Commit | Line | Data |
---|---|---|
d318976c | 1 | /* GDB CLI commands. |
8926118c | 2 | |
42a4f53d | 3 | Copyright (C) 2000-2019 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 | 25 | #include "target.h" /* For baud_rate, remote_debug and remote_timeout. */ |
0747795c | 26 | #include "common/gdb_wait.h" /* For shell escape implementation. */ |
ebcd3b23 | 27 | #include "gdb_regex.h" /* Used by apropos_command. */ |
325ed089 | 28 | #include "gdb_vfork.h" |
0378c332 FN |
29 | #include "linespec.h" |
30 | #include "expression.h" | |
83c31e7d FN |
31 | #include "frame.h" |
32 | #include "value.h" | |
0378c332 | 33 | #include "language.h" |
ebcd3b23 | 34 | #include "filenames.h" /* For DOSish file names. */ |
0378c332 FN |
35 | #include "objfiles.h" |
36 | #include "source.h" | |
83c31e7d | 37 | #include "disasm.h" |
33da3f1c | 38 | #include "tracepoint.h" |
0747795c | 39 | #include "common/filestuff.h" |
f00aae0f | 40 | #include "location.h" |
e9480230 | 41 | #include "block.h" |
d318976c | 42 | |
d318976c | 43 | #include "ui-out.h" |
d318976c FN |
44 | |
45 | #include "top.h" | |
46 | #include "cli/cli-decode.h" | |
47 | #include "cli/cli-script.h" | |
48 | #include "cli/cli-setshow.h" | |
49 | #include "cli/cli-cmds.h" | |
529480d0 | 50 | #include "cli/cli-utils.h" |
d318976c | 51 | |
6dddc817 | 52 | #include "extension.h" |
974e6844 | 53 | #include "common/pathstuff.h" |
973817a3 | 54 | |
6a83354a | 55 | #ifdef TUI |
ebcd3b23 | 56 | #include "tui/tui.h" /* For tui_active et.al. */ |
6a83354a AC |
57 | #endif |
58 | ||
4b505b12 | 59 | #include <fcntl.h> |
325fac50 | 60 | #include <algorithm> |
a97e29d2 | 61 | #include <string> |
4b505b12 | 62 | |
0378c332 FN |
63 | /* Prototypes for local utility functions */ |
64 | ||
06871ae8 PA |
65 | static void print_sal_location (const symtab_and_line &sal); |
66 | ||
6c5b2ebe | 67 | static void ambiguous_line_spec (gdb::array_view<const symtab_and_line> sals, |
e439fa14 PA |
68 | const char *format, ...) |
69 | ATTRIBUTE_PRINTF (2, 3); | |
f8eba3c6 | 70 | |
6c5b2ebe | 71 | static void filter_sals (std::vector<symtab_and_line> &); |
f8eba3c6 | 72 | |
d318976c | 73 | \f |
20f01a46 | 74 | /* Limit the call depth of user-defined commands */ |
883b9c6c | 75 | unsigned int max_user_call_depth; |
20f01a46 | 76 | |
d318976c FN |
77 | /* Define all cmd_list_elements. */ |
78 | ||
79 | /* Chain containing all defined commands. */ | |
80 | ||
81 | struct cmd_list_element *cmdlist; | |
82 | ||
83 | /* Chain containing all defined info subcommands. */ | |
84 | ||
85 | struct cmd_list_element *infolist; | |
86 | ||
ebcd3b23 | 87 | /* Chain containing all defined enable subcommands. */ |
d318976c FN |
88 | |
89 | struct cmd_list_element *enablelist; | |
90 | ||
ebcd3b23 | 91 | /* Chain containing all defined disable subcommands. */ |
d318976c FN |
92 | |
93 | struct cmd_list_element *disablelist; | |
94 | ||
ebcd3b23 | 95 | /* Chain containing all defined stop subcommands. */ |
d318976c FN |
96 | |
97 | struct cmd_list_element *stoplist; | |
98 | ||
ebcd3b23 | 99 | /* Chain containing all defined delete subcommands. */ |
d318976c FN |
100 | |
101 | struct cmd_list_element *deletelist; | |
102 | ||
ebcd3b23 | 103 | /* Chain containing all defined detach subcommands. */ |
f73adfeb AS |
104 | |
105 | struct cmd_list_element *detachlist; | |
106 | ||
ebcd3b23 | 107 | /* Chain containing all defined kill subcommands. */ |
2277426b PA |
108 | |
109 | struct cmd_list_element *killlist; | |
110 | ||
d318976c FN |
111 | /* Chain containing all defined set subcommands */ |
112 | ||
113 | struct cmd_list_element *setlist; | |
114 | ||
115 | /* Chain containing all defined unset subcommands */ | |
116 | ||
117 | struct cmd_list_element *unsetlist; | |
118 | ||
119 | /* Chain containing all defined show subcommands. */ | |
120 | ||
121 | struct cmd_list_element *showlist; | |
122 | ||
123 | /* Chain containing all defined \"set history\". */ | |
124 | ||
125 | struct cmd_list_element *sethistlist; | |
126 | ||
127 | /* Chain containing all defined \"show history\". */ | |
128 | ||
129 | struct cmd_list_element *showhistlist; | |
130 | ||
131 | /* Chain containing all defined \"unset history\". */ | |
132 | ||
133 | struct cmd_list_element *unsethistlist; | |
134 | ||
ebcd3b23 | 135 | /* Chain containing all defined maintenance subcommands. */ |
d318976c FN |
136 | |
137 | struct cmd_list_element *maintenancelist; | |
138 | ||
ebcd3b23 | 139 | /* Chain containing all defined "maintenance info" subcommands. */ |
d318976c FN |
140 | |
141 | struct cmd_list_element *maintenanceinfolist; | |
142 | ||
ebcd3b23 | 143 | /* Chain containing all defined "maintenance print" subcommands. */ |
d318976c FN |
144 | |
145 | struct cmd_list_element *maintenanceprintlist; | |
146 | ||
27d41eac YQ |
147 | /* Chain containing all defined "maintenance check" subcommands. */ |
148 | ||
149 | struct cmd_list_element *maintenancechecklist; | |
150 | ||
d318976c FN |
151 | struct cmd_list_element *setprintlist; |
152 | ||
153 | struct cmd_list_element *showprintlist; | |
154 | ||
155 | struct cmd_list_element *setdebuglist; | |
156 | ||
157 | struct cmd_list_element *showdebuglist; | |
158 | ||
159 | struct cmd_list_element *setchecklist; | |
160 | ||
161 | struct cmd_list_element *showchecklist; | |
16026cd7 AS |
162 | |
163 | /* Command tracing state. */ | |
164 | ||
165 | int source_verbose = 0; | |
166 | int trace_commands = 0; | |
d318976c | 167 | \f |
973817a3 JB |
168 | /* 'script-extension' option support. */ |
169 | ||
170 | static const char script_ext_off[] = "off"; | |
171 | static const char script_ext_soft[] = "soft"; | |
172 | static const char script_ext_strict[] = "strict"; | |
173 | ||
40478521 | 174 | static const char *const script_ext_enums[] = { |
973817a3 JB |
175 | script_ext_off, |
176 | script_ext_soft, | |
177 | script_ext_strict, | |
178 | NULL | |
179 | }; | |
180 | ||
181 | static const char *script_ext_mode = script_ext_soft; | |
182 | \f | |
d318976c | 183 | /* Utility used everywhere when at least one argument is needed and |
ebcd3b23 | 184 | none is supplied. */ |
d318976c FN |
185 | |
186 | void | |
5b10184c | 187 | error_no_arg (const char *why) |
d318976c | 188 | { |
8a3fe4f8 | 189 | error (_("Argument required (%s)."), why); |
d318976c FN |
190 | } |
191 | ||
192 | /* The "info" command is defined as a prefix, with allow_unknown = 0. | |
ebcd3b23 MS |
193 | Therefore, its own definition is called only for "info" with no |
194 | args. */ | |
d318976c | 195 | |
d318976c | 196 | static void |
981a3fb3 | 197 | info_command (const char *arg, int from_tty) |
d318976c | 198 | { |
9a2b4c1b MS |
199 | printf_unfiltered (_("\"info\" must be followed by " |
200 | "the name of an info command.\n")); | |
635c7e8a | 201 | help_list (infolist, "info ", all_commands, gdb_stdout); |
d318976c FN |
202 | } |
203 | ||
204 | /* The "show" command with no arguments shows all the settings. */ | |
205 | ||
981a3fb3 TT |
206 | static void |
207 | show_command (const char *arg, int from_tty) | |
208 | { | |
209 | cmd_show_list (showlist, from_tty, ""); | |
210 | } | |
211 | ||
d318976c FN |
212 | \f |
213 | /* Provide documentation on command or list given by COMMAND. FROM_TTY | |
214 | is ignored. */ | |
215 | ||
d318976c | 216 | static void |
0b39b52e | 217 | help_command (const char *command, int from_tty) |
d318976c FN |
218 | { |
219 | help_cmd (command, gdb_stdout); | |
220 | } | |
221 | \f | |
eb3ff9a5 | 222 | |
ef0b411a GB |
223 | /* Note: The "complete" command is used by Emacs to implement completion. |
224 | [Is that why this function writes output with *_unfiltered?] */ | |
d318976c | 225 | |
d318976c | 226 | static void |
0b39b52e | 227 | complete_command (const char *arg, int from_tty) |
d318976c | 228 | { |
d318976c FN |
229 | dont_repeat (); |
230 | ||
ef0b411a GB |
231 | if (max_completions == 0) |
232 | { | |
233 | /* Only print this for non-mi frontends. An MI frontend may not | |
234 | be able to handle this. */ | |
112e8700 | 235 | if (!current_uiout->is_mi_like_p ()) |
ef0b411a GB |
236 | { |
237 | printf_unfiltered (_("max-completions is zero," | |
238 | " completion is disabled.\n")); | |
239 | } | |
240 | return; | |
241 | } | |
242 | ||
d318976c FN |
243 | if (arg == NULL) |
244 | arg = ""; | |
d9b52655 | 245 | |
6a2c1b87 | 246 | completion_tracker tracker_handle_brkchars; |
eb3ff9a5 | 247 | completion_tracker tracker_handle_completions; |
c6756f62 | 248 | completion_tracker *tracker; |
83d31a92 | 249 | |
6a2c1b87 PA |
250 | int quote_char = '\0'; |
251 | const char *word; | |
252 | ||
a70b8144 | 253 | try |
d318976c | 254 | { |
6a2c1b87 PA |
255 | word = completion_find_completion_word (tracker_handle_brkchars, |
256 | arg, "e_char); | |
257 | ||
c6756f62 PA |
258 | /* Completers that provide a custom word point in the |
259 | handle_brkchars phase also compute their completions then. | |
260 | Completers that leave the completion word handling to readline | |
261 | must be called twice. */ | |
262 | if (tracker_handle_brkchars.use_custom_word_point ()) | |
263 | tracker = &tracker_handle_brkchars; | |
264 | else | |
265 | { | |
266 | complete_line (tracker_handle_completions, word, arg, strlen (arg)); | |
267 | tracker = &tracker_handle_completions; | |
268 | } | |
eb3ff9a5 | 269 | } |
230d2906 | 270 | catch (const gdb_exception &ex) |
eb3ff9a5 PA |
271 | { |
272 | return; | |
273 | } | |
274 | ||
6a2c1b87 | 275 | std::string arg_prefix (arg, word - arg); |
83d31a92 | 276 | |
eb3ff9a5 | 277 | completion_result result |
c6756f62 | 278 | = tracker->build_completion_result (word, word - arg, strlen (arg)); |
83d31a92 | 279 | |
eb3ff9a5 PA |
280 | if (result.number_matches != 0) |
281 | { | |
282 | if (result.number_matches == 1) | |
