Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Top level stuff for GDB, the GNU debugger. |
b6ba6518 | 2 | Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, |
030292b7 | 3 | 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 |
00546b04 | 4 | Free Software Foundation, Inc. |
c906108c | 5 | |
c5aa993b | 6 | This file is part of GDB. |
c906108c | 7 | |
c5aa993b JM |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
c906108c | 12 | |
c5aa993b JM |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
c906108c | 17 | |
c5aa993b JM |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 59 Temple Place - Suite 330, | |
21 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
22 | |
23 | #include "defs.h" | |
c906108c SS |
24 | #include "top.h" |
25 | #include "target.h" | |
26 | #include "inferior.h" | |
1adeb98a FN |
27 | #include "symfile.h" |
28 | #include "gdbcore.h" | |
c906108c SS |
29 | |
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 | |
f15ab4a7 AC |
40 | #include "main.h" |
41 | ||
c906108c SS |
42 | /* If nonzero, display time usage both at startup and for each command. */ |
43 | ||
44 | int display_time; | |
45 | ||
46 | /* If nonzero, display space usage both at startup and for each command. */ | |
47 | ||
48 | int display_space; | |
49 | ||
cd0fc7c3 | 50 | /* Whether this is the async version or not. The async version is |
c5aa993b JM |
51 | invoked on the command line with the -nw --async options. In this |
52 | version, the usual command_loop is substituted by and event loop which | |
53 | processes UI events asynchronously. */ | |
6426a772 | 54 | int event_loop_p = 1; |
cd0fc7c3 | 55 | |
fb40c209 AC |
56 | /* Has an interpreter been specified and if so, which. */ |
57 | char *interpreter_p; | |
fb40c209 | 58 | |
c906108c SS |
59 | /* Whether this is the command line version or not */ |
60 | int tui_version = 0; | |
61 | ||
62 | /* Whether xdb commands will be handled */ | |
63 | int xdb_commands = 0; | |
64 | ||
65 | /* Whether dbx commands will be handled */ | |
66 | int dbx_commands = 0; | |
67 | ||
030292b7 DJ |
68 | /* System root path, used to find libraries etc. */ |
69 | char *gdb_sysroot = 0; | |
70 | ||
d9fcf2fb JM |
71 | struct ui_file *gdb_stdout; |
72 | struct ui_file *gdb_stderr; | |
73 | struct ui_file *gdb_stdlog; | |
74 | struct ui_file *gdb_stdtarg; | |
c906108c | 75 | |
2acceee2 JM |
76 | /* Used to initialize error() - defined in utils.c */ |
77 | ||
78 | extern void error_init (void); | |
79 | ||
c906108c SS |
80 | /* Whether to enable writing into executable and core files */ |
81 | extern int write_files; | |
82 | ||
d9fcf2fb | 83 | static void print_gdb_help (struct ui_file *); |
c906108c SS |
84 | |
85 | /* These two are used to set the external editor commands when gdb is farming | |
86 | out files to be edited by another program. */ | |
87 | ||
c5aa993b | 88 | extern char *external_editor_command; |
c906108c | 89 | |
11cf8741 JM |
90 | /* Call command_loop. If it happens to return, pass that through as a |
91 | non-zero return status. */ | |
92 | ||
93 | static int | |
94 | captured_command_loop (void *data) | |
c906108c | 95 | { |
11cf8741 JM |
96 | if (command_loop_hook == NULL) |
97 | command_loop (); | |
98 | else | |
99 | command_loop_hook (); | |
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. */ | |
139 | char **cmdarg; | |
140 | /* Allocated size of cmdarg. */ | |
141 | int cmdsize; | |
142 | /* Number of elements of cmdarg used. */ | |
143 | int ncmd; | |
144 | ||
145 | /* Indices of all arguments of --directory option. */ | |
146 | char **dirarg; | |
