Commit | Line | Data |
---|---|---|
b8ec8d4a | 1 | /* Top level stuff for GDB, the GNU debugger. |
1a494973 | 2 | Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995 |
51b57ded | 3 | Free Software Foundation, Inc. |
bd5635a1 RP |
4 | |
5 | This file is part of GDB. | |
6 | ||
e522fb52 | 7 | This program is free software; you can redistribute it and/or modify |
bd5635a1 | 8 | it under the terms of the GNU General Public License as published by |
e522fb52 JG |
9 | the Free Software Foundation; either version 2 of the License, or |
10 | (at your option) any later version. | |
bd5635a1 | 11 | |
e522fb52 | 12 | This program is distributed in the hope that it will be useful, |
bd5635a1 RP |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
e522fb52 | 18 | along with this program; if not, write to the Free Software |
b52cac6b | 19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
bd5635a1 | 20 | |
bd5635a1 | 21 | #include "defs.h" |
b8ec8d4a SS |
22 | #include <setjmp.h> |
23 | #include "top.h" | |
bd5635a1 | 24 | #include "target.h" |
844750e3 SS |
25 | #include "inferior.h" |
26 | #include "call-cmds.h" | |
bd5635a1 | 27 | |
e522fb52 JG |
28 | #include "getopt.h" |
29 | ||
bd5635a1 | 30 | #include <sys/types.h> |
2b576293 | 31 | #include "gdb_stat.h" |
844750e3 | 32 | #include <ctype.h> |
b8ec8d4a | 33 | |
2b576293 | 34 | #include "gdb_string.h" |
bd5635a1 | 35 | |
9748446f | 36 | /* Temporary variable for SET_TOP_LEVEL. */ |
86db943c | 37 | |
9748446f JK |
38 | static int top_level_val; |
39 | ||
40 | /* Do a setjmp on error_return and quit_return. catch_errors is | |
41 | generally a cleaner way to do this, but main() would look pretty | |
42 | ugly if it had to use catch_errors each time. */ | |
43 | ||
44 | #define SET_TOP_LEVEL() \ | |
47792960 KS |
45 | (((top_level_val = SIGSETJMP (error_return)) \ |
46 | ? (PTR) 0 : (PTR) memcpy (quit_return, error_return, sizeof (SIGJMP_BUF))) \ | |
9748446f JK |
47 | , top_level_val) |
48 | ||
86db943c SG |
49 | /* If nonzero, display time usage both at startup and for each command. */ |
50 | ||
51 | int display_time; | |
52 | ||
53 | /* If nonzero, display space usage both at startup and for each command. */ | |
54 | ||
55 | int display_space; | |
56 | ||
65b07ddc DT |
57 | /* Whether this is the command line version or not */ |
58 | int tui_version = 0; | |
59 | ||
4ef1f467 DT |
60 | /* Whether xdb commands will be handled */ |
61 | int xdb_commands = 0; | |
62 | ||
63 | /* Whether dbx commands will be handled */ | |
64 | int dbx_commands = 0; | |
65 | ||
65b07ddc DT |
66 | GDB_FILE *gdb_stdout; |
67 | GDB_FILE *gdb_stderr; | |
68 | ||
47792960 KS |
69 | static void print_gdb_help PARAMS ((GDB_FILE *)); |
70 | extern void gdb_init PARAMS ((char *)); | |
d836385e | 71 | #ifdef __CYGWIN__ |
47792960 | 72 | #include <windows.h> /* for MAX_PATH */ |
4ef1f467 | 73 | #include <sys/cygwin.h> /* for cygwin32_conv_to_posix_path */ |
47792960 | 74 | #endif |
844750e3 | 75 | |
bd5635a1 RP |
76 | int |
77 | main (argc, argv) | |
78 | int argc; | |
79 | char **argv; | |
80 | { | |
81 | int count; | |
bd5635a1 RP |
82 | static int quiet = 0; |
83 | static int batch = 0; | |
84 | ||
85 | /* Pointers to various arguments from command line. */ | |
86 | char *symarg = NULL; | |
87 | char *execarg = NULL; | |
88 | char *corearg = NULL; | |
89 | char *cdarg = NULL; | |
90 | char *ttyarg = NULL; | |
91 | ||
c307bb11 JK |
92 | /* These are static so that we can take their address in an initializer. */ |
93 | static int print_help; | |
94 | static int print_version; | |
95 | ||
96 | /* Pointers to all arguments of --command option. */ | |
