Commit | Line | Data |
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c906108c | 1 | /* Top level stuff for GDB, the GNU debugger. |
4389a95a | 2 | |
28e7fd62 | 3 | Copyright (C) 1986-2013 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" |
88a1906b | 42 | #include "python/python.h" |
7f6130ff | 43 | #include "objfiles.h" |
e2207b9a | 44 | #include "auto-load.h" |
bd712aed | 45 | #include "maint.h" |
29b0e8a2 | 46 | |
b5981e5a | 47 | #include "filenames.h" |
614c279d | 48 | #include "filestuff.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 | |
b14b1491 TT |
110 | /* Relocate a file or directory. PROGNAME is the name by which gdb |
111 | was invoked (i.e., argv[0]). INITIAL is the default value for the | |
112 | file or directory. FLAG is true if the value is relocatable, false | |
113 | otherwise. Returns a newly allocated string; this may return NULL | |
114 | under the same conditions as make_relative_prefix. */ | |
478aac75 | 115 | |
b14b1491 TT |
116 | static char * |
117 | relocate_path (const char *progname, const char *initial, int flag) | |
118 | { | |
119 | if (flag) | |
120 | return make_relative_prefix (progname, BINDIR, initial); | |
121 | return xstrdup (initial); | |
122 | } | |
123 | ||
124 | /* Like relocate_path, but specifically checks for a directory. | |
125 | INITIAL is relocated according to the rules of relocate_path. If | |
126 | the result is a directory, it is used; otherwise, INITIAL is used. | |
127 | The chosen directory is then canonicalized using lrealpath. This | |
128 | function always returns a newly-allocated string. */ | |
478aac75 DE |
129 | |
130 | char * | |
131 | relocate_gdb_directory (const char *initial, int flag) | |
b14b1491 TT |
132 | { |
133 | char *dir; | |
134 | ||
478aac75 | 135 | dir = relocate_path (gdb_program_name, initial, flag); |
b14b1491 TT |
136 | if (dir) |
137 | { | |
138 | struct stat s; | |
139 | ||
78a8b30e | 140 | if (*dir == '\0' || stat (dir, &s) != 0 || !S_ISDIR (s.st_mode)) |
b14b1491 TT |
141 | { |
142 | xfree (dir); | |
143 | dir = NULL; | |
144 | } | |
145 | } | |
146 | if (!dir) | |
147 | dir = xstrdup (initial); | |
148 | ||
149 | /* Canonicalize the directory. */ | |
150 | if (*dir) | |
151 | { | |
152 | char *canon_sysroot = lrealpath (dir); | |
b8d56208 | 153 | |
b14b1491 TT |
154 | if (canon_sysroot) |
155 | { | |
156 | xfree (dir); | |
157 | dir = canon_sysroot; | |
158 | } | |
159 | } | |
160 | ||
161 | return dir; | |
162 | } | |
163 | ||
371d5dec MS |
164 | /* Compute the locations of init files that GDB should source and |
165 | return them in SYSTEM_GDBINIT, HOME_GDBINIT, LOCAL_GDBINIT. If | |
166 | there is no system gdbinit (resp. home gdbinit and local gdbinit) | |
167 | to be loaded, then SYSTEM_GDBINIT (resp. HOME_GDBINIT and | |
168 | LOCAL_GDBINIT) is set to NULL. */ | |
16e7150e | 169 | static void |
50dd9793 PA |
170 | get_init_files (const char **system_gdbinit, |
171 | const char **home_gdbinit, | |
172 | const char **local_gdbinit) | |
16e7150e | 173 | { |
50dd9793 | 174 | static const char *sysgdbinit = NULL; |
16e7150e | 175 | static char *homeinit = NULL; |
50dd9793 | 176 | static const char *localinit = NULL; |
16e7150e JG |
177 | static int initialized = 0; |
178 | ||
179 | if (!initialized) | |
180 | { | |
181 | struct stat homebuf, cwdbuf, s; | |
e64e0392 | 182 | char *homedir; |
16e7150e | 183 | |
b14b1491 | 184 | if (SYSTEM_GDBINIT[0]) |
16e7150e | 185 | { |
e64e0392 DE |
186 | int datadir_len = strlen (GDB_DATADIR); |
187 | int sys_gdbinit_len = strlen (SYSTEM_GDBINIT); | |
188 | char *relocated_sysgdbinit; | |
189 | ||
190 | /* If SYSTEM_GDBINIT lives in data-directory, and data-directory | |
191 | has been provided, search for SYSTEM_GDBINIT there. */ | |
192 | if (gdb_datadir_provided | |
193 | && datadir_len < sys_gdbinit_len | |
b5981e5a EZ |
194 | && filename_ncmp (SYSTEM_GDBINIT, GDB_DATADIR, datadir_len) == 0 |
195 | && IS_DIR_SEPARATOR (SYSTEM_GDBINIT[datadir_len])) | |
e64e0392 DE |
196 | { |
197 | /* Append the part of SYSTEM_GDBINIT that follows GDB_DATADIR | |
198 | to gdb_datadir. */ | |
199 | char *tmp_sys_gdbinit = xstrdup (SYSTEM_GDBINIT + datadir_len); | |
200 | char *p; | |
201 | ||
b5981e5a | 202 | for (p = tmp_sys_gdbinit; IS_DIR_SEPARATOR (*p); ++p) |
e64e0392 DE |
203 | continue; |
204 | relocated_sysgdbinit = concat (gdb_datadir, SLASH_STRING, p, | |
205 | NULL); | |
206 | xfree (tmp_sys_gdbinit); | |
207 | } | |
208 | else | |
209 | { | |
210 | relocated_sysgdbinit = relocate_path (gdb_program_name, | |
211 | SYSTEM_GDBINIT, | |
212 | SYSTEM_GDBINIT_RELOCATABLE); | |
213 | } | |
b14b1491 | 214 | if (relocated_sysgdbinit && stat (relocated_sysgdbinit, &s) == 0) |
16e7150e JG |
215 | sysgdbinit = relocated_sysgdbinit; |
216 | else | |
217 | xfree (relocated_sysgdbinit); | |
218 | } | |
16e7150e JG |
219 | |
220 | homedir = getenv ("HOME"); | |
221 | ||
222 | /* If the .gdbinit file in the current directory is the same as | |
223 | the $HOME/.gdbinit file, it should not be sourced. homebuf | |
025bb325 | 224 | and cwdbuf are used in that purpose. Make sure that the stats |
16e7150e JG |
225 | are zero in case one of them fails (this guarantees that they |
226 | won't match if either exists). */ | |
227 | ||
228 | memset (&homebuf, 0, sizeof (struct stat)); | |
229 | memset (&cwdbuf, 0, sizeof (struct stat)); | |
230 | ||
231 | if (homedir) | |
232 | { | |
233 | homeinit = xstrprintf ("%s/%s", homedir, gdbinit); | |
234 | if (stat (homeinit, &homebuf) != 0) | |
235 | { | |
236 | xfree (homeinit); | |
237 | homeinit = NULL; | |
