Commit | Line | Data |
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c906108c | 1 | /* Top level stuff for GDB, the GNU debugger. |
4389a95a | 2 | |
ecd75fc8 | 3 | Copyright (C) 1986-2014 Free Software Foundation, Inc. |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
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 |
c5aa993b | 10 | (at your option) any later version. |
c906108c | 11 | |
c5aa993b JM |
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. | |
c906108c | 16 | |
c5aa993b | 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/>. */ |
c906108c SS |
19 | |
20 | #include "defs.h" | |
c906108c SS |
21 | #include "top.h" |
22 | #include "target.h" | |
23 | #include "inferior.h" | |
1adeb98a FN |
24 | #include "symfile.h" |
25 | #include "gdbcore.h" | |
c906108c | 26 | |
60250e8b | 27 | #include "exceptions.h" |
c906108c SS |
28 | #include "getopt.h" |
29 | ||
30 | #include <sys/types.h> | |
53ce3c39 | 31 | #include <sys/stat.h> |
c906108c SS |
32 | #include <ctype.h> |
33 | ||
0e9f083f | 34 | #include <string.h> |
9e0b60a8 | 35 | #include "event-loop.h" |
8b93c638 | 36 | #include "ui-out.h" |
6457bd47 | 37 | |
4389a95a | 38 | #include "interps.h" |
f15ab4a7 | 39 | #include "main.h" |
29b0e8a2 | 40 | #include "source.h" |
4cc23ede | 41 | #include "cli/cli-cmds.h" |
7f6130ff | 42 | #include "objfiles.h" |
e2207b9a | 43 | #include "auto-load.h" |
bd712aed | 44 | #include "maint.h" |
29b0e8a2 | 45 | |
b5981e5a | 46 | #include "filenames.h" |
614c279d | 47 | #include "filestuff.h" |
b5981e5a | 48 | |
4389a95a AC |
49 | /* The selected interpreter. This will be used as a set command |
50 | variable, so it should always be malloc'ed - since | |
371d5dec | 51 | do_setshow_command will free it. */ |
fb40c209 | 52 | char *interpreter_p; |
fb40c209 | 53 | |
371d5dec | 54 | /* Whether xdb commands will be handled. */ |
c906108c SS |
55 | int xdb_commands = 0; |
56 | ||
371d5dec | 57 | /* Whether dbx commands will be handled. */ |
c906108c SS |
58 | int dbx_commands = 0; |
59 | ||
030292b7 DJ |
60 | /* System root path, used to find libraries etc. */ |
61 | char *gdb_sysroot = 0; | |
62 | ||
b14b1491 TT |
63 | /* GDB datadir, used to store data files. */ |
64 | char *gdb_datadir = 0; | |
65 | ||
e64e0392 DE |
66 | /* Non-zero if GDB_DATADIR was provided on the command line. |
67 | This doesn't track whether data-directory is set later from the | |
68 | command line, but we don't reread system.gdbinit when that happens. */ | |
69 | static int gdb_datadir_provided = 0; | |
70 | ||
0c4a4063 DE |
71 | /* If gdb was configured with --with-python=/path, |
72 | the possibly relocated path to python's lib directory. */ | |
73 | char *python_libdir = 0; | |
74 | ||
d9fcf2fb JM |
75 | struct ui_file *gdb_stdout; |
76 | struct ui_file *gdb_stderr; | |
77 | struct ui_file *gdb_stdlog; | |
449092f6 | 78 | struct ui_file *gdb_stdin; |
371d5dec | 79 | /* Target IO streams. */ |
449092f6 | 80 | struct ui_file *gdb_stdtargin; |
22e8e3c7 | 81 | struct ui_file *gdb_stdtarg; |
449092f6 | 82 | struct ui_file *gdb_stdtargerr; |
c906108c | 83 | |
7c953934 TT |
84 | /* True if --batch or --batch-silent was seen. */ |
85 | int batch_flag = 0; | |
86 | ||
1a088d06 AS |
87 | /* Support for the --batch-silent option. */ |
88 | int batch_silent = 0; | |
89 | ||
4b0ad762 AS |
90 | /* Support for --return-child-result option. |
91 | Set the default to -1 to return error in the case | |
92 | that the program does not run or does not complete. */ | |
93 | int return_child_result = 0; | |
94 | int return_child_result_value = -1; | |
95 | ||
c906108c | 96 | |
16e7150e JG |
97 | /* GDB as it has been invoked from the command line (i.e. argv[0]). */ |
98 | static char *gdb_program_name; | |
99 | ||
c88a1531 AB |
100 | /* Return read only pointer to GDB_PROGRAM_NAME. */ |
101 | const char * | |
102 | get_gdb_program_name (void) | |
103 | { | |
104 | return gdb_program_name; | |
105 | } | |
106 | ||
d9fcf2fb | 107 | static void print_gdb_help (struct ui_file *); |
c906108c | 108 | |
8d551b02 DE |
109 | /* Set the data-directory parameter to NEW_DATADIR. |
110 | If NEW_DATADIR is not a directory then a warning is printed. | |
111 | We don't signal an error for backward compatibility. */ | |
112 | ||
113 | void | |
114 | set_gdb_data_directory (const char *new_datadir) | |
115 | { | |
116 | struct stat st; | |
117 | ||
118 | if (stat (new_datadir, &st) < 0) | |
119 | { | |
120 | int save_errno = errno; | |
121 | ||
122 | fprintf_unfiltered (gdb_stderr, "Warning: "); | |
123 | print_sys_errmsg (new_datadir, save_errno); | |
124 | } | |
125 | else if (!S_ISDIR (st.st_mode)) | |
126 | warning (_("%s is not a directory."), new_datadir); | |
127 | ||
128 | xfree (gdb_datadir); | |
129 | gdb_datadir = gdb_realpath (new_datadir); | |
130 | ||
131 | /* gdb_realpath won't return an absolute path if the path doesn't exist, | |
132 | but we still want to record an absolute path here. If the user entered | |
133 | "../foo" and "../foo" doesn't exist then we'll record $(pwd)/../foo which | |
134 | isn't canonical, but that's ok. */ | |
135 | if (!IS_ABSOLUTE_PATH (gdb_datadir)) | |
136 | { | |
137 | char *abs_datadir = gdb_abspath (gdb_datadir); | |
138 | ||
139 | xfree (gdb_datadir); | |
140 | gdb_datadir = abs_datadir; | |
141 | } | |
142 | } | |
143 | ||
b14b1491 TT |
144 | /* Relocate a file or directory. PROGNAME is the name by which gdb |
145 | was invoked (i.e., argv[0]). INITIAL is the default value for the | |
146 | file or directory. FLAG is true if the value is relocatable, false | |
147 | otherwise. Returns a newly allocated string; this may return NULL | |
148 | under the same conditions as make_relative_prefix. */ | |
478aac75 | 149 | |
b14b1491 TT |
150 | static char * |
151 | relocate_path (const char *progname, const char *initial, int flag) | |
152 | { | |
153 | if (flag) | |
154 | return make_relative_prefix (progname, BINDIR, initial); | |
155 | return xstrdup (initial); | |
156 | } | |
157 | ||
158 | /* Like relocate_path, but specifically checks for a directory. | |
159 | INITIAL is relocated according to the rules of relocate_path. If | |
