Commit | Line | Data |
---|---|---|
b8ec8d4a | 1 | /* Top level stuff for GDB, the GNU debugger. |
8b564df8 | 2 | Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994 |
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 JG |
18 | along with this program; if not, write to the Free Software |
19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, 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> |
b8ec8d4a | 31 | #include <sys/stat.h> |
844750e3 | 32 | #include <ctype.h> |
b8ec8d4a SS |
33 | |
34 | #include <string.h> | |
35 | /* R_OK lives in either unistd.h or sys/file.h. */ | |
09973223 | 36 | #ifdef USG |
bd5635a1 RP |
37 | #include <unistd.h> |
38 | #endif | |
ee0613d1 | 39 | #ifndef NO_SYS_FILE |
bd5635a1 | 40 | #include <sys/file.h> |
ee0613d1 | 41 | #endif |
bd5635a1 | 42 | |
9748446f JK |
43 | /* Temporary variable for SET_TOP_LEVEL. */ |
44 | static int top_level_val; | |
45 | ||
46 | /* Do a setjmp on error_return and quit_return. catch_errors is | |
47 | generally a cleaner way to do this, but main() would look pretty | |
48 | ugly if it had to use catch_errors each time. */ | |
49 | ||
50 | #define SET_TOP_LEVEL() \ | |
51 | (((top_level_val = setjmp (error_return)) \ | |
52 | ? (PTR) 0 : (PTR) memcpy (quit_return, error_return, sizeof (jmp_buf))) \ | |
53 | , top_level_val) | |
54 | ||
844750e3 SS |
55 | extern void gdb_init PARAMS ((void)); |
56 | ||
bd5635a1 RP |
57 | int |
58 | main (argc, argv) | |
59 | int argc; | |
60 | char **argv; | |
61 | { | |
62 | int count; | |
bd5635a1 RP |
63 | static int quiet = 0; |
64 | static int batch = 0; | |
65 | ||
66 | /* Pointers to various arguments from command line. */ | |
67 | char *symarg = NULL; | |
68 | char *execarg = NULL; | |
69 | char *corearg = NULL; | |
70 | char *cdarg = NULL; | |
71 | char *ttyarg = NULL; | |
72 | ||
c307bb11 JK |
73 | /* These are static so that we can take their address in an initializer. */ |
74 | static int print_help; | |
75 | static int print_version; | |
76 | ||
77 | /* Pointers to all arguments of --command option. */ | |
bd5635a1 RP |
78 | char **cmdarg; |
79 | /* Allocated size of cmdarg. */ | |
80 | int cmdsize; | |
81 | /* Number of elements of cmdarg used. */ | |
82 | int ncmd; | |
83 | ||
c307bb11 | 84 | /* Indices of all arguments of --directory option. */ |
bd5635a1 RP |
85 | char **dirarg; |
86 | /* Allocated size. */ | |
87 | int dirsize; | |
88 | /* Number of elements used. */ | |
89 | int ndir; | |
90 | ||
3a16d640 JG |
91 | struct stat homebuf, cwdbuf; |
92 | char *homedir, *homeinit; | |
93 | ||
bd5635a1 RP |
94 | register int i; |
95 | ||
a6b26c44 SS |
96 | /* start-sanitize-mpw */ |
97 | #ifdef MPW | |
98 | /* Drop into MacsBug, but only if the executable is specially named. */ | |
99 | if (strcmp(argv[0], "DEBUGGDB") == 0) | |
100 | DebugStr("\pat start of GDB main"); | |
b8ec8d4a SS |
101 | /* Do all Mac-specific setup. */ |
102 | mac_init (); | |
a6b26c44 SS |
103 | #endif /* MPW */ |
104 | /* end-sanitize-mpw */ | |
bd5635a1 | 105 | /* This needs to happen before the first use of malloc. */ |
318bf84f | 106 | init_malloc ((PTR) NULL); |
bd5635a1 RP |
107 | |
108 | #if defined (ALIGN_STACK_ON_STARTUP) | |
109 | i = (int) &count & 0x3; | |
110 | if (i != 0) | |
111 | alloca (4 - i); | |
112 | #endif | |
113 | ||
bd099407 | 114 | /* If error() is called from initialization code, just exit */ |
9748446f | 115 | if (SET_TOP_LEVEL ()) { |