bd5635a1 RP |
97 | char **cmdarg; |
98 | /* Allocated size of cmdarg. */ | |
99 | int cmdsize; | |
100 | /* Number of elements of cmdarg used. */ | |
101 | int ncmd; | |
102 | ||
c307bb11 | 103 | /* Indices of all arguments of --directory option. */ |
bd5635a1 RP |
104 | char **dirarg; |
105 | /* Allocated size. */ | |
106 | int dirsize; | |
107 | /* Number of elements used. */ | |
108 | int ndir; | |
109 | ||
3a16d640 JG |
110 | struct stat homebuf, cwdbuf; |
111 | char *homedir, *homeinit; | |
112 | ||
bd5635a1 RP |
113 | register int i; |
114 | ||
86db943c SG |
115 | long time_at_startup = get_run_time (); |
116 | ||
65b07ddc DT |
117 | int gdb_file_size; |
118 | ||
1a494973 C |
119 | START_PROGRESS (argv[0], 0); |
120 | ||
a6b26c44 | 121 | #ifdef MPW |
b8ec8d4a SS |
122 | /* Do all Mac-specific setup. */ |
123 | mac_init (); | |
a6b26c44 | 124 | #endif /* MPW */ |
1a494973 | 125 | |
bd5635a1 | 126 | /* This needs to happen before the first use of malloc. */ |
318bf84f | 127 | init_malloc ((PTR) NULL); |
bd5635a1 RP |
128 | |
129 | #if defined (ALIGN_STACK_ON_STARTUP) | |
130 | i = (int) &count & 0x3; | |
131 | if (i != 0) | |
132 | alloca (4 - i); | |
133 | #endif | |
134 | ||
bd099407 | 135 | /* If error() is called from initialization code, just exit */ |
9748446f | 136 | if (SET_TOP_LEVEL ()) { |
bd099407 JG |
137 | exit(1); |
138 | } | |
139 | ||
bd5635a1 RP |
140 | cmdsize = 1; |
141 | cmdarg = (char **) xmalloc (cmdsize * sizeof (*cmdarg)); | |
142 | ncmd = 0; | |
143 | dirsize = 1; | |
144 | dirarg = (char **) xmalloc (dirsize * sizeof (*dirarg)); | |
145 | ndir = 0; | |
146 | ||
147 | quit_flag = 0; | |
148 | line = (char *) xmalloc (linesize); | |
149 | line[0] = '\0'; /* Terminate saved (now empty) cmd line */ | |
150 | instream = stdin; | |
151 | ||
b7ec5b8d FF |
152 | getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); |
153 | current_directory = gdb_dirbuf; | |
bd5635a1 | 154 | |
65b07ddc DT |
155 | gdb_file_size = sizeof(GDB_FILE); |
156 | ||
157 | gdb_stdout = (GDB_FILE *)xmalloc (gdb_file_size); | |
158 | gdb_stdout->ts_streamtype = afile; | |
159 | gdb_stdout->ts_filestream = stdout; | |
160 | gdb_stdout->ts_strbuf = NULL; | |
161 | gdb_stdout->ts_buflen = 0; | |
162 | ||
163 | gdb_stderr = (GDB_FILE *)xmalloc (gdb_file_size); | |
164 | gdb_stderr->ts_streamtype = afile; | |
165 | gdb_stderr->ts_filestream = stderr; | |
166 | gdb_stderr->ts_strbuf = NULL; | |
167 | gdb_stderr->ts_buflen = 0; | |
168 | ||
bd5635a1 RP |
169 | /* Parse arguments and options. */ |
170 | { | |
171 | int c; | |
bd5635a1 RP |
172 | /* When var field is 0, use flag field to record the equivalent |
173 | short option (or arbitrary numbers starting at 10 for those | |
174 | with no equivalent). */ | |
175 | static struct option long_options[] = | |
176 | { | |
65b07ddc DT |
177 | #if defined(TUI) |
178 | {"tui", no_argument, &tui_version, 1}, | |
179 | #endif | |
180 | {"xdb", no_argument, &xdb_commands, 1}, | |
181 | {"dbx", no_argument, &dbx_commands, 1}, | |
318bf84f FF |
182 | {"readnow", no_argument, &readnow_symbol_files, 1}, |
183 | {"r", no_argument, &readnow_symbol_files, 1}, | |
184 | {"mapped", no_argument, &mapped_symbol_files, 1}, | |
185 | {"m", no_argument, &mapped_symbol_files, 1}, | |
ee0613d1 JG |
186 | {"quiet", no_argument, &quiet, 1}, |
187 | {"q", no_argument, &quiet, 1}, | |
fb29d681 | 188 | {"silent", no_argument, &quiet, 1}, |
ee0613d1 JG |
189 | {"nx", no_argument, &inhibit_gdbinit, 1}, |
190 | {"n", no_argument, &inhibit_gdbinit, 1}, | |
191 | {"batch", no_argument, &batch, 1}, | |