160 | the result is a directory, it is used; otherwise, INITIAL is used. | |
161 | The chosen directory is then canonicalized using lrealpath. This | |
162 | function always returns a newly-allocated string. */ | |
478aac75 DE |
163 | |
164 | char * | |
165 | relocate_gdb_directory (const char *initial, int flag) | |
b14b1491 TT |
166 | { |
167 | char *dir; | |
168 | ||
478aac75 | 169 | dir = relocate_path (gdb_program_name, initial, flag); |
b14b1491 TT |
170 | if (dir) |
171 | { | |
172 | struct stat s; | |
173 | ||
78a8b30e | 174 | if (*dir == '\0' || stat (dir, &s) != 0 || !S_ISDIR (s.st_mode)) |
b14b1491 TT |
175 | { |
176 | xfree (dir); | |
177 | dir = NULL; | |
178 | } | |
179 | } | |
180 | if (!dir) | |
181 | dir = xstrdup (initial); | |
182 | ||
183 | /* Canonicalize the directory. */ | |
184 | if (*dir) | |
185 | { | |
186 | char *canon_sysroot = lrealpath (dir); | |
b8d56208 | 187 | |
b14b1491 TT |
188 | if (canon_sysroot) |
189 | { | |
190 | xfree (dir); | |
191 | dir = canon_sysroot; | |
192 | } | |
193 | } | |
194 | ||
195 | return dir; | |
196 | } | |
197 | ||
371d5dec MS |
198 | /* Compute the locations of init files that GDB should source and |
199 | return them in SYSTEM_GDBINIT, HOME_GDBINIT, LOCAL_GDBINIT. If | |
200 | there is no system gdbinit (resp. home gdbinit and local gdbinit) | |
201 | to be loaded, then SYSTEM_GDBINIT (resp. HOME_GDBINIT and | |
202 | LOCAL_GDBINIT) is set to NULL. */ | |
16e7150e | 203 | static void |
50dd9793 PA |
204 | get_init_files (const char **system_gdbinit, |
205 | const char **home_gdbinit, | |
206 | const char **local_gdbinit) | |
16e7150e | 207 | { |
50dd9793 | 208 | static const char *sysgdbinit = NULL; |
16e7150e | 209 | static char *homeinit = NULL; |
50dd9793 | 210 | static const char *localinit = NULL; |
16e7150e JG |
211 | static int initialized = 0; |
212 | ||
213 | if (!initialized) | |
214 | { | |
215 | struct stat homebuf, cwdbuf, s; | |
e64e0392 | 216 | char *homedir; |
16e7150e | 217 | |
b14b1491 | 218 | if (SYSTEM_GDBINIT[0]) |
16e7150e | 219 | { |
e64e0392 DE |
220 | int datadir_len = strlen (GDB_DATADIR); |
221 | int sys_gdbinit_len = strlen (SYSTEM_GDBINIT); | |
222 | char *relocated_sysgdbinit; | |
223 | ||
224 | /* If SYSTEM_GDBINIT lives in data-directory, and data-directory | |
225 | has been provided, search for SYSTEM_GDBINIT there. */ | |
226 | if (gdb_datadir_provided | |
227 | && datadir_len < sys_gdbinit_len | |
b5981e5a EZ |
228 | && filename_ncmp (SYSTEM_GDBINIT, GDB_DATADIR, datadir_len) == 0 |
229 | && IS_DIR_SEPARATOR (SYSTEM_GDBINIT[datadir_len])) | |
e64e0392 DE |
230 | { |
231 | /* Append the part of SYSTEM_GDBINIT that follows GDB_DATADIR | |
232 | to gdb_datadir. */ | |
233 | char *tmp_sys_gdbinit = xstrdup (SYSTEM_GDBINIT + datadir_len); | |
234 | char *p; | |
235 | ||
b5981e5a | 236 | for (p = tmp_sys_gdbinit; IS_DIR_SEPARATOR (*p); ++p) |
e64e0392 DE |
237 | continue; |
238 | relocated_sysgdbinit = concat (gdb_datadir, SLASH_STRING, p, | |
239 | NULL); | |
240 | xfree (tmp_sys_gdbinit); | |
241 | } | |
242 | else | |
243 | { | |
244 | relocated_sysgdbinit = relocate_path (gdb_program_name, | |
245 | SYSTEM_GDBINIT, | |
246 | SYSTEM_GDBINIT_RELOCATABLE); | |
247 | } | |
b14b1491 | 248 | if (relocated_sysgdbinit && stat (relocated_sysgdbinit, &s) == 0) |
16e7150e JG |
249 | sysgdbinit = relocated_sysgdbinit; |
250 | else | |
251 | xfree (relocated_sysgdbinit); | |
252 | } | |
16e7150e JG |
253 | |
254 | homedir = getenv ("HOME"); | |
255 | ||
256 | /* If the .gdbinit file in the current directory is the same as | |
257 | the $HOME/.gdbinit file, it should not be sourced. homebuf | |
025bb325 | 258 | and cwdbuf are used in that purpose. Make sure that the stats |
16e7150e JG |
259 | are zero in case one of them fails (this guarantees that they |
260 | won't match if either exists). */ | |
261 | ||
262 | memset (&homebuf, 0, sizeof (struct stat)); | |
263 | memset (&cwdbuf, 0, sizeof (struct stat)); | |
264 | ||
265 | if (homedir) | |
266 | { | |
267 | homeinit = xstrprintf ("%s/%s", homedir, gdbinit); | |
268 | if (stat (homeinit, &homebuf) != 0) | |
269 | { | |
270 | xfree (homeinit); | |
271 | homeinit = NULL; | |
272 | } | |
273 | } | |
274 | ||
275 | if (stat (gdbinit, &cwdbuf) == 0) | |
276 | { | |
277 | if (!homeinit | |
278 | || memcmp ((char *) &homebuf, (char *) &cwdbuf, | |
279 | sizeof (struct stat))) | |
280 | localinit = gdbinit; | |
281 | } | |
282 | ||
283 | initialized = 1; | |
284 | } | |
285 | ||
286 | *system_gdbinit = sysgdbinit; | |
287 | *home_gdbinit = homeinit; | |
288 | *local_gdbinit = localinit; | |
289 | } | |
290 | ||
11cf8741 | 291 | /* Call command_loop. If it happens to return, pass that through as a |
371d5dec | 292 | non-zero return status. */ |
11cf8741 JM |
293 | |
294 | static int | |
295 | captured_command_loop (void *data) | |
c906108c | 296 | { |
bb5291d0 | 297 | /* Top-level execution commands can be run in the background from |
b4a14fd0 PA |
298 | here on. */ |
299 | interpreter_async = 1; | |
300 | ||
4389a95a | 301 | current_interp_command_loop (); |
11cf8741 JM |
302 | /* FIXME: cagney/1999-11-05: A correct command_loop() implementaton |
303 | would clean things up (restoring the cleanup chain) to the state | |
304 | they were just prior to the call. Technically, this means that | |
e26cc349 | 305 | the do_cleanups() below is redundant. Unfortunately, many FUNCs |
11cf8741 JM |
306 | are not that well behaved. do_cleanups should either be replaced |
307 | with a do_cleanups call (to cover the problem) or an assertion | |
371d5dec | 308 | check to detect bad FUNCs code. */ |
6328eb38 | 309 | do_cleanups (all_cleanups ()); |
11cf8741 | 310 | /* If the command_loop returned, normally (rather than threw an |
025bb325 | 311 | error) we try to quit. If the quit is aborted, catch_errors() |
11cf8741 | 312 | which called this catch the signal and restart the command |
371d5dec | 313 | loop. */ |
11cf8741 JM |
314 | quit_command (NULL, instream == stdin); |
315 | return 1; | |
316 | } | |
317 | ||
26743505 JK |
318 | /* Arguments of --command option and its counterpart. */ |
319 | typedef struct cmdarg { | |
320 | /* Type of this option. */ | |