bd099407 JG |
116 | exit(1); |
117 | } | |
118 | ||
bd5635a1 RP |
119 | cmdsize = 1; |
120 | cmdarg = (char **) xmalloc (cmdsize * sizeof (*cmdarg)); | |
121 | ncmd = 0; | |
122 | dirsize = 1; | |
123 | dirarg = (char **) xmalloc (dirsize * sizeof (*dirarg)); | |
124 | ndir = 0; | |
125 | ||
126 | quit_flag = 0; | |
127 | line = (char *) xmalloc (linesize); | |
128 | line[0] = '\0'; /* Terminate saved (now empty) cmd line */ | |
129 | instream = stdin; | |
130 | ||
b7ec5b8d FF |
131 | getcwd (gdb_dirbuf, sizeof (gdb_dirbuf)); |
132 | current_directory = gdb_dirbuf; | |
bd5635a1 | 133 | |
bd5635a1 RP |
134 | /* Parse arguments and options. */ |
135 | { | |
136 | int c; | |
bd5635a1 RP |
137 | /* When var field is 0, use flag field to record the equivalent |
138 | short option (or arbitrary numbers starting at 10 for those | |
139 | with no equivalent). */ | |
140 | static struct option long_options[] = | |
141 | { | |
318bf84f FF |
142 | {"readnow", no_argument, &readnow_symbol_files, 1}, |
143 | {"r", no_argument, &readnow_symbol_files, 1}, | |
144 | {"mapped", no_argument, &mapped_symbol_files, 1}, | |
145 | {"m", no_argument, &mapped_symbol_files, 1}, | |
ee0613d1 JG |
146 | {"quiet", no_argument, &quiet, 1}, |
147 | {"q", no_argument, &quiet, 1}, | |
fb29d681 | 148 | {"silent", no_argument, &quiet, 1}, |
ee0613d1 JG |
149 | {"nx", no_argument, &inhibit_gdbinit, 1}, |
150 | {"n", no_argument, &inhibit_gdbinit, 1}, | |
151 | {"batch", no_argument, &batch, 1}, | |
152 | {"epoch", no_argument, &epoch_interface, 1}, | |
6c803036 JK |
153 | |
154 | /* This is a synonym for "--annotate=1". --annotate is now preferred, | |
155 | but keep this here for a long time because people will be running | |
156 | emacses which use --fullname. */ | |
157 | {"fullname", no_argument, 0, 'f'}, | |
158 | {"f", no_argument, 0, 'f'}, | |
159 | ||
160 | {"annotate", required_argument, 0, 12}, | |
ee0613d1 JG |
161 | {"help", no_argument, &print_help, 1}, |
162 | {"se", required_argument, 0, 10}, | |
163 | {"symbols", required_argument, 0, 's'}, | |
164 | {"s", required_argument, 0, 's'}, | |
165 | {"exec", required_argument, 0, 'e'}, | |
166 | {"e", required_argument, 0, 'e'}, | |
167 | {"core", required_argument, 0, 'c'}, | |
168 | {"c", required_argument, 0, 'c'}, | |
169 | {"command", required_argument, 0, 'x'}, | |
c307bb11 | 170 | {"version", no_argument, &print_version, 1}, |
ee0613d1 JG |
171 | {"x", required_argument, 0, 'x'}, |
172 | {"directory", required_argument, 0, 'd'}, | |
173 | {"cd", required_argument, 0, 11}, | |
174 | {"tty", required_argument, 0, 't'}, | |
175 | {"baud", required_argument, 0, 'b'}, | |
176 | {"b", required_argument, 0, 'b'}, | |
754e5da2 SG |
177 | {"nw", no_argument, &no_windows, 1}, |
178 | {"nowindows", no_argument, &no_windows, 1}, | |
bd5635a1 RP |
179 | /* Allow machine descriptions to add more options... */ |
180 | #ifdef ADDITIONAL_OPTIONS | |
181 | ADDITIONAL_OPTIONS | |
182 | #endif | |
ee0613d1 | 183 | {0, no_argument, 0, 0}, |
bd5635a1 RP |
184 | }; |
185 | ||
186 | while (1) | |
187 | { | |
ee0613d1 JG |
188 | int option_index; |
189 | ||
bd5635a1 RP |
190 | c = getopt_long_only (argc, argv, "", |
191 | long_options, &option_index); | |
192 | if (c == EOF) | |
193 | break; | |
194 | ||
195 | /* Long option that takes an argument. */ | |
196 | if (c == 0 && long_options[option_index].flag == 0) | |
