmd_list_element *setchecklist; | |
158 | ||
159 | struct cmd_list_element *showchecklist; | |
16026cd7 AS |
160 | |
161 | /* Command tracing state. */ | |
162 | ||
163 | int source_verbose = 0; | |
164 | int trace_commands = 0; | |
d318976c | 165 | \f |
973817a3 JB |
166 | /* 'script-extension' option support. */ |
167 | ||
168 | static const char script_ext_off[] = "off"; | |
169 | static const char script_ext_soft[] = "soft"; | |
170 | static const char script_ext_strict[] = "strict"; | |
171 | ||
40478521 | 172 | static const char *const script_ext_enums[] = { |
973817a3 JB |
173 | script_ext_off, |
174 | script_ext_soft, | |
175 | script_ext_strict, | |
176 | NULL | |
177 | }; | |
178 | ||
179 | static const char *script_ext_mode = script_ext_soft; | |
180 | \f | |
d318976c | 181 | /* Utility used everywhere when at least one argument is needed and |
ebcd3b23 | 182 | none is supplied. */ |
d318976c FN |
183 | |
184 | void | |
5b10184c | 185 | error_no_arg (const char *why) |
d318976c | 186 | { |
8a3fe4f8 | 187 | error (_("Argument required (%s)."), why); |
d318976c FN |
188 | } |
189 | ||
190 | /* The "info" command is defined as a prefix, with allow_unknown = 0. | |
ebcd3b23 MS |
191 | Therefore, its own definition is called only for "info" with no |
192 | args. */ | |
d318976c | 193 | |
d318976c | 194 | static void |
981a3fb3 | 195 | info_command (const char *arg, int from_tty) |
d318976c | 196 | { |
9a2b4c1b MS |
197 | printf_unfiltered (_("\"info\" must be followed by " |
198 | "the name of an info command.\n")); | |
635c7e8a | 199 | help_list (infolist, "info ", all_commands, gdb_stdout); |
d318976c FN |
200 | } |
201 | ||
202 | /* The "show" command with no arguments shows all the settings. */ | |
203 | ||
981a3fb3 TT |
204 | static void |
205 | show_command (const char *arg, int from_tty) | |
206 | { | |
207 | cmd_show_list (showlist, from_tty, ""); | |
208 | } | |
209 | ||
210 | /* A temporary non-const overload of show_command. */ | |
211 | ||
d318976c FN |
212 | static void |
213 | show_command (char *arg, int from_tty) | |
214 | { | |
215 | cmd_show_list (showlist, from_tty, ""); | |
216 | } | |
981a3fb3 | 217 | |
d318976c FN |
218 | \f |
219 | /* Provide documentation on command or list given by COMMAND. FROM_TTY | |
220 | is ignored. */ | |
221 | ||
d318976c | 222 | static void |
0b39b52e | 223 | help_command (const char *command, int from_tty) |
d318976c FN |
224 | { |
225 | help_cmd (command, gdb_stdout); | |
226 | } | |
227 | \f | |
eb3ff9a5 | 228 | |
ef0b411a GB |
229 | /* Note: The "complete" command is used by Emacs to implement completion. |
230 | [Is that why this function writes output with *_unfiltered?] */ | |
d318976c | 231 | |
d318976c | 232 | static void |
0b39b52e | 233 | complete_command (const char *arg, int from_tty) |
d318976c | 234 | { |
d318976c FN |
235 | dont_repeat (); |
236 | ||
ef0b411a GB |
237 | if (max_completions == 0) |
238 | { | |
239 | /* Only print this for non-mi frontends. An MI frontend may not | |
240 | be able to handle this. */ | |
112e8700 | 241 | if (!current_uiout->is_mi_like_p ()) |
ef0b411a GB |
242 | { |
243 | printf_unfiltered (_("max-completions is zero," | |
244 | " completion is disabled.\n")); | |
245 | } | |
246 | return; | |
247 | } | |
248 | ||
d318976c FN |
249 | if (arg == NULL) |
250 | arg = ""; | |
d9b52655 | 251 | |
6a2c1b87 | 252 | completion_tracker tracker_handle_brkchars; |
eb3ff9a5 | 253 | completion_tracker tracker_handle_completions; |
c6756f62 | 254 | completion_tracker *tracker; |
83d31a92 | 255 | |
6a2c1b87 PA |
256 | int quote_char = '\0'; |
257 | const char *word; | |
258 | ||
eb3ff9a5 | 259 | TRY |
d318976c | 260 | { |
6a2c1b87 PA |
261 | word = completion_find_completion_word (tracker_handle_brkchars, |
262 | arg, "e_char); | |
263 | ||
c6756f62 PA |
264 | /* Completers that provide a custom word point in the |
265 | handle_brkchars phase also compute their completions then. | |
266 | Completers that leave the completion word handling to readline | |
267 | must be called twice. */ | |
268 | if (tracker_handle_brkchars.use_custom_word_point ()) | |
269 | tracker = &tracker_handle_brkchars; | |
270 | else | |
271 | { | |
272 | complete_line (tracker_handle_completions, word, arg, strlen (arg)); | |
273 | tracker = &tracker_handle_completions; | |
274 | } | |
eb3ff9a5 PA |
275 | } |
276 | CATCH (ex, RETURN_MASK_ALL) | |
277 | { | |
278 | return; | |
279 | } | |
a87c1427 | 280 | END_CATCH |
eb3ff9a5 | 281 | |
6a2c1b87 | 282 | std::string arg_prefix (arg, word - arg); |
83d31a92 | 283 | |
eb3ff9a5 | 284 | completion_result result |
c6756f62 | 285 | = tracker->build_completion_result (word, word - arg, strlen (arg)); |
83d31a92 | 286 | |
eb3ff9a5 PA |
287 | if (result.number_matches != 0) |
288 | { | |
289 | if (result.number_matches == 1) | |
290 | printf_unfiltered ("%s%s\n", arg_prefix.c_str (), result.match_list[0]); | |
291 | else | |
83d31a92 | 292 | { |
eb3ff9a5 PA |
293 | result.sort_match_list (); |
294 | ||
295 | for (size_t i = 0; i < result.number_matches; i++) | |
83d31a92 | 296 | { |
eb3ff9a5 PA |
297 | printf_unfiltered ("%s%s", |
298 | arg_prefix.c_str (), | |
299 | result.match_list[i + 1]); | |
6a2c1b87 PA |
300 | if (quote_char) |
301 | printf_unfiltered ("%c", quote_char); | |
eb3ff9a5 | 302 | printf_unfiltered ("\n"); |
83d31a92 | 303 | } |
83d31a92 TT |
304 | } |
305 | ||
eb3ff9a5 | 306 | if (result.number_matches == max_completions) |
ef0b411a | 307 | { |
6a2c1b87 | 308 | /* ARG_PREFIX and WORD are included in the output so that emacs |
ef0b411a GB |
309 | will include the message in the output. */ |
310 | printf_unfiltered (_("%s%s %s\n"), | |
6a2c1b87 | 311 | arg_prefix.c_str (), word, |
ef0b411a GB |
312 | get_max_completions_reached_message ()); |
313 | } | |
d318976c FN |
314 | } |
315 | } | |
316 | ||
bbaca940 AC |
317 | int |
318 | is_complete_command (struct cmd_list_element *c) | |
d318976c | 319 | { |
bbaca940 | 320 | return cmd_cfunc_eq (c, complete_command); |
d318976c FN |
321 | } |
322 | ||
d318976c | 323 | static void |
dede02ce | 324 | show_version (const char *args, int from_tty) |
d318976c | 325 | { |
d318976c FN |
326 | print_gdb_version (gdb_stdout); |
327 | printf_filtered ("\n"); | |
d318976c FN |
328 | } |
329 | ||
6eaaf48b | 330 | static void |
dede02ce | 331 | show_configuration (const char *args, int from_tty) |
6eaaf48b EZ |
332 | { |
333 | print_gdb_configuration (gdb_stdout); | |
334 | } | |
335 | ||
d318976c FN |
336 | /* Handle the quit command. */ |
337 | ||
338 | void | |
0b39b52e | 339 | quit_command (const char *args, int from_tty) |
d318976c | 340 | { |
36cf1806 TT |
341 | int exit_code = 0; |
342 | ||
343 | /* An optional expression may be used to cause gdb to terminate with | |
344 | the value of that expression. */ | |
345 | if (args) | |
346 | { | |
347 | struct value *val = parse_and_eval (args); | |
348 | ||
349 | exit_code = (int) value_as_long (val); | |
350 | } | |
351 | ||
d318976c | 352 | if (!quit_confirm ()) |
8a3fe4f8 | 353 | error (_("Not confirmed.")); |
d5551862 | 354 | |
2f9d54cf | 355 | query_if_trace_running (from_tty); |
d5551862 | 356 | |
36cf1806 | 357 | quit_force (args ? &exit_code : NULL, from_tty); |
d318976c FN |
358 | } |
359 | ||
d318976c | 360 | static void |
0b39b52e | 361 | pwd_command (const char *args, int from_tty) |
d318976c FN |
362 | { |
363 | if (args) | |
8a3fe4f8 | 364 | error (_("The \"pwd\" command does not take an argument: %s"), args); |
43573013 SDJ |
365 | |
366 | gdb::unique_xmalloc_ptr<char> cwd (getcwd (NULL, 0)); | |
367 | ||
368 | if (cwd == NULL) | |
bf1d7d9c JB |
369 | error (_("Error finding name of working directory: %s"), |
370 | safe_strerror (errno)); | |
d318976c | 371 | |
43573013 | 372 | if (strcmp (cwd.get (), current_directory) != 0) |
a3f17187 | 373 | printf_unfiltered (_("Working directory %s\n (canonically %s).\n"), |
43573013 | 374 | current_directory, cwd.get ()); |
d318976c | 375 | else |
a3f17187 | 376 | printf_unfiltered (_("Working directory %s.\n"), current_directory); |
d318976c FN |
377 | } |
378 | ||
379 | void | |
5e93d4c6 | 380 | cd_command (const char *dir, int from_tty) |
d318976c FN |
381 | { |
382 | int len; | |
383 | /* Found something other than leading repetitions of "/..". */ | |
384 | int found_real_path; | |
385 | char *p; | |
386 | ||
387 | /* If the new directory is absolute, repeat is a no-op; if relative, | |
388 | repeat might be useful but is more likely to be a mistake. */ | |
389 | dont_repeat (); | |
390 | ||
6eecf35f TT |
391 | gdb::unique_xmalloc_ptr<char> dir_holder |
392 | (tilde_expand (dir != NULL ? dir : "~")); | |
393 | dir = dir_holder.get (); | |
d318976c FN |
394 | |
395 | if (chdir (dir) < 0) | |
396 | perror_with_name (dir); | |
397 | ||
c3690141 | 398 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
d318976c FN |
399 | /* There's too much mess with DOSish names like "d:", "d:.", |
400 | "d:./foo" etc. Instead of having lots of special #ifdef'ed code, | |
401 | simply get the canonicalized name of the current directory. */ | |
43573013 SDJ |
402 | gdb::unique_xmalloc_ptr<char> cwd (getcwd (NULL, 0)); |
403 | dir = cwd.get (); | |
d318976c FN |
404 | #endif |
405 | ||
406 | len = strlen (dir); | |
fe4e3eb8 | 407 | if (IS_DIR_SEPARATOR (dir[len - 1])) |
