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> |
94696ad3 | 49 | #include "event-top.h" |
b5981e5a | 50 | |
4389a95a AC |
51 | /* The selected interpreter. This will be used as a set command |
52 | variable, so it should always be malloc'ed - since | |
371d5dec | 53 | do_setshow_command will free it. */ |
fb40c209 | 54 | char *interpreter_p; |
fb40c209 | 55 | |
371d5dec | 56 | /* Whether xdb commands will be handled. */ |
c906108c SS |
57 | int xdb_commands = 0; |
58 | ||
371d5dec | 59 | /* Whether dbx commands will be handled. */ |
c906108c SS |
60 | int dbx_commands = 0; |
61 | ||
030292b7 DJ |
62 | /* System root path, used to find libraries etc. */ |
63 | char *gdb_sysroot = 0; | |
64 | ||
b14b1491 TT |
65 | /* GDB datadir, used to store data files. */ |
66 | char *gdb_datadir = 0; | |
67 | ||
e64e0392 DE |
68 | /* Non-zero if GDB_DATADIR was provided on the command line. |
69 | This doesn't track whether data-directory is set later from the | |
70 | command line, but we don't reread system.gdbinit when that happens. */ | |
71 | static int gdb_datadir_provided = 0; | |
72 | ||
0c4a4063 DE |
73 | /* If gdb was configured with --with-python=/path, |
74 | the possibly relocated path to python's lib directory. */ | |
75 | char *python_libdir = 0; | |
76 | ||
d9fcf2fb JM |
77 | struct ui_file *gdb_stdout; |
78 | struct ui_file *gdb_stderr; | |
79 | struct ui_file *gdb_stdlog; | |
449092f6 | 80 | struct ui_file *gdb_stdin; |
371d5dec | 81 | /* Target IO streams. */ |
449092f6 | 82 | struct ui_file *gdb_stdtargin; |
22e8e3c7 | 83 | struct ui_file *gdb_stdtarg; |
449092f6 | 84 | struct ui_file *gdb_stdtargerr; |
c906108c | 85 | |
7c953934 TT |
86 | /* True if --batch or --batch-silent was seen. */ |
87 | int batch_flag = 0; | |
88 | ||
1a088d06 AS |
89 | /* Support for the --batch-silent option. */ |
90 | int batch_silent = 0; | |
91 | ||
4b0ad762 AS |
92 | /* Support for --return-child-result option. |
93 | Set the default to -1 to return error in the case | |
94 | that the program does not run or does not complete. */ | |
95 | int return_child_result = 0; | |
96 | int return_child_result_value = -1; | |
97 | ||
c906108c | 98 | |
16e7150e JG |
99 | /* GDB as it has been invoked from the command line (i.e. argv[0]). */ |
100 | static char *gdb_program_name; | |
101 | ||
c88a1531 AB |
102 | /* Return read only pointer to GDB_PROGRAM_NAME. */ |
103 | const char * | |
104 | get_gdb_program_name (void) | |
105 | { | |
106 | return gdb_program_name; | |
107 | } | |
108 | ||
d9fcf2fb | 109 | static void print_gdb_help (struct ui_file *); |
c906108c | 110 | |
8d551b02 DE |
111 | /* Set the data-directory parameter to NEW_DATADIR. |
112 | If NEW_DATADIR is not a directory then a warning is printed. | |
113 | We don't signal an error for backward compatibility. */ | |
114 | ||
115 | void | |
116 | set_gdb_data_directory (const char *new_datadir) | |
117 | { | |
118 | struct stat st; | |
119 | ||
120 | if (stat (new_datadir, &st) < 0) | |
121 | { | |
122 | int save_errno = errno; | |
123 | ||
124 | fprintf_unfiltered (gdb_stderr, "Warning: "); | |
125 | print_sys_errmsg (new_datadir, save_errno); | |
126 | } | |
127 | else if (!S_ISDIR (st.st_mode)) | |
128 | warning (_("%s is not a directory."), new_datadir); | |
129 | ||
130 | xfree (gdb_datadir); | |
131 | gdb_datadir = gdb_realpath (new_datadir); | |
132 | ||
133 | /* gdb_realpath won't return an absolute path if the path doesn't exist, | |
134 | but we still want to record an absolute path here. If the user entered | |
135 | "../foo" and "../foo" doesn't exist then we'll record $(pwd)/../foo which | |
136 | isn't canonical, but that's ok. */ | |
137 | if (!IS_ABSOLUTE_PATH (gdb_datadir)) | |
138 | { | |
139 | char *abs_datadir = gdb_abspath (gdb_datadir); | |
140 | ||
141 | xfree (gdb_datadir); | |
142 | gdb_datadir = abs_datadir; | |
143 | } | |
144 | } | |
145 | ||
b14b1491 TT |
146 | /* Relocate a file or directory. PROGNAME is the name by which gdb |
147 | was invoked (i.e., argv[0]). INITIAL is the default value for the | |
148 | file or directory. FLAG is true if the value is relocatable, false | |
149 | otherwise. Returns a newly allocated string; this may return NULL | |
150 | under the same conditions as make_relative_prefix. */ | |
478aac75 | 151 | |
b14b1491 TT |
152 | static char * |
153 | relocate_path (const char *progname, const char *initial, int flag) | |
154 | { | |
155 | if (flag) | |
156 | return make_relative_prefix (progname, BINDIR, initial); | |
157 | return xstrdup (initial); | |
158 | } | |
159 | ||
160 | /* Like relocate_path, but specifically checks for a directory. | |
161 | INITIAL is relocated according to the rules of relocate_path. If | |
162 | the result is a directory, it is used; otherwise, INITIAL is used. | |
163 | The chosen directory is then canonicalized using lrealpath. This | |
164 | function always returns a newly-allocated string. */ | |
478aac75 DE |
165 | |
166 | char * | |
167 | relocate_gdb_directory (const char *initial, int flag) | |
b14b1491 TT |
168 | { |
169 | char *dir; | |
170 | ||
478aac75 | 171 | dir = relocate_path (gdb_program_name, initial, flag); |
b14b1491 TT |
172 | if (dir) |
173 | { | |
174 | struct stat s; | |
175 | ||
78a8b30e | 176 | if (*dir == '\0' || stat (dir, &s) != 0 || !S_ISDIR (s.st_mode)) |
b14b1491 TT |
177 | { |
178 | xfree (dir); | |
179 | dir = NULL; | |
180 | } | |
181 | } | |
182 | if (!dir) | |
183 | dir = xstrdup (initial); | |
184 | ||
185 | /* Canonicalize the directory. */ | |
186 | if (*dir) | |
187 | { | |
188 | char *canon_sysroot = lrealpath (dir); | |
b8d56208 | 189 | |
b14b1491 TT |
190 | if (canon_sysroot) |
191 | { | |
192 | xfree (dir); | |
193 | dir = canon_sysroot; | |
194 | } | |
195 | } | |
196 | ||
197 | return dir; | |
198 | } | |
199 | ||
371d5dec MS |
200 | /* Compute the locations of init files that GDB should source and |
201 | return them in SYSTEM_GDBINIT, HOME_GDBINIT, LOCAL_GDBINIT. If | |
202 | there is no system gdbinit (resp. home gdbinit and local gdbinit) | |
203 | to be loaded, then SYSTEM_GDBINIT (resp. HOME_GDBINIT and | |
204 | LOCAL_GDBINIT) is set to NULL. */ | |
16e7150e | 205 | static void |
50dd9793 PA |
206 | get_init_files (const char **system_gdbinit, |
207 | const char **home_gdbinit, | |
208 | const char **local_gdbinit) | |
16e7150e | 209 | { |