147 | /* Allocated size. */ | |
148 | int dirsize; | |
149 | /* Number of elements used. */ | |
150 | int ndir; | |
c5aa993b | 151 | |
c906108c SS |
152 | struct stat homebuf, cwdbuf; |
153 | char *homedir, *homeinit; | |
154 | ||
155 | register int i; | |
156 | ||
157 | long time_at_startup = get_run_time (); | |
158 | ||
0fbb3da7 TT |
159 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) |
160 | setlocale (LC_MESSAGES, ""); | |
161 | #endif | |
162 | #if defined (HAVE_SETLOCALE) | |
163 | setlocale (LC_CTYPE, ""); | |
164 | #endif | |
165 | bindtextdomain (PACKAGE, LOCALEDIR); | |
166 | textdomain (PACKAGE); | |
167 | ||
c906108c SS |
168 | START_PROGRESS (argv[0], 0); |
169 | ||
170 | #ifdef MPW | |
171 | /* Do all Mac-specific setup. */ | |
172 | mac_init (); | |
173 | #endif /* MPW */ | |
174 | ||
175 | /* This needs to happen before the first use of malloc. */ | |
762f08a3 | 176 | init_malloc (NULL); |
c906108c SS |
177 | |
178 | #if defined (ALIGN_STACK_ON_STARTUP) | |
179 | i = (int) &count & 0x3; | |
180 | if (i != 0) | |
181 | alloca (4 - i); | |
182 | #endif | |
183 | ||
c906108c SS |
184 | cmdsize = 1; |
185 | cmdarg = (char **) xmalloc (cmdsize * sizeof (*cmdarg)); | |
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 */ | |
c906108c | 203 | |
2acceee2 JM |
204 | /* initialize error() */ |
205 | error_init (); | |
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); |
030292b7 DJ |
222 | gdb_sysroot = TARGET_SYSTEM_ROOT; |
223 | } | |
224 | } | |
225 | else | |
226 | gdb_sysroot = TARGET_SYSTEM_ROOT; | |
227 | #else | |
228 | #if defined (TARGET_SYSTEM_ROOT) | |
229 | gdb_sysroot = TARGET_SYSTEM_ROOT; | |
230 | #else | |
231 | gdb_sysroot = ""; | |
232 | #endif | |
233 | #endif | |
234 | ||
c906108c SS |
235 | /* Parse arguments and options. */ |
236 | { | |
237 | int c; | |
238 | /* When var field is 0, use flag field to record the equivalent | |
239 | short option (or arbitrary numbers starting at 10 for those | |
240 | with no equivalent). */ | |
241 | static struct option long_options[] = | |
c5aa993b | 242 | { |
6426a772 JM |
243 | {"async", no_argument, &event_loop_p, 1}, |
244 | {"noasync", no_argument, &event_loop_p, 0}, | |
c906108c | 245 | #if defined(TUI) |
c5aa993b | 246 | {"tui", no_argument, &tui_version, 1}, |
c906108c | 247 | #endif |
c5aa993b JM |
248 | {"xdb", no_argument, &xdb_commands, 1}, |
249 | {"dbx", no_argument, &dbx_commands, 1}, | |
250 | {"readnow", no_argument, &readnow_symbol_files, 1}, | |
251 | {"r", no_argument, &readnow_symbol_files, 1}, | |
252 | {"mapped", no_argument, &mapped_symbol_files, 1}, | |
253 | {"m", no_argument, &mapped_symbol_files, 1}, | |
254 | {"quiet", no_argument, &quiet, 1}, | |
255 | {"q", no_argument, &quiet, 1}, | |
256 | {"silent", no_argument, &quiet, 1}, | |
257 | {"nx", no_argument, &inhibit_gdbinit, 1}, | |
258 | {"n", no_argument, &inhibit_gdbinit, 1}, | |
259 | {"batch", no_argument, &batch, 1}, | |
260 | {"epoch", no_argument, &epoch_interface, 1}, | |
261 | ||
262 | /* This is a synonym for "--annotate=1". --annotate is now preferred, | |
263 | but keep this here for a long time because people will be running | |
264 | emacses which use --fullname. */ | |
265 | {"fullname", no_argument, 0, 'f'}, | |
266 | {"f", no_argument, 0, 'f'}, | |
267 | ||
268 | {"annotate", required_argument, 0, 12}, | |
269 | {"help", no_argument, &print_help, 1}, | |
270 | {"se", required_argument, 0, 10}, | |
271 | {"symbols", required_argument, 0, 's'}, | |
272 | {"s", required_argument, 0, 's'}, | |
273 | {"exec", required_argument, 0, 'e'}, | |
