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18
: gdb-6.1/gdb-6.1/gdb-6.1/gdb-6.1/gdb-6.1/gdb-6.1/gdb/main.c
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- Committer: Bazaar Package Importer
- Author(s): Stephan Hermann
- Date: 2008-05-05 12:54:24 UTC
- mfrom: (0.1.10 upstream) (2.1.3 lenny)
- Revision ID: james.westby@ubuntu.com-20080505125424-5q3qi10b5t8f1hc1
Tags: 4.0-6.3-1ubuntu1
* Merge from debian unstable, remaining changes:
- debian/patches/01_spu_commands.dpatch:
+ SPU extension support
- debian/rules:
+ Build SPU on powerpc
- debian/patches/01_spu_commands.dpatch:
+ SPU extension support
- debian/rules:
+ Build SPU on powerpc
- files added:
- debian/gdb-6.1.back/gdb-6.1/gdb-6.1/gdb-6.1/gdb-6.1/gdb-6.1
- debian/gdb-6.1.back/gdb-6.1/gdb-6.1/gdb-6.1/gdb-6.1/gdb-6.1/gdb
- debian/gdb-6.1.back/gdb-6.1/gdb-6.1/gdb-6.1/gdb-6.1/gdb-6.1/include
- gdb-6.1/gdb-6.1/gdb-6.1/gdb-6.1/gdb-6.1/gdb-6.1
- gdb-6.1/gdb-6.1/gdb-6.1/gdb-6.1/gdb-6.1/gdb-6.1/gdb
- gdb-6.1/gdb-6.1/gdb-6.1/gdb-6.1/gdb-6.1/gdb-6.1/include
- files modified:
- .rh_rpm_package
added
removed
gdb-6.1/gdb-6.1/gdb-6.1/gdb-6.1/gdb-6.1/gdb-6.1/gdb/main.c
1
/* Top level stuff for GDB, the GNU debugger.
2
3
Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
4
1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software
5
Foundation, Inc.
6
Portions Copyright (C) 2001, 2002 Mission Critical Linux, Inc.
7
Copyright (c) 2002, 2003, 2004, 2005 Red Hat, Inc. All rights reserved.
8
9
This file is part of GDB.
10
11
This program is free software; you can redistribute it and/or modify
12
it under the terms of the GNU General Public License as published by
13
the Free Software Foundation; either version 2 of the License, or
14
(at your option) any later version.
15
16
This program is distributed in the hope that it will be useful,
17
but WITHOUT ANY WARRANTY; without even the implied warranty of
18
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19
GNU General Public License for more details.
20
21
You should have received a copy of the GNU General Public License
22
along with this program; if not, write to the Free Software
23
Foundation, Inc., 59 Temple Place - Suite 330,
24
Boston, MA 02111-1307, USA. */
25
26
#include "defs.h"
27
#include "top.h"
28
#include "target.h"
29
#include "inferior.h"
30
#include "symfile.h"
31
#include "gdbcore.h"
32
33
#include "getopt.h"
34
35
#include <sys/types.h>
36
#include "gdb_stat.h"
37
#include <ctype.h>
38
39
#include "gdb_string.h"
40
#include "event-loop.h"
41
#include "ui-out.h"
42
43
#include "interps.h"
44
#include "main.h"
45
46
/* If nonzero, display time usage both at startup and for each command. */
47
48
int display_time;
49
50
/* If nonzero, display space usage both at startup and for each command. */
51
52
int display_space;
53
54
/* Whether this is the async version or not. The async version is
55
invoked on the command line with the -nw --async options. In this
56
version, the usual command_loop is substituted by and event loop which
57
processes UI events asynchronously. */
58
int event_loop_p = 1;
59
60
/* The selected interpreter. This will be used as a set command
61
variable, so it should always be malloc'ed - since
62
do_setshow_command will free it. */
63
char *interpreter_p;
64
65
/* Whether xdb commands will be handled */
66
int xdb_commands = 0;
67
68
/* Whether dbx commands will be handled */
69
int dbx_commands = 0;
70
71
/* System root path, used to find libraries etc. */
72
char *gdb_sysroot = 0;
73
74