192 | {"epoch", no_argument, &epoch_interface, 1}, | |
6c803036 JK |
193 | |
194 | /* This is a synonym for "--annotate=1". --annotate is now preferred, | |
195 | but keep this here for a long time because people will be running | |
196 | emacses which use --fullname. */ | |
197 | {"fullname", no_argument, 0, 'f'}, | |
198 | {"f", no_argument, 0, 'f'}, | |
199 | ||
200 | {"annotate", required_argument, 0, 12}, | |
ee0613d1 JG |
201 | {"help", no_argument, &print_help, 1}, |
202 | {"se", required_argument, 0, 10}, | |
203 | {"symbols", required_argument, 0, 's'}, | |
204 | {"s", required_argument, 0, 's'}, | |
205 | {"exec", required_argument, 0, 'e'}, | |
206 | {"e", required_argument, 0, 'e'}, | |
207 | {"core", required_argument, 0, 'c'}, | |
208 | {"c", required_argument, 0, 'c'}, | |
209 | {"command", required_argument, 0, 'x'}, | |
c307bb11 | 210 | {"version", no_argument, &print_version, 1}, |
ee0613d1 | 211 | {"x", required_argument, 0, 'x'}, |
7f6cb62e | 212 | /* start-sanitize-gdbtk */ |
d836385e | 213 | #ifdef GDBTK |
7f6cb62e | 214 | {"tclcommand", required_argument, 0, 'z'}, |
d836385e | 215 | #endif |
7f6cb62e | 216 | /* end-sanitize-gdbtk */ |
ee0613d1 JG |
217 | {"directory", required_argument, 0, 'd'}, |
218 | {"cd", required_argument, 0, 11}, | |
219 | {"tty", required_argument, 0, 't'}, | |
220 | {"baud", required_argument, 0, 'b'}, | |
221 | {"b", required_argument, 0, 'b'}, | |
86db943c SG |
222 | {"nw", no_argument, &use_windows, 0}, |
223 | {"nowindows", no_argument, &use_windows, 0}, | |
224 | {"w", no_argument, &use_windows, 1}, | |
225 | {"windows", no_argument, &use_windows, 1}, | |
226 | {"statistics", no_argument, 0, 13}, | |
bd5635a1 RP |
227 | /* Allow machine descriptions to add more options... */ |
228 | #ifdef ADDITIONAL_OPTIONS | |
229 | ADDITIONAL_OPTIONS | |
230 | #endif | |
86db943c | 231 | {0, no_argument, 0, 0} |
bd5635a1 RP |
232 | }; |
233 | ||
234 | while (1) | |
235 | { | |
ee0613d1 JG |
236 | int option_index; |
237 | ||
bd5635a1 RP |
238 | c = getopt_long_only (argc, argv, "", |
239 | long_options, &option_index); | |
240 | if (c == EOF) | |
241 | break; | |
242 | ||
243 | /* Long option that takes an argument. */ | |
244 | if (c == 0 && long_options[option_index].flag == 0) | |
245 | c = long_options[option_index].val; | |
246 | ||
247 | switch (c) | |
248 | { | |
249 | case 0: | |
250 | /* Long option that just sets a flag. */ | |
251 | break; | |
252 | case 10: | |
253 | symarg = optarg; | |
254 | execarg = optarg; | |
255 | break; | |
256 | case 11: | |
257 | cdarg = optarg; | |
258 | break; | |
6c803036 JK |
259 | case 12: |
260 | /* FIXME: what if the syntax is wrong (e.g. not digits)? */ | |
261 | annotation_level = atoi (optarg); | |
262 | break; | |
86db943c SG |
263 | case 13: |
264 | /* Enable the display of both time and space usage. */ | |
265 | display_time = 1; | |
266 | display_space = 1; | |
267 | break; | |
6c803036 JK |
268 | case 'f': |
269 | annotation_level = 1; | |
1a494973 C |
270 | /* We have probably been invoked from emacs. Disable window interface. */ |
271 | use_windows = 0; | |
6c803036 | 272 | break; |
bd5635a1 RP |
273 | case 's': |
274 | symarg = optarg; | |
275 | break; | |
276 | case 'e': | |
277 | execarg = optarg; | |
278 | break; | |
279 | case 'c': | |
280 | corearg = optarg; | |
281 | break; | |
282 | case 'x': | |
283 | cmdarg[ncmd++] = optarg; | |
284 | if (ncmd >= cmdsize) | |
285 | { | |
286 | cmdsize *= 2; | |
287 | cmdarg = (char **) xrealloc ((char *)cmdarg, | |
288 | cmdsize * sizeof (*cmdarg)); | |
289 | } | |
290 | break; | |
7f6cb62e | 291 | /* start-sanitize-gdbtk */ |
