Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Top level stuff for GDB, the GNU debugger. |
4389a95a | 2 | |
6aba47ca DJ |
3 | Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, |
4 | 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007 | |
7509373f | 5 | Free Software Foundation, Inc. |
c906108c | 6 | |
c5aa993b | 7 | This file is part of GDB. |
c906108c | 8 | |
c5aa993b JM |
9 | This program is free software; you can redistribute it and/or modify |
10 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 11 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 12 | (at your option) any later version. |
c906108c | 13 | |
c5aa993b JM |
14 | This program is distributed in the hope that it will be useful, |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
c906108c | 18 | |
c5aa993b | 19 | You should have received a copy of the GNU General Public License |
a9762ec7 | 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
21 | |
22 | #include "defs.h" | |
c906108c SS |
23 | #include "top.h" |
24 | #include "target.h" | |
25 | #include "inferior.h" | |
1adeb98a FN |
26 | #include "symfile.h" |
27 | #include "gdbcore.h" | |
c906108c | 28 | |
60250e8b | 29 | #include "exceptions.h" |
c906108c SS |
30 | #include "getopt.h" |
31 | ||
32 | #include <sys/types.h> | |
33 | #include "gdb_stat.h" | |
34 | #include <ctype.h> | |
35 | ||
36 | #include "gdb_string.h" | |
9e0b60a8 | 37 | #include "event-loop.h" |
8b93c638 | 38 | #include "ui-out.h" |
6457bd47 | 39 | |
4389a95a | 40 | #include "interps.h" |
f15ab4a7 AC |
41 | #include "main.h" |
42 | ||
c906108c SS |
43 | /* If nonzero, display time usage both at startup and for each command. */ |
44 | ||
45 | int display_time; | |
46 | ||
47 | /* If nonzero, display space usage both at startup and for each command. */ | |
48 | ||
49 | int display_space; | |
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 | |
53 | do_setshow_command will free it. */ | |
fb40c209 | 54 | char *interpreter_p; |
fb40c209 | 55 | |
c906108c SS |
56 | /* Whether xdb commands will be handled */ |
57 | int xdb_commands = 0; | |
58 | ||
59 | /* Whether dbx commands will be handled */ | |
60 | int dbx_commands = 0; | |
61 | ||
030292b7 DJ |
62 | /* System root path, used to find libraries etc. */ |
63 | char *gdb_sysroot = 0; | |
64 | ||
d9fcf2fb JM |
65 | struct ui_file *gdb_stdout; |
66 | struct ui_file *gdb_stderr; | |
67 | struct ui_file *gdb_stdlog; | |
449092f6 CV |
68 | struct ui_file *gdb_stdin; |
69 | /* target IO streams */ | |
70 | struct ui_file *gdb_stdtargin; | |
22e8e3c7 | 71 | struct ui_file *gdb_stdtarg; |
449092f6 | 72 | struct ui_file *gdb_stdtargerr; |
c906108c | 73 | |
1a088d06 AS |
74 | /* Support for the --batch-silent option. */ |
75 | int batch_silent = 0; | |
76 | ||
4b0ad762 AS |
77 | /* Support for --return-child-result option. |
78 | Set the default to -1 to return error in the case | |
79 | that the program does not run or does not complete. */ | |
80 | int return_child_result = 0; | |
81 | int return_child_result_value = -1; | |
82 | ||
c906108c SS |
83 | /* Whether to enable writing into executable and core files */ |
84 | extern int write_files; | |
85 | ||
d9fcf2fb | 86 | static void print_gdb_help (struct ui_file *); |
c906108c SS |
87 | |
88 | /* These two are used to set the external editor commands when gdb is farming | |
89 | out files to be edited by another program. */ | |
90 | ||
c5aa993b | 91 | extern char *external_editor_command; |
c906108c | 92 | |
11cf8741 JM |
93 | /* Call command_loop. If it happens to return, pass that through as a |
94 | non-zero return status. */ | |
95 | ||
96 | static int | |
97 | captured_command_loop (void *data) | |
c906108c | 98 | { |
4389a95a | 99 | current_interp_command_loop (); |
11cf8741 JM |
100 | /* FIXME: cagney/1999-11-05: A correct command_loop() implementaton |
101 | would clean things up (restoring the cleanup chain) to the state | |
102 | they were just prior to the call. Technically, this means that | |
e26cc349 | 103 | the do_cleanups() below is redundant. Unfortunately, many FUNCs |
11cf8741 JM |
104 | are not that well behaved. do_cleanups should either be replaced |
105 | with a do_cleanups call (to cover the problem) or an assertion | |
106 | check to detect bad FUNCs code. */ | |
107 | do_cleanups (ALL_CLEANUPS); | |
108 | /* If the command_loop returned, normally (rather than threw an | |
109 | error) we try to quit. If the quit is aborted, catch_errors() | |
110 | which called this catch the signal and restart the command | |
111 | loop. */ | |
112 | quit_command (NULL, instream == stdin); | |
113 | return 1; | |
114 | } | |
115 | ||
11cf8741 JM |
116 | static int |
117 | captured_main (void *data) | |