d318976c FN |
408 | { |
409 | /* Remove the trailing slash unless this is a root directory | |
410 | (including a drive letter on non-Unix systems). */ | |
411 | if (!(len == 1) /* "/" */ | |
c3690141 | 412 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
fe4e3eb8 | 413 | && !(len == 3 && dir[1] == ':') /* "d:/" */ |
d318976c FN |
414 | #endif |
415 | ) | |
416 | len--; | |
417 | } | |
418 | ||
6eecf35f TT |
419 | dir_holder.reset (savestring (dir, len)); |
420 | if (IS_ABSOLUTE_PATH (dir_holder.get ())) | |
43573013 SDJ |
421 | { |
422 | xfree (current_directory); | |
423 | current_directory = dir_holder.release (); | |
424 | } | |
d318976c FN |
425 | else |
426 | { | |
fe4e3eb8 | 427 | if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1])) |
6eecf35f TT |
428 | current_directory = concat (current_directory, dir_holder.get (), |
429 | (char *) NULL); | |
d318976c | 430 | else |
1754f103 | 431 | current_directory = concat (current_directory, SLASH_STRING, |
6eecf35f | 432 | dir_holder.get (), (char *) NULL); |
d318976c FN |
433 | } |
434 | ||
435 | /* Now simplify any occurrences of `.' and `..' in the pathname. */ | |
436 | ||
437 | found_real_path = 0; | |
438 | for (p = current_directory; *p;) | |
439 | { | |
fe4e3eb8 EZ |
440 | if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' |
441 | && (p[2] == 0 || IS_DIR_SEPARATOR (p[2]))) | |
b2a3b509 | 442 | memmove (p, p + 2, strlen (p + 2) + 1); |
fe4e3eb8 EZ |
443 | else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.' |
444 | && (p[3] == 0 || IS_DIR_SEPARATOR (p[3]))) | |
d318976c FN |
445 | { |
446 | if (found_real_path) | |
447 | { | |
448 | /* Search backwards for the directory just before the "/.." | |
449 | and obliterate it and the "/..". */ | |
450 | char *q = p; | |
cdb27c12 | 451 | |
fe4e3eb8 | 452 | while (q != current_directory && !IS_DIR_SEPARATOR (q[-1])) |
d318976c FN |
453 | --q; |
454 | ||
455 | if (q == current_directory) | |
456 | /* current_directory is | |
457 | a relative pathname ("can't happen"--leave it alone). */ | |
458 | ++p; | |
459 | else | |
460 | { | |
b2a3b509 | 461 | memmove (q - 1, p + 3, strlen (p + 3) + 1); |
d318976c FN |
462 | p = q - 1; |
463 | } | |
464 | } | |
465 | else | |
ebcd3b23 MS |
466 | /* We are dealing with leading repetitions of "/..", for |
467 | example "/../..", which is the Mach super-root. */ | |
d318976c FN |
468 | p += 3; |
469 | } | |
470 | else | |
471 | { | |
472 | found_real_path = 1; | |
473 | ++p; | |
474 | } | |
475 | } | |
476 | ||
477 | forget_cached_source_info (); | |
478 | ||
479 | if (from_tty) | |
480 | pwd_command ((char *) 0, 1); | |
481 | } | |
482 | \f | |
973817a3 JB |
483 | /* Show the current value of the 'script-extension' option. */ |
484 | ||
485 | static void | |
486 | show_script_ext_mode (struct ui_file *file, int from_tty, | |
487 | struct cmd_list_element *c, const char *value) | |
d318976c | 488 | { |
9a2b4c1b MS |
489 | fprintf_filtered (file, |
490 | _("Script filename extension recognition is \"%s\".\n"), | |
973817a3 JB |
491 | value); |
492 | } | |
493 | ||
3f7b2faa DE |
494 | /* Try to open SCRIPT_FILE. |
495 | If successful, the full path name is stored in *FULL_PATHP, | |
ed166945 TT |
496 | and the stream is returned. |
497 | If not successful, return NULL; errno is set for the last file | |
3f7b2faa DE |
498 | we tried to open. |
499 | ||
500 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
f5b95b50 | 501 | search for it in the source search path. */ |
3f7b2faa | 502 | |
ed166945 TT |
503 | gdb::optional<open_script> |
504 | find_and_open_script (const char *script_file, int search_path) | |
973817a3 | 505 | { |
4b505b12 | 506 | int fd; |
492c0ab7 | 507 | int search_flags = OPF_TRY_CWD_FIRST | OPF_RETURN_REALPATH; |
ed166945 | 508 | gdb::optional<open_script> opened; |
d318976c | 509 | |
ee0c3293 | 510 | gdb::unique_xmalloc_ptr<char> file (tilde_expand (script_file)); |
d318976c | 511 | |
3f7b2faa DE |
512 | if (search_path) |
513 | search_flags |= OPF_SEARCH_IN_PATH; | |
4b505b12 | 514 | |
3f7b2faa DE |
515 | /* Search for and open 'file' on the search path used for source |
516 | files. Put the full location in *FULL_PATHP. */ | |
ed166945 | 517 | char *temp_path; |
3f7b2faa | 518 | fd = openp (source_path, search_flags, |
ee0c3293 | 519 | file.get (), O_RDONLY, &temp_path); |
ed166945 | 520 | gdb::unique_xmalloc_ptr<char> full_path (temp_path); |
4b505b12 AS |
521 | |
522 | if (fd == -1) | |
ee0c3293 | 523 | return opened; |
973817a3 | 524 | |
ed166945 TT |
525 | FILE *result = fdopen (fd, FOPEN_RT); |
526 | if (result == NULL) | |
77a35dd8 JK |
527 | { |
528 | int save_errno = errno; | |
529 | ||
530 | close (fd); | |
77a35dd8 | 531 | errno = save_errno; |
77a35dd8 | 532 | } |
ed166945 TT |
533 | else |
534 | opened.emplace (gdb_file_up (result), std::move (full_path)); | |
77a35dd8 | 535 | |
ed166945 | 536 | return opened; |
973817a3 JB |
537 | } |
538 | ||
1a70ae97 DE |
539 | /* Load script FILE, which has already been opened as STREAM. |
540 | FILE_TO_OPEN is the form of FILE to use if one needs to open the file. | |
541 | This is provided as FILE may have been found via the source search path. | |
542 | An important thing to note here is that FILE may be a symlink to a file | |
543 | with a different or non-existing suffix, and thus one cannot infer the | |
544 | extension language from FILE_TO_OPEN. */ | |
973817a3 | 545 | |
3f7b2faa | 546 | static void |
1a70ae97 DE |
547 | source_script_from_stream (FILE *stream, const char *file, |
548 | const char *file_to_open) | |
3f7b2faa | 549 | { |
6dddc817 | 550 | if (script_ext_mode != script_ext_off) |
973817a3 | 551 | { |
6dddc817 DE |
552 | const struct extension_language_defn *extlang |
553 | = get_ext_lang_of_file (file); | |
554 | ||
555 | if (extlang != NULL) | |
973817a3 | 556 | { |
6dddc817 DE |
557 | if (ext_lang_present_p (extlang)) |
558 | { | |
559 | script_sourcer_func *sourcer | |
560 | = ext_lang_script_sourcer (extlang); | |
561 | ||
562 | gdb_assert (sourcer != NULL); | |
1a70ae97 | 563 | sourcer (extlang, stream, file_to_open); |
6dddc817 DE |
564 | return; |
565 | } | |
566 | else if (script_ext_mode == script_ext_soft) | |
567 | { | |
568 | /* Assume the file is a gdb script. | |
569 | This is handled below. */ | |
570 | } | |
571 | else | |
572 | throw_ext_lang_unsupported (extlang); | |
973817a3 JB |
573 | } |
574 | } | |
6dddc817 DE |
575 | |
576 | script_from_file (stream, file); | |
3f7b2faa | 577 | } |
d318976c | 578 | |
3f7b2faa DE |
579 | /* Worker to perform the "source" command. |
580 | Load script FILE. | |
581 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
582 | search for it in the source search path. */ | |
583 | ||
584 | static void | |
585 | source_script_with_search (const char *file, int from_tty, int search_path) | |
586 | { | |
3f7b2faa DE |
587 | |
588 | if (file == NULL || *file == 0) | |
589 | error (_("source command requires file name of file to source.")); | |
590 | ||
ed166945 TT |
591 | gdb::optional<open_script> opened = find_and_open_script (file, search_path); |
592 | if (!opened) | |
3f7b2faa | 593 | { |
d234ef5c | 594 | /* The script wasn't found, or was otherwise inaccessible. |
ebcd3b23 MS |
595 | If the source command was invoked interactively, throw an |
596 | error. Otherwise (e.g. if it was invoked by a script), | |
7c647d61 | 597 | just emit a warning, rather than cause an error. */ |
3f7b2faa DE |
598 | if (from_tty) |
599 | perror_with_name (file); | |
600 | else | |
7c647d61 JB |
601 | { |
602 | perror_warning_with_name (file); | |
603 | return; | |
604 | } | |
3f7b2faa DE |
605 | } |
606 | ||
d234ef5c DE |
607 | /* The python support reopens the file, so we need to pass full_path here |
608 | in case the file was found on the search path. It's useful to do this | |
609 | anyway so that error messages show the actual file used. But only do | |
610 | this if we (may have) used search_path, as printing the full path in | |
611 | errors for the non-search case can be more noise than signal. */ | |
ed166945 TT |
612 | source_script_from_stream (opened->stream.get (), file, |
613 | search_path ? opened->full_path.get () : file); | |
d318976c FN |
614 | } |
615 | ||
3f7b2faa DE |
616 | /* Wrapper around source_script_with_search to export it to main.c |
617 | for use in loading .gdbinit scripts. */ | |
618 | ||
619 | void | |
50dd9793 | 620 | source_script (const char *file, int from_tty) |
3f7b2faa DE |
621 | { |
622 | source_script_with_search (file, from_tty, 0); | |
623 | } | |
624 | ||
16026cd7 | 625 | static void |
dede02ce | 626 | source_command (const char *args, int from_tty) |
16026cd7 | 627 | { |
dede02ce | 628 | const char *file = args; |
3f7b2faa | 629 | int search_path = 0; |
16026cd7 | 630 | |
2ec845e7 | 631 | scoped_restore save_source_verbose = make_scoped_restore (&source_verbose); |
16026cd7 AS |
632 | |
633 | /* -v causes the source command to run in verbose mode. | |
3f7b2faa DE |
634 | -s causes the file to be searched in the source search path, |
635 | even if the file name contains a '/'. | |
16026cd7 AS |
636 | We still have to be able to handle filenames with spaces in a |
637 | backward compatible way, so buildargv is not appropriate. */ | |
638 | ||
639 | if (args) | |
