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 xdb commands will be handled */ |
64 | int xdb_commands = 0; | |
65 | ||
66 | /* Whether dbx commands will be handled */ | |
67 | int dbx_commands = 0; | |
68 | ||
030292b7 DJ |
69 | /* System root path, used to find libraries etc. */ |
70 | char *gdb_sysroot = 0; | |
71 | ||
d9fcf2fb JM |
72 | struct ui_file *gdb_stdout; |
73 | struct ui_file *gdb_stderr; | |
74 | struct ui_file *gdb_stdlog; | |
75 | struct ui_file *gdb_stdtarg; | |
c906108c | 76 | |
2acceee2 JM |
77 | /* Used to initialize error() - defined in utils.c */ |
78 | ||
79 | extern void error_init (void); | |
80 | ||
c906108c SS |
81 | /* Whether to enable writing into executable and core files */ |
82 | extern int write_files; | |
83 | ||
d9fcf2fb | 84 | static void print_gdb_help (struct ui_file *); |
c906108c SS |
85 | |
86 | /* These two are used to set the external editor commands when gdb is farming | |
87 | out files to be edited by another program. */ | |
88 | ||
c5aa993b | 89 | extern char *external_editor_command; |
c906108c | 90 | |
11cf8741 JM |
91 | /* Call command_loop. If it happens to return, pass that through as a |
92 | non-zero return status. */ | |
93 | ||
94 | static int | |
95 | captured_command_loop (void *data) | |
c906108c | 96 | { |
4389a95a | 97 | current_interp_command_loop (); |
11cf8741 JM |
98 | /* FIXME: cagney/1999-11-05: A correct command_loop() implementaton |
99 | would clean things up (restoring the cleanup chain) to the state | |
100 | they were just prior to the call. Technically, this means that | |
e26cc349 | 101 | the do_cleanups() below is redundant. Unfortunately, many FUNCs |
11cf8741 JM |
102 | are not that well behaved. do_cleanups should either be replaced |
103 | with a do_cleanups call (to cover the problem) or an assertion | |
104 | check to detect bad FUNCs code. */ | |
105 | do_cleanups (ALL_CLEANUPS); | |
106 | /* If the command_loop returned, normally (rather than threw an | |
107 | error) we try to quit. If the quit is aborted, catch_errors() | |
108 | which called this catch the signal and restart the command | |
109 | loop. */ | |
110 | quit_command (NULL, instream == stdin); | |
111 | return 1; | |
112 | } | |
113 | ||
11cf8741 JM |
114 | static int |
115 | captured_main (void *data) | |
116 | { | |
117 | struct captured_main_args *context = data; | |
118 | int argc = context->argc; | |
119 | char **argv = context->argv; | |
c906108c SS |
120 | int count; |
121 | static int quiet = 0; | |
122 | static int batch = 0; | |
552c04a7 | 123 | static int set_args = 0; |
c906108c SS |
124 | |
125 | /* Pointers to various arguments from command line. */ | |
126 | char *symarg = NULL; | |
127 | char *execarg = NULL; | |
128 | char *corearg = NULL; | |
129 | char *cdarg = NULL; | |
130 | char *ttyarg = NULL; | |
131 | ||
132 | /* These are static so that we can take their address in an initializer. */ | |
133 | static int print_help; | |
134 | static int print_version; | |
135 | ||
136 | /* Pointers to all arguments of --command option. */ | |
137 | char **cmdarg; | |
138 | /* Allocated size of cmdarg. */ | |
139 | int cmdsize; | |
140 | /* Number of elements of cmdarg used. */ | |
141 | int ncmd; | |
142 | ||
143 | /* Indices of all arguments of --directory option. */ | |
144 | char **dirarg; | |
145 | /* Allocated size. */ | |
146 | int dirsize; | |
147 | /* Number of elements used. */ | |
148 | int ndir; | |
c5aa993b | 149 | |
c906108c SS |
150 | struct stat homebuf, cwdbuf; |
151 | char *homedir, *homeinit; | |
152 | ||
153 | register int i; | |
154 | ||
155 | long time_at_startup = get_run_time (); | |
156 | ||
0fbb3da7 TT |
157 | #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES) |
158 | setlocale (LC_MESSAGES, ""); | |
159 | #endif | |
160 | #if defined (HAVE_SETLOCALE) | |
161 | setlocale (LC_CTYPE, ""); | |
162 | #endif | |
163 | bindtextdomain (PACKAGE, LOCALEDIR); | |
164 | textdomain (PACKAGE); | |
165 | ||
c906108c SS |
166 | START_PROGRESS (argv[0], 0); |
167 | ||