struct ui_file *gdb_stdout;
75
struct ui_file *gdb_stderr;
76
struct ui_file *gdb_stdlog;
77
struct ui_file *gdb_stdin;
78
/* target IO streams */
79
struct ui_file *gdb_stdtargin;
80
struct ui_file *gdb_stdtarg;
81
struct ui_file *gdb_stdtargerr;
82
83
/* Whether to enable writing into executable and core files */
84
extern int write_files;
85
86
static void print_gdb_help (struct ui_file *);
87
88
/* These two are used to set the external editor commands when gdb is farming
89
out files to be edited by another program. */
90
91
extern char *external_editor_command;
92
93
/* Call command_loop. If it happens to return, pass that through as a
94
non-zero return status. */
95
96
static int
97
captured_command_loop (void *data)
98
{
99
current_interp_command_loop ();
100
/* FIXME: cagney/1999-11-05: A correct command_loop() implementaton
101
would clean things up (restoring the cleanup chain) to the state
102
they were just prior to the call. Technically, this means that
103
the do_cleanups() below is redundant. Unfortunately, many FUNCs
104
are not that well behaved. do_cleanups should either be replaced
105
with a do_cleanups call (to cover the problem) or an assertion
106
check to detect bad FUNCs code. */
107
do_cleanups (ALL_CLEANUPS);
108
/* If the command_loop returned, normally (rather than threw an
109
error) we try to quit. If the quit is aborted, catch_errors()
110
which called this catch the signal and restart the command
111
loop. */
112
quit_command (NULL, instream == stdin);
113
return 1;
114
}
115
116
static int
117
captured_main (void *data)
118
{
119
struct captured_main_args *context = data;
120
int argc = context->argc;
121
char **argv = context->argv;
122
int count;
123
static int quiet = 0;
124
static int batch = 0;
125
static int set_args = 0;
126
127
/* Pointers to various arguments from command line. */
128
char *symarg = NULL;
129
char *execarg = NULL;
130
char *corearg = NULL;
131
char *cdarg = NULL;
132
char *ttyarg = NULL;
133
134
/* These are static so that we can take their address in an initializer. */
135
static int print_help;
136
static int print_version;
137
138
/* Pointers to all arguments of --command option. */
139
char **cmdarg;
140
/* Allocated size of cmdarg. */
141
int cmdsize;
142
/* Number of elements of cmdarg used. */
143
int ncmd;
144
145
/* Indices of all arguments of --directory option. */
146
char **dirarg;
147
/* Allocated size. */
148
int dirsize;
149
/* Number of elements used. */
150
int ndir;
151
152
struct stat homebuf, cwdbuf;
153
char *homedir, *homeinit;
154
155
int i;
156
157
long time_at_startup = get_run_time ();
158
159
#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
160
setlocale (LC_MESSAGES, "");
161
#endif
162
#if defined (HAVE_SETLOCALE)
163
setlocale (LC_CTYPE, "");
164
#endif
165
bindtextdomain (PACKAGE, LOCALEDIR);
166
textdomain (PACKAGE);
167
168
/* This needs to happen before the first use of malloc. */
169
init_malloc (NULL);
170
171
#ifdef HAVE_SBRK
172
lim_at_start = (char *) sbrk (0);
173
#endif
174
175
#if defined (ALIGN_STACK_ON_STARTUP)
176
i = (int) &count & 0x3;
177
if (i != 0)
178
alloca (4 - i);
179
#endif
180
181
cmdsize = 1;
182
cmdarg = (char **) xmalloc (cmdsize * sizeof (*cmdarg));
183
ncmd = 0;
184
dirsize = 1;
185
dirarg = (char **) xmalloc (dirsize * sizeof (*dirarg));
186
ndir = 0;
187
188
quit_flag = 0;
189
line = (char *) xmalloc (linesize);
190
line[0] = '\0'; /* Terminate saved (now empty) cmd line */
191
instream = stdin;
192
193
getcwd (gdb_dirbuf, sizeof (gdb_dirbuf));