321 | enum { | |
322 | /* Option type -x. */ | |
323 | CMDARG_FILE, | |
324 | ||
325 | /* Option type -ex. */ | |
8320cc4f JK |
326 | CMDARG_COMMAND, |
327 | ||
328 | /* Option type -ix. */ | |
329 | CMDARG_INIT_FILE, | |
330 | ||
331 | /* Option type -iex. */ | |
332 | CMDARG_INIT_COMMAND | |
26743505 JK |
333 | } type; |
334 | ||
335 | /* Value of this option - filename or the GDB command itself. String memory | |
336 | is not owned by this structure despite it is 'const'. */ | |
337 | char *string; | |
338 | } cmdarg_s; | |
339 | ||
340 | /* Define type VEC (cmdarg_s). */ | |
341 | DEF_VEC_O (cmdarg_s); | |
342 | ||
11cf8741 JM |
343 | static int |
344 | captured_main (void *data) | |
345 | { | |
346 | struct captured_main_args *context = data; | |
347 | int argc = context->argc; | |
348 | char **argv = context->argv; | |
c906108c | 349 | static int quiet = 0; |
552c04a7 | 350 | static int set_args = 0; |
07540c15 | 351 | static int inhibit_home_gdbinit = 0; |
c906108c SS |
352 | |
353 | /* Pointers to various arguments from command line. */ | |
354 | char *symarg = NULL; | |
355 | char *execarg = NULL; | |
a4d9b460 | 356 | char *pidarg = NULL; |
c906108c | 357 | char *corearg = NULL; |
a4d9b460 | 358 | char *pid_or_core_arg = NULL; |
c906108c SS |
359 | char *cdarg = NULL; |
360 | char *ttyarg = NULL; | |
361 | ||
371d5dec MS |
362 | /* These are static so that we can take their address in an |
363 | initializer. */ | |
c906108c SS |
364 | static int print_help; |
365 | static int print_version; | |
6eaaf48b | 366 | static int print_configuration; |
c906108c SS |
367 | |
368 | /* Pointers to all arguments of --command option. */ | |
26743505 JK |
369 | VEC (cmdarg_s) *cmdarg_vec = NULL; |
370 | struct cmdarg *cmdarg_p; | |
c906108c SS |
371 | |
372 | /* Indices of all arguments of --directory option. */ | |
373 | char **dirarg; | |
374 | /* Allocated size. */ | |
375 | int dirsize; | |
376 | /* Number of elements used. */ | |
377 | int ndir; | |
c5aa993b | 378 | |
16e7150e | 379 | /* gdb init files. */ |
50dd9793 PA |
380 | const char *system_gdbinit; |
381 | const char *home_gdbinit; | |
382 | const char *local_gdbinit; | |
c906108c | 383 | |
52f0bd74 | 384 | int i; |
88a1906b | 385 | int save_auto_load; |
7f6130ff | 386 | struct objfile *objfile; |
c906108c | 387 | |
e565b837 DE |
388 | struct cleanup *pre_stat_chain; |
389 | ||
390 | #ifdef HAVE_SBRK | |
391 | /* Set this before calling make_command_stats_cleanup. */ | |
392 | lim_at_start = (char *) sbrk (0); | |
393 | #endif | |
394 | ||
395 | pre_stat_chain = make_command_stats_cleanup (0); | |
c906108c | 396 | |
0fbb3da7 TT |
397 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) |
398 | setlocale (LC_MESSAGES, ""); | |
399 | #endif | |
400 | #if defined (HAVE_SETLOCALE) | |
401 | setlocale (LC_CTYPE, ""); | |
402 | #endif | |
403 | bindtextdomain (PACKAGE, LOCALEDIR); | |
404 | textdomain (PACKAGE); | |
405 | ||
5484b13a | 406 | bfd_init (); |
614c279d | 407 | notice_open_fds (); |
5484b13a | 408 | |
26743505 | 409 | make_cleanup (VEC_cleanup (cmdarg_s), &cmdarg_vec); |
c906108c SS |
410 | dirsize = 1; |
411 | dirarg = (char **) xmalloc (dirsize * sizeof (*dirarg)); | |
412 | ndir = 0; | |
413 | ||
522002f9 | 414 | clear_quit_flag (); |
dc7eb48e PA |
415 | saved_command_line = (char *) xmalloc (saved_command_line_size); |
416 | saved_command_line[0] = '\0'; | |
c906108c SS |
417 | instream = stdin; |
418 | ||
ffa4ac95 YQ |
419 | #ifdef __MINGW32__ |
420 | /* Ensure stderr is unbuffered. A Cygwin pty or pipe is implemented | |
421 | as a Windows pipe, and Windows buffers on pipes. */ | |
422 | setvbuf (stderr, NULL, _IONBF, BUFSIZ); | |
423 | #endif | |
424 | ||
da59e081 | 425 | gdb_stdout = stdio_fileopen (stdout); |
ffa4ac95 YQ |
426 | gdb_stderr = stderr_fileopen (); |
427 | ||
da59e081 JM |
428 | gdb_stdlog = gdb_stderr; /* for moment */ |
429 | gdb_stdtarg = gdb_stderr; /* for moment */ | |
449092f6 CV |
430 | gdb_stdin = stdio_fileopen (stdin); |
431 | gdb_stdtargerr = gdb_stderr; /* for moment */ | |
432 | gdb_stdtargin = gdb_stdin; /* for moment */ | |
c906108c | 433 | |
b5981e5a EZ |
434 | #ifdef __MINGW32__ |
435 | /* On Windows, argv[0] is not necessarily set to absolute form when | |
436 | GDB is found along PATH, without which relocation doesn't work. */ | |
437 | gdb_program_name = windows_get_absolute_argv0 (argv[0]); | |
438 | #else | |
16e7150e | 439 | gdb_program_name = xstrdup (argv[0]); |
b5981e5a | 440 | #endif |
16e7150e | 441 | |
bf1d7d9c JB |
442 | if (! getcwd (gdb_dirbuf, sizeof (gdb_dirbuf))) |
443 | /* Don't use *_filtered or warning() (which relies on | |
371d5dec | 444 | current_target) until after initialize_all_files(). */ |
bf1d7d9c | 445 | fprintf_unfiltered (gdb_stderr, |
3e43a32a MS |
446 | _("%s: warning: error finding " |
447 | "working directory: %s\n"), | |
bf1d7d9c JB |
448 | argv[0], safe_strerror (errno)); |
449 | ||
450 | current_directory = gdb_dirbuf; | |
451 | ||
030292b7 | 452 | /* Set the sysroot path. */ |
478aac75 DE |
453 | gdb_sysroot = relocate_gdb_directory (TARGET_SYSTEM_ROOT, |
454 | TARGET_SYSTEM_ROOT_RELOCATABLE); | |
030292b7 | 455 | |
478aac75 DE |
456 | debug_file_directory = relocate_gdb_directory (DEBUGDIR, |
457 | DEBUGDIR_RELOCATABLE); | |
030292b7 | 458 | |
478aac75 DE |
459 | gdb_datadir = relocate_gdb_directory (GDB_DATADIR, |
460 | GDB_DATADIR_RELOCATABLE); | |
aa28a74e | 461 | |
0c4a4063 | 462 | #ifdef WITH_PYTHON_PATH |
e6040cbd MS |
463 | { |
464 | /* For later use in helping Python find itself. */ | |
465 | char *tmp = concat (WITH_PYTHON_PATH, SLASH_STRING, "lib", NULL); | |
466 | ||
478aac75 | 467 | python_libdir = relocate_gdb_directory (tmp, PYTHON_PATH_RELOCATABLE); |
e6040cbd MS |
468 | xfree (tmp); |
469 | } | |
0c4a4063 DE |
470 | #endif |
471 | ||
29b0e8a2 JM |
472 | #ifdef RELOC_SRCDIR |
473 | add_substitute_path_rule (RELOC_SRCDIR, | |
b5981e5a | 474 | make_relative_prefix (gdb_program_name, BINDIR, |
29b0e8a2 JM |
475 | RELOC_SRCDIR)); |
476 | #endif | |
477 | ||
4389a95a | 478 | /* There will always be an interpreter. Either the one passed into |
e46e5ccd KS |