640 | { | |
3f7b2faa | 641 | while (args[0] != '\0') |
16026cd7 | 642 | { |
ebcd3b23 MS |
643 | /* Make sure leading white space does not break the |
644 | comparisons. */ | |
529480d0 | 645 | args = skip_spaces (args); |
3f7b2faa DE |
646 | |
647 | if (args[0] != '-') | |
648 | break; | |
649 | ||
650 | if (args[1] == 'v' && isspace (args[2])) | |
651 | { | |
652 | source_verbose = 1; | |
653 | ||
654 | /* Skip passed -v. */ | |
655 | args = &args[3]; | |
656 | } | |
657 | else if (args[1] == 's' && isspace (args[2])) | |
658 | { | |
659 | search_path = 1; | |
16026cd7 | 660 | |
3f7b2faa DE |
661 | /* Skip passed -s. */ |
662 | args = &args[3]; | |
663 | } | |
664 | else | |
665 | break; | |
16026cd7 | 666 | } |
3f7b2faa | 667 | |
529480d0 | 668 | file = skip_spaces (args); |
16026cd7 AS |
669 | } |
670 | ||
3f7b2faa | 671 | source_script_with_search (file, from_tty, search_path); |
16026cd7 AS |
672 | } |
673 | ||
674 | ||
d318976c | 675 | static void |
0b39b52e | 676 | echo_command (const char *text, int from_tty) |
d318976c | 677 | { |
d7561cbb | 678 | const char *p = text; |
d5b5ac79 | 679 | int c; |
d318976c FN |
680 | |
681 | if (text) | |
682 | while ((c = *p++) != '\0') | |
683 | { | |
684 | if (c == '\\') | |
685 | { | |
686 | /* \ at end of argument is used after spaces | |
687 | so they won't be lost. */ | |
688 | if (*p == 0) | |
689 | return; | |
690 | ||
f870a310 | 691 | c = parse_escape (get_current_arch (), &p); |
d318976c FN |
692 | if (c >= 0) |
693 | printf_filtered ("%c", c); | |
694 | } | |
695 | else | |
696 | printf_filtered ("%c", c); | |
697 | } | |
698 | ||
699 | /* Force this output to appear now. */ | |
700 | wrap_here (""); | |
701 | gdb_flush (gdb_stdout); | |
702 | } | |
703 | ||
d318976c | 704 | static void |
be47f9e8 | 705 | shell_escape (const char *arg, int from_tty) |
d318976c | 706 | { |
9b265ec2 MM |
707 | #if defined(CANT_FORK) || \ |
708 | (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK)) | |
d318976c FN |
709 | /* If ARG is NULL, they want an inferior shell, but `system' just |
710 | reports if the shell is available when passed a NULL arg. */ | |
711 | int rc = system (arg ? arg : ""); | |
712 | ||
713 | if (!arg) | |
714 | arg = "inferior shell"; | |
715 | ||
716 | if (rc == -1) | |
717 | { | |
718 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg, | |
719 | safe_strerror (errno)); | |
720 | gdb_flush (gdb_stderr); | |
721 | } | |
722 | else if (rc) | |
723 | { | |
724 | fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc); | |
725 | gdb_flush (gdb_stderr); | |
726 | } | |
2584159e | 727 | #ifdef GLOBAL_CURDIR |
ebcd3b23 MS |
728 | /* Make sure to return to the directory GDB thinks it is, in case |
729 | the shell command we just ran changed it. */ | |
d318976c FN |
730 | chdir (current_directory); |
731 | #endif | |
732 | #else /* Can fork. */ | |
5be4dfca | 733 | int status, pid; |
d318976c | 734 | |
325ed089 | 735 | if ((pid = vfork ()) == 0) |
d318976c | 736 | { |
9f37bbcc | 737 | const char *p, *user_shell; |
30e94205 | 738 | |
614c279d TT |
739 | close_most_fds (); |
740 | ||
30e94205 DJ |
741 | if ((user_shell = (char *) getenv ("SHELL")) == NULL) |
742 | user_shell = "/bin/sh"; | |
743 | ||
ebcd3b23 | 744 | /* Get the name of the shell for arg0. */ |
9f37bbcc | 745 | p = lbasename (user_shell); |
30e94205 | 746 | |
d318976c | 747 | if (!arg) |
36662fde | 748 | execl (user_shell, p, (char *) 0); |
d318976c | 749 | else |
36662fde | 750 | execl (user_shell, p, "-c", arg, (char *) 0); |
d318976c FN |
751 | |
752 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell, | |
753 | safe_strerror (errno)); | |
754 | gdb_flush (gdb_stderr); | |
755 | _exit (0177); | |
756 | } | |
757 | ||
758 | if (pid != -1) | |
5be4dfca | 759 | waitpid (pid, &status, 0); |
d318976c | 760 | else |
8a3fe4f8 | 761 | error (_("Fork failed")); |
d318976c FN |
762 | #endif /* Can fork. */ |
763 | } | |
764 | ||
be47f9e8 PA |
765 | /* Implementation of the "shell" command. */ |
766 | ||
767 | static void | |
0b39b52e | 768 | shell_command (const char *arg, int from_tty) |
be47f9e8 PA |
769 | { |
770 | shell_escape (arg, from_tty); | |
771 | } | |
772 | ||
0378c332 | 773 | static void |
0b39b52e | 774 | edit_command (const char *arg, int from_tty) |
0378c332 | 775 | { |
0378c332 FN |
776 | struct symtab_and_line sal; |
777 | struct symbol *sym; | |
a121b7c1 | 778 | const char *editor; |
0b0865da TT |
779 | char *p; |
780 | const char *fn; | |
0378c332 | 781 | |
d5529a84 | 782 | /* Pull in the current default source line if necessary. */ |
0378c332 | 783 | if (arg == 0) |
53cb0458 FN |
784 | { |
785 | set_default_source_symtab_and_line (); | |
786 | sal = get_current_source_symtab_and_line (); | |
787 | } | |
0378c332 | 788 | |
ebcd3b23 | 789 | /* Bare "edit" edits file with present line. */ |
0378c332 FN |
790 | |
791 | if (arg == 0) | |
792 | { | |
793 | if (sal.symtab == 0) | |
8a3fe4f8 | 794 | error (_("No default source file yet.")); |
0378c332 FN |
795 | sal.line += get_lines_to_list () / 2; |
796 | } | |
797 | else | |
798 | { | |
f2fc3015 | 799 | const char *arg1; |
0378c332 | 800 | |
f00aae0f | 801 | /* Now should only be one argument -- decode it in SAL. */ |
0378c332 | 802 | arg1 = arg; |
ffc2605c TT |
803 | event_location_up location = string_to_event_location (&arg1, |
804 | current_language); | |
6c5b2ebe PA |
805 | std::vector<symtab_and_line> sals = decode_line_1 (location.get (), |
806 | DECODE_LINE_LIST_MODE, | |
807 | NULL, NULL, 0); | |
0378c332 | 808 | |
6c5b2ebe PA |
809 | filter_sals (sals); |
810 | if (sals.empty ()) | |
d5529a84 TT |
811 | { |
812 | /* C++ */ | |
813 | return; | |
814 | } | |
6c5b2ebe | 815 | if (sals.size () > 1) |
d5529a84 | 816 | { |
6c5b2ebe | 817 | ambiguous_line_spec (sals, |
e439fa14 | 818 | _("Specified line is ambiguous:\n")); |
d5529a84 TT |
819 | return; |
820 | } | |
0378c332 | 821 | |
6c5b2ebe | 822 | sal = sals[0]; |
0378c332 FN |
823 | |
824 | if (*arg1) | |
8a3fe4f8 | 825 | error (_("Junk at end of line specification.")); |
0378c332 | 826 | |
ebcd3b23 MS |
827 | /* If line was specified by address, first print exactly which |
828 | line, and which file. In this case, sal.symtab == 0 means | |
829 | address is outside of all known source files, not that user | |
830 | failed to give a filename. */ | |
0378c332 FN |
831 | if (*arg == '*') |
832 | { | |
5af949e3 | 833 | struct gdbarch *gdbarch; |
cdb27c12 | 834 | |
0378c332 | 835 | if (sal.symtab == 0) |
8a3fe4f8 | 836 | error (_("No source file for address %s."), |
2b69941d | 837 | paddress (get_current_arch (), sal.pc)); |
5af949e3 | 838 | |
eb822aa6 | 839 | gdbarch = get_objfile_arch (SYMTAB_OBJFILE (sal.symtab)); |
0378c332 FN |
840 | sym = find_pc_function (sal.pc); |
841 | if (sym) | |
5af949e3 UW |
842 | printf_filtered ("%s is in %s (%s:%d).\n", |
843 | paddress (gdbarch, sal.pc), | |
844 | SYMBOL_PRINT_NAME (sym), | |
05cba821 JK |
845 | symtab_to_filename_for_display (sal.symtab), |
846 | sal.line); | |
0378c332 | 847 | else |
5af949e3 UW |
848 | printf_filtered ("%s is at %s:%d.\n", |
849 | paddress (gdbarch, sal.pc), | |
05cba821 JK |
850 | symtab_to_filename_for_display (sal.symtab), |
851 | sal.line); | |
0378c332 FN |
852 | } |
853 | ||
ebcd3b23 MS |
854 | /* If what was given does not imply a symtab, it must be an |
855 | undebuggable symbol which means no source code. */ | |
0378c332 FN |
856 | |
857 | if (sal.symtab == 0) | |
8a3fe4f8 | 858 | error (_("No line number known for %s."), arg); |
0378c332 FN |
859 | } |
860 | ||
861 | if ((editor = (char *) getenv ("EDITOR")) == NULL) | |
862 | editor = "/bin/ex"; | |
a955ca71 | 863 | |
f35a17b5 | 864 | fn = symtab_to_fullname (sal.symtab); |
0378c332 | 865 | |
a955ca71 EZ |
866 | /* Quote the file name, in case it has whitespace or other special |
867 | characters. */ | |
868 | p = xstrprintf ("%s +%d \"%s\"", editor, sal.line, fn); | |
d5529a84 TT |
869 | shell_escape (p, from_tty); |
870 | xfree (p); | |
0378c332 FN |
871 | } |
872 | ||
873 | static void | |
0b39b52e | 874 | list_command (const char *arg, int from_tty) |
0378c332 | 875 | { |
0378c332 | 876 | struct symbol *sym; |
f2fc3015 | 877 | const char *arg1; |
0378c332 FN |
878 | int no_end = 1; |
879 | int dummy_end = 0; | |
880 | int dummy_beg = 0; | |
881 | int linenum_beg = 0; | |
0b39b52e | 882 | const char *p; |
0378c332 | 883 | |
ebcd3b23 | 884 | /* Pull in the current default source line if necessary. */ |
a0def019 | 885 | if (arg == NULL || ((arg[0] == '+' || arg[0] == '-') && arg[1] == '\0')) |
53cb0458 FN |
886 | { |
887 | set_default_source_symtab_and_line (); | |
51abb421 | 888 | symtab_and_line cursal = get_current_source_symtab_and_line (); |
5166082f PA |
889 | |
890 | /* If this is the first "list" since we've set the current | |
891 | source line, center the listing around that line. */ | |
892 | if (get_first_line_listed () == 0) | |
893 | { | |
894 | int first; | |
895 | ||
325fac50 | 896 | first = std::max (cursal.line - get_lines_to_list () / 2, 1); |
5166082f PA |
897 | |
898 | /* A small special case --- if listing backwards, and we | |
899 | should list only one line, list the preceding line, | |
900 | instead of the exact line we've just shown after e.g., | |
901 | stopping for a breakpoint. */ | |