194
current_directory = gdb_dirbuf;
195
196
gdb_stdout = stdio_fileopen (stdout);
197
gdb_stderr = stdio_fileopen (stderr);
198
gdb_stdlog = gdb_stderr; /* for moment */
199
gdb_stdtarg = gdb_stderr; /* for moment */
200
gdb_stdin = stdio_fileopen (stdin);
201
gdb_stdtargerr = gdb_stderr; /* for moment */
202
gdb_stdtargin = gdb_stdin; /* for moment */
203
204
/* initialize error() */
205
error_init ();
206
207
/* Set the sysroot path. */
208
#ifdef TARGET_SYSTEM_ROOT_RELOCATABLE
209
gdb_sysroot = make_relative_prefix (argv[0], BINDIR, TARGET_SYSTEM_ROOT);
210
if (gdb_sysroot)
211
{
212
struct stat s;
213
int res = 0;
214
215
if (stat (gdb_sysroot, &s) == 0)
216
if (S_ISDIR (s.st_mode))
217
res = 1;
218
219
if (res == 0)
220
{
221
xfree (gdb_sysroot);
222
gdb_sysroot = TARGET_SYSTEM_ROOT;
223
}
224
}
225
else
226
gdb_sysroot = TARGET_SYSTEM_ROOT;
227
#else
228
#if defined (TARGET_SYSTEM_ROOT)
229
gdb_sysroot = TARGET_SYSTEM_ROOT;
230
#else
231
gdb_sysroot = "";
232
#endif
233
#endif
234
235
/* There will always be an interpreter. Either the one passed into
236
this captured main, or one specified by the user at start up, or
237
the console. Initialize the interpreter to the one requested by
238
the application. */
239
interpreter_p = xstrdup (context->interpreter_p);
240
241
/* Parse arguments and options. */
242
{
243
int c;
244
/* When var field is 0, use flag field to record the equivalent
245
short option (or arbitrary numbers starting at 10 for those
246
with no equivalent). */
247
enum {
248
OPT_SE = 10,
249
OPT_CD,
250
OPT_ANNOTATE,
251
OPT_STATISTICS,
252
OPT_TUI,
253
OPT_NOWINDOWS,
254
OPT_WINDOWS
255
};
256
static struct option long_options[] =
257
{
258
{"async", no_argument, &event_loop_p, 1},
259
{"noasync", no_argument, &event_loop_p, 0},
260
#if defined(TUI)
261
{"tui", no_argument, 0, OPT_TUI},
262
#endif
263
{"xdb", no_argument, &xdb_commands, 1},
264
{"dbx", no_argument, &dbx_commands, 1},
265
{"readnow", no_argument, &readnow_symbol_files, 1},
266
{"r", no_argument, &readnow_symbol_files, 1},
267
{"quiet", no_argument, &quiet, 1},
268
{"q", no_argument, &quiet, 1},
269
{"silent", no_argument, &quiet, 1},
270
{"nx", no_argument, &inhibit_gdbinit, 1},
271
{"n", no_argument, &inhibit_gdbinit, 1},
272
{"batch", no_argument, &batch, 1},
273
{"epoch", no_argument, &epoch_interface, 1},
274
275
/* This is a synonym for "--annotate=1". --annotate is now preferred,
276
but keep this here for a long time because people will be running
277
emacses which use --fullname. */
278
{"fullname", no_argument, 0, 'f'},
279
{"f", no_argument, 0, 'f'},
280
281
{"annotate", required_argument, 0, OPT_ANNOTATE},
282
{"help", no_argument, &print_help, 1},
283
{"se", required_argument, 0, OPT_SE},
284
{"symbols", required_argument, 0, 's'},
285
{"s", required_argument, 0, 's'},
286
{"exec", required_argument, 0, 'e'},
287
{"e", required_argument, 0, 'e'},
288
{"core", required_argument, 0, 'c'},
289
{"c", required_argument, 0, 'c'},
290
{"pid", required_argument, 0, 'p'},
291
{"p", required_argument, 0, 'p'},
292
{"command", required_argument, 0, 'x'},
293
{"version", no_argument, &print_version, 1},
294
{"x", required_argument, 0, 'x'},
295
#ifdef GDBTK
296
{"tclcommand", required_argument, 0, 'z'},
297
{"enable-external-editor", no_argument, 0, 'y'},
298
{"editor-command", required_argument, 0, 'w'},
299
#endif
300
{"ui", required_argument, 0, 'i'},
301
{"interpreter", required_argument, 0, 'i'},
302
{"i", required_argument, 0, 'i'},
303