50dd9793 | 210 | static const char *sysgdbinit = NULL; |
16e7150e | 211 | static char *homeinit = NULL; |
50dd9793 | 212 | static const char *localinit = NULL; |
16e7150e JG |
213 | static int initialized = 0; |
214 | ||
215 | if (!initialized) | |
216 | { | |
217 | struct stat homebuf, cwdbuf, s; | |
e64e0392 | 218 | char *homedir; |
16e7150e | 219 | |
b14b1491 | 220 | if (SYSTEM_GDBINIT[0]) |
16e7150e | 221 | { |
e64e0392 DE |
222 | int datadir_len = strlen (GDB_DATADIR); |
223 | int sys_gdbinit_len = strlen (SYSTEM_GDBINIT); | |
224 | char *relocated_sysgdbinit; | |
225 | ||
226 | /* If SYSTEM_GDBINIT lives in data-directory, and data-directory | |
227 | has been provided, search for SYSTEM_GDBINIT there. */ | |
228 | if (gdb_datadir_provided | |
229 | && datadir_len < sys_gdbinit_len | |
b5981e5a EZ |
230 | && filename_ncmp (SYSTEM_GDBINIT, GDB_DATADIR, datadir_len) == 0 |
231 | && IS_DIR_SEPARATOR (SYSTEM_GDBINIT[datadir_len])) | |
e64e0392 DE |
232 | { |
233 | /* Append the part of SYSTEM_GDBINIT that follows GDB_DATADIR | |
234 | to gdb_datadir. */ | |
235 | char *tmp_sys_gdbinit = xstrdup (SYSTEM_GDBINIT + datadir_len); | |
236 | char *p; | |
237 | ||
b5981e5a | 238 | for (p = tmp_sys_gdbinit; IS_DIR_SEPARATOR (*p); ++p) |
e64e0392 DE |
239 | continue; |
240 | relocated_sysgdbinit = concat (gdb_datadir, SLASH_STRING, p, | |
241 | NULL); | |
242 | xfree (tmp_sys_gdbinit); | |
243 | } | |
244 | else | |
245 | { | |
246 | relocated_sysgdbinit = relocate_path (gdb_program_name, | |
247 | SYSTEM_GDBINIT, | |
248 | SYSTEM_GDBINIT_RELOCATABLE); | |
249 | } | |
b14b1491 | 250 | if (relocated_sysgdbinit && stat (relocated_sysgdbinit, &s) == 0) |
16e7150e JG |
251 | sysgdbinit = relocated_sysgdbinit; |
252 | else | |
253 | xfree (relocated_sysgdbinit); | |
254 | } | |
16e7150e JG |
255 | |
256 | homedir = getenv ("HOME"); | |
257 | ||
258 | /* If the .gdbinit file in the current directory is the same as | |
259 | the $HOME/.gdbinit file, it should not be sourced. homebuf | |
025bb325 | 260 | and cwdbuf are used in that purpose. Make sure that the stats |
16e7150e JG |
261 | are zero in case one of them fails (this guarantees that they |
262 | won't match if either exists). */ | |
263 | ||
264 | memset (&homebuf, 0, sizeof (struct stat)); | |
265 | memset (&cwdbuf, 0, sizeof (struct stat)); | |
266 | ||
267 | if (homedir) | |
268 | { | |
269 | homeinit = xstrprintf ("%s/%s", homedir, gdbinit); | |
270 | if (stat (homeinit, &homebuf) != 0) | |
271 | { | |
272 | xfree (homeinit); | |
273 | homeinit = NULL; | |
274 | } | |
275 | } | |
276 | ||
277 | if (stat (gdbinit, &cwdbuf) == 0) | |
278 | { | |
279 | if (!homeinit | |
280 | || memcmp ((char *) &homebuf, (char *) &cwdbuf, | |
281 | sizeof (struct stat))) | |
282 | localinit = gdbinit; | |
283 | } | |
284 | ||
285 | initialized = 1; | |
286 | } | |
287 | ||
288 | *system_gdbinit = sysgdbinit; | |
289 | *home_gdbinit = homeinit; | |
290 | *local_gdbinit = localinit; | |
291 | } | |
292 | ||
992c7d70 GB |
293 | /* Try to set up an alternate signal stack for SIGSEGV handlers. |
294 | This allows us to handle SIGSEGV signals generated when the | |
295 | normal process stack is exhausted. If this stack is not set | |
296 | up (sigaltstack is unavailable or fails) and a SIGSEGV is | |
297 | generated when the normal stack is exhausted then the program | |
298 | will behave as though no SIGSEGV handler was installed. */ | |
299 | ||
300 | static void | |
301 | setup_alternate_signal_stack (void) | |
302 | { | |
303 | #ifdef HAVE_SIGALTSTACK | |
304 | stack_t ss; | |
305 | ||
306 | ss.ss_sp = xmalloc (SIGSTKSZ); | |
307 | ss.ss_size = SIGSTKSZ; | |
308 | ss.ss_flags = 0; | |
309 | ||
310 | sigaltstack(&ss, NULL); | |
311 | #endif | |
312 | } | |
313 | ||
11cf8741 | 314 | /* Call command_loop. If it happens to return, pass that through as a |
371d5dec | 315 | non-zero return status. */ |
11cf8741 JM |
316 | |
317 | static int | |
318 | captured_command_loop (void *data) | |
c906108c | 319 | { |
bb5291d0 | 320 | /* Top-level execution commands can be run in the background from |
b4a14fd0 PA |
321 | here on. */ |
322 | interpreter_async = 1; | |
323 | ||
4389a95a | 324 | current_interp_command_loop (); |
11cf8741 JM |
325 | /* FIXME: cagney/1999-11-05: A correct command_loop() implementaton |
326 | would clean things up (restoring the cleanup chain) to the state | |
327 | they were just prior to the call. Technically, this means that | |
e26cc349 | 328 | the do_cleanups() below is redundant. Unfortunately, many FUNCs |
11cf8741 JM |
329 | are not that well behaved. do_cleanups should either be replaced |
330 | with a do_cleanups call (to cover the problem) or an assertion | |
371d5dec | 331 | check to detect bad FUNCs code. */ |
6328eb38 | 332 | do_cleanups (all_cleanups ()); |
11cf8741 | 333 | /* If the command_loop returned, normally (rather than threw an |
025bb325 | 334 | error) we try to quit. If the quit is aborted, catch_errors() |
11cf8741 | 335 | which called this catch the signal and restart the command |
371d5dec | 336 | loop. */ |
11cf8741 JM |
337 | quit_command (NULL, instream == stdin); |
338 | return 1; | |
339 | } | |
340 | ||
94696ad3 PA |
341 | /* Handle command errors thrown from within |
342 | catch_command_errors/catch_command_errors_const. */ | |
343 | ||
344 | static int | |
345 | handle_command_errors (volatile struct gdb_exception e) | |
346 | { | |
347 | if (e.reason < 0) | |
348 | { | |
349 | exception_print (gdb_stderr, e); | |
350 | ||
351 | /* If any exception escaped to here, we better enable stdin. | |
352 | Otherwise, any command that calls async_disable_stdin, and | |
353 | then throws, will leave stdin inoperable. */ | |
354 | async_enable_stdin (); | |
355 | return 0; | |
356 | } | |
357 | return 1; | |
358 | } | |
359 | ||
9d1e69a2 PA |
360 | /* Type of the command callback passed to catch_command_errors. */ |
361 | ||
362 | typedef void (catch_command_errors_ftype) (char *, int); | |
363 | ||
364 | /* Wrap calls to commands run before the event loop is started. */ | |
365 | ||
366 | static int | |
367 | catch_command_errors (catch_command_errors_ftype *command, | |
368 | char *arg, int from_tty, return_mask mask) | |
369 | { | |
370 | volatile struct gdb_exception e; | |
371 | ||
372 | TRY_CATCH (e, mask) | |
373 | { | |
374 | command (arg, from_tty); | |
375 | } | |