902 | if (arg != NULL && arg[0] == '-' | |
903 | && get_lines_to_list () == 1 && first > 1) | |
904 | first -= 1; | |
905 | ||
906 | print_source_lines (cursal.symtab, first, | |
907 | first + get_lines_to_list (), 0); | |
5166082f | 908 | } |
0378c332 | 909 | |
1a48ce76 | 910 | /* "l" or "l +" lists next ten lines. */ |
a0def019 | 911 | else if (arg == NULL || arg[0] == '+') |
1a48ce76 AB |
912 | print_source_lines (cursal.symtab, cursal.line, |
913 | cursal.line + get_lines_to_list (), 0); | |
0378c332 | 914 | |
1a48ce76 AB |
915 | /* "l -" lists previous ten lines, the ones before the ten just |
916 | listed. */ | |
a0def019 | 917 | else if (arg[0] == '-') |
3b2464a8 AB |
918 | { |
919 | if (get_first_line_listed () == 1) | |
920 | error (_("Already at the start of %s."), | |
921 | symtab_to_filename_for_display (cursal.symtab)); | |
922 | print_source_lines (cursal.symtab, | |
325fac50 PA |
923 | std::max (get_first_line_listed () |
924 | - get_lines_to_list (), 1), | |
3b2464a8 AB |
925 | get_first_line_listed (), 0); |
926 | } | |
0378c332 | 927 | |
0378c332 FN |
928 | return; |
929 | } | |
930 | ||
931 | /* Now if there is only one argument, decode it in SAL | |
932 | and set NO_END. | |
933 | If there are two arguments, decode them in SAL and SAL_END | |
934 | and clear NO_END; however, if one of the arguments is blank, | |
935 | set DUMMY_BEG or DUMMY_END to record that fact. */ | |
936 | ||
937 | if (!have_full_symbols () && !have_partial_symbols ()) | |
8a3fe4f8 | 938 | error (_("No symbol table is loaded. Use the \"file\" command.")); |
0378c332 | 939 | |
6c5b2ebe | 940 | std::vector<symtab_and_line> sals; |
51abb421 | 941 | symtab_and_line sal, sal_end; |
6c5b2ebe | 942 | |
0378c332 FN |
943 | arg1 = arg; |
944 | if (*arg1 == ',') | |
945 | dummy_beg = 1; | |
946 | else | |
947 | { | |
ffc2605c TT |
948 | event_location_up location = string_to_event_location (&arg1, |
949 | current_language); | |
950 | sals = decode_line_1 (location.get (), DECODE_LINE_LIST_MODE, | |
951 | NULL, NULL, 0); | |
6c5b2ebe PA |
952 | filter_sals (sals); |
953 | if (sals.empty ()) | |
f00aae0f KS |
954 | { |
955 | /* C++ */ | |
f00aae0f KS |
956 | return; |
957 | } | |
0378c332 | 958 | |
6c5b2ebe | 959 | sal = sals[0]; |
0378c332 FN |
960 | } |
961 | ||
962 | /* Record whether the BEG arg is all digits. */ | |
963 | ||
964 | for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++); | |
965 | linenum_beg = (p == arg1); | |
966 | ||
e439fa14 PA |
967 | /* Save the range of the first argument, in case we need to let the |
968 | user know it was ambiguous. */ | |
969 | const char *beg = arg; | |
970 | size_t beg_len = arg1 - beg; | |
971 | ||
0378c332 FN |
972 | while (*arg1 == ' ' || *arg1 == '\t') |
973 | arg1++; | |
974 | if (*arg1 == ',') | |
975 | { | |
976 | no_end = 0; | |
6c5b2ebe | 977 | if (sals.size () > 1) |
0d999a6e | 978 | { |
6c5b2ebe | 979 | ambiguous_line_spec (sals, |
e439fa14 PA |
980 | _("Specified first line '%.*s' is ambiguous:\n"), |
981 | (int) beg_len, beg); | |
0d999a6e ZZ |
982 | return; |
983 | } | |
0378c332 FN |
984 | arg1++; |
985 | while (*arg1 == ' ' || *arg1 == '\t') | |
986 | arg1++; | |
987 | if (*arg1 == 0) | |
988 | dummy_end = 1; | |
989 | else | |
990 | { | |
e439fa14 PA |
991 | /* Save the last argument, in case we need to let the user |
992 | know it was ambiguous. */ | |
993 | const char *end_arg = arg1; | |
994 | ||
ffc2605c TT |
995 | event_location_up location |
996 | = string_to_event_location (&arg1, current_language); | |
f00aae0f | 997 | |
6c5b2ebe PA |
998 | std::vector<symtab_and_line> sals_end |
999 | = (dummy_beg | |
1000 | ? decode_line_1 (location.get (), DECODE_LINE_LIST_MODE, | |
1001 | NULL, NULL, 0) | |
1002 | : decode_line_1 (location.get (), DECODE_LINE_LIST_MODE, | |
1003 | NULL, sal.symtab, sal.line)); | |
1004 | ||
1005 | filter_sals (sals_end); | |
1006 | if (sals_end.empty ()) | |
1007 | return; | |
1008 | if (sals_end.size () > 1) | |
0d999a6e | 1009 | { |
6c5b2ebe | 1010 | ambiguous_line_spec (sals_end, |
e439fa14 PA |
1011 | _("Specified last line '%s' is ambiguous:\n"), |
1012 | end_arg); | |
0378c332 FN |
1013 | return; |
1014 | } | |
6c5b2ebe | 1015 | sal_end = sals_end[0]; |
0378c332 FN |
1016 | } |
1017 | } | |
1018 | ||
1019 | if (*arg1) | |
8a3fe4f8 | 1020 | error (_("Junk at end of line specification.")); |
0378c332 FN |
1021 | |
1022 | if (!no_end && !dummy_beg && !dummy_end | |
1023 | && sal.symtab != sal_end.symtab) | |
e439fa14 | 1024 | error (_("Specified first and last lines are in different files.")); |
0378c332 | 1025 | if (dummy_beg && dummy_end) |
8a3fe4f8 | 1026 | error (_("Two empty args do not say what lines to list.")); |
0378c332 | 1027 | |
ebcd3b23 | 1028 | /* If line was specified by address, |
0378c332 | 1029 | first print exactly which line, and which file. |
ebcd3b23 MS |
1030 | |
1031 | In this case, sal.symtab == 0 means address is outside of all | |
1032 | known source files, not that user failed to give a filename. */ | |
0378c332 FN |
1033 | if (*arg == '*') |
1034 | { | |
5af949e3 | 1035 | struct gdbarch *gdbarch; |
cdb27c12 | 1036 | |
0378c332 | 1037 | if (sal.symtab == 0) |
8a3fe4f8 | 1038 | error (_("No source file for address %s."), |
2b69941d | 1039 | paddress (get_current_arch (), sal.pc)); |
5af949e3 | 1040 | |
eb822aa6 | 1041 | gdbarch = get_objfile_arch (SYMTAB_OBJFILE (sal.symtab)); |
0378c332 FN |
1042 | sym = find_pc_function (sal.pc); |
1043 | if (sym) | |
50ee7535 | 1044 | printf_filtered ("%s is in %s (%s:%d).\n", |
5af949e3 UW |
1045 | paddress (gdbarch, sal.pc), |
1046 | SYMBOL_PRINT_NAME (sym), | |
05cba821 | 1047 | symtab_to_filename_for_display (sal.symtab), sal.line); |
0378c332 | 1048 | else |
5af949e3 UW |
1049 | printf_filtered ("%s is at %s:%d.\n", |
1050 | paddress (gdbarch, sal.pc), | |
05cba821 | 1051 | symtab_to_filename_for_display (sal.symtab), sal.line); |
0378c332 FN |
1052 | } |
1053 | ||
ebcd3b23 MS |
1054 | /* If line was not specified by just a line number, and it does not |
1055 | imply a symtab, it must be an undebuggable symbol which means no | |
1056 | source code. */ | |
0378c332 FN |
1057 | |
1058 | if (!linenum_beg && sal.symtab == 0) | |
8a3fe4f8 | 1059 | error (_("No line number known for %s."), arg); |
0378c332 FN |
1060 | |
1061 | /* If this command is repeated with RET, | |
1062 | turn it into the no-arg variant. */ | |
1063 | ||
1064 | if (from_tty) | |
85c4be7c | 1065 | set_repeat_arguments (""); |
0378c332 FN |
1066 | |
1067 | if (dummy_beg && sal_end.symtab == 0) | |
8a3fe4f8 | 1068 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
1069 | if (dummy_beg) |
1070 | print_source_lines (sal_end.symtab, | |
325fac50 | 1071 | std::max (sal_end.line - (get_lines_to_list () - 1), 1), |
0378c332 FN |
1072 | sal_end.line + 1, 0); |
1073 | else if (sal.symtab == 0) | |
8a3fe4f8 | 1074 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
1075 | else if (no_end) |
1076 | { | |
6c5b2ebe | 1077 | for (int i = 0; i < sals.size (); i++) |
0d999a6e | 1078 | { |
6c5b2ebe | 1079 | sal = sals[i]; |
0d999a6e ZZ |
1080 | int first_line = sal.line - get_lines_to_list () / 2; |
1081 | if (first_line < 1) | |
1082 | first_line = 1; | |
6c5b2ebe | 1083 | if (sals.size () > 1) |
06871ae8 | 1084 | print_sal_location (sal); |
0d999a6e ZZ |
1085 | print_source_lines (sal.symtab, |
1086 | first_line, | |
1087 | first_line + get_lines_to_list (), | |
1088 | 0); | |
1089 | } | |
0378c332 FN |
1090 | } |
1091 | else | |
1092 | print_source_lines (sal.symtab, sal.line, | |
1093 | (dummy_end | |
1094 | ? sal.line + get_lines_to_list () | |
1095 | : sal_end.line + 1), | |
1096 | 0); | |
1097 | } | |
1098 | ||
d14508fe DE |
1099 | /* Subroutine of disassemble_command to simplify it. |
1100 | Perform the disassembly. | |
1101 | NAME is the name of the function if known, or NULL. | |
1102 | [LOW,HIGH) are the range of addresses to disassemble. | |
1103 | MIXED is non-zero to print source with the assembler. */ | |
1104 | ||
1105 | static void | |
13274fc3 | 1106 | print_disassembly (struct gdbarch *gdbarch, const char *name, |
9a24775b PA |
1107 | CORE_ADDR low, CORE_ADDR high, |
1108 | gdb_disassembly_flags flags) | |
d14508fe DE |
1109 | { |
1110 | #if defined(TUI) | |
1111 | if (!tui_is_window_visible (DISASSEM_WIN)) | |
1112 | #endif | |
1113 | { | |
1114 | printf_filtered ("Dump of assembler code "); | |
1115 | if (name != NULL) | |
1116 | printf_filtered ("for function %s:\n", name); | |
1117 | else | |
5af949e3 UW |
1118 | printf_filtered ("from %s to %s:\n", |
1119 | paddress (gdbarch, low), paddress (gdbarch, high)); | |
d14508fe DE |
1120 | |
1121 | /* Dump the specified range. */ | |
7a8eb317 | 1122 | gdb_disassembly (gdbarch, current_uiout, flags, -1, low, high); |
d14508fe DE |
1123 | |
1124 | printf_filtered ("End of assembler dump.\n"); | |
1125 | gdb_flush (gdb_stdout); | |
1126 | } | |
1127 | #if defined(TUI) | |
1128 | else | |
1129 | { | |
13274fc3 | 1130 | tui_show_assembly (gdbarch, low); |
d14508fe DE |
1131 | } |
1132 | #endif | |
1133 | } | |
1134 | ||
1135 | /* Subroutine of disassemble_command to simplify it. | |
9c419145 | 1136 | Print a disassembly of the current function according to FLAGS. */ |
d14508fe DE |
1137 | |
1138 | static void | |