c906108c | 168 | /* This needs to happen before the first use of malloc. */ |
762f08a3 | 169 | init_malloc (NULL); |
c906108c SS |
170 | |
171 | #if defined (ALIGN_STACK_ON_STARTUP) | |
172 | i = (int) &count & 0x3; | |
173 | if (i != 0) | |
174 | alloca (4 - i); | |
175 | #endif | |
176 | ||
c906108c SS |
177 | cmdsize = 1; |
178 | cmdarg = (char **) xmalloc (cmdsize * sizeof (*cmdarg)); | |
179 | ncmd = 0; | |
180 | dirsize = 1; | |
181 | dirarg = (char **) xmalloc (dirsize * sizeof (*dirarg)); | |
182 | ndir = 0; | |
183 | ||
184 | quit_flag = 0; | |
185 | line = (char *) xmalloc (linesize); | |
186 | line[0] = '\0'; /* Terminate saved (now empty) cmd line */ | |
187 | instream = stdin; | |
188 | ||
189 | getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); | |
190 | current_directory = gdb_dirbuf; | |
191 | ||
da59e081 JM |
192 | gdb_stdout = stdio_fileopen (stdout); |
193 | gdb_stderr = stdio_fileopen (stderr); | |
194 | gdb_stdlog = gdb_stderr; /* for moment */ | |
195 | gdb_stdtarg = gdb_stderr; /* for moment */ | |
c906108c | 196 | |
2acceee2 JM |
197 | /* initialize error() */ |
198 | error_init (); | |
199 | ||
030292b7 DJ |
200 | /* Set the sysroot path. */ |
201 | #ifdef TARGET_SYSTEM_ROOT_RELOCATABLE | |
202 | gdb_sysroot = make_relative_prefix (argv[0], BINDIR, TARGET_SYSTEM_ROOT); | |
203 | if (gdb_sysroot) | |
204 | { | |
205 | struct stat s; | |
206 | int res = 0; | |
207 | ||
208 | if (stat (gdb_sysroot, &s) == 0) | |
209 | if (S_ISDIR (s.st_mode)) | |
210 | res = 1; | |
211 | ||
212 | if (res == 0) | |
213 | { | |
a84d24ee | 214 | xfree (gdb_sysroot); |
030292b7 DJ |
215 | gdb_sysroot = TARGET_SYSTEM_ROOT; |
216 | } | |
217 | } | |
218 | else | |
219 | gdb_sysroot = TARGET_SYSTEM_ROOT; | |
220 | #else | |
221 | #if defined (TARGET_SYSTEM_ROOT) | |
222 | gdb_sysroot = TARGET_SYSTEM_ROOT; | |
223 | #else | |
224 | gdb_sysroot = ""; | |
225 | #endif | |
226 | #endif | |
227 | ||
4389a95a | 228 | /* There will always be an interpreter. Either the one passed into |
e46e5ccd KS |
229 | this captured main, or one specified by the user at start up, or |
230 | the console. Initialize the interpreter to the one requested by | |
231 | the application. */ | |
232 | interpreter_p = xstrdup (context->interpreter_p); | |
4389a95a | 233 | |
c906108c SS |
234 | /* Parse arguments and options. */ |
235 | { | |
236 | int c; | |
237 | /* When var field is 0, use flag field to record the equivalent | |
238 | short option (or arbitrary numbers starting at 10 for those | |
239 | with no equivalent). */ | |
49c7e338 AC |
240 | enum { |
241 | OPT_SE = 10, | |
242 | OPT_CD, | |
243 | OPT_ANNOTATE, | |
244 | OPT_STATISTICS, | |
42fa7c0f AC |
245 | OPT_TUI, |
246 | OPT_NOWINDOWS, | |
247 | OPT_WINDOWS | |
49c7e338 | 248 | }; |
c906108c | 249 | static struct option long_options[] = |
c5aa993b | 250 | { |
6426a772 JM |
251 | {"async", no_argument, &event_loop_p, 1}, |
252 | {"noasync", no_argument, &event_loop_p, 0}, | |
c906108c | 253 | #if defined(TUI) |
49c7e338 | 254 | {"tui", no_argument, 0, OPT_TUI}, |
c906108c | 255 | #endif |
c5aa993b JM |
256 | {"xdb", no_argument, &xdb_commands, 1}, |
257 | {"dbx", no_argument, &dbx_commands, 1}, | |
258 | {"readnow", no_argument, &readnow_symbol_files, 1}, | |
259 | {"r", no_argument, &readnow_symbol_files, 1}, | |
260 | {"mapped", no_argument, &mapped_symbol_files, 1}, | |
261 | {"m", no_argument, &mapped_symbol_files, 1}, | |
262 | {"quiet", no_argument, &quiet, 1}, | |
263 | {"q", no_argument, &quiet, 1}, | |
264 | {"silent", no_argument, &quiet, 1}, | |
265 | {"nx", no_argument, &inhibit_gdbinit, 1}, | |
266 | {"n", no_argument, &inhibit_gdbinit, 1}, | |
267 | {"batch", no_argument, &batch, 1}, | |
268 | {"epoch", no_argument, &epoch_interface, 1}, | |
269 | ||
270 | /* This is a synonym for "--annotate=1". --annotate is now preferred, | |
271 | but keep this here for a long time because people will be running | |
272 | emacses which use --fullname. */ | |
273 | {"fullname", no_argument, 0, 'f'}, | |
274 | {"f", no_argument, 0, 'f'}, | |
275 | ||