274 | {"e", required_argument, 0, 'e'}, | |
275 | {"core", required_argument, 0, 'c'}, | |
276 | {"c", required_argument, 0, 'c'}, | |
00546b04 MS |
277 | {"pid", required_argument, 0, 'p'}, |
278 | {"p", required_argument, 0, 'p'}, | |
c5aa993b JM |
279 | {"command", required_argument, 0, 'x'}, |
280 | {"version", no_argument, &print_version, 1}, | |
281 | {"x", required_argument, 0, 'x'}, | |
3fc11d3e JM |
282 | #ifdef GDBTK |
283 | {"tclcommand", required_argument, 0, 'z'}, | |
284 | {"enable-external-editor", no_argument, 0, 'y'}, | |
285 | {"editor-command", required_argument, 0, 'w'}, | |
286 | #endif | |
8b93c638 JM |
287 | {"ui", required_argument, 0, 'i'}, |
288 | {"interpreter", required_argument, 0, 'i'}, | |
289 | {"i", required_argument, 0, 'i'}, | |
c5aa993b | 290 | {"directory", required_argument, 0, 'd'}, |
c4093a6a | 291 | {"d", required_argument, 0, 'd'}, |
c5aa993b JM |
292 | {"cd", required_argument, 0, 11}, |
293 | {"tty", required_argument, 0, 't'}, | |
294 | {"baud", required_argument, 0, 'b'}, | |
295 | {"b", required_argument, 0, 'b'}, | |
296 | {"nw", no_argument, &use_windows, 0}, | |
297 | {"nowindows", no_argument, &use_windows, 0}, | |
298 | {"w", no_argument, &use_windows, 1}, | |
299 | {"windows", no_argument, &use_windows, 1}, | |
300 | {"statistics", no_argument, 0, 13}, | |
301 | {"write", no_argument, &write_files, 1}, | |
552c04a7 | 302 | {"args", no_argument, &set_args, 1}, |
c5aa993b JM |
303 | {0, no_argument, 0, 0} |
304 | }; | |
c906108c SS |
305 | |
306 | while (1) | |
307 | { | |
308 | int option_index; | |
309 | ||
310 | c = getopt_long_only (argc, argv, "", | |
311 | long_options, &option_index); | |
552c04a7 | 312 | if (c == EOF || set_args) |
c906108c SS |
313 | break; |
314 | ||
315 | /* Long option that takes an argument. */ | |
316 | if (c == 0 && long_options[option_index].flag == 0) | |
317 | c = long_options[option_index].val; | |
318 | ||
319 | switch (c) | |
320 | { | |
321 | case 0: | |
322 | /* Long option that just sets a flag. */ | |
323 | break; | |
324 | case 10: | |
325 | symarg = optarg; | |
326 | execarg = optarg; | |
327 | break; | |
328 | case 11: | |
329 | cdarg = optarg; | |
330 | break; | |
331 | case 12: | |
332 | /* FIXME: what if the syntax is wrong (e.g. not digits)? */ | |
333 | annotation_level = atoi (optarg); | |
334 | break; | |
335 | case 13: | |
336 | /* Enable the display of both time and space usage. */ | |
337 | display_time = 1; | |
338 | display_space = 1; | |
339 | break; | |
340 | case 'f': | |
341 | annotation_level = 1; | |
342 | /* We have probably been invoked from emacs. Disable window interface. */ | |
343 | use_windows = 0; | |
344 | break; | |
345 | case 's': | |
346 | symarg = optarg; | |
347 | break; | |
348 | case 'e': | |
349 | execarg = optarg; | |
350 | break; | |
351 | case 'c': | |
352 | corearg = optarg; | |
353 | break; | |
00546b04 MS |
354 | case 'p': |
355 | /* "corearg" is shared by "--core" and "--pid" */ | |
356 | corearg = optarg; | |
357 | break; | |
c906108c SS |
358 | case 'x': |
359 | cmdarg[ncmd++] = optarg; | |
360 | if (ncmd >= cmdsize) | |
361 | { | |
362 | cmdsize *= 2; | |
c5aa993b | 363 | cmdarg = (char **) xrealloc ((char *) cmdarg, |
c906108c SS |
364 | cmdsize * sizeof (*cmdarg)); |
365 | } | |
366 | break; | |
3fc11d3e JM |
367 | #ifdef GDBTK |
368 | case 'z': | |
369 | { | |
a14ed312 | 370 | extern int gdbtk_test (char *); |
3fc11d3e JM |
371 | if (!gdbtk_test (optarg)) |
372 | { | |
defc6f8c | 373 | fprintf_unfiltered (gdb_stderr, _("%s: unable to load tclcommand file \"%s\""), |
3fc11d3e JM |
374 | argv[0], optarg); |
