Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Top level stuff for GDB, the GNU debugger. |
4389a95a AC |
2 | |
3 | Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, | |
4 | 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Free Software | |
5 | 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 | |
11 | the Free Software Foundation; either version 2 of the License, or | |
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 JM |
19 | You should have received a copy of the GNU General Public License |
20 | along with this program; if not, write to the Free Software | |
21 | Foundation, Inc., 59 Temple Place - Suite 330, | |
22 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
23 | |
24 | #include "defs.h" | |
c906108c SS |
25 | #include "top.h" |
26 | #include "target.h" | |
27 | #include "inferior.h" | |
1adeb98a FN |
28 | #include "symfile.h" |
29 | #include "gdbcore.h" | |
c906108c SS |
30 | |
31 | #include "getopt.h" | |
32 | ||
33 | #include <sys/types.h> | |
34 | #include "gdb_stat.h" | |
35 | #include <ctype.h> | |
36 | ||
37 | #include "gdb_string.h" | |
9e0b60a8 | 38 | #include "event-loop.h" |
8b93c638 | 39 | #include "ui-out.h" |
6457bd47 | 40 | |
4389a95a | 41 | #include "interps.h" |
f15ab4a7 AC |
42 | #include "main.h" |
43 | ||
c906108c SS |
44 | /* If nonzero, display time usage both at startup and for each command. */ |
45 | ||
46 | int display_time; | |
47 | ||
48 | /* If nonzero, display space usage both at startup and for each command. */ | |
49 | ||
50 | int display_space; | |
51 | ||
cd0fc7c3 | 52 | /* Whether this is the async version or not. The async version is |
c5aa993b JM |
53 | invoked on the command line with the -nw --async options. In this |
54 | version, the usual command_loop is substituted by and event loop which | |
55 | processes UI events asynchronously. */ | |
6426a772 | 56 | int event_loop_p = 1; |
cd0fc7c3 | 57 | |
4389a95a AC |
58 | /* The selected interpreter. This will be used as a set command |
59 | variable, so it should always be malloc'ed - since | |
60 | do_setshow_command will free it. */ | |
fb40c209 | 61 | char *interpreter_p; |
fb40c209 | 62 | |
c906108c SS |
63 | /* Whether this is the command line version or not */ |
64 | int tui_version = 0; | |
65 | ||
66 | /* Whether xdb commands will be handled */ | |
67 | int xdb_commands = 0; | |
68 | ||
69 | /* Whether dbx commands will be handled */ | |
70 | int dbx_commands = 0; | |
71 | ||
030292b7 DJ |
72 | /* System root path, used to find libraries etc. */ |
73 | char *gdb_sysroot = 0; | |
74 | ||
d9fcf2fb JM |
75 | struct ui_file *gdb_stdout; |
76 | struct ui_file *gdb_stderr; | |
77 | struct ui_file *gdb_stdlog; | |
78 | struct ui_file *gdb_stdtarg; | |
c906108c | 79 | |
2acceee2 JM |
80 | /* Used to initialize error() - defined in utils.c */ |
81 | ||
82 | extern void error_init (void); | |
83 | ||
c906108c SS |
84 | /* Whether to enable writing into executable and core files */ |
85 | extern int write_files; | |
86 | ||
d9fcf2fb | 87 | static void print_gdb_help (struct ui_file *); |
c906108c SS |
88 | |
89 | /* These two are used to set the external editor commands when gdb is farming | |
90 | out files to be edited by another program. */ | |
91 | ||
c5aa993b | 92 | extern char *external_editor_command; |
c906108c | 93 | |
11cf8741 JM |
94 | /* Call command_loop. If it happens to return, pass that through as a |
95 | non-zero return status. */ | |
96 | ||
97 | static int | |
98 | captured_command_loop (void *data) | |
c906108c | 99 | { |
4389a95a | 100 | current_interp_command_loop (); |
11cf8741 JM |
101 | /* FIXME: cagney/1999-11-05: A correct command_loop() implementaton |
102 | would clean things up (restoring the cleanup chain) to the state | |
103 | they were just prior to the call. Technically, this means that | |
e26cc349 | 104 | the do_cleanups() below is redundant. Unfortunately, many FUNCs |
11cf8741 JM |
105 | are not that well behaved. do_cleanups should either be replaced |
106 | with a do_cleanups call (to cover the problem) or an assertion | |
107 | check to detect bad FUNCs code. */ | |
108 | do_cleanups (ALL_CLEANUPS); | |
109 | /* If the command_loop returned, normally (rather than threw an | |