49c7e338 | 276 | {"annotate", required_argument, 0, OPT_ANNOTATE}, |
c5aa993b | 277 | {"help", no_argument, &print_help, 1}, |
49c7e338 | 278 | {"se", required_argument, 0, OPT_SE}, |
c5aa993b JM |
279 | {"symbols", required_argument, 0, 's'}, |
280 | {"s", required_argument, 0, 's'}, | |
281 | {"exec", required_argument, 0, 'e'}, | |
282 | {"e", required_argument, 0, 'e'}, | |
283 | {"core", required_argument, 0, 'c'}, | |
284 | {"c", required_argument, 0, 'c'}, | |
00546b04 MS |
285 | {"pid", required_argument, 0, 'p'}, |
286 | {"p", required_argument, 0, 'p'}, | |
c5aa993b JM |
287 | {"command", required_argument, 0, 'x'}, |
288 | {"version", no_argument, &print_version, 1}, | |
289 | {"x", required_argument, 0, 'x'}, | |
3fc11d3e JM |
290 | #ifdef GDBTK |
291 | {"tclcommand", required_argument, 0, 'z'}, | |
292 | {"enable-external-editor", no_argument, 0, 'y'}, | |
293 | {"editor-command", required_argument, 0, 'w'}, | |
294 | #endif | |
8b93c638 JM |
295 | {"ui", required_argument, 0, 'i'}, |
296 | {"interpreter", required_argument, 0, 'i'}, | |
297 | {"i", required_argument, 0, 'i'}, | |
c5aa993b | 298 | {"directory", required_argument, 0, 'd'}, |
c4093a6a | 299 | {"d", required_argument, 0, 'd'}, |
49c7e338 | 300 | {"cd", required_argument, 0, OPT_CD}, |
c5aa993b JM |
301 | {"tty", required_argument, 0, 't'}, |
302 | {"baud", required_argument, 0, 'b'}, | |
303 | {"b", required_argument, 0, 'b'}, | |
42fa7c0f AC |
304 | {"nw", no_argument, NULL, OPT_NOWINDOWS}, |
305 | {"nowindows", no_argument, NULL, OPT_NOWINDOWS}, | |
306 | {"w", no_argument, NULL, OPT_WINDOWS}, | |
307 | {"windows", no_argument, NULL, OPT_WINDOWS}, | |
49c7e338 | 308 | {"statistics", no_argument, 0, OPT_STATISTICS}, |
c5aa993b | 309 | {"write", no_argument, &write_files, 1}, |
552c04a7 | 310 | {"args", no_argument, &set_args, 1}, |
c5aa993b JM |
311 | {0, no_argument, 0, 0} |
312 | }; | |
c906108c SS |
313 | |
314 | while (1) | |
315 | { | |
316 | int option_index; | |
317 | ||
318 | c = getopt_long_only (argc, argv, "", | |
319 | long_options, &option_index); | |
552c04a7 | 320 | if (c == EOF || set_args) |
c906108c SS |
321 | break; |
322 | ||
323 | /* Long option that takes an argument. */ | |
324 | if (c == 0 && long_options[option_index].flag == 0) | |
325 | c = long_options[option_index].val; | |
326 | ||
327 | switch (c) | |
328 | { | |
329 | case 0: | |
330 | /* Long option that just sets a flag. */ | |
331 | break; | |
49c7e338 | 332 | case OPT_SE: |
c906108c SS |
333 | symarg = optarg; |
334 | execarg = optarg; | |
335 | break; | |
49c7e338 | 336 | case OPT_CD: |
c906108c SS |
337 | cdarg = optarg; |
338 | break; | |
49c7e338 | 339 | case OPT_ANNOTATE: |
c906108c SS |
340 | /* FIXME: what if the syntax is wrong (e.g. not digits)? */ |
341 | annotation_level = atoi (optarg); | |
342 | break; | |
49c7e338 | 343 | case OPT_STATISTICS: |
c906108c SS |
344 | /* Enable the display of both time and space usage. */ |
345 | display_time = 1; | |
346 | display_space = 1; | |
347 | break; | |
49c7e338 | 348 | case OPT_TUI: |
021e7609 AC |
349 | /* --tui is equivalent to -i=tui. */ |
350 | xfree (interpreter_p); | |
351 | interpreter_p = xstrdup ("tui"); | |
352 | break; | |
42fa7c0f AC |
353 | case OPT_WINDOWS: |
354 | /* FIXME: cagney/2003-03-01: Not sure if this option is | |
355 | actually useful, and if it is, what it should do. */ | |
356 | use_windows = 1; | |
357 | break; | |
358 | case OPT_NOWINDOWS: | |
359 | /* -nw is equivalent to -i=console. */ | |
360 | xfree (interpreter_p); | |
361 | interpreter_p = xstrdup (INTERP_CONSOLE); | |
362 | use_windows = 0; | |
363 | break; | |
c906108c SS |
364 | case 'f': |
365 | annotation_level = 1; | |
366 | /* We have probably been invoked from emacs. Disable window interface. */ | |
367 | use_windows = 0; | |
368 | break; | |
369 | case 's': | |
370 | symarg = optarg; | |
371 | break; | |
372 | case 'e': | |
373 | execarg = optarg; | |
374 | break; | |
375 | case 'c': | |
376 | corearg = optarg; | |
377 | break; | |
00546b04 MS |
378 | case 'p': |
379 | /* "corearg" is shared by "--core" and "--pid" */ | |