375 | exit (1); | |
376 | } | |
377 | break; | |
378 | } | |
379 | case 'y': | |
78f49586 TT |
380 | /* Backwards compatibility only. */ |
381 | break; | |
3fc11d3e JM |
382 | case 'w': |
383 | { | |
3fc11d3e JM |
384 | external_editor_command = xstrdup (optarg); |
385 | break; | |
386 | } | |
387 | #endif /* GDBTK */ | |
fb40c209 AC |
388 | case 'i': |
389 | interpreter_p = optarg; | |
390 | break; | |
c906108c SS |
391 | case 'd': |
392 | dirarg[ndir++] = optarg; | |
393 | if (ndir >= dirsize) | |
394 | { | |
395 | dirsize *= 2; | |
c5aa993b | 396 | dirarg = (char **) xrealloc ((char *) dirarg, |
c906108c SS |
397 | dirsize * sizeof (*dirarg)); |
398 | } | |
399 | break; | |
400 | case 't': | |
401 | ttyarg = optarg; | |
402 | break; | |
403 | case 'q': | |
404 | quiet = 1; | |
405 | break; | |
406 | case 'b': | |
407 | { | |
408 | int i; | |
409 | char *p; | |
410 | ||
411 | i = strtol (optarg, &p, 0); | |
412 | if (i == 0 && p == optarg) | |
413 | ||
414 | /* Don't use *_filtered or warning() (which relies on | |
c5aa993b | 415 | current_target) until after initialize_all_files(). */ |
c906108c SS |
416 | |
417 | fprintf_unfiltered | |
418 | (gdb_stderr, | |
defc6f8c | 419 | _("warning: could not set baud rate to `%s'.\n"), optarg); |
c906108c SS |
420 | else |
421 | baud_rate = i; | |
422 | } | |
046ca86a | 423 | break; |
c906108c SS |
424 | case 'l': |
425 | { | |
426 | int i; | |
427 | char *p; | |
428 | ||
429 | i = strtol (optarg, &p, 0); | |
430 | if (i == 0 && p == optarg) | |
431 | ||
432 | /* Don't use *_filtered or warning() (which relies on | |
c5aa993b | 433 | current_target) until after initialize_all_files(). */ |
c906108c SS |
434 | |
435 | fprintf_unfiltered | |
436 | (gdb_stderr, | |
defc6f8c | 437 | _("warning: could not set timeout limit to `%s'.\n"), optarg); |
c906108c SS |
438 | else |
439 | remote_timeout = i; | |
440 | } | |
441 | break; | |
442 | ||
c906108c SS |
443 | case '?': |
444 | fprintf_unfiltered (gdb_stderr, | |
defc6f8c | 445 | _("Use `%s --help' for a complete list of options.\n"), |
c5aa993b | 446 | argv[0]); |
c906108c SS |
447 | exit (1); |
448 | } | |
449 | } | |
450 | ||
451 | /* If --help or --version, disable window interface. */ | |
452 | if (print_help || print_version) | |
453 | { | |
454 | use_windows = 0; | |
455 | #ifdef TUI | |
456 | /* Disable the TUI as well. */ | |
457 | tui_version = 0; | |
458 | #endif | |
459 | } | |
460 | ||
461 | #ifdef TUI | |
462 | /* An explicit --tui flag overrides the default UI, which is the | |
463 | window system. */ | |
464 | if (tui_version) | |
465 | use_windows = 0; | |
c5aa993b | 466 | #endif |
c906108c | 467 | |
552c04a7 TT |
468 | if (set_args) |
469 | { | |
470 | /* The remaining options are the command-line options for the | |
471 | inferior. The first one is the sym/exec file, and the rest | |
472 | are arguments. */ | |
473 | if (optind >= argc) | |
474 | { | |
475 | fprintf_unfiltered (gdb_stderr, | |
defc6f8c | 476 | _("%s: `--args' specified but no program specified\n"), |
552c04a7 TT |
477 | argv[0]); |
478 | exit (1); | |
479 | } | |
480 | symarg = argv[optind]; | |
481 | execarg = argv[optind]; | |
482 | ++optind; | |
483 | set_inferior_args_vector (argc - optind, &argv[optind]); | |
484 | } | |
485 | else | |
486 | { | |
487 | /* OK, that's all the options. The other arguments are filenames. */ | |
488 | count = 0; | |
489 | for (; optind < argc; optind++) | |
490 | switch (++count) | |
491 | { | |
492 | case 1: | |
493 | symarg = argv[optind]; | |
494 | execarg = argv[optind]; | |
495 | break; | |
496 | case 2: | |