197 | c = long_options[option_index].val; | |
198 | ||
199 | switch (c) | |
200 | { | |
201 | case 0: | |
202 | /* Long option that just sets a flag. */ | |
203 | break; | |
204 | case 10: | |
205 | symarg = optarg; | |
206 | execarg = optarg; | |
207 | break; | |
208 | case 11: | |
209 | cdarg = optarg; | |
210 | break; | |
6c803036 JK |
211 | case 12: |
212 | /* FIXME: what if the syntax is wrong (e.g. not digits)? */ | |
213 | annotation_level = atoi (optarg); | |
214 | break; | |
215 | case 'f': | |
216 | annotation_level = 1; | |
217 | break; | |
bd5635a1 RP |
218 | case 's': |
219 | symarg = optarg; | |
220 | break; | |
221 | case 'e': | |
222 | execarg = optarg; | |
223 | break; | |
224 | case 'c': | |
225 | corearg = optarg; | |
226 | break; | |
227 | case 'x': | |
228 | cmdarg[ncmd++] = optarg; | |
229 | if (ncmd >= cmdsize) | |
230 | { | |
231 | cmdsize *= 2; | |
232 | cmdarg = (char **) xrealloc ((char *)cmdarg, | |
233 | cmdsize * sizeof (*cmdarg)); | |
234 | } | |
235 | break; | |
236 | case 'd': | |
237 | dirarg[ndir++] = optarg; | |
238 | if (ndir >= dirsize) | |
239 | { | |
240 | dirsize *= 2; | |
241 | dirarg = (char **) xrealloc ((char *)dirarg, | |
242 | dirsize * sizeof (*dirarg)); | |
243 | } | |
244 | break; | |
245 | case 't': | |
246 | ttyarg = optarg; | |
247 | break; | |
248 | case 'q': | |
249 | quiet = 1; | |
250 | break; | |
251 | case 'b': | |
d0d8484a SG |
252 | { |
253 | int i; | |
254 | char *p; | |
255 | ||
256 | i = strtol (optarg, &p, 0); | |
257 | if (i == 0 && p == optarg) | |
8e4c7b3e JK |
258 | |
259 | /* Don't use *_filtered or warning() (which relies on | |
260 | current_target) until after initialize_all_files(). */ | |
261 | ||
262 | fprintf_unfiltered | |
263 | (gdb_stderr, | |
264 | "warning: could not set baud rate to `%s'.\n", optarg); | |
d0d8484a SG |
265 | else |
266 | baud_rate = i; | |
267 | } | |
bd5635a1 | 268 | break; |
d0d8484a | 269 | |
bd5635a1 RP |
270 | #ifdef ADDITIONAL_OPTION_CASES |
271 | ADDITIONAL_OPTION_CASES | |
272 | #endif | |
273 | case '?': | |
199b2450 | 274 | fprintf_unfiltered (gdb_stderr, |
fb29d681 | 275 | "Use `%s --help' for a complete list of options.\n", |
bd5635a1 RP |
276 | argv[0]); |
277 | exit (1); | |
278 | } | |
bd5635a1 | 279 | } |
fb29d681 | 280 | |
bd5635a1 RP |
281 | /* OK, that's all the options. The other arguments are filenames. */ |
282 | count = 0; | |
283 | for (; optind < argc; optind++) | |
284 | switch (++count) | |
285 | { | |
286 | case 1: | |
287 | symarg = argv[optind]; | |
288 | execarg = argv[optind]; | |
289 | break; | |
290 | case 2: | |
291 | corearg = argv[optind]; | |
292 | break; | |
293 | case 3: | |
199b2450 | 294 | fprintf_unfiltered (gdb_stderr, |
bd5635a1 RP |
295 | "Excess command line arguments ignored. (%s%s)\n", |
296 | argv[optind], (optind == argc - 1) ? "" : " ..."); | |
297 | break; | |
298 | } | |
299 | if (batch) | |
300 | quiet = 1; | |
301 | } | |
302 | ||
d8fc8773 | 303 | gdb_init (); |
bd5635a1 | 304 | |
c307bb11 JK |
305 | /* Do these (and anything which might call wrap_here or *_filtered) |
306 | after initialize_all_files. */ | |
307 | if (print_version) | |
308 | { | |
199b2450 | 309 | print_gdb_version (gdb_stdout); |
c307bb11 JK |
310 | wrap_here (""); |
311 | printf_filtered ("\n"); | |
312 | exit (0); | |
313 | } | |
314 | ||
315 | if (print_help) | |
316 | { | |
317 | /* --version is intentionally not documented here, because we | |