380 | corearg = optarg; | |
381 | break; | |
c906108c SS |
382 | case 'x': |
383 | cmdarg[ncmd++] = optarg; | |
384 | if (ncmd >= cmdsize) | |
385 | { | |
386 | cmdsize *= 2; | |
c5aa993b | 387 | cmdarg = (char **) xrealloc ((char *) cmdarg, |
c906108c SS |
388 | cmdsize * sizeof (*cmdarg)); |
389 | } | |
390 | break; | |
3fc11d3e JM |
391 | #ifdef GDBTK |
392 | case 'z': | |
393 | { | |
a14ed312 | 394 | extern int gdbtk_test (char *); |
3fc11d3e JM |
395 | if (!gdbtk_test (optarg)) |
396 | { | |
defc6f8c | 397 | fprintf_unfiltered (gdb_stderr, _("%s: unable to load tclcommand file \"%s\""), |
3fc11d3e JM |
398 | argv[0], optarg); |
399 | exit (1); | |
400 | } | |
401 | break; | |
402 | } | |
403 | case 'y': | |
78f49586 TT |
404 | /* Backwards compatibility only. */ |
405 | break; | |
3fc11d3e JM |
406 | case 'w': |
407 | { | |
3fc11d3e JM |
408 | external_editor_command = xstrdup (optarg); |
409 | break; | |
410 | } | |
411 | #endif /* GDBTK */ | |
fb40c209 | 412 | case 'i': |
4389a95a AC |
413 | xfree (interpreter_p); |
414 | interpreter_p = xstrdup (optarg); | |
fb40c209 | 415 | break; |
c906108c SS |
416 | case 'd': |
417 | dirarg[ndir++] = optarg; | |
418 | if (ndir >= dirsize) | |
419 | { | |
420 | dirsize *= 2; | |
c5aa993b | 421 | dirarg = (char **) xrealloc ((char *) dirarg, |
c906108c SS |
422 | dirsize * sizeof (*dirarg)); |
423 | } | |
424 | break; | |
425 | case 't': | |
426 | ttyarg = optarg; | |
427 | break; | |
428 | case 'q': | |
429 | quiet = 1; | |
430 | break; | |
431 | case 'b': | |
432 | { | |
433 | int i; | |
434 | char *p; | |
435 | ||
436 | i = strtol (optarg, &p, 0); | |
437 | if (i == 0 && p == optarg) | |
438 | ||
439 | /* Don't use *_filtered or warning() (which relies on | |
c5aa993b | 440 | current_target) until after initialize_all_files(). */ |
c906108c SS |
441 | |
442 | fprintf_unfiltered | |
443 | (gdb_stderr, | |
defc6f8c | 444 | _("warning: could not set baud rate to `%s'.\n"), optarg); |
c906108c SS |
445 | else |
446 | baud_rate = i; | |
447 | } | |
046ca86a | 448 | break; |
c906108c SS |
449 | case 'l': |
450 | { | |
451 | int i; | |
452 | char *p; | |
453 | ||
454 | i = strtol (optarg, &p, 0); | |
455 | if (i == 0 && p == optarg) | |
456 | ||
457 | /* Don't use *_filtered or warning() (which relies on | |
c5aa993b | 458 | current_target) until after initialize_all_files(). */ |
c906108c SS |
459 | |
460 | fprintf_unfiltered | |
461 | (gdb_stderr, | |
defc6f8c | 462 | _("warning: could not set timeout limit to `%s'.\n"), optarg); |
c906108c SS |
463 | else |
464 | remote_timeout = i; | |
465 | } | |
466 | break; | |
467 | ||
c906108c SS |
468 | case '?': |
469 | fprintf_unfiltered (gdb_stderr, | |
defc6f8c | 470 | _("Use `%s --help' for a complete list of options.\n"), |
c5aa993b | 471 | argv[0]); |
c906108c SS |
472 | exit (1); |
473 | } | |
474 | } | |
475 | ||
476 | /* If --help or --version, disable window interface. */ | |
477 | if (print_help || print_version) | |
478 | { | |
479 | use_windows = 0; | |
c906108c SS |
480 | } |
481 | ||
552c04a7 TT |
482 | if (set_args) |
483 | { | |
484 | /* The remaining options are the command-line options for the | |
485 | inferior. The first one is the sym/exec file, and the rest | |
486 | are arguments. */ | |
487 | if (optind >= argc) | |
488 | { | |
489 | fprintf_unfiltered (gdb_stderr, | |
defc6f8c | 490 | _("%s: `--args' specified but no program specified\n"), |
552c04a7 TT |
491 | argv[0]); |
492 | exit (1); | |
493 | } | |
494 | symarg = argv[optind]; | |
495 | execarg = argv[optind]; | |
496 | ++optind; | |
497 | set_inferior_args_vector (argc - optind, &argv[optind]); | |
498 | } | |
499 | else | |
500 | { | |
501 | /* OK, that's all the options. The other arguments are filenames. */ | |
502 | count = 0; | |
503 | for (; optind < argc; optind++) | |
504 | switch (++count) | |
505 | { | |
506 | case 1: | |
507 | symarg = argv[optind]; | |
508 | execarg = argv[optind]; | |
509 | break; | |
510 | case 2: | |
00546b04 MS |
511 | /* The documentation says this can be a "ProcID" as well. |