110 | error) we try to quit. If the quit is aborted, catch_errors() | |
111 | which called this catch the signal and restart the command | |
112 | loop. */ | |
113 | quit_command (NULL, instream == stdin); | |
114 | return 1; | |
115 | } | |
116 | ||
11cf8741 JM |
117 | static int |
118 | captured_main (void *data) | |
119 | { | |
120 | struct captured_main_args *context = data; | |
121 | int argc = context->argc; | |
122 | char **argv = context->argv; | |
c906108c SS |
123 | int count; |
124 | static int quiet = 0; | |
125 | static int batch = 0; | |
552c04a7 | 126 | static int set_args = 0; |
c906108c SS |
127 | |
128 | /* Pointers to various arguments from command line. */ | |
129 | char *symarg = NULL; | |
130 | char *execarg = NULL; | |
131 | char *corearg = NULL; | |
132 | char *cdarg = NULL; | |
133 | char *ttyarg = NULL; | |
134 | ||
135 | /* These are static so that we can take their address in an initializer. */ | |
136 | static int print_help; | |
137 | static int print_version; | |
138 | ||
139 | /* Pointers to all arguments of --command option. */ | |
140 | char **cmdarg; | |
141 | /* Allocated size of cmdarg. */ | |
142 | int cmdsize; | |
143 | /* Number of elements of cmdarg used. */ | |
144 | int ncmd; | |
145 | ||
146 | /* Indices of all arguments of --directory option. */ | |
147 | char **dirarg; | |
148 | /* Allocated size. */ | |
149 | int dirsize; | |
150 | /* Number of elements used. */ | |
151 | int ndir; | |
c5aa993b | 152 | |
c906108c SS |
153 | struct stat homebuf, cwdbuf; |
154 | char *homedir, *homeinit; | |
155 | ||
156 | register int i; | |
157 | ||
158 | long time_at_startup = get_run_time (); | |
159 | ||
0fbb3da7 TT |
160 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) |
161 | setlocale (LC_MESSAGES, ""); | |
162 | #endif | |
163 | #if defined (HAVE_SETLOCALE) | |
164 | setlocale (LC_CTYPE, ""); | |
165 | #endif | |
166 | bindtextdomain (PACKAGE, LOCALEDIR); | |
167 | textdomain (PACKAGE); | |
168 | ||
c906108c SS |
169 | START_PROGRESS (argv[0], 0); |
170 | ||
c906108c | 171 | /* This needs to happen before the first use of malloc. */ |
762f08a3 | 172 | init_malloc (NULL); |
c906108c SS |
173 | |
174 | #if defined (ALIGN_STACK_ON_STARTUP) | |
175 | i = (int) &count & 0x3; | |
176 | if (i != 0) | |
177 | alloca (4 - i); | |
178 | #endif | |
179 | ||
c906108c SS |
180 | cmdsize = 1; |
181 | cmdarg = (char **) xmalloc (cmdsize * sizeof (*cmdarg)); | |
182 | ncmd = 0; | |
183 | dirsize = 1; | |
184 | dirarg = (char **) xmalloc (dirsize * sizeof (*dirarg)); | |
185 | ndir = 0; | |
186 | ||
187 | quit_flag = 0; | |
188 | line = (char *) xmalloc (linesize); | |
189 | line[0] = '\0'; /* Terminate saved (now empty) cmd line */ | |
190 | instream = stdin; | |
191 | ||
192 | getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); | |
193 | current_directory = gdb_dirbuf; | |
194 | ||
da59e081 JM |
195 | gdb_stdout = stdio_fileopen (stdout); |
196 | gdb_stderr = stdio_fileopen (stderr); | |
197 | gdb_stdlog = gdb_stderr; /* for moment */ | |
198 | gdb_stdtarg = gdb_stderr; /* for moment */ | |
c906108c | 199 | |
2acceee2 JM |
200 | /* initialize error() */ |
201 | error_init (); | |
202 | ||
030292b7 DJ |
203 | /* Set the sysroot path. */ |
204 | #ifdef TARGET_SYSTEM_ROOT_RELOCATABLE | |
205 | gdb_sysroot = make_relative_prefix (argv[0], BINDIR, TARGET_SYSTEM_ROOT); | |
206 | if (gdb_sysroot) | |
207 | { | |
208 | struct stat s; | |
209 | int res = 0; | |
210 | ||
211 | if (stat (gdb_sysroot, &s) == 0) | |
212 | if (S_ISDIR (s.st_mode)) | |
213 | res = 1; | |
214 | ||
215 | if (res == 0) | |
216 | { | |
a84d24ee | 217 | xfree (gdb_sysroot); |
030292b7 DJ |
218 | gdb_sysroot = TARGET_SYSTEM_ROOT; |
219 | } | |
220 | } | |
221 | else | |
222 | gdb_sysroot = TARGET_SYSTEM_ROOT; | |
223 | #else | |
224 | #if defined (TARGET_SYSTEM_ROOT) | |
225 | gdb_sysroot = TARGET_SYSTEM_ROOT; | |
226 | #else | |
227 | gdb_sysroot = ""; | |
228 | #endif | |
229 | #endif | |
230 | ||
4389a95a AC |
231 | /* There will always be an interpreter. Either the one passed into |
232 | this captured main (not yet implemented), or one specified by the | |
233 | user at start up, or the console. Make life easier by always | |
234 | initializing the interpreter to something. */ | |