479 | this captured main, or one specified by the user at start up, or |
480 | the console. Initialize the interpreter to the one requested by | |
481 | the application. */ | |
11bf1490 | 482 | interpreter_p = xstrdup (context->interpreter_p); |
4389a95a | 483 | |
c906108c SS |
484 | /* Parse arguments and options. */ |
485 | { | |
486 | int c; | |
487 | /* When var field is 0, use flag field to record the equivalent | |
488 | short option (or arbitrary numbers starting at 10 for those | |
489 | with no equivalent). */ | |
49c7e338 AC |
490 | enum { |
491 | OPT_SE = 10, | |
492 | OPT_CD, | |
493 | OPT_ANNOTATE, | |
494 | OPT_STATISTICS, | |
42fa7c0f AC |
495 | OPT_TUI, |
496 | OPT_NOWINDOWS, | |
8320cc4f JK |
497 | OPT_WINDOWS, |
498 | OPT_IX, | |
499 | OPT_IEX | |
49c7e338 | 500 | }; |
c906108c | 501 | static struct option long_options[] = |
c5aa993b | 502 | { |
49c7e338 | 503 | {"tui", no_argument, 0, OPT_TUI}, |
c5aa993b JM |
504 | {"xdb", no_argument, &xdb_commands, 1}, |
505 | {"dbx", no_argument, &dbx_commands, 1}, | |
506 | {"readnow", no_argument, &readnow_symbol_files, 1}, | |
507 | {"r", no_argument, &readnow_symbol_files, 1}, | |
c5aa993b JM |
508 | {"quiet", no_argument, &quiet, 1}, |
509 | {"q", no_argument, &quiet, 1}, | |
510 | {"silent", no_argument, &quiet, 1}, | |
07540c15 | 511 | {"nh", no_argument, &inhibit_home_gdbinit, 1}, |
c5aa993b JM |
512 | {"nx", no_argument, &inhibit_gdbinit, 1}, |
513 | {"n", no_argument, &inhibit_gdbinit, 1}, | |
1a088d06 | 514 | {"batch-silent", no_argument, 0, 'B'}, |
7c953934 | 515 | {"batch", no_argument, &batch_flag, 1}, |
c5aa993b | 516 | |
371d5dec MS |
517 | /* This is a synonym for "--annotate=1". --annotate is now |
518 | preferred, but keep this here for a long time because people | |
519 | will be running emacses which use --fullname. */ | |
c5aa993b JM |
520 | {"fullname", no_argument, 0, 'f'}, |
521 | {"f", no_argument, 0, 'f'}, | |
522 | ||
49c7e338 | 523 | {"annotate", required_argument, 0, OPT_ANNOTATE}, |
c5aa993b | 524 | {"help", no_argument, &print_help, 1}, |
49c7e338 | 525 | {"se", required_argument, 0, OPT_SE}, |
c5aa993b JM |
526 | {"symbols", required_argument, 0, 's'}, |
527 | {"s", required_argument, 0, 's'}, | |
528 | {"exec", required_argument, 0, 'e'}, | |
529 | {"e", required_argument, 0, 'e'}, | |
530 | {"core", required_argument, 0, 'c'}, | |
531 | {"c", required_argument, 0, 'c'}, | |
00546b04 MS |
532 | {"pid", required_argument, 0, 'p'}, |
533 | {"p", required_argument, 0, 'p'}, | |
c5aa993b | 534 | {"command", required_argument, 0, 'x'}, |
8a5a3c82 | 535 | {"eval-command", required_argument, 0, 'X'}, |
c5aa993b | 536 | {"version", no_argument, &print_version, 1}, |
6eaaf48b | 537 | {"configuration", no_argument, &print_configuration, 1}, |
c5aa993b | 538 | {"x", required_argument, 0, 'x'}, |
8a5a3c82 | 539 | {"ex", required_argument, 0, 'X'}, |
8320cc4f JK |
540 | {"init-command", required_argument, 0, OPT_IX}, |
541 | {"init-eval-command", required_argument, 0, OPT_IEX}, | |
542 | {"ix", required_argument, 0, OPT_IX}, | |
543 | {"iex", required_argument, 0, OPT_IEX}, | |
3fc11d3e JM |
544 | #ifdef GDBTK |
545 | {"tclcommand", required_argument, 0, 'z'}, | |
546 | {"enable-external-editor", no_argument, 0, 'y'}, | |
547 | {"editor-command", required_argument, 0, 'w'}, | |
548 | #endif | |
8b93c638 JM |
549 | {"ui", required_argument, 0, 'i'}, |
550 | {"interpreter", required_argument, 0, 'i'}, | |
551 | {"i", required_argument, 0, 'i'}, | |
c5aa993b | 552 | {"directory", required_argument, 0, 'd'}, |
c4093a6a | 553 | {"d", required_argument, 0, 'd'}, |
aae1c79a | 554 | {"data-directory", required_argument, 0, 'D'}, |
8d551b02 | 555 | {"D", required_argument, 0, 'D'}, |
49c7e338 | 556 | {"cd", required_argument, 0, OPT_CD}, |
c5aa993b JM |
557 | {"tty", required_argument, 0, 't'}, |
558 | {"baud", required_argument, 0, 'b'}, | |
559 | {"b", required_argument, 0, 'b'}, | |
42fa7c0f AC |
560 | {"nw", no_argument, NULL, OPT_NOWINDOWS}, |
561 | {"nowindows", no_argument, NULL, OPT_NOWINDOWS}, | |
562 | {"w", no_argument, NULL, OPT_WINDOWS}, | |
563 | {"windows", no_argument, NULL, OPT_WINDOWS}, | |
49c7e338 | 564 | {"statistics", no_argument, 0, OPT_STATISTICS}, |
c5aa993b | 565 | {"write", no_argument, &write_files, 1}, |
552c04a7 | 566 | {"args", no_argument, &set_args, 1}, |
39c76ca3 | 567 | {"l", required_argument, 0, 'l'}, |
4b0ad762 | 568 | {"return-child-result", no_argument, &return_child_result, 1}, |
c5aa993b JM |
569 | {0, no_argument, 0, 0} |
570 | }; | |
c906108c SS |
571 | |
572 | while (1) | |
573 | { | |
574 | int option_index; | |
575 | ||
576 | c = getopt_long_only (argc, argv, "", | |
577 | long_options, &option_index); | |
552c04a7 | 578 | if (c == EOF || set_args) |
c906108c SS |
579 | break; |
580 | ||
581 | /* Long option that takes an argument. */ | |
582 | if (c == 0 && long_options[option_index].flag == 0) | |
583 | c = long_options[option_index].val; | |
584 | ||
585 | switch (c) | |
586 | { | |
587 | case 0: | |
588 | /* Long option that just sets a flag. */ | |
589 | break; | |
49c7e338 | 590 | case OPT_SE: |
c906108c SS |
591 | symarg = optarg; |
592 | execarg = optarg; | |
593 | break; | |
49c7e338 | 594 | case OPT_CD: |
c906108c SS |
595 | cdarg = optarg; |
596 | break; | |
49c7e338 | 597 | case OPT_ANNOTATE: |
c906108c SS |
598 | /* FIXME: what if the syntax is wrong (e.g. not digits)? */ |
599 | annotation_level = atoi (optarg); | |
600 | break; | |
49c7e338 | 601 | case OPT_STATISTICS: |
c906108c | 602 | /* Enable the display of both time and space usage. */ |
bd712aed DE |
603 | set_per_command_time (1); |
604 | set_per_command_space (1); | |
c906108c | 605 | break; |
49c7e338 | 606 | case OPT_TUI: |
021e7609 | 607 | /* --tui is equivalent to -i=tui. */ |
b0da54f1 | 608 | #ifdef TUI |
021e7609 | 609 | xfree (interpreter_p); |
cc4349ed | 610 | interpreter_p = xstrdup (INTERP_TUI); |
b0da54f1 BW |
611 | #else |
612 | fprintf_unfiltered (gdb_stderr, | |
613 | _("%s: TUI mode is not supported\n"), | |
614 | argv[0]); | |
615 | exit (1); | |
616 | #endif | |
021e7609 | 617 | break; |
42fa7c0f AC |
618 | case OPT_WINDOWS: |