512 | We will try it as both a corefile and a pid. */ | |
552c04a7 TT |
513 | corearg = argv[optind]; |
514 | break; | |
515 | case 3: | |
516 | fprintf_unfiltered (gdb_stderr, | |
defc6f8c | 517 | _("Excess command line arguments ignored. (%s%s)\n"), |
552c04a7 TT |
518 | argv[optind], (optind == argc - 1) ? "" : " ..."); |
519 | break; | |
520 | } | |
521 | } | |
c906108c SS |
522 | if (batch) |
523 | quiet = 1; | |
524 | } | |
525 | ||
0f71a2f6 JM |
526 | /* Initialize all files. Give the interpreter a chance to take |
527 | control of the console via the init_ui_hook()) */ | |
c906108c SS |
528 | gdb_init (argv[0]); |
529 | ||
530 | /* Do these (and anything which might call wrap_here or *_filtered) | |
4389a95a AC |
531 | after initialize_all_files() but before the interpreter has been |
532 | installed. Otherwize the help/version messages will be eaten by | |
533 | the interpreter's output handler. */ | |
534 | ||
c906108c SS |
535 | if (print_version) |
536 | { | |
537 | print_gdb_version (gdb_stdout); | |
538 | wrap_here (""); | |
539 | printf_filtered ("\n"); | |
540 | exit (0); | |
541 | } | |
542 | ||
543 | if (print_help) | |
544 | { | |
545 | print_gdb_help (gdb_stdout); | |
546 | fputs_unfiltered ("\n", gdb_stdout); | |
547 | exit (0); | |
548 | } | |
549 | ||
4389a95a AC |
550 | /* FIXME: cagney/2003-02-03: The big hack (part 1 of 2) that lets |
551 | GDB retain the old MI1 interpreter startup behavior. Output the | |
552 | copyright message before the interpreter is installed. That way | |
553 | it isn't encapsulated in MI output. */ | |
554 | if (!quiet && strcmp (interpreter_p, INTERP_MI1) == 0) | |
555 | { | |
556 | /* Print all the junk at the top, with trailing "..." if we are about | |
557 | to read a symbol file (possibly slowly). */ | |
558 | print_gdb_version (gdb_stdout); | |
559 | if (symarg) | |
560 | printf_filtered (".."); | |
561 | wrap_here (""); | |
562 | gdb_flush (gdb_stdout); /* Force to screen during slow operations */ | |
563 | } | |
564 | ||
565 | ||
566 | /* Install the default UI. All the interpreters should have had a | |
567 | look at things by now. Initialize the default interpreter. */ | |
568 | ||
569 | { | |
570 | /* Find it. */ | |
571 | struct interp *interp = interp_lookup (interpreter_p); | |
572 | if (interp == NULL) | |
573 | { | |
574 | fprintf_unfiltered (gdb_stderr, "Interpreter `%s' unrecognized.\n", | |
575 | interpreter_p); | |
576 | exit (1); | |
577 | } | |
578 | /* Install it. */ | |
579 | if (!interp_set (interp)) | |
580 | { | |
581 | fprintf_unfiltered (gdb_stderr, | |
582 | "Interpreter `%s' failed to initialize.\n", | |
583 | interpreter_p); | |
584 | exit (1); | |
585 | } | |
586 | } | |
587 | ||
588 | /* FIXME: cagney/2003-02-03: The big hack (part 2 of 2) that lets | |
589 | GDB retain the old MI1 interpreter startup behavior. Output the | |
590 | copyright message after the interpreter is installed when it is | |
591 | any sane interpreter. */ | |
592 | if (!quiet && !current_interp_named_p (INTERP_MI1)) | |
c906108c SS |
593 | { |
594 | /* Print all the junk at the top, with trailing "..." if we are about | |
c5aa993b | 595 | to read a symbol file (possibly slowly). */ |
c906108c SS |
596 | print_gdb_version (gdb_stdout); |
597 | if (symarg) | |
598 | printf_filtered (".."); | |
c5aa993b JM |
599 | wrap_here (""); |
600 | gdb_flush (gdb_stdout); /* Force to screen during slow operations */ | |
c906108c SS |
601 | } |
602 | ||
603 | error_pre_print = "\n\n"; | |
604 | quit_pre_print = error_pre_print; | |
605 | ||
606 | /* We may get more than one warning, don't double space all of them... */ | |
defc6f8c | 607 | warning_pre_print = _("\nwarning: "); |
c906108c SS |
608 | |
609 | /* Read and execute $HOME/.gdbinit file, if it exists. This is done | |
610 | *before* all the command line arguments are processed; it sets | |
611 | global parameters, which are independent of what file you are | |
612 | debugging or what directory you are in. */ | |
c5aa993b | 613 | homedir = getenv ("HOME"); |
c906108c SS |