118 | { | |
119 | struct captured_main_args *context = data; | |
120 | int argc = context->argc; | |
121 | char **argv = context->argv; | |
c906108c SS |
122 | int count; |
123 | static int quiet = 0; | |
124 | static int batch = 0; | |
552c04a7 | 125 | static int set_args = 0; |
c906108c SS |
126 | |
127 | /* Pointers to various arguments from command line. */ | |
128 | char *symarg = NULL; | |
129 | char *execarg = NULL; | |
130 | char *corearg = NULL; | |
131 | char *cdarg = NULL; | |
132 | char *ttyarg = NULL; | |
133 | ||
134 | /* These are static so that we can take their address in an initializer. */ | |
135 | static int print_help; | |
136 | static int print_version; | |
137 | ||
138 | /* Pointers to all arguments of --command option. */ | |
8a5a3c82 AS |
139 | struct cmdarg { |
140 | enum { | |
141 | CMDARG_FILE, | |
142 | CMDARG_COMMAND | |
143 | } type; | |
144 | char *string; | |
145 | } *cmdarg; | |
c906108c SS |
146 | /* Allocated size of cmdarg. */ |
147 | int cmdsize; | |
148 | /* Number of elements of cmdarg used. */ | |
149 | int ncmd; | |
150 | ||
151 | /* Indices of all arguments of --directory option. */ | |
152 | char **dirarg; | |
153 | /* Allocated size. */ | |
154 | int dirsize; | |
155 | /* Number of elements used. */ | |
156 | int ndir; | |
c5aa993b | 157 | |
c906108c | 158 | struct stat homebuf, cwdbuf; |
7509373f | 159 | char *homedir; |
c906108c | 160 | |
52f0bd74 | 161 | int i; |
c906108c SS |
162 | |
163 | long time_at_startup = get_run_time (); | |
164 | ||
0fbb3da7 TT |
165 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) |
166 | setlocale (LC_MESSAGES, ""); | |
167 | #endif | |
168 | #if defined (HAVE_SETLOCALE) | |
169 | setlocale (LC_CTYPE, ""); | |
170 | #endif | |
171 | bindtextdomain (PACKAGE, LOCALEDIR); | |
172 | textdomain (PACKAGE); | |
173 | ||
6dd77b81 RH |
174 | #ifdef HAVE_SBRK |
175 | lim_at_start = (char *) sbrk (0); | |
176 | #endif | |
177 | ||
c906108c SS |
178 | #if defined (ALIGN_STACK_ON_STARTUP) |
179 | i = (int) &count & 0x3; | |
180 | if (i != 0) | |
181 | alloca (4 - i); | |
182 | #endif | |
183 | ||
c906108c | 184 | cmdsize = 1; |
8a5a3c82 | 185 | cmdarg = (struct cmdarg *) xmalloc (cmdsize * sizeof (*cmdarg)); |
c906108c SS |
186 | ncmd = 0; |
187 | dirsize = 1; | |
188 | dirarg = (char **) xmalloc (dirsize * sizeof (*dirarg)); | |
189 | ndir = 0; | |
190 | ||
191 | quit_flag = 0; | |
192 | line = (char *) xmalloc (linesize); | |
193 | line[0] = '\0'; /* Terminate saved (now empty) cmd line */ | |
194 | instream = stdin; | |
195 | ||
196 | getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); | |
197 | current_directory = gdb_dirbuf; | |
198 | ||
da59e081 JM |
199 | gdb_stdout = stdio_fileopen (stdout); |
200 | gdb_stderr = stdio_fileopen (stderr); | |
201 | gdb_stdlog = gdb_stderr; /* for moment */ | |
202 | gdb_stdtarg = gdb_stderr; /* for moment */ | |
449092f6 CV |
203 | gdb_stdin = stdio_fileopen (stdin); |
204 | gdb_stdtargerr = gdb_stderr; /* for moment */ | |
205 | gdb_stdtargin = gdb_stdin; /* for moment */ | |
c906108c | 206 | |
030292b7 DJ |
207 | /* Set the sysroot path. */ |
208 | #ifdef TARGET_SYSTEM_ROOT_RELOCATABLE | |
209 | gdb_sysroot = make_relative_prefix (argv[0], BINDIR, TARGET_SYSTEM_ROOT); | |
210 | if (gdb_sysroot) | |
211 | { | |
212 | struct stat s; | |
213 | int res = 0; | |
214 | ||
215 | if (stat (gdb_sysroot, &s) == 0) | |
216 | if (S_ISDIR (s.st_mode)) | |
217 | res = 1; | |
218 | ||
219 | if (res == 0) | |
220 | { | |
a84d24ee | 221 | xfree (gdb_sysroot); |
aa28a74e | 222 | gdb_sysroot = xstrdup (TARGET_SYSTEM_ROOT); |
030292b7 DJ |
223 | } |
224 | } | |
225 | else | |
aa28a74e | 226 | gdb_sysroot = xstrdup (TARGET_SYSTEM_ROOT); |
030292b7 | 227 | #else |
aa28a74e | 228 | gdb_sysroot = xstrdup (TARGET_SYSTEM_ROOT); |
030292b7 | 229 | #endif |
aa28a74e DJ |
230 | |
231 | /* Canonicalize the sysroot path. */ | |
232 | if (*gdb_sysroot) | |
233 | { | |
234 | char *canon_sysroot = lrealpath (gdb_sysroot); | |
235 | if (canon_sysroot) | |
236 | { | |
237 | xfree (gdb_sysroot); | |
238 | gdb_sysroot = canon_sysroot; | |
239 | } | |
240 | } | |
241 | ||
242 | #ifdef DEBUGDIR_RELOCATABLE | |
243 | debug_file_directory = make_relative_prefix (argv[0], BINDIR, DEBUGDIR); | |
244 | if (debug_file_directory) | |
245 | { | |
246 | struct stat s; | |
247 | int res = 0; | |
248 | ||
249 | if (stat (debug_file_directory, &s) == 0) | |
250 | if (S_ISDIR (s.st_mode)) | |
251 | res = 1; | |
252 | ||
253 | if (res == 0) | |
254 | { | |
255 | xfree (debug_file_directory); | |
256 | debug_file_directory = xstrdup (DEBUGDIR); | |
257 | } | |
258 | } | |
259 | else | |
260 | debug_file_directory = xstrdup (DEBUGDIR); | |
