Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Top level stuff for GDB, the GNU debugger. |
085dd6e6 | 2 | Copyright 1986, 87, 88, 89, 90, 91, 92, 93, 94, 95, 1999 |
c906108c SS |
3 | Free Software Foundation, Inc. |
4 | ||
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
c906108c | 11 | |
c5aa993b JM |
12 | This program is distributed in the hope that it will be useful, |
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. | |
c906108c | 16 | |
c5aa993b JM |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
21 | |
22 | #include "defs.h" | |
c906108c SS |
23 | #include "top.h" |
24 | #include "target.h" | |
25 | #include "inferior.h" | |
26 | #include "call-cmds.h" | |
7a292a7a SS |
27 | #ifdef HAVE_UNISTD_H |
28 | #include <unistd.h> | |
29 | #endif | |
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" |
c906108c | 39 | |
c906108c SS |
40 | /* If nonzero, display time usage both at startup and for each command. */ |
41 | ||
42 | int display_time; | |
43 | ||
44 | /* If nonzero, display space usage both at startup and for each command. */ | |
45 | ||
46 | int display_space; | |
47 | ||
cd0fc7c3 | 48 | /* Whether this is the async version or not. The async version is |
c5aa993b JM |
49 | invoked on the command line with the -nw --async options. In this |
50 | version, the usual command_loop is substituted by and event loop which | |
51 | processes UI events asynchronously. */ | |
085dd6e6 | 52 | int async_p = 1; |
cd0fc7c3 | 53 | |
c906108c SS |
54 | /* Whether this is the command line version or not */ |
55 | int tui_version = 0; | |
56 | ||
57 | /* Whether xdb commands will be handled */ | |
58 | int xdb_commands = 0; | |
59 | ||
60 | /* Whether dbx commands will be handled */ | |
61 | int dbx_commands = 0; | |
62 | ||
63 | GDB_FILE *gdb_stdout; | |
64 | GDB_FILE *gdb_stderr; | |
0f71a2f6 | 65 | GDB_FILE *gdb_stdlog; |
43ff13b4 | 66 | GDB_FILE *gdb_stdtarg; |
c906108c SS |
67 | |
68 | /* Whether to enable writing into executable and core files */ | |
69 | extern int write_files; | |
70 | ||
71 | static void print_gdb_help PARAMS ((GDB_FILE *)); | |
c906108c SS |
72 | |
73 | /* These two are used to set the external editor commands when gdb is farming | |
74 | out files to be edited by another program. */ | |
75 | ||
76 | extern int enable_external_editor; | |
c5aa993b | 77 | extern char *external_editor_command; |
c906108c SS |
78 | |
79 | #ifdef __CYGWIN__ | |
c5aa993b JM |
80 | #include <windows.h> /* for MAX_PATH */ |
81 | #include <sys/cygwin.h> /* for cygwin32_conv_to_posix_path */ | |
c906108c SS |
82 | #endif |
83 | ||
84 | int | |
85 | main (argc, argv) | |
86 | int argc; | |
87 | char **argv; | |
88 | { | |
89 | int count; | |
90 | static int quiet = 0; | |
91 | static int batch = 0; | |
92 | ||
93 | /* Pointers to various arguments from command line. */ | |
94 | char *symarg = NULL; | |
95 | char *execarg = NULL; | |
96 | char *corearg = NULL; | |
97 | char *cdarg = NULL; | |
98 | char *ttyarg = NULL; | |
99 | ||
100 | /* These are static so that we can take their address in an initializer. */ | |
101 | static int print_help; | |
102 | static int print_version; | |
103 | ||
104 | /* Pointers to all arguments of --command option. */ | |
105 | char **cmdarg; | |
106 | /* Allocated size of cmdarg. */ | |
107 | int cmdsize; | |
108 | /* Number of elements of cmdarg used. */ | |