614 | if (homedir) |
615 | { | |
616 | homeinit = (char *) alloca (strlen (homedir) + | |
617 | strlen (gdbinit) + 10); | |
618 | strcpy (homeinit, homedir); | |
619 | strcat (homeinit, "/"); | |
620 | strcat (homeinit, gdbinit); | |
621 | ||
622 | if (!inhibit_gdbinit) | |
623 | { | |
11cf8741 | 624 | catch_command_errors (source_command, homeinit, 0, RETURN_MASK_ALL); |
c906108c | 625 | } |
c906108c SS |
626 | |
627 | /* Do stats; no need to do them elsewhere since we'll only | |
c5aa993b JM |
628 | need them if homedir is set. Make sure that they are |
629 | zero in case one of them fails (this guarantees that they | |
630 | won't match if either exists). */ | |
631 | ||
c906108c SS |
632 | memset (&homebuf, 0, sizeof (struct stat)); |
633 | memset (&cwdbuf, 0, sizeof (struct stat)); | |
c5aa993b | 634 | |
c906108c | 635 | stat (homeinit, &homebuf); |
c5aa993b JM |
636 | stat (gdbinit, &cwdbuf); /* We'll only need this if |
637 | homedir was set. */ | |
c906108c SS |
638 | } |
639 | ||
640 | /* Now perform all the actions indicated by the arguments. */ | |
641 | if (cdarg != NULL) | |
642 | { | |
11cf8741 | 643 | catch_command_errors (cd_command, cdarg, 0, RETURN_MASK_ALL); |
c906108c | 644 | } |
c906108c SS |
645 | |
646 | for (i = 0; i < ndir; i++) | |
11cf8741 | 647 | catch_command_errors (directory_command, dirarg[i], 0, RETURN_MASK_ALL); |
b8c9b27d | 648 | xfree (dirarg); |
c906108c SS |
649 | |
650 | if (execarg != NULL | |
651 | && symarg != NULL | |
5cb316ef | 652 | && strcmp (execarg, symarg) == 0) |
c906108c | 653 | { |
11cf8741 JM |
654 | /* The exec file and the symbol-file are the same. If we can't |
655 | open it, better only print one error message. | |
656 | catch_command_errors returns non-zero on success! */ | |
1adeb98a FN |
657 | if (catch_command_errors (exec_file_attach, execarg, !batch, RETURN_MASK_ALL)) |
658 | catch_command_errors (symbol_file_add_main, symarg, 0, RETURN_MASK_ALL); | |
c906108c SS |
659 | } |
660 | else | |
661 | { | |
662 | if (execarg != NULL) | |
1adeb98a | 663 | catch_command_errors (exec_file_attach, execarg, !batch, RETURN_MASK_ALL); |
c906108c | 664 | if (symarg != NULL) |
1adeb98a | 665 | catch_command_errors (symbol_file_add_main, symarg, 0, RETURN_MASK_ALL); |
c906108c | 666 | } |
c906108c SS |
667 | |
668 | /* After the symbol file has been read, print a newline to get us | |
669 | beyond the copyright line... But errors should still set off | |
670 | the error message with a (single) blank line. */ | |
671 | if (!quiet) | |
672 | printf_filtered ("\n"); | |
673 | error_pre_print = "\n"; | |
674 | quit_pre_print = error_pre_print; | |
defc6f8c | 675 | warning_pre_print = _("\nwarning: "); |
c906108c SS |
676 | |
677 | if (corearg != NULL) | |
678 | { | |
00546b04 MS |
679 | /* corearg may be either a corefile or a pid. |
680 | If its first character is a digit, try attach first | |
681 | and then corefile. Otherwise try corefile first. */ | |
682 | ||
683 | if (isdigit (corearg[0])) | |
11cf8741 | 684 | { |
00546b04 MS |
685 | if (catch_command_errors (attach_command, corearg, |
686 | !batch, RETURN_MASK_ALL) == 0) | |
687 | catch_command_errors (core_file_command, corearg, | |
688 | !batch, RETURN_MASK_ALL); | |
11cf8741 | 689 | } |
00546b04 MS |
690 | else /* Can't be a pid, better be a corefile. */ |
691 | catch_command_errors (core_file_command, corearg, | |
692 | !batch, RETURN_MASK_ALL); | |
c906108c | 693 | } |
c906108c SS |
694 | |
695 | if (ttyarg != NULL) | |
11cf8741 | 696 | catch_command_errors (tty_command, ttyarg, !batch, RETURN_MASK_ALL); |
c906108c | 697 | |
c906108c SS |
698 | /* Error messages should no longer be distinguished with extra output. */ |
699 | error_pre_print = NULL; | |
700 | quit_pre_print = NULL; | |
defc6f8c | 701 | warning_pre_print = _("warning: "); |
c906108c SS |
702 | |
703 | /* Read the .gdbinit file in the current directory, *if* it isn't | |
704 | the same as the $HOME/.gdbinit file (it should exist, also). */ | |
c5aa993b | 705 | |
c906108c SS |
706 | if (!homedir |