94696ad3 | 376 | return handle_command_errors (e); |
9d1e69a2 PA |
377 | } |
378 | ||
379 | /* Type of the command callback passed to catch_command_errors_const. */ | |
380 | ||
381 | typedef void (catch_command_errors_const_ftype) (const char *, int); | |
382 | ||
383 | /* Like catch_command_errors, but works with const command and args. */ | |
384 | ||
385 | static int | |
386 | catch_command_errors_const (catch_command_errors_const_ftype *command, | |
387 | const char *arg, int from_tty, return_mask mask) | |
388 | { | |
389 | volatile struct gdb_exception e; | |
390 | ||
391 | TRY_CATCH (e, mask) | |
392 | { | |
393 | command (arg, from_tty); | |
394 | } | |
94696ad3 | 395 | return handle_command_errors (e); |
9d1e69a2 PA |
396 | } |
397 | ||
26743505 JK |
398 | /* Arguments of --command option and its counterpart. */ |
399 | typedef struct cmdarg { | |
400 | /* Type of this option. */ | |
401 | enum { | |
402 | /* Option type -x. */ | |
403 | CMDARG_FILE, | |
404 | ||
405 | /* Option type -ex. */ | |
8320cc4f JK |
406 | CMDARG_COMMAND, |
407 | ||
408 | /* Option type -ix. */ | |
409 | CMDARG_INIT_FILE, | |
410 | ||
411 | /* Option type -iex. */ | |
412 | CMDARG_INIT_COMMAND | |
26743505 JK |
413 | } type; |
414 | ||
415 | /* Value of this option - filename or the GDB command itself. String memory | |
416 | is not owned by this structure despite it is 'const'. */ | |
417 | char *string; | |
418 | } cmdarg_s; | |
419 | ||
420 | /* Define type VEC (cmdarg_s). */ | |
421 | DEF_VEC_O (cmdarg_s); | |
422 | ||
11cf8741 JM |
423 | static int |
424 | captured_main (void *data) | |
425 | { | |
426 | struct captured_main_args *context = data; | |
427 | int argc = context->argc; | |
428 | char **argv = context->argv; | |
c906108c | 429 | static int quiet = 0; |
552c04a7 | 430 | static int set_args = 0; |
07540c15 | 431 | static int inhibit_home_gdbinit = 0; |
c906108c SS |
432 | |
433 | /* Pointers to various arguments from command line. */ | |
434 | char *symarg = NULL; | |
435 | char *execarg = NULL; | |
a4d9b460 | 436 | char *pidarg = NULL; |
c906108c | 437 | char *corearg = NULL; |
a4d9b460 | 438 | char *pid_or_core_arg = NULL; |
c906108c SS |
439 | char *cdarg = NULL; |
440 | char *ttyarg = NULL; | |
441 | ||
371d5dec MS |
442 | /* These are static so that we can take their address in an |
443 | initializer. */ | |
c906108c SS |
444 | static int print_help; |
445 | static int print_version; | |
6eaaf48b | 446 | static int print_configuration; |
c906108c SS |
447 | |
448 | /* Pointers to all arguments of --command option. */ | |
26743505 JK |
449 | VEC (cmdarg_s) *cmdarg_vec = NULL; |
450 | struct cmdarg *cmdarg_p; | |
c906108c SS |
451 | |
452 | /* Indices of all arguments of --directory option. */ | |
453 | char **dirarg; | |
454 | /* Allocated size. */ | |
455 | int dirsize; | |
456 | /* Number of elements used. */ | |
457 | int ndir; | |
c5aa993b | 458 | |
16e7150e | 459 | /* gdb init files. */ |
50dd9793 PA |
460 | const char *system_gdbinit; |
461 | const char *home_gdbinit; | |
462 | const char *local_gdbinit; | |
c906108c | 463 | |
52f0bd74 | 464 | int i; |
88a1906b | 465 | int save_auto_load; |
7f6130ff | 466 | struct objfile *objfile; |
c906108c | 467 | |
e565b837 DE |
468 | struct cleanup *pre_stat_chain; |
469 | ||
470 | #ifdef HAVE_SBRK | |
471 | /* Set this before calling make_command_stats_cleanup. */ | |
472 | lim_at_start = (char *) sbrk (0); | |
473 | #endif | |
474 | ||
475 | pre_stat_chain = make_command_stats_cleanup (0); | |
c906108c | 476 | |
0fbb3da7 TT |
477 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) |
478 | setlocale (LC_MESSAGES, ""); | |
479 | #endif | |
480 | #if defined (HAVE_SETLOCALE) | |
481 | setlocale (LC_CTYPE, ""); | |
482 | #endif | |
483 | bindtextdomain (PACKAGE, LOCALEDIR); | |
484 | textdomain (PACKAGE); | |
485 | ||
5484b13a | 486 | bfd_init (); |
614c279d | 487 | notice_open_fds (); |
5484b13a | 488 | |
26743505 | 489 | make_cleanup (VEC_cleanup (cmdarg_s), &cmdarg_vec); |
c906108c SS |
490 | dirsize = 1; |
491 | dirarg = (char **) xmalloc (dirsize * sizeof (*dirarg)); | |
492 | ndir = 0; | |
493 | ||
522002f9 | 494 | clear_quit_flag (); |
dc7eb48e PA |
495 | saved_command_line = (char *) xmalloc (saved_command_line_size); |
496 | saved_command_line[0] = '\0'; | |
c906108c SS |
497 | instream = stdin; |
498 | ||
ffa4ac95 YQ |
499 | #ifdef __MINGW32__ |
500 | /* Ensure stderr is unbuffered. A Cygwin pty or pipe is implemented | |
501 | as a Windows pipe, and Windows buffers on pipes. */ | |
502 | setvbuf (stderr, NULL, _IONBF, BUFSIZ); | |
503 | #endif | |
504 | ||
da59e081 | 505 | gdb_stdout = stdio_fileopen (stdout); |
ffa4ac95 YQ |
506 | gdb_stderr = stderr_fileopen (); |
507 | ||
da59e081 JM |
508 | gdb_stdlog = gdb_stderr; /* for moment */ |
509 | gdb_stdtarg = gdb_stderr; /* for moment */ | |
449092f6 CV |
510 | gdb_stdin = stdio_fileopen (stdin); |
511 | gdb_stdtargerr = gdb_stderr; /* for moment */ | |
512 | gdb_stdtargin = gdb_stdin; /* for moment */ | |
c906108c | 513 | |
b5981e5a EZ |
514 | #ifdef __MINGW32__ |
515 | /* On Windows, argv[0] is not necessarily set to absolute form when | |
516 | GDB is found along PATH, without which relocation doesn't work. */ | |
517 | gdb_program_name = windows_get_absolute_argv0 (argv[0]); | |
518 | #else | |
16e7150e | 519 | gdb_program_name = xstrdup (argv[0]); |
b5981e5a | 520 | #endif |
16e7150e | 521 | |
bf1d7d9c JB |
522 | if (! getcwd (gdb_dirbuf, sizeof (gdb_dirbuf))) |
523 | /* Don't use *_filtered or warning() (which relies on | |
371d5dec | 524 | current_target) until after initialize_all_files(). */ |
bf1d7d9c | 525 | fprintf_unfiltered (gdb_stderr, |
3e43a32a MS |
526 | _("%s: warning: error finding " |
527 | "working directory: %s\n"), | |
bf1d7d9c JB |
528 | argv[0], safe_strerror (errno)); |
529 | ||
530 | current_directory = gdb_dirbuf; | |
531 | ||
030292b7 | 532 | /* Set the sysroot path. */ |
478aac75 DE |
533 | gdb_sysroot = relocate_gdb_directory (TARGET_SYSTEM_ROOT, |
534 | TARGET_SYSTEM_ROOT_RELOCATABLE); | |
030292b7 | 535 | |
478aac75 DE |
536 | debug_file_directory = relocate_gdb_directory (DEBUGDIR, |
537 | DEBUGDIR_RELOCATABLE); | |
030292b7 | 538 | |
478aac75 DE |
539 | gdb_datadir = relocate_gdb_directory (GDB_DATADIR, |
540 | GDB_DATADIR_RELOCATABLE); | |
aa28a74e | 541 | |
0c4a4063 | 542 | #ifdef WITH_PYTHON_PATH |