238 | } | |
239 | } | |
240 | ||
241 | if (stat (gdbinit, &cwdbuf) == 0) | |
242 | { | |
243 | if (!homeinit | |
244 | || memcmp ((char *) &homebuf, (char *) &cwdbuf, | |
245 | sizeof (struct stat))) | |
246 | localinit = gdbinit; | |
247 | } | |
248 | ||
249 | initialized = 1; | |
250 | } | |
251 | ||
252 | *system_gdbinit = sysgdbinit; | |
253 | *home_gdbinit = homeinit; | |
254 | *local_gdbinit = localinit; | |
255 | } | |
256 | ||
11cf8741 | 257 | /* Call command_loop. If it happens to return, pass that through as a |
371d5dec | 258 | non-zero return status. */ |
11cf8741 JM |
259 | |
260 | static int | |
261 | captured_command_loop (void *data) | |
c906108c | 262 | { |
bb5291d0 | 263 | /* Top-level execution commands can be run in the background from |
b4a14fd0 PA |
264 | here on. */ |
265 | interpreter_async = 1; | |
266 | ||
4389a95a | 267 | current_interp_command_loop (); |
11cf8741 JM |
268 | /* FIXME: cagney/1999-11-05: A correct command_loop() implementaton |
269 | would clean things up (restoring the cleanup chain) to the state | |
270 | they were just prior to the call. Technically, this means that | |
e26cc349 | 271 | the do_cleanups() below is redundant. Unfortunately, many FUNCs |
11cf8741 JM |
272 | are not that well behaved. do_cleanups should either be replaced |
273 | with a do_cleanups call (to cover the problem) or an assertion | |
371d5dec | 274 | check to detect bad FUNCs code. */ |
6328eb38 | 275 | do_cleanups (all_cleanups ()); |
11cf8741 | 276 | /* If the command_loop returned, normally (rather than threw an |
025bb325 | 277 | error) we try to quit. If the quit is aborted, catch_errors() |
11cf8741 | 278 | which called this catch the signal and restart the command |
371d5dec | 279 | loop. */ |
11cf8741 JM |
280 | quit_command (NULL, instream == stdin); |
281 | return 1; | |
282 | } | |
283 | ||
26743505 JK |
284 | /* Arguments of --command option and its counterpart. */ |
285 | typedef struct cmdarg { | |
286 | /* Type of this option. */ | |
287 | enum { | |
288 | /* Option type -x. */ | |
289 | CMDARG_FILE, | |
290 | ||
291 | /* Option type -ex. */ | |
8320cc4f JK |
292 | CMDARG_COMMAND, |
293 | ||
294 | /* Option type -ix. */ | |
295 | CMDARG_INIT_FILE, | |
296 | ||
297 | /* Option type -iex. */ | |
298 | CMDARG_INIT_COMMAND | |
26743505 JK |
299 | } type; |
300 | ||
301 | /* Value of this option - filename or the GDB command itself. String memory | |
302 | is not owned by this structure despite it is 'const'. */ | |
303 | char *string; | |
304 | } cmdarg_s; | |
305 | ||
306 | /* Define type VEC (cmdarg_s). */ | |
307 | DEF_VEC_O (cmdarg_s); | |
308 | ||
11cf8741 JM |
309 | static int |
310 | captured_main (void *data) | |
311 | { | |
312 | struct captured_main_args *context = data; | |
313 | int argc = context->argc; | |
314 | char **argv = context->argv; | |
c906108c | 315 | static int quiet = 0; |
552c04a7 | 316 | static int set_args = 0; |
07540c15 | 317 | static int inhibit_home_gdbinit = 0; |
c906108c SS |
318 | |
319 | /* Pointers to various arguments from command line. */ | |
320 | char *symarg = NULL; | |
321 | char *execarg = NULL; | |
a4d9b460 | 322 | char *pidarg = NULL; |
c906108c | 323 | char *corearg = NULL; |
a4d9b460 | 324 | char *pid_or_core_arg = NULL; |
c906108c SS |
325 | char *cdarg = NULL; |
326 | char *ttyarg = NULL; | |
327 | ||
371d5dec MS |
328 | /* These are static so that we can take their address in an |
329 | initializer. */ | |
c906108c SS |
330 | static int print_help; |
331 | static int print_version; | |
6eaaf48b | 332 | static int print_configuration; |
c906108c SS |
333 | |
334 | /* Pointers to all arguments of --command option. */ | |
26743505 JK |
335 | VEC (cmdarg_s) *cmdarg_vec = NULL; |
336 | struct cmdarg *cmdarg_p; | |
c906108c SS |
337 | |
338 | /* Indices of all arguments of --directory option. */ | |
339 | char **dirarg; | |
340 | /* Allocated size. */ | |
341 | int dirsize; | |
342 | /* Number of elements used. */ | |
343 | int ndir; | |
c5aa993b | 344 | |
16e7150e | 345 | /* gdb init files. */ |
50dd9793 PA |
346 | const char *system_gdbinit; |
347 | const char *home_gdbinit; | |
348 | const char *local_gdbinit; | |
c906108c | 349 | |
52f0bd74 | 350 | int i; |
88a1906b | 351 | int save_auto_load; |
7f6130ff | 352 | struct objfile *objfile; |
c906108c | 353 | |
e565b837 DE |
354 | struct cleanup *pre_stat_chain; |
355 | ||
356 | #ifdef HAVE_SBRK | |
357 | /* Set this before calling make_command_stats_cleanup. */ | |
358 | lim_at_start = (char *) sbrk (0); | |
359 | #endif | |
360 | ||
361 | pre_stat_chain = make_command_stats_cleanup (0); | |
c906108c | 362 | |
0fbb3da7 TT |
363 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) |
364 | setlocale (LC_MESSAGES, ""); | |
365 | #endif | |
366 | #if defined (HAVE_SETLOCALE) | |
367 | setlocale (LC_CTYPE, ""); | |
368 | #endif | |
369 | bindtextdomain (PACKAGE, LOCALEDIR); | |
370 | textdomain (PACKAGE); | |
371 | ||
5484b13a | 372 | bfd_init (); |
614c279d | 373 | notice_open_fds (); |
5484b13a | 374 | |
26743505 | 375 | make_cleanup (VEC_cleanup (cmdarg_s), &cmdarg_vec); |
c906108c SS |
376 | dirsize = 1; |
377 | dirarg = (char **) xmalloc (dirsize * sizeof (*dirarg)); | |
378 | ndir = 0; | |
379 | ||
522002f9 | 380 | clear_quit_flag (); |
dc7eb48e PA |
381 | saved_command_line = (char *) xmalloc (saved_command_line_size); |
382 | saved_command_line[0] = '\0'; | |
c906108c SS |
383 | instream = stdin; |
384 | ||
ffa4ac95 YQ |
385 | #ifdef __MINGW32__ |
386 | /* Ensure stderr is unbuffered. A Cygwin pty or pipe is implemented | |