707 | || memcmp ((char *) &homebuf, (char *) &cwdbuf, sizeof (struct stat))) | |
708 | if (!inhibit_gdbinit) | |
709 | { | |
11cf8741 | 710 | catch_command_errors (source_command, gdbinit, 0, RETURN_MASK_ALL); |
c906108c | 711 | } |
c906108c SS |
712 | |
713 | for (i = 0; i < ncmd; i++) | |
714 | { | |
11cf8741 JM |
715 | #if 0 |
716 | /* NOTE: cagney/1999-11-03: SET_TOP_LEVEL() was a macro that | |
717 | expanded into a call to setjmp(). */ | |
718 | if (!SET_TOP_LEVEL ()) /* NB: This is #if 0'd out */ | |
c906108c | 719 | { |
b83266a0 SS |
720 | /* NOTE: I am commenting this out, because it is not clear |
721 | where this feature is used. It is very old and | |
c5aa993b | 722 | undocumented. ezannoni: 1999-05-04 */ |
b83266a0 | 723 | #if 0 |
c906108c SS |
724 | if (cmdarg[i][0] == '-' && cmdarg[i][1] == '\0') |
725 | read_command_file (stdin); | |
726 | else | |
b83266a0 | 727 | #endif |
c906108c SS |
728 | source_command (cmdarg[i], !batch); |
729 | do_cleanups (ALL_CLEANUPS); | |
730 | } | |
11cf8741 JM |
731 | #endif |
732 | catch_command_errors (source_command, cmdarg[i], !batch, RETURN_MASK_ALL); | |
c906108c | 733 | } |
b8c9b27d | 734 | xfree (cmdarg); |
c906108c SS |
735 | |
736 | /* Read in the old history after all the command files have been read. */ | |
c5aa993b | 737 | init_history (); |
c906108c SS |
738 | |
739 | if (batch) | |
740 | { | |
741 | /* We have hit the end of the batch file. */ | |
742 | exit (0); | |
743 | } | |
744 | ||
745 | /* Do any host- or target-specific hacks. This is used for i960 targets | |
746 | to force the user to set a nindy target and spec its parameters. */ | |
747 | ||
748 | #ifdef BEFORE_MAIN_LOOP_HOOK | |
749 | BEFORE_MAIN_LOOP_HOOK; | |
750 | #endif | |
751 | ||
752 | END_PROGRESS (argv[0]); | |
753 | ||
754 | /* Show time and/or space usage. */ | |
755 | ||
756 | if (display_time) | |
757 | { | |
758 | long init_time = get_run_time () - time_at_startup; | |
759 | ||
defc6f8c | 760 | printf_unfiltered (_("Startup time: %ld.%06ld\n"), |
c906108c SS |
761 | init_time / 1000000, init_time % 1000000); |
762 | } | |
763 | ||
764 | if (display_space) | |
765 | { | |
766 | #ifdef HAVE_SBRK | |
767 | extern char **environ; | |
768 | char *lim = (char *) sbrk (0); | |
769 | ||
defc6f8c | 770 | printf_unfiltered (_("Startup size: data size %ld\n"), |
c906108c SS |
771 | (long) (lim - (char *) &environ)); |
772 | #endif | |
773 | } | |
774 | ||
11cf8741 JM |
775 | #if 0 |
776 | /* FIXME: cagney/1999-11-06: The original main loop was like: */ | |
c906108c SS |
777 | while (1) |
778 | { | |
779 | if (!SET_TOP_LEVEL ()) | |
780 | { | |
c5aa993b | 781 | do_cleanups (ALL_CLEANUPS); /* Do complete cleanup */ |
c906108c SS |
782 | /* GUIs generally have their own command loop, mainloop, or whatever. |
783 | This is a good place to gain control because many error | |
784 | conditions will end up here via longjmp(). */ | |
785 | if (command_loop_hook) | |
786 | command_loop_hook (); | |
787 | else | |
788 | command_loop (); | |
c5aa993b | 789 | quit_command ((char *) 0, instream == stdin); |
c906108c SS |
790 | } |
791 | } | |
11cf8741 JM |
792 | /* NOTE: If the command_loop() returned normally, the loop would |
793 | attempt to exit by calling the function quit_command(). That | |
794 | function would either call exit() or throw an error returning | |
795 | control to SET_TOP_LEVEL. */ | |
796 | /* NOTE: The function do_cleanups() was called once each time round | |
797 | the loop. The usefulness of the call isn't clear. If an error | |
798 | was thrown, everything would have already been cleaned up. If | |
799 | command_loop() returned normally and quit_command() was called, | |
800 | either exit() or error() (again cleaning up) would be called. */ | |
801 | #endif | |
802 | /* NOTE: cagney/1999-11-07: There is probably no reason for not | |
803 | moving this loop and the code found in captured_command_loop() | |
804 | into the command_loop() proper. The main thing holding back that | |
805 | change - SET_TOP_LEVEL() - has been eliminated. */ | |
806 | while (1) | |
807 | { | |