109 | int ncmd; | |
110 | ||
111 | /* Indices of all arguments of --directory option. */ | |
112 | char **dirarg; | |
113 | /* Allocated size. */ | |
114 | int dirsize; | |
115 | /* Number of elements used. */ | |
116 | int ndir; | |
c5aa993b | 117 | |
c906108c SS |
118 | struct stat homebuf, cwdbuf; |
119 | char *homedir, *homeinit; | |
120 | ||
121 | register int i; | |
122 | ||
123 | long time_at_startup = get_run_time (); | |
124 | ||
125 | int gdb_file_size; | |
126 | ||
127 | START_PROGRESS (argv[0], 0); | |
128 | ||
129 | #ifdef MPW | |
130 | /* Do all Mac-specific setup. */ | |
131 | mac_init (); | |
132 | #endif /* MPW */ | |
133 | ||
134 | /* This needs to happen before the first use of malloc. */ | |
135 | init_malloc ((PTR) NULL); | |
136 | ||
137 | #if defined (ALIGN_STACK_ON_STARTUP) | |
138 | i = (int) &count & 0x3; | |
139 | if (i != 0) | |
140 | alloca (4 - i); | |
141 | #endif | |
142 | ||
143 | /* If error() is called from initialization code, just exit */ | |
c5aa993b JM |
144 | if (SET_TOP_LEVEL ()) |
145 | { | |
146 | exit (1); | |
147 | } | |
c906108c SS |
148 | |
149 | cmdsize = 1; | |
150 | cmdarg = (char **) xmalloc (cmdsize * sizeof (*cmdarg)); | |
151 | ncmd = 0; | |
152 | dirsize = 1; | |
153 | dirarg = (char **) xmalloc (dirsize * sizeof (*dirarg)); | |
154 | ndir = 0; | |
155 | ||
156 | quit_flag = 0; | |
157 | line = (char *) xmalloc (linesize); | |
158 | line[0] = '\0'; /* Terminate saved (now empty) cmd line */ | |
159 | instream = stdin; | |
160 | ||
161 | getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); | |
162 | current_directory = gdb_dirbuf; | |
163 | ||
ac9a91a7 JM |
164 | #if 0 |
165 | /* not yet */ | |
166 | gdb_stdout = stdio_fileopen (stdout); | |
167 | gdb_stderr = stdio_fileopen (stderr); | |
c5aa993b JM |
168 | gdb_stdlog = gdb_stderr; /* for moment */ |
169 | gdb_stdtarg = gdb_stderr; /* for moment */ | |
ac9a91a7 JM |
170 | #else |
171 | gdb_stdout = tui_fileopen (stdout); | |
172 | gdb_stderr = tui_fileopen (stderr); | |
c5aa993b JM |
173 | gdb_stdlog = gdb_stdout; /* for moment */ |
174 | gdb_stdtarg = gdb_stderr; /* for moment */ | |
ac9a91a7 | 175 | #endif |
c906108c SS |
176 | |
177 | /* Parse arguments and options. */ | |
178 | { | |
179 | int c; | |
180 | /* When var field is 0, use flag field to record the equivalent | |
181 | short option (or arbitrary numbers starting at 10 for those | |
182 | with no equivalent). */ | |
183 | static struct option long_options[] = | |
c5aa993b JM |
184 | { |
185 | {"async", no_argument, &async_p, 1}, | |
186 | {"noasync", no_argument, &async_p, 0}, | |
c906108c | 187 | #if defined(TUI) |
c5aa993b | 188 | {"tui", no_argument, &tui_version, 1}, |
c906108c | 189 | #endif |
c5aa993b JM |
190 | {"xdb", no_argument, &xdb_commands, 1}, |
191 | {"dbx", no_argument, &dbx_commands, 1}, | |
192 | {"readnow", no_argument, &readnow_symbol_files, 1}, | |
193 | {"r", no_argument, &readnow_symbol_files, 1}, | |
194 | {"mapped", no_argument, &mapped_symbol_files, 1}, | |
195 | {"m", no_argument, &mapped_symbol_files, 1}, | |
196 | {"quiet", no_argument, &quiet, 1}, | |
197 | {"q", no_argument, &quiet, 1}, | |
198 | {"silent", no_argument, &quiet, 1}, | |
199 | {"nx", no_argument, &inhibit_gdbinit, 1}, | |
200 | {"n", no_argument, &inhibit_gdbinit, 1}, | |