318 | are printing the version here, and the help is long enough | |
319 | already. */ | |
320 | ||
199b2450 | 321 | print_gdb_version (gdb_stdout); |
c307bb11 JK |
322 | /* Make sure the output gets printed. */ |
323 | wrap_here (""); | |
324 | printf_filtered ("\n"); | |
325 | ||
326 | /* But don't use *_filtered here. We don't want to prompt for continue | |
327 | no matter how small the screen or how much we're going to print. */ | |
a6b26c44 SS |
328 | /* start-sanitize-mpw */ |
329 | /* For reasons too ugly to describe... */ | |
330 | #ifdef MPW_C | |
331 | fputs_unfiltered ("This is the GNU debugger.\n", gdb_stdout); | |
332 | #else | |
333 | /* end-sanitize-mpw */ | |
199b2450 | 334 | fputs_unfiltered ("\ |
c307bb11 JK |
335 | This is the GNU debugger. Usage:\n\ |
336 | gdb [options] [executable-file [core-file or process-id]]\n\ | |
337 | Options:\n\ | |
338 | --help Print this message.\n\ | |
339 | --quiet Do not print version number on startup.\n\ | |
340 | --fullname Output information used by emacs-GDB interface.\n\ | |
341 | --epoch Output information used by epoch emacs-GDB interface.\n\ | |
342 | --batch Exit after processing options.\n\ | |
343 | --nx Do not read .gdbinit file.\n\ | |
344 | --tty=TTY Use TTY for input/output by the program being debugged.\n\ | |
345 | --cd=DIR Change current directory to DIR.\n\ | |
346 | --directory=DIR Search for source files in DIR.\n\ | |
347 | --command=FILE Execute GDB commands from FILE.\n\ | |
348 | --symbols=SYMFILE Read symbols from SYMFILE.\n\ | |
349 | --exec=EXECFILE Use EXECFILE as the executable.\n\ | |
350 | --se=FILE Use FILE as symbol file and executable file.\n\ | |
351 | --core=COREFILE Analyze the core dump COREFILE.\n\ | |
352 | -b BAUDRATE Set serial port baud rate used for remote debugging.\n\ | |
353 | --mapped Use mapped symbol files if supported on this system.\n\ | |
354 | --readnow Fully read symbol files on first access.\n\ | |
754e5da2 | 355 | --nw Do not use a window interface.\n\ |
199b2450 | 356 | ", gdb_stdout); |
a6b26c44 SS |
357 | /* start-sanitize-mpw */ |
358 | #endif /* MPW_C */ | |
359 | /* end-sanitize-mpw */ | |
c307bb11 | 360 | #ifdef ADDITIONAL_OPTION_HELP |
199b2450 | 361 | fputs_unfiltered (ADDITIONAL_OPTION_HELP, gdb_stdout); |
c307bb11 | 362 | #endif |
199b2450 | 363 | fputs_unfiltered ("\n\ |
c307bb11 | 364 | For more information, type \"help\" from within GDB, or consult the\n\ |
199b2450 | 365 | GDB manual (available as on-line info or a printed manual).\n", gdb_stdout); |
c307bb11 JK |
366 | exit (0); |
367 | } | |
368 | ||
bd5635a1 RP |
369 | if (!quiet) |
370 | { | |
81066208 JG |
371 | /* Print all the junk at the top, with trailing "..." if we are about |
372 | to read a symbol file (possibly slowly). */ | |
373 | print_gnu_advertisement (); | |
199b2450 | 374 | print_gdb_version (gdb_stdout); |
81066208 JG |
375 | if (symarg) |
376 | printf_filtered (".."); | |
bd099407 | 377 | wrap_here(""); |
199b2450 | 378 | gdb_flush (gdb_stdout); /* Force to screen during slow operations */ |
bd5635a1 RP |
379 | } |
380 | ||
81066208 | 381 | error_pre_print = "\n\n"; |
51b57ded FF |
382 | /* We may get more than one warning, don't double space all of them... */ |
383 | warning_pre_print = "\nwarning: "; | |
81066208 | 384 | |
3a16d640 JG |
385 | /* Read and execute $HOME/.gdbinit file, if it exists. This is done |
386 | *before* all the command line arguments are processed; it sets | |