261 | #else | |
262 | debug_file_directory = xstrdup (DEBUGDIR); | |
030292b7 DJ |
263 | #endif |
264 | ||
aa28a74e DJ |
265 | /* Canonicalize the debugfile path. */ |
266 | if (*debug_file_directory) | |
267 | { | |
268 | char *canon_debug = lrealpath (debug_file_directory); | |
269 | if (canon_debug) | |
270 | { | |
271 | xfree (debug_file_directory); | |
272 | debug_file_directory = canon_debug; | |
273 | } | |
274 | } | |
275 | ||
4389a95a | 276 | /* There will always be an interpreter. Either the one passed into |
e46e5ccd KS |
277 | this captured main, or one specified by the user at start up, or |
278 | the console. Initialize the interpreter to the one requested by | |
279 | the application. */ | |
280 | interpreter_p = xstrdup (context->interpreter_p); | |
4389a95a | 281 | |
c906108c SS |
282 | /* Parse arguments and options. */ |
283 | { | |
284 | int c; | |
285 | /* When var field is 0, use flag field to record the equivalent | |
286 | short option (or arbitrary numbers starting at 10 for those | |
287 | with no equivalent). */ | |
49c7e338 AC |
288 | enum { |
289 | OPT_SE = 10, | |
290 | OPT_CD, | |
291 | OPT_ANNOTATE, | |
292 | OPT_STATISTICS, | |
42fa7c0f AC |
293 | OPT_TUI, |
294 | OPT_NOWINDOWS, | |
295 | OPT_WINDOWS | |
49c7e338 | 296 | }; |
c906108c | 297 | static struct option long_options[] = |
c5aa993b | 298 | { |
49c7e338 | 299 | {"tui", no_argument, 0, OPT_TUI}, |
c5aa993b JM |
300 | {"xdb", no_argument, &xdb_commands, 1}, |
301 | {"dbx", no_argument, &dbx_commands, 1}, | |
302 | {"readnow", no_argument, &readnow_symbol_files, 1}, | |
303 | {"r", no_argument, &readnow_symbol_files, 1}, | |
c5aa993b JM |
304 | {"quiet", no_argument, &quiet, 1}, |
305 | {"q", no_argument, &quiet, 1}, | |
306 | {"silent", no_argument, &quiet, 1}, | |
307 | {"nx", no_argument, &inhibit_gdbinit, 1}, | |
308 | {"n", no_argument, &inhibit_gdbinit, 1}, | |
1a088d06 | 309 | {"batch-silent", no_argument, 0, 'B'}, |
c5aa993b JM |
310 | {"batch", no_argument, &batch, 1}, |
311 | {"epoch", no_argument, &epoch_interface, 1}, | |
312 | ||
313 | /* This is a synonym for "--annotate=1". --annotate is now preferred, | |
314 | but keep this here for a long time because people will be running | |
315 | emacses which use --fullname. */ | |
316 | {"fullname", no_argument, 0, 'f'}, | |
317 | {"f", no_argument, 0, 'f'}, | |
318 | ||
49c7e338 | 319 | {"annotate", required_argument, 0, OPT_ANNOTATE}, |
c5aa993b | 320 | {"help", no_argument, &print_help, 1}, |
49c7e338 | 321 | {"se", required_argument, 0, OPT_SE}, |
c5aa993b JM |
322 | {"symbols", required_argument, 0, 's'}, |
323 | {"s", required_argument, 0, 's'}, | |
324 | {"exec", required_argument, 0, 'e'}, | |
325 | {"e", required_argument, 0, 'e'}, | |
326 | {"core", required_argument, 0, 'c'}, | |
327 | {"c", required_argument, 0, 'c'}, | |
00546b04 MS |
328 | {"pid", required_argument, 0, 'p'}, |
329 | {"p", required_argument, 0, 'p'}, | |
c5aa993b | 330 | {"command", required_argument, 0, 'x'}, |
8a5a3c82 | 331 | {"eval-command", required_argument, 0, 'X'}, |
c5aa993b JM |
332 | {"version", no_argument, &print_version, 1}, |
333 | {"x", required_argument, 0, 'x'}, | |
8a5a3c82 | 334 | {"ex", required_argument, 0, 'X'}, |
3fc11d3e JM |
335 | #ifdef GDBTK |
336 | {"tclcommand", required_argument, 0, 'z'}, | |
337 | {"enable-external-editor", no_argument, 0, 'y'}, | |
338 | {"editor-command", required_argument, 0, 'w'}, | |
339 | #endif | |
8b93c638 JM |
340 | {"ui", required_argument, 0, 'i'}, |
341 | {"interpreter", required_argument, 0, 'i'}, | |
342 | {"i", required_argument, 0, 'i'}, | |
c5aa993b | 343 | {"directory", required_argument, 0, 'd'}, |
c4093a6a | 344 | {"d", required_argument, 0, 'd'}, |
49c7e338 | 345 | {"cd", required_argument, 0, OPT_CD}, |
c5aa993b JM |
346 | {"tty", required_argument, 0, 't'}, |
347 | {"baud", required_argument, 0, 'b'}, | |
348 | {"b", required_argument, 0, 'b'}, | |
42fa7c0f AC |
349 | {"nw", no_argument, NULL, OPT_NOWINDOWS}, |
350 | {"nowindows", no_argument, NULL, OPT_NOWINDOWS}, | |
351 | {"w", no_argument, NULL, OPT_WINDOWS}, | |
352 | {"windows", no_argument, NULL, OPT_WINDOWS}, | |
49c7e338 | 353 | {"statistics", no_argument, 0, OPT_STATISTICS}, |
c5aa993b | 354 | {"write", no_argument, &write_files, 1}, |
552c04a7 | 355 | {"args", no_argument, &set_args, 1}, |
f47b1503 | 356 | {"l", required_argument, 0, 'l'}, |
4b0ad762 | 357 | {"return-child-result", no_argument, &return_child_result, 1}, |
c5aa993b JM |
358 | {0, no_argument, 0, 0} |
359 | }; | |
c906108c SS |
360 | |
361 | while (1) | |
362 | { | |
363 | int option_index; | |
364 | ||
365 | c = getopt_long_only (argc, argv, "", | |
366 | long_options, &option_index); | |