201 | {"batch", no_argument, &batch, 1}, | |
202 | {"epoch", no_argument, &epoch_interface, 1}, | |
203 | ||
204 | /* This is a synonym for "--annotate=1". --annotate is now preferred, | |
205 | but keep this here for a long time because people will be running | |
206 | emacses which use --fullname. */ | |
207 | {"fullname", no_argument, 0, 'f'}, | |
208 | {"f", no_argument, 0, 'f'}, | |
209 | ||
210 | {"annotate", required_argument, 0, 12}, | |
211 | {"help", no_argument, &print_help, 1}, | |
212 | {"se", required_argument, 0, 10}, | |
213 | {"symbols", required_argument, 0, 's'}, | |
214 | {"s", required_argument, 0, 's'}, | |
215 | {"exec", required_argument, 0, 'e'}, | |
216 | {"e", required_argument, 0, 'e'}, | |
217 | {"core", required_argument, 0, 'c'}, | |
218 | {"c", required_argument, 0, 'c'}, | |
219 | {"command", required_argument, 0, 'x'}, | |
220 | {"version", no_argument, &print_version, 1}, | |
221 | {"x", required_argument, 0, 'x'}, | |
222 | {"directory", required_argument, 0, 'd'}, | |
223 | {"cd", required_argument, 0, 11}, | |
224 | {"tty", required_argument, 0, 't'}, | |
225 | {"baud", required_argument, 0, 'b'}, | |
226 | {"b", required_argument, 0, 'b'}, | |
227 | {"nw", no_argument, &use_windows, 0}, | |
228 | {"nowindows", no_argument, &use_windows, 0}, | |
229 | {"w", no_argument, &use_windows, 1}, | |
230 | {"windows", no_argument, &use_windows, 1}, | |
231 | {"statistics", no_argument, 0, 13}, | |
232 | {"write", no_argument, &write_files, 1}, | |
c906108c SS |
233 | /* Allow machine descriptions to add more options... */ |
234 | #ifdef ADDITIONAL_OPTIONS | |
c5aa993b | 235 | ADDITIONAL_OPTIONS |
c906108c | 236 | #endif |
c5aa993b JM |
237 | {0, no_argument, 0, 0} |
238 | }; | |
c906108c SS |
239 | |
240 | while (1) | |
241 | { | |
242 | int option_index; | |
243 | ||
244 | c = getopt_long_only (argc, argv, "", | |
245 | long_options, &option_index); | |
246 | if (c == EOF) | |
247 | break; | |
248 | ||
249 | /* Long option that takes an argument. */ | |
250 | if (c == 0 && long_options[option_index].flag == 0) | |
251 | c = long_options[option_index].val; | |
252 | ||
253 | switch (c) | |
254 | { | |
255 | case 0: | |
256 | /* Long option that just sets a flag. */ | |
257 | break; | |
258 | case 10: | |
259 | symarg = optarg; | |
260 | execarg = optarg; | |
261 | break; | |
262 | case 11: | |
263 | cdarg = optarg; | |
264 | break; | |
265 | case 12: | |
266 | /* FIXME: what if the syntax is wrong (e.g. not digits)? */ | |
267 | annotation_level = atoi (optarg); | |
268 | break; | |
269 | case 13: | |
270 | /* Enable the display of both time and space usage. */ | |
271 | display_time = 1; | |
272 | display_space = 1; | |
273 | break; | |
274 | case 'f': | |
275 | annotation_level = 1; | |
276 | /* We have probably been invoked from emacs. Disable window interface. */ | |
277 | use_windows = 0; | |
278 | break; | |
279 | case 's': | |
280 | symarg = optarg; | |
281 | break; | |
282 | case 'e': | |
283 | execarg = optarg; | |
284 | break; | |
285 | case 'c': | |
286 | corearg = optarg; | |
287 | break; | |
288 | case 'x': | |
289 | cmdarg[ncmd++] = optarg; | |
290 | if (ncmd >= cmdsize) | |
291 | { | |
292 | cmdsize *= 2; | |
c5aa993b | 293 | cmdarg = (char **) xrealloc ((char *) cmdarg, |
c906108c SS |
294 | cmdsize * sizeof (*cmdarg)); |
295 | } | |
296 | break; | |