283 | printf_unfiltered ("%s%s\n", arg_prefix.c_str (), result.match_list[0]); | |
284 | else | |
83d31a92 | 285 | { |
eb3ff9a5 PA |
286 | result.sort_match_list (); |
287 | ||
288 | for (size_t i = 0; i < result.number_matches; i++) | |
83d31a92 | 289 | { |
eb3ff9a5 PA |
290 | printf_unfiltered ("%s%s", |
291 | arg_prefix.c_str (), | |
292 | result.match_list[i + 1]); | |
6a2c1b87 PA |
293 | if (quote_char) |
294 | printf_unfiltered ("%c", quote_char); | |
eb3ff9a5 | 295 | printf_unfiltered ("\n"); |
83d31a92 | 296 | } |
83d31a92 TT |
297 | } |
298 | ||
eb3ff9a5 | 299 | if (result.number_matches == max_completions) |
ef0b411a | 300 | { |
6a2c1b87 | 301 | /* ARG_PREFIX and WORD are included in the output so that emacs |
ef0b411a GB |
302 | will include the message in the output. */ |
303 | printf_unfiltered (_("%s%s %s\n"), | |
6a2c1b87 | 304 | arg_prefix.c_str (), word, |
ef0b411a GB |
305 | get_max_completions_reached_message ()); |
306 | } | |
d318976c FN |
307 | } |
308 | } | |
309 | ||
bbaca940 AC |
310 | int |
311 | is_complete_command (struct cmd_list_element *c) | |
d318976c | 312 | { |
bbaca940 | 313 | return cmd_cfunc_eq (c, complete_command); |
d318976c FN |
314 | } |
315 | ||
d318976c | 316 | static void |
dede02ce | 317 | show_version (const char *args, int from_tty) |
d318976c | 318 | { |
c61b06a1 | 319 | print_gdb_version (gdb_stdout, true); |
d318976c | 320 | printf_filtered ("\n"); |
d318976c FN |
321 | } |
322 | ||
6eaaf48b | 323 | static void |
dede02ce | 324 | show_configuration (const char *args, int from_tty) |
6eaaf48b EZ |
325 | { |
326 | print_gdb_configuration (gdb_stdout); | |
327 | } | |
328 | ||
d318976c FN |
329 | /* Handle the quit command. */ |
330 | ||
331 | void | |
0b39b52e | 332 | quit_command (const char *args, int from_tty) |
d318976c | 333 | { |
36cf1806 TT |
334 | int exit_code = 0; |
335 | ||
336 | /* An optional expression may be used to cause gdb to terminate with | |
337 | the value of that expression. */ | |
338 | if (args) | |
339 | { | |
340 | struct value *val = parse_and_eval (args); | |
341 | ||
342 | exit_code = (int) value_as_long (val); | |
343 | } | |
344 | ||
d318976c | 345 | if (!quit_confirm ()) |
8a3fe4f8 | 346 | error (_("Not confirmed.")); |
d5551862 | 347 | |
2f9d54cf | 348 | query_if_trace_running (from_tty); |
d5551862 | 349 | |
36cf1806 | 350 | quit_force (args ? &exit_code : NULL, from_tty); |
d318976c FN |
351 | } |
352 | ||
d318976c | 353 | static void |
0b39b52e | 354 | pwd_command (const char *args, int from_tty) |
d318976c FN |
355 | { |
356 | if (args) | |
8a3fe4f8 | 357 | error (_("The \"pwd\" command does not take an argument: %s"), args); |
43573013 SDJ |
358 | |
359 | gdb::unique_xmalloc_ptr<char> cwd (getcwd (NULL, 0)); | |
360 | ||
361 | if (cwd == NULL) | |
bf1d7d9c JB |
362 | error (_("Error finding name of working directory: %s"), |
363 | safe_strerror (errno)); | |
d318976c | 364 | |
43573013 | 365 | if (strcmp (cwd.get (), current_directory) != 0) |
a3f17187 | 366 | printf_unfiltered (_("Working directory %s\n (canonically %s).\n"), |
43573013 | 367 | current_directory, cwd.get ()); |
d318976c | 368 | else |
a3f17187 | 369 | printf_unfiltered (_("Working directory %s.\n"), current_directory); |
d318976c FN |
370 | } |
371 | ||
372 | void | |
5e93d4c6 | 373 | cd_command (const char *dir, int from_tty) |
d318976c FN |
374 | { |
375 | int len; | |
376 | /* Found something other than leading repetitions of "/..". */ | |
377 | int found_real_path; | |
378 | char *p; | |
379 | ||
380 | /* If the new directory is absolute, repeat is a no-op; if relative, | |
381 | repeat might be useful but is more likely to be a mistake. */ | |
382 | dont_repeat (); | |
383 | ||
6eecf35f TT |
384 | gdb::unique_xmalloc_ptr<char> dir_holder |
385 | (tilde_expand (dir != NULL ? dir : "~")); | |
386 | dir = dir_holder.get (); | |
d318976c FN |
387 | |
388 | if (chdir (dir) < 0) | |
389 | perror_with_name (dir); | |
390 | ||
c3690141 | 391 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
d318976c FN |
392 | /* There's too much mess with DOSish names like "d:", "d:.", |
393 | "d:./foo" etc. Instead of having lots of special #ifdef'ed code, | |
394 | simply get the canonicalized name of the current directory. */ | |
43573013 SDJ |
395 | gdb::unique_xmalloc_ptr<char> cwd (getcwd (NULL, 0)); |
396 | dir = cwd.get (); | |
d318976c FN |
397 | #endif |
398 | ||
399 | len = strlen (dir); | |
fe4e3eb8 | 400 | if (IS_DIR_SEPARATOR (dir[len - 1])) |
d318976c FN |
401 | { |
402 | /* Remove the trailing slash unless this is a root directory | |
403 | (including a drive letter on non-Unix systems). */ | |
404 | if (!(len == 1) /* "/" */ | |
c3690141 | 405 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
fe4e3eb8 | 406 | && !(len == 3 && dir[1] == ':') /* "d:/" */ |
d318976c FN |
407 | #endif |
408 | ) | |
409 | len--; | |
410 | } | |
411 | ||
6eecf35f TT |
412 | dir_holder.reset (savestring (dir, len)); |
413 | if (IS_ABSOLUTE_PATH (dir_holder.get ())) | |
43573013 SDJ |
414 | { |
415 | xfree (current_directory); | |
416 | current_directory = dir_holder.release (); | |
417 | } | |
d318976c FN |
418 | else |
419 | { | |
fe4e3eb8 | 420 | if (IS_DIR_SEPARATOR (current_directory[strlen (current_directory) - 1])) |
6eecf35f TT |
421 | current_directory = concat (current_directory, dir_holder.get (), |
422 | (char *) NULL); | |
d318976c | 423 | else |
1754f103 | 424 | current_directory = concat (current_directory, SLASH_STRING, |
6eecf35f | 425 | dir_holder.get (), (char *) NULL); |
d318976c FN |
426 | } |
427 | ||
428 | /* Now simplify any occurrences of `.' and `..' in the pathname. */ | |
429 | ||
430 | found_real_path = 0; | |
431 | for (p = current_directory; *p;) | |
432 | { | |
fe4e3eb8 EZ |
433 | if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' |
434 | && (p[2] == 0 || IS_DIR_SEPARATOR (p[2]))) | |
b2a3b509 | 435 | memmove (p, p + 2, strlen (p + 2) + 1); |
fe4e3eb8 EZ |
436 | else if (IS_DIR_SEPARATOR (p[0]) && p[1] == '.' && p[2] == '.' |
437 | && (p[3] == 0 || IS_DIR_SEPARATOR (p[3]))) | |
d318976c FN |
438 | { |
439 | if (found_real_path) | |
440 | { | |
441 | /* Search backwards for the directory just before the "/.." | |
442 | and obliterate it and the "/..". */ | |
443 | char *q = p; | |
cdb27c12 | 444 | |
fe4e3eb8 | 445 | while (q != current_directory && !IS_DIR_SEPARATOR (q[-1])) |
d318976c FN |
446 | --q; |
447 | ||
448 | if (q == current_directory) | |
449 | /* current_directory is | |
450 | a relative pathname ("can't happen"--leave it alone). */ | |
451 | ++p; | |
452 | else | |
453 | { | |
b2a3b509 | 454 | memmove (q - 1, p + 3, strlen (p + 3) + 1); |
d318976c FN |
455 | p = q - 1; |
456 | } | |
457 | } | |
458 | else | |
ebcd3b23 MS |
459 | /* We are dealing with leading repetitions of "/..", for |
460 | example "/../..", which is the Mach super-root. */ | |
d318976c FN |
461 | p += 3; |
462 | } | |
463 | else | |
464 | { | |
465 | found_real_path = 1; | |
466 | ++p; | |
467 | } | |
468 | } | |
469 | ||
470 | forget_cached_source_info (); | |
471 | ||
472 | if (from_tty) | |
473 | pwd_command ((char *) 0, 1); | |
474 | } | |
475 | \f | |
973817a3 JB |
476 | /* Show the current value of the 'script-extension' option. */ |
477 | ||
478 | static void | |
479 | show_script_ext_mode (struct ui_file *file, int from_tty, | |
480 | struct cmd_list_element *c, const char *value) | |
d318976c | 481 | { |
9a2b4c1b MS |
482 | fprintf_filtered (file, |
483 | _("Script filename extension recognition is \"%s\".\n"), | |
973817a3 JB |
484 | value); |
485 | } | |
486 | ||
3f7b2faa DE |
487 | /* Try to open SCRIPT_FILE. |
488 | If successful, the full path name is stored in *FULL_PATHP, | |
ed166945 TT |
489 | and the stream is returned. |
490 | If not successful, return NULL; errno is set for the last file | |
3f7b2faa DE |
491 | we tried to open. |
492 | ||
493 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
f5b95b50 | 494 | search for it in the source search path. */ |
3f7b2faa | 495 | |
ed166945 TT |
496 | gdb::optional<open_script> |
497 | find_and_open_script (const char *script_file, int search_path) | |
973817a3 | 498 | { |
4b505b12 | 499 | int fd; |
24b9144d | 500 | openp_flags search_flags = OPF_TRY_CWD_FIRST | OPF_RETURN_REALPATH; |
ed166945 | 501 | gdb::optional<open_script> opened; |
d318976c | 502 | |
ee0c3293 | 503 | gdb::unique_xmalloc_ptr<char> file (tilde_expand (script_file)); |
d318976c | 504 | |
3f7b2faa DE |
505 | if (search_path) |
506 | search_flags |= OPF_SEARCH_IN_PATH; | |
4b505b12 | 507 | |
3f7b2faa DE |
508 | /* Search for and open 'file' on the search path used for source |
509 | files. Put the full location in *FULL_PATHP. */ | |
e0cc99a6 | 510 | gdb::unique_xmalloc_ptr<char> full_path; |
3f7b2faa | 511 | fd = openp (source_path, search_flags, |
e0cc99a6 | 512 | file.get (), O_RDONLY, &full_path); |
4b505b12 AS |
513 | |
514 | if (fd == -1) | |
ee0c3293 | 515 | return opened; |
973817a3 | 516 | |
ed166945 TT |
517 | FILE *result = fdopen (fd, FOPEN_RT); |
518 | if (result == NULL) | |
77a35dd8 JK |
519 | { |
520 | int save_errno = errno; | |
521 | ||
522 | close (fd); | |
77a35dd8 | 523 | errno = save_errno; |
77a35dd8 | 524 | } |
ed166945 TT |
525 | else |
526 | opened.emplace (gdb_file_up (result), std::move (full_path)); | |
77a35dd8 | 527 | |
ed166945 | 528 | return opened; |
973817a3 JB |
529 | } |
530 | ||
1a70ae97 DE |
531 | /* Load script FILE, which has already been opened as STREAM. |
532 | FILE_TO_OPEN is the form of FILE to use if one needs to open the file. | |
533 | This is provided as FILE may have been found via the source search path. | |
534 | An important thing to note here is that FILE may be a symlink to a file | |
535 | with a different or non-existing suffix, and thus one cannot infer the | |