9a24775b | 1139 | disassemble_current_function (gdb_disassembly_flags flags) |
d14508fe | 1140 | { |
13274fc3 UW |
1141 | struct frame_info *frame; |
1142 | struct gdbarch *gdbarch; | |
d14508fe | 1143 | CORE_ADDR low, high, pc; |
2c02bd72 | 1144 | const char *name; |
d14508fe | 1145 | |
13274fc3 UW |
1146 | frame = get_selected_frame (_("No frame selected.")); |
1147 | gdbarch = get_frame_arch (frame); | |
9bf4bce9 | 1148 | pc = get_frame_address_in_block (frame); |
d14508fe DE |
1149 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) |
1150 | error (_("No function contains program counter for selected frame.")); | |
1151 | #if defined(TUI) | |
1152 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously | |
1153 | `tui_version'. */ | |
1154 | if (tui_active) | |
1155 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1156 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
d14508fe | 1157 | #endif |
13274fc3 | 1158 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
d14508fe | 1159 | |
e6158f16 | 1160 | print_disassembly (gdbarch, name, low, high, flags); |
d14508fe DE |
1161 | } |
1162 | ||
1163 | /* Dump a specified section of assembly code. | |
1164 | ||
1165 | Usage: | |
6ff0ba5f | 1166 | disassemble [/mrs] |
d14508fe | 1167 | - dump the assembly code for the function of the current pc |
6ff0ba5f | 1168 | disassemble [/mrs] addr |
d14508fe | 1169 | - dump the assembly code for the function at ADDR |
6ff0ba5f DE |
1170 | disassemble [/mrs] low,high |
1171 | disassemble [/mrs] low,+length | |
53a71c06 | 1172 | - dump the assembly code in the range [LOW,HIGH), or [LOW,LOW+length) |
d14508fe | 1173 | |
6ff0ba5f DE |
1174 | A /m modifier will include source code with the assembly in a |
1175 | "source centric" view. This view lists only the file of the first insn, | |
1176 | even if other source files are involved (e.g., inlined functions), and | |
1177 | the output is in source order, even with optimized code. This view is | |
1178 | considered deprecated as it hasn't been useful in practice. | |
1179 | ||
1180 | A /r modifier will include raw instructions in hex with the assembly. | |
1181 | ||
1182 | A /s modifier will include source code with the assembly, like /m, with | |
1183 | two important differences: | |
1184 | 1) The output is still in pc address order. | |
1185 | 2) File names and contents for all relevant source files are displayed. */ | |
83c31e7d | 1186 | |
83c31e7d | 1187 | static void |
0b39b52e | 1188 | disassemble_command (const char *arg, int from_tty) |
83c31e7d | 1189 | { |
13274fc3 | 1190 | struct gdbarch *gdbarch = get_current_arch (); |
83c31e7d | 1191 | CORE_ADDR low, high; |
2c02bd72 | 1192 | const char *name; |
d36fc00b | 1193 | CORE_ADDR pc; |
9a24775b | 1194 | gdb_disassembly_flags flags; |
bbc13ae3 | 1195 | const char *p; |
83c31e7d | 1196 | |
bbc13ae3 | 1197 | p = arg; |
83c31e7d | 1198 | name = NULL; |
e6158f16 | 1199 | flags = 0; |
d14508fe | 1200 | |
bbc13ae3 | 1201 | if (p && *p == '/') |
83c31e7d | 1202 | { |
bbc13ae3 | 1203 | ++p; |
d14508fe | 1204 | |
bbc13ae3 | 1205 | if (*p == '\0') |
d14508fe DE |
1206 | error (_("Missing modifier.")); |
1207 | ||
bbc13ae3 | 1208 | while (*p && ! isspace (*p)) |
d14508fe | 1209 | { |
bbc13ae3 | 1210 | switch (*p++) |
d14508fe DE |
1211 | { |
1212 | case 'm': | |
6ff0ba5f | 1213 | flags |= DISASSEMBLY_SOURCE_DEPRECATED; |
e6158f16 HZ |
1214 | break; |
1215 | case 'r': | |
1216 | flags |= DISASSEMBLY_RAW_INSN; | |
d14508fe | 1217 | break; |
6ff0ba5f DE |
1218 | case 's': |
1219 | flags |= DISASSEMBLY_SOURCE; | |
1220 | break; | |
d14508fe DE |
1221 | default: |
1222 | error (_("Invalid disassembly modifier.")); | |
1223 | } | |
1224 | } | |
1225 | ||
f1735a53 | 1226 | p = skip_spaces (p); |
d14508fe DE |
1227 | } |
1228 | ||
6ff0ba5f DE |
1229 | if ((flags & (DISASSEMBLY_SOURCE_DEPRECATED | DISASSEMBLY_SOURCE)) |
1230 | == (DISASSEMBLY_SOURCE_DEPRECATED | DISASSEMBLY_SOURCE)) | |
1231 | error (_("Cannot specify both /m and /s.")); | |
1232 | ||
bbc13ae3 | 1233 | if (! p || ! *p) |
d14508fe | 1234 | { |
9c419145 | 1235 | flags |= DISASSEMBLY_OMIT_FNAME; |
e6158f16 | 1236 | disassemble_current_function (flags); |
d14508fe | 1237 | return; |
83c31e7d | 1238 | } |
d14508fe | 1239 | |
bbc13ae3 KS |
1240 | pc = value_as_address (parse_to_comma_and_eval (&p)); |
1241 | if (p[0] == ',') | |
1242 | ++p; | |
1243 | if (p[0] == '\0') | |
83c31e7d FN |
1244 | { |
1245 | /* One argument. */ | |
83c31e7d | 1246 | if (find_pc_partial_function (pc, &name, &low, &high) == 0) |
8a3fe4f8 | 1247 | error (_("No function contains specified address.")); |
83c31e7d | 1248 | #if defined(TUI) |
021e7609 AC |
1249 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously |
1250 | `tui_version'. */ | |
22940a24 AC |
1251 | if (tui_active) |
1252 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1253 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
83c31e7d | 1254 | #endif |
13274fc3 | 1255 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
9c419145 | 1256 | flags |= DISASSEMBLY_OMIT_FNAME; |
83c31e7d FN |
1257 | } |
1258 | else | |
1259 | { | |
1260 | /* Two arguments. */ | |
53a71c06 | 1261 | int incl_flag = 0; |
21a0512e | 1262 | low = pc; |
f1735a53 | 1263 | p = skip_spaces (p); |
bbc13ae3 | 1264 | if (p[0] == '+') |
53a71c06 | 1265 | { |
bbc13ae3 | 1266 | ++p; |
53a71c06 CR |
1267 | incl_flag = 1; |
1268 | } | |
bbc13ae3 | 1269 | high = parse_and_eval_address (p); |
53a71c06 CR |
1270 | if (incl_flag) |
1271 | high += low; | |
83c31e7d FN |
1272 | } |
1273 | ||
e6158f16 | 1274 | print_disassembly (gdbarch, name, low, high, flags); |
83c31e7d FN |
1275 | } |
1276 | ||
d318976c | 1277 | static void |
0b39b52e | 1278 | make_command (const char *arg, int from_tty) |
d318976c | 1279 | { |
d318976c | 1280 | if (arg == 0) |
be47f9e8 | 1281 | shell_escape ("make", from_tty); |
d318976c FN |
1282 | else |
1283 | { | |
be47f9e8 | 1284 | std::string cmd = std::string ("make ") + arg; |
d318976c | 1285 | |
be47f9e8 PA |
1286 | shell_escape (cmd.c_str (), from_tty); |
1287 | } | |
d318976c FN |
1288 | } |
1289 | ||
d318976c | 1290 | static void |
dede02ce | 1291 | show_user (const char *args, int from_tty) |
d318976c FN |
1292 | { |
1293 | struct cmd_list_element *c; | |
1294 | extern struct cmd_list_element *cmdlist; | |
1295 | ||
1296 | if (args) | |
1297 | { | |
6f937416 | 1298 | const char *comname = args; |
cdb27c12 | 1299 | |
adb483fe | 1300 | c = lookup_cmd (&comname, cmdlist, "", 0, 1); |
a9f116cb | 1301 | if (!cli_user_command_p (c)) |
8a3fe4f8 | 1302 | error (_("Not a user command.")); |
adb483fe | 1303 | show_user_1 (c, "", args, gdb_stdout); |
d318976c FN |
1304 | } |
1305 | else | |
1306 | { | |
1307 | for (c = cmdlist; c; c = c->next) | |
1308 | { | |
a9f116cb | 1309 | if (cli_user_command_p (c) || c->prefixlist != NULL) |
adb483fe | 1310 | show_user_1 (c, "", c->name, gdb_stdout); |
d318976c FN |
1311 | } |
1312 | } | |
1313 | } | |
1314 | ||
1315 | /* Search through names of commands and documentations for a certain | |
ebcd3b23 MS |
1316 | regular expression. */ |
1317 | ||
c419cfba | 1318 | static void |
0b39b52e | 1319 | apropos_command (const char *searchstr, int from_tty) |
d318976c | 1320 | { |
d318976c | 1321 | if (searchstr == NULL) |
f55af66d | 1322 | error (_("REGEXP string is empty")); |
d318976c | 1323 | |
2d7cc5c7 PA |
1324 | compiled_regex pattern (searchstr, REG_ICASE, |
1325 | _("Error in regular expression")); | |
dc92e161 | 1326 | |
2d7cc5c7 | 1327 | apropos_cmd (gdb_stdout, cmdlist, pattern, ""); |
d318976c | 1328 | } |
5a56e9c5 DE |
1329 | |
1330 | /* Subroutine of alias_command to simplify it. | |
1331 | Return the first N elements of ARGV flattened back to a string | |
1332 | with a space separating each element. | |
1333 | ARGV may not be NULL. | |
1334 | This does not take care of quoting elements in case they contain spaces | |
1335 | on purpose. */ | |
1336 | ||
a97e29d2 TT |
1337 | static std::string |
1338 | argv_to_string (char **argv, int n) | |
5a56e9c5 DE |
1339 | { |
1340 | int i; | |
a97e29d2 | 1341 | std::string result; |
5a56e9c5 DE |
1342 | |
1343 | gdb_assert (argv != NULL); | |
1344 | gdb_assert (n >= 0 && n <= countargv (argv)); | |
1345 | ||
1346 | for (i = 0; i < n; ++i) | |
1347 | { | |
1348 | if (i > 0) | |
a97e29d2 TT |
1349 | result += " "; |
1350 | result += argv[i]; | |
5a56e9c5 DE |
1351 | } |
1352 | ||
1353 | return result; | |
1354 | } | |
1355 | ||
1356 | /* Subroutine of alias_command to simplify it. | |
1357 | Return TRUE if COMMAND exists, unambiguously. Otherwise FALSE. */ | |
1358 | ||
1359 | static int | |
6f937416 | 1360 | valid_command_p (const char *command) |
5a56e9c5 DE |
1361 | { |
1362 | struct cmd_list_element *c; | |
1363 | ||
1364 | c = lookup_cmd_1 (& command, cmdlist, NULL, 1); | |
1365 | ||
1366 | if (c == NULL || c == (struct cmd_list_element *) -1) | |
1367 | return FALSE; | |
1368 | ||
1369 | /* This is the slightly tricky part. | |
1370 | lookup_cmd_1 will return a pointer to the last part of COMMAND | |
1371 | to match, leaving COMMAND pointing at the remainder. */ | |
1372 | while (*command == ' ' || *command == '\t') | |
1373 | ++command; | |
1374 | return *command == '\0'; | |
1375 | } | |
1376 | ||
7f31862a PA |
1377 | /* Called when "alias" was incorrectly used. */ |