387 | global parameters, which are independent of what file you are | |
388 | debugging or what directory you are in. */ | |
389 | homedir = getenv ("HOME"); | |
390 | if (homedir) | |
391 | { | |
392 | homeinit = (char *) alloca (strlen (getenv ("HOME")) + | |
393 | strlen (gdbinit) + 10); | |
394 | strcpy (homeinit, getenv ("HOME")); | |
395 | strcat (homeinit, "/"); | |
396 | strcat (homeinit, gdbinit); | |
397 | if (!inhibit_gdbinit && access (homeinit, R_OK) == 0) | |
398 | { | |
9748446f | 399 | if (!SET_TOP_LEVEL ()) |
3a16d640 JG |
400 | source_command (homeinit, 0); |
401 | } | |
402 | do_cleanups (ALL_CLEANUPS); | |
403 | ||
404 | /* Do stats; no need to do them elsewhere since we'll only | |
405 | need them if homedir is set. Make sure that they are | |
406 | zero in case one of them fails (this guarantees that they | |
407 | won't match if either exists). */ | |
408 | ||
409 | memset (&homebuf, 0, sizeof (struct stat)); | |
410 | memset (&cwdbuf, 0, sizeof (struct stat)); | |
411 | ||
412 | stat (homeinit, &homebuf); | |
413 | stat (gdbinit, &cwdbuf); /* We'll only need this if | |
414 | homedir was set. */ | |
415 | } | |
754e5da2 | 416 | |
bd5635a1 RP |
417 | /* Now perform all the actions indicated by the arguments. */ |
418 | if (cdarg != NULL) | |
419 | { | |
9748446f | 420 | if (!SET_TOP_LEVEL ()) |
bd5635a1 RP |
421 | { |
422 | cd_command (cdarg, 0); | |
bd5635a1 RP |
423 | } |
424 | } | |
f266e564 JK |
425 | do_cleanups (ALL_CLEANUPS); |
426 | ||
bd5635a1 | 427 | for (i = 0; i < ndir; i++) |
9748446f | 428 | if (!SET_TOP_LEVEL ()) |
bd5635a1 | 429 | directory_command (dirarg[i], 0); |
51b57ded | 430 | free ((PTR)dirarg); |
f266e564 JK |
431 | do_cleanups (ALL_CLEANUPS); |
432 | ||
bd5635a1 RP |
433 | if (execarg != NULL |
434 | && symarg != NULL | |
2e4964ad | 435 | && STREQ (execarg, symarg)) |
bd5635a1 RP |
436 | { |
437 | /* The exec file and the symbol-file are the same. If we can't open | |
438 | it, better only print one error message. */ | |
9748446f | 439 | if (!SET_TOP_LEVEL ()) |
bd5635a1 RP |
440 | { |
441 | exec_file_command (execarg, !batch); | |
81066208 | 442 | symbol_file_command (symarg, 0); |
bd5635a1 RP |
443 | } |
444 | } | |
445 | else | |
446 | { | |
447 | if (execarg != NULL) | |
9748446f | 448 | if (!SET_TOP_LEVEL ()) |
bd5635a1 RP |
449 | exec_file_command (execarg, !batch); |
450 | if (symarg != NULL) | |
9748446f | 451 | if (!SET_TOP_LEVEL ()) |
81066208 | 452 | symbol_file_command (symarg, 0); |
bd5635a1 | 453 | } |
f266e564 JK |
454 | do_cleanups (ALL_CLEANUPS); |
455 | ||
81066208 JG |
456 | /* After the symbol file has been read, print a newline to get us |
457 | beyond the copyright line... But errors should still set off | |
458 | the error message with a (single) blank line. */ | |
afe4ca15 JG |
459 | if (!quiet) |
460 | printf_filtered ("\n"); | |
81066208 | 461 | error_pre_print = "\n"; |
318bf84f | 462 | warning_pre_print = "\nwarning: "; |
81066208 | 463 | |
bd5635a1 | 464 | if (corearg != NULL) |
9748446f | 465 | if (!SET_TOP_LEVEL ()) |
bd5635a1 | 466 | core_file_command (corearg, !batch); |
9748446f | 467 | else if (isdigit (corearg[0]) && !SET_TOP_LEVEL ()) |
bd5635a1 | 468 | attach_command (corearg, !batch); |
f266e564 | 469 | do_cleanups (ALL_CLEANUPS); |
bd5635a1 RP |
470 | |
471 | if (ttyarg != NULL) | |
9748446f | 472 | if (!SET_TOP_LEVEL ()) |