e6040cbd MS |
543 | { |
544 | /* For later use in helping Python find itself. */ | |
545 | char *tmp = concat (WITH_PYTHON_PATH, SLASH_STRING, "lib", NULL); | |
546 | ||
478aac75 | 547 | python_libdir = relocate_gdb_directory (tmp, PYTHON_PATH_RELOCATABLE); |
e6040cbd MS |
548 | xfree (tmp); |
549 | } | |
0c4a4063 DE |
550 | #endif |
551 | ||
29b0e8a2 JM |
552 | #ifdef RELOC_SRCDIR |
553 | add_substitute_path_rule (RELOC_SRCDIR, | |
b5981e5a | 554 | make_relative_prefix (gdb_program_name, BINDIR, |
29b0e8a2 JM |
555 | RELOC_SRCDIR)); |
556 | #endif | |
557 | ||
4389a95a | 558 | /* There will always be an interpreter. Either the one passed into |
e46e5ccd KS |
559 | this captured main, or one specified by the user at start up, or |
560 | the console. Initialize the interpreter to the one requested by | |
561 | the application. */ | |
11bf1490 | 562 | interpreter_p = xstrdup (context->interpreter_p); |
4389a95a | 563 | |
c906108c SS |
564 | /* Parse arguments and options. */ |
565 | { | |
566 | int c; | |
567 | /* When var field is 0, use flag field to record the equivalent | |
568 | short option (or arbitrary numbers starting at 10 for those | |
569 | with no equivalent). */ | |
49c7e338 AC |
570 | enum { |
571 | OPT_SE = 10, | |
572 | OPT_CD, | |
573 | OPT_ANNOTATE, | |
574 | OPT_STATISTICS, | |
42fa7c0f AC |
575 | OPT_TUI, |
576 | OPT_NOWINDOWS, | |
8320cc4f JK |
577 | OPT_WINDOWS, |
578 | OPT_IX, | |
579 | OPT_IEX | |
49c7e338 | 580 | }; |
c906108c | 581 | static struct option long_options[] = |
c5aa993b | 582 | { |
49c7e338 | 583 | {"tui", no_argument, 0, OPT_TUI}, |
c5aa993b JM |
584 | {"xdb", no_argument, &xdb_commands, 1}, |
585 | {"dbx", no_argument, &dbx_commands, 1}, | |
586 | {"readnow", no_argument, &readnow_symbol_files, 1}, | |
587 | {"r", no_argument, &readnow_symbol_files, 1}, | |
c5aa993b JM |
588 | {"quiet", no_argument, &quiet, 1}, |
589 | {"q", no_argument, &quiet, 1}, | |
590 | {"silent", no_argument, &quiet, 1}, | |
07540c15 | 591 | {"nh", no_argument, &inhibit_home_gdbinit, 1}, |
c5aa993b JM |
592 | {"nx", no_argument, &inhibit_gdbinit, 1}, |
593 | {"n", no_argument, &inhibit_gdbinit, 1}, | |
1a088d06 | 594 | {"batch-silent", no_argument, 0, 'B'}, |
7c953934 | 595 | {"batch", no_argument, &batch_flag, 1}, |
c5aa993b | 596 | |
371d5dec MS |
597 | /* This is a synonym for "--annotate=1". --annotate is now |
598 | preferred, but keep this here for a long time because people | |
599 | will be running emacses which use --fullname. */ | |
c5aa993b JM |
600 | {"fullname", no_argument, 0, 'f'}, |
601 | {"f", no_argument, 0, 'f'}, | |
602 | ||
49c7e338 | 603 | {"annotate", required_argument, 0, OPT_ANNOTATE}, |
c5aa993b | 604 | {"help", no_argument, &print_help, 1}, |
49c7e338 | 605 | {"se", required_argument, 0, OPT_SE}, |
c5aa993b JM |
606 | {"symbols", required_argument, 0, 's'}, |
607 | {"s", required_argument, 0, 's'}, | |
608 | {"exec", required_argument, 0, 'e'}, | |
609 | {"e", required_argument, 0, 'e'}, | |
610 | {"core", required_argument, 0, 'c'}, | |
611 | {"c", required_argument, 0, 'c'}, | |
00546b04 MS |
612 | {"pid", required_argument, 0, 'p'}, |
613 | {"p", required_argument, 0, 'p'}, | |
c5aa993b | 614 | {"command", required_argument, 0, 'x'}, |
8a5a3c82 | 615 | {"eval-command", required_argument, 0, 'X'}, |
c5aa993b | 616 | {"version", no_argument, &print_version, 1}, |
6eaaf48b | 617 | {"configuration", no_argument, &print_configuration, 1}, |
c5aa993b | 618 | {"x", required_argument, 0, 'x'}, |
8a5a3c82 | 619 | {"ex", required_argument, 0, 'X'}, |
8320cc4f JK |
620 | {"init-command", required_argument, 0, OPT_IX}, |
621 | {"init-eval-command", required_argument, 0, OPT_IEX}, | |
622 | {"ix", required_argument, 0, OPT_IX}, | |
623 | {"iex", required_argument, 0, OPT_IEX}, | |
3fc11d3e JM |
624 | #ifdef GDBTK |
625 | {"tclcommand", required_argument, 0, 'z'}, | |
626 | {"enable-external-editor", no_argument, 0, 'y'}, | |
627 | {"editor-command", required_argument, 0, 'w'}, | |
628 | #endif | |
8b93c638 JM |
629 | {"ui", required_argument, 0, 'i'}, |
630 | {"interpreter", required_argument, 0, 'i'}, | |
631 | {"i", required_argument, 0, 'i'}, | |
c5aa993b | 632 | {"directory", required_argument, 0, 'd'}, |
c4093a6a | 633 | {"d", required_argument, 0, 'd'}, |
aae1c79a | 634 | {"data-directory", required_argument, 0, 'D'}, |
8d551b02 | 635 | {"D", required_argument, 0, 'D'}, |
49c7e338 | 636 | {"cd", required_argument, 0, OPT_CD}, |
c5aa993b JM |
637 | {"tty", required_argument, 0, 't'}, |
638 | {"baud", required_argument, 0, 'b'}, | |
639 | {"b", required_argument, 0, 'b'}, | |
42fa7c0f AC |
640 | {"nw", no_argument, NULL, OPT_NOWINDOWS}, |
641 | {"nowindows", no_argument, NULL, OPT_NOWINDOWS}, | |
642 | {"w", no_argument, NULL, OPT_WINDOWS}, | |
643 | {"windows", no_argument, NULL, OPT_WINDOWS}, | |
49c7e338 | 644 | {"statistics", no_argument, 0, OPT_STATISTICS}, |
c5aa993b | 645 | {"write", no_argument, &write_files, 1}, |
552c04a7 | 646 | {"args", no_argument, &set_args, 1}, |
39c76ca3 | 647 | {"l", required_argument, 0, 'l'}, |
4b0ad762 | 648 | {"return-child-result", no_argument, &return_child_result, 1}, |
c5aa993b JM |
649 | {0, no_argument, 0, 0} |
650 | }; | |
c906108c SS |
651 | |
652 | while (1) | |
653 | { | |
654 | int option_index; | |
655 | ||
656 | c = getopt_long_only (argc, argv, "", | |
657 | long_options, &option_index); | |
552c04a7 | 658 | if (c == EOF || set_args) |
c906108c SS |
659 | break; |
660 | ||
661 | /* Long option that takes an argument. */ | |
662 | if (c == 0 && long_options[option_index].flag == 0) | |
663 | c = long_options[option_index].val; | |
664 | ||
665 | switch (c) | |
666 | { | |
667 | case 0: | |
668 | /* Long option that just sets a flag. */ | |
669 | break; | |
49c7e338 | 670 | case OPT_SE: |
c906108c SS |
671 | symarg = optarg; |
672 | execarg = optarg; | |
673 | break; | |
49c7e338 | 674 | case OPT_CD: |
c906108c SS |
675 | cdarg = optarg; |
676 | break; | |
49c7e338 | 677 | case OPT_ANNOTATE: |
c906108c SS |
678 | /* FIXME: what if the syntax is wrong (e.g. not digits)? */ |
679 | annotation_level = atoi (optarg); | |
680 | break; | |
49c7e338 | 681 | case OPT_STATISTICS: |
c906108c | 682 | /* Enable the display of both time and space usage. */ |
bd712aed DE |
683 | set_per_command_time (1); |
684 | set_per_command_space (1); | |