{"directory", required_argument, 0, 'd'},
304
{"d", required_argument, 0, 'd'},
305
{"cd", required_argument, 0, OPT_CD},
306
{"tty", required_argument, 0, 't'},
307
{"baud", required_argument, 0, 'b'},
308
{"b", required_argument, 0, 'b'},
309
{"nw", no_argument, NULL, OPT_NOWINDOWS},
310
{"nowindows", no_argument, NULL, OPT_NOWINDOWS},
311
{"w", no_argument, NULL, OPT_WINDOWS},
312
{"windows", no_argument, NULL, OPT_WINDOWS},
313
{"statistics", no_argument, 0, OPT_STATISTICS},
314
{"write", no_argument, &write_files, 1},
315
{"args", no_argument, &set_args, 1},
316
{0, no_argument, 0, 0}
317
};
318
319
while (1)
320
{
321
int option_index;
322
323
c = getopt_long_only (argc, argv, "",
324
long_options, &option_index);
325
if (c == EOF || set_args)
326
break;
327
328
/* Long option that takes an argument. */
329
if (c == 0 && long_options[option_index].flag == 0)
330
c = long_options[option_index].val;
331
332
switch (c)
333
{
334
case 0:
335
/* Long option that just sets a flag. */
336
break;
337
case OPT_SE:
338
symarg = optarg;
339
execarg = optarg;
340
break;
341
case OPT_CD:
342
cdarg = optarg;
343
break;
344
case OPT_ANNOTATE:
345
/* FIXME: what if the syntax is wrong (e.g. not digits)? */
346
annotation_level = atoi (optarg);
347
break;
348
case OPT_STATISTICS:
349
/* Enable the display of both time and space usage. */
350
display_time = 1;
351
display_space = 1;
352
break;
353
case OPT_TUI:
354
/* --tui is equivalent to -i=tui. */
355
xfree (interpreter_p);
356
interpreter_p = xstrdup ("tui");
357
break;
358
case OPT_WINDOWS:
359
/* FIXME: cagney/2003-03-01: Not sure if this option is
360
actually useful, and if it is, what it should do. */
361
use_windows = 1;
362
break;
363
case OPT_NOWINDOWS:
364
/* -nw is equivalent to -i=console. */
365
xfree (interpreter_p);
366
interpreter_p = xstrdup (INTERP_CONSOLE);
367
use_windows = 0;
368
break;
369
case 'f':
370
annotation_level = 1;
371
/* We have probably been invoked from emacs. Disable window interface. */
372
use_windows = 0;
373
break;
374
case 's':
375
symarg = optarg;
376
break;
377
case 'e':
378
execarg = optarg;
379
break;
380
case 'c':
381
corearg = optarg;
382
break;
383
case 'p':
384
/* "corearg" is shared by "--core" and "--pid" */
385
corearg = optarg;
386
break;
387
case 'x':
388
cmdarg[ncmd++] = optarg;
389
if (ncmd >= cmdsize)
390
{
391
cmdsize *= 2;
392
cmdarg = (char **) xrealloc ((char *) cmdarg,
393
cmdsize * sizeof (*cmdarg));
394
}
395
break;
396
#ifdef GDBTK
397
case 'z':
398
{
399
extern int gdbtk_test (char *);
400
if (!gdbtk_test (optarg))
401
{
402
fprintf_unfiltered (gdb_stderr, _("%s: unable to load tclcommand file \"%s\""),
403
argv[0], optarg);
404
exit (1);
405
}
406
break;
407
}
408
case 'y':
409
/* Backwards compatibility only. */
410
break;
411
case 'w':
412
{
413
external_editor_command = xstrdup (optarg);
414
break;
415
}
416
#endif /* GDBTK */
417
case 'i':
418
xfree (interpreter_p);
419
interpreter_p = xstrdup (optarg);
420
break;
421
case 'd':
422
dirarg[ndir++] = optarg;
423
if (ndir >= dirsize)
424
{
425
dirsize *= 2;
426
dirarg = (char **) xrealloc ((char *) dirarg,
427
dirsize * sizeof (*dirarg));
428
}
429
break;
430
case 't':
431
ttyarg = optarg;
432
break;
433
case 'q':
434
quiet = 1;
435
break;
436
case 'b':
437
{
438
int i;
439
char *p;
440
441
i = strtol (optarg, &p, 0);
442
if (i == 0 && p == optarg)
443
444
/* Don't use *_filtered or warning() (which relies on
445
current_target) until after initialize_all_files(). */
446
447
fprintf_unfiltered
448