297 | case 'd': | |
298 | dirarg[ndir++] = optarg; | |
299 | if (ndir >= dirsize) | |
300 | { | |
301 | dirsize *= 2; | |
c5aa993b | 302 | dirarg = (char **) xrealloc ((char *) dirarg, |
c906108c SS |
303 | dirsize * sizeof (*dirarg)); |
304 | } | |
305 | break; | |
306 | case 't': | |
307 | ttyarg = optarg; | |
308 | break; | |
309 | case 'q': | |
310 | quiet = 1; | |
311 | break; | |
312 | case 'b': | |
313 | { | |
314 | int i; | |
315 | char *p; | |
316 | ||
317 | i = strtol (optarg, &p, 0); | |
318 | if (i == 0 && p == optarg) | |
319 | ||
320 | /* Don't use *_filtered or warning() (which relies on | |
c5aa993b | 321 | current_target) until after initialize_all_files(). */ |
c906108c SS |
322 | |
323 | fprintf_unfiltered | |
324 | (gdb_stderr, | |
325 | "warning: could not set baud rate to `%s'.\n", optarg); | |
326 | else | |
327 | baud_rate = i; | |
328 | } | |
329 | case 'l': | |
330 | { | |
331 | int i; | |
332 | char *p; | |
333 | ||
334 | i = strtol (optarg, &p, 0); | |
335 | if (i == 0 && p == optarg) | |
336 | ||
337 | /* Don't use *_filtered or warning() (which relies on | |
c5aa993b | 338 | current_target) until after initialize_all_files(). */ |
c906108c SS |
339 | |
340 | fprintf_unfiltered | |
341 | (gdb_stderr, | |
c5aa993b | 342 | "warning: could not set timeout limit to `%s'.\n", optarg); |
c906108c SS |
343 | else |
344 | remote_timeout = i; | |
345 | } | |
346 | break; | |
347 | ||
348 | #ifdef ADDITIONAL_OPTION_CASES | |
c5aa993b | 349 | ADDITIONAL_OPTION_CASES |
c906108c SS |
350 | #endif |
351 | case '?': | |
352 | fprintf_unfiltered (gdb_stderr, | |
c5aa993b JM |
353 | "Use `%s --help' for a complete list of options.\n", |
354 | argv[0]); | |
c906108c SS |
355 | exit (1); |
356 | } | |
357 | } | |
358 | ||
359 | /* If --help or --version, disable window interface. */ | |
360 | if (print_help || print_version) | |
361 | { | |
362 | use_windows = 0; | |
363 | #ifdef TUI | |
364 | /* Disable the TUI as well. */ | |
365 | tui_version = 0; | |
366 | #endif | |
367 | } | |
368 | ||
369 | #ifdef TUI | |
370 | /* An explicit --tui flag overrides the default UI, which is the | |
371 | window system. */ | |
372 | if (tui_version) | |
373 | use_windows = 0; | |
c5aa993b | 374 | #endif |
c906108c SS |
375 | |
376 | /* OK, that's all the options. The other arguments are filenames. */ | |
377 | count = 0; | |
378 | for (; optind < argc; optind++) | |
379 | switch (++count) | |
380 | { | |
381 | case 1: | |
382 | symarg = argv[optind]; | |
383 | execarg = argv[optind]; | |
384 | break; | |
385 | case 2: | |
386 | corearg = argv[optind]; | |
387 | break; | |
388 | case 3: | |
389 | fprintf_unfiltered (gdb_stderr, | |
c5aa993b JM |
390 | "Excess command line arguments ignored. (%s%s)\n", |
391 | argv[optind], (optind == argc - 1) ? "" : " ..."); | |
c906108c SS |
392 | break; |
393 | } | |
394 | if (batch) | |
395 | quiet = 1; | |
396 | } | |
397 | ||
398 | #if defined(TUI) | |
0f71a2f6 | 399 | /* Should this be moved to tui-top.c:_initialize_tui()? */ |
c906108c SS |
400 | if (tui_version) |
401 | init_ui_hook = tuiInit; | |
402 | #endif | |
0f71a2f6 JM |
403 | |
404 | /* Initialize all files. Give the interpreter a chance to take | |
405 | control of the console via the init_ui_hook()) */ | |
c906108c SS |
406 | gdb_init (argv[0]); |
407 | ||
408 | /* Do these (and anything which might call wrap_here or *_filtered) | |