d836385e | 292 | #ifdef GDBTK |
7f6cb62e KS |
293 | case 'z': |
294 | { | |
295 | extern int gdbtk_test PARAMS ((char *)); | |
296 | if (!gdbtk_test (optarg)) | |
297 | { | |
298 | fprintf_unfiltered (gdb_stderr, "%s: unable to load tclcommand file \"%s\"", | |
299 | argv[0], optarg); | |
300 | exit (1); | |
301 | } | |
302 | break; | |
303 | } | |
d836385e | 304 | #endif /* GDBTK */ |
7f6cb62e | 305 | /* end-sanitize-gdbtk */ |
bd5635a1 RP |
306 | case 'd': |
307 | dirarg[ndir++] = optarg; | |
308 | if (ndir >= dirsize) | |
309 | { | |
310 | dirsize *= 2; | |
311 | dirarg = (char **) xrealloc ((char *)dirarg, | |
312 | dirsize * sizeof (*dirarg)); | |
313 | } | |
314 | break; | |
315 | case 't': | |
316 | ttyarg = optarg; | |
317 | break; | |
318 | case 'q': | |
319 | quiet = 1; | |
320 | break; | |
321 | case 'b': | |
d0d8484a SG |
322 | { |
323 | int i; | |
324 | char *p; | |
325 | ||
326 | i = strtol (optarg, &p, 0); | |
327 | if (i == 0 && p == optarg) | |
8e4c7b3e JK |
328 | |
329 | /* Don't use *_filtered or warning() (which relies on | |
330 | current_target) until after initialize_all_files(). */ | |
331 | ||
332 | fprintf_unfiltered | |
333 | (gdb_stderr, | |
334 | "warning: could not set baud rate to `%s'.\n", optarg); | |
d0d8484a SG |
335 | else |
336 | baud_rate = i; | |
337 | } | |
265c044a DP |
338 | case 'l': |
339 | { | |
340 | int i; | |
341 | char *p; | |
342 | ||
343 | i = strtol (optarg, &p, 0); | |
344 | if (i == 0 && p == optarg) | |
345 | ||
346 | /* Don't use *_filtered or warning() (which relies on | |
347 | current_target) until after initialize_all_files(). */ | |
348 | ||
349 | fprintf_unfiltered | |
350 | (gdb_stderr, | |
351 | "warning: could not set timeout limit to `%s'.\n", optarg); | |
352 | else | |
353 | remote_timeout = i; | |
354 | } | |
bd5635a1 | 355 | break; |
d0d8484a | 356 | |
bd5635a1 RP |
357 | #ifdef ADDITIONAL_OPTION_CASES |
358 | ADDITIONAL_OPTION_CASES | |
359 | #endif | |
360 | case '?': | |
199b2450 | 361 | fprintf_unfiltered (gdb_stderr, |
fb29d681 | 362 | "Use `%s --help' for a complete list of options.\n", |
bd5635a1 RP |
363 | argv[0]); |
364 | exit (1); | |
365 | } | |
bd5635a1 | 366 | } |
fb29d681 | 367 | |
b52cac6b FF |
368 | /* If --help or --version, disable window interface. */ |
369 | if (print_help || print_version) | |
65b07ddc DT |
370 | { |
371 | use_windows = 0; | |
372 | #ifdef TUI | |
373 | /* Disable the TUI as well. */ | |
374 | tui_version = 0; | |
375 | #endif | |
376 | } | |
377 | ||
378 | #ifdef TUI | |
379 | /* An explicit --tui flag overrides the default UI, which is the | |
380 | window system. */ | |
381 | if (tui_version) | |
b52cac6b | 382 | use_windows = 0; |
65b07ddc | 383 | #endif |
b52cac6b | 384 | |
bd5635a1 RP |
385 | /* OK, that's all the options. The other arguments are filenames. */ |
386 | count = 0; | |
387 | for (; optind < argc; optind++) | |
388 | switch (++count) | |
389 | { | |
390 | case 1: | |
391 | symarg = argv[optind]; | |
392 | execarg = argv[optind]; | |
393 | break; | |
394 | case 2: | |
395 | corearg = argv[optind]; | |
396 | break; | |
397 | case 3: | |
199b2450 | 398 | fprintf_unfiltered (gdb_stderr, |
bd5635a1 RP |
399 | "Excess command line arguments ignored. (%s%s)\n", |
400 | argv[optind], (optind == argc - 1) ? "" : " ..."); | |
401 | break; | |
402 | } | |
403 | if (batch) | |
404 | quiet = 1; | |
405 | } | |
406 | ||
65b07ddc DT |
407 | #if defined(TUI) |
408 | if (tui_version) | |
409 | init_ui_hook = tuiInit; | |
410 | #endif | |
47792960 | 411 | gdb_init (argv[0]); |
bd5635a1 | 412 | |
c307bb11 JK |