(gdb_stderr,
449
_("warning: could not set baud rate to `%s'.\n"), optarg);
450
else
451
baud_rate = i;
452
}
453
break;
454
case 'l':
455
{
456
int i;
457
char *p;
458
459
i = strtol (optarg, &p, 0);
460
if (i == 0 && p == optarg)
461
462
/* Don't use *_filtered or warning() (which relies on
463
current_target) until after initialize_all_files(). */
464
465
fprintf_unfiltered
466
(gdb_stderr,
467
_("warning: could not set timeout limit to `%s'.\n"), optarg);
468
else
469
remote_timeout = i;
470
}
471
break;
472
473
case '?':
474
fprintf_unfiltered (gdb_stderr,
475
_("Use `%s --help' for a complete list of options.\n"),
476
argv[0]);
477
exit (1);
478
}
479
}
480
481
/* If --help or --version, disable window interface. */
482
if (print_help || print_version)
483
{
484
use_windows = 0;
485
}
486
487
if (set_args)
488
{
489
/* The remaining options are the command-line options for the
490
inferior. The first one is the sym/exec file, and the rest
491
are arguments. */
492
if (optind >= argc)
493
{
494
fprintf_unfiltered (gdb_stderr,
495
_("%s: `--args' specified but no program specified\n"),
496
argv[0]);
497
exit (1);
498
}
499
symarg = argv[optind];
500
execarg = argv[optind];
501
++optind;
502
set_inferior_args_vector (argc - optind, &argv[optind]);
503
}
504
else
505
{
506
/* OK, that's all the options. The other arguments are filenames. */
507
count = 0;
508
for (; optind < argc; optind++)
509
switch (++count)
510
{
511
case 1:
512
symarg = argv[optind];
513
execarg = argv[optind];
514
break;
515
case 2:
516
/* The documentation says this can be a "ProcID" as well.
517
We will try it as both a corefile and a pid. */
518
corearg = argv[optind];
519
break;
520
case 3:
521
fprintf_unfiltered (gdb_stderr,
522
_("Excess command line arguments ignored. (%s%s)\n"),
523
argv[optind], (optind == argc - 1) ? "" : " ...");
524
break;
525
}
526
}
527
if (batch)
528
quiet = 1;
529
}
530
531
/* Initialize all files. Give the interpreter a chance to take
532
control of the console via the init_ui_hook()) */
533
gdb_init (argv[0]);
534
535
/* Do these (and anything which might call wrap_here or *_filtered)
536
after initialize_all_files() but before the interpreter has been
537
installed. Otherwize the help/version messages will be eaten by
538
the interpreter's output handler. */
539
540
if (print_version)
541
{
542
print_gdb_version (gdb_stdout);
543
wrap_here ("");
544
printf_filtered ("\n");
545
exit (0);
546
}
547
548
if (print_help)
549
{
550
print_gdb_help (gdb_stdout);
551
fputs_unfiltered ("\n", gdb_stdout);
552
exit (0);
553
}
554
555
/* FIXME: cagney/2003-02-03: The big hack (part 1 of 2) that lets
556
GDB retain the old MI1 interpreter startup behavior. Output the
557
copyright message before the interpreter is installed. That way
558
it isn't encapsulated in MI output. */
559
if (!quiet && strcmp (interpreter_p, INTERP_MI1) == 0)
560
{
561
/* Print all the junk at the top, with trailing "..." if we are about
562
to read a symbol file (possibly slowly). */
563
print_gdb_version (gdb_stdout);
564
if (symarg)
565
printf_filtered ("..");
566
wrap_here ("");
567
gdb_flush (gdb_stdout); /* Force to screen during slow operations */
568
}
569
570
571
/* Install the default UI. All the interpreters should have had a
572
look at things by now. Initialize the default interpreter. */
573
574
{
575
/* Find it. */
576
struct interp *interp = interp_lookup (interpreter_p);
577
if (interp == NULL)
578
error ("Interpreter `%s' unrecognized", interpreter_p);
579