00546b04 MS |
497 | /* The documentation says this can be a "ProcID" as well. |
498 | We will try it as both a corefile and a pid. */ | |
552c04a7 TT |
499 | corearg = argv[optind]; |
500 | break; | |
501 | case 3: | |
502 | fprintf_unfiltered (gdb_stderr, | |
defc6f8c | 503 | _("Excess command line arguments ignored. (%s%s)\n"), |
552c04a7 TT |
504 | argv[optind], (optind == argc - 1) ? "" : " ..."); |
505 | break; | |
506 | } | |
507 | } | |
c906108c SS |
508 | if (batch) |
509 | quiet = 1; | |
510 | } | |
511 | ||
0f71a2f6 JM |
512 | /* Initialize all files. Give the interpreter a chance to take |
513 | control of the console via the init_ui_hook()) */ | |
c906108c SS |
514 | gdb_init (argv[0]); |
515 | ||
516 | /* Do these (and anything which might call wrap_here or *_filtered) | |
517 | after initialize_all_files. */ | |
518 | if (print_version) | |
519 | { | |
520 | print_gdb_version (gdb_stdout); | |
521 | wrap_here (""); | |
522 | printf_filtered ("\n"); | |
523 | exit (0); | |
524 | } | |
525 | ||
526 | if (print_help) | |
527 | { | |
528 | print_gdb_help (gdb_stdout); | |
529 | fputs_unfiltered ("\n", gdb_stdout); | |
530 | exit (0); | |
531 | } | |
532 | ||
533 | if (!quiet) | |
534 | { | |
535 | /* Print all the junk at the top, with trailing "..." if we are about | |
c5aa993b | 536 | to read a symbol file (possibly slowly). */ |
c906108c SS |
537 | print_gdb_version (gdb_stdout); |
538 | if (symarg) | |
539 | printf_filtered (".."); | |
c5aa993b JM |
540 | wrap_here (""); |
541 | gdb_flush (gdb_stdout); /* Force to screen during slow operations */ | |
c906108c SS |
542 | } |
543 | ||
544 | error_pre_print = "\n\n"; | |
545 | quit_pre_print = error_pre_print; | |
546 | ||
547 | /* We may get more than one warning, don't double space all of them... */ | |
defc6f8c | 548 | warning_pre_print = _("\nwarning: "); |
c906108c SS |
549 | |
550 | /* Read and execute $HOME/.gdbinit file, if it exists. This is done | |
551 | *before* all the command line arguments are processed; it sets | |
552 | global parameters, which are independent of what file you are | |
553 | debugging or what directory you are in. */ | |
c5aa993b | 554 | homedir = getenv ("HOME"); |
c906108c SS |
555 | if (homedir) |
556 | { | |
557 | homeinit = (char *) alloca (strlen (homedir) + | |
558 | strlen (gdbinit) + 10); | |
559 | strcpy (homeinit, homedir); | |
560 | strcat (homeinit, "/"); | |
561 | strcat (homeinit, gdbinit); | |
562 | ||
563 | if (!inhibit_gdbinit) | |
564 | { | |
11cf8741 | 565 | catch_command_errors (source_command, homeinit, 0, RETURN_MASK_ALL); |
c906108c | 566 | } |
c906108c SS |
567 | |
568 | /* Do stats; no need to do them elsewhere since we'll only | |
c5aa993b JM |
569 | need them if homedir is set. Make sure that they are |
570 | zero in case one of them fails (this guarantees that they | |
571 | won't match if either exists). */ | |
572 | ||
c906108c SS |
573 | memset (&homebuf, 0, sizeof (struct stat)); |
574 | memset (&cwdbuf, 0, sizeof (struct stat)); | |
c5aa993b | 575 | |
c906108c | 576 | stat (homeinit, &homebuf); |
c5aa993b JM |
577 | stat (gdbinit, &cwdbuf); /* We'll only need this if |
578 | homedir was set. */ | |
c906108c SS |
579 | } |
580 | ||
581 | /* Now perform all the actions indicated by the arguments. */ | |
582 | if (cdarg != NULL) | |
583 | { | |
11cf8741 | 584 | catch_command_errors (cd_command, cdarg, 0, RETURN_MASK_ALL); |
c906108c | 585 | } |
c906108c SS |
586 | |
587 | for (i = 0; i < ndir; i++) | |
11cf8741 | 588 | catch_command_errors (directory_command, dirarg[i], 0, RETURN_MASK_ALL); |