235 | interpreter_p = xstrdup (INTERP_CONSOLE); | |
236 | ||
c906108c SS |
237 | /* Parse arguments and options. */ |
238 | { | |
239 | int c; | |
240 | /* When var field is 0, use flag field to record the equivalent | |
241 | short option (or arbitrary numbers starting at 10 for those | |
242 | with no equivalent). */ | |
243 | static struct option long_options[] = | |
c5aa993b | 244 | { |
6426a772 JM |
245 | {"async", no_argument, &event_loop_p, 1}, |
246 | {"noasync", no_argument, &event_loop_p, 0}, | |
c906108c | 247 | #if defined(TUI) |
c5aa993b | 248 | {"tui", no_argument, &tui_version, 1}, |
c906108c | 249 | #endif |
c5aa993b JM |
250 | {"xdb", no_argument, &xdb_commands, 1}, |
251 | {"dbx", no_argument, &dbx_commands, 1}, | |
252 | {"readnow", no_argument, &readnow_symbol_files, 1}, | |
253 | {"r", no_argument, &readnow_symbol_files, 1}, | |
254 | {"mapped", no_argument, &mapped_symbol_files, 1}, | |
255 | {"m", no_argument, &mapped_symbol_files, 1}, | |
256 | {"quiet", no_argument, &quiet, 1}, | |
257 | {"q", no_argument, &quiet, 1}, | |
258 | {"silent", no_argument, &quiet, 1}, | |
259 | {"nx", no_argument, &inhibit_gdbinit, 1}, | |
260 | {"n", no_argument, &inhibit_gdbinit, 1}, | |
261 | {"batch", no_argument, &batch, 1}, | |
262 | {"epoch", no_argument, &epoch_interface, 1}, | |
263 | ||
264 | /* This is a synonym for "--annotate=1". --annotate is now preferred, | |
265 | but keep this here for a long time because people will be running | |
266 | emacses which use --fullname. */ | |
267 | {"fullname", no_argument, 0, 'f'}, | |
268 | {"f", no_argument, 0, 'f'}, | |
269 | ||
270 | {"annotate", required_argument, 0, 12}, | |
271 | {"help", no_argument, &print_help, 1}, | |
272 | {"se", required_argument, 0, 10}, | |
273 | {"symbols", required_argument, 0, 's'}, | |
274 | {"s", required_argument, 0, 's'}, | |
275 | {"exec", required_argument, 0, 'e'}, | |
276 | {"e", required_argument, 0, 'e'}, | |
277 | {"core", required_argument, 0, 'c'}, | |
278 | {"c", required_argument, 0, 'c'}, | |
00546b04 MS |
279 | {"pid", required_argument, 0, 'p'}, |
280 | {"p", required_argument, 0, 'p'}, | |
c5aa993b JM |
281 | {"command", required_argument, 0, 'x'}, |
282 | {"version", no_argument, &print_version, 1}, | |
283 | {"x", required_argument, 0, 'x'}, | |
3fc11d3e JM |
284 | #ifdef GDBTK |
285 | {"tclcommand", required_argument, 0, 'z'}, | |
286 | {"enable-external-editor", no_argument, 0, 'y'}, | |
287 | {"editor-command", required_argument, 0, 'w'}, | |
288 | #endif | |
8b93c638 JM |
289 | {"ui", required_argument, 0, 'i'}, |
290 | {"interpreter", required_argument, 0, 'i'}, | |
291 | {"i", required_argument, 0, 'i'}, | |
c5aa993b | 292 | {"directory", required_argument, 0, 'd'}, |
c4093a6a | 293 | {"d", required_argument, 0, 'd'}, |
c5aa993b JM |
294 | {"cd", required_argument, 0, 11}, |
295 | {"tty", required_argument, 0, 't'}, | |
296 | {"baud", required_argument, 0, 'b'}, | |
297 | {"b", required_argument, 0, 'b'}, | |
298 | {"nw", no_argument, &use_windows, 0}, | |
299 | {"nowindows", no_argument, &use_windows, 0}, | |
300 | {"w", no_argument, &use_windows, 1}, | |
301 | {"windows", no_argument, &use_windows, 1}, | |
302 | {"statistics", no_argument, 0, 13}, | |
303 | {"write", no_argument, &write_files, 1}, | |
552c04a7 | 304 | {"args", no_argument, &set_args, 1}, |
c5aa993b JM |
305 | {0, no_argument, 0, 0} |
306 | }; | |
c906108c SS |
307 | |
308 | while (1) | |
309 | { | |
310 | int option_index; | |
311 | ||
312 | c = getopt_long_only (argc, argv, "", | |
313 | long_options, &option_index); | |
552c04a7 | 314 | if (c == EOF || set_args) |
c906108c SS |
315 | break; |
316 | ||
317 | /* Long option that takes an argument. */ | |
318 | if (c == 0 && long_options[option_index].flag == 0) | |
319 | c = long_options[option_index].val; | |
320 | ||
321 | switch (c) | |
322 | { | |
323 | case 0: | |
324 | /* Long option that just sets a flag. */ | |
325 | break; | |
326 | case 10: | |
327 | symarg = optarg; | |
328 | execarg = optarg; | |
329 | break; | |
330 | case 11: | |
331 | cdarg = optarg; | |
332 | break; | |
333 | case 12: | |
334 | /* FIXME: what if the syntax is wrong (e.g. not digits)? */ | |
335 | annotation_level = atoi (optarg); | |
336 | break; | |