552c04a7 | 367 | if (c == EOF || set_args) |
c906108c SS |
368 | break; |
369 | ||
370 | /* Long option that takes an argument. */ | |
371 | if (c == 0 && long_options[option_index].flag == 0) | |
372 | c = long_options[option_index].val; | |
373 | ||
374 | switch (c) | |
375 | { | |
376 | case 0: | |
377 | /* Long option that just sets a flag. */ | |
378 | break; | |
49c7e338 | 379 | case OPT_SE: |
c906108c SS |
380 | symarg = optarg; |
381 | execarg = optarg; | |
382 | break; | |
49c7e338 | 383 | case OPT_CD: |
c906108c SS |
384 | cdarg = optarg; |
385 | break; | |
49c7e338 | 386 | case OPT_ANNOTATE: |
c906108c SS |
387 | /* FIXME: what if the syntax is wrong (e.g. not digits)? */ |
388 | annotation_level = atoi (optarg); | |
389 | break; | |
49c7e338 | 390 | case OPT_STATISTICS: |
c906108c SS |
391 | /* Enable the display of both time and space usage. */ |
392 | display_time = 1; | |
393 | display_space = 1; | |
394 | break; | |
49c7e338 | 395 | case OPT_TUI: |
021e7609 | 396 | /* --tui is equivalent to -i=tui. */ |
b0da54f1 | 397 | #ifdef TUI |
021e7609 | 398 | xfree (interpreter_p); |
cc4349ed | 399 | interpreter_p = xstrdup (INTERP_TUI); |
b0da54f1 BW |
400 | #else |
401 | fprintf_unfiltered (gdb_stderr, | |
402 | _("%s: TUI mode is not supported\n"), | |
403 | argv[0]); | |
404 | exit (1); | |
405 | #endif | |
021e7609 | 406 | break; |
42fa7c0f AC |
407 | case OPT_WINDOWS: |
408 | /* FIXME: cagney/2003-03-01: Not sure if this option is | |
409 | actually useful, and if it is, what it should do. */ | |
cc4349ed AS |
410 | #ifdef GDBTK |
411 | /* --windows is equivalent to -i=insight. */ | |
412 | xfree (interpreter_p); | |
413 | interpreter_p = xstrdup (INTERP_INSIGHT); | |
414 | #endif | |
42fa7c0f AC |
415 | use_windows = 1; |
416 | break; | |
417 | case OPT_NOWINDOWS: | |
418 | /* -nw is equivalent to -i=console. */ | |
419 | xfree (interpreter_p); | |
420 | interpreter_p = xstrdup (INTERP_CONSOLE); | |
421 | use_windows = 0; | |
422 | break; | |
c906108c SS |
423 | case 'f': |
424 | annotation_level = 1; | |
425 | /* We have probably been invoked from emacs. Disable window interface. */ | |
426 | use_windows = 0; | |
427 | break; | |
428 | case 's': | |
429 | symarg = optarg; | |
430 | break; | |
431 | case 'e': | |
432 | execarg = optarg; | |
433 | break; | |
434 | case 'c': | |
435 | corearg = optarg; | |
436 | break; | |
00546b04 MS |
437 | case 'p': |
438 | /* "corearg" is shared by "--core" and "--pid" */ | |
439 | corearg = optarg; | |
440 | break; | |
c906108c | 441 | case 'x': |
8a5a3c82 AS |
442 | cmdarg[ncmd].type = CMDARG_FILE; |
443 | cmdarg[ncmd++].string = optarg; | |
444 | if (ncmd >= cmdsize) | |
445 | { | |
446 | cmdsize *= 2; | |
447 | cmdarg = xrealloc ((char *) cmdarg, | |
448 | cmdsize * sizeof (*cmdarg)); | |
449 | } | |
450 | break; | |
451 | case 'X': | |
452 | cmdarg[ncmd].type = CMDARG_COMMAND; | |
453 | cmdarg[ncmd++].string = optarg; | |
c906108c SS |
454 | if (ncmd >= cmdsize) |
455 | { | |
456 | cmdsize *= 2; | |
8a5a3c82 AS |
457 | cmdarg = xrealloc ((char *) cmdarg, |
458 | cmdsize * sizeof (*cmdarg)); | |
c906108c SS |
459 | } |
460 | break; | |
1a088d06 AS |
461 | case 'B': |
462 | batch = batch_silent = 1; | |
463 | gdb_stdout = ui_file_new(); | |
464 | break; | |
3fc11d3e JM |
465 | #ifdef GDBTK |
466 | case 'z': | |
467 | { | |
a14ed312 | 468 | extern int gdbtk_test (char *); |
3fc11d3e JM |
469 | if (!gdbtk_test (optarg)) |
470 | { | |
defc6f8c | 471 | fprintf_unfiltered (gdb_stderr, _("%s: unable to load tclcommand file \"%s\""), |
3fc11d3e JM |
472 | argv[0], optarg); |
473 | exit (1); | |
474 | } | |
475 | break; | |
476 | } | |
477 | case 'y': | |
78f49586 TT |
478 | /* Backwards compatibility only. */ |
479 | break; | |
3fc11d3e JM |
480 | case 'w': |
481 | { | |
3fc11d3e JM |
482 | external_editor_command = xstrdup (optarg); |
483 | break; | |
484 | } | |
485 | #endif /* GDBTK */ | |
fb40c209 | 486 | case 'i': |
4389a95a AC |
487 | xfree (interpreter_p); |
488 | interpreter_p = xstrdup (optarg); | |
fb40c209 | 489 | break; |
c906108c SS |
490 | case 'd': |
491 | dirarg[ndir++] = optarg; | |
492 | if (ndir >= dirsize) | |
493 | { | |
494 | dirsize *= 2; | |
c5aa993b | 495 | dirarg = (char **) xrealloc ((char *) dirarg, |
c906108c SS |
496 | dirsize * sizeof (*dirarg)); |
497 | } | |
498 | break; | |
499 | case 't': | |
500 | ttyarg = optarg; | |
501 | break; | |
502 | case 'q': | |
503 | quiet = 1; | |
504 | break; | |
505 | case 'b': | |
506 | { | |
507 | int i; | |
508 | char *p; | |
509 | ||
510 | i = strtol (optarg, &p, 0); | |
511 | if (i == 0 && p == optarg) | |
512 | ||
513 | /* Don't use *_filtered or warning() (which relies on | |