409 | after initialize_all_files. */ | |
410 | if (print_version) | |
411 | { | |
412 | print_gdb_version (gdb_stdout); | |
413 | wrap_here (""); | |
414 | printf_filtered ("\n"); | |
415 | exit (0); | |
416 | } | |
417 | ||
418 | if (print_help) | |
419 | { | |
420 | print_gdb_help (gdb_stdout); | |
421 | fputs_unfiltered ("\n", gdb_stdout); | |
422 | exit (0); | |
423 | } | |
424 | ||
425 | if (!quiet) | |
426 | { | |
427 | /* Print all the junk at the top, with trailing "..." if we are about | |
c5aa993b | 428 | to read a symbol file (possibly slowly). */ |
c906108c SS |
429 | print_gdb_version (gdb_stdout); |
430 | if (symarg) | |
431 | printf_filtered (".."); | |
c5aa993b JM |
432 | wrap_here (""); |
433 | gdb_flush (gdb_stdout); /* Force to screen during slow operations */ | |
c906108c SS |
434 | } |
435 | ||
436 | error_pre_print = "\n\n"; | |
437 | quit_pre_print = error_pre_print; | |
438 | ||
439 | /* We may get more than one warning, don't double space all of them... */ | |
440 | warning_pre_print = "\nwarning: "; | |
441 | ||
442 | /* Read and execute $HOME/.gdbinit file, if it exists. This is done | |
443 | *before* all the command line arguments are processed; it sets | |
444 | global parameters, which are independent of what file you are | |
445 | debugging or what directory you are in. */ | |
446 | #ifdef __CYGWIN32__ | |
447 | { | |
c5aa993b JM |
448 | char *tmp = getenv ("HOME"); |
449 | ||
c906108c SS |
450 | if (tmp != NULL) |
451 | { | |
c5aa993b JM |
452 | homedir = (char *) alloca (MAX_PATH + 1); |
453 | cygwin32_conv_to_posix_path (tmp, homedir); | |
c906108c SS |
454 | } |
455 | else | |
456 | homedir = NULL; | |
457 | } | |
458 | #else | |
c5aa993b | 459 | homedir = getenv ("HOME"); |
c906108c SS |
460 | #endif |
461 | if (homedir) | |
462 | { | |
463 | homeinit = (char *) alloca (strlen (homedir) + | |
464 | strlen (gdbinit) + 10); | |
465 | strcpy (homeinit, homedir); | |
466 | strcat (homeinit, "/"); | |
467 | strcat (homeinit, gdbinit); | |
468 | ||
469 | if (!inhibit_gdbinit) | |
470 | { | |
471 | if (!SET_TOP_LEVEL ()) | |
472 | source_command (homeinit, 0); | |
473 | } | |
474 | do_cleanups (ALL_CLEANUPS); | |
475 | ||
476 | /* Do stats; no need to do them elsewhere since we'll only | |
c5aa993b JM |
477 | need them if homedir is set. Make sure that they are |
478 | zero in case one of them fails (this guarantees that they | |
479 | won't match if either exists). */ | |
480 | ||
c906108c SS |
481 | memset (&homebuf, 0, sizeof (struct stat)); |
482 | memset (&cwdbuf, 0, sizeof (struct stat)); | |
c5aa993b | 483 | |
c906108c | 484 | stat (homeinit, &homebuf); |
c5aa993b JM |
485 | stat (gdbinit, &cwdbuf); /* We'll only need this if |
486 | homedir was set. */ | |
c906108c SS |
487 | } |
488 | ||
489 | /* Now perform all the actions indicated by the arguments. */ | |
490 | if (cdarg != NULL) | |
491 | { | |
492 | if (!SET_TOP_LEVEL ()) | |
493 | { | |
494 | cd_command (cdarg, 0); | |
495 | } | |
496 | } | |
497 | do_cleanups (ALL_CLEANUPS); | |
498 | ||
499 | for (i = 0; i < ndir; i++) | |
500 | if (!SET_TOP_LEVEL ()) | |
501 | directory_command (dirarg[i], 0); | |
c5aa993b | 502 | free ((PTR) dirarg); |
c906108c SS |
503 | do_cleanups (ALL_CLEANUPS); |
504 | ||
505 | if (execarg != NULL | |
506 | && symarg != NULL | |