337 | case 13: | |
338 | /* Enable the display of both time and space usage. */ | |
339 | display_time = 1; | |
340 | display_space = 1; | |
341 | break; | |
342 | case 'f': | |
343 | annotation_level = 1; | |
344 | /* We have probably been invoked from emacs. Disable window interface. */ | |
345 | use_windows = 0; | |
346 | break; | |
347 | case 's': | |
348 | symarg = optarg; | |
349 | break; | |
350 | case 'e': | |
351 | execarg = optarg; | |
352 | break; | |
353 | case 'c': | |
354 | corearg = optarg; | |
355 | break; | |
00546b04 MS |
356 | case 'p': |
357 | /* "corearg" is shared by "--core" and "--pid" */ | |
358 | corearg = optarg; | |
359 | break; | |
c906108c SS |
360 | case 'x': |
361 | cmdarg[ncmd++] = optarg; | |
362 | if (ncmd >= cmdsize) | |
363 | { | |
364 | cmdsize *= 2; | |
c5aa993b | 365 | cmdarg = (char **) xrealloc ((char *) cmdarg, |
c906108c SS |
366 | cmdsize * sizeof (*cmdarg)); |
367 | } | |
368 | break; | |
3fc11d3e JM |
369 | #ifdef GDBTK |
370 | case 'z': | |
371 | { | |
a14ed312 | 372 | extern int gdbtk_test (char *); |
3fc11d3e JM |
373 | if (!gdbtk_test (optarg)) |
374 | { | |
defc6f8c | 375 | fprintf_unfiltered (gdb_stderr, _("%s: unable to load tclcommand file \"%s\""), |
3fc11d3e JM |
376 | argv[0], optarg); |
377 | exit (1); | |
378 | } | |
379 | break; | |
380 | } | |
381 | case 'y': | |
78f49586 TT |
382 | /* Backwards compatibility only. */ |
383 | break; | |
3fc11d3e JM |
384 | case 'w': |
385 | { | |
3fc11d3e JM |
386 | external_editor_command = xstrdup (optarg); |
387 | break; | |
388 | } | |
389 | #endif /* GDBTK */ | |
fb40c209 | 390 | case 'i': |
4389a95a AC |
391 | xfree (interpreter_p); |
392 | interpreter_p = xstrdup (optarg); | |
fb40c209 | 393 | break; |
c906108c SS |
394 | case 'd': |
395 | dirarg[ndir++] = optarg; | |
396 | if (ndir >= dirsize) | |
397 | { | |
398 | dirsize *= 2; | |
c5aa993b | 399 | dirarg = (char **) xrealloc ((char *) dirarg, |
c906108c SS |
400 | dirsize * sizeof (*dirarg)); |
401 | } | |
402 | break; | |
403 | case 't': | |
404 | ttyarg = optarg; | |
405 | break; | |
406 | case 'q': | |
407 | quiet = 1; | |
408 | break; | |
409 | case 'b': | |
410 | { | |
411 | int i; | |
412 | char *p; | |
413 | ||
414 | i = strtol (optarg, &p, 0); | |
415 | if (i == 0 && p == optarg) | |
416 | ||
417 | /* Don't use *_filtered or warning() (which relies on | |
c5aa993b | 418 | current_target) until after initialize_all_files(). */ |
c906108c SS |
419 | |
420 | fprintf_unfiltered | |
421 | (gdb_stderr, | |
defc6f8c | 422 | _("warning: could not set baud rate to `%s'.\n"), optarg); |
c906108c SS |
423 | else |
424 | baud_rate = i; | |
425 | } | |
046ca86a | 426 | break; |
c906108c SS |
427 | case 'l': |
428 | { | |
429 | int i; | |
430 | char *p; | |
431 | ||
432 | i = strtol (optarg, &p, 0); | |
433 | if (i == 0 && p == optarg) | |
434 | ||
435 | /* Don't use *_filtered or warning() (which relies on | |
c5aa993b | 436 | current_target) until after initialize_all_files(). */ |
c906108c SS |
437 | |
438 | fprintf_unfiltered | |
439 | (gdb_stderr, | |
defc6f8c | 440 | _("warning: could not set timeout limit to `%s'.\n"), optarg); |
c906108c SS |
441 | else |
442 | remote_timeout = i; | |
443 | } | |
444 | break; | |
445 | ||
c906108c SS |
446 | case '?': |
447 | fprintf_unfiltered (gdb_stderr, | |
defc6f8c | 448 | _("Use `%s --help' for a complete list of options.\n"), |
c5aa993b | 449 | argv[0]); |
c906108c SS |
450 | exit (1); |
451 | } | |
452 | } | |
453 | ||
454 | /* If --help or --version, disable window interface. */ | |
455 | if (print_help || print_version) | |
456 | { | |
457 | use_windows = 0; | |
458 | #ifdef TUI | |
459 | /* Disable the TUI as well. */ | |
460 | tui_version = 0; | |
461 | #endif | |
462 | } | |
463 | ||
464 | #ifdef TUI | |
465 | /* An explicit --tui flag overrides the default UI, which is the | |
466 | window system. */ | |
467 | if (tui_version) | |
468 | use_windows = 0; | |
c5aa993b | 469 | #endif |
c906108c | 470 | |
552c04a7 TT |
471 | if (set_args) |
472 | { | |
473 | /* The remaining options are the command-line options for the | |
474 | inferior. The first one is the sym/exec file, and the rest | |
475 | are arguments. */ | |
476 | if (optind >= argc) | |
477 | { | |