c906108c | 685 | break; |
49c7e338 | 686 | case OPT_TUI: |
021e7609 | 687 | /* --tui is equivalent to -i=tui. */ |
b0da54f1 | 688 | #ifdef TUI |
021e7609 | 689 | xfree (interpreter_p); |
cc4349ed | 690 | interpreter_p = xstrdup (INTERP_TUI); |
b0da54f1 BW |
691 | #else |
692 | fprintf_unfiltered (gdb_stderr, | |
693 | _("%s: TUI mode is not supported\n"), | |
694 | argv[0]); | |
695 | exit (1); | |
696 | #endif | |
021e7609 | 697 | break; |
42fa7c0f AC |
698 | case OPT_WINDOWS: |
699 | /* FIXME: cagney/2003-03-01: Not sure if this option is | |
700 | actually useful, and if it is, what it should do. */ | |
cc4349ed AS |
701 | #ifdef GDBTK |
702 | /* --windows is equivalent to -i=insight. */ | |
703 | xfree (interpreter_p); | |
704 | interpreter_p = xstrdup (INTERP_INSIGHT); | |
705 | #endif | |
42fa7c0f AC |
706 | break; |
707 | case OPT_NOWINDOWS: | |
708 | /* -nw is equivalent to -i=console. */ | |
709 | xfree (interpreter_p); | |
710 | interpreter_p = xstrdup (INTERP_CONSOLE); | |
42fa7c0f | 711 | break; |
c906108c SS |
712 | case 'f': |
713 | annotation_level = 1; | |
c906108c SS |
714 | break; |
715 | case 's': | |
716 | symarg = optarg; | |
717 | break; | |
718 | case 'e': | |
719 | execarg = optarg; | |
720 | break; | |
721 | case 'c': | |
722 | corearg = optarg; | |
723 | break; | |
00546b04 | 724 | case 'p': |
a4d9b460 | 725 | pidarg = optarg; |
00546b04 | 726 | break; |
c906108c | 727 | case 'x': |
26743505 JK |
728 | { |
729 | struct cmdarg cmdarg = { CMDARG_FILE, optarg }; | |
730 | ||
731 | VEC_safe_push (cmdarg_s, cmdarg_vec, &cmdarg); | |
732 | } | |
8a5a3c82 AS |
733 | break; |
734 | case 'X': | |
26743505 JK |
735 | { |
736 | struct cmdarg cmdarg = { CMDARG_COMMAND, optarg }; | |
737 | ||
738 | VEC_safe_push (cmdarg_s, cmdarg_vec, &cmdarg); | |
739 | } | |
740 | break; | |
8320cc4f JK |
741 | case OPT_IX: |
742 | { | |
743 | struct cmdarg cmdarg = { CMDARG_INIT_FILE, optarg }; | |
744 | ||
745 | VEC_safe_push (cmdarg_s, cmdarg_vec, &cmdarg); | |
746 | } | |
747 | break; | |
748 | case OPT_IEX: | |
749 | { | |
750 | struct cmdarg cmdarg = { CMDARG_INIT_COMMAND, optarg }; | |
751 | ||
752 | VEC_safe_push (cmdarg_s, cmdarg_vec, &cmdarg); | |
753 | } | |
c906108c | 754 | break; |
1a088d06 | 755 | case 'B': |
7c953934 | 756 | batch_flag = batch_silent = 1; |
1a088d06 AS |
757 | gdb_stdout = ui_file_new(); |
758 | break; | |
aae1c79a | 759 | case 'D': |
8d551b02 DE |
760 | if (optarg[0] == '\0') |
761 | { | |
762 | fprintf_unfiltered (gdb_stderr, | |
763 | _("%s: empty path for" | |
764 | " `--data-directory'\n"), | |
765 | argv[0]); | |
766 | exit (1); | |
767 | } | |
768 | set_gdb_data_directory (optarg); | |
e64e0392 | 769 | gdb_datadir_provided = 1; |
aae1c79a | 770 | break; |
3fc11d3e JM |
771 | #ifdef GDBTK |
772 | case 'z': | |
773 | { | |
371d5dec MS |
774 | extern int gdbtk_test (char *); |
775 | ||
3fc11d3e JM |
776 | if (!gdbtk_test (optarg)) |
777 | { | |
3e43a32a MS |
778 | fprintf_unfiltered (gdb_stderr, |
779 | _("%s: unable to load " | |
780 | "tclcommand file \"%s\""), | |
3fc11d3e JM |
781 | argv[0], optarg); |
782 | exit (1); | |
783 | } | |
784 | break; | |
785 | } | |
786 | case 'y': | |
78f49586 TT |
787 | /* Backwards compatibility only. */ |
788 | break; | |
3fc11d3e JM |
789 | case 'w': |
790 | { | |
3a9b40b6 JK |
791 | /* Set the external editor commands when gdb is farming out files |
792 | to be edited by another program. */ | |
793 | extern char *external_editor_command; | |
794 | ||
3fc11d3e JM |
795 | external_editor_command = xstrdup (optarg); |
796 | break; | |
797 | } | |
798 | #endif /* GDBTK */ | |
fb40c209 | 799 | case 'i': |
4389a95a AC |
800 | xfree (interpreter_p); |
801 | interpreter_p = xstrdup (optarg); | |
fb40c209 | 802 | break; |
c906108c SS |
803 | case 'd': |
804 | dirarg[ndir++] = optarg; | |
805 | if (ndir >= dirsize) | |
806 | { | |
807 | dirsize *= 2; | |
c5aa993b | 808 | dirarg = (char **) xrealloc ((char *) dirarg, |
c906108c SS |
809 | dirsize * sizeof (*dirarg)); |
810 | } | |
811 | break; | |
812 | case 't': | |
813 | ttyarg = optarg; | |
814 | break; | |
815 | case 'q': | |
816 | quiet = 1; | |
817 | break; | |
818 | case 'b': | |
819 | { | |
820 | int i; | |
821 | char *p; | |
822 | ||
823 | i = strtol (optarg, &p, 0); | |
824 | if (i == 0 && p == optarg) | |
825 | ||
826 | /* Don't use *_filtered or warning() (which relies on | |
371d5dec | 827 | current_target) until after initialize_all_files(). */ |
c906108c SS |
828 | |
829 | fprintf_unfiltered | |
830 | (gdb_stderr, | |
defc6f8c | 831 | _("warning: could not set baud rate to `%s'.\n"), optarg); |
c906108c SS |
832 | else |
833 | baud_rate = i; | |
834 | } | |
046ca86a | 835 | break; |
c906108c SS |
836 | case 'l': |
837 | { | |
838 | int i; | |
839 | char *p; | |
840 | ||
841 | i = strtol (optarg, &p, 0); | |
842 | if (i == 0 && p == optarg) | |
843 | ||
844 | /* Don't use *_filtered or warning() (which relies on | |
371d5dec | 845 | current_target) until after initialize_all_files(). */ |
c906108c | 846 | |
3e43a32a MS |
847 | fprintf_unfiltered (gdb_stderr, |
848 | _("warning: could not set " | |
849 | "timeout limit to `%s'.\n"), optarg); | |
c906108c SS |
850 | else |
851 | remote_timeout = i; | |
852 | } | |
853 | break; | |
854 | ||
c906108c SS |
855 | case '?': |
856 | fprintf_unfiltered (gdb_stderr, | |
3e43a32a MS |
857 | _("Use `%s --help' for a " |
858 | "complete list of options.\n"), | |
c5aa993b | 859 | argv[0]); |
c906108c SS |
860 | exit (1); |
861 | } | |
862 | } | |
863 | ||
7c953934 | 864 | if (batch_flag) |
c906108c SS |
865 | quiet = 1; |
866 | } | |
867 | ||
992c7d70 GB |
868 | /* Try to set up an alternate signal stack for SIGSEGV handlers. */ |
869 | setup_alternate_signal_stack (); | |
870 | ||
0f71a2f6 | 871 | /* Initialize all files. Give the interpreter a chance to take |
ba5e7e8d | 872 | control of the console via the deprecated_init_ui_hook (). */ |
b5981e5a | 873 | gdb_init (gdb_program_name); |
c906108c | 874 | |
371d5dec MS |
875 | /* Now that gdb_init has created the initial inferior, we're in |
876 | position to set args for that inferior. */ | |
3f81c18a VP |
877 | if (set_args) |
878 | { | |
879 | /* The remaining options are the command-line options for the | |
880 | inferior. The first one is the sym/exec file, and the rest | |
881 | are arguments. */ | |
882 | if (optind >= argc) | |