536 | extension language from FILE_TO_OPEN. */ | |
973817a3 | 537 | |
3f7b2faa | 538 | static void |
1a70ae97 DE |
539 | source_script_from_stream (FILE *stream, const char *file, |
540 | const char *file_to_open) | |
3f7b2faa | 541 | { |
6dddc817 | 542 | if (script_ext_mode != script_ext_off) |
973817a3 | 543 | { |
6dddc817 DE |
544 | const struct extension_language_defn *extlang |
545 | = get_ext_lang_of_file (file); | |
546 | ||
547 | if (extlang != NULL) | |
973817a3 | 548 | { |
6dddc817 DE |
549 | if (ext_lang_present_p (extlang)) |
550 | { | |
551 | script_sourcer_func *sourcer | |
552 | = ext_lang_script_sourcer (extlang); | |
553 | ||
554 | gdb_assert (sourcer != NULL); | |
1a70ae97 | 555 | sourcer (extlang, stream, file_to_open); |
6dddc817 DE |
556 | return; |
557 | } | |
558 | else if (script_ext_mode == script_ext_soft) | |
559 | { | |
560 | /* Assume the file is a gdb script. | |
561 | This is handled below. */ | |
562 | } | |
563 | else | |
564 | throw_ext_lang_unsupported (extlang); | |
973817a3 JB |
565 | } |
566 | } | |
6dddc817 DE |
567 | |
568 | script_from_file (stream, file); | |
3f7b2faa | 569 | } |
d318976c | 570 | |
3f7b2faa DE |
571 | /* Worker to perform the "source" command. |
572 | Load script FILE. | |
573 | If SEARCH_PATH is non-zero, and the file isn't found in cwd, | |
574 | search for it in the source search path. */ | |
575 | ||
576 | static void | |
577 | source_script_with_search (const char *file, int from_tty, int search_path) | |
578 | { | |
3f7b2faa DE |
579 | |
580 | if (file == NULL || *file == 0) | |
581 | error (_("source command requires file name of file to source.")); | |
582 | ||
ed166945 TT |
583 | gdb::optional<open_script> opened = find_and_open_script (file, search_path); |
584 | if (!opened) | |
3f7b2faa | 585 | { |
d234ef5c | 586 | /* The script wasn't found, or was otherwise inaccessible. |
ebcd3b23 MS |
587 | If the source command was invoked interactively, throw an |
588 | error. Otherwise (e.g. if it was invoked by a script), | |
7c647d61 | 589 | just emit a warning, rather than cause an error. */ |
3f7b2faa DE |
590 | if (from_tty) |
591 | perror_with_name (file); | |
592 | else | |
7c647d61 JB |
593 | { |
594 | perror_warning_with_name (file); | |
595 | return; | |
596 | } | |
3f7b2faa DE |
597 | } |
598 | ||
d234ef5c DE |
599 | /* The python support reopens the file, so we need to pass full_path here |
600 | in case the file was found on the search path. It's useful to do this | |
601 | anyway so that error messages show the actual file used. But only do | |
602 | this if we (may have) used search_path, as printing the full path in | |
603 | errors for the non-search case can be more noise than signal. */ | |
ed166945 TT |
604 | source_script_from_stream (opened->stream.get (), file, |
605 | search_path ? opened->full_path.get () : file); | |
d318976c FN |
606 | } |
607 | ||
3f7b2faa DE |
608 | /* Wrapper around source_script_with_search to export it to main.c |
609 | for use in loading .gdbinit scripts. */ | |
610 | ||
611 | void | |
50dd9793 | 612 | source_script (const char *file, int from_tty) |
3f7b2faa DE |
613 | { |
614 | source_script_with_search (file, from_tty, 0); | |
615 | } | |
616 | ||
16026cd7 | 617 | static void |
dede02ce | 618 | source_command (const char *args, int from_tty) |
16026cd7 | 619 | { |
dede02ce | 620 | const char *file = args; |
3f7b2faa | 621 | int search_path = 0; |
16026cd7 | 622 | |
2ec845e7 | 623 | scoped_restore save_source_verbose = make_scoped_restore (&source_verbose); |
16026cd7 AS |
624 | |
625 | /* -v causes the source command to run in verbose mode. | |
3f7b2faa DE |
626 | -s causes the file to be searched in the source search path, |
627 | even if the file name contains a '/'. | |
16026cd7 AS |
628 | We still have to be able to handle filenames with spaces in a |
629 | backward compatible way, so buildargv is not appropriate. */ | |
630 | ||
631 | if (args) | |
632 | { | |
3f7b2faa | 633 | while (args[0] != '\0') |
16026cd7 | 634 | { |
ebcd3b23 MS |
635 | /* Make sure leading white space does not break the |
636 | comparisons. */ | |
529480d0 | 637 | args = skip_spaces (args); |
3f7b2faa DE |
638 | |
639 | if (args[0] != '-') | |
640 | break; | |
641 | ||
642 | if (args[1] == 'v' && isspace (args[2])) | |
643 | { | |
644 | source_verbose = 1; | |
645 | ||
646 | /* Skip passed -v. */ | |
647 | args = &args[3]; | |
648 | } | |
649 | else if (args[1] == 's' && isspace (args[2])) | |
650 | { | |
651 | search_path = 1; | |
16026cd7 | 652 | |
3f7b2faa DE |
653 | /* Skip passed -s. */ |
654 | args = &args[3]; | |
655 | } | |
656 | else | |
657 | break; | |
16026cd7 | 658 | } |
3f7b2faa | 659 | |
529480d0 | 660 | file = skip_spaces (args); |
16026cd7 AS |
661 | } |
662 | ||
3f7b2faa | 663 | source_script_with_search (file, from_tty, search_path); |
16026cd7 AS |
664 | } |
665 | ||
666 | ||
d318976c | 667 | static void |
0b39b52e | 668 | echo_command (const char *text, int from_tty) |
d318976c | 669 | { |
d7561cbb | 670 | const char *p = text; |
d5b5ac79 | 671 | int c; |
d318976c FN |
672 | |
673 | if (text) | |
674 | while ((c = *p++) != '\0') | |
675 | { | |
676 | if (c == '\\') | |
677 | { | |
678 | /* \ at end of argument is used after spaces | |
679 | so they won't be lost. */ | |
680 | if (*p == 0) | |
681 | return; | |
682 | ||
f870a310 | 683 | c = parse_escape (get_current_arch (), &p); |
d318976c FN |
684 | if (c >= 0) |
685 | printf_filtered ("%c", c); | |
686 | } | |
687 | else | |
688 | printf_filtered ("%c", c); | |
689 | } | |
690 | ||
ef1dfa36 TT |
691 | reset_terminal_style (gdb_stdout); |
692 | ||
d318976c FN |
693 | /* Force this output to appear now. */ |
694 | wrap_here (""); | |
695 | gdb_flush (gdb_stdout); | |
696 | } | |
697 | ||
d318976c | 698 | static void |
be47f9e8 | 699 | shell_escape (const char *arg, int from_tty) |
d318976c | 700 | { |
9b265ec2 MM |
701 | #if defined(CANT_FORK) || \ |
702 | (!defined(HAVE_WORKING_VFORK) && !defined(HAVE_WORKING_FORK)) | |
d318976c FN |
703 | /* If ARG is NULL, they want an inferior shell, but `system' just |
704 | reports if the shell is available when passed a NULL arg. */ | |
705 | int rc = system (arg ? arg : ""); | |
706 | ||
707 | if (!arg) | |
708 | arg = "inferior shell"; | |
709 | ||
710 | if (rc == -1) | |
c119e040 TT |
711 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", arg, |
712 | safe_strerror (errno)); | |
d318976c | 713 | else if (rc) |
c119e040 | 714 | fprintf_unfiltered (gdb_stderr, "%s exited with status %d\n", arg, rc); |
2584159e | 715 | #ifdef GLOBAL_CURDIR |
ebcd3b23 MS |
716 | /* Make sure to return to the directory GDB thinks it is, in case |
717 | the shell command we just ran changed it. */ | |
d318976c FN |
718 | chdir (current_directory); |
719 | #endif | |
720 | #else /* Can fork. */ | |
5be4dfca | 721 | int status, pid; |
d318976c | 722 | |
325ed089 | 723 | if ((pid = vfork ()) == 0) |
d318976c | 724 | { |
974e6844 | 725 | const char *p, *user_shell = get_shell (); |
30e94205 | 726 | |
614c279d TT |
727 | close_most_fds (); |
728 | ||
ebcd3b23 | 729 | /* Get the name of the shell for arg0. */ |
9f37bbcc | 730 | p = lbasename (user_shell); |
30e94205 | 731 | |
d318976c | 732 | if (!arg) |
36662fde | 733 | execl (user_shell, p, (char *) 0); |
d318976c | 734 | else |
36662fde | 735 | execl (user_shell, p, "-c", arg, (char *) 0); |
d318976c FN |
736 | |
737 | fprintf_unfiltered (gdb_stderr, "Cannot execute %s: %s\n", user_shell, | |
738 | safe_strerror (errno)); | |
d318976c FN |
739 | _exit (0177); |
740 | } | |
741 | ||
742 | if (pid != -1) | |
5be4dfca | 743 | waitpid (pid, &status, 0); |
d318976c | 744 | else |
8a3fe4f8 | 745 | error (_("Fork failed")); |
d318976c FN |
746 | #endif /* Can fork. */ |
747 | } | |
748 | ||
be47f9e8 PA |
749 | /* Implementation of the "shell" command. */ |
750 | ||
751 | static void | |
0b39b52e | 752 | shell_command (const char *arg, int from_tty) |
be47f9e8 PA |
753 | { |
754 | shell_escape (arg, from_tty); | |
755 | } | |
756 | ||
0378c332 | 757 | static void |
0b39b52e | 758 | edit_command (const char *arg, int from_tty) |
0378c332 | 759 | { |
0378c332 FN |
760 | struct symtab_and_line sal; |
761 | struct symbol *sym; | |
a121b7c1 | 762 | const char *editor; |
0b0865da TT |
763 | char *p; |
764 | const char *fn; | |
0378c332 | 765 | |
d5529a84 | 766 | /* Pull in the current default source line if necessary. */ |
0378c332 | 767 | if (arg == 0) |
53cb0458 FN |
768 | { |
769 | set_default_source_symtab_and_line (); | |
770 | sal = get_current_source_symtab_and_line (); | |
771 | } | |
0378c332 | 772 | |
ebcd3b23 | 773 | /* Bare "edit" edits file with present line. */ |
0378c332 FN |
774 | |
775 | if (arg == 0) | |
776 | { | |
777 | if (sal.symtab == 0) | |
8a3fe4f8 | 778 | error (_("No default source file yet.")); |
0378c332 FN |
779 | sal.line += get_lines_to_list () / 2; |
780 | } | |
781 | else | |
782 | { | |
f2fc3015 | 783 | const char *arg1; |
0378c332 | 784 | |
f00aae0f | 785 | /* Now should only be one argument -- decode it in SAL. */ |
0378c332 | 786 | arg1 = arg; |
ffc2605c TT |
787 | event_location_up location = string_to_event_location (&arg1, |
788 | current_language); | |
6c5b2ebe PA |
789 | std::vector<symtab_and_line> sals = decode_line_1 (location.get (), |
790 | DECODE_LINE_LIST_MODE, | |
791 | NULL, NULL, 0); | |
0378c332 | 792 | |
6c5b2ebe PA |
793 | filter_sals (sals); |
794 | if (sals.empty ()) | |
d5529a84 TT |
795 | { |
796 | /* C++ */ | |
797 | return; | |
798 | } | |
6c5b2ebe | 799 | if (sals.size () > 1) |
d5529a84 | 800 | { |
6c5b2ebe | 801 | ambiguous_line_spec (sals, |
e439fa14 | 802 | _("Specified line is ambiguous:\n")); |
d5529a84 TT |
803 | return; |
804 | } | |