c5aa993b | 514 | current_target) until after initialize_all_files(). */ |
c906108c SS |
515 | |
516 | fprintf_unfiltered | |
517 | (gdb_stderr, | |
defc6f8c | 518 | _("warning: could not set baud rate to `%s'.\n"), optarg); |
c906108c SS |
519 | else |
520 | baud_rate = i; | |
521 | } | |
046ca86a | 522 | break; |
c906108c SS |
523 | case 'l': |
524 | { | |
525 | int i; | |
526 | char *p; | |
527 | ||
528 | i = strtol (optarg, &p, 0); | |
529 | if (i == 0 && p == optarg) | |
530 | ||
531 | /* Don't use *_filtered or warning() (which relies on | |
c5aa993b | 532 | current_target) until after initialize_all_files(). */ |
c906108c SS |
533 | |
534 | fprintf_unfiltered | |
535 | (gdb_stderr, | |
defc6f8c | 536 | _("warning: could not set timeout limit to `%s'.\n"), optarg); |
c906108c SS |
537 | else |
538 | remote_timeout = i; | |
539 | } | |
540 | break; | |
541 | ||
c906108c SS |
542 | case '?': |
543 | fprintf_unfiltered (gdb_stderr, | |
defc6f8c | 544 | _("Use `%s --help' for a complete list of options.\n"), |
c5aa993b | 545 | argv[0]); |
c906108c SS |
546 | exit (1); |
547 | } | |
548 | } | |
549 | ||
550 | /* If --help or --version, disable window interface. */ | |
551 | if (print_help || print_version) | |
552 | { | |
553 | use_windows = 0; | |
c906108c SS |
554 | } |
555 | ||
552c04a7 TT |
556 | if (set_args) |
557 | { | |
558 | /* The remaining options are the command-line options for the | |
559 | inferior. The first one is the sym/exec file, and the rest | |
560 | are arguments. */ | |
561 | if (optind >= argc) | |
562 | { | |
563 | fprintf_unfiltered (gdb_stderr, | |
defc6f8c | 564 | _("%s: `--args' specified but no program specified\n"), |
552c04a7 TT |
565 | argv[0]); |
566 | exit (1); | |
567 | } | |
568 | symarg = argv[optind]; | |
569 | execarg = argv[optind]; | |
570 | ++optind; | |
571 | set_inferior_args_vector (argc - optind, &argv[optind]); | |
572 | } | |
573 | else | |
574 | { | |
575 | /* OK, that's all the options. The other arguments are filenames. */ | |
576 | count = 0; | |
577 | for (; optind < argc; optind++) | |
578 | switch (++count) | |
579 | { | |
580 | case 1: | |
581 | symarg = argv[optind]; | |
582 | execarg = argv[optind]; | |
583 | break; | |
584 | case 2: | |
00546b04 MS |
585 | /* The documentation says this can be a "ProcID" as well. |
586 | We will try it as both a corefile and a pid. */ | |
552c04a7 TT |
587 | corearg = argv[optind]; |
588 | break; | |
589 | case 3: | |
590 | fprintf_unfiltered (gdb_stderr, | |
defc6f8c | 591 | _("Excess command line arguments ignored. (%s%s)\n"), |
552c04a7 TT |
592 | argv[optind], (optind == argc - 1) ? "" : " ..."); |
593 | break; | |
594 | } | |
595 | } | |
c906108c SS |
596 | if (batch) |
597 | quiet = 1; | |
598 | } | |
599 | ||
0f71a2f6 | 600 | /* Initialize all files. Give the interpreter a chance to take |
ba5e7e8d | 601 | control of the console via the deprecated_init_ui_hook (). */ |
c906108c SS |
602 | gdb_init (argv[0]); |
603 | ||
604 | /* Do these (and anything which might call wrap_here or *_filtered) | |
4389a95a AC |
605 | after initialize_all_files() but before the interpreter has been |
606 | installed. Otherwize the help/version messages will be eaten by | |
607 | the interpreter's output handler. */ | |
608 | ||
c906108c SS |
609 | if (print_version) |
610 | { | |
611 | print_gdb_version (gdb_stdout); | |
612 | wrap_here (""); | |
613 | printf_filtered ("\n"); | |
614 | exit (0); | |
615 | } | |
616 | ||
617 | if (print_help) | |
618 | { | |
619 | print_gdb_help (gdb_stdout); | |
620 | fputs_unfiltered ("\n", gdb_stdout); | |
621 | exit (0); | |
622 | } | |
623 | ||
4389a95a AC |
624 | /* FIXME: cagney/2003-02-03: The big hack (part 1 of 2) that lets |
625 | GDB retain the old MI1 interpreter startup behavior. Output the | |
626 | copyright message before the interpreter is installed. That way | |
627 | it isn't encapsulated in MI output. */ | |
628 | if (!quiet && strcmp (interpreter_p, INTERP_MI1) == 0) | |
629 | { | |
630 | /* Print all the junk at the top, with trailing "..." if we are about | |
631 | to read a symbol file (possibly slowly). */ | |
632 | print_gdb_version (gdb_stdout); | |
633 | if (symarg) | |
634 | printf_filtered (".."); | |
635 | wrap_here (""); | |
e896d70e | 636 | printf_filtered ("\n"); |
4389a95a AC |
637 | gdb_flush (gdb_stdout); /* Force to screen during slow operations */ |
638 | } | |
639 | ||
640 | ||
641 | /* Install the default UI. All the interpreters should have had a | |
642 | look at things by now. Initialize the default interpreter. */ | |
643 | ||
644 | { | |
645 | /* Find it. */ | |
646 | struct interp *interp = interp_lookup (interpreter_p); | |
647 | if (interp == NULL) | |