b8c9b27d | 589 | xfree (dirarg); |
c906108c SS |
590 | |
591 | if (execarg != NULL | |
592 | && symarg != NULL | |
593 | && STREQ (execarg, symarg)) | |
594 | { | |
11cf8741 JM |
595 | /* The exec file and the symbol-file are the same. If we can't |
596 | open it, better only print one error message. | |
597 | catch_command_errors returns non-zero on success! */ | |
1adeb98a FN |
598 | if (catch_command_errors (exec_file_attach, execarg, !batch, RETURN_MASK_ALL)) |
599 | catch_command_errors (symbol_file_add_main, symarg, 0, RETURN_MASK_ALL); | |
c906108c SS |
600 | } |
601 | else | |
602 | { | |
603 | if (execarg != NULL) | |
1adeb98a | 604 | catch_command_errors (exec_file_attach, execarg, !batch, RETURN_MASK_ALL); |
c906108c | 605 | if (symarg != NULL) |
1adeb98a | 606 | catch_command_errors (symbol_file_add_main, symarg, 0, RETURN_MASK_ALL); |
c906108c | 607 | } |
c906108c SS |
608 | |
609 | /* After the symbol file has been read, print a newline to get us | |
610 | beyond the copyright line... But errors should still set off | |
611 | the error message with a (single) blank line. */ | |
612 | if (!quiet) | |
613 | printf_filtered ("\n"); | |
614 | error_pre_print = "\n"; | |
615 | quit_pre_print = error_pre_print; | |
defc6f8c | 616 | warning_pre_print = _("\nwarning: "); |
c906108c SS |
617 | |
618 | if (corearg != NULL) | |
619 | { | |
00546b04 MS |
620 | /* corearg may be either a corefile or a pid. |
621 | If its first character is a digit, try attach first | |
622 | and then corefile. Otherwise try corefile first. */ | |
623 | ||
624 | if (isdigit (corearg[0])) | |
11cf8741 | 625 | { |
00546b04 MS |
626 | if (catch_command_errors (attach_command, corearg, |
627 | !batch, RETURN_MASK_ALL) == 0) | |
628 | catch_command_errors (core_file_command, corearg, | |
629 | !batch, RETURN_MASK_ALL); | |
11cf8741 | 630 | } |
00546b04 MS |
631 | else /* Can't be a pid, better be a corefile. */ |
632 | catch_command_errors (core_file_command, corearg, | |
633 | !batch, RETURN_MASK_ALL); | |
c906108c | 634 | } |
c906108c SS |
635 | |
636 | if (ttyarg != NULL) | |
11cf8741 | 637 | catch_command_errors (tty_command, ttyarg, !batch, RETURN_MASK_ALL); |
c906108c | 638 | |
c906108c SS |
639 | /* Error messages should no longer be distinguished with extra output. */ |
640 | error_pre_print = NULL; | |
641 | quit_pre_print = NULL; | |
defc6f8c | 642 | warning_pre_print = _("warning: "); |
c906108c SS |
643 | |
644 | /* Read the .gdbinit file in the current directory, *if* it isn't | |
645 | the same as the $HOME/.gdbinit file (it should exist, also). */ | |
c5aa993b | 646 | |
c906108c SS |
647 | if (!homedir |
648 | || memcmp ((char *) &homebuf, (char *) &cwdbuf, sizeof (struct stat))) | |
649 | if (!inhibit_gdbinit) | |
650 | { | |
11cf8741 | 651 | catch_command_errors (source_command, gdbinit, 0, RETURN_MASK_ALL); |
c906108c | 652 | } |
c906108c SS |
653 | |
654 | for (i = 0; i < ncmd; i++) | |
655 | { | |
11cf8741 JM |
656 | #if 0 |
657 | /* NOTE: cagney/1999-11-03: SET_TOP_LEVEL() was a macro that | |
658 | expanded into a call to setjmp(). */ | |
659 | if (!SET_TOP_LEVEL ()) /* NB: This is #if 0'd out */ | |
c906108c | 660 | { |
b83266a0 SS |
661 | /* NOTE: I am commenting this out, because it is not clear |
662 | where this feature is used. It is very old and | |
c5aa993b | 663 | undocumented. ezannoni: 1999-05-04 */ |
b83266a0 | 664 | #if 0 |
c906108c SS |
665 | if (cmdarg[i][0] == '-' && cmdarg[i][1] == '\0') |
666 | read_command_file (stdin); | |
667 | else | |
b83266a0 | 668 | #endif |
c906108c SS |
669 | source_command (cmdarg[i], !batch); |