0378c332 | 805 | |
6c5b2ebe | 806 | sal = sals[0]; |
0378c332 FN |
807 | |
808 | if (*arg1) | |
8a3fe4f8 | 809 | error (_("Junk at end of line specification.")); |
0378c332 | 810 | |
ebcd3b23 MS |
811 | /* If line was specified by address, first print exactly which |
812 | line, and which file. In this case, sal.symtab == 0 means | |
813 | address is outside of all known source files, not that user | |
814 | failed to give a filename. */ | |
0378c332 FN |
815 | if (*arg == '*') |
816 | { | |
5af949e3 | 817 | struct gdbarch *gdbarch; |
cdb27c12 | 818 | |
0378c332 | 819 | if (sal.symtab == 0) |
8a3fe4f8 | 820 | error (_("No source file for address %s."), |
2b69941d | 821 | paddress (get_current_arch (), sal.pc)); |
5af949e3 | 822 | |
eb822aa6 | 823 | gdbarch = get_objfile_arch (SYMTAB_OBJFILE (sal.symtab)); |
0378c332 FN |
824 | sym = find_pc_function (sal.pc); |
825 | if (sym) | |
5af949e3 UW |
826 | printf_filtered ("%s is in %s (%s:%d).\n", |
827 | paddress (gdbarch, sal.pc), | |
828 | SYMBOL_PRINT_NAME (sym), | |
05cba821 JK |
829 | symtab_to_filename_for_display (sal.symtab), |
830 | sal.line); | |
0378c332 | 831 | else |
5af949e3 UW |
832 | printf_filtered ("%s is at %s:%d.\n", |
833 | paddress (gdbarch, sal.pc), | |
05cba821 JK |
834 | symtab_to_filename_for_display (sal.symtab), |
835 | sal.line); | |
0378c332 FN |
836 | } |
837 | ||
ebcd3b23 MS |
838 | /* If what was given does not imply a symtab, it must be an |
839 | undebuggable symbol which means no source code. */ | |
0378c332 FN |
840 | |
841 | if (sal.symtab == 0) | |
8a3fe4f8 | 842 | error (_("No line number known for %s."), arg); |
0378c332 FN |
843 | } |
844 | ||
081bca4d TT |
845 | if ((editor = getenv ("EDITOR")) == NULL) |
846 | editor = "/bin/ex"; | |
a955ca71 | 847 | |
f35a17b5 | 848 | fn = symtab_to_fullname (sal.symtab); |
0378c332 | 849 | |
a955ca71 EZ |
850 | /* Quote the file name, in case it has whitespace or other special |
851 | characters. */ | |
852 | p = xstrprintf ("%s +%d \"%s\"", editor, sal.line, fn); | |
d5529a84 TT |
853 | shell_escape (p, from_tty); |
854 | xfree (p); | |
0378c332 FN |
855 | } |
856 | ||
857 | static void | |
0b39b52e | 858 | list_command (const char *arg, int from_tty) |
0378c332 | 859 | { |
0378c332 | 860 | struct symbol *sym; |
f2fc3015 | 861 | const char *arg1; |
0378c332 FN |
862 | int no_end = 1; |
863 | int dummy_end = 0; | |
864 | int dummy_beg = 0; | |
865 | int linenum_beg = 0; | |
0b39b52e | 866 | const char *p; |
0378c332 | 867 | |
ebcd3b23 | 868 | /* Pull in the current default source line if necessary. */ |
a0def019 | 869 | if (arg == NULL || ((arg[0] == '+' || arg[0] == '-') && arg[1] == '\0')) |
53cb0458 FN |
870 | { |
871 | set_default_source_symtab_and_line (); | |
51abb421 | 872 | symtab_and_line cursal = get_current_source_symtab_and_line (); |
5166082f PA |
873 | |
874 | /* If this is the first "list" since we've set the current | |
875 | source line, center the listing around that line. */ | |
876 | if (get_first_line_listed () == 0) | |
877 | { | |
878 | int first; | |
879 | ||
325fac50 | 880 | first = std::max (cursal.line - get_lines_to_list () / 2, 1); |
5166082f PA |
881 | |
882 | /* A small special case --- if listing backwards, and we | |
883 | should list only one line, list the preceding line, | |
884 | instead of the exact line we've just shown after e.g., | |
885 | stopping for a breakpoint. */ | |
886 | if (arg != NULL && arg[0] == '-' | |
887 | && get_lines_to_list () == 1 && first > 1) | |
888 | first -= 1; | |
889 | ||
0e2a2133 | 890 | print_source_lines (cursal.symtab, source_lines_range (first), 0); |
5166082f | 891 | } |
0378c332 | 892 | |
1a48ce76 | 893 | /* "l" or "l +" lists next ten lines. */ |
a0def019 | 894 | else if (arg == NULL || arg[0] == '+') |
0e2a2133 AB |
895 | print_source_lines (cursal.symtab, |
896 | source_lines_range (cursal.line), 0); | |
0378c332 | 897 | |
1a48ce76 AB |
898 | /* "l -" lists previous ten lines, the ones before the ten just |
899 | listed. */ | |
a0def019 | 900 | else if (arg[0] == '-') |
3b2464a8 AB |
901 | { |
902 | if (get_first_line_listed () == 1) | |
903 | error (_("Already at the start of %s."), | |
904 | symtab_to_filename_for_display (cursal.symtab)); | |
0e2a2133 AB |
905 | source_lines_range range (get_first_line_listed (), |
906 | source_lines_range::BACKWARD); | |
907 | print_source_lines (cursal.symtab, range, 0); | |
3b2464a8 | 908 | } |
0378c332 | 909 | |
0378c332 FN |
910 | return; |
911 | } | |
912 | ||
913 | /* Now if there is only one argument, decode it in SAL | |
914 | and set NO_END. | |
915 | If there are two arguments, decode them in SAL and SAL_END | |
916 | and clear NO_END; however, if one of the arguments is blank, | |
917 | set DUMMY_BEG or DUMMY_END to record that fact. */ | |
918 | ||
919 | if (!have_full_symbols () && !have_partial_symbols ()) | |
8a3fe4f8 | 920 | error (_("No symbol table is loaded. Use the \"file\" command.")); |
0378c332 | 921 | |
6c5b2ebe | 922 | std::vector<symtab_and_line> sals; |
51abb421 | 923 | symtab_and_line sal, sal_end; |
6c5b2ebe | 924 | |
0378c332 FN |
925 | arg1 = arg; |
926 | if (*arg1 == ',') | |
927 | dummy_beg = 1; | |
928 | else | |
929 | { | |
ffc2605c TT |
930 | event_location_up location = string_to_event_location (&arg1, |
931 | current_language); | |
932 | sals = decode_line_1 (location.get (), DECODE_LINE_LIST_MODE, | |
933 | NULL, NULL, 0); | |
6c5b2ebe PA |
934 | filter_sals (sals); |
935 | if (sals.empty ()) | |
f00aae0f KS |
936 | { |
937 | /* C++ */ | |
f00aae0f KS |
938 | return; |
939 | } | |
0378c332 | 940 | |
6c5b2ebe | 941 | sal = sals[0]; |
0378c332 FN |
942 | } |
943 | ||
944 | /* Record whether the BEG arg is all digits. */ | |
945 | ||
946 | for (p = arg; p != arg1 && *p >= '0' && *p <= '9'; p++); | |
947 | linenum_beg = (p == arg1); | |
948 | ||
e439fa14 PA |
949 | /* Save the range of the first argument, in case we need to let the |
950 | user know it was ambiguous. */ | |
951 | const char *beg = arg; | |
952 | size_t beg_len = arg1 - beg; | |
953 | ||
0378c332 FN |
954 | while (*arg1 == ' ' || *arg1 == '\t') |
955 | arg1++; | |
956 | if (*arg1 == ',') | |
957 | { | |
958 | no_end = 0; | |
6c5b2ebe | 959 | if (sals.size () > 1) |
0d999a6e | 960 | { |
6c5b2ebe | 961 | ambiguous_line_spec (sals, |
e439fa14 PA |
962 | _("Specified first line '%.*s' is ambiguous:\n"), |
963 | (int) beg_len, beg); | |
0d999a6e ZZ |
964 | return; |
965 | } | |
0378c332 FN |
966 | arg1++; |
967 | while (*arg1 == ' ' || *arg1 == '\t') | |
968 | arg1++; | |
969 | if (*arg1 == 0) | |
970 | dummy_end = 1; | |
971 | else | |
972 | { | |
e439fa14 PA |
973 | /* Save the last argument, in case we need to let the user |
974 | know it was ambiguous. */ | |
975 | const char *end_arg = arg1; | |
976 | ||
ffc2605c TT |
977 | event_location_up location |
978 | = string_to_event_location (&arg1, current_language); | |
f00aae0f | 979 | |
6c5b2ebe PA |
980 | std::vector<symtab_and_line> sals_end |
981 | = (dummy_beg | |
982 | ? decode_line_1 (location.get (), DECODE_LINE_LIST_MODE, | |
983 | NULL, NULL, 0) | |
984 | : decode_line_1 (location.get (), DECODE_LINE_LIST_MODE, | |
985 | NULL, sal.symtab, sal.line)); | |
986 | ||
987 | filter_sals (sals_end); | |
988 | if (sals_end.empty ()) | |
989 | return; | |
990 | if (sals_end.size () > 1) | |
0d999a6e | 991 | { |
6c5b2ebe | 992 | ambiguous_line_spec (sals_end, |
e439fa14 PA |
993 | _("Specified last line '%s' is ambiguous:\n"), |
994 | end_arg); | |
0378c332 FN |
995 | return; |
996 | } | |
6c5b2ebe | 997 | sal_end = sals_end[0]; |
0378c332 FN |
998 | } |
999 | } | |
1000 | ||
1001 | if (*arg1) | |
8a3fe4f8 | 1002 | error (_("Junk at end of line specification.")); |
0378c332 FN |
1003 | |
1004 | if (!no_end && !dummy_beg && !dummy_end | |
1005 | && sal.symtab != sal_end.symtab) | |
e439fa14 | 1006 | error (_("Specified first and last lines are in different files.")); |
0378c332 | 1007 | if (dummy_beg && dummy_end) |
8a3fe4f8 | 1008 | error (_("Two empty args do not say what lines to list.")); |
0378c332 | 1009 | |
ebcd3b23 | 1010 | /* If line was specified by address, |
0378c332 | 1011 | first print exactly which line, and which file. |
ebcd3b23 MS |
1012 | |
1013 | In this case, sal.symtab == 0 means address is outside of all | |
1014 | known source files, not that user failed to give a filename. */ | |
0378c332 FN |
1015 | if (*arg == '*') |
1016 | { | |
5af949e3 | 1017 | struct gdbarch *gdbarch; |
cdb27c12 | 1018 | |
0378c332 | 1019 | if (sal.symtab == 0) |
8a3fe4f8 | 1020 | error (_("No source file for address %s."), |
2b69941d | 1021 | paddress (get_current_arch (), sal.pc)); |
5af949e3 | 1022 | |
eb822aa6 | 1023 | gdbarch = get_objfile_arch (SYMTAB_OBJFILE (sal.symtab)); |
0378c332 FN |
1024 | sym = find_pc_function (sal.pc); |
1025 | if (sym) | |
50ee7535 | 1026 | printf_filtered ("%s is in %s (%s:%d).\n", |
5af949e3 UW |
1027 | paddress (gdbarch, sal.pc), |
1028 | SYMBOL_PRINT_NAME (sym), | |
05cba821 | 1029 | symtab_to_filename_for_display (sal.symtab), sal.line); |
0378c332 | 1030 | else |
5af949e3 UW |
1031 | printf_filtered ("%s is at %s:%d.\n", |
1032 | paddress (gdbarch, sal.pc), | |
05cba821 | 1033 | symtab_to_filename_for_display (sal.symtab), sal.line); |
0378c332 FN |
1034 | } |
1035 | ||
ebcd3b23 MS |
1036 | /* If line was not specified by just a line number, and it does not |
1037 | imply a symtab, it must be an undebuggable symbol which means no | |
1038 | source code. */ | |
0378c332 FN |
1039 | |
1040 | if (!linenum_beg && sal.symtab == 0) | |
8a3fe4f8 | 1041 | error (_("No line number known for %s."), arg); |
0378c332 FN |
1042 | |
1043 | /* If this command is repeated with RET, | |
1044 | turn it into the no-arg variant. */ | |
1045 | ||
1046 | if (from_tty) | |