883 | { | |
884 | fprintf_unfiltered (gdb_stderr, | |
3e43a32a MS |
885 | _("%s: `--args' specified but " |
886 | "no program specified\n"), | |
3f81c18a VP |
887 | argv[0]); |
888 | exit (1); | |
889 | } | |
890 | symarg = argv[optind]; | |
891 | execarg = argv[optind]; | |
892 | ++optind; | |
893 | set_inferior_args_vector (argc - optind, &argv[optind]); | |
894 | } | |
895 | else | |
896 | { | |
897 | /* OK, that's all the options. */ | |
898 | ||
899 | /* The first argument, if specified, is the name of the | |
900 | executable. */ | |
901 | if (optind < argc) | |
902 | { | |
903 | symarg = argv[optind]; | |
904 | execarg = argv[optind]; | |
905 | optind++; | |
906 | } | |
907 | ||
908 | /* If the user hasn't already specified a PID or the name of a | |
909 | core file, then a second optional argument is allowed. If | |
910 | present, this argument should be interpreted as either a | |
911 | PID or a core file, whichever works. */ | |
912 | if (pidarg == NULL && corearg == NULL && optind < argc) | |
913 | { | |
914 | pid_or_core_arg = argv[optind]; | |
915 | optind++; | |
916 | } | |
917 | ||
918 | /* Any argument left on the command line is unexpected and | |
919 | will be ignored. Inform the user. */ | |
920 | if (optind < argc) | |
3e43a32a MS |
921 | fprintf_unfiltered (gdb_stderr, |
922 | _("Excess command line " | |
923 | "arguments ignored. (%s%s)\n"), | |
3f81c18a VP |
924 | argv[optind], |
925 | (optind == argc - 1) ? "" : " ..."); | |
926 | } | |
927 | ||
025bb325 | 928 | /* Lookup gdbinit files. Note that the gdbinit file name may be |
371d5dec MS |
929 | overriden during file initialization, so get_init_files should be |
930 | called after gdb_init. */ | |
57a46001 JG |
931 | get_init_files (&system_gdbinit, &home_gdbinit, &local_gdbinit); |
932 | ||
c906108c | 933 | /* Do these (and anything which might call wrap_here or *_filtered) |
4389a95a AC |
934 | after initialize_all_files() but before the interpreter has been |
935 | installed. Otherwize the help/version messages will be eaten by | |
936 | the interpreter's output handler. */ | |
937 | ||
c906108c SS |
938 | if (print_version) |
939 | { | |
940 | print_gdb_version (gdb_stdout); | |
941 | wrap_here (""); | |
942 | printf_filtered ("\n"); | |
943 | exit (0); | |
944 | } | |
945 | ||
946 | if (print_help) | |
947 | { | |
948 | print_gdb_help (gdb_stdout); | |
949 | fputs_unfiltered ("\n", gdb_stdout); | |
950 | exit (0); | |
951 | } | |
952 | ||
6eaaf48b EZ |
953 | if (print_configuration) |
954 | { | |
955 | print_gdb_configuration (gdb_stdout); | |
956 | wrap_here (""); | |
957 | printf_filtered ("\n"); | |
958 | exit (0); | |
959 | } | |
960 | ||
4389a95a AC |
961 | /* FIXME: cagney/2003-02-03: The big hack (part 1 of 2) that lets |
962 | GDB retain the old MI1 interpreter startup behavior. Output the | |
963 | copyright message before the interpreter is installed. That way | |
964 | it isn't encapsulated in MI output. */ | |
965 | if (!quiet && strcmp (interpreter_p, INTERP_MI1) == 0) | |
966 | { | |
371d5dec MS |
967 | /* Print all the junk at the top, with trailing "..." if we are |
968 | about to read a symbol file (possibly slowly). */ | |
4389a95a AC |
969 | print_gdb_version (gdb_stdout); |
970 | if (symarg) | |
971 | printf_filtered (".."); | |
972 | wrap_here (""); | |
e896d70e | 973 | printf_filtered ("\n"); |
371d5dec MS |
974 | gdb_flush (gdb_stdout); /* Force to screen during slow |
975 | operations. */ | |
4389a95a AC |
976 | } |
977 | ||
4389a95a | 978 | /* Install the default UI. All the interpreters should have had a |
371d5dec | 979 | look at things by now. Initialize the default interpreter. */ |
4389a95a AC |
980 | |
981 | { | |
982 | /* Find it. */ | |
983 | struct interp *interp = interp_lookup (interpreter_p); | |
b8d56208 | 984 | |
4389a95a | 985 | if (interp == NULL) |
8a3fe4f8 | 986 | error (_("Interpreter `%s' unrecognized"), interpreter_p); |
4389a95a | 987 | /* Install it. */ |
683f2885 | 988 | if (!interp_set (interp, 1)) |
4389a95a AC |
989 | { |
990 | fprintf_unfiltered (gdb_stderr, | |
991 | "Interpreter `%s' failed to initialize.\n", | |
992 | interpreter_p); | |
993 | exit (1); | |
994 | } | |
995 | } | |
996 | ||
997 | /* FIXME: cagney/2003-02-03: The big hack (part 2 of 2) that lets | |
998 | GDB retain the old MI1 interpreter startup behavior. Output the | |
999 | copyright message after the interpreter is installed when it is | |
1000 | any sane interpreter. */ | |
1001 | if (!quiet && !current_interp_named_p (INTERP_MI1)) | |
c906108c | 1002 | { |
371d5dec MS |
1003 | /* Print all the junk at the top, with trailing "..." if we are |
1004 | about to read a symbol file (possibly slowly). */ | |
c906108c SS |
1005 | print_gdb_version (gdb_stdout); |
1006 | if (symarg) | |
1007 | printf_filtered (".."); | |
c5aa993b | 1008 | wrap_here (""); |
e896d70e | 1009 | printf_filtered ("\n"); |
371d5dec MS |
1010 | gdb_flush (gdb_stdout); /* Force to screen during slow |
1011 | operations. */ | |
c906108c SS |
1012 | } |
1013 | ||
e896d70e | 1014 | /* Set off error and warning messages with a blank line. */ |
defc6f8c | 1015 | warning_pre_print = _("\nwarning: "); |
c906108c | 1016 | |
16e7150e JG |
1017 | /* Read and execute the system-wide gdbinit file, if it exists. |
1018 | This is done *before* all the command line arguments are | |
1019 | processed; it sets global parameters, which are independent of | |
1020 | what file you are debugging or what directory you are in. */ | |
1021 | if (system_gdbinit && !inhibit_gdbinit) | |
50dd9793 PA |
1022 | catch_command_errors_const (source_script, system_gdbinit, |
1023 | 0, RETURN_MASK_ALL); | |
16e7150e | 1024 | |
c906108c SS |
1025 | /* Read and execute $HOME/.gdbinit file, if it exists. This is done |
1026 | *before* all the command line arguments are processed; it sets | |
1027 | global parameters, which are independent of what file you are | |
1028 | debugging or what directory you are in. */ | |
c906108c | 1029 | |
07540c15 | 1030 | if (home_gdbinit && !inhibit_gdbinit && !inhibit_home_gdbinit) |
50dd9793 PA |
1031 | catch_command_errors_const (source_script, |
1032 | home_gdbinit, 0, RETURN_MASK_ALL); | |
c906108c | 1033 | |
2d7b58e8 JK |
1034 | /* Process '-ix' and '-iex' options early. */ |
1035 | for (i = 0; VEC_iterate (cmdarg_s, cmdarg_vec, i, cmdarg_p); i++) | |