808 | catch_errors (captured_command_loop, 0, "", RETURN_MASK_ALL); | |
809 | } | |
11cf8741 JM |
810 | /* No exit -- exit is through quit_command. */ |
811 | } | |
c906108c | 812 | |
11cf8741 | 813 | int |
f15ab4a7 | 814 | gdb_main (struct captured_main_args *args) |
11cf8741 | 815 | { |
f15ab4a7 AC |
816 | use_windows = args->use_windows; |
817 | catch_errors (captured_main, args, "", RETURN_MASK_ALL); | |
11cf8741 | 818 | return 0; |
c906108c SS |
819 | } |
820 | ||
11cf8741 | 821 | |
c906108c SS |
822 | /* Don't use *_filtered for printing help. We don't want to prompt |
823 | for continue no matter how small the screen or how much we're going | |
824 | to print. */ | |
825 | ||
826 | static void | |
d9fcf2fb | 827 | print_gdb_help (struct ui_file *stream) |
c906108c | 828 | { |
defc6f8c | 829 | fputs_unfiltered (_("\ |
c906108c | 830 | This is the GNU debugger. Usage:\n\n\ |
552c04a7 TT |
831 | gdb [options] [executable-file [core-file or process-id]]\n\ |
832 | gdb [options] --args executable-file [inferior-arguments ...]\n\n\ | |
c906108c | 833 | Options:\n\n\ |
defc6f8c TT |
834 | "), stream); |
835 | fputs_unfiltered (_("\ | |
552c04a7 | 836 | --args Arguments after executable-file are passed to inferior\n\ |
defc6f8c TT |
837 | "), stream); |
838 | fputs_unfiltered (_("\ | |
0f71a2f6 | 839 | --[no]async Enable (disable) asynchronous version of CLI\n\ |
defc6f8c TT |
840 | "), stream); |
841 | fputs_unfiltered (_("\ | |
c906108c SS |
842 | -b BAUDRATE Set serial port baud rate used for remote debugging.\n\ |
843 | --batch Exit after processing options.\n\ | |
844 | --cd=DIR Change current directory to DIR.\n\ | |
845 | --command=FILE Execute GDB commands from FILE.\n\ | |
846 | --core=COREFILE Analyze the core dump COREFILE.\n\ | |
00546b04 | 847 | --pid=PID Attach to running process PID.\n\ |
defc6f8c TT |
848 | "), stream); |
849 | fputs_unfiltered (_("\ | |
c906108c SS |
850 | --dbx DBX compatibility mode.\n\ |
851 | --directory=DIR Search for source files in DIR.\n\ | |
852 | --epoch Output information used by epoch emacs-GDB interface.\n\ | |
853 | --exec=EXECFILE Use EXECFILE as the executable.\n\ | |
854 | --fullname Output information used by emacs-GDB interface.\n\ | |
855 | --help Print this message.\n\ | |
defc6f8c TT |
856 | "), stream); |
857 | fputs_unfiltered (_("\ | |
8b93c638 JM |
858 | --interpreter=INTERP\n\ |
859 | Select a specific interpreter / user interface\n\ | |
defc6f8c TT |
860 | "), stream); |
861 | fputs_unfiltered (_("\ | |
c906108c SS |
862 | --mapped Use mapped symbol files if supported on this system.\n\ |
863 | --nw Do not use a window interface.\n\ | |
defc6f8c | 864 | --nx Do not read "), stream); |
96baa820 | 865 | fputs_unfiltered (gdbinit, stream); |
defc6f8c | 866 | fputs_unfiltered (_(" file.\n\ |
c906108c SS |
867 | --quiet Do not print version number on startup.\n\ |
868 | --readnow Fully read symbol files on first access.\n\ | |
defc6f8c TT |
869 | "), stream); |
870 | fputs_unfiltered (_("\ | |
c906108c SS |
871 | --se=FILE Use FILE as symbol file and executable file.\n\ |
872 | --symbols=SYMFILE Read symbols from SYMFILE.\n\ | |
873 | --tty=TTY Use TTY for input/output by the program being debugged.\n\ | |
defc6f8c | 874 | "), stream); |
c906108c | 875 | #if defined(TUI) |
defc6f8c | 876 | fputs_unfiltered (_("\ |
c906108c | 877 | --tui Use a terminal user interface.\n\ |
defc6f8c | 878 | "), stream); |
c906108c | 879 | #endif |
defc6f8c | 880 | fputs_unfiltered (_("\ |
c906108c SS |
881 | --version Print version information and then exit.\n\ |
882 | -w Use a window interface.\n\ | |
883 | --write Set writing into executable and core files.\n\ | |
884 | --xdb XDB compatibility mode.\n\ | |
defc6f8c | 885 | "), stream); |
defc6f8c | 886 | fputs_unfiltered (_("\n\ |
c906108c SS |
887 | For more information, type \"help\" from within GDB, or consult the\n\ |
888 | GDB manual (available as on-line info or a printed manual).\n\ | |
2df3850c | 889 | Report bugs to \"bug-gdb@gnu.org\".\ |
defc6f8c | 890 | "), stream); |
c906108c | 891 | } |