8a3fe4f8 | 648 | error (_("Interpreter `%s' unrecognized"), interpreter_p); |
4389a95a AC |
649 | /* Install it. */ |
650 | if (!interp_set (interp)) | |
651 | { | |
652 | fprintf_unfiltered (gdb_stderr, | |
653 | "Interpreter `%s' failed to initialize.\n", | |
654 | interpreter_p); | |
655 | exit (1); | |
656 | } | |
657 | } | |
658 | ||
659 | /* FIXME: cagney/2003-02-03: The big hack (part 2 of 2) that lets | |
660 | GDB retain the old MI1 interpreter startup behavior. Output the | |
661 | copyright message after the interpreter is installed when it is | |
662 | any sane interpreter. */ | |
663 | if (!quiet && !current_interp_named_p (INTERP_MI1)) | |
c906108c SS |
664 | { |
665 | /* Print all the junk at the top, with trailing "..." if we are about | |
c5aa993b | 666 | to read a symbol file (possibly slowly). */ |
c906108c SS |
667 | print_gdb_version (gdb_stdout); |
668 | if (symarg) | |
669 | printf_filtered (".."); | |
c5aa993b | 670 | wrap_here (""); |
e896d70e | 671 | printf_filtered ("\n"); |
c5aa993b | 672 | gdb_flush (gdb_stdout); /* Force to screen during slow operations */ |
c906108c SS |
673 | } |
674 | ||
e896d70e DJ |
675 | /* Set off error and warning messages with a blank line. */ |
676 | error_pre_print = "\n"; | |
c906108c | 677 | quit_pre_print = error_pre_print; |
defc6f8c | 678 | warning_pre_print = _("\nwarning: "); |
c906108c SS |
679 | |
680 | /* Read and execute $HOME/.gdbinit file, if it exists. This is done | |
681 | *before* all the command line arguments are processed; it sets | |
682 | global parameters, which are independent of what file you are | |
683 | debugging or what directory you are in. */ | |
c5aa993b | 684 | homedir = getenv ("HOME"); |
c906108c SS |
685 | if (homedir) |
686 | { | |
7509373f | 687 | char *homeinit = xstrprintf ("%s/%s", homedir, gdbinit); |
c906108c SS |
688 | |
689 | if (!inhibit_gdbinit) | |
690 | { | |
16026cd7 | 691 | catch_command_errors (source_script, homeinit, 0, RETURN_MASK_ALL); |
c906108c | 692 | } |
c906108c SS |
693 | |
694 | /* Do stats; no need to do them elsewhere since we'll only | |
c5aa993b JM |
695 | need them if homedir is set. Make sure that they are |
696 | zero in case one of them fails (this guarantees that they | |
697 | won't match if either exists). */ | |
698 | ||
c906108c SS |
699 | memset (&homebuf, 0, sizeof (struct stat)); |
700 | memset (&cwdbuf, 0, sizeof (struct stat)); | |
c5aa993b | 701 | |
c906108c | 702 | stat (homeinit, &homebuf); |
c5aa993b JM |
703 | stat (gdbinit, &cwdbuf); /* We'll only need this if |
704 | homedir was set. */ | |
7509373f | 705 | xfree (homeinit); |
c906108c SS |
706 | } |
707 | ||
708 | /* Now perform all the actions indicated by the arguments. */ | |
709 | if (cdarg != NULL) | |
710 | { | |
11cf8741 | 711 | catch_command_errors (cd_command, cdarg, 0, RETURN_MASK_ALL); |
c906108c | 712 | } |
c906108c SS |
713 | |
714 | for (i = 0; i < ndir; i++) | |
13d35ae5 | 715 | catch_command_errors (directory_switch, dirarg[i], 0, RETURN_MASK_ALL); |
b8c9b27d | 716 | xfree (dirarg); |
c906108c SS |
717 | |
718 | if (execarg != NULL | |
719 | && symarg != NULL | |
5cb316ef | 720 | && strcmp (execarg, symarg) == 0) |
c906108c | 721 | { |
11cf8741 JM |
722 | /* The exec file and the symbol-file are the same. If we can't |
723 | open it, better only print one error message. | |
724 | catch_command_errors returns non-zero on success! */ | |
1adeb98a FN |
725 | if (catch_command_errors (exec_file_attach, execarg, !batch, RETURN_MASK_ALL)) |
726 | catch_command_errors (symbol_file_add_main, symarg, 0, RETURN_MASK_ALL); | |
c906108c SS |
727 | } |
728 | else | |
729 | { | |
730 | if (execarg != NULL) | |
1adeb98a | 731 | catch_command_errors (exec_file_attach, execarg, !batch, RETURN_MASK_ALL); |
c906108c | 732 | if (symarg != NULL) |
1adeb98a | 733 | catch_command_errors (symbol_file_add_main, symarg, 0, RETURN_MASK_ALL); |
c906108c | 734 | } |
c906108c | 735 | |
c906108c SS |
736 | if (corearg != NULL) |
737 | { | |
00546b04 MS |
738 | /* corearg may be either a corefile or a pid. |
739 | If its first character is a digit, try attach first | |
740 | and then corefile. Otherwise try corefile first. */ | |
741 | ||
742 | if (isdigit (corearg[0])) | |
11cf8741 | 743 | { |
00546b04 MS |
744 | if (catch_command_errors (attach_command, corearg, |
745 | !batch, RETURN_MASK_ALL) == 0) | |
746 | catch_command_errors (core_file_command, corearg, | |
747 | !batch, RETURN_MASK_ALL); | |
11cf8741 | 748 | } |
00546b04 MS |
749 | else /* Can't be a pid, better be a corefile. */ |
750 | catch_command_errors (core_file_command, corearg, | |
751 | !batch, RETURN_MASK_ALL); | |
c906108c | 752 | } |
c906108c SS |
753 | |
754 | if (ttyarg != NULL) | |
