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" |
992c7d70 | 48 | #include <signal.h> |
b5981e5a | 49 | |
4389a95a AC |
50 | /* The selected interpreter. This will be used as a set command |
51 | variable, so it should always be malloc'ed - since | |
371d5dec | 52 | do_setshow_command will free it. */ |
fb40c209 | 53 | char *interpreter_p; |
fb40c209 | 54 | |
371d5dec | 55 | /* Whether xdb commands will be handled. */ |
c906108c SS |
56 | int xdb_commands = 0; |
57 | ||
371d5dec | 58 | /* Whether dbx commands will be handled. */ |
c906108c SS |
59 | int dbx_commands = 0; |
60 | ||
030292b7 DJ |
61 | /* System root path, used to find libraries etc. */ |
62 | char *gdb_sysroot = 0; | |
63 | ||
b14b1491 TT |
64 | /* GDB datadir, used to store data files. */ |
65 | char *gdb_datadir = 0; | |
66 | ||
e64e0392 DE |
67 | /* Non-zero if GDB_DATADIR was provided on the command line. |
68 | This doesn't track whether data-directory is set later from the | |
69 | command line, but we don't reread system.gdbinit when that happens. */ | |
70 | static int gdb_datadir_provided = 0; | |
71 | ||
0c4a4063 DE |
72 | /* If gdb was configured with --with-python=/path, |
73 | the possibly relocated path to python's lib directory. */ | |
74 | char *python_libdir = 0; | |
75 | ||
d9fcf2fb JM |
76 | struct ui_file *gdb_stdout; |
77 | struct ui_file *gdb_stderr; | |
78 | struct ui_file *gdb_stdlog; | |
449092f6 | 79 | struct ui_file *gdb_stdin; |
371d5dec | 80 | /* Target IO streams. */ |
449092f6 | 81 | struct ui_file *gdb_stdtargin; |
22e8e3c7 | 82 | struct ui_file *gdb_stdtarg; |
449092f6 | 83 | struct ui_file *gdb_stdtargerr; |
c906108c | 84 | |
7c953934 TT |
85 | /* True if --batch or --batch-silent was seen. */ |
86 | int batch_flag = 0; | |
87 | ||
1a088d06 AS |
88 | /* Support for the --batch-silent option. */ |
89 | int batch_silent = 0; | |
90 | ||
4b0ad762 AS |
91 | /* Support for --return-child-result option. |
92 | Set the default to -1 to return error in the case | |
93 | that the program does not run or does not complete. */ | |
94 | int return_child_result = 0; | |
95 | int return_child_result_value = -1; | |
96 | ||
c906108c | 97 | |
16e7150e JG |
98 | /* GDB as it has been invoked from the command line (i.e. argv[0]). */ |
99 | static char *gdb_program_name; | |
100 | ||
c88a1531 AB |
101 | /* Return read only pointer to GDB_PROGRAM_NAME. */ |
102 | const char * | |
103 | get_gdb_program_name (void) | |
104 | { | |
105 | return gdb_program_name; | |
106 | } | |
107 | ||
d9fcf2fb | 108 | static void print_gdb_help (struct ui_file *); |
c906108c | 109 | |
8d551b02 DE |
110 | /* Set the data-directory parameter to NEW_DATADIR. |
111 | If NEW_DATADIR is not a directory then a warning is printed. | |
112 | We don't signal an error for backward compatibility. */ | |
113 | ||
114 | void | |
115 | set_gdb_data_directory (const char *new_datadir) | |
116 | { | |
117 | struct stat st; | |
118 | ||
119 | if (stat (new_datadir, &st) < 0) | |
120 | { | |
121 | int save_errno = errno; | |
122 | ||
123 | fprintf_unfiltered (gdb_stderr, "Warning: "); | |
124 | print_sys_errmsg (new_datadir, save_errno); | |
125 | } | |
126 | else if (!S_ISDIR (st.st_mode)) | |
127 | warning (_("%s is not a directory."), new_datadir); | |
128 | ||
129 | xfree (gdb_datadir); | |
130 | gdb_datadir = gdb_realpath (new_datadir); | |
131 | ||
132 | /* gdb_realpath won't return an absolute path if the path doesn't exist, | |
133 | but we still want to record an absolute path here. If the user entered | |
134 | "../foo" and "../foo" doesn't exist then we'll record $(pwd)/../foo which | |
135 | isn't canonical, but that's ok. */ | |
136 | if (!IS_ABSOLUTE_PATH (gdb_datadir)) | |
137 | { | |
138 | char *abs_datadir = gdb_abspath (gdb_datadir); | |
139 | ||
140 | xfree (gdb_datadir); | |
141 | gdb_datadir = abs_datadir; | |
142 | } | |
143 | } | |
144 | ||
b14b1491 TT |
145 | /* Relocate a file or directory. PROGNAME is the name by which gdb |
146 | was invoked (i.e., argv[0]). INITIAL is the default value for the | |
147 | file or directory. FLAG is true if the value is relocatable, false | |
148 | otherwise. Returns a newly allocated string; this may return NULL | |
149 | under the same conditions as make_relative_prefix. */ | |
478aac75 | 150 | |
b14b1491 TT |
151 | static char * |
152 | relocate_path (const char *progname, const char *initial, int flag) | |
153 | { | |
154 | if (flag) | |
155 | return make_relative_prefix (progname, BINDIR, initial); | |
156 | return xstrdup (initial); | |
157 | } | |
158 | ||
159 | /* Like relocate_path, but specifically checks for a directory. | |
160 | INITIAL is relocated according to the rules of relocate_path. If | |
161 | the result is a directory, it is used; otherwise, INITIAL is used. | |
162 | The chosen directory is then canonicalized using lrealpath. This | |
163 | function always returns a newly-allocated string. */ | |
478aac75 DE |
164 | |
165 | char * | |
166 | relocate_gdb_directory (const char *initial, int flag) | |
b14b1491 TT |
167 | { |
168 | char *dir; | |
169 | ||
478aac75 | 170 | dir = relocate_path (gdb_program_name, initial, flag); |
b14b1491 TT |
171 | if (dir) |
172 | { | |
173 | struct stat s; | |
174 | ||
78a8b30e | 175 | if (*dir == '\0' || stat (dir, &s) != 0 || !S_ISDIR (s.st_mode)) |
b14b1491 TT |
176 | { |
177 | xfree (dir); | |
178 | dir = NULL; | |
179 | } | |
180 | } | |
181 | if (!dir) | |
182 | dir = xstrdup (initial); | |
183 | ||
184 | /* Canonicalize the directory. */ | |
185 | if (*dir) | |
186 | { | |
187 | char *canon_sysroot = lrealpath (dir); | |
b8d56208 | 188 | |
b14b1491 TT |
189 | if (canon_sysroot) |
190 | { | |
191 | xfree (dir); | |
192 | dir = canon_sysroot; | |
193 | } | |
194 | } | |
195 | ||
196 | return dir; | |
197 | } | |
198 | ||
371d5dec MS |
199 | /* Compute the locations of init files that GDB should source and |
200 | return them in SYSTEM_GDBINIT, HOME_GDBINIT, LOCAL_GDBINIT. If | |
201 | there is no system gdbinit (resp. home gdbinit and local gdbinit) | |
202 | to be loaded, then SYSTEM_GDBINIT (resp. HOME_GDBINIT and | |