619 | /* FIXME: cagney/2003-03-01: Not sure if this option is | |
620 | actually useful, and if it is, what it should do. */ | |
cc4349ed AS |
621 | #ifdef GDBTK |
622 | /* --windows is equivalent to -i=insight. */ | |
623 | xfree (interpreter_p); | |
624 | interpreter_p = xstrdup (INTERP_INSIGHT); | |
625 | #endif | |
42fa7c0f AC |
626 | break; |
627 | case OPT_NOWINDOWS: | |
628 | /* -nw is equivalent to -i=console. */ | |
629 | xfree (interpreter_p); | |
630 | interpreter_p = xstrdup (INTERP_CONSOLE); | |
42fa7c0f | 631 | break; |
c906108c SS |
632 | case 'f': |
633 | annotation_level = 1; | |
c906108c SS |
634 | break; |
635 | case 's': | |
636 | symarg = optarg; | |
637 | break; | |
638 | case 'e': | |
639 | execarg = optarg; | |
640 | break; | |
641 | case 'c': | |
642 | corearg = optarg; | |
643 | break; | |
00546b04 | 644 | case 'p': |
a4d9b460 | 645 | pidarg = optarg; |
00546b04 | 646 | break; |
c906108c | 647 | case 'x': |
26743505 JK |
648 | { |
649 | struct cmdarg cmdarg = { CMDARG_FILE, optarg }; | |
650 | ||
651 | VEC_safe_push (cmdarg_s, cmdarg_vec, &cmdarg); | |
652 | } | |
8a5a3c82 AS |
653 | break; |
654 | case 'X': | |
26743505 JK |
655 | { |
656 | struct cmdarg cmdarg = { CMDARG_COMMAND, optarg }; | |
657 | ||
658 | VEC_safe_push (cmdarg_s, cmdarg_vec, &cmdarg); | |
659 | } | |
660 | break; | |
8320cc4f JK |
661 | case OPT_IX: |
662 | { | |
663 | struct cmdarg cmdarg = { CMDARG_INIT_FILE, optarg }; | |
664 | ||
665 | VEC_safe_push (cmdarg_s, cmdarg_vec, &cmdarg); | |
666 | } | |
667 | break; | |
668 | case OPT_IEX: | |
669 | { | |
670 | struct cmdarg cmdarg = { CMDARG_INIT_COMMAND, optarg }; | |
671 | ||
672 | VEC_safe_push (cmdarg_s, cmdarg_vec, &cmdarg); | |
673 | } | |
c906108c | 674 | break; |
1a088d06 | 675 | case 'B': |
7c953934 | 676 | batch_flag = batch_silent = 1; |
1a088d06 AS |
677 | gdb_stdout = ui_file_new(); |
678 | break; | |
aae1c79a | 679 | case 'D': |
8d551b02 DE |
680 | if (optarg[0] == '\0') |
681 | { | |
682 | fprintf_unfiltered (gdb_stderr, | |
683 | _("%s: empty path for" | |
684 | " `--data-directory'\n"), | |
685 | argv[0]); | |
686 | exit (1); | |
687 | } | |
688 | set_gdb_data_directory (optarg); | |
e64e0392 | 689 | gdb_datadir_provided = 1; |
aae1c79a | 690 | break; |
3fc11d3e JM |
691 | #ifdef GDBTK |
692 | case 'z': | |
693 | { | |
371d5dec MS |
694 | extern int gdbtk_test (char *); |
695 | ||
3fc11d3e JM |
696 | if (!gdbtk_test (optarg)) |
697 | { | |
3e43a32a MS |
698 | fprintf_unfiltered (gdb_stderr, |
699 | _("%s: unable to load " | |
700 | "tclcommand file \"%s\""), | |
3fc11d3e JM |
701 | argv[0], optarg); |
702 | exit (1); | |
703 | } | |
704 | break; | |
705 | } | |
706 | case 'y': | |
78f49586 TT |
707 | /* Backwards compatibility only. */ |
708 | break; | |
3fc11d3e JM |
709 | case 'w': |
710 | { | |
3a9b40b6 JK |
711 | /* Set the external editor commands when gdb is farming out files |
712 | to be edited by another program. */ | |
713 | extern char *external_editor_command; | |
714 | ||
3fc11d3e JM |
715 | external_editor_command = xstrdup (optarg); |
716 | break; | |
717 | } | |
718 | #endif /* GDBTK */ | |
fb40c209 | 719 | case 'i': |
4389a95a AC |
720 | xfree (interpreter_p); |
721 | interpreter_p = xstrdup (optarg); | |
fb40c209 | 722 | break; |
c906108c SS |
723 | case 'd': |
724 | dirarg[ndir++] = optarg; | |
725 | if (ndir >= dirsize) | |
726 | { | |
727 | dirsize *= 2; | |
c5aa993b | 728 | dirarg = (char **) xrealloc ((char *) dirarg, |
c906108c SS |
729 | dirsize * sizeof (*dirarg)); |
730 | } | |
731 | break; | |
732 | case 't': | |
733 | ttyarg = optarg; | |
734 | break; | |
735 | case 'q': | |
736 | quiet = 1; | |
737 | break; | |
738 | case 'b': | |
739 | { | |
740 | int i; | |
741 | char *p; | |
742 | ||
743 | i = strtol (optarg, &p, 0); | |
744 | if (i == 0 && p == optarg) | |
745 | ||
746 | /* Don't use *_filtered or warning() (which relies on | |
371d5dec | 747 | current_target) until after initialize_all_files(). */ |
c906108c SS |
748 | |
749 | fprintf_unfiltered | |
750 | (gdb_stderr, | |
defc6f8c | 751 | _("warning: could not set baud rate to `%s'.\n"), optarg); |
c906108c SS |
752 | else |
753 | baud_rate = i; | |
754 | } | |
046ca86a | 755 | break; |
c906108c SS |
756 | case 'l': |
757 | { | |
758 | int i; | |
759 | char *p; | |
760 | ||
761 | i = strtol (optarg, &p, 0); | |
762 | if (i == 0 && p == optarg) | |
763 | ||
764 | /* Don't use *_filtered or warning() (which relies on | |
371d5dec | 765 | current_target) until after initialize_all_files(). */ |
c906108c | 766 | |
3e43a32a MS |
767 | fprintf_unfiltered (gdb_stderr, |
768 | _("warning: could not set " | |
769 | "timeout limit to `%s'.\n"), optarg); | |
c906108c SS |
770 | else |
771 | remote_timeout = i; | |
772 | } | |
773 | break; | |
774 | ||
c906108c SS |
775 | case '?': |
776 | fprintf_unfiltered (gdb_stderr, | |
3e43a32a MS |
777 | _("Use `%s --help' for a " |
778 | "complete list of options.\n"), | |
c5aa993b | 779 | argv[0]); |
c906108c SS |
780 | exit (1); |
781 | } | |
782 | } | |
783 | ||
7c953934 | 784 | if (batch_flag) |
c906108c SS |
785 | quiet = 1; |
786 | } | |
787 | ||
0f71a2f6 | 788 | /* Initialize all files. Give the interpreter a chance to take |
ba5e7e8d | 789 | control of the console via the deprecated_init_ui_hook (). */ |
b5981e5a | 790 | gdb_init (gdb_program_name); |
c906108c | 791 | |
371d5dec MS |
792 | /* Now that gdb_init has created the initial inferior, we're in |
793 | position to set args for that inferior. */ | |
3f81c18a VP |
794 | if (set_args) |
795 | { | |
796 | /* The remaining options are the command-line options for the | |
797 | inferior. The first one is the sym/exec file, and the rest | |
798 | are arguments. */ | |
799 | if (optind >= argc) | |
800 | { | |
801 | fprintf_unfiltered (gdb_stderr, | |
3e43a32a MS |
802 | _("%s: `--args' specified but " |
803 | "no program specified\n"), | |
3f81c18a VP |
804 | argv[0]); |
805 | exit (1); | |
806 | } | |
807 | symarg = argv[optind]; | |
808 | execarg = argv[optind]; | |
809 | ++optind; | |
810 | set_inferior_args_vector (argc - optind, &argv[optind]); | |
811 | } | |
812 | else | |
813 | { | |
814 | /* OK, that's all the options. */ | |