/* Install it. */
580
if (!interp_set (interp))
581
{
582
fprintf_unfiltered (gdb_stderr,
583
"Interpreter `%s' failed to initialize.\n",
584
interpreter_p);
585
exit (1);
586
}
587
}
588
#ifdef CRASH_MERGE
589
{
590
extern void update_gdb_hooks(void);
591
update_gdb_hooks();
592
}
593
#endif
594
595
/* FIXME: cagney/2003-02-03: The big hack (part 2 of 2) that lets
596
GDB retain the old MI1 interpreter startup behavior. Output the
597
copyright message after the interpreter is installed when it is
598
any sane interpreter. */
599
if (!quiet && !current_interp_named_p (INTERP_MI1))
600
{
601
/* Print all the junk at the top, with trailing "..." if we are about
602
to read a symbol file (possibly slowly). */
603
print_gdb_version (gdb_stdout);
604
if (symarg)
605
printf_filtered ("..");
606
wrap_here ("");
607
gdb_flush (gdb_stdout); /* Force to screen during slow operations */
608
}
609
610
error_pre_print = "\n\n";
611
quit_pre_print = error_pre_print;
612
613
/* We may get more than one warning, don't double space all of them... */
614
warning_pre_print = _("\nwarning: ");
615
616
/* Read and execute $HOME/.gdbinit file, if it exists. This is done
617
*before* all the command line arguments are processed; it sets
618
global parameters, which are independent of what file you are
619
debugging or what directory you are in. */
620
homedir = getenv ("HOME");
621
if (homedir)
622
{
623
homeinit = (char *) alloca (strlen (homedir) +
624
strlen (gdbinit) + 10);
625
strcpy (homeinit, homedir);
626
strcat (homeinit, "/");
627
strcat (homeinit, gdbinit);
628
629
if (!inhibit_gdbinit)
630
{
631
catch_command_errors (source_command, homeinit, 0, RETURN_MASK_ALL);
632
}
633
634
/* Do stats; no need to do them elsewhere since we'll only
635
need them if homedir is set. Make sure that they are
636
zero in case one of them fails (this guarantees that they
637
won't match if either exists). */
638
639
memset (&homebuf, 0, sizeof (struct stat));
640
memset (&cwdbuf, 0, sizeof (struct stat));
641
642
stat (homeinit, &homebuf);
643
stat (gdbinit, &cwdbuf); /* We'll only need this if
644
homedir was set. */
645
}
646
647
/* Now perform all the actions indicated by the arguments. */
648
if (cdarg != NULL)
649
{
650
catch_command_errors (cd_command, cdarg, 0, RETURN_MASK_ALL);
651
}
652
653
for (i = 0; i < ndir; i++)
654
catch_command_errors (directory_command, dirarg[i], 0, RETURN_MASK_ALL);
655
xfree (dirarg);
656
657
if (execarg != NULL
658
&& symarg != NULL
659
&& strcmp (execarg, symarg) == 0)
660
{
661
/* The exec file and the symbol-file are the same. If we can't
662
open it, better only print one error message.
663
catch_command_errors returns non-zero on success! */
664
if (catch_command_errors (exec_file_attach, execarg, !batch, RETURN_MASK_ALL))
665
catch_command_errors (symbol_file_add_main, symarg, 0, RETURN_MASK_ALL);
666
}
667
else
668
{
669
if (execarg != NULL)
670
catch_command_errors (exec_file_attach, execarg, !batch, RETURN_MASK_ALL);
671
if (symarg != NULL)
672
catch_command_errors (symbol_file_add_main, symarg, 0, RETURN_MASK_ALL);
673
}
674
675
/* After the symbol file has been read, print a newline to get us
676
beyond the copyright line... But errors should still set off
677
the error message with a (single) blank line. */
678
if (!quiet)
679
printf_filtered ("\n");
680
error_pre_print = "\n";
681
quit_pre_print = error_pre_print;
682
warning_pre_print = _("\nwarning: ");
683
684
if (corearg != NULL)
685
{
686
/* corearg may be either a corefile or a pid.