203 | LOCAL_GDBINIT) is set to NULL. */ | |
16e7150e | 204 | static void |
50dd9793 PA |
205 | get_init_files (const char **system_gdbinit, |
206 | const char **home_gdbinit, | |
207 | const char **local_gdbinit) | |
16e7150e | 208 | { |
50dd9793 | 209 | static const char *sysgdbinit = NULL; |
16e7150e | 210 | static char *homeinit = NULL; |
50dd9793 | 211 | static const char *localinit = NULL; |
16e7150e JG |
212 | static int initialized = 0; |
213 | ||
214 | if (!initialized) | |
215 | { | |
216 | struct stat homebuf, cwdbuf, s; | |
e64e0392 | 217 | char *homedir; |
16e7150e | 218 | |
b14b1491 | 219 | if (SYSTEM_GDBINIT[0]) |
16e7150e | 220 | { |
e64e0392 DE |
221 | int datadir_len = strlen (GDB_DATADIR); |
222 | int sys_gdbinit_len = strlen (SYSTEM_GDBINIT); | |
223 | char *relocated_sysgdbinit; | |
224 | ||
225 | /* If SYSTEM_GDBINIT lives in data-directory, and data-directory | |
226 | has been provided, search for SYSTEM_GDBINIT there. */ | |
227 | if (gdb_datadir_provided | |
228 | && datadir_len < sys_gdbinit_len | |
b5981e5a EZ |
229 | && filename_ncmp (SYSTEM_GDBINIT, GDB_DATADIR, datadir_len) == 0 |
230 | && IS_DIR_SEPARATOR (SYSTEM_GDBINIT[datadir_len])) | |
e64e0392 DE |
231 | { |
232 | /* Append the part of SYSTEM_GDBINIT that follows GDB_DATADIR | |
233 | to gdb_datadir. */ | |
234 | char *tmp_sys_gdbinit = xstrdup (SYSTEM_GDBINIT + datadir_len); | |
235 | char *p; | |
236 | ||
b5981e5a | 237 | for (p = tmp_sys_gdbinit; IS_DIR_SEPARATOR (*p); ++p) |
e64e0392 DE |
238 | continue; |
239 | relocated_sysgdbinit = concat (gdb_datadir, SLASH_STRING, p, | |
240 | NULL); | |
241 | xfree (tmp_sys_gdbinit); | |
242 | } | |
243 | else | |
244 | { | |
245 | relocated_sysgdbinit = relocate_path (gdb_program_name, | |
246 | SYSTEM_GDBINIT, | |
247 | SYSTEM_GDBINIT_RELOCATABLE); | |
248 | } | |
b14b1491 | 249 | if (relocated_sysgdbinit && stat (relocated_sysgdbinit, &s) == 0) |
16e7150e JG |
250 | sysgdbinit = relocated_sysgdbinit; |
251 | else | |
252 | xfree (relocated_sysgdbinit); | |
253 | } | |
16e7150e JG |
254 | |
255 | homedir = getenv ("HOME"); | |
256 | ||
257 | /* If the .gdbinit file in the current directory is the same as | |
258 | the $HOME/.gdbinit file, it should not be sourced. homebuf | |
025bb325 | 259 | and cwdbuf are used in that purpose. Make sure that the stats |
16e7150e JG |
260 | are zero in case one of them fails (this guarantees that they |
261 | won't match if either exists). */ | |
262 | ||
263 | memset (&homebuf, 0, sizeof (struct stat)); | |
264 | memset (&cwdbuf, 0, sizeof (struct stat)); | |
265 | ||
266 | if (homedir) | |
267 | { | |
268 | homeinit = xstrprintf ("%s/%s", homedir, gdbinit); | |
269 | if (stat (homeinit, &homebuf) != 0) | |
270 | { | |
271 | xfree (homeinit); | |
272 | homeinit = NULL; | |
273 | } | |
274 | } | |
275 | ||
276 | if (stat (gdbinit, &cwdbuf) == 0) | |
277 | { | |
278 | if (!homeinit | |
279 | || memcmp ((char *) &homebuf, (char *) &cwdbuf, | |
280 | sizeof (struct stat))) | |
281 | localinit = gdbinit; | |
282 | } | |
283 | ||
284 | initialized = 1; | |
285 | } | |
286 | ||
287 | *system_gdbinit = sysgdbinit; | |
288 | *home_gdbinit = homeinit; | |
289 | *local_gdbinit = localinit; | |
290 | } | |
291 | ||
992c7d70 GB |
292 | /* Try to set up an alternate signal stack for SIGSEGV handlers. |
293 | This allows us to handle SIGSEGV signals generated when the | |
294 | normal process stack is exhausted. If this stack is not set | |
295 | up (sigaltstack is unavailable or fails) and a SIGSEGV is | |
296 | generated when the normal stack is exhausted then the program | |
297 | will behave as though no SIGSEGV handler was installed. */ | |
298 | ||
299 | static void | |
300 | setup_alternate_signal_stack (void) | |
301 | { | |
302 | #ifdef HAVE_SIGALTSTACK | |
303 | stack_t ss; | |
304 | ||
305 | ss.ss_sp = xmalloc (SIGSTKSZ); | |
306 | ss.ss_size = SIGSTKSZ; | |
307 | ss.ss_flags = 0; | |
308 | ||
309 | sigaltstack(&ss, NULL); | |
310 | #endif | |
311 | } | |
312 | ||
11cf8741 | 313 | /* Call command_loop. If it happens to return, pass that through as a |
371d5dec | 314 | non-zero return status. */ |
11cf8741 JM |
315 | |
316 | static int | |
317 | captured_command_loop (void *data) | |
c906108c | 318 | { |
bb5291d0 | 319 | /* Top-level execution commands can be run in the background from |
b4a14fd0 PA |
320 | here on. */ |
321 | interpreter_async = 1; | |
322 | ||
4389a95a | 323 | current_interp_command_loop (); |
11cf8741 JM |
324 | /* FIXME: cagney/1999-11-05: A correct command_loop() implementaton |
325 | would clean things up (restoring the cleanup chain) to the state | |
326 | they were just prior to the call. Technically, this means that | |
e26cc349 | 327 | the do_cleanups() below is redundant. Unfortunately, many FUNCs |
11cf8741 JM |
328 | are not that well behaved. do_cleanups should either be replaced |
329 | with a do_cleanups call (to cover the problem) or an assertion | |
371d5dec | 330 | check to detect bad FUNCs code. */ |
6328eb38 | 331 | do_cleanups (all_cleanups ()); |
11cf8741 | 332 | /* If the command_loop returned, normally (rather than threw an |
025bb325 | 333 | error) we try to quit. If the quit is aborted, catch_errors() |
11cf8741 | 334 | which called this catch the signal and restart the command |
371d5dec | 335 | loop. */ |
11cf8741 JM |
336 | quit_command (NULL, instream == stdin); |
337 | return 1; | |
338 | } | |
339 | ||
26743505 JK |
340 | /* Arguments of --command option and its counterpart. */ |
341 | typedef struct cmdarg { | |
342 | /* Type of this option. */ | |
343 | enum { | |
344 | /* Option type -x. */ | |
345 | CMDARG_FILE, | |
346 | ||
347 | /* Option type -ex. */ | |
8320cc4f JK |
348 | CMDARG_COMMAND, |
349 | ||
350 | /* Option type -ix. */ | |
351 | CMDARG_INIT_FILE, | |
352 | ||
353 | /* Option type -iex. */ | |
354 | CMDARG_INIT_COMMAND | |
26743505 JK |
355 | } type; |
356 | ||
357 | /* Value of this option - filename or the GDB command itself. String memory | |
358 | is not owned by this structure despite it is 'const'. */ | |
359 | char *string; | |
360 | } cmdarg_s; | |