413 | /* Do these (and anything which might call wrap_here or *_filtered) |
414 | after initialize_all_files. */ | |
415 | if (print_version) | |
416 | { | |
199b2450 | 417 | print_gdb_version (gdb_stdout); |
c307bb11 JK |
418 | wrap_here (""); |
419 | printf_filtered ("\n"); | |
420 | exit (0); | |
421 | } | |
422 | ||
423 | if (print_help) | |
424 | { | |
47792960 KS |
425 | print_gdb_help (gdb_stdout); |
426 | fputs_unfiltered ("\n", gdb_stdout); | |
c307bb11 JK |
427 | exit (0); |
428 | } | |
b52cac6b | 429 | |
bd5635a1 RP |
430 | if (!quiet) |
431 | { | |
81066208 JG |
432 | /* Print all the junk at the top, with trailing "..." if we are about |
433 | to read a symbol file (possibly slowly). */ | |
199b2450 | 434 | print_gdb_version (gdb_stdout); |
81066208 JG |
435 | if (symarg) |
436 | printf_filtered (".."); | |
bd099407 | 437 | wrap_here(""); |
199b2450 | 438 | gdb_flush (gdb_stdout); /* Force to screen during slow operations */ |
bd5635a1 RP |
439 | } |
440 | ||
81066208 | 441 | error_pre_print = "\n\n"; |
1a494973 C |
442 | quit_pre_print = error_pre_print; |
443 | ||
51b57ded FF |
444 | /* We may get more than one warning, don't double space all of them... */ |
445 | warning_pre_print = "\nwarning: "; | |
81066208 | 446 | |
3a16d640 JG |
447 | /* Read and execute $HOME/.gdbinit file, if it exists. This is done |
448 | *before* all the command line arguments are processed; it sets | |
449 | global parameters, which are independent of what file you are | |
450 | debugging or what directory you are in. */ | |
d836385e | 451 | #ifdef __CYGWIN__ |
47792960 KS |
452 | { |
453 | char * tmp = getenv ("HOME"); | |
454 | ||
455 | if (tmp != NULL) | |
456 | { | |
457 | homedir = (char *) alloca (MAX_PATH+1); | |
4ef1f467 | 458 | cygwin32_conv_to_posix_path (tmp, homedir); |
47792960 | 459 | } |
d836385e GN |
460 | else |
461 | homedir = NULL; | |
47792960 KS |
462 | } |
463 | #else | |
464 | homedir = getenv ("HOME"); | |
465 | #endif | |
3a16d640 JG |
466 | if (homedir) |
467 | { | |
47792960 | 468 | homeinit = (char *) alloca (strlen (homedir) + |
3a16d640 | 469 | strlen (gdbinit) + 10); |
47792960 | 470 | strcpy (homeinit, homedir); |
3a16d640 JG |
471 | strcat (homeinit, "/"); |
472 | strcat (homeinit, gdbinit); | |
b52cac6b | 473 | |
9e77e83d | 474 | if (!inhibit_gdbinit) |
3a16d640 | 475 | { |
9748446f | 476 | if (!SET_TOP_LEVEL ()) |
3a16d640 JG |
477 | source_command (homeinit, 0); |
478 | } | |
479 | do_cleanups (ALL_CLEANUPS); | |
480 | ||
481 | /* Do stats; no need to do them elsewhere since we'll only | |
482 | need them if homedir is set. Make sure that they are | |
483 | zero in case one of them fails (this guarantees that they | |
484 | won't match if either exists). */ | |
485 | ||
486 | memset (&homebuf, 0, sizeof (struct stat)); | |
487 | memset (&cwdbuf, 0, sizeof (struct stat)); | |
488 | ||
489 | stat (homeinit, &homebuf); | |
490 | stat (gdbinit, &cwdbuf); /* We'll only need this if | |
491 | homedir was set. */ | |
492 | } | |
754e5da2 | 493 | |
bd5635a1 RP |
494 | /* Now perform all the actions indicated by the arguments. */ |
495 | if (cdarg != NULL) | |
496 | { | |
9748446f | 497 | if (!SET_TOP_LEVEL ()) |
bd5635a1 RP |
498 | { |
499 | cd_command (cdarg, 0); | |
bd5635a1 RP |
500 | } |
501 | } | |
f266e564 JK |
502 | do_cleanups (ALL_CLEANUPS); |
503 | ||
bd5635a1 | 504 | for (i = 0; i < ndir; i++) |
9748446f | 505 | if (!SET_TOP_LEVEL ()) |
bd5635a1 | 506 | directory_command (dirarg[i], 0); |
51b57ded | 507 | free ((PTR)dirarg); |
f266e564 JK |
508 | do_cleanups (ALL_CLEANUPS); |
509 | ||
bd5635a1 RP |