507 | && STREQ (execarg, symarg)) | |
508 | { | |
509 | /* The exec file and the symbol-file are the same. If we can't open | |
c5aa993b | 510 | it, better only print one error message. */ |
c906108c SS |
511 | if (!SET_TOP_LEVEL ()) |
512 | { | |
513 | exec_file_command (execarg, !batch); | |
514 | symbol_file_command (symarg, 0); | |
515 | } | |
516 | } | |
517 | else | |
518 | { | |
519 | if (execarg != NULL) | |
520 | if (!SET_TOP_LEVEL ()) | |
521 | exec_file_command (execarg, !batch); | |
522 | if (symarg != NULL) | |
523 | if (!SET_TOP_LEVEL ()) | |
524 | symbol_file_command (symarg, 0); | |
525 | } | |
526 | do_cleanups (ALL_CLEANUPS); | |
527 | ||
528 | /* After the symbol file has been read, print a newline to get us | |
529 | beyond the copyright line... But errors should still set off | |
530 | the error message with a (single) blank line. */ | |
531 | if (!quiet) | |
532 | printf_filtered ("\n"); | |
533 | error_pre_print = "\n"; | |
534 | quit_pre_print = error_pre_print; | |
535 | warning_pre_print = "\nwarning: "; | |
536 | ||
537 | if (corearg != NULL) | |
538 | { | |
539 | if (!SET_TOP_LEVEL ()) | |
540 | core_file_command (corearg, !batch); | |
541 | else if (isdigit (corearg[0]) && !SET_TOP_LEVEL ()) | |
542 | attach_command (corearg, !batch); | |
543 | } | |
544 | do_cleanups (ALL_CLEANUPS); | |
545 | ||
546 | if (ttyarg != NULL) | |
547 | if (!SET_TOP_LEVEL ()) | |
548 | tty_command (ttyarg, !batch); | |
549 | do_cleanups (ALL_CLEANUPS); | |
550 | ||
551 | #ifdef ADDITIONAL_OPTION_HANDLER | |
552 | ADDITIONAL_OPTION_HANDLER; | |
553 | #endif | |
554 | ||
555 | /* Error messages should no longer be distinguished with extra output. */ | |
556 | error_pre_print = NULL; | |
557 | quit_pre_print = NULL; | |
558 | warning_pre_print = "warning: "; | |
559 | ||
560 | /* Read the .gdbinit file in the current directory, *if* it isn't | |
561 | the same as the $HOME/.gdbinit file (it should exist, also). */ | |
c5aa993b | 562 | |
c906108c SS |
563 | if (!homedir |
564 | || memcmp ((char *) &homebuf, (char *) &cwdbuf, sizeof (struct stat))) | |
565 | if (!inhibit_gdbinit) | |
566 | { | |
567 | if (!SET_TOP_LEVEL ()) | |
568 | source_command (gdbinit, 0); | |
569 | } | |
570 | do_cleanups (ALL_CLEANUPS); | |
571 | ||
572 | for (i = 0; i < ncmd; i++) | |
573 | { | |
574 | if (!SET_TOP_LEVEL ()) | |
575 | { | |
b83266a0 SS |
576 | /* NOTE: I am commenting this out, because it is not clear |
577 | where this feature is used. It is very old and | |
c5aa993b | 578 | undocumented. ezannoni: 1999-05-04 */ |
b83266a0 | 579 | #if 0 |
c906108c SS |
580 | if (cmdarg[i][0] == '-' && cmdarg[i][1] == '\0') |
581 | read_command_file (stdin); | |
582 | else | |
b83266a0 | 583 | #endif |
c906108c SS |
584 | source_command (cmdarg[i], !batch); |
585 | do_cleanups (ALL_CLEANUPS); | |
586 | } | |
587 | } | |
c5aa993b | 588 | free ((PTR) cmdarg); |
c906108c SS |
589 | |
590 | /* Read in the old history after all the command files have been read. */ | |
c5aa993b | 591 | init_history (); |
c906108c SS |
592 | |
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 | ||
606 | END_PROGRESS (argv[0]); | |
607 | ||
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 | { | |
620 | #ifdef HAVE_SBRK | |
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)); | |
626 | #endif | |
627 | } | |
628 | ||