361 | ||
362 | /* Define type VEC (cmdarg_s). */ | |
363 | DEF_VEC_O (cmdarg_s); | |
364 | ||
11cf8741 JM |
365 | static int |
366 | captured_main (void *data) | |
367 | { | |
368 | struct captured_main_args *context = data; | |
369 | int argc = context->argc; | |
370 | char **argv = context->argv; | |
c906108c | 371 | static int quiet = 0; |
552c04a7 | 372 | static int set_args = 0; |
07540c15 | 373 | static int inhibit_home_gdbinit = 0; |
c906108c SS |
374 | |
375 | /* Pointers to various arguments from command line. */ | |
376 | char *symarg = NULL; | |
377 | char *execarg = NULL; | |
a4d9b460 | 378 | char *pidarg = NULL; |
c906108c | 379 | char *corearg = NULL; |
a4d9b460 | 380 | char *pid_or_core_arg = NULL; |
c906108c SS |
381 | char *cdarg = NULL; |
382 | char *ttyarg = NULL; | |
383 | ||
371d5dec MS |
384 | /* These are static so that we can take their address in an |
385 | initializer. */ | |
c906108c SS |
386 | static int print_help; |
387 | static int print_version; | |
6eaaf48b | 388 | static int print_configuration; |
c906108c SS |
389 | |
390 | /* Pointers to all arguments of --command option. */ | |
26743505 JK |
391 | VEC (cmdarg_s) *cmdarg_vec = NULL; |
392 | struct cmdarg *cmdarg_p; | |
c906108c SS |
393 | |
394 | /* Indices of all arguments of --directory option. */ | |
395 | char **dirarg; | |
396 | /* Allocated size. */ | |
397 | int dirsize; | |
398 | /* Number of elements used. */ | |
399 | int ndir; | |
c5aa993b | 400 | |
16e7150e | 401 | /* gdb init files. */ |
50dd9793 PA |
402 | const char *system_gdbinit; |
403 | const char *home_gdbinit; | |
404 | const char *local_gdbinit; | |
c906108c | 405 | |
52f0bd74 | 406 | int i; |
88a1906b | 407 | int save_auto_load; |
7f6130ff | 408 | struct objfile *objfile; |
c906108c | 409 | |
e565b837 DE |
410 | struct cleanup *pre_stat_chain; |
411 | ||
412 | #ifdef HAVE_SBRK | |
413 | /* Set this before calling make_command_stats_cleanup. */ | |
414 | lim_at_start = (char *) sbrk (0); | |
415 | #endif | |
416 | ||
417 | pre_stat_chain = make_command_stats_cleanup (0); | |
c906108c | 418 | |
0fbb3da7 TT |
419 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) |
420 | setlocale (LC_MESSAGES, ""); | |
421 | #endif | |
422 | #if defined (HAVE_SETLOCALE) | |
423 | setlocale (LC_CTYPE, ""); | |
424 | #endif | |
425 | bindtextdomain (PACKAGE, LOCALEDIR); | |
426 | textdomain (PACKAGE); | |
427 | ||
5484b13a | 428 | bfd_init (); |
614c279d | 429 | notice_open_fds (); |
5484b13a | 430 | |
26743505 | 431 | make_cleanup (VEC_cleanup (cmdarg_s), &cmdarg_vec); |
c906108c SS |
432 | dirsize = 1; |
433 | dirarg = (char **) xmalloc (dirsize * sizeof (*dirarg)); | |
434 | ndir = 0; | |
435 | ||
522002f9 | 436 | clear_quit_flag (); |
dc7eb48e PA |
437 | saved_command_line = (char *) xmalloc (saved_command_line_size); |
438 | saved_command_line[0] = '\0'; | |
c906108c SS |
439 | instream = stdin; |
440 | ||
ffa4ac95 YQ |
441 | #ifdef __MINGW32__ |
442 | /* Ensure stderr is unbuffered. A Cygwin pty or pipe is implemented | |
443 | as a Windows pipe, and Windows buffers on pipes. */ | |
444 | setvbuf (stderr, NULL, _IONBF, BUFSIZ); | |
445 | #endif | |
446 | ||
da59e081 | 447 | gdb_stdout = stdio_fileopen (stdout); |
ffa4ac95 YQ |
448 | gdb_stderr = stderr_fileopen (); |
449 | ||
da59e081 JM |
450 | gdb_stdlog = gdb_stderr; /* for moment */ |
451 | gdb_stdtarg = gdb_stderr; /* for moment */ | |
449092f6 CV |
452 | gdb_stdin = stdio_fileopen (stdin); |
453 | gdb_stdtargerr = gdb_stderr; /* for moment */ | |
454 | gdb_stdtargin = gdb_stdin; /* for moment */ | |
c906108c | 455 | |
b5981e5a EZ |
456 | #ifdef __MINGW32__ |
457 | /* On Windows, argv[0] is not necessarily set to absolute form when | |
458 | GDB is found along PATH, without which relocation doesn't work. */ | |
459 | gdb_program_name = windows_get_absolute_argv0 (argv[0]); | |
460 | #else | |
16e7150e | 461 | gdb_program_name = xstrdup (argv[0]); |
b5981e5a | 462 | #endif |
16e7150e | 463 | |
bf1d7d9c JB |
464 | if (! getcwd (gdb_dirbuf, sizeof (gdb_dirbuf))) |
465 | /* Don't use *_filtered or warning() (which relies on | |
371d5dec | 466 | current_target) until after initialize_all_files(). */ |
bf1d7d9c | 467 | fprintf_unfiltered (gdb_stderr, |
3e43a32a MS |
468 | _("%s: warning: error finding " |
469 | "working directory: %s\n"), | |
bf1d7d9c JB |
470 | argv[0], safe_strerror (errno)); |
471 | ||
472 | current_directory = gdb_dirbuf; | |
473 | ||
030292b7 | 474 | /* Set the sysroot path. */ |
478aac75 DE |
475 | gdb_sysroot = relocate_gdb_directory (TARGET_SYSTEM_ROOT, |
476 | TARGET_SYSTEM_ROOT_RELOCATABLE); | |
030292b7 | 477 | |
478aac75 DE |
478 | debug_file_directory = relocate_gdb_directory (DEBUGDIR, |
479 | DEBUGDIR_RELOCATABLE); | |
030292b7 | 480 | |
478aac75 DE |
481 | gdb_datadir = relocate_gdb_directory (GDB_DATADIR, |
482 | GDB_DATADIR_RELOCATABLE); | |
aa28a74e | 483 | |
0c4a4063 | 484 | #ifdef WITH_PYTHON_PATH |
e6040cbd MS |
485 | { |
486 | /* For later use in helping Python find itself. */ | |
487 | char *tmp = concat (WITH_PYTHON_PATH, SLASH_STRING, "lib", NULL); | |
488 | ||
478aac75 | 489 | python_libdir = relocate_gdb_directory (tmp, PYTHON_PATH_RELOCATABLE); |
e6040cbd MS |
490 | xfree (tmp); |
491 | } | |
0c4a4063 DE |
492 | #endif |
493 | ||
29b0e8a2 JM |
494 | #ifdef RELOC_SRCDIR |
495 | add_substitute_path_rule (RELOC_SRCDIR, | |
b5981e5a | 496 | make_relative_prefix (gdb_program_name, BINDIR, |
29b0e8a2 JM |
497 | RELOC_SRCDIR)); |
498 | #endif | |
499 | ||
4389a95a | 500 | /* There will always be an interpreter. Either the one passed into |
e46e5ccd KS |
501 | this captured main, or one specified by the user at start up, or |
502 | the console. Initialize the interpreter to the one requested by | |
503 | the application. */ | |
11bf1490 | 504 | interpreter_p = xstrdup (context->interpreter_p); |
4389a95a | 505 | |
c906108c SS |
506 | /* Parse arguments and options. */ |
507 | { | |
508 | int c; | |
509 | /* When var field is 0, use flag field to record the equivalent | |
510 | short option (or arbitrary numbers starting at 10 for those | |