478 | fprintf_unfiltered (gdb_stderr, | |
defc6f8c | 479 | _("%s: `--args' specified but no program specified\n"), |
552c04a7 TT |
480 | argv[0]); |
481 | exit (1); | |
482 | } | |
483 | symarg = argv[optind]; | |
484 | execarg = argv[optind]; | |
485 | ++optind; | |
486 | set_inferior_args_vector (argc - optind, &argv[optind]); | |
487 | } | |
488 | else | |
489 | { | |
490 | /* OK, that's all the options. The other arguments are filenames. */ | |
491 | count = 0; | |
492 | for (; optind < argc; optind++) | |
493 | switch (++count) | |
494 | { | |
495 | case 1: | |
496 | symarg = argv[optind]; | |
497 | execarg = argv[optind]; | |
498 | break; | |
499 | case 2: | |
00546b04 MS |
500 | /* The documentation says this can be a "ProcID" as well. |
501 | We will try it as both a corefile and a pid. */ | |
552c04a7 TT |
502 | corearg = argv[optind]; |
503 | break; | |
504 | case 3: | |
505 | fprintf_unfiltered (gdb_stderr, | |
defc6f8c | 506 | _("Excess command line arguments ignored. (%s%s)\n"), |
552c04a7 TT |
507 | argv[optind], (optind == argc - 1) ? "" : " ..."); |
508 | break; | |
509 | } | |
510 | } | |
c906108c SS |
511 | if (batch) |
512 | quiet = 1; | |
513 | } | |
514 | ||
0f71a2f6 JM |
515 | /* Initialize all files. Give the interpreter a chance to take |
516 | control of the console via the init_ui_hook()) */ | |
c906108c SS |
517 | gdb_init (argv[0]); |
518 | ||
519 | /* Do these (and anything which might call wrap_here or *_filtered) | |
4389a95a AC |
520 | after initialize_all_files() but before the interpreter has been |
521 | installed. Otherwize the help/version messages will be eaten by | |
522 | the interpreter's output handler. */ | |
523 | ||
c906108c SS |
524 | if (print_version) |
525 | { | |
526 | print_gdb_version (gdb_stdout); | |
527 | wrap_here (""); | |
528 | printf_filtered ("\n"); | |
529 | exit (0); | |
530 | } | |
531 | ||
532 | if (print_help) | |
533 | { | |
534 | print_gdb_help (gdb_stdout); | |
535 | fputs_unfiltered ("\n", gdb_stdout); | |
536 | exit (0); | |
537 | } | |
538 | ||
4389a95a AC |
539 | /* FIXME: cagney/2003-02-03: The big hack (part 1 of 2) that lets |
540 | GDB retain the old MI1 interpreter startup behavior. Output the | |
541 | copyright message before the interpreter is installed. That way | |
542 | it isn't encapsulated in MI output. */ | |
543 | if (!quiet && strcmp (interpreter_p, INTERP_MI1) == 0) | |
544 | { | |
545 | /* Print all the junk at the top, with trailing "..." if we are about | |
546 | to read a symbol file (possibly slowly). */ | |
547 | print_gdb_version (gdb_stdout); | |
548 | if (symarg) | |
549 | printf_filtered (".."); | |
550 | wrap_here (""); | |
551 | gdb_flush (gdb_stdout); /* Force to screen during slow operations */ | |
552 | } | |
553 | ||
554 | ||
555 | /* Install the default UI. All the interpreters should have had a | |
556 | look at things by now. Initialize the default interpreter. */ | |
557 | ||
558 | { | |
559 | /* Find it. */ | |
560 | struct interp *interp = interp_lookup (interpreter_p); | |
561 | if (interp == NULL) | |
562 | { | |
563 | fprintf_unfiltered (gdb_stderr, "Interpreter `%s' unrecognized.\n", | |
564 | interpreter_p); | |
565 | exit (1); | |
566 | } | |
567 | /* Install it. */ | |
568 | if (!interp_set (interp)) | |
569 | { | |
570 | fprintf_unfiltered (gdb_stderr, | |
571 | "Interpreter `%s' failed to initialize.\n", | |
572 | interpreter_p); | |
573 | exit (1); | |
574 | } | |
575 | } | |
576 | ||
577 | /* FIXME: cagney/2003-02-03: The big hack (part 2 of 2) that lets | |
578 | GDB retain the old MI1 interpreter startup behavior. Output the | |
579 | copyright message after the interpreter is installed when it is | |
580 | any sane interpreter. */ | |
581 | if (!quiet && !current_interp_named_p (INTERP_MI1)) | |
c906108c SS |
582 | { |
583 | /* Print all the junk at the top, with trailing "..." if we are about | |
c5aa993b | 584 | to read a symbol file (possibly slowly). */ |
c906108c SS |
585 | print_gdb_version (gdb_stdout); |
586 | if (symarg) | |
587 | printf_filtered (".."); | |
c5aa993b JM |
588 | wrap_here (""); |
589 | gdb_flush (gdb_stdout); /* Force to screen during slow operations */ | |
c906108c SS |
590 | } |
591 | ||
592 | error_pre_print = "\n\n"; | |