bd5635a1 | 473 | tty_command (ttyarg, !batch); |
f266e564 | 474 | do_cleanups (ALL_CLEANUPS); |
bd5635a1 RP |
475 | |
476 | #ifdef ADDITIONAL_OPTION_HANDLER | |
477 | ADDITIONAL_OPTION_HANDLER; | |
478 | #endif | |
479 | ||
81066208 JG |
480 | /* Error messages should no longer be distinguished with extra output. */ |
481 | error_pre_print = 0; | |
318bf84f | 482 | warning_pre_print = "warning: "; |
81066208 | 483 | |
3a16d640 JG |
484 | /* Read the .gdbinit file in the current directory, *if* it isn't |
485 | the same as the $HOME/.gdbinit file (it should exist, also). */ | |
486 | ||
487 | if (!homedir | |
488 | || memcmp ((char *) &homebuf, (char *) &cwdbuf, sizeof (struct stat))) | |
489 | if (!inhibit_gdbinit && access (gdbinit, R_OK) == 0) | |
bd5635a1 | 490 | { |
9748446f | 491 | if (!SET_TOP_LEVEL ()) |
d75710b0 | 492 | source_command (gdbinit, 0); |
bd5635a1 | 493 | } |
d75710b0 FF |
494 | do_cleanups (ALL_CLEANUPS); |
495 | ||
496 | for (i = 0; i < ncmd; i++) | |
497 | { | |
9748446f | 498 | if (!SET_TOP_LEVEL ()) |
d75710b0 FF |
499 | { |
500 | if (cmdarg[i][0] == '-' && cmdarg[i][1] == '\0') | |
501 | read_command_file (stdin); | |
502 | else | |
503 | source_command (cmdarg[i], !batch); | |
504 | do_cleanups (ALL_CLEANUPS); | |
505 | } | |
506 | } | |
51b57ded | 507 | free ((PTR)cmdarg); |
bd5635a1 | 508 | |
8b3c897a | 509 | /* Read in the old history after all the command files have been read. */ |
fc61e9ee | 510 | init_history(); |
8b3c897a | 511 | |
bd5635a1 RP |
512 | if (batch) |
513 | { | |
514 | /* We have hit the end of the batch file. */ | |
515 | exit (0); | |
516 | } | |
517 | ||
518 | /* Do any host- or target-specific hacks. This is used for i960 targets | |
519 | to force the user to set a nindy target and spec its parameters. */ | |
520 | ||
521 | #ifdef BEFORE_MAIN_LOOP_HOOK | |
522 | BEFORE_MAIN_LOOP_HOOK; | |
523 | #endif | |
524 | ||
525 | /* The command loop. */ | |
526 | ||
527 | while (1) | |
528 | { | |
9748446f | 529 | if (!SET_TOP_LEVEL ()) |
bd5635a1 | 530 | { |
f266e564 | 531 | do_cleanups (ALL_CLEANUPS); /* Do complete cleanup */ |
754e5da2 SG |
532 | /* GUIs generally have their own command loop, mainloop, or whatever. |
533 | This is a good place to gain control because many error | |
534 | conditions will end up here via longjmp(). */ | |
535 | if (command_loop_hook) | |
536 | command_loop_hook (); | |
a6b26c44 | 537 | else |
754e5da2 | 538 | command_loop (); |
bd5635a1 RP |
539 | quit_command ((char *)0, instream == stdin); |
540 | } | |
541 | } | |
542 | /* No exit -- exit is through quit_command. */ | |
543 | } | |
d3507982 JK |
544 | \f |
545 | void | |
546 | init_proc () | |
547 | { | |
548 | } | |
549 | ||
550 | int | |
551 | proc_wait (pid, status) | |
552 | int pid; | |
553 | int *status; | |
554 | { | |
844750e3 | 555 | #ifndef __GO32__ |
d3507982 | 556 | return wait (status); |
844750e3 | 557 | #endif |
d3507982 JK |
558 | } |
559 | ||
560 | void | |
561 | proc_remove_foreign (pid) | |
562 | int pid; | |
563 | { | |
564 | } | |
bd5635a1 RP |
565 | |
566 | void | |
b8ec8d4a SS |
567 | fputs_unfiltered (linebuffer, stream) |
568 | const char *linebuffer; | |
569 | FILE *stream; | |
bd5635a1 | 570 | { |
754e5da2 SG |
571 | if (fputs_unfiltered_hook) |
572 | { | |
573 | fputs_unfiltered_hook (linebuffer); | |
574 | return; | |
575 | } | |
576 | ||
b8ec8d4a | 577 | fputs (linebuffer, stream); |
bd5635a1 | 578 | } |