511 | with no equivalent). */ | |
49c7e338 AC |
512 | enum { |
513 | OPT_SE = 10, | |
514 | OPT_CD, | |
515 | OPT_ANNOTATE, | |
516 | OPT_STATISTICS, | |
42fa7c0f AC |
517 | OPT_TUI, |
518 | OPT_NOWINDOWS, | |
8320cc4f JK |
519 | OPT_WINDOWS, |
520 | OPT_IX, | |
521 | OPT_IEX | |
49c7e338 | 522 | }; |
c906108c | 523 | static struct option long_options[] = |
c5aa993b | 524 | { |
49c7e338 | 525 | {"tui", no_argument, 0, OPT_TUI}, |
c5aa993b JM |
526 | {"xdb", no_argument, &xdb_commands, 1}, |
527 | {"dbx", no_argument, &dbx_commands, 1}, | |
528 | {"readnow", no_argument, &readnow_symbol_files, 1}, | |
529 | {"r", no_argument, &readnow_symbol_files, 1}, | |
c5aa993b JM |
530 | {"quiet", no_argument, &quiet, 1}, |
531 | {"q", no_argument, &quiet, 1}, | |
532 | {"silent", no_argument, &quiet, 1}, | |
07540c15 | 533 | {"nh", no_argument, &inhibit_home_gdbinit, 1}, |
c5aa993b JM |
534 | {"nx", no_argument, &inhibit_gdbinit, 1}, |
535 | {"n", no_argument, &inhibit_gdbinit, 1}, | |
1a088d06 | 536 | {"batch-silent", no_argument, 0, 'B'}, |
7c953934 | 537 | {"batch", no_argument, &batch_flag, 1}, |
c5aa993b | 538 | |
371d5dec MS |
539 | /* This is a synonym for "--annotate=1". --annotate is now |
540 | preferred, but keep this here for a long time because people | |
541 | will be running emacses which use --fullname. */ | |
c5aa993b JM |
542 | {"fullname", no_argument, 0, 'f'}, |
543 | {"f", no_argument, 0, 'f'}, | |
544 | ||
49c7e338 | 545 | {"annotate", required_argument, 0, OPT_ANNOTATE}, |
c5aa993b | 546 | {"help", no_argument, &print_help, 1}, |
49c7e338 | 547 | {"se", required_argument, 0, OPT_SE}, |
c5aa993b JM |
548 | {"symbols", required_argument, 0, 's'}, |
549 | {"s", required_argument, 0, 's'}, | |
550 | {"exec", required_argument, 0, 'e'}, | |
551 | {"e", required_argument, 0, 'e'}, | |
552 | {"core", required_argument, 0, 'c'}, | |
553 | {"c", required_argument, 0, 'c'}, | |
00546b04 MS |
554 | {"pid", required_argument, 0, 'p'}, |
555 | {"p", required_argument, 0, 'p'}, | |
c5aa993b | 556 | {"command", required_argument, 0, 'x'}, |
8a5a3c82 | 557 | {"eval-command", required_argument, 0, 'X'}, |
c5aa993b | 558 | {"version", no_argument, &print_version, 1}, |
6eaaf48b | 559 | {"configuration", no_argument, &print_configuration, 1}, |
c5aa993b | 560 | {"x", required_argument, 0, 'x'}, |
8a5a3c82 | 561 | {"ex", required_argument, 0, 'X'}, |
8320cc4f JK |
562 | {"init-command", required_argument, 0, OPT_IX}, |
563 | {"init-eval-command", required_argument, 0, OPT_IEX}, | |
564 | {"ix", required_argument, 0, OPT_IX}, | |
565 | {"iex", required_argument, 0, OPT_IEX}, | |
3fc11d3e JM |
566 | #ifdef GDBTK |
567 | {"tclcommand", required_argument, 0, 'z'}, | |
568 | {"enable-external-editor", no_argument, 0, 'y'}, | |
569 | {"editor-command", required_argument, 0, 'w'}, | |
570 | #endif | |
8b93c638 JM |
571 | {"ui", required_argument, 0, 'i'}, |
572 | {"interpreter", required_argument, 0, 'i'}, | |
573 | {"i", required_argument, 0, 'i'}, | |
c5aa993b | 574 | {"directory", required_argument, 0, 'd'}, |
c4093a6a | 575 | {"d", required_argument, 0, 'd'}, |
aae1c79a | 576 | {"data-directory", required_argument, 0, 'D'}, |
8d551b02 | 577 | {"D", required_argument, 0, 'D'}, |
49c7e338 | 578 | {"cd", required_argument, 0, OPT_CD}, |
c5aa993b JM |
579 | {"tty", required_argument, 0, 't'}, |
580 | {"baud", required_argument, 0, 'b'}, | |
581 | {"b", required_argument, 0, 'b'}, | |
42fa7c0f AC |
582 | {"nw", no_argument, NULL, OPT_NOWINDOWS}, |
583 | {"nowindows", no_argument, NULL, OPT_NOWINDOWS}, | |
584 | {"w", no_argument, NULL, OPT_WINDOWS}, | |
585 | {"windows", no_argument, NULL, OPT_WINDOWS}, | |
49c7e338 | 586 | {"statistics", no_argument, 0, OPT_STATISTICS}, |
c5aa993b | 587 | {"write", no_argument, &write_files, 1}, |
552c04a7 | 588 | {"args", no_argument, &set_args, 1}, |
39c76ca3 | 589 | {"l", required_argument, 0, 'l'}, |
4b0ad762 | 590 | {"return-child-result", no_argument, &return_child_result, 1}, |
c5aa993b JM |
591 | {0, no_argument, 0, 0} |
592 | }; | |
c906108c SS |
593 | |
594 | while (1) | |
595 | { | |
596 | int option_index; | |
597 | ||
598 | c = getopt_long_only (argc, argv, "", | |
599 | long_options, &option_index); | |
552c04a7 | 600 | if (c == EOF || set_args) |
c906108c SS |
601 | break; |
602 | ||
603 | /* Long option that takes an argument. */ | |
604 | if (c == 0 && long_options[option_index].flag == 0) | |
605 | c = long_options[option_index].val; | |
606 | ||
607 | switch (c) | |
608 | { | |
609 | case 0: | |
610 | /* Long option that just sets a flag. */ | |
611 | break; | |
49c7e338 | 612 | case OPT_SE: |
c906108c SS |
613 | symarg = optarg; |
614 | execarg = optarg; | |
615 | break; | |
49c7e338 | 616 | case OPT_CD: |
c906108c SS |
617 | cdarg = optarg; |
618 | break; | |
49c7e338 | 619 | case OPT_ANNOTATE: |
c906108c SS |
620 | /* FIXME: what if the syntax is wrong (e.g. not digits)? */ |
621 | annotation_level = atoi (optarg); | |
622 | break; | |
49c7e338 | 623 | case OPT_STATISTICS: |
c906108c | 624 | /* Enable the display of both time and space usage. */ |
bd712aed DE |
625 | set_per_command_time (1); |
626 | set_per_command_space (1); | |
c906108c | 627 | break; |
49c7e338 | 628 | case OPT_TUI: |
021e7609 | 629 | /* --tui is equivalent to -i=tui. */ |
b0da54f1 | 630 | #ifdef TUI |
021e7609 | 631 | xfree (interpreter_p); |
cc4349ed | 632 | interpreter_p = xstrdup (INTERP_TUI); |
b0da54f1 BW |
633 | #else |
634 | fprintf_unfiltered (gdb_stderr, | |
635 | _("%s: TUI mode is not supported\n"), | |
636 | argv[0]); | |
637 | exit (1); | |
638 | #endif | |
021e7609 | 639 | break; |
42fa7c0f AC |
640 | case OPT_WINDOWS: |
641 | /* FIXME: cagney/2003-03-01: Not sure if this option is | |
642 | actually useful, and if it is, what it should do. */ | |
cc4349ed AS |
643 | #ifdef GDBTK |
644 | /* --windows is equivalent to -i=insight. */ | |
645 | xfree (interpreter_p); | |
646 | interpreter_p = xstrdup (INTERP_INSIGHT); | |
647 | #endif | |
42fa7c0f AC |
648 | break; |
649 | case OPT_NOWINDOWS: | |
650 | /* -nw is equivalent to -i=console. */ | |
651 | xfree (interpreter_p); | |