670 | do_cleanups (ALL_CLEANUPS); | |
671 | } | |
11cf8741 JM |
672 | #endif |
673 | catch_command_errors (source_command, cmdarg[i], !batch, RETURN_MASK_ALL); | |
c906108c | 674 | } |
b8c9b27d | 675 | xfree (cmdarg); |
c906108c SS |
676 | |
677 | /* Read in the old history after all the command files have been read. */ | |
c5aa993b | 678 | init_history (); |
c906108c SS |
679 | |
680 | if (batch) | |
681 | { | |
682 | /* We have hit the end of the batch file. */ | |
683 | exit (0); | |
684 | } | |
685 | ||
686 | /* Do any host- or target-specific hacks. This is used for i960 targets | |
687 | to force the user to set a nindy target and spec its parameters. */ | |
688 | ||
689 | #ifdef BEFORE_MAIN_LOOP_HOOK | |
690 | BEFORE_MAIN_LOOP_HOOK; | |
691 | #endif | |
692 | ||
693 | END_PROGRESS (argv[0]); | |
694 | ||
695 | /* Show time and/or space usage. */ | |
696 | ||
697 | if (display_time) | |
698 | { | |
699 | long init_time = get_run_time () - time_at_startup; | |
700 | ||
defc6f8c | 701 | printf_unfiltered (_("Startup time: %ld.%06ld\n"), |
c906108c SS |
702 | init_time / 1000000, init_time % 1000000); |
703 | } | |
704 | ||
705 | if (display_space) | |
706 | { | |
707 | #ifdef HAVE_SBRK | |
708 | extern char **environ; | |
709 | char *lim = (char *) sbrk (0); | |
710 | ||
defc6f8c | 711 | printf_unfiltered (_("Startup size: data size %ld\n"), |
c906108c SS |
712 | (long) (lim - (char *) &environ)); |
713 | #endif | |
714 | } | |
715 | ||
11cf8741 JM |
716 | #if 0 |
717 | /* FIXME: cagney/1999-11-06: The original main loop was like: */ | |
c906108c SS |
718 | while (1) |
719 | { | |
720 | if (!SET_TOP_LEVEL ()) | |
721 | { | |
c5aa993b | 722 | do_cleanups (ALL_CLEANUPS); /* Do complete cleanup */ |
c906108c SS |
723 | /* GUIs generally have their own command loop, mainloop, or whatever. |
724 | This is a good place to gain control because many error | |
725 | conditions will end up here via longjmp(). */ | |
726 | if (command_loop_hook) | |
727 | command_loop_hook (); | |
728 | else | |
729 | command_loop (); | |
c5aa993b | 730 | quit_command ((char *) 0, instream == stdin); |
c906108c SS |
731 | } |
732 | } | |
11cf8741 JM |
733 | /* NOTE: If the command_loop() returned normally, the loop would |
734 | attempt to exit by calling the function quit_command(). That | |
735 | function would either call exit() or throw an error returning | |
736 | control to SET_TOP_LEVEL. */ | |
737 | /* NOTE: The function do_cleanups() was called once each time round | |
738 | the loop. The usefulness of the call isn't clear. If an error | |
739 | was thrown, everything would have already been cleaned up. If | |
740 | command_loop() returned normally and quit_command() was called, | |
741 | either exit() or error() (again cleaning up) would be called. */ | |
742 | #endif | |
743 | /* NOTE: cagney/1999-11-07: There is probably no reason for not | |
744 | moving this loop and the code found in captured_command_loop() | |
745 | into the command_loop() proper. The main thing holding back that | |
746 | change - SET_TOP_LEVEL() - has been eliminated. */ | |
747 | while (1) | |
748 | { | |
749 | catch_errors (captured_command_loop, 0, "", RETURN_MASK_ALL); | |
750 | } | |
11cf8741 JM |
751 | /* No exit -- exit is through quit_command. */ |
752 | } | |
c906108c | 753 | |
11cf8741 | 754 | int |
f15ab4a7 | 755 | gdb_main (struct captured_main_args *args) |
11cf8741 | 756 | { |
f15ab4a7 AC |
757 | use_windows = args->use_windows; |
758 | catch_errors (captured_main, args, "", RETURN_MASK_ALL); | |
11cf8741 | 759 | return 0; |
c906108c SS |
760 | } |
761 | ||