85c4be7c | 1047 | set_repeat_arguments (""); |
0378c332 FN |
1048 | |
1049 | if (dummy_beg && sal_end.symtab == 0) | |
8a3fe4f8 | 1050 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 | 1051 | if (dummy_beg) |
0e2a2133 AB |
1052 | { |
1053 | source_lines_range range (sal_end.line + 1, | |
1054 | source_lines_range::BACKWARD); | |
1055 | print_source_lines (sal_end.symtab, range, 0); | |
1056 | } | |
0378c332 | 1057 | else if (sal.symtab == 0) |
8a3fe4f8 | 1058 | error (_("No default source file yet. Do \"help list\".")); |
0378c332 FN |
1059 | else if (no_end) |
1060 | { | |
6c5b2ebe | 1061 | for (int i = 0; i < sals.size (); i++) |
0d999a6e | 1062 | { |
6c5b2ebe | 1063 | sal = sals[i]; |
0d999a6e ZZ |
1064 | int first_line = sal.line - get_lines_to_list () / 2; |
1065 | if (first_line < 1) | |
1066 | first_line = 1; | |
6c5b2ebe | 1067 | if (sals.size () > 1) |
06871ae8 | 1068 | print_sal_location (sal); |
0e2a2133 | 1069 | print_source_lines (sal.symtab, source_lines_range (first_line), 0); |
0d999a6e | 1070 | } |
0378c332 | 1071 | } |
0e2a2133 AB |
1072 | else if (dummy_end) |
1073 | print_source_lines (sal.symtab, source_lines_range (sal.line), 0); | |
0378c332 | 1074 | else |
0e2a2133 AB |
1075 | print_source_lines (sal.symtab, |
1076 | source_lines_range (sal.line, (sal_end.line + 1)), | |
0378c332 FN |
1077 | 0); |
1078 | } | |
1079 | ||
d14508fe DE |
1080 | /* Subroutine of disassemble_command to simplify it. |
1081 | Perform the disassembly. | |
1082 | NAME is the name of the function if known, or NULL. | |
1083 | [LOW,HIGH) are the range of addresses to disassemble. | |
e9480230 KB |
1084 | BLOCK is the block to disassemble; it needs to be provided |
1085 | when non-contiguous blocks are disassembled; otherwise | |
1086 | it can be NULL. | |
d14508fe DE |
1087 | MIXED is non-zero to print source with the assembler. */ |
1088 | ||
1089 | static void | |
13274fc3 | 1090 | print_disassembly (struct gdbarch *gdbarch, const char *name, |
9a24775b | 1091 | CORE_ADDR low, CORE_ADDR high, |
e9480230 | 1092 | const struct block *block, |
9a24775b | 1093 | gdb_disassembly_flags flags) |
d14508fe DE |
1094 | { |
1095 | #if defined(TUI) | |
1096 | if (!tui_is_window_visible (DISASSEM_WIN)) | |
1097 | #endif | |
1098 | { | |
1099 | printf_filtered ("Dump of assembler code "); | |
1100 | if (name != NULL) | |
e9480230 KB |
1101 | printf_filtered ("for function %s:\n", name); |
1102 | if (block == nullptr || BLOCK_CONTIGUOUS_P (block)) | |
1103 | { | |
1104 | if (name == NULL) | |
1105 | printf_filtered ("from %s to %s:\n", | |
1106 | paddress (gdbarch, low), paddress (gdbarch, high)); | |
d14508fe | 1107 | |
e9480230 KB |
1108 | /* Dump the specified range. */ |
1109 | gdb_disassembly (gdbarch, current_uiout, flags, -1, low, high); | |
1110 | } | |
1111 | else | |
1112 | { | |
1113 | for (int i = 0; i < BLOCK_NRANGES (block); i++) | |
1114 | { | |
b926417a TT |
1115 | CORE_ADDR range_low = BLOCK_RANGE_START (block, i); |
1116 | CORE_ADDR range_high = BLOCK_RANGE_END (block, i); | |
e9480230 | 1117 | printf_filtered (_("Address range %s to %s:\n"), |
b926417a TT |
1118 | paddress (gdbarch, range_low), |
1119 | paddress (gdbarch, range_high)); | |
1120 | gdb_disassembly (gdbarch, current_uiout, flags, -1, | |
1121 | range_low, range_high); | |
e9480230 KB |
1122 | } |
1123 | } | |
d14508fe | 1124 | printf_filtered ("End of assembler dump.\n"); |
d14508fe DE |
1125 | } |
1126 | #if defined(TUI) | |
1127 | else | |
1128 | { | |
13274fc3 | 1129 | tui_show_assembly (gdbarch, low); |
d14508fe DE |
1130 | } |
1131 | #endif | |
1132 | } | |
1133 | ||
1134 | /* Subroutine of disassemble_command to simplify it. | |
9c419145 | 1135 | Print a disassembly of the current function according to FLAGS. */ |
d14508fe DE |
1136 | |
1137 | static void | |
9a24775b | 1138 | disassemble_current_function (gdb_disassembly_flags flags) |
d14508fe | 1139 | { |
13274fc3 UW |
1140 | struct frame_info *frame; |
1141 | struct gdbarch *gdbarch; | |
d14508fe | 1142 | CORE_ADDR low, high, pc; |
2c02bd72 | 1143 | const char *name; |
e9480230 | 1144 | const struct block *block; |
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); |
e9480230 | 1149 | if (find_pc_partial_function (pc, &name, &low, &high, &block) == 0) |
d14508fe DE |
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 | |
e9480230 | 1160 | print_disassembly (gdbarch, name, low, high, block, 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; |
e9480230 | 1196 | const struct block *block = nullptr; |
83c31e7d | 1197 | |
bbc13ae3 | 1198 | p = arg; |
83c31e7d | 1199 | name = NULL; |
e6158f16 | 1200 | flags = 0; |
d14508fe | 1201 | |
bbc13ae3 | 1202 | if (p && *p == '/') |
83c31e7d | 1203 | { |
bbc13ae3 | 1204 | ++p; |
d14508fe | 1205 | |
bbc13ae3 | 1206 | if (*p == '\0') |
d14508fe DE |
1207 | error (_("Missing modifier.")); |
1208 | ||
bbc13ae3 | 1209 | while (*p && ! isspace (*p)) |
d14508fe | 1210 | { |
bbc13ae3 | 1211 | switch (*p++) |
d14508fe DE |
1212 | { |
1213 | case 'm': | |
6ff0ba5f | 1214 | flags |= DISASSEMBLY_SOURCE_DEPRECATED; |
e6158f16 HZ |
1215 | break; |
1216 | case 'r': | |
1217 | flags |= DISASSEMBLY_RAW_INSN; | |
d14508fe | 1218 | break; |
6ff0ba5f DE |
1219 | case 's': |
1220 | flags |= DISASSEMBLY_SOURCE; | |
1221 | break; | |
d14508fe DE |
1222 | default: |
1223 | error (_("Invalid disassembly modifier.")); | |
1224 | } | |
1225 | } | |
1226 | ||
f1735a53 | 1227 | p = skip_spaces (p); |
d14508fe DE |
1228 | } |
1229 | ||
6ff0ba5f DE |
1230 | if ((flags & (DISASSEMBLY_SOURCE_DEPRECATED | DISASSEMBLY_SOURCE)) |
1231 | == (DISASSEMBLY_SOURCE_DEPRECATED | DISASSEMBLY_SOURCE)) | |
1232 | error (_("Cannot specify both /m and /s.")); | |
1233 | ||
bbc13ae3 | 1234 | if (! p || ! *p) |
d14508fe | 1235 | { |
9c419145 | 1236 | flags |= DISASSEMBLY_OMIT_FNAME; |
e6158f16 | 1237 | disassemble_current_function (flags); |
d14508fe | 1238 | return; |
83c31e7d | 1239 | } |
d14508fe | 1240 | |
bbc13ae3 KS |
1241 | pc = value_as_address (parse_to_comma_and_eval (&p)); |
1242 | if (p[0] == ',') | |
1243 | ++p; | |
1244 | if (p[0] == '\0') | |
83c31e7d FN |
1245 | { |
1246 | /* One argument. */ | |
e9480230 | 1247 | if (find_pc_partial_function (pc, &name, &low, &high, &block) == 0) |
8a3fe4f8 | 1248 | error (_("No function contains specified address.")); |
83c31e7d | 1249 | #if defined(TUI) |
021e7609 AC |
1250 | /* NOTE: cagney/2003-02-13 The `tui_active' was previously |
1251 | `tui_version'. */ | |
22940a24 AC |
1252 | if (tui_active) |
1253 | /* FIXME: cagney/2004-02-07: This should be an observer. */ | |
13274fc3 | 1254 | low = tui_get_low_disassembly_address (gdbarch, low, pc); |
83c31e7d | 1255 | #endif |
13274fc3 | 1256 | low += gdbarch_deprecated_function_start_offset (gdbarch); |
9c419145 | 1257 | flags |= DISASSEMBLY_OMIT_FNAME; |
83c31e7d FN |
1258 | } |
1259 | else | |
1260 | { | |
1261 | /* Two arguments. */ | |
53a71c06 | 1262 | int incl_flag = 0; |
21a0512e | 1263 | low = pc; |
f1735a53 | 1264 | p = skip_spaces (p); |
bbc13ae3 | 1265 | if (p[0] == '+') |
53a71c06 | 1266 | { |
bbc13ae3 | 1267 | ++p; |
53a71c06 CR |
1268 | incl_flag = 1; |
1269 | } | |
bbc13ae3 | 1270 | high = parse_and_eval_address (p); |
53a71c06 CR |
1271 | if (incl_flag) |
1272 | high += low; | |
83c31e7d FN |
1273 | } |
1274 | ||
e9480230 | 1275 | print_disassembly (gdbarch, name, low, high, block, flags); |
83c31e7d FN |
1276 | } |
1277 | ||
d318976c | 1278 | static void |
0b39b52e | 1279 | make_command (const char *arg, int from_tty) |
d318976c | 1280 | { |
d318976c | 1281 | if (arg == 0) |
be47f9e8 | 1282 | shell_escape ("make", from_tty); |
d318976c FN |
1283 | else |
1284 | { | |
be47f9e8 | 1285 | std::string cmd = std::string ("make ") + arg; |
d318976c | 1286 | |
be47f9e8 PA |
1287 | shell_escape (cmd.c_str (), from_tty); |
1288 | } | |
d318976c FN |
1289 | } |
1290 | ||
d318976c | 1291 | static void |
dede02ce | 1292 | show_user (const char *args, int from_tty) |
d318976c FN |
1293 | { |
1294 | struct cmd_list_element *c; | |
1295 | extern struct cmd_list_element *cmdlist; | |
1296 | ||
1297 | if (args) | |
1298 | { | |
6f937416 | 1299 | const char *comname = args; |
cdb27c12 | 1300 | |
adb483fe | 1301 | c = lookup_cmd (&comname, cmdlist, "", 0, 1); |
a9f116cb | 1302 | if (!cli_user_command_p (c)) |
8a3fe4f8 | 1303 | error (_("Not a user command.")); |
adb483fe | 1304 | show_user_1 (c, "", args, gdb_stdout); |
d318976c FN |
1305 | } |
1306 | else | |
1307 | { | |
1308 | for (c = cmdlist; c; c = c->next) | |
1309 | { | |
a9f116cb | 1310 | if (cli_user_command_p (c) || c->prefixlist != NULL) |
adb483fe | 1311 | show_user_1 (c, "", c->name, gdb_stdout); |
d318976c FN |
1312 | } |
1313 | } | |
1314 | } | |
1315 | ||
1316 | /* Search through names of commands and documentations for a certain | |
ebcd3b23 MS |
1317 | regular expression. */ |
1318 | ||
c419cfba | 1319 | static void |
0b39b52e | 1320 | apropos_command (const char *searchstr, int from_tty) |
d318976c | 1321 | { |
d318976c | 1322 | if (searchstr == NULL) |
f55af66d | 1323 | error (_("REGEXP string is empty")); |
d318976c | 1324 | |
2d7cc5c7 PA |
1325 | compiled_regex pattern (searchstr, REG_ICASE, |
1326 | _("Error in regular expression")); | |
dc92e161 | 1327 | |
2d7cc5c7 | 1328 | apropos_cmd (gdb_stdout, cmdlist, pattern, ""); |
d318976c | 1329 | } |
5a56e9c5 DE |
1330 | |
1331 | /* Subroutine of alias_command to simplify it. | |
1332 | Return the first N elements of ARGV flattened back to a string | |
1333 | with a space separating each element. | |
1334 | ARGV may not be NULL. | |
1335 | This does not take care of quoting elements in case they contain spaces | |
1336 | on purpose. */ | |
1337 | ||
a97e29d2 TT |
1338 | static std::string |
1339 | argv_to_string (char **argv, int n) | |