815 | ||
816 | /* The first argument, if specified, is the name of the | |
817 | executable. */ | |
818 | if (optind < argc) | |
819 | { | |
820 | symarg = argv[optind]; | |
821 | execarg = argv[optind]; | |
822 | optind++; | |
823 | } | |
824 | ||
825 | /* If the user hasn't already specified a PID or the name of a | |
826 | core file, then a second optional argument is allowed. If | |
827 | present, this argument should be interpreted as either a | |
828 | PID or a core file, whichever works. */ | |
829 | if (pidarg == NULL && corearg == NULL && optind < argc) | |
830 | { | |
831 | pid_or_core_arg = argv[optind]; | |
832 | optind++; | |
833 | } | |
834 | ||
835 | /* Any argument left on the command line is unexpected and | |
836 | will be ignored. Inform the user. */ | |
837 | if (optind < argc) | |
3e43a32a MS |
838 | fprintf_unfiltered (gdb_stderr, |
839 | _("Excess command line " | |
840 | "arguments ignored. (%s%s)\n"), | |
3f81c18a VP |
841 | argv[optind], |
842 | (optind == argc - 1) ? "" : " ..."); | |
843 | } | |
844 | ||
025bb325 | 845 | /* Lookup gdbinit files. Note that the gdbinit file name may be |
371d5dec MS |
846 | overriden during file initialization, so get_init_files should be |
847 | called after gdb_init. */ | |
57a46001 JG |
848 | get_init_files (&system_gdbinit, &home_gdbinit, &local_gdbinit); |
849 | ||
c906108c | 850 | /* Do these (and anything which might call wrap_here or *_filtered) |
4389a95a AC |
851 | after initialize_all_files() but before the interpreter has been |
852 | installed. Otherwize the help/version messages will be eaten by | |
853 | the interpreter's output handler. */ | |
854 | ||
c906108c SS |
855 | if (print_version) |
856 | { | |
857 | print_gdb_version (gdb_stdout); | |
858 | wrap_here (""); | |
859 | printf_filtered ("\n"); | |
860 | exit (0); | |
861 | } | |
862 | ||
863 | if (print_help) | |
864 | { | |
865 | print_gdb_help (gdb_stdout); | |
866 | fputs_unfiltered ("\n", gdb_stdout); | |
867 | exit (0); | |
868 | } | |
869 | ||
6eaaf48b EZ |
870 | if (print_configuration) |
871 | { | |
872 | print_gdb_configuration (gdb_stdout); | |
873 | wrap_here (""); | |
874 | printf_filtered ("\n"); | |
875 | exit (0); | |
876 | } | |
877 | ||
4389a95a AC |
878 | /* FIXME: cagney/2003-02-03: The big hack (part 1 of 2) that lets |
879 | GDB retain the old MI1 interpreter startup behavior. Output the | |
880 | copyright message before the interpreter is installed. That way | |
881 | it isn't encapsulated in MI output. */ | |
882 | if (!quiet && strcmp (interpreter_p, INTERP_MI1) == 0) | |
883 | { | |
371d5dec MS |
884 | /* Print all the junk at the top, with trailing "..." if we are |
885 | about to read a symbol file (possibly slowly). */ | |
4389a95a AC |
886 | print_gdb_version (gdb_stdout); |
887 | if (symarg) | |
888 | printf_filtered (".."); | |
889 | wrap_here (""); | |
e896d70e | 890 | printf_filtered ("\n"); |
371d5dec MS |
891 | gdb_flush (gdb_stdout); /* Force to screen during slow |
892 | operations. */ | |
4389a95a AC |
893 | } |
894 | ||
4389a95a | 895 | /* Install the default UI. All the interpreters should have had a |
371d5dec | 896 | look at things by now. Initialize the default interpreter. */ |
4389a95a AC |
897 | |
898 | { | |
899 | /* Find it. */ | |
900 | struct interp *interp = interp_lookup (interpreter_p); | |
b8d56208 | 901 | |
4389a95a | 902 | if (interp == NULL) |
8a3fe4f8 | 903 | error (_("Interpreter `%s' unrecognized"), interpreter_p); |
4389a95a | 904 | /* Install it. */ |
683f2885 | 905 | if (!interp_set (interp, 1)) |
4389a95a AC |
906 | { |
907 | fprintf_unfiltered (gdb_stderr, | |
908 | "Interpreter `%s' failed to initialize.\n", | |
909 | interpreter_p); | |
910 | exit (1); | |
911 | } | |
912 | } | |
913 | ||
914 | /* FIXME: cagney/2003-02-03: The big hack (part 2 of 2) that lets | |
915 | GDB retain the old MI1 interpreter startup behavior. Output the | |
916 | copyright message after the interpreter is installed when it is | |
917 | any sane interpreter. */ | |
918 | if (!quiet && !current_interp_named_p (INTERP_MI1)) | |
c906108c | 919 | { |
371d5dec MS |
920 | /* Print all the junk at the top, with trailing "..." if we are |
921 | about to read a symbol file (possibly slowly). */ | |
c906108c SS |
922 | print_gdb_version (gdb_stdout); |
923 | if (symarg) | |
924 | printf_filtered (".."); | |
c5aa993b | 925 | wrap_here (""); |
e896d70e | 926 | printf_filtered ("\n"); |
371d5dec MS |
927 | gdb_flush (gdb_stdout); /* Force to screen during slow |
928 | operations. */ | |
c906108c SS |
929 | } |
930 | ||
e896d70e | 931 | /* Set off error and warning messages with a blank line. */ |
defc6f8c | 932 | warning_pre_print = _("\nwarning: "); |
c906108c | 933 | |
16e7150e JG |
934 | /* Read and execute the system-wide gdbinit file, if it exists. |
935 | This is done *before* all the command line arguments are | |
936 | processed; it sets global parameters, which are independent of | |
937 | what file you are debugging or what directory you are in. */ | |
938 | if (system_gdbinit && !inhibit_gdbinit) | |
50dd9793 PA |
939 | catch_command_errors_const (source_script, system_gdbinit, |
940 | 0, RETURN_MASK_ALL); | |
16e7150e | 941 | |
c906108c SS |
942 | /* Read and execute $HOME/.gdbinit file, if it exists. This is done |
943 | *before* all the command line arguments are processed; it sets | |
944 | global parameters, which are independent of what file you are | |
945 | debugging or what directory you are in. */ | |
c906108c | 946 | |
07540c15 | 947 | if (home_gdbinit && !inhibit_gdbinit && !inhibit_home_gdbinit) |
50dd9793 PA |
948 | catch_command_errors_const (source_script, |
949 | home_gdbinit, 0, RETURN_MASK_ALL); | |
c906108c | 950 | |
2d7b58e8 JK |
951 | /* Process '-ix' and '-iex' options early. */ |
952 | for (i = 0; VEC_iterate (cmdarg_s, cmdarg_vec, i, cmdarg_p); i++) | |
953 | switch (cmdarg_p->type) | |
954 | { | |
955 | case CMDARG_INIT_FILE: | |
50dd9793 PA |
956 | catch_command_errors_const (source_script, cmdarg_p->string, |
957 | !batch_flag, RETURN_MASK_ALL); | |
2d7b58e8 JK |
958 | break; |
959 | case CMDARG_INIT_COMMAND: | |