652 | interpreter_p = xstrdup (INTERP_CONSOLE); | |
42fa7c0f | 653 | break; |
c906108c SS |
654 | case 'f': |
655 | annotation_level = 1; | |
c906108c SS |
656 | break; |
657 | case 's': | |
658 | symarg = optarg; | |
659 | break; | |
660 | case 'e': | |
661 | execarg = optarg; | |
662 | break; | |
663 | case 'c': | |
664 | corearg = optarg; | |
665 | break; | |
00546b04 | 666 | case 'p': |
a4d9b460 | 667 | pidarg = optarg; |
00546b04 | 668 | break; |
c906108c | 669 | case 'x': |
26743505 JK |
670 | { |
671 | struct cmdarg cmdarg = { CMDARG_FILE, optarg }; | |
672 | ||
673 | VEC_safe_push (cmdarg_s, cmdarg_vec, &cmdarg); | |
674 | } | |
8a5a3c82 AS |
675 | break; |
676 | case 'X': | |
26743505 JK |
677 | { |
678 | struct cmdarg cmdarg = { CMDARG_COMMAND, optarg }; | |
679 | ||
680 | VEC_safe_push (cmdarg_s, cmdarg_vec, &cmdarg); | |
681 | } | |
682 | break; | |
8320cc4f JK |
683 | case OPT_IX: |
684 | { | |
685 | struct cmdarg cmdarg = { CMDARG_INIT_FILE, optarg }; | |
686 | ||
687 | VEC_safe_push (cmdarg_s, cmdarg_vec, &cmdarg); | |
688 | } | |
689 | break; | |
690 | case OPT_IEX: | |
691 | { | |
692 | struct cmdarg cmdarg = { CMDARG_INIT_COMMAND, optarg }; | |
693 | ||
694 | VEC_safe_push (cmdarg_s, cmdarg_vec, &cmdarg); | |
695 | } | |
c906108c | 696 | break; |
1a088d06 | 697 | case 'B': |
7c953934 | 698 | batch_flag = batch_silent = 1; |
1a088d06 AS |
699 | gdb_stdout = ui_file_new(); |
700 | break; | |
aae1c79a | 701 | case 'D': |
8d551b02 DE |
702 | if (optarg[0] == '\0') |
703 | { | |
704 | fprintf_unfiltered (gdb_stderr, | |
705 | _("%s: empty path for" | |
706 | " `--data-directory'\n"), | |
707 | argv[0]); | |
708 | exit (1); | |
709 | } | |
710 | set_gdb_data_directory (optarg); | |
e64e0392 | 711 | gdb_datadir_provided = 1; |
aae1c79a | 712 | break; |
3fc11d3e JM |
713 | #ifdef GDBTK |
714 | case 'z': | |
715 | { | |
371d5dec MS |
716 | extern int gdbtk_test (char *); |
717 | ||
3fc11d3e JM |
718 | if (!gdbtk_test (optarg)) |
719 | { | |
3e43a32a MS |
720 | fprintf_unfiltered (gdb_stderr, |
721 | _("%s: unable to load " | |
722 | "tclcommand file \"%s\""), | |
3fc11d3e JM |
723 | argv[0], optarg); |
724 | exit (1); | |
725 | } | |
726 | break; | |
727 | } | |
728 | case 'y': | |
78f49586 TT |
729 | /* Backwards compatibility only. */ |
730 | break; | |
3fc11d3e JM |
731 | case 'w': |
732 | { | |
3a9b40b6 JK |
733 | /* Set the external editor commands when gdb is farming out files |
734 | to be edited by another program. */ | |
735 | extern char *external_editor_command; | |
736 | ||
3fc11d3e JM |
737 | external_editor_command = xstrdup (optarg); |
738 | break; | |
739 | } | |
740 | #endif /* GDBTK */ | |
fb40c209 | 741 | case 'i': |
4389a95a AC |
742 | xfree (interpreter_p); |
743 | interpreter_p = xstrdup (optarg); | |
fb40c209 | 744 | break; |
c906108c SS |
745 | case 'd': |
746 | dirarg[ndir++] = optarg; | |
747 | if (ndir >= dirsize) | |
748 | { | |
749 | dirsize *= 2; | |
c5aa993b | 750 | dirarg = (char **) xrealloc ((char *) dirarg, |
c906108c SS |
751 | dirsize * sizeof (*dirarg)); |
752 | } | |
753 | break; | |
754 | case 't': | |
755 | ttyarg = optarg; | |
756 | break; | |
757 | case 'q': | |
758 | quiet = 1; | |
759 | break; | |
760 | case 'b': | |
761 | { | |
762 | int i; | |
763 | char *p; | |
764 | ||
765 | i = strtol (optarg, &p, 0); | |
766 | if (i == 0 && p == optarg) | |
767 | ||
768 | /* Don't use *_filtered or warning() (which relies on | |
371d5dec | 769 | current_target) until after initialize_all_files(). */ |
c906108c SS |
770 | |
771 | fprintf_unfiltered | |
772 | (gdb_stderr, | |
defc6f8c | 773 | _("warning: could not set baud rate to `%s'.\n"), optarg); |
c906108c SS |
774 | else |
775 | baud_rate = i; | |
776 | } | |
046ca86a | 777 | break; |
c906108c SS |
778 | case 'l': |
779 | { | |
780 | int i; | |
781 | char *p; | |
782 | ||
783 | i = strtol (optarg, &p, 0); | |
784 | if (i == 0 && p == optarg) | |
785 | ||
786 | /* Don't use *_filtered or warning() (which relies on | |
371d5dec | 787 | current_target) until after initialize_all_files(). */ |
c906108c | 788 | |
3e43a32a MS |
789 | fprintf_unfiltered (gdb_stderr, |
790 | _("warning: could not set " | |
791 | "timeout limit to `%s'.\n"), optarg); | |
c906108c SS |
792 | else |
793 | remote_timeout = i; | |
794 | } | |
795 | break; | |
796 | ||
c906108c SS |
797 | case '?': |
798 | fprintf_unfiltered (gdb_stderr, | |
3e43a32a MS |
799 | _("Use `%s --help' for a " |
800 | "complete list of options.\n"), | |
c5aa993b | 801 | argv[0]); |
c906108c SS |
802 | exit (1); |
803 | } | |
804 | } | |
805 | ||
7c953934 | 806 | if (batch_flag) |
c906108c SS |
807 | quiet = 1; |
808 | } | |
809 | ||
992c7d70 GB |
810 | /* Try to set up an alternate signal stack for SIGSEGV handlers. */ |
811 | setup_alternate_signal_stack (); | |
812 | ||
0f71a2f6 | 813 | /* Initialize all files. Give the interpreter a chance to take |
ba5e7e8d | 814 | control of the console via the deprecated_init_ui_hook (). */ |
b5981e5a | 815 | gdb_init (gdb_program_name); |
c906108c | 816 | |
371d5dec MS |
817 | /* Now that gdb_init has created the initial inferior, we're in |
818 | position to set args for that inferior. */ | |
3f81c18a VP |
819 | if (set_args) |
820 | { | |
821 | /* The remaining options are the command-line options for the | |
822 | inferior. The first one is the sym/exec file, and the rest | |
823 | are arguments. */ | |
824 | if (optind >= argc) | |
825 | { | |
826 | fprintf_unfiltered (gdb_stderr, | |
3e43a32a MS |
827 | _("%s: `--args' specified but " |
828 | "no program specified\n"), | |
3f81c18a VP |
829 | argv[0]); |
830 | exit (1); | |
831 | } | |
832 | symarg = argv[optind]; | |
833 | execarg = argv[optind]; | |
834 | ++optind; | |
835 | set_inferior_args_vector (argc - optind, &argv[optind]); | |
836 | } | |
837 | else | |
838 | { | |
839 | /* OK, that's all the options. */ | |
840 | ||
841 | /* The first argument, if specified, is the name of the | |
842 | executable. */ | |
843 | if (optind < argc) | |
844 | { | |
845 | symarg = argv[optind]; | |
846 | execarg = argv[optind]; | |
847 | optind++; | |