387 | as a Windows pipe, and Windows buffers on pipes. */ | |
388 | setvbuf (stderr, NULL, _IONBF, BUFSIZ); | |
389 | #endif | |
390 | ||
da59e081 | 391 | gdb_stdout = stdio_fileopen (stdout); |
ffa4ac95 YQ |
392 | gdb_stderr = stderr_fileopen (); |
393 | ||
da59e081 JM |
394 | gdb_stdlog = gdb_stderr; /* for moment */ |
395 | gdb_stdtarg = gdb_stderr; /* for moment */ | |
449092f6 CV |
396 | gdb_stdin = stdio_fileopen (stdin); |
397 | gdb_stdtargerr = gdb_stderr; /* for moment */ | |
398 | gdb_stdtargin = gdb_stdin; /* for moment */ | |
c906108c | 399 | |
b5981e5a EZ |
400 | #ifdef __MINGW32__ |
401 | /* On Windows, argv[0] is not necessarily set to absolute form when | |
402 | GDB is found along PATH, without which relocation doesn't work. */ | |
403 | gdb_program_name = windows_get_absolute_argv0 (argv[0]); | |
404 | #else | |
16e7150e | 405 | gdb_program_name = xstrdup (argv[0]); |
b5981e5a | 406 | #endif |
16e7150e | 407 | |
bf1d7d9c JB |
408 | if (! getcwd (gdb_dirbuf, sizeof (gdb_dirbuf))) |
409 | /* Don't use *_filtered or warning() (which relies on | |
371d5dec | 410 | current_target) until after initialize_all_files(). */ |
bf1d7d9c | 411 | fprintf_unfiltered (gdb_stderr, |
3e43a32a MS |
412 | _("%s: warning: error finding " |
413 | "working directory: %s\n"), | |
bf1d7d9c JB |
414 | argv[0], safe_strerror (errno)); |
415 | ||
416 | current_directory = gdb_dirbuf; | |
417 | ||
030292b7 | 418 | /* Set the sysroot path. */ |
478aac75 DE |
419 | gdb_sysroot = relocate_gdb_directory (TARGET_SYSTEM_ROOT, |
420 | TARGET_SYSTEM_ROOT_RELOCATABLE); | |
030292b7 | 421 | |
478aac75 DE |
422 | debug_file_directory = relocate_gdb_directory (DEBUGDIR, |
423 | DEBUGDIR_RELOCATABLE); | |
030292b7 | 424 | |
478aac75 DE |
425 | gdb_datadir = relocate_gdb_directory (GDB_DATADIR, |
426 | GDB_DATADIR_RELOCATABLE); | |
aa28a74e | 427 | |
0c4a4063 | 428 | #ifdef WITH_PYTHON_PATH |
e6040cbd MS |
429 | { |
430 | /* For later use in helping Python find itself. */ | |
431 | char *tmp = concat (WITH_PYTHON_PATH, SLASH_STRING, "lib", NULL); | |
432 | ||
478aac75 | 433 | python_libdir = relocate_gdb_directory (tmp, PYTHON_PATH_RELOCATABLE); |
e6040cbd MS |
434 | xfree (tmp); |
435 | } | |
0c4a4063 DE |
436 | #endif |
437 | ||
29b0e8a2 JM |
438 | #ifdef RELOC_SRCDIR |
439 | add_substitute_path_rule (RELOC_SRCDIR, | |
b5981e5a | 440 | make_relative_prefix (gdb_program_name, BINDIR, |
29b0e8a2 JM |
441 | RELOC_SRCDIR)); |
442 | #endif | |
443 | ||
4389a95a | 444 | /* There will always be an interpreter. Either the one passed into |
e46e5ccd KS |
445 | this captured main, or one specified by the user at start up, or |
446 | the console. Initialize the interpreter to the one requested by | |
447 | the application. */ | |
11bf1490 | 448 | interpreter_p = xstrdup (context->interpreter_p); |
4389a95a | 449 | |
c906108c SS |
450 | /* Parse arguments and options. */ |
451 | { | |
452 | int c; | |
453 | /* When var field is 0, use flag field to record the equivalent | |
454 | short option (or arbitrary numbers starting at 10 for those | |
455 | with no equivalent). */ | |
49c7e338 AC |
456 | enum { |
457 | OPT_SE = 10, | |
458 | OPT_CD, | |
459 | OPT_ANNOTATE, | |
460 | OPT_STATISTICS, | |
42fa7c0f AC |
461 | OPT_TUI, |
462 | OPT_NOWINDOWS, | |
8320cc4f JK |
463 | OPT_WINDOWS, |
464 | OPT_IX, | |
465 | OPT_IEX | |
49c7e338 | 466 | }; |
c906108c | 467 | static struct option long_options[] = |
c5aa993b | 468 | { |
49c7e338 | 469 | {"tui", no_argument, 0, OPT_TUI}, |
c5aa993b JM |
470 | {"xdb", no_argument, &xdb_commands, 1}, |
471 | {"dbx", no_argument, &dbx_commands, 1}, | |
472 | {"readnow", no_argument, &readnow_symbol_files, 1}, | |
473 | {"r", no_argument, &readnow_symbol_files, 1}, | |
c5aa993b JM |
474 | {"quiet", no_argument, &quiet, 1}, |
475 | {"q", no_argument, &quiet, 1}, | |
476 | {"silent", no_argument, &quiet, 1}, | |
07540c15 | 477 | {"nh", no_argument, &inhibit_home_gdbinit, 1}, |
c5aa993b JM |
478 | {"nx", no_argument, &inhibit_gdbinit, 1}, |
479 | {"n", no_argument, &inhibit_gdbinit, 1}, | |
1a088d06 | 480 | {"batch-silent", no_argument, 0, 'B'}, |
7c953934 | 481 | {"batch", no_argument, &batch_flag, 1}, |
c5aa993b | 482 | |
371d5dec MS |
483 | /* This is a synonym for "--annotate=1". --annotate is now |
484 | preferred, but keep this here for a long time because people | |
485 | will be running emacses which use --fullname. */ | |
c5aa993b JM |
486 | {"fullname", no_argument, 0, 'f'}, |
487 | {"f", no_argument, 0, 'f'}, | |
488 | ||
49c7e338 | 489 | {"annotate", required_argument, 0, OPT_ANNOTATE}, |
c5aa993b | 490 | {"help", no_argument, &print_help, 1}, |
49c7e338 | 491 | {"se", required_argument, 0, OPT_SE}, |
c5aa993b JM |
492 | {"symbols", required_argument, 0, 's'}, |
493 | {"s", required_argument, 0, 's'}, | |
494 | {"exec", required_argument, 0, 'e'}, | |
495 | {"e", required_argument, 0, 'e'}, | |
496 | {"core", required_argument, 0, 'c'}, | |
497 | {"c", required_argument, 0, 'c'}, | |
00546b04 MS |
498 | {"pid", required_argument, 0, 'p'}, |
499 | {"p", required_argument, 0, 'p'}, | |
c5aa993b | 500 | {"command", required_argument, 0, 'x'}, |
8a5a3c82 | 501 | {"eval-command", required_argument, 0, 'X'}, |
c5aa993b | 502 | {"version", no_argument, &print_version, 1}, |
6eaaf48b | 503 | {"configuration", no_argument, &print_configuration, 1}, |
c5aa993b | 504 | {"x", required_argument, 0, 'x'}, |
8a5a3c82 | 505 | {"ex", required_argument, 0, 'X'}, |
8320cc4f JK |
506 | {"init-command", required_argument, 0, OPT_IX}, |
507 | {"init-eval-command", required_argument, 0, OPT_IEX}, | |