1036 | switch (cmdarg_p->type) | |
1037 | { | |
1038 | case CMDARG_INIT_FILE: | |
50dd9793 PA |
1039 | catch_command_errors_const (source_script, cmdarg_p->string, |
1040 | !batch_flag, RETURN_MASK_ALL); | |
2d7b58e8 JK |
1041 | break; |
1042 | case CMDARG_INIT_COMMAND: | |
1043 | catch_command_errors (execute_command, cmdarg_p->string, | |
1044 | !batch_flag, RETURN_MASK_ALL); | |
1045 | break; | |
1046 | } | |
1047 | ||
c906108c SS |
1048 | /* Now perform all the actions indicated by the arguments. */ |
1049 | if (cdarg != NULL) | |
1050 | { | |
11cf8741 | 1051 | catch_command_errors (cd_command, cdarg, 0, RETURN_MASK_ALL); |
c906108c | 1052 | } |
c906108c SS |
1053 | |
1054 | for (i = 0; i < ndir; i++) | |
13d35ae5 | 1055 | catch_command_errors (directory_switch, dirarg[i], 0, RETURN_MASK_ALL); |
b8c9b27d | 1056 | xfree (dirarg); |
c906108c | 1057 | |
88a1906b | 1058 | /* Skip auto-loading section-specified scripts until we've sourced |
371d5dec MS |
1059 | local_gdbinit (which is often used to augment the source search |
1060 | path). */ | |
bf88dd68 JK |
1061 | save_auto_load = global_auto_load; |
1062 | global_auto_load = 0; | |
88a1906b | 1063 | |
c906108c SS |
1064 | if (execarg != NULL |
1065 | && symarg != NULL | |
5cb316ef | 1066 | && strcmp (execarg, symarg) == 0) |
c906108c | 1067 | { |
11cf8741 JM |
1068 | /* The exec file and the symbol-file are the same. If we can't |
1069 | open it, better only print one error message. | |
371d5dec | 1070 | catch_command_errors returns non-zero on success! */ |
5f08566b TT |
1071 | if (catch_command_errors_const (exec_file_attach, execarg, |
1072 | !batch_flag, RETURN_MASK_ALL)) | |
69150c3d JK |
1073 | catch_command_errors_const (symbol_file_add_main, symarg, |
1074 | !batch_flag, RETURN_MASK_ALL); | |
c906108c SS |
1075 | } |
1076 | else | |
1077 | { | |
1078 | if (execarg != NULL) | |
5f08566b TT |
1079 | catch_command_errors_const (exec_file_attach, execarg, |
1080 | !batch_flag, RETURN_MASK_ALL); | |
c906108c | 1081 | if (symarg != NULL) |
69150c3d JK |
1082 | catch_command_errors_const (symbol_file_add_main, symarg, |
1083 | !batch_flag, RETURN_MASK_ALL); | |
c906108c | 1084 | } |
c906108c | 1085 | |
a4d9b460 | 1086 | if (corearg && pidarg) |
3e43a32a MS |
1087 | error (_("Can't attach to process and specify " |
1088 | "a core file at the same time.")); | |
a4d9b460 | 1089 | |
c906108c | 1090 | if (corearg != NULL) |
a4d9b460 | 1091 | catch_command_errors (core_file_command, corearg, |
7c953934 | 1092 | !batch_flag, RETURN_MASK_ALL); |
a4d9b460 PA |
1093 | else if (pidarg != NULL) |
1094 | catch_command_errors (attach_command, pidarg, | |
7c953934 | 1095 | !batch_flag, RETURN_MASK_ALL); |
a4d9b460 | 1096 | else if (pid_or_core_arg) |
c906108c | 1097 | { |
a4d9b460 PA |
1098 | /* The user specified 'gdb program pid' or gdb program core'. |
1099 | If pid_or_core_arg's first character is a digit, try attach | |
1100 | first and then corefile. Otherwise try just corefile. */ | |
00546b04 | 1101 | |
a4d9b460 | 1102 | if (isdigit (pid_or_core_arg[0])) |
11cf8741 | 1103 | { |
a4d9b460 | 1104 | if (catch_command_errors (attach_command, pid_or_core_arg, |
7c953934 | 1105 | !batch_flag, RETURN_MASK_ALL) == 0) |
a4d9b460 | 1106 | catch_command_errors (core_file_command, pid_or_core_arg, |
7c953934 | 1107 | !batch_flag, RETURN_MASK_ALL); |
11cf8741 | 1108 | } |
a4d9b460 PA |
1109 | else /* Can't be a pid, better be a corefile. */ |
1110 | catch_command_errors (core_file_command, pid_or_core_arg, | |
7c953934 | 1111 | !batch_flag, RETURN_MASK_ALL); |
c906108c | 1112 | } |
c906108c SS |
1113 | |
1114 | if (ttyarg != NULL) | |
3f81c18a | 1115 | set_inferior_io_terminal (ttyarg); |
c906108c | 1116 | |
371d5dec | 1117 | /* Error messages should no longer be distinguished with extra output. */ |
defc6f8c | 1118 | warning_pre_print = _("warning: "); |
c906108c SS |
1119 | |
1120 | /* Read the .gdbinit file in the current directory, *if* it isn't | |
1121 | the same as the $HOME/.gdbinit file (it should exist, also). */ | |
bf88dd68 JK |
1122 | if (local_gdbinit) |
1123 | { | |
1124 | auto_load_local_gdbinit_pathname = gdb_realpath (local_gdbinit); | |
1125 | ||
bccbefd2 | 1126 | if (!inhibit_gdbinit && auto_load_local_gdbinit |
4dc84fd1 JK |
1127 | && file_is_auto_load_safe (local_gdbinit, |
1128 | _("auto-load: Loading .gdbinit " | |
1129 | "file \"%s\".\n"), | |
1130 | local_gdbinit)) | |
bf88dd68 JK |
1131 | { |
1132 | auto_load_local_gdbinit_loaded = 1; | |
1133 | ||
50dd9793 PA |
1134 | catch_command_errors_const (source_script, local_gdbinit, 0, |
1135 | RETURN_MASK_ALL); | |
bf88dd68 JK |
1136 | } |
1137 | } | |
c906108c | 1138 | |
88a1906b DE |
1139 | /* Now that all .gdbinit's have been read and all -d options have been |
1140 | processed, we can read any scripts mentioned in SYMARG. | |
1141 | We wait until now because it is common to add to the source search | |
1142 | path in local_gdbinit. */ | |
bf88dd68 | 1143 | global_auto_load = save_auto_load; |
7f6130ff JK |
1144 | ALL_OBJFILES (objfile) |
1145 | load_auto_scripts_for_objfile (objfile); | |
88a1906b | 1146 | |
8320cc4f | 1147 | /* Process '-x' and '-ex' options. */ |
26743505 JK |
1148 | for (i = 0; VEC_iterate (cmdarg_s, cmdarg_vec, i, cmdarg_p); i++) |
1149 | switch (cmdarg_p->type) | |
c906108c | 1150 | { |
26743505 | 1151 | case CMDARG_FILE: |
50dd9793 PA |
1152 | catch_command_errors_const (source_script, cmdarg_p->string, |
1153 | !batch_flag, RETURN_MASK_ALL); | |
26743505 JK |
1154 | break; |
1155 | case CMDARG_COMMAND: | |
1156 | catch_command_errors (execute_command, cmdarg_p->string, | |
7c953934 | 1157 | !batch_flag, RETURN_MASK_ALL); |
26743505 | 1158 | break; |
c906108c | 1159 | } |
c906108c | 1160 | |
371d5dec MS |
1161 | /* Read in the old history after all the command files have been |
1162 | read. */ | |
c5aa993b | 1163 | init_history (); |
c906108c | 1164 | |
7c953934 | 1165 | if (batch_flag) |
c906108c SS |
1166 | { |
1167 | /* We have hit the end of the batch file. */ | |
4b0ad762 | 1168 | quit_force (NULL, 0); |
c906108c SS |
1169 | } |
1170 | ||
c906108c | 1171 | /* Show time and/or space usage. */ |
0f3bb72e | 1172 | do_cleanups (pre_stat_chain); |
c906108c | 1173 | |
11cf8741 JM |
1174 | /* NOTE: cagney/1999-11-07: There is probably no reason for not |
1175 | moving this loop and the code found in captured_command_loop() | |