848 | } | |
849 | ||
850 | /* If the user hasn't already specified a PID or the name of a | |
851 | core file, then a second optional argument is allowed. If | |
852 | present, this argument should be interpreted as either a | |
853 | PID or a core file, whichever works. */ | |
854 | if (pidarg == NULL && corearg == NULL && optind < argc) | |
855 | { | |
856 | pid_or_core_arg = argv[optind]; | |
857 | optind++; | |
858 | } | |
859 | ||
860 | /* Any argument left on the command line is unexpected and | |
861 | will be ignored. Inform the user. */ | |
862 | if (optind < argc) | |
3e43a32a MS |
863 | fprintf_unfiltered (gdb_stderr, |
864 | _("Excess command line " | |
865 | "arguments ignored. (%s%s)\n"), | |
3f81c18a VP |
866 | argv[optind], |
867 | (optind == argc - 1) ? "" : " ..."); | |
868 | } | |
869 | ||
025bb325 | 870 | /* Lookup gdbinit files. Note that the gdbinit file name may be |
371d5dec MS |
871 | overriden during file initialization, so get_init_files should be |
872 | called after gdb_init. */ | |
57a46001 JG |
873 | get_init_files (&system_gdbinit, &home_gdbinit, &local_gdbinit); |
874 | ||
c906108c | 875 | /* Do these (and anything which might call wrap_here or *_filtered) |
4389a95a AC |
876 | after initialize_all_files() but before the interpreter has been |
877 | installed. Otherwize the help/version messages will be eaten by | |
878 | the interpreter's output handler. */ | |
879 | ||
c906108c SS |
880 | if (print_version) |
881 | { | |
882 | print_gdb_version (gdb_stdout); | |
883 | wrap_here (""); | |
884 | printf_filtered ("\n"); | |
885 | exit (0); | |
886 | } | |
887 | ||
888 | if (print_help) | |
889 | { | |
890 | print_gdb_help (gdb_stdout); | |
891 | fputs_unfiltered ("\n", gdb_stdout); | |
892 | exit (0); | |
893 | } | |
894 | ||
6eaaf48b EZ |
895 | if (print_configuration) |
896 | { | |
897 | print_gdb_configuration (gdb_stdout); | |
898 | wrap_here (""); | |
899 | printf_filtered ("\n"); | |
900 | exit (0); | |
901 | } | |
902 | ||
4389a95a AC |
903 | /* FIXME: cagney/2003-02-03: The big hack (part 1 of 2) that lets |
904 | GDB retain the old MI1 interpreter startup behavior. Output the | |
905 | copyright message before the interpreter is installed. That way | |
906 | it isn't encapsulated in MI output. */ | |
907 | if (!quiet && strcmp (interpreter_p, INTERP_MI1) == 0) | |
908 | { | |
371d5dec MS |
909 | /* Print all the junk at the top, with trailing "..." if we are |
910 | about to read a symbol file (possibly slowly). */ | |
4389a95a AC |
911 | print_gdb_version (gdb_stdout); |
912 | if (symarg) | |
913 | printf_filtered (".."); | |
914 | wrap_here (""); | |
e896d70e | 915 | printf_filtered ("\n"); |
371d5dec MS |
916 | gdb_flush (gdb_stdout); /* Force to screen during slow |
917 | operations. */ | |
4389a95a AC |
918 | } |
919 | ||
4389a95a | 920 | /* Install the default UI. All the interpreters should have had a |
371d5dec | 921 | look at things by now. Initialize the default interpreter. */ |
4389a95a AC |
922 | |
923 | { | |
924 | /* Find it. */ | |
925 | struct interp *interp = interp_lookup (interpreter_p); | |
b8d56208 | 926 | |
4389a95a | 927 | if (interp == NULL) |
8a3fe4f8 | 928 | error (_("Interpreter `%s' unrecognized"), interpreter_p); |
4389a95a | 929 | /* Install it. */ |
683f2885 | 930 | if (!interp_set (interp, 1)) |
4389a95a AC |
931 | { |
932 | fprintf_unfiltered (gdb_stderr, | |
933 | "Interpreter `%s' failed to initialize.\n", | |
934 | interpreter_p); | |
935 | exit (1); | |
936 | } | |
937 | } | |
938 | ||
939 | /* FIXME: cagney/2003-02-03: The big hack (part 2 of 2) that lets | |
940 | GDB retain the old MI1 interpreter startup behavior. Output the | |
941 | copyright message after the interpreter is installed when it is | |
942 | any sane interpreter. */ | |
943 | if (!quiet && !current_interp_named_p (INTERP_MI1)) | |
c906108c | 944 | { |
371d5dec MS |
945 | /* Print all the junk at the top, with trailing "..." if we are |
946 | about to read a symbol file (possibly slowly). */ | |
c906108c SS |
947 | print_gdb_version (gdb_stdout); |
948 | if (symarg) | |
949 | printf_filtered (".."); | |
c5aa993b | 950 | wrap_here (""); |
e896d70e | 951 | printf_filtered ("\n"); |
371d5dec MS |
952 | gdb_flush (gdb_stdout); /* Force to screen during slow |
953 | operations. */ | |
c906108c SS |
954 | } |
955 | ||
e896d70e | 956 | /* Set off error and warning messages with a blank line. */ |
defc6f8c | 957 | warning_pre_print = _("\nwarning: "); |
c906108c | 958 | |
16e7150e JG |
959 | /* Read and execute the system-wide gdbinit file, if it exists. |
960 | This is done *before* all the command line arguments are | |
961 | processed; it sets global parameters, which are independent of | |
962 | what file you are debugging or what directory you are in. */ | |
963 | if (system_gdbinit && !inhibit_gdbinit) | |
50dd9793 PA |
964 | catch_command_errors_const (source_script, system_gdbinit, |
965 | 0, RETURN_MASK_ALL); | |
16e7150e | 966 | |
c906108c SS |
967 | /* Read and execute $HOME/.gdbinit file, if it exists. This is done |
968 | *before* all the command line arguments are processed; it sets | |
969 | global parameters, which are independent of what file you are | |
970 | debugging or what directory you are in. */ | |
c906108c | 971 | |
07540c15 | 972 | if (home_gdbinit && !inhibit_gdbinit && !inhibit_home_gdbinit) |
50dd9793 PA |
973 | catch_command_errors_const (source_script, |
974 | home_gdbinit, 0, RETURN_MASK_ALL); | |
c906108c | 975 | |
2d7b58e8 JK |
976 | /* Process '-ix' and '-iex' options early. */ |
977 | for (i = 0; VEC_iterate (cmdarg_s, cmdarg_vec, i, cmdarg_p); i++) | |
978 | switch (cmdarg_p->type) | |
979 | { | |
980 | case CMDARG_INIT_FILE: | |
50dd9793 PA |
981 | catch_command_errors_const (source_script, cmdarg_p->string, |
982 | !batch_flag, RETURN_MASK_ALL); | |
2d7b58e8 JK |
983 | break; |
984 | case CMDARG_INIT_COMMAND: | |
985 | catch_command_errors (execute_command, cmdarg_p->string, | |
986 | !batch_flag, RETURN_MASK_ALL); | |
987 | break; | |
988 | } | |
989 | ||
c906108c SS |
990 | /* Now perform all the actions indicated by the arguments. */ |