508 | {"ix", required_argument, 0, OPT_IX}, | |
509 | {"iex", required_argument, 0, OPT_IEX}, | |
3fc11d3e JM |
510 | #ifdef GDBTK |
511 | {"tclcommand", required_argument, 0, 'z'}, | |
512 | {"enable-external-editor", no_argument, 0, 'y'}, | |
513 | {"editor-command", required_argument, 0, 'w'}, | |
514 | #endif | |
8b93c638 JM |
515 | {"ui", required_argument, 0, 'i'}, |
516 | {"interpreter", required_argument, 0, 'i'}, | |
517 | {"i", required_argument, 0, 'i'}, | |
c5aa993b | 518 | {"directory", required_argument, 0, 'd'}, |
c4093a6a | 519 | {"d", required_argument, 0, 'd'}, |
aae1c79a | 520 | {"data-directory", required_argument, 0, 'D'}, |
49c7e338 | 521 | {"cd", required_argument, 0, OPT_CD}, |
c5aa993b JM |
522 | {"tty", required_argument, 0, 't'}, |
523 | {"baud", required_argument, 0, 'b'}, | |
524 | {"b", required_argument, 0, 'b'}, | |
42fa7c0f AC |
525 | {"nw", no_argument, NULL, OPT_NOWINDOWS}, |
526 | {"nowindows", no_argument, NULL, OPT_NOWINDOWS}, | |
527 | {"w", no_argument, NULL, OPT_WINDOWS}, | |
528 | {"windows", no_argument, NULL, OPT_WINDOWS}, | |
49c7e338 | 529 | {"statistics", no_argument, 0, OPT_STATISTICS}, |
c5aa993b | 530 | {"write", no_argument, &write_files, 1}, |
552c04a7 | 531 | {"args", no_argument, &set_args, 1}, |
39c76ca3 | 532 | {"l", required_argument, 0, 'l'}, |
4b0ad762 | 533 | {"return-child-result", no_argument, &return_child_result, 1}, |
c5aa993b JM |
534 | {0, no_argument, 0, 0} |
535 | }; | |
c906108c SS |
536 | |
537 | while (1) | |
538 | { | |
539 | int option_index; | |
540 | ||
541 | c = getopt_long_only (argc, argv, "", | |
542 | long_options, &option_index); | |
552c04a7 | 543 | if (c == EOF || set_args) |
c906108c SS |
544 | break; |
545 | ||
546 | /* Long option that takes an argument. */ | |
547 | if (c == 0 && long_options[option_index].flag == 0) | |
548 | c = long_options[option_index].val; | |
549 | ||
550 | switch (c) | |
551 | { | |
552 | case 0: | |
553 | /* Long option that just sets a flag. */ | |
554 | break; | |
49c7e338 | 555 | case OPT_SE: |
c906108c SS |
556 | symarg = optarg; |
557 | execarg = optarg; | |
558 | break; | |
49c7e338 | 559 | case OPT_CD: |
c906108c SS |
560 | cdarg = optarg; |
561 | break; | |
49c7e338 | 562 | case OPT_ANNOTATE: |
c906108c SS |
563 | /* FIXME: what if the syntax is wrong (e.g. not digits)? */ |
564 | annotation_level = atoi (optarg); | |
565 | break; | |
49c7e338 | 566 | case OPT_STATISTICS: |
c906108c | 567 | /* Enable the display of both time and space usage. */ |
bd712aed DE |
568 | set_per_command_time (1); |
569 | set_per_command_space (1); | |
c906108c | 570 | break; |
49c7e338 | 571 | case OPT_TUI: |
021e7609 | 572 | /* --tui is equivalent to -i=tui. */ |
b0da54f1 | 573 | #ifdef TUI |
021e7609 | 574 | xfree (interpreter_p); |
cc4349ed | 575 | interpreter_p = xstrdup (INTERP_TUI); |
b0da54f1 BW |
576 | #else |
577 | fprintf_unfiltered (gdb_stderr, | |
578 | _("%s: TUI mode is not supported\n"), | |
579 | argv[0]); | |
580 | exit (1); | |
581 | #endif | |
021e7609 | 582 | break; |
42fa7c0f AC |
583 | case OPT_WINDOWS: |
584 | /* FIXME: cagney/2003-03-01: Not sure if this option is | |
585 | actually useful, and if it is, what it should do. */ | |
cc4349ed AS |
586 | #ifdef GDBTK |
587 | /* --windows is equivalent to -i=insight. */ | |
588 | xfree (interpreter_p); | |
589 | interpreter_p = xstrdup (INTERP_INSIGHT); | |
590 | #endif | |
42fa7c0f AC |
591 | use_windows = 1; |
592 | break; | |
593 | case OPT_NOWINDOWS: | |
594 | /* -nw is equivalent to -i=console. */ | |
595 | xfree (interpreter_p); | |
596 | interpreter_p = xstrdup (INTERP_CONSOLE); | |
597 | use_windows = 0; | |
598 | break; | |
c906108c SS |
599 | case 'f': |
600 | annotation_level = 1; | |
025bb325 MS |
601 | /* We have probably been invoked from emacs. Disable |
602 | window interface. */ | |
c906108c SS |
603 | use_windows = 0; |
604 | break; | |
605 | case 's': | |
606 | symarg = optarg; | |
607 | break; | |
608 | case 'e': | |
609 | execarg = optarg; | |
610 | break; | |
611 | case 'c': | |
612 | corearg = optarg; | |
613 | break; | |
00546b04 | 614 | case 'p': |
a4d9b460 | 615 | pidarg = optarg; |
00546b04 | 616 | break; |
c906108c | 617 | case 'x': |
26743505 JK |
618 | { |
619 | struct cmdarg cmdarg = { CMDARG_FILE, optarg }; | |
620 | ||
621 | VEC_safe_push (cmdarg_s, cmdarg_vec, &cmdarg); | |
622 | } | |
8a5a3c82 AS |
623 | break; |
624 | case 'X': | |
26743505 JK |
625 | { |
626 | struct cmdarg cmdarg = { CMDARG_COMMAND, optarg }; | |
627 | ||
628 | VEC_safe_push (cmdarg_s, cmdarg_vec, &cmdarg); | |
629 | } | |
630 | break; | |
8320cc4f JK |
631 | case OPT_IX: |
632 | { | |
633 | struct cmdarg cmdarg = { CMDARG_INIT_FILE, optarg }; | |
634 | ||
635 | VEC_safe_push (cmdarg_s, cmdarg_vec, &cmdarg); | |
636 | } | |
637 | break; | |
638 | case OPT_IEX: | |
639 | { | |
640 | struct cmdarg cmdarg = { CMDARG_INIT_COMMAND, optarg }; | |
641 | ||
642 | VEC_safe_push (cmdarg_s, cmdarg_vec, &cmdarg); | |
643 | } | |
c906108c | 644 | break; |
1a088d06 | 645 | case 'B': |
7c953934 | 646 | batch_flag = batch_silent = 1; |
1a088d06 AS |
647 | gdb_stdout = ui_file_new(); |
648 | break; | |
aae1c79a DE |
649 | case 'D': |
650 | xfree (gdb_datadir); | |
651 | gdb_datadir = xstrdup (optarg); | |
e64e0392 | 652 | gdb_datadir_provided = 1; |
aae1c79a | 653 | break; |
3fc11d3e JM |
654 | #ifdef GDBTK |
655 | case 'z': | |
656 | { | |
371d5dec MS |
657 | extern int gdbtk_test (char *); |
658 | ||
3fc11d3e JM |
659 | if (!gdbtk_test (optarg)) |
660 | { | |
3e43a32a MS |
661 | fprintf_unfiltered (gdb_stderr, |
662 | _("%s: unable to load " | |