510 | if (execarg != NULL |
511 | && symarg != NULL | |
2e4964ad | 512 | && STREQ (execarg, symarg)) |
bd5635a1 RP |
513 | { |
514 | /* The exec file and the symbol-file are the same. If we can't open | |
515 | it, better only print one error message. */ | |
9748446f | 516 | if (!SET_TOP_LEVEL ()) |
bd5635a1 RP |
517 | { |
518 | exec_file_command (execarg, !batch); | |
81066208 | 519 | symbol_file_command (symarg, 0); |
bd5635a1 RP |
520 | } |
521 | } | |
522 | else | |
523 | { | |
524 | if (execarg != NULL) | |
9748446f | 525 | if (!SET_TOP_LEVEL ()) |
bd5635a1 RP |
526 | exec_file_command (execarg, !batch); |
527 | if (symarg != NULL) | |
9748446f | 528 | if (!SET_TOP_LEVEL ()) |
81066208 | 529 | symbol_file_command (symarg, 0); |
bd5635a1 | 530 | } |
f266e564 JK |
531 | do_cleanups (ALL_CLEANUPS); |
532 | ||
81066208 JG |
533 | /* After the symbol file has been read, print a newline to get us |
534 | beyond the copyright line... But errors should still set off | |
535 | the error message with a (single) blank line. */ | |
afe4ca15 JG |
536 | if (!quiet) |
537 | printf_filtered ("\n"); | |
81066208 | 538 | error_pre_print = "\n"; |
1a494973 | 539 | quit_pre_print = error_pre_print; |
318bf84f | 540 | warning_pre_print = "\nwarning: "; |
81066208 | 541 | |
bd5635a1 | 542 | if (corearg != NULL) |
65b07ddc DT |
543 | { |
544 | if (!SET_TOP_LEVEL ()) | |
545 | core_file_command (corearg, !batch); | |
546 | else if (isdigit (corearg[0]) && !SET_TOP_LEVEL ()) | |
547 | attach_command (corearg, !batch); | |
548 | } | |
f266e564 | 549 | do_cleanups (ALL_CLEANUPS); |
bd5635a1 RP |
550 | |
551 | if (ttyarg != NULL) | |
9748446f | 552 | if (!SET_TOP_LEVEL ()) |
bd5635a1 | 553 | tty_command (ttyarg, !batch); |
f266e564 | 554 | do_cleanups (ALL_CLEANUPS); |
bd5635a1 RP |
555 | |
556 | #ifdef ADDITIONAL_OPTION_HANDLER | |
557 | ADDITIONAL_OPTION_HANDLER; | |
558 | #endif | |
559 | ||
81066208 | 560 | /* Error messages should no longer be distinguished with extra output. */ |
1a494973 C |
561 | error_pre_print = NULL; |
562 | quit_pre_print = NULL; | |
318bf84f | 563 | warning_pre_print = "warning: "; |
81066208 | 564 | |
3a16d640 JG |
565 | /* Read the .gdbinit file in the current directory, *if* it isn't |
566 | the same as the $HOME/.gdbinit file (it should exist, also). */ | |
567 | ||
568 | if (!homedir | |
569 | || memcmp ((char *) &homebuf, (char *) &cwdbuf, sizeof (struct stat))) | |
9e77e83d | 570 | if (!inhibit_gdbinit) |
bd5635a1 | 571 | { |
9748446f | 572 | if (!SET_TOP_LEVEL ()) |
d75710b0 | 573 | source_command (gdbinit, 0); |
bd5635a1 | 574 | } |
d75710b0 FF |
575 | do_cleanups (ALL_CLEANUPS); |
576 | ||
577 | for (i = 0; i < ncmd; i++) | |
578 | { | |
9748446f | 579 | if (!SET_TOP_LEVEL ()) |
d75710b0 FF |
580 | { |
581 | if (cmdarg[i][0] == '-' && cmdarg[i][1] == '\0') | |
582 | read_command_file (stdin); | |
583 | else | |
584 | source_command (cmdarg[i], !batch); | |
585 | do_cleanups (ALL_CLEANUPS); | |
586 | } | |
587 | } | |
51b57ded | 588 | free ((PTR)cmdarg); |
bd5635a1 | 589 | |
8b3c897a | 590 | /* Read in the old history after all the command files have been read. */ |
fc61e9ee | 591 | init_history(); |
8b3c897a | 592 | |
bd5635a1 RP |
593 | if (batch) |
594 | { | |
595 | /* We have hit the end of the batch file. */ | |
596 | exit (0); | |
597 | } | |
598 | ||
599 | /* Do any host- or target-specific hacks. This is used for i960 targets | |
600 | to force the user to set a nindy target and spec its parameters. */ | |
601 | ||
602 | #ifdef BEFORE_MAIN_LOOP_HOOK | |
603 | BEFORE_MAIN_LOOP_HOOK; | |
604 | #endif | |
605 | ||
1a494973 C |