5a56e9c5 DE |
1340 | { |
1341 | int i; | |
a97e29d2 | 1342 | std::string result; |
5a56e9c5 DE |
1343 | |
1344 | gdb_assert (argv != NULL); | |
1345 | gdb_assert (n >= 0 && n <= countargv (argv)); | |
1346 | ||
1347 | for (i = 0; i < n; ++i) | |
1348 | { | |
1349 | if (i > 0) | |
a97e29d2 TT |
1350 | result += " "; |
1351 | result += argv[i]; | |
5a56e9c5 DE |
1352 | } |
1353 | ||
1354 | return result; | |
1355 | } | |
1356 | ||
1357 | /* Subroutine of alias_command to simplify it. | |
6fe87677 | 1358 | Return true if COMMAND exists, unambiguously. Otherwise false. */ |
5a56e9c5 | 1359 | |
6fe87677 | 1360 | static bool |
6f937416 | 1361 | valid_command_p (const char *command) |
5a56e9c5 DE |
1362 | { |
1363 | struct cmd_list_element *c; | |
1364 | ||
1365 | c = lookup_cmd_1 (& command, cmdlist, NULL, 1); | |
1366 | ||
1367 | if (c == NULL || c == (struct cmd_list_element *) -1) | |
6fe87677 | 1368 | return false; |
5a56e9c5 DE |
1369 | |
1370 | /* This is the slightly tricky part. | |
1371 | lookup_cmd_1 will return a pointer to the last part of COMMAND | |
1372 | to match, leaving COMMAND pointing at the remainder. */ | |
1373 | while (*command == ' ' || *command == '\t') | |
1374 | ++command; | |
1375 | return *command == '\0'; | |
1376 | } | |
1377 | ||
7f31862a PA |
1378 | /* Called when "alias" was incorrectly used. */ |
1379 | ||
1380 | static void | |
1381 | alias_usage_error (void) | |
1382 | { | |
1383 | error (_("Usage: alias [-a] [--] ALIAS = COMMAND")); | |
1384 | } | |
1385 | ||
5a56e9c5 DE |
1386 | /* Make an alias of an existing command. */ |
1387 | ||
1388 | static void | |
0b39b52e | 1389 | alias_command (const char *args, int from_tty) |
5a56e9c5 DE |
1390 | { |
1391 | int i, alias_argc, command_argc; | |
1392 | int abbrev_flag = 0; | |
0b39b52e | 1393 | const char *equals; |
a97e29d2 | 1394 | const char *alias, *command; |
5a56e9c5 DE |
1395 | |
1396 | if (args == NULL || strchr (args, '=') == NULL) | |
7f31862a | 1397 | alias_usage_error (); |
5a56e9c5 | 1398 | |
773a1edc TT |
1399 | equals = strchr (args, '='); |
1400 | std::string args2 (args, equals - args); | |
1401 | ||
1402 | gdb_argv built_alias_argv (args2.c_str ()); | |
1403 | gdb_argv command_argv (equals + 1); | |
5a56e9c5 | 1404 | |
773a1edc TT |
1405 | char **alias_argv = built_alias_argv.get (); |
1406 | while (alias_argv[0] != NULL) | |
5a56e9c5 | 1407 | { |
773a1edc | 1408 | if (strcmp (alias_argv[0], "-a") == 0) |
5a56e9c5 DE |
1409 | { |
1410 | ++alias_argv; | |
1411 | abbrev_flag = 1; | |
1412 | } | |
773a1edc | 1413 | else if (strcmp (alias_argv[0], "--") == 0) |
5a56e9c5 DE |
1414 | { |
1415 | ++alias_argv; | |
1416 | break; | |
1417 | } | |
1418 | else | |
1419 | break; | |
1420 | } | |
1421 | ||
1422 | if (alias_argv[0] == NULL || command_argv[0] == NULL | |
1423 | || *alias_argv[0] == '\0' || *command_argv[0] == '\0') | |
7f31862a | 1424 | alias_usage_error (); |
5a56e9c5 DE |
1425 | |
1426 | for (i = 0; alias_argv[i] != NULL; ++i) | |
1427 | { | |
1428 | if (! valid_user_defined_cmd_name_p (alias_argv[i])) | |
1429 | { | |
1430 | if (i == 0) | |
1431 | error (_("Invalid command name: %s"), alias_argv[i]); | |
1432 | else | |
1433 | error (_("Invalid command element name: %s"), alias_argv[i]); | |
1434 | } | |
1435 | } | |
1436 | ||
1437 | alias_argc = countargv (alias_argv); | |
773a1edc | 1438 | command_argc = command_argv.count (); |
5a56e9c5 DE |
1439 | |
1440 | /* COMMAND must exist. | |
1441 | Reconstruct the command to remove any extraneous spaces, | |
1442 | for better error messages. */ | |
773a1edc TT |
1443 | std::string command_string (argv_to_string (command_argv.get (), |
1444 | command_argc)); | |
a97e29d2 | 1445 | command = command_string.c_str (); |
5a56e9c5 DE |
1446 | if (! valid_command_p (command)) |
1447 | error (_("Invalid command to alias to: %s"), command); | |
1448 | ||
1449 | /* ALIAS must not exist. */ | |
a97e29d2 TT |
1450 | std::string alias_string (argv_to_string (alias_argv, alias_argc)); |
1451 | alias = alias_string.c_str (); | |
5a56e9c5 DE |
1452 | if (valid_command_p (alias)) |
1453 | error (_("Alias already exists: %s"), alias); | |
1454 | ||
1455 | /* If ALIAS is one word, it is an alias for the entire COMMAND. | |
1456 | Example: alias spe = set print elements | |
1457 | ||
1458 | Otherwise ALIAS and COMMAND must have the same number of words, | |
1459 | and every word except the last must match; and the last word of | |
1460 | ALIAS is made an alias of the last word of COMMAND. | |
1461 | Example: alias set print elms = set pr elem | |
1462 | Note that unambiguous abbreviations are allowed. */ | |
1463 | ||
1464 | if (alias_argc == 1) | |
1465 | { | |
1466 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
1467 | add_com_alias (xstrdup (alias_argv[0]), command, class_alias, | |
1468 | abbrev_flag); | |
1469 | } | |
1470 | else | |
1471 | { | |
6f937416 | 1472 | const char *alias_prefix, *command_prefix; |
5a56e9c5 DE |
1473 | struct cmd_list_element *c_alias, *c_command; |
1474 | ||
1475 | if (alias_argc != command_argc) | |
1476 | error (_("Mismatched command length between ALIAS and COMMAND.")); | |
1477 | ||
1478 | /* Create copies of ALIAS and COMMAND without the last word, | |
1479 | and use that to verify the leading elements match. */ | |
a97e29d2 TT |
1480 | std::string alias_prefix_string (argv_to_string (alias_argv, |
1481 | alias_argc - 1)); | |
1482 | std::string command_prefix_string (argv_to_string (alias_argv, | |
1483 | command_argc - 1)); | |
1484 | alias_prefix = alias_prefix_string.c_str (); | |
1485 | command_prefix = command_prefix_string.c_str (); | |
5a56e9c5 DE |
1486 | |
1487 | c_command = lookup_cmd_1 (& command_prefix, cmdlist, NULL, 1); | |
1488 | /* We've already tried to look up COMMAND. */ | |
1489 | gdb_assert (c_command != NULL | |
1490 | && c_command != (struct cmd_list_element *) -1); | |
1491 | gdb_assert (c_command->prefixlist != NULL); | |
1492 | c_alias = lookup_cmd_1 (& alias_prefix, cmdlist, NULL, 1); | |
1493 | if (c_alias != c_command) | |
1494 | error (_("ALIAS and COMMAND prefixes do not match.")); | |
1495 | ||
1496 | /* add_cmd requires *we* allocate space for name, hence the xstrdup. */ | |
1497 | add_alias_cmd (xstrdup (alias_argv[alias_argc - 1]), | |
1498 | command_argv[command_argc - 1], | |
1499 | class_alias, abbrev_flag, c_command->prefixlist); | |
1500 | } | |
1501 | } | |
d318976c | 1502 | \f |
06871ae8 PA |
1503 | /* Print the file / line number / symbol name of the location |
1504 | specified by SAL. */ | |
1505 | ||
1506 | static void | |
1507 | print_sal_location (const symtab_and_line &sal) | |
1508 | { | |
1509 | scoped_restore_current_program_space restore_pspace; | |
1510 | set_current_program_space (sal.pspace); | |
1511 | ||
1512 | const char *sym_name = NULL; | |
1513 | if (sal.symbol != NULL) | |
1514 | sym_name = SYMBOL_PRINT_NAME (sal.symbol); | |
1515 | printf_filtered (_("file: \"%s\", line number: %d, symbol: \"%s\"\n"), | |
1516 | symtab_to_filename_for_display (sal.symtab), | |
1517 | sal.line, sym_name != NULL ? sym_name : "???"); | |
1518 | } | |
1519 | ||
0378c332 | 1520 | /* Print a list of files and line numbers which a user may choose from |
ebcd3b23 | 1521 | in order to list a function which was specified ambiguously (as |
6c5b2ebe PA |
1522 | with `list classname::overloadedfuncname', for example). The SALS |
1523 | array provides the filenames and line numbers. FORMAT is a | |
1524 | printf-style format string used to tell the user what was | |
e439fa14 | 1525 | ambiguous. */ |
0378c332 FN |
1526 | |
1527 | static void | |
6c5b2ebe PA |
1528 | ambiguous_line_spec (gdb::array_view<const symtab_and_line> sals, |
1529 | const char *format, ...) | |
0378c332 | 1530 | { |
e439fa14 PA |
1531 | va_list ap; |
1532 | va_start (ap, format); | |
1533 | vprintf_filtered (format, ap); | |
1534 | va_end (ap); | |
1535 | ||
6c5b2ebe | 1536 | for (const auto &sal : sals) |
06871ae8 | 1537 | print_sal_location (sal); |
0378c332 FN |
1538 | } |
1539 | ||
6c5b2ebe PA |
1540 | /* Comparison function for filter_sals. Returns a qsort-style |
1541 | result. */ | |
f8eba3c6 TT |
1542 | |
1543 | static int | |
6c5b2ebe | 1544 | cmp_symtabs (const symtab_and_line &sala, const symtab_and_line &salb) |
f8eba3c6 | 1545 | { |
6c5b2ebe PA |
1546 | const char *dira = SYMTAB_DIRNAME (sala.symtab); |
1547 | const char *dirb = SYMTAB_DIRNAME (salb.symtab); | |
f8eba3c6 TT |
1548 | int r; |
1549 | ||
ee6f8984 | 1550 | if (dira == NULL) |
f8eba3c6 | 1551 | { |
ee6f8984 | 1552 | if (dirb != NULL) |
f8eba3c6 TT |
1553 | return -1; |
1554 | } | |
ee6f8984 | 1555 | else if (dirb == NULL) |
f8eba3c6 | 1556 | { |
ee6f8984 | 1557 | if (dira != NULL) |
f8eba3c6 TT |
1558 | return 1; |
1559 | } | |
1560 | else | |
1561 | { | |
ee6f8984 | 1562 | r = filename_cmp (dira, dirb); |
f8eba3c6 TT |
1563 | if (r) |
1564 | return r; | |
1565 | } | |
1566 | ||
6c5b2ebe | 1567 | r = filename_cmp (sala.symtab->filename, salb.symtab->filename); |
f8eba3c6 TT |
1568 | if (r) |
1569 | return r; | |
1570 | ||
6c5b2ebe | 1571 | if (sala.line < salb.line) |
f8eba3c6 | 1572 | return -1; |
6c5b2ebe | 1573 | return sala.line == salb.line ? 0 : 1; |
f8eba3c6 TT |
1574 | } |
1575 | ||
1576 | /* Remove any SALs that do not match the current program space, or | |
1577 | which appear to be "file:line" duplicates. */ | |
1578 | ||
1579 | static void | |
6c5b2ebe | 1580 | filter_sals (std::vector<symtab_and_line> &sals) |
f8eba3c6 | 1581 | { |
6c5b2ebe PA |
1582 | /* Remove SALs that do not match. */ |
1583 | auto from = std::remove_if (sals.begin (), sals.end (), | |
1584 | [&] (const symtab_and_line &sal) | |
1585 | { return (sal.pspace != current_program_space || sal.symtab == NULL); }); | |
1586 | ||