663 | "tclcommand file \"%s\""), | |
3fc11d3e JM |
664 | argv[0], optarg); |
665 | exit (1); | |
666 | } | |
667 | break; | |
668 | } | |
669 | case 'y': | |
78f49586 TT |
670 | /* Backwards compatibility only. */ |
671 | break; | |
3fc11d3e JM |
672 | case 'w': |
673 | { | |
3a9b40b6 JK |
674 | /* Set the external editor commands when gdb is farming out files |
675 | to be edited by another program. */ | |
676 | extern char *external_editor_command; | |
677 | ||
3fc11d3e JM |
678 | external_editor_command = xstrdup (optarg); |
679 | break; | |
680 | } | |
681 | #endif /* GDBTK */ | |
fb40c209 | 682 | case 'i': |
4389a95a AC |
683 | xfree (interpreter_p); |
684 | interpreter_p = xstrdup (optarg); | |
fb40c209 | 685 | break; |
c906108c SS |
686 | case 'd': |
687 | dirarg[ndir++] = optarg; | |
688 | if (ndir >= dirsize) | |
689 | { | |
690 | dirsize *= 2; | |
c5aa993b | 691 | dirarg = (char **) xrealloc ((char *) dirarg, |
c906108c SS |
692 | dirsize * sizeof (*dirarg)); |
693 | } | |
694 | break; | |
695 | case 't': | |
696 | ttyarg = optarg; | |
697 | break; | |
698 | case 'q': | |
699 | quiet = 1; | |
700 | break; | |
701 | case 'b': | |
702 | { | |
703 | int i; | |
704 | char *p; | |
705 | ||
706 | i = strtol (optarg, &p, 0); | |
707 | if (i == 0 && p == optarg) | |
708 | ||
709 | /* Don't use *_filtered or warning() (which relies on | |
371d5dec | 710 | current_target) until after initialize_all_files(). */ |
c906108c SS |
711 | |
712 | fprintf_unfiltered | |
713 | (gdb_stderr, | |
defc6f8c | 714 | _("warning: could not set baud rate to `%s'.\n"), optarg); |
c906108c SS |
715 | else |
716 | baud_rate = i; | |
717 | } | |
046ca86a | 718 | break; |
c906108c SS |
719 | case 'l': |
720 | { | |
721 | int i; | |
722 | char *p; | |
723 | ||
724 | i = strtol (optarg, &p, 0); | |
725 | if (i == 0 && p == optarg) | |
726 | ||
727 | /* Don't use *_filtered or warning() (which relies on | |
371d5dec | 728 | current_target) until after initialize_all_files(). */ |
c906108c | 729 | |
3e43a32a MS |
730 | fprintf_unfiltered (gdb_stderr, |
731 | _("warning: could not set " | |
732 | "timeout limit to `%s'.\n"), optarg); | |
c906108c SS |
733 | else |
734 | remote_timeout = i; | |
735 | } | |
736 | break; | |
737 | ||
c906108c SS |
738 | case '?': |
739 | fprintf_unfiltered (gdb_stderr, | |
3e43a32a MS |
740 | _("Use `%s --help' for a " |
741 | "complete list of options.\n"), | |
c5aa993b | 742 | argv[0]); |
c906108c SS |
743 | exit (1); |
744 | } | |
745 | } | |
746 | ||
6eaaf48b EZ |
747 | /* If --help or --version or --configuration, disable window |
748 | interface. */ | |
749 | if (print_help || print_version || print_configuration) | |
c906108c SS |
750 | { |
751 | use_windows = 0; | |
c906108c SS |
752 | } |
753 | ||
7c953934 | 754 | if (batch_flag) |
c906108c SS |
755 | quiet = 1; |
756 | } | |
757 | ||
0f71a2f6 | 758 | /* Initialize all files. Give the interpreter a chance to take |
ba5e7e8d | 759 | control of the console via the deprecated_init_ui_hook (). */ |
b5981e5a | 760 | gdb_init (gdb_program_name); |
c906108c | 761 | |
371d5dec MS |
762 | /* Now that gdb_init has created the initial inferior, we're in |
763 | position to set args for that inferior. */ | |
3f81c18a VP |
764 | if (set_args) |
765 | { | |
766 | /* The remaining options are the command-line options for the | |
767 | inferior. The first one is the sym/exec file, and the rest | |
768 | are arguments. */ | |
769 | if (optind >= argc) | |
770 | { | |
771 | fprintf_unfiltered (gdb_stderr, | |
3e43a32a MS |
772 | _("%s: `--args' specified but " |
773 | "no program specified\n"), | |
3f81c18a VP |
774 | argv[0]); |
775 | exit (1); | |
776 | } | |
777 | symarg = argv[optind]; | |
778 | execarg = argv[optind]; | |
779 | ++optind; | |
780 | set_inferior_args_vector (argc - optind, &argv[optind]); | |
781 | } | |
782 | else | |
783 | { | |
784 | /* OK, that's all the options. */ | |
785 | ||
786 | /* The first argument, if specified, is the name of the | |
787 | executable. */ | |
788 | if (optind < argc) | |
789 | { | |
790 | symarg = argv[optind]; | |
791 | execarg = argv[optind]; | |
792 | optind++; | |
793 | } | |
794 | ||
795 | /* If the user hasn't already specified a PID or the name of a | |
796 | core file, then a second optional argument is allowed. If | |
797 | present, this argument should be interpreted as either a | |
798 | PID or a core file, whichever works. */ | |
799 | if (pidarg == NULL && corearg == NULL && optind < argc) | |
800 | { | |
801 | pid_or_core_arg = argv[optind]; | |
802 | optind++; | |
803 | } | |
804 | ||
805 | /* Any argument left on the command line is unexpected and | |
806 | will be ignored. Inform the user. */ | |
807 | if (optind < argc) | |
3e43a32a MS |
808 | fprintf_unfiltered (gdb_stderr, |
809 | _("Excess command line " | |
810 | "arguments ignored. (%s%s)\n"), | |
3f81c18a VP |
811 | argv[optind], |
812 | (optind == argc - 1) ? "" : " ..."); | |
813 | } | |
814 | ||
025bb325 | 815 | /* Lookup gdbinit files. Note that the gdbinit file name may be |
371d5dec MS |
816 | overriden during file initialization, so get_init_files should be |
817 | called after gdb_init. */ | |
57a46001 JG |
818 | get_init_files (&system_gdbinit, &home_gdbinit, &local_gdbinit); |
819 | ||
c906108c | 820 | /* Do these (and anything which might call wrap_here or *_filtered) |
4389a95a AC |
821 | after initialize_all_files() but before the interpreter has been |
822 | installed. Otherwize the help/version messages will be eaten by | |
823 | the interpreter's output handler. */ | |
824 | ||