687
If its first character is a digit, try attach first
688
and then corefile. Otherwise try corefile first. */
689
690
if (isdigit (corearg[0]))
691
{
692
if (catch_command_errors (attach_command, corearg,
693
!batch, RETURN_MASK_ALL) == 0)
694
catch_command_errors (core_file_command, corearg,
695
!batch, RETURN_MASK_ALL);
696
}
697
else /* Can't be a pid, better be a corefile. */
698
catch_command_errors (core_file_command, corearg,
699
!batch, RETURN_MASK_ALL);
700
}
701
702
if (ttyarg != NULL)
703
catch_command_errors (tty_command, ttyarg, !batch, RETURN_MASK_ALL);
704
705
/* Error messages should no longer be distinguished with extra output. */
706
error_pre_print = NULL;
707
quit_pre_print = NULL;
708
warning_pre_print = _("warning: ");
709
710
/* Read the .gdbinit file in the current directory, *if* it isn't
711
the same as the $HOME/.gdbinit file (it should exist, also). */
712
713
if (!homedir
714
|| memcmp ((char *) &homebuf, (char *) &cwdbuf, sizeof (struct stat)))
715
if (!inhibit_gdbinit)
716
{
717
catch_command_errors (source_command, gdbinit, 0, RETURN_MASK_ALL);
718
}
719
720
for (i = 0; i < ncmd; i++)
721
{
722
#if 0
723
/* NOTE: cagney/1999-11-03: SET_TOP_LEVEL() was a macro that
724
expanded into a call to setjmp(). */
725
if (!SET_TOP_LEVEL ()) /* NB: This is #if 0'd out */
726
{
727
/* NOTE: I am commenting this out, because it is not clear
728
where this feature is used. It is very old and
729
undocumented. ezannoni: 1999-05-04 */
730
#if 0
731
if (cmdarg[i][0] == '-' && cmdarg[i][1] == '\0')
732
read_command_file (stdin);
733
else
734
#endif
735
source_command (cmdarg[i], !batch);
736
do_cleanups (ALL_CLEANUPS);
737
}
738
#endif
739
catch_command_errors (source_command, cmdarg[i], !batch, RETURN_MASK_ALL);
740
}
741
xfree (cmdarg);
742
743
/* Read in the old history after all the command files have been read. */
744
init_history ();
745
746
if (batch)
747
{
748
/* We have hit the end of the batch file. */
749
exit (0);
750
}
751
752
/* Do any host- or target-specific hacks. This is used for i960 targets
753
to force the user to set a nindy target and spec its parameters. */
754
755
#ifdef BEFORE_MAIN_LOOP_HOOK
756
BEFORE_MAIN_LOOP_HOOK;
757
#endif
758
759
/* Show time and/or space usage. */
760
761
if (display_time)
762
{
763
long init_time = get_run_time () - time_at_startup;
764
765
printf_unfiltered (_("Startup time: %ld.%06ld\n"),
766
init_time / 1000000, init_time % 1000000);
767
}
768
769
if (display_space)
770
{
771
#ifdef HAVE_SBRK
772
extern char **environ;
773
char *lim = (char *) sbrk (0);
774
775
printf_unfiltered (_("Startup size: data size %ld\n"),
776
(long) (lim - (char *) &environ));
777
#endif
778
}
779
780
#if 0
781
/* FIXME: cagney/1999-11-06: The original main loop was like: */
782
while (1)
783
{
784
if (!SET_TOP_LEVEL ())
785
{
786
do_cleanups (ALL_CLEANUPS); /* Do complete cleanup */
787
/* GUIs generally have their own command loop, mainloop, or whatever.