960 | catch_command_errors (execute_command, cmdarg_p->string, | |
961 | !batch_flag, RETURN_MASK_ALL); | |
962 | break; | |
963 | } | |
964 | ||
c906108c SS |
965 | /* Now perform all the actions indicated by the arguments. */ |
966 | if (cdarg != NULL) | |
967 | { | |
11cf8741 | 968 | catch_command_errors (cd_command, cdarg, 0, RETURN_MASK_ALL); |
c906108c | 969 | } |
c906108c SS |
970 | |
971 | for (i = 0; i < ndir; i++) | |
13d35ae5 | 972 | catch_command_errors (directory_switch, dirarg[i], 0, RETURN_MASK_ALL); |
b8c9b27d | 973 | xfree (dirarg); |
c906108c | 974 | |
88a1906b | 975 | /* Skip auto-loading section-specified scripts until we've sourced |
371d5dec MS |
976 | local_gdbinit (which is often used to augment the source search |
977 | path). */ | |
bf88dd68 JK |
978 | save_auto_load = global_auto_load; |
979 | global_auto_load = 0; | |
88a1906b | 980 | |
c906108c SS |
981 | if (execarg != NULL |
982 | && symarg != NULL | |
5cb316ef | 983 | && strcmp (execarg, symarg) == 0) |
c906108c | 984 | { |
11cf8741 JM |
985 | /* The exec file and the symbol-file are the same. If we can't |
986 | open it, better only print one error message. | |
371d5dec | 987 | catch_command_errors returns non-zero on success! */ |
3e43a32a MS |
988 | if (catch_command_errors (exec_file_attach, execarg, |
989 | !batch_flag, RETURN_MASK_ALL)) | |
69150c3d JK |
990 | catch_command_errors_const (symbol_file_add_main, symarg, |
991 | !batch_flag, RETURN_MASK_ALL); | |
c906108c SS |
992 | } |
993 | else | |
994 | { | |
995 | if (execarg != NULL) | |
3e43a32a MS |
996 | catch_command_errors (exec_file_attach, execarg, |
997 | !batch_flag, RETURN_MASK_ALL); | |
c906108c | 998 | if (symarg != NULL) |
69150c3d JK |
999 | catch_command_errors_const (symbol_file_add_main, symarg, |
1000 | !batch_flag, RETURN_MASK_ALL); | |
c906108c | 1001 | } |
c906108c | 1002 | |
a4d9b460 | 1003 | if (corearg && pidarg) |
3e43a32a MS |
1004 | error (_("Can't attach to process and specify " |
1005 | "a core file at the same time.")); | |
a4d9b460 | 1006 | |
c906108c | 1007 | if (corearg != NULL) |
a4d9b460 | 1008 | catch_command_errors (core_file_command, corearg, |
7c953934 | 1009 | !batch_flag, RETURN_MASK_ALL); |
a4d9b460 PA |
1010 | else if (pidarg != NULL) |
1011 | catch_command_errors (attach_command, pidarg, | |
7c953934 | 1012 | !batch_flag, RETURN_MASK_ALL); |
a4d9b460 | 1013 | else if (pid_or_core_arg) |
c906108c | 1014 | { |
a4d9b460 PA |
1015 | /* The user specified 'gdb program pid' or gdb program core'. |
1016 | If pid_or_core_arg's first character is a digit, try attach | |
1017 | first and then corefile. Otherwise try just corefile. */ | |
00546b04 | 1018 | |
a4d9b460 | 1019 | if (isdigit (pid_or_core_arg[0])) |
11cf8741 | 1020 | { |
a4d9b460 | 1021 | if (catch_command_errors (attach_command, pid_or_core_arg, |
7c953934 | 1022 | !batch_flag, RETURN_MASK_ALL) == 0) |
a4d9b460 | 1023 | catch_command_errors (core_file_command, pid_or_core_arg, |
7c953934 | 1024 | !batch_flag, RETURN_MASK_ALL); |
11cf8741 | 1025 | } |
a4d9b460 PA |
1026 | else /* Can't be a pid, better be a corefile. */ |
1027 | catch_command_errors (core_file_command, pid_or_core_arg, | |
7c953934 | 1028 | !batch_flag, RETURN_MASK_ALL); |
c906108c | 1029 | } |
c906108c SS |
1030 | |
1031 | if (ttyarg != NULL) | |
3f81c18a | 1032 | set_inferior_io_terminal (ttyarg); |
c906108c | 1033 | |
371d5dec | 1034 | /* Error messages should no longer be distinguished with extra output. */ |
defc6f8c | 1035 | warning_pre_print = _("warning: "); |
c906108c SS |
1036 | |
1037 | /* Read the .gdbinit file in the current directory, *if* it isn't | |
1038 | the same as the $HOME/.gdbinit file (it should exist, also). */ | |
bf88dd68 JK |
1039 | if (local_gdbinit) |
1040 | { | |
1041 | auto_load_local_gdbinit_pathname = gdb_realpath (local_gdbinit); | |
1042 | ||
bccbefd2 | 1043 | if (!inhibit_gdbinit && auto_load_local_gdbinit |
4dc84fd1 JK |
1044 | && file_is_auto_load_safe (local_gdbinit, |
1045 | _("auto-load: Loading .gdbinit " | |
1046 | "file \"%s\".\n"), | |
1047 | local_gdbinit)) | |
bf88dd68 JK |
1048 | { |
1049 | auto_load_local_gdbinit_loaded = 1; | |
1050 | ||
50dd9793 PA |
1051 | catch_command_errors_const (source_script, local_gdbinit, 0, |
1052 | RETURN_MASK_ALL); | |
bf88dd68 JK |
1053 | } |
1054 | } | |
c906108c | 1055 | |
88a1906b DE |
1056 | /* Now that all .gdbinit's have been read and all -d options have been |
1057 | processed, we can read any scripts mentioned in SYMARG. | |
1058 | We wait until now because it is common to add to the source search | |
1059 | path in local_gdbinit. */ | |
bf88dd68 | 1060 | global_auto_load = save_auto_load; |
7f6130ff JK |
1061 | ALL_OBJFILES (objfile) |
1062 | load_auto_scripts_for_objfile (objfile); | |
88a1906b | 1063 | |
8320cc4f | 1064 | /* Process '-x' and '-ex' options. */ |
26743505 JK |
1065 | for (i = 0; VEC_iterate (cmdarg_s, cmdarg_vec, i, cmdarg_p); i++) |
1066 | switch (cmdarg_p->type) | |
c906108c | 1067 | { |
26743505 | 1068 | case CMDARG_FILE: |
50dd9793 PA |
1069 | catch_command_errors_const (source_script, cmdarg_p->string, |
1070 | !batch_flag, RETURN_MASK_ALL); | |
26743505 JK |
1071 | break; |
1072 | case CMDARG_COMMAND: | |
1073 | catch_command_errors (execute_command, cmdarg_p->string, | |
7c953934 | 1074 | !batch_flag, RETURN_MASK_ALL); |
26743505 | 1075 | break; |
c906108c | 1076 | } |
c906108c | 1077 | |
371d5dec MS |
1078 | /* Read in the old history after all the command files have been |
1079 | read. */ | |
c5aa993b | 1080 | init_history (); |
c906108c | 1081 | |
7c953934 | 1082 | if (batch_flag) |
c906108c SS |
1083 | { |
1084 | /* We have hit the end of the batch file. */ | |
4b0ad762 | 1085 | quit_force (NULL, 0); |
c906108c SS |
1086 | } |
1087 | ||
c906108c | 1088 | /* Show time and/or space usage. */ |
0f3bb72e | 1089 | do_cleanups (pre_stat_chain); |
c906108c | 1090 | |
11cf8741 JM |
1091 | /* NOTE: cagney/1999-11-07: There is probably no reason for not |
1092 | moving this loop and the code found in captured_command_loop() | |
1093 | into the command_loop() proper. The main thing holding back that | |
371d5dec | 1094 | change - SET_TOP_LEVEL() - has been eliminated. */ |