c906108c SS |
825 | if (print_version) |
826 | { | |
827 | print_gdb_version (gdb_stdout); | |
828 | wrap_here (""); | |
829 | printf_filtered ("\n"); | |
830 | exit (0); | |
831 | } | |
832 | ||
833 | if (print_help) | |
834 | { | |
835 | print_gdb_help (gdb_stdout); | |
836 | fputs_unfiltered ("\n", gdb_stdout); | |
837 | exit (0); | |
838 | } | |
839 | ||
6eaaf48b EZ |
840 | if (print_configuration) |
841 | { | |
842 | print_gdb_configuration (gdb_stdout); | |
843 | wrap_here (""); | |
844 | printf_filtered ("\n"); | |
845 | exit (0); | |
846 | } | |
847 | ||
4389a95a AC |
848 | /* FIXME: cagney/2003-02-03: The big hack (part 1 of 2) that lets |
849 | GDB retain the old MI1 interpreter startup behavior. Output the | |
850 | copyright message before the interpreter is installed. That way | |
851 | it isn't encapsulated in MI output. */ | |
852 | if (!quiet && strcmp (interpreter_p, INTERP_MI1) == 0) | |
853 | { | |
371d5dec MS |
854 | /* Print all the junk at the top, with trailing "..." if we are |
855 | about to read a symbol file (possibly slowly). */ | |
4389a95a AC |
856 | print_gdb_version (gdb_stdout); |
857 | if (symarg) | |
858 | printf_filtered (".."); | |
859 | wrap_here (""); | |
e896d70e | 860 | printf_filtered ("\n"); |
371d5dec MS |
861 | gdb_flush (gdb_stdout); /* Force to screen during slow |
862 | operations. */ | |
4389a95a AC |
863 | } |
864 | ||
4389a95a | 865 | /* Install the default UI. All the interpreters should have had a |
371d5dec | 866 | look at things by now. Initialize the default interpreter. */ |
4389a95a AC |
867 | |
868 | { | |
869 | /* Find it. */ | |
870 | struct interp *interp = interp_lookup (interpreter_p); | |
b8d56208 | 871 | |
4389a95a | 872 | if (interp == NULL) |
8a3fe4f8 | 873 | error (_("Interpreter `%s' unrecognized"), interpreter_p); |
4389a95a | 874 | /* Install it. */ |
683f2885 | 875 | if (!interp_set (interp, 1)) |
4389a95a AC |
876 | { |
877 | fprintf_unfiltered (gdb_stderr, | |
878 | "Interpreter `%s' failed to initialize.\n", | |
879 | interpreter_p); | |
880 | exit (1); | |
881 | } | |
882 | } | |
883 | ||
884 | /* FIXME: cagney/2003-02-03: The big hack (part 2 of 2) that lets | |
885 | GDB retain the old MI1 interpreter startup behavior. Output the | |
886 | copyright message after the interpreter is installed when it is | |
887 | any sane interpreter. */ | |
888 | if (!quiet && !current_interp_named_p (INTERP_MI1)) | |
c906108c | 889 | { |
371d5dec MS |
890 | /* Print all the junk at the top, with trailing "..." if we are |
891 | about to read a symbol file (possibly slowly). */ | |
c906108c SS |
892 | print_gdb_version (gdb_stdout); |
893 | if (symarg) | |
894 | printf_filtered (".."); | |
c5aa993b | 895 | wrap_here (""); |
e896d70e | 896 | printf_filtered ("\n"); |
371d5dec MS |
897 | gdb_flush (gdb_stdout); /* Force to screen during slow |
898 | operations. */ | |
c906108c SS |
899 | } |
900 | ||
e896d70e | 901 | /* Set off error and warning messages with a blank line. */ |
defc6f8c | 902 | warning_pre_print = _("\nwarning: "); |
c906108c | 903 | |
16e7150e JG |
904 | /* Read and execute the system-wide gdbinit file, if it exists. |
905 | This is done *before* all the command line arguments are | |
906 | processed; it sets global parameters, which are independent of | |
907 | what file you are debugging or what directory you are in. */ | |
908 | if (system_gdbinit && !inhibit_gdbinit) | |
50dd9793 PA |
909 | catch_command_errors_const (source_script, system_gdbinit, |
910 | 0, RETURN_MASK_ALL); | |
16e7150e | 911 | |
c906108c SS |
912 | /* Read and execute $HOME/.gdbinit file, if it exists. This is done |
913 | *before* all the command line arguments are processed; it sets | |
914 | global parameters, which are independent of what file you are | |
915 | debugging or what directory you are in. */ | |
c906108c | 916 | |
07540c15 | 917 | if (home_gdbinit && !inhibit_gdbinit && !inhibit_home_gdbinit) |
50dd9793 PA |
918 | catch_command_errors_const (source_script, |
919 | home_gdbinit, 0, RETURN_MASK_ALL); | |
c906108c | 920 | |
2d7b58e8 JK |
921 | /* Process '-ix' and '-iex' options early. */ |
922 | for (i = 0; VEC_iterate (cmdarg_s, cmdarg_vec, i, cmdarg_p); i++) | |
923 | switch (cmdarg_p->type) | |
924 | { | |
925 | case CMDARG_INIT_FILE: | |
50dd9793 PA |
926 | catch_command_errors_const (source_script, cmdarg_p->string, |
927 | !batch_flag, RETURN_MASK_ALL); | |
2d7b58e8 JK |
928 | break; |
929 | case CMDARG_INIT_COMMAND: | |
930 | catch_command_errors (execute_command, cmdarg_p->string, | |
931 | !batch_flag, RETURN_MASK_ALL); | |
932 | break; | |
933 | } | |
934 | ||
c906108c SS |
935 | /* Now perform all the actions indicated by the arguments. */ |
936 | if (cdarg != NULL) | |
937 | { | |
11cf8741 | 938 | catch_command_errors (cd_command, cdarg, 0, RETURN_MASK_ALL); |
c906108c | 939 | } |
c906108c SS |
940 | |
941 | for (i = 0; i < ndir; i++) | |
13d35ae5 | 942 | catch_command_errors (directory_switch, dirarg[i], 0, RETURN_MASK_ALL); |
b8c9b27d | 943 | xfree (dirarg); |
c906108c | 944 | |
88a1906b | 945 | /* Skip auto-loading section-specified scripts until we've sourced |
371d5dec MS |
946 | local_gdbinit (which is often used to augment the source search |
947 | path). */ | |
bf88dd68 JK |
948 | save_auto_load = global_auto_load; |
949 | global_auto_load = 0; | |
88a1906b | 950 | |
c906108c SS |
951 | if (execarg != NULL |
952 | && symarg != NULL | |
5cb316ef | 953 | && strcmp (execarg, symarg) == 0) |
c906108c | 954 | { |
11cf8741 JM |
955 | /* The exec file and the symbol-file are the same. If we can't |