991 | if (cdarg != NULL) | |
992 | { | |
11cf8741 | 993 | catch_command_errors (cd_command, cdarg, 0, RETURN_MASK_ALL); |
c906108c | 994 | } |
c906108c SS |
995 | |
996 | for (i = 0; i < ndir; i++) | |
13d35ae5 | 997 | catch_command_errors (directory_switch, dirarg[i], 0, RETURN_MASK_ALL); |
b8c9b27d | 998 | xfree (dirarg); |
c906108c | 999 | |
88a1906b | 1000 | /* Skip auto-loading section-specified scripts until we've sourced |
371d5dec MS |
1001 | local_gdbinit (which is often used to augment the source search |
1002 | path). */ | |
bf88dd68 JK |
1003 | save_auto_load = global_auto_load; |
1004 | global_auto_load = 0; | |
88a1906b | 1005 | |
c906108c SS |
1006 | if (execarg != NULL |
1007 | && symarg != NULL | |
5cb316ef | 1008 | && strcmp (execarg, symarg) == 0) |
c906108c | 1009 | { |
11cf8741 JM |
1010 | /* The exec file and the symbol-file are the same. If we can't |
1011 | open it, better only print one error message. | |
371d5dec | 1012 | catch_command_errors returns non-zero on success! */ |
3e43a32a MS |
1013 | if (catch_command_errors (exec_file_attach, execarg, |
1014 | !batch_flag, RETURN_MASK_ALL)) | |
69150c3d JK |
1015 | catch_command_errors_const (symbol_file_add_main, symarg, |
1016 | !batch_flag, RETURN_MASK_ALL); | |
c906108c SS |
1017 | } |
1018 | else | |
1019 | { | |
1020 | if (execarg != NULL) | |
3e43a32a MS |
1021 | catch_command_errors (exec_file_attach, execarg, |
1022 | !batch_flag, RETURN_MASK_ALL); | |
c906108c | 1023 | if (symarg != NULL) |
69150c3d JK |
1024 | catch_command_errors_const (symbol_file_add_main, symarg, |
1025 | !batch_flag, RETURN_MASK_ALL); | |
c906108c | 1026 | } |
c906108c | 1027 | |
a4d9b460 | 1028 | if (corearg && pidarg) |
3e43a32a MS |
1029 | error (_("Can't attach to process and specify " |
1030 | "a core file at the same time.")); | |
a4d9b460 | 1031 | |
c906108c | 1032 | if (corearg != NULL) |
a4d9b460 | 1033 | catch_command_errors (core_file_command, corearg, |
7c953934 | 1034 | !batch_flag, RETURN_MASK_ALL); |
a4d9b460 PA |
1035 | else if (pidarg != NULL) |
1036 | catch_command_errors (attach_command, pidarg, | |
7c953934 | 1037 | !batch_flag, RETURN_MASK_ALL); |
a4d9b460 | 1038 | else if (pid_or_core_arg) |
c906108c | 1039 | { |
a4d9b460 PA |
1040 | /* The user specified 'gdb program pid' or gdb program core'. |
1041 | If pid_or_core_arg's first character is a digit, try attach | |
1042 | first and then corefile. Otherwise try just corefile. */ | |
00546b04 | 1043 | |
a4d9b460 | 1044 | if (isdigit (pid_or_core_arg[0])) |
11cf8741 | 1045 | { |
a4d9b460 | 1046 | if (catch_command_errors (attach_command, pid_or_core_arg, |
7c953934 | 1047 | !batch_flag, RETURN_MASK_ALL) == 0) |
a4d9b460 | 1048 | catch_command_errors (core_file_command, pid_or_core_arg, |
7c953934 | 1049 | !batch_flag, RETURN_MASK_ALL); |
11cf8741 | 1050 | } |
a4d9b460 PA |
1051 | else /* Can't be a pid, better be a corefile. */ |
1052 | catch_command_errors (core_file_command, pid_or_core_arg, | |
7c953934 | 1053 | !batch_flag, RETURN_MASK_ALL); |
c906108c | 1054 | } |
c906108c SS |
1055 | |
1056 | if (ttyarg != NULL) | |
3f81c18a | 1057 | set_inferior_io_terminal (ttyarg); |
c906108c | 1058 | |
371d5dec | 1059 | /* Error messages should no longer be distinguished with extra output. */ |
defc6f8c | 1060 | warning_pre_print = _("warning: "); |
c906108c SS |
1061 | |
1062 | /* Read the .gdbinit file in the current directory, *if* it isn't | |
1063 | the same as the $HOME/.gdbinit file (it should exist, also). */ | |
bf88dd68 JK |
1064 | if (local_gdbinit) |
1065 | { | |
1066 | auto_load_local_gdbinit_pathname = gdb_realpath (local_gdbinit); | |
1067 | ||
bccbefd2 | 1068 | if (!inhibit_gdbinit && auto_load_local_gdbinit |
4dc84fd1 JK |
1069 | && file_is_auto_load_safe (local_gdbinit, |
1070 | _("auto-load: Loading .gdbinit " | |
1071 | "file \"%s\".\n"), | |
1072 | local_gdbinit)) | |
bf88dd68 JK |
1073 | { |
1074 | auto_load_local_gdbinit_loaded = 1; | |
1075 | ||
50dd9793 PA |
1076 | catch_command_errors_const (source_script, local_gdbinit, 0, |
1077 | RETURN_MASK_ALL); | |
bf88dd68 JK |
1078 | } |
1079 | } | |
c906108c | 1080 | |
88a1906b DE |
1081 | /* Now that all .gdbinit's have been read and all -d options have been |
1082 | processed, we can read any scripts mentioned in SYMARG. | |
1083 | We wait until now because it is common to add to the source search | |
1084 | path in local_gdbinit. */ | |
bf88dd68 | 1085 | global_auto_load = save_auto_load; |
7f6130ff JK |
1086 | ALL_OBJFILES (objfile) |
1087 | load_auto_scripts_for_objfile (objfile); | |
88a1906b | 1088 | |
8320cc4f | 1089 | /* Process '-x' and '-ex' options. */ |
26743505 JK |
1090 | for (i = 0; VEC_iterate (cmdarg_s, cmdarg_vec, i, cmdarg_p); i++) |
1091 | switch (cmdarg_p->type) | |
c906108c | 1092 | { |
26743505 | 1093 | case CMDARG_FILE: |
50dd9793 PA |
1094 | catch_command_errors_const (source_script, cmdarg_p->string, |
1095 | !batch_flag, RETURN_MASK_ALL); | |
26743505 JK |
1096 | break; |
1097 | case CMDARG_COMMAND: | |
1098 | catch_command_errors (execute_command, cmdarg_p->string, | |
7c953934 | 1099 | !batch_flag, RETURN_MASK_ALL); |
26743505 | 1100 | break; |
c906108c | 1101 | } |
c906108c | 1102 | |
371d5dec MS |
1103 | /* Read in the old history after all the command files have been |
1104 | read. */ | |
c5aa993b | 1105 | init_history (); |
c906108c | 1106 | |
7c953934 | 1107 | if (batch_flag) |
c906108c SS |
1108 | { |
1109 | /* We have hit the end of the batch file. */ | |
4b0ad762 | 1110 | quit_force (NULL, 0); |
c906108c SS |
1111 | } |
1112 | ||
c906108c | 1113 | /* Show time and/or space usage. */ |
0f3bb72e | 1114 | do_cleanups (pre_stat_chain); |
c906108c | 1115 | |
11cf8741 JM |
1116 | /* NOTE: cagney/1999-11-07: There is probably no reason for not |
1117 | moving this loop and the code found in captured_command_loop() | |
1118 | into the command_loop() proper. The main thing holding back that | |
371d5dec | 1119 | change - SET_TOP_LEVEL() - has been eliminated. */ |
11cf8741 JM |
1120 | while (1) |
1121 | { | |