11cf8741 | 755 | catch_command_errors (tty_command, ttyarg, !batch, RETURN_MASK_ALL); |
c906108c | 756 | |
c906108c SS |
757 | /* Error messages should no longer be distinguished with extra output. */ |
758 | error_pre_print = NULL; | |
759 | quit_pre_print = NULL; | |
defc6f8c | 760 | warning_pre_print = _("warning: "); |
c906108c SS |
761 | |
762 | /* Read the .gdbinit file in the current directory, *if* it isn't | |
763 | the same as the $HOME/.gdbinit file (it should exist, also). */ | |
c5aa993b | 764 | |
c906108c SS |
765 | if (!homedir |
766 | || memcmp ((char *) &homebuf, (char *) &cwdbuf, sizeof (struct stat))) | |
767 | if (!inhibit_gdbinit) | |
768 | { | |
16026cd7 | 769 | catch_command_errors (source_script, gdbinit, 0, RETURN_MASK_ALL); |
c906108c | 770 | } |
c906108c SS |
771 | |
772 | for (i = 0; i < ncmd; i++) | |
773 | { | |
11cf8741 JM |
774 | #if 0 |
775 | /* NOTE: cagney/1999-11-03: SET_TOP_LEVEL() was a macro that | |
776 | expanded into a call to setjmp(). */ | |
777 | if (!SET_TOP_LEVEL ()) /* NB: This is #if 0'd out */ | |
c906108c | 778 | { |
b83266a0 SS |
779 | /* NOTE: I am commenting this out, because it is not clear |
780 | where this feature is used. It is very old and | |
c5aa993b | 781 | undocumented. ezannoni: 1999-05-04 */ |
b83266a0 | 782 | #if 0 |
c906108c SS |
783 | if (cmdarg[i][0] == '-' && cmdarg[i][1] == '\0') |
784 | read_command_file (stdin); | |
785 | else | |
b83266a0 | 786 | #endif |
16026cd7 | 787 | source_script (cmdarg[i], !batch); |
c906108c SS |
788 | do_cleanups (ALL_CLEANUPS); |
789 | } | |
11cf8741 | 790 | #endif |
8a5a3c82 | 791 | if (cmdarg[i].type == CMDARG_FILE) |
16026cd7 | 792 | catch_command_errors (source_script, cmdarg[i].string, |
8a5a3c82 AS |
793 | !batch, RETURN_MASK_ALL); |
794 | else /* cmdarg[i].type == CMDARG_COMMAND */ | |
795 | catch_command_errors (execute_command, cmdarg[i].string, | |
796 | !batch, RETURN_MASK_ALL); | |
c906108c | 797 | } |
b8c9b27d | 798 | xfree (cmdarg); |
c906108c SS |
799 | |
800 | /* Read in the old history after all the command files have been read. */ | |
c5aa993b | 801 | init_history (); |
c906108c SS |
802 | |
803 | if (batch) | |
804 | { | |
805 | /* We have hit the end of the batch file. */ | |
4b0ad762 | 806 | quit_force (NULL, 0); |
c906108c SS |
807 | } |
808 | ||
809 | /* Do any host- or target-specific hacks. This is used for i960 targets | |
810 | to force the user to set a nindy target and spec its parameters. */ | |
811 | ||
812 | #ifdef BEFORE_MAIN_LOOP_HOOK | |
813 | BEFORE_MAIN_LOOP_HOOK; | |
814 | #endif | |
815 | ||
c906108c SS |
816 | /* Show time and/or space usage. */ |
817 | ||
818 | if (display_time) | |
819 | { | |
820 | long init_time = get_run_time () - time_at_startup; | |
821 | ||
defc6f8c | 822 | printf_unfiltered (_("Startup time: %ld.%06ld\n"), |
c906108c SS |
823 | init_time / 1000000, init_time % 1000000); |
824 | } | |
825 | ||
826 | if (display_space) | |
827 | { | |
828 | #ifdef HAVE_SBRK | |
829 | extern char **environ; | |
830 | char *lim = (char *) sbrk (0); | |
831 | ||
defc6f8c | 832 | printf_unfiltered (_("Startup size: data size %ld\n"), |
c906108c SS |
833 | (long) (lim - (char *) &environ)); |
834 | #endif | |
835 | } | |
836 | ||
11cf8741 JM |
837 | #if 0 |
838 | /* FIXME: cagney/1999-11-06: The original main loop was like: */ | |
c906108c SS |
839 | while (1) |
840 | { | |
841 | if (!SET_TOP_LEVEL ()) | |
842 | { | |
c5aa993b | 843 | do_cleanups (ALL_CLEANUPS); /* Do complete cleanup */ |
ba5e7e8d MS |
844 | /* GUIs generally have their own command loop, mainloop, or |
845 | whatever. This is a good place to gain control because | |
846 | many error conditions will end up here via longjmp(). */ | |
9a4105ab AC |
847 | if (deprecated_command_loop_hook) |
848 | deprecated_command_loop_hook (); | |
c906108c | 849 | else |
9a4105ab | 850 | deprecated_command_loop (); |
c5aa993b | 851 | quit_command ((char *) 0, instream == stdin); |
c906108c SS |
852 | } |
853 | } | |
11cf8741 JM |
854 | /* NOTE: If the command_loop() returned normally, the loop would |
855 | attempt to exit by calling the function quit_command(). That | |
856 | function would either call exit() or throw an error returning | |
857 | control to SET_TOP_LEVEL. */ | |
858 | /* NOTE: The function do_cleanups() was called once each time round | |
859 | the loop. The usefulness of the call isn't clear. If an error | |
860 | was thrown, everything would have already been cleaned up. If | |
861 | command_loop() returned normally and quit_command() was called, | |
862 | either exit() or error() (again cleaning up) would be called. */ | |
863 | #endif | |
864 | /* NOTE: cagney/1999-11-07: There is probably no reason for not | |