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. */ | |
632 | #if !defined _WIN32 || defined __GNUC__ | |
633 | while (1) | |
634 | { | |
635 | if (!SET_TOP_LEVEL ()) | |
636 | { | |
c5aa993b | 637 | do_cleanups (ALL_CLEANUPS); /* Do complete cleanup */ |
c906108c SS |
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 (); | |
643 | else | |
644 | command_loop (); | |
c5aa993b | 645 | quit_command ((char *) 0, instream == stdin); |
c906108c SS |
646 | } |
647 | } | |
c906108c SS |
648 | /* No exit -- exit is through quit_command. */ |
649 | #endif | |
650 | ||
651 | } | |
652 | ||
653 | /* Don't use *_filtered for printing help. We don't want to prompt | |
654 | for continue no matter how small the screen or how much we're going | |
655 | to print. */ | |
656 | ||
657 | static void | |
658 | print_gdb_help (stream) | |
c5aa993b | 659 | GDB_FILE *stream; |
c906108c | 660 | { |
c5aa993b | 661 | fputs_unfiltered ("\ |
c906108c SS |
662 | This is the GNU debugger. Usage:\n\n\ |
663 | gdb [options] [executable-file [core-file or process-id]]\n\n\ | |
664 | Options:\n\n\ | |
0f71a2f6 | 665 | ", stream); |
c5aa993b | 666 | fputs_unfiltered ("\ |
0f71a2f6 | 667 | --[no]async Enable (disable) asynchronous version of CLI\n\ |
c906108c | 668 | ", stream); |
c5aa993b | 669 | fputs_unfiltered ("\ |
c906108c SS |
670 | -b BAUDRATE Set serial port baud rate used for remote debugging.\n\ |
671 | --batch Exit after processing options.\n\ | |
672 | --cd=DIR Change current directory to DIR.\n\ | |
673 | --command=FILE Execute GDB commands from FILE.\n\ | |
674 | --core=COREFILE Analyze the core dump COREFILE.\n\ | |
675 | ", stream); | |
c5aa993b | 676 | fputs_unfiltered ("\ |
c906108c SS |
677 | --dbx DBX compatibility mode.\n\ |
678 | --directory=DIR Search for source files in DIR.\n\ | |
679 | --epoch Output information used by epoch emacs-GDB interface.\n\ | |
680 | --exec=EXECFILE Use EXECFILE as the executable.\n\ | |
681 | --fullname Output information used by emacs-GDB interface.\n\ | |
682 | --help Print this message.\n\ | |
683 | ", stream); | |
c5aa993b | 684 | fputs_unfiltered ("\ |
c906108c SS |
685 | --mapped Use mapped symbol files if supported on this system.\n\ |
686 | --nw Do not use a window interface.\n\ | |
687 | --nx Do not read .gdbinit file.\n\ | |
688 | --quiet Do not print version number on startup.\n\ | |
689 | --readnow Fully read symbol files on first access.\n\ | |
690 | ", stream); | |
c5aa993b | 691 | fputs_unfiltered ("\ |
c906108c SS |
692 | --se=FILE Use FILE as symbol file and executable file.\n\ |
693 | --symbols=SYMFILE Read symbols from SYMFILE.\n\ | |
694 | --tty=TTY Use TTY for input/output by the program being debugged.\n\ | |
695 | ", stream); | |
696 | #if defined(TUI) | |
c5aa993b | 697 | fputs_unfiltered ("\ |
c906108c SS |
698 | --tui Use a terminal user interface.\n\ |
699 | ", stream); | |
700 | #endif | |
c5aa993b | 701 | fputs_unfiltered ("\ |
c906108c SS |
702 | --version Print version information and then exit.\n\ |
703 | -w Use a window interface.\n\ | |
704 | --write Set writing into executable and core files.\n\ | |
705 | --xdb XDB compatibility mode.\n\ | |
706 | ", stream); | |
707 | #ifdef ADDITIONAL_OPTION_HELP | |
c5aa993b | 708 | fputs_unfiltered (ADDITIONAL_OPTION_HELP, stream); |
c906108c | 709 | #endif |
c5aa993b | 710 | fputs_unfiltered ("\n\ |