788
This is a good place to gain control because many error
789
conditions will end up here via longjmp(). */
790
if (command_loop_hook)
791
command_loop_hook ();
792
else
793
command_loop ();
794
quit_command ((char *) 0, instream == stdin);
795
}
796
}
797
/* NOTE: If the command_loop() returned normally, the loop would
798
attempt to exit by calling the function quit_command(). That
799
function would either call exit() or throw an error returning
800
control to SET_TOP_LEVEL. */
801
/* NOTE: The function do_cleanups() was called once each time round
802
the loop. The usefulness of the call isn't clear. If an error
803
was thrown, everything would have already been cleaned up. If
804
command_loop() returned normally and quit_command() was called,
805
either exit() or error() (again cleaning up) would be called. */
806
#endif
807
/* NOTE: cagney/1999-11-07: There is probably no reason for not
808
moving this loop and the code found in captured_command_loop()
809
into the command_loop() proper. The main thing holding back that
810
change - SET_TOP_LEVEL() - has been eliminated. */
811
while (1)
812
{
813
catch_errors (captured_command_loop, 0, "", RETURN_MASK_ALL);
814
#ifdef CRASH_MERGE
815
{
816
int console(char *, ...);
817
console("<CAPTURED_MAIN WHILE LOOP>\n");
818
}
819
#endif
820
}
821
/* No exit -- exit is through quit_command. */
822
}
823
824
int
825
gdb_main (struct captured_main_args *args)
826
{
827
use_windows = args->use_windows;
828
#ifdef CRASH_MERGE
829
event_loop_p = 0;
830
#endif
831
catch_errors (captured_main, args, "", RETURN_MASK_ALL);
832
/* The only way to end up here is by an error (normal exit is
833
handled by quit_force()), hence always return an error status. */
834
return 1;
835
}
836
837
#ifdef CRASH_MERGE
838
/*
839
* NOTE: adapted from gdb.c, which is no longer built in; changed name of
840
* original main() to gdb_main_entry() for use as crash entry point
841
*/
842
int
843
gdb_main_entry (int argc, char **argv)
844
{
845
struct captured_main_args args;
846
memset (&args, 0, sizeof args);
847
args.argc = argc;
848
args.argv = argv;
849
args.use_windows = 0;
850
args.interpreter_p = INTERP_CONSOLE;
851
return gdb_main (&args);
852
}
853
#endif
854
855
/* Don't use *_filtered for printing help. We don't want to prompt
856
for continue no matter how small the screen or how much we're going
857
to print. */
858
859
static void
860
print_gdb_help (struct ui_file *stream)
861
{
862
fputs_unfiltered (_("\
863
This is the GNU debugger. Usage:\n\n\
864
gdb [options] [executable-file [core-file or process-id]]\n\
865
gdb [options] --args executable-file [inferior-arguments ...]\n\n\
866
Options:\n\n\
867
"), stream);
868
fputs_unfiltered (_("\
869
--args Arguments after executable-file are passed to inferior\n\
870
"), stream);
871
fputs_unfiltered (_("\
872
--[no]async Enable (disable) asynchronous version of CLI\n\
873
"), stream);
874
fputs_unfiltered (_("\
875
-b BAUDRATE Set serial port baud rate used for remote debugging.\n\
876
--batch Exit after processing options.\n\
877
--cd=DIR Change current directory to DIR.\n\
878
--command=FILE Execute GDB commands from FILE.\n\
879
--core=COREFILE Analyze the core dump COREFILE.\n\
880
--pid=PID Attach to running process PID.\n\
881
"), stream);
882
fputs_unfiltered (_("\
883
--dbx DBX compatibility mode.\n\
884
--directory=DIR Search for source files in DIR.\n\
885
--epoch Output information used by epoch emacs-GDB interface.\n\
886
--exec=EXECFILE Use EXECFILE as the executable.\n\
887
--fullname Output information used by emacs-GDB interface.\n\
888
--help Print this message.\n\
889
"), stream);
890
fputs_unfiltered (_("\
891
--interpreter=INTERP\n\
892
Select a specific interpreter / user interface\n\
893
"), stream);
894
fputs_unfiltered (_("\
895
--mapped Use mapped symbol files if supported on this system.\n\
896
--nw Do not use a window interface.\n\
897
--nx Do not read "), stream);
898
fputs_unfiltered (gdbinit, stream);
899
fputs_unfiltered (_(" file.\n\
900
--quiet Do not print version number on startup.\n\
901
--readnow Fully read symbol files on first access.\n\
902
"), stream);
903
fputs_unfiltered (_("\
904
--se=FILE Use FILE as symbol file and executable file.\n\
905
--symbols=SYMFILE Read symbols from SYMFILE.\n\
906
--tty=TTY Use TTY for input/output by the program being debugged.\n\
907
"), stream);
908
#if defined(TUI)
909
fputs_unfiltered (_("\
910
--tui Use a terminal user interface.\n\
911
"), stream);
912
#endif
913
fputs_unfiltered (_("\
914
--version Print version information and then exit.\n\
915
-w Use a window interface.\n\
916
--write Set writing into executable and core files.\n\
917
--xdb XDB compatibility mode.\n\
918
"), stream);
919
fputs_unfiltered (_("\n\
920
For more information, type \"help\" from within GDB, or consult the\n\
921
GDB manual (available as on-line info or a printed manual).\n\
922
Report bugs to \"bug-gdb@gnu.org\".\
923
"), stream);
924
}
Loggerhead is a web-based interface for Breezy
Version: 2.0.1