1378 | ||
1379 | static void | |
1380 | alias_usage_error (void) | |
1381 | { | |
1382 | error (_("Usage: alias [-a] [--] ALIAS = COMMAND")); | |
1383 | } | |
1384 | ||
5a56e9c5 DE |
1385 | /* Make an alias of an existing command. */ |
1386 | ||
1387 | static void | |
0b39b52e | 1388 | alias_command (const char *args, int from_tty) |
5a56e9c5 DE |
1389 | { |
1390 | int i, alias_argc, command_argc; | |
1391 | int abbrev_flag = 0; | |
0b39b52e | 1392 | const char *equals; |
a97e29d2 | 1393 | const char *alias, *command; |
5a56e9c5 DE |
1394 | |
1395 | if (args == NULL || strchr (args, '=') == NULL) | |
7f31862a | 1396 | alias_usage_error (); |
5a56e9c5 | 1397 | |
773a1edc TT |
1398 | equals = strchr (args, '='); |
1399 | std::string args2 (args, equals - args); | |
1400 | ||
1401 | gdb_argv built_alias_argv (args2.c_str ()); | |
1402 | gdb_argv command_argv (equals + 1); | |
5a56e9c5 | 1403 | |
773a1edc TT |
1404 | char **alias_argv = built_alias_argv.get (); |
1405 | while (alias_argv[0] != NULL) | |
5a56e9c5 | 1406 | { |
773a1edc | 1407 | if (strcmp (alias_argv[0], "-a") == 0) |
5a56e9c5 DE |
1408 | { |
1409 | ++alias_argv; | |
1410 | abbrev_flag = 1; | |
1411 | } | |
773a1edc | 1412 | else if (strcmp (alias_argv[0], "--") == 0) |
5a56e9c5 DE |
1413 | { |
1414 | ++alias_argv; | |
1415 | break; | |
1416 | } | |
1417 | else | |
1418 | break; | |
1419 | } | |
1420 | ||
1421 | if (alias_argv[0] == NULL || command_argv[0] == NULL | |
1422 | || *alias_argv[0] == '\0' || *command_argv[0] == '\0') | |
7f31862a | 1423 | alias_usage_error (); |
5a56e9c5 DE |
1424 | |
1425 | for (i = 0; alias_argv[i] != NULL; ++i) | |
1426 | { | |
1427 | if (! valid_user_defined_cmd_name_p (alias_argv[i])) | |
1428 | { | |
1429 | if (i == 0) | |
1430 | error (_("Invalid command name: %s"), alias_argv[i]); | |
1431 | else | |
1432 | error (_("Invalid command element name: %s"), alias_argv[i]); | |
1433 | } | |
1434 | } | |
1435 | ||
1436 | alias_argc = countargv (alias_argv); | |
773a1edc | 1437 | command_argc = command_argv.count (); |
5a56e9c5 DE |
1438 | |
1439 | /* COMMAND must exist. | |
1440 | Reconstruct the command to remove any extraneous spaces, | |
1441 | for better error messages. */ | |
773a1edc TT |
1442 | std::string command_string (argv_to_string (command_argv.get (), |
1443 | command_argc)); | |
a97e29d2 | 1444 | command = command_string.c_str (); |
5a56e9c5 DE |
1445 | if (! valid_command_p (command)) |
1446 | error (_("Invalid command to alias to: %s"), command); | |
1447 | ||
1448 | /* ALIAS must not exist. */ | |
a97e29d2 TT |
1449 | std::string alias_string (argv_to_string (alias_argv, alias_argc)); |
1450 | alias = alias_string.c_str (); | |
5a56e9c5 DE |
1451 | if (valid_command_p (alias)) |
1452 | error (_("Alias already exists: %s"), alias); | |
1453 | ||
1454 | /* If ALIAS is one word, it is an alias for the entire COMMAND. | |
1455 | Example: alias spe = set print elements | |
1456 | ||
1457 | Otherwise ALIAS and COMMAND must have the same number of words, | |
1458 | and every word except the last must match; and the last word of | |
1459 | ALIAS is made an alias of the last word of COMMAND. | |
1460 | Example: alias set print elms = set pr elem | |
1461 | Note that unambiguous abbreviations are allowed. */ | |
1462 | ||
1463 | if (alias_argc == 1) | |
1464 | { | |
1465 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
1466 | add_com_alias (xstrdup (alias_argv[0]), command, class_alias, | |
1467 | abbrev_flag); | |
1468 | } | |
1469 | else | |
1470 | { | |
6f937416 | 1471 | const char *alias_prefix, *command_prefix; |
5a56e9c5 DE |
1472 | struct cmd_list_element *c_alias, *c_command; |
1473 | ||
1474 | if (alias_argc != command_argc) | |
1475 | error (_("Mismatched command length between ALIAS and COMMAND.")); | |
1476 | ||
1477 | /* Create copies of ALIAS and COMMAND without the last word, | |
1478 | and use that to verify the leading elements match. */ | |
a97e29d2 TT |
1479 | std::string alias_prefix_string (argv_to_string (alias_argv, |
1480 | alias_argc - 1)); | |
1481 | std::string command_prefix_string (argv_to_string (alias_argv, | |
1482 | command_argc - 1)); | |
1483 | alias_prefix = alias_prefix_string.c_str (); | |
1484 | command_prefix = command_prefix_string.c_str (); | |
5a56e9c5 DE |
1485 | |
1486 | c_command = lookup_cmd_1 (& command_prefix, cmdlist, NULL, 1); | |
1487 | /* We've already tried to look up COMMAND. */ | |
1488 | gdb_assert (c_command != NULL | |
1489 | && c_command != (struct cmd_list_element *) -1); | |
1490 | gdb_assert (c_command->prefixlist != NULL); | |
1491 | c_alias = lookup_cmd_1 (& alias_prefix, cmdlist, NULL, 1); | |
1492 | if (c_alias != c_command) | |
1493 | error (_("ALIAS and COMMAND prefixes do not match.")); | |
1494 | ||
1495 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
1496 | add_alias_cmd (xstrdup (alias_argv[alias_argc - 1]), | |
1497 | command_argv[command_argc - 1], | |
1498 | class_alias, abbrev_flag, c_command->prefixlist); | |
1499 | } | |
1500 | } | |
d318976c | 1501 | \f |
06871ae8 PA |
1502 | /* Print the file / line number / symbol name of the location |
1503 | specified by SAL. */ | |
1504 | ||
1505 | static void | |
1506 | print_sal_location (const symtab_and_line &sal) | |
1507 | { | |
1508 | scoped_restore_current_program_space restore_pspace; | |
1509 | set_current_program_space (sal.pspace); | |
1510 | ||
1511 | const char *sym_name = NULL; | |
1512 | if (sal.symbol != NULL) | |
1513 | sym_name = SYMBOL_PRINT_NAME (sal.symbol); | |
1514 | printf_filtered (_("file: \"%s\", line number: %d, symbol: \"%s\"\n"), | |
1515 | symtab_to_filename_for_display (sal.symtab), | |
1516 | sal.line, sym_name != NULL ? sym_name : "???"); | |
1517 | } | |
1518 | ||
0378c332 | 1519 | /* Print a list of files and line numbers which a user may choose from |
ebcd3b23 | 1520 | in order to list a function which was specified ambiguously (as |
6c5b2ebe PA |
1521 | with `list classname::overloadedfuncname', for example). The SALS |
1522 | array provides the filenames and line numbers. FORMAT is a | |
1523 | printf-style format string used to tell the user what was | |
e439fa14 | 1524 | ambiguous. */ |
0378c332 FN |
1525 | |
1526 | static void | |
6c5b2ebe PA |
1527 | ambiguous_line_spec (gdb::array_view<const symtab_and_line> sals, |
1528 | const char *format, ...) | |
0378c332 | 1529 | { |
e439fa14 PA |
1530 | va_list ap; |
1531 | va_start (ap, format); | |
1532 | vprintf_filtered (format, ap); | |
1533 | va_end (ap); | |
1534 | ||
6c5b2ebe | 1535 | for (const auto &sal : sals) |
06871ae8 | 1536 | print_sal_location (sal); |
0378c332 FN |
1537 | } |
1538 | ||
6c5b2ebe PA |
1539 | /* Comparison function for filter_sals. Returns a qsort-style |
1540 | result. */ | |
f8eba3c6 TT |
1541 | |
1542 | static int | |
6c5b2ebe | 1543 | cmp_symtabs (const symtab_and_line &sala, const symtab_and_line &salb) |
f8eba3c6 | 1544 | { |
6c5b2ebe PA |
1545 | const char *dira = SYMTAB_DIRNAME (sala.symtab); |
1546 | const char *dirb = SYMTAB_DIRNAME (salb.symtab); | |
f8eba3c6 TT |
1547 | int r; |
1548 | ||
ee6f8984 | 1549 | if (dira == NULL) |
f8eba3c6 | 1550 | { |
ee6f8984 | 1551 | if (dirb != NULL) |
f8eba3c6 TT |
1552 | return -1; |
1553 | } | |
ee6f8984 | 1554 | else if (dirb == NULL) |
f8eba3c6 | 1555 | { |
ee6f8984 | 1556 | if (dira != NULL) |
f8eba3c6 TT |
1557 | return 1; |
1558 | } | |
1559 | else | |
1560 | { | |
ee6f8984 | 1561 | r = filename_cmp (dira, dirb); |
f8eba3c6 TT |
1562 | if (r) |
1563 | return r; | |
1564 | } | |
1565 | ||
6c5b2ebe | 1566 | r = filename_cmp (sala.symtab->filename, salb.symtab->filename); |
f8eba3c6 TT |
1567 | if (r) |
1568 | return r; | |
1569 | ||
6c5b2ebe | 1570 | if (sala.line < salb.line) |
f8eba3c6 | 1571 | return -1; |
6c5b2ebe | 1572 | return sala.line == salb.line ? 0 : 1; |
f8eba3c6 TT |
1573 | } |
1574 | ||
1575 | /* Remove any SALs that do not match the current program space, or | |
1576 | which appear to be "file:line" duplicates. */ | |
1577 | ||
1578 | static void | |
6c5b2ebe | 1579 | filter_sals (std::vector<symtab_and_line> &sals) |
f8eba3c6 | 1580 | { |
6c5b2ebe PA |
1581 | /* Remove SALs that do not match. */ |
1582 | auto from = std::remove_if (sals.begin (), sals.end (), | |
1583 | [&] (const symtab_and_line &sal) | |
1584 | { return (sal.pspace != current_program_space || sal.symtab == NULL); }); | |
1585 | ||
1586 | /* Remove dups. */ | |
1587 | std::sort (sals.begin (), from, | |
1588 | [] (const symtab_and_line &sala, const symtab_and_line &salb) | |
1589 | { return cmp_symtabs (sala, salb) < 0; }); | |
1590 | ||
1591 | from = std::unique (sals.begin (), from, | |
1592 | [&] (const symtab_and_line &sala, | |
1593 | const symtab_and_line &salb) | |
1594 | { return cmp_symtabs (sala, salb) == 0; }); | |
1595 | ||
1596 | sals.erase (from, sals.end ()); | |
f8eba3c6 TT |
1597 | } |
1598 | ||
d318976c | 1599 | static void |
981a3fb3 | 1600 | set_debug (const char *arg, int from_tty) |
d318976c | 1601 | { |
9a2b4c1b MS |
1602 | printf_unfiltered (_("\"set debug\" must be followed by " |
1603 | "the name of a debug subcommand.\n")); | |
635c7e8a | 1604 | help_list (setdebuglist, "set debug ", all_commands, gdb_stdout); |
d318976c FN |
1605 | } |
1606 | ||
1607 | static void | |
