Author: adrian
Date: Tue Feb 19 02:09:18 2013
New Revision: 246958
URL: http://svnweb.freebsd.org/changeset/base/246958
Log:
kgdb enhancements!
* document the kgdb -b flag
* better verify what's valid with -b
* add more comprehensive command line help
PR: kern/175743
Submitted by: Christoph Mallon <christoph.mal...@gmx.de>
Modified:
head/gnu/usr.bin/gdb/kgdb/kgdb.1
head/gnu/usr.bin/gdb/kgdb/main.c
Modified: head/gnu/usr.bin/gdb/kgdb/kgdb.1
==============================================================================
--- head/gnu/usr.bin/gdb/kgdb/kgdb.1 Tue Feb 19 02:07:36 2013
(r246957)
+++ head/gnu/usr.bin/gdb/kgdb/kgdb.1 Tue Feb 19 02:09:18 2013
(r246958)
@@ -33,6 +33,7 @@
.Sh SYNOPSIS
.Nm
.Op Fl a | Fl f | Fl fullname
+.Op Fl b Ar rate
.Op Fl q | Fl quiet
.Op Fl v
.Op Fl w
@@ -62,6 +63,9 @@ The
or
.Fl fullname
options are supported for backward compatibility as well.
+.It Fl b Ar rate
+Set the baudrate to
+.Ar rate .
.It Fl q
Suppress printing of the banner when the debugger starts.
The
Modified: head/gnu/usr.bin/gdb/kgdb/main.c
==============================================================================
--- head/gnu/usr.bin/gdb/kgdb/main.c Tue Feb 19 02:07:36 2013
(r246957)
+++ head/gnu/usr.bin/gdb/kgdb/main.c Tue Feb 19 02:09:18 2013
(r246958)
@@ -83,7 +83,7 @@ usage(void)
{
fprintf(stderr,
- "usage: %s [-afqvw] [-d crashdir] [-c core | -n dumpnr | -r
device]\n"
+ "usage: %s [-afqvw] [-b rate] [-d crashdir] [-c core | -n dumpnr |
-r device]\n"
"\t[kernel [core]]\n", getprogname());
exit(1);
}
@@ -338,19 +338,18 @@ main(int argc, char *argv[])
case 'a':
annotation_level++;
break;
- case 'b':
- {
- int i;
- char *p;
+ case 'b': {
+ int i;
+ char *p;
- i = strtol (optarg, &p, 0);
- if (i == 0 && p == optarg)
+ i = strtol(optarg, &p, 0);
+ if (*p != '\0' || p == optarg)
warnx("warning: could not set baud rate to
`%s'.\n",
optarg);
- else
- baud_rate = i;
- }
+ else
+ baud_rate = i;
break;
+ }
case 'c': /* use given core file. */
if (vmcore != NULL) {
warnx("option %c: can only be specified once",
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