1176 | into the command_loop() proper. The main thing holding back that | |
371d5dec | 1177 | change - SET_TOP_LEVEL() - has been eliminated. */ |
11cf8741 JM |
1178 | while (1) |
1179 | { | |
1180 | catch_errors (captured_command_loop, 0, "", RETURN_MASK_ALL); | |
1181 | } | |
11cf8741 JM |
1182 | /* No exit -- exit is through quit_command. */ |
1183 | } | |
c906108c | 1184 | |
11cf8741 | 1185 | int |
f15ab4a7 | 1186 | gdb_main (struct captured_main_args *args) |
11cf8741 | 1187 | { |
f15ab4a7 | 1188 | catch_errors (captured_main, args, "", RETURN_MASK_ALL); |
864dbc90 AC |
1189 | /* The only way to end up here is by an error (normal exit is |
1190 | handled by quit_force()), hence always return an error status. */ | |
1191 | return 1; | |
c906108c SS |
1192 | } |
1193 | ||
11cf8741 | 1194 | |
c906108c SS |
1195 | /* Don't use *_filtered for printing help. We don't want to prompt |
1196 | for continue no matter how small the screen or how much we're going | |
1197 | to print. */ | |
1198 | ||
1199 | static void | |
d9fcf2fb | 1200 | print_gdb_help (struct ui_file *stream) |
c906108c | 1201 | { |
50dd9793 PA |
1202 | const char *system_gdbinit; |
1203 | const char *home_gdbinit; | |
1204 | const char *local_gdbinit; | |
16e7150e JG |
1205 | |
1206 | get_init_files (&system_gdbinit, &home_gdbinit, &local_gdbinit); | |
1207 | ||
b187bec1 EZ |
1208 | /* Note: The options in the list below are only approximately sorted |
1209 | in the alphabetical order, so as to group closely related options | |
1210 | together. */ | |
defc6f8c | 1211 | fputs_unfiltered (_("\ |
c906108c | 1212 | This is the GNU debugger. Usage:\n\n\ |
552c04a7 TT |
1213 | gdb [options] [executable-file [core-file or process-id]]\n\ |
1214 | gdb [options] --args executable-file [inferior-arguments ...]\n\n\ | |
defc6f8c TT |
1215 | "), stream); |
1216 | fputs_unfiltered (_("\ | |
b187bec1 | 1217 | Selection of debuggee and its files:\n\n\ |
552c04a7 | 1218 | --args Arguments after executable-file are passed to inferior\n\ |
b187bec1 EZ |
1219 | --core=COREFILE Analyze the core dump COREFILE.\n\ |
1220 | --exec=EXECFILE Use EXECFILE as the executable.\n\ | |
1221 | --pid=PID Attach to running process PID.\n\ | |
1222 | --directory=DIR Search for source files in DIR.\n\ | |
1223 | --se=FILE Use FILE as symbol file and executable file.\n\ | |
1224 | --symbols=SYMFILE Read symbols from SYMFILE.\n\ | |
1225 | --readnow Fully read symbol files on first access.\n\ | |
1226 | --write Set writing into executable and core files.\n\n\ | |
defc6f8c TT |
1227 | "), stream); |
1228 | fputs_unfiltered (_("\ | |
b187bec1 | 1229 | Initial commands and command files:\n\n\ |
8a5a3c82 | 1230 | --command=FILE, -x Execute GDB commands from FILE.\n\ |
b187bec1 EZ |
1231 | --init-command=FILE, -ix\n\ |
1232 | Like -x but execute commands before loading inferior.\n\ | |
8a5a3c82 AS |
1233 | --eval-command=COMMAND, -ex\n\ |
1234 | Execute a single GDB command.\n\ | |
1235 | May be used multiple times and in conjunction\n\ | |
1236 | with --command.\n\ | |
b187bec1 EZ |
1237 | --init-eval-command=COMMAND, -iex\n\ |
1238 | Like -ex but before loading inferior.\n\ | |
1239 | --nh Do not read ~/.gdbinit.\n\ | |
1240 | --nx Do not read any .gdbinit files in any directory.\n\n\ | |
defc6f8c TT |
1241 | "), stream); |
1242 | fputs_unfiltered (_("\ | |
b187bec1 | 1243 | Output and user interface control:\n\n\ |
c906108c | 1244 | --fullname Output information used by emacs-GDB interface.\n\ |
8b93c638 JM |
1245 | --interpreter=INTERP\n\ |
1246 | Select a specific interpreter / user interface\n\ | |
c906108c | 1247 | --tty=TTY Use TTY for input/output by the program being debugged.\n\ |
b187bec1 EZ |
1248 | -w Use the GUI interface.\n\ |
1249 | --nw Do not use the GUI interface.\n\ | |
defc6f8c | 1250 | "), stream); |
c906108c | 1251 | #if defined(TUI) |
defc6f8c | 1252 | fputs_unfiltered (_("\ |
c906108c | 1253 | --tui Use a terminal user interface.\n\ |
defc6f8c | 1254 | "), stream); |
c906108c | 1255 | #endif |
481860b3 | 1256 | fputs_unfiltered (_("\ |
b187bec1 | 1257 | --dbx DBX compatibility mode.\n\ |
c906108c | 1258 | --xdb XDB compatibility mode.\n\ |
adcc0a31 | 1259 | -q, --quiet, --silent\n\ |
1260 | Do not print version number on startup.\n\n\ | |
b187bec1 EZ |
1261 | "), stream); |
1262 | fputs_unfiltered (_("\ | |
1263 | Operating modes:\n\n\ | |
1264 | --batch Exit after processing options.\n\ | |
1265 | --batch-silent Like --batch, but suppress all gdb stdout output.\n\ | |
1266 | --return-child-result\n\ | |
1267 | GDB exit code will be the child's exit code.\n\ | |
1268 | --configuration Print details about GDB configuration and then exit.\n\ | |
1269 | --help Print this message and then exit.\n\ | |
1270 | --version Print version information and then exit.\n\n\ | |
1271 | Remote debugging options:\n\n\ | |
1272 | -b BAUDRATE Set serial port baud rate used for remote debugging.\n\ | |
1273 | -l TIMEOUT Set timeout in seconds for remote debugging.\n\n\ | |
1274 | Other options:\n\n\ | |
1275 | --cd=DIR Change current directory to DIR.\n\ | |
8d551b02 DE |
1276 | --data-directory=DIR, -D\n\ |
1277 | Set GDB's data-directory to DIR.\n\ | |
defc6f8c | 1278 | "), stream); |
defc6f8c | 1279 | fputs_unfiltered (_("\n\ |
16e7150e JG |
1280 | At startup, GDB reads the following init files and executes their commands:\n\ |
1281 | "), stream); | |
1282 | if (system_gdbinit) | |
1283 | fprintf_unfiltered (stream, _("\ | |
1284 | * system-wide init file: %s\n\ | |
1285 | "), system_gdbinit); | |
1286 | if (home_gdbinit) | |
1287 | fprintf_unfiltered (stream, _("\ | |
1288 | * user-specific init file: %s\n\ | |
1289 | "), home_gdbinit); | |
1290 | if (local_gdbinit) | |
1291 | fprintf_unfiltered (stream, _("\ | |
bf88dd68 | 1292 | * local init file (see also 'set auto-load local-gdbinit'): ./%s\n\ |
16e7150e JG |
1293 | "), local_gdbinit); |
1294 | fputs_unfiltered (_("\n\ | |
c906108c SS |
1295 | For more information, type \"help\" from within GDB, or consult the\n\ |
1296 | GDB manual (available as on-line info or a printed manual).\n\ | |
defc6f8c | 1297 | "), stream); |
c16158bc JM |
1298 | if (REPORT_BUGS_TO[0] && stream == gdb_stdout) |
1299 | fprintf_unfiltered (stream, _("\ | |
1300 | Report bugs to \"%s\".\n\ | |
1301 | "), REPORT_BUGS_TO); | |
c906108c | 1302 | } |