606 | END_PROGRESS (argv[0]); |
607 | ||
86db943c SG |
608 | /* Show time and/or space usage. */ |
609 | ||
610 | if (display_time) | |
611 | { | |
612 | long init_time = get_run_time () - time_at_startup; | |
613 | ||
614 | printf_unfiltered ("Startup time: %ld.%06ld\n", | |
615 | init_time / 1000000, init_time % 1000000); | |
616 | } | |
617 | ||
618 | if (display_space) | |
619 | { | |
265c044a | 620 | #ifdef HAVE_SBRK |
86db943c SG |
621 | extern char **environ; |
622 | char *lim = (char *) sbrk (0); | |
623 | ||
624 | printf_unfiltered ("Startup size: data size %ld\n", | |
625 | (long) (lim - (char *) &environ)); | |
265c044a | 626 | #endif |
86db943c SG |
627 | } |
628 | ||
1a494973 C |
629 | /* The default command loop. |
630 | The WIN32 Gui calls this main to set up gdb's state, and | |
631 | has its own command loop. */ | |
47792960 | 632 | #if !defined _WIN32 || defined __GNUC__ |
bd5635a1 RP |
633 | while (1) |
634 | { | |
9748446f | 635 | if (!SET_TOP_LEVEL ()) |
bd5635a1 | 636 | { |
f266e564 | 637 | do_cleanups (ALL_CLEANUPS); /* Do complete cleanup */ |
754e5da2 SG |
638 | /* GUIs generally have their own command loop, mainloop, or whatever. |
639 | This is a good place to gain control because many error | |
640 | conditions will end up here via longjmp(). */ | |
641 | if (command_loop_hook) | |
642 | command_loop_hook (); | |
a6b26c44 | 643 | else |
754e5da2 | 644 | command_loop (); |
bd5635a1 RP |
645 | quit_command ((char *)0, instream == stdin); |
646 | } | |
647 | } | |
1a494973 | 648 | |
bd5635a1 | 649 | /* No exit -- exit is through quit_command. */ |
1a494973 C |
650 | #endif |
651 | ||
bd5635a1 | 652 | } |
47792960 KS |
653 | |
654 | /* Don't use *_filtered for printing help. We don't want to prompt | |
655 | for continue no matter how small the screen or how much we're going | |
656 | to print. */ | |
657 | ||
658 | static void | |
659 | print_gdb_help (stream) | |
660 | GDB_FILE *stream; | |
661 | { | |
662 | fputs_unfiltered ("\ | |
663 | This is the GNU debugger. Usage:\n\n\ | |
664 | gdb [options] [executable-file [core-file or process-id]]\n\n\ | |
665 | Options:\n\n\ | |
666 | ", stream); | |
667 | fputs_unfiltered ("\ | |
668 | -b BAUDRATE Set serial port baud rate used for remote debugging.\n\ | |
669 | --batch Exit after processing options.\n\ | |
670 | --cd=DIR Change current directory to DIR.\n\ | |
671 | --command=FILE Execute GDB commands from FILE.\n\ | |
672 | --core=COREFILE Analyze the core dump COREFILE.\n\ | |
673 | ", stream); | |
674 | fputs_unfiltered ("\ | |
65b07ddc | 675 | --dbx DBX compatibility mode.\n\ |
47792960 KS |
676 | --directory=DIR Search for source files in DIR.\n\ |
677 | --epoch Output information used by epoch emacs-GDB interface.\n\ | |
678 | --exec=EXECFILE Use EXECFILE as the executable.\n\ | |
679 | --fullname Output information used by emacs-GDB interface.\n\ | |
680 | --help Print this message.\n\ | |
681 | ", stream); | |
682 | fputs_unfiltered ("\ | |
683 | --mapped Use mapped symbol files if supported on this system.\n\ | |
684 | --nw Do not use a window interface.\n\ | |
685 | --nx Do not read .gdbinit file.\n\ | |
686 | --quiet Do not print version number on startup.\n\ | |
687 | --readnow Fully read symbol files on first access.\n\ | |
688 | ", stream); | |
689 | fputs_unfiltered ("\ | |
690 | --se=FILE Use FILE as symbol file and executable file.\n\ | |
691 | --symbols=SYMFILE Read symbols from SYMFILE.\n\ | |
692 | --tty=TTY Use TTY for input/output by the program being debugged.\n\ | |
65b07ddc DT |
693 | ", stream); |
694 | #if defined(TUI) | |
695 | fputs_unfiltered ("\ | |