956 | open it, better only print one error message. | |
371d5dec | 957 | catch_command_errors returns non-zero on success! */ |
3e43a32a MS |
958 | if (catch_command_errors (exec_file_attach, execarg, |
959 | !batch_flag, RETURN_MASK_ALL)) | |
69150c3d JK |
960 | catch_command_errors_const (symbol_file_add_main, symarg, |
961 | !batch_flag, RETURN_MASK_ALL); | |
c906108c SS |
962 | } |
963 | else | |
964 | { | |
965 | if (execarg != NULL) | |
3e43a32a MS |
966 | catch_command_errors (exec_file_attach, execarg, |
967 | !batch_flag, RETURN_MASK_ALL); | |
c906108c | 968 | if (symarg != NULL) |
69150c3d JK |
969 | catch_command_errors_const (symbol_file_add_main, symarg, |
970 | !batch_flag, RETURN_MASK_ALL); | |
c906108c | 971 | } |
c906108c | 972 | |
a4d9b460 | 973 | if (corearg && pidarg) |
3e43a32a MS |
974 | error (_("Can't attach to process and specify " |
975 | "a core file at the same time.")); | |
a4d9b460 | 976 | |
c906108c | 977 | if (corearg != NULL) |
a4d9b460 | 978 | catch_command_errors (core_file_command, corearg, |
7c953934 | 979 | !batch_flag, RETURN_MASK_ALL); |
a4d9b460 PA |
980 | else if (pidarg != NULL) |
981 | catch_command_errors (attach_command, pidarg, | |
7c953934 | 982 | !batch_flag, RETURN_MASK_ALL); |
a4d9b460 | 983 | else if (pid_or_core_arg) |
c906108c | 984 | { |
a4d9b460 PA |
985 | /* The user specified 'gdb program pid' or gdb program core'. |
986 | If pid_or_core_arg's first character is a digit, try attach | |
987 | first and then corefile. Otherwise try just corefile. */ | |
00546b04 | 988 | |
a4d9b460 | 989 | if (isdigit (pid_or_core_arg[0])) |
11cf8741 | 990 | { |
a4d9b460 | 991 | if (catch_command_errors (attach_command, pid_or_core_arg, |
7c953934 | 992 | !batch_flag, RETURN_MASK_ALL) == 0) |
a4d9b460 | 993 | catch_command_errors (core_file_command, pid_or_core_arg, |
7c953934 | 994 | !batch_flag, RETURN_MASK_ALL); |
11cf8741 | 995 | } |
a4d9b460 PA |
996 | else /* Can't be a pid, better be a corefile. */ |
997 | catch_command_errors (core_file_command, pid_or_core_arg, | |
7c953934 | 998 | !batch_flag, RETURN_MASK_ALL); |
c906108c | 999 | } |
c906108c SS |
1000 | |
1001 | if (ttyarg != NULL) | |
3f81c18a | 1002 | set_inferior_io_terminal (ttyarg); |
c906108c | 1003 | |
371d5dec | 1004 | /* Error messages should no longer be distinguished with extra output. */ |
defc6f8c | 1005 | warning_pre_print = _("warning: "); |
c906108c SS |
1006 | |
1007 | /* Read the .gdbinit file in the current directory, *if* it isn't | |
1008 | the same as the $HOME/.gdbinit file (it should exist, also). */ | |
bf88dd68 JK |
1009 | if (local_gdbinit) |
1010 | { | |
1011 | auto_load_local_gdbinit_pathname = gdb_realpath (local_gdbinit); | |
1012 | ||
bccbefd2 | 1013 | if (!inhibit_gdbinit && auto_load_local_gdbinit |
4dc84fd1 JK |
1014 | && file_is_auto_load_safe (local_gdbinit, |
1015 | _("auto-load: Loading .gdbinit " | |
1016 | "file \"%s\".\n"), | |
1017 | local_gdbinit)) | |
bf88dd68 JK |
1018 | { |
1019 | auto_load_local_gdbinit_loaded = 1; | |
1020 | ||
50dd9793 PA |
1021 | catch_command_errors_const (source_script, local_gdbinit, 0, |
1022 | RETURN_MASK_ALL); | |
bf88dd68 JK |
1023 | } |
1024 | } | |
c906108c | 1025 | |
88a1906b DE |
1026 | /* Now that all .gdbinit's have been read and all -d options have been |
1027 | processed, we can read any scripts mentioned in SYMARG. | |
1028 | We wait until now because it is common to add to the source search | |
1029 | path in local_gdbinit. */ | |
bf88dd68 | 1030 | global_auto_load = save_auto_load; |
7f6130ff JK |
1031 | ALL_OBJFILES (objfile) |
1032 | load_auto_scripts_for_objfile (objfile); | |
88a1906b | 1033 | |
8320cc4f | 1034 | /* Process '-x' and '-ex' options. */ |
26743505 JK |
1035 | for (i = 0; VEC_iterate (cmdarg_s, cmdarg_vec, i, cmdarg_p); i++) |
1036 | switch (cmdarg_p->type) | |
c906108c | 1037 | { |
26743505 | 1038 | case CMDARG_FILE: |
50dd9793 PA |
1039 | catch_command_errors_const (source_script, cmdarg_p->string, |
1040 | !batch_flag, RETURN_MASK_ALL); | |
26743505 JK |
1041 | break; |
1042 | case CMDARG_COMMAND: | |
1043 | catch_command_errors (execute_command, cmdarg_p->string, | |
7c953934 | 1044 | !batch_flag, RETURN_MASK_ALL); |
26743505 | 1045 | break; |
c906108c | 1046 | } |
c906108c | 1047 | |
371d5dec MS |
1048 | /* Read in the old history after all the command files have been |
1049 | read. */ | |
c5aa993b | 1050 | init_history (); |
c906108c | 1051 | |
7c953934 | 1052 | if (batch_flag) |
c906108c SS |
1053 | { |
1054 | /* We have hit the end of the batch file. */ | |
4b0ad762 | 1055 | quit_force (NULL, 0); |
c906108c SS |
1056 | } |
1057 | ||
c906108c | 1058 | /* Show time and/or space usage. */ |
0f3bb72e | 1059 | do_cleanups (pre_stat_chain); |
c906108c | 1060 | |
11cf8741 JM |
1061 | /* NOTE: cagney/1999-11-07: There is probably no reason for not |
1062 | moving this loop and the code found in captured_command_loop() | |
1063 | into the command_loop() proper. The main thing holding back that | |
371d5dec | 1064 | change - SET_TOP_LEVEL() - has been eliminated. */ |
11cf8741 JM |
1065 | while (1) |
1066 | { | |
1067 | catch_errors (captured_command_loop, 0, "", RETURN_MASK_ALL); | |
1068 | } | |
11cf8741 JM |
1069 | /* No exit -- exit is through quit_command. */ |
1070 | } | |
c906108c | 1071 | |
11cf8741 | 1072 | int |
f15ab4a7 | 1073 | gdb_main (struct captured_main_args *args) |
11cf8741 | 1074 | { |
f15ab4a7 AC |
1075 | use_windows = args->use_windows; |
1076 | catch_errors (captured_main, args, "", RETURN_MASK_ALL); | |
864dbc90 AC |