865 | moving this loop and the code found in captured_command_loop() | |
866 | into the command_loop() proper. The main thing holding back that | |
867 | change - SET_TOP_LEVEL() - has been eliminated. */ | |
868 | while (1) | |
869 | { | |
870 | catch_errors (captured_command_loop, 0, "", RETURN_MASK_ALL); | |
871 | } | |
11cf8741 JM |
872 | /* No exit -- exit is through quit_command. */ |
873 | } | |
c906108c | 874 | |
11cf8741 | 875 | int |
f15ab4a7 | 876 | gdb_main (struct captured_main_args *args) |
11cf8741 | 877 | { |
f15ab4a7 AC |
878 | use_windows = args->use_windows; |
879 | catch_errors (captured_main, args, "", RETURN_MASK_ALL); | |
864dbc90 AC |
880 | /* The only way to end up here is by an error (normal exit is |
881 | handled by quit_force()), hence always return an error status. */ | |
882 | return 1; | |
c906108c SS |
883 | } |
884 | ||
11cf8741 | 885 | |
c906108c SS |
886 | /* Don't use *_filtered for printing help. We don't want to prompt |
887 | for continue no matter how small the screen or how much we're going | |
888 | to print. */ | |
889 | ||
890 | static void | |
d9fcf2fb | 891 | print_gdb_help (struct ui_file *stream) |
c906108c | 892 | { |
defc6f8c | 893 | fputs_unfiltered (_("\ |
c906108c | 894 | This is the GNU debugger. Usage:\n\n\ |
552c04a7 TT |
895 | gdb [options] [executable-file [core-file or process-id]]\n\ |
896 | gdb [options] --args executable-file [inferior-arguments ...]\n\n\ | |
c906108c | 897 | Options:\n\n\ |
defc6f8c TT |
898 | "), stream); |
899 | fputs_unfiltered (_("\ | |
552c04a7 | 900 | --args Arguments after executable-file are passed to inferior\n\ |
defc6f8c TT |
901 | "), stream); |
902 | fputs_unfiltered (_("\ | |
c906108c SS |
903 | -b BAUDRATE Set serial port baud rate used for remote debugging.\n\ |
904 | --batch Exit after processing options.\n\ | |
1a088d06 | 905 | --batch-silent As for --batch, but suppress all gdb stdout output.\n\ |
4b0ad762 AS |
906 | --return-child-result\n\ |
907 | GDB exit code will be the child's exit code.\n\ | |
c906108c | 908 | --cd=DIR Change current directory to DIR.\n\ |
8a5a3c82 AS |
909 | --command=FILE, -x Execute GDB commands from FILE.\n\ |
910 | --eval-command=COMMAND, -ex\n\ | |
911 | Execute a single GDB command.\n\ | |
912 | May be used multiple times and in conjunction\n\ | |
913 | with --command.\n\ | |
c906108c | 914 | --core=COREFILE Analyze the core dump COREFILE.\n\ |
00546b04 | 915 | --pid=PID Attach to running process PID.\n\ |
defc6f8c TT |
916 | "), stream); |
917 | fputs_unfiltered (_("\ | |
c906108c SS |
918 | --dbx DBX compatibility mode.\n\ |
919 | --directory=DIR Search for source files in DIR.\n\ | |
920 | --epoch Output information used by epoch emacs-GDB interface.\n\ | |
921 | --exec=EXECFILE Use EXECFILE as the executable.\n\ | |
922 | --fullname Output information used by emacs-GDB interface.\n\ | |
923 | --help Print this message.\n\ | |
defc6f8c TT |
924 | "), stream); |
925 | fputs_unfiltered (_("\ | |
8b93c638 JM |
926 | --interpreter=INTERP\n\ |
927 | Select a specific interpreter / user interface\n\ | |
defc6f8c TT |
928 | "), stream); |
929 | fputs_unfiltered (_("\ | |
f47b1503 | 930 | -l TIMEOUT Set timeout in seconds for remote debugging.\n\ |
c906108c | 931 | --nw Do not use a window interface.\n\ |
defc6f8c | 932 | --nx Do not read "), stream); |
96baa820 | 933 | fputs_unfiltered (gdbinit, stream); |
defc6f8c | 934 | fputs_unfiltered (_(" file.\n\ |
c906108c SS |
935 | --quiet Do not print version number on startup.\n\ |
936 | --readnow Fully read symbol files on first access.\n\ | |
defc6f8c TT |
937 | "), stream); |
938 | fputs_unfiltered (_("\ | |
c906108c SS |
939 | --se=FILE Use FILE as symbol file and executable file.\n\ |
940 | --symbols=SYMFILE Read symbols from SYMFILE.\n\ | |
941 | --tty=TTY Use TTY for input/output by the program being debugged.\n\ | |
defc6f8c | 942 | "), stream); |
c906108c | 943 | #if defined(TUI) |
defc6f8c | 944 | fputs_unfiltered (_("\ |
c906108c | 945 | --tui Use a terminal user interface.\n\ |
defc6f8c | 946 | "), stream); |
c906108c | 947 | #endif |
defc6f8c | 948 | fputs_unfiltered (_("\ |
c906108c SS |
949 | --version Print version information and then exit.\n\ |
950 | -w Use a window interface.\n\ | |
951 | --write Set writing into executable and core files.\n\ | |
952 | --xdb XDB compatibility mode.\n\ | |
defc6f8c | 953 | "), stream); |
defc6f8c | 954 | fputs_unfiltered (_("\n\ |
c906108c SS |
955 | For more information, type \"help\" from within GDB, or consult the\n\ |
956 | GDB manual (available as on-line info or a printed manual).\n\ | |
2df3850c | 957 | Report bugs to \"bug-gdb@gnu.org\".\ |
defc6f8c | 958 | "), stream); |
c906108c | 959 | } |