1587 | /* Remove dups. */ | |
1588 | std::sort (sals.begin (), from, | |
1589 | [] (const symtab_and_line &sala, const symtab_and_line &salb) | |
1590 | { return cmp_symtabs (sala, salb) < 0; }); | |
1591 | ||
1592 | from = std::unique (sals.begin (), from, | |
1593 | [&] (const symtab_and_line &sala, | |
1594 | const symtab_and_line &salb) | |
1595 | { return cmp_symtabs (sala, salb) == 0; }); | |
1596 | ||
1597 | sals.erase (from, sals.end ()); | |
f8eba3c6 TT |
1598 | } |
1599 | ||
d318976c | 1600 | static void |
981a3fb3 | 1601 | set_debug (const char *arg, int from_tty) |
d318976c | 1602 | { |
9a2b4c1b MS |
1603 | printf_unfiltered (_("\"set debug\" must be followed by " |
1604 | "the name of a debug subcommand.\n")); | |
635c7e8a | 1605 | help_list (setdebuglist, "set debug ", all_commands, gdb_stdout); |
d318976c FN |
1606 | } |
1607 | ||
1608 | static void | |
981a3fb3 | 1609 | show_debug (const char *args, int from_tty) |
d318976c FN |
1610 | { |
1611 | cmd_show_list (showdebuglist, from_tty, ""); | |
1612 | } | |
1613 | ||
1614 | void | |
1615 | init_cmd_lists (void) | |
1616 | { | |
20f01a46 | 1617 | max_user_call_depth = 1024; |
d318976c FN |
1618 | } |
1619 | ||
920d2a44 AC |
1620 | static void |
1621 | show_info_verbose (struct ui_file *file, int from_tty, | |
1622 | struct cmd_list_element *c, | |
1623 | const char *value) | |
1624 | { | |
1625 | if (info_verbose) | |
9a2b4c1b MS |
1626 | fprintf_filtered (file, |
1627 | _("Verbose printing of informational messages is %s.\n"), | |
1628 | value); | |
920d2a44 AC |
1629 | else |
1630 | fprintf_filtered (file, _("Verbosity is %s.\n"), value); | |
1631 | } | |
1632 | ||
1633 | static void | |
1634 | show_history_expansion_p (struct ui_file *file, int from_tty, | |
1635 | struct cmd_list_element *c, const char *value) | |
1636 | { | |
1637 | fprintf_filtered (file, _("History expansion on command input is %s.\n"), | |
1638 | value); | |
1639 | } | |
1640 | ||
920d2a44 AC |
1641 | static void |
1642 | show_remote_debug (struct ui_file *file, int from_tty, | |
1643 | struct cmd_list_element *c, const char *value) | |
1644 | { | |
1645 | fprintf_filtered (file, _("Debugging of remote protocol is %s.\n"), | |
1646 | value); | |
1647 | } | |
1648 | ||
1649 | static void | |
1650 | show_remote_timeout (struct ui_file *file, int from_tty, | |
1651 | struct cmd_list_element *c, const char *value) | |
1652 | { | |
9a2b4c1b MS |
1653 | fprintf_filtered (file, |
1654 | _("Timeout limit to wait for target to respond is %s.\n"), | |
920d2a44 AC |
1655 | value); |
1656 | } | |
1657 | ||
1658 | static void | |
1659 | show_max_user_call_depth (struct ui_file *file, int from_tty, | |
1660 | struct cmd_list_element *c, const char *value) | |
1661 | { | |
9a2b4c1b MS |
1662 | fprintf_filtered (file, |
1663 | _("The max call depth for user-defined commands is %s.\n"), | |
920d2a44 AC |
1664 | value); |
1665 | } | |
1666 | ||
d318976c | 1667 | void |
43e4916f | 1668 | _initialize_cli_cmds (void) |
d318976c FN |
1669 | { |
1670 | struct cmd_list_element *c; | |
1671 | ||
1672 | /* Define the classes of commands. | |
1bfeeb0f | 1673 | They will appear in the help list in alphabetical order. */ |
d318976c | 1674 | |
0450cc4c | 1675 | add_cmd ("internals", class_maintenance, _("\ |
1a966eab | 1676 | Maintenance commands.\n\ |
d318976c FN |
1677 | Some gdb commands are provided just for use by gdb maintainers.\n\ |
1678 | These commands are subject to frequent change, and may not be as\n\ | |
1a966eab | 1679 | well documented as user commands."), |
d318976c | 1680 | &cmdlist); |
0450cc4c TT |
1681 | add_cmd ("obscure", class_obscure, _("Obscure features."), &cmdlist); |
1682 | add_cmd ("aliases", class_alias, | |
9a2b4c1b | 1683 | _("Aliases of other commands."), &cmdlist); |
0450cc4c | 1684 | add_cmd ("user-defined", class_user, _("\ |
1a966eab | 1685 | User-defined commands.\n\ |
d318976c | 1686 | The commands in this class are those defined by the user.\n\ |
1a966eab | 1687 | Use the \"define\" command to define a command."), &cmdlist); |
0450cc4c | 1688 | add_cmd ("support", class_support, _("Support facilities."), &cmdlist); |
d318976c | 1689 | if (!dbx_commands) |
0450cc4c TT |
1690 | add_cmd ("status", class_info, _("Status inquiries."), &cmdlist); |
1691 | add_cmd ("files", class_files, _("Specifying and examining files."), | |
1a966eab | 1692 | &cmdlist); |
0450cc4c | 1693 | add_cmd ("breakpoints", class_breakpoint, |
1a966eab | 1694 | _("Making program stop at certain points."), &cmdlist); |
0450cc4c TT |
1695 | add_cmd ("data", class_vars, _("Examining data."), &cmdlist); |
1696 | add_cmd ("stack", class_stack, _("\ | |
1a966eab | 1697 | Examining the stack.\n\ |
d318976c FN |
1698 | The stack is made up of stack frames. Gdb assigns numbers to stack frames\n\ |
1699 | counting from zero for the innermost (currently executing) frame.\n\n\ | |
1700 | At any time gdb identifies one frame as the \"selected\" frame.\n\ | |
1701 | Variable lookups are done with respect to the selected frame.\n\ | |
1702 | When the program being debugged stops, gdb selects the innermost frame.\n\ | |
1a966eab | 1703 | The commands below can be used to select other frames by number or address."), |
d318976c | 1704 | &cmdlist); |
0450cc4c | 1705 | add_cmd ("running", class_run, _("Running the program."), &cmdlist); |
d318976c | 1706 | |
ebcd3b23 | 1707 | /* Define general commands. */ |
d318976c | 1708 | |
d729566a | 1709 | add_com ("pwd", class_files, pwd_command, _("\ |
1bedd215 | 1710 | Print working directory. This is used for your program as well.")); |
4f8d22e3 | 1711 | |
1a966eab | 1712 | c = add_cmd ("cd", class_files, cd_command, _("\ |
d092c5a2 SDJ |
1713 | Set working directory to DIR for debugger.\n\ |
1714 | The debugger's current working directory specifies where scripts and other\n\ | |
1715 | files that can be loaded by GDB are located.\n\ | |
1716 | In order to change the inferior's current working directory, the recommended\n\ | |
1717 | way is to use the \"set cwd\" command."), &cmdlist); | |
5ba2abeb | 1718 | set_cmd_completer (c, filename_completer); |
d318976c | 1719 | |
1bedd215 AC |
1720 | add_com ("echo", class_support, echo_command, _("\ |
1721 | Print a constant string. Give string as argument.\n\ | |
d318976c FN |
1722 | C escape sequences may be used in the argument.\n\ |
1723 | No newline is added at the end of the argument;\n\ | |
1724 | use \"\\n\" if you want a newline to be printed.\n\ | |
1725 | Since leading and trailing whitespace are ignored in command arguments,\n\ | |
1726 | if you want to print some you must use \"\\\" before leading whitespace\n\ | |
1bedd215 | 1727 | to be printed or after trailing whitespace.")); |
d318976c | 1728 | |
973817a3 JB |
1729 | add_setshow_enum_cmd ("script-extension", class_support, |
1730 | script_ext_enums, &script_ext_mode, _("\ | |
1731 | Set mode for script filename extension recognition."), _("\ | |
1732 | Show mode for script filename extension recognition."), _("\ | |
1733 | off == no filename extension recognition (all sourced files are GDB scripts)\n\ | |
1734 | soft == evaluate script according to filename extension, fallback to GDB script" | |
1735 | "\n\ | |
1736 | strict == evaluate script according to filename extension, error if not supported" | |
1737 | ), | |
1738 | NULL, | |
1739 | show_script_ext_mode, | |
1740 | &setlist, &showlist); | |
1741 | ||
bdb52a22 TT |
1742 | add_com ("quit", class_support, quit_command, _("\ |
1743 | Exit gdb.\n\ | |
1744 | Usage: quit [EXPR]\n\ | |
1745 | The optional expression EXPR, if present, is evaluated and the result\n\ | |
1746 | used as GDB's exit code. The default is zero.")); | |
1bedd215 AC |
1747 | c = add_com ("help", class_support, help_command, |
1748 | _("Print list of commands.")); | |
5ba2abeb | 1749 | set_cmd_completer (c, command_completer); |
d318976c FN |
1750 | add_com_alias ("q", "quit", class_support, 1); |
1751 | add_com_alias ("h", "help", class_support, 1); | |
1752 | ||
5bf193a2 AC |
1753 | add_setshow_boolean_cmd ("verbose", class_support, &info_verbose, _("\ |
1754 | Set verbosity."), _("\ | |
1755 | Show verbosity."), NULL, | |
1756 | set_verbose, | |
920d2a44 | 1757 | show_info_verbose, |
5bf193a2 | 1758 | &setlist, &showlist); |
d318976c FN |
1759 | |
1760 | add_prefix_cmd ("history", class_support, set_history, | |
1bedd215 | 1761 | _("Generic command for setting command history parameters."), |
d318976c FN |
1762 | &sethistlist, "set history ", 0, &setlist); |
1763 | add_prefix_cmd ("history", class_support, show_history, | |
1bedd215 | 1764 | _("Generic command for showing command history parameters."), |
d318976c FN |
1765 | &showhistlist, "show history ", 0, &showlist); |
1766 | ||
5bf193a2 AC |
1767 | add_setshow_boolean_cmd ("expansion", no_class, &history_expansion_p, _("\ |
1768 | Set history expansion on command input."), _("\ | |
1769 | Show history expansion on command input."), _("\ | |
1770 | Without an argument, history expansion is enabled."), | |
1771 | NULL, | |
920d2a44 | 1772 | show_history_expansion_p, |
5bf193a2 | 1773 | &sethistlist, &showhistlist); |
d318976c | 1774 | |
d729566a | 1775 | add_prefix_cmd ("info", class_info, info_command, _("\ |
1bedd215 | 1776 | Generic command for showing things about the program being debugged."), |
d729566a | 1777 | &infolist, "info ", 0, &cmdlist); |
d318976c | 1778 | add_com_alias ("i", "info", class_info, 1); |
a177aad3 | 1779 | add_com_alias ("inf", "info", class_info, 1); |
d318976c FN |
1780 | |
1781 | add_com ("complete", class_obscure, complete_command, | |
1bedd215 | 1782 | _("List the completions for the rest of the line as a command.")); |
d318976c | 1783 | |
d729566a | 1784 | add_prefix_cmd ("show", class_info, show_command, _("\ |