1122 | catch_errors (captured_command_loop, 0, "", RETURN_MASK_ALL); | |
1123 | } | |
11cf8741 JM |
1124 | /* No exit -- exit is through quit_command. */ |
1125 | } | |
c906108c | 1126 | |
11cf8741 | 1127 | int |
f15ab4a7 | 1128 | gdb_main (struct captured_main_args *args) |
11cf8741 | 1129 | { |
f15ab4a7 | 1130 | catch_errors (captured_main, args, "", RETURN_MASK_ALL); |
864dbc90 AC |
1131 | /* The only way to end up here is by an error (normal exit is |
1132 | handled by quit_force()), hence always return an error status. */ | |
1133 | return 1; | |
c906108c SS |
1134 | } |
1135 | ||
11cf8741 | 1136 | |
c906108c SS |
1137 | /* Don't use *_filtered for printing help. We don't want to prompt |
1138 | for continue no matter how small the screen or how much we're going | |
1139 | to print. */ | |
1140 | ||
1141 | static void | |
d9fcf2fb | 1142 | print_gdb_help (struct ui_file *stream) |
c906108c | 1143 | { |
50dd9793 PA |
1144 | const char *system_gdbinit; |
1145 | const char *home_gdbinit; | |
1146 | const char *local_gdbinit; | |
16e7150e JG |
1147 | |
1148 | get_init_files (&system_gdbinit, &home_gdbinit, &local_gdbinit); | |
1149 | ||
b187bec1 EZ |
1150 | /* Note: The options in the list below are only approximately sorted |
1151 | in the alphabetical order, so as to group closely related options | |
1152 | together. */ | |
defc6f8c | 1153 | fputs_unfiltered (_("\ |
c906108c | 1154 | This is the GNU debugger. Usage:\n\n\ |
552c04a7 TT |
1155 | gdb [options] [executable-file [core-file or process-id]]\n\ |
1156 | gdb [options] --args executable-file [inferior-arguments ...]\n\n\ | |
defc6f8c TT |
1157 | "), stream); |
1158 | fputs_unfiltered (_("\ | |
b187bec1 | 1159 | Selection of debuggee and its files:\n\n\ |
552c04a7 | 1160 | --args Arguments after executable-file are passed to inferior\n\ |
b187bec1 EZ |
1161 | --core=COREFILE Analyze the core dump COREFILE.\n\ |
1162 | --exec=EXECFILE Use EXECFILE as the executable.\n\ | |
1163 | --pid=PID Attach to running process PID.\n\ | |
1164 | --directory=DIR Search for source files in DIR.\n\ | |
1165 | --se=FILE Use FILE as symbol file and executable file.\n\ | |
1166 | --symbols=SYMFILE Read symbols from SYMFILE.\n\ | |
1167 | --readnow Fully read symbol files on first access.\n\ | |
1168 | --write Set writing into executable and core files.\n\n\ | |
defc6f8c TT |
1169 | "), stream); |
1170 | fputs_unfiltered (_("\ | |
b187bec1 | 1171 | Initial commands and command files:\n\n\ |
8a5a3c82 | 1172 | --command=FILE, -x Execute GDB commands from FILE.\n\ |
b187bec1 EZ |
1173 | --init-command=FILE, -ix\n\ |
1174 | Like -x but execute commands before loading inferior.\n\ | |
8a5a3c82 AS |
1175 | --eval-command=COMMAND, -ex\n\ |
1176 | Execute a single GDB command.\n\ | |
1177 | May be used multiple times and in conjunction\n\ | |
1178 | with --command.\n\ | |
b187bec1 EZ |
1179 | --init-eval-command=COMMAND, -iex\n\ |
1180 | Like -ex but before loading inferior.\n\ | |
1181 | --nh Do not read ~/.gdbinit.\n\ | |
1182 | --nx Do not read any .gdbinit files in any directory.\n\n\ | |
defc6f8c TT |
1183 | "), stream); |
1184 | fputs_unfiltered (_("\ | |
b187bec1 | 1185 | Output and user interface control:\n\n\ |
c906108c | 1186 | --fullname Output information used by emacs-GDB interface.\n\ |
8b93c638 JM |
1187 | --interpreter=INTERP\n\ |
1188 | Select a specific interpreter / user interface\n\ | |
c906108c | 1189 | --tty=TTY Use TTY for input/output by the program being debugged.\n\ |
b187bec1 EZ |
1190 | -w Use the GUI interface.\n\ |
1191 | --nw Do not use the GUI interface.\n\ | |
defc6f8c | 1192 | "), stream); |
c906108c | 1193 | #if defined(TUI) |
defc6f8c | 1194 | fputs_unfiltered (_("\ |
c906108c | 1195 | --tui Use a terminal user interface.\n\ |
defc6f8c | 1196 | "), stream); |
c906108c | 1197 | #endif |
481860b3 | 1198 | fputs_unfiltered (_("\ |
b187bec1 | 1199 | --dbx DBX compatibility mode.\n\ |
c906108c | 1200 | --xdb XDB compatibility mode.\n\ |
adcc0a31 | 1201 | -q, --quiet, --silent\n\ |
1202 | Do not print version number on startup.\n\n\ | |
b187bec1 EZ |
1203 | "), stream); |
1204 | fputs_unfiltered (_("\ | |
1205 | Operating modes:\n\n\ | |
1206 | --batch Exit after processing options.\n\ | |
1207 | --batch-silent Like --batch, but suppress all gdb stdout output.\n\ | |
1208 | --return-child-result\n\ | |
1209 | GDB exit code will be the child's exit code.\n\ | |
1210 | --configuration Print details about GDB configuration and then exit.\n\ | |
1211 | --help Print this message and then exit.\n\ | |
1212 | --version Print version information and then exit.\n\n\ | |
1213 | Remote debugging options:\n\n\ | |
1214 | -b BAUDRATE Set serial port baud rate used for remote debugging.\n\ | |
1215 | -l TIMEOUT Set timeout in seconds for remote debugging.\n\n\ | |
1216 | Other options:\n\n\ | |
1217 | --cd=DIR Change current directory to DIR.\n\ | |
8d551b02 DE |
1218 | --data-directory=DIR, -D\n\ |
1219 | Set GDB's data-directory to DIR.\n\ | |
defc6f8c | 1220 | "), stream); |
defc6f8c | 1221 | fputs_unfiltered (_("\n\ |
16e7150e JG |
1222 | At startup, GDB reads the following init files and executes their commands:\n\ |
1223 | "), stream); | |
1224 | if (system_gdbinit) | |
1225 | fprintf_unfiltered (stream, _("\ | |
1226 | * system-wide init file: %s\n\ | |
1227 | "), system_gdbinit); | |
1228 | if (home_gdbinit) | |
1229 | fprintf_unfiltered (stream, _("\ | |
1230 | * user-specific init file: %s\n\ | |
1231 | "), home_gdbinit); | |
1232 | if (local_gdbinit) | |
1233 | fprintf_unfiltered (stream, _("\ | |
bf88dd68 | 1234 | * local init file (see also 'set auto-load local-gdbinit'): ./%s\n\ |
16e7150e JG |
1235 | "), local_gdbinit); |
1236 | fputs_unfiltered (_("\n\ | |
c906108c SS |
1237 | For more information, type \"help\" from within GDB, or consult the\n\ |
1238 | GDB manual (available as on-line info or a printed manual).\n\ | |
defc6f8c | 1239 | "), stream); |
c16158bc JM |
1240 | if (REPORT_BUGS_TO[0] && stream == gdb_stdout) |
1241 | fprintf_unfiltered (stream, _("\ | |
1242 | Report bugs to \"%s\".\n\ | |
1243 | "), REPORT_BUGS_TO); | |
c906108c | 1244 | } |