593 | quit_pre_print = error_pre_print; | |
594 | ||
595 | /* We may get more than one warning, don't double space all of them... */ | |
defc6f8c | 596 | warning_pre_print = _("\nwarning: "); |
c906108c SS |
597 | |
598 | /* Read and execute $HOME/.gdbinit file, if it exists. This is done | |
599 | *before* all the command line arguments are processed; it sets | |
600 | global parameters, which are independent of what file you are | |
601 | debugging or what directory you are in. */ | |
c5aa993b | 602 | homedir = getenv ("HOME"); |
c906108c SS |
603 | if (homedir) |
604 | { | |
605 | homeinit = (char *) alloca (strlen (homedir) + | |
606 | strlen (gdbinit) + 10); | |
607 | strcpy (homeinit, homedir); | |
608 | strcat (homeinit, "/"); | |
609 | strcat (homeinit, gdbinit); | |
610 | ||
611 | if (!inhibit_gdbinit) | |
612 | { | |
11cf8741 | 613 | catch_command_errors (source_command, homeinit, 0, RETURN_MASK_ALL); |
c906108c | 614 | } |
c906108c SS |
615 | |
616 | /* Do stats; no need to do them elsewhere since we'll only | |
c5aa993b JM |
617 | need them if homedir is set. Make sure that they are |
618 | zero in case one of them fails (this guarantees that they | |
619 | won't match if either exists). */ | |
620 | ||
c906108c SS |
621 | memset (&homebuf, 0, sizeof (struct stat)); |
622 | memset (&cwdbuf, 0, sizeof (struct stat)); | |
c5aa993b | 623 | |
c906108c | 624 | stat (homeinit, &homebuf); |
c5aa993b JM |
625 | stat (gdbinit, &cwdbuf); /* We'll only need this if |
626 | homedir was set. */ | |
c906108c SS |
627 | } |
628 | ||
629 | /* Now perform all the actions indicated by the arguments. */ | |
630 | if (cdarg != NULL) | |
631 | { | |
11cf8741 | 632 | catch_command_errors (cd_command, cdarg, 0, RETURN_MASK_ALL); |
c906108c | 633 | } |
c906108c SS |
634 | |
635 | for (i = 0; i < ndir; i++) | |
11cf8741 | 636 | catch_command_errors (directory_command, dirarg[i], 0, RETURN_MASK_ALL); |
b8c9b27d | 637 | xfree (dirarg); |
c906108c SS |
638 | |
639 | if (execarg != NULL | |
640 | && symarg != NULL | |
5cb316ef | 641 | && strcmp (execarg, symarg) == 0) |
c906108c | 642 | { |
11cf8741 JM |
643 | /* The exec file and the symbol-file are the same. If we can't |
644 | open it, better only print one error message. | |
645 | catch_command_errors returns non-zero on success! */ | |
1adeb98a FN |
646 | if (catch_command_errors (exec_file_attach, execarg, !batch, RETURN_MASK_ALL)) |
647 | catch_command_errors (symbol_file_add_main, symarg, 0, RETURN_MASK_ALL); | |
c906108c SS |
648 | } |
649 | else | |
650 | { | |
651 | if (execarg != NULL) | |
1adeb98a | 652 | catch_command_errors (exec_file_attach, execarg, !batch, RETURN_MASK_ALL); |
c906108c | 653 | if (symarg != NULL) |
1adeb98a | 654 | catch_command_errors (symbol_file_add_main, symarg, 0, RETURN_MASK_ALL); |
c906108c | 655 | } |
c906108c SS |
656 | |
657 | /* After the symbol file has been read, print a newline to get us | |
658 | beyond the copyright line... But errors should still set off | |
659 | the error message with a (single) blank line. */ | |
660 | if (!quiet) | |
661 | printf_filtered ("\n"); | |
662 | error_pre_print = "\n"; | |
663 | quit_pre_print = error_pre_print; | |
defc6f8c | 664 | warning_pre_print = _("\nwarning: "); |
c906108c SS |
665 | |
666 | if (corearg != NULL) | |
667 | { | |
00546b04 MS |
668 | /* corearg may be either a corefile or a pid. |
669 | If its first character is a digit, try attach first | |
670 | and then corefile. Otherwise try corefile first. */ | |
671 | ||
672 | if (isdigit (corearg[0])) | |
11cf8741 | 673 | { |
00546b04 MS |
674 | if (catch_command_errors (attach_command, corearg, |
675 | !batch, RETURN_MASK_ALL) == 0) | |
676 | catch_command_errors (core_file_command, corearg, | |
677 | !batch, RETURN_MASK_ALL); | |
11cf8741 | 678 | } |
00546b04 MS |
679 | else /* Can't be a pid, better be a corefile. */ |
680 | catch_command_errors (core_file_command, corearg, | |
681 | !batch, RETURN_MASK_ALL); | |
c906108c | 682 | } |
c906108c SS |
683 | |
684 | if (ttyarg != NULL) | |
11cf8741 | 685 | catch_command_errors (tty_command, ttyarg, !batch, RETURN_MASK_ALL); |
c906108c | 686 | |
c906108c SS |
687 | /* Error messages should no longer be distinguished with extra output. */ |