1077 | /* The only way to end up here is by an error (normal exit is |
1078 | handled by quit_force()), hence always return an error status. */ | |
1079 | return 1; | |
c906108c SS |
1080 | } |
1081 | ||
11cf8741 | 1082 | |
c906108c SS |
1083 | /* Don't use *_filtered for printing help. We don't want to prompt |
1084 | for continue no matter how small the screen or how much we're going | |
1085 | to print. */ | |
1086 | ||
1087 | static void | |
d9fcf2fb | 1088 | print_gdb_help (struct ui_file *stream) |
c906108c | 1089 | { |
50dd9793 PA |
1090 | const char *system_gdbinit; |
1091 | const char *home_gdbinit; | |
1092 | const char *local_gdbinit; | |
16e7150e JG |
1093 | |
1094 | get_init_files (&system_gdbinit, &home_gdbinit, &local_gdbinit); | |
1095 | ||
b187bec1 EZ |
1096 | /* Note: The options in the list below are only approximately sorted |
1097 | in the alphabetical order, so as to group closely related options | |
1098 | together. */ | |
defc6f8c | 1099 | fputs_unfiltered (_("\ |
c906108c | 1100 | This is the GNU debugger. Usage:\n\n\ |
552c04a7 TT |
1101 | gdb [options] [executable-file [core-file or process-id]]\n\ |
1102 | gdb [options] --args executable-file [inferior-arguments ...]\n\n\ | |
defc6f8c TT |
1103 | "), stream); |
1104 | fputs_unfiltered (_("\ | |
b187bec1 | 1105 | Selection of debuggee and its files:\n\n\ |
552c04a7 | 1106 | --args Arguments after executable-file are passed to inferior\n\ |
b187bec1 EZ |
1107 | --core=COREFILE Analyze the core dump COREFILE.\n\ |
1108 | --exec=EXECFILE Use EXECFILE as the executable.\n\ | |
1109 | --pid=PID Attach to running process PID.\n\ | |
1110 | --directory=DIR Search for source files in DIR.\n\ | |
1111 | --se=FILE Use FILE as symbol file and executable file.\n\ | |
1112 | --symbols=SYMFILE Read symbols from SYMFILE.\n\ | |
1113 | --readnow Fully read symbol files on first access.\n\ | |
1114 | --write Set writing into executable and core files.\n\n\ | |
defc6f8c TT |
1115 | "), stream); |
1116 | fputs_unfiltered (_("\ | |
b187bec1 | 1117 | Initial commands and command files:\n\n\ |
8a5a3c82 | 1118 | --command=FILE, -x Execute GDB commands from FILE.\n\ |
b187bec1 EZ |
1119 | --init-command=FILE, -ix\n\ |
1120 | Like -x but execute commands before loading inferior.\n\ | |
8a5a3c82 AS |
1121 | --eval-command=COMMAND, -ex\n\ |
1122 | Execute a single GDB command.\n\ | |
1123 | May be used multiple times and in conjunction\n\ | |
1124 | with --command.\n\ | |
b187bec1 EZ |
1125 | --init-eval-command=COMMAND, -iex\n\ |
1126 | Like -ex but before loading inferior.\n\ | |
1127 | --nh Do not read ~/.gdbinit.\n\ | |
1128 | --nx Do not read any .gdbinit files in any directory.\n\n\ | |
defc6f8c TT |
1129 | "), stream); |
1130 | fputs_unfiltered (_("\ | |
b187bec1 | 1131 | Output and user interface control:\n\n\ |
c906108c | 1132 | --fullname Output information used by emacs-GDB interface.\n\ |
8b93c638 JM |
1133 | --interpreter=INTERP\n\ |
1134 | Select a specific interpreter / user interface\n\ | |
c906108c | 1135 | --tty=TTY Use TTY for input/output by the program being debugged.\n\ |
b187bec1 EZ |
1136 | -w Use the GUI interface.\n\ |
1137 | --nw Do not use the GUI interface.\n\ | |
defc6f8c | 1138 | "), stream); |
c906108c | 1139 | #if defined(TUI) |
defc6f8c | 1140 | fputs_unfiltered (_("\ |
c906108c | 1141 | --tui Use a terminal user interface.\n\ |
defc6f8c | 1142 | "), stream); |
c906108c | 1143 | #endif |
481860b3 | 1144 | fputs_unfiltered (_("\ |
b187bec1 | 1145 | --dbx DBX compatibility mode.\n\ |
c906108c | 1146 | --xdb XDB compatibility mode.\n\ |
b187bec1 EZ |
1147 | --quiet Do not print version number on startup.\n\n\ |
1148 | "), stream); | |
1149 | fputs_unfiltered (_("\ | |
1150 | Operating modes:\n\n\ | |
1151 | --batch Exit after processing options.\n\ | |
1152 | --batch-silent Like --batch, but suppress all gdb stdout output.\n\ | |
1153 | --return-child-result\n\ | |
1154 | GDB exit code will be the child's exit code.\n\ | |
1155 | --configuration Print details about GDB configuration and then exit.\n\ | |
1156 | --help Print this message and then exit.\n\ | |
1157 | --version Print version information and then exit.\n\n\ | |
1158 | Remote debugging options:\n\n\ | |
1159 | -b BAUDRATE Set serial port baud rate used for remote debugging.\n\ | |
1160 | -l TIMEOUT Set timeout in seconds for remote debugging.\n\n\ | |
1161 | Other options:\n\n\ | |
1162 | --cd=DIR Change current directory to DIR.\n\ | |
defc6f8c | 1163 | "), stream); |
defc6f8c | 1164 | fputs_unfiltered (_("\n\ |
16e7150e JG |
1165 | At startup, GDB reads the following init files and executes their commands:\n\ |
1166 | "), stream); | |
1167 | if (system_gdbinit) | |
1168 | fprintf_unfiltered (stream, _("\ | |
1169 | * system-wide init file: %s\n\ | |
1170 | "), system_gdbinit); | |
1171 | if (home_gdbinit) | |
1172 | fprintf_unfiltered (stream, _("\ | |
1173 | * user-specific init file: %s\n\ | |
1174 | "), home_gdbinit); | |
1175 | if (local_gdbinit) | |
1176 | fprintf_unfiltered (stream, _("\ | |
bf88dd68 | 1177 | * local init file (see also 'set auto-load local-gdbinit'): ./%s\n\ |
16e7150e JG |
1178 | "), local_gdbinit); |
1179 | fputs_unfiltered (_("\n\ | |
c906108c SS |
1180 | For more information, type \"help\" from within GDB, or consult the\n\ |
1181 | GDB manual (available as on-line info or a printed manual).\n\ | |
defc6f8c | 1182 | "), stream); |
c16158bc JM |
1183 | if (REPORT_BUGS_TO[0] && stream == gdb_stdout) |
1184 | fprintf_unfiltered (stream, _("\ | |
1185 | Report bugs to \"%s\".\n\ | |
1186 | "), REPORT_BUGS_TO); | |
c906108c | 1187 | } |