696 | --tui Use a terminal user interface.\n\ | |
697 | ", stream); | |
698 | #endif | |
699 | fputs_unfiltered ("\ | |
47792960 | 700 | --version Print version information and then exit.\n\ |
65b07ddc | 701 | --xdb XDB compatibility mode.\n\ |
47792960 KS |
702 | ", stream); |
703 | #ifdef ADDITIONAL_OPTION_HELP | |
704 | fputs_unfiltered (ADDITIONAL_OPTION_HELP, stream); | |
705 | #endif | |
706 | fputs_unfiltered ("\n\ | |
707 | For more information, type \"help\" from within GDB, or consult the\n\ | |
708 | GDB manual (available as on-line info or a printed manual).\n\ | |
709 | Report bugs to \"bug-gdb@prep.ai.mit.edu\".\ | |
710 | ", stream); | |
711 | } | |
712 | ||
d3507982 JK |
713 | \f |
714 | void | |
715 | init_proc () | |
716 | { | |
717 | } | |
718 | ||
d3507982 JK |
719 | void |
720 | proc_remove_foreign (pid) | |
721 | int pid; | |
722 | { | |
723 | } | |
bd5635a1 | 724 | |
47792960 KS |
725 | /* All I/O sent to the *_filtered and *_unfiltered functions eventually ends up |
726 | here. The fputs_unfiltered_hook is primarily used by GUIs to collect all | |
727 | output and send it to the GUI, instead of the controlling terminal. Only | |
728 | output to gdb_stdout and gdb_stderr are sent to the hook. Everything else | |
729 | is sent on to fputs to allow file I/O to be handled appropriately. */ | |
730 | ||
bd5635a1 | 731 | void |
b8ec8d4a SS |
732 | fputs_unfiltered (linebuffer, stream) |
733 | const char *linebuffer; | |
65b07ddc | 734 | GDB_FILE *stream; |
bd5635a1 | 735 | { |
65b07ddc DT |
736 | #if defined(TUI) |
737 | extern int tui_owns_terminal; | |
738 | #endif | |
739 | /* If anything (GUI, TUI) wants to capture GDB output, this is | |
740 | * the place... the way to do it is to set up | |
741 | * fputs_unfiltered_hook. | |
742 | * Our TUI ("gdb -tui") used to hook output, but in the | |
743 | * new (XDB style) scheme, we do not do that anymore... - RT | |
744 | */ | |
47792960 KS |
745 | if (fputs_unfiltered_hook |
746 | && (stream == gdb_stdout | |
747 | || stream == gdb_stderr)) | |
748 | fputs_unfiltered_hook (linebuffer, stream); | |
749 | else | |
65b07ddc DT |
750 | { |
751 | #if defined(TUI) | |
752 | if (tui_version && tui_owns_terminal) { | |
753 | /* If we get here somehow while updating the TUI (from | |
754 | * within a tuiDo(), then we need to temporarily | |
755 | * set up the terminal for GDB output. This probably just | |
756 | * happens on error output. | |
757 | */ | |
758 | ||
759 | if (stream->ts_streamtype == astring) { | |
760 | gdb_file_adjust_strbuf(strlen(linebuffer), stream); | |
761 | strcat(stream->ts_strbuf, linebuffer); | |
762 | } else { | |
763 | tuiTermUnsetup(0, (tui_version) ? cmdWin->detail.commandInfo.curch : 0); | |
764 | fputs (linebuffer, stream->ts_filestream); | |
765 | tuiTermSetup(0); | |
766 | if (linebuffer[strlen(linebuffer) - 1] == '\n') | |
767 | tuiClearCommandCharCount(); | |
768 | else | |
769 | tuiIncrCommandCharCountBy(strlen(linebuffer)); | |
770 | } | |
771 | } else { | |
772 | /* The normal case - just do a fputs() */ | |
773 | if (stream->ts_streamtype == astring) { | |
774 | gdb_file_adjust_strbuf(strlen(linebuffer), stream); | |
775 | strcat(stream->ts_strbuf, linebuffer); | |
776 | } else fputs (linebuffer, stream->ts_filestream); | |
777 | } | |
778 | ||
779 | ||
780 | #else | |
781 | if (stream->ts_streamtype == astring) { | |
782 | gdb_file_adjust_strbuf(strlen(linebuffer), stream); | |
783 | strcat(stream->ts_strbuf, linebuffer); | |
784 | } else fputs (linebuffer, stream->ts_filestream); | |
785 | #endif | |
786 | } | |
bd5635a1 | 787 | } |