981a3fb3 | 1608 | show_debug (const char *args, int from_tty) |
d318976c FN |
1609 | { |
1610 | cmd_show_list (showdebuglist, from_tty, ""); | |
1611 | } | |
1612 | ||
1613 | void | |
1614 | init_cmd_lists (void) | |
1615 | { | |
20f01a46 | 1616 | max_user_call_depth = 1024; |
d318976c FN |
1617 | } |
1618 | ||
920d2a44 AC |
1619 | static void |
1620 | show_info_verbose (struct ui_file *file, int from_tty, | |
1621 | struct cmd_list_element *c, | |
1622 | const char *value) | |
1623 | { | |
1624 | if (info_verbose) | |
9a2b4c1b MS |
1625 | fprintf_filtered (file, |
1626 | _("Verbose printing of informational messages is %s.\n"), | |
1627 | value); | |
920d2a44 AC |
1628 | else |
1629 | fprintf_filtered (file, _("Verbosity is %s.\n"), value); | |
1630 | } | |
1631 | ||
1632 | static void | |
1633 | show_history_expansion_p (struct ui_file *file, int from_tty, | |
1634 | struct cmd_list_element *c, const char *value) | |
1635 | { | |
1636 | fprintf_filtered (file, _("History expansion on command input is %s.\n"), | |
1637 | value); | |
1638 | } | |
1639 | ||
920d2a44 AC |
1640 | static void |
1641 | show_remote_debug (struct ui_file *file, int from_tty, | |
1642 | struct cmd_list_element *c, const char *value) | |
1643 | { | |
1644 | fprintf_filtered (file, _("Debugging of remote protocol is %s.\n"), | |
1645 | value); | |
1646 | } | |
1647 | ||
1648 | static void | |
1649 | show_remote_timeout (struct ui_file *file, int from_tty, | |
1650 | struct cmd_list_element *c, const char *value) | |
1651 | { | |
9a2b4c1b MS |
1652 | fprintf_filtered (file, |
1653 | _("Timeout limit to wait for target to respond is %s.\n"), | |
920d2a44 AC |
1654 | value); |
1655 | } | |
1656 | ||
1657 | static void | |
1658 | show_max_user_call_depth (struct ui_file *file, int from_tty, | |
1659 | struct cmd_list_element *c, const char *value) | |
1660 | { | |
9a2b4c1b MS |
1661 | fprintf_filtered (file, |
1662 | _("The max call depth for user-defined commands is %s.\n"), | |
920d2a44 AC |
1663 | value); |
1664 | } | |
1665 | ||
d318976c | 1666 | void |
43e4916f | 1667 | _initialize_cli_cmds (void) |
d318976c FN |
1668 | { |
1669 | struct cmd_list_element *c; | |
1670 | ||
1671 | /* Define the classes of commands. | |
1bfeeb0f | 1672 | They will appear in the help list in alphabetical order. */ |
d318976c | 1673 | |
0450cc4c | 1674 | add_cmd ("internals", class_maintenance, _("\ |
1a966eab | 1675 | Maintenance commands.\n\ |
d318976c FN |
1676 | Some gdb commands are provided just for use by gdb maintainers.\n\ |
1677 | These commands are subject to frequent change, and may not be as\n\ | |
1a966eab | 1678 | well documented as user commands."), |
d318976c | 1679 | &cmdlist); |
0450cc4c TT |
1680 | add_cmd ("obscure", class_obscure, _("Obscure features."), &cmdlist); |
1681 | add_cmd ("aliases", class_alias, | |
9a2b4c1b | 1682 | _("Aliases of other commands."), &cmdlist); |
0450cc4c | 1683 | add_cmd ("user-defined", class_user, _("\ |
1a966eab | 1684 | User-defined commands.\n\ |
d318976c | 1685 | The commands in this class are those defined by the user.\n\ |
1a966eab | 1686 | Use the \"define\" command to define a command."), &cmdlist); |
0450cc4c | 1687 | add_cmd ("support", class_support, _("Support facilities."), &cmdlist); |
d318976c | 1688 | if (!dbx_commands) |
0450cc4c TT |
1689 | add_cmd ("status", class_info, _("Status inquiries."), &cmdlist); |
1690 | add_cmd ("files", class_files, _("Specifying and examining files."), | |
1a966eab | 1691 | &cmdlist); |
0450cc4c | 1692 | add_cmd ("breakpoints", class_breakpoint, |
1a966eab | 1693 | _("Making program stop at certain points."), &cmdlist); |
0450cc4c TT |
1694 | add_cmd ("data", class_vars, _("Examining data."), &cmdlist); |
1695 | add_cmd ("stack", class_stack, _("\ | |
1a966eab | 1696 | Examining the stack.\n\ |
d318976c FN |
1697 | The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\ |
1698 | counting from zero for the innermost (currently executing) frame.\n\n\ | |
1699 | At any time gdb identifies one frame as the \"selected\" frame.\n\ | |
1700 | Variable lookups are done with respect to the selected frame.\n\ | |
1701 | When the program being debugged stops, gdb selects the innermost frame.\n\ | |
1a966eab | 1702 | The commands below can be used to select other frames by number or address."), |
d318976c | 1703 | &cmdlist); |
0450cc4c | 1704 | add_cmd ("running", class_run, _("Running the program."), &cmdlist); |
d318976c | 1705 | |
ebcd3b23 | 1706 | /* Define general commands. */ |
d318976c | 1707 | |
d729566a | 1708 | add_com ("pwd", class_files, pwd_command, _("\ |
1bedd215 | 1709 | Print working directory. This is used for your program as well.")); |
4f8d22e3 | 1710 | |
1a966eab | 1711 | c = add_cmd ("cd", class_files, cd_command, _("\ |
d092c5a2 SDJ |
1712 | Set working directory to DIR for debugger.\n\ |
1713 | The debugger's current working directory specifies where scripts and other\n\ | |
1714 | files that can be loaded by GDB are located.\n\ | |
1715 | In order to change the inferior's current working directory, the recommended\n\ | |
1716 | way is to use the \"set cwd\" command."), &cmdlist); | |
5ba2abeb | 1717 | set_cmd_completer (c, filename_completer); |
d318976c | 1718 | |
1bedd215 AC |
1719 | add_com ("echo", class_support, echo_command, _("\ |
1720 | Print a constant string. Give string as argument.\n\ | |
d318976c FN |
1721 | C escape sequences may be used in the argument.\n\ |
1722 | No newline is added at the end of the argument;\n\ | |
1723 | use \"\\n\" if you want a newline to be printed.\n\ | |
1724 | Since leading and trailing whitespace are ignored in command arguments,\n\ | |
1725 | if you want to print some you must use \"\\\" before leading whitespace\n\ | |
1bedd215 | 1726 | to be printed or after trailing whitespace.")); |
d318976c | 1727 | |
973817a3 JB |
1728 | add_setshow_enum_cmd ("script-extension", class_support, |
1729 | script_ext_enums, &script_ext_mode, _("\ | |
1730 | Set mode for script filename extension recognition."), _("\ | |
1731 | Show mode for script filename extension recognition."), _("\ | |
1732 | off == no filename extension recognition (all sourced files are GDB scripts)\n\ | |
1733 | soft == evaluate script according to filename extension, fallback to GDB script" | |
1734 | "\n\ | |
1735 | strict == evaluate script according to filename extension, error if not supported" | |
1736 | ), | |
1737 | NULL, | |
1738 | show_script_ext_mode, | |
1739 | &setlist, &showlist); | |
1740 | ||
bdb52a22 TT |
1741 | add_com ("quit", class_support, quit_command, _("\ |
1742 | Exit gdb.\n\ | |
1743 | Usage: quit [EXPR]\n\ | |
1744 | The optional expression EXPR, if present, is evaluated and the result\n\ | |
1745 | used as GDB's exit code. The default is zero.")); | |
1bedd215 AC |
1746 | c = add_com ("help", class_support, help_command, |
1747 | _("Print list of commands.")); | |
5ba2abeb | 1748 | set_cmd_completer (c, command_completer); |
d318976c FN |
1749 | add_com_alias ("q", "quit", class_support, 1); |
1750 | add_com_alias ("h", "help", class_support, 1); | |
1751 | ||
5bf193a2 AC |
1752 | add_setshow_boolean_cmd ("verbose", class_support, &info_verbose, _("\ |
1753 | Set verbosity."), _("\ | |
1754 | Show verbosity."), NULL, | |
1755 | set_verbose, | |
920d2a44 | 1756 | show_info_verbose, |
5bf193a2 | 1757 | &setlist, &showlist); |
d318976c FN |
1758 | |
1759 | add_prefix_cmd ("history", class_support, set_history, | |
1bedd215 | 1760 | _("Generic command for setting command history parameters."), |
d318976c FN |
1761 | &sethistlist, "set history ", 0, &setlist); |
1762 | add_prefix_cmd ("history", class_support, show_history, | |
1bedd215 | 1763 | _("Generic command for showing command history parameters."), |
d318976c FN |
1764 | &showhistlist, "show history ", 0, &showlist); |
1765 | ||
5bf193a2 AC |
1766 | add_setshow_boolean_cmd ("expansion", no_class, &history_expansion_p, _("\ |
1767 | Set history expansion on command input."), _("\ | |
1768 | Show history expansion on command input."), _("\ | |
1769 | Without an argument, history expansion is enabled."), | |
1770 | NULL, | |
920d2a44 | 1771 | show_history_expansion_p, |
5bf193a2 | 1772 | &sethistlist, &showhistlist); |
d318976c | 1773 | |
d729566a | 1774 | add_prefix_cmd ("info", class_info, info_command, _("\ |
1bedd215 | 1775 | Generic command for showing things about the program being debugged."), |
d729566a | 1776 | &infolist, "info ", 0, &cmdlist); |
d318976c | 1777 | add_com_alias ("i", "info", class_info, 1); |
a177aad3 | 1778 | add_com_alias ("inf", "info", class_info, 1); |
d318976c FN |
1779 | |
1780 | add_com ("complete", class_obscure, complete_command, | |
1bedd215 | 1781 | _("List the completions for the rest of the line as a command.")); |
d318976c | 1782 | |
d729566a | 1783 | add_prefix_cmd ("show", class_info, show_command, _("\ |
700b53b1 | 1784 | Generic command for showing things about the debugger."), |
d729566a | 1785 | &showlist, "show ", 0, &cmdlist); |
d318976c | 1786 | /* Another way to get at the same thing. */ |
1bedd215 | 1787 | add_info ("set", show_command, _("Show all GDB settings.")); |
d318976c | 1788 | |
db5f229b | 1789 | add_cmd ("commands", no_set_class, show_commands, _("\ |
1a966eab | 1790 | Show the history of commands you typed.\n\ |