11cf8741 | 762 | |
c906108c SS |
763 | /* Don't use *_filtered for printing help. We don't want to prompt |
764 | for continue no matter how small the screen or how much we're going | |
765 | to print. */ | |
766 | ||
767 | static void | |
d9fcf2fb | 768 | print_gdb_help (struct ui_file *stream) |
c906108c | 769 | { |
defc6f8c | 770 | fputs_unfiltered (_("\ |
c906108c | 771 | This is the GNU debugger. Usage:\n\n\ |
552c04a7 TT |
772 | gdb [options] [executable-file [core-file or process-id]]\n\ |
773 | gdb [options] --args executable-file [inferior-arguments ...]\n\n\ | |
c906108c | 774 | Options:\n\n\ |
defc6f8c TT |
775 | "), stream); |
776 | fputs_unfiltered (_("\ | |
552c04a7 | 777 | --args Arguments after executable-file are passed to inferior\n\ |
defc6f8c TT |
778 | "), stream); |
779 | fputs_unfiltered (_("\ | |
0f71a2f6 | 780 | --[no]async Enable (disable) asynchronous version of CLI\n\ |
defc6f8c TT |
781 | "), stream); |
782 | fputs_unfiltered (_("\ | |
c906108c SS |
783 | -b BAUDRATE Set serial port baud rate used for remote debugging.\n\ |
784 | --batch Exit after processing options.\n\ | |
785 | --cd=DIR Change current directory to DIR.\n\ | |
786 | --command=FILE Execute GDB commands from FILE.\n\ | |
787 | --core=COREFILE Analyze the core dump COREFILE.\n\ | |
00546b04 | 788 | --pid=PID Attach to running process PID.\n\ |
defc6f8c TT |
789 | "), stream); |
790 | fputs_unfiltered (_("\ | |
c906108c SS |
791 | --dbx DBX compatibility mode.\n\ |
792 | --directory=DIR Search for source files in DIR.\n\ | |
793 | --epoch Output information used by epoch emacs-GDB interface.\n\ | |
794 | --exec=EXECFILE Use EXECFILE as the executable.\n\ | |
795 | --fullname Output information used by emacs-GDB interface.\n\ | |
796 | --help Print this message.\n\ | |
defc6f8c TT |
797 | "), stream); |
798 | fputs_unfiltered (_("\ | |
8b93c638 JM |
799 | --interpreter=INTERP\n\ |
800 | Select a specific interpreter / user interface\n\ | |
defc6f8c TT |
801 | "), stream); |
802 | fputs_unfiltered (_("\ | |
c906108c SS |
803 | --mapped Use mapped symbol files if supported on this system.\n\ |
804 | --nw Do not use a window interface.\n\ | |
defc6f8c | 805 | --nx Do not read "), stream); |
96baa820 | 806 | fputs_unfiltered (gdbinit, stream); |
defc6f8c | 807 | fputs_unfiltered (_(" file.\n\ |
c906108c SS |
808 | --quiet Do not print version number on startup.\n\ |
809 | --readnow Fully read symbol files on first access.\n\ | |
defc6f8c TT |
810 | "), stream); |
811 | fputs_unfiltered (_("\ | |
c906108c SS |
812 | --se=FILE Use FILE as symbol file and executable file.\n\ |
813 | --symbols=SYMFILE Read symbols from SYMFILE.\n\ | |
814 | --tty=TTY Use TTY for input/output by the program being debugged.\n\ | |
defc6f8c | 815 | "), stream); |
c906108c | 816 | #if defined(TUI) |
defc6f8c | 817 | fputs_unfiltered (_("\ |
c906108c | 818 | --tui Use a terminal user interface.\n\ |
defc6f8c | 819 | "), stream); |
c906108c | 820 | #endif |
defc6f8c | 821 | fputs_unfiltered (_("\ |
c906108c SS |
822 | --version Print version information and then exit.\n\ |
823 | -w Use a window interface.\n\ | |
824 | --write Set writing into executable and core files.\n\ | |
825 | --xdb XDB compatibility mode.\n\ | |
defc6f8c | 826 | "), stream); |
defc6f8c | 827 | fputs_unfiltered (_("\n\ |
c906108c SS |
828 | For more information, type \"help\" from within GDB, or consult the\n\ |
829 | GDB manual (available as on-line info or a printed manual).\n\ | |
2df3850c | 830 | Report bugs to \"bug-gdb@gnu.org\".\ |
defc6f8c | 831 | "), stream); |
c906108c | 832 | } |