11cf8741 JM |
1095 | while (1) |
1096 | { | |
1097 | catch_errors (captured_command_loop, 0, "", RETURN_MASK_ALL); | |
1098 | } | |
11cf8741 JM |
1099 | /* No exit -- exit is through quit_command. */ |
1100 | } | |
c906108c | 1101 | |
11cf8741 | 1102 | int |
f15ab4a7 | 1103 | gdb_main (struct captured_main_args *args) |
11cf8741 | 1104 | { |
f15ab4a7 | 1105 | catch_errors (captured_main, args, "", RETURN_MASK_ALL); |
864dbc90 AC |
1106 | /* The only way to end up here is by an error (normal exit is |
1107 | handled by quit_force()), hence always return an error status. */ | |
1108 | return 1; | |
c906108c SS |
1109 | } |
1110 | ||
11cf8741 | 1111 | |
c906108c SS |
1112 | /* Don't use *_filtered for printing help. We don't want to prompt |
1113 | for continue no matter how small the screen or how much we're going | |
1114 | to print. */ | |
1115 | ||
1116 | static void | |
d9fcf2fb | 1117 | print_gdb_help (struct ui_file *stream) |
c906108c | 1118 | { |
50dd9793 PA |
1119 | const char *system_gdbinit; |
1120 | const char *home_gdbinit; | |
1121 | const char *local_gdbinit; | |
16e7150e JG |
1122 | |
1123 | get_init_files (&system_gdbinit, &home_gdbinit, &local_gdbinit); | |
1124 | ||
b187bec1 EZ |
1125 | /* Note: The options in the list below are only approximately sorted |
1126 | in the alphabetical order, so as to group closely related options | |
1127 | together. */ | |
defc6f8c | 1128 | fputs_unfiltered (_("\ |
c906108c | 1129 | This is the GNU debugger. Usage:\n\n\ |
552c04a7 TT |
1130 | gdb [options] [executable-file [core-file or process-id]]\n\ |
1131 | gdb [options] --args executable-file [inferior-arguments ...]\n\n\ | |
defc6f8c TT |
1132 | "), stream); |
1133 | fputs_unfiltered (_("\ | |
b187bec1 | 1134 | Selection of debuggee and its files:\n\n\ |
552c04a7 | 1135 | --args Arguments after executable-file are passed to inferior\n\ |
b187bec1 EZ |
1136 | --core=COREFILE Analyze the core dump COREFILE.\n\ |
1137 | --exec=EXECFILE Use EXECFILE as the executable.\n\ | |
1138 | --pid=PID Attach to running process PID.\n\ | |
1139 | --directory=DIR Search for source files in DIR.\n\ | |
1140 | --se=FILE Use FILE as symbol file and executable file.\n\ | |
1141 | --symbols=SYMFILE Read symbols from SYMFILE.\n\ | |
1142 | --readnow Fully read symbol files on first access.\n\ | |
1143 | --write Set writing into executable and core files.\n\n\ | |
defc6f8c TT |
1144 | "), stream); |
1145 | fputs_unfiltered (_("\ | |
b187bec1 | 1146 | Initial commands and command files:\n\n\ |
8a5a3c82 | 1147 | --command=FILE, -x Execute GDB commands from FILE.\n\ |
b187bec1 EZ |
1148 | --init-command=FILE, -ix\n\ |
1149 | Like -x but execute commands before loading inferior.\n\ | |
8a5a3c82 AS |
1150 | --eval-command=COMMAND, -ex\n\ |
1151 | Execute a single GDB command.\n\ | |
1152 | May be used multiple times and in conjunction\n\ | |
1153 | with --command.\n\ | |
b187bec1 EZ |
1154 | --init-eval-command=COMMAND, -iex\n\ |
1155 | Like -ex but before loading inferior.\n\ | |
1156 | --nh Do not read ~/.gdbinit.\n\ | |
1157 | --nx Do not read any .gdbinit files in any directory.\n\n\ | |
defc6f8c TT |
1158 | "), stream); |
1159 | fputs_unfiltered (_("\ | |
b187bec1 | 1160 | Output and user interface control:\n\n\ |
c906108c | 1161 | --fullname Output information used by emacs-GDB interface.\n\ |
8b93c638 JM |
1162 | --interpreter=INTERP\n\ |
1163 | Select a specific interpreter / user interface\n\ | |
c906108c | 1164 | --tty=TTY Use TTY for input/output by the program being debugged.\n\ |
b187bec1 EZ |
1165 | -w Use the GUI interface.\n\ |
1166 | --nw Do not use the GUI interface.\n\ | |
defc6f8c | 1167 | "), stream); |
c906108c | 1168 | #if defined(TUI) |
defc6f8c | 1169 | fputs_unfiltered (_("\ |
c906108c | 1170 | --tui Use a terminal user interface.\n\ |
defc6f8c | 1171 | "), stream); |
c906108c | 1172 | #endif |
481860b3 | 1173 | fputs_unfiltered (_("\ |
b187bec1 | 1174 | --dbx DBX compatibility mode.\n\ |
c906108c | 1175 | --xdb XDB compatibility mode.\n\ |
b187bec1 EZ |
1176 | --quiet Do not print version number on startup.\n\n\ |
1177 | "), stream); | |
1178 | fputs_unfiltered (_("\ | |
1179 | Operating modes:\n\n\ | |
1180 | --batch Exit after processing options.\n\ | |
1181 | --batch-silent Like --batch, but suppress all gdb stdout output.\n\ | |
1182 | --return-child-result\n\ | |
1183 | GDB exit code will be the child's exit code.\n\ | |
1184 | --configuration Print details about GDB configuration and then exit.\n\ | |
1185 | --help Print this message and then exit.\n\ | |
1186 | --version Print version information and then exit.\n\n\ | |
1187 | Remote debugging options:\n\n\ | |
1188 | -b BAUDRATE Set serial port baud rate used for remote debugging.\n\ | |
1189 | -l TIMEOUT Set timeout in seconds for remote debugging.\n\n\ | |
1190 | Other options:\n\n\ | |
1191 | --cd=DIR Change current directory to DIR.\n\ | |
8d551b02 DE |
1192 | --data-directory=DIR, -D\n\ |
1193 | Set GDB's data-directory to DIR.\n\ | |
defc6f8c | 1194 | "), stream); |
defc6f8c | 1195 | fputs_unfiltered (_("\n\ |
16e7150e JG |
1196 | At startup, GDB reads the following init files and executes their commands:\n\ |
1197 | "), stream); | |
1198 | if (system_gdbinit) | |
1199 | fprintf_unfiltered (stream, _("\ | |
1200 | * system-wide init file: %s\n\ | |
1201 | "), system_gdbinit); | |
1202 | if (home_gdbinit) | |
1203 | fprintf_unfiltered (stream, _("\ | |
1204 | * user-specific init file: %s\n\ | |
1205 | "), home_gdbinit); | |
1206 | if (local_gdbinit) | |
1207 | fprintf_unfiltered (stream, _("\ | |
bf88dd68 | 1208 | * local init file (see also 'set auto-load local-gdbinit'): ./%s\n\ |
16e7150e JG |
1209 | "), local_gdbinit); |
1210 | fputs_unfiltered (_("\n\ | |
c906108c SS |
1211 | For more information, type \"help\" from within GDB, or consult the\n\ |
1212 | GDB manual (available as on-line info or a printed manual).\n\ | |
defc6f8c | 1213 | "), stream); |
c16158bc JM |
1214 | if (REPORT_BUGS_TO[0] && stream == gdb_stdout) |
1215 | fprintf_unfiltered (stream, _("\ | |
1216 | Report bugs to \"%s\".\n\ | |
1217 | "), REPORT_BUGS_TO); | |
c906108c | 1218 | } |