700b53b1 | 1785 | Generic command for showing things about the debugger."), |
d729566a | 1786 | &showlist, "show ", 0, &cmdlist); |
d318976c | 1787 | /* Another way to get at the same thing. */ |
1bedd215 | 1788 | add_info ("set", show_command, _("Show all GDB settings.")); |
d318976c | 1789 | |
db5f229b | 1790 | add_cmd ("commands", no_set_class, show_commands, _("\ |
1a966eab | 1791 | Show the history of commands you typed.\n\ |
d318976c | 1792 | You can supply a command number to start with, or a `+' to start after\n\ |
1a966eab | 1793 | the previous command number shown."), |
d318976c FN |
1794 | &showlist); |
1795 | ||
db5f229b | 1796 | add_cmd ("version", no_set_class, show_version, |
1a966eab | 1797 | _("Show what version of GDB this is."), &showlist); |
d318976c | 1798 | |
6eaaf48b EZ |
1799 | add_cmd ("configuration", no_set_class, show_configuration, |
1800 | _("Show how GDB was configured at build time."), &showlist); | |
1801 | ||
85c07804 AC |
1802 | add_setshow_zinteger_cmd ("remote", no_class, &remote_debug, _("\ |
1803 | Set debugging of remote protocol."), _("\ | |
1804 | Show debugging of remote protocol."), _("\ | |
d318976c | 1805 | When enabled, each packet sent or received with the remote target\n\ |
85c07804 AC |
1806 | is displayed."), |
1807 | NULL, | |
920d2a44 | 1808 | show_remote_debug, |
85c07804 | 1809 | &setdebuglist, &showdebuglist); |
d318976c | 1810 | |
6fc1c773 YQ |
1811 | add_setshow_zuinteger_unlimited_cmd ("remotetimeout", no_class, |
1812 | &remote_timeout, _("\ | |
c0d88b1b AC |
1813 | Set timeout limit to wait for target to respond."), _("\ |
1814 | Show timeout limit to wait for target to respond."), _("\ | |
d318976c | 1815 | This value is used to set the time limit for gdb to wait for a response\n\ |
c0d88b1b | 1816 | from the target."), |
6fc1c773 YQ |
1817 | NULL, |
1818 | show_remote_timeout, | |
1819 | &setlist, &showlist); | |
d318976c FN |
1820 | |
1821 | add_prefix_cmd ("debug", no_class, set_debug, | |
1bedd215 | 1822 | _("Generic command for setting gdb debugging flags"), |
d318976c FN |
1823 | &setdebuglist, "set debug ", 0, &setlist); |
1824 | ||
1825 | add_prefix_cmd ("debug", no_class, show_debug, | |
1bedd215 | 1826 | _("Generic command for showing gdb debugging flags"), |
d318976c FN |
1827 | &showdebuglist, "show debug ", 0, &showlist); |
1828 | ||
be47f9e8 | 1829 | c = add_com ("shell", class_support, shell_command, _("\ |
1bedd215 AC |
1830 | Execute the rest of the line as a shell command.\n\ |
1831 | With no arguments, run an inferior shell.")); | |
5ba2abeb | 1832 | set_cmd_completer (c, filename_completer); |
d318976c | 1833 | |
d563b953 PW |
1834 | add_com_alias ("!", "shell", class_support, 0); |
1835 | ||
1bedd215 AC |
1836 | c = add_com ("edit", class_files, edit_command, _("\ |
1837 | Edit specified file or function.\n\ | |
0378c332 | 1838 | With no argument, edits file containing most recent line listed.\n\ |
0378c332 FN |
1839 | Editing targets can be specified in these ways:\n\ |
1840 | FILE:LINENUM, to edit at that line in that file,\n\ | |
1841 | FUNCTION, to edit at the beginning of that function,\n\ | |
1842 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1843 | *ADDRESS, to edit at the line containing that address.\n\ | |
1bedd215 | 1844 | Uses EDITOR environment variable contents as editor (or ex as default).")); |
0378c332 FN |
1845 | |
1846 | c->completer = location_completer; | |
1847 | ||
1bedd215 AC |
1848 | add_com ("list", class_files, list_command, _("\ |
1849 | List specified function or line.\n\ | |
0378c332 FN |
1850 | With no argument, lists ten more lines after or around previous listing.\n\ |
1851 | \"list -\" lists the ten lines before a previous ten-line listing.\n\ | |
1852 | One argument specifies a line, and ten lines are listed around that line.\n\ | |
1853 | Two arguments with comma between specify starting and ending lines to list.\n\ | |
0378c332 FN |
1854 | Lines can be specified in these ways:\n\ |
1855 | LINENUM, to list around that line in current file,\n\ | |
1856 | FILE:LINENUM, to list around that line in that file,\n\ | |
1857 | FUNCTION, to list around beginning of that function,\n\ | |
1858 | FILE:FUNCTION, to distinguish among like-named static functions.\n\ | |
1859 | *ADDRESS, to list around the line containing that address.\n\ | |
4fdd372d AB |
1860 | With two args, if one is empty, it stands for ten lines away from\n\ |
1861 | the other arg.\n\ | |
1862 | \n\ | |
1863 | By default, when a single location is given, display ten lines.\n\ | |
1864 | This can be changed using \"set listsize\", and the current value\n\ | |
1865 | can be shown using \"show listsize\".")); | |
0378c332 | 1866 | |
4f45d445 | 1867 | add_com_alias ("l", "list", class_files, 1); |
0378c332 FN |
1868 | |
1869 | if (dbx_commands) | |
1870 | add_com_alias ("file", "list", class_files, 1); | |
1871 | ||
1bedd215 AC |
1872 | c = add_com ("disassemble", class_vars, disassemble_command, _("\ |
1873 | Disassemble a specified section of memory.\n\ | |
83c31e7d | 1874 | Default is the function surrounding the pc of the selected frame.\n\ |
6ff0ba5f | 1875 | \n\ |
d14508fe | 1876 | With a /m modifier, source lines are included (if available).\n\ |
6ff0ba5f DE |
1877 | This view is \"source centric\": the output is in source line order,\n\ |
1878 | regardless of any optimization that is present. Only the main source file\n\ | |
1879 | is displayed, not those of, e.g., any inlined functions.\n\ | |
1880 | This modifier hasn't proved useful in practice and is deprecated\n\ | |
1881 | in favor of /s.\n\ | |
1882 | \n\ | |
1883 | With a /s modifier, source lines are included (if available).\n\ | |
1884 | This differs from /m in two important respects:\n\ | |
1885 | - the output is still in pc address order, and\n\ | |
1886 | - file names and contents for all relevant source files are displayed.\n\ | |
1887 | \n\ | |
e6158f16 | 1888 | With a /r modifier, raw instructions in hex are included.\n\ |
6ff0ba5f | 1889 | \n\ |
83c31e7d | 1890 | With a single argument, the function surrounding that address is dumped.\n\ |
53a71c06 | 1891 | Two arguments (separated by a comma) are taken as a range of memory to dump,\n\ |
7e1e0340 DE |
1892 | in the form of \"start,end\", or \"start,+length\".\n\ |
1893 | \n\ | |
1894 | Note that the address is interpreted as an expression, not as a location\n\ | |
1895 | like in the \"break\" command.\n\ | |
1896 | So, for example, if you want to disassemble function bar in file foo.c\n\ | |
1897 | you must type \"disassemble 'foo.c'::bar\" and not \"disassemble foo.c:bar\".")); | |
83c31e7d | 1898 | set_cmd_completer (c, location_completer); |
0378c332 | 1899 | |
1bedd215 AC |
1900 | c = add_com ("make", class_support, make_command, _("\ |
1901 | Run the ``make'' program using the rest of the line as arguments.")); | |
5ba2abeb | 1902 | set_cmd_completer (c, filename_completer); |
1a966eab | 1903 | add_cmd ("user", no_class, show_user, _("\ |
ed3ef339 | 1904 | Show definitions of non-python/scheme user defined commands.\n\ |
d318976c | 1905 | Argument is the name of the user defined command.\n\ |
1a966eab | 1906 | With no argument, show definitions of all user defined commands."), &showlist); |
1bedd215 AC |
1907 | add_com ("apropos", class_support, apropos_command, |
1908 | _("Search for commands matching a REGEXP")); | |
20f01a46 | 1909 | |
883b9c6c | 1910 | add_setshow_uinteger_cmd ("max-user-call-depth", no_class, |
c0d88b1b | 1911 | &max_user_call_depth, _("\ |
ed3ef339 DE |
1912 | Set the max call depth for non-python/scheme user-defined commands."), _("\ |
1913 | Show the max call depth for non-python/scheme user-defined commands."), NULL, | |
883b9c6c YQ |
1914 | NULL, |
1915 | show_max_user_call_depth, | |
1916 | &setlist, &showlist); | |
16026cd7 AS |
1917 | |
1918 | add_setshow_boolean_cmd ("trace-commands", no_class, &trace_commands, _("\ | |
1919 | Set tracing of GDB CLI commands."), _("\ | |
1920 | Show state of GDB CLI command tracing."), _("\ | |
1921 | When 'on', each command is displayed as it is executed."), | |
1922 | NULL, | |
1923 | NULL, | |
1924 | &setlist, &showlist); | |
5a56e9c5 DE |
1925 | |
1926 | c = add_com ("alias", class_support, alias_command, _("\ | |
1927 | Define a new command that is an alias of an existing command.\n\ | |
1928 | Usage: alias [-a] [--] ALIAS = COMMAND\n\ | |
1929 | ALIAS is the name of the alias command to create.\n\ | |
1930 | COMMAND is the command being aliased to.\n\ | |
1931 | If \"-a\" is specified, the command is an abbreviation,\n\ | |
1932 | and will not appear in help command list output.\n\ | |
1933 | \n\ | |
1934 | Examples:\n\ | |
1935 | Make \"spe\" an alias of \"set print elements\":\n\ | |
1936 | alias spe = set print elements\n\ | |
1937 | Make \"elms\" an alias of \"elements\" in the \"set print\" command:\n\ | |
1938 | alias -a set print elms = set print elements")); | |
d318976c | 1939 | } |
43e4916f TT |
1940 | |
1941 | void | |
1942 | init_cli_cmds (void) | |
1943 | { | |
1944 | struct cmd_list_element *c; | |
1945 | char *source_help_text; | |
1946 | ||
1947 | source_help_text = xstrprintf (_("\ | |
1948 | Read commands from a file named FILE.\n\ | |
1949 | \n\ | |
1950 | Usage: source [-s] [-v] FILE\n\ | |
1951 | -s: search for the script in the source search path,\n\ | |
1952 | even if FILE contains directories.\n\ | |
1953 | -v: each command in FILE is echoed as it is executed.\n\ | |
1954 | \n\ | |
1955 | Note that the file \"%s\" is read automatically in this way\n\ | |
1956 | when GDB is started."), gdbinit); | |
1957 | c = add_cmd ("source", class_support, source_command, | |
1958 | source_help_text, &cmdlist); | |
1959 | set_cmd_completer (c, filename_completer); | |
1960 | } |