c906108c SS |
711 | For more information, type \"help\" from within GDB, or consult the\n\ |
712 | GDB manual (available as on-line info or a printed manual).\n\ | |
713 | Report bugs to \"bug-gdb@prep.ai.mit.edu\".\ | |
714 | ", stream); | |
715 | } | |
c906108c | 716 | \f |
c5aa993b | 717 | |
ac9a91a7 JM |
718 | /* All TUI I/O sent to the *_filtered and *_unfiltered functions |
719 | eventually ends up here. The fputs_unfiltered_hook is primarily | |
720 | used by GUIs to collect all output and send it to the GUI, instead | |
721 | of the controlling terminal. Only output to gdb_stdout and | |
722 | gdb_stderr are sent to the hook. Everything else is sent on to | |
723 | fputs to allow file I/O to be handled appropriately. */ | |
724 | ||
725 | /* FIXME: Should be broken up and moved to a TUI specific file. */ | |
c906108c SS |
726 | |
727 | void | |
ac9a91a7 | 728 | tui_file_fputs (linebuffer, file) |
c906108c | 729 | const char *linebuffer; |
ac9a91a7 | 730 | GDB_FILE *file; |
c906108c | 731 | { |
ac9a91a7 | 732 | struct tui_stream *stream = gdb_file_data (file); |
c906108c SS |
733 | #if defined(TUI) |
734 | extern int tui_owns_terminal; | |
735 | #endif | |
736 | /* If anything (GUI, TUI) wants to capture GDB output, this is | |
737 | * the place... the way to do it is to set up | |
738 | * fputs_unfiltered_hook. | |
739 | * Our TUI ("gdb -tui") used to hook output, but in the | |
740 | * new (XDB style) scheme, we do not do that anymore... - RT | |
741 | */ | |
742 | if (fputs_unfiltered_hook | |
ac9a91a7 JM |
743 | && (file == gdb_stdout |
744 | || file == gdb_stderr)) | |
745 | fputs_unfiltered_hook (linebuffer, file); | |
c906108c SS |
746 | else |
747 | { | |
748 | #if defined(TUI) | |
c5aa993b JM |
749 | if (tui_version && tui_owns_terminal) |
750 | { | |
751 | /* If we get here somehow while updating the TUI (from | |
752 | * within a tuiDo(), then we need to temporarily | |
753 | * set up the terminal for GDB output. This probably just | |
754 | * happens on error output. | |
755 | */ | |
756 | ||
757 | if (stream->ts_streamtype == astring) | |
758 | { | |
759 | gdb_file_adjust_strbuf (strlen (linebuffer), stream); | |
760 | strcat (stream->ts_strbuf, linebuffer); | |
761 | } | |
762 | else | |
763 | { | |
764 | tuiTermUnsetup (0, (tui_version) ? cmdWin->detail.commandInfo.curch : 0); | |
765 | fputs (linebuffer, stream->ts_filestream); | |
766 | tuiTermSetup (0); | |
767 | if (linebuffer[strlen (linebuffer) - 1] == '\n') | |
768 | tuiClearCommandCharCount (); | |
769 | else | |
770 | tuiIncrCommandCharCountBy (strlen (linebuffer)); | |
771 | } | |
772 | } | |
773 | else | |
774 | { | |
775 | /* The normal case - just do a fputs() */ | |
776 | if (stream->ts_streamtype == astring) | |
777 | { | |
778 | gdb_file_adjust_strbuf (strlen (linebuffer), stream); | |
779 | strcat (stream->ts_strbuf, linebuffer); | |
780 | } | |
781 | else | |
782 | fputs (linebuffer, stream->ts_filestream); | |
783 | } | |
784 | ||
c906108c SS |
785 | |
786 | #else | |
c5aa993b JM |
787 | if (stream->ts_streamtype == astring) |
788 | { | |
789 | gdb_file_adjust_strbuf (strlen (linebuffer), file); | |
790 | strcat (stream->ts_strbuf, linebuffer); | |
791 | } | |
792 | else | |
793 | fputs (linebuffer, stream->ts_filestream); | |
c906108c SS |
794 | #endif |
795 | } | |
796 | } |