d318976c | 1791 | You can supply a command number to start with, or a `+' to start after\n\ |
1a966eab | 1792 | the previous command number shown."), |
d318976c FN |
1793 | &showlist); |
1794 | ||
db5f229b | 1795 | add_cmd ("version", no_set_class, show_version, |
1a966eab | 1796 | _("Show what version of GDB this is."), &showlist); |
d318976c | 1797 | |
6eaaf48b EZ |
1798 | add_cmd ("configuration", no_set_class, show_configuration, |
1799 | _("Show how GDB was configured at build time."), &showlist); | |
1800 | ||
85c07804 AC |
1801 | add_setshow_zinteger_cmd ("remote", no_class, &remote_debug, _("\ |
1802 | Set debugging of remote protocol."), _("\ | |
1803 | Show debugging of remote protocol."), _("\ | |
d318976c | 1804 | When enabled, each packet sent or received with the remote target\n\ |
85c07804 AC |
1805 | is displayed."), |
1806 | NULL, | |
920d2a44 | 1807 | show_remote_debug, |
85c07804 | 1808 | &setdebuglist, &showdebuglist); |
d318976c | 1809 | |
6fc1c773 YQ |
1810 | add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class, |
1811 | &remote_timeout, _("\ | |
c0d88b1b AC |
1812 | Set timeout limit to wait for target to respond."), _("\ |
1813 | Show timeout limit to wait for target to respond."), _("\ | |
d318976c | 1814 | This value is used to set the time limit for gdb to wait for a response\n\ |
c0d88b1b | 1815 | from the target."), |
6fc1c773 YQ |
1816 | NULL, |
1817 | show_remote_timeout, | |
1818 | &setlist, &showlist); | |
d318976c FN |
1819 | |
1820 | add_prefix_cmd ("debug", no_class, set_debug, | |
1bedd215 | 1821 | _("Generic command for setting gdb debugging flags"), |
d318976c FN |
1822 | &setdebuglist, "set debug ", 0, &setlist); |
1823 | ||
1824 | add_prefix_cmd ("debug", no_class, show_debug, | |
1bedd215 | 1825 | _("Generic command for showing gdb debugging flags"), |
d318976c FN |
1826 | &showdebuglist, "show debug ", 0, &showlist); |
1827 | ||
be47f9e8 | 1828 | c = add_com ("shell", class_support, shell_command, _("\ |
1bedd215 AC |
1829 | Execute the rest of the line as a shell command.\n\ |
1830 | With no arguments, run an inferior shell.")); | |
5ba2abeb | 1831 | set_cmd_completer (c, filename_completer); |
d318976c | 1832 | |
1bedd215 AC |
1833 | c = add_com ("edit", class_files, edit_command, _("\ |
1834 | Edit specified file or function.\n\ | |
0378c332 | 1835 | With no argument, edits file containing most recent line listed.\n\ |
0378c332 FN |
1836 | Editing targets can be specified in these ways:\n\ |
1837 | FILE:LINENUM, to edit at that line in that file,\n\ | |
1838 | FUNCTION, to edit at the beginning of that function,\n\ | |
1839 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1840 | *ADDRESS, to edit at the line containing that address.\n\ | |
1bedd215 | 1841 | Uses EDITOR environment variable contents as editor (or ex as default).")); |
0378c332 FN |
1842 | |
1843 | c->completer = location_completer; | |
1844 | ||
1bedd215 AC |
1845 | add_com ("list", class_files, list_command, _("\ |
1846 | List specified function or line.\n\ | |
0378c332 FN |
1847 | With no argument, lists ten more lines after or around previous listing.\n\ |
1848 | \"list -\" lists the ten lines before a previous ten-line listing.\n\ | |
1849 | One argument specifies a line, and ten lines are listed around that line.\n\ | |
1850 | Two arguments with comma between specify starting and ending lines to list.\n\ | |
0378c332 FN |
1851 | Lines can be specified in these ways:\n\ |
1852 | LINENUM, to list around that line in current file,\n\ | |
1853 | FILE:LINENUM, to list around that line in that file,\n\ | |
1854 | FUNCTION, to list around beginning of that function,\n\ | |
1855 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1856 | *ADDRESS, to list around the line containing that address.\n\ | |
4fdd372d AB |
1857 | With two args, if one is empty, it stands for ten lines away from\n\ |
1858 | the other arg.\n\ | |
1859 | \n\ | |
1860 | By default, when a single location is given, display ten lines.\n\ | |
1861 | This can be changed using \"set listsize\", and the current value\n\ | |
1862 | can be shown using \"show listsize\".")); | |
0378c332 | 1863 | |
4f45d445 | 1864 | add_com_alias ("l", "list", class_files, 1); |
0378c332 FN |
1865 | |
1866 | if (dbx_commands) | |
1867 | add_com_alias ("file", "list", class_files, 1); | |
1868 | ||
1bedd215 AC |
1869 | c = add_com ("disassemble", class_vars, disassemble_command, _("\ |
1870 | Disassemble a specified section of memory.\n\ | |
83c31e7d | 1871 | Default is the function surrounding the pc of the selected frame.\n\ |
6ff0ba5f | 1872 | \n\ |
d14508fe | 1873 | With a /m modifier, source lines are included (if available).\n\ |
6ff0ba5f DE |
1874 | This view is \"source centric\": the output is in source line order,\n\ |
1875 | regardless of any optimization that is present. Only the main source file\n\ | |
1876 | is displayed, not those of, e.g., any inlined functions.\n\ | |
1877 | This modifier hasn't proved useful in practice and is deprecated\n\ | |
1878 | in favor of /s.\n\ | |
1879 | \n\ | |
1880 | With a /s modifier, source lines are included (if available).\n\ | |
1881 | This differs from /m in two important respects:\n\ | |
1882 | - the output is still in pc address order, and\n\ | |
1883 | - file names and contents for all relevant source files are displayed.\n\ | |
1884 | \n\ | |
e6158f16 | 1885 | With a /r modifier, raw instructions in hex are included.\n\ |
6ff0ba5f | 1886 | \n\ |
83c31e7d | 1887 | With a single argument, the function surrounding that address is dumped.\n\ |
53a71c06 | 1888 | Two arguments (separated by a comma) are taken as a range of memory to dump,\n\ |
7e1e0340 DE |
1889 | in the form of \"start,end\", or \"start,+length\".\n\ |
1890 | \n\ | |
1891 | Note that the address is interpreted as an expression, not as a location\n\ | |
1892 | like in the \"break\" command.\n\ | |
1893 | So, for example, if you want to disassemble function bar in file foo.c\n\ | |
1894 | you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\".")); | |
83c31e7d | 1895 | set_cmd_completer (c, location_completer); |
0378c332 | 1896 | |
ed59ded5 | 1897 | add_com_alias ("!", "shell", class_support, 0); |
d318976c | 1898 | |
1bedd215 AC |
1899 | c = add_com ("make", class_support, make_command, _("\ |
1900 | Run the ``make'' program using the rest of the line as arguments.")); | |
5ba2abeb | 1901 | set_cmd_completer (c, filename_completer); |
1a966eab | 1902 | add_cmd ("user", no_class, show_user, _("\ |
ed3ef339 | 1903 | Show definitions of non-python/scheme user defined commands.\n\ |
d318976c | 1904 | Argument is the name of the user defined command.\n\ |
1a966eab | 1905 | With no argument, show definitions of all user defined commands."), &showlist); |
1bedd215 AC |
1906 | add_com ("apropos", class_support, apropos_command, |
1907 | _("Search for commands matching a REGEXP")); | |
20f01a46 | 1908 | |
883b9c6c | 1909 | add_setshow_uinteger_cmd ("max-user-call-depth", no_class, |
c0d88b1b | 1910 | &max_user_call_depth, _("\ |
ed3ef339 DE |
1911 | Set the max call depth for non-python/scheme user-defined commands."), _("\ |
1912 | Show the max call depth for non-python/scheme user-defined commands."), NULL, | |
883b9c6c YQ |
1913 | NULL, |
1914 | show_max_user_call_depth, | |
1915 | &setlist, &showlist); | |
16026cd7 AS |
1916 | |
1917 | add_setshow_boolean_cmd ("trace-commands", no_class, &trace_commands, _("\ | |
1918 | Set tracing of GDB CLI commands."), _("\ | |
1919 | Show state of GDB CLI command tracing."), _("\ | |
1920 | When 'on', each command is displayed as it is executed."), | |
1921 | NULL, | |
1922 | NULL, | |
1923 | &setlist, &showlist); | |
5a56e9c5 DE |
1924 | |
1925 | c = add_com ("alias", class_support, alias_command, _("\ | |
1926 | Define a new command that is an alias of an existing command.\n\ | |
1927 | Usage: alias [-a] [--] ALIAS = COMMAND\n\ | |
1928 | ALIAS is the name of the alias command to create.\n\ | |
1929 | COMMAND is the command being aliased to.\n\ | |
1930 | If \"-a\" is specified, the command is an abbreviation,\n\ | |
1931 | and will not appear in help command list output.\n\ | |
1932 | \n\ | |
1933 | Examples:\n\ | |
1934 | Make \"spe\" an alias of \"set print elements\":\n\ | |
1935 | alias spe = set print elements\n\ | |
1936 | Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\ | |
1937 | alias -a set print elms = set print elements")); | |
d318976c | 1938 | } |
43e4916f TT |
1939 | |
1940 | void | |
1941 | init_cli_cmds (void) | |
1942 | { | |
1943 | struct cmd_list_element *c; | |
1944 | char *source_help_text; | |
1945 | ||
1946 | source_help_text = xstrprintf (_("\ | |
1947 | Read commands from a file named FILE.\n\ | |
1948 | \n\ | |
1949 | Usage: source [-s] [-v] FILE\n\ | |
1950 | -s: search for the script in the source search path,\n\ | |
1951 | even if FILE contains directories.\n\ | |
1952 | -v: each command in FILE is echoed as it is executed.\n\ | |
1953 | \n\ | |
1954 | Note that the file \"%s\" is read automatically in this way\n\ | |
1955 | when GDB is started."), gdbinit); | |
1956 | c = add_cmd ("source", class_support, source_command, | |
1957 | source_help_text, &cmdlist); | |
1958 | set_cmd_completer (c, filename_completer); | |
1959 | } |