688 | error_pre_print = NULL; | |
689 | quit_pre_print = NULL; | |
defc6f8c | 690 | warning_pre_print = _("warning: "); |
c906108c SS |
691 | |
692 | /* Read the .gdbinit file in the current directory, *if* it isn't | |
693 | the same as the $HOME/.gdbinit file (it should exist, also). */ | |
c5aa993b | 694 | |
c906108c SS |
695 | if (!homedir |
696 | || memcmp ((char *) &homebuf, (char *) &cwdbuf, sizeof (struct stat))) | |
697 | if (!inhibit_gdbinit) | |
698 | { | |
11cf8741 | 699 | catch_command_errors (source_command, gdbinit, 0, RETURN_MASK_ALL); |
c906108c | 700 | } |
c906108c SS |
701 | |
702 | for (i = 0; i < ncmd; i++) | |
703 | { | |
11cf8741 JM |
704 | #if 0 |
705 | /* NOTE: cagney/1999-11-03: SET_TOP_LEVEL() was a macro that | |
706 | expanded into a call to setjmp(). */ | |
707 | if (!SET_TOP_LEVEL ()) /* NB: This is #if 0'd out */ | |
c906108c | 708 | { |
b83266a0 SS |
709 | /* NOTE: I am commenting this out, because it is not clear |
710 | where this feature is used. It is very old and | |
c5aa993b | 711 | undocumented. ezannoni: 1999-05-04 */ |
b83266a0 | 712 | #if 0 |
c906108c SS |
713 | if (cmdarg[i][0] == '-' && cmdarg[i][1] == '\0') |
714 | read_command_file (stdin); | |
715 | else | |
b83266a0 | 716 | #endif |
c906108c SS |
717 | source_command (cmdarg[i], !batch); |
718 | do_cleanups (ALL_CLEANUPS); | |
719 | } | |
11cf8741 JM |
720 | #endif |
721 | catch_command_errors (source_command, cmdarg[i], !batch, RETURN_MASK_ALL); | |
c906108c | 722 | } |
b8c9b27d | 723 | xfree (cmdarg); |
c906108c SS |
724 | |
725 | /* Read in the old history after all the command files have been read. */ | |
c5aa993b | 726 | init_history (); |
c906108c SS |
727 | |
728 | if (batch) | |
729 | { | |
730 | /* We have hit the end of the batch file. */ | |
731 | exit (0); | |
732 | } | |
733 | ||
734 | /* Do any host- or target-specific hacks. This is used for i960 targets | |
735 | to force the user to set a nindy target and spec its parameters. */ | |
736 | ||
737 | #ifdef BEFORE_MAIN_LOOP_HOOK | |
738 | BEFORE_MAIN_LOOP_HOOK; | |
739 | #endif | |
740 | ||
741 | END_PROGRESS (argv[0]); | |
742 | ||
743 | /* Show time and/or space usage. */ | |
744 | ||
745 | if (display_time) | |
746 | { | |
747 | long init_time = get_run_time () - time_at_startup; | |
748 | ||
defc6f8c | 749 | printf_unfiltered (_("Startup time: %ld.%06ld\n"), |
c906108c SS |
750 | init_time / 1000000, init_time % 1000000); |
751 | } | |
752 | ||
753 | if (display_space) | |
754 | { | |
755 | #ifdef HAVE_SBRK | |
756 | extern char **environ; | |
757 | char *lim = (char *) sbrk (0); | |
758 | ||
defc6f8c | 759 | printf_unfiltered (_("Startup size: data size %ld\n"), |
c906108c SS |
760 | (long) (lim - (char *) &environ)); |
761 | #endif | |
762 | } | |
763 | ||
11cf8741 JM |
764 | #if 0 |
765 | /* FIXME: cagney/1999-11-06: The original main loop was like: */ | |
c906108c SS |
766 | while (1) |
767 | { | |
768 | if (!SET_TOP_LEVEL ()) | |
769 | { | |
c5aa993b | 770 | do_cleanups (ALL_CLEANUPS); /* Do complete cleanup */ |
c906108c SS |
771 | /* GUIs generally have their own command loop, mainloop, or whatever. |
772 | This is a good place to gain control because many error | |
773 | conditions will end up here via longjmp(). */ | |
774 | if (command_loop_hook) | |
775 | command_loop_hook (); | |
776 | else | |
777 | command_loop (); | |
c5aa993b | 778 | quit_command ((char *) 0, instream == stdin); |
c906108c SS |
779 | } |
780 | } | |
11cf8741 JM |
781 | /* NOTE: If the command_loop() returned normally, the loop would |
782 | attempt to exit by calling the function quit_command(). That | |
783 | function would either call exit() or throw an error returning | |
784 | control to SET_TOP_LEVEL. */ | |
785 | /* NOTE: The function do_cleanups() was called once each time round | |
786 | the loop. The usefulness of the call isn't clear. If an error | |
787 | was thrown, everything would have already been cleaned up. If | |
788 | command_loop() returned normally and quit_command() was called, | |
789 | either exit() or error() (again cleaning up) would be called. */ | |
790 | #endif | |
791 | /* NOTE: cagney/1999-11-07: There is probably no reason for not | |
792 | moving this loop and the code found in captured_command_loop() | |
793 | into the command_loop() proper. The main thing holding back that | |
794 | change - SET_TOP_LEVEL() - has been eliminated. */ | |
795 | while (1) | |
796 | { | |
797 | catch_errors (captured_command_loop, 0, "", RETURN_MASK_ALL); | |
798 | } | |
11cf8741 JM |
799 | /* No exit -- exit is through quit_command. */ |
800 | } | |
c906108c | 801 | |
11cf8741 | 802 | int |
f15ab4a7 | 803 | gdb_main (struct captured_main_args *args) |
11cf8741 | 804 | { |
f15ab4a7 AC |
805 | use_windows = args->use_windows; |
806 | catch_errors (captured_main, args, "", RETURN_MASK_ALL); | |
11cf8741 | 807 | return 0; |
c906108c SS |
808 | } |
809 | ||
11cf8741 | 810 | |
c906108c SS |
811 | /* Don't use *_filtered for printing help. We don't want to prompt |
812 | for continue no matter how small the screen or how much we're going | |
813 | to print. */ | |
814 | ||
815 | static void | |
d9fcf2fb | 816 | print_gdb_help (struct ui_file *stream) |
c906108c | 817 | { |
defc6f8c | 818 | fputs_unfiltered (_("\ |
c906108c | 819 | This is the GNU debugger. Usage:\n\n\ |
552c04a7 TT |
820 | gdb [options] [executable-file [core-file or process-id]]\n\ |
821 | gdb [options] --args executable-file [inferior-arguments ...]\n\n\ | |
c906108c | 822 | Options:\n\n\ |
defc6f8c TT |
823 | "), stream); |
824 | fputs_unfiltered (_("\ | |
552c04a7 | 825 | --args Arguments after executable-file are passed to inferior\n\ |
defc6f8c TT |
826 | "), stream); |
827 | fputs_unfiltered (_("\ | |
0f71a2f6 | 828 | --[no]async Enable (disable) asynchronous version of CLI\n\ |
defc6f8c TT |
829 | "), stream); |
830 | fputs_unfiltered (_("\ | |
c906108c SS |
831 | -b BAUDRATE Set serial port baud rate used for remote debugging.\n\ |
832 | --batch Exit after processing options.\n\ | |
833 | --cd=DIR Change current directory to DIR.\n\ | |
834 | --command=FILE Execute GDB commands from FILE.\n\ | |
835 | --core=COREFILE Analyze the core dump COREFILE.\n\ | |
00546b04 | 836 | --pid=PID Attach to running process PID.\n\ |
defc6f8c TT |
837 | "), stream); |
838 | fputs_unfiltered (_("\ | |
c906108c SS |
839 | --dbx DBX compatibility mode.\n\ |
840 | --directory=DIR Search for source files in DIR.\n\ | |
841 | --epoch Output information used by epoch emacs-GDB interface.\n\ | |
842 | --exec=EXECFILE Use EXECFILE as the executable.\n\ | |
843 | --fullname Output information used by emacs-GDB interface.\n\ | |
844 | --help Print this message.\n\ | |
defc6f8c TT |
845 | "), stream); |
846 | fputs_unfiltered (_("\ | |
8b93c638 JM |
847 | --interpreter=INTERP\n\ |
848 | Select a specific interpreter / user interface\n\ | |
defc6f8c TT |
849 | "), stream); |
850 | fputs_unfiltered (_("\ | |
c906108c SS |
851 | --mapped Use mapped symbol files if supported on this system.\n\ |
852 | --nw Do not use a window interface.\n\ | |
defc6f8c | 853 | --nx Do not read "), stream); |
96baa820 | 854 | fputs_unfiltered (gdbinit, stream); |
defc6f8c | 855 | fputs_unfiltered (_(" file.\n\ |
c906108c SS |
856 | --quiet Do not print version number on startup.\n\ |
857 | --readnow Fully read symbol files on first access.\n\ | |
defc6f8c TT |
858 | "), stream); |
859 | fputs_unfiltered (_("\ | |
c906108c SS |
860 | --se=FILE Use FILE as symbol file and executable file.\n\ |
861 | --symbols=SYMFILE Read symbols from SYMFILE.\n\ | |
862 | --tty=TTY Use TTY for input/output by the program being debugged.\n\ | |
defc6f8c | 863 | "), stream); |
c906108c | 864 | #if defined(TUI) |
defc6f8c | 865 | fputs_unfiltered (_("\ |
c906108c | 866 | --tui Use a terminal user interface.\n\ |
defc6f8c | 867 | "), stream); |
c906108c | 868 | #endif |
defc6f8c | 869 | fputs_unfiltered (_("\ |
c906108c SS |
870 | --version Print version information and then exit.\n\ |
871 | -w Use a window interface.\n\ | |
872 | --write Set writing into executable and core files.\n\ | |
873 | --xdb XDB compatibility mode.\n\ | |
defc6f8c | 874 | "), stream); |
defc6f8c | 875 | fputs_unfiltered (_("\n\ |
c906108c SS |
876 | For more information, type \"help\" from within GDB, or consult the\n\ |
877 | GDB manual (available as on-line info or a printed manual).\n\ | |
2df3850c | 878 | Report bugs to \"bug-gdb@gnu.org\".\ |
defc6f8c | 879 | "), stream); |
c906108c | 880 | } |